Primary end test connecting device of pillar type current transformer

Abstract

The utility model discloses a pillar type current transformer primary end test connecting device, comprising a frame, a test platform, a motor lead screw transmission device and a cylinder transmission device, the test platform is arranged beside a product conveying line, the product conveying line conveys a group of tested transformers to a designated position of the test platform, and the motor lead screw transmission device is connected with the cylinder transmission device. Frames are arranged on two sides of the test platform, a mounting plate is fixed above the frames, a motor lead screw transmission device moving along an X axis and a Y axis is mounted on the mounting plate, and a cylinder transmission device moving along a Z axis is arranged below the motor lead screw transmission device. According to the utility model, repetitive actions in the primary end test process of the conventional pillar type current transformer are reduced, especially, a product to be tested is automatically positioned through motor lead screw transmission in the X and Y directions, and movement is realized through a cylinder device in the Z direction, so that the operation efficiency of a tester is improved, the test time is saved, and the test efficiency is improved. And the operation labor intensity of a tester is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field of mutual inductor, concretely relates to a kind of primary end test connecting device of pole type current transformer. BACKGROUND

[0002] For the primary end test of pole type current transformer, according to the present existing test process, the primary copper rod is placed into the primary terminal hole above the current transformer product, and the test is started after completing the secondary terminal wiring, the test process needs to consume time, and the operator needs to repeatedly place the copper rod into the primary terminal, which increases the labor intensity, the time of wiring operation and the operation safety risk of operator. SUMMARY

[0003] The utility model aims at overcoming the defects in the prior art, and provides a kind of primary end test connecting device of pole type current transformer, solve the problem that repetitive action needs to be carried out multiple times in the primary end test process of existing pole type current transformer, the test process consumes long time, and the operation labor intensity of operator is big.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of primary end test connecting device of pole type current transformer, including frame, test platform, motor screw drive and pneumatic cylinder drive device, the test platform is set up in product conveying line side, a group of mutual inductors to be tested is transported to the specified position of test platform by product conveying line, frame is set up in test platform both sides, installation plate is fixed on the top of frame, motor screw drive is installed on installation plate, the motor screw drive includes X-axis transmission device and Y-axis transmission device, the X-axis guide rail of X-axis transmission device is installed below installation plate, X-axis motor is fixed to one end of installation plate, the output shaft of X-axis motor is connected with first screw, X-axis moving block is connected on first screw, the fixed plate of Y-axis transmission device is connected below X-axis moving block, X-axis slider is connected on the track of X-axis guide rail, the lower part of X-axis slider is fixed on fixed plate, Y-axis guide rail is installed on the bottom surface of fixed plate, Y-axis slider is connected on the track of Y-axis guide rail, Y-axis motor is fixed to one end of fixed plate, the output shaft of Y-axis motor is connected with second screw, Y-axis moving block is connected on second screw, pneumatic cylinder drive device is arranged below Y-axis moving block, the lower part of Y-axis slider is fixed on the cylinder fixed plate of pneumatic cylinder drive device, the pneumatic cylinder drive device includes cylinder along Z-axis, cylinder is fixed on cylinder fixed plate at bottom, cylinder fixed plate is fixedly connected with Y-axis moving block, the output rod end of cylinder is fixedly connected with primary copper plate, and primary copper plate is connected with power supply device by copper band and wire.

[0005] Further optimization, the copper band is wrapped with insulating material, and the copper band is clamped on the crossbeam of frame with sufficient length.

[0006] Further optimization, the frame is composed of aluminum profile.

[0007] Further optimization, the primary copper plate is a "fang" shaped strip, the number of primary copper plate is 2, the upper end of the primary copper plate is connected with the cylinder through the fixed plate, and the lower end plane of the primary copper plate is used for communication with the P1 terminal and the P2 terminal of the tested instrument respectively.

[0008] Compared with the prior art, the beneficial effects of the present application are as follows: the present device reduces the repetitive action of the primary end test process of the existing pillar type current transformer, especially in the X, Y direction through the motor lead screw transmission to realize automatic positioning to the required test product, and the Z direction is realized through the cylinder device to improve the operation efficiency of the tester, save the test time, and reduce the operation labor intensity of the tester. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a front view of the test device.

[0010] Figure 2 It is a top view of the test device.

[0011] Figure 3 It is a side view of the test device.

[0012] Figure 4 It is a perspective view of the test device.

[0013] Marked in the figure: 1-frame, 2-test platform, 3-tested instrument, 4-motor lead screw transmission device, 5-cylinder transmission device, 301-secondary terminal, 302-P1 terminal, 303-P2 terminal, 501-primary copper plate, 502-cylinder fixed plate, 503-cylinder switch button, 504-cylinder. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0015] As Figures 1 to 4As shown, this utility model provides a primary terminal test connection device for a pillar-type current transformer, including a frame 1, a test platform 2, a motor screw drive device 4, and a cylinder drive device 5. The test platform 2 is set up next to the product conveyor line, and the product conveyor line transports a set of tested current transformers 3 to the designated position of the test platform 2. The test platform 2 is set up on both sides of the frame 1, which is composed of aluminum profiles. A mounting plate is fixed on the top of the frame 1, and the motor screw drive device 4 is installed on the mounting plate. The motor screw drive device includes an X-axis drive device and a Y-axis drive device. The X-axis drive device and the Y-axis drive device have the same structure. The X-axis drive device is used to move the upper structure back and forth along the X-axis direction, and the Y-axis drive device is used to move the upper structure back and forth along the Y-axis direction. The X-axis guide rail of the X-axis transmission device is installed below the mounting plate. The X-axis motor is fixed to one end of the mounting plate. The output shaft of the X-axis motor is connected to the first lead screw, and the first lead screw is connected to the X-axis moving block. The lower part of the X-axis moving block is connected to the fixing plate of the Y-axis transmission device. The X-axis slider is connected to the track of the X-axis guide rail, and the lower part of the X-axis slider is fixed to the fixing plate. The bottom surface of the fixing plate is equipped with a Y-axis guide rail, and the Y-axis slider is connected to the track of the Y-axis guide rail. The Y-axis motor is fixed to one end of the fixing plate, and the output shaft of the Y-axis motor is connected to the second lead screw, and the second lead screw is connected to the Y-axis moving block. A cylinder transmission device 5 is installed below the Y-axis moving block. The lower part of the Y-axis slider is fixed to the cylinder fixing plate 502 of the cylinder transmission device 5. The cylinder transmission device 5 includes a cylinder 504 arranged along the Z-axis. The bottom of the cylinder 504 is fixed to the cylinder fixing plate 502. The cylinder fixing plate 502 is fixedly connected to the Y-axis moving block. The output rod end of the cylinder 504 is fixedly connected to a primary copper plate 501. The primary copper plate 501 is connected to a power supply device through a copper strip and wires. The copper strip is wrapped with insulating material and has sufficient length reserved and is clamped on the crossbeam of the frame 1. The primary copper plate 501 is a "U"-shaped strip. There are two primary copper plates 501. The upper end of the primary copper plate 501 is connected to the extended end of the cylinder 504 through a fixing plate. The lower end plane of the primary copper plate 501 is used to connect to the P1 terminal 302 and the P2 terminal 303 of the tested current transformer 3, respectively.

[0016] like Figure 4 As shown, during the test, the tested current transformer 3 is transported to the designated position on the test platform 2 by the product conveyor line. The secondary terminals 301 of the tested current transformer 3 are wired. Then, the motor screw drive device 4 is set to operate to achieve movement in the X and Y directions, so that the primary copper plate 501 connected below the cylinder drive device 5 stops directly above the P1 terminal 302 and P2 terminal 303 of the tested current transformer 3. Hold the handle of the cylinder fixing plate 502 with your right hand and press the cylinder switch button 503 at the same time. After the cylinder 504 is air-intaken, it moves in the negative Z-axis direction until the primary copper plate 501 connected below the cylinder drive device 5 is close to the P1 terminal 302 and P2 terminal 303 above the tested current transformer 3. At this time, the primary circuit is connected, and the current transformer test is carried out.

[0017] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A test connection device for the primary terminal of a pillar-type current transformer, characterized in that: It includes a frame, a test platform, a motor-screw drive device and a cylinder drive device. The test platform is set up beside the product conveyor line. A group of tested mutual inductors are transported to the designated position of the test platform by the product conveyor line. Frames are set up on both sides of the test platform. An installation plate is fixed above the frames. The motor-screw drive device is installed on the installation plate. The motor-screw drive device includes an X-axis drive device and a Y-axis drive device. The X-axis guide rail of the X-axis drive device is installed below the installation plate. The X-axis motor is fixed at one end of the installation plate. The output shaft of the X-axis motor is connected to the first screw. An X-axis moving block is connected to the first screw. The lower part of the X-axis moving block is connected to the fixed plate of the Y-axis drive device. An X-axis slider is connected to the track of the X-axis guide rail. The lower part of the X-axis slider is fixed on the fixed plate. The bottom surface of the fixed plate is provided with a Y-axis guide rail. A Y-axis slider is connected to the track of the Y-axis guide rail. The Y-axis motor is fixed at one end of the fixed plate. The output shaft of the Y-axis motor is connected to the second screw. A Y-axis moving block is connected to the second screw. The cylinder drive device is arranged below the Y-axis moving block. The lower part of the Y-axis slider is fixed on the cylinder fixed plate of the cylinder drive device. The cylinder drive device includes a cylinder arranged along the Z-axis. The bottom of the cylinder is fixed on the cylinder fixed plate. The cylinder fixed plate is fixedly connected to the Y-axis moving block. The end of the output rod of the cylinder is fixedly connected to a primary copper plate. The primary copper plate is connected to the power supply device through a copper strip and a wire.

2. The primary terminal test connection device for a pillar-type current transformer according to claim 1, characterized in that: The copper strip is wrapped with insulating material. The copper strip is reserved with enough length and clamped on the cross beam of the frame.

3. The primary terminal test connection device for a pillar-type current transformer according to claim 1, characterized in that: The frame is composed of aluminum profiles.

4. The primary terminal test connection device for a pillar-type current transformer according to claim 1, characterized in that: The primary copper plate is a "匚"-shaped strip. The number of primary copper plates is 2. The upper ends of the primary copper plates are connected to the cylinder through a fixed plate. The lower end planes of the primary copper plates are respectively used to connect to the P1 terminal and the P2 terminal of the tested mutual inductor.

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