CN109906847B - Ridge-pressing film-covering device - Google Patents
Ridge-pressing film-covering device Download PDFInfo
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- CN109906847B CN109906847B CN201910281082.4A CN201910281082A CN109906847B CN 109906847 B CN109906847 B CN 109906847B CN 201910281082 A CN201910281082 A CN 201910281082A CN 109906847 B CN109906847 B CN 109906847B
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Abstract
The invention discloses a ridge-pressing film-covering device, which comprises a rack, a film-spreading device, a first-stage soil-covering device and a second-stage soil-covering device, wherein the film-spreading device, the first-stage soil-covering device and the second-stage soil-covering device are arranged on the rack, the rack walks along ridges under the traction of a traction device, the film-spreading device is used for spreading a mulching film on the bottom surface below the rack in the walking process of the rack, the first-stage soil-covering device is provided with two soil-covering devices, the two soil-covering devices are respectively arranged on two sides of the rack and are used for covering soil spread by the first-stage soil-covering device on the mulching film, and the two second-stage soil-covering devices are respectively arranged on two sides of the rack and are used for covering the soil spread by the first-covering device on the mulching film; the first-stage soil covering device comprises soil covering blades, the soil covering blades are mounted on the rack through fixing rods, the second-stage soil covering device comprises a soil conveying box, a spiral conveying rod and a driving device, the spiral conveying rod is vertically mounted in the soil conveying box and is driven to rotate through the driving device.
Description
Technical Field
The invention belongs to the field of agricultural machinery, relates to agricultural machinery equipment, and particularly relates to a ridge pressing and film covering device.
Background
The mulching film is beneficial to improving the soil temperature, keeping the soil moisture, preventing diseases and the like caused by external microorganisms, and further promoting the growth of plants. The existing ridge film covering device adopts a film pressing roller to press a film on the surface of soil in the using process, and then soil near the film is covered on two sides of the film by soil covering blades behind the film pressing roller.
However, after practical use, the earthing blades are relatively close to each other, the two sides of the mulching film can be scratched sometimes, the mulching film is turned over or damaged, when the earthing blades are relatively far away, soil covered on the two sides of the mulching film is not enough, conditions such as staggered turning and the like of the mulching film can be caused due to weather influence, the mulching film can be covered again, or the mulching film is compacted by a machine which is manually followed behind during covering, normal use of the mulching film is guaranteed, time and labor are wasted, working efficiency is greatly reduced, and the mulching film is covered if the side surface of a ridge of the mulching film needs to be covered, so that the mulching film cannot be covered in a real manner during covering, the conditions of ventilation and air leakage occur, or the mulching film is overlapped or bent during covering, and covering is caused again, and great troubles are caused.
Disclosure of Invention
In order to solve the existing problems, the invention provides a film covering device with a soil compacting function
The invention is realized by the following technical scheme:
the utility model provides a device for pressing ridge tectorial membrane which characterized in that: the mulching film paving device comprises a rack, and a mulching film paving device, a primary soil covering device and a secondary soil covering device which are sequentially installed on the rack from front to back, wherein the rack walks along a ridge under the traction of the traction device;
the first-stage soil covering device comprises soil covering blades, the soil covering blades are mounted on the rack through fixing rods, the soil covering blades are round blades, and the round surfaces of the soil covering blades and the advancing direction of the rack form an included angle, so that the two soil covering blades form a trapezoidal structure for collecting soil inwards in the advancing direction of the rack;
second grade earthing device is including defeated soil box, auger delivery pole and drive arrangement, the vertical installation of auger delivery pole is in defeated soil box to it is rotatory through the drive arrangement drive, defeated soil box lower extreme is equipped with into soil box, advances soil box and is equipped with into soil mouth towards frame direction of advance, and defeated soil box top is equipped with towards the pipe that unearths in the middle of the plastic film, and the soil of ridge both sides is through advancing in the soil mouth gets into defeated soil box, then through carrying through auger delivery pole and cover on the plastic film through the pipe that unearths.
As an improvement, drive arrangement includes installation cavity, driving motor, drive pulley and driven pulley, the installation cavity is fixed in the frame, and the defeated soil box top of two second grade earthing device is fixed with the installation cavity both ends and is linked to each other, the screw conveyor pole top is equipped with the connecting axle that extends to in the installation cavity, is equipped with a driven pulley on two connecting axles respectively, drive pulley locates in the installation cavity and links to each other with driving motor power transmission, link to each other through the belt between drive pulley and two driven pulleys.
