CN218848284U - Wire connector for circuit breaker characteristic test - Google Patents

Wire connector for circuit breaker characteristic test Download PDF

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Publication number
CN218848284U
CN218848284U CN202223155474.2U CN202223155474U CN218848284U CN 218848284 U CN218848284 U CN 218848284U CN 202223155474 U CN202223155474 U CN 202223155474U CN 218848284 U CN218848284 U CN 218848284U
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China
Prior art keywords
waist
shaped holes
circuit breaker
characteristic test
hole
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Application number
CN202223155474.2U
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Chinese (zh)
Inventor
张鹏超
余卫兵
梁琦
黄慧
卢俊
姚伟
李朝瑞
李萍
李小龙
聂继锋
刘小伟
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Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Priority to CN202223155474.2U priority Critical patent/CN218848284U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The utility model provides a connector for circuit breaker characteristic test, is including being used for with terminal row upper end correspond terminal screw butt's binding post, installation diaphragm and be used for with the fixing device on the terminal row is fixed to the installation diaphragm. The wiring pins are two, the distance between the wiring pins is adjustable, each wiring pin comprises two cylindrical rods and a first spring connected between the two cylindrical rods, and the cylindrical rod at the upper end is provided with a radial through hole capable of being provided with a positioning bolt; the middle part of the top end of the mounting transverse plate is provided with two waist-shaped holes I which are used for mounting two wiring pins side by side, the middle part of the side end of the mounting transverse plate is provided with two waist-shaped holes II which can penetrate through screw parts of positioning bolts, the waist-shaped holes I correspond to the waist-shaped holes II one to one, and the wiring pins are fixed through positioning bolts and nuts arranged in the corresponding waist-shaped holes II and the radial through holes after vertically penetrating through the corresponding waist-shaped holes I; the utility model discloses can reduce the cost of labor, improve economic benefits, experimental success rate simultaneously.

Description

Wire connector for circuit breaker characteristic test
Technical Field
The utility model relates to an experimental equipment technical field that uses of electrical equipment, concretely relates to a connector for circuit breaker characteristic is experimental.
Background
High-voltage circuit breakers in 110kV and 220kV transformer substations need to be periodically subjected to switch characteristic tests, the switch characteristic tests are used for testing data such as switching-on and switching-off speeds, switching-on and switching-off time, switching-on and switching-off different-phase degrees of switches and action voltages of switching-on and switching-off coils of the switches, and the data directly influence the switching-on and switching-off performances of the circuit breakers. The circuit breaker can fully exert the current breaking capability only by ensuring proper opening and closing speeds, and avoid contact point abrasion, burning loss, oil injection and even explosion caused by pre-breakdown in the closing process.
Before a test, wiring needs to be carried out on a control terminal row of a high-voltage circuit breaker in a terminal box, a terminal screw corresponding to a lead for controlling the opening and closing of the circuit breaker is found, a control line of a test instrument is connected to the terminal screw corresponding to the terminal row to control the opening and closing of a switch, but the control line on the connection terminal row needs to be manually pushed against a corresponding position on the terminal row. Before the test, the connection can clamp the control wire of the test instrument on the corresponding terminal wire which is detached from the terminal row, but the detachment of the terminal wire is time-consuming and labor-consuming, and is easy to make mistakes during the restoration.
The plug device comprises a cable terminal row, terminals, a contact pin and an elastic plug connector, wherein the contact pin is used for being plugged in the terminals to achieve connection, the elastic plug connector comprises a bottom plate, a connecting rod vertically penetrates through the bottom plate and is connected with the contact pin below the bottom plate, a spring is sleeved on the connecting rod, a limiting block and an elastic clamping block, the limiting block and the elastic clamping block are located on the opposite sides of the spring, the limiting block and the elastic clamping block extend downwards and bend inwards from the edges of the two sides of the bottom plate, the spring is configured to be suitable for enabling the contact pin to move downwards when the compression state is converted into the natural state, and the contact pin is connected with the cable through the connecting rod. However, the position of the contact pin of the device is fixed and cannot be adjusted, so that the device is only suitable for measuring the terminal strip of one type, and the application range is small. And because the circuit breaker can appear great mechanical vibration in the test process to cause the elasticity plug connector not hard up, lead to the test failure.
Disclosure of Invention
An object of the utility model is to solve the not enough of above-mentioned prior art to a connector for circuit breaker characteristic test is provided, reduces the cost of labor, improves economic benefits, the experimental success rate simultaneously.
A wire connector for circuit breaker performance testing, comprising:
the wiring pin is used for being abutted with the terminal screw corresponding to the upper end of the terminal row; the wiring pins are two, the distance between the wiring pins is adjustable, each wiring pin comprises two cylindrical rods and a first spring connected between the two cylindrical rods, and the cylindrical rod at the upper end is provided with a radial through hole capable of being provided with a positioning bolt;
installing a transverse plate; the middle part of the top end of the mounting transverse plate is provided with two waist-shaped holes I which are used for mounting two wiring pins side by side, the middle part of the side end of the mounting transverse plate is provided with two waist-shaped holes II which can penetrate through screw parts of positioning bolts, the waist-shaped holes I correspond to the waist-shaped holes II one to one, and the wiring pins are fixed through positioning bolts and nuts arranged in the corresponding waist-shaped holes II and the radial through holes after vertically penetrating through the corresponding waist-shaped holes I;
and the fixing device is used for fixing the mounting transverse plate on the terminal strip.
The fixing device comprises two fixing clamp bodies symmetrically arranged at two ends of the terminal strip and a connecting plate used for connecting the two fixing clamp bodies, and the connecting plate is connected to the upper end parts of the two fixing clamp bodies.
And a fixing screw capable of abutting against the side wall of the terminal row is arranged in the threaded through hole at the bottom of the fixing clamp body.
Each fixing clamp body upper portion has the step hole, and the step hole is including being located the big hole portion of upper end and being located the aperture portion of lower extreme, and aperture portion inner wall has the internal thread with fastening bolt complex, and installation diaphragm both ends have one respectively to step the through-hole, and two fastening bolts pass two of installation diaphragm from top to bottom in proper order and step hole threaded connection on the fixing clamp body behind stepping the through-hole.
And a second spring is sleeved outside the fastening bolt, one end of the second spring is abutted against the bottom of the hole of the large hole part, and the other end of the second spring is abutted against the lower end face of the mounting transverse plate.
The fixing clamp body and the connecting plate are both made of polyethylene epoxy resin materials.
The lower tip of connector pin is the cone that external diameter reduces gradually from top to bottom.
The two cylindrical rods, the first spring and the cone at the lower part which form the wiring pin are all made of stainless steel materials with silver plated on the outer parts.
Compared with the prior art the utility model discloses the job site need not the manual fixed binding post of staff, also can make staff and terminal box keep certain safe distance when realizing one-man operation, and operating instrument's staff self safety can obtain better guardianship.
The utility model discloses can reduce 1 experimental operating personnel's input, the great reduction of cost of labor, economic benefits obtains effectively improving.
The utility model discloses it is firm to install, can effectively reduce experimental failure rate.
Drawings
FIG. 1 is a diagram illustrating the usage of the present invention;
FIG. 2 is a schematic view of the present invention;
fig. 3 is a partial cross-sectional view of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.
In fig. 1 and 2, a wiring pin 3 for butting with two terminal screws 4 on a terminal strip 1 is fixed on a mounting transverse plate 16, two side-by-side waist-shaped holes 8 are formed in the top end of the mounting transverse plate 16, the two waist-shaped holes 8 are respectively used for penetrating the wiring pin 3, the two wiring pins 3 can transversely move in the waist-shaped holes 8, and further the distance between the two wiring pins 3 is adjusted, so that the quick wiring device for switching characteristic tests is suitable for butting with terminal strips of different styles, the wiring pin 3 comprises two cylindrical rods and a spring I5 connected between the two cylindrical rods, the cylindrical rod at the upper end is provided with a radial through hole capable of mounting a positioning bolt 7, the middle part of the side surface of the mounting transverse plate 6 is provided with two waist-shaped holes II 9 corresponding to the waist-shaped holes I8 side by side, after the wiring pin 3 vertically penetrates through the corresponding waist-shaped holes I8, the positioning bolt 7 sequentially penetrates through the corresponding waist-shaped holes II 9, a nut 10 is mounted on the radial through hole for fixing, and positioning and fixing of the wiring pin 3 is realized. The wiring pin 3 includes two cylinder poles and connects spring 5 between two cylinder poles, and the cone that the lower tip of wiring pin 3 reduces for external diameter from top to bottom gradually, forms two cylinder poles, spring 5 of wiring pin 3 and the cone of lower part and all adopts outside silvered stainless steel to make, has good wire performance, and two wiring pins 3 are connected with two control lines of switch special effect tester respectively, but control line beading is in the upper end of two wiring pins 3. The fixing device is used for fixing the installation transverse plate 6 on the terminal strip 1, the fixing device comprises two fixing clamp bodies 2 and a connecting plate 11 for connecting the two fixing clamp bodies 2, and the connecting plate 11 is connected to the upper end parts of the two fixing clamp bodies 2. The two fixing clamps 2 are symmetrically arranged at two ends of the terminal row 1, the bottom of each fixing clamp 2 is provided with a threaded through hole, and a fixing screw 12 with the top end capable of abutting against the side wall of the terminal row 1 is arranged in each threaded through hole, so that connection is reliable, and test failure caused by loosening due to large mechanical vibration is avoided. The fixing clamp body 2 and the connecting plate 11 are both made of polyethylene epoxy resin materials with good insulating property.
In fig. 3, two fixing clamps 2 are provided with step holes 17, the small hole portion of the step hole 17 is located at the lower end of the large hole portion, inner threads are provided on the inner wall of the small hole portion, two end portions of the mounting transverse plate 6 are provided with abdicating through holes, and two fastening bolts 16 sequentially penetrate through the two abdicating through holes of the mounting transverse plate 6 from top to bottom to be in threaded connection with the step holes 17 on the corresponding fixing clamps 2. A second spring 18 is sleeved outside the fastening bolt 16, one end of the second spring 18 is abutted against the bottom of the large hole part of the stepped hole 17, and the other end of the second spring 18 is abutted against the lower end face of the mounting transverse plate 6.
When the fastening bolt 16 connects the mounting cross plate 6 and the two fixing clamps 2, the first spring 5 and the second spring 18 are in a compressed state.

