KR101334304B1 - Four-wheel drive cart for agriculture with device tilting - Google Patents

Abstract

An agricultural four-wheel truck having a tilting device according to the present invention is capable of passing obstacles such as protrusions and grooves while running; prevents damage to transferring objects; facilitates loading and unloading for cargoes; and has a differential gear unit in which a braking device and a power source are installed for stably delivering the driving and braking power of an agricultural or industrial four-wheel truck. By this, the present invention secures driving stability while running on rough roads such as mountain roads, slopes, and muddy roads and enables users to conveniently and stably drive the agricultural four-wheel truck.

Description

Four-wheel drive cart for agriculture with device tilting

The present invention relates to a four-wheel drive agricultural transport vehicle equipped with a tilting device, in particular, to prevent damage to the package while easily passing obstacles such as a locking jaw or groove during the movement of the agricultural transport vehicle, loading and unloading operation of freight It is equipped with a differential gear unit that is equipped with a power source and a braking device for stably transmitting the driving and braking power of four-wheel drive transportation equipment used for agriculture or industrial purposes, while maintaining safety on rough terrain such as mountain roads, slopes and mud. The present invention relates to a four-wheel drive agricultural carriage equipped with a tilting device that allows the user to conveniently use it when using the agricultural carriage.

Generally, trucks are used to transport cargo at industrial sites or farmhouses, and especially in farmhouses, where dense trees or uneven roads, such as narrow furrows or orchards, are difficult or difficult to enter large vehicles including tillers and tractors. It is also used for places with high inclination. However, most of the trucks are driven by manpower, which is unsuitable for rough terrain such as slopes, mountain roads and mud, and when wheels fall into a pit, they cannot easily escape by manpower.

In addition, the current rural village of Korea is not only aging young people to get out of the country, but the above-mentioned carriage has a problem that is difficult to use not only the elderly but also young people.

Accordingly, the present applicant is configured to advance by generating power by using a rechargeable battery in Utility Model Registration No. 0422848 (name: agricultural transport cart) can be used for a variety of operations, such as crop cultivation, fertilizer and feed transfer, harvesting. Technology has been pre-registered.

However, the above-described technology has a problem in that the driving unit is fixed to the support frame, so that the wheels are not easily moved when the wheels are caught by obstacles such as hooking jaws or grooves, and the loading box is installed in a fixed state. When loading or unloading cargo on an agricultural truck, a lot of power comes from a labor-intensive closure.

In addition, since the load in the form of powder, such as fertilizer or feed mainly used in rural areas remain untreated during transport unloading, there was a problem that the residue must be scraped off with a shovel or sweeped with a broom.

The present invention has been invented to solve the problems of the prior art as described above, it is possible to easily prevent damage to the package while passing through obstacles such as a locking jaw or groove during the movement of the agricultural truck, loading of cargo and Equipped with a differential gear unit that is equipped with a power source and a braking device for the unloading operation and to stably transfer the driving and braking power of four-wheel drive transportation equipment used for agriculture or industrial use, even in rough terrain such as mountain roads, slopes, and mud. It is an object of the present invention to provide a four-wheel drive agricultural transport vehicle equipped with a tilting device to ensure that the driving safety is maintained so that the user can use conveniently when using the agricultural transport vehicle.

In order to achieve the above object, the present invention is provided with a cylinder that is connected to the lower portion in the lower center portion, the body frame is provided with a power source for supplying electromotive force on both sides, is provided on the upper portion of the body frame, the rod of the cylinder A lift unit connected to the lift unit having a lift and dumping function by an operation of the cylinder, a rear portion of the lift unit to control a lift operation and a dumping operation of the lift unit, and a loading box provided at the top of the lift unit to load cargo; It is provided in the front rear of the body frame, both sides are bent downward, the upper side of the upper case having a first tilting hole formed through the bent both sides is connected, both sides are bent upwardly in the lower portion of the upper case is provided, A lower case having a second tilting hole penetratingly formed to correspond to the first tilting hole on both sides thereof, A tilting part provided with a cylindrical fixed shaft spaced apart so that the upper case and the lower case are axially rotated inside the first tilting hole and the second tilting hole, and is connected to the lower part of the tilting part, and the front wheel drive motor is directly connected to the front wheel differential gear unit. And a front wheel drive unit configured to pivot the front wheels driven by the universal joint at both ends, and is provided at the lower rear of the body frame, and the rear wheel drive motor is directly installed in the rear wheel gear unit to drive the rear wheels. The rear wheel drive unit is provided with a braking device at the end of the braking pinion shaft which is linked to the unit, and is installed to pivot on the body frame adjacent to the rear wheel drive unit, and is coupled to the front wheels through a connecting bar. Tilting device, characterized in that made by including a steering portion provided with a control panel and steering wheel for Bidoen four-wheel drive provides the agricultural transport vehicle.

