CN213472792U - Easily-mounted and dismounted transmission system and agricultural trailer with same - Google Patents

Abstract

The utility model discloses an easy-to-mount-dismount transmission system and an agricultural trailer truck with the same, which comprises a speed changer, a gear pump, a hydraulic motor and an electromagnetic valve; the power input shaft of the speed changer is used for being connected with a rotating shaft at the tail of the agricultural locomotive, and the power output shaft of the speed changer is connected with the gear pump; the hydraulic motor is communicated with the gear pump through a hydraulic oil circuit, and the electromagnetic valve is arranged on the hydraulic oil circuit and used for controlling the flow and the flow direction; the transmission is detachably connected to the tail of the agricultural locomotive through the hanging bracket. The transmission system is convenient to disassemble and assemble, is beneficial to maintenance and replacement, enables the rotating speed, the torque and the steering of the transmission shaft of the trailer to be convenient to adjust, and greatly improves the flexibility and the application range of the trailer.

Description

Easily-mounted and dismounted transmission system and agricultural trailer with same

Technical Field

The utility model relates to a vehicle power device or transmission arrange or install, still relate to an agricultural trailer wagon that has this power device or transmission, concretely relates to transmission system that easily ann torn open and have agricultural trailer wagon of this system.

Background

China is a big agricultural country, and traditional agricultural locomotives are still used for agricultural transportation, farming or crop harvesting in many places of China. Agricultural locomotives are widely used as transportation tools, and particularly in farmland operation, the agricultural locomotives are very popular, and during the use, the agricultural locomotives are often required to exert the traction function. Specifically, during the towing process, the agricultural locomotive is provided with a towing device at the end part thereof for towing other matching devices. When crops need to be transported, a trailer wagon is usually hung behind an agricultural locomotive, and the crops are transported by the trailer wagon; when the tillage operation is needed, a plow harrow is usually hung behind an agricultural locomotive, and the plow harrow is used for tillage the land; when the harvesting operation is needed, a harvester is usually hooked behind an agricultural locomotive, and the crop is harvested by the harvester.

In the process of using the agricultural locomotive, the agricultural locomotive is also frequently required to be operated in a farmland by arranging a corresponding follow-up device on a rotating shaft arranged at the tail end of the agricultural locomotive, for example, when the agricultural locomotive is provided with a rotary cultivator for rotary cultivation, the rotating shaft is required to be connected with the rotary cultivator through a universal joint so as to drive the rotary cultivator for operation, a belt pulley is also frequently required to be arranged on the rotating shaft, when the rotating shaft rotates, the belt pulley is driven to rotate, and then power is provided for a water pump, a thresher and the like arranged at the other end of the belt pulley so as to supply people with.

In the related art, the arrangement position of the traction device is closely spaced from the position of the rotating shaft, so that when people want to use the rotating shaft for operation, the traction device can influence the follow-up device to be arranged on the rotating shaft, and therefore, the follow-up device needs to be arranged on the rotating shaft after the traction device is disassembled to complete the operation; therefore, when the agricultural locomotive is used for realizing the operation of traction and rotating the shaft, the traction device needs to be frequently disassembled and assembled, which is very inconvenient.

In the process of transporting crops by using the trailer, the power needs to be provided for the trailer through the gearbox, the moment of the trailer is increased, but the gearbox is not needed when the plough harrow is used for farming or the harvester is used for harvesting. The inventor researches and discovers that the existing gearboxes are fixedly arranged on rotating shafts of agricultural locomotives and are assembled with the rotating shafts of the agricultural locomotives in place through welding or other fixed connection modes, so that the mounting and dismounting steps of the gearboxes are complicated, and the labor cost and the time cost are increased.

In addition, most of the power transmission systems of the existing trailer trucks are fixed mechanical systems which are directly connected, the transmission shafts of the trailer trucks are directly connected with the rotating shaft of the agricultural locomotive, and the rotating speed, the torque and the steering of the trailer trucks are determined by the agricultural locomotive, so that the trailer trucks are inconvenient to adjust. Especially, when backing a car, it is very inconvenient to need to pass through complicated and tedious manual operation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a transmission system and have agricultural trailer of this system that relate to an easy ann tears open, this transmission system easy dismounting does benefit to maintenance and change, and makes the rotational speed, moment and the steering of the transmission shaft of trailer be convenient for adjust, has greatly improved the flexibility and the application scope of trailer.

For solving the technical problem, the utility model discloses the technical scheme who adopts does:

an easily-mounted and dismounted transmission system comprises a transmission, a gear pump, a hydraulic motor and an electromagnetic valve; the power input shaft of the speed changer is used for being connected with a rotating shaft at the tail of the agricultural locomotive, and the power output shaft of the speed changer is connected with the gear pump; the hydraulic motor is communicated with the gear pump through a hydraulic oil circuit, and the electromagnetic valve is arranged on the hydraulic oil circuit and used for controlling the flow and the flow direction; the transmission is detachably connected to the tail of the agricultural locomotive through the hanging bracket.

As a further technical scheme of the scheme, the hanging bracket comprises two connecting plates which are connected with a traction plate at the tail of the agricultural locomotive and are arranged in parallel, the end parts, far away from the traction plate, of the two connecting plates are simultaneously connected to one side of a vertical supporting plate, and the other side of the vertical supporting plate is connected with a horizontal supporting plate; the lower part of the horizontal supporting plate is connected with a fixing plate used for being connected with a speed changer.

As a further technical scheme of the scheme, the vertical supporting plate and the horizontal supporting plate are of an integrated structure.

As a further technical solution of the above solution, the horizontal support plate and the fixing plate are connected by a third connecting bolt.

As a further technical scheme of the above scheme, the power input shaft and the power output shaft of the transmission are respectively assembled at corresponding positions in the transmission case through a set of bearings; the transmission box body is internally provided with a driving gear and a driven gear, the driving gear is assembled on the power input shaft, the driven gear is assembled on the power output shaft, and the driving gear and the driven gear are meshed with each other.

An agricultural trailer truck with an easily-detachable transmission system comprises a frame and a trailer; the hydraulic motor is connected with a transmission shaft of a driving rear axle on the frame through a coupler; the electromagnetic valve is fixed on the frame.

As a further technical scheme of the scheme, the trailer is connected to the frame in a turnable manner.

As a further technical scheme of above-mentioned scheme, still including being fixed in the integrative case of water oil on the agricultural trailer, solenoid valve, hydraulic motor and gear pump by integrative case fuel feeding of water oil and oil return extremely integrative case of water oil.

As a further technical solution of the above solution, the water-oil tank includes a water tank and an oil tank, and the oil tank is immersed in water in the water tank.

As a further technical scheme of the scheme, water in the water tank is conveyed to the brake to cool the brake.

Compared with the prior art, the utility model, following advantage and beneficial effect have: the transmission in the transmission system is convenient to mount and dismount through the hanging bracket, so that the flexibility of the transmission system is improved; mechanical power of the agricultural locomotive is converted into hydraulic power through linkage hydraulic control of the speed changer, the gear pump, the hydraulic motor and the electromagnetic valve, the power transmission form is more flexible, the installation position can be adjusted according to needs, and the maintenance and the replacement are convenient; the agricultural trailer truck with the transmission system has more stable power transmission performance, can control forward flow and reverse flow in a hydraulic oil circuit by the electromagnetic valve, and can also control the flow rate of hydraulic oil, thereby controlling the forward movement, the backward movement and the speed of the agricultural trailer truck, and being more convenient and stable compared with a complex mechanical transmission mode.

Drawings

Fig. 1 is a schematic structural diagram of a transmission system and an agricultural trailer truck with the same.

Fig. 2 is a schematic structural diagram of the transmission of the present invention.

Fig. 3 is a schematic structural view of the middle hanger of the present invention.

Fig. 4 is the structure schematic diagram of the integrated vertical support plate and the horizontal support plate in the hanging bracket of the utility model.

Fig. 5 is a schematic view of a tail structure of an agricultural vehicle to which the present invention is applied.

