CN211479925U - Scissor type isolating switch contact finger auxiliary clamping device - Google Patents
Scissor type isolating switch contact finger auxiliary clamping device Download PDFInfo
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- CN211479925U CN211479925U CN201922421094.0U CN201922421094U CN211479925U CN 211479925 U CN211479925 U CN 211479925U CN 201922421094 U CN201922421094 U CN 201922421094U CN 211479925 U CN211479925 U CN 211479925U
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Abstract
The utility model discloses a scissors formula isolator touches and indicates auxiliary clamping device, include: the support body is provided with a first support and a second support, the middle parts of the first support and the second support are hinged together, one ends of the first support and the second support are correspondingly formed into clamping ends for being connected with a circuit, the other ends of the first support and the second support are correspondingly formed into elastic ends, the clamping ends and the elastic ends can be opened and closed simultaneously, and the opening and closing degree of the clamping ends can be controlled by adjusting the opening and closing degree of the elastic ends; the opening and closing mechanism is arranged on the elastic end and used for controlling the opening and closing degree of the elastic end; the whole auxiliary clamping device is simple and labor-saving to disassemble and assemble, so that the independent maintenance work of technicians is facilitated, and the manpower and material resource expenditure for maintenance can be reduced; in addition, because the structure is compact, the parts can be prevented from flying and hurting people.
Description
Technical Field
The utility model belongs to the technical field of the switch, concretely relates to scissors formula isolator touches and indicates auxiliary clamping device.
Background
In an electric power transmission and distribution system, the clamp type isolating switch is widely applied to a transformer substation by virtue of the unique advantages of the structure. However, in the actual operation of the substation, as the operation time of the equipment increases, the clamping force at the contact finger of the contact is not enough due to the influence of series factors such as the looseness of parts and the change of the environment. The clamp force at the contact finger position is insufficient, so that the through-current capacity of a clamp area can be directly influenced, the temperature of the area is overhigh, the burning loss of the isolating switch can be caused under the serious condition, and therefore the power failure maintenance is needed when the condition of high temperature is found. The power supply system of the power grid in China is huge, the influence among all nodes is close, when the system has large operation load but needs to be overhauled in a power failure, the power supply system has to be switched off and limited, and the reliability of the power supply of the power grid is seriously influenced. For the above reasons, it is widely demanded to provide a solution that can perform maintenance operation directly under an electrified condition and temporarily solve the problem of insufficient clamping force at the contact finger of the contact.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a scissors formula isolator touches and indicates auxiliary clamping device, the easy simple and convenient to overhaul personnel live operation alone of operation.
According to the utility model discloses scissors formula isolator touches and indicates auxiliary clamping device, include:
the support comprises a support main body, a first support and a second support, wherein the middle parts of the first support and the second support are hinged together, one ends of the first support and the second support are correspondingly formed into clamping ends for being connected with a circuit, the other ends of the first support and the second support are correspondingly formed into elastic ends, the clamping ends and the elastic ends can be opened and closed simultaneously, and the opening and closing degree of the clamping ends can be controlled by adjusting the opening and closing degree of the elastic ends; and the opening and closing mechanism is arranged on the elastic end and used for controlling the opening and closing degree of the elastic end.
According to the utility model discloses scissors formula isolator touches and indicates auxiliary clamping device has following technological effect at least:
the utility model provides a scissors formula isolator touches and indicates supplementary clamping device, mainly used supplementary clamp pincers formula isolator's contact touches and indicates, touches the clamp force that indicates department through the improvement contact and guarantees the stability of nodal connection. Specifically, the main body of the auxiliary clamping device is arranged to be similar to a scissor-type main body structure, so that on one hand, the structure of the auxiliary clamping device can be greatly simplified, and on the premise of ensuring the clamping function, the light weight and the miniaturization of the auxiliary clamping device are realized, so that a technician can independently perform live operation; on the other hand, the scissors type main body structure is labor-saving, so that a technician can open and close the auxiliary clamping device through simple operation to disassemble and assemble the auxiliary clamping device; in addition, the number of parts of the whole auxiliary clamping device is small, and a closed structure is adopted, so that the situation that parts collapse and fly is not easy to happen, and the occurrence of accidents of hurting people can be avoided to a certain extent.
According to the utility model discloses a some embodiments, the mechanism that opens and shuts is provided with rotating-structure, rotating-structure rotationally installs between the upper end of elasticity end and the lower extreme, through rotating-structure is adjustable the degree of opening and shutting of elasticity end, easy operation and the technical staff's of being convenient for operation.
According to the utility model discloses a some embodiments, the mechanism of opening and shutting in still be provided with the elastic support structure between the upper end of elasticity end and the lower extreme to be used for the elasticity top to hold the upper end and the lower extreme of elasticity end make the elasticity end have certain reset function, also simplified technical staff's operation to a certain extent.
According to some embodiments of the invention, the elastic support structure is arranged on the rotating structure.
