CN108075388B - Wire hanging device for replacing ground wire preformed armor rods - Google Patents
Wire hanging device for replacing ground wire preformed armor rods Download PDFInfo
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- CN108075388B CN108075388B CN201611009152.3A CN201611009152A CN108075388B CN 108075388 B CN108075388 B CN 108075388B CN 201611009152 A CN201611009152 A CN 201611009152A CN 108075388 B CN108075388 B CN 108075388B
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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
本发明公开了一种更换地线预绞丝吊线装置，包括支架，支架底部安装有能与横担对锁紧在一起的下锁紧装置，支架中部固设有一根主铰轴，主铰轴上铰接有分别在左右两侧上下摆动的左臂和右臂，左臂和右臂端部都安装有滑轮组，滑轮组上缠绕有拉线，拉线上端固定连接在线辊上，拉线下端连接有与地线套装配合的套线装置，支架上部设有控制拉线收放的控制机构。本专利能在高空横担上快速安装、紧固，组装快速，起吊省力，并能为更换地线金具提供较大操作空间，对地线保护性好，不会损害地线，操作简单，安全性高。
The invention discloses a pre-twisted wire suspending device for replacing ground wires, comprising a bracket, a lower locking device capable of being locked together with a pair of cross arms is installed at the bottom of the bracket, a main hinge shaft is fixed in the middle of the bracket, and the main hinge shaft The upper hinge is connected with a left arm and a right arm that swing up and down respectively on the left and right sides. The ends of the left arm and the right arm are installed with a pulley block. The pulley block is wound with a pull wire, the upper end of the pull wire is fixedly connected to the wire roller, and the lower end of the pull wire is connected with a ground wire As for the wire sleeve device matched by the suit, the upper part of the bracket is provided with a control mechanism for controlling the retraction and release of the pulling wire. The patent can be quickly installed and fastened on the high-altitude cross-arm, the assembly is fast, the lifting is labor-saving, and it can provide a large operating space for replacing the ground wire fittings, with good protection to the ground wire, without damaging the ground wire, simple and safe operation Sex is high.
Description
Technical Field
The invention relates to a wire hanging device for replacing a preformed armor rod of a ground wire.
Technical Field
The ground wire clamp is a connecting hardware fitting which is arranged on the outer layer of the ground wire and fixes the ground wire on the tower ground wire support, and the ground wire clamp protective strip has a protective effect on the ground wire. The line protection strip can generate dry-charged arc discharge under the action of a magnetic field of a power line lead, so that the electric corrosion of the line protection strip is caused. Under the action of direct lightning and inductive lightning, the possibility that metal in direct contact with lightning melts due to high temperature is high, and the wire clamp and the wire protecting strip are damaged. The development of the special tool for replacing the ground wire hardware has important significance for the safe and stable operation of the power grid, the operation safety of the operating personnel, and the improvement of the operation and maintenance working quality and efficiency.
Because no special auxiliary tool for replacing the ground wire fitting exists, only the traditional replacement method can be used. When changing, need use wire rope cover and stake as cross arm fixing device, use the hand plate calabash to tighten up the ground wire, because the ground wire dead weight is great, instrument weight is big, inconvenient operation, intensity of labour is high, and faces the restriction that anchor rope length received damper installation distance, and the commonality is poor, and the hook easily causes the damage to the ground wire during the promotion.
The traditional method for replacing the ground wire hardware has the disadvantages of long overhead working time, high labor intensity of operators, low working efficiency and lack of convenient tools for replacing the support of the ground wire hardware at present.
Disclosure of Invention
Aiming at the problems, the invention provides the ground wire replacing preformed armor rod wire hanging device which is reasonable in structure, can be quickly installed and fastened on a high-altitude cross arm, is quick to assemble, saves labor in lifting, can provide a large operation space for replacing a ground wire hardware fitting, is good in ground wire protection, cannot damage the ground wire, is simple to operate and is high in safety.
In order to solve the problems, the structure of the device for replacing the ground wire preformed armor rod suspension wire is characterized in that: the wire roller is installed on the upper portion of the support, a crank is fixedly arranged on the wire roller, a ratchet wheel is coaxially and fixedly arranged at the end portion of the wire roller, a pawl matched with the ratchet wheel is installed on the support, pulley blocks are installed at the end portions of the left arm and the right arm, a pull wire is wound on the pulley blocks, the upper end of the pull wire is fixedly connected to the wire roller, and the lower end of the pull wire is connected with a wire sleeving device matched with a ground wire in a sleeving mode.
This patent is through fixed both sides swing hoisting structure in the middle of realizing installing fast, fastening on the high altitude cross arm, the equipment is quick, lifts by crane laborsavingly to can provide great operating space for changing the ground wire gold utensil, it is good to ground wire protectiveness, can not harm the ground wire, easy operation, the security is high.
The middle fixed two-side swing lifting structure mainly comprises a lower locking device arranged at the lower part of the bracket, a left arm and a right arm which are arranged at two sides of the bracket, a line sleeving device arranged below the left arm and the right arm, and an operating mechanism arranged at the upper part of the bracket. The lower locking device is mainly used for locking the cross arm of the electric power tower, so that the support is fixedly arranged on the cross arm. Because the lower locking device is arranged at the lower part of the bracket, when the lower locking device is installed, the lower locking device can be installed by putting the lower locking device on the cross arm, and the operation is very convenient. In this patent, a main hinge shaft is fixedly arranged in the middle of the bracket, and the inner ends of the left arm and the right arm are hinged on the main hinge shaft, so that the left arm and the right arm can swing up and down on the left side and the right side of the bracket through the hinge shafts. The left side and the right side of the bracket are respectively provided with a row of side limiting holes, and the side limiting holes on each side are arranged in sequence from top to bottom. In this patent, every side of support all is equipped with a spacing bolt, and spacing bolt can cooperate with side spacing hole cartridge. When the limiting bolt is inserted into the side limiting hole, the limiting bolt can play a role in limiting the left arm or the right arm, and therefore, each side of the support is provided with a plurality of side limiting holes and a plurality of limiting stops. The higher the position of the limiting bolt is, the larger the limit of the left arm or the right arm is, the higher the height of the tail end of the left arm or the right arm is, the smaller the distance between two hoisting positions of the ground wire is, and the adjustment can be carried out according to actual requirements. The pulley block is arranged at the tail end of the left arm or the right arm, and the pulley block is mainly used for providing a winding carrier for the pull rope and providing smooth transition for reversing the pull rope, so that smoothness when the pull rope moves, namely the ground wire is hoisted, is ensured. In this patent, the lower extreme of acting as go-between is connected with a mantle fiber device, and the main effect of mantle fiber device is the suit in the ground wire outside to the convenience is lifted by crane to the ground wire, has the effect of connecting the ground wire and protecting the bottom line. In this patent, the support upper portion is installed the line roller, has set firmly the crank on the line roller, the upper segment of acting as go-between is fixed winding promptly on the line roller. When the crank handle is shaken to drive the wire roller to rotate, the pull wire synchronously rises or falls along with the wire roller, and the effect of hoisting or lowering the ground wire is also achieved. The end part of the wire roller is coaxially and fixedly provided with a ratchet wheel, and the bracket is provided with a pawl matched with the ratchet wheel. The ratchet wheel is matched with the pawl, so that the wire roller has locking performance of unidirectional rotation, and the reliability and the safety when the ground wire is hoisted are ensured.
As an improvement, the lower locking device comprises a clamping groove arranged on the lower edge side of the support, the clamping groove is matched with a cross arm plate horizontally arranged on one side of the cross arm in an inserting mode, a lower screw hole is formed in the bottom of the support, and a lower stud capable of locking the cross arm plate in the clamping groove is screwed in the lower screw hole.
In the lower locking device, the clamping groove is a transversely arranged groove which is just corresponding to a cross arm plate horizontally arranged in the middle of the cross arm. Therefore, when the stretcher is installed, the clamping groove only needs to slide in towards the cross arm plate, and the operation is very simple. The lower part of the bracket is provided with a lower screw hole communicated with the clamping groove, and a lower stud is screwed in the lower screw hole. Through screwing down the double-screw bolt, can lock the cross arm board of card in the draw-in groove, just so realized the installation of this patent and cross arm.
As the improvement, the support below is equipped with can be along the locking plate of support bottom surface lateral sliding, the opening is equipped with the crotch of the crooked towards the draw-in groove admittedly at the locking plate left end, be equipped with the switching groove that extends along locking plate length direction that corresponds with screw down on the locking plate right side section, the lateral wall in switching groove includes two long lateral wall and two short lateral wall, a plurality of switching boards that extend to another long lateral wall have evenly set firmly on a long lateral wall, form between the adjacent switching board and half groove of double-screw bolt cartridge complex switching down, still install on the locking plate and spacing interior stop device at certain switching half inslot with the double-screw bolt down.
