Fixture for auxiliary test of electrical element

Abstract

The utility model provides a tool for auxiliary testing of an electrical element. The tool comprises an openable clamp, an extension support rod and a signal acquisition member. The openable clamp is installed on the extension support rod, two signal acquisition contacts of the signal acquisition component are respectively installed on the openable clamp, and the adjacent distance between the two signal acquisition contacts can be changed along with the opening and closing of the openable clamp. Each part can be adjusted and disassembled according to the specific shape and height of a test element, and the integrated function of height adjustment and safe signal acquisition and transmission operation is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical component measurement technical field, concretely relates to a kind of electrical component auxiliary test using fixture. BACKGROUND

[0002] In the electrical component performance measurement process, because of the physical limit of site or electrical equipment is in running state, it can not directly contact or approach the electrical component needing test. In order to overcome the above-mentioned limit, usually with the help of climbing erecting tool or equipment to complete measurement work. However, this method increases the possibility of test personnel contacting dangerous level, for example, the safety risk brought by high-altitude operation. At the same time, using additional tool and equipment also increases the cost of test work, including time, manpower and material resources. Although there are some auxiliary wiring fixture devices on the market, these devices mostly rely on the rotating lower insulating rod to operate the fastening contact point. When the insulating rod is lengthened to reach higher position, this rotating operation becomes less flexible, needs more physical strength, and with the increase of length, control accuracy can be reduced, leading to inconvenient operation.

[0003] The utility model aims at solving the problems existing in prior art, provides a kind of auxiliary test tool that is easy to make, easy and safe to operate, and can adapt to different space distances, to meet the needs of efficient and safe measurement of electrical component under complex environment. SUMMARY

[0004] One of the purposes of the utility model is to provide a kind of auxiliary test tool that is easy to make, easy and safe to operate, and can adapt to different space distances, to improve the safety and convenience of operation, adapt to the requirements of different space distances, simplify the measurement work under complex environment.

[0005] To achieve the above-mentioned purpose, the utility model provides an electrical component auxiliary test using fixture, including openable and closable clamp, extension support rod, signal acquisition component;The openable and closable clamp is installed on the extension support rod, and the two signal acquisition contacts of the signal acquisition component are respectively installed on the openable and closable clamp, which can change the distance between the two adjacent ones following the opening and closing of the openable and closable clamp.

[0006] Further, the openable and closable clamp includes clamp rod, clamp snap ring and clamp traction rope;The clamp rod is designed as V shape and made of elastic material;The clamp snap ring is fixedly installed at the bottom of the V-shaped structure of the clamp rod, and the upper end of the clamp traction rope is fixedly connected with the clamp snap ring;A group of signal acquisition contacts is respectively arranged on the two ends of the V-shaped clamp rod;The signal acquisition contacts are connected with signal transmission cable, and the signal transmission cable passes through the inside of the extension support rod;

[0007] The extension support rod is a cylinder, the inner diameter of the extension support rod is larger than the outer diameter of the clamp ring, so that the clamp ring can freely move in the extension support rod; the clamp traction rope is arranged in the extension support rod, the lower end of the clamp traction rope is led out from the lower end of the extension support rod, the upper end of the extension support rod is provided with a clamp fixing groove, and the lower part of the clamp rod is arranged in the clamp fixing groove, so that the stability and positioning accuracy of the clamp are ensured.

[0008] Further, the clamp rod is made of elastic steel plate, and the middle parts of the two side edges of the V-shaped structure of the clamp rod are connected through telescopic springs, so that the adaptability and flexibility of the clamp are enhanced.

[0009] Further, the middle part of the extension support rod is provided with an extension insulation rod.

[0010] Further, the clamp fixing groove is in an inverted conical structure, so that the clamp ring can be stably stopped at the required position.

[0011] Further, the clamp fixing groove is made of metal material.

[0012] Further, the inner wall of the extension support rod is made of insulating material.

[0013] Further, the signal acquisition contact is a trapezoidal copper block.

[0014] Further, the signal transmission cable is a rubber sheathed cable with an insulation level meeting the voltage level requirement of the measured element.

[0015] Further, the lower part of the extension support rod is provided with a traction rope fixing column for winding and fixing the lower end of the clamp traction rope.

[0016] The utility model discloses the beneficial effect that: the utility model discloses through using the remote control openable and closable clamp, utilizes the action of clamp traction rope control clamp ring, so that operating personnel can operate in the position away from the measured electrical element, reduces the risk that direct contact brings. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the description of prior art needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 The utility model provides a kind of structure schematic diagram of electrical element auxiliary test using clamp;

[0019] The serial number and each part structure and name in the drawing are as follows:

[0020] 1-openable clamp, 2-extended support rod, 3-signal acquisition component, 4-clamp rod, 5-clamp snap ring, 6-clamp traction rope, 7-clamp fixing groove, 8-extended insulation rod, 9-signal acquisition contact, 10-signal transmission cable, 11-telescopic spring, 12-traction rope fixing column. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0022] Please refer to Figure 1 A kind of electrical component auxiliary test use clamp provided by the utility model, including openable clamp 1, extended support rod 2, signal acquisition component 3, the openable clamp 1 is installed on extended support rod 2, two signal acquisition contacts 9 of signal acquisition component 3 are respectively installed on openable clamp 1, can follow the distance of adjacent of openable clamp 1 opening and closing change.

[0023] Please refer to Figure 1 The openable clamp 1 includes clamp rod 4, clamp snap ring 5, clamp traction rope 6;The clamp rod 4 is V-shaped design, is made of elastic material, bottom is no edge, forms isosceles triangle shape;The clamp snap ring 5 is fixedly installed at the bottom of the V-shaped structure of clamp rod 4, the upper end of the clamp traction rope 6 is fixedly connected with the clamp snap ring 5 by knot mode;The two ends of the V-shaped of the clamp rod 4 are respectively provided with a group of signal acquisition contacts 9;The signal acquisition contact 9 is connected with signal transmission cable 10, and signal transmission cable 10 passes from the inside of extended support rod 2.

[0024] Please refer to Figure 1 The extended support rod 2 is cylindrical body, the inner diameter of extended support rod 2 is greater than the outer diameter of clamp snap ring 5, clamp traction rope 6 is arranged in extended support rod 2, the lower end of clamp traction rope 6 is out of the lower end of extended support rod 2, and the upper end of extended support rod 2 is provided with clamp fixing groove 7, and the lower part of clamp rod 4 is arranged in clamp fixing groove 7.

[0025] Please refer to Figure 1 The clamp rod 4 is made of elastic steel plate, and the middle part of the two side edges of the V-shaped structure of the clamp rod 4 is connected by the telescopic spring 11, to ensure the stable movement of the telescopic spring 11.

[0026] Please refer to Figure 1 The middle part of the extended support rod 2 is provided with extended insulation rod 8, and the length of the extended insulation rod 8 meets the safety distance requirement.

[0027] Please refer toFigure 1 The clamp fixing groove 7 is a reverse taper structure, and provides a sliding track for the openable and closable clamp 1 to limit the movement direction.

[0028] Please refer to Figure 1 The clamp fixing groove 7 is made of metal material and has a reverse isosceles trapezoidal shape.

[0029] Please refer to Figure 1 The inner wall of the extension support rod 2 is made of insulating material.

[0030] Please refer to Figure 1 The signal acquisition contact 9 is a trapezoidal copper block with a screw hole in the center of the bottom.

[0031] Please refer to Figure 1 The signal transmission cable 10 is a rubber sheathed cable with an insulation level meeting the voltage level requirement of the measured element, and the end of the signal transmission cable 10 is crimped with a wire nose which is fixed to the screw hole in the bottom of the signal acquisition contact 9 by a bolt.

