阅读说明：本技术 农田残膜捡拾脱膜装置试验台 (Test bed of farmland residual film picking and stripping device ) 是由 王茜 缑海啸 温浩军 郭继杰 于 2021-09-18 设计创作，主要内容包括：本申请提供一种农田残膜捡拾脱膜装置试验台,涉及机械试验设备领域。农田残膜捡拾脱膜装置试验台,包括：机架,形成有内部容置空间,用于容置残膜捡拾脱膜装置；支撑板,数量为两个且均与水平方向呈预设角度,两个所述支撑板相对的设置在所述内部容置空间中,通过升降装置连接在所述支架的两侧；第一辊体和第二辊体,均与两个所述支撑板的下端的连线平行,分别位于所述支撑板下端的两侧并所述机架底部转动连接。所述农田残膜捡拾脱膜装置试验台能够安装残膜捡拾脱膜装置,并对其拾膜的效果进行测试,以及可以调整拾膜时钉齿插入土中的深度,试验获得合适的齿顶插入深度数据。(The application provides a test bench for a farmland residual film picking and stripping device, and relates to the field of mechanical test equipment. Test bench of demoulding device is picked up to incomplete membrane in farmland includes: the frame is provided with an internal accommodating space for accommodating the residual film picking and stripping device; the two support plates are oppositely arranged in the inner accommodating space and are connected to two sides of the support through a lifting device; the first roller body and the second roller body are parallel to a connecting line of the lower ends of the two supporting plates, are respectively positioned on two sides of the lower end of the supporting plate and are rotatably connected with the bottom of the rack. The test bed of the farmland plastic film residue picking and stripping device can be provided with the plastic film residue picking and stripping device, the film residue picking and stripping device can be tested according to the film residue picking effect, the depth of the nail teeth inserted into the soil during film residue picking can be adjusted, and the test can obtain the proper tooth top insertion depth data.)

1. The utility model provides a take off membrane device test bench is picked up to incomplete membrane in farmland which characterized in that includes:

the frame is provided with an internal accommodating space for accommodating the residual film picking and stripping device;

the two support plates are oppositely arranged in the inner accommodating space and are connected to two sides of the support through a lifting device;

the first roller body and the second roller body are parallel to a connecting line of the lower ends of the two supporting plates, are respectively positioned on two sides of the lower end of the supporting plate and are rotatably connected with the bottom of the rack;

during testing, a driving roller of the residual film picking and stripping device is rotatably connected with the upper ends of the two supporting plates, a follower roller of the residual film picking and stripping device is rotatably connected with the lower ends of the two supporting plates, and one end of the driving roller is connected with one end of the first roller body through a transmission chain and is used for transmitting power to the first roller body; when the spike teeth of a picking spike tooth chain plate of the residual film picking and stripping device move to the position where the follower roller is close to the ground, the spike teeth protrude a first distance from one side, close to the ground, of the first roller body; when the lifting device is adjusted, the supporting plate can be adjusted in a reciprocating mode along the vertical direction relative to the rack, so that the first distance of the protruding nail teeth can be adjusted.

2. The farmland residual film picking and stripping device test stand as claimed in claim 1,

the two sets of lifting devices are respectively connected with one supporting plate and one side of the rack;

the lifting device comprises two auxiliary lifting components and an adjusting component, the two auxiliary lifting components are respectively connected with two ends of the supporting plate, and the two auxiliary lifting components are respectively connected with the top and the bottom of the rack;

the adjusting assembly comprises a fixing part and an adjusting part, the fixing part is connected with the supporting plate, the fixing part of the adjusting part is connected with the rack, and the movable part of the adjusting part is connected with the fixing part in a sliding manner;

the movable part of the adjusting part moves relative to the fixed part, and the driving force for moving the fixed part and the supporting plate along the vertical direction can be given to enable the supporting plate to move along the vertical direction under the assistance of the auxiliary lifting assembly.

3. The farmland residual film picking and stripping device test stand as claimed in claim 2,

the fixing part comprises a base and a sliding block arranged on the base, and the base is connected with the supporting plate;

the fixed part of the adjusting part is a support, the movable part of the adjusting part is a sliding rod, the support is provided with a sliding sleeve, the support is fixedly connected with the rack, and the sliding rod is connected with the sliding sleeve in a sliding manner;

the sliding rod is connected with a guide driving plate, the guide driving plate is provided with an inclined hole which penetrates through two side faces and is from bottom to top, and the inclined hole is matched with the sliding block.

