CN211397435U - Construction machine for slurry-solidified gravel pile in tunnel - Google Patents
Construction machine for slurry-solidified gravel pile in tunnel Download PDFInfo
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- CN211397435U CN211397435U CN201921332911.9U CN201921332911U CN211397435U CN 211397435 U CN211397435 U CN 211397435U CN 201921332911 U CN201921332911 U CN 201921332911U CN 211397435 U CN211397435 U CN 211397435U
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Abstract
The utility model discloses a solid rubble stake construction machinery of thick liquid in tunnel, including drilling system, slip casting system, walking control room and track system. And the drilling system, the grouting system and the walking control chamber are all arranged on the crawler system. The drilling system comprises a winch, a host, a construction rack, a drill rod and a motor system, wherein the winch is connected with the construction rack, the drill rod is connected onto the construction rack, and a thin-wall steel sleeve is arranged on the outer surface of the drill rod. The grouting system comprises a grouting pressure system, a conveying hose and a slurry storage system. The utility model discloses with drilling construction machinery and slip casting mechanical integration, overcome the difficulty that limit for height and space are not enough in the tunnel, solved among the prior art disposable drilling and the problem of stake difficulty, avoided the slope to the problem of the easy hole of collapsing of stake in-process simultaneously, further improved the ability of shearing of thick liquid solid gravel pile.
Description
Technical Field
The utility model relates to a civil construction engineering field, concretely relates to solid rubble stake construction machinery of thick liquid in tunnel.
Background
In the projects such as bridges, tunnels, roads and the like, the pile foundation is widely applied. At present, discrete material piles such as sand piles and gravel piles are one of the most common pile foundation forms. Because its vertical bearing capacity is lower, have many ways and can improve its rigidity, wherein carry out slip casting solidification to the gravel pile and handle as an effective measure, the pile body after the solidification is the solid gravel pile of thick liquid.
The construction of grouted gravel piles in tunnels is often limited by the height of the tunnel itself. The conventional drilling machine frame generally adopts one-time drilling, and has high requirements on the height occupied by the machine frame. And if the slurry-solidified gravel pile in the tunnel is an inclined pile foundation, the construction process problems of the retaining wall and the connection also need to be considered. Therefore, further optimization and improvement are needed to be provided for the construction method of the slurry-solidified gravel pile in the tunnel by combining the construction machinery.
The construction of the slurry-solidified gravel pile usually requires drilling construction first, then aggregate feeding, and finally a grouting procedure. Due to the space limitation in the tunnel, repeated entering construction of various machines is required, great requirements are put forward for construction space, and the workload is great. Therefore, the improvement of the mechanical process for constructing the slurry-solidified gravel pile with reasonable technology, economy and high efficiency is an urgent need in combination with the actual situation of tunnel engineering construction.
Disclosure of Invention
The utility model aims at providing a solid gravel pile construction machinery of thick liquid in tunnel that has drilling and slip casting function simultaneously reduces construction space and work load to solve among the prior art defect such as multiple machinery is gone into repeatedly, construction space is limited.
For realizing the utility model discloses the technical scheme that the purpose was adopted is such, and the stone pillar construction machinery is consolidated to thick liquid in the tunnel, including drilling system, slip casting system, walking control room and track system.
And the drilling system, the grouting system and the walking control chamber are all arranged on the crawler system.
The drilling system comprises a winch, a host, a construction rack, a drill rod and a motor system. The winch is connected with the construction rack, and the construction rack is connected with the drill rod. And a thin-wall steel sleeve is arranged on the outer surface of the drill rod.
The grouting system comprises a grouting pressure system, a conveying hose and a slurry storage system. And the slurry storage system is connected with the grouting pressure system. The grouting pressure system is connected with a conveying hose.
Furthermore, the construction rack comprises an inclined sliding groove, the upper end of the sliding groove is connected with a hydraulic motor, and a transmission chain is wound between the output end of the hydraulic motor and the lower end of the sliding groove; the transmission chain is provided with a sliding block, and the sliding block is arranged in the sliding groove; the hoist engine is installed on the sliding block, and the drilling rod is connected to the output of hoist engine, and the drilling rod is parallel with the sliding tray.
Furthermore, the drill rod is a sectional type drill rod, and the sectional type drill rod is connected in a sectional mode through male and female buckles.
Further, the track system includes a track and an undercarriage. The upper surface of the chassis is connected with a rotating device. The upper surface of the rotating device is connected with a rectangular bottom plate. And the drilling system, the grouting system and the walking control chamber are all arranged on the upper surface of the rectangular bottom plate.
Furthermore, four corners of the lower surface of the rectangular bottom plate are connected with corner supports with the functions of contraction and opening.
Furthermore, the outer diameter of the thin-wall steel sleeve is 300-600 mm, and the thickness of the thin-wall steel sleeve is 1-5 mm.
The technical effect of the utility model is undoubted, with drilling construction machinery and slip casting mechanical integration, overcome the difficulty that limit for height and space are not enough in the tunnel, solved among the prior art disposable drilling and become the problem in stake difficulty, avoided the slope to the problem that the hole easily collapses in the stake process simultaneously, further improved the ability of shearing of starching solid gravel pile.
Drawings
FIG. 1 is a schematic view of a construction machine for a slurry-bonded gravel pile in a tunnel;
FIG. 2 is a schematic view of a construction machine for a slurry gravel pile in a tunnel drilling;
fig. 3 is a schematic view of the connection of the hoist, the construction machine frame and the drill rod.
In the figure: the system comprises a walking control room 1, a crawler system 2, a crawler 201, a chassis 202, a winch 3, a host 4, a construction frame 5, a sliding groove 501, a sliding block 503, a hydraulic motor 504, a drill rod 6, a motor system 7, a thin-wall steel sleeve 8, a grouting pressure system 9, a conveying hose 10, a slurry storage system 11, a slewing device 12, a rectangular bottom plate 13 and an angle support 14.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
the embodiment discloses a construction machine for a grouted gravel pile in a tunnel, which comprises a drilling system, a grouting system, a walking control room 1 and a crawler system 2.
Referring to fig. 1, the drilling system, the grouting system and the walking control room 1 are all arranged on a crawler system 2.
The drilling system comprises a winch 3, a host machine 4, a construction rack 5, a drill rod 6 and a motor system 7.
Referring to fig. 2 or 3, the winch 3 is connected with a construction rack 5, and a drill rod 6 is connected to the construction rack 5. The construction rack 5 comprises an inclined sliding groove 501, the upper end of the sliding groove 501 is connected with a hydraulic motor 504, and a transmission chain is wound between the output end of the hydraulic motor 504 and the lower end of the sliding groove 501.
The transmission chain is provided with a sliding block 503, and the sliding block 503 is installed in the sliding groove 501. The winch 3 is installed on the sliding block 503, the output end of the winch 3 is connected with the drill rod 6, and the drill rod 6 is parallel to the sliding groove 501.
When the hydraulic motor 504 is started, the sliding block 503 is driven to slide along the sliding groove 501, so that the winch 3 and the drill rod 6 are driven to slide along the sliding groove 501.
When the winch 3 is started, the drill rod 6 is driven to drill downwards.
The main machine 4 comprises a control system and a control panel, and the main machine 4 controls the winch and the motor system.
The drill rod 6 is a sectional type drill rod, and the sectional type drill rod is connected in a sectional mode through male and female buckles. The length of each section of the drill rod 6 is 2 m.
The motor system 7 supplies power to the winch 3.
Referring to fig. 2, the outer surface of the drill rod 6 is provided with a thin-walled steel casing 8. The outer diameter of the thin-wall steel sleeve 8 is 500mm, the thickness of the thin-wall steel sleeve 8 is 3mm, and the length of each section of the thin-wall steel sleeve 8 is 2 m. During construction, the thin-wall steel sleeve 8 plays a role of protecting the wall and preventing hole collapse.
Referring to fig. 1, the grouting system comprises a grouting pressure system 9, a delivery hose 10 and a grout storage system 11. The slurry storage system 11 is connected with the grouting pressure system 9. The grouting pressure system 9 is connected with a delivery hose 10. The grouting pressure system 9 presses out the slurry in the slurry storage system 11 and pours the slurry into the hole through the conveying hose 10.
Referring to fig. 1, the track system 2 includes tracks 201 and a chassis 202. The upper surface of the chassis 202 is connected with a rotating device 12. The upper surface of the rotating device 12 is connected with a rectangular bottom plate 13. And the drilling system, the grouting system and the walking control chamber 1 are all arranged on the upper surface of the rectangular bottom plate 13. And an operator operates the machine to carry out construction through the walking control room 1.
Four corners of the lower surface of the rectangular bottom plate 13 are connected with corner supports 14 with the functions of contraction and opening. The angle brace 14 serves to stabilize the machine against tipping over.
When in use, the method comprises the following steps:
1) construction positioning: the construction machine advances to the design position, opens each of the corner supports 14, supports to the ground, makes a loft at the design position, and performs rechecking and positioning.
2) Drilling construction: after rechecking, the drill rod 6 is used for mechanical drilling. During drilling, the drilling is carried out at a slow gear, the inclination angle of the drilled hole is ensured to be unchanged, and the maximum deviation is not more than 1%.
3) Connection construction: after the Nth section of drill rod is drilled, the (N + 1) th section of drill rod 6 is connected with the Nth section of drill rod 6 through a male buckle and a female buckle, the (N + 1) th section of thin-wall sleeve 8 and the Nth section of thin-wall sleeve 8 are welded into a whole, and N is a natural number. And after welding is finished, continuing drilling construction until the drilling depth meets the design requirement.
4) Putting broken stones: and (4) lifting the drill rod 6 out and disassembling, and leaving the thin-walled sleeve 8 in the hole to form a sleeve retaining wall to prevent hole collapse. And (4) the grouting pipe is opposite to the center of the drill hole and is lowered into the drill hole. And in the lowering process, the plurality of grouting pipes are welded together to form the sectional grouting pipe. The grouting pipe is a porous steel pipe. After the grout pipe reaches the bottom of the borehole, the gap between the grout pipe and the thin-walled sleeve 8 is filled with crushed stones.
5) Grouting construction: the delivery hose 10 is connected to a grout pipe. The grouting pressure system 9 injects cement slurry in a slurry storage system 11 into the broken stone body through a delivery hose 10 and a grouting pipe.
6) And (4) finishing construction: after grouting, the conveying hose 10 is disconnected from the grouting pipe, and the grouting pipe is left in the grouted gravel pile to serve as a stiffening core reinforcement body. The crawler 201 drives the construction machine to move to the position, and the next pile is constructed.
Example 2:
the embodiment discloses a construction machine for a grouted gravel pile in a tunnel, which comprises a drilling system, a grouting system, a walking control room 1 and a crawler system 2.
And the drilling system, the grouting system and the walking control chamber 1 are all arranged on the crawler system 2.
The drilling system comprises a winch 3, a host machine 4, a construction rack 5, a drill rod 6 and a motor system 7. The winch 3 is connected with the construction rack 5, and the construction rack 5 is connected with the drill rod 6. Referring to fig. 2, the outer surface of the drill rod 6 is provided with a thin-walled steel casing 8.
Referring to fig. 1, the grouting system comprises a grouting pressure system 9, a delivery hose 10 and a grout storage system 11. The slurry storage system 11 is connected with the grouting pressure system 9. The grouting pressure system 9 is connected with a delivery hose 10.
