CN209765004U - Heavy current test fixture for W-shaped frame circuit breaker - Google Patents
Heavy current test fixture for W-shaped frame circuit breaker Download PDFInfo
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- CN209765004U CN209765004U CN201822201208.6U CN201822201208U CN209765004U CN 209765004 U CN209765004 U CN 209765004U CN 201822201208 U CN201822201208 U CN 201822201208U CN 209765004 U CN209765004 U CN 209765004U
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- occlusion
- circuit breaker
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- floating
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Abstract
The utility model relates to a test fixture especially relates to a W type frame circuit breaker heavy current test fixture. The test table comprises a test table support, wherein a pair of meshing structures vertically distributed is arranged in the test table support, each meshing structure comprises an inner meshing assembly and an outer meshing assembly, and a meshing test notch is formed between the inner meshing assembly and the outer meshing assembly. The heavy current test fixture for the W-shaped frame circuit breaker further improves the test precision and the test operation performance.
Description
Technical Field
The utility model relates to a test fixture especially relates to a W type frame circuit breaker heavy current test fixture.
Background
The mechanism of the test fixture for the original test w-type frame circuit breaker is of a clamp type, each product of a tested frame circuit breaker busbar has slight size difference, so that the contact between a test electrode and the tested switch busbar is poor in the clamping process, the surface contact cannot be achieved, most of the products are in line contact, the loop resistance is large, the voltage regulating range of a constant current source voltage regulator is exceeded sometimes, and the test data is inaccurate. With the continuous development of power systems, the breaking capacity of circuit breakers is required to be higher and higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve exist not enough among the prior art, provide a stable in structure, easy and simple to handle, frame circuit breaker heavy current test fixture that can automatic adjustment, the messenger test electrode that this anchor clamps can be stable with surveyed the circuit breaker and arrange between the face contact, and be applicable to different female thickness of arranging, the heavy current test fixture of a W type frame circuit breaker of the frame circuit breaker test of different current classes.
The above technical problem of the present invention can be solved by the following technical solutions:
A large-current test fixture for a W-shaped frame circuit breaker comprises a test bench support, wherein a pair of meshing structures vertically distributed are arranged in the test bench support, each meshing structure comprises an inner meshing assembly and an outer meshing assembly, a meshing test notch is formed between the inner meshing assembly and the outer meshing assembly, the inner meshing assembly comprises an inner meshing moving plate capable of moving up and down, an epoxy plate arc surface is arranged on the inner meshing moving plate, the outer meshing assembly comprises an electrode fixing plate, a busbar supporting column and a floating plate, an insulating partition plate is arranged at the bottom of the floating plate, electrode fixing plates in sliding connection with the floating plate are respectively arranged on two side walls of the floating plate, two bearing points which are adjusted in a sliding mode along the electrode fixing plates are arranged in the floating plate, and a triangular stress structure is formed by the two bearing points and the epoxy plate arc surface, the upper portion of insulating barrier be equipped with the female support column of arranging that upwards extends, floating plate and female support column cup joint mutually, the upper end of female row support column be equipped with female connecting plate of arranging.
Preferably, the inner occlusion moving plate is vertically displaced through an air cylinder, the air cylinder is fixed through an air cylinder fixing plate, the electrode fixing plate is fixed with the air cylinder fixing plate, and the electrode fixing plate is guided and positioned through a pair of guide posts arranged in the test bench bracket.
Preferably, an arc groove is formed in the electrode fixing plate, the bearing point slides along the arc groove, a base plate is arranged at the upper part of the floating plate, and the busbar support column is fixed with the busbar connecting plate through a copper nut.
The testing electrode is connected with an external testing cable through a busbar connecting plate, the testing electrode is insulated with the floating plate through an insulating partition plate and a base plate, two bearings are arranged on the floating plate, the bearings can float left and right in an arc groove on an electrode fixing plate I, when the cylinder sucks air and clamps, the cylinder on the outer occlusion assembly pushes the inner occlusion assembly, the two assemblies complete the occlusion action through the sliding of the linear bearings on the guide pillar, at the moment, two bearing points on the floating plate and an epoxy plate arc surface on the lower inner occlusion assembly form a triangular stress structure, the two bearings automatically roll to the testing electrode to be parallel to the tested busbar, the surface of the testing electrode is attached to the stable surface of the busbar surface of the tested frame circuit breaker, and the stability of the testing current of the switch is ensured.
The bearing point on the floating plate drives the whole external occlusion assembly to carry out floating adjustment through the arc groove.
