Testing device of pole-mounted circuit breaker

Abstract

The utility model relates to the field of pole-mounted circuit breakers, and discloses a pole-mounted circuit breaker testing device comprising a testing box; the number of the traction ropes is multiple, and at least parts of the traction ropes are arranged in the test box; the number of the control wheels is multiple, the multiple control wheels are installed in the test box, and the traction rope is connected to the control wheels; and the connector is mounted at one end of the traction rope and is used for being connected with a high-voltage wiring end on a pole-mounted circuit breaker. According to the utility model, the pulling rope drives the connector to move, the pulling force possibly suffered by the wiring terminal on the vacuum arc-extinguishing chamber can be accurately simulated, the connection stability of the wiring terminal can be more accurately evaluated, the power source drives the plurality of control wheels to rotate at the same time, and the plurality of pulling ropes can be simultaneously driven to synchronously test the plurality of wiring terminals.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pole-mounted circuit breaker, especially to a pole-mounted circuit breaker testing device. BACKGROUND

[0002] The pole-mounted circuit breaker is a circuit breaker installed and operated on a pole, which undertakes important responsibilities such as protecting circuits and isolating faults in power systems. To ensure the safe and stable operation of the pole-mounted circuit breaker, a series of tests need to be performed, which mainly include mechanical performance tests, electrical performance tests, and environmental adaptability tests.

[0003] When the pole-mounted circuit breaker is connected to the power system, its input terminal and output terminal need to be connected to the high-voltage line. Since the high-voltage line is affected by various external factors such as wind and temperature changes during power transmission, it will frequently pull the connection terminal. This continuous mechanical stress can easily cause the connection between the wiring terminal and the vacuum arc chamber to loosen.

[0004] The existing testing device has obvious deficiencies in simulating the connection stability of the wiring terminal, and it is difficult to effectively simulate the pull test of the connection stability of the wiring terminal on the vacuum arc chamber. UTILITY MODEL CONTENTS

[0005] To solve the above-mentioned problems, the utility model is implemented through the following technical solutions.

[0006] A pole-mounted circuit breaker testing device, comprising: a test box; a plurality of traction ropes, at least partially arranged in the test box; a plurality of control wheels, installed in the test box, and the traction ropes are connected to the control wheels; a connecting head installed at one end of the traction rope, used to connect the high-voltage wiring terminal on the pole-mounted circuit breaker.

[0007] Preferably, the connecting head comprises a tension sensor installed on the connecting head, and the end of the traction rope away from the control wheel is connected to the tension sensor.

[0008] Preferably, the connecting head further comprises a connecting groove opened on the connecting head, and the high-voltage wiring terminal is installed in the connecting groove; a bolt is arranged through the connecting head, and the connecting head is connected to the high-voltage wiring terminal through the bolt.

[0009] Preferably, the test box comprises a drive rod installed in the test box, and the control wheels are installed on the drive rod.

[0010] Preferably, the test box further comprises a power source installed on one side of the test box, and the power shaft of the power source is connected to the drive rod.

[0011] Preferably, the control wheel comprises a moving block mounted on the inner ring of the control wheel, and a moving groove is formed on the driving rod, and the moving block is connected in the moving groove.

[0012] Preferably, the test box further comprises a through hole formed on the test box, and the traction rope passes through the through hole.

[0013] Preferably, the test device further comprises a base, and the test box is mounted on the base, and the pole-mounted circuit breaker is arranged on the base.

[0014] The utility model provides a kind of test device of pole-mounted circuit breaker.Compared with prior art, it has the following beneficial effects: connection head is moved by traction rope, the pulling force that wiring terminal can suffer on vacuum arc-extinguishing chamber can be accurately simulated, its connection stability is more accurately evaluated, power source drives multiple control wheels to rotate simultaneously, multiple traction ropes can drive multiple wiring terminals to carry out synchronous test simultaneously, the flexible movement design of control wheel on driving rod makes that test device can adapt to wiring terminal of different spacing, without replacing test component, multiple test requirements can be satisfied, the flexibility and adaptability of test are improved, the design of connection head uses standardized connection interface, connection operation in test process is simplified, the convenience and efficiency of test are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the utility model.

[0016] Figure 2 It is another perspective structural schematic view of the utility model.

[0017] Figure 3 It is a test box and traction rope structural schematic view of the utility model.

[0018] Figure 4 It is a test box and traction rope cross-sectional schematic view of the utility model.

[0019] Figure 5 It is a driving rod, control wheel, traction rope and connection head cross-sectional schematic view of the utility model.

