CN106771415A - A kind of clip row's wiring experiment contact pin of circuit-breaker testing - Google Patents
A kind of clip row's wiring experiment contact pin of circuit-breaker testing Download PDFInfo
- Publication number
- CN106771415A CN106771415A CN201710188006.XA CN201710188006A CN106771415A CN 106771415 A CN106771415 A CN 106771415A CN 201710188006 A CN201710188006 A CN 201710188006A CN 106771415 A CN106771415 A CN 106771415A
- Authority
- CN
- China
- Prior art keywords
- folder
- contact pin
- main part
- screw
- lower folder
- 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
Links
Classifications
-
- 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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
- G01R1/06722—Spring-loaded
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention relates to a kind of clip row's wiring experiment contact pin of circuit-breaker testing, including:Upper and lower clamp, installation main part, mounting screw, extension spring, probe, fixing axle, test wire, can be directly anchored in terminal block, the terminal block for continuous specification size can also be made it by the opening and closing degree of folder and lower folder in adjustment, in addition, clip row's wiring experiment contact pin uses the probe of spring, needle design is plum blossom-shaped, can make contact pin for the terminal of different depth jack, and contact even closer;Pin end directly leads out test connection and is connected on tester, and without separately connecing other test wires, when experiment is actually carried out, use experiment contact pin of the invention, only need to be clipped in experiment contact pin on corresponding terminal by testing crew, and contact pin can be with termination contact closely, now, the testing crew moment is no longer needed to pin contact pin, testing crew can go to carry out other work.The application of the contact pin, personnel and workload needed for greatly reducing experiment.
Description
Technical field
Need to be used in the experiment of convergence control cabinet terminal row wiring the present invention relates to carry out breaker operating characteristic experiment etc.
Contact pin equipment, belong to electric power testing equipment field, clip row's wiring experiment contact pin of specially a kind of circuit-breaker testing.
Background technology
Carry out experiment of the needs such as breaker operating characteristic experiment in convergence control cabinet terminal row wiring in current conversion station (transformer station)
In, current existing method is connected on test wire (8) with general contact pin, then with hand by contact pin by needing in terminal block to insert
The terminal for connecing.And conventional contact pin can not be directly anchored in terminal block, it is necessary to people pins contact pin with hand always, to prevent contact pin
Come off and bad with termination contact, as shown in Figure 9.Used experiment contact pin can not be directly anchored in terminal block, it is necessary to people uses
Hand pins contact pin always, to prevent contact pin from coming off and bad with termination contact.Field test generally requires the terminal of grafting four
More than individual, two people are at least needed while removing inserting terminal so that the testing crew of needs is more.And currently without a kind of good
The scheme for solving this problem occurs.
The content of the invention
For above-mentioned the deficiencies in the prior art and the problem for solving is needed, a kind of open circuit of applicant's R & D design
Clip row's wiring experiment contact pin of device experiment, can effectively be fixed in terminal or terminal block, without manually maintaining it to insert
Enter state, and the plug wire work that experiment is checked can be completed by an only people, reduce artificial manpower, improve experiment work and imitate
Rate;
What the present invention was realized in:A kind of clip row's wiring experiment contact pin of circuit-breaker testing, including:Upper folder (1),
Lower folder (2), installation main part (3), mounting screw (4), extension spring (5), probe (6), fixing axle (7), test wire (8), wherein:Upper folder
(1) it is distributed with axial symmetry with lower folder (2), the end head of upper folder (1) and lower folder (2) has the pinching end (9) towards inner bending, upper folder
(1) and the middle part of lower folder (2) has the supporting part (10) that extends inwardly, distinguish on the supporting part (10) of upper folder (1) and lower folder (2)
It is each attached to install on main part (3) by fixing axle (7), the tail end of upper folder (1) and lower folder (2) is press section (11), installs master
Part (3) is connected to folder (1) and lower folder (2) by mounting screw (4) and extension spring (5) respectively, and upper folder (1) and lower folder (2) are respectively
Can be rotated relative to main part (3) is installed for fulcrum shaft with fixing axle (7), the extension spring (5) of upper folder (1) and lower folder (2) connection is tensed
Upper folder (1) and lower folder (2) are close to install the both sides of main part (3), and the end head that probe (6) is inserted vertically into installation main part (3) is placed in
Between upper folder (1) and the pinching end (9) of lower folder (2), test wire (8) is connected to probe (6) through main part (3) bottom is installed.
