CN117317877B - Electric power overhauls protection device - Google Patents
Electric power overhauls protection device Download PDFInfo
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- CN117317877B CN117317877B CN202311143342.4A CN202311143342A CN117317877B CN 117317877 B CN117317877 B CN 117317877B CN 202311143342 A CN202311143342 A CN 202311143342A CN 117317877 B CN117317877 B CN 117317877B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 18
- 238000013459 approach Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 244000240635 birds nest Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000005765 wild carrot Nutrition 0.000 description 1
Classifications
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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
Abstract
The invention belongs to the technical field of electric power overhaul, in particular to an electric power overhaul protection device which comprises a crank arm vehicle, an operation frame, a grounding wire, a fastening clamping plate and a grounding anchor; the crank arm vehicle runs to a power transmission line to be overhauled, an overhauling staff stands in the operation frame, the grounding anchor is inserted into the soil of the roadside, and the fastening clamping plate is fixedly connected with the top of the grounding anchor by using a bolt; if the overhauling area is close to the telegraph pole or the power supply tower, the tightening clamp plate can be directly connected with a grounding device on the telegraph pole or the power supply tower; the operation frame is grounded, and the insulating rubber layer is coated in the operation frame, so that the accidental electric shock probability of an maintainer is reduced, and the falling probability of the maintainer can be effectively reduced by the operation frame; and then, the power transmission line is convenient to clean and overhaul by an overhaul worker, and the safety of the overhaul worker is improved.
Description
Technical Field
The invention belongs to the technical field of electric power overhaul, and particularly relates to an electric power overhaul protection device.
Background
The power overhaul can be divided into: the power generation part overhauls, the power supply part overhauls, the power transformation part overhauls and the power distribution part overhauls; the electric power overhaul is mainly responsible for daily equipment installation and maintenance, fault removal, line inspection and the like, and has high required professional requirements and certain dangers.
The power supply part overhauls the transmission line mostly, and the transmission line is mainly erected in the air through a telegraph pole and a power supply tower; when the electric transmission line is erected in the air, sundries such as plastic bags, kites and the like are often wound; and birds nest on the transmission line; in the weather of strong wind or rain and snow, short circuit and fire disaster of a power transmission line are easy to occur; therefore, maintenance personnel are required to clean sundries on the transmission line in time;
when an maintainer cleans sundries on a power transmission line, the maintainer usually cleans the sundries by using a long rod, and if the sundries cannot be cleaned or are difficult to clean, the maintainer can approach the power transmission line by using a ladder or a crank arm vehicle and then perform cleaning work; when the maintainer directly approaches the transmission line to clean, the maintainer can cause dangers such as electric shock and falling off due to slight carelessness.
To this end, the invention provides an electrical service protection device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an electric power overhaul protection device, which comprises a crank arm vehicle; an operation frame is hinged to the end part of a crank arm of the crank arm vehicle, and an insulating rubber pad is coated on the inner wall of the operation frame; the bottom surface of the operation frame is provided with a grounding unit; the grounding unit comprises a bottom shell fixedly connected to the ground of the operation frame; a grounding wire is arranged in the bottom shell; an outer ring of the grounding wire is coated with an insulating rubber layer; the top end of the grounding wire is fixedly connected with the outer wall of the operation frame; the grounding wire slides through the outer wall of the bottom shell; the bottom end of the grounding wire is fixedly connected with a fastening clamping plate; the middle part of the fastening splint is provided with a grounding anchor; the crank arm vehicle runs to a power transmission line to be overhauled, an overhauling staff stands in the operation frame, the grounding anchor is inserted into the soil of the roadside, and the fastening clamping plate is fixedly connected with the top of the grounding anchor by using a bolt; if the overhauling area is close to the telegraph pole or the power supply tower, the tightening clamp plate can be directly connected with a grounding device on the telegraph pole or the power supply tower; the operation frame is grounded, and the insulating rubber layer is coated in the operation frame, so that the accidental electric shock probability of an maintainer is reduced, and the falling probability of the maintainer can be effectively reduced by the operation frame; and then, the power transmission line is convenient to clean and overhaul by an overhaul worker, and the safety of the overhaul worker is improved.
Preferably, a first wire wheel is rotatably arranged in the middle of the inner cavity of the bottom shell; the grounding wire is uniformly wound on the first wire wheel; a gear ring is fixedly connected with the outer ring at the bottom of the first wire wheel; one side of the inner cavity of the bottom shell, which is far away from the grounding wire, is fixedly connected with a mounting frame; a first motor is fixedly connected to one side, close to the first wire wheel, of the mounting frame; a gear is fixedly connected with a rotating shaft of the first motor; the gear is meshed with the gear ring; the first motor drives the gear to rotate, drives the gear ring to rotate, drives the first wire wheel to rotate, and controls the release and recovery of the grounding wire.
