CN113922274B - Quick replacement device for column insulator - Google Patents
Quick replacement device for column insulator Download PDFInfo
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- CN113922274B CN113922274B CN202111174426.5A CN202111174426A CN113922274B CN 113922274 B CN113922274 B CN 113922274B CN 202111174426 A CN202111174426 A CN 202111174426A CN 113922274 B CN113922274 B CN 113922274B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a quick replacement device for a column insulator, which comprises a fixed side plate, wherein the lower end surface of the top wall of the fixed side plate is connected with a clamping mechanism, the lower end surface of the bottom wall of the fixed side plate is connected with a driving mechanism, the lower end of the top wall of the fixed side plate is rotatably connected with two clamping jaws, the driving mechanism comprises a connecting cylinder arranged below the fixed side plate, the lower end of the connecting cylinder is fixedly connected with a handheld rod, the upper end of the connecting cylinder is fixedly connected with more than two guide pillars, the upper ends of the guide pillars are fixedly connected with the bottom wall of the fixed side plate, the guide pillars all penetrate through a circular plate, the lower end surface of the circular plate is fixedly provided with a driving motor, an output shaft of the driving motor is fixed with a sleeve through a coupler, the upper end of the sleeve penetrates through the bottom wall of the fixed side plate, the upper end of the sleeve is provided with a hexagonal groove, a lifting telescopic rod is fixed on the side wall of the fixed side plate, and the telescopic end of the lifting telescopic rod is fixedly connected with the circular plate. The invention effectively improves the convenience of mounting and dismounting the column insulator and the integral maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a quick replacement device for a column insulator.
Background
The lower end of the column insulator is fixed on a cross arm on a telegraph pole through a stud and a nut, at present, an insulating bucket arm vehicle is conventionally adopted for replacing the column insulator in an electrified way, a small crane is used for lifting a wire, and then the column insulator is replaced. However, many utility poles are located in hillsides, pools, or street lanes and farmland areas, and the arm-type boom-type insulators cannot enter the working position, so that the post-type insulator replacement operation cannot be performed in a live-line manner, and the maintenance efficiency is affected. Meanwhile, the position of an operator needs to be continuously adjusted through the insulating bucket arm vehicle when the insulator is replaced, the operation space is narrow, the operator is very inconvenient to replace the insulator, and the overall maintenance efficiency is low.
Disclosure of Invention
The invention aims to provide a quick replacement device for a column insulator, which effectively improves the convenience of mounting and dismounting the column insulator and the overall maintenance efficiency, and avoids the situation that an insulating bucket arm vehicle cannot enter an operation position to cause that the live replacement operation of the column insulator cannot be carried out.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a quick replacement device for column insulator, includes the fixed curb plate of "Contraband" shape structure, the lower terminal surface of fixed curb plate roof is connected with clamping mechanism, the lower terminal surface of fixed curb plate diapire is connected with actuating mechanism, clamping mechanism is including fixing the tight telescopic link of clamp at the fixed curb plate lateral wall, fixed curb plate roof lower extreme rotates and is connected with two and presss from both sides tight jack catch, the flexible end that presss from both sides tight telescopic link is connected with two clamp jaw cooperations, press from both sides tight telescopic link and be used for driving two clamp jaw, actuating mechanism is including setting up the connecting cylinder in fixed curb plate below, connecting cylinder lower extreme fixedly connected with handheld pole, connecting cylinder upper end fixedly connected with more than two guide pillars, guide pillar upper end and the diapire fixed connection of fixed curb plate, the guide pillar all passes the ring board, the lower extreme face of ring board is fixed with driving motor, driving motor's output shaft passes through the shaft coupling and sleeve is fixed, the sleeve upper end runs through the diapire of fixed curb plate, the sleeve upper end is equipped with the hexagonal recess, be fixed telescopic link on the lateral wall of fixed curb plate, telescopic link's flexible end and circular ring board fixed connection.
Preferably, the clamping claws are provided with arc-shaped clamping notches at the ends far away from the fixed side plates, and springs are connected between the clamping claws.
Preferably, the upper end of the clamping telescopic rod is fixedly connected with a triangular block, and the end part of the clamping claw is fixedly connected with a clamping block matched with the triangular block.
Preferably, the side of the triangular block is of a curved surface structure, and the side of the fixture block is provided with an arc-shaped groove matched with the side of the triangular block.
