Pressure-resistant shield tail brush

Abstract

The utility model relates to shield tail brush technical field, and disclose a kind of pressure-resistant shield tail brush, including main part, the tail brush frame is fixed in the side of main part, the tail brush frame includes compression plate, and the both sides edge end of compression plate is fixed with extension edge, the outer wall of compression plate is attached with first spring plate, and the inner wall of compression plate is attached with steel wire brush, the center of steel wire brush is clamped with structure board, and the outer wall of structure board is fixed with second spring plate, the middle segment of steel wire brush is equipped with hoop band.The utility model is composed by compression plate and steel wire brush and protection plate, and structure board is embedded in the center of steel wire brush, to improve the stability of steel wire brush center structure, the corresponding spring plate structure is fixed on the side of compression plate and protection plate and structure board, to increase the pressure resistance of overall warping structure on the basis of distribution structure, improve the pressure resistance under long-term brushing use and pressure condition, reduce deformation and other conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to shield tail brush technical field, concretely is a pressure -resistant shield tail brush. BACKGROUND

[0002] Shield tail brush is one of five sealing devices of shield tunneling machine, is mainly used for blocking the communication of shield tunneling machine and segment outside, prevents the underground water, silt etc. from the annular gap between shield tunneling machine steel shell and already assembled segment into tunnel inside, it usually is by multiple steel wire brush -like sealing brush composition, forms airtight chamber between sealing brush, forms the dense flexible sealing barrier through pressure injection special shield tail grease, the core function of shield tail brush is to form life safety ring, through multiple sealing design and grease filling, effectively blocks external water, slurry into shield, guarantees tunnel operation environment dry safety, even under the harsh working condition such as deep water high pressure or segment misalignment, still can realize dynamic sealing.

[0003] The shield tail brush in prior art is mainly composed of each steel wire brush and steel plate and bottom plate structure, when shield tunneling machine is excavated in welding, shield tail brush contacts segment, grease fills the steel wire gap, forms elastic sealing barrier, adapts the displacement generated by segment assembly and deviation correction, and multiple sealing brushes and grease layer can dynamically adapt angle change when articulated oil cylinder adjusts shield tail posture, ensure sealing effect.

[0004] The above prior art has obvious beneficial effects, but still has the following problems:

[0005] The shield tail brush above needs frequent and long -term contact with segment when in use, and the shield tail brush is also in deformation state under pressure during the contact process, so the shield tail brush needs to have good pressure resistance, and the traditional shield tail brush structure has poor pressure resistance and is prone to deformation under long -term pressure environment, so that the contact surface is not completely fitted when subsequently contacting the segment, and there are problems such as leakage, therefore a pressure -resistant shield tail brush is provided. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a pressure -resistant shield tail brush, corresponding spring plate structure is fixed on the compression plate and the protection plate and the structure plate one side, so that the pressure resistance of the whole lifting structure can be increased on the basis of the distribution structure, and the pressure resistance under long -term brushing and pressure condition is improved.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a pressure-resistant shield tail brush, including main part, one side of main part is fixed with tail brush frame, the tail brush frame includes compression plate, and both side edge ends of compression plate are fixed with extension edge, the outer wall of compression plate is attached with first spring plate, and the inner wall of compression plate is attached with steel wire brush, the centre of steel wire brush is clamped with structure board, and the outer wall of structure board is fixed with second spring plate, the middle segment of steel wire brush is equipped with the hoop of steel wire brush, the bottom of steel wire brush is fixed with steel wire sheath, the top surface of steel wire brush is attached with protection plate, and the inner wall of protection plate is fixed with third spring plate, and the bottom extension of protection plate is equipped with the positioning hole, the bottom extension of compression plate and steel wire brush is fixed with steel wire compression sheet.

[0008] Preferably, the steel wire brush bottom end is fixedly connected with the steel wire sheath and the steel wire compression sheet, and two groups of steel wire brushes are distributed between the compression plate and the protection plate.

[0009] Preferably, the structure board is embedded along the center clamping layer of the steel wire brush, and the structure board is fixedly connected with the steel wire brush bottom end through the steel wire sheath and the steel wire compression sheet.

