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CN-116397621-B - Soft soil foundation high-pressure grouting treatment equipment and process

CN116397621BCN 116397621 BCN116397621 BCN 116397621BCN-116397621-B

Abstract

The application relates to a soft soil foundation high-pressure grouting treatment device and a soft soil foundation high-pressure grouting treatment process, and relates to the technical field of foundation grouting. The construction wheel disc is provided with a construction wheel disc, the construction wheel disc is rotatably arranged relative to the movement platform, 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 in a penetrating mode 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 further provided with a soil fixing hole in a penetrating mode in the thickness direction, the soil fixing hole is internally provided with a soil fixing anvil, the construction wheel disc is provided with a driving assembly for driving the soil fixing anvil to lift, the construction wheel disc is provided with a construction hole in a penetrating mode in the thickness direction, and the construction wheel disc is rotated to drive the lifting hole and the soil fixing anvil to be aligned with the construction hole. The application has the effects of tamping the soft soil layer and improving the stability and safety of grouting construction.

Inventors

  • Han Sunhai
  • WU YIBO
  • ZHANG YUE
  • WU KEJUN

Assignees

  • 浙江广盛环境建设集团有限公司

Dates

Publication Date
20260508
Application Date
20230425

Claims (8)

  1. 1. A soft soil foundation high-pressure grouting treatment device comprises a moving mechanism (1), wherein the moving mechanism (1) comprises a moving platform (11) and a plurality of driving wheels (12), the driving wheels (12) are all rotationally connected to the bottom wall of the moving platform (11), the soft soil foundation high-pressure grouting treatment device is characterized in that a construction wheel disc (2) is arranged on the surface of the moving platform (11), the construction wheel disc (2) is rotationally arranged relative to the moving platform (11), a high-pressure pump body (21) and a driving piece (22) are arranged on the surface of the construction wheel disc (2), lifting holes (23) are formed in the construction wheel disc (2) in a penetrating mode in the thickness direction, a guide pipe (24) is arranged in the lifting holes (23), the driving piece (22) drives the guide pipe (24) to lift along the lifting holes (23), the guide pipe (24) is communicated with the high-pressure pump body (21), a drill bit (241) is arranged at one end of the guide pipe (24) deviating from the construction wheel disc (2), a soil fixing hole (25) is formed in the construction wheel disc (2) in the thickness direction in a penetrating mode, a soil fixing hole (3) is formed in the construction wheel disc (25), a soil fixing component (3) is formed in the anvil (3) in the thickness direction, the construction wheel disc (3) is provided with a lifting assembly (113), the construction wheel disc (2) rotates to drive the lifting hole (23) and the soil fixing hole (25) to be aligned with the construction hole (113); The driving assembly (4) comprises a plurality of driving motors (41), a winding roller (42), traction inhaul cables (43) and guide wheels (44), wherein the driving motors (41), the winding roller (42) and the traction inhaul cables (43) are arranged in a one-to-one correspondence manner, a plurality of mounting grooves (26) for the driving motors (41) to be arranged are formed in the construction wheel disc (2), the mounting grooves (26) are formed in the circumferential direction of a construction hole (113), the winding roller (42) is connected with an output shaft of the driving motor (41), a plurality of through holes (27) are formed in the surface of the construction wheel disc (2) corresponding to the mounting grooves (26), the through holes (27) are communicated with the corresponding mounting grooves (26), one end of each traction inhaul cable (43) is wound on the circumferential wall of the winding roller (42), the other end of each traction inhaul cable (43) penetrates through the corresponding through one through hole (27) and is connected with a soil fixing anvil (3), and the guide wheels (44) are respectively arranged on the inner wall of the mounting grooves (26) or the construction hole (113), and the traction inhaul cables (43) pass through the corresponding guide wheels (44); The construction wheel disc (2) is characterized in that a locking ring (6) is rotatably connected to the surface of the construction wheel disc (2), the locking ring (6) and a construction hole (113) are coaxially arranged, a plurality of dovetail grooves (28) are formed in the surface of the construction wheel disc (2), the dovetail grooves (28) are all arranged towards the direction of the construction hole (113), the dovetail grooves (28) are all positioned in the locking ring (6), locking blocks (61) are slidingly connected in the dovetail grooves (28), a plurality of arc-shaped blocks (62) are arranged on the inner wall of the locking ring (6) corresponding to the locking blocks (61), the arc-shaped blocks (62) push the corresponding locking blocks (61) to slide along the length direction of the dovetail grooves (28), elastic pieces (63) are arranged in the dovetail grooves (28), the elastic pieces (63) drive the locking blocks (61) to slide towards the direction deviating from the construction hole (113), one end, close to a soil fixing anvil (3), of each locking block (61) is provided with a locking piece (611), the circumferential wall of the soil fixing anvil (3) is provided with a locking piece (611) for being inserted into a locking groove (31), the locking piece (31) is correspondingly arranged with the locking cable (43), one end of the traction stay rope (43) deviating from the winding roller (42) passes through the corresponding locking block (61) and the locking inserting piece (611) and is connected with the inner wall of the locking groove (31).
