CN217409951U

CN217409951U - Shield constructs machine and adds and strain foam system

Info

Publication number: CN217409951U
Application number: CN202221298179.XU
Authority: CN
Inventors: 曾国军; 何伟; 唐高洪; 禹鹏飞; 胡桐; 史立锦; 张野
Original assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-13
Anticipated expiration: 2032-05-26

Abstract

The utility model belongs to the technical field of shield tunneling machine, in particular to a shield tunneling machine foam adding and filtering system, which comprises a stock solution tank, a mixed solution tank and foam branches; the raw liquid tank and the mixed liquid tank are connected through a first connecting pipeline, the mixed liquid tank is connected with a foam water interface through a second connecting pipeline, the mixed liquid tank is connected with each branch of foam through a third connecting pipeline, filter elements are arranged on the first connecting pipeline and the third connecting pipeline respectively, each filter element comprises a filter chamber, threaded connection parts are arranged at the left end and the right end of each filter chamber, an installation opening is formed in the top of each filter chamber, plugging plates are arranged in the installation openings, a plurality of filter screen plates are arranged at intervals at the bottoms of the plugging plates, a fixed plate is fixedly connected to the top end of each plugging plate, a positioning through groove is formed in each fixed plate, and each positioning through groove is clamped with a positioning lug fixedly connected to the top of each filter chamber; the both sides of fixed plate all are provided with and are used for carrying out the fixed establishment firm to the fixed plate.

Description

Shield constructs machine and adds and strain foam system

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is a shield constructs quick-witted foam system that adds and strains.

Background

The shield machine is used as tunnel driving equipment, is highly automatic construction equipment for collecting systems such as machine, electricity, liquid and measurement, and is mainly used for tunnel driving of large projects such as urban subways, highways, railways, water diversion projects and the like. The foam system mainly comprises water and stock solution, and has a series of functions of reducing cutter torque, increasing soil fluidity of the soil mass in the soil bin, controlling the pressure of the soil bin, reducing the temperature of the cutter and the like. Wherein the external water interface is provided with a filter element, and the raw liquid and foam water interfaces are not provided with filter elements. Because the environment of tunnel construction is relatively severe, impurities are easy to enter a foam system to cause abrasion failure of a foam pump (a screw pump), so that the failure rate of equipment is improved, the maintenance cost is increased, and negative influence is brought to shield construction. Therefore, the foam adding and filtering system of the shield machine is provided, so that the failure rate of the foam system is reduced, and the maintenance cost is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs machine and adds and strains foam system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a shield machine foam filtering system comprises a stock solution tank, a mixed solution tank and foam branches; the raw liquid tank and the mixed liquid tank are connected through a first connecting pipeline, the mixed liquid tank is connected with a foam water interface through a second connecting pipeline, the mixed liquid tank is connected with each branch of foam through a third connecting pipeline, filter elements are arranged on the first connecting pipeline and the third connecting pipeline respectively, each filter element comprises a filter chamber, threaded connection parts are arranged at the left end and the right end of each filter chamber, an installation opening is formed in the top of each filter chamber, plugging plates are arranged in the installation openings, a plurality of filter screen plates are arranged at intervals at the bottoms of the plugging plates, a fixed plate is fixedly connected to the top end of each plugging plate, a positioning through groove is formed in each fixed plate, and each positioning through groove is clamped with a positioning lug fixedly connected to the top of each filter chamber; the both sides of fixed plate all are provided with and are used for carrying out the fixed establishment firm to the fixed plate.

Preferably, the diameters of the filter holes on a plurality of filter screen plates are gradually reduced from left to right.

Preferably, the bottom of the filter screen plate is movably attached to the inner bottom wall of the filter chamber.

Preferably, the inner wall of filter chamber is close to threaded connection department rigid coupling and has solid fixed ring, gu fixed ring is provided with first sealing washer towards one side of threaded connection.

Preferably, a second sealing ring is arranged on the inner wall of the mounting opening, and the blocking plate penetrates through the second sealing ring in a sliding mode.

Preferably, the fixing mechanism comprises an inserting plate, one side of the inserting plate is inserted into the positioning through groove and connected with the positioning lug, the other side of the inserting plate is fixedly connected with a push plate, and the bottom of the push plate is in sliding connection with a moving groove formed in the top of the filtering chamber; and a spring is arranged between the inner side wall of the moving groove and the push plate.

Preferably, the fixing mechanism further comprises a vertical plate, the vertical plate is fixedly connected with the top of the filtering chamber, a T-shaped screw rod is spirally penetrated through the vertical plate, and the head end of the T-shaped screw rod is in threaded connection with a threaded hole formed in one side of the pushing plate.

Preferably, both sides of the fixing plate are provided with extending-in grooves communicated with the positioning through grooves, and the inserting plates are arranged corresponding to and matched with the extending-in grooves; the positioning lug is provided with a slot for connecting with the plug board, and the slot is clamped with the plug board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an increase the filter core at stock solution pump and mixed liquid pump front end, form foam system filtration system, make the liquid that gets into the system all filter through the filter core, stock solution after the filtration and mixed liquid impurity content greatly reduced have protected stock solution pump and mixed liquid pump not worn and torn to reduce equipment failure rate, reduce the dimension and protect the cost.

