CN210157601U - Elastic-tooth rake type plough layer residual film recycling machine - Google Patents
Elastic-tooth rake type plough layer residual film recycling machine Download PDFInfo
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- CN210157601U CN210157601U CN201920737837.2U CN201920737837U CN210157601U CN 210157601 U CN210157601 U CN 210157601U CN 201920737837 U CN201920737837 U CN 201920737837U CN 210157601 U CN210157601 U CN 210157601U
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Abstract
The utility model discloses a bullet tooth rake formula plastic film residue collector of plough layer, it has solved that prior art plastic film residue recovery mechanism area occupied is big, can only retrieve the problem of visible plastic film residue and big whole incomplete membrane, has reasonable in design compactness, can realize the plastic film residue of plough layer and retrieve, improves the beneficial effect of agricultural output value, and its scheme is as follows: an elastic-tooth rake type plough-layer residual film recycling machine comprises a rack; the lower part of the frame is provided with a press roller for crushing soil, a plough shovel for lifting and breaking a film, a rotary tillage mechanism for plowing and residual film lifting operation and an elastic tooth lifting mechanism for picking up and conveying residual films in sequence from one side to the other side, and the elastic tooth lifting mechanism is obliquely arranged relative to the frame; the elastic tooth lifting mechanism realizes the circular reciprocating motion and comprises a plurality of elastic tooth brushes, and a film unloading piece used for unloading the residual film is arranged on one side of the top end of the elastic tooth lifting mechanism.
Description
Technical Field
The utility model relates to a farmland plastic film residue field especially relates to a bullet tooth harrow formula plough layer plastic film residue collector.
Background
The mulching film is an important material for agricultural production, and the mulching film covering technology has the effects of increasing temperature, preserving soil moisture, inhibiting weeds, improving yield and the like, and promotes the obvious improvement of the agricultural production level and the fundamental change of the production mode in China. With the popularization and application of the mulching film covering technology, the problem of residual pollution of the mulching film is increasingly serious, after the mulching film is used, a planter can manually recover the mulching film, the mulching film on the surface of a field can only be recovered in the recovery mode, more mulching films can be remained in the field, if the number of the remained mulching films is accumulated year by year, not only can the soil be damaged, but also the environment is not protected, especially a plough layer with a certain depth, the residual mulching film (residual mulching film) is difficult to remove, especially the residual mulching film and broken mulching film buried in the deep part of the plough layer, great difficulty is brought to the recovery, and the development of the residual mulching film recovery industry is severely limited.
In addition, although the existing mechanism can remove the mulching film, the existing mechanism mainly treats the mulching film on the ground surface and only recovers the visible residual film and a large integral residual film, the whole mechanism is large in area and not compact enough, the occupied space of the whole machine is large when the machine is idle, the residual film cannot be conveniently removed, and the manual cooperation is needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, the utility model provides an elasticity tooth rake formula arable layer plastic film residue collector can effectively retrieve burying incomplete membrane and garrulous membrane in the arable layer, and each mechanism sets up rationally, mutually supports, effectively retrieves incomplete membrane, solves the environmental pollution that incomplete membrane caused, improves the agricultural output value.
The specific scheme of the elastic-tooth rake type plough layer residual film recycling machine is as follows:
an elastic-tooth rake type plough layer residual film recycling machine comprises:
a frame;
the lower part of the frame is provided with a press roller for crushing soil, a plough shovel for lifting and breaking a film, a rotary tillage mechanism for plowing and residual film lifting operation and an elastic tooth lifting mechanism for picking up and conveying residual films in sequence from one side to the other side, and the elastic tooth lifting mechanism is obliquely arranged relative to the frame; the elastic tooth lifting mechanism realizes the circular reciprocating motion and comprises a plurality of elastic tooth brushes, and a film unloading piece used for unloading the residual film is arranged on one side of the top end of the elastic tooth lifting mechanism.
