CN218293591U - Shield tail brush structure convenient to change - Google Patents

Abstract

The utility model discloses a shield tail brush structure convenient to change, including steel plate base, wire brush, be equipped with preceding protection shield on the inner wall of steel plate base top, be equipped with back protection shield on the inner wall of steel plate base below, the inside of steel plate base inlays and is equipped with the wire brush, the wire brush includes horizontal part and rake, the interval is provided with a plurality of retainer plates on the horizontal part of wire brush, rectangular shape through-hole one, through-hole two and circular through-hole three have been seted up on the steel plate base respectively, through-hole two link up preceding protection shield perpendicularly downwards, be equipped with fixture block subassembly one on the retainer plate of wire brush tip, the wire brush is equipped with fixture block subassembly two on being close to the retainer plate of rake, fixture block subassembly slip joint is inside through-hole one, fixture block subassembly two slip joints are inside through-hole two. This shield tail brush structure convenient to change, the steel brush is dismantled and is changed conveniently.

Description

Shield tail brush structure convenient to change

Technical Field

The utility model belongs to the technical field of the shield tail brush, especially, relate to a shield tail brush structure convenient to change.

Background

A shield tail brush is required to be arranged between a shield tail and a duct piece of the shield machine, the shield tail brush generally adopts a steel wire brush and steel sheet pressing plate structure, grease is required to be filled in the steel wire brush, and shield tail grease is filled between two shield tail brushes in the tunneling process of the shield machine, so that the shield tail brush has elasticity and plasticity, and the slurry and water coming from the outside are blocked. In the existing shield construction, three or four shield tail brushes are generally used for a shield tail, and shield tail sealing grease is injected between the two shield tail brushes, so that the shield tail can be effectively sealed in the construction process.

The shield tail brush of the earth pressure balance type shield machine can be extruded by the duct piece during tunneling, and after the earth pressure balance type shield machine tunnels a certain distance, the earth pressure balance type shield machine can be extruded and abraded in different degrees, even solidified by mortar, and loses the sealing effect. Underground slurry and injected mortar can enter the shield body through the gap of the shield tail, so that inconvenience is brought to the tunneling work of the shield machine, the grouting amount cannot be ensured, and the displacement deformation of a duct piece which is out of the shield tail and stratum sinking are caused. The shield tail brush must be replaced when the damage is serious.

When current shield tail brush is using, mostly be in the same place through bolt fixed connection between its inside steel wire brush head and the steel sheet clamp plate, when follow-up the change, need utilize the instrument to dismantle the bolt get off, change the steel wire brush, follow-up to the reassembly of steel wire brush comparatively loaded down with trivial details and consuming time, reduced the use convenience of shield tail brush.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a shield tail brush structure convenient to change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield tail brush structure convenient to change, includes steel sheet base, wire brush, be equipped with preceding protection shield on the inner wall of steel sheet base top, be equipped with the back protection shield on the inner wall of steel sheet base below, the inside of steel sheet base inlays and is equipped with the wire brush, the wire brush includes horizontal part and rake, the interval is provided with a plurality of retainer plates on the horizontal part of wire brush, rectangular shape through-hole one, through-hole two and circular through-hole three have been seted up on the steel sheet base respectively, through-hole two link up preceding protection shield perpendicularly downwards, be equipped with fixture block subassembly one on the retainer plate of wire brush tip, the wire brush is close to and is equipped with fixture block subassembly two on the retainer plate of rake, fixture block subassembly one slides the joint inside through-hole one, fixture block subassembly two slides the joint inside through-hole two.

Furthermore, the fixture block assembly I comprises a first connecting column, a first fixture block and a pressing block, the first connecting column is vertically and fixedly connected to the corresponding fixing ring, the first fixture block is symmetrically arranged at the top and the bottom of the first connecting column, the pressing block is respectively arranged on the first connecting column and clings to the top and the bottom of the fixing ring, a spring is arranged inside the pressing block, and the top of the spring is fixedly connected with a spring block;

the fixture block assembly II comprises a connecting column II and a fixture block II, the connecting column II is vertically and fixedly connected to the corresponding fixing rings, and the top and the bottom of the connecting column II are symmetrically provided with the fixture block II.

Furthermore, spliced pole a slidable joint is inside rectangular shape through-hole one, but the bullet piece joint is inside through-hole three, spliced pole two slidable joints are inside rectangular shape through-hole two.

Compared with the prior art, the beneficial effects of the utility model are that: inside steel plate base is wholly pushed into from steel plate base side with the steel brush, utilize spliced pole a joint inside through-hole one, two joints of spliced pole are inside two through-holes, the bullet piece joint is inside three through-holes, it is fixed to carry out the joint to the steel brush, fixed convenient and fast, when needing to dismantle, inwards extrude the bullet piece, make the bullet piece pop out from three inside of through-hole, outwards stimulate fixture block one, fixture block two, take out the steel brush from steel plate base inside and change the maintenance, it is convenient to change, the convenience of use of shield tail brush has been improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a rear view structural diagram of fig. 1.

Fig. 3 is a schematic top view of the structure of fig. 1.

Fig. 4 is a schematic structural view of the steel plate base of the present invention.

Fig. 5 is a schematic view of the structure of the wire brush of the present invention.

Fig. 6 is a left-side view of the internal structure of fig. 5.

In the figure: the steel plate type steel wire brush fixing device comprises a steel plate base 1, a front protection plate 2, a rear protection plate 3, a steel wire brush 4, a fixture block assembly 5, a connection column 51I, a fixture block 52I, a pressing block 53, a fixture block assembly 6 II, a connection column 61 II, a fixture block 62 II, a fixing ring 7, a through hole 8I, a through hole 9 II, a through hole 10 III, a spring 11 and a spring block 12.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to the attached drawings 1-6, a shield tail brush structure convenient to replace comprises a steel plate base 1 and a steel wire brush 4, wherein a front protection plate 2 is arranged on the inner wall above the steel plate base 1, a rear protection plate 3 is arranged on the inner wall below the steel plate base 1, the front protection plate 2, the rear protection plate 3 and the steel plate base 1 are welded into an integral structure, the steel wire brush 4 is embedded in the steel plate base 1, the steel wire brush 4 comprises a horizontal part and an inclined part, a plurality of fixing rings 7 are arranged on the horizontal part of the steel wire brush 4 at intervals, a first elongated through hole 8, a second through hole 9 and a third circular through hole 10 are respectively formed in the steel plate base 1, the second through hole 9 vertically penetrates through the front protection plate 2 downwards, a first fixture block assembly 5 is arranged on the fixing ring 7 at the end part of the steel wire brush 4, a second fixture block assembly 6 is arranged on the fixing ring 7, close to the inclined part, the first fixture assembly 5 is slidably clamped inside the first through hole 8, the second fixture assembly 6 is slidably clamped inside the second through hole 9, and the first fixture block assembly 5 and the second fixture assembly 6 are both welded on the fixing ring 7.

Further, the fixture block assembly I5 comprises a first connecting column 51, a first fixture block 52 and a pressing block 53, the first connecting column 51 is vertically and fixedly connected to the corresponding fixing ring 7, the first fixture block 52 is symmetrically arranged at the top and the bottom of the first connecting column 51, the pressing blocks 53 are respectively arranged on the first connecting column 51 and close to the top and the bottom of the fixing ring 7, a spring 11 is arranged inside the pressing block 53, and an elastic block 12 is fixedly connected to the top of the spring 11;

the second fixture block assembly 6 comprises a second connecting column 61 and a second fixture block 62, the second connecting column 61 is vertically and fixedly connected to the corresponding fixing ring 7, and the second fixture block 62 is symmetrically arranged at the top and the bottom of the second connecting column 61.

Furthermore, the first connecting column 51 can be slidably clamped inside the first elongated through hole 8, the elastic block 12 can be clamped inside the third through hole 10, and the second connecting column 61 can be slidably clamped inside the second elongated through hole 9.

The working principle is as follows: inside steel plate base 1 is wholly pushed into from steel plate base 1 side with steel brush 4, utilize spliced pole 51 joint inside through-hole 8, spliced pole two 61 joints are inside two 9 through-holes, the 12 joints of bullet piece are inside three 10 through-holes, it is fixed to carry out the joint to steel brush 4, fixed convenient and fast, when needing to dismantle, inwards extrude bullet piece 12, make bullet piece 12 pop out three 10 inside through-holes downwards, and inside briquetting 53 impresses, then, outside pulling fixture block one 52, fixture block two 62, take out steel brush 4 from steel plate base 1 inside and change the maintenance, it is convenient to change, the convenience of use of shield tail brush has been improved.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (3)

1. The utility model provides a shield tail brush structure convenient to change, includes steel sheet base (1), steel brush (4), be equipped with preceding protection shield (2) on the inner wall of steel sheet base (1) top, be equipped with back protection shield (3) on the inner wall of steel sheet base (1) below, the inside of steel sheet base (1) is inlayed and is equipped with steel brush (4), steel brush (4) include horizontal part and rake, the interval is provided with a plurality of retainer plates (7) on the horizontal part of steel brush (4), its characterized in that:

the steel plate base is characterized in that a first long-strip-shaped through hole (8), a second through hole (9) and a third circular through hole (10) are formed in the steel plate base (1), the second through hole (9) penetrates through the front protection plate (2) downwards and vertically, a first fixture block assembly (5) is arranged on a fixing ring (7) at the end part of the steel brush (4), a second fixture block assembly (6) is arranged on the fixing ring (7) close to the inclined part of the steel brush (4), the first fixture block assembly (5) is slidably clamped inside the first through hole (8), and the second fixture block assembly (6) is slidably clamped inside the second through hole (9).

2. The shield tail brush structure convenient to replace of claim 1, characterized in that: the fixture block assembly I (5) comprises a connecting column I (51), a fixture block I (52) and a pressing block (53), the connecting column I (51) is vertically and fixedly connected to the corresponding fixing ring (7), the fixture block I (52) is symmetrically arranged at the top and the bottom of the connecting column I (51), the pressing block (53) is respectively arranged on the connecting column I (51) and close to the top and the bottom of the fixing ring (7), a spring (11) is arranged inside the pressing block (53), and an elastic block (12) is fixedly connected to the top of the spring (11);

the fixture block assembly II (6) comprises a connecting column II (61) and a fixture block II (62), the connecting column II (61) is vertically and fixedly connected to the corresponding fixing ring (7), and the fixture block II (62) is symmetrically arranged at the top and the bottom of the connecting column II (61).

3. The shield tail brush structure convenient to replace of claim 2, characterized in that: spliced pole one (51) slidable joint is inside rectangular shape through-hole one (8), but bullet piece (12) joint is inside through-hole three (10), spliced pole two (61) slidable joint is inside rectangular shape through-hole two (9).

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