An online monitoring device for circuit breaker of power distribution cabinet

Abstract

The present invention provides an online monitoring device for a distribution cabinet circuit breaker, which relates to the technical field of distribution cabinet circuit breaker testing, and comprises a mounting unit; a connecting unit is mounted on the mounting unit; an online monitor is mounted at the bottom of the connecting unit; a position sensor is mounted at the bottom of the connecting unit, and the position sensor is used to detect the position of the distribution cabinet circuit breaker; a controller is mounted on the top of the connecting unit, and the controller is electrically connected to the position sensor; a positioning unit is mounted on the mounting unit; and two sets of correction units are mounted on the mounting unit. According to the present invention, when the servo motor rotates, the rotating plate drives the online monitor to rotate slowly, so that the online monitor moves synchronously with the distribution cabinet circuit breaker; and the problem that the production line needs to be stopped before the status parameter monitoring of the distribution cabinet circuit breaker can be performed, and the status parameter monitoring cannot be completed when the distribution cabinet circuit breaker moves is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of distribution cabinet circuit breaker testing, and more specifically, particularly relates to an online monitoring device for a distribution cabinet circuit breaker. Background Art

[0002] The distribution cabinet circuit breaker is an important electrical component, mainly used to protect power lines, motors, etc. It can automatically cut off the circuit when faults such as overload, short circuit or undervoltage occur; the distribution cabinet circuit breaker needs to be monitored and tested online during production.

[0003] The current online monitoring device for the circuit breaker in the power distribution cabinet still has the following problems:

[0004] 1. When monitoring the status parameters of the distribution cabinet circuit breaker through the online monitoring instrument, the production line needs to be stopped before the status parameters of the distribution cabinet circuit breaker can be monitored. The status parameter monitoring cannot be completed when the distribution cabinet circuit breaker is moving;

[0005] 2. It is unable to guide the circuit breakers of the distribution cabinet before monitoring, resulting in the distribution cabinet circuit breakers being arranged in an untidy manner after monitoring, which is not conducive to the subsequent processes. Summary of the invention

[0006] The disclosed embodiment relates to an online monitoring device for a distribution cabinet circuit breaker, which comprises an installation unit, a connection unit, an online monitor, a position sensor, a controller, a positioning unit and a correction unit; when the servo motor rotates, the rotating plate drives the online monitor to rotate slowly, so that the online monitor moves synchronously with the distribution cabinet circuit breaker; it guides the distribution cabinet circuit breakers on the production line so that the distribution cabinet circuit breakers can move closer to the center of the production line; it solves the problems of being unable to complete status parameter monitoring when the distribution cabinet circuit breaker moves and the untidy arrangement of the distribution cabinet circuit breakers after monitoring.

[0007] In a first aspect of the present disclosure, there is provided an online monitoring device for a circuit breaker of a power distribution cabinet, which specifically comprises an installation unit; a connection unit is installed on the installation unit; an online monitor is installed at the bottom of the connection unit, and the online monitor is used to monitor the circuit breaker of the power distribution cabinet on the production line;

[0008] A position sensor is installed at the bottom of the connection unit, and the position sensor is used to detect the position of the circuit breaker of the power distribution cabinet; a controller is installed at the top of the connection unit, and the controller is electrically connected to the position sensor;

[0009] The installation unit is provided with a positioning unit, and the positioning unit is used to guide the circuit breaker of the power distribution cabinet on the production line; the installation unit is provided with two sets of correction units, and the two sets of correction units are used to limit the positioning unit.

[0010] In at least some embodiments, the mounting unit includes: a mounting bracket, a circular guide shaft and a mounting frame; there are two mounting brackets, and the two mounting brackets are connected to the production line of the distribution cabinet circuit breaker by bolts; there are two groups of circular guide shafts, and the two groups of circular guide shafts are fixedly installed on the top of the two mounting brackets, and the number of circular guide shafts in each group is two; the mounting frame is slidably installed on the outside of the two groups of circular guide shafts.

[0011] In at least some embodiments, the mounting unit further includes: a force-bearing support plate, a limit clamp A and a support spring A; there are two force-bearing support plates, and the two force-bearing support plates are fixedly installed on the inner sides of the two mounting brackets; there are two groups of limit clamps A, and the two groups of limit clamps A are fixedly installed on the tops of the two groups of circular guide shafts; there are two groups of support springs A, and the two groups of support springs A are installed on the outside of the two groups of circular guide shafts, and the two groups of support springs A are located between the mounting frame and the two groups of limit clamps A.

[0012] In at least some embodiments, the connecting unit includes: a connecting shaft, a rotating plate and a servo motor; the connecting shaft is rotatably mounted on a mounting frame; the rotating plate is fixedly mounted on the outside of the connecting shaft; the servo motor is fixedly mounted on the right side of the mounting frame, and the output shaft of the servo motor is fixedly connected to the connecting shaft.

[0013] In at least some embodiments, the connecting unit also includes: a pushing disc and a circular pushing rod; there are two pushing discs in total, and the two pushing discs are fixedly installed on the outside of the connecting shaft; there are two circular pushing rods in total, and the two circular pushing rods are fixedly installed on the outside of the two pushing discs, and the outer ends of the two circular pushing rods are in contact with two force-bearing support plates.

[0014] In at least some embodiments, the positioning unit includes: a circular guide rod, a positioning guide plate and a limit clamp ring B; the circular guide rods are provided in two groups, and the two groups of circular guide rods are slidably installed on two mounting brackets, and the number of circular guide rods in each group is two; the positioning guide plates are provided in two groups, and the two positioning guide plates are fixedly installed on the inner ends of the two groups of circular guide rods; the limit clamp rings B are provided in two groups, and the two groups of limit clamp rings B are fixedly installed on the outer ends of the two groups of circular guide rods, and the inner sides of the two groups of limit clamp rings B are in contact with the two mounting brackets.

[0015] In at least some embodiments, the positioning unit also includes: a support spring B and a rectangular correction block; the support spring B is provided in two groups, and the two groups of support springs B are installed on the outside of the two groups of circular guide rods, and the two groups of support springs B are located between two mounting brackets and two positioning guide plates; the rectangular correction blocks are provided in two groups, and the two rectangular correction blocks are fixedly installed on the outside of the two positioning guide plates, and correction circular holes are respectively opened on the two rectangular correction blocks.

[0016] In at least some embodiments, the correction unit includes: a rack A, a circular mounting column, a gear and a limit clamp C; there are two racks A in total, and the two racks A are fixedly installed at the bottom of the mounting frame; there are two circular mounting columns in total, and the two circular mounting columns are fixedly installed on the inner side of the mounting bracket; there are two gears in total, and the two gears are rotatably installed on the outside of the two circular mounting columns, and the two gears are meshed and connected with the two racks A; there are four limit clamps C in total, and the four limit clamps C are fixedly installed on the outside of the two circular mounting columns, and the inner sides of the four limit clamps C are in contact with the two gears.

[0017] In at least some embodiments, the correction unit also includes: a rectangular mounting seat, a rack B and a limiting frame; the rectangular mounting seat is fixedly mounted on the inner side of the mounting bracket; the rack B is slidably mounted on the outside of the rectangular mounting seat, and the rack B is meshed with two gears; there are two limiting frames in total, and the two limiting frames are fixedly mounted on the outside of the rectangular mounting seat, and the inner sides of the two limiting frames are in contact with the rack B.

[0018] In at least some embodiments, the correction unit also includes: a circular guide shaft, a return spring C and a circular correction rod; the circular guide shaft is fixedly mounted on the rack B, and the circular guide shaft is also slidably connected to the rectangular mounting seat; the return spring C is mounted on the outside of the circular guide shaft, and the return spring C is located above the rectangular mounting seat; the circular correction rod is fixedly mounted on the bottom of the rack B, and the bottom of the circular correction rod is provided with a chamfer, and the circular correction rod is concentrically arranged with the correction circular hole.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In the present invention, when the position sensor detects that the circuit breaker of the power distribution cabinet on the production line is approaching, the position sensor transmits the detected information to the controller, and then the controller controls the servo motor to rotate. When the servo motor rotates, the rotating plate drives the online monitor to rotate slowly, so that the online monitor moves synchronously with the circuit breaker of the power distribution cabinet;

[0021] In addition, when the servo motor is working, the connecting shaft drives the two circular push rods to rotate; when the two circular push rods rotate, the mounting frame moves upward, ensuring that the distance between the online monitor and the circuit breaker of the distribution cabinet is always the same, avoiding the test wire being too loose or too tight.

[0022] 2. The present invention plays a guiding role on the distribution cabinet circuit breaker on the production line, so that the distribution cabinet circuit breaker can be close to the center of the production line. The provision of two groups of support springs B ensures that the two positioning guide plates are in elastic contact with the distribution cabinet circuit breaker, thereby avoiding damage to the distribution cabinet circuit breaker.

[0023] 3. In the present invention, when the mounting frame moves upward, the four racks A move upward, and the two racks B move downward. When the two circular correction rods move downward, the two positioning guide plates move slightly under the action of the two correction circular holes and the two circular correction rods. When the two positioning guide plates move, they can drive the distribution cabinet circuit breaker on the production line to move, so that the distribution cabinet circuit breaker on the production line moves toward the middle, ensuring that the center of the distribution cabinet circuit breaker is aligned with the center of the production line, improving the guiding effect of the distribution cabinet circuit breaker, and facilitating the subsequent process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0025] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0026] In the attached picture:

[0027] Figure 1 It is a structural schematic diagram of the present invention and a distribution cabinet circuit breaker production line.

[0028] Figure 2 It is a schematic diagram of the bottom structure of the present invention.

[0029] Figure 3 It is a structural schematic diagram of the installation unit of the present invention.

[0030] Figure 4 It is a structural schematic diagram of the connection unit, online monitor, position sensor and controller of the present invention.

[0031] Figure 5 The present invention Figure 2 Schematic diagram of the local enlarged structure of area A in the middle.

[0032] Figure 6 It is a structural schematic diagram of the positioning unit of the present invention.

[0033] Figure 7 It is a structural schematic diagram of the correction unit of the present invention.

[0034] Figure 8 The present invention Figure 1 Schematic diagram of the right side perspective structure.

[0035] Fig. 9 The present invention Figure 8 Schematic diagram of the local enlarged structure of area B in the middle.

[0036] Fig.10 The present invention Figure 1 Schematic diagram of the local enlarged structure of the C area in the middle.

[0037] List of reference numerals:

[0038] 1. Mounting unit; 101. Mounting bracket; 102. Circular guide shaft; 103. Mounting frame; 104. Force support plate; 105. Limiting collar A; 106. Support spring A;

[0039] 2. Connecting unit; 201. Connecting shaft; 202. Rotating plate; 203. Servo motor; 204. Pushing disc; 205. Round pushing rod;

[0040] 3. Online monitoring instrument;

[0041] 4. Position sensor;

[0042] 5. Controller;

[0043] 6. Positioning unit; 601. Circular guide rod; 602. Positioning guide plate; 603. Limiting collar B; 604. Support spring B; 605. Rectangular correction block; 6051. Correction circular hole;

[0044] 7. Correction unit; 701. Rack A; 702. Circular mounting column; 703. Gear; 704. Limiting collar C; 705. Rectangular mounting seat; 706. Rack B; 707. Limiting frame; 708. Circular guide shaft; 709. Reset spring C; 710. Circular correction rod. DETAILED DESCRIPTION

[0045] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0046] Example: Please refer to Figures 1 to 10As shown: The present invention provides an online monitoring device for a distribution cabinet circuit breaker, comprising a mounting unit 1; a connecting unit 2 is mounted on the mounting unit 1; an online monitor 3 is mounted at the bottom of the connecting unit 2, and the online monitor 3 is used to monitor the distribution cabinet circuit breaker on the production line;

[0047] A position sensor 4 is installed at the bottom of the connection unit 2, and the position sensor 4 is used to detect the position of the circuit breaker of the power distribution cabinet; a controller 5 is installed at the top of the connection unit 2, and the controller 5 is electrically connected to the position sensor 4;

[0048] A positioning unit 6 is installed on the installation unit 1 , and the positioning unit 6 is used to guide the distribution cabinet circuit breaker on the production line; two sets of correction units 7 are installed on the installation unit 1 , and the two sets of correction units 7 are used to limit the positioning unit 6 .