According to the utility model discloses a some embodiments, the upper end and the lower extreme of elasticity end all are provided with a connection structure, rotating-structure threaded connection passes connection structure, two connection structure all is provided with the internal thread, two the connection structure symmetry sets up and makes two connection structure's screw thread revolves to opposite for two connection structure can draw close each other or keep away from when rotating-structure rotates, thereby realize tightening up or relaxing of elasticity end.
According to some embodiments of the utility model, the upper end and the lower extreme of exposed core are provided with the latch of mutual closure to be used for improving the clamp force.
According to the utility model discloses a some embodiments, connection structure sets up to the connecting block, the connecting block is provided with the through-hole, be provided with in the through-hole the internal thread.
According to some embodiments of the utility model, the rotating-structure sets up to the pull rod, be provided with on the pull rod with the external screw thread of the internal thread adaptation of connecting block, the one end of pull rod is provided with one and is used for the pivoted fixed orifices.
According to some embodiments of the present invention, the elastic support structure is made of high modulus springs for improving the support and return capabilities.
According to some embodiments of the present invention, the first support and the second support are provided with an insulating pad on the inner wall of the clamping end for clamping to avoid the auxiliary clamping device to be energized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a scissor type disconnecting switch contact finger auxiliary clamping device;
FIG. 2-a schematic structural view of the first stent;
FIG. 3-schematic view of the structure of the connection block;
reference numerals:
the device comprises a first bracket 101, a second bracket 102, a connecting block 103, a spring 104 and a pull rod 105.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1-3, the utility model provides a scissors formula isolator touches and indicates supplementary clamping device, mainly used supplementary clamp pincers formula isolator's contact touches and indicates, touches the clamp force that indicates department through improving the contact and guarantees the stability that circuit node connects.
Specifically, as shown in fig. 1, the scissors-type disconnecting switch of the present invention comprises:
the support body is provided with a first support 101 and a second support 102, the middle parts of which are hinged together, one ends of the first support 101 and the second support 102 correspondingly form a clamping end for connecting a circuit, the other ends of the first support 101 and the second support 102 correspondingly form an elastic end, the clamping end and the elastic end can be opened and closed simultaneously, and the opening and closing degree of the clamping end can be controlled by adjusting the opening and closing degree of the elastic end;
the opening and closing mechanism is arranged on the elastic end and used for controlling the opening and closing degree of the elastic end.
In the structure, the composition essence of first support 101 and second support 102 provides a scissors formula's support major structure, scissors formula's support major structure has laborsaving, the advantage of being convenient for operate, the single dismouting operation that can realize auxiliary clamping device under the electrified condition of technical staff, for current auxiliary clamping device, the auxiliary clamping device that this application provided can make whole auxiliary clamping device have simpler structural composition, littleer size and lighter weight on the basis of realizing the centre gripping, thereby reach the intensity of labour who reduces technical staff, reduce its operating time's purpose, and can practice thrift manpower and material resources cost for maintenance work.
The present application further describes the specific structure and operation principle of the auxiliary clamping device according to the functions and purposes described above:
in consideration of the fact that the scissor-type support structure can be opened and closed in various ways, a method for meeting the requirement of live working needs to be selected. Specifically, since the technician often performs live-wire work through the insulating rod, the insulating rod can be used to control the opening and closing mechanism.
Specifically, according to some embodiments of the present invention, the opening and closing mechanism is provided with a rotating structure, the rotating structure is rotatably installed between the upper end and the lower end of the tightening end, the opening and closing degree of the tightening end can be adjusted by rotating the rotating structure, i.e. a technician fixes an insulating rod on the rotating structure, and the tightening end can be adjusted by rotating the rotating structure while the clamping end is fixed; particularly, the clamping ends can be fixed by a plurality of methods, and can be clamped by a clamping tool, or a connecting hole can be formed in the first support 101 or the second support 102, and an insulating rod is further installed through the connecting hole, so that a technician can fix one insulating rod and rotate the other insulating rod, and the disassembly and assembly operation of the switch can be conveniently completed by one person.
The elastic end is further designed here in order to increase the adjustment effect of the elastic end. According to the utility model discloses a further embodiment, the mechanism that opens and shuts still is provided with the elastic support structure between the upper end of elasticity end and lower extreme to be used for elasticity top to hold the upper end and the lower extreme of elasticity end.
Particularly, under the normal clamping state, the elastic supporting structure can be set to be compressed without force or compressed in advance to a certain degree, the pre-compression can provide a supporting force for the upper end and the lower end of the elastic end, and the clamping end is provided with the occlusal force, so that the clamping effect can be improved by the pre-compression.
Further, in view of the mounting of the resilient support structure, according to some embodiments of the present invention, the resilient support structure is disposed on the rotation structure.
Equally, consider the mounting of revolution mechanic, according to the utility model discloses a some embodiments, the upper end and the lower extreme of elasticity end all are provided with a connection structure, and revolution mechanic threaded connection passes connection structure, and two connection structures all are provided with the internal thread, and two connection structure symmetries set up and make two connection structure's screw thread revolve to opposite.
The opposite screwing directions of the threads have important significance, and the rotating structure can enable the connecting structures to be close to each other or be away from each other in the set state, so that the opening and closing degree of the elastic end can be adjusted, and the purpose of controlling the opening and closing of the clamping end is achieved.
Obviously, in order to improve the clamping capacity of the clamping end, a latch structure may also be provided, i.e. according to some embodiments of the present invention, as shown in fig. 1 and 2, the upper end and the lower end of the clamping end are provided with latches that are closed to each other for improving the clamping force.
Further, according to the utility model discloses a some embodiments, as shown in FIG. 3, connection structure sets up to connecting block 103, and connecting block 103 is provided with the through-hole, is provided with the internal thread in the through-hole to be used for threaded connection runing structure.
According to the utility model discloses a further embodiment, the rotating-structure sets up to pull rod 105, be provided with on pull rod 105 with the external screw thread of the internal thread adaptation of connecting block 103 to pull rod 105 threaded connection pull rod 105, one end self-connecting block 103 of pull rod 105 stretches out, and is provided with a fixed orifices at the end, so that insert, rotate pull rod 105 behind the fixed insulator spindle.
According to some embodiments of the present invention, the elastic support structure is made of high modulus spring 104 for improving the supporting and restoring effect.
The auxiliary clamping device is used for auxiliary clamping, so that no power is required. According to some embodiments of the present invention, the first support 101 and the second support 102 are provided with insulating pads on the inner wall of the clamping end for clamping to avoid the auxiliary clamping device to be energized.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a scissors formula isolator touches and indicates supplementary clamping device which characterized in that includes:
the support comprises a support body, a first support (101) and a second support (102) are arranged, the middle parts of the first support (101) and the second support (102) are hinged together, one ends of the first support (101) and the second support (102) correspondingly form clamping ends for connecting a circuit, the other ends of the first support (101) and the second support (102) correspondingly form elastic ends, the clamping ends and the elastic ends can be opened and closed simultaneously, and the opening and closing degree of the clamping ends can be controlled by adjusting the opening and closing degree of the elastic ends;
and the opening and closing mechanism is arranged on the elastic end and used for controlling the opening and closing degree of the elastic end.
2. A scissor type isolator finger assist grip as claimed in claim 1, wherein the opening and closing mechanism is provided with a rotation structure rotatably mounted between the upper and lower ends of the free end, the opening and closing degree of the free end being adjustable by rotating the rotation structure.
3. A scissor type disconnector finger auxiliary clamping device according to claim 2, wherein the opening and closing mechanism is further provided with an elastic support structure between the upper end and the lower end of the elastic end for elastically supporting the upper end and the lower end of the elastic end.
4. A scissor isolator finger assist grip as claimed in claim 3, wherein the resilient support structure is disposed through the pivot structure.
5. A scissor type isolator finger auxiliary clamping device according to claim 4, wherein the upper end and the lower end of the elastic end are provided with a connecting structure, the rotating structure is connected with and penetrates through the connecting structure in a threaded manner, the two connecting structures are provided with internal threads, and the two connecting structures are symmetrically arranged so that the thread directions of the two connecting structures are opposite.
6. A scissor isolator finger assist clamp as in claim 5 wherein the upper and lower ends of the clamp are provided with interengaging teeth for increased clamping force.
7. A scissor type disconnector finger auxiliary clamping device according to claim 6, characterized in that the connection structure is provided as a connection block (103), the connection block (103) is provided with a through hole, and the internal thread is provided in the through hole.
8. A scissor type disconnector finger auxiliary clamping device according to claim 7, characterized in that the rotating structure is a pull rod (105), the pull rod (105) is provided with an external thread adapted to the internal thread of the connecting block (103), and one end of the pull rod (105) is provided with a fixing hole for rotation.
9. A scissor isolator finger assist grip as in claim 8 wherein the resilient support structure is made of high modulus springs (104).
10. A scissor disconnector finger auxiliary clamping device according to any one of claims 1 to 9, characterized in that the first bracket (101) and the second bracket (102) are provided with insulating pads on the inner walls of the clamping ends for clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421094.0U CN211479925U (en) | 2019-12-27 | 2019-12-27 | Scissor type isolating switch contact finger auxiliary clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421094.0U CN211479925U (en) | 2019-12-27 | 2019-12-27 | Scissor type isolating switch contact finger auxiliary clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479925U true CN211479925U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922421094.0U Active CN211479925U (en) | 2019-12-27 | 2019-12-27 | Scissor type isolating switch contact finger auxiliary clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479925U (en) |
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2019
- 2019-12-27 CN CN201922421094.0U patent/CN211479925U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 393, Section 3, Jinxing North Road, Wangcheng Economic and Technological Development Zone, Changsha, Hunan 410219 Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Country or region after: China Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. Address before: 411400, No. 393, section 3, North Jinxing Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. Country or region before: China Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. |
|
| CP03 | Change of name, title or address |