Concrete preparation device for water conservancy dam construction

Abstract

The invention provides a concrete preparation device for water conservancy dam construction, and relates to the field of water conservancy project, the concrete preparation device comprises a concrete stirring tank, a stirring mechanism is arranged in the concrete stirring tank, a plurality of mounting grooves are circumferentially and uniformly formed in the inner wall of the concrete stirring tank, and flexible membranes are arranged in the mounting grooves; the inner wall of the tank wall of the concrete stirring tank is provided with a storage cavity communicating with the multiple mounting grooves, the interior of the storage cavity is provided with multiple knocking assemblies, multiple adjusting assemblies and multiple transmission assemblies in a layered mode, and the multiple adjusting assemblies are all located in the storage cavity; according to the scheme, the stirring mechanism is controlled to be started, the transmission assembly, the adjusting assembly, the first bevel gear and the knocking assembly are matched, the flexible diaphragm can be knocked, the flexible diaphragm can deform to a certain degree, attached concrete is vibrated off, and therefore time and labor consumption can be reduced in the discharging and cleaning process of the device, and the working efficiency is improved. And the construction progress and the equipment use efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the field of water conservancy projects, and in particular to a concrete preparation device for water conservancy dam construction. Background Art

[0002] In water conservancy projects, dams are artificial structures used to intercept, regulate, and control water flows. Their main structures typically include the dam body, spillways, spillways, bottom holes, and energy dissipation facilities. They are widely used in water resource allocation, flood control and drought relief, hydropower generation, irrigation and water supply, and shipping. Dam construction is a complex and highly systematic process, involving surveying and setting out, excavation, foundation treatment, dam body filling, concrete pouring, anti-seepage treatment, and metal structure installation. During the concrete pouring phase, concrete preparation equipment is typically used to prepare concrete at the dam construction site.

[0003] In the relevant technology, the concrete used in the construction of water conservancy dams is mainly prepared and processed by concrete preparation equipment. The concrete preparation equipment is mainly composed of a material supply system, mixing equipment, cement and additive batching system, a conveying system and an intelligent control system, so that the device can control the proportion of various raw materials according to engineering requirements to ensure that the concrete mixture has good workability, strength and durability. However, since the prepared concrete itself has a certain viscosity, a large amount of concrete may remain attached to the inner wall of the concrete preparation device during the mixing or unloading process of the concrete. Therefore, it may take a lot of time and manpower to unload and clean the device, which may affect the construction progress and equipment utilization efficiency.

[0004] Therefore, it is necessary to provide a concrete preparation device for water conservancy dam construction to solve the above technical problems. Summary of the Invention

[0005] In order to solve the technical problem that the above-mentioned concrete remains attached to the inner wall of the concrete preparation device, which may require a lot of time and manpower to unload and clean, and may affect the construction progress and equipment utilization efficiency, the present invention provides a concrete preparation device for water conservancy dam construction.

[0006] The present invention provides a concrete preparation device for water conservancy dam construction, comprising: a concrete mixing tank, wherein a stirring mechanism is provided inside the concrete mixing tank; a plurality of mounting grooves are uniformly formed on the inner wall of the concrete mixing tank; a flexible diaphragm is provided inside the mounting grooves; a storage cavity is formed on the inner wall of the concrete mixing tank and communicates with the plurality of mounting grooves; a plurality of striking assemblies, an adjustment assembly, and a transmission assembly are layered inside the storage cavity; wherein the adjustment assemblies are provided in plurality, each of the plurality of adjustment assemblies is located inside the storage cavity, and each of the adjustment assemblies is correspondingly located outside each of the striking assemblies; the transmission assembly is rotatably disposed inside the concrete mixing tank; one end of the transmission assembly is movably connected to the outer wall of the stirring mechanism; the other end of the transmission assembly is movably connected to the top of the plurality of adjustment assemblies; a plurality of first bevel gears are provided, each of the plurality of first bevel gears is rotatably disposed inside the storage cavity; the plurality of first bevel gears are spaced apart from the plurality of adjustment assemblies; the top and bottom of the first bevel gears are movably connected to adjacent adjustment assemblies.

