Elevator acceptance standard

The implementation standards for elevator acceptance mainly include:

GB/T 10060- 1993 elevator installation acceptance specification GB/T 10058- 1997 elevator technical conditions GB/T 10059- 1997 elevator TSG T77.

The main contents of elevator acceptance are:

3.0. 1 The quality management of the installation unit's construction site shall meet the following requirements:

1 There are perfect acceptance standards, installation techniques and construction operation procedures.

2. Perfect installation process control system.

Description:

3.0. 1 This article specifies the contents that should be included in the construction site quality management of elevator installation units.

1 installation process refers to the technical documents that guide the installation personnel to complete the work on the construction site. The installation process can also be called an installation manual or installation instructions.

The process control system of installation engineering refers to the acceptance procedure between upper and lower working procedures formulated by the elevator installation unit to realize process control.

3.0.2 The construction quality control of elevator installation project shall meet the following requirements:

1 Before elevator installation, civil handover inspection shall be carried out according to this specification and recorded in Appendix A, Table A. ..

Before elevator installation, the elevator equipment shall be inspected and accepted according to this specification, which can be recorded according to Appendix B, Table B. ..

3 The quality control of each subdivisional work of elevator installation should be carried out according to enterprise standards, and each subdivisional work should have self-inspection records.

3.0.3 The quality acceptance of elevator installation project shall meet the following requirements:

1 The personnel involved in installation construction and quality acceptance shall have corresponding qualifications.

Units undertaking safety performance testing must have corresponding qualifications. Instruments and equipment shall meet the accuracy requirements and be within the validity period of verification.

3 The quality acceptance of sub-projects shall be carried out on the basis that the elevator installation unit has passed the self-inspection.

4 The quality of subdivisional work shall be inspected and accepted separately according to the main control items and general items.

5 Concealed works shall be inspected and accepted by the elevator installation unit, and relevant units shall be notified for inspection and acceptance before concealment, and acceptance documents shall be formed.

Description:

3.0.3 This article specifies the quality acceptance requirements for elevator installation works.

5 Relevant units refer to supervision units and construction units.

4. Quality acceptance of traction or forced elevator installation project driven by electricity

4. 1 Equipment mobilization acceptance

Equipment acceptance is one of the important links to ensure the quality of elevator installation. Comprehensive and accurate entrance acceptance can find and solve problems in time, lay a good foundation for the upcoming elevator installation project, and is also a necessary means to embody process control.

Leading project

4. 1. 1 The random file must include the following information:

1 civil layout;

2. Product factory certificate;

Copy of type test certificate of door lock device, speed limiter, safety clamp and buffer.

Description:

4. 1. 1

Because the door lock device, speed limiter, safety clamp and buffer are the components to ensure the safety of the elevator, a copy of the type test certificate issued by the designated department of the state must be provided during the equipment entry stage.

General project

4. 1.2 The attached documents shall also include the following information:

1 packing list;

2 installation, use and maintenance instructions;

Electrical schematic diagram of power supply circuit and safety circuit.

Description:

4. 1.2

Electrical schematic diagram is a necessary document for installation, wiring, debugging and maintenance of electrical equipment after delivery.

4.1.1-4.1.2 The accompanying document is the document handed over by the elevator product supplier to the construction unit and installation unit. These documents should be aimed at the installed elevator products and should be able to guide elevator installers to install smoothly and accurately, which is the key to ensure the quality of elevator installation projects.

4. 1.3 Equipment spare parts shall conform to the contents of the packing list.

4. 1.4 The appearance of the equipment should not be obviously damaged.

Description:

4. 1.4 This article stipulates that the elevator equipment shall be visually inspected when entering the site. Damage refers to obvious defects such as bump, fracture, permanent deformation and surface coating falling off caused by man-made or accidents.

4.2 Civil handover inspection

Leading project

4.2. 1 machine room (if any), civil (steel frame) structure and shaft layout must meet the requirements of elevator civil layout.

