Grouting water stop device

Abstract

The utility model relates to a grouting water stop device, which belongs to the technical field of underground construction engineering and comprises an auxiliary hose and a three-way pipe body which are sequentially communicated through a pressure adjusting mechanism, an adjusting ring with a preset length is sleeved outside the three-way pipe body, and the adjusting ring is in threaded connection with the three-way pipe body through a first external thread. The auxiliary hose is sleeved with a pressure applying pipe, the pressure applying pipe is in threaded connection with an adjusting ring, the other two ports of the three-way pipe body are in threaded connection with an output pipeline and a pressure measuring meter respectively, the end, away from the three-way pipe body, of the pressure applying pipe is fixedly connected with multiple sets of elastic pressing pieces, and the adjusting ring and the pressure applying pipe generate relative displacement in the horizontal direction by rotating the adjusting ring. The elastic pressing piece is arranged on the adjusting ring so that the elastic pressing piece can continue to contract in the direction of the pressure applying pipe shaft after abutting against the adjusting ring, pressing and releasing of an input pipeline are achieved by changing the rotating direction of the adjusting ring, and the defect that pressure cannot be effectively controlled in the curtain grouting water stopping process is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of underground construction engineering, in particular to a grouting water-stopping device. Background Art

[0002] In modern construction projects, especially in areas involving underground engineering such as subways, tunnels, reservoirs, hydropower stations, and underground garages, the stability and safety of the foundation are of paramount importance. Groundwater infiltration not only affects project quality but can also pose serious safety hazards. Grouting water-stop curtain technology is widely used in the engineering community to address groundwater infiltration. This technology involves injecting a slurry of a certain concentration into the foundation soil through a certain number of grouting holes. The slurry diffuses and solidifies within the soil, forming a continuous water-stop curtain, effectively preventing groundwater infiltration. This technology has been widely used in multiple engineering projects and has achieved remarkable results due to its advantages such as simple construction, relatively low cost, and minimal disturbance to the foundation soil.

[0003] The patent with prior art announcement number CN221663426U discloses a grouting device for prestressed ducts of prefabricated box girders. The grouting device includes a pitch adjustment assembly and a grouting gun. The grouting gun includes a casting pipe, a positioning pipe, a flow regulating part and a connecting pipe connected in sequence. The positioning pipe is fixedly connected to the pitch adjustment assembly. The pitch adjustment assembly controls the pitch movement of the grouting gun, and the grouting gun is adjusted to a low point and is in a horizontal state.

[0004] Regarding the above-mentioned related technologies, in actual use, the actual pressure of the mortar near the grouting drill bit often changes due to factors such as the environment and pipeline transportation. The operator cannot intuitively judge the pressure of the mortar entering the grouting drill bit and cannot adjust it at any time, resulting in unstable pressure when pouring mortar. Utility Model Content

[0005] In order to be able to adjust the pressure of the mortar at the discharge port of the grouting machine at any time, the present application provides a grouting water-stopping device.

[0006] This application provides a grouting water-stopping device, which adopts the following technical solution:

[0007] A grouting water-stopping device comprises a grouting machine main body, a discharge port, a material barrel connected to the discharge port, and a moving mechanism for transporting the grouting machine main body, and also comprises a pressure regulating mechanism connected to the discharge port, the pressure regulating mechanism comprises an auxiliary hose and a three-way tube body which are connected in sequence, the outer wall of the three-way tube body is provided with a first external thread, an adjusting ring of a preset length is connected to the outer shell of the three-way tube body, the adjusting ring is threadedly connected to the three-way tube body through the first external thread, the outer shell of the auxiliary hose is provided with a pressure tube which matches the three-way tube body, the outer wall of the pressure tube is provided with a second external thread, the pressure tube is threadedly connected to the adjusting ring, the pressure tube is fitted with the three-way tube body, the other two ports of the three-way tube body are threadedly connected to the output pipe and the pressure gauge respectively, and the pressure tube is fixedly connected to one end away from the three-way tube body with multiple groups of elastic pressing plates.

[0008] By adopting the above technical solution, when working, the operator can rotate the adjusting ring by observing the pressure gauge, so that the adjusting ring and the pressure tube produce relative displacement in the horizontal direction. After the adjusting ring abuts against the elastic pressure plate, it continues to move in the direction of the elastic pressure plate. The adjusting ring applies pressure to the elastic pressure plate, and the elastic pressure plate bends inward under the force, applying pressure to the auxiliary hose, thereby tightening the input auxiliary hose and achieving the purpose of controlling the mortar flow rate and pressure. The adjusting ring is threadedly connected to the three-way pipe body to prevent the adjusting ring from being damaged or lost when not in use.

[0009] Furthermore, an annular groove is provided on the connection surface between the pressure tube and the three-way tube body, a rubber ring for sealing is embedded in the annular groove, and the rubber ring protrudes from the connection surface of the pressure tube.

[0010] By adopting the above technical solution, the annular groove and the rubber ring cooperate with each other to improve the sealing between the connection surface of the pressure tube and the three-way pipe body. Since the rubber ring protrudes from the connection surface of the pressure tube, the rubber ring generates horizontal tension between the connection surface of the pressure tube and the three-way pipe body, which plays a tightening role, preventing the adjustment ring from being displaced by vibration, thereby improving the stability of the device and the overall stability of the device.

[0011] Furthermore, a compression block for compressing the auxiliary hose is fixedly provided on the inner side of the elastic compression piece.

[0012] By adopting the above technical solution, the spring pressure piece can exert pressure on the auxiliary hose to achieve the purpose of controlling the mortar flow rate and pressure.

[0013] Furthermore, the plurality of elastic pressing sheets are arranged in a surrounding manner with the axis of the pressure tube as the center.

[0014] By adopting the above technical solution, the auxiliary hose is subjected to more uniform force, thereby increasing the service life of the input pipeline.

[0015] Furthermore, a through hole is opened at a position corresponding to the side wall of the grouting machine body and the discharge port, the through hole is connected to the discharge port, and a cover plate is fixed to the through hole port in a detachable manner through a connecting piece, and a sealing ring is fixed on the connection surface between the cover plate and the through hole.

[0016] By adopting the above technical solution, when the grouting machine is not in use, excess mortar cannot be discharged in time. The operator can open the cover and clean the mortar blocking the discharge port by flushing water into the through hole or using a long rod, thereby reducing the labor intensity of the operator and improving work efficiency.

[0017] Furthermore, a rubber plug column is provided on the inner side of the cover plate, and the rubber plug column is in contact with the inner wall of the through hole and extends into the through hole by a preset length.

[0018] By adopting the above technical solution, the mortar in the material barrel can flow out directly from the discharge port, and the rubber plug column with a preset length is extended to block the through hole to prevent the mortar from flowing into the through hole, thereby improving work efficiency.

[0019] Furthermore, the moving mechanism includes a base plate, the grouting machine body is fixed on the base plate, and rollers are installed at the four corners of the base plate.

[0020] By adopting the above technical solution, it is convenient for operators to move the grouting machine body.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. The utility model discloses a pressure regulating mechanism, comprising an auxiliary hose and a three-way pipe body which are connected in sequence, an adjusting ring of preset length is connected to the outer surface of the three-way pipe body, the adjusting ring is threadedly connected to the three-way pipe body through a first external thread, a pressure pipe is provided on the outer surface of the auxiliary hose, the pressure pipe is threadedly connected to the adjusting ring, the other two ports of the three-way pipe body are threadedly connected to the output pipe and the pressure gauge respectively, a plurality of groups of elastic pressure pieces are fixedly connected to one end of the pressure pipe away from the three-way pipe body, and the adjusting ring is rotated to make the adjusting ring and the pressure pipe produce relative displacement in the horizontal direction, so that the elastic pressure piece continues to contract toward the axial direction of the pressure pipe after abutting against the adjusting ring, and the input pipe is compressed and released by changing the rotation direction of the adjusting ring, which effectively solves the problem that the pressure cannot be effectively controlled during the curtain grouting and water-stopping process.

[0023] 2. The utility model has a through hole opened at a position corresponding to the discharge port on the side wall of the grouting machine body, the through hole is connected to the discharge port, and a cover plate is fixed at the through hole port in a detachable manner through a connecting piece. A sealing ring is fixed on the connecting surface of the cover plate and the through hole. When the grouting machine is not in use, excess mortar cannot be discharged in time. The operator can open the cover plate and clean the mortar blocking the discharge port by flushing water into the through hole or using a long rod, thereby reducing the labor intensity of the operator and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0025] Figure 2 It is a side rear view structural schematic diagram of the utility model.

[0026] Figure 3 It is a structural diagram of the pressure regulating structure of the utility model.

[0027] Figure 4 It is a schematic diagram used to show the internal structure of the grouting machine body.

[0028] Explanation of the accompanying symbols: 1. Grouting machine body; 2. Discharge port; 3. Material barrel; 4. Pressure adjustment mechanism; 41. Auxiliary hose; 42. Three-way pipe body; 43. First external thread; 44. Adjustment ring; 45. Pressure pipe; 46. Second external thread; 47. Elastic pressure piece; 471. Pressure block; 48. Pressure gauge; 5. Output pipe; 6. Bottom plate; 7. Roller; 8. Through hole; 9. Cover plate; 10. Rubber plug column. DETAILED DESCRIPTION

[0029] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The embodiments given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0030] The embodiment of the present application discloses a grouting water-stopping device.

[0031] Reference Figure 1 A grouting water-stopping device includes a grouting machine body 1, a discharge port 2, a material bucket 3 connected to the discharge port 2, and a moving mechanism for transporting the grouting machine body 1.

[0032] Reference Figure 1 The moving mechanism includes a base plate 6, the grouting machine body 1 is fixed on the base plate 6, and rollers 7 are installed at the four corners of the bottom of the base plate 6 to facilitate the operator to move the grouting machine body 1.

[0033] Reference Figures 1 to 3, and also includes a pressure regulating mechanism 4 connected to the discharge port 2. The pressure regulating mechanism 4 includes an auxiliary hose 41 and a three-way pipe body 42 that are connected in sequence. The outer wall of the three-way pipe body 42 is provided with a first external thread 43. The outer sleeve of the three-way pipe body 42 is connected with an adjustment ring 44 of a preset length. The adjustment ring 44 is threadedly connected to the three-way pipe body 42 through the first external thread 43. The outer sleeve of the auxiliary hose 41 is provided with a pressure pipe 45 that matches the three-way pipe body 42. The outer wall of the pressure pipe 45 is provided with a second external thread 46. The pressure pipe 45 is threadedly connected to the adjustment ring 44. The pressure pipe 45 is in contact with the three-way pipe body 42. The other two ports of the three-way pipe body 42 are respectively connected to the output pipe 5 and It is threadedly connected to the pressure gauge 48, and the pressure tube 45 is fixedly connected to one end away from the three-way tube body 42 with multiple groups of elastic pressure pieces 47. When working, the operator can rotate the adjusting ring 44 to make the adjusting ring 44 and the pressure tube 45 produce relative displacement in the horizontal direction. After the adjusting ring 44 abuts against the elastic pressure piece 47, it continues to move toward the elastic pressure piece 47. The adjusting ring 44 applies pressure to the elastic pressure piece 47, and the elastic pressure piece 47 bends inward under the force, applying pressure to the auxiliary hose 41, thereby tightening the input auxiliary hose 41 and achieving the purpose of controlling the mortar flow rate and pressure.

[0034] Reference Figures 1 to 3 The adjusting ring 44 is threadedly connected to the three-way pipe body 42 to prevent the adjusting ring 44 from being damaged or lost when not in use. A compression block 471 for compressing the auxiliary hose 41 is fixed on the inner side of the elastic compression piece 47. Multiple groups of elastic compression pieces 47 are arranged in a surrounding manner with the axis of the pressure tube 45 as the center, so that the auxiliary hose 41 is subjected to more uniform force, thereby improving the service life of the input pipeline 5 and facilitating the spring compression piece to apply pressure to the auxiliary hose 41 to achieve the purpose of controlling the mortar flow rate and pressure.

[0035] Reference Figures 1 to 3 An annular groove is provided on the connecting surface of the pressure tube 45 and the three-way tube body 42, and a rubber ring for sealing is embedded in the annular groove. The rubber ring protrudes from the connecting surface of the pressure tube 45. The annular groove and the rubber ring cooperate with each other to improve the sealing between the connecting surface of the pressure tube 45 and the three-way tube body 42. Since the rubber ring protrudes from the connecting surface of the pressure tube 45, the rubber ring generates horizontal tension between the connecting surface of the pressure tube 45 and the three-way tube body 42, which plays a tensioning role, preventing the adjustment ring 44 from being displaced by vibration, thereby improving the stability of the device and improving the overall stability of the device.

[0036] Reference Figures 2 to 4The mortar that is blocked by the discharge port 2 can be discharged in time by fixing the cover plate 9 with the cover plate 9 in a detachable manner. The operator can open the cover plate 9 and clean the mortar that is blocked by the discharge port 2 by flushing water into the through hole 8 or using a long rod, thereby reducing the labor intensity of the operator and improving the work efficiency. On the other hand, a plug column 10 is provided on the inner side of the cover plate 9, which fits the inner wall of the through hole 8 and extends the plug column 10 into the through hole 8 with a preset length, so that the mortar in the material barrel 3 can flow out directly from the discharge port 2. The plug column 10 with a preset length is extended to block the through hole 8 to prevent the mortar from flowing into the through hole 8, thereby improving the work efficiency.

[0037] The experimental principle of a grouting water-stopping device in an embodiment of the present application is: rotating the adjusting ring 44 causes the adjusting ring 44 and the pressure tube 45 to produce relative displacement in the horizontal direction, so that the elastic pressure plate 47 continues to shrink toward the axial direction of the pressure tube 45 after being fitted with the adjusting ring 44. By changing the rotation direction of the adjusting ring 44, the input pipe 5 is tightened and released, thereby achieving control of the mortar flow rate and pressure.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A grouting water-stopping device, comprising a grouting machine body (1), a discharge port (2), a material bucket (3) connected to the discharge port (2), and a moving mechanism for transporting the grouting machine body (1), characterized in that: The pressure regulating mechanism (4) is connected to the discharge port (2), and the pressure regulating mechanism (4) includes an auxiliary hose (41) and a three-way pipe body (42) connected in sequence. The outer wall of the three-way pipe body (42) is provided with a first external thread (43). The outer shell of the three-way pipe body (42) is connected with an adjusting ring (44) of a preset length. The adjusting ring (44) is threadedly connected to the three-way pipe body (42) through the first external thread (43). The outer shell of the auxiliary hose (41) is provided with a pressure pipe (44) that matches the three-way pipe body (42). 45), the outer wall of the pressure tube (45) is provided with a second external thread (46), the pressure tube (45) is threadedly connected to the adjusting ring (44), the pressure tube (45) is fitted with the three-way tube body (42), and the other two ports of the three-way tube body (42) are respectively threadedly connected to the output pipe (5) and the pressure gauge (48), and the pressure tube (45) is fixedly connected to one end away from the three-way tube body (42) with multiple groups of elastic pressing plates (47), and the inner walls of the multiple groups of elastic pressing plates (47) are in contact with the outer wall of the auxiliary hose (41).

2. A grouting water-stopping device according to claim 1, characterized in that: An annular groove is provided on the connection surface between the pressure tube (45) and the three-way tube body (42), and a rubber ring for sealing is embedded in the annular groove, and the rubber ring protrudes from the connection surface of the pressure tube (45).

3. A grouting water-stopping device according to claim 1, characterized in that: A compression block (471) for compressing the auxiliary hose (41) is fixedly provided on the inner side of the elastic compression piece (47).

4. A grouting water-stopping device according to claim 1, characterized in that: The plurality of groups of elastic pressing sheets (47) are arranged in a surrounding manner with the axis of the pressure tube (45) as the center.

5. A grouting water-stopping device according to claim 1, characterized in that: A through hole (8) is provided at a position corresponding to the discharge port (2) on the side wall of the grouting machine body (1), the through hole (8) is connected to the discharge port (2), a cover plate (9) is fixedly provided at the end of the through hole (8) via a connecting piece in a detachable manner, and a sealing ring is fixedly provided on the connection surface between the cover plate (9) and the through hole (8).

6. A grouting water-stopping device according to claim 5, characterized in that: A rubber plug column (10) is provided on the inner side of the cover plate (9), the rubber plug column (10) is in contact with the inner wall of the through hole (8), and the rubber plug column (10) extends into the through hole (8) by a preset length.

7. A grouting water-stopping device according to claim 1, characterized in that: The moving mechanism comprises a bottom plate (6), the grouting machine body (1) is fixed on the bottom plate (6), and rollers (7) are installed at the four corners of the bottom plate (6).

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