Novel anti-subsidence saline-alkali soil preparation robot

Abstract

The invention discloses a novel anti-subsidence saline-alkali soil preparation robot which aims at solving the problems that an existing paddy field soil preparation machine damages a paddy field hard bottom layer, is large in dead weight, is prone to subsidence and the like and comprises a ship-shaped vehicle body, a power device, a harrowing mechanism, a deep scarification mechanism, a supporting mechanism and other assemblies. The ship-shaped vehicle body is a base body of the equipment, the grounding specific pressure is remarkably reduced by increasing the contact area, the chassis matched with the ship-shaped vehicle body and the working suite of the ship-shaped vehicle body are designed, and subsidence is avoided. The power device is located on the lower portion of the ship-shaped vehicle body, the bottom plate is hollowed out, the strength of the vehicle is guaranteed while the self weight of the vehicle is reduced, and a harrowing wheel in the harrowing mechanism is installed on a harrowing wheel shaft. Due to the design, the problems of sinking, slipping and the like of a traditional wheel type machine in paddy field operation are solved, the soil preparation efficiency and the operation quality are improved, and reliable technical support is provided for saline-alkali soil improvement and stable and high rice yield.

Description

Technical Field

[0001] The present invention belongs to the technical field of agricultural machinery, and more specifically, relates to a novel land preparation robot. Background Art

[0002] Paddy field land preparation is an important part of rice planting, and it is of great significance to improve the yield and quality of rice. The purpose of land preparation is to create a good soil environment for the development of rice roots through various farming measures, including land leveling, soil drying, etc., to ensure that rice can take root quickly after transplanting, tiller early, and have a well-developed root system, thus laying the foundation for stable and high yield of rice. At present, most of the wheeled tractors used in paddy fields in my country are mainly dryland operation type or tractors mainly for both dryland and water and dryland operation, which are partially improved by replacing paddy field tires. These improved models have many problems in the adaptability and reliability of paddy field operations, such as the general reflection of users that the whole machine is heavy and the ground pressure is large; the tractor has a large damage to the hard bottom layer of the paddy field when operating in the paddy field, and cannot adapt to the muddy field with low bearing pressure, especially when operating on soda saline-alkali land, and has defects such as easy sinking and slipping. Therefore, it is of great significance to invent a new type of land preparation robot. Summary of the invention

[0003] The technical problem to be solved by the present invention is that the existing technology has problems such as heavy deadweight and easy sinking of the land leveling machinery, and provides a new type of land leveling robot.

[0004] A novel anti-subsidence saline-alkali land preparation robot comprises a boat-shaped body, a power device, a harrowing mechanism, a deep loosening mechanism and a supporting mechanism.

[0005] The boat-shaped body is the base of the novel anti-sinking saline-alkali land preparation robot. The power device is located at the lower part of the boat-shaped body and is fixed to the boat-shaped body by welding. The harrowing wheel in the harrowing mechanism is installed on the harrowing wheel shaft, fixed by a fixing sleeve, and connected to the motor. The deep loosening wheel frames on both sides of the deep loosening mechanism are fixed to the front support plate by bolts. The support wheel frame on the support mechanism is fixed to the boat-shaped body by welding.

[0006] The boat-shaped body is a casting with a length of 1500 mm and a thickness of 4 to 5 mm. The boat-shaped body includes a hood, a weight-reducing window, a chassis, a rear bottom groove, a front support plate, a front support plate hole, and a front bottom groove;

[0007] The hood is located on the upper part of the chassis and is fixed to the chassis by welding; the side of the hood includes two weight-reducing windows to reduce its weight and is chamfered;

[0008] The weight-reducing window is located on the side of the hood and is chamfered;

[0009] The chassis is the base of the vehicle body, and the chassis is fixed on the vehicle cover by welding. Two grooves are provided at the lower part of the chassis, namely the rear bottom groove and the front bottom groove;

[0010] The rear bottom groove is located at the bottom of the boat-shaped body and is obtained by cutting the chassis with a tool to extract power and reduce the overall weight;

[0011] The front support plate is located at the front of the boat-shaped body, connected to the two sides of the chassis by welding, and is used to place the power supply and control system. There are front support plate holes on it, which are used to be bolted to the deep loosening wheel frame;

[0012] The four front support plate holes are located on both sides of the front support plate and are used for bolt connection with the deep loosening wheel frame;

[0013] The front bottom groove is located at the bottom of the boat-shaped body, is obtained by cutting the chassis with a tool, and is used to fix the deep loosening mechanism.

