CN112305275A - 10kV cubical switchboard generating line withstand voltage test wiring instrument - Google Patents

10kV cubical switchboard generating line withstand voltage test wiring instrument Download PDF

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Publication number
CN112305275A
CN112305275A CN202011344877.4A CN202011344877A CN112305275A CN 112305275 A CN112305275 A CN 112305275A CN 202011344877 A CN202011344877 A CN 202011344877A CN 112305275 A CN112305275 A CN 112305275A
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CN
China
Prior art keywords
rod
withstand voltage
voltage test
threaded rod
variable contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011344877.4A
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Chinese (zh)
Inventor
林志锋
陈达壮
张玲
杨屹洲
蔡宗斌
刘海沧
李建英
鄢园
林淑娟
汤杰
丁嘉靖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202011344877.4A priority Critical patent/CN112305275A/en
Publication of CN112305275A publication Critical patent/CN112305275A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses a 10kV switch cabinet bus withstand voltage test wiring tool in the technical field of high-voltage switch cabinet wiring tools, which comprises a variable contact end, an extension plate and a lifting adjusting bracket, the cantilever end of the variable contact end is a hollow structure rod body, the elastic pressing contact pieces are arranged on the end part of the inner cavity of the hollow structure rod body in an annular array manner, the lifting adjusting support comprises an upper external thread rod and a lower threaded rod, the upper external thread rod is in threaded connection with the lower threaded rod through an internal thread sleeve, the upper external thread rod is in conduction connection with the extension plate, the lower end of the side wall of the lower threaded rod is provided with a wiring end connected with an external pressure-resistant instrument lead, and the lower end of the side wall of the lower threaded rod is elastically pressed and opened through, can realize stable conduction connection contact of bus contacts with different specifications and sizes, can play a good role of insulation shielding, avoids the conductive part from being stressed, the test was interrupted by an insufficient insulation distance from the bus bar sleeve and surrounding components causing discharge.

Description

10kV cubical switchboard generating line withstand voltage test wiring instrument
Technical Field
The invention relates to the technical field of high-voltage switch cabinet wiring tools, in particular to a wiring tool for a 10kV switch cabinet bus withstand voltage test.
Background
The bus voltage withstand test of present on-the-spot electrical test work lacks dedicated withstand voltage wiring instrument, adopts two kinds of modes to carry out the wiring more: the method comprises the steps that a rear cover of a 10kV switch cabinet is opened, an insulating sleeve of a bus is removed, and a common wire clamp is used for clamping a metal exposed part of the bus to perform a voltage withstand test, so that the method has the defects of time consumption, labor waste, requirement of multi-shift combination, safety and the like; and in the second mode, the front middle cabinet of the 10kV switch cabinet is opened, and a pressure test is carried out from the led-out bus sleeve, the mode has obvious advantages of time saving and convenience, but because a common wire clamp is used, the falling risk exists in the pressure process, the test is often interrupted due to the fact that the insulation distance between a wire clamp lead and a bus sleeve and surrounding parts is not enough, the defects that misjudgment of test results is easily caused, multiple times of pressure resistance is needed to be carried out, unnecessary damage to equipment is caused, and the like exist, so the mode is rarely adopted for testing in actual work, the types of the current 10kV switch cabinet are more, such as KYN28A-12, KYN28-24 and KYN61-40.5, the sizes of bus sleeve contacts are various, the height sizes of the bus sleeves are various, and the traditional wiring tool with specific specification sizes.
Based on the above, the invention designs a 10kV switch cabinet bus withstand voltage test wiring tool to solve the above problems.
Disclosure of Invention
The invention aims to provide a wiring tool for a 10kV switch cabinet bus withstand voltage test, so as to solve the technical problem.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a 10kV cubical switchboard generating line withstand voltage test wiring instrument, includes variable touch end, extension board and lift adjustment support, extend board turn-on connection with form the right angle and distribute between variable touch end and the lift adjustment support, the cantilever end of variable touch end is the hollow structure body of rod, hollow structure body of rod inner chamber tip hoop array is provided with the bullet and presses the contact, the lift adjustment support includes external screw thread pole and lower threaded rod, go up through the internal thread sleeve spiro union between external screw thread pole and the lower threaded rod, go up the external screw thread pole with extend board turn-on connection, threaded rod lateral wall lower extreme is provided with the wiring end of being connected with outside withstand voltage instrument wire down.
Preferably, the suppress contact be the middle part to the arc structure of the inboard uplift of variable contact end axis, the one end of suppress contact articulates there is the bullet piece seat, the bullet piece seat fixed set up in variable contact end inner chamber wall, the middle part lateral wall of suppress contact with be connected the suppress spring between the variable contact end inner chamber wall.
Preferably, the outer wall of the variable contact end is wrapped with an insulating sleeve.
Preferably, a pleated wall insulating sleeve is arranged on the outer side of the lifting adjusting support, the upper end of the pleated wall insulating sleeve is fixed with the upper end of the upper external thread rod, and the outer end of the pleated wall insulating sleeve naturally droops to shield the whole lifting adjusting support.
Preferably, the bottom of threaded rod is provided with the fixed mounting base down, it is provided with the gag lever post to lie in on the fixed mounting base erect on one side of lift adjustment support, the top clearance of gag lever post runs through the extension board.
Compared with the prior art, the invention has the beneficial effects that:
the wiring tool for the 10kV switch cabinet bus withstand voltage test mainly comprises a variable contact end, an extension plate and a lifting adjusting support, wherein the cantilever end of the variable contact end is a hollow structure rod body, elastic contact pieces are arranged in an annular array at the end part of the inner cavity of the hollow structure rod body, and the stable conduction connection contact of bus contacts with different specifications and sizes can be realized by the elastic contact pieces of a plurality of reversing arrays in an elastic pressing opening and closing manner; the lift adjustment support includes external screw thread pole and lower screw rod, go up through the internal thread sleeve spiro union between external screw thread pole and the lower screw rod, external screw thread pole and lower screw rod axial spacing can be changed through rotatory internal thread sleeve, and then the height of variable contact end is changed, the realization is to the stable on-state connection contact of the bus contact of co-altitude not, secondly, the outer wall cladding of variable contact end is provided with insulating sleeve, the outside of lift adjustment support is provided with the insulating cover of pleat wall, can play good insulating effect of shielding, avoid conducting part at the pressurization in-process, thereby it makes experimental interrupt to lead to discharging inadequately because of with bus sleeve and surrounding parts insulating distance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of a variable contact end structure according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-variable contact end, 11-elastic pressing contact piece, 12-elastic piece seat, 13-elastic pressing spring, 14-insulating sleeve, 2-extension plate, 3-lifting adjusting support, 31-upper external screw rod, 32-lower screw rod, 33-internal screw sleeve, 34-terminal, 35-pleated wall insulating sleeve, 36-fixed mounting base and 37-limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a10 kV switch cabinet bus withstand voltage test wiring tool comprises a variable contact end 1, an extension plate 2 and a lifting adjusting support 3, wherein the extension plate 2 is in conduction connection with the variable contact end 1 and the lifting adjusting support 3 to form right-angle distribution, a cantilever end of the variable contact end 1 is a hollow structure rod body, elastic contact pieces 11 are arranged in an annular array at the end part of an inner cavity of the hollow structure rod body, the elastic contact pieces 11 are of an arc structure with the middle part protruding towards the inner side of the central axis of the variable contact end 1, one end of each elastic contact piece 11 is hinged with an elastic piece seat 12, the elastic piece seats 12 are fixedly arranged on the inner cavity wall of the variable contact end 1, elastic springs 13 are connected between the side wall of the middle part of each elastic contact piece 11 and the inner cavity wall of the variable contact end 1, stable conduction connection contact of bus contacts with different specifications and sizes can be realized through elastic opening and closing of the elastic contact pieces 11 in a plurality of reversing arrays, an insulating sleeve 14 is coated on, the insulating shielding effect can be good, and the test interruption caused by discharge due to insufficient insulating distance between the conductive part and the bus sleeve and surrounding parts in the pressurizing process can be avoided;
the lifting adjusting support 3 comprises an upper external thread rod 31 and a lower thread rod 32, the upper external thread rod 31 and the lower thread rod 32 are in threaded connection through an internal thread sleeve 33, the thread directions of the outer walls of the upper external thread rod 31 and the lower thread rod 32 are opposite, and the upper external thread rod 31 and the lower thread rod 32 are respectively in matched threaded connection with the two ends of the inner wall of the internal thread sleeve 33, the axial distance between the upper external thread rod 31 and the lower thread rod 32 can be changed by rotating the internal thread sleeve 33, the height of the variable contact end 1 is further changed, and the bus contacts with different heights are stably connected and contacted;
the upper external thread rod 31 is connected with the extending plate 2 in a conduction way, the lower end of the side wall of the lower thread rod 32 is provided with a wiring terminal 34 connected with the external voltage-resistant instrument lead for connecting with the external voltage-resistant instrument lead, the bottom of the lower thread rod 32 is provided with a fixed mounting base 36, a limiting rod 37 is vertically arranged on one side of the lifting adjusting bracket 3 on the fixed mounting base 36, the top end gap of the limiting rod 37 penetrates through the extending plate 2, when the internal thread sleeve 33 is rotated, the upper external thread rod 31 only can move up and down without rotating along with the upper external thread rod, the limiting effect is achieved, the outer side of the lifting adjusting bracket 3 is provided with a pleated wall insulating sleeve 35, the upper end of the pleated wall insulating sleeve 35 is fixed with the upper end of the upper external thread rod 31, the outer end of the pleated wall insulating sleeve 35 naturally sags to shield the whole lifting adjusting bracket 3, the pleated wall insulating sleeve 35 can be, the test interruption caused by discharge due to insufficient insulation distance between the conductive part and the bus sleeve and surrounding parts in the pressurization process is avoided.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a 10kV cubical switchboard generating line withstand voltage test wiring instrument which characterized in that: including variable contact end (1), extension board (2) and lift adjustment support (3), extend board (2) turn-on connection with form the right angle and distribute between variable contact end (1) and lift adjustment support (3), the cantilever end of variable contact end (1) is the hollow structure body of rod, hollow structure body of rod inner chamber tip hoop array is provided with bullet pressure contact (11), lift adjustment support (3) are including outer screw rod (31) and lower threaded rod (32), go up through internal thread sleeve (33) spiro union between outer screw rod (31) and lower threaded rod (32), go up outer screw rod (31) with extend board (2) turn-on connection, threaded rod (32) lateral wall lower extreme is provided with wiring end (34) of being connected with the withstand voltage instrument wire of outside.
2. The 10kV cubical switchboard generating line withstand voltage test wiring instrument of claim 1 characterized in that: suppress contact (11) for the middle part to the inboard arc structure that swells of variable contact end (1) axis, the one end of suppressing contact (11) articulates there is spring seat (12), spring seat (12) fixed set up in variable contact end (1) inner chamber wall, the middle part lateral wall of suppressing contact (11) with connect between variable contact end (1) inner chamber wall and suppress spring (13).
3. The 10kV cubical switchboard generating line withstand voltage test wiring instrument of claim 1 characterized in that: the outer wall of the variable contact end (1) is coated with an insulating sleeve (14).
4. The 10kV cubical switchboard generating line withstand voltage test wiring instrument of claim 1 characterized in that: the outer side of the lifting adjusting support (3) is provided with a pleated wall insulating sleeve (35), the upper end of the pleated wall insulating sleeve (35) is fixed with the upper end of the upper external thread rod (31), and the outer end of the pleated wall insulating sleeve (35) naturally droops to shield the whole lifting adjusting support (3).
5. The 10kV cubical switchboard generating line withstand voltage test wiring instrument of claim 1 characterized in that: the bottom of threaded rod (32) is provided with fixed mounting base (36) down, lie in on fixed mounting base (36) lift adjustment support (3) one side is erect and is provided with gag lever post (37), the top clearance of gag lever post (37) runs through extension board (2).
CN202011344877.4A 2020-11-25 2020-11-25 10kV cubical switchboard generating line withstand voltage test wiring instrument Pending CN112305275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011344877.4A CN112305275A (en) 2020-11-25 2020-11-25 10kV cubical switchboard generating line withstand voltage test wiring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011344877.4A CN112305275A (en) 2020-11-25 2020-11-25 10kV cubical switchboard generating line withstand voltage test wiring instrument