[0007] Preferably, the concrete mixing tank includes a tank body, the mounting groove and the storage cavity are both opened on the tank wall of the tank body, a discharge valve is fixedly connected to the bottom of the tank body, and a protective cover is connected to the upper surface of the tank body by bolts.

[0008] Preferably, the knocking assembly includes a first mounting ring located inside the storage cavity, the inner wall of the first mounting ring is elastically connected to a plurality of springs in a uniform circumference, the end of the spring away from the first mounting ring is elastically connected to the cavity wall of the storage cavity, the inner wall of the first mounting ring is fixedly connected to a plurality of knocking blocks in a uniform circumference, and each of the knocking blocks and the springs is located on a side of each flexible diaphragm away from the stirring mechanism.

[0009] Preferably, the stirring mechanism includes a servo motor fixedly connected to the upper surface of the protective cover, the output end of the servo motor passes through the protective cover and is fixedly connected to a first shaft, the outer wall of the first shaft is evenly fixedly connected to a stirring paddle, the outer wall of the first shaft is fixedly connected to a second bevel gear, the second bevel gear is located above the multiple stirring paddles, and the outer wall of the second bevel gear is engaged with one end of the transmission assembly.

[0010] Preferably, the protective cover is provided with a feed port which passes through the protective cover.

[0011] Preferably, a sealing gasket is fixedly connected to the lower surface of the protective cover, and the lower surface of the sealing gasket abuts against the upper surface of the tank body.

[0012] Preferably, the adjustment assembly includes a connecting ring located inside the storage cavity, the outer wall of the connecting ring is cut with an annular groove, a second mounting ring is provided inside the annular groove, the outer wall of the second mounting ring is fixedly connected to the cavity wall of the storage cavity, the upper surface and the lower surface of the connecting ring are fixedly connected to the third bevel gear, the inner wall of the connecting ring is fixedly connected to a push block, and the side of the push block away from the connecting ring is in contact with the outer wall of the first mounting ring.

[0013] Preferably, a vibrator is fixedly connected to the inner wall of the first mounting ring, and the vibrator is located above the knocking block.

[0014] Preferably, the transmission assembly includes a second shaft rotatably connected to the inside of the tank body, one end of the second shaft is fixedly connected to a fourth bevel gear, the outer wall of the fourth bevel gear is engaged with the outer wall of the second bevel gear, and the other end of the second shaft is fixedly connected to a fifth bevel gear.