4.2.2 The main power switch must meet the following requirements:

1 The main power switch should be able to cut off the maximum current under normal use of the elevator;

2 For elevators with machine room, the switch should be accessible from the entrance of the machine room;

For elevators without machine room, the switch should be set in a place convenient for workers outside the shaft, and necessary safety protection should be provided.

4.2.3 The shaft must meet the following requirements:

1 When there is a space under the pit where people can reach, and there is no safety clamp device on the counterweight (or counterweight), a counterweight buffer must be installed on the solid pier extending to the solid ground (or the lower side of the counterweight operation area must be installed);

2 Before elevator installation, all reserved holes of landing doors must be provided with safety protection lining with a height not lower than 1.2m, and ensure sufficient strength;

3 When the distance between the thresholds of two adjacent floors is greater than 1 1m, a shaft safety door must be set, and it is forbidden to drive into the shaft, and an electrical safety device that can only operate when the safety door is closed must be installed. When there is a car safety door between adjacent cars for mutual assistance, the provisions of this paragraph may not be implemented.

General project

4.2.4 The computer room (if any) shall also meet the following requirements:

1 The machine room shall be provided with fixed electrical lighting, and the ground illumination shall not be less than 200lx. One or more power sockets shall be set in the computer room. Switches or similar devices should be installed at an appropriate height near the entrance of the machine room to control the lighting power supply of the machine room.

The computer room should be ventilated, and the dirty air inhaled from other parts of the building should not be discharged into the computer room.

According to the requirements of product suppliers, the access and handling space required for equipment to enter the site shall be provided.

Elevator workers should be able to enter the machine room or pulley room conveniently without the temporary assistance of other auxiliary facilities.

The machine room shall be made of durable and dustproof materials, and the floor in the machine room shall be made of non-slip materials.

Note: This project can be accepted after elevator installation.

6 In a computer room, when there are more than two working platforms with different planes, and the height difference between adjacent platforms is more than 0.5m, stairs or steps should be set up, and safety protective railings with a height of not less than 0.9m should be set up. When there is a pit on the ground of the computer room or a pit with a depth greater than 0.5m, it should be covered. People's activity space and the clear height above the workbench should not be less than1.8m.

7 The access trapdoor for personnel to enter and leave should have a clear passage of not less than 0.8m*0.8m, and should be able to keep itself open after the door is in place. After the check valve is closed, it should be able to support the weight of two people (each person should be calculated according to the force acting on any 0.2m*0.2m area of the door), and there should be no permanent deformation.

8 doors or access doors should be equipped with key locks, which should be opened from the computer room and not sold. Trapdoors used only for transportation equipment can only be locked in the computer room.

9 Power neutral wire and grounding wire should be separated. The grounding resistance of the grounding device in the machine room should not be greater than 4Ω.

10 computer room shall be well protected against seepage and water leakage.

4.2.5 The shaft shall also meet the following requirements:

1 Shaft size refers to the minimum clearance size of the shaft measured by the projection of the shaft section perpendicular to the elevator design operation direction, which shall meet the requirements of civil engineering layout, and the allowable deviation shall meet the following requirements:

1) 0-25mm when the elevator stroke height is less than or equal to 30m;

2) 0-35mm when the elevator stroke height is more than 30m and less than 60m;

3) 0-50 mm when the elevator stroke height is more than 60m and less than or equal to 90m;

4) When the elevator stroke height is greater than 90m, the allowable deviation shall meet the requirements of civil engineering layout.

2 Fully enclosed or partially enclosed hoistway, isolation protection of hoistway, hoistway wall, bottom surface and pit top plate should have sufficient strength to install elevator parts, and should be made of incombustible materials without generating dust.

3 When the pit depth is more than 2.5m and the building layout allows, the pit entrance meeting the requirements of the safety door shall be set; When there is no other access to the pit, a permanent device should be installed to enter the pit from the landing door, and the device should not extend into the elevator operation space.