Foretell plastic film residue collector, the frame can be connected with the tractor, under the drive of tractor, the frame removes, thereby carry out the hack by the compression roller, and the compression roller plays the supporting role to the frame, then the plough shovel plays the incomplete membrane in earth's surface or lacerates, mainly plays the incomplete membrane in earth's surface, then plays out the incomplete membrane that the plough layer stretches out through rotary tillage mechanism, the incomplete membrane is driven to the earth's surface, then bullet tooth elevating system is at the motion in-process, pick up through the elasticity tooth brush, under the setting effect of unloading the membrane spare, effectively unload the incomplete membrane.
Further, the frame is in still be equipped with running gear between rotary tillage mechanism with bullet tooth lift transport mechanism, running gear includes a pair of wheel, and the wheel passes through lifting unit with the frame to be connected, through running gear's setting, effectively supports the frame, plays the limit for depth effect moreover to the walking of the frame of being convenient for.
Furthermore, the elastic tooth lifting mechanism is supported by the lateral frame, two ends of the film unloading piece are supported by the lateral frame, the film unloading piece is made of soft materials, and when the elastic tooth brush in the elastic tooth lifting mechanism moves to the position of the film unloading piece, the film unloading piece gives a certain acting force to the elastic tooth brush, so that the transported residual film is effectively separated from the elastic tooth brush.
Further, the bottom of bullet tooth elevating conveyor constructs is equipped with height-adjustable's depth stop roller, and the depth stop roller is located the rear of bullet tooth elevating conveyor for the direction of advance of frame, through the setting of depth stop roller, and the primary function is the buried degree of depth of control elasticity tooth brush, and suppresses the soil body behind the operation to the subsequent operation of flattening the soil is convenient for.
Furthermore, the elastic tooth lifting mechanism comprises a chain wheel conveying mechanism, a plurality of fixing pipes are uniformly distributed on the surface of the chain wheel conveying mechanism, and the elastic tooth brushes are fixed on the fixing pipes;
furthermore, for convenience of installing the elastic tooth brush in the elastic tooth lifting mechanism, one end of the elastic tooth brush is arranged on the fixing ring, and the fixing ring is arranged on the fixing pipe.
Further, the frame is in one side of bullet tooth lifting mechanism is equipped with the incomplete membrane conveyer belt, and the both sides of incomplete membrane conveyer belt all set up the fender diaphragm, do benefit to the recovery to incomplete membrane through being provided with of incomplete membrane conveyer belt.
Further, the frame is in the top of compression roller is equipped with the traction part in order to be used for being connected with the tractor, and the frame sets up power input part, power input part with rotary tillage mechanism with elasticity tooth lifting mechanism is connected alone respectively.
Furthermore, the power input part drives the rotary tillage mechanism to move, and the rotary tillage mechanism drives the elastic tooth lifting mechanism to move through the transmission part.
Furthermore, a plurality of plough shovels are arranged and are connected with the rack through a plough shovel frame, and the plough shovels are detachably connected relative to the plough shovel frame;
or, the press roller is for the height-adjustable of frame to effectively adjust the height of press roller.
A use method of an elastic-tooth rake type plough layer residual film recycling machine comprises the following steps:
the frame advances along with the movement of the tractor;
the press roller is used for crushing and pressing soil in the field and plays a role in limiting depth and supporting the rack;
the ploughing shovel carries out film lifting and film breaking on the field soil body;
the rotary tillage mechanism carries out tillage layer residual film stripping operation on a field soil body and brings the residual film to the field surface;
the elastic tooth lifting mechanism circularly acts to effectively drive the residual film in the field to move upwards, so that the residual film is conveyed to the top end of the elastic tooth lifting mechanism.
The elastic-tooth rake type plough layer residual film recycling machine is characterized in that the elastic-tooth rake type plough layer residual film recycling machine comprises a plurality of mechanisms, wherein the mechanisms are matched with one another, and the residual films left on the ground surface and the plough layer in the deep position are dug up and can be transferred.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses an overall structure's setting, each mechanism mutually supports, sets up compactly, need not the manpower cooperation and just can get rid of the incomplete membrane of transportation, effectual incomplete membrane and the garrulous membrane to burying at the plough layer are retrieved, solve the environmental pollution that the incomplete membrane caused, improve the agricultural output.