  2. 2. The high-pressure grouting treatment equipment for the soft foundation according to claim 1, wherein a sliding rail (114) is arranged on the surface of the movable platform (11), the sliding rail (114) is arranged towards a construction hole (113), an adjusting table (115) is connected to the sliding rail (114) in a sliding manner, and the construction wheel disc (2) is rotatably connected to the top wall of the adjusting table (115).
  3. 3. The high-pressure grouting treatment equipment for the soft soil foundation is characterized in that the construction hole (113) is internally and slidably connected with a soil fixing sleeve (5), the outer wall of the soil fixing sleeve (5) is propped against the inner wall of the construction hole (113), a clamping groove (116) is formed in the inner wall of the construction hole (113), a clamping block (51) is arranged on the outer wall of the soil fixing sleeve (5), the clamping block (51) is propped into the clamping groove (116), a lifting cylinder (117) is arranged in the clamping groove (116), a piston rod of the lifting cylinder (117) is connected with the clamping block (51), and the lifting cylinder (117) drives the soil fixing sleeve (5) to lift along the depth direction of the construction hole (113), and a guide surface (52) is formed in the outer wall of the bottom of the soil fixing sleeve (5).
  4. 4. The high-pressure grouting treatment equipment for the soft foundation is characterized in that a hanging frame (7) is vertically arranged on the surface of the construction wheel disc (2), one end, deviating from the construction wheel disc (2), of the hanging frame (7) is horizontally bent, two mutually parallel positioning sheets (71) are arranged on the bottom wall of the bending part of the hanging frame (7), a winding drum (72) is rotatably connected between the two positioning sheets (71), a lifting stay rope (73) is wound on the peripheral wall of the winding drum (72), a pressure hammer (74) is arranged at one end, deviating from the winding drum (72), of the lifting stay rope (73), the pressure hammer (74) and the soil fixing anvil (3) are coaxially arranged, and a power assembly (8) for driving the winding drum (72) to rotate is arranged on the bottom wall of the bending part of the hanging frame (7).
  5. 5. The high-pressure grouting treatment equipment for the soft foundation is characterized in that the power assembly (8) comprises a winding motor (81), a positioning cylinder (82), a plurality of pawls (83), a plurality of micro air cylinders (84) and a plurality of ratchets (85), the pawls (83) and the micro air cylinders (84) are arranged in a one-to-one correspondence mode, the winding motor (81) is arranged on the bottom wall of the bending part of the hanging frame (7), an output shaft of the winding motor (81) penetrates through the positioning plate (71) and is inserted into the winding cylinder (72), the positioning cylinder (82) is sleeved on the peripheral wall of the part, inserted into the winding cylinder (72), of the positioning cylinder (82) is provided with a plurality of hidden grooves (821) for embedding the pawls (83) and the micro air cylinders (84), the pawls (83) are rotationally connected to the inner wall of the hidden grooves (821), the base of the micro air cylinders (84) is hinged to the bottom wall of the hidden grooves (821), the micro air cylinders (84) are hinged to the bottom wall of the pawls (83), the ratchets (84) are evenly distributed along the circumferential direction of the inner walls of the micro air cylinders (84) and extend out of the hidden grooves (821) along the circumferential direction of the hidden grooves (85), the pawl (83) drives the winding drum (72) to rotate along with the positioning drum (82) and winds the lifting inhaul cable (73).
  6. 6. The high-pressure grouting treatment device for soft soil foundations of claim 4, wherein the pressure hammer (74) comprises a connecting portion (741) and a hammering portion (742), the diameter of the connecting portion (741) is larger than that of the hammering portion (742), the lifting inhaul cable (73) is connected with the connecting portion (741), the hammering portion (742) is connected to one end, deviating from a hanging frame (7), of the connecting portion (741), a plurality of limiting rods (75) are vertically arranged on the bottom wall of a bent portion of the hanging frame (7), one end, deviating from the hanging frame (7), of each limiting rod (75) is connected with a construction wheel disc (2), and a plurality of limiting rods (75) penetrate through the connecting portion (741).
  7. 7. The high-pressure grouting treatment equipment for soft soil foundations of claim 2, wherein the movable platform (11) comprises a base (111) and a supporting plate (112) arranged above the base (111), a plurality of driving wheels (12) are rotatably connected to the bottom wall of the base (111), sliding rails (114) are arranged on the surface of the supporting plate (112), and a plurality of damping blocks (9) are arranged between the base (111) and the supporting plate (112).
  8. 8. A treatment process of a soft soil foundation high pressure grouting treatment equipment according to any one of the claim 1-7, which is characterized by comprising the following steps, The movable platform (11) moves to a preset grouting place; Starting a lifting cylinder (117) and inserting the soil fixing sleeve (5) into the soil layer; Starting a driving assembly (4), wherein the driving assembly (4) lowers a soil fixing anvil (3) and compacts a soft soil layer in the soil fixing sleeve (5); starting a power assembly (8), hammering the soil fixing anvil (3) through a pressure hammer (74), further compacting the soil layer in the soil fixing sleeve (5), and repeatedly hammering; the hammering is completed, and the soil fixing anvil (3) is recovered through the driving assembly (4); rotating the construction wheel disc (2), aligning the guide tube (24) with the construction hole (113), starting the driving piece (22) and the drill bit (241), and inserting the guide tube (24) into the preset soil layer depth; starting a high-pressure pump body (21) to grouting the soil layer; Completing the grouting, recovering the conduit (24) through the driving member (22); and (3) finishing construction, and leaving the mobile platform (11) from a construction site to wait for slurry hardening to form a foundation.

