CN211239083U - Large-tonnage linear labor-saving wire hanging device - Google Patents
Large-tonnage linear labor-saving wire hanging device Download PDFInfo
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- CN211239083U CN211239083U CN201922108605.3U CN201922108605U CN211239083U CN 211239083 U CN211239083 U CN 211239083U CN 201922108605 U CN201922108605 U CN 201922108605U CN 211239083 U CN211239083 U CN 211239083U
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- input shaft
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Abstract
The utility model discloses a laborsaving suspension wire device of large-tonnage straight line, rotate the lead screw that tightens up of being connected including sharp lead screw seat and with sharp lead screw seat, it has the lead screw nut that tightens up to tighten up lead screw threaded connection, be provided with the gearbox on the sharp lead screw seat, the gearbox includes input shaft and output shaft, it is connected with the coaxial rotation of output shaft to tighten up lead screw nut, the one end connection who tightens up the lead screw has the suspension wire pole. The device of this application can increase substantially the work efficiency that high transmission line overhauld through reducing speed and increasing the square gear pair, guarantees the factor of safety in the working process, alleviates operation personnel's working strength, improves whole work efficiency.
Description
Technical Field
The utility model relates to an live working tool technical field, concretely relates to laborsaving suspension wire device of large-tonnage straight line.
Background
The transmission line is realized by using a transformer to boost the electric energy generated by the generator and then connecting the electric energy to the transmission line through control equipment such as a breaker and the like. The transmission lines are divided into overhead transmission lines and cable lines. The overhead transmission line consists of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like and is erected on the ground. The wire, which functions to conduct current, must have a sufficient cross-section to maintain a reasonable current density.
Because of large transmission capacity and high working voltage of the extra-high voltage transmission line, split conductors are mostly adopted (namely, a plurality of conductors form a phase conductor, 2-split, 3-split or 4-split conductors are used most, and 6, 8, 10 or 12-split conductors are adopted in the extra-high voltage transmission line). The overhead ground wire (also called lightning conductor) is mainly used for preventing the overhead line from accidents caused by lightning attack, and has a lightning protection function together with a grounding device. The tower is a main supporting structure of an overhead line, is mostly made of reinforced concrete or steel materials, and is structurally designed according to the requirements of mechanical strength and electrical insulation strength.
Electrical equipment requires frequent testing, inspection and maintenance during long-term operation. Live working is an effective measure for avoiding maintenance and power failure and ensuring normal power supply. The contents of live-line work can be divided into live-line test, live-line inspection, live-line maintenance, and the like. Objects of live working include power plant and substation electrical equipment, overhead transmission lines, distribution lines, and power distribution equipment.
At present, extra-high voltage and extra-high voltage transmission lines such as +/-500 kV, +/-800 kV, 1000kV and the like are increasingly constructed, the work of replacing a suspension insulator string is correspondingly increased, a wire hanging tool used for replacing a large-tonnage whole suspension insulator string is generally a lever block or a hydraulic lead screw, the lever block is heavy and is inconvenient to carry, the hydraulic lead screw often leaks oil in the working process, the normal operation of the work is affected, the working time of live working and power failure is short, the task is heavy, the workload of a working team can be increased due to the fact that tools cannot be normally used, and a large-tonnage linear labor-saving lifting appliance is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model provides a laborsaving suspension wire device of large-tonnage straight line.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the large-tonnage linear labor-saving wire hanging device comprises a linear screw rod seat and a tightening screw rod rotatably connected with the linear screw rod seat, wherein the tightening screw rod is in threaded connection with a tightening screw nut, a gearbox is arranged on the linear screw rod seat and comprises an input shaft and an output shaft, the tightening screw nut is coaxially and rotatably connected with the output shaft, and one end of the tightening screw rod is connected with a wire hanging rod.
Further, the gearbox includes the nut drive gear group of being connected with tightening screw nut, nut drive gear group includes with tightening screw nut coaxial pivoted nut transmission driven tooth and with the nut transmission driven tooth meshing's of nut transmission drive tooth, nut transmission drive tooth is connected with the coaxial rotation of input shaft, the input shaft extends the protrusion to the gearbox outside.
Furthermore, the gearbox also comprises a speed change gear set and a secondary input shaft, the speed change gear set comprises a speed change transmission driven tooth and a speed change transmission driving tooth meshed with the speed change transmission driven tooth, the speed change transmission driven tooth is coaxially and rotatably connected with the nut transmission driving tooth and the input shaft, the secondary input shaft is coaxially and rotatably connected with the speed change transmission driving tooth, and the secondary input shaft extends to protrude to the outside of the gearbox.
Further, the portions of the input shaft and the secondary input shaft protruding outside the transmission case are hexagonal in shape.
Further, the tightening screw nut is coaxially connected with a handle sleeve, and the handle sleeve extends out of the gearbox.
Furthermore, the handle sleeve is provided with anti-skid grains which are convenient for hands to hold and rotate.
Furthermore, two grooves used for being clamped on cross arm angle steel of the iron tower are formed in the bottom of the linear screw rod seat.
Furthermore, the one end that tightens up lead screw connection and hang line pole is provided with hang line pole connecting piece, hang line pole connecting piece includes the U-shaped piece of being connected with the lead screw tip rotation, be provided with the screw and the nut that run through its two chimbs on the U-shaped piece.
Compared with the prior art, the utility model, have following advantage:
the device of this application can increase substantially the work efficiency that high transmission line overhauld through reducing speed and increasing the square gear pair, guarantees the factor of safety in the working process, alleviates operation personnel's working strength, improves whole work efficiency. Meanwhile, the device realizes hierarchical control through the handle sleeve, the input shaft and the secondary input shaft, uses different reduction ratios according to different stages, is convenient to operate manually, simple in structure and convenient to carry, and further has the advantages of high structural strength, simplicity in field assembly, convenience in maintenance, safety, reliability and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the large-tonnage linear labor-saving wire-suspending device;
FIG. 2 is a schematic structural view of the large-tonnage linear labor-saving wire-suspending device in a use state;
description of reference numerals: 1. a linear screw base; 11. a groove; 2. tightening the screw rod; 3. tightening the screw nut; 4. a gearbox; 41. a gearbox cover; 42. a transmission housing; 51. the nut drives the driven gear; 52. the nut drives the driving tooth; 53. a variable speed drive driven tooth; 54. a variable speed drive tooth; 55. a ball bearing; 61. an input shaft; 62. a secondary input shaft; 7. a handle sleeve; 8. a messenger rod connector; 81. a U-shaped block; 82. a screw; 83. a nut; 91. a wire hanging rod; 92. cross arm angle steel; 93. a wrench.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
As shown in fig. 1 and 2, a large-tonnage linear labor-saving suspension wire device comprises a linear screw rod seat 1 and a tightening screw rod 2 rotatably connected with the linear screw rod seat 1, wherein the tightening screw rod 2 is in threaded connection with a tightening screw nut 3, a gearbox 4 is arranged on the linear screw rod seat 1, the gearbox 4 comprises an input shaft 61 and an output shaft, the tightening screw nut 3 is in coaxial rotation with the output shaft, the linear screw rod seat 1 is in coaxial rotation with the tightening screw nut 3 through the gearbox 4, and one end of the tightening screw rod 2 is connected with a suspension wire rod 91.
The gearbox 4 comprises a gearbox shell 42 and a gearbox cover 41, the gearbox shell 42 is fixedly connected with the linear screw rod seat 1, and the gearbox cover 41 is covered on the gearbox shell 42 to form an integral shell structure. The internal structure of the transmission case 4 includes a nut transmission gear set connected to the tightening screw nut 3 and at least one speed change gear set, and since the effect of adding a plurality of speed change gear sets is similar, for convenience of description, only one speed change gear set is provided in this embodiment.
The nut transmission gear set comprises a nut transmission driven tooth 51 and a nut transmission driving tooth 52, the nut transmission driven tooth 51 rotates coaxially with the tightening screw nut 3, the nut transmission driving tooth 52 is meshed with the nut transmission driven tooth 51, the speed change gear set comprises a speed change transmission driven tooth 53 and a speed change transmission driving tooth 54 meshed with the speed change transmission driven tooth 53, the speed change transmission driven tooth 53 is connected with the nut transmission driving tooth 52 and the input shaft 61 in a coaxial rotating mode, and the secondary input shaft 62 is connected with the speed change transmission driving tooth 54 in a coaxial rotating mode. The input shaft 61 and the secondary input shaft 62 are rotatably disposed inside the transmission case 4 through the ball bearings 55, and the input shaft 61 and the secondary input shaft 62 are extended and projected toward the transmission case cover 41 and projected to the outside of the transmission case 4. The portions of the input shaft 61 and the secondary input shaft 62 protruding outside the transmission case 4 are formed in a hexagonal shape, which facilitates adjustment by a worker using a wrench 93.
Meanwhile, the tightening screw nut 3 is coaxially and rotatably connected with a handle sleeve 7, the handle sleeve 7 extends out of the gearbox 4, and the extending direction of the handle sleeve 7 is consistent with the extending direction of the input shaft 61 and the secondary input shaft 62. The outer side wall of the handle sleeve 7 is provided with anti-skid grains which are convenient for hands to hold and rotate. With such an arrangement, the tightening screw 2 can be adjusted by using different shafts according to the actual rotating torque condition. When the method is started, the tightening of the tightening screw rod 2 can be realized by directly adopting a mode that a hand holds the handle sleeve 7 by hands and rotates due to small torsion, and the mode is the fastest mode; when the handle sleeve 7 rotates harder, the wrench 93 can be used for twisting the input shaft 61, so that the tightening of the tightening screw rod 2 is realized; when the input of the input shaft 61 is also relatively laborious, the secondary input shaft 62 can be twisted to achieve tightening, which, although labor-saving, is also relatively slow. The whole process can select to rotate different shafts according to actual conditions to realize the adjustment of the tightening screw rod 2.
In order to enable the linear screw seat 1 to be placed and clamped on the cross arm angle steel 92 of the iron tower better, two grooves 11 used for being clamped on the cross arm angle steel 92 of the iron tower are formed in the bottom of the linear screw seat 1, and when the linear screw seat is used, the grooves 11 in the linear screw seat 1 are clamped with the cross arm angle steel 92, so that the position of the whole device can be stabilized. One end of the tightening screw 2 connected with the wire lifting rod 91 is provided with a wire lifting rod connecting piece 8, the wire lifting rod connecting piece 8 comprises a U-shaped block 81 which is rotationally connected with the end part of the screw rod, and the U-shaped block 81 is provided with a screw 82 and a nut 83 which penetrate through two convex edges of the U-shaped block 81. Therefore, the wire hanging rod 91 can be hooked by the closed loop consisting of the U-shaped block 81 and the screw 82, so as to be connected with the integral device. The wire rod 91 may be a wire rope or the like, and the main purpose of the wire rod is to pull the other end of the wire rod 91.
Specifically, in practical use, the device of the application is firstly placed on the cross arm angle steel 92 on the iron tower, and meanwhile, the wire lifting rod 91 is connected with the wire lifting rod connecting piece 8 on the tightening screw rod 2. Then rotate and tighten up lead screw 2, draw messenger wire pole 91 upwards, when messenger wire pole 91 by the pull-up, because straight line lead screw base and cross arm angle steel 92 joint, just can reduce the distance of this application place iron tower part and iron tower bottom to release the pressure to insulator chain. Finally, the insulator string is taken out, and the tightening screw rod 2 is adjusted to the original position, so that the whole process can be completed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides a laborsaving suspension wire device of large-tonnage straight line which characterized in that: including sharp lead screw seat (1) and with sharp lead screw seat (1) rotate tighten up lead screw (2) of being connected, tighten up lead screw (2) threaded connection have tighten up screw nut (3), be provided with gearbox (4) on sharp lead screw seat (1), gearbox (4) are including input shaft (61) and output shaft, tighten up screw nut (3) and be connected with output shaft coaxial rotation, the one end connection who tightens up lead screw (2) has hang line pole (91).
2. The large-tonnage linear labor-saving suspension wire device according to claim 1, characterized in that: gearbox (4) include with tighten up the nut drive gear group that lead screw nut (3) are connected, nut drive gear group include with tighten up the nut transmission driven tooth (51) of lead screw nut (3) coaxial rotation and with nut transmission driven tooth (51) meshed nut transmission driving tooth (52), nut transmission driving tooth (52) are connected with input shaft (61) coaxial rotation, input shaft (61) extend the protrusion to gearbox (4) outside.
3. The large-tonnage linear labor-saving suspension wire device according to claim 2, characterized in that: the gearbox (4) further comprises a speed change gear set and a secondary input shaft (62), the speed change gear set comprises a speed change transmission driven tooth (53) and a speed change transmission driving tooth (54) meshed with the speed change transmission driven tooth (53), the speed change transmission driven tooth (53) is coaxially and rotatably connected with a nut transmission driving tooth (52) and an input shaft (61), the secondary input shaft (62) is coaxially and rotatably connected with the speed change transmission driving tooth (54), and the secondary input shaft (62) extends to protrude out of the gearbox (4).
4. The large-tonnage linear labor-saving suspension wire device according to claim 3, characterized in that: the parts of the input shaft (61) and the secondary input shaft (62) protruding out of the gearbox (4) are hexagonal.
5. The large-tonnage linear labor-saving suspension wire device according to claim 1, characterized in that: the tightening screw nut (3) is coaxially connected with a handle sleeve (7), and the handle sleeve (7) extends out of the gearbox (4).
6. The large-tonnage linear labor-saving suspension wire device according to claim 5, characterized in that: the handle sleeve (7) is provided with anti-skid grains which are convenient for hands to hold and rotate.
7. The large-tonnage linear labor-saving suspension wire device according to claim 1, characterized in that: the bottom of the linear screw rod seat (1) is provided with two grooves (11) used for being clamped on cross arm angle steel (92) of an iron tower.
8. The large-tonnage linear labor-saving suspension wire device according to claim 1, characterized in that: one end of the tightening screw rod (2) connected with the wire lifting rod (91) is provided with a wire lifting rod connecting piece (8), the wire lifting rod connecting piece (8) comprises a U-shaped block (81) rotatably connected with the end part of the screw rod, and the U-shaped block (81) is provided with a screw (82) and a nut (83) which penetrate through two convex edges of the U-shaped block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108605.3U CN211239083U (en) | 2019-11-29 | 2019-11-29 | Large-tonnage linear labor-saving wire hanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108605.3U CN211239083U (en) | 2019-11-29 | 2019-11-29 | Large-tonnage linear labor-saving wire hanging device |
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| Publication Number | Publication Date |
|---|---|
| CN211239083U true CN211239083U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922108605.3U Active CN211239083U (en) | 2019-11-29 | 2019-11-29 | Large-tonnage linear labor-saving wire hanging device |
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| CN (1) | CN211239083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467613A (en) * | 2020-11-19 | 2021-03-09 | 国网四川省电力公司检修公司 | Large-tonnage insulator mechanical labor-saving lead screw |
-
2019
- 2019-11-29 CN CN201922108605.3U patent/CN211239083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467613A (en) * | 2020-11-19 | 2021-03-09 | 国网四川省电力公司检修公司 | Large-tonnage insulator mechanical labor-saving lead screw |
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