CN218844312U

CN218844312U - Shield tunneling machine muck conveying device for water-rich stratum

Info

Publication number: CN218844312U
Application number: CN202223353736.6U
Authority: CN
Inventors: 郭峰; 候建林; 陆宏朝; 未其辉
Original assignee: Urban Rail Transit Engineering Co Ltd of China Railway Beijing Engineering Group Co Ltd
Current assignee: Urban Rail Transit Engineering Co Ltd of China Railway Beijing Engineering Group Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-11
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to a shield constructs quick-witted technical field, especially relates to a shield constructs quick-witted dregs conveyor for rich water stratum, and its technical scheme includes: the feeding pipe, the preformed hole has been seted up to the feeding pipe upper surface, and the preformed hole has communicating pipe to pass in, fixed mounting has the baffle box in the feeding pipe, the baffle box adopts toper structural design, set up screw and screw thread on the feeding pipe in the baffle box outside and install the set screw, the relative one side movable mounting of baffle box and feeding pipe has the annular duct, the feeding pipe is passed and is installed with the annular duct intercommunication in the communicating pipe bottom, the equal fixed mounting in both ends of feeding pipe has the ring flange. The utility model provides a lead to arranging the sediment time-space atmospheric pressure strong inadequately and lead to arranging the sediment inefficiency then and arouse the problem of pipeline jam because of the pipeline overlength.

Description

Shield tunneling machine muck conveying device for water-rich stratum

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is a shield constructs quick-witted dregs conveyor for rich water stratum.

Background

The shield constructs the machine and extremely easily meets rich water stratum at excavation tunnel in-process, when the shield constructs the machine and tunnels in rich water stratum, because the dregs water content is big, if use the earth pressure balance shield to construct the machine and adopt the mode that the screw machine adds belt conveyor, then can produce following technological problem: 1. if the belt conveyor has an inclined section, water rich in the muck cannot be conveyed, so that the amount of sewage in the shield tunneling machine is large; 2. when the water content of the water-rich layer is too large, the risk of surging exists in the conveying process, so that the defect that the interior of the tunnel is submerged by water is caused; 3. the water content can be reduced by using the muck modifier, but the excavation cost is obviously improved due to overhigh cost. If the slurry balance shield machine is used, although the problem of overhigh water content of a water-rich stratum can be solved, the defect is obvious, namely the manufacturing cost and the comprehensive tunneling cost of the slurry balance shield machine are generally 3 times of those of an earth pressure balance shield machine, and the tunneling cost is extremely high.

Chinese utility model patent: the disclosure number is CN214145495U, and the shield machine muck conveying device for the water-rich stratum comprises a belt conveyor and a muck conveying device assembly, wherein the belt conveyor comprises a three-phase motor, a transmission wheel and a conveying belt, the muck conveying device assembly comprises a hard pipe and a hose, a ball valve facing to the axial direction of the hose is arranged on the hard pipe, the ball valve is connected with an air compressor which is marked and matched on the shield machine through a pneumatic pipeline to establish high-pressure gas conveying connection, the hard pipe is connected with a spiral conveyor on the shield machine, and the hard pipe is connected with the hose through a flange; the utility model discloses a dregs conveyor effectively reduces the use amount of dregs modifier, reduces the operating expenses, effectively solves the gushing problem that rich water dregs arouse in transportation process to show the sewage volume that reduces in shield structure machine and the tunnel.

In the prior art, CN214145495U is used, high-pressure gas is input into a hose through an air compressor, so that water-rich muck in the hose is urged to move forwards through the high-pressure gas and falls onto a belt conveyor, but when the hose is used in practice, the hose is unfixed in length, so that the air pressure of the high-pressure gas in the original design is difficult to urge the water-rich muck to move in the hose when the hose is too long, slag discharge is difficult, and a slag discharge pipeline is blocked, and then the defects are overcome by providing a shield machine muck conveying device for a water-rich stratum to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs quick-witted dregs conveyor for rich water stratum possesses the removal speed that effectively improves rich water dregs to avoid appearing the advantage of pipeline jam, solved because of the pipeline overlength lead to arrange the sediment space-time atmospheric pressure strong not enough and lead to arranging the problem that sediment inefficiency arouses the pipeline jam then.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield constructs quick-witted dregs conveyor for rich water stratum, includes the conveying pipe, fixed mounting has the baffle box in the conveying pipe, the relative one side movable mounting of baffle box and conveying pipe has the ring duct, the equal fixed mounting in both ends of conveying pipe has the ring flange.

When using a shield structure machine dregs conveyor for rich water stratum among this technical scheme, pass through the ring flange intercommunication installation with a plurality of conveying pipes according to actual distance, and use the osculum end of baffle box to be the discharge end, establish ties a plurality of communicating pipes through the gas-supply pipe this moment, and inject the high-pressure gas that air compressor produced into the ring through the gas-supply pipe in, thereby spout the discharge end in the conveying pipe with high-pressure gas through high pressure nozzle, thereby realize the high-speed removal of rich water dregs in the conveying pipe through festival pressure boost.

Preferably, the upper surface of the feeding pipe is provided with a reserved hole, and a communicating pipe passes through the reserved hole.

Preferably, the bottom end of the communicating pipe penetrates through the feeding pipe and is installed in a communicating mode with the annular pipe.

Preferably, the guide chute adopts a conical structural design, and a screw hole is formed in the feeding pipe outside the guide chute and a positioning screw is installed on the feeding pipe in a threaded mode.

