CN114204287A - Anti-fracture copper-aluminum equipment wire clamp - Google Patents
Anti-fracture copper-aluminum equipment wire clamp Download PDFInfo
- Publication number
- CN114204287A CN114204287A CN202111571770.8A CN202111571770A CN114204287A CN 114204287 A CN114204287 A CN 114204287A CN 202111571770 A CN202111571770 A CN 202111571770A CN 114204287 A CN114204287 A CN 114204287A
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- Prior art keywords
- wire
- pin
- sliding
- fixed
- matched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a fracture-preventing copper-aluminum equipment wire clamp, which relates to the technical field of power grid equipment and comprises a fixing frame, a wire pressing block, a transformation assembly and a locking pin, wherein the wire pressing block is arranged on the fixing frame and matched with the locking pin, a wire needing to be clamped is inserted into a threading pipe, the locking pin is manually pulled out, the wire pressing block is rotated through a torsion spring, is fixed through a clamping hook, and is clamped by locking a locking clamping plate.
Description
Technical Field
The utility model relates to the technical field of power grid equipment, in particular to an anti-fracture copper-aluminum equipment wire clamp.
Background
The equipment wire clamp is mainly used for connecting a bus down lead of a substation with a wire outlet terminal of electrical equipment such as a transformer, a breaker, an isolating switch and a mutual inductor. The wire clamp is divided into two series of aluminum equipment wire clamp and copper-aluminum transition equipment wire clamp from the material aspect because the wire outlet terminal of the common electrical equipment is copper and aluminum, and the bus leading-out wire is aluminum leg wire or steel-cored aluminum stranded wire. In an electric power system, the quality of electric power equipment is the most important factor for safe and stable operation of a power grid, the wide use of copper-aluminum transition wire clamps in the construction of transformer stations in the nineties of the last century is a common phenomenon, but through years of practical inspection, the copper-aluminum transition wires have the defects of the copper-aluminum transition wires, more and more transformer station accidents are caused by the breakage of the wire clamps, and great hidden dangers are brought to the stable operation of the power grid.
The Chinese utility model patent with publication number CN209418785U discloses an anti-fracture copper-aluminum transition equipment wire clamp, which relates to the technical field of copper-aluminum transition equipment wire clamps and comprises an aluminum wire clamp main body, wherein one end of the wire clamp main body is provided with a wire placing groove and a wire pressing assembly across the wire placing groove; a through hole is formed in one side, away from the wire placing groove, of the wire clamp main body, a copper plate is welded in the through hole, and a connecting hole penetrating through the copper plate is formed in the middle of the copper plate; the anti-fracture copper-aluminum transition equipment wire clamp disclosed by the utility model is characterized in that a through hole is formed in an aluminum wire clamp main body, a copper plate is welded in the through hole, the copper-aluminum equipment wire clamp is prevented from being fractured and upwarped, the wire clamp adopts nut fastening to fix the wire clamp, and the wire is compressed through extrusion pressure, so that the wire clamp is simple in form; although the wire clamp has the characteristic of simple structure, the wire clamp can be used for a long time in an indoor working environment, but is exposed in a high-temperature and high-pressure working environment for a long time, and can cause the situation that a wire is not tight due to screw corrosion caused by ice, snow and rain, and can drop and break, and if the wire clamp needs to be folded in a specific environment, the wire clamp cannot be deformed to meet the environmental requirement, and in the installation operation, due to the limitation of construction conditions, workers need to fasten bolts in high-altitude operation, and need to carry operating tools such as a pencil, a screwdriver and the like in excess, on one hand, the operation efficiency is reduced, on the other hand, potential safety hazards are caused, and the bolt torque cannot reach the standard in the operation, the installation standards of all the wire clamps cannot be ensured to reach the standard under the operation condition of heavy quantity, so that the wire clamp can be prevented from breaking, can be changed in shape and can be installed quickly, the problem and difficulty in the prior art are improved without the wire clamp of other auxiliary tools.
Disclosure of Invention
The utility model discloses a fracture-preventing copper-aluminum equipment wire clamp aiming at the technical problem, which comprises a fixing frame and is characterized in that: the wire pressing block is fixedly arranged on the fixing frame and is divided into two parts, a first threading pipe is arranged on the first part and can be used for a required wire to penetrate, a clamping hook is further arranged on the first part and is used for fixing a second part which is turned over, a cam is fixedly arranged on the first part, a torsion spring is arranged in the cam, the second part is rotatably arranged on the first part and is matched with the torsion spring in the cam, the locking pin is arranged on one side, adjacent to the fixing frame, of the second part, a second threading pipe through which a power supply wire can penetrate is arranged on the second part, the first threading pipe and the second threading pipe are positioned on the same axis and have the same radius, a locking pressing plate is arranged in the second part, and the second part is matched and rotated with the torsion spring through manual pulling of the locking pin, the second part is matched and fixed with the clamping hook, and the electric wire is locked through the locking pressing plate.
