CN114955769A

CN114955769A - Elevator maintenance device

Info

Publication number: CN114955769A
Application number: CN202210468604.3A
Authority: CN
Inventors: 李彦彬; 白星; 许智; 段建新; 董红雷; 赵识博; 耿世雄; 刘苏杨; 焦晨龙; 潘倩倩
Original assignee: Hebei special equipment supervision and inspection institute
Current assignee: Hebei special equipment supervision and inspection institute
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-30

Abstract

The invention relates to the technical field of elevator maintenance, and provides an elevator maintenance device which is time-saving and labor-saving in maintenance work, can simultaneously meet inspection work and maintenance work at multiple positions, and is high in flexibility and practical practicability, and comprises an elevator body, wherein the elevator body comprises a car, the top end of the car is fixedly connected with a guardrail through two bearing plates and a support plate, a combined multi-step lifting platform is slidably installed between the two bearing plates, the combined multi-step lifting platform comprises a T-shaped bottom plate, two middle-step steps and two high-step steps are symmetrically arranged at the front side position of the T-shaped bottom plate, driving components for driving the high-step steps to lift are installed on two sides of the top end of the car, the high-step steps are longitudinally slidably connected with the bearing plates, a high-step opening is formed in one side, opposite to the two high-step openings, and backup steps are slidably installed in the high-step openings, the opposite sides of the two backup steps are provided with high-order stretching openings.

Description

Elevator maintenance device

Technical Field

The invention relates to the technical field of elevator maintenance, in particular to an elevator maintenance device.

Background

The elevator is used as a modern common lifting facility, is widely served in various places such as a writing room, an apartment, a market and the like, needs to be maintained and repaired frequently in the using process of the elevator, and if the elevator cannot be maintained and repaired, the elevator breaks down, even causes huge damage in severe cases.

After the existing elevator breaks down, generally can inform maintenance staff immediately to maintain, maintenance staff can go to the computer lab earlier, look over trouble floor and fault code that controller department shows, know the basic condition after, go to corresponding problem floor again and maintain, because the elevator goes wrong the reason various and inconvenient direct learning, often need advance in the elevator shaft way just can know concrete problem place after the top inspection of car, at this in-process, still need maintenance staff to go to the upper and lower floor of problem floor or go to many times even, confirm exact roughly the maintenance position, still need carry or take corresponding maintenance tool again according to concrete problem, the loaded down with trivial details inconvenience of whole maintenance process, and waste time and energy, for this, we propose an elevator maintenance device.

Disclosure of Invention

Technical problem to be solved

The invention provides an elevator maintenance device aiming at the defects of the prior art and aims to solve the problems of complexity, inconvenience, time waste and labor waste of the whole maintenance process of the prior art in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an elevator maintenance device comprises an elevator body, wherein the elevator body comprises a car, the top end of the car is fixedly connected with a guardrail through two bearing plates and a supporting plate, a combined multi-step lifting platform is slidably mounted between the two bearing plates and comprises a T-shaped bottom plate, two middle steps and two high steps are symmetrically arranged at the front side of the T-shaped bottom plate, driving components for driving the high steps to lift are mounted on two sides of the top end of the car, the high steps are longitudinally and slidably connected with the bearing plates, high-step openings are formed in the opposite sides of the two high steps, backup steps are slidably mounted in the high-step openings, high-step stretching openings are formed in the opposite sides of the two backup steps, a high-step stretching plate is slidably arranged in one of the two high-step stretching openings, and a middle-step stretching opening is formed in the opposite side of the two middle steps, a middle-order stretching plate is slidably arranged in one of the two middle-order stretching holes, a tool box is installed at the rear side positions of the two T-shaped bottom plates, a plurality of sections of shielding type lighting lamps are arranged at the front side position inside the tool box, and a plurality of layers of tool placing racks are longitudinally slidably connected at the rear side position inside the tool box.

Preferably, drive assembly includes double-end driving motor, double-end driving motor fixed mounting is on the top of car, equal fixedly connected with cylinder on two output of double-end driving motor, the winding has the stay cord on the cylinder, two the equal fixedly connected with back shaft of the relative one end of loading board, the one end fixed connection of stay cord is on the cylinder, the other end of stay cord walk around the back shaft and with high-order ladder fixed connection.

Further preferred, multisection formula illumination lamps and lanterns are sheltered from includes multisection support column and illumination lamps and lanterns, the multisection rotate in proper order between the support column and connect, the multisection be located a support column of downside in the support column and the inside wall of toolbox rotate to be connected, the multisection be located the other end of a support column of the top in the support column and install many elastic metal hose, illumination lamps and lanterns demountable installation is at many elastic metal hose's the other end.

