Lifting device for electrical equipment maintenance

Abstract

The utility model relates to the technical field of electrical equipment maintenance, in particular to a lifting device for electrical equipment maintenance, which comprises a supporting transverse plate mounted at the top of a lifting machine body and a protective fence arranged on the supporting transverse plate. A clamping assembly used for locking the movable fence on the protective fence is arranged at one end of the movable fence, the clamping assembly comprises a limiting vertical groove integrally formed in one end of the movable fence and two symmetrically-arranged limiting clamping grooves formed in one end of the protective fence, and movable clamping blocks are arranged on the inner sides of the two limiting clamping grooves respectively. According to the utility model, maintenance personnel can quickly open the fence without manual operation, so that the operation time of the maintenance personnel can be saved, and the maintenance personnel can enter a working state more quickly, especially in an emergency maintenance scene, the saving of time is crucial, and the maintenance efficiency is improved. The situation that a fence of an existing lifting device is inconvenient to open, and use of maintenance personnel is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment maintenance technical field especially, relates to a lifting device for electrical equipment maintenance. BACKGROUND

[0002] When the maintenance personnel carry out the inspection, maintenance, repairation etc. of electrical equipment in the high place or the place difficult to contact, usually use the lifting device to promote the maintenance personnel a certain height to maintain, the existing lifting device top will install the protection fence that one end can lock to guarantee the safety during maintenance, but the protection fence of current lifting device top mostly needs the maintenance personnel to open the protection fence manually, and the switch of protection fence is usually in the middle position, needs the maintenance personnel to bend down even to squat to open, leads to the operation of opening the protection fence to be inconvenient, brings certain trouble to the use of maintenance personnel, and the practicality is poor. SUMMARY

[0003] In order to overcome the insufficient of prior art, the utility model provides a lifting device for electrical equipment maintenance, solves the problem that the protection fence of prior art is inconvenient to open and affects the use of maintenance personnel.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A kind of lifting device for electrical equipment maintenance, including the support horizontal plate of installation in the top of lifter body, and the protection fence of setting on support horizontal plate, the end of protection fence is provided with movable fence, and the end of movable fence is provided with clamping assembly for locking it on protection fence, clamping assembly includes the limit vertical groove of being integrally formed in the end of movable fence, and two symmetrical limit clamping slots being opened in the end of protection fence, the inner side of two limit clamping slots is respectively provided with movable clamping block, the end of movable clamping block extends to limit vertical groove by penetrating the end of movable fence, and the end of movable clamping block and the end of protection fence are respectively provided with matching inclined surface, the inner side of limit vertical groove is provided with pulling assembly for synchronously pulling two movable clamping blocks and moving out from two limit clamping slots respectively.

[0006] Further, the pulling assembly includes movable vertical rod that is slidably arranged in the inner side of limit vertical groove, and limit sliding slot that is respectively opened in the bottom end of movable fence two sides and is communicated with limit vertical groove, the top of movable clamping block is provided with rotating horizontal shaft that is rotatable with the inner wall of movable fence by bearing, gear one and gear two are respectively fixedly arranged on rotating horizontal shaft, the bottom of gear one is engaged with fixed rack one of movable clamping block, the side of gear two is engaged with fixed rack two of movable vertical rod, and fixed rack one and fixed rack two are perpendicular to each other.

[0007] Further, the bottom end of the movable vertical rod is fixedly provided with a connecting sliding block inside the limiting vertical slot, both ends of the connecting sliding block are fixedly provided with movable plates, and the bottom of the connecting sliding block is fixedly provided with a limiting spring fixed with the movable fence.

[0008] Further, the bottom of the movable clamping block is provided with a limiting baffle fixed with the movable fence, and one end of the movable clamping block in the limiting vertical slot is fixedly provided with a reset spring fixed with the movable fence.