[0014] The power unit is 750 mm long, 750 mm wide and 3 mm thick, and is a forged part, comprising a power unit base, two sets of weight-reducing grooves, two fixing sleeves, two motors and four fixing sleeve connection holes;

[0015] The power device base is the main body of the power device, located at the rear end of the chassis, and its four corners relative to the radial direction of the rake wheel are tangent to the chassis curved surface and are connected to the chassis by welding;

[0016] The weight-reducing grooves are located at the front and rear sides of the power device base relative to the radial direction of the rake wheel, and are chamfered after the grooves are cut to reduce the weight of the vehicle body and accelerate the heat dissipation of the vehicle body.

[0017] The two fixing sleeves are located on the left and right sides of the power device base relative to the axial direction of the harrowing wheel, and are fixed to the power device base through fixing bolts through the fixing sleeve connection holes to fix the harrowing mechanism;

[0018] The two electric motors are located in the middle of the power device base relative to the axial direction of the rake wheel, and are used to provide power and control the steering;

[0019] The fixing sleeve connection holes are located on both sides of the power device base relative to the axial direction of the harrow wheel, and are used to fix the fixing sleeve by bolts.

[0020] The harrowing mechanism is a new type of harrowing mechanism for a saline-alkali land preparation robot that prevents subsidence, and includes a harrowing wheel and a harrowing wheel shaft. The harrowing wheel shaft transmits torque to the harrowing wheel through a transmission groove.

[0021] The harrow wheel is a walking mechanism of the harrow mechanism, including a harrow wheel hub, a harrow wheel frame, a harrow wheel surface, and a transmission groove;

[0022] The harrow wheel hub is the base of the harrow mechanism, used to support the entire harrow mechanism, and is connected to the harrow wheel shaft through a transmission groove to transmit power and drive the machine forward;

[0023] The harrow wheel frame and the harrow wheel hub are matched by welding;

[0024] The harrow wheel surface is the main working base surface, used for land leveling work, and is matched with the harrow wheel frame by welding;

[0025] The transmission groove is connected to the harrow wheel shaft to transmit the power of the motor;

[0026] The raking wheel shaft is a transmission mechanism of the raking mechanism, and includes a wheel shaft hole, a positioning nut, a transmission rod, and a positioning bolt;

[0027] The wheel axle holes are located at the left and right ends of the transmission rod and are used to fix the positioning bolts to prevent the raking wheel hub from axial slippage;

[0028] The positioning nut is a GB / T41-20001 hexagonal nut;

[0029] The transmission rod is a hexagonal prism to improve the torque transmission efficiency;

[0030] The positioning bolt is a GB / T5781-2000 hexagonal head bolt;

[0031] The subsoiling mechanism is located at the bottom of the boat-shaped body, and is bolted to the front support plate through the front bottom groove, and includes a subsoiling wheel body, a subsoiling wheel axle, 2 fixing nuts, 2 subsoiling wheel frames and 4 subsoiling wheel frame holes;

[0032] The subsoil wheel body is the base of the subsoil mechanism, and has front thorns on its surface to break the soil surface, and the central through hole is in clearance with the subsoil wheel shaft;

[0033] The subsoiler axle is the main axle of the subsoiler mechanism, and has threads at both ends that mesh with fixing nuts to prevent slippage;

[0034] The fixing nut is meshed with the subsoiler axle;

[0035] The subsoil wheel frame is used to fix the subsoil mechanism, and has a pair of subsoil wheel frame holes on its upper part, which are connected to the front support plate at the upper end by bolts through the subsoil wheel frame holes;

[0036] The deep loosening wheel frame hole is a threaded hole.

[0037] The supporting mechanism is used to maintain the balance of the boat-shaped body, and is welded to the bottom of the boat-shaped body, and includes two supporting wheel frames, a supporting wheel body, a supporting wheel nut, and a supporting wheel bolt;

[0038] The supporting wheel frame is used to fix the supporting mechanism, which is located at the frontmost part of the boat-shaped body and is matched with the outer surface of the chassis by welding;

[0039] The supporting wheel body is the main body of the supporting mechanism, ensuring the stability of the machine's travel;

[0040] The support wheel nut is used to prevent the support wheel bolt from slipping;

[0041] The supporting wheel bolts serve as the base axis for the rotation of the supporting mechanism.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] 1. A new type of land preparation machinery suitable for saline-alkali paddy fields.

[0044] 2. The present invention has automatic driving technologies such as GPS positioning, intelligent control, and path planning.

[0045] 3. The boat-shaped chassis structure is adopted to significantly reduce the ground contact pressure by increasing the contact area, effectively disperse the mechanical load, and design the chassis and its working kit to match it to avoid sinking.

[0046] 4. The bottom plate is hollowed out to reduce its weight while ensuring its strength. The rectangular weight-reducing grooves on the hood reduce the weight of the upper structure and lower the center of gravity, which reduces the risk of rollover compared to traditional models.

[0047] 5. The harrow wheel adopts a hexagonal hole shaft to enhance its transmission efficiency. The double-bolt axial locking structure can withstand greater dynamic loads without displacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is the general assembly isometric drawing of the present invention;

[0049] Figure 2 It is a bottom-up axonometric view of the general assembly diagram of the present invention;

[0050] Figure 3 It is an axonometric view of the boat-shaped body of the present invention;

[0051] Figure 4 It is an axonometric view of the vehicle hood of the present invention;

[0052] Figure 5 A top view of the chassis of the present invention;

[0053] Figure 6 A bottom-up isometric view of the chassis of the present invention;

[0054] Figure 7 It is an axonometric diagram of the power device of the present invention;

[0055] Figure 8It is an exploded diagram of the power device of the present invention;

[0056] Fig. 9 It is an axonometric view of the harrowing mechanism of the present invention;

[0057] Fig.10 It is an exploded view of the harrowing mechanism of the present invention;

[0058] Fig.11 It is an axonometric diagram of the deep loosening mechanism of the present invention;

[0059] Fig.12 It is an exploded diagram of the deep loosening mechanism of the present invention;

[0060] Fig.13 It is an axonometric diagram of the support mechanism of the present invention;

[0061] Fig.14 An exploded view of the support mechanism of the present invention;

[0062] In the figure: A, boat-shaped body; B, power unit; C, raking mechanism; D, deep loosening mechanism; E, supporting mechanism; 1, hood; 2, weight-reducing window; 3, chassis; 4, rear bottom groove; 5, front support plate; 6, front support plate hole; 7, front bottom groove; 8, power unit base; 9, weight-reducing groove; 10, fixing sleeve; 11, motor; 12, fixing sleeve connecting hole; 13, raking wheel; 14, raking wheel axle; 15, raking wheel hub; 16, raking wheel frame; 17, raking wheel surface; 18, transmission groove; 19, wheel axle hole; 20, positioning nut; 21, transmission rod; 22, positioning bolt; 23, deep loosening wheel body; 24, deep loosening wheel axle; 25, fixing nut; 26, deep loosening wheel frame; 27, deep loosening wheel frame hole; 28, supporting wheel frame; 29, supporting wheel body; 30, supporting wheel nut; 31, supporting wheel bolt. DETAILED DESCRIPTION

[0063] See also Figures 1 to 3 A new type of anti-subsidence saline-alkali land preparation robot includes a ship-shaped body (A), a power device (B), a harrowing mechanism (C), a deep loosening mechanism (D) and a supporting mechanism (E).

