WO2020010825A1

WO2020010825A1 - Four-wheel drive remote control rotary tiller

Info

Publication number: WO2020010825A1
Application number: PCT/CN2019/000120
Authority: WO
Inventors: 邓宝强
Original assignee: 邓宝强
Priority date: 2018-07-09
Filing date: 2019-06-10
Publication date: 2020-01-16
Also published as: CN109076731A

Abstract

A four-wheel drive remote control rotary tiller, comprising a remote controller (90), a frame, and an engine (91); the rear end of a transmission seat (9) is connected to a bevel gear box (1), and the front end of the transmission seat (9) extends into the lower rear end of a boat (42) and is inclined 30 degrees downward to connect with the boat (42); the inside of each rotary tilling wheel (4) is a hollow cylinder, and a disc (5) is connected in the hollow cylinder; a power clutch is mounted at a side end of a gearbox (40) and is connected to a pulley (39); a shift motor (35) performs gear shifting by a shift gear (36) engaging with a screw gear (38) and performing transmission to drive a nut (20) to move and perform gear engagement, so that reverse gear is shifted. The four-wheel drive remote control rotary tiller has a simple structure, can be operated conveniently and flexibly, can be used for fielding digging, soil digging, and field rolling, and can be used for two purposes.

Description

Four-drive remote-control rotary tiller

Technical field

The invention relates to a tillage machine, and specifically to a small and lightweight four-drive remote-control rotary tiller.

Background technique

In the prior art, there is a defect, such as large and medium-sized cultivating machinery, which is bulky and bulky, and is basically unusable for failed mud fields and winter mud fields. Therefore, the applicant designed a "small remote-control rotary tiller" and submitted it to China. The patent office filed a patent application with the application number 2014101134338 and the filing date of March 17, 2014. This machine has certain positive effects, but also has shortcomings. First, the front steering wheels do not have a differential steering angle that is too large; second, the front and rear wheels cannot be driven synchronously, and they cannot walk in a paddy field and cannot be used at all.

Summary of the invention

Therefore, the purpose of the present invention is to address the shortcomings of the prior art, and to design a four-wheel drive remote-control rotary cultivator, which can be used for digging, digging, and Putian, and can be used in one machine. The front and rear wheels can be driven synchronously. The wheel rotates quickly to dig the soil, and the ship is used as the carrier of the four-wheel drive remote-control rotary cultivator, which overcomes the defects of the existing cultivating machinery and cannot work in the mudfield and winter mudfield, and has a simple structure, low cost and convenient operation.

The technical solutions adopted by the present invention to solve its technical problems are as follows:

A four-wheel drive remote-control rotary cultivator includes a remote controller, a frame and an engine. The rear end of the transmission seat is connected to a bevel gear box. A hollow cylinder is connected with a disc in the hollow cylinder. The three discs are installed on the transmission discs at the two ends of the bevel gear box. The power clutch is installed on the side of the gearbox and connected to the pulley. The gear mainly depends on the gear motor through the gear gear and the screw gear meshing to drive the wire mother to move the gear and change gears. The rear end of the gearbox is equipped with a gearbox. The input shaft is equipped with a gear clutch. The clutch consists of a first gear, a pull plate, a pull plate, a spring, and a clutch rod. The steering ball is installed at the two ends of the toothbrush through a cylinder and connected to the side cover. The steering knuckle shell is installed at the outer end of the steering ball. Steering pins are fixedly connected. Spline teeth on both ends of the cross axle are connected to the planetary side teeth and the other end is inserted into the steering support. The spline teeth are connected to the splined end caps installed on both sides of the steering sleeve. The left and right pair of driving wheel teeth are opened There is a slot, the rubber wheel belt is installed on the slot and can be driven on the road by locking the buckle. The angle tooth is connected with the angle tooth shaft as a whole. It is installed in the angle tooth seat to transmit and drive through the transmission shaft. The remote control receiver The 7-way output is installed in the middle of the rear of the ship. The spline output shaft extends from both ends of the gearbox. The front end is connected to the top of the transmission shaft through a spline sleeve. The rear end is equipped with a hanging screw and a spring on the shaft. And a tooth-embedded clutch, a wire nut and a turntable are installed on the hanging screw, and the turntable is connected with the hanging screw.

