Grouting device for foundation and foundation engineering

Abstract

The utility model discloses a grouting device for foundation and foundation engineering, which belongs to the technical field of grouting devices and comprises a support frame, a stirrer fixedly mounted at the upper end of the support frame, a grouting mechanism arranged at the right end of the support frame, a pushing mechanism arranged above the support frame, an inflating ring fixedly mounted at the upper end of a lower inserting column, and a grouting mechanism arranged at the lower end of the lower inserting column. The grouting mechanism further comprises a lower plug, the lower plug is fixedly installed at the lower end of the lower inserting column, a connecting plate is fixedly installed at the upper end of the inflation ring, and the lower end of the inflation ring is fixedly connected with an inflation cushion which is made of a multi-layer composite material, and the transmission end of the hydraulic cylinder is fixedly connected with a butt joint base which is located above the lower inserting column. According to the grouting device for the foundation and foundation engineering, through organic cooperation of a soil texture adaptation sealing grouting system of the grouting mechanism and a precise hydraulic positioning system of the pushing mechanism, on the premise that the structure is simple and reliable, the loss rate of grouting materials is reduced, and the grouting efficiency is improved. And the grouting clamping effect is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to grouting device technical field, concretely is a grouting device of foundation and basic engineering. BACKGROUND

[0002] Foundation and basic engineering is the important component in building engineering, is related to building load transmission and stability problem, foundation is the stratum part under building and bears all load, and foundation is the part of building and foundation contact, is responsible for the load of upper structure transmission safely to foundation under foundation engineering, mainly studies the foundation problem under various loads and under different engineering geological conditions, ensures that building and rock-soil layer can bear various deformation and stability challenge together when interacting, thereby guaranteeing long-term safety and stability of building, grouting device is a kind of building equipment for foundation reinforcement, crack repair and waterproof treatment, it improves the bearing capacity of foundation, prevents water seepage or fills structural crack by injecting liquid slurry into soil or rock fissure.

[0003] The patent document with the application number CN202323215285.4 discloses a grouting device for foundation and basic engineering, wherein "it comprises a bottom plate, universal wheels, a push rod, a grouting mechanism main body, a slurry conveying pipe and a fixing mechanism. The grouting mechanism main body is arranged at the top middle end of the bottom plate, the grouting mechanism main body is connected with the slurry conveying pipe at the front end, the other end of the slurry conveying pipe away from the grouting mechanism main body is connected with the fixing mechanism, the fixing mechanism comprises a top ring, supporting feet, a supporting plate, extension rods and a connecting mechanism, and the fixing mechanism can realize the fixation and limiting of the slurry conveying pipe through the cooperation of the components, so as to avoid the swing of the slurry conveying pipe and the disengagement from the hole position due to the excessive grouting pressure during the grouting process, and the deficiency that manual holding is required around the grouting device is optimized, the labor of workers is liberated, and the grouting device has strong practicability", based on the above patent, and combined with the grouting device in the prior art, it is found that the existing grouting device is prone to material waste due to the leakage of slurry from soft soil layers or cracks during grouting. In addition, the grouting device cannot extrude slurry into hard soil, and the slurry flows randomly in soft soil, so that the reinforcement is uneven.

[0004] Therefore, the utility model designs a grouting device for foundation and basic engineering to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a grouting device for foundation and basic engineering to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of ground and foundation engineering grouting device, including support frame, the upper end of the support frame is fixedly installed with mixer, the right end of the support frame is provided with grouting mechanism, the upper of the support frame is provided with push mechanism, the grouting mechanism includes lower insertion column, inflatable ring and inflatable pad, the upper end of the lower insertion column is fixedly installed with inflatable ring, the lower end of the inflatable ring is fixedly connected with inflatable pad, the inflatable pad is multilayer composite material, the push mechanism includes hydraulic cylinder and butt joint seat, the transmission end of the hydraulic cylinder is fixedly connected with butt joint seat, the butt joint seat is located above lower insertion column.

[0008] Optionally, the grouting mechanism further includes a lower plug, and the lower end of the lower insertion column is fixedly installed with the lower plug.

[0009] Optionally, the upper end of the inflatable ring is fixedly installed with a connecting plate, the right end of the inflatable ring is fixedly connected with a gas injection pipeline, and the right end of the connecting plate is fixedly installed with a pump body support.

