CN116892210B

CN116892210B - Sleeve valve pipe grouting device and grouting method

Info

Publication number: CN116892210B
Application number: CN202311153626.1A
Authority: CN
Inventors: 任成华; 韩雪冬; 方华; 刘辉; 高俊睿; 郭宁
Original assignee: Shenyang North Construction Co ltd
Current assignee: Shenyang North Construction Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2023-12-01
Anticipated expiration: 2043-09-08
Also published as: CN116892210A

Abstract

The invention provides a sleeve valve pipe grouting device and a sleeve valve pipe grouting method, and belongs to the technical field of geotechnical engineering grouting; the sleeve valve pipe grouting device comprises: the device comprises a containing tube, square through holes, an expansion plate, a cover plate, an operation rod, a first compression block, a moving block, a connecting rod, a grouting cavity, a grouting port, a first grouting port and a moving sleeve; the drill bit is arranged at the bottom of the accommodating tube so as to realize that the accommodating tube can drill holes on the ground; the moving block drives the expansion plate to rotate through the connecting rod, and the expansion plate is inserted into soil, so that the containing pipe is prevented from shifting in the drilled hole, the stability of the containing pipe is improved, and the subsequent grouting effect is improved; through upwards pulling removal sleeve pipe to adjust the second grout outlet and hold the relative position of pipe, make the thick liquids can follow the second grout outlet simultaneously and flow, thereby realize carrying out multilayer slip casting to soil, further promote the slip casting effect to soil.

Description

Sleeve valve pipe grouting device and grouting method

Technical Field

The invention belongs to the technical field of geotechnical engineering grouting, and particularly relates to a sleeve valve pipe grouting device and a grouting method.

Background

In the related art, the sleeve valve pipe grouting method is an economical and practical grouting process, has the greatest advantages of strong adaptability and convenience, and is widely applied to the engineering of pavement reinforcement treatment, building deviation correction, foundation reinforcement, seepage prevention and leakage stoppage and the like. The main process of sleeve valve pipe grouting is as follows: after the holes are drilled by a drilling machine, the sleeve valve pipe is placed into the drilled holes.

The prior art (publication number: CN 112252329B) discloses a grouting reinforcement application construction method for a soft foundation sleeve valve pipe, which comprises a puncher main body, a grouting pipeline and a grouting sleeve valve pipe, wherein a moving mechanism is arranged at the top end of the puncher main body and comprises pulleys, two groups of pulleys are fixedly connected with a bottom plate, two groups of bottom plate tops are fixedly connected with a supporting frame, the inner sides of the two groups of supporting frames are fixedly connected with a first connecting rod, and one end of the first connecting rod, far away from the supporting frame, is fixedly connected with a first storage bin. According to the invention, the foundation can be perforated simultaneously through the rotation of the servo motor at a fixed angle, the operation flow of casing material filling and grouting is carried out, the efficiency of the device is improved, the first discharging pipe and the second discharging pipe can be opened and closed through the rotation of the first placing cavity and the second placing cavity, and the quantitative grouting of the foundation is realized through the rotation of the servo motor after a certain time.

By adopting the structure, the sleeve valve pipe is required to be drilled and then put in, so that at least two steps are required, and the grouting efficiency is reduced; meanwhile, when the soil is too soft, the drill bit is pulled out or the sleeve valve tube is put into the sleeve valve tube, the inner wall of the hole is easily damaged, so that the hole collapses, and the subsequent grouting effect on the soil is reduced.

Disclosure of Invention

In order to solve the problems in the prior art that the sleeve valve pipe needs to be drilled firstly and then put in, at least two steps are needed, and grouting efficiency is reduced; meanwhile, when the soil is too soft, the drill bit is pulled out or the sleeve valve pipe is put into the sleeve valve pipe, so that the inner wall of the hole is easily damaged, the hole is collapsed, and the problem of the subsequent grouting effect on the soil is reduced. Simultaneously, can also avoid when the soil property of soil is too soft, because of the condition emergence of destroying the hole inner wall when extracting the drill bit and putting into sleeve valve pipe to avoid the hole to take place to collapse, with the slip casting effect to the soil of promotion follow-up. The specific technical scheme is as follows:

A sleeve valve tube grouting device, the sleeve valve tube grouting device comprising: the device comprises a containing tube, square through holes, an expansion plate, a cover plate, an operation rod, a first compression block, a moving block, a connecting rod, a grouting cavity, a grouting port, a first grouting port and a moving sleeve; the accommodating pipe is a hollow cavity with an opening at the top, and a drill bit is arranged at the bottom of the accommodating pipe; the square through hole is arranged on the side wall of the accommodating tube and is positioned above the drill bit; the expansion plate is rotationally connected with the side wall of the accommodating tube and is buckled on the square through hole; the cover plate is internally provided with a threaded hole, a first internal thread is arranged in the threaded hole, and the cover plate is buckled at the opening of the accommodating pipe; the outer wall of the operating rod is provided with a first external thread, and the operating rod passes through a threaded hole of the cover plate; the section of the first compression block is trapezoid, and the first compression block is rotationally connected with one end of the operating rod, which is away from the cover plate; one side of the moving block is an inclined plane, the inclined plane of the moving block is attached to the side wall of the first compression block, and one side of the moving block, which is away from the first compression block, is opposite to the square through hole; one end of the connecting rod is rotationally connected with the moving block, and the other end of the connecting rod is rotationally connected with the expansion plate; the grouting cavity is arranged in the accommodating pipe; the grouting opening is arranged at the top of the accommodating pipe and is communicated with the grouting cavity; the first slurry outlet is arranged on the side wall of the accommodating pipe and is communicated with the grouting cavity; the side wall of the movable sleeve is provided with a second slurry outlet, the movable sleeve is wound on the outer side of the accommodating pipe, the first slurry outlet is positioned in the movable sleeve, and the movable sleeve is positioned above the expansion plate; wherein, first internal thread and first external screw thread looks adaptation.

In addition, the sleeve valve pipe grouting device in the technical scheme provided by the invention can also have the following additional technical characteristics:

