CN215927398U - Screw rod construction device for tunnel - Google Patents
Screw rod construction device for tunnel Download PDFInfo
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- CN215927398U CN215927398U CN202121577921.6U CN202121577921U CN215927398U CN 215927398 U CN215927398 U CN 215927398U CN 202121577921 U CN202121577921 U CN 202121577921U CN 215927398 U CN215927398 U CN 215927398U
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- screw
- tunnel
- screw rod
- rack
- grooving
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Abstract
The utility model relates to a screw rod construction device for a tunnel, which comprises a frame, a front end grooving device and a rear end device, wherein the front end grooving device is positioned at the front end of the frame and comprises a plurality of screw rods and a driving device, the driving device of the front end grooving device is arranged at two end parts of the frame, the frame comprises a profiling cover of which the screw rods deviate from the excavating direction, the profiling cover part is wrapped with the screw rods, the two ends of the tunnel are provided with working wells, the screw rod construction device comprises two sets of traction devices and filling devices which are respectively positioned in the two working wells, two ends of the frame are respectively connected with the traction devices in the two working wells, the screw rod construction device excavates the concrete through the screw rods of the front end grooving device, the rear end device injects the concrete and provides forward propelling power, and the screw rod construction device is guided to move according to a set profile through the two sets of rock soil traction devices in the two working wells, and finishing the construction of the tunnel contour.
Description
Technical Field
The utility model relates to construction equipment of a tunnel, in particular to a screw rod construction device for the tunnel.
Background
The existing tunnel construction methods comprise a plurality of traditional mine methods, tunnel excavator methods, shield methods and open cut methods, and mainly aim at the underground cut method, the drilling and blasting method, the tunneling method, the shield method and the like which are full-face excavation, wherein the drilling and blasting method needs supporting and precipitation, and the shield method and the pipe jacking method use excavating equipment to achieve full-face excavation with low efficiency.
For the tunnel passing through a road or a railway, the traffic can not be blocked, meanwhile, the length of the tunnel is not too long, the two ends of the tunnel are provided with the conditions of arranging working wells, the screw construction device is adopted to excavate and pour the tunnel profile, and the poured tunnel profile can be used as a temporary support and can also be used as a permanent building; after the contour construction is finished, the rock soil in the middle of the contour is excavated by adopting the traditional excavating equipment, the efficiency is high, and the equipment is safe and reliable.
Disclosure of Invention
The utility model aims to provide a screw rod construction device for a tunnel, which can be used for grooving the front rock and soil by a front end grooving device of the screw rod construction device, the rear end device can be used for injecting concrete and providing forward propulsion power, a frame of the screw rod construction device is guided to move according to a set contour by two sets of traction devices in two working wells, a screw rod of the front end grooving device forms an excavating surface, and the excavated rock and soil are conveyed to the two ends of the screw rod into the working wells through screw threads to complete the construction of the tunnel contour.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the screw rod construction device for the tunnel comprises a rack, a front end grooving device and a rear end device, wherein the front end grooving device is positioned at the front end of the rack and comprises two or a plurality of screw rods and a driving device, the driving device of the front end grooving device is installed on two end parts of the rack, the rack comprises a profiling cover with the screw rods deviating from the excavating direction, the profiling cover part wraps the screw rods, the profiling cover is open along the excavating direction, the screw rod construction device runs along the direction vertical to the axis of the screw rods through the counter force generated by the backward action of the rear end device, the driving device enables the screw rods to rotate, and excavated rock soil is conveyed to one end or two ends of the screw rods through screw threads; working wells are arranged at two ends of the tunnel, the screw construction device comprises two sets of traction devices and a filling device which are respectively positioned in the two working wells, and two ends of the rack are respectively connected with the traction devices in the two working wells; the traction devices in the working wells at the two ends simultaneously drive the rack to move according to the set contour line track of the tunnel, the rack drives the excavating device at the front end to move according to the same track, the driving device drives the screw rod to work, the screw rod cuts the front end rock soil, and the rotating screw rod brings the excavated rock soil into the working wells; the rear part of the frame is provided with a rear end device, the rear end device comprises a nozzle of tail concrete, the space formed by the cutting groove of the front end grooving device is filled with the concrete poured by the nozzle, and the reaction force generated by the concrete sprayed backwards by the nozzle enables the frame to run along the excavating direction of the front end grooving device.
Preferably, in the screw rod working device, the traction device includes a rotation interface, a horizontal movement device and a vertical movement device interface, the rotation interface is connected with the end of the frame, the frame rotates in the vertical direction, the excavation direction of the front end grooving device is adjusted, the rotation interface is positioned on the horizontal movement device, the horizontal movement device is positioned on the vertical movement device, the vertical movement device vertically moves up and down along a fixed upright post in the working well, and the horizontal movement device horizontally moves on a cross beam of the vertical movement device.