As an improvement, the soil inlet at the lower end of the soil conveying box is a horn-shaped soil inlet.
As the improvement, be equipped with ridge compaction device in the frame of shop's plastic film device the place ahead, ridge compaction device includes connecting block and two compaction rollers, and two compaction rollers are installed on the connecting block through two elastic arm, and the connecting block is installed in the frame.
As an improvement, two elastic arms of the compaction device are arranged on the connecting block through a translation device, and the distance between two compaction rollers can be adjusted through the translation device, so that the compaction device is suitable for ridges with different widths.
As an improvement, the translation device comprises a threaded rod, a sliding block sleeve, an internal thread sleeve and a moving cavity arranged on a connecting block, the moving cavity is arranged perpendicular to the advancing direction of the frame, the middle part of the threaded rod is arranged in the moving cavity through a fixed block, two internal thread sleeves are sleeved at the two ends of the threaded rod and extend out of the two ends of the moving cavity, a handle for hand twisting is arranged at the extending end, two sliding block sleeves are arranged at the two ends in the moving cavity and form a guide rail sliding block structure with the moving cavity, the sliding block sleeves are sleeved on the internal thread sleeves at the corresponding sides, the sliding block sleeves and the internal thread sleeves are connected through annular grooves and annular clamping blocks, so that the sliding block sleeves and the internal thread sleeves can rotate relatively, but the screw rod keeps synchronous movement on the axis of the screw rod, the bottom of the connecting block is provided with a chute communicated with the moving cavity, and the elastic arm extends into the chute and is fixedly connected with the sliding block sleeve.
As an improvement, the elastic arm comprises a support rod, a sleeve A and an installation shell, the compaction roller is installed in the installation shell through a rolling shaft, the top of the installation shell is fixedly connected with the bottom of the sleeve A, a sliding block A capable of sliding up and down is arranged in the sleeve A, a spring is arranged between the bottom of the sliding block A and the bottom of the sleeve A, the lower end of the support rod extends into the sleeve A and is fixedly connected with the sliding block A, the upper end of the support rod is fixedly connected with the sliding block sleeve, and a reinforcing rod is further arranged between the support rod and the sliding block sleeve.
As an improvement, both sides all are equipped with triangular's mud scraper around the compaction roller, the mud scraper passes through the montant and installs in the installation shell.
As the improvement, spread the plastic film device and include that the plastic film is rolled up and is placed case and plastic film compression roller, the plastic film is rolled up and is placed the case and install on frame upper portion, the plastic film compression roller passes through the dead lever and installs the frame below of placing the case rear side at the plastic film book.
As an improvement, wheels convenient to walk are arranged on the periphery of the bottom of the rack, and a connecting piece convenient to pull is arranged at the front end of the rack.
Compared with the prior art, the invention has the beneficial effects that: the soil on the side surface of the ridge is compacted by the two compaction rollers, so that the integrity of mulching is ensured, and the conditions of ventilation and air leakage or overlapping or bending are avoided; meanwhile, the soil in the soil inlet box is conveyed into the soil conveying box by the spiral conveying rod and then is discharged to the two sides of the mulching film through the soil outlet pipe, and the conditions of dislocation turning and the like of the mulching film are ensured and the mulching film is prevented from being covered again because the primary soil covering device is arranged at a position which does not contact the mulching film,
drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a block diagram of a structural ridge compaction apparatus according to the present invention;
FIG. 3 is a side view of the structural mounting shell of the present invention;
FIG. 4 is a structural diagram of a secondary covering device of the structure of the present invention;
FIG. 5 is a side view of the soil intake box of the structure of the present invention;