4 The hoistway shall be dedicated to the elevator, and no equipment and cables irrelevant to the elevator shall be installed in the hoistway. Heating equipment can be installed in the shaft, but steam and water should not be used as heat sources, and the control and adjustment device of heating equipment should be installed outside the shaft.

Permanent electric lighting shall be set in the shaft, and the illumination in the shaft shall be not less than 50lx. Install lamps and lanterns within 0.5m of the highest point and lowest point of the shaft, and set intermediate lights, and set control switches in the machine room and the pit respectively.

6 In a hoistway equipped with multiple elevators, a guardrail should be set between the pits of the elevators, the lowest point of which is not more than 0.3m from the ground of the pit, and at least extends to a height of 2.5m above the ground of the lowest floor. The gap between the guardrail and the wall of the hoistway in the width direction of the guardrail should not be greater than 150mm.

When the horizontal distance between the top edge of the car and the moving parts (car, counterweight or counterweight) of the adjacent elevator is less than 0.5m, the guardrail shall extend to the height of the whole hoistway. The width of guardrail shall not be less than the width of protected moving parts (or parts thereof) plus 0. 1m on each side.

7 pit should do well in seepage prevention and water leakage prevention measures, and there can be no water in the pit.

8 Each floor shall be marked with a horizontal datum.

Description:

4.2. 1-4.2.5 is an important link to ensure the smooth progress and quality of elevator installation project.

4.3 Drive the host computer

Leading project

4.3. 1 The emergency operation device must work normally. The detachable device must be placed near the main engine in an accessible place, and the emergency assistance instructions must be posted in an easy-to-see place during emergency operation.

Description:

4.3. 1 Carry out the rescue work of emergency rescue operation correctly, safely and conveniently.

General project

4.3.2 When the load-bearing beam of the driving host needs to be embedded in the load-bearing wall, the length of the embedded end should exceed the wall thickness center by at least 20mm, and the supporting length should not be less than 75 mm ..

4.3.3 The braking action should be flexible, and the adjustment of braking clearance should meet the product design requirements.

4.3.4 The installation of the drive host, the base of the drive host and the bearing beam shall meet the product design requirements.

4.3.5 The oil quantity in the main drive engine reducer (if any) shall be within the range specified in the oil standard.

4.3.6 The clearance between the steel wire rope and the floor hole in the machine room should be 20-40mm, and the platform edge with a height of not less than 50mm should be set around the hole leading to the shaft.

4.4 guide rail

Leading project

4.4. 1 The installation position of guide rail must meet the requirements of civil engineering layout.

General project

4.4.2 The distance deviation between the top surfaces of two rows of guide rails shall be: car guide rail 0-2mm; 0- 3mm counterweight guide rail.

4.4.3 The installation of the guide bracket on the shaft wall shall be fixed and reliable. Embedded parts shall meet the requirements of civil construction layout. Anchor bolts (such as expansion bolts, etc.). ) should be fixed on the concrete member of the shaft wall, and its connection strength and ability to withstand vibration should meet the design requirements of elevator products, and the compressive strength of concrete members should meet the requirements of civil engineering layout.

Description:

4.4.3 According to the development of technology, the installation method of fixing the guide rail bracket with footing bolts (such as expansion bolts) has been added.

4.4.4 Every 5m, the deviation between the working surface (including the side surface and the top surface) of each column of guide rails and the installation reference line shall not be greater than the following values:

Car guide rail and counterweight guide rail with safety tongs are 0.6mm；; The counterweight (counterweight) guide rail without safety tongs is1.0mm..

4.4.5 There should be no continuous gap between the car guide rail and the counterweight (counterweight) guide rail with safety tongs, and the steps at the guide rail joint should not be greater than 0.05 mm ... If it exceeds, it should be leveled, and the leveling length should be greater than150 mm.

4.4.6 The clearance at the joint of counterweight (counterweight) guide rail without safety tongs should not be greater than 1.0mm, and the steps at the joint of guide rail working face should not be greater than 0.15 mm. ..

4.5 door system

Leading project

4.5. 1 The deviation between the horizontal distance of the threshold and the bottom of the car is 0- 3mm, and the maximum distance is forbidden to exceed 35 mm. ..

4.5.2 The forced door closing device of the landing door must operate normally.

4.5.3 After13 stroke, the force to prevent the electric horizontal sliding door from closing shall not exceed 150N.

4.5.4 The hook of the floor door lock must be flexible, and the minimum engagement length of the locking element is 7mm before the action of the locked electrical safety device is confirmed.

General project

4.5.5 The gap between the door knife and the landing door sill, the door lock roller and the car sill should not be less than 5mm. ..

Description:

4.5.5 The installer is required to correctly adjust the gap between the door knife and the sill, and the gap between the door lock roller and the sill. Avoid friction and collision when the elevator is running.

4.5.6 The levelness of the floor sill should not be greater than 2/ 1000, and the sill should be 2-5 mm higher than the decorative floor.

4.5.7 The indicator box, call box and fire switch box of the landing door should be installed correctly, and their panels should be pasted on the wall and upright.

4.5.8 The clearance between door leaf and door leaf, door leaf and door cover, door leaf and lintel, car wall between door leaf and door, lower end of door leaf and threshold shall be no more than 6mm for passenger elevator and 8mm for cargo elevator.

4.6 cars

Leading project

4.6. 1 When the glass car wall is used below 1. 1m from the car bottom, handrails must be installed at a height of 0.9- 1. 1m from the car bottom, and the handrails must be fixed independently and must not be associated with the glass.

General project

4.6.2 When the car has rope-preventing pulleys, the rope-preventing pulleys should have protective devices and rope blocking devices.

4.6.3 When the free distance from the outer edge of the car roof to the horizontal direction of the shaft wall is greater than 0.3m, the car should be provided with protective fences and warning signs.

Description:

4.6.3 Warning signs can adopt warning colors or warning slogans and signs.

4.7 Counterweight (Balance Weight)

General project

4.7. 1 When the counterweight (balance weight) is equipped with a rope pulley, the rope pulley should have a protection device and a rope stop device.

4.7.2 The counterweight (counterweight) block shall be reliably fixed.

4.8 security components

Leading project

4.8. 1 The action speed setting seal of the speed limiter must be intact, and there is no trace of disassembly.

Description:

4.8. 1 In order to prevent other personnel from adjusting the speed limiter to change the action speed, the safety clamp will fail or reach the action speed and cannot act.

4.8.2 When the safety clamp is adjustable, the seat seal shall be intact, with no traces of disassembly.

Description:

4.8.2 In order to prevent other personnel from adjusting the safety tongs, the safety tongs will lose their due functions.

General project

4.8.3 The relative positions of the speed limiter tensioner and its limit switch shall be installed correctly.

4.8.4 The clearance between safety tongs and guide rails shall meet the product design requirements.

4.8.5 When the car stands on the flat floor at both ends, the distance between the car, the counterweight buffer plate and the buffer top surface should meet the requirements of civil engineering layout. The deviation between the collision center of the car and the counterweight buffer and the buffer center should not be greater than 20 mm

4.8.6 Hydraulic buffer plunger sag should not be greater than 0.5%, and the liquid filling amount should be correct.

4.9 Suspension device, accompanying cable and compensation device

Leading project

4.9. 1 rope head combination must be safe and reliable, and each rope head combination must have a device to prevent the nut from loosening and falling off.

4.9.2 Dead bending of wire rope is strictly prohibited.

4.9.3 When the car is suspended on two wire ropes or chains, and one of the chains based on the wire rope is abnormally relatively elongated, the electrical safety switch installed for this purpose should operate reliably.

4.9.4 It is forbidden to knot or wave the accompanying cables.

General project

4.9.5 The deviation between the tension of each wire rope and the average value should not be greater than 5%.

4.9.6 The installation of accompanying cables shall meet the following requirements:

1 The end of the accompanying cable shall be fixed and reliable.

2 During operation, the attached cable should avoid interference with other parts in the shaft. When the car is completely pressed against the bumper, the accompanying cable must not touch the ground of the pit.

4.9.7 The ends of compensation devices such as compensation ropes, chains and cables shall be fixed and reliable.

4.9.8 For the compensation rope tensioner, confirm that the electrical safety switch for tensioning the compensation rope should be reliable. Tensioners shall be equipped with protective devices.

4. 10 electrical device

Leading project

4. 10. 1 The grounding of electrical equipment must meet the following requirements:

1 All electrical equipment and exposed conductive parts of conduits and trunking must be reliably grounded (PE);

Two grounding branch lines shall be directly connected to the grounding trunk terminal respectively, and shall not be connected to each other before grounding.

4. 10.2 insulation resistance between conductors and between conductors and ground must be greater than1000Ω/v, and its value shall not be less than:

1 power supply circuit and electrical safety device circuit: 0.5MΩ；;

2 Other circuits (control, lighting, signals, etc.). ):0.25MΩ。

General project

4. 10.3 The main power switch shall not cut off the following power circuits:

1 automobile lighting and ventilation;

2. Lighting between machine room and pulley;

Power sockets for machine room, car roof and pit;

4 well lighting;

5 alarm device.

4. 10.4 wiring shall be carried out in the machine room and shaft according to product requirements. Flexible wires and unsheathed cables should be used in conduits, trunking or equipment that can ensure the same protection. Sheathed cables and soft rubber cables can be used in mines or computer rooms, but not on the ground.

4. 10.5 The laying of conduits and trunking shall be neat and firm. The total area of wires in trunking shall not be greater than 60% of the net area of trunking; The total area of wires in the conduit should not be greater than 40% of the net area in the conduit; The fixed distance between hoses should not be greater than 1m, and the fixed distance between ends should not be greater than 0.1m.

4. 10.6 The grounding branch line shall adopt yellow-green insulated conductor.

4. 10.7 The installation position of the control cabinet (screen) shall meet the requirements of the civil layout of the elevator.

4. 1 1 Installation and acceptance of the whole machine

Leading project

4. 1 1. 1 Safety protection acceptance must meet the following requirements:

1 The following safety devices or functions must be checked:

1) open-phase and wrong-phase protection devices or functions.

When any one phase in the three-phase power supply of the control cabinet is disconnected or any two phases are wrong, the protection device or function of phase failure and phase error shall be able to prevent the elevator from dangerous failure.

Note: When the phase error does not affect the normal operation of the elevator, there may be no phase error protection device or function.

2) Short circuit and overload protection device

The power supply circuit, control circuit and safety circuit must have short-circuit protection devices matching the load; Power supply circuit must have overload protection device.

3) Speed limiter

The downward sign of the car (counterweight and counterweight) on the speed limiter must be consistent with the actual downward direction of the car (counterweight and counterweight). The rated speed and operating speed on the nameplate of the speed limiter must be consistent with the elevator being inspected.

4) Safety tongs

Safety tongs must conform to their type test certificates.

5) Buffer

Buffer must meet its type test certificate.

6) Door lock device

The door lock device must conform to its type test certificate.

7) Upper and lower limit switches

The upper limit switch and the lower limit switch must be safety contacts and operate normally during the action test of the terminal station position. Before the car or counterweight (if any) touches the bumper, it must act, and when the bumper is completely compressed, it will remain in the action state.

8) Car roof, engine room (if any), pulley room (if any) and entrance device.

Stop devices located at the top of the car, machine room (if any), pulley room (if any) and pit must operate normally.

2 The following safety switches must be reliable:

1) rope tension switch of speed limiter;

2) Reset switch of hydraulic buffer;

3) When there is a compensating tensioning wheel, compensate the tensioning switch;

4) When the rated speed is greater than m/s, compensate the rope pulley anti-jump switch;

5) Car safety window switch (if any);

6) Switches for safety doors, pit doors and maintenance valves (if any);

7) Safety switch required for detachable emergency operation device;

8) Hang steel wire rope (when there are two chains at present, prevent the safety switch from loosening. )

4. 1 1.2 The linkage test of safety gear of speed limiter must meet the following requirements:

1 The electrical switch linkage test of the speed limiter and safety tongs must be reliable, and the main crane should be braked immediately;

2 For instantaneous safety gear, the car shall bear the rated load evenly distributed; For the progressive safety gear, the car should bear 125% of the rated load evenly distributed. The electric switch of the speed limiter and the safety clamp is short-circuited, and the car descends at the maintenance speed. When the speed limiter is manually operated, the safety clamp should act reliably, and the car must be braked reliably. The inclination of the car bottom should not be greater than 5%.

4. 1 1.3 The test of landing doors and car doors must meet the following requirements:

1 The doors on each floor must be opened normally with a triangular key;

When a landing door or car door (any door of multiple doors) is abnormally opened, the elevator is prohibited from starting or continuing to run.

Description:

4. 1 1.3 Interlocking between landing door and car door is a safety protection against falling and shearing.

4. 1 1.4 The traction capacity test of the traction elevator must meet the following requirements:

1 The car carries 125% of the rated load at the upper and lower travel limits, and stops for more than three times respectively. The car must stop reliably (the no-load upward state should be flat). When the car is fully loaded 125% of the rated load and descends at normal running speed, cut off the power supply of the motor and brake, and the elevator must brake reliably.

2 When the counterweight is completely on the buffer and the main drive machine runs continuously in the upward direction of the car, it is forbidden to lift the empty car upward.

General project

4. 1 1.5 The balance coefficient of the traction elevator shall be 0.4-0.5.

4. 1 1.6 After the elevator is installed, the operation test shall be carried out; The car runs 1000 times per hour (not less than 8 hours per day) under the conditions of no-load and rated load, and the elevator should run smoothly, with reliable braking and trouble-free continuous operation.

4. 1 1.7 Noise inspection shall meet the following requirements:

1 noise of engine room: the rated speed of elevators is less than or equal to 4m/s, and should not be greater than 80dB (a); For rated speed greater than 4m/s, it should not be greater than 85dB(A).

2. Noise of passenger elevator and sickbed elevator during operation: For elevators with rated speed less than or equal to 4m/s, it should not be greater than 55dB (a); For elevators with rated speed greater than 4m/s, it should not be greater than 60dB(A).

3 The process noise of opening and closing doors of passenger elevators and sickbed elevators should not be greater than 65dB(A).

4. 1 1.8 The leveling accuracy test shall meet the following requirements:

1 AC two-speed elevator with rated speed less than or equal to 0.63m/s shall be within the range of 15mm;

2 AC two-speed elevators with rated speed greater than 0.632m/s and less than or equal to 1.0m/s shall be within 30mm;

3 elevators with other speed regulation modes should be within the range of15 mm.

4. 1 1.9 The running speed inspection shall meet the following requirements:

When the power supply is rated frequency and voltage and the car load is 50% of the rated load, the speed when descending to the middle of the trip (except the acceleration and deceleration section) should not be greater than 105% of the rated speed and should not be less than 92% of the rated speed.

4. 1 1. 10 The visual inspection shall meet the following requirements:

1 The car door drives the landing door to open and close, and there should be no scraping phenomenon between the door leaves, between the door leaves and the door cover, between the door leaves and the lintel, between the door leaves and the car wall at the door, and between the lower end of the door leaves and the threshold;

2 The gaps between the door leaves, between the door leaves and the door cover, between the door leaves and the lintel, between the door leaves and the car wall at the door, and between the lower end of the door leaves and the threshold should be basically the same in the whole length;

3 Machine room (if any), guide rail bracket, pit, car roof, car interior, car door, landing door and door floor should be cleaned.