High-pressure grouting treatment equipment and process for soft soil foundation

Abstract

The application relates to a soft soil foundation high-pressure grouting treatment device and process and relates to the technical field of foundation grouting. The device comprises a moving mechanism, the moving mechanism comprises a moving platform and a plurality of driving wheels, the surface of the moving platform is provided with a construction wheel disc, the construction wheel disc is rotationally arranged relative to the moving platform, the surface of the construction wheel disc is provided with a high-pressure pump body and a driving piece, the construction wheel disc is provided with a lifting hole penetrating through in the thickness direction, a guide pipe is arranged in the lifting hole, the driving piece drives the guide pipe to lift along the lifting hole, the guide pipe is communicated with the high-pressure pump body, one end of the guide pipe is provided with a drill bit; the construction wheel disc is also provided with a soil consolidation hole penetrating through in the thickness direction, a soil consolidation anvil is arranged in the soil consolidation hole, the surface of the construction wheel disc is provided with a driving assembly for driving the soil consolidation anvil to lift; the moving platform is provided with a construction hole penetrating through in the thickness direction, and the construction wheel disc is rotationally driven to align the lifting hole and the soil consolidation hole with the construction hole. The application has the effects of tamping the soft soil layer, improving the stability and safety of grouting construction.

Description

Technical Field

[0001] This application relates to the field of foundation grouting technology, and in particular to a high-pressure grouting treatment device and process for soft soil foundations. Background Technology

[0002] The foundation refers to the soil or rock mass beneath a building that supports its foundation, and it plays an important role in stabilizing the building structure.

[0003] In related technologies, a high-pressure grouting device is designed, including a moving mechanism, a drilling rig, a guide pipe, nozzles, a high-pressure pump body, and a high-pressure pipe. The drilling rig is located at the bottom of the moving mechanism, and the guide pipe is connected to the output shaft of the drilling rig. One end of the guide pipe is provided with a spike, and several nozzles are connected to the peripheral wall of the guide pipe. The high-pressure pump body is located on the surface of the moving mechanism and is connected to the guide pipe through the high-pressure pipe. During foundation pouring, the drilling rig drives the guide pipe to rotate, allowing the guide pipe to be inserted into the preset ground depth. The high-pressure pump body is activated, allowing grout and water to enter the guide pipe through the high-pressure pipe and be sprayed out through the nozzles. The grout seeps into the gaps in the coating, and after hardening, the foundation is formed.

[0004] Regarding the aforementioned technologies, the inventors have found that the application of high-pressure grouting equipment is limited in areas with loose soil. Due to the loose soil and poor stability between soil layers, the grout can easily flow through the loose coating during grouting, even exceeding the predetermined foundation grouting area, which can easily lead to problems such as unstable foundations and pose safety hazards. Summary of the Invention

[0005] To address the issues of unsuitability for high-pressure grouting equipment operation in soft soil areas, resulting in unstable foundations and poor safety after grouting, this application provides a high-pressure grouting treatment device and process for soft soil foundations.

[0006] The technical solution for high-pressure grouting treatment equipment and process for soft soil foundation provided in this application is as follows:

[0007] A high-pressure grouting treatment device for soft soil foundation includes a moving mechanism. The moving mechanism includes a moving platform and several drive wheels, all of which are rotatably connected to the bottom wall of the moving platform. A construction wheel is provided on the surface of the moving platform and is rotatably disposed relative to the moving platform. A high-pressure pump body and a drive component are provided on the surface of the construction wheel. A lifting hole is formed through the construction wheel along its thickness direction. A guide tube is disposed in the lifting hole. The drive component drives the guide tube to move up and down along the lifting hole. The guide tube is connected to the high-pressure pump body. A drill bit is disposed at the end of the guide tube opposite to the construction wheel. A soil stabilization hole is also formed through the construction wheel along its thickness direction. A soil stabilization anvil is disposed in the soil stabilization hole. A drive component for driving the soil stabilization anvil to move up and down is provided on the surface of the construction wheel. A construction hole is formed through the moving platform along its thickness direction. The rotation of the construction wheel drives the lifting hole and the soil stabilization hole to align with the construction hole.

[0008] By adopting the above technical solution, during grouting construction, the moving mechanism is moved to the preset construction location, aligning the construction hole with the location. The construction wheel is rotated to align the soil stabilization hole with the construction hole. The drive assembly allows the soil stabilization anvil to pass through the hole and hammer the soil layer at the construction location, compacting the originally loose soil. After soil stabilization, the drive assembly retrieves the soil stabilization anvil. The construction wheel is rotated again to align the lifting hole with the construction hole, and the drive unit lowers the guide pipe. A drill bit at the end of the guide pipe is used to drill a hole, allowing the guide pipe to... The pipe can be inserted into a preset soil depth. A high-pressure pump is used to pump grout and water into the pipe, allowing the grout and water to seep into the soil through the outlet holes of the pipe. After the grout hardens, a foundation is formed. The high-pressure grouting treatment equipment for soft soil foundation of this application can compact the soft soil layer before grouting construction, so that the larger gaps in the original soil layer can be compacted. This allows the injected grout to harden within a preset range, making the formed foundation more stable and solid, and making subsequent construction safer and more reliable.

[0009] Preferably, the surface of the mobile platform is provided with a slide rail, the slide rail is arranged towards the construction hole, an adjustment platform is slidably connected to the slide rail, and the construction wheel is rotatably connected to the top wall of the adjustment platform.

[0010] By adopting the above technical solution, the position of the construction wheel can be adjusted by setting the slide rail, so that the soil stabilizing anvil can more comprehensively compact the soil layer inside the soil stabilizing sleeve, and the guide pipe can also achieve grouting from different angles, further improving the flexibility and convenience of this application.

[0011] Preferably, a soil stabilizing sleeve is slidably connected inside the construction hole. The outer wall of the soil stabilizing sleeve abuts against the inner wall of the construction hole. A snap-fit ​​groove is provided on the inner wall of the construction hole. A snap-fit ​​block is provided on the outer wall of the soil stabilizing sleeve. The snap-fit ​​block abuts into the snap-fit ​​groove. A lifting cylinder is provided in the snap-fit ​​groove. The piston rod of the lifting cylinder is connected to the snap-fit ​​block. The lifting cylinder drives the soil stabilizing sleeve to move up and down along the depth direction of the construction hole. A guide surface is provided on the bottom outer wall of the soil stabilizing sleeve.

[0012] By adopting the above technical solution, the soil stabilizing sleeve is inserted into the soil layer using the guide surface of the bottom wall of the soil stabilizing sleeve. This can limit the soil layer inside the soil stabilizing sleeve. When compacting the soil layer with the soil stabilizing anvil in the subsequent process, the soil layer inside the soil stabilizing sleeve can be continuously compacted along the depth direction of the soil stabilizing sleeve, so that the grout in the target grouting area can be better limited, thereby improving the stability of the grouting construction.

[0013] Preferably, the drive assembly includes several drive motors, a take-up roller, a traction cable, and guide wheels, with each of the drive motors, take-up rollers, and traction cables corresponding to one another. The construction wheel has several mounting slots for the drive motors, arranged along the circumferential direction of the construction hole. The take-up roller is connected to the output shaft of the drive motor. The surface of the construction wheel has several through holes corresponding to the mounting slots, communicating with the corresponding mounting slots. One end of the traction cable is wound around the circumferential wall of the take-up roller, and the other end passes through the through hole and connects to the soil stabilizing anvil. Several guide wheels are respectively disposed in the mounting slots or on the inner wall of the construction hole, and the traction cable passes through the guide wheels on the corresponding path.

[0014] By adopting the above technical solution, when the drive motor starts, its output shaft will drive the take-up roller to rotate. Under the guidance of the guide wheel, the traction cable can be wound or unwound. When the traction cable is unwound, the soil stabilizing anvil will hammer the soil layer inside the soil stabilizing sleeve under its own gravity, making the soil structure more compact. When the traction cable is wound, the soil stabilizing anvil will be lifted by the traction cable, allowing the soil stabilizing anvil to detach from the soil surface. The drive component of this application has a simple structure and can easily realize the lifting and lowering of the soil stabilizing anvil, which has high convenience and practicality.

[0015] Preferably, a locking ring is rotatably connected to the surface of the construction wheel, the locking ring being coaxially arranged with the construction hole. The surface of the construction wheel has several dovetail grooves, all facing the construction hole and located inside the locking ring. A locking block is slidably connected within each dovetail groove. The inner wall of the locking ring has several arc-shaped blocks corresponding to the locking blocks, which push the corresponding locking blocks to slide along the length of the dovetail groove. An elastic element is provided within the dovetail groove, driving the locking blocks to slide away from the construction hole. A locking insert is provided at the end of the locking block near the soil-stabilizing anvil. The peripheral wall of the soil-stabilizing anvil has locking grooves for inserting the locking insert. The locking blocks and traction cables are arranged in a one-to-one correspondence. The end of the traction cable away from the take-up roller passes through the corresponding locking block and locking insert and is connected to the inner wall of the locking groove.

[0016] By adopting the above technical solution, when the locking ring is rotated, the arc-shaped block on the inner wall of the locking ring will rotate along with the locking ring. The arc-shaped block and the corresponding locking block abut against each other. As the size of the arc-shaped block increases, several locking blocks are simultaneously pushed towards the construction hole. When the drive component drives the soil stabilizing anvil to rise, the locking insert of the locking ring will be inserted into the locking groove of the soil stabilizing anvil, thereby locking the soil stabilizing anvil. This ensures that the soil stabilizing anvil remains stable when the moving mechanism moves. Since the soil stabilizing anvil is lifted by the traction cable, its stability is insufficient. Therefore, the setting of the locking block can reduce the probability of the moving mechanism vibrating significantly due to the shaking of the soil stabilizing anvil, thus improving the safety of the moving mechanism during movement.

[0017] Preferably, a suspension frame is vertically mounted on the surface of the construction wheel, and the end of the suspension frame opposite to the construction wheel is bent horizontally. Two parallel positioning plates are mounted on the bottom wall of the bent portion of the suspension frame, and a winding drum is rotatably connected between the two positioning plates. A lifting cable is wound around the periphery of the winding drum, and a pressure hammer is mounted on the end of the lifting cable that is detached from the winding drum. The pressure hammer is coaxially mounted with the soil stabilizing anvil, and a power component for driving the winding drum to rotate is mounted on the bottom wall of the bent portion of the suspension frame.

[0018] By adopting the above technical solution, the power component can drive the winding drum to rotate, thereby winding the lifting cable around the circumference of the winding drum. When the power component stops working, the pressure hammer will fall rapidly under its own gravity, thereby hammering the soil stabilizing anvil, so that the soil layer pressed by the soil stabilizing anvil can be further compacted and compacted, improving the soil structure, making it more suitable for grouting construction, and improving the stability of the grouting construction process.

[0019] Preferably, the power assembly includes a winding motor, a positioning cylinder, several pawls, several miniature cylinders, and several ratchet teeth, with each pawl and miniature cylinder corresponding to the other. The winding motor is mounted on the bottom wall of the bent portion of the suspension frame. The output shaft of the winding motor passes through the positioning plate and is inserted into the winding drum. The positioning cylinder is sleeved on the circumferential wall of the portion where the output shaft of the winding motor is inserted into the winding drum. The circumferential wall of the positioning cylinder has several hidden slots for the pawls and miniature cylinders to be embedded. The pawls are rotatably connected to the inner wall of the hidden slots. The base of the miniature cylinder is hinged to the bottom wall of the hidden slots. The piston rod of the miniature cylinder is hinged to the bottom wall of the pawls. The ratchet teeth are evenly distributed along the circumferential direction of the inner wall of the winding drum. After the miniature cylinder drives the pawls to extend out of the hidden slots, the pawls engage with the ratchet teeth. The pawls drive the winding drum to rotate with the positioning cylinder and wind up the lifting cable.

[0020] By adopting the above technical solution, when the pressure hammer needs to be lifted, the micro cylinder is activated. The piston rod of the micro cylinder moves and pushes the corresponding pawl out of the hidden groove, so that the pawl can engage with the ratchet teeth on the inner wall of the winding drum. When the winding motor drives the positioning drum to rotate, the positioning drum can drive the winding drum to rotate through the interlocking relationship between the ratchet teeth and the pawl, thereby achieving the winding of the lifting cable and thus lifting the pressure hammer. When the pressure hammer needs to be lowered, the micro cylinder is activated again. The micro cylinder will drive the corresponding pawl into the hidden groove. The ratchet teeth and winding drum, no longer in contact with the positioning drum, will no longer be in communication with the positioning drum. Under the action of the pressure hammer's own gravity, the pressure hammer will fall rapidly, driving the winding drum to rotate in the opposite direction, thereby hammering the soil stabilizing anvil and making the soil layer more compact. The power component of this application can realize the winding and rapid unwinding of the lifting cable. It has a simple structure and has high convenience and practicality.

[0021] Preferably, the pressure hammer includes a connecting part and a striking part. The diameter of the connecting part is larger than the diameter of the striking part. The lifting cable is connected to the connecting part. The striking part is connected to the end of the connecting part away from the suspension frame. A plurality of limiting rods are vertically arranged on the bottom wall of the bent part of the suspension frame. The end of the limiting rod away from the suspension frame is connected to the construction wheel. All of the limiting rods pass through the connecting part.

[0022] By adopting the above technical solution and setting a limit rod to pass through the connection part of the pressure hammer, the pressure hammer can be aligned with the soil stabilizing anvil with each drop, providing greater pressure to the soil stabilizing anvil, thereby improving the compactness of the soil layer inside the soil stabilizing sleeve, improving the structural quality of the soil layer, and making the soil layer more suitable for grouting construction.

[0023] Preferably, the mobile platform includes a base and a support plate disposed above the base, a plurality of drive wheels are rotatably connected to the bottom wall of the base, the slide rail is disposed on the surface of the support plate, and a plurality of shock-absorbing damping devices are disposed between the base and the support plate.

[0024] By adopting the above technical solution, when the soil is hammered and compacted by the soil stabilizing anvil and pressure hammer, large-amplitude vibrations will be generated. By setting the mobile platform in the form of a base and support plate, the kinetic energy generated by the vibration can be absorbed and buffered through the shock absorption and damping between the two, thereby improving the overall stability and protecting the safety of other structures on the mobile platform.

[0025] A high-pressure grouting treatment process for soft soil foundations includes the following steps:

[0026] The mobile platform moves to the designated grouting location;

[0027] Activate the lifting cylinder to insert the soil stabilizing sleeve into the soil layer;

[0028] The drive assembly is activated, which lowers the soil-stabilizing anvil and compacts the loose soil layer inside the soil-stabilizing sleeve.

[0029] Start the power unit and use the pressure hammer to hammer the soil stabilizing anvil, further compacting the soil layer inside the soil stabilizing sleeve, and hammer repeatedly;

[0030] Once the hammering is complete, the soil-stabilizing anvil is retrieved via the drive assembly.

[0031] Rotate the construction wheel, align the guide pipe with the construction hole, start the drive unit and drill bit, and insert the guide pipe into the preset soil depth;

[0032] Start the high-pressure pump to inject grout into the soil layer;

[0033] After grouting is completed, the conduit is retrieved via the drive component;

[0034] Once construction is complete, the mobile platform leaves the construction site and waits for the grout to harden and form a foundation.

[0035] In summary, this application includes at least one of the following beneficial technical effects:

[0036] 1. The soft soil foundation high-pressure grouting treatment equipment of this application can compact the soft soil layer before grouting construction, so that the large gaps inside the original soil layer can be compacted, improving the original soft structure of the soil layer, making it more suitable for grouting construction. As a result, the injected grout can harden within a preset range, making the foundation more stable and solid, and making the subsequent construction safer and more reliable.

[0037] 2. The sliding rail allows for adjustment of the orientation of the construction wheel, enabling the soil stabilizing anvil to more comprehensively compact the soil layer inside the soil stabilizing sleeve, and the guide pipe to achieve grouting from different angles, further improving the flexibility and comprehensiveness of this application. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the structure of a high-pressure grouting treatment device for soft soil foundation according to an embodiment of this application.

[0039] Figure 2 yes Figure 1 Sectional view at point AA.

[0040] Figure 3 yes Figure 2 A magnified view of a section at point B.

[0041] Figure 4 yes Figure 2 A magnified view of a section at point C.

[0042] Figure 5 This is a schematic diagram of the locking ring structure according to an embodiment of this application.

[0043] Figure 6 This is a schematic diagram of the power assembly in an embodiment of this application.

[0044] Explanation of reference numerals in the attached drawings: 1. Moving mechanism; 11. Moving platform; 111. Base; 112. Support plate; 113. Construction hole; 114. Slide rail; 115. Adjusting platform; 116. Snap-fit ​​groove; 117. Lifting cylinder; 12. Drive wheel; 2. Construction wheel disc; 21. High-pressure pump body; 22. Drive component; 23. Lifting hole; 24. Guide pipe; 241. Drill bit; 25. Soil stabilization hole; 26. Mounting groove; 27. Through hole; 28. Dovetail groove; 3. Soil stabilization anvil; 31. Locking groove; 4. Drive assembly; 41. Drive motor; 42. Rewinding roller ; 43. Traction cable; 44. Guide wheel; 5. Soil stabilizing sleeve; 51. Clip block; 52. Guide surface; 6. Locking ring; 61. Locking block; 611. Locking insert; 62. Arc block; 63. Elastic element; 7. Suspension frame; 71. Positioning plate; 72. Winding drum; 73. Lifting cable; 74. Pressure hammer; 741. Connecting part; 742. Hammering part; 75. Limiting rod; 8. Power assembly; 81. Rewinding motor; 82. Positioning cylinder; 821. Hidden groove; 83. Pawl; 84. Miniature cylinder; 85. Racket tooth; 9. Shock absorption damping. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0046] This application discloses a high-pressure grouting treatment device for soft soil foundations. (Refer to...) Figure 1 and Figure 2 The system includes a moving mechanism 1, which comprises a moving platform 11 and several drive wheels 12. The moving platform 11 includes a base 111 and a support plate 112 disposed above the base 111. The drive wheels 12 are rotatably connected to the bottom wall of the base 111, thereby enabling the moving platform 11 to move via the drive wheels 12. Several damping devices 9 are provided between the base 111 and the support plate 112. In this embodiment, the damping devices 9 are in the form of guide rods and springs. The guide rods are disposed on the surface of the base 111, with one end inserted into the support plate 112 and able to slide inside the support plate 112. The springs are sleeved on the periphery of the guide rods, with one end abutting against the bottom wall of the support plate 112 and the other end abutting against the surface of the base 111. This allows the moving platform 11 to absorb and buffer vibrations when it receives impact forces, thereby protecting other structures on the surface of the moving platform 11 and improving safety.

[0047] Reference Figure 2 and Figure 3 The mobile platform 11 has a construction hole 113 extending through it along the thickness direction. The construction hole 113 extends through the support plate 112 and the base 111. A soil stabilizing sleeve 5 is slidably connected inside the portion of the construction hole 113 located within the base 111. The outer wall of the soil stabilizing sleeve 5 abuts against the inner wall of the construction hole 113. Several locking grooves 116 are formed along the depth direction on the inner wall of the construction hole 113. The locking grooves 116 are evenly distributed along the circumferential direction of the inner wall of the construction hole 113. Several locking blocks 51 are integrally formed on the outer wall of the soil stabilizing sleeve 5 facing the locking grooves 116. The locking blocks 51 abut into the corresponding locking grooves 116, thereby restricting the rotation of the soil stabilizing sleeve 5 and enabling the soil stabilizing sleeve 5 to move stably up and down within the construction hole 113.

[0048] Reference Figure 2 and Figure 3 A lifting cylinder 117 is welded to the inner wall of the locking groove 116 away from the ground. The piston rod of the lifting cylinder 117 is connected to the locking block 51. The movement of the piston rod of the lifting cylinder 117 can drive the soil stabilizing sleeve 5 to rise and fall along the depth direction of the construction hole 113. A guide surface 52 is opened on the bottom outer wall of the soil stabilizing sleeve 5, so that the soil stabilizing sleeve 5 can be inserted into the soft soil layer, so that the soil layer within the range of the soil stabilizing sleeve 5 can be limited, so that the soil layer within this range can be structurally improved in the future, making it more suitable for grouting construction.

[0049] Reference Figure 1 and Figure 2The support plate 112 is provided with a slide rail 114, which is positioned toward the construction hole 113. An adjustment table 115 is slidably connected to the slide rail 114. The slide rail 114 can drive the adjustment table 115 to move toward or away from the construction hole 113, so as to adjust the orientation of the parts on the surface of the adjustment table 115.

[0050] Reference Figure 1 The top wall of the adjustment platform 115 is rotatably connected to the construction wheel 2. In this embodiment, the adjustment platform 115 is equipped with a motor that drives the construction wheel 2 to rotate, so that the parts on the surface of the construction wheel 2 can be rotated and aligned with the construction hole 113.

[0051] Reference Figure 2 The construction wheel 2 has a soil stabilization hole 25 through it along the thickness direction. After the construction wheel 2 rotates, the soil stabilization hole 25 rotates to above the construction hole 113. A soil stabilization anvil 3 is installed in the soil stabilization hole 25. A drive component 4 is provided on the surface of the construction wheel 2 to drive the soil stabilization anvil 3 to move up and down along the depth direction of the soil stabilization hole 25. The soil stabilization anvil 3 will pass through the construction hole 113 and compact and tighten the soil layer inside the soil stabilization sleeve 5.

[0052] Reference Figure 2 and Figure 4 The drive assembly 4 includes several drive motors 41, take-up rollers 42, traction cables 43, and guide wheels 44, wherein the drive motors 41, take-up rollers 42, and traction cables 43 are arranged in a one-to-one correspondence; the construction wheel 2 has several mounting slots 26 for the drive motors 41 to be installed inside, and the mounting slots 26 are evenly arranged along the circumferential direction of the construction hole 113. The drive motors 41 are installed in the corresponding mounting slots 26, and the output shaft of the drive motors 41 is perpendicular to the length direction of the corresponding mounting slots 26. The take-up rollers 42 are connected to the output shaft of the drive motors 41, so that the output shaft of the drive motors 41 can drive the take-up rollers 42 to rotate.

[0053] Reference Figure 2 and Figure 4The surface of the construction wheel 2 is provided with several through holes 27 corresponding to the mounting groove 26. The through holes 27 are opened vertically and are connected to the corresponding mounting groove 26. One end of the traction cable 43 is wound around the circumference of the take-up roller 42, and the other end passes through the through hole 27 and is connected to the soil stabilizing anvil 3. The circumference of the soil stabilizing anvil 3 is provided with a locking groove 31. The other end of the traction cable 43 is connected to the inner wall of the locking groove 31. Several guide wheels 44 are respectively set on the inner wall of the mounting groove 26 or the construction hole 113. The traction cable 43 passes through the guide wheels 44 on the corresponding path, thereby providing a guiding function for the traction cable 43 and reducing the wear of the traction cable 43. This application achieves the winding or unwinding of the traction cable 43 by rotating the winding roller 42, thereby enabling the raising and lowering of the soil stabilizing anvil 3. This compacts and compresses the soil inside the soil stabilizing sleeve 5, improving the soil structure and reducing internal gaps. This allows the injected grout to harden within a preset range, forming a foundation, making subsequent construction more stable and safe.

[0054] Reference Figure 4 and Figure 5 A locking ring 6 is rotatably connected to the surface of the construction wheel 2. The locking ring 6 is coaxially arranged with the construction hole 113. In this embodiment, the outer wall of the locking ring 6 is provided with toothed blocks in the circumferential direction. The surface of the construction wheel 2 is provided with a motor and a gear. The output shaft of the motor is connected to the gear, so that the gear can be driven to rotate. The gear meshes with the toothed blocks on the outer wall of the locking ring 6, thereby driving the locking ring 6 to rotate.

[0055] Reference Figure 4 and Figure 5 The surface of the construction wheel 2 is provided with several dovetail grooves 28 within the range of the locking ring 6. Each dovetail groove 28 corresponds to an installation groove 26. The dovetail grooves 28 are all set towards the construction hole 113. A locking block 61 is slidably connected in each dovetail groove 28. Several arc-shaped blocks 62 are integrally formed on the inner wall of the locking ring 6 corresponding to the locking block 61. The arc-shaped blocks 62 push the corresponding locking block 61 to slide along the length direction of the dovetail groove 28. In this embodiment, the distance between the side of the arc-shaped block 62 away from the locking ring 6 and the locking ring 6 gradually increases along its length direction, so that the locking block 61 can slide during the rotation of the locking ring 6.

[0056] Reference Figure 4 and Figure 5Each dovetail groove 28 is provided with an elastic element 63. In this embodiment, the elastic element 63 is a spring. The elastic element 63 abuts against the end wall of the dovetail groove 28 and the locking block 61. The elastic element 63 pulls the locking block 61 to move in the direction away from the construction hole 113. The locking block 61 has a locking insert 611 integrally formed at the end near the soil stabilizing anvil 3. The locking block 61 and the traction cable 43 are arranged in a one-to-one correspondence. The end of the traction cable 43 away from the winding roller 42 passes through the corresponding locking block 61 and locking insert 611 and is connected to the inner wall of the locking groove 31. Thus, when the locking ring 6 and the arc block 62 push the locking block 61, the locking block 61 can be inserted into the locking groove 31 to lock the soil stabilizing anvil 3. This reduces the instability of the entire moving mechanism 1 caused by the shaking of the soil stabilizing anvil 3 when the moving platform 11 moves, and improves the safety of movement.

[0057] Reference Figure 1 and Figure 2 A suspension frame 7 is vertically mounted on the surface of the construction wheel 2 by welding. One end of the suspension frame 7 is horizontally bent away from the construction wheel 2 and positioned directly above the soil stabilizing anvil 3. Two parallel positioning plates 71 are welded to the bottom wall of the bent portion of the suspension frame 7. A winding drum 72 is rotatably connected between the two positioning plates 71. The winding drum 72 is rotatably connected to the positioning plates 71 via bearings. A lifting cable 73 is wound around the periphery of the winding drum 72. A pressure hammer 74 is mounted at the end of the lifting cable 73 that is detached from the winding drum 72. The pressure hammer 74 is coaxially mounted with the soil stabilizing anvil 3. In this embodiment, the pressure... The pressure hammer 74 includes an integrally formed connecting part 741 and a hammering part 742. The diameter of the connecting part 741 is larger than the diameter of the hammering part 742. The lifting cable 73 is connected to the connecting part 741. The hammering part 742 is connected to the end of the connecting part 741 away from the suspension frame 7. Several limiting rods 75 are vertically installed on the bottom wall of the bent part of the suspension frame 7 by welding. The other end of the limiting rods 75 passes through the connecting part 741 and is connected to the surface of the construction wheel 2. This allows the pressure hammer 74 to accurately hammer the soil stabilizing anvil 3, thereby further compacting the soil layer and improving its stability.

[0058] Reference Figure 1 and Figure 6 The bottom wall of the bent part of the suspension frame 7 is provided with a power component 8. The power component 8 is used to drive the winding drum 72 to rotate to wind up the lifting cable 73, and to make the lifting cable 73 unwind quickly when the pressure hammer 74 needs to be dropped.

[0059] Reference Figure 1 and Figure 6The power assembly 8 includes a winding motor 81, a positioning cylinder 82, several pawls 83, several miniature cylinders 84, and several ratchet teeth 85. The pawls 83 and miniature cylinders 84 are arranged in a one-to-one correspondence. The stator of the winding motor 81 is welded to the bottom wall of the bent part of the suspension frame 7. The output shaft of the winding motor 81 passes through the positioning plate 71 and is inserted into the winding drum 72. The positioning cylinder 82 is fitted onto the circumferential wall of the part where the output shaft of the winding motor 81 is inserted into the winding drum 72 by means of a key connection, and has a clearance fit with the inner wall of the winding drum 72.

[0060] Reference Figure 1 and Figure 6 The positioning cylinder 82 has several hidden slots 821 on its circumferential wall for the pawl 83 and the miniature cylinder 84 to be embedded. These hidden slots 821 are evenly spaced along the circumferential direction of the positioning cylinder 82. The pawl 83 is rotatably connected to the corresponding hidden slot 821. The base of the miniature cylinder 84 is hinged to the bottom wall of the hidden slot 821, and the piston rod of the miniature cylinder 84 is hinged to the bottom wall of the pawl 83. By pushing with the miniature cylinder 84, the pawl 83 can extend out of the hidden slot 821. The ratchet teeth 85 are evenly distributed along the circumferential direction of the inner wall of the winding drum 72. The pawl 83 extends out of the hidden groove 821 and can engage with the ratchet teeth 85, thereby driving the winding drum 72 to rotate through the positioning cylinder 82 to wind up the lifting cable 73. When unwinding is required, the miniature cylinder 84 drives the pawl 83 to engage in the hidden groove 821. The winding drum 72, which loses engagement, will rotate under the weight of the pressure hammer 74, causing the lifting cable 73 to be unwound and the pressure hammer 74 to fall rapidly.

[0061] Reference Figure 1 and Figure 6 The construction wheel 2 is provided with a high-pressure pump body 21 and a drive component 22 on its surface. The construction wheel 2 has a lifting hole 23 through it along its thickness direction. After the construction wheel 2 rotates, the lifting hole 23 can be aligned with the construction hole 113. A guide tube 24 is provided in the lifting hole 23. The drive component 22 drives the guide tube 24 to rise and fall along the lifting hole 23. In this embodiment, the drive component 22 is a cylinder. The guide tube 24 is connected to the high-pressure pump body 21 through a high-pressure pipe to inject grout into the guide tube 24. Several liquid outlet holes are provided on the periphery of the guide tube 24. A drill bit 241 is provided at the end of the guide tube 24 away from the construction wheel 2, so that the drill bit 241, in conjunction with the drive component 22, can insert the guide tube 24 into a preset depth for grouting.

[0062] The implementation principle of a high-pressure grouting treatment device for soft soil foundation in this application embodiment is as follows: During grouting construction, the moving mechanism 1 is moved to the preset construction location so that the construction hole 113 can be aligned with the construction location; the lifting cylinder 117 is activated to insert the soil stabilizing sleeve 5 into the soil layer, and the construction wheel 2 is rotated so that the soil stabilizing hole 25 can be aligned with the construction hole 113. Through the drive component 4 and the power component 8, the soil stabilizing anvil 3 and the pressure hammer 74 can hammer the soil layer inside the soil stabilizing sleeve 5 to improve the soil structure and make the soil layer more compact and dense. After the hammering is completed, the soil stabilizing anvil 3 and the pressure hammer 74 are retrieved.

[0063] Rotate the construction wheel 2 again so that the lifting hole 23 can be aligned with the construction hole 113. Drive the guide pipe 24 to descend through the drive component 22. Drill a hole using the drill bit 241 at the end of the guide pipe 24 so that the guide pipe 24 can be inserted into the preset soil depth. Use the high-pressure pump body 21 to pump grout and water into the inside of the guide pipe 24 so that the grout and water will seep into the soil through the outlet hole of the guide pipe 24. After the grout hardens, the foundation can be formed.

[0064] This application also discloses a high-pressure grouting treatment process for soft soil foundations, including the following steps:

[0065] S1: The mobile platform 11 moves to the designated grouting location;

[0066] S2: Start the lifting cylinder 117 and insert the soil stabilizing sleeve 5 into the soil layer;

[0067] S3: Start the drive component 4. The drive component 4 lowers the soil stabilizing anvil 3 and compacts the loose soil layer inside the soil stabilizing sleeve 5.

[0068] S4: Start the power unit 8 and repeatedly hammer the soil-stabilizing anvil 3 with the pressure hammer 74 to further compact the soil layer inside the soil-stabilizing sleeve 5.

[0069] S5: Hammering complete, soil-stabilizing anvil 3 is recovered via drive component 4;

[0070] S6: Rotate the construction wheel 2, align the guide tube 24 with the construction hole 113, start the drive unit 22 and the drill bit 241, and insert the guide tube 24 into the preset soil depth.

[0071] S7: Start the high-pressure pump body 21 to inject grout into the soil layer;

[0072] S8: Grouting is complete, and the conduit 24 is recovered via the drive unit 22;

[0073] S9: Construction completed. Mobile platform 11 leaves the construction site and waits for the grout to harden and form the foundation.

[0074] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-pressure grouting treatment device for soft soil foundation, comprising a moving mechanism (1), wherein the moving mechanism (1) comprises a moving platform (11) and a plurality of drive wheels (12), wherein the plurality of drive wheels (12) are rotatably connected to the bottom wall of the moving platform (11), characterized in that: The mobile platform (11) is provided with a construction wheel (2) on its surface. The construction wheel (2) is rotatable relative to the mobile platform (11). The construction wheel (2) is provided with a high-pressure pump body (21) and a drive component (22) on its surface. The construction wheel (2) has a lifting hole (23) extending through it along its thickness direction. A guide tube (24) is provided inside the lifting hole (23). The drive component (22) drives the guide tube (24) to move up and down along the lifting hole (23). The guide tube (24) is connected to the high-pressure pump body (21). (24) A drill bit (241) is provided at one end away from the construction wheel (2); the construction wheel (2) is also provided with a soil stabilization hole (25) through the thickness direction, and a soil stabilization anvil (3) is provided in the soil stabilization hole (25); a drive assembly (4) for driving the soil stabilization anvil (3) to rise and fall is provided on the surface of the construction wheel (2); the moving platform (11) is provided with a construction hole (113) through the thickness direction, and the construction wheel (2) rotates to drive the lifting hole (23) and the soil stabilization hole (25) to align with the construction hole (113); The drive assembly (4) includes several drive motors (41), take-up rollers (42), traction cables (43), and guide wheels (44), with each drive motor (41), take-up roller (42), and traction cable (43) arranged in a one-to-one correspondence; the construction wheel (2) has several mounting slots (26) for the drive motors (41), which are arranged along the circumferential direction of the construction hole (113); the take-up roller (42) is connected to the output shaft of the drive motor (41). The surface of the construction wheel (2) is provided with several through holes (27) corresponding to the mounting groove (26). The through holes (27) are connected to the corresponding mounting groove (26). One end of the traction cable (43) is wound around the circumference of the take-up roller (42). The other end of the traction cable (43) passes through the through hole (27) and is connected to the soil stabilizing anvil (3). Several guide wheels (44) are respectively set on the inner wall of the mounting groove (26) or the construction hole (113). The traction cable (43) passes through the guide wheels (44) on the corresponding path. A locking ring (6) is rotatably connected to the surface of the construction wheel (2). The locking ring (6) is coaxially arranged with the construction hole (113). Several dovetail grooves (28) are opened on the surface of the construction wheel (2). The several dovetail grooves (28) are all arranged in the direction of the construction hole (113). The several dovetail grooves (28) are all located inside the locking ring (6). A locking block (61) is slidably connected in each dovetail groove (28). Several arc-shaped blocks (62) are arranged on the inner wall of the locking ring (6) corresponding to the locking block (61). The arc-shaped blocks (62) push the corresponding locking block (61) along the length direction of the dovetail groove (28). The dovetail groove (28) is provided with an elastic element (63), which drives the locking block (61) to slide in the direction away from the construction hole (113). The locking block (61) is provided with a locking insert (611) at one end near the soil stabilizing anvil (3). The soil stabilizing anvil (3) is provided with a locking groove (31) for the locking insert (611) to be inserted. The locking block (61) and the traction cable (43) are provided in a one-to-one correspondence. The end of the traction cable (43) away from the winding roller (42) passes through the corresponding locking block (61) and locking insert (611) and is connected to the inner wall of the locking groove (31).

2. The high-pressure grouting treatment equipment for soft soil foundation according to claim 1, characterized in that: The surface of the mobile platform (11) is provided with a slide rail (114), which is arranged in the direction of the construction hole (113). An adjustment platform (115) is slidably connected on the slide rail (114), and the construction wheel (2) is rotatably connected to the top wall of the adjustment platform (115).

3. The high-pressure grouting treatment equipment for soft soil foundation according to claim 1, characterized in that: A soil stabilizing sleeve (5) is slidably connected inside the construction hole (113). The outer wall of the soil stabilizing sleeve (5) abuts against the inner wall of the construction hole (113). A snap-fit ​​groove (116) is provided on the inner wall of the construction hole (113). A snap-fit ​​block (51) is provided on the outer wall of the soil stabilizing sleeve (5). The snap-fit ​​block (51) abuts into the snap-fit ​​groove (116). A lifting cylinder (117) is provided in the snap-fit ​​groove (116). The piston rod of the lifting cylinder (117) is connected to the snap-fit ​​block (51). The lifting cylinder (117) drives the soil stabilizing sleeve (5) to rise and fall along the depth direction of the construction hole (113). A guide surface (52) is provided on the bottom outer wall of the soil stabilizing sleeve (5).

4. The high-pressure grouting treatment equipment for soft soil foundation according to claim 1, characterized in that: The construction wheel (2) is vertically provided with a suspension frame (7). The end of the suspension frame (7) away from the construction wheel (2) is bent horizontally. The bottom wall of the bent part of the suspension frame (7) is provided with two parallel positioning plates (71). A winding drum (72) is rotatably connected between the two positioning plates (71). A lifting cable (73) is wound around the periphery of the winding drum (72). A pressure hammer (74) is provided at the end of the lifting cable (73) that is detached from the winding drum (72). The pressure hammer (74) is coaxially arranged with the soil stabilizing anvil (3). The bottom wall of the bent part of the suspension frame (7) is provided with a power component (8) for driving the winding drum (72) to rotate.

5. The high-pressure grouting treatment equipment for soft soil foundation according to claim 4, characterized in that: The power assembly (8) includes a winding motor (81), a positioning cylinder (82), several pawls (83), several miniature cylinders (84), and several ratchet teeth (85). The pawls (83) and miniature cylinders (84) are arranged in a one-to-one correspondence. The winding motor (81) is located on the bottom wall of the bent part of the suspension frame (7). The output shaft of the winding motor (81) passes through the positioning plate (71) and is inserted into the winding drum (72). The positioning cylinder (82) is sleeved on the circumferential wall of the part where the output shaft of the winding motor (81) is inserted into the winding drum (72). The circumferential wall of the positioning cylinder (82) has several openings for the pawls (83) and miniature cylinders (84). 4) An embedded hidden groove (821) is provided. The pawl (83) is rotatably connected to the inner wall of the hidden groove (821). The base of the micro cylinder (84) is hinged to the bottom wall of the hidden groove (821). The piston rod of the micro cylinder (84) is hinged to the bottom wall of the pawl (83). Several ratchet teeth (85) are evenly distributed along the circumferential direction of the inner wall of the winding drum (72). After the micro cylinder (84) drives the pawl (83) to extend out of the hidden groove (821), the pawl (83) and the ratchet teeth (85) engage. The pawl (83) drives the winding drum (72) to rotate with the positioning cylinder (82) and wind up the lifting cable (73).

6. The high-pressure grouting treatment equipment for soft soil foundation according to claim 4, characterized in that: The pressure hammer (74) includes a connecting part (741) and a hammering part (742). The diameter of the connecting part (741) is larger than the diameter of the hammering part (742). The lifting cable (73) is connected to the connecting part (741). The hammering part (742) is connected to the end of the connecting part (741) away from the suspension frame (7). The bottom wall of the bent part of the suspension frame (7) is vertically provided with several limiting rods (75). The end of the limiting rod (75) away from the suspension frame (7) is connected to the construction wheel (2). Several limiting rods (75) pass through the connecting part (741).

7. The high-pressure grouting treatment equipment for soft soil foundation according to claim 2, characterized in that: The mobile platform (11) includes a base (111) and a support plate (112) disposed above the base (111). Several drive wheels (12) are rotatably connected to the bottom wall of the base (111). The slide rail (114) is disposed on the surface of the support plate (112). Several shock-absorbing dampers (9) are disposed between the base (111) and the support plate (112).

8. A treatment process for a high-pressure grouting treatment device for soft soil foundations as described in any one of claims 1-7, characterized in that: Includes the following steps, The mobile platform (11) moves to the designated grouting location; Start the lifting cylinder (117) and insert the soil stabilizing sleeve (5) into the soil layer; Start the drive assembly (4), which lowers the soil-stabilizing anvil (3) and compacts the loose soil layer inside the soil-stabilizing sleeve (5); Start the power assembly (8) and use the pressure hammer (74) to hammer the soil-stabilizing anvil (3) to further compact the soil layer inside the soil-stabilizing sleeve (5), and hammer repeatedly; After the hammering is completed, the soil-stabilizing anvil (3) is retrieved via the drive assembly (4); Rotate the construction wheel (2), align the guide pipe (24) with the construction hole (113), start the drive unit (22) and the drill bit (241), and insert the guide pipe (24) into the preset soil depth; Start the high-pressure pump (21) to inject grout into the soil layer; After grouting is completed, the conduit (24) is recovered via the drive unit (22); After construction is completed, the mobile platform (11) leaves the construction site and waits for the grout to harden and form a foundation.

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