Further, the middle part for installing main part (3) is that symmetrical both sides offer screw hole (12) respectively with its center line, peace
The bottom of dress main part (3) is that symmetrical both sides offer axle fixing hole (13), upper folder (1) and lower folder (2) respectively with its center line
Supporting part (10) on offer screw mounting hole position (14) and axle mounting hole site (15), after installation, axle mounting hole site respectively
(15) aligned overlap with axle fixing hole (13), screw hole (12) and screw mounting hole position (14) non-overlapping copies.
Further, four mounting screws (4) are one group by two mounting screws (4) of place the same side, extension spring (5) two
The mounting screw (4) at end be respectively mounted be fixed on install main part (3) screw hole (12) on and upper folder (1) or lower folder (2) spiral shell
On nail mounting hole site (14), every group of two mounting screws (4) are respectively fixedly connected with the two ends of extension spring (5), screw hole (12) with
The distance between screw mounting hole position (14) is each passed through folder not less than the length under extension spring (5) normality, two fixing axles (7)
(1) the axle mounting hole site (15) or on lower folder (2) is fixed on the axle fixing hole (13) for installing main part (3).
Further, the probe (6) includes syringe needle (16) and needle tube body (17), and syringe needle (16) bottom is solid by being connected with
It is placed in needle tube body (17) due to the internal spring of needle tube body (17), syringe needle (16) is plum blossom-shaped structure.
Further, in violin shape, the upper folder (1) and lower folder (2) are in symmetrical ear to the main part (3) of installing
Shape.
Further, outer surface is provided with by indentation on the press section (11) at the tail end of the upper folder (1) and lower folder (2)
Groove (18).
Further, the probe (6) is PH spring probes, and the mounting screw (4) is hexagon socket countersunk flat cap head screw.
Operation principle introduction of the invention:Upper folder (1) and lower folder (2) are fixed in installation main part (3) by extension spring (5),
A clip functions are formed, probe (6) is placed in installation main part (3) end head at middle part, when using, is pressed respectively with forefinger and thumb
The press section (11) on (1) and lower folder (2) is pressed from both sides in pressure, upper folder (1) and lower folder (2) are respectively fulcrum shaft tilting with fixing axle (7),
Pinching end (9) is opened, and pinching end (9) is stretched above terminal, and probe (6) is inserted in terminal hole to be tested, is then decontroled
Press section (11) press, and upper folder (1) and lower folder (2) be clamped on terminal device under the return pulling force of respective extension spring (5),
Formed and fixed, so as to take probe (6) without manually continuing hand, reach the purpose for saving artificial manpower;
Axle mounting hole site (15) and axle fixing hole (13) by fixing axle (7) such that upper folder (1) and lower folder (2) are fixed on peace
Fill on main part (3), and closure and the unlatching of pinching end (9), screw hole (12) with fixing axle (7) as axis of rotation, can be formed
It is for installing mounting screw (4), installing mounting screw (4) and upper folder on main part (3) with screw mounting hole position (14)
(1) connected by extension spring (5) and the mounting screw (4) of lower folder (2) between so that upper folder (1) and lower folder (2) are while be subject to extension spring
(5) pulling force effect keeps clamped condition;
Syringe needle (16) with spring can stretch in needle tube body (17), on the one hand enable to syringe needle (16) to be adapted to length
The different terminal jacks of short depth, reach the purpose of the length that probe (6) is automatically adjusted according to terminal depth, are on the other hand bullets
Spring has tension force under compact state, and tension force can tightly push pin head (16) so that the even closer contact of syringe needle (16) is in terminal
In hole position, it is ensured that the contact of process of the test is well stablized;
The pressing that the design of pressing groove (18) meets people's hand finger refers to face so that pressing stress is accurate, is difficult during pressing
Skid, more accurately, it is easy to exert a force.
Compared with traditional row's wiring experiment contact pin, clip row wiring experiment contact pin of the invention uses clip structure, energy
Enough it is directly anchored in terminal block, can also be made it for constantly rule by pressing from both sides the opening and closing degree of (1) and lower folder (2) in adjustment
In the terminal block of lattice size, in addition, clip row's wiring experiment contact pin uses the probe (6) of spring, syringe needle (16) to be designed as
Plum blossom-shaped, can make contact pin for the terminal of different depth jack, and contact even closer;Pin end directly leads out experiment
Wiring is connected on tester, and without separately connecing other test wires (8), when experiment is actually carried out, uses experiment of the invention
Only need to be clipped in experiment contact pin on corresponding terminal by contact pin, testing crew, and contact pin can be with termination contact closely, now, no longer
The testing crew moment is needed to pin contact pin, testing crew can go to carry out other work.The application of the contact pin, greatly reduces examination
Personnel and workload needed for testing.
Brief description of the drawings
Fig. 1 is the structural front view of upper folder (1) or lower folder (2);
Fig. 2 is the structural perspective of upper folder (1) or lower folder (2);
Fig. 3 is the structural front view of installation main part (3);
Fig. 4 is the structural perspective of installation main part (3);
Fig. 5 is a kind of combination scheme of installation of clip row's wiring experiment contact pin of circuit-breaker testing;
Fig. 6 be a kind of circuit-breaker testing clip row wiring experiment contact pin combination after schematic diagram;
Fig. 7 is a kind of dimensional structure diagram of clip row's wiring experiment contact pin of circuit-breaker testing;
Fig. 8 is a kind of use state of clip row's wiring experiment contact pin of circuit-breaker testing with reference to figure;
Fig. 9 is with reference to figure in traditional circuit-breaker testing using the use state of experiment contact pin;
Wherein:1-upper folder, 2-lower folder, 3-install main part, 4-mounting screw, 5-extension spring, 6-probe, 7-it is fixed
Axle, 8-test wire, 9-pinching end, 10-supporting part, 11-press section, 12-screw hole, 13-axle fixing hole, 14-screw
Mounting hole site, 15-axle mounting hole site, 16-syringe needle, 17-needle tube body, 18-pressing groove.
Specific embodiment
Fig. 1~Fig. 8, is further described a kind of clip row's wiring experiment contact pin of this circuit-breaker testing below in conjunction with the accompanying drawings
Application method;
Embodiment:A kind of clip row's wiring experiment contact pin of circuit-breaker testing, including:Upper folder 1, lower folder 2, installation main part
3rd, mounting screw 4, extension spring 5, probe 6, fixing axle 7, test wire 8,
Wherein:Upper folder 1 and lower folder 2 are distributed with axial symmetry, and the end head of upper folder 1 and lower folder 2 has the clamping towards inner bending
The middle part of end 9, upper folder 1 and lower folder 2 has the supporting part 10 that extends inwardly, passes through respectively on the supporting part 10 of upper folder 1 and lower folder 2
Fixing axle 7 is each attached to install on main part 3, and the tail end of upper folder 1 and lower folder 2 is press section 11, installs main part 3 respectively by installing
Screw 4 and extension spring 5 be connected to folder 1 and it is lower folder 2, it is upper folder 1 and it is lower folder 2 respectively can with fixing axle 7 be fulcrum shaft relative to installation
Main part 3 is rotated, and the extension spring 5 of upper folder 1 and the lower connection of folder 2 tenses folder 1 and lower folder 2 is close to install the both sides of main part 3, and probe 6 is erected
The end head that straight cutting enters to install main part 3 is placed between the pinching end 9 of folder 1 and lower folder 2, and test wire 8 is passed through installs the bottom of main part 3
It is connected to probe 6.Upper folder 1 and lower folder 2 are fixed on installation main part 3 by extension spring 5, form a clip functions, and probe 6 is placed in
The end head of installation main part 3 at middle part, when using, the press section 11 on upper folder 1 and lower folder 2 is pressed with forefinger and thumb respectively, on
, respectively with fixing axle 7 for fulcrum shaft is tilted, pinching end 9 opens, pinching end 9 is stretched above terminal, by probe 6 for folder 1 and lower folder 2
In insertion terminal hole to be tested, pressing for press section 11 is then decontroled, upper folder 1 and lower folder 2 draw in the return of respective extension spring 5
It is clamped on terminal device under power, is formed and fixed, so as to take probe 6 without manually continuing hand, reaches the mesh for saving artificial manpower
's;
It is that symmetrical both sides offer screw hole 12 respectively that the middle part of main part 3 is installed with its center line, installs the bottom of main part 3
Portion is that symmetrical both sides offer axle fixing hole 13 respectively with its center line, is offered respectively on the supporting part 10 of upper folder 1 and lower folder 2
Screw mounting hole position 14 and axle mounting hole site 15, after installation, axle mounting hole site 15 and axle fixing hole 13 align overlap, screw hole
12 with screw mounting hole position 14 non-overlapping copies.Four mounting screws 4 are one group by two mounting screws 4 of place the same side, are drawn
The mounting screw 4 at the two ends of spring 5 is respectively mounted and is fixed on the screw hole 12 for installing main part 3 and the upper screw installation for pressing from both sides 1 or lower folder 2
In hole position 14, every group of two mounting screws 4 are respectively fixedly connected with the two ends of extension spring 5, screw hole 12 and screw mounting hole position 14
The distance between not less than the length under the normality of extension spring 5, two fixing axles 7 are each passed through the axle mounting hole on the folder of folder 1 or lower 2
Position 15 is fixed on the axle fixing hole 13 for installing main part 3.Axle mounting hole site 15 and axle fixing hole 13 cause upper folder by fixing axle 7
1 and it is lower folder 2 be fixed on installation main part 3 on, and can with fixing axle 7 as axis of rotation, formed pinching end 9 closure and unlatching,
Screw hole 12 and screw mounting hole position 14 are for installing mounting screw 4, installing mounting screw 4 and upper folder 1 on main part 3
Connected by extension spring 5 and the mounting screw 4 of lower folder 2 between so that above folder 1 and lower folder 2 are subject to the pulling force effects of extension spring 5 to protect simultaneously
Hold clamped condition;
The probe 6 includes syringe needle 16 and needle tube body 17, and the bottom of syringe needle 16 is fixed on inside needle tube body 17 by being connected with
Spring be placed in needle tube body 17, syringe needle 16 be plum blossom-shaped structure.Syringe needle 16 with spring can stretch in needle tube body 17,
On the one hand enable to syringe needle 16 to be adapted to the different terminal jacks of length depth, reach and probe 6 is automatically adjusted according to terminal depth
Length purpose, be on the other hand that spring has tension force under compact state, tension force can tightly push pin first 16 so that syringe needle 16
Even closer contact is in terminal hole position, it is ensured that the contact of process of the test is well stablized;The installation main part 3 is in violin shape,
The upper folder 1 and lower folder 2 are in symmetrical shape of ears.Outer surface on press section 11 at the tail end of the upper folder 1 and lower folder 2
It is provided with pressing groove 18.The probe 6 is PH spring probes, and the mounting screw 4 is hexagon socket countersunk flat cap head screw.Pressing groove 18
Design meet the pressing of people's hand finger and refer to face so that pressing stress is accurate, is difficult to skid during pressing, more accurately, it is easy to apply
Power.
Claims (7)
1. contact pin is tested in clip row's wiring of a kind of circuit-breaker testing, it is characterised in that including:Upper folder (1), lower folder (2), peace
Dress main part (3), mounting screw (4), extension spring (5), probe (6), fixing axle (7), test wire (8),
Wherein:Upper folder (1) and lower folder (2) are distributed with axial symmetry, and the end head of upper folder (1) and lower folder (2) has towards inner bending
The middle part of pinching end (9), upper folder (1) and lower folder (2) has the branch of the supporting part (10) for extending inwardly, upper folder (1) and lower folder (2)
It is each attached in installation main part (3) by fixing axle (7) respectively on support part (10), the tail end of upper folder (1) and lower folder (2) is pressing
Portion (11), installs main part (3) and is connected to folder (1) and lower folder (2), upper folder (1) by mounting screw (4) and extension spring (5) respectively
Can be rotated relative to main part (3) is installed for fulcrum shaft with fixing axle (7) respectively with lower folder (2), upper folder (1) and lower folder (2) are connected
Extension spring (5) tension on folder (1) and lower folder (2) be close to install main part (3) both sides, probe (6) be inserted vertically into installs main part (3)
End head be placed between folder (1) and the pinching end (9) of lower folder (2), test wire (8) through install main part (3) bottom connection
To probe (6).
2. contact pin is tested in clip row wiring according to claim 1, it is characterised in that install the middle part of main part (3) with it
Center line is that symmetrical both sides offer screw hole (12) respectively, and the bottom for installing main part (3) is symmetrical both sides with its center line
Offer axle fixing hole (13) respectively, offer screw mounting hole position on the supporting part (10) of upper folder (1) and lower folder (2) respectively
(14) and axle mounting hole site (15), after installation, axle mounting hole site (15) and axle fixing hole (13) align overlap, screw hole (12)
With screw mounting hole position (14) non-overlapping copies.
3. contact pin is tested in clip row wiring according to claim 2, it is characterised in that four mounting screws (4) are by place
Two mounting screws (4) of the same side are one group, and the mounting screw (4) at extension spring (5) two ends is respectively mounted and is fixed on installation main part
(3) on screw hole (12) and on screw mounting hole position (14) of upper folder (1) or lower folder (2), every group of two mounting screws (4)
The two ends of extension spring (5) are respectively fixedly connected with, the distance between screw hole (12) and screw mounting hole position (14) are not less than extension spring (5)
Length under normality, the axle mounting hole site (15) that two fixing axles (7) are each passed through on folder (1) or lower folder (2) is fixed on peace
On the axle fixing hole (13) of dress main part (3).
4. contact pin is tested in the clip row's wiring according to claim 1,2 or 3, it is characterised in that the probe (6) is including pin
Head (16) and needle tube body (17), the spring that syringe needle (16) bottom is fixed on needle tube body (17) inside by being connected with are placed in needle tube body
(17) in, syringe needle (16) is plum blossom-shaped structure.
5. contact pin is tested in clip row wiring according to claim 4, it is characterised in that the installation main part (3) is in violin
Shape, the upper folder (1) and lower folder (2) are in symmetrical shape of ears.
6. clip according to claim 5 row wiring experiment contact pin, it is characterised in that the upper folder (1) and lower folder (2)
Outer surface is provided with pressing groove (18) on press section (11) at tail end.