Further, the mount includes the structural support, and structural support fixed mounting connects the fixed block on connecting the fixed block, connects fixed block fixed mounting on fixed pin I.
Furthermore, the wire pressing block comprises a first wire pipe, the first wire pipe is fixedly arranged on the first part, a sliding pin is fixedly arranged on the clamping hook, the sliding pin is slidably arranged on the first part, and a return spring I is matched between the sliding pin and the first part; the cam is fixedly provided with a fixed shaft which is matched with the torsion spring, the second part is fixedly provided with a sliding rod, and the sliding rod is fixedly provided with the torsion spring.
Furthermore, the locking pin comprises a pull ring, a lock pin is installed on the pull ring, the lock pin is installed on the fixing frame in a sliding mode, and a return spring II is matched between the fixing frame and the lock pin.
Furtherly, the transform subassembly includes first link, and first link is fixed to be equipped with fixed pin I, rotates the one end that is equipped with the connection arm of force on the fixed pin I, and the other end of connecting the arm of force rotates to be installed on the second link, and the fixed cavity connecting block I that is equipped with on the second link, fixed cavity connecting block II that is equipped with on the first link, cavity connecting block II with the cooperation has the connecting axle between the cavity connecting block I.
Further, the clamping assembly comprises a sliding shaft, the sliding shaft is slidably mounted on the structural support, a return spring III is installed between one end of the sliding shaft and the structural support in a matched mode, and a long clamping hook is fixedly installed at the other end of the sliding shaft.
Furthermore, the fixed frame is provided with two groups which are connected by the transformation component.
Furthermore, the line pressing blocks are provided with six groups, and three groups of line pressing blocks are arranged on each group of fixing frames.
Further, the fixing frame can realize linkage deformation and locking of the wire clamp shape through the transformation assembly.
Compared with the prior art, the utility model has the beneficial effects that: (1) the cable pressing block is arranged, the cable can be installed through quick lead penetration of the cable pressing block, and the operation is simple and clear; (2) the locking pin is arranged, the locking pin is pulled to perform quick corner locking, the wire is quickly fixed and pressed, and the problem of quick installation in operation is solved; (3) the utility model is provided with the torsion spring, manual pressing by workers is not needed, and the automation degree is high; (4) the transformation assembly provided by the utility model can be in linkage deformation and locking in a double-form manner, and the transverse connection posture or the vertical connection posture is changed according to requirements, so that the structural rigidity of the utility model is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a cross-sectional view of a punch according to the present invention.
FIG. 3 is a schematic view of the whole of the wire pressing block of the present invention.
FIG. 4 is a schematic diagram of a transformation assembly of the present invention.
Figure 5 is a schematic view of the locking assembly of the present invention.
FIG. 6 is a cross-sectional view of the wire crimping block of the present invention after being flipped.
Reference numerals: 1-a fixed mount; 2-pressing line blocks; 3-locking pin; 4-a transformation component; 5-a clamping assembly; 101-connecting a fixed block; 102-a structural support; 201-a first threading tube; 202-clamping hook; 203-sliding pin; 204-a return spring I; 205-a rotation module; 206-a cam; 207-a fixed shaft; 208-a torsion spring; 209-a second threading tube; 210-locking the pressure plate; 211-sliding bar; 301-a pull ring; 302-a locking pin; 303-a return spring II; 401 — a first link frame; 402-fixed pin I; 403-connecting force arm; 404-fixing pin II; 405-a second connecting rack; 406-hollow connecting block i; 407-a connecting shaft; 408-a hollow connecting block II; 501-a sliding shaft; 502-return spring iii; 503-Long hook.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example (b): as shown in a fixed frame 1, the anti-fracture copper-aluminum equipment wire clamp comprises a fixed frame 1, wherein a wire pressing block 2, a locking pin 3, a transformation assembly 4 and a clamping assembly 5 are arranged on the fixed frame 1.
