CN215380008U

CN215380008U - Pecan vibrating machinery harvesting device capable of intelligently changing frequency and amplitude

Info

Publication number: CN215380008U
Application number: CN202121856844.8U
Authority: CN
Inventors: 孙兴冻; 周健飞; 蒋珂; 汪杰; 徐克�; 沈弘劲; 韩思佳; 方舞; 方梁菲; 蒋锐; 许良元; 刘微; 雒有宝; 景文康
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-04
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to an intelligent variable-frequency variable-amplitude pecan vibration mechanical harvesting device, which can be used for intelligently harvesting walnuts and simultaneously reducing vibration damage to walnut trees in an operation process. The method is characterized in that: comprises a walking component, a lifting component, a vibrating component and a clamping component; the sliding gear is installed on the second vertical shaft and can move along the axis direction of the second vertical shaft, the first electromagnet and the second electromagnet are installed and fixed right above and below the sliding gear respectively, and the rubber block is installed and fixed on the inner side of the movable claw through a spring. Compared with the prior art, the utility model not only solves the problem of low walnut harvesting efficiency, but also solves the problem of harm to human bodies and walnut trees in the walnut mechanical harvesting process by transmitting the input power of the eccentric block through the multi-gear set and fixedly installing the rubber block on the movable claw through the spring block.

Description

Pecan vibrating machinery harvesting device capable of intelligently changing frequency and amplitude

Technical Field

The utility model relates to the field of fruit harvesting, in particular to a variable-frequency variable-amplitude walnut vibration harvesting vehicle based on a multi-gear set in walnut mechanical harvesting operation.

Background

At present, the pecan harvesting in Anhui Ningguo county has two modes of manual harvesting and mechanical harvesting, wherein the manual harvesting mode is to knock the walnut or the branch where the walnut is located by using a long bamboo pole so that the walnut falls off, the manual harvesting efficiency is low, and the knock in the harvesting process can damage the branch and influence the yield; mechanical harvesting generally adopts the simple and easy harvesting device of artifical hand-held type to gather, and this kind of mode of gathering is more efficient than artifical harvesting, nevertheless long-term vibration can produce harm to the human body, and artifical hand-held type simple and easy harvesting device's vibration frequency and amplitude are comparatively single, are difficult to satisfy the demand of the walnut operation complex situation of gathering, and long-time low efficiency vibration is difficult to improve the walnut recovery ratio and long-time vibration can cause the damage to the walnut tree.

Disclosure of Invention

In order to solve the problems of low walnut harvesting efficiency and single amplitude and vibration frequency of the conventional mechanical harvesting device, the utility model provides an intelligent variable-frequency variable-amplitude pecan vibration mechanical harvesting device.

The utility model is characterized in that: comprises a walking component, a lifting component, a vibrating component and a clamping component; the walking assembly comprises: the harvesting box, the vehicle body and the camera; the harvesting box is fixedly arranged at one end of the vehicle body, and the camera is fixedly arranged on a shed of the vehicle body through a screw;

the lifting assembly comprises an inclined supporting rod, an upper supporting rod, an inclined supporting rod hydraulic cylinder, an upper supporting rod hydraulic cylinder and a connecting frame; the inclined support rods are two in number and are distributed on two sides of the vehicle body, one end of each inclined support rod on each side is mounted at one end of the vehicle body through two bearings, the bearings are mounted and fixed on the vehicle body through bearing seats, the inclined support rod hydraulic cylinders are two in number and are distributed on two sides of the vehicle body, the cylinder bodies of the inclined support rod hydraulic cylinders are connected with shafts between two supports welded on the vehicle body together, the inclined support rod hydraulic cylinders can axially rotate around the shafts, the piston rods of the inclined support rod hydraulic cylinders are connected with shafts between two supports welded on the inclined support rods together, and the inclined support rod hydraulic cylinders can axially rotate around the shafts; the upper support rod comprises two upper support rods, one end of each upper support rod is connected with the other end of the corresponding inclined support rod through a shaft, the upper support rods and the inclined support rods can axially rotate around the shafts, the cylinder body of each upper support rod hydraulic cylinder is connected with the shaft between the two supports welded on the inclined support rods, the upper support rod hydraulic cylinder can axially rotate around the shaft, the piston rod of each upper support rod hydraulic cylinder is connected with the shaft between the two supports welded on the upper support rods, and the upper support rod hydraulic cylinder can axially rotate around the shaft; the number of the connecting frames is 4, and the connecting frames are fixedly connected with the other end of the upper supporting rod through welding, the connecting frames are L-shaped square tubes, and one end of each square tube is a round shaft;

