High-pressure jet grouting pile construction equipment
By using a staggered rotating shaft and a multi-stage mixing plate structure, the problem of cement clumping together was solved, achieving efficient preparation and uniform mixing of cement slurry, and improving construction efficiency.
Patent Information
- Application Number
- CN202310746786.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-20
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2043-06-20
AI Technical Summary
In existing technologies, cement raw materials tend to clump together before use, making it difficult to mix with water and affecting the efficiency of cement slurry preparation.
The first and second rotating shafts, which are staggered, drive the crushing blades to rotate in opposite directions, breaking up the lumpy cement. Through the cooperation of multi-stage mixing plates and scrapers, the cement and water are fully mixed.
It improves the efficiency and quality of cement slurry preparation, reduces the difficulty of cleaning equipment, and ensures that cement and water are mixed evenly without residue.
Smart Images

Figure CN116641371B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of building construction equipment, in particular to high-pressure rotary jet grouting pile construction equipment. BACKGROUND
[0002] The high-pressure rotary jet grouting pile is a kind of equipment that uses a drilling machine to drill a rotary jet grouting pipe and a drill bit into the soil layer, and then uses a nozzle at the rotary jet grouting pipe to spray cement slurry into the soil layer, so that the cement slurry is mixed with the soil to form a continuous cement reinforced body. The high-pressure rotary jet grouting pile construction involves equipment such as geological hole-forming equipment, mixing and slurry preparation equipment, jet grouting equipment, and control and measurement detection equipment.
[0003] In the prior art, when the high-pressure rotary jet grouting pile is constructed, water and cement are directly put into the mixing and slurry preparation equipment for mixing work. However, because the cement raw material is exposed to the air for a long time before use, the cement raw material is prone to coagulation and clumping, making it difficult for the cement raw material to mix with water, thereby affecting the preparation efficiency of the cement slurry. SUMMARY
[0004] The application provides a kind of high-pressure rotary jet grouting pile construction equipment, with coagulation and clumping of cement material is broken up, facilitate the mixing of cement material and water, improve the efficiency of slurry preparation work.
[0005] The application provides a kind of high-pressure rotary jet grouting pile construction equipment, adopts the following technical scheme:
[0006] A kind of high-pressure rotary jet grouting pile construction equipment, including mixing box;The mixing box top is provided with the stirring box that can be communicated with the mixing box interior;The stirring box top is fixedly connected with the feeding port communicated with the stirring box interior;The first motor is installed on the outer side wall of the stirring box;The first motor output end is fixedly connected with the first rotating shaft extending into the stirring box interior;The first rotating shaft outer side wall is fixedly connected with the first broken material blade;The second rotating shaft is rotatably connected to the inner side wall of the stirring box;The second rotating shaft is coaxially arranged with the first rotating shaft, and the second rotating shaft outer side wall is fixedly connected with the second broken material blade;The second broken material blade and the first broken material blade are arranged in a staggered manner along the length direction of the first rotating shaft;The first rotating shaft is provided with a first transmission assembly at the end away from the first motor;The first transmission assembly can drive the first rotating shaft to drive the second rotating shaft to rotate in the opposite direction of the first rotating shaft.
[0007] Through the above technical scheme, the cement is put into the stirring box through the feeding port, the first motor is started to drive the first rotating shaft to rotate, the first rotating shaft drives the second rotating shaft to rotate under the action of the first transmission assembly, the first crushing blade and the second crushing blade rotate in opposite directions during the rotation of the first rotating shaft and the second rotating shaft, and the first crushing blade and the second crushing blade crush the cement lumps when the cement lumps pass through the gap between the first crushing blade and the second crushing blade arranged in a staggered manner, so that the cement lumps are fully broken, and the cement is mixed with water in the mixing box.
[0008] Preferably, the end of the first rotating shaft away from the first motor extends to the outside of the stirring box; the end of the second rotating shaft away from the first motor extends to the outside of the stirring box; the first transmission assembly comprises a first spur gear and a second spur gear; the first spur gear is fixedly connected to the end away from the first motor; the second spur gear is fixedly connected to the end of the second rotating shaft away from the first motor, and the second spur gear is engaged with the first spur gear.
