CN214201696U

CN214201696U - Special miniature circuit breaker testboard of railway signal

Info

Publication number: CN214201696U
Application number: CN202022593185.5U
Authority: CN
Inventors: 蔡会学
Original assignee: Baoding Huazheng Electrical Manufacturing Co ltd
Current assignee: Baoding Huazheng Electrical Manufacturing Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-09-14
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a special miniature circuit breaker testboard of railway signal. The railway signal special small circuit breaker test bench comprises a cabinet body; the operating platform is fixedly arranged on one side of the cabinet body; the power button switch is fixedly arranged on one side, close to the operating platform, of the cabinet body; the fixed block is fixedly arranged on one side, close to the operating platform, of the cabinet body; the mounting plate is arranged below the fixed block; the connecting seat is fixedly arranged at the top of the mounting plate; the screw rod is rotatably installed on the connecting seat and is in threaded connection with the fixed block. The utility model provides a special miniature circuit breaker testboard of railway signal has the advantage of conveniently accomodating the test wire, avoiding the power button switch among the direct contact high-voltage circuit, reducing the risk of electric shock, improving the security of work.

Description

Special miniature circuit breaker testboard of railway signal

Technical Field

The utility model relates to a circuit breaker testboard technical field especially relates to a special miniature circuit breaker testboard of railway signal.

Background

Along with the continuous construction of railway lines, the number of railway signal circuit breakers used is more and more, and the quality of the circuit breakers directly influences the normal operation of trains. Therefore, the test of the railway signal circuit breaker is particularly important. The publication No. CN201637823U discloses a railway signal special miniature circuit breaker test bench, which comprises a cabinet body, wherein an operation table is arranged in the middle of the cabinet body, a left station test fixture and a right station test fixture are arranged on the operation table, one end of the left station test fixture is connected with a left voltmeter at the upper end of the cabinet body through a lead, one end of the right station test fixture is connected with a right voltmeter at the upper end of the cabinet body through a lead, a power switch is arranged at the lower end of the upper part of the cabinet body, the power switch is connected with an intelligent control display and a current rising/stabilizing device through a lead, a circuit breaker test fixture is arranged between the left station test fixture and the right station test fixture, and the operation table is a cavity. The utility model has the advantages of intelligent degree is high, working property is reliable and stable, labour saving and time saving, short, the test is when large in quantity, realizes the high-efficient quick test.

However, the above utility model has disadvantages that in the process of testing the circuit breaker, a wire is needed to connect the testing equipment with the circuit breaker, and the wire needs to be stored after the test is completed, but the above utility model has no special wire storage device; and the circuit voltage of railway signal circuit breaker in actual work is higher, consequently the voltage that uses in carrying out its test procedure also is higher, and the staff directly presses the power switch button on the test equipment has certain risk, probably produces electric arc or the finger is not dry enough and leads to the electric shock.

Therefore, it is necessary to provide a new test bench for a railway signal dedicated miniature circuit breaker to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a special miniature circuit breaker testboard of railway signal with conveniently accomodate the test wire, avoid the safety of the power button switch in the direct contact high-voltage circuit, reduction electric shock risk, improvement work.

For solving the technical problem, the utility model provides a special miniature circuit breaker testboard of railway signal includes: a cabinet body; the operating platform is fixedly arranged on one side of the cabinet body; the power button switch is fixedly arranged on one side, close to the operating platform, of the cabinet body; the fixed block is fixedly arranged on one side, close to the operating platform, of the cabinet body; the mounting plate is arranged below the fixed block; the connecting seat is fixedly arranged at the top of the mounting plate; the screw rod is rotatably arranged on the connecting seat and is in threaded connection with the fixed block; the two sliding rods are arranged on the mounting plate in a sliding manner; the arc-shaped pressing plates are slidably mounted at the bottom ends of the two sliding rods; the two first springs are respectively sleeved on the two sliding rods in a sliding manner; the winding roller is arranged below the arc-shaped pressing plate; the two baffles are respectively and fixedly arranged on two sides of the winding roller, and one baffle is fixedly connected with the cabinet body; and the crank is fixedly arranged at the top end of the screw rod.

Preferably, the top fixed mounting of mounting panel has first gag lever post, first gag lever post with fixed block sliding connection, the top fixed mounting of first gag lever post has first stopper.

Preferably, two slide holes are formed in the mounting plate, the slide rods are connected with the two slide holes in a sliding mode respectively, and second limiting blocks are fixedly mounted at the top ends of the slide rods.

Preferably, the top of the connecting seat is provided with a groove, a bearing is fixedly installed in the groove, an inner ring of the bearing is fixedly sleeved on the screw rod, and a rubber pad is adhered to the bottom of the arc-shaped pressing plate.

Preferably, still including box body, connecting rod, threaded rod, motor, master gear, pinion, ejector pad and mounting bracket on the cabinet body, the box body is located the cabinet body is close to one side of power button switch, connecting rod slidable mounting be in one side of box body, the connecting rod extends to in the box body, threaded hole is seted up to the one end of connecting rod, threaded rod threaded connection be in the threaded hole, one side fixed mounting of box body has the motor, fixed mounting has the master gear on the output shaft of motor, fixed cover is equipped with the pinion on the threaded rod, ejector pad fixed mounting is in the connecting rod is kept away from the one end of pinion.

Preferably, the box body is close to one side fixed mounting of the cabinet body has the mounting bracket, the mounting bracket with cabinet body fixed connection, the ejector pad with power button switch looks adaptation, the rotation groove has been seted up on one side inner wall of box body, the threaded rod with the rotation groove rotates to be connected, the rated voltage of motor is 12V.

Preferably, the push block is fixedly provided with an installation block, the installation block is fixedly provided with a second limiting rod, the second limiting rod is connected with the box body in a sliding manner, and the second limiting rod is far away from one end of the push block and is fixedly provided with a third limiting block.

Compared with the prior art, the utility model provides a special miniature circuit breaker testboard of railway signal has following beneficial effect:

the utility model provides a railway signal special miniature circuit breaker testboard, through the cabinet body, fixed block, mounting panel, connecting seat, lead screw, slide bar, arc clamp plate, first spring, winding roller, baffle, crank and first gag lever post cooperate, drive arc clamp plate through rotating the crank and descend, will wind the wire on the winding roller and compress tightly, avoid its loose winding, convenient the accomodation to the wire;

the switch-on or switch-off of the power button switch can be realized by pressing the reversing switch of the motor working at low voltage, the risk that the power button switch in a direct contact high-voltage circuit is easily shocked by electric arcs or is wet and electric-shocked by hands is avoided, and the safety of work is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a test board of a railway signal special miniature circuit breaker provided by the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic side view of the structure of FIG. 1;

fig. 4 is a schematic diagram of a second embodiment of the test bench for the railway signal special miniature circuit breaker provided by the present invention;

FIG. 5 is an enlarged view of the portion B shown in FIG. 4;

fig. 6 is an enlarged view of the portion C shown in fig. 5.

Reference numbers in the figures: 1. a cabinet body; 2. an operation table; 3. a fixed block; 4. mounting a plate; 5. a connecting seat; 6. a screw rod; 7. a slide bar; 8. an arc-shaped pressing plate; 9. a first spring; 10. a winding roller; 11. a baffle plate; 12. a crank; 13. a first limit rod; 14. a power button switch; 15. a box body; 16. a connecting rod; 17. a threaded rod; 18. a motor; 19. a main gear; 20. a pinion gear; 21. a push block; 22. and (7) mounting frames.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment:

referring to fig. 1-3, in a first embodiment of the present invention, a test board for a miniature circuit breaker for railway signal comprises: a cabinet body 1; the operating platform 2 is fixedly arranged on one side of the cabinet body 1; the power button switch 14 is fixedly installed on one side, close to the operating platform 2, of the cabinet body 1; the fixed block 3 is fixedly arranged on one side, close to the operating platform 2, of the cabinet body 1; the mounting plate 4 is arranged below the fixed block 3; the connecting seat 5 is fixedly arranged on the top of the mounting plate 4; the screw rod 6 is rotatably arranged on the connecting seat 5, and the screw rod 6 is in threaded connection with the fixed block 3; the two sliding rods 7 are arranged on the mounting plate 4 in a sliding manner; the arc-shaped pressing plates 8 are slidably mounted at the bottom ends of the two sliding rods 7; the two first springs 9 are respectively sleeved on the two sliding rods 7 in a sliding manner; the winding roller 10 is arranged below the arc-shaped pressing plate 8, and the winding roller 10 is arranged below the arc-shaped pressing plate 8; the two baffles 11 are respectively and fixedly arranged on two sides of the winding roller 10, and one baffle 11 is fixedly connected with the cabinet body 1; and the crank 12 is fixedly arranged at the top end of the screw rod 6.

The top fixed mounting of mounting panel 4 has first gag lever post 13, first gag lever post 13 with 3 sliding connection of fixed block, the top fixed mounting of first gag lever post 13 has first stopper.

Two slide bars 7 and two slide holes are respectively and slidably connected with the mounting plate 4, and a second limiting block is fixedly mounted on the top end of each slide bar 7.

The top of the connecting seat 5 is provided with a groove, a bearing is fixedly arranged in the groove, an inner ring of the bearing is fixedly sleeved on the screw rod 6, and a rubber pad is pasted at the bottom of the arc-shaped pressing plate 8.

The utility model provides a special miniature circuit breaker testboard of railway signal's theory of operation as follows:

after the circuit breaker is tested by using the lead, the lead is wound on the winding roller 10, then the crank 12 is rotated to drive the lead screw 6 to rotate, the lead screw 6 moves downwards while rotating, the connecting seat 5 is driven to move downwards, the connecting seat 5 drives the mounting plate 4 to move downwards, the mounting plate 4 drives the sliding rod 7 to move downwards, the sliding rod 7 drives the arc-shaped pressing plate 8 to move downwards until the arc-shaped pressing plate 8 compresses the lead on the winding roller 10, the lead is prevented from loosening, and the lead is convenient to store;

when the circuit breaker needs to be tested by using the lead, the crank 12 is rotated reversely, and the lead is wound out.

cooperate through cabinet body 1, fixed block 3, mounting panel 4, connecting seat 5, lead screw 6, slide bar 7, arc clamp plate 8, first spring 9, winding roller 10, baffle 11, crank 12 and first gag lever post 13, drive arc clamp plate 8 through rotating crank 12 and descend, will compress tightly around the wire on winding roller 10, avoid its loose winding, the convenience is to accomodating of wire.

Second embodiment:

based on the special miniature circuit breaker testboard of railway signal that the first embodiment of this application provided, the second embodiment of this application provides another kind of special miniature circuit breaker testboard of railway signal. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 4-6, the test bench for the railway signal dedicated miniature circuit breaker further includes a box body 15, a connecting rod 16, a threaded rod 17, a motor 18, a main gear 19, a pinion 20, a push block 21 and an installation frame 22, wherein the box body 15 is disposed on one side of the cabinet body 1 close to the power button switch 14, the connecting rod 16 is slidably installed on one side of the box body 15, the connecting rod 16 extends into the box body 15, a threaded hole is formed in one end of the connecting rod 16, the threaded rod 17 is in threaded connection with the threaded hole, the motor 18 is fixedly installed on one side of the box body 15, the main gear 19 is fixedly installed on an output shaft of the motor 18, the pinion 20 is fixedly sleeved on the threaded rod 17, and the push block 21 is fixedly installed on one end of the connecting rod 16 far away from the pinion 20.

The box body 15 is close to one side fixed mounting of the cabinet body 1 has a mounting bracket 22, mounting bracket 22 with the cabinet body 1 fixed connection, ejector pad 21 with power button switch 14 looks adaptation, the rotation groove has been seted up on one side inner wall of box body 15, threaded rod 17 with the rotation groove rotates and connects, motor 18's rated voltage is 12V.

The last fixed mounting of ejector pad 21 has the installation piece, fixed mounting has the second gag lever post on the installation piece, the second gag lever post with 15 sliding connection of box body, the second gag lever post is kept away from the one end fixed mounting of ejector pad 21 has the third stopper.

