CN113629576B - Auxiliary installation device for carrier cable - Google Patents
Auxiliary installation device for carrier cable Download PDFInfo
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- CN113629576B CN113629576B CN202110980791.9A CN202110980791A CN113629576B CN 113629576 B CN113629576 B CN 113629576B CN 202110980791 A CN202110980791 A CN 202110980791A CN 113629576 B CN113629576 B CN 113629576B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention provides a carrier cable auxiliary installation device, and belongs to the technical field of electromechanical construction. The technical scheme is as follows: the auxiliary installation device for the carrier cable is characterized by comprising a base, wherein a lifting mechanism and a rotating mechanism linked with the lifting mechanism are arranged on the base, the lifting mechanism comprises a lifting rod used for placing the carrier cable, the rotating mechanism comprises a rotating plate capable of rotating, the lifting rod is located at the highest point, the rotating plate is located in the horizontal position and is lower than the lifting rod, and the rotating plate rotates to enable the carrier cable to be separated from the lifting rod. The invention has the beneficial effects that: the auxiliary manual work erects the carrier cable on the carrier cable seat on the cantilever.
Description
Technical Field
The invention relates to the technical field of electromechanical construction, in particular to an auxiliary installation device for a carrier cable.
Background
The carrier cable is an important conductor which plays a dual role of power transmission and suspension of a locomotive slideway line. Many catenary laying electric railways are completed by using self-powered stringing operation vehicles, but in some projects, the stringing operation vehicles of construction units before the station are not allowed to enter the engineering lines for construction, and under the condition of tight construction period, the catenary has to be erected manually. The existing method for manually erecting the catenary is generally that a wire coil is threaded with a paying-off shaft and then is placed on a paying-off frame for fixing, the paying-off frame is fixed on the ground, a stringing worker pulls a wire head to erect the catenary, the catenary needs to be erected on a catenary seat on a cantilever during stringing, and generally a plurality of constructors can erect the catenary against the catenary, so that time and labor are wasted, and certain potential safety hazards are also caused.
Disclosure of Invention
The invention aims to provide a carrier cable auxiliary installation device for assisting manual work to erect a carrier cable on a carrier cable seat on a wrist.
The invention is realized by the following measures: the auxiliary installation device for the carrier cable is characterized by comprising a base, wherein a lifting mechanism and a rotating mechanism linked with the lifting mechanism are arranged on the base, the lifting mechanism comprises a lifting rod used for placing the carrier cable, the rotating mechanism comprises a rotatable rotating plate, the lifting rod is located at the highest point, the rotating plate is located at the horizontal position and is lower than the lifting rod, and the rotating plate rotates to enable the carrier cable to be separated from the lifting rod. Preferably, the lifting rod is located at the highest point, and the rotating plate is located at the horizontal position and is slightly lower than the lifting rod.
The base comprises a bottom plate and a vertical plate arranged above one end of the bottom plate, and a boss is arranged on the upper end face of the bottom plate;
the lifting mechanism comprises a sliding groove arranged on the boss, a sliding block is arranged in the sliding groove in a sliding manner, an isosceles triangle block is arranged on the sliding block, an inclined plane of the isosceles triangle block faces the vertical plate, the lifting mechanism further comprises a crank, one end of the crank is connected with the isosceles triangle block through a connecting rod, one end of the connecting rod is connected with the crank through a first ball hinge, the other end of the connecting rod is connected with the isosceles triangle block through a second ball hinge, the second ball hinge is arranged on the inclined plane, the first ball hinge is higher than the second ball hinge, a rectangular shaft is arranged on the upper portion of the connecting rod, a first hinged shaft is arranged on the lower portion of the rectangular shaft, a horizontal rod is arranged at the lower end of the first hinged shaft in a rotating manner, a vertical rod is arranged above one end of the horizontal rod, the vertical rod is located on the outer side of the rectangular block, a second hinged shaft is arranged on the outer side of the vertical rod, a sliding rod is arranged at the outer end of the second hinged shaft in a rotating manner, the lifting rod is sleeved on the sliding rod, a fixed sleeve, a movable rod in the same direction as the vertical rod is arranged on one side of the limit sleeve, a side wall of the support rod, and a movable rod is arranged in the fixed sleeve through a movable sleeve;
the rotating mechanism comprises a driving shaft which is rotatably arranged on the vertical plate, one end of the driving shaft is provided with the rotating plate, the other end of the crank is rotatably arranged at the other end of the driving shaft, and an included angle of orthographic projection between the rotating plate and the crank is 90 degrees;
when the rotating plate is in a horizontal position and the outer end of the rotating plate faces the lifting rod, the crank is in a vertical direction and the lifting rod is at the highest point.