Description

Soft soil foundation high-pressure grouting treatment equipment and process Technical Field The application relates to the technical field of foundation grouting, in particular to soft soil foundation high-pressure grouting treatment equipment and technology. Background The foundation refers to soil or rock mass below the building for supporting the foundation, and plays an important role in stabilizing the building structure. In the related art, a high-pressure grouting device is designed and comprises a moving mechanism, a drilling machine, a guide pipe, nozzles, a high-pressure pump body and a high-pressure pipe, wherein the drilling machine is arranged at the bottom of the moving mechanism, the guide pipe is connected with an output shaft of the drilling machine, a spike part is arranged at one end of the guide pipe, a plurality of nozzles are all connected to the peripheral wall of the guide pipe, the high-pressure pump body is arranged on the surface of the moving mechanism, and the high-pressure pump body is communicated with the guide pipe through the high-pressure pipe. When pouring the foundation, the guide pipe is driven to rotate through the drilling machine, the guide pipe can be inserted into the preset ground depth, the high-pressure pump body is started, slurry and water enter the guide pipe through the high-pressure pipe and are sprayed out through the nozzle, the slurry permeates into the gap of the coating, and the foundation is formed after hardening. Aiming at the related technology, the inventor finds that for the region with soft soil, the application of the high-pressure grouting equipment is limited, because the soil is loose, the stability between soil layers is poor, when grouting is carried out, slurry easily flows through loose coating and even exceeds a preset foundation grouting area, the problem that the poured foundation is unstable is easily caused, and potential safety hazards exist. Disclosure of Invention In order to solve the problems that the high-pressure grouting equipment is not suitable for running in soft soil areas, the formed foundation is unstable, the safety is poor and the like, the application provides the high-pressure grouting treatment equipment and the high-pressure grouting treatment process for the soft soil foundation. The application provides a soft soil foundation high-pressure grouting treatment device and a soft soil foundation high-pressure grouting treatment process, which adopt the following technical scheme: The high-pressure grouting treatment equipment for the soft soil foundation comprises a moving mechanism, wherein the moving mechanism comprises a moving platform and a plurality of driving wheels, the driving wheels are all rotationally connected to the bottom wall of the moving platform, a construction wheel disc is arranged on the surface of the moving platform, the construction wheel disc is rotationally arranged relative to the moving platform, a high-pressure pump body and a driving piece are arranged on the surface of the construction wheel disc, lifting holes are formed in the construction wheel disc in a penetrating mode in the thickness direction, a guide pipe is arranged in the lifting holes, the driving piece drives the guide pipe to lift along the lifting holes, the guide pipe is communicated with the high-pressure pump body, a drill bit is arranged at one end of the guide pipe, which is away from the construction wheel disc, a soil fixing hole is formed in the construction wheel disc in the penetrating mode in the thickness direction, a soil fixing anvil is arranged in the soil fixing hole, a driving component used for driving the soil fixing anvil to lift is arranged on the surface of the construction wheel disc, a construction hole is formed in the penetrating mode in the thickness direction, and the construction wheel disc is rotationally driven to lift the lifting holes and the soil fixing holes are aligned with the construction holes. Through the technical scheme, when grouting construction is carried out, the moving mechanism is moved to a preset construction site, the construction hole can be aligned to the construction site, the construction wheel disc is rotated, the soil fixing hole can be aligned to the construction hole, the soil fixing anvil can penetrate through the soil fixing hole and hammer the soil layer in the construction site through the driving component, the originally soft soil layer can be compacted by the soil fixing anvil, after the soil fixing is completed, the soil fixing anvil is recovered through the driving component, the construction wheel disc is rotated again, the lifting hole can be aligned to the construction hole, the driving component drives the guide pipe to descend, the drill bit at the end part of the guide pipe is utilized to drill holes, the guide pipe can be inserted into the preset soil layer, slurry and water can be introduced into the guide pipe by utilizing the high-pressure pu