CN113622939A - Conveyer and tunnel boring machine for tunnel - Google Patents
Conveyer and tunnel boring machine for tunnel Download PDFInfo
- Publication number
- CN113622939A CN113622939A CN202111015292.2A CN202111015292A CN113622939A CN 113622939 A CN113622939 A CN 113622939A CN 202111015292 A CN202111015292 A CN 202111015292A CN 113622939 A CN113622939 A CN 113622939A
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- tunnel
- arm
- telescopic
- mounting plate
- boring machine
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- 239000000463 material Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 16
- 239000003921 oil Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
- E21D9/128—Loader-conveyors with gathering arms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a tunnel transportation device and a tunnel boring machine in the technical field of tunnel transportation devices, wherein the tunnel transportation device comprises a supporting seat, and a sliding rail is arranged on the supporting seat; the sliding frame assembly comprises a mounting plate, and the mounting plate is connected with the sliding rail in a sliding manner; and the manipulator is arranged on the mounting plate and used for grabbing the material to be transported and transporting the material to a specified position through the sliding frame assembly. The transportation device for the tunnel improves the transportation efficiency of the supporting materials, reduces the labor intensity of workers and improves the safety of the construction process.
Description
Technical Field
The invention belongs to the technical field of transportation devices for tunnels, and particularly relates to a transportation device for a tunnel and a tunnel boring machine.
Background
The existing roadway construction mainly comprises a drilling and blasting method and a cantilever type tunnel boring machine construction method, wherein the drilling and blasting method has heavy pollution to the environment and uncertain factors in the aspect of safety exist, so the construction method is gradually replaced by a mechanical method construction method, the mechanical method construction mainly comprises the construction of a drill jumbo, a shield method and a tunnel boring machine, the shield method is suitable for long-distance construction due to high construction cost, the drill jumbo is mainly used for drilling, and blasting needs to be carried out by explosive, so the cantilever type tunnel boring machine is mainly used for the construction of a short and small roadway with special working conditions by the pure mechanical method, and the construction of the tunnel boring machine is a selection of a different method particularly for a hard working condition. The method comprises the following steps that a pure cantilever type tunnel boring machine needs to be withdrawn after excavation is finished in the tunnel excavation process, support operation is carried out by switching to support equipment, and certain potential safety hazards exist in the process of withdrawing the machine and entering the support equipment of the boring machine aiming at a construction site with poor surrounding rock grade; in the construction process, tunnel surrounding rocks need to be supported in time so as to stabilize the excavated rock mass. At this time, a large amount of supporting materials such as steel arch frames need to be transported to the working surface of the tunnel to complete supporting. At present, no matter a single-line tunnel or a double-line tunnel, most of space of the tunnel is occupied when a tunnel boring machine works, space on two sides of the tunnel is limited, and other transportation equipment cannot be used, so that an arch material is transported mainly in a manual transportation mode at present, and an arch is continuously transported to a tunnel face of the tunnel from the tail part of the tunnel boring machine to support and use a tunnel working face. The prior art has the following three disadvantages: firstly, the efficiency is low, the arch center needs to be carried by two workers, and the operation can be carried out only by stopping the front operation; secondly, the danger coefficient is high, the front working plane in the tunnel often falls rocks, workers carry the rocks repeatedly frequently, and danger is difficult to escape; thirdly, the continuous operation cannot be carried out, excavation is carried out firstly, and then the arch frame is transported to the front, so that the supporting operation can be started, and the working time is wasted.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the transporting device for the tunnel and the tunnel boring machine, which improve the transporting efficiency of the supporting materials, reduce the labor intensity of workers and improve the safety of the construction process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, a transportation device for a tunnel is provided, including: the supporting seat is provided with a sliding rail; the sliding frame assembly comprises a mounting plate, and the mounting plate is connected with the sliding rail in a sliding manner; and the manipulator is arranged on the mounting plate and used for grabbing the material to be transported and transporting the material to a specified position through the sliding frame assembly.
Further, the slide rail is a rack, a driving mechanism is installed on the installation plate, a gear is installed on an output shaft of the driving mechanism, and the gear is meshed with the rack.
Further, the driving mechanism comprises a motor and a speed reducer, an output shaft of the motor is in transmission connection with an input shaft of the speed reducer, and the gear is installed on the output shaft of the speed reducer.
Furthermore, the supporting seat is of a box-shaped structure formed by welding a plurality of steel plates, and a guide plate is arranged on the supporting seat.
Further, the carriage assembly further comprises an installation block fixedly connected with the installation plate, a nylon sliding block is installed on the installation block through a sliding block pressing plate, and the nylon sliding block is connected with the guide plate in a sliding mode.
Furthermore, the manipulator comprises a support arm, a telescopic arm and a variable amplitude oil cylinder, wherein the telescopic arm is hinged with the support arm, and the support arm is arranged on the mounting plate through a base; and the telescopic rod of the variable amplitude oil cylinder is hinged with the telescopic arm, and the telescopic cylinder of the variable amplitude oil cylinder is hinged with the support arm.
Further, a slewing bearing is mounted between the support arm and the base.
Furthermore, the telescopic arm comprises a telescopic oil cylinder, a static arm and a movable arm, a telescopic rod of the telescopic oil cylinder is hinged with the movable arm, and a telescopic cylinder of the telescopic oil cylinder is hinged with the static arm; the movable arm is provided with a pulley, the static arm is provided with a winch, one end of a steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley to be connected with the lifting hook.
Further, a mud scraper is mounted on the carriage assembly.
In a second aspect, a tunnel boring machine is provided, wherein the transporting device for tunnel of the first aspect is mounted on the tunnel boring machine, and the support seat is mounted on one side of the tunnel boring machine.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the slide rail is arranged on the supporting seat, the slide frame assembly is connected with the slide rail in a sliding manner through the mounting plate, the manipulator is arranged on the mounting plate to realize the purposes of grabbing materials to be transported and transporting the materials to a specified position through the slide frame assembly, arch frame transportation and front-end supporting work do not conflict, operation can be carried out simultaneously, the waiting time is shortened, and the efficiency of supporting material transportation is improved;
(2) by adopting mechanical carrying, the number of workers involved in carrying is reduced, and the labor intensity of the workers is reduced;
(3) the invention reduces the danger of workers, improves the working environment and improves the safety of the construction process by adopting mechanical transportation.
Drawings
Fig. 1 is a schematic plan view of a transportation device for tunnel according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic view of the structure of the carriage in fig. 1;
fig. 4 is a schematic three-dimensional structure diagram of a transportation device for a tunnel according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1 to 4, a transportation device for a tunnel includes: the supporting seat 1 is provided with a sliding rail 2; the carriage assembly 5 comprises a mounting plate 502, and the mounting plate 502 is connected with the slide rail 2 in a sliding manner; the robot is mounted on the mounting plate 502 for grasping the material to be transported and transporting it to a designated location via the carriage assembly 5. In this embodiment, the material to be transported includes supporting materials such as an arch frame and other working materials and equipment required in the working process of the heading machine.
In this embodiment, the carriage assembly 5 further includes a mounting block 501 fixedly connected to the mounting plate 502, and the nylon slider 6 is mounted on the mounting block 501 through the slider pressing plate 8. The slide rail 2 is in a rack form and is fixed on the upper plane of the support seat 1 by screws, a driving mechanism is installed on the installation plate 502, a gear 401 is installed on an output shaft of the driving mechanism, and the gear 401 is meshed with the rack. In this embodiment, the driving mechanism may adopt a motor and a speed reducer 4 to cooperate with the driving gear 401, so as to realize relative sliding between the carriage assembly and the slide rail 2, an output shaft of the motor is in transmission connection with an input shaft of the speed reducer 401, the speed reducer 4 is installed on the installation plate 502, and the gear 401 is installed on an output shaft of the speed reducer 4. In this embodiment, the speed reducer 4 can be hydraulically driven to realize that the carriage assembly 5 moves back and forth along the slide rail 2.
