CN112582942B - Change transmission line overhead ground wire specialized tool - Google Patents
Change transmission line overhead ground wire specialized tool Download PDFInfo
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- CN112582942B CN112582942B CN202011612879.7A CN202011612879A CN112582942B CN 112582942 B CN112582942 B CN 112582942B CN 202011612879 A CN202011612879 A CN 202011612879A CN 112582942 B CN112582942 B CN 112582942B
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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 relates to the technical field of line replacement equipment, and discloses a special tool for replacing an overhead lightning conductor of a power transmission line, which comprises a support main body and an iron tower frame, wherein one side of the support main body is provided with an auxiliary support, fixing frames are arranged in the support main body and the auxiliary support, a hinge is arranged between the support main body and the auxiliary support, the top ends of the support main body and the auxiliary support are respectively provided with a fixing hoop, a telescopic rod is arranged between the support main bodies, and the lower ends of the support main body and the auxiliary support are respectively provided with a base. According to the special tool for replacing the overhead ground wire of the power transmission line, the support main body is assembled with the telescopic rod for use, so that the support main body is convenient to carry and transport, and the assembly is quick and convenient; the support main body is stably fixed on the iron tower frame through the matching of the base and the top seat, the influence on the stability of the support main body caused by the loosening of the bolt can be effectively reduced, and the friction force borne by the lightning conductor in the traction process is reduced by utilizing the rolling of the rolling balls in the arc-shaped grooves.
Description
Technical Field
The invention relates to the technical field of line replacement equipment, in particular to a special tool for replacing an overhead ground wire of a power transmission line.
Background
The lightning conductor is usually matched with a lightning protection net and a lightning rod for use, lightning enters the lightning conductor from the sky from the lightning rod to the buried lightning protection net, the lightning conductor is a facility for eliminating lightning stroke to protect buildings or instruments, in order to fully protect the cable at the top of the tower, the lightning conductor is generally erected along the whole line in a 110-220 line, so that the kilovolt lightning conductor is connected across the tower, but once the lightning conductor is damaged, the line needs to be replaced across the tower by a large margin, and the work burden is caused to electrical maintenance personnel.
The overhead lightning conductor specialized tool of current change transmission line fixes the lightning conductor at the top of the tower mostly through prefabricated support, pass the support through connecting new and old lightning conductor, pull again and can accomplish the circuit and change, but the lightning conductor is pulled the in-process at the support and is appeared wearing and tearing easily, the condition that the card pause appears pulling even, in addition because prefabricated supporting structure is big, heavy, the staff is difficult to carry the support to the top of the tower, troublesome poeration when installing, and then increase staff's work burden, we propose a change transmission line overhead lightning conductor specialized tool for this reason.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a special tool for replacing an overhead lightning conductor of a power transmission line, which has the advantages of convenience in mounting, dismounting, folding and transportation, realization of quick assembly, stable mounting, reduction in line abrasion and blockage, convenience in lightning conductor traction replacement and the like, and solves the problems that the lightning conductor is abraded and even dragged and blocked in support traction in the traditional lightning conductor replacement process, the prefabricated support has a large structure and heavy weight, a worker is difficult to convey the support to the top of a tower, the operation is troublesome during mounting, and the work load of the worker is increased.
In order to realize the purposes of convenient assembly and disassembly, convenient folding and transportation, quick assembly, stable installation, reduction of line abrasion and blockage and convenient traction and replacement of the lightning conductor, the invention provides the following technical scheme: the utility model provides a change transmission line overhead ground wire specialized tool, includes support main part and iron tower frame, support main part one side is provided with the auxiliary stand, support main part and the inside mount that advances of auxiliary stand are provided with, be provided with the hinge between support main part and the auxiliary stand, support main part and auxiliary stand top all are provided with fixed hoop, be provided with the telescopic link between the support main part, support main part and auxiliary stand lower extreme all are provided with the base, both ends are provided with the fixed block about one side that the support main part is close to the auxiliary stand, both ends are provided with the inserted block about one side that the auxiliary stand is close to the support main part.
