Pavement crack grouting device

Abstract

The utility model provides a pavement crack grouting device which comprises a movable chassis capable of moving on a pavement; the grouting mechanism is arranged on the movable chassis, and the grouting mechanism is used for grouting cracks in the road surface; the flatness mechanism is arranged on the movable chassis, and the flatness mechanism is used for flattening and compacting the cement paste injected into the crack; the flatness mechanism of the pavement crack grouting device is constructed to flatten and compact cement paste injected into cracks twice. The flatness mechanism of the pavement crack grouting device is constructed to flatten and compact the cement paste injected into the crack twice. In this way, it can be ensured that the cement paste of the cracks is compacted and flattened. Therefore, the pouring and filling quality of the crack is ensured.

Description

Technical Field

[0001] The utility model relates to the field of municipal technology, in particular to a road surface crack grouting device. Background Art

[0002] Municipal engineering refers to the construction of municipal facilities. In my country, municipal facilities refer to various buildings, structures, equipment, etc. that are set up within the planning and construction scope of urban areas and towns to provide paid or free public products and services to residents based on government responsibilities and obligations. Various public infrastructure construction supporting urban life falls into the category of municipal engineering, such as common urban roads, bridges, and subways.

[0003] In the prior art, a pavement crack grouting device is usually used to inject grout into pavement cracks and to flatten and compact the injected cement slurry. The specific structure of the pavement crack grouting device in the prior art can be found in the utility model patent CN217733705U disclosed in China.

[0004] However, the pavement crack grouting device in the prior art is limited by its own structure and cannot fully compact and flatten the cement slurry injected into the cracks, which will affect the pouring and filling quality of the cracks.

[0005] That is to say, the pavement crack grouting device in the prior art has the problem of being unable to fully compact and flatten the cement slurry injected into the cracks. Utility Model Content

[0006] The utility model provides a road crack grouting device to solve the above technical problems, and solves the problem that the road crack grouting device cannot fully compact and flatten the cement slurry injected into the cracks.

[0007] The utility model provides a road crack grouting device, comprising: a mobile chassis, which can move on the road surface; and

[0008] A grouting mechanism, which is arranged on the mobile chassis and is used for grouting cracks on the road surface; and

[0009] A flatness mechanism is arranged on the mobile chassis, and is used for flattening and compacting the cement slurry injected into the cracks;

[0010] Among them, the flatness mechanism of the road surface crack grouting device is constructed to flatten and compact the cement slurry injected into the cracks twice.

[0011] In one embodiment, the mobile chassis comprises:

[0012] a first bottom plate; and

[0013] A support column disposed on the first bottom plate; and

[0014] Universal wheels are arranged on the support column and can roll on the road surface;

[0015] Wherein, the grouting mechanism and the flatness mechanism are fixed on the first bottom plate.

[0016] In one embodiment, the flatness mechanism comprises:

[0017] A leveling structure, which is arranged on the first bottom plate, and is used for first leveling and compacting the cement slurry injected into the cracks; and

[0018] The pressurizing structure is arranged on the first bottom plate and is used for second flattening and compacting the cement slurry injected into the cracks.

[0019] In one embodiment, the pressurized structure comprises:

[0020] A first cylinder, a fixed end of which is fixed to the first base plate; and

[0021] A first protective shell connected to the driving end of the first cylinder; and

[0022] A pressurizing cylinder rotatably disposed on the first protective shell;

[0023] Among them, the first cylinder can drive the pressure cylinder to press down the cement slurry injected into the crack, and can roll on the cement slurry.

[0024] In one embodiment, the flattened structure comprises:

[0025] A second cylinder, a fixed end of which is fixed to the first base plate; and

[0026] A second protective shell connected to the driving end of the second cylinder; and

[0027] a central axis fixed to the second protective shell; and

[0028] A pressing sheet, which is fixed on the central axis;

[0029] Among them, the second cylinder can drive the pressing plate to press the cement slurry injected into the crack downward.

[0030] In one embodiment, the grouting mechanism comprises:

[0031] a working box disposed on the first bottom plate; and

[0032] A first stirring assembly, part of which is disposed in the working box and is used to stir the cement slurry in the working box; and

[0033] A grouting assembly communicated with the interior of the working box; and

[0034] An air compressor assembly is disposed on the working box and communicated with the interior of the working box;

[0035] The air compressor assembly is used to pressurize the working box so as to press the cement slurry in the working box into the grouting assembly, and the grouting assembly is used to inject cement slurry into the cracks.

[0036] In one embodiment, the first stirring assembly comprises:

[0037] A first motor, a fixed end of which is fixed to the outside of the working box; and

[0038] A propulsion blade connected to the driving end of the first motor;

[0039] Among them, the propulsion blade is a horizontally placed spiral blade, which is used to stir the cement slurry in the working box.

[0040] In one embodiment, the grouting assembly comprises:

[0041] a discharge pipe, one end of which is connected to the interior of the working box; and

[0042] A diverter box connected to the other end of the discharge pipe; and

[0043] The discharge port is arranged on the diverter box and is communicated with the interior of the diverter box. The discharge port is used to inject cement slurry into the cracks.

[0044] In one embodiment, the invention further comprises a second stirring assembly, which is partially disposed in the working box and is used for stirring the cement slurry in the working box.

[0045] In one embodiment, the second stirring assembly comprises:

[0046] a limiting block disposed on the working box; and

[0047] A first linkage shaft rotatably disposed on the limiting block; and

[0048] A driving structure, which is disposed on the first bottom plate and is used to drive the first linkage shaft to rotate horizontally; and

[0049] A transmission mechanism, one end of which is connected to the first linkage shaft; and

[0050] a second linkage shaft, which is rotatably disposed in the working box and connected to the other end of the transmission mechanism; and

[0051] A stirring blade, which is arranged on the second linkage shaft and is used for stirring cement slurry in the working box;

[0052] When the first linkage shaft rotates, it can drive the transmission mechanism to move, so as to drive the second linkage shaft and the stirring blade to rotate.

[0053] Compared with the prior art, the utility model has the following beneficial effects: the mobile chassis can ensure that the pavement crack grouting device as a whole moves along the extension direction of the crack, so that the grouting mechanism can continuously grout the crack, and the flatness mechanism can continuously flatten and compact the cement slurry injected into the crack. Thus, the working efficiency of the pavement crack grouting device is improved. Moreover, the flatness mechanism of the pavement crack grouting device is configured to flatten and compact the cement slurry injected into the crack twice. Thus, the cement slurry in the crack can be compacted and flattened. Thus, the pouring and filling quality of the crack is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 This is a schematic diagram of the three-dimensional structure of the pavement crack grouting device in the embodiment of the utility model;

[0055] Figure 2 for Figure 1 A schematic diagram of the connection relationship between the first bottom plate, the working box and the grouting mechanism;

[0056] Figure 3 for Figure 1 Schematic diagram of the three-dimensional structure of the medium pressurized structure;

[0057] Figure 4 for Figure 1 Schematic diagram of the three-dimensional structure of the flat structure.

[0058] In the figure: 1. first motor; 2. first conveyor belt; 3. first linkage shaft; 4. first gear; 5. second gear; 6. second conveyor belt; 7. second linkage shaft; 8. stirring blade; 9. propulsion blade; 10. limiting block; 11. working box; 12. first bottom plate; 13. pressurizing structure; 131. first cylinder; 132. first protective shell; 133. pressurizing cylinder; 14. flattening structure; 141. second cylinder; 142. second protective shell; 143. middle shaft; 144. pressing sheet; 15. gasket; 16. air compressor; 17. ventilation pipe; 18. air outlet; 19. discharge pipe; 20. diverter box; 21. discharge port; 22. electric control valve; 23. support column; 24. universal wheel; 25. push handle. DETAILED DESCRIPTION

[0059] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0060] like Figures 1 to 4As shown, the utility model provides a road crack grouting device, which includes a mobile chassis, a grouting mechanism and a flatness mechanism. The mobile chassis can move on the road surface; the grouting mechanism is arranged on the mobile chassis, and the grouting mechanism is used to grout the cracks on the road surface; the flatness mechanism is arranged on the mobile chassis, and the flatness mechanism is used to flatten and compact the cement slurry injected into the cracks. The flatness mechanism of the road crack grouting device is configured to flatten and compact the cement slurry injected into the cracks twice.

[0061] In the above arrangement, the mobile chassis can ensure that the pavement crack grouting device as a whole moves along the extension direction of the crack, so that the grouting mechanism can continuously grout the crack, and the flatness mechanism can continuously flatten and compact the cement slurry injected into the crack. Thus, the working efficiency of the pavement crack grouting device is improved. Moreover, the flatness mechanism of the pavement crack grouting device is configured to flatten and compact the cement slurry injected into the crack twice. This can ensure that the cement slurry in the crack is compacted and flattened. Thus, the pouring and filling quality of the crack is ensured.

[0062] Specifically, Figures 1 to 4 As shown, in one embodiment, the mobile chassis includes a first bottom plate 12, a support column 23 and a universal wheel 24. The support column 23 is arranged on the first bottom plate 12; the universal wheel 24 is arranged on the support column 23, and the universal wheel 24 can roll on the road surface; the grouting mechanism and the flatness mechanism are fixed on the first bottom plate 12.

[0063] Specifically, Figures 1 to 4 As shown, in one embodiment, the first base plate 12 is a rectangular plate, the number of universal wheels 24 and the number of support columns 23 are four, the four support columns 23 are distributed one by one at the four bottom corners of the first base plate 12, and the four universal wheels 24 are arranged one by one at the bottom of the four support columns 23.

[0064] Specifically, Figures 1 to 4 As shown, in one embodiment, the flatness mechanism includes a flattening structure 14 and a pressurizing structure 13. The flattening structure 14 is arranged on the first bottom plate 12, and is used for flattening and compacting the cement slurry injected into the cracks for the first time; the pressurizing structure 13 is arranged on the first bottom plate 12, and is used for flattening and compacting the cement slurry injected into the cracks for the second time. In this way, the flattening structure 14 and the pressurizing structure 13 are used in coordination to realize the flattening and compacting functions of the flatness mechanism for the cement slurry twice.

[0065] Specifically, Figures 1 to 4As shown, in one embodiment, the pressurizing structure 13 includes a first cylinder 131, a first protective shell 132 and a pressurizing cylinder 133. The first cylinder 131 has a fixed end fixed on the first base plate 12; the first protective shell 132 is connected to the driving end of the first cylinder 131; the pressurizing cylinder 133 is rotatably arranged on the first protective shell 132; the first cylinder 131 can drive the pressurizing cylinder 133 to press the cement slurry injected into the crack downward, and can roll on the cement slurry. In this way, the cement slurry is rolled and compacted by the pressurizing cylinder 133.

[0066] Specifically, Figures 1 to 4 As shown, in one embodiment, the leveling structure 14 includes a second cylinder 141, a second protective shell 142, a central axis 143 and a pressing piece 144. The second cylinder 141, whose fixed end is fixed on the first bottom plate 12; the second protective shell 142, which is connected to the driving end of the second cylinder 141; the central axis 143, which is fixed on the second protective shell 142; the pressing piece 144, which is fixed on the central axis 143; the second cylinder 141 can drive the pressing piece 144 to press the cement slurry injected into the crack downward.

[0067] Specifically, Figures 1 to 4 As shown, in one embodiment, the grouting mechanism includes a working box 11 and a first stirring assembly, a grouting assembly and an air compressor assembly. The working box 11 is arranged on the first bottom plate 12; the first stirring assembly is partially arranged in the working box 11 and is used to stir the cement slurry in the working box 11; the grouting assembly is connected to the inside of the working box 11; the air compressor assembly is arranged on the working box 11 and is connected to the inside of the working box 11; the air compressor assembly is used to pressurize the working box 11 to press the cement slurry in the working box 11 into the grouting assembly, and the grouting assembly is used to inject cement slurry into the cracks.

[0068] Specifically, Figures 1 to 4 As shown, in one embodiment, the first stirring assembly includes a first motor 1 and a propulsion blade 9. The first motor 1 has a fixed end fixed to the outside of the working box 11; the propulsion blade 9 is connected to the driving end of the first motor 1; the propulsion blade 9 is a horizontally placed spiral blade, which is used to stir the cement slurry in the working box 11.

[0069] Specifically, Figures 1 to 4 As shown, in one embodiment, the grouting assembly includes a discharge pipe 19, a diverter box 20 and a discharge port 21. Among them, the discharge pipe 19, one end of which is connected to the inside of the working box 11; the diverter box 20, which is connected to the other end of the discharge pipe 19; the discharge port 21, which is arranged on the diverter box 20 and is connected to the inside of the diverter box 20, is used to inject cement slurry into the cracks.

[0070] Specifically, Figures 1 to 4 As shown, in one embodiment, a second stirring assembly is further included, which is partially disposed in the working box 11 and is used to stir the cement slurry in the working box 11.

[0071] Specifically, if Figures 1 to 4 As shown, in one embodiment, the second stirring assembly includes a limiting block 10, a first linkage shaft 3, a driving structure, a transmission mechanism, a second linkage shaft 7 and a stirring blade 8. The limiting block 10 is arranged on the working box 11; the first linkage shaft 3 is rotatably arranged on the limiting block 10; the driving structure is arranged on the first bottom plate 12 and is used to drive the first linkage shaft 3 to rotate horizontally; the transmission mechanism has one end connected to the first linkage shaft 3; the second linkage shaft 7 is rotatably arranged in the working box 11 and is connected to the other end of the transmission mechanism; the stirring blade 8 is arranged on the second linkage shaft 7 and is used to stir the cement slurry in the working box 11; when the first linkage shaft 3 rotates, it can drive the transmission mechanism to move, so as to drive the second linkage shaft 7 and the stirring blade 8 to rotate.

[0072] Specifically, if Figures 1 to 4 As shown, in one embodiment, the transmission mechanism includes a second gear 5, a first gear 4, and a second conveyor belt 6. The first gear 4 is fixed to one end of the first linkage shaft 3. The second gear 5 is meshed with the first gear 4, and the second gear 5 is rotatably arranged on the working box 11. The second gear 5 is arranged at an angle of 90° to the first gear 4. One end of the second conveyor belt 6 is sleeved on the second linkage shaft 7, and the other end thereof is sleeved on the rotating shaft of the second gear 5.

[0073] Specifically, if Figures 1 to 4 As shown, in one embodiment, the driving structure includes a first conveyor belt 2 and a first motor 1. One end of the first conveyor belt 2 is sleeved on the end of the first linkage shaft 3, and the other end thereof is sleeved on the driving end of the first motor 1.

[0074] Combine the following Figure 1 , a more complete embodiment of the present application is described below:

[0075] The utility model provides a pavement crack grouting device, which includes a first motor 1, the output shaft of the first motor 1 is transmission-connected to one end of a first conveyor belt 2, the other end of the first conveyor belt 2 is transmission-connected to the outer circumferential surface of a first linkage shaft 3, one end of the first linkage shaft 3 is fixedly connected to one side of a first gear 4, the teeth on the other side of the first gear 4 mesh with the teeth on the top of a second gear 5, the output shaft of the second gear 5 is transmission-connected to one end of a second conveyor belt 6, the other end of the first conveyor belt 2 is transmission-connected to the top of a second linkage shaft 7, a stirring blade 8 is fixedly connected to the bottom of the second linkage shaft 7, a propulsion blade 9 is fixedly connected to the output shaft of the first motor 1, and a discharge pipe 19 is connected to one side of a working box 11. The close fit between the components can effectively stir the material, prevent the material from solidifying during long-term operation, and make the material more uniform, thereby improving the quality of the material.

[0076] Specifically, the outer circumferential surface of the first linkage shaft 3 is rotatably connected to the middle part of the limiting block 10, the bottom of the limiting block 10 is fixedly connected to the top of the working box 11, the bottom of the working box 11 is fixedly connected to the top of the first bottom plate 12, the bottom of the first bottom plate 12 is fixedly connected with a pressurizing structure 13, and the bottom of the first bottom plate 12 is fixedly connected with a leveling structure 14. The reasonable arrangement of the positions of the components makes the repair of road cracks smoother and less prone to jamming, while greatly increasing the practicality of the device.

[0077] Specifically, a gasket 15 is fixedly connected to the top of the working box 11, and the top of the gasket 15 is fixedly connected to the bottom of the air compressor 16. One side of the air compressor 16 is connected to the ventilation pipe 17, and the other end of the ventilation pipe 17 is connected to the air outlet 18. The purpose of providing the air compressor 16 is to increase the air pressure in the grouting device so that the material can be discharged more smoothly and it is less likely that the material will adhere to the inside of the component. The air compressor 16 is a prior art and will not be described in detail.

[0078] Specifically, one end of the discharge pipe 19 is connected to the top of the diverter box 20, the bottom of the diverter box 20 is fixedly connected with a discharge port 21, and the middle of the discharge pipe 19 is fixedly connected with an electric control valve 22. The electric control valve 22 is a prior art and will not be described in detail. It can freely control the flow rate of the material during output to prevent the material from flowing too fast, thereby causing waste, and at the same time it is inconvenient for subsequent leveling.

[0079] Specifically, the bottom of the first bottom plate 12 is fixedly connected to the top of the support column 23, and the bottom of the support column 23 is fixedly connected to the top of the universal wheel 24. There are four groups of support columns 23, and the bottoms of the four groups of support columns 23 are all fixedly connected to the universal wheel 24. The top of the first bottom plate 12 is fixedly connected to the push handle 25. The purpose of setting multiple groups of support columns 23 is to strengthen the grouting machine during movement, keep it stable, and not easily tilt to one side, thereby affecting the normal use of the grouting machine.

[0080] Specifically, the pressurizing structure 13 includes a first cylinder 131, the bottom of the first cylinder 131 is fixedly connected to the top of the first protective shell 132, and the middle part of the first protective shell 132 is rotatably connected with a pressurizing cylinder 133. The purpose of setting the pressurizing cylinder 133 is to level the material that has been filled in the cracks and make the material more compact to prevent depression.

[0081] Specifically, the leveling structure 14 includes a second cylinder 141, the bottom of the second cylinder 141 is fixedly connected to the top of the second protective shell 142, the middle of the second protective shell 142 is rotatably connected to the central axis 143, and the bottom of the central axis 143 is fixedly connected to a pressing plate 144. The purpose of setting the leveling structure 14 is to level the material initially filled in the crack to ensure that the material remains loose, thereby facilitating subsequent pressurization treatment.

[0082] Specifically, there are three groups of second cylinders 141, and the tops of the three groups of second cylinders 141 are fixedly connected to the bottom of the first base plate 12, and the bottoms of the three groups of second cylinders 141 are fixedly connected to the top of the second protective shell 142. The purpose of setting multiple groups of second cylinders 141 is to strengthen the downward pressure of the leveling structure 14, so that the grouting machine can be used in different working scenarios, increase the practicability of the grouting machine, and ensure the smooth movement of the second protective shell 142.

[0083] Working principle: First, start the first motor 1 to drive the propulsion blade 9 to rotate, and at the same time drive the first conveyor belt 2 to rotate, so that the first linkage shaft 3 rotates on the limiting block 10, and synchronously drives the first gear 4 to start moving, so that the second conveyor belt 6 on the second gear 5 rotates, thereby rotating the stirring paddle 8 under the second linkage shaft 7, which effectively stirs the material and prevents the material from solidifying during long-term work. At the same time, it makes the material more uniform and improves the quality of the material. Then start the air compressor 16 to compress the air, so that the air passes through the ventilation pipe 17 and is discharged into the working box 11 from the air outlet 18, increasing the pressure in the working box 11, so that the material is discharged into the diversion box 20 through the discharge pipe 19 and discharged from the discharge port 21, which can effectively repair the cracks in the road surface and avoid the problem of material running unsmoothly and easy to get blocked during the discharge process.

[0084] In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0085] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "up", "down", "left", "right", "front" and "back" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present invention.

[0086] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0087] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A pavement crack grouting device, characterized in that: include: A mobile chassis capable of moving on a road surface; as well as A grouting mechanism, which is arranged on the mobile chassis, and is used for grouting cracks on the road surface; as well as A flatness mechanism, which is arranged on the mobile chassis, and is used to flatten and compact the cement slurry injected into the crack; Wherein, the flatness mechanism of the road surface crack grouting device is configured to flatten and compact the cement slurry injected into the cracks twice.

2. The pavement crack grouting device according to claim 1, characterized in that: The mobile chassis comprises: a first bottom plate; and A support column, which is arranged on the first bottom plate; and A universal wheel, which is arranged on the support column and can roll on the road surface; Wherein, the grouting mechanism and the flatness mechanism are fixed on the first bottom plate.

3. The pavement crack grouting device according to claim 2, characterized in that: The flatness mechanism comprises: a leveling structure, which is disposed on the first bottom plate, and is used for first leveling and compacting the cement slurry injected into the crack; and A pressurizing structure is arranged on the first bottom plate, and is used for secondarily flattening and compacting the cement slurry injected into the crack.

4. The pavement crack grouting device according to claim 3, characterized in that: The pressurized structure comprises: A first cylinder, a fixed end of which is fixed to the first base plate; and A first protective shell connected to the driving end of the first cylinder; and A pressurizing cylinder rotatably disposed on the first protective shell; Wherein, the first cylinder can drive the pressurizing cylinder to press downward to inject cement slurry into the crack, and can roll on the cement slurry.

5. The pavement crack grouting device according to claim 3, characterized in that: The flat structure comprises: A second cylinder, a fixed end of which is fixed to the first base plate; and A second protective shell connected to the driving end of the second cylinder; and a central axis fixed to the second protective shell; and A pressing sheet fixed on the central shaft; Wherein, the second cylinder can drive the pressing plate to press downward to inject cement slurry into the crack.

6. The pavement crack grouting device according to claim 2, characterized in that: The grouting mechanism comprises: a working box disposed on the first bottom plate; and A first stirring assembly, part of which is disposed in the working box and is used to stir the cement slurry in the working box; and A grouting assembly communicated with the interior of the working box; and an air compressor assembly, which is disposed on the working box and communicated with the interior of the working box; The air compressor assembly is used to pressurize the working box so as to press the cement slurry in the working box into the grouting assembly, and the grouting assembly is used to inject cement slurry into the cracks.

7. The pavement crack grouting device according to claim 6, characterized in that: The first stirring component comprises: A first motor, a fixed end of which is fixed outside the working box; and a propulsion blade connected to the driving end of the first motor; Wherein, the propulsion blade is a horizontally placed spiral blade, which is used to stir the cement slurry in the working box.

8. The pavement crack grouting device according to claim 7, characterized in that: The grouting assembly comprises: a discharge pipe, one end of which is connected to the interior of the working box; and A shunt box connected to the other end of the discharge pipe; and A discharge port is arranged on the diverter box and is communicated with the interior of the diverter box. The discharge port is used to inject cement slurry into the crack.

9. The pavement crack grouting device according to claim 7, characterized in that: It also includes a second stirring assembly, which is partially arranged in the working box and is used for stirring the cement slurry in the working box.

10. The pavement crack grouting device according to claim 9, characterized in that: The second stirring component comprises: a limiting block, which is disposed on the working box; and A first linkage shaft rotatably disposed on the limiting block; and A driving structure, which is disposed on the first bottom plate and is used to drive the first linkage shaft to rotate horizontally; and a transmission mechanism, one end of which is connected to the first linkage shaft; and a second linkage shaft, which is rotatably disposed in the working box and connected to the other end of the transmission mechanism; and A stirring blade, which is arranged on the second linkage shaft and is used for stirring the cement slurry in the working box; Wherein, when the first linkage shaft rotates, it can drive the transmission mechanism to move, so as to drive the second linkage shaft and the stirring blade to rotate.

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