Solid-sealed indoor high-voltage vacuum circuit breaker with handcart

Abstract

The utility model discloses a solid-sealed indoor high-voltage vacuum circuit breaker with a handcart, which comprises a vacuum circuit breaker body, and a handcart body is attached to the bottom of the vacuum circuit breaker body. The bottom of the handcart body is in contact with the ground, a moving rod is slidably arranged in the handcart body, the top of the moving rod and the bottom of the vacuum circuit breaker body form an attaching mechanism, the side edge of the bottom of the moving rod is connected with a steel wire rope, the outer end of the steel wire rope is connected with the inner wall of a clamping rod, and the clamping rod slides on a fixing rod; and two ends of the fixed rod are fixed in the handcart body. According to the solid-sealed indoor high-voltage vacuum circuit breaker with the handcart, the clamping rod is installed, the moving rod is extruded through the weight of the vacuum circuit breaker body, so that the moving rod moves to drive the clamping rod to move, then the clamping rod moves to clamp the vacuum circuit breaker body, and the rapid fixing effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage vacuum circuit breakers, in particular to a sealed indoor high-voltage vacuum circuit breaker with a trolley. Background Art

[0002] The handcart-type sealed indoor high-voltage vacuum circuit breaker is mainly used for the control and protection of power systems. It can connect, carry and disconnect currents in normal or fault conditions, and can close, carry and disconnect short-circuit currents within a specified time. Its handcart-type design makes the circuit breaker easy to install, replace and maintain, while the sealing technology improves the insulation performance and reliability of the equipment;

[0003] Reference publication number CN214123778U is a sealed indoor high-voltage vacuum circuit breaker with a trolley, in which a front positioning rod is located at the side of the front insertion port away from the front positioning socket and is fixedly provided with a front positioning end that abuts against the trolley, the front positioning socket away from the front insertion port end passes through the trolley to open a front locking port, the front positioning rod is located at the side of the front locking port away from the front positioning socket and is provided with a front locking piece that abuts against the trolley, and the front locking piece is threadedly connected to the front positioning rod, the rear positioning rod is located at the side of the rear insertion port away from the rear positioning socket and is fixedly provided with a rear positioning end that abuts against the trolley, the rear positioning socket away from the rear insertion port end passes through the trolley to open a rear locking port, the rear positioning rod is located at the side of the rear locking port away from the rear positioning socket and is provided with a rear locking piece that abuts against the trolley, and the rear locking piece is threadedly connected to the rear positioning rod, but there are still the following problems:

[0004] In actual use of the above device, although the trolley and the high-voltage vacuum circuit breaker are connected by means of an insert strip, the insert strip needs to be inserted into the slot in sequence during the connection, and then the locking piece is used to achieve a fixing effect. Only after completing these operations can the high-voltage vacuum circuit breaker be stably connected to the trolley, which results in a long installation time.

[0005] Therefore, we proposed a sealed indoor high-voltage vacuum circuit breaker with a trolley that can solve the above problems well. Utility Model Content

[0006] The utility model aims to provide a sealed indoor high-voltage vacuum circuit breaker with a trolley, so as to solve the problem in the current market that the inserting strips need to be inserted into the inside of the slots in sequence, and then the fixing effect is achieved through the locking piece, and the high-voltage vacuum circuit breaker can be stably connected to the trolley only after completing these operations, which leads to the problem that the installation takes a long time.

[0007] To achieve the above object, the utility model provides the following technical solution: a sealed indoor high-voltage vacuum circuit breaker with a trolley, comprising a vacuum circuit breaker body, the bottom of which is attached with a trolley body;

[0008] Also includes:

[0009] The bottom of the trolley body is in contact with the ground, and a shift rod is slid inside the trolley body, and the top of the shift rod forms a fitting mechanism with the bottom of the vacuum circuit breaker body, and a steel wire rope is connected to the side of the bottom of the shift rod, and the outer end of the steel wire rope is connected to the inner wall of the clamping rod, and the clamping rod slides on the fixed rod, and both ends of the fixed rod are fixed inside the trolley body.

[0010] Preferably, a first spring is connected to the bottom of the shift rod, and a bottom of the first spring is connected to the inside of the trolley body.

[0011] Preferably, a second spring is nested in the inner end of the fixing rod, and the inner end of the second spring is connected to the inside of the trolley body, and the outer end of the second spring is connected to the inner wall of the clamping rod.

[0012] Preferably, a roller is attached to the bending part of the steel wire rope, and the roller is connected to the inside of the trolley body through a bearing.

[0013] Preferably, a worm is connected to the interior of the trolley body via a bearing, and a turbine is meshed at the front end of the worm.

[0014] Preferably, the turbine is rotated inside the trolley body through balls, and the balls are arranged at equal angles on the outer wall of the turbine, and the outer ends of the balls are fitted inside the trolley body.