Preferably, the fixed mount is welded and fixed with the support main body and the auxiliary support in a prefabricating manner respectively, the fixed mount is obliquely arranged inside the support main body and the auxiliary support, and the support main body and the auxiliary support form an isosceles trapezoid through hinges.
Preferably, one side that the support main part is close to the coupling rod is provided with the hookup seat, the inside recess that is provided with of hookup seat, one side that the recess is close to the hookup seat is provided with the ring channel, the recess both sides are provided with the spout, the inside spring that is provided with of spout, the one end that the spout was kept away from to the spring is provided with the bullet piece, hookup seat and support main part fixed connection, the telescopic link passes through the recess and inserts inside the hookup seat.
Preferably, the two ends of the spring are respectively fixedly connected with the sliding groove and the elastic block, the elastic block slides and stretches in the sliding groove, and one end, far away from the spring, of the elastic block is conical.
Preferably, the one end that the telescopic link is close to the support main part is provided with the kicking block, one side that the telescopic link was kept away from to the kicking block is provided with the fixture block, telescopic link both ends lateral wall is provided with the bell jar, kicking block and telescopic link fixed connection.
Preferably, the clamping block and the jacking block are integrally formed, the clamping block is L-shaped, the annular groove is communicated with the groove, and the clamping block is inserted into the annular groove and clamped with the annular groove.
Preferably, the tapered slot is conical, the bullet piece passes through the tapered slot and pegs graft with the telescopic link, when the fixture block inserted the ring channel, bullet piece and tapered slot radial distance were ninety degrees perpendicularly.
Preferably, the inside silica gel seat that is provided with of fixed hoop, the inside arc wall that is provided with of silica gel seat, the inside ball that is provided with of arc wall, fixed hoop top is provided with the gasket, the inside through-hole that is provided with of gasket, the gasket both ends are provided with the screw, fixed hoop is the cuboid form, the ring form is encircleed in the linking of fixed hoop both ends, fixed hoop and the prefabricated welding of support subject.
Preferably, silica gel seat bottom and fixed hoop bottom inner wall center department fixed connection, the silica gel seat is the ring form, the arc wall is inside the silica gel seat inner wall, the ball centre of a circle is inside the arc wall, the ball passes through the arc wall and rotates in silica gel seat inside.
Preferably, the gasket is run through the through hole at the two ends of the fixing hoop, the two ends of the fixing hoop pass through the through hole and stretch to the two ends of the gasket, and the screw runs through the two ends of the fixing hoop and is fixedly connected with the gasket.
Preferably, the base is internally provided with a frame groove, slots are arranged on two sides of the frame groove, a top seat is arranged inside the slots, bolts penetrate through the top seat and the inside of the base, the base and the top seat are trapezoidal, the frame groove is also formed in the top seat, and the support main body and the iron tower frame are both located in the frame groove.
Preferably, the top seat is inserted into the slot, the side wall of the slot inclines, the slot is matched with the inclination of the side wall of the top seat, and the top seat is clamped with the base through the slot.
Preferably, the bolt penetrates through the top seat, the support main body, the iron tower frame and the base in sequence, and the base is fixedly connected with the top seat through the bolt.
Preferably, the fixed block and support main part fixed connection, the fixed block is the rectangle, the inside square groove that is provided with of fixed block, square groove width size and inserted block looks adaptation, the inserted block passes through the square groove and pegs graft with the fixed block.
Preferably, the auxiliary support is provided with a telescopic groove near the insertion block, one end of the insertion block far away from the telescopic groove is provided with a lead screw, one end of the lead screw far away from the insertion block is provided with a bevel gear, and one side of the bevel gear near the outer side of the auxiliary support is provided with a knob.
Preferably, the inside thread groove that is equipped with of inserted block, the lead screw passes through the thread groove and inserts inside the inserted block, the lead screw meshes with the thread groove mutually, the lead screw rotates with the inserted block to be connected, the inserted block slides at flexible inslot portion and stretches out and draws back.
Preferably, the screw rod penetrates through the telescopic groove and is fixedly connected with the bevel gears, the number of the bevel gears is two, the bevel gears are vertically arranged, and the bevel gears are fixedly connected with the knob.
