CN216174145U - Novel residue soil screening device for tunnel shield construction - Google Patents

Abstract

The utility model provides a novel residual soil screening device for tunnel shield construction, which comprises an outer shell, a screening box and a screening device, wherein the screening box comprises a support frame; the feeding assembly comprises a first feeding hole arranged at the top of the support frame, a second feeding hole is arranged below the first feeding hole and movably connected to the top of the screening box, and a reciprocating driving unit is arranged outside the second feeding hole; the screening assembly comprises a first screening plate and a second screening plate, one end of the first screening plate is hinged in the screening box, the second screening plate is arranged below the first screening plate in parallel, and the other ends of the first screening plate and the second screening plate are connected with a vibration unit; utilize reciprocal drive unit to carry out the screening for dregs are more dispersed evenly, have promoted screening efficiency, have avoided the dregs to pile up, carry out the secondary screening through the vibration unit, make the dregs be more refined by the screening, and dregs screening effect is better.

Description

Novel residue soil screening device for tunnel shield construction

Technical Field

The utility model relates to the technical field of tunnel shield construction, in particular to a novel muck screening device for tunnel shield construction.

Background

The shield method adopted by tunnel construction is a fully mechanical construction method in the construction of a subsurface excavation method, and the shield method is a mechanical construction method for forming a tunnel structure by propelling a shield machine in the ground, supporting surrounding rocks around through a shield shell and duct pieces to prevent collapse into the tunnel, excavating a soil body in front of an excavation surface by using a cutting device, transporting out of a hole through an unearthing machine, jacking in the rear part by pressing through a jack, and assembling precast concrete duct pieces.

In the prior art, muck can be screened in tunnel shield construction, the existing muck screening device generally adopts a screening plate to screen muck, the screening effect is limited only by the screening plate, the muck is easy to block when accumulated in the device, the muck screening effect is poor and cannot meet the requirement of actual use, and therefore, the existing muck screening device has the defect of poor muck screening effect and is difficult to popularize and apply; therefore, a need exists for a novel residual soil screening device for tunnel shield construction, which aims to solve the problems.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

Therefore, the technical problem to be solved by the utility model is to overcome the defect of poor screening effect of the muck in the prior art, so that the novel muck screening device for tunnel shield construction is provided.

In order to solve the technical problems, the utility model provides the following technical scheme: a novel residual soil screening device for tunnel shield construction comprises an outer shell and a screening box, wherein a support frame is arranged above the screening box; the feeding assembly comprises a first feeding hole arranged at the top of the support frame, a second feeding hole is arranged below the first feeding hole and movably connected to the top of the screening box, and a reciprocating driving unit is arranged outside the second feeding hole; and the screening assembly comprises a first screening plate and a second screening plate, one end of the first screening plate and one end of the second screening plate are hinged to the inside of the screening box, the second screening plate is arranged below the first screening plate in parallel, and the other ends of the first screening plate and the second screening plate are connected with a vibration unit.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the screening box is characterized in that guide rods are connected to two sides of the second feed port, guide grooves are correspondingly formed in the screening box, and the guide rods are connected with the guide grooves in a sliding mode.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: reciprocating drive unit is including connecting the dead lever of second feed inlet one side, the cover is equipped with the elastic component on the dead lever, the opposite side of second feed inlet is connected with the rack, the meshing has sector gear above the rack, sector gear is connected with first driving motor.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the vibration unit comprises an arc-shaped connecting block, connecting rods, a first screening plate and a second screening plate are fixedly connected to the two ends of the arc-shaped connecting block respectively, a first spring is connected to the upper portion of the arc-shaped connecting block, a connecting box is arranged on the outer side of the first spring, a second spring is connected to the lower portion of the second screening plate, and a connecting plate is arranged below the second spring.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the arc-shaped connecting block is characterized in that teeth are symmetrically arranged on the inner side wall of the arc-shaped connecting block, and incomplete gears are meshed between the teeth.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: still including defeated material subassembly, defeated material subassembly is including setting up defeated material axle of second screening board below, defeated epaxial fixedly connected with of material leaves.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the side of screening case is provided with the rotation driving subassembly, the rotation driving subassembly includes the second driving motor of vertical setting, second driving motor below be provided with first bevel gear pair with incomplete gear connects, second driving motor below still be provided with second bevel gear pair with defeated material hub connection.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the screening case is close to be provided with the chamber door on first screening board and the articulated lateral wall of second screening board, the chamber door is articulated with the screening case.