Preferably, a slideway is bolted to one side of the inner cavity of the bottom shell, which is close to the grounding wire; the slideway is in a flat funnel shape; the outlet end of the slideway penetrates through the outer wall of the bottom shell; the grounding wire slides through the slideway; the ground wire is guided through the arranged slide way, so that the winding probability of the ground wire is reduced; and through the slide that sets up, can effectually reduce the friction between ground wire and the drain pan, reduced the wearing and tearing of ground wire.
Preferably, an auxiliary cleaning unit is arranged at the top of one side of the operation frame far away from the crank arm vehicle; the auxiliary cleaning unit comprises an extension arm; an extension arm is arranged at the top of one side of the operation frame far away from the crank arm vehicle; a chute is formed in the top surface of the extension arm; a screw rod is rotatably arranged in the middle of the chute; the top surface of the extension arm, which is close to one end of the operation frame, is provided with a mounting groove which is communicated with the sliding groove; a second motor is fixedly connected inside the mounting groove on the extension arm; the rotating shaft of the second motor is fixedly connected with the end part of the screw rod; a sliding block is arranged in the sliding groove in a sliding manner; the middle part of the sliding block is provided with a screw hole; the screw rod penetrates through the screw hole of the sliding block, and is in threaded fit with the screw hole of the sliding block; the top surface of the sliding block is provided with a clamping structure which is used for clamping sundries on the power transmission line; therefore, sundries on the transmission line are cleaned, and the maintainer keeps a safe distance from the transmission line, so that the electric shock probability of the maintainer is reduced.
Preferably, the clamping structure comprises an insulating base; the top surface of the sliding block is fixedly connected with the insulating base; a pair of scissor-type support arms are rotatably arranged at the top of the insulating base; an insert is fixedly connected to the top surface of one end of the scissor-type support arm, which is close to the operation frame; a transverse guide groove is formed in one surface, close to the two inserts, of the insert; a third motor is fixedly connected to the top surface of the insulating base; an elliptical rotating wheel is fixedly connected with a rotating shaft of the third motor; an annular guide groove is formed in the outer ring of the elliptical rotating wheel; a connecting rod is arranged between the transverse guide groove and the annular guide groove; both ends of the connecting rod are spherical; the two ends of the connecting rod are respectively in sliding fit with the transverse guide groove and the annular guide groove; the top surface of one end of the scissor-type support arm far away from the operation frame is provided with an installation clamping groove; the clamping arms are slidably arranged in the mounting clamping grooves; one end of the clamping arm, which is close to the scissor-type support arm, is matched with the mounting clamping groove; the top surface of the installation clamping groove is bolted with a fixing plate; when the long diameter of the elliptical rotating wheel rotates to the vertical direction, the inserts at the two sides are driven to be close to each other, so that one ends of the two scissor-type support arms, which are far away from the inserts, are far away from each other, and the two clamping arms are far away from each other and are unfolded; when the long diameter of the elliptical rotating wheel rotates to the horizontal direction, the inserts at the two sides are driven to be away from each other, so that one ends of the two scissor-type support arms, which are away from the inserts, are close to each other, and the two clamping arms are attached and clamped; the two clamping arms are close to clamp sundries on the transmission line, so that the work of clamping and fixing the sundries on the transmission line is completed.
Preferably, the top surface of the clamping arm is bolted with an L-shaped plate; the bottom surface of the clamping arm is bolted with a cutter; the L-shaped plates at the two sides correspond to each other; the cutters at the two sides can be in sliding contact with each other; the two L-shaped plates are close to each other to clamp sundries on the power transmission line; cutting sundries on the power transmission line by two cutters which are close to each other; thereby facilitating the cleaning work of the maintenance personnel.
Preferably, a sliding rail is fixedly connected to the top surface of one side of the operation frame, which is far away from the crank arm vehicle; a sliding seat is arranged at the top of the sliding rail in a sliding manner; the top surface of the sliding seat is connected with the extension arm through a ball head rod; the sliding seat slides along the sliding rail, so that the horizontal position of the extension arm of the overhauling personnel can be conveniently controlled; meanwhile, through the ball head rod, the angle of the extension arm is convenient for an overhaul worker to control.
Preferably, one end of the extension arm, which is close to the operation frame, is fixedly connected with a circular shell; a second wire wheel is rotatably arranged in the middle of the inner cavity of the circular shell; a torsion spring is arranged on the rotating shaft of the second wire wheel; a pull rope is arranged on the second wire wheel in a surrounding mode; a ring plate is fixedly connected to the top of the inner cavity of the circular shell; the pull rope penetrates through the annular plate in a sliding manner, and the bottom of the pull rope penetrates through the bottom of the circular shell in a sliding manner; a pressing plate is slidably arranged at the top of the annular plate; the top surface of the pressing plate is rotatably provided with a screw rod; the screw rod penetrates through the top of the circular shell and is in threaded fit with the circular shell; the bottom end of the pull rope is fixedly connected with a hook; a cross rod is fixedly connected to the top of one surface of the operation frame, which is close to the extension arm; the hook is in sliding fit with the cross rod; the length of pulling out of the pull rope is controlled, the extension arm is tensioned, and then overhauling and cleaning work is conveniently carried out by overhauling staff.
Preferably, one side of the inner part of the circular shell is fixedly connected with an arc-shaped guide plate, and the arc-shaped guide plate is positioned at one side of the pull rope in the sliding-out direction; the outer wall of the arc-shaped guide plate is in sliding fit with the pull rope; through the arc baffle that sets up, separate between the position and the No. two wire wheels that the stay cord was pulled out, avoided the position that the stay cord was pulled out to twine to the No. two wire wheels on causing the chucking knot of stay cord.
Preferably, the bottom surface of one end of the extension arm, which is close to the operation frame, is fixedly connected with a counterweight frame; a plurality of weight plates are stacked in the weight frame, and the weight plates are fixed in the weight frame through bolts; the quantity of the counterweight plates is controlled, so that the two ends of the extension arm are in a relatively balanced state, the force required by an maintainer during operation is reduced, and the operation of the maintainer is facilitated.
The beneficial effects of the invention are as follows:
1. the invention relates to an electric power overhaul protection device, which is characterized in that a crank arm vehicle, an operation frame, a grounding wire, a fastening splint and a grounding anchor are arranged; the crank arm vehicle runs to a power transmission line to be overhauled, an overhauling staff stands in the operation frame, the grounding anchor is inserted into the soil of the roadside, and the fastening clamping plate is fixedly connected with the top of the grounding anchor by using a bolt; if the overhauling area is close to the telegraph pole or the power supply tower, the tightening clamp plate can be directly connected with a grounding device on the telegraph pole or the power supply tower; the operation frame is grounded, and the insulating rubber layer is coated in the operation frame, so that the accidental electric shock probability of an maintainer is reduced, and the falling probability of the maintainer can be effectively reduced by the operation frame; and then, the power transmission line is convenient to clean and overhaul by an overhaul worker, and the safety of the overhaul worker is improved.
2. The invention relates to an electric power overhaul protection device, which is provided with an insulating base, a scissor-type support arm, a third motor, an oval rotating wheel, a connecting rod, an insert and a clamping arm; after the clamping structure is close to sundries on the power transmission line, the two clamping arms are positioned at two sides of the sundries on the power transmission line; the third motor drives the elliptical rotating wheel to rotate, so that the connecting rod slides along the annular guide groove and the transverse guide groove; when the long diameter of the elliptical rotating wheel rotates to the vertical direction, the inserts at the two sides are driven to be close to each other, so that one ends of the two scissor-type support arms, which are far away from the inserts, are far away from each other, and the two clamping arms are far away from each other and are unfolded; when the long diameter of the elliptical rotating wheel rotates to the horizontal direction, the inserts at the two sides are driven to be away from each other, so that one ends of the two scissor-type support arms, which are away from the inserts, are close to each other, and the two clamping arms are attached and clamped; thereby completing the work of clamping and fixing sundries on the transmission line.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of an operation frame in accordance with a first embodiment of the present invention;
fig. 3 is an internal structural view of a bottom chassis in the first embodiment of the present invention;
FIG. 4 is a perspective view of an auxiliary cleaning unit according to a first embodiment of the present invention;
FIG. 5 is an exploded view of an auxiliary cleaning unit according to a first embodiment of the present invention;
FIG. 6 is a perspective view of a clamping structure according to a first embodiment of the present invention;
FIG. 7 is an exploded view of a clamping structure according to a first embodiment of the present invention;
FIG. 8 is a cross-sectional view of an elliptical wheel and insert according to one embodiment of the present invention;
FIG. 9 is a perspective view of a clamp arm, L-shaped plate and cutter according to one embodiment of the present invention;
FIG. 10 is a view showing the internal structure of a circular housing according to the first embodiment of the present invention;
FIG. 11 is a partial block diagram of an extension arm in accordance with a second embodiment of the present invention;
in the figure: 1. crank arm vehicle; 2. an operation frame; 3. a bottom case; 4. a ground wire; 5. a fastening splint; 6. a ground anchor; 7. a first wire wheel; 8. a gear ring; 9. a mounting frame; 10. a motor I; 11. a gear; 12. a slideway; 13. an extension arm; 14. a chute; 15. a screw rod; 16. a motor II; 17. a slide block; 18. an insulating base; 19. a scissor-type support arm; 20. an insert; 21. a transverse guide slot; 22. a third motor; 23. an elliptical wheel; 24. an annular guide groove; 25. a connecting rod; 26. installing a clamping groove; 27. a clamp arm; 28. a fixing plate; 29. an L-shaped plate; 30. a cutter; 31. a slide rail; 32. a slide; 33. a ball head rod; 34. a circular housing; 35. a second wire wheel; 36. a pull rope; 37. a ring plate; 38. a pressing plate; 39. a screw; 40. a hook; 41. a cross bar; 42. an arc-shaped guide plate; 43. a counterweight frame; 44. and (5) a weight plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: as shown in fig. 1 to 3, an electric power overhaul protection device according to an embodiment of the present invention includes a crank arm vehicle 1; an operation frame 2 is hinged to the end part of a crank arm of the crank arm vehicle 1, and an insulating rubber pad is coated on the inner wall of the operation frame 2; the bottom surface of the operation frame 2 is provided with a grounding unit; the grounding unit comprises a bottom shell 3 fixedly connected to the ground of the operation frame 2; a grounding wire 4 is arranged in the bottom shell 3; an outer ring of the grounding wire 4 is coated with an insulating rubber layer; the top end of the grounding wire 4 is fixedly connected with the outer wall of the operation frame 2; the grounding wire 4 penetrates through the outer wall of the bottom shell 3 in a sliding manner; the bottom end of the grounding wire 4 is fixedly connected with a fastening clamping plate 5; the middle part of the fastening splint 5 is provided with a grounding anchor 6; when the electric power transmission line maintenance device works, when sundries on the electric power transmission line are required to be cleaned, and when the electric power transmission line is overhauled, the crank arm vehicle 1 is driven to the electric power transmission line to be overhauled, an overhauler stands in the operation frame 2, the grounding anchor 6 is inserted into the soil of the roadside, and the fastening clamping plate 5 is fixedly connected with the top of the grounding anchor 6 by using a bolt; if the overhauling area is close to the telegraph pole or the power supply tower, the tightening clamp plate 5 can be directly connected with a grounding device on the telegraph pole or the power supply tower; the crank arm vehicle 1 lifts the operation frame 2 to an area to be cleaned and overhauled of the transmission line, and overhauling staff performs cleaning and overhauling work; the operation frame 2 is grounded, and the insulating rubber layer is coated in the operation frame 2, so that the accidental electric shock probability of an maintainer is reduced, and the falling probability of the maintainer can be effectively reduced by the operation frame 2; and then, the power transmission line is convenient to clean and overhaul by an overhaul worker, and the safety of the overhaul worker is improved.
As shown in fig. 3, a first wire wheel 7 is rotatably installed in the middle of the inner cavity of the bottom shell 3; the grounding wire 4 is uniformly wound on the first wire wheel 7; the outer ring of the bottom of the first wire wheel 7 is fixedly connected with a gear ring 8; one side of the inner cavity of the bottom shell 3, which is far away from the grounding wire 4, is fixedly connected with a mounting frame 9; a first motor 10 is fixedly connected to one side of the mounting frame 9, which is close to the first wire wheel 7; a gear 11 is fixedly connected with the rotating shaft of the first motor 10; the gear 11 is meshed with the gear ring 8; when the crank arm vehicle 1 lifts the operation frame 2, the first motor 10 drives the gear 11 to rotate, drives the gear ring 8 to rotate, drives the first wire wheel 7 to rotate, and releases the grounding wire 4 on the outer ring of the first wire wheel 7, so that the grounding wire 4 is prevented from being pulled and broken by the movement of the operation frame 2; when the crank arm vehicle 1 lifts the operation frame 2 to descend, the first motor 10 rotates reversely, the first wire wheel 7 is driven to rotate reversely through the transmission of the gear 11 and the gear ring 8, and the grounding wire 4 is recovered to the first wire wheel 7, so that the recovery of the grounding wire 4 is completed.
As shown in fig. 3, a slide way 12 is bolted to one side of the inner cavity of the bottom shell 3, which is close to the ground wire 4; the slideway 12 is in a flat funnel shape; the outlet end of the slideway 12 penetrates through the outer wall of the bottom shell 3; the grounding wire 4 slides through the slideway 12; the ground wire 4 is guided through the arranged slide ways 12, so that the winding probability of the ground wire 4 is reduced; and through the slide 12 that sets up, can effectually reduce the friction between ground wire 4 and the drain pan 3, reduced the wearing and tearing of ground wire 4.
As shown in fig. 1, 2, 4 and 5, an auxiliary cleaning unit is arranged at the top of one side of the operation frame 2 away from the crank arm vehicle 1; the auxiliary cleaning unit comprises an extension arm 13; an extension arm 13 is arranged at the top of one side of the operation frame 2 far away from the crank arm vehicle 1; a chute 14 is formed in the top surface of the extension arm 13; a screw rod 15 is rotatably arranged in the middle of the chute 14; the top surface of the extension arm 13, which is close to one end of the operation frame 2, is provided with a mounting groove which is communicated with the sliding groove 14; a second motor 16 is fixedly connected in the mounting groove on the extension arm 13; the rotating shaft of the second motor 16 is fixedly connected with the end part of the screw rod 15; a sliding block 17 is slidably arranged in the sliding groove 14; the middle part of the sliding block 17 is provided with a screw hole; the screw rod 15 penetrates through a screw hole of the sliding block 17, and the screw rod 15 is in threaded fit with the screw hole of the sliding block 17; the top surface of the sliding block 17 is provided with a clamping structure which is used for clamping sundries on the power transmission line; during operation, crank arm car 1 lifts operation frame 2 to the region of waiting of transmission line to clear up and overhaul after, maintainer control extension arm 13 is directional debris on the transmission line, no. two motor 16 drives lead screw 15 rotation, drive slider 17 slides along spout 14, drive the debris on the clamping structure is close to the transmission line, after the debris centre gripping on the transmission line is passed through to the clamping structure, no. two motor 16 is reversed, drive lead screw 15 is reversed, drive slider 17 moves to operation frame 2, make the clamping structure with debris centre gripping be close to operation frame 2, maintainer takes off debris on the clamping structure, thereby accomplish debris cleaning work on the transmission line, and, maintainer keeps safe distance with transmission line, thereby reduce maintainer's probability of electric shock.
As shown in fig. 4 to 9, the clamping structure includes an insulating base 18; the top surface of the sliding block 17 is fixedly connected with the insulating base 18; a pair of scissor arms 19 are rotatably mounted on the top of the insulating base 18; an insert 20 is fixedly connected to the top surface of one end of the scissor-type support arm 19, which is close to the operation frame 2; a transverse guide groove 21 is formed in the surface, close to the two inserts 20; a third motor 22 is fixedly connected to the top surface of the insulating base 18; an elliptical rotating wheel 23 is fixedly connected with the rotating shaft of the third motor 22; an annular guide groove 24 is formed in the outer ring of the elliptical rotating wheel 23; a connecting rod 25 is arranged between the transverse guide groove 21 and the annular guide groove 24; both ends of the connecting rod 25 are spherical; the two ends of the connecting rod 25 are respectively in sliding fit with the transverse guide groove 21 and the annular guide groove 24; the top surface of one end of the scissor-type support arm 19 far away from the operation frame 2 is provided with a mounting clamping groove 26; a clamping arm 27 is slidably arranged in the mounting clamping groove 26; one end of the clamping arm 27, which is close to the scissor-type support arm 19, is matched with the mounting clamping groove 26; the top surface of the mounting clamping groove 26 is bolted with a fixing plate 28; when the clamping structure works, after the clamping structure is close to sundries on the power transmission line, the two clamping arms 27 are positioned at two sides of the sundries on the power transmission line; the third motor 22 drives the elliptical rotating wheel 23 to rotate, so that the connecting rod 25 slides along the annular guide groove 24 and the transverse guide groove 21; when the long diameter of the elliptical rotating wheel 23 rotates to the vertical direction, the inserts 20 on two sides are driven to be close to each other, so that one ends of the two scissor-type support arms 19, which are far away from the inserts 20, are far away from each other, and the two clamping arms 27 are far away from each other to be unfolded; when the long diameter of the elliptical rotating wheel 23 rotates to the horizontal direction, the inserts 20 on two sides are driven to be away from each other, so that one ends of the two scissor-type support arms 19 away from the inserts 20 are close to each other, and the two clamping arms 27 are attached and clamped; the two clamping arms 27 are close to clamp sundries on the power transmission line, so that the work of clamping and fixing the sundries on the power transmission line is completed.
As shown in fig. 7 and 10, the top surface of the clamping arm 27 is bolted with an L-shaped plate 29; the bottom surface of the clamping arm 27 is bolted with a cutter 30; the L-shaped plates 29 at the two sides correspond to each other; the cutters 30 at the two sides can be in sliding contact; when the clamping arm 27 is installed in the installation clamping groove 26, the L-shaped plates 29 on the two clamping arms 27 are close to each other, and the impurities on the power transmission line are clamped by the two L-shaped plates 29 being close to each other; when more sundries on the transmission line are inconvenient to clamp and take down, the clamping arms 27 are taken down, the clamping arms 27 are turned over and then are installed, so that the cutters 30 on the two clamping arms 27 are close to each other, and the sundries on the transmission line are sheared through the close of the two cutters 30; thereby facilitating the cleaning work of the maintenance personnel.
As shown in fig. 2, 4 and 5, a sliding rail 31 is fixedly connected to the top surface of one side of the operation frame 2 away from the crank arm vehicle 1; the top of the sliding rail 31 is slidably provided with a sliding seat 32; the top surface of the sliding seat 32 is connected with the extension arm 13 through a ball head rod 33; when the maintenance personnel operate the extension arm 13 in operation, the sliding seat 32 slides along the sliding rail 31, so that the horizontal position of the extension arm 13 of the maintenance personnel can be conveniently controlled; meanwhile, through the arranged ball head rod 33, the angle of the extension arm 13 is convenient to control by an overhaul worker.
As shown in fig. 4, 5 and 10, one end of the extension arm 13, which is close to the operation frame 2, is fixedly connected with a circular shell 34; a second wire wheel 35 is rotatably arranged in the middle of the inner cavity of the circular shell 34; a torsion spring is arranged on the rotating shaft of the second wire wheel 35; a pull rope 36 is arranged on the second wire wheel 35 in a surrounding manner; the top of the inner cavity of the circular shell 34 is fixedly connected with a ring plate 37; the pull rope 36 slides through the annular plate 37, and the bottom of the pull rope 36 slides through the bottom of the circular shell 34; a pressing plate 38 is slidably arranged on the top of the annular plate 37; the top surface of the pressing plate 38 is rotatably provided with a screw 39; the screw 39 penetrates through the top of the circular shell 34, and the screw 39 is in threaded fit with the circular shell 34; a hook 40 is fixedly connected to the bottom end of the pull rope 36; a cross bar 41 is fixedly connected to the top of one surface of the operation frame 2, which is close to the extension arm 13; the hook 40 is in sliding fit with the cross bar 41; when the maintenance personnel adjust the position of the extension arm 13, the hook 40 is pulled, the pull rope 36 is pulled out from the outer ring of the second wire wheel 35, the hook 40 is hung on the cross rod 41, at the moment, the torsion spring on the rotating shaft of the second wire wheel 35 is reset, the second wire wheel 35 is driven to rotate reversely, the pull rope 36 is tightened, the maintenance personnel rotates the screw 39, the pressing plate 38 is pushed to descend, the pull rope 36 is clamped and fixed by the cooperation of the annular plate 37, the pull length of the pull rope 36 is controlled, the extension arm 13 is tensioned, and maintenance personnel are convenient to maintain and clean.
As shown in fig. 10, an arc guide plate 42 is fixedly connected to one side of the interior of the circular housing 34, and the arc guide plate 42 is located at one side of the pull rope 36 in the sliding direction; the outer wall of the arc-shaped guide plate 42 is in sliding fit with the pull rope 36; through the arc-shaped guide plate 42, the part pulled out of the pull rope 36 is separated from the second wire wheel 35, and the phenomenon that the pull rope 36 is clamped and knotted due to the fact that the part pulled out of the pull rope 36 is wound on the second wire wheel 35 is avoided.
Embodiment two: as shown in fig. 11, in comparative example one, another embodiment of the present invention is: a counterweight frame 43 is fixedly connected to the bottom surface of one end of the extension arm 13, which is close to the operation frame 2; a plurality of weight plates 44 are stacked inside the weight frame 43, and the weight plates 44 are fixed inside the weight frame 43 by bolts; during operation, the maintenance personnel control the quantity of the counterweight plates 44 according to the requirements, so that the two ends of the extension arm 13 are in a relatively balanced state, thereby reducing the force required by the maintenance personnel during operation and facilitating the operation of the maintenance personnel.
Working principle: when sundries on a power transmission line are required to be cleaned and the power transmission line is overhauled, the crank arm vehicle 1 is driven to the power transmission line to be overhauled, an overhauling personnel stands in the operation frame 2, the grounding anchor 6 is inserted into the soil of the roadside, and the fastening clamping plate 5 is fixedly connected with the top of the grounding anchor 6 by using bolts; if the overhauling area is close to the telegraph pole or the power supply tower, the tightening clamp plate 5 can be directly connected with a grounding device on the telegraph pole or the power supply tower; the operation frame 2 is grounded, and the insulating rubber layer is coated in the operation frame 2, so that the accidental electric shock probability of an maintainer is reduced, and the falling probability of the maintainer can be effectively reduced by the operation frame 2;
when the crank arm vehicle 1 lifts the operation frame 2, the first motor 10 drives the gear 11 to rotate, drives the gear ring 8 to rotate, drives the first wire wheel 7 to rotate, and releases the grounding wire 4 on the outer ring of the first wire wheel 7;
after the crank arm vehicle 1 lifts the operation frame 2 to the region to be cleaned and overhauled of the transmission line,
when the sundries on the power transmission line are required to be clamped and removed, the clamping arms 27 are installed in the installation clamping grooves 26, so that the L-shaped plates 29 on the two clamping arms 27 are close to each other; when more sundries on the transmission line are inconvenient to clamp and take down, the clamping arms 27 are taken down, the clamping arms 27 are turned over and then are installed, so that the cutters 30 on the two clamping arms 27 are close to each other, and the sundries on the transmission line are sheared through the close of the two cutters 30;
the maintenance personnel controls the extension arm 13 to point to sundries on the transmission line, pulls the hook 40 to pull the pull rope 36 out of the outer ring of the second wire wheel 35, hangs the hook 40 on the cross rod 41, at the moment, the torsion spring on the rotating shaft of the second wire wheel 35 resets to drive the second wire wheel 35 to rotate reversely, tightens the pull rope 36, rotates the screw 39 by the maintenance personnel, pushes the pressing plate 38 to descend, and cooperates with the annular plate 37 to tighten and fix the pull rope 36, so that the pull length of the pull rope 36 is controlled, and the extension arm 13 is tensioned;
the second motor 16 drives the screw rod 15 to rotate, and the driving sliding block 17 slides along the sliding groove 14 to drive the clamping structure to be close to sundries on the power transmission line; the third motor 22 drives the elliptical rotating wheel 23 to rotate, so that the connecting rod 25 slides along the annular guide groove 24 and the transverse guide groove 21; when the long diameter of the elliptical rotating wheel 23 rotates to the vertical direction, the inserts 20 on two sides are driven to be close to each other, so that one ends of the two scissor-type support arms 19, which are far away from the inserts 20, are far away from each other, and the two clamping arms 27 are far away from each other to be unfolded; when the long diameter of the elliptical rotating wheel 23 rotates to the horizontal direction, the inserts 20 on two sides are driven to be away from each other, so that one ends of the two scissor-type support arms 19 away from the inserts 20 are close to each other, and the two clamping arms 27 are attached and clamped; cutting sundries on the power transmission line by a cutter 30; the sundries on the power transmission line are clamped through the L-shaped plate 29; after sundries on the transmission line are clamped, the motor II is reversed to drive the screw rod 15 to be reversed, the sliding block 17 is driven to move towards the operation frame 2, the clamping structure clamps the sundries close to the operation frame 2, and an maintainer takes down the sundries on the clamping structure, so that sundries on the transmission line are cleaned, and the maintainer keeps a safe distance from the transmission line, so that the electric shock probability of the maintainer is reduced; not only is the cleaning and maintenance work of the power transmission line by the maintenance personnel convenient, but also the safety of the maintenance personnel is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An electric power overhauls protection device, its characterized in that: comprises a crank arm vehicle (1); an operation frame (2) is hinged at the end part of a crank arm of the crank arm vehicle (1), and an insulating rubber pad is coated on the inner wall of the operation frame (2);
the bottom surface of the operation frame (2) is provided with a grounding unit; the grounding unit comprises a bottom shell (3) fixedly connected to the ground of the operation frame (2); a grounding wire (4) is arranged in the bottom shell (3); an outer ring of the grounding wire (4) is coated with an insulating rubber layer; the top end of the grounding wire (4) is fixedly connected with the outer wall of the operation frame (2); the grounding wire (4) penetrates through the outer wall of the bottom shell (3) in a sliding mode; the bottom end of the grounding wire (4) is fixedly connected with a fastening splint (5); the middle part of the fastening splint (5) is provided with a grounding anchor (6);
a first wire wheel (7) is rotatably arranged in the middle of the inner cavity of the bottom shell (3); the grounding wire (4) is uniformly wound on the first wire wheel (7); a gear ring (8) is fixedly connected with the outer ring at the bottom of the first wire wheel (7); one side of the inner cavity of the bottom shell (3) far away from the grounding wire (4) is fixedly connected with a mounting frame (9); a first motor (10) is fixedly connected to one side, close to the first wire wheel (7), of the mounting frame (9); a gear (11) is fixedly connected with a rotating shaft of the first motor (10); the gear (11) is meshed with the gear ring (8);
one side of the inner cavity of the bottom shell (3) close to the grounding wire (4) is bolted with a slideway (12); the slideway (12) is in a flat funnel shape; the outlet end of the slideway (12) penetrates through the outer wall of the bottom shell (3); the grounding wire (4) penetrates through the slideway (12) in a sliding manner;
an auxiliary cleaning unit is arranged at the top of one side of the operation frame (2) far away from the crank arm vehicle (1); the auxiliary cleaning unit comprises an extension arm (13); an extension arm (13) is arranged at the top of one side of the operation frame (2) far away from the crank arm vehicle (1); a chute (14) is formed in the top surface of the extension arm (13); a screw rod (15) is rotatably arranged in the middle of the sliding groove (14); the top surface of the extension arm (13) close to one end of the operation frame (2) is provided with a mounting groove which is communicated with the sliding groove (14); a second motor (16) is fixedly connected in the installation groove on the extension arm (13); the rotating shaft of the second motor (16) is fixedly connected with the end part of the screw rod (15); a sliding block (17) is arranged in the sliding groove (14) in a sliding manner; the middle part of the sliding block (17) is provided with a screw hole; the screw rod (15) penetrates through a screw hole of the sliding block (17), and the screw rod (15) is in threaded fit with the screw hole of the sliding block (17); the top surface of the sliding block (17) is provided with a clamping structure which is used for clamping sundries on the power transmission line;
the clamping structure comprises an insulating base (18); the top surface of the sliding block (17) is fixedly connected with the insulating base (18); a pair of scissor-type support arms (19) are rotatably arranged at the top of the insulating base (18); an insert (20) is fixedly connected to the top surface of one end of the scissor-type support arm (19) close to the operation frame (2); a transverse guide groove (21) is formed in one surface, close to the two inserts (20); a third motor (22) is fixedly connected to the top surface of the insulating base (18); an elliptical rotating wheel (23) is fixedly connected with a rotating shaft of the third motor (22); an annular guide groove (24) is formed in the outer ring of the elliptical rotating wheel (23); a connecting rod (25) is arranged between the transverse guide groove (21) and the annular guide groove (24); both ends of the connecting rod (25) are spherical; the two ends of the connecting rod (25) are respectively in sliding fit with the transverse guide groove (21) and the annular guide groove (24); the top surface of one end of the scissor-type support arm (19) far away from the operation frame (2) is provided with a mounting clamping groove (26); a clamping arm (27) is slidably arranged in the mounting clamping groove (26); one end of the clamping arm (27) close to the scissor-type support arm (19) is matched with the mounting clamping groove (26); the top surface of the mounting clamping groove (26) is bolted with a fixing plate (28).
2. The electrical service protection device of claim 1, wherein: the top surface of the clamping arm (27) is bolted with an L-shaped plate (29); the bottom surface of the clamping arm (27) is bolted with a cutter (30); the L-shaped plates (29) at the two sides are corresponding to each other; the cutters (30) on both sides can be in sliding contact.
3. The electrical service protection device of claim 1, wherein: a sliding rail (31) is fixedly connected to the top surface of one side, far away from the crank arm vehicle (1), of the operation frame (2); a sliding seat (32) is arranged at the top of the sliding rail (31) in a sliding manner; the top surface of the sliding seat (32) is connected with the extension arm (13) through a ball head rod (33).
4. The electrical service protection device of claim 1, wherein: one end of the extension arm (13) close to the operation frame (2) is fixedly connected with a circular shell (34); a second wire wheel (35) is rotatably arranged in the middle of the inner cavity of the circular shell (34); a torsion spring is arranged on the rotating shaft of the second wire wheel (35); a pull rope (36) is arranged on the second wire wheel (35) in a surrounding mode; the top of the inner cavity of the circular shell (34) is fixedly connected with a ring plate (37); the pull rope (36) penetrates through the annular plate (37) in a sliding mode, and the bottom of the pull rope (36) penetrates through the bottom of the circular shell (34) in a sliding mode; a pressing plate (38) is slidably arranged on the top of the annular plate (37); the top surface of the pressing plate (38) is rotatably provided with a screw rod (39); the screw rod (39) penetrates through the top of the circular shell (34), and the screw rod (39) is in threaded fit with the circular shell (34); a hook (40) is fixedly connected to the bottom end of the pull rope (36); a cross rod (41) is fixedly connected to the top of one surface of the operation frame (2) close to the extension arm (13); the hook (40) is in sliding fit with the cross bar (41).
5. The electrical service protection device of claim 4, wherein: an arc-shaped guide plate (42) is fixedly connected to one side of the inside of the circular shell (34), and the arc-shaped guide plate (42) is positioned at one side of the pull rope (36) in the sliding-out direction; the outer wall of the arc-shaped guide plate (42) is in sliding fit with the pull rope (36).
6. The electrical service protection device of claim 1, wherein: a counterweight frame (43) is fixedly connected to the bottom surface of one end, close to the operation frame (2), of the extension arm (13); a plurality of weight plates (44) are stacked in the weight frame (43), and the weight plates (44) are fixed in the weight frame (43) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311143342.4A CN117317877B (en) | 2023-09-06 | 2023-09-06 | Electric power overhauls protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311143342.4A CN117317877B (en) | 2023-09-06 | 2023-09-06 | Electric power overhauls protection device |
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| CN117317877A CN117317877A (en) | 2023-12-29 |
| CN117317877B true CN117317877B (en) | 2024-03-01 |
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| CN202311143342.4A Active CN117317877B (en) | 2023-09-06 | 2023-09-06 | Electric power overhauls protection device |
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| CN115411656A (en) * | 2022-07-20 | 2022-11-29 | 国网江苏省电力有限公司灌云县供电分公司 | Transmission line work robot |
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| CN102412527A (en) * | 2011-12-02 | 2012-04-11 | 河南省电力公司南阳供电公司 | Controllable lifting live crossover device and construction method thereof |
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|---|---|
| CN117317877A (en) | 2023-12-29 |
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