As shown in fig. 2, 3 and 6, the thread pressing block 2 is provided with two parts, the first part is fixedly arranged on the structural support 102 through screws, a first thread pipe 201 is arranged on the first part, the first thread pipe 201 penetrates through the first part, a clamping hook 202 is arranged at the lower end of the first part, the clamping hook 202 is arranged on the first part in a sliding mode through a sliding pin 203, a return spring I204 is arranged between the sliding pin 203 and the first part in a matching mode, the clamping hook 202 is contracted and clamped through the elastic force of the return spring I204, a rotating module 205 is arranged at the lower end of the first part, the second part is arranged on the first part in a rotating mode through the rotating module 205, a second thread pipe 209 is arranged on the second part, the radius of the second thread pipe 209 is the same as that of the first thread pipe 201, when in an initial state, the axis of the second thread pipe 209 is in the same straight line with that of the first thread pipe 201, a pin hole is arranged at the upper end of the second part, the locking device is matched with the locking pin 3 through a pin hole, a locking pressure plate 210 is arranged at the lower end of the second part, a cam 206 is fixedly arranged on the first part, a sliding rail is arranged in the cam 206, a torsion spring 208 is arranged on the cam 206, one end of the torsion spring 208 is fixedly arranged on the cam 206, the other end of the torsion spring 208 is fixedly arranged on a sliding rod 211, and the sliding rod 211 is fixedly arranged on the second part.
As shown in fig. 1 and 2, the locking pin 3 includes a pull ring 301, the pull ring 301 is disposed on a hole at one end of a lock pin 302, the lock pin 302 is slidably disposed on the structural bracket 102, the other end of the lock pin 302 is engaged with a pin hole at the upper end of the second portion, and a return spring ii 303 is engaged between the structural bracket 102 and the lock pin 302.
As shown in fig. 4, the conversion assembly 4 includes a first connecting frame 401, two opposite faces of the first connecting frame 401 are respectively provided with a fixing pin i 402, the fixing pin i 402 is provided with a connecting force arm 403 in a rotating manner, the two connecting force arms 403 are further installed on two fixing pins ii 404 in a rotating manner, the two fixing pins ii 404 are fixedly arranged on two opposite faces of a second connecting frame 405, the lower end of the first connecting frame 401 is provided with a hollow connecting block ii 408, the lower end of the second connecting frame 405 is provided with a hollow connecting block i 406, the hollow connecting block i 406 is matched with the hollow connecting block ii 408, and a connecting shaft 407 is slidably arranged in hollow holes of the hollow connecting block i 406 and the hollow connecting block ii 408.
As shown in fig. 5, the clamping assembly 5 includes a sliding shaft 501, the sliding shaft 501 is slidably disposed at the lower end of the structural support 102, a return spring iii 502 is fitted between one end of the sliding shaft 501 and the structural support 102, a long hook 503 is fixedly disposed at the other end of the sliding shaft 501, and the sliding shaft 501 and the return spring iii 502 are disposed at both ends of the long hook 503.
As shown in fig. 1 and 4, the fixing frame 1 includes a structural support 102, two sets of connection fixing blocks 101 are fixedly disposed on the structural support 102, each connection fixing block 101 is fixedly disposed on a fixing pin i 402, and two other sets of connection fixing blocks 101 are also fixedly disposed on two fixing pins ii 404.
As shown in fig. 1, 3 and 4, a connection fixing block 101 and a structural support 102 are respectively arranged at two ends of the conversion assembly 4, three groups of line pressing blocks 2 are uniformly arranged inside each structural support 102, and a group of locking pins 3 are arranged at the upper end of each group of line pressing blocks 2.
The working principle is as follows: when the cable pressing block is in an initial state, the first threading pipe 201 of the first part of the cable pressing block 2 and the second threading pipe 209 of the second part are on the same straight line, in operation, a cable needing to be clamped is inserted into the first threading pipe 201 and penetrates through the second threading pipe 209, the pull ring 301 is pulled manually, the pull ring 301 drives the lock pin 302 to be separated from the pin hole, a torsion spring 208 inside the cam 206 drives a sliding rod 211 to slide in a sliding rail arranged on the cam 206, the sliding rod 211 drives the second part to overturn, the second part overturns to drive the cable to be bent, the upper end of the second part is clamped by the clamp hook 202, and the locking pressing plate 210 slides to clamp the cable and realizes clamping to the second threading pipe 209.
The device can change two kinds of gestures of horizontal connection and found according to the demand, changes subassembly 4 through rotating, makes cavity connecting block I406 and cavity connecting block II 408 coincidence, and long clamp hook 503 presss from both sides tight another group of structural support 102 through the elasticity momentum of reset spring III 502, realizes the conversion of two kinds of gestures.
