CN214708852U - Self-propelled oil tea fruit picking machine - Google Patents

Abstract

The utility model relates to a forest fruit harvesting machinery technical field. The technical scheme is as follows: the self-propelled oil tea fruit picking machine is characterized in that: the device comprises a frame consisting of a plurality of cross beams and upright posts, four traveling devices arranged at the bottom of the frame, an excitation device for exciting branches of the camellia oleifera abel, a fruit dropping receiving device arranged below the excitation device for receiving the camellia oleifera abel, a conveying device arranged at the outlet of the fruit dropping receiving device for conveying the camellia oleifera abel, a power device for providing power and a control system fixed on the frame for controlling the devices to work cooperatively; the vibration excitation devices, the fallen fruit receiving devices, the conveying devices and the power devices are two groups and are symmetrically arranged on the left side and the right side of the frame. The picking machine integrates picking and collecting, can greatly reduce the labor intensity of workers, realizes the picking integration of the oil-tea fruits, and has the characteristics of high picking efficiency, convenient operation, good adaptability and harmony among mechanisms and strong practicability.

Description

Self-propelled oil tea fruit picking machine

Technical Field

The utility model relates to a forest fruit harvesting machinery technical field specifically is a self-propelled oil tea fruit picking machine.

Background

Camellia belongs to the genus Camellia of the family Theaceae, is a evergreen small arbor or shrub, is a main economic forest in the south of China, and is called four major edible oil tree species in the world together with oil palm, olive and coconut. More than 300 million hectares of the existing camellia oleifera forest in China are distributed in 14 provinces in south, wherein the area of the camellia oleifera forest in Hunan, Jiangxi and Guangxi is the largest, and the area of the camellia oleifera forest accounts for about 68% of the total area of the camellia oleifera forest in China. The oil tea has important economic value and huge development potential, has great significance for guaranteeing the safety of grain and oil in China and has wide development prospect.

The ripe oil-tea camellia fruit is easy to fall off, so the ripe oil-tea camellia fruit needs to be harvested in time. And because the harvesting period of the oil tea fruits is short, the intensity of the artificially picked oil tea fruits is high. For reducing the labor intensity of manually picking the oil-tea camellia fruits, China has developed equipment for mechanically picking the oil-tea camellia fruits, the equipment can make the oil-tea camellia fruits separate from branches through vibration, but the vibration track of the equipment is mostly in a single direction, the picking effect is not good, and the oil-tea camellia fruits falling on the ground still need to be manually picked and collected, so the manual labor force is not obviously reduced, and the picking efficiency is low. Therefore, there is a need for improvement of the existing oil tea fruit picking machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned background art, provide a self-propelled oil tea fruit picking machine, this picking machine collection is picked and is collected in an organic whole, can greatly reduced manual labor intensity, realizes the integration of gathering of oil tea fruit to it is efficient to have the picking, convenient operation, adaptability and harmony are good between the mechanism, characteristics that the practicality is strong.

The utility model provides a technical scheme is:

the self-propelled oil tea fruit picking machine is characterized in that: the device comprises a frame consisting of a plurality of cross beams and upright posts, four traveling devices arranged at the bottom of the frame, an excitation device for exciting branches of the camellia oleifera abel, a fruit dropping receiving device arranged below the excitation device for receiving the camellia oleifera abel, a conveying device arranged at the outlet of the fruit dropping receiving device for conveying the camellia oleifera abel, a power device for providing power and a control system fixed on the frame for controlling the devices to work cooperatively; the shock excitation devices, the fallen fruit receiving devices, the conveying devices and the power devices are arranged in two groups and are symmetrically arranged on the left side and the right side of the frame; the vibration excitation device and the fallen fruit receiving device are arranged on the inner side of the frame; the conveying device and the power device are arranged on the outer side of the frame.

The vibration excitation device comprises a driving mechanism fixed on the frame and a vibration excitation screen which is driven by the driving mechanism to periodically swing and apply force to the camellia oleifera branches.

The driving mechanism comprises a driving motor fixed on the frame, a crank fixedly connected with the tail end of an output shaft of the driving motor, a rocker fixedly connected with the vibration exciting screen and an intermediate rod, and the two ends of the intermediate rod are respectively hinged with the crank and the rocker.

