CN203950022U - Isolating switch checking table fixture - Google Patents
Isolating switch checking table fixture Download PDFInfo
- Publication number
- CN203950022U CN203950022U CN201420300298.3U CN201420300298U CN203950022U CN 203950022 U CN203950022 U CN 203950022U CN 201420300298 U CN201420300298 U CN 201420300298U CN 203950022 U CN203950022 U CN 203950022U
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- chuck
- group
- groups
- isolating switch
- copper sheet
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Abstract
Isolating switch checking table fixture, comprise fixture mount, chuck copper sheet and testing power supply, described fixture mount is provided with and clamps respectively two groups of chuck groups of being arranged bus by verification isolating switch two, every group of chuck group comprises two row folding head copper sheet groups of the realization clamping of working in coordination, every row folding head copper sheet group comprise at least five with the chuck copper sheet of the corresponding setting of each chuck copper sheet in another row folding head copper sheet group of chuck group on the same group, be separately positioned on the corresponding chuck unit of a pair of chuck copper sheet composition arranging in two row folding head copper sheet groups.The purpose of this utility model is to provide the isolating switch checking table that a kind of verification efficiency is fast, automaticity is high fixture.
Description
Technical field
The utility model relates to electrical equipment verification field, particularly relates to a kind of isolating switch checking table fixture.
Background technology
Isolating switch is in the market because kind model specification is many, volume weight, make needs the different model according to isolating switch before each verification isolating switch, phase distance between centers of tracks between every phase fixture is adjusted, increased by one preparatory process in checking procedure, reduced verification efficiency.In addition, what in industry, adopt is all traditional single-phase verification modes, be all at every turn artificial by a phase shift of product in fixture, by clamp, carry out verification, complete after verification, fixture is unclamped, moved on to mutually under fixture by other one of moved by hand product again, by clamp, carry out verification, the major defect that such verification mode exists adopts artificial commutation while being commutation, speed is slower, and the efficiency of production is poor, and product quality consistance is low.
Utility model content
The purpose of this utility model is to overcome the defect of above-mentioned prior art, and the isolating switch checking table that a kind of verification efficiency is fast, automaticity is high fixture is provided.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of isolating switch checking table fixture, comprise fixture mount 101, chuck copper sheet and testing power supply 3, described fixture mount 101 is provided with two groups of chuck groups that clamp respectively by 6 liang of row's buses of verification isolating switch, every group of chuck group 2010 comprises two row folding head copper sheet groups of the realization clamping of working in coordination, every row folding head copper sheet group 201 comprise at least five with the chuck copper sheet 200a of the corresponding setting of each chuck copper sheet 200b in another row folding head copper sheet group 202 of chuck group 2010 on the same group, be separately positioned on the corresponding chuck unit of a pair of chuck copper sheet composition arranging in two row folding head copper sheet groups.
Further, two row's buses of described isolating switch 6 are clamped by the chuck unit of at least three arbitrary neighborhoods in two groups of chuck groups respectively, or two row's buses of described isolating switch 6 are clamped by least three any non-conterminous chuck unit in two groups of chuck groups respectively.
Further, each terminals of each phase bus 611 of described isolating switch 6 are clamped by least 2 adjacent chuck unit in every group of chuck group 2010.
Further, at least one row folding head copper sheet group of described two groups of chuck groups is connected with two installing plates that can move up and down respectively, on described installing plate, be provided with can drive installation plate motion realize the front end cylinder of the two row bus holdings of two groups of chuck groups to isolating switch 6.
Further, in described two groups of chuck groups, each chuck copper sheet of every row folding head copper sheet group is equidistantly arranged.
Further, every group of described chuck group 2010 comprises 22 pairs of chuck copper sheets of corresponding setting.
Further, the chuck unit in one group of chuck group 2010 in two groups of described chuck groups is connected with one end of testing power supply 3 respectively, and the chuck unit in another group chuck group 2020 is connected with the other end of testing power supply 3 respectively; A pair of chuck unit corresponding in two groups of chuck groups forms a chuck unit group, and in each chuck unit group, at least one chuck unit and testing power supply 3 junctions also arrange on-off system 5.
Further, on-off system 5 comprises the static connection end 501 of the wire end setting of being drawn by chuck unit, is arranged on the end 502 that is dynamically connected being connected on rear end cylinder 503 and with testing power supply 3, and the control end of described rear end cylinder 503 is connected with PLC.
Further, described on-off system 5 comprises the supply terminals of being drawn by testing power supply 3 and the chuck terminals of being drawn by chuck unit, between described supply terminals and chuck terminals, is connected by the electric-controlled switch of being controlled by PLC.
Further, in described two groups of chuck groups, any one group of chuck group is provided with the height cylinder of distance between two groups of chuck groups of capable of regulating.
The utility model is by arranging the multipair chuck group being made up of the chuck copper sheet of relatively installing, realize the phase distance between centers of tracks that can adapt to all size isolating switch without the distance between adjustment fixture unit, strengthen the versatility of cramp for verifying and checking, reduce the preparatory process of verification, improved verification efficiency.In addition, can be by the on-off system of PLC programming Control by what install between chuck group and testing power supply, the automatic commutation while realizing test between fixture, has improved the automaticity of cramp for verifying and checking and the verification speed of isolating switch.
Brief description of the drawings
Fig. 1 is the Facad structure figure of isolating switch checking table fixture of the present utility model;
Fig. 2 is checking table that verification product is installed along the A-A of Fig. 1 to sectional view;
Fig. 3 is the structural representation that rear end cylinder, chuck group and testing power supply connect;
Fig. 4 is fixture operating circuit schematic diagram of the present utility model;
Fig. 5 is the embodiment of a kind of isolating switch of the utility model clamping verification;
Fig. 6 is the embodiment of the another kind of isolating switch of the utility model clamping verification;
Fig. 7 is the embodiment of another isolating switch of the utility model clamping verification.
Embodiment
Isolating switch checking table fixture of the present utility model comprises fixture mount 101, chuck copper sheet and testing power supply 3, described fixture mount 101 is provided with two groups of chuck groups that clamp respectively by 6 liang of row's buses of verification isolating switch, every group of chuck group comprise working in coordination and realize two row folding head copper sheet groups of clamping, every row folding head copper sheet group comprise at least five with the chuck copper sheet of the corresponding setting of each chuck copper sheet in another row folding head copper sheet group of chuck group on the same group.Be separately positioned on the corresponding chuck unit of a pair of chuck copper sheet composition arranging in two row folding head copper sheet groups, a pair of chuck unit corresponding in two groups of chuck groups forms a chuck unit group, and each chuck unit group of two groups of chuck groups is connected with testing power supply 3 by mode in parallel.In each chuck unit group, at least one chuck unit and testing power supply 3 junctions are also provided with the on-off system 5 that can control by PLC, and described on-off system 5 is used in the process of verification isolating switch and realizes automatic commutation function.
A specific embodiment of isolating switch checking table fixture of the present utility model as shown in Figure 1, fixture mount 101 is fixed on experiment table 1 guidance panel.Inlet wire chuck group 2010 and the outlet chuck group 2020 of two row's buses of the isolating switch 6 for clamping three-phase are installed in described fixture mount 101 side by side.
Two row's buses of isolating switch 6 are respectively inlet wire bus 611 and outlet bus 612, and inlet wire bus 611 comprises three terminals, is respectively A phase inlet wire 611a, B phase inlet wire 611b and C phase inlet wire 611c; Outlet bus 612 comprises three terminals, is respectively A phase outlet 612a, B phase outlet 612b and C phase outlet 612c; Corresponding homophase terminals form a phase bus of isolating switch, as the A phase bus of A phase inlet wire 611a and A phase outlet 612a formation isolating switch.Distance between the isolating switch two-phase bus of different size is different, and the size of the each terminals of isolating switch of different size is also different, and the difference in height that different isolating switchs two are arranged between bus is also different.
Inlet wire chuck group 2010 and outlet chuck group 2020 comprise respectively two row folding head copper sheet groups, two row folding head copper sheet groups of inlet wire chuck group 2010 are inlet wire upper grip copper sheet group 201 and inlet wire lower chuck copper sheet group 202, in inlet wire upper grip copper sheet group 201 and inlet wire lower chuck copper sheet group 202, each correspondence is provided with 22 chuck copper sheets respectively, is separately positioned on the corresponding chuck unit of a pair of chuck copper sheet composition arranging in two row folding head copper sheet groups; The structure of outlet chuck group 2020 is identical with inlet wire chuck group 2010, and two row folding head copper sheet groups of outlet chuck group 2020 are outlet upper grip copper sheet group 211 and outlet lower chuck copper sheet group 212.22 chuck unit of inlet wire chuck group 2010 and outlet chuck group 2020 are arranged by the mode of numbering 01 to 22 shown in Fig. 1.A corresponding chuck unit group of a pair of chuck unit composition in inlet wire chuck group 2010 and outlet chuck group 2020, is numbered chuck unit group of chuck cell formation of 01 as being numbered in inlet wire chuck group 2010 in 01 chuck unit and outlet chuck group 2020.Chuck copper sheet of the present utility model is only title, and non-limiting must being made of copper, and can be also other conducting metal.
The equidistant dense arrangement of each chuck copper sheet of every row folding head copper sheet group in inlet wire chuck group 2010 and outlet chuck group 2020.Described inlet wire upper grip copper sheet group 201 is connected with two installing plates that can move up and down respectively with outlet upper grip copper sheet group 211, and relatively, inlet wire lower chuck copper sheet group 202 and 212 of outlet lower chuck copper sheet groups are arranged on fixing erecting frame.Inlet wire upper grip copper sheet group 201 is connected with the first installing plate 102a, the first described installing plate 102a both sides are respectively provided with front end cylinder 103 on, and described upper front end cylinder 103 can drive the first installing plate 102a to move and drive the inlet wire bus 611 of inlet wire upper grip copper sheet group 201 disposable clamping isolating switchs 6.Similarly, outlet upper grip copper sheet group 211 is connected with the second installing plate 102b, the second described installing plate 102b both sides are respectively provided with a lower front end cylinder 104, and described lower front end cylinder 104 can drive the second installing plate 102b to move and drive the outlet bus 612 of outlet upper grip copper sheet group 211 disposable clamping isolating switchs 6.Easily expect, in inlet wire chuck group 2010 and outlet chuck group 2020, any row or two row folding head copper sheet groups all can be separately fixed on the installing plate that can move up and down, and realize the clamping to isolating switch 6 buses by front end air cylinder driven.Certainly, installing plate also can adopt the alternate manner outside cylinder to drive.In inlet wire chuck group 2010 or outlet chuck group 2020, be also provided with height cylinder, can adjust the height between inlet wire chuck group 2010 and outlet chuck group 2020 is arranged bus difference in height to adapt to different size isolating switch two.
The isolating switch checking table fixture of this enforcement can meet the verification demand of different size circuit breaker, in the time that the distance between the isolating switch two-phase bus of different size is different, without the adjustment of carrying out spacing jig, can meet the online instant verification of flexible assemble production line.Meanwhile, heterogeneous bus that can disposable clamping verification product by front end air cylinder driven installing plate, simplifies workflow, has improved work efficiency.In the time that different isolating switchs two are arranged the difference in height difference between bus, can adjust the vertical range between inlet wire chuck group 2010 and outlet chuck group 2020 by height cylinder, certainly can also adopt other schemes such as manual setting.As shown in fig. 1, two row's buses of isolating switch 6 are clamped by inlet wire chuck group 2010 and outlet chuck group 2020 respectively, and A phase inlet wire 611a, B phase inlet wire 611b and the C phase inlet wire 611c of 6 chuck unit of the numbering 01 to 06 of inlet wire chuck group 2010 to three-phase breaker clamps formation electrical connection; A phase outlet 612a, B phase outlet 612b and the C phase outlet 612c of 6 chuck unit of the numbering 01 to 06 of outlet chuck group 2020 to three-phase breaker clamps formation electrical connection, and A phase inlet wire 611a is clamped by two chuck unit that are numbered 05-06 simultaneously.
In the time that the distance between isolating switch two-phase bus is different, without the adjustment of carrying out spacing jig.Concrete example as shown in Figures 5 to 7.
Two row's buses of isolating switch 6 are gripped by the chuck unit of at least three arbitrary neighborhoods in two groups of chuck groups respectively.The utility model clamps a kind of embodiment of isolating switch 6 as shown in Figure 5, isolating switch 6 by verification is three-phase breaker, and the three-phase inlet wire bus 611 of isolating switch 6 and three-phase outlet bus 612 are numbered respectively 3 adjacent chuck unit of 01,02 and 03 and grip in inlet wire chuck group 2010 and outlet chuck group 2020.Particularly, the A phase inlet wire 611a of the A phase bus of isolating switch 6 and A phase outlet 612a are gripped by the chuck unit group of a pair of chuck unit composition that is numbered 03, the B phase inlet wire 611b of B phase bus and B phase outlet 612b are gripped by the chuck unit group of a pair of chuck unit composition that is numbered 02, and the C phase inlet wire 611c of C phase bus and C phase outlet 612c are gripped by the chuck unit group of a pair of chuck unit composition that is numbered 01.
Two row's buses of isolating switch 6 are gripped by least three any non-conterminous chuck unit in two groups of chuck groups respectively.The utility model clamps the embodiment of another kind of isolating switch 6 as shown in Figure 6, isolating switch 6 by verification is three-phase breaker, and the three-phase inlet wire bus 611 of isolating switch 6 and three-phase outlet bus 612 are numbered respectively 3 non-conterminous chuck unit of 01,03 and 05 and grip in inlet wire chuck group 2010 and outlet chuck group 2020.Due to the distance difference between isolating switch two-phase bus, be numbered 2 chuck unit of 02 and 04 and be available.
Each terminals of each phase bus of described isolating switch 6 are gripped by least 2 adjacent chuck unit in every group of chuck group.The utility model clamps the embodiment of another isolating switch 6 as shown in Figure 7, isolating switch 6 by verification is three-phase breaker, and the three-phase inlet wire bus 611 of isolating switch 6 and three-phase outlet bus 612 are clamped by the chuck unit of inlet wire chuck group 2010 and outlet chuck group 2020 respectively.Because the distance between the isolating switch two-phase bus of different size is different, and the size of the each terminals of isolating switch of different size is also different.The A phase inlet wire 611a of the A phase bus of isolating switch 6 in inlet wire chuck group 2010, be numbered simultaneously 07 and 08 2 chuck unit grip, A phase outlet 612a in outlet chuck group 2020, be numbered 07 and 08 2 chuck unit grip.The B phase inlet wire 611b of B phase bus and B phase outlet 612b are numbered respectively 04 and 05 chuck unit and are jointly gripped in two groups of chuck groups.The C phase inlet wire 611c of C phase bus and C phase outlet 612c are numbered respectively 01 and 02 chuck unit and are jointly gripped in two groups of chuck groups.Being numbered 2 chuck unit of 03 and 06 is available.
Chuck unit in one group of chuck group in two groups of chuck groups of the utility model is connected with one end of testing power supply 3 respectively, and the chuck unit in another group chuck group is connected with the other end of testing power supply 3 respectively; A pair of chuck unit corresponding in two groups of chuck groups forms a chuck unit group, and in each chuck unit group, at least one chuck unit and testing power supply 3 junctions are also provided with the on-off system 5 that can control by PLC.Access testing power supply 3 in parallel between multiple chucks unit group of two groups of chuck groups, the junction of chuck unit and testing power supply (3) adopts the mode being flexible coupling.When when being fixed on isolating switch 6 on fixture and carrying out verification, described on-off system 5 can select to control a wherein chuck unit group or adjacent several chucks unit group and testing power supply 3 conductings of a phase bus of clamping isolating switch 6 by PLC, thereby make testing power supply 3 and an isolating switch 6 phase bus wherein form path, the electrical quantity of required verification is inputted in an isolating switch 6 phase bus wherein and tested, and complete after a phase bus test, carry out commutation test job without running circuit breaker 6 manually, can enroll to PLC by industrial computer that instruction repertorie disconnects the on-off system connected and the corresponding on-off system of closed next phase bus carries out test job, realize PLC control on-off system 5 and completed one by one commutation function automatically, strengthen the automaticity of device, and improve the work efficiency of verification.Meanwhile, the mode being flexible coupling makes chuck more flexible with being connected of testing power supply, and protection chuck damages the bending of junction after repeatedly moving, and improves equipment job stability.PLC should control 5 conductings of which on-off system, can identify fixture unit by detecting element, or by other known scheme, also can judge by artificial mode.The on-off system 5 of isolating switch checking table fixture of the present utility model also can, by its auto switching of alternate manner control, also can judge by artificial mode, and controlling by PLC is only a kind of preferred version of the present utility model.
Specific embodiment of on-off system of the present utility model as shown in Figure 2, Fig. 2 be along A-A in Fig. 1 to cross-section structure, described isolating switch 6 is placed on the table top of experiment table 1, and the inlet wire bus 611 of isolating switch 6 is clamped by 1 chuck unit of inlet wire chuck group 2010, this chuck unit is made up of inlet wire upper grip copper sheet 200a and inlet wire lower chuck copper sheet 200b; Outlet bus 612 is clamped by 1 chuck unit of outlet chuck group 2020, and this chuck unit is made up of outlet upper grip copper sheet 210a and outlet lower chuck copper sheet 210b.Described on-off system 5 comprises the supply terminals of being drawn by testing power supply 3 and the chuck terminals of being drawn by chuck unit, between described supply terminals and chuck terminals, is connected by the electric-controlled switch of being controlled by PLC.Chuck unit and chuck terminals be connected and chuck unit interconnected by flexible connecting line 4 with being connected all of testing power supply 3, flexible connecting line 4 is difficult for bending with the regular motion of chuck.Meanwhile, on-off system uses electric-controlled switch to make apparatus structure simple, easy for installation and break-make speed is fast.
Another embodiment of on-off system of the present utility model as shown in Figures 3 and 4, described on-off system 5 is to be driven by rear end cylinder 503, the on-off system 5 of the present embodiment comprises the static connection end 501 of the wire end setting of being drawn by chuck unit as shown in Figure 3, be arranged on the end 502 that is dynamically connected being connected on rear end cylinder 503 and with testing power supply 3, the described control end of rear end cylinder 503 and the output terminal of PLC are connected, thereby and by the order-driven of PLC be dynamically connected end 502 contact with static connection end 501 form be electrically connected turning circuit.Break-make performance by the on-off system of rear end air cylinder driven is more stable.On-off system circuit theory diagrams as shown in Figure 4, the on-off system 5 being driven by rear end cylinder 503 is arranged on the wherein outlet bus 612 of a phase and testing power supply 3 wherein on the branch road between a utmost point of isolating switch 6, and the relation of on-off system 5 for being connected in parallel between each phase of isolating switch 6, realizes control respectively unaffected each other.
One of them scheme of isolating switch checking table fixture checking procedure of the present utility model is as described below:
Verification rated current is the isolating switch of 2000A, and the inlet wire bus of described three-phase breaker and outlet bus are clamped by chuck simultaneously, the chuck unit group that need form with the chuck unit that is numbered 01,03,05 according to the specification of isolating switch.Need to detect A phase time, the chuck unit group that is numbered 05 chuck unit composition needs energising, and rear end cylinder corresponding in this chuck unit group closes a floodgate, other two groups of no powers; A completes after energizing test mutually; Automatically switch to B phase, C phase, the method for energising is also same.Complete the automatic commutation verification of the single-phase performance of isolating switch with this.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. an isolating switch checking table fixture, comprises fixture mount (101), chuck copper sheet (200a, 200b, 210a, 210b) and testing power supply (3), it is characterized in that:
Described fixture mount (101) is provided with and clamps respectively by verification isolating switch (6) two row's buses (611, 612) two groups of chuck groups (2010, 2020), every group of chuck group (2010) comprises two row folding head copper sheet groups (201 of the realization clamping of working in coordination, 202), every row folding head copper sheet group (201) comprise at least five with the chuck copper sheet (200a) of the corresponding setting of each chuck copper sheet (200b) in another row folding head copper sheet group (202) of chuck group (2010) on the same group, be separately positioned on two row folding head copper sheet groups (201, 202) the upper corresponding chuck unit of a pair of chuck copper sheet composition arranging.
2. isolating switch checking table fixture according to claim 1, it is characterized in that: two row's buses (611,612) of described isolating switch (6) are respectively by the clamping of the chuck unit of at least three arbitrary neighborhoods in two groups of chuck groups (2010,2020), or two row's buses (611,612) of described isolating switch (6) are respectively by least three any non-conterminous chuck unit clampings in two groups of chuck groups (2010,2020).
3. isolating switch checking table fixture according to claim 1 and 2, is characterized in that: each terminals of each phase bus (611) of described isolating switch (6) are by least 2 adjacent chuck unit clampings in every group of chuck group (2010).
4. isolating switch checking table fixture according to claim 1, it is characterized in that: at least one row folding head copper sheet group (201,211) of described two groups of chuck groups (2010,2020) respectively with two installing plate (102a that can move up and down, 102b) connect, described installing plate (102a, 102b), be provided with and can drive installation plate (102a, 102b) motion realize the front end cylinder (103,104) that two groups of chuck groups (2010,2020) clamp two row's buses (611,612) of isolating switch (6).
5. isolating switch checking table fixture according to claim 1, is characterized in that: in described two groups of chuck groups (2010,2020), each chuck copper sheet (200a, 200b, 210a, 210b) of every row folding head copper sheet group (201,202,211,212) is equidistantly arranged.
6. isolating switch checking table fixture according to claim 1, is characterized in that: described every group of chuck group (2010) comprises 22 pairs of chuck copper sheets (200a, 200b) of corresponding setting.
7. isolating switch checking table fixture according to claim 1, it is characterized in that: the chuck unit in the one group of chuck group (2010) in described two groups of chuck groups (2010,2020) is connected with one end of testing power supply (3) respectively, the chuck unit in another group chuck group (2020) is connected with the other end of testing power supply (3) respectively; A chuck unit group of two groups of chuck groups (2010,2020) upper corresponding a pair of chuck unit composition, in each chuck unit group, at least one chuck unit and testing power supply (3) junction also arrange on-off system (5).
8. isolating switch checking table fixture according to claim 7, it is characterized in that: on-off system (5) comprises the static connection end (501) of the wire end setting of being drawn by chuck unit, be arranged on the end (502) that is dynamically connected that rear end cylinder (503) is upper and be connected with testing power supply (3), the control end of described rear end cylinder (503) is connected with PLC.
9. isolating switch checking table fixture according to claim 7, it is characterized in that: described on-off system (5) comprises the supply terminals of being drawn by testing power supply (3) and the chuck terminals of being drawn by chuck unit, between described supply terminals and chuck terminals, is connected by the electric-controlled switch of being controlled by PLC.
10. isolating switch checking table fixture according to claim 1, is characterized in that: in described two groups of chuck groups (2010,2020), any one group of chuck group is provided with the height cylinder of distance between two groups of chuck groups of capable of regulating (2010,2020).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300298.3U CN203950022U (en) | 2014-06-06 | 2014-06-06 | Isolating switch checking table fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300298.3U CN203950022U (en) | 2014-06-06 | 2014-06-06 | Isolating switch checking table fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950022U true CN203950022U (en) | 2014-11-19 |
Family
ID=51892050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300298.3U Withdrawn - After Issue CN203950022U (en) | 2014-06-06 | 2014-06-06 | Isolating switch checking table fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049206A (en) * | 2014-06-06 | 2014-09-17 | 正泰集团股份有限公司 | Circuit breaker checking table clamp |
| CN113267654A (en) * | 2021-07-21 | 2021-08-17 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
-
2014
- 2014-06-06 CN CN201420300298.3U patent/CN203950022U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049206A (en) * | 2014-06-06 | 2014-09-17 | 正泰集团股份有限公司 | Circuit breaker checking table clamp |
| CN104049206B (en) * | 2014-06-06 | 2018-10-30 | 正泰集团股份有限公司 | Breaker checking table fixture |
| CN113267654A (en) * | 2021-07-21 | 2021-08-17 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
| CN113267654B (en) * | 2021-07-21 | 2021-09-24 | 广东电网有限责任公司佛山供电局 | Electrical test fixture for high-voltage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20181030 |