CN114955769B

CN114955769B - Elevator maintenance device

Info

Publication number: CN114955769B
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: 2024-07-19
Anticipated expiration: 2042-04-29
Also published as: CN114955769A

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 the requirements of inspection work and maintenance work of multiple points, has high flexibility and practical practicability, and comprises an elevator body, wherein the elevator body comprises an elevator car, the top end of the elevator car is fixedly connected with a guardrail through a supporting plate and two bearing plates, a combined multi-step lifting platform is slidably arranged between the two bearing plates and 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 assemblies for driving the high-step steps to lift are respectively arranged at the two sides of the top end of the elevator car, the high-step steps are longitudinally slidably connected with the bearing plates, high-step openings are respectively arranged at the opposite sides of the two high-step steps, backup steps are slidably arranged in the high-step openings, and high-step stretching openings are respectively arranged at the opposite sides of the two backup steps.

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 used in various places such as a writing room, an apartment, a market and the like, and is required to be frequently maintained and maintained in the use process of the elevator.

The existing elevator generally immediately informs maintenance staff to maintain after faults occur, the maintenance staff can go to a machine room first, check fault floors and fault codes displayed at a controller, go to corresponding problem floors to maintain after basic conditions are known, specific problems can be known only after the elevator always needs to enter the elevator hoistway for top inspection of an elevator car, in the process, the maintenance staff also needs to go to the upper layer and the lower layer of the problem floors even for multiple times to confirm exact approximate maintenance positions, and corresponding maintenance tools are carried or taken again according to the specific problems.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides an elevator maintenance device to solve the problems that the whole maintenance process is tedious and inconvenient and wastes time and labor in the prior art provided in the background art.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an elevator maintenance device, includes the elevator body, the elevator body includes the car, the top of car is through backup pad and two loading board fixedly connected with guardrails, and slidable mounting has combination formula multi-step elevating platform between two loading boards, combination formula multi-step elevating platform includes T type bottom plate, the front side position symmetry of T type bottom plate is provided with two well steps and two high-order steps, and the drive assembly that is used for driving the high-order step to go up and down is all installed to the top both sides of car, and high-order step and loading board are vertical sliding connection, the high-order ladder mouth has all been seted up to the opposite side of two high-order steps, slidable mounting has the backup ladder in the high-order ladder mouth, and the high-order stretching mouth has all been seted up to the opposite side of two backup ladders, and the interior stretching mouth sliding of one of two high-order stretching mouths is provided with the high-order stretching board, and the interior stretching mouth sliding of one of two well steps is provided with well stretching board, and the rear side position of two well steps bottom plate is provided with the tool box, the inside tool box is provided with the multisection position of the inside tool box and shelters from the inside tool box, and the inside position is connected to the inside tool box.

Preferably, the drive assembly comprises a double-head drive motor, the double-head drive motor is fixedly arranged at the top end of the car, rollers are fixedly connected to the two output ends of the double-head drive motor, pull ropes are wound on the rollers, two opposite ends of the bearing plates are fixedly connected with supporting shafts, one ends of the pull ropes are fixedly connected to the rollers, and the other ends of the pull ropes bypass the supporting shafts and are fixedly connected with high-order steps.

Further preferably, the multi-section shielding type lighting lamp comprises a plurality of sections of support columns and a lighting lamp, wherein a plurality of sections of support columns are sequentially connected in a rotating mode, one of the support columns positioned at the lowest side of the plurality of sections of support columns is rotationally connected with the inner side wall of the tool box, a plurality of elastic metal hoses are arranged at the other end of one of the support columns positioned at the uppermost side of the plurality of sections of support columns, and the lighting lamp is detachably arranged at the other end of the plurality of elastic metal hoses.

Further, the reverse U-shaped protective cover for shielding the protective tool box is connected to the rear side of the top end of the car in a sliding mode.

Still further, the rear end of the reverse U-shaped protection casing is provided with a plurality of inserted bars, a plurality of jacks are arranged on the support plate corresponding to the plurality of inserted bars.

