CN218117791U - Tunnel vault slip casting device suitable for below ground water level - Google Patents
Tunnel vault slip casting device suitable for below ground water level Download PDFInfo
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- CN218117791U CN218117791U CN202222669201.3U CN202222669201U CN218117791U CN 218117791 U CN218117791 U CN 218117791U CN 202222669201 U CN202222669201 U CN 202222669201U CN 218117791 U CN218117791 U CN 218117791U
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Abstract
The application relates to a tunnel vault grouting device suitable for being used below an underground water level, which mainly relates to the technical field of tunnel construction equipment and comprises a base, a speed reducing motor arranged on the base, a grouting pipe arranged on the base, a transmission mechanism and a shunt pipe; two ends of the transmission mechanism are respectively connected with the speed reducing motor and the grouting pipe; the flow dividing pipe comprises a main pipe connected with the grouting pipe, a quick connector connected with the main pipe and a plurality of flow guiding pipes communicated with the quick connector; a plurality of through holes are uniformly formed in the side wall of the flow guide pipe. This application has the tunnel vault and condenses the advantage that the quality is good, the efficiency of construction is high.
Description
Technical Field
The application relates to the technical field of tunnel construction equipment, in particular to a tunnel vault grouting device suitable for being used below an underground water level.
Background
The surface grouting refers to a reinforcing process that prepared chemical grout or cement grout is injected into gaps of soil bodies and is combined with the soil bodies to generate a physicochemical reaction, so that the strength of the soil bodies is improved, and the compressibility and permeability are reduced. Because the tunnel buried depth below the groundwater level is less, the surrounding rock stability is relatively poor, and collapse easily occurs in the excavation process, so need through follow ground drilling slip casting, carry out reinforcement in advance to surrounding rock, stratum.
The grouting pump is one of the main equipments required in the implementation of the surface grouting process, and can provide pressure for the grouting of the grout. The surface grouting process has strict requirements on the output pressure of a grouting pump, the output pressure is usually not more than 5 MPa, otherwise slurry leakage is easy to occur at the arch crown. Such pressure limitations are more severe in the grouting construction of the tunnel vault below the ground water level, and thus the flow rate of a single grouting point is limited to a very low range. The time consumed by one-by-one construction of each grouting point by using a conventional grouting pump is long, so that the construction interval of each point is long, the consistency of the coagulation degree of each point is poor, and the phenomenon of uneven settlement is obvious.
In view of the above-mentioned related art, the inventor believes that the construction efficiency is low and the slurry coagulation quality is poor by using a conventional grouting pump because the restriction of the vault of the tunnel below the ground water level on the grouting speed is large.
SUMMERY OF THE UTILITY MODEL
In order to improve the slip casting construction quality of the tunnel vault below the ground water level, the efficiency of construction of slip casting technology is improved, the application provides a tunnel vault slip casting device suitable for below the ground water level.
The application provides a tunnel vault slip casting device suitable for below ground water level adopts following technical scheme:
a tunnel vault grouting device suitable for being used below underground water level comprises a base, a speed reducing motor arranged on the base, a grouting pipe arranged on the base, a transmission mechanism and a flow dividing pipe; two ends of the transmission mechanism are respectively connected with the speed reducing motor and the grouting pipe; the flow dividing pipe comprises a main pipe connected with the grouting pipe, a quick connector connected with the main pipe and a plurality of flow guiding pipes communicated with the quick connector; a plurality of through holes are uniformly formed in the side wall of the flow guide pipe.
By adopting the technical scheme, the base plays a supporting role for other partial structures of the grouting machine and provides a mounting position, the gear motor arranged on the base is a power source of the grouting machine, the transmission mechanism can connect the gear motor with the grouting pipe, so that the grouting pipe can move under the driving of the gear motor and continuously extrude grout in the grouting pipe, the grouting function of the grouting machine is realized, the shunt pipe connected with the grouting pipe can averagely disperse the grout from the grouting pipe to a plurality of grouting points, the effect of simultaneous grouting at multiple points is achieved, the overall construction efficiency is improved under the condition that the limitation of a single point on grouting pressure and grouting flow rate is not exceeded, the construction interval of each point is shortened, the consistency of the grout coagulation degree of each point is improved, the grouting construction quality of the tunnel vault below the underground water level is improved, and the construction efficiency of the grouting process is improved.