In this embodiment, the reversing switch of the motor 18 is disposed at one side of the console 2, when the power button switch 14 needs to be pressed during use, the reversing switch of the motor 18 starts the motor 18 to rotate forward to drive the main gear 19 to rotate, the main gear 19 drives the pinion 20 to rotate, the pinion 20 drives the threaded rod 17 to rotate, the threaded rod 17 drives the connecting rod 16 to move toward the power button switch 14, the connecting rod 16 drives the push block 21 to move until the push block 21 pushes the power button switch 14 to turn on or off the power button switch 14, and then the motor 18 is started to rotate backward to separate the push block 21 from the power button switch 14, so that the power button switch 14 can be turned on or off only by pressing the reversing switch of the motor 18 working at a low voltage without requiring a worker to directly press the power button switch 14, and the risk of electric shock to the hand or electric shock caused by direct contact with the power button switch 14 in a high-voltage circuit is avoided, the safety of work is improved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a special miniature circuit breaker testboard of railway signal which characterized in that includes:

a cabinet body;

the operating platform is fixedly arranged on one side of the cabinet body;

the power button switch is fixedly arranged on one side, close to the operating platform, of the cabinet body;

the fixed block is fixedly arranged on one side, close to the operating platform, of the cabinet body;

the mounting plate is arranged below the fixed block;

the connecting seat is fixedly arranged at the top of the mounting plate;

the screw rod is rotatably arranged on the connecting seat and is in threaded connection with the fixed block;

the two sliding rods are arranged on the mounting plate in a sliding manner;

the arc-shaped pressing plates are slidably mounted at the bottom ends of the two sliding rods;

the two first springs are respectively sleeved on the two sliding rods in a sliding manner;

the winding roller is arranged below the arc-shaped pressing plate;

the two baffles are respectively and fixedly arranged on two sides of the winding roller, and one baffle is fixedly connected with the cabinet body;

and the crank is fixedly arranged at the top end of the screw rod.

2. The test bench for the special miniature circuit breaker for railway signals, according to claim 1, wherein a first limiting rod is fixedly installed at the top of the mounting plate, the first limiting rod is slidably connected with the fixing block, and a first limiting block is fixedly installed at the top end of the first limiting rod.

3. The test bench for the special miniature circuit breaker for railway signals according to claim 1, wherein two sliding holes are formed on the mounting plate, the two sliding rods are respectively connected with the two sliding holes in a sliding manner, and second limiting blocks are fixedly mounted at the top ends of the two sliding rods.

4. The test bench for the miniature circuit breaker special for railway signals according to claim 1, wherein a groove is formed in the top of the connecting seat, a bearing is fixedly installed in the groove, an inner ring of the bearing is fixedly sleeved on the screw rod, and a rubber pad is adhered to the bottom of the arc-shaped pressing plate.

5. The test bench for the miniature circuit breaker special for railway signals according to claim 1, wherein the cabinet body further comprises a box body, a connecting rod, a threaded rod, a motor, a main gear, a pinion, a push block and an installation frame, the box body is arranged on one side of the cabinet body close to the power button switch, the connecting rod is slidably installed on one side of the box body, the connecting rod extends into the box body, a threaded hole is formed in one end of the connecting rod, the threaded rod is in threaded connection with the threaded hole, the motor is fixedly installed on one side of the box body, the main gear is fixedly installed on an output shaft of the motor, the pinion is fixedly installed on the threaded rod in a fixing way, and the push block is fixedly installed on one end, away from the pinion.

6. The test bench for the special miniature circuit breaker for railway signals of claim 5, wherein a mounting rack is fixedly mounted on one side of the box body close to the cabinet body, the mounting rack is fixedly connected with the cabinet body, the push block is matched with the power button switch, a rotating groove is formed in the inner wall of one side of the box body, the threaded rod is rotatably connected with the rotating groove, and the rated voltage of the motor is 12V.

7. The test bench for the special miniature circuit breaker for railway signals according to claim 5, wherein a mounting block is fixedly mounted on the pushing block, a second limiting rod is fixedly mounted on the mounting block, the second limiting rod is slidably connected with the box body, and a third limiting block is fixedly mounted at one end of the second limiting rod, which is far away from the pushing block.