in the figure: 1-frame, 2-wheel, 3-connecting piece, 4-mulch placement box mounting plate, 5-driving motor mounting frame, 6-driving motor, 7-secondary soil covering device, 7.1-soil conveying box, 7.2-spiral conveying rod, 7.3-soil outlet pipe, 7.4-soil inlet box, 7.5-connecting shaft, 7.6-driven belt pulley, 7.7-limiting block, 7.8-trumpet-shaped soil inlet, 8-fixing rod, 9-primary soil covering device, 10-mulch press roller, 11-ridge compacting device, 11.1-connecting block, 11.2-chute, 11.3-moving cavity, 11.4-threaded rod, 11.5-fixing block, 11.6-slide block sleeve, 11.7-internal thread sleeve, 11.8-handle, 11.9-annular block, 11.10-annular chute, 11.11-supporting rod, 11.12-reinforcing rod, 11.13-sliding block, 11.14-spring, 11.15-sleeve, 11.16-mounting shell, 11.17-rolling shaft, 11.18-compacting roller, 11.19-vertical rod, 11.20-mud scraper, 12-mulching film roll placing box, 13-mulching film roll, 14-mounting cavity, 15-output shaft, 16-driving belt pulley and 17-belt.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: as shown in fig. 1, 2, 3, 4 and 5, a ridge pressing and film covering device comprises a frame 1, wheels 2 are fixedly mounted at four corners of the bottom end of the frame 1, the front end of the frame 1 is fixedly connected with a connecting piece 3, a mulching film roll placing box mounting plate 4 is fixedly mounted at the front side of the top end of the frame 1, a mulching film roll placing box 12 is fixedly mounted on the side wall of the mulching film roll placing box mounting plate 4, a mulching film roll placing box 12 is rotatably connected with the mulching film roll placing box 12 in a rotating manner, the bottom end of the frame 1 is fixedly connected with the top end of a mulching film compression roller 10, two fixing rods 8 are arranged at the rear side of the mulching film compression roller 10, the bottoms of the two fixing rods 8 are respectively and fixedly connected with the top ends of two primary soil covering devices 9, the primary soil covering devices 9 are inclined with the ridge direction, the two fixing rods 8 are symmetrically arranged at two sides of the bottom end of the frame 1 and fixedly connected with the bottom end of the frame 1, a driving motor mounting frame 5 is fixedly mounted on the rear side of the top end of the frame 1, a driving motor 6 is fixedly mounted on the top surface in the driving motor mounting frame 5, a mounting cavity is formed in the frame 1 at the bottom of the driving motor mounting frame 5, two secondary soil covering devices 7 are respectively and fixedly connected to two sides of the bottom end of the frame 1, each secondary soil covering device 7 consists of a soil conveying box 7.1 and a soil inlet box 7.4, the top end of each soil conveying box 7.1 is fixedly connected to two ends of the mounting cavity of the frame 1, the bottom end of each soil conveying box 7.1 is fixedly connected and communicated with the top end of each soil inlet box 7.4, an opening is formed in one side of each soil inlet box 7.4, a bottom plate of each soil inlet box 7.4 is inclined to form a horn-shaped soil inlet 7.8, a spiral conveying rod 7.2 is arranged in each soil conveying box 7.1, the bottom end of each spiral conveying rod 7.2 extends into each soil inlet box 7.4 and is attached to the inner bottom surface of each soil inlet box 7.4, and the top end of each spiral conveying rod 7.2 is fixedly connected with the bottom end of a connecting shaft 7.5, the top end of the connecting shaft 7.5 penetrates through the soil conveying box 7.1 and extends into the mounting cavity to be fixedly connected with the bottom end of the driven belt pulley 7.6, the side wall of the top end of the spiral conveying rod 7.2 is fixedly connected with a limiting block 7.7, the top end of the limiting block 7.7 is attached to the inner top surface of the soil conveying box 7.1, the axial displacement of the spiral conveying rod 7.2 can be limited through the limiting block 7.7, certainly not limited to the mode, the axial displacement of the spiral conveying rod 7.2 can be limited through a thrust bearing arranged between the spiral conveying rod 7.2 and the top end of the soil conveying box 7.1, the axial force in the soil conveying process of the spiral conveying rod 7.2 is born, the two driven belt pulleys 7.6 are connected with the driving belt pulley 16 through a belt 17 to form a synchronous belt structure, the top end of the driving belt pulley 16 is fixedly connected with the bottom end of the output shaft 15, the top end of the output shaft 15 penetrates through the mounting cavity to be fixedly connected with the output end of the driving motor 6, one side of the top end of the soil conveying box 7.1 is fixedly connected with a soil outlet pipe 7.3, the soil outlet pipes 7.3 are arranged downwards in an inclined manner towards the inner side, the two soil outlet pipes 7.3 are arranged oppositely, the