[0049] In the present disclosure, Figures 3 to 5 As shown, the installation unit 1 includes: an installation bracket 101, a circular guide shaft 102 and an installation frame 103; there are two installation brackets 101, and the two installation brackets 101 are connected to the production line of the distribution cabinet circuit breaker by bolts; there are two groups of circular guide shafts 102, and the two groups of circular guide shafts 102 are fixedly installed on the top of the two installation brackets 101, and the number of circular guide shafts 102 in each group is two; the installation frame 103 is slidably installed on the outside of the two groups of circular guide shafts 102; the installation unit 1 also includes: a force support plate 104 , a limiting collar A105 and a supporting spring A106; there are two force-bearing support plates 104, and the two force-bearing support plates 104 are fixedly installed on the inner sides of the two mounting brackets 101; there are two groups of limiting collars A105, and the two groups of limiting collars A105 are fixedly installed on the tops of the two groups of circular guide shafts 102; there are two groups of supporting springs A106, and the two groups of supporting springs A106 are installed on the outside of the two groups of circular guide shafts 102, and the two groups of supporting springs A106 are located between the mounting frame 103 and the two groups of limiting collars A105;

[0050] The connecting unit 2 includes: a connecting shaft 201, a rotating plate 202 and a servo motor 203; the connecting shaft 201 is rotatably mounted on the mounting frame 103; the rotating plate 202 is fixedly mounted on the outside of the connecting shaft 201; the servo motor 203 is fixedly mounted on the right side of the mounting frame 103, and the output shaft of the servo motor 203 is fixedly connected to the connecting shaft 201; the connecting unit 2 also includes: a pushing disc 204 and a circular pushing rod 205; there are two pushing discs 204, and the two pushing discs 204 are fixedly mounted on the outside of the connecting shaft 201; there are two circular pushing rods 205, and the two circular pushing rods 205 are fixedly mounted on the outside of the two pushing discs 204, and the outer ends of the two circular pushing rods 205 are in contact with the two force-bearing support plates 104;

[0051] Its specific function is as follows: since a position sensor 4 is installed at the bottom of the connection unit 2, and a controller 5 is installed at the top of the connection unit 2, and the controller 5 is electrically connected to the position sensor 4, when the position sensor 4 detects that the circuit breaker of the power distribution cabinet on the production line is approaching, the position sensor 4 transmits the detected information to the controller 5, and then the controller 5 controls the servo motor 203 to rotate. When the servo motor 203 rotates, the rotating plate 202 drives the online monitor 3 to rotate slowly, so that the online monitor 3 moves synchronously with the circuit breaker of the power distribution cabinet;

[0052] Because the mounting frame 103 is slidably mounted on the outside of the two sets of circular guide shafts 102, and the two circular push rods 205 are fixedly mounted on the outside of the two push discs 204, and the outer ends of the two circular push rods 205 are in contact with the two force support plates 104, when the servo motor 203 is working, the connecting shaft 201 drives the two circular push rods 205 to rotate, and because the outer ends of the two circular push rods 205 are in contact with the two force support plates 104, when the two circular push rods 205 rotate, the mounting frame 103 moves upward, ensuring that the distance between the online monitor 3 and the distribution cabinet circuit breaker is always the same, avoiding the test wire being too loose or too tight.

[0053] In the present disclosure, Figure 6 As shown, the positioning unit 6 includes: a circular guide rod 601, a positioning guide plate 602 and a limiting clamp ring B603; there are two groups of circular guide rods 601, and the two groups of circular guide rods 601 are slidably mounted on two mounting brackets 101, and the number of circular guide rods 601 in each group is two; there are two positioning guide plates 602, and the two positioning guide plates 602 are fixedly mounted on the inner ends of the two groups of circular guide rods 601; there are two groups of limiting clamp rings B603, and the two groups of limiting clamp rings B603 are fixedly mounted on the outer ends of the two groups of circular guide rods 601, and the two groups of limiting clamp rings B603 are fixedly mounted on the outer ends of the two groups of circular guide rods 601. The inner side of 603 contacts with the two mounting brackets 101; the positioning unit 6 also includes: a supporting spring B604 and a rectangular correction block 605; there are two groups of supporting springs B604, and the two groups of supporting springs B604 are installed outside the two groups of circular guide rods 601, and the two groups of supporting springs B604 are located between the two mounting brackets 101 and the two positioning guide plates 602; there are two rectangular correction blocks 605, and the two rectangular correction blocks 605 are fixedly installed on the outside of the two positioning guide plates 602, and the two rectangular correction blocks 605 are respectively provided with correction circular holes 6051;

[0054] Its specific function is: because the two groups of circular guide rods 601 are slidably installed on the two mounting brackets 101, and the two positioning guide plates 602 are fixedly installed on the inner ends of the two groups of circular guide rods 601, and the two groups of support springs B604 are located between the two mounting brackets 101 and the two positioning guide plates 602, it plays a guiding role for the distribution cabinet circuit breaker on the production line, so that the distribution cabinet circuit breaker can be close to the center position of the production line. The setting of the two groups of support springs B604 ensures that the two positioning guide plates 602 are in elastic contact with the distribution cabinet circuit breaker, thereby avoiding damage to the distribution cabinet circuit breaker.

[0055] In the present disclosure, Figure 7 and Fig.10 As shown, the correction unit 7 includes: a rack A701, a circular mounting column 702, a gear 703 and a limiting collar C704; there are two racks A701, and the two racks A701 are fixedly mounted on the bottom of the mounting frame 103; there are two circular mounting columns 702, and the two circular mounting columns 702 are fixedly mounted on the inner side of the mounting bracket 101; there are two gears 703, and the two gears 703 are rotatably mounted on the outside of the two circular mounting columns 702, and the two gears 703 are meshed and connected with the two racks A701; there are four limiting collars C704, and the four limiting collars C704 are fixedly mounted on the outside of the two circular mounting columns 702, and the inner sides of the four limiting collars C704 are in contact with the two gears 703; the correction unit 7 also includes: a rectangular mounting seat 705, a rack B706 and a limiting frame 707; the rectangular mounting seat 705 is fixedly mounted on the mounting bracket 10 1; the rack B706 is slidably mounted on the outside of the rectangular mounting seat 705, and the rack B706 is meshed with the two gears 703; there are two limit frames 707, and the two limit frames 707 are fixedly mounted on the outside of the rectangular mounting seat 705, and the inner sides of the two limit frames 707 are in contact with the rack B706; the correction unit 7 also includes: a circular guide shaft 708, a reset spring C709 and a circular correction rod 710; the circular guide shaft 708 is fixedly mounted on the rack B706, and the circular guide shaft 708 is also slidably connected to the rectangular mounting seat 705; the reset spring C709 is mounted on the outside of the circular guide shaft 708, and the reset spring C709 is located above the rectangular mounting seat 705; the circular correction rod 710 is fixedly mounted on the bottom of the rack B706, and the bottom of the circular correction rod 710 is provided with a chamfer, and the circular correction rod 710 is concentrically arranged with the correction circular hole 6051;

[0056] The specific function is as follows: because the four gears 703 are meshed and connected with the four racks A701, and the two racks B706 are meshed and connected with the four gears 703, when the mounting frame 103 moves upward, the four racks A701 move upward, and the two racks B706 move downward. Moreover, because the two rectangular correction blocks 605 are respectively provided with correction holes 6051, and the bottoms of the two circular correction rods 710 are respectively provided with chamfers, and the two circular correction rods 710 are concentrically arranged with the two correction holes 6051, when the two circular correction rods 710 move downward, the two positioning guide plates 602 are in the two correction holes 605. 1 and the two circular correction rods 710 move slightly (because the bottoms of the two circular correction rods 710 are provided with chamfers, under the action of the two chamfers, the two circular correction rods 710 can be inserted into the two correction circular holes 6051, which plays a precise correction role for the distribution cabinet circuit breaker near the center of the production line). When the two positioning guide plates 602 move, they can drive the distribution cabinet circuit breaker on the production line to move, so that the distribution cabinet circuit breaker on the production line moves to the middle, ensuring that the center of the distribution cabinet circuit breaker is aligned with the center of the production line, improving the guiding effect of the distribution cabinet circuit breaker, and facilitating the subsequent process.

[0057] The specific usage and function of this embodiment are as follows:

[0058] When the distribution cabinet circuit breaker is approaching the online monitor 3, the staff connects the monitoring wire on the online monitor 3 to the distribution cabinet circuit breaker; when the position sensor 4 detects that the distribution cabinet circuit breaker on the production line is approaching, the position sensor 4 transmits the detected information to the controller 5, and then the controller 5 controls the servo motor 203 to rotate. When the servo motor 203 rotates, the rotating plate 202 drives the online monitor 3 to rotate slowly, so that the online monitor 3 moves synchronously with the distribution cabinet circuit breaker; when the servo motor 203 is working, the connecting shaft 201 drives the two circular push rods 205 to rotate. When the two circular push rods 205 rotate, the mounting frame 103 moves upward, ensuring that the distance between the online monitor 3 and the distribution cabinet circuit breaker is always the same, avoiding the test wire of the online monitor 3 from being too loose or too tight; the setting of the two positioning guide plates 602 guides the distribution cabinet circuit breaker on the production line, so that the distribution cabinet circuit breaker can approach the center of the production line, and the two sets of support springs The setting of B604 ensures that the two positioning guide plates 602 are in elastic contact with the distribution cabinet circuit breaker, thereby avoiding damage to the distribution cabinet circuit breaker; when the installation frame 103 moves upward, the four racks A701 move upward, and the two racks B706 move downward. When the two circular correction rods 710 move downward, the two positioning guide plates 602 move slightly under the action of the two correction holes 6051 and the two circular correction rods 710 (because the bottom of the two circular correction rods 710 are provided with chamfers, under the action of the two chamfers, the two circular correction rods 710 can be inserted into the two correction holes 6051, which plays a precise correction role for the distribution cabinet circuit breaker near the center of the production line). When the two positioning guide plates 602 move, they can drive the distribution cabinet circuit breaker on the production line to move, so that the distribution cabinet circuit breaker on the production line moves to the middle, ensuring that the center of the distribution cabinet circuit breaker is aligned with the center of the production line, improving the guiding effect of the distribution cabinet circuit breaker, and facilitating the subsequent process.

[0059] In this article, there are a few points to note:

[0060] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0061] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0062] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An online monitoring device for a circuit breaker in a power distribution cabinet, comprising a mounting unit (1); characterized in that: A connection unit (2) is installed on the installation unit (1); an online monitor (3) is installed at the bottom of the connection unit (2), and the online monitor (3) is used to monitor the circuit breaker of the power distribution cabinet on the production line; A position sensor (4) is installed at the bottom of the connection unit (2), and the position sensor (4) is used to detect the position of the circuit breaker of the power distribution cabinet; a controller (5) is installed at the top of the connection unit (2), and the controller (5) is electrically connected to the position sensor (4); The installation unit (1) is installed with a positioning unit (6), and the positioning unit (6) is used to guide the circuit breaker of the power distribution cabinet on the production line; the installation unit (1) is installed with two sets of correction units (7), and the two sets of correction units (7) are used to limit the positioning unit (6); the installation unit (1) comprises: two installation brackets (101); The positioning unit (6) comprises: a circular guide rod (601), a positioning guide plate (602) and a limit clamping ring B (603); the circular guide rod (601) is provided in two groups, and the two groups of circular guide rods (601) are slidably mounted on two mounting brackets (101), and the number of circular guide rods (601) in each group is two; the positioning guide plates (602) are provided in two groups, and the two positioning guide plates (602) are fixedly mounted on the inner ends of the two groups of circular guide rods (601); the limit clamping ring B (603) is provided in two groups, and the two groups of limit clamping rings B (603) are fixedly mounted on the outer ends of the two groups of circular guide rods (601), and the two groups of limit clamping rings B (603) are fixedly mounted on the outer ends of the two groups of circular guide rods (601). 3) is in contact with the inner side of the two mounting brackets (101); the positioning unit (6) further comprises: a support spring B (604) and a rectangular correction block (605); the support springs B (604) are provided in two groups, and the two groups of support springs B (604) are installed outside the two groups of circular guide rods (601), and the two groups of support springs B (604) are located between the two mounting brackets (101) and the two positioning guide plates (602); the rectangular correction blocks (605) are provided in two groups, and the two rectangular correction blocks (605) are fixedly installed on the outside of the two positioning guide plates (602), and the two rectangular correction blocks (605) are respectively provided with correction circular holes (6051).

2. The online monitoring device for circuit breaker of power distribution cabinet according to claim 1, characterized in that: The installation unit (1) further comprises: a circular guide shaft (102) and a mounting frame (103); the two mounting brackets (101) are connected to the production line of the distribution cabinet circuit breaker by bolts; the circular guide shafts (102) are provided in two groups, and the two groups of circular guide shafts (102) are fixedly mounted on the top of the two mounting brackets (101), and the number of circular guide shafts (102) in each group is two; the mounting frame (103) is slidably mounted on the outside of the two groups of circular guide shafts (102).

3. The online monitoring device for circuit breaker of power distribution cabinet according to claim 2, characterized in that: The mounting unit (1) further comprises: a force-bearing support plate (104), a limiting clamp ring A (105) and a supporting spring A (106); two force-bearing support plates (104) are provided, and the two force-bearing support plates (104) are fixedly mounted on the inner sides of the two mounting brackets (101); two groups of limiting clamp rings A (105) are provided, and the two groups of limiting clamp rings A (105) are fixedly mounted on the tops of the two groups of circular guide shafts (102); two groups of supporting springs A (106) are provided, and the two groups of supporting springs A (106) are mounted on the outsides of the two groups of circular guide shafts (102), and the two groups of supporting springs A (106) are located between the mounting frame (103) and the two groups of limiting clamp rings A (105).

4. The online monitoring device for circuit breaker of power distribution cabinet according to claim 3, characterized in that: The connection unit (2) comprises: a connection shaft (201), a rotating plate (202) and a servo motor (203); the connection shaft (201) is rotatably mounted on the mounting frame (103); the rotating plate (202) is fixedly mounted on the outside of the connection shaft (201); the servo motor (203) is fixedly mounted on the right side of the mounting frame (103), and an output shaft of the servo motor (203) is fixedly connected to the connection shaft (201).

5. The online monitoring device for circuit breaker of power distribution cabinet according to claim 4, characterized in that: The connection unit (2) further comprises: a pushing disc (204) and a circular pushing rod (205); two pushing discs (204) are provided in total, and the two pushing discs (204) are fixedly mounted on the outside of the connecting shaft (201); two circular pushing rods (205) are provided in total, and the two circular pushing rods (205) are fixedly mounted on the outside of the two pushing discs (204), and the outer ends of the two circular pushing rods (205) are in contact with the two force-bearing support plates (104).

6. The online monitoring device for circuit breaker of power distribution cabinet according to claim 1, characterized in that: The correction unit (7) comprises: a rack A (701), a circular mounting column (702), a gear (703) and a limiting clamp ring C (704); two racks A (701) are provided, and the two racks A (701) are fixedly installed at the bottom of the mounting frame (103); two circular mounting columns (702) are provided, and the two circular mounting columns (702) are fixedly installed on the inner side of the mounting bracket (101); two gears (703) are provided, and the two gears (703) are rotatably installed on the outside of the two circular mounting columns (702), and the two gears (703) are meshed and connected with the two racks A (701); four limiting clamp rings C (704) are provided, and the four limiting clamp rings C (704) are fixedly installed on the outside of the two circular mounting columns (702), and the inner sides of the four limiting clamp rings C (704) are in contact with the two gears (703).

7. The online monitoring device for circuit breaker of power distribution cabinet according to claim 6, characterized in that: The correction unit (7) further comprises: a rectangular mounting seat (705), a rack B (706) and a limiting frame (707); the rectangular mounting seat (705) is fixedly mounted on the inner side of the mounting bracket (101); the rack B (706) is slidably mounted on the outside of the rectangular mounting seat (705), and the rack B (706) is meshingly connected with two gears (703); a total of two limiting frames (707) are provided, and the two limiting frames (707) are fixedly mounted on the outside of the rectangular mounting seat (705), and the inner sides of the two limiting frames (707) are in contact with the rack B (706).

8. The online monitoring device for circuit breaker of power distribution cabinet according to claim 7, characterized in that: The correction unit (7) further comprises: a circular guide shaft (708), a return spring C (709) and a circular correction rod (710); the circular guide shaft (708) is fixedly mounted on the rack B (706), and the circular guide shaft (708) is also slidably connected to the rectangular mounting seat (705); the return spring C (709) is mounted on the outside of the circular guide shaft (708), and the return spring C (709) is located above the rectangular mounting seat (705); the circular correction rod (710) is fixedly mounted on the bottom of the rack B (706), and the bottom of the circular correction rod (710) is provided with a chamfer, and the circular correction rod (710) is arranged concentrically with the correction circular hole (6051).

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