CN218769236U - Transmission connecting rod for high-voltage isolating switch - Google Patents
Transmission connecting rod for high-voltage isolating switch Download PDFInfo
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- CN218769236U CN218769236U CN202221911167.XU CN202221911167U CN218769236U CN 218769236 U CN218769236 U CN 218769236U CN 202221911167 U CN202221911167 U CN 202221911167U CN 218769236 U CN218769236 U CN 218769236U
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Abstract
The utility model provides a transmission connecting rod for high-voltage isolation switch relates to high-voltage isolation switch's technical field, including long banding connecting pipe, there is the closing cap at its end fixing, and the middle part of closing cap is provided with the screw hole that the diameter is less than the internal diameter of connecting pipe, and the length direction of screw hole sets up along the length direction of connecting pipe, has the screw thread post at screw hole female connection, and threaded connection has fastening nut on the screw thread post, and fastening nut is used for the butt closing cap. The device has the advantage of reducing the possibility of self-breaking so as to improve the reliability of the high-voltage isolating switch.
Description
Technical Field
The utility model relates to a high voltage isolator's technical field especially relates to a transmission connecting rod for high voltage isolator.
Background
The high-voltage isolating switch ensures the safety of high-voltage electrical appliances and devices during maintenance work, plays a role of isolating voltage, cannot be used for cutting off, putting in load current and cutting off short-circuit current, and only can be used for certain switching operations without generating strong electric arcs, namely, the high-voltage isolating switch does not have an arc extinguishing function; the device is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single-column type, a double-column type and a three-column type according to the number of the insulating support columns, and optional equipment is arranged at each voltage class.
In the related art, one end of the transmission link is used to connect a transmission arm disposed on a rotating shaft of the isolating switch, and the other end is used to connect driving power.
The technical problems that in the prior art, because the angle between the rotating shaft and the transmission arm of each high-voltage isolating switch needs to be matched on site and then connected with a transmission connecting rod, the transmission connecting rod comprises a plurality of sections of pipe fittings which are sleeved with each other, the plurality of sections of pipe fittings are welded and fixed after being adjusted, the welding position has large welding stress, parts welded on site are inconvenient to check, and certain quality problems exist. The transmission connecting rod adopting the structure is easy to break in the using process, and the reliability of the high-voltage isolating switch is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the scheme provides the transmission connecting rod for the high-voltage isolating switch, and the problem that the reliability of the switch is influenced due to the fact that the transmission connecting rod of the high-voltage isolating switch is broken when the transmission connecting rod is used is solved.
According to the utility model discloses an embodiment, a transmission connecting rod for high pressure isolator, including long banding connecting pipe, there is the closing cap at its end fixing, and the middle part of closing cap is provided with the screw hole that the diameter is less than the internal diameter of connecting pipe, and the length direction of screw hole sets up along the length direction of connecting pipe, has the screw thread post at screw hole female connection, and threaded connection has fastening nut on the screw thread post, and fastening nut is used for the butt closing cap.
Through the technical scheme, when the device is used, the threaded columns arranged at the two ends of the connecting pipe are rotated according to the distance of the positions to be connected, so that the length of the device is appropriate, and after the device is adjusted, the fastening nut is rotated to abut against the sealing cover, so that the device can be installed on a high-voltage isolating switch; the parts of the transmission connecting rod with the structure can be produced and assembled outside, and the qualified product can be installed only after detection, so that the reliability of the high-voltage isolating switch is improved; when installing in high-pressure isolator, can adjust the overall length of transmission connecting rod through rotating the screw thread post, can not change the atress condition of this transmission connecting rod, and then improved the practicality of device.
Preferably, the cap is screwed on the end of the connecting tube.
Through the technical scheme, the transmission connecting rod of the structure has no welding structure, welding stress cannot exist, the possibility of fracture caused by overlarge internal stress can be reduced in the using process, the reliability of the device is further improved, and the reliability of the high-voltage isolating switch is further improved.
Preferably, a gasket component is arranged between the sealing cover and the fastening nut and comprises a flat gasket and an elastic gasket which are arranged on the threaded column in a penetrating mode.
Through above technical scheme, utilize the gasket subassembly that sets up on closing cap and fastening nut, can prevent to appear relatively rotating between this transmission connecting rod use, screw post and the connecting pipe, and change the relative length of this transmission connecting rod, further improve the reliability of device.
Preferably, a plurality of through holes are formed in the threaded column along the length direction of the threaded column.
Through above technical scheme, when installing transmission connecting rod in high-pressure isolator or adjusting its length, can wear to establish in the perforation with stock form component, apply the effort and rotate the screw thread post for this transmission connecting rod's installation, adjustment process are more convenient.
