CN210655947U

CN210655947U - Lifting device for circuit breaker

Info

Publication number: CN210655947U
Application number: CN201921025549.0U
Authority: CN
Inventors: 李晓武; 王立德; 李俊堂; 文超; 王彪; 周金刚; 龙理晴; 林文哲; 王青; 周兴
Original assignee: State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd; Maintenance Co of State Grid Hunan Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd; Maintenance Co of State Grid Hunan Electric Power Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-06-02
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a hoisting device for circuit breaker, including relative two side bearers, stay cord and the hoist engine that set up, be connected with the roof-rack between the top of two side bearers, the below of roof-rack is equipped with the pull rod, and the one end of stay cord is connected with the middle part of pull rod, and the other end puts through the central point of roof-rack and is connected with the hoist engine, and the both ends of pull rod all are connected with the first hook pendant that is used for the hook circuit breaker's hooking hole, are equipped with two at least second hook pendants that are used for hook circuit breaker bottom on the pull rod between two first hook pendants. This a hoisting device for circuit breaker has advantages such as labour saving and time saving and security height.

Description

Lifting device for circuit breaker

Technical Field

The utility model relates to a power equipment technical field especially relates to a hoisting device for circuit breaker.

Background

When the chassis of the domestic 10kV middle-placed switch cabinet breaker in a 10kV high-voltage chamber of a transformer substation breaks down, a delivery supporting vehicle can be used to drag the breaker out of the switch cabinet, wherein the breaker comprises two types of the breaker with the width of 800mm and the breaker with the width of 1000mm, the first breaker is shown in figures 1 and 2, the second breaker is shown in figure 3, hook holes 5 are formed in two sides of the two breakers, the breaker is large in size and weight, when the breaker is moved onto the supporting vehicle and moved off from the supporting vehicle, the breaker needs to be lifted up by direct action of a plurality of workers, the breaker is easy to topple over, harm is brought to personal safety of a carrying worker, and equipment damage can be caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a high hoisting device for circuit breaker of labour saving and time saving and security.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a hoisting device for circuit breaker, is connected with the roof-rack including relative two side bearers, stay cord and the hoist engine that set up between the top of two side bearers, the below of roof-rack is equipped with the pull rod, the one end of stay cord with the middle part of pull rod is connected, and the other end process the central point of roof-rack puts with the hoist engine is connected, the both ends of pull rod all are connected with the first hook pendant that is used for the hooker circuit breaker's hooker hole, be equipped with two at least second hook pendants that are used for the hooker circuit breaker bottom on the pull rod between two first hook pendants.

As a further improvement of the above technical solution:

the first hook hanging piece comprises a first chain and a first hook part, the first hook part is connected with the pull rod through the first chain, the second hook hanging piece comprises a second chain and a second hook part, and the second hook part is connected with the pull rod through the second chain.

The side frame comprises a seat frame and lifting frames, the lifting frames are arranged on the seat frame in a sliding mode, locking pieces used for locking the lifting frames on the seat frame are arranged on the seat frame, and the top frame is connected between the tops of the two lifting frames.

The center position of roof-rack is equipped with first fixed pulley, the stay cord is around locating on the first fixed pulley.

The hoisting machine is arranged on any one of the seat frames, the top frame is provided with a second fixed pulley above the hoisting machine, and the pull rope is wound on the second fixed pulley.

The foldable bicycle frame is characterized by further comprising a reinforcing beam, wherein one end of the reinforcing beam is detachably connected with one side edge of one seat frame, and the other end of the reinforcing beam is detachably connected with the other side edge of the other seat frame.

The two ends of the reinforcing beam are provided with U-shaped clamping grooves, and the end part of the reinforcing beam is clamped with the side edge of the seat frame through the U-shaped clamping grooves.

Two locking parts are installed on the side wall of the U-shaped clamping groove.

Each top of seat frame all is equipped with the overlap joint roof beam, the width of overlap joint roof beam is less than the width of U-shaped draw-in groove.