[0010] Preferably, the compression plate, the steel wire brush and the protection plate are correspondingly penetrated with the positioning hole, and the compression plate, the steel wire brush and the protection plate are clamped with one side of the main part.

[0011] Preferably, the extension edge is integrally fixedly connected with both side edge ends of the compression plate, and the compression plate, the steel wire brush and the protection plate end head are in a raised state.

[0012] Preferably, the main part includes a bottom plate frame, and one end of the bottom plate frame is fixedly connected with a fixed frame, an inner wall of the fixed frame is provided with a mounting cavity, the tail brush frame is clamped in the mounting cavity, and a top surface of the fixed frame is arranged with a fixed pin.

[0013] Preferably, the tail brush frame is fixed with the fixed frame through the fixed pin, and the fixed frame is integrally fixedly connected with the bottom plate frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、The utility model discloses a compression plate, a steel wire brush and a protection plate are composed, and a structure board is embedded in the center of the steel wire brush, so that the center structure of the steel wire brush is improved, the corresponding spring plate structure is fixed on one side of the compression plate, the protection plate and the structure board, so that the pressure resistance of the overall raised structure can be increased on the basis of the distribution structure, the pressure resistance under the long-term brushing use and the pressure condition is improved, and deformation and other conditions are reduced.

[0016] 2、The shield tail brush provides the stability of the installation bottom structure through the bottom plate frame, and the tail brush frame is stably combined through the mounting cavity of the fixed frame and the fixed pin of one end, so that the stability of the overall structure in the use process is maintained.

[0017] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the tail brush frame of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the steel wire brush in the tail brush frame of the utility model;

[0021] Figure 4 It is Figure 2 It is a schematic diagram of the enlarged structure at A in the middle.

[0022] In the drawing: 1, main body; 101, bottom plate frame; 102, fixed frame; 103, installation cavity; 104, fixed pin; 2, tail brush frame; 201, compression plate; 202, extension edge; 203, first spring plate; 204, steel wire brush; 205, structure plate; 206, second spring plate; 207, hoop; 208, steel wire sheath; 209, protection plate; 210, third spring plate; 211, positioning hole; 212, steel wire compression piece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The pressure-resistant tail brush of the present embodiment comprises a main body 1, a tail brush frame 2 is fixed on one side of the main body 1, the main body 1 comprises a bottom plate frame 101, one end of the bottom plate frame 101 is fixed with a fixed frame 102, an installation cavity 103 is formed in the inner wall of the fixed frame 102, the tail brush frame 2 is clamped in the installation cavity 103, and the top surface of the fixed frame 102 is arranged with a fixed pin 104.

[0025] As Figures 1-4As shown, the shield tail brush of this utility model is similar to the existing shield tail brush structure. The main improvement of this utility model is that by fixing corresponding spring plate structures on one side of the clamping plate 201, the protective plate 209, and the structural plate 205, the overall pressure resistance of the raised structure can be increased on the basis of the distributed structure, thereby improving the pressure resistance under long-term brushing use and pressure conditions. In this utility model, the spring plate and the wire brush 204 are existing technologies. When using this shield tail brush, it can be inserted into the bottom side of the tail brush frame 2 through the fixing frame 102 at the end of the base plate frame 101 and the opening of the mounting cavity 103. Then, the fixing pin 104 is inserted into the positioning hole 211 of the tail brush frame 2 to fix it, and then it can be put into use. The base plate frame 101 can be welded to the shield machine and filled with grease. The shield tail brush provides stability to the bottom structure of the installation through the base plate frame 101. At the same time, the mounting cavity 103 and the fixing pin 104 of the fixing frame 102 at one end are used to stably combine the tail brush frame 2, so as to maintain the stability of the overall structure during use.

[0026] like Figures 2-4 As shown, the tail brush holder 2 includes a clamping plate 201, with extension edges 202 fixed to both sides of the clamping plate 201. A first spring plate 203 is attached to the outer wall of the clamping plate 201, and a wire brush 204 is attached to the inner wall of the clamping plate 201. A structural plate 205 is clamped in the center of the wire brush 204, and a second spring plate 206 is fixed to the outer wall of the structural plate 205. A hoop 207 is fitted in the middle section of the wire brush 204, and a wire sheath 208 is fixed to the bottom end of the wire brush 204. A protective plate 209 is attached to the top surface of the wire brush 204, and a third spring plate 210 is fixed to the inner wall of the protective plate 209. A positioning hole 211 is provided at the bottom extension of the protective plate 209, and a wire clamping plate 212 is fixed to the bottom extension of the clamping plate 201 and the wire brush 204. During use, the end of the wire brush 204 is fixed by the wire sheath 208, and the bottom of the wire brush 204 is fixed to the pressure plate 201 by the wire clamping plate 212, which allows for assembly and use. The shield tail brush is composed of the pressure plate 201, the wire brush 204, and the protective plate 209. A structural plate 205 is embedded in the center of the wire brush 204, thereby improving the stability of the central structure of the wire brush 204. A corresponding first spring plate 203, second spring plate 206, and third spring plate 210 are fixed on one side of the pressure plate 201, the protective plate 209, and the structural plate 205. This increases the pressure resistance of the overall raised structure on the basis of the distributed structure, improves the pressure resistance under long-term brushing and pressure conditions, and reduces deformation.

[0027] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A pressure-resistant shield tail brush, comprising a main body (1), characterized in that, A tail brush holder (2) is pinned to one side of the main body (1). The tail brush holder (2) includes a clamping plate (201), and extension edges (202) are fixed to both sides of the clamping plate (201). A first spring plate (203) is attached to the outer wall of the clamping plate (201), and a wire brush (204) is attached to the inner wall of the clamping plate (201). A structural plate (205) is clamped in the center of the wire brush (204), and a second spring plate (206) is fixed to the outer wall of the structural plate (205). The middle section of the wire brush (204) is fitted with a hoop (207), the bottom end of the wire brush (204) is fixed with a wire sheath (208), the top surface of the wire brush (204) is fitted with a protective plate (209), and the inner wall of the protective plate (209) is fixed with a third spring plate (210), and the bottom extension of the protective plate (209) is provided with a positioning hole (211). The clamping plate (201) and the bottom extension of the wire brush (204) are fixed with wire clamping plates (212).

2. The pressure-resistant shield tail brush according to claim 1, characterized in that, The bottom end of the wire brush (204) is fixedly connected to the wire sheath (208) and the wire clamping plate (212), and two sets of wire brushes (204) are distributed between the clamping plate (201) and the protective plate (209).

3. A pressure-resistant shield tail brush according to claim 1, characterized in that, The structural plate (205) is embedded along the central interlayer of the wire brush (204), and the structural plate (205) is fixedly connected to the bottom end of the wire brush (204) through the wire sheath (208) and the wire clamping plate (212).

4. A pressure-resistant shield tail brush according to claim 1, characterized in that, The bottom ends of the pressing plate (201), the wire brush (204), and the protective plate (209) are respectively penetrated by positioning holes (211), and the bottom ends of the pressing plate (201), the wire brush (204), and the protective plate (209) are engaged with one side of the main body (1).

5. A pressure-resistant shield tail brush according to claim 1, characterized in that, The extended edge (202) is integrally fixedly connected to both sides of the pressing plate (201), and the ends of the pressing plate (201), the wire brush (204) and the protective plate (209) are raised.

6. A pressure-resistant shield tail brush according to claim 1, characterized in that, The main body (1) includes a base plate frame (101), and a fixing frame (102) is fixed at one end of the base plate frame (101). The inner wall of the fixing frame (102) is provided with an installation cavity (103), and the inner wall of the installation cavity (103) is fitted with a tail brush frame (2). Fixing pins (104) are arranged on the top surface of the fixing frame (102).

7. A pressure-resistant shield tail brush according to claim 6, characterized in that, The tail brush holder (2) is fixed to the fixed frame (102) by a fixing pin (104), and the fixed frame (102) is integrally fixedly connected to the base plate frame (101).

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