Preferably, two side plates are symmetrically fixed on the side faces of the fixed side plates, supporting plates are fixed on opposite faces of the two side plates, and blocking strips are fixedly connected to the lower end faces of the supporting plates.
Preferably, the upper end surfaces of the two side plates are fixed with the lower end of the positioning plate, and one end of the positioning plate, which is far away from the side wall of the fixed side plate, is provided with a U-shaped notch.
Preferably, the side walls of the side plates are respectively fixed with a connecting plate, a rotating shaft is rotatably connected between the connecting plates, two clamping rods are symmetrically fixed on the rotating shaft, the side walls of the fixed side plates are fixed with fixed telescopic rods, and the telescopic ends of the fixed telescopic rods are connected with one ends of the clamping rods close to the fixed side plates.
Preferably, one end of the clamping rod, which is close to the fixed side plate, is in a wedge-shaped structure, a wedge-shaped block matched with the end part of the clamping rod is fixed at the telescopic end of the fixed telescopic rod, an extension spring is fixedly connected to the lower end, which is far away from one end of the fixed side plate, of the clamping rod, and the lower end of the extension spring is fixedly connected with the connecting plate.
Preferably, the top wall of the fixed side plate is provided with an avoiding notch, and the clamping claws are symmetrically arranged relative to the avoiding notch.
Preferably, a guide notch is axially formed in the side wall of the connecting cylinder, the driving motor is fixed with the guide block, and the guide block is located in the guide notch.
Compared with the prior art, the invention has the beneficial effects that:
according to the insulator clamping device, the insulator is clamped by the two clamping jaws of the clamping mechanism, the driving motor is driven to lift by the lifting telescopic rod of the driving mechanism, the sleeve is matched with the nut for fixing the insulator, the sleeve is driven to rotate by the driving motor, and the insulator locking nut is screwed, so that the insulator is assembled and disassembled, the convenience for assembling and disassembling the column insulator is effectively improved, the overall maintenance efficiency is improved, and the situation that the live replacement operation of the column insulator cannot be carried out due to the fact that the insulating bucket arm vehicle cannot enter an operation position is avoided.
Drawings
Fig. 1 is a schematic structural view of a quick replacement device for a post insulator according to an embodiment of the present invention;
fig. 2 is a front view of a quick replacement device for post insulators in an embodiment of the invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of a fixed side plate, a clamping mechanism, a side plate and a clamping rod in an embodiment of the invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic view of a clamping mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of the driving mechanism in the embodiment of the present invention;
fig. 8 is a schematic structural view illustrating an embodiment of a quick replacement device for a post insulator according to the present invention;
fig. 9 is a side sectional view of a portion of a mechanism embodying a quick change apparatus for post insulators in accordance with an embodiment of the present invention;
in the figure, 1, a fixed side plate, 2, a clamping mechanism, 3, a driving mechanism, 4, a rotating shaft, 5, a cross arm, 6, an insulator, 101, a side plate, 102, a supporting plate, 103, a positioning plate, 104, a U notch, 105, a connecting plate, 106, a barrier strip, 107, an avoiding notch, 201, a clamping telescopic rod, 202, a clamping claw, 203, a clamping notch, 204, a spring, 205, a triangular block, 206, a clamping block, 207, an arc-shaped groove, 301, a connecting cylinder, 302, a lifting telescopic rod, 303, a handheld rod, 304, a guide pillar, 305, a circular ring plate, 306, a driving motor, 307, a sleeve, 308, a guide notch, 309, a guide block, 401, a clamping rod, 402, a fixed telescopic rod, 403, a wedge block, 404 and a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention is a quick replacement device for a post insulator, comprising a fixed side plate 1 in a structure of "Contraband", wherein the lower end surface of the top wall of the fixed side plate 1 is connected with a clamping mechanism 2, and the lower end surface of the bottom wall is connected with a driving mechanism 3.