Compared with the prior art, the invention provides a special tool for replacing an overhead ground wire of a power transmission line, which has the following beneficial effects:
1. this change transmission line overhead ground wire specialized tool, through set up the hinge between support subject and auxiliary stand, accessible hinge is folding each other between auxiliary stand and the support subject, again through pegging graft telescopic link and hookup seat, forms the equipment of telescopic link and support subject, makes the support subject can transport in advance to the top of the tower and assembles again, avoids the trouble that bulky support is difficult to the transportation, makes the support subject remove and carries more conveniently.
2. This change transmission line overhead ground wire specialized tool, one side that is close to the auxiliary stand through the support main part sets up the fixed block, when assembling the support, it makes support main part and auxiliary stand looks parallel and level to rotate the hinge, then rotate the knob, the knob drives the bevel gear and rotates, the bevel gear drives the lead screw and rotates, the lead screw rotates and promotes the inserted block and slide in flexible inslot, thereby make the inserted block insert the square inslot portion in the fixed block, make support main part and auxiliary stand be connected fixedly, insert the kicking block at telescopic link both ends the recess again, the kicking block promotes inside the fixture block inserts the ring channel through the recess, then rotate the telescopic link and make its rotation ninety degrees, the fixture block forms with the ring channel joint this moment, the bullet piece pops out in the spout by the thrust of spring simultaneously, the bullet piece inserts inside the conical channel, make flexible groove and support main part stable connection, it is more convenient to make support main part equipment, accelerate the speed of support main part equipment greatly.
3. This change transmission line overhead ground wire specialized tool, pull through passing the lightning conductor fixed hoop, the lightning conductor pulls the in-process and ball looks mutual friction, utilize the ball to roll and reduce the frictional force that the lightning conductor pulled the removal, utilize fixed hoop to run through the gasket through the through-hole simultaneously, it is fixed with fixed hoop both ends to utilize the screw, through drawing fixed hoop both ends, be convenient for adjust fixed hoop internal diameter, thereby be convenient for adjust the centre gripping dynamics of lightning conductor, and make the device be applicable to the lightning conductor of different specifications and support the use.
4. This change transmission line overhead ground wire specialized tool, through with support main part and iron tower frame cover in the frame inslot, recycle the footstock and slide into the slot from the base side, make base and footstock form the joint, recycle the bolt and run through footstock and base, make base and footstock stably be connected, base and footstock carry out synchronous extrusion to support main part and iron tower frame simultaneously, make the support main part be connected with iron tower frame not influenced by the bolt looseness, strengthen the stability that support main part and iron tower frame are connected greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the structural fixing band of the present invention;
FIG. 4 is a schematic view of the connection between the main body and the sub-frame of the structural support of the present invention;
FIG. 5 is a schematic view of the connection between the main body of the structural brace and the telescoping rod of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the connection of the base of the structure of the present invention.
In the figure: 1. a stent main body; 11. a coupling seat; 12. a groove; 13. an annular groove; 14. a chute; 15. a spring; 16. a spring block; 2. a sub-mount; 3. a fixed mount; 4. a hinge; 5. a fixing hoop; 51. a silica gel base; 52. an arc-shaped slot; 53. a ball bearing; 54. a gasket; 55. a through hole; 56. a screw; 6. a telescopic rod; 61. a top block; 62. a clamping block; 63. a tapered groove; 7. a base; 71. a rack groove; 72. a slot; 73. a top seat; 74. a bolt; 8. a fixed block; 81. a square groove; 9. inserting a block; 91. a telescopic groove; 92. a screw rod; 93. a bevel gear; 94. a knob; 10. an iron tower.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-7, a special tool for replacing an overhead ground wire of a power transmission line comprises a support main body 1 and an iron tower 10, wherein an auxiliary support 2 is arranged on one side of the support main body 1, a fixing frame 3 is arranged inside the support main body 1 and the auxiliary support 2, a hinge 4 is arranged between the support main body 1 and the auxiliary support 2, fixing hoops 5 are arranged at the top ends of the support main body 1 and the auxiliary support 2, an expansion link 6 is arranged between the support main body 1, bases 7 are arranged at the lower ends of the support main body 1 and the auxiliary support 2, fixing blocks 8 are arranged at the upper end and the lower end of one side, close to the auxiliary support 2, of the support main body 1, and inserting blocks 9 are arranged at the upper end and the lower end of one side, close to the support main body 1, of the auxiliary support 2.
The fixing frame 3 is respectively welded and fixed with the support main body 1 and the auxiliary support 2 in a prefabrication manner, the fixing frame 3 is obliquely arranged inside the support main body 1 and the auxiliary support 2 and is used for enhancing the stability of the support main body 1, and the support main body 1 and the auxiliary support 2 form an isosceles trapezoid through a hinge 4, so that the support main body 1 and the auxiliary support 2 can be conveniently folded and carried; one side of the bracket main body 1 close to the connecting rod is provided with a connecting seat 11, a groove 12 is arranged inside the connecting seat 11 and used for connecting the bracket main body 1 and the telescopic rod 6, one side of the groove 12 close to the connecting seat 11 is provided with an annular groove 13, two sides of the groove 12 are provided with sliding chutes 14, springs 15 are arranged inside the sliding chutes 14, one ends of the springs 15 far away from the sliding chutes 14 are provided with elastic blocks 16 and used for enhancing the stability of the connection of the bracket main body 1 and the telescopic rod 6, the connecting seat 11 is fixedly connected with the bracket main body 1, and the telescopic rod 6 is inserted into the connecting seat 11 through the groove 12, so that the telescopic rod 6 is convenient to be rapidly assembled; two ends of the spring 15 are respectively fixedly connected with the sliding groove 14 and the elastic block 16, the spring 15 is used for pushing the elastic block 16 to pop out from the sliding groove 14, the elastic block 16 slides and stretches in the sliding groove 14, and one end, away from the spring 15, of the sliding block is conical and used for facilitating the detachment of the telescopic rod 6 and the bracket main body 1; one end of the telescopic rod 6 close to the bracket main body 1 is provided with a top block 61, one side of the top block 61 far away from the telescopic rod 6 is provided with a fixture block 62 for connecting the telescopic rod 6 with the bracket main body 1, the side walls of two ends of the telescopic rod 6 are provided with tapered grooves 63 for clamping with the elastic blocks 16, and the top block 61 is fixedly connected with the telescopic rod 6; the fixture block 62 and the top block 61 are integrally formed, the fixture block 62 is in an L shape, the annular groove 13 is communicated with the groove 12, the fixture block 62 is conveniently inserted into the annular groove 13 through the groove 12, the fixture block 62 is inserted into the annular groove 13 and clamped with the annular groove 13, and the telescopic rod 6 is stably connected with the bracket main body 1; the conical groove 63 is conical, the elastic block 16 is inserted into the telescopic rod 6 through the conical groove 63 for further enhancing the connection stability of the telescopic rod 6 and the bracket main body 1, and when the clamping block 62 is inserted into the annular groove 13, the radial distance between the elastic block 16 and the conical groove 63 is ninety degrees vertical, and meanwhile, the telescopic rod 6 is prevented from rotating; a silica gel seat 51 is arranged in the fixed hoop 5, an arc-shaped groove 52 is arranged in the silica gel seat 51, balls 53 are arranged in the arc-shaped groove 52 and used for reducing friction force borne by the lightning conductor in the traction process, a gasket 54 is arranged at the top end of the fixed hoop 5 and used for adjusting the inner diameter of the fixed hoop 5, a through hole 55 is arranged in the gasket 54, screws 56 are arranged at two ends of the gasket 54, the fixed hoop 5 is rectangular, two ends of the fixed hoop 5 are connected and encircled to form a circular ring shape, and the fixed hoop 5 is welded with the support main body 1 in a prefabricated mode and used for installing and placing the lightning conductor; the bottom of the silica gel seat 51 is fixedly connected with the center of the inner wall of the bottom of the fixed hoop 5, and is used for fixing the silica gel seat 51 without influencing the inner diameter adjustment of the fixed hoop 5, the silica gel seat 51 is in a circular ring shape, the arc-shaped groove 52 is positioned in the inner wall of the silica gel seat 51, the circle center of the ball 53 is positioned in the arc-shaped groove 52, the ball 53 is prevented from falling from the arc-shaped groove 52, the ball 53 rotates in the silica gel seat 51 through the arc-shaped groove 52, and the friction force between the lightning conductor and the silica gel seat 51 in the process of pulling the lightning conductor is reduced; two ends of the fixed hoop 5 penetrate through the gasket 54 through the through hole 55, two ends of the fixed hoop 5 penetrate through the through hole 55 and stretch towards two ends of the gasket 54, so that the inner diameter of the fixed hoop 5 can be conveniently adjusted, and the screw 56 penetrates through two ends of the fixed hoop 5 and is fixedly connected with the gasket 54 to fix two ends of the fixed hoop 5; a frame groove 71 is formed in the base 7, slots 72 are formed in two sides of the frame groove 71, the base 7 and the top seat 73 are clamped, the top seat 73 is arranged in the slot 72, bolts 74 are arranged in the top seat 73 and the base 7 in a penetrating mode and used for enhancing the connection stability of the base 7 and the top seat 73, the base 7 and the top seat 73 are both trapezoidal, the frame groove 71 is also formed in the top seat 73 and used for clamping the support main body 1 and the iron tower 10, the support main body 1 and the iron tower 10 are both located in the frame groove 71, and the support main body 1 is firmly fixed on the iron tower 10; the top seat 73 is inserted into the slot 72, the side wall of the slot 72 inclines, the slot 72 is matched with the side wall of the top seat 73 in inclination, the top seat 73 is clamped with the base 7 through the slot 72, the base 7 is clamped with the top seat 73, internal extrusion force exists between the base 7 and the top seat 73, the support main body 1 is limited to shake on the iron tower frame 10, and the influence caused by loosening of the bolt 74 can be effectively reduced; the bolts 74 sequentially penetrate through the top seat 73, the support main body 1, the iron tower frame 10 and the base 7, and the base 7 is fixedly connected with the top seat 73 through the bolts 74, so that the connection stability of the top seat 73 and the base 7 is further enhanced, and the extrusion force of the base 7 and the top seat 73 on the support main body 1 is increased; the fixing block 8 is fixedly connected with the support main body 1, the fixing block 8 is rectangular, a square groove 81 is formed in the fixing block 8, the width dimension of the square groove 81 is matched with that of the inserting block 9, and the inserting block 9 is inserted into the fixing block 8 through the square groove 81 and used for fixing the support main body 1 and the auxiliary support 2 to prevent the hinge 4 from rotating; a telescopic groove 91 is formed in the auxiliary support 2 close to the insert block 9, so that the insert block 9 can be conveniently stretched in the telescopic groove 91, a screw rod 92 is arranged at one end, away from the telescopic groove 91, of the insert block 9, a bevel gear 93 is arranged at one end, away from the insert block 9, of the screw rod 92, a knob 94 is arranged on one side, close to the outer side of the auxiliary support 2, of the bevel gear 93, and the knob 94 is used for driving the bevel gear 93 to rotate; a thread groove is formed in the insert block 9, the lead screw 92 is inserted into the insert block 9 through the thread groove, the lead screw 92 is meshed with the thread groove, the lead screw 92 is rotatably connected with the insert block 9, the insert block 9 is driven to stretch in the stretching groove 91 by the lead screw 92, the insert block 9 stretches in the stretching groove 91 in a sliding mode, and the insert block 9 is inserted into the square groove 81 in an extending mode; the screw 92 penetrates through the telescopic groove 91 and is fixedly connected with the bevel gears 93, the bevel gears 93 are arranged vertically, the bevel gears 93 are fixedly connected with the knob 94, and the knob 94 is used for driving the screw 92 to rotate through the bevel gears 93.
When the lightning protection device works, firstly, the auxiliary bracket 2 and the bracket main body 1 are mutually folded through the hinge 4, a worker brings the folded bracket main body 1 to the top of an iron tower, when the bracket is assembled, the hinge 4 is rotated to enable the bracket main body 1 to be flush with the auxiliary bracket 2, then the knob 94 is rotated, the knob 94 drives the bevel gear 93 to rotate, the bevel gear 93 drives the screw rod 92 to rotate, the screw rod 92 rotates to push the insert block 9 to slide in the telescopic groove 91, so that the insert block 9 is inserted into the square groove 81 in the fixing block 8, the bracket main body 1 is connected and fixed with the auxiliary bracket 2, the bracket main body 1 and the auxiliary bracket 2 are prevented from rotating, then the telescopic rod 6 is telescopically adjusted to meet the requirement of the supporting length of a lightning conductor, then the jacking blocks 61 at two ends of the telescopic rod 6 are inserted into the grooves 12, the jacking blocks 61 push the clamping blocks 62 to be inserted into the annular grooves 13 through the grooves 12, and then the telescopic rod 6 is rotated ninety degrees, at the moment, the clamping block 62 is clamped with the annular groove 13, the elastic block 16 is ejected from the sliding groove 14 by the thrust of the spring 15, the elastic block 16 is inserted into the tapered groove 63, the telescopic groove 91 and the bracket main body 1 are stably assembled, the bracket main body 1 and the iron tower frame 10 are sleeved in the frame groove 71, the top seat 73 slides into the slot 72 from the side edge of the base 7, the base 7 and the top seat 73 are clamped, the bolt 74 penetrates through the top seat 73 and the base 7, the base 7 and the top seat 73 are stably connected, simultaneously, the base 7 and the top seat 73 synchronously extrude the bracket main body 1 and the iron tower frame 10, the connection between the bracket main body 1 and the iron tower frame 10 is not affected by the looseness of the bolt 74, the stability of the connection between the bracket main body 1 and the iron tower frame 10 is greatly enhanced, when a lightning conductor passes through the fixing hoop 5 to be pulled, the lightning conductor is mutually rubbed with the ball 53 in the pulling process, and the rolling of the ball 53 is utilized to reduce the friction force of the pulling movement of the lightning conductor, the condition that the lightning conductor pulls the card pause and wearing and tearing can effectively be reduced.
In summary, the hinge 4 is arranged between the bracket main body 1 and the auxiliary bracket 2, the auxiliary bracket 2 and the bracket main body 1 can be mutually folded through the hinge 4, the telescopic rod 6 is inserted into the connecting seat 11 to form the assembly of the telescopic rod 6 and the bracket main body 1, so that the bracket main body 1 can be transported to the tower top in advance for assembly, the trouble that the large-volume bracket is difficult to transport is avoided, the bracket main body 1 is more convenient to move and carry, in addition, the fixing block 8 is arranged at one side of the bracket main body 1 close to the auxiliary bracket 2, when the bracket is assembled, the hinge 4 is rotated to enable the bracket main body 1 to be flush with the auxiliary bracket 2, then the knob 94 is rotated, the knob 94 drives the bevel gear 93 to rotate, the bevel gear 93 drives the screw rod 92 to rotate, the screw rod 92 rotates to push the insert block 9 to slide in the telescopic groove 91, and the insert block 9 is inserted into the square groove 81 in the fixing block 8, the support main body 1 is fixedly connected with the auxiliary support 2, the jacking blocks 61 at two ends of the telescopic rod 6 are inserted into the grooves 12, the jacking blocks 61 push the clamping blocks 62 to be inserted into the annular grooves 13 through the grooves 12, then the telescopic rod 6 is rotated to rotate ninety degrees, at the moment, the clamping blocks 62 are clamped with the annular grooves 13, the elastic blocks 16 are ejected out in the sliding grooves 14 under the thrust of the springs 15, the elastic blocks 16 are inserted into the tapered grooves 63, the telescopic grooves 91 are stably connected with the support main body 1, the support main body 1 is more convenient and fast to assemble, the assembling speed of the support main body 1 is greatly increased, the lightning conductor is pulled by penetrating the fixed hoop 5, the lightning conductor rubs with the balls 53 in the pulling process, the friction force of pulling and moving of the lightning conductor is reduced by rolling the balls 53, meanwhile, the fixed hoop 5 penetrates through the gaskets 54 through the through holes 55, two ends of the fixed hoop 5 are fixed by screws 56, and the two ends of the fixed hoop 5 are pulled, be convenient for adjust the 5 internal diameters of fixed hoop, thereby be convenient for adjust the centre gripping dynamics of lightning conductor, and make the device be applicable to the lightning conductor of different specifications and support the use, at last through overlapping support main part 1 and iron tower frame 10 in frame groove 71, recycle footstock 73 and slide into slot 72 from the base 7 side, make base 7 and footstock 73 form the joint, recycle bolt 74 and run through footstock 73 and base 7, make base 7 and footstock 73 stable connection, base 7 and footstock 73 carry out synchronous extrusion to support main part 1 and iron tower frame 10 simultaneously, make the connection of support main part 1 and iron tower frame 10 not receive the not hard up influence of bolt 74, strengthen the stability that support main part 1 and iron tower frame 10 are connected greatly.
Claims (8)
1. The utility model provides a change transmission line overhead ground wire specialized tool, includes support main part (1) and iron tower frame (10), its characterized in that: an auxiliary support (2) is arranged on one side of the support main body (1), a fixing frame (3) is arranged inside the support main body (1) and the auxiliary support (2), a hinge (4) is arranged between the support main body (1) and the auxiliary support (2), fixing hoops (5) are arranged at the top ends of the support main body (1) and the auxiliary support (2), a telescopic rod (6) is arranged between the support main bodies (1), bases (7) are arranged at the lower ends of the support main body (1) and the auxiliary support (2), fixing blocks (8) are arranged at the upper end and the lower end of one side, close to the auxiliary support (2), of the support main body (1), and inserting blocks (9) are arranged at the upper end and the lower end of one side, close to the support main body (1), of the auxiliary support (2);
a connecting seat (11) is arranged on one side, close to the connecting rod, of the support main body (1), a groove (12) is arranged inside the connecting seat (11), an annular groove (13) is arranged on one side, close to the connecting seat (11), of the groove (12), sliding grooves (14) are arranged on two sides of the groove (12), a spring (15) is arranged inside the sliding groove (14), an elastic block (16) is arranged at one end, far away from the sliding groove (14), of the spring (15), the connecting seat (11) is fixedly connected with the support main body (1), and the telescopic rod (6) is inserted into the connecting seat (11) through the groove (12);
two ends of the spring (15) are respectively fixedly connected with the sliding groove (14) and the elastic block (16), the elastic block (16) slides and stretches in the sliding groove (14), and one end, far away from the spring (15), of the elastic block (16) is conical;
an ejector block (61) is arranged at one end, close to the support main body (1), of the telescopic rod (6), a clamping block (62) is arranged at one side, far away from the telescopic rod (6), of the ejector block (61), conical grooves (63) are formed in the side walls of two ends of the telescopic rod (6), and the ejector block (61) is fixedly connected with the telescopic rod (6);
the clamping block (62) and the jacking block (61) are integrally formed, the clamping block (62) is L-shaped, the annular groove (13) is communicated with the groove (12), and the clamping block (62) is inserted into the annular groove (13) and clamped with the annular groove (13);
the taper groove (63) is conical, the elastic block (16) is connected with the telescopic rod (6) through the taper groove (63) in an inserting mode, and when the clamping block (62) is inserted into the annular groove (13), the radial distance between the elastic block (16) and the taper groove (63) is ninety degrees vertical.
2. The special tool for replacing the overhead ground wire of the power transmission line according to claim 1, characterized in that: the fixing frame (3) is respectively welded and fixed with the support main body (1) and the auxiliary support (2) in a prefabricated mode, the fixing frame (3) is obliquely arranged inside the support main body (1) and the auxiliary support (2), and the support main body (1) and the auxiliary support (2) form an isosceles trapezoid through the hinge (4).
3. The special tool for replacing the overhead ground wire of the power transmission line according to claim 1, characterized in that: a silica gel seat (51) is arranged in the fixed hoop (5), an arc-shaped groove (52) is arranged in the silica gel seat (51), balls (53) are arranged in the arc-shaped groove (52), a gasket (54) is arranged at the top end of the fixed hoop (5), a through hole (55) is arranged in the gasket (54), screws (56) are arranged at two ends of the gasket (54), the fixed hoop (5) is rectangular, two ends of the fixed hoop (5) are connected and encircled to form a circular ring shape, and the fixed hoop (5) and the bracket main body (1) are welded in a prefabricated mode;
the bottom of the silica gel seat (51) is fixedly connected with the center of the inner wall of the bottom of the fixed hoop (5), the silica gel seat (51) is annular, the arc-shaped groove (52) is positioned inside the inner wall of the silica gel seat (51), the circle center of the ball (53) is positioned inside the arc-shaped groove (52), and the ball (53) rotates inside the silica gel seat (51) through the arc-shaped groove (52);
fixed hoop (5) both ends are through-hole (55) pad (54), fixed hoop (5) both ends are passed through-hole (55) and are stretched to pad (54) both ends, screw (56) run through fixed hoop (5) both ends and pad (54) fixed connection.
4. The special tool for replacing the overhead ground wire of the power transmission line according to claim 1, characterized in that: a frame groove (71) is formed in the base (7), inserting grooves (72) are formed in two sides of the frame groove (71), a top seat (73) is arranged in each inserting groove (72), bolts (74) penetrate through the top seat (73) and the base (7), the base (7) and the top seat (73) are both trapezoidal, a frame groove (71) is also formed in the top seat (73), and the support main body (1) and the iron tower frame (10) are both located in the frame groove (71);
the top seat (73) is inserted into the slot (72), the side wall of the slot (72) inclines, the slot (72) is matched with the side wall of the top seat (73) in inclination, and the top seat (73) is clamped with the base (7) through the slot (72);
the bolt (74) penetrates through the top seat (73), the support main body (1), the iron tower (10) and the base (7) in sequence, and the base (7) is fixedly connected with the top seat (73) through the bolt (74).
5. The special tool for replacing the overhead ground wire of the power transmission line according to claim 1, characterized in that: fixed block (8) and support main part (1) fixed connection, fixed block (8) are the rectangle, inside square groove (81) that is provided with of fixed block (8), square groove (81) width size and inserted block (9) looks adaptation, inserted block (9) are pegged graft with fixed block (8) through square groove (81).
6. The special tool for replacing the overhead ground wire of the power transmission line according to claim 1, characterized in that: the auxiliary support (2) is close to inserted block (9) and locates to be provided with flexible groove (91), the one end that flexible groove (91) were kept away from in inserted block (9) is provided with lead screw (92), the one end that inserted block (9) were kept away from in lead screw (92) is provided with conical gear (93), one side that conical gear (93) are close to the auxiliary support (2) outside is provided with knob (94).
7. The special tool for replacing the overhead ground wire of the power transmission line according to claim 6, characterized in that: the novel lead screw is characterized in that a thread groove is formed in the insert block (9), the lead screw (92) is inserted into the insert block (9) through the thread groove, the lead screw (92) is meshed with the thread groove, the lead screw (92) is rotatably connected with the insert block (9), and the insert block (9) slides and stretches in the telescopic groove (91).
8. The special tool for replacing the overhead ground wire of the power transmission line according to claim 6, characterized in that: the screw rod (92) penetrates through the telescopic groove (91) and is fixedly connected with the bevel gears (93), the number of the bevel gears (93) is two, the bevel gears are vertically arranged, and the bevel gears (93) are fixedly connected with the knob (94).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011612879.7A CN112582942B (en) | 2020-12-31 | 2020-12-31 | Change transmission line overhead ground wire specialized tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011612879.7A CN112582942B (en) | 2020-12-31 | 2020-12-31 | Change transmission line overhead ground wire specialized tool |
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| CN112582942A CN112582942A (en) | 2021-03-30 |
| CN112582942B true CN112582942B (en) | 2022-10-21 |
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| CN113078597A (en) * | 2021-05-14 | 2021-07-06 | 国网河北省电力有限公司平乡县供电分公司 | Wire passing hole protection device |
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| CN112582942A (en) | 2021-03-30 |
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