[0009] Further, the other end of the movable fence is provided with limiting blocks fixed with the protective fence on both sides, and a supporting column penetrating through one side of the movable fence and rotationally connected with the movable fence is fixed between the two limiting blocks.

[0010] By the above technical scheme, the utility model provides a lifting device for electrical equipment maintenance, compared with the prior art, at least has the following beneficial effects:

[0011] 1、The utility model discloses a clamping assembly can be separated from the movable fence and the protective fence quickly, and the maintenance personnel can open the movable fence by stepping and pulling the assembly to pull two movable clamping blocks out of two limiting clamping slots respectively, which helps the maintenance personnel to open the fence quickly, and the operation time of the maintenance personnel can be saved, so that they can enter the working state more quickly, especially in the emergency maintenance scene, the time saving is very important, and the situation that the fence of the existing lifting device is inconvenient to open and affects the use of the maintenance personnel is avoided.

[0012] 2、The utility model discloses two movable clamping blocks are inserted into two limiting clamping slots on the protective fence respectively, the movable fence is clamped on the protective fence, the movable fence is more fixed on the protective fence, and the safety of the lifting device is improved. DRAWINGS

[0013] The drawings explained here are used to provide further understanding of the application, constitute a part of the application, the illustrative embodiment of the application and its explanation are used to explain the application, and do not constitute improper limitation to the application.

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the opening state schematic diagram of the movable fence of the utility model;

[0016] Figure 3 It is the side surface perspective sectional view of the movable fence of the utility model;

[0017] Figure 4 It is the explosion schematic diagram of the movable fence of the utility model;

[0018] Figure 5 For Figure 3 A part structure of the enlarged schematic view of;

[0019] Figure 6 For Figure 4 B part structure of the enlarged schematic view of.

[0020] Figure: 1, the elevator body; 2, support horizontal plate; 3, protective fence; 4, movable fence;

[0021] 5, clamping assembly; 51, limit vertical slot; 52, limit clamping groove; 53, movable clamping block; 54, limit baffle; 55, reset spring;

[0022] 56, pulling assembly; 561, movable vertical rod; 562, rotating horizontal shaft; 563, gear one; 564, gear two; 565, rack one; 566, rack two; 567, connecting slider; 568, movable plate; 569, limit spring;

[0023] 6, limit block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The lifting device can provide smooth lifting operation, can conveniently send maintenance personnel and tools to the position of high electrical equipment, has strong mobility, is suitable for wide range of electrical equipment maintenance work, and is especially suitable for power facilities and substation sites.

[0026] Since the switch of the traditional protective fence 3 is usually in the middle position, the maintenance personnel need to bend down or even squat to open it, so that the operation of opening the protective fence 3 is more troublesome. In order to be able to quickly open the protective fence 3, so that the staff can more quickly carry out necessary electrical equipment maintenance, such as Figure 1 - Figure 6 As shown in the figure, a lifting device for electrical equipment maintenance is provided, which is composed of an elevator body 1, a support horizontal plate 2, a protective fence 3 and a movable fence 4. The support horizontal plate 2 is installed at the top of the elevator body 1 for supporting the maintenance personnel to facilitate their maintenance of electrical equipment. The protective fence 3 is arranged around the top of the support horizontal plate 2. The movable fence 4 is installed at one end position of the protective fence 3. The cross section of the protective fence 3 is provided in a U shape. The movable fence 4 and the protective fence 3 form a circle of safety fence, which guarantees the safety during maintenance.

[0027] The other end of the movable fence 4 is provided with a limiting block 6 fixed with the protective fence 3, and a supporting column is fixed between the two limiting blocks 6 and penetrates through one side of the movable fence 4 and is rotationally connected with the movable fence 4, so that the movable fence 4 can rotate around the supporting column, and the movable fence 4 can be opened and closed flexibly and conveniently.

[0028] A clamping assembly 5 is arranged at one end of the movable fence 4 and is used for locking the movable fence 4 on the protective fence 3, the clamping assembly 5 comprises a limiting vertical groove 51 integrally formed at one end of the movable fence 4, and two symmetrical limiting clamping grooves 52 arranged at one end of the protective fence 3, the inner sides of the two limiting clamping grooves 52 are respectively provided with movable clamping blocks 53, one end of each movable clamping block 53 penetrates through one end of the movable fence 4 and extends into the limiting vertical groove 51, and the one end of each movable clamping block 53 and the one end of the protective fence 3 are respectively provided with matching inclined surfaces, the bottom of each movable clamping block 53 is provided with a limiting baffle 54 fixed with the movable fence 4, one end of each movable clamping block 53 located in the limiting vertical groove 51 is fixed with a reset spring 55 fixed with the movable fence 4, when each movable clamping block 53 contacts the one end of the protective fence 3, the movable clamping block 53 is pushed to move, the movable clamping block 53 presses the reset spring 55, the reset spring 55 is elastically deformed and compressed, then the movable clamping block 53 continues to move, the movable clamping block 53 moves to be matched with the limiting clamping groove 52, the reset spring 55 restores the elastic deformation to push the movable clamping block 53 into the limiting clamping groove 52, and the movable fence 4 can be clamped on the protective fence 3.

[0029] The inner side of the limiting vertical groove 51 is provided with a pulling assembly 56 used for synchronously pulling the two movable clamping blocks 53 to move out of the two limiting clamping grooves 52, the pulling assembly 56 comprises a movable vertical rod 561 slidingly arranged in the inner side of the limiting vertical groove 51, and limiting sliding grooves respectively arranged at the two sides of the bottom end of the movable fence 4 and communicated with the limiting vertical groove 51, the top of each movable clamping block 53 is provided with a rotating horizontal shaft 562 rotationally arranged with the inner wall of the movable fence 4 through a bearing, the rotating horizontal shaft 562 is respectively fixedly provided with a gear one 563 and a gear two 564, the bottom of the gear one 563 is meshingly provided with a rack one 565 fixed with the movable clamping block 53, one side of the gear two 564 is meshingly provided with a rack two 566 fixed with the movable vertical rod 561, and the rack one 565 and the rack two 566 are perpendicular to each other, the bottom end of the movable vertical rod 561 is fixedly provided with a connecting sliding block 567 in the inner side of the limiting vertical groove 51, and the two ends of the connecting sliding block 567 are respectively fixed with movable plates 568, and the movable plates 568 arranged at the two sides can make it more convenient and fast to enter and exit the protective fence 3, and the operation is more flexible.

[0030] When it is needed to pull out the movable block 53 from the limiting slot 52, the maintenance personnel steps down the movable plate 568, the movable plate 568 drives the movable vertical rod 561 to move downwards, the movable vertical rod 561 drives the gear two 564 to rotate through the rack two 566, the gear two 564 drives the gear one 563 to rotate through the rotating horizontal shaft 562, the gear one 563 drives the movable block 53 to move through the rack one 565, so that the movable block 53 moves out of the limiting slot 52, the bottom of the connecting sliding block 567 is fixed with the limiting spring 569 fixed with the movable fence 4, the limiting spring 569 helps the connecting sliding block 567 to reset.

[0031] During the actual use of the lifting device, the maintenance personnel who need to carry out electrical equipment maintenance get on the supporting horizontal plate 2, and then rotate the movable fence 4 around the supporting column, so that the two movable blocks 53 at one end of the movable fence 4 are in contact with one end of the protective fence 3, the movable blocks 53 are pushed to move to the inside of the limiting vertical groove 51, the movable blocks 53 press the reset spring 55, the reset spring 55 is compressed to be elastically deformed, then the movable fence 4 drives the movable blocks 53 to continue to move, so that the movable blocks 53 move to match the limiting slot 52, the reset spring 55 restores the elastic deformation to drive the movable blocks 53 to enter the limiting slot 52, that is, the movable fence 4 can be clamped on the protective fence 3, then the maintenance personnel can safely carry out the equipment maintenance operation.

[0032] When the maintenance is completed, the maintenance personnel steps down the movable plate 568, the movable plate 568 drives the movable vertical rod 561 at one end thereof to move downwards, the movable vertical rod 561 drives the two rack two 566 thereon to move downwards, the two rack two 566 respectively drive the two gear two 564 to rotate, the gear two 564 drives the rotating horizontal shaft 562 at the shaft center thereof to rotate, the rotating horizontal shaft 562 drives the gear one 563 thereon to rotate, the gear one 563 drives the rack one 565 engaged therewith to move, the rack one 565 drives the movable block 53 to move on the limiting baffle 54, so that the movable block 53 moves out of the limiting slot 52, that is, the movable fence 4 can be opened.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An elevating device for electrical equipment maintenance, comprising a support horizontal plate (2) installed on the top of an elevator body (1), and a protective fence (3) arranged on the support horizontal plate (2), characterized in that: One end of the protective fence (3) is provided with a movable fence (4), and one end of the movable fence (4) is provided with a clamping assembly (5) for locking it on the protective fence (3); The clamping assembly (5) comprises a limiting vertical groove (51) integrally formed at one end of the movable fence (4), and two symmetrically arranged limiting clamping grooves (52) opened at one end of the protective fence (3), the inner sides of the two limiting clamping grooves (52) are respectively provided with movable clamping blocks (53), one end of the movable clamping block (53) extends into the limiting vertical groove (51) through one end of the movable fence (4), and one end of the movable clamping block (53) and one end of the protective fence (3) are respectively provided with matching inclined surfaces, and the inner side of the limiting vertical groove (51) is provided with a pulling assembly (56) for synchronously pulling the two movable clamping blocks (53) to move out of the two limiting clamping grooves (52).

2. The lift device for electrical equipment maintenance according to claim 1, characterized in that: The pulling assembly (56) comprises a movable vertical rod (561) slidingly arranged in the inner side of the limiting vertical groove (51), and limiting sliding grooves respectively opened at the bottom of one end of the movable fence (4) on both sides and communicating with the limiting vertical groove (51).

3. The lift device for electrical equipment maintenance according to claim 2, characterized in that: The top of the movable clamping block (53) is provided with a rotating horizontal shaft (562) rotating with the inner wall of the movable fence (4) through a bearing, and gear one (563) and gear two (564) are respectively fixedly arranged on the rotating horizontal shaft (562).

4. The lift device for electrical equipment maintenance according to claim 3, characterized in that: The bottom of the gear one (563) is engaged with a fixed gear rack one (565) of the movable clamping block (53), and the side of the gear two (564) is engaged with a fixed gear rack two (566) of the movable vertical rod (561), and the gear rack one (565) and the gear rack two (566) are perpendicular to each other.

5. The lift device for electrical equipment maintenance according to claim 4, characterized in that: The bottom end of the movable vertical rod (561) is fixedly provided with a connecting sliding block (567) in the inner side of the limiting vertical groove (51), the two ends of the connecting sliding block (567) are respectively fixed with movable plates (568), and the bottom of the connecting sliding block (567) is fixed with a limiting spring (569) fixed with the movable fence (4).

6. The lift device for electrical equipment maintenance according to claim 1, characterized in that: The bottom of the movable clamping block (53) is provided with a limiting baffle (54) fixed with the movable fence (4), and one end of the movable clamping block (53) in the limiting vertical groove (51) is fixed with a reset spring (55) fixed with the movable fence (4).

7. The lift device for electrical equipment maintenance according to claim 1, characterized in that: The other end of the movable fence (4) is respectively provided with a limiting block (6) fixed with the protective fence (3) on both sides, and a supporting column penetrating through one side of the movable fence (4) and rotationally connected with the movable fence (4) is fixed between the two limiting blocks (6).

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