CN209855809U - Grouting device for shield tunneling machine - Google Patents
Grouting device for shield tunneling machine Download PDFInfo
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- CN209855809U CN209855809U CN201920292967.XU CN201920292967U CN209855809U CN 209855809 U CN209855809 U CN 209855809U CN 201920292967 U CN201920292967 U CN 201920292967U CN 209855809 U CN209855809 U CN 209855809U
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Abstract
The utility model discloses a grouting device for a shield tunneling machine, which comprises a grouting head, wherein one end of the grouting head is provided with a water injection joint, a slurry injection joint, an accelerator injection joint and a groove, the grouting head is internally provided with a water injection channel, a slurry channel, an accelerator channel and a mixing chamber, one end of the two water injection channels is connected with the water injection joint, the other end of the two water injection channels is respectively connected with the slurry channel and the accelerator channel, the slurry injection joint is connected with one end of the slurry channel, the accelerator injection joint is connected with one end of the accelerator channel, the other end of the slurry channel and the other end of the accelerator channel are both connected with one end of the mixing chamber, the other end of the grouting head is connected with the other end of the mixing chamber and is provided with a slurry outlet, a spiral conveyor extending into the mixing chamber is arranged in the groove, and a stirring rod is further arranged on a propeller of the spiral conveyor. The utility model discloses can effectual improvement mud and accelerator the mixing efficiency and mix the effect to can carry out effectual washing.
Description
Technical Field
The utility model relates to a shield constructs machine slip casting device belongs to shield and constructs machine technical field.
Background
The shield machine is a tunnel boring machine using a shield method, and the shield construction method is a method in which the tunnel boring machine constructs (lays) a shield (referred to as a supporting segment) of a tunnel while boring, and is different from an open construction method; the tunnel construction by using the shield method has the characteristics of high automation degree, manpower saving, high construction speed, one-step tunnel formation, no influence of weather, controllable ground settlement during excavation, reduction of influence on ground buildings, no influence on ground traffic during underwater excavation and the like, and is more economical and reasonable in construction by using a shield machine under the conditions of longer tunnel line and larger buried depth; the basic working principle of the shield tunneling machine is that a cylindrical steel component is pushed forwards along the axis of the tunnel to excavate soil. The shell of the cylinder component, namely the shield, plays a role of temporary support for the excavated tunnel section which is not yet lined, bears the pressure of the surrounding soil layer, sometimes bears the underground water pressure and keeps the underground water out, and the operations of excavation, soil discharge, lining and the like are carried out under the shield of the shield; however, in the grouting device of the existing shield machine, when grouting operation is performed, slurry and the accelerator cannot be fully mixed, so that the actual using effect of the mixed slurry is poor.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides a shield constructs machine slip casting device can effectual improvement mud and accelerator's mixing efficiency and mixed effect to can carry out effectual washing.
The utility model discloses the technical scheme who adopts does:
a grouting device for a shield tunneling machine comprises a grouting head, wherein one end of the grouting head is provided with a water injection joint, a slurry injection joint, an accelerator injection joint and a groove, the grouting head is internally provided with a water injection channel, a slurry channel, an accelerator channel and a mixing chamber, the number of the water injection channels is two, one end of each of the two water injection channels is connected with the water injection joint, the other ends of the two water injection channels are respectively connected with the slurry channel and the accelerator channel, the slurry injection joint is connected with one end of the slurry channel, the accelerator injection joint is connected with one end of the accelerator channel, the other ends of the slurry channel and the accelerator channel are both connected with one end of the mixing chamber, the other end of the grouting head is connected with the other end of the mixing chamber and is provided with a slurry outlet, and the mixing chamber is of a cylindrical structure; a spiral conveyor extending to the inside of the mixing chamber is arranged in the groove, the spiral conveyor and the slurry outlet are positioned on the same horizontal central line, and a plurality of stirring rods are further arranged on a propeller of the spiral conveyor.
Preferably, wherein one end of the stirring rod is connected with the screw of the screw conveyer, the other end of the stirring rod is provided with a V-shaped stirring blade, the V-shaped stirring blade is connected with the stirring rod in a rotating mode, the V-shaped stirring blade can effectively mix the slurry and the accelerating agent when the screw rotates, and the mixing efficiency is improved.
Further preferably, the water injection channel, the slurry channel and the accelerator channel are respectively provided with an electric control valve.
Preferably, a slag discharging channel is arranged at the bottom of the mixing chamber, the slag discharging channel is arranged towards the end of the grouting head with the slurry outlet, and an electric control valve is also arranged on the slag discharging channel.
Preferably, a supporting bearing is arranged at the slurry outlet, the execution tail end of the screw conveyor is inserted into the supporting bearing and is in rotating connection with the supporting bearing, a through hole for slurry to pass through is formed in the supporting bearing, and the stability of the screw conveyor is improved by the supporting bearing.
The beneficial effects of the utility model reside in that:
the screw conveyer can effectively mix the slurry and the accelerator while effectively conveying the blades, and a plurality of stirring rods arranged on a propeller of the screw conveyer and V-shaped stirring blades rotatably connected with the stirring rods effectively improve the mixing efficiency and the mixing effect; the automatic degree of the grouting device is improved by the electric control valves arranged on the water injection channel, the slurry channel, the accelerator channel and the slag discharge channel; the slag discharge channel arranged at the bottom of the mixing chamber avoids accumulation of residues in the mixing chamber, and the grouting device is conveniently cleaned effectively.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a left side view of the present invention;
the main reference numerals in the figures have the following meanings:
1. grouting head, 2, water injection joint, 3, slurry injection joint, 4, accelerator injection joint, 5, water injection channel, 6, slurry channel, 7, accelerator channel, 8, mixing chamber, 9, slurry outlet, 10, groove, 11, screw conveyer, 12, stirring rod, 13, V-shaped stirring blade, 14, slag discharge channel, 15 and support bearing.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2: the embodiment is a grouting device for a shield machine, which comprises a grouting head 1, wherein one end of the grouting head 1 is provided with a water injection joint 2, a slurry injection joint 3, an accelerator injection joint 4 and a groove 10, the grouting head 1 is internally provided with two water injection channels 5, a slurry channel 6, an accelerator channel 7 and a mixing chamber 8, the water injection channels 5 are arranged, one ends of the two water injection channels 5 are connected with the water injection joint 2, the other ends of the two water injection channels 5 are respectively connected with the slurry channel 6 and the accelerator channel 7, the slurry injection joint 3 is connected with one end of the slurry channel 6, the accelerator injection joint 4 is connected with one end of the accelerator channel 7, the other ends of the slurry channel 6 and the accelerator channel 7 are connected with one end of the mixing chamber 8, the other end of the grouting head 1 is connected with the other end of the mixing chamber 8 and provided with a slurry outlet 9, the mixing chamber 8 is of a cylindrical structure; a spiral conveyor 11 extending into the mixing chamber 8 is arranged in the groove 10, the spiral conveyor 11 and the slurry outlet 9 are positioned on the same horizontal central line, and a plurality of stirring rods 12 are arranged on a propeller of the spiral conveyor 11.
Referring to fig. 1, one end of the stirring rod 12 is connected to a propeller of the screw conveyor 11, the other end of the stirring rod 12 is provided with a V-shaped stirring blade 13, and the V-shaped stirring blade 13 is rotatably connected to the stirring rod 12.
Referring to fig. 1, a slag discharge channel 14 is arranged at the bottom of the mixing chamber 8, the slag discharge channel 14 is arranged towards the end of the grouting head 1 provided with the slurry outlet 9, and an electric control valve is also arranged on the slag discharge channel 14.
Referring to fig. 1, a support bearing 15 is disposed at the slurry outlet 9, an execution end of the screw conveyor 11 is inserted into the support bearing 15 and is rotatably connected with the support bearing 15, and a through hole for passing the slurry is formed on the support bearing 15.
In this embodiment, the water injection passage 5, the slurry passage 6, and the accelerator passage 7 are respectively provided with an electric control valve.
The utility model discloses a theory of operation does:
when grouting operation is needed, the electric control valves on the slurry channel 6 and the accelerator channel 7 are opened, slurry and an accelerator are respectively sent into the mixing chamber 8 through the slurry channel 6 and the accelerator channel 7, and under the rotation of the screw conveyor 11, the slurry and the accelerator are effectively mixed in the mixing chamber 8 and are sent out through the slurry outlet 9; after the grouting operation is finished, the electromagnetic valves on the slurry channel 6 and the accelerator channel 7 are closed, the electromagnetic valves on the two water injection channels 5 are opened, water is sent into the slurry channel 6, the accelerator channel 7 and the mixing chamber 8 through the water injection joint 2 to clean the slurry channel 6, the accelerator channel 7 and the mixing chamber 8, the electric control valve on the slag discharge channel 14 is opened, and sewage is discharged through the slag discharge channel 14.
