CN218586748U - 500kV self-adjusting straight line card - Google Patents
500kV self-adjusting straight line card Download PDFInfo
- Publication number
- CN218586748U CN218586748U CN202222251018.1U CN202222251018U CN218586748U CN 218586748 U CN218586748 U CN 218586748U CN 202222251018 U CN202222251018 U CN 202222251018U CN 218586748 U CN218586748 U CN 218586748U
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- angle steel
- clamping seat
- shaft hole
- rotating shaft
- main body
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 229910000746 Structural steel Inorganic materials 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
A500 kV self-adjusting straight line clamp comprises a clamp main body, an angle steel clamping seat and a stop block, wherein the clamp main body is connected with the angle steel clamping seat through a rotating shaft; the clamp main body comprises two hook plates which are symmetrically and vertically fixed at two ends of a bottom plate in parallel, and a shaft hole I is horizontally penetrated through the bottom plate; the angle steel cassette includes base and link plate, and the base level is run through there is shaft hole II. The rotating shaft penetrates through the shaft hole I and the shaft hole II and is positioned with the angle steel clamping seat through a rotating shaft riveting pin; a cavity is arranged between the hanging plate and the base and used for hanging and buckling angle steel; the lower end of the base is vertically provided with a blind hole, an adjusting screw rod is fixed in the blind hole, a stop block is screwed on the lower section of the adjusting screw rod through threads, and the stop block is positioned below the angle steel clamping seat. Because the angle steel clamping seat is connected with the clamping apparatus main body through the rotating shaft, under the rotation adjustment of the clamping apparatus main body and the angle steel clamping seat, stress points of the angle steel clamping seat, the clamping apparatus main body, the linear lead screw assembly and the lower end clamping apparatus can be restored to the same plane. The problems of the volume increase and the weight increase of the fixture are avoided.
Description
Technical Field
The utility model belongs to high tension transmission line overhauls instrument belongs to a fixture of changing the insulator, specifically is a 500kV self-interacting straight ply-yarn drill.
Background
In the overhaul of high-voltage transmission lines, the replacement of insulators is a common basic work. The insulator can be replaced smoothly only by adapting the corresponding clamp and the hardware in the circuit. At present, for a tool for replacing a 500kV line linear string, a cross arm angle steel is generally hooked to a linear clamp at the upper end of the tool to fix the tool, a four-hook clamp and other tools are adopted for a clamp at the lower end of the tool, and the four-hook clamp and the other tools are connected through a linear lead screw. However, the problems with such a structure are: when the linear guide screw is stressed during working, the upper end linear clamp, the lower end four-hook clamp and the stress point of the linear guide screw are on the same plane. When the position of the wire of the four-hook clamping hook at the lower end and the position of the linear card at the upper end have horizontal displacement and do not correspond up and down, if the displacement is small, the wire can be adjusted by swinging the linear screw back and forth; if the displacement is large, the stress direction can be changed, the stress of the upper straight line clamp is complex and changeable, and the bending moment and the torque can be generated. In order to ensure the use strength and the load capacity of the upper straight line clamp, the volume of the upper straight line clamp needs to be enlarged, so that the weight is increased. Therefore, the problems of inconvenience in overhead transportation, inconvenience in disassembly and assembly, consumption of a large amount of manpower and material resources and the like are caused, and the requirements on economic benefits are not met.
Disclosure of Invention
In view of this, the utility model provides a 500kV self-interacting straight line card, through optimizing structure, accessible self rotation regulation makes the stress point of the straight line lead screw of being connected and lower extreme fixture can be in the coplanar, and the straight line card need not to increase the normal use that bulky volume and weight can guarantee whole fixture.
