Universal switch cabinet circuit breaker speed testing device

Abstract

The invention relates to the technical field of circuit breaker detection, and provides a universal switch cabinet circuit breaker speed testing device, which comprises a mounting seat; the crank arm is detachably fixed on a transmission shaft of the switch cabinet; the half gear is arranged on the crank arm; the first gear is rotationally arranged on the mounting seat, and the first gear is meshed with the half gear; the second gear is rotationally arranged on the mounting seat, and the second gear is meshed with the first gear; and the speed sensor is arranged between the mounting seat and the second gear and is used for detecting the rotating speed of the second gear. By means of the technical scheme, the problems that an existing speed sensor is inconvenient to install and large in measurement error are solved.

Description

Technical Field

[0001] The invention relates to the technical field of circuit breaker detection, and in particular to a universal switch cabinet circuit breaker speed testing device. Background Art

[0002] As an important link between power grid transformation and distribution, switchgear is an important equipment to ensure safe and reliable power supply. Circuit breakers are the core components in switchgear. Their safe and stable operation directly affects the basic electricity consumption of residents and the production electricity consumption of enterprises. Therefore, routine tests are required to determine whether the circuit breaker opening and closing time, speed and other indicators are within the normal range. Speed ​​test is an important process of routine test. During the on-site implementation, it was found that the existing speed sensor was not convenient to install and had a large measurement error. Summary of the invention

[0003] The present invention provides a universal switch cabinet circuit breaker speed testing device, which solves the problem that the existing speed sensor is inconvenient to install and has a large measurement error.

[0004] The technical solution of the present invention is as follows:

[0005] A universal switch cabinet circuit breaker speed testing device, comprising:

[0006] Mounting seat;

[0007] A crank arm, used for being fixed on the drive shaft of the switch cabinet in a detachable manner;

[0008] A half gear, arranged on the crank arm;

[0009] A first gear, rotatably disposed on the mounting seat, and the first gear is meshed with the half gear;

[0010] a second gear, rotatably disposed on the mounting seat, and the second gear is meshed with the first gear;

[0011] A speed sensor is arranged between the mounting seat and the second gear and is used to detect the rotation speed of the second gear.

[0012] As a further technical solution, the crank arm comprises:

[0013] There are two clamping blocks, and the two clamping blocks are fixedly connected to the switch cabinet transmission shaft by clamping.

[0014] As a further technical solution, the two clamping blocks each have a hinged end, a clamping portion and a fixed end. The hinged ends of the two clamping blocks are respectively hingedly arranged at the two ends of the hinged block. The clamping portion of the clamping block is provided with a clamping groove for clamping the switch cabinet drive shaft. A locking assembly is provided between the fixed ends of the two clamping blocks. Under the locking action of the locking assembly, the clamping block is clamped and fixed on the switch cabinet drive shaft.

[0015] As a further technical solution, it also includes:

[0016] A sliding seat, and the mounting seat is slidably connected to the sliding seat.

[0017] As a further technical solution, the sliding seat has a clamping groove, and the sliding seat is used to be clamped and arranged on the cabinet body of the switch cabinet through the clamping groove.

[0018] As a further technical solution, a locking mechanism for fixing the mounting seat on the sliding seat is provided between the mounting seat and the sliding seat.

[0019] As a further technical solution, the sliding seat has a first adjustment hole, and the locking mechanism includes:

[0020] A first adjusting rod is rotatably disposed in the first adjusting hole, and the first adjusting rod has a protrusion;

[0021] A second adjusting rod is sleeved on the first adjusting rod, the second adjusting rod has a spiral groove, and the end of the spiral groove has a locking groove, the locking groove is arranged along the circumference of the second adjusting rod, and the protrusion is located in the spiral groove, and after the first adjusting rod rotates, the protrusion slides in the spiral groove;

[0022] The knob is arranged on the first adjusting rod.

[0023] As a further technical solution, the sliding seat has a second adjustment hole, the second adjustment hole is connected to the clamping groove, and further includes:

[0024] The third adjusting rod is threadedly arranged in the second adjusting hole.

[0025] As a further technical solution, it also includes:

[0026] The power-assisting rod is arranged on the third adjusting rod, and the power-assisting rod and the third adjusting rod are arranged vertically.

[0027] The working principle and beneficial effects of the present invention are:

[0028] In the present invention, the mounting groove on the crank arm is aligned with the switch cabinet transmission shaft and is firmly fixed on the transmission shaft. Ensure that the crank arm can rotate synchronously with the rotation of the transmission shaft. Fix the half gear on the crank arm to ensure that it rotates synchronously with the crank arm. Rotate the first gear on the mounting seat and adjust its position so that the first gear and the half gear can mesh correctly. The meshing of the first gear and the half gear can be adjusted by adjusting the position of the mounting seat, and then rotate the second gear on the mounting seat and mesh it with the first gear. Arrange the speed sensor coaxially on the second gear to ensure that the sensor can accurately detect the rotation speed of the second gear. Compared with the traditional speed detection device that detects by setting a magnet at the reserved hole, this solution has higher measurement accuracy, and the installation of the detection process equipment is also simpler, which improves the accuracy while also improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Figure 1 This is a schematic diagram of the structure after installation of the present invention;

[0031] Figure 2 It is a schematic diagram of the structure of the present invention;

[0032] Figure 3 It is a schematic diagram of the structure of the sliding seat of the present invention;

[0033] Figure 4 This is a schematic diagram of the structure of the first adjusting rod of the present invention;

[0034] Figure 5 for Figure 1 Schematic diagram of the local enlarged structure at A.

[0035] In the figure: 1, mounting seat, 2, crank arm, 4, half gear, 5, first gear, 6, second gear, 7, speed sensor, 8, clamping block, 9, hinged end, 10, clamping part, 11, fixed end, 12, clamping groove, 13, hinged block, 14, locking assembly, 15, locking mechanism, 16, sliding seat, 17, locking groove, 18, clamping groove, 19, first adjusting hole, 20, first adjusting rod, 21, protrusion, 22, second adjusting rod, 23, spiral groove, 24, knob, 25, second adjusting hole, 26, third adjusting rod, 27, power assist rod. DETAILED DESCRIPTION

[0036] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Example

[0038] like Figure 1 to Figure 5 As shown, this embodiment proposes

[0039] A universal switch cabinet circuit breaker speed testing device 7, comprising:

[0040] Mounting seat 1;

[0041] A crank arm 2, used for being fixed on the transmission shaft of the switch cabinet in a detachable manner;

[0042] A half gear 4 is arranged on the crank arm 2;

[0043] The first gear 5 is rotatably arranged on the mounting base 1, and the first gear 5 is meshed with the half gear 4;

[0044] The second gear 6 is rotatably disposed on the mounting base 1, and the second gear 6 is meshed with the first gear 5;

[0045] The speed sensor 7 is arranged between the mounting base 1 and the second gear 6, and is used to detect the rotation speed of the second gear 6. The position of the mounting base 1 can be adjusted so that the first gear 5 located on the mounting base 1 is close to the half gear 4 arranged on the switch cabinet transmission shaft.

[0046] In this embodiment, the mounting groove on the crank arm 2 is aligned with the switch cabinet drive shaft and is firmly fixed on the drive shaft. Ensure that the crank arm 2 can rotate synchronously with the rotation of the drive shaft. Fix the half gear 4 on the crank arm 2 to ensure that it rotates synchronously with the crank arm 2. The first gear 5 is rotatably set on the mounting base 1, and its position is adjusted so that the first gear 5 and the half gear 4 can be properly meshed. The meshing of the first gear 5 and the half gear 4 can be adjusted by adjusting the position of the mounting base 1, and then the second gear 6 is rotatably set on the mounting base 1 and meshed with the first gear 5. The speed sensor 7 is coaxially arranged on the second gear 6 to ensure that the sensor can accurately detect the rotation speed of the second gear 6. Compared with the traditional speed detection device that detects by setting a magnet at the reserved hole, this solution has higher measurement accuracy, and the detection process equipment installation is also simpler, which improves the accuracy while also improving the detection efficiency.

[0047] Further, the crank arm 2 comprises:

[0048] There are two clamping blocks 8, and the two clamping blocks 8 are fixedly connected to the transmission shaft of the switch cabinet by means of clamping.

[0049] In this embodiment, the two clamping blocks 8 of this solution are fixedly arranged on the transmission shaft of the switch cabinet by means of clamping, so as to ensure that the clamping blocks 8 of this solution can rotate along with the rotation of the transmission shaft.

