CN213898984U

CN213898984U - Muddy water cutter stirring rod and shield cutter thereof

Info

Publication number: CN213898984U
Application number: CN202022904748.8U
Authority: CN
Inventors: 岳银鹏; 翟聪; 贾金见; 尹跃峰; 庞培彦; 陈昆鹏; 刘腾龙; 刘豪
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-06
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a muddy water cutter set stirring rod, including the stirring rod casing, be equipped with flexible steel brush in the stirring rod casing, flexible steel brush is connected with the flexible driving piece that the flexible steel brush of drive stretches out the stirring rod casing. The utility model drives the telescopic steel brush to extend out through the telescopic driving piece, and cleans the broken stone, the slag soil and the like at the bottom of the slurry door, so that the broken stone and the slag soil accumulated therein are loose and can be discharged along with slurry discharge; through being connected with the blade disc, follow the rotation of blade disc and rotate, the stirring clearance of being convenient for, the artifical scarfing cinder operation when this kind of clearance mode replaced closing the mud door, not only the cost is low moreover, and is with low costs, has improved the maintenance efficiency of breaker, grid moreover greatly, has shortened TBM's down time, has practiced thrift construction cost.

Description

Muddy water cutter stirring rod and shield cutter thereof

Technical Field

The utility model relates to a shield constructs technical field, especially relates to a muddy water cutter head stirring rod and shield constructs cutter head thereof.

Background

The slurry shield is suitable for the stratum such as a sand layer, a gravel layer, a pebble layer and the like, and is particularly suitable for river-crossing tunnels and submarine tunnels with large stratum water content, high stratum pressure and water bodies above. The air cushion balanced type slurry shield is provided with an air cushion bin and a slurry bin, the bottoms of the two bins are connected, a shield crusher, a grating and other structures are arranged in the air cushion bin, and a slurry door needs to be closed at first during maintenance to separate the air cushion bin from the slurry bin, so that the conditions of cleaning the residue soil at the bottom of the air cushion bin and maintaining the internal structure of the air cushion bin are met. When closing the mud door, need clear up the dregs of muddy water storehouse bottom, prevent to descend and close the in-process at the mud door, bottom dregs, rubble etc. hinder it and close. In the prior art, a method for cleaning the slag soil at the bottom of a slurry door is that a maintainer needs to firstly enter a bin under pressure to the position of the slurry door to clean the bottom, then returns to a safe area to wait for the closing of the slurry door, and then carries out maintenance operation after the slurry door is completely closed. Because personnel take the area and press the storehouse expense very high, so need a mechanical device to replace artifical clearance to the mud door bottom to improve the operating efficiency.

SUMMERY OF THE UTILITY MODEL

To foretell technical problem, the utility model provides a muddy water cutter head stirring rod and shield constructs blade disc thereof for through artifical clearance mud door bottom dregs, risk height, expense height, inefficiency scheduling problem among the solution prior art.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows:

the utility model provides a muddy water cutter set stirring rod, includes the stirring rod casing, be equipped with flexible steel brush in the stirring rod casing, flexible steel brush is connected with its flexible driving piece that stretches out the stirring rod casing of drive. The telescopic steel brush is controlled to extend out through the telescopic driving piece during cleaning, and broken stones, dregs and the like at the bottom of the slurry door are cleaned, so that the broken stones and dregs accumulated at the position are loose and can be discharged along with slurry discharge; after the cleaning is finished, the telescopic steel brush retracts into the stirring rod shell to avoid damage.

Further, in order to facilitate the extension and retraction of the telescopic steel brush, the telescopic driving part comprises a piston rod and a piston sleeve, the piston sleeve is sleeved on the piston rod, and the piston sleeve is in sliding fit with the piston rod.

Further, in order to enable the telescopic steel brush to be telescopic, the piston sleeve is connected with the telescopic steel brush, and the piston rod is connected with a hydraulic system.

Further, in order to avoid leakage of hydraulic oil, the piston sleeve is connected with the piston rod in a sealing mode through a sealing ring.

Further, in order to facilitate maintenance and replacement of the piston rod, the piston rod is detachably connected with the stirring rod shell through the piston rod mounting seat.

Furthermore, in order to facilitate the maintenance of the internal hydraulic oil circuit, an access door is arranged on the stirring rod shell.

A shield constructs the blade disc, includes above-mentioned any the mud water blade disc stirring rod, mud water blade disc stirring rod sets up in the muddy water storehouse and is corresponding with mud door bottom.

The utility model has the advantages that: the utility model drives the telescopic steel brush to extend out through the telescopic driving piece, and cleans the broken stone, the slag soil and the like at the bottom of the slurry door, so that the broken stone and the slag soil accumulated therein are loose and can be discharged along with slurry discharge; through being connected with the blade disc, follow the rotation of blade disc and rotate, the stirring clearance of being convenient for, the artifical scarfing cinder operation when this kind of clearance mode replaced closing the mud door, not only the cost is low moreover, and is with low costs, has improved the maintenance efficiency of breaker, grid moreover greatly, has shortened TBM's down time, has practiced thrift construction cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a shield tunneling machine according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of embodiment 1 of the present invention in use;

fig. 4 is a schematic structural view of the device of embodiment 1 of the present invention when it is not in use.

In the figure: 1-stirring rod shell, 2-piston rod mounting base, 3-telescopic steel brush, 4-access door, 5-piston rod and 6-piston sleeve.

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 to 4, a mud cutter stirring rod according to embodiment 1 of the present invention is disposed at the bottom of a mud sump of a shield machine, and is used for cleaning gravel and muck at the bottom of a mud door, the mud cutter stirring rod includes a stirring rod housing 1, a cavity is disposed in the stirring rod housing 1, a telescopic steel brush 3 is disposed in the cavity, one end of the stirring rod housing 1 is provided with an opening so that the telescopic steel brush 3 can extend out and retract on the stirring rod housing 1, the telescopic steel brush 3 is connected with a telescopic driving member, when in use, the telescopic driving member drives the telescopic steel brush 3 to extend out of the stirring rod housing 1, so as to clean gravel, muck and the like at the bottom of the mud door, so that the gravel and muck accumulated at the position are loose and can be removed along with slurry discharge; after the clearance finishes, flexible steel brush 3 makes the stirring rod casing 1 can protect flexible steel brush 3 to avoid damaging in the stirring rod casing. The stirring rod shell 1 is used for being connected to the cutter head, so that the stirring rod of the mud-water cutter head rotates along with the rotation of the cutter head, and broken stones and muck accumulated at the bottom of the mud door can be stirred into a loose shape. This kind of clearance mode replaces the artifical scarfing cinder operation when closing the mud door, and not only the cost is low moreover, and is with low costs, has improved the maintenance efficiency of breaker, grid moreover greatly, has shortened TBM's down time, has practiced thrift construction cost.

Further, as shown in fig. 1, the telescopic driving member includes a piston rod 5 and a piston sleeve 6, the piston rod 5 and the piston sleeve 6 are both located in the stirring rod housing 1, the piston sleeve 6 is sleeved on the piston rod 5, and the piston sleeve 6 is in sliding fit with the piston rod 5, so that the piston sleeve 6 and the piston rod 5 slide relatively to drive the telescopic steel brush 3 to extend out of or retract into the stirring rod housing 1.

Further, as shown in fig. 1, the piston sleeve 6 is connected with the telescopic steel brush 3, one end of the piston rod 5, which is far away from the piston sleeve 6, is connected with a hydraulic system, which is a hydraulic system of the shield tunneling machine itself, and the hydraulic system is communicated with the piston rod 5 through a hydraulic oil pipeline to send hydraulic oil between the piston sleeve 6 and the piston rod 5, so as to push the telescopic steel brush 3 to extend out of the stirring rod housing 1.

Further, as shown in fig. 1, the piston sleeve 6 is also connected with the piston rod 5 in a sealing manner through a sealing ring, so that the joint between the piston sleeve 6 and the piston rod 5 in the sliding process is always sealed, and the hydraulic oil is prevented from leaking.

Further, as shown in fig. 1, the piston rod 5 is detachably connected with the mixing rod housing through the piston rod mounting seat 2, so that the piston rod 5 is convenient to overhaul and replace. The piston rod mounting seat 2 is connected in the stirring rod shell 1, the piston rod mounting seat 2 is of a cylindrical structure, one end of the cylindrical structure, close to the opening of the stirring rod shell 1, is open and communicated with the opening of the stirring rod shell 1, the telescopic steel brush 3 can extend out of the opening, the other end of the cylindrical structure is provided with a bottom plate, and the piston rod 5 is fixedly arranged on the bottom plate in a penetrating manner; piston sleeve 6 and flexible steel brush 3 are located the shell-and-tube structure for during the maintenance, can take out piston rod 5, piston rod mount pad 2, piston sleeve 6 and flexible steel brush 3 together and overhaul the change, and flexible steel brush 3 passes through piston sleeve 6 and shell-and-tube structure sliding fit, so that flexible steel brush 3 can follow 1 opening of open end roll-off stirring rod casing of shell-and-tube structure.

Further, as shown in fig. 1, an access door 4 is arranged on the stirring rod shell 1, so that the internal structure can be conveniently accessed.

Embodiment 2, a shield constructs blade disc, includes as embodiment 1 the mud-water blade disc stirring rod, the mud-water blade disc stirring rod sets up in the muddy water storehouse and corresponds with mud door bottom, and the mud-water blade disc stirring rod rotates along with the rotation of blade disc with the blade disc is fixed and realizes rotating the stirring and clean to become loose the form with rubble, the dregs of a river of overstocking at mud door bottom, can get rid of along with the mud.

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 mud cutter head stirring rod, its characterized in that, includes stirring rod casing (1), be equipped with flexible steel brush (3) in stirring rod casing (1), flexible steel brush (3) are connected with its flexible driving piece that stretches out stirring rod casing (1) of drive.

2. A mud cutter agitator bar as claimed in claim 1, wherein the telescopic drive member comprises a piston rod (5) and a piston sleeve (6) fitted over the piston rod (5), and wherein the piston sleeve (6) is in sliding engagement with the piston rod (5).

3. A mud cutterhead muddler according to claim 2, wherein the piston sleeve (6) is connected to a telescopic steel brush (3) and the piston rod (5) is connected to a hydraulic system.

4. A mud cutterhead agitator bar as claimed in claim 3, wherein the piston sleeve (6) is also sealingly connected to the piston rod (5) by a sealing ring.

5. A mud-water cutterhead mixing rod according to any one of claims 2 to 4, wherein the piston rod (5) is detachably connected to the mixing rod housing (1) through a piston rod mounting seat (2).

6. A mud-water cutterhead muddler according to claim 5, wherein the muddler housing (1) is provided with an access door (4).

7. A shield tunneling machine cutterhead, characterized in that the shield tunneling machine cutterhead comprises the mud-water cutterhead stirring rod as claimed in any one of claims 1-6, and the mud-water cutterhead stirring rod is arranged in a mud sump and corresponds to the bottom of a mud door.