[0064] The boat-shaped body (A) is the base of a novel anti-sinking saline-alkali land leveling robot. The power device (B) is located at the lower part of the boat-shaped body (A) and is fixed to the boat-shaped body (A) by welding. The harrowing wheel (13) in the harrowing mechanism (C) is installed on the harrowing wheel shaft (14), fixed by a fixing sleeve (10), and connected to the motor (11). The deep plowing wheel frames (26) on both sides of the deep plowing mechanism (D) are fixed to the front support plate (5) by bolts. The support wheel frame (28) on the support mechanism (E) is fixed to the boat-shaped body (A) by welding.

[0065] See also Figures 4 to 6The boat-shaped body (A) is a casting with a length of 1500 mm and a thickness of 4 to 5 mm. The boat-shaped body (A) includes a hood (1), a weight-reducing window (2), a chassis (3), a rear bottom groove (4), a front support plate (5), a front support plate hole (6), and a front bottom groove (7);

[0066] The vehicle cover (1) is located on the upper part of the chassis (3) and is fixed to the chassis (3) by welding; the side of the vehicle cover (1) includes two weight-reducing windows (2) to reduce its weight, and is chamfered;

[0067] The weight-reducing window (2) is located on the side of the vehicle cover (1) and is chamfered;

[0068] The chassis (3) is the base of the vehicle body. The chassis (3) is fixed to the vehicle cover (1) by welding. Two grooves are provided at the lower part of the chassis (3), namely the rear bottom groove (4) and the front bottom groove (7).

[0069] The rear bottom tank (4) is located at the bottom of the boat-shaped body (A), obtained by cutting the chassis (3) with a tool, and is used to extract power and reduce the overall weight;

[0070] The front support plate (5) is located at the front of the boat-shaped body (A), connected to the two sides of the chassis (3) by welding, and is used to place the power supply and control system. There is a front support plate hole (6) on it, which is used to be bolted to the deep loosening wheel frame (26);

[0071] The four front support plate holes (6) are located on both sides of the front support plate (5) and are used for bolting with the deep loosening wheel frame (26);

[0072] The front bottom groove (7) is located at the bottom of the boat-shaped body (A), is obtained by cutting the chassis (3) with a tool, and is used to fix the deep loosening mechanism (D).

[0073] See also Figures 7 and 8 The power device (B) is a forged part with a length of 750 mm, a width of 750 mm and a thickness of 3 mm, and includes a power device base (8), two sets of weight-reducing grooves (9), two fixing sleeves (10), two motors (11) and four fixing sleeve connection holes (12);

[0074] The power device base (8) is the main body of the power device, located at the rear end of the chassis (3), and its four radial corners relative to the raking wheel (13) are tangent to the curved surface of the chassis (3), and are connected to the chassis (3) by welding;

[0075] The weight-reducing grooves (9) are located at the front and rear sides of the power device base (8) in the radial direction relative to the rake wheel (13), and are chamfered after being grooved to reduce the deadweight of the vehicle body and accelerate the heat dissipation of the vehicle body.

[0076] The two fixing sleeves (10) are located on the left and right sides of the power device base (8) relative to the axial direction of the raking wheel (13), and are fixed to the power device base (8) through the fixing sleeve connecting holes (12) by fixing bolts to fix the raking mechanism (C);

[0077] The two electric motors (11) are located in the middle of the power device base (8) relative to the axial direction of the raking wheel (13) to provide power and control the steering;

[0078] The fixing sleeve connection hole (12) is located on both sides of the power device base (8) relative to the axial direction of the raking wheel (13) and is used to fix the fixing sleeve (10) by bolts.

[0079] See also Fig. 9 The harrowing mechanism (C) is a new type of harrowing mechanism of a saline-alkali land preparation robot for preventing subsidence, comprising a harrowing wheel (13) and a harrowing wheel shaft (14). The harrowing wheel shaft (14) transmits torque to the harrowing wheel (13) through a transmission groove (18);

[0080] See also Fig.10 The raking wheel (13) is a walking mechanism of the raking mechanism (C), comprising a raking wheel hub (15), a raking wheel frame (16), a raking wheel surface (17), and a transmission groove (18);

[0081] The harrow wheel hub (15) is the base of the harrow mechanism (C), used to support the entire harrow mechanism (C), and is connected to the harrow wheel shaft (14) through a transmission groove (18) to transmit power and drive the machine forward;

[0082] The harrow wheel frame (16) and the harrow wheel hub (15) are matched by welding;

[0083] The harrow wheel surface (17) is the main working base surface for land leveling work and is matched with the harrow wheel frame (16) by welding;

[0084] The transmission groove (18) is connected to the harrow wheel shaft (14) to transmit the power of the motor (11);

[0085] See also Fig.10 The raking wheel shaft (14) is a transmission mechanism of the raking mechanism (C), comprising a wheel shaft hole (19), a positioning nut (20), a transmission rod (21), and a positioning bolt (22);

[0086] The wheel axle hole (19) is located at the left and right ends of the transmission rod (21), and is used to fix the positioning bolt (22) to prevent the raking wheel hub (15) from axial slippage;

[0087] The positioning nut (20) is a GB / T41-20001 hexagonal nut;

[0088] The transmission rod (21) is in the shape of a hexagonal prism to improve the torque transmission efficiency;

[0089] The positioning bolt (22) is a GB / T5781-2000 hexagonal head bolt;

[0090] See also Figure 11 to Figure 12 The sub-loosening mechanism (D) is located at the bottom of the boat-shaped body (A), and is bolted to the front support plate (5) through the front bottom groove (7), and includes a sub-loosening wheel body (23), a sub-loosening wheel shaft (24), two fixing nuts (25), two sub-loosening wheel frames (26) and four sub-loosening wheel frame holes (27);

[0091] The subsoil wheel body (23) is the base of the subsoil mechanism (D), has front thorns on its surface to break the soil surface, and a central through hole is clearance-matched with the subsoil wheel shaft (24);

[0092] The subsoiler axle (24) is the main axle of the subsoiler mechanism (D), and has threads at both ends thereof that mesh with the fixing nuts (25) to prevent slippage;

[0093] The fixing nut (25) is meshed with the subsoiler axle (24);

[0094] The subsoiler frame (26) is used to fix the subsoiler mechanism (D), and has a pair of subsoiler frame holes (27) on its upper portion, and is bolted to the front support plate (5) at the upper end through the subsoiler frame holes (27);

[0095] The deep loosening wheel frame hole (27) is a threaded hole.

[0096] See also Figure 13 to Figure 14 The supporting mechanism (E) is used to maintain the balance of the boat-shaped body and is welded to the bottom of the boat-shaped body (A). It includes two supporting wheel frames (28), a supporting wheel body (29), a supporting wheel nut (30), and a supporting wheel bolt (31);

[0097] The supporting wheel frame (28) is used to fix the supporting mechanism (E), which is located at the frontmost part of the boat-shaped body and is matched with the outer surface of the chassis (3) by welding;

[0098] The supporting wheel body (29) is the main body of the supporting mechanism (E) and ensures the stability of the machine's travel;

[0099] The support wheel nut (30) is used to prevent the support wheel bolt (31) from slipping;

[0100] The supporting wheel bolt (31) serves as a base axis for the rotation of the supporting mechanism (E).

[0101] Working principle of the present invention:

[0102] See also Figure 1 to Figure 2 The working principle of the novel anti-subsidence saline-alkali land leveling robot of the present invention is as follows: The power is connected by a motor (11) on one side, driving the entire harrowing wheel shaft (14) to rotate, thereby driving the harrowing mechanism (C) to move and complete the land leveling operation.

[0103] See also Figures 3 to 8 The streamlined shape of the boat-shaped chassis of the boat-shaped body (A) can reduce the resistance when moving in the mud, avoiding the aggravated sinking caused by the accumulation of mud in the traditional wheeled design. The power unit (B) adopts a high-strength steel hollow design to reduce the dead weight as much as possible while ensuring the structural strength. The rectangular weight-reducing groove of the hood (1) reduces the weight of the upper structure as a whole, lowers the center of gravity, and reduces the risk of rollover compared with traditional models.

[0104] See also Figures 9 and 10 The transmission groove (18) and the transmission rod (21) on the raking mechanism (C) adopt a non-keyway hexagonal transmission interface to increase the contact area, and cooperate with the fixed sleeve (10) for positioning to achieve higher torque transmission efficiency and longer service life. The double-bolt axial locking structure can withstand greater dynamic loads without displacement. And it is more convenient to disassemble and assemble than the traditional structure.

[0105] See also Figures 11 to 14 The deep tillage mechanism (D) at the front of the boat-shaped body rotates passively, and the front spikes on its surface can break the soil surface to complete the deep tillage operation. The support mechanism (E) is responsible for maintaining the overall balance of the vehicle body to ensure the smooth operation of the vehicle.

Claims

1. A new type of anti-subsidence saline-alkali land preparation robot, characterized in that: It includes a boat-shaped body (A), a power device (B), a harrowing mechanism (C), a deep loosening mechanism (D) and a supporting mechanism (E); The boat-shaped body (A) is the base of the novel anti-sinking saline-alkali land leveling robot. The power device (B) is located at the lower part of the boat-shaped body (A) and is fixed to the boat-shaped body (A) by welding. The harrowing wheel (13) in the harrowing mechanism (C) is installed on the harrowing wheel shaft (14), fixed by a fixing sleeve (10), and connected to the motor (11). The deep plowing wheel frames (26) on both sides of the deep plowing mechanism (D) are fixed to the front support plate (5) by bolts, and the support wheel frame (28) on the support mechanism (E) is fixed to the boat-shaped body (A) by welding. The boat-shaped body (A) is a casting with a length of 1500 mm and a thickness of 4 to 5 mm. The boat-shaped body (A) comprises a hood (1), a weight-reducing window (2), a chassis (3), a rear bottom groove (4), a front support plate (5), a front support plate hole (6), and a front bottom groove (7); The vehicle cover (1) is located on the upper part of the chassis (3) and is fixed to the chassis (3) by welding. The side of the vehicle cover (1) includes two weight-reducing windows (2); The weight-reducing window (2) is located on the side of the vehicle cover (1); The chassis (3) is the base of the boat-shaped vehicle body. The chassis (3) is fixed to the vehicle cover (1) by welding. Two grooves are provided at the lower part of the chassis (3), namely the rear bottom groove (4) and the front bottom groove (7). The rear bottom groove (4) is located at the bottom of the boat-shaped body (A) and is obtained by cutting the chassis (3) with a tool; The front support plate (5) is located at the front of the boat-shaped body (A), connected to the two side surfaces of the chassis (3) by welding, and has a front support plate hole (6) for bolting with the deep loosening wheel frame (26); The four front support plate holes (6) are located on both sides of the front support plate (5) and are used for bolting with the deep loosening wheel frame (26); The front bottom groove (7) is located at the bottom of the boat-shaped body (A), is obtained by cutting the chassis (3) with a tool, and is used to fix the deep loosening mechanism (D).

2. The novel anti-subsidence saline-alkali land leveling robot according to claim 1 is characterized in that: The power device (B) is a forged part with a length of 750 mm, a width of 750 mm and a thickness of 3 mm, and comprises a power device base (8), two sets of weight-reducing grooves (9), two fixing sleeves (10), two motors (11) and four fixing sleeve connection holes (12); The power device base (8) is the main body of the power device, located at the rear end of the chassis (3), and its four radial corners relative to the raking wheel (13) are tangent to the curved surface of the chassis (3), and are connected to the chassis (3) by welding; The weight-reducing groove (9) is located at the front and rear sides of the power device base (8) in the radial direction relative to the raking wheel (13); The two fixing sleeves (10) are located on the left and right sides of the power device base (8) relative to the axial direction of the raking wheel (13), and are fixed to the power device base (8) through the fixing sleeve connecting holes (12) by fixing bolts to fix the raking mechanism (C); The two electric motors (11) are located in the middle of the power device base (8) in the axial direction relative to the raking wheel (13); The fixing sleeve connection hole (12) is located on both sides of the power device base (8) relative to the axial direction of the raking wheel (13) and is used to fix the fixing sleeve (10) by bolts.

3. The novel anti-subsidence saline-alkali land leveling robot according to claim 1 is characterized in that: The harrowing mechanism (C) is a new type of harrowing mechanism of a saline-alkali land preparation robot for preventing subsidence, comprising a harrowing wheel (13) and a harrowing wheel shaft (14), wherein the harrowing wheel shaft (14) transmits torque to the harrowing wheel (13) through a transmission groove (18); The raking wheel (13) is a walking mechanism of the raking mechanism (C), comprising a raking wheel hub (15), a raking wheel frame (16), a raking wheel surface (17) and a transmission groove (18); The harrow wheel hub (15) is the base of the harrow mechanism (C), used to support the entire harrow mechanism (C), and is connected to the harrow wheel shaft (14) through a transmission groove (18); The harrow wheel frame (16) and the harrow wheel hub (15) are matched by welding; The harrow wheel surface (17) is the main working base surface and is matched with the harrow wheel frame (16) by welding; The transmission groove (18) is connected to the harrow wheel shaft (14) to transmit the power of the motor (11).

4. The raking mechanism (C) according to claim 3, characterized in that: The raking wheel shaft (14) is a transmission mechanism of the raking mechanism (C), comprising a wheel shaft hole (19), a positioning nut (20), a transmission rod (21) and a positioning bolt (22); The wheel axle holes (19) are located at the left and right ends of the transmission rod (21) and are used to fix the positioning bolts (22); The positioning nut (20) is a GB / T41-20001 hexagonal nut; The transmission rod (21) is in the shape of a hexagonal prism; The positioning bolt (22) is a GB / T5781-2000 hexagonal head bolt.

5. The novel anti-subsidence saline-alkali land leveling robot according to claim 1 is characterized in that: The subsoil mechanism (D) is located at the bottom of the boat-shaped body (A), and is bolted to the front support plate (5) through the front bottom groove (7), and comprises a subsoil wheel body (23), a subsoil wheel shaft (24), two fixing nuts (25), two subsoil wheel frames (26) and four subsoil wheel frame holes (27); The deep tillage wheel body (23) is the base of the deep tillage mechanism (D), and the central through hole is clearance-matched with the deep tillage wheel shaft (24); The subsoiler axle (24) is the main axle of the subsoiler mechanism (D), and has threads at both ends thereof that mesh with the fixing nuts (25); The fixing nut (25) is meshed with the subsoiler axle (24); The subsoiler frame (26) is used to fix the subsoiler mechanism (D), and has a pair of subsoiler frame holes (27) on its upper portion, and is bolted to the front support plate (5) at the upper end through the subsoiler frame holes (27); The deep loosening wheel frame hole (27) is a threaded hole.

6. The novel anti-subsidence saline-alkali land leveling robot according to claim 1 is characterized in that: The supporting mechanism (E) is welded to the bottom of the boat-shaped body (A), and comprises two supporting wheel frames (28), a supporting wheel body (29), a supporting wheel nut (30) and a supporting wheel bolt (31); The supporting wheel frame (28) is used to fix the supporting mechanism (E), which is located at the frontmost part of the boat-shaped body and is matched with the outer surface of the chassis (3) by welding; The supporting wheel body (29) is the main body of the supporting mechanism (E); The support wheel nut (30) cooperates with the support wheel bolt (31); The supporting wheel bolt (31) serves as a base axis for the rotation of the supporting mechanism (E).

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