CN220652770U - Circuit breaker overhauls appurtenance - Google Patents

Abstract

The utility model discloses an auxiliary tool for overhauling a circuit breaker, which relates to the technical field of overhauling of circuit breakers and comprises a supporting component, a telescopic component, an adjusting component and a bearing component; the support assembly comprises a support underframe, and the telescopic assembly comprises a first telescopic piece and a second telescopic piece; the adjusting assembly comprises a first adjusting piece, and the first adjusting piece is hinged with the first telescopic piece; the bearing assembly comprises a first bearing piece, a first positioning piece and a second positioning piece; the first positioning piece and the second positioning piece are parallel to the horizontal plane; through setting up the support chassis, provide the support basis for whole device, guarantee stability, rotate along the support chassis through first regulating part adjustment first carrier, and under the promotion of second extensible member, make first setting element, second setting element and the bolt hole connection on the circuit breaker end cover, provide the bearing basis to the end cover of circuit breaker, thereby on transferring the weight of end cover to the support chassis, provide stable support for the end cover, need not the manpower and lift, avoid the end cover landing to cause the damage.

Description

Circuit breaker overhauls appurtenance

Technical Field

The utility model relates to the technical field of circuit breaker overhaul, in particular to an auxiliary tool for circuit breaker overhaul.

Background

The two ends of the 500kV breaker are respectively provided with an end cover with the weight of 65 kilograms, the diameter is 70 cm, the center point is 1.75 meters away from the ground, the outer surface of the end cover is provided with an explosion-proof membrane, an inflation inlet and a density relay, the inner surface of the end cover is smooth and flat, and a disposable sealing ring is arranged (such as uncovering maintenance must be replaced), so that the end cover has the advantages of heavy weight, large volume, no handle on the surface and higher position, and brings much inconvenience and safety risks to maintenance work.

4 people are closely matched in the uncapping process, 1 person is responsible for disassembling the bolts, 2 persons are responsible for lifting the bottom of the end cover, 1 person assists from the side (inserts the locating pin, places a support on the back after disconnecting and taking down, avoids damaging the density relay and the cable), and the end cover is easy to slide down in the working process, so that personal injury and equipment damage are caused.

Disclosure of Invention

The utility model mainly aims to provide an auxiliary tool for overhauling a circuit breaker, which is used for solving the problem that an end cover is easy to slide in the overhauling process due to the fact that the end cover is heavy and no force points exist in the overhauling process of the existing circuit breaker.

To achieve the above object, the present utility model provides a breaker overhaul auxiliary tool, comprising:

a support assembly including a support chassis; the support underframe is provided with a moving part;

the telescopic assembly comprises a first telescopic piece rotatably arranged on the supporting underframe and a second telescopic piece slidably arranged in the first telescopic piece;

an adjustment assembly including a first adjustment member disposed on the support chassis; the first adjusting piece is hinged with the first telescopic piece; the first adjusting piece moves away from or towards the supporting underframe under the action of external force so as to drive the first telescopic piece to rotate along the supporting underframe;

the bearing assembly comprises a first bearing piece arranged on the second telescopic piece, and a first positioning piece and a second positioning piece which are arranged on the first bearing piece in a sliding manner; the first bearing piece is arranged at the end of the second telescopic piece far away from the first adjusting piece, so that the joint of the first telescopic piece and the supporting underframe is positioned between the first bearing piece and the first adjusting piece; the first locating piece and the second locating piece are parallel to the horizontal plane.

As a further improvement of the utility model, the support underframe comprises a first frame body and support columns arranged on the first frame body; a stay bar is arranged between the first frame body and the support column.

As a further improvement of the utility model, the support column and the stay bar are obliquely arranged on the first frame body, so that a triangular stable support is formed between the support column and the stay bar.

As a further improvement of the utility model, the two sides of the support column are symmetrically provided with first support plates; the two first support plates are provided with first rotating shafts; the first telescopic piece is positioned between the two first support plates and is connected with the first rotating shaft in a rotating way.

As a further improvement of the utility model, the outer wall of the first telescopic piece is symmetrically provided with second support plates; the second support plate is provided with a second rotating shaft; the first adjusting piece is hinged with the second rotating shaft.

As a further improvement of the utility model, a stiffening assembly is also included; the stiffening component comprises a stiffening rod vertically arranged on the first telescopic piece and a stiffening plate arranged on the first telescopic piece; the both ends of stiffening plate are connected with first extensible member, and the middle part of stiffening plate is connected with the top of stiffener.

As a further improvement of the utility model, the first bearing piece is provided with a first chute; a first transmission part is arranged in the first chute; the first transmission piece is respectively connected with the first positioning piece and the second positioning piece; the first transmission piece rotates under the action of external force so as to drive the first positioning piece and the second positioning piece to move in the first sliding groove, and then the distance between the first positioning piece and the second positioning piece is adjusted.

As a further improvement of the utility model, the first transmission piece comprises a first transmission screw rod rotatably arranged in the first chute, a first sliding block and a second sliding block which are arranged on the first transmission screw rod; the first sliding block and the second sliding block are respectively arranged in the first sliding groove and are respectively connected with the first transmission screw rod through an orthodontic thread and an inverse thread; the first locating piece and the second locating piece are respectively connected with the first sliding block and the second sliding block.

As a further improvement of the utility model, a regulating and controlling component is also included; the regulating and controlling assembly comprises a mounting frame arranged on the second telescopic piece, a regulating and controlling plate arranged on the first bearing piece and a regulating and controlling screw rod arranged on the mounting frame; a regulating shaft is arranged in the mounting frame; the regulating plate is rotationally connected with the regulating shaft

As a further improvement of the utility model, the ends of the first positioning piece and the second positioning piece, which are far away from the first bearing piece, are respectively provided with a first locking piece and a second locking piece.

The beneficial effects of the utility model are as follows:

through setting up the support chassis, provide the support basis for whole device, guarantee stability, rotate along the support chassis through first regulating part adjustment first carrier, and under the promotion of second extensible member, make first setting element, second setting element and the bolt hole connection on the circuit breaker end cover, provide the bearing basis to the end cover of circuit breaker, thereby on transferring the weight of end cover to the support chassis, provide stable support for the end cover, need not the manpower and lift, avoid the end cover landing to cause the damage.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an auxiliary tool for overhauling a circuit breaker;

FIG. 2 is a schematic view of a support assembly of a breaker service aid according to the present utility model;

FIG. 3 is a schematic view of a telescopic assembly of a breaker service aid according to the present utility model;

FIG. 4 is a schematic view of a load bearing assembly structure of a breaker service aid of the present utility model;

FIG. 5 is a schematic view of a first driving member of a breaker service aid according to the present utility model;

reference numerals illustrate:

1. a support chassis; 101. a first frame body; 102. a support column; 103. a brace rod; 104. a first support plate; 105. a first rotating shaft; 106. a bottom plate; 2. a moving member; 3. a first telescopic member; 301. a second support plate; 302. a second rotating shaft; 4. a second telescopic member; 5. a first adjustment member; 6. a first carrier; 601. a first chute; 7. a first positioning member; 8. a second positioning member; 9. a stiffener; 10. stiffening plates; 11. locking a fixed stud; 12. a first drive screw; 13. a mounting frame; 14. a regulating shaft; 15. regulating and controlling a screw rod; 16. a rotating handle; 17. a regulation plate; 18. a first slider; 19. and a second slider.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. 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.

In an embodiment, referring to fig. 1, the circuit breaker maintenance auxiliary tool of the present utility model includes a support assembly, a telescopic assembly, an adjusting assembly, and a bearing assembly.

Wherein, referring to fig. 1, the support assembly comprises a support chassis 1, and a moving member 2 is arranged on the support chassis 1; the telescopic assembly comprises a first telescopic piece 3 rotatably arranged on the supporting underframe 1 and a second telescopic piece 4 slidably arranged in the first telescopic piece 3; the adjusting assembly comprises a first adjusting piece 5 arranged on the supporting underframe 1, the first adjusting piece 5 is hinged with the first telescopic piece 3, and the first adjusting piece 5 moves away from or towards the supporting underframe 1 under the action of external force so as to drive the first telescopic piece 3 to rotate along the supporting underframe 1; the bearing assembly comprises a first bearing piece 6 arranged on the second telescopic piece 4, a first positioning piece 7 and a second positioning piece 8 which are arranged on the first bearing piece 6 in a sliding manner, wherein the first bearing piece 6 is arranged at the end of the second telescopic piece 4 far away from the first adjusting piece 5, so that the joint of the first telescopic piece 3 and the supporting underframe 1 is positioned between the first bearing piece 6 and the first adjusting piece 5; the first positioning piece 7 and the second positioning piece 8 are parallel to the horizontal plane.

Preferably, the moving part 2 is a universal wheel arranged on the supporting underframe 1, a locking part is arranged on the universal wheel, and the universal wheel and the locking part are of the existing structure and are not repeated.

Specifically, referring to fig. 2, the support chassis 1 includes a first frame 101, and a support column 102 disposed on the first frame 101, and a stay 103 is disposed between the first frame 101 and the support column 102.

Preferably, the first frame 101 includes a first cross bar, a first side bar and a second side bar disposed on the first cross bar in a splayed shape, and a second cross bar disposed between the first side bar and the second side bar.

Preferably, the first cross bar is positioned at the small opening ends of the first side bar and the second side bar in an eight shape.

In the above arrangement, the large opening end of the support chassis 1 faces the operator, so that a space is reserved for the operator, and the operator can work conveniently.

Further, referring to fig. 2, the support columns 102 and the support rods 103 are all obliquely arranged on the first frame 101, so that triangular stable support is formed between the support columns 102 and the support rods 103.

Preferably, the supporting columns 102 are arranged on the second cross bar, the supporting rods 103 are arranged in two groups, and the two groups of supporting rods 103 are respectively connected with the first side rods, the second side rods and the supporting columns 102.

In the above arrangement, a stable support base is provided for the whole device by the connection between the support post 102, the stay 103 and the support chassis 1.

Further, referring to fig. 2, the two sides of the supporting column 102 are symmetrically provided with a first supporting plate 104; a first rotating shaft 105 is arranged on each of the two first support plates 104; the first telescopic member 3 is located between the two first support plates 104 and is rotatably connected to a first rotation shaft 105.

Preferably, a "U" shaped structure is formed between the first support plate 104 and the support column 102, a first rotating hole is provided on the first support plate 104, and a first rotating shaft 105 is rotatably provided in the first rotating hole.

Preferably, the first telescopic member 3 is a cuboid with two open ends and a hollow interior, a first rotating plate is arranged on the outer wall of the first telescopic member 3, a second rotating hole is arranged on the first rotating plate, and the first telescopic member 3 is rotatably connected with the first rotating shaft 105 through the second rotating hole and is arranged on the supporting column 102.

Preferably, the second telescopic member 4 is of an elongated structure; the first telescopic piece 3 is in clearance fit with the second telescopic piece 4, and a locking fixing stud 11 is arranged on the outer wall of the first telescopic piece 3.

Further, referring to fig. 3, a second support plate 301 is symmetrically arranged on the outer wall of the first telescopic member 3, and a second rotating shaft 302 is arranged on the second support plate 301; the first regulating member 5 is hinged to the second rotating shaft 302.

Preferably, the second support plate 301 is provided with a third hole, and the second rotating shaft 302 is disposed in the third rotating hole.

Preferably, the first adjusting member 5 adopts a jack, the supporting column 102 is provided with a bottom plate 106, the bottom of the first adjusting member 5 is installed on the bottom plate 106, the first adjusting member 5 is provided with a second rotating plate, the second rotating plate is provided with a fourth rotating hole, and the second rotating shaft 302 is rotatably arranged in the fourth rotating hole.

Further, referring to FIG. 3, a stiffening assembly is also included; the stiffening component comprises a stiffening rod 9 vertically arranged on the first telescopic member 3 and a stiffening plate 10 arranged on the first telescopic member 3, two ends of the stiffening plate 10 are connected with the first telescopic member 3, and the middle part of the stiffening plate 10 is connected with the top end of the stiffening rod 9.

Preferably, the stiffener 9 is welded to the first telescopic member 3; the stiffening plate 10 has a V-shaped structure, and the stiffening plate 10 is welded on the first telescopic member 3.

In the above arrangement, a stable triangular support is formed between the first adjusting member 5 and the support column 102, and between the first adjusting member 5 and the first telescopic member 3, the first telescopic member 3 is pushed to rotate along the first rotating shaft 105 by adjusting the height of the first adjusting member 5, so that the position of the first bearing member 6 on the second telescopic member 4 in the vertical direction is adjusted, and the positions of the first positioning member 7 and the second positioning member 8 in the vertical direction are further adjusted; meanwhile, in the use process, after the height of the first adjusting piece 5 is determined, the position of the first telescopic piece 3 is determined and cannot rotate along the first rotating shaft 105 under the self-locking function; a triangular stable support is formed between the stiffening plate 10 and the first telescopic member 3, so that the bearing capacity of the first telescopic member 3 is improved.

Further, referring to fig. 4, a first sliding groove 601 is formed in the first bearing member 6, a first transmission member is arranged in the first sliding groove 601 and is respectively connected with the first positioning member 7 and the second positioning member 8, and the first transmission member rotates under the action of external force so as to drive the first positioning member 7 and the second positioning member 8 to move in the first sliding groove 601, and then the distance between the first positioning member 7 and the second positioning member 8 is adjusted.

Preferably, the first carrier 6 has an elongated structure, and the first chute 601 is disposed on one side of the first carrier 6.

Further, referring to fig. 3 and 4, the device further comprises a regulating assembly, wherein the regulating assembly comprises a mounting frame 13 arranged on the second telescopic piece 4, a regulating plate 17 arranged on the first bearing piece 6 and a regulating screw 15 arranged on the mounting frame 13; the installation frame 13 is internally provided with a regulating shaft 14, and a regulating plate 17 is rotationally connected with the regulating shaft 14.

Preferably, the mounting frame 13 is a rectangular parallelepiped with a hollow interior, and two adjacent side surfaces of the mounting frame 13 are open.

Preferably, the end of the second telescopic member 4 is welded with the outer wall of the mounting frame 13; after the mounting frame 13 is connected with the second telescopic member 4, one of the open ends faces downwards, and the other open end faces towards the first bearing member 6.

Preferably, the adjusting screw 15 is disposed obliquely to the mounting frame 13.

In the above arrangement, after the first telescopic member 3 and the second telescopic member 4 rotate and incline with the horizontal plane, the first positioning member 7 and the second positioning member 8 rotate along with the second telescopic member 4 and incline with the horizontal plane, so as to ensure that the first positioning member 7 and the second positioning member 8 are horizontal with the horizontal plane, and thus the first positioning member 7 and the second positioning member 8 are more conveniently inserted into the screw hole on the end cover of the circuit breaker, and the abutting position of the end of the regulating and controlling screw 15 in the mounting frame 13 and the regulating and controlling plate 17 is controlled by rotating the regulating and controlling screw 15, so that the first positioning member 7 and the second positioning member 8 can be rotated for a certain angle along the regulating and controlling shaft 14; the angle of adjustment is limited by the length of the adjustment screw 15 and adjustment plate 7, so that fine adjustment is performed.

Further, referring to fig. 5, the first transmission member includes a first transmission screw 12 rotatably disposed in a first chute 601, a first slider 18 and a second slider 19 disposed on the first transmission screw 12, and the first slider 18 and the second slider 19 are respectively disposed in the first chute 601 and are respectively connected with the first transmission screw 12 through an orthodontic thread and an inverse thread; the first positioning piece 7 and the second positioning piece 8 are respectively connected with a first sliding block 18 and a second sliding block 19.

Preferably, the two end surfaces of the first bearing member 6 are respectively provided with a first mounting hole and a second mounting hole penetrating through the first sliding groove 601, one end of the first driving screw 12 sequentially penetrates through the first mounting hole, the first sliding groove 601 and the second mounting hole, the outer wall of the first driving screw 12 outside the first mounting hole is provided with a first baffle, and the outer wall of the first driving screw 12 outside the second mounting hole is provided with a second baffle.

Preferably, no threads are provided on the outer walls of the two ends of the first drive screw 12.

Preferably, the first sliding block 18 and the second sliding block 19 are respectively provided with a first screw hole and a second screw hole, the first driving screw 12 is connected with the first screw hole through an orthodontic thread, and the first driving screw 12 is connected with the second screw hole through an inverse thread.

Preferably, a stem 16 is also provided on one end of the first drive screw 12.

In the above arrangement, the rotation of the rotary handle 16 drives the first driving screw 12 to rotate, and the rotation direction of the rotary handle 16 is controlled to be different, and the first slide block 18 and the second slide block 19 are driven to be far away from or close to each other under the action of the threads, so that the distance between the first positioning piece 7 and the second positioning piece 8 is adjusted, the positioning of two groups of corresponding screw holes at different positions on the end cover of the circuit breaker is adapted, and simultaneously, the adjusted positions of the first slide block 18 and the second slide block 19 on the first bearing piece 6 are fixed under the limit of the first baffle and the second baffle.

Further, referring to fig. 5, the ends of the first positioning member 7 and the second positioning member 8, which are far away from the first bearing member 6, are respectively provided with a first locking member and a second locking member.

Preferably, the first positioning piece 7 and the second positioning piece 8 are both threaded rods; the first slide block 18 and the second slide block 19 can be respectively provided with connecting screw holes corresponding to the first positioning piece 7 and the second positioning piece 8, the connecting screw threads are perpendicular to the first transmission screw 12, and the first positioning piece 7 and the second positioning piece 8 are respectively connected with the first slide block 18 and the second slide block 19 through the connecting screw holes.

Preferably, the first locking member and the second locking member are nuts.

In the arrangement, the first positioning piece 7 and the second positioning piece 8 are respectively inserted into corresponding screw holes on the end cover of the circuit breaker, and the screw caps are respectively connected with the first positioning piece 7 and the second positioning piece 8, so that the end cover is connected with the first positioning piece 7 and the second positioning piece 8, and the end cover is prevented from sliding down in the process of moving the end cover.

In this embodiment, when the end cover of the circuit breaker is detached, firstly, two bolts on the end cover and positioned on the same straight line in the horizontal direction are detached, the supporting chassis 1 is moved to the end cover, the handle is rotated to drive the first driving screw 12 to rotate, the distance between the first positioning piece 7 and the second positioning piece 8 is adjusted to be the same as the distance between the two bolts on the end cover, and the height of the first adjusting piece 5 is adjusted, so that the first positioning piece 7 and the second positioning piece 8 are respectively positioned at the screw holes of the two detached bolts on the end cover, and the position and the distance of the first positioning piece 7 and the second positioning piece 8 can be simultaneously or sequentially adjusted;

pushing the second telescopic part 4, inserting the first positioning part 7 and the second positioning part 8 into the screw holes on the end cover and penetrating into the screw holes on the circuit breaker, dismantling other bolts on the end cover, slowly detaching the end cover, moving the supporting underframe 1, keeping the end cover away from the circuit breaker, connecting nuts with the first positioning part 7 and the second positioning part 8 respectively, preventing the end cover from accidentally sliding off, and removing the device for overhauling the circuit breaker.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A circuit breaker service aid, comprising:

a support assembly comprising a support chassis (1); a moving part (2) is arranged on the supporting underframe (1);

the telescopic assembly comprises a first telescopic piece (3) rotatably arranged on the supporting underframe (1) and a second telescopic piece (4) slidably arranged in the first telescopic piece (3);

an adjusting assembly comprising a first adjusting member (5) arranged on the supporting chassis (1); the first adjusting piece (5) is hinged with the first telescopic piece (3); the first adjusting piece (5) moves away from or towards the supporting underframe (1) under the action of external force so as to drive the first telescopic piece (3) to rotate along the supporting underframe (1);

the bearing assembly comprises a first bearing piece (6) arranged on the second telescopic piece (4), a first positioning piece (7) and a second positioning piece (8) which are arranged on the first bearing piece (6) in a sliding manner; the first bearing piece (6) is arranged at the end of the second telescopic piece (4) far away from the first adjusting piece (5), so that the joint of the first telescopic piece (3) and the supporting underframe (1) is positioned between the first bearing piece (6) and the first adjusting piece (5); the first locating piece (7) and the second locating piece (8) are parallel to the horizontal plane.

2. The breaker overhaul auxiliary tool of claim 1, wherein: the support underframe (1) comprises a first frame body (101) and a support column (102) arranged on the first frame body (101); a stay bar (103) is arranged between the first frame body (101) and the support column (102).

3. A circuit breaker service aid as claimed in claim 2, wherein: the support columns (102) and the support rods (103) are obliquely arranged on the first frame body (101) so that triangular stable supports are formed between the support columns (102) and the support rods (103).

4. A breaker service aid according to claim 3, wherein: the two sides of the supporting column (102) are symmetrically provided with first support plates (104); a first rotating shaft (105) is arranged on each of the two first support plates (104); the first telescopic piece (3) is positioned between the two first support plates (104) and is in rotary connection with the first rotary shaft (105).

5. The breaker overhaul auxiliary tool of claim 4, wherein: second support plates (301) are symmetrically arranged on the outer wall of the first telescopic piece (3); a second rotating shaft (302) is arranged on the second support plate (301); the first adjusting piece (5) is hinged with the second rotating shaft (302).

6. The breaker overhaul auxiliary tool of claim 5, wherein: the device also comprises a stiffening component; the stiffening component comprises stiffening rods (9) vertically arranged on the first telescopic piece (3) and stiffening plates (10) arranged on the first telescopic piece (3); the two ends of the stiffening plate (10) are connected with the first telescopic piece (3), and the middle part of the stiffening plate (10) is connected with the top end of the stiffening rod (9).

7. The breaker overhaul auxiliary tool of claim 6, wherein: a first chute (601) is arranged on the first bearing piece (6); a first transmission part is arranged in the first chute (601); the first transmission piece is respectively connected with the first positioning piece (7) and the second positioning piece (8); the first transmission part rotates under the action of external force to drive the first positioning part (7) and the second positioning part (8) to move in the first chute (601), and then the distance between the first positioning part (7) and the second positioning part (8) is adjusted.

8. The breaker overhaul auxiliary tool of claim 7, wherein: the first transmission part comprises a first transmission screw (12) rotatably arranged in the first chute (601), a first sliding block (18) and a second sliding block (19) which are arranged on the first transmission screw (12); the first sliding block (18) and the second sliding block (19) are respectively arranged in the first sliding groove (601) and are respectively connected with the first transmission screw (12) through an orthodontic thread and a counter thread; the first locating piece (7) and the second locating piece (8) are respectively connected with the first sliding block (18) and the second sliding block (19).

9. The breaker overhaul auxiliary tool of claim 8, wherein: the device also comprises a regulating and controlling component; the regulating and controlling assembly comprises a mounting frame (13) arranged on the second telescopic piece (4), a regulating and controlling plate (17) arranged on the first bearing piece (6) and a regulating and controlling screw rod (15) arranged on the mounting frame (13); a regulating shaft (14) is arranged in the mounting frame (13); the regulating plate (17) is rotationally connected with the regulating shaft (14).

10. The breaker overhaul auxiliary tool of claim 9, wherein: the end of the first locating piece (7) and the end of the second locating piece (8) far away from the first bearing piece (6) are respectively provided with a first locking piece and a second locking piece.