JPH0740384U - Two-wheel remodeling agricultural carrier - Google Patents

Abstract

(57) [Summary] [Purpose] A large amount of agricultural products can be transported, can enter and leave the ridges of a row or a rice field, can be automatically driven, and can be easily handled by anyone. Providing agricultural vehicles. [Structure] Rear axle 18 of motorcycle body 2 with rear wheels removed
The rear plate 3 of the rear frame 3 is connected to the rear frame 3, and the rear wheel drive shaft 4 for fixing the rear wheel 5 is pivotally supported below the drive shaft support 8 of the rear frame 3. Fix 7 The rotation of the engine 17 is transmitted to the large sprocket 32 of the rear wheel drive shaft 4 via the drive mechanism section 6. The operation is performed by the operation handle 13 on the motorcycle main body 2 side, and the braking is performed by the brake mechanism section 9. Wide loading platform 7
Since it can be equipped with, it is possible to easily transport a large amount of bulky agricultural products. In addition, because it is a motorcycle remodeling type, it is possible to enter and exit narrow ridges.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a transport vehicle for transporting agricultural products and various agricultural products, and more particularly to a simple two-wheel remodeling agricultural transport vehicle that can be put in and out of a narrow space and has a small turning space.

[0002]

[Prior art]

 A truck is required to move the straw, various agricultural products, and agricultural products that are produced after farming between the rice field and the rice field and the destination, and various types have been conventionally used. The most common of these is the light truck, which is loaded with the various items mentioned above on its carrier. In addition, there are things like a cart that is rarely used these days but moves by human power.

[0003]

[Problems to be solved by the device]

 When using a light truck, it is generally difficult to drive a light truck to the very vicinity of the field or the rice field, and the only option is to park the vehicle on the road near the field or the field. Therefore, it is necessary to manually move the agricultural products between the small fields and the fields such as the fields and fields. On the other hand, there are ridges in the ridges and paddy fields, and small vehicles such as motorcycles and rear cars can be used. However, in the case of motorcycles, it is impossible to carry bulky agricultural products and large amounts of agricultural products without a special cargo bed. Further, although the rear car can be loaded with the above-mentioned items, it is inconvenient because it must be moved manually. On the other hand, expensive agricultural vehicles cannot be used.

The present invention was devised in view of the above circumstances and is capable of transporting a large amount of agricultural products, capable of moving in and out of a ridge or a ridge of a rice field, and capable of automatic traveling, and is relatively inexpensive. The purpose of the present invention is to provide a two-wheel remodeling type agricultural transport vehicle manufactured in, which anyone can easily handle.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a drive shaft support body in which the front end side is connected to the rear axle of a motorcycle with the rear wheel removed and the rear end side extends laterally. A rear frame, a rear wheel drive shaft that is pivotally supported by the frame and that locks and fixes rear wheels at left and right ends, a drive mechanism portion that is installed between the rear wheel drive shaft and the rear axle, and It constitutes a two-wheel remodeling agricultural transport vehicle that has a loading platform that is detachably mounted on the rear frame. Further, more specifically, a restraint member for restraining the left-right movement of the rear wheel drive shaft is interposed between the rear wheel drive shaft and the rear frame, and the rear wheel drive shaft is rotated in the front-rear direction. It is characterized in that a stopper member for restraining movement is provided, and the rear frame supports a plurality of rear wheel drive shafts along the front-rear direction.