[0009] Through the above technical scheme, the first rotating shaft drives the first spur gear to rotate during the rotation of the first rotating shaft, and the first rotating shaft drives the second rotating shaft to rotate in the opposite direction of the first rotating shaft under the meshing action of the first spur gear and the second spur gear, so that the kinetic energy of the first rotating shaft is transmitted.
[0010] Preferably, the first crushing blade has a first sharp rod fixedly connected to the outer side wall thereof; and the second crushing blade has a second sharp rod fixedly connected to the outer side wall thereof.
[0011] Through the above technical scheme, the first sharp rod and the second sharp rod crush the condensate of small particles in the cement during the rotation of the first crushing blade and the second crushing blade, thereby improving the crushing effect of the first crushing blade and the second crushing blade on the cement and fully breaking the cement lumps adhered together.
[0012] Preferably, a second motor is installed on the outer side wall of the mixing box; a third rotating shaft is fixedly connected to the output end of the second motor; the third rotating shaft is coaxially arranged with the second rotating shaft, and a first stirring plate is fixedly connected to the outer side wall of the third rotating shaft; a communication pipe is fixedly connected to the bottom of the stirring box at the end away from the mixing box; the communication pipe can communicate the stirring box and the mixing box, and a first electromagnetic valve is arranged on the communication pipe; a discharge pipe communicating with the inside of the mixing box is fixedly connected to the bottom of the mixing box; and a second electromagnetic valve is arranged on the discharge pipe.
[0013] By adopting the technical scheme, the first electromagnetic valve is opened, the cement dispersed in the stirring box enters the mixing box through the communication pipe to mix with water, the second motor is started to drive the third rotating shaft and the first stirring plate to rotate, the first stirring plate promotes the cement to mix with water in the rotating process, thereby completing the preparation of the cement slurry, and the prepared cement slurry is discharged through the discharge pipe.
[0014] Preferably, a fourth rotating shaft coaxial with the third rotating shaft is rotationally connected to the inner side wall of the end of the mixing box away from the second motor; a second stirring plate is fixedly connected to the outer side wall of the fourth rotating shaft, the end of the fourth rotating shaft away from the third rotating shaft extends into the third rotating shaft, and the fourth rotating shaft rotationally cooperates with the third rotating shaft; a second transmission assembly is arranged at the end of the fourth rotating shaft away from the third rotating shaft; and the second transmission assembly can drive the fourth rotating shaft to rotate with the second rotating shaft.
[0015] By adopting the technical scheme, the second rotating shaft drives the fourth rotating shaft and the second stirring plate to rotate through the second transmission assembly in the rotating process, the second stirring plate promotes the cement to mix with water in the rotating process, and when the rotating speeds of the third rotating shaft and the fourth rotating shaft are inconsistent, the first stirring plate and the second stirring plate have a speed difference, so that the cement is more disordered when mixing with water, thereby promoting the cement to mix with water more sufficiently and improving the quality of the prepared cement slurry.
[0016] Preferably, the end of the fourth rotating shaft away from the third rotating shaft extends to the outside of the mixing box; the second transmission assembly comprises a first pulley, a second pulley and a first belt; the first pulley is fixedly connected to the outer side wall of the end of the second rotating shaft extending to the outside of the stirring box; the second pulley is fixedly connected to the outer side wall of the end of the fourth rotating shaft extending to the outside of the mixing box; and the first belt is sleeved outside the first pulley and the second pulley, and the first belt links the first pulley and the second pulley.
[0017] By adopting the technical scheme, the second rotating shaft drives the first pulley to rotate in the rotating process, and the second rotating shaft drives the fourth rotating shaft to rotate under the cooperation of the first pulley, the second pulley and the first belt, thereby realizing the transmission of kinetic energy in the rotating process of the second rotating shaft.
[0018] Preferably, the first stirring plate is provided with a first through hole, and the second stirring plate is provided with a second through hole.
[0019] By adopting the technical scheme, the flow rate of water passing through the first through hole and the second through hole is improved in the process of stirring and mixing the cement and water by the first stirring plate and the second stirring plate, the mixing of the cement and water is promoted, and the working efficiency of preparing the cement slurry is improved.