The bottom parts of the two side frames are provided with movable wheels.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a hoisting device for circuit breaker is connected with the roof-rack including relative two side bearers that set up, stay cord and hoist engine between the top of two side bearers, and the below of roof-rack is equipped with the pull rod, and the one end of stay cord is connected with the middle part of pull rod, and the other end puts through the central point of roof-rack and is connected with the hoist engine, and the both ends of pull rod all are connected with the first hook pendant that is used for the hook circuit breaker's hook to connect the hole, are equipped with two at least second hook pendants that are used for hook circuit breaker bottom on the pull rod between two first hook. When the circuit breaker is used, the circuit breaker is placed below the pull rod, the first hook hanger at one end of the pull rod is hooked in the hooking hole at one side of the circuit breaker, the first hook hanger at the other end of the pull rod is hooked in the hooking hole at the other side of the circuit breaker, meanwhile, each second hook hanger is hooked at the bottom of the circuit breaker, at the moment, the winch is started, the pull rope is wound by the winch, the circuit breaker is driven to ascend by the pull rope through the pull rod, the first hook hangers and the second hook hangers, after the bottom surface of the circuit breaker is higher than the trailer, the winch is stopped to run, the trailer is pushed to the position under the circuit breaker, and then the winch is started to slowly put down the circuit breaker to the trailer; otherwise, the circuit breaker is lowered from the cart. Promote the circuit breaker through this hoisting device, labour saving and time saving, the security is high.

Drawings

Fig. 1 is a schematic top view of a first circuit breaker.

Fig. 2 is a schematic side view of a first circuit breaker.

Fig. 3 is a schematic side view of a second circuit breaker.

Fig. 4 is a schematic perspective view of the lifting device for a circuit breaker in a first state according to the present invention.

Fig. 5 is a schematic perspective view of the lifting device for a circuit breaker in a second state according to the present invention.

Fig. 6 is a schematic perspective view of the lifting device for a circuit breaker in a third state at a first viewing angle.

Fig. 7 is a schematic perspective view of the lifting device for a circuit breaker at a second viewing angle in a third state.

Fig. 8 is a schematic perspective view of a reinforcing beam in a lifting device for a circuit breaker according to the present invention.

The reference numerals in the figures denote:

1. a side frame; 11. a top frame; 12. a first fixed pulley; 13. a second fixed pulley; 14. overlapping the beams; 15. a third fixed pulley; 16. a seat frame; 161. a square groove pipe; 17. a lifting frame; 171. a lifting rod; 18. a locking member; 2. pulling a rope; 3. a winch; 4. a pull rod; 41. a first hook member; 411. a first chain; 412. a first hook portion; 42. a second hook member; 421. a second chain; 422. a second hook portion; 5. hooking holes; 6. a reinforcing beam; 61. a U-shaped clamping groove; 7. a locking member; 8. the wheel is moved.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As shown in fig. 4 and 5, the lifting device for a circuit breaker of this embodiment includes two side frames 1, a pull rope 2 and a winch 3, which are oppositely disposed, an upper frame 11 is connected between tops of the two side frames 1, a pull rod 4 is disposed below the upper frame 11, one end of the pull rope 2 is connected with a middle portion of the pull rod 4, the other end of the pull rod is connected with the winch 3 through a center of the upper frame 11, two ends of the pull rod 4 are both connected with first hooks 41 for hooking the hook holes 5 of the circuit breaker, and at least two second hooks 42 for hooking the bottom of the circuit breaker are disposed on the pull rod 4 between the two first hooks 41. In the structure, the top frame 11 is four parallel cross bars, when in use, firstly as shown in fig. 4, when the pull rod 4 is in a low position state (i.e. the lifting device is in a first state), the circuit breaker is placed below the pull rod 4, the first hooking part 41 at one end of the pull rod 4 is hooked in the hooking hole 5 at one side of the circuit breaker, the first hooking part 41 at the other end of the pull rod 4 is hooked in the hooking hole 5 at the other side of the circuit breaker, meanwhile, each second hooking part 42 is hooked at the bottom of the circuit breaker, at this time, the winch 3 is started, the winch 3 winds up the pull rope 2, the pull rope 2 drives the circuit breaker to ascend through the pull rod 4, the first hooking part 41 and the second hooking part 42, when the bottom surface of the circuit breaker is higher than the supporting car, i.e. when the pull rod 4 is in a high position as shown in fig. 5 (the lifting device is in a second state), the winch 3 is stopped to run, and the supporting car is pushed, then the winch 3 is started to slowly put down the breaker to the trailer; otherwise, the circuit breaker is lowered from the cart. Promote the circuit breaker through this hoisting device, labour saving and time saving, the security is high.

In this embodiment, the first hook hanging member 41 includes the first chain 411 and the first hook portion 412, and the first hook portion 412 is connected to the pull rod 4 through the first chain 411, so as to improve the position adjustment performance of the first hook portion 412, and meanwhile, the structure is simple and the cost is low.

In this embodiment, the second hook 42 includes a second chain 421 and a second hook 422, and the second hook 422 is connected to the pull rod 4 through the second chain 421, so as to improve the position adjustment of the second hook 422, and meanwhile, the structure is simple and the cost is low. Wherein, first chain 411 and second chain 421 are the iron chain that the ring buckled mutually, conveniently adjust the length of iron chain.

In this embodiment, the side frame 1 includes a seat frame 16 and a lifting frame 17, the lifting frame 17 is slidably disposed on the seat frame 16, a locking member 18 for locking the lifting frame 17 on the seat frame 16 is disposed on the seat frame 16, and the top frame 11 is connected between tops of the two lifting frames 17. Specifically, the seat frame 16 has two vertically arranged square groove pipes 161, the lifting frame 17 has two vertically arranged lifting rods 171, the two lifting rods 171 are correspondingly inserted into the two square groove pipes 161, so that the lifting rods 171 can slide along the inner cavity of the square groove pipes 161, locking pieces 18 are arranged on the square groove pipes 161, the locking pieces 18 are locking bolts, the lifting frame 17 can be lowered to a low position when not used, and transportation of the lifting device is facilitated.

In this embodiment, the first fixed pulley 12 is disposed at the center of the top frame 11, the pull rope 2 is wound on the first fixed pulley 12, and specifically, the first fixed pulley 12 is disposed between the middle portions of the two middle cross rods, which is simple in structure and low in cost.

In this embodiment, the hoist 3 is mounted on any one of the seat frames 16, the top frame 11 is provided with a second fixed pulley 13 above the hoist 3, the pull rope 2 is wound on the second fixed pulley 13, specifically, the second fixed pulley 13 is mounted between the ends of the two middle cross rods, the structure is simple, the cost is low, and meanwhile, the hoist 3 is mounted at the lower part of the seat frame 16, so that the installation and adjustment are convenient.

In the embodiment, the portable power circuit breaker further comprises a reinforcing beam 6, one end of the reinforcing beam 6 is detachably connected with one side of one seat frame 16, the other end of the reinforcing beam is detachably connected with the other side of the other seat frame 16, the reinforcing beam 6 improves the stability of the whole framework, meanwhile, the reinforcing beam 6 is arranged on the side of the seat frame 16, the entering of the circuit breaker and the riding car is not affected, and the reinforcing beam 6 is detachable and can be detached when needed to meet the notification requirements of the circuit breaker and the riding car.

In this embodiment, as shown in fig. 8, the two ends of the reinforcing beam 6 are both provided with U-shaped slots 61, and the end of the reinforcing beam 6 is clamped with the side of the seat frame 16 through the U-shaped slots 61, so that the assembly and disassembly are simple.

In this embodiment, locking pieces 7 are installed on the side walls of the two U-shaped slots 61, the locking pieces 7 are locking bolts, the locking bolts are in threaded connection with the side walls of the U-shaped slots 61, the locking bolts are screwed, the bottom ends of the locking bolts abut against the side frame 1 to lock the stiffening beam 6 and the seat frame 16, and the operation is convenient.

In this embodiment, the top of each seat frame 16 is provided with the bridging beam 14, and the width of bridging beam 14 is less than the width of U-shaped draw-in groove 61, specifically, all be provided with a bridging beam 14 between the top of two square groove pipes 161 of each seat frame 16 for stiffening beam 6 can overlap joint between two bridging beams 14, is used for temporarily supporting the circuit breaker, and simultaneously, is equipped with third fixed pulley 15 on the bridging beam 14 directly over hoist 3, and stay cord 2 is around locating on third fixed pulley 15, prevents the interference of bridging beam 14 to stay cord 2.