The outer end of the rotating plate is provided with an upper warping plate.
The one end that is close to the drive shaft of rotor plate is provided with the mounting panel, it is provided with the double-screw bolt to rotate on the mounting panel, the one end that the drive shaft was kept away from to the double-screw bolt is provided with spacing dish, the lateral wall of spacing dish with the rotor plate is tangent.
The vertical plate is characterized in that two lug plates are fixedly arranged on the side wall of the vertical plate, a worm is rotatably arranged between the two lug plates, the axis of the worm is in a vertical state, a worm wheel meshed with the worm is arranged on the driving shaft, and a hand wheel is arranged at the upper end of the worm, which extends out of the lug plates. By adopting the worm gear and worm transmission, self-locking can be realized by taking the worm as a driving part, and the safety is improved.
One side of the vertical rod, which is far away from the vertical plate, is provided with a limiting column, a screw rod is sleeved in the limiting column, the screw rod is fixed on the limiting column through a nut, a supporting seat is fixedly arranged on the screw rod, a guide wheel is arranged on the supporting seat in a rotating manner, and an annular groove matched with the carrier cable is arranged on the guide wheel.
A plurality of external connection plates are externally connected to the lifting rod, and the lifting plates are connected and installed on the external connection plates through bolts.
And a plurality of through holes for installing the screw rods are arranged on the limiting columns in the vertical direction.
The base is arranged on a workbench which can be lifted and moved.
The working principle is as follows: the table is raised and lowered and moved to a designated position, near the utility pole or the wrist on the wire support. When the lifting rod is at a low position, the carrier cable is placed on the lifting rod, the position of the stud is adjusted, the carrier cable can be placed in an annular groove of the guide wheel, so that the carrier cable is limited, then after a constructor finishes installing the carrier cable seat, the hand wheel is rotated, the hand wheel drives the worm to rotate, the worm drives the worm gear to rotate anticlockwise, the worm gear drives the driving shaft to rotate, the driving shaft drives the crank to rotate, the crank can drive the connecting rod to swing in a rotating process, the connecting rod can pull the sliding block to do reciprocating linear motion in the sliding groove and pull the rectangular block, the horizontal rod and the vertical rod to swing, and the vertical rod can pull the sliding rod to move up and down in a swinging process so as to drive the lifting rod to move up and down.
The lifting rod moves up and down, and the rotating plate also rotates.
When the rotating plate is in a horizontal position and the outer end of the rotating plate faces the lifting rod, the crank is in a vertical direction and the lifting rod is at the highest point. At this moment the lifter rises the messenger wire and keeps the height of messenger wire to be greater than the messenger wire seat, and at this moment, the rotor plate is in the level and is located the below of messenger wire, works as when the crank continues to rotate, the lifter plate then can descend, the rotor plate is then upwards rotatory from horizontal position, will like this the messenger wire holds up, at this moment, can unscrew the nut messenger and break away from the leading wheel from the below messenger wire, upward the seesaw can carry out spacing avoiding the drop of messenger wire to the messenger wire, the inner slope of upwarp in the rotor plate outer end, messenger wire down landing (if messenger wire is very tight, can artifical supplementary down pull messenger wire) on the rotor plate, fall on the messenger wire seat, in order to avoid the inaccuracy of landing, can pass through the spacing dish carries on spacingly, makes the messenger wire fall on the position of spacing dish all the time (the position of the best spacing dish is close to the messenger wire seat, guarantees as far as possible that messenger wire directly falls on the messenger wire seat. When the carrier cable falls on the carrier cable seat, the rotating plate can be reversely rotated to reset.