Preferably, in the screw rod executing device, the front end grooving device comprises more than two screw rods, and the screw teeth of the adjacent screw rods are embedded with each other.
Preferably, in the screw rod applying device, the rear end device comprises a steel bar arranging device, so that steel bars are contained in the poured concrete.
Preferably, in the screw rod construction device, the inner surface of the profiling cover is used for supporting the screw rod during rock excavation.
Preferably, the tunnel is square, circular or oval.
According to the screw construction device, rock soil is excavated through the screws of the front end grooving device, the rear end device injects concrete and provides forward propelling power, and the screw construction device is guided to move according to a set profile through the two sets of traction devices in the two working wells, so that the construction of the tunnel profile is completed.
Drawings
Fig. 1 is a schematic structural view of a screw construction device 2;
FIG. 2 is a schematic structural diagram of a traction device 6 in a working well with two ends driving a frame 3 to move according to a set track;
fig. 3 is a schematic view showing a structure in which the frame 3 is operated in the excavating direction of the front-end grooving apparatus 4 by a reaction force generated by the nozzle 51 of the rear-end apparatus 5 ejecting concrete rearward;
FIG. 4 is a view A-A of FIG. 3;
FIG. 5 is an enlarged partial view of section I of FIG. 4;
fig. 6 is a schematic structural diagram of a tunnel 1 which is long-strip-shaped, and the bottom and the top of the tunnel are oval, and is also a schematic structural diagram of a screw construction device 2 which excavates rock soil to pour the outline of the tunnel 1 and then hollows out the middle rock soil, and the tunnel 1 which is constructed by cutting grooves by the screw construction device 2 can be various special-shaped sections.
Detailed Description
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, a screw construction device 2 for a tunnel 1 includes a frame 3, a front end grooving device 4 and a rear end device 5, the front end grooving device 4 is located at the front end of the frame 3 and includes two or more screws 41 and a driving device 42, the driving device 42 of the front end grooving device 4 is installed on both ends of the frame 3, the frame 3 includes a profile cover 31 in which the screws 41 deviate from an excavating direction, the profile cover 31 partially wraps the screws 41, the profile cover 31 is open in the excavating direction, the screw construction device 2 is operated in a direction perpendicular to the axes of the screws by a reaction force generated by the backward action of the rear end device 5, the driving device 42 rotates the screws 41, and excavated rock soil is conveyed to one end or both ends of the screws 41 by a screw thread; working wells are arranged at two ends of the tunnel 1, the screw construction device 2 comprises two sets of traction devices 6 and filling devices which are respectively positioned in the two working wells, and two ends of the rack 3 are respectively connected with the traction devices 6 in the two working wells; the traction devices 6 in the working wells at the two ends simultaneously drive the rack 3 to move according to the set contour line track of the tunnel 1, the rack 3 drives the front end grooving device 4 at the front end to move according to the same track, the driving device 42 drives the screw rod 41 to work, the screw rod 41 grooving the rock soil at the front end, and the rotating screw rod 41 brings the excavated rock soil into the working wells; the rear part of the frame 3 is provided with a rear end device 5, the rear end device 5 comprises a nozzle 51 of tail concrete, the concrete poured by the nozzle 51 is filled in a space formed by the cutting of the front end grooving device 4, and the reaction force generated by the concrete sprayed backwards by the nozzle 51 enables the frame 3 to run along the excavating direction of the front end grooving device 4; the traction device 6 comprises a rotary interface 61, a horizontal moving device 62 and a vertical moving device 63, wherein the interface 61 is connected with the end part of the frame 3 to enable the frame 3 to rotate in the vertical direction, the excavation direction of the front end grooving device 4 is adjusted, the rotary interface 61 is positioned on the horizontal moving device 62, the horizontal moving device 62 is positioned on the vertical moving device 63, the vertical moving device 63 vertically moves up and down along a fixed upright post in a working well, and the horizontal moving device 62 horizontally moves on a cross beam of the vertical moving device 63.
As shown in fig. 5, the front-end grooving device 4 comprises two screw rods 41, the screw teeth of the adjacent screw rods 41 are embedded into each other, according to the wall thickness of the tunnel, more than two screw rods 41 can be adopted by the front-end grooving device 4, the screw teeth of the adjacent screw rods 41 are opposite in rotation direction, the mutually meshed screw teeth shear rock soil, and simultaneously, a rock soil conveyor is formed under the wrapping of the profiling cover 31 to convey excavated rock soil into working wells at two ends.
In order to increase the strength of the tunnel 1, reinforcing steel bars need to be penetrated into the injected concrete, so a reinforcing steel bar arrangement device 52 is further arranged at the rear end device, the reinforcing steel bar arrangement device 52 is firstly brought into the channel in the frame 3 by using a chain or a steel wire rope through the channel in the frame 3, when the frame 3 moves forwards, the reinforcing steel bars are left in the concrete behind the frame 3, the reinforcing steel bar arrangement device 52 enables the poured concrete to contain the reinforcing steel bars, and the contour of the poured tunnel 1 can be used as a supporting structure to be reinforced inside the tunnel 1 when the inner rock soil is excavated.
As shown in fig. 5, the inner surface of the contour cover 31 is supported by the screw 41 when excavating earth.
As shown in fig. 6, the tunnel is square, circular or oval.
The steps of cast-in-place construction by adopting the screw construction device 2 are as follows:
1) leveling the land and digging working wells at two ends;
2) building an operation platform in the working wells at the two ends;
3) punching and installing a screw construction device;
4) starting the driving device 41, excavating the rock soil by the front end grooving device 4, and conveying the rock soil into the working well;
5) starting the concrete pouring device, and spraying concrete backwards through the nozzle 51;
6) the traction device 6 drives the front end grooving device 4 to perform grooving operation along the contour line of the section of the tunnel 1 through the rack 3;
7) after the sealing is formed, the screw construction device 2 is dismantled, and the concrete poured in the rock soil is the section of the tunnel 1;
8) and excavating rock soil in the tunnel 1.
Claims (5)
1. A screw rod construction device for a tunnel is characterized in that a screw rod construction device (2) for the tunnel (1) comprises a rack (3), a front end grooving device (4) and a rear end device (5), the front end grooving device (4) is positioned at the front end of the rack (3) and comprises two or a plurality of screw rods (41) and a driving device (42), the driving device (42) of the front end grooving device (4) is installed on two end parts of the rack (3), the rack (3) comprises a profiling cover (31) of each screw rod (41) deviating from the excavating direction, the screw rods (41) are partially wrapped by the profiling cover (31), the profiling cover (31) is open along the excavating direction, the screw construction device (2) is driven to move along the direction vertical to the axis of the screw by the counter force generated by the backward action of the rear end device (5), the driving device (42) enables the screw rod (41) to rotate, and excavated rock soil is conveyed to one end or two ends of the screw rod (41) through the screw threads; working wells are arranged at two ends of the tunnel (1), the screw construction device (2) comprises two sets of traction devices (6) and a filling device (7) which are respectively positioned in the two working wells, and two ends of the rack (3) are respectively connected with the traction devices (6) in the two working wells; the traction devices (6) in the working wells at two ends simultaneously drive the rack (3) to move according to the set contour line track of the tunnel (1), the rack (3) drives the front end grooving device (4) at the front end to move according to the same track, the driving device (42) drives the screw rod (41) to work, the screw rod (41) performs grooving on the rock soil at the front end, and the rotating screw rod (41) brings the excavated rock soil into the working wells; the rear end device (5) is arranged at the rear part of the rack (3), the rear end device (5) comprises a nozzle (51) of tail concrete, the concrete poured into the nozzle (51) is filled in a space formed by grooving of the front end grooving device (4), and the reaction force generated by spraying the concrete backwards from the nozzle (51) enables the rack (3) to run along the excavating direction of the front end grooving device (4).
2. A screw construction device for tunnel according to claim 1, wherein said drawing means (6) comprises a rotary joint (61), a horizontal moving means (62) and a vertical moving means (63), the joint (61) is connected with the end of the frame (3) to make the frame (3) rotate in the vertical direction to adjust the excavating direction of the front end grooving apparatus (4), the rotary joint (61) is located on the horizontal moving means (62), the horizontal moving means (62) is located on the vertical moving means (63), the vertical moving means (63) vertically moves up and down along the fixed upright in the working well, and the horizontal moving means (62) horizontally moves on the beam of the vertical moving means (63).
3. A screw construction device for tunnel according to claim 2, wherein said rear end means (5) comprises reinforcement arranging means (52) for arranging reinforcement in the poured concrete.
4. A screw construction device for tunnel according to claim 3, wherein said inner surface of said profile cover (31) is a support for said screw (41) when excavating soil.
5. A screw construction device for tunnel according to claim 4, wherein said tunnel is square, circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577921.6U CN215927398U (en) | 2021-07-12 | 2021-07-12 | Screw rod construction device for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577921.6U CN215927398U (en) | 2021-07-12 | 2021-07-12 | Screw rod construction device for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927398U true CN215927398U (en) | 2022-03-01 |
Family
ID=80400198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121577921.6U Active CN215927398U (en) | 2021-07-12 | 2021-07-12 | Screw rod construction device for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927398U (en) |
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2021
- 2021-07-12 CN CN202121577921.6U patent/CN215927398U/en active Active
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