Bentonite sand barrier laying device

Abstract

The utility model discloses a bentonite sand-protecting barrier laying device which comprises a rectangular bottom frame, a plurality of sand-protecting barriers and a plurality of sand-protecting barriers, the number of the rolling wheels is four, every two rolling wheels form a group, and the rolling wheels are rotationally installed on the inner wall of the bottom frame through rotating shafts correspondingly. The driving mechanism drives the rolling wheels to rotate; the buffer soil turning structure is arranged on one side of the bottom frame, the buffer soil turning structure comprises a plurality of soil turning shovels, the soil turning shovels are in an arc shape and are bent inwards, and under the action of the buffer soil turning structure, sandy soil can be turned over to be loose and soft in the advancing process of the bottom frame, so that the soil turning effect is improved; according to the bentonite paving device, bentonite can fall onto sandy soil which is turned over at the bottom under the action of a discharging and mixing structure, then the bentonite and the sandy soil can be stirred and mixed, meanwhile, under the action of a soil pressing and cleaning structure, the mixed soil can be subjected to auxiliary compaction, and paving of the bentonite is completed.

Description

Technical Field

[0001] This utility model relates to the field of laying device technology, specifically a bentonite sand barrier laying device. Background Technology

[0002] Bentonite, also known as bentonite, soap clay, or bentonite rock, has strong hygroscopic and expansive properties. It can absorb 8 to 15 times its own volume of water, and its volume can expand to several times to 30 times. In an aqueous medium, it can disperse into a gel-like or suspension-like state. This medium solution has certain viscosity, thixotropy, and lubricity. Due to its strong water absorption and expansive properties, bentonite is often used as the main component of sand barrier structures, thereby playing a role in preventing soil erosion, fixing sand, and retaining water and soil moisture.

[0003] When bentonite is used as a component of sand barrier structures, it needs to be laid in the same way as traditional sand barrier structures. Appropriate laying equipment is required to assist in the laying process, so that the bentonite can be evenly laid on the top of the sand to play its role.

[0004] Generally, traditional sand barrier laying devices typically place bentonite and other structural components on top of the sand when laying sand barriers, thus covering the bentonite with the top layer of sand. Due to the water absorption and expansion properties of bentonite, it only works on the top layer of sand, while the deeper sand still loses water, making the surface bentonite layer unstable and reducing its actual effectiveness. Alternatively, shoveling out the sand separately and mixing it with bentonite using other equipment before laying it again increases costs. Furthermore, the resulting bentonite layer can only be laid on top of the sand, leading to new sand layers covering the surface, and the project is extensive and costly.

[0005] In summary, a bentonite sand barrier laying device needs to be proposed to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a bentonite sand barrier laying device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A bentonite sand barrier laying device includes:

[0009] The base frame is rectangular;

[0010] The rollers are four in number, with two rollers forming a group, and each group is rotatably mounted to the inner wall of the base frame via a rotating shaft.

[0011] A drive mechanism that drives the rolling wheel to rotate;

[0012] A buffer soil turning structure is provided on one side of the base frame. The buffer soil turning structure includes several soil turning shovels, which are arc-shaped and curved inward.

[0013] The discharge mixing structure is located on the top of the base frame and includes an active spiral discharge rod and a stirring rod.

[0014] The soil-pressing and cleaning structure is set on the top of the base frame and located on one side of the discharge mixing structure. The soil-pressing and cleaning structure includes a U-shaped frame and a soil-pressing roller. The bottom of the outer surface of the U-shaped frame is fixedly connected to the top of the outer surface of the base frame.

[0015] A control cabinet, which is fixedly connected to the top of the U-shaped frame.

[0016] Preferably, the buffer soil turning structure further includes a rectangular card frame fixedly connected to one side of the outer surface of the base frame. A rectangular card block is snapped into the inner wall of the rectangular card frame. A first insertion hole is opened at the top and bottom of the inner wall of the rectangular card frame. A second insertion hole is opened in the inner wall of the rectangular card block. A threaded insertion rod is inserted into the inner wall of the first insertion hole and the second insertion hole. A fixing nut is threadedly connected to the top of the threaded insertion rod.