In this embodiment, the bottom of two side frames 1 all is equipped with movable wheel 8, specifically, both sides all are equipped with movable wheel 8 around the bottom of seat frame 16 of every side frame 1, and movable wheel 8 is the conventional universal wheel that takes the brake, makes things convenient for this hoisting device whole to move to the workplace, fixes the universal wheel with the brake during the use.

As shown in fig. 6 and 7, the utility model discloses a state (lifting device is in the third state promptly) that is used for the hoisting device of circuit breaker promoting circuit breaker to peak, the overlap joint has two stiffening beams 6 between two overlap joint roof beams 14, and these 6 intervals of two stiffening beams set up, and are located the circuit breaker under, at this moment, can start hoist engine 3 and place the circuit breaker temporarily on two stiffening beams 6, wait pushing of trailer again, prevent that the circuit breaker from rocking and causing the accident to drop at the peak.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. A lifting device for a circuit breaker, characterized by: including two side bearer (1), stay cord (2) and hoist engine (3) that set up relatively, be connected with roof-rack (11) between the top of two side bearer (1), the below of roof-rack (11) is equipped with pull rod (4), the one end of stay cord (2) with the middle part of pull rod (4) is connected, and the other end process the central point of roof-rack (11) put with hoist engine (3) are connected, the both ends of pull rod (4) all are connected with first hook (41) of hooking hole (5) that are used for the hook circuit breaker, be equipped with two at least second hook (42) that are used for hook circuit breaker bottom on pull rod (4) between two first hook (41).

2. The lifting device for a circuit breaker according to claim 1, wherein: the first hook hanging piece (41) comprises a first chain (411) and a first hook part (412), the first hook part (412) is connected with the pull rod (4) through the first chain (411), the second hook hanging piece (42) comprises a second chain (421) and a second hook part (422), and the second hook part (422) is connected with the pull rod (4) through the second chain (421).

3. The lifting device for a circuit breaker according to claim 2, wherein: the side frame (1) comprises a seat frame (16) and a lifting frame (17), the lifting frame (17) is slidably arranged on the seat frame (16), a locking piece (18) used for locking the lifting frame (17) on the seat frame (16) is arranged on the seat frame (16), and the top frame (11) is connected between the tops of the two lifting frames (17).

4. The lifting device for a circuit breaker according to claim 3, wherein: the center position of roof-rack (11) is equipped with first fixed pulley (12), stay cord (2) around locating on first fixed pulley (12).

5. The lifting device for a circuit breaker according to claim 4, wherein: the hoisting machine (3) is arranged on any one of the seat frames (16), the top frame (11) is provided with a second fixed pulley (13) above the hoisting machine (3), and the pull rope (2) is wound on the second fixed pulley (13).

6. The lifting device for a circuit breaker according to claim 3, wherein: the novel bicycle frame is characterized by further comprising a reinforcing beam (6), wherein one end of the reinforcing beam (6) is detachably connected with one side edge of one seat frame (16), and the other end of the reinforcing beam is detachably connected with the other side edge of the other seat frame (16).

7. The lifting device for a circuit breaker according to claim 6, wherein: two ends of the reinforcing beam (6) are provided with U-shaped clamping grooves (61), and the end part of the reinforcing beam (6) is clamped with the side edge of the seat frame (16) through the U-shaped clamping grooves (61).

8. The lifting device for a circuit breaker according to claim 7, wherein: locking pieces (7) are arranged on the side walls of the two U-shaped clamping grooves (61).

9. The lifting device for a circuit breaker according to claim 7, wherein: the top of each seat frame (16) is provided with an overlapping beam (14), and the width of each overlapping beam (14) is smaller than that of the U-shaped clamping groove (61).

10. The lifting device for a circuit breaker according to any one of claims 1 to 9, wherein: the bottoms of the two side frames (1) are provided with moving wheels (8).