In the working process of the conveying device in the embodiment, conveyed materials and the dead weight of a manipulator act on the supporting seat 1 through the sliding frame assembly 5, and the whole sliding distance is about 6m, so that the supporting seat 1 is designed into a box-shaped structure to ensure that the supporting seat 1 has enough rigidity, and deformation and influence on sliding transportation are prevented; the supporting seat 1 is of a box-shaped structure formed by welding a plurality of steel plates, a guide plate 11 is arranged on the supporting seat 1, a nylon sliding block 6 is connected with the guide plate 11 in a sliding mode, and the nylon sliding block 6 is matched with the guide plate 11, so that on one hand, the sliding of the sliding frame component along the sliding rail 2 can be guaranteed, and the deviation can be prevented; on the other hand, the gear and the rack can be well meshed, and the driving mechanism is guaranteed to have good driving force on the sliding frame assembly all the time.
The sliding frame assembly 5 is provided with a mud scraper 7, and the mud scraper 7 is used for removing foreign matters on the sliding rails 2 in the movement process, so that the arch center can be transported from the tail part of the tunneling machine to the front end position of the tunneling machine.
The manipulator comprises a support arm 306, a telescopic arm 307 and a luffing cylinder 308, wherein the telescopic arm 307 is hinged with the support arm 306, and the support arm 306 is installed on the installation plate 502 through a base 301; the telescopic rod of the luffing cylinder 308 is hinged with the telescopic boom 307, the telescopic cylinder of the luffing cylinder 308 is hinged with the support arm 306, and the luffing cylinder 308 is used for changing the pitch angle of the telescopic boom 307. A slewing bearing 302 is arranged between the supporting arm 306 and the base 301, and the slewing bearing 302 can enable the manipulator to realize slewing and realize multidirectional grabbing and hoisting operation.
The telescopic arm 307 comprises a telescopic oil cylinder 305, a fixed arm and a movable arm, a telescopic rod of the telescopic oil cylinder 305 is hinged to the movable arm, a telescopic cylinder of the telescopic oil cylinder 305 is hinged to the fixed arm, the telescopic oil cylinder 305 is used for changing the length of the telescopic arm 307, when a telescopic rod of the telescopic oil cylinder 305 extends out of the telescopic cylinder, the movable arm extends out of the fixed arm, otherwise, the movable arm is retracted into the fixed arm, the telescopic oil cylinder 305 achieves grabbing operation of the manipulator within the range of minimum 1.9m and maximum 5.5m, a pulley is installed on the movable arm, a winch 304 is installed on the fixed arm, one end of a steel wire rope is wound on the winch 304, and the other end of the steel wire rope penetrates through the pulley to be connected with the lifting hook 303. When the arch centering device works, a remote operator operates the telescopic oil cylinder 305 to stretch and retract and the supporting arm 306 to rotate by judging, the arch centering placing position is reached, the operating handle enables the winch 304 to put down the steel wire rope, an on-ground worker grasps the lifting hook 303 to hook the arch centering, the remote operator operates the handle to retract the steel wire rope, the supporting arm 306 rotates by a certain angle to ensure that the arch centering is parallel to the heading machine, then the remote control handle is operated, the supporting arm 306 moves along the sliding rail 2 under the driving of the driving mechanism, the grasped arch centering is transported to the position near the arch centering clamping arm from the rear part of the heading machine, the subsequent arch centering clamping arm is controlled to rotate and adjust the posture, and the arch centering is grasped, so that the arch centering transportation operation of the arch centering transportation system is completed.
In the embodiment, the slide rail is arranged on the supporting seat, the slide frame assembly is connected with the slide rail in a sliding manner through the mounting plate, the manipulator is arranged on the mounting plate to achieve the purposes of grabbing materials to be transported and transporting the materials to the designated position through the slide frame assembly, arch frame transportation and supporting work at the front end do not conflict, operation can be carried out simultaneously, waiting time is shortened, and the efficiency of supporting material transportation is improved; by adopting mechanical carrying, the number of workers involved in carrying is reduced, and the labor intensity of the workers is reduced; by adopting mechanical carrying, the danger of workers is reduced, the working environment is improved, and the safety of the construction process is improved.
Example two:
based on the first embodiment of the transportation device for the tunnel, the embodiment provides a tunnel boring machine, the first embodiment of the transportation device for the tunnel is installed on the tunnel boring machine, the supporting seat is installed on one side of the tunnel boring machine 10, the tunnel boring machine 10 is further provided with a transportation drag chain 9, a cable, a hydraulic oil pipeline and the like are laid in the transportation drag chain 9, and the transportation drag chain is used for providing power, signal transmission and the like for the transportation device for the tunnel in work.
According to the embodiment, the remote controller is used for remotely controlling workers at a relatively safe position, so that the arch center transportation is realized. The conveyer for the tunnel on the tunnel boring machine in this embodiment slides the transportation and 360 rotations, stretches department, withdrawal actions around through the manipulator, increases the operating range of bow member manipulator, guarantees that bow member manipulator can catch rear many places bow member, need not artifical transport, improves work efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A transportation device for tunnels is characterized by comprising:
the supporting seat is provided with a sliding rail;
the sliding frame assembly comprises a mounting plate, and the mounting plate is connected with the sliding rail in a sliding manner;
and the manipulator is arranged on the mounting plate and used for grabbing the material to be transported and transporting the material to a specified position through the sliding frame assembly.
2. The transport device for the tunnel according to claim 1, wherein the slide rail is a rack, the mounting plate is provided with a driving mechanism, an output shaft of the driving mechanism is provided with a gear, and the gear is engaged with the rack.
3. The transport apparatus for tunnel according to claim 2, wherein the driving mechanism comprises a motor and a speed reducer, an output shaft of the motor is in transmission connection with an input shaft of the speed reducer, and the gear is mounted on the output shaft of the speed reducer.
4. The tunnel conveyor according to claim 1, wherein the support frame is welded to a box-shaped structure by a plurality of steel plates, and the support frame is provided with a guide plate.
5. The tunneling conveyor of claim 4, wherein said carriage assembly further comprises a mounting block fixedly attached to said mounting plate, a nylon slide block mounted to said mounting block by a slide clamp, said nylon slide block slidably attached to said guide plate.
6. The transportation device for the tunnel according to claim 1, wherein the manipulator comprises a support arm, a telescopic arm and a luffing cylinder, the telescopic arm is hinged with the support arm, and the support arm is mounted on the mounting plate through a base; and the telescopic rod of the variable amplitude oil cylinder is hinged with the telescopic arm, and the telescopic cylinder of the variable amplitude oil cylinder is hinged with the support arm.
7. The tunnel transport apparatus of claim 6, wherein a pivot bearing is mounted between the support arm and the base.
8. The transportation device for the tunnel according to claim 6, wherein the telescopic arm comprises a telescopic oil cylinder, a static arm and a movable arm, a telescopic rod of the telescopic oil cylinder is hinged with the movable arm, and a telescopic cylinder of the telescopic oil cylinder is hinged with the static arm; the movable arm is provided with a pulley, the static arm is provided with a winch, one end of a steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley to be connected with the lifting hook.
9. The tunneling conveyor of claim 1, wherein said carriage assembly has a wiper mounted thereon.
10. A tunnel boring machine, wherein the transport device for a tunnel according to any one of claims 1 to 9 is mounted on the tunnel boring machine, and the support base is mounted on one side of the tunnel boring machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015292.2A CN113622939A (en) | 2021-08-31 | 2021-08-31 | Conveyer and tunnel boring machine for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015292.2A CN113622939A (en) | 2021-08-31 | 2021-08-31 | Conveyer and tunnel boring machine for tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN113622939A true CN113622939A (en) | 2021-11-09 |
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| CN202111015292.2A Pending CN113622939A (en) | 2021-08-31 | 2021-08-31 | Conveyer and tunnel boring machine for tunnel |
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