As a further scheme of the scheme, a pulling outlet and a pulling back opening are formed in the high-order stretching plate and the medium-order stretching plate.

As still further scheme of this scheme, the opposite side of cylinder rotates installs the stabilizer plate, just the bottom of stabilizer plate and the top fixed connection of car.

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

Further on the basis of the scheme, a handle is arranged at the top end of the multi-layer tool placing frame.

On the basis of the scheme, one support column positioned at the uppermost side of the support columns is provided with a pull handle.

(III) beneficial 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 lift car in the lift well, the invention can reduce the fatigue of a part where maintenance staff runs by carrying tools by presetting the maintenance device on the top of the lift car, and meanwhile, the multisection shielding type lighting lamp arranged at the inner front side position of the tool box can provide flexible lighting conditions for inspection work in the lift well, and the multi-layer tool placing frame can be used for placing various tools for maintenance in advance, so that the maintenance work is time-saving and labor-saving;

On this basis, after entering the car top, maintenance personnel can directly carry out inspection work and maintenance work in a certain height on the combined multi-step lifting platform because the combined multi-step lifting platform is provided with three height differences of a T-shaped bottom plate, a middle-step ladder and a high-step ladder, meanwhile, the whole height of the combined multi-step lifting platform can be adjusted through a driving assembly, so that the large height difference during inspection and maintenance is met, and the work such as flush trimming and the like can be carried out in the three height differences of the T-shaped bottom plate, the middle-step ladder and the high-step ladder through a backup ladder, a high-step stretching plate and a middle-step stretching plate, so that the inspection work and the maintenance work of multiple points are further met, and the flexibility and the practical practicability are high.

Drawings

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

Fig. 2 is a schematic perspective view of the cooperation of a car, a combined multi-step lifting platform, a tool box and the like in the invention;

FIG. 3 is a schematic view of a partially cut-away perspective view of the combination multi-step lift table, tool box, inverted U-shaped shield, etc. of the present invention;

FIG. 4 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 3;

FIG. 5 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 3;

FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 3;

FIG. 7 is a schematic perspective view of a combined multi-step lift table according to the present invention;

FIG. 8 is a schematic perspective view of a combined multi-step lift table according to the present invention in an unfolded state;

Fig. 9 is a schematic perspective view, partly in section, of the tool box, support column, lighting fixture, etc. of the present invention.

In the figure: 1. a car; 2. a carrying plate; 3. a support plate; 4. guard bars; 5. combined multi-step lifting platform; 6. a middle step; 7. a higher order ladder; 8. backup steps; 9. a high-order stretch panel; 10. a middle-stage stretching plate; 11. a tool box; 12. multisection shielding type lighting lamp; 13. a multi-layered tool holder; 14. a double-ended drive motor; 15. a roller; 16. a pull rope; 17. a support shaft; 18. a support column; 19. a lighting fixture; 20. an elastic metal hose; 21. an inverted U-shaped protective cover; 22. a rod; 23. a jack; 24. a pull outlet; 25. a pull-back opening; 26. a stabilizing plate; 27. a cushion pad; 28. a handle; 29. a pull handle; 30. a T-shaped bottom plate; 31. an elevator body.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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, and most maintenance work is performed on the top of the car 1 in an elevator hoistway, so that the fatigue of a maintenance worker who runs with tools can be reduced by presetting the maintenance device on the top of the car 1, and the top of the car 1 is fixedly connected with a guardrail 4 through a supporting plate 3 and two bearing plates 2, so that the maintenance worker can intercept and protect the maintenance worker in a certain range when maintaining the top of the car 1;

