CN219384396U

CN219384396U - Backing plate device of construction elevator car

Info

Publication number: CN219384396U
Application number: CN202320064590.9U
Authority: CN
Inventors: 庞虎; 刘丹丹; 黄旭; 马博文; 郭永堂; 谢思雨; 武华; 张勇; 王岩; 张陆达; 陈全程
Original assignee: TIANBAO CONSTRUCTION GROUP CO LTD
Current assignee: TIANBAO CONSTRUCTION GROUP CO LTD
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-21
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a backing plate device for a construction elevator car, which comprises an upper door leaf and a lower door leaf which are arranged on the elevator car, wherein a transmission mechanism for driving the upper door leaf and the lower door leaf to move simultaneously is arranged on the elevator car; the bottom plate of the lift car is rotatably provided with a base plate, the top end of the base plate is erected on the lower door leaf and is in sliding connection with the lower door leaf, and the base plate is erected on the floor after being opened. The construction elevator car backing plate device can solve the problem that the existing elevator car backing plate cannot be well overlapped with a working floor, and the working stability of the backing plate is affected.

Description

Backing plate device of construction elevator car

Technical Field

The utility model relates to the technical field of building construction elevators, in particular to a backing plate device of a construction elevator car.

Background

In the building construction process, an elevator car is required to be arranged on the outer surface of the building with a relatively regular outer elevation, and a passageway frame is erected between floors to serve as a passageway between a construction elevator and an operation floor. Considering the needs of structure formwork and safety, a gap of about 150mm is reserved between the construction elevator and the corridor frame, so that the transportation of mechanical equipment and materials is inconvenient, and certain potential safety hazards exist.

The prior patent CN215946448U discloses an automatic shrinkage pedal device for a building construction elevator, which comprises a base plate, wherein a sliding plate capable of extending out of the base plate is arranged in a sliding manner, the sliding plate is in transmission fit with the left side of an elevator door through a first transmission structure, the sliding plate is driven to slide into the base plate in the at least partial descending path of the elevator door, the sliding plate is in transmission fit with the right side of the elevator door through a second transmission structure, the sliding plate can be driven to slide out of the base plate in the at least partial ascending path of the elevator door, and the sliding plate is driven to automatically extend and retract when the elevator door is opened or closed. However, in the patent, the sliding plate horizontally extends or retracts, the sliding plate is easy to interfere with the operation floor, and the sliding plate cannot be effectively overlapped with the operation floor, so that the stability of the operation of the sliding plate is affected.

Disclosure of Invention

The utility model aims to provide a construction elevator car backing plate device, which solves the problems that the existing elevator car backing plate cannot be well overlapped with a working floor and the working stability of the backing plate is affected.

In order to achieve the aim, the utility model provides a backing plate device for a construction elevator car, which comprises an upper door leaf and a lower door leaf which are arranged on the car, wherein a transmission mechanism for driving the upper door leaf and the lower door leaf to move simultaneously is arranged on the car; the bottom plate of the lift car is rotatably provided with a base plate, the top end of the base plate is erected on the lower door leaf and is in sliding connection with the lower door leaf, and the base plate is erected on the floor after being opened.

Preferably, guide wheels are rotatably arranged on two sides of the upper door leaf and the lower door leaf, guide rails are arranged on the side walls of the lift car, and the guide wheels are positioned in the guide rails.

Preferably, both ends of the upper door leaf and the lower door leaf are provided with limiting blocks.

Preferably, a supporting seat is arranged on the bottom plate of the lift car, and two ends of a rotating shaft fixedly arranged at one end of the backing plate are rotatably connected with the supporting seat.

Preferably, a roller is arranged at one side of the top end of the backing plate, which is close to the lower door leaf, a groove is arranged on the lower door leaf, and the roller is positioned in the groove.

Preferably, the floor slab is provided with a buffer cushion which has a buffer effect on the cushion plate.

Preferably, a plurality of ribs are arranged on the lower surface of the backing plate.

Preferably, the transmission mechanism comprises a pulley I arranged on the upper part of the car, a pulley II and a pulley III arranged on the lower part of the car, one end of the traction rope is fixedly connected with the bottom end of the upper door leaf, the traction rope sequentially winds around the pulley I, the pulley II and the pulley III, and the other end of the traction rope is fixedly connected with the bottom end of the lower door leaf.

According to the backing plate device for the backing plate of the construction elevator car, the backing plate is arranged in the car and is opened or closed in a rotating mode, the backing plate can be well lapped on a floor, and the working stability of the backing plate is guaranteed. The top of the backing plate is propped against the lower door leaf, and when the lower door leaf is opened or closed, the backing plate is driven to be automatically opened or closed, and the opening and closing operation of the backing plate is convenient.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

Fig. 1 is a schematic view of an embodiment of a construction elevator car pad device of the present utility model;

fig. 2 is a schematic view showing an opened state of a car in accordance with an embodiment of the present utility model;

fig. 3 is a schematic top view of a backing plate of an embodiment of a backing plate device for a construction elevator car according to the present utility model;

fig. 4 is a schematic diagram of a driving mechanism of an embodiment of a backing plate device for a construction elevator car according to the present utility model.

Reference numerals

1. A car; 2. an upper door leaf; 3. a lower door leaf; 4. a backing plate; 5. a support base; 6. a rotating shaft; 7. a roller; 8. a groove; 9. a limiting block; 10. a floor slab; 11. a cushion pad; 12. a pulley I; 13. a second pulley; 14. a third pulley; 15. a traction rope; 16. a guide rail; 17. and a guide wheel.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

Fig. 1 is a schematic structural view of an embodiment of a pad device for a construction elevator car according to the present utility model, fig. 2 is a schematic structural view of an opened state of a car according to an embodiment of a pad device for a construction elevator car according to the present utility model, and fig. 3 is a schematic structural view of a pad of an embodiment of a pad device for a construction elevator car according to the present utility model in a plan view. As shown in the figure, a backing plate device for a construction elevator car comprises an upper door leaf 2 and a lower door leaf 3 which are arranged on a car 1, wherein the car 1 can be in an existing car 1 structure, and can move up and down on the outer surface of a building in an existing traction mode. The upper door leaf 2 and the lower door leaf 3 are used for closing the opening of the car 1, which is close to one side of the floor slab 10, so that the safety of workers is ensured.

Fig. 4 is a schematic diagram of a driving mechanism of an embodiment of a backing plate device for a construction elevator car according to the present utility model. As shown in the figure, a driving mechanism for driving an upper door leaf 2 and a lower door leaf 3 to move simultaneously is arranged on a car 1. The transmission mechanism comprises a pulley I12 arranged on the upper part of the outer side wall of the car 1, a pulley II 13 and a pulley III 14 arranged on the lower part of the car 1, and the pulley I12, the pulley II 13 and the pulley III 14 are all in rotary connection with the car 1. One end of the traction rope 15 is fixedly connected with a fixed pin arranged at the bottom end of the upper door leaf 2. The traction rope 15 sequentially winds the pulley I12, the pulley II 13 and the pulley III 14, and the other end of the traction rope 15 is fixedly connected with a fixed pin arranged at the bottom end of the lower door leaf 3. The side wall of the car 1 is provided with a guide groove for the fixing pin to pass through and slide.

Guide wheels 17 are rotatably arranged on two sides of the upper door leaf 2 and the lower door leaf 3, guide rails 16 are arranged on the side walls of the car 1, and the guide wheels 17 are positioned in the guide rails 16. The guide pulley 17 has a guiding function for the movement of the upper door leaf 2 and the lower door leaf 3. Both ends of the upper door leaf 2 and the lower door leaf 3 are provided with limiting blocks 9. The arrangement of the limiting block 9 prevents the upper door leaf 2 and the lower door leaf 3 from slipping off the car 1.

A backing plate 4 is rotatably arranged on the bottom plate of the car 1. The bottom plate of the car 1 is fixedly provided with a supporting seat 5, and two ends of a rotating shaft 6 fixedly arranged at one end of a backing plate 4 are rotatably connected with the supporting seat 5 through bearings, so that the bottom end of the backing plate 4 is rotatably connected with the car 1.

The top end of the backing plate 4 is erected on the lower door leaf 3 and is connected with the lower door leaf 3 in a sliding way. The top of backing plate 4 is provided with gyro wheel 7 near one side of lower door leaf 3, is provided with recess 8 on the lower door leaf 3, and gyro wheel 7 is located recess 8, and gyro wheel 7 and recess 8 roll connection reduce the frictional force between backing plate 4 and the lower door leaf 3. The pad 4 is erected on the floor 10 after being opened. The floor 10 is provided with a rubber cushion pad 11 for cushioning the pad 4. The lower surface of the base plate 4 is provided with a plurality of reinforcing ribs, so that the supporting strength of the base plate 4 is improved.

In the embodiment, the backing plate 4 is a patterned steel plate with the thickness of 2mm, and has better friction force. Flat steel is welded on the backing plate 4 to serve as a reinforcing rib. The width of the pad 4 is 200mm smaller than the inner width of the car 1 and the length of the pad 4 is 650mm so that the pad 4 is sufficiently erected on the floor 10.

When the door is used, the lower door leaf 3 is pulled downwards, and the lower door leaf 3 drives one end of the traction rope 15 to move downwards through the fixing pin, so that the other end of the traction rope 15 is driven to move upwards, and the upper door leaf 2 is driven to move upwards, so that the upper door leaf 2 and the lower door leaf 3 are opened; in the opening process of the lower door leaf 3, the top end of the base plate 4 slides along the lower door leaf 3 until the lower door leaf 3 is completely opened, and the base plate 4 is horizontally supported on the floor slab 10, so that the base plate 4 is automatically opened. When the door is closed, the upper door leaf 2 is pulled downwards, one end of the traction rope 15 connected with the upper door leaf 2 moves downwards, and the other end of the traction rope 15 moves upwards, so that the lower door leaf 3 is driven to move upwards, and the upper door leaf 2 and the lower door leaf 3 are closed; in the upward moving process of the lower door leaf 3, the base plate 4 is supported to rotate upwards, the base plate 4 leaves the floor 10, and the base plate 4 slides on the lower door leaf 3, so that the base plate 4 is retracted into the car 1, and the base plate 4 is automatically closed. The base plate 4 is opened or closed in a rotating mode, the base plate 4 can be well lapped on the floor slab 10, and the working stability of the base plate 4 is ensured.

Therefore, the utility model adopts the construction elevator car backing plate device, and can solve the problems that the existing elevator car backing plate cannot be well overlapped with a working floor, and the working stability of the backing plate is affected.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A construction elevator car backing plate device, its characterized in that: the elevator comprises an upper door leaf and a lower door leaf which are arranged on a car, wherein a transmission mechanism for driving the upper door leaf and the lower door leaf to move simultaneously is arranged on the car; the bottom plate of the lift car is rotatably provided with a base plate, the top end of the base plate is erected on the lower door leaf and is in sliding connection with the lower door leaf, and the base plate is erected on the floor after being opened.

2. The construction elevator car gasket device of claim 1, wherein: guide wheels are rotatably arranged on two sides of the upper door leaf and the lower door leaf, guide rails are arranged on the side walls of the lift car, and the guide wheels are located in the guide rails.

3. The construction elevator car gasket device of claim 1, wherein: limiting blocks are arranged at two ends of the upper door leaf and the lower door leaf.

4. The construction elevator car gasket device of claim 1, wherein: the bottom plate of car is provided with the supporting seat, and the pivot both ends that backing plate one end was fixed to be set up are rotated with the supporting seat and are connected.

5. The construction elevator car gasket device of claim 1, wherein: the top of backing plate is close to one side of lower door leaf and is provided with the gyro wheel, is provided with the recess on the lower door leaf, and the gyro wheel is located the recess.

6. The construction elevator car gasket device of claim 1, wherein: and the floor slab is provided with a buffer cushion which has a buffer effect on the base plate.

7. The construction elevator car gasket device of claim 1, wherein: the lower surface of the backing plate is provided with a plurality of reinforcing ribs.

8. The construction elevator car gasket device of claim 1, wherein: the transmission mechanism comprises a pulley I arranged on the upper portion of the car, a pulley II and a pulley III arranged on the lower portion of the car, one end of the traction rope is fixedly connected with the bottom end of the upper door leaf, the traction rope sequentially winds around the pulley I, the pulley II and the pulley III, and the other end of the traction rope is fixedly connected with the bottom end of the lower door leaf.