CN102331568A - Secondary wire pressing mechanism for error testing - Google Patents
Secondary wire pressing mechanism for error testing Download PDFInfo
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- CN102331568A CN102331568A CN201110247680A CN201110247680A CN102331568A CN 102331568 A CN102331568 A CN 102331568A CN 201110247680 A CN201110247680 A CN 201110247680A CN 201110247680 A CN201110247680 A CN 201110247680A CN 102331568 A CN102331568 A CN 102331568A
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Abstract
The invention discloses a secondary wire pressing mechanism for error testing, which relates to a secondary wire pressing mechanism for a mutual inductor. During error and magnetic degree testing of the conventional mutual inductor, secondary ends are wired manually, a large quantity of secondary wiring ends exist and multiple times of repeated wiring are required by different tests, so that work is numerous and heavy and the efficiency is low. The secondary wire pressing mechanism is characterized by comprising a frame body, a strip-shaped insulating block, a cylinder, a guide rod and a plurality of test probes, wherein the strip-shaped insulating block is arranged below the frame body; the cylinder is arranged between the frame body and the insulating block, and is used for driving the insulating block to move up and down; the guide rod is connected to the frame body and the insulating block; the test probes are arranged side by side on the insulating block and are in compression joint with the secondary ends of mutual inductors; the upper ends of the test probes are connected with leads; and the lower ends of the test probes are compression joint ends for compression joint with wiring ends of secondary windings of tested mutual inductors. The test probes can be used for connecting secondary ends of a plurality of mutual inductors synchronously, so that wiring of the secondary ends of the mutual inductors is completed automatically, and the working efficiency is increased.
Description
Technical field
The present invention relates to a kind of secondary thread depressing mechanism of mutual inductor.
Background technology
When at present mutual inductor being carried out error, the test of magnetic desire degree manual type is all adopted in the wiring of secondary terminals.When a plurality of mutual inductors are tested simultaneously, because secondary connection terminal number order is many and different tests need repeatedly repeat wiring, therefore wiring needs time of labor in test at present, and workload is heavy and efficient is low.
Summary of the invention
The technical matters that the present invention will solve and the technical assignment of proposition are that the prior art scheme is improved and improved, and a kind of secondary thread depressing mechanism that is used for error test are provided, to reach the purpose of automatic connection.For this reason, the present invention takes following technical scheme.
Be used for the secondary thread depressing mechanism of error test, it is characterized in that: comprise support body, be located at support body below the strip collets, be located at the cylinder that is used to drive collets between support body and the collets and moves up and down, be connected the guide rod on support body and the collets and be located at a plurality of test prods that are arranged side by side that are used on the collets with the crimping of mutual inductor secondary terminals; The upper end of described test prod connects lead, and the lower end is the pressure connection terminal that is used for the Secondary Winding terminal crimping of seized mutual inductor.During work, cylinder drives collets and descends, and the test prod that is positioned on the collets is connected with the secondary terminals of mutual inductor.A plurality of test prods can connect the secondary terminals of a plurality of mutual inductors simultaneously, accomplish the wiring to the mutual inductor secondary terminals automatically, increase work efficiency.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature.
Be provided with two cylinders between support body and the collets; Two cylinders are divided into the two ends of collets; The cylinder body of cylinder is installed in the lower surface of support body vertically downward through web joint, and the movable end of cylinder is fixed on through base plate and is used to moving up and down of collets on the collets driving force is provided.Two cylinders help steadily moving down of collets.
Two nut mounting grooves are offered in described support body lower surface, and groove is embedded with nut block, and web joint is through the locking of the nut block in screw and the nut mounting groove, and the cylinder body of cylinder realizes that through the lower surface that web member is fixed on web joint cylinder block is fixed on the support body.
Described test prod is with spring outward; Collets are provided with a plurality of test prod jacks that match with test prod; Described test prod middle part is established and is used for the convex shoulder that offsets with spring; Insert the test prod jack behind the test prod socket spring, external thread is established to be spirally connected with the copperhead that is used for offseting with the mutual inductor secondary terminals in the lower end of test prod; The convex shoulder of spring one end and test prod offsets, and its other end offsets with collets and avoids damaging when both reliably are electrically connected when test prod offsets with the mutual inductor secondary terminals, to provide suitable snap-in force to make.The spring of the overcoat of test prod helps the driving force of cylinder is steadily passed on the copperhead that offsets with the mutual inductor secondary terminals reliably, is electrically connected reliable.
