Porous grouting mechanism for grouting machine

Abstract

The utility model discloses a porous grouting mechanism for a grouting machine, which relates to the technical field of grouting equipment, comprises a vehicle body, an electric push rod and a U-shaped plate, and is characterized in that the vehicle body consists of a vehicle plate, a handle and rollers, the lower end of the electric push rod is movably connected onto the vehicle plate, and the U-shaped plate is arranged on the vehicle plate. The output end of the electric push rod is movably connected with the lower side of the long plate of the U-shaped plate. When the grouting device is not used, the inner pipe blocks the first through holes, dust and other impurities are prevented from entering the inner pipe through the grouting holes when the grouting device is static for a long time, when grouting is needed, the first through holes and the corresponding second through holes are communicated to form the grouting holes by rotating the rotary knobs, the angle of the grouting pipe is adjusted under the action of the electric push rod, and the grouting device is convenient to use. The grouting pipe can be vertically inserted into the pre-buried grouting pipe, the problems of bending and breakage caused by inclined insertion of the grouting pipe are solved, grouting is started after the grouting pipe descends into the pre-buried grouting pipe, and grouting materials can be evenly sprayed through porous grouting.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting equipment, in particular to a multi-hole grouting mechanism for a grouting machine. Background Technique

[0002] Bottom grouting of piles is to use the grouting pipes pre-buried at the bottom of the steel reinforcement cage, and after the pile is formed, high-pressure grouting is carried out with a high-pressure pump. The grouting material mainly composed of cement infiltrates into the bottom sediment of the pile, consolidates with the sediment, thereby increasing the end resistance of the cast-in-place pile, further improving the bearing capacity of a single pile, eliminating settlement, and ultimately ensuring the safety of the building.

[0003] When the existing grouting equipment is in use, since bottom grouting requires inserting the grouting pipe to the bottom of the pile hole and then pouring concrete, during the insertion process of the grouting pipe, if it is inclined, during the concrete pouring process, the grouting pipe will bear a large gravity pressure of the concrete, ultimately causing the grouting pipe to bend or break. However, during the lowering process of the existing grouting pipe, mainly the grouting pipe is inserted into the pile hole by hand, and it is inevitable that the grouting pipe is inserted obliquely, resulting in the above problems of bending and breaking of the grouting pipe. Moreover, when the grouting pipe is not in use and during transportation, dust and impurities are very likely to enter the grouting pipe through the grouting holes. Dust is easily attached to the grouting holes, and solid impurities are likely to enter the grouting pipe and are difficult to clean. And if there are too many impurities, it is very likely to affect the subsequent grouting quality. For this reason, we provide a multi-hole grouting mechanism for a grouting machine. Content of the Utility Model

[0004] To solve the above problems, that is, to solve the problems raised in the above background technique, the utility model proposes a multi-hole grouting mechanism for a grouting machine, which includes a vehicle body, an electric push rod and a U-shaped plate. The vehicle body is composed of a vehicle plate, a handle and rollers. The lower end of the electric push rod is movably connected to the vehicle plate, the output end of the electric push rod is movably connected to the lower side of the long plate of the U-shaped plate, the lower end of the U-shaped plate is movably connected to one end of the upper side of the vehicle plate, a height adjustment structure is installed on the U-shaped plate, and a multi-hole grouting structure is installed on the height adjustment structure;

[0005] The height adjustment structure includes a motor, a lead screw, a pair of slide rails, a slide plate, a pair of sliders and an installation box;

[0006] The upper side of the long plate of the U-shaped plate is fixedly connected with the symmetric slide rails. One end of the lead screw is respectively connected by bearings on the opposite sides of the pair of short plates of the U-shaped plate. The motor is arranged at the upper end of the U-shaped plate, the output end of the motor is fixedly connected with the upper end of the lead screw, the lead screw is threadedly connected with the middle part of the slide plate, one side of the slide plate is fixedly connected with the symmetric sliders, and the pair of sliders are respectively slidably arranged on the corresponding slide rails. The other end of the slide plate is fixedly connected with the installation box.

[0007] A further setting of the present utility model is that the porous grouting structure includes a worm gear, a worm, a rotary joint, a grouting pipe and an inner pipe;

[0008] The installation box is a box body without side plates. The upper end of the rotary joint is fixedly connected and passes through the upper end of the installation box. The lower end of the rotary joint is fixedly connected and passes through the middle of the worm gear. The worm gear meshes with the worm. One end of the worm is respectively connected by bearings on both sides inside the installation box. One end of the worm passes through the installation box and is fixedly connected to a knob. The upper end of the grouting pipe is fixedly connected to the installation box through a group of support rods. The lower end of the rotary joint is connected by bearings and passes through the grouting pipe. The lower end of the rotary joint is fixedly communicated with the inner pipe. The inner pipe is movably arranged in the grouting pipe, and the outer side of the inner pipe fits the inner wall of the grouting pipe.

[0009] A further setting of the present utility model is that the grouting pipe is provided with a group of uniformly arranged through holes I, and the inner pipe is provided with a group of uniformly arranged through holes II, and the through holes I and the through holes II have the same aperture.

[0010] A further setting of the present utility model is that when each through hole I communicates with the corresponding through hole II, a grouting hole is formed.

[0011] A further setting of the present utility model is that the vehicle body can be a handcart or an electric vehicle.

[0012] A further setting of the present utility model is that the motor is a slow-speed forward and reverse motor.

[0013] The beneficial technical effect of the present utility model is that when the present utility model is not in use, the inner pipe blocks a group of through holes I, avoiding dust and other impurities from entering the inner pipe through the grouting holes during long-term rest. When grouting is required, first rotate the knob to make the through holes I and the corresponding through holes II communicate to form grouting holes. Under the action of the electric push rod, adjust the angle of the grouting pipe so that the grouting pipe can be vertically inserted into the pre-buried grouting pipe, avoiding the problems of bending and fracture caused by the inclined insertion of the grouting pipe. After lowering the grouting pipe into the pre-buried grouting pipe, start grouting. The porous grouting can evenly spray the grouting material, more quickly and effectively fill the structural cracks with the grouting material, and the grouting effect is better. Description of the Drawings

[0014] Figure 1 Shows the three-dimensional structural schematic of the present utility model Figure 1 。

[0015] Figure 2 Shows the three-dimensional structural schematic of the present utility model Figure 2 。

[0016] Figure 3 Shows the partial structural schematic of the present utility model Figure 1 。

[0017] Figure 4 Shows a partial structural schematic of the present utility model Figure 2 。

[0018] Figure 5 Shows a partial structural schematic of the present utility model Figure 3 。

[0019] Reference numerals in the drawings: 1, mounting box; 2, motor; 3, electric push rod; 4, vehicle body; 5, U-shaped plate; 6, grouting pipe; 7, lead screw; 8, slide rail; 9, first through hole; 10, worm; 11, slide plate; 12, slider; 13, inner pipe; 14, second through hole; 15, rotary joint; 16, worm gear. Specific embodiments

[0020] The following will refer to the attached Figures 1 - 5 to describe the preferred embodiments of the present utility model. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present utility model and are not intended to limit the protection scope of the present utility model.

[0021] The present utility model provides a porous grouting mechanism for a grouting machine. Before use, a group of second through holes 14 and first through holes 9 are arranged in a staggered manner. At this time, the grouting holes of the grouting pipe 6 are in a blocked state, preventing dust and other impurities from entering the inner pipe 13 through the grouting holes during long-term rest. The output end of the electric push rod 3 is in a retracted state, and the slide plate 11 is in the highest position. At this time, the device is in a retracted state, as Figure 1As shown in the figure, when using this device, the grouting pipe 6 is moved to the position where grouting is required through the vehicle body 4. The electric push rod 3 is started. The output end of the electric push rod 3 extends to drive the U-shaped plate 5 to swing. The U-shaped plate 5 drives the grouting pipe 6 to swing through the sliding plate 11, etc. When the grouting pipe 6 swings to an angle perpendicular to the preset grouting pipe, the electric push rod 3 is turned off (since the ground may be uneven, the extension length of the electric push rod 3 is different each time, and the swing angle of the U-shaped plate 5 is also different). The position of the vehicle body 4 is finely adjusted to align the grouting pipe 6 and the preset grouting pipe vertically, so that the grouting pipe 6 can be vertically inserted into the pre-embedded grouting pipe, avoiding the problems of bending and fracture caused by the inclined insertion of the grouting pipe. Rotate the knob, and the knob drives the worm 10 to rotate. The worm 10 drives the meshing worm wheel 16 to rotate. The worm wheel 16 drives the lower end of the rotary joint 15 to rotate. The rotary joint 15 drives the inner pipe 13 to rotate along the grouting pipe 6. When the inner pipe 13 drives the corresponding through hole two 14 to communicate with the corresponding through hole one 9, stop rotating the knob. At this time, a group of through holes one 9 and the corresponding through holes two 14 communicate to form a grouting hole. Fix the liquid outlet end of the external grouting pump to communicate with the upper end of the rotary joint 15. Start the motor 2. The motor 2 drives the lead screw 7 to rotate. The lead screw 7 drives the sliding plate 11 to slide downward. The sliding plate 11 drives a pair of sliders 12 to slide downward along the corresponding slide rails 8. The sliding plate 11 drives the grouting pipe 6 to slide downward through the mounting box 1. When the grouting pipe 6 descends into the pre-embedded grouting pipe, start the external grouting pump. The grouting material enters the inner pipe 13 through the rotary joint 15. The grouting material in the inner pipe 13 is evenly sprayed through a group of grouting holes. The multi-hole grouting can evenly spray the grouting material, and can more quickly and effectively make the grouting material fill the structural cracks, and the grouting effect is better. After the grouting is completed, turn off the external grouting pump, restore the device to the initial state, and push away this device.

