CN111864637B - Adjustable telescopic pulley for cable laying construction in tunnel - Google Patents
Adjustable telescopic pulley for cable laying construction in tunnel Download PDFInfo
- Publication number
- CN111864637B CN111864637B CN202010679097.9A CN202010679097A CN111864637B CN 111864637 B CN111864637 B CN 111864637B CN 202010679097 A CN202010679097 A CN 202010679097A CN 111864637 B CN111864637 B CN 111864637B
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- adjustable telescopic
- telescopic pulley
- angle steel
- tunnel
- column angle
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- 238000010276 construction Methods 0.000 title abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 84
- 239000010959 steel Substances 0.000 claims description 84
- 238000005096 rolling process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- 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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Ladders (AREA)
Abstract
本发明公开了一种隧道内电缆铺设施工用可调节伸缩滑车，属于电缆铺设技术领域；其分为三种：三角梯型可调节伸缩滑车、槽型可调节伸缩滑车和梯型可调节伸缩滑车；隧道V型弯道处设有三角梯型可调节伸缩滑车，三角梯型可调节伸缩滑车为两个滚轮和限位轮形成的三角形滚轮组；隧道直角弯道处设有槽型可调节伸缩滑车，槽型可调节伸缩滑车为四个滚轮首尾连接组成的滚轮组；隧道S型弯道处设有梯型可调节伸缩滑车，梯型可调节伸缩滑车为一个可调节位置的限位轮结构；本发明能够充分保障所更换的电缆不被破坏，保证电缆的完整性及使用功能；能够适应隧道内的所有复杂情况，保证更换电缆施工顺利；大大提高工作效率，节省人工80%以上。
The invention discloses an adjustable telescopic pulley for cable laying construction in a tunnel, belonging to the technical field of cable laying; the telescopic pulley is divided into three types: a triangular ladder-type adjustable telescopic pulley, a groove-type adjustable telescopic pulley and a ladder-type adjustable telescopic pulley; a triangular ladder-type adjustable telescopic pulley is provided at a V-shaped bend in the tunnel, and the triangular ladder-type adjustable telescopic pulley is a triangular roller group formed by two rollers and a limiting wheel; a groove-type adjustable telescopic pulley is provided at a right-angle bend in the tunnel, and the groove-type adjustable telescopic pulley is a roller group composed of four rollers connected end to end; a ladder-type adjustable telescopic pulley is provided at an S-shaped bend in the tunnel, and the ladder-type adjustable telescopic pulley is a limiting wheel structure with an adjustable position; the invention can fully ensure that the replaced cable is not damaged, and ensure the integrity and use function of the cable; it can adapt to all complex situations in the tunnel, and ensure smooth cable replacement construction; it greatly improves work efficiency and saves more than 80% of labor.
Description
Technical Field
The invention relates to an adjustable telescopic pulley for cable laying construction in a tunnel, and belongs to the technical field of cable laying.
Background
In recent years, with the aging and updating demands of cables, a great deal of cable updating and replacing projects will occur in each city. Because the tunnel is narrow and the working surface is narrow, and all old cables cannot be replaced at one time when the cables are replaced, replacement construction of the old cables is carried out in batches and in batches, and thus the construction difficulty is increased. Moreover, the power cable is touched and damaged in personnel construction frequently, and the power supply reliability and personnel and property safety are lost. Therefore, under the condition that the operation flow and the construction process are not similar to the standard operation flow and the construction process, the pay-off bracket is used, so that the operation of constructors is facilitated, and the smooth completion of cable laying is facilitated.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the adjustable telescopic pulley for the cable laying construction in the tunnel, which can fully ensure that the replaced cable is not damaged, ensure the integrity and the use function of the cable, adapt to all complex conditions in the tunnel, ensure the smooth construction of the replaced cable, greatly improve the working efficiency and save more than 80 percent of manpower.
The adjustable telescopic pulley for the cable laying construction in the tunnel comprises three types, namely a triangular ladder type adjustable telescopic pulley, a groove type adjustable telescopic pulley and a ladder type adjustable telescopic pulley, wherein the triangular ladder type adjustable telescopic pulley is arranged at a V-shaped bend of the tunnel, the groove type adjustable telescopic pulley is arranged at a right-angle bend of the tunnel, and the ladder type adjustable telescopic pulley is arranged at an S-shaped bend of the tunnel.
The triangular ladder-type adjustable telescopic pulley comprises first upright angle steel, first cross beam angle steel, first idler wheels, first limiting wheels, first lead screws and first fixed blocks, wherein the two first upright angle steel is fixedly connected with the first cross beam angle steel from top to bottom, the two ends of the first upright angle steel are fixedly connected with the first fixed blocks, the first fixed blocks are provided with threaded holes, the first fixed blocks are in threaded connection with the first lead screws, hexagonal columns are arranged in the middle of the first lead screws, the first upright angle steel is connected with the first idler wheels through bolts and nuts, two short steel plates are respectively added to the two sides outside the two first upright angle steel, lower contact points of the two first idler wheels are located on the two short steel plates of the two first upright angle steel, three contact points are arranged on the short steel plates, the angles of the two opposite first idler wheels can be adjusted, the two opposite first idler wheels are of a V shape, the first limiting wheels are arranged above V-shaped openings, the two ends of each first limiting wheel are respectively connected with the two first upright angle steel through bolts and nuts, the upper parts of the two first upright angle steel are provided with symmetrical first upright angle steel through holes, and the first limiting positions of the first upright angle steel can be adjusted.
The groove-type adjustable telescopic pulley comprises a second upright angle steel, a second screw rod, a second fixing block and second rollers, wherein the second fixing block is fixedly connected to two ends of the second upright angle steel, the second fixing block is in threaded connection with the second screw rod, a hexagonal prism is arranged in the middle of the second screw rod, four second rollers are fixedly connected end to form a square closed roller group, the roller group is connected with the second upright angle steel through bolt and nut matching, a plurality of bolt through holes are formed in the second upright angle steel, and the position of the roller group on the second upright angle steel can be adjusted.
The ladder-type adjustable telescopic pulley comprises third upright post angle steel, second cross beam angle steel, third fixed blocks, third lead screws and second limiting wheels, wherein the upper end, the middle end and the lower end of each of the two third upright post angle steel are respectively fixedly connected with each other through the second cross beam angle steel, the third fixed blocks are fixedly connected with the two ends of each of the third upright post angle steel, threaded holes are formed in the third fixed blocks, the third fixed blocks are in threaded connection with the third lead screws, the two ends of each of the second limiting wheels are respectively connected with the two third upright post angle steel through bolts and nuts, a hexagonal prism is arranged in the middle of each of the third lead screws, and a plurality of symmetrical bolt through holes are formed in each of the two third upright post angle steel, so that the positions of the second limiting wheels on the third upright post angle steel can be adjusted.
At tunnel V type bend department, the adjustable flexible coaster of triangle trapezoid is vertical to be placed, through screwing up first lead screw, vertical fixed in the tunnel, the cable passes two first gyro wheels and the triangle-shaped gyro wheel group that first spacing wheel encloses, realizes that the cable is when passing V type bend, to the protection and the spacing of cable.
At tunnel right angle bend department, the adjustable flexible coaster of groove is vertical to be placed, through screwing up the second lead screw, vertical fixed in the tunnel, and the cable passes four second gyro wheels head and the tail fixed connection and forms a square closed roller train, realizes that the cable is when passing right angle bend, to the protection and the spacing of cable.
At tunnel S type bend department, the adjustable flexible coaster level of ladder type is placed, through screwing up the third lead screw, and is fixed at the tunnel internal level, because the characteristics of S type bend, the cable is when passing S type bend, is close to tunnel S type bend convex surface department, so with the second spacing wheel regulation to be close to tunnel S type bend convex surface department, protection and spacing to the cable.
The invention has the advantages that the invention can fully ensure that the replaced cable is not damaged, ensure the integrity and the use function of the cable, adapt to all complex conditions in a tunnel, ensure the smooth construction of the replaced cable, ensure the cable to be effectively controlled if S-bend, right-angle bend, large-radian corner and V-bend are met, greatly improve the working efficiency and save more than 80 percent of manpower.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a triangle ladder type adjustable telescopic pulley in the invention.
Fig. 2 is a schematic structural view of a slot-type adjustable telescopic pulley according to the present invention.
Fig. 3 is a schematic structural view of a ladder type adjustable telescopic pulley according to the present invention.
Fig. 4 is a top view of example 1.
Fig. 5 is a side view of example 1.
Fig. 6 is a top view of example 2.
Fig. 7 is a side view of example 2.
Fig. 8 is a top view of example 3.
Fig. 9 is a side view of example 3.
Reference numerals in the drawings:
1. The adjustable flexible coaster of triangle ladder type, 11, first stand angle steel, 12, first crossbeam angle steel, 13, first gyro wheel, 14, first spacing wheel, 15, first lead screw, 16, first fixed block, 2, the adjustable flexible coaster of groove type, 21, second stand angle steel, 22, the second lead screw, 23, the second fixed block, 24, the second gyro wheel, 3, the adjustable flexible coaster of ladder type, 31, third stand angle steel, 32, the second crossbeam angle steel, 33, the third fixed block, 34, the third lead screw, 35, the second spacing wheel, 4, the cable, 5, tunnel V type bend, 6, tunnel S type bend, 7, tunnel right angle bend.
Detailed Description
As shown in fig. 1-9, the adjustable telescopic pulley for the cable laying construction in the tunnel is divided into three types, wherein the first type is a triangular ladder type adjustable telescopic pulley 1, the second type is a groove type adjustable telescopic pulley 2, the third type is a ladder type adjustable telescopic pulley 3, a triangular ladder type adjustable telescopic pulley 1 is arranged at a tunnel V-shaped curve 5, a groove type adjustable telescopic pulley 2 is arranged at a tunnel right-angle curve 7, and a ladder type adjustable telescopic pulley 3 is arranged at a tunnel S-shaped curve 6.
The triangular ladder-type adjustable telescopic pulley 1 comprises first upright angle steel 11, first cross beam angle steel 12, first rolling wheels 13, first limiting wheels 14, first lead screws 15 and first fixing blocks 16, wherein the upper, middle and lower parts of the two first upright angle steel 11 are fixedly connected with the first cross beam angle steel 12 respectively, the two ends of the first upright angle steel 11 are fixedly connected with the first fixing blocks 16, the first fixing blocks 16 are provided with threaded holes, the first fixing blocks 16 are in threaded connection with the first lead screws 15, hexagonal columns are arranged in the middle of the first rolling wheels 15, the first upright angle steel 11 is connected with first rolling wheels 13 through bolts and nuts, two short steel plates are respectively added to the two outer sides of the two first upright angle steel 11, lower joint points of the two first rolling wheels 13 are located at the lower parts of the two first upright angle steel 11, three joint points are arranged on the two short steel plates of the two first upright angle steel 11 respectively, the two opposite first rolling wheels 13 can be adjusted, the two opposite first rolling wheels 13 are in a V shape, the upper part of the V-shaped opening is provided with first limiting wheels 14, the two limiting angle steel wheels 11 are respectively connected with the two first upright angle steel 11 through the first limiting bolts and the two limiting wheels 11.
The groove-type adjustable telescopic pulley 2 comprises a second upright angle steel 21, a second lead screw 22, a second fixed block 23 and a second roller 24, wherein the second fixed block 23 is fixedly connected to two ends of the second upright angle steel 21, the second fixed block 23 is in threaded connection with the second lead screw 22, a hexagonal prism is arranged in the middle of the second lead screw 22, the four second rollers 24 are fixedly connected end to form a square closed roller group, the roller group is connected with the second upright angle steel 21 through bolt and nut matching, a plurality of bolt through holes are formed in the second upright angle steel 21, and the position of the roller group on the second upright angle steel 21 can be adjusted.
The ladder-type adjustable telescopic pulley 3 comprises third upright angle steel 31, second cross beam angle steel 32, third fixing blocks 33, third lead screws 34 and second limiting wheels 35, wherein the upper end, the middle end and the lower end of the two third upright angle steel 31 are respectively fixedly connected through the second cross beam angle steel 32, the third fixing blocks 33 are fixedly connected to the two ends of the third upright angle steel 31, threaded holes are formed in the third fixing blocks 33, the third fixing blocks 33 are in threaded connection with the third lead screws 34, hexagonal columns are arranged in the middle of the third lead screws 34, the two ends of the second limiting wheels 35 are respectively connected with the two third upright angle steel 31 through bolts and nuts, and a plurality of symmetrical bolt through holes are formed in the two third upright angle steel 31, so that the positions of the second limiting wheels 35 on the third upright angle steel 31 can be adjusted.
Example 1
At tunnel V type bend 5 department, the adjustable flexible coaster 1 of triangle ladder type is vertical to be placed, through screwing up first lead screw 15, vertical fixed in the tunnel, and cable 4 passes the triangle-shaped roller train that two first gyro wheels 13 and first spacing wheel 14 enclose, realizes that cable 4 is when passing V type bend, to the protection and the spacing of cable 4.
Example 2
At tunnel right angle bend 7 department, the adjustable flexible coaster 2 of groove is vertical to be placed, through screwing up second lead screw 22, vertical fixed in the tunnel, and cable 4 passes four second gyro wheels 24 head and the tail fixed connection and forms a square closed roller train, realizes that cable 4 is when passing right angle bend 7, to the protection and the spacing of cable 4.
Example 3
At tunnel S type bend department, the adjustable flexible coaster 3 level of ladder type is placed, through screwing up third lead screw 34, and is fixed at the tunnel internal level, because the characteristics of S type bend, cable 4 is when passing S type bend, is close to tunnel S type bend convex surface department, so with second spacing wheel 35 regulation to be close to tunnel S type bend convex surface department, protection and spacing to cable 4.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679097.9A CN111864637B (en) | 2020-07-15 | 2020-07-15 | Adjustable telescopic pulley for cable laying construction in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679097.9A CN111864637B (en) | 2020-07-15 | 2020-07-15 | Adjustable telescopic pulley for cable laying construction in tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111864637A CN111864637A (en) | 2020-10-30 |
| CN111864637B true CN111864637B (en) | 2024-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010679097.9A Active CN111864637B (en) | 2020-07-15 | 2020-07-15 | Adjustable telescopic pulley for cable laying construction in tunnel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207638250U (en) * | 2017-12-22 | 2018-07-20 | 宁波送变电建设有限公司 | Cable tunnel lays special stand coaster |
| CN208782379U (en) * | 2018-08-22 | 2019-04-23 | 国网浙江杭州市临安区供电有限公司 | An adjustable cable wellhead pulley |
| CN210297083U (en) * | 2019-08-15 | 2020-04-10 | 江苏杜昌电力设备制造有限公司 | Tunnel annular cable pulley |
| CN212230969U (en) * | 2020-07-15 | 2020-12-25 | 黑龙江瑞联峰建设有限责任公司 | Adjustable flexible coaster of triangle trapezoidal form is laid to cable |
| CN212258268U (en) * | 2020-07-15 | 2020-12-29 | 黑龙江瑞联峰建设有限责任公司 | Adjustable flexible coaster of cable laying cell type |
| CN212323577U (en) * | 2020-07-15 | 2021-01-08 | 黑龙江瑞联峰建设有限责任公司 | Trapezoidal adjustable flexible coaster of cable laying |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8906182D0 (en) * | 1989-03-17 | 1989-05-04 | Bicc Plc | Improved tensioning apparatus for overhead electric traction systems |
| SE513038C2 (en) * | 1998-11-25 | 2000-06-26 | Ericsson Telefon Ab L M | Hangers with integrated cable car for cable |
| CN102013645B (en) * | 2010-11-18 | 2012-10-31 | 重庆市电力公司江北供电局 | Hauling cable positioning labor-saving guide wheel |
-
2020
- 2020-07-15 CN CN202010679097.9A patent/CN111864637B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207638250U (en) * | 2017-12-22 | 2018-07-20 | 宁波送变电建设有限公司 | Cable tunnel lays special stand coaster |
| CN208782379U (en) * | 2018-08-22 | 2019-04-23 | 国网浙江杭州市临安区供电有限公司 | An adjustable cable wellhead pulley |
| CN210297083U (en) * | 2019-08-15 | 2020-04-10 | 江苏杜昌电力设备制造有限公司 | Tunnel annular cable pulley |
| CN212230969U (en) * | 2020-07-15 | 2020-12-25 | 黑龙江瑞联峰建设有限责任公司 | Adjustable flexible coaster of triangle trapezoidal form is laid to cable |
| CN212258268U (en) * | 2020-07-15 | 2020-12-29 | 黑龙江瑞联峰建设有限责任公司 | Adjustable flexible coaster of cable laying cell type |
| CN212323577U (en) * | 2020-07-15 | 2021-01-08 | 黑龙江瑞联峰建设有限责任公司 | Trapezoidal adjustable flexible coaster of cable laying |
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| CN111864637A (en) | 2020-10-30 |
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