CN220883952U - Connection structure between tractor aircraft nose and trailer - Google Patents
Connection structure between tractor aircraft nose and trailer Download PDFInfo
- Publication number
- CN220883952U CN220883952U CN202322948522.1U CN202322948522U CN220883952U CN 220883952 U CN220883952 U CN 220883952U CN 202322948522 U CN202322948522 U CN 202322948522U CN 220883952 U CN220883952 U CN 220883952U
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- China
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- connecting frame
- universal joint
- bevel gear
- trailer
- shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000009194 climbing Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a connecting structure between a tractor head and a trailer, which comprises a first connecting frame, a second connecting frame, a steering gear set, a first universal joint, a hinged fork, a traction rod, a transmission shaft, a second universal joint, a speed changer and a third universal joint, wherein one side of the first connecting frame is connected with a gearbox shell of the tractor head, the steering gear set is positioned in a cavity formed by frame parts of the first connecting frame and the second connecting frame and is rotatably fixed on the frames of the first connecting frame and the second connecting frame, the first universal joint is positioned in the cavity formed by the frame parts of the second connecting frame and the hinged fork, the transmission shaft penetrates through the hollow traction rod and is connected with the other end of the first universal joint, the other end of the transmission shaft is connected with the speed changer through the second universal joint, and the speed changer is connected with the transmission shaft of the trailer through the third universal joint. The utility model can transmit power to the trailer, so that the trailer has stronger climbing capacity, and simultaneously, the trailer can turn and reverse more safely.
Description
Technical Field
The utility model relates to a connecting structure, in particular to a connecting structure between a tractor head and a trailer.
Background
The existing tractor head and trailer are connected through a bolt, and can be used as a tractor transporting unit after being connected, or can be separated from the trailer, and the tractor head is used independently. The existing trailer has no power input, so when the trailer is connected with the tractor head to be used as a tractor transport unit, the driving wheel is easy to slip when meeting muddy, uneven pavement or steep uphill, and particularly, the driving wheel is more difficult to run in rainy days. Meanwhile, the turning and reversing are inconvenient, and the turning needs to be turned into a large curve; reversing is in the opposite direction, is not easy to control and has poor safety. Because the existing trailer and the connecting structure of the trailer and the tractor head have the problems, the application range and the application efficiency of the tractor are limited, and certain potential safety hazards are caused.
Disclosure of utility model
The utility model aims to provide a connecting structure between a tractor head and a trailer, which aims at overcoming the defects of the prior art, and the connecting structure can be used for conveying power to the trailer, so that the trailer has stronger climbing capacity and can be safer for turning and reversing.
The utility model aims at realizing the following technical scheme:
The utility model provides a connection structure between tractor aircraft nose and the trailer, includes first connecting frame, second connecting frame, steering gear group, first universal joint, articulated fork, traction lever, transmission shaft, second universal joint, derailleur and third universal joint, one side of first connecting frame is connected with the gearbox casing of tractor aircraft nose, the opposite side of first connecting frame is articulated through first round pin axle with one side of second connecting frame, steering gear group is located in the cavity that first connecting frame and the frame part of second connecting frame constitute and rotatable the fixing on the frame of first connecting frame and second connecting frame, the input shaft of steering gear group is articulated with one side of the gearbox of tractor aircraft nose through the second round pin axle, first universal joint is located the cavity that the frame part of second connecting frame and articulated fork constitute, the output shaft of steering gear group is connected with one end of first universal joint, the one end fixed connection of traction lever is on the opposite side of articulated fork, the transmission shaft runs through in hollow traction lever and is connected with the other end of first universal joint, the input shaft and the output shaft of tractor is connected with the other end of first universal joint on the top of the transmission shaft through the universal joint through the bottom of the derailleur, the top of the transmission shaft is fixed with the derailleur through the universal joint.
Further, the steering gear set comprises four bevel gears, namely an upper bevel gear, a lower bevel gear, a left bevel gear and a right bevel gear, and each bevel gear is meshed with two adjacent bevel gears at the same time.
Further, the left bevel gear is mounted on the frame of the first connecting frame through a shaft and a bearing, the shaft of the left bevel gear is connected with the output shaft of the tractor gearbox, the right bevel gear is mounted on the frame of the second connecting frame through a shaft and a bearing, the shaft of the right bevel gear is connected with the first universal joint, the upper bevel gear and the lower bevel gear are mounted on the frames of the first connecting frame and the second connecting frame through a shaft and a bearing, and the shafts of the upper bevel gear and the lower bevel gear are coaxial with a first pin shaft connecting the first connecting frame and the second connecting frame.
Further, each bevel gear of the steering gear set is a spiral bevel gear.
Further, the first connecting frame is connected with a gearbox shell of the tractor through a connecting plate and bolts.
Under the condition of not changing the original structure of the tractor head, the power of the tractor head can be transmitted to the trailer by adopting the steering bevel gear set, the universal joint, the transmission shaft, the speed changer and the like, so that the trailer has stronger climbing capacity, and meanwhile, the trailer can be safer in turning and reversing due to adopting the steering bevel gear set which is meshed with each other in pairs of the upper, lower, left and right directions. When the tractor head is required to be used independently, the connecting structure can be detached easily, so that the tractor head is separated from the trailer, and the use range and the use efficiency of the tractor are improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
Fig. 4 is a schematic view of a usage state structure of the present utility model.
The marks in the figure: 1. a first connection frame; 101. a connecting plate; 2. a steering bevel gear set; 3. a second connection frame; 4. a first pin; 5. a first universal joint; 6. a second pin; 7. a hinged fork; 8. a transmission shaft; 9. a traction rod; 10. a second universal joint; 11. a transmission; 12. a third universal joint; 13. a trailer drive shaft; 14. a trailer axle; 15. and (5) a trailer.
Detailed Description
As shown in fig. 1 to 4, the connection structure between the tractor head and the trailer provided in this embodiment includes a first connection frame 1, a steering gear set 2, a second connection frame 3, a first universal joint 5, a hinge fork 7, a transmission shaft 8, a traction rod 9, a second universal joint 10, a transmission 11 and a third universal joint 12, one side of the first connection frame 1 is connected with a transmission housing of the tractor head through a connection plate 101 and a bolt, the other side of the first connection frame 1 is hinged with one side of the second connection frame 3 through a first pin 4, the steering gear set 2 is located in a cavity formed by frame portions of the first connection frame 1 and the second connection frame 3, and the other side of the second connection frame 3 is hinged with one side of the hinge fork 7 through a second pin 6.
The steering gear set 2 in this embodiment includes four bevel gears, including upper, lower, left and right, the bevel gears may be helical bevel gears or straight bevel gears, each bevel gear is engaged with two adjacent bevel gears at the same time, wherein the left bevel gear is mounted on the frame of the first connection frame 1 through a shaft and a bearing, and the shaft of the left bevel gear is connected with the output shaft of the tractor gearbox, the right bevel gear is mounted on the frame of the second connection frame 3 through a shaft and a bearing, and the shaft of the right bevel gear is connected with one end of the first universal joint 5, the upper and lower bevel gears are mounted on the frames of the first connection frame 1 and the second connection frame 3 through a shaft and a bearing, and the shafts of the upper and lower bevel gears are coaxial with the first pin shaft 4 connecting the first connection frame 1 and the second connection frame 3. The utility model adopts the steering bevel gear sets 2 which are meshed with each other in pairs up, down, left and right, and can safely realize the turning of the trailer 15 under the condition of ensuring the power transmission.
The first universal joint 5 is located in a cavity formed by the frame part of the second connecting frame 3 and the hinged fork 7, the shaft of the right bevel gear of the steering gear set 2 is connected with one end of the first universal joint 5, one end of the traction rod 9 is fixedly connected to the other side of the hinged fork 7, the transmission shaft 8 penetrates through the hollow traction rod 9 and is connected with the other end of the first universal joint 5, the other end of the transmission shaft 8 is connected with the transmission 11 through the second universal joint 10, the transmission 11 is connected with one end of the trailer transmission shaft 13 through the third universal joint 12, the other end of the trailer transmission shaft 13 is connected with the trailer axle 14 through the universal joint, and the top of the transmission 11 is fixed on the bottom of the trailer 15.
