CN210519395U - Rotary type hilly and mountain tractor profiling suspension mechanism - Google Patents
Rotary type hilly and mountain tractor profiling suspension mechanism Download PDFInfo
- Publication number
- CN210519395U CN210519395U CN201921006799.XU CN201921006799U CN210519395U CN 210519395 U CN210519395 U CN 210519395U CN 201921006799 U CN201921006799 U CN 201921006799U CN 210519395 U CN210519395 U CN 210519395U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- lifting
- rotating
- tractor
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Agricultural Machines (AREA)
Abstract
The utility model discloses a rotary hilly and mountain tractor profiling suspension mechanism, which comprises an upper pull rod, a lower pull rod, a lifting arm, a lifting shaft, a lifting hydraulic cylinder, a limiting chain, a traction frame, a rotating shaft, a rotating frame, a thrust bearing, a positioning pin, a rotating hydraulic cylinder, an upper connecting rod, a lower connecting plate and a positioning bolt; the front surface of the traction frame is rotationally connected with the front surface of the rotating frame through a rotating shaft, and a rotating hydraulic cylinder is arranged between the front surface of the traction frame and the front surface of the rotating frame. The profile modeling suspension mechanism can enable the maximum transverse adjustable gradient of the farm tool to reach plus or minus 20 degrees, enable the longitudinal gradient between the tractor and the farm tool to be adapted to be up to 25 degrees, and enable the tractor to pull the farm tool to realize plough operation on hilly and mountainous regions. The hydraulic control system can also be used as an actuating mechanism of a ground profiling suspension mechanism, and after the hydraulic control system for terrain tracking is added, automatic control of ground profiling can be realized.
Description
Technical Field
The utility model belongs to the technical field of the tractor pulls and hangs, concretely relates to rotation type hilly mountain region tractor profile modeling hangs mechanism.
Background
The tractor traction suspension mechanism is composed of a series of rod pieces and is used for connecting various agricultural implements, transmitting the lifting force and traction force of the tractor to the agricultural implements and ensuring the agricultural implements to be in the correct position during transportation and operation. When the agricultural implement works in a farmland with flat terrain or little fluctuation, the traditional suspension mechanism can ensure that the agricultural implement works normally. However, in the areas with larger relief, such as hills and mountains, where the relief is larger, the traditional suspension mechanism is used for hanging the farm tool, so that the position and the attitude between the farm tool and the ground are changed greatly, because the traditional suspension mechanism lacks a transverse attitude adjusting function, and the traditional suspension mechanism is longitudinally adjusted to be in a locking state in the operation process, and cannot be adjusted along with the relief, so that the operation quality is poor, and the operation efficiency is lower. Along with the continuous improvement of the agricultural mechanization degree of hilly mountain areas, the market urgently demands a profile modeling suspension mechanism of a hilly mountain tractor, which has good operation quality, high efficiency, adjustable transverse posture and a longitudinal gradient self-adaptive function.
The traditional tractor traction suspension mechanism mainly comprises an upper pull rod, a lower pull rod, a lifting shaft, a lifting arm, a lifting hydraulic cylinder, a limiting chain and the like. The traditional suspension mechanism can adjust the length of a lifting rod to adapt to the change of a certain gradient and a certain terrain, but the traditional suspension mechanism needs to be adjusted before operation, the operation process is in a locking state, the adjustment effect is limited, and the real-time ground profiling operation function cannot be realized.
Therefore, in order to ensure the operation quality and improve the operation efficiency, the development of the profiling suspension mechanism which is suitable for the terrain characteristics of hills and mountains and has the functions of transverse attitude adjustment and longitudinal gradient self-adaption is significant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing a rotation type hills mountain region tractor profile modeling hangs mechanism, having horizontal gesture regulation and vertical slope self-adaptation function, when making the tractor use in the great area of relief such as hills mountain region, can adjust the traction position along with the topography change, make the agricultural implement normal work, the operating quality is good, efficient.
The technical scheme of the utility model is a rotary hilly mountain tractor profile modeling suspension mechanism, including upper link 1, two lower links 2, two lifting rods 3, two lifting arms 4, lifting shaft 5, lifting hydraulic cylinder 6, two spacing chains 7, traction frame 8, rotation axis 9, swivel mount 10, two thrust bearings 11, locating pin 12, rotary hydraulic cylinder 13, upper connecting rod 14, two lower connecting plates 15 and positioning bolt 16; the upper ends of the two lifting rods 3 are respectively connected with one ends of the two lifting arms 4 through ball pins, the lower ends of the two lifting rods 3 are respectively connected with the middle parts of the two lower pull rods 2 through pins, one end of a piston rod of the lifting hydraulic cylinder 6 is connected with a middle rotating arm of the lifting shaft 5 through the ball pins, the bottom end of the lifting hydraulic cylinder 6 is connected with a pin for a tractor, the two ends of the lifting shaft 5 are fixedly connected with the other ends of the lifting arms 4, one ends of the two limiting chains 7 are connected with the pin for the tractor, and the other ends of the two limiting chains are respectively connected with limiting chain holes of the two lower pull rods 2 through; one ends of the upper pull rod 1 and the two lower pull rods 2 are connected with a ball pin for a tractor, and the other ends of the upper pull rod and the two lower pull rods are connected with the back of the traction frame 8 by the ball pin; the front surface of the traction frame 8 is rotatably connected with the front surface of the rotating frame 10 through a rotating shaft 9, two thrust bearings 11 are arranged on the rotating shaft 9, the two thrust bearings 11 are respectively arranged in the front and the back of the traction frame 8, a sliding bearing is arranged between the rotating shaft 9 and a rotating shaft mounting hole of the traction frame 8, and one end of the rotating shaft 9 is fixed with the rotating frame 10 through a positioning pin 12; a rotary hydraulic cylinder 13 is arranged between the front surface of the traction frame 8 and the front surface of the rotating frame 10, the bottom end of the rotary hydraulic cylinder 13 is connected with the upper end of the front surface of the traction frame 8 through a ball pin, and the top end of the rotary hydraulic cylinder 13 is connected with a rotating arm at the lower end of the front surface of the rotating frame 10 through a ball pin; the upper end of the back of the rotating frame 10 is connected with one end of an upper connecting rod 14 through a ball pin, the other end of the upper connecting rod 14 is connected with a ball pin for hanging farm tools, two lower connecting plates 15 are respectively installed at the left lower end and the right lower end of the back of the rotating frame 10 through positioning bolts 16, and the other ends of the connecting plates 15 are connected with the ball pin for hanging farm tools.
The traction frame 8 is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or the middle of the bottom edge of the regular triangle.
The rotating frame 10 is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or a rotating shaft mounting hole is formed in the middle of the bottom edge of the regular triangle.
The lower end of the front surface of the rotating frame 10 deviates from the center of the rotating shaft mounting hole and is provided with a mounting hole for mounting a ball pin.
The lifting hydraulic cylinder 6 is a piston rod single-action hydraulic cylinder.
The rotary hydraulic cylinder 13 is a piston rod double-acting hydraulic cylinder.
The strokes of the lifting hydraulic cylinder 6 and the rotating hydraulic cylinder 13 are both 100 mm.
The rotary hydraulic cylinder 13 can enable the farm tool to be transversely adjusted to range from-20 degrees to 20 degrees through extension and retraction.
The lifting hydraulic cylinder 6 drives the lifting shaft 5 to rotate, so that the farm tool forms a longitudinal adaptable slope of 0-25 degrees relative to the ground.
The utility model discloses a rotation type hilly mountain region tractor profile modeling suspension mechanism that provides has following advantage:
1. the utility model discloses a rotation type hills mountain region tractor profile modeling hangs mechanism has the adjustable function of horizontal gesture, through adjusting rotary hydraulic cylinder, makes its piston rod extension or shorten and to drive the swivel mount rotatory, and the swivel mount drives and hangs the agricultural implement and rotate together, can make the biggest horizontal adjustable slope of agricultural implement reach 20 degrees, enables the tractor and pulls the agricultural implement and realize the operation of ploughing on hills mountain region.
2. The utility model discloses a rotation type hills mountain region tractor ground profile modeling hangs mechanism can adapt to great vertical slope, promotes the agricultural implement through adjusting the hoist pneumatic cylinder, can make and adapt to vertical slope between tractor and agricultural implement and can reach 25 degrees at most, can satisfy the great plough operation requirement of hills mountain area topography undulation.
3. The utility model discloses a rotation type hills mountain region tractor profile modeling hangs mechanism can regard as the actuating mechanism that ground profile modeling hung mechanism, after the hydraulic control system is trailed in addition the topography, can realize the automatic control of ground profile modeling, compares the tradition and hangs the mechanism, has reduced the driver and has operated the degree of difficulty, has further satisfied hills mountain area operation depth of tilling homogeneity and slope self-adaptation's agronomy requirement, can improve the operating efficiency by a wide margin, improves the operation quality.
Drawings
Fig. 1 is a schematic perspective view of a profile suspension mechanism of a rotary hilly and mountain tractor.
Fig. 2 is a right side view structure schematic diagram of the traction frame, the rotating frame and the rotating hydraulic cylinder.
Fig. 3 is a schematic structural view of a cross section of the working state of the rotary hydraulic cylinder between the traction frame and the rotary frame, which is sectioned toward the direction of the rotary frame.
Fig. 4 is a schematic view of a working state three-dimensional structure of a profiling suspension mechanism of a rotary hilly and mountain tractor.
The reference numbers in the figures illustrate:
1. the agricultural implement comprises an upper pull rod, 2 lower pull rods, 3 lifting rods, 4 lifting arms, 5 lifting shafts, 6 lifting hydraulic cylinders, 7 limiting chains, 8 traction frames, 9 rotating shafts, 10 rotating frames, 11 thrust bearings, 12 positioning pins, 13 rotating hydraulic cylinders, 14 upper connecting rods, 15 lower connecting plates, 16 positioning bolts and 17 agricultural implements
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Examples
The perspective structure of the profile suspension mechanism of the rotary hilly and mountain tractor according to the embodiment is schematically shown in fig. 1 to 4.
The profiling suspension mechanism of the rotary hilly and mountain tractor comprises an upper pull rod 1, two lower pull rods 2, two lifting rods 3, two lifting arms 4, a lifting shaft 5, a lifting hydraulic cylinder 6, two limiting chains 7, a traction frame 8, a rotating shaft 9, a rotating frame 10, two thrust bearings 11, a positioning pin 12, a rotating hydraulic cylinder 13, an upper connecting rod 14, two lower connecting plates 15 and a positioning bolt 16; the upper ends of the two lifting rods 3 are respectively connected with one ends of the two lifting arms 4 through ball pins, the lower ends of the two lifting rods 3 are respectively connected with the middle parts of the two lower pull rods 2 through pins, one end of a piston rod of the lifting hydraulic cylinder 6 is connected with a middle rotating arm of the lifting shaft 5 through the ball pins, the bottom end of the lifting hydraulic cylinder 6 is connected with a pin for a tractor, the two ends of the lifting shaft 5 are fixedly connected with the other ends of the lifting arms 4, one ends of the two limiting chains 7 are connected with the pin for the tractor, and the other ends of the two limiting chains are respectively connected with limiting chain holes of the two lower pull rods 2 through; one ends of the upper pull rod 1 and the two lower pull rods 2 are connected with a ball pin for a tractor, and the other ends of the upper pull rod and the two lower pull rods are connected with the back of the traction frame 8 by the ball pin; the front surface of the traction frame 8 is rotatably connected with the front surface of the rotating frame 10 through a rotating shaft 9, two thrust bearings 11 are arranged on the rotating shaft 9, the two thrust bearings 11 are respectively arranged in the front and the back of the traction frame 8, a sliding bearing is arranged between the rotating shaft 9 and a rotating shaft mounting hole of the traction frame 8, and one end of the rotating shaft 9 is fixed with the rotating frame 10 through a positioning pin 12; a rotary hydraulic cylinder 13 is arranged between the front surface of the traction frame 8 and the front surface of the rotating frame 10, the bottom end of the rotary hydraulic cylinder 13 is connected with the upper end of the front surface of the traction frame 8 through a ball pin, and the top end of the rotary hydraulic cylinder 13 is connected with a rotating arm at the lower end of the front surface of the rotating frame 10 through a ball pin; the upper end of the back of the rotating frame 10 is connected with one end of an upper connecting rod 14 through a ball pin, the other end of the upper connecting rod 14 is connected with a ball pin for hanging farm tools, two lower connecting plates 15 are respectively installed at the left lower end and the right lower end of the back of the rotating frame 10 through positioning bolts 16, and the other ends of the connecting plates 15 are connected with the ball pin for hanging farm tools.
