CN219143072U

CN219143072U - Current transducer test fixture

Info

Publication number: CN219143072U
Application number: CN202223322158.XU
Authority: CN
Inventors: 成大鹏; 李福兰
Original assignee: Suzhou Xunpeng Instrument Co ltd
Current assignee: Suzhou Xunpeng Instrument Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-06
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of current transmitter test equipment and discloses a current transmitter test fixture which comprises a test fixture chassis, wherein a clamping device is arranged at the top of the test fixture chassis, the top of the test fixture chassis is provided with a test device, the clamping device comprises a bottom mounting column, a bottom mounting plate, a bottom mounting frame, a connecting lantern ring, a hydraulic telescopic rod, a mechanical clamping jaw and an inner rubber anti-slip pad, the bottom mounting column is fixedly connected to the top of the test fixture chassis, and the bottom mounting plate is fixedly connected to the top of the bottom mounting column. This current transducer test fixture, through being provided with clamping device, owing to hydraulic telescoping rod and mechanical clamping jaw's setting, both possess certain regulating capacity when the centre gripping, the interval that the device set up can change, leads to test fixture no longer can only adapt to the centre gripping of a kind of current transducer, but can adapt to the current transducer of multiple model and use, and the suitability is strong, effectual when using.

Description

Current transducer test fixture

Technical Field

The utility model relates to the technical field of current transducer testing equipment, in particular to a current transducer testing jig.

Background

A current transducer is a device that measures the loop current value and converts the measured loop current into a linear proportional output, commonly used to measure the main loop. The current transmitter is generally provided with a wiring terminal, the wiring terminal is connected with a control main board inside the current transmitter, and when the current transmitter is used, the monitoring terminal is connected to the wiring terminal through a wire, so that the control main board is in electrical connection with the monitoring terminal for communication.

However, when the current transducer is clamped, the conventional testing jig for the current transducer can only be adapted to the clamping of the current transducer due to the fact that the distance between the devices is consistent and cannot be changed, and is poor in adaptability, and the effect is poor when the current transducer is used, so that improvement is needed.

Disclosure of Invention

The utility model aims to provide a current transducer testing jig for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the current transmitter testing jig comprises a testing jig chassis, wherein a clamping device is arranged at the top of the testing jig chassis, and a testing device is arranged at the top of the testing jig chassis.

Clamping device is including laying the sill pillar, placing the bottom plate, laying the chassis, connecting lantern ring, hydraulic telescoping rod, mechanical clamping jaw and interior rubber slipmat, lay the top of sill pillar fixed connection in test fixture chassis, place the bottom plate fixed connection in the top of laying the sill pillar, lay the top of chassis fixed connection in placing the bottom plate, connecting lantern ring fixed connection in the top of laying the chassis, hydraulic telescoping rod fixed connection is in the inner circle of connecting the lantern ring, mechanical clamping jaw fixed connection is in hydraulic telescoping rod's side, interior rubber slipmat fixed connection is in mechanical clamping jaw's inner wall.

Preferably, the testing device comprises a current transducer testing instrument, a connecting wire and a testing probe, wherein the current transducer testing instrument is fixedly connected to the top of the placing bottom plate, the connecting wire is fixedly connected to the back of the current transducer testing instrument, and the testing probe is fixedly connected to the back of the connecting wire.

Preferably, the shape of the inner rubber anti-skid pad is cylindrical, and the length of the inner rubber anti-skid pad is equal to the thickness of the mechanical clamping jaw.

Preferably, the quantity of connecting wire and test probe is two, two connecting wire and test probe symmetric distribution are in the left and right sides at the current transducer test instrument back, through being provided with connecting wire and test probe, can utilize two test probes to detect different positions simultaneously when the test, and efficiency of software testing is higher.

Preferably, the number of laying chassis, connecting lantern ring, hydraulic telescoping rod and mechanical clamping jaw is two, two lay chassis, connecting lantern ring, hydraulic telescoping rod and mechanical clamping jaw symmetric distribution and are placing the left and right sides at bottom plate top, through being provided with two and laying chassis, connecting lantern ring, hydraulic telescoping rod and mechanical clamping jaw, can carry out the centre gripping to the both sides of current transmitter, the centre gripping effect is better.