In this patent, the support below still is equipped with a locking plate, and the locking plate left end is equipped with the crotch admittedly, and the crotch sets up towards the draw-in groove. Because the locking plate can cling to the bottom surface of the bracket to slide transversely, the hook can also slide towards the clamping groove. Like this when the cross arm goes into the draw-in groove to the cross arm board card of a avris, can the translation locking board, make the crotch hook catch the cross arm to the cross arm board of another avris, just so realized to whole cross arm to the connection of parcel formula, guaranteed the reliability and the security of this patent installation. In this patent, be equipped with the switching groove that corresponds with screw down on the locking board right side section, the switching groove is for extending the rectangular groove that sets up along locking board length direction. The switching slot has four sidewalls, respectively two oppositely disposed long sidewalls and two oppositely disposed short sidewalls. A plurality of switching plates are uniformly and fixedly arranged on one long side wall, the switching plates extend towards the other long side wall, and the length of the switching plates is equal to half of the distance between the two long side walls, namely half of the width of the switching groove. Like this, just formed a plurality of half grooves of switching between two adjacent switch boards, the size that switches half groove corresponds the setting with lower screw size, switches half groove and transversely arranges the setting in proper order along locking board length direction. In this patent, still be equipped with internal stop device in the switching groove, interior stop device's main effect seals the switching half-groove or carries out spacing to the lower double-screw bolt in the switching half-groove, therefore when spacing state, lower double-screw bolt can only be located the switching half-groove. Consequently, when draw-in groove and crotch clamp respectively at the cross arm to the corresponding cross arm board of both sides side, can insert the switching half-groove of alignment and lower screw down with the double-screw bolt in proper order, then tighten again, tighten like this and just realized twice locking, promptly: the clamping groove locks one side of the cross arm corresponding to the cross arm plate and the hook locks the other side of the cross arm corresponding to the cross arm plate. Therefore, the structure of the air conditioner is more ingenious, the air conditioner is simpler to operate, the efficiency of high-altitude replacement and maintenance operation is greatly improved, and the cost is reduced.
As an improvement, the inner limiting device comprises a circular slide way arranged at the right end of the locking plate and communicated with the switching groove, a slide shaft is inserted in the slide way in a sliding mode, a threaded column which is thinner than the slide shaft is coaxially and fixedly arranged at the inner end of the slide shaft, a slide cavity which can be in insertion fit with the left section of the slide shaft is arranged on the short side wall of the left side of the slide shaft, and an internal threaded cavity which is in threaded fit with the threaded column is coaxially arranged at the inner end of.
The inner limiting device mainly comprises a slideway and a sliding cavity which are coaxially arranged on two short side walls, a sliding shaft which is inserted in the slideway in a sliding way, and a threaded column which is coaxially and fixedly arranged at the left end of the sliding shaft. The sliding shaft can axially slide along the slideway so as to slide out of the switching groove, namely the inner limiting device is used for removing the seal of the switching half groove or removing the limit of the lower stud, and the state becomes a limit removing state or a free switching state. When the state is freely switched, the switching of the lower stud among different switching half grooves can be realized on the premise that the lower stud is not screwed out from the lower screw hole, and the clamping degree of the hook on the corresponding transverse stretcher plate is also adjusted. The sliding shaft can also rotate in the inner circumferential direction of the sliding way to realize the screwing and matching of the threaded column and the internal threaded cavity in the sliding way, so that the reliability of the internal limiting device for switching the semi-groove sealing or the reliability of limiting the lower stud can be ensured, and the state becomes a limiting state or a sealing state. Under the limiting state, the position relation between the switching half-groove and the lower stud is fixed, and the clamping effect of the hook on the corresponding transverse arm plate is reliable.
As an improvement, the periphery of the right section of the sliding shaft is fixedly provided with a limiting ring which is in limit fit with the short side wall on the right side.
The limiting ring is arranged on the sliding shaft, and the main function is to prevent the sliding shaft from slipping rightwards from the inside of the slideway, reduce unstable factors, reduce the psychological burden of workers in high-altitude operation and contribute to improving the working quality.
As an improvement, the left end of the threaded column is fixedly provided with a conical block, and the inner end of the internal thread cavity is provided with a conical cavity matched with the conical block.
The left end of the threaded column is fixedly provided with the conical block, the main function is guiding function, the accuracy of inserting the threaded column into the sliding cavity can be improved, and the working efficiency is improved. The arrangement of the internal conical cavity of the internal threaded cavity is mainly used for providing space for the conical block and containing the conical block.
As an improvement, an operating wheel is fixedly arranged at the right end of the sliding shaft, and the surface of the operating wheel is provided with hemp grains.
The right end of the sliding shaft is provided with the operating wheel which has two functions, one function is to prevent the sliding shaft from slipping off the slideway leftwards, and the second function is to conveniently hold and drive the sliding shaft to rotate, namely to conveniently screw the threaded column into the internal threaded cavity. The surface of the operating wheel is provided with the hemp grains which mainly increase the friction force and prevent the operating wheel from slipping during rotation.
As an improvement, the pulley block comprises two pulleys arranged at the tail end of the left arm or the right arm, rotating shafts of the two pulleys are arranged in parallel, and the peripheries of hubs of the pulleys are closely matched.
The pulley block adopts two pulleys, and the pivot parallel arrangement of two pulleys and wheel hub periphery paste tight fit, can make the pulley of below regard as the bearing pulley of acting as go-between like this, and the pulley of top is spacing pulley only. When the stay wire is subjected to weightless deviation, the upper pulley can limit the stay wire to the lower pulley while being matched with the rotation of the stay wire, so that the reliability and the stability of the stay wire work are ensured.