[0020] Preferably, a screw rod coaxial with the third rotating shaft is rotatably connected to the inner side wall of the mixing box; a scraper threadedly matched with the screw rod is sleeved on the outer side wall of the screw rod; the scraper is attached to the inner side wall of the mixing box; and a third transmission assembly for enabling the third rotating shaft to drive the screw rod to rotate is arranged on the end of the screw rod close to the second motor.
[0021] By using the above technical scheme, in the process of rotating the third rotating shaft by the third motor, the third rotating shaft drives the screw rod to rotate through the third transmission member, the screw rod drives the scraper to slide along the inner side wall of the mixing box in the process of rotating the screw rod, and the scraper cleans the material adhered to the inner side wall of the mixing box in the process of sliding, thereby reducing the possibility of the material adhering to the inner side wall of the mixing box after solidification and reducing the difficulty of cleaning the inner side wall of the mixing box.
[0022] Preferably, the end of the screw rod close to the second motor extends to the outside of the mixing box; the end of the third rotating shaft close to the second motor extends to the outside of the mixing box; the third transmission assembly comprises a third pulley, a fourth pulley and a second belt; the third pulley is fixedly connected to the outer side wall of the end of the third rotating shaft close to the second motor; the fourth pulley is fixedly connected to the outer side wall of the end of the screw rod extending to the outside of the mixing box; and the second belt is sleeved outside the third pulley and the fourth pulley, and the second belt links the third pulley and the fourth pulley.
[0023] By using the above technical scheme, the third rotating shaft drives the third pulley to rotate in the process of rotating the third rotating shaft, the third rotating shaft drives the screw rod to rotate through the cooperation of the third pulley, the fourth pulley and the second belt, thereby realizing the transmission of kinetic energy in the process of rotating the third rotating shaft, and the reciprocating sliding of the scraper is facilitated by the forward and reverse rotation of the third rotating shaft driven by the second motor.
[0024] Preferably, a pump body is mounted on the outer side wall of the mixing box; a water inlet pipe is fixedly connected to the input end of the pump body; the end of the water inlet pipe away from the pump body is in communication with an external water source; a water outlet pipe is fixedly connected to the output end of the pump body; and the end of the water outlet pipe away from the pump body is in communication with the inside of the mixing box.
[0025] By using the above technical scheme, the pump body is started to transport the external water source from the water inlet pipe and the water outlet pipe to the mixing box for mixing with the cement, thereby reducing the trouble of manually pouring water into the mixing box; and when the cement and water are sufficiently mixed in the mixing box, the second electromagnetic valve on the discharge pipe is opened to discharge the prepared cement slurry from the discharge pipe.
[0026] In summary, the present application has the following beneficial effects:
[0027] 1. Start the motor to drive the first shaft and the second shaft to rotate, and the first shaft and the second shaft are provided with the first crushing blade and the second crushing blade to crush the cement material. Due to the opposite rotation direction of the first shaft and the second shaft, the first crushing blade and the second crushing blade are staggered, and the cement material is crushed when passing through the gap between the first crushing blade and the second crushing blade during the opposite rotation process, so that the crushed cement material is mixed with water, and the preparation efficiency of the cement slurry is improved;
[0028] 2. In the process of mixing the cement material with water, the second shaft drives the fourth shaft and the second stirring plate to rotate through the second transmission assembly, the second motor drives the third shaft and the first stirring plate to rotate, and the mixing of the cement material and water is promoted by the stirring action of the first stirring plate and the second stirring plate. During the forward and reverse rotation of the third shaft driven by the second motor, the rotation direction of the second stirring plate will change, and the stirring work of the first stirring plate is combined, so that the cement material is more disordered when mixed with water, the prepared slurry is more uniform, and the quality of the cement slurry is improved;
[0029] 3. In the process of rotating the third shaft driven by the second motor, the third shaft drives the lead screw to rotate through the third transmission assembly, so that the scraper slides along the inner wall of the mixing box. The scraper scrapes the cement material adhering to the inner wall of the mixing box, so that the cement material is not easy to dry and block on the inner wall of the mixing box, and the trouble of cleaning the inner wall of the mixing box is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 It is a structural schematic diagram of a high-pressure rotary jet pile construction equipment;
[0031] Figure 2 It is a cooperation structure schematic diagram of the first shaft and the second shaft in the application;
[0032] Figure 3 It is a schematic diagram of the internal structure of the mixing box in the application;
[0033] Figure 4 It is a cooperation structure schematic diagram of the second motor, the third transmission assembly and the lead screw in the application.
