CN212695077U

CN212695077U - Channel-free self-healing high-voltage circuit breaker

Info

Publication number: CN212695077U
Application number: CN202021697660.7U
Authority: CN
Inventors: 程治真; 杨家林; 陈天胜; 陈海学; 沈峰隆; 周愈鹏
Original assignee: Hechi Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Hechi Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-12
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a non-channel self-healing high-voltage circuit breaker, which belongs to the technical field of circuit breakers, and comprises a mechanism box, wherein the outer end of the mechanism box is connected with an operating handle, the left end and the right end of the operating handle are both fixedly connected with pull rings, the outer end of the mechanism box is fixedly connected with a limit stop block positioned under the operating handle, the outer end of the mechanism box is provided with a pair of first holding tanks in a chiseled mode, the first holding tanks are internally and slidably connected with clamping blocks matched with the first holding tanks, a first compression spring is fixedly connected between the right inner wall of the first holding tank and the right end of the clamping block, the outer end of the mechanism box is provided with a pair of second holding tanks, the two second holding tanks are respectively positioned under the two clamping blocks, the second holding tanks are internally and slidably connected with pull blocks matched with the second holding tanks, the operating handle which is closed, the stability of the switching-on or switching-off state of the circuit breaker is improved.

Description

Channel-free self-healing high-voltage circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, more specifically say, relate to a no passageway self-healing high voltage circuit breaker.

Background

The high-voltage circuit breaker is also called a high-voltage switch, not only can cut off or close the no-load current and the load current in a high-voltage circuit, but also can cut off the overload current and the short-circuit current through the action of a relay protection device when a system has a fault, and has a quite perfect arc extinguishing structure and enough current breaking capacity. A channel-free self-healing high-voltage circuit breaker appears in the market at present, a special channel-free protection algorithm and a self-healing control software module are arranged in the circuit breaker, tripping isolation faults are quickly and selectively protected, power supply of a non-fault section is recovered, and advanced self-healing of a distribution network is realized.

The channel-free self-healing high-voltage circuit breaker mainly comprises a mechanism box, an arc extinguish chamber, a mutual inductor and the like, wherein various control mechanisms and modules are arranged inside the mechanism box, an operating handle is arranged outside the mechanism box, please refer to fig. 1, pull rings are arranged at two ends of the operating handle, and a worker can switch on or switch off by remotely pulling the operating handle through a rod body with a drag hook.

However, in the actual use process of the operating handle, due to the fact that the operating handle lacks a corresponding locking mechanism, after the closing or opening of the circuit breaker is completed, a worker can easily disturb the operating handle, and the stability of the closing or opening state of the circuit breaker is affected.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a no passageway self-healing high voltage circuit breaker, it can realize locking the operating handle that combined floodgate or separating brake were accomplished, effectively avoids operating handle to appear the problem of disturbance, improves the stability of circuit breaker combined floodgate or separating brake state.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A channel-free self-healing high-voltage circuit breaker comprises a mechanism box, wherein the outer end of the mechanism box is connected with an operating handle, the left end and the right end of the operating handle are fixedly connected with pull rings, the outer end of the mechanism box is fixedly connected with a limit stop positioned under the operating handle, the outer end of the mechanism box is chiseled with a pair of first accommodating grooves, the first accommodating grooves are internally and slidably connected with clamping blocks matched with the first accommodating grooves, a first compression spring is fixedly connected between the right inner wall of the first accommodating groove and the right end of the clamping blocks, the outer end of the mechanism box is chiseled with a pair of second accommodating grooves, the two second accommodating grooves are respectively positioned under the two clamping blocks, the second accommodating grooves are internally and slidably connected with pull blocks matched with the second accommodating grooves, the left end of each pull block extends out of the second accommodating groove, the right end of the clamping block is fixedly connected with a transmission, and the one end that the fixture block was kept away from to the driving rope runs through the through-hole and with draw a piece upper end fixed connection, draw a piece lower extreme fixedly connected with to be located the outside unblock ring of second holding tank, it can realize locking the operating handle that closes a floodgate or separating brake was accomplished, effectively avoids operating handle to appear the problem of disturbance, improves the stability of circuit breaker combined floodgate or separating brake state.

Furthermore, the cross-section that the fixture block is located the first holding tank outer part is right triangle, and the inclined plane of fixture block is located its upper left end, and during the staff was closing a floodgate or separating brake, because have the inclined plane on the fixture block, operating handle can be with the automatic first holding tank of impressing of the fixture block of its corresponding position, makes things convenient for staff's operation.

