Grouting and filtering device for foundation reinforcement

Abstract

The utility model provides a grouting filtering device for foundation reinforcement, which comprises a device outer shell, a device inner shell and a device outer shell, a grouting filter chamber and a conical conveying chamber are sequentially arranged on the device outer shell from right to left, a grouting opening is formed in the upper portion of the grouting filter chamber, a grout outlet is formed in the lower connecting position, the left end of the conical conveying chamber is connected with an elbow through a quick connector, a filter screen is arranged on the upper portion of the grout outlet, and a spiral shaft is fixed to the middle of the device outer shell and provided with rectangular blades at the grouting filter chamber. A spiral blade is arranged at the conical conveying chamber; the surface of the grouting filtering chamber outer shell is connected with a second support. The surface of the grouting conical conveying chamber outer shell is connected with a first support. The spiral shaft penetrates through the flange plate to be connected with the motor, and an outer flange of the flange plate is fixed with an outer fixing flange face bolt of the device outer shell grouting filtering chamber. The grouting filtering device for foundation reinforcement is high in filtering efficiency, it is guaranteed that materials flow evenly and continuously, and the output efficiency of impurities in the rear portion of slurry is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to grouting filtration technical field especially relates to a grouting filtration device for ground consolidation. BACKGROUND

[0002] Grouting is a ground treatment technology that uses pressure delivery equipment to inject slurry material with filling and cementing properties into the gap between soil particles, the interface of soil layers or the crack of rock layers, so that it diffuses, gels or solidifies to increase the strength of the stratum, reduce the permeability of the stratum, prevent the deformation of the stratum and perform the technology of underpinning.

[0003] At present, the ground that needs high-strength reinforcement, such as deep foundation or the foundation of important structures, may have a slurry solid content of more than 40%, sometimes even reaching 60% or more, but the filtering structure of the filtering device is not easy to disassemble, is easy to block and is not easy to clean, which is not practical. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a grouting filtration device for ground consolidation to solve the problem that the filtering structure of the filtering device is not easy to disassemble, is easy to block and is not easy to clean, which is not practical.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] The utility model provides a grouting filtration device for ground consolidation, which comprises a device shell body for filtering grouting slurry for ground reinforcement, a grouting filtration chamber and a conical conveying chamber from right to left, a grouting port is arranged on the upper part of the grouting filtration chamber, an outflow port is arranged at the lower connection of the grouting filtration chamber, a bend is connected to the left end of the conical conveying chamber through a quick connector, a filter screen is arranged on the upper part of the outflow port, a spiral shaft is fixed by a bearing in the middle of the device shell body, rectangular blades are arranged on the spiral shaft in the grouting filtration chamber, and spiral blades are arranged on the spiral shaft in the conical conveying chamber, a second support is connected to the surface of the shell body of the grouting filtration chamber of the device shell body, and a first support is connected to the surface of the shell body of the grouting conical conveying chamber of the device shell body, the spiral shaft is connected to a motor through a flange plate, and the outer flange of the flange plate is bolted to the outer fixed flange surface of the grouting filtration chamber of the device shell body.

[0007] Further, the left end of the spiral shaft is connected to the device shell body through a left bearing, the right end of the spiral shaft is connected to the flange plate through a right bearing, the right end surface of the spiral shaft is fixed with the right bearing through a right gasket, and the left bearing is fixed at the outlet of the conical conveying chamber of the device shell body through a bearing fixing seat and a right gasket.

[0008] Further, the spiral blades are tapered from the grouting filtering chamber to the conical conveying chamber, the spiral blades are variable-diameter constant-pitch spirals, and the outer diameter of the blades gradually decreases from the grouting filtering chamber to the conical conveying chamber; the rectangular blades are obliquely installed on the spiral shaft from the grouting filtering chamber to the conical conveying chamber, and the rectangular blades are evenly distributed in several groups along the central axis of the spiral shaft.

[0009] Further, the grouting filtering chamber of the device shell body is cylindrical, and a rectangular hole is formed in the bottom of the grouting filtering chamber, a filter screen is installed in the rectangular hole, and a gap is formed between the filter screen and the rectangular blades, the filter screen is installed on the upper part of the second support connecting plate, the second support connecting plate is connected with the device shell body, and the top of the second support is connected with the lower part of the second support connecting plate.

[0010] Further, the passageway of the grouting outlet is connected with the second support connecting plate.

[0011] Further, the conical conveying chamber of the device shell body is conical, and the inner diameter of the conical conveying chamber gradually decreases from the connection position with the grouting filtering chamber, a gap is formed between the spiral blades and the inner wall of the conical conveying chamber, a bearing fixing seat is arranged at the output port of the conical conveying chamber, the rectangular connecting rod is connected with the device shell body, the first support connecting plate is connected with the outer wall of the conical conveying chamber, and the lower part of the first support connecting plate is connected with the first support.

[0012] Further, the first support and the second support each include a horizontal fixing plate at the bottom, a first vertical connecting plate vertically welded with the horizontal fixing plate, and a second vertical connecting plate vertically welded with the first vertical connecting plate; the top of the first vertical connecting plate and the second vertical connecting plate in the first support is connected with the first support connecting plate, and the top of the first vertical connecting plate and the second vertical connecting plate in the second support is connected with the second support connecting plate.

[0013] Compared with the prior art, the grouting filtering device for foundation reinforcement has the following advantages: the grouting slurry for foundation reinforcement enters the grouting filtering chamber through the grouting outlet of the grouting filtering device for foundation reinforcement, the large-particle impurities in the slurry are intercepted on the filter screen, the rectangular blades stir the grouting slurry, and the filtering efficiency of the grouting filtering device for foundation reinforcement is improved. During the grouting slurry filtering process, the solid impurities are deposited on the filter screen, and are carried to the spiral blades by the rectangular blades. The spiral blades are variable-diameter constant-pitch spirals, which can ensure that the materials flow uniformly and continuously according to the flow characteristics of the materials and the geometric parameters of the spirals, and help to reduce the stagnation and accumulation of the materials during the conveying process, thereby improving the output efficiency of the impurities in the filtered slurry. The solid impurities are output to the elbow pipe through the spiral blades and are discharged, so that the grouting filtering device for foundation reinforcement can automatically discharge the impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0015] In the attached figure:

[0016] Figure 1 This is an axial schematic diagram of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic front view of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0018] Figure 3 AA is a schematic diagram of the front view of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0019] Figure 4 A side view schematic diagram of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0020] Figure 5 BB is a schematic diagram of a side view of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the spiral shaft side of the grouting and filtering device for foundation reinforcement according to an embodiment of the present utility model;

[0022] Figure 7 This is a schematic axial view of the outer shell of the grouting and filtering device for foundation reinforcement described in an embodiment of the present utility model.

[0023] Description of reference numerals:

[0024] 1. Device outer shell; 2. Grouting port; 3. Elbow; 4. First bracket; 5. Second bracket; 6. First bracket connecting plate; 7. Second bracket connecting plate; 8. Flange; 9. Motor; 11. Screw shaft; 12. Slurry outlet; 13. Filter; 14. Spiral blade; 15. Rectangular blade; 16. Quick connector. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0026] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0027] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0028] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] Referring to Figures 1-7 As shown in the figure, the embodiment provides a grouting filtering device for foundation reinforcement, which comprises a device shell body 1, which is used for filtering grouting slurry for foundation reinforcement;The device shell body 1 is sequentially provided with a grouting filtering chamber and a conical conveying chamber from right to left, a grouting port 2 is arranged at the upper part of the grouting filtering chamber, and a grouting outlet 12 is arranged at the lower connection part, the left end of the conical conveying chamber is connected with an elbow 3 through a quick connector 16, a filter screen 13 is arranged at the upper part of the grouting outlet 12, a bearing is fixed on the spiral shaft 11 in the middle of the device shell body 1, rectangular blades 15 are arranged on the spiral shaft 11 at the grouting filtering chamber, and spiral blades 14 are arranged at the conical conveying chamber;A second support 5 is connected to the surface of the shell body of the grouting filtering chamber of the device shell body 1, and a first support 4 is connected to the surface of the shell body of the grouting conical conveying chamber of the device shell body 1;The spiral shaft 11 is connected with a motor 9 through a flange plate 8, and the outer flange of the flange plate 8 is bolted with the outer fixed flange surface of the grouting filtering chamber of the device shell body 1.

[0030] Specifically, in this embodiment, the left end of the spiral shaft 11 is connected to the device shell 1 through the left bearing, the right end of the spiral shaft 11 is connected to the flange plate 8 through the right bearing, the right end surface of the spiral shaft 11 is fixed with the right bearing through the right gasket, and the left bearing is fixed at the outlet of the tapered conveying chamber of the device shell 1 through the bearing fixing seat and the right gasket.

[0031] Specifically, in this embodiment, the spiral blades 14 are arranged in a taper from the grouting filtering chamber to the tapered conveying chamber, the spiral blades 14 are variable-diameter constant-pitch spirals, and the outer diameter of the blades gradually decreases from the grouting filtering chamber to the tapered conveying chamber; the rectangular blades 15 are installed on the spiral shaft 11 in a direction from the grouting filtering chamber to the tapered conveying chamber, and the rectangular blades 15 are evenly distributed in several groups along the central axis of the spiral shaft 11.

[0032] Specifically, in this embodiment, the grouting filtering chamber of the device shell 1 is cylindrical in shape, and a rectangular hole is opened at the bottom of the grouting filtering chamber, and the filter screen 13 is installed in the rectangular hole. There is a certain gap between the filter screen 13 and the rectangular blades 15, the filter screen 13 is installed on the upper part of the second support connecting plate 7, the second support connecting plate 7 is connected to the device shell 1, and the top of the second support 5 is connected to the lower part of the second support connecting plate 7.

[0033] Specifically, in this embodiment, the passageway of the grout outlet 12 is connected to the second support connecting plate 7.

[0034] Specifically, in this embodiment, the tapered conveying chamber of the device shell 1 is conical in shape, and the inner diameter of the tapered conveying chamber gradually decreases from the connection with the grouting filtering chamber, a certain gap is provided between the spiral blades 14 and the inner wall of the tapered conveying chamber, the bearing fixing seat is provided at the outlet of the tapered conveying chamber, and the rectangular connecting rod is connected to the device shell 1, the first support connecting plate 6 is connected to the outer wall of the tapered conveying chamber, and the lower part of the first support connecting plate 6 is connected to the first support 4.

[0035] Specifically, in this embodiment, the first support 4 and the second support 5 each include a horizontal fixed plate at the bottom, a first vertical connecting plate vertically welded thereto, and a second vertical connecting plate vertically welded to the first vertical connecting plate; the top of the first vertical connecting plate and the second vertical connecting plate in the first support 4 is connected to the first support connecting plate 6, and the top of the first vertical connecting plate and the second vertical connecting plate in the second support 5 is connected to the second support connecting plate 7.

[0036] The grouting slurry for ground reinforcement enters the grouting filtering chamber through the grouting port of the grouting filtering device for ground reinforcement, the larger particle impurities in the slurry flow are intercepted on the filter screen, the rectangular blades stir the grouting slurry, and the filtering efficiency of the grouting filtering device for ground reinforcement is improved. In the grouting slurry filtering process, the solid impurities are deposited on the filter screen, are carried to the spiral blade by the rectangular blade, and are output. The spiral blade is a variable-diameter constant-pitch screw, and according to the flow characteristics of the material and the geometric parameters of the screw, the material can flow uniformly and continuously, the stagnation and accumulation of the material in the conveying process are reduced, and the output efficiency of the impurities in the filtered slurry is improved. The solid impurities are output to the elbow pipe by the spiral blade and are discharged, so that the grouting filtering device for ground reinforcement can automatically discharge the impurities.

[0037] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A grouting and filtering device for foundation reinforcement, characterized in that: The invention comprises an outer shell (1) of the device, which is used for filtering grouting slurry for foundation reinforcement; the outer shell (1) of the device is composed of a grouting filter chamber and a conical conveying chamber from right to left, the upper part of the grouting filter chamber is provided with a grouting port (2) and the lower part of the connection is provided with a slurry outlet (12), the left end of the conical conveying chamber is connected to an elbow (3) through a quick connector (16), the upper part of the slurry outlet (12) is provided with a filter screen (13), the middle part of the outer shell (1) of the device is fixed with a screw shaft (11), and the screw The shaft (11) is provided with a rectangular blade (15) at the grouting filter chamber and a spiral blade (14) at the conical conveying chamber; the outer shell surface of the grouting filter chamber of the device outer shell (1) is connected to the second bracket (5), and the outer shell surface of the grouting conical conveying chamber of the device outer shell (1) is connected to the first bracket (4); the spiral shaft (11) passes through the flange (8) and is connected to the motor (9); the outer flange of the flange (8) is fixed to the outer fixed flange surface of the grouting filter chamber of the device outer shell (1) by bolts.

2. The grouting and filtering device for foundation reinforcement according to claim 1, characterized in that: The left end of the spiral shaft (11) is connected to the outer shell (1) of the device through the left bearing, and the right end of the spiral shaft (11) is connected to the flange (8) through the right bearing. The right end face of the spiral shaft (11) is fixed to the right bearing through the right washer. The left bearing is fixed at the outlet of the tapered conveying chamber of the outer shell (1) of the device through the bearing fixing seat and the right washer.

3. The grouting and filtering device for foundation reinforcement according to claim 1, characterized in that: The spiral blades (14) are arranged in a conical shape from the grouting filter chamber to the conical conveying chamber. The spiral blades (14) are variable-diameter fixed-pitch spirals, and the outer diameter of the blades gradually decreases from the grouting filter chamber to the conical conveying chamber. The rectangular blades (15) are installed on the spiral shaft (11) in an inclined manner from the grouting filter chamber to the conical conveying chamber, and the rectangular blades (15) are evenly distributed in a plurality of groups along the central axis of the spiral shaft (11). The rectangular blades (15) are arranged in a plurality of groups along the central axis of the spiral shaft (11).

4. The grouting and filtering device for foundation reinforcement according to claim 1, characterized in that: The outer shape of the grouting filter chamber of the device outer shell (1) is cylindrical, and a rectangular hole is opened at the bottom of the grouting filter chamber. A filter screen (13) is installed in the rectangular hole. There is a certain gap between the filter screen (13) and the rectangular blades (15). The filter screen (13) is installed on the upper part of the second bracket connecting plate (7). The second bracket connecting plate (7) is connected to the device outer shell (1), and the top of the second bracket (5) is connected to the lower part of the second bracket connecting plate (7).

5. The grouting and filtering device for foundation reinforcement according to claim 4, characterized in that: The passage of the pulp outlet (12) is connected to the second bracket connecting plate (7).

6. The grouting and filtering device for foundation reinforcement according to claim 1, characterized in that: The outer shape of the conical conveying chamber of the device outer shell (1) is conical, and the inner diameter of the conical conveying chamber gradually decreases from the position where it is connected to the grouting filter chamber. A certain gap is provided between the spiral blade (14) and the inner wall of the conical conveying chamber. The bearing fixing seat is provided at the output port of the conical conveying chamber and is connected to the device outer shell (1) by a rectangular connecting rod. The first bracket connecting plate (6) is connected to the outer wall of the conical conveying chamber, and the lower part of the first bracket connecting plate (6) is connected to the first bracket (4).

7. The grouting and filtering device for foundation reinforcement according to claim 1, characterized in that: The first bracket (4) and the second bracket (5) both comprise a horizontal fixing plate at the bottom, a first vertical connecting plate vertically welded thereto, and a second vertical connecting plate vertically welded to the first vertical connecting plate; the tops of the first vertical connecting plate and the second vertical connecting plate in the first bracket (4) are connected to the first bracket connecting plate (6), and the tops of the first vertical connecting plate and the second vertical connecting plate in the second bracket (5) are connected to the second bracket connecting plate (7).

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