[0015] Compared with related technologies, the concrete preparation device for water conservancy dam construction provided by the present invention has the following beneficial effects: 1. This concrete preparation device for water conservancy dam construction can reduce time and manpower consumption during unloading and cleaning: a concrete mixing tank is provided for placing concrete raw materials that need to be processed during water conservancy dam construction. The concrete mixing tank can limit the installation positions of the mixing mechanism, transmission assembly, and multiple first bevel gears. When the mixing mechanism is activated, the materials inside the concrete mixing tank are stirred and mixed. The installation groove can limit the installation position of the flexible diaphragm, and the storage cavity can limit the installation positions of multiple knocking assemblies and multiple adjustment assemblies. When the mixing mechanism is activated, the transmission assembly can drive the top adjustment assembly to rotate. The rotation of the top adjustment assembly cooperates with the first bevel gear to drive the adjacent adjustment assembly at the bottom to rotate in the opposite direction. The rotation of the adjustment assembly can control the corresponding knocking assembly to dynamically deflect in a circular manner, knocking the multiple flexible diaphragms in sequence, thereby causing the flexible diaphragms to produce a certain degree of deformation and vibrating off the attached concrete. This can reduce the adhesion area of concrete inside the concrete preparation device for water conservancy dam construction, thereby reducing time and manpower consumption during unloading and cleaning, thereby improving construction progress and equipment utilization efficiency. 2. This concrete preparation device for water conservancy dam construction has a tank body for placing concrete raw materials that need to be processed during the water conservancy dam construction process. The discharge valve can achieve directional discharge. Closing the protective cover can prevent the raw materials inside the tank from splashing. The sealing gasket can enhance the sealing effect between the protective cover and the tank body. The material inside the tank body can be easily added through the feed port. The servo motor is started to drive the stirring paddle to rotate through the first shaft to stir and mix the materials inside the tank body. At the same time, the first shaft can drive the second bevel gear to rotate. The fourth bevel gear cooperates with the rotating second bevel gear to drive the second shaft to rotate. When the second shaft rotates, the top adjustment component can be driven to rotate through the fifth bevel gear. 3. The concrete preparation device for water conservancy dam construction can limit the installation position of the first mounting ring through multiple springs. The spring and the vibrator can produce a certain resonance effect on the first mounting ring in cooperation with each other, thereby enhancing the vibration and knocking effect of the knocking block on the flexible diaphragm. The second mounting ring can limit the installation position of the connecting ring in cooperation with the annular groove. The connecting ring can limit the installation position of the third bevel gears on both sides. On the top adjustment component among the multiple adjustment components, the third bevel gear located on the upper surface of the connecting ring can mesh with the fifth bevel gear. When the fifth bevel gear rotates, the connecting ring can be driven to rotate through the third bevel gear on the upper surface. When the connecting ring rotates, the first bevel gear can be driven to rotate through the third bevel gear on the lower surface. The adjacent adjusting components can be driven to rotate through the first bevel gear. When the connecting ring rotates, the pushing block can be driven to move at the same time. The movement of the pushing block can push the first mounting ring to dynamically offset in a circular shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a concrete preparation device for water conservancy dam construction provided by the present invention; Figure 2 A schematic cross-sectional view of a concrete preparation device for water conservancy dam construction provided by the present invention; Figure 3 The present invention provides a concrete preparation device for water conservancy dam construction Figure 2 A schematic diagram of the structure enlargement at point A; Figure 4 A schematic diagram of the tank structure of a concrete preparation device for water conservancy dam construction provided by the present invention; Figure 5 A schematic diagram of the structure of a striking component of a concrete preparation device for water conservancy dam construction provided by the present invention; Figure 6 A schematic diagram of a partial cross-sectional structure of a tank body of a concrete preparation device for water conservancy dam construction provided by the present invention; Figure 7 The present invention provides a concrete preparation device for water conservancy dam construction Figure 6 A magnified schematic diagram of the structure at point B in FIG. Figure 8 This is a schematic structural diagram of an adjusting component of a concrete preparation device for water conservancy dam construction provided by the present invention.

[0017] Numbers in the figure: 1. Concrete mixing tank; 101. Tank body; 102. Discharge valve; 103. Protective cover; 2. Mixing mechanism; 201. Servo motor; 202. First shaft; 203. Mixing paddle; 204. Second bevel gear; 3. Mounting groove; 4. Flexible diaphragm; 5. Storage chamber; 6. Knocking assembly; 601. First mounting ring; 602. Spring; 603. Knocking block; 7. Adjusting assembly; 701. Connecting ring; 702. Annular groove; 703. Second mounting ring; 704. Third bevel gear; 705. Pushing block; 8. Transmission assembly; 801. Second shaft; 802. Fourth bevel gear; 803. Fifth bevel gear; 9. First bevel gear; 10. Feed inlet; 11. Vibrator; 12. Sealing gasket. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0019] Please refer to Figures 1 to 8 A concrete preparation device for water conservancy dam construction includes: a concrete mixing tank 1, the interior of the concrete mixing tank 1 is used to place concrete raw materials that need to be processed during the construction of the water conservancy dam, a stirring mechanism 2 is provided inside the concrete mixing tank 1, the installation position of the stirring mechanism 2 can be limited by the concrete mixing tank 1, and the stirring mechanism 2 can be started to stir and mix the materials inside the concrete mixing tank 1 to facilitate the preparation of concrete, the inner wall of the concrete mixing tank 1 is uniformly provided with a plurality of mounting grooves 3 in a circumferential manner, a flexible diaphragm 4 is provided inside the mounting groove 3, and the flexible diaphragm 4 can be made of a material with good elasticity, high temperature resistance, and corrosion resistance such as EPDM rubber or polytetrafluoroethylene, the inner wall of the tank wall of the concrete mixing tank 1 is provided with a storage cavity 5 connected to the plurality of mounting grooves 3, and a plurality of knocking components 6 are arranged in layers inside the storage cavity 5.