Preferably, the bottom end of the positioning screw penetrates through the feeding pipe and is positioned on one side, away from the material guide groove, of the annular pipe, and the bottom end of the positioning screw is in contact with the annular pipe but is not fixedly connected with the annular pipe.

Preferably, one side of the annular pipe, which is far away from the material guide groove, is provided with holes in an annular array and is communicated with a high-pressure nozzle.

Preferably, the spraying direction of the high-pressure nozzle is the side of the annular pipe, which is far away from the material guide groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the conveying pipe and set up the ring flange respectively at the both ends of conveying pipe, it can dock and communicate a plurality of conveying pipes through the ring flange to old, and simultaneously, the high pressure nozzle that sets up on the baffle box in the conveying pipe can avoid on the ring conduit is blockked up by rich water dregs, when using, spout high-pressure gas through the high pressure nozzle of installing on the ring conduit in the baffle box outside, thereby improve the removal rate of rich water dregs in the conveying pipe, the removal rate of effectively improving rich water dregs has been reached, thereby avoid appearing the effect of pipeline jam.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic diagram of a right side view cross-sectional structure of the present invention;

fig. 4 is a schematic structural diagram of an enlarged portion in fig. 1 according to the present invention.

In the figure: 1. a flange plate; 2. a material guide chute; 3. a feed pipe; 4. an annular tube; 5. a communicating pipe; 6. a set screw; 7. a high pressure nozzle; 8. holes are reserved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides an embodiment: the utility model provides a shield constructs quick-witted dregs conveyor for rich water stratum, includes conveying pipe 3, and preformed hole 8 has been seted up to 3 upper surfaces of conveying pipe, has communicating pipe 5 to pass in the preformed hole 8. The feeding pipe 3 is internally and fixedly provided with a guide chute 2, the guide chute 2 adopts a conical structure design, and the feeding pipe 3 outside the guide chute 2 is provided with a screw hole and is provided with a positioning screw 6 in a threaded manner. Through setting up conveying pipe 3 and set up ring flange 1 respectively at the both ends of conveying pipe 3, it can dock and communicate a plurality of conveying pipes 3 through ring flange 1 old, and simultaneously, the baffle box 2 of setting in conveying pipe 3 can avoid high pressure nozzle 7 on the ring pipe 4 to be blockked up by rich water dregs, when using, through installing high pressure nozzle 7 on the ring pipe 4 in the 2 outsides of baffle box with high-pressure gas blowout, thereby improve the translation rate of rich water dregs in conveying pipe 3, the translation rate of effectively improving rich water dregs has been reached, thereby avoid appearing the effect of pipeline jam.

The annular pipe 4 is movably installed on one side, opposite to the feeding pipe 3, of the material guide groove 2, and the bottom end of the communicating pipe 5 penetrates through the feeding pipe 3 and is installed in a communicating mode with the annular pipe 4. And the two ends of the feeding pipe 3 are fixedly provided with flange plates 1. The bottom end of the positioning screw 6 penetrates through the feeding pipe 3 and is positioned on one side, away from the material guide groove 2, of the annular pipe 4, and the bottom end of the positioning screw 6 is in contact with the annular pipe 4 but is not fixedly connected with the annular pipe 4. One side of the annular pipe 4, which is far away from the material guide groove 2, is provided with holes in an annular array and is communicated with a high-pressure nozzle 7. The high-pressure nozzle 7 sprays in the direction of the side of the annular pipe 4 facing away from the material guide chute 2.

The utility model discloses during the use, according to actual distance with a plurality of conveying pipes 3 through the installation of 1 intercommunication of ring flange to use the osculum end of baffle box 2 to be the bin outlet, establish ties a plurality of communicating pipes 5 through the gas-supply pipe this moment, and through the gas-supply pipe with the high-pressure gas injection ring pipe 4 that air compressor produced, thereby spout the discharge end in the conveying pipe 3 with high-pressure gas through high pressure nozzle 7, thereby realize the high-speed removal of rich water dregs in conveying pipe 3 through the festival pressure boost.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shield constructs quick-witted dregs conveyor for rich water stratum, includes conveying pipe (3), its characterized in that: the feeding pipe is characterized in that a guide chute (2) is fixedly mounted in the feeding pipe (3), an annular pipe (4) is movably mounted on one side, opposite to the feeding pipe (3), of the guide chute (2), and flange plates (1) are fixedly mounted at two ends of the feeding pipe (3).

2. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 1, wherein: the upper surface of the feeding pipe (3) is provided with a preformed hole (8), and a communicating pipe (5) penetrates through the preformed hole (8).

3. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 2, wherein: the bottom end of the communicating pipe (5) penetrates through the feeding pipe (3) and is communicated with the annular pipe (4).

4. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 1, wherein: the material guide groove (2) is designed to be of a conical structure, and a screw hole is formed in the feeding pipe (3) on the outer side of the material guide groove (2) and a positioning screw (6) is installed on the feeding pipe in a threaded mode.

5. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 4, wherein: the bottom end of the positioning screw (6) penetrates through the feeding pipe (3) and is positioned on one side, away from the material guide groove (2), of the annular pipe (4), and the bottom end of the positioning screw (6) is in contact with the annular pipe (4) but is not fixedly connected with the annular pipe.

6. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 1, wherein: one side of the annular pipe (4) departing from the material guide groove (2) is provided with holes in an annular array and communicated with a high-pressure nozzle (7).

7. The shield tunneling machine muck conveying device for the water-rich stratum according to claim 6, wherein: the spraying direction of the high-pressure nozzle (7) is the side of the annular pipe (4) departing from the material guide groove (2).