As a preferred scheme of the novel muck screening device for tunnel shield construction, the utility model comprises the following steps: the screening box is characterized in that a discharge pipe is fixedly communicated with the inside of the screening box, a valve is arranged on the discharge pipe, a universal wheel convenient to move is arranged at the bottom of the screening box, and a braking piece is arranged on the universal wheel.

The utility model has the beneficial effects that: utilize reciprocal drive unit to carry out the screening for dregs are more dispersed evenly, have promoted screening efficiency, have avoided the dregs to pile up, carry out the secondary screening through the vibration unit, make the dregs be more refined by the screening, and dregs screening effect is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic diagram of the overall structure of a novel residual soil screening device for tunnel shield construction;

FIG. 2 is an enlarged view of a portion of the reciprocating drive unit;

FIG. 3 is a partial enlarged view of the vibration unit;

FIG. 4 is a schematic view of an arc-shaped connecting block and an internal incomplete gear;

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Example 1

The embodiment provides a novel residual soil screening device for tunnel shield construction, as shown in fig. 1, comprising,

the outer shell 100 comprises a screening box 101, and a support frame 102 is arranged above the screening box 101; the feeding assembly 200 comprises a first feeding hole 201 arranged at the top of the supporting frame 102, a second feeding hole 202 is arranged below the first feeding hole 201 and movably connected to the top of the screening box 101, and a reciprocating driving unit 203 is arranged outside the second feeding hole 202; and the screening assembly 300 comprises a first screening plate 301 and a second screening plate 302, one ends of the first screening plate 301 and the second screening plate 302 are hinged in the screening box 101, the second screening plate 302 is arranged below the first screening plate 301 in parallel, and the other ends of the first screening plate 301 and the second screening plate 302 are connected with a vibration unit 303.

The screening box 101 is a rectangular box body, an accommodating space is formed in the rectangular box body and used for accommodating the screening assembly 300, the supporting frame 102 is also a square shell and is fixed above the screening box 101 and used for accommodating the feeding assembly 200, a first feeding hole 201 is fixed at the center above the supporting frame 102 and is funnel-shaped and used for feeding muck, a second feeding hole 202 is arranged below the supporting frame and is also funnel-shaped, the size of the feeding hole is larger than that of the bottom of the first feeding hole 201, so that the second feeding hole 202 can always receive muck conveyed downwards from the first feeding hole 201 under the action of the reciprocating driving unit 203, and the reciprocating driving unit 203 is used for driving the second feeding hole 202 to be connected to the top of the screening box 101 in a reciprocating sliding mode, so that muck is more uniform when conveyed downwards; the dregs under the second feed inlet 202 are fed into the first screening plate 301 in the screening assembly 300, the second screening plate 302 is arranged below the first screening plate 301 in parallel, the first screening plate 301 and the second screening plate 302 are square plates, holes with uniform sizes are formed in the square plates, the holes in the first screening plate 301 are slightly larger than or equal to the holes in the second screening plate 302, vibration is generated through the connected vibration unit 303, so that the dregs meeting requirements fall down from the holes in the screening plates, and the dregs meeting the requirements are screened out.

Make the dregs distribute more evenly on the screening board through reciprocating drive unit, screening efficiency is higher, and the setting of two layers of screening board for dregs filter through two-layer screening, and the finished product that obtains accords with the requirement more, and the cost of saving time simultaneously, the screening effect is better.

Example 2

This embodiment differs from the previous embodiment in that, as shown in figures 1-4,

two sides of the second feed port 202 are connected with guide rods 202a, the screening box 101 is correspondingly provided with guide grooves 101a, the guide rods 202a are connected with the guide grooves 101a in a sliding manner, the guide grooves 101a are round rods, the diameter of each guide groove 101a is slightly smaller than that of the corresponding guide groove 101a, and the guide grooves 101a can slide left and right;

the reciprocating driving unit 203 is used for driving the second feed opening 202 to slide left and right, the reciprocating driving unit 203 comprises a fixed rod 203a connected to one side of the second feed opening 202, an elastic member 203b is sleeved on the fixed rod 203a, the elastic member 203b is a spring, when the second feed opening 202 slides to one side of the elastic member 203b, the spring is compressed and generates elastic force to reset the second feed opening 202, the other side of the second feed opening 202 is connected with a rack 203c, a sector gear 203d is meshed above the rack 203c, the sector gear 203d is connected with a first driving motor 203e, the driving motor 203e operates to drive the sector gear 203d to rotate, the sector gear 203d drives the rack 203c to move to push the second feed opening 202 to move to one side close to the elastic member 203b, and when the sector gear 203d rotates to be not in contact with the rack 203c, the sector gear is influenced by the elastic force of the elastic member 203b, the second feed opening 202 performs a reset movement.

The vibration unit 303 comprises an arc-shaped connecting block 303a, two ends of the arc-shaped connecting block 303a are respectively provided with a connecting rod 303b which is fixedly connected with the first screening plate 301 and the second screening plate 302, and the vibration unit 303 drives the first screening plate 301 and the second screening plate 302 to vibrate up and down through the up-and-down movement of the arc-shaped connecting block 303 a; a first spring 303c is connected above the arc-shaped connecting block 303a, a connecting box 303d is arranged outside the first spring 303c, a second spring 303e is connected below the second sieving plate 302, a connecting plate 303f is arranged below the second spring 303e, the connecting box 303d and the connecting plate 303f are limit positions of the arc-shaped connecting block 303a after the spring is extruded, and the spring can drive the house-type connecting block 303a to reset; the inner side wall of the arc-shaped connecting block 303a is symmetrically provided with teeth 303g, an incomplete gear 303h is meshed between the teeth 303g, and the arc-shaped connecting block 303a is driven to move up and down by driving the incomplete gear 303h to rotate.

Further, the material conveying assembly 400 is further included, the material conveying assembly 400 comprises a material conveying shaft 401 arranged below the second screening plate 302, material conveying blades 402 are fixedly connected to the material conveying shaft 401, the material conveying shaft 401 is a cylindrical shaft, two ends of the material conveying shaft 401 are fixed through bearings and can be driven to rotate, and spiral material conveying blades 402 are arranged on the material conveying shaft and can receive screened residue soil for outputting; the side of screening case 101 is provided with rotation driving assembly 500, and rotation driving assembly 500 includes the second driving motor 501 of vertical setting, and second driving motor 501 below is provided with first bevel gear pair 502 and is connected with incomplete gear 303h, and second driving motor 501 below still is provided with second bevel gear pair 503 and is connected with defeated material axle 401, and bevel gear pair 502 and two perpendicular meshing transmission bevel gears are used the axle and are connected with bevel gear.

A box door 101b is arranged on the hinged side wall of the screening box 101 close to the first screening plate 301 and the second screening plate 302, the box door 101b is hinged with the screening box 101, the two box doors 101b are square doors and are hinged through hinges and used for taking out unscreened muck; screening case 101 internal fixation intercommunication has discharging pipe 101c, is provided with the valve on the discharging pipe 101c, and the valve is used for controlling the switch of discharging pipe 101c, and the bottom of screening case 101 is provided with the universal wheel 101d of being convenient for to remove, is provided with the brake spare on the universal wheel 101d, and the convenient whole removal that removes that sets up of universal wheel 101 d.

The implementation manner of the embodiment is as follows: the universal wheel 101d arranged at the bottom of the screening box 101 is convenient for moving the screening box 101, the muck to be screened is placed into the second feeding hole 202 through the first feeding hole 201, the first driving motor 203e operates to drive the sector gear 203d to rotate, under the relationship of gear connection, the rack 203c is driven to drive the second feeding hole 202 to be connected to the top of the screening box 101 in a sliding manner under the guiding action of the guide rod 202a, and under the elastic action of the extruded elastic piece 203b, the second feeding hole 202 is enabled to reciprocate at the top of the screening box 101 to screen the first screening plate 301 and the second screening plate 302 below the muck dispersively placed into the second feeding hole 202, the subsequent screening efficiency is further improved, the accumulation of muck is avoided, the screening efficiency is reduced, the second driving motor 501 operates, under the connection relationship of the first bevel gear pair 502, the incomplete gear 303h is driven to rotate, one end of the arc-shaped connecting block 303a is driven to compress the first spring 303c to the end of the connecting box 303d to vibrate up and down under the gear connection relationship, in addition, the other end of the arc-shaped connecting block 303a is driven to drive the second screening plate 302 to compress the second spring 303e to the connecting plate 303f to vibrate up and down, so that reciprocating vibration screening of the first screening plate 301 and the second screening plate 302 is realized, the screened residue soil is more refined, the unscreened residue soil can be discharged from the box door 101b, when the second driving motor 501 operates, the conveying blade 402 on the conveying shaft 401 is driven to rotate under the connection relationship of the second bevel gear pair 503 to convey the screened residue soil, the residue soil is convenient to discharge from the discharging pipe 101c, and discharging is convenient.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (9)

1. The utility model provides a novel tunnel shield constructs construction and uses dregs screening device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the outer shell (100) comprises a screening box (101), and a support frame (102) is arranged above the screening box (101);

the feeding assembly (200) comprises a first feeding hole (201) arranged at the top of the supporting frame (102), a second feeding hole (202) is arranged below the first feeding hole (201) and movably connected to the top of the screening box (101), and a reciprocating driving unit (203) is arranged outside the second feeding hole (202); and the number of the first and second groups,

screening subassembly (300), including one end articulates first screening board (301) and second screening board (302) in screening case (101), second screening board (302) parallel arrangement is in first screening board (301) below, the other end of first screening board (301) and second screening board (302) is connected with vibration unit (303).

2. The novel residual soil screening device for tunnel shield construction according to claim 1, characterized in that: the two sides of the second feeding hole (202) are connected with guide rods (202a), the screening box (101) is correspondingly provided with guide grooves (101a), and the guide rods (202a) are connected with the guide grooves (101a) in a sliding mode.

3. The novel residual soil screening device for tunnel shield construction according to claim 2, characterized in that: the reciprocating driving unit (203) comprises a fixing rod (203a) connected to one side of the second feeding hole (202), an elastic piece (203b) is sleeved on the fixing rod (203a), a rack (203c) is connected to the other side of the second feeding hole (202), a sector gear (203d) is meshed above the rack (203c), and a first driving motor (203e) is connected to the sector gear (203 d).

4. The novel residual soil screening device for tunnel shield construction according to claim 3, characterized in that: vibration unit (303) include arc connecting block (303a), the both ends of arc connecting block (303a) are provided with connecting rod (303b) and first screening board (301) and second screening board (302) fixed connection respectively, arc connecting block (303a) top is connected with first spring (303c), first spring (303c) outside is provided with connecting box (303d), second screening board (302) below is connected with second spring (303e), second spring (303e) below is provided with connecting plate (303 f).

5. The novel residual soil screening device for tunnel shield construction according to claim 4, characterized in that: tooth (303g) are symmetrically arranged on the inner side wall of the arc-shaped connecting block (303a), and an incomplete gear (303h) is meshed between the tooth (303 g).

6. The novel residual soil screening device for tunnel shield construction according to claim 5, characterized in that: still including defeated material subassembly (400), defeated material subassembly (400) is including setting up defeated material axle (401) of second screening board (302) below, defeated material blade (402) of fixedly connected with on defeated material axle (401).

7. The novel residual soil screening device for tunnel shield construction according to claim 6, characterized in that: the side of screening case (101) is provided with rotation driving subassembly (500), rotation driving subassembly (500) are including second driving motor (501) of vertical setting, second driving motor (501) below be provided with first bevel gear pair (502) with incomplete gear (303h) are connected, second driving motor (501) below still be provided with second bevel gear pair (503) with defeated material axle (401) are connected.

8. The novel residual soil screening device for tunnel shield construction according to claim 7, characterized in that: and a box door (101b) is arranged on the hinged side wall of the screening box (101) close to the first screening plate (301) and the second screening plate (302), and the box door (101b) is hinged with the screening box (101).

9. The novel residual soil screening device for tunnel shield construction according to any one of claims 1 or 8, characterized in that: screening case (101) internal fixation intercommunication has discharging pipe (101c), be provided with the valve on discharging pipe (101c), the bottom of screening case (101) is provided with universal wheel (101d) convenient to remove, be provided with the brake spare on universal wheel (101 d).

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