CN221277743U - Slurry shield quarrying box device - Google Patents

Abstract

The utility model provides a slurry shield quarrying box device, which reduces the problem that clay is deposited on a grid, reduces the problems of frequent cleaning and low cleaning efficiency of a quarrying box, and comprises an upper box body, a lower box body and a secondary box body, wherein a first grid which is obliquely distributed is arranged in the upper box body, the upper box body is divided into an upper cavity and a lower cavity by the first grid, a slurry inlet pipe is arranged on the rear side surface of the first box body, the slurry inlet pipe is communicated with the upper cavity of the upper box body, a first slurry outlet pipe is arranged on the front side surface of the first box body, and the first slurry outlet pipe is communicated with the lower cavity of the upper box body; the lower box body is internally provided with a second grid which is obliquely distributed, the second grid divides the lower box body into an upper cavity and a lower cavity, the upper cavity of the lower box body is communicated with the lower cavity of the upper box body up and down, and a crushing device is arranged in the upper cavity of the lower box body; the auxiliary box body is positioned at the rear of the lower box body and is communicated with the upper cavity of the lower box body, and the front side surface of the lower cavity of the lower box body is communicated with a second pulp outlet pipe.

Description

Slurry shield quarrying box device

Technical Field

The utility model relates to the technical field of slurry shields, in particular to a slurry shield stone quarrying box device.

Background

When the slurry shield machine works, slurry is input into a slurry cabin through a circulation system to form a slurry film, and the slurry pressure acts on the slurry film to balance the water and soil pressure of the stratum; meanwhile, the mud and the cut dregs are mixed and then conveyed to a mud-water treatment station through a circulation system to separate the dregs from the mud, so that the recycling of the mud is realized.

However, in the clay stratum, a large amount of hard blocks such as calcium nodules generated in the tunneling process block the slurry discharge pipeline, and a quarrying box is required to be arranged as a filtering device for collecting the hard blocks in the slurry so as to ensure the normal operation of the circulation system. The inclined grille is arranged in the quarrying box, the interior of the box body is divided into a pulp inlet area and a pulp outlet area, and the hard blocks are filtered through the grille, but in the actual construction process, the hard blocks enable mud to not normally pass through the grille, so that the normal operation of the quarrying box is affected; meanwhile, in order to improve the fluidity of the fluidity slurry and prevent slag from accumulating, a stirrer is arranged in the air cushion cabin to replace a crusher, so that hard blocks are more and larger, and a quarrying box needs to be cleaned frequently; on the other hand, the quarrying case is bulky, and working space is little when the clearance makes the clearance difficulty, and workman's work is powerful, and cleaning efficiency is low, influences shield construction speed.

Disclosure of utility model

The utility model provides a slurry shield quarrying box device, which reduces the problem that hard blocks are arranged on a grid, and reduces the problems of frequent cleaning and low cleaning efficiency of the quarrying box.

The utility model is realized by the following technical scheme:

The slurry shield stone quarrying box device comprises an upper box body, a lower box body and an auxiliary box body, wherein a first grid which is obliquely distributed is arranged in the upper box body, the first grid divides the upper box body into an upper cavity and a lower cavity, a slurry inlet pipe is arranged on the rear side surface of the first box body and communicated with the upper cavity of the upper box body, a first slurry outlet pipe is arranged on the front side surface of the first box body and communicated with the lower cavity of the upper box body;

The lower box body is internally provided with a second grid which is obliquely distributed, the second grid divides the lower box body into an upper cavity and a lower cavity, the upper cavity of the lower box body is communicated with the lower cavity of the upper box body up and down, and a crushing device is arranged in the upper cavity of the lower box body;

the auxiliary box body is positioned at the rear of the lower box body and is communicated with the upper cavity of the lower box body, and the front side surface of the lower cavity of the lower box body is communicated with a second pulp outlet pipe.

Further, the outer end of the first pulp outlet pipe extends outwards and is communicated with the side wall of the second pulp outlet pipe.

Further, the crushing device comprises a main crushing roller and an auxiliary crushing roller which are symmetrically distributed in the front-back direction, and the main crushing roller and the auxiliary crushing roller are rotationally connected to the left side wall and the right side wall of the lower box body through roller shafts.

Further, a flushing pipe is arranged at the top of the first box body.

Further, a first gate is arranged on the second slurry outlet pipe.

Further, a second gate is arranged at the communication part of the auxiliary box body and the upper cavity of the lower box body.

Further, a third gate is arranged at the communication position of the upper box body and the lower box body.