Compared with the prior art, the invention has the beneficial effects that: the auxiliary manual work erects the carrier cable on the carrier cable seat on the cantilever, so that the direct contact of people with the carrier cable can be reduced as much as possible, and the injury of people is avoided.
Drawings
Fig. 1 is a first usage state reference diagram of the present invention.
Fig. 2 is a partially enlarged view of C in fig. 1.
Fig. 3 is a partial enlarged view of fig. 1 at D.
Fig. 4 is a schematic view of the overall structure of the present invention.
Fig. 5 is a partial enlarged view of a portion a in fig. 4.
Fig. 6 is a partially enlarged view of fig. 4 at B.
Fig. 7 is a schematic structural view of the rotating plate in a vertical state.
Fig. 8 is a reference diagram of the usage status of the present invention.
Fig. 9 is a partial enlarged view at E in fig. 8.
Wherein the reference numbers are: 1. a base; 2. a lifting mechanism; 3. a rotating mechanism; 4. an ear plate; 5. a limiting column; 6. a work table; 7. a utility pole; 8. a carrier cable; 101. a base plate; 102. a vertical plate; 103. a boss; 201. a chute; 202. a slider; 203. an isosceles triangle block; 204. a crank; 205. a connecting rod; 206. a first ball hinge; 207. a second ball hinge; 208. a rectangular block; 209. a first hinge shaft; 210. a horizontal bar; 211. erecting a rod; 212. a second hinge shaft; 213. a slide bar; 214. a lifting rod; 215. a vertical rod; 216. a limiting sleeve; 217. a travel bar; 218. a support bar; 219. fixing a sleeve; 301. a drive shaft; 302. a rotating plate; 303. a seesaw; 304. mounting a plate; 305. a stud; 306. a limiting disc; 401. a worm; 402. a worm gear; 403. a hand wheel; 501. a screw; 502. a supporting seat; 503. a guide wheel; 504. a nut; 701. a wrist arm; 702. a messenger wire seat.
Detailed Description
In order to clearly explain the technical features of the present solution, the present solution is explained by the following detailed description.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1-9, wherein the workbench in fig. 1 and 8 is a schematic diagram with a cut-away bottom, an auxiliary installation device for a catenary cable comprises a base 1, a lifting mechanism 2 and a rotating mechanism 3 linked with the lifting mechanism 2 are arranged on the base 1, the lifting mechanism 2 comprises a lifting rod 214 for placing the catenary cable 8, the rotating mechanism 3 comprises a rotating plate 302 capable of rotating, the lifting rod 214 is at the highest point, the rotating plate 302 is in a horizontal position and is lower than the lifting rod 214, and the rotating plate rotates to enable the catenary cable 8 to be separated from the lifting rod 214.
Preferably, the lift rod 214 is at the highest point and the rotating plate 302 is in a horizontal position and slightly below the lift rod 214.
The base 1 comprises a bottom plate 101 and a vertical plate 102 arranged above one end of the bottom plate 101, and a boss 103 is arranged on the upper end face of the bottom plate 101;
the lifting mechanism 2 comprises a sliding groove 201 arranged on the boss 103, a sliding block 202 is arranged in the sliding groove 201 in a sliding mode, an isosceles triangle block 203 is arranged on the sliding block 202, an inclined plane of the isosceles triangle block 203 faces the vertical plate 102, and the lifting mechanism further comprises a crank 204, one end of the crank 204 is connected with the isosceles triangle block 203 through a connecting rod 205, one end of the connecting rod 205 is connected with the crank 204 through a first ball hinge 206, the other end of the connecting rod 205 is connected with the isosceles triangle block 203 through a second ball hinge 207, the second ball hinge 207 is arranged on the inclined plane, the first ball hinge 206 is higher than the second ball hinge 207, a rectangular block 208 is arranged on the upper portion of the connecting rod 205, a first hinge shaft 209 is arranged on the lower portion of the rectangular block 208, a horizontal rod 210 is rotatably arranged at the lower end of the first hinge shaft 209, a vertical rod 211 is arranged above one end of the horizontal rod 210, the vertical rod 211 is located on the outer side of the rectangular block 208, a second hinge shaft 212 is arranged on the outer side of the vertical rod 211, a sliding rod 213 is rotatably arranged on the outer end of the vertical rod 212, the lifting rod 214 is sleeved on the sliding rod 213, a vertical rod 215 is arranged in a sliding sleeve 216, one side of the vertical rod 217 of the sliding sleeve 216, a sliding rod 217 of the sliding groove, a sliding rod 217 of the sliding sleeve 216, a sliding rod 219 is arranged on the sliding rod 217 of the sliding sleeve, and a bottom plate 217 of the sliding sleeve 217 of the sliding rod 217 of the sliding sleeve, and a sliding sleeve 201, and a fixed sleeve 217 fixed sleeve, and a sliding rod 217 is arranged on the fixed sleeve 101, and a fixed sleeve 217 fixed sleeve 101;
the rotating mechanism 3 comprises a driving shaft 301 which is rotatably arranged on the vertical plate 102, one end of the driving shaft 301 is provided with a rotating plate 302, the other end of the crank 204 is rotatably arranged at the other end of the driving shaft 301, and the included angle of orthographic projection between the rotating plate 302 and the crank 204 is 90 degrees;
with the rotating plate 302 in the horizontal position and the outer end facing the lifting rod 214, the crank 204 is in the vertical direction and the lifting rod 214 is at the highest point.
The outer end of the rotating plate 302 is provided with a seesaw 303.
The rotating plate 302 is provided with a mounting plate 304 at one end close to the driving shaft 301, the mounting plate 304 is provided with a stud 305 in a rotating manner, a limiting disc 306 is arranged at one end of the stud 305 far away from the driving shaft 301, and the side wall of the limiting disc 306 is tangent to the rotating plate 302.
Two lug plates 4 are fixedly arranged on the side wall of the vertical plate 102, a worm 401 is rotatably arranged between the two lug plates 4, the axis of the worm 401 is in a vertical state, a worm wheel 402 meshed with the worm 401 is arranged on the driving shaft 301, and a hand wheel 403 is arranged at the upper end of the worm 401, which extends out of the lug plates 4. The worm wheel 402 and the worm 401 are adopted for transmission, self-locking can be achieved by taking the worm 401 as a driving part, and safety is improved.
A limiting column 5 is arranged on one side, away from the vertical plate 102, of the vertical rod 215, a screw 501 is sleeved in the limiting column 5, the screw 501 is fixed on the limiting column 5 through a nut 504, a supporting seat 502 is fixedly arranged on the screw 501, a guide wheel 503 is rotatably arranged on the supporting seat 502, and an annular groove matched with the carrier cable 8 is formed in the guide wheel 503.
A plurality of external connection plates are externally connected to the lifting rod 214, and the lifting plates are connected to the external connection plates through bolts. The lifter plate can be installed as is practical to raise the height of the catenary 8, for fine adjustment only.
A plurality of through holes for installing the screw rods 501 are arranged on the limiting column 5 along the vertical direction.
The base 1 is provided on a table 6 that can be lifted and moved. The working surface of the working table 6 can be lifted through a hydraulic mechanism, and the supporting legs of the working table 6 can be provided with driving wheels or can be directly provided with the existing lifting table.
The construction method comprises the following steps: the table 6 is lifted and moved to a designated position near the utility pole 7 or the wrist 701 on the wire support. At the beginning, the lifting rod 214 is at a low position, the messenger wire 8 is placed on the lifting rod 214, the position of the stud 305 is adjusted, so that the messenger wire 8 can be placed in the annular groove of the guide wheel 503 to limit the messenger wire 8, then after a constructor finishes installing the messenger wire seat 702, the hand wheel 403 is rotated, the hand wheel 403 drives the worm 401 to rotate, the worm 401 drives the worm wheel 402 to rotate anticlockwise, the worm wheel 402 drives the driving shaft 301 to rotate, the driving shaft 301 drives the crank 204 to rotate, the crank 204 can drive the connecting rod 205 to swing in the rotating process, the connecting rod 205 can pull the sliding block 202 to do reciprocating linear motion in the sliding groove 201 and pull the rectangular block 208, the horizontal rod 210 and the vertical rod 211 to swing, and the vertical rod 211 can pull the sliding rod 213 to move up and down to drive the lifting rod 214 to move up and down in the swinging process.
The rotating plate 302 rotates while the lifting rod 214 moves up and down.
When the rotating plate 302 is in the horizontal position with the outer end facing the lifting rod 214, the crank 204 is in the vertical direction and the lifting rod 214 is at the highest point. At this time, the lifting rod 214 lifts the catenary 8 and keeps the height of the catenary 8 greater than that of the catenary seat 702, at this time, the rotating plate 302 is horizontal and below the catenary 8, when the crank 204 continues to rotate, the lifting plate descends, the rotating plate 302 rotates upward from the horizontal position, so that the catenary 8 is lifted, at this time, the nut 504 can be unscrewed to separate the guide wheel 503 from the catenary 8 from the lower side, the up-warping plate 303 can limit the catenary 8 to avoid falling of the catenary 8, the inner end of the outer end of the rotating plate 302 tilts upwards, the catenary 8 slides down on the rotating plate 302 (if the catenary 8 is tight, the catenary 8 can be manually assisted to pull down the catenary 8) until the catenary falls on the catenary seat 702, and in order to avoid inaccurate sliding, the limiting can be performed by the limiting disc 306, so that the catenary 8 always falls on the limiting disc 306 (the position of the limiting disc 306 is close to the catenary seat 702, so that the catenary 8 can be guaranteed to fall on the catenary seat 702 as far as possible.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical features of the present invention, which are not described in the present application, can be implemented by or using the prior art, and are not described herein again, and of course, the above description is not limited to the above examples, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which can be made by those skilled in the art within the spirit of the present invention should also fall within the scope of the present invention.
Claims (8)
1. A carrier cable auxiliary mounting device is characterized by comprising a base, wherein a lifting mechanism and a rotating mechanism linked with the lifting mechanism are arranged on the base, the lifting mechanism comprises a lifting rod for placing a carrier cable, the rotating mechanism comprises a rotatable rotating plate, the lifting rod is positioned at the highest point, the rotating plate is positioned at the horizontal position and is lower than the lifting rod, and the carrier cable can be separated from the lifting rod by rotating the rotating plate;
the base comprises a bottom plate and a vertical plate arranged above one end of the bottom plate, and a boss is arranged on the upper end face of the bottom plate;
the lifting mechanism comprises a sliding groove arranged on the boss, a sliding block is arranged in the sliding groove in a sliding mode, an isosceles triangle block is arranged on the sliding block, an inclined plane of the isosceles triangle block faces the vertical plate, the lifting mechanism further comprises a crank, one end of the crank is connected with the isosceles triangle block through a connecting rod, one end of the connecting rod is connected with the crank through a first ball hinge, the other end of the connecting rod is connected with the isosceles triangle block through a second ball hinge, the second ball hinge is arranged on the inclined plane, the first ball hinge is higher than the second ball hinge, a rectangular block is arranged on the upper portion of the connecting rod, a first hinged shaft is arranged on the lower portion of the rectangular block, a horizontal rod is arranged at the lower end of the first hinged shaft in a rotating mode, a vertical rod is arranged above one end of the horizontal rod, the vertical rod is located on the outer side of the rectangular block, a second hinged shaft is arranged on the outer side of the vertical rod, a sliding rod is arranged at the outer end of the second hinged shaft in a rotating mode, the lifting rod is sleeved on the sliding rod, a fixed sleeve, and an external connecting sleeve is arranged on one side wall of the vertical rod;
the rotating mechanism comprises a driving shaft which is rotatably arranged on the vertical plate, the rotating plate is arranged at one end of the driving shaft, the other end of the crank is rotatably arranged at the other end of the driving shaft, and an included angle of orthographic projection between the rotating plate and the crank is 90 degrees;
when the rotating plate is in a horizontal position and the outer end of the rotating plate faces the lifting rod, the crank is in a vertical position and the lifting rod is at the highest point.
2. The catenary auxiliary mounting device of claim 1, wherein the outer end of the rotating plate is provided with a seesaw.
3. The catenary auxiliary mounting device of claim 1, wherein a mounting plate is disposed at an end of the rotating plate close to the driving shaft, a stud is rotatably disposed on the mounting plate, a limiting disc is disposed at an end of the stud away from the driving shaft, and a side wall of the limiting disc is tangential to the rotating plate.
4. The auxiliary catenary mounting device as claimed in claim 1, wherein two lug plates are fixedly arranged on the side wall of the vertical plate, a worm is rotatably arranged between the two lug plates, the axis of the worm is vertical, a worm wheel meshed with the worm is arranged on the driving shaft, and a hand wheel is arranged at the upper end of the worm extending out of the lug plates.
5. The auxiliary installation device for carrier cable according to claim 1, wherein a limiting post is disposed on a side of the vertical rod away from the vertical plate, a screw is sleeved in the limiting post, the screw is fixed on the limiting post through a nut, a support seat is fixedly disposed on the screw, a guide wheel is rotatably disposed on the support seat, and an annular groove matched with the carrier cable is disposed on the guide wheel.
6. The auxiliary catenary mounting device of claim 5, wherein the lifting bar is externally connected with a plurality of external connection plates, and the external connection plates are connected with the lifting plates through bolts.
7. The auxiliary messenger wire mounting device as defined in claim 6 wherein the restraint posts are vertically provided with a plurality of through holes for mounting the threaded rods.
8. The messenger assisted mounting apparatus of claim 1 wherein the base is disposed on a table that can be raised and lowered and moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980791.9A CN113629576B (en) | 2021-08-25 | 2021-08-25 | Auxiliary installation device for carrier cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980791.9A CN113629576B (en) | 2021-08-25 | 2021-08-25 | Auxiliary installation device for carrier cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113629576A CN113629576A (en) | 2021-11-09 |
| CN113629576B true CN113629576B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980791.9A Active CN113629576B (en) | 2021-08-25 | 2021-08-25 | Auxiliary installation device for carrier cable |
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| CN (1) | CN113629576B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211252281U (en) * | 2019-12-13 | 2020-08-14 | 山西省信息产业技术研究院有限公司 | Flexible contact net carrier cable structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB923329A (en) * | 1960-02-19 | 1963-04-10 | Jay Miller Eitel | Improvements in apparatus for placing aerial telephone cables and messengers |
| CN201102482Y (en) * | 2007-08-05 | 2008-08-20 | 襄樊金鹰轨道车辆有限责任公司 | Constant tension stringing vehicle for railway contact net |
| CN107856579A (en) * | 2017-12-08 | 2018-03-30 | 北京中车重工机械有限公司 | A kind of contact net upkeep operation car and its stage apparatus |
| CN109895798A (en) * | 2019-03-26 | 2019-06-18 | 武汉迪亚威紧固件有限公司 | A kind of railway electrification construction Multifunctional aloft-work vehicle |
| CN211770148U (en) * | 2020-03-13 | 2020-10-27 | 北京圭目智能科技有限公司 | Lifting operation platform for railway cantilever installation robot |
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2021
- 2021-08-25 CN CN202110980791.9A patent/CN113629576B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211252281U (en) * | 2019-12-13 | 2020-08-14 | 山西省信息产业技术研究院有限公司 | Flexible contact net carrier cable structure |
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