4. The test bed for the farmland residual film picking-up and stripping device as claimed in claim 3, further comprising:

the cylinder body end of the driving cylinder is rotatably connected with the rack, and the cylinder rod end of the driving cylinder is connected with the sliding rod and used for driving the sliding rod to slide in the sliding sleeve in a reciprocating mode.

5. The farmland residual film picking and stripping device test stand as claimed in claim 2, wherein the auxiliary lifting assembly comprises:

the device comprises an upper mounting seat, a lower mounting seat and a screw rod;

the upper mounting seat comprises a first base and a first frame arranged on the first base, and a threaded through hole is formed in the beam of the first frame, which is opposite to the first base;

the lower mounting seat comprises a second base and a second frame arranged on the second base, the second frame is connected with two side beams of the second base and is provided with a through slide way, one end of the screw rod is rotatably connected to a cross beam of the second frame, which is just opposite to the second base, and the other end of the screw rod is rotatably connected with the second base;

the cross beam of the first base penetrates through the slide ways of the two side beams of the second base, the threaded through hole is matched with the screw rod, the first base is connected with the rack, and the second base is connected with the supporting plate.

6. The farmland residual film picking and stripping device test stand as claimed in claim 2,

the frame sets up the both sides of backup pad are provided with two at least horizontal poles along vertical direction spaced, connect two at backup pad both ends supplementary lifting unit respectively with be located the first horizontal pole at frame top is connected, and with be located the frame bottom the second horizontal pole is connected.

7. The farmland residual film picking and stripping device test stand as claimed in claim 6,

the first horizontal cross rod is provided with a strip-shaped hole, and the auxiliary lifting assembly is in bolt connection with the strip-shaped hole;

the second horizontal cross rod is provided with a long strip-shaped hole, and the auxiliary lifting assembly is in bolt connection with the long strip-shaped hole;

wherein, adjust two the hookup location in supplementary lifting unit and rectangular shape hole can adjust the backup pad is with the contained angle of horizontal direction.

8. The test bed for the farmland residual film picking-up and stripping device as claimed in claim 1, further comprising:

mulching film reversal lower sliding plate, mulching film reversal lower sliding plate with the frame is connected, mulching film reversal lower sliding plate is located drive roller falling film one side, mulching film reversal lower sliding plate's one end with the demoulding dish is close, mulching film reversal lower sliding plate's the other end extends to the downside to one side, mulching film reversal lower sliding plate is 67-72 degrees with the horizontal plane, is used for leading the incomplete membrane that drops to the place ahead of second roll body.

9. The test bed for the farmland residual film picking-up and stripping device as claimed in claim 1, further comprising:

the scraper plate is connected with the rack, the scraper plate is arranged above one side, away from the follower roller, of the second roller body, and the scraper plate is used for removing soil or sundries adhered to the second roller body.

10. The test bed for the farmland residual film picking-up and stripping device as claimed in claim 1, further comprising:

a traction portion disposed on the frame.

Technical Field

The application relates to the field of agricultural mechanical test equipment, in particular to a test bed of a farmland residual film picking and stripping device.

Background

Mulching films are commonly used in agricultural production, but with the increasing of the film covering period and the increasing of the film covering area, the problem of residual mulching films in farmlands is further highlighted, so that the pollution control of the mulching films is not easy.

At present, the key point of solving the problem of residual film pollution is to adopt mechanized recovery, and a picking mechanism and a stripping device are used as main working components of a residual film recovery machine, so that whether film can be reliably picked and stripped is a main index for evaluating the performance of the residual film recovery machine. However, the verification of the performance of the machine needs field tests, the field tests are performed under natural environment conditions, and due to the complexity of factors such as natural climate, soil texture and the like, great difficulty is brought to field test work, and the tests often cannot obtain correct results.

Therefore, in order to solve the above-described problems, a test stand capable of verifying the picking-up and stripping device in the soil bin test chamber is required.

Disclosure of Invention

The invention mainly aims to provide a test bed of a farmland residual film picking and stripping device, which can solve the technical problems that the metal light shielding transmittance is reduced, the high capacitance value is not beneficial to charging and discharging, the process is difficult to realize and the like caused by the current touch electrode form.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

on the one hand this application provides a deciduate device test bench is picked up to incomplete membrane in farmland, include:

the frame is provided with an internal accommodating space for accommodating the residual film picking and stripping device;

the two support plates are oppositely arranged in the inner accommodating space and are connected to two sides of the support through a lifting device;

the first roller body and the second roller body are parallel to a connecting line of the lower ends of the two supporting plates, are respectively positioned on two sides of the lower end of the supporting plate and are rotatably connected with the bottom of the rack;