[0006]

[Action]

 The rear axle rotates by driving the engine of the motorcycle. Since the rear axle and the rear wheel drive shaft are connected by the drive mechanism, the rear wheel drive shaft and the rear wheels rotate due to the rotation of the rear axle, and the vehicle runs. The rear frame forms a drive shaft support projecting to the left and right, and since the loading platform is mounted on it, the loading platform is formed from one having a relatively large area in the front-rear direction. Therefore, many agricultural products can be installed. Further, the carrier of the present invention is a modification of a motorcycle and is small in size, and the rear loading platform is similar to a rear car. Therefore, it is possible to go in and out of the ridge, and it is possible to directly load the ridges and those in the rice field into the loading platform. In addition, since the engine, operating handle, brakes, etc. can be used as is with a modified motorcycle, it can be manufactured at low cost by using an old motorcycle. Further, it is possible to further increase the area of the loading platform by providing a plurality of rear wheel drive shafts. Further, the rear wheel drive shaft is restrained from moving in the left-right direction and rotating in the front-rear direction by the restraining member and the stopper member.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 is a side view for explaining the overall structure of this embodiment, FIG. 2 is a partial top view of FIG. 1 showing the main parts of this embodiment, and FIG. 3 is a view for showing the main parts of this embodiment in an easy-to-understand manner. FIG. 4 is a partial front sectional view showing the detailed structure around the rear wheel drive shaft, FIG. 5 is a perspective view for explaining the structure and function of the restraining member and stopper member, and FIG. 6 is the rear wheel drive shaft. And FIG. 7 is a perspective view for explaining a detent connection structure between the rear wheel and the rear wheel, FIG. 7 is a partial axial sectional view showing a detent connection structure between the rear wheel drive shaft and the rear wheel, and FIG. FIG. 9 is a front view showing the connecting structure between the luggage carrier and the rear frame of this embodiment, FIG. 10 is a side view showing the schematic structure of the brake mechanism used in this embodiment, and FIG. 11 is a brake. FIG. 12 is a partial side view showing the restraint portion of the mechanism portion, FIG. 12 is a sectional view taken along the line AA of FIG. 11, and FIG. 13 is a plurality of rear wheel drive shafts. Top view showing the connecting structure, FIG 14 is a side view of FIG. 13.

In this embodiment, a motorcycle having a base of 40 cc or more is used. Of course, it is not limited to that. As shown in FIG. 1, an agricultural transport vehicle 1 of the present embodiment is roughly divided into a motorcycle main body 2 from which rear wheels are removed, and a rear frame 3 having a drive shaft support 8 connected to a rear axle of the motorcycle main body 2. , A rear wheel drive shaft 4 pivotally supported on the rear frame 3 side, a rear wheel 5 that is rotationally connected to the rear frame 3, and a drive mechanism unit 6 that connects the two-wheeled vehicle body 2 and the rear wheel drive shaft 4 and transmits the rotation of the engine. And a loading platform 7 and the like mounted on the rear frame, and further includes a brake mechanism 9, a restraint member 10 and a stopper member 11 that restrain the rear wheel drive shaft 4 from moving in the left-right direction.

As shown in FIG. 1, the motorcycle body 2 includes a chassis frame 12, an operation handle 13, a support mechanism portion 15 that elastically supports the front wheels 14, a seat seat 16, an engine 17, and a rear axle 18. And a support arm 19 for supporting the rear axle 18 so as to be vertically movable and pivotally supporting both ends of the rear axle 18, and a support mechanism portion 20 for elastically supporting the rear axle 18. As shown in FIG. 2, the rear axle 18 is provided with a brake main body 21 for braking the rear axle 18, and the brake main body 21 is connected by a brake mechanism section 9 and a brake cable 22 which will be described later. Further, a brake lever (not shown) of the front wheel 14, a meter and a horn (not shown) are provided around the operation handle 13. A sprocket 23 and a sprocket 24 are fixed to the rear axle 18. A sprocket 25 is connected to the output side of a mission (not shown) connected to the engine 17. The sprocket 25 is connected to the sprocket 23 of the rear axle 18 via a chain 26 and transmits the rotational force of the engine.

Next, the rear frame 3 will be described mainly with reference to FIGS. 1 to 3. The pair of support plates 27 are arranged to face each other along the front-rear direction, and the tip ends thereof pivotally support the left and right ends of the rear axle 18. The rear end of the support plate 27 is fixed to the drive shaft support 8. The drive shaft support 8 is a hollow box-shaped member that projects in the left-right direction. A reinforcing plate 28 is fixed between the support plate 27 and the drive shaft support 8. Further, a connecting plate 29 that is connected to the carrier 7 is fixed on the support plate 27 and the drive shaft support 8. A slit 30 is formed substantially in the center of the drive shaft support 8.