The toothpick is equipped with an internal rotation differential. The internal rotation differential is composed of two planetary teeth, two planetary side teeth and pelvic angle teeth. The angle teeth and the pelvic angle teeth are meshed to change speed, and the planetary side is driven by internal rotation. The teeth rotate, the rear end of the connection support extends into the ship and engages the front of the ship. The front end is connected to the connection sleeve. The connection sleeve is fixedly connected to the angle tooth seat through a bearing. The upper end of the toothbrush is equipped with a turbine steering gear assembly. The steering motor is driven through the sleeve connection. The telescopic motor of the tail wheel is driven by the telescopic motor through the trapezoidal screw to slide the hexagonal tube up and down, so that the tail wheel installed at the lower end of the hexagonal tube slides up and down. The output shaft protrudes from both ends of the gearbox. The end mount is provided with a universal joint, and the front end is provided with a tooth inlay. The tooth inlay is provided with a bearing, which is connected to the top of the spline output shaft through the bearing, and is driven by the clutch engagement and transmission.

There is a fast gear and a low gear in the attached gearbox. The gear is double-geared, the fifth gear, and the fourth gear slide back and forth between the two gears to change gears. The inside of the roller is a hollow cylinder. A circular disc is connected in the cylinder, and is installed on the transmission discs at both ends of the bevel gear box through three screw holes opened on the disc.

The invention has the advantages of simple structure, convenient and flexible operation, and can be used for digging fields, digging soil and putian fields, and having one machine and two functions.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention is further described below with reference to the drawings and the embodiments given below:

Figure 1-Top view of the structure of a four-drive remote-control rotary cultivator

Figure 2-Top view of gearbox structure

Figure 3-top view of the structure with attached gearbox

Figure 4-a top view of the front drive tooth structure

Figure 5-left view of the structure of the four-drive remote-control rotary tiller

Figure 6-left view of the drive wheel structure

Figure 7-Top view of the structure of the four-wheel drive remote-control Pu roller

Figure 8-Top view of the transmitter

detailed description

As shown in Figures 1 to 5, the ship is used as the carrier of the four-wheel drive remote-control rotary cultivator. The ship has a front arc, a rear arc, and a lower arc. On the transmission discs 6 at both ends, the rear end of the transmission seat 9 is connected to the bevel gear box 1. The front end of the transmission seat 9 extends into the ship 42 and the lower end is inclined 30 degrees downward to engage the ship 42. The transmission seat 9 is provided with a transmission shaft 30 and a transmission shaft. 30 The rear end extends into the bevel gear box 1 and a small bevel gear 8 is mounted on the top end. The front end is connected to the universal joint 11 by a spline. The rotary cultivating wheel 4 is a hollow cylinder and is connected with an empty cylinder. The disc 5 is installed on the transmission disc 6 at both ends of the bevel gear box 1 through three screw holes opened on the disc 5. The tool magazine 3 is connected outside the empty cylinder, and the rotary cutter 2 is installed in the tool magazine 3. Inside, the bevel gear box 1 is provided with a small bevel gear 8 and a large bevel gear 29, respectively. The small bevel gear 8 and the large bevel gear 29 provided on the drive output shaft 7 are meshed and shifted to change speed. The left and right pair of rotary cultivating wheels at both ends of the bevel gear box 1 dig the soil at four speeds.

As shown in Figures 1-2 and 5, the upper part of the frame is two parallel tracks. The engine 91 is mounted on the frame and can be moved forward and backward. The power clutch is installed on the side of the gearbox 40 and connected to the pulley 39. The pulley 39 is driven by the engine 91 through a belt. The separating tripod is installed outside the transmission input shaft 55. The clutch motor 41 is used to pull the separation tripod to rotate the clutch. The input shaft 55 is provided with a first gear 50 and a second gear. Gear 51, third gear 49, and fourth gear 52 are mounted on the second shaft. The third shaft 57 protrudes from the outer end of the gearbox 40, and a small gear 53, a sliding gear 54, and a screw are respectively mounted on the shaft. The gear 38 and the screw gear 38 are mounted on the outer end of the third shaft 57 through the bearing and connected with the screw as a whole. The pull disk 56 is mounted on the side of the sliding gear 54 through the bearing and is connected to the sliding gear 54. The upper part is provided with two tie rods 19, and the other end of the tie rod 19 extends out of the outer end of the box and is installed on the wire mother 20. The gear is mainly driven by the gear motor 35 through the gear gear 36 and the screw gear 38 to rotate at a variable speed to drive the wire. The female 20 moves, and the female 20 drives the pull disk 56 through the pull rod 19 to make the sliding gear 5 4 Slide the hanging gear back and forth on the third shaft to change gears. When the sliding gear 54 meshes with the fourth gear 52, it is reverse gear.

As shown in FIG. 1 and FIG. 2, a first gear and a second gear are provided at the lower end of the transmission 40. The gear is composed of a conjoined gear 60, a gear 58, and a gear 59. The gear tray 61 is connected to the conjoined gear 60 through a bearing. The side of the gear tray 61 is provided with two tie rods 19. The other end of the tie rod 19 extends beyond the outer end of the box and is installed on the wire mother 20. The female 20 is installed on the hanging screw 63, and the turntable 18 is connected to the hanging screw 63. The hanging screw 63 is installed on the outer end of the spline output shaft 48 through the bearing and is matched with the female screw 20. The manual gear is used. When the gear is turned, the turntable 18 is rotated to cause the wire screw 63 to move the female 20, and the lever 19 is used to drive the gear 61 to move the conjoined gear 60 on the spline output shaft 48. When the conjoined gear 60 meshes with the gear 58, the second gear is engaged. When the conjoined gear 60 is engaged with the gear 59, it is first gear. The spline output shaft 48 protrudes from both ends of the gearbox 40, and the front end is connected to the transmission shaft 22 through the spline sleeve 21. The top ends are connected, and the rear ends are respectively provided with a suspension screw 63, a spring 62 and a tooth clutch 17 on the shaft. The tooth clutch 17 is engaged by the teeth by a clutch. 14 controls the clutch operation.

As shown in FIGS. 1 to 2 and 3, two gearboxes are installed in the ship 42. A gearbox 34 is installed at the rear end of the gearbox 40. The gearbox 34 is composed of three shafts for two-speed transmission. A gear clutch is mounted on the input shaft 64 in the transmission 34. The clutch is composed of a first gear 65, a pull plate 56, a pull plate 32, a spring 66, and a clutch lever 33. The pull plate 56 is mounted on the first gear 65 side through a bearing. It is connected to the first gear 65 at the end, and two clutch levers 33 are mounted on the pull plate 56. The other end of the clutch lever 33 protrudes from the outer end of the gear shift plate 34. A pull plate 32 is installed at the top of the clutch plate. A small hole is provided, and a steel wire rope is installed in the small hole. The steel wire rope is connected to the working clutch handle 31. The working clutch handle 31 is pulled up by the pull plate 32 and the pull plate 56 is driven by the clutch lever 33 to make the first gear 65 and the second The gear 67 is disengaged, and the working clutch handle 31 is loosened downward during the meshing. The first gear 65 and the second gear 67 are meshed with each other through a spring 66 to transmit gear at a variable speed. A fourth gear 72 and a fifth gear 70 are installed on the output shaft 71, respectively. , Teeth 15 and gimbal 11, output shaft 71 protrudes from both ends of gearbox 34, and is installed at the rear end The universal joint 11 is provided with a tooth insert 15 at its front end, and a bearing is installed in the tooth insert 15 and is connected to the top of the spline output shaft 48 through the bearing. When the first gear 65 and the second gear 67 are disengaged, the spline output shaft 48 is fitted with the inlay clutch 17 through the inlay clutch 17 to transmit the drive with the transmission output shaft 71 through the universal joint 11. When the inlay clutch handle 14 is pulled up through the mechanism, the inlay clutch 17 is disengaged from the inlay 15 When it is on, the output shaft 71 is not rotating at this time, that is, all the rear end sections are not rotating.

As shown in FIGS. 1 to 3, a low speed gear and a fast two speed gear are provided in the auxiliary gearbox 34. The gear position is composed of a double gear 68, a fourth gear 72 and a fifth gear 70, and the double gear 68 has a side end. A pull disk 56 is installed. The pull disk 56 is connected to the double-connected gear 68 through a bearing. Two pull rods 19 are installed at the side of the pull disk 56. The other end of the pull rod 19 extends out of the box. The baffle 12 is provided with a silk mother in the middle of the hanging baffle 12, and a screw rod 69 is installed in the silk mother to be matched with the silk. The front end of the screw rod 69 is fixed on the outer cover of the box through a bearing. The gear position is manually hung. When the gear is in gear, the handle 10 is rotated to cause the screw rod 69 to move the hanging baffle plate 12 through the wire mother. The pull rod 19 drives the pull plate 56 to cause the double gear 68 to slide back and forth on the two shafts to change gears. The double gear 68 and the fourth gear Gear 72 is a low-speed gear when meshing, and double gear 68 is a fast gear when meshing with fifth gear 70. This gear has been used for low-speed and fast-speed two gears for the soil hardness of the rotary tiller wheel 4.

As shown in FIGS. 1 to 4 and FIG. 5, the rear end of the connecting support 43 extends into the ship 42 and is connected to the front and middle of the ship 42. The front end of the connecting support 43 is connected to the connecting sleeve 44, and the connecting sleeve 44 is installed at the corner through a bearing. On the tooth base 81, the front end of the angle tooth base 81 extends into the tooth pocket 45 and is connected to the rear case of the tooth pocket. An internal rotation differential 80 is installed in the tooth pocket 45. The internal rotation differential 80 is composed of two planetary teeth 77. The two planetary side teeth 78 and the basin angle teeth 76 are formed. The angle teeth 79 are integrated with the angle shaft and installed in the angle seat 81. The drive is transmitted through the transmission shaft 22 to make the angle teeth 79 and the basin angle teeth 76. After the gear shifting, the planetary teeth 78 are driven by the planetary teeth 77 to rotate at different speeds. The steering ball 27 is installed on the two ends of the toothbrush 45 through the cylinder and connected to the side cover. The knuckle shell 26 is installed on the steering ball 27. The outer end is fixedly connected by the steering pin 74. The steering sleeve 25 is installed on the steering support 73 through bearings. The steering support 73 is installed on the side end of the steering knuckle housing 26 by bolts. Steering drive wheel 23, two ends of the cross half shaft 75 are provided with spline teeth, one end of which is inserted into the planetary side tooth 78 for meshing connection, and the other end of which is inserted into the steering support 73 and installed on the The splined end caps 24 on both sides of the steering sleeve 25 are internally connected and driven. A turbo steering gear assembly 46 is installed on the upper end of the toothbrush 45, and a steering motor 89 is installed on the upper end of the turbine steering gear assembly 46. The front end of the steering motor 89 is provided. There is a gear box, which is integrated with the steering motor 89. The lower end of the steering motor 89 is connected to the top steering input shaft of the turbine steering gear assembly 46 through a sleeve 87. The turbine steering gear assembly 46 drives the steering rod 47 through the mechanism. The steering driving wheels 23 installed at both ends of the steering sleeve 25 are turned left and right, and a lock pin 82 is installed on the outside of the connecting sleeve 44. The lock pin 82 has the tail wheel 83 put down on the road and can be locked by three points. dead.