A combined multi-step lifting platform 5 is slidably arranged 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 position of the T-shaped bottom plate 30, therefore, 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 in a certain height on the combined multi-step lifting platform 5, driving components for driving the high-step steps 7 to lift are arranged at two sides of the top end of the lift car 1, each driving component comprises a double-end driving motor 14, the double-end driving motor 14 is fixedly arranged at the top end of the lift car 1, two output ends of the double-end driving motor 14 are fixedly connected with a roller 15, the other side of the roller 15 is rotatably provided with a stabilizing plate 26, the bottom ends of the stabilizing plates 26 are fixedly connected with the top end of the car 1 and are used for supporting and stabilizing the rotation of the roller 15, pull ropes 16 are wound on the roller 15, the opposite ends of the two bearing plates 2 are fixedly connected with supporting shafts 17, one ends of the pull ropes 16 are fixedly connected with the roller 15, the other ends of the pull ropes 16 bypass the supporting shafts 17 and are fixedly connected with the high-order steps 7, the high-order steps 7 are longitudinally and slidably connected with the bearing plates 2, when the two double-head driving motors 14 work synchronously at the same time, the four rollers 15 are simultaneously driven to rotate, so that the pull ropes 16 wind on the roller 15, the other ends of the pull ropes 16 support the high-order steps 7 which are pulled on the supporting shafts 17 to lift, and because the high-order steps 7 are longitudinally and slidably connected with the bearing plates 2, the high-order steps 7 are relatively stable during lifting, the two high-step steps 7 simultaneously drive the two middle-step steps 6 and the T-shaped bottom plate 30 which are connected with the two high-step steps 7 in the synchronous lifting process, so that the integral height of the combined multi-step lifting platform 5 is adjusted to meet the requirement of larger height difference during inspection and maintenance;

On the basis, the opposite sides of the two high-order steps 7 are provided with high-order step openings, the backup steps 8 are slidably arranged in the high-order step openings, when the backup steps 8 are pulled out from the high-order step openings, the tops of the two middle-order steps 6 are increased to the height almost equal to the height of the high-order steps 7, the opposite sides of the two backup steps 8 are provided with high-order stretching openings, one high-order stretching opening of the two high-order stretching openings is slidably provided with a high-order stretching plate 9, when the high-order stretching plate 9 is pulled out from one high-order stretching opening and the other head is inserted into and supported in the other high-order stretching opening, the height almost equal to the height of the high-order steps 7 is also supported between the two backup steps 8, the opposite sides of the two middle-step steps 6 are provided with middle-step stretching openings, one middle-step stretching opening of the two middle-step stretching openings is slidably provided with a middle-step stretching plate 10, when the middle-step stretching plate 10 is pulled out from the one middle-step stretching opening and the other end is inserted and supported in the other middle-step stretching opening, the middle-step stretching plate will support a height which is almost equal to that of the middle-step steps 6 between the two middle-step steps 6, the high-step stretching plate 9 and the middle-step stretching plate 10 are provided with a stretching outlet 24 and a back stretching opening 25, and the back stretching opening is used for pulling out and back stretching of 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 pads 27 for buffering when the combined multi-step lifting platform 5 descends to the top of the car 1.

On the basis, a tool box 11 is arranged at the rear side position of two T-shaped bottom plates 30, a multi-section shielding type lighting lamp 12 is arranged at the front side position inside the tool box 11, the multi-section shielding 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 way, one supporting column 18 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 is to be noted that in order to enable one supporting column 18 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 after no external force is generated, a large rotation damping is arranged between one supporting column 18 at the lowest side in the multi-section supporting column 18 and the inner side wall of the tool box 11, meanwhile, a large rotation damping is also arranged between the supporting columns 18, the other end of one supporting column 18 at the highest side in the multi-section supporting column 18 is provided with a plurality of elastic metal hoses 20, the lighting lamp 19 is detachably arranged at the other end of the plurality of elastic metal hoses 20, and the elastic metal hoses 20 can be used for adjusting the position of the desk lamp 19 in a movable manner as long as a mobile phone, and the like can be adjusted;

On the basis, a pull handle 29 is arranged on one support column 18 positioned at the uppermost side of the multi-section support column 18 and is used for pulling out the multi-section shielding type lighting lamp 12 from the tool box 11, the rear side position inside the tool box 11 is longitudinally and slidingly connected with the multi-layer tool placing rack 13, the multi-layer tool placing rack 13 can be used for placing various tools for maintenance in advance, so that the maintenance work is time-saving and labor-saving, the top end of the multi-layer tool placing rack 13 is provided with a handle 28, a worker can conveniently lift the multi-layer tool placing rack 13 from the tool box 11, the rear side of the top end of the lift car 1 is slidingly connected with an inverted U-shaped protective cover 21 for shielding the protective tool box 11, when the inverted U-shaped protective cover 21 is positioned at the position covered on the tool box 11, can carry out certain shielding and protection to the opening at toolbox 11 top, reduce the dust that falls into toolbox 11, the rear end of falling U type protection casing 21 is provided with a plurality of inserted bars 22, a plurality of jacks 23 have been seted up to corresponding a plurality of inserted bars 22 in the backup pad 3, when falling U type protection casing 21 slides to the rear side and exposes the opening at toolbox 11 top, on the one hand toolbox 11 does not have the shielding of falling U type protection casing 21 and just can go on the lift operation along with T type bottom plate 30 together this moment, on the other hand a plurality of inserted bars 22 insert a plurality of jacks 23 in the backup pad 3 in the back, simultaneously have certain supporting role to falling U type protection casing 21, the staff can take a rest as temporary seat with falling U type protection casing 21.

It should be further noted that, the double-end driving motor 14 in this embodiment is a conventional device known to those skilled in the art purchased in the market, and can be selected or customized according to actual needs, in this patent, we only use it, but not improve its structure and function, its setting mode, installation mode and electrical connection mode, for those skilled in the art, only need to debug according to the requirements of its usage specification, it is not described here, and the double-end driving motor 14 is provided with a control switch matched with it, the installation position of the control switch is selected according to actual usage requirements, so that the operator can perform operation control, and simultaneously, the two double-end driving motors 14 should be set to work synchronously, so as to ensure that the two higher-order steps 7 are at the same horizontal working height when lifting, and before use, the double-end driving motor 14 needs to be connected with a forward and reverse rotation circuit for forward and reverse rotation operation, for those skilled in the art, as known in the art disclosed in CN109889124a, the forward and reverse rotation operation of the motor is well known in the art.

In summary, because most maintenance work is carried out at the top of the lift car 1 in the lift shaft by entering the lift shaft, the invention can reduce the effort of a part of maintenance staff carrying tools and running by the maintenance device at the top of the lift car 1, after the operator checks the displayed fault floor and fault codes in a machine room, the operator takes other normal lifts to the upper layer at the corresponding problem floor, enters the top of the lift car 1 in the lift shaft after opening the hoistway door, the maintenance staff enters the top of the lift shaft 1, after entering the top of the lift shaft, because the combined multi-step lifting platform 5 is in a five-step shape with three height differences, the operator can directly carry out inspection work and maintenance work in a certain height on the combined multi-step lifting platform 5, and simultaneously, if the inspection or maintenance position and the operator have larger height differences, the two double-head driving motors 14 can be started to synchronously operate, the two double-head driving motors 14 simultaneously drive four rollers 15 to rotate, thereby the four rollers 16 to wind on the four rollers 15 respectively, the other ends of the four rollers 16 respectively wind on the four rollers, and the four rollers are respectively connected with the two supporting shafts 7 at the same height, and the two supporting steps 7 are respectively required to be connected with the two supporting shafts 7 at the same height, and the two supporting steps 7 are connected with the two steps 7 at the same height and the same height, and the same height is required to be adjusted to be in a stable, and the height is higher than the height than the lift platform, and is required to be adjusted to be in a lifting stage, and is also in a lifting stage 5, and has a high height and stable height is required to be connected with the lift and has a high lift stage and has a high height and a high lift stage The high-order stretching plate 9 and the medium-order stretching plate 10 perform the operations of leveling, trimming and the like in three height differences of the T-shaped bottom plate 30, the medium-order steps 6 and the high-order steps 7, so that the inspection and maintenance work of multiple points are further met, if the two backup steps 8 are pulled outwards from the two high-order steps, the tops of the two medium-order steps 6 are increased to the height almost equal to the height of the two high-order steps 7 during adjustment, and meanwhile, if the high-order stretching plate 9 is pulled out from one high-order stretching opening and the other end is inserted into and supported by the other high-order stretching opening, the height almost equal to the height of the high-order steps 7 is also supported between the two backup steps 8, and if the medium-order stretching plate 10 is pulled out from one medium-order stretching opening and the other end is inserted into and supported in the other medium-order stretching opening, the height almost equal to the height of the medium-order steps 6 is supported between the two medium-order steps 6, so that a worker can self-adjust according to the practical use condition, and the practical principle is high.

Claims

1. The elevator maintenance device comprises an elevator body (31), and is characterized in that the elevator body (31) comprises a car (1), the top end of the car (1) is fixedly connected with a guardrail (4) through a supporting plate (3) and two bearing plates (2), a combined multi-step lifting platform (5) is slidably arranged between the two bearing plates (2), 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 position of the T-shaped bottom plate (30), driving components for driving the high-step steps (7) to lift are arranged at the two sides of the top end of the car (1), the high-step steps (7) are longitudinally slidably connected with the bearing plates (2), high-step openings are formed in opposite sides of the two high-step steps (7), backup steps (8) are slidably arranged in the high-step openings, one side opposite to the two backup steps (8) is provided with a high-step stretching opening, one side of the two high-step steps (30) is provided with a stretching tool, one side of the two middle-step steps (10) is provided with one side stretching tool (10) opposite to the two middle-step steps (10), the multi-section shielding type lighting lamp (12) is arranged at the front side position of the interior of the tool box (11), and the rear side position of the interior of the tool box (11) is longitudinally connected with the multi-layer tool placing rack (13) in a sliding mode.

2. An elevator maintenance device according to claim 1, characterized in that the drive assembly comprises a double-headed drive motor (14), the double-headed drive motor (14) is fixedly mounted at the top end of the car (1), rollers (15) are fixedly connected to two output ends of the double-headed drive motor (14), pull ropes (16) are wound on the rollers (15), supporting shafts (17) are fixedly connected to opposite ends of the two bearing plates (2), one end of each pull rope (16) is fixedly connected to the corresponding roller (15), and the other end of each pull rope (16) bypasses the corresponding supporting shaft (17) and is fixedly connected with the higher-order step (7).

3. The elevator maintenance device according to claim 2, wherein the multi-section shielding type lighting lamp (12) comprises a plurality of sections of support columns (18) and a lighting lamp (19), the support columns (18) are sequentially connected in a rotating manner, one support column (18) positioned at the lowest side of the support 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 one support column (18) positioned at the highest side of the support columns (18), and the lighting lamp (19) is detachably installed at the other end of the plurality of elastic metal hoses (20).

4. An elevator maintenance apparatus according to claim 3, characterized in that the rear side of the top end of the car (1) is slidingly connected with an inverted U-shaped protective cover (21) for shielding the protective tool case (11).

5. The elevator maintenance device according to claim 4, wherein a plurality of inserting rods (22) are arranged at the rear end of the inverted U-shaped protective cover (21), and a plurality of inserting holes (23) are formed in the supporting plate (3) corresponding to the plurality of inserting rods (22).

6. Elevator maintenance device according to claim 5, characterized in that the high-order tension plates (9) and the medium-order tension plates (10) are provided with a pull-out opening (24) and a pull-back opening (25).

7. An elevator maintenance device according to claim 6, characterized in that the other side of the roller (15) is rotatably provided with a stabilizing plate (26), and the bottom end of the stabilizing plate (26) is fixedly connected with the top end of the car (1).

8. An elevator maintenance device according to claim 7, characterized in that the bottom end of the T-shaped bottom plate (30) is provided with a plurality of cushioning pads (27).

9. Elevator maintenance device according to claim 8, characterized in that the top end of the multi-layer tool holder (13) is fitted with a handle (28).

10. Elevator maintenance device according to claim 9, characterized in that a pull handle (29) is mounted on the uppermost one (18) of the plurality of support columns (18).