[0034] Explanation of reference signs: 1, mixing box; 11, communication pipe; 111, first electromagnetic valve; 12, discharge pipe; 121, second electromagnetic valve; 2, stirring box; 21, feeding port; 22, first motor; 23, first rotating shaft; 24, first crushing blade; 241, first sharp rod; 25, second rotating shaft; 26, second crushing blade; 261, second sharp rod; 27, first transmission assembly; 271, first spur gear; 272, second spur gear; 3, second motor; 31, third rotating shaft; 32, first stirring plate; 321, first through hole; 4, fourth rotating shaft; 41, second stirring plate; 411, second through hole; 42, second transmission assembly; 421, first pulley; 422, second pulley; 423, first belt; 5, lead screw; 51, scraper; 52, third transmission assembly; 521, third pulley; 522, fourth pulley; 523, second belt; 6, pump body; 61, water inlet pipe; 62, water outlet pipe; 7, supporting leg; 71, anti-skid pad. DETAILED DESCRIPTION
[0035] The application will be further described below in conjunction with the drawings. Identical parts are denoted by identical reference signs. It should be noted that the words "front", "rear", "left", "right", "upper", "lower", "bottom surface" and "top surface" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.
[0036] The application discloses a high-pressure rotary jet grouting pile construction equipment, which comprises a mixing box, a stirring box, a pump body, a discharge pipe and a supporting leg. Figure 1 and Figure 2As shown, the system includes a horizontally arranged mixing tank 1, which is cylindrical in shape. Support legs 7 are welded to the outer wall of the mixing tank 1 to support it. A mixing chamber 2, which communicates with the mixing tank 1, is fixedly connected to the top of the mixing tank 1. The mixing chamber 2 is horizontally arranged along the length of the mixing tank 1 and is cylindrical in shape. An inlet 21, communicating with the interior of the mixing chamber 2, is fixedly connected to the top side wall of the mixing chamber 2. A first motor 22 is installed on one side wall of the mixing chamber 2. A first rotating shaft 23 is fixedly connected to the output end of the first motor 22. Multiple first crushing blades 24, evenly spaced along the axial direction of the first rotating shaft 23, are fixedly connected to the outer wall of the first rotating shaft 23. A second rotating shaft 25, coaxial with the first rotating shaft 23, is rotatably connected to the inner wall of the mixing chamber 2. Multiple... A plurality of second crushing blades 26 are evenly spaced along the axial direction of the second rotating shaft 25, and a plurality of second crushing blades 26 and a plurality of first crushing blades 24 are spaced and staggered along the length of the mixing tank 2; a first transmission assembly 27 is provided at the end of the first rotating shaft 23 away from the first motor 22, the first transmission assembly 27 including a first spur gear 271 and a second spur gear 272; the end of the first rotating shaft 23 away from the first motor 22 extends to the outside of the mixing tank 2, the first spur gear 271 is fixedly connected to the end of the first rotating shaft 23 away from the first motor 22, the end of the second rotating shaft 25 away from the first motor 22 extends to the outside of the mixing tank 2; the second spur gear 272 is fixedly connected to the end of the second rotating shaft 25 away from the first motor 22, and the second spur gear 272 meshes with the first spur gear 271.
[0037] Cement is poured into the mixing tank 2 through the feed inlet 21. The first motor 22 is started to drive the first rotating shaft 23 to rotate. Under the meshing of the first spur gear 271 and the second spur gear 272, the first rotating shaft 23 drives the second rotating shaft 25 to rotate. When the first rotating shaft 23 and the second rotating shaft 25 rotate in opposite directions, the first crushing blade 24 and the second crushing blade 26 stir the cement and cause the cement to be broken up. Since the first crushing blade 24 and the second crushing blade 26 rotate in opposite directions, when the cement clumps pass through the gap between the first crushing blade 24 and the second crushing blade 26, the first crushing blade 24 and the second crushing blade 26 crush the clumps of material, thereby making it easier for the cement to be broken up and mixed with water.
[0038] like Figure 2 As shown, multiple first pointed rods 241 are fixedly connected to the side wall of the first crushing blade 24. The first pointed rods 241 are conical. Multiple second pointed rods 261 are fixedly connected to the side wall of the second crushing blade 26. The second pointed rods 261 are conical.
[0039] During the rotation of the first and second shredding blades 24 and 26, the first and second pointed rods 241 and 261 crush the small cement particles, thereby improving the dispersing effect of the first and second shredding blades 24 and 26 on the cement, so that the cement is less likely to contain a large number of coagulated particles when mixed with water, facilitating the mixing of the cement with water.
[0040] As shown in Figure 1 and Figure 2 , a plurality of communication pipes 11 are fixedly connected to the side wall of the bottom of the stirring box 2 and are uniformly arranged along the length direction of the stirring box 2. The end of the communication pipe 11 away from the stirring box 2 is fixedly connected to the top side wall of the mixing box 1. The communication pipe 11 can communicate the stirring box 2 and the mixing box 1. The first electromagnetic valve 111 is arranged on the communication pipe 11. The pump body 6 is installed on the side wall of the mixing box 1 away from the first motor 22. The input end of the pump body 6 is fixedly connected with the water inlet pipe 61. The output end of the pump body 6 is fixedly connected with the water outlet pipe 62. The end of the water inlet pipe 61 away from the pump body 6 can be communicated with an external water source. The end of the water outlet pipe 62 away from the pump body 6 is fixedly connected to the side wall of the mixing box 1 and is communicated with the inside of the mixing box 1. A plurality of discharge pipes 12 are fixedly connected to the bottom side wall of the mixing box 1 along the length direction of the mixing box 1. The second electromagnetic valve 121 is arranged on the discharge pipe 12.
[0041] The first electromagnetic valve 111 is opened to make the cement enter the mixing box 1 through the communication pipe 11. The pump body 6 is opened to transport the water source in the external environment to the mixing box 1 through the water inlet pipe 61 and the water outlet pipe 62, so that the cement and the water are mixed in the mixing box 1, thereby preparing the cement slurry required for high-pressure rotary jet pile grouting. When the preparation of the cement slurry is completed, the second electromagnetic valve 121 is opened to make the cement slurry discharged from the discharge pipe 12.
[0042] As shown in Figure 2 and Figure 3 , the fourth shaft 4 coaxial with the second shaft 25 is rotationally connected to the inner side wall of the mixing box 1 away from the first motor 22. The end of the second shaft 25 away from the second motor 3 is provided with a second transmission assembly 42. The second transmission assembly 42 includes a first pulley 421, a second pulley 422 and a first belt 423. The first pulley 421 is fixedly connected to the outer side wall of the end of the second shaft 25 away from the first motor 22. The end of the fourth shaft 4 away from the first motor 22 extends to the outside of the mixing box 1. The second pulley 422 is fixedly connected to the outer side wall of the end of the fourth shaft 4 extending to the outside of the mixing box 1. The first belt 423 is tightly sleeved outside the first pulley 421 and the second pulley 422. The first belt 423 links the first pulley 421 and the second pulley 422. A plurality of second stirring plates 41 are fixedly connected to the outer side wall of the fourth shaft 4 in the mixing box 1. A plurality of second through holes 411 are arranged on the plurality of second stirring plates 41.
[0043] The transmission of the first pulley 421, the second pulley 422 and the first belt 423 makes the second rotating shaft 25 drive the fourth rotating shaft 4 to rotate in the rotating process, so that the kinetic energy is transmitted in the rotating process of the second rotating shaft 25, the fourth rotating shaft 4 drives the second stirring plate 41 to stir the cement and water in the rotating process, so that the cement and water are fully mixed, and the second through hole 411 improves the flow rate of water and the working efficiency of the cement and water mixing.
[0044] As shown in Figure 3 and Figure 4 , the second motor 3 is installed on the outer side wall of the mixing box 1 away from the second pulley 422, the output end of the second motor 3 is fixedly connected with the third rotating shaft 31 extending into the mixing box 1, the third rotating shaft 31 is located on the same axis as the fourth rotating shaft 4, the end of the third rotating shaft 31 away from the second motor 3 is sleeved on the end of the fourth rotating shaft 4 close to the second motor 3, the fourth rotating shaft 4 is rotatably connected with the third rotating shaft 31 through a bearing, a plurality of first stirring plates 32 are fixedly connected to the side wall of the third rotating shaft 31, and a plurality of second stirring plates 41 are provided with first through holes 321.
[0045] When the cement and water are mixed, the second motor 3 drives the third rotating shaft 31 and the first stirring plate 32 to rotate, the rotation speed of the third rotating shaft 31 is controlled by the second motor 3 to make the first stirring plate 32 rotate at a different speed from the first stirring, so that the cement and water are more disordered during mixing, the cement and water are more fully mixed, thereby improving the quality of the prepared cement slurry, and the first through hole 321 improves the flow rate of water and the mixing efficiency of the cement and water.
[0046] As shown in Figure 3 and Figure 4 , the lead screw 5 coaxial with the third rotating shaft 31 is rotatably connected to the inner side wall of the mixing box 1, the end of the lead screw 5 close to the second motor 3 extends to the outside of the mixing box 1, the end of the lead screw 5 extending to the outside of the mixing box 1 is provided with a third transmission assembly 52 for driving the lead screw 5 to rotate with the third rotating shaft 31, the third transmission assembly 52 comprises a third pulley 521, a fourth pulley 522 and a second belt 523, the third pulley 521 is fixedly connected to the outer side wall of the end of the third rotating shaft 31 close to the second motor 3, the fourth pulley 522 is fixedly connected to the outer side wall of the end of the lead screw 5 extending to the outside of the mixing box 1, the second belt 523 is tightly sleeved outside the third pulley 521 and the fourth pulley 522, and the second belt 523 drives the third pulley 521 and the fourth pulley 522 to move together; the scraper 51 threadedly connected with the lead screw 5 is sleeved on the outer side wall of the lead screw 5, the scraper 51 is in the form of a circular ring, and the scraper 51 is attached to the inner side wall of the mixing box 1.
[0047] The transmission of the third pulley 521, the fourth pulley 522 and the second belt 523 makes the third rotating shaft 31 drive the lead screw 5 to rotate, realizes the transmission of kinetic energy during the rotation of the third rotating shaft 31, and the sliding of the scraper 51 along the inner wall of the mixing box 1 during the rotation of the lead screw 5, and the scraper 51 scrapes the material adhered to the inner wall of the mixing box 1 during the sliding, thereby reducing the difficulty of cleaning the inner wall of the mixing box 1. By making the third rotating shaft 31 rotate forward and backward, the scraper 51 scrapes the material adhered to the inner wall of the mixing box 1 reciprocally.
[0048] As shown in Figure 1 The bottom surface of the supporting leg 7 is provided with a non-slip pad 71, which is made of rubber material. The non-slip pad 71 is arranged to prevent the device from sliding and improve the stability of the device on the placement plane.
[0049] Working principle: cement is poured into the mixing box 2 through the feed port 21, the first motor 22 is started to drive the first rotating shaft 23 and the first spur gear 271 to rotate, under the meshing cooperation of the first spur gear 271 and the second spur gear 272, the first rotating shaft 23 drives the second rotating shaft 25 to rotate, during the rotation of the first rotating shaft 23 and the second rotating shaft 25, the first stirring plate 32 and the second stirring plate 41 stir the cement in the cement mixing box 2, and the cement adhered together is dispersed, when the cement block passes through the gap between the first stirring plate 32 and the second stirring plate 41, the first stirring plate 32 and the second stirring plate 41 with opposite rotation directions crush the cement block, the first sharp rod 241 and the second sharp rod 261 are arranged to crush smaller blocks in the cement, which improves the crushing effect of the first stirring plate 32 and the second stirring plate 41 on the cement, and promotes the first stirring plate 32 and the second stirring plate 41 to disperse the cement sufficiently;
[0050] Opening the first electromagnetic valve 111 makes the cement in the mixing box 2 enter the mixing box 1 through the communication pipe 11, opening the pump body 6 to deliver the external water source to the mixing box 1 through the water inlet pipe 61 and the water outlet pipe 62, so that the cement and water are mixed in the mixing box 1, and the second rotating shaft 25 drives the fourth rotating shaft 4 to rotate and the second stirring plate 41 to rotate under the cooperation of the first pulley 421, the second pulley 422 and the third pulley 521, and the cement and water are fully mixed by the stirring action of the second stirring plate 41.
[0051] The second motor 3 is started during the mixing of the cement material and water, the second motor 3 drives the third rotating shaft 31 and the first stirring plate 32 to rotate, the rotation speed of the third rotating shaft 31 is controlled by the second motor 3, so that the first stirring plate 32 and the second stirring plate 41 rotate in the same direction at different speeds, the disorder of the mixing of the cement material and water is improved, when the third rotating shaft 31 is controlled by the second motor 3 to rotate reversely, the first stirring plate 32 and the second stirring plate 41 rotate reversely, the mixing of the cement material and water is improved, the quality of the prepared cement slurry is improved, the first through hole 321 arranged on the first stirring plate 32 and the second through hole 411 arranged on the second stirring plate 41 improve the flow speed of the water, and the mixing efficiency of the cement and the water is improved;
[0052] During the rotation of the third rotating shaft 31 driven by the second motor 3, the third rotating shaft 31 drives the lead screw 5 to rotate through the cooperation of the third belt pulley 521, the fourth belt pulley 522 and the second belt 523, so that the scraper 51 slides along the inner side wall of the mixing box 1, the scraper 51 scrapes the cement material adhered to the inner side wall of the mixing box 1, and the possibility of the cement material adhered to the inner side wall of the mixing box 1 after drying and solidification is reduced, during the forward and reverse rotation of the third rotating shaft 31 driven by the second motor 3, the scraper 51 reciprocally slides along the inner side wall of the mixing box 1, when the preparation of the cement slurry is completed, the second valve is opened, and the cement slurry is discharged from the mixing box 1.
[0053] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. A high-pressure jet grouting pile construction equipment, characterized by: The utility model provides a mixing box (1), the mixing box (1) top is provided with the stirring box (2) can communicate with mixing box (1) inside, the stirring box (2) top is fixedly connected with the feed inlet (21) that communicates with stirring box (2) inside, the first motor (22) is installed on the stirring box (2) outside wall, the first motor (22) output is fixedly connected with the first rotating shaft (23) that extends into stirring box (2) inside, the first rotating shaft (23) outside wall is fixedly connected with the first material blade (24), the second rotating shaft (25) rotation is connected on the stirring box (2) inner wall, the second rotating shaft (25) is arranged with the coaxial direction of first rotating shaft (23), and the second material blade (26) is fixedly connected on the second rotating shaft (25) outside wall, and the second material blade (26) is misaligned with the first material blade (24) in the length direction of first rotating shaft (23), and the first rotating shaft (23) is provided with the first transmission assembly (27) on the end away from the first motor (22), and the first transmission assembly (27) can drive the first rotating shaft (23) to drive the second rotating shaft (25) to rotate in the opposite direction of first rotating shaft (23) direction; The second motor (3) is installed on the mixing box (1) outside wall, the third rotating shaft (31) is fixedly connected on the second motor (3) output, the third rotating shaft (31) is arranged with the coaxial direction of second rotating shaft (25), and the first stirring plate (32) is fixedly connected on the third rotating shaft (31) outside wall, the communication pipe (11) is fixedly connected on the stirring box (2) bottom on the end away from the mixing box (1) of the communication pipe (11), and the communication pipe (11) can communicate stirring box (2) with mixing box (1), and the first electromagnetic valve (111) is arranged on the communication pipe (11), the discharge pipe (12) is fixedly connected with the inside communication of mixing box (1) on the mixing box (1) bottom, and the second electromagnetic valve (121) is arranged on the discharge pipe (12), The fourth rotating shaft (4) rotation is connected on the end away from the third rotating shaft (31) of the mixing box (1) inner side wall with the coaxial line of third rotating shaft (31), and the second stirring plate (41) is fixedly connected on the fourth rotating shaft (4) outside wall, and the fourth rotating shaft (4) end close to third rotating shaft (31) extends into third rotating shaft (31) inside, and the fourth rotating shaft (4) is rotationally cooperated with third rotating shaft (31), and the second transmission assembly (42) is arranged on the end away from third rotating shaft (31) of the fourth rotating shaft (4), and the second transmission assembly (42) can make the second rotating shaft (25) drive the fourth rotating shaft (4) rotation, The fourth rotating shaft (4) extends to the outside of the mixing box (1) from the end of the third rotating shaft (31); the second transmission assembly (42) comprises a first belt pulley (421), a second belt pulley (422) and a first belt (423); the first belt pulley (421) is fixed to the outer side wall of the end of the second rotating shaft (25) extending to the outside of the stirring box (2); the second belt pulley (422) is fixed to the outer side wall of the end of the fourth rotating shaft (4) extending to the outside of the mixing box (1); the first belt (423) is sleeved outside the first belt pulley (421) and the second belt pulley (422), and the first belt (423) links the first belt pulley (421) and the second belt pulley (422).
2. The high-pressure jet grouting pile construction equipment according to claim 1, characterized in that: The first rotating shaft (23) extends to the outside of the stirring box (2) from the end of the first motor (22); the second rotating shaft (25) extends to the outside of the stirring box (2) from the end of the first motor (22); the first transmission assembly (27) comprises a first spur gear (271) and a second spur gear (272); the first spur gear (271) is fixed to the end away from the first motor (22); the second spur gear (272) is fixed to the end of the second rotating shaft (25) away from the first motor (22), and the second spur gear (272) is engaged with the first spur gear (271).
3. The high-pressure jet grouting pile construction equipment according to claim 1, characterized in that: The first crushing blade (24) is fixed with a first sharp rod (241) on the outer side wall; the second crushing blade (26) is fixed with a second sharp rod (261) on the outer side wall.
4. The high-pressure jet grouting pile construction equipment according to claim 1, characterized in that: The first stirring plate (32) is provided with a first through hole (321); the second stirring plate (41) is provided with a second through hole (411).
5. The high-pressure jet grouting pile construction equipment according to claim 1, characterized in that: The mixing box (1) is rotatably connected with a screw rod (5) coaxial with the third rotating shaft (31) on the inner side wall; the screw rod (5) is sleeved with a scraper (51) threadedly driven with the screw rod (5) on the outer side wall; the scraper (51) is attached to the inner side wall of the mixing box (1); the end of the screw rod (5) close to the second motor (3) is provided with a third transmission assembly (52) capable of driving the third rotating shaft (31) to rotate.
6. The high-pressure jet grouting pile construction equipment according to claim 5, characterized in that: The end of the screw rod (5) close to the second motor (3) extends to the outside of the mixing box (1); the end of the third rotating shaft (31) close to the second motor (3) extends to the outside of the mixing box (1); the third transmission assembly (52) comprises a third belt pulley (521), a fourth belt pulley (522) and a second belt (523); the third belt pulley (521) is fixed to the outer side wall of the end of the third rotating shaft (31) close to the second motor (3); the fourth belt pulley (522) is fixed to the outer side wall of the end of the screw rod (5) extending to the outside of the mixing box (1); the second belt (523) is sleeved outside the third belt pulley (521) and the fourth belt pulley (522), and the second belt (523) links the third belt pulley (521) and the fourth belt pulley (522).
7. The high-pressure jet grouting pile construction equipment according to claim 1, characterized in that: The mixing box (1) outer side wall is provided with a pump body (6); the input end of the pump body (6) is fixedly connected with a water inlet pipe (61); the end of the water inlet pipe (61) far from the pump body (6) can be communicated with an external water source; the output end of the pump body (6) is fixedly connected with a water outlet pipe (62); the end of the water outlet pipe (62) far from the pump body (6) is communicated with the inside of the mixing box (1).
Citation Information
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