during testing, a driving roller of the residual film picking and stripping device is rotatably connected with the upper ends of the two supporting plates, a follower roller of the residual film picking and stripping device is rotatably connected with the lower ends of the two supporting plates, and one end of the driving roller is connected with one end of the first roller body through a transmission chain and is used for transmitting power to the first roller body; when the spike teeth of a picking spike tooth chain plate of the residual film picking and stripping device move to the position where the follower roller is close to the ground, the spike teeth protrude a first distance from one side, close to the ground, of the first roller body; when the lifting device is adjusted, the supporting plate can be adjusted in a reciprocating mode along the vertical direction relative to the rack, so that the first distance of the protruding nail teeth can be adjusted.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Optionally, in the test bed for the farmland residual film picking and stripping device, two sets of lifting devices are respectively connected with one support plate and one side of the rack;

the lifting device comprises two auxiliary lifting components and an adjusting component, the two auxiliary lifting components are respectively connected with two ends of the supporting plate, and the two auxiliary lifting components are respectively connected with the top and the bottom of the rack;

the adjusting assembly comprises a fixing part and an adjusting part, the fixing part is connected with the supporting plate, the fixing part of the adjusting part is connected with the rack, and the movable part of the adjusting part is connected with the fixing part in a sliding manner;

the movable part of the adjusting part moves relative to the fixed part, and the driving force for moving the fixed part and the supporting plate along the vertical direction can be given to enable the supporting plate to move along the vertical direction under the assistance of the auxiliary lifting assembly.

Optionally, the fixing portion of the test bed for the farmland residual film picking-up and stripping device comprises a base and a sliding block arranged on the base, and the base is connected with the supporting plate;

the fixed part of the adjusting part is a support, the movable part of the adjusting part is a sliding rod, the support is provided with a sliding sleeve, the support is fixedly connected with the rack, and the sliding rod is connected with the sliding sleeve in a sliding manner;

the sliding rod is connected with a guide driving plate, the guide driving plate is provided with an inclined hole which penetrates through two side faces and is from bottom to top, and the inclined hole is matched with the sliding block.

Optionally, aforementioned deciduate device test bench is picked up to farmland plastic film residue, it still includes: the cylinder body end of the driving cylinder is rotatably connected with the rack, and the cylinder rod end of the driving cylinder is connected with the sliding rod and used for driving the sliding rod to slide in the sliding sleeve in a reciprocating mode.

Optionally, aforementioned test bench for farmland residual film picking and stripping device, wherein the auxiliary lifting assembly comprises:

the device comprises an upper mounting seat, a lower mounting seat and a screw rod;

the upper mounting seat comprises a first base and a first frame arranged on the first base, and a threaded through hole is formed in the beam of the first frame, which is opposite to the first base;

the lower mounting seat comprises a second base and a second frame arranged on the second base, the second frame is connected with two side beams of the second base and is provided with a through slide way, one end of the screw rod is rotatably connected to a cross beam of the second frame, which is just opposite to the second base, and the other end of the screw rod is rotatably connected with the second base;

the cross beam of the first base penetrates through the slide ways of the two side beams of the second base, the threaded through hole is matched with the screw rod, the first base is connected with the rack, and the second base is connected with the supporting plate.

Optionally, aforementioned deciduate device test bench is picked up to farmland plastic film residue, wherein the frame sets up the both sides of backup pad are provided with two at least horizontal poles along vertical direction spaced, connect two at backup pad both ends supplementary lift subassembly respectively with be located the first horizontal pole at frame top is connected, and with be located the frame bottom the second horizontal pole is connected.

Optionally, in the test bed for the farmland residual film picking and stripping device, the first horizontal cross rod is provided with a strip-shaped hole, and the auxiliary lifting assembly is connected with the strip-shaped hole through a bolt;

the second horizontal cross rod is provided with a long strip-shaped hole, and the auxiliary lifting assembly is in bolt connection with the long strip-shaped hole;

wherein, adjust two the hookup location in supplementary lifting unit and rectangular shape hole can adjust the backup pad is with the contained angle of horizontal direction.

Optionally, aforementioned deciduate device test bench is picked up to farmland plastic film residue, it still includes:

mulching film reversal lower sliding plate, mulching film reversal lower sliding plate with the frame is connected, mulching film reversal lower sliding plate is located drive roller falling film one side, mulching film reversal lower sliding plate's one end with the demoulding dish is close, mulching film reversal lower sliding plate's the other end extends to the downside to one side, mulching film reversal lower sliding plate is 67-72 degrees with the horizontal plane, is used for leading the incomplete membrane that drops to the place ahead of second roll body.

Optionally, aforementioned deciduate device test bench is picked up to farmland plastic film residue, it still includes:

the scraper plate is connected with the rack, the scraper plate is arranged above one side, away from the follower roller, of the second roller body, and the scraper plate is used for removing soil or sundries adhered to the second roller body.

Optionally, aforementioned deciduate device test bench is picked up to farmland plastic film residue, it still includes:

a traction portion disposed on the frame.

By means of the technical scheme, the test bed of the farmland residual film picking and stripping device at least has the following advantages:

the test bed for the residual film picking and stripping device for the farmland, provided by the embodiment of the invention, is characterized in that a rack of the test bed is provided with an internal accommodating space, two opposite supporting plates are arranged in the internal accommodating space, two ends of each supporting plate can be rotatably connected with a driving roller and a driven roller of the residual film picking and stripping device, so that the residual film picking and stripping device is installed, the driving roller can rotate and drive a picking spike-tooth chain plate to drive through a driving part connected with traction equipment, and the picking and stripping actions of the residual film picking and stripping device in the actual working state are simulated; the test bed is also provided with a first roller body and a second roller body on two sides of a bottom follow-up roller of the frame, so that the whole test bed can walk on the ground under the driving of traction equipment, the first roller body can crush soil on the surface of a residual film, the second roller body can press the residual film falling to the ground after being picked up, and the verification of a picking-up and stripping device can be carried out in a soil tank test chamber by matching with the transmission of a picking-up tooth chain plate; in addition, two backup pads can also be relative frame up-and-down motion under elevating gear's effect, can adjust like this and pick up the distance that the spike tooth inserted ground on the spike tooth link joint, can further verify that the plastic film residue picks up the stripping device and has the best operating condition of picking up under the parameter of the distance that what kind of spike tooth inserted ground.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 is a schematic view showing a first visual angle structure of a test bed of a farmland residual film picking and stripping device;

FIG. 2 is a schematic diagram showing a second view structure of a test bed of a farmland residual film picking and stripping device;

FIG. 3 is a schematic view showing a first visual angle structure of a test bed of a farmland residual film picking and stripping device after the residual film picking and stripping device is installed;

FIG. 4 is a schematic diagram showing a second view structure of a farmland residual film picking and stripping device test bed with a residual film picking and stripping device installed;

FIG. 5 is a schematic structural diagram of an adjusting assembly of a test bed of a farmland residual film picking and stripping device;

FIG. 6 is a schematic view showing another adjusting component of a test bed of a farmland residual film picking and stripping device;

fig. 7 schematically shows a structural schematic diagram of an auxiliary lifting assembly of a test bed of the farmland residual film picking-up and stripping device.

The reference numerals in fig. 1-7 are:

the mulching film reverse rotation device comprises a rack 1, a first horizontal cross bar 11, a second horizontal cross bar 12, a long-strip-shaped hole 13, a supporting plate 2, a lifting device 3, an auxiliary lifting assembly 31, an upper mounting seat 311, a first base 3111, a first frame 3112, a lower mounting seat 312, a second base 3121, a second frame 3122, a slide way 3123, a screw 313, an adjusting assembly 32, a fixing part 321, a base 3211, a slider 3212, an adjusting part 322, a support 3221, a sliding rod 3222, an inclined hole 3223, a driving roller 4, a follower roller 5, a first roller body 6, a second roller body 7, a driving cylinder 8, a mulching film reverse rotation lower sliding plate 9, a scraper plate 10, a traction part 14, a film stripping disc 15, a picking spike-tooth chain plate 16 and spike teeth 17.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

As shown in fig. 1 to 4, an embodiment of the invention provides a test bed for a farmland residual film picking and stripping device, comprising:

the film picking and stripping machine comprises a frame 1, a film picking and stripping device and a film stripping device, wherein an inner accommodating space is formed for accommodating a residual film picking and stripping device;

the two support plates 2 are arranged oppositely in the inner accommodating space and are connected to two sides of the support through a lifting device 3;

the first roller body 6 and the second roller body 7 are parallel to a connecting line of the lower ends of the two supporting plates 2, are respectively positioned on two sides of the lower end of the supporting plate 2 and are rotatably connected with the bottom of the rack 1;

during testing, a driving roller 4 of the residual film picking and stripping device is rotatably connected with the upper ends of the two supporting plates 2, a follower roller 5 of the residual film picking and stripping device is rotatably connected with the lower ends of the two supporting plates 2, and one end of the driving roller 4 is connected with one end of the first roller body 6 through a transmission chain and is used for transmitting power to the first roller body 6; when the spike teeth 17 of the picking spike tooth chain plate 16 of the residual film picking and stripping device move to the position where the follower roller 5 is close to the ground, the spike teeth 17 protrude a first distance from one side, close to the ground, of the first roller body 6; when the lifting device 3 is adjusted, the supporting plate 2 can be adjusted to and fro along the vertical direction relative to the machine frame 1 so as to adjust the first distance of the protrusion of the spike teeth 17 (the distance is the distance that the spike teeth 17 can be inserted into the ground).

Specifically, incomplete membrane pickup demoulding device includes drive roller 4, follower roller 5, the spaced a plurality of deciduate dishes 15 of installing on drive roller 4 surface, and encircle on drive roller 4 and follower roller 5 and lie in a plurality of pickup spike tooth link plates 16 between adjacent deciduate dishes 15 respectively, after drive roller 4 rotates, can make a plurality of pickup spike tooth link plates 16 drive, and then the spike tooth 17 on a plurality of pickup spike tooth link plates 16 can insert in the incomplete membrane on ground, picks up the incomplete membrane, and when the incomplete membrane moved to a plurality of deciduate dishes 15 positions, because the height of pickup spike tooth link plate 16 is less than deciduate dish 15, then deciduate dish 15 takes off the incomplete membrane.

Frame 1 is the support body structure that is used for bearing backup pad 2, first roll body 6 and second roll body 7 to and provide the inside accommodation space of holding plastic film residue pick-up demoulding device, and the concrete shape of frame 1 can be decided according to the needs of installation pick-up demoulding device, but need guarantee to have the inside accommodation space of suitable size, so that can be used for experimental plastic film residue pick-up demoulding device in the holding, for example can be the frame construction that encloses into the approximate rectangle of a week. The frame 1 can be made of steel by welding or aluminum alloy sections by connection. The frame 1 may be provided with mounting structures, such as bolt holes, bearing seats, etc., for mounting the support plate 2, the first roller body 6, and the second roller body 7.

The supporting plate 2 needs to be a metal plate body with certain strength, such as a steel plate, the supporting plate 2 can be set to be a long strip plate with certain width, then the two supporting plates 2 are oppositely arranged in the accommodating space inside the frame 1 and are connected with the two sides of the frame 1 through the lifting device 3, and thus the position of the supporting plate 2 in the vertical direction relative to the frame 1 can be adjusted by controlling the lifting device 3. The included angle between the support plate 2 and the vertical direction may be 56-60 degrees, for example, 56 degrees, 57 degrees, 58 degrees, 59 degrees, 60 degrees; the lifting device 3 can be any device capable of moving the support plate 2 in the vertical direction, and can be, for example, a hydraulic device, a mechanical adjusting device, etc. In addition, the number of the support plates 2 is two, and the connection structure, position and manner thereof are the same, so that the description of the connection manner, position and the like of one support plate 2 can be equally applied to the other support plate 2.

The first roller body 6 and the second roller body 7 may have the same structure, and both of them are parallel to a connection line of the lower ends of the two support plates 2, and parallel to the follower roller 5, and are disposed at the bottom of the frame 1, and are located at both sides of the lower end of the support plates 2, the first roller body 6 and the second roller body 7 may be mounted at the bottom of the frame 1 through a manufacturing process with a bearing, or may be fixed at the bottom of the frame 1 through a bearing seat, and then are rotatably connected with the first roller body 6 and the second roller body 7, or may have other rotation connection modes, which is not limited in the embodiment of the present invention.

The connection between the driving roller 4 and the supporting plate 2 can be through the end shaft connection at both ends of the driving roller 4, and the connection position can be provided with a bearing and other conventional structures for smooth rotation connection, which are not described herein. It should be noted that the driving roller 4 needs to be connected with the upper ends of the two supporting plates 2, and the horizontal state needs to be ensured after the connection, so that after the residual film picking and stripping device is connected, the actual film picking action can be simulated. The drive roller 4 may be driven in rotation by a gear or chain of the tractor.

The connection mode of the follower roller 5 and the support plate 2 can be the same as that of the drive roller 4, namely, the follower roller is connected with the support plate 2 through a shaft at the end part and can also be rotatably connected through a bearing, so that the smooth rotation is ensured. The follower roller 5 is also required to be horizontally maintained after being connected with the support plate 2 so as to surround the pick-up tooth chain plate 16 of the residual film pick-up and release device together with the drive roller 4. Wherein, the follower roller 5 is close to the bottom of the frame 1, so that the picking spike-tooth chain plate 16 can be close to the ground, and then the spike teeth 17 on the picking spike-tooth chain plate 16 can be inserted into the ground, and further the residual film on the ground is taken up.

The test bed of the farmland residual film picking and stripping device provided by the embodiment of the invention is divided into a top part and a bottom part, and also comprises a moving front part and a moving rear part, wherein the top part and the bottom part correspond to positions far away from the ground and close to the ground, and the moving front part and the moving rear part correspond to the front part and the rear part of the test bed in the moving direction of the residual film picking and stripping device driven by the test bed. The first roller body 6 is located in the front of the movement of the test bed of the farmland residual film picking-up and stripping device, and the second roller body 7 is located in the rear of the movement of the test bed of the farmland residual film picking-up and stripping device. First roll body 6 is used for pressing in the plastic film residue top, with the covering crushing of plastic film residue top, is about to the soil crushing, and the plastic film residue is picked up to the spike-tooth 17 of picking up spike-tooth chain board 16 of being convenient for the plastic film residue pick-up and take off the membrane residue, and second roll body 7 is used for suppressing the plastic film residue and picks up the plastic film residue that takes off the membrane residue that takes off dish 15 of taking off the membrane residue and taking off the membrane residue. In addition, the first roller body 6 and the second roller body 7 also have a depth-limiting function.

According to the test bed for the residual film picking and stripping device for the farmland, which is provided by the embodiment of the invention, the rack 1 is provided with an internal accommodating space, the two opposite supporting plates 2 are arranged in the internal accommodating space, and two ends of each of the two supporting plates 2 can be rotatably connected with the driving roller 4 and the driven roller 5 of the residual film picking and stripping device, so that the residual film picking and stripping device is installed, the driving roller 4 can be rotated and drives the picking spike-tooth chain plate 16 to transmit through the driving part connected with the traction equipment, and the picking and stripping actions of the residual film picking and stripping device in the actual working state are simulated; the test bed is also provided with a first roller body 6 and a second roller body 7 on two sides of a bottom follow-up roller 5 of the frame 1, so that the whole test bed can walk on the ground under the driving of traction equipment, the first roller body 6 can crush soil on the surface of a residual film, the second roller body 7 can press the residual film falling to the ground after being picked up, and the verification of a picking-up and stripping device can be carried out in a soil tank test chamber by matching with the transmission of a nail picking-up tooth 17 chain plate; in addition, the two supporting plates 2 can also move up and down relative to the frame 1 under the action of the lifting device 3, so that the distance between the spike teeth 17 on the picking spike tooth chain plate 16 and the ground can be adjusted, and the optimal picking working state of the residual film picking and stripping device under the parameter of the distance between the spike teeth 17 and the ground can be further verified.

As shown in fig. 1-6, in the specific implementation, two sets of the lifting devices 3 are respectively connected to one of the supporting plates 2 and one side of the rack 1;

the lifting device 3 comprises two auxiliary lifting components 31 and an adjusting component 32, the two auxiliary lifting components 31 are respectively connected with two ends of the supporting plate 2, and the two auxiliary lifting components 31 are respectively connected with the top and the bottom of the rack 1;

the adjusting assembly 32 comprises a fixing part 321 and an adjusting part 322, the fixing part 321 is connected with the supporting plate 2, the fixing part of the adjusting part 322 is connected with the frame 1, and the movable part of the adjusting part 322 is slidably connected with the fixing part 321;

the movable part of the adjusting part 322 is moved relative to the fixing part 321, and the fixing part 321 and the support plate 2 can be driven by a driving force to move in the vertical direction, so that the support plate 2 can move in the vertical direction with the aid of the auxiliary lifting assembly 31.

Specifically, the auxiliary lifting assembly 31 may be connected to the frame 1 by bolts, or may be connected to the support plate 2 by bolts or welding. The connection of the adjustment assembly 32 to the frame 1 and the support plate 2 may be by means of a bolt connection.

Further, the fixing portion 321 includes a base 3211 and a slider 3212 disposed on the base 3211, wherein the base 3211 is connected to the supporting plate 2;

the fixed part of the adjusting part 322 is a support 3221, the movable part of the adjusting part 322 is a sliding rod 3222, the support 3221 is provided with a sliding sleeve, the support 3221 is fixedly connected with the rack 1, and the sliding rod 3222 is slidably connected with the sliding sleeve;

a guide driving plate is connected to the sliding rod 3222, the guide driving plate is provided with an inclined hole 3223 which penetrates through two side surfaces and is arranged from bottom to top, and the inclined hole 3223 is matched with the slider 3212.

Specifically, when the depth of the spike teeth 17 of the picked-up spike-tooth chain plate 16 inserted into the ground needs to be adjusted, that is, the picking-up effect is adjusted, the slide rod 3222 of the sliding adjusting portion 322 can be used, then the slide block 3212 of the fixing portion 321 is driven to move by the inclined holes 3223 of the slide rod 3222, further the driving force adjusted up and down is transmitted to the fixing portion 321, finally the fixing portion 321 is transmitted to the supporting plate 2, the driving roller 4, the follower roller 5 and the residual film picking-up and film removing device installed on the driving roller 4 and the follower roller 5 are driven to move in the vertical direction by the supporting plate 2, and finally the convex first distance of the spike teeth 17 of the picked-up spike-tooth chain plate 16 is adjusted, that is, the depth of the picked-up spike-tooth chain plate 16 inserted into the ground is adjusted.

It should be noted that the lifting devices 3 are provided in two sets, each set includes two auxiliary lifting assemblies 31 and two adjusting assemblies 32, each set of lifting device 3 is connected with the support plate 2 and the frame 1 on one side, and only one auxiliary lifting assembly 31 and one adjusting assembly 32 are described above for convenience of description. In another embodiment, it is also possible to connect all the components of the lifting device 3, i.e. to connect two auxiliary lifting assemblies 31 and the adjustment assembly 32, on one side of the support plate 2, and to connect only the auxiliary lifting assembly 31 on the other side of the support plate 2.

In the specific implementation, as shown in fig. 6, the sliding adjustment of the sliding rod 3222 may be manually adjusted manually or automatically adjusted by providing a driving cylinder 8, so that the embodiment of the present invention may further include a driving cylinder 8, a cylinder end of the driving cylinder 8 is rotatably connected to the frame 1, and a cylinder rod end of the driving cylinder 8 is connected to the sliding rod 3222, for driving the sliding rod 3222 to slide back and forth in the sliding sleeve.

Specifically, the driving cylinder 8 can be a hydraulic cylinder or a pneumatic cylinder, and can be controlled by agricultural machinery for driving a test bed of the farmland plastic residue pickup and separation device to move, or a hydraulic system or a pneumatic system can be additionally arranged on the test bed of the farmland plastic residue pickup and separation device, and the driving control of the driving cylinder 8 is carried out by manually pressing the control key through setting the control key, so that the semi-automatic adjustment is finally realized.

As shown in fig. 7, in a specific implementation, the auxiliary lifting assembly 31 includes: an upper mount 311, a lower mount 312, and a screw 313;

the upper mounting seat 311 includes a first base 3111 and a first frame 3112 disposed on the first base 3111, and a threaded through hole is disposed on a beam of the first frame 3112 facing the first base 3111;

the lower mounting seat 312 comprises a second base 3121 and a second frame 3122 arranged on the second base 3121, the second frame 3122 is connected with the two side beams of the second base 3121 and is provided with a through slideway 3123, one end of the screw 313 is rotatably connected with the cross beam of the second frame 3122 opposite to the second base 3121, the other end of the screw 313 is rotatably connected with the second base 3121;

the cross beam of the first base 3111 is inserted into the slide ways 3123 of the two side beams of the second base 3121, the threaded through hole is matched with the screw 313, the first base 3111 is used for being connected with the rack 1, and the second base 3121 is used for being connected with the support plate 2.

Specifically, the first base 3111 of the upper mounting seat 311 may be connected to the frame 1 through a bolt, the second base 3121 of the lower mounting seat 312 may be connected to the support plate 2 through a welding or a bolt, or the second base 3121 may be rotatably connected to the driving roller 4 or the follower roller 5 through an end shaft of the support plate 2, so as to indirectly achieve the connection with the support plate 2. The first frame 3112 of the upper mounting seat 311 is rectangular as a whole, the second frame 3122 of the lower mounting seat 312 is also rectangular as a whole, and a tapered roller bearing may be provided at a rotational connection between the screw 313 and the lower mounting seat 312.

Wherein, supplementary lifting unit 31's theory of operation does: after the adjusting assembly 32 adjusts the position of the support plate 2 relative to the frame 1 in the vertical direction, the upper mounting seat 311 can slide up and down relative to the lower mounting seat 312, that is, the cross beam of the upper mounting seat 311 slides in the slide way 3123 of the lower mounting seat 312, and simultaneously the screw 313 rotates relative to the threaded through hole of the cross beam of the upper mounting seat 311, so as to adjust the height of the upper mounting seat 311 and the lower mounting seat 312, and further assist in adjusting the vertical direction of the support plate 2.

As shown in fig. 1 to 4, in a specific implementation, at least two horizontal cross bars are disposed at two sides of the frame 1, where the support plate 2 is disposed, and the two auxiliary lifting assemblies 31 connected to two ends of the support plate 2 are respectively connected to the first horizontal cross bar 11 located at the top of the frame 1 and the second horizontal cross bar 12 located at the bottom of the frame 1.

Further, the first horizontal cross bar 11 is provided with a long-strip-shaped hole (not shown in the figure), and the auxiliary lifting assembly 31 is connected with the long-strip-shaped hole through a bolt; the second horizontal cross bar 12 is provided with a strip-shaped hole 13, and the auxiliary lifting assembly 31 is in bolted connection with the strip-shaped hole 13; wherein, adjust two the hookup location of supplementary lifting unit 31 and rectangular shape hole 13 can adjust the contained angle of backup pad 2 and horizontal direction.

Specifically, the first base 3111 of the upper mounting seat 311 of the auxiliary lifting assembly 31 is bolted to the elongated hole 13 on the first horizontal cross bar 11 through a bolt, or the first base 3111 is bolted to the elongated hole 13 on the second horizontal cross bar 12 through a bolt. When the angle of the supporting plate 2 needs to be adjusted, that is, the test angle of the plastic film residue picking and stripping device is adjusted, the angle of the supporting plate 2 in the horizontal direction can be adjusted by respectively adjusting the connection positions of the two auxiliary lifting assemblies 31 and the elongated hole 13 on the supporting plates 2 on the two sides, and meanwhile, the upper mounting seat 311 and the lower mounting seat 312 of the auxiliary lifting assemblies 31 can also slide relatively for a certain distance to assist in adjusting the connection positions.

As shown in fig. 3 and 4, in a specific implementation, the test bed of the farmland residual film picking and stripping device provided by the embodiment of the invention further comprises:

slide 9 under the plastic film reversal, slide 9 under the plastic film reversal with frame 1 is connected, slide 9 under the plastic film reversal is located drive roller 4 membrane one side that falls, slide's one end under the plastic film reversal with it is close to take off membrane dish 15, slide 9's the other end extends to the one side under the plastic film reversal, slide 9 is personally submitted 67-72 degrees with the horizontal plane under the plastic film reversal and is used for leading the incomplete membrane that drops to the place ahead of second roller 7.

Specifically, through the setting of slide 9 under the plastic film reversal, can give and pick up and lead through the incomplete membrane after the deciduate of deciduate dish 15, make it fall in the place ahead of second roller body 7, realize the suppression to incomplete membrane after second roller body 7 moves, and then the work of membrane is picked up in simulation that can be continuous. It should be noted that the other end of the mulching film reverse rotation lower slide plate 9 may extend obliquely downward to a position lower than the top surface of the second roller body 7.

In the specific implementation as shown in fig. 3 and 4, the test bed of the farmland residual film picking and stripping device provided by the embodiment of the invention further comprises:

the scraper blade 10, the scraper blade 10 with the frame 1 is connected, the scraper blade 10 sets up the second roll body 7 is kept away from the top of follower roller 5 one side, the scraper blade 10 is used for getting rid of the soil or debris of second roll body 7 adhesion.

Specifically, the second roller body 7 can be effectively removed through the arrangement of the soil shoveling plate 10, and the adhered soil or sundries can be pressed to form the residual film, so that the subsequent pressing work can be smoothly carried out.

In addition, in order to increase the friction force of the first roller 6, a rubber layer may be disposed on the surface of the first roller 6, and the rubber layer may be disposed at intervals along the length direction.

As shown in fig. 3 and 4, in a specific implementation, the test bed of the farmland residual film picking and stripping device provided by the embodiment of the invention further comprises:

and the traction part 14 is arranged on the frame 1 and is positioned on one side, away from the follower roller 5, of the second roller body 7.

Specifically, the traction portion 14 may be any structure that facilitates traction of an agricultural machine, such as a rod, a ring, or the like.

In a specific implementation, an end shaft of the driving roller 4 penetrates through the support plate 2 and is connected with a first gear, a transmission gear is rotatably arranged on the frame 1, and a second gear is arranged at one side end of the first roller body 6; the number of the transmission chains is two, one transmission chain is connected with the first gear and the transmission gear, and the other transmission chain is connected with the transmission gear and the second gear.

Specifically, an external drive such as that of an agricultural machine may be directly connected to the end shaft of the drive roller 4 and then transmitted to the first roller body 6 through the first gear, the transmission gear, and the second gear described above.

It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.