CN210957634U - Power transmission and transformation circuit electric wire fixing device - Google Patents
Power transmission and transformation circuit electric wire fixing device Download PDFInfo
- Publication number
- CN210957634U CN210957634U CN201922182394.8U CN201922182394U CN210957634U CN 210957634 U CN210957634 U CN 210957634U CN 201922182394 U CN201922182394 U CN 201922182394U CN 210957634 U CN210957634 U CN 210957634U
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- fixing device
- screw rod
- electric wire
- connecting plate
- screw
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Abstract
The utility model relates to a power transmission and transformation circuit electric wire fixing device in power equipment field aims at solving the problem of adjusting the electric wire elasticity, it is including the fixing device who presss from both sides tight electric wire, the last alignment jig that is connected with of fixing device, the alignment jig includes the screw rod of the coaxial setting in link and link both ends, the reverse setting of external screw thread of two screw rods, be equipped with the connecting block of being connected with the screw rod on the link, be equipped with the through-hole that supplies the screw rod to pass on the connecting block, be equipped with the internal thread of being connected with corresponding screw rod on two through-hole inner walls, the one end and the fixing device that. The utility model discloses have the effect of conveniently adjusting the electric wire elasticity.
Description
Technical Field
The utility model belongs to the technical field of power equipment's technique and specifically relates to a power transmission and transformation circuit electric wire fixing device is related to.
Background
The transmission line is realized by boosting the electric energy generated by a generator by a transformer and then connecting the electric energy into the transmission line through control equipment such as a circuit breaker and the like, and has a structural form that the transmission line is divided into an overhead transmission line and a cable line, the overhead transmission line is composed of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like, the transmission line is erected on the ground, and the transmission line is divided into alternating current transmission and direct current transmission according to the property of transmission current.
The current chinese patent with publication number CN208257359U discloses a fixing device for electric wires of power transmission and transformation circuits, which comprises a fixing plate: the fixing plate comprises an upper fixing plate and a lower fixing plate, an upper groove is formed in the lower end of the upper fixing plate, and a lower groove is formed in the upper end of the lower fixing plate; the central position of bottom plate is provided with the central screw who runs through the bottom plate, is provided with the lead screw in the central screw, the lead screw upper end is provided with the electric wire briquetting, the lead screw lower extreme passes central screw and passes through the nut and be fixed together with the bottom plate.
When connecting the electric wire, because the electric wire is comparatively heavy, usually utilize the turn-buckle to tighten the electric wire to the position that needs to fix, then pass the electric wire through the fixed plate; through rotatory lead screw, can control the removal of electric wire briquetting, adjust the distance between electric wire briquetting and the upper groove, with the electric wire chucking on the fixed plate, then fix the fixed plate on the insulator of wall or wire pole.
The above prior art solutions have the following drawbacks: after the electric wire is connected with the fixing plate and connected with a wall or a telegraph pole, when the tightness of the electric wire needs to be adjusted in the process of completing inspection or later-stage line maintenance, the lead screw needs to be rotated, the distance between the electric wire pressing block and the upper groove is increased, the connection between the electric wire and the fixing plate is loosened, then the clamping position of the electric wire is readjusted, the electric wire is adjusted difficultly due to the fact that the gravity borne by the electric wire is large, and if the electric wire needs to be loosened, the situation that the length of the electric wire is insufficient can also occur, and the difficulty in readjusting the tightness of the electric wire is.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a power transmission and transformation circuit electric wire fixing device, it has the effect of conveniently adjusting the electric wire elasticity.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a power transmission and transformation circuit electric wire fixing device, is including the fixing device who presss from both sides tight electric wire, the last adjustment frame that is connected with of fixing device, the adjustment frame includes the screw rod of the coaxial setting in link and link both ends, two the external screw thread of screw rod sets up in reverse, be equipped with the connecting block of being connected with the screw rod on the link, be equipped with the through-hole that supplies the screw rod to pass on the connecting block, two be equipped with on the through-hole inner wall and correspond the internal thread that the screw rod is connected, arbitrary the one end that the link was kept away from to.