As an improvement, the wire sleeving device comprises an upper arc cover fixedly arranged at the lower end of the pull rope, one side of the upper arc cover is hinged with a lower arc cover which is buckled with the upper arc cover into a circular tubular structure, connecting holes are formed in the corresponding sides of the lower arc cover and the upper arc cover, connecting bolts for locking the lower arc cover and the upper arc cover together are inserted into the connecting holes, and the two ends of the lower arc cover are correspondingly fixedly provided with outwards and downwards extending semi-horn openings.
In this patent, the mantle fiber device adopts and detains the cover structure from top to bottom and realizes the mantle fiber to the ground wire, mainly includes upper arc cover and lower arc cover that the upper and lower correspondence set up, wherein upper arc cover corresponds the rigid coupling together with the lower extreme of acting as go-between. One sides of the lower arc cover and the upper arc cover are correspondingly hinged together, the other side of the lower arc cover and the upper arc cover are provided with corresponding connecting holes, and connecting bolts are inserted into the connecting holes. When the connecting bolt is screwed down, the upper arc cover and the lower arc cover are buckled into a hollow circular tube, and the inner cavity of the hollow circular tube is the space for sleeving the ground wire. When the ground wire needs to be discharged, only the connecting bolt needs to be loosened, and the method is very simple. In this patent, arc cover both ends set firmly the half horn mouth of gradually outside, downwardly extending down, and the primary function can reduce the resistance and the damage of arc cover to the ground wire down when relative endwise slip takes place for lower arc cover and ground wire.
As an improvement, the left arm and the right arm comprise an arm cylinder and an arm rod which are matched in an inserting mode, butt joint holes are evenly distributed in the arm cylinder and the arm rod, and butt joint bolts for locking the arm cylinder and the arm rod together can be inserted in the butt joint holes.
In this patent, left arm and right arm constitute by an axial slip cartridge complex arm section of thick bamboo and armed lever, and the equipartition has the butt joint hole on an arm section of thick bamboo and the armed lever, and the butt joint downthehole interpolation is equipped with docking bolt, through the regulation of butt joint hole and docking bolt, can realize the regulation of an arm section of thick bamboo and armed lever cooperation length, also realize the regulation of left arm and right arm length, and open-air adaptability and commonality are stronger.
In conclusion, the three-axis linkage control device is simple in structure, can be operated and controlled on the ground to remove foreign matters on high-voltage wires in the high altitude, is simple to operate, is visual and intuitive, can realize three-axis linkage control, and can be visible and cleanable in 360-degree any angle of a three-dimensional space.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a locking plate;
FIG. 3 is a schematic view of the mating structure of the slide shaft and the slide cavity;
FIG. 4 is a schematic view of the matching structure of the upper arc shield and the lower arc shield;
fig. 5 is a schematic view of the matching structure of the upper arc shield and the half bell mouth.
Detailed Description
A device for replacing a ground wire preformed armor rod suspension wire comprises a support 1, a lower locking device 3 which can be locked with a cross arm pair 2 is installed at the bottom of the support, a main hinge shaft 4 is fixedly arranged in the middle of the support, a left arm 5 and a right arm 6 which can swing up and down on the left side and the right side are hinged to the main hinge shaft respectively, side limiting holes 7 which are arranged from top to bottom are formed in the left side and the right side of the support respectively, limiting screws 8 which can be in limiting fit with the left arm or the right arm are inserted into the side limiting holes, a wire roller 9 is installed on the upper portion of the support, a crank 47 is fixedly arranged on the wire roller, a ratchet 10 is coaxially and fixedly arranged at the end portion of the wire roller, a pawl 11 which is matched with the ratchet is installed on the support, pulley blocks 12 are installed at the end portions of the left arm and the right arm, a pull wire 13 is wound on the pulley blocks, the upper end. This patent is mainly including installing lower locking device in the support lower part, installs left arm and the right arm in the support both sides, installs the cover line device in left arm and right arm below to and install the mechanism of controlling on support upper portion. The lower locking device is mainly used for locking the cross arm of the electric power tower, so that the support is fixedly arranged on the cross arm. Because the lower locking device is arranged at the lower part of the bracket, when the lower locking device is installed, the lower locking device can be installed by putting the lower locking device on the cross arm, and the operation is very convenient. In this patent, a main hinge shaft is fixedly arranged in the middle of the bracket, and the inner ends of the left arm and the right arm are hinged on the main hinge shaft, so that the left arm and the right arm can swing up and down on the left side and the right side of the bracket through the hinge shafts. The left side and the right side of the bracket are respectively provided with a row of side limiting holes, and the side limiting holes on each side are arranged in sequence from top to bottom. In this patent, every side of support all is equipped with a spacing bolt, and spacing bolt can cooperate with side spacing hole cartridge. When the limiting bolt is inserted into the side limiting hole, the limiting bolt can play a role in limiting the left arm or the right arm, and therefore, each side of the support is provided with a plurality of side limiting holes and a plurality of limiting stops. The higher the position of the limiting bolt is, the larger the limit of the left arm or the