in the above technical scheme, the sleeve valve pipe grouting device further comprises: a first ball, a second external thread, and a first mounting cap; the first ball is arranged at one end of the operating rod, which is close to the first compression block, and is embedded into the first compression block; the second external thread is arranged on the outer wall of one end, close to the first ball, of the first compression block; the first mounting cover is internally provided with a second internal thread, the first mounting cover is sleeved on the outer side of the first compression block, and the first ball is embedded into the first mounting cover; wherein, second external screw thread and second internal screw thread looks adaptation, and first ball and action bars are integrated into one piece structure.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the second ball, the second mounting cover, the third ball and the third mounting cover; the second ball is connected with one end of the connecting rod, which is close to the moving block, and is embedded into the moving block; the second mounting cover is connected with the moving block, and the second ball is embedded into the second mounting cover; the third ball is connected with one end of the connecting rod, which is close to the expansion plate, and is embedded into the expansion plate; the third mounting cover is connected with the expansion plate, and the third balls are embedded in the third mounting cover.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the device comprises a first grouting pipeline, a second grouting pipeline, a communicating pipe, a tee joint block, a first communicating hole, a second communicating hole and a discharging pipe; the first grouting pipeline sequentially passes through the operating rod and the first ball; the second grouting pipeline passes through the first compaction block and is communicated with the first grouting pipeline; the communicating pipe is a hollow cavity with openings at two ends, is connected with one side of the first compaction block, which is away from the operating rod, and is communicated with the second grouting pipeline; the three-way block is a hollow cavity, is embedded into the accommodating pipe and is arranged at the bottom of the accommodating pipe; the first communication hole is arranged at the top of the three-way block, and the communication pipe is embedded in the first communication hole; two second communication holes are arranged at two sides of the three-way block; the discharging pipe is a hollow cavity with openings at two ends, one end of the discharging pipe is communicated with the second communication hole, and the discharging pipe penetrates through the side wall of the accommodating pipe; wherein, the discharging pipe is located below the expansion plate.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: a support portion and a first spring; the supporting part is arranged on the side wall of the moving block; the first spring is sleeved on the outer side of the moving block, one end of the first spring is connected with the supporting part, and the other end of the first spring is connected with the inner wall of the accommodating tube; wherein, the supporting part and the movable block are of an integrated structure.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the sliding groove, the first sealing ring and the second sealing ring; the sliding groove is arranged on the outer wall of the accommodating pipe, and one end of the movable sleeve close to the expansion plate is embedded into the sliding groove; the first sealing ring is an elastic body, the first sealing ring is connected with one end of the movable sleeve close to the expansion plate, the first sealing ring is attached to the outer wall of the accommodating pipe, and at least part of the first sealing ring is embedded into the sliding groove; the second sealing ring is an elastomer, the second sealing ring is connected with one end of the movable sleeve, which is away from the expansion plate, and the second sealing ring is attached to the outer wall of the accommodating tube.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the device comprises a positioning groove, a positioning frame, a positioning rod, a positioning part, a second spring, a second compression block, a compression rod, a yielding groove, a limiting plate and a third spring; the plurality of positioning grooves are arranged on the outer wall of the movable sleeve; the positioning frame is connected with one end of the movable sleeve, which is away from the expansion plate; the positioning rod passes through the positioning frame, and at least part of the positioning rod is embedded into the positioning groove; the positioning part is wound on the outer side of the positioning rod; the second spring is sleeved on the outer side of the positioning rod, one end of the second spring is attached to the accommodating tube, and the other end of the second spring is connected with the positioning part; one side of the second compression block is provided with an inclined plane, the second compression block is connected with the positioning part, and the second compression block is positioned above the positioning rod; the bottom of the pressing rod is provided with an inclined plane, the pressing rod penetrates through the top of the positioning frame, and the inclined plane at the bottom of the pressing rod is attached to the inclined plane of the second pressing block; the abdication groove is arranged at one end of the compression rod, which is close to the positioning rod, and the abdication groove is wound on the outer side of the positioning rod; the limiting plate is connected with the compression rod and is positioned above the positioning frame; the third spring is sleeved on the outer side of the pressing rod, one end of the third spring is connected with the limiting plate, and the other end of the third spring is connected with the positioning frame; wherein the spring constant of the third spring is greater than the spring constant of the second spring.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the first lifting rope, the second lifting rope and the guide rod; the first lifting rope is connected with the positioning frame; the second lifting rope is connected with the limiting plate; the guide rod is connected with the positioning part and penetrates through the positioning frame.

In the above technical scheme, the sleeve valve pipe grouting device further comprises: the connecting vertical plate, the connecting hole, the connecting transverse plate, the abdication hole and the hand wheel; the two connecting vertical plates are connected with the top of the accommodating pipe, and the two connecting vertical plates are positioned at two sides of the cover plate; the two connecting holes are respectively arranged on the two connecting vertical plates; the connecting transverse plate is connected with the two connecting vertical plates at the same time, and the connecting transverse plate is positioned above the operating rod; the abdication hole is arranged on the connecting transverse plate and is opposite to the operating rod; the hand wheel is sleeved on the outer side of the operating rod, and the hand wheel is positioned below the connecting transverse plate.

A grouting method of a sleeve valve pipe grouting device comprises the following steps: s1, embedding an output shaft of a drilling machine between two connecting vertical plates, enabling the output shaft of the drilling machine to be attached to a connecting transverse plate, and connecting the output shaft of the drilling machine with the two connecting vertical plates through connecting holes; s2, starting the drilling machine, so that the drilling machine drives the containing tube and the drill bit to drill holes on the preset position of the ground; s3, after the drill bit drills to a preset depth, the output shaft of the drilling machine is detached from the space between the two connecting vertical plates; s4, rotating the hand wheel to enable the hand wheel to drive the operating rod to move downwards while rotating in the first threaded hole, so that the operating rod drives the first compressing block to move downwards through the first ball, the first compressing block drives the communicating pipe to be embedded into the first communicating hole on the three-way block, and the first compressing block drives the two moving blocks to move outwards; s5, when the two moving blocks move outwards, the two moving blocks push the expansion plate to rotate outwards through the connecting rod, so that the expansion plate is embedded into soil; s6, the output end of the grouting pump is communicated with a grouting pipe, and the grouting pipe is communicated with a first grouting pipeline in the operating rod after passing through the abdication hole; s7, starting a grouting pump, enabling slurry to flow into the three-way block through the grouting pipe, the first grouting pipe, the second grouting pipe and the communicating pipe, and enabling the slurry to flow out of the accommodating pipe through the discharging pipe, so that bottom grouting is carried out on soil; s8, after the bottom grouting of the soil pond is completed, the grouting pipe is detached from the operating rod, and the grouting pipe is communicated with the grouting port; s9, starting a grouting pump to enable slurry to flow into a grouting cavity, and enabling the slurry to flow into a gap between the movable sleeve and the accommodating pipe through a first slurry outlet; then, the slurry flows out from a second slurry outlet on the movable sleeve, so that the soil is subjected to two-layer grouting; s10, after two layers of grouting are carried out on the soil, the second lifting rope is pulled upwards, so that the second lifting rope drives the pressing rod to move upwards to be separated from the positioning part; the second spring is reset, so that the second spring drives the positioning part and the positioning rod to move in the direction away from the accommodating tube, and the positioning rod is separated from the positioning groove; s11, pulling the first lifting rope upwards to enable the first lifting rope to drive the positioning frame and the movable sleeve to move upwards; at the moment, the second lifting rope is stopped being pulled, the third spring is reset, and the limiting plate and the pressing rod are driven to move downwards; at the moment, the second compression block and the positioning rod are pressed by the compression rod to move towards the direction of the accommodating tube; s12, when the positioning rod is opposite to the positioning groove, the positioning rod is embedded into the positioning groove, so that the movable sleeve is positioned, and the relative position of the second slurry outlet and the accommodating pipe is adjusted; s13, restarting the grouting pump to enable the slurry to flow out from a second slurry outlet on the movable sleeve, so that the soil is subjected to three-layer grouting; and S14, repeating the steps S10 to S13 to realize multi-layer grouting of the soil until the foundation grouting is finished.

Compared with the prior art, the sleeve valve pipe grouting device and the sleeve valve pipe grouting method have the beneficial effects that:

1. the drill bit is arranged at the bottom of the accommodating tube so as to realize that the accommodating tube can drill holes on the ground; the movable block drives the expansion plate to rotate through the connecting rod, and the expansion plate is inserted into soil, so that the containing pipe is prevented from shifting in the drilled hole, the stability of the containing pipe is improved, a gap between the containing pipe and the hole is not required to be made up by the shell material, the production cost is reduced, the production efficiency is improved, and the subsequent grouting effect is also improved; through upwards pulling removal sleeve pipe to adjust the second grout outlet and hold the relative position of pipe, make the thick liquids can follow the second grout outlet simultaneously and flow, thereby realize carrying out multilayer slip casting to soil, further promote the slip casting effect to soil.

By adopting the structure, the functions of drilling and grouting can be realized simultaneously, and a mode of drilling and then grouting by putting the sleeve valve pipe is not needed, so that the grouting efficiency is improved; simultaneously, can also avoid when the soil property of soil is too soft, because of the condition emergence of destroying the hole inner wall when extracting the drill bit and putting into sleeve valve pipe to avoid the hole to take place to collapse, with the slip casting effect to the soil of promotion follow-up.

2. Through making the action bars rotate with first compact heap and be connected to realize when the action bars rotates the limit and remove, the action bars can drive first compact heap along linear movement, and avoid first compact heap to rotate, so as to ensure that first compact heap can press the movable block to move to the outside, in order to promote the use experience of product.

3. Through making the both ends of connecting rod rotate with movable block and expansion plate respectively and be connected to promote the flexibility ratio that movable block and expansion plate are connected, thereby increase expansion plate turned angle, and then promote the expansion plate and insert the degree of depth of soil, with the stability that promotes the product.

