CN103229632B - Near-fruit vibrating harvester for litchis - Google Patents

Abstract

The invention discloses a near-fruit vibrating litchi harvester, which comprises a vibrating picking mechanism, a supporting mechanism, a transmission mechanism and a control mechanism. Mechanism connection, the control mechanism is electrically connected with the transmission mechanism. The near-fruit vibrating litchi harvester overcomes the defect that the existing harvesters will cause damage to the fruit trees when picking. It can effectively improve the harvesting efficiency and reduce the harvesting cost while ensuring that the fruit trees are not damaged. It is suitable for fruit picking in large-area orchards. In addition to being used in litchi harvesting operations, it can also be used in picking small fruits such as longan. Its application range is wide; The received fruit is single, which can save the subsequent destemming operation, simplify the process, and reduce labor costs.

Description

A near-fruit vibrating litchi harvester

technical field

The invention relates to the technical field of fruit harvesting, in particular to a fruit-near vibrating litchi harvester.

Background technique

Litchi is one of the main characteristic fruits in the Lingnan region of my country, and its output ranks first in the world. However, the current litchi harvesting is all carried out manually, and its harvesting efficiency is relatively low. In addition, with the continuous rise of labor costs, the cost of litchi harvesting is also increasing day by day. For this reason, in order to achieve the purpose of improving harvesting efficiency and reducing harvesting cost, it is an inevitable development trend to the development of mechanical litchi harvesting technology.

At present, the invention application with the publication number CN102668813A discloses a rotary scissors type litchi picking machine, which uses three fixed blades and three rotating blades to cut the litchi from the branches; the invention application with the publication number CN102668814A discloses a drum Thinning lychee harvester uses a roller with multiple blades to thin out lychees from fruit trees. Both of these methods can achieve the purpose of quickly harvesting lychees, but both will cause damage to leaves and branches, which is not conducive to the maintenance of fruit trees.

Contents of the invention

The object of the present invention is to overcome the deficiencies of the prior art and provide a close-to-fruit vibrating litchi harvester, which can improve harvesting efficiency, reduce harvesting costs, and effectively avoid damage to fruit trees.

The technical scheme of the present invention is: a vibrating litchi harvester for close fruit, including a vibrating picking mechanism, a supporting mechanism, a transmission mechanism and a control mechanism, the vibrating picking mechanism is arranged at the end of the supporting mechanism, and the driving mechanism is arranged on the supporting mechanism And it is connected with the vibration picking mechanism, and the control mechanism is electrically connected with the transmission mechanism.

The vibrating picking mechanism includes a left vibrating tree, a right vibrating tree, a vibrating tree connecting rod, a slide bar, a bracket and a slider crank assembly, the bottom of the slide bar passes through the bracket and is connected with the slider crank assembly; the upper part of the slide bar is a T-shaped structure The inner side of the left vibration channel and the inner side of the right vibration channel are respectively connected to the left and right ends of the upper part of the slide bar through the vibration channel connecting rod; Among them, the joints of the connecting rod and the sliding rod, the left vibrating rack and the right vibrating rack are respectively equipped with a second rotating shaft, and bearings are installed on the second rotating shaft. Axial movement; bearings are also installed on the first rotating shaft, and the first rotating shaft is also fixed by riveting. The lower end of the slide bar extends to the lower side of the upper wall of the box through the bracket and the through hole on the upper wall of the supporting box (a component of the support mechanism), and one end of the slide bar connecting rod (a component of the crank slider assembly) passes through the third The rotating shaft and the bearing are connected to the lower end of the slide bar. In order to facilitate the connection, the lower end of the slide bar has a U-shaped opening; the other end of the slide bar connecting rod is connected to the eccentric shaft on the eccentric wheel (a component of the crank slider assembly) through the bearing. .

The left vibrating comb and the right vibrating comb are symmetrically arranged on the support, and the left vibrating comb and the right vibrating comb are finger-shaped respectively, each vibrating comb has 6 fingers, and the upper segment of the finger is bent at 90°.

The slider crank assembly includes an eccentric wheel and a sliding bar connecting rod, and the eccentric wheel is connected to the bottom of the sliding bar through the sliding bar connecting rod.

The support mechanism includes a support box and a hand-held rod. The bracket in the vibrating picking mechanism is fixed on the support box, and the hand-held rod is fixedly connected with the bottom of the support box; the hand-held rod is a hollow tubular structure. Wherein, the handle rod and the support box are connected by a connecting piece. In order to ensure reliable connection, a groove is opened at the end of the connecting piece connected to the handle rod, so that the connecting piece will elastically deform after the bolt is screwed in, thereby clamping the handle rod.

The transmission mechanism includes a gasoline engine, a flexible shaft, a long shaft and a transmission gear group. Gear set connection.

The transmission gear set includes two bevel gears arranged perpendicularly to each other, and the two bevel gears are respectively fixed on the supporting box through outer spherical bearings, and the output end of the transmission gear set is connected with the crank slider assembly. The two bevel gears are meshingly connected, one of the outer ends is connected with the long shaft through a spline, and the other outer end is connected with the eccentric wheel.

The control mechanism includes a control panel and a gasoline engine control line, the control panel is installed on the hand-held rod through bolts, and the control panel is electrically connected with the gasoline engine through the gasoline engine control line; the control panel is provided with a switch button and a speed regulating button. The control board is respectively connected with the throttle and flameout wires of the gasoline engine through the telecommunication and traction wires inside the gasoline engine control wire. The switch button on the control panel is used to control the opening and closing of the flameout line, and the speed control button is used to control the opening of the accelerator, so that the opening and closing of the gasoline engine and the speed of the gasoline engine can be adjusted conveniently by hand.

When the near-fruit vibrating litchi harvester works, its principle is: the driving force is provided by the gasoline engine, the output shaft of the gasoline engine drives the long shaft in the hand-held rod through the flexible shaft, and the long shaft drives the bevel gear connected to it to rotate, and the bevel gear is driven by the bevel gear to rotate. The group drives the crank slider assembly to work, and then drives the slider to reciprocate up and down on the bracket, and the reciprocating movement of the slider drives the two vibrating combs to swing left and right through the slider connecting rod. During operation, comb the vibrating comb to catch the lychee fruit on the tree, then increase the throttle through the speed control button to increase the output shaft speed of the gasoline engine, thereby increasing the vibration frequency of the vibrating comb, and the lychee fruit will fall off under the action of the vibrating comb . The front end of the vibrating comb is curved to facilitate combing the fruit on the tree. The hand-held rod is connected to the gasoline engine with a flexible shaft, so that the hands do not have to bear the weight of the gasoline engine. The gasoline engine can be placed on the ground or carried behind the back.

Compared with the prior art, the present invention has the following beneficial effects:

The near-fruit vibrating litchi harvester overcomes the defect that the existing harvesters will cause damage to the fruit trees when picking. It can effectively improve the harvesting efficiency and reduce the harvesting cost while ensuring that the fruit trees are not damaged. It is suitable for fruit picking in large-area orchards.

When the near-fruit vibrating litchi harvester is used for harvesting, the harvested fruit is single, which can eliminate the subsequent destemming operation, simplify the process, and reduce labor costs.

The close-fruit vibrating litchi harvester is not only applicable to the litchi harvesting operation, but also can be applied to the picking of small fruits such as longan, and has a wide application range.

Description of drawings

Fig. 1 is the overall structure schematic diagram of this near-fruit vibration type litchi harvester.

Fig. 2 is a structural schematic diagram of a vibrating picking mechanism and a supporting mechanism.

FIG. 3 is a schematic view of the rear structure of FIG. 2 .

Fig. 4 is a structural schematic diagram of the cooperative connection of the supporting box, the bracket and the transmission gear set.

Fig. 5 is a structural schematic diagram of the vibrating picking mechanism.

Fig. 6 is a structural schematic diagram of the connecting piece between the handle bar and the supporting box.

Detailed ways

The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example

Present embodiment is a kind of near-fruit vibrating type litchi harvester, and its structure is as shown in Figure 1, comprises vibration picking mechanism, support mechanism, transmission mechanism and control mechanism, and vibration picking mechanism is located at the end of support mechanism, and transmission mechanism is arranged at the end of support mechanism. It is on the support mechanism and connected with the vibrating picking mechanism, and the control mechanism is electrically connected with the transmission mechanism.

Wherein, as shown in Figure 5, the vibrating picking mechanism comprises a left vibrating rack 1, a right vibrating rack 2, a vibrating rack connecting rod 3, a slide bar 4, a bracket 5 and a crank slider assembly, and the bottom of the slide bar passes through the bracket and slides with the crank The block components are connected; the upper part of the slider is a T-shaped structure, and the inner side of the left vibration sparse and the inner side of the right vibration sparse are respectively connected to the left and right ends of the upper part of the slider through the vibration sparse connecting rod; the outer side of the left vibration sparse and the outer side of the right vibration sparse are respectively connected through the first The rotating shaft 8 is connected with the left and right ends of the support. Wherein, the joints of the connecting rod of the vibrating rack and the sliding bar, the left vibrating rack and the right vibrating rack are respectively provided with a second rotating shaft 9, and bearings are installed on the second rotating shaft. Axial movement; the first rotating shaft is also equipped with a bearing, and the first rotating shaft is also fixed by riveting. The lower end of the slide bar extends to the lower side of the upper wall of the box through the bracket and the through hole on the upper wall of the support box (component of the support mechanism), and one end of the slide bar connecting rod (component of the crank slider assembly) passes through the third The rotating shaft 3 and the bearing are connected to the lower end of the slide bar. For the convenience of connection, the lower end of the slide bar has a U-shaped opening; connected.

The left vibrating comb and the right vibrating comb are symmetrically arranged on the support, and the left vibrating comb and the right vibrating comb are finger-shaped respectively. Each vibrating comb has 6 fingers, and the upper part of the finger is bent at 90°.

The slider crank assembly includes an eccentric wheel 6 and a slider connecting rod 7, and the eccentric wheel is connected to the bottom of the slider bar through the slider connecting rod.

As shown in Figure 2 or Figure 3, the support mechanism includes a support box 11 and a hand-held bar 12, the support in the vibration picking mechanism is fixed on the support box, and the hand-held bar is fixedly connected with the bottom of the support box; the hand-held bar is hollow tubular structure. Among them, the hand-held rod and the support box are connected through a connecting piece 13. In order to ensure reliable connection, as shown in Figure 6, a groove 14 is opened at the end of the connecting piece connected to the hand-held rod, so that the connecting piece will be elastic after the bolt is screwed in. deformation, thereby clamping the handle bar.

The transmission mechanism includes a gasoline engine 15, a flexible shaft 16, a long shaft 22 (see Figure 3) and a transmission gear set 17. The long shaft is arranged in the hand-held rod, the transmission gear set is arranged in the support box, and the gasoline engine is connected to one end of the long shaft through a flexible shaft. , the other end of the long shaft is connected with the transmission gear set.

As shown in FIG. 4 , the transmission gear set 17 includes two bevel gears arranged perpendicularly to each other. The two bevel gears are respectively fixed on the supporting box through outer spherical bearings. The output end of the transmission gear set is connected with the slider crank assembly. The two bevel gears are meshingly connected, one of the outer ends is connected with the long shaft through a spline, and the other outer end is connected with the eccentric wheel.

As shown in Figure 1, the control mechanism includes a control panel 18 and a gasoline engine control line 19, the control panel is installed on the hand-held rod through bolts, and the control panel is electrically connected with the gasoline engine through the gasoline engine control line; as shown in Figure 2 and Figure 3, the control panel On-off button 20 and speed regulating button 21 are arranged on it. The control board is respectively connected with the throttle and flameout wires of the gasoline engine through the telecommunication and traction wires inside the gasoline engine control wire. The switch button on the control panel is used to control the opening and closing of the flameout line, and the speed control button is used to control the opening of the accelerator, so that the opening and closing of the gasoline engine and the speed of the gasoline engine can be adjusted conveniently by hand.

When the near-fruit vibrating litchi harvester works, its principle is: the driving force is provided by the gasoline engine, the output shaft of the gasoline engine drives the long shaft in the hand-held rod through the flexible shaft, and the long shaft drives the bevel gear connected to it to rotate, and the bevel gear is driven by the bevel gear to rotate. The group drives the crank slider assembly to work, and then drives the slider to reciprocate up and down on the bracket, and the reciprocating movement of the slider drives the two vibrating combs to swing left and right through the slider connecting rod. During operation, comb the vibrating comb to catch the lychee fruit on the tree, then increase the throttle through the speed control button to increase the output shaft speed of the gasoline engine, thereby increasing the vibration frequency of the vibrating comb, and the lychee fruit will fall off under the action of the vibrating comb . The front end of the vibrating comb is curved to facilitate combing the fruit on the tree. The hand-held rod is connected to the gasoline engine with a flexible shaft, so that the hands do not have to bear the weight of the gasoline engine. The gasoline engine can be placed on the ground or carried behind the back.

As mentioned above, the present invention can be better realized. The above-mentioned embodiment is only a preferred embodiment of the present invention, and is not used to limit the scope of the present invention; Covered by the scope of protection required by the claims of the present invention.

Claims (7)

1. a nearly fruit oscillatory type lichee harvester, it is characterized in that, involving vibrations picking mechanism, supporting mechanism, transmission mechanism and controlling organization, vibration picking mechanism is located at the end of supporting mechanism, transmission mechanism to be located on supporting mechanism and to be connected with vibration picking mechanism, and controlling organization and transmission mechanism are electrically connected;

Described vibration picking mechanism comprises that left vibration is dredged, right vibration is dredged, vibration dredges connecting rod, slide bar, support and crank block assembly, through support being connected with crank block assembly bottom slide bar; Slide bar top is T-shaped structure, and left vibration is dredged connecting rod respectively by vibration inside dredging inner side and right vibration being dredged and is connected with the two ends, left and right on slide bar top; Left vibration is connected with the two ends, left and right of support respectively by the first rotating shaft outside dredging outside and right vibration being dredged.

2. a kind of nearly fruit oscillatory type lichee harvester according to claim 1, is characterized in that, described left vibration is dredged and right vibration is dredged and is symmetrically set on support, and left vibration is dredged and right vibration is dredged respectively in finger-shaped, and the epimere of finger bends.

3. a kind of nearly fruit oscillatory type lichee harvester according to claim 1, it is characterized in that, described crank block assembly comprises eccentric wheel and slide bar connecting rod, and eccentric wheel is connected with bottom slide bar by slide bar connecting rod.

4. a kind of nearly fruit oscillatory type lichee harvester according to claim 1, it is characterized in that, described supporting mechanism comprises supporting box and holding rod, and the support in vibration picking mechanism is fixed on supporting box, and holding rod is fixedly connected with the bottom of supporting box; Holding rod is the tubular structure of hollow.

5. a kind of nearly fruit oscillatory type lichee harvester according to claim 4, it is characterized in that, described transmission mechanism comprises gasoline engine, flexible axle, major axis and driving gear set, major axis is located in holding rod, travelling gear is mounted in supporting box, gasoline engine is connected with major axis one end by flexible axle, and the major axis other end is connected with driving gear set.

6. a kind of nearly fruit oscillatory type lichee harvester according to claim 5, it is characterized in that, described driving gear set comprises vertically disposed two bevel gears mutually, two bevel gears are fixed on supporting box respectively by bearing with spherical outside surface, and the output of driving gear set is connected with crank block assembly.

7. a kind of nearly fruit oscillatory type lichee harvester according to claim 5, it is characterized in that, described controlling organization comprises control panel and gasoline engine control line, and control panel is installed on holding rod by bolt, and control panel is electrically connected by gasoline engine control line and gasoline engine; Control panel is provided with shift knob and speed governing button.