Further, the top rear sliding connection of car has the type of falling U protection casing that is used for sheltering from the protection toolbox.

Still further, the rear end of the type of falling U protection casing is provided with a plurality of inserted bars, correspond a plurality of jacks have been seted up to a plurality of inserted bars in the backup pad.

As a further scheme of the scheme, the high-order stretching plate and the middle-order stretching plate are both provided with a drawing port and a drawing port.

As a further scheme of the scheme, the other side of the roller is rotatably provided with a stabilizing plate, and the bottom end of the stabilizing plate is fixedly connected with the top end of the car.

On the basis of the scheme, the bottom end of the T-shaped bottom plate is provided with a plurality of cushion pads.

On the basis of the scheme, a handle is mounted at the top end of the multilayer tool placing rack.

On the basis of the above scheme, a pull handle is mounted on the uppermost supporting column in the plurality of sections of supporting columns.

(III) advantageous effects

Compared with the prior art, the invention provides an elevator maintenance device, which has the following beneficial effects:

because most maintenance work is carried out on the top of the car in the elevator shaft, the maintenance device is pre-arranged on the top of the car, so that the partial fatigue caused by running of the maintenance worker carrying tools can be reduced, meanwhile, the multi-section shielding type illuminating lamps arranged at the front side inside the tool box can provide flexible illuminating conditions for inspection work in the elevator shaft, and the multi-layer tool placing frame can be used for pre-arranging various tools for maintenance, so that the maintenance work is time-saving and labor-saving;

on this basis, maintenance person is after getting into car top, because combination formula multi-step elevating platform has T type bottom plate, three kinds of difference in height of middling step ladder and high order ladder, can directly carry out inspection work and maintenance work in the height on combination formula multi-step elevating platform, can also adjust the whole height of combination formula multi-step elevating platform through drive assembly simultaneously, great difference in height when in order to satisfy inspection and maintenance, and can also through backup ladder, high order stretch board and middling stretch board in T type bottom plate, work such as the fine setting of flushing again in three kinds of difference in height of middling step ladder and high order ladder, further satisfy inspection work and maintenance work of multiple spot position, flexibility and practical practicality are higher.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the combination of the car, the modular multi-step platform and the tool box of the present invention;

FIG. 3 is a schematic perspective view of the assembled multi-step lift platform, tool box and inverted U-shaped protective cover of the present invention in a partially exploded, partially sectioned configuration;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B according to the present invention;

FIG. 6 is an enlarged partial view of FIG. 3 at C;

FIG. 7 is a schematic perspective view of the combined multi-step platform of the present invention;

FIG. 8 is a schematic perspective view of the assembled multi-step platform of the present invention in an expanded state;

fig. 9 is a schematic perspective view of a tool box, a support column, and a lighting fixture according to the present invention.

In the figure: 1. a car; 2. a carrier plate; 3. a support plate; 4. a guardrail; 5. a combined multi-step elevating platform; 6. a middle step; 7. a high-order step; 8. a step is backed up; 9. a high-order tensile plate; 10. a middle-stage stretching plate; 11. a tool box; 12. a multi-section shielding type lighting lamp; 13. a multi-layer tool rack; 14. a double-headed drive motor; 15. a drum; 16. pulling a rope; 17. a support shaft; 18. a support pillar; 19. a lighting fixture; 20. an elastic metal hose; 21. an inverted U-shaped shield; 22. inserting a rod; 23. a jack; 24. a drawing port; 25. a pull-back opening; 26. a stabilizing plate; 27. a cushion pad; 28. a handle; 29. pulling a handle; 30. a T-shaped bottom plate; 31. an elevator body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-9, an elevator maintenance device comprises an elevator body 31, wherein the elevator body 31 comprises a car 1, most maintenance work is performed on the top of the car 1 in an elevator shaft, so that the partial fatigue of a maintenance worker carrying tools can be reduced by presetting the maintenance device on the top of the car 1, and the top end of the car 1 is fixedly connected with a guardrail 4 through two bearing plates 2 and a supporting plate 3, so that the maintenance worker can intercept and protect the maintenance worker within a certain range of amount during maintenance on the top of the car 1;

