CN219123819U - Major diameter shield tunnel cable laying device - Google Patents
Major diameter shield tunnel cable laying device Download PDFInfo
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- CN219123819U CN219123819U CN202320081245.6U CN202320081245U CN219123819U CN 219123819 U CN219123819 U CN 219123819U CN 202320081245 U CN202320081245 U CN 202320081245U CN 219123819 U CN219123819 U CN 219123819U
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- track
- shield tunnel
- diameter shield
- crawler belt
- cable laying
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- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 abstract description 9
- 230000002146 bilateral effect Effects 0.000 abstract description 3
- 208000037805 labour Diseases 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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Abstract
The technical problem to be solved by the utility model is to provide a large-diameter shield tunnel cable laying device, which is used for assisting in carrying cables through a wire stretcher, improving construction efficiency and reducing labor force, and comprises a wire stretcher, wherein the wire stretcher is arranged on a top platform of a trolley and comprises a support frame, the top surface of the support frame is provided with two crawler transmission mechanisms which are distributed in a bilateral symmetry manner and can adjust the distance, the crawler transmission surfaces of the two crawler transmission mechanisms are vertically distributed, and the crawler transmission surfaces of the two crawler transmission mechanisms are used for clamping the cable; the wire coil rack is placed at the edge position of the box culvert at the rear part of the trolley cable stacking platform.
Description
Technical Field
The utility model relates to the technical field of construction cable laying in a large-diameter shield tunnel, in particular to a large-diameter shield tunnel cable laying device.
Background
The large-diameter shield tunnel needs to synchronously erect cables in the process of excavation, the trolley walks on the upward arch blocks on two sides of the box culvert, the top surface of the box culvert is a transportation lane, and various materials such as sealing grease, bolts and the like are transported. The large-diameter shield tunnel has large cross section size, the circular cross section is divided into different areas by utilizing the box culvert and the lining, the multifunctional utilization of the tunnel is realized, and the improvement of the cross section utilization rate is a common mode of the large-diameter shield tunnel. In the large-diameter shield tunnel built by the common rail, the lower part of the box culvert needs to meet the traffic requirement of the rail transit, the upper part of the box culvert needs to meet the traffic height of the box culvert vehicle and the segment vehicle, and the position of the trolley platform is higher, so that the platform at the top of the trolley is closer to the vault, and no hoisting operation space exists.
The prior art publication No. CN113833480A discloses a shield initial tunneling and arrival construction method, which introduces the installation and debugging of each device at the beginning of the shield, wherein one link is the laying of a cable. As is known, the shield machine cutterhead used by the large-diameter shield has larger rated torsion and escaping torque, the required cable of the shield machine cutterhead needs to meet 10000KW power supply requirement, and the cable body is large. And shield tunnel degree of mechanization is high, and used instrument and equipment is more, and the general condition is equipped with cable at the platform truck end and stacks the position, is limited in platform truck space height limited, and the cable stacks the position and is close to the tunnel vault, then pulls the cable end through the manual work, pulls the transport with the cable through the manual work mode, and the rethread is laid, because cable volume and weight are all great, needs a large amount of manpowers to carry out work in cable line handling, and this kind of mode efficiency of construction is low and needs a large amount of labours, and the feasibility is very poor in the field.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the large-diameter shield tunnel cable laying device, which is used for assisting in carrying cables through a wire stretcher, improving the construction efficiency and reducing the labor force.
The utility model is realized by the following technical scheme:
a large-diameter shield tunnel cable laying device, which comprises,
the wire stretcher is arranged on a top platform of the trolley and comprises a support frame, wherein the top surface of the support frame is provided with two crawler belt transmission mechanisms which are symmetrically distributed left and right and can adjust the distance, the crawler belt transmission surfaces of the two crawler belt transmission mechanisms are vertically distributed, and the crawler belt transmission surfaces of the two crawler belt transmission mechanisms are used for clamping the cable at the clamping distance;
the wire coil rack is placed at the edge position of the box culvert at the rear part of the trolley cable stacking platform.