As shown in fig. 4-6, the top wall of the fixed side plate 1 is provided with an avoiding notch 107, and the width of the avoiding notch 107 is larger than the diameter of the insulator, so that the top wall of the fixed side plate 1 can be clamped outside the insulator through the avoiding notch 107. The clamping mechanism 2 comprises a clamping telescopic rod 201 and two symmetrically arranged clamping jaws 202, and the two clamping jaws 202 are symmetrically arranged relative to the avoidance notch 107, so that the clamping jaws 202 can be completely positioned below the top wall of the fixed side plate 1, and the whole size is favorably reduced. Clamping jaw 202 is connected with the roof rotation of fixed curb plate 1, and the one end that two clamping jaw 202 kept away from fixed curb plate 1 has all seted up the tight notch 203 of arc clamp. A spring 204 is connected between the two clamping jaws 202, and the two clamping jaws 202 can be pulled by the spring 204 and the ends of the two clamping jaws 202 far away from the fixed side plate 1 can be kept away.
The clamping telescopic rod 201 is an electric push rod, the clamping telescopic rod 201 is fixedly connected with the side face of the fixed side plate 1, and the telescopic end of the clamping telescopic rod is matched with the two clamping jaws 202. The clamping telescopic rod 201 is used for driving the two clamping jaws 202 to rotate, and clamping the insulator is achieved. The upper end of the clamping telescopic rod 201 is welded or bolted with a triangular block 205, the side surface of the triangular block 205 is of a curved surface structure, the triangular block 205 can be an isosceles triangle, and the vertex angle is arranged upwards. The end parts of the two clamping jaws 202 are connected with a fixture block 206 matched with the triangular block 205, and the side surface of the fixture block 206 is provided with an arc-shaped groove 207 matched with the side surface of the triangular block 205, so that the two fixture blocks 206 are extruded by the side surface of the triangular block 205, and the insulator is clamped by the clamping notches 203 of the two clamping jaws 202. The stability and reliability of the cooperation between the triangular block 205 and the latch 206 can be improved by the cooperation between the arc-shaped slot 207 on the side surface of the latch 206 and the triangular block 205.
When the clamping telescopic rod 201 pushes the triangular block 205, two sides of the triangular block 205 extrude the fixture blocks 206, so that one ends of the two clamping jaws 202 close to the fixed side plate 1 are far away from each other, and the clamping jaws 202 clamp the circumferential surface of the insulator through the clamping notches 203 to clamp the insulator. When the triangular block 205 is pulled down by the telescopic clamping rod 201, under the action of the spring 204, the ends of the two clamping jaws 202 close to the fixed side plate 1 are close to each other, so that the ends of the clamping jaws 202 far away from the fixed side plate 1 are far away from each other, that is, the clamping of the insulator is released.
As shown in fig. 3-5, two side plates 101 are symmetrically welded or screwed to the side of the fixed side plate 1, support plates 102 are fixedly connected to the opposite surfaces of the two side plates 101, and stop strips 106 are fixedly connected to the lower end surfaces of the support plates 102. When the insulator is assembled and disassembled, the supporting plate 102 can be abutted against the cross arm, and the position limitation is realized through the barrier strip 106, so that the whole fixed side plate 1 is supported on the cross arm, and the fatigue of the lifting of an operator is reduced. Two curb plates 101 upper surface fixed connection have a locating plate 103, and U notch 104 has been seted up to locating plate 103, through U notch 104 card in the insulator outside, further improvement position location's accuracy.
The side surfaces of the two side plates 101 are welded or connected with connecting plates 105 through screws, a rotating shaft 4 is rotatably connected between the two connecting plates 105, and two clamping rods 401 are fixedly inserted in the rotating shaft 4 in a penetrating mode. Fixed curb plate 1 side fixedly connected with fixed telescopic link 402, fixed telescopic link 402 is electric putter, and the flexible end of fixed telescopic link 402 is connected with the one end that clamping bar 401 is close to fixed curb plate 1 for drive clamping bar 401 rotates, and press from both sides tight cross arm with backup pad 102 cooperation. One end of the clamping rod 401 close to the fixed side plate 1 is in a wedge-shaped structure, and a wedge-shaped block 403 matched with the end of the clamping rod 401 is connected to the telescopic end of the fixed telescopic rod 402 through a bolt. The lower surface of the clamping rod 401 far away from one end of the fixed side plate 1 is connected with an extension spring 404, and the lower end of the extension spring 404 is connected with the connecting plate 105.