The explanation of each reference number in the figure is: the hydraulic control system comprises a water-oil integrated tank 1, a water drain valve 2, an oil outlet pipe 3, an oil return pipe 4, an electromagnetic valve 5, a coupler 6, a hydraulic motor 7, a hanger 8, a transmission 9, a gear pump 10, a transmission shaft 11, a rear axle 12, a frame 13, a trailer 14, a first bearing 15, a transmission box 16, a second bearing 17, a driving gear 18, a power input shaft 19, a driven gear 20, a fixing plate 21, a third connecting bolt 22, a horizontal support plate 23, a vertical support plate 24, a second connecting bolt 25, a connecting plate 26, a first connecting bolt 27, a traction plate 28 and a rotating shaft 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions of the present invention.

It should be understood that the description of these embodiments is illustrative and not restrictive in any way, and that the embodiments described are only some but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of preferred embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a first object of the present invention is to provide an easy-to-mount and easy-to-dismount transmission system, which includes a transmission 9, a gear pump 10, a hydraulic motor 7 and a solenoid valve 5. The power input shaft 19 of the speed changer 9 is used for being connected with a rotating shaft at the tail of the agricultural locomotive, the power of the agricultural locomotive is transmitted to the speed changer 9 through the rotating shaft of the agricultural locomotive to drive the speed changer 9 to move, and the power output shaft of the speed changer 9 is connected with the gear pump 10 to further drive the gear pump 10 to work. The hydraulic motor 7 is communicated with the gear pump 10 through a hydraulic oil path, the electromagnetic valve 5 is arranged on the hydraulic oil path and used for controlling the flow and the flow direction, and the gear pump 10 pressurizes and conveys the hydraulic oil in the hydraulic oil path, so that power is transmitted to the hydraulic motor 7 to drive the hydraulic motor 7 to rotate. The transmission 9 is detachably connected to the tail of the agricultural locomotive through the hanging bracket 8, and the hanging bracket 8 can realize quick mounting and dismounting of the transmission 9 and is convenient to maintain or replace; the hanger 8 also enables the mounting position of the transmission 9 to be accurately adjusted.

As shown in fig. 3, the hanger 8 comprises two parallel connecting plates 26 connected with a traction plate 28 at the tail of the agricultural vehicle, the ends of the two connecting plates 26 far away from the traction plate 28 are connected to one side of a vertical supporting plate 24, and the other side of the vertical supporting plate 24 is connected with a horizontal supporting plate 23; a fixing plate 21 for connecting with the transmission 9 is connected to the lower portion of the horizontal support plate 23. The two connecting plates 26 are connected with a traction plate 28 at the tail of the agricultural locomotive, and after the power input shaft 19 of the transmission 9 and a rotating shaft at the tail of the agricultural locomotive are assembled in place, the fixing plate 21 is connected to the top of the transmission 9, so that the transmission 9 can be stably fixed; when other devices need to be hung at the tail of the agricultural locomotive, and the trailer with the transmission 9 needs to be detached, the transmission 9 can be conveniently taken down only by detaching the hanging bracket 8.

Two corresponding elongated through holes are respectively formed in the two connecting plates 26 corresponding to the connecting holes in the traction plate 28, wherein one elongated through hole is arranged along the horizontal direction, and the other elongated through hole is arranged along the vertical direction; the connection between the connection plate 26 and the traction plate 28 is achieved by a first connection bolt 27 passing through the elongated through hole and the connection hole. The elongated through holes in the coupling plate 26 facilitate adjustment of the coupling position between the coupling plate 26 and the traction plate 28, with the ultimate aim of better coupling the fixed transmission 9.

The connecting plate 26 is connected with the vertical supporting plate 24 in a welding mode, the connecting strength of the welding connection is high, the connection is firm enough, and the processing is convenient. However, for flexibility in assembling the connecting plate 26 with the vertical support plate 24, the end of the connecting plate 26 connected with the vertical support plate 24 is a connecting part parallel to the vertical support plate 24; the connecting part and the vertical supporting plate 24 are provided with strip-shaped through holes at the positions corresponding to the connecting part; the long strip-shaped through holes formed in the connecting parts are vertically arranged, and the long strip-shaped through holes formed in the vertical supporting plates 24 are horizontally arranged; the vertical support plate 24 and the connecting part are connected after penetrating through the elongated through holes of the vertical support plate and the connecting part through a second connecting bolt 25. The connecting portion and the elongated through hole on the vertical support plate 24 facilitate the adjustment of the connecting position of the connecting plate 26 and the vertical support plate 24, and the final purpose is to better connect and fix the transmission 9.

The vertical supporting plate 24 is connected with the horizontal supporting plate 23 in a welding mode, the welding connection strength is high, the connection is firm enough, and the processing is also convenient. The horizontal support plate 23, the vertical support plate 24 and the connecting plate 26 are perpendicular to each other, so that the position relation formed by combining the horizontal support plate, the vertical support plate 24 and the connecting plate 26 is flexible and changeable, and the connecting requirements of different positions and different angles can be met.

The horizontal support plate 23 is provided with a strip-shaped through hole, the fixing plate 21 is also provided with a strip-shaped through hole, and the strip-shaped through holes of the horizontal support plate and the fixing plate are mutually and vertically arranged; the horizontal support plate 23 and the fixing plate 21 are connected after passing through the strip-shaped through holes of the horizontal support plate and the fixing plate through a third connecting bolt 22. The main body of the fixing plate 21 is of a groove type, and the head or the nut of the third connecting bolt 22 is accommodated in the groove; the body of the fixed plate 21 has two lugs on either side thereof for attachment to the top of the variator 9, either welded or bolted. The distance between the horizontal support plate 23 and the fixing plate 21 can be adjusted by the third connecting bolt 22 to further adapt to the transmissions 9 with different sizes. The elongated through holes in the horizontal support plate 23 and the fixing plate 21 are perpendicular to each other, so that the positional relationship between the horizontal support plate 23 and the fixing plate 21 can be adjusted, and even if the transmission 9 is inclined due to a special condition, the structure of the hanger can be adjusted through the elongated through holes, and the transmission 9 is finally fixed stably.

The utility model provides a vertical support plate 24 and horizontal support plate 23 still have another kind of structural style, as shown in FIG. 4, adopt a monoblock panel to buckle and the punching press, form vertical support plate 24 and horizontal support plate 23 of integral type structure at last, regard crooked folding part as horizontal support plate 23. The integrated structure has better strength than the former welding structure, and the vertical support plate 24 and the horizontal support plate 23 are stressed by horizontal tension and vertical tension, and are perpendicular to each other, so that the horizontal support plate 23 cannot be unfolded due to stress, and the integrated structure is a more preferable structure.

As shown in fig. 2, the power input shaft 19 and the power output shaft of the transmission 9 are each fitted at a corresponding position in the transmission case 16 through a set of bearings; the transmission case 16 is further provided with a driving gear 18 and a driven gear 20, the driving gear 18 is assembled on the power input shaft 19, the driven gear 20 is assembled on the power output shaft, and the driving gear 18 and the driven gear 20 are meshed with each other. Generally, the drive gear 18 is larger in diameter than the driven gear 20 to achieve torque multiplication; for some applications, the drive gear 18 may be smaller in diameter than the driven gear 20 to increase the speed of rotation.

Another object of the present invention is to provide an agricultural trailer truck with the above easy-to-mount/dismount transmission system, so as to improve the flexibility and application range of the trailer truck. As shown in fig. 1, the agricultural trailer comprises a frame 13 and a trailer 14; the hydraulic motor 7 is connected with a transmission shaft 11 of a driving rear axle 12 on the frame 13 through a coupler 6; the electromagnetic valve 5 is fixed on the frame 13. The rotating shaft of the agricultural locomotive drives the transmission 9 to rotate, the transmission 9 drives the gear pump 10 to work, and the hydraulic oil pressurized by the gear pump 10 reaches the hydraulic motor 7, so that the hydraulic motor 7 is driven to rotate. The hydraulic motor 7 drives the transmission shaft 11 and the rear axle 12, and the driving of the agricultural trailer can be realized. Because the original direct connection mode is replaced, the hydraulic transmission mode is changed, the arrangement and the arrangement of the whole transmission system are more flexible, the position can be conveniently adjusted, the assembly and the disassembly are convenient, and the overhaul and the replacement are convenient.

The trailer 14 is connected to the frame 13 in a turnable manner. After the trailer 14 can be turned over, the unloading operation and the like become more convenient.

Still including being fixed in the integrative case 1 of water oil on the agricultural trailer car, solenoid valve 5, hydraulic motor 7 and gear pump 10 by the integrative case 1 oil feed of water oil and oil return extremely integrative case 1 of water oil. The utility model discloses in, the integrative case of water oil 1 is installed on trailer 14, the integrative case of water oil 1 includes water tank and oil tank, the oil tank through go out oil pipe 3 and return oil pipe 4 with solenoid valve 5, hydraulic motor 7 and gear pump 10 intercommunication realize fuel feeding and oil return. The oil tank is immersed in the water tank to water-cool the oil tank.

The hydraulic oil does work in the hydraulic motor 7, the hydraulic oil after doing work generates a large amount of heat, and the heat returns to the oil tank along with the flow of the hydraulic oil and exchanges heat with water in the water tank, so that the heat of the hydraulic oil is reduced. The water drain valve 2 is arranged at the bottom of the water tank, and water in the water tank is conveyed to the brake through the connecting water spraying pipe so as to cool the brake and ensure the safety of the brake.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An easy-to-mount and easy-to-dismount transmission system is characterized in that: comprises a speed changer (9), a gear pump (10), a hydraulic motor (7) and an electromagnetic valve (5); the power input shaft (19) of the transmission (9) is used for being connected with a rotating shaft at the tail of the agricultural locomotive, and the power output shaft of the transmission (9) is connected with the gear pump (10); the hydraulic motor (7) is communicated with the gear pump (10) through a hydraulic oil path, and the electromagnetic valve (5) is arranged on the hydraulic oil path and used for controlling the flow and the flow direction; the transmission device also comprises a hanging bracket (8), and the transmission (9) is detachably connected to the tail part of the agricultural locomotive through the hanging bracket (8).

2. An easy-to-install-and-detach transmission system according to claim 1, wherein: the hanging bracket (8) comprises two connecting plates (26) which are arranged in parallel and connected with a traction plate (28) at the tail of the agricultural locomotive, the end parts, far away from the traction plate (28), of the two connecting plates (26) are simultaneously connected to one side of a vertical supporting plate (24), and the other side of the vertical supporting plate (24) is connected with a horizontal supporting plate (23); a fixing plate (21) connected with the speed changer (9) is connected below the horizontal supporting plate (23).

3. An easy-to-install-and-detach transmission system according to claim 2, wherein: the vertical supporting plate (24) and the horizontal supporting plate (23) are of an integrated structure.

4. An easy-to-install-and-detach transmission system according to claim 2, wherein: the horizontal support plate (23) is connected with the fixing plate (21) through a third connecting bolt (22).

5. An easy-to-install-and-detach transmission system according to claim 1, wherein: the power input shaft (19) and the power output shaft of the transmission (9) are respectively assembled at corresponding positions in a transmission box body (16) through a group of bearings; the transmission box body (16) is internally provided with a driving gear (18) and a driven gear (20), the driving gear (18) is assembled on the power input shaft (19), the driven gear (20) is assembled on the power output shaft, and the driving gear (18) and the driven gear (20) are meshed with each other.

6. An agricultural tractor truck having a transmission system according to any one of claims 1 to 5, characterised in that: the agricultural trailer comprises a frame (13) and a trailer (14); the hydraulic motor (7) is connected with a transmission shaft (11) of a driving rear axle (12) on the frame (13) through a coupler (6); the electromagnetic valve (5) is fixed on the frame (13).

7. An agricultural trailer as defined in claim 6, wherein: the trailer (14) is connected to the frame (13) in a turnable manner.

8. An agricultural trailer as defined in claim 6, wherein: still including being fixed in integrative case of water oil (1) on the agricultural trailer car, solenoid valve (5), hydraulic motor (7) and gear pump (10) by integrative case of water oil (1) fuel feeding and oil return extremely integrative case of water oil (1).

9. An agricultural trailer as defined in claim 8, wherein: the water-oil integrated tank (1) comprises a water tank and an oil tank, and the oil tank is immersed in water in the water tank.

10. An agricultural trailer as defined in claim 9, wherein: and water in the water tank is conveyed to the brake to cool the brake.

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