[0020] Reference signs in the drawings are:

[0021] 100, base;

[0022] 200, pole-mounted circuit breaker; 201, high-voltage wiring terminal;

[0023] 300, test box; 301, driving rod; 302, control wheel; 303, through hole; 304, moving block; 305, moving groove; 306, power source;

[0024] 400, traction rope; 401, connecting head; 402, connecting groove; 403, bolt; 404, tension sensor. DETAILED DESCRIPTION

[0025] The utility model will be further described below in conjunction with specific embodiments, and it should be understood that these embodiments are only used to illustrate the utility model and not used to limit the protection scope of the utility model.

[0026] The embodiments of the utility model are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosure of the specification. The utility model can also be implemented or applied through other different specific embodiments, and various modifications or changes can be made to the details in the specification based on different viewpoints and applications without departing from the spirit of the utility model.

[0027] Referring to Figures 1-5 A testing device of pole-mounted circuit breaker, comprising: a testing box 300; a plurality of traction ropes 400, the traction ropes 400 are at least partially arranged in the testing box 300; a plurality of control wheels 302, the plurality of control wheels 302 are installed in the testing box 300, and the traction ropes 400 are connected to the control wheels 302; a connecting head 401, which is installed at one end of the traction rope 400, and the connecting head 401 is used to connect a high-voltage wiring end 201 of the pole-mounted circuit breaker 200; a base 100, wherein the testing box 300 is installed on the base 100, and the pole-mounted circuit breaker 200 is arranged on the base 100.

[0028] In the embodiment, the traction ropes 400 are wound by the control wheels 302, the traction ropes 400 can pull the connecting head 401, the connecting head 401 can perform stretching test on the high-voltage wiring end 201 of the pole-mounted circuit breaker 200, the testing box 300 provides a closed and safe test environment, allows accurate test of the pole-mounted circuit breaker 200, reduces external interference, the traction ropes 400 provide a reliable force and motion transmission path, ensure that the test process can be carried out smoothly, and the adjustability of the number and length helps to adapt to the test requirements of different models of the pole-mounted circuit breaker 200.

[0029] Referring to Figure 4 And Figure 5 The connecting head 401 comprises: a tension sensor 404, which is installed on the connecting head 401, and one end of the traction rope 400, which is away from the control wheel 302, is connected to the tension sensor 404; a connecting groove 402, which is arranged on the connecting head 401, and the high-voltage wiring end 201 is installed in the connecting groove 402; and a bolt 403, which is arranged through the connecting head 401, and the connecting head 401 is connected to the high-voltage wiring end 201 through the bolt 403.

[0030] The tension sensor 404 can monitor the change of tension in real time during the test process, which helps to evaluate the performance of the pole-mounted circuit breaker 200. The tension sensor 404 can accurately measure and record the tension data during the test process, which provides an important basis for evaluating the performance of the pole-mounted circuit breaker 200. The design of the connecting groove 402 allows the high-voltage terminal 201 to be installed on the connecting head 401 in a proper manner, and provides a standardized connection interface, which helps to simplify the connection operation during the test process and improves the stability and reliability of the connection. The connecting head 401 and the high-voltage terminal 201 are connected by the bolt 403, which provides a reliable connection force, ensuring that the connection between the connecting head 401 and the high-voltage terminal 201 during the test process will not be loose or fail. The base 100 provides a stable support platform, ensuring the stability and safety of the equipment during the test process.

[0031] Referring to Figure 3 , Figure 4 and Figure 5 , the test box 300 comprises a driving rod 301 installed in the test box 300, and a control wheel 302 installed on the driving rod 301; a power source 306 is installed on one side of the test box 300, and the power shaft of the power source 306 is connected with the driving rod 301; the control wheel 302 comprises a moving block 304 installed on the inner ring of the control wheel 302, and a moving groove 305 is opened on the driving rod 301, and the moving block 304 is connected in the moving groove 305; a through hole 303 is opened on the test box 300, and the traction rope 400 penetrates through the through hole 303.

[0032] The power source 306 adopts a stepping motor, and can also adopt a servo motor. The power source 306 provides a stable and controllable driving force source 306, ensuring that the force and motion conditions during the test process can meet the test requirements. The driving rod 301 is driven to rotate by the power source 306, and the driving rod 301 drives several control wheels 302 to rotate at the same time, which can simultaneously drive multiple traction ropes 400 to be wound together, and can simultaneously test multiple high-voltage terminals 201 on the pole-mounted circuit breaker 200.

[0033] The control wheel 302 can move flexibly on the driving rod 301, and the control wheel 302 drives the moving block 304 to slide in the moving groove 305 when moving, so as to adapt to high-voltage terminals 201 with different spacings. The through hole 303 provides a channel for the traction rope 400, ensuring that the traction rope 400 can smoothly transmit force and motion to the external connecting head 401.

[0034] In use, the test box 300 is installed on the base 100, and the test box 300 is ensured to be stable, the pole-mounted circuit breaker 200 is placed in the designated position on the base 100, one end of the traction rope 400 is connected to the control wheel 302, and the connection is ensured to be firm, the other end of the traction rope 400 is connected to the tension sensor 404 on the connecting head 401, the connecting head 401 is installed on the high-voltage terminal 201 of the pole-mounted circuit breaker 200, and is fixed through the connecting groove 402 and the bolt 403, and the connection is ensured to be stable and reliable, the driving parameters of the power source 306 are set according to the test requirements, such as the rotating speed and the torque, the monitoring parameters of the tension sensor 404 are configured, such as the sampling frequency and the data recording mode, the power source 306 is started to work and drive the driving rod 301 to rotate, when the driving rod 301 rotates, the control wheel 302 installed thereon rotates together, the control wheel 302 applies tension to the connecting head 401 through the traction rope 400 during rotation, thereby stretching the high-voltage terminal 201 of the pole-mounted circuit breaker 200, the tension sensor 404 monitors the tension change in real time during the test process and records the data, and the deformation of the high-voltage terminal 201 is observed at the same time, and the monitoring data can be used to evaluate the performance of the pole-mounted circuit breaker 200, if the position of the control wheel 302 needs to be adjusted to adapt to high-voltage terminals 201 with different spacings during the test process, the sliding of the moving block 304 in the moving groove 305 can be used to achieve this, and after the adjustment is completed, the test is continued.

[0035] Compared with the prior art, the following beneficial effects are achieved:

[0036] The traction rope 400 drives the connecting head 401 to move, which can accurately simulate the pulling force that the terminal may suffer on the vacuum arc-extinguishing chamber, and more accurately evaluate the connection stability, and the power source 306 drives multiple control wheels 302 to rotate at the same time, which can simultaneously drive multiple traction ropes 400 to perform synchronous tests on multiple terminals.

[0037] The flexible movement design of the control wheel 302 on the driving rod 301 enables the test device to adapt to terminals with different spacings, without the need to replace test components to meet various test requirements, thereby improving the flexibility and adaptability of the test, the connecting head 401 is designed with a standardized connection interface, which simplifies the connection operation in the test process and improves the convenience and efficiency of the test.

[0038] Thus, although the present application has been described herein with reference to particular embodiments thereof, modifications, alterations and substitutions are possible within the scope and spirit of the application as disclosed above and as claimed below, and it is understood that some features of the present application could be employed without a corresponding use of the other features, and in some instances, without departing from the scope and spirit of the application. Accordingly, many modifications can be made in the particular embodiments without departing from the scope and spirit of the application. The present application is not intended to be limited to the particular embodiments used in the following claims, and / or the particular examples disclosed as the best mode for carrying out the present application, but the present application will include any and all embodiments and equivalents falling within the scope of the appended claims. Thus, the scope of the present application will only be determined by the appended claims.

Claims

1. A testing device for a pole-mounted circuit breaker, characterized by The utility model relates to a kind of test box and its control wheel, including: Test box (300); Towrope (400), quantity is several, the towrope (400) is at least partially arranged in test box (300); Control wheel (302), quantity is several, several control wheel (302) is installed in test box (300), the towrope (400) is connected on control wheel (302); Connector (401) is installed in one end of the towrope (400), and connector (401) is used to connect high-voltage wiring end (201) on pole-mounted circuit breaker (200).

2. A test device for a pole-mounted circuit breaker according to claim 1, characterized in that The connector (401) includes: Tension sensor (404) is installed on the connector (401), and one end of the towrope (400) away from control wheel (302) is connected with tension sensor (404).

3. The testing device for a pole-mounted circuit breaker according to claim 1, wherein The connector (401) further includes: Connecting groove (402) is opened in the connector (401), and high-voltage wiring end (201) is installed in connecting groove (402); Bolt (403) is arranged through the connector (401), and connector (401) is connected with high-voltage wiring end (201) by bolt (403).

4. The testing device for a pole-mounted circuit breaker according to claim 1, wherein The test box (300) includes: Driving rod (301) is installed in the test box (300), and control wheel (302) is installed on driving rod (301).

5. A test device for a pole-mounted circuit breaker according to claim 4, characterized in that The test box (300) further includes: Power source (306) is installed on one side of the test box (300), and the power shaft of power source (306) is connected with driving rod (301).

6. The testing device for a pole-mounted circuit breaker according to claim 4, wherein The control wheel (302) includes: Moving block (304) is installed in the inner ring of control wheel (302), and moving slot (305) is opened on the driving rod (301), and moving block (304) is connected in moving slot (305).

7. The testing device for a pole-mounted circuit breaker of claim 1, wherein, The test box (300) further includes: Through-hole (303) is opened in the test box (300), and the towrope (400) is penetrated through through-hole (303).

8. The testing device for a pole-mounted circuit breaker of claim 1, wherein, Further including: Base (100), the test box (300) is installed on base (100), and pole-mounted circuit breaker (200) is arranged on base (100).

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