Example 3:
the main structure of this embodiment is the same as that of embodiment 2, and further, referring to fig. 3, the construction machine frame 5 includes an inclined sliding groove 501, an upper end of the sliding groove 501 is connected with a hydraulic motor 504, and a transmission chain is wound between an output end of the hydraulic motor 504 and a lower end of the sliding groove 501. The transmission chain is provided with a sliding block 503, and the sliding block 503 is installed in the sliding groove 501. The winch 3 is installed on the sliding block 503, the output end of the winch 3 is connected with the drill rod 6, and the drill rod 6 is parallel to the sliding groove 501.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, and further, the drill rod 6 is a sectional type drill rod, and the sectional type drill rod is connected in a sectional manner through male and female buckles.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, referring to fig. 1, the crawler system 2 includes a crawler 201 and a chassis 202. The upper surface of the chassis 202 is connected with a rotating device 12. The upper surface of the rotating device 12 is connected with a rectangular bottom plate 13. And the drilling system, the grouting system and the walking control chamber 1 are all arranged on the upper surface of the rectangular bottom plate 13.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, and further, corner supports 14 having the functions of retracting and opening are connected to four corners of the lower surface of the rectangular bottom plate 13.
Example 7:
the main structure of this embodiment is the same as that of embodiment 6, and further, the outer diameter of the thin-walled steel sleeve 8 is 600mm, and the thickness is 5 mm.
Claims (6)
1. Slurry-solidified gravel pile construction machinery in tunnel, its characterized in that: the device comprises a drilling system, a grouting system, a walking control room (1) and a crawler system (2);
the drilling system, the grouting system and the walking control chamber (1) are all arranged on the crawler system (2);
the drilling system comprises a winch (3), a host (4), a construction rack (5), a drill rod (6) and a motor system (7); the winch (3) is connected with the construction rack (5), and the construction rack (5) is connected with the drill rod (6); the outer surface of the drill rod (6) is provided with a thin-wall steel sleeve (8);
the grouting system comprises a grouting pressure system (9), a conveying hose (10) and a grout storage system (11); the slurry storage system (11) is connected with the grouting pressure system (9); the grouting pressure system (9) is connected with a conveying hose (10).
2. The machine for constructing a slurry-bonded gravel pile in a tunnel according to claim 1, wherein: the construction rack (5) comprises an inclined sliding groove (501), the upper end of the sliding groove (501) is connected with a hydraulic motor (504), and a transmission chain is wound between the output end of the hydraulic motor (504) and the lower end of the sliding groove (501); a sliding block (503) is arranged on the transmission chain, and the sliding block (503) is arranged in the sliding groove (501); the hoisting machine (3) is arranged on the sliding block (503), the output end of the hoisting machine (3) is connected with the drill rod (6), and the drill rod (6) is parallel to the sliding groove (501).
3. The machine for constructing a slurry-bonded gravel pile in a tunnel according to claim 1, wherein: the drill rod (6) is a sectional drill rod, and the sectional drill rod is connected in a sectional mode through male and female buckles.
4. The machine for constructing a slurry-bonded gravel pile in a tunnel according to claim 1, wherein: the track system (2) comprises a track (201) and an undercarriage (202); the upper surface of the chassis (202) is connected with a rotating device (12); the upper surface of the rotating device (12) is connected with a rectangular bottom plate (13); and the drilling system, the grouting system and the walking control chamber (1) are all arranged on the upper surface of the rectangular bottom plate (13).
5. The machine for constructing a slurry-bonded gravel pile in a tunnel according to claim 4, wherein: four corners of the lower surface of the rectangular bottom plate (13) are connected with corner supports (14) with the functions of contraction and opening.
6. The machine for constructing a slurry-bonded gravel pile in a tunnel according to claim 1, wherein: the outer diameter of the thin-wall steel sleeve (8) is 300-600 mm, and the thickness of the thin-wall steel sleeve is 1-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332911.9U CN211397435U (en) | 2019-08-16 | 2019-08-16 | Construction machine for slurry-solidified gravel pile in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332911.9U CN211397435U (en) | 2019-08-16 | 2019-08-16 | Construction machine for slurry-solidified gravel pile in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397435U true CN211397435U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921332911.9U Active CN211397435U (en) | 2019-08-16 | 2019-08-16 | Construction machine for slurry-solidified gravel pile in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397435U (en) |
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2019
- 2019-08-16 CN CN201921332911.9U patent/CN211397435U/en active Active
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