CN211378880U - A branch trimming device - Google Patents

Abstract

The utility model relates to a branch pruning device, comprising: a frame, the front end is provided with a suspension mechanism for installation with a power machine, and the bottom is provided with a traveling wheel; a longitudinal bracket is fixed on the frame along a vertical direction; a transverse bracket, It is arranged on the top of the longitudinal support along the horizontal direction, and its two ends extend to the left and right sides of the frame respectively to form the installation end; the belt transmission box includes two belt transmission boxes, and the two belt transmission boxes are respectively connected to the two belt transmission boxes of the transverse bracket. The installation end, the output end of the belt transmission box has a cutting shaft driven by the belt; the cutting knife is installed on the cutting shaft; the transmission box is arranged on the frame, which has an input shaft and symmetrically extending towards the left and right sides of the frame. Two output shafts, the input shaft is used for connecting with the output shaft of the power machine, and the two output shafts are respectively connected with the input ends of the two belt transmission boxes. The branch pruning device realizes the mechanization of branch pruning, which effectively reduces manual labor intensity and improves operation efficiency.

Description

A branch trimming device

technical field

The utility model relates to the technical field of agriculture, in particular to a branch trimming device.

Background technique

In many cases, it is necessary to artificially control the growth of tree branches in order to achieve the desired purpose. Taking fruit trees as an example, fruit trees such as grapevines and peach trees need to be pruned in summer to avoid excessively dense branches, thereby improving the quality of life. The ventilation and light transmission conditions of fruit trees can improve the fruit hanging rate.

At present, the pruning work of fruit branches still adopts the traditional manual pruning method, and the staff needs to hold hedge shears or ordinary scissors to prune the branches; however, for large-scale orchards, manual pruning has many disadvantages. Manual pruning has low work efficiency, high labor intensity and high labor cost. On the other hand, manual pruning is likely to cause uneven pruning quality, which is not conducive to the refined management of orchards.

Therefore, it is a technical problem that those skilled in the art need to solve urgently to provide a branch pruning device to replace the current manual pruning, so as to reduce the labor intensity of personnel and improve the quality of branch pruning.

Utility model content

The purpose of the utility model is to provide a branch pruning device, which can replace the current manual pruning, thereby reducing the labor intensity of personnel and improving the quality of branch pruning.

In order to achieve the above purpose, the branch pruning device provided by the present utility model includes:

a frame, the front end is provided with a suspension mechanism for installation with the power machine, and the bottom is provided with a traveling wheel for following the power machine;

a longitudinal support, which is fixedly arranged on the frame along the vertical direction;

A transverse support is arranged on the top end of the longitudinal support along the horizontal direction, and its two ends extend to the left and right sides of the frame respectively to form mounting ends;

The belt transmission box includes two belt transmission boxes, and the two belt transmission boxes are respectively connected to the two mounting ends of the transverse support, and the output end of the belt transmission box has a belt-driven cutting shaft;

a cutting knife, mounted on the cutting shaft;

The transmission box is arranged on the frame, and has an input shaft and two output shafts extending symmetrically toward the left and right sides of the frame. The input shaft is used for connecting with the output shaft of the power machine. The output shafts are respectively connected with the input ends of the two belt transmission boxes.

Preferably, the traveling wheels are connected with the frame through a height adjustment mechanism, so as to be able to adjust the height of the frame from the ground.

Preferably, the height adjustment device is a lead screw nut mechanism, wherein the nut is fixedly connected to the support frame of the traveling wheel, the lead screw is arranged on the frame, and the lead screw is provided with a Turn the handwheel.

Preferably, the top end of the longitudinal support is provided with a sleeve mounting member, the sleeve mounting member has a first sleeve hole and a second sleeve hole, and the axes of the first sleeve hole and the second sleeve hole are aligned with each other. wrong and parallel;

The transverse support is composed of a left end segment and a right end segment arranged separately, wherein the left end segment is penetrated and positioned in the first set hole; the right end segment is penetrated and positioned in the in the second set hole.

Preferably, both the left end segment and the right end segment are fixed in the first set hole and the second set hole by detachable fasteners, and when the detachable fasteners are released When opening, the left end segment can move left and right in the first sleeve hole, and the right end segment can move left and right in the second sleeve hole, so as to realize the cutting knife on the left and right sides and the to-be-cut The distance between the branches is adjusted, and the output shaft of the transmission box is a telescopic universal shaft whose length can be adjusted.

Preferably, the telescopic universal shaft includes a middle telescopic segment and universal joints arranged at both ends of the middle telescopic segment, and the middle telescopic segment includes at least two shaft segments that are sleeved and connected, and two adjacent ones One of the shaft segments is provided with a spline on the outer wall, and the inner wall of the other is provided with a spline groove matched with the spline; or, on the outer wall of one of the two adjacent shaft segments A spline groove is provided, and the inner wall of the other one is provided with a spline matched with the spline groove.

Preferably, both of the belt transmission boxes can be rotatably arranged at both ends of the transverse support, wherein a first adjusting device is provided between the left end segment and the belt transmission box located at the left end, so as to Adjust the left inclination angle formed by the belt transmission case at the left end and the vertical plane; a second adjusting device is arranged between the right end segment and the belt transmission case at the right end to adjust the belt transmission case at the right end The right inclination angle formed by the belt transmission case and the vertical plane.

Preferably, both the first adjusting device and the second adjusting device are hydraulic cylinders, or both the first adjusting device and the second adjusting device are electric push rods.

Preferably, the output end of the belt transmission case is provided with a plurality of the cutting shafts in the vertical direction, and the cutting knife is provided on the outer side of each of the cutting shafts.

Preferably, the belt transmission case includes a driving pulley, a steering pulley, a driven pulley, a timing belt and a tensioning mechanism, the driving pulley is installed at the input end of the belt transmission case, and the steering belt The pulley is used to change the winding direction of the timing belt to make the rotation direction of the driven pulley consistent.

Preferably, the tensioning mechanism comprises a tensioning seat and a tensioning wheel mounted on the tensioning seat, the tensioning seat is used for being fixedly connected with the casing of the belt transmission case, the tensioning wheel It is used for contacting with the synchronous belt, and the distance between the tensioning wheel and the tensioning seat is adjustable.

When carrying out branch pruning operations: firstly, the entire branch pruning device is suspended on a power machine (such as a tractor) through the suspension mechanism on the frame. on both sides and close to the branch to be pruned;

Then connect the input shaft of the transmission box with the output shaft of the power machine, and the power machine transmits the torque to the input shaft of the transmission box, and after the transmission box reverses and distributes the power, the torque is transmitted to the output shafts on the left and right sides respectively. The torque is transmitted to the belt transmission box, and then the cutting shaft is driven by the cutting shaft to rotate the cutting blade to achieve pruning. As the power machinery moves forward, the branch pruning machine can achieve the branch pruning operation of two rows of trees at a time.

It can be seen that the branch pruning device disclosed in the present utility model realizes the mechanization of branch pruning, which effectively reduces the labor intensity of labor, improves the operation efficiency, and the branches of mechanized pruning have good consistency, which is beneficial to the realization of tree pruning. Refinement management.

Description of drawings

Fig. 1 is the front structure schematic diagram of the branch pruning device disclosed in the embodiment of the present utility model;

FIG. 2 is a schematic diagram of the cooperation between the left end segment and the right end segment disclosed in the embodiment of the present utility model and the casing mounting member;

3 is a schematic diagram of the transmission structure inside the belt transmission case disclosed in the embodiment of the present invention.

Among them, 1 is the walking wheel, 2 is the rotating hand wheel, 3 is the frame, 4 is the transmission box, 5 is the output shaft, 6 is the protective cover, 7 is the driven pulley, 8 is the cutting knife, and 9 is the cutting shaft. 10 is the belt transmission box, 11 is the second adjusting device, 12 is the lug, 13 is the right end segment, 14 is the connecting seat, 15 is the left end segment, 16 is the sleeve mounting piece, 17 is the tensioning seat, 18 is the Tensioner, 19 is the driving pulley, 20 is the steering pulley, and 21 is the synchronous belt.

Detailed ways

The core of the utility model is to provide a branch pruning device, which can replace the current manual pruning, thereby reducing the labor intensity of personnel and improving the quality of branch pruning.

First of all, it should be explained that the branch pruning device disclosed in the present invention is suitable for pruning branches of various trees, especially suitable for pruning fruit branches in large-scale planting orchards.

Please refer to FIG. 1 to FIG. 3 at the same time. The branch trimming device disclosed in this embodiment includes a frame 3, a longitudinal support, a horizontal support, a belt transmission box 10, a cutting knife 8 and a transmission box 4. The frame 3 constitutes the entire branch. The support base of the trimming device provides a mounting platform for other components, the frame 3 is provided with a suspension mechanism for installation with a power machine (usually a tractor), and the bottom of the frame 3 is also provided with a power machine for moving forward The suspension structure can be a common three-point suspension structure, the longitudinal support is fixed on the frame 3 along the vertical direction, the transverse support is set at the top of the longitudinal support along the horizontal direction, and the two ends of the transverse support respectively extend to After the left and right sides of the frame 3 are formed installation ends, the belt transmission case 10 specifically includes two, and the two belt transmission cases 10 are respectively connected to the two installation ends of the transverse bracket, and the output end of the belt transmission case 10 has a belt ( The cutting shaft 9 driven by the conveyor belt) on which the cutting knife 8 is mounted; 5. The input shaft is used to connect with the output shaft of the power machine (the rear output shaft of the tractor), and the two output shafts 5 on the left and right sides are respectively connected with the input ends of the two belt transmission boxes 10 .

The end of the frame 3 provided with the suspension mechanism is connected with the power mechanism to drive the entire branch pruning device forward. Therefore, in the embodiment of the present invention, the end of the frame 3 provided with the suspension mechanism is defined as the front end of the frame 3. When a person faces When the rack 3 moves forward, the left-hand side is the left side or the left end of the rack 3 , the right-hand side is the right side or the right end of the rack 3 , and the end opposite the front end is the rear end of the rack 3 .

When the branch trimming device disclosed in the above-mentioned embodiment is used for the branch trimming operation: firstly, the entire branch trimming device is suspended on a power machine (such as a tractor) through the suspension mechanism on the frame 3, and the vertical support and the horizontal support are used. down, the belt transmission box 10 is supported to the left and right sides of the frame 3, and is close to the branches to be trimmed;

Then the input shaft of the transmission box 4 is connected with the output shaft of the power machine, and the power machine transmits the torque to the input shaft of the transmission box 4. After the transmission box 4 reverses and distributes the power, the torque is transmitted to the output shafts on the left and right sides respectively. 5. The output shaft 5 transmits the torque to the belt transmission box 10, and then drives the cutting knife 8 to rotate through the cutting shaft 9 to realize pruning. With the forward movement of the power machine, the branch pruning machine can realize the branch pruning operation of two rows of trees at a time. .

It can be seen that the branch pruning device disclosed in the present utility model realizes the mechanization of branch pruning, which effectively reduces the labor intensity of labor, improves the operation efficiency, and the branches of mechanized pruning have good consistency, which is beneficial to the realization of tree pruning. Refinement management.

It should be noted that the vertical direction setting in the above-mentioned embodiment should not be understood as an absolute vertical direction, which should include the situation of setting roughly along the vertical direction. Similarly, the horizontal direction setting should not be understood as an absolute vertical direction. The horizontal direction, which shall include the case of setting in a substantially horizontal direction.

In order to be able to adjust the height of the frame 3 from the ground, so as to adapt to the branch pruning of different trees or the branch pruning operation of the same tree in different growth periods, in the branch pruning device disclosed in this embodiment, the walking wheel 1 and the frame 3 are connected through a height adjustment mechanism; more specifically, the height adjustment device is a lead screw nut mechanism, wherein the nut is fixedly connected to the support frame of the walking wheel 1, the lead screw is arranged on the frame 3, and the lead screw is provided with Turning the hand wheel 2, as shown in Figure 1, the operator can adjust the height of the frame 3 from the ground by manually adjusting the hand wheel.

Please refer to FIG. 1 and FIG. 2 at the same time, in one embodiment, a sleeve mounting member 16 is provided at the top of the longitudinal support, and the sleeve mounting member 16 has a first sleeve hole and a second sleeve hole. The first sleeve hole The axial direction of the second set hole is staggered from each other, and the axes of the two are parallel to the left and right directions of the frame 3. The transverse support is composed of the left end segment 15 and the right end segment 13 set by the powder, and the left end segment 15 passes through. Set and positioned in the first set hole, the right end segment 13 is passed through and positioned in the second set hole.

Considering the actual branch pruning operation, it may be necessary to adjust the width of the branch pruning machine (the left and right positions of the cutting knife 8) so that the cutting knife 8 is close to the branch to be pruned. The segments 13 are respectively fixed in the first set hole and the second set hole by detachable fasteners, and when the detachable fastener is released, the left end segment 15 can be left and right in the first set hole. Move, the right end segment 13 can move left and right in the second set hole, so as to realize the adjustment of the distance between the cutting knives 8 on the left and right sides and the branches to be cut. Both are telescopic cardan shafts whose length can be adjusted.

The above-mentioned detachable fasteners may be pins, jacking wires or snaps, etc., as long as the transverse support 4 can be fastened on the horizontal sleeve, which is not limited in this application document.

Specifically, each telescopic universal shaft includes a middle telescopic section and a universal joint disposed at both ends of the middle telescopic section, and the middle telescopic section includes at least two shaft sections that are sleeved and connected. In one embodiment , a spline is arranged on the outer wall of one of the two adjacent axial segments, and a spline groove matched with the spline is arranged on the inside of the other; The outer wall of one of the segments is provided with a spline groove, and the inner wall of the other is provided with a spline matched with the spline groove.

Further, in order to be able to adjust the inclination of the two belt transmission boxes 10 at the left and right ends, so that the angle of branch pruning meets the technical requirements of gardening, in the branch pruning device disclosed in this embodiment, the two belt transmission boxes 10 can be used. Rotationally arranged at both ends of the transverse bracket, wherein a first adjusting device is provided between the left end segment 15 and the belt transmission case 10 at the left end to adjust the left end formed by the belt transmission case 10 at the left end and the vertical plane. Inclination angle, a second adjusting device 11 is provided between the right end segment 13 and the belt transmission case 10 at the right end to adjust the right inclination angle formed by the belt transmission case 10 at the right end and the vertical plane, as shown in FIG. 1 .

It is not difficult to understand that there may be various options for the first adjusting device and the second adjusting device 11 , including but not limited to hydraulic cylinders and electric push rods.

As shown in FIG. 1, the left end segment 15 and the right end segment 13 are provided with connecting seats 14, correspondingly, the belt transmission case 10 at the left end and the right end are provided with lugs 12, the first adjusting device and the second One end of the adjusting device 11 is connected with the lug 12 , and the other end is connected with the connecting seat 14 .

The number of the cutting knives 8 arranged in the height direction of the belt transmission box 10 is specifically determined according to the diameter of the cutting knives 8 and the requirements of the tree branch pruning height. The requirement is 1200mm, so it is necessary to arrange four cutting knives 8 in the height direction of the belt transmission case 10. Correspondingly, the output end of the belt transmission case 10 should also be provided with cutting shafts 9 corresponding to the number of cutting knives 8 in the vertical direction. .

Please refer to FIG. 3, the belt transmission case 10 specifically includes a driving pulley 19, a steering pulley 20, a driven pulley 7, a timing belt 21 and a tensioning mechanism, and the driving pulley 19 is connected to the input end of the belt transmission case 10, The output shaft 5 of the transmission box 4 is connected with the input end of the belt transmission box 10 to drive the driving pulley 19 to rotate, and the synchronous belt 21 connects the driving pulley 19, the driven pulley 7 and the steering pulley 20 in series to form a set of transmission mechanism , the steering pulley 20 is set close to the driven pulley 7, and the function is to change the winding direction of the synchronous belt 21 to keep the rotation direction of the driven pulley 7 consistent. As shown in Figure 3, the arrow represents the running direction of the synchronous belt 21. , in this running direction, the cutting knife 8 located on the other side of the belt transmission case 10 is driven by the driven pulley 7 to rotate in the counterclockwise direction. In order to form protection, the output shaft 5 of the transmission case 4 can also be A protective cover 6 is provided at the position connected to the belt transmission case 10, as shown in FIG. 1 .

The tensioning mechanism includes a tensioning seat 17 and a tensioning pulley 18 installed on the tensioning seat 17. The tensioning seat 17 is used for fixedly connecting with the casing of the belt transmission case 10, and the tensioning wheel 18 is used for contacting with the synchronous belt 21. , and the distance between the tensioning wheel 18 and the tensioning seat 17 is adjustable, so as to achieve the effect of always tensioning the synchronous belt 21 .

The branch pruning device provided by the present utility model has been described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (10)

1. a branch trimming device, is characterized in that, comprises: a frame (3), the front end is provided with a suspension mechanism for installation with the power machine, and the bottom is provided with a traveling wheel (1) for following the power machine; a longitudinal support, fixedly arranged on the frame (3) along the vertical direction; A transverse support is arranged at the top end of the longitudinal support along the horizontal direction, and the two ends thereof respectively extend to the left and right sides of the frame (3) to form mounting ends; There are two belt transmission boxes (10), and the two belt transmission boxes (10) are respectively connected to the two mounting ends of the transverse bracket, and the output end of the belt transmission box (10) has a belt driven by the belt the cutting shaft (9); a cutting knife (8), mounted on the cutting shaft (9); A transmission case (4) is arranged on the frame (3), and has an input shaft and two output shafts (5) symmetrically extending toward the left and right sides of the frame (3). In connection with the output shaft of the power machine, the two output shafts (5) are respectively connected with the input ends of the two belt transmission boxes (10). 2. The branch pruning device according to claim 1, characterized in that, the traveling wheel (1) is connected with the frame (3) through a height adjustment mechanism, so as to be able to adjust the distance of the frame (3). ground height. 3 . The branch trimming device according to claim 2 , wherein the height adjustment mechanism is a lead screw and nut mechanism, wherein the nut is fixedly connected to the support frame of the walking wheel ( 1 ), and the screw The rod is arranged on the frame (3), and a rotating handwheel (2) is arranged on the lead screw. 4 . The branch trimming device according to claim 1 , wherein the top end of the longitudinal support is provided with a sleeve mounting member ( 16 ), and the sleeve mounting member ( 16 ) has a first sleeve hole and a second sleeve hole. 5 . Two sleeve holes, the axes of the first sleeve hole and the second sleeve hole are staggered and parallel; The transverse support is composed of a left end segment (15) and a right end segment (13) arranged separately, wherein the left end segment (15) is passed through and positioned in the first set hole; the right end segment (15) The segment (13) is penetrated and positioned in the second set hole. 5. The branch pruning device according to claim 4, wherein the left end segment (15) and the right end segment (13) are both fixed to the first set hole by detachable fasteners and the second set hole, and when the detachable fastener is released, the left end segment (15) can move left and right in the first set hole, and the right end segment (13) ) can move left and right in the second set hole, so as to realize the adjustment of the distance between the cutting knife (8) on the left and right sides and the branches to be cut, and the output shaft (5) of the transmission box (4) is Telescopic cardan shaft with adjustable length. 6 . The branch pruning device according to claim 5 , wherein the telescopic universal shaft comprises a middle telescopic section and universal joints arranged at both ends of the middle telescopic section, and the middle telescopic section It includes at least two shaft segments that are sleeved and connected, and one of the two adjacent shaft segments is provided with a spline on the outer wall, and the inner wall of the other is provided with a spline groove matched with the spline; or, A spline groove is provided on the outer wall of one of the two adjacent shaft segments, and a spline matched with the spline groove is provided on the inner wall of the other. 7. The branch pruning device according to any one of claims 4-6, wherein the two belt transmission boxes (10) can be rotatably arranged at both ends of the transverse support, wherein the left end A first adjusting device is provided between the segment (15) and the belt transmission case (10) at the left end to adjust the left inclination angle formed by the belt transmission case (10) at the left end and the vertical plane; so A second adjusting device (11) is arranged between the right end segment (13) and the belt transmission case (10) at the right end to adjust the belt transmission case (10) at the right end and the vertical plane formed by the of right inclination. 8 . The branch trimming device according to claim 7 , wherein the first adjusting device and the second adjusting device ( 11 ) are both hydraulic cylinders, or the first adjusting device and the second adjusting device ( 11 ) are both hydraulic cylinders. 9 . The adjusting devices (11) are all electric push rods. 9. The branch pruning device according to claim 1, characterized in that, the output end of the belt transmission box (10) is provided with a plurality of the cutting shafts (9) in the vertical direction, and each cutting shaft (9) The outer sides of the shafts (9) are all provided with the cutting knives (8). 10. The branch pruning device according to claim 9, wherein the belt transmission case (10) comprises a driving pulley (19), a steering pulley (20), a driven pulley (7), a synchronous pulley The belt (21) and the tensioning mechanism, the driving pulley (19) is installed at the input end of the belt transmission case (10), and the steering pulley (20) is used to change the synchronous belt (21). The winding direction is to make the rotation direction of the driven pulley (7) consistent.

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