CN102305921B - Secondary line pressing mechanism used for preventive tests - Google Patents
Secondary line pressing mechanism used for preventive tests Download PDFInfo
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- CN102305921B CN102305921B CN 201110244768 CN201110244768A CN102305921B CN 102305921 B CN102305921 B CN 102305921B CN 201110244768 CN201110244768 CN 201110244768 CN 201110244768 A CN201110244768 A CN 201110244768A CN 102305921 B CN102305921 B CN 102305921B
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- test
- collets
- mutual inductor
- test prod
- support
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- 230000003449 preventive effect Effects 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000002788 crimping Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 15
- 230000000881 depressing effect Effects 0.000 claims description 13
- 241000271510 Agkistrodon contortrix Species 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 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
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses a secondary line pressing mechanism used for preventive tests, and relates to a secondary line pressing mechanism of a mutual inductor. At present, during withstand voltage, insulation resistance and secondary interturn insulation tests of the mutual inductor, a secondary end adopts a manual method to perform wiring, so the efficiency is low and the work is onerous. The secondary line pressing mechanism is characterized by comprising a supporting frame, a strip insulation block, a cylinder, a guide rod, front and back rows of test probes and a forward and backward translation device, wherein the strip insulation block is arranged below the supporting frame; the cylinder is arranged between the supporting frame and the insulation block and used for driving the insulation block to move up and down; the guide rod is connected to the supporting frame and the insulation block; the front and back rows of test probes are arranged on the insulation block and in pressure connection with the secondary end of the mutual inductor; the forward and backward translation device is used for driving the supporting frame to move back and forth to ensure that the two rows of the test probes can be in pressure connection with the secondary end of the mutual inductor in turn so as to finish an open-circuit test and withstand voltage and insulation impedance tests; and the upper ends of the test probes are connected with a conducting wire, and the lower ends are pressure connection ends. A plurality of the test probes can be connected with secondary ends of a plurality ofmutual inductors at the same time to automatically finish the connection of the secondary ends of the mutual inductor and improve the working efficiency.
Description
Technical field
The present invention relates to a kind of secondary thread depressing mechanism of mutual inductor.
Background technology
Secondary terminals all adopts manual method to carry out wiring when at present mutual inductor being carried out withstand voltage, insulation resistance and secondary turn to turn test.When a plurality of mutual inductors were tested simultaneously, because secondary connection terminal number order is many and different tests need repeatedly repeat wiring, therefore wiring need expend a large amount of time in test at present especially, and it is heavy to work.
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 thread depressing mechanism for preventive trial, to reach the purpose of automatic connection, automatic Verification.For this reason, the present invention takes following technical scheme.
Be used for the secondary thread depressing mechanism of preventive trial, it is characterized in that: comprise support, be located at the support below the strip collets, be located at the cylinder that is used for driving collets between support and the collets and moves up and down, be connected guide rod on support and the collets, be located at be used on the collets and front and back two row's test prods of mutual inductor secondary terminals crimping, be used for driving support move forward and backward make two rows sound out pins can be successively with the crimping of mutual inductor secondary terminals to finish the front and back translating device of open-circuit test, withstand voltage and insulation impedance test; The upper end of described test prod connects lead, and the lower end is for being used for the pressure connection terminal with the Secondary Winding terminal crimping of tested 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, finish 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 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 vertically downward by web joint, and the movable end of cylinder is fixed on by base plate and is used to moving up and down of collets that driving force is provided on the collets.Two cylinders help steadily moving down of collets.
Two nut mounting grooves are offered in described support lower surface, and groove is embedded with nut block, and web joint is by the locking of the nut block in screw and the nut mounting groove, and the cylinder body of cylinder realizes that by the lower surface that web member is fixed on web joint cylinder block is fixed on the support.
Described test prod is with spring outward, collets are provided with a plurality of test prod jacks that match with test prod, establish for the convex shoulder that offsets with spring at described test prod middle part, 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 and the mutual inductor secondary terminals offsets in the lower end of test prod; The convex shoulder of spring one end and test prod offsets, and its other end and collets offset and avoid damage to provide suitable snap-in force to make when both reliably are electrically connected when test prod offsets with the mutual inductor secondary terminals.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 collets are provided with two row's test prod jacks with the test prod of pegging graft respectively, corresponding row establishes before and after two row's test prod jacks, and every row's test prod comprises that 12 test prod jacks make single crimping action can finish the Secondary Winding wiring of 6 mutual inductors simultaneously.Can carry out wiring to 6 mutual inductors simultaneously, the efficient height.
Described translating device comprises the slide block of being located at two ends, the support left and right sides, be provided with match fixing support body, the end of chute of slide block and be connected the front and back driving cylinder that the other end is connected with support body with support; The guide rod that connects support and collets is two, and the lower end of guide rod is fixed on the collets by flange, and support is provided be used to the guide rod hole that wears guide rod, is provided with the sliding bearing that is coated at guide rod in the guide rod hole.
Described support is section bar, and by the web member securing cover plate, the outside of cover plate is slide block fixedly respectively at its left and right two ends.
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 first row's test prod upper end connects inserts mutual inductor open test instrument to detect the maximum peak voltage of mutual inductor Secondary Winding, one group in twos of 12 test prod, correspond respectively to six mutual inductors, when open-circuit test, winding of mutual inductor is by big electric current, and the secondary circuit of every group of probe is in short-circuit condition, successively tested transformer secondary circuit is opened a way by relay control during test, record the secondary crest voltage of mutual inductor under the open-circuit condition by the open test instrument, have only one or two mutual inductor to open a way simultaneously in the test overall process, the warranty test power supply does not produce serious distortion; The lead that second row's test prod upper end connects is by relay short circuit ground connection or connect program control source, when the test of industrial frequency withstand voltage and insulation impedance, program control source by relay and second arrange test prod be connected and constitute the loop with examine withstand voltage Leakage Current and insulation impedance result; The copperhead lower end establish chamfering with avoid when the crimping and the mutual inductor Secondary Winding in the middle of insulating spacer interfere.
Beneficial effect: a plurality of test prods can connect the secondary terminals of a plurality of mutual inductors simultaneously, finish the wiring to the mutual inductor secondary terminals automatically, increase work efficiency.
Description of drawings
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.
Among the figure: 1-support, 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, 13-slide block, 14-cover plate.
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 1, be located at support 1 below strip collets 2, be located between support 1 and the collets 2 cylinder 3 that is used for driving collets 2 and moves up and down, be connected guide rod 12 on support 1 and the collets 2, be located at be used on the collets 2 and front and back two row's test prods 4 of mutual inductor secondary terminals crimping, be used for driving support move forward and backward make two rows sound out pins 4 can be successively with the crimping of mutual inductor secondary terminals to finish the front and back translating device of open-circuit test, withstand voltage and insulation impedance test; The upper end of test prod 4 connects lead, and the lower end is for being used for the pressure connection terminal with the Secondary Winding terminal crimping of tested mutual inductor.Be provided with two cylinders 3 between support 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 1 vertically downward by web joint 5, and the movable end of cylinder 3 is fixed on by base plate 6 and is used to moving up and down of collets 2 that driving force is provided on the collets 2.Two nut mounting grooves are offered in support 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 the nut mounting groove, and the cylinder body of cylinder 3 realizes that by the lower surface that web member is fixed on web joint 5 cylinder 3 cylinder bodies are fixed on the support 1.The test prod 4 outer springs 7 that are with, collets 2 are provided with a plurality of test prod jacks that match with test prod 4, establish for the convex shoulder that offsets with spring 7 at test prod 4 middle parts, 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 and the mutual inductor secondary terminals offsets 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 avoid damage to provide suitable snap-in force to make when both reliably are electrically connected when test prod 4 offsets 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.Collets 2 are provided with two row's test prod jacks and establish with corresponding row before and after test prod 4, the two row's test prod jacks of pegging graft respectively, and every row's test prod comprises that 12 test prod jacks make single crimping action can finish the Secondary Winding wiring of 6 mutual inductors simultaneously.Translating device comprises the slide block 13 of being located at two ends, support 1 left and right sides, be provided with match fixing support body, the end of chute of slide block 13 and be connected the front and back driving cylinder that the other end is connected with support body with support 1; The guide rod 12 that connects support 1 and collets 2 is two, and the lower end of guide rod 12 is fixed on the collets 2 by flange 10, and support 1 is provided be used to the guide rod hole that wears guide rod 12, is provided with the sliding bearing 11 that is coated at guide rod 12 in the guide rod hole.Support 1 is section bar, and by web member securing cover plate 14, the outside of cover plate 14 is slide block 13 fixedly respectively at its left and right two ends.Be provided with in one guide rod hole respectively and pass through two affixed sliding bearings 11 of screw with collets 2 upper and lower end faces.The lead that first row's test prod, 4 upper ends connect inserts mutual inductor open test instrument to detect the maximum peak voltage of mutual inductor Secondary Winding, one group in twos of 12 test prod 4, correspond respectively to six mutual inductors, when open-circuit test, winding of mutual inductor is by big electric current, and the secondary circuit of every group of probe is in short-circuit condition, successively tested transformer secondary circuit is opened a way by relay control during test, record the secondary crest voltage of mutual inductor under the open-circuit condition by the open test instrument, have only one or two mutual inductor to open a way simultaneously in the test overall process, the warranty test power supply does not produce serious distortion; The lead that second row's test prod, 4 upper ends connect is by relay short circuit ground connection or connect program control source, when the test of industrial frequency withstand voltage and insulation impedance, program control source by relay and second arrange test prod be connected and constitute the loop with examine withstand voltage Leakage Current and insulation impedance result; Copperhead 8 lower ends establish chamfering with avoid when the crimping and the mutual inductor Secondary Winding in the middle of insulating spacer interfere.
Claims (9)
1. be used for the secondary thread depressing mechanism of preventive trial, it is characterized in that: comprise support (1), be located at the strip collets (2) of support (1) below, be located at and be used for driving the cylinder (3) that collets (2) move up and down between support (1) and the collets (2), be connected the guide rod (12) on support (1) and the collets (2), be located at collets (2) and go up the front and back two row's test prods (4) that are used for the crimping of mutual inductor secondary terminals, be used for to drive support move forward and backward make two rows sound out pins (4) can be successively with the crimping of mutual inductor secondary terminals to finish open-circuit test, the front and back translating device withstand voltage and insulation impedance is tested; The upper end of described test prod (4) connects lead, and the lower end is for being used for the pressure connection terminal with the Secondary Winding terminal crimping of tested mutual inductor; 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 establish for and the convex shoulder that offsets of spring (7), 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 and the mutual inductor secondary terminals offsets 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 avoid damage to provide suitable snap-in force to make when both reliably are electrically connected when test prod (4) offsets with the mutual inductor secondary terminals.
2. the secondary thread depressing mechanism for preventive trial according to claim 1, it is characterized in that: be provided with two cylinders (3) between support (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 (1) vertically downward by web joint (5), and the movable end of cylinder (3) is fixed on by base plate (6) and is used to moving up and down of collets (2) that driving force is provided on the collets (2).
3. the secondary thread depressing mechanism for preventive trial according to claim 2, it is characterized in that: two nut mounting grooves are offered in described support (1) lower surface, groove is embedded with nut block, web joint (5) is by the locking of the nut block in screw and the nut mounting groove, and the cylinder body of cylinder (3) realizes that by the lower surface that web member is fixed on web joint (5) cylinder (3) cylinder body is fixed on the support (1).
4. the secondary thread depressing mechanism for preventive trial 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 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).
5. the secondary thread depressing mechanism for preventive trial according to claim 1, it is characterized in that: described collets (2) are provided with two row's test prod jacks with the test prod of pegging graft respectively (4), corresponding row establishes before and after two row's test prod jacks, and every row's test prod comprises that 12 test prod jacks make single crimping action can finish the Secondary Winding wiring of 6 mutual inductors simultaneously.
6. the secondary thread depressing mechanism for preventive trial according to claim 1 is characterized in that: described translating device comprises the slide block (13) of being located at support (1) two ends, the left and right sides, be provided with match fixing support body, the end of chute of slide block (13) and be connected the front and back driving cylinder that the other end is connected with support body with support (1); The guide rod (12) that connects support (1) and collets (2) is two, the lower end of guide rod (12) is fixed on the collets (2) by flange (10), support (1) is provided be used to the guide rod hole that wears guide rod (12), is provided with the sliding bearing (11) that is coated at guide rod (12) in the guide rod hole.
7. the secondary thread depressing mechanism for preventive trial according to claim 6, it is characterized in that: described support (1) is section bar, by web member securing cover plate (14), the outside of cover plate (14) is slide block (13) fixedly respectively at its left and right two ends.
8. the secondary thread depressing mechanism for preventive trial 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 thread depressing mechanism for preventive trial according to claim 1, it is characterized in that: the lead that first row's test prod (4) upper end connects inserts mutual inductor open test instrument to detect the maximum peak voltage of mutual inductor Secondary Winding, one group in twos of 12 test prod (4), correspond respectively to six mutual inductors, when open-circuit test, winding of mutual inductor is by big electric current, and the secondary circuit of every group of probe is in short-circuit condition, successively tested transformer secondary circuit is opened a way by relay control during test, record the secondary crest voltage of mutual inductor under the open-circuit condition by the open test instrument, have only one or two mutual inductor to open a way simultaneously in the test overall process, the warranty test power supply does not produce serious distortion; The lead that second row's test prod (4) upper end connects is by relay short circuit ground connection or connect program control source, when the test of industrial frequency withstand voltage and insulation impedance, program control source by relay and second arrange test prod be connected and constitute the loop with examine withstand voltage Leakage Current and insulation impedance result; Copperhead (8) lower end establish chamfering with avoid when the crimping and the mutual inductor Secondary Winding in the middle of insulating spacer interfere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244768 CN102305921B (en) | 2011-08-25 | 2011-08-25 | Secondary line pressing mechanism used for preventive tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244768 CN102305921B (en) | 2011-08-25 | 2011-08-25 | Secondary line pressing mechanism used for preventive tests |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102305921A CN102305921A (en) | 2012-01-04 |
| CN102305921B true CN102305921B (en) | 2013-09-25 |
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| CN 201110244768 Active CN102305921B (en) | 2011-08-25 | 2011-08-25 | Secondary line pressing mechanism used for preventive tests |
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| 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 |
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| CN101408599A (en) * | 2008-10-30 | 2009-04-15 | 费杏宝 | Auxiliary terminal needle bed component of electrical energy meter calibration stand connection device |
| CN102135607B (en) * | 2011-03-01 | 2013-07-17 | 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 |
| CN202210148U (en) * | 2011-08-25 | 2012-05-02 | 浙江省电力公司 | Secondary wire pressing mechanism used for preventive test |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121231 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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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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