[0017] Preferably, a first fixing rod is fixedly connected to one side of the outer surface of the rectangular block, a first sliding cylinder is slidably connected to one end of the first fixing rod, a U-shaped plate is fixedly connected to one side of the outer surface of the first sliding cylinder, a first spring is sleeved on the outer surface of the first fixing rod, and the two ends of the first spring are fixedly connected to the outer surface of the first sliding cylinder and the rectangular block, respectively.

[0018] Preferably, a first rotating rod is rotatably connected between the two sides of the inner wall of the U-shaped plate, a rotating block is fixedly connected to the outer surface of the first rotating rod, a rectangular connecting plate is fixedly connected to the outer surface of the rotating block, one side of the outer surface of the rectangular connecting plate is fixedly connected to the outer surface of the soil turning shovel, one end of the first rotating rod passes through the U-shaped plate and is fixedly connected to an operating round block, a first threaded locking rod is threadedly connected to the inner wall of the operating round block, and four equidistantly arranged first threaded locking holes are opened on one side of the inner wall of the U-shaped plate.

[0019] Preferably, the discharge mixing structure further includes a U-shaped frame fixedly connected to the top of the outer surface of the base frame. A bentonite placement frame is fixedly connected to the top of the outer surface of the U-shaped frame. The bentonite placement frame consists of a rectangular frame at the top and a rectangular funnel frame at the bottom. A cover plate is provided on the top of the bentonite placement frame. An L-shaped plate is fixedly connected to one side of the cover plate. A second threaded clamping rod is threadedly connected to the inner wall of the L-shaped plate. Second threaded clamping holes are provided on both sides of the bentonite placement frame.

[0020] Preferably, a rectangular frame is fixedly connected to the bottom of the outer surface of the cover plate, a first motor is fixedly installed on the top of the cover plate, a drive rod is fixedly connected to the output end of the first motor, the bottom end of the drive rod passes through the rectangular frame and is rotatably connected to the inner wall of the rectangular frame, a drive gear is fixedly connected to the outer surface of the drive rod, two driven rods are symmetrically rotatably connected to the bottom of the cover plate, the bottom end of the driven rod passes through the rectangular frame and is rotatably connected to the inner wall of the rectangular frame, a driven gear is fixedly connected to the outer surface of the driven rod, the drive gear and the two driven gears are meshed and connected respectively, and both the drive gear and the driven gears are located inside the rectangular frame.

[0021] Preferably, the bottom end of the active rod is fixedly connected to the top end of the active spiral discharge rod, the bottom end of the driven rod is fixedly connected to the driven spiral discharge rod, three discharge slots are provided at the connection between the bentonite placement frame and the U-shaped frame, and a discharge cylinder is fixedly connected below the connection between the bentonite placement frame and the U-shaped frame. The two driven spiral discharge rods and the active spiral discharge rod are respectively arranged inside the three discharge slots and the discharge cylinder.

[0022] Preferably, the bottom ends of both the active and driven spiral discharge rods are fixedly connected to a fixed cylinder. A sliding cylindrical rod is slidably connected to the inner wall of the bottom end of the fixed cylinder. A threaded extrusion rod is threadedly connected to the inner wall of one side of the fixed cylinder. Two threaded extrusion holes are opened on one side of the sliding cylindrical rod. A connecting block is fixedly connected to the bottom end of the sliding cylindrical rod. The outer surface of the connecting block is fixedly connected to the stirring rod. A round protrusion rod is fixedly connected to the outer surface of the stirring rod.