The upper and lower side of described test prod jack be equipped with internal thread with respectively with the external thread bolt connection of two axle sleeves; Be positioned at the axle sleeve of test prod upper end, be provided with the spring that is coated at test prod between the convex shoulder of its lower surface and test prod; When standby, the convex shoulder of test prod is conflicted with the axle sleeve that is positioned at test prod jack lower end under the elastic force effect of spring.
Described guide rod is provided with side by side 12 test prod jacks 12 test prods of pegging graft respectively makes the single crimping action can accomplish the Secondary Winding wiring of 6 mutual inductors simultaneously.。Can carry out wiring to 6 mutual inductors simultaneously.
The guide rod that connects support body and collets is two, and the lower end of guide rod is fixed on the collets through flange, and support body is provided with the guide rod hole that is used to wear guide rod, is provided with the sliding bearing that is coated at guide rod in the guide rod hole.
Be provided with in one guide rod hole respectively and pass through two affixed sliding bearings of screw with the upper and lower end face of collets.
The lead that is connected with test prod upper end inserts the Secondary Winding electric current of mutual-inductor tester when detecting the transformer error test, and chamfering is established to avoid when the crimping and the middle insulating spacer interference of mutual inductor Secondary Winding in the copperhead lower end.
Described test prod and last termination connect lead and have formed the required Secondary Winding circuit connection of transformer error calibrating jointly, and the contact resistance during the test prod crimping is connected lead with the upper end resistance sum is to satisfy the secondary circuit impedance of the ct calibrating that measurement verification regulations require.
Beneficial effect: a plurality of test prods can connect the secondary terminals of a plurality of mutual inductors simultaneously, accomplish the wiring to the mutual inductor secondary terminals automatically, increase work efficiency.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an explosion structural representation of the present invention.
Fig. 3 is the structural representation that partly cuts open of the present invention.
Among the figure: 1-support body, 2-collets, 3-cylinder, 4-test prod, 5-web joint, 6-base plate, 7-spring, 8-copperhead, 9-axle sleeve, 10-flange, 11-sliding bearing, 12-guide rod.
Embodiment
Below in conjunction with Figure of description technical scheme of the present invention is done further detailed description.
Shown in Fig. 1-3; The present invention includes support body 1, be located at support body 1 below strip collets 2, be located between support body 1 and the collets 2 to drive cylinder 3 that collets 2 move up and down, to be connected the guide rod 12 on support body 1 and the collets 2 and to be located at a plurality of test prods that are arranged side by side 4 that are used on the collets 2 with the crimping of mutual inductor secondary terminals, the upper end of test prod 4 connects lead.Be provided with two cylinders 3 between support body 1 and the collets 2; Two cylinders 3 are divided into the two ends of collets 2; The cylinder body of cylinder 3 is installed in the lower surface of support body 1 vertically downward through web joint 5, and the movable end of cylinder 3 is fixed on through base plate 6 and is used to moving up and down of collets 2 on the collets 2 driving force is provided.Two nut mounting grooves are offered in support body 1 lower surface, and groove is embedded with nut block, and web joint 5 is through the locking of the nut block in screw and the nut mounting groove, and the cylinder body of cylinder 3 realizes that through the lower surface that web member is fixed on web joint 5 cylinder 3 cylinder bodies are fixed on the support body 1.The test prod 4 outer springs 7 that are with; Collets 2 are provided with a plurality of test prod jacks; Test prod 4 middle parts are established and are used for the convex shoulder that offsets with spring 7; The test prod jack is inserted in test prod 4 socket springs 7 backs, and external thread is established to be spirally connected with the copperhead 8 that is used for offseting with the mutual inductor secondary terminals in the lower end of test prod 4; The convex shoulder of spring 7 one ends and test prod 4 offsets, and its other end and collets 2 offset and make collets 2 move down back test prod 4 reliably to contact with the mutual inductor secondary terminals.The upper and lower side of test prod jack be equipped with internal thread with respectively with the external thread bolt connection of two axle sleeves 9; Be positioned at the axle sleeve 9 of test prod 4 upper ends, be provided with the spring 7 that is coated at test prod 4 between the convex shoulder of its lower surface and test prod 4; When standby, the convex shoulder of test prod 4 is conflicted with the axle sleeve that is positioned at test prod jack lower end 9 under the elastic force effect of spring 7.Guide rod 12 is provided with side by side 12 test prod jacks 12 test prods 4 of pegging graft respectively.The guide rod 12 that connects support body 1 and collets 2 is two; The lower end of guide rod 12 is fixed on the collets 2 through flange 10; Support body 1 is provided with the guide rod hole that is used to wear guide rod 12, is provided with in the guide rod hole respectively to pass through two affixed sliding bearings 11 of screw with collets 2 upper and lower end faces.The lead that is connected with test prod 4 upper ends inserts the Secondary Winding electric current of mutual-inductor tester when detecting the transformer error test, copperhead 8 lower ends establish chamfering with avoid when the crimping with the mutual inductor Secondary Winding in the middle of the insulating spacer interference.Test prod 4 connects lead with last termination and has formed the required Secondary Winding circuit connection of transformer error calibrating jointly, and the contact resistance during test prod 4 crimping is connected lead with the upper end resistance sum is to satisfy the secondary circuit impedance of the ct calibrating that measurement verification regulations require.
