Tripping device for circuit breaker

Abstract

The utility model relates to the technical field of switch cabinet circuit breakers, and discloses a tripping device for a circuit breaker, which comprises a tripping device shell, a brake head is arranged on the side wall of the tripping device shell, and a take-up assembly is arranged on the front surface of the tripping device shell. According to the tripping device for the circuit breaker, the wire winding assembly and the rotating sleeve rotate to wind and tighten the wire, the time required by manual cable cutting is avoided, it is ensured that the wire keeps the optimal length, loosening and disordered stacking of the wire in a switch cabinet can be avoided, and the wiring cleanliness is improved; the length of each group of cables can be independently adjusted, the situation that some cables are too long and some cables are too short is avoided, when a certain cable is overhauled or replaced, the group of cables can be independently adjusted, other lines are not affected, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch cabinet circuit breaker, specifically is a kind of tripping device for circuit breaker. BACKGROUND

[0002] High-voltage switch cabinet refers to the electric power system for power generation, transmission, distribution, electric energy conversion and consumption, which plays the role of on-off, control or protection, etc. High-voltage switch cabinet is an electric product with voltage level of 3.6kV-550kV. High-voltage switch cabinet includes high-voltage disconnector, grounding switch, high-voltage load switch, high-voltage automatic reclosing and sectionalizer, high-voltage operating mechanism, high-voltage explosion-proof distribution device and high-voltage switch cabinet. In order to ensure safety, circuit breaker needs to be installed inside the switch cabinet. When an electrical accident occurs, the circuit breaker needs to be tripped to disconnect the circuit and ensure the safety of the switch cabinet.

[0003] According to the disclosed tripping device for circuit breaker of switch cabinet (publication number: CN115763175A), the above-mentioned application includes a drive box fixedly arranged inside the circuit breaker housing and an electric control device fixedly arranged inside the circuit breaker housing and located at the side of the drive box. A motor is fixedly arranged inside the drive box. The motor is electrically connected with the electric control device. A rack extending to the outside of the drive box is slidingly connected inside the drive box. A gear is fixedly arranged on the output shaft of the motor, and the gear is engaged with the rack.

[0004] During actual use of the above-mentioned tripping device, in order to maintain the neatness of the tripping device inside the switch cabinet, ensure safety, prevent short circuit and accidental touch, and enable maintenance personnel to quickly find faults and improve maintenance efficiency, the length of the wire needs to be adjusted multiple times. Workers may need to repeatedly measure, cut and connect the wire, which wastes a lot of time and affects the overall construction progress. Therefore, we propose a tripping device for circuit breaker. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a tripping device for circuit breaker to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tripping device for circuit breaker, including tripping device shell, the side wall of tripping device shell is provided with gate head, the front of tripping device shell is provided with take-up assembly, the take-up assembly includes:

[0007] The inner wall of the clamping groove is sleeved with a connecting shaft, the outer wall of the connecting shaft is sleeved with a rotating sleeve, the outer wall of the rotating sleeve is fixedly connected with a hexagonal sleeve, and the outer wall of the rotating sleeve is fixedly connected with a lever.

[0008] The side wall of the wire collecting sleeve is provided with a transverse groove, and the inner wall of the wire collecting sleeve is provided with a hexagonal groove;

[0009] The outer wall of the sleeve is provided with a notch.

[0010] Preferably, the sleeve is sleeved with the rotating sleeve, the lever is slidably connected with the notch, and the outer wall of the sleeve is inserted with the outer wall of the tripping device shell.

[0011] Preferably, the hexagonal sleeve is inserted with the hexagonal groove, and the wire collecting sleeve is sleeved with the rotating sleeve, so that the rotating sleeve drives the hexagonal sleeve to rotate, and the rotation of the hexagonal sleeve further drives the hexagonal groove to rotate with the rotating sleeve.

[0012] Preferably, the clamping groove is arranged on the outer wall of the tripping device shell, the outer wall of the tripping device shell is fixedly connected with a state lamp, and the outer wall of the tripping device shell is provided with a wiring groove.

[0013] Preferably, the end face of the rotating sleeve is provided with a slot, the transverse groove is movably connected with the wire, and the rotating sleeve is rotated by inserting a slot screwdriver into the slot and then rotating the slot screwdriver, so that the wire is wound and the wire is tightened.

[0014] Preferably, the outer wall of the sleeve is fixedly connected with a horizontal rod, the horizontal rod is slidably connected with a movable block, and the top end face of the movable block is provided with a through groove.

[0015] Preferably, the top end face of the movable block is fixedly connected with a pulling frame, and the through groove is sleeved with the wire.

[0016] Compared with the prior art, the tripping device for the circuit breaker has the following beneficial effects:

[0017] 1. The wire collecting assembly is arranged, the rotating sleeve winds the wire, the wire is tightened, the time required for manually cutting the cable is avoided, the length of the wire is ensured to be optimal, the wire can be prevented from being loose, messy and stacked in the switch cabinet, the wiring neatness is improved, the lever is slid in the notch after a group of wires is tightened, another group of wires is wound, each group of cables can be independently adjusted in length, the situation that some cables are too long and some are too short is avoided, when one cable is overhauled or replaced, the group of cables can be independently adjusted without affecting other lines, and the maintenance efficiency is improved.

[0018] 2. The movable block is arranged, the movable block drives the wire to slowly move horizontally, the wire can be uniformly distributed in the entire winding area, the winding is more neat and beautiful, the local swelling or depression phenomenon is reduced, the cable is prevented from being unevenly stressed, and the damage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is main body structure schematic view of the utility model;

[0020] Figure 2 It is take-up assembly structure schematic view of the utility model;

[0021] Figure 3 It is take-up assembly explosion view of the utility model;

[0022] Figure 4 It is the utility model Figure 3 A region structure schematic view.

[0023] In the drawing: 1, tripping device housing;2, gate head;3, status light;4, wiring slot;5, take-up assembly;501, clamping groove;502, connecting shaft;503, rotating sleeve;504, six-rib sleeve;505, take-up sleeve;506, transverse groove;507, lever;508, sleeve;509, notch;6, crossbar;7, movable block;8, pulling frame;9, slot. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a kind of tripping device for circuit breaker, including tripping device housing 1, the side wall of tripping device housing 1 is provided with gate head 2, clamping groove 501 is opened in the outer wall of tripping device housing 1, the outer wall of tripping device housing 1 is fixedly connected with status light 3, the outer wall of tripping device housing 1 is opened with wiring slot 4, wiring terminal is arranged in wiring slot 4, the front of tripping device housing 1 is provided with take-up assembly 5, and take-up assembly 5 includes clamping groove 501, connecting shaft 502, rotating sleeve 503, six-rib sleeve 504, take-up sleeve 505, transverse groove 506, lever 507, sleeve 508, notch 509.

[0025] In an embodiment of the utility model, the inner wall of clamping groove 501 is sleeved with connecting shaft 502, the outer wall of connecting shaft 502 is sleeved with rotating sleeve 503, the outer wall of rotating sleeve 503 is fixedly connected with six-rib sleeve 504, the outer wall of rotating sleeve 503 is fixedly connected with lever 507, the end face of rotating sleeve 503 is opened with slot 9, transverse groove 506 is movably connected with electric wire, by inserting slot screwdriver into slot 9, then rotating slot screwdriver, the rotation of rotating sleeve 503 is realized, and rotating sleeve 503 rotates and is rolled up to electric wire, and electric wire is tightened.

[0026] The side wall of the winding sleeve 505 is provided with a transverse groove 506, the inner wall of the winding sleeve 505 is provided with a six-rib groove, the six-rib sleeve 504 is inserted with the six-rib groove, the winding sleeve 505 is sleeved with the rotating sleeve 503, and the rotating sleeve 503 drives the six-rib sleeve 504 to rotate through the six-rib sleeve 504 and the six-rib groove.

[0027] The outer wall of the sleeve 508 is provided with a notch 509, the sleeve 508 is sleeved with the rotating sleeve 503, the lever 507 is slidingly connected with the notch 509, and the outer wall of the sleeve 508 is inserted with the outer wall of the tripping device housing 1.

[0028] One end of the wire is fixedly connected with the terminal, then the connecting shaft 502 is inserted into the clamping groove 501, the side wall of the cable is inserted into the transverse groove 506, one side of the cable close to the terminal is located between the winding sleeve 505 and the rotating sleeve 503, the flathead screwdriver is inserted into the flathead groove 9, then the flathead screwdriver is rotated to realize the rotation of the rotating sleeve 503, the rotating sleeve 503 is rotated to wind the wire, the wire is tightened, the time required for manually cutting the cable is avoided, the length of the wire is ensured to be optimal, the wire can be avoided to be loose and stacked in disorder in the switch cabinet, the wiring neatness is improved, after the group of wires is tightened, the lever 507 is pushed to make the lever 507 slide in the notch 509, then the six-rib sleeve 504 is disconnected with the six-rib groove in one of the rotating sleeves 503, the six-rib sleeve 504 is connected with the six-rib groove in the other rotating sleeve 503, at this time, the rotating sleeve 503 is rotated to realize the winding of the other group of wires, each group of cables can be independently adjusted in length, the situation that some cables are too long and some are too short is avoided, when one cable is overhauled or replaced, the group of cables can be independently adjusted without affecting other lines, and the maintenance efficiency is improved.