Optionally, one end of the flow guide pipe, which is far away from the quick connector, is provided with a conical section.
Through adopting above-mentioned technical scheme, the toper section that the one end that the honeycomb duct kept away from quick connector set up can make things convenient for constructor to insert the honeycomb duct smoothly downtheholely with the slip casting, has further promoted the efficiency of construction.
Optionally, the conical section is detachably connected with the flow guide pipe.
Through adopting above-mentioned technical scheme, the structural design that toper section and honeycomb duct can dismantle the connection can make things convenient for constructor to follow the honeycomb duct with the toper section and take off and clear up honeycomb duct inside, has simplified the clearance process of water conservancy diversion ring.
Optionally, the lower surface of the base is provided with a plurality of orientation wheels.
Through adopting above-mentioned technical scheme, constructor can make things convenient for the directional wheel of base under surface mounting to remove the base, and the structure of directional wheel can the moving direction of unable adjustment base, avoids the base to take place partially at the removal in-process, has removed the process of readjusting the position from, has improved the efficiency of construction.
Optionally, the grouting pipe comprises a pipe body, a piston rod connected with the pipe body in a sliding manner, and check valves respectively arranged at the inlet end and the outlet end of the pipe body.
Through adopting above-mentioned technical scheme, the body is the container that the thick liquid absorbs entering and extrusion discharge two in-process locates, thereby can carry out reciprocating motion with body sliding connection's piston rod under gear motor's effect and realize the absorption entering and the extrusion discharge of thick liquid, and the check valve at body business turn over both ends can guarantee that the direction of motion of thick liquid goes on according to predetermineeing the direction, has avoided the phenomenon of thick liquid backward flow.
Optionally, a pressure gauge is arranged at the discharge end of the tube body in a penetrating manner; the detection end of the pressure gauge is positioned in the pipe body.
Through adopting above-mentioned technical scheme, the manometer of body discharge end installation can make things convenient for constructor to implement the control to this application inside fluid pressure, makes things convenient for constructor to carry out the in good time adjustment to gear motor's rotational speed, avoids local pressure too big or undersize, has both guaranteed the efficiency of construction and has improved the slip casting quality of condensing.
Optionally, the transmission mechanism comprises a rocker fixedly connected with the power output shaft of the speed reducing motor, a connecting rod with one end hinged to the rocker and a sliding block connected with the grouting pipe in a sliding manner; the other end of the connecting rod is hinged with the sliding block, and the sliding block is fixedly connected with the piston rod.
By adopting the technical scheme, the rocker-slider mechanism consisting of the rocker, the connecting rod and the slider can convert the rotary motion of the power output shaft of the speed reducing motor into the reciprocating motion of the piston rod.
Optionally, a dustproof partition plate is sleeved outside the speed reducing motor; the dustproof partition plate is detachably connected with the base.
Through adopting above-mentioned technical scheme, the dustproof baffle that the outside cover of gear motor was established can avoid the dust dregs that produces in the slip casting work progress along gear motor shell's gap infiltration gear motor inside, has reduced gear motor trouble probability, can dismantle the structural design who is connected between square needle baffle and the base and can make things convenient for gear motor's dismouting and change.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the base plays a supporting role for other partial structures in the application, and provides a mounting position, the reducing motor arranged on the base is a power source of the application, the transmission mechanism can connect the reducing motor with the grouting pipe, so that the grouting pipe can move and continuously extrude grout in the grouting pipe under the driving of the reducing motor, the grouting function of the application is realized, the shunt pipe connected with the grouting pipe can averagely disperse the grout from the grouting pipe to a plurality of grouting points, the effect of simultaneous grouting at multiple points is achieved, the overall construction efficiency is improved under the condition that the limitation of a single point on grouting pressure and grouting flow rate is not exceeded, the construction interval of each point is shortened, the consistency of the coagulation degree of the grout at each point is improved, the grouting construction quality of the tunnel vault below the underground water level is improved, and the construction efficiency of the grouting process is improved;
2. the pipe body is a container in which the grout is sucked, enters and is extruded and discharged, a piston rod in sliding connection with the pipe body can reciprocate under the action of a speed reducing motor so as to realize the sucking, the entering and the extruding and the discharging of the grout, the check valves at the inlet end and the outlet end of the pipe body can ensure that the movement direction of the grout is carried out according to the preset direction, and the backflow phenomenon of the grout is avoided;
3. the dustproof partition plate that the outside cover of gear motor in this application was established can avoid the dust dregs that produces in the slip casting work progress along gear motor shell's gap infiltration gear motor inside, has reduced gear motor's probability of breaking down, can dismantle the structural design who is connected between square needle baffle and the base and can make things convenient for gear motor's dismouting and change.
Drawings
Fig. 1 is a schematic structural diagram of a tunnel vault grouting device suitable for being used below the underground water level according to an embodiment of the application.
Fig. 2 is a schematic view of a shunt in an embodiment of the present application.
Description of reference numerals: 1. a base; 11. a directional wheel; 2. a reduction motor; 21. a dust-proof partition plate; 3. a grouting pipe; 31. a pipe body; 32. a piston rod; 33. a one-way valve; 311. a pressure gauge; 4. a transmission mechanism; 41. a rocker; 42. a connecting rod; 43. a slider; 5. a shunt tube; 51. a main pipe; 52. a quick connector; 53. a flow guide pipe; 531. a tapered section.
Detailed Description
The present application is described in further detail below with reference to fig. 1-2.
The grouting pump is a common construction device for surface grouting, and can provide pressure for grout to be injected into a corresponding position. In the grouting construction of the tunnel vault below the underground water level, the flow rate of each grouting point is limited to a lower level due to the consideration of avoiding vault slurry leakage, the construction efficiency is lower by using a conventional grouting pump, and the grouting coagulation quality is poorer. In order to improve the slip casting construction quality of the tunnel vault below the ground water level, the construction efficiency of the slip casting process is improved, the application provides a tunnel vault slip casting device suitable for below the ground water level.
The embodiment of the application discloses tunnel vault slip casting device suitable for below underground water level. Referring to fig. 1, the grouting device for the vault of the tunnel suitable for being used below the underground water level comprises a base 1, a speed reducing motor 2, a grouting pipe 3, a transmission mechanism 4 and a shunt pipe 5. Wherein, gear motor 2 and slip casting pipe 3 are all fixed mounting on base 1, and the feed end of slip casting pipe 3 communicates with the discharge end of concrete mixing tank, and the discharge end and the shunt tubes 5 intercommunication of slip casting pipe 3, and drive mechanism 4's both ends link to each other with gear motor 2 and slip casting pipe 3 respectively.
Referring to fig. 1, the base 1 may be a solid rectangular metal plate. The lower surface of the base 1 is provided with 4 orientation wheels 11 in a bolt connection mode. The 4 directional wheels 11 are respectively positioned on the lower surface of the base 1 near the four corners. A plurality of supporting frames used for fixing the speed reducing motor 2 are vertically arranged on the base 1 in a welding mode.
Referring to fig. 1, a reduction motor 2 includes a drive motor and a gear reducer chain-linked with the drive motor. The gear reducer is installed on the base 1 in a bolt connection mode, and the driving motor is fixed on the gear reducer through bolts. A dustproof partition plate 21 is vertically arranged between the speed reducing motor 2 and the grouting pipe 3, and the dustproof partition plate 21 is sleeved on the outer side of the speed reducing motor 2. The dustproof partition plate 21 is detachably connected with the base 1 through a bolt.
Referring to fig. 1, the grout tube 3 includes a tube body 31, a piston rod 32, and a check valve 33. The tube 31 may be a three-way metal tube made of cast iron. One end of the pipe body 31 is communicated with the output end of the concrete tank truck, which is the feed end of the grouting pipe 3. One end of the pipe body 31 is communicated with the shunt pipe 5, which is the discharge end of the grouting pipe 3. A piston rod 32 is mounted to one end of the tube 31 by a sliding connection. The feeding end and the discharging end of the grouting pipe 3 are respectively provided with a one-way valve 33. A pressure gauge 311 is arranged in the pipe body 31 near the discharge end in a penetrating manner. The detecting end of the pressure gauge 311 is located in the tube 31.
Referring to fig. 1, the transmission mechanism 4 includes a rocker 41, a link 42, and a slider 43. Wherein, the rocker 41 is vertically and fixedly connected with the power output shaft of the gear reducer of the gear motor 2. One end of the connecting rod 42 is hinged with one end of the rocker 41 far away from the gear reducer, and the other end of the connecting rod 42 is hinged with the sliding block 43. The sliding block 43 is connected with the grouting pipe 3 in a sliding way and is fixedly connected with the piston rod 32.
