Sleeve valve pipe grouting gun capable of automatically regulating pressure

Abstract

The utility model discloses an automatic pressure regulating sleeve valve pipe grouting gun which comprises a sleeve valve pipe body, a pressure regulating mechanism is arranged on one side of the sleeve valve pipe body, the pressure regulating mechanism comprises a grouting gun body, a connecting plate is arranged on one side of the grouting gun body, and a first motor is fixedly connected to the middle axis of the top of the connecting plate. According to the sleeve valve pipe grouting gun capable of automatically adjusting the pressure, the pressure adjusting mechanism is arranged, a first motor is started, the first motor drives a driving gear to rotate, the driving gear drives a driven gear to rotate, the driven gear drives a grouting gun body to rotate, and the grouting gun body drives a grouting pipe to rotate, so that the overlapping area between the grouting pipe and a grout outlet hole can be adjusted; and a second motor is started, a lead screw is driven by the second motor to rotate, the lead screw drives a threaded cylinder to move, the threaded cylinder drives a rectangular plate to move, the rectangular plate drives an adjusting plate to move, the flow can be adjusted, and then the grouting pressure is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of sleeve valve tube grouting guns, in particular to an automatic pressure-regulating sleeve valve tube grouting gun. Background Art

[0002] When reinforcing foundations and tunnels, the sleeve valve tube grouting method is usually used to reinforce the foundations and tunnels by grouting. The reinforcing slurry is forcibly injected into the soil layer to be reinforced through the sleeve valve tube grouting gun, which plays a compaction and filling role, forcing part or most of the water and air in the pores of the soil layer to be discharged, thereby accelerating the consolidation and stabilization of the soil layer and reducing or controlling the uneven settlement of the foundation and tunnel.

[0003] The sleeve valve tube grouting gun is disclosed according to the patent document: CN214738079U, which involves the technical field of sleeve valve tube grouting reinforcement, comprising a sleeve valve tube, a grouting inner tube, and a double plug tube, wherein the double plug tube is connected to the bottom of the grouting inner tube and is slidably connected together in the sleeve valve tube, a sleeve shell material wrapping the sleeve valve tube is abutted against the outside of the sleeve valve tube, a plurality of grouting holes are provided on the outer wall of the sleeve valve tube, a plurality of rubber valves that close the grouting holes are fixedly provided on the outer wall of the sleeve valve tube, an inflation ring groove is provided in the area of ​​the outer wall of the sleeve valve tube surrounded by the rubber valves, an inflation ring tube is fixed in the inflation ring groove, an inflation cavity is provided in the sleeve valve tube which is connected to the inflation ring groove, an inflation tube that is connected to the inflation ring tube is fixed in the inflation cavity, and when the inflation ring tube is filled with gas, the rubber valve is pressed against the inner wall of the outer shell. The present application has the effect of improving the grouting reinforcement effect of the sleeve valve tube grouting gun on the reinforcement point.

[0004] At present, the traditional sleeve valve tube grouting gun does not have the function of automatically adjusting the working pressure during daily use, and cannot meet the timely adjustment of the grouting pressure in complex formations, resulting in insufficient grouting reinforcement strength, which cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a sleeve valve tube grouting gun with automatic pressure regulation to solve the problem proposed in the above-mentioned background technology that the current traditional sleeve valve tube grouting gun does not have the function of automatically regulating the working pressure during daily use, cannot meet the timely adjustment of the grouting pressure in complex formations, causes insufficient grouting reinforcement strength, and thus cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic pressure-regulating sleeve valve tube grouting gun, comprising a sleeve valve tube body, a pressure-regulating mechanism is arranged on one side of the sleeve valve tube body, the pressure-regulating mechanism comprises a grouting gun body, a connecting plate is arranged on one side of the grouting gun body, a first motor is fixedly connected to the central axis at the top of the connecting plate, a driving gear is fixedly connected to the output end of the first motor, a driven gear is meshed on one side of the driving gear, an inner cavity of the driven gear is fixedly connected to the grouting gun body, a hollow block is connected to the top of the grouting gun body, a second motor is arranged on the front side of the hollow block, a screw rod is fixedly connected to the output end of the second motor, a threaded barrel is threadedly connected to the surface of the screw rod, a rectangular plate is fixedly connected to the right side of the threaded barrel, an adjusting plate is fixedly connected to one side of the rectangular plate, a grouting pipe is provided at the bottom of the back side of the grouting gun body, and a slurry outlet hole is provided on the back side of the sleeve valve tube body.

[0007] Preferably, a sealing mechanism is provided on one side of the connecting plate, and the sealing mechanism includes an air pump, the bottom of the air pump is connected to a connecting pipe, one side of the connecting pipe is connected to a bellows, one side of the bellows is connected to an airbag, and the inner wall of the airbag is fixedly connected to the grouting gun body.

[0008] Preferably, a connecting seat is fixedly connected to the front side of the hollow block, and one side of the connecting seat is fixedly connected to the second motor.

[0009] Preferably, a telescopic column is fixedly connected to the rear end of the left side of the rectangular plate, a fixing seat is fixedly connected to one side of the telescopic column, and a fixing seat is fixedly connected to the hollow block on one side.

[0010] Preferably, a rectangular groove is opened on the right side of the hollow block, and a sealing ring is fixedly connected to the inner cavity of the rectangular groove, and a fixed pipe is connected to the top of the hollow block.

[0011] Preferably, one side of the connecting pipe is connected to a hollow pipe, and one side of the hollow pipe is movably connected to a control valve.

[0012] Preferably, the right side of the bottom of the connecting plate is movably connected to the grouting gun body through a bearing, and a movable hole is opened on the top of the connecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a pressure regulating mechanism, start the first motor, drive the driving gear to rotate through the first motor, drive the driven gear to rotate through the driving gear, drive the grouting gun body to rotate through the driven gear, and the grouting gun body drives the grouting pipe to rotate, so that the overlapping area between the grouting pipe and the slurry outlet hole can be adjusted, and then the grouting pressure can be adjusted, start the second motor, drive the screw rod to rotate through the second motor, drive the screw rod to move the threaded barrel, drive the rectangular plate to move, and the rectangular plate drives the adjusting plate to move, so as to adjust the flow rate and then adjust the grouting pressure.

[0015] 2. By setting up a sealing mechanism, after adjusting the position of the grouting gun body, start the air pump, and discharge the gas into the inner cavity of the air bag through the connecting pipe and the bellows, so that the outside of the air bag is in close contact with the sleeve valve tube body, thereby achieving a good sealing effect and avoiding leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the voltage regulating mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the hollow block of the utility model.

[0020] In the figure: 1. sleeve valve tube body; 2. pressure regulating mechanism; 201. grouting gun body; 202. connecting plate; 203. first motor; 204. driving gear; 205. driven gear; 206. grouting pipe; 207. slurry outlet hole; 208. hollow block; 209. second motor; 210. screw rod; 211. threaded cylinder; 212. rectangular plate; 213. adjusting plate; 214. fixing pipe; 215. telescopic column; 216. fixing seat; 3. sealing mechanism; 301. air pump; 302. connecting pipe; 303. bellows; 304. air bag. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: an automatic pressure-regulating sleeve valve tube grouting gun, comprising a sleeve valve tube body 1, a pressure regulating mechanism 2 is arranged on one side of the sleeve valve tube body 1, the pressure regulating mechanism 2 comprises a grouting gun body 201, a connecting plate 202 is arranged on one side of the grouting gun body 201, a first motor 203 is fixedly connected to the central axis at the top of the connecting plate 202, a driving gear 204 is fixedly connected to the output end of the first motor 203, a driven gear 205 is meshed with one side of the driving gear 204, an inner cavity of the driven gear 205 is fixedly connected to the grouting gun body 201, a hollow block 208 is connected to the top of the grouting gun body 201, a second motor 209 is arranged on the front of the hollow block 208, and the second motor 209 The output end is fixedly connected with a screw rod 210, the surface of the screw rod 210 is threadedly connected with a threaded tube 211, the right side of the threaded tube 211 is fixedly connected with a rectangular plate 212, and one side of the rectangular plate 212 is fixedly connected with an adjusting plate 213. A grouting pipe 206 is provided at the bottom of the back of the grouting gun body 201, and a slurry outlet hole 207 is provided on the back of the sleeve valve tube body 1. By setting the pressure regulating mechanism 2, the first motor 203 is started, and the first motor 203 drives the driving gear 204 to rotate, the driving gear 204 drives the driven gear 205 to rotate, the driven gear 205 drives the grouting gun body 201 to rotate, and the grouting gun body 201 drives the grouting pipe 206 to rotate, so that the grouting pipe 206 and the slurry outlet hole 207 can be adjusted. 7, and then adjust the grouting pressure, start the second motor 209, and the second motor 209 drives the screw rod 210 to rotate, the screw rod 210 drives the threaded cylinder 211 to move, the threaded cylinder 211 drives the rectangular plate 212 to move, and the rectangular plate 212 drives the adjustment plate 213 to move, so as to adjust the flow rate and then adjust the grouting pressure; the front side of the hollow block 208 is fixedly connected with a connecting seat, and one side of the connecting seat is fixedly connected to the second motor 209. By setting the connecting seat, the operation of the second motor 209 is stabilized, and the second motor 209 is limited; the rear end of the left side of the rectangular plate 212 is fixedly connected with a telescopic column 215, and one side of the telescopic column 215 is fixedly connected with a fixed seat 216, and the fixed seat 2 One side of 16 is fixedly connected to the hollow block 208, and the telescopic column 215 and the fixed seat 216 are provided to stabilize the operation of the rectangular plate 212 and provide balanced support for the rectangular plate 212; a rectangular groove is provided on the right side of the hollow block 208, and a sealing ring is fixedly connected to the inner cavity of the rectangular groove, and a fixed pipe 214 is connected to the top of the hollow block 208. By providing a sealing ring, a good sealing effect is achieved to prevent the material from flowing out through the gap between the rectangular groove and the adjusting plate 213; the right side of the bottom of the connecting plate 202 is movably connected to the grouting gun body 201 through a bearing, and a movable hole is provided on the top of the connecting plate 202. By providing a bearing, the operation of the grouting gun body 201 is stabilized, and the rotation of the grouting gun body 201 is convenient.

[0023] See also Figure 1 , Figure 2 and Figure 3 A sealing mechanism 3 is provided on one side of the connecting plate 202, and the sealing mechanism 3 includes an air pump 301, a connecting pipe 302 is connected to the bottom of the air pump 301, a bellows 303 is connected to one side of the connecting pipe 302, an air bag 304 is connected to one side of the bellows 303, and an inner wall of the air bag 304 is fixedly connected to the grouting gun body 201. By setting the sealing mechanism 3, after the position of the grouting gun body 201 is adjusted, the air pump 301 is started, and the gas is discharged into the inner cavity of the air bag 304 through the connecting pipe 302 and the bellows 303, so that the outer side of the air bag 304 is in close contact with the sleeve valve tube body 1, thereby achieving a good sealing effect and avoiding leakage; a hollow tube is connected to one side of the connecting tube 302, and a control valve is movably connected to one side of the hollow tube, so as to facilitate the discharge of the gas in the inner cavity of the air bag 304, thereby facilitating the height adjustment of the grouting gun body 201.

[0024] Working principle: by setting the pressure regulating mechanism 2, starting the first motor 203, driving the driving gear 204 to rotate through the first motor 203, driving the driven gear 205 to rotate through the driving gear 204, the driven gear 205 to rotate through the grouting gun body 201, the grouting gun body 201 drives the grouting pipe 206 to rotate, so that the overlapping area between the grouting pipe 206 and the grouting hole 207 can be adjusted, and then the grouting pressure can be adjusted, and the second motor 209 is started, and the second motor 209 drives the screw rod 210 to rotate, the screw rod 210 drives the threaded barrel 211 to move, the threaded barrel 211 drives the rectangular plate 212 to move, and the rectangular plate 212 drives the adjustment plate 213 to move, so that the flow rate can be adjusted, and then the grouting pressure can be adjusted;

[0025] By setting the sealing mechanism 3, after the position of the grouting gun body 201 is adjusted, the air pump 301 is started, and the gas is discharged into the inner cavity of the airbag bag 304 through the connecting pipe 302 and the bellows 303, so that the outer side of the airbag bag 304 is in close contact with the sleeve valve tube body 1, thereby achieving a good sealing effect and avoiding leakage.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sleeve valve tube grouting gun with automatic pressure regulation, comprising a sleeve valve tube body (1), characterized in that: A pressure regulating mechanism (2) is provided on one side of the sleeve valve tube body (1), and the pressure regulating mechanism (2) comprises a grouting gun body (201). A connecting plate (202) is provided on one side of the grouting gun body (201), and a first motor (203) is fixedly connected to the middle axis of the top of the connecting plate (202), and a driving gear (204) is fixedly connected to the output end of the first motor (203), and a driven gear (205) is meshed on one side of the driving gear (204), and the inner cavity of the driven gear (205) is fixedly connected to the grouting gun body (201), and the grouting gun body (201) The top of the grouting gun body (201) is connected to a hollow block (208), a second motor (209) is arranged on the front of the hollow block (208), a screw rod (210) is fixedly connected to the output end of the second motor (209), a threaded barrel (211) is threadedly connected to the surface of the screw rod (210), a rectangular plate (212) is fixedly connected to the right side of the threaded barrel (211), an adjustment plate (213) is fixedly connected to one side of the rectangular plate (212), a grouting pipe (206) is provided at the bottom of the back side of the grouting gun body (201), and a slurry outlet hole (207) is provided on the back side of the sleeve valve pipe body (1).

2. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 1 is characterized in that: A sealing mechanism (3) is provided on one side of the connecting plate (202), and the sealing mechanism (3) comprises an air pump (301). The bottom of the air pump (301) is connected to a connecting pipe (302), one side of the connecting pipe (302) is connected to a bellows (303), one side of the bellows (303) is connected to an air bag (304), and the inner wall of the air bag (304) is fixedly connected to the grouting gun body (201).

3. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 1 is characterized in that: A connecting seat is fixedly connected to the front side of the hollow block (208), and one side of the connecting seat is fixedly connected to the second motor (209).

4. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 1 is characterized in that: A telescopic column (215) is fixedly connected to the rear end of the left side of the rectangular plate (212), one side of the telescopic column (215) is fixedly connected to a fixing seat (216), and one side of the fixing seat (216) is fixedly connected to the hollow block (208).

5. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 1 is characterized in that: A rectangular groove is provided on the right side of the hollow block (208), and a sealing ring is fixedly connected to the inner cavity of the rectangular groove. The top of the hollow block (208) is connected to a fixed pipe (214).

6. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 2 is characterized in that: One side of the connecting pipe (302) is connected to a hollow pipe, and one side of the hollow pipe is movably connected to a control valve.

7. The sleeve valve tube grouting gun with automatic pressure regulation according to claim 1 is characterized in that: The right side of the bottom of the connecting plate (202) is movably connected to the grouting gun body (201) via a bearing, and a movable hole is provided on the top of the connecting plate (202).

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