CN210168486U - Cutting force measuring device for vegetable harvesting - Google Patents

Cutting force measuring device for vegetable harvesting Download PDF

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Publication number
CN210168486U
CN210168486U CN201920867916.5U CN201920867916U CN210168486U CN 210168486 U CN210168486 U CN 210168486U CN 201920867916 U CN201920867916 U CN 201920867916U CN 210168486 U CN210168486 U CN 210168486U
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CN
China
Prior art keywords
cutting
fixing plate
shaft sleeve
cutter
measuring device
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Expired - Fee Related
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CN201920867916.5U
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Chinese (zh)
Inventor
Kai Zhou
周凯
Zhiwei Meng
孟志伟
Jipeng Wu
吴吉鹏
Tianhua Li
李天华
Jialin Hou
侯加林
Xiaojun Long
龙晓军
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Shandong Agricultural University
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Shandong Agricultural University
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Priority to CN201920867916.5U priority Critical patent/CN210168486U/en
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Abstract

The utility model relates to a cutting measuring force device towards vegetables results, include cutting device and the fixing base that is located the cutting device rear, cutting device passes through pressure sensor with the fixing base and is connected. The utility model can change the contact position of the disc cutter and the nodulation vegetable root and stem through the extension and retraction of the screw rod, realize the change of the cutting position and effectively reduce the cutting reaction force; the overlapping amount of the two disc cutters can be adjusted by adjusting the relative position of the front fixing plate and the shaft sleeve, so that the incomplete cutting is prevented, and the unbalance of the cutting force is overcome; the cutting reaction force of the cutter in the cutting process can be measured in real time, and the cutting combination is better conveniently obtained by adjusting different cutting positions and cutting with different overlapping quantities.

Description

Cutting force measuring device for vegetable harvesting
Technical Field
The utility model relates to the field of agricultural machinery, especially, relate to results cutting field of nodulizing class vegetables, specifically indicate a cutting measuring force device towards vegetables results.
Background
Nodulated vegetables are widely planted in China, and corresponding harvesters are used for harvesting in a small part of regions. However, the existing harvester is not provided with a corresponding cutting measuring device, so that the cutting reaction force applied to the cutter of the harvester in the actual cutting process cannot be measured, and a better cutting combination cannot be found.
Disclosure of Invention
The utility model discloses to prior art's is not enough, a cutting measuring force device towards vegetables results is provided, mainly be applicable to the cutting reaction force that measures two disc knives cutting nodulation class vegetable root and stem in-process and receive, can adjust cutting position, cutting overlap volume according to actual conditions in cutting process, measure the size of the cutting reaction force that disc cutter received when different cutting position and different overlap volume cutting in the cutting process in real time, thereby conveniently determine better cutting combination, the cutting combination that cutting reaction force is less promptly.
The utility model discloses a following technical scheme realizes, provides a cutting measuring force device towards vegetables results, include cutting device and the fixing base that is located the cutting device rear, cutting device passes through pressure sensor with the fixing base and is connected.
This scheme is when using, with the fixed setting of fixing base, can the rigid coupling in the harvester frame, during the results cutting, cutting device applys the cutting force to the vegetables rhizome, receives the cutting reaction force simultaneously, and the cutting reaction force passes to pressure sensor and applys pressure to pressure sensor, measures the cutting reaction force that the cutting knife received through pressure sensor, makes things convenient for the staff to know.
As optimization, the fixing base includes the after-fixing board with harvester frame rigid coupling, with the bolt adjusting plate of pressure sensor rigid coupling, and pass the screw rod of after-fixing board and bolt adjusting plate, the screw rod passes through the nut with after-fixing board, bolt adjusting plate and fixes. This optimization scheme is behind not hard up nut, with the screw rod forward or backward twitch to drive cutting device through bolt adjusting plate and pressure sensor and remove, and then changed the relative position between cutter and the vegetables rhizome, realized the change of cutting position.
As an optimization, the cutting device further comprises a sliding rail which is fixed on the rear fixing plate in a penetrating mode and is parallel to the screw rod, and a sliding block which is connected to the sliding rail in a sliding mode, and the cutting device is installed on the sliding block. This optimization scheme is through setting up slide rail and slider, and the flexibility is higher when adjusting cutting device's position through the screw rod, and it is more laborsaving to operate.
Preferably, the two screws are parallel to each other, and the axes of the two screws are located on two sides of the pressure sensor. The setting of this optimization scheme screw rod position and quantity, it is more steady when the position of adjustment cutting device, avoids cutting device to appear the incline.
Preferably, the left end and the right end of the rear fixing plate are respectively and fixedly connected with a left baffle and a right baffle which extend towards the side where the cutting device is located. This optimization scheme plays the guard action through setting up left baffle and right baffle to pressure sensor and cutting device's driving motor.
Preferably, the cutting device comprises a front fixing plate fixedly connected with the pressure sensor, two cutter motors fixedly mounted on the front fixing plate, and two cutters respectively driven by the two cutter motors, wherein the cutting edges of the two cutters form cutting edges, and the cutters are disc cutters. This optimization scheme adopts the structure that two cutter motors drive two cutters respectively, and power is sufficient to the cutting edge of two cutters forms the cutting edge, has improved cutting efficiency, for convenient the arranging, arranges about two cutters, and the distance that the two cutter radius sums is not less than two cutter centre of a circle.
Preferably, the output end of the cutter motor is connected with a bevel gear gearbox, an output shaft of the bevel gear gearbox is connected with the cutter, a box body of the bevel gear gearbox is fixedly connected with a shell of the cutter motor through a shaft sleeve, and the shaft sleeve penetrates through and is fixed on the front fixing plate along the front-back direction. This optimization scheme carries changing to of power through the bevel gear gearbox, and simple structure through setting up the axle sleeve with the casing rigid coupling of gearbox box and cutter motor as an organic whole, has made things convenient for the installation of bevel gear gearbox and cutter motor fixed.
Preferably, a shaft sleeve flange connected with the front fixing plate through a fastening bolt is fixedly arranged on the shaft sleeve, a shaft sleeve mounting elongated slot for the shaft sleeve to pass through and a flange bolt mounting elongated slot for the fastening bolt to pass through are formed in the front fixing plate, the width and the length of the shaft sleeve mounting elongated slot are both larger than the outer diameter of the shaft sleeve, and the length and the width of the flange bolt mounting elongated slot are both larger than the outer diameter of the fastening bolt. According to the optimized scheme, the cutting device is mounted through the bolt connection of the shaft sleeve flange and the front fixing plate, the dismounting is convenient, the left-right distance between the two cutters can be adjusted due to the arrangement of the shaft sleeve mounting long groove, and the up-down relative position of the two cutters can be adjusted due to the arrangement of the flange plate bolt mounting long groove, so that the cutting overlapping amount of the two cutters can be adjusted conveniently.
Preferably, the front fixing plate is provided with a soil discharging groove between the two cutter motors. The soil discharging groove arranged by the optimized scheme is used for timely discharging the piled soil in the cutting and measuring working process, and can be a square groove.
The use method of the cutting force measuring device for vegetable harvesting comprises the following steps:
1. adjusting the cutting position: loosening a nut connected with the screw rod and the rear fixing plate, drawing the screw rod forwards or backwards, driving the front fixing plate to move through the screw rod through the pressure sensor, meanwhile, sliding a sliding block fixedly connected with the front fixing plate on the sliding rail, and screwing the nut after the sliding block is adjusted to a proper position;
2. adjusting the cutting overlapping amount: adjusting the vertical position of a fastening bolt on a mounting elongated slot of a flange plate bolt to enable two disc cutters to be staggered by a certain gap, and then adjusting the left and right positions of a shaft sleeve on the mounting elongated slot of the shaft sleeve to enable the two disc cutters to be arranged with a certain overlapping amount, wherein the adjusting range of the overlapping amount is 0-40 mm;
3. after the harvester is started, the double-disc cutter works under the driving of the cutter motor, the cutting reaction force of the double-disc cutter in the cutting process is measured in real time through the pressure sensor, and data measured by the sensor is transmitted to the computer end through the controller.
The utility model has the advantages that: the contact position of the disc cutter and the nodulated vegetable roots and stems can be changed through the expansion and contraction of the screw rod, so that the change of the cutting position is realized, and the cutting reaction force is effectively reduced; the overlapping amount of the two disc cutters can be adjusted by adjusting the relative position of the front fixing plate and the shaft sleeve, so that the incomplete cutting is prevented, and the unbalance of the cutting force is overcome; the cutting reaction force of the cutter in the cutting process can be measured in real time, and the cutting combination is better conveniently obtained by adjusting different cutting positions and cutting with different overlapping quantities.
Drawings
FIG. 1 is a front view of the cutting force measuring device of the present invention;
FIG. 2 is a top view of the cutting force measuring device of the present invention;
FIG. 3 is a left side view of the cutting force measuring device of the present invention;
FIG. 4 is a perspective view of the cutting force measuring device of the present invention;
fig. 5 is a schematic structural view of the front fixing plate and the rear fixing plate of the present invention;
fig. 6 is a schematic view of the installation of the pressure sensor of the present invention;
FIG. 7 is a schematic structural view of the cutting device of the present invention;
shown in the figure:
1. the device comprises a front fixing plate, a rear fixing plate, a right fixing plate, a left fixing plate, a slide rail mounting groove, a screw mounting hole, a sensor bolt mounting hole, a shaft sleeve mounting elongated groove, a flange bolt mounting elongated groove, a slide rail, a soil discharging groove, 11, a screw, 12, a bolt adjusting plate, 13, a slide block, 14, a slide rail, 15, a slide block fixing plate, 16, a slide rail fixing plate, 17, a pressure sensor, 18, a sensor front connecting bolt, 19, a sensor rear connecting bolt, 20, a cutter motor, 21, a shaft sleeve, 22, a bevel gear box, 23, a cutter, 24, a cutter gasket, 25, an output.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1-7, the cutting force measuring device for vegetable harvesting comprises a cutting device and a fixed seat which is located behind the cutting device and is fixedly arranged, wherein the cutting device is connected with the fixed seat through a pressure sensor 17, and a front end and a rear end of the pressure sensor are fixedly connected with a front sensor connecting bolt 18 and a rear sensor connecting bolt 19 respectively.
The cutting device comprises a front fixing plate 1 fixedly connected with the pressure sensor, two cutter motors 20 fixedly arranged on the front fixing plate, and two cutters 23 respectively driven by the two cutter motors, wherein the front fixing plate is provided with a sensor bolt mounting hole 7. The cutting edges of the two cutters form cutting edges, the cutters are disc cutters, the two cutters are arranged in a left-right mode, and the sum of the radiuses of the two cutters is not smaller than the distance between the centers of circles of the two cutters. The output end of the cutter motor is connected with a bevel gear gearbox 22, an output shaft 25 of the bevel gear gearbox is installed in a matched mode with a cutter gasket 24, the cutter 23 is installed in a close fit mode with the cutter gasket 24, the cutter 23 is connected with the cutter gasket 24 through bolts, therefore, connection of the cutter and the output shaft of the gearbox is achieved, a box body of the bevel gear gearbox is fixedly connected with a shell of the cutter motor through a shaft sleeve 21, and the shaft sleeve penetrates through and is fixed on a front fixing plate in the front-back direction. The cutting work is realized by the rotation of a cutter motor in the adjustable transmission mechanism driving the cutter, and the measurement work is realized by related components of a pressure sensor in the adjustable bolt force measuring mechanism.
The shaft sleeve 21 is fixedly provided with a shaft sleeve flange 27 connected with the front fixed plate through a fastening bolt, and the cutter motor flange 26 is fixedly connected with the shaft sleeve flange. The front fixing plate 1 is provided with a shaft sleeve mounting elongated slot 8 for a shaft sleeve 21 to pass through and a flange plate bolt mounting elongated slot 9 for a fastening bolt to pass through, the width and the length of the shaft sleeve mounting elongated slot are both larger than the outer diameter of the shaft sleeve, the shaft sleeve can move left and right on the shaft sleeve mounting elongated slot 8 within a moving range of 0-40mm, the length and the width of the flange plate bolt mounting elongated slot are both larger than the outer diameter of the fastening bolt, and the fastening bolt can move up and down in the flange plate bolt mounting elongated slot 9 on the front fixing plate within a moving range of 0-3 mm. The soil discharging groove 10 between the two cutter motors is further formed in the front fixing plate, is a square groove and is mainly used for timely discharging soil heaps in the cutting and measuring working process.
Different plane arrangement of the left and right disc cutters 23 can be realized by adjusting the upper and lower positions of the fastening bolt in the flange bolt mounting elongated slot 9, namely, a gap with a certain distance exists between the upper and lower parts of the two disc cutters 23. The overlapping arrangement of the two circular cutters can be realized by adjusting the left and right positions of the shaft sleeve 21 on the long mounting groove 8 of the shaft sleeve of the front fixing plate. The arrangement of the overlapping amount of the two disc cutters can be realized by the following processes: the upper and lower positions of the fastening bolt on the flange bolt mounting elongated slot 9 are adjusted firstly, so that a certain gap is formed between the two disc cutters, and then the left and right positions of the shaft sleeve 21 on the shaft sleeve mounting elongated slot 8 are adjusted, so that the two disc cutters are arranged with a certain overlapping amount, and the adjusting range of the overlapping amount is 0-40 mm.
The fixing seat comprises a rear fixing plate 2 fixedly connected with a harvester frame, a bolt adjusting plate 12 fixedly connected with a pressure sensor, and a screw rod 11 penetrating through the rear fixing plate and the bolt adjusting plate, wherein a shaft sleeve installation long groove opposite to the cutter motor and a screw rod installation hole 6 matched with the screw rod are formed in the rear fixing plate, the screw rod is fixed with the rear fixing plate and the bolt adjusting plate through nuts, and a connecting bolt behind the sensor is fixed with the bolt adjusting plate through nuts. The two parallel screws are arranged, and the axes of the two screws are positioned at two sides of the pressure sensor. The left end and the right end of the rear fixing plate 2 are fixedly connected with a left baffle 4 and a right baffle 3 which extend towards the side where the cutting device is located, the front fixing plate and the rear fixing plate are parallel to each other, and the left baffle and the right baffle are parallel to each other.
Still including wearing to establish on the fixed back fixed plate and with the parallel slide rail 14 of screw rod to and sliding connection in slider 13 on the slide rail 14, the slide rail front end passes the front fixed plate, all sets up the slide rail mounting groove 5 that supplies the slide rail to pass on fixed back plate and the front fixed plate, cutting device installs on the slider. Specifically, a slider fixing plate 15 is fixedly connected to the slider, and the slider fixing plate is fixedly connected to the front fixing plate. The slide rail is fixedly connected with a slide rail fixing plate 16 which is fixedly connected with the rear fixing plate.
The adjustable bolt force measuring mechanism can adjust the position of the front fixing plate 1, so that the relative position between the cutter and the vegetable roots and stems is changed, and the change of the cutting position is realized. The specific implementation process is as follows: and loosening a nut connected with the rear end of the screw rod and the rear fixing plate 2, drawing the screw rod forwards or backwards, driving the front fixing plate 1 through the bolt adjusting plate 12 and the pressure sensor, meanwhile, sliding the sliding block 13 on the front fixing plate 1 on the sliding rail 14, and screwing the nut after the sliding block is adjusted to a proper position. The change of the position of the front fixing plate 1 of the fixing mechanism is realized through the adjustment, and the relative position between the disc cutter and the vegetable rootstock is further changed. According to actual working requirements, the screw of the adjustable bolt force measuring mechanism can be pulled forwards or backwards by 30mm distances, namely the relative position of the front fixing plate 1 can be changed between-30 mm and 30 mm.
When the cutting position and the cutter overlapping amount are determined, the cutting measuring device performs cutting operation under the driving of self-walking of the harvester, and the cutting reaction force applied to the disc cutter 23 is measured in real time during the cutting operation.
The power source of cutting is the cutter motor, the utility model discloses well cutter motor adopts servo motor, and its high speed performance is good, and anti overload capacity is strong, and the operation is steady during the low-speed, can stabilize output torque during the low-speed, has realized the accurate control to motor speed to the accurate stable control to cutting speed has been realized.
The pressure sensor can measure the cutting reaction force applied to the disc cutter in the working process in real time, and the measured data can be displayed by the computer end in real time after being processed by the controller. Because left baffle and right baffle do not contact with preceding fixed plate, after-fixing board to preceding fixed plate and after-fixing board are connected through sensor subassembly, bolt adjusting plate and screw rod, contactless between cutting device and the after-fixing board, the power that so the sensor measured is the cutting reaction force that the disc cutter received in cutting process promptly.
The utility model discloses a working process: the cutting and measuring device is a working device behind the centering and guiding device of the nodulizing vegetable harvester. Adjust cutting measuring device's cutting position and cutting overlap amount in advance according to operating condition, after the harvester starts, it can be leading-in to the central line and feeding cutting measuring device with deviating the vegetables of ridge central line to right guider, two disc cutters work under the drive of cutter motor, sensor assembly can measure the cutting reaction force that two disc cutters received in the cutting process in real time, the data that the sensor surveyed can transmit the computer end through the controller, data transmission mode adopts prior art, can make wireless transmission, also can be wired transmission, specifically no longer give unnecessary details.
The utility model relates to an important component of harvester not only can realize the cutting operation, but also can real-time measurement drive mechanism execution end disc cutter receives the cutting reaction force, cuts the cutting power of measuring through more different cutting positions and different overlap volumes, for obtaining better cutting combination and provide the reference to reduce the cutting reaction force that the cutter in the cutting process received.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (9)

1. The utility model provides a cutting measuring force device towards vegetables results which characterized in that: including cutting device and the fixing base that is located the cutting device rear, cutting device passes through pressure sensor (17) with the fixing base and is connected, the fixing base includes rear fixed plate (2) with harvester frame rigid coupling, cutting device includes preceding fixed plate (1) with the pressure sensor rigid coupling.
2. A vegetable harvest oriented cutting and force measuring device according to claim 1, wherein: the fixing base further comprises a bolt adjusting plate (12) fixedly connected with the pressure sensor and a screw rod (11) penetrating through the rear fixing plate and the bolt adjusting plate, and the screw rod is fixed with the rear fixing plate and the bolt adjusting plate through nuts.
3. A vegetable harvest oriented cutting and force measuring device according to claim 2, wherein: the cutting device is characterized by further comprising a sliding rail (14) which is fixed on the rear fixing plate in a penetrating mode and is parallel to the screw rod, and a sliding block (13) which is connected to the sliding rail (14) in a sliding mode, wherein the cutting device is installed on the sliding block.
4. A vegetable harvest oriented cutting and force measuring device according to claim 2, wherein: the two parallel screws are arranged, and the axes of the two screws are positioned at two sides of the pressure sensor.
5. A vegetable harvest oriented cutting and force measuring device according to claim 2, wherein: the left end and the right end of the rear fixing plate (2) are fixedly connected with a left baffle (4) and a right baffle (3) which extend towards the side where the cutting device is located respectively.
6. A vegetable harvest oriented cutting and force measuring device according to claim 1, wherein: the cutting device also comprises two cutter motors (20) fixedly arranged on the front fixing plate and two cutters (23) respectively driven by the two cutter motors, and cutting edges of the two cutters form cutting edges.
7. A vegetable harvest oriented cutting and force measuring device according to claim 6, wherein: the output end of the cutter motor is connected with a bevel gear gearbox (22), the output shaft of the bevel gear gearbox is connected with the cutter, a box body of the bevel gear gearbox is fixedly connected with a shell of the cutter motor through a shaft sleeve (21), and the shaft sleeve penetrates through and is fixed on the front fixing plate along the front-back direction.
8. A vegetable harvest oriented cutting and force measuring device according to claim 7, wherein: the shaft sleeve (21) is fixedly provided with a shaft sleeve flange (27) connected with the front fixing plate through a fastening bolt, the front fixing plate (1) is provided with a shaft sleeve mounting long groove (8) for the shaft sleeve (21) to penetrate through and a flange bolt mounting long groove (9) for the fastening bolt to penetrate through, the width and the length of the shaft sleeve mounting long groove are both larger than the outer diameter of the shaft sleeve, and the length and the width of the flange bolt mounting long groove are both larger than the outer diameter of the fastening bolt.
9. A vegetable harvest oriented cutting and force measuring device according to claim 6, wherein: the front fixing plate is provided with a soil discharging groove (10) positioned between the two cutter motors.
CN201920867916.5U 2019-06-11 2019-06-11 Cutting force measuring device for vegetable harvesting Expired - Fee Related CN210168486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920867916.5U CN210168486U (en) 2019-06-11 2019-06-11 Cutting force measuring device for vegetable harvesting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920867916.5U CN210168486U (en) 2019-06-11 2019-06-11 Cutting force measuring device for vegetable harvesting

Publications (1)

Publication Number Publication Date
CN210168486U true CN210168486U (en) 2020-03-24

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CN201920867916.5U Expired - Fee Related CN210168486U (en) 2019-06-11 2019-06-11 Cutting force measuring device for vegetable harvesting

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111758382A (en) * 2020-07-15 2020-10-13 山东省农业科学院作物研究所 Fresh corn picking and corn straw harvesting all-in-one machine
CN112577766A (en) * 2020-12-07 2021-03-30 农业农村部南京农业机械化研究所 Castor harvesting device's test rack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111758382A (en) * 2020-07-15 2020-10-13 山东省农业科学院作物研究所 Fresh corn picking and corn straw harvesting all-in-one machine
CN112577766A (en) * 2020-12-07 2021-03-30 农业农村部南京农业机械化研究所 Castor harvesting device's test rack

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Granted publication date: 20200324