Lifting device for electrical maintenance

Abstract

The utility model discloses a lifting device for electrical maintenance, and relates to the technical field of electrical maintenance, the lifting device comprises a first support and a second support, the upper end of the first support and the upper end of the second support are both symmetrically provided with two extension plates, a transverse plate is jointly installed between the two extension plates on the same side, and the two ends of the transverse plate are both rotatably connected with fixing shafts; the two fixing shafts are fixedly connected with the two extending plates, limiting ring plate structures are installed at the upper ends of the two transverse plates, a cushion is jointly installed at the upper ends of the two limiting ring plate structures, and a closing plate is fixedly installed at the ends, away from the cushion, of any two fixing shafts on the same side. By arranging a series of structures, the maintenance requirements of electrical equipment at different positions are met, the probability that a user can replace different types of crawling ladders is reduced, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

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

[0002] Electrical equipment is the general term of generator, transformer, power line, circuit breaker and other equipment in power system.

[0003] Because the installation position of different electrical equipment is different, when the electrical equipment is maintained, the user often needs to change the position by lifting device, and then reaches the position of electrical equipment, the conventional lifting device includes lifting ladder, lifting platform etc., wherein the lifting ladder can be composed of two supports, the user can change the highest point of the ladder by changing the inclination angle between the two supports, to facilitate the maintenance of electrical equipment, but such ladder often can only maintain the electrical equipment located on the top of the house, for the electrical equipment close to the wall, often needs to carry other types of ladder to maintain, more types of ladders are replaced and used, and the replacement process occupies more time cost of the user. SUMMARY

[0004] The utility model discloses a lifting device for electrical maintenance, to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lifting device for electrical maintenance, including first support and second support, the upper end of first support and second support is symmetrically installed with two extension plate, the both sides two extension plate are jointly installed with the transverse plate, both ends of transverse plate are rotatably connected with fixed shaft, two fixed shafts are fixedly connected between two extension plates, the upper end of two transverse plates is installed with the limit ring plate structure, the upper end of two limit ring plate structures is jointly installed with the cushion, the end of any both sides two fixed shafts away from the cushion is fixedly installed with the closed plate, and the end of another both sides two fixed shafts away from the cushion is fixedly connected with the through shaft, the surface of two through shafts is jointly sleeved with the limit connecting plate.

[0006] Preferably, the surface of the limit connecting plate is symmetrically provided with two through holes, and the two through holes are rotatably connected with the two through shafts.

[0007] Preferably, the end of the through shaft away from the cushion is installed with a limit gear, the end of the limit gear away from the through shaft is fixedly installed with a mounting plate, the surface of the mounting plate is provided with a plurality of limit holes, and the horizontal positions of the plurality of limit holes and the sawtooth positions of the limit gear are staggered.

[0008] Preferably, the inside of the plurality of limiting holes is mounted with a limiting rod, the end of the plurality of limiting rods away from the cushion is commonly mounted with a push-pull plate, the end of the limiting hole close to the cushion is mounted with a limiting round plate, and the limiting round plate and the push-pull plate are respectively located on the front and back sides of the mounting plate.

[0009] Preferably, the two sides of the first support are mounted with a mounting fixed plate, the two sides of the second support are mounted with a limiting fixed plate, the upper end of the limiting fixed plate is provided with a one-way open T-shaped limiting slot, the side wall of the second support is mounted with an elastic bandage towards the mounting fixed plate, the other end of the elastic bandage is mounted with a T-shaped block, and the size of the T-shaped block is matched with the size of the T-shaped limiting slot.

[0010] Preferably, the opposite ends of the lower parts of the first support and the second support are provided with friction surfaces, the left and right sides of the lower parts of the first support and the second support are mounted with a moving wheel, and the end of the moving wheel away from the friction surface extends to the outside of the first support or the second support.

[0011] Preferably, the inside of the first support and the second support comprises a plurality of transverse fixed rods and a plurality of longitudinal electric push rods, and the surface of any one of the electric push rods in the inside of the first support and the second support is provided with a control button.