[0015] Preferably, the internal vortex of the turbine is connected to a bracket, and the bracket slides inside the trolley body to form a limiting mechanism.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the sealed indoor high-voltage vacuum circuit breaker with a trolley can be quickly fixed and the stability is improved. The vacuum circuit breaker body can be automatically fixed by moving the clamp rod, thereby improving the installation efficiency. The stability of the trolley body can be improved by moving the bracket. The specific contents are as follows:

[0017] (1) A clamping rod is provided, and the weight of the vacuum circuit breaker body squeezes the moving rod, so that the moving rod moves and drives the clamping rod to move, and then the clamping rod moves to clamp the vacuum circuit breaker body, thereby achieving a quick fixing effect;

[0018] (2) A bracket is provided, and the worm is rotated to drive the bracket to move, so that the bracket can move in contact with the ground, and then the pulley at the bottom of the vacuum circuit breaker body can be fixed to avoid sliding, thereby improving stability;

[0019] (3) A first spring is provided, the first spring is connected to the bottom of the shift rod, and the bottom of the first spring is connected to the inside of the trolley body, so that the first spring can drive the shift rod to reset;

[0020] (4) A roller is provided, and the roller is attached to the bending part of the wire rope, and the roller is connected to the inside of the trolley body through a bearing, so that the roller can reduce the friction of the moving wire rope, thereby increasing the service life of the wire rope;

[0021] (5) A ball is provided, which rotates inside the trolley body through the turbine. The ball is arranged at an equal angle on the outer wall of the turbine, and the outer end of the ball is fitted into the inside of the trolley body, so that the ball can reduce the resistance of the turbine rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front view structure of the roller of the utility model;

[0024] Figure 3 This is a schematic diagram of the front view structure of the clamping rod of the utility model;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 5 This is a schematic diagram of the structure of the utility model after the bracket is moved;

[0027] Figure 6 This is a schematic diagram of the top view of the worm structure of the utility model;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the turbine of the utility model.

[0029] In the figure: 1. vacuum circuit breaker body; 2. trolley body; 3. shift rod; 4. first spring; 5. wire rope; 6. roller; 7. clamping rod; 8. fixing rod; 9. second spring; 10. worm; 11. turbine; 12. ball; 13. bracket. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] The utility model solves the problem that the existing method needs to insert the inserting strips into the slots in sequence, and then achieve the fixing effect through the locking piece, and the high-voltage vacuum circuit breaker can be stably connected to the trolley only after completing these operations, which leads to the problem that the installation takes a long time. The installation efficiency can be improved by moving the clamping rod 7, and the utility model discloses:

[0033] A vacuum circuit breaker body 1, the bottom of which is fitted with a trolley body 2; further comprising: the bottom of the trolley body 2 is in contact with the ground, and a shift rod 3 is slid inside the trolley body 2, and the top of the shift rod 3 and the bottom of the vacuum circuit breaker body 1 form a fitting mechanism, and a steel wire rope 5 is connected to the side of the bottom of the shift rod 3, the outer end of the steel wire rope 5 is connected to the inner wall of the clamp rod 7, and the clamp rod 7 slides on the fixed rod 8, and the two ends of the fixed rod 8 are fixed inside the trolley body 2;

[0034] refer to Figures 1 to 3 , place the vacuum circuit breaker body 1 on the trolley body 2, and then the weight of the vacuum circuit breaker body 1 will squeeze the shift rod 3, so that the shift rod 3 will move toward the inside of the trolley body 2, and then the movement of the shift rod 3 will squeeze the first spring 4, so that the movement of the shift rod 3 will drive the steel wire rope 5 to move, so that the steel wire rope 5 moves through the roller 6 to drive the clamping rod 7 to move, and then the clamping rod 7 can slide on the fixed rod 8, and then the movement of the clamping rod 7 will squeeze the second spring 9, and then the second spring 9 is compressed by force, and the movement of the clamping rod 7 will fit on the vacuum circuit breaker body 1, so that the vacuum circuit breaker body 1 can be quickly and stably fixed on the trolley body 2 through the clamping rod 7;

[0035] Embodiment 2:

[0036] The utility model solves the problem that the shifting rod 3 is inconvenient to recover after the vacuum circuit breaker body 1 is separated from the trolley body 2 in the first embodiment. The shifting rod 3 can be reset by the first spring 4, so as to facilitate the next movement.

[0037] The bottom of the shift rod 3 is connected to a first spring 4, and the bottom of the first spring 4 is connected to the inside of the trolley body 2. The inner end of the fixed rod 8 is embedded with a second spring 9, and the inner end of the second spring 9 is connected to the inside of the trolley body 2, and the outer end of the second spring 9 is connected to the inner wall of the clamp rod 7.

[0038] refer to Figures 1 to 3 After the vacuum circuit breaker body 1 is lifted, the vacuum circuit breaker body 1 will be separated from the trolley body 2, and then the vacuum circuit breaker body 1 will be separated from the squeezing of the shift rod 3, and then the shift rod 3 will be pushed to move in the opposite direction by the force of the first spring 4, so that the shift rod 3 can be reset, so that the wire rope 5 becomes loose, and then the clamping rod 7 is pushed to reset by the second spring 9, so that the clamping rod 7 is separated from the clamping of the vacuum circuit breaker body 1, so as to facilitate the clamping and fixing of the vacuum circuit breaker body 1 next time;

[0039] Embodiment three:

[0040] The utility model solves the problem that the moving wheels at the bottom of the existing trolley body 2 are fixed by rubber blocks, and the vacuum circuit breaker body 1 is heavy, resulting in poor stability of the trolley body 2. The stability can be improved by moving the bracket 13.

