Crawler belt self-propelled ridging film laminating machine

Abstract

The utility model discloses a crawler belt self-propelled ridging film laminating machine which comprises a ridging housing support which walks under traction of a traction device, spline housings arranged at the two ends of an output shaft of a rear transmission case are installed on the ridging housing support, inner tool aprons are installed on the spline housings in pairs, and included angles are formed between the inner tool aprons. A plurality of inner tool aprons are arranged on the ridging housing support, an inner blade is arranged on each inner tool apron, a tool shaft pipe is further arranged between the ridging housing support and each spline sleeve, a plurality of outer tool aprons which are arranged at intervals in a staggered mode are wound on each tool shaft pipe, and an outer blade is arranged on each outer tool apron; a film pressing roller for providing a mulching film and a soil covering and film pressing mechanism capable of flattening the mulching film and covering the two sides of the mulching film with soil are further installed on the rear side of the ridging housing support; an adjusting mechanism is further arranged between the traction device and the ridging housing support. By arranging the soil covering and film pressing mechanism and other structures, it can be ensured that the soil surface on a furrow after ridging is flat, the film is flattened during film mulching, the ridging height can be stably adjusted, and the ridging and film mulching efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a crawler self-propelled ridging and film covering machine. Background Art

[0002] At present, with the development of agricultural mechanization in my country, general farmland operations can almost be replaced by machinery. Under normal circumstances, ridge-forming operations are required after field plowing of crops. However, due to the low annual precipitation, large evaporation and serious soil drought in some areas, in order to prevent sudden changes in soil temperature, a layer of plastic mulch is often laid on the ridges to ensure constant soil temperature, which is conducive to the growth of crops. Therefore, the crawler self-propelled ridging and film covering machine has gradually developed and is favored by farmers. It integrates ridging and film covering, and is used for ridging and film covering of farmland. It has become a very important mechanical equipment in modern agricultural production, plays an important role in agricultural production, improves the planting efficiency and quality of farmland, and provides a better environment for the growth of crops.

[0003] However, the existing crawler self-propelled ridging and film-covering machines have simple functions and usually cannot adjust the ridging height. At present, there are ridging and film-covering machines that can adjust the height, such as 202022341324.5, a height adjustment device for a ridging and film-covering machine, which uses a rotating rocker to drive the screw rod to rotate, and the screw rod rotates to drive the sleeve upward, the sleeve is connected to the fixed component, and the fixed component is connected to the ridging roller, thereby driving the ridging roller to rise and adjust the ridging height, which can be applied to more types of crop ridging and film covering; but the adjustment method of this scheme is not stable enough when adjusting the height. Due to the harsh working environment, the method of rotating the rocker to drive the screw rod is prone to dust adhesion, etc., and the adjustment is not flexible enough. In addition, the soil surface after ridging is uneven, and the ground film cannot be flattened, resulting in uneven ground film when covering the soil surface. The gap between the uneven soil surface and the ground film is large, which will affect the growth of crops. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a crawler self-propelled ridging and film covering machine, which can ensure that the soil surface on the ridge ditch is flat after ridging and the film is flattened during film covering, and can smoothly adjust the ridging height to improve the ridging and film covering efficiency.

[0005] In order to solve the above technical problems, the utility model includes a ridging cover shell bracket that moves under the traction of a traction device, and its structural feature is that the ridging cover shell bracket is equipped with spline sleeves arranged at both ends of the output shaft of the rear transmission box, and the spline sleeves are equipped with inner knife seats arranged in pairs and with an angle between them, and each of the inner knife seats is equipped with an inner blade, and a knife shaft tube is also installed between the ridging cover shell bracket and each spline sleeve respectively, and each of the knife shaft tubes is wound with a plurality of spaced and staggered outer knife seats, and each of the outer knife seats is equipped with an outer blade, and the inner blades are staggered with the adjacent outer blades; a film pressing roller for providing ground film and a soil covering and pressing mechanism that can flatten the ground film and cover the soil on both sides of the ground film are also installed on the rear side of the ridging cover shell bracket; an adjustment mechanism that can adjust the height of the ridging cover shell bracket is also arranged between the traction device and the ridging cover shell bracket.

[0006] After adopting the above structure, first, the height of the ridging cover bracket is adjusted through the adjustment mechanism as needed to adjust the distance between the inner blade and the outer blade and the ground; then, the traction device drives the ridging cover bracket forward, and the rear transmission box on the ridging cover bracket works, and its output shaft drives the two spline sleeves and the knife shaft tube to rotate at the same time, and the inner blade and the outer blade on it break the soil and plow the ground, so as to realize ridge formation after rotary plowing of the ground, and ensure that the ridge ditch is flat after ridging; at the same time, the film pressing roller provides ground film, and under the action of the soil covering film pressing mechanism, the ground film is covered on the ridge ditch, and the soil is covered on both sides of the laid ground film. The utility model can ensure that the soil surface on the ridge ditch is flat after ridging and the film is flattened during film covering, and can smoothly adjust the ridging height to improve the ridging and film covering efficiency.

[0007] Preferably, the traction device includes a frame, a support frame is provided at the bottom of the frame, and walking mechanisms are provided on both sides of the support frame, each of the walking mechanisms includes a crawler frame installed on the corresponding support frame, a guide wheel is installed at the front end of the crawler frame, a driving wheel driven by a driving motor is installed at the upper end, an upper supporting wheel is provided between the guide wheel and the driving wheel, and the guide wheel, the upper supporting wheel and the driving wheel are arranged upwardly and tilted in sequence; a plurality of lower supporting wheels arranged at intervals are also installed at the lower end of the crawler frame, and crawlers are wound around the guide wheel, the lower supporting wheel, the driving wheel and the upper supporting wheel. Through the arrangement of this structure, when the driving motor is working, it drives the driving wheel thereon to work, and the crawler moves forward with it, and the guide wheel, the upper supporting wheel and the lower supporting wheel rotate accordingly to guide the walking direction and support the crawler, so as to ensure the stable walking of the walking mechanism.

[0008] Preferably, the plurality of lower support wheels extend in a horizontal direction, and the lower support wheel at the front end is arranged on the lower right side of the guide wheel; the guide wheel is located at the front to form a pointed structure to reduce resistance and facilitate smooth progress.

[0009] Preferably, a transmission mechanism is also installed on the frame, and the transmission mechanism includes a front transmission box installed on the frame, the front output shaft of the front transmission box is connected to the clutch, the rear output shaft is connected to the front universal joint outer fork, the front universal joint outer fork is connected to the sliding universal joint fork through the front cross shaft, the sliding universal joint fork is connected in the tube of the tube universal joint fork, and the rear end of the tube universal joint fork is connected to the rear universal joint outer fork through the rear cross shaft. When the front transmission box is working, while ensuring the smooth operation of the driver, the power is transmitted to the front universal joint outer fork, and the power is transmitted to the sliding universal joint fork through the front cross shaft. The sliding universal joint fork can rotate around the front cross shaft to reduce the transmitted torque and ensure smooth transmission of power; the setting of the sliding universal joint fork and the rear universal joint outer fork can adjust the position between the two to meet the work needs.

[0010] Preferably, the rear end of the frame is connected to two parallel lower suspension arms and the upper end is equipped with a crank arm seat, the lower suspension arm is connected to the front end of the ridging cover shell bracket through a pin shaft, the ridging cover shell bracket is connected to a hanging upper pull rod through an upper pull rod bracket, and the hanging upper pull rod is connected to the crank arm seat; the ridging cover shell bracket and the frame are connected in a three-point connection manner to ensure a stable connection.

[0011] Preferably, there is an included angle between the two inner blade seats and between the two outer blade seats, and the included angle is set to be an obtuse angle; so as to ensure that when breaking the soil, the impact force is reduced, the blade is protected, and it is easy to enter the soil.

[0012] Preferably, the soil covering and film pressing mechanisms are arranged in pairs, and each of the soil covering and film pressing mechanisms includes two spaced-apart support arms installed on a ridging cover shell support, and film pressing wheels for pressing the ground film onto the ridge furrow and soil covering knives for covering the ground film with soil are installed at the ends of the support arms; the two soil covering knives correspond to each other and the rear ends are inclined toward each other; so as to cover the soil on the ground film.

[0013] Preferably, a ground film support is installed on the ridging cover support, and a ground film roller is installed between the two ground film supports; a roller adjustment frame is also installed on the ridging cover support, and a film pressing roller located between two film pressing wheels is installed on the roller adjustment frame, and film pressing rods bent downward are arranged on both sides of the film pressing roller. The ground film is provided by arranging the ground film roller, and the ground film is flattened by arranging the film pressing roller located between the two film pressing wheels and the film pressing rods bent downward are arranged on both sides of the film pressing roller.

[0014] Preferably, the support arm is provided with a limiting column capable of abutting against the ridging cover shell support, so as to limit the downward movement distance of the support arm.

[0015] Preferably, the adjustment mechanism includes a lifting crank arm shaft installed on the crank arm seat, and the frame is also equipped with a first lifting cylinder that drives the lifting crank arm shaft to rotate. The lifting crank arm shaft is provided with two first lifting crank arms and second lifting crank arms that are spaced apart. The first lifting crank arm is connected to the corresponding lower suspension arm through an adjustment rod, and the second lifting crank arm is connected to the corresponding lower suspension arm through a second lifting cylinder. When adjusting the height of the ridging cover shell bracket, the first lifting cylinder drives the lifting crank arm shaft to rotate forward and upward, and the first lifting crank arm and the second lifting crank arm rotate forward and upward accordingly. The first lifting crank arm drives the adjustment rod to pull the ridging cover shell bracket upward, and at the same time, the second lifting cylinder on the second lifting crank arm works to pull the corresponding lower suspension arm upward to increase its height.

[0016] The utility model adjusts the height of the ridging cover bracket by an adjustment mechanism to adjust the distance between the inner blade and the outer blade and the ground; by arranging a traction device to drive the ridging cover bracket forward, the rear transmission box arranged on the ridging cover bracket works, so that its output shaft drives two spline sleeves and the knife shaft tube to rotate at the same time, and the inner blade and the outer blade thereon break the soil and then plow the ground, so as to realize ridge formation after rotary plowing of the ground, and ensure that the ridge ditch is flat after ridging; by arranging a film pressing roller to continuously provide ground film, the ground film can be covered on the ridge ditch under the action of the soil covering film pressing mechanism, and the soil is covered on both sides of the laid ground film; it is ensured that the soil surface on the ridge ditch is flat after ridging and the film is flattened during film covering, and the ridging height can be adjusted smoothly, thereby improving the ridging and film covering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings that constitute part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0018] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the main view of the utility model;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure from a top view;

[0021] Figure 4 for Figure 3 A schematic diagram of the structure of the right view;

[0022] Figure 5 It is a three-dimensional structural diagram of the traction device and the adjustment mechanism of the utility model;

[0023] Figure 6 for Figure 5 Schematic diagram of the main view structure;

[0024] Figure 7 for Figure 6 The structural diagram of the right view;

[0025] Figure 8 It is a three-dimensional structural schematic diagram of the transmission mechanism of the utility model;

[0026] Fig. 9 for Figure 8 A three-dimensional structural schematic diagram in another direction;

[0027] Fig.10 It is a three-dimensional structural schematic diagram of the ridging device of the utility model;

[0028] Fig.11 for Fig.10 Schematic diagram of the main view structure;

[0029] Fig.12 for Fig.11 Schematic diagram of the structure from a bird's-eye view;

[0030] Fig.13 for Fig.12 Schematic diagram of the structure of AA;

[0031] Fig.14 for Fig.12 Schematic diagram of the structure of BB;

[0032] Fig.15 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;

[0033] Fig.16 for Fig.15 A three-dimensional structural schematic diagram of another direction;

[0034] Fig.17 It is a schematic diagram of the structure of the lifting crank arm shaft, the first lifting crank arm and the second lifting crank arm of the utility model.

[0035] In the figure: 1-traction device, 101-frame, 102-travel mechanism, 1021-track bracket, 1022-guide wheel, 1023-lower support wheel, 1024-driving wheel, 1025-upper support wheel, 1026-track, 103-transmission mechanism, 1031-front transmission box, 1032-sliding universal joint fork, 1033-tube universal joint fork, 1034-rear universal joint outer fork, 2-ridge forming device, 201-ridge forming cover bracket, 202-rear transmission box, 203-spline sleeve, 204-inner knife seat, 205-knife shaft tube, 206-outer Knife holder, 3-film covering device, 301-soil covering and film pressing mechanism, 3011-support arm, 3012-soil covering knife, 3013-film pressing wheel, 302-roller adjustment frame, 303-film pressing roller, 304-film pressing rod, 305-ground film roller, 4-adjustment mechanism, 401-lifting crank arm shaft, 402-first lifting cylinder, 403-first lifting crank arm, 404-second lifting crank arm, 405-adjustment pull rod, 406-second lifting cylinder, 407-suspension upper pull rod, 5-fertilization device, 501-base frame, 502-fertilization box, 5021-fertilizer drop hole. DETAILED DESCRIPTION

[0036] In order to make the technical personnel in this field better understand the present application scheme, the following will be combined with the attached Figure 1-17 , a clear and complete description of the technical solutions in the embodiments of the utility model is given.

[0037] At present, the existing ridging and film covering machines have simple functions and usually cannot adjust the ridging height. Riding and film covering machines that can adjust the height have also appeared, such as 202022341324.5, a height adjustment device for a ridging and film covering machine, which uses a rotating rocker to drive the screw rod to rotate, and the screw rod rotates to drive the sleeve upward, the sleeve is connected to the fixed component, and the fixed component is connected to the ridging roller, thereby driving the ridging roller to rise and adjust the ridging height. It can be applied to more types of crop ridging and film covering; but the adjustment method of this scheme is not stable enough when adjusting the height. Due to the harsh working environment, the method of rotating the rocker to drive the screw rod is prone to dust adhesion, etc., and the adjustment is not flexible enough. In addition, the soil surface after ridging is uneven, and the ground film cannot be flattened, resulting in uneven ground film when covering the soil surface. The gap between the uneven soil surface and the ground film is large, which will affect the growth of crops. In order to solve the above technical problems, a crawler self-propelled ridging and film covering machine is provided, comprising a ridging cover shell bracket which moves under the traction of a traction device, the ridging cover shell bracket is provided with spline sleeves arranged at both ends of the output shaft of the rear transmission box, the spline sleeves are provided with inner knife seats which are arranged in pairs and have an angle between them, each of the inner knife seats is provided with an inner blade, and a knife shaft tube is respectively provided between the ridging cover shell bracket and each spline sleeve, each of the knife shaft tubes is provided with a plurality of outer knife seats which are spaced apart and staggered, each of the outer knife seats is provided with an outer blade, and the inner blades are staggered with the adjacent outer blades; a film pressing roller for providing ground film and a soil covering and film pressing mechanism which can flatten the ground film and cover the ground film with soil on both sides of the ground film are also provided on the rear side of the ridging cover shell bracket; an adjustment mechanism which can adjust the height of the ridging cover shell bracket is also provided between the traction device and the ridging cover shell bracket. After adopting the above structure, first, the height of the ridging cover bracket is adjusted through the adjustment mechanism as needed to adjust the distance between the inner blade and the outer blade and the ground; then, the traction device drives the ridging cover bracket forward, and the rear transmission box on the ridging cover bracket works, and its output shaft drives the two spline sleeves and the knife shaft tube to rotate at the same time, and the inner blade and the outer blade on it break the soil and plow the ground, so as to realize ridge formation after rotary plowing of the ground, and ensure that the ridge ditch is flat after ridging; at the same time, the film pressing roller provides ground film, and under the action of the soil covering film pressing mechanism, the ground film is covered on the ridge ditch, and the soil is covered on both sides of the laid ground film. The utility model can ensure that the soil surface on the ridge ditch is flat after ridging and the film is flattened during film covering, and can smoothly adjust the ridging height to improve the ridging and film covering efficiency.

[0038] An embodiment is now used for detailed description. For the convenience of description, Figure 2 The left and right directions are set as the moving direction of the crawler self-propelled ridging and film covering machine, and the moving direction is horizontal, that is, the left side is the front direction of the machine, and the right side is the rear direction of the machine; Figure 2 The up and down directions are set to the vertical direction, the top is set to the top, and the bottom is set to the bottom; the top of the top view is set to the right, and the bottom is set to the left.

[0039] The crawler self-propelled ridging and film covering machine comprises a traction device 1, the rear end of which is connected to a ridging device 2 through an adjustment mechanism 4, a fertilizer device 5 is installed on the upper part of the ridging device 2, and a film covering device 3 is installed at the rear end. The traction device 1 is used to pull the ridging device 2 and the film covering device 3 to complete the mobile operation, and a crawler or wheeled tractor or other walking machinery can usually be used; preferably, the traction device 1 comprises a frame 101, on which a walking mechanism 102, a transmission mechanism 103, a power mechanism for providing power, and a driving mechanism for providing driver control are installed, which are used to complete the work of the traction device 1, and the power mechanism, the driving mechanism and the operating mechanism are existing technologies and will not be described in detail here. A support frame is provided at the bottom of the frame 101, and the above-mentioned walking mechanisms 102 are arranged on both sides of the support frame. The two walking mechanisms 102 have the same structure. The walking mechanism 102 includes a crawler frame 1021, and a guide wheel 1022 is installed at the front end of the crawler frame 1021. A plurality of lower support wheels 1023 arranged at intervals are installed at the lower end of the crawler frame 1021. The plurality of lower support wheels 1023 extend in a horizontal direction, and the lower support wheel 1023 located at the front end is arranged at the lower right side of the guide wheel 1022. A driving wheel 1024 driven by a driving motor is installed at the upper end of the crawler frame 1021. The guide wheel 1022 An upper support wheel 1025 is installed between the guide wheel 1022, the upper support wheel 1025 and the drive wheel 1024, and the above-mentioned guide wheel 1022, the upper support wheel 1025 and the drive wheel 1024 are arranged to be inclined upward in sequence, and the drive wheel 1024 is located at the highest point; a crawler belt 1026 is wound around the guide wheel 1022, the lower support wheel 1023, the drive wheel 1024 and the upper support wheel 1025; when the drive motor starts to work, the drive wheel 1024 rotates, and the crawler belt 1026 wound around the drive wheel 1024 rotates in the same direction along the upper support wheel 1025, the guide wheel 1022 and the support wheel, so that the traction device 1 is activated, and the ridging device 2 and the film covering device 3 are pulled to move. Furthermore, the track bracket 1021 is set as a left track bracket and a right track bracket, the guide wheel 1022 is set as a left guide wheel and a right guide wheel, the upper support wheel 1025 is set as an upper left support wheel and a right upper support wheel, the upper support wheel 1025 is set as a lower left support wheel and a lower right support wheel, the drive wheel 1024 is set as a left drive wheel and a right drive wheel, the track 1026 is set as a left track and a right track, and the drive motor is set as a left drive motor and a right drive motor.The left crawler bracket and the right crawler bracket are respectively arranged on both sides of the supporting frame, and the left guide wheel is installed at the front end of the left crawler bracket, and a plurality of left lower supporting wheels arranged at intervals are installed at the lower end, and the plurality of left lower supporting wheels extend in the horizontal direction, and the left lower supporting wheel located at the front end is arranged on the right lower side of the left guide wheel, and the left upper supporting wheel is installed between the right guide wheel and the left driving wheel, and the right crawler is wound around the right guide wheel, the right lower supporting wheel, the right driving wheel and the right upper supporting wheel. The transmission mechanism 103 includes a front transmission box 1031 mounted on the frame 101, the front output shaft of the front transmission box 1031 is connected to the clutch, the rear output shaft is connected to the front universal joint outer fork, the front universal joint outer fork is connected to the sliding universal joint fork 1032 through the front cross shaft, the sliding universal joint fork 1032 is connected to the tube of the tube universal joint fork 1033, and the rear end of the tube universal joint fork 1033 is connected to the rear universal joint outer fork 1034 through the rear cross shaft.

[0040] The rear end of the frame 101 is provided with two lower suspension arms arranged in parallel, which are set as a left lower suspension arm and a right lower suspension arm. The above-mentioned ridging device 2 includes a ridging cover bracket 201. The front end of the ridging cover bracket 201 is connected to the left lower suspension arm and the right lower suspension arm through a left pin and a right pin respectively. A rear transmission box 202 is installed on the ridging cover bracket 201. The above-mentioned rear universal joint outer fork 1034 is connected to the rear transmission box 202. Part of the rear transmission box 202 is located below the ridging cover bracket 201. Support plates are provided on the left and right sides of the ridging cover bracket 201. Inner bearing seats are provided on the two support plates. Each inner bearing seat is provided with The outer fulcrum, both ends of the output shaft of the rear transmission box 202 are installed with spline sleeves 203, and the spline sleeves 203 are installed with inner blade seats 204 arranged in pairs, and the inner blade seats 204 are installed with inner blades. A knife shaft tube 205 is installed between the spline sleeves 203 and the corresponding outer fulcrum, and multiple groups of outer blade seats are wound around the knife shaft tube 205, and the multiple groups of outer blade seats extend axially along the knife shaft tube 205. Each group of outer blade seats includes outer blade seats 206 arranged in pairs, and the outer blade seats 206 are installed with outer blades. There is an angle between the two outer blade seats 206, and the angle is set to an obtuse angle, preferably 160°, to facilitate breaking the soil. When working, the output shaft of the rear transmission box 202 rotates, so that the spline sleeves 203 on both sides rotate, the knife shaft tube 205 on the spline sleeve 203 rotates, and the inner blade on the spline sleeve 203 and the outer blade on the knife shaft tube 205 perform rotary tillage on the land. In addition, a protective cover is installed at the rear end of the ridging cover bracket 201 to prevent the soil thrown out by the inner blade and the outer blade from rising. Further, the support plate is configured to have a left support plate and a right support plate, the inner bearing seat is configured to have a left inner bearing seat and a right inner bearing seat, the outer fulcrum is configured to have a left outer fulcrum and a right outer fulcrum, the spline sleeve 203 is configured to have a left spline sleeve and a right spline sleeve, the inner tool holder 204 is configured to have a left inner tool holder and a right inner tool holder, the tool shaft tube 205 is configured to have a left tool shaft tube and a right tool shaft tube, and the outer tool holder 206 is configured to have a left outer tool holder and a right outer tool holder. The left inner bearing seat and the right inner bearing seat are respectively installed on the opposite sides of the left support plate and the right support plate, the left outer fulcrum is installed on the left inner bearing seat, a left knife shaft tube is installed between the left outer fulcrum and the left spline sleeve, a left knife seat arranged in pairs is installed on the outer surface of the left spline sleeve, and a plurality of groups of left outer knife seat groups arranged at intervals and staggered are wound on the outer surface of the left knife shaft tube, each group of left outer knife seat groups includes a left outer knife seat arranged in pairs, a left outer blade is installed on the left outer knife seat, and a clamp is arranged between the two left outer knife seats. Angle, the angle is set to be an obtuse angle, preferably 160°; a right outer fulcrum is installed on the right inner bearing seat, a right tool shaft tube is installed between the right outer fulcrum and the right spline sleeve, right tool seats arranged in pairs are installed on the outer surface of the right spline sleeve, and a plurality of groups of right outer tool seat groups arranged at intervals and staggered are arranged on the outer surface of the right tool shaft tube, each group of right outer tool seat groups includes right outer tool seats arranged in pairs, right outer blades are installed on the right outer tool seats, and an angle is formed between the two right outer tool seats, which is set to be an obtuse angle, preferably 160°.

[0041] The above-mentioned film covering device 3 includes a soil covering and film pressing mechanism 301 installed in pairs on the ridging cover bracket 201, and the soil covering and film pressing mechanism 301 includes two support arms 3011 installed on the ridging cover bracket 201 and arranged at intervals. The support arms 3011 are provided with limit columns that can be supported on the ridging cover bracket 201 to limit the displacement of the support arms 3011 in the vertical direction; each end of the support arm 3011 is installed with a soil covering knife 3012 and a film pressing wheel 3013 located in front of the soil covering knife 3012, and the two soil covering knives 3012 are correspondingly arranged The right ends are tilted toward each other, and two film pressing wheels 3013 are correspondingly arranged. A roller adjustment frame 302 is also installed on the ridging cover frame 201. A film pressing roller 303 located between the two film pressing wheels 3013 is installed on the roller adjustment frame 302, and the film pressing roller 303 is located above the middle between the two cap pressing wheels. Film pressing rods 304 bent downward are arranged on both sides of the film pressing roller 303. Both ends of the ridging cover frame 201 are also installed with ground film supports, and a ground film roller 305 is installed between the two ground film supports, and the ground film roller 305 is located in front of the film pressing roller 303. During operation, the ground film is laid on the land, the film pressing wheel 3013 located below presses on the ground film, the soil covering knife 3012 covers the soil on the ground film, the film pressing rod 304 presses on both sides of the ground film, and the film pressing roller 303 presses on the middle position of the ground film, so that the ground film is unfolded and the film is continuously delivered.

[0042] Furthermore, two arm mounting seats arranged at intervals are provided at the top rear end of the ridging cover shell bracket 201, and the above-mentioned bracket arms 3011 are respectively installed on the corresponding arm mounting seats, and the bracket arms 3011 are set as left bracket arms and right bracket arms, the covering knives 3012 are set as left covering knives and right covering knives, and the film pressing wheels 3013 are set as left film pressing wheels and right film pressing wheels; the left bracket arm is set as a bending plate, and a left wheel limiting frame is provided on the right side of the left bracket arm, and a left limiting column is provided at the bottom of the front section of the left bracket arm, which is used to limit the displacement of the left bracket arm in the vertical direction during operation; the left bracket arm includes a left connecting rod installed on the corresponding left arm mounting seat, and the left limiting column is provided on the left connecting rod, the left connecting rod extends obliquely backward and upward from its front end face, and the end portion is bent backward and upward to form an arc-shaped left connecting bent plate, and a left support rod is obliquely extended backward and downward from the lower end face of the left connecting bent plate, the left support rod is horizontally arranged, and a vertically arranged left knife support is provided at the rear end of the left support rod The left blade support is installed in the left blade support, and the lower end of the left blade support is installed with a left blade shaft, and the left blade shaft is inclined to the right side of the front, and the left blade shaft is provided with a left blade bearing seat through a bearing sleeve, and the left covering knife is installed on the left blade bearing seat; the left blade support mounting cylinder is provided with a left wheel support fixing square tube extending along its axial direction, and the rear end of the left wheel support fixing square tube is provided with a cylindrical left fixing cylinder extending axially in the left and right directions; the left fixing cylinder is provided with a left wheel support fixing seat, and the right end of the left wheel support fixing seat has a vertically arranged cylindrical left bracket mounting cylinder, and the left wheel support is installed in the left bracket mounting cylinder, and the left wheel support is bent from the left bracket mounting cylinder to the upper and forward position and then extends forward and downward to form a semicircular shape, and the lower end of the left wheel support is provided with a left film pressing wheel, which is also provided with a left wheel limiting rod for limiting the left film pressing wheel, and the left wheel limiting rod can be against the left wheel limiting frame to limit the displacement of the left film pressing wheel, and the left film pressing wheel is located in front of the left covering knife.The right bracket arm is configured as a bending plate, a right wheel limiting frame is arranged on the right side of the right bracket arm, and a right limiting column is arranged at the bottom of the front section of the right bracket arm, which is used to limit the displacement of the right bracket arm in the vertical direction when working; the right bracket arm comprises a right connecting rod installed on the corresponding right arm mounting seat, the right limiting column is arranged on the right connecting rod, the right connecting rod extends obliquely upward and rearward from its front end face, and the end portion is bent upward and rearward to form an arc-shaped right connecting bent plate, the lower end face of the right connecting bent plate is obliquely extended with a right supporting rod, the right supporting rod is arranged horizontally, and the rear end of the right supporting rod is provided with a vertically arranged right knife bracket mounting cylinder, the right knife bracket is installed in the right knife bracket mounting cylinder, the lower end of the right knife bracket is installed with a right knife shaft, the right knife shaft is obliquely arranged at the front left side, and the right knife shaft is passed through a bearing sleeve A right knife bearing seat is provided, and a right soil covering knife is installed on the right knife bearing seat; a right wheel bracket fixing square tube extending along its axial direction is provided on the right knife bracket mounting cylinder, and a cylindrical right fixing cylinder extending axially along the left and right directions is provided at the rear end of the right wheel bracket fixing square tube; a right wheel bracket fixing seat is installed in the right fixing cylinder, and the right end of the right wheel bracket fixing seat has a vertically arranged cylindrical right bracket mounting cylinder, and the right wheel bracket is installed in the right bracket mounting cylinder, and the right wheel bracket is bent forward and upward from the right bracket mounting cylinder and then extends forward and downward to form a semicircular shape, and a right film pressing wheel is installed at the lower end of the right wheel bracket

[0043] Furthermore, the roller adjustment frame 302 includes a roller support fixing tube arranged at the top middle part of the ridging cover shell bracket 201, the roller support fixing tube is set to an L-shaped structure, the roller support fixing tube includes a vertical tube arranged vertically on the ridging cover shell bracket 201, a horizontal tube is vertically installed on the top of the vertical tube, a plurality of adjustment holes arranged at intervals in the horizontal direction are opened on the horizontal tube, each adjustment hole is penetrated with a fastener, a roller connecting tube is penetrated in the horizontal tube, a plurality of positioning holes corresponding to the adjustment holes are opened on the roller connecting tube, a positioning tube is vertically arranged at the rear end of the roller connecting tube, and a positioning tube is inside the positioning tube. A roller mounting tube is installed, and a plurality of vertical positioning holes arranged at intervals are opened on the positioning tube, and a vertical fastener is installed in each vertical positioning hole, and a plurality of vertical connecting holes corresponding to the vertical positioning holes are opened on the mounting tube; a roller mounting seat is arranged at the lower end of the roller mounting tube, and roller mounting ear plates are arranged at both ends of the roller mounting seat, and rod limiting cylinders are installed on the outer sides of the two roller mounting ear plates, and the above-mentioned film pressing rods 304 are respectively installed in the two rod limiting cylinders, which are set as the left film pressing rod and the right film pressing rod, and the film pressing roller 303 is sleeved on the left film pressing rod and the right film pressing rod, and the film pressing roller 303 is located between the two roller mounting ear plates. The above-mentioned structure is set up, and the positioning holes can be adjusted to correspond to the corresponding adjustment holes according to needs, and fastened with fasteners, and the vertical positioning holes can be adjusted to correspond to the corresponding connecting holes according to needs, thereby meeting the requirements of adjusting the front, back, left, and right positions of the film pressing roller 303; preferably, the horizontal tube, the roller connecting tube and the positioning tube are all set as square tubes to ensure a stable connection.

[0044] Furthermore, square tubes for fixing mulch supports are installed on both sides of the top surface of the ridging cover shell support 201, which are set as left mulch support fixed square tube and right mulch support fixed square tube and both extend in the left-right direction; the left mulch support fixed square tube is penetrated by the left mulch support, and the left mulch support is set as an L-shaped structure, including a left adjusting tube penetrated by the left mulch support fixed square tube, and a left adjusting piece is installed on the top tube wall of the left mulch support fixed square tube, and the left adjusting piece is set as a fastener such as a screw, and the left adjusting piece is against the left adjusting tube for adjusting It is limited, and a left mounting ear plate is arranged at the end of the left adjusting tube; the right mulch support is installed in the right mulch support fixed square tube, and the right mulch support is arranged in an L-shaped structure, including a right adjusting tube installed in the right mulch support fixed square tube, and a right adjusting member is installed on the top tube wall of the right mulch support fixed square tube, and the right adjusting member is arranged as a fastener such as a screw, and the right adjusting member is pressed against the right adjusting tube to limit it, and a right mounting ear plate is arranged at the end of the right adjusting tube; the mulch roller 305 is installed between the left mounting ear plate and the right mounting ear plate.

[0045] The adjustment mechanism 4 includes a crank arm seat installed at the top of the rear of the frame 101, a lifting crank arm shaft 401 is installed on the crank arm seat, a first lifting cylinder 402 for driving the lifting crank arm shaft 401 to rotate is installed on the frame 101, and two first lifting crank arms 403 and second lifting crank arms 404 arranged at intervals are installed on the lifting crank arm shaft 401, the first lifting crank arm 403 is connected to the corresponding lower suspension arm through an adjustment rod 405, and the second lifting crank arm 404 is connected to the corresponding lower suspension arm through a second lifting cylinder 406. The ridging cover shell bracket 201 is connected to the corresponding lower suspension arm, and the upper suspension rod 407 is connected to the upper pull rod bracket, and the end of the upper suspension rod 407 is connected to the lifting crank arm shaft 401; further, the front end of the ridging cover shell bracket 201 is installed with a suspension frame, and the suspension frame includes two suspension supports installed at intervals at the front end of the ridging cover shell bracket 201, and the suspension supports are set as a first suspension support and a second suspension support. The first suspension support is provided with a left pin and is connected to the left lower suspension arm through the left pin. Then, the second suspension support is equipped with a right pin and is connected to the right lower suspension arm through the right pin; a first tie rod bracket side plate is also installed on the upper part of the first suspension support, and a second tie rod bracket side plate is also installed on the upper part of the second suspension support. The first tie rod bracket side plate and the upper part of the second tie rod bracket side plate are connected to the suspension upper tie rod 407 through an upper pin, and the end of the suspension upper tie rod 407 is connected to the lifting crank arm shaft 401, and the distance between the upper parts of the first tie rod bracket side plate and the second tie rod bracket side plate is smaller than the distance between the lower parts; a bracket side plate tie rod is also installed on the top of the rear transmission box 202, and the end of the bracket side plate tie rod is connected between the middle parts of the first tie rod bracket side plate and the second tie rod bracket side plate through a middle pin; the first tie rod bracket side plate and the second tie rod bracket side plate are respectively connected to the upper ends of the first suspension support and the second suspension support, and the distance between the upper parts of the two is small, and at the same time, the bracket side plate tie rod is connected between the two through the middle pin to form a three-point structure suspension frame to ensure its stability so as to stably support the suspension upper tie rod 407.

[0046] In addition, the surface of the lifting crank arm shaft 401 is provided with two installation sections arranged at intervals, and each installation section is evenly distributed with a plurality of key-shaped teeth arranged at intervals around the circumference for installing the first lifting crank arm 403 and the second lifting crank arm 404; the first lifting crank arm 403 includes a first sleeve mounted on the lifting crank arm shaft 401, the first sleeve is radially connected to the first connecting arm, the first connecting arm is horizontally arranged, and its end portion is inclined and extended toward the left rear side to form a first inclined arm, and the end portion of the first inclined arm extends in the horizontal direction to form a first rod mounting seat, and the end portion of the first rod mounting seat is provided with a first rod mounting hole, and the first rod mounting hole is penetrated by a first rod locating pin, and one end of the adjusting rod 405 is provided with a second rod mounting hole, and the first rod locating pin passes through the first rod mounting hole on the first rod mounting seat and the second rod mounting hole on the adjusting rod 405 in sequence to connect the corresponding first lifting crank arm 403 and The adjusting rod 405 is connected, and the other end of the adjusting rod 405 is connected to the corresponding lower left suspension arm; the second lifting crank arm 404 includes a second sleeve mounted on the lifting crank arm shaft 401, and the second sleeve is radially connected to the second connecting arm, the second connecting arm is horizontally arranged, and its end portion is inclined and extended toward the right rear side to form a second inclined arm, and the end portion of the second inclined arm extends in the horizontal direction to form a second rod mounting seat, and a third rod mounting hole is opened at the end of the second rod mounting seat, and a second rod locating pin is installed in the third rod mounting hole, and the mounting portion of the second lifting cylinder 406 has a fourth cylinder mounting hole, and the second rod locating pin passes through the fourth cylinder mounting hole of the mounting end of the second lifting cylinder 406 and the third rod mounting hole of the second rod mounting seat in sequence to connect the second lifting cylinder 406 with the second lifting crank arm 404, and the piston rod of the second lifting cylinder 406 is connected to the corresponding lower right suspension arm. The above-mentioned first lifting crank arm 403 and second lifting crank arm 404 are set to the same structure, commonly referred to as lifting crank arm, the lifting crank arm includes a sleeve mounted on the lifting crank arm shaft 401, the sleeve is radially connected to a connecting arm, the connecting arm is horizontally arranged, and its end portion is inclined and extended to the rear side to form an inclined arm, and the end portion of the inclined arm extends in a horizontal direction to form a rod mounting seat, and a first mounting hole is opened at the end of the rod mounting seat, and a rod locating pin is passed through the first mounting hole, one end of the adjustment rod 405 is connected to the corresponding lifting crank arm through the rod locating pin, and the other end is connected to the corresponding lower suspension arm; the mounting part of the second lifting cylinder 406 is connected to the corresponding lifting crank arm through the corresponding rod locating pin, and the piston rod is connected to the corresponding lower suspension arm.Three spaced mounting support plates are also provided on the supporting square tube at the rear end of the frame 101, and a corresponding crank arm seat is installed above each mounting support plate to ensure that the lifting crank arm shaft 401 is firmly installed; the three mounting support plates are respectively provided as the first mounting support plate, the second mounting support plate and the third mounting support plate, the first mounting support plate, the second mounting support plate and the third mounting support plate are spaced apart, and the second mounting support plate is located in the middle, and the first mounting support plate and the third mounting support plate are located on both sides of the second mounting support plate; the first crank arm seat is installed on the first mounting support plate , the second crank arm seat is mounted on the second mounting support plate, the third crank arm seat is mounted on the third mounting support plate, the first crank arm seat, the second crank arm seat and the third crank arm seat are all provided with shaft mounting holes and are coaxially arranged, and the lifting crank arm shaft 401 is inserted into the shaft mounting holes of the first crank arm seat, the second crank arm seat and the third crank arm seat; wherein, the second crank arm seat is also provided with two second ear plates facing backward, the second ear plates are provided with pin holes, the pin holes are provided with rod connecting pins, and the end of the suspension upper pull rod 407 is connected to the second ear plates through the rod connecting pins. Two cylinder support plates are also provided on the supporting square tube at the rear end of the frame 101, and the first lifting cylinder 402 is installed on the cylinder support plates through a pin shaft. An outer spacer sleeve sleeved on the lifting crank arm shaft 401 is provided between the first sleeve and the second crank arm seat, and a first top seat and a second top seat sleeved on the lifting crank arm shaft 401 are provided between the second sleeve and the second crank arm seat, and the first lifting cylinder 402 is connected to the first top seat and the second top seat through a pin shaft. When the adjustment mechanism 4 is working, that is, when adjusting the height of the ridging cover shell bracket 201, the first lifting cylinder 402 drives the lifting crank arm shaft 401 to rotate forward, and the first lifting crank arm 403 and the second lifting crank arm 404 rotate forward and upward accordingly, and the first lifting crank arm 403 drives the adjustment rod 405 to pull the ridging cover shell bracket 201 upward; at the same time, the second lifting cylinder 406 on the second lifting crank arm 404 works, and pulls the corresponding lower suspension arm upward to adjust the height of the ridging cover shell bracket 201, so as to adjust the distance between the inner blade and the outer blade and the ground, and adjust the appropriate distance to perform rotary tillage on the land, so as to ensure that the inner blade and the outer blade can successfully break the soil and then plow and ridge, and make the ridge ditch flat after ridging.

[0047] The above-mentioned fertilizing device 5 includes a base frame 501 installed at the front end of the ridging cover shell bracket 201, and a left mounting plate and a right mounting plate are arranged on the left and right sides of the base frame 501. The upper parts of the left mounting plate and the right mounting plate are inclined forward, and a fertilizer box 502 is installed between the upper parts of the left mounting plate and the right mounting plate. The bottom plate of the fertilizer box 502 is set to a V-shaped structure, including a front vertical plate and a rear vertical plate. Two fertilizer drop holes 5021 arranged at intervals are opened at the connection between the front vertical plate and the rear vertical plate, so as to facilitate smooth fertilizer drop and avoid fertilizer accumulation at the bottom; in the vertical direction, the fertilizer drop holes 5021 are arranged corresponding to the ridging cover shell bracket 201, and are arranged on the left and right sides of the input shaft of the reversing box at the front end of the rear transmission box 202, so as to facilitate smooth spreading of fertilizer on the ground.

[0048] During operation, first, the height of the ridging cover shell bracket 201 is adjusted by adjusting the adjustment mechanism 4 to adjust the distance between the inner blade and the outer blade and the ground as needed, that is, when adjusting the height of the ridging cover shell bracket 201, the first lifting cylinder 402 drives the lifting crank arm shaft 401 to rotate forward and upward, and the first lifting crank arm 403 and the second lifting crank arm 404 rotate forward and upward accordingly, and the first lifting crank arm 403 drives the adjustment rod 405 to pull the ridging cover shell bracket 201 upward. At the same time, the second lifting cylinder 406 on the second lifting crank arm 404 works to pull the corresponding lower suspension arm of the ridging cover shell bracket 201 upward to increase its height. Then, the traction device 1 drives the ridging cover shell bracket 201 forward, that is, when the driving motor is working, it drives the driving wheel 1024 thereon to work, and the crawler track 1026 moves forward with it, and the guide wheel 1022, the upper support wheel 1025 and the lower support wheel 1023 rotate accordingly to guide the walking direction and support the crawler track 1026 to ensure the stable walking of the walking mechanism 102 to drive the ridging cover shell bracket forward; at the same time, the rear transmission box 202 on the ridging cover shell bracket 201 works, and its output shaft drives the two spline sleeves 203 and the knife shaft tube 205 to rotate at the same time, and the inner blade and the outer blade thereon break the soil and then plow the ground, so as to realize ridge forming after rotary plowing of the ground, and ensure that the ridge ditch is flat after ridging. Finally, the film pressing roller 303 continuously provides ground film, and under the action of the soil covering and film pressing mechanism 301, the ground film is covered on the ridge, and the soil is covered on both sides of the laid ground film, that is, when the ground film is laid on the ridge, the film pressing wheel 3013 located below presses on the ground film, the soil covering knife 3012 covers the soil on the ground film, the film pressing rod 304 presses on both sides of the ground film, and the film pressing roller 303 presses on the middle position of the ground film, so that the ground film is unfolded and the film is continuously fed.

[0049] The utility model adjusts the height of the ridging cover bracket 201 through the adjustment mechanism 4 as needed, thereby adjusting the distance between the inner blade and the outer blade and the ground; by setting the output shaft of the rear transmission box 202 to drive the two spline sleeves 203 and the knife shaft tube 205 to rotate simultaneously, the inner blade and the outer blade thereon break the soil and then turn the ground, so as to realize ridging after rotary tillage of the ground, and ensure that the ridges are flat after ridging; by setting the film pressing roller 303 to provide ground film, and under the action of the soil covering film pressing mechanism 301, the ground film is covered on the ridge ditch, and the soil is smoothly covered on both sides of the laid ground film; by setting the traction device 1, when the driving motor is working When the driving wheel 1024 is driven to work, the crawler 1026 moves forward with it, and the guide wheel 1022, the upper support wheel 1025 and the lower support wheel 1023 rotate accordingly to guide the walking direction and support the crawler 1026 to ensure the stable walking of the walking mechanism 102; by setting the lower support wheel 1023 on the lower right side of the guide wheel 1022, the guide wheel 1022 is located at the front, forming a pointed structure to reduce resistance and facilitate smooth progress; through the transmission mechanism 103 set on the frame 101, when the front transmission box 1031 is working, it ensures the smooth operation of the driver while transmitting power to the front The universal joint outer fork transmits power to the sliding universal joint fork 1032 through the front cross shaft. The sliding universal joint fork 1032 can rotate around the front cross shaft to reduce the transmitted torque and ensure smooth transmission of power. The setting of the sliding universal joint fork 1032 and the rear universal joint outer fork 1034 can adjust the position between the two to meet the working needs. The ridging cover shell bracket 201 and the frame 101 are connected by three points through two parallel lower suspension arms set at the rear end of the frame 101 and the crank arm seat installed at the upper end, ensuring a stable connection. The angle between the inner knife seat and the outer knife seat 206 is set, and the angle is an obtuse angle. To ensure that when breaking the soil, the impact force is reduced, the blade is protected, and it is easy to enter the soil; by setting a film pressing wheel 3013 and a soil covering knife 3012, and the two soil covering knives 3012 are set correspondingly and the rear ends are inclined toward each other, so as to cover the soil on the ground film; by setting a ground film roller 305, the ground film is provided; by setting a film pressing roller 303 between the two film pressing wheels 3013 and a film pressing rod 304 located on both sides of the film pressing roller 303 and bent downward, the ground film can be smoothly flattened; by setting a limit column on the support arm 3011 that can be against the ridging cover shell support 201, the downward movement distance of the support arm 3011 can be limited;By setting the adjustment mechanism 4, when adjusting the height of the ridging cover bracket 201, the first lifting cylinder 402 drives the lifting crank arm shaft 401 to rotate forward and upward, and the first lifting crank arm 403 and the second lifting crank arm 404 rotate forward and upward accordingly, and the first lifting crank arm 403 drives the adjustment rod 405 to pull the ridging cover bracket 201 upward, and at the same time, the second lifting cylinder 406 on the second lifting crank arm 404 works to pull the corresponding lower suspension arm upward to raise the height of the ridging cover bracket 201. The utility model can ensure that the soil surface on the ridge ditch is flat after ridging and the film is flattened during film covering, and can smoothly adjust the ridging height to improve the ridging and film covering efficiency. ;

[0050] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A crawler self-propelled ridging and film covering machine, comprising a ridging cover support (201) that travels under the traction of a traction device (1), characterized in that: The ridging cover housing bracket (201) is provided with spline sleeves (203) arranged at both ends of the output shaft of the rear transmission box (202); the spline sleeves (203) are provided with inner blade seats (204) arranged in pairs and having an angle between them; each inner blade seat (204) is provided with an inner blade; a blade shaft tube (205) is also provided between the ridging cover housing bracket (201) and each spline sleeve (203); each blade shaft tube (205) is provided with a plurality of spaced and staggered blades. An outer blade holder (206) is arranged on each of the outer blade holders (206), and an outer blade is installed on each of the outer blade holders (206), and the inner blades are arranged in a staggered manner with adjacent outer blades; a film pressing roller (303) for providing a ground film and a soil covering and film pressing mechanism (301) capable of flattening the ground film and covering the ground film with soil are also installed on the rear side of the ridging cover shell bracket (201); an adjustment mechanism (4) capable of adjusting the height of the ridging cover shell bracket (201) is also arranged between the traction device (1) and the ridging cover shell bracket (201).

2. The crawler self-propelled ridging and film covering machine according to claim 1, characterized in that: The traction device (1) comprises a frame (101), a support frame is arranged at the bottom of the frame (101), and walking mechanisms (102) are arranged on both sides of the support frame respectively, and each walking mechanism (102) comprises a crawler frame (1021) mounted on the corresponding support frame, a guide wheel (1022) is mounted at the front end of the crawler frame (1021), and a driving wheel (1024) driven by a driving motor is mounted at the upper end, an upper supporting wheel (1025) is arranged between the guide wheel (1022) and the driving wheel (1024), and a plurality of lower supporting wheels (1023) arranged at intervals are also mounted at the lower end of the crawler frame (1021), and crawler tracks (1026) are wound around the guide wheel (1022), the lower supporting wheel (1023), the driving wheel (1024) and the upper supporting wheel (1025).

3. The crawler self-propelled ridging and film covering machine according to claim 2, characterized in that: The plurality of lower support wheels (1023) extend in a horizontal direction, and the lower support wheel (1023) located at the front end is arranged on the lower right side of the guide wheel (1022).

4. The crawler self-propelled ridging and film covering machine according to claim 2, characterized in that: The frame (101) is also provided with a transmission mechanism (103), the transmission mechanism (103) comprising a front transmission box (1031) installed on the frame (101), the front output shaft of the front transmission box (1031) being connected to a clutch, the rear output shaft being connected to a front universal joint outer fork, the front universal joint outer fork being connected to a sliding universal joint fork (1032) via a front cross shaft, the sliding universal joint fork (1032) being connected to a tube of a tube universal joint fork (1033), the rear end of the tube universal joint fork (1033) being connected to a rear universal joint outer fork (1034) via a rear cross shaft.

5. The crawler self-propelled ridging and film covering machine according to claim 2, characterized in that: The rear end of the frame (101) is connected to two lower suspension arms arranged in parallel, and a crank arm seat is installed at the upper end; the lower suspension arm is connected to the front end of the ridging cover shell bracket (201) via a pin shaft; the ridging cover shell bracket (201) is connected to a suspension upper pull rod (407) via an upper pull rod bracket; and the suspension upper pull rod (407) is connected to the crank arm seat.

6. The crawler self-propelled ridging and film covering machine according to claim 1, characterized in that: There is an included angle between the two inner tool seats (204) and between the two outer tool seats (206), and the included angle is set to be an obtuse angle.

7. The crawler self-propelled ridging and film covering machine according to claim 1, characterized in that: The soil covering and film pressing mechanisms (301) are arranged in pairs, and each of the soil covering and film pressing mechanisms (301) comprises two spaced support arms (3011) mounted on a ridging cover support (201), and film pressing wheels (3013) for pressing the ground film onto the furrow and soil covering knives (3012) for covering the ground film with soil are mounted at the ends of the support arms (3011); the two soil covering knives (3012) correspond to each other and their rear ends are inclined toward each other.

8. The crawler self-propelled ridging and film covering machine according to claim 7, characterized in that: A mulch film support is installed on the ridging cover support (201), and a mulch film roller (305) is installed between the two mulch film supports; a roller adjustment frame (302) is also installed on the ridging cover support (201), and a film pressing roller (303) located between two film pressing wheels (3013) is installed on the roller adjustment frame (302), and film pressing rods (304) bent downward are arranged on both sides of the film pressing roller (303).

9. The crawler self-propelled ridging and film covering machine according to claim 7, characterized in that: The support arm (3011) is provided with a limiting column capable of abutting against the ridging cover shell support (201).

10. The crawler self-propelled ridging and film covering machine according to claim 5, characterized in that: The adjustment mechanism (4) comprises a lifting crank arm shaft (401) mounted on a crank arm seat, and a first lifting cylinder (402) for driving the lifting crank arm shaft (401) to rotate is also mounted on the frame (101), and two first lifting crank arms (403) and a second lifting crank arm (404) are sleeved on the lifting crank arm shaft (401) and are spaced apart from each other. The first lifting crank arm (403) is connected to a corresponding lower suspension arm via an adjustment rod (405), and the second lifting crank arm (404) is connected to a corresponding lower suspension arm via a second lifting cylinder (406).

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