Further, the crawler belt transmission mechanism comprises a shell, a crawler belt driving wheel, a crawler belt driven wheel, a crawler belt and a driving motor, wherein the shell is of a cuboid empty shell structure, the crawler belt driving wheel and the crawler belt driven wheel are respectively connected with the front end and the rear end in the shell in a rotating mode, the crawler belt is assembled on the crawler belt driving wheel and the crawler belt driven wheel, and an opening exposing the crawler belt transmission surface is formed in the side face of the shell;
the driving motor is arranged at the bottom of the front end of the shell and is connected with the crawler driving wheel.
Further, the support frame is internally provided with a left guide rail groove and a right guide rail groove which are transversely distributed, an adjusting screw is installed in the guide rail groove along the length direction of the guide rail groove in a rotating mode, two sections of reverse threads are arranged on the adjusting screw, the two sections of reverse threads are respectively connected with a sliding block in a threaded mode, the sliding blocks are matched in the guide rail groove to slide left and right, and the tops of the two sliding blocks are respectively corresponding to the bottoms of the shells of the two crawler belt conveying mechanisms in a fixed connection mode.
Further, one end of the adjusting screw rod extends to the outside of the supporting frame and is fixedly provided with a hand rocker.
Further, the cable stop device comprises a stop device, the stop device comprises two upright posts, two cross bars which are distributed up and down are connected between the two upright posts, the cross bars below the two upright posts are sleeved with rollers, and the two cross bars form rectangular holes for allowing cables to pass through.
Furthermore, the number of the limiting devices is two, and the limiting devices are respectively vertically fixed at the front side and the rear side of the wire stretcher.
Further, the power of the driving motor is 4-5KW.
Compared with the prior art, the utility model has the following beneficial effects:
1. the cable pulling machine is arranged on a top platform of the trolley, the wire coil frame is arranged at the edge position of a box culvert at the rear part of the trolley cable stacking platform, the cable coil is assembled on the wire coil frame, the cable heads are clamped on crawler transmission surfaces of two crawler transmission mechanisms, when the crawler transmission mechanisms operate, cables are carried from the wire coil frame to the trolley platform and stacked manually, and cables are synchronously laid on the side wall of a tunnel while shield tunneling;
the cable pulling machine is mainly used for assisting in carrying the cable, so that the long cable required by the shield tunnel can be quickly lifted to the corresponding position, and the construction efficiency is improved and the labor force is reduced by manually assisting in laying;
2. the adjusting screw is rotated by the hand-operated rod, so that the distance between the crawler transmission surfaces of the two crawler transmission mechanisms is changed, the long cables with various diameters are conveyed, the conveying speed of the long cables with different diameters is constant, and the efficiency is high;
3. two crossbars of stop device form the rectangular hole that allows the cable to pass, make things convenient for the cable to pass, avoid the cable to take place the friction with the platform truck and cause the damage.
Drawings
FIG. 1 is a schematic diagram of the whole wire stretcher according to the present utility model;
FIG. 2 is a schematic view of the interior of the crawler belt conveyor of the present utility model;
FIG. 3 is a schematic view of the track groove and track transport mechanism of the present utility model;
FIG. 4 is a schematic view of a spacing device according to the present utility model;
FIG. 5 is a schematic side view of the utility model in use in shield tunnel construction;
FIG. 6 is a schematic front view of the utility model applied in shield tunnel construction;
in the figure: 1. the device comprises a supporting frame, 2, a crawler transmission mechanism, 21, a shell, 22, a crawler driving wheel, 23, a crawler driven wheel, 24, a crawler transmission surface, 3, a guide rail groove, 4, an adjusting screw, 5, a reverse thread, 6, a sliding block, 7, a hand rocker, 8, a limiting device, 81, a vertical rod, 82, a cross rod, 83, a roller, 9, a trolley, 10, a box culvert, 11, an inverted arch, 12, a transportation lane, 13, a crane for cable coiling, 14 and a wire coil frame
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the description of the utility model, it should be understood that the terms "front," "rear," "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. The utility model will be further described with reference to the drawings and examples.
In order to facilitate cable handling, the embodiment discloses a large-diameter shield tunnel cable laying device, which mainly comprises a wire stretcher, a wire coil rack 14 and a limiting device 8. The wire stretcher is used for being installed on a top platform of a trolley, and as shown in fig. 1, the wire stretcher mainly comprises a support frame 1, two crawler belt transmission mechanisms 2 and a guide rail groove 3, wherein the support frame 1 is a square frame.