Further, a filter screen box is sleeved in the auxiliary box body, a cover plate is arranged at the top of the filter screen box, a slurry inlet is formed in the upper part of the front side surface of the filter screen box, and a filter screen plate is arranged at the lower part of the front side surface of the filter screen box;

the side wall of the lower cavity of the lower box body is also provided with a pulp discharging door.

Compared with the prior art, the utility model has the following beneficial effects:

1. The first grille can enable hard blocks in the slurry to fall into the crushing device for crushing, the crushed small blocks enter the second slurry outlet pipe through the second grille and do not enter the auxiliary box body through the second grille, and therefore the quantity of the hard blocks and the times of cleaning the quarrying box are reduced; the hard blocks are cleaned through the auxiliary box body, so that the efficiency of cleaning the hard blocks is improved;

2. The crushing device comprises a main crushing roller and an auxiliary crushing roller which are symmetrically distributed in front-back manner, and hard blocks can be crushed through the main crushing roller and the auxiliary crushing roller, so that the amount of the hard blocks is reduced;

3. The top of the first box body is provided with a flushing pipe, so that hard blocks are prevented from being adhered to the first grid, and the first grid is prevented from being blocked;

4. The filter screen case is sleeved in the case body, and the separation of the hard block and the slurry is directly realized by taking out the filter screen case, so that the efficiency of cleaning the hard block is improved.

Drawings

FIG. 1 is a front cross-sectional view of a slurry shield quarrying box apparatus according to the utility model

FIG. 2 is a block diagram of a slurry shield quarrying box apparatus according to the utility model

FIG. 3 is a schematic view of a filter screen box according to the present utility model;

In the figure: 1. the slurry inlet pipe, 2, a first grid, 3, an upper box body, 4, a flushing pipe, 5, a first slurry outlet pipe, 6, a first gate, 7, a second slurry outlet pipe, 8, a lower box body, 9, a second grid, 10, a second gate, 11, a secondary box body, 12, a filter screen box, 13, a crushing device, 14, a third gate, 15 and a slurry discharging gate.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present utility model, it should be understood that the terms "front", "rear", "inner", "outer", "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-3, this embodiment discloses a slurry shield quarrying case device, which comprises an upper case 3, a lower case 8, a first slurry outlet pipe 5, a second slurry outlet pipe 7 and a sub-case 11, wherein a first grille 2 is obliquely installed in the upper case 3, the first grille 2 divides the upper case 3 into an upper cavity and a lower cavity, a slurry inlet pipe 1 is installed on the rear side surface of the first case, the slurry inlet pipe 1 is communicated with the upper cavity of the upper case 3, a first slurry outlet pipe 5 is installed on the front side surface of the first case, the first slurry outlet pipe 5 is communicated with the lower cavity of the upper case 3, and the slurry inlet pipe 1 and the first slurry outlet pipe 5 are coaxially arranged. In order to facilitate flushing of the sludge on the first grid, a flushing pipe 4 is mounted on top of the first tank.

Install the second grid 9 of slope distribution in lower box 8, second grid 9 divide into upper chamber and lower chamber with lower box 8, and upper box 3 is located directly over lower box 8, and the upper chamber of lower box 8 passes through the bolt assembly intercommunication with the lower chamber of upper box 3, is provided with breaker 13 in the upper chamber of lower box 8. The crushing device 13 comprises a main crushing roller and an auxiliary crushing roller which are symmetrically distributed from front to back, the main crushing roller and the auxiliary crushing roller are rotationally connected to the left side wall and the right side wall of the lower box body 8 through roller shafts, and the main crushing roller is driven to rotate through a driving mechanism outside the lower box body 8.

The auxiliary box body 11 is positioned at the rear of the lower box body 8 and is communicated with the upper cavity of the lower box body 8 through an inclined channel, and it is worth noting that the inclined direction of the second grille 9 is directed towards the position of the auxiliary box body 11, so that the filtered hard blocks of the second grille 9 directly fall into the auxiliary box body 11, and the front side surface of the lower cavity of the lower box body 8 is communicated with the second slurry outlet pipe 7. The outer end of the first slurry outlet pipe 5 extends outwards and is communicated with the side wall of the second slurry outlet pipe 7, and the slurry shield stone quarrying box device is conveniently embedded into a circulation system. For convenience, the stone quarrying box device is cleaned, a first gate 6 is arranged on a second slurry outlet pipe 7, a second gate 10 is arranged at the communication position of a secondary box 11 and an upper cavity of a lower box 8, a third gate 14 is arranged at the communication position of the upper box 3 and the lower box 8, and a slurry discharging gate 15 is further arranged on the side wall of the lower cavity of the lower box 8.

In order to facilitate cleaning of hard blocks, a filter screen box 12 is sleeved in the auxiliary box 11, a cover plate is arranged at the top of the filter screen box 12, a handle is arranged at the top of the cover, a slurry inlet is arranged at the upper part of the front side surface of the filter screen box 12, a filter screen plate is arranged at the lower part of the front side surface of the filter screen box, and when the hard blocks which are not filtered by the second grid 9 in the lower box 8 fall into the auxiliary box 11, the filter screen box 12 is lifted to separate slurry from the hard blocks, so that the hard blocks are cleaned.

The concrete use process of the slurry shield quarrying box device is as follows:

When the slurry shield quarrying box device works, large-diameter hard blocks (such as calcium tuberculosis or stone blocks and the like) are mixed with slurry and enter from a slurry inlet pipe 1, the large-diameter hard blocks are blocked by a first grid 2 and sink into a crushing device 13 under the influence of gravity, small-diameter muck crushed by the crushing device 13 can enter a second slurry outlet pipe 7 after passing through a second grid 9, and cannot enter into a filter screen box 12 in a secondary box 11 along the second grid 9 by the hard blocks of the second grid 9; under the condition that the third gate 14 is closed to ensure the normal operation of the circulation system, the auxiliary box body 11 is opened, the filter screen box 12 and the hard block are taken out together, and the cleaning of the quarrying box device is completed. Closing the first gate 6 and the second gate 10, discharging slurry through the slurry discharging gate, and replacing parts under the condition that the circulation system works normally; the device utilizes the crushing device 13 to crush the hard blocks, so that the amount of the hard blocks to be cleaned is reduced, the number of times of cleaning the quarrying box is reduced, meanwhile, the hard blocks are collected into the filter screen box 12, the hard blocks are quickly cleaned, and the difficulty of cleaning the hard blocks is reduced; in addition, the normal operation of the circulation system is not affected when the hard blocks are cleaned, and the working efficiency is improved.

Claims (8)

1. The slurry shield stone quarrying box device is characterized by comprising an upper box body, a lower box body and an auxiliary box body, wherein a first grid which is obliquely distributed is arranged in the upper box body, the first grid divides the upper box body into an upper cavity and a lower cavity, a slurry inlet pipe is arranged on the rear side surface of the upper box body and communicated with the upper cavity of the upper box body, a first slurry outlet pipe is arranged on the front side surface of the upper box body and communicated with the lower cavity of the upper box body;

The lower box body is internally provided with a second grid which is obliquely distributed, the second grid divides the lower box body into an upper cavity and a lower cavity, the upper cavity of the lower box body is communicated with the lower cavity of the upper box body up and down, and a crushing device is arranged in the upper cavity of the lower box body;

the auxiliary box body is positioned at the rear of the lower box body and is communicated with the upper cavity of the lower box body, and the front side surface of the lower cavity of the lower box body is communicated with a second pulp outlet pipe.

2. The slurry shield quarrying box apparatus of claim 1 wherein an outer end of said first slurry pipe extends outwardly and communicates with a sidewall of said second slurry pipe.

3. The slurry shield quarrying box apparatus of claim 1, wherein said crushing apparatus comprises a main crushing roller and an auxiliary crushing roller which are symmetrically distributed in front-back direction, and the main crushing roller and the auxiliary crushing roller are rotatably connected to left and right side walls of said lower box body by a roller shaft.

4. The slurry shield quarrying tank apparatus of claim 1, wherein a flushing pipe is provided at a top of said upper tank body.

5. The slurry shield quarrying box apparatus of claim 1, wherein said second slurry outlet pipe is provided with a first gate.

6. The slurry shield quarrying tank apparatus of claim 5, wherein a second gate is provided at a place where the sub-tank communicates with the upper chamber of the lower tank.

7. The slurry shield quarrying tank apparatus of claim 6, wherein a third gate is provided at a communication position of said upper tank body and said lower tank body.

8. The slurry shield stone-quarrying box apparatus according to any one of claims 1-7, wherein said sub-box body is internally sleeved with a filter screen box, a cover plate is arranged at the top of said filter screen box, a slurry inlet is arranged at the upper part of the front side surface of said filter screen box, and a filter screen plate is arranged at the lower part of said filter screen box;

the side wall of the lower cavity of the lower box body is also provided with a pulp discharging door.