Publications (1)

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CN112305275A true CN112305275A (en) 2021-02-02

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Application Number Title Priority Date Filing Date
CN202011344877.4A Pending CN112305275A (en) 2020-11-25 2020-11-25 10kV cubical switchboard generating line withstand voltage test wiring instrument

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030190847A1 (en) * 2002-04-03 2003-10-09 Sumitomo Wiring Systems, Ltd. Female terminal fitting
CN205749585U (en) * 2016-06-20 2016-11-30 任绍全 Portable high-pressure bus ac voltage withstanding lead-in wire rapid card connection device
CN106300181A (en) * 2016-08-30 2017-01-04 成都市翻鑫家科技有限公司 A kind of novel busway inserting case connected structure
CN207409750U (en) * 2017-09-22 2018-05-25 深圳市沃尔新能源电气科技股份有限公司 Cable connector
CN211263537U (en) * 2019-11-08 2020-08-14 国网浙江省电力有限公司温州供电公司 Auxiliary device for withstand voltage test of switch cabinet
CN211505830U (en) * 2019-10-23 2020-09-15 鞍山恒泰电气有限公司 A primary and secondary wiring detector for cubical switchboard

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030190847A1 (en) * 2002-04-03 2003-10-09 Sumitomo Wiring Systems, Ltd. Female terminal fitting
CN205749585U (en) * 2016-06-20 2016-11-30 任绍全 Portable high-pressure bus ac voltage withstanding lead-in wire rapid card connection device
CN106300181A (en) * 2016-08-30 2017-01-04 成都市翻鑫家科技有限公司 A kind of novel busway inserting case connected structure
CN207409750U (en) * 2017-09-22 2018-05-25 深圳市沃尔新能源电气科技股份有限公司 Cable connector
CN211505830U (en) * 2019-10-23 2020-09-15 鞍山恒泰电气有限公司 A primary and secondary wiring detector for cubical switchboard
CN211263537U (en) * 2019-11-08 2020-08-14 国网浙江省电力有限公司温州供电公司 Auxiliary device for withstand voltage test of switch cabinet

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Application publication date: 20210202

RJ01 Rejection of invention patent application after publication