Preferably, the bottom of the mechanical clamping jaw is connected with the top of the placing bottom plate in a sliding manner and is close to the back face.

Preferably, the inner rubber anti-slip pads are arranged on the inner wall of the mechanical clamping jaw at equal intervals, and the inner rubber anti-slip pads can be in contact with the current transmitter through the plurality of inner rubber anti-slip pads, so that friction force can be increased, and connection strength during clamping can be enhanced.

Compared with the prior art, the utility model has the beneficial effects that:

1. this current transducer test fixture, through being provided with clamping device, owing to hydraulic telescoping rod and mechanical clamping jaw's setting, both possess certain regulating capacity when the centre gripping, the interval that the device set up can change, leads to test fixture no longer can only adapt to the centre gripping of a kind of current transducer, but can adapt to the current transducer of multiple model and use, and the suitability is strong, effectual when using.

2. This current transducer test fixture through being provided with testing arrangement, and the user can hand pulling connecting wire when using, then drives test probe and remove, detects different positions, detects comprehensively, and can utilize current transducer test instrument to carry out the analysis, excellent in use effect.

Drawings

FIG. 1 is a schematic view of the overall perspective and front view structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the overall perspective top view structure of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. testing a jig underframe; 2. a clamping device; 201. placing a bottom post; 202. placing a bottom plate; 203. placing the underframe; 204. a connecting collar; 205. a hydraulic telescopic rod; 206. mechanical clamping jaws; 207. an inner rubber anti-slip pad; 3. a testing device; 301. a current transducer test instrument; 302. connecting wires; 303. and (3) testing the probe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions:

the current transmitter testing jig comprises a testing jig chassis 1, wherein a clamping device 2 is arranged at the top of the testing jig chassis 1, and a testing device 3 is arranged at the top of the testing jig chassis 1.

Clamping device 2 is including laying the sill pillar 201, place the bottom plate 202, lay the chassis 203, connect the lantern ring 204, hydraulic telescoping rod 205, machinery clamping jaw 206 and interior rubber slipmat 207, lay the sill pillar 201 fixed connection in the top of test jig chassis 1, place the bottom plate 202 fixed connection in the top of laying the sill pillar 201, lay the top of chassis 203 fixed connection in place the bottom plate 202, connect the lantern ring 204 fixed connection in the top of laying the chassis 203, hydraulic telescoping rod 205 fixed connection in the inner circle of connecting the lantern ring 204, machinery clamping jaw 206 fixed connection is in the side of hydraulic telescoping rod 205, interior rubber slipmat 207 fixed connection is in the inner wall of machinery clamping jaw 206, interior rubber slipmat 207 equidistant range is at the inner wall of machinery clamping jaw 206, through being provided with a plurality of interior rubber slipmats 207, and interior rubber slipmat 207 can with the electric current changer contact, can increase frictional force, the joint strength when can strengthen the centre gripping, interior rubber slipmat 207's shape is cylindrical, the length and the thickness of machinery clamping jaw 206 are equal, lay 203, connect the lantern ring 204, the quantity of hydraulic telescoping rod 205 and machinery clamping jaw 205 and mechanical clamping jaw 205 are two bottom plates 205, two bottom plates 203, two are placed the bottom plate 205 and two sides are placed at the bottom plate 206, two sides are connected to the bottom plate 202, two sides are connected to the bottom plate 206, and two sides are connected to the bottom plate 202 and can be placed at two sides, two sides and two sides are better, and can be connected to the bottom plate 202, and can be placed.

The testing device 3 comprises a current transducer testing instrument 301, connecting wires 302 and testing probes 303, wherein the current transducer testing instrument 301 is fixedly connected to the top of the placing base plate 202, the connecting wires 302 are fixedly connected to the back of the current transducer testing instrument 301, the testing probes 303 are fixedly connected to the back of the connecting wires 302, the connecting wires 302 and the testing probes 303 are two in number, the two connecting wires 302 and the testing probes 303 are symmetrically distributed on the left side and the right side of the back of the current transducer testing instrument 301, the connecting wires 302 and the testing probes 303 are arranged, and when testing, different positions can be detected by the two testing probes 303 at the same time, so that the testing efficiency is higher.