Through adopting above-mentioned technical scheme, the electric wire passes through fixing device and presss from both sides the back tightly, adjusts the distance that two screws stretched into the link, makes the distance between the relative terminal surface of two screws approximately equal to half of the distance between two connecting blocks, and the distance of two screws in the link is greater than unanimously simultaneously. After the adjustment is completed, the wire is tightened through the wire tightener, and one end, far away from the connecting frame, of the screw rod of the fixing device is fixed on the telegraph pole or the wall, so that the wire is fixed. When the tightness of the electric wire needs to be adjusted subsequently, the connecting frame is in threaded connection with the two reverse screws through the two connecting blocks, so that the two screws can be close to or far away from each other after the connecting frame is rotated, and the tightness of the electric wire is changed. The elasticity of the electric wire can be adjusted by adjusting the connection between the electric wire and the fixing device in a different way, and the elasticity of the electric wire can be adjusted by adjusting the distance between the two screw rods no matter the length of the joint between the electric wire and the fixing device, so that the operation of adjusting the electric wire is greatly facilitated.
The utility model discloses further set up to: the fixing device is a steel wire clamp, the steel wire clamp comprises a base and a U-shaped frame, the base is provided with a hole for the U-shaped frame to pass through, the opening end of the U-shaped frame is in threaded connection with a nut, and the U-shaped ring of the steel wire clamp is connected with a screw rod close to the fixing device.
Through adopting above-mentioned technical scheme, pass the electric wire between the U-shaped ring and the base of steel wire checkpost, rotate the nut towards the base, thereby reduce the distance between the base and the U-shaped frame with the electric wire clamp between U-shaped ring and base. The fixed connection between the U-shaped frame and the screw rods connects the electric wire with the adjusting frame, so that the tightness of the electric wire can be adjusted by adjusting the distance between the two screw rods.
The utility model discloses further set up to: the link includes at least two connecting rods around connecting block circumference evenly distributed.
Through adopting above-mentioned technical scheme, can observe the distance between two screws through the gap between the connecting rod, conveniently adjust the initial position of two screws. And the connecting rod of even setting can make the atress of connecting block more even, stabilizes the connection of connecting block and connecting rod, reduces the condition of connecting rod and connecting block separation. The fixing effect of the electric wire is stabilized.
The utility model discloses further set up to: the cross section of the connecting rod along the direction vertical to the axial direction of the connecting rod is a polygon.
Through adopting above-mentioned technical scheme, polygonal connecting rod makes things convenient for personnel to use instruments such as spanner to carry out the centre gripping to the connecting rod, makes things convenient for the rotation of control link, reduces to adjust apart from the time between two screw rods, improves the efficiency of adjusting the electric wire elasticity.
The utility model discloses further set up to: one end of any screw rod facing to the other screw rod is provided with a concave hole for accommodating the other screw rod.
Through adopting above-mentioned technical scheme, another screw rod can be held to the shrinkage pool on a screw rod, under the certain circumstances of alignment jig size, has enlarged the displacement scope of two screw rods, enlarges the scope that the alignment jig adjusted. When the range needing to be adjusted is fixed, the using amount of materials used by the adjusting frame can be reduced, and the cost is saved.
The utility model discloses further set up to: and a conical head is arranged on the end face of the screw rod opposite to the concave hole.
Through adopting above-mentioned technical scheme, the setting of conical head will be towards the terminal surface reduction of shrinkage pool, and the conical head possess littleer terminal surface at the in-process that the screw rod got into the shrinkage pool, compares during the terminal surface of screw rod gets into the shrinkage pool more easily, reduces the condition that screw rod and shrinkage pool border butt blocked, stabilizes the regulation effect of alignment jig.
The utility model discloses further set up to: and one end of the screw rod far away from the fixing device and far away from the adjusting frame is fixedly connected with a universal joint.
Through adopting above-mentioned technical scheme, the rotation of universal joint can make the alignment jig rotate at the relative wire pole of horizontal direction and vertical direction or wall, because the electric wire is under the action of gravity, the electric wire can present the department radian, and the electric wire that taut degree is not understood, the radian is also different, can keep keeping parallel with the tangent line of electric wire junction at any time at vertical direction pivoted alignment jig, reduces the deformation of alignment jig under the effect of electric wire pulling force. The adjusting frame capable of rotating around the horizontal direction can swing in the horizontal direction along with the swing of the electric wire when in wind blowing. The setting up of universal joint makes, and the axial direction of screw rod is followed all the time to the alignment jig atress, reduces the atress of other directions, reduces the buckling or other deformations of alignment jig, stabilizes the regulation effect of alignment jig.
The utility model discloses further set up to: the two end faces of the universal joint are provided with first connecting plates, one end, far away from the adjusting frame, of the screw rod of the fixing device is provided with a second connecting plate, the first connecting plate and the second connecting plate, close to the second connecting plate, are connected through bolts, and the first connecting plate, far away from the second connecting plate, is connected with a third connecting plate through bolts.
