CN218265909U

CN218265909U - Shield constructs quick-witted grout discharging device

Info

Publication number: CN218265909U
Application number: CN202222643323.5U
Authority: CN
Inventors: 李云鹏; 狄明世; 刘侃; 王晓宇; 鲁通; 王何磊
Original assignee: Shanghai Rail Transit Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Current assignee: Shanghai Rail Transit Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-10
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to a shield constructs quick-witted technical field to a shield constructs quick-witted grout discharging device is disclosed, including the shield structure machine body, the fixed intercommunication has the slip casting pipe on the shield structure machine body, the cavity has been seted up to the inside of shield structure machine body, set up a plurality of whitewashing holes that communicate each other with the cavity on the shield structure machine body, be provided with drive assembly on the shield structure machine body, still be provided with control assembly on the shield structure machine body, drive assembly includes installing port, driving motor, reciprocal lead screw and increased pressure plate, the installing port is seted up on the shield structure machine body. The utility model provides a shield constructs quick-witted grout discharging device has replaced traditional device structure, and the pressure plate can extrude the thick liquid with the slide, passes through the spouting hole blowout to the thick liquid, pressure and the velocity of flow when the thick liquid passes through the spouting hole blowout can accelerate to improve the scope of spraying of thick liquid, deepen the slip casting degree of depth, can consolidate comprehensively between whole circle section of jurisdiction and the tunnel stratum.

Description

Shield constructs quick-witted grout discharging device

Technical Field

The utility model relates to a shield constructs quick-witted technical field, especially relates to a shield constructs quick-witted grout discharging device.

Background

A shield machine is a tunnel boring machine using a shield method. The shield construction method is a "shield" (referred to as a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method.

Because the excavation face diameter of blade disc is greater than the section of jurisdiction external diameter, can lead to having the clearance between section of jurisdiction and the tunnel stratum, the stability of the tunnel stratum adjacent with the section of jurisdiction is relatively poor, easily takes place to drop or flow, need carry out synchronous slip casting when the tunnelling, realizes the reinforcement between section of jurisdiction and the tunnel stratum. But the slip casting degree of depth of synchronous slip casting is limited, is difficult to consolidate comprehensively between whole circle section of jurisdiction and the tunnel formation, and traditional shield constructs quick-witted grout-discharging device, only can carry out the slip casting between tunnel top section of jurisdiction and the tunnel formation, is difficult to deepen the slip casting degree of depth, just so can not reach and consolidate comprehensively between whole circle section of jurisdiction and the tunnel formation, the chinese utility model patent of publication number CN 214836345U: the utility model provides a shield constructs thick liquid device that puts of shield machine for shield tunnel construction, including the shield machine, the terminal surface is seted up flutedly before the shield machine, the recess internal rotation is connected with annular rack, the meshing of annular rack has the gear, fixedly connected with screw section of thick bamboo in the gear, screw section of thick bamboo female connection has the threaded rod, threaded rod front end fixedly connected with movable plate, screw section of thick bamboo rear end fixedly connected with motor, above-mentioned technical scheme is when in-service use, can't increase the injection pressure that the thick liquid passes through the slip casting mouth, lead to the thick liquid to stagnate easily on the aircraft nose of shield machine, so, it solves above-mentioned problem to need design a shield machine grout device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a slurry discharging device of a shield tunneling machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a shield constructs quick-witted grout discharging device, includes the shield and constructs the quick-witted body, the fixed intercommunication has the slip casting pipe on the shield constructs the quick-witted body, the cavity has been seted up to the inside of shield structure quick-witted body, set up a plurality of whitewashing holes that communicate each other with the cavity on the shield constructs the quick-witted body, be provided with drive assembly on the shield constructs the quick-witted body, still be provided with control assembly on the shield constructs the quick-witted body.

As a preferred technical scheme of the utility model, drive assembly includes installing port, driving motor, reciprocal lead screw and increased pressure plate, the installing port is seted up on the shield constructs quick-witted body, driving motor fixed mounting is at the inner face of installing port, fixed connection between the one end of reciprocal lead screw and driving motor's the output shaft, the other end of reciprocal lead screw extends to the inside of cavity to be connected with the interior face rotation of cavity, the increased pressure plate screw thread cup joints on reciprocal lead screw.

As a preferred technical solution of the present invention, the control assembly includes an opening, a chute, a sliding plate, a spring, a magnetic block, two reed switches, and an electromagnetic plate, the opening is provided with a pressure plate, the chute is provided at an inner surface of the opening, the sliding plate is slidably assembled in the chute, one end of the spring is connected to the inner surface of the chute, the other end of the spring is connected to the sliding plate, the magnetic block is embedded in the sliding plate, the two reed switches are respectively installed at upper and lower ends of the cavity, the electromagnetic plate is installed in the chute, and the electromagnetic plate is electrically connected to the two reed switches;

the sliding plate is assembled in the sliding groove in a sliding mode through the limiting assembly.