The four-wheel drive agricultural transport vehicle equipped with a tilting device according to the present invention as described above can easily pass obstacles such as a locking jaw or a groove during movement, prevent damage to a package, and load and unload cargo Equipped with a differential gear unit that is equipped with a power source and a braking device for the stable transmission of driving and braking power for four-wheel drive transportation equipment used for agriculture or industrial purposes, it maintains driving safety even in rough terrain such as mountain roads, slopes, and mud. There is an advantage that the user can use conveniently and stably when using the agricultural carriage.

1 is a front view of an agricultural vehicle according to the present invention,
Figure 2 is a left side view showing the front wheel drive of the agricultural transport vehicle according to the invention connected by a universal joint,
Figure 3 is a perspective view showing a state in which the fixing portion is coupled to the tilting portion of the agricultural transport vehicle according to the present invention,
Figure 4 is an exploded perspective view of the tilting portion of the agricultural transport vehicle according to the present invention,
5 is a sectional view of the tilting part of the agricultural transport vehicle according to the present invention,
Figure 6 is an operating state showing the state that the tilting of the agricultural transport vehicle operating according to the present invention,
Figure 7 is an operating state showing the appearance that the agricultural transport vehicle tilted by the present invention,
Figure 8 is a side view showing a state in which the braking device is installed in the rear wheel drive of the agricultural transport vehicle according to the present invention,
9 is an operating state showing the state that the lift box of the agricultural transport vehicle according to the present invention is lifted by the lift unit,
10 is an operating state showing the state that the dump box of the agricultural transport vehicle according to the present invention dumped by the lift unit,
11 is a plan view of the agricultural transport vehicle according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 11 is a four-wheel drive agricultural transport vehicle equipped with a tilting device according to the present invention is provided with a cylinder 11 is connected to the lower portion in the lower center of the body frame 10, both sides to supply the electromotive force The power source 12 is provided, the upper part of the body frame 10 is provided with a lift unit 20 to which the rod of the cylinder 11 is connected, the rear of the lift unit 20 to control the lift operation and the dumping operation A locking unit 30 is provided, and a loading box 40 for loading a cargo is provided at an upper portion of the lift unit 20, and an upper case 51 and a lower case 52 are provided at the front lower side of the body frame 10. A tilting unit 50 having a front wheel drive motor 72 is installed in the front wheel drive gear unit 71 at the lower portion of the tilting unit 50, and both wheels are connected to each end via a universal joint 73. The front wheel drive unit 70 having a 74 is provided, and is provided at the lower rear of the body frame 10. A rear wheel drive motor 82 is directly installed in the rear wheel gear unit 81 to drive the rear wheel 83, and a braking device 85 is provided at the end of the brake pinion shaft 84 that is operated in conjunction with the rear wheel gear unit 81. And a rear wheel drive unit 80 having a) and is installed to pivot on the body frame 10 adjacent to the rear wheel drive unit 80, and is coupled to the front wheel 74 through a connecting bar 91, A steering unit 90 having a control panel 92 and a steering wheel 93 for stopping and speed control is provided.

As shown in FIG. 1 or 2, the body frame 10 extends toward the ground at the lower front side to form a hinge 13 at the rear, and the hinge 13 is provided with a cylinder 11 connected to the lower portion. Both sides are provided with a power source 12 for supplying electromotive force, respectively.