[0032] Please refer to Figure 1 The extension support rod 2 is provided with a traction rope fixing column 12 at the lower part, which is used for winding and fixing the lower end of the clamp traction rope 6, so that the signal acquisition contact 9 can keep close contact with the measured element.

[0033] Please refer to Figure 1 In this embodiment, the performance of a high-altitude object electrical element is tested, the handheld extension insulating rod 8 is used to move the openable and closable clamp 1 to the vicinity of the measured electrical element, and the extension support rod 2 has sufficient length to easily reach high places or difficult-to-access positions. The clamp traction rope 6 is used to pull the clamp clasp 5 to open the clamp rod 4, and at this time, the signal acquisition contact 9 adjusts the position along with the opening and closing of the clamp rod 4. According to the size and shape of the measured element, the opening and closing degree of the clamp rod 4 is appropriately adjusted to ensure that the signal acquisition contact 9 can accurately align with the measured element. When the signal acquisition contact 9 contacts the measured element, the clamp traction rope 6 is loosened to close the clamp rod and keep close contact with the measured element. The lower end of the clamp traction rope 6 is wound and fixed on the traction rope fixing column 12 at the lower part of the extension support rod 2 to ensure that the clamp does not accidentally loosen, thereby ensuring the stable contact between the signal acquisition contact 9 and the measured element, and connecting the signal transmission cable 10 to the test instrument to complete the test.

[0034] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixture for auxiliary testing of electrical components, comprising an openable and closable fixture (1), an extension support rod (2), and a signal acquisition component (3), characterized in that: The openable clamp (1) is mounted on the extension support rod (2), and the two signal acquisition contacts (9) of the signal acquisition component (3) are respectively mounted on the openable clamp (1), and can follow the opening and closing of the openable clamp (1) to change the distance between the two adjacent contacts.

2. The fixture for auxiliary testing of electrical components as described in claim 1, characterized in that: The openable clamp (1) includes a clamping rod (4), a clamping ring (5), and a clamping traction rope (6); the clamping rod (4) is a V-shaped design and is made of elastic material; the clamping ring (5) is fixedly installed at the bottom of the V-shaped structure of the clamping rod (4), and the upper end of the clamping traction rope (6) is fixedly connected to the clamping ring (5); a set of signal acquisition contacts (9) are respectively provided on both ends of the V-shape of the clamping rod (4); the signal acquisition contacts (9) are connected to a signal transmission cable (10), and the signal transmission cable (10) passes through the inside of the extension support rod (2); The extension support rod (2) is a cylindrical body. The inner diameter of the extension support rod (2) is larger than the outer diameter of the clamp circlip (5). The clamp traction rope (6) is located inside the extension support rod (2). The lower end of the clamp traction rope (6) passes through the lower end of the extension support rod (2). The upper end of the extension support rod (2) is provided with a clamp fixing groove (7). The lower part of the clamp rod (4) is placed in the clamp fixing groove (7).

3. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The clamp (4) is made of elastic steel plate, and the middle of the two sides of the V-shaped structure of the clamp (4) is connected by a telescopic spring (11).

4. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The extension support rod (2) is provided with an extension insulating rod (8) in the middle.

5. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The clamp fixing groove (7) has an inverted conical structure.

6. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The clamp fixing groove (7) is made of metal.

7. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The inner wall of the extension support rod (2) is made of insulating material.

8. The fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The signal acquisition contact (9) is a trapezoidal copper block.

9. A fixture for auxiliary testing of electrical components as described in claim 2, characterized in that: The signal transmission cable (10) is a rubber-sheathed cable with an insulation level that meets the voltage level requirements of the component under test.

10. A fixture for auxiliary testing of electrical components as described in claim 1, characterized in that: The lower part of the extension support rod (2) is provided with a traction rope fixing post (12) for the lower end of the clamp traction rope (6) to be wrapped and fixed.

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