Tree crown cutter mechanism of electric tea harvesting vehicle

Abstract

The utility model relates to a crown cutter mechanism of an electric tea harvesting vehicle. The tree crown cutting mechanism is characterized in that the tree crown cutting mechanism is installed on a transverse support of the harvesting vehicle, the transverse support comprises single-lug bulb pieces, transverse support square steel and a vehicle body width adjusting mechanism, and the transverse support square steel is connected with a supporting plate arranged on the side face of a lower flange of a steering wheel support steering mechanism through the single-lug bulb pieces on the two sides; the vehicle body width adjusting mechanism is arranged on the transverse support square steel and divides the transverse support square steel into two sections of telescopic structures. When a first motor rotates, a first cylindrical cam mechanism is driven by a coupler to rotate, and a first grooved cam on an upper cutter driving rod and a first grooved cam on a lower cutter driving rod horizontally reciprocate along grooves of the cylindrical cams. The upper cutting knife driving rod and the lower cutting knife driving rod drive the upper cutting knife and the lower cutting knife to do opposite reciprocating motion to cut tea leaves; the structure is ingenious, the stability is high, and the harvesting operation efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tree crown cutter mechanism of electric tea leaf harvesting vehicle. BACKGROUND

[0002] With the increase of the scale of tea tree planting, artificial picking of tea leaves has been gradually replaced by mechanized operation because of time-consuming, laborious and high cost. The automatic tea leaf harvesting equipment can realize rapid picking of tea leaves, and continuously picks and cuts the tea leaves on the tea tree and collects them through the collection and cutter mechanism on the equipment. As the main component, the structure design of the cutter mechanism is the premise of affecting the efficiency and stability of the whole harvesting operation. There are various cutter mechanisms on the market at present, and the utility model designs a new type of tree crown cutter mechanism. UTILITY MODEL CONTENTS

[0003] In view of the problems in the prior art, the purpose of the utility model is to provide a technical scheme of a tree crown cutter mechanism of an electric tea leaf harvesting vehicle.

[0004] The tree crown cutter mechanism of the electric tea leaf harvesting vehicle is characterized in that the tree crown cutter mechanism is installed on the transverse support of the harvesting vehicle, the transverse support includes a single ear ball head piece, a transverse support square steel and a vehicle body width adjusting mechanism, the transverse support square steel is connected with the support plate arranged on the lower flange side surface of the steering mechanism of the steering wheel support through the single ear ball head pieces on both sides, and the vehicle body width adjusting mechanism is arranged on the transverse support square steel to divide the transverse support square steel into two sections of telescopic structure.

[0005] The tree crown cutter mechanism of the electric tea leaf harvesting vehicle is characterized in that the vehicle body width adjusting mechanism includes a cross shaft type universal coupling, a forward threaded screw rod, a reverse threaded screw rod, a vehicle body width adjusting stepping motor, a nut seat and a sliding table, the cross shaft type universal coupling is connected with the forward threaded screw rod and the reverse threaded screw rod on both sides respectively, the forward threaded screw rod and the reverse threaded screw rod are connected on the transverse support square steels on both sides through the nut seat, the sliding table is arranged on one side of the transverse support square steel, the vehicle body width adjusting stepping motor is arranged on the sliding table, and the vehicle body width adjusting stepping motor drives the screw rod to rotate; since the screw rod is divided into the forward threaded screw rod and the reverse threaded screw rod, the nut seat will approach or separate each other when the vehicle body width adjusting stepping motor drives the screw rod to rotate, so as to achieve the purpose of adjusting the vehicle body width.

[0006] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that a cross shaft type universal coupling is provided with a bearing at an outer edge of one end for an operating mechanism support, an operating mechanism support bearing is externally embedded and connected to one end of an operating mechanism positioning support, the other end of the operating mechanism positioning support is connected to an L-shaped operating mechanism connecting support through a bolt, a plurality of positioning support fixing holes are arranged on the operating mechanism positioning support, a plurality of L-shaped operating mechanism support fixing holes are arranged on the L-shaped operating mechanism connecting support, and the operating mechanism positioning support and the L-shaped operating mechanism connecting support are connected to different hole positions through operating mechanism support fixing bolts and operating mechanism fixed support positioning nuts to realize height change of the L-shaped operating mechanism connecting support.

[0007] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that the tree crown cutting knife mechanism comprises a cooperatively connected tree crown cutting knife shell, a cutting knife driving mechanism cover, an L-shaped operating mechanism connecting support, and a tree crown cutting knife support and cutting knife shell transition plate, the tree crown cutting knife support and cutting knife shell transition plate are welded to the tree crown cutting knife shell, the L-shaped operating mechanism connecting support is welded to the tree crown cutting knife support and cutting knife shell transition plate, L-shaped operating mechanism support fixing holes on the L-shaped operating mechanism connecting support are used to adjust the height of the tree crown cutting knife mechanism through operating mechanism support fixing bolts and operating mechanism fixed support positioning nuts, and the L-shaped operating mechanism connecting support is installed on the transverse support of the harvesting vehicle through the operating mechanism positioning support.

[0008] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that the tree crown cutting knife shell comprises a cooperatively connected lower cutting knife, an upper cutting knife, a motor, a cylindrical cam mechanism, a groove cam, a compressed air nozzle, a compressed air pipe, a cutting knife driving mechanism cover, and a soft sealing ring, the compressed air nozzle is arranged on the tree crown cutting knife shell and connected to the compressed air pipe, the soft sealing ring is used for sealing of the compressed air pipe passing through the tree crown cutting knife shell, and the cutting knife driving mechanism cover is internally provided with a cutting knife driving mechanism.

[0009] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that the cutting knife driving mechanism comprises a cutting knife fitting plate, cutting knife fitting plate fixing bolts, a cutting knife driving mechanism base, cutting knife driving mechanism base fixing bolts, cylindrical cam supports, bearings, sliding rods, sliding rod fixing screws, bushings, upper cutting knife driving rods, lower cutting knife driving rods, cylindrical cam grooves and a coupling, the cutting knife driving mechanism base is fixed on the tree crown cutting knife shell through the cutting knife driving mechanism base fixing bolts, there are two cylindrical cam supports on the cutting knife driving mechanism base, the shaft of the cylindrical cam mechanism one is rotatably arranged through the bearings on the cylindrical cam supports, the groove cam one on the upper cutting knife driving rod is inserted into the upper cylindrical cam groove of the cylindrical cam mechanism one, and is positioned through the bushings on the upper cutting knife driving rod and the two sliding rods, and the sliding rods are finally fixed on the cylindrical cam supports through the sliding rod fixing screws; the groove cam one of the lower cutting knife driving rod is inserted into the lower cylindrical cam groove of the cylindrical cam mechanism one, and is positioned through the bushings on the lower cutting knife driving rod and the two sliding rods, and the sliding rods are finally fixed on the cylindrical cam supports through the sliding rod fixing screws.

[0010] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that the shaft of the motor one is connected with the shaft of the cylindrical cam mechanism one through the coupling, the upper cutting knife driving rod is welded with the upper cutting knife, and the lower cutting knife driving rod is welded with the lower cutting knife; one side of the Z-shaped cutting knife fitting plate is pressed on the upper cutting knife and the lower cutting knife, and the other side of the Z-shaped cutting knife fitting plate is bolted with the tree crown cutting knife shell through the cutting knife fitting plate fixing bolts; when the motor one rotates, the cylindrical cam mechanism one is driven to rotate through the coupling, the groove cam one on the upper cutting knife driving rod and the groove cam one of the lower cutting knife driving rod are horizontally reciprocated along the cylindrical cam groove, and the upper cutting knife and the lower cutting knife are driven to reciprocate towards each other through the upper cutting knife driving rod and the lower cutting knife driving rod to cut tea leaves.

[0011] The tree crown cutting knife mechanism of the electric tea leaf harvesting vehicle is characterized in that the tree crown cutting knife mechanism is used for adjusting the height of the tree crown cutting knife mechanism through the operation mechanism support fixing bolt and the operation mechanism fixed support positioning nut, the L-shaped operation mechanism connecting support is installed on the transverse support of the harvesting vehicle through the operation mechanism positioning support.

[0012] The shaft of the motor is connected to the shaft of the cylindrical cam mechanism via a coupling. The upper cutter drive rod is welded to the upper cutter, and the lower cutter drive rod is welded to the lower cutter. One side of the Z-shaped cutter bonding plate presses against the upper and lower cutters, and the other side of the Z-shaped cutter bonding plate is fixed to the canopy cutter housing by a cutter bonding plate fixing bolt. When the motor rotates, it drives the cylindrical cam mechanism to rotate via the coupling. The grooved cam on the upper cutter drive rod and the grooved cam on the lower cutter drive rod move horizontally back and forth along the groove of the cylindrical cam. The upper and lower cutter drive rods drive the upper and lower cutters to move back and forth in opposite directions to cut the tea leaves. Its structure is ingenious and stable, which can greatly improve the efficiency of harvesting operations. Attached Figure Description

[0013] Figure 1 This is a diagram illustrating the tool holder height adjustment.

[0014] Figure 2 Diagram showing the connection of the bracket for the operating mechanism;

[0015] Figure 3 Schematic diagram of the L-shaped operating mechanism connecting bracket;

[0016] Figure 4 Top view of the canopy cutter mechanism;

[0017] Figure 5 This is a cross-sectional view of the canopy cutter mechanism;

[0018] Figure 6 Isometric drawing of the cylindrical cam mechanism for the cutter;

[0019] Figure 7 This is an isometric view of the cutter drive mechanism;

[0020] Figure 8 This is a schematic diagram of the canopy cutter mechanism;

[0021] Figure 9 This is a schematic diagram of the vehicle body width adjustment mechanism. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings:

[0023] A canopy cutting mechanism for an electric tea harvesting vehicle is provided. The canopy cutting mechanism is installed on the transverse support 170 of the harvesting vehicle. The transverse support 170 includes: a single-ear ball joint 171, a transverse support square steel 172, and a vehicle width adjustment mechanism 160. The transverse support square steel 172 is connected to a support plate located on the side of the lower flange of the steering mechanism 120 of the steering wheel support through the single-ear ball joints 171 on both sides.

[0024] The vehicle body width adjusting mechanism 160 is arranged on the lateral support square steel 172 to divide the lateral support square steel 172 into two sections of telescopic structure; the vehicle body width adjusting mechanism 160 comprises a cross shaft type universal coupling 161, a forward threaded screw rod 162, a reverse threaded screw rod 163, a vehicle body width adjusting stepping motor 166, a nut seat 167 and a sliding table 168, the cross shaft type universal coupling 161 is connected with the forward threaded screw rod 162 and the reverse threaded screw rod 163 respectively on both sides, the forward threaded screw rod 162 and the reverse threaded screw rod 163 are connected on the lateral support square steel 172 on both sides through the nut seat 167, the sliding table 168 is arranged on one side of the lateral support square steel 172, the vehicle body width adjusting stepping motor 166 is arranged on the sliding table 168, and the vehicle body width adjusting stepping motor 166 drives the screw rod to rotate; since the screw rod is divided into the forward threaded screw rod 162 and the reverse threaded screw rod 163, when the vehicle body width adjusting stepping motor 166 drives the screw rod to rotate, the nut seat 167 will approach or separate from each other to achieve the purpose of adjusting the vehicle body width.

[0025] The operating mechanism support bearing 164 is arranged at the outer edge of both ends of the cross shaft type universal coupling 161, the operating mechanism positioning support 165 is arranged at one end of the operating mechanism support bearing 164, and the other end of the operating mechanism positioning support 165 is connected with the L-shaped operating mechanism connecting support 205 through a bolt; a plurality of positioning support fixing holes are arranged on the operating mechanism positioning support 165, a plurality of L-shaped operating mechanism support fixing holes 208 are arranged on the L-shaped operating mechanism connecting support 205, and the operating mechanism positioning support 165 and the L-shaped operating mechanism connecting support 205 are connected with different hole positions through the operating mechanism support fixing bolt 206 and the operating mechanism fixing support positioning nut 207 to realize the height change of the L-shaped operating mechanism connecting support 205; the tree crown cutting knife mechanism 200 is connected and arranged at the bottom of the L-shaped operating mechanism connecting support 205, the tree crown cutting knife mechanism 200 is fixed to the bottom of the L-shaped operating mechanism connecting support 205 in the form of welding, and the height change of the L-shaped operating mechanism connecting support 205 further causes the height change of the connected tree crown cutting knife mechanism 200.

[0026] The tree crown cutting knife mechanism 200 comprises a tree crown cutting knife shell 201, a cutting knife driving mechanism cover 202, an L-shaped operating mechanism connecting support 205 and a tree crown cutting knife support and cutting knife shell transition plate 209, the tree crown cutting knife support and cutting knife shell transition plate 209 is welded with the tree crown cutting knife shell 201, the L-shaped operating mechanism connecting support 205 is welded on the tree crown cutting knife support and cutting knife shell transition plate 209, and the L-shaped operating mechanism connecting support 205 is used for connecting the operating mechanism positioning support 165.

[0027] The inside of the crown cutter shell 201 contains the lower cutter 210, the upper cutter 211, the motor 212, the cylindrical cam mechanism 213, the groove cam 214, the compressed air nozzle 203, the compressed air pipe 204, the cutter drive mechanism cover 202 and the soft sealing ring 215 connected together, the compressed air nozzle 203 is arranged on the crown cutter shell 201 and connected with the compressed air pipe 204, the soft sealing ring 215 is used for sealing the compressed air pipe 204 through the crown cutter shell 201, and the cutter drive mechanism cover 202 is internally provided with the cutter drive mechanism.

[0028] The cutter drive mechanism includes the cutter fitting plate 700, the cutter fitting plate fixing bolt 701, the cutter drive mechanism base 702, the cutter drive mechanism base fixing bolt 703, the cylindrical cam support 704, the bearing 705, the sliding rod 706, the sliding rod fixing screw 707, the bushing 708, the upper cutter drive rod 709, the lower cutter drive rod 710, the cylindrical cam groove 711 and the coupling 712 connected together, the cutter drive mechanism base 702 is fixed on the crown cutter shell 201 through the cutter drive mechanism base fixing bolt 703, there are two cylindrical cam supports 704 on the cutter drive mechanism base 702, the shaft of the cylindrical cam mechanism 213 is inserted through the bearing 705 on the cylindrical cam support 704 to make it rotate flexibly, the groove cam 214 on the upper cutter drive rod 709 is inserted into the cylindrical cam groove 711 on the upper part of the cylindrical cam mechanism 213, and is positioned by two sliding rods 706 passing through the bushing 708 on the upper cutter drive rod 709, and the sliding rod 706 is finally fixed on the cylindrical cam support 704 by the sliding rod fixing screw 707; the groove cam 214 on the lower cutter drive rod 710 is inserted into the cylindrical cam groove 711 on the lower part of the cylindrical cam mechanism 213, and is positioned by two sliding rods 706 passing through the bushing 708 on the lower cutter drive rod 710, and the sliding rod 706 is finally fixed on the cylindrical cam support 704 by the sliding rod fixing screw 707.

[0029] The shaft of the motor 212 is connected with the shaft of the cylindrical cam mechanism 213 through the coupling 712, the upper cutter driving rod 709 is welded with the upper cutter 211, and the lower cutter driving rod 710 is welded with the lower cutter 210; one side of the Z-shaped cutter fitting plate 700 is pressed against the upper cutter 211 and the lower cutter 210, and the other side of the Z-shaped cutter fitting plate 700 is bolted with the crown cutter shell 201 through the cutter fitting plate fixing bolt 701; when the motor 212 rotates, the cylindrical cam mechanism 213 is driven to rotate through the coupling 712, the groove cam 214 on the upper cutter driving rod 709 and the groove cam 214 on the lower cutter driving rod 710 move horizontally and reciprocally along the cylindrical cam groove 711, and the upper cutter 211 and the lower cutter 210 are driven to move reciprocally towards each other through the upper cutter driving rod 709 and the lower cutter driving rod 710 to cut tea leaves. The compressed air nozzle 203 blows compressed air, so that the cut tea leaves are blown to the tea harvesting bag through the tea harvesting hose. Embodiment

[0030] The crown cutter support and the cutter shell transition plate 209 are welded with the crown cutter shell 201, the connection strength of the cutter support and the crown cutter shell 201 is increased, the L-shaped operation mechanism connecting support 205 is welded on the crown cutter support and the cutter shell transition plate 209, and the L-shaped operation mechanism support fixing hole 208 on the L-shaped operation mechanism connecting support 205 is used for adjusting the height of the crown cutter mechanism 200 through the operation mechanism support fixing bolt 206 and the operation mechanism fixing support positioning nut 207.

[0031] The cutter driving mechanism cover 202 is internally provided with the driving motor 212, the cylindrical cam mechanism 213 and the groove cam 214, one end of the groove cam 214 is embedded in the groove line of the cylindrical cam mechanism 213, and the other end is connected with the upper cutter 211; when the motor 212 rotates to drive the cylindrical cam mechanism 213 to rotate, the groove cam 214 is embedded in the cylindrical cam mechanism 213, so as to drive the upper cutter 211 to reciprocate.

[0032] When the harvesting operation is performed, the motor 212 rotates to finally drive the upper cutter 211 blade to reciprocate, and the compressed air nozzle 203 blows compressed air, so that the cut tea leaves are blown to the tea harvesting bag through the tea harvesting hose.

[0033] The cutter driving mechanism base 702 of the tree crown cutter mechanism 200 is fixed on the tree crown cutter shell 201 by cutter driving mechanism base fixing bolts 703, and two cylindrical cam supports 704 are arranged on the cutter driving mechanism base 702, the shaft of the cylindrical cam mechanism one 213 is rotatable through bearings 705 on the cylindrical cam supports 704, the groove cam one 214 on the upper cutter driving rod 709 is inserted into the cylindrical cam groove 711 on the upper part of the cylindrical cam mechanism one 213, and is positioned by two sliding rods 706 passing through the bushings 708 on the upper cutter driving rod 709, and the sliding rods 706 are finally fixed on the cylindrical cam supports 704 by sliding rod fixing screws 707. In the same way, the groove cam one 214 on the lower cutter driving rod 710 is inserted into the cylindrical cam groove 711 on the lower part of the cylindrical cam mechanism one 213, and is positioned by two sliding rods 706 passing through the bushings 708 on the lower cutter driving rod 710, and the sliding rods 706 are finally fixed on the cylindrical cam supports 704 by sliding rod fixing screws 707.

[0034] The shaft of the motor one 212 is connected with the shaft of the cylindrical cam mechanism one 213 through a coupling 712, the upper cutter driving rod 709 is welded with the upper cutter 211, and the lower cutter driving rod 710 is welded with the lower cutter 210. One side of the Z-shaped cutter abutting plate 700 is pressed against the upper cutter 211 and the lower cutter 210, and the other side of the Z-shaped cutter abutting plate 700 is bolted with the tree crown cutter shell 201 by cutter abutting plate fixing bolts 701.

[0035] When the motor one 212 rotates, the cylindrical cam mechanism one 213 is driven to rotate by the coupling 712, the groove cam one 214 on the upper cutter driving rod 709 and the groove cam one 214 on the lower cutter driving rod 710 make horizontal reciprocating motion along the cylindrical cam groove 711, and the upper cutter 211 and the lower cutter 210 are driven to reciprocate towards each other by the upper cutter driving rod 709 and the lower cutter driving rod 710 to cut tea leaves.

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A canopy cutter mechanism of an electric tea leaf plucking vehicle, characterized by: The crown cutting knife mechanism is installed on the lateral support of the harvesting vehicle, the lateral support includes a single ear ball head piece, a lateral support square steel and a vehicle body width adjustment mechanism, the lateral support square steel is connected with the support plate arranged on the lower flange side of the steering mechanism of the steering wheel support through the single ear ball head pieces on both sides, and the vehicle body width adjustment mechanism is arranged on the lateral support square steel to divide the lateral support square steel into two sections with telescopic structure.

2. A canopy cutter mechanism for an electric tea leaf plucking vehicle as claimed in claim 1, wherein The vehicle body width adjustment mechanism includes a cross shaft type universal coupling, a forward threaded screw rod, a reverse threaded screw rod, a vehicle body width adjustment stepping motor, a nut seat and a sliding table, the cross shaft type universal coupling is connected with the forward threaded screw rod and the reverse threaded screw rod on both sides respectively, the forward threaded screw rod and the reverse threaded screw rod are connected with the lateral support square steels on both sides through the nut seat, and the sliding table is arranged on one side of the lateral support square steel, the vehicle body width adjustment stepping motor is arranged on the sliding table, and the vehicle body width adjustment stepping motor drives the screw rod to rotate; since the screw rod is divided into the forward threaded screw rod and the reverse threaded screw rod, the nut seat will be close to or separated from each other when the vehicle body width adjustment stepping motor drives the screw rod to rotate, so as to achieve the purpose of adjusting the vehicle body width.

3. A canopy cutter mechanism for an electric tea leaf plucking vehicle as claimed in claim 2, wherein The cross shaft type universal coupling is provided with a bearing for operating mechanism support at the outer edge of both ends, the operating mechanism positioning support is arranged at one end of the operating mechanism positioning support outside, and the other end of the operating mechanism positioning support is connected with an L-shaped operating mechanism connecting support through a bolt; a plurality of positioning support fixing holes are arranged on the operating mechanism positioning support, a plurality of L-shaped operating mechanism support fixing holes are arranged on the L-shaped operating mechanism connecting support, and the operating mechanism positioning support and the L-shaped operating mechanism connecting support are connected with different hole positions through operating mechanism support fixing bolts and operating mechanism fixed support positioning nuts, so that the height of the L-shaped operating mechanism connecting support can be changed.

4. A canopy cutter mechanism of an electric tea leaf plucking vehicle as claimed in claim 1, wherein The crown cutting knife mechanism includes a crown cutting knife shell, a cutting knife driving mechanism cover, an L-shaped operating mechanism connecting support and a crown cutting knife support and cutting knife shell transition plate, the crown cutting knife support and cutting knife shell transition plate are welded with the crown cutting knife shell, the L-shaped operating mechanism connecting support is welded on the crown cutting knife support and cutting knife shell transition plate, the L-shaped operating mechanism support fixing holes on the L-shaped operating mechanism connecting support are used for adjusting the height of the crown cutting knife mechanism through the operating mechanism support fixing bolts and the operating mechanism fixed support positioning nuts, and the L-shaped operating mechanism connecting support is installed on the lateral support of the harvesting vehicle through the operating mechanism positioning support.

5. A canopy cutter mechanism for an electric tea leaf plucking vehicle as claimed in claim 4, wherein The crown cutting knife shell includes a lower cutting knife, an upper cutting knife, a motor, a cylindrical cam mechanism, a groove cam, a compressed air nozzle, a compressed air pipe, a cutting knife driving mechanism cover and a soft sealing ring, the compressed air nozzle is arranged on the crown cutting knife shell and connected with the compressed air pipe, the soft sealing ring is used for sealing the compressed air pipe through the crown cutting knife shell, and the cutting knife driving mechanism cover is internally provided with a cutting knife driving mechanism.

6. A canopy cutter mechanism for an electric tea leaf plucking vehicle as claimed in claim 5 wherein The cutting knife driving mechanism comprises a cutting knife fitting plate, a cutting knife fitting plate fixing bolt, a cutting knife driving mechanism base, a cutting knife driving mechanism base fixing bolt, a cylindrical cam support, a bearing, a sliding rod, a sliding rod fixing screw, a bushing, an upper cutting knife driving rod, a lower cutting knife driving rod, a cylindrical cam groove and a coupling, the cutting knife driving mechanism base is fixed on the tree crown cutting knife shell through the cutting knife driving mechanism base fixing bolt, there are two cylindrical cam supports on the cutting knife driving mechanism base, the shaft of the cylindrical cam mechanism one is rotatable through the bearing on the cylindrical cam support, the groove cam one on the upper cutting knife driving rod is inserted into the cylindrical cam groove on the upper part of the cylindrical cam mechanism one, and is positioned through the two sliding rods passing through the bushings on the upper cutting knife driving rod, and the sliding rods are finally fixed on the cylindrical cam support through the sliding rod fixing screws; the groove cam one on the lower cutting knife driving rod is inserted into the cylindrical cam groove on the lower part of the cylindrical cam mechanism one, and is positioned through the two sliding rods passing through the bushings on the lower cutting knife driving rod, and the sliding rods are finally fixed on the cylindrical cam support through the sliding rod fixing screws.

7. A canopy cutter mechanism for an electric tea leaf plucking vehicle as claimed in claim 6, wherein The shaft of the motor one is connected with the shaft of the cylindrical cam mechanism one through the coupling, the upper cutting knife driving rod is welded with the upper cutting knife, the lower cutting knife driving rod is welded with the lower cutting knife, one side of the Z-shaped cutting knife fitting plate is pressed on the upper cutting knife and the lower cutting knife, and the other side of the Z-shaped cutting knife fitting plate is bolted with the tree crown cutting knife shell through the cutting knife fitting plate fixing bolt; when the motor one rotates, the cylindrical cam mechanism one is driven to rotate through the coupling, the groove cam one on the upper cutting knife driving rod and the groove cam one on the lower cutting knife driving rod move horizontally and reciprocally along the cylindrical cam groove, and the upper cutting knife and the lower cutting knife are driven to move reciprocally towards each other through the upper cutting knife driving rod and the lower cutting knife driving rod to cut tea leaves.

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