At this time, the cylinder 11 is to operate in conjunction with the front wheel drive motor 72 or the rear wheel drive motor 82 to be described later through the rack and pinion gear or to use a hydraulic cylinder.

The upper part of the body frame 10, as shown in Figure 9 or 10 is connected to the rod of the cylinder 11 is provided with a lift unit 20 having a lift and dumping function by the operation of the cylinder.

In this case, the upper and lower sides of the lift unit 20 are bent inward, respectively, and the lower rail 27 is provided at the lower portion, and the upper rail 28 is provided at the upper portion of the lower rail 27, respectively.

In addition, the space 29 is formed on the rear upper side of the lower rail 27 so that the lower bearing 24 of the second lift bar 22 to be described later is separated or entered from the lower rail 27. 29 is provided with a stop bar 35 in the form of a square pillar spaced rearward from the rear, and the inner side of the lower rail 27 and the upper rail 28 is coupled to the shaft rotatable by the central axis 26 The first lift bar 21 and the second lift bar 22 are provided.

At this time, the first lift bar 21 is coupled to the front inner side of the lower rail 27 so that one side is axially rotated, the other side is provided with an upper bearing 23 on the outside of the first lift bar 21 Sliding is provided on the rear inner side of the upper rail 28, the second lift bar 22 is provided coupled to the front inner side of the upper rail 28 so that one side is axially rotated, the other side is the lower bearing 24 It is provided on the outside of the second lift bar 22 is provided on the rear inner side of the lower rail 27 to slide, and the cylindrical shaft 25 is provided between the inner side of the lower bearing 24.

On the other hand, the stop bar 35 is caught by the stop bar 35 when the lower bearing 24 of the second lift bar 22 reaches the stop bar 35, and the second lift bar 22 is no longer rearward. Is to prevent it from moving.

The rear of the lift unit 20 is provided with a locking portion 30 for controlling the lift operation and the dumping operation of the lift unit 20.

At this time, the catching portion 30 is provided with a catching rod case 31 having a through-hole formed in parallel with the lower rail 27 at the rear of the body frame 10, and spaced apart from the perforating catching rod case 31. Is provided with a locking rod 32 which is movable axially, a long hole 33 is formed in the locking rod case 31 in parallel with the lower rail 27 to one side of the locking rod 32, the locking rod 32 It is provided with a locking portion 30 is formed of a locking rod handle 34 is extended to pass through the long hole (33).

In addition, in the long hole 33 formed in the engaging rod case 31, the first fixing groove 36 and the second fixing groove 37 are formed downward at the front and rear ends, respectively, to operate the locking rod handle 34. At the time of the first fixing groove 36 or the second fixing groove 37 is formed so that the locking rod handle 34 is caught.

The upper and lower portions of the rib part 20 are lifted and lowered by the lift part 20, and a loading box 40 for loading cargo is provided.

Both sides of the front lower side of the body frame 10 is bent downward, the upper side of the upper case 51 having a first tilting hole 53 formed through the bent both sides is connected to the body frame 10, the upper Both sides of the case 51 are bent upwardly and provided inwardly, and a lower case 52 having a second tilting hole 54 formed therethrough corresponding to the first tilting hole 53 is provided at both sides of the bent side. , The tilting part in which the cylindrical fixed shaft 55 is spaced apart from each other so that the upper case 51 and the lower case 52 are axially rotated inside the penetrating first tilting hole 53 and the second tilting hole 54. 50 is provided.

At this time, the upper case 51 of the tilting unit 50 is formed with a cylindrical locking shaft 56 on one side and the other side inside, spaced apart from both sides of the first tilting hole 53 to the upper case 51 The first fixing hole 57 penetrates, and the lower case 52 has a tilting shaft 59 having an inner diameter that is the same as the outer diameter of the second tilting hole 54 between the second tilting holes 54. Is provided, spaced to both sides of the tilting shaft 59 is provided with a cylindrical support shaft 67, respectively, the second fixing hole 58 spaced apart from both sides of the second tilting hole 54 penetrating the lower case 52 ) Is formed, and the inside of the tilting shaft 59 is provided with a fixed shaft 55 having the same length as the width of the upper case 51, one side and the other side of the fixed shaft 55 from the outer periphery, respectively One side is spaced apart and seated, and the other side having a locking step is provided with a bush 65 provided between the inner side of the upper case 51 and the outer side of the lower case 52 on both sides, Bolts 66 are coupled to both ends of the fixed shaft 55, respectively.

In addition, the lower case 52 has an upper portion at one side and the other side corresponding to the locking shaft 56 of the upper case 51 lower than the second tilting hole 54.

On the other hand, the first fixing hole 57 and the second fixing hole 58 of the tilting portion 50 is fitted with a fixing portion 60 having cylindrical fixing rods 61 extending on both sides.

At this time, the fixing part 60 is horizontally bent upper portion having a long hole 62 is seated on the body frame 10, the long hole 62 is provided with a locking bolt 63 is provided with a long hole 62 Passed through and coupled to the vehicle body frame 10, the spacer bar 64 is formed stepwise in the rear of the fixed rod 61 formed in the lower portion.

The fixing rod 61 of the fixing part 60 formed as described above is fitted to the first fixing hole 57 and the second fixing hole 58 of the tilting part 50 as shown in FIGS. When the fitting is combined, the tilting unit 50 is fixed by the fixing rod 61 so that the shaft cannot be rotated, so that the agricultural transport vehicle 2 is used in a place where the road surface of the factory or the pavement is even. When the fixing bar 61 is detached from the first fixing hole 57 and the second fixing hole 58 of the tilting part 50, the tilting part 50 becomes rotatable, so that the locking jaw or the groove It can be used on rough terrain such as mountain roads, slopes, and mud with obstacles such as back.

The front wheel drive motor 72 is directly installed in the front wheel drive gear unit 71 as shown in FIG. 1 or 2, and the front wheel 74 driven at both ends through the universal joint 73 at the lower portion of the tilting part 50. ) Is provided with a front wheel drive (70) configured to pivot.

In this case, the front wheel drive unit 70 is provided with a front wheel differential gear unit 71 in front of the body frame 10 so as to be driven independently of the rear wheel drive unit 80 to be described later, the front wheel differential gear unit 71 is a universal joint ( 73 is connected to the front wheel 74, the front wheel 74 is installed so as to pivot left and right in the axial direction on the body frame 10, the front wheel by the operation of the steering unit 90 to be described later The driving force is transmitted even when the 74 is turned left and right.

In addition, the front wheel drive motor 72 is mounted directly to the front wheel drive gear unit 71, and as the power is transmitted, the front wheel drive motor 72 is not exposed to the outside and is loaded adjacent to the front wheel 74 (40). Since it is located in the front wheel drive motor 72 has the advantage that the storage box 40 is expandable without interference. At this time, the reduction gear is installed on the front wheel drive motor 72, the driving force transmitted to the front wheel differential gear unit 71 is increased.

It is provided in the lower rear of the body frame 10, the rear wheel drive motor 82 is installed in the rear wheel drive gear unit 81 to drive the rear wheel 83, and is operated in conjunction with the rear wheel drive gear unit (81). A rear wheel drive unit 80 having a braking device 85 is provided at an end of the braking pinion shaft 84.

At this time, the rear wheel drive unit 80 is provided with a rear wheel drive gear unit 81 at the rear of the body frame 10 so as to be independent of the front wheel drive unit 70, and the rear wheel drive motor 82 is a rear wheel drive gear unit ( The rear wheel drive motor 82 is positioned below the rear wheel 83 and adjacent to the rear wheel 83 without being exposed to the outside as the power is transmitted directly to the rear wheel 81, so that the rear wheel drive motor 82 is not affected by the rear wheel drive motor 82. The stack 40 has the advantage of being extensible. At this time, the reduction gear is installed on the rear wheel drive motor 82, the driving force transmitted to the rear wheel drive gear unit 81 is increased.

In addition, the brake pinion shaft 84 is installed at a position opposite to the rear wheel drive motor 82 so as not to interfere with the loading box 40 and is engaged with the rear wheel drive gear unit 81 so that the brake device 85 is provided at one end. The braking force is transmitted to the rear wheel 83 at the time of operation.

In this case, the braking device 85 is operated by the brake lever 94 installed on the steering wheel 93 of the steering unit 90, which will be described later, is formed of a drum brake or a disk plate brake, the brake lever 94 Is to control the operation of the braking device 85 through a wire or hydraulic pressure.

Accordingly, when the brake lever 94 is operated while driving, the braking device 85 simultaneously transmits the braking force to the pair of wheels while decelerating or stopping the rotation of the rear wheel gear unit 81 through the braking pinion shaft 84, thereby under the driving. Steering phenomenon is prevented.

It is installed to pivot on the body frame 10 adjacent to the rear wheel drive unit 80 and is coupled to the front wheel 74 through the connecting bar 91, the control panel 92 for forward and backward, stop, speed control And a steering part 90 having a steering wheel 93.

At this time, one end of the connection bar 91 is coupled to both ends of the steering portion 90 by a hinge, the other end is coupled to the front wheel 74 and the link bar is coupled to the front wheel (74) ( The end of 91 is hingedly coupled to the operating plate 95, one end of which is pivoted between the pair of front wheels 74, and the other end of the operating plate 95 is connected via an auxiliary connecting bar 96. The steering wheel 97 protrudes on the front wheel 74 and the hinge is coupled. When the steering unit 90 is turned when the operating plate 95 is turned by the connecting bar 91, the auxiliary connecting bar 96 turns the front wheel 74 to control the traveling direction of the agricultural transport vehicle.

In addition, the rear wheel driving unit 80 is driven at the same speed as the front wheel driving unit 70 when driving straight, and the braking device 85 according to the turning angle of the front wheel 74 detected through the sensor 86 when switching left and right It is operated or by reducing the drive speed of the rear wheel drive motor 82 is 10 to 50% deceleration drive compared to the front wheel drive (70). At this time, the sensor 86 is installed at a position adjacent to the shaft or connecting bar 91 so that the steering unit 90 pivots, and detects the turning angle of the front wheel 74 according to the direction change, and the rear wheel according to the turning angle By reducing the speed of the wheel (83) 10 to 50% compared to the front wheel 74, the four-wheel drive force is transmitted stably.

The four-wheel drive agricultural transport vehicle equipped with a tilting device made as described above may easily pass through the front wheel drive unit 70 by rotating the shaft of the tilting unit 50 such as an obstacle such as a locking jaw or a groove during movement. It is also possible to prevent damage to the package, it is provided with a lift unit 20 to facilitate loading and unloading of cargo, and a power source for stably transmitting the driving force and braking force of the four-wheel drive transport equipment used for agriculture or industry (12) And the front wheel differential gear unit 71 and the rear wheel differential gear unit 81 in which the braking device 85 is directly installed, the driving safety is maintained even in rough terrain such as mountain roads, slopes, and mud. ) Can be used conveniently and reliably.

2: agricultural carriage 10: body frame
11 cylinder 12 power source
20: lift part 30: locking part
40: loading box 50: tilting part
51: upper case 52: lower case
53: first tilting hole 54: second tilting hole
55: fixed shaft 56: locking shaft
57: first fixing hole 58: second fixing hole
59: tilting shaft 60: fixed part
61: fixed rod 62: long hole
63: locking bolt 64: spacer bar
70: front wheel drive unit 80: rear wheel drive unit
90: steering unit

Claims (8)

A cylinder frame 11 having a lower portion connected to a lower central portion, and a body frame 10 having a power source 12 for supplying electromotive force on both sides;
A lift part 20 provided on an upper portion of the body frame 10 and having a rod and a dumping function connected to a rod of the cylinder 11 by an operation of the cylinder 11;
A catching part 30 provided at the rear of the lift part 20 to control a lift operation and a dumping operation of the lift part 20;
A loading box 40 provided on an upper portion of the lift unit 20 to load cargo;
The upper side of the upper case 51, which is provided at the front lower side of the body frame 10 and has a first tilting hole 53 which is bent downward on both sides and is formed through both sides of the body frame 10, is attached to the body frame 10. The lower case 52 connected to the lower case 52 is provided with both sides bent upwardly in the lower part of the upper case 51, and has a second tilting hole 54 formed therethrough to correspond to the first tilting hole 53 at both sides of the upper case 51. ) Is provided, and the cylindrical fixed shaft 55 is spaced apart so that the upper case 51 and the lower case 52 are axially rotated inside the penetrating first tilting hole 53 and the second tilting hole 54. A tilting unit 50 provided;
It is connected to the lower portion of the tilting portion 50, the front wheel drive motor 72 is directly installed in the front wheel differential gear unit 71, so that the front wheel 74, which is driven through the universal joint 73 at both ends is pivoted. Front wheel drive unit 70 is configured;
It is provided in the lower rear of the body frame 10, the rear wheel drive motor 82 is installed in the rear wheel drive gear unit 81 to drive the rear wheel 83, and is operated in conjunction with the rear wheel drive gear unit (81). A rear wheel driving unit 80 having a braking device 85 provided at an end of the braking pinion shaft 84;
It is installed to pivot on the body frame 10 adjacent to the rear wheel drive unit 80 and is coupled to the front wheel 74 through the connecting bar 91, the control panel 92 for forward and backward, stop, speed control And a steering unit (90) provided with a steering wheel (93). The method of claim 1,
The upper case 51 of the tilting part 50 has a cylindrical locking shaft 56 formed on one side and the other side, respectively, and is spaced apart from both sides of the first tilting hole 53 to penetrate the upper case 51. The first fixing hole 57 is formed,
The lower case 52 has a tilting shaft 59 having an inner diameter equal to an outer diameter of the second tilting hole 54 between the second tilting holes 54 and spaced apart from both sides of the tilting shaft 59. Cylindrical support shafts 67 are provided, respectively, and second fixing holes 58 are formed to be spaced apart from both sides of the second tilting hole 54 and penetrate the lower case 52.
The inside of the tilting shaft (59) is provided with a fixed shaft (55) having a length equal to the width of the upper case (51), and one side and the other side of the fixed shaft (55), respectively, spaced from the outer periphery, and one side is seated. The other side of the locking jaw is provided with a bush (65) provided between the inner side of the upper case 51 and the outer side of the lower case (52) on both sides, bolts (66) at each end of the fixed shaft (55) 4-wheel drive agricultural carriage equipped with a tilting device characterized in that the combined. 3. The method of claim 2,
The lower case 52 is a four-wheel drive provided with a tilting device, characterized in that the upper side of one side and the other side corresponding to the locking shaft 56 of the upper case 51 is formed lower than the second tilting hole 54 Agricultural carriers. 3. The method of claim 2,
The fixing part 60 is fitted to the first fixing hole 57 and the second fixing hole 58 of the tilting part 50 and has cylindrical fixing rods 61 extending on both sides thereof. Four-wheel drive agricultural carriage equipped with a tilting device characterized in that. 5. The method of claim 4,
The fixed portion 60 is horizontally bent upper portion having a long hole 62 is seated on the body frame 10, the long hole 62 is provided with a locking bolt 63 is passed through the long hole 62 It is coupled to the body frame 10, the four-wheel drive agricultural transporter with a tilting device, characterized in that the rear end of the fixed bar (61) extending in the bottom formed stepping step (64). The method of claim 1,
The rear wheel driving unit 80 is driven at the same speed as the front wheel driving unit 70 when driving straight, and the braking device 85 operates according to the turning angle of the front wheel 74 detected through the sensor 86 when switching left and right. Or a four-wheel drive agricultural transport vehicle equipped with a tilting device, characterized in that the driving speed of the rear wheel drive motor 82 is reduced by 10 to 50% reduction compared to the front wheel drive unit 70. The method of claim 1,
The brake device (85) is driven by a brake lever (94) installed on a steering wheel (93), four-wheel drive agricultural transporter with a tilting device, characterized in that formed by a drum brake or a disk plate brake. The method of claim 1,
The cylinder (11) is a four-wheel drive agricultural transport vehicle equipped with a tilting device, characterized in that formed in the hydraulic cylinder or operated in conjunction with the front wheel drive motor 72 or rear wheel drive motor through the rack and pinion gear.

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