CN111812362A - Novel quick short-circuit wire fixing device for testing instrument - Google Patents
Novel quick short-circuit wire fixing device for testing instrument Download PDFInfo
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- CN111812362A CN111812362A CN202010756588.9A CN202010756588A CN111812362A CN 111812362 A CN111812362 A CN 111812362A CN 202010756588 A CN202010756588 A CN 202010756588A CN 111812362 A CN111812362 A CN 111812362A
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- copper plate
- fixing device
- handle
- test instrument
- contact
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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Abstract
The invention relates to the technical field of fixing devices, in particular to a novel fixing device for a quick short-circuit wire of a test instrument. The novel fixing device for the quick short-circuit wire of the test instrument comprises a body and a clamping mechanism, wherein one end of the body is provided with a fixing head, the fixing head is provided with a connecting copper plate and a contact copper plate, and the connecting copper plate is in contact connection with the contact copper plate; the clamping mechanism comprises a movable pressure head, a pushing column, a handle, an adjusting screw rod and an elastic mechanism, wherein one end of the pushing column is connected with the movable pressure head, and the other end of the pushing column is connected with the handle; one end of the elastic mechanism is connected with the body, and the other end of the elastic mechanism is connected with the handle; the adjusting screw is connected with the end part of the handle in a contact way. The invention is designed by utilizing the lever principle, belongs to a lever force increasing tool, and is firm, safe and reliable.
Description
Technical Field
The invention relates to the technical field of fixing devices, in particular to a novel fixing device for a quick short-circuit wire of a test instrument.
Background
At present, in an electrical equipment testing instrument for daily application, for example, a transformer capacity tester is used for testing transformer short-circuit loss and transformer load loss, a high-voltage side is generally used as a testing end, a low-voltage side is used as a non-testing end, and the non-testing end needs to be manually short-circuited. At present, when the capacity test of the transformer is carried out on site, whether the short circuit jointing clamp is in good contact or not, and the short circuit jointing clamp is safe, reliable and firm is a more critical work. Especially, when the capacity of the transformer is tested on an outdoor rack, because the transformer is installed at the position on the rack too high, an electrical tester needs to perform manual short circuit on a low-voltage side non-testing end by short-circuit wiring of an electrical test through high-altitude operation. Because the conventional short circuit jointing clamp can only be used for screwing a screw by hands of a tester, poor contact often occurs in the test process, so that the test is unsuccessful, the working efficiency is low, and the safety risk of an electrical tester is increased due to the fact that the electrical tester needs to repeatedly carry out high-altitude operation; in addition, the short circuit jointing clamp is not firm and is easy to fall off from high altitude, and serious personal safety hidden danger is brought to electrical testing personnel on the ground.
Disclosure of Invention
The invention aims to solve the technical problems at least to a certain extent, and provides a novel quick short-circuit wire fixing device for a test instrument, which is designed by utilizing the lever principle, belongs to a lever force increasing tool, and is firm, safe and reliable.
The technical scheme of the invention is as follows: the novel fixing device for the quick short-circuit wire of the test instrument comprises a body and a clamping mechanism, wherein one end of the body is provided with a fixing head, the fixing head is provided with a connecting copper plate and a contact copper plate, and the connecting copper plate is in contact connection with the contact copper plate;
the clamping mechanism comprises a movable pressure head, a pushing column, a handle, an adjusting screw rod and an elastic mechanism, wherein one end of the pushing column is connected with the movable pressure head, and the other end of the pushing column is connected with the handle; one end of the elastic mechanism is connected with the body, and the other end of the elastic mechanism is connected with the handle; the adjusting screw is connected with the end part of the handle in a contact way.
Furthermore, a movable cavity is arranged in the body, and the adjusting screw rod is movably connected in the movable cavity.
Further, the elastic mechanism is a spring.
Furthermore, the handle is also connected with an opening mechanism.
Furthermore, the connecting copper plate and the contact copper plate are vertically connected with each other.
Furthermore, the body on be equipped with anti-skidding protective sheath.
Furthermore, the handle is provided with an anti-skid protective sleeve.
The contact copper plate is a plate-shaped structure made of pure copper.
The length of the contact copper plate is 55-65mm, and the width of the contact copper plate is 30-40 mm. Preferably, the length of the contact copper plate is 60mm, and the width of the contact copper plate is 35 mm.
Compared with the prior art, the beneficial effects are: the invention is designed by utilizing the lever principle, belongs to a lever force increasing tool, and is firm, safe and reliable. The operation is convenient, the screw rod at the back of the clamp can adjust the mouth opening of the clamp to a proper width point, and then the clamp is closed, so that the operation is labor-saving and rapid. The main wiring position of the short-circuit wire clamp opening is made of a pure copper plate with the length of 60mmX and the width of 35mm, the contact surface is wide, the accuracy of test data is improved, the working efficiency is high, and the safety risk of work is effectively avoided. The fixing head is made of high-quality carbon steel, has good toughness and is not easy to deform. The opening mechanism is provided with an auxiliary spring which can be quickly released. The handle is provided with an anti-slip protective sleeve, and the wave plastic coat is adopted, so that the anti-slip handle has an anti-slip effect and is convenient to hold during operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
As shown in fig. 1, the novel test instrument quick short-circuit wire fixing device comprises a body and a clamping mechanism, wherein one end of the body is provided with a fixing head 2, the fixing head 2 is provided with a connecting copper plate 1 and a contact copper plate 5, and the connecting copper plate 1 is in contact connection with the contact copper plate 5;
the clamping mechanism comprises a movable pressure head 6, a pushing column 7, a handle, an adjusting screw rod 4 and an elastic mechanism 3, wherein one end of the pushing column 7 is connected with the movable pressure head 6, and the other end of the pushing column 7 is connected with the handle; one end of the elastic mechanism 3 is connected with the body, and the other end is connected with the handle; the adjusting screw rod 4 is connected with the end of the handle in a contact way.
When the transformer capacity test is carried out on site, whether the short-circuit jointing clamp is in good contact or not is a more critical work, and the short-circuit jointing clamp is safe, reliable and firm. However, in actual operation, the conventional short circuit jointing clamp is inconvenient to operate and has the major disadvantages: the existing short circuit jointing clamp can only screw down screws by hands of testers, often causes poor contact in the testing process to cause unsuccessful testing, is repeatedly connected with wires and has low working efficiency and the like; in addition, the short circuit jointing clamp is not firm and is easy to fall off from high altitude, and serious personal safety hidden danger is brought to electrical testing personnel on the ground.
The invention relates to a lever force increasing tool which is designed according to the principle of a lever and belongs to a lever force increasing tool.
Furthermore, a movable cavity is arranged in the body, and the adjusting screw rod 4 is movably connected in the movable cavity. The invention is convenient to operate, the adjusting screw rod 4 is arranged behind the clamp, the adjusting screw rod 4 can adjust the opening degree of the mouth opening of the clamp, the mouth opening of the clamp is adjusted to a proper width point, and then the clamp is closed, so that the invention is labor-saving and rapid.
Further, the elastic mechanism 3 is a spring. The handle is also connected with an opening mechanism 8. The handle opening mechanism 8 is provided with a spring which can assist the quick release of the opening mechanism 8.
Further, the connection copper plate 1 and the contact copper plate 5 are perpendicularly connected to each other.
In this embodiment, be equipped with anti-skidding protective sheath 9 on the body, be equipped with anti-skidding protective sheath 9 on the handle. The handle is provided with an anti-slip protective sleeve 9, a wave plastic coat is adopted, the anti-slip protective sleeve has an anti-slip effect, and the anti-slip protective sleeve is convenient to hold during operation.
Specifically, the contact copper plate 5 is a plate-like structure made of pure copper. The length of the contact copper plate 5 is 55-65mm, and the width is 30-40 mm. In this embodiment, the contact copper plate 5 has a length of 60mm and a width of 35 mm.
In the embodiment, the main wiring part of the short wiring clamp opening is made of a pure copper plate with the length of 60mmX and the width of 35mm, the contact surface is wide, the accuracy of test data is improved, the working efficiency is high, the repeated operation of an electrical tester is not needed, and the safety risk of the electrical tester for high-altitude operation for many times is effectively avoided.
The fixing head 2 is made of high-quality carbon steel, and has the advantages of good toughness and difficult deformation.
This quick short-circuit connection fixing device of novel test instrument's main wiring position is made by pure copper material, designs through the structure of lever principle, reaches key points such as laborsaving quick firm safe and reliable.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The novel fixing device for the quick short-circuit wire of the test instrument is characterized by comprising a body and a clamping mechanism, wherein one end of the body is provided with a fixing head (2), the fixing head (2) is provided with a connecting copper plate (1) and a contact copper plate (5), and the connecting copper plate (1) is in abutting connection with the contact copper plate (5);
the clamping mechanism comprises a movable pressure head (6), a pushing column (7), a handle, an adjusting screw rod (4) and an elastic mechanism (3), wherein one end of the pushing column (7) is connected with the movable pressure head (6), and the other end of the pushing column is connected with the handle; one end of the elastic mechanism (3) is connected with the body, and the other end is connected with the handle; the adjusting screw rod (4) is in contact connection with the end part of the handle.
2. The novel test instrument quick shorting stub fixing device according to claim 1, wherein: the body in be equipped with movable cavity, adjusting screw (4) swing joint is in the movable cavity.
3. The novel test instrument quick shorting stub fixing device according to claim 2, wherein: the elastic mechanism (3) is a spring.
4. The novel test instrument quick shorting stub fixing device according to claim 3, wherein: the handle is also connected with an opening mechanism (8).
5. The novel test instrument quick shorting stub fixing device according to claim 4, wherein: the connecting copper plate (1) and the contact copper plate (5) are mutually and vertically connected.
6. The novel test instrument quick shorting stub fixing device according to claim 1, wherein: the body on be equipped with anti-skidding protective sheath (9).
7. The novel test instrument quick shorting stub fixing device according to claim 1, wherein: the handle is provided with an anti-skid protective sleeve (9).
8. The novel test instrument quick shorting stub fixing device according to claim 1, wherein: the contact copper plate (5) is of a plate-shaped structure made of pure copper.
9. The novel test instrument quick shorting stub fixing device according to any one of claims 1 to 8, wherein: the length of the contact copper plate (5) is 55-65mm, and the width of the contact copper plate is 30-40 mm.
10. The novel test instrument quick shorting stub fixing device according to claim 9, wherein: the length of the contact copper plate (5) is 60mm, and the width is 35 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756588.9A CN111812362A (en) | 2020-07-31 | 2020-07-31 | Novel quick short-circuit wire fixing device for testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756588.9A CN111812362A (en) | 2020-07-31 | 2020-07-31 | Novel quick short-circuit wire fixing device for testing instrument |
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| Publication Number | Publication Date |
|---|---|
| CN111812362A true CN111812362A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010756588.9A Pending CN111812362A (en) | 2020-07-31 | 2020-07-31 | Novel quick short-circuit wire fixing device for testing instrument |
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| CN (1) | CN111812362A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2754601A1 (en) * | 1996-10-10 | 1998-04-17 | Chauvin Arnoux | OPENING ARRANGEMENT FOR AN AMPEREMETRIC CLAMP |
| CN203870128U (en) * | 2014-03-27 | 2014-10-08 | 国家电网公司 | Grounding conduction special-purpose test clamp |
| CN204597381U (en) * | 2015-04-30 | 2015-08-26 | 国家电网公司 | Cable wire stripping pliers |
| CN205565026U (en) * | 2016-04-07 | 2016-09-07 | 国网河北省电力公司涉县供电分公司 | Machinery pressing mode drainage fastener |
| CN207689557U (en) * | 2017-11-21 | 2018-08-03 | 国网浙江省电力公司湖州供电公司 | A kind of residual current measuring device |
| CN207817091U (en) * | 2018-01-12 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Detection device |
| CN210015129U (en) * | 2019-04-18 | 2020-02-04 | 广东电网有限责任公司 | Clamping device for tester |
-
2020
- 2020-07-31 CN CN202010756588.9A patent/CN111812362A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2754601A1 (en) * | 1996-10-10 | 1998-04-17 | Chauvin Arnoux | OPENING ARRANGEMENT FOR AN AMPEREMETRIC CLAMP |
| CN203870128U (en) * | 2014-03-27 | 2014-10-08 | 国家电网公司 | Grounding conduction special-purpose test clamp |
| CN204597381U (en) * | 2015-04-30 | 2015-08-26 | 国家电网公司 | Cable wire stripping pliers |
| CN205565026U (en) * | 2016-04-07 | 2016-09-07 | 国网河北省电力公司涉县供电分公司 | Machinery pressing mode drainage fastener |
| CN207689557U (en) * | 2017-11-21 | 2018-08-03 | 国网浙江省电力公司湖州供电公司 | A kind of residual current measuring device |
| CN207817091U (en) * | 2018-01-12 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Detection device |
| CN210015129U (en) * | 2019-04-18 | 2020-02-04 | 广东电网有限责任公司 | Clamping device for tester |
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Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |