Safe hoisting mechanism for high-altitude electric power overhaul

Abstract

The utility model belongs to the technical field of electric power equipment, and particularly relates to a safety hoisting mechanism for high-altitude electric power overhaul, which comprises a walking chassis, a telescopic frame and a top plate, the telescopic frame is mounted on the walking chassis, the top plate is mounted at the top of the telescopic frame, an insulating pad is laid on the upper surface of the top plate, and an insulating lifting basket is mounted on the insulating pad. Storage grooves are formed in the surfaces of the two sides of the walking chassis, fixing plates are arranged in inner cavities of the storage grooves in a sliding mode, first hydraulic rods are installed at the tops of the inner cavities of the storage grooves, and second hydraulic rods are installed on the upper surfaces of the fixing plates; the bottom of the insulating lifting basket is connected with the top plate through the insulating pad, the insulating pad and the insulating lifting basket are made of insulating materials, the electric shock phenomenon can be avoided, the safety during electric power overhaul is improved, meanwhile, the balancing weight is pushed out and makes contact with the ground, the two sides of the walking chassis can be supported, the grounding area of the walking chassis is increased, and the service life of the walking chassis is prolonged. And the stability of the hoisting machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric power equipment technical field, concretely is a safe hoist mechanism for high altitude electric power maintenance. BACKGROUND

[0002] Electric power maintenance is mainly divided into the following maintenance parts: power generation part, power supply part, power transformation part and power distribution part, and each part is responsible by special personnel. It is mainly responsible for daily equipment installation and maintenance, fault elimination, line inspection and the like. The occupation of maintaining power grid and its accessory equipment has high professional requirement and certain danger. Electric power maintenance needs to use lifting machine.

[0003] The existing lifting machine is counterweighted through its counterweight structure after lifting, and the weight in the lifting basket is increased when the lifting machine lifts electric power accessories, so that the gravity center is raised, which easily causes the lifting machine to shake or even tilt. Moreover, the lifting basket is made of metal material and does not have insulation, which will increase the danger during use. To solve the above problems, the safe hoist mechanism for high altitude electric power maintenance is provided in the application. SUMMARY

[0004] (I) Utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides a safe hoist mechanism for high altitude electric power maintenance, the bottom of the insulated lifting basket is connected with the top plate through the insulating pad, the insulating pad and the insulated lifting basket are made of insulating material, which can avoid electric shock and improve the safety during electric power maintenance. At the same time, the counterweight block is pushed out and contacts with the ground, which can support the two sides of the walking chassis and increase the grounding area of the walking chassis, thereby improving the stability of the lifting machine and solving the problems in the background art.

[0006] (II) Technical scheme

[0007] To solve the above technical problems, the utility model provides a safe hoist mechanism for high altitude electric power maintenance, which comprises a walking chassis, an extension frame and a top plate, the extension frame is installed on the walking chassis, the top plate is installed on the top of the extension frame, the upper surface of the top plate is paved with an insulating pad, and an insulated lifting basket is installed on the insulating pad.

[0008] The surfaces of the two sides of the walking chassis are both provided with receiving grooves, the receiving grooves are provided with fixed plates which are slidably arranged in the receiving groove cavities, a first hydraulic rod is installed on the top of the receiving groove cavity, second hydraulic rods are installed on the upper surfaces of the fixed plates, the piston rods of the second hydraulic rods are both penetrated through the cavity walls of the fixed plates, and the piston rod ends of the second hydraulic rods are connected with counterweight blocks, and the width of the fixed plate is greater than the width of the counterweight block.

[0009] Preferably, the bottom guide seat is integrally formed at the bottom of the counterweight.

[0010] Preferably, the bottom guide groove is formed at the bottom of the receiving groove.

[0011] Preferably, the bottom guide groove is formed at the bottom of the receiving groove.

[0012] Preferably, the side wall guide seat is integrally formed at both ends of the fixed plate, and the side guide groove is formed at both sides of the inner wall of the receiving groove.

[0013] Preferably, the empty slot is formed at the top of the receiving groove, and the second hydraulic rod is retracted into the empty slot after the counterweight is reset.

[0014] Preferably, the ladder is welded at the end of the top plate.

[0015] The above technical scheme of the utility model has the following beneficial technical effects:

[0016] 1. The utility model discloses an insulating lifting basket bottom is connected with the top plate through an insulating pad, and the insulating pad and the insulating lifting basket are all of insulating material, so that electric shock can be avoided, and the safety during electric power maintenance can be improved.