The utility model adopts the technical proposal that: the utility model provides a 500kV self-interacting straight line card which characterized in that: the angle iron clamping device comprises a clamping device body, an angle iron clamping seat and a stop block, wherein the clamping device body is connected with the angle iron clamping seat through a rotating shaft; the fixture main body comprises a bottom plate and two hook plates, the two hook plates are parallelly and symmetrically and vertically fixed at two ends of the bottom plate, a shaft hole I horizontally penetrates through the middle position of the bottom plate, and the shaft hole I is used for accommodating the front section of the rotating shaft; the angle steel clamping seat comprises a base and a hanging plate, wherein a shaft hole II penetrates through the upper part of the base horizontally, and the shaft hole II is used for accommodating the rear section of the rotating shaft and is positioned through a vertically penetrating rotating shaft riveting pin; the shaft hole I and the shaft hole II are coaxial; a cavity is arranged between the plate surface of the hanging plate and the base, the opening of the angle steel clamping seat is positioned at the lower end of the cavity, and the cavity is used for hanging and buckling angle steel; the lower end of the base is vertically provided with a blind hole, the upper section of the adjusting screw rod is inserted into the blind hole and is positioned through a vertically penetrating screw rod riveting pin, the lower section of the adjusting screw rod is screwed with a stop block through threads, and the position of the stop block is positioned below an opening of the angle steel clamping seat.
Furthermore, I shape in shaft hole is the step form, and the anterior segment of pivot is equipped with the adaptation step.
Further, shaft hole II is equipped with the internal thread, and the back end of pivot is equipped with the external screw thread of matching.
Furthermore, perpendicular to die cavity is equipped with the screw hole on the face of link plate, and the screw hole internal rotation has set screw, and set screw is used for the angle steel that the top is arranged in the die cavity tightly.
Further, the fixture main part is equipped with an annular boss around shaft hole I outside the bottom plate, the angle steel cassette is equipped with an annular groove around shaft hole II outside the base, and annular boss and annular groove are coaxial with the pivot, and the annular boss forms clearance fit in imbedding the annular groove.
The beneficial effects of the utility model are that: because the angle steel clamping seat is connected with the clamping seat main body through the rotating shaft, even if the front and back displacement of the deviation stress surface may occur between the hanging buckle point of the lower end clamping seat and the wire and the stress point of the upper angle steel clamping seat, the stress points of the angle steel clamping seat, the clamping seat main body, the linear screw rod assembly and the lower end clamping seat can be restored to the same plane under the rotation adjustment of the clamping seat main body and the angle steel clamping seat. At the moment, the linear screw rod assembly is tightened, and the clamp can reliably complete corresponding work. And the problems of the volume increase and the weight increase of the fixture are avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle fixture main body of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic structural view of the middle angle steel clamping seat of the present invention.
Fig. 5 is a schematic structural view of the middle rotating shaft of the present invention.
Fig. 6 is a use state diagram of the present invention.
In the figure: 1. the fixture comprises a fixture main body, 1-1 parts of a fixture main body, a hook plate, 1-2 parts of a hook-shaped opening, 1-3 parts of a bottom plate, 1-4 parts of a shaft hole I, 1-5 parts of an annular boss, 2 parts of a rotating shaft, 2-1 parts of a front section, 2-2 parts of a rear section, 2-3 parts of a positioning hole, 3 parts of a rotating shaft riveting pin, 4 parts of an angle steel clamping seat, 4-1 parts of a base, 4-2 parts of an annular groove, 4-3 parts of a shaft hole II, 4-4 parts of a through hole, 4-5 parts of a hanging plate, 4-6 parts of a threaded hole, 4-7 parts of a blind hole, 5 parts of a fixing screw, 6 parts of a cavity, 7 parts of a screw rod riveting pin, 8 parts of an adjusting screw rod, 9 parts of a stop block, 10 parts of angle steel, 11 parts of a linear screw rod assembly, 12 parts of a nut.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a structure to upper end straight ply-yarn drill improves in the current fixture.
As shown in figure 1, the 500kV self-adjusting straight line clamp comprises a clamp main body 1, an angle steel clamp seat 4 and a stop block 9. The fixture main body 1 is used for connecting a linear lead screw assembly 11, the angle steel clamping seat 4 is used for embedding and positioning a vertical surface of angle steel 10, and the stop dog 9 is used for tightly jacking the bottom surface of the angle steel 10. The utility model discloses a focus on, fixture main part 1 is connected through pivot 2 with angle steel cassette 4, makes both structures for rotatable adjustment, specifically as follows:
as shown in fig. 2 and 3, the jig main body 1 is a U-shaped hook member including a base plate 1-3 and two hook plates 1-1. The two hook plates 1-1 are vertically fixed at two ends of the bottom plate 1-3 in parallel and symmetrical mode. The hook-shaped opening 1-2 of the hook plate 1-1 faces upwards. A step-shaped shaft hole I1-4 is horizontally penetrated in the middle of the bottom plate 1-3, and the shaft hole I1-4 is used for accommodating the front section 2-1 of the rotating shaft 2. As shown in figure 5, the front section 2-1 of the rotating shaft 2 is provided with a step, and the step is matched with the shape of the step-shaped shaft hole I1-4.