By adopting the technical scheme, the first connecting plate and the second connecting plate are connected through the bolt, so that the universal joint can be separated from the adjusting frame; after the third connecting plate is fixedly connected with the telegraph pole or the wall, the first connecting plate and the third connecting plate are connected through bolts, and the universal joint can be separated from the telegraph pole or the wall. The first connecting plate, the second connecting plate and the third connecting plate are arranged to facilitate the disassembly of the universal joint, the universal joint is convenient to replace, when the universal joint is damaged, the whole adjusting frame does not need to be replaced, and the cost is saved.
To sum up, the utility model discloses a beneficial technological effect does:
1. the tightness of the electric wire can be conveniently adjusted through the adjusting frame;
2. one screw can enter the concave hole of the other screw, so that the displacement ranges of the two screws are expanded;
3. the universal joint reduces the bending or other deformations of the adjusting bracket, and stabilizes the adjusting effect of the adjusting bracket.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the universal joint and the screw rod of the present invention.
Reference numerals: 1. a fixing device; 11. a U-shaped frame; 12. opening a hole; 13. a nut; 14. a base; 2. an adjusting bracket; 21. a connecting frame; 22. a connecting rod; 23. connecting blocks; 24. a through hole; 25. an internal thread; 26. a screw; 3. concave holes; 31. a conical head; 4. a universal joint; 41. a first connecting plate; 42. a second connecting plate; 43. and a third connecting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the electric wire fixing device for the power transmission and transformation circuit comprises a fixing device 1 for clamping electric wires, wherein the fixing device 1 is a steel wire clamp, the steel wire clamp comprises a base 14 and a U-shaped frame 11, an opening 12 for the U-shaped frame 11 to pass through is formed in the base 14, and a nut 13 is connected to the opening end of the U-shaped frame 11 in a threaded mode.
As shown in fig. 1 and 2, in order to adjust the tightness of the electric wire, the fixing device 1 is connected with an adjusting frame 2, the adjusting frame 2 includes a connecting frame 21 and screws 26 coaxially arranged at two ends of the connecting frame 21, the external threads of the two screws 26 are arranged in opposite directions, the connecting frame 21 is provided with a connecting block 23 connected with the screws 26, the connecting block 23 is provided with through holes 24 for the screws 26 to pass through, the inner walls of the two through holes 24 are provided with internal threads 25 connected with the corresponding screws 26, and the internal threads 25 in the two through holes 24 are also arranged in opposite directions; the end of any screw 26 remote from the connecting frame 21 is connected to the fixing device 1, in this embodiment, the U-shaped loop of the steel wire clip is connected to the screw 26 near the fixing device 1, and the screw 26 and the U-shaped loop are welded together.
As shown in fig. 1 and 2, in order to further expand the adjustment range of the adjustment frame 2, a concave hole 3 for accommodating the other screw 26 is formed at one end of any screw 26 facing the other screw 26. The end surface of the screw 26 opposite to the concave hole 3 is provided with a conical head 31, and one end of the tip of the conical head 31 faces the concave hole 3. In this embodiment, the conical head 31 is integrally provided with the screw 26, and the outer diameter of the screw 26 provided with the conical head 31 is smaller than the outer diameter of the screw 26 provided with the concave hole 3.
As shown in fig. 1 and 2, to further facilitate viewing of the distance between the threaded rods 26, the connecting frame 21 comprises at least two connecting rods 22 evenly distributed circumferentially around the connecting block 23. In this embodiment, two connecting rods 22 are oppositely arranged, and the connecting rods 22 are welded to the refining block. The cross section of the connecting rod 22 in the direction perpendicular to the axial direction of the connecting rod 22 is polygonal. Polygonal connecting rod 22 makes things convenient for the instrument centre gripping, and in this embodiment, connecting rod 22 sets up to regular hexagon, makes things convenient for the control of spanner more.
As shown in fig. 1 and 2, in order to reduce the deformation of the adjusting bracket 2, the end of the screw rod 26 away from the fixing device 1, which is away from the adjusting bracket 2, is fixedly connected with the universal joint 4.
As shown in fig. 2, to further facilitate the disassembly of the universal joint 4, two end faces of the universal joint 4 are both provided with a first connecting plate 41, and one end of the screw 26 far away from the fixing device 1 and far away from the adjusting bracket 2 is provided with a second connecting plate 42, in this embodiment, the first connecting plate 41 and the universal joint 4 are welded together; the second connecting plate 42 is welded to the screw 26. The first connecting plate 41 and the second connecting plate 42 close to the second connecting plate 42 are connected through bolts, the first connecting plate 41 far away from the second connecting plate 42 is connected with a third connecting plate 43 through bolts, and the third connecting plate 43 is fixedly connected with a telegraph pole or a wall.
The implementation principle of the embodiment is as follows: after the electric wire is clamped by the fixing device 1, the distance of the two screw rods 26 extending into the connecting frame 21 is adjusted, so that the distance between the opposite end surfaces of the two screw rods 26 is approximately equal to half of the distance between the two connecting blocks 23, and the distances of the two screw rods 26 in the connecting frame 21 are more than the same. After the adjustment is completed, the wire is tightened by the tightener, and the third connecting plate 43 is fixed to the utility pole or the wall, thereby completing the fixation of the wire. When the tightness of the electric wire needs to be adjusted subsequently, the connecting rod 22 is clamped by a wrench, the connecting frame 21 rotates around the screw rods 26, and after the connecting frame 21 is rotated, the two screw rods 26 can approach to or separate from each other, so that the tightness of the electric wire is changed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a power transmission and transformation circuit electric wire fixing device, includes fixing device (1) of the tight electric wire of clamp, its characterized in that: be connected with alignment jig (2) on fixing device (1), alignment jig (2) are including screw rod (26) of link (21) and the coaxial setting in link (21) both ends, two the external screw thread of screw rod (26) sets up in reverse, be equipped with connecting block (23) of being connected with screw rod (26) on link (21), be equipped with through-hole (24) that supply screw rod (26) to pass on connecting block (23), two be equipped with on through-hole (24) inner wall and correspond internal thread (25) that screw rod (26) are connected, arbitrary the one end that link (21) were kept away from in screw rod (26) is connected with fixing device (1).
2. The electric transmission and transformation line wire fixing device of claim 1, wherein: fixing device (1) is the copper wire checkpost, the copper wire checkpost includes base (14) and U-shaped frame (11), be equipped with trompil (12) that supply U-shaped frame (11) to pass on base (14), U-shaped frame (11) opening end threaded connection has nut (13), the U-shaped ring of copper wire checkpost is connected with screw rod (26) that are close to fixing device (1).
3. The electric transmission and transformation line wire fixing device of claim 1, wherein: the connecting frame (21) comprises at least two connecting rods (22) which are uniformly distributed around the circumferential direction of the connecting block (23).
4. The electric transmission and transformation line wire fixing device of claim 3, wherein: the cross section of the connecting rod (22) along the direction vertical to the axial direction of the connecting rod (22) is polygonal.
5. The electric transmission and transformation line wire fixing device of claim 1, wherein: one end of any screw rod (26) facing to the other screw rod (26) is provided with a concave hole (3) for accommodating the other screw rod (26).
6. The electric transmission and transformation line wire fixing device of claim 5, wherein: and a conical head (31) is arranged on the end surface of the screw rod (26) opposite to the concave hole (3).
7. The electric transmission and transformation line wire fixing device of claim 1, wherein: and one end, far away from the adjusting frame (2), of the screw rod (26) far away from the fixing device (1) is fixedly connected with a universal joint (4).
8. The electric transmission and transformation line wire fixing device of claim 7, wherein: the two end faces of the universal joint (4) are respectively provided with a first connecting plate (41), one end, far away from the adjusting frame (2), of the screw (26) of the fixing device (1) is provided with a second connecting plate (42), the first connecting plate (41) and the second connecting plate (42) of the second connecting plate (42) are close to each other, and the first connecting plate (41) of the second connecting plate (42) is connected with a third connecting plate (43) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182394.8U CN210957634U (en) | 2019-12-06 | 2019-12-06 | Power transmission and transformation circuit electric wire fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182394.8U CN210957634U (en) | 2019-12-06 | 2019-12-06 | Power transmission and transformation circuit electric wire fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210957634U true CN210957634U (en) | 2020-07-07 |
Family
ID=71382435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922182394.8U Expired - Fee Related CN210957634U (en) | 2019-12-06 | 2019-12-06 | Power transmission and transformation circuit electric wire fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210957634U (en) |
-
2019
- 2019-12-06 CN CN201922182394.8U patent/CN210957634U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fixed device for power transmission line Effective date of registration: 20200927 Granted publication date: 20200707 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Shaanxi Tonglu Electric Power Engineering Co.,Ltd. Registration number: Y2020980006532 |
|
| 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: 20211202 Granted publication date: 20200707 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Shaanxi Tonglu Electric Power Engineering Co.,Ltd. Registration number: Y2020980006532 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |