CN219279432U

CN219279432U - Safety maintenance frame

Info

Publication number: CN219279432U
Application number: CN202223468499.8U
Authority: CN
Inventors: 李天彤
Original assignee: Hunan Yihe Engineering Co ltd
Current assignee: Hunan Yihe Engineering Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-30
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a safety maintenance frame, which comprises a movable bottom plate and four universal wheels arranged on the lower surface of the movable bottom plate, wherein a lifting plate is arranged on the upper surface of the movable bottom plate, a manned plate is arranged on the upper surface of the lifting plate, two symmetrical guard rails are arranged on the upper surface of the manned plate, and a lifting mechanism for lifting the lifting plate is arranged on the upper surface of the movable bottom plate; the lifting mechanism comprises two symmetrical strip-shaped grooves formed in the upper surface of the movable bottom plate and a bidirectional screw rod rotatably arranged on the inner wall of the strip-shaped grooves. Compared with the prior art, the safety maintenance frame has the advantages that the lifting mechanism and the lifting assembly are arranged, so that the maintenance frame can automatically ascend to the top from the bottom of the car in the actual use process, the maintenance and replacement work of the illumination lamp can be conveniently carried out, the effective protection to the personnel can be realized under the action of the two protective barriers, and the safety is improved.

Description

Safety maintenance frame

Technical Field

The utility model relates to the technical field of elevator maintenance, in particular to a safety maintenance frame.

Background

An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line.

In the process of maintaining the elevator, especially when maintaining the light at elevator top, need use the double ladder to assist the operation of ascending a height, the in-process that the double ladder now used, personnel need step by step to ascend a height the operation, very inconvenient, lead to the staff to take place the phenomenon of falling because of the action range is too big easily, and current double ladder lacks corresponding subassembly to protect personnel moreover, has certain potential safety hazard.

For this purpose the present application proposes a safety maintenance frame.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a safety maintenance rack to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the safety maintenance frame comprises a movable bottom plate and four universal wheels arranged on the lower surface of the movable bottom plate, wherein a lifting plate is arranged on the upper surface of the movable bottom plate, a manned plate is arranged on the upper surface of the lifting plate, two symmetrical guard rails are arranged on the upper surface of the manned plate, and a lifting mechanism for lifting the lifting plate is arranged on the upper surface of the movable bottom plate;

the lifting mechanism comprises two symmetrical strip-shaped grooves formed in the upper surface of the movable bottom plate, and a bidirectional screw rod arranged on the inner wall of the strip-shaped groove in a rotating mode, a synchronous motor used for driving the bidirectional screw rod to rotate is arranged on the side face of the movable bottom plate, the lifting mechanism further comprises two symmetrical sliding blocks which are connected to the surface of the bidirectional screw rod in a threaded mode, ejector rods are arranged on the upper surfaces of the two sliding blocks in a rotating mode, and one end, away from the sliding blocks, of each ejector rod is connected with the lower surface of the lifting plate in a rotating mode.

As a still further scheme of the utility model, the sliding block is in sliding connection with the inner wall of the strip-shaped groove, and the side surface of the sliding block is provided with a threaded hole in threaded connection with the surface of the bidirectional screw rod.

As a still further aspect of the present utility model, the upper surface of the lifting plate is provided with a lifting assembly for lifting the man-carrying plate.

As a still further proposal of the utility model, the lifting component comprises two symmetrical mounting holes arranged on the upper surface of the lifting plate and a hydraulic push rod fixedly arranged on the inner wall of the mounting holes, the pushing end of the hydraulic push rod is fixedly connected with the lower surface of the manned plate, and the upper surface of the movable bottom plate is provided with a through hole corresponding to the hydraulic push rod.

As still further aspects of the present utility model, the lower surface of the movable floor is provided with a positioning mechanism in the car for positioning the movable floor.

As a still further scheme of the utility model, the positioning mechanism comprises a rectangular groove formed in the lower surface of the movable bottom plate and a double-shaft motor fixedly arranged on the inner wall of the rectangular groove, wherein the two output ends of the double-shaft motor are fixedly provided with threaded columns, the threaded directions of the two threaded columns are opposite, the surface of the threaded column is in threaded connection with a movable plate which is in sliding connection with the inner wall of the rectangular groove, the side surface of the movable plate is fixedly provided with a positioning rod, and the end part of the positioning rod is fixedly provided with an anti-skid pad.