As a preferred technical scheme of the utility model, spacing subassembly includes two spacing grooves and two stoppers, two the inner face at the spout is all seted up to the spacing groove, two the equal fixed connection of stopper is on the slide, two the stopper is sliding assembly at two spacing inslots respectively.

As an optimized technical scheme of the utility model, laminate each other between the side of slide and the inner face of spout.

As an optimized technical scheme of the utility model, the slide adopts the iron material to make.

The utility model discloses a set up drive assembly and control assembly, under drive assembly and control assembly's mating reaction, the increased pressure board can extrude the thick liquid with the slide, through spouting the hole blowout to the thick liquid, pressure and velocity of flow when can accelerating the thick liquid through spouting the hole blowout to improve the scope of spraying of thick liquid, deepen the slip casting degree of depth, can consolidate comprehensively between whole circle section of jurisdiction and the tunnel stratum.

Drawings

Fig. 1 is a schematic structural view of a slurry discharge device of a shield tunneling machine according to the present invention;

fig. 2 is a schematic sectional structural view of a slurry discharge device of a shield tunneling machine according to the present invention;

fig. 3 is an enlarged view of a structure at a position a of the slurry discharge device of the shield tunneling machine provided by the utility model;

fig. 4 is the utility model provides a B department structure enlarger of shield constructs quick-witted grout discharging device.

In the figure: 10 shield constructs quick-witted body, 20 slip casting pipe, 30 cavities, 40 spouting holes, 50 drive assembly, 501 installing port, 502 driving motor, 503 reciprocating screw rod, 504 pressure plate, 60 control assembly, 601 opening, 602 spout, 603 slide plate, 604 spring, 605 magnetic path, 606 tongue tube, 607 electromagnetic plate.

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.

Referring to fig. 1-4, a slurry discharging device of a shield machine comprises a shield machine body 10, a grouting pipe 20 is fixedly communicated with the shield machine body 10, a cavity 30 is formed in the shield machine body 10, a plurality of slurry spraying holes 40 communicated with the cavity 30 are formed in the shield machine body 10, slurry can be injected into the cavity 30 through the grouting pipe 20 and is sprayed out through the slurry spraying holes 40, a driving assembly 50 is arranged on the shield machine body 10, and a control assembly 60 is further arranged on the shield machine body 10.

Referring to fig. 3, the driving assembly 50 includes an installation opening 501, a driving motor 502, a reciprocating screw rod 503 and a pressure plate 504, the installation opening 501 is opened on the shield tunneling machine body 10, the driving motor 502 is fixedly installed on the inner surface of the installation opening 501, one end of the reciprocating screw rod 503 is fixedly connected with an output shaft of the driving motor 502, the other end of the reciprocating screw rod 503 extends to the inside of the cavity 30 and is rotatably connected with the inner surface of the cavity 30, the pressure plate 504 is sleeved on the reciprocating screw rod 503 through a thread, the driving motor 502 can drive the reciprocating screw rod 503 to rotate during operation, and the pressure plate 504 can be driven to move up and down in the cavity 30 during rotation of the reciprocating screw rod 503.

Referring to fig. 4, the control assembly 60 includes an opening 601, a sliding slot 602, a sliding plate 603, a spring 604, a magnetic block 605, two reed pipes 606 and an electromagnetic plate 607, the opening 601 is provided with a pressure plate 504, the sliding slot 602 is provided on the inner surface of the opening 601, the sliding plate 603 is slidably assembled in the sliding slot 602, one end of the spring 604 is connected with the inner surface of the sliding slot 602, the other end of the spring 604 is connected with the sliding plate 603, the magnetic block 605 is embedded on the sliding plate 603, the two reed pipes 606 are respectively installed at the upper end and the lower end of the cavity 30, the electromagnetic plate 607 is installed in the sliding slot 602, and the electromagnetic plate 607 is electrically connected with the two reed pipes 606, by arranging the control assembly 60, the position of the sliding plate 603 is conveniently controlled;

the slide plate 603 is slidably fitted in the slide groove 602 through a stopper assembly.

Referring to fig. 4, the limiting assembly comprises two limiting grooves and two limiting blocks, the two limiting grooves are arranged on the inner face of the sliding groove 602, the two limiting blocks are fixedly connected to the sliding plate 603, the two limiting blocks are assembled in the two limiting grooves in a sliding mode respectively, and the sliding plate 603 can be guaranteed to move stably by the aid of the limiting assembly.

Referring to fig. 3, the side surface of the sliding plate 603 and the inner surface of the chute 602 are attached to each other, so as to prevent the slurry from entering the chute 602.

Referring to fig. 3, the sliding plate 603 is made of a ferrous material, so that the electromagnet 607 attracts the sliding plate 603.

The utility model discloses a concrete theory of operation as follows:

the utility model provides a shield constructs quick-witted grout discharging device when using, the thick liquid can pour into the inside of cavity 30 into through slip casting pipe 20, and spout through whitewashing hole 40, and simultaneously, staff's startable driving motor 502, driving motor 502 can drive reciprocal lead screw 503 when moving and take place the rotation, can drive pressure plate 504 during reciprocal lead screw 503 rotates and reciprocate in cavity 30, when pressure plate 504 removes the upper limit end in the cavity 30, magnetic path 605 removes the reed pipe 606 just right position with the upper end just right just, reed pipe 606 of upper end can send the signal of telecommunication to electromagnetic plate 607, make electromagnetic plate 607 outage demagnetization, electromagnetic plate 607 loses the magnetism after, under the spring action of spring 604, slide 603 can move towards taking place in the opening 601, and plug up opening 601, so, when pressure plate 504 moves down, pressure plate 504 and slide 603 can extrude the thick liquid, spout thick liquid through whitewashing hole 40 blowout, pressure and velocity of thick liquid when can accelerating the blowout of whitewashing hole 40 blowout, thereby improve the scope of spraying of thick liquid.

When the pressure plate 504 moves to the lower limit end in the cavity 30, the magnetic block 605 just moves to the position opposite to the reed pipe 606 at the lower end, the reed pipe 606 at the lower end sends an electric signal to the electromagnetic plate 607, so that the electromagnetic plate 607 is electrified to be magnetized, the electrified electromagnetic plate 607 can attract the sliding plate 703, and the opening 601 is in a smooth state, so that when the pressure plate 504 moves upwards again, slurry above the pressure plate 504 flows to the lower side of the pressure plate 504 through the opening 601, and the pressure plate 504 can move upwards conveniently.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shield constructs quick-witted grout discharging device, includes shield structure machine body (10), fixed intercommunication has slip casting pipe (20) on shield structure machine body (10), cavity (30) have been seted up to the inside of shield structure machine body (10), set up a plurality of whitewashing holes (40) that communicate each other with cavity (30) on shield structure machine body (10), its characterized in that, be provided with drive assembly (50) on shield structure machine body (10), still be provided with control assembly (60) on shield structure machine body (10).

2. The shield tunneling machine slurry discharging device according to claim 1, wherein the driving assembly (50) comprises a mounting port (501), a driving motor (502), a reciprocating screw rod (503) and a pressurizing plate (504), the mounting port (501) is formed in the shield tunneling machine body (10), the driving motor (502) is fixedly mounted on the inner face of the mounting port (501), one end of the reciprocating screw rod (503) is fixedly connected with an output shaft of the driving motor (502), the other end of the reciprocating screw rod (503) extends into the cavity (30) and is rotatably connected with the inner face of the cavity (30), and the pressurizing plate (504) is sleeved on the reciprocating screw rod (503) in a threaded manner.

3. The shield tunneling machine slurry discharge device according to claim 1, wherein the control assembly (60) comprises an opening (601), a chute (602), a sliding plate (603), a spring (604), a magnetic block (605), two reed switches (606) and an electromagnetic plate (607), the opening (601) is provided with a pressure plate (504), the chute (602) is provided on the inner surface of the opening (601), the sliding plate (603) is slidably assembled in the chute (602), one end of the spring (604) is connected with the inner surface of the chute (602), the other end of the spring (604) is connected with the sliding plate (603), the magnetic block (605) is embedded in the sliding plate (603), the two reed switches (606) are respectively installed at the upper end and the lower end of the cavity (30), the electromagnetic plate (607) is installed in the chute (602), and the electromagnetic plate (607) is electrically connected with the two reed switches (606);

the sliding plate (603) is slidably assembled in the sliding groove (602) through a limiting component.

4. The shield tunneling machine slurry discharging device according to claim 3, wherein the limiting assembly comprises two limiting grooves and two limiting blocks, the two limiting grooves are formed in the inner surface of the sliding groove (602), the two limiting blocks are fixedly connected to the sliding plate (603), and the two limiting blocks are respectively assembled in the two limiting grooves in a sliding manner.

5. The shield tunneling machine slurry discharge device according to claim 3, wherein the side surface of the sliding plate (603) and the inner surface of the chute (602) are attached to each other.

6. A shield tunneling machine mud-discharging device according to claim 3, characterized in that said sliding plate (603) is made of ferrous material.