[0041] The bending part of the wire rope 5 is fitted with a roller 6, and the roller 6 is connected to the inside of the trolley body 2 through a bearing. The inside of the trolley body 2 is connected with a worm 10 through a bearing, and the front end of the worm 10 is meshed with a turbine 11. The turbine 11 rotates inside the trolley body 2 through a ball 12, and the ball 12 is arranged on the outer wall of the turbine 11 at an equal angle, and the outer end of the ball 12 is fitted inside the trolley body 2. The internal vortex of the turbine 11 is connected to a bracket 13, and the bracket 13 slides inside the trolley body 2 to form a limiting mechanism;

[0042] refer to Figure 1 , Figures 4 to 7 The vacuum circuit breaker body 1 can be moved by the trolley body 2. After it is moved to the position, the worm 10 is rotated to drive the turbine 11 to rotate, so that the turbine 11 can rotate inside the trolley body 2 through the ball 12, and then the turbine 11 rotates to drive the bracket 13 to move, so that the bracket 13 can fit with the ground, thereby increasing the friction, and then the stability can be improved, and the worm 10 is rotated in the opposite direction, so that the bracket 13 can be stored inside the trolley body 2.

[0043] Working principle: When using this kind of sealed indoor high-voltage vacuum circuit breaker with a trolley, first, refer to Figures 1 to 3, place the vacuum circuit breaker body 1 on the trolley body 2, and then make the weight of the vacuum circuit breaker body 1 squeeze the shift rod 3, and then make the shift rod 3 move to squeeze the first spring 4, and then make the clamping rod 7 slide on the fixed rod 8, and then make the clamping rod 7 move to squeeze the second spring 9, and the clamping rod 7 moves to fit on the vacuum circuit breaker body 1, so that the vacuum circuit breaker body 1 can be quickly and stably fixed on the trolley body 2 through the clamping rod 7;

[0044] refer to Figures 1 to 3 After the vacuum circuit breaker body 1 is lifted, the vacuum circuit breaker body 1 will be separated from the trolley body 2, and then the first spring 4 will push the shift rod 3 to move in the opposite direction, so that the wire rope 5 becomes loose, and then the second spring 9 will push the clamping rod 7 to reset, so that the clamping rod 7 will be separated from the clamping of the vacuum circuit breaker body 1, so as to facilitate the clamping and fixing of the vacuum circuit breaker body 1 next time;

[0045] refer to Figure 1 , Figures 4 to 7 The vacuum circuit breaker body 1 can be moved by the trolley body 2. After it is moved to the position, the worm 10 is rotated to drive the turbine 11 to rotate, and then the turbine 11 rotates to drive the bracket 13 to move, thereby improving the stability. By rotating the worm 10 in the opposite direction, the bracket 13 can be stored inside the trolley body 2.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sealed indoor high-voltage vacuum circuit breaker with a trolley, comprising a vacuum circuit breaker body (1), wherein a trolley body (2) is attached to the bottom of the vacuum circuit breaker body (1); It is characterized in that Also includes: The bottom of the trolley body (2) is in contact with the ground, and a shift rod (3) is slidably disposed inside the trolley body (2), and the top of the shift rod (3) forms a fitting mechanism with the bottom of the vacuum circuit breaker body (1), and a steel wire rope (5) is connected to the side of the bottom of the shift rod (3), and the outer end of the steel wire rope (5) is connected to the inner wall of the clamp rod (7), and the clamp rod (7) slides on the fixed rod (8), and the two ends of the fixed rod (8) are fixed inside the trolley body (2).

2. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 1, characterized in that: The bottom of the shift rod (3) is connected to a first spring (4), and the bottom of the first spring (4) is connected to the inside of the trolley body (2).

3. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 1, characterized in that: A second spring (9) is nested in the inner end of the fixing rod (8), and the inner end of the second spring (9) is connected to the inside of the trolley body (2), and the outer end of the second spring (9) is connected to the inner wall of the clamping rod (7).

4. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 1, characterized in that: A roller (6) is attached to the bending part of the steel wire rope (5), and the roller (6) is connected to the inside of the trolley body (2) via a bearing.

5. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 1, characterized in that: A worm (10) is connected to the interior of the trolley body (2) via a bearing, and a turbine (11) is meshed at the front end of the worm (10).

6. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 5, characterized in that: The turbine (11) rotates inside the trolley body (2) via the balls (12), and the balls (12) are arranged at equal angles on the outer wall of the turbine (11), and the outer ends of the balls (12) fit inside the trolley body (2).

7. The sealed indoor high-voltage vacuum circuit breaker with a trolley according to claim 6, characterized in that: The internal vortex of the turbine (11) is connected to a bracket (13), and the bracket (13) slides inside the trolley body (2) to form a limiting mechanism.

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