CN202854234U - Binary channel split type high-altitude testing clamp - Google Patents

Binary channel split type high-altitude testing clamp Download PDF

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Publication number
CN202854234U
CN202854234U CN 201220426176 CN201220426176U CN202854234U CN 202854234 U CN202854234 U CN 202854234U CN 201220426176 CN201220426176 CN 201220426176 CN 201220426176 U CN201220426176 U CN 201220426176U CN 202854234 U CN202854234 U CN 202854234U
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CN
China
Prior art keywords
voltage
altitude
clamp
external insulation
split type
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.)
Expired - Fee Related
Application number
CN 201220426176
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Chinese (zh)
Inventor
乔红军
魏国辉
王宏伟
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 Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
Baoding Power Supply 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 Baoding Power Supply Co Ltd filed Critical Baoding Power Supply Co Ltd
Priority to CN 201220426176 priority Critical patent/CN202854234U/en
Application granted granted Critical
Publication of CN202854234U publication Critical patent/CN202854234U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Disclosed is a binary channel split type high-altitude testing clamp composed of four components. The external insulation aluminium rod, after combination, is internally provided with two electrical paths, that is, a voltage lead and a current lead. The external insulation aluminium rod is a hollow aluminium pipe, with the aluminium pipe being externally provided with an insulating layer. The aluminium pipe is internally provided with a built-in voltage lead, with the ends of the built-in voltage lead being jointed via a recessed port copper rod and a protruding port copper rod and combined with a connecting lead to form a path. The outer wall of the aluminium pipe is also a current lead. The current connecting line and the voltage connecting line of a bayonet type wiring clamp are respectively connected with the voltage and current terminals upon the external insulation aluminium rod. The novel high-altitude testing clamp of the utility model simplifies the wiring of the on-site measurement of the high voltage device, raises the measuring precision, and facilitates the carriage and high altitude construction.

Description

The split type high-altitude of binary channel testing clamp
Technical field
The utility model relates to a kind of electric test instrument, relates in particular to a kind of split type high-altitude of binary channel testing clamp of primary cut-out test.
Background technology
In the high voltage electric equipment of Operation of Electric Systems, primary cut-out is the equipment of broad-spectrum, primary cut-out loop resistance test is must survey project in the isolating switch routine test, because the loop resistance value of isolating switch is very little, usually about 20~50 W, therefore, the institute of test lead strip resistance own just can not be ignored, in this case, the common selection of testing tool can be measured the double bridge of small resistance; Double bridge is with four output terminals, be respectively two voltage output ends and two current output terminals, four output terminals are connected to respectively the both sides of tested device, when usually detecting at the scene, respectively at primary cut-out into and out of each obtaining current of line both sides and 2 semaphores of voltage, to satisfy the needs of accuracy of detection; Because being in into and out of line of primary cut-out is high aerial, measuring wiring becomes a numerous and diverse job, the method for two p-wires of high-altitude testing clamp, reference test bar and the respective length that adopts at present, and work has inconvenience.
The split type high-altitude of binary channel testing clamp is integrated with electric current and 2 paths of voltage and testing clamp and control lever, has simplified in disorder measurement wiring and the weight of testing tool, has made things convenient for work high above the ground.
The utility model content
The purpose of this utility model provides a kind of work high above the ground that makes things convenient for, with electric current, voltage channel and testing clamp and the split type high-altitude of the integrated binary channel of control lever testing clamp.
For reaching above-mentioned purpose, the split type high-altitude of binary channel testing clamp, be designed to split modular structure, overhead jointing clamp is A in order, B, C, C1 and 3 external insulation aluminium bars constitute, a bayonet type jointing clamp is housed in the upper end of overhead jointing clamp, the electric current connecting line of bayonet type jointing clamp, voltage connecting wire is connected with the connection terminal that the A1 of external insulation aluminium bar holds respectively, in external insulation aluminium bar, be respectively equipped with two electric pathways of voltage wire and current lead, the voltage wiring terminal by external insulation aluminium bar C1 lower end and current wiring terminal are with output voltage, electric current is transported to measuring equipment.
External insulation aluminium bar is hollow aluminum pipe, is provided with insulation course in the aluminum pipe outside, and there is a built-in voltage wire aluminum pipe inside and joins with voltage connecting wire, and hold concurrently current lead and electric current connecting line of aluminum pipe outer wall joins.
Recessed port copper rod in the voltage wire is by primary insulation nylon and outer aluminium alloy obturator cast solid, and the left end of recessed port copper rod connects the built-in voltage wire, and the end of exposing at the aluminium alloy obturator is provided with the precession screw thread.
Nose mouth copper rod in the voltage wire is by primary insulation nylon and relative being integral of outer aluminium alloy obturator, nose mouth copper rod one end is provided with energy-stored spring and is urged, the end connects the built-in voltage wire, and the aluminium alloy obturator in the aluminum pipe end is cast with interior spiral shell bandit.
Because the utility model has carried out Split assembled with electric current and 2 electric pathways of voltage and testing clamp and control lever, has simplified the measurement wiring, has improved measuring accuracy, has made things convenient for and has carried and work high above the ground.
Description of drawings
The split type high-altitude of Fig. 1 binary channel testing clamp structural drawing
In the drawings, 1-1 overhead jointing clamp, 1-2 external insulation aluminium bar, 1-3 voltage wiring terminal, 1-4 current wiring terminal, 1-5 electric current connecting line, 1-6 voltage connecting wire;
The split type high-altitude of Fig. 2 binary channel testing clamp cut-open view
In the drawings, 2-1 insulation course, 2-2 current lead, 2-3 voltage wire;
The split type high-altitude of Fig. 3 binary channel testing clamp B1 cross-sectional end view
In the drawings, the recessed port copper rod of 3-1,3-2 aluminium alloy obturator, 3-3 insulated nylon;
The split type high-altitude of Fig. 4 binary channel testing clamp B cross-sectional end view
In the drawings, 4-1 nose mouth copper rod, 4-2 aluminium alloy obturator, 4-3 are energy-stored spring.
Embodiment
Below in conjunction with accompanying drawing, the structure of the split type high-altitude of binary channel testing clamp is elaborated:
As seen from Figure 1, the high-altitude testing clamp is split modular structure, and A, B, C, C1 and 3 external insulation aluminium bar 1-2 constitute 5.2 meters of the rear total lengths of combination in order by overhead jointing clamp 1-1; A bayonet type jointing clamp is housed in the upper end of overhead jointing clamp 1-1, A end in its underpart makes up by the screw thread cuff with the A1 end of external insulation aluminium bar 1-2, electric current connecting line 1-5, the voltage connecting wire 1-6 of bayonet type jointing clamp is connected with the A1 terminated line terminal of external insulation aluminium bar 1-2 respectively, in external insulation aluminium bar 1-2, be respectively equipped with two electric pathways of voltage wire 2-3 and current lead 2-2, voltage wiring terminal 1-3 and current wiring terminal 1-4 by external insulation aluminium bar 1-2 C1 lower end are transported to measuring equipment with output voltage, electric current.
As shown in Figure 2, external insulation aluminium bar 1-2 is hollow aluminum pipe, the diameter of aluminum pipe is chosen as 28mm, be provided with insulation course 2-1 in the outside of aluminum pipe, its dielectric strength is 10MW, and the pipe outer wall doubles as current lead 2-2 and is insulated encirclement, a built-in voltage wire 2-3 is arranged in aluminum pipe inside and joins with voltage connecting wire 1-6, current lead 2-2 and electric current connecting line 1-5 join, and the voltage wire is chosen as the copper cash of 1.5 m ㎡ tape insulation crusts.
As shown in Figure 3, recessed port copper rod 3-1 among the voltage wire 2-3 is by primary insulation nylon 3-3 and outer aluminium alloy obturator 3-2 cast solid, the left end of recessed port copper rod 3-1 connects built-in voltage wire 2-3, its recessed port exposes, the end of exposing at aluminium alloy obturator 3-2, be shaped with the precession screw thread, the copper rod diameter is chosen as 6mm.
As shown in Figure 4, nose mouth copper rod 4-1 among the voltage wire 2-3 is by primary insulation nylon 3-3 and relative being integral of outer aluminium alloy obturator 4-2, be hidden in the aluminum pipe, nose mouth copper rod 4-1 end (right side) is by energy-stored spring 4-3 pushings (left) and movable, end (right side) also connects built-in voltage wire 2-3, its nose mouth is hidden in the aluminum pipe, aluminium alloy obturator 4-2 in the aluminum pipe end is cast with interior spiral shell bandit, its precession screw thread with the B1 end is coincide be connected, and guarantee that nose mouth copper rod 4-1 and recessed port copper rod 3-1 have good electrical connection.
Make parts and the whole selection standard spares of material and GB material that the utility model adopts, take best fit as standard, be not elaborated at this between the parts.

Claims (4)

1. the split type high-altitude of binary channel testing clamp, it is characterized in that: described high-altitude testing clamp is split modular structure, overhead jointing clamp (1-1) is A in order, B, C, C1 and 3 external insulation aluminium bars (1-2) constitute, in the upper end of overhead jointing clamp (1-1) a bayonet type jointing clamp is housed, the electric current connecting line (1-5) of bayonet type jointing clamp, voltage connecting wire (1-6) is connected with the connection terminal that the A1 of external insulation aluminium bar (1-2) holds respectively, in external insulation aluminium bar (1-2), be respectively equipped with voltage wire (2-3) and two electric pathways of current lead (2-2), the voltage wiring terminal (1-3) by external insulation aluminium bar (1-2) C1 lower end and current wiring terminal (1-4) are with output voltage, electric current is transported to measuring equipment.
2. the split type high-altitude of binary channel according to claim 1 testing clamp, it is characterized in that: described external insulation aluminium bar (1-2) is hollow aluminum pipe, be provided with insulation course (2-1) in the aluminum pipe outside, there is a built-in voltage wire (2-3) aluminum pipe inside and joins with voltage connecting wire (1-6), and hold concurrently current lead (2-2) and electric current connecting line (1-5) of aluminum pipe outer wall joins.
3. the split type high-altitude of binary channel according to claim 1 testing clamp, it is characterized in that: the recessed port copper rod (3-1) in the described voltage wire (2-3) is by primary insulation nylon (3-3) and outer aluminium alloy obturator (3-2) cast solid, the left end of recessed port copper rod (3-1) connects built-in voltage wire (2-3), the end of exposing at aluminium alloy obturator (3-2) is provided with the precession screw thread.
4. the split type high-altitude of binary channel according to claim 1 testing clamp, it is characterized in that: the nose mouth copper rod (4-1) in the described voltage wire (2-3) is by primary insulation nylon (3-3) and relative being integral of outer aluminium alloy obturator (4-2), nose mouth copper rod (4-a 1) end is provided with energy-stored spring (4-3) and is urged, the end connects built-in voltage wire (2-3), and the aluminium alloy obturator (4-2) in the aluminum pipe end is cast with interior spiral shell bandit.
CN 201220426176 2012-08-26 2012-08-26 Binary channel split type high-altitude testing clamp Expired - Fee Related CN202854234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220426176 CN202854234U (en) 2012-08-26 2012-08-26 Binary channel split type high-altitude testing clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220426176 CN202854234U (en) 2012-08-26 2012-08-26 Binary channel split type high-altitude testing clamp

Publications (1)

Publication Number Publication Date
CN202854234U true CN202854234U (en) 2013-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699713A (en) * 2016-04-05 2016-06-22 国网河北省电力公司衡水供电分公司 Multifunctional telescopic high-altitude electric testing clamp and application method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699713A (en) * 2016-04-05 2016-06-22 国网河北省电力公司衡水供电分公司 Multifunctional telescopic high-altitude electric testing clamp and application method thereof

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20131127

Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Patentee after: State Grid Corporation of China

Patentee after: State Grid Hebei Electric Power Company

Patentee after: Baoding Power Supply Branch Company, State Grid Hebei Electric Power Company

Address before: 071051 No. 138 sunny north street, new urban district, Hebei, Baoding

Patentee before: Baoding Power Supply Company

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20130826