As shown in fig. 2, the track transmission mechanism 2 comprises a casing 21, a track driving wheel 22, a track driven wheel 23, a track and a driving motor, wherein the casing 21 is of a cuboid empty shell structure, the track driving wheel 22 and the track driven wheel 23 are respectively connected with the front end and the rear end in the casing 21 through transmission shafts which are vertically distributed in a rotating mode, the track is assembled on the track driving wheel 22 and the track driven wheel 23, so that a track transmission surface 24 is vertically distributed, an opening exposing the track transmission surface 24 is formed in the side face of the casing 21, the driving motor is fixedly arranged at the bottom of the front end of the casing 21 and is in transmission connection with the track driving wheel 22, and the power of the driving motor is 4kW and the average speed is 12.8m/min. The two crawler belt conveying mechanisms 2 are symmetrically distributed on the top of the supporting frame 1, and the crawler belt conveying surfaces 24 of the two crawler belt conveying mechanisms 2 form a clamping interval for clamping cables.
As shown in fig. 3, the guide rail groove 3 is welded in the support frame 1 in a manner of being distributed left and right transversely, the adjusting screw 4 is installed in the guide rail groove 3 along the length direction of the guide rail groove in a rotating mode, one end of the adjusting screw 4 extends to the outside of the support frame 1 and is fixed with the hand crank 7, and the design is that the adjusting screw 4 is controlled to rotate conveniently through the hand crank 7. Two sections of reverse threads 5 which are distributed in a bilateral symmetry manner are processed on the adjusting screw 4, the two sections of reverse threads 5 are respectively connected with a sliding block 6 in a threaded mode, the sliding blocks 6 are matched in the guide rail groove 3 to slide in a bilateral mode, and the tops of the two sliding blocks 6 are respectively connected with the bottoms of the shells 21 of the two crawler belt conveying mechanisms 2 in a corresponding and fixed mode through connecting bolts. So designed, the gap between the two crawler belt conveying mechanisms 2 is controlled by the hand rocker 7, so that the clamping distance formed by the crawler belt conveying surfaces 24 is adjusted.
As shown in fig. 4 and 5, the wire coil rack 14 is placed at the edge of the box culvert at the rear of the trolley wire stacking platform for assembling the coiled wire. The number of the limiting devices 8 is three, wherein two limiting devices 8 are respectively vertically fixed on the front side and the rear side of the wire stretcher, and the third limiting device 8 is arranged at the edge of the platform at the top of the trolley. Each limiting device 8 comprises two upright posts 81, two transverse rods 82 which are distributed up and down are welded between the two upright posts 81, the transverse rods 82 positioned below are sleeved with rollers 83, and the two transverse rods 82 form rectangular holes for allowing cables to pass through. When the cable passes through the rectangular hole, the cable can be supported, and friction between the cable and the trolley is avoided.
The cable laying method by adopting the large-diameter shield tunnel cable laying device provided by the utility model comprises the following steps:
as shown in fig. 6, a wire stretcher, a wire coil rack and a limiting device 8 are prepared, the wire stretcher is fixed on a trolley top platform of a trolley 9, two limiting devices 8 are respectively arranged on the front side and the rear side of the wire stretcher, one limiting device 8 is arranged on the edge of the trolley top platform, and friction between a cable and the trolley is prevented. The trolley 9 walks on the two side-leaning arch blocks 11 of the box culvert 10, the top surface of the box culvert 10 is a transportation lane 12, and various materials are transported. The wire coil frame is placed at the edge position of a box culvert at the rear part of the trolley cable stacking platform, a cable is wound on a transport vehicle and is lifted by a crane 13, the cable is installed on the wire coil frame, an anti-slip hanging strip is installed at a position which is 2m away from a cable end, the cable end is lifted to the top 8 of the trolley by the crane 13 at the tail of the trolley, the cable end firstly passes through a limiting device 8 at the edge of the top of the trolley, then the cable end is placed in a clamping interval formed by two crawler transmission surfaces 24 through the limiting device 8 at the front side of the cable-stayer, the two crawler transmission surfaces 24 clamp the cable through a crank, a driving motor switch of the cable-stayer is opened after the anti-slip hanging strip is taken off, when the crawler transmission mechanism 2 operates, the cable is conveyed from the wire coil frame to the trolley platform, and is stacked by manual assistance, and the cable is synchronously laid on the side wall of a tunnel when tunneling is performed by a shield.