2. The utility model discloses well filter plate sets up in the bottom of shutoff board, and the top rigid coupling of shutoff board has the fixed plate, and the fixed plate leads to groove and location lug's block through the location and tentatively fixes at the top of filter chamber, and the firm mechanism of rethread stabilizes, has easy operation, and the characteristics of the dismouting of being convenient for conveniently take out and filter plate and clear up it.

Drawings

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

fig. 2 is a schematic view of the internal structure of the filter element of the present invention;

fig. 3 is a schematic structural view of the fixing plate of the present invention;

fig. 4 is a schematic structural diagram of the push plate of the present invention.

In the figure: 1. a stock solution tank; 2. a mixed liquid tank; 3. foam branches; 4. a first connecting line; 5. a second connecting line; 6. a foam water interface; 7. a third connecting pipeline; 8. a filter element; 80. a filtering chamber; 801. a moving groove; 81. a threaded connection; 82. an installation port; 821. a second seal ring; 83. a plugging plate; 84. a fixing plate; 841. positioning the through groove; 842. extending into the groove; 85. a filter screen plate; 86. positioning the bump; 861. a slot; 87. a fixing mechanism; 870. inserting plates; 871. pushing the plate; 872. a spring; 873. a vertical plate; 88. a fixing ring; 874. a T-shaped screw; 875. a threaded hole; 89. a first seal ring.

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 creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a shield machine foam adding and filtering system comprises a stock solution tank 1, a mixed solution tank 2 and foam branches 3; the raw liquid tank 1 is connected with the mixed liquid tank 2 through a first connecting pipeline 4, the mixed liquid tank 2 is connected with a foam water interface 6 through a second connecting pipeline 5, the mixed liquid tank 2 is connected with each branch 3 of foam through a third connecting pipeline 7, the first connecting pipeline 4 and the third connecting pipeline 7 are respectively provided with a filter element 8, the first connecting pipeline 4 and the third connecting pipeline 7 are respectively provided with a raw liquid pump and a mixed liquid pump (not shown in the figure), the filter element 8 is arranged at the front ends of the raw liquid pump and the mixed liquid pump to filter the raw liquid and the mixed liquid entering the pump body, the filter element 8 comprises a filter chamber 80, the left end and the right end of the filter chamber 80 are respectively provided with a threaded connection part 81 for threaded connection with the pipelines, the top of the filter chamber 80 is provided with a mounting port 82, a plugging plate 83 is arranged in the mounting port 82, a plurality of filter screen plates 85 are arranged at the bottom of the blocking plate 83 at intervals, a fixing plate 84 is fixedly connected to the top end of the blocking plate 83, a positioning through groove 841 is formed in the fixing plate 84, and the positioning through groove 841 is clamped with a positioning lug 86 fixedly connected to the top of the filter chamber 80; fixing mechanisms 87 for stabilizing the fixing plate 84 are arranged on two sides of the fixing plate 84, and a handle is arranged at the top of the fixing plate 84.

Furthermore, the diameters of the filter holes of the plurality of filter screen plates 85 are gradually reduced from left to right, and the filter screen plates are used for filtering particles with different particle sizes.

Further, the bottom of the filter screen plate 85 is movably attached to the bottom wall of the filter chamber 80.

Further, the inner wall of filter chamber 80 is close to threaded connection 81 department rigid coupling and has solid fixed ring 88, gu fixed ring 88 is provided with first sealing washer 89 towards one side of threaded connection 81, improves filter chamber 80's leakproofness, reduces the weeping condition.

Furthermore, a second sealing ring 821 is arranged on the inner wall of the mounting opening 82, and the blocking plate 83 is arranged to penetrate through the second sealing ring 821 in a sliding mode.

Further, the fixing mechanism 87 comprises an inserting plate 870, one side of the inserting plate 870 is inserted into the positioning through groove 841 and connected with the positioning protrusion 86, the other side of the inserting plate 870 is fixedly connected with a pushing plate 871, and the bottom of the pushing plate 871 is slidably connected with a moving groove 801 arranged at the top of the filtering chamber 80; a spring 872 is arranged between the inner side wall of the moving groove 801 and the push plate 871.

Further, the fixing mechanism 87 further comprises a vertical plate 873, the vertical plate 873 is fixedly connected with the top of the filtering chamber 80, a T-shaped screw rod 874 is spirally penetrated through the vertical plate 873, and the head end of the T-shaped screw rod 874 is in threaded connection with a threaded hole 875 arranged on one side of the push plate 871.

Further, both sides of the fixing plate 84 are provided with an extending groove 842 communicated with the positioning through groove 841, and the inserting plate 870 is arranged corresponding to and matched with the extending groove 842; the positioning protrusion 86 is provided with an insertion slot 861 for connecting with the insertion plate 870, and the insertion slot 861 is engaged with the insertion plate 870.

The working principle is as follows: when the foam system is used, the filter elements are added at the front end of the stock solution pump on the first connecting pipeline 4 and the front end of the mixed solution pump of the third connecting pipeline 7 to form a foam system filtering system, so that the liquid entering the system is filtered by the filter screen plate 85 in the filter element, the impurity content of the filtered stock solution and the filtered mixed solution is greatly reduced, the stock solution pump and the mixed solution pump are protected from being abraded, and the failure rate of equipment is reduced; when the filter screen plate 85 needs to be cleaned, the T-shaped screw rod 874 is rotated, the head end of the T-shaped screw rod 874 is spirally separated from the threaded hole 875 in the push plate 871, after separation, the push plate 871 is pushed, the push plate 871 drives the insert plate 870 to be drawn out from the insert groove 861 and extend into the groove 842, the fixing of the fixing plate 84 is released, after the insert plate 870 is drawn out, the T-shaped screw rod 874 is rotated, the head end of the T-shaped screw rod 874 is in threaded connection with the threaded hole 875 in the push plate 871, the push plate 871 is limited, and the push plate 871 is prevented from being clamped with the insert groove 861 under the elastic force of the spring 872; the fixing plate 84 is driven to move upwards by the handle at the top of the fixing plate 84, the positioning through groove 841 in the fixing plate 84 is separated from the positioning lug 86, meanwhile, the fixing plate 84 drives the plugging plate 83 to be drawn out from the mounting port 82, and the filter screen plate 85 is taken out from the mounting port 82, so that the operation is simple, and the filter screen plate 85 can be conveniently taken out for cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shield machine foam adding and filtering system is characterized by comprising a stock solution tank (1), a mixed solution tank (2) and foam branches (3); the raw liquid tank (1) is connected with the mixed liquid tank (2) through a first connecting pipeline (4), the mixed liquid tank (2) is connected with a foam water connector (6) through a second connecting pipeline (5), the mixed liquid tank (2) is connected with each branch of foam (3) through a third connecting pipeline (7), filter elements (8) are arranged on the first connecting pipeline (4) and the third connecting pipeline (7), each filter element (8) comprises a filter chamber (80), threaded connecting parts (81) are arranged at the left end and the right end of each filter chamber (80), a mounting opening (82) is formed in the top of each filter chamber (80), plugging plates (83) are arranged in the mounting openings (82), a plurality of filter screen plates (85) are arranged at intervals at the bottoms of the plugging plates (83), fixing plates (84) are fixedly connected at the top ends of the plugging plates (83), and positioning through grooves (841) are formed in the fixing plates (84), the positioning through groove (841) is clamped with a positioning lug (86) fixedly connected with the top of the filter chamber (80); and fixing mechanisms (87) used for stabilizing the fixing plate (84) are arranged on two sides of the fixing plate (84).

2. The shield tunneling machine filtering foam system according to claim 1, wherein: the diameters of the filter holes on the plurality of filter screen plates (85) are gradually reduced from left to right.

3. The shield tunneling machine filtering foam system according to claim 1, wherein: the bottom of the filter screen plate (85) is movably jointed with the inner bottom wall of the filter chamber (80).

4. The shield tunneling machine filtering foam system according to claim 1, wherein: the inner wall of filter chamber (80) is close to threaded connection portion (81) department rigid coupling and has solid fixed ring (88), gu fixed ring (88) are provided with first sealing washer (89) towards one side of threaded connection portion (81).

5. The shield tunneling machine filtering foam system according to claim 1, wherein: and a second sealing ring (821) is arranged on the inner wall of the mounting opening (82), and the blocking plate (83) penetrates through the second sealing ring (821) in a sliding mode.

6. The shield tunneling machine filtering foam system according to claim 1, wherein: the fixing mechanism (87) comprises an inserting plate (870), one side of the inserting plate (870) is inserted into the positioning through groove (841) and connected with the positioning lug (86), the other side of the inserting plate (870) is fixedly connected with a push plate (871), and the bottom of the push plate (871) is in sliding connection with a moving groove (801) formed in the top of the filtering chamber (80); a spring (872) is arranged between the inner side wall of the moving groove (801) and the push plate (871).

7. The shield tunneling machine filtering foam system according to claim 1, wherein: the fixing mechanism (87) further comprises a vertical plate (873), the vertical plate (873) is fixedly connected with the top of the filtering chamber (80), a T-shaped screw rod (874) penetrates through the vertical plate (873) in a spiral mode, and the head end of the T-shaped screw rod (874) is in threaded connection with a threaded hole (875) formed in one side of the pushing plate (871).

8. The shield tunneling machine filtering foam system according to claim 1, wherein: both sides of the fixing plate (84) are provided with extending grooves (842) communicated with the positioning through grooves (841), and the inserting plates (870) are arranged corresponding to and matched with the extending grooves (842); the positioning lug (86) is provided with a slot (861) used for being connected with the plug board (870), and the slot (861) is clamped with the plug board (870).