the vibration component comprises a motor, a driving helical gear, a driven helical gear, a first vertical shaft, a first eccentric block, a first gear, a second vertical shaft, a sliding gear, a second gear, a third vertical shaft, a third gear, a second eccentric block, a box body shell, a vibration rack, a first far infrared laser sensor, a first reflector, a second far infrared laser sensor, a second reflector, a first electromagnet and a second electromagnet; one end of the vibrating frame is provided with two round holes, the vibrating frame is sleeved on the connecting frame round shaft through the round holes, and the connecting frame round shaft is provided with a spring; the motor is fixedly installed on the vibrating rack through bolts, the lower end of the first vertical shaft is installed at the lower end of the vibrating rack through a thrust ball bearing and a cylindrical roller bearing, the thrust ball bearing is arranged right above the cylindrical roller bearing, the upper end of the first vertical shaft is installed at the upper end of the vibrating rack through the cylindrical roller bearing, and the installation modes of the second vertical shaft and the third vertical shaft are the same as those of the first vertical shaft; the driving helical gear is fixedly arranged on the output shaft of the motor through a flat key and an elastic retainer ring for a shaft, the driven helical gear is fixedly arranged on the first vertical shaft through the flat key and the elastic retainer ring for the shaft and is meshed with the driving helical gear, and the first eccentric block and the first gear are fixedly arranged on the corresponding position of the first vertical shaft through the flat key and the elastic retainer ring for the shaft respectively; the sliding gear is installed on the second vertical shaft through a flat key, the first electromagnet and the second electromagnet are installed and fixed on a side plate of the vibrating rack through bolts, the first electromagnet is arranged right above the highest position of the sliding gear, the second electromagnet is arranged right below the lowest position of the sliding gear, and the second gear is installed and fixed on the second vertical shaft through the flat key and an elastic retainer ring for the shaft; the third gear is fixedly arranged on a third vertical shaft through a flat key and a shaft elastic retainer ring, the second gear is meshed with the third gear, the second eccentric block is fixedly arranged on the third vertical shaft through the flat key and the shaft elastic retainer ring, and the upper end surface of the second eccentric block is superposed with the upper end surface of the first eccentric block; the first light reflecting plate is fixedly arranged in the middle of the first eccentric block, the second light reflecting plate is fixedly arranged in the middle of the second eccentric block, the first laser sensor and the second laser sensor are fixedly arranged on the vibration rack through sensor supports respectively, the two sensors are fixedly arranged on the same side of the vibration rack, and when the first light reflecting plate rotates to the position under the first laser sensor along with the first eccentric block and the second light reflecting plate rotates to the position under the second laser sensor along with the second eccentric block, two planes of the first eccentric block and the second eccentric block are parallel to each other; the box body shell is in a half-section type and is fixedly arranged on the vibrating rack through screws;