7. contact pin is tested in clip row wiring according to claim 6, it is characterised in that the probe (6) is that PH springs are visited
Pin, the mounting screw (4) is hexagon socket countersunk flat cap head screw.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720159530X | 2017-02-22 | ||
CN201720159530 | 2017-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106771415A true CN106771415A (en) | 2017-05-31 |
Family
ID=58967472
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720303421.0U Active CN206832859U (en) | 2017-02-22 | 2017-03-27 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
CN201710188006.XA Pending CN106771415A (en) | 2017-02-22 | 2017-03-27 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720303421.0U Active CN206832859U (en) | 2017-02-22 | 2017-03-27 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN206832859U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109596868A (en) * | 2019-01-25 | 2019-04-09 | 广东电网有限责任公司 | Folder is auxiliarily fixed in a kind of test splice |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206832859U (en) * | 2017-02-22 | 2018-01-02 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
CN113889809A (en) * | 2021-10-25 | 2022-01-04 | 广西电网有限责任公司柳州供电局 | Crocodile clip and test wire clip with same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010078357A (en) * | 2008-09-24 | 2010-04-08 | Yazaki Corp | Terminal test apparatus |
CN203535077U (en) * | 2013-10-28 | 2014-04-09 | 国家电网公司 | Breaker terminal wire clamp |
CN104269670A (en) * | 2014-10-29 | 2015-01-07 | 国家电网公司 | Special jointing clamp for inserting hole type terminal strip test wire |
CN204651504U (en) * | 2015-05-03 | 2015-09-16 | 国网山东省电力公司潍坊供电公司 | Can the electrical power wiring device of fast-wiring |
CN205723972U (en) * | 2016-04-27 | 2016-11-23 | 天津送变电工程公司 | A kind of DC terminal row's test wire fixation clamp |
CN206832859U (en) * | 2017-02-22 | 2018-01-02 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
-
2017
- 2017-03-27 CN CN201720303421.0U patent/CN206832859U/en active Active
- 2017-03-27 CN CN201710188006.XA patent/CN106771415A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010078357A (en) * | 2008-09-24 | 2010-04-08 | Yazaki Corp | Terminal test apparatus |
CN203535077U (en) * | 2013-10-28 | 2014-04-09 | 国家电网公司 | Breaker terminal wire clamp |
CN104269670A (en) * | 2014-10-29 | 2015-01-07 | 国家电网公司 | Special jointing clamp for inserting hole type terminal strip test wire |
CN204651504U (en) * | 2015-05-03 | 2015-09-16 | 国网山东省电力公司潍坊供电公司 | Can the electrical power wiring device of fast-wiring |
CN205723972U (en) * | 2016-04-27 | 2016-11-23 | 天津送变电工程公司 | A kind of DC terminal row's test wire fixation clamp |
CN206832859U (en) * | 2017-02-22 | 2018-01-02 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of clip row's wiring experiment contact pin of circuit-breaker testing |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109596868A (en) * | 2019-01-25 | 2019-04-09 | 广东电网有限责任公司 | Folder is auxiliarily fixed in a kind of test splice |
CN109596868B (en) * | 2019-01-25 | 2024-01-23 | 广东电网有限责任公司 | Auxiliary fixing clamp for test connector |
Also Published As
Publication number | Publication date |
---|---|
CN206832859U (en) | 2018-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206832859U (en) | A kind of clip row's wiring experiment contact pin of circuit-breaker testing | |
CN104948839A (en) | Cable holding device | |
CN202384627U (en) | Multifunctional network cable tongs | |
CN109030188A (en) | A kind of suspension clamp strength test fixture and test method | |
CN208847375U (en) | A kind of Medium voltage switch or circuit breaker moving contact dynamometry clamping device | |
CN104931342A (en) | Multifunctional high-temperature stretching clamp | |
CN202330159U (en) | Tensile test clamp for quenching state powder metallurgy parts | |
CN107819227A (en) | A kind of termination suitable for relay protection test | |
CN205643411U (en) | Be used for cable polarization / depolarization measuring clamping device | |
CN210401469U (en) | Multi-channel test clip | |
CN108226580A (en) | Circuit-breaker testing wire clamp | |
CN209624642U (en) | A kind of jockey | |
CN204241514U (en) | A kind of LED mercerising source test fixture | |
CN203479610U (en) | Clamping structure of tension test | |
CN206038726U (en) | Formula current test fastener is pressed from both sides outward in interpolation | |
CN208076620U (en) | A kind of transformer is by the resistance testing device between army cap and conductor rod | |
CN208476658U (en) | A kind of cable stretch bend test fixes device with end | |
CN208986516U (en) | One kind is throughout electric line cable fast connecting card | |
CN211203691U (en) | Hard wire filament lamp production host | |
CN208568848U (en) | A kind of relay protection automatic test instrument adapter cable connecting control cable | |
CN209014369U (en) | Elastomer fatigue tester | |
CN205488978U (en) | Push in device | |
CN206834602U (en) | A kind of cable strain clamp | |
CN205384298U (en) | Many high specification press experimental junction pole | |
CN207281232U (en) | A kind of plug-in type cable test tool work-saving device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |