CN221080900U - Self-locking and self-cooling gasket for power connector - Google Patents
Self-locking and self-cooling gasket for power connector Download PDFInfo
- Publication number
- CN221080900U CN221080900U CN202323025015.7U CN202323025015U CN221080900U CN 221080900 U CN221080900 U CN 221080900U CN 202323025015 U CN202323025015 U CN 202323025015U CN 221080900 U CN221080900 U CN 221080900U
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- self
- gasket
- locking
- gasket body
- bolt
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 8
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 7
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007334 memory performance Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to the field of gaskets for electric power, in particular to a self-locking and self-cooling gasket for an electric power connector. The electric transmission line pressing device comprises a gasket body and a top foot, wherein a central through hole is formed in the gasket body, the central through hole in the gasket body penetrates through a bolt, the gasket body presses the electric transmission line through the bolt, and the top foot is bent through punching on the gasket body. The electric power connector self-locking self-cooling gasket top foot is restored to form a certain included angle with the ring surface from being parallel to the ring surface after sensing temperature, positive pressure along the axis direction of the bolt is output, the loosening gap of the bolt is filled, the bolt is enabled to restore the fastening function, the reliability of the connecting position of the wire clamp is ensured, and various accidents are avoided.
Description
Technical Field
The utility model relates to the field of gaskets for electric power, in particular to a self-locking and self-cooling gasket for an electric power connector.
Background
Bolts are generally used in a power system to connect joints between power lines, the power lines are exposed outdoors for a long time, the running environment is complex, and the problems of rust, abrasion, heating and the like of line equipment are easy to occur, wherein the joint heating is one of the problems frequently occurring in the running of a power transmission line. If the electric energy is not eliminated in time, normal transportation of generated energy can be influenced, the joint generates heat, and when serious, a fusing accident can occur, so that a non-stop accident is caused. One of the main causes of joint heat generation is the increase in joint contact resistance caused by failure of the bolt tightening action.
The self-locking and self-cooling gasket for the electric power connector can avoid the heating problem caused by the increase of contact resistance of the connector due to the failure of the fastening action of the bolt. The self-locking self-cooling gasket has the key points that the self-locking self-cooling gasket has shape memory performance, when the joint reaches the overheat temperature regulated by the power industry due to loosening and heating, the self-locking self-cooling gasket of the power joint changes phase at the overheat temperature, the top leg spontaneously recovers to form a certain included angle with the annular surface from being parallel to the annular surface, the loose gap of the bolt is filled, and positive pressure perpendicular to the gasket direction is output, so that the bolt recovers the fastening function, the contact resistance is effectively reduced, and the heating phenomenon of the contact point is relieved.
Disclosure of utility model
The utility model aims to provide a self-locking and self-cooling gasket for an electric power connector, which comprises a gasket body, wherein a central through hole is arranged on the gasket body and is in a ring surface, and a certain bending angle is formed between a top foot and the gasket body. The self-locking self-cooling gasket has the shape memory performance of the power connector, namely, the phase is changed into a parent phase super-elastic state after being heated, and the deformation restoring force is spontaneously generated, so that the defect of loosening at the joint is overcome, the intelligent fastening and anti-loosening effects are achieved, and the fastening connection of bolts is further ensured.
The utility model provides an electric power joint self-locking is from cooling gasket, includes gasket body and top foot, is equipped with central through-hole on the gasket body, and the central through-hole on the gasket body penetrates the bolt, and the gasket body compresses tightly transmission line through the bolt, and the punching press is buckled out the top foot on the gasket body.
The gasket body is stamped and bent to form a plurality of top feet, and the plurality of top feet are distributed at equal intervals.
The stamping and bending directions of the adjacent top pins are different.
The material of the top pin is NiTi-based memory alloy.
The bending angle of the top foot and the gasket body is 10-90 degrees.
The number of the top feet is 4-6.
The preferable 6 top feet have shape memory performance, can generate super-elastic state transition from martensite phase to parent phase when sensing the rise of the ambient temperature, and the 6 top feet spontaneously recover from being parallel to the annular surface to form an included angle of 10-90 degrees with the annular surface and output elastic force. When the device is used in the bolt fastening of a power system, the shape can be spontaneously recovered after the temperature rise of the contact point of the connecting end face is perceived, and the device has a spontaneous locking effect along with the positive pressure output along the axis direction of the bolt, so that the contact resistance of the joint is reduced, and the heating of the joint is effectively relieved.
The electric power joint formed by the gaskets is self-locked and self-cooled, has the advantages of acid and alkali corrosion resistance, good weather resistance, long service life and stable mechanical property, and is not easy to lose elasticity and generate plastic deformation due to high temperature.
Compared with the common spring washer, the spring washer has the advantages that:
1. The utility model is made of NiTi-based memory alloy, has a shape memory function, is matched with a bolt for use, and can be fastened automatically when the installation part heats so as to prevent accidents caused by overheat of contact points. The electric power connector self-locking self-cooling gasket top foot temperature sensing device comprises a connecting end face of a jumper wire clamp, a connecting end face of the jumper wire clamp is connected with a connecting end face of the jumper wire clamp, the connecting end face of the jumper wire clamp is connected with a connecting end face of the jumper wire clamp, and the connecting end face of the jumper wire clamp is connected with a connecting end face of the jumper wire clamp.
2. The utility model is not limited by the climate condition, and the elastic deformation is generated at high temperature, so that the locking state of the joint is permanently maintained. The utility model relates to the technical field of power system fasteners, which is used for fastening a power joint bolt, and can spontaneously output deformation restoring force after heating due to loosening of the bolt and increase of contact resistance, so that an intelligent fastening effect is achieved by filling a loosening gap, the contact resistance at a joint is reduced, and heating of the joint is effectively relieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the installation of the present utility model;
Fig. 3 is a schematic diagram of the bending and opening operation of the self-locking and self-cooling gasket of the power connector.
Detailed Description
The utility model provides a self-locking self-cooling gasket of electric power joint, includes gasket body 1 and top foot 1-1, is equipped with central through-hole on the gasket body 1, and the bolt is penetrated to the central through-hole on the gasket body 1, and gasket body 1 compresses tightly transmission line through the bolt, and the punching press is buckled out top foot 1-1 on the gasket body 1.
The gasket body 1 is punched and bent to form a plurality of top pins 1-1, and the plurality of top pins 1-1 are distributed at equal intervals. The stamping and bending directions of the adjacent top feet 1-1 are different. The material of the top pin 1-1 is a NiTi-based memory alloy. The bending angle of the top pin 1-1 and the gasket body 1 is 10-90 degrees. The number of the top feet 1-1 is 4-6.
Examples: the utility model provides a self-locking and self-cooling gasket for an electric power connector, which comprises a gasket body 1, wherein the gasket body 1 is provided with a central through hole, the whole structure is annular, and top pins 1-1 are uniformly distributed on the upper annular surface and the lower annular surface respectively, and the number of the top pins is 6 in the embodiment as shown in the figure. When the electric power connector is installed as shown in fig. 2, the electric power connector is self-locked and self-cooled gaskets are flattened and installed by being matched with the fastening of bolts, nuts and flat gaskets. When the joint generates heat due to the increase of contact resistance, the 6 top feet of the electric power joint self-locking self-cooling gasket can spontaneously recover to form a certain included angle with the annular surface from being parallel to the annular surface, the loose gap of the bolt is filled, and positive pressure perpendicular to the direction of the gasket is output, so that the bolt recovers the fastening function, the contact resistance is reduced, and the joint heat is effectively reduced. In the device, the limit heating deformation temperature is controlled by selecting different NiTi-based memory alloys, and when the NiTi-based memory alloys exceed the heating deformation temperature, the top feet of the NiTi-based memory alloys start to deform and bend. The jacking leg continuously applies pressure to the power joint to prevent loosening, meanwhile, the contact resistance is reduced, the temperature of the power joint is reduced until the jacking leg is bent to the limit position, and an maintainer can tighten the bolts and nuts again, so that the power joint can be self-locked and self-cooled gaskets to recover. Not only ensure that the wire circuit keeps the state of compressing tightly continuously, the top foot is buckled moreover and is easy for the staff to look over the circuit and in time troubleshoot the fault point.
Claims (6)
1. The utility model provides a self-locking self-cooling gasket of electric power joint, its characterized in that includes gasket body (1) and top foot (1-1), is equipped with central through-hole on gasket body (1), and the central through-hole on gasket body (1) penetrates the bolt, and gasket body (1) compress tightly transmission line through the bolt, and punching press is buckled out top foot (1-1) on gasket body (1).
2. The self-locking and self-cooling gasket for the power connector according to claim 1, wherein a plurality of top pins (1-1) are punched and bent on the gasket body (1), and the plurality of top pins (1-1) are distributed at equal intervals.
3. The self-locking and self-cooling gasket for the power connector according to claim 2, wherein stamping and bending directions of the adjacent top feet (1-1) are different.
4. The self-locking and self-cooling gasket for the power connector according to claim 2, wherein the material of the top leg (1-1) is a NiTi-based memory alloy.
5. A self-locking and self-cooling gasket for an electrical power connector according to any one of claims 1 to 4, wherein the bending angle of the top leg (1-1) and the gasket body (1) is 10-90 °.
6. A self-locking and self-cooling gasket for an electric power connector according to claim 5, characterized in that the number of said pins (1-1) is 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025015.7U CN221080900U (en) | 2023-11-09 | 2023-11-09 | Self-locking and self-cooling gasket for power connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025015.7U CN221080900U (en) | 2023-11-09 | 2023-11-09 | Self-locking and self-cooling gasket for power connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221080900U true CN221080900U (en) | 2024-06-04 |
Family
ID=91253871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323025015.7U Active CN221080900U (en) | 2023-11-09 | 2023-11-09 | Self-locking and self-cooling gasket for power connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221080900U (en) |
-
2023
- 2023-11-09 CN CN202323025015.7U patent/CN221080900U/en active Active
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