Claims (8)
1. The utility model provides a prevent copper aluminium terminal connector that splits, includes mount (1), its characterized in that: the wire pressing block (2) is fixedly arranged on the fixing frame (1), the wire pressing block (2) is divided into two parts, a first wire passing pipe (201) is arranged on the first part and can be used for a required wire to penetrate, a clamping hook (202) is further arranged on the first part and is used for fixing a second part which is turned over, a cam (206) is fixedly arranged on the first part, a torsion spring (208) is arranged in the cam (206), the second part is rotatably arranged on the first part and is matched with the torsion spring (208) in the cam (206), the locking pin (3) is arranged on one surface of the second part adjacent to the fixing frame (1), a second wire passing pipe (209) capable of allowing a power supply wire to pass is arranged on the second part, the first wire passing pipe (201) and the second wire passing pipe (209) are on the same axis and have the same radius, a locking pressing plate (210) is arranged in the second part, the second part is matched with the torsion spring (208) and rotates by manually pulling out the locking pin (3), so that the second part is matched and fixed with the clamping hook (202), and the electric wire is locked by the locking pressing plate (210).
2. The anti-fracture copper-aluminum equipment wire clamp of claim 1, characterized in that: the fixing frame (1) comprises a structure support (102), the structure support (102) is fixedly installed on a connecting fixing block (101), and the connecting fixing block (101) is fixedly installed on a fixing pin I (402).
3. The anti-fracture copper-aluminum equipment wire clamp of claim 1, characterized in that: the wire pressing block (2) comprises a first wire penetrating pipe (201), the first wire penetrating pipe (201) is fixedly installed on the first portion, a sliding pin (203) is fixedly installed on the clamping hook (202), the sliding pin (203) is installed on the first portion in a sliding mode, and a return spring I (204) is matched between the sliding pin (203) and the first portion; a fixed shaft (207) is fixedly arranged on the cam (206), the fixed shaft (207) is matched with the torsion spring (208), a sliding rod (211) is fixedly arranged on the second part, and the torsion spring (208) is fixedly arranged on the sliding rod (211).
4. The anti-fracture copper-aluminum equipment wire clamp of claim 1, characterized in that: the locking pin (3) comprises a pull ring (301), a lock pin (302) is installed on the pull ring (301), the lock pin (302) is installed on the fixed frame (1) in a sliding mode, and a return spring II (303) is matched between the fixed frame (1) and the lock pin (302).
5. The anti-fracture copper-aluminum equipment wire clamp of claim 1, characterized in that: transform subassembly (4) including first link (401), fixed pin I (402) are equipped with in first link (401), rotate the one end that is equipped with the connection arm of force (403) on fixed pin I (402), and the other end of connecting arm of force (403) rotates and installs on second link (405), and fixed cavity connecting block I (406) of being equipped with on second link (405), fixed cavity connecting block II (408) of being equipped with on first link (401), cavity connecting block II (408) with cooperation has connecting axle (407) between cavity connecting block I (406).
6. The anti-fracture copper-aluminum equipment wire clamp of claim 2, characterized in that: the clamping assembly (5) comprises a sliding shaft (501), the sliding shaft (501) is slidably mounted on the structure support (102), a return spring III (502) is mounted between one end of the sliding shaft (501) and the structure support (102) in a matched mode, and a long clamping hook (503) is fixedly mounted at the other end of the sliding shaft (501).
7. The anti-fracture copper-aluminum equipment clamp of claim 5, characterized in that: the fixing frames (1) are provided with two groups which are connected by the transformation component (4).
8. The anti-fracture copper-aluminum equipment wire clamp of claim 1, characterized in that: the wire pressing blocks (2) are provided with six groups, and three groups of wire pressing blocks (2) are arranged on each group of fixing frames (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571770.8A CN114204287B (en) | 2021-12-21 | 2021-12-21 | Anti-fracture copper-aluminum equipment wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571770.8A CN114204287B (en) | 2021-12-21 | 2021-12-21 | Anti-fracture copper-aluminum equipment wire clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114204287A true CN114204287A (en) | 2022-03-18 |
| CN114204287B CN114204287B (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111571770.8A Active CN114204287B (en) | 2021-12-21 | 2021-12-21 | Anti-fracture copper-aluminum equipment wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114204287B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1402280A (en) * | 1972-12-04 | 1975-08-06 | British Insulated Callenders | Electric connections |
| CN203883155U (en) * | 2014-06-06 | 2014-10-15 | 固力发集团有限公司 | Device wire clamp |
| CN205680800U (en) * | 2016-06-21 | 2016-11-09 | 金锢电气有限公司 | The cuprum aluminum wire clamp of crack resistence |
| CN208571537U (en) * | 2018-08-03 | 2019-03-01 | 保定方圆电力线路器材有限公司 | A kind of anti-fracture suspension clamp |
| CN209418785U (en) * | 2018-12-25 | 2019-09-20 | 国网四川省电力公司泸州供电公司 | A kind of anti-fracture copper-aluminium transition equipment cable clamp |
| CN209488133U (en) * | 2019-04-21 | 2019-10-11 | 山东特瑞电力器材有限公司 | A kind of high voltage power transmission divides route Anti-galloping counterweight more |
| EP3555963A1 (en) * | 2016-12-15 | 2019-10-23 | Legrand France | Electrical connection element equipped with a contact element |
| CN110783723A (en) * | 2019-11-21 | 2020-02-11 | 吴聪聪 | Self-adaptive copper-aluminum transition wire clamp device for 10kV line transformer |
| CN210468174U (en) * | 2019-10-25 | 2020-05-05 | 长缘电力科技有限公司 | Copper-aluminum wiring terminal with connection protection structure |
| CN212114055U (en) * | 2020-07-13 | 2020-12-08 | 保定鑫宝电器有限公司 | Copper-aluminum wire clamp not easy to break |
| CN213936568U (en) * | 2021-01-14 | 2021-08-10 | 江苏曼龙科技有限公司 | Shockproof double-wire copper-aluminum transition equipment wire clamp |
| CN214625407U (en) * | 2021-01-29 | 2021-11-05 | 南京创通管业有限公司 | Anti-fracture copper-aluminum transition wire clamp |
-
2021
- 2021-12-21 CN CN202111571770.8A patent/CN114204287B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1402280A (en) * | 1972-12-04 | 1975-08-06 | British Insulated Callenders | Electric connections |
| CN203883155U (en) * | 2014-06-06 | 2014-10-15 | 固力发集团有限公司 | Device wire clamp |
| CN205680800U (en) * | 2016-06-21 | 2016-11-09 | 金锢电气有限公司 | The cuprum aluminum wire clamp of crack resistence |
| EP3555963A1 (en) * | 2016-12-15 | 2019-10-23 | Legrand France | Electrical connection element equipped with a contact element |
| CN208571537U (en) * | 2018-08-03 | 2019-03-01 | 保定方圆电力线路器材有限公司 | A kind of anti-fracture suspension clamp |
| CN209418785U (en) * | 2018-12-25 | 2019-09-20 | 国网四川省电力公司泸州供电公司 | A kind of anti-fracture copper-aluminium transition equipment cable clamp |
| CN209488133U (en) * | 2019-04-21 | 2019-10-11 | 山东特瑞电力器材有限公司 | A kind of high voltage power transmission divides route Anti-galloping counterweight more |
| CN210468174U (en) * | 2019-10-25 | 2020-05-05 | 长缘电力科技有限公司 | Copper-aluminum wiring terminal with connection protection structure |
| CN110783723A (en) * | 2019-11-21 | 2020-02-11 | 吴聪聪 | Self-adaptive copper-aluminum transition wire clamp device for 10kV line transformer |
| CN212114055U (en) * | 2020-07-13 | 2020-12-08 | 保定鑫宝电器有限公司 | Copper-aluminum wire clamp not easy to break |
| CN213936568U (en) * | 2021-01-14 | 2021-08-10 | 江苏曼龙科技有限公司 | Shockproof double-wire copper-aluminum transition equipment wire clamp |
| CN214625407U (en) * | 2021-01-29 | 2021-11-05 | 南京创通管业有限公司 | Anti-fracture copper-aluminum transition wire clamp |
Non-Patent Citations (1)
| Title |
|---|
| 张金堂等: "铜铝过渡设备线夹断裂的防范措施", 《科技致富向导》 * |
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| Publication number | Publication date |
|---|---|
| CN114204287B (en) | 2022-11-15 |
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Denomination of invention: A kind of anti-fracture copper and aluminum equipment clamp Effective date of registration: 20230202 Granted publication date: 20221115 Pledgee: China Postal Savings Bank Co.,Ltd. Jining Branch Pledgor: SHANDONG TERUI ELECTRIC POWER EQUIPMENT Co.,Ltd. Registration number: Y2023980031914 |
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