a combined multi-step lifting platform 5 is slidably mounted between the two bearing plates 2, the combined multi-step lifting platform 5 comprises a T-shaped bottom plate 30, the T-shaped bottom plate 30 is a supporting part of the whole combined multi-step lifting platform 5, two middle-step steps 6 and two high-step steps 7 are symmetrically arranged at the front side of the T-shaped bottom plate 30, so that the combined multi-step lifting platform 5 is in a five-step shape with three height differences as a whole, a worker can directly perform inspection work and maintenance work within a certain height on the combined multi-step lifting platform 5, driving components for driving the high-step steps 7 to lift are mounted on two sides of the top end of the car 1 respectively, each driving component comprises a double-head driving motor 14, the double-head driving motor 14 is fixedly mounted on the top end of the car 1, rollers 15 are fixedly connected on two output ends of the double-head driving motor 14, and a stabilizing plate 26 is rotatably mounted on the other side of the rollers 15, the bottom end of the stabilizing plate 26 is fixedly connected with the top end of the car 1 and is used for supporting and stabilizing the rotation of the roller 15, the pulling rope 16 is wound on the roller 15, the supporting shafts 17 are fixedly connected with the opposite ends of the two bearing plates 2, one end of the pulling rope 16 is fixedly connected to the roller 15, the other end of the pulling rope 16 bypasses the supporting shafts 17 and is fixedly connected with the high-order ladder 7, the high-order ladder 7 is in longitudinal sliding connection with the bearing plates 2, when the two double-head driving motors 14 work simultaneously and synchronously, the four rollers 15 are driven to rotate simultaneously, the pulling rope 16 is wound on the roller 15, the other end of the pulling rope 16 is supported and wound on the supporting shafts 17 to pull the high-order ladder 7 to ascend and descend, the high-order ladder 7 is in longitudinal sliding connection with the bearing plates 2, so that the high-order ladder 7 is stable when ascending and descending, and the two high-order ladders 7 can simultaneously drive the two middle ladders 6 and the T-shaped bottom ladders 7 connected with the high-order ladders 6 and the T-shaped bottom ladders in the synchronous ascending and descending process A plate 30, so that the height of the combined multi-step lifting platform 5 is adjusted integrally to meet the requirement of larger height difference during inspection and maintenance;

on the basis, one side of each of the two high-step steps 7 opposite to each other is provided with a high-step opening, a backup step 8 is slidably mounted in the high-step openings, when the backup step 8 is pulled out from the high-step openings, the tops of the two middle-step steps 6 are increased to be as high as the high-step steps 7, one side of each of the two backup steps 8 opposite to each other is provided with a high-step stretching opening, one high-step stretching plate 9 is slidably arranged in one high-step stretching opening of the two high-step stretching openings, when the high-step stretching plate 9 is pulled out from one high-step stretching opening and the other end of the high-step stretching plate is inserted and supported in the other high-step stretching opening, the height of each backup step 8 is as high as the high-step 7, one side of each of the two middle-step steps 6 opposite to each other is provided with a middle-step stretching plate 10, when the middle-step stretching plate 10 is pulled out from one middle-step stretching opening and the other end is inserted and supported in the other middle-step stretching opening, the height which is as high as that of the middle-step steps 6 can be supported between the two middle-step steps 6, the high-step stretching plate 9 and the middle-step stretching plate 10 are respectively provided with a pull-out opening 24 and a pull-back opening 25 for pulling out and retracting the high-step stretching plate 9 and the middle-step stretching plate 10, and the bottom end of the T-shaped bottom plate 30 is provided with a plurality of buffer cushions 27 for buffering when the combined type multi-step lifting platform 5 descends to the top of the car 1.

On the basis, the tool box 11 is installed at the rear position of the two T-shaped bottom plates 30, the multi-section sheltering type lighting lamp 12 is arranged at the front position inside the tool box 11, the multi-section sheltering type lighting lamp 12 comprises a multi-section supporting column 18 and a lighting lamp 19, the multi-section supporting columns 18 are sequentially connected in a rotating manner, one supporting column 18 positioned at the lowest side in the multi-section supporting column 18 is rotatably connected with the inner side wall of the tool box 11, it should be noted that, in order to enable one supporting column 18 positioned at the lowest side in the multi-section supporting column 18 to rotate on the inner side wall of the tool box 11 and to be capable of self-positioning without external force after rotation, a large rotation damping is required to be arranged between one supporting column 18 positioned at the lowest side in the multi-section supporting column 18 and the inner side wall of the tool box 11, and in order to be capable of self-positioning without external force after movement between the multi-section supporting columns 18, the multiple sections of the supporting columns 18 should have a large rotational damping, the other end of the uppermost supporting column 18 in the multiple sections of the supporting columns 18 is provided with a plurality of elastic metal hoses 20, the lighting lamp 19 is detachably mounted at the other ends of the plurality of elastic metal hoses 20, the elastic metal hoses 20 can be made of materials similar to those of a desk lamp, a mobile phone support and the like, and only the movable position adjustment of the lighting lamp 19 can be realized;

on the basis, a pull handle 29 is arranged on one support column 18 which is positioned at the uppermost side in the plurality of support columns 18 and is used for pulling out the plurality of shielding type illuminating lamps 12 from the tool box 11, the multi-layer tool placing frame 13 is longitudinally connected at the rear side position in the tool box 11 in a sliding manner, the multi-layer tool placing frame 13 can be used for placing various tools for maintenance in advance, so that the maintenance work is time-saving and labor-saving, a handle 28 is arranged at the top end of the multi-layer tool placing frame 13, a worker can conveniently lift the multi-layer tool placing frame 13 from the tool box 11, an inverted U-shaped protective cover 21 for shielding the tool box 11 is connected at the rear side of the top end of the car 1 in a sliding manner, when the inverted U-shaped protective cover 21 is positioned on the tool box 11, a certain shielding and protection can be carried out on an opening at the top of the tool box 11, so as to reduce dust falling into the tool box 11, a plurality of inserting rods 22 are arranged at the rear end of the inverted U-shaped protective cover 21, correspond a plurality of jacks 23 on the backup pad 3 to a plurality of inserted bars 22, when falling the opening at U type protection casing 21 rear side slip exposure toolbox 11 top, toolbox 11 does not have this moment and falls the operation along with T type bottom plate 30 sheltering from of falling U type protection casing 21 on the one hand, on the other hand a plurality of inserted bars 22 insert in the backup pad 3 a plurality of jacks 23 back, have certain supporting role to falling U type protection casing 21 simultaneously, the staff can have a rest as interim seat with falling U type protection casing 21.

It should be further noted that the double-headed driving motor 14 in this embodiment is a conventional device purchased from the market and known to those skilled in the art, and the model can be selected or customized according to actual needs, in this patent, we only use it, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode, for those skilled in the art, it is only necessary to perform debugging operations according to the requirements of its usage specification, and it is not described herein any more, and the double-headed driving motor 14 is provided with a control switch matched with it, and the installation position of the control switch is selected according to the actual usage requirements, so as to facilitate the operation and control of the operator, and at the same time, the two double-headed driving motors 14 should be set to work synchronously to ensure that the two high-order steps 7 are at the same horizontal working height during lifting, in addition, a forward and reverse rotation circuit needs to be connected to the double-headed driving motor 14 before use for forward and reverse rotation operation, and for forward and reverse rotation of the motor, as can be known from the patent publication No. CN109889124A, the forward and reverse rotation operation of the motor is well known and can be realized by those skilled in the art.

To sum up, because most of the maintenance work is carried out in the elevator hoistway at the top of the car 1, the invention can reduce the partial fatigue of the maintenance worker when carrying tools by presetting the maintenance device at the top of the car 1, after the worker checks the displayed fault floor and fault code in the machine room, the worker firstly takes other normal elevators to go to the upper floor of the corresponding problem floor, opens the hall door and then enters the top of the car 1 in the elevator hoistway, after the worker enters the top of the car 1, because the combined multi-step lifting platform 5 integrally takes the five-step shape with three height differences, the worker can directly carry out the inspection work and the maintenance work within a certain height on the combined multi-step lifting platform 5, and simultaneously, if the inspection or maintenance position has a larger height difference with the worker, the two double-head driving motors 14 can be opened to synchronously work, the two double-head driving motors 14 can simultaneously drive the four rollers 15 to rotate, so that the four pull ropes 16 are respectively wound on the four rollers 15, the other ends of the four pull ropes 16 are respectively supported and wound on the two support shafts 17 to pull the two high-order steps 7 to lift simultaneously, the high-order steps 7 are longitudinally and slidably connected with the bearing plate 2, so that the high-order steps 7 are stable when lifted, the two high-order steps 7 can simultaneously drive the two middle-order steps 6 and the T-shaped bottom plate 30 which are connected with the high-order steps 7 in the synchronous lifting process, the combined multi-step lifting platform 5 is integrally subjected to height adjustment to meet the requirement of large height difference during inspection and maintenance, and if the combined multi-step lifting platform 5 is required to be subjected to leveling fine adjustment and other work, the combined multi-step lifting platform can be further subjected to leveling fine adjustment and the like through the backup steps 8, the high-order stretching plate 9 and the middle-order stretching plate 10 on the T-shaped bottom plate 30, When the two backup steps 8 are pulled out from the two high step openings during adjustment, the tops of the two middle step 6 are increased to the height which is not much higher than that of the two high step openings 7, and when the high-order stretching plate 9 is pulled out from one high step opening and the other end of the high-order stretching plate is inserted and supported in the other high step opening, the height which is not much higher than that of the high step 7 is supported between the two backup steps 8, and when the middle-order stretching plate 10 is pulled out from one middle step opening and the other end of the middle step stretching plate is inserted and supported in the other middle step opening, the height which is not much higher than that of the middle step 6 is supported between the two middle step openings 6, and the principle is followed, so that a worker can carry out proper adjustment according to actual use conditions, the flexibility and the practical practicability are higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elevator maintenance device comprises an elevator body (31), wherein the elevator body (31) comprises a car (1) and is characterized in that the top end of the car (1) is fixedly connected with a guardrail (4) through two bearing plates (2) and a supporting plate (3), a combined multi-step lifting platform (5) is arranged between the two bearing plates (2) in a sliding manner, the combined multi-step lifting platform (5) comprises a T-shaped bottom plate (30), two middle-step steps (6) and two high-step steps (7) are symmetrically arranged at the front side of the T-shaped bottom plate (30), driving components for driving the high-step steps (7) to ascend and descend are arranged on two sides of the top end of the car (1), the high-step steps (7) are connected with the bearing plates (2) in a longitudinal sliding manner, a high-step opening is formed in one side, opposite to the two high-step steps (7), and a backup step (8) is arranged in the high-step opening in a sliding manner, the high-order stretching opening has all been seted up to two backup ladder (8) relative one sides, and the slip is provided with high-order tensile board (9) in the high-order stretching opening in two high-order stretching openings, and the tensile mouth of well rank has all been seted up to one side that two well rank ladder (6) are relative, and the slip is provided with well rank tensile board (10) in the tensile mouth of a well rank in two well rank stretching openings, and toolbox (11) are installed to the rear side position of two T type bottom plates (30), the inside front side position of toolbox (11) is provided with multisection formula illumination lamps and lanterns (12) of sheltering from, and the inside rear side position longitudinal sliding connection multilayer tool rack (13) of toolbox (11).

2. An elevator maintenance device according to claim 1, characterized in that the driving assembly comprises a double-end driving motor (14), the double-end driving motor (14) is fixedly installed at the top end of the car (1), rollers (15) are fixedly connected to two output ends of the double-end driving motor (14), a pulling rope (16) is wound on the rollers (15), a supporting shaft (17) is fixedly connected to two opposite ends of the bearing plate (2), one end of the pulling rope (16) is fixedly connected to the rollers (15), and the other end of the pulling rope (16) bypasses the supporting shaft (17) and is fixedly connected with the high-order ladder (7).

3. The elevator maintenance device according to claim 2, wherein the multi-section sheltering type lighting fixture (12) comprises a plurality of sections of supporting columns (18) and a lighting fixture (19), the plurality of sections of supporting columns (18) are sequentially and rotatably connected, one supporting column (18) positioned at the lowest side in the plurality of sections of supporting columns (18) is rotatably connected with the inner side wall of the tool box (11), a plurality of elastic metal hoses (20) are installed at the other end of the one supporting column (18) positioned at the highest side in the plurality of sections of supporting columns (18), and the lighting fixture (19) is detachably installed at the other end of the plurality of elastic metal hoses (20).

4. An elevator servicing device according to claim 3, characterized in that an inverted U-shaped hood (21) for shielding the protective toolbox (11) is slidably attached to the top rear side of the car (1).

5. The elevator maintenance device according to claim 4, wherein the inverted U-shaped protective cover (21) is provided at a rear end thereof with a plurality of insertion rods (22), and the support plate (3) is provided with a plurality of insertion holes (23) corresponding to the plurality of insertion rods (22).

6. The elevator maintenance device according to claim 5, characterized in that the high-order stretching plate (9) and the middle-order stretching plate (10) are provided with a drawing opening (24) and a drawing opening (25).

7. Elevator servicing device according to claim 6, characterized in that the other side of the drum (15) is rotatably mounted with a stabilizing plate (26), and that the bottom end of the stabilizing plate (26) is fixedly connected with the top end of the car (1).

8. Elevator servicing device according to claim 7, characterized in that the bottom end of the T-shaped bottom plate (30) is provided with a number of buffer pads (27).

9. An elevator service arrangement as defined in claim 8, wherein a handle (28) is mounted to the top end of the multi-tier tool placement frame (13).

10. An elevator service arrangement as defined in claim 9, wherein a pull handle (29) is mounted on the uppermost one of said support columns (18) of said plurality of sections (18).