the clamping assembly comprises a movable claw, a rotating hydraulic cylinder, a square pipe and a movable claw connecting piece; one end of the square pipe is welded on the vibrating frame, and the other end of the square pipe is welded on the movable claw connecting piece; the movable claws are respectively arranged on two sides of a movable claw connecting piece through rotating pins, the two movable claws can respectively rotate around the respective rotating pins, the inner side surfaces of the movable claws are fixedly connected with one ends of a plurality of springs, the other end of each spring is fixedly provided with a rubber block, and the inner side surfaces of the movable claws are completely covered by the rubber blocks; the number of the rotary hydraulic cylinders is two, the cylinder bodies of the two rotary hydraulic cylinders are respectively connected with the shafts in the middle of the two supports welded on the two sides of the square pipe, the rotary hydraulic cylinders can rotate around the corresponding shafts respectively, the piston rods of the two rotary hydraulic cylinders are respectively connected with the shafts in the middle of the two supports welded on the outer side of the movable jaw on the side, the rotary hydraulic cylinders can rotate around the shafts, and the outer sides of the two supports on the two sides of the square pipe are provided with fixed strain gauges respectively.

Drawings

FIG. 1 is a schematic view of the overall structure of the harvesting vehicle provided by the utility model;

FIG. 2 is a schematic view of the overall structure of the harvesting vehicle provided by the present invention;

FIG. 3 is a schematic view of a walking assembly and a partial cross-sectional view according to the present invention;

FIG. 4 is a partially enlarged view of the walking assembly of the present invention;

FIG. 5 is a schematic view of a clamping assembly provided in the present invention;

shown in the figure are 1 a walking component, 2 a lifting component, 3 a vibrating component, 4 a clamping component, 101 a harvesting box, 102 a vehicle body, 103 a camera, 201 a diagonal support rod, 202 an upper support rod, 203 a diagonal support rod hydraulic cylinder, 204 an upper support rod hydraulic cylinder, 205 a connecting frame, 301 a motor, 302 a driving bevel gear, 303 a driven bevel gear, 304 a first vertical shaft, 305 a first eccentric block, 306 a first gear, 307 a second vertical shaft, 308 a sliding gear, 309 a second gear, 310 a third vertical shaft, 311 a third gear, 312 a second eccentric block, 313 a box body shell, 314 a vibrating frame, 315 a first far infrared laser sensor, 316 a first reflecting plate, 317 a second far infrared laser sensor, 318 a second reflecting plate, 319 a first electromagnet, 320 a second electromagnet, 401 a movable claw, 402 is a rotary hydraulic cylinder, 403 is a square pipe, and 404 is a movable claw connecting piece.

Detailed Description

As shown in fig. 1, the pecan vibration mechanical collecting device capable of intelligently changing frequency and amplitude provided by the embodiment includes: walking subassembly 1, lifting unit 2, vibration subassembly 3, centre gripping subassembly 4 are constituteed.

As shown in fig. 2, the walking assembly 1 comprises a harvesting box 101, a vehicle body 102 and a camera 103, the harvesting box 101 is fixedly installed at one end of the vehicle body 102, the camera 103 is fixedly installed on a shed of the vehicle body 102 through screws, when the harvesting vehicle operates, the camera 103 transmits relevant information of forest fruit falling to a control system, the control system adjusts the rotating speed of a motor 301 according to feedback information, so that the vibration frequency is changed, the fruit tree is prevented from being in an inefficient vibration state for a long time, damage of the fruit tree caused by vibration is reduced, the harvesting efficiency is improved, intelligent harvesting is realized in harvesting operation, and the working strength during harvesting operation is reduced.

As shown in fig. 2, the lifting assembly 2 is composed of two inclined supporting rods 201, an upper supporting rod 202, two inclined supporting rod hydraulic cylinders 203, an upper supporting rod hydraulic cylinder 204 and a connecting frame 205, the two inclined supporting rods 201 are distributed on two sides of the vehicle body, one end of each inclined supporting rod 201 can axially rotate around the shaft through the two inclined supporting rod hydraulic cylinders 203, and the inclined state of the inclined supporting rod 201 is changed by adjusting the telescopic state of a piston rod of the inclined supporting rod hydraulic cylinder 203, so that the height from the highest point of the inclined supporting rod 201 to the ground is adjusted; the upper support rods 202 are two in total, one end of each upper support rod 202 is connected with the other end of the corresponding inclined support rod 201 through a shaft, the upper support rods 202 and the inclined support rods 201 can axially rotate around the shafts, the cylinder body of each upper support rod hydraulic cylinder 204 is connected with the shaft between the two supports welded on the inclined support rods 201, the upper support rod hydraulic cylinder 204 can axially rotate around the shaft, the piston rod of each upper support rod hydraulic cylinder 204 is connected with the shaft between the two supports welded on the upper support rods 202, the upper support rod hydraulic cylinder 204 can axially rotate around the shaft, the connecting frames 205 are 4 in total and fixedly connected with the other end of each upper support rod 202 through welding, each connecting frame 205 is an L-shaped square pipe, one end of each square pipe is a round shaft and is used for connecting the vibrating frame 314, and the telescopic state of the piston rod of each upper support rod hydraulic cylinder 204 is adjusted to enable the first vertical shaft 304 to be connected with the other end of the corresponding inclined support rod 201, The second vertical shaft 307 and the third vertical shaft 310 are parallel to the clamped trunk, and the component force of the exciting force generated by the vibration component 3 along the axial direction of the clamped trunk is avoided, so that the exciting force generated by the vibration component 3 is more effectively used for vibrating the trunk, the harvesting efficiency and the energy utilization rate are improved, and the damage of the tree root caused by vibration is reduced.

As shown in fig. 3 and 4, the vibration component 3 is composed of a motor 301, a driving helical gear 302, a driven helical gear 303, a first vertical shaft 304, a first eccentric block 305, a first gear 306, a second vertical shaft 307, a sliding gear 308, a second gear 309, a third vertical shaft 310, a third gear 311, a second eccentric block 312, a box casing 313, a vibration rack 314, a first far-infrared laser sensor 315, a first reflection plate 316, a second far-infrared laser sensor 317, a second reflection plate 318, a first electromagnet 319 and a second electromagnet 320, wherein one end of the vibration rack 314 is provided with two circular holes, the vibration rack 314 is sleeved on the circular shaft of the connection rack 205 through the circular holes and is provided with a spring, during vehicle collection operation, vibration of the vibration component 3 to the traveling component 1 can be effectively reduced through the spring, the motor 301 is installed and fixed on the vibration rack 314 through a bolt, the lower end of the first vertical shaft 304 is installed at the lower end of the vibration rack 314 through a thrust ball bearing and a cylindrical roller bearing, and a thrust ball bearing The bearing is right above the cylindrical roller bearing, the thrust ball bearing can bear the force generated by the first vertical shaft 304 along the axial direction, the cylindrical roller bearing can bear the force generated by the first vertical shaft 304 along the radial direction and transmit the force in the radial direction to the vibration rack 314, the upper end of the first vertical shaft 304 is mounted at the upper end of the vibration rack 314 through the cylindrical roller bearing, the cylindrical roller bearing can bear the force generated by the first vertical shaft 304 along the radial direction and transmit the force in the radial direction to the vibration rack 314, the mounting mode of the second vertical shaft 307 and the third vertical shaft 310 is the same as that of the first vertical shaft 304, and the exciting force generated when the first eccentric block 305 and the second eccentric block 312 rotate can be effectively transmitted to the vibration rack 314 through the mounting mode; the driving bevel gear 302 is fixedly arranged on an output shaft of the motor 301 through a flat key and a shaft elastic retainer ring, the driven bevel gear 303 is fixedly arranged on a first vertical shaft 304 through a flat key and a shaft elastic retainer ring, the driven bevel gear 303 is meshed with the driving bevel gear 302, a first eccentric block 305 and a first gear 306 are respectively fixedly arranged on corresponding positions of the first vertical shaft 304 through a flat key and a shaft elastic retainer ring, a sliding gear 308 is connected with a second vertical shaft 307 through a flat key, the length value of the flat key along the axial direction of the second vertical shaft 307 is larger than the double thickness value of the sliding gear 308, the highest position and the lowest position of the sliding gear 308 moving along the axial direction are limited through shaft retainer rings arranged at two ends of the flat key, the sliding gear 308 can synchronously rotate with the second vertical shaft 307 and limit the limit distance of the sliding gear 308 moving along the axial direction of the second vertical shaft 307, a first electromagnet 319 and a second electromagnet 320 are fixedly arranged on a side plate 314 of the vibrating frame through bolts, the first electromagnet 319 is arranged right above the highest position of the sliding gear 308, the second electromagnet 320 is arranged right below the lowest position of the sliding gear 308, when the first electromagnet 319 is powered, the sliding gear 308 moves upwards along the axis direction of the second vertical shaft 307 under the magnetic force action of the first electromagnet 319, when the sliding gear 308 reaches the highest position, the sliding gear 308 is completely meshed with the first gear 306, and at the moment, when the motor 301 is powered, the first vertical shaft 304 and the second vertical shaft 307 rotate synchronously along with the motor 301; when the second electromagnet 320 is electrified, the sliding gear 308 moves downwards along the axial direction of the second vertical shaft 307 under the action of the magnetic force of the second electromagnet 320, when the sliding gear 308 reaches the lowest position, the sliding gear 308 is completely separated from the first gear 306, at this time, when the motor 301 is electrified, the first vertical shaft 304 rotates synchronously with the motor 301, the second vertical shaft 307 does not rotate, the rotation of the second vertical shaft 307 is controlled by controlling the on/off of the first electromagnet 319 and the second electromagnet 320, the second gear 309 is fixed on the second vertical shaft 307 by a flat key and a shaft circlip, the third gear 311 is fixed on the third vertical shaft 310 by a flat key and a shaft circlip, the second gear 309 is engaged with the third gear 311, so that the third vertical shaft 310 rotates synchronously with the second vertical shaft 307, the second eccentric block 312 is fixed on the third vertical shaft 310 by a flat key and a shaft circlip, and the upper end surface of the second eccentric block 312 is overlapped with the upper end surface of the first eccentric block 305, the first reflector 316 is fixed in the middle of the first eccentric block 305, the second reflector 318 is fixed in the middle of the second eccentric block 312, the first far infrared laser sensor 315 and the second far infrared laser sensor 317 are fixed on the vibration rack 314 through sensor supports, the two sensors are fixed on the same side of the vibration rack 314, when the first reflector 316 rotates to the right below of the first far infrared laser sensor 315 along with the first eccentric block 305, and the second reflector 318 rotates to the right below of the second far infrared laser sensor 317 along with the second eccentric block 312, the two planes of the first eccentric block 305 and the second eccentric block 312 are parallel to each other, and the box housing 313 is half-section and is fixed on the vibration rack 314 through screws.