The excitation sieve comprises an outer frame which can be vertically and movably positioned on the frame, an inner frame which is fixedly connected with the rocker and can be horizontally and movably positioned on the outer frame, and a plurality of excitation rods which are arranged on the inner frame and extend towards the middle of the inner side of the frame to apply force to the camellia branches.

The fallen fruit receiving device comprises a plurality of collecting plates which are arranged below the excitation screen in parallel and downwards incline from the middle part of the frame to the side surface of the frame, a plurality of connecting rods which are transversely arranged above the conveying device and are in one-to-one correspondence with the collecting plates, a telescopic mechanism which is fixed on the frame and drives the collecting plates to mutually extend or contract through the connecting rods, and a torsion mechanism which is arranged on the telescopic mechanism and drives the collecting plates to synchronously swing through the connecting rods; one end of the connecting rod is used as a driving end and is driven by a telescopic mechanism and a torsion mechanism, and the other end of the connecting rod is fixedly connected with the lower end of the corresponding collecting plate; the maximum extending distance between two adjacent connecting rods is larger than the maximum diameter of the fallen fruits so as to ensure that the oil-tea fruits falling on the collecting plate smoothly roll into the conveying device from the space between the two adjacent connecting rods.

The telescopic mechanism comprises a first support frame fixed on the frame, a first sliding chute which is arranged on the first support frame and is horizontally arranged, a plurality of first sliding blocks which can be horizontally positioned in the first sliding chute in a sliding way and are in one-to-one correspondence with the connecting rods, a plurality of scissors forks which are sequentially hinged and connected and are in one-to-one correspondence with the first sliding blocks, and a telescopic handle which is arranged on the scissors fork at the head end; the scissors fork consists of a left inclined rod and a right inclined rod which are hinged in a crossed manner at the middle part; each first sliding block is respectively fixed on a middle articulated shaft of each scissors fork; the driving ends of the connecting rods penetrate through the middle articulated shafts of the scissors and the first sliding blocks in a one-to-one correspondence mode and then are fixedly connected with the torsion mechanism.

The torsion mechanism comprises a second support frame hinged to the first support frame through a left hinge rod and a right hinge rod, a second sliding chute arranged on the second support frame and arranged horizontally, a plurality of second sliding blocks which can be positioned in the second sliding chute in a sliding mode along the horizontal direction and correspond to the connecting rods one by one, and a plurality of rotating arms, one ends of the second sliding blocks are hinged to the second sliding blocks, and the other ends of the second sliding blocks are fixedly connected with the corresponding connecting rod driving ends; the rotating arms are parallel to each other; the left hinge rod, the first support rod, the right hinge rod and the second support frame are sequentially hinged to form a parallelogram mechanism; and a torsion handle which is convenient for driving the parallelogram mechanism to move is fixed on the left hinged rod.

Conveyor sets up two baffles in order to prevent that the tea-oil camellia fruit from dropping, equidistant a plurality of baffles of fixing on belt conveyor's the conveyer belt and fix on the frame and be located the fruit case that the belt conveyor exported including fixing on the frame and being located each connecting rod below in order to carry the belt conveyor of tea-oil camellia fruit, along the direction of delivery of tea-oil camellia fruit in belt conveyor both sides.

The walking device comprises a triangular crawler wheel and a hydraulic motor for driving the triangular crawler wheel to move.

The power device comprises a diesel engine, a hydraulic oil tank and a radiator.

The utility model has the advantages that:

1) the utility model discloses an excitation device carries out the excitation to the tea-oil camellia fruit tree, receives the tea-oil camellia fruit that breaks away from the branch through the fruit receiving arrangement that falls, carries the tea-oil camellia fruit to the fruit case through conveyor and collects to realized the integration of gathering of tea-oil camellia fruit, need not the manual work and pick the tea-oil camellia fruit, greatly reduced artifical intensity of labour, improved the picking efficiency of tea-oil camellia fruit.

2) In the excitation device, the driving mechanism adopts a crank and rocker mechanism to drive the excitation screen to periodically swing, so that the motion track of the excitation rod is combined with the vertical track and the horizontal track, the excitation track is greatly superior to that of a single direction, and the picking effect of the oil-tea camellia fruits is improved.