As shown in Figs. 5 to 6, a tail wheel telescopic rod 86 is installed in the middle of the rear of the ship 42. The tail wheel telescopic rod 86 is composed of inner and outer hexagonal tubes. The tail wheel 83 is installed on the tail wheel fork 84. The tail wheel fork The upper end of the 84 is connected with the lower end of the inner hexagonal tube 85. The upper end of the inner hexagonal tube 85 is provided with a trapezoidal wire nut. The trapezoidal lead screw 88 is installed in the trapezoidal wire nut and a matching combination of the nut. The output shaft of the motor 89 is connected. When the telescopic motor 89 rotates, the tail wheel 83 mounted on the lower end of the hexagonal pipe is slid up and down by a trapezoidal screw 88 through a trapezoidal thread mother. A pair of left and right driving wheels 23 are provided with a card. In the groove 28, two ends of the rubber wheel belt 92 are respectively provided with locks. If walking on the road, the tail wheel 83 is first lowered, and then the rubber wheel belt 92 is installed on the groove 28, and the road can be driven by the buckle.

As shown in FIG. 7, the inside of the pu roller 93 is a hollow cylinder, and a disc 5 is connected in the hollow cylinder. The transmission discs installed at both ends of the bevel gear box 1 are installed through three screw holes in the disc 5. On the 6th, the four-drive remote-control rotary tiller can be used for one machine and can be used in Putian. If you want to work in the mud field, you just need to remove the rotary tiller wheel 4 and install the Pu roller 93. Pull the work clutch handle 31 to make The first gear 65 is disengaged from the second gear 67. At this time, the internal transmission gear of the transmission 34 is disconnected, and then the tooth engagement clutch handle 14 is lowered. The tooth engagement clutch 17 and the tooth engagement 15 are fitted directly by the output shaft 71. The universal joint 11 transmits driving, and the pu rollers 93 installed at both ends of the bevel gear box 1 rotate the putian.

As shown in Figures 1 to 5, the remote control receiver 90 is installed in the middle of the rear of the ship 42. The receiver 90 uses 7 outputs, one total stop protection switch, two as a group, and each group controls a motor. Forward and reverse rotation, the generator 16 is installed in the ship 42 and is driven by the engine 91 through a belt, so that the power generated by the generator 16 is supplied to the battery 13. The transmitter 99 is provided with a clutch switch 95 and a left and right steering switch 98. The stop button switch 94, the total stop protection button switch 96 and the forward button switch 97 are controlled by the above switches during operation.

The working process is as follows:

Pull on the clutch clutch handle 14 to engage the clutch clutch 17 to release, release the working clutch handle 31, and the clutch gear 65 meshes with the second gear 67. At this time, start the engine 91 and push the clutch switch 95 backward. The clutch closes the machine. That is, the vehicle starts to drive. The rear end is driven by variable speed transmission with a gearbox 34, so that the rotary wheel 4 installed at both ends of the bevel gear box 1 is quickly rotated to dig the soil. The angle teeth 79 and the pelvis angle teeth 76 mesh and change direction to drive the tooth pocket internal rotation 80 differential drive, so that the steering driving wheels 23 installed at both ends of the steering sleeve 25 rotate and exercise. At this time, the left and right steering switches 98 are pushed to the left. Steer, push right to steer and control the operation arbitrarily.

It can be seen that the present invention has a simple structure, convenient and flexible operation, and can be used in one machine for digging, digging, and putian. It has been proved by practice that its use effect is superior.

Claims

A four-drive remote-control rotary cultivator includes a remote controller, a frame and an engine, which is characterized in that the rear end of a transmission base (9) is connected to a bevel gear box (1), and the front end extends into the ship (42) and the lower end is downward. It is connected with the ship (42) at an oblique angle of 30 degrees. The hollow tiller wheel (4) is a hollow cylinder, and a disc (5) is connected in the empty cylinder. It is installed through 3 screw holes on the disc (5). The power transmission clutch (6) is provided on both ends of the bevel gear box (1). The power clutch is installed on the side of the gearbox (40) and connected to the pulley (39). (36) After meshing with the screw rod gear (38), the wire nut (20) is shifted to shift the gears. The rear end of the gearbox (40) is equipped with a gearbox (34). Input is in the gearbox (34). The shaft (64) is provided with a gear clutch, which is composed of a first gear (65), a pull plate (56), a pull plate (32), a spring (66), and a clutch lever (33). The two ends of the toothbrush (45) pass through the cylinder and are integrated with the side cover. The knuckle shell (26) is installed on the outer end of the steering ball (27). It is fixedly connected by the steering pin (74). 75) The spline teeth on both ends protrude into the planetary side teeth (78) for meshing connection, One end extends into the steering support (73) and is connected with the spline end cover (24) installed on both sides of the steering sleeve (25) to mesh with the drive. A pair of left and right drive wheels (23) has a slot on the teeth. (28), the rubber wheel belt (92) is installed on the clamping groove (28) and can be driven on the road by a buckle; the angle tooth (79) is connected with the angle tooth shaft as a whole and is installed on the angle tooth seat ( 81) The drive is transmitted through the transmission shaft (22). The remote receiver (90) is installed in the middle of the rear of the ship (7) with 7 outputs. The spline output shaft (48) protrudes from both ends of the gearbox (40), and the front end. The spline sleeve (21) is connected to the top of the transmission shaft (22), and the rear end of the transmission shaft is provided with a suspension screw (63), a spring (62) and a toothed clutch (17), respectively. The screw rod (63) is provided with a female screw (20) and a turntable (18), and the turntable (18) is connected with the hanging screw rod (63).
The four-wheel drive remote-control rotary tiller according to claim 1, characterized in that the toothed bag (45) is provided with an internal rotation differential (80), and the internal rotation differential (80) is composed of two planetary teeth (77) ), Two planetary side teeth (78) and pelvic angle teeth (76), the angular teeth (79) and the pelvic angle teeth (76) mesh and change direction to change the speed of the planetary side teeth (78) through internal rotation.
The four-wheel drive remote-control rotary cultivator according to claim 1, characterized in that the rear end of the connection support (43) extends into the boat (42) and is connected with the front middle portion of the boat (42), and the front end is connected with the connection sleeve (44) The connecting sleeve (44) is fixedly connected to the angular gear seat (81) through a bearing.
The four-wheel drive remote-control rotary tiller according to claim 1, characterized in that: a turbo steering gear assembly (46) is installed on the upper end of the tooth pack (45) and is driven by a steering motor (89) through a sleeve (87).
The four-wheel remote-control rotary tiller according to claim 1, characterized in that the telescopic rod (86) of the tail wheel is driven by a telescopic motor (89) through a trapezoidal screw (88) to drive the hexagonal tube (85) up and down to install The tail wheel (83) on the top and bottom of the hexagon pipe (85) slides up and down.
The four-wheel remote-control rotary tiller according to claim 1, characterized in that: the output shaft (71) protrudes from both ends of the gearbox (34), a universal joint (11) is installed at the rear end and a front end is provided. The tooth inlay (15) is provided with a bearing inside the tooth inlay (15) and is connected to the top of the spline output shaft (48) through the bearing, and is driven by the clutch of the tooth inlay clutch (17).
The four-wheel drive remote-control rotary cultivator according to claim 1, characterized in that: a fast gear and a low gear are provided in the attached gearbox (34), and the gear position is composed of a double gear (68) and a fifth gear (70) ) And the fourth gear (72) slide back and forth between the two gears to change gears.
The four-drive remote-control rotary cultivator according to claim 1, characterized in that the inside of the Po roller (93) is a hollow cylinder, and a disc (5) is connected in the hollow cylinder, and the disc (5) is passed on the disc (5). The three screw holes are installed on the transmission discs (6) at both ends of the bevel gear box (1).