As shown in fig. 4, the angle iron clamping seat 4 comprises a base 4-1 and a hanging plate 4-5. The upper end of the hanging plate 4-5 is fixed with the upper end of the base 4-1 into a whole. The lower end of the hanging plate 4-5 is separated from the lower end of the base 4-1 to form an opening of the angle steel clamping seat 4. A cavity 6 is reserved between the plate surface of the hanging plate 4-5 and the base 4-1 at a parallel interval, and the cavity 6 is used for hanging and buckling angle steel 10. The angle steel 10 enters the cavity 6 through the openings of the hanging plates 4-5 and the angle steel clamping seat 4. Threaded holes 4-6 are arranged on the plate surface of the hanging plate 4-5 and are vertical to the cavity 6, and fixing screws 5 are screwed in the threaded holes 4-6. The fixing screw 5 is used for tightly propping against the vertical surface of the angle steel 10 in the cavity 6, so that the angle steel 10 is locked with the cavity 6. An axle hole II 4-3 horizontally penetrates through the upper part of the base 4-1, and the axle hole II 4-3 is used for connecting the rear section 2-2 of the rotating shaft 2. The shaft hole II 4-3 is provided with an internal thread, and the rear section 2-2 of the rotating shaft 2 is provided with a matched external thread. The shaft holes I1-4 and the shaft holes II 4-3 are coaxial. The upper end of the base 4-1 is provided with a through hole 4-4 at a position vertical to the shaft hole II 4-3. As shown in figure 5, the rear section 2-2 of the rotating shaft 2 is a straight rod, the straight rod is matched with the shaft hole II 4-3 in shape, and the rotating shaft 2 is provided with a positioning hole 2-3 at a position corresponding to the through hole 4-4.
As shown in the figures 1 and 5, the rotating shaft 2 sequentially penetrates through the coaxial shaft holes I1-4 and the shaft holes II 4-3, and the rotating shaft riveting pin 3 penetrates through the through hole 4-4 to enter the positioning hole 2-3 of the rotating shaft 2 and is used for locking the angle steel clamping seat 4 and the rotating shaft 2 so that the angle steel clamping seat and the rotating shaft 2 cannot rotate relatively. Under the axial positioning of the steps of the rotating shaft 2 and the rotating shaft riveting pin 3, the clamp main body 1 and the angle steel clamping seat 4 cannot generate axial displacement. But the fixture body 1 can rotate around the rotating shaft 2 relative to the angle iron clamping seat 4.
As shown in fig. 1, 2, and 3, in order to prevent radial displacement between the jig main body 1 and the angle iron holder 4 during rotation, a radial shear force borne by the rotating shaft 2 is reduced. An annular boss 1-5 is arranged around the shaft hole I1-4 on the outer side of the bottom plate 1-3 of the clamp main body 1. An annular groove 4-2 is formed in the outer side of the base 4-1 of the angle steel clamping seat 4 and around the shaft hole II 4-3. The annular bosses 1-5 are embedded into the annular grooves 4-2 to form clearance fit. The annular boss 1-5 and the annular groove 4-2 are coaxial with the rotating shaft 2. Such an arrangement is equivalent to increasing the load strength of the rotating shaft 2 while the fixture body 1 and the angle iron clamping seat 4 are positioned in the radial direction.
As shown in FIG. 4, a blind hole 4-7 is vertically arranged at the lower end of the base 4-1 of the angle steel clamping seat 4. And an adjusting screw rod 8 is arranged in the blind holes 4-7. The upper-section rod surface of the adjusting screw rod 8 is smoothly inserted into the blind holes 4-7. The blind holes 4-7 and the adjusting screw rod 8 are positioned through a vertically penetrating screw rod riveting pin 7. The lower section of the adjusting screw rod 8 is a threaded rod, and a stop block 9 is screwed on the threaded rod. The stop block 9 is positioned below the opening of the angle steel clamping seat 4. When the angle steel 10 enters the cavity 6 of the angle steel clamping seat 4, the position of the stop block 9 on the adjusting screw rod 8 is adjusted, so that the stop block 9 can be propped against the lower bottom surface of the angle steel 10 to form a support, and the size of the angle steel 10 in different types can be adapted.