[0029] In addition, the outer wall of the sleeve 508 is fixedly connected with a transverse rod 6, the transverse rod 6 is slidingly connected with a movable block 7, the top end surface of the movable block 7 is provided with a through groove, the top end surface of the movable block 7 is fixedly connected with a pulling frame 8, the through groove is sleeved with the wire, before the wire is fixedly connected with the terminal, the wire is first inserted through the through groove, in the process of winding the wire, the pulling frame 8 is slowly pushed, the movable block 7 is slowly moved transversely with the wire, if the cable is wound in a fixed position, the cable is easily stacked layer by layer, local accumulation is formed, the wound coil is uneven, and problems such as bulging and jamming may occur, the movable block 7 slowly moves transversely with the wire, the wire is uniformly distributed in the whole winding area, the winding is more neat and beautiful, local swelling or depression is reduced, the cable is avoided to be unevenly stressed, and damage is reduced.

[0030] In the utility model, when using, one end of electric wire is fixedly connected with wiring terminal, the side wall of cable is inserted into horizontal groove 506, one side of cable close to wiring terminal is located between take-up sleeve 505 and rotating sleeve 503, the rotating sleeve 503 is rotated by inserting a slot screwdriver into a slot 9, the rotating sleeve 503 is rotated to take up electric wire, the electric wire is tightened, the time needed for manually cutting cable is avoided, the length of electric wire is ensured to be optimal, the lever 507 is pushed, the lever 507 slides in the notch 509, the six-rib sleeve 504 and the six-rib groove in one set of rotating sleeve 503 are disconnected, the six-rib sleeve 504 and the six-rib groove in another set of rotating sleeve 503 are connected, the rotating sleeve 503 is rotated at this time, the winding of another set of electric wire is realized, the length of each set of electric wire is adjusted separately, the situation that some cables are too long and some are too short is avoided.

[0031] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A trip unit for a circuit breaker comprising a trip unit housing (1), the side wall of the trip unit housing (1) being provided with a terminal (2), characterized in that: The front face of the tripping device housing (1) is provided with a take-up assembly (5), the take-up assembly (5) comprises: The inner wall of the clamping groove (501) is sleeved with a connecting shaft (502), the outer wall of the connecting shaft (502) is sleeved with a rotating sleeve (503), the outer wall of the rotating sleeve (503) is fixedly connected with a six-rib sleeve (504), the outer wall of the rotating sleeve (503) is fixedly connected with a lever (507); The side wall of the take-up sleeve (505) is provided with a transverse groove (506), and the inner wall of the take-up sleeve (505) is provided with a six-rib groove; The outer wall of the sleeve (508) is provided with a notch (509).

2. A trip unit for a circuit breaker according to claim 1, wherein: The sleeve (508) is sleeved with the rotating sleeve (503), the lever (507) is slidably connected with the notch (509), and the outer wall of the sleeve (508) is inserted with the outer wall of the tripping device housing (1).

3. A trip unit for a circuit breaker according to claim 1, wherein: The six-rib sleeve (504) is inserted with the six-rib groove, and the take-up sleeve (505) is sleeved with the rotating sleeve (503).

4. The trip unit for a circuit breaker of claim 1, wherein: The clamping groove (501) is arranged on the outer wall of the tripping device housing (1), the outer wall of the tripping device housing (1) is fixedly connected with a state lamp (3), and the outer wall of the tripping device housing (1) is provided with a wiring groove (4).

5. The trip unit for a circuit breaker of claim 1, wherein: The end face of the rotating sleeve (503) is provided with a one-slot (9), and the transverse groove (506) is movably connected with the wire.

6. A trip unit for a circuit breaker according to claim 1, wherein: The outer wall of the sleeve (508) is fixedly connected with a cross bar (6), the cross bar (6) is slidably connected with a movable block (7), and the top end face of the movable block (7) is provided with a through groove.

7. A trip unit for a circuit breaker according to claim 6 wherein: The top end face of the movable block (7) is fixedly connected with a pulling frame (8), and the through groove is sleeved with the wire.

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