[0023] Preferably, the soil compaction and cleaning structure further includes a rotating shaft rotatably mounted on the inner wall of the base frame. The outer surface of the rotating shaft is fixedly connected to the inner wall of the soil compaction roller. A first gear is fixedly connected to the outer surface of the rotating shaft. A second motor is fixedly installed on one side of the U-shaped frame. An auxiliary rod is fixedly connected to the output end of the second motor. A second gear is fixedly connected to one end of the auxiliary rod. The first gear and the second gear are meshed together.

[0024] Preferably, a second fixing rod is fixedly connected to the outer surface of the U-shaped frame, a second sliding cylinder is slidably inserted into the bottom end of the second fixing rod, a cleaning plate is fixedly connected to the bottom of the outer surface of the second sliding cylinder, a second spring is sleeved on the outer surface of the second fixing rod, and the two ends of the second spring are fixedly connected to the outer surfaces of the U-shaped frame and the second sliding cylinder, respectively.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows: Under the action of the buffer turning structure, the sand can be turned over and softened during the forward movement of the base frame. Then, under the action of the discharge mixing structure, the bentonite can fall onto the turned sand at the bottom, thus mixing the bentonite and sand. At the same time, under the action of the soil compaction and cleaning structure, the mixed soil is compacted to complete the laying of bentonite. After the entire laying process is completed, the bentonite and sand can be mixed and compacted, which can effectively prevent wind and fix sand, and retain moisture. The buffer turning structure can be disassembled and the angle can be adjusted for easy movement and use. The discharge mixing structure can be used in conjunction with the mixing, and the entire mixing rod and other structures can be disassembled and stored for easy movement and use. The soil compaction and cleaning structure can assist in cleaning the outer surface of the soil compaction roller during its rotation. Attached Figure Description

[0026] Figure 1 To illustrate the overall structure of the bentonite sand barrier laying device;

[0027] Figure 2 This is a schematic diagram of the bentonite sand barrier laying device viewed from below;

[0028] Figure 3 This is a cross-sectional view of the bentonite placement frame of the bentonite sand barrier laying device;

[0029] Figure 4 This is a schematic diagram of the rectangular frame structure of the bentonite sand barrier laying device;

[0030] Figure 5 This is a schematic diagram of the rectangular locking block structure of the bentonite sand barrier laying device;

[0031] Figure 6 To illustrate the structural diagram of the cover plate of the bentonite sand barrier laying device;

[0032] Figure 7 This is a schematic diagram showing the internal structure of the bentonite placement frame in the bentonite sand barrier laying device;

[0033] Figure 8 This is a schematic diagram of the structure at the fixed cylinder of the bentonite sand barrier laying device;

[0034] Figure 9 To illustrate the structural diagram of the control cabinet of the bentonite sand barrier laying device;

[0035] Figure 10 This is a schematic diagram of the structure of the soil pressing roller of the bentonite sand barrier laying device.

[0036] In the picture:

[0037] 1. Base frame; 2. Casters; 3. Drive mechanism;

[0038] 4. Buffer soil turning structure; 41. Rectangular frame; 42. Rectangular block; 43. First insertion hole; 44. Second insertion hole; 45. Threaded rod; 46. Fixing nut; 47. First fixing rod; 48. First sliding cylinder; 49. First spring; 410. U-shaped plate; 411. First rotating rod; 412. Rotating block; 413. Rectangular connecting plate; 414. Soil turning shovel; 415. Operating round block; 416. First threaded rod; 417. First threaded hole;

[0039] 5. Discharge and mixing structure; 51. U-shaped frame; 52. Bentonite placement frame; 53. Cover plate; 54. Second threaded clamping hole; 55. L-shaped plate; 56. Second threaded clamping rod; 57. Rectangular frame; 58. First motor; 59. Driving rod; 510. Driven rod; 511. Driving gear; 512. Driven gear; 513. Driving spiral discharge rod; 514. Driven spiral discharge rod; 515. Discharge trough; 516. Discharge cylinder; 517. Fixed cylinder; 518. Sliding rod; 519. Threaded extrusion rod; 520. Threaded extrusion hole; 521. Connecting block; 522. Stirring rod; 523. Round convex rod;

