CN2453654Y - Rigid-drived micro one-wheel operation machine with front and rear driving - Google Patents

Abstract

Miniature unicycle working machine, including handle, frame, operating lever, working parts, rear drive transmission box, gear box, front drive wheel, front drive transmission box, power machine, gear chain rigid transmission, front drive wheel and working parts It can be driven at the same time, two-speed transmission, the chain is tensioned eccentrically, and the working parts and the rear drive transmission box are connected through a hexagonal interface, with flexible steering, low fuel consumption and good stability.

Description

Rigid transmission with front and rear drive miniature single-wheel working machine

The utility model relates to a miniature single-wheel working machine which is driven by high-efficiency transmission parts and has front and rear independent drive performances, and is especially suitable for greenhouse planting, orchards, tea gardens, gardening and other operations.

In the prior art, most working machines and rotary cultivators adopt belt transmission, although the structure is simple, but the transmission efficiency is not high; there are also worm and gear transmissions, and the same transmission efficiency is low. These models are generally equipped with relatively large power engines, and work under the same operating conditions with high fuel consumption. At the same time, for working machines and rotary cultivators with belt transmission, in order to improve the transmission efficiency, it is necessary to increase the wrap angle of the belt and the center distance of the pulleys. The design models are generally relatively tall, and the application occasions are subject to certain restrictions.

The purpose of the utility model is to provide a single-wheel micro-working machine with high efficiency, low consumption, compact structure, low center of gravity, good stability, flexible steering, easy to use, and adaptable to various dry land operations.

The utility model has a rigid transmission and has front and rear drive miniature single-wheel working machine, which includes a handle 1, a frame 2, a shift lever 3, an operating part 4, a rear drive transmission box 5, a gear box 6, a front drive wheel 7, and a front drive wheel. Transmission box 8, power machine 9, handle 1 is installed on the frame 2, and this frame 2 is connected with power machine 9, and gear box 6 is connected with power machine 9, and operation rod 3 is installed on the gear box 6, and after setting Drive transmission box 5 and front drive transmission box 8, on this rear drive transmission box 5, operation part 4 is set, and front drive wheel 7 is set on front drive transmission box 8.

Gear box 6 of the present utility model comprises sprocket 10, gear 11, toothed clutch 12, gear 13, sprocket 14, gear 15, transition gear shaft 16, gear 17, friction clutch (18), gear 19, gear 20, gear 21, power output shaft 22, gear 23, toothed clutch 24, drive shaft 25, gear 19 is fixed on the friction clutch 18, gear 20 and gear 21 are fixedly connected with power output shaft 22 respectively, gear 23 and tooth profile The fixed parts in the clutch 24 are integrated and fixedly connected with the drive shaft 25. The movable part in the toothed clutch 24 is sleeved on the sprocket 10, and the sprocket 10 is sleeved on the drive shaft 25. The gear 11 and the toothed clutch 12 The fixed part in the toothed clutch 12 is connected with the gear 13 and set on the sprocket 14, and the sprocket 14 is set on the drive shaft 25. The gear 15. The gears 17 are connected with the transition gear shaft 16 respectively.

Front drive transmission case 8 of the present utility model comprises front drive hanger 26, has eccentric support base 27, sprocket wheel 28, front drive wheel shaft 29, chain 30, and sprocket wheel 28 is fixed on the front drive wheel shaft 29, front drive Axle 29 is supported by support seat 27 with eccentricity, and support seat 27 with eccentricity is fixed on the front drive hanger 26, and sprocket wheel 28 links to each other with sprocket wheel 14 by chain 30, and front driving wheel 7 is connected with the front drive wheel 7 with eccentricity. The drive wheel shaft 29 is fixedly connected.

The rear drive transmission case 5 of the present utility model comprises a rear drive hanger 31, a chain 32, a locking bolt 33, an operating part drive shaft 34, and a sprocket wheel 35. Wherein sprocket wheel 35 is fixed on the operation part drive shaft 34, and rear drive hanger 31 is supporting operation part drive shaft 34, and operation part 4 is connected with operation part drive shaft 34 by the hexagonal interface of operation part drive shaft 34 shaft ends, operation part 4 The driving shaft 34 of the operating part is fastened by a locking bolt 33 , and the sprocket 35 is connected with the sprocket 10 through a chain 32 .