[0017] 2. The utility model discloses a first hydraulic rod is controlled to extend, and the first hydraulic rod pushes out the counterweight, and the second hydraulic rod can make the counterweight descend and make the counterweight contact the ground when the second hydraulic rod extends, and the second hydraulic rod and the counterweight are matched, can support both sides of the walking chassis, and improve the grounding area of the walking chassis, and the stability of the lifting machine. DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model discloses a kind of safety lifting mechanism for high-altitude electric power maintenance;

[0019] Figure 2 It is the counterweight unfolded structure schematic view of the utility model discloses a kind of safety lifting mechanism for high-altitude electric power maintenance;

[0020] Figure 3 It is the counterweight storage structure schematic view of the utility model discloses a kind of safety lifting mechanism for high-altitude electric power maintenance;

[0021] Figure 4 It is the counterweight drive structure schematic view of the utility model discloses a kind of safety lifting mechanism for high-altitude electric power maintenance.

[0022] Reference signs:

[0023] 1, walking chassis; 2, telescopic frame; 3, top plate; 4, insulating pad; 5, insulating lifting basket; 6, ladder; 7, storage groove; 8, counterweight; 9, fixed plate; 10, No. 1 hydraulic rod; 11, connecting seat; 12, No. 2 hydraulic rod; 13, side wall guide seat; 14, bottom guide seat; 15, empty slot; 16, side guide groove; 17, bottom guide groove; 18, guide flared. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] As Figures 1-4 shown, the utility model provides a safe lifting mechanism for high altitude electric power maintenance, including walking chassis 1, telescopic frame 2 and top plate 3, telescopic frame 2 is installed on walking chassis 1, top plate 3 is installed on the top of telescopic frame 2, the upper surface of top plate 3 is paved with insulating pad 4, and insulating lifting basket 5 is installed on insulating pad 4.

[0026] The both sides surfaces of walking chassis 1 are provided with storage groove 7, fixed plate 9 is slidably arranged in the inner cavity of storage groove 7, No. 1 hydraulic rod 10 is installed on the inner cavity top of storage groove 7, No. 2 hydraulic rod 12 is installed on the upper surface of fixed plate 9, the piston rod of No. 2 hydraulic rod 12 penetrates the cavity wall of fixed plate 9, and the piston rod end of No. 2 hydraulic rod 12 is connected with counterweight 8, and the width of fixed plate 9 is greater than the width of counterweight 8.

[0027] It should be noted that telescopic frame 2 pushes top plate 3 to lift, which can lift insulating lifting basket 5, the bottom of insulating lifting basket 5 is connected with top plate 3 through insulating pad 4, and insulating pad 4 and insulating lifting basket 5 are both insulating materials, which can avoid electric shock phenomenon and improve the safety during electric power maintenance.

[0028] By controlling the extension of the first hydraulic rod 10, the first hydraulic rod 10 can push the fixed plate 9 out of the storage groove 7 through the connecting seat 11. The side wall guiding seat 13 and the side part guiding groove 16 are matched, which can guide the movement of the fixed plate 9. The bottom part guiding groove 17 and the bottom part guiding seat 14 are matched, which can guide the movement of the counterweight 8. By pushing the counterweight 8 out, the stability of the lifting machine can be improved. Meanwhile, the extension of the second hydraulic rod 12 can make the counterweight 8 descend and make the counterweight 8 contact with the ground. The second hydraulic rod 12 and the counterweight 8 are matched, which can support the two sides of the running chassis 1 and improve the ground contact area of the running chassis 1, so as to further improve the stability of the lifting machine

[0029] In the embodiment, as shown in Figure 3 , the bottom part guiding seat 14 is integrally formed at the bottom of the counterweight 8. The bottom part guiding seat 14 is symmetrically arranged. The bottom part guiding groove 17 is formed at the position corresponding to the bottom part guiding seat 14 at the bottom of the inner cavity of the storage groove 7. The bottom part guiding seat 14 is slidably connected with the bottom part guiding groove 17. The guiding flares 18 are formed at the ends of the bottom part guiding groove 17.

[0030] It should be noted that the bottom part guiding seat 14 is slidably connected with the bottom part guiding groove 17, which can guide the movement of the counterweight 8. Meanwhile, the guiding flares 18 can guide the bottom part guiding seat 14, so that the bottom part guiding seat 14 can be conveniently inserted into the bottom part guiding groove 17.

[0031] In the embodiment, as shown in Figure 3 and Figure 4 , the side wall guiding seats 13 are integrally formed at the two ends of the fixed plate 9. The side part guiding grooves 16 are formed at the positions corresponding to the side wall guiding seats 13 at the two sides of the inner wall of the storage groove 7. The side wall guiding seats 13 are slidably connected with the side part guiding grooves 16.

[0032] It should be noted that the side wall guiding seats 13 are slidably connected with the side part guiding grooves 16, which can guide the movement of the fixed plate 9.

[0033] In the embodiment, as shown in Figure 4 , the emptying groove 15 is formed at the position corresponding to the second hydraulic rod 12 at the top of the inner cavity of the storage groove 7. The second hydraulic rod 12 is retracted into the emptying groove 15 after the counterweight 8 is reset. The connecting seat 11 is connected with the piston rod end of the first hydraulic rod 10. The connecting seat 11 is welded on the surface of the fixed plate 9.

[0034] It should be noted that the emptying groove 15 can store the second hydraulic rod 12, so that the counterweight 8 can be conveniently stored. Meanwhile, the piston rod end of the first hydraulic rod 10 is connected with the fixed plate 9 through the connecting seat 11, so that the fixed plate 9 can be pushed out of the storage groove 7 when the first hydraulic rod 10 is extended.

[0035] In the embodiment, as shown in Figure 1 The end of the top plate 3 is welded with a ladder 6.

[0036] It should be noted that the ladder 6 facilitates the entry and exit of the insulated lifting basket 5

[0037] The working principle and use process of the utility model are as follows: the telescopic frame 2 pushes the top plate 3 to lift, the insulated lifting basket 5 can be lifted, the bottom of the insulated lifting basket 5 is connected with the top plate 3 through the insulating pad 4, the insulating pad 4 and the insulated lifting basket 5 are all insulating materials, the electric shock phenomenon can be avoided, the safety during power maintenance is improved, after the insulated lifting basket 5 is lifted, the first hydraulic rod 10 is controlled to be elongated, the first hydraulic rod 10 can push the fixing plate 9 out of the storage groove 7 through the connecting seat 11, the side direction groove 16 and the side wall direction seat 13 are matched, the movement of the fixing plate 9 can be guided, the bottom direction groove 17 and the bottom direction seat 14 are matched, the movement of the counterweight 8 can be guided, the stability of the lifting machine can be improved by pushing the counterweight 8 out, at the same time, the second hydraulic rod 12 is elongated, the counterweight 8 can be lowered, and the counterweight 8 is in contact with the ground, the second hydraulic rod 12 and the counterweight 8 are matched, the two sides of the walking chassis 1 can be supported, the grounding area of the walking chassis 1 is improved, and the stability of the lifting machine can be further improved.

[0038] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims or the equivalent form of such scope and boundary.

Claims

1. A safety hoisting mechanism for high-altitude power maintenance, comprising a walking chassis (1), an extension frame (2) and a top plate (3), the extension frame (2) is installed on the walking chassis (1), and the top plate (3) is installed on the top of the extension frame (2), characterized in that, The top plate (3) upper surface is paved with insulation pad (4), and the insulation lifting basket (5) is installed on the insulation pad (4). The walking chassis (1) is provided with a receiving groove (7) on the surface of both sides, a fixed plate (9) is slidably arranged in the receiving groove (7), a first hydraulic rod (10) is arranged on the top of the receiving groove (7), a second hydraulic rod (12) is arranged on the upper surface of the fixed plate (9), the piston rod of the second hydraulic rod (12) penetrates the cavity wall of the fixed plate (9), and the piston rod end of the second hydraulic rod (12) is connected with a counterweight (8), and the width of the fixed plate (9) is greater than the width of the counterweight (8).

2. The safety hoisting mechanism for aerial power maintenance according to claim 1, characterized in that, The counterweight (8) is integrally formed with a bottom guide seat (14), and the bottom guide seat (14) is symmetrically arranged.

3. The safety hoisting mechanism for aerial power maintenance according to claim 2, characterized in that, The bottom of the receiving groove (7) is provided with a bottom guide groove (17) corresponding to the position of the bottom guide seat (14), and the bottom guide seat (14) and the bottom guide groove (17) are slidably connected.

4. The safety hoisting mechanism for aerial power maintenance according to claim 3, characterized in that, The end of the bottom guide groove (17) is provided with a guide flared portion (18).

5. The safety hoisting mechanism for aerial power maintenance according to claim 4, characterized in that, The fixed plate (9) is integrally formed with a side wall guide seat (13) at both ends, the inner wall of the receiving groove (7) is provided with a side guide groove (16) corresponding to the position of the side wall guide seat (13), and the side wall guide seat (13) and the side guide groove (16) are slidably connected.

6. The safety hoisting mechanism for aerial power maintenance according to claim 5, characterized in that, The top of the receiving groove (7) is provided with an empty slot (15) corresponding to the position of the second hydraulic rod (12), the second hydraulic rod (12) is retracted into the empty slot (15) after the counterweight (8) is reset, the piston rod end of the first hydraulic rod (10) is connected with a connecting seat (11), and the connecting seat (11) is welded on the surface of the fixed plate (9).

7. The safety hoisting mechanism for aerial power maintenance according to claim 6, characterized in that, The top plate (3) is welded with a ladder (6) at the end.

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