The cable lifting device mainly relies on the wire stretcher to assist in carrying the cable, so that the long cable required by the shield tunnel can be lifted to the corresponding position quickly, and the construction efficiency is improved and the labor force is reduced by manual auxiliary laying.
Claims (7)
1. A large-diameter shield tunnel cable laying device is characterized by comprising,
the wire stretcher is arranged on a top platform of the trolley and comprises a support frame, wherein the top surface of the support frame is provided with two crawler belt transmission mechanisms which are symmetrically distributed left and right and can adjust the distance, the crawler belt transmission surfaces of the two crawler belt transmission mechanisms are vertically distributed, and the crawler belt transmission surfaces of the two crawler belt transmission mechanisms are used for clamping the cable at the clamping distance;
the wire coil rack is placed at the edge position of the box culvert at the rear part of the trolley cable stacking platform.
2. The large-diameter shield tunnel cable laying device according to claim 1, wherein the track transmission mechanism comprises a shell, a track driving wheel, a track driven wheel, a track and a driving motor, the shell is of a cuboid empty shell structure, the track driving wheel and the track driven wheel are respectively connected with the front end and the rear end in the shell in a rotating mode, the track is assembled on the track driving wheel and the track driven wheel, and an opening exposing the track transmission surface is formed in the side face of the shell;
the driving motor is arranged at the bottom of the front end of the shell and is connected with the crawler driving wheel.
3. The large-diameter shield tunnel cable laying device according to claim 2, wherein guide rail grooves which are transversely distributed left and right are arranged in the support frame, an adjusting screw is installed in the guide rail grooves along the length direction of the guide rail grooves in a rotating mode, two sections of reverse threads are arranged on the adjusting screw, one sliding block is connected to the two sections of reverse threads in a threaded mode respectively, the sliding blocks are matched in the guide rail grooves to slide left and right, and the tops of the two sliding blocks are fixedly connected to the bottoms of the shells of the two crawler belt conveying mechanisms respectively in a corresponding mode.
4. A large diameter shield tunnel cable laying apparatus according to claim 3, wherein one end of the adjusting screw extends to the outside of the supporting frame and a hand rocker is fixed thereto.
5. The large-diameter shield tunnel cable laying device according to claim 1, further comprising a limiting device, wherein the limiting device comprises two upright posts, two cross bars distributed up and down are connected between the two upright posts, the cross bars located below are sleeved with rollers, and the two cross bars form rectangular holes allowing cables to pass through.
6. The large-diameter shield tunnel cable laying device according to claim 5, wherein the number of the limiting devices is two, and the limiting devices are vertically fixed on the front side and the rear side of the wire stretcher respectively.
7. The large diameter shield tunnel cable laying apparatus according to any one of claims 2 to 4, wherein the power of the driving motor is 4 to 5KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081245.6U CN219123819U (en) | 2023-01-13 | 2023-01-13 | Major diameter shield tunnel cable laying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081245.6U CN219123819U (en) | 2023-01-13 | 2023-01-13 | Major diameter shield tunnel cable laying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219123819U true CN219123819U (en) | 2023-06-02 |
Family
ID=86529001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081245.6U Active CN219123819U (en) | 2023-01-13 | 2023-01-13 | Major diameter shield tunnel cable laying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219123819U (en) |
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2023
- 2023-01-13 CN CN202320081245.6U patent/CN219123819U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231205 Address after: 250101 A building, 2666 iron tower, 2666 Austrian West Road, Lixia District, Ji'nan, Shandong Patentee after: CHINA RAILWAY SHISIJU Group Corp. Patentee after: CHINA RAILWAY 14TH BUREAU GROUP SHIELD ENGINEERING Co.,Ltd. Address before: No. 120, Xinpu Road, Jiangpu street, Pukou District, Nanjing City, Jiangsu Province Patentee before: CHINA RAILWAY 14TH BUREAU GROUP SHIELD ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |