Saw disc type accessory head of fruit tree pruning machine

Abstract

The utility model relates to a saw disc type accessory head of a fruit tree pruning machine, which comprises a bearing mechanism, a saw disc type accessory head, a saw disc type accessory head and a saw disc type accessory head, the transmission mechanism is used for driving the saw blade, and a motor drives a transmission shaft to drive the saw blade to rotate; the cutting mechanism comprises a plurality of cutting saw blades, and the cutting saw blades complete fruit tree branch cutting work; the fruit tree pruning machine is connected with the fruit tree pruning vehicle through the connecting joint on the bearing mechanism, when the fruit tree pruning vehicle advances, the saw blade on the rotating shaft is driven by the motor to prune fruit tree branches, and when the saw blade is abraded and replaced, the saw blade is rapidly replaced through the saw blade fixing mechanism. In this way, the maintenance cost is saved, and the fruit tree pruning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fruit tree pruning machine, especially to a saw disc type accessory head of fruit tree pruning machine. BACKGROUND

[0002] In the management of fruit trees, the pruning work of fruit trees is a key point in the management of fruit trees, because the pruning of fruit trees is an important measure to regulate the growth and fruiting relationship of fruit trees, and reasonable pruning can realize the high yield of fruit trees. With the popularization of fruit forest pruning equipment, high-efficiency fruit tree pruning machines gradually replace low-efficiency manual pruning. At present, fruit tree pruning vehicles are mostly used for pruning fruit trees. The saw disc type accessory head must be installed on the mechanical arm of the fruit tree pruning vehicle during the work of the fruit tree pruning vehicle. However, the saw blade wears out quickly during the pruning of fruit tree branches. The existing saw disc type accessory head uses two saw blade fixing plates to be placed on the two sides of the saw blade respectively, and the saw blade fixing plate is connected and fixed with the saw blade through four bolts. This saw blade installation and fixing method not only needs to punch holes on the saw blade, but also the replacement speed of the saw blade is too slow, which increases the cost of saw blade maintenance and the workload of workers, and reduces the efficiency of fruit tree pruning work. SUMMARY

[0003] The utility model aims at solving the prior art's insufficient, and provides a saw disc type accessory head of fruit tree pruning machine.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A saw disc type accessory head of fruit tree pruning machine, including bearing mechanism, the top of bearing mechanism is cover plate, the top surface of cover plate is equipped with motor base, one side of cover plate is equipped with the connecting joint connected with fruit tree pruning vehicle, the bottom of bearing mechanism is bearing box, the bottom of bearing box is equipped with bearing seat, bearing seat is connected with bearing sleeve, transmission mechanism, motor is connected with the main transmission shaft of transmission mechanism, synchronous pulley is fixed on transmission shaft, bearing sleeve is placed on transmission shaft and is connected with bearing seat through bolt, adjacent transmission shaft is connected through synchronous belt transmission, cutting mechanism, cutting saw blade is connected with transmission shaft, adjacent saw blade is connected through transmission mechanism, saw blade lower portion is connected with saw blade fixed nut.

[0006] The top of bearing box has equidistantly arranged cuboid plates, the inside of bearing box is hollow, and the bottom has a protruding cylindrical bearing seat.

[0007] The motor is a hydraulic motor.

[0008] The transmission mechanism includes a synchronous pulley transmission mechanism, wherein the number of synchronous pulleys is three, the three synchronous pulleys are coaxially fixedly connected with the three saw blades respectively, and the synchronous pulleys on both sides are connected with the synchronous pulley in the middle through synchronous belts.

[0009] The three saw blades are arranged equidistantly along the length direction of the bearing box, and the middle saw blade has a longer extension length than the left and right saw blades.

[0010] The saw blade is connected with the supporting mechanism through a rotating shaft, the rotating shaft is sleeved with a bearing sleeve, the bearing sleeve is fixedly connected with a bearing seat, and one angle contact bearing is arranged at each of the two ends in the bearing sleeve, the outer ring of the angle contact bearing is fixedly connected with the bearing sleeve, and the inner ring of the angle contact bearing is connected with a transmission shaft.

[0011] One side of the saw blade is connected with the shaft shoulder of the transmission shaft, the transmission shaft is provided with external threads at the end, and the locking and fixing of the saw blade are realized through a saw blade fixing nut.

[0012] The saw blade fixing nut is a T-shaped nut, the bottom end of the nut is a circular gasket, and the top end is a hexagonal nut.

[0013] The beneficial effects of the pruning machine are as follows: when the pruning machine is used, the main transmission shaft is driven to rotate by the motor, the driven shaft is driven to rotate through the belt wheel transmission mechanism, so that the three saw blades simultaneously prune the branches of the fruit trees, the application of the saw blade fixing nut makes the replacement of the worn saw blade more convenient, the pruning efficiency of the pruning machine is improved, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a top view of the pruning machine;

[0015] Figure 2 It is a bearing box structure schematic view of the supporting mechanism of the pruning machine;

[0016] Figure 3 It is Figure 1 It is a sectional view of A-A;

[0017] Figure 4 It is a structure schematic view of the saw blade fixing nut of the pruning machine;

[0018] In the figure: 1-cover plate; 2-hydraulic motor; 3-saw blade; 4-connection joint; 5-bearing box; 6-synchronous belt; 7-synchronous belt wheel; 8-transmission shaft; 9-saw blade fixing nut; 10-bearing seat; 11-bearing sleeve; 12-angle contact bearing; 13-cuboid plate; DETAILED DESCRIPTION

[0019] The pruning machine will be further described below in combination with the drawings and embodiments:

[0020] The saw disc type accessory head of the fruit tree pruning machine comprises a bearing mechanism, the top of the bearing mechanism is a cover plate 1, the top surface of the cover plate 1 is provided with a motor 2, one side of the cover plate 1 is provided with a connecting joint 4 connected with the fruit tree pruning vehicle, the bottom of the bearing mechanism is a bearing box 5, the top of the bearing box 5 is provided with a cuboid plate 13, the bottom of the bearing box is provided with a bearing seat 10, a transmission mechanism, the motor 2 is connected with a transmission shaft 8 of the transmission mechanism, a synchronous pulley 7 is fixed on the transmission shaft 8, a bearing sleeve 11 is arranged on the transmission shaft 8 and is bolted with the bearing seat 10, adjacent transmission shafts 8 are connected through synchronous belt transmission, a cutting mechanism, a cutting saw blade 3 is connected with the transmission shaft 8, adjacent saw blades 3 are connected through the transmission mechanism, and a saw blade fixing nut 9 is connected below the saw blade 3.

[0021] The top of the bearing box 5 in the bearing mechanism is provided with equidistantly arranged cuboid plates 13, the bearing box 5 is hollow and has a protruding bearing seat 10 at the bottom, and the cover plate 1 is bolted with the cuboid plates 13 on the bearing box 5, so that the connection and fixation of the cover plate 1 and the bearing box 5 are realized.

[0022] The motor 2 in the transmission mechanism is a hydraulic motor, the hydraulic motor 2 is fixedly connected with a motor base, and the motor base is fixed on the cover plate 1 through bolts.

[0023] The transmission mechanism comprises three synchronous pulleys 7, the three synchronous pulleys 7 are coaxially and fixedly connected with corresponding saw blades 3, the synchronous pulleys 7 at the sides are connected with the synchronous pulley 7 in the middle through synchronous belts 6, the motor 2 drives the transmission shaft 8 to rotate, so that the synchronous pulley mechanism is driven to rotate, and the rotation of the plurality of saw blades is realized.

[0024] The number of the saw blades 3 in the cutting mechanism is three, the three saw blades are equidistantly arranged along the length direction of the bearing box 5, the protruding length of the middle saw blade 3 is longer than that of the saw blades on the left and right sides, and this is beneficial to improve the cutting effect of the saw blades.

[0025] The saw blade 3 is connected with the bearing box 5 through the transmission shaft 8, the transmission shaft 8 is provided with a bearing sleeve 11, the bearing sleeve 11 is connected with the bearing seat 10 through four bolts, the bearing sleeve 11 is provided with an angular contact bearing 12 at each of the two ends in the bearing sleeve 11, the outer ring of the angular contact bearing 12 is fixedly connected with the bearing sleeve 11, the inner ring of the angular contact bearing 12 is connected with the transmission shaft 8, and the bottom of the transmission shaft 8 is fixedly connected with the saw blade 3.

[0026] One side of the saw blade 3 is connected with the shaft shoulder of the transmission shaft 8, the other side is connected with the saw blade fixing nut 9, the end of the transmission shaft 8 is provided with external threads, and the saw blade fixing nut 9 is locked and fixed with the saw blade 3 through thread cooperation.

[0027] Working principle: the utility model uses, motor 2 drives transmission shaft 8 to rotate, transmission shaft 8 drives synchronous pulley 7 to rotate, and synchronous pulley 7 drives both sides synchronous pulley 7, to realize the rotation of three saw blades 3, when needing to replace saw blade, through the disassembly and locking of saw blade fixing nut 9, the replacement of blade is realized, when facing heavy fruit tree pruning task, can save the time of replacing saw blade, reduce the work load of staff, improve pruning efficiency.

[0028] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are carried out using the method concept and technical scheme of the utility model, or direct application in other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A saw disc attachment head of a fruit tree pruning machine, comprising a bearing mechanism, the top of which is a cover plate (1), the top surface of which is provided with a motor (2), one side of which is provided with a connecting joint (4) connected with a fruit tree pruning vehicle, the bottom of which is a bearing box (5), the top of which is provided with a cuboid plate (13), the bottom of which is provided with a bearing seat (10), a transmission mechanism, the motor (2) is connected with a transmission shaft (8) of the transmission mechanism, a synchronous pulley (7) is fixedly connected on the transmission shaft (8), a bearing sleeve (11) is arranged on the transmission shaft (8) and is bolted with the bearing seat (10), adjacent transmission shafts (8) are connected through synchronous belt transmission, a cutting mechanism, a cutting saw blade (3) is connected with the transmission shaft (8), adjacent saw blades (3) are connected through the transmission mechanism, and a saw blade fixing nut (9) is connected below the saw blade (3).

2. A saw disc attachment head for a fruit tree pruner according to claim 1, characterised in that, The bearing box (5) in the bearing mechanism has equidistantly arranged cuboid plates (13) on the top, and the bearing box (5) is hollow and has a protruding cylindrical bearing seat (10) on the bottom.

3. The saw disc attachment head for a fruit tree pruner according to claim 1, characterized in that, The motor (2) in the transmission mechanism is a hydraulic motor.

4. The saw disc attachment head for a fruit tree pruner according to claim 1, characterized in that, The transmission mechanism comprises three synchronous pulleys (7), the three synchronous pulleys (7) are coaxially fixedly connected with three saw blades (3), respectively, and the side synchronous pulleys (7) are connected with the middle synchronous pulley (7) through synchronous belts (6).

5. The saw disc attachment head for a fruit tree pruner according to claim 1, wherein, The number of the saw blades (3) is three, the three saw blades are equidistantly arranged along the length direction of the bearing box (5), and the protruding length of the middle saw blade (3) is longer than that of the left and right saw blades.

6. A saw disc attachment head for a fruit tree pruner according to claim 5, characterised in that, The saw blade (3) is connected with the bearing box (5) through the transmission shaft (8), the transmission shaft (8) is sleeved with the bearing sleeve (11), the bearing sleeve (11) is connected with the bearing seat (10) by four bolts, and the bearing sleeve (11) is provided with an angular contact bearing (12) at each of the two ends in the inside, the outer ring of the angular contact bearing (12) is fixedly connected with the bearing sleeve (11), and the inner ring of the angular contact bearing (12) is connected with the transmission shaft (8).

7. A saw disc attachment head for a fruit tree pruner according to claim 6, characterised in that, One side of the saw blade (3) is fixedly connected with the shaft shoulder of the transmission shaft (8), and the other side is connected with the saw blade fixing nut (9).

8. A saw disc attachment head for a fruit tree pruner according to claim 7, characterised in that, The saw blade fixing nut (9) is a T-shaped nut, the bottom end of which is a circular gasket, and the top end of which is a hexagonal nut.

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