When in use, the current transmitter to be tested is placed at the position, close to the back, of the top of the placement bottom plate 202 and is located between the two mechanical clamping jaws 206, then the hydraulic telescopic rod 205 is started, the mechanical clamping jaws 206 are driven to move towards the directions close to the two sides of the current transmitter, then the mechanical clamping jaws 206 are started, the current transmitter is clamped by the mechanical clamping jaws 206, the inner rubber anti-slip pad 207 of the inner wall can be attached to the surface of the current transmitter during clamping, so that the current transmitter is clamped and fixed, and due to the arrangement of the hydraulic telescopic rod and the mechanical clamping jaws 206, the hydraulic telescopic rod and the mechanical clamping jaws have certain adjusting capacity during clamping, the distance between the hydraulic telescopic rod and the mechanical clamping jaws 206 can be changed, so that the test fixture can be only adapted to the clamping of one current transmitter, but can be adapted to the current transmitters of various types, the suitability is strong, the test probe 303 is good during use, a user can pull the connecting wire 302 by hand during use, then the test probe 303 is driven to move during detection, the different positions are detected, the test is comprehensive, and the current transmitter can be tested by the aid of the current transmitter, and the test instrument 301 can be used for testing.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a current transducer test fixture, includes test fixture chassis (1), its characterized in that: the top of the test jig underframe (1) is provided with a clamping device (2), and the top of the test jig underframe (1) is provided with a test device (3);

clamping device (2) are including laying foundation post (201), place bottom plate (202), lay chassis (203), connect lantern ring (204), hydraulic telescoping rod (205), machinery clamping jaw (206) and interior rubber slipmat (207), lay the top of foundation post (201) fixed connection in test fixture chassis (1), place bottom plate (202) fixed connection in the top of laying foundation post (201), lay chassis (203) fixed connection in the top of placing bottom plate (202), connect lantern ring (204) fixed connection in the top of laying chassis (203), hydraulic telescoping rod (205) fixed connection in the inner circle of connecting lantern ring (204), machinery clamping jaw (206) fixed connection in the side of hydraulic telescoping rod (205), interior rubber slipmat (207) fixed connection in the inner wall of machinery clamping jaw (206).

2. The current transducer test fixture of claim 1, wherein: the testing device (3) comprises a current transducer testing instrument (301), a connecting wire (302) and a testing probe (303), wherein the current transducer testing instrument (301) is fixedly connected to the top of the placing base plate (202), the connecting wire (302) is fixedly connected to the back of the current transducer testing instrument (301), and the testing probe (303) is fixedly connected to the back of the connecting wire (302).

3. The current transducer test fixture of claim 1, wherein: the inner rubber anti-skid pad (207) is cylindrical in shape, and the length of the inner rubber anti-skid pad (207) is equal to the thickness of the mechanical clamping jaw (206).

4. The current transducer test fixture of claim 2, wherein: the number of the connecting wires (302) and the number of the testing probes (303) are two, and the two connecting wires (302) and the two testing probes (303) are symmetrically distributed on the left side and the right side of the back of the current transducer testing instrument (301).

5. The current transducer test fixture of claim 1, wherein: the number of the placing underframe (203), the connecting lantern ring (204), the hydraulic telescopic rods (205) and the mechanical clamping jaws (206) is two, and the two placing underframe (203), the connecting lantern ring (204), the hydraulic telescopic rods (205) and the mechanical clamping jaws (206) are symmetrically distributed on the left side and the right side of the top of the placing bottom plate (202).

6. The current transducer test fixture of claim 1, wherein: the bottom of the mechanical clamping jaw (206) is connected with the top of the placing bottom plate (202) near the back surface in a sliding way.

7. The current transducer test fixture of claim 1, wherein: the inner rubber anti-slip pads (207) are arranged on the inner wall of the mechanical clamping jaw (206) at equal intervals.