2) The utility model discloses a slope setting of bullet tooth lift mechanism has effectively shortened the length of plastic film residue collector for the mechanism sets up more compactly, and the setting of elasticity tooth brush in the bullet tooth lift mechanism is favorable to the incomplete membrane of play to carry out incessant pickup, can stretch into the soil of certain degree of depth in addition and pick up, and the cooperation is unloaded the setting of membrane spare and can be effectively got rid of the incomplete membrane that the elasticity tooth brush picked up moreover.
3) The utility model presses the field surface through the arrangement of the press roller, and carries out soil crushing operation on hardened soil, thereby effectively separating the membrane from the soil; the setting through the plough shovel plays the incomplete membrane in earth's surface from ground and cuts brokenly, not only plays the membrane operation and still cuts brokenly big whole piece incomplete membrane, the effectual problem of solving incomplete membrane winding rotary tillage mechanism, will bury the incomplete membrane in plough layer depths through rotary tillage mechanism's setting and play out, and three part sets gradually all plays out earth's surface and deep incomplete membrane, has reduced moreover to ploughing the mechanism by winding probability.
4) The utility model discloses a setting of gauge roller can also carry out the suppression to the earth's surface and level and smooth after retrieving incomplete membrane, need not extra machine like this and carries out the secondary operation again, has improved the efficiency that incomplete membrane was retrieved and the soil preparation.
5) The utility model discloses a frame upper portion of locating of incomplete membrane conveyer belt, in one side of bullet tooth lift mechanism, the space of make full use of machine can effectively gather incomplete membrane, and the convenience is unloaded in addition to the concentration of incomplete membrane.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of an elastic-tooth rake type mulch film residue collector in an embodiment of the present invention.
Fig. 2 is a front view of fig. 1 in an embodiment of the present invention.
Fig. 3 is a rear view of fig. 1 according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the spring-tooth lifting mechanism shown in fig. 1 according to an embodiment of the present invention.
Fig. 5 is a schematic view of the arrangement of the spring-tooth lifting mechanism and the film unloading member in the embodiment of the present invention.
Wherein: 1, 2, a front film baffle, 3, a residual film conveyer belt, 4, a rear film baffle, 5, an elastic tooth lifting mechanism, 6 a tensioning mechanism, 7 a second adjusting part, 8 depth limiting rollers, 9 film guide plates, 10 hydraulic lifting rods, 11 a walking mechanism, 12 a rotary tillage mechanism, 13 a plough shovel, 14 a plough shovel frame, 15 a press roller, 16 a traction part, 17 a power input part, 18 a residual film conveyer belt driving part, 19, a transverse supporting rod, 20 a driving sprocket, 21 a middle sprocket, 22 a driving sprocket, 23 a film unloading part, 24 lateral frames, 25 comb teeth 26 and a film unloading roller;
1.1 elastic tooth brush, 1.2 fixed ring, 1.3 fixed tube, 1.4 driven chain wheel shaft, 1.5 lifting chain and 1.6 driving chain wheel shaft.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As the background art introduces, the deficiencies in the prior art, in order to solve the above technical problems, the utility model provides a spring-tine harrow type mulch film residue collector, which is further explained by combining the attached drawings of the specification.
In a typical embodiment of the utility model, as shown in fig. 1 and 2, an elastic-tooth rake type mulch film residue collector comprises a frame 1; a press roller 15 for crushing soil, a plough shovel 13 for lifting and breaking a film, a rotary tillage mechanism 12 for carrying out plough layer and residual film lifting operation and an elastic tooth lifting mechanism 5 for carrying out picking and conveying of residual films are sequentially arranged at the lower part of the rack 1 from one side to the other side, and the elastic tooth lifting mechanism 5 is obliquely arranged relative to the rack 1; the elastic tooth lifting mechanism 5 realizes the circular reciprocating motion, the elastic tooth lifting mechanism 5 comprises a plurality of elastic tooth brushes, the elastic tooth brushes are arranged on the surface of the elastic tooth lifting mechanism 5 in a plurality of rows, and a film unloading piece 23 used for unloading the residual film is arranged on one side of the top end of the elastic tooth lifting mechanism 5.
The elastic tooth lifting mechanism 5 is supported by a lateral frame 24, the lateral frame 24 is obliquely arranged relative to the rack 1 and is connected with the rack 1, two ends of a film unloading piece 23 are supported by the lateral frame, the film unloading piece 23 is made of soft materials such as rubber, or the surface of the film unloading piece 23 is provided with rubber, the film unloading piece 23 is a film unloading plate, the film unloading plate is horizontally arranged, comb teeth can be arranged on one side of the film unloading plate, or as shown in fig. 5, the film unloading piece 23 comprises a film unloading roller 26 supported by the lateral frame 24, a plurality of rows of rubber comb teeth 25 are arranged on the peripheral side of the film unloading roller 26, the comb teeth 25 are arranged along the direction of the central axis of the film unloading roller, and in the operation process of the elastic tooth lifting mechanism 5, the comb teeth 25 act with elastic tooth brushes, so that the residual films between the elastic tooth brushes can be removed.
The elastic tooth lifting mechanism 6 comprises a chain wheel conveying mechanism, the chain wheel conveying mechanism comprises a driving chain wheel 20 and a driven chain wheel which are supported through a lateral frame 24, the driving chain wheel 20 drives a driving chain wheel shaft 1.6 to work, the driven chain wheel is arranged on a driven chain wheel shaft 1.4, the driving chain wheel 20 is higher than a rack, a plurality of fixing pipes 1.3 are uniformly distributed on the surface of the chain wheel conveying mechanism, and adjacent fixing pipes are arranged at a set distance, as shown in fig. 4, the fixing pipes 1.3 exceed lifting chains 1.5 on two sides, namely the length of the fixing pipes 1.3 is longer than the distance between the lifting chains on the two sides, so that the fixing pipes 1.3 are effectively supported through the lifting chains 1.5, and the elastic tooth brushes 1.1 are fixed on the fixing pipes 1.3; further, solid fixed ring 1.2 is located to elasticity dentate brush 1.1 one end, in this embodiment, each fixed pipe 1.3 cover is equipped with a plurality of solid fixed rings 1.2, solid fixed ring 1.3 is evenly located to a plurality of solid fixed rings 1.2, gu fixed ring 1.2 is fixed in the fixed pipe through bolt or other modes, adjacent solid fixed ring 1.2 interval settlement distance sets up, each solid fixed ring 1.2 is equipped with one or more elasticity dentate brush 1.1, elasticity dentate brush 1.1 sets up towards the outside of bullet tooth elevating system 6, elasticity dentate brush 1.1 has the length of settlement, in order can be in the operation, insert the field to the settlement degree of depth, the spring wire is moulded to the preferred bullet of material of elasticity dentate brush, the material is 65 Mn.
It should be noted that the driving sprocket shaft 1.6 and the film unloading roller 26 in the elastic tooth lifting mechanism are arranged in parallel, and the distance from the film unloading roller 26 to the driving sprocket shaft is far greater than the distance from the film unloading roller 26 to the driven sprocket shaft 1.4, the film unloading roller 26 is arranged on one side of the lower side surface of the elastic tooth lifting mechanism, so that the residual film is prevented from being driven to the upper side surface of the elastic tooth lifting mechanism as much as possible, the residual film is prevented from being wound, the rotation direction of the film unloading roller 26 (driven to rotate by a rotating motor) is the same as the operation direction of the elastic tooth lifting mechanism, and thus, the movement direction of the comb teeth is opposite to the movement direction of the elastic tooth brushes on the corresponding sides, and the residual film is conveniently and effectively removed.
Further, the spring-tooth lifting mechanism is provided with a tensioning mechanism 6 (a tensioning mechanism of a common chain conveying mechanism, which is the prior art) for adjusting the tensioning degree of the lifting chain.
Specifically, the top of the elastic tooth lifting mechanism 5 inclines towards the front side of the running mechanism and the frame 1, the elastic tooth lifting mechanism 5 moves clockwise or anticlockwise, the frame is provided with a residual film conveying belt 3 at one side of the elastic tooth lifting mechanism 5, the residual film conveying belt 3 is arranged above the rotary tillage mechanism 12, two sides of the residual film conveying belt 3 are provided with film baffles, namely a front film baffle 2 and a rear film baffle 4, the rear film baffle 4 is arranged backwards and slantwise relative to the residual film conveying belt 3 to prevent residual films from floating and winding on the elastic tooth lifting mechanism 5 again, the conveying direction of the residual film conveying belt 3 is consistent with the width direction of the frame 1, the width direction of the frame 1 is arranged on two sides or one side of the residual film conveying belt 3 in a hollow way, so that after the residual films are accumulated to a certain height, the residual film conveying belt 3 is driven by a residual film conveying belt driving part 18 such as a driving motor to convey the residual films, thereby sending the gathered residual film away from the residual film conveyer belt 3, and in addition, a film guide plate 9 is also obliquely arranged behind the travelling mechanism 11 at the side part of the frame 1 and is used for assisting the elastic tooth brush to convey the residual film to the residual film conveyer belt.
In addition, the bottom of the elastic tooth lifting mechanism 5 is provided with a depth limiting roller 8 with adjustable height, two sides of the depth limiting roller 8 are connected with a second adjusting piece 7, the second adjusting piece 7 is connected with a transverse supporting rod 19, the transverse supporting rod 19 is connected with a lateral frame 24, and the second adjusting piece 7 is obliquely arranged relative to the transverse supporting rod so that the depth limiting roller 8 can level soil, the depth limiting roller 8 has the main function of depth limitation, and the height of the depth limiting roller is adjusted through the second adjusting piece, so that the soil penetration depth of the elastic tooth brush is controlled; second regulating part 7 is including locating the second curb plate of 8 both sides of gauge roller, and the second curb plate sets up a plurality of second bolt holes, realizes the regulation of 8 heights of gauge roller through different second bolt holes and gauge roller 8's connection.
Correspondingly, the height-adjustable of press roller 15 for frame 1, likewise, press roller 15 both sides are connected with first regulating part, and first regulating part top is connected with the frame, and first regulating part is including the first curb plate of locating press roller 15 both sides, and first curb plate sets up first bolt hole, realizes the regulation of press roller height through being connected of different first bolt holes and press roller.
It is to be noted that the press roll 15 and the depth stop roll 8 are both common press rolls.
Specifically, power input part 17 drives rotary tillage mechanism 12 and moves, rotary tillage mechanism 12 is the rotary tillage mechanism commonly used in the agricultural, rotary tillage mechanism 12 drives through the transfer unit play tooth elevating system 5 motion, as shown in fig. 3, specifically, the transfer unit is two sets of sprocket feed mechanism, rotary tillage mechanism 12 drives first sprocket feed mechanism and moves, first sprocket feed mechanism meshes with middle sprocket 21, middle sprocket 21 passes through the chain and drives the action of drive sprocket, thereby drive the motion of bullet tooth elevating system 5, all be equipped with the safety protection cover to exposed part in the power transmission process, the safety protection cover can be dismantled with frame 1 and be connected, the shape of safety protection cover does not do the injecing here.
A use method of an elastic-tooth rake type plough layer residual film recycling machine comprises the following steps:
the frame advances along with the movement of the tractor;
the compacting roller is used for compacting the ground surface, and soil crushing operation is carried out on the hardened soil, so that the membrane and the soil are effectively separated, and the depth limiting and supporting functions are realized on the machine frame together with the travelling mechanism;
the plough shovel lifts and lacerates the residual film on the ground surface from the ground;
the rotary tillage mechanism carries out tillage layer residual film stripping operation on a field soil body and brings the residual film to the field surface;
the elastic tooth lifting mechanism circularly acts, the elastic tooth brush effectively picks up the field residual film in the contact process with the ground surface, and further drives the residual film to move upwards, so that the residual film is conveyed to the top end of the elastic tooth lifting mechanism, the film unloading piece has a certain blocking effect on the elastic tooth brush with the residual film, so that the residual film is unloaded under the action of the film unloading piece, and the residual film is gathered on the surface of the residual film conveying belt under the arrangement of the front film baffle plate and the rear film baffle plate;
when the residual film is accumulated to a set height, the residual film conveyer belt driving part can be started to unload the residual film from one side of the frame, and after the film is unloaded, the residual film conveyer belt driving part is closed to continue the operation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a spring tooth harrow formula arable layer plastic film residue collector which characterized in that includes:
a frame;
the lower part of the frame is provided with a press roller for crushing soil, a plough shovel for lifting and breaking a film, a rotary tillage mechanism for plowing and residual film lifting operation and an elastic tooth lifting mechanism for picking up and conveying residual films in sequence from one side to the other side, and the elastic tooth lifting mechanism is obliquely arranged relative to the frame; the elastic tooth lifting mechanism realizes the circular reciprocating motion and comprises a plurality of elastic tooth brushes, and a film unloading piece used for unloading the residual film is arranged on one side of the top end of the elastic tooth lifting mechanism.
2. The elastic-tine harrow type mulch retriever according to claim 1, wherein the frame is further provided with a traveling mechanism between the rotary tillage mechanism and the elastic-tine elevating mechanism, the traveling mechanism comprises a pair of wheels, and the wheels are connected with the frame through an elevating member.
3. The elastic-tine rake type mulch retriever according to claim 1, wherein the elastic-tine elevating mechanism is supported by a side frame, both ends of the mulch discharging member are supported by the side frame, and the mulch discharging member is made of a soft material.
4. The elastic-tine rake-type mulch retriever according to claim 1, wherein the bottom of the elastic-tine lifting mechanism is provided with a depth roller with adjustable height.
5. The elastic-tooth rake type mulch film residue collector according to claim 1, wherein the elastic-tooth lifting mechanism comprises a chain wheel conveying mechanism, a plurality of fixed pipes are uniformly distributed on the surface of the chain wheel conveying mechanism, and the elastic tooth brushes are fixed on the fixed pipes;
furthermore, the fixed ring is located to elasticity tooth brush one end, and fixed ring locates fixed pipe.
6. The elastic-tooth-rake-type plough layer residual film recycling machine as claimed in claim 1, wherein the machine frame is provided with a residual film conveying belt on one side of the elastic-tooth lifting mechanism, the two sides of the residual film conveying belt are provided with film blocking plates, and one of the film blocking plates is openably arranged relative to the machine frame.
7. The film mulching and recovering machine of claim 6, wherein the machine frame is provided with a traction part above the press roller for connecting with a tractor, and is provided with a power input part which is separately connected with the rotary tillage mechanism and the elastic tooth lifting mechanism.
8. The film mulching and recovering machine of claim 7, wherein the power input part drives the rotary tillage mechanism to move, and the rotary tillage mechanism drives the spring-tooth lifting mechanism to move through the transmission part.
9. The elastic-tine harrow type mulch retriever according to claim 1, wherein a plurality of the plough blades are provided, the plurality of the plough blades are connected with the frame through a plough blade frame, and the plough blades are detachably connected with the plough blade frame;
alternatively, the press roll is adjustable in height relative to the frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920737837.2U CN210157601U (en) | 2019-05-20 | 2019-05-20 | Elastic-tooth rake type plough layer residual film recycling machine |
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| CN201920737837.2U CN210157601U (en) | 2019-05-20 | 2019-05-20 | Elastic-tooth rake type plough layer residual film recycling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110121935A (en) * | 2019-05-20 | 2019-08-16 | 山东省农业机械科学研究院 | A kind of elastic claw rake topsoil incomplete film-recovering machine and application method |
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2019
- 2019-05-20 CN CN201920737837.2U patent/CN210157601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110121935A (en) * | 2019-05-20 | 2019-08-16 | 山东省农业机械科学研究院 | A kind of elastic claw rake topsoil incomplete film-recovering machine and application method |
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