right arm is, the higher the height of the tail end of the left arm or the right arm is, the smaller the distance between two hoisting positions of the ground wire is, and the adjustment can be carried out according to actual requirements. The pulley block is arranged at the tail end of the left arm or the right arm, and the pulley block is mainly used for providing a winding carrier for the pull rope and providing smooth transition for reversing the pull rope, so that smoothness when the pull rope moves, namely the ground wire is hoisted, is ensured. In this patent, the lower extreme of acting as go-between is connected with a mantle fiber device, and the main effect of mantle fiber device is the suit in the ground wire outside to the convenience is lifted by crane to the ground wire, has the effect of connecting the ground wire and protecting the bottom line. In the patent, the upper part of the bracket is provided with a wire roller, a crank is fixedly arranged on the wire roller, and the upper section of the stay wire is fixedly wound on the wire roller. When the crank handle is shaken to drive the wire roller to rotate, the pull wire synchronously rises or falls along with the wire roller, and the effect of hoisting or lowering the ground wire is also achieved. The end part of the wire roller is coaxially and fixedly provided with a ratchet wheel, and the bracket is provided with a pawl matched with the ratchet wheel. The ratchet wheel is matched with the pawl, so that the wire roller has locking performance of unidirectional rotation, and the reliability and the safety when the ground wire is hoisted are ensured.
In this patent, locking device includes the draw-in groove 16 that sets up at the support downside, draw-in groove and the horizontal spreader plate cartridge cooperation that sets up of cross arm to one side, and the support bottom is equipped with down screw 17, and the spiro union has the lower double-screw bolt 18 that can lock the spreader plate in the draw-in groove in the lower screw. In the lower locking device, the clamping groove is a transversely arranged groove which is just corresponding to a cross arm plate horizontally arranged in the middle of the cross arm. Therefore, when the stretcher is installed, the clamping groove only needs to slide in towards the cross arm plate, and the operation is very simple. The lower part of the bracket is provided with a lower screw hole communicated with the clamping groove, and a lower stud is screwed in the lower screw hole. Through screwing down the double-screw bolt, can lock the cross arm board of card in the draw-in groove, just so realized the installation of this patent and cross arm.
In this embodiment, the support below is equipped with can be along the horizontal gliding locking plate 19 of support bottom surface, the opening is equipped with the crotch 20 of draw-in groove bending towards admittedly to the locking plate left end, be equipped with the switching groove 21 that extends along locking plate length direction that corresponds with screw down on the locking plate right side section, the lateral wall in switching groove includes two long lateral wall 22 and two short lateral wall 23, evenly set firmly a plurality of switching boards 24 that extend to another long lateral wall on a long lateral wall, form between the adjacent switching board and half groove 25 of switching with lower double-screw bolt cartridge complex, still install on the locking plate and spacing interior stop device 26 at a certain switching half inslot with lower double-screw bolt. In this patent, the support below still is equipped with a locking plate, and the locking plate left end is equipped with the crotch admittedly, and the crotch sets up towards the draw-in groove. Because the locking plate can cling to the bottom surface of the bracket to slide transversely, the hook can also slide towards the clamping groove. Like this when the cross arm goes into the draw-in groove to the cross arm board card of a avris, can the translation locking board, make the crotch hook catch the cross arm to the cross arm board of another avris, just so realized to whole cross arm to the connection of parcel formula, guaranteed the reliability and the security of this patent installation. In this patent, be equipped with the switching groove that corresponds with screw down on the locking board right side section, the switching groove is for extending the rectangular groove that sets up along locking board length direction. The switching slot has four sidewalls, respectively two oppositely disposed long sidewalls and two oppositely disposed short sidewalls. A plurality of switching plates are uniformly and fixedly arranged on one long side wall, the switching plates extend towards the other long side wall, and the length of the switching plates is equal to half of the distance between the two long side walls, namely half of the width of the switching groove. Like this, just formed a plurality of half grooves of switching between two adjacent switch boards, the size that switches half groove corresponds the setting with lower screw size, switches half groove and transversely arranges the setting in proper order along locking board length direction. In this patent, still be equipped with internal stop device in the switching groove, interior stop device's main effect seals the switching half-groove or carries out spacing to the lower double-screw bolt in the switching half-groove, therefore when spacing state, lower double-screw bolt can only be located the switching half-groove. Consequently, when draw-in groove and crotch clamp respectively at the cross arm to the corresponding cross arm board of both sides side, can insert the switching half-groove of alignment and lower screw down with the double-screw bolt in proper order, then tighten again, tighten like this and just realized twice locking, promptly: the clamping groove locks one side of the cross arm corresponding to the cross arm plate and the hook locks the other side of the cross arm corresponding to the cross arm plate. Therefore, the structure of the air conditioner is more ingenious, the air conditioner is simpler to operate, the efficiency of high-altitude replacement and maintenance operation is greatly improved, and the cost is reduced.