3) In the fallen fruit collecting device, the collecting plates are obliquely arranged, so that fallen fruits falling on the collecting plates fall into the conveying device from the connecting rods under the action of gravity, and the automatic collection of the fallen fruits is realized; in addition, through the cooperation of the twisting mechanism and the telescopic mechanism, the positions of the collecting plates and the distances among the collecting plates can be adjusted, the occupied space of the picking machine in the standby storage process can be greatly reduced, and the picking machine is convenient to store.

4) The utility model discloses compact structure, convenient operation, degree of automation is high, picks efficiently, can show the intensity of labour who reduces the picker, and the practicality is strong, is fit for popularizing and applying.

Drawings

Fig. 1 is a schematic view of a three-dimensional large structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic perspective view of the excitation device of the present invention.

Fig. 4 is a schematic perspective view of the fruit drop receiving device of the present invention in an extended state.

Fig. 5 is a schematic perspective view of the fruit dropping receiving device of the present invention in a contracted state.

Fig. 6 is a schematic view of the structure of the fruit drop receiving device of the present invention.

Fig. 7 is a schematic perspective view of the torsion mechanism of the present invention.

Fig. 8 is a schematic perspective view of the conveying device of the present invention.

Reference numerals:

1-1, a cross beam; 1-2, upright columns; 1-3, a support member;

2-1, a hydraulic motor; 2-2, triangular crawler wheels;

3-1, a driving mechanism; 3-1-1, driving a motor; 3-1-2, a crank; 3-1-3, a middle rod; 3-1-4, a rocker; 3-2, vibrating screen; 3-2-1, an outer frame; 3-2-2, a guide rail; 3-2-3, three-head pulley; 3-2-4, an inner frame; 3-2-5, a slide bar; 3-2-6, a third slide block; 3-2-7, and vibrating and screening; 3-2-8, shaft sleeve;

4. a dropped fruit collecting device; 4-1, collecting plates; 4-2, connecting rod; 4-3, a first support frame; 4-4, a first chute; 4-5, a first slide block; 4-6, a left diagonal rod; 4-7, right diagonal rod; 4-8, a telescopic handle; 4-9, and a middle hinged shaft of the scissor fork; 4-10, long rod; 4-11, short rods; 4-12, a second support frame; 4-13, a second chute; 4-14, a second slide block; 4-15, rotating arm; 4-16, a twist handle; 4-17, a first hinge lever; 4-18, a second hinge rod;

5. a conveying device; 5-1, horizontal segment; 5-2, an inclined section; 5-3, a baffle; 5-4, a partition board; 5-5, a fruit box;

6-1, diesel engine; 6-2, a hydraulic oil tank; 6-3, a radiator;

7. and (5) controlling the system.

Detailed Description

The following further description is made with reference to the embodiments shown in the drawings.

For convenience of description, the left side of fig. 2 is taken as left, and the right side is taken as right; the direction perpendicular to the paper of fig. 2 is the front-rear direction.

The self-propelled camellia oleifera fruit picking machine shown in fig. 1 and 2 comprises a vehicle frame, four traveling devices, a vibration excitation device, a fallen fruit receiving device 4, a conveying device 5, a power device and a control system 7. The frame is arranged in a rectangular shape and consists of a plurality of (determined according to actual conditions) cross beams 1-1 and upright posts 1-2. The four walking devices are arranged at the bottom of the frame and are driven independently to drive the whole picking machine to move; each running gear comprises an V-track wheel 2-2 (available from outsourcing) and a hydraulic motor 2-1 for driving the V-track wheel to move. The shock excitation devices, the fallen fruit receiving devices, the conveying devices and the power devices are arranged in two groups and are symmetrically arranged on the left side and the right side of the frame; the shock excitation device and the fallen fruit receiving device are arranged on the inner side of the frame; the conveying device and the power device are arranged on the outer side of the frame.

The excitation device is used for exciting the camellia branches to separate camellia fruits from the branches. As shown in FIG. 3, the vibration excitation device comprises a driving mechanism 3-1 fixed on the frame and a vibration excitation screen 3-2 driven by the driving mechanism to periodically swing and apply force to the branches of the camellia oleifera.

