CN110936781A - Multi-degree-of-freedom suspension suitable for tractor - Google Patents
Multi-degree-of-freedom suspension suitable for tractor Download PDFInfo
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- CN110936781A CN110936781A CN201911249657.0A CN201911249657A CN110936781A CN 110936781 A CN110936781 A CN 110936781A CN 201911249657 A CN201911249657 A CN 201911249657A CN 110936781 A CN110936781 A CN 110936781A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
Abstract
The invention relates to a multi-degree-of-freedom suspension suitable for a tractor, and belongs to the field of vehicle suspension support equipment. The driving shaft is arranged in the multi-degree-of-freedom suspension chassis frame body suitable for the tractor, and the driving shaft and the rim of the wheel are fixed to drive the wheel body to rotate; the outer side of the axle center of the rim is coaxially provided with a bearing seat, and the driving shaft and the rim of the wheel are mutually fixed through a universal shaft; the suspension seat is installed on the bearing seat, the suspension and the suspension seat are fixed to each other, the suspension is provided with a hinged end, the hinged end is hinged to the angle frame, the angle frame is connected with the hydraulic cylinder, the hydraulic cylinder drives the angle frame to twist, and the twisted driving angle frame drives the suspension to tilt up or sink down. The multi-degree-of-freedom suspension suitable for the tractor provided by the invention can adjust different angles of the rear wheel driving wheel of the tractor according to the requirement of a specific terrain, thereby increasing the coordination capacity of the whole use of the tractor. Further increasing the stability of the tractor during operation.
Description
Technical Field
The invention relates to a multi-degree-of-freedom suspension suitable for a tractor, and belongs to the field of vehicle suspension support equipment.
Background
Suspension is an important assembly in road vehicles, which elastically couples the frame to the wheels, and is responsible for many of the road vehicle's performance characteristics. The suspension is required to meet both the comfort and handling stability requirements of a road vehicle, which are mutually contradictory.
The tractor is one farm vehicle and is one self-propelled power machine for drawing and driving operation machine to complete various movable operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like. Tractors classified into agricultural, industrial and special uses according to function and use; the tractor is divided into a wheel type tractor, a crawler type tractor, a boat-shaped tractor, a self-propelled chassis and the like according to the structure type. The road or the road in agricultural reclamation in some mountain areas or hilly areas has height fall, the road width machines in some places have consistent depth, and the road tractor can not play a good role in farming in the places, even damages the chassis of the road tractor and causes troubles in use.
Disclosure of Invention
The invention provides a multi-degree-of-freedom suspension suitable for a tractor aiming at the problems.
The invention adopts the following technical scheme:
the multi-degree-of-freedom suspension suitable for the tractor comprises a tractor chassis frame body, wherein a driving shaft is arranged in the chassis frame body, and the driving shaft and a rim of a wheel are fixed to drive a wheel body to rotate; the device also comprises a suspension, a suspension seat, an angle bracket and a hydraulic cylinder; the outer side of the axle center of the rim is coaxially provided with a bearing seat, and the driving shaft and the rim of the wheel are mutually fixed through a universal shaft; the suspension seat is installed on the bearing seat, the suspension and the suspension seat are fixed to each other, the suspension is provided with a hinged end, the hinged end is hinged to the angle frame, the angle frame is connected with the hydraulic cylinder, the hydraulic cylinder drives the angle frame to twist, and the twisted driving angle frame drives the suspension to tilt up or sink down.
The invention relates to a multi-degree-of-freedom suspension suitable for a tractor, which is of a square frame structure and comprises a bottom rod, side position rods, side upright rods and cross pull rods, wherein the bottom rod is connected with the side upright rods; the sill bar be upper portion position sill bar and lower part position sill bar and mutual parallel arrangement, the sill bar is fixed on the suspension seat, the both ends of upper portion position sill bar and lower part position sill bar that are parallel to each other are articulated each other with the one end of side position pole respectively, fall into position and lower position with the side position pole, go up the articulated side pole setting in top between the side position pole at position and lower position, be located and be equipped with the drag link between the top of the side position pole of upper portion position.
The invention relates to a multi-degree-of-freedom suspension suitable for a tractor.
The invention relates to a multi-degree-of-freedom suspension applicable to a tractor, wherein a first tripod in a corner bracket and a second tripod on the same side are hinged with an upper part; one end of a side rod at the lower part of the supporting angle end of the other side of the first tripod is hinged with the other end of the second tripod.