secondary soil covering device 7 is arranged between the fixed rod 8 and the rear side wheel 2, a ridge compacting device 11 is arranged between the mulching film pressing roller 10 and the front side wheel 2, the ridge compacting device 11 consists of a connecting block 11.1, a sleeve 11.15, an installation shell 11.16 and a compacting roller 11.18, a moving cavity 11.3 is arranged in the connecting block 11.1, a fixed block 11.5 is fixedly connected to the center of the moving cavity 11.3, threaded rods 11.4 are symmetrically and fixedly connected to the two ends of the fixed block 11.5, two sliding block sleeves 11.6 are connected in the moving cavity 11.3 in a sliding mode, the two sliding block sleeves 11.6 are symmetrically arranged oppositely, an internal thread sleeve 11.7 is arranged in the sliding block sleeve 11.6, an annular sliding chute 11.10 is fixedly arranged on the outer wall of the internal thread sleeve 11.7, an annular sliding block 11.9 is fixedly connected with the inner wall of the sliding block sleeve 11.6, a structure similar to a thrust bearing is formed between the sliding block sleeve 11.6 and the internal thread sleeve 11.7, so that the sliding block sleeve 11.6 and the internal thread sleeve 11.7 can rotate relatively, but the synchronous movement is kept on the axis of the threaded rod 11.4, one end of the internal thread sleeve 11.7 extends out of the sliding block sleeve 11.6 and is fixedly connected with the handle 11.8, the outer end of the threaded rod 11.4 extends into the internal thread sleeve 11.7 and is in threaded connection with the internal thread sleeve 11.7, the bottom of the sliding block sleeve 11.6 is fixedly connected with the top end of the supporting rod 11.11, two reinforcing rods 11.12 are fixedly connected between the bottom end of the sliding block sleeve 11.6 and the side wall of the supporting rod 11.11, the reinforcing rods 11.12 are arranged in an inclined manner, the two reinforcing rods 11.12 are arranged relatively symmetrically, the bottom end of the connecting block 11.1 is provided with a sliding groove 11.2, the top of the supporting rod 11.11 is fixedly connected with the sliding block sleeve 11.6, the bottom end of the supporting rod 11.11 is extended into the sliding block sleeve 11.15 and is fixedly connected with the top end of the sliding block 11.13, the inner wall of the sleeve 11.15 is internally provided with a spring 11.14, the top end of the spring 11.14 is fixedly connected with the bottom end of a sliding block 11.13, the bottom end of the spring 11.14 is fixedly connected with the inner bottom surface of the sleeve 11.15, the sleeve 11.15 is slidably connected with the sliding block 11.13, the bottom end of the sleeve 11.15 is fixedly connected with the top end of an installation shell 11.16, the installation shell 11.16 is internally provided with a compaction roller 11.18, a rolling shaft 11.17 is inserted into the compaction roller 11.18 and is rotatably connected with the compaction roller 11.18, two ends of the rolling shaft 11.17 respectively extend into the inner walls at two sides of the installation shell 11.16 and are fixedly connected with the installation shell 11.16, the top surface in the installation shell 11.16 is fixedly connected with two vertical rods 11.19, the two vertical rods 11.19 are symmetrically arranged at two sides of the compaction roller 11.18 relatively, the bottom ends of the vertical rods 11.19 are provided with triangular mud scraping plates 11.20, the mud scraping plates 11.20 are obliquely arc-shaped and keep a small gap with the side wall of the compaction roller 11., the scrapers 11.20 on both sides of the compacting roller 11.18 are used for scraping off the soil on the compacting roller 11.18 during rotation.
The fixing rod 8 for fixing the first-stage soil covering device 9 is connected with the rack 1 through welding.
The distance between the bottom end of the reinforcing rod 11.12 and the top end of the sleeve 11.15 is 5-6cm, so that the supporting rod 11.11 can be compressed 5-6cm downwards relatively, namely the movement stroke of the supporting rod 11.11 corresponding to the sleeve 11.15 is 5-6 cm.
The connecting piece 3 is provided with a threaded hole, the whole ridge pressing and film covering device can be connected with a traction device through the threaded hole on the connecting piece 3, and the traction device is used for driving the ridge pressing and film covering device to move forward to work.
The first-stage soil covering device 9 is made of stainless steel materials.
The cross section of the compaction roller 11.18 is in a football-shaped ellipse shape, and the side view is in a circle shape, so that the two sides of the ridge can be compacted conveniently, and mulching films can be better covered.
The working principle is as follows: firstly, the invention is connected with a power vehicle (namely a traction device, which can be an agricultural tractor or other traction equipment) through a connecting piece 3, then the invention is adjusted to a proper angle through a hydraulic device on the power vehicle, the invention is just opposite to a ridge, the direction parallelism during film covering is ensured, at the moment, a mulching film roll 13 in a mulching film roll placing box 12 is installed, one end of the mulching film is pulled out and pressed on the lower surface of a mulching film press roller 10, the pull-out end of the mulching film is covered with soil, the power vehicle is started at a constant speed, the speed is kept at 3-5 kilometers per hour, the mulching film is prevented from being pulled apart, at the moment, the invention is driven to move and cover the film along with the movement of the power vehicle, the mulching film press roller 10 presses the mulching film, the first-stage soil covering devices 9 at two sides cover the two sides of the mulching film, the second-stage soil covering devices 7 are arranged behind the first-stage soil covering devices 9, the soil covered at two sides of the mulching film through the first-stage soil covering devices 9 enters a soil inlet box 7.4 of the second-stage soil covering devices 7, because the soil inlet box 7.4 is provided with the horn-shaped soil inlet, the soil can conveniently enter the soil conveying box 7.1, the driving motor 6 is started, the two driven belt pulleys 7.6 are driven to rotate simultaneously by the belt on the driving belt pulley 16, the driven belt pulleys 7.6 drive the corresponding spiral conveying rods 7.2 to rotate by the connecting shafts 7.5, the soil in the soil inlet box 7.4 is conveyed into the soil conveying box 7.1, and then is discharged onto the mulching film through the soil outlet pipe 7.3, so that the conditions of staggered turning-up and the like of the mulching film are ensured because the one-level soil covering device 9 is arranged at the position not touching the mulching film, the re-covering is avoided, the soil discharged from the soil outlet pipe 7.3 ensures the stability of the mulching film, the manual compaction by following machines at the back is not needed, the working efficiency is ensured, and the time and the resources are saved.
The ridge compacting device 11 is arranged in front of the mulching film pressing roller 10, when the mulching film is coated, the width of the ridge is firstly determined, then the ridge compacting device is lifted by a hydraulic device on a motor vehicle, then the two handles 11.8 are rotated, so that the internal thread sleeve 11.7 is driven to rotate, because the annular clamping block 11.9 and the annular sliding chute 11.10 are arranged, so that the internal thread sleeve 11.7 can also drive the two sliding block sleeves 11.6 to move when moving on the threaded rod 11.4, so that the distance between the two supporting rods 11.11 is adjusted, the ridge with different widths is adapted, the practicability of the ridge compacting device is improved, then the ridge compacting device is placed at a proper angle and position, because the spring 11.14 is arranged in the sleeve 11.15, so that the spring 11.14 is in a compressed state along with the contact of the ridge compacting device and the supporting rod 11.11 and the mounting shell 11.16, the soil can be compacted by the further ensuring compacting roller 11.18, because the compaction rollers 11.18 are football-shaped, after entering the ground, the side walls of the compaction rollers cling to the side surfaces of the ridges under the action of the elastic force of the springs 11.14 to compact the soil, and the vertical rods 11.19 and the mud scraping plates 11.20 are arranged in the mounting shell 11.16, so that the soil attached to the compaction rollers 11.18 is removed, the normal use of the compaction rollers 11.18 is ensured, and thus along with the movement of the soil compacting device, the soil on the side surfaces of the ridges is compacted by the two compaction rollers 11.18, the integrity of mulching film covering is ensured, the ventilation and air leakage conditions are avoided, or overlapping or bending occurs, the covering is avoided again, and the working time is saved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The utility model provides a device for pressing ridge tectorial membrane which characterized in that: the mulching film paving machine comprises a rack, and a mulching film paving device, a primary soil covering device and a secondary soil covering device which are sequentially installed on the rack from front to back, wherein the rack is dragged by a traction device to walk along ridges, the mulching film paving device is used for flatly paving a mulching film on the ground below the rack in the walking process of the rack, the primary soil covering device is provided with two soil covering devices, the two soil covering devices are respectively installed on two sides of the rack and used for covering soil on two sides of the paved mulching film, and the two secondary soil covering devices are also provided with two soil covering devices, respectively installed on two sides of the rack and used for covering the soil piled by the primary soil covering device on the mulching film;
the first-stage soil covering device comprises soil covering blades, the soil covering blades are mounted on the rack through fixing rods, the soil covering blades are round blades, and the round surfaces of the soil covering blades and the advancing direction of the rack form an included angle, so that the two soil covering blades form a trapezoidal structure for collecting soil inwards in the advancing direction of the rack;
the secondary soil covering device comprises a soil conveying box, a spiral conveying rod and a driving device, wherein the spiral conveying rod is vertically installed in the soil conveying box and is driven to rotate by the driving device, a soil inlet box is arranged at the lower end of the soil conveying box, a soil inlet is formed in the soil inlet box in the advancing direction of the rack, a soil outlet pipe facing the middle of the mulching film is arranged at the top of the soil conveying box, soil on two sides of the ridge enters the soil conveying box through the soil inlet, and the soil outlet pipe is conveyed by the spiral conveying rod to cover the mulching film;
a ridge compacting device is arranged on the machine frame in front of the mulching film paving device and comprises a connecting block and two compacting rollers, the two compacting rollers are mounted on the connecting block through two elastic arms, and the connecting block is mounted on the machine frame;
the mulching film paving device comprises a mulching film roll placing box and a mulching film pressing roller, the mulching film roll placing box is mounted at the upper part of the rack, and the mulching film pressing roller is mounted below the rack at the rear side of the mulching film roll placing box through a fixing rod;
two elastic arms of the ridge compacting device are arranged on the connecting block through the translation device, and the distance between the two compacting rollers is adjusted through the translation device, so that the ridge compacting device is suitable for ridges with different widths;
the translation device comprises a threaded rod, a sliding block sleeve, an internal thread sleeve and a moving cavity arranged on the connecting block, the moving cavity is arranged perpendicular to the advancing direction of the frame, the middle part of the threaded rod is arranged in the moving cavity through a fixed block, two internal thread sleeves are sleeved at the two ends of the threaded rod and extend out of the two ends of the moving cavity, a handle for hand twisting is arranged at the extending end, two sliding block sleeves are arranged at the two ends in the moving cavity and form a guide rail sliding block structure with the moving cavity, the sliding block sleeves are sleeved on the internal thread sleeves at the corresponding sides, the sliding block sleeves and the internal thread sleeves are connected through annular grooves and annular clamping blocks, so that the sliding block sleeves and the internal thread sleeves can rotate relatively, but the screw rod keeps synchronous movement on the axis of the screw rod, the bottom of the connecting block is provided with a chute communicated with the moving cavity, and the elastic arm extends into the chute and is fixedly connected with the sliding block sleeve.
2. The ridging and film-covering device of claim 1, wherein: the driving device comprises an installation cavity, a driving motor, a driving belt pulley and driven belt pulleys, wherein the installation cavity is fixed on the rack, the soil conveying box tops of the two secondary soil covering devices are fixedly connected with the two ends of the installation cavity, the top of the spiral conveying rod is provided with a connecting shaft extending into the installation cavity, the two connecting shafts are respectively provided with one driven belt pulley, the driving belt pulley is arranged in the installation cavity and is connected with the driving motor in a power transmission mode, and the driving belt pulley is connected with the two driven belt pulleys through a belt.
3. The ridging and laminating device of claim 2, wherein: the soil inlet at the lower end of the soil conveying box is a horn-shaped soil inlet.
4. The ridging and film-covering device of claim 1, wherein: the elastic arm comprises a supporting rod, a sleeve A and an installation shell, the compaction roller is installed in the installation shell through a rolling shaft, the top of the installation shell is fixedly connected with the bottom of the sleeve A, a sliding block A capable of sliding up and down is arranged in the sleeve A, a spring is arranged between the bottom of the sliding block A and the bottom of the sleeve A, the lower end of the supporting rod stretches into the sleeve A and is fixedly connected with the sliding block A, the upper end of the supporting rod is fixedly connected with the sliding block sleeve, and a reinforcing rod is further arranged between the supporting rod and the sliding block sleeve.
5. The ridging and film-covering device of claim 4, wherein: both sides all are equipped with triangular's mud scraper around the compaction roller, the mud scraper passes through the montant and installs in the installation shell.
6. The ridging and mulching device of any one of claims 1 to 5, wherein: wheels convenient to walk are arranged on the periphery of the bottom of the rack, and a connecting piece convenient to pull is arranged at the front end of the rack.
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| CN201910281082.4A CN109906847B (en) | 2019-04-09 | 2019-04-09 | Ridge-pressing film-covering device |
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| CN201910281082.4A CN109906847B (en) | 2019-04-09 | 2019-04-09 | Ridge-pressing film-covering device |
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| CN109906847B true CN109906847B (en) | 2021-08-03 |
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| CN109220426A (en) * | 2018-10-11 | 2019-01-18 | 吴志海 | A kind of agricultural ditch ridge film covering device |
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