The driving mechanism comprises a driving motor 3-1-1, a crank 3-1-2, a rocker 3-1-4 and an intermediate rod 3-1-3. The driving motor is fixed on the frame; the crank is fixedly connected with the tail end of an output shaft of the driving motor; the rocker is fixedly connected with the vibration excitation screen, so that the vibration excitation screen synchronously swings along with the rocker to achieve the purpose of exciting the branches of the camellia oleifera; and two ends of the middle rod are respectively hinged with the crank and the rocker. Because the driving mechanism adopts the crank rocker mechanism to drive the vibration sieve to periodically swing, the motion track of the vibration sieve is combined with the vertical track and the horizontal track, and is greatly superior to the vibration track in a single direction, thereby improving the picking effect of the oil-tea camellia fruits.

The vibration excitation screen comprises an outer frame 3-2-1, an inner frame 3-2-4 and a plurality of vibration excitation rods 3-2-7. The outer frame can be vertically and movably positioned on the frame through a rolling pair, wherein the rolling pair consists of a guide rail 3-2-2 vertically fixed on the frame and a three-head pulley 3-2-3 fixed on the outer frame and in rolling fit with the guide rail. The inner frame is fixedly connected with the rocker, and the inner frame can be horizontally and movably positioned on the outer frame through a sliding pair, wherein the sliding pair consists of a sliding rod 3-2-5 horizontally fixed on the outer frame and a third sliding block 3-2-6 fixed on the inner frame and in sliding fit with the sliding rod. The excitation rod is detachably arranged on the inner frame through a shaft sleeve 3-2-8 and extends towards the middle of the inner side of the frame so as to apply force to the camellia oleifera branches and excite the camellia oleifera branches; in this embodiment, the excitation rods are arranged in two groups and are respectively arranged on the front side and the rear side of the inner frame (9 excitation rods in each group in the figure), and the excitation rods in each group are all arranged in parallel and at equal intervals. During operation, the inner frame is along slide bar horizontal motion, and the frame is along guide rail vertical motion, and the motion trail behind inner frame and the frame stack is the swing orbit of excitation rod promptly, for prior art's unidirectional vibration, the picking effect of tea-oil camellia fruit can be improved greatly to this device.

The fruit dropping receiving device is arranged below the excitation device and used for receiving the oil tea fruits. As shown in fig. 4 to 6, the drop fruit receiving device includes a plurality of (six in the figure) collecting plates 4-1, a plurality of (six in the figure) connecting rods 4-2, a telescoping mechanism and a twisting mechanism. The collecting plates are arranged below the excitation screen in parallel and are arranged from the middle part of the frame to the side surface of the frame in a downward inclined mode; preferably, the collecting plate is angled at an angle of 15 ° to 30 ° to the horizontal. Each connecting rod corresponds to each collecting plate one by one, wherein one end of each connecting rod is used as a driving end and is driven by a telescopic mechanism and a torsion mechanism, and the other end of each connecting rod is fixedly connected with the lower end of the corresponding collecting plate. The connecting rods are arranged above the conveying device at equal intervals and transversely (namely, perpendicular to the conveying direction of the conveying device); the maximum extending distance between two adjacent connecting rods is larger than the maximum diameter of the fallen fruits, so that the oil-tea camellia fruits falling on the collecting plate smoothly roll into the conveying device from the position between the two adjacent connecting rods under the action of gravity.

The telescopic mechanism is fixed on the frame through two L-shaped supporting pieces 1-3, and the collecting plates can be driven to mutually extend or contract through connecting rods. The torsion mechanism is arranged on the telescopic mechanism and can drive the collecting plates to synchronously swing through the connecting rods; in this embodiment, the swing angle of the collecting plate is 90 °. When the fruits fall, the collecting plates are horizontally arranged; when the storage device is needed, the collecting plates are swung to the vertical position through the twisting mechanism, and then the distance between the collecting plates is adjusted through the telescopic mechanism, so that the collecting plates are mutually contracted and folded, and the integral storage space of the collecting device is reduced.

The telescopic mechanism comprises a first support frame 4-3, a first sliding chute 4-4, a plurality of (six in the figure) first sliding blocks 4-5, a plurality of (six groups in the figure) scissors and forks and a telescopic handle 4-8. The first support frame is fixed on the frame; the utility model discloses well first support frame still is located the outside of conveyer belt to each connecting rod transverse arrangement is directly over conveyor. The first support frame is horizontally provided with the first sliding chute; each first sliding block and each connecting rod correspond to each other one by one and can be positioned in the first sliding groove in a horizontally sliding manner. The scissor forks are sequentially hinged and connected and correspond to the first sliding blocks one by one; the scissors fork consists of a left inclined rod 4-6 and a right inclined rod 4-7 which are hinged in a crossed mode in the middle. In this embodiment, since the scissors fork at the tail end (i.e., the scissors fork at the rightmost end in fig. 3) is hinged to the previous scissors fork, the scissors fork at the tail end is arranged in a "V" shape, and the other scissors forks are arranged in an "X" shape. The telescopic handle is arranged on the scissors fork at the head end (namely the scissors fork at the leftmost end in the figure 3) and is used for driving the scissors forks to move synchronously; in the embodiment, the telescopic handle is hinged with the scissors fork at the head end through the Y-shaped connecting piece, and the telescopic handle can also be directly fixed on the scissors fork at the head end; wherein the Y-shaped connecting piece comprises a long rod 4-10 and a short rod 4-11; one end of the short rod is hinged to the middle of the long rod, the other end of the short rod and one end of the long rod are hinged to the scissors fork at the head end respectively, and the telescopic handle is fixed to the other end of the long rod. The first sliding blocks are arranged at equal intervals and are respectively fixed on the middle articulated shafts 4-9 of the scissors forks. The driving end of each connecting rod passes through the middle hinged shaft of each scissors fork and each first slider one-to-one and then is fixedly connected with the torsion mechanism, namely, the middle hinged shaft of each scissors fork and the middle of each first slider are communicated, and the connecting rod is in clearance fit with the middle hinged shaft of the scissors fork and the first slider so as to ensure the smooth rotation of the connecting rod. When the scissors are in work, the telescopic handles are turned downwards or downwards, the scissors forks can be driven to extend or contract, and then the connecting rods are driven to extend or contract mutually through the first sliding blocks.

As shown in fig. 7, the twisting mechanism includes a second support frame 4-12, a second sliding groove 4-13, a plurality of (six in the figure) second sliding blocks 4-14, a plurality of (six in the figure) rotating arms 4-15, and a twisting handle 4-16. The second support frame is hinged to the first support frame through a first hinge rod 4-17 and a second hinge rod 4-18, and the first hinge rod, the first support frame, the second hinge rod and the second support frame are sequentially hinged to form a parallelogram mechanism. The second sliding chute is horizontally arranged on the second supporting frame; each second sliding block can be positioned in the second sliding groove in a sliding mode along the horizontal direction and corresponds to each connecting rod one to one. The rotating arms are parallel to each other; one end of the rotating arm is hinged to the second sliding block, and the other end of the rotating arm is fixedly connected with the corresponding connecting rod driving end. The torsion handle is fixed on the first hinge rod and used for driving the parallelogram mechanism to move. During operation, the torsion handle is rotated, the second support frame is driven to swing through the parallelogram mechanism, each second sliding block slides along the second sliding groove, and therefore each rotating arm corresponding to each second sliding block in a hinged mode is driven to swing synchronously, each connecting rod fixedly connected with each rotating arm is driven to swing, and adjustment of the collecting plate in the horizontal position and the vertical position is achieved.

As shown in fig. 8, the conveying device is arranged at the outlet of the fallen fruit receiving device and is used for conveying the oil-tea camellia fruits. The conveying device comprises a belt conveyor (available from outsourcing), two baffle plates 5-3, a plurality of partition plates 5-4 and a fruit box 5-5. The belt conveyor is fixed on the frame; in order to make the whole device more compact, in the embodiment, the belt conveyor comprises a horizontal section 5-1 and an inclined section 5-2; wherein the horizontal section is positioned below each connecting rod and is used for receiving the oil tea fruits rolled down by the collecting device; the inclined section is connected at the outlet of the horizontal section and is arranged in an upward inclined manner so as to convey the oil-tea camellia fruits to the fruit box. Two baffles are arranged on two sides of the belt conveyor respectively along the conveying direction of the oil tea fruits to prevent the oil tea fruits from falling. All the partition plates are fixed on the conveying belt of the belt conveyor at equal intervals to ensure the smooth conveying of the oil tea fruits at the inclined section. The fruit box is fixed on the frame and positioned at the outlet of the belt conveyor to receive the oil-tea fruits conveyed by the belt conveyor. Through the cooperation operation of the fallen fruit collecting device and the conveying device, the automatic collection of the oil tea fruits can be realized, the oil tea fruits do not need to be manually picked up, the manual labor intensity is greatly reduced, and the picking efficiency of the oil tea fruits is improved.

The power device is used for providing power and comprises a diesel engine 6-1, a hydraulic oil tank 6-2 and a radiator 6-3 (all of which are commercially available). The control system is fixed on the frame (the right side of the frame in the figure) to control the matching operation of all the devices; the control cabinet adopts an electric control cabinet (available from outsourcing).

The working principle of the utility model is as follows:

when the automatic oil tea tree picking device works, the hydraulic motor controls the triangular crawler wheels to rotate, the picking machine moves to the position of an oil tea tree, the whole frame wraps the oil tea tree crown, and meanwhile, the vibration exciting rod of the vibration exciting device is inserted into an oil tea tree branch. Turning the telescopic handle, and driving the connecting rods to extend through the scissor forks to enable the distance between the connecting rods to be maximum; then the twisting handle is rotated, the connecting rods are driven to swing to the horizontal position through the second supporting frame, the second sliding block and the rotating arm, and the side edges of the two adjacent collecting plates are just overlapped without a gap, so that the collecting plates are combined to form a complete collecting surface. The driving motor is controlled to rotate, and the vibration sieve is driven to swing through the crank and rocker mechanism, so that the camellia branches are periodically excited. The oil tea fruits fall on the collecting plate and roll down onto the belt conveyor from the connecting rods under the action of gravity; the belt conveyor conveys the oil tea fruits to the fruit box, so that the oil tea fruits are picked and collected, and the picking integration is realized.

After the tea-oil camellia fruit is picked, rotate and twist the handle, make each collecting plate swing 90 to vertical position, then turn the telescopic handle, make each connecting rod shrink to mutual interval minimum position, each collecting plate is in shrink fold condition this moment, and occupation space is minimum, the depositing of the machine of being convenient for.

Finally, it should be noted that the above-mentioned embodiments illustrate only specific embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (10)

1. The self-propelled oil tea fruit picking machine is characterized in that: the device comprises a frame consisting of a plurality of cross beams (1-1) and upright columns (1-2), four traveling devices arranged at the bottom of the frame, an excitation device for exciting branches of the camellia oleifera abel, a fruit dropping receiving device arranged below the excitation device and used for receiving the camellia oleifera abel fruits, a conveying device arranged at the outlet of the fruit dropping receiving device and used for conveying the camellia oleifera abel fruits, a power device used for providing power and a control system fixed on the frame and used for controlling the devices to work in a matched manner; the vibration excitation devices, the fallen fruit receiving devices, the conveying devices and the power devices are arranged in two groups and are symmetrically arranged on the left side and the right side of the frame; the vibration excitation device and the fallen fruit receiving device are arranged on the inner side of the frame; the conveying device and the power device are arranged outside the frame.

2. The self-propelled camellia oleifera fruit picking machine according to claim 1, wherein: the excitation device comprises a driving mechanism (3-1) fixed on the frame and an excitation screen (3-2) driven by the driving mechanism to periodically swing and apply force to the camellia oleifera branches.

3. The self-propelled camellia oleifera fruit picking machine according to claim 2, wherein: the driving mechanism comprises a driving motor (3-1-1) fixed on the frame, a crank (3-1-2) fixedly connected with the tail end of an output shaft of the driving motor, a rocker (3-1-4) fixedly connected with the vibration exciting screen, and an intermediate rod (3-1-3) with two ends respectively hinged with the crank and the rocker.

4. The self-propelled camellia oleifera fruit picking machine of claim 3, wherein: the excitation sieve comprises an outer frame (3-2-1) which can be vertically and movably positioned on the frame, an inner frame (3-2-4) which is fixedly connected with the rocker and can be horizontally and movably positioned on the outer frame, and a plurality of excitation rods (3-2-7) which are arranged on the inner frame and extend towards the middle of the inner side of the frame to apply force to the camellia branches.

5. The self-propelled camellia oleifera fruit picking machine of claim 4, wherein: the fruit drop receiving device comprises a plurality of collecting plates (4-1) which are arranged below the vibration exciting screen in parallel and downwards incline from the middle part of the frame to the side surface of the frame, a plurality of connecting rods (4-2) which are transversely arranged above the conveying device and correspond to the collecting plates one by one, a telescopic mechanism which is fixed on the frame and drives the collecting plates to mutually extend or contract through the connecting rods, and a torsion mechanism which is arranged on the telescopic mechanism and drives the collecting plates to synchronously swing through the connecting rods; one end of the connecting rod is used as a driving end and is driven by a telescopic mechanism and a torsion mechanism, and the other end of the connecting rod is fixedly connected with the lower end of the corresponding collecting plate; the maximum extending distance between two adjacent connecting rods is larger than the maximum diameter of the fallen fruits so as to ensure that the oil-tea fruits falling on the collecting plate smoothly roll into the conveying device from the space between the two adjacent connecting rods.

6. The self-propelled camellia oleifera fruit picking machine of claim 5, wherein: the telescopic mechanism comprises a first support frame (4-3) fixed on the frame, a first sliding chute (4-4) which is arranged on the first support frame and is arranged horizontally, a plurality of first sliding blocks (4-5) which are positioned in the first sliding chute in a horizontally sliding manner and correspond to the connecting rods one by one, a plurality of scissors forks which are sequentially hinged and correspond to the first sliding blocks one by one, and telescopic handles (4-8) which are arranged on the scissors forks at the head end; the scissors fork consists of a left inclined rod (4-6) and a right inclined rod (4-7) which are hinged in a crossed manner at the middle part; each first sliding block is respectively fixed on a middle articulated shaft (4-9) of each scissors fork; the driving ends of the connecting rods penetrate through the middle articulated shafts of the scissors and the first sliding blocks in a one-to-one correspondence mode and then are fixedly connected with the torsion mechanism.

7. The self-propelled camellia oleifera fruit picking machine of claim 6, wherein: the torsion mechanism comprises a second support frame (4-12) hinged on the first support frame through a left hinge rod (4-17) and a right hinge rod (4-18), a second sliding groove (4-13) which is arranged on the second support frame and is horizontally arranged, a plurality of second sliding blocks (4-14) which can be positioned in the second sliding groove in a sliding way along the horizontal direction and are in one-to-one correspondence with the connecting rods, and a plurality of rotating arms (4-15) of which one end is hinged with the second sliding blocks and the other end is fixedly connected with the corresponding connecting rod driving end; the rotating arms are parallel to each other; the left hinge rod, the first support rod, the right hinge rod and the second support frame are sequentially hinged to form a parallelogram mechanism; and a torsion handle (4-16) which is convenient for driving the parallelogram mechanism to move is fixed on the left hinged rod.

8. The self-propelled camellia oleifera fruit picking machine of claim 7, wherein: the conveying device comprises a belt conveyor which is fixed on the frame and positioned below each connecting rod to convey the oil tea fruits, two baffle plates (5-3) which are arranged on two sides of the belt conveyor along the conveying direction of the oil tea fruits to prevent the oil tea fruits from falling, a plurality of partition plates (5-4) which are fixed on the conveying belt of the belt conveyor at equal intervals, and fruit boxes (5-5) which are fixed on the frame and positioned at the outlet of the belt conveyor.

9. The self-propelled camellia oleifera fruit picking machine of claim 8, wherein: the walking device comprises triangular crawler wheels (2-2) and a hydraulic motor (2-1) for driving the triangular crawler wheels to move.

10. The self-propelled camellia oleifera fruit picking machine of claim 9, wherein: the power device comprises a diesel engine (6-1), a hydraulic oil tank (6-2) and a radiator (6-3).

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