The vibration component 3 realizes vibration frequency change by changing the rotating speed of the motor 301; the vibration component 3 is provided with two gear amplitude switches, namely a 1 gear and a 2 gear, wherein the 1 gear is a small amplitude gear, and the 2 gear is a large amplitude gear. When the amplitude switch is in the 1-gear position, the second electromagnet 320 is electrified to drive the sliding gear 308 to move downwards to the lowest position along the axis direction of the second vertical shaft 307, so that the sliding gear 308 is separated from the first gear 306, and when the motor 301 is electrified, the motor 301 drives the first eccentric block 305 installed and fixed on the first vertical shaft 304 to rotate, at the moment, the first eccentric block 305 generates an excitation force through rotation, and the second eccentric block 312 does not generate an excitation force; when the amplitude switch is in the 2-gear, the vibration component 3 firstly performs a self-checking process to determine whether the first reflector 316 and the second reflector 318 respectively face the first far-infrared laser sensor 315 and the second far-infrared laser sensor 317, if the first reflector 316 does not face the first far-infrared laser sensor 315, the second electromagnet 320 is powered on to drive the sliding gear 308 to move downwards to the lowest position along the axial direction of the second vertical shaft 307, so that the sliding gear 308 is separated from the first gear 306, at this time, the motor 301 is powered on and rotates slowly to drive the first reflector 316 mounted and fixed on the first eccentric block 305 to rotate, when the first reflector 316 is facing the first far-infrared laser sensor 315, the first far-infrared laser sensor 315 receives the infrared rays reflected from the first reflector 316, the first far-infrared laser sensor 315 feeds back signals to the control system, at this time, the two planes of the first eccentric block 305 and the second eccentric block 312 are parallel to each other, the motor 301 and the second electromagnet 320 are powered off, the first electromagnet 319 is powered on, the sliding gear 308 is driven to move upwards to the highest position along the axis direction of the second vertical shaft 307, the first gear 306 and the sliding gear 308 are completely meshed, and at this time, the self-checking process is completed; if the second reflective plate 318 does not face the second far-infrared laser sensor 317 (or the first reflective plate 316 and the second reflective plate 318 do not face the first far-infrared laser sensor 315 and the second far-infrared laser sensor 317, respectively), the first electromagnet 319 is powered on to drive the sliding gear 308 to move upward to the highest position along the axial direction of the second vertical shaft 307, so that the sliding gear 308 is completely engaged with the first gear 306, the motor 301 is powered on and slowly rotates to drive the first eccentric block 305 and the second eccentric block 312 to rotate, when the second reflective plate 318 mounted and fixed on the second eccentric block 312 faces the second far-infrared laser sensor 317, the first electromagnet is powered off, the second electromagnet 320 is powered on to drive the sliding gear 308 to move downward to the lowest position along the axial direction of the second vertical shaft 307, the second eccentric block 312 stops rotating, and the first eccentric block 305 continues to rotate, when the first reflector 316 fixed on the first eccentric block 305 is aligned with the first far infrared laser sensor 315, the two planes of the first eccentric block 305 and the second eccentric opening 312 are parallel to each other, the motor 301 and the second electromagnet 320 are powered off, the first electromagnet 319 is powered on, the sliding gear 308 is driven to move upwards to the highest position along the axis direction of the second vertical shaft 307, the sliding gear 308 is completely meshed with the first gear 306, and the self-checking process is completed; the motor 301 is powered on to drive the first eccentric block 305 and the second eccentric block 312 to rotate, and at this time, both the first eccentric block 305 and the second eccentric block 312 generate excitation force, and because the two planes of the first eccentric block 305 and the second eccentric block 312 are parallel to each other in the self-checking process, the direction of the excitation force generated by the first eccentric block 305 is the same as that of the excitation force generated by the second eccentric block 312, and the excitation force generated by the first gear is smaller than that generated by the second gear under the condition that the rotation speeds of the motor 301 are the same, so that the excitation force generated by the first gear is smaller than that generated by the second gear. Through the optimized combination of the amplitude and the vibration frequency, the harvesting vehicle improves the harvesting efficiency and simultaneously reduces the damage of the harvested trees caused by vibration.

As shown in fig. 5, the clamping assembly 4 comprises two movable claws 401, two rotating hydraulic cylinders 402, two square tubes 403 and two movable claw connectors 404, one end of each square tube 403 is welded on the vibrating frame 314, the other end of each square tube 403 is welded on the corresponding movable claw connector 404, two movable claws 401 are respectively mounted on two sides of the corresponding movable claw connector 404 through rotating pins, and the two movable claws 401 can respectively rotate around the corresponding rotating pin, the inner side surfaces of the movable claws 401 are fixedly connected with one ends of a plurality of springs, and the other end of each spring is fixedly provided with a rubber block which completely covers the inner side surfaces of the movable claws, if a trunk has a protruding or recessed part, the rubber blocks can effectively clamp the protruding or recessed part on the trunk under the action of the springs, so that the surface of the trunk which can be clamped by the clamping assembly 4 is larger, and the force distribution of the clamping assembly 4 for clamping the trunk is more uniform, avoid the damage of trunk because of too concentrated power when centre gripping subassembly 4 centre gripping trunk. The number of the rotary hydraulic cylinders 402 is two, the cylinder bodies of the two rotary hydraulic cylinders 402 are respectively connected with the shafts in the middle of the two supports welded on the two sides of the square pipe 402, the rotary hydraulic cylinders 402 can respectively rotate around the corresponding shafts, the piston rods of the two rotary hydraulic cylinders 402 are respectively connected with the shafts in the middle of the two supports welded on the outer side of the movable claw 401 on the side, the rotary hydraulic cylinders 402 can rotate around the shafts, the outer sides of the two supports on the two sides of the square pipe 403 are respectively provided with a fixed strain gauge, when rotating hydraulic cylinder 402 and promoting movable claw 401 and press from both sides tight trunk, the thrust that rotates hydraulic cylinder 402 output is measured to the foil gage through the strain that the support produced, avoids rotating the thrust that hydraulic cylinder 402 output and surpassing rated thrust, avoids causing the damage to the trunk because of the power is too big when movable claw 401 centre gripping trunk and can't stably centre gripping the trunk because of the power undersize when movable claw 401 centre gripping trunk.

During harvesting operation, the axes of the first vertical shaft 304, the second vertical shaft 307 and the third vertical shaft 310 are parallel to the axis of a trunk by adjusting the telescopic states of the inclined support rod hydraulic cylinder 203 and the upper support rod hydraulic cylinder 204, an operator can select the gear of an amplitude switch according to the appearance characteristics of the height, the thickness and the like of the clamped walnut tree, so that harvesting efficiency is improved, and damage to the walnut tree caused by long-time low-efficiency vibration is avoided, in the operation process, the rotating speed of the motor 301 is changed by the camera 103 according to the falling walnut state, the thrust of the rotating hydraulic cylinder 402 can be adjusted by the control system according to the rotating speed of the motor 301 and the gear of the amplitude switch, so that damage to the trunk caused by too large clamping force of the movable claws 401 or incapability of clamping the trunk caused by too small clamping force of the movable claws 401 is avoided, and the vibration frequency, amplitude and the clamping force of the movable claws 401 can be automatically adjusted by the harvesting vehicle in the harvesting operation process, when the walnut harvesting efficiency is improved, the damage to walnut trees caused by vibration is reduced, and intelligent harvesting operation is realized.

Claims

1. The utility model provides a but pecan vibration machinery of intelligence frequency conversion width of cloth device of gathering which characterized in that: comprises a walking component, a lifting component, a vibrating component and a clamping component; the sliding gear is installed on the second vertical shaft and can move along the axis direction of the second vertical shaft, the first electromagnet and the second electromagnet are installed and fixed right above and below the sliding gear respectively, and the rubber block is installed and fixed on the inner side of the movable claw through a spring.

2. The pecan vibration mechanical collecting device capable of intelligently changing frequency and amplitude as claimed in claim 1, wherein: the sliding gear flat key is installed on the second vertical shaft, the length value of the flat key in the direction of the axis of the second vertical shaft is larger than the thickness value of the sliding gear twice, and the shaft check rings are installed at the two ends of the flat key.

3. The pecan vibration mechanical collecting device capable of intelligently changing frequency and amplitude as claimed in claim 1, wherein: the first electromagnet and the second electromagnet are fixedly installed on a side plate of the vibrating rack through bolts, the first electromagnet is arranged right above the highest position of the sliding gear, and the second electromagnet is arranged right below the lowest position of the sliding gear.

4. The pecan vibration mechanical collecting device capable of intelligently changing frequency and amplitude as claimed in claim 1, wherein: the first eccentric block is fixedly arranged on the first vertical shaft, and the second eccentric block is fixedly arranged on the third vertical shaft.

5. The pecan vibration mechanical collecting device capable of intelligently changing frequency and amplitude as claimed in claim 1, wherein: the inside surface of the movable claw of the centre gripping trunk and a plurality of spring one end fixed connection, a rubber block is fixed in the other end installation of every spring, a plurality of rubber blocks with the inside surface of the movable claw all cover.