Further, inner wall fixed mounting is right to first holding tank has the fixed pulley, and the driving rope outer end contacts with the fixed pulley outer end, and the fixed pulley can play the effect that changes driving rope atress direction, makes the driving rope can be better with the fixture block pulling in to first holding tank.

Further, the inner wall is cut a groove on the second holding tank, the inner wall is connected with a second compression spring between the upper end of the pulling block and the upper end of the groove, the groove plays a role of holding the second compression spring, when the clamping block is pressed into the first holding tank by the operating handle, the second compression spring also can push the pulling block downwards, so that the transmission rope is always in a stretched state, and the transmission rope is effectively prevented from loosening and falling off from the fixed pulley.

Further, fixture block upper end fixedly connected with limit slide, the inner wall chisel has the limit slide groove with limit slide sliding connection on the first holding tank, and the cooperation each other between limit slide and the limit slide groove can play the effect of limiting the fixture block and moving the orbit, effectively avoids the fixture block to drop from first holding tank.

Further, draw a plurality of T shape sliders of piece outer end fixedly connected with, second holding tank inner wall is dug has a plurality ofly and T shape slider sliding connection's T shape guide way, and mutually supporting between T shape slider and the T shape guide way can play the effect of injecing the piece moving trajectory of drawing, both can effectively avoid drawing the piece and drop from the second holding tank, also can effectively avoid drawing the problem that the piece removes the off normal to appear in-process.

3. Advantageous effects

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

(1) the technical scheme can lock the operating handle completed by switching on or switching off, effectively avoids the problem of disturbance of the operating handle, and improves the stability of the switching on or switching off state of the circuit breaker.

(2) The cross-section that the fixture block is located the first holding tank outer part is right triangle, and the inclined plane of fixture block is located its upper left end, and during the staff was closing a floodgate or separating brake, because have the inclined plane on the fixture block, operating handle can make things convenient for staff's operation in the fixture block automatic pressing in first holding tank of its corresponding position.

(3) Inner wall fixed mounting has the fixed pulley on the right side of first holding tank, and the driving rope outer end contacts with the fixed pulley outer end, and the fixed pulley can play the effect that changes driving rope atress direction, makes the driving rope can be better with the fixture block to the pulling in the first holding tank.

(4) The inner wall cuts a groove on the second holding tank, and fixedly connected with second compression spring between inner wall and the pull block upper end on the groove, the groove plays the effect that holds second compression spring, and when the fixture block was impressed by operating handle in the first holding tank, second compression spring also can push the pull block downwards to make the driving rope be in the state of straightening always, effectively avoid the driving rope to appear relaxing and drop from the fixed pulley.

(5) The limiting sliding block is fixedly connected to the upper end of the clamping block, the limiting sliding groove connected with the limiting sliding block in a sliding mode is formed in the upper inner wall of the first accommodating groove, the limiting sliding block and the limiting sliding groove are matched with each other, the effect of limiting the moving track of the clamping block can be achieved, and the clamping block is effectively prevented from falling off from the first accommodating groove.

(6) Draw a plurality of T shape sliders of piece outer end fixedly connected with, the second holding tank inner wall chisel have a plurality ofly with T shape slider sliding connection's T shape guide way, mutually support between T shape slider and the T shape guide way, can play the effect of injecing the piece removal orbit of drawing, both can effectively avoid drawing the piece and drop from the second holding tank, also can effectively avoid drawing the problem that the piece removed the off normal to the in-process appearance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure between the clamping block and the pulling block of the present invention;

fig. 3 is a schematic cross-sectional view at a-a in fig. 1.

The reference numbers in the figures illustrate:

the mechanism comprises a mechanism box 1, an operating handle 2, a limit stop 3, a first accommodating groove 4, a clamping block 5, a first compression spring 6, a second accommodating groove 7, a pulling block 8, a transmission rope 9, a through hole 10, an unlocking ring 11, a fixed pulley 12, a groove 13, a second compression spring 14, a limit sliding block 15, a limit sliding groove 16, a T-shaped sliding block 17 and a guide groove 18T-shaped.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a channel-free self-healing high-voltage circuit breaker includes a mechanism box 1, an operating handle 2 is connected to an outer end of the mechanism box 1, the mechanism box 1 and the operating handle 2 are both in the prior art, and are not described herein again, pull rings are fixedly connected to both left and right ends of the operating handle 2, a limit stop 3 is fixedly connected to an outer end of the mechanism box 1 and is located right below the operating handle 2, the specific shape of the limit stop 3 is as shown in fig. 1, referring to fig. 1-2, a pair of first accommodating grooves 4 are chiseled on an outer end of the mechanism box 1, a fixture block 5 matched with the first accommodating grooves 4 is slidably connected in the first accommodating grooves 4, the fixture block 5 can slide left and right in the first accommodating grooves 4, specific positions of the two fixture blocks 5 are as shown in fig. 1, referring to fig. 2, a first compression spring 6 is fixedly connected between a, the fixture block 5 can be pressed towards the outside of the first accommodating groove 4, please refer to fig. 1-2, a pair of second accommodating grooves 7 are drilled at the outer end of the mechanism box 1, the two second accommodating grooves 7 are respectively positioned under the two fixture blocks 5, a pull block 8 matched with the second accommodating grooves is connected in the second accommodating grooves 7 in a sliding manner, please refer to fig. 2, the left end of the pull block 8 extends out of the second accommodating grooves 7, the pull block 8 can slide up and down in the second accommodating grooves 7, the right end of the fixture block 5 is fixedly connected with a transmission rope 9, the transmission rope 9 is preferably a steel wire rope with a rubber sleeve, has higher strength and is not easy to break, a through hole 10 communicated with the second accommodating grooves 7 is drilled at the lower inner wall of the first accommodating groove 4, one end of the transmission rope 9 far away from the fixture block 5 penetrates through the through hole 10 and is fixedly connected with the upper end of the pull block 8, please refer to fig. 1-2, an unlocking ring, the locking device can lock the operating handle 2 which completes switching on or switching off, effectively avoids the problem that the operating handle 2 is disturbed, and improves the stability of the switching on or switching off state of the circuit breaker.

Referring to fig. 2, the section of the outer portion of the clamping block 5 located in the first receiving groove 4 is a right triangle, and the inclined surface of the clamping block 5 is located at the upper left end of the clamping block, referring to fig. 1-2, when a worker switches on or off, the clamping block 5 at the corresponding position can be automatically pressed into the first receiving groove 4 by the operating handle 2 due to the inclined surface on the clamping block 5, which is convenient for the worker to operate.

Referring to fig. 2, a fixed pulley 12 is fixedly installed on the right inner wall of the first receiving groove 4, the outer end of the transmission rope 9 contacts with the outer end of the fixed pulley 12, the fixed pulley 12 is the prior art, and is not described herein again, the fixed pulley 12 can play a role of changing the stress direction of the transmission rope 9, so that the transmission rope 9 can better pull the fixture block 5 into the first receiving groove 4, a groove 13 is cut on the inner wall of the second receiving groove 7, a second compression spring 14 is fixedly connected between the upper inner wall of the groove 13 and the upper end of the pulling block 8, the elastic force of the second compression spring 14 is smaller than that of the first compression spring 6, when the first compression spring 6 is not subjected to an external force, the second compression spring 14 can be compressed into the groove 13 through the fixture block 5, the transmission rope 9 and the pulling block 8, the groove 13 plays a role of receiving the second compression spring 14, when the fixture block 5 is pressed into the first receiving groove 4, the second compression spring 14 also presses the pull block 8 downwards, so that the transmission rope 9 is always in a stretched state, and the transmission rope 9 is effectively prevented from loosening and falling off from the fixed pulley 12.

Referring to fig. 2, a limiting slide block 15 is fixedly connected to the upper end of the clamping block 5, a limiting slide groove 16 slidably connected to the limiting slide block 15 is formed in the upper inner wall of the first accommodating groove 4, the limiting slide block 15 and the limiting slide groove 16 are matched with each other, so that the moving track of the clamping block 5 can be limited, and the clamping block 5 can be effectively prevented from falling off from the first accommodating groove 4.

Referring to fig. 1-2, when the circuit breaker is in a closed state, the right half section of the operating handle 2 is clamped between the right clamping block 5 and the right limit stop 3, and the right clamping block 5 and the right limit stop 3 are matched with each other to lock the operating handle 2, so that the operating handle 2 cannot rotate, thereby effectively avoiding disturbance of the operating handle 2 and improving stability of the closed state of the circuit breaker, when a worker needs to open the circuit breaker, the worker firstly uses a rod body with a draw hook (hereinafter referred to as a draw rod) to pull the right unlocking ring 11 downwards, the unlocking ring 11 drives the corresponding draw block 8 to move downwards together, the draw block 8 drives the right clamping block 5 to move towards the first accommodating groove 4 through the transmission rope 9, thereby releasing the locking of the operating handle 2, and then the worker uses another draw rod to pull the draw ring at the left end of the operating handle 2, when the left half section of the operating handle 2 is contacted with the clamping block 5 on the left side, because the clamping block 5 is provided with an inclined plane, the operating handle 2 can automatically press the clamping block 5 on the left side into the first accommodating groove 4, when the switching-off of the operating handle 2 is finished, the left half section of the operating handle 2 just moves to a position between the clamping block 5 on the left side and the limit stop 3, at the moment, the clamping block 5 on the left side extends out of the first accommodating groove 4 under the action of the first compression spring 6, so that the left half section of the operating handle 2 is clamped and locked, the operating handle 2 is effectively prevented from being disturbed, the stability of the switching-off state of the circuit breaker is improved, when a worker needs to switch on again, the operating handle 2 on the left side and the pull ring on the right end of the operating handle 2 can be sequentially pulled by using two pull rods, and the switching-on or switching-off of the operating handle 2 can, the problem of disturbance of the operating handle 2 is effectively avoided, and the stability of the switching-on or switching-off state of the circuit breaker is improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a no passageway self-healing high voltage circuit breaker, includes mechanism case (1), mechanism case (1) outer end is connected with operating handle (2), the equal fixedly connected with pull ring in both ends, its characterized in that about operating handle (2): the outer end of the mechanism box (1) is fixedly connected with a limit stop (3) which is positioned under an operating handle (2), the outer end of the mechanism box (1) is chiseled with a pair of first accommodating grooves (4), the first accommodating grooves (4) are connected with clamping blocks (5) matched with the first accommodating grooves in an sliding mode, a first compression spring (6) is fixedly connected between the right inner wall of the first accommodating grooves (4) and the right ends of the clamping blocks (5), the outer end of the mechanism box (1) is chiseled with a pair of second accommodating grooves (7), the two second accommodating grooves (7) are respectively positioned under the two clamping blocks (5), the second accommodating grooves (7) are connected with pull blocks (8) matched with the second accommodating grooves in an sliding mode, the left ends of the pull blocks (8) extend out of the second accommodating grooves (7), the right ends of the clamping blocks (5) are fixedly connected with ropes (9) in a transmission mode, through holes (10) communicated with the second accommodating grooves (7) are chisele, and one end of the transmission rope (9) far away from the clamping block (5) penetrates through the through hole (10) and is fixedly connected with the upper end of the pull block (8), and the lower end of the pull block (8) is fixedly connected with an unlocking ring (11) located outside the second accommodating groove (7).

2. The channel-free self-healing high-voltage circuit breaker according to claim 1, characterized in that: the cross section of the clamping block (5) located at the outer part of the first accommodating groove (4) is in a right triangle shape, and the inclined plane of the clamping block (5) is located at the upper left end of the clamping block.

3. The channel-free self-healing high-voltage circuit breaker according to claim 1, characterized in that: first holding tank (4) right side inner wall fixed mounting has fixed pulley (12), and driving rope (9) outer end contacts with fixed pulley (12) outer end.

4. The channel-free self-healing high-voltage circuit breaker according to claim 3, characterized in that: the inner wall is cut a groove (13) on the second accommodating groove (7), and a second compression spring (14) is fixedly connected between the inner wall on the groove (13) and the upper end of the pulling block (8).

5. The channel-free self-healing high-voltage circuit breaker according to claim 1, characterized in that: the upper end of the clamping block (5) is fixedly connected with a limiting sliding block (15), and a limiting sliding groove (16) which is connected with the limiting sliding block (15) in a sliding mode is formed in the upper inner wall of the first accommodating groove (4).

6. The channel-free self-healing high-voltage circuit breaker according to claim 1, characterized in that: draw piece (8) outer end fixedly connected with a plurality of T shape sliders (17), second holding tank (7) inner wall is excavated has a plurality of T shape guide ways (18) with T shape slider (17) sliding connection.