Mutual inductor detection tool

The wiring and disconnection of the current transformer are automated by using a motor-driven screwdriver and a hydraulic telescopic rod mechanism, which solves the problem of low efficiency of existing current transformer testing fixtures and realizes a highly efficient testing process.

CN223955792UActive Publication Date: 2026-02-27JIANGSU SUYUAN JIERUI TECH CO LTD
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Patent Information

Application Number
CN202520087206.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-02-27
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Existing instrument transformer testing fixtures require multiple wiring and disconnection operations after the instrument transformer is fixed, resulting in low testing efficiency.

Method used

The system employs a motor-driven screwdriver and a hydraulic telescopic rod mechanism to automate the wiring and disconnection of the current transformer, simplifying the wiring process.

Benefits of technology

This improves the efficiency and applicability of current transformer testing, reduces the time spent on wiring and disconnection, and enhances testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mutual inductor detection, and discloses a mutual inductor detection tool which comprises a bottom plate, an installation box is fixedly installed on the upper surface of the bottom plate, the front surface of the installation box is open, two clamping plates are installed on the inner wall of the installation box in a sliding mode, a rectangular groove is formed in the upper surface of the bottom plate, and an installation mechanism is arranged on the bottom plate. The mounting mechanism comprises a mounting plate and screwdrivers, the mounting plate is slidably mounted on the upper surface of the bottom plate, two mounting holes are formed in the front surface of the mounting plate, mounting blocks are slidably mounted on the inner walls of the two mounting holes, first motors are fixedly mounted on the front surfaces of the two mounting blocks, and the two screwdrivers are driven by the two first motors to rotate. And the first hydraulic telescopic rod drives the two screwdrivers to move, so that a wiring bolt on the mutual inductor is loosened or fixed, a detection line is wired and removed, the wiring and removing speed of the detection line is increased, and the detection efficiency of the mutual inductor is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mutual -inductor detection technical field, concretely is a mutual -inductor detection frock. BACKGROUND

[0002] Mutual -inductor, also called instrument transformer, is the collective name of current transformer and voltage transformer, and its main function is to transform high voltage or large current into standard low voltage or standard small current according to the proportion, so as to realize the standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment.

[0003] The existing mutual -inductor needs to be detected after production, and detection frock needs to be used to assist the detection of mutual -inductor, and the mutual -inductor needs to be fixed on the detection frock during detection, then the mutual -inductor is wired and detected, but the existing mutual -inductor detection frock needs to be wired and connected with the mutual -inductor after being fixed, and the mutual -inductor is detected after wiring, and the mutual -inductor needs to be wired and disconnected for multiple times during detection, and the wiring and disconnection need a long time, which leads to low mutual -inductor detection efficiency and affects the detection of mutual -inductor. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a mutual -inductor detection frock, which solves the problems that the existing mutual -inductor detection frock needs to be wired and connected with the mutual -inductor after being fixed, and the mutual -inductor is detected after wiring, and the mutual -inductor needs to be wired and disconnected for multiple times during detection, and the wiring and disconnection need a long time, which leads to low mutual -inductor detection efficiency and affects the detection of mutual -inductor.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a mutual -inductor detection frock, including the bottom plate, the upper surface of the bottom plate is fixedly installed with the installation box, the front surface of the installation box is provided with the opening, two clamping plates are slidably installed on the inner wall of the installation box, and the upper surface of the bottom plate is provided with a rectangular slot;

[0008] The installation mechanism is arranged on the bottom plate, and the installation mechanism comprises an installation plate and a screwdriver, the installation plate is slidably installed on the upper surface of the bottom plate, the front surface of the installation plate is provided with two installation holes, two installation blocks are slidably installed on the inner walls of the two installation holes, the front surfaces of the two installation blocks are fixedly installed with first motors, the output ends of the two first motors are respectively rotated and penetrated to the rear surfaces of the two installation blocks, and the two screwdrivers are respectively fixedly installed on the output ends of the two first motors.

[0009] Preferably, the mounting mechanism further comprises a first hydraulic telescopic rod and a rectangular plate, the first hydraulic telescopic rod is fixedly installed on the front surface of the bottom plate, the telescopic end of the first hydraulic telescopic rod is slidably extended into the rectangular groove, and the rectangular plate is slidably installed on the inner wall of the rectangular groove.

[0010] Preferably, the left and right surfaces of the mounting plate are both fixedly installed with third motors, the output ends of the two third motors are rotatably penetrated into the interiors of the two mounting holes, threaded rods are rotatably installed on the inner walls of the two mounting holes, the two threaded rods are mirror image arranged, and the two threaded rods are both in threaded connection with the corresponding mounting blocks.

[0011] Preferably, a bidirectional threaded rod is rotatably installed on the inner wall of the mounting box, the two clamping plates are both in threaded connection with the bidirectional threaded rod, a second motor is fixedly installed on the right surface of the mounting box, the output end of the second motor is rotatably penetrated into the interior of the mounting box, and the second motor is in fixed connection with the bidirectional threaded rod.

[0012] Preferably, the upper surfaces of the two clamping plates are both fixedly installed with second hydraulic telescopic rods, and the telescopic ends of the two second hydraulic telescopic rods are slidably extended to the lower ends of the corresponding clamping plates.

[0013] Preferably, the telescopic ends of the two second hydraulic telescopic rods are both fixedly installed with L-shaped pressing plates.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a mutual inductor detection tool, has the following beneficial effects:

[0016] 1. The mutual inductor detection tool, two first motors drive two screwdrivers to rotate, and the first hydraulic telescopic rod drives the two screwdrivers to move, so that the wiring bolt on the mutual inductor is loosened or fixed, and the detection line is connected and disconnected, the connection and disconnection speed of the detection line is accelerated, and the detection efficiency of the mutual inductor is improved.

[0017] 2. The mutual inductor detection tool, two third motors drive two threaded rods to rotate, can connect and disconnect the mutual inductor with different wiring bolt spacings, improve the use range of the detection tool, and improve the applicability of the detection tool. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the overall overhead structure schematic diagram of the mutual inductor detection tool of the utility model;

[0019] Figure 2 It is the inside cutaway front view structure schematic diagram of the mounting box of the utility model;

[0020] Figure 3 It is the internal cut side view structure schematic diagram of the mutual inductor detection tool of the utility model;

[0021] Figure 4 It is the internal cut front view structure schematic diagram of the mutual inductor detection tool of the utility model.

[0022] In the drawing: 1, bottom plate; 2, installation box; 3, clamping plate; 4, rectangular slot; 5, mounting plate; 6, screwdriver; 7, mounting hole; 8, mounting block; 9, first motor; 10, first hydraulic telescopic rod; 11, rectangular plate; 12, two-way threaded rod; 13, second motor; 14, second hydraulic telescopic rod; 15, L-shaped pressing plate; 16, third motor; 17, threaded rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a new technical scheme: a mutual inductor detection tool, including bottom plate 1, the upper surface of bottom plate 1 is fixedly installed with installation box 2, the front surface of installation box 2 is set up as opening, two clamping plates 3 are slidably installed on the inner wall of installation box 2, the upper surface of bottom plate 1 is provided with rectangular slot 4;

[0025] The installation mechanism is arranged on the bottom plate 1, and the installation mechanism comprises an installation plate 5 and a screwdriver 6.

[0026] Further, the installation mechanism further comprises a first hydraulic telescopic rod 10 and a rectangular plate 11, the first hydraulic telescopic rod 10 is fixedly installed on the front surface of the bottom plate 1, the telescopic end of the first hydraulic telescopic rod 10 is slidably extended to the inside of the rectangular slot 4, the rectangular plate 11 is slidably installed on the inner wall of the rectangular slot 4, and the installation plate 5 and the first hydraulic telescopic rod 10 are fixedly connected with the rectangular plate 11.

[0027] Further, the two first motors 9 drive the two screwdrivers 6 to rotate, and the first hydraulic telescopic rods 10 drive the two screwdrivers 6 to move, so as to loosen or fix the wiring bolts on the mutual inductors, thereby the detection lines are connected and disconnected, the connection and disconnection speed of the detection lines is accelerated, and the detection efficiency of the mutual inductors is improved.

[0028] Further, the left and right surfaces of the mounting plate 5 are fixedly installed with third motors 16, the output ends of the two third motors 16 are rotatably penetrated into the interiors of the two mounting holes 7, the inner walls of the two mounting holes 7 are rotatably installed with threaded rods 17, the two threaded rods 17 are mirror image arranged, and the two threaded rods 17 are threadedly connected with the corresponding mounting blocks 8.

[0029] Further, the two third motors 16 drive the two threaded rods 17 to rotate, the mutual inductors with different wiring bolt spacings can be connected and disconnected, the use range of the detection tool is improved, and the applicability of the detection tool is improved.

[0030] Further, the inner wall of the mounting box 2 is rotatably installed with a bidirectional threaded rod 12, the two clamping plates 3 are threadedly connected with the bidirectional threaded rod 12, the right surface of the mounting box 2 is fixedly installed with a second motor 13, the output end of the second motor 13 is rotatably penetrated into the interior of the mounting box 2, and the second motor 13 is fixedly connected with the bidirectional threaded rod 12.

[0031] Further, the upper surfaces of the two clamping plates 3 are fixedly installed with second hydraulic telescopic rods 14, and the telescopic ends of the two second hydraulic telescopic rods 14 are slidably extended to the lower ends of the corresponding clamping plates 3.

[0032] Further, the telescopic ends of the two second hydraulic telescopic rods 14 are fixedly installed with L-shaped pressing plates 15.

[0033] Working principle: when the transformer detection tool is used to detect the transformer, the transformer to be detected can be placed on the bottom plate 1, then the second motor 13 is started, the second motor 13 drives the bidirectional threaded rod 12 to rotate, the two clamping plates 3 threaded with the bidirectional threaded rod 12 are close to each other, the transformer is clamped, then the two second hydraulic telescopic rods 14 are started, the two second hydraulic telescopic rods 14 drive the corresponding L-shaped pressing plates 15 to move downward, the two L-shaped pressing plates 15 can further fix the lower end of the transformer, after fixing, the two third motors 16 can be started respectively, the two third motors 16 drive the corresponding threaded rods 17 to rotate, the two mounting blocks 8 threaded with the two threaded rods 17 are adjusted respectively, the screwdrivers 6 on the two mounting blocks 8 correspond to the wiring studs at the lower end of the transformer, then the first hydraulic telescopic rod 10 can be started, the first hydraulic telescopic rod 10 drives the mounting plate 5 to move through the rectangular plate 11, so as to drive the two screwdrivers 6 to approach the transformer, the two screwdrivers 6 approach the two wiring studs on the two transformers, the two first motors 9 are started, the two first motors 9 drive the two screwdrivers 6 to rotate, the first hydraulic telescopic rod 10 is started, the first hydraulic telescopic rod 10 drives the mounting plate 5 and the two screwdrivers 6 to slowly move forward, the two wiring studs are loosened, the wires to be connected are placed on the two wiring studs, the two first motors 9 are started in reverse rotation, the first hydraulic telescopic rod 10 drives the two screwdrivers 6 to move forward, the two wiring studs on the transformer fix the detection wires, when the wires are disconnected, the first hydraulic telescopic rod 10 and the two screwdrivers 6 can also be used to loosen the wiring studs, the detection wires are disconnected, so that the wires are connected and disconnected more conveniently.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mutual inductor detection tool, comprising a bottom plate (1), a mounting box (2) fixedly installed on the upper surface of the bottom plate (1), the front surface of the mounting box (2) being provided as an opening, and two clamping plates (3) being slidingly installed on the inner wall of the mounting box (2), characterized in that: The upper surface of the bottom plate (1) is provided with a rectangular slot (4); The mounting mechanism is provided on the bottom plate (1), and the mounting mechanism comprises a mounting plate (5) and a screwdriver (6). The mounting plate (5) is slidingly installed on the upper surface of the bottom plate (1), and the front surface of the mounting plate (5) is provided with two mounting holes (7). The inner walls of the two mounting holes (7) are slidingly provided with mounting blocks (8), and the front surfaces of the two mounting blocks (8) are fixedly provided with first motors (9). The output ends of the two first motors (9) are respectively rotatably penetrated to the rear surfaces of the two mounting blocks (8), and the two screwdrivers (6) are respectively fixedly installed on the output ends of the two first motors (9).

2. The transformer detection tool of claim 1, wherein: The mounting mechanism further comprises a first hydraulic telescopic rod (10) and a rectangular plate (11). The first hydraulic telescopic rod (10) is fixedly installed on the front surface of the bottom plate (1), and the telescopic end of the first hydraulic telescopic rod (10) slidingly extends into the interior of the rectangular slot (4). The rectangular plate (11) is slidingly installed on the inner wall of the rectangular slot (4). The mounting plate (5) and the first hydraulic telescopic rod (10) are fixedly connected with the rectangular plate (11).

3. The transformer detection tool of claim 1, wherein: The left and right surfaces of the mounting plate (5) are fixedly provided with third motors (16), and the output ends of the two third motors (16) are respectively rotatably penetrated into the interiors of the two mounting holes (7). The inner walls of the two mounting holes (7) are rotatably provided with threaded rods (17), and the two threaded rods (17) are mirror-image arranged. The two threaded rods (17) are respectively threadedly connected with the corresponding mounting blocks (8).

4. The transformer detection tool of claim 1, wherein: The inner wall of the mounting box (2) is rotatably provided with a bidirectional threaded rod (12), and the two clamping plates (3) are threadedly connected with the bidirectional threaded rod (12). The right surface of the mounting box (2) is fixedly provided with a second motor (13), and the output end of the second motor (13) is rotatably penetrated into the interior of the mounting box (2). The second motor (13) is fixedly connected with the bidirectional threaded rod (12).

5. The transformer detection tool of claim 1, wherein: The upper surfaces of the two clamping plates (3) are fixedly provided with second hydraulic telescopic rods (14), and the telescopic ends of the two second hydraulic telescopic rods (14) slidingly extend to the lower ends of the corresponding clamping plates (3).

6. The transformer detection tool of claim 5, wherein: The telescopic ends of the two second hydraulic telescopic rods (14) are fixedly provided with L-shaped pressing plates (15).