[0010] Optionally, the upper end of the pump body support is fixedly installed with a gas pump body, and the gas pump body and the inflatable ring are connected through the gas injection pipeline.

[0011] Optionally, the end of the lower insertion column close to the lower plug is provided with a baffle, the inner wall of the baffle is fixedly installed with a connecting column, the upper end of the connecting column is fixedly installed with a rotating rod, and the outer wall of the rotating rod is installed with a torsion spring body.

[0012] Optionally, the rear end of the lower insertion column is fixedly connected with a slurry conveying pipeline, the lower end of the mixer is fixedly connected with a slurry guide pipeline, the rear end of the slurry conveying pipeline is fixedly connected with a screw pump, and the screw pump is connected with the slurry guide pipeline.

[0013] Optionally, the push mechanism further includes a support plate, a fixed insertion column and a fixed socket, the left end of the hydraulic cylinder is fixedly installed with the support plate, the support plate is fixedly installed with the fixed insertion column, the lower end of the fixed insertion column is installed with the fixed socket, and the fixed socket is fixedly installed on the inner wall of the support frame.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In the utility model, the grouting mechanism and the push mechanism are provided, the grouting mechanism significantly improves the grouting quality and material utilization rate, the grouting control structure of the grouting mechanism is mechanically adjusted through the baffle, the torsion spring body and the screw pump pressure linkage, the electronic sensor is not needed to adapt to soil difference, high-pressure grouting can completely open the baffle to realize crack strong filling under hard soil condition, and the baffle is half-opened to release slurry under low pressure under soft soil condition; the three-layer composite structure of the inflatable pad makes it expand to generate lateral pressure, effectively compacting soil layer; the hydraulic drive system of the push mechanism realizes grouting depth control, and the grouting mechanism can be lifted in multiple sections in a short time. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic diagram of the utility model in perspective view;

[0017] Figure 2 It is a structure schematic diagram of the utility model in plan view;

[0018] Figure 3 It is a structure schematic diagram of the utility model in perspective view from above;

[0019] Figure 4 It is a structure schematic diagram of the utility model in perspective view from behind;

[0020] Figure 5 It is a structure schematic diagram of the utility model in perspective view from above; Figure 1

[0021] Figure 6 It is a structure schematic diagram of the utility model in perspective view from below;

[0022] Figure 7 It is a structure schematic diagram of the utility model in perspective view from above; Figure 2

[0023] Figure 8 It is a structure schematic diagram of the utility model in plan view from above;

[0024] Figure 9 It is a structure schematic diagram of the utility model in perspective view from above; Figure 6

[0025] It is a structure schematic diagram of the utility model in perspective view from above; Figure 10 Figure 7

[0026] In the drawing: 1, support frame; 2, mixer; 3, grouting mechanism; 301, connecting plate; 302, lower insertion column; 303, inflation ring; 304, gas injection pipeline; 305, inflatable pad; 306, lower plug; 307, baffle; 308, connecting column; 309, rotating rod; 310, torsional spring body; 311, pump body support; 312, air pump body; 313, slurry conveying pipeline; 314, screw pump; 315, slurry guide pipeline; 4, pushing mechanism; 401, hydraulic cylinder; 402, butt joint seat; 403, support plate; 404, fixed insertion column; 405, fixed socket. DETAILED DESCRIPTION

[0027] ​​​​In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0028] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of protection of the utility model.

[0030] Please refer to Figures 1-10The utility model discloses an embodiment of a kind of grouting device of foundation and foundation engineering, including support frame 1, the upper end of support frame 1 is fixedly installed with stirrer 2, the right end of support frame 1 is provided with grouting mechanism 3, the top of support frame 1 is provided with push mechanism 4, grouting mechanism 3 includes lower column 302, inflation ring 303 and inflatable pad 305, the upper end of lower column 302 is fixedly installed with inflation ring 303, the lower end of inflation ring 303 is fixedly connected with inflatable pad 305, inflatable pad 305 is multilayer composite material, grouting mechanism 3 further includes lower plug 306, the lower end of lower column 302 is fixedly installed with lower plug 306, the upper end of inflation ring 303 is fixedly installed with connecting plate 301, the right end of inflation ring 303 is fixedly connected with gas injection pipeline 304, the right end of connecting plate 301 is fixedly installed with pump body support 311, the upper end of pump body support 311 is fixedly installed with air pump body 312, air pump body 312 and inflation ring 303 are connected by gas injection pipeline 304, one end of lower column 302 close to lower plug 306 is provided with baffle 307, the inner wall of baffle 307 is fixedly installed with connecting column 308, the upper end of connecting column 308 is fixedly installed with rotating rod 309, the outer wall of rotating rod 309 is installed with torsion spring body 310, the rear end of lower column 302 is fixedly connected with slurry conveying pipeline 313, the lower end of stirrer 2 is fixedly connected with slurry guide pipeline 315, the rear end of slurry conveying pipeline 313 is fixedly connected with screw pump 314, screw pump 314 is communicated with slurry guide pipeline 315;

[0031] Before enabling, need to be in advance in stirrer 2 access control terminal and use stirrer 2 to stir to be used filling slurry, stirrer 2 is existing conventional stirrer, also need to be in advance with screw pump 314 electricity and access control terminal, when enabling, after enabling push mechanism 4 and inserting lower column 302 into grouting groove, first, start screw pump 314 to pass filling slurry in stirrer 2 to slurry conveying pipeline 313, and pass to lower column 302 by slurry conveying pipeline 313, filling slurry reaches the bottom layer of lower column 302, when meeting hard soil layer, increase the pushing pressure of screw pump 314, so that baffle 307 is completely opened by filling slurry, in this way high pressure filling slurry will rush into hard soil gap, when meeting soft soil layer, reduce the pushing pressure of screw pump 314, filling slurry can only slightly lift baffle 307, filling slurry seeps from the gap of baffle 307, in this way filling soil, above part is grouting control structure;At the same time, pressure soil structure also needs to be enabled, start air pump body 312 to inflate inflatable pad 305, multiple inflatable pad 305 are wrapped on the outer wall of lower column 302, when inflatable pad 305 inflation will squeeze the soil layer around lower column 302, in this way ramming soil, help to fill filling slurry evenly distributed and consolidation;

[0032] The grouting mechanism 3 is combined with a grouting control structure, a soil pressing structure and a material conveying structure, the inflatable pad 305 adopts a multi-layer composite material, the inner layer adopts butyl rubber as an air-tight layer, the middle layer adopts a polyester woven mesh as a tensile layer, and the outer layer is coated with polyurethane spray as a wear-resistant layer, and the inflatable pad 305 needs to be tightly installed on the lower insertion column 302; the grouting control structure enables the device to pour grout into hard soil and not to waste grout in soft soil, and the structure is simple and does not have electronic components, so it is not easy to be damaged.

[0033] The pushing mechanism 4 comprises a hydraulic cylinder 401 and a docking seat 402, the transmission end of the hydraulic cylinder 401 is fixedly connected with the docking seat 402, the docking seat 402 is located above the lower insertion column 302, the pushing mechanism 4 further comprises a supporting plate 403, a fixed insertion column 404 and a fixed insertion seat 405, the left end of the hydraulic cylinder 401 is fixedly installed with the supporting plate 403, the supporting plate 403 is fixedly installed with the fixed insertion column 404, and the lower end of the fixed insertion column 404 is installed with the fixed insertion seat 405, and the fixed insertion seat 405 is fixedly installed on the inner wall of the supporting frame 1.

[0034] Before being started, the hydraulic cylinder 401 needs to be connected to a control terminal in advance, the pushing mechanism 4 adopts the hydraulic cylinder 401 to provide power, can drive the lower insertion column 302 and other components in the grouting mechanism 3, can effectively insert the lower insertion column 302 into the grouting groove, and can control the position of grouting, and the specific process is as follows: after filling grout fills the soil layer of a region, the hydraulic cylinder 401 is started to pull upward the lower insertion column 302 and other components in the grouting mechanism 3, moves the lower insertion column 302 to another height position, and then fills grout at the position;

[0035] The working principle of the utility model is as follows: before being started, the mixer 2 uniformly stirs filling grout, the air pump body 312 and the screw pump 314 are connected to a control system, when being started, the hydraulic cylinder 401 of the pushing mechanism 4 drives the docking seat 402 to press the lower insertion column 302 and the lower insertion head 306 into the grouting groove, the fixed insertion column 404 cooperates with the fixed insertion seat 405 to ensure the stability of the lower insertion, in the grouting process, the screw pump 314 sends grout to the bottom of the lower insertion column 302 through the grout conveying pipeline 315 and the grout conveying pipeline 313, when hard soil layer is encountered, high-pressure grout pushes open the baffle 307 with the torsional spring body 310, so that the grout is strongly injected into the hard soil gap, when soft soil layer is encountered, the pump pressure is reduced, so that the baffle 307 is only slightly opened to seep grout, the air pump body 312 is started synchronously to fill air into the inflatable ring 303 and the three-layer composite inflatable pad 305 through the air injection pipeline 304, the design that the butyl rubber layer is air-tight, the polyester mesh is tensile, and the polyurethane layer is wear-resistant enables the inflatable pad 305 to strongly extrude the surrounding soft soil layer after being inflated, a dense grouting cavity is formed, the hydraulic cylinder 401 precisely lifts the lower insertion column 302 to a new height through the supporting plate 403 after the current layer grouting is completed, and the layered grouting is circularly performed.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ground and foundation engineering grouting device, comprising a support frame (1), the upper end of the support frame (1) is fixedly provided with a mixer (2), characterized in that: The right end of the support frame (1) is provided with a grouting mechanism (3), and the upper side of the support frame (1) is provided with a pushing mechanism (4), the grouting mechanism (3) comprises a lower inserting column (302), an air inflation ring (303) and an air cushion (305), the upper end of the lower inserting column (302) is fixedly installed with the air inflation ring (303), the lower end of the air inflation ring (303) is fixedly connected with the air cushion (305), the air cushion (305) is a multi-layer composite material, the pushing mechanism (4) comprises a hydraulic cylinder (401) and a butt joint seat (402), the transmission end of the hydraulic cylinder (401) is fixedly connected with the butt joint seat (402), and the butt joint seat (402) is located above the lower inserting column (302).

2. The grouting device for ground and foundation engineering according to claim 1, characterized in that: The grouting mechanism (3) further comprises a lower plug (306), and the lower end of the lower inserting column (302) is fixedly installed with the lower plug (306).

3. The grouting device for ground and foundation engineering according to claim 1, characterized in that: The upper end of the air inflation ring (303) is fixedly installed with a connecting plate (301), the right end of the air inflation ring (303) is fixedly connected with a gas injection pipeline (304), and the right end of the connecting plate (301) is fixedly installed with a pump body support (311).

4. The grouting device for ground and foundation engineering according to claim 3, characterized in that: The upper end of the pump body support (311) is fixedly installed with a gas pump body (312), and the gas pump body (312) and the air inflation ring (303) are connected in communication through the gas injection pipeline (304).

5. The grouting device for ground and foundation engineering according to claim 1, characterized in that: One end of the lower inserting column (302) close to the lower plug (306) is provided with a baffle (307), the inner wall of the baffle (307) is fixedly installed with a connecting column (308), the upper end of the connecting column (308) is fixedly installed with a rotating rod (309), and the outer wall of the rotating rod (309) is installed with a torsional spring body (310).

6. The grouting device for ground and foundation engineering according to claim 1, characterized in that: The rear end of the lower inserting column (302) is fixedly connected with a slurry conveying pipeline (313), the lower end of the mixer (2) is fixedly connected with a slurry guide pipeline (315), the rear end of the slurry conveying pipeline (313) is fixedly connected with a screw pump (314), and the screw pump (314) is connected in communication with the slurry guide pipeline (315).

7. The grouting device for ground and foundation engineering according to Claim 1, characterized by: The pushing mechanism (4) further comprises a support plate (403), a fixed inserting column (404) and a fixed socket (405), the left end of the hydraulic cylinder (401) is fixedly installed with the support plate (403), the support plate (403) is fixedly installed with the fixed inserting column (404), the lower end of the fixed inserting column (404) is installed with the fixed socket (405), and the fixed socket (405) is fixedly installed on the inner wall of the support frame (1).

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