[0022] Although the present invention has been described with reference to the preferred embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

[0023] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings. This is only for convenience of description, rather than indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, so that a process, article, or apparatus / device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent in these processes, articles, or apparatus / devices.

[0026] So far, the technical solution of the present utility model has been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present utility model is obviously not limited to these specific embodiments. Without departing from the principle of the present utility model, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present utility model.

Claims

1. A multi-hole grouting mechanism for a grouting machine, comprising a body (4), an electric push rod (3) and a U-shaped plate (5), characterized in that: The vehicle body (4) is composed of a vehicle plate, a handle and a roller, the lower end of the electric push rod (3) is movably connected to the vehicle plate, the output end of the electric push rod (3) is movably connected to the lower side of the long plate of the U-shaped plate (5), the lower end of the U-shaped plate (5) is movably connected to one end of the upper side of the vehicle plate, the U-shaped plate (5) is equipped with a height adjustment structure, and the height adjustment structure is equipped with a porous grouting structure; The height adjustment structure comprises a motor (2), a lead screw (7), a pair of slide rails (8), a slide plate (11), a pair of sliders (12) and a mounting box (1); The upper side of the long plate of the U-shaped plate (5) is fixedly connected to the symmetrical slide rail (8), and the opposite sides of a pair of short plates of the U-shaped plate (5) are respectively connected to one end of the lead screw (7) by bearings. The motor (2) is arranged on the upper end of the U-shaped plate (5), and the output end of the motor (2) is fixedly connected to the upper end of the lead screw (7). The lead screw (7) is threadedly connected to the middle part of the slide plate (11). One side of the slide plate (11) is fixedly connected to the symmetrical sliders (12). A pair of the sliders (12) are respectively slidably arranged on the corresponding slide rails (8), and the other end of the slide plate (11) is fixedly connected to the installation box (1).

2. A multi-hole grouting mechanism for a grouting machine according to claim 1, characterized in that: The porous grouting structure comprises a worm wheel (16), a worm (10), a rotary joint (15), a grouting pipe (6) and an inner pipe (13); The installation box (1) is a box body without side plates. The upper end of the rotating joint (15) is fixedly connected to and passes through the upper end of the installation box (1). The lower end of the rotating joint (15) is fixedly connected to and passes through the middle of the worm wheel (16). The worm wheel (16) is meshed with the worm (10). The two sides inside the installation box (1) are respectively connected to one end of the worm wheel (10) by bearings. One end of the worm wheel (10) passes through the installation box (1) and is fixedly connected to a knob. The upper end of the grouting pipe (6) is fixedly connected to the installation box (1) through a group of support rods. The lower end of the rotating joint (15) is connected to and passes through the grouting pipe (6) by bearings. The lower end of the rotating joint (15) is fixedly connected to the inner pipe (13). The inner pipe (13) is movably arranged in the grouting pipe (6). The outer side of the inner pipe (13) fits the inner wall of the grouting pipe (6).

3. A multi-hole grouting mechanism for a grouting machine according to claim 2, characterized in that: The grouting pipe (6) is provided with a group of evenly arranged through holes (9), and the inner pipe (13) is provided with a group of evenly arranged through holes (14), and the through holes (9) and the through holes (14) have the same aperture.

4. A multi-hole grouting mechanism for a grouting machine according to claim 3, characterized in that: Each through hole one (9) forms a grouting hole when connected with the corresponding through hole two (14).

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