CN214273651U

CN214273651U - Shield machine capable of preventing row stagnation

Info

Publication number: CN214273651U
Application number: CN202120326820.5U
Authority: CN
Inventors: 刘健; 徐纯杰; 廖兆锦; 周罘鑫; 马哲; 徐儒村; 张威威; 李飞宇
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-09-24
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a shield constructs machine that row is prevented stagnating has solved the problem of row is stagnated to muddy water storehouse, pipeline among the prior art. The utility model discloses a setting is equipped with the broken mechanism of jaw in the breaker at the internal breaker of shield, the entrance point of breaker is linked together through first pipeline and muddy water cabin, is equipped with first gate on the first pipeline, and the exit end of breaker is connected with row's thick liquid pipeline. Preferably, the first pipeline is connected to the lower part of the muddy water cabin, and the upper part of the muddy water cabin is provided with a slurry inlet pipe. The utility model discloses set up first gate between muddy water cabin and the breaker, on-off control easily operates. The muck generated by the shield excavation tunnel passes through the muddy water cabin, the first pipeline, the crusher and the slurry discharge pipeline in sequence and is finally discharged out of the tunnel. In case the breaker breaks down when needing to maintain, first gate is closed the back, can completely cut off mud inside the shield body, ensures that the breaker is in safe ordinary pressure state, can maintain safely, fast.

Description

Shield machine capable of preventing row stagnation

Technical Field

The utility model relates to a shield constructs quick-witted technical field, especially indicates a shield constructs machine that prevents row that stagnates.

Background

Slurry shields discharge the slag soil generated during tunnel excavation through pipelines, but the slurry shields are limited to the diameter of the pipelines, and a crusher needs to be arranged to crush the slag soil exceeding the diameter of the pipelines, so that the slag soil is ensured to be discharged smoothly. Existing crusher forms are generally divided into a roller tooth crusher and a jaw crusher, which have the following problems: 1. the roller tooth formula breaker is bulky great, and the common arrangement is on the shield constructs the trailer, and the pipeline in the trailer region of muddy water storehouse to breaker installation still has big particle size dregs jamming unable passing through, the problem of pipeline stagnation row promptly. 2. The jaw crusher is usually arranged in an air cushion bin, and large-particle-size slag from the muddy water bin is crushed and then discharged through the air cushion bin. When the device breaks down, personnel must adopt the construction method with higher risk of entering the warehouse under pressure to process. Meanwhile, because the oil cylinder is exposed in the muck and has no effective protection, the failure rate is higher in the construction process, a large amount of muck is accumulated in the muddy water bin, and the problem of stagnant discharge of the muddy water bin cannot be effectively solved.

The novel crusher scheme is necessary to solve the problem that the existing crusher cannot effectively deal with the stagnation and discharge of the muddy water bin and the pipeline.

SUMMERY OF THE UTILITY MODEL

Not enough to among the above-mentioned background art, the utility model provides a shield constructs machine that row is prevented stagnating has solved among the prior art muddy water storehouse, the pipeline problem of row that stagnates.

The technical scheme of the utility model is realized like this: the utility model provides a shield constructs machine that prevents row stagnates, is equipped with the broken mechanism of jaw in the breaker including setting up the breaker in the shield, the entrance point of breaker is linked together through first pipeline and muddy water cabin, is equipped with first gate on the first pipeline, and the exit end of breaker is connected with row's thick liquid pipeline. Preferably, the first pipeline is connected to the lower part of the muddy water cabin, and the upper part of the muddy water cabin is provided with a slurry inlet pipe.

Further, first gate is connected with the shield body through first driving piece respectively including the flashboard of symmetry setting, flashboard, and the flashboard realizes opening and shutting under the effect of first driving piece. Preferably, the first driving piece is a first oil cylinder, one end of the first oil cylinder is fixed on the shield body through a first fixing piece, the other end of the first oil cylinder is connected with the gate plate, a sealing slide rail is arranged on the outer wall of the crusher, and the gate plate is connected with the sealing slide rail in a sliding and sealing mode.

