Hydraulic compaction device for foundation reinforcement

Abstract

The hydraulic compaction device comprises an equipment base and a stand column, the stand column is fixedly installed on the top end surface of the equipment base, a hydraulic rod is installed on the top end surface of the stand column, a connecting plate is installed at the extending end of the hydraulic rod, and an assembling shell is installed on the outer side surface of the stand column; according to the invention, the compaction rod with threads is ingeniously designed to integrate the functions of impact compaction and rotary drilling, and is matched with the assembly shell driven by the hydraulic rod and the rotating mechanism driven by the speed reducing motor, so that efficient and flexible drilling can be performed on a foundation on the same set of equipment; the composite reinforcing effect of rotary pore-forming compaction and then high-energy impact compaction is achieved, so that the defect that in the prior art, when high-energy vertical impact compaction needs to be conducted on backfill materials so as to further improve the pile body strength and the inter-pile soil compactness, independent heavy hammer compaction equipment needs to be replaced is overcome; the construction process is tedious, and the whole construction period is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering equipment, in particular to a hydraulic extrusion device for foundation reinforcement. BACKGROUND

[0002] As the bearing foundation of engineering construction, the bearing capacity, stability and deformation control ability of the foundation directly affect the safety and service life of the upper structure. With the increasing demand for economic development and infrastructure construction, especially under complex geological conditions and construction environment such as soft foundation, collapsible loess, thick fill and urban renewal reconstruction, higher requirements are put forward for foundation reinforcement technology. The current common foundation reinforcement methods mainly include replacement cushion method, vibration compaction method, dynamic compaction method, pile foundation method and various foundation grouting and chemical reinforcement methods.

[0003] The existing dynamic compaction method usually uses lifting equipment to lift the weight and free fall, and compacts the foundation by the impact force of the weight. However, it has the problem that when encountering hard soil layer or a small amount of boulders and other complex geology, the extrusion rod is difficult to enter the soil, and a regular pile hole cannot be effectively formed. Although the rotary pile forming machine can effectively drill into the soil layer by rotating the spiral drill bit and form a certain lateral extrusion effect on the pile hole wall, when high-energy vertical impact compaction is needed for backfill material to further improve the strength of the pile and the compactness of the soil between piles after the pile hole is formed, the independent weight compaction equipment needs to be replaced, resulting in complicated construction process, high equipment transfer cost and prolonged overall construction period. In addition, the existing technology is often difficult to flexibly rotate the extrusion rod with threads as a drill bit to form a hole and extrude on the same set of equipment, and directly switch functions after the hole is formed to make it as a weight for high-energy impact compaction. Therefore, the limitation of the existing device in single function leads to its difficulty in efficiently adapting to the complex geological conditions and diversified foundation reinforcement requirements.

[0004] In view of the above technical defects, a solution is proposed. SUMMARY

[0005] The purpose of the present application is to ingeniously design the extrusion rod with threads to integrate the impact compaction and rotary drilling functions, and cooperate with the assembly shell driven by the hydraulic rod and the rotary mechanism driven by the reduction motor, to realize the composite reinforcement effect of efficient and flexible rotary hole extrusion and high-energy impact compaction on the same set of equipment, significantly improve the construction efficiency and reinforcement quality, and thus make up for the defects that the existing technology needs to replace the independent weight compaction equipment when high-energy vertical impact compaction is needed for backfill material to further improve the strength of the pile and the compactness of the soil between piles, resulting in complicated construction process, high equipment transfer cost and prolonged overall construction period.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a hydraulic compaction device for foundation reinforcement, comprising a base and a column, the column being fixedly installed on the top surface of the base, a hydraulic rod being installed on the top surface of the column, a connecting plate being installed at the extended end of the hydraulic rod, an assembly housing being installed on the outer surface of the column, a positioning bearing being installed inside the assembly housing, a mating ring being installed on the inner wall of the positioning bearing, a positioning hole being provided on the inner wall of the mating ring, and a locking tooth being provided on the outer surface of the mating ring, a worm gear being rotatably installed on the inner wall of the assembly housing, a reduction motor being fixedly installed on one side surface of the assembly housing, a lifting assembly being installed on the top surface of the base, and a support assembly being installed on one side surface of the base.

[0007] Furthermore, there are two columns, which are equidistantly distributed on the top surface of the equipment base. Each column has a hydraulic rod distributed on its top surface. One end of the hydraulic rod extends from the top surface of the column into its interior. Each extended end of the hydraulic rod has a connecting plate distributed on it. Both connecting plates are fixedly connected to the assembly shell, and the assembly shell is slidably connected to the two columns.

[0008] Furthermore, the positioning bearings are two respectively distributed on the top and bottom surfaces of the inner wall of the assembly housing. The assembly housing is rotatably connected to the mating ring through the positioning bearings. The clevis and the worm gear mesh with each other. One end of the worm gear is fixedly connected to the output end of the geared motor.

[0009] Furthermore, the lifting assembly includes a positioning plate, which is fixedly installed on the top surface of the equipment base. A lifting motor is installed on one side surface of the positioning plate. A winding reel is installed on the inner wall of the positioning plate. A steel wire is wound on the outer surface of the winding reel. A positioning frame is fixedly installed on the top surface of the column. A guide wheel is rotatably installed on the outer surface of the positioning frame. A compaction rod is installed at the end of the steel wire. A clamp is provided on the top surface of the compaction rod. A thread is formed on the outer surface of the compaction rod.

[0010] Furthermore, the output end of the crane motor is fixedly connected to one end of the winding reel, one end of the steel wire passes around the guide wheel and emerges from the inside of the positioning hole, the outer surface of the guide wheel is in rotatable contact with the outer surface of the steel wire, and the clamp is movably inserted into the positioning hole.

[0011] Furthermore, the support assembly includes a balance frame, which is rotatably mounted on one side surface of the equipment base. A hydraulic support leg is mounted on the top surface of the balance frame, and a support column is mounted on the top surface of the equipment base.

[0012] Further, the balance frame is two respectively distributed on one side and the other side surface of the equipment base, the top surface of each balance frame is correspondingly distributed with a hydraulic support foot, the extension end of the hydraulic support foot is extended from the top end of the balance frame to the bottom end surface, the support column is two equidistantly distributed on the top surface of the equipment base, the other end of the two support columns is respectively fixedly connected with one side surface of the two columns.

[0013] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0014] The hydraulic extrusion device for foundation reinforcement, by ingeniously designing the extrusion rod with threads into a combination of impact compaction and rotary drilling function, and cooperating with the assembly shell driven by the hydraulic rod and the rotating mechanism driven by the reduction motor, realizes the composite reinforcement effect of rotating into a hole and then high-energy impact compaction on the same set of equipment, significantly improves the construction efficiency and reinforcement quality, thereby making up for the defects of the prior art that the backfill material needs to be vertically impact compacted with high energy to further improve the pile strength and soil compactness between piles, and then needs to be replaced with an independent heavy tamping equipment, resulting in complicated construction process, high equipment transfer cost, and prolonged overall construction period. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall external structure schematic diagram of the present application is shown;

[0016] Figure 2 Another angle of the overall external structure schematic diagram of the present application is shown;

[0017] Figure 3 The overall side structure schematic diagram of the present application is shown;

[0018] Figure 4 The assembly shell structure schematic diagram of the present application is shown;

[0019] Figure 5 The assembly shell internal structure schematic diagram of the present application is shown;

[0020] Figure 6 The cooperating ring structure schematic diagram of the present application is shown;

[0021] Figure 7 The extrusion rod structure schematic diagram of the present application is shown;

[0022] Figure 8 The extrusion rod structure schematic diagram of the present application is shown; Figure 2 The structure enlarged schematic diagram of the present application is shown.

[0023] Legend: 1, device base; 2, stand; 3, hydraulic rod; 4, connecting plate; 5, assembly shell; 6, positioning bearing; 7, matching ring; 71, clamping tooth; 8, worm; 9, speed reducer motor; 72, positioning hole; 10, positioning plate; 11, hoisting motor; 12, winding wheel; 13, steel wire; 14, positioning frame; 15, guide wheel; 16, extrusion rod; 161, clamping head; 162, thread; 17, balance frame; 18, hydraulic support foot; 19, support column. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] It should be noted that in the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] As Figures 1-8As shown, a hydraulic extrusion device for foundation reinforcement comprises a device base 1 and a column 2 fixedly installed on the top surface of the device base 1, a hydraulic rod 3 is installed on the top surface of the column 2, the column 2 is two, the two columns 2 are equidistantly distributed on the top surface of the device base 1, the top surface of each column 2 corresponds to distribute a hydraulic rod 3, one end of the hydraulic rod 3 extends from the top surface of the column 2 to the inside thereof, the extending end of each hydraulic rod 3 corresponds to distribute a connecting plate 4, the two connecting plates 4 are fixedly connected between the assembly shell 5, the assembly shell 5 is slidingly connected between the two columns 2, the extending end of the hydraulic rod 3 is installed with the connecting plate 4, the outer surface of the column 2 is installed with the assembly shell 5, the inside of the assembly shell 5 is installed with a locating bearing 6, the locating bearing 6 is two and is respectively distributed on the inner wall top and bottom surface of the assembly shell 5, the assembly shell 5 is rotatably connected between the locating bearing 6 and the matching ring 7, the pawl 71 and the worm 8 are intermeshed, one end of the worm 8 is fixedly connected with the output end of the speed reducer 9, the inner wall of the locating bearing 6 is installed with the matching ring 7, the inner wall of the matching ring 7 is provided with a positioning hole 72, the outer surface of the matching ring 7 is provided with a pawl 71, the inner wall of the assembly shell 5 is rotatably installed with the worm 8, one side surface of the assembly shell 5 is fixedly installed with the speed reducer 9, the locating bearing 6 is two and is respectively distributed on the inner wall top and bottom surface of the assembly shell 5, the assembly shell 5 is rotatably connected between the locating bearing 6 and the matching ring 7, the pawl 71 and the worm 8 are intermeshed, one end of the worm 8 is fixedly connected with the output end of the speed reducer 9, the top surface of the device base 1 is installed with a hoisting assembly, one side surface of the device base 1 is installed with a supporting assembly;

[0027] In the embodiment of the application, as the hydraulic rod 3 continuously extends, the assembly shell 5 moves to the height position of the top of the extrusion rod 16 at this time, because the top diameter of the chuck 161 provided at the top of the extrusion rod 16 is smaller than the positioning hole 72 provided in the inside of the matching ring 7, at this time, the matching ring 7 and the positioning hole 72 which continuously descend with the assembly shell 5 are sleeved on the outer surface of the chuck 161, so that the positioning hole 72 is positioned on the chuck 161, when the chuck 161 and the positioning hole 72 are interlocked, at this time, the hydraulic rod 3 still continues to move downward, so that the end of the extrusion rod 16 is extruded into the ground by extrusion, and because the matching ring 7 is in a rotating state at this time, the rotating matching ring 7 drives the extrusion rod 16 to rotate at this time, because the outer surface of the extrusion rod 16 is provided with threads 162, the rotating extrusion rod 16 can use the threads 162 to drill holes in the inner wall of the pile hole at this time, and the soil in the pile hole is further extruded while drilling holes by the downward pressure provided by the hydraulic rod 3;

[0028] The lifting assembly comprises a positioning plate 10 fixedly installed on the top surface of the equipment base 1, one side surface of the positioning plate 10 is provided with a lifting motor 11, the inner wall of the positioning plate 10 is provided with a winding wheel 12, the outer side surface of the winding wheel 12 is wound with a steel wire 13, the top end surface of the stand 2 is fixedly provided with a positioning frame 14, the outer side surface of the positioning frame 14 is rotatably provided with a guide wheel 15, the tail end of the steel wire 13 is provided with a compacting rod 16, the top end surface of the compacting rod 16 is provided with a clamping head 161, the outer side surface of the compacting rod 16 is provided with a thread 162, one end of the steel wire 13 is wound around the guide wheel 15 and passes through the inside of the positioning hole 72, the outer side surface of the guide wheel 15 is in rotational contact with the outer side surface of the steel wire 13, and the clamping head 161 is movably inserted between the positioning hole 72;

[0029] The supporting assembly comprises a balance frame 17 rotatably installed on one side surface of the equipment base 1, the top end surface of the balance frame 17 is provided with a hydraulic supporting foot 18, the top end surface of the equipment base 1 is provided with a supporting column 19, the balance frame 17 is provided with two balance frames 17 respectively distributed on one side and the other side surface of the equipment base 1, the top end surface of each balance frame 17 is correspondingly provided with a hydraulic supporting foot 18, the extending end of the hydraulic supporting foot 18 extends from the top end of the balance frame 17 to the bottom end surface thereof, and the supporting column 19 is provided with two supporting columns 19 equidistantly distributed on the top end surface of the equipment base 1, and the other ends of the two supporting columns 19 are respectively fixedly connected with one side surfaces of the two stands 2.

[0030] Specific use process:

[0031] When the hydraulic compacting device for foundation reinforcement is needed, the equipment base 1 is moved to the foundation where the compacting operation is needed by the transportation equipment, and the equipment base 1 is placed on the ground to adjust the balance. After the adjustment is completed, the balance frame 17 rotatably installed on both sides of the equipment base 1 is manually rotated, and after the rotation is completed, the hydraulic supporting foot 18 is started to make the hydraulic supporting foot 18 extend to contact the ground. The hydraulic supporting foot 18 and the balance frame 17 provide better stability for the equipment. When the compacting operation on the foundation is needed after the adjustment is completed, the lifting motor 11 is started to drive the winding wheel 12 to rotate. The rotating winding wheel 12 winds the steel wire 13 to realize traction on the compacting rod 16, and lifts the hammer to make it away from the ground. When the compacting rod 16 is at a certain height from the ground, the starting of the lifting motor 11 is stopped, so that the compacting rod 16 freely falls and hammers on the ground surface. Through continuous reciprocating operation, the foundation is preliminarily rammed;

[0032] When the continuous ramming of the ground causes the ground to appear pile hole, the ground is again rammed by the extruding rod 16, after the ramming is completed, the hoisting motor 11 is started to wind the extruding rod 16 to the vertical state through the winding wheel 12, so that the extruding rod 16 is in the state of contacting the ground but vertically upward, after the extruding rod 16 is in the vertical state, the hydraulic rod 3 and the speed reducer motor 9 are started, the extension end of the hydraulic rod 3 is provided with the connecting plate 4, and the connecting plate 4 is fixedly connected with the assembly shell 5, so that when the hydraulic rod 3 extends, the assembly shell 5 is driven to move downward along the stand column 2 through the connecting plate 4, since the speed reducer motor 9 is in the starting state at this time, the speed reducer motor 9 started at this time drives the worm 8 installed at the output end to rotate, the worm 8 and the pawl 71 are intermeshed, so that when the speed reducer motor 9 is started, the pawl 71 and the matching ring 7 are driven to rotate through the worm 8, at this time, the speed reducer motor 9 is in the low-power state to drive the matching ring 7 to slowly rotate on the inner wall of the locating bearing 6, with the continuous extension of the hydraulic rod 3, the assembly shell 5 moves to the height position of the top of the extruding rod 16, since the top diameter of the chuck 161 provided at the top of the extruding rod 16 is smaller than the positioning hole 72 provided in the matching ring 7, at this time, the matching ring 7 and the positioning hole 72 which continuously descend with the assembly shell 5 are sleeved on the outer surface of the chuck 161, so that the positioning hole 72 includes the chuck 161, when the chuck 161 and the positioning hole 72 are interlocked, the hydraulic rod 3 still continues to move downward, so as to extrude the end of the extruding rod 16 into the ground, and since the matching ring 7 is in the rotating state at this time, the rotating matching ring 7 drives the extruding rod 16 to rotate at this time, and the outer surface of the extruding rod 16 is provided with threads 162, so that the rotating extruding rod 16 uses the threads 162 to turn the hole in the inner wall of the pile hole, and further extrudes the soil in the pile hole by the downward pressure provided by the hydraulic rod 3 at the same time of turning the hole.

[0033] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. Hydraulic compaction device for ground consolidation, comprising a device base (1) and a column (2) fixedly mounted on the top end surface of the device base (1), characterized in that: The top surface of the column (2) is provided with a hydraulic rod (3), the extending end of the hydraulic rod (3) is provided with a connecting plate (4), the outer surface of the column (2) is provided with a assembly shell (5), the inside of the assembly shell (5) is provided with a locating bearing (6), the inner wall of the locating bearing (6) is provided with a matching ring (7), the inner wall of the matching ring (7) is provided with a positioning hole (72), the outer surface of the matching ring (7) is provided with a clamping tooth (71), the inner wall of the assembly shell (5) is rotatably provided with a worm (8), one side surface of the assembly shell (5) is fixedly provided with a speed reducer motor (9), the top surface of the equipment base (1) is provided with a lifting assembly, one side surface of the equipment base (1) is provided with a supporting assembly.

2. The hydraulic compaction apparatus for ground reinforcement according to claim 1, wherein The column (2) is two, two column (2) equidistantly distributed on the top surface of the equipment base (1), the top surface of each column (2) is correspondingly provided with a hydraulic rod (3), one end of the hydraulic rod (3) extends from the top surface of the column (2) to the inside thereof, the extending end of each hydraulic rod (3) is correspondingly provided with a connecting plate (4), two connecting plates (4) are fixedly connected between the assembly shell (5), the assembly shell (5) and the two columns (2) are slidingly connected.

3. The hydraulic compaction apparatus for ground reinforcement according to Claim 1, wherein The locating bearing (6) is two respectively distributed on the inner wall top and bottom surface of the assembly shell (5), the assembly shell (5) is rotatably connected between the locating bearing (6) and the matching ring (7), the clamping tooth (71) and the worm (8) are engaged with each other, one end of the worm (8) is fixedly connected with the output end of the speed reducer motor (9).

4. The hydraulic compaction apparatus for ground reinforcement according to Claim 1, wherein The lifting assembly comprises a locating plate (10), the locating plate (10) is fixedly installed on the top surface of the equipment base (1), one side surface of the locating plate (10) is provided with a lifting motor (11), the inner wall of the locating plate (10) is provided with a winding wheel (12), the outer surface of the winding wheel (12) is wound with a steel wire (13), the top surface of the column (2) is fixedly provided with a locating frame (14), the outer surface of the locating frame (14) is rotatably provided with a guide wheel (15), the end of the steel wire (13) is provided with a compacting rod (16), the top surface of the compacting rod (16) is provided with a clamping head (161), the outer surface of the compacting rod (16) is provided with a thread (162).

5. Hydraulic compaction apparatus for ground consolidation according to claim 4, characterized in that The output end of the lifting motor (11) is fixedly connected with one end of the winding wheel (12), one end of the steel wire (13) passes through the inside of the guide wheel (15) and the positioning hole (72), the outer surface of the guide wheel (15) is in rotational contact with the outer surface of the steel wire (13), the clamping head (161) is movably inserted into the positioning hole (72).

6. The hydraulic compaction apparatus for ground reinforcement according to Claim 1, wherein The supporting assembly comprises a balance frame (17), the balance frame (17) is rotatably installed on one side surface of the equipment base (1), the top surface of the balance frame (17) is provided with a hydraulic support foot (18), the top surface of the equipment base (1) is provided with a supporting column (19).

7. Hydraulic compaction apparatus for ground consolidation according to claim 6, characterized in that The balance frame (17) is two respectively distributed on one side and the other side surface of the equipment base (1), the top surface of each balance frame (17) is correspondingly distributed with a hydraulic support foot (18), the extension end of the hydraulic support foot (18) is extended from the top end of the balance frame (17) to the bottom end surface, the support column (19) is two equidistantly distributed on the top surface of the equipment base (1), the other end of the two support columns (19) is respectively fixedly connected with one side surface of the two columns (2).

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