Microbial liquid spraying device for curing loess slope

Abstract

The invention belongs to the technical field of loess solidification, and provides a microbial liquid spraying device for solidifying a loess slope, which comprises a vehicle body, the position adjusting assembly comprises a supporting plate hinged to the vehicle body, an angle adjusting piece used for adjusting the inclination angle of the supporting plate is arranged between the supporting plate and the vehicle body, a movable seat is slidably connected to the supporting plate, a height adjusting piece is arranged between the movable seat and the supporting plate, and one end of a swing rod is hinged to the movable seat; an angle rapid compensation mechanism is arranged between the swing rod and the moving seat, a plurality of spray heads are arranged on the swing rod, and a driving piece used for adjusting the spraying direction of the spray heads is arranged on the swing rod. The device can adapt to complex and changeable terrains of loess slopes, the shaking amount of the spray heads is reduced when the whole device shakes, and the spraying uniformity is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of loess solidification, and particularly relates to a microbial liquid spraying device for solidifying loess slopes. Background Art

[0002] Studying the protection and treatment of loess slopes is of great significance for preventing soil erosion and geological disasters on the Loess Plateau. At present, the loess slope protection technologies can be roughly divided into engineering protection technologies, vegetation slope protection technologies, soil improvement, curing agent reinforcement technologies, agricultural technologies, etc. Such as anti-slide piles, retaining walls, plaster protection, grouted stone masonry, concrete anchoring, tree planting and grass sowing, spraying grass seeds, adding modifiers and curing agents, changing flood irrigation to micro-sprinkler irrigation, etc. Among them, spraying biological bacterial liquid on the loess slope, and the biological bacterial liquid achieves the solidification of the loess slope by increasing soil cohesion, improving soil structure, enhancing soil fertility, promoting plant growth, and forming a biological film, which has played an important role and achieved good results in the Loess Plateau region.

[0003] Spraying microbial bacterial liquid manually has low efficiency and is prone to uneven spraying, resulting in local over-application or under-application. Although the existing spraying devices can spray the bacterial liquid onto the slope efficiently, due to the complex and changeable terrain of the loess slope, the spraying device will frequently shake during walking, causing the nozzle to shake accordingly, and it cannot well cover the spraying range, and there is still a problem of local over-application or under-application. Summary of the Invention

[0004] The purpose of the present invention is to provide a microbial liquid spraying device for solidifying loess slopes to solve the above problems, achieve the purpose of adapting to the complex and changeable terrain of the loess slope, and reduce the shaking amount at the nozzle when the whole device shakes, and improve the spraying uniformity.

[0005] To achieve the above purpose, the present invention provides the following solution: A microbial liquid spraying device for solidifying loess slopes, comprising:

[0006] A vehicle body;

[0007] A position adjustment assembly, including a support plate hinged to the vehicle body, an angle adjustment member for adjusting the inclination angle of the support plate is arranged between the support plate and the vehicle body, a moving seat is slidably connected to the support plate, a height adjustment member is arranged between the moving seat and the support plate, one end of a swing rod is hinged to the moving seat, an angle rapid compensation mechanism is arranged between the swing rod and the moving seat, a plurality of nozzles are arranged on the swing rod, and a driving member for adjusting the spraying direction of the nozzles is arranged on the swing rod.

[0008] Preferably, the axis direction of the hinge shaft of the support plate is arranged parallel to the traveling direction of the vehicle body.

[0009] Preferably, the angle adjusting member includes a semi-gear, the semi-gear is fixedly connected to the bottom of the support plate, and the axis of the semi-gear coincides with the axis of the hinge shaft of the support plate. A fourth motor is fixedly connected inside the vehicle body, and a first gear is fixedly sleeved on the output shaft of the fourth motor. The first gear meshes with the semi-gear.

[0010] Preferably, a position locking member is further provided between the vehicle body and the semi-gear. The position locking member includes a telescopic groove fixedly connected inside the vehicle body. A limit pin is slidably connected in the telescopic groove. A spring abuts between the limit pin and the bottom of the telescopic groove. An electromagnet is fixedly connected to the bottom of the telescopic groove. The electromagnet is arranged corresponding to the limit pin. When the limit pin extends out of the telescopic groove, it is clamped with the teeth of the semi-gear.