4. When the operating rod and the first ball press the first compression block to move downwards, the communicating pipe also moves downwards along with the first compression block until the communicating pipe is embedded into the first communicating hole of the three-way block; then, the grouting pump is communicated with the first grouting pipeline of the operating rod, so that when the grouting pump is started, the slurry is injected into the three-way block through the first grouting pipeline, the second grouting pipeline and the communicating pipe, and the slurry injected into the three-way block flows out through the discharging pipe, and further, the grouting of soil is completed. Because the discharging pipe is located the below of expansion plate, consequently realize carrying out the slip casting to the below of expansion plate, further realize carrying out multilayer slip casting to soil to promote the effect of slip casting.

5. Through setting up supporting part on the lateral wall of movable block, with first spring suit in the outside of movable block, be connected the one end and the supporting part of first spring, and be connected the other end of first spring with the inner wall that holds the pipe, in order to realize holding the pipe and support the movable block through first spring and supporting part, thereby ensure that the movable block can follow the horizontal direction and remove, simultaneously, can also realize when first compact heap breaks away from mutually with the movable block, first spring resets, in order to drive movable block incasement side and remove, thereby drive expansion plate to inside rotation, and then make the expansion plate detain and establish on square through-hole.

6. The first sealing gasket and the second sealing gasket are respectively connected with the two ends of the movable sleeve, and the first sealing ring and the second sealing ring are attached to the outer wall of the accommodating pipe so as to seal the joint of the accommodating pipe and the movable sleeve, thereby improving the tightness of the movable sleeve.

7. Under the normal state, the third spring is in the normal state, the pressing rod is attached to the positioning rod, the positioning rod is embedded into the abdication groove, and the pressing rod is attached to the positioning part; meanwhile, the positioning rod is embedded into the positioning groove, and the second spring is in a compressed state, so that the movable sleeve is fixed on the outer side of the accommodating pipe through the positioning rod, and the stability of the movable sleeve is improved. When the movable sleeve is ready to be pulled upwards, the pressing rod is pulled upwards, so that the pressing rod is separated from the positioning part, the second spring is reset, the second spring drives the positioning rod and the positioning part to move in the direction deviating from the positioning groove, and the positioning rod is separated from the positioning groove; then, the locating rack is pulled upwards to drive the locating rack and the movable sleeve to move upwards; at the moment, the pressing rod is stopped being pulled, the third spring is reset, the pressing rod is driven to move downwards, and the second pressing block, the positioning part and the positioning rod are pressed by the pressing rod to move towards the positioning groove; when the locating rod is opposite to the locating groove above, the locating rod is embedded into the locating groove, so that the locating rack and the movable sleeve are located, the moving distance of the movable sleeve is limited, and the fixed-distance layered grouting of soil is realized.

8. The first lifting rope is connected with the locating frame, and the second lifting rope is connected with the limiting plate, so that the locating frame and the limiting plate are driven to move upwards through the first lifting rope and the second lifting rope respectively, and the workers can move outside the holes conveniently. The guide rod is connected with the positioning part, and the guide rod penetrates through the positioning frame to realize synchronous movement of the positioning part and the guide rod and move in the positioning frame, so that the guide rod is guided by the positioning frame, the positioning part and the positioning rod are prevented from shifting when moving, the positioning rod is prevented from rotating, and the pressing rod is ensured to press the second pressing block to move.

9. The connecting transverse plates are connected simultaneously, and the connecting transverse plates are located above the operating rods, so that two connecting transverse plates and the connecting transverse plates form a stable frame structure, stability of the two connecting transverse plates is improved, and meanwhile, the output shaft pair of the drilling machine can be limited by the connecting transverse plates, so that the output shaft of the drilling machine and the operating rods are prevented from interfering. The hand wheel is sleeved on the outer side of the operating rod and positioned below the connecting transverse plate, so that the operating rod is driven to rotate by the hand wheel, and the difficulty of rotating the operating rod is reduced; through setting up the hole of stepping down on connecting the diaphragm to make the hole of stepping down opposite with the action bars, in order to avoid the action bars to interfere with connecting the diaphragm, simultaneously, can also be convenient for grouting pump and action bars to be linked together.

10. Through the step S1 and the step S2, the drilling machine is connected with the product, so that the drilling machine drives the containing pipe and the drill bit to drill the ground; the expansion plate can be embedded into the soil through the steps S3 to S5, so that the stability of the accommodating pipe is improved, and the accommodating pipe is prevented from being deviated; through the steps S6 to S8, the slurry A-static first grouting pipeline, the second grouting pipeline and the communicating pipe flow into the tee block, and the slurry flowing into the tee block flows out through the discharging pipe, so that grouting of the bottom layer of the soil is completed; through step S9 to step S14, the multi-layer grouting of the soil is realized, and therefore the grouting effect of the soil is improved.

Drawings

FIG. 1 is one of the sectional views of a sleeve valve pipe grouting device of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a partial enlarged view at D of FIG. 1;

FIG. 6 is a second cross-sectional view of a sleeve grouting device according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at E;

FIG. 8 is an enlarged view of a portion of FIG. 6 at F;

FIG. 9 is an enlarged view of a portion at G of FIG. 6;

FIG. 10 is a perspective view of a hold down bar of the present invention;

FIG. 11 is a flow chart of a grouting method of a sleeve valve pipe grouting device of the invention;

wherein, the correspondence between the reference numerals and the component names in fig. 1 to 10 is:

the device comprises a 10 accommodating tube, a 11 drill bit, a 12 square through hole, a 13 expansion plate, a 14 cover plate, a 15 operating rod, a 16 first compressing block, a 17 moving block, a 18 connecting rod, a 19 grouting cavity, a 20 grouting opening, a 21 first grouting opening, a 22 moving sleeve, a 23 second grouting opening, a 24 first ball, a 25 first mounting cover, a 26 second ball, a 27 second mounting cover, a 28 third ball, a 29 third mounting cover, a 30 first grouting pipe, a 31 second grouting pipe, a 32 communicating pipe, a 33 tee block, a 34 first communicating hole, a 36 discharging pipe, a 37 supporting part, a 38 first spring, a 39 sliding groove, a 40 first sealing ring, a 41 second sealing ring, a 42 positioning groove, a 43 positioning frame, a 44 positioning rod, a 45 positioning part, a 46 second spring, a 47 second compressing block, a 48 compressing rod, a 49 yielding groove, a 50 limiting plate, a 51 third spring, a 52 first lifting rope, a 53 second lifting rope, a 54 guiding rod, a 55 connecting riser, a 56 connecting hole, a 57 connecting transverse plate, a yielding hole, and a 59.

Detailed Description

The invention will be further described with reference to specific embodiments and figures 1-11, but the invention is not limited to these embodiments.

As shown in fig. 1 to 10, the sleeve grouting device includes: the device comprises a containing tube 10, a square through hole 12, an expansion plate 13, a cover plate 14, an operating rod 15, a first compression block 16, a moving block 17, a connecting rod 18, a grouting cavity 19, a grouting port 20, a first grouting port 21 and a moving sleeve 22; the accommodating tube 10 is a hollow cavity with an opening at the top, and a drill bit 11 is arranged at the bottom of the accommodating tube 10; square through holes 12 are provided on the side walls of the accommodation tube 10, and the square through holes 12 are located above the drill bit 11; the expansion plate 13 is rotatably connected with the side wall of the accommodating tube 10, and the expansion plate 13 is buckled on the square through hole 12; a threaded hole is formed in the cover plate 14, a first internal thread is formed in the threaded hole, and the cover plate 14 is buckled at the opening of the accommodating tube 10; the outer wall of the operating rod 15 is provided with a first external thread, and the operating rod 15 passes through a threaded hole of the cover plate 14; the section of the first compression block 16 is trapezoid, and the first compression block 16 is rotationally connected with one end of the operating rod 15, which is away from the cover plate 14; one side of the moving block 17 is an inclined plane, the inclined plane of the moving block 17 is attached to the side wall of the first compression block 16, and one side of the moving block 17, which is away from the first compression block 16, is opposite to the square through hole 12; one end of the connecting rod 18 is rotationally connected with the moving block 17, and the other end of the connecting rod 18 is rotationally connected with the expansion plate 13; a grouting chamber 19 is provided in the accommodating tube 10; the grouting port 20 is arranged at the top of the accommodating tube 10, and the grouting port 20 is communicated with the grouting cavity 19; the first slurry outlet 21 is arranged on the side wall of the accommodating tube 10, and the first slurry outlet 21 is communicated with the grouting cavity 19; the side wall of the movable sleeve 22 is provided with a second slurry outlet 23, the movable sleeve 22 is wound on the outer side of the accommodating pipe 10, the first slurry outlet 21 is positioned in the movable sleeve 22, and the movable sleeve 22 is positioned above the expansion plate 13; wherein, first internal thread and first external screw thread looks adaptation.