The utility model relates to a W type frame circuit breaker heavy current test fixture further promotes the measuring accuracy, promotes test operation performance.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
Fig. 2 is a schematic structural view of the external engagement assembly of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1: as shown in the figure, the large-current test fixture for the W-shaped frame circuit breaker comprises a test bench support 1, a pair of meshing structures which are vertically distributed is arranged in the test bench support 1, each meshing structure comprises an inner meshing assembly and an outer meshing assembly, a meshing test notch 2 is formed between the inner meshing assembly and the outer meshing assembly, the inner meshing assembly comprises an inner meshing movable plate 3 capable of moving up and down, an epoxy plate arc surface 4 is arranged on the inner meshing movable plate 3, the outer meshing assembly comprises an electrode fixing plate 5, a busbar supporting column 6 and a floating plate 7, an insulating partition plate 8 is arranged at the bottom of the floating plate 7, two electrode fixing plates 5 which are in sliding connection with the floating plate 7 are respectively arranged on two side walls of the floating plate 7, two bearing points 9 which are in sliding adjustment along the electrode fixing plates 5 are arranged in the floating plate 7, two bearing points 9 and epoxy plate arc surface 4 form triangle-shaped stress structure, the upper portion of insulating barrier 8 be equipped with the female support column 6 that arranges that upwards extends, floating plate 7 cup joint with female support column 6 of arranging mutually, the upper end of female support column 6 of arranging be equipped with female connecting plate 10 of arranging.
The internal occlusion moving plate 3 is vertically displaced through an air cylinder 11, the air cylinder 11 is fixed through an air cylinder fixing plate 12, the electrode fixing plate 5 is fixed with the air cylinder fixing plate 12, and the electrode fixing plate 5 is guided and positioned through a pair of guide posts 13 arranged in the test bench bracket 1.
the electrode fixing plate 5 is provided with an arc groove 14, the bearing point 9 slides along the arc groove 14, the upper part of the floating plate 7 is provided with a backing plate 15, and the busbar support column 6 is fixed with the busbar connecting plate 10 through a copper nut 16.
Claims (3)
1. The utility model provides a W type frame circuit breaker heavy current test fixture which characterized in that: the device comprises a test bench support (1), a pair of occlusion structures vertically distributed is arranged in the test bench support (1), each occlusion structure comprises an inner occlusion assembly and an outer occlusion assembly, an occlusion test notch (2) is formed between each inner occlusion assembly and each outer occlusion assembly, each inner occlusion assembly comprises an inner occlusion moving plate (3) capable of moving up and down, an epoxy plate arc surface (4) is arranged on each inner occlusion moving plate (3), each outer occlusion assembly comprises an electrode fixing plate (5), a busbar supporting column (6) and a floating plate (7), an insulating partition plate (8) is arranged at the bottom of each floating plate (7), electrode fixing plates (5) slidably connected with the floating plates (7) are respectively arranged on two side walls of each floating plate (7), two bearing points (9) slidably adjusted along the electrode fixing plates (5) are arranged in each floating plate (7), two bearing points (9) and epoxy plate arc surface (4) form a triangular stress structure, the upper portion of insulating partition (8) be equipped with the female support column (6) of arranging that upwards extends, floating plate (7) cup joint with female support column (6) of arranging mutually, the upper end of female support column (6) of arranging be equipped with female connecting plate (10) of arranging.
2. The high current test fixture for the W-shaped frame circuit breaker as claimed in claim 1, wherein: the inner occlusion moving plate (3) is vertically displaced through an air cylinder (11), the air cylinder (11) is fixed through an air cylinder fixing plate (12), the electrode fixing plate (5) is fixed with the air cylinder fixing plate (12), and the electrode fixing plate (5) is guided and positioned through a pair of guide posts (13) arranged in the test bench bracket (1).
3. The high current test fixture for the W-shaped frame circuit breaker as claimed in claim 1, wherein: the electrode fixing plate (5) is internally provided with an arc groove (14), the bearing point (9) slides along the arc groove (14), the upper part of the floating plate (7) is provided with a backing plate (15), and the busbar support column (6) is fixed with the busbar connecting plate (10) through a copper nut (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822201208.6U CN209765004U (en) | 2018-12-26 | 2018-12-26 | Heavy current test fixture for W-shaped frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822201208.6U CN209765004U (en) | 2018-12-26 | 2018-12-26 | Heavy current test fixture for W-shaped frame circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765004U true CN209765004U (en) | 2019-12-10 |
Family
ID=68747382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822201208.6U Active CN209765004U (en) | 2018-12-26 | 2018-12-26 | Heavy current test fixture for W-shaped frame circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765004U (en) |
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2018
- 2018-12-26 CN CN201822201208.6U patent/CN209765004U/en active Active
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