Grouting device for foundation reinforcement

Abstract

The utility model discloses a grouting device for foundation reinforcement, and relates to the technical field of foundation repair, the grouting device comprises a multi-way switching disc, four grouting storage tanks are uniformly arranged at the top end of the multi-way switching disc, and two mounting racks which are parallel to each other left and right are arranged at the bottom end of the multi-way switching disc; a grouting main pipe is arranged in the middle of the bottom end of the multi-way switching disc, a grouting gun head is fixedly connected to the bottom end of the grouting main pipe, and the four grouting storage tank boxes are combined into a cylinder. According to the grouting device for foundation reinforcement, the valve element driving motor drives the distribution valve element to rotate, rapid switching of grout in different grouting storage tank boxes is achieved, the grout can be rapidly replaced without complex operation, the grouting efficiency is greatly improved, the grout can be effectively pushed through the spiral conveying paddle, particulate matter accumulation is prevented, and the grouting efficiency is improved. Particulate matters in grout with different concentrations are prevented from being clamped into the device in the grouting process, the normal operation of the device is guaranteed, and the operation stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundation repair, specifically is a grouting device for foundation reinforcement. BACKGROUND

[0002] The ground soil usually has various pores and cracks, which can reduce the strength and stability of the foundation. The slurry, such as cement slurry, injected by the grouting device can be bonded with soil particles after solidification in the soil body, forming a high-strength composite, thereby improving the shear strength and compressive strength of the soil body and reducing the deformation and settlement of the foundation. When encountering soft soil layers such as silt and soft clay, the grouting device can inject reinforcing slurry into the soft soil layers to reinforce and improve the soft soil layers, improving the mechanical properties of the soft soil layers to meet the requirements of buildings on the foundation.

[0003] The existing technology has the following problems:

[0004] In the grouting construction for foundation reinforcement, when different geological conditions or different reinforcement requirements are encountered, the slurry in the grouting device needs to be replaced in time to better adapt to different foundation environments and reinforcement requirements. However, the steps for replacing different raw materials of the slurry are complicated, resulting in low efficiency of grouting, affecting the work progress, and in the process of injection, the particles in the slurry of different concentrations can be stuck in the device during grouting, affecting the normal operation of the device, reducing the overall progress of the work, and resulting in low stability of the device operation. UTILITY MODEL CONTENTS

[0005] To overcome the shortcomings of the prior art, the utility model provides a grouting device for foundation reinforcement, which solves the problems of low convenience caused by frequent switching of slurry and failure caused by particles in the slurry being stuck in the device.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a grouting device for foundation reinforcement includes a multi-way switching disc, four grouting storage tank boxes are uniformly arranged at the top end of the multi-way switching disc, two left and right parallel mounting racks are arranged at the bottom end of the multi-way switching disc, a grouting main pipe is arranged at the middle part of the bottom end of the multi-way switching disc, a grouting gun head is fixedly connected to the bottom end of the grouting main pipe, and the four grouting storage tank boxes are combined in a cylindrical shape.

[0007] Preferably, the multi-way switching disc includes a multi-way distribution disc, a fixed outer frame is fixedly connected to the outer surface of the multi-way distribution disc, a distribution valve core is rotatably connected to the middle part of the multi-way distribution disc, the top end and the bottom end of the distribution valve core extend to the outer side of the upper and lower ends of the multi-way distribution disc respectively, a valve core drive motor is arranged at the top end of the distribution valve core, the valve core drive motor is fixedly connected to the center of the cylindrical shape formed by the four grouting storage tank boxes, and the bottom end of the grouting storage tank box is fixedly connected to the top end of the multi-way distribution disc.

[0008] Preferably, the multi-way distribution disc comprises a distribution main disc, the outer surface of the distribution main disc is fixedly connected to the inner side of the fixed outer frame, the top end of the distribution main disc is fixedly connected to the bottom end of the grouting storage tank box, a valve core rotating opening is arranged in the middle of the distribution main disc, a distribution valve core is rotatably connected to the inner side of the valve core rotating opening, four grouting flow channels are uniformly arranged on the outer surface of the distribution main disc and are in communication with the valve core rotating opening, a grouting inlet is arranged at the top end of the grouting flow channel and is in communication with the interior of the nearest grouting storage tank box, a spiral conveying paddle is arranged on the inner side of the grouting flow channel, a driving column is fixedly connected to the end of the spiral conveying paddle away from the valve core rotating opening, a driving motor is arranged at the end of the driving column away from the spiral conveying paddle, a partition plate is rotatably connected to the outer surface of the driving column, the outer surface of the partition plate is fixedly connected to the inner side of the grouting flow channel, the end of the spiral conveying paddle away from the valve core rotating opening is close to the partition plate, and the outer surface of the driving motor is fixedly connected to the interior of the fixed outer frame.

[0009] Preferably, the outer diameter of the spiral conveying paddle is equal to the inner diameter of the grouting flow channel.

[0010] Preferably, the distribution valve core comprises a valve core main body, a rubber ring is fixedly connected to the middle of the outer surface of the valve core main body, the valve core main body is rotatably connected to the inner side of the valve core rotating opening, the top end of the valve core main body is fixedly connected to the bottom end of the valve core driving motor output end, a connecting pipe is fixedly connected to the bottom end of the valve core main body, and the valve core main body and the rubber ring jointly form a grouting through hole in communication with the connecting pipe.

[0011] Preferably, the grouting through hole is in communication with the grouting flow channel, the inner diameter of the grouting through hole is the same as the inner diameter of the grouting flow channel, and the inner diameter of the connecting pipe is the same as the inner diameter of the grouting through hole.

[0012] Preferably, the grouting main pipe comprises a connecting head, the inner side of the connecting head is fixedly connected to the outer surface of the connecting pipe, the connecting head is conical, a folding grouting pipe is rotatably connected to the outer surface of the connecting head, and the bottom end of the folding grouting pipe is fixedly connected to the top end of the grouting gun head.

[0013] The utility model provides xx. Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The grouting device for foundation reinforcement, through the multi-way switch plate, four grouting storage tank boxes are uniformly distributed at the top, the distribution valve core is driven by the valve core driving motor to rotate, the rapid switching of the slurry in different grouting storage tank boxes is realized, the problem of complicated steps in the prior art when different raw material slurries are replaced is solved, when different geological conditions or reinforcement requirements are encountered, the slurry can be quickly replaced without complex operation, the grouting efficiency is greatly improved, the work progress is avoided due to slurry replacement, the construction can be adjusted in time according to the actual situation, the slurry is better adapted to different foundation environments and reinforcement requirements.

[0015] 2. The grouting device for foundation reinforcement, the spiral conveying paddle is arranged in the grouting flow channel and is driven by the driving motor, the outer diameter of the spiral conveying paddle is equal to the inner diameter of the grouting flow channel, the slurry can be effectively pushed, the particle accumulation is prevented, the particle in the slurry of different concentrations is prevented from being stuck in the device during the grouting process, the normal operation of the device is ensured, the stability of the device operation is improved, the shutdown caused by failure is reduced, and the overall progress of the work is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the multi-way switch plate of the utility model;

[0018] Figure 3 It is a structural schematic view of the multi-way distribution plate of the utility model;

[0019] Figure 4 It is a structural schematic view of the distribution valve core of the utility model;

[0020] Figure 5 It is a structural schematic view of the grouting main pipe of the utility model.

[0021] In the drawing: 1, grouting storage tank box; 2, mounting frame; 3, multi-way switch plate; 31, fixed outer frame; 32, multi-way distribution plate; 321, grout inlet; 322, grouting flow channel; 323, driving motor; 324, cleaning port; 325, driving column; 326, spiral conveying paddle; 327, valve core rotating port; 328, distribution main plate; 33, distribution valve core; 331, rubber ring; 332, valve core main body; 333, grouting through port; 334, connecting pipe; 34, valve core driving motor; 4, grouting main pipe; 41, connecting head; 42, folding grouting pipe; 5, grouting gun head. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a technical scheme: a grouting device for foundation reinforcement,

[0024] Including four grouting storage tank boxes 1 that are uniformly arranged at the top end of the multi-pass switching disc 3, two left and right parallel mounting racks 2 that are arranged at the bottom end of the multi-pass switching disc 3, a grouting main pipe 4 that is arranged at the middle part of the bottom end of the multi-pass switching disc 3, and a grouting gun head 5 that is fixedly connected to the bottom end of the grouting main pipe 4, the four grouting storage tank boxes 1 are combined in a cylindrical shape.

[0025] The four grouting storage tank boxes 1 are filled with different types of grout respectively to adapt to different geological conditions and reinforcement requirements, the mounting rack 2 is used to stably place the whole device on a construction mobile tool, when grouting operation is needed, the multi-pass switching disc 3 is started, the grouting storage tank box 1 corresponding to the required grout is communicated with the grouting main pipe 4, this process enables the specific grout to flow smoothly from the grouting storage tank box 1 to the grouting main pipe 4, after the grout enters the grouting main pipe 4, it is finally sprayed to the target area of the foundation through the grouting gun head 5 fixedly connected at the bottom end.

[0026] Please refer to Figure 2 The multi-pass switching disc 3 comprises a multi-pass distribution disc 32, a fixed outer frame 31 is fixedly connected to the outer surface of the multi-pass distribution disc 32, a distribution valve core 33 is rotatably connected to the middle part of the multi-pass distribution disc 32, the top end and the bottom end of the distribution valve core 33 extend to the outside of the upper end and the lower end of the multi-pass distribution disc 32 respectively, a valve core driving motor 34 is arranged at the top end of the distribution valve core 33, the outer surface of the valve core driving motor 34 is fixedly connected to the center of the cylinder formed by the four grouting storage tank boxes 1, and the bottom end of the grouting storage tank box 1 is fixedly connected to the top end of the multi-pass distribution disc 32.

[0027] When it is needed to switch the type of grout for grouting, the valve core driving motor 34 is started to drive the distribution valve core 33 to rotate, with the rotation of the distribution valve core 33, the relative position between the distribution valve core 33 and the multi-pass distribution disc 32 changes, which enables different grouting storage tank boxes 1 to be communicated with the grouting main pipe 4, thereby realizing the switching of different grouts and meeting the requirements of foundation reinforcement under different geological conditions.

[0028] Wherein the valve core drive motor 34 can be through the reserved channel with the outside power supply, through the PWM control technology can control the rotation amplitude of the motor, to set the control distribution valve core 33 rotation angle, to open and close the channel effect, for the prior art, not here to explain.

[0029] Please refer to Figure 3 , multi-pass distribution disc 32 includes distribution main disc 328, distribution main disc 328 outer surface fixedly connected to the inside of the fixed frame 31, distribution main disc 328 top end fixedly connected to the grouting storage tank box 1 bottom end, distribution main disc 328 middle part is provided with up and down through valve core rotating mouth 327, distribution valve core 33 rotatingly connected to the inside of the valve core rotating mouth 327, distribution main disc 328 outer surface is uniformly provided with four grouting flow channel 322 communicated with valve core rotating mouth 327, grouting flow channel 322 top end is provided with grouting inlet 321 communicated with the nearest grouting storage tank box 1 inside, grouting flow channel 322 inside is provided with screw conveyor paddle 326, screw conveyor paddle 326 far away from the one end of the valve core rotating mouth 327 is fixedly connected with drive column 325, drive column 325 far away from the one end of the screw conveyor paddle 326 is provided with drive motor 323, drive column 325 outer surface is rotatably connected with the partition plate, the partition plate outer surface is fixedly connected to the inside of grouting flow channel 322, screw conveyor paddle 326 far away from the one end of the valve core rotating mouth 327 is close to the partition plate, drive motor 323 outer surface is fixedly connected to the inside of the fixed frame 31, grouting flow channel 322 bottom side is provided with cleaning port 324 on the side of the partition plate far away from the screw conveyor paddle 326, screw conveyor paddle 326 outer diameter is equal to grouting flow channel 322 inner diameter.

[0030] Four grouting storage tank box 1 has been filled with different grout, grouting inlet 321 at the top of grouting flow channel 322 is communicated with the nearest grouting storage tank box 1 inside, for the grout conveying to establish a passage, when need to send grout in a grouting storage tank box 1 to grouting main pipe 4, start drive motor 323, drive motor 323 drives drive column 325 to rotate, drive column 325 drives the screw conveyor paddle 326 fixedly connected with it to rotate in grouting flow channel 322, because the screw conveyor paddle 326 outer diameter is equal to grouting flow channel 322 inner diameter, so the screw conveyor paddle 326 can fully contact and push the grout in grouting flow channel 322 when rotating, can clean the drive column 325 outside the partition plate through cleaning port 324, prevent the grout from sticking to the outside and affect the output motor.

[0031] Please refer to Figure 4The distribution valve core 33 comprises a valve core body 332, a rubber ring 331 fixedly connected to the middle part of the outer surface of the valve core body 332, the valve core body 332 rotatably connected to the inner side of the valve core rotating port 327, the valve core body 332 fixedly connected to the bottom end of the output end of the valve core driving motor 34, the valve core body 332 fixedly connected with a connecting pipe 334, the valve core body 332 and the rubber ring 331 are provided with a grouting through hole 333 in communication with the connecting pipe 334, the grouting through hole 333 is in communication with the grouting flow channel 322, the inner diameter of the grouting through hole 333 is the same as that of the grouting flow channel 322, and the inner diameter of the connecting pipe 334 is the same as that of the grouting through hole 333.

[0032] When it is necessary to switch the grout in the grouting storage tank 1, the valve core driving motor 34 is operated to drive the valve core body 332 to rotate in the valve core rotating port 327, and with the rotation of the valve core body 332, the grouting through hole 333 also rotates to change the position, when the grouting through hole 333 rotates to align with the target grouting flow channel 322 and is in communication, the grouting flow channel 322 reaches the grouting flow channel 322, which ensures that the grout can smoothly flow from the grouting flow channel 322 into the grouting through hole 333, and the grout in the grouting flow channel 322 flows into the connecting pipe 334 through the grouting through hole 333, and finally flows to the grouting main pipe 4, and then is injected into the foundation through the grouting gun head to realize the grouting operation.

[0033] Please refer to Figure 5 The grouting main pipe 4 comprises a connecting head 41 fixedly connected to the outer surface of the lower side of the connecting pipe 334, the connecting head 41 is conical, the connecting head 41 is rotatably connected with a folding grouting pipe 42, and the folding grouting pipe 42 is fixedly connected to the top end of the grouting gun head 5.

[0034] The conical connecting head 41 can ensure that the grout does not flow back during grouting, and at the same time, the folding grouting pipe 42 can ensure various directions and distances of grouting through the telescopic characteristics and relative rotation with the connecting head 41.

[0035] The working principle will be described in detail below.

[0036] As Figures 1-5As shown, first, four grouting storage tanks 1 are filled with different types of slurry respectively, the device is stably placed on the construction mobile tool by using the mounting frame 2, the multi-way switching disc 3 is started, the distribution valve core 33 is driven to rotate by the valve core driving motor 34, the grouting storage tank 1 storing the required slurry is connected with the grouting main pipe 4, the driving motor 323 in the multi-way distribution disc 32 grouting flow channel 322 is started, the spiral conveying paddle 326 is driven to rotate, the slurry is pushed from the grouting storage tank 1 to the grouting main pipe 4 through the grouting flow channel 322, the grouting through hole 333 and the connecting pipe 334, the slurry is sprayed to the target area of the foundation through the grouting gun head 5 at the bottom end of the grouting main pipe 4, and the folding grouting pipe 42 can be rotated during the period, the folding grouting pipe 42 can be stretched and retracted and rotated with the connecting head 41 to adjust the grouting direction and distance.

[0037] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0038] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations. The statement "includes a limited element" does not exclude the existence of another same element in the process, method, article or equipment including the element.

[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A grouting device for ground reinforcement comprising a multiple-pass switching disc (3), characterised in that: The four grouting storage tank boxes (1) are uniformly arranged at the top of the multi-pass switching disc (3), two left and right parallel mounting racks (2) are arranged at the bottom of the multi-pass switching disc (3), a grouting main pipe (4) is arranged at the middle of the bottom of the multi-pass switching disc (3), and a grouting gun head (5) is fixedly connected to the bottom of the grouting main pipe (4); the four grouting storage tank boxes (1) are combined in a cylindrical shape.

2. The grouting device for ground reinforcement according to claim 1, characterized in that: The multi-pass switching disc (3) comprises a multi-pass distribution disc (32), a fixed outer frame (31) is fixedly connected to the outer surface of the multi-pass distribution disc (32), a distribution valve core (33) is rotatably connected to the middle of the multi-pass distribution disc (32), the top and bottom ends of the distribution valve core (33) extend to the outer side of the upper and lower ends of the multi-pass distribution disc (32) respectively, a valve core driving motor (34) is arranged at the top end of the distribution valve core (33), the outer surface of the valve core driving motor (34) is fixedly connected to the center of the cylindrical shape formed by the four grouting storage tank boxes (1), and the bottom end of the grouting storage tank box (1) is fixedly connected to the top end of the multi-pass distribution disc (32).

3. The grouting device for ground reinforcement according to claim 2, characterized in that: The multi-pass distribution disc (32) comprises a distribution main disc (328), the outer surface of the distribution main disc (328) is fixedly connected to the inner side of the fixed outer frame (31), the top end of the distribution main disc (328) is fixedly connected to the bottom end of the grouting storage tank box (1), a valve core rotating opening (327) is arranged in the middle of the distribution main disc (328), the distribution valve core (33) is rotatably connected to the inner side of the valve core rotating opening (327), four grouting flow channels (322) are uniformly arranged on the outer surface of the distribution main disc (328) and communicate with the valve core rotating opening (327), an inlet opening (321) is arranged at the top end of the grouting flow channel (322) and communicates with the inside of the nearest grouting storage tank box (1), a spiral conveying paddle (326) is arranged in the grouting flow channel (322), a driving column (325) is fixedly connected to one end of the spiral conveying paddle (326) away from the valve core rotating opening (327), a driving motor (323) is arranged at one end of the driving column (325) away from the spiral conveying paddle (326), a partition plate is rotatably connected to the outer surface of the driving column (325), the partition plate is fixedly connected to the inner side of the grouting flow channel (322), one end of the spiral conveying paddle (326) away from the valve core rotating opening (327) is close to the partition plate, the outer surface of the driving motor (323) is fixedly connected to the inside of the fixed outer frame (31), and a cleaning opening (324) is arranged at the bottom side of the grouting flow channel (322) away from the spiral conveying paddle (326).

4. The grouting device for ground reinforcement according to claim 3, characterized in that: The outer diameter of the spiral conveying paddle (326) is equal to the inner diameter of the grouting flow channel (322).

5. The grouting device for ground reinforcement according to claim 3, characterized in that: The distribution valve core (33) includes a valve core body (332), the rubber ring (331) is fixedly connected to the middle part of the outer surface of the valve core body (332), the valve core body (332) is rotatably connected to the inner side of the valve core rotating port (327), the valve core body (332) is fixedly connected to the bottom end of the output end of the valve core driving motor (34), the valve core body (332) is fixedly connected with the connecting pipe (334), and the valve core body (332) and the rubber ring (331) are jointly provided with the grouting through hole (333) which is communicated with the connecting pipe (334).

6. The grouting device for ground reinforcement according to claim 5, characterized in that: The grouting through hole (333) can be communicated with the grouting flow channel (322), the inner diameter of the grouting through hole (333) is the same as that of the grouting flow channel (322), and the inner diameter of the connecting pipe (334) is the same as that of the grouting through hole (333).

7. A grouting device for ground reinforcement according to claim 6, characterized in that: The grouting main pipe (4) includes a connecting head (41), the inner side of the connecting head (41) is fixedly connected to the outer surface of the lower side of the connecting pipe (334), the connecting head (41) is conical, the outer surface of the connecting head (41) is rotatably connected with the folding grouting pipe (42), and the bottom end of the folding grouting pipe (42) is fixedly connected to the top end of the grouting gun head (5).

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