As shown in fig. 2, 3 and 7, the driving mechanism 3 includes a connecting cylinder 301 and a lifting/lowering telescopic rod 302. The lower end of the connecting cylinder 301 is welded or screwed with a circular plate, and the lower surface of the circular plate is connected with a hand-held rod 303 through a threaded connection or a flange seat. The upper end surface of the connecting cylinder 301 is provided with a flange edge, the flange edge is welded or screwed with more than two guide posts 304, specifically 4-6 guide posts, and the upper ends of the guide posts 304 are welded or screwed with the bottom wall of the fixed side plate 1.
The guide post 304 is moved through the annular plate 305 so that the annular plate 305 can move axially along the guide post 304. The lower surface of the circular ring plate 305 is fixedly connected with a driving motor 306 in clearance fit with the connecting cylinder 301, an output shaft of the driving motor 306 is fixed with a sleeve 307 through a coupler, the upper end of the sleeve 307 penetrates through the bottom wall of the fixed side plate 1, and the upper end of the sleeve 307 is provided with a hexagonal groove matched with a nut. The driving motor 306 can drive the sleeve 307 to rotate, so that the insulator locking nut can be screwed. Guide slot 308 has been seted up to connecting cylinder 301 lateral wall axial, and driving motor 306 and guide slot 308 clearance fit's guide block 309 fixed connection through guide block 309 and the cooperation of guide slot 308, and the stability that adjustable driving motor 306 reciprocated through the structural stability who improves when revolving the nut, avoids appearing the condition of impact and vibrations, improves the convenience of using.
Lifting telescopic link 302 is electric putter, lifting telescopic link 302 and fixed curb plate 1 side fixed connection, and lifting telescopic link 302's flexible end and ring board 305 fixed connection for drive driving motor 306 reciprocates.
The working principle is as follows: as shown in fig. 8 and 9, when the insulator is removed, the replacement device is lifted up by the hand-held rod 303, the position is adjusted so that the insulator is caught in the avoidance notch 107, and at this time, the telescopic clamping rod 201 is operated to clamp the insulator by the two clamping claws 202. After the supporting plate 102 is leaned on the cross arm, the wedge-shaped block 403 at the telescopic end of the fixed telescopic rod 402 presses down the clamping rod 401 to be close to one end of the fixed side plate 1, so that the other end is lifted up and is leaned on the lower surface of the cross arm, the clamping rod 401 and the supporting plate 102 are respectively clamped on the lower surface and the upper surface of the cross arm along with the downward movement of the wedge-shaped block 403 driven by the fixed telescopic rod 402, so that the whole body is fixed on the cross arm, the stability of the assembling and disassembling process of the insulator is greatly improved, the need of the stable process of a manual holding device of an operator is avoided, and the whole body is more convenient and reliable to use.
Then, the lifting telescopic rod 302 drives the circular ring plate 305 to move upwards, so that the sleeve 307 at the upper end of the movable driving motor 306 is sleeved on the nut of the fixed insulator, the driving motor 306 drives the sleeve 307 to rotate to unscrew the nut, and at the moment, the lifting telescopic rod 302 drives the circular ring plate 305 to move downwards, so that the sleeve 307 moves downwards to the position below the stud of the fixed insulator. Then, the fixed telescopic rod 402 drives the wedge block 403 to move upwards, and the pressing and clamping rod 401 enables the end part to be far away from the supporting plate 102 under the action of the extension spring 404, so that the clamping of the cross arm is released. And finally, the handheld rod 303 is lifted upwards, the clamping jaw 202 is utilized to drive the insulator to move upwards, so that the stud at the lower end of the insulator is pulled out of the connecting hole in the cross arm, and the insulator is disassembled.
When the insulator is installed, the insulator is clamped through the clamping jaws 202, the nut is placed into the sleeve 307, the insulator is lifted up through the handheld rod 303, the stud at the lower end of the insulator is inserted into the connecting hole in the cross arm, the circular plate 305 is driven to move upwards through the lifting telescopic rod 302 at the moment, and the nut is screwed on the stud at the lower end of the insulator through the sleeve 307.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a quick replacement device for column insulator which characterized in that: the fixed side plate comprises a fixed side plate of a Contraband-shaped structure, the lower end face of a top wall of the fixed side plate is connected with a clamping mechanism, the lower end face of a bottom wall of the fixed side plate is connected with an driving mechanism, the clamping mechanism comprises a clamping telescopic rod fixed on the side wall of the fixed side plate, the lower end of the top wall of the fixed side plate is rotatably connected with two clamping jaws, the telescopic end of the clamping telescopic rod is in matched connection with the two clamping jaws, the clamping telescopic rod is used for driving the two clamping jaws, the driving mechanism comprises a connecting cylinder arranged below the fixed side plate, the lower end of the connecting cylinder is fixedly connected with a handheld rod, the upper end of the connecting cylinder is fixedly connected with more than two guide pillars, the upper ends of the guide pillars are fixedly connected with the bottom wall of the fixed side plate, the guide pillars all penetrate through a circular plate, a driving motor is fixed on the lower end face of the circular plate, an output shaft of the driving motor is fixed with a sleeve through a coupler, the upper end of the bottom wall of the fixed side plate, a hexagonal groove is formed in the upper end of the sleeve, a side wall of the fixed side plate is fixed with a lifting telescopic rod, and the telescopic end of the lifting telescopic rod is fixedly connected with the circular plate.
2. The quick replacement device for post insulators of claim 1, wherein: the one end that presss from both sides tight jack catch and keep away from fixed curb plate all has seted up the tight notch of arc clamp, it is connected with the spring to press from both sides between the tight jack catch.
3. The quick change device for post insulators according to claim 2, wherein: the clamping telescopic rod is characterized in that the upper end of the clamping telescopic rod is fixedly connected with a triangular block, and the end part of the clamping claw is fixedly connected with a clamping block matched with the triangular block.
4. A quick replacement device for post insulators according to claim 3, characterised in that: the side of the triangular block is of a curved surface structure, and the side of the fixture block is provided with an arc-shaped groove matched with the side of the triangular block.
5. The quick change device for post insulators according to claim 1, wherein: two side plates are symmetrically fixed on the side faces of the fixed side plates, supporting plates are fixed on opposite faces of the two side plates, and baffle strips are fixedly connected to the lower end faces of the supporting plates.
6. The quick replacement device for post insulators of claim 5, wherein: the upper end surfaces of the two side plates are fixed with the lower end of the positioning plate, and the end, away from the side wall of the fixed side plate, of the positioning plate is provided with a U-shaped notch.
7. The quick replacement device for post insulators of claim 5, wherein: the side walls of the two side plates are respectively fixed with a connecting plate, a rotating shaft is rotatably connected between the connecting plates, two clamping rods are symmetrically fixed on the rotating shaft, a fixed telescopic rod is fixed on the side wall of the fixed side plate, and the telescopic end of the fixed telescopic rod is connected with one end, close to the fixed side plate, of the clamping rod.
8. The quick change device for post insulators according to claim 7, wherein: the clamping rod is characterized in that one end, close to the fixed side plate, of the clamping rod is of a wedge-shaped structure, a wedge-shaped block matched with the end portion of the clamping rod is fixed at the telescopic end of the fixed telescopic rod, an extension spring is fixedly connected to the lower end, far away from one end of the fixed side plate, of the clamping rod, and the lower end of the extension spring is fixedly connected with the connecting plate.
9. A quick replacement device for post insulators according to claim 1 or 2 or 5 or 7, characterised in that: the top wall of the fixed side plate is provided with an avoiding notch, and the clamping claws are symmetrically arranged relative to the avoiding notch.
10. The quick change device for post insulators according to claim 1, wherein: the connecting cylinder side wall is axially provided with a guide notch, the driving motor is fixed with the guide block, and the guide block is positioned in the guide notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174426.5A CN113922274B (en) | 2021-10-09 | 2021-10-09 | Quick replacement device for column insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174426.5A CN113922274B (en) | 2021-10-09 | 2021-10-09 | Quick replacement device for column insulator |
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| CN113922274A CN113922274A (en) | 2022-01-11 |
| CN113922274B true CN113922274B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111174426.5A Active CN113922274B (en) | 2021-10-09 | 2021-10-09 | Quick replacement device for column insulator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114273901B (en) * | 2022-01-25 | 2024-03-26 | 国网安徽省电力有限公司电力科学研究院 | Integrated dismounting device for needle insulator |
| CN114421358A (en) * | 2022-01-25 | 2022-04-29 | 国网安徽省电力有限公司电力科学研究院 | Wire clamp dismounting device for distribution line insulator |
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