As a still further scheme of the utility model, the side surface of the movable bottom plate is respectively provided with a push handle and a movable power supply box.

Advantageous effects

The utility model provides a safety maintenance frame, which has the following technical effects:

1. compared with the prior art, the safety maintenance frame has the advantages that the lifting mechanism and the lifting assembly are arranged, so that the maintenance frame can automatically ascend to the top from the bottom of the car in the actual use process, the maintenance and replacement work of the illumination lamp can be conveniently carried out, the effective protection to the personnel can be realized under the action of the two protective barriers, and the safety is improved.

2. Compared with the prior art, the safety maintenance frame realizes the purpose of automatically and effectively positioning the maintenance frame by arranging the positioning mechanism, improves the stability of the maintenance frame when in use in an elevator car, and further improves the safety.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic rear view of the present utility model.

Fig. 3 is a schematic view of the bottom structure of the present utility model.

The reference numerals are: 1. a movable bottom plate; 2. a universal wheel; 3. a lifting plate; 4. a man-carrying board; 5. a guard rail; 6. a bidirectional screw rod; 7. a synchronous motor; 8. a sliding block; 9. a push rod; 10. a hydraulic push rod; 11. a biaxial motor; 12. a threaded column; 13. a moving plate; 14. a positioning rod; 15. an anti-slip pad; 16. a pushing handle; 17. and a mobile power supply box.

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

A safety maintenance frame as shown in fig. 1 and 2 comprises a movable bottom plate 1 and four universal wheels 2 arranged on the lower surface of the movable bottom plate 1, wherein a push handle 16 and a movable power supply box 17 are respectively arranged on the side surface of the movable bottom plate 1.

The upper surface of the movable bottom plate 1 is provided with a lifting plate 3, the upper surface of the lifting plate 3 is provided with a manned plate 4, and the upper surface of the lifting plate 3 is provided with a lifting component for lifting the manned plate 4.

The lifting assembly comprises two symmetrical mounting holes formed in the upper surface of the lifting plate 3 and a hydraulic push rod 10 fixedly arranged on the inner wall of the mounting holes, the pushing end of the hydraulic push rod 10 is fixedly connected with the lower surface of the manned plate 4, and a through hole corresponding to the hydraulic push rod 10 is formed in the upper surface of the movable bottom plate 1.

The upper surface of the manned plate 4 is provided with two symmetrical guard rails 5, and the upper surface of the movable bottom plate 1 is provided with a lifting mechanism for lifting the lifting plate 3;

the lifting mechanism comprises two symmetrical strip-shaped grooves formed in the upper surface of the movable bottom plate 1 and a bidirectional screw rod 6 rotatably arranged on the inner wall of the strip-shaped grooves, a synchronous motor 7 used for driving the bidirectional screw rod 6 to rotate is arranged on the side surface of the movable bottom plate 1, the lifting mechanism further comprises two symmetrical sliding blocks 8 which are in threaded connection with the surface of the bidirectional screw rod 6, the sliding blocks 8 are in sliding connection with the inner wall of the strip-shaped grooves, and threaded holes in threaded connection with the surface of the bidirectional screw rod 6 are formed in the side surface of the sliding blocks 8.

The upper surfaces of the two sliding blocks 8 are both rotatably provided with ejector rods 9, and one end, far away from the sliding blocks 8, of each ejector rod 9 is rotatably connected with the lower surface of the lifting plate 3.

Wherein: compared with the prior art, through setting up lifting mechanism and lifting unit, make this maintenance frame at in-service use's in-process, personnel can step on manned board 4, and drive bi-directional lead screw 6 through the synchronous rotation of two synchronous motor 7 and rotate, bi-directional lead screw 6's rotation drives two sliding blocks 8 and removes to the centre simultaneously, thereby realize upwards moving to lifting board 3 through ejector pin 9, and then lift up the personnel, lift up the back simultaneously, can drive manned board 4 upwards moving through hydraulic push rod 10's extension, make the personnel can rise to the top from the car bottom voluntarily, be convenient for maintain the change work to the illumination lamp, can realize the effective protection to personnel under the effect of two rail guards 5 moreover, the security has been improved.

Example 2

A safety maintenance frame as shown in fig. 3 is provided, on the basis of embodiment 1, with a positioning mechanism in a car for positioning the movable floor 1 on the lower surface of the movable floor 1.

The positioning mechanism comprises a rectangular groove formed in the lower surface of the movable bottom plate 1 and a double-shaft motor 11 fixedly arranged on the inner wall of the rectangular groove, wherein two output ends of the double-shaft motor 11 are fixedly provided with threaded columns 12, the threaded directions of the two threaded columns 12 are opposite, the surface of each threaded column 12 is in threaded connection with a movable plate 13 which is in sliding connection with the inner wall of the rectangular groove, the side surface of each movable plate 13 is fixedly provided with a positioning rod 14, and the end part of each positioning rod 14 is fixedly provided with a non-slip mat 15.

Wherein: compared with the prior art, through setting up positioning mechanism, make this maintenance frame in the in-process that removes to the elevator and use, can drive screw thread post 12 through the rotation of biax motor 11 and rotate, screw thread post 12's rotation drives movable plate 13 and removes, and the removal of movable plate 13 drives two locating levers 14 and the both sides inner wall in the elevator car and supports tightly, and then realizes the purpose of automatic effective location to this maintenance frame, has improved the stability of this maintenance frame when using in the elevator car, has further improved the security.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a safety maintenance frame, includes movable bottom plate (1) and sets up four universal wheels (2) at movable bottom plate (1) lower surface, its characterized in that: the lifting device is characterized in that a lifting plate (3) is arranged on the upper surface of the movable bottom plate (1), a manned plate (4) is arranged on the upper surface of the lifting plate (3), two symmetrical guard rails (5) are arranged on the upper surface of the manned plate (4), and a lifting mechanism for lifting the lifting plate (3) is arranged on the upper surface of the movable bottom plate (1);

lifting mechanism is including seting up at two symmetrical bar grooves of removal bottom plate (1) upper surface to and rotate and set up two-way lead screw (6) at bar inslot wall, and the side of removal bottom plate (1) is provided with and is used for driving two-way lead screw (6) pivoted synchronous motor (7), lifting mechanism still includes threaded connection at two symmetrical sliding blocks (8) on two-way lead screw (6) surface, and the upper surface of two sliding blocks (8) all rotates and is provided with ejector pin (9), and one end that sliding block (8) were kept away from to ejector pin (9) is rotated with the lower surface of lifting board (3) and is connected.

2. A safety maintenance rack as claimed in claim 1, wherein: the sliding block (8) is in sliding connection with the inner wall of the strip-shaped groove, and a threaded hole in threaded connection with the surface of the bidirectional screw rod (6) is formed in the side face of the sliding block (8).

3. A safety maintenance rack as claimed in claim 1, wherein: the upper surface of the lifting plate (3) is provided with a lifting component for lifting the manned plate (4).

4. A safety maintenance rack as claimed in claim 3, wherein: the lifting assembly comprises two symmetrical mounting holes formed in the upper surface of the lifting plate (3) and a hydraulic push rod (10) fixedly arranged on the inner wall of the mounting holes, the pushing end of the hydraulic push rod (10) is fixedly connected with the lower surface of the manned plate (4), and through holes corresponding to the hydraulic push rod (10) are formed in the upper surface of the movable bottom plate (1).

5. A safety maintenance rack as claimed in claim 1, wherein: the lower surface of the movable bottom plate (1) is provided with a positioning mechanism in the car for positioning the movable bottom plate (1).

6. A safety maintenance rack as set forth in claim 5, wherein: the positioning mechanism comprises a rectangular groove formed in the lower surface of the movable bottom plate (1), and a double-shaft motor (11) fixedly arranged on the inner wall of the rectangular groove, wherein the two output ends of the double-shaft motor (11) are fixedly provided with threaded columns (12), the threaded directions of the two threaded columns (12) are opposite, the surface of the threaded column (12) is in threaded connection with a movable plate (13) which is in sliding connection with the inner wall of the rectangular groove, the side surface of the movable plate (13) is fixedly provided with a positioning rod (14), and the end part of the positioning rod (14) is fixedly provided with an anti-slip pad (15).

7. A safety maintenance rack according to any one of claims 1 to 6, wherein: the side surface of the movable bottom plate (1) is respectively provided with a push handle (16) and a movable power supply box (17).