The utility model has the functions of plowing, rotary tillage, ditching, ridge making, chemical spraying, leaf fertilizer spraying and transportation. Due to the compact structure, small overall size and light weight, the height of the main engine is greatly reduced compared with other models, so the center of gravity is low. In addition to the occasions where the general working machine is suitable for operation, it is especially suitable for occasions where low crops or crops grow densely, and the operation stability is good. At the same time, the utility model adopts a rigid transmission mode, which has high transmission efficiency and little power loss in the transmission, and because it adopts the front and back drive mode, it is beneficial to the output of the effective power of the working machine. Under the premise of ensuring the working effect, all The rated power of the power machine is small, and the fuel consumption is low. Coupled with the single front drive wheel structure, it can turn flexibly and operate very conveniently.

Further description will be made below in conjunction with the accompanying drawings and specific implementation methods.

Fig. 1 is the schematic diagram of the single-wheel micro working machine with high efficiency transmission and forward and backward drive of the utility model.

Fig. 2 is the transmission system diagram of the single-wheel micro-working machine gear box 6 with high-efficiency transmission and front and rear driving of the utility model.

Fig. 3 is a schematic structural view of the front-drive transmission box 8 of the single-wheel micro-working machine with high-efficiency transmission and front-rear drive of the utility model.

Fig. 4 is a structural schematic diagram of the rear drive transmission box 5 of the single-wheel micro-working machine with high efficiency transmission and front and rear drive of the utility model.

Among them, 1-handle, 2-frame, 3-shift lever, 4-working parts, 5-rear drive transmission box, 6-gear transmission box, 7-front drive wheel, 8-front drive transmission box, 9-power machine, 10-sprocket, 11-gear, 12-teeth clutch, 13-gear, 14-sprocket, 15-gear, 16-transition gear shaft, 17-gear, 18-friction clutch, 19-gear, 20-gear , 21-gear, 22-power take-off shaft, 23-gear, 24-teeth clutch, 25-drive shaft, 26-front drive hanger, 27-with eccentric support seat, 28-sprocket, 29-front Drive axle, 30-chain, 31-rear drive hanger, 32-chain, 33-locking bolt, 34-working parts drive shaft, 35-sprocket

Fig. 1 is the embodiment of the single-wheel micro-working machine with efficient transmission and front and rear drive of the utility model. The utility model includes a handle 1, a frame 2, a shift lever 3, an operating part 4, a rear drive transmission box 5, a gear box 6, a front drive wheel 7, a front drive transmission box 8, a power machine 9, and the handle 1 is installed on the machine. On the frame 2, the frame 2 is connected with the power machine (9), the gear box 6 is connected with the power machine 9, the gear box 6 is provided with an operating rod (3), and is provided with a rear drive transmission box 5 and a front drive The transmission box 8 is provided with the operation part 4 on the rear drive transmission box 5, and the front drive wheel 7 is provided on the front drive transmission box 8. Adopting such an overall layout makes the utility model compact in structure, small in overall size and light in weight, and the height of the main machine is greatly reduced compared with other models. Due to the low center of gravity and good operational stability, it is suitable for other occasions except for general operating machines. , especially suitable for occasions where low crops or crops grow intensively. At the same time, the utility model adopts a rigid transmission mode, which has high transmission efficiency and little power loss in the transmission. In addition, the front and rear drive mode is used, which is beneficial to the operating machine. The output of effective power, on the premise of ensuring the operation effect, the rated power of the required power machine is small, and the fuel consumption is low. Coupled with the single front drive wheel structure, it can turn flexibly and operate very conveniently.