As shown in fig. 6, the nut 12 of the linear screw assembly 11 is provided with a set of hanging members. The utility model discloses when using, hang hook-like opening 1-2 with fixture main part 1 respectively and detain the both ends of nut 12 in sharp lead screw subassembly 11, fixed in the die cavity 6 of the vertical face embedding angle steel 10 fixture of angle steel 10, dog 9 offsets with the bottom surface of angle steel 10 and forms the support. The lower end of the linear lead screw assembly 11 is connected with a lower end fixture, and the lower end fixture is hung and buckled with a lead. At this time, the hanging buckling point of the lower end fixture and the wire and the stress point of the upper angle iron clamping seat 4 may deviate from the stress surface and move back and forth, but the angle iron clamping seat 4 and the fixture main body 1 are connected through the rotating shaft 2, so that the stress points of the angle iron clamping seat 4, the fixture main body 1, the linear screw assembly 11 and the lower end fixture are restored to be in the same plane under the rotation adjustment of the fixture main body 1. At this time, the linear screw assembly 11 is tightened, and the fixture can reliably complete corresponding work.
Therefore, the utility model discloses a to the configuration optimization of line card, avoided fixture volume increase, weight increase's problem.
Claims (5)
1. The utility model provides a 500kV self-interacting straight line card which characterized in that: the angle iron clamping device comprises a clamping device body, an angle iron clamping seat and a stop block, wherein the clamping device body is connected with the angle iron clamping seat through a rotating shaft; the fixture main body comprises a bottom plate and two hook plates, the two hook plates are parallelly and symmetrically and vertically fixed at two ends of the bottom plate, a shaft hole I horizontally penetrates through the middle position of the bottom plate, and the shaft hole I is used for accommodating the front section of the rotating shaft; the angle steel clamping seat comprises a base and a hanging plate, wherein a shaft hole II penetrates through the upper part of the base horizontally, and the shaft hole II is used for accommodating the rear section of the rotating shaft and is positioned through a vertically penetrating rotating shaft riveting pin; the shaft hole I and the shaft hole II are coaxial; a cavity is arranged between the plate surface of the hanging plate and the base, the opening of the angle steel clamping seat is positioned at the lower end of the cavity, and the cavity is used for hanging and buckling angle steel; the lower end of the base is vertically provided with a blind hole, the upper section of the adjusting screw rod is inserted into the blind hole and is positioned through a vertically penetrating screw rod riveting pin, the lower section of the adjusting screw rod is screwed with a stop block through threads, and the position of the stop block is positioned below an opening of the angle steel clamping seat.
2. The 500kV self-adjusting linear card of claim 1, wherein: the I shape in shaft hole is the step form, and the anterior segment of pivot is equipped with the adaptation step.
3. The 500kV self-adjusting linear card of claim 1, wherein: the shaft hole II is provided with an internal thread, and the rear section of the rotating shaft is provided with a matched external thread.
4. The 500kV self-adjusting linear card of claim 1, wherein: the face of the hanging plate is provided with a threaded hole perpendicular to the cavity, a fixing screw is screwed in the threaded hole and used for tightly pushing angle steel in the cavity.
5. The 500kV self-adjusting linear card of claim 1, wherein: the clamp main body is provided with an annular boss around the shaft hole I on the outer side of the bottom plate, the angle steel clamping seat is provided with an annular groove around the shaft hole II on the outer side of the base, the annular boss and the annular groove are coaxial with the rotating shaft, and the annular boss is embedded into the annular groove to form clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251018.1U CN218586748U (en) | 2022-08-26 | 2022-08-26 | 500kV self-adjusting straight line card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222251018.1U CN218586748U (en) | 2022-08-26 | 2022-08-26 | 500kV self-adjusting straight line card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586748U true CN218586748U (en) | 2023-03-07 |
Family
ID=85363827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222251018.1U Expired - Fee Related CN218586748U (en) | 2022-08-26 | 2022-08-26 | 500kV self-adjusting straight line card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218586748U (en) |
-
2022
- 2022-08-26 CN CN202222251018.1U patent/CN218586748U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |