CN113575119A - Wine grape fruit base vibration separation test stand - Google Patents
Wine grape fruit base vibration separation test stand Download PDFInfo
- Publication number
- CN113575119A CN113575119A CN202110788087.3A CN202110788087A CN113575119A CN 113575119 A CN113575119 A CN 113575119A CN 202110788087 A CN202110788087 A CN 202110788087A CN 113575119 A CN113575119 A CN 113575119A
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- Prior art keywords
- half ring
- connecting rod
- ring
- separation test
- grape fruit
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
Abstract
The invention discloses a wine grape fruit base vibration separation test bed which comprises a frame, a vibration mechanism, a data acquisition unit, a sensor, a fixing ring and an air pump, wherein the vibration mechanism is arranged on the frame; the fixing ring comprises a first half ring, a second half ring, an air bag, a locking mechanism and a sliding piece, the air bags are respectively arranged in the first half ring and the second half ring, and the air pump is arranged on the frame and used for inflating the air bags; the sensor comprises a first semi-ring and a second semi-ring, wherein the first semi-ring is provided with an arc-shaped groove along the circumferential direction, the sliding part comprises an arc-shaped plate, a transverse plate and a vertical plate, two ends of the transverse plate are respectively connected with the arc-shaped plate and the vertical plate, the transverse plate penetrates through the arc-shaped groove, the vertical plate is used for mounting a sensor, and the sensor is connected with a data acquisition unit.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a wine grape fruit base vibration separation test bed.
Background
Vibration harvesting is a mechanical grape harvesting method in the prior art, and the specific method is that a vibration mechanism is used for driving grape vines to vibrate, so that mature grapes fall off. Good vibration harvesting should have the following effects: 1. the grapes on the grape vine fall off as much as possible; 2. the grape is promoted to fall off, and meanwhile, the damage to the grape vines is reduced as much as possible; 3. the initial speed at which the grapes fall off is as low as possible (reducing the probability of breakage of the grapes). The main factors influencing the vibration harvesting effect are the position of a vibration source (namely the specific connecting position of the vibration mechanism and the grape vine), the vibration frequency, the vibration amplitude, the tree age and the grape variety; in order to obtain a good harvesting result, researchers need to test various grapevines to obtain the optimal vibration parameters.
In the prior art, the test mode of researchers is as follows: selecting proper grapevines in a plantation, connecting a vibration mechanism with the grapevines, mounting a sensor on the grapevines, then performing a vibration test, collecting data of the sensor, and recording the dropping condition of the grapevines. In the prior art, a special sensor mounting tool is not provided, and researchers mainly tie the sensor on the grape vine or fix the clamping plate on the grape vine by using a bolt, and then mount the sensor on the clamping plate. The disadvantages of this test method are: 1. the sensor installation process is complex, a plurality of sensors are required to be installed on each grape vine, and the number of the grape vines tested each time is very large, so that researchers need to spend a large amount of time on the step of repeatedly disassembling and assembling the sensors; 2. the sensor is difficult to adjust, the vibration test requires the sensor to be perpendicular to the vibration plane (the sensor is cylindrical, the central axis of the sensor is consistent with the vibration direction), and once the sensor is installed, if the direction of the sensor is not correct, the clamping plate can only be detached and installed again.
Disclosure of Invention
The invention aims to solve the technical problems that a grape vibration test bed in the prior art is not beneficial to installation of a sensor, a large amount of time is needed for dismounting the sensor in the test process, and the position of the sensor is difficult to adjust.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a wine grape fruit base vibration separation test bed comprises a frame, a vibration mechanism, a data acquisition unit, a sensor, a fixing ring and an air pump;
the vibration mechanism is arranged on the frame and drives the grapevine to vibrate;
the fixing ring comprises a first half ring, a second half ring, an air bag, a locking mechanism and a sliding piece, wherein the first half ring and the second half ring are hollow, the air bag is arranged in each of the first half ring and the second half ring, and the first half ring and the second half ring can form a complete ring and are locked by the locking mechanism; the air pump is arranged on the frame and used for inflating the air bag; the locking mechanism can adopt a fixing piece such as a bolt or a clamping plate, and the locking mechanism is used for keeping the first half ring and the second half ring to be jointed, and when the air bag is inflated, the air bag is expanded and tightly clamps the grape vines in the middle;
the outer arc surface of the first half ring is provided with an arc-shaped groove along the circumferential direction, the sliding part comprises an arc-shaped plate, a transverse plate and a vertical plate, two ends of the transverse plate are respectively connected with the arc-shaped plate and the vertical plate, the transverse plate penetrates through the arc-shaped groove, the vertical plate is used for mounting a sensor, the sensor is connected with a data acquisition unit, and the sliding part can be used for mounting the sensor and adjusting the position of the sensor; when the air pressure in the air bag is not high, the sliding piece can slide along the arc-shaped groove; when the air pressure in the air bag rises, the arc-shaped plate of the sliding part is tightly pressed on the inner surface of the first semi-ring, and the positions of the sliding part and the sensor arranged on the sliding part are locked;
the use method of the wine grape fruit base vibration separation test bed comprises the following steps: firstly, clamping a grape vine by a first half ring and a second half ring, and locking the first half ring and the second half ring by a locking mechanism; then the air pump inflates the air bag, at the moment, the air bag is only required to be full and the air pressure is slightly higher than the atmospheric pressure, and the inflated air bag completely wraps the grape vine so that the fixing ring is basically fixed (but not firm) on the grape vine; then, the sensor is arranged on a vertical plate of the sliding piece, and the positions of the sliding piece and the sensor can be adjusted along the arc-shaped groove by slightly pressing the sliding piece inwards until the sensor is in a proper position; then, the air pump is used for inflating the air bag again, the air pressure in the air bag is increased (the air pressure can be increased to more than 5 atmospheric pressures), the air bag tightly wraps the grape vines at the moment, the whole fixing ring is firmly fixed, meanwhile, the air bag can tightly press the arc-shaped plate of the sliding part, and the positions of the sliding part and the sensor arranged on the sliding part are locked; and finally, driving the grape vines to vibrate by using a vibration mechanism to perform a vibration test.
According to the wine grape fruit base vibration separation test bed, the sensor does not need to be disassembled after the sensor is installed for the first time, during subsequent tests, when a researcher releases pressure to the air bag to remove the first half ring and the second half ring, the sensor can be removed along with the first half ring, and all subsequent sensor installation and disassembly operations can be completed only by operating the air pump, so that convenience and labor saving are realized; if the position of the sensor is adjusted after the installation is finished, the air bag in the first semi-ring is only required to be appropriately decompressed and the sliding piece is moved to adjust, and the sensor can be fixed after being inflated again.
Furthermore, the fixing ring further comprises a first connecting rod, a round hole is formed in the outer arc surface of the second half ring, a hemispherical limiting block is arranged at one end of the first connecting rod, the first connecting rod penetrates through the round hole and is located inside the second half ring, threads are arranged on the surface of the first connecting rod, a plurality of nuts are sleeved on the first connecting rod, and the first connecting rod is used for connecting a vibration mechanism;
the fixing ring provided by the invention can be used for mounting a sensor and connecting a vibration mechanism, and the specific use method comprises the following steps: firstly, clamping a grape vine by a first half ring and a second half ring, and locking the first half ring and the second half ring by a locking mechanism; then the air pump inflates the air bag, at the moment, the air bag is only required to be full and the air pressure is slightly higher than the atmospheric pressure, and the inflated air bag completely wraps the grape vine so that the fixing ring is basically fixed (but not firm) on the grape vine; then, properly adjusting the first connecting rod to enable the first connecting rod to be aligned with the vibration mechanism, connecting the first connecting rod with the vibration mechanism by using an outer nut, and locking the first connecting rod with the second half ring by using an inner nut; finally, the air pump is used for inflating the air bag again, the air pressure in the air bag is increased (can be increased to more than 5 atmospheric pressures), and the air bag in the second semi-ring tightly presses the hemispherical limiting block of the connecting rod.
Furthermore, locking mechanical system includes round pin axle and round pin axle bed, round pin axle is installed at the edge of second semi-ring, and the round pin axle is on a parallel with the axial of first semi-ring, the round pin axle bed is installed at the edge of first semi-ring, is provided with the round pin shaft hole on the round pin axle bed, and when first semi-ring and second semi-ring merge, the round pin axle inserts in the round pin shaft hole, ensures that first semi-ring and second semi-ring can not be strutted by the gasbag that swells.
Further, all be provided with air inlet and pressure release mouth on first semi-ring and the second semi-ring, air inlet and pressure release mouth and gasbag intercommunication, be provided with the check valve in the air inlet, be provided with the relief valve in the pressure release mouth.
Further, the vibration mechanism comprises a motor, a rotary table, a connecting rod, a sliding block, a sliding rail and a second connecting rod, the motor drives the rotary table to rotate, the sliding block is installed on the sliding rail, the two ends of the connecting rod are respectively hinged with the rotary table and the sliding block, the second connecting rod is installed on the sliding block, when the motor drives the rotary table to rotate, the rotary table drives the sliding block to reciprocate on the sliding rail through the connecting rod, and the sliding block and the second connecting rod drive the grapevines to vibrate.
Further, the second connecting rod includes horizontal pole and montant, and the one end of horizontal pole is fixed on the montant, is provided with vertical guide way on the slider, and the montant is installed in the guide way, can adjust the height of horizontal pole through the guide way.
Furthermore, the number of the cross rods is two or more, one end of each cross rod is fixed on the corresponding vertical rod, and all the cross rods are parallel; the height that can adjust through the guide way is limited, can make things convenient for the researcher to vibrate each height of grape vine through setting up many horizontal poles.
Further, the surface of carousel is provided with diameter direction's fixed slot, is provided with the connecting block in the fixed slot, and the one end and the connecting block of connecting rod are articulated, change the maximum stroke that the slider can be changed to the position of connecting block in the fixed slot, then adjust the amplitude of grape vine.
Furthermore, the motor is a variable frequency motor, and the vibration frequency of the grape vines can be adjusted by changing the rotating speed of the motor.
Has the advantages that: (1) the wine grape fruit base vibration separation test bed provided by the invention has the advantages that the sensor is installed by the fixing ring with the air bag, the installation and the disassembly of the sensor can be realized by the inflation and the deflation of the air bag, the operation is convenient, the time and the labor are saved, the test bed can adapt to grape vines with any shapes, and the mechanical damage to the grape vines is avoided. (2) According to the wine grape fruit base vibration separation test bed, the arc-shaped groove is formed in the first half ring, the sliding part can move in the arc-shaped groove, so that the position of the sensor can be changed along with the sliding part, researchers can conveniently adjust the position of the sensor at any time, meanwhile, the sliding part can be fixed along with the rising of air pressure in the air bag, and the situation that the position of the sensor is changed in the vibration process is avoided. (3) The wine grape fruit base vibration separation test bed is characterized in that a first connecting rod with a limiting block is arranged in a second semi-ring, the direction of the first connecting rod can be flexibly adjusted so as to be connected with a vibration mechanism, and meanwhile, the first connecting rod can be fixed along with the rising of the air pressure in an air bag. (4) According to the wine grape fruit base vibration separation test bed, the fixed groove is formed in the rotary table, the maximum stroke of the sliding block can be adjusted by matching with the connecting block, and researchers can change the amplitude of grape vines conveniently.
Drawings
Fig. 1 is a structural diagram of a frame, a vibration mechanism, and an air pump in embodiment 1.
Fig. 2 is a front view of the first half ring in embodiment 1.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a front view of the slider in embodiment 1.
Fig. 5 is a plan view of the slider in embodiment 1.
Fig. 6 is a sectional view taken along line B-B of fig. 4.
Fig. 7 is a front view of the second half ring in embodiment 1.
Fig. 8 is a cross-sectional view of fig. 7 taken along line C-C.
Fig. 9 is a view showing an application state of the fixing ring in embodiment 1.
Wherein: 100. a frame; 200. a vibration mechanism; 210. a turntable; 211. fixing grooves; 212. connecting blocks; 220. a connecting rod; 230. a slider; 231. a guide groove; 240. a slide rail; 250. a second connecting rod; 251. a cross bar; 252. a vertical rod; 300. a sensor; 400. a fixing ring; 410. a first half ring; 411. an arc-shaped slot; 420. a second half ring; 421. a circular hole; 430. an air bag; 440. a locking mechanism; 441. a pin shaft; 442. a pin shaft seat; 450. a slider; 451. an arc-shaped plate; 452. a transverse plate; 453. a vertical plate; 460. a first connecting rod; 461. a limiting block; 462. a nut; 470. an air inlet; 480. a pressure relief port; 500. an air pump; 600. grape vines.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1
As shown in fig. 1 to 9, the wine grape fruit base vibration separation test bed of the present embodiment includes a frame 100, a vibration mechanism 200, a data collector, a sensor 300, a fixing ring 400, and a gas pump 500;
as shown in fig. 1, the vibration mechanism 200 includes a motor, a turntable 210, a connecting rod 220, a sliding block 230, a sliding rail 240 and a second connecting rod 250, the motor is a variable frequency motor, the motor drives the turntable 210 to rotate, a fixing groove 211 in the diameter direction is formed in the surface of the turntable 210, a connecting block 212 is arranged in the fixing groove 211, one end of the connecting rod 220 is hinged to the connecting block 212, and the other end is hinged to the sliding block 230; the sliding block 230 is installed on the sliding rail 240, the second connecting rod 250 comprises two cross rods 251 and a vertical rod 252, one end of each cross rod 251 is fixed on the corresponding vertical rod 252, the two cross rods 251 are parallel, the sliding block 230 is provided with a vertical guide groove 231, the vertical rod 252 is installed in the guide groove 231, and the height of each cross rod 251 can be adjusted through the guide groove 231;
the motor, the slide rail 240 and the air pump 500 are all fixed on the frame 100;
the fixing ring 400 comprises a first half ring 410, a second half ring 420, an air bag 430, a locking mechanism 440, a slider 450 and a first connecting rod 460, wherein the first half ring 410 and the second half ring 420 are hollow, the air bag 430 is respectively installed in the first half ring 410 and the second half ring 420, and the first half ring 410 and the second half ring 420 can form a complete circle;
as shown in fig. 2 and 3, the outer arc surface of the first half ring 410 is provided with an arc-shaped slot 411 along the circumferential direction; as shown in fig. 4 to 6, the sliding member 450 includes an arc plate 451, a horizontal plate 452 and a vertical plate 453, the horizontal plate 452 is connected to the arc plate 451 and the vertical plate 453 respectively at two ends, the horizontal plate 452 passes through the arc slot 411 as shown in fig. 2, and the vertical plate 453 is used for mounting the sensor 300;
as shown in fig. 7 to 8, a circular hole 421 is formed on the outer arc surface of the second half ring 420, a hemispherical limiting block 461 is disposed at one end of the first connecting rod 460, the first connecting rod 460 penetrates through the circular hole 421, the limiting block 461 is located inside the second half ring 420, a thread is disposed on the surface of the first connecting rod 460, and three nuts 462 are sleeved on the first connecting rod 460;
the locking mechanism 440 includes a pin 441 and a pin seat 442, the pin 441 is installed at the edge of the second half ring 420, the pin 441 is parallel to the axial direction of the first half ring 410, the pin seat 442 is installed at the edge of the first half ring 410, a pin hole is formed on the pin seat 442, and the pin 441 is inserted into the pin hole when the first half ring 410 and the second half ring 420 are combined;
the first half ring 410 and the second half ring 420 are both provided with an air inlet 470 and a pressure relief opening 480, the air inlet 470 and the pressure relief opening 480 are communicated with the air bag 430, a one-way valve is arranged in the air inlet 470, and a pressure relief valve is arranged in the pressure relief opening 480;
in this embodiment, the sensor 300 is an acceleration sensor, and the data acquisition device is a data acquisition card of USB-6009 model number of National Instruments, which is connected to a computer.
The wine grape fruit base vibration separation test bench of this embodiment mainly used grape vibration is gathered experimental, and whole test bench all installs on the tractor, directly transports to the vineyard by the tractor and carries out the experiment of gathering, and concrete application method is:
(1) as shown in fig. 9, the first half-ring 410 and the second half-ring 420 of the fixing ring 400 are clamped on the grape vine 600, and the pin shaft 441 is inserted into the pin shaft seat 442;
(2) the air pump 500 is connected with the air inlet 470, the air pump 500 inflates the air bag 430, the air bag 430 is kept full and the air pressure is slightly higher than the atmospheric pressure, and the inflated air bag 430 completely wraps the grape vine 600 so that the fixing ring 400 is basically fixed on the grape vine 600;
(3) the tractor carries the vibration mechanism 200 to the vicinity of the grape vine 600, adjusts the first connecting rod 460 as shown in fig. 9 such that the first connecting rod 460 is aligned with the vibration mechanism 200, connects the first connecting rod 460 with the cross bar 251 of the vibration mechanism 200 with the outer nut 462, and locks the first connecting rod 460 with the second half ring 420 with the inner nut 462;
(4) the air pump 500 inflates the air bag 430 again to increase the air pressure in the air bag 430, the air bag 430 tightly wraps the grape vine 600, the whole fixing ring 400 is firmly fixed, and meanwhile, the first connecting rod 460 is also firmly locked;
(5) as shown in fig. 9, the first half-ring 410 and the second half-ring 420 of another fixing ring 400 are clamped at other suitable positions of the grape vine 600 in the same way;
(6) the air pump 500 is connected with the air inlet 470, the air pump 500 inflates the air bag 430, the air bag 430 is kept full and the air pressure is slightly higher than the atmospheric pressure, and the inflated air bag 430 completely wraps the grape vine 600 so that the fixing ring 400 is basically fixed on the grape vine 600;
(7) as shown in fig. 9, the sensor 300 is mounted on the vertical plate 453 of the sliding member 450, and the position of the sliding member 450 is adjusted left and right along the arc slot 411 so that the central axis direction of the sensor 300 coincides with the vibration direction of the grape vine 600;
(8) the air pump 500 inflates the air bag 430 again to increase the air pressure in the air bag 430, the air bag 430 tightly wraps the grape vine 600, the whole fixing ring 400 is firmly fixed, and meanwhile, the sliding part 450 is also firmly locked;
(9) installing more sensors 300 on the grape vine 600 in the same method, starting a motor, performing a vibration harvesting test, and fitting the data of the sensors 300 by using software to obtain an acceleration curve of each point of the grape vine 600 during vibration harvesting of the grapes.
As can be seen from fig. 9, the fixing ring 400 in this embodiment can be used for mounting the sensor 300 and connecting the vibration mechanism 200, and fig. 9 shows the first connecting rod 460 and the sliding member 450 at the same time, but in practical application, a researcher only needs to select one of the first connecting rod 460 or the sliding member 450 according to practical use.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a wine grape fruit base vibration separation test bench which characterized in that: comprises a frame, a vibration mechanism, a data acquisition unit, a sensor, a fixed ring and an air pump;
the vibration mechanism is arranged on the frame and drives the grapevine to vibrate;
the fixing ring comprises a first half ring, a second half ring, an air bag, a locking mechanism and a sliding piece, wherein the first half ring and the second half ring are hollow, the air bag is arranged in each of the first half ring and the second half ring, and the first half ring and the second half ring can form a complete ring and are locked by the locking mechanism; the air pump is arranged on the frame and used for inflating the air bag;
the outer arc surface of the first half ring is provided with an arc-shaped groove along the circumferential direction, the sliding part comprises an arc-shaped plate, a transverse plate and a vertical plate, the two ends of the transverse plate are respectively connected with the arc-shaped plate and the vertical plate, the transverse plate penetrates through the arc-shaped groove, the vertical plate is used for installing a sensor, and the sensor is connected with a data acquisition unit.
2. The wine grape fruit base vibration separation test stand of claim 1, wherein: the fixing ring further comprises a first connecting rod, a round hole is formed in the outer arc surface of the second half ring, a hemispherical limiting block is arranged at one end of the first connecting rod, the first connecting rod penetrates through the round hole and is located inside the second half ring, threads are arranged on the surface of the first connecting rod, a plurality of nuts are sleeved on the first connecting rod, and the first connecting rod is used for being connected with a vibration mechanism.
3. The wine grape fruit base vibration separation test stand of claim 2, wherein: the locking mechanism comprises a pin shaft and a pin shaft seat, the pin shaft is arranged at the edge of the second half ring, the pin shaft seat is arranged at the edge of the first half ring, a pin shaft hole is formed in the pin shaft seat, and when the first half ring and the second half ring are combined, the pin shaft is inserted into the pin shaft hole.
4. The wine grape fruit base vibration separation test stand of claim 3, wherein: and the first half ring and the second half ring are both provided with an air inlet and a pressure relief port, and the air inlet and the pressure relief port are communicated with the air bag.
5. The wine grape fruit base vibration separation test stand of claim 4, wherein: a one-way valve is arranged in the air inlet, and a pressure release valve is arranged in the pressure release port.
6. The wine grape fruit base vibration separation test stand of claim 5, wherein: the vibrating mechanism comprises a motor, a rotary table, a connecting rod, a sliding block, a sliding rail and a second connecting rod, the motor drives the rotary table to rotate, the sliding block is installed on the sliding rail, the two ends of the connecting rod are respectively hinged with the rotary table and the sliding block, and the second connecting rod is installed on the sliding block.
7. The wine grape fruit base vibration separation test stand of claim 6, wherein: the second connecting rod includes horizontal pole and montant, and the one end of horizontal pole is fixed on the montant, is provided with vertical guide way on the slider, and the montant is installed in the guide way.
8. The wine grape fruit base vibration separation test stand of claim 7, wherein: the quantity of horizontal pole is two or many, and the one end of all horizontal poles is all fixed on the montant, and all horizontal poles are parallel.
9. The wine grape fruit base vibration separation test stand of claim 8, wherein: the surface of carousel is provided with diameter direction's fixed slot, is provided with the connecting block in the fixed slot, and the one end and the connecting block of connecting rod are articulated.
10. The wine grape fruit base vibration separation test stand of claim 9, wherein: the motor is a variable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110788087.3A CN113575119B (en) | 2021-07-13 | 2021-07-13 | Wine grape fruit base vibration separation test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110788087.3A CN113575119B (en) | 2021-07-13 | 2021-07-13 | Wine grape fruit base vibration separation test stand |
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| Publication Number | Publication Date |
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| CN113575119A true CN113575119A (en) | 2021-11-02 |
| CN113575119B CN113575119B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110788087.3A Active CN113575119B (en) | 2021-07-13 | 2021-07-13 | Wine grape fruit base vibration separation test stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973576A (en) * | 2021-11-08 | 2022-01-28 | 广西壮族自治区农业科学院 | Semi-automatic harvesting machine for muscat |
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2021
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| CN108617262A (en) * | 2018-04-17 | 2018-10-09 | 浙江大学宁波理工学院 | Adaptive shaking fruit picking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973576A (en) * | 2021-11-08 | 2022-01-28 | 广西壮族自治区农业科学院 | Semi-automatic harvesting machine for muscat |
| CN113973576B (en) * | 2021-11-08 | 2023-03-03 | 广西壮族自治区农业科学院 | Semi-automatic harvesting machine for muscat |
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