Gearbox 6 shown in Fig. 2 comprises sprocket 10, gear 11, toothed clutch 12, gear 13, sprocket 14, gear 15, transition gear shaft 16, gear 17, friction clutch 18, gear 19, gear 20 , gear 21, power output shaft 22, gear 23, toothed clutch 24, drive shaft 25, gear 19 is fixed on the friction clutch 18, gear 20 and gear 21 are fixedly connected with power output shaft 22 respectively, gear 23 and toothed clutch The fixed part in 24 is connected as a whole, and is fixedly connected with drive shaft (25), and the movable part in tooth clutch 24 is enclosed within on the sprocket 10, and sprocket 10 is enclosed within on the drive shaft 25, and gear 11 and tooth clutch The fixed part in 12 is connected as a whole, and is fixed on the drive shaft 25, and the movable part in tooth clutch 12 is connected with gear 13, and is enclosed within on the sprocket 14, and sprocket 14 is then enclosed within on the drive shaft 25, The gear 15 and the gear 17 are connected with the transition gear shaft 16 respectively. The power of the power machine 9 is passed to the power output shaft 22 after being decelerated by the gear 19 and the gear 20 through the friction clutch 18, and the power output thus can drive the high-pressure pump for spraying pesticides and leaf fertilizers. The power of the power machine is transmitted to the drive shaft 25 after being decelerated by the gear 21 and the gear 23 on the power output shaft 22 . By controlling the opening and closing of the toothed clutch 24 through the handle 1, it is possible to determine whether the working part is driven. When the clutch 24 is engaged, the sprocket 10, which is vacantly sleeved on the drive shaft 25, rotates to drive the working part 4, otherwise the working part 4 stops rotating. . The power of the drive shaft 25 is transmitted to the sprocket wheel 14 sleeved on the drive shaft 25 through the speed change mechanism formed by the gear 11, the gear 13, the gear 17 and the gear 15, thereby driving the front drive wheel 7. The transmission and speed change mechanism composed of the above gears realizes the transmission and speed change through the shift lever 3. When the gear 13 meshes with the gear 17, the power is transmitted to the sprocket 14 after being decelerated twice by the gear 11 and the gear 13, and the gear 17 and the gear 13. When the gear clutch When 24 meshes, the power of the drive shaft 25 is directly transmitted to the sprocket 14 through the toothed clutch 24. When the gear 13 and the gear 17 are not meshed (as shown in Figure 2), the front drive wheel 7 cannot get power, that is, the front drive Wheel 7 will not turn. Due to the adoption of high-efficiency transmission such as gears and chains, the structure is compact, and some lightweight materials are used, so that the gear box 6 occupies a small space, but the transmission efficiency is high and the operation is very convenient.

Front drive transmission case 8 shown in Fig. 3 comprises front drive hanger 26, support base 27, sprocket wheel 28, with eccentric front drive wheel shaft 29, chain 30, and sprocket wheel 28 is fixed on the front drive wheel shaft with eccentricity 29, the front drive wheel shaft 29 with eccentricity is supported by the support base 27, and the support base 27 is fixed on the front drive hanger 26, and the sprocket wheel 28 is connected with the sprocket wheel 14 by the chain 30, and the front drive wheel 7 is connected with the front drive wheel shaft 29. Fixed connection. When carrying out transportation, spraying medicine, fertilizer operation, front drive wheel 7 is a rubber tire, adopts iron wheel when carrying out rotary tillage, ditching, ridge and plow operation. For easy replacement, the support of the front drive wheel shaft 29 is a cantilever structure, and the front drive wheel 7 adopts ordinary bolts to fix, and the structure is simple. The front drive wheel 7 is driven by the front drive wheel shaft 29 and the chain 30, and the chain 30 is tensioned. The flange positioning shoulder and the bearing hole with the eccentric support seat 27 are adopted to be an eccentric structure, and the eccentric support seat 27 is changed. With the relative position of the front drive hanger 26, the tension degree of the chain can be adjusted, and the maintenance is convenient.

The rear drive transmission case 5 shown in Fig. 4 comprises a rear drive hanger 31, a chain 32, a locking bolt 33, an operation part drive shaft 34, a sprocket wheel 35, and the sprocket wheel (35) is fixed on the operation part drive shaft 34, The rear drive hanger 31 supports the driving shaft 34 of the working part, and the working part 4 is connected with the driving shaft 34 of the working part through the hexagonal interface of the driving shaft 34 of the working part, and the driving part 4 and the driving shaft 34 of the working part are fastened by the locking bolt 33 , sprocket 35 links to each other with sprocket 10 by chain 32, and the power that power machine 9 drives operation part 4 passes operation part 4 through sprocket 35 and operation part drive shaft 34. Because the utility model is suitable for multiple operations, the two ends of the operating part drive shaft 34 have hexagonal connection interfaces, and the center of the shaft has a hole (as shown in the lower figure of Figure 4). When replacing the operating part 4, the operating part 4 passes through the hexagonal interface. After positioning and driving, the locking bolt 33 is axially tightened, so that the structure can not only transmit the power required for the operation, but also facilitate the replacement of the operation parts at the operation site.

Claims (4)

1, positive drive and have before and after the miniature single wheel workover rig that drives include handle (1), frame (2), gear lever) (3), operation part (4), rear drive transmission case (5), speed-changing gear box (6), front driving wheel (7), front wheel driving transmission case (8), engine (9), it is characterized in that handle (1) is installed on the frame (2), this frame (2) is connected with engine (9), speed-changing gear box (6) is connected with engine (9), speed-changing gear box (6) is provided with action bars (3), and rear drive transmission case (5) and front wheel driving transmission case (8) be set, on this rear drive transmission case (5) operation part (4) is set, front driving wheel (7) is set on the front wheel driving transmission case (8).

2, miniature single wheel workover rig as claimed in claim 1, it is characterized in that speed-changing gear box (6) includes sprocket wheel (10), gear (11), gear clutch (12), gear (13), sprocket wheel (14), gear (15), transition gear axle (16), gear (17), friction clutch (18), gear (19), gear (20), gear (21), power take-off (22), gear (23), gear clutch (24), driving shaft (25), gear (19) is fixed on the friction clutch (18), gear (20) is fixedlyed connected with power take-off (22) respectively with gear (21), standing part in gear (23) and the gear clutch (24) fuses, and fixedly connected with driving shaft (25), movable part in the gear clutch (24) is enclosed within on the sprocket wheel (10), sprocket wheel (10) is enclosed within on the driving shaft (25), standing part in gear (11) and the gear clutch (12) fuses, and be fixed on the driving shaft (25), movable part in the gear clutch (12) is connected with gear (13), and be enclosed within on the sprocket wheel (14), sprocket wheel (14) is enclosed within on the driving shaft (25), gear (15), gear (17) is connected with transition gear axle (16) respectively.

3, miniature single wheel workover rig as claimed in claim 1, it is characterized in that front wheel driving transmission case (8) includes front wheel driving hanger (26), have eccentric supporting seat (27), sprocket wheel (28), front wheel driving wheel shaft (29), chain (30), sprocket wheel (28) is fixed on the front wheel driving wheel shaft (29), front wheel driving wheel shaft (29) supports by having eccentric supporting seat (27), having eccentric supporting seat (27) is fixed on the front wheel driving hanger (26), sprocket wheel (28) links to each other with sprocket wheel (14) by chain (30), and front driving wheel (7) is fixedlyed connected with the front wheel driving wheel shaft (29) that has off-centre.

4, miniature single wheel workover rig as claimed in claim 1, it is characterized in that rear drive transmission case (5) includes rear drive hanger (31), chain (32), clamping screw (33), operation part driving shaft (34), sprocket wheel (35), sprocket wheel (35) is fixed on the operation part driving shaft (34), operation part driving shaft (34) is supported by rear drive hanger (31), operation part (4) is connected with operation part driving shaft (34) by the hexagonal interface of operation part driving shaft (34) axle head, operation part (4) and operation part driving shaft (34) are fastening by clamping screw (33), and sprocket wheel (35) links to each other with sprocket wheel (10) by chain (32).

Images