The rear wheel drive shaft 4 is disposed on the lower surface of the drive shaft support 8 as shown in FIGS. 3 and 4, and its left and right end sides are pivotally supported by bearing brackets 31, 31. Rear wheels 5, 5 are fixed to the left and right ends of the rear wheel drive shaft 4.

The drive mechanism section 6 for driving the rear wheels 5 is fixed to substantially the center of the rear wheel drive shaft 4 and is accommodated in the slit 30 of the drive shaft support 8, and is arranged in a large sprocket 32 and the rear axle 18. The sprocket 23 and 24 are fixed, and the chain 33 and the like are installed between the sprocket 24 and the large sprocket 32. The rotation of the engine 17 is transmitted to the large sprocket 32 via the sprocket 25, the chain 26, the sprockets 23 and 24, and the chain 33 to rotate the rear wheel drive shaft 4.

The restraint member 10 and the stopper member 11 will be described with reference to FIGS. 4 and 5. The restraint member 10 restrains the left-right movement of the rear wheel drive shaft 4. It is a ring-shaped member that fits into the rear wheel drive shaft 4, and is fixed to the rear wheel drive shaft 4 with bolts 34. The function can be achieved by arranging the side surface of the restraint member 10 having the above structure in a position where it comes into contact with the side surface of the bearing bracket 31. On the other hand, the stopper member 11 includes a bracket 35 fixed to the drive shaft support 8 and a screw member 36 screwed to the bracket 35. As shown in FIG. 5, by pressing the tip of the screw member 36 against the bearing bracket 31, movement of the bearing bracket 31 due to slack or the like is restrained, and rotation of the rear wheel drive shaft 4 in the front-rear direction is restrained.

Next, a connecting structure between the rear wheel drive shaft 4 and the rear wheel 5 will be described. The rear wheel 5 is fixed to the rear wheel drive shaft 4 by being prevented from rotating. Although various means can be considered as the detent means, the means shown in FIGS. 6 and 7 is adopted in this embodiment. Tapered taper portions 37 are formed at the left and right ends of the rear wheel drive shaft 4, and a screw shaft 38 is formed from the taper end of the taper portion 37. A slit groove 41 into which the taper portion 37 is fitted is formed at an end portion of the hub 39 into which the rear wheel drive shaft 4 is inserted. As shown in FIG. 7, the rear wheel drive shaft 4 is inserted into the hub 39 of the rear wheel 5, and the tip of the tapered portion 37 is fitted into the slit groove 41 so that the screw shaft 38 is projected. The rear wheel drive shaft 4 and the hub 39 are fixed by screwing a nut 42 onto the protruding screw shaft 38 via a collar 40 and tightening the nut 42.

Next, the structure of the luggage carrier 7 will be described with reference to FIG. The structure of the luggage carrier 7 may be arbitrary, but in the present embodiment, a frame body that spreads in a plane as shown in FIG. 8 is adopted. It is formed by connecting and fixing angle materials and block materials in the front-rear direction. A connecting plate 44 is fixed to the angle member 43 on the center side.

As shown in FIGS. 4 and 9, the luggage carrier 7 is formed by coupling the coupling plate 29 of the drive shaft support 8 and the coupling plate 44 of the luggage carrier 7.