[0012] Compared with the prior art, the electric maintenance lifting device has the following beneficial effects:

[0013] 1. The electric maintenance lifting device can change the height of the cushion by rotating the inclination angle between the first support and the second support, the first support and the second support can be placed on the ground in an "eight" shape when the electrical equipment below the roof is maintained, the maintenance personnel can climb onto the cushion through the first support or the second support to increase their own height, the first support and the second support can be rotated to a parallel state when the electrical equipment on the wall surface needs to be maintained, the positions of the first support and the second support are limited by the limiting ring plate structure at this time, and the end away from the cushion is leaned against the wall surface, the device is inclined on the surface of the wall at this time, the use is convenient, the maintenance requirements of electrical equipment at different positions are met, the probability that the user can replace different types of ladders is reduced, and the maintenance efficiency is improved.

[0014] 2. The electric maintenance lifting device is provided with the push-pull plate which can be pushed and pulled, when the push-pull plate drives the plurality of limiting rods to move outward, the limiting gear, the penetrating shaft and the fixed shaft can rotate with the first support or the second support at this time, when the push-pull plate drives the plurality of limiting rods to move inward, the plurality of limiting rods will stagger into the teeth of the limiting gear at this time, the limiting gear will be limited by the plurality of limiting rods at this time, cannot rotate, and further drives the penetrating shaft and the fixed shaft to be unable to rotate, so that the position of the first support or the second support is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the vertical structure schematic view of the whole structure of the utility model;

[0016] Figure 2 It is the horizontal structure schematic view of the whole structure of the utility model;

[0017] Figure 3 It is the utility model Figure 1 The enlarged view of A;

[0018] Figure 4 It is the structure schematic view of the limiting connecting plate of the utility model;

[0019] Figure 5 It is the utility model Figure 4 The enlarged view of B.

[0020] In the figure: 1, first support; 2, second support; 3, cushion; 4, limiting ring plate structure; 5, friction surface; 6, moving wheel; 7, installation fixed plate; 8, limiting fixed plate; 9, T-shaped limiting slot; 10, elastic band; 11, T-shaped block; 12, limiting connecting plate; 13, through hole; 14, fixed shaft; 15, through shaft; 16, limiting hole; 17, push-pull plate; 18, limiting rod; 19, limiting round plate; 20, mounting plate; 21, limiting gear; 22, extension plate; 23, cross plate; 24, closing plate; 25, electric push rod; 26, control button. DETAILED DESCRIPTION

[0021] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] As Figures 1 to 5As shown, the electric maintenance lifting device of the embodiment comprises a first support 1 and a second support 2, the first support 1 and the second support 2 are existing climbing type supports, a user can change his height by climbing with the first support 1 or the second support 2, the upper ends of the first support 1 and the second support 2 are symmetrically provided with two extension plates 22, the two extension plates 22 on the same side are jointly provided with a cross plate 23, the two ends of the cross plate 23 are rotatably connected with one extension plate 22 through a fixed shaft 14, the two ends of the cross plate 23 are rotatably connected with the fixed shaft 14, the two fixed shafts 14 are fixedly connected with the two extension plates 22, the extension plate 22 can drive the fixed shaft 14 to synchronously rotate at the two ends of the cross plate 23, the upper ends of the two cross plates 23 are provided with a limiting ring plate structure 4, the limiting ring plate structure 4 can limit the rotation angle of the first support 1 or the second support 2, the upper ends of the two limiting ring plate structures 4 are jointly provided with a seat cushion 3, the seat cushion 3 is a soft pad, which can facilitate the user to sit down, the ends of the two fixed shafts 14 away from the seat cushion 3 are fixedly provided with a closing plate 24, the closing plate 24 connects the two fixed shafts 14 and is rotatably connected with the fixed shaft 14, the ends of the other two fixed shafts 14 away from the seat cushion 3 are fixedly connected with a penetrating shaft 15, the surfaces of the two penetrating shafts 15 are jointly provided with a limiting connecting plate 12, and the limiting connecting plate 12 is rotatably connected with the penetrating shaft 15.

[0024] Specifically, the surface of the limiting connecting plate 12 is symmetrically provided with two penetrating holes 13, the two penetrating holes 13 are rotatably connected with the two penetrating shafts 15, the penetrating shaft 15 can rotate in the penetrating hole 13, and the penetrating shaft 15 is fixedly connected with the fixed shaft 14 and can synchronously rotate with the fixed shaft 14.

[0025] Further, the end of the penetrating shaft 15 away from the cushion 3 is provided with a limiting gear 21, the end of the limiting gear 21 away from the penetrating shaft 15 is fixedly provided with a mounting plate 20, a plurality of limiting holes 16 are formed in the surface of the mounting plate 20, the horizontal positions of the plurality of limiting holes 16 and the sawtooth positions of the limiting gear 21 are staggered with each other, one limiting rod 18 is mounted in each of the plurality of limiting holes 16, and the ends of the plurality of limiting rods 18 away from the cushion 3 are jointly provided with a push-pull plate 17. The end of the limiting hole 16 close to the cushion 3 is provided with a limiting circular plate 19, and the limiting circular plate 19 and the push-pull plate 17 are respectively located on the front and back sides of the mounting plate 20. By arranging the push-pull plate 17 which can be pushed and pulled, when the push-pull plate 17 drives the plurality of limiting rods 18 to be pulled out, at this time, the limiting gear 21, the penetrating shaft 15 and the fixed shaft 14 can rotate with the first support 1 or the second support 2. When the push-pull plate 17 drives the plurality of limiting rods 18 to move inward, the plurality of limiting rods 18 will stagger into the sawteeth of the limiting gear 21, at this time, the limiting gear 21 will be limited by the plurality of limiting rods 18 and cannot rotate, thereby driving the penetrating shaft 15 and the fixed shaft 14 to be unable to rotate, so that the position of the first support 1 or the second support 2 is fixed. It should be noted that the sawteeth of the limiting gear 21 are away from the surface of the mounting plate 20 by a certain distance, and the length of the distance is greater than the thickness of the limiting circular plate 19. When the limiting circular plate 19 moves to be attached to the mounting plate 20 with the limiting rod 18, at this time, the limiting gear 21 can rotate and will not be in contact with the limiting circular plate 19. There is a certain friction force between the limiting rod 18 and the limiting hole 16, and the limiting rod 18 can be driven to slide in the limiting hole 16 by the help of human force. Therefore, when the external force is lost, the limiting rod 18 will be relatively stable in the limiting hole 16.

[0026] Further, the two sides of the first support 1 are each provided with one mounting fixed plate 7, and the two sides of the second support 2 are each provided with one limiting fixed plate 8. The upper end of the limiting fixed plate 8 is provided with a one-way open T-shaped limiting groove 9. The side wall of the mounting fixed plate 7 towards the second support 2 is provided with an elastic band 10, and the other end of the elastic band 10 is provided with a T-shaped block 11. The size of the T-shaped block 11 is matched with the size of the T-shaped limiting groove 9. By clamping the T-shaped block 11 in the T-shaped limiting groove 9, the elastic band 10 can connect the first support 1 and the second support 2 together, thereby facilitating the user to carry the device for movement.

[0027] Further, the opposite ends of the lower parts of the first support 1 and the second support 2 are provided with friction surfaces 5, and the lower parts of the first support 1 and the second support 2 are provided with moving wheels 6 on the left and right sides, respectively, and the moving wheels 6 extend to the outside of the first support 1 or the second support 2 away from the friction surfaces 5, and when the friction surfaces 5 contact the wall, a certain friction force is increased, and the moving wheels 6 are not in contact with the wall due to the far installation position from the friction surfaces 5, and the moving wheels 6 can be conveniently moved by the user when the device is stored.

[0028] Further, the interiors of the first support 1 and the second support 2 include a plurality of transverse fixed rods and a plurality of longitudinal electric push rods 25, and any one of the electric push rods 25 in the interiors of the first support 1 and the second support 2 is provided with a control button 26, and the first support 1 and the second support 2 are composed of a plurality of fixed rods and electric push rods 25, and it should be noted that the first support 1 is provided with a detachable mobile power supply to provide power support for the electric push rods 25, and the two control buttons 26 can be used to control the extension or contraction of the electric push rods 25 in the interiors of the first support 1 or the second support 2, respectively.

[0029] The use method of the embodiment is that the height of the cushion 3 can be changed by rotating the inclination angle between the first support 1 and the second support 2, and when the electrical equipment below the roof is maintained, the first support 1 and the second support 2 can be placed in an "eight" shape on the ground, and the maintenance personnel can climb the cushion 3 through the first support 1 or the second support 2 to increase their own height, and when the electrical equipment on the wall surface needs to be maintained, the first support 1 and the second support 2 can be rotated to a parallel state, at this time, the positions of the first support 1 and the second support 2 are limited by the limiting ring plate structure 4, and the ends away from the cushion 3 are leaned against the wall surface, at this time, the device is inclined on the surface of the wall, which is convenient for the user to use, meets the maintenance requirements of electrical equipment at different positions, reduces the probability that the user can replace different types of ladders, and increases the maintenance efficiency.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An elevating device for electrical maintenance, comprising a first support (1) and a second support (2), characterized in that: The upper end of the first support (1) and the second support (2) is symmetrically provided with two extension plates (22), and the two extension plates (22) on the same side are jointly provided with a horizontal plate (23), both ends of the horizontal plate (23) are rotatably connected with a fixed shaft (14), the two fixed shafts (14) are fixedly connected between the two extension plates (22), the upper end of the two horizontal plates (23) is provided with a limiting ring plate structure (4), the upper end of the two limiting ring plate structures (4) is jointly provided with a cushion (3), and the end of the two fixed shafts (14) away from the cushion (3) is fixedly provided with a closing plate (24).

2. The electrical maintenance hoist of claim 1, wherein: The surface of the limiting connecting plate (12) is symmetrically provided with two through holes (13), and the two through holes (13) are rotatably connected with the two through shafts (15).

3. The electrical maintenance hoist of claim 1, wherein: The end of the through shaft (15) away from the cushion (3) is provided with a limiting gear (21), and the end of the limiting gear (21) away from the through shaft (15) is fixedly provided with a mounting plate (20), and the surface of the mounting plate (20) is provided with a plurality of limiting holes (16).

4. The electrical maintenance hoist of claim 3, wherein: The inside of the plurality of limiting holes (16) is provided with a limiting rod (18), and the end of the plurality of limiting rods (18) away from the cushion (3) is jointly provided with a push-pull plate (17), and the end of the limiting hole (16) close to the cushion (3) is provided with a limiting circular plate (19).

5. The electrical maintenance hoist of claim 1, wherein: The two sides of the first support (1) are provided with a mounting fixed plate (7), and the two sides of the second support (2) are provided with a limiting fixed plate (8), and the upper end of the limiting fixed plate (8) is provided with a one-way opening T-shaped limiting groove (9), and the side wall of the mounting fixed plate (7) towards the second support (2) is provided with an elastic band (10), and the other end of the elastic band (10) is provided with a T-shaped block (11), and the size of the T-shaped block (11) is matched with the size of the T-shaped limiting groove (9).

6. The electrical maintenance hoist of claim 1, wherein: The opposite ends of the lower parts of the first support (1) and the second support (2) are provided with friction surfaces (5), and the left and right sides of the lower parts of the first support (1) and the second support (2) are provided with a moving wheel (6), and the end of the moving wheel (6) away from the friction surface (5) extends to the outside of the first support (1) or the second support (2).

7. The electrical maintenance hoist of claim 1, wherein: The inside of the first support (1) and the second support (2) comprises a plurality of horizontal fixed rods and a plurality of longitudinal electric push rods (25), and the surface of any one of the electric push rods (25) in the first support (1) and the second support (2) is provided with a control button (26).

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