[0011] Preferably, a swing seat is hinged to the side of the moving seat away from the support plate. The swing rod is fixedly connected to the swing seat. The driving member is arranged between the swing seat and the swing rod.

[0012] Preferably, the angle rapid compensation mechanism includes a hoist fixedly connected to the top of the moving seat. A first motor for driving the hoist to operate is arranged between the hoist and the moving seat. A pulling rope is wound around the hoist. The free end of the pulling rope is fixedly connected to the swing rod.

[0013] Preferably, a plurality of rotating seats are rotatably connected to the bottom of the swing rod. A plurality of nozzles are respectively fixedly connected to the bottoms of the plurality of rotating seats. An included angle is provided between the spraying direction of the nozzle and the axis direction of the rotating seat. The driving member drives the rotating seat to rotate a certain angle.

[0014] Preferably, the driving member includes a push-pull rod. The push-pull rod is slidably connected in the swing rod along the extending direction of the swing rod. A rack is fixedly connected to one side wall of the push-pull rod. A second gear is coaxially fixedly connected to the end of the rotating seat away from the nozzle. The rack meshes with the second gear. A push-pull mechanism for reciprocating the push-pull rod is arranged inside the moving seat.

[0015] Preferably, the push-pull mechanism includes a third motor fixedly connected inside the moving seat. A turntable is fixedly sleeved on the output end of the third motor. One end of a connecting rod is hinged to the edge of the turntable. The other end of the connecting rod is hinged to the end of the push-pull rod close to the moving seat.

[0016] Preferably, a liquid supply assembly is further provided. The liquid supply assembly includes a bacterial liquid tank fixedly connected to the vehicle body. The liquid outlet of the bacterial liquid tank is communicated with the liquid inlet end of a liquid pump. The liquid outlet end of the liquid pump is communicated with a main liquid outlet pipe. The liquid inlet ends of a plurality of the spray heads are respectively communicated with liquid outlet branch pipes. The plurality of liquid outlet branch pipes are respectively communicated with the main liquid outlet pipe. Valves are respectively communicated with the plurality of liquid outlet branch pipes.

[0017] Compared with the prior art, the present invention has the following advantages and technical effects: The main function of the angle adjusting member is to adjust the inclination angle of the swing rod by adjusting the inclination angle of the support plate so that it is in a parallel state with the loess slope; the main function of the angle rapid compensation mechanism is that when the vehicle body tilts towards the slope, the swing rod can be quickly pulled up to prevent the swing rod from getting too close to the slope, and when the vehicle body tilts away from the slope, the swing rod can be quickly lowered to prevent the swing rod from getting too far away from the slope; the main function of the driving member is to drive the spray head to rotate and spray at the same time, increasing the coverage area of the sprayed bacterial liquid. Overall, when the vehicle body tilts, the spraying device of the present invention can quickly pull the swing rod in the direction opposite to the tilting direction of the vehicle body through the angle rapid compensation mechanism, compensate for the change in the position of the spray head driven by the swing of the vehicle body, reduce the influence of the shaking of the vehicle body on the shaking of the spray head position, can well adapt to the complex and changeable terrain of the loess slope, and make the microbial bacterial liquid evenly sprayed on the loess slope to ensure the effect of solidifying the loess by the microbial bacterial liquid. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the front view of the spraying device of the present invention;

[0020] Figure 2 It is the left view of the spraying device of the present invention;

[0021] Figure 3 It is Figure 2 the partial enlarged view of A in

[0022] Figure 4 It is Figure 2 the partial enlarged view of B in

[0023] Figure 5 It is the schematic diagram of the driving member of the present invention;

[0024] Figure 6 It is the schematic diagram of the connection between the spray head and the liquid pump of the present invention;

[0025] Among them, 1. vehicle body; 2. bacterial liquid tank; 3. support plate; 4. liquid pump; 5. first motor; 6. lead screw; 7. second motor; 8. slider; 9. chute; 10. winch; 11. pulling rope; 12. moving seat; 13. swinging seat; 14. third motor; 15. swing rod; 16. spray head; 17. half gear; 18. fourth motor; 19. first gear; 20. turntable; 21. connecting rod; 22. push-pull rod; 23. rack; 24. second gear; 25. rotating seat; 26. limit pin; 27. telescopic groove; 28. spring; 29. electromagnet; 30. valve; 31. main liquid outlet pipe; 32. liquid outlet branch pipe. Detailed implementation manners

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0028] Referring to Figures 1 - 6 , the present invention provides a microbial bacterial liquid spraying device for solidifying loess slopes, including:

[0029] Vehicle body 1;

[0030] A position adjustment assembly, including a support plate 3 hinged to the vehicle body 1. An angle adjustment member for adjusting the inclination angle of the support plate 3 is provided between the support plate 3 and the vehicle body 1. A moving seat 12 is slidably connected to the support plate 3. A height adjustment member is provided between the moving seat 12 and the support plate 3. One end of a swing rod 15 is hinged to the moving seat 12. An angle quick compensation mechanism is provided between the swing rod 15 and the moving seat 12. A plurality of spray heads 16 are provided on the swing rod 15. A driving member for adjusting the spraying direction of the spray heads 16 is provided on the swing rod 15.

[0031] The main function of the angle adjustment member is to adjust the inclination angle of the swing rod 15 by adjusting the inclination angle of the support plate 3 so that it is parallel to the loess slope; the main function of the height adjustment member is to adjust the height of the swing rod 15 relative to the vehicle body 1 so as to adapt to the slope structures of different terrains; the main function of the angle quick compensation mechanism is that when the vehicle body 1 tilts towards the slope, the swing rod 15 can be quickly pulled up to prevent the swing rod 15 from getting too close to the slope, and when the vehicle body 1 tilts away from the slope, the swing rod 15 can be quickly lowered to prevent the swing rod 15 from getting too far away from the slope; the main function of the driving member is to drive the nozzle 16 to rotate and spray simultaneously, increasing the coverage area of the sprayed bacterial liquid. Overall, the spraying device of the present invention can quickly pull the swing rod in the direction opposite to the tilting direction of the vehicle body through the angle quick compensation mechanism when the vehicle body tilts, compensate for the change in the position of the nozzle driven by the swing of the vehicle body, reduce the influence of the vehicle body shaking on the shaking of the nozzle position, can well adapt to the complex and changeable terrain of the loess slope, and evenly spray the microbial bacterial liquid onto the loess slope to ensure the effect of solidifying the loess by the microbial bacterial liquid.

[0032] In a further optimized solution, a control unit is also provided inside the vehicle body 1, and the control unit is electrically connected to the angle adjustment member, the height adjustment member, the angle quick compensation mechanism, and the driving member.

[0033] In a further optimized solution, the axis direction of the hinge shaft of the support plate 3 is arranged parallel to the traveling direction of the vehicle body 1.

[0034] In a further optimized solution, the angle adjustment member includes a semi-gear 17, the semi-gear 17 is fixedly connected to the bottom of the support plate 3, and the axis of the semi-gear 17 coincides with the axis of the hinge shaft of the support plate 3. A fourth motor 18 is fixedly connected inside the vehicle body 1, and a first gear 19 is fixedly sleeved on the output shaft of the fourth motor 18, and the first gear 19 meshes with the semi-gear 17.

[0035] As Figure 2 and Figure 4 shown, when it is necessary to tilt the support plate 3 to the right, by controlling the fourth motor 18 to rotate a certain angle, the fourth motor 18 drives the semi-gear 17 to deflect a certain angle to the left through the first gear 19, thereby realizing the rightward tilt of the support plate 3. Similarly, when it is necessary to tilt the support plate 3 to the left, controlling the fourth motor 18 to rotate in the reverse direction by a certain angle is sufficient.

[0036] In a further optimized solution, a position locking member is also provided between the vehicle body 1 and the semi-gear 17. The position locking member includes a telescopic groove 27 fixedly connected inside the vehicle body 1. A limit pin 26 is slidably connected inside the telescopic groove 27. A spring 28 is abutted between the limit pin 26 and the bottom of the telescopic groove 27. An electromagnet 29 is fixedly connected to the bottom of the telescopic groove 27. The electromagnet 29 is arranged corresponding to the limit pin 26. When the limit pin 26 extends out of the telescopic groove 27, it is clamped with the teeth of the semi-gear 17.

[0037] For a further optimized solution, the limit pin 26 is made of iron material.