When the tractor head is required to be separated from the trailer, the bolts are loosened, the connecting plate 101 is taken down, and the tractor head can be independently used for farmland operations such as soil cultivation and plowing; on the contrary, the connecting plate 101 is connected with the gearbox shell of the tractor head through bolts, so that the tractor head can be used as a tractor transport unit, and the tractor head is simple and convenient to install and safe to use.
The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model.
Claims (5)
1. A connection structure between tractor aircraft nose and trailer, its characterized in that: comprises a first connecting frame (1), a steering gear set (2), a second connecting frame (3), a first universal joint (5), a hinged fork (7), a transmission shaft (8), a traction rod (9), a second universal joint (10), a speed changer (11) and a third universal joint (12), wherein one side of the first connecting frame (1) is connected with a gearbox shell of a tractor head, the other side of the first connecting frame (1) is hinged with one side of the second connecting frame (3) through a first pin shaft (4), the steering gear set (2) is positioned in a cavity formed by frame parts of the first connecting frame (1) and the second connecting frame (3) and is rotatably fixed on the frames of the first connecting frame (1) and the second connecting frame (3), an input shaft of the steering gear set (2) is connected with an output shaft of the gearbox of the tractor head, the other side of the second connecting frame (3) is hinged with one side of the hinged fork (7) through a second pin shaft (6), the first universal joint (5) is positioned in the frame part of the second connecting frame (3) and is hinged with the hinged output shaft (7) of the other side of the first universal joint (5) which is fixed on one end of the traction rod (9), the transmission shaft (8) penetrates through the hollow traction rod (9) and is connected with the other end of the first universal joint (5), the other end of the transmission shaft (8) is connected with the transmission (11) through the second universal joint (10), the transmission (11) is connected with the trailer transmission shaft (13) through the third universal joint (12), and the top of the transmission (11) is fixed on the bottom of the trailer (15).
2. The connection structure between a tractor head and a trailer according to claim 1, wherein: the steering gear set (2) comprises an upper bevel gear, a lower bevel gear, a left bevel gear and a right bevel gear, and each bevel gear is meshed with two adjacent bevel gears at the same time.
3. The connection structure between a tractor head and a trailer according to claim 2, wherein: the left bevel gear is installed on the frame of the first connecting frame (1) through a shaft and a bearing, the shaft of the left bevel gear is connected with the output shaft of the tractor gearbox, the right bevel gear is installed on the frame of the second connecting frame (3) through a shaft and a bearing, the shaft of the right bevel gear is connected with the first universal joint (5), the upper bevel gear and the lower bevel gear are installed on the frames of the first connecting frame (1) and the second connecting frame (3) through a shaft and a bearing, and the shafts of the upper bevel gear and the lower bevel gear are coaxial with the first pin shaft (4) connecting the first connecting frame (1) and the second connecting frame (3).
4. A connection between a tractor head and a trailer as claimed in claim 3, wherein: each bevel gear of the steering gear set (2) is a spiral bevel gear.
5. The connection structure between a tractor head and a trailer according to claim 1, wherein: the first connecting frame (1) is connected with a gearbox shell of the tractor through a connecting plate (101) and bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948522.1U CN220883952U (en) | 2023-11-01 | 2023-11-01 | Connection structure between tractor aircraft nose and trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948522.1U CN220883952U (en) | 2023-11-01 | 2023-11-01 | Connection structure between tractor aircraft nose and trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883952U true CN220883952U (en) | 2024-05-03 |
Family
ID=90879318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322948522.1U Active CN220883952U (en) | 2023-11-01 | 2023-11-01 | Connection structure between tractor aircraft nose and trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883952U (en) |
-
2023
- 2023-11-01 CN CN202322948522.1U patent/CN220883952U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |