CN212535673U - Rotatable high-pressure water gun structure in soil bin of shield tunneling machine - Google Patents
Rotatable high-pressure water gun structure in soil bin of shield tunneling machine Download PDFInfo
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- CN212535673U CN212535673U CN202020634934.1U CN202020634934U CN212535673U CN 212535673 U CN212535673 U CN 212535673U CN 202020634934 U CN202020634934 U CN 202020634934U CN 212535673 U CN212535673 U CN 212535673U
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Abstract
The utility model discloses a rotatable high-pressure squirt structure in shield constructs quick-witted soil storehouse, including nozzle, connecting pipe, steering ball, spherical cover, oil cup and sealing washer, steering ball structure is globular, for the transition device of connecting pipe and nozzle, and threaded connection is adopted respectively in the both sides that turn to the ball to connecting pipe and nozzle, high-pressure squirt adopts bolt and packing ring to fix on the support through the spherical cover. The utility model uses a rotatable high-pressure water gun for injecting high-pressure water to the soil bin, thereby improving the soil structure in the soil bin; on the other hand, the high-pressure water gun injects high-pressure water to the cutter head to wash away clay bonded to the cutter head, so that the problem that the cutter is frequently replaced due to the cutter-bonded mud cake when the cutter head tunnels in a clay stratum or a silt stratum is solved, the frequency of manual warehouse entry and cutter changing is reduced, the construction risk is reduced, and the construction cost is saved.
Description
Technical Field
The utility model relates to a shield constructs rotatable high-pressure squirt structure in quick-witted soil storehouse belongs to tunnel engineering machinery technical field.
Background
The shield machine is a special engineering machine for tunneling, when the shield machine is constructed to penetrate through a clay stratum or a silt stratum, a cutter head rotates to cut a soil body to increase the temperature of a contact surface, and clay particles are easily attached to a cutter under the high-pressure action of extrusion of the cutter head, so that the cutter is stuck, the soil body cannot be normally cut, the load of the cutter head and the cutter of the shield machine is increased, and the frequency of cutter replacement is increased; meanwhile, clay is bonded on the cutter head, so that the opening rate of the cutter head is reduced, the soil body under cutting is influenced to smoothly enter the soil bin, and the tunneling safety of the shield tunneling machine and the durability of equipment are further influenced. At present, the most common method for solving the problem of using a clay bonded cutter of a shield machine is to enter a bin for cutter changing, the method is to manually enter a soil bin for cutter changing, certain risks exist, the problems of stability of surrounding geology, tunnel burial depth, stratum water content and the like are considered during cutter changing, and for water-rich geology, the bin entering cutter changing risk is high and is not suitable for cutter changing. Therefore, the method for changing the cutter by entering the bin cannot fundamentally solve the problem that the cutter is bonded by the clay. Secondly, the cost of the cutter is high, and the problems of construction cost increase and construction progress delay caused by frequent cutter replacement are solved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rotatable high-pressure water gun structure of a shield machine aiming at the defects of the prior art, and solving the problem that a cutter fails due to mud cake; meanwhile, the soil body structure in the soil bin is improved, and the soil body is convenient to output smoothly.
For solving this technical problem, the utility model provides a rotatable high-pressure squirt structure in shield constructs quick-witted soil storehouse, including nozzle, connecting pipe, turn to ball, spherical cover, oil cup and sealing washer, turn to the ball structure for globular, for the transition device of connecting pipe and nozzle, connecting pipe and nozzle adopt threaded connection respectively in the both sides that turn to the ball, high-pressure squirt adopts bolt and packing ring to fix on the support through the spherical cover.
An oil cup is arranged on the ball cover, and lubricating oil flows to the surface of the steering ball through a gap between the ball cover and the support.
And sealing rings are arranged between the spherical surface of the steering ball and the contact surfaces of the support and the spherical cover.
And the connecting pipe is provided with a ball valve.
The nozzle is arranged on one side of the soil bin and is used for spraying high-pressure water, namely a water outlet end of the high-pressure water; the connecting pipe is arranged on one side of the front shield, and a pipeline from the high-pressure water pump is connected with the ball valve and is a high-pressure water inlet end.
Has the advantages that: the utility model uses a rotatable high-pressure water gun for injecting high-pressure water to the soil bin, thereby improving the soil structure in the soil bin; on the other hand, the high-pressure water gun injects high-pressure water to the cutter head to wash away clay bonded to the cutter head, so that the problem that the cutter is frequently replaced due to the cutter-bonded mud cake when the cutter head tunnels in a clay stratum or a silt stratum is solved, the frequency of manual warehouse entry and cutter changing is reduced, the construction risk is reduced, and the construction cost is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
fig. 3 is a schematic view of the installation position of the present invention.
In the figure: 1 ball cover, 2 steering balls, 3 nozzles, 4 connecting pipes, 5 sealing rings, 6 bolts, 7 gaskets, 8 oil cups, 9 supports, 10 front shield partition plates, 11 soil bins, 12 front shields and 13 ball valves.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view showing the structure of the present invention.
The utility model provides a rotatable high-pressure squirt structure in shield constructs quick-witted soil storehouse, including nozzle 3, connecting pipe 4, steering ball 2, spherical cover 1, oil cup 8 and sealing washer 5, steering ball 2 structure is the spheroid, can realize diversified rotation, for the transition device of connecting pipe 4 and nozzle 3, and connecting pipe 4 and nozzle 3 adopt threaded connection respectively in the both sides of steering ball 2, convenient maintenance, dismantlement, change; the high-pressure water gun is fixed on a support 9 through a ball cover 1 by adopting a bolt 6 and a gasket 7. When the high-pressure water gun sprays water, the water spraying angle can be adjusted in a multi-direction mode through rotation of the steering ball according to actual conditions.
An oil cup 8 is installed on the ball cover 1, lubricating oil flows to the surface of the steering ball 2 through a gap between the ball cover 1 and the support 9, the effect of lubricating the steering ball 2 is achieved, friction of the spherical surface is reduced, and the high-pressure water gun is guaranteed to rotate flexibly.
And a ball valve 13 is arranged on the connecting pipe 4.
Fig. 3 is a schematic view of the installation position of the present invention.
The nozzle 3 is arranged on one side of the soil bin 11 and used for spraying high-pressure water, namely a water outlet end of the high-pressure water; the connecting pipe 4 is arranged on one side of the front shield 12, and a pipeline from the high-pressure water pump is connected with the ball valve 13 and is a high-pressure water inlet end.
In the concrete operation, the structural state of the soil body in the soil bin is distinguished according to the output of the shield machine screw machine, if the output has mud cakes, a high-pressure water gun can be used for injecting water into the soil bin in a proper amount; when a high-pressure water gun is needed to inject water into the cutterhead according to detection results, the ball valve 13 on the connecting pipe 4 is opened, high-pressure water is injected into the soil bin 11 through the steering ball 2 and the nozzle 3, the connecting pipe 4 is held by a hand, the steering ball 2 is rotated by adjusting the angle of the connecting pipe 4, the nozzle 3 is driven to rotate, high-pressure water is injected into the cutterhead, and the angle of the high-pressure water gun is adjusted according to actual conditions. The high-pressure water gun can be arranged at a plurality of positions at the proper position of the front shield partition plate 10, and is beneficial to washing the cutter head in multiple directions.
When the high-pressure water gun parts are damaged, the high-pressure water gun can be disassembled for maintenance. In a specific operation, if the connecting pipe 4 is replaced, the connecting pipe 4 can be replaced independently without disassembling other parts, namely, the connecting pipe 4 is unscrewed from the steering ball 2 in the direction of the anterior shield 12. When other spare part is changed, dismantle the order and do: the ball cover 1 can be removed by detaching the connecting bolt 6 and the gasket 7 of the ball cover 1 and the support 9, meanwhile, the sealing ring 5 in the groove of the ball cover 1 is detached together, and further, the steering ball 2, the nozzle 3 and the connecting pipe 4 are detached as a whole, meanwhile, the other sealing ring 5 in the groove of the support 9 is detached together, and if the nozzle 3 is replaced, the other sealing ring can be screwed out and replaced. After the replacement, the sealing ring 5 needs to be replaced, and the original sealing ring 5 can not be used again.
The utility model uses a rotatable high-pressure water gun for injecting high-pressure water to the soil bin, thereby improving the soil structure in the soil bin; on the other hand, the high-pressure water gun injects high-pressure water to the cutter head to wash away clay bonded to the cutter head, so that the problem that the cutter is frequently replaced due to the cutter-bonded mud cake when the cutter head tunnels in a clay stratum or a silt stratum is solved, the frequency of manual warehouse entry and cutter changing is reduced, the construction risk is reduced, and the construction cost is saved.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (5)
1. The utility model provides a shield constructs rotatable high-pressure squirt structure in quick-witted soil storehouse which characterized in that: including nozzle (3), connecting pipe (4), turn to ball (2), spherical cap (1), oil cup (8) and sealing washer (5), turn to ball (2) structure for globular, for the transition device of connecting pipe (4) and nozzle (3), adopt threaded connection respectively in the both sides that turn to ball (2) connecting pipe (4) and nozzle (3), the high-pressure squirt adopts bolt (6) and packing ring (7) to fix on support (9) through spherical cap (1).
2. The rotatable high-pressure water gun structure in the soil bin of the shield tunneling machine according to claim 1, characterized in that: an oil cup (8) is arranged on the ball cover (1), and lubricating oil flows to the surface of the steering ball (2) through a gap between the ball cover (1) and the support (9).
3. The rotatable high-pressure water gun structure in the soil bin of the shield tunneling machine according to claim 1, characterized in that: and sealing rings (5) are arranged between the spherical surface of the steering ball (2) and the contact surfaces of the support (9) and the spherical cover (1).
4. The rotatable high-pressure water gun structure in the soil bin of the shield tunneling machine according to claim 1, characterized in that: and a ball valve (13) is arranged on the connecting pipe (4).
5. The rotatable high-pressure water gun structure in the soil bin of the shield tunneling machine according to any one of claims 1 to 4, characterized in that: the nozzle (3) is arranged on one side of the soil bin (11) and sprays high-pressure water which is a water outlet end of the high-pressure water; the connecting pipe (4) is arranged on one side of the front shield (12), and a pipeline from the high-pressure water pump is connected with the ball valve (13) and is a high-pressure water inlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634934.1U CN212535673U (en) | 2020-04-24 | 2020-04-24 | Rotatable high-pressure water gun structure in soil bin of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634934.1U CN212535673U (en) | 2020-04-24 | 2020-04-24 | Rotatable high-pressure water gun structure in soil bin of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535673U true CN212535673U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020634934.1U Active CN212535673U (en) | 2020-04-24 | 2020-04-24 | Rotatable high-pressure water gun structure in soil bin of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535673U (en) |
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2020
- 2020-04-24 CN CN202020634934.1U patent/CN212535673U/en active Active
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