Preferably, a positioning plate is coaxially fixed at one end of the threaded column in the connecting pipe, and the positioning plate is a disc-shaped member, and the diameter of the positioning plate is larger than that of the threaded column and smaller than the inner diameter of the connecting pipe.
Through above technical scheme, utilize the setting to be located the locating plate of the one end of connecting tube at the screw thread post, can prevent when rotating the screw thread post, the possibility that the screw thread post breaks away from the closing cap.
Preferably, the outer side of the connecting pipe is wrapped and fixed with a heat-shrinkable shaping sleeve.
Through the technical scheme, after the transmission connecting rod is adjusted, the surface of the transmission connecting rod is coated with the heat-shrinkable tube, the heat-shrinkable tube is heated, and parts of the transmission connecting rod are fastened, so that the possibility of separation between the parts of the transmission connecting rod in the using process is reduced, and the reliability of the device is further improved; meanwhile, the anti-corrosion and weathering capacity of the device can be improved, and the service life of the device is prolonged.
Compared with the prior art, the utility model discloses one of following beneficial effect has at least:
1. the transmission connecting rod with the structure can be prefabricated and assembled outside, and meanwhile, quality inspection can be carried out to remove defective products;
2. by utilizing the structure that the sealing cover is connected with the end part of the connecting pipe in a threaded manner, the welding amount of the device can be further reduced, so that the possibility of existence of welding stress is reduced, the possibility of breakage of the transmission connecting rod is further reduced, and the reliability of the device is further improved;
3. the perforation arranged on the threaded column is utilized, the rod-shaped tool can be conveniently used for penetrating, the process of adjusting the total length of the transmission connecting rod by rotating the threaded column is more convenient, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 2 is a partial exploded view of FIG. 1;
fig. 3 is an enlarged view of a portion a of fig. 2.
In the drawings, wherein: 1. a connecting pipe; 2. sealing the cover; 21. a threaded hole; 3. a threaded post; 31. perforating; 32. positioning a plate; 4. fastening a nut; 5. a gasket assembly; 51. flattening the cushion; 52. and (6) elastic cushion.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
A transmission connecting rod for a high-voltage isolating switch is disclosed, and comprises a long connecting pipe 1, a sealing cover 2 is fixed at the end of the connecting pipe 1, a threaded hole 21 with the diameter smaller than the inner diameter of the connecting pipe 1 is formed in the middle of the sealing cover 2, the length direction of the threaded hole 21 is arranged along the length direction of the connecting pipe 1, a threaded column 3 is connected to the threaded hole 21 in an internal thread mode, a fastening nut 4 is connected to the threaded column 3 in a threaded mode, and the fastening nut 4 is used for being abutted to the sealing cover 2.
The transmission connecting rod of this structure can be prefabricated in the external world to carry out quality inspection to each spare part, reject unqualified product, be favorable to improving the quality of transmission connecting rod, install it back in high-pressure isolator again, with the reliability that improves the switch.
The long tubular member of the connection tube 1 may be a pipe with a structure such as a square pipe or a circular pipe, and is made of a circular pipe.
The sealing cover 2 is a tubular component with one closed end, the inner diameter of the tubular component is the same as the outer diameter of the connecting pipe 1, the end part of the connecting pipe 1 is provided with an external thread, the opening end of the sealing cover 2 is provided with an internal thread matched with the external thread arranged at the end part of the connecting pipe 1, and the sealing cover 2 is in threaded connection with the end part of the connecting pipe 1; a threaded hole 21 is formed in the closed end of the sealing cover 2, and the threaded hole 21 is coaxially arranged on the sealing cover 2.
Threaded post 3 is prior art, can obtain through the market purchase as required, and threaded post 3 and screw hole 21 adaptation. To increase the force that can be borne by the threaded post 3, the threads on the threaded post 3 may be rectangular threads.
The fastening nut 4 is prior art, and the fastening nut 4 and the threaded column 3 adaptation can adopt the nut preparation of purchasing through the market.
A gasket assembly 5 is arranged between the cover 2 and the fastening nut 4, the gasket assembly 5 comprises a flat gasket 51 and an elastic gasket 52 which are arranged on the threaded column 3 in a penetrating way, and the flat gasket 51 and the elastic gasket 52 can be obtained through market purchase. The washer assembly 5 can prevent the threaded column 3 fastened by the fastening nut 4 from rotating again, thereby improving the reliability of the transmission connecting rod.
When the overall length of the transmission connecting rod is adjusted, in order to facilitate the process of rotating the threaded column 3, a plurality of through holes 31 are formed in the threaded column 3 along the length direction of the threaded column, and the through holes 31 are perpendicular to the length direction of the threaded column 3; the threaded column 3 needs to be rotated, and a long-strip-shaped tool is arranged in the through hole 31 in a penetrating mode, so that the force arm can be increased to rotate, and the practicability of the device is improved.
A positioning plate 32 is coaxially fixed at one end of the threaded column 3 in the connecting pipe 1, the positioning plate 32 can be fixed at the end of the threaded column 3 by bolts, and the positioning plate 32 is a disc-shaped member with a diameter larger than the diameter of the threaded column 3 and smaller than the inner diameter of the connecting pipe 1. The positioning plate 32 is used to limit the stroke of the threaded stud 3 to reduce the possibility that the threaded stud 3 will disengage from the closure 2 during rotation, improving the reliability of the device.
When the threaded column 3 is installed, the threaded column 3 connected with the positioning plate 32 is firstly connected to the sealing cover 2 in a threaded manner, and then the sealing cover 2 is fixedly connected to the end part of the connecting pipe 1.
When the transmission connecting rod is installed on the high-voltage isolating switch for length adjustment, after the total length of the transmission connecting rod is adjusted, a heat-shrinkable sizing sleeve is fixedly coated on the outer side of the transmission connecting rod, and the sizing sleeve can be made of a heat-shrinkable tube and is heated, so that the sizing sleeve is stably coated on the outer side of the transmission connecting rod. The shaping sleeve can fasten all parts of the transmission connecting rod to fix the relative positions of all parts, so that the possibility of length change occurs again after the total length of the transmission connecting rod is adjusted.
The application discloses an implementation principle of a transmission connecting rod for a high-voltage isolating switch is:
all parts of the transmission connecting rod can be obtained through prefabrication, quality inspection can be carried out after the parts are produced, and then the transmission connecting rod is manufactured through assembly; the transmission connecting rod with the structure can improve the product quality of the transmission connecting rod and reduce the possibility of fracture; when installing it on high-voltage isolator, adjust the total length of transmission connecting rod as required, treat suitable back connect fixed can, need not weld between this transmission connecting rod's the main spare part, can reduce the existence of stress, install this transmission connecting rod back in high-voltage isolator, can improve high-voltage isolator's reliability.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A transmission connecting rod for a high-voltage isolating switch is characterized in that: the connecting pipe comprises a long-strip-shaped connecting pipe (1), a sealing cover (2) is fixed at the end of the connecting pipe, a threaded hole (21) with the diameter smaller than the inner diameter of the connecting pipe (1) is formed in the middle of the sealing cover (2), the length direction of the threaded hole (21) is arranged along the length direction of the connecting pipe (1), a threaded column (3) is connected to the threaded hole (21) in an internal thread mode, a fastening nut (4) is connected to the threaded column (3) in a threaded mode, and the fastening nut (4) is used for abutting against the sealing cover (2).
2. A drive link for a high voltage isolator as claimed in claim 1, wherein: the sealing cover (2) is in threaded connection with the end of the connecting pipe (1).
3. A drive link for a high voltage isolator as claimed in claim 1, wherein: be provided with gasket subassembly (5) between closing cap (2) and fastening nut (4), gasket subassembly (5) are including wearing to establish flat pad (51) and bullet pad (52) on screw post (3).
4. A drive link for a high voltage isolator as claimed in claim 1, wherein: a plurality of through holes (31) are formed in the threaded column (3) along the length direction of the threaded column.
5. A drive link for a high voltage isolator as claimed in claim 1, wherein: one end of the threaded column (3) in the connecting pipe (1) is coaxially fixed with a positioning plate (32), the positioning plate (32) is a circular plate-shaped component, and the diameter of the positioning plate is larger than that of the threaded column (3) and smaller than the inner diameter of the connecting pipe (1).
6. A drive link for a high voltage isolator as claimed in claim 1, wherein: the outer side of the connecting pipe (1) is coated and fixed with a heat-shrinkable shaping sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221911167.XU CN218769236U (en) | 2022-07-21 | 2022-07-21 | Transmission connecting rod for high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221911167.XU CN218769236U (en) | 2022-07-21 | 2022-07-21 | Transmission connecting rod for high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769236U true CN218769236U (en) | 2023-03-28 |
Family
ID=85691100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221911167.XU Active CN218769236U (en) | 2022-07-21 | 2022-07-21 | Transmission connecting rod for high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769236U (en) |
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2022
- 2022-07-21 CN CN202221911167.XU patent/CN218769236U/en active Active
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