The traction frame 8 is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or the middle of the bottom edge of the regular triangle. In this embodiment, an inverted T-shaped traction frame 8 is used. And mounting holes for mounting ball pins are formed at three end points of the inverted T shape on the back surface of the traction frame 8 and are used for connecting the upper pull rod 1 and the two lower pull rods 2. The upper end of the front face of the traction frame 8 is provided with a mounting hole for mounting a ball pin, and the mounting hole is used for being connected with the bottom end of the rotary hydraulic cylinder 13.
The rotating frame 10 is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or a rotating shaft mounting hole is formed in the middle of the bottom edge of the regular triangle. In this embodiment, an inverted T-shaped rotating frame 10 is used. A rotating arm is welded at the lower end of the front surface of the rotating frame 10, a ball pin mounting hole of the rotating arm deviates from the center of a rotating shaft mounting hole of the rotating frame 10, and the ball pin mounting hole of the rotating arm is used for being connected with the top end of the rotating hydraulic cylinder 13. The back of the rotating frame 10 is provided with a mounting hole for mounting a ball pin at the upper end point of the inverted T shape, and is used for connecting with an upper connecting rod 14, and the back of the rotating frame 10 is provided with a connecting plate 15 at two end points of the lower edge of the inverted T shape and is fixed by a positioning bolt 16.
It will be understood by those skilled in the art that there may be a ball pin mounting hole at the lower end of the front face of the swivel 10 off-center of the swivel shaft mounting hole, for mounting a ball pin for connection with the top end of the rotary hydraulic cylinder 13.
The lifting hydraulic cylinder 6 is a piston rod single-action hydraulic cylinder.
The rotary hydraulic cylinder 13 is a piston rod double-acting hydraulic cylinder.
The strokes of the lifting hydraulic cylinder 6 and the rotating hydraulic cylinder 13 are both 100 mm.
The rotary hydraulic cylinder 13 can enable the farm tool to be transversely adjusted to range from-20 degrees to 20 degrees through extension and retraction.
The lifting hydraulic cylinder 6 drives the lifting shaft 5 to rotate, so that the farm tool forms a longitudinal adaptable slope of 0-25 degrees relative to the ground.
The rotation type hilly mountain region tractor profile modeling suspension mechanism described in this embodiment is on traditional suspension mechanism's basis, through shortening certain length's pull rod 2, increases traction frame 8, rotation axis 9, swivel mount 10 and rotary hydraulic cylinder 13 and realizes. The traction frame 8 is connected by upper pull rod 1 and two lower pull rods 2 and is fixed on the tractor, and swivel mount 10 passes through rotation axis 9 and is connected with traction frame 8, and swivel mount 10 can rotate around rotation axis 9, and rotary hydraulic cylinder 13's bottom is connected with the positive upper end of traction frame 8, and rotary hydraulic cylinder 13's top is connected with the rocking arm of the positive lower extreme of swivel mount 10 with the ball pin. When a piston rod of the rotary hydraulic cylinder 13 extends and contracts, the rotary frame 10 is driven to rotate around the rotating shaft 9, and the suspended farm tool 17 suspended on the back surface of the rotary frame 10 rotates along with the rotation, so that the transverse posture adjustment of the suspended farm tool 17 is realized. The lifting hydraulic cylinder 6 drives the suspended farm tool 17 to lift or descend by controlling the extension of the piston rod through hydraulic pressure, and can meet the general requirements of the operation of the suspended mechanism and the self-adaptive function of the longitudinal gradient at a certain angle.
When the rotary hilly and mountain tractor profiling suspension mechanism described in the embodiment carries out transverse attitude adjustment, the electro-hydraulic proportional control technology is used for controlling the extension and retraction of the piston rod of the rotary hydraulic cylinder 13 to drive the rotary frame 10 to rotate around the rotating shaft 9, and further the transverse attitude adjustment of the suspended farm implements 17 is controlled. When the initial position of the suspended farm tool 17 is horizontal, the stroke of a movable rod of the rotary hydraulic cylinder 13 is in a middle position, when a piston rod is shortened, the rotary frame 10 rotates anticlockwise, and the rotating body of the suspended farm tool 17 inclines towards the left side and has a certain left-direction inclination angle; when the piston rod extends, the rotating frame 10 rotates clockwise, and the suspended farm tool 17 inclines towards the right side with a certain right-direction inclination angle. The inclination angle of the suspended farm tool 17 can be adjusted from-20 degrees to 20 degrees by controlling the extension and retraction of the piston rod of the rotary hydraulic cylinder 13, and the function of adjusting the transverse posture of the suspended farm tool 17 is realized.