[0038] As Figure 4 shown, during the spraying process, to ensure that the support plate 3 does not swing with the swaying of the vehicle body 1, the limit pin 26 can extend out of the telescopic groove 27 under the elastic force of the spring 28. The end of the limit pin 26 is provided with an inclined surface and can be clamped between two adjacent teeth of the half gear 17, and the rotation of the half gear 17 is restricted to prevent the support plate 3 from swinging.

[0039] When the angle of the support plate 3 needs to be adjusted, the electromagnet 29 is energized to attract the limit pin 26, so that the limit pin 26 retracts into the telescopic groove 27, releasing the half gear 17, and then the adjustment can be achieved through the fourth motor 18.

[0040] For a further optimized solution, a swing seat 13 is hinged to the side of the moving seat 12 away from the support plate 3. The swing rod 15 is fixedly connected to the swing seat 13, and the driving member is arranged between the swing seat 13 and the swing rod 15.

[0041] For a further optimized solution, the angle rapid compensation mechanism includes a hoist 10 fixedly connected to the top of the moving seat 12. A first motor 5 for driving the hoist 10 to operate is arranged between the hoist 10 and the moving seat 12. A pull rope 11 is wound around the hoist 10, and the free end of the pull rope 11 is fixedly connected to the swing seat 13.

[0042] As Figure 2 shown, when the vehicle body 1 tilts to the left, the swing rod 15 will tilt in the direction close to the slope with the vehicle body 1. At this time, the first motor 5 drives the hoist 10 to rotate, winds the pull rope 11, and lifts the swing rod 15. Since the hoist 10 only needs to pull the swing rod 15 to move and the load is relatively light, the angle compensation of the swing rod 15 can be quickly carried out to avoid the swing rod 15 getting too close to the slope and reduce the swaying amount of the swing rod 15. Similarly, when the vehicle body 1 tilts to the right, the first motor 5 rotates in the reverse direction and releases the pull rope 11.

[0043] For a further optimized solution, an angle sensor (not shown in the figure) is arranged inside the vehicle body 1 to monitor the swaying amount of the vehicle body 1 in the left and right directions. The angle sensor transmits the monitored data to the control unit, and the control unit controls the operation of the first motor 5 to quickly adjust the angle of the swing rod 15.

[0044] For a further optimized solution, the free end of the pull rope 11 can be fixedly connected to the end of the swing rod 15 away from the swing seat 13 or the middle of the swing rod 15 or a position close to the swing seat 13.

[0045] For a further optimized solution, several rotating seats 25 are rotatably connected to the bottom of the swing rod 15, several spray nozzles 16 are respectively fixedly connected to the bottoms of the several rotating seats 25, and an included angle is provided between the spraying direction of the spray nozzle 16 and the axial direction of the rotating seat 25, and a driving member drives the rotating seat 25 to rotate by a certain angle.

[0046] As Figure 3 shown, when the rotating seat 25 rotates, it can drive the spray nozzle 16 to rotate around its axis, increasing the spraying area below the spray nozzle 16.

[0047] For a further optimized solution, the driving member includes a push-pull rod 22, the push-pull rod 22 is slidably connected in the swing rod 15 along the extending direction of the swing rod 15, a rack 23 is fixedly connected to one side wall of the push-pull rod 22, a second gear 24 is coaxially fixedly connected to the end of the rotating seat 25 far from the spray nozzle 16, the rack 23 meshes with the second gear 24, and a push-pull mechanism for reciprocating the push-pull rod 22 is arranged in the moving seat 12.

[0048] For a further optimized solution, the push-pull mechanism includes a third motor 14 fixedly connected in the moving seat 12, a turntable 20 is fixedly sleeved on the output end of the third motor 14, one end of a connecting rod 21 is hinged to the edge of the turntable 20, and the other end of the connecting rod 21 is hinged to the end of the push-pull rod 22 close to the moving seat 12.

[0049] As Figure 2 、 Figure 3 and Figure 4 shown, during the spraying process, the third motor 14 rotates to drive the turntable 20 to rotate, the turntable 20 makes the push-pull rod 22 reciprocate in the swing rod 15 through the connecting rod 21, drives the rack 23 to move linearly back and forth through the reciprocating swing of the push-pull rod 22, and drives the second gear 24 to rotate through meshing with the second gear 24, thereby driving the rotating seat 25 to rotate.

[0050] The distance between the hinged joint of the connecting rod 21 and the turntable 20 from the axis of the turntable 20 and the radius of the second gear 24 are designed to ensure that when the push-pull rod 22 reciprocates once, the second gear 24 can rotate one full circle in the positive and negative directions respectively.

[0051] For a further optimized solution, the height adjusting member includes a chute 9 vertically opened on the side wall of the support plate 3, a slider 8 is slidably connected in the chute 9, the moving seat 12 is fixedly connected to the slider 8, a lead screw 6 is also vertically rotatably connected in the chute 9, the lead screw 6 passes through the slider 8 and is in transmission connection with the slider 8, and one end of the lead screw 6 is in transmission connection with a second motor 7.

[0052] As Figure 2 shown, the second motor 7 drives the lead screw 6 to rotate, and through the screw thread transmission between the lead screw 6 and the slider 8, the slider 8 can be driven to move in the chute 9, thereby driving the moving seat 12 to move up and down.

[0053] For a further optimized solution, a liquid supply assembly is also provided. The liquid supply assembly includes a bacterial liquid tank 2 fixedly connected to the vehicle body 1. The liquid outlet of the bacterial liquid tank 2 is communicated with the liquid inlet end of a liquid pump 4. The liquid outlet end of the liquid pump 4 is communicated with a main liquid outlet pipe 31. The liquid inlet ends of a number of nozzles 16 are respectively communicated with liquid outlet branch pipes 32. A number of liquid outlet branch pipes 32 are respectively communicated with the main liquid outlet pipe 31. Valves 30 are respectively communicated with a number of liquid outlet branch pipes 32.

[0054] As Figure 1 and Figure 6 shown, the liquid pump 4 pumps the microbial bacterial liquid in the bacterial liquid tank 2 through the main liquid outlet pipe 31 into each liquid outlet branch pipe 32, and then pumps the bacterial liquid into the nozzles 16 through the valves 30 and sprays it out from the nozzles 16. According to the length of the loess slope, the opening quantity of the valves 30 can be controlled to avoid waste of the bacterial liquid.

[0055] For a further optimized solution, the main liquid outlet pipe 31 and the liquid outlet branch pipes 32 are both of a flexible pipe structure to avoid movement interference with the rotation of the nozzles 16.

[0056] For a further optimized solution, the vehicle body 1 adopts a crawler-type vehicle body to improve the adaptability of the spraying device to complex road conditions.

[0057] The working process of this embodiment is as follows:

[0058] According to the angle of the loess slope, the second motor 7 and the fourth motor 18 are controlled by the control unit to adjust the height of the moving seat 12 and the inclination angle of the support plate 3, so that the swing rod 15 is parallel to the slope surface to the greatest extent and has a proper distance from the slope surface. Then, the liquid pump 4 and the third motor 14 are started, and at the same time, the vehicle body 1 is started to move along the slope, and a number of nozzles 16 respectively rotate back and forth to spray the microbial bacterial liquid. When the vehicle body 1 shakes due to encountering a potholed road surface, the angle sensor transmits the monitored shaking amount of the vehicle body 1 to the control unit, and the control unit controls the first motor 5 to operate, and the swing rod 15 swings in the opposite direction to the vehicle body 1 through the pull rope 11, so as to avoid the distance between the swing rod 15 and the slope being too large or too small, ensure the uniformity of the bacterial liquid spraying, and help improve the solidification effect on the loess slope.

[0059] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0060] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the spirit of the present invention's design, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A microbial liquid spraying device for solidifying loess slopes, characterized in that, Comprising: Vehicle body (1); A position adjustment assembly, including a support plate (3) hinged to the vehicle body (1), an angle adjustment member for adjusting the inclination angle of the support plate (3) is provided between the support plate (3) and the vehicle body (1), a moving seat (12) is slidably connected to the support plate (3), a height adjustment member is provided between the moving seat (12) and the support plate (3), one end of a swing rod (15) is hinged to the moving seat (12), an angle quick compensation mechanism is provided between the swing rod (15) and the moving seat (12), a plurality of spray nozzles (16) are provided on the swing rod (15), and a driving member for adjusting the spraying direction of the spray nozzles (16) is provided on the swing rod (15).

2. The microbial liquid spraying device for solidifying loess slopes according to claim 1, characterized in that: The axis direction of the hinge axis of the support plate (3) is arranged parallel to the traveling direction of the vehicle body (1).

3. The microbial liquid spraying device for solidifying loess slopes according to claim 1, characterized in that: The angle adjustment member includes a semi-gear (17), the semi-gear (17) is fixedly connected to the bottom of the support plate (3), and the axis of the semi-gear (17) coincides with the axis of the hinge axis of the support plate (3). A fourth motor (18) is fixedly connected inside the vehicle body (1), a first gear (19) is fixedly sleeved on the output shaft of the fourth motor (18), and the first gear (19) meshes with the semi-gear (17).

4. A microbial liquid spraying device for solidifying loess slopes according to claim 3, characterized in that: A position locking member is further provided between the vehicle body (1) and the semi-gear (17). The position locking member includes a telescopic groove (27) fixedly connected inside the vehicle body (1), a limit pin (26) is slidably connected inside the telescopic groove (27), a spring (28) abuts between the limit pin (26) and the bottom of the telescopic groove (27), an electromagnet (29) is fixedly connected to the bottom of the telescopic groove (27), the electromagnet (29) is arranged corresponding to the limit pin (26), and when the limit pin (26) extends out of the telescopic groove (27), it is clamped with the teeth of the semi-gear (17).

5. A microbial liquid spraying device for solidifying loess slopes according to claim 1, characterized in that: A swing seat (13) is hinged to the side of the moving seat (12) away from the support plate (3), the swing rod (15) is fixedly connected to the swing seat (13), and the driving member is arranged between the swing seat (13) and the swing rod (15).

6. The microbial liquid spraying device for solidifying loess slopes according to claim 5, characterized in that: The angle quick compensation mechanism includes a hoist (10) fixedly connected to the top of the moving seat (12), a first motor (5) for driving the hoist (10) to operate is provided between the hoist (10) and the moving seat (12), a pull rope (11) is wound around the hoist (10), and the free end of the pull rope (11) is fixedly connected to the swing rod (15).

7. A microbial inoculum spraying device for solidifying loess slopes according to claim 5, characterized in that: A plurality of rotating seats (25) are rotatably connected to the bottom of the swing rod (15), a plurality of the spray nozzles (16) are respectively fixedly connected to the bottoms of the plurality of rotating seats (25), and an included angle is provided between the spraying direction of the spray nozzles (16) and the axis direction of the rotating seats (25). The driving member drives the rotating seats (25) to rotate a certain angle.

8. The microbial liquid spraying device for solidifying loess slopes according to claim 7, characterized in that: The driving member includes a push-pull rod (22), the push-pull rod (22) is slidably connected in the swing rod (15) along the extending direction of the swing rod (15), a rack (23) is fixedly connected to one side wall of the push-pull rod (22), a second gear (24) is coaxially and fixedly connected to the end of the rotary seat (25) away from the spray head (16), the rack (23) meshes with the second gear (24), and a push-pull mechanism for reciprocating the push-pull rod (22) is arranged in the moving seat (12).

9. A microbial liquid spraying device for solidifying loess slopes according to claim 8, characterized in that: The push-pull mechanism includes a third motor (14) fixedly connected in the moving seat (12), a turntable (20) is fixedly sleeved on the output end of the third motor (14), one end of a connecting rod (21) is hinged to the edge of the turntable (20), and the other end of the connecting rod (21) is hinged to the end of the push-pull rod (22) close to the moving seat (12).

10. The microbial liquid spraying device for solidifying loess slopes according to claim 1, characterized in that: A liquid supply assembly is further provided. The liquid supply assembly includes a bacterial liquid tank (2) fixedly connected to the vehicle body (1), a liquid inlet of a liquid pump (4) is communicated with a liquid outlet of the bacterial liquid tank (2), a liquid outlet end of the liquid pump (4) is communicated with a main liquid outlet pipe (31), liquid inlet ends of a plurality of the spray heads (16) are respectively communicated with liquid outlet branch pipes (32), the plurality of liquid outlet branch pipes (32) are respectively communicated with the main liquid outlet pipe (31), and valves (30) are respectively communicated with the plurality of liquid outlet branch pipes (32).

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