Claims (8)

1. The utility model provides a connector for circuit breaker characteristic test which characterized in that: the method comprises the following steps:
the wiring pin (3) is used for being abutted against the corresponding terminal screw (4) at the upper end of the terminal row (1); the wiring pins (3) are two, the distance between the wiring pins is adjustable, each wiring pin (3) comprises two cylindrical rods and a first spring (5) connected between the two cylindrical rods, and the cylindrical rod at the upper end is provided with a radial through hole capable of being provided with a positioning bolt (7);
installing a transverse plate (6); the middle part of the top end of the mounting transverse plate (6) is provided with two waist-shaped holes I (8) for mounting the two wiring pins (3), the two waist-shaped holes I (8) are arranged side by side, the middle part of the side end of the mounting transverse plate (6) is also provided with two waist-shaped holes II (9) capable of penetrating through screw parts of the positioning bolts (7), the two waist-shaped holes II (9) are arranged side by side, the waist-shaped holes I (8) correspond to the waist-shaped holes II (9) one by one, and the wiring pins (3) are fixed through the positioning bolts (7) and nuts (10) arranged in the corresponding waist-shaped holes II (9) and the radial through holes after vertically penetrating through the corresponding waist-shaped holes I (8);
and a fixing device for fixing the mounting transverse plate (6) on the terminal strip.
2. The wire connector for circuit breaker characteristic test according to claim 1, wherein: the fixing device comprises two fixing clamp bodies (2) symmetrically arranged at two ends of the terminal strip (1) and a connecting plate (11) used for connecting the two fixing clamp bodies (2), and the connecting plate (11) is connected to the upper end portions of the two fixing clamp bodies (2).
3. The wire connector for circuit breaker characteristic test according to claim 2, wherein: and a fixing screw (12) which can abut against the side wall of the terminal row (1) is arranged in a threaded through hole at the bottom of the fixing clamp body (2).
4. The wire connector for circuit breaker characteristic test according to claim 2 or 3, characterized in that: every there is step hole (17) fixed clamp (2) upper portion, and step hole (17) are including being located the big hole portion of upper end and being located the aperture portion of lower extreme, and aperture portion inner wall has the internal thread with fastening bolt (16) complex, and installation diaphragm (6) both ends have a through-hole of stepping down respectively, and two fastening bolt (16) pass two of installation diaphragm (6) from top to bottom in proper order and step hole (17) threaded connection on the corresponding fixed clamp (2) behind the through-hole of stepping down.
5. The wire connector for circuit breaker characteristic test according to claim 4, wherein: and a second spring (18) is sleeved outside the fastening bolt (16), one end of the second spring (18) is abutted against the bottom of the large hole part, and the other end of the second spring (18) is abutted against the lower end face of the mounting transverse plate (6).
6. The wire connector for circuit breaker characteristic test according to claim 1, 2, 3 or 5, characterized in that: the fixed clamp body (2) and the connecting plate (11) are both made of polyethylene epoxy resin materials.
7. The wire connector for circuit breaker characteristic test according to claim 1, wherein: the lower tip of connector pin (3) is the cone that external diameter reduces gradually from top to bottom.
8. The wire connector for circuit breaker characteristic test according to claim 1 or 7, characterized in that: the two cylindrical rods, the first spring (5) and the cone at the lower part which form the wiring pin (3) are all made of stainless steel materials with silver plated on the outer parts.
CN202223155474.2U 2022-11-28 2022-11-28 Wire connector for circuit breaker characteristic test Active CN218848284U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223155474.2U CN218848284U (en) 2022-11-28 2022-11-28 Wire connector for circuit breaker characteristic test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223155474.2U CN218848284U (en) 2022-11-28 2022-11-28 Wire connector for circuit breaker characteristic test

Publications (1)

Publication Number Publication Date
CN218848284U true CN218848284U (en) 2023-04-11

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ID=87308220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223155474.2U Active CN218848284U (en) 2022-11-28 2022-11-28 Wire connector for circuit breaker characteristic test

Country Status (1)

Country Link
CN (1) CN218848284U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117288996A (en) * 2023-11-13 2023-12-26 广东电网有限责任公司佛山供电局 Quick wiring auxiliary device for mechanical characteristic test of circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117288996A (en) * 2023-11-13 2023-12-26 广东电网有限责任公司佛山供电局 Quick wiring auxiliary device for mechanical characteristic test of circuit breaker

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