CN102331568B - Secondary wire pressing mechanism for error testing - Google Patents
Secondary wire pressing mechanism for error testing Download PDFInfo
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- CN102331568B CN102331568B CN201110247680.3A CN201110247680A CN102331568B CN 102331568 B CN102331568 B CN 102331568B CN 201110247680 A CN201110247680 A CN 201110247680A CN 102331568 B CN102331568 B CN 102331568B
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 238000004804 winding Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 238000002788 crimping Methods 0.000 claims description 14
- 241000271510 Agkistrodon contortrix Species 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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 line-pressing mechanism of mutual inductor.
Background technology
Wiring to secondary terminals while at present mutual inductor being carried out to error, the test of magnetic wish degree all adopts manual type.When a plurality of mutual inductors are tested simultaneously, because secondary connection terminal number order is many and different tests need to repeatedly repeat wiring, therefore in test at present, wiring need to expend a large amount of time, and workload is heavy and efficiency is low.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that the prior art scheme is improved and improved, and provides a kind of secondary line-pressing mechanism for error test, to reach the purpose of automatic connection.For this reason, the present invention takes following technical scheme.
For the secondary line-pressing mechanism of error test, it is characterized in that: comprise support body, be located at the support body below the strip collets, be located between support body and collets cylinder for driving collets to move up and down, be connected to the guide rod on support body and collets and be located on collets for a plurality of test prods that are arranged side by side with the crimping of mutual inductor secondary terminals; The upper end of described test prod connects wire, and lower end is the pressure connection terminal for the Secondary Winding terminal crimping with tested mutual inductor.During work, cylinder drives collets and descends, and the test prod that makes to be positioned on 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, automatically complete the wiring to the mutual inductor secondary terminals, increase work efficiency.
As the further of technique scheme improved and supplement, the present invention also comprises following additional technical feature.
Be provided with two cylinders between support body and collets, two cylinders are divided into the two ends of collets, the cylinder body of cylinder is arranged on the lower surface of support body vertically downward by web joint, the movable end of cylinder is fixed on collets and is used to moving up and down of collets that driving force is provided by base plate.Two cylinders contribute to 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 by the locking of the nut block in screw and nut mounting groove, and the lower surface that the cylinder body of cylinder is fixed on web joint by web member realizes that cylinder block is fixed on support body.
Described test prod overcoat has spring, collets are provided with a plurality of test prod jacks that match with test prod, the convex shoulder for offseting with spring is established at described test prod middle part, insert the test prod jack after test prod socket spring, the lower end of test prod is established external thread and is spirally connected with the copperhead with for offseting with the mutual inductor secondary terminals; The convex shoulder of spring one end and test prod offsets, and its other end and collets offset and avoid damage when test prod offsets with the mutual inductor secondary terminals when providing suitable snap-in force that both reliably are electrically connected to.The spring of the overcoat of test prod contributes to the driving force of cylinder is steadily passed on the copperhead offseted with the mutual inductor secondary terminals reliably, is electrically connected to 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 12 test prod jacks side by side 12 test prods of pegging graft respectively makes single crimping action can complete 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 collets by flange, and support body is provided with for wearing the guide rod hole of guide rod, is provided with the sliding bearing that is coated at guide rod in guide rod hole.
Be provided with two affixed by screw with the upper and lower end face of collets respectively sliding bearings in one guide rod hole.
The Secondary Winding electric current of the wire that is connected with test prod upper end access mutual-inductor tester when detecting the transformer error test, the copperhead lower end establish chamfering with avoid when the crimping with the mutual inductor Secondary Winding in the middle of the insulating spacer interference.
Described test prod and upper termination connect wire and have jointly formed transformer error and examine and determine required Secondary Winding circuit connection, the secondary circuit impedance that the contact resistance during test prod crimping is connected wire resistance sum with upper end is the ct calibrating that need meet measurement verification regulations and require.
Beneficial effect: a plurality of test prods can connect the secondary terminals of a plurality of mutual inductors simultaneously, automatically complete the wiring to the mutual inductor secondary terminals, increase work efficiency.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is explosion structural representation of the present invention.
Fig. 3 is the structural representation that partly cuts open of the present invention.
In 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 described in further detail.
As Figure 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 collets 2 cylinder 3 to drive collets 2 to move up and down, be connected to the guide rod 12 on support body 1 and collets 2 and be located on collets 2 for a plurality of test prods that are arranged side by side 4 with the crimping of mutual inductor secondary terminals, the upper end of test prod 4 connects wire.Be provided with two cylinders 3 between support body 1 and collets 2, two cylinders 3 are divided into the two ends of collets 2, the cylinder body of cylinder 3 is arranged on the lower surface of support body 1 vertically downward by web joint 5, the movable end of cylinder 3 is fixed on collets 2 and is used to moving up and down of collets 2 that driving force is provided by base plate 6.Two nut mounting grooves are offered in support body 1 lower surface, and groove is embedded with nut block, and web joint 5 is by the locking of the nut block in screw and nut mounting groove, and the lower surface that the cylinder body of cylinder 3 is fixed on web joint 5 by web member realizes that cylinder 3 cylinder bodies are fixed on support body 1.Test prod 4 overcoats have spring 7, collets 2 are provided with a plurality of test prod jacks, the convex shoulder for offseting with spring 7 is established at test prod 4 middle parts, the rear insertion test prod of test prod 4 socket spring 7 jack, the lower end of test prod 4 is established external thread and is spirally connected with the copperhead 8 with for offseting with the mutual inductor secondary terminals; 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 rear 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 9 that is positioned at test prod jack lower end under the elastic force effect of spring 7.Guide rod 12 is provided with 12 test prod jacks side by side 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 collets 2 by flange 10, support body 1 is provided with for wearing the guide rod hole of guide rod 12, is provided with two affixed by screw with the upper and lower end face of collets 2 respectively sliding bearings 11 in a guide rod hole.The Secondary Winding electric current of the wire that is connected with test prod 4 upper ends access 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 and upper termination connect wire and have jointly formed transformer error and examine and determine required Secondary Winding circuit connection, and contact resistance during test prod 4 crimping is connected wire resistance sum with upper end is the secondary circuit impedance that need meet the ct calibrating that measurement verification regulations require.
The secondary compression joint mechanism can complete the Secondary Winding crimping simultaneously of six mutual inductors, in the error test process, test prod 4 is connected wire in short-circuit condition with upper end, realize that by transfer relay successively six mutual inductors access in mutual-inductor tester successively, carry out error test according to the ct calibrating rules.
The secondary line-pressing mechanism for error test shown in above Fig. 1-3 is specific embodiments of the invention; substantive distinguishing features of the present invention and progress have been embodied; can be according to actual use needs; under enlightenment of the present invention; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (8)
1. for the secondary line-pressing 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 between support body (1) and collets (2) cylinder (3) for driving collets (2) to move up and down, be connected to the guide rod (12) on support body (1) and collets (2) and be located at collets (2) and go up for a plurality of test prods that are arranged side by side (4) with the crimping of mutual inductor secondary terminals; The upper end of described test prod (4) connects wire, and lower end is the pressure connection terminal for the Secondary Winding terminal crimping with tested mutual inductor; Described test prod (4) overcoat has spring (7), collets (2) are provided with a plurality of test prod jacks that match with test prod (4), described test prod (4) middle part establish for and the convex shoulder that offsets of spring (7), insert the test prod jack after test prod (4) socket spring (7), the lower end of test prod (4) is established external thread and is spirally connected with the copperhead (8) with for offseting with the mutual inductor secondary terminals; The convex shoulder of spring (7) one ends and test prod (4) offsets, and its other end and collets (2) offset and avoid damage when test prod (4) offsets with the mutual inductor secondary terminals when providing suitable snap-in force that both reliably are electrically connected to.
2. the secondary line-pressing mechanism for error test according to claim 1, it is characterized in that: between support body (1) and collets (2), be provided with two cylinders (3), two cylinders (3) are divided into the two ends of collets (2), the cylinder body of cylinder (3) is arranged on the lower surface of support body (1) vertically downward by web joint (5), the movable end of cylinder (3) is fixed on collets (2) and is used to moving up and down of collets (2) that driving force is provided by base plate (6).
3. the secondary line-pressing mechanism 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 by the locking of the nut block in screw and nut mounting groove, and the lower surface that the cylinder body of cylinder (3) is fixed on web joint (5) by web member realizes that cylinder (3) cylinder body is fixed on support body (1).
4. the secondary line-pressing mechanism for error test according to claim 1 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 between the convex shoulder of its lower surface and test prod (4) and be coated at test prod (4)
describedspring (7); When standby, the convex shoulder of test prod (4) exists
describedunder the elastic force effect of spring (7), with the axle sleeve (9) that is positioned at test prod jack lower end, conflict.
5. the secondary line-pressing mechanism for error test according to claim 4 is characterized in that: described collets (2) are provided with 12 test prod jacks side by side 12 test prods (4) of pegging graft respectively makes single crimping action can complete the Secondary Winding wiring of 6 mutual inductors simultaneously.
6. the secondary line-pressing mechanism 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 collets (2) by flange (10), support body (1) is provided with for wearing the guide rod hole of guide rod (12), is provided with the sliding bearing (11) that is coated at guide rod (12) in guide rod hole.
7. the compression joint mechanism of the secondary for error test according to claim 1, it is characterized in that: the Secondary Winding electric current of the wire that is connected with test prod (4) upper end access mutual-inductor tester when detecting the transformer error test, copperhead (8) lower end establish chamfering with avoid when the crimping with the mutual inductor Secondary Winding in the middle of the insulating spacer interference.
8. the compression joint mechanism of the secondary for error test according to claim 1, is characterized in that: described test prod (4) and upper end
connectconnect wire and jointly formed transformer error and examine and determine required Secondary Winding circuit connection, the secondary circuit impedance that contact resistance during test prod (4) crimping is connected wire resistance sum with upper end is the ct calibrating that need meet measurement verification regulations and 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 CN102331568A (en) | 2012-01-25 |
| CN102331568B true CN102331568B (en) | 2014-01-01 |
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| 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 |
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| Country | Link |
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| CN (1) | CN102331568B (en) |
Families Citing this family (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 |
| 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 |
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 (2)
| Title |
|---|
| 一种电力互感器校验的新方法;宁康红等;《电力系统自动化》;20030510;第27卷(第09期);全文 * |
| 宁康红等.一种电力互感器校验的新方法.《电力系统自动化》.2003,第27卷(第09期),全文. |
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| CN102331568A (en) | 2012-01-25 |
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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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