Referring to fig. 1 and 2, the shunt tube 5 includes a main tube 51, a quick-connect coupling 52, and a delivery tube 53. The main pipe 51 may be a circular pipe connected to the discharge end of the pipe body 31 through a flange, and the other end of the main pipe 51 and the quick connector 52 are clamped together by a snap fastener. One end of the draft tube 53 is in threaded connection with the quick connector 52, and the other end of the draft tube 53 is inserted into the grouting hole. The end of the draft tube 53 remote from the quick-connect coupling 52 is provided with a tapered section 531. The conical section 531 is detachably connected with the draft tube 53 through threads.
The implementation principle of the tunnel vault grouting device suitable for the underground water level below is as follows: the user firstly communicates the discharge end of the concrete tank truck or other devices for slurry stirring with the pipe body 31, then inserts the guide pipe 53 into the corresponding grouting holes respectively, finally starts the speed reduction motor 2, and adjusts the rotating speed according to the pressure gauge 311, so that the grouting operation can be started.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a tunnel vault slip casting device which characterized in that suitable for below the groundwater level: the device comprises a base (1), a speed reducing motor (2) arranged on the base (1), a grouting pipe (3) arranged on the base (1), a transmission mechanism (4) and a shunt pipe (5); two ends of the transmission mechanism (4) are respectively connected with the speed reducing motor (2) and the grouting pipe (3); the shunt pipe (5) comprises a main pipe (51) connected with the grouting pipe (3), a quick connector (52) connected with the main pipe (51) and a plurality of guide pipes (53) communicated with the quick connector (52); and a plurality of through holes are uniformly formed in the side wall of the flow guide pipe (53).
2. A tunnel vault grouting device suitable for use below ground water level according to claim 1, characterised in that: and a conical section (531) is arranged at one end of the guide pipe (53) far away from the quick-connection connector (52).
3. A tunnel vault grouting device suitable for use below ground water level according to claim 2, characterised in that: the conical section (531) is detachably connected with the guide pipe (53).
4. A tunnel vault grouting device suitable for use below ground water level according to claim 1, characterised in that: the lower surface of the base (1) is provided with a plurality of directional wheels (11).
5. A tunnel vault grouting device suitable for use below ground water level according to claim 1, characterised in that: the grouting pipe (3) comprises a pipe body (31), a piston rod (32) in sliding connection with the pipe body (31), and check valves (33) respectively arranged at the inlet end and the outlet end of the pipe body (31).
6. A tunnel vault grouting device suitable for underground water level as claimed in claim 5, characterized in that: a pressure gauge (311) penetrates through the discharge end of the tube body (31); the detection end of the pressure gauge (311) is positioned in the pipe body (31).
7. A tunnel vault grouting device suitable for underground water level as claimed in claim 5, characterized in that: the transmission mechanism (4) comprises a rocker (41) fixedly connected with a power output shaft of the speed reducing motor (2), a connecting rod (42) with one end hinged with the rocker (41) and a sliding block (43) in sliding connection with the grouting pipe (3); the other end of the connecting rod (42) is hinged with the sliding block (43), and the sliding block (43) is fixedly connected with the piston rod (32).
8. A tunnel vault grouting device suitable for use below ground water level according to claim 1, characterised in that: a dustproof partition plate (21) is sleeved outside the speed reducing motor (2); the dustproof partition plate (21) is detachably connected with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669201.3U CN218117791U (en) | 2022-10-10 | 2022-10-10 | Tunnel vault slip casting device suitable for below ground water level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669201.3U CN218117791U (en) | 2022-10-10 | 2022-10-10 | Tunnel vault slip casting device suitable for below ground water level |
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| CN218117791U true CN218117791U (en) | 2022-12-23 |
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| CN202222669201.3U Active CN218117791U (en) | 2022-10-10 | 2022-10-10 | Tunnel vault slip casting device suitable for below ground water level |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637991A (en) * | 2022-12-26 | 2023-01-24 | 中南大学 | Shield type TBM tunnel wall back grouting equipment |
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2022
- 2022-10-10 CN CN202222669201.3U patent/CN218117791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637991A (en) * | 2022-12-26 | 2023-01-24 | 中南大学 | Shield type TBM tunnel wall back grouting equipment |
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