In this patent, interior stop device is including setting up the circular slide 27 in locking plate right-hand member intercommunication switching groove, and sliding insert has slide 28 in the slide, and slide inner coaxial set firmly has the screw thread post 29 thinner than the slide, is equipped with on the short lateral wall in left side can with slide left section cartridge complex sliding chamber 30, slide inner coaxial be equipped with screw thread post spiro union complex internal thread chamber 31. The inner limiting device mainly comprises a slideway and a sliding cavity which are coaxially arranged on two short side walls, a sliding shaft which is inserted in the slideway in a sliding way, and a threaded column which is coaxially and fixedly arranged at the left end of the sliding shaft. The sliding shaft can axially slide along the slideway so as to slide out of the switching groove, namely the inner limiting device is used for removing the seal of the switching half groove or removing the limit of the lower stud, and the state becomes a limit removing state or a free switching state. When the state is freely switched, the switching of the lower stud among different switching half grooves can be realized on the premise that the lower stud is not screwed out from the lower screw hole, and the clamping degree of the hook on the corresponding transverse stretcher plate is also adjusted. The sliding shaft can also rotate in the inner circumferential direction of the sliding way to realize the screwing and matching of the threaded column and the internal threaded cavity in the sliding way, so that the reliability of the internal limiting device for switching the semi-groove sealing or the reliability of limiting the lower stud can be ensured, and the state becomes a limiting state or a sealing state. Under the limiting state, the position relation between the switching half-groove and the lower stud is fixed, and the clamping effect of the hook on the corresponding transverse arm plate is reliable.
In this embodiment, the periphery of the right section of the sliding shaft is fixedly provided with a limit ring 32 which is in limit fit with the short side wall on the right side. The limiting ring is arranged on the sliding shaft, and the main function is to prevent the sliding shaft from slipping rightwards from the inside of the slideway, reduce unstable factors, reduce the psychological burden of workers in high-altitude operation and contribute to improving the working quality.
In the patent, a conical block 33 is fixedly arranged at the left end of the threaded column, and a conical cavity 34 matched with the conical block is arranged at the inner end of the internal thread cavity. The left end of the threaded column is fixedly provided with the conical block, the main function is guiding function, the accuracy of inserting the threaded column into the sliding cavity can be improved, and the working efficiency is improved. The arrangement of the internal conical cavity of the internal threaded cavity is mainly used for providing space for the conical block and containing the conical block.
In this embodiment, an operating wheel 35 is fixedly arranged at the right end of the sliding shaft, and the surface of the operating wheel is provided with a hemp thread 36. The right end of the sliding shaft is provided with the operating wheel which has two functions, one function is to prevent the sliding shaft from slipping off the slideway leftwards, and the second function is to conveniently hold and drive the sliding shaft to rotate, namely to conveniently screw the threaded column into the internal threaded cavity. The surface of the operating wheel is provided with the hemp grains which mainly increase the friction force and prevent the operating wheel from slipping during rotation.
In this patent, the assembly pulley is including installing two pulleys 37 at left arm or right arm terminal, and the pivot parallel arrangement of two pulleys and pulley wheel hub periphery paste tight fit. The pulley block adopts two pulleys, and the pivot parallel arrangement of two pulleys and wheel hub periphery paste tight fit, can make the pulley of below regard as the bearing pulley of acting as go-between like this, and the pulley of top is spacing pulley only. When the stay wire is subjected to weightless deviation, the upper pulley can limit the stay wire to the lower pulley while being matched with the rotation of the stay wire, so that the reliability and the stability of the stay wire work are ensured.
In this embodiment, the thread-covering device includes an upper arc cover 38 fixed at the lower end of the pull rope, a lower arc cover 39 buckled with the upper arc cover to form a circular tubular structure is hinged to one side of the upper arc cover, a connecting hole 40 is arranged at the corresponding side of the lower arc cover and the upper arc cover, a connecting bolt 41 for locking the lower arc cover and the upper arc cover together is inserted into the connecting hole, and a semi-bell mouth 42 extending outwards and downwards is correspondingly fixed at the two ends of the lower arc cover. In this patent, the mantle fiber device adopts and detains the cover structure from top to bottom and realizes the mantle fiber to the ground wire, mainly includes upper arc cover and lower arc cover that the upper and lower correspondence set up, wherein upper arc cover corresponds the rigid coupling together with the lower extreme of acting as go-between. One sides of the lower arc cover and the upper arc cover are correspondingly hinged together, the other side of the lower arc cover and the upper arc cover are provided with corresponding connecting holes, and connecting bolts are inserted into the connecting holes. When the connecting bolt is screwed down, the upper arc cover and the lower arc cover are buckled into a hollow circular tube, and the inner cavity of the hollow circular tube is the space for sleeving the ground wire. When the ground wire needs to be discharged, only the connecting bolt needs to be loosened, and the method is very simple. In this patent, arc cover both ends set firmly the half horn mouth of gradually outside, downwardly extending down, and the primary function can reduce the resistance and the damage of arc cover to the ground wire down when relative endwise slip takes place for lower arc cover and ground wire.
In this patent, left arm and right arm are including cartridge complex arm section of thick bamboo 43 and armed lever 44, and the equipartition has butt joint hole 45 on arm section of thick bamboo and the armed lever, and butt joint hole ability cartridge has the butt joint bolt 46 with both locks together. In this patent, left arm and right arm constitute by an axial slip cartridge complex arm section of thick bamboo and armed lever, and the equipartition has the butt joint hole on an arm section of thick bamboo and the armed lever, and the butt joint downthehole interpolation is equipped with docking bolt, through the regulation of butt joint hole and docking bolt, can realize the regulation of an arm section of thick bamboo and armed lever cooperation length, also realize the regulation of left arm and right arm length, and open-air adaptability and commonality are stronger.
Claims (8)
1. A kind of replacement ground wire preformed armor rod suspension wire device, its characteristic is: the device comprises a support (1), a lower locking device (3) which can be locked with a cross arm pair (2) is installed at the bottom of the support (1), a main hinge shaft (4) is fixedly arranged in the middle of the support, a left arm (5) and a right arm (6) which can swing up and down on the left side and the right side are hinged on the main hinge shaft respectively, side limiting holes (7) which are arranged from top to bottom are formed in the left side and the right side of the support respectively, limiting bolts (8) which can be in limiting fit with the lower side wall of the left arm or the right arm are inserted in the side limiting holes, a wire roller (9) is installed on the upper portion of the support, a crank (47) is fixedly arranged on the wire roller, a ratchet wheel (10) is coaxially and fixedly arranged at the end of the wire roller, a pawl (11) which is matched with the ratchet wheel is installed on the support, pulley blocks (12) are installed at the end portions of the left arm and the right arm, a pull; the lower locking device (3) comprises a clamping groove (16) arranged on the lower edge side of the bracket (1), the clamping groove is inserted and matched with a horizontally arranged cross arm plate on one edge side of the cross arm pair (2), a lower screw hole (17) is arranged at the bottom of the bracket, and a lower stud (18) capable of locking the cross arm plate in the clamping groove is screwed in the lower screw hole; support below is equipped with and to follow support bottom surface lateral sliding's locking plate (19), the locking plate left end is equipped with opening curved crotch (20) towards the draw-in groove admittedly, be equipped with switching groove (21) that extend along locking plate length direction that correspond with screw down on the locking plate right side section, the lateral wall of switching groove (21) includes two long sidewall (22) and two short sidewall (23), evenly set firmly switch board (24) that a plurality of extend to another long sidewall on one long sidewall (22), form between the adjacent switch board and half groove (25) of switching of double-screw bolt cartridge complex down, still install on the locking plate down the interior stop device (26) of double-screw bolt spacing in a certain switching half groove.
2. The apparatus for replacing a ground wire preformed armor rod suspension wire according to claim 1, wherein: interior stop device (26) are including setting up circular slide (27) in locking plate right-hand member intercommunication switching groove, and it has slide shaft (28) to slide cartridge in the slide, and slide shaft the inner coaxial set firmly screw thread post (29) that are thinner than the slide shaft, be equipped with on the short lateral wall (23) in left side can with slide shaft left side section cartridge complex smooth chamber (30), slide chamber (30) the inner coaxial be equipped with screw thread post spiro union complex internal thread chamber (31).
3. The apparatus for replacing a ground wire preformed armor rod suspension wire according to claim 2, wherein: and a limiting ring (32) in limit fit with the short side wall on the right side is fixedly arranged on the periphery of the right section of the sliding shaft.
4. A device for replacing a ground wire preformed armor rod suspension wire according to claim 3, wherein: the left end of the threaded column is fixedly provided with a conical block (33), and the inner end of the internal thread cavity is provided with a conical cavity (34) matched with the conical block.
5. The apparatus for replacing a ground wire preformed armor rod suspension wire according to claim 4, wherein: an operating wheel (35) is fixedly arranged at the right end of the sliding shaft, and the surface of the operating wheel is provided with hemp grains (36).
6. A device for replacing a ground wire preformed armor rod suspension as claimed in any one of claims 1-5, wherein: the pulley block (12) comprises two pulleys (37) arranged at the tail end of the left arm or the right arm, rotating shafts of the two pulleys are arranged in parallel, and the peripheries of hubs of the pulleys are closely matched.
7. The apparatus for replacing a ground wire preformed armor rod suspension wire according to claim 6, wherein: the wire sleeving device (15) comprises an upper arc cover (38) fixedly arranged at the lower end of the pull rope, one side of the upper arc cover (38) is hinged with a lower arc cover (39) which is buckled into a circular tubular structure with the upper arc cover, connecting holes (40) are formed in the corresponding sides of the lower arc cover and the upper arc cover, connecting bolts (41) for locking the lower arc cover and the upper arc cover together are inserted into the connecting holes, and two ends of the lower arc cover are correspondingly fixedly provided with outwards and downwards extending semi-bell mouths (42).
8. The apparatus for replacing a ground wire preformed armor rod suspension wire according to claim 7, wherein: the left arm and the right arm comprise an arm cylinder (43) and an arm rod (44) which are matched in an inserting mode, butt joint holes (45) are evenly distributed in the arm cylinder and the arm rod, and butt joint bolts (46) which lock the arm cylinder and the arm rod together can be inserted into the butt joint holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009152.3A CN108075388B (en) | 2016-11-16 | 2016-11-16 | Wire hanging device for replacing ground wire preformed armor rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009152.3A CN108075388B (en) | 2016-11-16 | 2016-11-16 | Wire hanging device for replacing ground wire preformed armor rods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108075388A CN108075388A (en) | 2018-05-25 |
| CN108075388B true CN108075388B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009152.3A Expired - Fee Related CN108075388B (en) | 2016-11-16 | 2016-11-16 | Wire hanging device for replacing ground wire preformed armor rods |
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| Country | Link |
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| CN (1) | CN108075388B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113964727B (en) * | 2021-11-18 | 2023-04-07 | 国网辽宁省电力有限公司检修分公司 | Maintenance tool for replacing overhead optical cable of power transmission line |
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| CN202308984U (en) * | 2011-11-03 | 2012-07-04 | 固力发集团有限公司 | Lead suspension clamp |
| JP2013005506A (en) * | 2011-06-14 | 2013-01-07 | Chugoku Electric Power Co Inc:The | Step bolt mechanism |
| CN203553744U (en) * | 2013-10-16 | 2014-04-16 | 国家电网公司 | An ultra extra high voltage AC-DC overhead transmission line ground wire optical cable armour clamp replacing apparatus |
| CN104659727A (en) * | 2015-01-12 | 2015-05-27 | 国家电网公司 | 500kV overhead ground wire straddle-type set wire hanger |
| CN204456910U (en) * | 2015-02-09 | 2015-07-08 | 上海三凯建设管理咨询有限公司 | A kind of telescopic reinforcing steel bar binding hook |
| CN204547826U (en) * | 2015-04-02 | 2015-08-12 | 北京帕尔普线路器材有限公司 | The preformed fixture of a kind of railway |
| CN105826856A (en) * | 2016-04-22 | 2016-08-03 | 国网浙江省电力公司嘉兴供电公司 | Multifunctional lifter for overhead ground wire |
| CN205666530U (en) * | 2016-06-06 | 2016-10-26 | 国家电网公司 | Instrument is changed to straight line insulator |
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2016
- 2016-11-16 CN CN201611009152.3A patent/CN108075388B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013005506A (en) * | 2011-06-14 | 2013-01-07 | Chugoku Electric Power Co Inc:The | Step bolt mechanism |
| CN202308984U (en) * | 2011-11-03 | 2012-07-04 | 固力发集团有限公司 | Lead suspension clamp |
| CN203553744U (en) * | 2013-10-16 | 2014-04-16 | 国家电网公司 | An ultra extra high voltage AC-DC overhead transmission line ground wire optical cable armour clamp replacing apparatus |
| CN104659727A (en) * | 2015-01-12 | 2015-05-27 | 国家电网公司 | 500kV overhead ground wire straddle-type set wire hanger |
| CN204456910U (en) * | 2015-02-09 | 2015-07-08 | 上海三凯建设管理咨询有限公司 | A kind of telescopic reinforcing steel bar binding hook |
| CN204547826U (en) * | 2015-04-02 | 2015-08-12 | 北京帕尔普线路器材有限公司 | The preformed fixture of a kind of railway |
| CN105826856A (en) * | 2016-04-22 | 2016-08-03 | 国网浙江省电力公司嘉兴供电公司 | Multifunctional lifter for overhead ground wire |
| CN205666530U (en) * | 2016-06-06 | 2016-10-26 | 国家电网公司 | Instrument is changed to straight line insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108075388A (en) | 2018-05-25 |
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Effective date of registration: 20190410 Address after: 261021 No. 425 Dongfeng West Street, Weicheng District, Weifang City, Shandong Province Applicant after: STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY Co. Applicant after: State Grid Corporation of China Address before: 261021 8221 Dongfeng East Street, Weifang City, Shandong Province Applicant before: Liu Weihua |
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