[0050] Furthermore, the two clamping blocks 8 each have a hinged end 9, a clamping portion 10 and a fixed end 11. The hinged ends 9 of the two clamping blocks 8 are hingedly arranged at the two ends of the hinged block 13 respectively. The clamping portion 10 of the clamping block 8 is provided with a clamping groove 12 for clamping the switch cabinet drive shaft. A locking assembly 14 is provided between the fixed ends 11 of the two clamping blocks 8. Under the locking action of the locking assembly 14, the clamping block 8 is clamped and fixed on the switch cabinet drive shaft.

[0051] In this embodiment, the clamping block 8 having the hinged end 9, the clamping portion 10 and the fixed end 11, and the hinged block 13 are designed so that the crank arm 2 can flexibly adapt to the switch cabinet transmission shaft of different diameters and shapes. Through the locking action of the locking assembly 14, the clamping block 8 can be firmly fixed on the switch cabinet transmission shaft, ensuring that the sensor will not move or rotate due to external force during operation, thereby ensuring the accuracy of speed measurement. The locking assembly 14 can be a bolt assembly.

[0052] Furthermore, it also includes:

[0053] The mounting base 1 is slidably connected to the sliding base 16 .

[0054] In this embodiment, the present scheme sets a sliding seat 16, and the distance between the first gear 5 and the half gear 4 located on the crank arm 2 can be adjusted by sliding the mounting seat 1 on the sliding seat 16, so that the present device can adjust the engagement and non-engagement of the first gear 5 and the half gear 4 on different switch cabinets by adjusting the relative position between the mounting seat 1 and the sliding seat 16, so as to adapt to switch cabinets of different specifications.

[0055] Furthermore, the sliding seat 16 has a clamping groove 18 , and the sliding seat 16 is used to be clamped and arranged on the cabinet body of the switch cabinet through the clamping groove 18 .

[0056] In this embodiment, a clamping groove 18 is provided on the sliding seat 16 , and the cabinet body of the switch cabinet can be clamped by the clamping groove 18 , so that the present solution can be set on the cabinet bodies of various switch cabinets.

[0057] Furthermore, a locking mechanism 15 for fixing the mounting seat 1 on the sliding seat 16 is provided between the mounting seat 1 and the sliding seat 16 .

[0058] In this embodiment, a locking mechanism 15 for fixing the mounting seat 1 and the sliding seat 16 is provided on the sliding seat 16 and the mounting seat 1. The locking mechanism 15 can lock the sliding seat 16 and the mounting seat 1 during the test process, thereby avoiding relative sliding of the mounting seat 1 and the sliding seat 16 during the test process, and further improving the test accuracy.

[0059] Further, the sliding seat 16 has a first adjustment hole 19, and the locking mechanism 15 includes:

[0060] A first adjusting rod 20 is rotatably disposed in the first adjusting hole 19, and the first adjusting rod 20 has a protrusion 21;

[0061] The second adjusting rod 22 is sleeved on the first adjusting rod 20. The second adjusting rod 22 has a spiral groove 23, and the end of the spiral groove 23 has a locking groove 17. The locking groove 17 is arranged along the circumference of the second adjusting rod 22, and the protrusion 21 is located in the spiral groove 23. After the first adjusting rod 20 rotates, the protrusion 21 slides in the spiral groove 23.

[0062] The knob 24 is disposed on the first adjusting rod 20 .

[0063] In this embodiment, this scheme can be achieved by rotating the first adjusting rod 20, and the first adjusting rod 20 cannot move axially. During the rotation of the first adjusting rod 20, the second adjusting rod 22 can be moved along the axial direction of the first adjusting rod 20 through the action of the spiral groove 23 and the protrusion 21, thereby completing the relative fixation of the sliding seat 16 and the mounting seat 1, and a locking groove 17 arranged along the circumference of the second adjusting rod 22 is provided at the end of the sliding groove. When the first adjusting rod 20 is rotated so that the protrusion 21 slides into the locking groove 17, the fixed locking of the mounting seat 1 and the sliding seat 16 can be achieved.

[0064] Furthermore, the sliding seat 16 has a second adjustment hole 25, the second adjustment hole 25 is connected to the clamping groove 18, and further includes:

[0065] The third adjusting rod 26 is threadedly disposed in the second adjusting hole 25 .