By providing the bottom of the containment tube 10 with a drill bit 11, it is achieved that the containment tube 10 can be drilled in the ground by means of the drill bit 11. By arranging at least two square through holes 12 on the side wall of the accommodating tube 10, connecting the expansion plate 13 with the side wall of the accommodating tube 10 in a rotating way, and buckling the expansion plate 13 on the square through holes 12, the expansion plate 13 can seal the square through holes 12, and the expansion plate 13 can rotate relative to the accommodating tube 10; the cover plate 14 is buckled at the opening of the accommodating tube 10, and the operating rod 15 passes through the threaded hole of the cover plate 14, so that the operating rod 15 is in threaded connection with the cover plate 14. The first compression block 16 is rotationally connected with one end of the operation rod 15, which is far away from the cover plate 14, and the inclined surface of the moving block 17 is attached to the side wall of the first compression block 16, so that when the operation rod 15 rotates in the threaded hole and moves downwards, the operation rod 15 drives the first compression block 16 to move downwards, and the first compression block 16 presses the two moving blocks 17 to move outwards; through the one end and the movable block 17 swivelling joint of connecting rod 18 to the other end and the expansion plate 13 swivelling joint of connecting rod 18, in order to realize when the outside of movable block 17 case removes, the movable block 17 drives expansion plate 13 outside rotation through connecting rod 18, thereby realizes that expansion plate 13 can imbed in the soil. By disposing the grouting chamber 19 in the accommodating tube 10, disposing the grouting port 20 at the top of the accommodating tube 10, and communicating the grouting port 20 with the grouting chamber 19, it is achieved that the grouting material can be injected into the grouting chamber 19 through the grouting port 20; by providing the first outlet 21 on the side wall of the receiving roll and communicating the first outlet 21 with the grouting chamber 19, it is achieved that the slurry in the grouting chamber 19 can flow out through the first outlet 21. By winding the movable sleeve 22 around the outer side of the accommodating tube 10, a second slurry outlet 23 is formed in the side wall of the movable sleeve 22, and the first slurry outlet 21 is positioned in the movable sleeve 22, so that slurry flowing out of the grouting cavity 19 flows into a space between the movable sleeve 22 and the accommodating tube 10 and can flow out of the second slurry outlet 23, and grouting of soil is realized.

When the product is specifically used, the accommodating tube 10 is connected with the drilling machine, so that the drilling machine can mobilize the accommodating tube 10 and the drill bit 11 to rotate, and drilling is carried out on the ground; when the accommodating pipe 10 and the drill bit 11 drill the ground to a predetermined depth, the operating rod 15 is rotated, so that the operating rod 15 moves downwards while rotating in the threaded hole in the cover plate 14; when the operation rod 15 moves downwards, the operation rod 15 drives the first compression block 16 to move downwards, and the first compression block 16 presses the moving block 17 to move outwards, so that the moving block 17 drives the expansion plate 13 to rotate through the connecting rod 18, and the expansion plate 13 is inserted into soil, so that the containing pipe 10 is prevented from being deviated, and the stability of the containing pipe 10 is improved; then, the grouting pump is communicated with the grouting port 20; then, the grouting pump is started, so that the slurry is injected into the grouting cavity 19 through the grouting port 20 and flows into the space between the movable sleeve 22 and the accommodating tube 10 from the first grouting port 21; then, the slurry flowing into the space between the movable sleeve 22 and the accommodating tube 10 flows out through the second slurry outlet 23, thereby realizing the grouting of the soil; after grouting is completed on one layer of soil, stopping the grouting pump; then, the movable sleeve 22 is pulled upwards, so that the second slurry outlet 23 also moves upwards, and the relative position of the second slurry outlet 23 and the accommodating tube 10 is adjusted; and then, starting the grouting pump again to enable the slurry to flow out through the second slurry outlet 23, so that the multi-layer grouting of the soil is realized.

By arranging the drill bit 11 at the bottom of the containment tube 10, it is achieved that the containment tube 10 is capable of drilling the ground; the moving block 17 drives the expansion plate 13 to rotate through the connecting rod 18, and the expansion plate 13 is inserted into soil, so that the containing tube 10 is prevented from shifting in the drilled hole, the stability of the containing tube 10 is improved, a gap between the containing tube 10 and the hole is not required to be made up by a shell material, the production cost is reduced, the production efficiency is improved, and the subsequent grouting effect is also improved; through upwards pulling moving sleeve 22 to adjust the relative position of second grout outlet 23 and holding pipe 10, make the thick liquids can follow second grout outlet 23 simultaneously, thereby realize carrying out multilayer slip casting to soil, further promote the slip casting effect to soil.

By adopting the structure, the functions of drilling and grouting can be realized simultaneously, and a mode of drilling and then grouting by putting the sleeve valve pipe is not needed, so that the grouting efficiency is improved; meanwhile, the situation that the inner wall of the hole is damaged when the drill bit 11 is pulled out and the sleeve valve pipe is put into the sleeve valve pipe can be avoided when the soil is too soft, so that the hole is prevented from collapsing, and the follow-up grouting effect on the soil is improved.

Specifically, the second grout outlet 23 is provided with a rubber sleeve or a check valve. When the second slurry outlet 23 is provided with the rubber sleeve, the second slurry outlet 23 flows out of the slurry to jack up the rubber sleeve, so that grouting of soil is realized; the grouting is stopped, and the rubber sleeve seals the second grout outlet 23 to avoid the grout from flowing backward.

In particular, the grouting chamber 19 and the receiving tube 10 may be formed by casting. The grouting cavity 19 may also be turned, that is, the grouting cavity 19 is first machined in the accommodating pipe 10 in the turning direction, and then a sealing plate is additionally arranged above the grouting cavity 19 in a welding manner, so as to form a sealing plate structure.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a first ball 24, a second external thread and a first mounting cap 25; the first ball 24 is arranged at one end of the operating rod 15 close to the first compression block 16, and the first ball 24 is embedded in the first compression block 16; the second external thread is provided on the outer wall of the end of the first pressing block 16 near the first ball 24; the first mounting cover 25 is internally provided with a second internal thread, the first mounting cover 25 is sleeved on the outer side of the first compression block 16, and the first ball 24 is embedded into the first mounting cover 25; wherein, second external screw thread and second internal screw thread looks adaptation, and first ball 24 and action bars 15 are integrated into one piece structure.

The first ball 24 is arranged at one end of the operating rod 15 close to the first compression block 16, and the first ball 24 is embedded into the first compression block 16, so that when the operating rod 15 rotates and moves downwards, the operating rod 15 drives the first ball 24 to rotate in the first compression block 16, and the first ball 24 presses the first compression block 16 to move downwards, thereby avoiding the rotation of the first compression block 16 and ensuring the first compression block 16 to move along a straight line. Through setting up the second external screw thread on the outer wall of first compact heap 16, with first installation lid 25 suit in the outside of first compact heap 16 to make first ball 24 imbed in first installation lid 25, in order to realize first installation lid 25 and first compact heap 16 threaded connection, thereby realize that first installation lid 25 compresses tightly first ball 24 in first compact heap 16, simultaneously, when operation lever 15 counter-rotating and upward movement, first ball 24 drives first compact heap 16 upward movement through first installation lid 25.

By adopting the structure, the operation rod 15 and the first compression block 16 can be rotationally connected, so that when the operation rod 15 rotates and moves, the operation rod 15 can drive the first compression block 16 to linearly move, and the first compression block 16 is prevented from rotating, so that the first compression block 16 can be ensured to press the moving block 17 to move outwards, and the use experience of a product is improved.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a second ball 26, a second mounting cover 27, a third ball 28, and a third mounting cover 29; the second ball 26 is connected with one end of the connecting rod 18 near the moving block 17, and the second ball 26 is embedded in the moving block 17; the second mounting cover 27 is connected to the moving block 17, and the second balls 26 are embedded in the second mounting cover 27; the third ball 28 is connected with one end of the connecting rod 18 near the expansion plate 13, and the third ball 28 is embedded in the expansion plate 13; the third mounting cover 29 is connected to the expansion plate 13, and the third balls 28 are embedded in the third mounting cover 29.

The second ball 26 is connected with the connecting rod 18, and the second ball 26 is embedded into the moving block 17, so that the connecting rod 18 can rotate relative to the moving block 17; the second mounting cover 27 is connected with the moving block 17, and the second balls 26 are embedded in the second mounting cover 27, so that the second mounting cover 27 can press the second balls 26 into the moving block 17, and the connecting rod 18 is connected with the moving block 17 in a rotating mode. The third ball 28 is connected with the connecting rod 18, and the third ball 28 is embedded in the expansion plate 13, so that the connecting rod 18 can rotate relative to the expansion plate 13; the third mounting cover 29 is connected with the expansion plate 13, and the third balls 28 are embedded in the third mounting cover 29, so that the third mounting cover 29 can press the third balls 28 into the expansion plate 13, and the connecting rod 18 is connected with the expansion plate 13 in a rotating way.

By adopting the structure, the two ends of the connecting rod 18 are respectively connected with the movable block 17 and the expansion plate 13 in a rotating way, so that the flexibility of the connection of the movable block 17 and the expansion plate 13 is improved, the rotating angle of the expansion plate 13 is increased, and the depth of the expansion plate 13 inserted into soil is improved, so that the stability of a product is improved.

Specifically, the lever 15 and the first ball 24 are formed by one-time machining by turning.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a first grouting pipe 30, a second grouting pipe 31, a communicating pipe 32, a three-way block 33, a first communicating hole 34, a second communicating hole and a discharging pipe 36; the first grouting pipe 30 passes through the operation rod 15 and the first ball 24 in sequence; the second grouting pipe 31 passes through the first compaction block 16, and the second grouting pipe 31 is communicated with the first grouting pipe 30; the communicating pipe is a hollow cavity with openings at two ends, the communicating pipe 32 is connected with one side of the first compaction block 16, which is away from the operating rod 15, and the communicating pipe 32 is communicated with the second grouting pipeline 31; the three-way block 33 is a hollow cavity, the three-way block 33 is embedded into the accommodating pipe 10, and the three-way block 33 is arranged at the bottom of the accommodating pipe 10; the first communication hole 34 is provided at the top of the three-way block 33, and the communication pipe 32 is embedded in the first communication hole 34; two second communication holes are provided on both sides of the three-way block 33; the discharging pipe 36 is a hollow cavity with openings at two ends, one end of the discharging pipe 36 is communicated with the second communication hole, and the discharging pipe 36 penetrates through the side wall of the accommodating pipe 10; wherein the tapping pipe 36 is located below the expansion plate 13.

By passing the first grouting pipe 30 through the operation rod 15 and the first ball 24 in this order, passing the second grouting pipe through the first compression block 16, and connecting the second grouting pipe 31 with the first grouting pipe 30, it is possible to communicate the operation rod 15 with the inside of the first compression block 16. The communicating tube is connected to one side of the first compaction block 16 and the communicating tube 32 is connected to the second grouting pipe 31, so that the communicating tube and the first compaction block 16 move synchronously, and thus the communicating tube, the second grouting pipe 31 and the first grouting pipe 30 are connected. By installing the three-way block 33 at the bottom of the accommodating tube 10, the communicating tube is embedded into the first communicating hole 34 at the top of the three-way block 33 to realize the communication between the communicating tube and the inside of the three-way block 33; by arranging two second communication holes on both sides of the three-way block 33, one end of the discharge pipe 36 is connected with the second communication holes, and the discharge pipe 36 passes through the side wall of the accommodating pipe 10, so that slurry in the three-way block 33 can flow out through the discharge pipe 36 and soil is grouted.

With the above-described structure, when the operation lever 15 and the first ball 24 press the first pressing block 16 to move downward, the communication pipe 32 also moves downward following the first pressing block 16 until the communication pipe 32 is embedded in the first communication hole 34 of the three-way block 33; then, the grouting pump is communicated with the first grouting pipe 30 of the operation lever 15, so that when the grouting pump is started, the slurry is injected into the three-way block 33 through the first grouting pipe 30, the second grouting pipe 31 and the communicating pipe 32, and the slurry injected into the three-way block 33 flows out through the discharging pipe 36, thereby completing grouting of the soil. Because the discharging pipe 36 is located below the expansion plate 13, grouting is performed below the expansion plate 13, and multi-layer grouting is further performed on soil, so that grouting effect is improved.

Specifically, the discharge pipe 36 is provided with a rubber sleeve or a check valve. When the rubber sleeve is arranged on the discharging pipe 36, the discharging pipe 36 flows out slurry to jack up the rubber sleeve, so that grouting of soil is realized; the grouting is stopped, and the rubber sleeve seals the second grout outlet 23 to avoid the grout from flowing backward.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a support 37 and a first spring 38; the supporting portion 37 is provided on the side wall of the moving block 17; the first spring 38 is sleeved on the outer side of the moving block 17, one end of the first spring 38 is connected with the supporting part 37, and the other end of the first spring 38 is connected with the inner wall of the accommodating tube 10; wherein the supporting part 37 and the moving block 17 are of an integral structure.

Through setting up supporting part 37 on the lateral wall of movable block 17, suit first spring 38 is in the outside of movable block 17, be connected with supporting part 37 with the one end of first spring 38, and be connected with the other end of first spring 38 and the inner wall that holds tub 10, it supports movable block 17 through first spring 38 and supporting part 37 to realize holding tub 10, thereby ensure that movable block 17 can follow the horizontal direction and remove, simultaneously, can also realize when first compact heap 16 breaks away from with movable block 17, first spring 38 resets, so as to drive movable block 17 case inboard and remove, thereby drive expansion plate 13 inwards rotates, and then make expansion plate 13 buckle and establish on square through-hole 12.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a chute 39, a first seal ring 40 and a second seal ring 41; a sliding groove 39 is arranged on the outer wall of the accommodating tube 10, and one end of the movable sleeve 22 close to the expansion plate 13 is embedded in the sliding groove 39; the first sealing ring 40 is an elastomer, the first sealing ring 40 is connected with one end of the movable sleeve 22 close to the expansion plate 13, the first sealing ring 40 is attached to the outer wall of the accommodating tube 10, and at least part of the first sealing ring 40 is embedded into the sliding groove 39; the second sealing ring 41 is an elastomer, the second sealing ring 41 is connected with one end of the movable sleeve 22 away from the expansion plate 13, and the second sealing ring 41 is attached to the outer wall of the accommodating tube 10.

By providing the sliding groove 39 on the outer wall of the accommodating tube 10 and embedding the end of the moving sleeve 22 close to the expansion plate 13 into the sliding groove 39, the moving sleeve 22 can move along the sliding groove 39, so that the moving sleeve 22 is prevented from shifting when moving up and down, and the moving stability of the moving sleeve 22 is improved. The first sealing gasket and the second sealing gasket are respectively connected with the two ends of the movable sleeve 22, and the first sealing ring 40 and the second sealing ring 41 are attached to the outer wall of the accommodating tube 10, so that the joint of the accommodating tube 10 and the movable sleeve 22 is sealed, and the tightness of the movable sleeve 22 is improved.

Specifically, the first seal ring 40 and the second seal ring 41 are rubber bodies or silica gel bodies.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: positioning groove 42, positioning frame 43, positioning rod 44, positioning part 45, second spring 46, second pressing block 47, pressing rod 48, relief groove 49, limiting plate 50 and third spring 51; a plurality of positioning slots 42 are provided on the outer wall of the moving sleeve 22; the positioning frame 43 is connected with one end of the movable sleeve 22 away from the expansion plate 13; the positioning rod 44 passes through the positioning frame 43, and at least part of the positioning rod 44 is embedded into the positioning groove 42; the positioning part 45 is wound on the outer side of the positioning rod 44; the second spring 46 is sleeved on the outer side of the positioning rod 44, one end of the second spring 46 is attached to the accommodating tube 10, and the other end of the second spring 46 is connected with the positioning part 45; one side of the second compression block 47 is provided with an inclined plane, the second compression block 47 is connected with the positioning part 45, and the second compression block 47 is positioned above the positioning rod 44; the bottom of the pressing rod 48 is provided with an inclined plane, the pressing rod 48 passes through the top of the positioning frame 43, and the inclined plane at the bottom of the pressing rod 48 is attached to the inclined plane of the second pressing block 47; the relief groove 49 is arranged at one end of the pressing rod 48 close to the positioning rod 44, and the relief groove 49 is wound on the outer side of the positioning rod 44; the limiting plate 50 is connected with the pressing rod 48, and the limiting plate 50 is positioned above the positioning frame 43; the third spring 51 is sleeved on the outer side of the pressing rod 48, one end of the third spring 51 is connected with the limiting plate 50, and the other end of the third spring 51 is connected with the positioning frame 43; wherein the spring constant of the third spring 51 is greater than the spring constant of the second spring 46.

The positioning frame 43 is connected with one end of the moving sleeve 22 so as to realize synchronous movement of the positioning frame 43 and the moving sleeve 22; the fixing of the moving cannula 22 to the outside of the receiving tube 10 is achieved by providing a plurality of positioning slots 42 on the outer wall of the moving cannula 22, passing the positioning rods 44 through the positioning frame 43, and embedding at least part of the positioning rods 44 into the positioning slots 42 to achieve the positioning of the positioning frame 43 and the moving cannula 22 by the positioning rods 44. The positioning part 45 is wound on the outer side of the positioning rod 44, the second spring 46 is sleeved on the outer side of the positioning rod 44, one section of the second spring 46 is attached to the accommodating tube 10, the other end of the second spring 46 is connected with the positioning part 45, and therefore the second spring 46 can synchronously move with the positioning part 45, the second spring 46 can move relative to the accommodating tube 10, and meanwhile the accommodating tube 10 supports the positioning part 45 and the positioning rod 44 through the second spring 46. By connecting the second pressing block 47 with the positioning part 45, the pressing rod 48 passes through the positioning frame 43, and the inclined surface at the bottom of the pressing rod 48 is attached to the inclined surface of the second pressing block 47, so that when the pressing rod 48 moves downwards, the pressing rod 48 can press the second pressing block 47 and the positioning rod 44 to move towards the positioning groove 42, and the positioning rod 44 can be ensured to be embedded into the positioning groove 42. By arranging the relief groove 49 at one end of the pressing rod 48 close to the positioning rod 44 and making the relief groove 49 around the outer side of the setting positioning rod 44, at least part of the positioning rod 44 can be embedded into the pressing rod 48, so that when the pressing rod 48 is attached to the positioning rod 44, the pressing rod 48 is attached to the positioning part 45, and the positioning rod 44 is limited. The limiting plate 50 is connected with the pressing rod 48, so that the limiting plate 50 and the pressing rod 48 synchronously move; by sleeving the third spring 51 on the outer side of the pressing rod 48, one end of the third spring 51 is connected with the limiting plate 50, and the other end of the third spring 51 is connected with the positioning frame 43, so that the positioning frame 43 supports the limiting plate 50 and the pressing rod 48 through the third spring 51.

With the above structure, in the normal state, the third spring 51 is in the normal state, the pressing rod 48 is attached to the positioning rod 44, the positioning rod 44 is embedded into the relief groove 49, and the pressing rod 48 is attached to the positioning part 45; at the same time, the positioning rod 44 is inserted into the positioning groove 42, and the second spring 46 is in a compressed state to fix the moving sleeve 22 to the outside of the receiving tube 10 through the positioning rod 44, thereby improving the stability of the moving sleeve 22. When the movable sleeve 22 is ready to be pulled upwards, the pressing rod 48 is pulled upwards, so that the pressing rod 48 is separated from the positioning part 45, and the second spring 46 is reset, so that the second spring 46 drives the positioning rod 44 and the positioning part 45 to move in the direction away from the positioning groove 42, and the positioning rod 44 is separated from the positioning groove 42; then, the positioning frame 43 is pulled upwards to drive the positioning frame 43 and the movable sleeve 22 to move upwards; at this time, the pressing rod 48 is stopped being pulled, the third spring 51 is reset, and drives the pressing rod 48 to move downwards, and the pressing rod 48 presses the second pressing block 47, the positioning part 45 and the positioning rod 44 to move towards the positioning groove 42; when the positioning rod 44 is opposite to the positioning groove 42 above, the positioning rod 44 is embedded into the positioning groove 42, so that the positioning frame 43 and the movable sleeve 22 are positioned, and the moving distance of the movable sleeve 22 is limited, so that the soil is subjected to fixed-distance layered grouting.

Since the elastic coefficient of the third spring 51 is larger than that of the second spring 46, when the third spring 51 returns and drives the pressing rod 48 to move downward, the pressing rod 48 can press the second pressing block 47 to move toward the positioning groove 42, and compress the second spring 46.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a first suspension rope 52, a second suspension rope 53, and a guide rod 54; the first lifting rope 52 is connected with the positioning frame 43; the second lifting rope 53 is connected with the limiting plate 50; the guide rod 54 is connected to the positioning portion 45, and the guide rod 54 passes through the positioning frame 43.

The first lifting rope 52 is connected with the locating frame 43, and the second lifting rope 53 is connected with the limiting plate 50, so that the locating frame 43 and the limiting plate 50 are driven to move upwards by the first lifting rope 52 and the second lifting rope 53 respectively, and the workers can move outside the holes conveniently. The guide rod 54 is connected with the positioning part 45, the guide rod 54 passes through the positioning frame 43, so that the positioning part 45 and the guide rod 54 synchronously move, and the guide rod 54 moves in the positioning frame 43, so that the guide rod 54 is guided by the positioning frame 43, the positioning part 45 and the positioning rod 44 are prevented from being offset when moving, the positioning rod 44 is prevented from rotating, and the pressing rod 48 is ensured to press the second pressing block 47 to move.

In an embodiment of the present invention, as shown in fig. 1 to 10, the sleeve valve pipe grouting device further includes: a connecting vertical plate 55, a connecting hole 56, a connecting transverse plate 57, a relief hole 58 and a hand wheel 59; two connecting risers 55 are connected to the top of the containment tube 10, and the two connecting risers 55 are located on both sides of the cover plate 14; the two connecting holes 56 are respectively provided on the two connecting risers 55; the connecting transverse plate 57 is connected with the two connecting vertical plates 55 at the same time, and the connecting transverse plate 57 is positioned above the operating rod 15; the relief hole 58 is provided on the connection cross plate 57, and the relief hole 58 is opposite to the operation lever 15; the hand wheel 59 is sleeved on the outer side of the operation rod 15, and the hand wheel 59 is positioned below the connection transverse plate 57.

By connecting the two connecting risers 55 with the top of the containment tube 10 and arranging the connecting holes 56 on the two connecting risers 55, respectively, it is achieved that the output shaft of the drilling machine can be connected with the containment tube 10 through the connecting risers 55 and the connecting holes 56, thereby achieving that the drilling machine can drive the containment tube 10 and the drill bit 11 to rotate. The connecting transverse plates 57 are connected with the vertical plates 55 at the same time, and the connecting transverse plates 57 are located above the operating rod 15, so that two connecting vertical plates 55 and the connecting transverse plates 57 form a stable frame structure, stability of the two connecting vertical plates 55 is improved, and meanwhile, the output shaft pair of the drilling machine can be limited through the connecting transverse plates 57, and interference between the output shaft of the drilling machine and the operating rod 15 is avoided. The hand wheel 59 is sleeved on the outer side of the operating rod 15, and the hand wheel 59 is positioned below the connecting transverse plate 57, so that the operating rod 15 is driven to rotate by the hand wheel 59, and the difficulty of rotating the operating rod 15 is reduced; the relief hole 58 is formed in the connection transverse plate 57, and the relief hole 58 is opposite to the operation rod 15, so that interference between the operation rod 15 and the connection transverse plate 57 is avoided, and simultaneously, the grouting pump and the operation rod 15 can be conveniently communicated.

As shown in fig. 11, the grouting method of the sleeve valve pipe grouting device comprises the following steps: s1, embedding an output shaft of a drilling machine between two connecting vertical plates, enabling the output shaft of the drilling machine to be attached to a connecting transverse plate, and connecting the output shaft of the drilling machine with the two connecting vertical plates through connecting holes; s2, starting the drilling machine, so that the drilling machine drives the containing tube and the drill bit to drill holes on the preset position of the ground; s3, after the drill bit drills to a preset depth, the output shaft of the drilling machine is detached from the space between the two connecting vertical plates; s4, rotating the hand wheel to enable the hand wheel to drive the operating rod to move downwards while rotating in the first threaded hole, so that the operating rod drives the first compressing block to move downwards through the first ball, the first compressing block drives the communicating pipe to be embedded into the first communicating hole on the three-way block, and the first compressing block drives the two moving blocks to move outwards; s5, when the two moving blocks move outwards, the two moving blocks push the expansion plate to rotate outwards through the connecting rod, so that the expansion plate is embedded into soil; s6, the output end of the grouting pump is communicated with a grouting pipe, and the grouting pipe is communicated with a first grouting pipeline in the operating rod after passing through the abdication hole; s7, starting a grouting pump, enabling slurry to flow into the three-way block through the grouting pipe, the first grouting pipe, the second grouting pipe and the communicating pipe, and enabling the slurry to flow out of the accommodating pipe through the discharging pipe, so that bottom grouting is carried out on soil; s8, after the bottom grouting of the soil pond is completed, the grouting pipe is detached from the operating rod, and the grouting pipe is communicated with the grouting port; s9, starting a grouting pump to enable slurry to flow into a grouting cavity, and enabling the slurry to flow into a gap between the movable sleeve and the accommodating pipe through a first slurry outlet; then, the slurry flows out from a second slurry outlet on the movable sleeve, so that the soil is subjected to two-layer grouting; s10, after two layers of grouting are carried out on the soil, the second lifting rope is pulled upwards, so that the second lifting rope drives the pressing rod to move upwards to be separated from the positioning part; the second spring is reset, so that the second spring drives the positioning part and the positioning rod to move in the direction away from the accommodating tube, and the positioning rod is separated from the positioning groove; s11, pulling the first lifting rope upwards to enable the first lifting rope to drive the positioning frame and the movable sleeve to move upwards; at the moment, the second lifting rope is stopped being pulled, the third spring is reset, and the limiting plate and the pressing rod are driven to move downwards; at the moment, the second compression block and the positioning rod are pressed by the compression rod to move towards the direction of the accommodating tube; s12, when the positioning rod is opposite to the positioning groove, the positioning rod is embedded into the positioning groove, so that the movable sleeve is positioned, and the relative position of the second slurry outlet and the accommodating pipe is adjusted; s13, restarting the grouting pump to enable the slurry to flow out from a second slurry outlet on the movable sleeve, so that the soil is subjected to three-layer grouting; and S14, repeating the steps S10 to S13 to realize multi-layer grouting of the soil until the foundation grouting is finished.

Through the step S1 and the step S2, the drilling machine is connected with the product, so that the drilling machine drives the containing pipe and the drill bit to drill the ground; the expansion plate can be embedded into the soil through the steps S3 to S5, so that the stability of the accommodating pipe is improved, and the accommodating pipe is prevented from being deviated; through the steps S6 to S8, the slurry A-static first grouting pipeline, the second grouting pipeline and the communicating pipe flow into the tee block, and the slurry flowing into the tee block flows out through the discharging pipe, so that grouting of the bottom layer of the soil is completed; through step S9 to step S14, the multi-layer grouting of the soil is realized, and therefore the grouting effect of the soil is improved.

Specifically, the interval between grouting layers is 3 meters; dividing the total depth of the drilling holes by 3, and adding 1 to the obtained integer to obtain the number of layers of grouting; the number of the positioning grooves is 1 less than the number of grouting layers.

Example 1: the drilling depth is 16 m, the number of layers of grouting is 6, and the number of positioning grooves is 5, so that after 6 layers of grouting are performed on soil, the grouting of the foundation is completed.

Example 2: the drilling depth is 8 meters, the number of grouting layers is 3, and the number of positioning grooves is 2, so that after the 3-layer grouting of the soil is completed, the grouting of the foundation is completed.

In the description of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present invention, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sleeve valve tube grouting device, characterized in that the sleeve valve tube grouting device comprises:

the accommodating pipe is a hollow cavity with an opening at the top, and a drill bit is arranged at the bottom of the accommodating pipe;

the square through holes are arranged on the side wall of the accommodating tube and are positioned above the drill bit;

the expansion plate is rotationally connected with the side wall of the accommodating tube and is buckled on the square through hole;

the cover plate is internally provided with a threaded hole, a first internal thread is arranged in the threaded hole, and the cover plate is buckled at the opening of the accommodating pipe;

the outer wall of the operating rod is provided with a first external thread, and the operating rod passes through the threaded hole of the cover plate;

the section of the first compression block is trapezoidal, and the first compression block is rotationally connected with one end of the operating rod, which is away from the cover plate;

The side of the moving block is inclined, the inclined surface of the moving block is attached to the side wall of the first compression block, and the side, away from the first compression block, of the moving block is opposite to the square through hole;

one end of the connecting rod is rotationally connected with the moving block, and the other end of the connecting rod is rotationally connected with the expansion plate;

the grouting cavity is arranged in the accommodating pipe;

the grouting port is arranged at the top of the accommodating pipe and is communicated with the grouting cavity;

the first slurry outlet is arranged on the side wall of the accommodating pipe and is communicated with the grouting cavity;

the movable sleeve is provided with a second slurry outlet on the side wall, the movable sleeve is wound on the outer side of the accommodating pipe, the first slurry outlet is positioned in the movable sleeve, and the movable sleeve is positioned above the expansion plate;

the first internal thread is matched with the first external thread;

the first ball is arranged at one end of the operating rod, which is close to the first compression block, and is embedded into the first compression block;

The second external thread is arranged on the outer wall of one end, close to the first ball, of the first compression block;

the first mounting cover is internally provided with a second internal thread, the first mounting cover is sleeved on the outer side of the first compression block, and the first ball is embedded into the first mounting cover;

the second external thread is matched with the second internal thread, and the first ball and the operating rod are of an integrated structure;

the first grouting pipeline sequentially penetrates through the operating rod and the first ball;

the second grouting pipeline penetrates through the first compression block, and is communicated with the first grouting pipeline;

the communicating pipe is a hollow cavity with openings at two ends, the communicating pipe is connected with one side of the first compaction block, which is away from the operating rod, and the communicating pipe is communicated with the second grouting pipeline;

the three-way block is a hollow cavity, is embedded into the accommodating pipe and is arranged at the bottom of the accommodating pipe;

the first communication hole is formed in the top of the tee block, and the communication pipe is embedded in the first communication hole;

The two second communication holes are arranged on two sides of the tee joint block;

the discharging pipe is a hollow cavity with openings at two ends, one end of the discharging pipe is communicated with the second communication hole, and the discharging pipe penetrates through the side wall of the accommodating pipe;

the discharging pipe is positioned below the expansion plate;

a support portion provided on a side wall of the moving block;

the first spring is sleeved on the outer side of the moving block, one end of the first spring is connected with the supporting part, and the other end of the first spring is connected with the inner wall of the accommodating tube;

the supporting part and the moving block are of an integrated structure;

the sliding groove is arranged on the outer wall of the accommodating pipe, and one end, close to the expansion plate, of the movable sleeve is embedded into the sliding groove;

the first sealing ring is an elastomer and is connected with one end of the movable sleeve close to the expansion plate, the first sealing ring is attached to the outer wall of the accommodating pipe, and at least part of the first sealing ring is embedded into the sliding groove;

The second sealing ring is an elastic body, is connected with one end of the movable sleeve, which is away from the expansion plate, and is attached to the outer wall of the accommodating tube;

the positioning grooves are formed in the outer wall of the movable sleeve;

the positioning frame is connected with one end of the movable sleeve, which is away from the expansion plate;

the positioning rod passes through the positioning frame, and at least part of the positioning rod is embedded into the positioning groove;

the positioning part is wound on the outer side of the positioning rod;

the second spring is sleeved on the outer side of the positioning rod, one end of the second spring is attached to the accommodating tube, and the other end of the second spring is connected with the positioning part;

the second compressing block is provided with an inclined plane at one side and connected with the positioning part, and is positioned above the positioning rod;

the bottom of the pressing rod is provided with an inclined plane, the pressing rod passes through the top of the positioning frame, and the inclined plane at the bottom of the pressing rod is attached to the inclined plane of the second pressing block;

The abdication groove is arranged at one end of the compression rod, which is close to the positioning rod, and the abdication groove is wound on the outer side of the positioning rod;

the limiting plate is connected with the compression rod and is positioned above the positioning frame;

the third spring is sleeved on the outer side of the pressing rod, one end of the third spring is connected with the limiting plate, and the other end of the third spring is connected with the positioning frame;

the elastic coefficient of the third spring is larger than that of the second spring;

the first lifting rope is connected with the positioning frame;

the second lifting rope is connected with the limiting plate;

the guide rod is connected with the positioning part and penetrates through the positioning frame;

the drill bit is arranged at the bottom of the accommodating pipe so as to realize that the accommodating pipe can drill holes on the ground; the moving block drives the expansion plate to rotate through the connecting rod, so that the expansion plate is inserted into the soil to prevent the holding pipe from shifting in the drilled hole, so that the stability of the holding pipe is improved, a sleeve is not required to be pulled upwards to make up a gap between the holding pipe and the hole, the relative position of the second grout outlet and the holding pipe is adjusted, and meanwhile, the grout can flow out from the second grout outlet, so that the multilayer grouting of the soil is realized;

When the operating rod and the first ball press the first compression block to move downwards, the communicating pipe also moves downwards along with the first compression block until the communicating pipe is embedded into the first communicating hole of the three-way block; then, the grouting pump is communicated with a first grouting pipeline of the operating rod, so that when the grouting pump is started, slurry is injected into the three-way block through the first grouting pipeline, the second grouting pipeline and the communicating pipe, and the slurry injected into the three-way block flows out through the discharging pipe, and further, the grouting of soil is completed; because the discharging pipe is positioned below the expansion plate, grouting is carried out below the expansion plate, and multi-layer grouting is further carried out on soil.

2. A sleeve-valve-tube grouting device as recited in claim 1, further comprising:

the second ball is connected with one end of the connecting rod, which is close to the moving block, and is embedded into the moving block;

the second installation cover is connected with the moving block, and the second balls are embedded into the second installation cover;

the third ball is connected with one end of the connecting rod, which is close to the expansion plate, and is embedded into the expansion plate;

And the third mounting cover is connected with the expansion plate, and the third balls are embedded into the third mounting cover.

3. A sleeve-valve-tube grouting device as recited in claim 1, further comprising:

the two connecting vertical plates are connected with the top of the accommodating pipe and are positioned on two sides of the cover plate;

the connecting holes are respectively arranged on the two connecting vertical plates;

the connecting transverse plate is connected with the two connecting vertical plates at the same time and is positioned above the operating rod;

the abdication hole is arranged on the connecting transverse plate and is opposite to the operating rod;

the hand wheel is sleeved on the outer side of the operating rod, and the hand wheel is positioned below the connecting transverse plate.

4. A grouting method of a sleeve grouting device based on the sleeve grouting device according to any one of claims 1 to 3, characterized in that the grouting method of the sleeve grouting device comprises:

s1, embedding an output shaft of a drilling machine between two connecting vertical plates, enabling the output shaft of the drilling machine to be attached to a connecting transverse plate, and connecting the output shaft of the drilling machine with the two connecting vertical plates through connecting holes;

S2, starting the drilling machine, so that the drilling machine drives the containing tube and the drill bit to drill holes on the preset position of the ground;

s3, after the drill bit drills to a preset depth, the output shaft of the drilling machine is detached from the space between the two connecting vertical plates;

s4, rotating the hand wheel to enable the hand wheel to drive the operating rod to move downwards while rotating in the first threaded hole, so that the operating rod drives the first compressing block to move downwards through the first ball, the first compressing block drives the communicating pipe to be embedded into the first communicating hole on the three-way block, and the first compressing block drives the two moving blocks to move outwards;

s5, when the two moving blocks move outwards, the two moving blocks push the expansion plate to rotate outwards through the connecting rod, so that the expansion plate is embedded into soil;

s6, the output end of the grouting pump is communicated with a grouting pipe, and the grouting pipe is communicated with a first grouting pipeline in the operating rod after passing through the abdication hole;

s7, starting a grouting pump, enabling slurry to flow into the three-way block through the grouting pipe, the first grouting pipe, the second grouting pipe and the communicating pipe, and enabling the slurry to flow out of the accommodating pipe through the discharging pipe, so that bottom grouting is carried out on soil;

s8, after the bottom grouting of the soil is completed, the grouting pipe is detached from the operating rod, and the grouting pipe is communicated with the grouting port;

S9, starting a grouting pump to enable slurry to flow into a grouting cavity, and enabling the slurry to flow into a gap between the movable sleeve and the accommodating pipe through a first slurry outlet; then, the slurry flows out from a second slurry outlet on the movable sleeve, so that the soil is subjected to two-layer grouting;

s10, after two layers of grouting are carried out on the soil, the second lifting rope is pulled upwards, so that the second lifting rope drives the pressing rod to move upwards to be separated from the positioning part; the second spring is reset, so that the second spring drives the positioning part and the positioning rod to move in the direction away from the accommodating tube, and the positioning rod is separated from the positioning groove;

s11, pulling the first lifting rope upwards to enable the first lifting rope to drive the positioning frame and the movable sleeve to move upwards; at the moment, the second lifting rope is stopped being pulled, the third spring is reset, and the limiting plate and the pressing rod are driven to move downwards; at the moment, the second compression block and the positioning rod are pressed by the compression rod to move towards the direction of the accommodating tube;

s12, when the positioning rod is opposite to the positioning groove, the positioning rod is embedded into the positioning groove, so that the movable sleeve is positioned, and the relative position of the second slurry outlet and the accommodating pipe is adjusted;

s13, restarting the grouting pump to enable the slurry to flow out from a second slurry outlet on the movable sleeve, so that the soil is subjected to three-layer grouting;

And S14, repeating the steps S10 to S13 to realize multi-layer grouting of the soil until the foundation grouting is finished.