CN105097271A - Semi-automatic cold weld pincers and assembly method for applying same to transformer lead - Google Patents
Semi-automatic cold weld pincers and assembly method for applying same to transformer lead Download PDFInfo
- Publication number
- CN105097271A CN105097271A CN201510516607.XA CN201510516607A CN105097271A CN 105097271 A CN105097271 A CN 105097271A CN 201510516607 A CN201510516607 A CN 201510516607A CN 105097271 A CN105097271 A CN 105097271A
- Authority
- CN
- China
- Prior art keywords
- lead
- semi
- wire
- movable block
- cold weld
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Semi-automatic cold weld pincers comprise a mounting plate. A stressing block and a movable block are fixedly arranged on the mounting plate, a plurality of notches are formed in the stress block, and the movable block is provided with pressing pincers matched with the notches. The movable block is clamped by a clamping piece, and the clamping piece is connected with an air cylinder. The semi-automatic cold weld pincers have the following advantages that under the condition of basically leveling cost, the cold weld efficiency is improved by about 5-6 times, cold solder joint, weld brittleness, overheating ageing, welding slag pollution and other quality problems can be avoided in cold weld, and the reliability and anti-short circuit ability of a transformer are greatly improved. Compared with a lead bonding process, staff do not need to be professionally trained, operation is simple and easy to learn, and production efficiency is improved.
Description
Technical field
The present invention relates to transformer lead technique mounting technology field, particularly the semi-automatic cold weld pincers of one; The invention still further relates to the assembly method that above-mentioned semi-automatic cold weld pincers are used to transformer lead.
Background technology
The assembling of oil-filled transformer lead-in wire is divided into blanking, shaping, wire bonds and insulation processing four operations.Conventional wire is welded, lead-out wires of coil paint film is removed with paint stripper, then length of lead-out wire is built, stand up transformer to be transported to appointment district of getting angry and carries out wire bonds, welding edge flame temperature about 1400 DEG C, welding helps material phosphor-copper welding rod, but this technique due to processing temperature higher, the easy season cracking of insulating barrier near heat affected zone, requires very high to insulation processing and cleannes, and has the hidden danger such as joint plasticity is poor, rosin joint.
Existing cord end plier, employing be manual pliers crimping, often there will be under-voltage situation, crimping appearance is more attractive in appearance, but crimps not consolidation, causes contact resistance between wire and crimp to increase, easily causes resistance unbalance.
Due to under-voltage, easily cause and cause because crimping place is stressed wire to loosen when follow-up lead-in wire bends.
Operating transformer, lead-in wire receives the impact of deadweight and vibration, and under-voltage crimp easily loosens, and causes connecting portion to generate heat, the normal operation of harm transformer.
If do not noted a little, power excessive, there will be again the situation of overvoltage, and crimping appearance exists overlap, and cause electrode shape irregular, subsequent treatment is cumbersome.
For flying far serious joint, because compression ratio is excessive, causing net sectional area to reduce, causing joint to endanger the normal operation of transformer because of overheated.
Transformer has electric energy loss unavoidably in operation and is converted to heat energy, oil-filled transformer relies on the flowing of oil to dispel the heat, any position in transformer, if its caloric value is greater than desired value or heat dissipation capacity is less than desired value, under the temperature limit specified higher than standard, then just can reach the balance of heating and heat radiation, incident heat will occur.
Summary of the invention
For deficiency of the prior art, an object of the present invention is to provide a kind of semi-automatic cold weld pincers, and two of object of the present invention is to provide the assembly method that these semi-automatic cold weld pincers are used to transformer lead, solves wire bonds difficulty, intensity difference, and the problem that there is potential safety hazard.
For realizing object one, the present invention is achieved through the following technical solutions.