The utility model provides a grouting device for a shield machine, a bolt conveyor can effectively mix slurry and an accelerating agent while effectively conveying blades, and a plurality of stirring rods arranged on a screw propeller of the bolt conveyor and V-shaped stirring blades rotationally connected with the stirring rods effectively improve the mixing efficiency and the mixing effect; the automatic degree of the grouting device is improved by the electric control valves arranged on the water injection channel, the slurry channel, the accelerator channel and the slag discharge channel; the slag discharge channel arranged at the bottom of the mixing chamber avoids accumulation of residues in the mixing chamber, and the grouting device is conveniently cleaned effectively.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a shield constructs machine slip casting device which characterized in that: comprises a grouting head (1), wherein one end of the grouting head (1) is provided with a water injection joint (2), a slurry injection joint (3), an accelerator injection joint (4) and a groove (10), the grouting head (1) is internally provided with two water injection channels (5), a slurry channel (6), an accelerator channel (7) and a mixing chamber (8), the two water injection channels (5) are respectively connected with the water injection joint (2) and the other ends of the two water injection channels (5) are respectively connected with the slurry channel (6) and the accelerator channel (7), the slurry injection joint (3) is connected with one end of the slurry channel (6), the accelerator injection joint (4) is connected with one end of the accelerator channel (7), the other end of the slurry channel (6) and the other end of the accelerator channel (7) are respectively connected with one end of the mixing chamber (8), the other end of the grouting head (1) is connected with the other end of the mixing chamber (8) to form a slurry outlet (9), and the mixing chamber (8) is of a cylindrical structure; a spiral conveyor (11) extending into the mixing chamber (8) is arranged in the groove (10), the spiral conveyor (11) and the slurry outlet (9) are positioned on the same horizontal central line, and a plurality of stirring rods (12) are arranged on a propeller of the spiral conveyor (11).
2. The grouting device for the shield tunneling machine according to claim 1, wherein one end of the stirring rod (12) is connected with a propeller of the screw conveyor (11), the other end of the stirring rod (12) is provided with a V-shaped stirring blade (13), and the V-shaped stirring blade (13) is rotatably connected with the stirring rod (12).
3. The grouting device for the shield tunneling machine according to claim 1, wherein electric control valves are respectively arranged on the water injection channel (5), the slurry channel (6) and the accelerator channel (7).
4. The grouting device for the shield tunneling machine according to claim 1, characterized in that a slag discharge channel (14) is arranged at the bottom of the mixing chamber (8), the slag discharge channel (14) is arranged towards the end of the grouting head (1) provided with the slurry outlet (9), and an electric control valve is also arranged on the slag discharge channel (14).
5. The grouting device for the shield tunneling machine according to claim 1, wherein a support bearing (15) is arranged at the grout outlet (9), the execution tail end of the screw conveyor (11) penetrates through the support bearing (15) and is rotatably connected with the support bearing (15), and a through hole for slurry to pass through is formed in the support bearing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292967.XU CN209855809U (en) | 2019-03-08 | 2019-03-08 | Grouting device for shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292967.XU CN209855809U (en) | 2019-03-08 | 2019-03-08 | Grouting device for shield tunneling machine |
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| Publication Number | Publication Date |
|---|---|
| CN209855809U true CN209855809U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920292967.XU Active CN209855809U (en) | 2019-03-08 | 2019-03-08 | Grouting device for shield tunneling machine |
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| CN (1) | CN209855809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151099A (en) * | 2021-12-07 | 2022-03-08 | 江苏重亚重工有限公司 | Shield constructs quick-witted thick liquid mechanism of arranging suitable for complicated geological environment |
-
2019
- 2019-03-08 CN CN201920292967.XU patent/CN209855809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151099A (en) * | 2021-12-07 | 2022-03-08 | 江苏重亚重工有限公司 | Shield constructs quick-witted thick liquid mechanism of arranging suitable for complicated geological environment |
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