The secondary compression joint mechanism can be accomplished the Secondary Winding crimping simultaneously of six mutual inductors; Test prod 4 is connected lead with the upper end and is in short-circuit condition in the error test process; Realize that through transfer relay successively six mutual inductors insert in the mutual-inductor tester successively, carry out error test according to the ct calibrating rules.
The secondary thread depressing mechanism that is used for error test shown in above Fig. 1-3 is a specific embodiment of the present invention; Substantive distinguishing features of the present invention and progress have been embodied; Can be according to the use needs of reality; Under enlightenment of the present invention, it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (10)
1. be used for the secondary thread depressing mechanism of error test, it is characterized in that: comprise support body (1), be located at support body (1) below strip collets (2), be located at the cylinder (3) that is used to drive collets (2) between support body (1) and the collets (2) and moves up and down, be connected the guide rod (12) on support body (1) and the collets (2) and be located at a plurality of test prods that are arranged side by side (4) that are used on the collets (2) with the crimping of mutual inductor secondary terminals; The upper end of described test prod (4) connects lead, and the lower end is the pressure connection terminal that is used for the Secondary Winding terminal crimping of seized mutual inductor.
2. the secondary thread depressing mechanism that is used for error test according to claim 1; It is characterized in that: be provided with two cylinders (3) between support body (1) and the collets (2); Two cylinders (3) are divided into the two ends of collets (2); The cylinder body of cylinder (3) is installed in the lower surface of support body (1) vertically downward through web joint (5), and the movable end of cylinder (3) is fixed on through base plate (6) and is used to moving up and down of collets (2) on the collets (2) driving force is provided.
3. the secondary thread depressing mechanism that is used for error test according to claim 2; It is characterized in that: two nut mounting grooves are offered in described support body (1) lower surface; Groove is embedded with nut block; Web joint (5) is through the locking of the nut block in screw and the nut mounting groove, and the cylinder body of cylinder (3) realizes that through the lower surface that web member is fixed on web joint (5) cylinder (3) cylinder body is fixed on the support body (1).
4. according to the described secondary thread depressing mechanism that is used for error test of the arbitrary claim of claim 1-3; It is characterized in that: the outer spring (7) that is with of described test prod (4); Collets (2) are provided with a plurality of test prod jacks that match with test prod (4); Described test prod (4) middle part is established and is used for and convex shoulder that spring (7) offsets; The test prod jack is inserted in test prod (4) socket spring (7) back, and external thread is established to be spirally connected with the copperhead (8) that is used for offseting with the mutual inductor secondary terminals in the lower end of test prod (4); The convex shoulder of spring (7) one ends and test prod (4) offsets, and its other end offsets with collets (2) and avoids damaging when both reliably are electrically connected when test prod (4) offsets with the mutual inductor secondary terminals, to provide suitable snap-in force to make.
5. the secondary thread depressing mechanism that is used for error test according to claim 4 is characterized in that: the upper and lower side of described test prod jack be equipped with internal thread with respectively with the external thread bolt connection of two axle sleeves (9); Be positioned at the axle sleeve (9) of test prod (4) upper end, be provided with the spring (7) that is coated at test prod (4) between the convex shoulder of its lower surface and test prod (4); When standby, the convex shoulder of test prod (4) is conflicted with the axle sleeve (9) that is positioned at test prod jack lower end under the elastic force effect of spring (7).
6. the secondary thread depressing mechanism that is used for error test according to claim 5 is characterized in that: described guide rod (12) is provided with side by side 12 test prod jacks 12 test prods (4) of pegging graft respectively makes the single crimping action can accomplish the Secondary Winding wiring of 6 mutual inductors simultaneously.
7. the secondary thread depressing mechanism that is used for error test according to claim 1; It is characterized in that: the guide rod (12) that connects support body (1) and collets (2) is two; The lower end of guide rod (12) is fixed on the collets (2) through flange (10); Support body (1) is provided with the guide rod hole that is used to wear guide rod (12), is provided with the sliding bearing (11) that is coated at guide rod (12) in the guide rod hole.
8. the secondary thread depressing mechanism that is used for error test according to claim 1 is characterized in that: be provided with in the guide rod hole respectively and pass through affixed two sliding bearings (11) of screw with the upper and lower end face of collets (2).
9. the secondary compression joint mechanism that is used for error test according to claim 4; It is characterized in that: the lead that is connected with test prod (4) upper end inserts the Secondary Winding electric current of mutual-inductor tester when detecting the transformer error test, and chamfering is established to avoid when the crimping and the middle insulating spacer interference of mutual inductor Secondary Winding in copperhead (8) lower end.
10. the secondary compression joint mechanism that is used for error test according to claim 1; It is characterized in that: described test prod (4) and last termination connect lead and have formed the required Secondary Winding circuit connection of transformer error calibrating jointly, and the contact resistance during test prod (4) crimping is connected lead with the upper end resistance sum is to satisfy the secondary circuit impedance of the ct calibrating that measurement verification regulations require.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247680.3A CN102331568B (en) | 2011-08-24 | 2011-08-24 | Secondary wire pressing mechanism for error testing |
| PCT/CN2011/082916 WO2012163064A1 (en) | 2011-06-01 | 2011-11-25 | Full-automatic detecting system and method for transformer |
| US13/980,556 US9562916B2 (en) | 2011-06-01 | 2011-11-25 | Full-automatic detecting system and method for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247680.3A CN102331568B (en) | 2011-08-24 | 2011-08-24 | Secondary wire pressing mechanism for error testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102331568A true CN102331568A (en) | 2012-01-25 |
| CN102331568B CN102331568B (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110247680.3A Active CN102331568B (en) | 2011-06-01 | 2011-08-24 | Secondary wire pressing mechanism for error testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102331568B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809706A (en) * | 2012-04-12 | 2012-12-05 | 山西省电力公司电力科学研究院 | Mutual inductor automatic detection line secondary wiring device |
| CN107102181A (en) * | 2017-07-07 | 2017-08-29 | 京东方科技集团股份有限公司 | Test probe, test device and method of testing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424164B1 (en) * | 2000-06-13 | 2002-07-23 | Kulicke & Soffa Investment, Inc. | Probe apparatus having removable beam probes |
| CN201698015U (en) * | 2010-06-13 | 2011-01-05 | 栾川县电业局 | Rapid wiring device for detecting current transformer |
| CN102135607A (en) * | 2011-03-01 | 2011-07-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Automatic calibration line and method for intelligent type low-tension current transformers |
| CN202210149U (en) * | 2011-08-24 | 2012-05-02 | 浙江省电力公司 | Secondary line-pressing mechanism for error test |
-
2011
- 2011-08-24 CN CN201110247680.3A patent/CN102331568B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6424164B1 (en) * | 2000-06-13 | 2002-07-23 | Kulicke & Soffa Investment, Inc. | Probe apparatus having removable beam probes |
| CN201698015U (en) * | 2010-06-13 | 2011-01-05 | 栾川县电业局 | Rapid wiring device for detecting current transformer |
| CN102135607A (en) * | 2011-03-01 | 2011-07-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Automatic calibration line and method for intelligent type low-tension current transformers |
| CN202210149U (en) * | 2011-08-24 | 2012-05-02 | 浙江省电力公司 | Secondary line-pressing mechanism for error test |
Non-Patent Citations (1)
| Title |
|---|
| 宁康红等: "一种电力互感器校验的新方法", 《电力系统自动化》, vol. 27, no. 09, 10 May 2003 (2003-05-10) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809706A (en) * | 2012-04-12 | 2012-12-05 | 山西省电力公司电力科学研究院 | Mutual inductor automatic detection line secondary wiring device |
| CN107102181A (en) * | 2017-07-07 | 2017-08-29 | 京东方科技集团股份有限公司 | Test probe, test device and method of testing |
| CN107102181B (en) * | 2017-07-07 | 2019-10-15 | 京东方科技集团股份有限公司 | Test probe, test device and test method |
| US10816575B2 (en) | 2017-07-07 | 2020-10-27 | Boe Technology Group Co., Ltd. | Testing probe, testing device and testing method |
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| Publication number | Publication date |
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| CN102331568B (en) | 2014-01-01 |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121231 |
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Effective date of registration: 20121231 Address after: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No. Applicant after: Zhejiang Electric Power Company Applicant after: State Grid Corporation of China Address before: 310007 Huanglong Road, Hangzhou, Zhejiang, No. 8, No. Applicant before: Zhejiang Electric Power Company |
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