CN220618042U

CN220618042U - Car stop device is used in elevator maintenance

Info

Publication number: CN220618042U
Application number: CN202322221223.8U
Authority: CN
Inventors: 高小波; 张有军; 陈伟伟; 马亚生; 林俊; 葛益西
Original assignee: Nantong Xianao Elevator Engineering Co ltd
Current assignee: Nantong Xianao Elevator Engineering Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-19
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a lift car limiting device for lift maintenance, which belongs to the technical field of lift maintenance and comprises a lift shaft and a lift car, wherein a bearing plate is arranged at the bottom of the lift shaft, a stepping motor is arranged in the middle of the lower surface of the bearing plate, a rotary gear is arranged at the output end of the stepping motor, two groups of movable toothed plates are connected with the outer wall of the rotary gear in a meshed manner, linkage pieces are arranged at the outer ends of the upper surfaces of the two groups of movable toothed plates, grooves are formed in the two ends of the upper surface of the bearing plate, the grooves are in sliding connection with the linkage pieces, limiting plates are arranged at the tops of the two groups of linkage pieces, a buffer assembly is further arranged on the upper surface of the bearing plate, and the buffer assembly comprises a buffer plate, and can play a limiting role on the lift car during maintenance, so that shaking or shifting of the lift car position in the maintenance process is avoided; and the buffer component can provide damping effect for the elevator car, so that potential safety hazards of the elevator car in maintenance are reduced.

Description

Car stop device is used in elevator maintenance

Technical Field

The utility model relates to the technical field of elevator maintenance, in particular to a car limiting device for elevator maintenance.

Background

The elevator car limiting device for elevator maintenance is a safety device used in the elevator maintenance and repair process, and is often arranged at the bottom of an elevator shaft and used for limiting an elevator car so as to ensure the safety of maintenance personnel during maintenance and repair.

The publication number CN218145217U provides a car limiting device for elevator maintenance, which can effectively absorb shock to a shock absorption plate and an elevator box body falling onto the shock absorption plate, and improves the shock absorption effect of the device; including the elevator shaft, traction mechanism and elevator box, the elevator box passes through traction mechanism and goes up and down in the inside elevator shaft, its characterized in that still includes shock attenuation board, damper and stop gear, and the shock attenuation board slides the clamping with the inside wall bottom of elevator shaft, damper installs in the inside bottom of elevator shaft and with the shock attenuation board.

Above-mentioned patent only plays the supporting role to elevator car through damper through shock-absorbing plate and bottom, but does not set up limit structure on shock-absorbing plate, and is not good to elevator car's spacing effect, when maintaining elevator car in the elevator shaft, elevator car position still rocks, the risk of skew, and for this reason, we propose a elevator maintenance and use car stop device.

Disclosure of Invention

The utility model aims to provide a car limiting device for elevator maintenance, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an elevator maintenance is with car stop device, including elevator shaft and elevator car, the bottom of elevator shaft is equipped with the loading board, the lower surface mid-mounting of loading board has step motor, step motor's output is equipped with the pivot, the top of pivot is passed through the bearing and is connected with the inner chamber roof rotation of loading board, and the cover has the rotation gear in the pivot, the outer wall meshing of rotation gear is connected with two sets of movable toothed plates, the upper surface outer end of two sets of movable toothed plates all is equipped with the linkage, the fluting has all been seted up at the upper surface both ends of loading board, and fluting and linkage sliding connection, the limiting plate is all installed at the top of two sets of linkages, the upper surface of loading board still is equipped with buffer assembly, buffer assembly includes the buffer plate.

Further: the buffer assembly further comprises a telescopic column, the telescopic column is located in the middle of the upper surface of the bearing plate, the outer wall of the telescopic column is sleeved with a damping spring, and the top of the telescopic column is connected with the lower surface of the buffer plate.

Further: the buffer assembly further comprises two groups of bottom plates, and the two groups of bottom plates are respectively positioned on two sides of the upper surface of the bearing plate.

Further: a sliding groove is formed in each of the two groups of bottom plates, a sliding seat is connected in the sliding groove in a sliding mode, a connecting rod is connected to the top of the sliding seat, the top of the connecting rod is connected with the lower surface of the bearing plate, and a damping spring is arranged between the inner wall of the sliding groove and the outer side face of the sliding seat.

Further: the upper surface of the buffer plate and the inner side surfaces of the two groups of limiting plates are respectively provided with an anti-slip pad.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the rotating gear on the rotating shaft can be driven to rotate through the work of the stepping motor, and as the rotating gear is meshed and connected with the two groups of moving toothed plates, the linkage piece is driven to slide in the slot, the linkage piece drives the limiting plates to move, and the two groups of limiting plates can play a limiting role on the elevator car during maintenance, so that the situation that the elevator car shakes or deviates in the maintenance process is avoided; the telescopic column, the damping spring and the damping spring can provide damping effect for the elevator car on the buffer plate, and potential safety hazards of the elevator car in maintenance are reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a carrier plate structure of the present utility model;

FIG. 3 is a schematic view of a buffer assembly according to the present utility model.

In the figure: 1. an elevator shaft; 2. an elevator car; 3. a carrying plate; 4. a stepping motor; 5. a rotary gear; 6. moving the toothed plate; 7. a linkage member; 8. slotting; 9. a limiting plate; 10. a buffer assembly; 100. a telescopic column; 101. a damping spring; 102. a bottom plate; 103. a chute; 104. a sliding seat; 105. a damping spring; 106. a connecting rod; 107. and a buffer plate.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a lift car stop device for elevator maintenance, includes elevator hoistway 1 and elevator car 2, and this application's elevator car 2 slidable mounting is in elevator hoistway 1, and can drive elevator car 2 lift through hauler, the effect of hauling rope, and publication number CN218145217U provides a lift car stop device for elevator maintenance, uses hauler, hauling rope to drive elevator car to remove in the comparison file, this is prior art, its specific structure and theory of operation are not explained here; the bottom of elevator shaft 1 is equipped with loading board 3, the lower surface mid-mounting of loading board 3 has step motor 4, step motor 4's output is equipped with the pivot, the top of pivot is passed through the bearing and is connected with the inner chamber roof rotation of loading board 3, and the cover has rotation gear 5 in the pivot, the outer wall meshing of rotation gear 5 is connected with two sets of removal pinion rack 6, the upper surface outer end of two sets of removal pinion rack 6 all is equipped with linkage piece 7, fluting 8 has all been seted up at the upper surface both ends of loading board 3, and fluting 8 and linkage piece 7 sliding connection, limiting plate 9 is all installed at the top of two sets of linkage pieces 7, the upper surface of loading board 3 still is equipped with buffer assembly 10, buffer assembly 10 includes buffer plate 107.

When needing to maintain the elevator car 2 in the elevator shaft 1, the elevator car 2 is located the bottom of the elevator shaft 1, the bearing plate 3 plays the supporting role to the elevator car 2, the buffer plate 107 on the buffer assembly 10 is attached to the bottom of the elevator car 2, the buffer plate 107 on the buffer assembly 10 can provide damping effect for the elevator car 2, the potential safety hazard that the elevator car 2 exists in maintenance is reduced, the electric end electric connection of the stepping motor 4 is connected with the power supply and the controller in the elevator shaft 1, the work of the stepping motor 4 drives the rotating gear 5 on the rotating shaft to rotate positively or reversely, as the rotating gear 5 is connected with the two groups of moving toothed plates 6 in a meshing manner, the moving toothed plates 6 drive the linkage piece 7 to slide in the grooves 8, and then drive the two groups of limiting plates 9 to move in opposite directions, the inner side faces of the two groups of limiting plates 9 are attached to the outer walls of the two sides of the elevator car 2, the two groups of limiting plates 9 can play a limiting role on the elevator car 2 in maintenance, and the situation that the position of the elevator car is rocked or deviated in the maintenance process is avoided.

Preferably, the buffer assembly 10 further comprises a telescopic column 100, the telescopic column 100 is located in the middle of the upper surface of the bearing plate 3, a damping spring 101 is sleeved on the outer wall of the telescopic column 100, and the top of the telescopic column 100 is connected with the lower surface of the buffer plate 107; the telescopic column 100 and the damping spring 101 can provide a vertical shock absorbing and buffering effect to the buffer plate 107.

Preferably, the cushioning assembly 10 further includes two sets of bottom plates 102, and the two sets of bottom plates 102 are respectively located on two sides of the upper surface of the carrier plate 3.

Preferably, the two groups of bottom plates 102 are provided with sliding grooves 103, the sliding grooves 103 are connected with a sliding seat 104 in a sliding way, the top of the sliding seat 104 is connected with a connecting rod 106, the top of the connecting rod 106 is connected with the lower surface of the bearing plate 3, and a damping spring 105 is arranged between the inner wall of the sliding groove 103 and the outer side surface of the sliding seat 104;

when the elevator car 2 contacts with the bearing plate 3, the buffer plate 107 moves downwards under the force, the connecting rod 106 moves at the moment, the connecting rod 106 drives the sliding seat 104 to slide in the sliding groove 103, and the buffer plate 107 can be provided with the shock absorption and buffering functions from two side directions by matching with the functions of the shock absorption springs 105.

Example 2:

referring to fig. 2 and 3, this embodiment differs from the first embodiment in that: the upper surface of buffer board 107, the medial surface of two sets of limiting plates 9 all are equipped with the slipmat, and the slipmat has played anti-skidding effect, avoids the elevator car 2 position skew between buffer board 107, the two sets of limiting plates 9.

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

Claims

1. The utility model provides an elevator maintenance is with car stop device, includes elevator shaft (1) and elevator car (2), its characterized in that: the elevator shaft is characterized in that the bottom of the elevator shaft (1) is provided with a bearing plate (3), the middle of the lower surface of the bearing plate (3) is provided with a stepping motor (4), the output end of the stepping motor (4) is provided with a rotating shaft, the top of the rotating shaft is rotationally connected with the top wall of an inner cavity of the bearing plate (3) through a bearing, a rotating gear (5) is sleeved on the rotating shaft, the outer wall of the rotating gear (5) is meshed with two groups of movable toothed plates (6), the outer ends of the upper surfaces of the two groups of movable toothed plates (6) are respectively provided with a linkage piece (7), grooves (8) are respectively formed in the two ends of the upper surface of the bearing plate (3), the grooves (8) are in sliding connection with the linkage pieces (7), limit plates (9) are respectively arranged at the tops of the two groups of the linkage pieces (7), and a buffer assembly (10) is further arranged on the upper surface of the bearing plate (3) and comprises a buffer plate (107).

2. The car stop device for elevator maintenance according to claim 1, wherein: the buffer assembly (10) further comprises a telescopic column (100), the telescopic column (100) is located in the middle of the upper surface of the bearing plate (3), a damping spring (101) is sleeved on the outer wall of the telescopic column (100), and the top of the telescopic column (100) is connected with the lower surface of the buffer plate (107).

3. The car stop device for elevator maintenance according to claim 1, wherein: the buffer assembly (10) further comprises two groups of bottom plates (102), and the two groups of bottom plates (102) are respectively positioned on two sides of the upper surface of the bearing plate (3).

4. A car stop device for elevator maintenance according to claim 3, wherein: the two groups of bottom plates (102) are internally provided with sliding grooves (103), sliding seats (104) are connected in a sliding mode in the sliding grooves (103), connecting rods (106) are connected to the tops of the sliding seats (104), and the tops of the connecting rods (106) are connected with the lower surface of the bearing plate (3).

5. The elevator car stop device for elevator maintenance as defined in claim 4, wherein: a damping spring (105) is arranged between the inner wall of the sliding groove (103) and the outer side surface of the sliding seat (104).

6. The car stop device for elevator maintenance according to claim 1, wherein: the upper surface of the buffer plate (107) and the inner side surfaces of the two groups of limiting plates (9) are respectively provided with an anti-slip pad.