Further, the jaw plate crushing mechanism comprises a rack arranged in the crusher, jaw plates are symmetrically hinged to the rack, and the jaw plates swing to open and close through a second driving piece. Preferably, the second driving piece is a second oil cylinder, the side wall of the crusher is provided with a ball hinge, a sealing slide way is arranged in the ball hinge, one end of the second oil cylinder is hinged to the jaw plate, and the other end of the second oil cylinder penetrates through the sealing slide way and is hinged to the shield body through a second fixing piece.

The utility model discloses set up first gate between muddy water cabin and the breaker, the switch through first gate realizes the break-make of muddy water under-deck sediment water in first pipeline, and on-off control easily operates. The muck generated by the shield excavation tunnel passes through the muddy water cabin, the first pipeline, the crusher and the slurry discharge pipeline in sequence and is finally discharged out of the tunnel. In case the breaker breaks down when needing to maintain, first gate is closed the back, can completely cut off mud inside the shield body, ensures that the breaker is in safe ordinary pressure state, can maintain safely, fast. The broken mechanism of jaw board that is equipped with in the breaker is broken to the particle size that satisfies slag discharging system can discharge with big particle size dregs, makes mud get into smoothly and arranges the thick liquid pipeline, prevents to take place to block up and stagnates and arranges, improves the efficiency of slagging tap greatly in actual work progress.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

Fig. 1 is the overall internal structure diagram of the present invention.

Fig. 2 is a view from a-a in fig. 1.

Fig. 3 is a view from B-B in fig. 1.

Fig. 4 is a schematic view of the jaw crushing mechanism in an open state.

Fig. 5 is a view from direction D-D in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, in embodiment 1, a shield machine for preventing row stagnation includes a crusher 5 disposed in a shield body 3, an erector 7 is disposed at the rear portion of the shield body 3, and a jaw crushing mechanism is disposed in the crusher 5 to crush large-particle-size slag to a particle size that can be discharged by a slag discharge system. The inlet end of the crusher 5 is communicated with a muddy water tank 19 through a first pipeline 18, and the first pipeline 18 is connected to the lower part of the muddy water tank 19 so as to facilitate the discharge of the slag water. The upper part of the muddy water cabin 19 is provided with a slurry inlet pipe 2, and slurry is injected into the muddy water cabin through the slurry inlet pipe. The muddy water cabin 19 consists of a cutter head, a driving device 1 of the cutter head and a front partition plate 20 arranged at the front end of the shield body, the first pipeline 18 is provided with a first gate 4, and the on-off of the slag water in the muddy water cabin in the first pipeline is realized through the opening and closing of the first gate. The outlet end of the crusher 5 is connected with a slurry discharge pipeline 6. Muck generated by the shield excavation tunnel passes through the muddy water cabin, the first pipeline, the crusher and the slurry discharge pipeline 6 in sequence and is finally discharged out of the tunnel. In case breaker 5 breaks down when needing to maintain, first gate is closed the back, can be isolated inside shield body 3 with mud, ensures that breaker 5 is in safe ordinary pressure state, can maintain safely, fast.

Further, as shown in fig. 2, the first gate 4 includes gate plates 11 symmetrically arranged, the gate plates 11 are respectively connected with the shield body 3 through first driving members, and the two gate plates 11 move in opposite directions under the action of the first driving members, so that the first gate is opened and closed. The jaw plate crushing mechanism comprises a rack 14 arranged in the crusher 5, jaw plates 17 are symmetrically hinged to the rack 14, the jaw plates 17 swing to open and close through a second driving piece, the jaw plates are driven to rotate around a hinged point under the action of the second driving piece, the two jaw plates move to open and close in opposite directions to crush large-particle-size slag in the crusher, then the large-particle-size slag is discharged through a slurry discharge pipeline, the jaw plate crushing mechanism swings to open and close, slurry is enabled to smoothly enter the slurry discharge pipeline, and blockage and stagnation are prevented.

As shown in fig. 3, in embodiment 2, a shield machine for preventing row stagnation, the first driving member is a first oil cylinder 9, one end of the first oil cylinder 9 is fixed on the shield body 3 through a first fixing member 8, the other end is hinged to the gate plate 11, a sealing slide rail 10 is arranged on the outer wall of the crusher 5, two sealing slide rails are arranged up and down, and the upper end and the lower end of the gate plate 11 are respectively connected with the sealing slide rail 10 in a sliding sealing manner, so that the sealing performance is improved. In order to further improve the sealing performance of the flashboards, a sealing piece can be arranged on the butt joint side of the flashboards, and the two flashboards are tightly closed in a closed state.

Preferably, as shown in fig. 4 and 5, the second driving member is a second oil cylinder 16, a ball hinge 13 is arranged on the side wall of the crusher 5, the ball hinge 13 is welded with the shell of the wall breaking machine in a sealing manner, a sealing slideway 15 is arranged in the ball hinge 13, namely, the sealing slideway penetrates through the side wall of the crusher through the ball hinge, one end of the second oil cylinder 16 is hinged to a jaw 17, the other end of the second oil cylinder penetrates through the sealing slideway 15 and is hinged to the shield body 3 through a second fixing member 12, and the second oil cylinder slides in the sealing slideway in a telescopic manner to drive the jaw to swing and open. Impact force of the large-particle-size slag stone on the jaw plate is buffered under the action of the ball hinge in the telescopic process, and the crushing efficiency is improved. The other structure is the same as embodiment 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shield constructs machine that row is prevented stagnating which characterized in that: including setting up breaker (5) in shield body (3), be equipped with the broken mechanism of jaw in breaker (5), the entrance point of breaker (5) is linked together through first pipeline (18) and muddy water cabin (19), is equipped with first gate (4) on first pipeline (18), and the exit end of breaker (5) is connected with arranges thick liquid pipeline (6).

2. The shield tunneling machine for preventing row stagnation according to claim 1, characterized in that: the first gate (4) comprises symmetrically arranged gate plates (11), the gate plates (11) are connected with the shield body (3) through first driving pieces respectively, and the gate plates (11) are opened and closed under the action of the first driving pieces.

3. The shield tunneling machine for preventing row stagnation according to claim 2, characterized in that: the first driving piece is a first oil cylinder (9), one end of the first oil cylinder (9) is fixed on the shield body (3) through a first fixing piece (8), the other end of the first oil cylinder is connected with the flashboard (11), a sealing slide rail (10) is arranged on the outer wall of the crusher (5), and the flashboard (11) is connected with the sealing slide rail (10) in a sliding and sealing mode.

4. The shield tunneling machine for preventing row stagnation according to any one of claims 1-3, characterized in that: the jaw plate crushing mechanism comprises a rack (14) arranged in the crusher (5), jaw plates (17) are symmetrically hinged to the rack (14), and the jaw plates (17) are opened and closed in a swinging mode through a second driving piece.

5. The shield tunneling machine for preventing row stagnation according to claim 4, characterized in that: the second driving piece is a second oil cylinder (16), a ball hinge joint (13) is arranged on the side wall of the crusher (5), a sealing slide way (15) is arranged in the ball hinge joint (13), one end of the second oil cylinder (16) is hinged to a jaw plate (17), and the other end of the second oil cylinder penetrates through the sealing slide way (15) and is hinged to the shield body (3) through a second fixing piece (12).

6. The shield tunneling machine for preventing row stagnation according to any one of claims 1-3 and 5, characterized in that: the first pipeline (18) is connected to the lower portion of the muddy water cabin (19), and the upper portion of the muddy water cabin (19) is provided with the slurry inlet pipe (2).