Semi-automatic cold weld pincers, comprise a mounting panel, described mounting panel are fixedly installed a force block, described force block is provided with multiple notch, what coordinate with described notch is pressing tongs on movable block, and described movable block is clamped by folder, and folder is connected with cylinder.Opposing runners welding procedure, employee does not need professional training, simple to operate easy to learn, enhances productivity, and replace artificial with cylinder, efficiency of colding pressing improves 5 to 6 times.
As preferably, between described movable block and mounting panel, be provided with cushion block.Height between cushion block and mounting panel keeps for the pipe of colding pressing interting and go between.
As preferably, the diameter of the pressing tongs on described movable block is greater than the diameter of pipe of colding pressing.
As preferably, described movable block is provided with pressure-sensing device, described pressure-sensing device selects model to be MPX2100AP.
As preferably, described movable block is provided with displacement senser, MIRAN rice youth KTR-25mm selected by described displacement senser.Double insurance, ensure that pressure can not to be colded pressing pipe in excessive damage, or the too small crimping of pressure is not firm.
For realizing object two, the present invention is achieved through the following technical solutions.
Comprise the following steps: 1) low voltage foil winding lead-in wire copper bar is with bolts; 2) device body is hung high-voltage connection assembly section; 3) special tooling or case lid are placed on it device, are connected on by lead-in wire on shunting switch, by shaping for the wire kink putting wrinkle paper tube, correction lead-in wire and each winding go out line length; 4) high-voltage connection prepares before colding pressing; 5) crimp: pipe of lead-in wire insertion being colded pressing, open semi-automatic cord end plier, crimping terminates.Check oneself crimping quality status, crimping position substantially must be in bilateral and to cold pressing adapter 1/2 place, and requires crimping once in principle, if sensation crimping place loose contact, and can in the ftercompction of original crimping point once; 6) wedge angle, burr and oxide is removed with scissors, file and sand paper; 7) with the two-layer wrapping cold-pressed joint of crimped paper half lap in; 8) low-voltage lead is wrapped up; 9) lead-in wire is fixing; 10) dry gas drifting dust is used, comprehensively inspection, reorganizer body.
Compared with prior art: when cost remains basically stable, crimping improved efficiency about 5 ~ 6 times, cold weld can avoid rosin joint, and welding fragility, crosses heat ageing, the quality problem such as welding slag pollution, greatly improve transformer reliability and anti-short circuit capability, opposing runners welding procedure, employee does not need professional training, simple to operate easy to learn, enhance productivity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is movable block Facad structure schematic diagram of the present invention.
Fig. 3 is pipe schematic diagram of colding pressing of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further.
Semi-automatic cold weld pincers, comprise a mounting panel 5, described mounting panel 5 is fixedly installed force block 1 and movable block 2, described force block 1 is provided with multiple notch 11, the pressing tongs 21 coordinated with described notch 11 that movable block 2 is provided with, described movable block 2 is clamped by folder 3, folder 3 is connected with cylinder 4, cushion block 6 is provided with between described movable block 2 and mounting panel 5, the diameter of the pressing tongs 21 on described movable block 2 is greater than the diameter of pipe 7 of colding pressing, described movable block 2 is provided with pressure-sensing device, described pressure-sensing device selects model to be MPX2100AP, commercially available all can, described movable block 2 is provided with displacement senser, MIRAN rice youth KTR-25mm selected by described displacement senser, commercially available all can.
Inner when the pipe 7 of colding pressing being installed with lead-in wire being positioned over pressing tongs 21, under the drive of cylinder 4, folder 3 drives movable block 2 to move on fixing rectilinear orbit, be pressure bonded in the multiple notches 11 on force block 1, because force block 1 is provided with pressure-sensing device and displacement senser, so the effect of each power is identical in bonding processes, ensure that pipe 7 of colding pressing can not be damaged by pressure, and it is evenly attractive in appearance, described pipe 7 of colding pressing, through repeatedly verifying, resistivity of material is not more than 0.017415 Ω .mm2/m, therefore at all can not affect the normal use of lead-in wire.
Operating process:
1. low voltage foil winding lead-in wire copper bar is with bolts, the zinc-plated process in junction (needing therebetween with spring washer);
2. device body is hung high-voltage connection assembly section, install the supports insulative cardboard of lead-in wire and fixing support by pattern requirement with it at device
3. special tooling or case lid are placed on it device, then determine position of tapping switch, lead-in wire is connected on shunting switch.By shaping for the wire kink putting wrinkle paper tube, then correction lead-in wire and each winding go out line length.
4. high-voltage connection prepares before colding pressing: inspection cold pressing device, the sensitive nothing of equipment is obviously delayed, and when removing electromagnetic wire and lead wire insulation, attention must not damage copper cash, during electromagnetic wire wire diameter φ≤1.5mm, need will lift one's head line wringing (or folding place) on lead-in wire, and the lap of splice is about 15mm, and need prepare enough filling wire (circular copper wires, length 25, wire diameter is about φ=2mm), as coil lead diameter >=1.5mm, overlap joint area is 5 times of wire smallest cross-sectional.
5. crimp: pipe 7 of lead-in wire insertion being colded pressing, open semi-automatic cord end plier, crimping terminates.Check oneself crimping quality status, crimping position substantially must be in bilateral and to cold pressing adapter 1/2 place, and requires crimping once in principle, if sensation crimping place loose contact, and can in the ftercompction of original crimping point once.
6. remove wedge angle, burr and oxide with scissors, file and sand paper, in this operation, note protection end winding, avoid metallic dust to enter coil.
7. with the two-layer wrapping cold-pressed joint of crimped paper half lap in, insulating wrapping thickness by drawing, wrap up according to different lead-in wire specifications, then put down crimped paper pipe box and live welding position, all plumb joints wrapping consolidation, even, attractive in appearance, ensure that lead-in wire insulation thickness is everywhere consistent, the insulation particularly meeting bag place must be reliable.
8. wrap up low-voltage lead: inner side (line end a, b, c three-phase) lead-in wire first with crimped paper half lap 2 layers again with the wrapping of straight burr strap half lap one deck, wrapping length is concordant with zero-emission lower end, the interior crimped paper of outside (the neutral point bending place near high pressure winding) lead-in wire, external application straight burr strap half-stack package is pricked, wrapping thickness is 2mm, lift one's head one, the thick DMD paper of cushioning 0.25 between bending place and curtain oil duct, wrapping is in crimped paper or straight burr strap, neutral point connects between wire and three phase terminals and separates with the cardboard that 1mm is thick, firm with the wrapping of straight burr strap, lead-in wire wrapping consolidation, evenly, root wraps foot as far as possible.
9. lead-in wire is fixing: with wax wire or the adjacent tap lead of straight burr strap colligation, use support anchor leg, for the product that low-voltage lead is fixed with square washer, first remove burr in lead-in wire fixing hole, correcting lead-in wire makes lead-in wire fixing hole and folder screwed hole to directly, finally fix, time fixing, bolt will pay special attention to the insulated tube size conforms drawing requirement of bolt coat.
10. use dry gas drifting dust, comprehensive inspection, reorganizer body, adopt messenger wire method to measure cushion block 6 centre deviation, lower cushion block 6 in alignment, tightens each position bolt, whether measure iron core with 2500V megger 500V shelves insulate good to folder 3, and check unshakable in one's determination with or without rusty stain, if any rusty stain, clean out with rust removing solution, after self-inspection is qualified, inspector is handed over to detect.
Protection scope of the present invention includes but not limited to above execution mode, and protection scope of the present invention is as the criterion with claims, and any replacement that those skilled in the art will find apparent that, distortion, improvement made this technology all falls into protection scope of the present invention.
Claims (6)
1. semi-automatic cold weld pincers, it is characterized in that, comprise mounting panel (5), described mounting panel (5) is fixedly installed force block (1) and movable block (2), described force block (1) is provided with multiple notch (11), the pressing tongs (21) coordinated with described notch (11) that movable block (2) is provided with, described movable block (2) is clamped by folder (3), and folder (3) is connected with cylinder (4).
2. semi-automatic cold weld pincers as claimed in claim 1, is characterized in that, be provided with cushion block (6) between described movable block (2) and mounting panel (5).
3. semi-automatic cold weld pincers as claimed in claim 2, it is characterized in that, the diameter of the pressing tongs (21) on described movable block (2) is greater than the diameter of pipe (7) of colding pressing.
4. semi-automatic cold weld pincers as claimed in claim 3, it is characterized in that, described movable block (2) is provided with pressure-sensing device, and described pressure-sensing device selects model to be MPX2100AP.
5. semi-automatic cold weld pincers as claimed in claim 4, it is characterized in that, described movable block (2) is provided with displacement senser, and MIRAN rice youth KTR-25mm selected by described displacement senser.
6. the semi-automatic cold weld pincers described in any one of claim 1 to 5 are used to the assembly method of transformer lead, it is characterized in that, comprise the following steps: 1) low voltage foil winding lead-in wire copper bar is with bolts; 2) device body is hung high-voltage connection assembly section; 3) special tooling or case lid are placed on it device, are connected on by lead-in wire on shunting switch, by shaping for the wire kink putting wrinkle paper tube, correction lead-in wire and each winding go out line length; 4) high-voltage connection prepares before colding pressing; 5) crimp: pipe (7) of lead-in wire insertion being colded pressing, open semi-automatic cord end plier, crimping terminates, check oneself crimping quality status, crimping position substantially must be in bilateral and to cold pressing adapter 1/2 place, and requires crimping once in principle, if sensation crimping place loose contact, can in the ftercompction of original crimping point once; 6) wedge angle, burr and oxide is removed with scissors, file and sand paper; 7) with the two-layer wrapping cold-pressed joint of crimped paper half lap in; 8) low-voltage lead is wrapped up; 9) lead-in wire is fixing; 10) dry gas drifting dust is used, comprehensively inspection, reorganizer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516607.XA CN105097271B (en) | 2015-08-21 | 2015-08-21 | Semi-automatic cold weld pincers and assembly method for applying same to transformer lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516607.XA CN105097271B (en) | 2015-08-21 | 2015-08-21 | Semi-automatic cold weld pincers and assembly method for applying same to transformer lead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105097271A true CN105097271A (en) | 2015-11-25 |
| CN105097271B CN105097271B (en) | 2017-01-25 |
Family
ID=54577486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510516607.XA Active CN105097271B (en) | 2015-08-21 | 2015-08-21 | Semi-automatic cold weld pincers and assembly method for applying same to transformer lead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105097271B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444376A (en) * | 2019-08-29 | 2019-11-12 | 绍兴迪艾仕机械设计有限公司 | A kind of distribution silicon steel oil-immersed transformer high-low voltage leads mounting structure |
| CN113889947A (en) * | 2020-07-02 | 2022-01-04 | 大众汽车股份公司 | Bending device for bus bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1116745A (en) * | 1997-06-25 | 1999-01-22 | Fuji Electric Co Ltd | Resin-molded winding |
| CN2607221Y (en) * | 2003-03-19 | 2004-03-24 | 新疆特变电工股份有限公司 | Cold pressing copper tube and cold pressing mould for welding transformer lead wire |
| CN101299395A (en) * | 2008-03-26 | 2008-11-05 | 英博白云电气技术（扬州）有限公司 | Method for manufacturing reactor coil wire lead |
| CN202763276U (en) * | 2012-09-14 | 2013-03-06 | 保定天威集团有限公司 | Welding device of transformer leads |
| CN103474228A (en) * | 2013-09-06 | 2013-12-25 | 合肥鑫伟电力设备有限公司 | Low-voltage coiling lead fabrication process |
-
2015
- 2015-08-21 CN CN201510516607.XA patent/CN105097271B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1116745A (en) * | 1997-06-25 | 1999-01-22 | Fuji Electric Co Ltd | Resin-molded winding |
| CN2607221Y (en) * | 2003-03-19 | 2004-03-24 | 新疆特变电工股份有限公司 | Cold pressing copper tube and cold pressing mould for welding transformer lead wire |
| CN101299395A (en) * | 2008-03-26 | 2008-11-05 | 英博白云电气技术（扬州）有限公司 | Method for manufacturing reactor coil wire lead |
| CN202763276U (en) * | 2012-09-14 | 2013-03-06 | 保定天威集团有限公司 | Welding device of transformer leads |
| CN103474228A (en) * | 2013-09-06 | 2013-12-25 | 合肥鑫伟电力设备有限公司 | Low-voltage coiling lead fabrication process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444376A (en) * | 2019-08-29 | 2019-11-12 | 绍兴迪艾仕机械设计有限公司 | A kind of distribution silicon steel oil-immersed transformer high-low voltage leads mounting structure |
| CN113889947A (en) * | 2020-07-02 | 2022-01-04 | 大众汽车股份公司 | Bending device for bus bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105097271B (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102903505A (en) | Transformer production process | |
| CN105097271A (en) | Semi-automatic cold weld pincers and assembly method for applying same to transformer lead | |
| CN204018943U (en) | The structure of parcel weldering micro-force sensing and the structure of amorphous wire parcel weldering micro-force sensing | |
| CN101996768A (en) | Process method of large-current impact resistant electric capacitor | |
| CN206789718U (en) | A kind of earthing clamp | |
| CN205539314U (en) | Portable distribution transformer side winding tester | |
| CN105632719B (en) | A kind of assembling structure of amorphous alloy oil immersion type distribution transformer high-voltage connection and preparation method thereof | |
| CN203674095U (en) | AC contactor | |
| CN205564482U (en) | Assembly structure of oily formula distribution transformer high tension lead of metallic glass | |
| CN207834122U (en) | A kind of capacitor outgoing line connection structure | |
| CN205004458U (en) | Union melt welding ground joint | |
| CN204464708U (en) | Power supply winding dish changeable type power input | |
| CN203631271U (en) | Novel connection structure of leading-out terminals and leading-out wires of high-voltage transformer | |
| CN209389277U (en) | A kind of high voltage test patchcord | |
| CN205564486U (en) | Metallic glass covers formula distribution transformer coil with oil | |
| CN104157430A (en) | Lower-iron-yoke shielding structure of transformer and manufacturing technology of lower-iron-yoke shielding structure of transformer | |
| CN108010753A (en) | A kind of capacitor outgoing line connection structure and preparation method thereof | |
| CN204681220U (en) | A kind of magnetic pole open ended coil the end of a thread fixture for forming | |
| CN106298191A (en) | A kind of foil type winding transformer and manufacture method thereof | |
| CN103915242B (en) | The manufacture method of a kind of soft lead-out wire low pressure winding and sealing wire thereof | |
| CN203858983U (en) | Capacitor core lead structure | |
| CN203850111U (en) | Soft-outgoing-line low-voltage winding | |
| CN103447706A (en) | Process for welding neutral points with leads of windings of driving motors of electric vehicles | |
| CN201859752U (en) | 220kV-level power transformer | |
| RU2608945C2 (en) | Device and method of stator windings efficient termination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Semi automatic cold crimping pliers and its assembly method used for transformer lead Effective date of registration: 20220121 Granted publication date: 20170125 Pledgee: Agricultural Bank of China Limited Ningbo Yinzhou Branch Pledgor: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2022330000149 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221201 Granted publication date: 20170125 Pledgee: Agricultural Bank of China Limited Ningbo Yinzhou Branch Pledgor: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2022330000149 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province, 315031 Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: No. 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province, 315031 Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |