A kind of roadbed soft soil stirring solidification equipment reinforced by adding waste fly ash and its use method

Abstract

The application relates to the technical field of soft soil stirring improvement, in particular to a roadbed soft soil stirring and solidifying equipment added with waste fly ash for reinforcement and a use method thereof, which comprises a processing frame, a stirring barrel installed on the processing frame, an inlet hopper and a discharge pipe connected to the stirring barrel, a stirring mechanism arranged in the stirring barrel, a plurality of stirring blades in circumferential equidistant distribution connected to the stirring mechanism, a plurality of crushing grooves in equidistant distribution arranged on the stirring blades, and a telescopic assembly arranged in the stirring barrel and connected with the stirring mechanism; a follow-up mechanism is further arranged on the stirring barrel; and an angle regulation mechanism is arranged on the stirring mechanism and connected with the stirring blades. The application can adjust the spacing between the stirring blades and the inner wall of the stirring barrel and the angle of the stirring blades, automatically crush the blocky materials, and ensure the best stirring effect of the materials.

Description

Technical Field

[0001] This invention relates to the field of soft soil mixing and improvement technology, specifically to a roadbed soft soil mixing and solidification device and its usage method that incorporates waste fly ash for reinforcement. Background Technology

[0002] Fly ash is a solid waste from coal-fired power plants. With proper treatment, it can become a high-performance civil engineering material.

[0003] Fly ash contains certain active ingredients that can react with moisture and ions in soft soil to form a solidified body with a certain strength, thereby improving the bearing capacity of soft soil. As a waste, fly ash is widely available and has a low cost. Using fly ash as a replacement material can effectively reduce engineering costs. The utilization of fly ash can reduce the exploitation of natural resources and avoid secondary pollution to the environment, thus having good environmental benefits.

[0004] When fly ash is mixed with soft soil, the quality of fly ash directly affects its solidification effect and performance. However, existing mixing methods simply involve applying stirring force. If the fly ash contains too much lumpy material, it will increase the difficulty of mixing and also lead to poor mixing effect with soft soil. Summary of the Invention

[0005] The purpose of this invention is to provide a roadbed soft soil mixing and solidification device and its usage method for adding waste fly ash for reinforcement, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement includes:

[0008] A processing rack and a mixing tank mounted on the processing rack, wherein the mixing tank is connected to a feed hopper and a discharge pipe;

[0009] Also includes:

[0010] A stirring mechanism is provided inside the stirring tank. The stirring mechanism is connected to a plurality of stirring blades that are circumferentially distributed. The stirring blades are provided with a plurality of crushing grooves that are equidistantly distributed. The stirring mechanism can drive the stirring blades to rotate.

[0011] A telescopic assembly is disposed inside the mixing tank and connected to the mixing mechanism. The mixing tank is also provided with a follower mechanism connected to the telescopic assembly. When the mixing mechanism moves, the telescopic assembly can drive the follower mechanism to move, so as to control the mixing blade to move toward or away from the inner wall of the mixing tank.

[0012] An angle adjustment mechanism is disposed on the stirring mechanism and connected to the stirring blade. The angle adjustment mechanism can be activated when the stirring blade moves to adjust the yaw angle of the stirring blade.

[0013] As a further aspect of the present invention: the driving mechanism includes a motor mounted on the processing frame, a transmission rod rotatably mounted inside the mixing tank and connected to the output shaft of the motor, and a driven component is provided on the transmission rod.

[0014] As a further embodiment of the present invention: the driven component includes a plurality of fixed sleeves mounted on the transmission rod and distributed at equal intervals, the sidewalls of the fixed sleeves are provided with a plurality of support sleeves distributed at equal intervals around the circumference, a support rod is slidably installed inside the support sleeve, and the support rod is rotatably connected to the stirring blade.

[0015] As a further embodiment of the present invention: the telescopic assembly includes a rotating rod rotatably installed inside the mixing tank and slidably connected to the transmission rod, the transmission rod having a plurality of equally spaced sliding grooves, the rotating rod having a sliding sleeve slidably connected to the sliding grooves, the sliding sleeve being slidably connected to the transmission rod, and the sliding sleeve having a plurality of circumferentially equally spaced hinge rods hinged to it, the hinge rods being hinged to the support rod.

[0016] As a further embodiment of the present invention: the follower mechanism includes a limiting post mounted on the rotating rod, the side wall of the mixing tank is provided with a hollow tube, and a guide component connected to the limiting post is provided inside the hollow tube.

[0017] As a further embodiment of the present invention: the guiding component includes an annular groove, a first inclined groove, a corrugated groove, and a second inclined groove formed on the inner wall of the hollow tube, the beginning and end of the annular groove, the first inclined groove, the corrugated groove, and the second inclined groove being interconnected, and the limiting post being slidably engaged with the annular groove, the first inclined groove, the corrugated groove, and the second inclined groove.

[0018] As a further embodiment of the present invention: the angle adjustment mechanism includes a limiting ring installed inside the support sleeve, the outer circumferential wall of the support sleeve is provided with a slot, and a sliding component connected to the slot is provided inside the support sleeve.

[0019] As a further embodiment of the present invention: the sliding assembly includes a movable ring that is slidably and sealed inside the support sleeve and slidably connected to the slot, the movable ring abutting against the limiting ring, the movable ring being provided with a movable sleeve that is slidably connected to the support sleeve, the movable sleeve being hinged with a connecting rod that is hinged to the stirring blade, and the support rod being provided with an elastic structure that is connected to the movable ring.

[0020] As a further embodiment of the present invention: the elastic structure includes a support column mounted on the support rod and passing through the movable ring, a spring sleeved on the support column, the two ends of the spring abutting against the support rod and the movable ring respectively, and a fixing ring abutting against the movable ring at the end of the support column.

[0021] A method for using a roadbed soft soil mixing and solidification device for adding waste fly ash includes the following steps:

[0022] Step 1: The material to be mixed is fed into the mixing tank through the feed hopper, and the material is mixed by the mixing blades under the action of the mixing mechanism.

[0023] Step 2: The stirring mechanism will also drive the telescopic component to move, and under the action of the follow-up mechanism, control the movement of the stirring mechanism to drive the stirring blades to reciprocate towards or away from the inner wall of the mixing tank, thereby crushing the block material through the crushing trough;

[0024] Step 3: When the drive mechanism moves, it will also drive the angle adjustment mechanism to adjust the yaw angle of the stirring blades;

[0025] Step 4: After mixing is complete, the material can be discharged through the drain pipe.

[0026] Compared with the prior art, the beneficial effects of the present invention are: the present application can crush soft soil agglomerated materials or waste fly ash lumps by adjusting the distance between the stirring blades and the inner wall of the mixing drum, so as to ensure that the soft soil is mixed more evenly. Specifically, when the stirring mechanism moves, it drives the stirring blades to stir the materials in the mixing drum. At the same time, the stirring mechanism also drives the telescopic component to move, and under the action of the follow-up mechanism, the movement of the stirring mechanism is controlled by the telescopic component, so that the stirring blades move towards or away from the inner wall of the mixing drum, thereby crushing the agglomerated or lumpy materials through the crushing trough, ensuring that the mixing is more even.

[0027] The follow-up mechanism can control the stirring blades to move rapidly back and forth toward or away from the inner wall of the mixing tank, so as to simulate the effect of manually vibrating and breaking up lumpy materials, thereby ensuring that agglomerated and lumpy materials can be successfully broken up and mixed.

[0028] When the mixing mechanism moves, it also drives the angle tilting mechanism to move. After the mixing blades break up agglomerated or lumpy materials, the mixing blades are tilted at a certain angle to increase the contact area between the mixing blades and the materials, thereby ensuring that the materials are fully mixed after being broken up. Attached Figure Description

[0029] Figure 1A schematic diagram of one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0030] Figure 2 A schematic diagram of the structure from another angle in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0031] Figure 3 A cross-sectional structural diagram of the mixing tank in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0032] Figure 4 A schematic diagram of the internal structure of the mixing drum in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0033] Figure 5 A schematic diagram showing the connection relationship between the mixing mechanism and the telescopic component in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0034] Figure 6 A partial cross-sectional schematic diagram of one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0035] Figure 7 for Figure 6 A magnified schematic diagram of the structure at point A in the middle.

[0036] Figure 8 An exploded structural diagram of part of the mixing mechanism and part of the angle control mechanism in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0037] Figure 9 A schematic diagram of the structure of part of the follow-up mechanism and part of the telescopic component in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0038] Figure 10 A schematic diagram of the partial cross-section of a hollow tube in one embodiment of a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement.

[0039] In the diagram: 1. Processing frame; 2. Mixing tank; 3. Feed hopper; 4. Discharge pipe; 5. Motor; 6. Transmission rod; 7. Slide groove; 8. Fixed sleeve; 9. Support sleeve; 10. Support rod; 11. Mixing blade; 1101. Crushing trough; 12. Slot; 13. Support column; 14. Fixed ring; 15. Spring; 16. Movable ring; 17. Limiting ring; 18. Movable sleeve; 19. Connecting rod; 20. Rotating rod; 21. Sliding sleeve; 22. Hinge rod; 23. Limiting column; 24. Hollow tube; 25. Annular groove; 26. First inclined groove; 27. Corrugated groove; 28. Second inclined groove. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Furthermore, elements in this invention are referred to as being "fixed to" or "set on" another element, which may be directly on the other element or may also include an intervening element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or may also include an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0042] Please see Figures 1-10 In this embodiment of the invention, a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement includes:

[0043] A processing rack 1 and a mixing tank 2 installed on the processing rack 1, wherein a feed hopper 3 and a discharge pipe 4 are connected to the mixing tank 2;

[0044] Also includes:

[0045] Please see Figures 1-6 A stirring mechanism is disposed inside the stirring tank 2. Multiple stirring blades 11 are connected to the stirring mechanism and are circumferentially equidistant. Multiple crushing grooves 1101 are equidistantly distributed on each stirring blade 11. The stirring mechanism can drive the stirring blades 11 to rotate. The driving mechanism includes a motor 5 mounted on the processing frame 1. A transmission rod 6, rotatably mounted inside the stirring tank 2 and connected to the output shaft of the motor 5, is provided on the transmission rod 6. A driven component is provided on the transmission rod 6, wherein the driven component includes multiple fixed sleeves 8 mounted on the transmission rod 6 and equidistantly distributed. Multiple supporting sleeves 9, circumferentially equidistant, are provided on the sidewalls of the fixed sleeves 8. A supporting rod 10 is slidably mounted inside the supporting sleeve 9, and the supporting rod 10 is rotatably connected to the stirring blades 11.

[0046] In detail, when mixing soft soil, waste fly ash needs to be added to increase its strength. Therefore, soft soil and waste fly ash can be added to the mixing tank 2 through the feed hopper 3. At this time, the motor 5 works and drives the transmission rod 6 to rotate, thereby driving the fixed sleeve 8 to move. Under the action of the fixed sleeve 8, the support sleeve 9 and the support rod 10 move, thereby driving the mixing blade 11 to rotate around the transmission rod 6. Under the action of the mixing blade 11, the soft soil and waste fly ash are mixed and stirred.

[0047] Preferably, the speed of the transmission rod 6 controlled by the motor 5 is relatively slow, so as to ensure that the stirring blade 11 will not experience excessive resistance due to the high viscosity of soft soil and waste fly ash during stirring, thus preventing the motor 5 from being overloaded. A valve is installed on the discharge pipe 4. The valve is closed during material addition and stirring. After the material is stirred, the valve can be opened, and the material will be discharged through the discharge pipe 4.

[0048] Please see Figures 3-5 , Figure 9 A telescopic assembly is disposed inside the mixing tank 2 and connected to the mixing mechanism. The telescopic assembly includes a rotating rod 20 rotatably installed inside the mixing tank 2 and slidably connected to the transmission rod 6. The transmission rod 6 has a plurality of equally spaced sliding grooves 7. The rotating rod 20 is provided with a sliding sleeve 21 that is slidably connected to the sliding grooves 7. The sliding sleeve 21 is slidably connected to the transmission rod 6. The sliding sleeve 21 is hinged with a plurality of circumferentially equally spaced hinge rods 22. The hinge rods 22 are hinged to the support rod 10.

[0049] It should be noted that, in the initial state, under the action of the follower mechanism, the sliding sleeve 21 is located at the end of its stroke away from the fixed sleeve 8 and at the end of its stroke on one side of the slide groove 7. This allows the support rod 10 to be controlled by the hinge rod 22 to be located at the end of its stroke within the support sleeve 9. At this time, the distance between the stirring blade 11 and the inner wall of the stirring tank 2 is at its maximum. When the transmission rod 6 rotates, the stirring blade 11 rotates around the transmission rod 6. Simultaneously, the transmission rod 6 also drives the slide groove 7 to move, thereby driving the rotating rod 20 to rotate through the sliding sleeve 21. The rotating rod 20 will then drive the follower mechanism to move, and under the action of the follower mechanism, the rotating rod 20 is controlled to slide along the length of the transmission rod 6. Therefore, under the action of the rotating rod 20… The sliding sleeve 21 is controlled to move along the length of the groove 7 and toward the fixed sleeve 8, so that the support rod 10 is driven to move away from the support sleeve 9 through the hinge rod 22. The support rod 10 also drives the stirring blade 11 to move toward the inner wall of the mixing tank 2. When the distance between the stirring blade 11 and the inner wall of the mixing tank 2 is the smallest, the rotating rod 20 is controlled to move toward the initial position under the action of the follower mechanism, so that the support rod 10 is controlled to move toward the inner wall of the support sleeve 9 again through the hinge rod 22, so that the distance between the stirring blade 11 and the inner wall of the mixing tank 2 increases again. The above steps are repeated, so as to control the stirring blade 11 to move around the transmission rod 6 while moving toward or away from the inner wall of the mixing tank 2.

[0050] Preferably, since the soft soil is relatively moist, it may clump together, and the added waste fly ash may contain a certain amount of lumpy material. If only simple stirring is used, it is impossible to ensure that the soft soil and waste fly ash are mixed evenly. Therefore, in this application, the stirring blade 11 is controlled to move back and forth towards or away from the inner wall of the mixing tank 2. This not only allows for continuous adjustment of the stirring position of the stirring blade 11 on the material, thereby increasing the stirring range and enhancing the stirring effect on the soft soil, but also allows the clumps or lumps to be crushed and mixed by the cooperation of the crushing trough 1101 and the inner wall of the mixing tank 2 when the stirring blade 11 moves towards the inner wall of the mixing tank 2, so as to ensure that the soft soil and waste fly ash can be mixed evenly.

[0051] Please see Figure 3 , Figure 4 , Figure 9 , Figure 10The mixing tank 2 is also provided with a follower mechanism connected to the telescopic assembly. The telescopic assembly can drive the follower mechanism to move when the mixing mechanism moves, so as to control the mixing blade 11 to move towards or away from the inner wall of the mixing tank 2. The follower mechanism includes a limiting post 23 installed on the rotating rod 20. A hollow tube 24 is provided on the side wall of the mixing tank 2. A guide assembly connected to the limiting post 23 is provided inside the hollow tube 24. The guide assembly includes an annular groove 25, a first inclined groove 26, a corrugated groove 27, and a second inclined groove 28 formed on the inner wall of the hollow tube 24. The annular groove 25, the first inclined groove 26, the corrugated groove 27, and the second inclined groove 28 are connected end to end. The limiting post 23 is slidably engaged with the annular groove 25, the first inclined groove 26, the corrugated groove 27, and the second inclined groove 28.

[0052] Furthermore, the corrugated groove 27 is wavy, and the annular groove 25 is located at the end of its stroke away from the mixing tank 2. In the initial state, the limiting post 23 is located at the end of its stroke on one side of the annular groove 25 and the first inclined groove 26, so that the sliding sleeve 21 is located at the end of its stroke away from the fixed sleeve 8 by the rotating rod 20. Under the action of the hinge rod 22, the support rod 10 is located at the end of its stroke inside the support sleeve 9, so that the distance between the stirring blade 11 and the inner wall of the mixing tank 2 is maximized. When the transmission rod 6 rotates, the rotating rod 20 will rotate synchronously, thereby driving the limiting post 23 to move. The limiting post 23 will disengage from the annular groove 25 and enter the first inclined groove 26, thereby controlling the sliding sleeve 21 to move along the length direction of the sliding groove 7 by the rotating rod 20. The sliding sleeve 21 will also drive the hinge rod 22 to move, so that the stirring blade 11 is controlled to move towards the inner wall of the mixing tank 2 by the support rod 10. When the limiting post 23 rotates, the sliding sleeve 21 will move along the length direction of the sliding groove 7 by the rotating rod 20. The sliding sleeve 21 will also drive the hinge rod 22 to move, so that the stirring blade 11 is controlled to move towards the inner wall of the mixing tank 2 by the support rod 10. When the stirring blade 11 moves to the position where the first inclined groove 26 and the corrugated groove 27 are connected, the distance between the stirring blade 11 and the inner wall of the mixing tank 2 is the smallest. With the cooperation of the crushing groove 1101 and the inner wall of the mixing tank 2, the agglomerated and blocky materials are crushed. When the limiting column 23 moves along the trajectory of the corrugated groove 27, the sliding sleeve 21 is controlled to slide back and forth within a small range by the rotating rod 20, so as to control the stirring blade 11 to move quickly back and forth towards or away from the inner wall of the mixing tank 2, so as to continuously crush the material. When the limiting column 23 leaves the corrugated groove 27 and enters the second inclined groove 28, the rotating rod 20 is controlled to move towards the initial position, so that the stirring blade 11 moves towards the direction of the transmission rod 6. When the limiting column 23 leaves the second inclined groove 28 and returns to the position where the annular groove 25 and the first inclined groove 26 are connected, the stirring blade 11 returns to the initial position again. The above steps are repeated to achieve the effect of continuous crushing and stirring of the material.

[0053] Preferably, by controlling the stirring blades 11 to move rapidly back and forth toward or away from the inner wall of the mixing tank 2, the effect of manually vibrating and breaking up lumpy materials can be simulated, thereby ensuring that agglomerated and lumpy materials can be successfully broken up and mixed.

[0054] Please see Figures 3-8 An angle adjustment mechanism is disposed on the stirring mechanism and connected to the stirring blade 11. The angle adjustment mechanism can operate when the stirring blade 11 moves to adjust the yaw angle of the stirring blade 11. The angle adjustment mechanism includes a limiting ring 17 installed in the support sleeve 9. A groove 12 is formed on the outer circumferential wall of the support sleeve 9. A sliding assembly connected to the groove 12 is provided in the support sleeve 9. The sliding assembly includes a movable ring 16 that is slidably and sealingly installed in the support sleeve 9 and slidably connected to the groove 12. The movable ring 16 abuts against the limiting ring 17. In conjunction with this, the movable ring 16 is provided with a movable sleeve 18 that is slidably connected to the support sleeve 9. The movable sleeve 18 is hinged to a connecting rod 19 that is hinged to the stirring blade 11. The support rod 10 is provided with an elastic structure that is connected to the movable ring 16. The aforementioned elastic structure includes a support column 13 installed on the support rod 10 and passing through the movable ring 16. A spring 15 is sleeved on the support column 13. The two ends of the spring 15 abut against the support rod 10 and the movable ring 16, respectively. The end of the support column 13 is provided with a fixing ring 14 that abuts against the movable ring 16.

[0055] Furthermore, in the initial state, the limiting post 23 is located at the connection position between the annular groove 25 and the first inclined groove 26, so that the support rod 10 is at the end of its stroke towards the support sleeve 9, allowing the support post 13 and the fixed ring 14 to pass through the limiting ring 17. The fixed ring 14 and the movable ring 16 are in a separated state, and the spring 15 is in a compressed state, so that the movable ring 16 abuts against the limiting ring 17. At this time, the distance between the movable sleeve 18 and the fixed sleeve 8 is the smallest. Under the action of the connecting rod 19, the included angle between the stirring blade 11 and the support rod 10 is the smallest. Therefore, the contact area between the stirring blade 11 and the material is the largest. When the transmission rod 6 rotates, the soft soil and waste fly ash are mixed under the action of the stirring blade 11. The transmission rod 6 also drives the rotating rod 20 to rotate synchronously, thereby driving the sliding sleeve 21 to move, so as to control the support rod 10 to move away from the support sleeve 9 through the hinge rod 22. This causes the stirring blade 11 to move. Since the fixed ring 14 and the movable ring 16 are separated and the spring 15 is compressed, the positions of the movable ring 16 and the movable sleeve 18 will not change. Under the action of the connecting rod 19, the angle of the stirring blade 11 changes. The support rod 10 will also drive the support column 13 to move and drive the fixed ring 14 to move towards the movable ring 16. At this time, the spring 15 is released elastically. When the fixed ring 14 moves to the position of abutting the movable ring 16, it drives the movable ring 16 to follow the fixed ring 14 and move along the length direction of the slot 12, thereby driving the movable sleeve 18 to move. The movable sleeve 18 moves synchronously with the stirring blade 11. Therefore, the connecting rod 19 no longer controls the rotation of the stirring blade 11. At this time, the stirring blade 11 and the support rod 10 are in a perpendicular state. The support rod 10 continues to move to crush the agglomerated and lumpy materials through the crushing trough 1101.

[0056] Preferably, when the limiting post 23 is in the corrugated groove 27, since the fixed ring 14 and the movable ring 16 are in a close fit, the fixed ring 14 always fits the movable ring 16 when it moves toward the limiting ring 17, ensuring that the angle of the stirring blade 11 does not change. When the limiting post 23 moves into the second inclined groove 28, the support post 13 moves toward the initial position and drives the fixed ring 14 to move. Under the action of the spring 15, the movable ring 16 moves synchronously, thereby driving the movable sleeve 18 to move. At this time, the angle of the stirring blade 11 does not change. When the movable ring 16 moves to the position where it abuts against the limiting ring 17, the movable ring 16 stops moving, the fixed ring 14 continues to move, and compresses the spring 15. When the stirring blade 11 moves, under the action of the connecting rod 19, the stirring blade 11 is controlled to swing toward the support rod 10 again to increase the contact area with the material, thereby increasing the stirring effect on the material after crushing.

[0057] A method for using a roadbed soft soil mixing and solidification device for adding waste fly ash includes the following steps:

[0058] Step 1: The material to be mixed is conveyed into the mixing tank 2 through the feed hopper 3, and the material is mixed by the mixing blades 11 under the action of the mixing mechanism.

[0059] Step 2: The stirring mechanism will also drive the telescopic component to move, and under the action of the follow-up mechanism, control the movement of the stirring mechanism to drive the stirring blades 11 to reciprocate towards or away from the inner wall of the mixing tank 2, thereby crushing the block material through the crushing trough 1101.

[0060] Step 3: When the drive mechanism moves, it will also drive the angle adjustment mechanism to adjust the yaw angle of the stirring blade 11;

[0061] Step 4: After mixing is complete, the material can be discharged through the discharge pipe 4.

[0062] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0063] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mixing and solidification device for roadbed soft soil reinforced with waste fly ash, comprising: A processing rack (1) and a mixing tank (2) installed on the processing rack (1), wherein a feed hopper (3) and a discharge pipe (4) are connected to the mixing tank (2). Its characteristic is that it further includes: A stirring mechanism is provided inside the stirring tank (2). The stirring mechanism is connected to a plurality of stirring blades (11) that are equidistantly distributed around the circumference. The stirring blades (11) are provided with a plurality of crushing grooves (1101) that are equidistantly distributed. The stirring mechanism can drive the stirring blades (11) to rotate. A telescopic assembly is provided inside the mixing tank (2) and connected to the mixing mechanism. The mixing tank (2) is also provided with a follower mechanism connected to the telescopic assembly. The telescopic assembly can drive the follower mechanism to move when the mixing mechanism moves, so as to control the mixing blade (11) to move toward the direction close to or away from the inner wall of the mixing tank (2). An angle adjustment mechanism is provided on the stirring mechanism and connected to the stirring blade (11). The angle adjustment mechanism can operate when the stirring blade (11) moves to adjust the yaw angle of the stirring blade (11). The driving mechanism includes a motor (5) mounted on the processing frame (1), and a transmission rod (6) rotatably mounted inside the mixing tank (2) and connected to the output shaft of the motor (5). A driven component is provided on the transmission rod (6). The driven component includes a plurality of fixed sleeves (8) mounted on the transmission rod (6) and distributed at equal intervals. The sidewalls of the fixed sleeves (8) are provided with a plurality of support sleeves (9) distributed at equal intervals around the circumference. A support rod (10) is slidably installed inside the support sleeve (9). The support rod (10) is rotatably connected to the stirring blade (11).

2. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 1, characterized in that, The telescopic assembly includes a rotating rod (20) rotatably installed inside the mixing tank (2) and slidably connected to the transmission rod (6). The transmission rod (6) has a plurality of equally spaced sliding grooves (7). The rotating rod (20) is provided with a sliding sleeve (21) slidably connected to the sliding grooves (7). The sliding sleeve (21) is slidably connected to the transmission rod (6). The sliding sleeve (21) is hinged with a plurality of circumferentially equally spaced hinge rods (22). The hinge rods (22) are hinged to the support rod (10).

3. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 2, characterized in that, The follower mechanism includes a limiting post (23) installed on the rotating rod (20), and a hollow tube (24) is provided on the side wall of the mixing tank (2). A guide component connected to the limiting post (23) is provided inside the hollow tube (24).

4. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 3, characterized in that, The guiding component includes an annular groove (25), a first inclined groove (26), a corrugated groove (27), and a second inclined groove (28) formed on the inner wall of the hollow tube (24). The annular groove (25), the first inclined groove (26), the corrugated groove (27), and the second inclined groove (28) are connected end to end. The limiting post (23) is slidably engaged with the annular groove (25), the first inclined groove (26), the corrugated groove (27), and the second inclined groove (28).

5. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 1, characterized in that, The angle adjustment mechanism includes a limiting ring (17) installed in the support sleeve (9), and a slot (12) is provided on the outer circumferential wall of the support sleeve (9). A sliding component connected to the slot (12) is provided inside the support sleeve (9).

6. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 5, characterized in that, The sliding assembly includes a movable ring (16) that is slidably sealed and installed inside the support sleeve (9) and slidably connected to the slot (12). The movable ring (16) abuts against the limiting ring (17). The movable ring (16) is provided with a movable sleeve (18) that is slidably connected to the support sleeve (9). The movable sleeve (18) is hinged to a connecting rod (19) that is hinged to the stirring blade (11). The support rod (10) is provided with an elastic structure that is connected to the movable ring (16).

7. The roadbed soft soil mixing and solidification equipment for adding waste fly ash for reinforcement according to claim 6, characterized in that, The elastic structure includes a support column (13) mounted on the support rod (10) and passing through the movable ring (16). A spring (15) is sleeved on the support column (13). The two ends of the spring (15) abut against the support rod (10) and the movable ring (16) respectively. A fixing ring (14) is provided at the end of the support column (13) to abut against the movable ring (16).

8. A method for using a roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement, comprising the roadbed soft soil mixing and solidification device for adding waste fly ash for reinforcement as described in any one of claims 1-7, characterized in that, Includes the following steps: Step 1: The material to be stirred is conveyed to the mixing tank (2) through the feed hopper (3), and the material is stirred by the stirring blades (11) under the action of the stirring mechanism. Step 2: The stirring mechanism will also drive the telescopic component to move, and under the action of the follower mechanism, control the movement of the stirring mechanism to drive the stirring blade (11) to move back and forth towards the inner wall of the mixing tank (2), thereby crushing the block material through the crushing trough (1101); Step 3: When the drive mechanism moves, it will also drive the angle control mechanism to move in order to adjust the sway angle of the stirring blade (11); Step 4: After the mixing is complete, the material can be discharged through the discharge pipe (4).

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