The invention relates to a multi-degree-of-freedom suspension suitable for a tractor, wherein a hydraulic cylinder is fixed with a chassis frame body of the tractor through a rotating frame.
Advantageous effects
The multi-degree-of-freedom suspension suitable for the tractor provided by the invention can adjust different angles of the rear wheel driving wheel of the tractor according to the requirement of a specific terrain, thereby increasing the coordination capacity of the whole use of the tractor. Further increasing the stability of the tractor during operation.
The multi-degree-of-freedom suspension suitable for the tractor can keep the adjusted wheel body angle after the wheel body angle is adjusted and ensure the running of a vehicle.
The multi-degree-of-freedom suspension suitable for the tractor can adjust the adaptive angles of the wheel bodies on two sides simultaneously and adjust the adaptive shape angles of the wheel bodies on one side, so that the adaptability of a vehicle to different terrains is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the suspension arrangement of the present invention;
FIG. 3 is a schematic view of the overall mounting of the suspension of the present invention;
FIG. 4 is a schematic view of the wheel body angle adjustment of the present invention;
FIG. 5 is a schematic view of another wheel angle adjustment of the present invention;
FIG. 6 is a schematic view of a single-sided wheel angle adjustment of the present invention;
in the figure, 1 is a chassis frame body, 2 is a suspension, 3 is a suspension seat, 4 is an angle frame, 5 is a hydraulic cylinder, 6 is a bottom rod, 7 is a side rod, 8 is a side vertical rod, 9 is a cross rod, 10 is a tripod I, 11 is a tripod II, 12 is a cross shaft, 13 is a rotating frame, 14 is a driving shaft, and 15 is a universal shaft.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
As shown in fig. 1: a multi-degree-of-freedom suspension suitable for a tractor comprises a tractor chassis frame body 1, a suspension 2, a suspension seat 3, an angle bracket 4 and a hydraulic cylinder 5; a driving shaft 14 is arranged in the chassis frame body 1, and the driving shaft 14 is fixed with a rim of a wheel to drive the wheel body to rotate; a bearing seat is coaxially arranged on the outer side of the axle center of the rim, and the driving shaft 14 and the rim of the wheel are mutually fixed through a universal shaft 15; the suspension seat 3 is installed on the bearing seat, the suspension 2 and the suspension seat 3 are mutually fixed, the suspension 2 is provided with a hinged end, the hinged end is mutually hinged with an angle frame 4, the angle frame 4 is connected with a hydraulic cylinder 5, the hydraulic cylinder 5 drives the angle frame to be twisted, and the twisted driving angle frame drives the suspension to upwarp or sink. The hydraulic cylinder 5 is fixed to the chassis frame body of the tractor through the rotating frame 13. When the hydraulic cylinder 5 is actuated, due to the change of the moment, the hydraulic cylinder 5 can deflect under the support of the rotating frame 13 along with the difference of the moment, so that the damage to the hydraulic cylinder 5 in the deformation of the wheel is ensured.
As shown in fig. 2: the invention relates to a wheel body tilting mechanism in a multi-degree-of-freedom suspension of a tractor, which is characterized in that the suspension is of a square frame structure and comprises a bottom rod 6, side position rods 7, side vertical rods 8 and cross pull rods 9; the sill bar 6 is upper portion position sill bar and lower part position sill bar and mutual parallel arrangement, and sill bar 6 is fixed on the suspension seat, and the both ends of upper portion position sill bar and lower part position sill bar that are parallel to each other articulate each other with the one end of side position pole 7 respectively, fall into position and lower position with the side position pole, go up the position and the articulated side pole setting 8 in top between the side position pole 7 at lower position, are located and are equipped with drag link 9 between the top of the side position pole 7 of upper portion position. The angle frame is formed by combining a first tripod 10 and a second tripod 11, and a cross shaft is arranged at the top ends of the first tripod and the second tripod. The supporting angle end of the same side of the first tripod and the second tripod of the angle frame is hinged with the upper part; one end of a side rod at the lower part of the supporting angle end of the other side of the first tripod is hinged with the other end of the second tripod.
As shown in fig. 3: in order to further reduce the space occupied by the chassis driving component, the central axes of the two opposite angle brackets are arranged in a staggered mode, and the hydraulic cylinders 5 are arranged in a staggered and flat mode.
As shown in fig. 4: when the hydraulic cylinder 5 is pushed out, the top end of the angle bracket moves outwards, the bottom rod 6 is pushed outwards according to the lever moment principle, the side position rod 7 of the lower part is pulled to move upwards, the wheel body is inclined, the wheel body is shaped like a Chinese character 'ba', and the tractor in the state is suitable for running in a narrow road.
As shown in fig. 5: when the hydraulic cylinder 5 is tightened out, the top side of the corner bracket moves, the bottom rod 6 tilts inwards according to the lever moment principle, the side position rod 7 of the lower position part is pulled to move downwards, the wheel body tilts, the wheel body is shaped like an inside and outside splayed shape, and the tractor in the state is suitable for running in the middle of a road by a ditch.
As shown in fig. 6: when the wheel body is designed for a special road surface or a non-road surface, the wheel body on one side can be adjusted to incline according to the actual surveyed ground condition so as to adapt to different road environments.
The multi-degree-of-freedom suspension suitable for the tractor provided by the invention adopts the mode that the universal joint mechanism is additionally arranged on the driving shaft to ensure that the deformed wheel body normally rolls, and the multi-degree-of-freedom suspension can be used as a driving wheel or a chassis of a non-driving wheel mechanism.
The multi-degree-of-freedom suspension suitable for the tractor provided by the invention adopts the hydraulic cylinder 5 which can keep the deformation state of the wheel body in the running process compared with other suspensions and is not a transitional self-adaptive spring or a supporting suspension.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A multi-degree-of-freedom suspension suitable for a tractor comprises a tractor chassis frame body, wherein a driving shaft is arranged in the chassis frame body, and the driving shaft and a rim of a wheel are fixed to drive a wheel body to rotate; the method is characterized in that: the device also comprises a suspension, a suspension seat, an angle bracket and a hydraulic cylinder; the outer side of the axle center of the rim is coaxially provided with a bearing seat, and the driving shaft and the rim of the wheel are mutually fixed through a universal shaft; the suspension seat is installed on the bearing seat, the suspension and the suspension seat are fixed to each other, the suspension is provided with a hinged end, the hinged end is hinged to the angle frame, the angle frame is connected with the hydraulic cylinder, the hydraulic cylinder drives the angle frame to twist, and the twisted driving angle frame drives the suspension to tilt up or sink down.
2. The multiple degree of freedom suspension for a tractor according to claim 1, wherein: the suspension is of a square frame structure and comprises a bottom rod, side position rods, side upright rods and tie rods; the sill bar be upper portion position sill bar and lower part position sill bar and mutual parallel arrangement, the sill bar is fixed on the suspension seat, the both ends of upper portion position sill bar and lower part position sill bar that are parallel to each other are articulated each other with the one end of side position pole respectively, fall into position and lower position with the side position pole, go up the articulated side pole setting in top between the side position pole at position and lower position, be located and be equipped with the drag link between the top of the side position pole of upper portion position.
3. The multiple degree of freedom suspension for a tractor according to claim 1, wherein: the angle frame is formed by combining a first tripod and a second tripod, and a cross shaft is arranged at the top ends of the first tripod and the second tripod.
4. The multiple degree of freedom suspension for a tractor according to claim 2 or 3, wherein: the supporting angle end of the same side of the first tripod and the second tripod of the angle frame is hinged with the upper part; one end of a side rod at the lower part of the supporting angle end of the other side of the first tripod is hinged with the other end of the second tripod.
5. The multiple degree of freedom suspension for a tractor according to claim 1, wherein: the hydraulic cylinder is fixed on the chassis frame body of the tractor through the rotating frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249657.0A CN110936781A (en) | 2019-12-09 | 2019-12-09 | Multi-degree-of-freedom suspension suitable for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249657.0A CN110936781A (en) | 2019-12-09 | 2019-12-09 | Multi-degree-of-freedom suspension suitable for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110936781A true CN110936781A (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249657.0A Pending CN110936781A (en) | 2019-12-09 | 2019-12-09 | Multi-degree-of-freedom suspension suitable for tractor |
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| Country | Link |
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| CN (1) | CN110936781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439332A (en) * | 2020-04-22 | 2020-07-24 | 石金秀 | Rear wheel installation mechanism capable of improving steering stability of electric tricycle |
-
2019
- 2019-12-09 CN CN201911249657.0A patent/CN110936781A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439332A (en) * | 2020-04-22 | 2020-07-24 | 石金秀 | Rear wheel installation mechanism capable of improving steering stability of electric tricycle |
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