Line positioning device applied to TDR impedance tester

Abstract

The utility model discloses a line positioning device applied to a TDR impedance tester, and relates to the technical field of wire harness positioning. Comprising a fixing plate, a fixing mechanism is installed at the top of the fixing plate, the fixing mechanism comprises two portal frames, the two portal frames are fixedly connected to the two ends of the opposite faces of the top of the fixing plate correspondingly, and a first motor is installed in the middle of one side of the outer wall of one portal frame; the output end of the first motor penetrates through the inner side of the portal frame and is fixedly connected with a two-way threaded rod. The first motor works to drive the two-way threaded rod to move, so that the threaded blocks slide along the limiting columns, the tester is conveniently fixed by adjusting the distance between the two threaded blocks, and the test accuracy is improved in this way.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness positioning, in particular to a line positioning device applied to a TDR impedance tester. Background Art

[0002] TDR testing is a remote control detection technology that analyzes and detects reflected waves, and grasps the condition of the measured object at the remote location. The TDR test process is to use a TDR impedance tester to detect the interruption of the wire. In some production processes, it is usually necessary to perform TDR impedance testing on the produced wires to ensure that the produced wires meet actual work requirements.

[0003] A wire and cable disconnection detection device with publication number CN218524857U has the following defects during use:

[0004] During the use of the above device, the wires are fixed and then scanned by the tester. During the scanning process of the wires, it is inconvenient to fix the tester, so the tester is prone to shaking, resulting in the measurement result being inconsistent with the actual situation. Therefore, there is an urgent need for a line positioning device for a TDR impedance tester that can fix the tester. Utility Model Content

[0005] The purpose of the utility model is to provide a circuit positioning device applied to a TDR impedance tester to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a line positioning device applied to a TDR impedance tester, comprising a fixing plate, a fixing mechanism is installed on the top of the fixing plate, the fixing mechanism comprises a gantry, two gantries are provided, and the two gantries are respectively fixedly connected to the two ends of the opposite surfaces of the top of the fixing plate, a first motor is installed in the middle of one side of the outer wall of one of the gantries, the output end of the first motor passes through the inner side of the gantry and is fixedly connected to a bidirectional threaded rod, the end of the bidirectional threaded rod away from the first motor is rotatably connected to the inner side of the other gantry through a bearing, the two ends of the inner side of the gantry are respectively fixedly connected to limiting columns, the two ends of the outer wall of the bidirectional threaded rod are respectively threadedly connected to thread blocks, and the two ends of the thread block are slidably connected to the limiting columns.

[0007] Preferably, an operating table is installed at the bottom of the fixed plate, wiring mechanisms are installed at both ends of the operating table, and a control mechanism is installed on one side of the operating table.

[0008] Preferably, the wiring mechanism includes a fixed column, which is fixedly connected to one end of the top of the operating table. The outer wall of the fixed column is rotatably connected to a plurality of evenly distributed winding wheels, and the winding wheels are used to wind the wires.

[0009] Preferably, one end of the top of the operating table opposite to the fixed column is rotatably connected to a rotating column, and a second motor is installed at one end of the rotating column.

[0010] Preferably, a plurality of evenly distributed winding discs are fixedly connected to the outer wall of the fixing column, and the winding discs are used to wind and store the electric wires.

[0011] Preferably, the control mechanism includes a power supply box and a controller, and the power supply box and the controller are respectively installed at the bottom and the top of one side of the outer wall of the operating table, and the power supply box, the controller, the first motor and the second motor are electrically connected in sequence.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The line positioning device applied to the TDR impedance tester drives the bidirectional threaded rod to move by the operation of the first motor, so that the threaded block slides along the limit column, and the distance between the two threaded blocks is adjusted to facilitate the fixation of the tester, thereby improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the line positioning device of the utility model applied to the TDR impedance tester;

[0015] Figure 2 It is a structural schematic diagram of the wiring mechanism of the line positioning device of the utility model applied to the TDR impedance tester;

[0016] Figure 3 It is a structural schematic diagram of a control mechanism of a line positioning device of the utility model applied to a TDR impedance tester;

[0017] Figure 4 The utility model is a structural schematic diagram of a fixing mechanism of a line positioning device applied to a TDR impedance tester.

[0018] In the figure: 1. operating table; 2. fixing plate; 3. routing mechanism; 301. fixing column; 302. rotating column; 303. winding wheel; 304. winding disk; 4. fixing mechanism; 401. gantry; 402. first motor; 403. bidirectional threaded rod; 404. limiting column; 405. thread block; 5. control mechanism; 501. power supply box; 502. controller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] TDR testing is a remote control detection technology that analyzes and detects reflected waves, and grasps the condition of the measured object at the remote control position. The TDR test process is an instrument that detects the interruption of the wire through a TDR impedance tester. In some production processes, it is usually necessary to perform TDR impedance testing on the produced wires so that the produced wires meet actual work needs. This application drives the bidirectional threaded rod to move through the first motor, so that the threaded block slides along the limit column, and by adjusting the spacing between the two threaded blocks, it is convenient to fix the tester, thereby improving the accuracy of the test.

[0021] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a line positioning device applied to a TDR impedance tester, comprising a fixing plate 2, a fixing mechanism 4 is installed on the top of the fixing plate 2, the fixing mechanism 4 comprises a gantry 401, two gantry 401 are provided, the two gantry 401 are respectively fixedly connected to the two ends of the opposite surface of the top of the fixing plate 2, a first motor 402 is installed in the middle of one side of the outer wall of one of the gantry 401, the output end of the first motor 402 passes through the inner side of the gantry 401 and is fixedly connected to a bidirectional threaded rod 403, and the bidirectional threaded rod 403 is away from the first One end of the motor 402 is rotatably connected to the inner side of another gantry 401 through a bearing, and the two ends of the inner side of the gantry 401 are respectively fixedly connected to the limiting columns 404, and the two ends of the outer wall of the two-way threaded rod 403 are respectively threadedly connected with thread blocks 405, and the two ends of the thread block 405 are slidably connected to the limiting columns 404. The two-way threaded rod 403 is driven to move by the first motor 402, so that the thread block 405 slides along the limiting columns 404, and the distance between the two thread blocks 405 is adjusted to facilitate the fixation of the tester, thereby improving the accuracy of the test.

[0022] An operating platform 1 is installed at the bottom of the fixed plate 2 , wiring mechanisms 3 are installed at both ends of the operating platform 1 , and a control mechanism 5 is installed on one side of the operating platform 1 .

[0023] The wiring mechanism 3 includes a fixed column 301, which is fixedly connected to one end of the top of the operating table 1. The outer wall of the fixed column 301 is rotatably connected to a plurality of evenly distributed winding wheels 303, and the winding wheels 303 are used to wind the wires.

[0024] One end of the top of the operating platform 1 opposite to the fixed column 301 is rotatably connected to a rotating column 302 , and a second motor is installed at one end of the rotating column 302 .

[0025] A plurality of evenly distributed winding discs 304 are fixedly connected to the outer wall of the fixed column 301 , and the winding discs 304 are used to wind and store the electric wires.

[0026] The control mechanism 5 includes a power supply box 501 and a controller 502, which are respectively installed at the bottom and top of one side of the outer wall of the operating table 1, and the power supply box 501, the controller 502, the first motor 402 and the second motor are electrically connected in sequence.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A line positioning device for a TDR impedance tester, comprising a fixing plate (2), characterized in that: A fixing mechanism (4) is installed on the top of the fixing plate (2). The fixing mechanism (4) comprises a gantry (401). Two gantrys (401) are provided. The two gantrys (401) are respectively fixedly connected to two ends of opposite surfaces of the top of the fixing plate (2). A first motor (402) is installed in the middle of one side of the outer wall of one of the gantry (401). The output end of the first motor (402) passes through the inner side of the gantry (401) and is fixedly connected to a bidirectional threaded rod (403). One end of the bidirectional threaded rod (403) away from the first motor (402) is rotatably connected to the inner side of the other gantry (401) through a bearing. The inner sides of the gantry (401) are respectively fixedly connected to limiting columns (404). The outer walls of the bidirectional threaded rod (403) are respectively threadedly connected to threaded blocks (405). The two ends of the threaded blocks (405) are slidably connected to the limiting columns (404).

2. A line positioning device for a TDR impedance tester according to claim 1, characterized in that: An operating table (1) is installed at the bottom of the fixed plate (2), wiring mechanisms (3) are installed at both ends of the operating table (1), and a control mechanism (5) is installed on one side of the operating table (1).

3. The line positioning device for a TDR impedance tester according to claim 2, characterized in that: The wiring mechanism (3) comprises a fixed column (301), wherein the fixed column (301) is fixedly connected to one end of the top of the operating table (1), and the outer wall of the fixed column (301) is rotatably connected to a plurality of evenly distributed winding wheels (303), wherein the winding wheels (303) are used to wind the electric wires.

4. The line positioning device for a TDR impedance tester according to claim 3, characterized in that: One end of the top of the operating table (1) opposite to the fixed column (301) is rotatably connected to a rotating column (302), and a second motor is installed at one end of the rotating column (302).

5. A line positioning device for a TDR impedance tester according to claim 4, characterized in that: A plurality of evenly distributed winding discs (304) are fixedly connected to the outer wall of the fixed column (301), and the winding discs (304) are used to wind and store electric wires.

6. A line positioning device for a TDR impedance tester according to claim 5, characterized in that: The control mechanism (5) comprises a power supply box (501) and a controller (502), wherein the power supply box (501) and the controller (502) are respectively mounted on the bottom and the top of one side of the outer wall of the operating table (1), and the power supply box (501), the controller (502), the first motor (402) and the second motor are electrically connected in sequence.

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