Train circuit breaker

Abstract

The utility model discloses a train circuit breaker comprising a main body mechanism, two sides of the top of the main body mechanism are symmetrically and fixedly connected with fixed cylinders; the moving mechanism comprises a motor fixed to the outer wall of the main body mechanism, the outer wall of the circumference of the output end of the motor is sequentially in driven connection with a first synchronous belt and a second synchronous belt from top to bottom, the outer wall of the output end of the motor is fixedly connected with a lead screw, and the outer wall of the circumference of the lead screw is rotationally connected with a meshing sleeve; the meshing sleeve is in driven connection with the inner walls of the first synchronous belt and the second synchronous belt, and the cleaning mechanism comprises a telescopic cylinder which is in driven connection with the circumferential inner walls of the ends, away from the motor, of the first synchronous belt and the second synchronous belt. The problems that when an existing train circuit breaker is used, the existing train circuit breaker is generally installed in a power cabinet, dust easily enters the power cabinet and adheres to the outer wall of an insulating cylinder of the circuit breaker due to heat dissipation holes in the power cabinet, the insulating effect of the insulating cylinder is easily reduced due to the fact that cleaning is not conducted in time, and operation of a power system is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of train circuit breakers, in particular to a train circuit breaker. Background Art

[0002] A circuit breaker is a mechanism that controls the current switch in a train circuit. It is mainly used to control the switch of the circuit and has functions such as short circuit protection and overload protection. When a short circuit or overload occurs in the vehicle's electrical equipment, the circuit breaker will automatically trip and cut off the short circuit or overload current to prevent damage to the electrical equipment and wires and ensure the normal operation of the train.

[0003] However, it still has the following disadvantages in actual use:

[0004] Existing train circuit breakers are generally installed in power cabinets when in use. However, dust can easily enter the power cabinet due to the heat dissipation holes on the power cabinet and adhere to the outer wall of the insulating cylinder of the circuit breaker. If it is not cleaned in time, the insulation effect of the insulating cylinder will be reduced, affecting the operation of the power system. Utility Model Content

[0005] The utility model aims to provide a train circuit breaker to solve the problem raised in the above background technology that the existing train circuit breaker is generally installed in a power cabinet when in use, but due to the heat dissipation holes on the power cabinet, dust can easily enter the power cabinet and adhere to the outer wall of the insulating cylinder of the circuit breaker. If it is not cleaned in time, the insulation effect of the insulating cylinder will be easily reduced, affecting the operation of the power system.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a train circuit breaker, comprising:

[0008] Subject institution;

[0009] A moving mechanism, the moving mechanism includes a motor fixed on the outer wall of the main mechanism, the circumferential outer wall of the motor output end is sequentially connected with the first synchronous belt and the second synchronous belt, the outer wall of the motor output end is fixedly connected with a lead screw, the circumferential outer wall of the lead screw is rotatably connected with an engaging sleeve, and the engaging sleeve is drivenly connected to the inner walls of the first synchronous belt and the second synchronous belt.

[0010] Furthermore, it also includes a cleaning mechanism, which includes a telescopic cylinder drivenly connected to the inner wall of the circumference of one end of the first synchronous belt and the second synchronous belt away from the motor;

[0011] Furthermore, the top of the main body mechanism is symmetrically fixedly connected with fixed cylinders on both sides, the telescopic cylinder is slidably connected to the inner wall of the fixed cylinder, the top of the telescopic cylinder is fixedly connected with a gear, and the outer wall of the gear circumference is meshed with an outer gear ring;

[0012] Furthermore, the outer gear ring is sleeved on the outer wall of the insulating cylinder of the main body mechanism, the bottom of the outer gear ring is fixedly connected with a support cylinder at equal distances around the circumference, the top of the main body mechanism is rotatably connected with a rotating cylinder, and the support cylinder is slidably connected to the inner wall of the rotating cylinder;

[0013] Furthermore, the inner wall of the outer gear ring is equidistantly fixedly connected with a connecting cylinder, the inner wall of the connecting cylinder is fixedly connected with a spring, the end of the spring is fixedly connected with a movable frame, and the outer circumferential wall of the movable frame is fixedly connected with a cleaning frame;

[0014] Furthermore, it also includes an oil passing mechanism, the oil passing mechanism includes an annular tube penetrating and connected to the rotating cylinder, the outer walls of the annular tube on both sides are fixedly connected with a first connecting tube and a second connecting tube in sequence, and the outer wall of the second connecting tube is fixedly connected with an input pipe;

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] 1. In the utility model, the motor is turned on to drive the first synchronous belt and the second synchronous belt to rotate, the first synchronous belt and the second synchronous belt drive the telescopic cylinder to rotate, the telescopic cylinder drives the gear to rotate, the gear drives the outer gear ring to rotate, the outer gear ring drives the connecting cylinder to rotate, the motor drives the lead screw to rotate and drives the meshing sleeve to move linearly along the lead screw, the meshing sleeve drives the first synchronous belt and the second synchronous belt to move up and down, thereby driving the gear to move up and down, the supporting cylinder drives the outer gear ring to move up and down, the outer gear ring is supported and rotated by the supporting cylinder and the connecting cylinder, thereby driving the connecting cylinder to rotate and move up and down, the connecting cylinder drives the movable frame to move, and the movable frame drives the cleaning frame to clean the outer wall of the insulating cylinder to ensure the insulation effect of the insulating cylinder.

[0017] 2. Based on beneficial effect 1, when the connecting tube moves up and down with the outer gear ring, when it moves to a position where the insulating tube has a larger diameter, the movable frame is squeezed, and the movable frame squeezes the spring, so that the cleaning frame contacts the outer wall of the insulating tube; when it moves to a position where the insulating tube has a smaller diameter, the spring rebounds to contact the outer wall of the insulating tube, so that the cleaning frame can clean different diameters of the insulating tube.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 For the utility model Figure 2 A is shown as an enlarged view;

[0023] Figure 4 This is a cross-sectional view of the connecting tube of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Main mechanism; 2. Moving mechanism; 201. Motor; 202. First synchronous belt; 203. Second synchronous belt; 204. Engaging sleeve; 205. Screw rod; 3. Cleaning mechanism; 301. Fixed cylinder; 302. Telescopic cylinder; 303. Gear; 304. Outer gear ring; 305. Rotating cylinder; 306. Support cylinder; 307. Connecting cylinder; 308. Spring; 309. Movable frame; 310. Cleaning frame; 4. Oil-passing mechanism; 401. Annular tube; 402. First connecting tube; 403. Second connecting tube; 404. Input tube. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] See also Figure 1-4 As shown, this embodiment is a train circuit breaker, comprising:

[0031] Main body 1;

[0032] The moving mechanism 2 includes a motor 201 fixed to the outer wall of the main mechanism 1, the circumferential outer wall of the output end of the motor 201 is sequentially driven and connected with the first synchronous belt 202 and the second synchronous belt 203, the outer wall of the output end of the motor 201 is fixedly connected with a lead screw 205, the circumferential outer wall of the lead screw 205 is rotatably connected with a meshing sleeve 204, and the meshing sleeve 204 is driven and connected with the inner wall of the first synchronous belt 202 and the second synchronous belt 203;

[0033] The motor 201 provides power to the first synchronous belt 202, the second synchronous belt 203 and the lead screw 205, the first synchronous belt 202 and the second synchronous belt 203 drive the telescopic cylinder 302 to rotate, the telescopic cylinder 302 drives the gear 303 to rotate, the gear 303 drives the outer gear ring 304 to rotate, the outer gear ring 304 drives the connecting cylinder 307 to rotate, the lead screw 205 rotates to drive the meshing sleeve 204 to move linearly, and the meshing sleeve 204 drives the first synchronous belt 202 and the second synchronous belt 203 to move linearly;

[0034] The cleaning mechanism 3 includes a telescopic cylinder 302 which is drivenly connected to the inner wall of the circumference of one end of the first synchronous belt 202 and the second synchronous belt 203 away from the motor 201;

[0035] The gear 303 can move up and down through the telescopic cylinder 302;

[0036] The top of the main body mechanism 1 is symmetrically fixedly connected with a fixed cylinder 301 on both sides, and the telescopic cylinder 302 is slidably connected to the inner wall of the fixed cylinder 301. The top of the telescopic cylinder 302 is fixedly connected with a gear 303, and the outer wall of the circumference of the gear 303 is meshed with an outer gear ring 304;

[0037] The telescopic cylinder 302 is supported by the fixed cylinder 301;

[0038] The outer gear ring 304 is sleeved on the outer wall of the insulating cylinder of the main body mechanism 1, and the bottom of the outer gear ring 304 is fixedly connected with a support cylinder 306 at equal intervals around the circumference, and the top of the main body mechanism 1 is rotatably connected with a rotating cylinder 305, and the support cylinder 306 is slidably connected to the inner wall of the rotating cylinder 305;

[0039] The outer gear ring 304 is driven to move up and down by the support cylinder 306;

[0040] Working principle: Turn on the motor 201 to drive the first synchronous belt 202 and the second synchronous belt 203 to rotate, the first synchronous belt 202 and the second synchronous belt 203 drive the telescopic cylinder 302 to rotate, the telescopic cylinder 302 drives the gear 303 to rotate, the gear 303 drives the outer gear ring 304 to rotate, the outer gear ring 304 drives the connecting cylinder 307 to rotate, the motor 201 drives the lead screw 205 to rotate and drives the meshing sleeve 204 to move linearly along the lead screw 205, the meshing sleeve 204 drives the first synchronous belt 202 and the second synchronous belt 203 to move up and down, thereby driving the gear 303 to move up and down, the gear 303 drives the outer gear ring 304 to move up and down, the outer gear ring 304 is supported and rotated by the supporting cylinder 306 and the connecting cylinder 307, thereby driving the connecting cylinder 307 to rotate and move up and down, the connecting cylinder 307 drives the movable frame 309 to move, and the movable frame 309 drives the cleaning frame 310 to clean the outer wall of the insulating cylinder;

[0041] This step can ensure the insulation effect of the insulation tube.

[0042] See also Figure 1-4 As shown, this embodiment is based on the above embodiment 1 and also includes:

[0043] The inner wall of the outer gear ring 304 is equidistantly fixedly connected with a connecting cylinder 307, the inner wall of the connecting cylinder 307 is fixedly connected with a spring 308, the end of the spring 308 is fixedly connected with a movable frame 309, and the outer wall of the movable frame 309 is fixedly connected with a cleaning frame 310;

[0044] The movable frame 309 is supported by the connecting tube 307, the movable frame 309 is returned to its original position by the rebound of the spring 308, and the outer wall of the insulating tube is cleaned by the cleaning frame 310;

[0045] The oil passing mechanism 4 includes an annular tube 401 penetrating and connected to the rotating cylinder 305, the outer walls of the annular tube 401 on both sides are fixedly connected with the first connecting tube 402 and the second connecting tube 403 in sequence, and the outer wall of the second connecting tube 403 is fixedly connected with the input tube 404;

[0046] The oil is transported to the movable frame 309 through the annular tube 401, connected to the first connecting tube 402 and the second connecting tube 403, and the oil is input into the annular tube 401 through the input tube 404;

[0047] Working principle: When the connecting tube 307 moves up and down with the outer gear ring 304, when it moves to a position where the insulating tube has a larger diameter, the movable frame 309 is squeezed, and the movable frame 309 squeezes the spring 308, so that the cleaning frame 310 contacts the outer wall of the insulating tube. When it moves to a position where the insulating tube has a smaller diameter, the spring 308 rebounds to make the movable frame 309 contact the outer wall of the insulating tube. Lubricating oil is input into the input pipe 404 through the oil pump, and the first connecting pipe 402 and the second connecting pipe 403 are manually fixedly connected to transport the lubricating oil, and the oil is output to the outer wall of the insulating tube through the movable frame 309 for lubrication;

[0048] This step enables the cleaning frame 310 to clean different diameters of the insulation tube.

[0049] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A train circuit breaker, characterized in that: include: Subject organization (1); A moving mechanism (2), the moving mechanism (2) comprising a motor (201) fixed to the outer wall of the main body mechanism (1), the circumferential outer wall of the output end of the motor (201) being sequentially driven connected to a first synchronous belt (202) and a second synchronous belt (203) in sequence, the output end of the motor (201) being fixedly connected to a lead screw (205), the circumferential outer wall of the lead screw (205) being rotatably connected to an engagement sleeve (204), the engagement sleeve (204) being driven connected to the inner walls of the first synchronous belt (202) and the second synchronous belt (203).

2. A train circuit breaker according to claim 1, characterized in that: It also comprises a cleaning mechanism (3), wherein the cleaning mechanism (3) comprises a telescopic cylinder (302) drivenly connected to the inner wall of the circumference of one end of the first synchronous belt (202) and the second synchronous belt (203) away from the motor (201).

3. A train circuit breaker according to claim 1, characterized in that: The main body mechanism (1) has fixed cylinders (301) symmetrically fixedly connected to both sides of the top, the telescopic cylinder (302) is slidably connected to the inner wall of the fixed cylinder (301), the top of the telescopic cylinder (302) is fixedly connected to a gear (303), and the outer circumferential wall of the gear (303) is meshed with an outer gear ring (304).

4. A train circuit breaker according to claim 3, characterized in that: The outer gear ring (304) is sleeved on the outer wall of the insulating cylinder of the main body mechanism (1); the bottom of the outer gear ring (304) is fixedly connected to a support cylinder (306) at equal intervals around the circumference; the top of the main body mechanism (1) is rotatably connected to a rotating cylinder (305); and the support cylinder (306) is slidably connected to the inner wall of the rotating cylinder (305).

5. A train circuit breaker according to claim 4, characterized in that: The inner wall of the outer gear ring (304) is equidistantly fixedly connected with a connecting cylinder (307), the inner wall of the connecting cylinder (307) is fixedly connected with a spring (308), the end of the spring (308) is fixedly connected with a movable frame (309), and the circumferential outer wall of the movable frame (309) is fixedly connected with a cleaning frame (310).

6. A train circuit breaker according to claim 4, characterized in that: It also includes an oil passing mechanism (4), the oil passing mechanism (4) including an annular tube (401) penetrating and connected to the rotating cylinder (305), the outer walls of the annular tube (401) on both sides are fixedly connected with a first connecting tube (402) and a second connecting tube (403) in sequence, and the outer wall of the second connecting tube (403) is fixedly connected with an input tube (404).

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