When the suspended farm tool 17 is used for tilling depth control, the electro-hydraulic proportional control technology is used for controlling the extension and contraction of a piston rod of the lifting hydraulic cylinder 6 to drive the lifting shaft 5 to rotate by supplying oil to the lifting hydraulic cylinder 6 or returning oil to the lifting hydraulic cylinder 6, so that the suspended farm tool 17 is lifted or lowered. The suspended farm tool 17 is lifted by supplying oil to the lifting hydraulic cylinder 6, and when the suspended farm tool 17 is lifted to a certain position, the oil supply to the lifting hydraulic cylinder 6 is stopped, so that the lifting hydraulic cylinder 6 maintains pressure to keep the height of the suspended farm tool 17; when oil is returned to the lifting hydraulic cylinder 6, the suspended farm tool 17 is lowered by the self weight of the suspended farm tool 17.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a rotation type hilly mountain region tractor profile modeling hangs mechanism, characterized by: the device comprises an upper pull rod (1), two lower pull rods (2), two lifting rods (3), two lifting arms (4), a lifting shaft (5), a lifting hydraulic cylinder (6), two limiting chains (7), a traction frame (8), a rotating shaft (9), a rotating frame (10), two thrust bearings (11), a positioning pin (12), a rotating hydraulic cylinder (13), an upper connecting rod (14), two lower connecting plates (15) and a positioning bolt (16); the upper ends of the two lifting rods (3) are respectively connected with one ends of the two lifting arms (4) through ball pins, the lower ends of the two lifting rods (3) are respectively connected with the middle parts of the two lower pull rods (2) through pins, one end of a piston rod of the lifting hydraulic cylinder (6) is connected with a middle rotating arm of the lifting shaft (5) through the ball pins, the bottom end of the lifting hydraulic cylinder (6) is connected with a tractor through pins, the two ends of the lifting shaft (5) are fixedly connected with the other ends of the lifting arms (4), one ends of the two limiting chains (7) are connected with the tractor through pins, and the other ends of the two limiting chains are respectively connected with limiting chain holes of the two lower pull rods (2) through pins; one end of the upper pull rod (1) and one end of the two lower pull rods (2) are connected with a ball pin for a tractor, and the other ends of the upper pull rod and the two lower pull rods are connected with the back of the traction frame (8) by the ball pin; the front surface of the traction frame (8) is rotatably connected with the front surface of the rotating frame (10) through a rotating shaft (9), two thrust bearings (11) are arranged on the rotating shaft (9), the two thrust bearings (11) are respectively arranged in the front and the back of the traction frame (8), a sliding bearing is arranged between the rotating shaft (9) and a rotating shaft mounting hole of the traction frame (8), and one end of the rotating shaft (9) is fixed with the rotating frame (10) through a positioning pin (12); a rotary hydraulic cylinder (13) is arranged between the front surface of the traction frame (8) and the front surface of the rotating frame (10), the bottom end of the rotary hydraulic cylinder (13) is connected with the upper end of the front surface of the traction frame (8) through a ball pin, and the top end of the rotary hydraulic cylinder (13) is connected with a rotating arm at the lower end of the front surface of the rotating frame (10) through the ball pin; the upper end of the back of the rotating frame (10) is connected with one end of an upper connecting rod (14) through a ball pin, the other end of the upper connecting rod (14) is connected with a ball pin for hanging farm tools, two lower connecting plates (15) are respectively installed at the left lower end and the right lower end of the back of the rotating frame (10) through positioning bolts (16), and the other ends of the connecting plates (15) are connected with the ball pin for hanging farm tools.
2. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the traction frame (8) is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or the middle of the bottom edge of the regular triangle.
3. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the rotating frame (10) is in an inverted T shape or a regular triangle shape, and a rotating shaft mounting hole is formed in the middle of the bottom edge of the inverted T shape or the middle of the bottom edge of the regular triangle.
4. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the lower end of the front surface of the rotating frame (10) deviates from the center of the rotating shaft mounting hole and is provided with a mounting hole for mounting a ball pin.
5. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the lifting hydraulic cylinder (6) is a piston rod single-action hydraulic cylinder.
6. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the rotary hydraulic cylinder (13) is a piston rod double-acting hydraulic cylinder.
7. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the strokes of the lifting hydraulic cylinder (6) and the rotating hydraulic cylinder (13) are both 100 mm.
8. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the rotary hydraulic cylinder (13) can enable the farm tool to be transversely adjusted within a range of-20 degrees to 20 degrees through extension and retraction.
9. The rotary hilly mountain tractor profiling suspension mechanism of claim 1, wherein: the lifting hydraulic cylinder (6) drives the lifting shaft (5) to rotate, so that the farm tool forms a longitudinal adaptable slope of 0-25 degrees relative to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006799.XU CN210519395U (en) | 2019-07-01 | 2019-07-01 | Rotary type hilly and mountain tractor profiling suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006799.XU CN210519395U (en) | 2019-07-01 | 2019-07-01 | Rotary type hilly and mountain tractor profiling suspension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210519395U true CN210519395U (en) | 2020-05-15 |
Family
ID=70597455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921006799.XU Active CN210519395U (en) | 2019-07-01 | 2019-07-01 | Rotary type hilly and mountain tractor profiling suspension mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210519395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226377A (en) * | 2019-07-01 | 2019-09-13 | 中国农业大学 | A kind of rotary hilly and mountainous land tractor profiling suspension mechanism |
| CN113348802A (en) * | 2021-05-24 | 2021-09-07 | 江苏海瑞通机械有限公司 | Last mechanism that hangs of stable form rotary cultivator |
-
2019
- 2019-07-01 CN CN201921006799.XU patent/CN210519395U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226377A (en) * | 2019-07-01 | 2019-09-13 | 中国农业大学 | A kind of rotary hilly and mountainous land tractor profiling suspension mechanism |
| CN113348802A (en) * | 2021-05-24 | 2021-09-07 | 江苏海瑞通机械有限公司 | Last mechanism that hangs of stable form rotary cultivator |
| CN113348802B (en) * | 2021-05-24 | 2023-08-22 | 江苏海瑞通机械有限公司 | Suspension mechanism on stable rotary cultivator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210381837U (en) | Telescopic profile modeling suspension mechanism of hilly and mountain tractor | |
| CN210519395U (en) | Rotary type hilly and mountain tractor profiling suspension mechanism | |
| US7784558B2 (en) | Three point hitch | |
| CN206865977U (en) | A kind of hilly and mountainous land tractor ground profiling hitch | |
| CN108834445B (en) | Profiling supporting roller type paddy field laser land leveller | |
| CN115538510A (en) | Working arm and engineering machinery vehicle | |
| EA034162B1 (en) | Semi-mounted plough | |
| CN104782250B (en) | A kind of paddy field level land device with ball pivot connection and hydraulic cylinder composition linkage | |
| CN110226377A (en) | A kind of rotary hilly and mountainous land tractor profiling suspension mechanism | |
| US3430503A (en) | Backhoe swing mechanism | |
| CN110178470A (en) | A kind of telescopic hilly and mountainous land tractor profiling suspension mechanism | |
| CN117178663A (en) | Turnover plow with hydraulic overload protection and hydraulic amplitude modulation device | |
| CN114467394B (en) | Suspension lifting automatic balancing system and control method thereof | |
| CN211321958U (en) | Dedicated hydraulic pressure leveling linkage of hillside tractor | |
| CN111066400B (en) | Rotary cultivator three-point mounted frame | |
| US3884310A (en) | Working aggregate, more particularly for soil cultivation | |
| CN108617176B (en) | Three-freedom-degree farm tool suspension mechanism of tractor | |
| CN211557924U (en) | Remote control mountain crawler tractor with hillside fields topography adaptation function | |
| CN211831817U (en) | Ditching device for crop planting | |
| CN210470222U (en) | Automatic leveling and ploughing integrated machine | |
| CN210247419U (en) | Ditching and ridging lifting device of rotary cultivator | |
| CN219919633U (en) | Walking depth limiting device with buffer device for turnover plow | |
| US3731750A (en) | Plow hitch | |
| CN202998797U (en) | Grass remover lifting device suspended in front of tractor | |
| CN210686505U (en) | Plowshare hydraulic buffer mechanism for hydraulic turnover plow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |