CN220401280U - Quick cable laying device for tunnel - Google Patents
Quick cable laying device for tunnel Download PDFInfo
- Publication number
- CN220401280U CN220401280U CN202322011001.3U CN202322011001U CN220401280U CN 220401280 U CN220401280 U CN 220401280U CN 202322011001 U CN202322011001 U CN 202322011001U CN 220401280 U CN220401280 U CN 220401280U
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- pulley
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- shaped supporting
- quick
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- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides a quick cable laying device for a tunnel, which solves the problems of long cable dragging time, large power consumption of operators, inconvenience in reliable fixing, potential safety hazard and the like. In addition, the device can realize the recycling of the cable and the cable quick laying device for the tunnel and reduce the damage of wastes generated in the construction process to the environment, and the device comprises a pulley frame, wherein a plurality of pulley blocks distributed around the center of the pulley frame are arranged in the pulley frame, each pulley block comprises a rotatable pulley unit, annular grooves with arc-shaped sections are arranged on the pulley units along the outer circumference, and limit spaces for supporting the cable are formed on the inner cambered surfaces of the pulley units of all the pulley blocks; and a pulley locking mechanism for locking the pulley unit is further arranged in the pulley frame.
Description
Technical Field
The utility model relates to the technical field of laying and installing of main power supply cables of tunnel shield machines, in particular to a rapid laying device for cables for tunnels.
Background
Along with the high-speed development of the expressway high-speed railway network in China, the tunnel shield machine is increasingly widely used. The laying mode of the main power supply cable of the existing shield tunneling machine is as follows: after the shield machine excavates and enters the tunnel, the cable is slowly released on the cable reel of the shield machine, the cable is manually conveyed and installed on the cable hook, when the cable length is used, the newly-increased cable is manually conveyed to the shield machine, the cable connector on the shield machine is removed, the newly-increased cable is connected, and the shield machine continues to work after the cable reel of the shield machine is rolled up. If the cable fails during the period, the cable needs to be manually replaced or the nearby cable with a longer distance is taken down to evenly leave the allowance for maintenance. After the engineering construction is completed, the cables are all taken down manually, and the cables are recovered section by section. The extension, repair and recovery work of the cable depend on manual work extremely, more personnel are needed, the time is consumed for prolonging the construction period, the working environment of dampness, poor ventilation and poor ventilation is faced when a narrow tunnel is constructed, and the labor intensity of the personnel is high and is seriously mismatched with the construction rhythm of the high-integration automation of the existing shield machine.
Therefore, it is necessary to provide a fast cable laying device for tunnels and an application method thereof to solve the above technical problems.
Disclosure of Invention
The utility model provides a quick cable laying device for a tunnel, which solves the problems of long cable dragging time, large power consumption of operators, inconvenience in reliable fixing, potential safety hazard and the like. In addition, the repeated utilization of the quick cable laying device for the cables and tunnels can be realized, and the damage of wastes generated in the construction process to the environment is reduced.
The utility model is realized by the following technical scheme:
the utility model provides a quick laying device of cable for tunnel, includes the pulley yoke, be equipped with a plurality of pulley blocks that wind its center distribution in the pulley yoke, the pulley block is including rotatable pulley unit, the pulley unit is equipped with the annular of arc cross-section along the outer circumference, the inboard cambered surface of pulley unit of all pulley blocks forms the spacing space that is used for supporting the cable;
and a pulley locking mechanism for locking the pulley unit is further arranged in the pulley frame.
Furthermore, the pulley frame is of an annular structure formed by detachably connecting a plurality of arc-shaped supporting plates end to end.
Further, a pulley block is correspondingly arranged on the inner side of each arc-shaped supporting plate.
Further, two wheel shaft seats which are distributed in a bilateral symmetry manner are arranged on the inner side face of the arc-shaped supporting plate, a pulley shaft is arranged between the two wheel shaft seats, and the pulley unit is rotationally connected to the pulley shaft through a bearing assembly.
Further, each pulley block corresponds to a pulley locking mechanism, the pulley locking mechanism comprises two locking bolts, the two locking bolts are respectively connected to the two pulley seats in a threaded mode, and a plurality of positioning holes matched with the locking bolts are uniformly formed in the left end face and the right end face of the pulley unit respectively.
Further, the left end and the right end of the pulley shaft are fixed on the pulley shaft seat through locking nuts, two clamping springs are assembled on the pulley shaft through grooves, and the two clamping springs limit the left end and the right end of the pulley unit.
Further, round tube type pin seats are arranged on the left side edge and the right side edge of the arc-shaped supporting plates, and adjacent arc-shaped supporting plates are connected into a whole through round tube type pin seats and matched pin shafts;
the left side and the right side of the arc-shaped supporting plate are also provided with square windows.
Further, the mounting seat is further provided with an opening clamping groove, the outer side of one arc-shaped supporting plate is connected with a plugboard through a plurality of supporting plates, and the plugboard can be matched and inserted into the opening clamping groove.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model is suitable for laying and installing the main power supply cable of the tunnel shield machine, and solves the problems of long cable dragging time, large power consumption of operators, inconvenience for reliable fixing, potential safety hazard and the like.
2. The cable is protected, the repeated utilization of the cable and the quick cable laying device for tunnels is realized, and the damage of wastes generated in the construction process to the environment is reduced;
3. all accessories are universal accessories and materials which are easy to obtain in the market, the processing is simple, and compared with the cost of labor which is increasingly increased at present, the construction investment is reduced.
Drawings
FIG. 1 is a schematic perspective view of a rapid cable laying device for tunnels according to the present utility model;
FIG. 2 is a schematic diagram of a pulley block according to the present utility model;
FIG. 3 is a cross-sectional view of the rapid cable laying apparatus for tunnels according to the present utility model;
in the figure: 1. the installation seat, 2, the arc layer board, 3, pipe formula key seat, 4, square window, 5, assembly pulley, 6, axle bed, 7, pulley shaft, 8, annular, 9, jump ring, 10, pulley unit, 11, locking bolt, 12, locating hole, 13, opening draw-in groove, 14, picture peg.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the embodiment discloses a rapid cable laying device for a tunnel, which comprises a pulley frame and an installation seat 1. The pulley frame is an annular structure assembled by three arc-shaped supporting plates 2 in a detachable connection mode from head to tail, and for convenience in detachable connection, in the embodiment, circular tube type pin seats 3 are welded on the left side edge and the right side edge of each arc-shaped supporting plate 2, and adjacent arc-shaped supporting plates 2 are integrally connected through the circular tube type pin seats 3 in a matched pin shaft mode. For convenient operation, square windows 4 are cut on the left and right sides of the arc-shaped supporting plate 2.
As shown in fig. 2, a pulley block 5 is correspondingly installed on the inner side face of each arc-shaped supporting plate 2, the pulley blocks 5 are uniformly distributed in the pulley frame around the central line of the pulley frame, two pulley shafts 6 which are symmetrically distributed left and right are installed on the inner side face of each arc-shaped supporting plate 2 in a welding mode, the left and right ends of each pulley shaft 7 are fixed on the pulley shafts 6 through locking nuts, so that the pulley shafts 7 are fixed between the two pulley shafts 6, each pulley block 5 mainly comprises a pulley unit 10, each pulley unit 10 is of a roller structure, annular grooves 8 with arc-shaped cross sections are formed in the pulley units 10 along the outer circumference, the pulley units 10 are rotatably connected to the pulley shafts 7 through bearing assemblies, annular grooves are formed in the two ends of each pulley shaft 7, clamping springs 9 are assembled in the grooves of each pulley shaft 7, the two clamping springs 9 limit the left and right ends of each pulley unit 10, and the inner arc surfaces of the pulley units 10 of all the pulley blocks 5 form a limiting space for supporting cables.
As shown in fig. 3, in order to fix the pulley units 10, each pulley unit 10 corresponds to a pulley locking mechanism, the pulley locking mechanism includes two locking bolts 11, the two locking bolts 11 are respectively screwed on the two axle seats 6, four positioning holes 12 matched with the locking bolts 11 are respectively and uniformly machined on the left and right end surfaces of the pulley unit 10, and the tightening bolts can be inserted into the positioning holes 12 to fix the pulley unit 10 by rotating the tightening bolts.
An open clamping groove 13 is formed in the mounting seat 1, a plugboard 14 is welded to the outer side of one of the arc-shaped supporting plates 2 through a plurality of supporting plates, and the plugboard 14 can be inserted into the open clamping groove 13 in a matched mode.
The specific use process of the quick cable laying device for tunnels is as follows:
a plurality of first through holes are formed in the bottom plate of the mounting seat and used for mounting expansion bolts, the mounting seat is fixed on the inner wall of a tunnel through the expansion bolts, and the opening clamping groove of the mounting seat is used for mounting the plugboard of the pulley frame, so that the pulley frame is fixed. Each pulley block is arranged in a corresponding arc-shaped supporting plate, the arc-shaped supporting plates are connected into a whole through round tube type pin seats and matched with pin shafts, limiting spaces for supporting cables are formed on the inner cambered surfaces of pulley units of all the pulley blocks, the cables penetrate through the limiting spaces, and the axial planes of pulley shafts of a plurality of the pulley blocks are parallel to the radial cross section of the cables. When the locking bolt is not screwed down and inserted into the positioning hole, the cable slides in the middle of the pulley block, and the cable can be protected from being extruded and scratched. After the tightening part of the locking bolt is inserted into the positioning hole, the cable cannot move in the middle of the pulley block.
And along with the movement of the shield machine, the cable reel on the shield machine slowly releases the cable to finish the cable laying work. The locking bolts near the fault points can be loosened when faults such as local broken skin short circuit of the cable occur in the use process, and the cable is repaired by evenly discharging the allowance. When the length of the cable is required to be prolonged, all locking bolts are loosened, cable joints are connected at the tunnel portal, the cable is placed on the electric cable reel, the electric cable reel gradually releases the cable, the shield machine cable reel slowly retracts the cable until the cable is completely prolonged, all locking bolts are locked, all locking bolts can be loosened when the cable is removed, the cable joints at any end are removed, the electric cable reel is directly recycled at the other end, and then the cable quick laying device is removed for recycling.
Claims (8)
1. The quick cable laying device for the tunnel is characterized by comprising a pulley frame, wherein a plurality of pulley blocks distributed around the center of the pulley frame are arranged in the pulley frame, each pulley block comprises a rotatable pulley unit, annular grooves with arc-shaped sections are formed in the pulley units along the outer circumference of each pulley unit, and limiting spaces for supporting cables are formed in the inner arc surfaces of the pulley units of all the pulley blocks;
and a pulley locking mechanism for locking the pulley unit is further arranged in the pulley frame.
2. The quick laying apparatus for cables for tunnels according to claim 1, wherein the pulley frame is a ring structure detachably connected end to end by a plurality of arc-shaped supporting plates.
3. The quick laying device for cables for tunnels according to claim 2, wherein each arc-shaped supporting plate is provided with a pulley block at the inner side thereof.
4. The rapid cable laying apparatus for tunnels according to claim 3, wherein the inner side surface of the arc-shaped supporting plate is provided with two wheel shaft seats which are symmetrically distributed left and right, a pulley shaft is installed between the two wheel shaft seats, and the pulley unit is rotatably connected to the pulley shaft through a bearing assembly.
5. The quick cable laying apparatus for tunnels according to claim 4, wherein each pulley block corresponds to a pulley locking mechanism, the pulley locking mechanism comprises two locking bolts, the two locking bolts are respectively screwed on the two pulley seats, and a plurality of positioning holes matched with the locking bolts are respectively and uniformly arranged on the left end face and the right end face of the pulley unit.
6. The quick cable laying apparatus for tunnel according to claim 4, wherein the left and right ends of the pulley shaft are fixed on the pulley shaft seat by lock nuts, and two snap springs are assembled on the pulley shaft through grooves, and limit the left and right ends of the pulley unit.
7. The rapid cable laying device for tunnels according to claim 2, wherein circular tube type pin seats are arranged on the left side and the right side of the arc-shaped supporting plates, and adjacent arc-shaped supporting plates are connected into a whole through circular tube type pin seats and matched pin shafts;
the left side and the right side of the arc-shaped supporting plate are also provided with square windows.
8. The quick laying device for cables for tunnels according to any one of claims 2 to 7, further comprising a mounting seat, wherein an open clamping groove is formed in the mounting seat, and a plugboard is connected to the outer side of one of the arc-shaped supporting plates through a plurality of supporting plates, and can be inserted into the open clamping groove in a matched manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322011001.3U CN220401280U (en) | 2023-07-28 | 2023-07-28 | Quick cable laying device for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322011001.3U CN220401280U (en) | 2023-07-28 | 2023-07-28 | Quick cable laying device for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220401280U true CN220401280U (en) | 2024-01-26 |
Family
ID=89602918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322011001.3U Active CN220401280U (en) | 2023-07-28 | 2023-07-28 | Quick cable laying device for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220401280U (en) |
-
2023
- 2023-07-28 CN CN202322011001.3U patent/CN220401280U/en active Active
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