[0040] 6. Soil compaction and cleaning structure; 61. U-shaped frame; 62. Rotating shaft; 63. Soil compaction roller; 64. First gear; 65. Second motor; 66. Auxiliary rod; 67. Second gear; 68. Second fixing rod; 69. Second sliding cylinder; 610. Second spring; 611. Cleaning plate;

[0041] 7. Control cabinet. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0043] Please see Figures 1 to 10 This utility model provides a technical solution:

[0044] A bentonite sand barrier laying device includes:

[0045] Base frame 1, base frame 1 is rectangular;

[0046] Rolling wheels 2, there are four rolling wheels 2 in total, with two rolling wheels 2 forming a group, and each group is rotatably mounted to the inner wall of the base frame 1 via a rotating shaft;

[0047] Drive mechanism 3 drives the rolling wheel 2 to rotate;

[0048] The buffer soil turning structure 4 is set on one side of the base frame 1. The buffer soil turning structure 4 includes several soil turning shovels 414, which are arc-shaped and curved inward.

[0049] The discharge mixing structure 5 is located on the top of the base frame 1. The discharge mixing structure 5 includes an active spiral discharge rod 513 and a stirring rod 522.

[0050] The soil pressing and cleaning structure 6 is set on the top of the base frame 1 and located on one side of the discharge mixing structure 5. The soil pressing and cleaning structure 6 includes a U-shaped frame 61 and a soil pressing roller 63. The bottom of the outer surface of the U-shaped frame 61 is fixedly connected to the top of the outer surface of the base frame 1.

[0051] Control cabinet 7 is fixedly connected to the top of U-shaped frame 61;

[0052] Under the action of the buffer turning structure 4, the sand can be turned over and softened during the forward movement of the base frame 1. Then, under the action of the discharge mixing structure 5, the bentonite can fall onto the turned sand at the bottom, and the bentonite and sand can be mixed. At the same time, under the action of the soil compaction and cleaning structure 6, the mixed soil is compacted to complete the laying of bentonite. After the entire laying process is completed, the bentonite and sand can be mixed and compacted, which can effectively prevent wind and fix sand, and retain moisture. The buffer turning structure 4 can be disassembled and the angle can be adjusted for easy movement and use. The discharge mixing structure 5 can be used to mix the sand. The entire mixing rod 522 and other structures can be disassembled and stored for easy movement and use. The soil compaction and cleaning structure 6 can clean the outer surface of the soil compaction roller 63 during its rotation.

[0053] refer to Figure 4 and Figure 5 The buffer soil turning structure 4 also includes a rectangular card frame 41 fixedly connected to one side of the outer surface of the base frame 1. A rectangular card block 42 is snapped into the inner wall of the rectangular card frame 41. A first insertion hole 43 is opened at the top and bottom of the inner wall of the rectangular card frame 41. A second insertion hole 44 is opened in the inner wall of the rectangular card block 42. A threaded insertion rod 45 is inserted into the inner wall of the first insertion hole 43 and the second insertion hole 44. A fixing nut 46 is threadedly connected to the top of the threaded insertion rod 45.

[0054] By setting rectangular card blocks 42 and rectangular card frames 41, components such as U-shaped plates 410 can be fixedly installed with the base frame 1, and threaded plug rods 45 can cooperate with the first plug hole 43 and the second plug hole 44 for auxiliary fixing.

[0055] refer to Figure 5A first fixing rod 47 is fixedly connected to one side of the outer surface of the rectangular block 42. A first sliding cylinder 48 is slidably connected to one end of the first fixing rod 47. A U-shaped plate 410 is fixedly connected to one side of the outer surface of the first sliding cylinder 48. A first spring 49 is sleeved on the outer surface of the first fixing rod 47. The two ends of the first spring 49 are fixedly connected to the outer surfaces of the first sliding cylinder 48 and the rectangular block 42, respectively.

[0056] By setting the first fixed rod 47 and the first sliding cylinder 48, they can work in conjunction with the first spring 49 to provide auxiliary buffering when the U-shaped plate 410 is subjected to compressive force.

[0057] refer to Figure 5 A first rotating rod 411 is rotatably connected between the two sides of the inner wall of the U-shaped plate 410. A rotating block 412 is fixedly connected to the outer surface of the first rotating rod 411. A rectangular connecting plate 413 is fixedly connected to the outer surface of the rotating block 412. One side of the outer surface of the rectangular connecting plate 413 is fixedly connected to the outer surface of the soil turning shovel 414. One end of the first rotating rod 411 passes through the U-shaped plate 410 and is fixedly connected to an operating round block 415. A first threaded clamp rod 416 is threadedly connected to the inner wall of the operating round block 415. Four equidistant circumferentially arranged first threaded clamp holes 417 are opened on one side of the inner wall of the U-shaped plate 410.

[0058] By setting the first rotating rod 411 and the rotating block 412, the rectangular connecting plate 413 and other components can be driven to rotate, which in turn can drive the soil turning shovel 414 to rotate, which can then be fixed in conjunction with the first threaded clamp rod 416 and the first threaded clamp hole 417, thus facilitating the soil turning operation.

[0059] refer to Figure 4 and Figure 6 The discharge mixing structure 5 also includes a U-shaped frame 51 fixedly connected to the top of the outer surface of the base frame 1. A bentonite placement frame 52 is fixedly connected to the top of the outer surface of the U-shaped frame 51. The bentonite placement frame 52 is composed of a rectangular frame at the top and a rectangular funnel frame at the bottom. A cover plate 53 is provided on the top of the bentonite placement frame 52. An L-shaped plate 55 is fixedly connected to one side of the cover plate 53. A second threaded clamping rod 56 is threadedly connected to the inner wall of the L-shaped plate 55. Second threaded clamping holes 54 are opened on both sides of the bentonite placement frame 52.

[0060] By setting up the bentonite placement frame 52, it can be used in conjunction with the second threaded rod 56 and the second threaded hole 54, thereby allowing the cover plate 53 and the bentonite placement frame 52 to be disassembled and assembled.

[0061] refer to Figure 6A rectangular frame 57 is fixedly connected to the bottom of the outer surface of the cover plate 53. A first motor 58 is fixedly installed on the top of the cover plate 53. An active rod 59 is fixedly connected to the output end of the first motor 58. The bottom end of the active rod 59 passes through the rectangular frame 57 and is rotatably connected to the inner wall of the rectangular frame 57. An active gear 511 is fixedly connected to the outer surface of the active rod 59. Two driven rods 510 are symmetrically rotatably connected to the bottom of the cover plate 53. The bottom end of the driven rod 510 passes through the rectangular frame 57 and is rotatably connected to the inner wall of the rectangular frame 57. A driven gear 512 is fixedly connected to the outer surface of the driven rod 510. The active gear 511 and the two driven gears 512 are meshed and connected respectively. The active gear 511 and the driven gears 512 are both located inside the rectangular frame 57.

[0062] By setting the driving rod 59 and the driving gear 511, the driven gear 512 and the driven rod 510 can be driven to rotate, thereby enabling auxiliary transmission.

[0063] refer to Figure 6 and Figure 7 The bottom end of the active rod 59 is fixedly connected to the top end of the active screw discharge rod 513. The bottom end of the driven rod 510 is fixedly connected to the driven screw discharge rod 514. Three discharge slots 515 are provided at the connection between the bentonite placement frame 52 and the U-shaped frame 51. A discharge cylinder 516 is fixedly connected below the connection between the bentonite placement frame 52 and the U-shaped frame 51. The two driven screw discharge rods 514 and the active screw discharge rod 513 are respectively set inside the three discharge slots 515 and the discharge cylinder 516.

[0064] By setting an active screw discharge rod 513 and a driven screw discharge rod 514, they can work together with the discharge trough 515 and the discharge cylinder 516 to assist in material discharge.

[0065] refer to Figure 6 and Figure 8 The bottom ends of both the active screw discharge rod 513 and the driven screw discharge rod 514 are fixedly connected to a fixed cylinder 517. A sliding round rod 518 is slidably connected to the inner wall of the bottom end of the fixed cylinder 517. A threaded extrusion rod 519 is threadedly connected to the inner wall of one side of the fixed cylinder 517. Two threaded extrusion holes 520 are opened on one side of the sliding round rod 518. A connecting round block 521 is fixedly connected to the bottom end of the sliding round rod 518. The outer surface of the connecting round block 521 is fixedly connected to the stirring rod 522. A round protrusion rod 523 is fixedly connected to the outer surface of the stirring rod 522.

[0066] By setting the sliding round rod 518 and the fixed cylinder 517, they can be used in conjunction with the threaded extrusion hole 520 and the threaded extrusion rod 519 for auxiliary fixation, thereby driving the stirring rod 522 to adjust its position and facilitate rotation and stirring.

[0067] refer to Figure 9 and Figure 10 The soil compaction and cleaning structure 6 also includes a rotating shaft 62 rotatably mounted on the inner wall of the base frame 1. The outer surface of the rotating shaft 62 is fixedly connected to the inner wall of the soil compaction roller 63. A first gear 64 is fixedly connected to the outer surface of the rotating shaft 62. A second motor 65 is fixedly installed on one side of the U-shaped frame 61. An auxiliary rod 66 is fixedly connected to the output end of the second motor 65. A second gear 67 is fixedly connected to one end of the auxiliary rod 66. The first gear 64 and the second gear 67 are meshed together.

[0068] By setting a rotating shaft 62, it can rotate in conjunction with the first gear 64 and the second gear 67, which in turn can drive the soil compaction roller 63 and other components to rotate, thus facilitating soil compaction.

[0069] refer to Figure 9 A second fixing rod 68 is fixedly connected to the outer surface of the U-shaped frame 61. A second sliding cylinder 69 is slidably inserted into the bottom end of the second fixing rod 68. A cleaning plate 611 is fixedly connected to the bottom of the outer surface of the second sliding cylinder 69. A second spring 610 is sleeved on the outer surface of the second fixing rod 68. The two ends of the second spring 610 are fixedly connected to the outer surfaces of the U-shaped frame 61 and the second sliding cylinder 69, respectively.

[0070] By setting a second fixed rod 68 and a second sliding cylinder 69, and then cooperating with the second spring 610, the cleaning plate 611 can be attached to the soil pressing roller 63, thus facilitating cleaning.

[0071] The overall working principle is as follows:

[0072] In use, the rectangular clip 42 is inserted into the inner wall of the rectangular clip frame 41, the threaded rod 45 is inserted into the inner wall of the first insertion hole 43 and the second insertion hole 44, the fixing nut 46 is fixed to the threaded rod 45, the soil turning shovel 414 is operated to make the rotating block 412 and the first rotating rod 411 rotate, which can drive the soil turning shovel 414 to move to the appropriate position, and the first threaded clip 416 is fixed to the first threaded clip hole 417 for auxiliary fixation.

[0073] At this point, bentonite is placed inside the bentonite placement frame 52. The cover plate 53 is then snapped into the top of the bentonite placement frame 52. The second threaded clamp rod 56 is fixed to the second threaded clamp hole 54. The active screw discharge rod 513 and the driven screw discharge rod 514 can then be inserted into the discharge trough 515 and the discharge cylinder 516. The first motor 58 is then started, which drives the active rod 59 to rotate, which in turn drives the active gear 511 to rotate, which in turn drives the driven gear 512 and the driven rod 510 to rotate, which in turn drives the active screw discharge rod 513 and the driven screw discharge rod 514 to rotate, thus discharging the material. At the same time, the connecting block 521 and the stirring rod 522 are also driven to rotate, and the bentonite is mixed with the turned sand under the action of the round convex rod 523.