[0066] In this embodiment, the user can conveniently adjust the size of the clamping groove 18 by rotating the third adjusting rod 26 in the second adjusting hole 25. In practical applications, different types of switch cabinet circuit breakers have different sizes and shapes. By adjusting the size of the clamping groove 18, the technical solution can ensure that the sliding seat 16 can be tightly and stably clamped on the corresponding component, thereby improving the stability and reliability of the installation.

[0067] Furthermore, it also includes:

[0068] The power-assisting rod 27 is disposed on the third adjusting rod 26 , and the power-assisting rod 27 and the third adjusting rod 26 are arranged vertically.

[0069] In this embodiment, the setting of the booster rod 27 enables the user to obtain additional torque when adjusting the third adjustment rod 26, thereby more easily adjusting the size of the clamping slot 18. This design is particularly suitable for scenes that require greater force for fine-tuning, reduces the difficulty of operation, and improves work efficiency.

[0070] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal switch cabinet circuit breaker speed test device, characterized in that: include: Mounting seat (1); A crank arm (2), used for being fixed on the transmission shaft of the switch cabinet in a detachable manner; A half gear (4) is arranged on the crank arm (2); A first gear (5) is rotatably mounted on the mounting seat (1), and the first gear (5) is meshed with the half gear (4); A second gear (6) is rotatably mounted on the mounting seat (1), and the second gear (6) is meshed with the first gear (5); A speed sensor (7) is arranged between the mounting seat (1) and the second gear (6) and is used to detect the rotation speed of the second gear (6).

2. A universal switch cabinet circuit breaker speed test device according to claim 1, characterized in that: The crank arm (2) comprises: There are two clamping blocks (8), and the two clamping blocks (8) are fixedly connected to the switch cabinet transmission shaft by means of clamping.

3. A universal switch cabinet circuit breaker speed test device according to claim 2, characterized in that: The two clamping blocks (8) each have a hinged end (9), a clamping portion (10) and a fixed end (11); the hinged ends (9) of the two clamping blocks (8) are respectively hingedly arranged at the two ends of a hinged block (13); the clamping portion (10) of the clamping block (8) is provided with a clamping groove (12) for clamping the switch cabinet transmission shaft; a locking assembly (14) is provided between the fixed ends (11) of the two clamping blocks (8); under the locking action of the locking assembly (14), the clamping block (8) is clamped and fixed on the switch cabinet transmission shaft.

4. A universal switch cabinet circuit breaker speed test device according to claim 1, characterized in that: Also includes: A sliding seat (16), wherein the mounting seat (1) is slidably connected to the sliding seat (16).

5. A universal switch cabinet circuit breaker speed test device according to claim 4, characterized in that: The sliding seat (16) has a clamping groove (18), and the sliding seat (16) is used for being clamped and arranged on a cabinet body of a switch cabinet through the clamping groove (18).

6. A universal switch cabinet circuit breaker speed test device according to claim 4, characterized in that: A locking mechanism (15) for fixing the mounting seat (1) on the sliding seat (16) is provided between the mounting seat (1) and the sliding seat (16).

7. A universal switch cabinet circuit breaker speed test device according to claim 6, characterized in that: The sliding seat (16) has a first adjustment hole (19), and the locking mechanism (15) comprises: A first adjusting rod (20) is rotatably disposed in the first adjusting hole (19), and the first adjusting rod (20) has a protrusion (21); A second adjusting rod (22) is sleeved on the first adjusting rod (20), the second adjusting rod (22) having a spiral groove (23), and the end of the spiral groove (23) having a locking groove (17), the locking groove (17) being arranged along the circumference of the second adjusting rod (22), and the protrusion (21) being located in the spiral groove (23), and after the first adjusting rod (20) rotates, the protrusion (21) slides in the spiral groove (23); A knob (24) is arranged on the first adjusting rod (20).

8. A universal switch cabinet circuit breaker speed test device according to claim 5, characterized in that: The sliding seat (16) has a second adjustment hole (25), the second adjustment hole (25) is connected to the clamping groove (18), and further comprises: The third adjusting rod (26) is threadedly arranged in the second adjusting hole (25).

9. A universal switch cabinet circuit breaker speed test device according to claim 8, characterized in that: Also includes: The power-assisting rod (27) is arranged on the third adjusting rod (26), and the power-assisting rod (27) and the third adjusting rod (26) are arranged vertically.

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