[0020] refer to Figure 2 、 Figure 3 and Figure 4 As shown, the concrete mixing tank 1 includes a tank body 101. The interior of the tank body 101 is used to place concrete raw materials that need to be processed during the construction of the water conservancy dam. The installation groove 3 and the storage cavity 5 are both opened on the tank wall of the tank body 101. A discharge valve 102 is fixedly connected to the bottom of the tank body 101. Directional discharge can be achieved through the discharge valve 102. The upper surface of the tank body 101 is connected to a protective cover 103 by bolts. By closing the protective cover 103, splashing of raw materials inside the tank body 101 can be prevented.

[0021] refer to Figure 1 and Figure 2 As shown, the stirring mechanism 2 includes a servo motor 201 fixedly connected to the upper surface of the protective cover 103, and the output end of the servo motor 201 passes through the protective cover 103 and is fixedly connected to a first shaft 202, and the outer wall of the first shaft 202 is evenly fixedly connected to a stirring paddle 203. Starting the servo motor 201 can drive the stirring paddle 203 to rotate through the first shaft 202, and the material inside the tank body 101 can be stirred and mixed by the rotation of the stirring paddle 203. The outer wall of the first shaft 202 is fixedly connected to a second bevel gear 204, and the second bevel gear 204 is located above the multiple stirring paddles 203. The outer wall of the second bevel gear 204 is meshed with one end of the transmission assembly 8, and can drive the second bevel gear 204 to rotate while the first shaft 202 rotates, and the rotation of the second bevel gear 204 can drive the transmission assembly 8 to rotate.

[0022] refer to Figure 5 、 Figure 6 and Figure 7 As shown, the knocking assembly 6 includes a first mounting ring 601 located inside the storage cavity 5, and the inner wall of the first mounting ring 601 is elastically connected with multiple springs 602 in a uniform circumferential manner, and the end of the spring 602 away from the first mounting ring 601 is elastically connected to the cavity wall of the storage cavity 5, and the installation position of the first mounting ring 601 can be limited by the multiple springs 602. The inner wall of the first mounting ring 601 is fixedly connected with multiple knocking blocks 603 in a uniform circumferential manner, and the multiple knocking blocks 603 and the multiple springs 602, each knocking block 603 is located on the side of each flexible diaphragm 4 away from the stirring mechanism 2, and when the first mounting ring 601 is offset, the spring 602 can generate a certain resonance effect on the first mounting ring 601, thereby enhancing the vibration knocking effect of the knocking block 603 on the flexible diaphragm 4, and can vibrate and peel off the adhered concrete.

[0023] refer to Figure 2 and Figure 3 As shown, an adjustment component 7 and a transmission component 8, wherein a plurality of adjustment components 7 are provided, and the plurality of adjustment components 7 are all located inside the storage cavity 5, and each adjustment component 7 is correspondingly located outside each knocking component 6, and the plurality of knocking components 6 and the plurality of adjustment components 7 are all arranged in upper and lower layers, and the transmission component 8 is rotatably arranged inside the concrete mixing tank 1, and one end of the transmission component 8 is movably connected to the outer wall of the mixing mechanism 2, and the other end of the transmission component 8 is movably connected to the top of the top adjustment component 7 among the plurality of adjustment components 7, and a plurality of first bevel gears 9 are provided, and the plurality of first bevel gears 9 are rotatably arranged inside the storage cavity 5, and the plurality of first bevel gears 9 are spaced apart from the plurality of adjustment components 7, and the top and bottom of the first bevel gear 9 are movably connected to the adjacent adjustment components 7 respectively.

[0024] During the specific implementation process, when the stirring mechanism 2 is started, the top adjustment component 7 can be driven to rotate by the transmission component 8 provided. The rotation of the top adjustment component 7 cooperates with the first bevel gear 9 to drive the adjacent adjustment component 7 at the bottom to rotate in the opposite direction. The rotation of the adjustment component 7 can control the corresponding knocking component 6 to be dynamically offset in a circular manner. The dynamic offset of the knocking component 6 can knock on the multiple flexible diaphragms 4 in a circular manner, so that the flexible diaphragms 4 can produce a certain deformation and vibrate off the attached concrete, thereby reducing the adhesion area of the concrete inside the concrete preparation device for water conservancy dam construction. At the same time, the present application can reduce the consumption of time and manpower during the unloading and cleaning of the device, thereby improving the construction progress and equipment utilization efficiency. It should be noted that: as long as the stirring mechanism 2 is controlled to start, the flexible diaphragm 4 can be knocked through the transmission component 8, the adjustment component 7, the first bevel gear 9 and the knocking component 6, thereby improving the mixing effect in the process of stirring and mixing the materials through the stirring mechanism 2. Furthermore, since the adjacent adjustment components 7 rotate in opposite directions, the dynamic offset positions between different knocking components 6 can be controlled to be different, thereby improving the randomness of knocking on different upper and lower parts of the flexible diaphragm 4, and improving the vibration effect of the flexible diaphragm 4 on the attached concrete.

[0025] refer to Figure 3 and Figure 8As shown, the adjustment component 7 includes a connecting ring 701 located inside the storage cavity 5, and the outer wall of the connecting ring 701 is cut with an annular groove 702, and a second mounting ring 703 is provided inside the annular groove 702. The outer wall of the second mounting ring 703 is fixedly connected to the cavity wall of the storage cavity 5, and the installation position of the connecting ring 701 can be limited by the cooperation between the second mounting ring 703 and the annular groove 702, and the connecting ring 701 and the second mounting ring 703 are rotatably connected. The upper and lower surfaces of the connecting ring 701 are fixedly connected with a third bevel gear 704, and the installation position of the third bevel gears 704 on both sides can be limited by the connecting ring 701. On the top adjustment component 7 among the multiple adjustment components 7, the third bevel gear 704 located on the upper surface of the connecting ring 701 can engage with one end of the transmission component 8, so that when the transmission component 8 rotates. The third bevel gear 704 on the upper surface can drive the connecting ring 701 to rotate. When the connecting ring 701 rotates, the third bevel gear 704 set on the lower surface can drive the first bevel gear 9 to rotate, so as to drive the adjacent adjusting component 7 to rotate through the first bevel gear 9. The inner wall of the connecting ring 701 is fixedly connected with a pushing block 705. The side of the pushing block 705 away from the connecting ring 701 contacts the outer wall of the first mounting ring 601. When the connecting ring 701 rotates, it can drive the pushing block 705 to move. The movement of the pushing block 705 can push the first mounting ring 601 to be dynamically offset in a circle. It should be noted that the installation position of the pushing block 705 set on the inner side of each adjusting component 7 is different, thereby improving the randomness of the dynamic offset adjustment of different knocking components 6.

[0026] refer to Figure 2 、 Figure 3 and Figure 8 As shown, the transmission assembly 8 includes a second shaft rod 801 rotatably connected to the inside of the tank body 101, one end of the second shaft rod 801 is fixedly connected to the fourth bevel gear 802, the outer wall of the fourth bevel gear 802 is meshed with the outer wall of the second bevel gear 204, and the fourth bevel gear 802 cooperates with the rotating second bevel gear 204 to drive the second shaft rod 801 to rotate, and the other end of the second shaft rod 801 is fixedly connected to the fifth bevel gear 803. When the second shaft rod 801 rotates, the top adjustment assembly 7 can be driven to rotate through the set fifth bevel gear 803. It should be noted that the set fifth bevel gear 803 and the third bevel gear 704 on the upper surface of the connecting ring 701 in the top adjustment assembly 7 are meshed with each other. Example

[0027] This embodiment is an improvement made on the basis of embodiment 1. Figure 1 As shown, a feed port 10 is provided on the protective cover 103 and passes through the protective cover 103 , and materials can be easily added into the tank body 101 through the feed port 10 . Example

[0028] This embodiment is an improvement made on the basis of embodiment 1. Figure 3 As shown, a sealing gasket 12 is fixedly connected to the lower surface of the protective cover 103, and the lower surface of the sealing gasket 12 abuts against the upper surface of the tank body 101. When the protective cover 103 and the tank body 101 are connected by bolts, the sealing gasket 12 can enhance the sealing effect between the protective cover 103 and the tank body 101. Example

[0029] This embodiment is an improvement made on the basis of embodiment 1. Figure 3 As shown, the inner wall of the first mounting ring 601 is fixedly connected with a vibrator 11, and the vibrator 11 is located above the knocking block 603. Starting the vibrator 11 can control the first mounting ring 601 to produce a certain vibration. The vibrator 11 can further improve the vibration effect of the first mounting ring 601 by cooperating with the spring 602, thereby further enhancing the vibration knocking effect of the knocking block 603 on the flexible diaphragm 4.

[0030] The working principle of the concrete preparation device for water conservancy dam construction provided by the present invention is as follows: When in use, multiple flexible diaphragms 4 are correspondingly installed in multiple installation grooves 3 opened on the inner wall of the concrete mixing tank 1, and concrete raw materials that need to be processed during the construction of the water conservancy dam are added to the concrete mixing tank 1, and the stirring mechanism 2 is started to stir and mix the raw materials. When the stirring mechanism 2 is started, the top adjustment component 7 is driven to rotate through the transmission component 8, and the rotation of the top adjustment component 7 cooperates with the first bevel gear 9 to drive the adjacent adjustment component 7 at the bottom to rotate in the opposite direction. The rotation of the adjustment component 7 controls the corresponding knocking component 6 to perform dynamic displacement in a circle, and multiple The flexible diaphragm 4 is knocked, so that the flexible diaphragm 4 can produce a certain deformation and vibrate off the attached concrete, which can reduce the adhesion area of the concrete inside the concrete preparation device for water conservancy dam construction. When the present application controls the start-up of the stirring mechanism 2, the transmission component 8, the adjustment component 7, the first bevel gear 9 and the knocking component 6 are cooperated to knock on the flexible diaphragm 4, so that the flexible diaphragm 4 can produce a certain deformation and vibrate off the attached concrete, thereby reducing the time and manpower consumption during the unloading and cleaning process of the device, thereby improving the construction progress and equipment utilization efficiency.

[0031] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A concrete preparation device for water conservancy dam construction, characterized in that: include: A concrete mixing tank (1), wherein a mixing mechanism (2) is provided inside the concrete mixing tank (1), a plurality of mounting grooves (3) are uniformly provided on the inner wall of the concrete mixing tank (1), a flexible diaphragm (4) is provided inside the mounting grooves (3), a storage cavity (5) connected to the plurality of mounting grooves (3) is provided on the inner wall of the concrete mixing tank (1), and a plurality of knocking components (6) are layered inside the storage cavity (5); An adjusting assembly (7) and a transmission assembly (8), wherein a plurality of the adjusting assemblies (7) are provided, the plurality of the adjusting assemblies (7) are all located inside the storage cavity (5), each of the adjusting assemblies (7) is correspondingly located outside each of the knocking assemblies (6), the transmission assembly (8) is rotatably arranged inside the concrete mixing tank (1), one end of the transmission assembly (8) is movably connected to the outer wall of the mixing mechanism (2), and the other end of the transmission assembly (8) is movably connected to the top of the adjusting assembly (7) among the plurality of the adjusting assemblies (7); and A plurality of first bevel gears (9) are provided, and the plurality of first bevel gears (9) are all rotatably arranged inside the storage cavity (5). The plurality of first bevel gears (9) and the plurality of adjustment components (7) are arranged at intervals, and the top and bottom of the first bevel gears (9) are movably connected to adjacent adjustment components (7).

2. A concrete preparation device for water conservancy dam construction according to claim 1, characterized in that: The concrete mixing tank (1) comprises a tank body (101), the mounting groove (3) and the storage cavity (5) are both provided on the tank wall of the tank body (101), a discharge valve (102) is fixedly connected to the bottom of the tank body (101), and a protective cover (103) is connected to the upper surface of the tank body (101) via bolts.

3. A concrete preparation device for water conservancy dam construction according to claim 1, characterized in that: The knocking assembly (6) comprises a first mounting ring (601) located inside the storage cavity (5); the inner wall of the first mounting ring (601) is elastically connected to a plurality of springs (602) in a circumferentially uniform manner; one end of the spring (602) away from the first mounting ring (601) is elastically connected to the cavity wall of the storage cavity (5); the inner wall of the first mounting ring (601) is fixedly connected to a plurality of knocking blocks (603) in a circumferentially uniform manner; the plurality of knocking blocks (603) and the plurality of springs (602) are connected; and each knocking block (603) is correspondingly located on a side of each flexible diaphragm (4) away from the stirring mechanism (2).

4. A concrete preparation device for water conservancy dam construction according to claim 2, characterized in that: The stirring mechanism (2) includes a servo motor (201) fixedly connected to the upper surface of the protective cover (103), an output end of the servo motor (201) passes through the protective cover (103) and is fixedly connected to a first shaft (202), an outer wall of the first shaft (202) is evenly fixedly connected to stirring paddles (203), an outer wall of the first shaft (202) is fixedly connected to a second bevel gear (204), the second bevel gear (204) is located above the plurality of stirring paddles (203), and the outer wall of the second bevel gear (204) is meshed with one end of the transmission assembly (8).

5. The concrete preparation device for water conservancy dam construction according to claim 2, characterized in that: The protective cover (103) is provided with a feed port (10) that passes through the protective cover (103).

6. A concrete preparation device for water conservancy dam construction according to claim 2, characterized in that: A sealing gasket (12) is fixedly connected to the lower surface of the protective cover (103), and the lower surface of the sealing gasket (12) abuts against the upper surface of the tank body (101).

7. The concrete preparation device for water conservancy dam construction according to claim 3, characterized in that: The adjustment assembly (7) comprises a connecting ring (701) located inside the storage cavity (5); an annular groove (702) is cut on the outer wall of the connecting ring (701); a second mounting ring (703) is provided inside the annular groove (702); the outer wall of the second mounting ring (703) is fixedly connected to the cavity wall of the storage cavity (5); the upper surface and the lower surface of the connecting ring (701) are both fixedly connected to a third bevel gear (704); the inner wall of the connecting ring (701) is fixedly connected to a push block (705); the side of the push block (705) away from the connecting ring (701) contacts the outer wall of the first mounting ring (601).

8. The concrete preparation device for water conservancy dam construction according to claim 3, characterized in that: A vibrator (11) is fixedly connected to the inner wall of the first mounting ring (601), and the vibrator (11) is located above the striking block (603).

9. The concrete preparation device for water conservancy dam construction according to claim 4, characterized in that: The transmission assembly (8) includes a second shaft (801) rotatably connected to the interior of the tank body (101), one end of the second shaft (801) being fixedly connected to a fourth bevel gear (802), an outer wall of the fourth bevel gear (802) being meshed with an outer wall of the second bevel gear (204), and the other end of the second shaft (801) being fixedly connected to a fifth bevel gear (803).

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