Next, the brake mechanism section 9 will be described with reference to FIGS. 1 and 10 to 12. The brake mechanism may have any structure, but in the present embodiment, a combination of a hood type brake and a hand type brake as shown in the figure is adopted. The pedal 45 of the hood type brake is supported at its intermediate portion by a support shaft 46 fixed to the chassis frame 12 side of the two-wheeled vehicle main body 2, and one end side where the brake cable 22 is connected, and one end side of a link plate 49 is pin-connected. On the other hand, the lever 48 of the hand brake is supported at its intermediate portion by a support shaft 53 fixed to the chassis frame 12 side, and the other end side of a link plate 49 is pin-connected to one end side thereof. One end of the lock plate 47 is pin-connected to the operating side of the lever 48. As shown in FIGS. 11 and 12, the lock plate 47 is made of a flat plate member having a long hole 50 bored along the operating direction. A plurality of lock holes 51 are formed in the long hole 50 so as to be inclined toward the front side. It On the other hand, as shown in the figure, the fixed shaft 52 is inserted into the elongated hole 50. The fixed shaft 52 is fixed to the chassis frame 12 side as shown in FIG. With the above structure, the brake cable 22 is pulled by pushing down the pedal 45 or the lever 48 or pulling it toward you, and the brake main body 21 connected to the brake cable 22 is operated to lock the rear axle 18. By the movement of the lock plate 47, the fixed shaft 52 is fitted in the lock hole 51 to lock the lock plate 47 at the brake operating position. Due to the above, the rear axle 18 and the rear wheel 5 connected thereto are locked. The brake can be released easily by slightly moving the pedal 45 or the lever 48 in the brake operating direction to release the fitting between the lock hole 51 and the fixed shaft 52.

Next, the operation of this embodiment will be described. First, since the rear frame 3 is cantilevered on the motorcycle body 2 side by the support arm 19 and the support mechanism portion 20, even if the rear wheel 5 moves up and down, it smoothly moves up and down with the connection point with the motorcycle body 2 as a base point. You can do it. On the rear frame 3, a cargo bed 7 having a large area as shown in FIG. 8 is connected substantially horizontally, and a large amount of agricultural products can be mounted. The traveling of the agricultural transport vehicle 1 of this embodiment is easily performed by operating the engine 17 as in the two-wheeled vehicle traveling. That is, as described above, the rotation of the engine 17 is transmitted to the sprocket 25 through the mission, and is transmitted to the rear wheel drive shaft 4 through the chain 26, the sprockets 23 and 24, the chain 33, and the large sprocket 32. It is transmitted to 5. Further, the traveling of the agricultural transport vehicle 1 is performed by the operation handle 13 in the same manner as in the case of the two-wheeled vehicle. In addition, parking and stopping can be reliably performed by moving the brake mechanism 9 and manually operating it. On the other hand, the agricultural transport vehicle 1 according to the present embodiment has a motorcycle on the front side and a rear car on the rear side, and can freely travel in the ridge road where the rear car can enter and leave. In addition, it is of course possible to run backwards and turn freely. As described above, the transfer of agricultural products in the rice field or the field can be performed very easily and efficiently.

13 and 14 show an embodiment in which a plurality (two in the drawing) of the drive shaft supports 8 are connected. A support plate 27 is connected to the rear of the drive shaft support 8, and the large sprocket 54 of the rear wheel drive shaft 4 of the rear frame 3 connected thereto is connected to the large sprocket 55 of the rear wheel drive shaft 4 of the front rear frame 3. The rear wheel 5 of the rear frame 3 which is attached later is driven by connecting to the chain 56. By connecting two rear frames 3 in the front-rear direction, it is possible to mount a cargo bed 7 wider than that in the above-described embodiment. Further, by sequentially connecting a plurality of rear frames 3, it is possible to manufacture an agricultural transport vehicle having a cargo area 7 having a wider area. As described above, an agricultural transport vehicle having a large number of rear wheels 5 such as 6 wheels and 8 wheels can be manufactured.

[0020]

[Effect of device]

 According to the present invention, the following remarkable effects are obtained. 1) Since it is possible to appropriately connect a desired wide area cargo bed, it is possible to easily and efficiently transport agricultural products. 2) Since it has a shape in which a motorcycle and a rear car are connected, it is possible to directly enter a narrow ridge. As a result, it is possible to directly move agricultural products and agricultural products in the fields and fields. Thereby, the labor can be reduced. 3) It uses a two-wheeled vehicle, and the engine, steering wheel, brake, etc. are also used, and the running performance can be maintained. 4) It can be manufactured at low cost by using a good motorcycle. 5) Since a plurality of rear wheel drive shafts can be provided and a cargo bed of a larger area can be mounted, it is possible to exhibit processing performance comparable to that of conventional small trucks. 6) The straightness can be secured by providing a restraint member and a stopper member.

[Brief description of drawings]

FIG. 1 is a side view showing the overall structure of an embodiment of the present invention.

FIG. 2 is a partial top view of FIG. 1 showing a main part of this embodiment.

FIG. 3 is a perspective view for easily explaining an essential part of the present embodiment.

FIG. 4 is a partial axial sectional view showing a detailed structure around a rear wheel drive shaft.

FIG. 5 is a perspective view for explaining a detailed structure of a retaining member and a stopper member.

FIG. 6 is a perspective view for explaining a rotation-stop connecting structure of a rear wheel drive shaft and a rear wheel.

FIG. 7 is a partial cross-sectional view showing a rotation-stop connecting structure between a rear wheel drive shaft and a rear wheel.

FIG. 8 is a perspective view of the luggage carrier of this embodiment.

FIG. 9 is a front view showing the connection structure between the luggage carrier and the rear frame of the present embodiment.

FIG. 10 is a side view showing a schematic structure of a brake mechanism section according to the present embodiment.

FIG. 11 is a partial side view showing a lock plate which is a restraint portion of the brake mechanism portion of the present embodiment.

12 is a cross-sectional view taken along the line AA of FIG.

FIG. 13 is a top view showing a connection structure of a plurality of rear wheel drive shafts.

FIG. 14 is a side view of FIG.

[Explanation of symbols]

 1 Agricultural Transport Vehicle 2 Motorcycle Main Body 3 Rear Frame 4 Rear Wheel Drive Shaft 5 Rear Wheel 6 Drive Mechanism 7 Loading Platform 8 Drive Shaft Support 9 Brake Mechanism 10 Restraint Member 11 Chassis Frame 13 Operation Handle 14 Front Wheel 15 Support Mechanism part 16 Seat seat 17 Engine 18 Rear axle 19 Support arm 20 Support mechanism part 21 Brake body 22 Brake cable 23 Sprocket 24 Sprocket 25 Sprocket 26 Chain 27 Support plate 28 Reinforcement plate 29 Connecting plate 30 Slit 31 Bearing bracket 32 Large sprocket 33 Chain 34 bolts 35 brackets 36 screw members 37 taper parts 38 screw shafts 39 hubs 40 collars 41 slit grooves 42 nuts 43 angle members 44 connecting plates 45 pedals 46 support shafts 47 lock plates 48 Lever 49 Link plate 50 Long hole 51 Lock hole 52 Fixed shaft 53 Support shaft 54 Sprocket 55 Sprocket 56 Chain

Claims (3)

[Scope of utility model registration request] 1. A rear frame which connects a front end side to a rear axle of a two-wheeled vehicle with a rear wheel removed and forms a drive shaft support protruding laterally to the rear end side; A rear wheel drive shaft for fixing the wheels to prevent rotation, a drive mechanism portion installed between the rear wheel drive shaft and the rear axle, and a loading platform detachably mounted on the rear frame are provided. Two-wheel remodeling agricultural transport vehicle. 2. A restraint member for restraining a left-right movement of the rear wheel drive shaft is interposed between the rear wheel drive shaft and the rear frame, and the rear wheel drive shaft rotates in the front-rear direction. The two-wheel modified agricultural transport vehicle according to claim 1, wherein a stopper member for restraining the vehicle is interposed. 3. The two-wheel remodeling agricultural transport vehicle according to claim 1, wherein the rear frame supports a plurality of rear-wheel drive shafts in the front-rear direction.