[0074] At the same time, the second motor 65 is started, which enables the auxiliary rod 66 to drive the second gear 67 to rotate, which in turn drives the first gear 64 to rotate, which in turn drives the compaction roller 63 to rotate, thereby compacting the mixture of sand and bentonite. Meanwhile, under the action of the cleaning plate 611, the sand and impurities on the outer surface of the compaction roller 63 can be cleaned.

[0075] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for laying a berm of bentonite clay, characterised in that, It includes: The chassis (1) is rectangular; The number of rolling wheels (2) is four, every two rolling wheels (2) is a group, and is rotatably installed on the inner wall of the chassis (1) through the rotating shaft; The driving mechanism (3) drives the rolling wheel (2) to rotate; The buffer soil turning structure (4) is arranged on one side of the chassis (1), the buffer soil turning structure (4) includes a plurality of soil turning shovels (414), the soil turning shovels (414) are arc-shaped and inwardly curved; The discharge mixing structure (5) is arranged on the top of the chassis (1), the discharge mixing structure (5) includes a driving spiral discharge rod (513) and a stirring rod (522); The soil pressing and cleaning structure (6) is arranged on the top of the chassis (1) on one side of the discharge mixing structure (5), the soil pressing and cleaning structure (6) includes a U-shaped frame (61) and a soil pressing roller (63), the outer surface of the U-shaped frame (61) is fixedly connected with the outer surface of the top of the chassis (1); The control cabinet (7) is fixedly connected with the top of the U-shaped frame (61).

2. The bentonite sand barrier laying device according to claim 1, wherein: The buffer soil turning structure (4) further includes a rectangular clamping frame (41) fixedly connected to one side of the outer surface of the chassis (1), the inner wall of the rectangular clamping frame (41) is clamped with a rectangular clamping block (42), the inner wall of the top and bottom of the rectangular clamping frame (41) is provided with a first insertion hole (43), the inner wall of the rectangular clamping block (42) is provided with a second insertion hole (44), the inner wall of the first insertion hole (43) and the second insertion hole (44) is provided with a threaded insertion rod (45), the top end of the threaded insertion rod (45) is threadedly connected with a fixing nut (46).

3. The bentonite sand barrier laying device according to claim 2, wherein: One side of the outer surface of the rectangular clamping block (42) is fixedly connected with a first fixing rod (47), one end of the first fixing rod (47) is slidably connected with a first sliding cylinder (48), one side of the outer surface of the first sliding cylinder (48) is fixedly connected with a U-shaped plate (410), the outer surface of the first fixing rod (47) is sleeved with a first spring (49), both ends of the first spring (49) are fixedly connected with the outer surface of the first sliding cylinder (48) and the rectangular clamping block (42).

4. The bentonite sand barrier laying device according to claim 3, wherein: The inner wall of the U-shaped plate (410) is rotatably connected between the two sides of the first rotating rod (411), the outer surface of the first rotating rod (411) is fixedly connected with the rotating block (412), the outer surface of the rotating block (412) is fixedly connected with the rectangular connecting plate (413), one side of the outer surface of the rectangular connecting plate (413) is fixedly connected with the outer surface of the soil turning shovel (414), one end of the first rotating rod (411) penetrates through the U-shaped plate (410) and is fixedly connected with the operation circular block (415), the inner wall of the operation circular block (415) is threadedly connected with the first threaded clamping rod (416), and the inner wall of the U-shaped plate (410) is provided with four first threaded clamping holes (417) arranged at equal intervals in a circle.

5. The bentonite sand barrier laying device according to claim 1, wherein: The discharge mixing structure (5) further comprises a U-shaped frame (51) fixedly connected to the top of the outer surface of the chassis (1), the outer surface of the U-shaped frame (51) is fixedly connected with the bentonite placing frame (52), the bentonite placing frame (52) is composed of a rectangular frame at the top and a rectangular funnel frame at the bottom, the top of the bentonite placing frame (52) is provided with a cover plate (53), one side of the cover plate (53) is fixedly connected with an L-shaped plate (55), the inner wall of the L-shaped plate (55) is threadedly connected with a second threaded clamping rod (56), and the two sides of the bentonite placing frame (52) are provided with second threaded clamping holes (54).

6. The bentonite sand barrier laying device according to claim 5, wherein: The outer surface of the cover plate (53) is fixedly connected with a rectangular frame (57) at the bottom, the top of the cover plate (53) is fixedly connected with a first motor (58), the output end of the first motor (58) is fixedly connected with a driving rod (59), the bottom end of the driving rod (59) penetrates through the rectangular frame (57) and is rotatably connected with the inner wall of the rectangular frame (57), the outer surface of the driving rod (59) is fixedly connected with a driving gear (511), the bottom of the cover plate (53) is rotatably connected with two driven rods (510), the bottom end of the driven rod (510) penetrates through the rectangular frame (57) and is rotatably connected with the inner wall of the rectangular frame (57), the outer surface of the driven rod (510) is fixedly connected with a driven gear (512), the driving gear (511) and the two driven gears (512) are rotatably connected, and the driving gear (511) and the driven gears (512) are arranged in the rectangular frame (57).

7. The bentonite sand barrier laying device according to claim 6, wherein: The bottom end of the driving rod (59) is fixedly connected with the top end of the driving spiral discharging rod (513), the bottom end of the driven rod (510) is fixedly connected with the driven spiral discharging rod (514), three discharging grooves (515) are arranged at the connection position of the bentonite placing frame (52) and the U-shaped frame (51), a discharging cylinder (516) is fixedly connected below the connection position of the bentonite placing frame (52) and the U-shaped frame (51), and the two driven spiral discharging rods (514) and the driving spiral discharging rod (513) are arranged in the three discharging grooves (515) and the discharging cylinder (516) respectively.

8. The bentonite sand barrier laying device according to claim 7, characterized in that: The bottom end of the driving spiral discharging rod (513) and the driven spiral discharging rod (514) is fixedly connected with a fixed cylinder (517), the inner wall of the bottom end of the fixed cylinder (517) is slidably connected with a sliding cylinder rod (518), the inner wall of one side of the fixed cylinder (517) is threadedly connected with a threaded extrusion rod (519), two threaded extrusion holes (520) are arranged on one side of the sliding cylinder rod (518), the bottom end of the sliding cylinder rod (518) is fixedly connected with a connecting circular block (521), the outer surface of the connecting circular block (521) is fixedly connected with a stirring rod (522), and the outer surface of the stirring rod (522) is fixedly connected with a circular convex rod (523).

9. The bentonite sand barrier laying device according to claim 1, characterized in that: The soil pressing and cleaning structure (6) further comprises a rotating shaft (62) rotatably arranged on the inner wall of the chassis (1), the outer surface of the rotating shaft (62) is fixedly connected with the inner wall of the soil pressing roller (63), the outer surface of the rotating shaft (62) is fixedly connected with a first gear (64), one side of the U-shaped frame (61) is fixedly provided with a second motor (65), the output end of the second motor (65) is fixedly connected with an auxiliary rod (66), one end of the auxiliary rod (66) is fixedly connected with a second gear (67), and the first gear (64) and the second gear (67) are in meshing connection.

10. The bentonite sand barrier laying device according to claim 1, characterized in that: The outer surface of the U-shaped frame (61) is fixedly connected with a second fixed rod (68), the bottom end of the second fixed rod (68) is slidably inserted with a second sliding cylinder (69), the outer surface of the second sliding cylinder (69) is fixedly connected with a cleaning plate (611) at the bottom, the outer surface of the second fixed rod (68) is sleeved with a second spring (610), and the two ends of the second spring (610) are fixedly connected with the outer surfaces of the U-shaped frame (61) and the second sliding cylinder (69) respectively.

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