CN220383506U - Limiting structure for rotary cultivator carriage used for bulldozing and rotary cultivator - Google Patents
Limiting structure for rotary cultivator carriage used for bulldozing and rotary cultivator Download PDFInfo
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- CN220383506U CN220383506U CN202322232476.5U CN202322232476U CN220383506U CN 220383506 U CN220383506 U CN 220383506U CN 202322232476 U CN202322232476 U CN 202322232476U CN 220383506 U CN220383506 U CN 220383506U
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- limiting
- frame
- rotary cultivator
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 82
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003971 tillage Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a limiting structure and rotary cultivator used when a rotary cultivator carriage is used for bulldozing, wherein the carriage is arranged at the rear end of a rotary cultivator frame, the limiting structure comprises side limiting pieces respectively arranged at two sides of the carriage, and limiting chains arranged in the middle of the carriage and used for connecting the carriage frame, the side limiting pieces are arranged behind corresponding frame side plates and can be contacted with the corresponding frame side plates to limit the carriage to swing into the frame, and when the side limiting pieces are contacted with the frame side plates, the limiting chains are in a straight tensioning state. According to the utility model, the side limiting parts and the limiting chains are respectively arranged at the two sides and the middle part of the carriage, so that the carriage can be prevented from swinging into the frame when the carriage moves backwards and bulldozes, the carriage is not easy to deform and damage, and the service life of the carriage is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of agricultural engineering machinery, in particular to a rotary cultivator carriage limiting structure and rotary cultivator.
Background
When the tractor works in the field, the tractor often needs to use a rotary cultivator carriage to retreat and bulldoze the crushed ridge to repair the ridge, so that the loss of water and fertilizer in the field caused by the damage of the ridge is prevented, or when the field is extremely uneven, the tractor works by bulldozing, so that the land of the working field is leveled; however, the existing rotary cultivator carriage is not provided with a limiting structure so as to prevent the carriage from swinging into the frame when the carriage bulldozes, so that the carriage is often deformed, damaged or worn out at the bolt position of the carriage in the working process.
Disclosure of Invention
The utility model aims to provide a rotary cultivator carriage limiting structure and a rotary cultivator, which have simple structures and can prevent the carriage from swinging into a frame during bulldozing, thereby solving the problems.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model provides a limit structure when rotary cultivator planker is used for bulldozing, the rear end of rotary cultivator frame is located to the planker, limit structure is including locating the side locating part of planker both sides and locating the limiting chain that is used for being connected planker and frame in the middle part of the planker, side locating part is located corresponding frame curb plate rear and can contact with it in order to restrict the planker and swing in the frame, when side locating part and frame curb plate contact, the limiting chain is in the state of stretching tension.
As a further improvement of the above technical scheme:
preferably, the limiting chains are provided with two groups, and the two groups of limiting chains are uniformly arranged in the middle of the carriage at intervals.
Preferably, the limiting chain comprises a chain, a first U-shaped connector, an adjusting screw and a second U-shaped connector which are sequentially connected from bottom to top, two sides of the second U-shaped connector are hinged with a first limiting connecting plate arranged on the frame through hinge shafts, and the lower end of the chain is hinged with a second limiting connecting plate arranged on the carriage through a pin shaft.
Preferably, a tension sensor for detecting the bulldozing resistance of the carriage is further arranged on the adjusting screw, and the tension sensor generates an early warning signal when the bulldozing resistance of the carriage reaches a preset value.
Preferably, the second limiting connecting plate is provided with a plurality of connecting holes, and the chain can be selectively hinged with the connecting holes through a pin shaft.
Preferably, the side limiting member is a side limiting plate.
Preferably, the side limiting plate is bent similar to the cross section of the carriage, and comprises an upper plate and a lower plate, wherein the upper plate is vertical when being contacted with the side plate of the frame.
Preferably, a first side reinforcing rib which is horizontally arranged is further arranged between the upper plate and the carriage of the side limiting plate, and a second side reinforcing rib which is horizontally arranged is further arranged between the lower plate and the carriage.
The utility model also provides a rotary tillage machine, which comprises a frame, wherein the top of the frame is provided with a gearbox, the bottom of the frame is provided with a cutter roller and a side plow, the rear of the frame is provided with a carriage, the top of the carriage is hinged on the frame through a three-point type bolt, two groups of compression bars are further arranged between the frame and the carriage, each compression bar is sleeved with a compression bar spring, and the carriage is provided with the limiting structure.
Compared with the prior art, the utility model has the following advantages:
1. the side limiting parts are arranged on two sides of the carriage, the middle of the side limiting parts is also provided with two limiting chains for connecting the carriage with the frame, the side limiting parts and the two side limiting parts form multi-point limiting together, the limiting points are uniformly distributed, when the carriage performs backward bulldozing operation, the side limiting parts can be contacted with the side plates of the frame to limit the carriage to swing into the frame, the limiting chains can be in a state of stretching and tensioning, the carriage can be ensured to be uniformly stressed, the carriage is not easy to deform and damage, and the service life of the carriage can be greatly prolonged.
2. The limiting chain adopts the adjustable limiting point of the adjusting screw, so that the uniformity of stress of the carriage during bulldozing operation can be further ensured, and the service life of the carriage is prolonged. And the adjusting screw is also internally provided with a tension sensor for detecting the bulldozing resistance of the carriage, when the bulldozing resistance of the carriage reaches a preset value, the tension sensor generates an early warning signal and feeds back the early warning signal to an operator to stop the current bulldozing operation, so that the carriage is protected and prevented from being deformed and damaged.
3. The utility model adopts the three-point type (two ends and the middle part respectively) bolt to fix the upper end of the carriage, and can ensure that the upper end of the carriage is uniformly stressed, thereby reducing the abrasion of two sides of the upper end of the carriage and prolonging the service life of the carriage.
Drawings
Fig. 1 is a schematic view of a part of a carriage with side limiting plates according to the present utility model.
Fig. 2 is a schematic view of a part of a carriage with a limiting chain according to the present utility model.
Figure 3 is a schematic view of the rotary cultivator of the present utility model (when the carriage is not in a limited position).
FIG. 4 is a schematic view of the rotary cultivator of the present utility model (when the carriage is in a spacing state)
Legend description:
1. a frame; 101. a frame side plate; 102. the first limit connecting plate; 2. side plow; 3. a knife roll; 4. a carriage; 401. a side limiting member; 402. a carriage side plate; 403. a first side reinforcing rib; 404. a second side reinforcing rib; 405. the second limit connecting plate; 5. a limit chain; 501. a chain; 502. a first U-shaped joint; 503. adjusting a screw; 504. a second U-shaped joint; 6. a first latch; 7. a compression bar; 701. a compression bar spring; 8. a gearbox; 9. a second latch; 10. and a third bolt.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1-2, in an embodiment of a limit structure for a rotary cultivator carriage for bulldozing according to the present utility model, the carriage 4 is disposed at a rear end of a frame 1 of the rotary cultivator, the limit structure includes side limit members 401 disposed at both sides of the carriage 4, respectively, and limit chains 5 disposed at a middle portion of the carriage 4 for connecting the carriage 4 with the frame 1, the side limit members 401 are preferably welded to an outer side of a carriage side plate 402 and located behind a corresponding frame side plate 101, the side limit members 401 can contact with the frame side plate 101 to limit the carriage 4 from swinging into the frame 1, and the limit chains 5 are in a straightened state when the side limit members 401 contact with the frame side plate 101. When the carriage carries out the backward bulldozing operation, the structure can limit the carriage to swing into the frame, ensure that the carriage is not easy to deform and damage, and greatly prolong the service life of the carriage.
In this embodiment, two sets of limiting chains 5 are provided, and the two sets of limiting chains 5 are uniformly spaced in the middle of the carriage 4. The two groups of limiting chains 5 and the two side limiting parts together form multi-point limiting, and limiting points are uniformly distributed, so that the carriage is uniformly stressed and is not easy to deform during bulldozing.
In this embodiment, the limiting chain 5 includes a chain 501, a first U-shaped joint 502, an adjusting screw 503 and a second U-shaped joint 504 sequentially connected from bottom to top, two sides of the second U-shaped joint 504 are hinged with a first limiting connection plate 102 arranged on the frame 1 through hinge shafts, and the lower end of the chain 501 is hinged with a second limiting connection plate 405 arranged on the carriage 4 through a pin shaft. And the second limiting connection plate 405 is provided with a plurality of connection holes, and the lock chain 501 can be selectively hinged with the connection holes through a pin shaft. In the utility model, the two limiting chains and the two side limiting pieces together form multi-point limiting, and the limiting points are uniformly distributed, so that the uniformity of stress of the carriage during bulldozing operation can be further ensured, and the service life of the carriage is prolonged. And meanwhile, two groups of limiting chains adopt adjusting screws, so that limiting points can be conveniently adjusted.
In this embodiment, a tension sensor (not shown in the figure) for detecting the bulldozing resistance of the carriage 4 is also built in the adjusting screw 503, and when the bulldozing resistance of the carriage 4 reaches a preset value, the tension sensor generates an early warning signal, and the early warning signal is fed back to the operator to stop the current bulldozing operation, thereby protecting the carriage from deformation and damage.
In this embodiment, the side stopper 401 is a side stopper plate. The side limiting plates are shaped like a bent shape similar to the cross-sectional shape of the carriage 4, and include an upper plate and a lower plate, the upper plate being in a vertical state when in contact with the frame side plate 101. The structure can form the largest contact area with the rear end of the side plate of the frame, and the limiting effect is better.
In this embodiment, a first side reinforcement bar 403 arranged horizontally is further disposed between the upper plate and the carriage 4 of the side limiting plate, and a second side reinforcement bar 404 arranged horizontally is further disposed between the lower plate and the carriage 4. The first side reinforcement ribs 403 and the second side reinforcement ribs 404 span from the upper side of the carriage side plate 402, and the side limiting plate is fixedly connected to the upper surface of the carriage, so that the strength of the side limiting plate can be further enhanced, and the side limiting plate is prevented from being broken when limiting.
As shown in fig. 3 and 4, an embodiment of a rotary tillage machine according to the present utility model includes a frame 1, a gearbox 8 is disposed at the top of the frame 1, a side plow 2 and a knife roller 3 are disposed at the bottom of the frame 1, a carriage 4 is disposed at the rear of the frame 1, the upper end of the carriage 4 is hinged to the frame 1 through a three-point latch, two sets of compression bars 7 are further disposed between the frame 1 and the carriage 4, a compression bar spring 701 is sleeved on each compression bar 7, and a limiting structure of the above embodiment is disposed on the carriage 4.
In this embodiment, the three-point type latch includes a first latch 6 inserted in the middle of a rotation shaft hole at the upper end of the carriage 4, a second latch 9 and a third latch 10 horizontally inserted in two ends of the rotation shaft hole, the first latch 6 is detachably connected with a connecting seat on the frame 1 through a connecting piece of the first latch, and the second latch 9 and the third latch 10 respectively pass through frame side plates 101 at two sides and are detachably connected with the frame side plates, so that the carriage 4 is rotatably fixed on the first latch 6, the second latch 9 and the third latch 10.
Working principle of rotary tillage machine:
the carriage 4 is rotatably fixed on the first bolt 6, the second bolt 9 and the third bolt 10, when the carriage 4 is in bulldozing operation, the upper end of the carriage 4 is fixed through the first bolt 6, the second bolt 9 and the third bolt 10, the side plate 101 of the frame and the side limiting piece 401 are in a contact limiting state, and meanwhile the limiting chain 5 is in a complete stretching tensioning state, and the carriage 4 is limited to swing towards the inner side of the frame continuously, so that the bulldozing operation can be completed smoothly and efficiently.
The above description is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the utility model are also considered to be within the scope of the utility model.
Claims (9)
1. A limit structure of a rotary cultivator carriage used for bulldozing is characterized in that the carriage (4) is arranged at the rear end of a rotary cultivator frame (1): the limiting structure comprises side limiting pieces (401) arranged on two sides of the carriage (4) and a limiting chain (5) arranged in the middle of the carriage (4) and used for connecting the carriage (4) with the frame (1), wherein the side limiting pieces (401) are arranged behind corresponding frame side plates (101) and can be contacted with the corresponding frame side plates to limit the carriage (4) to swing in the frame (1), and when the side limiting pieces (401) are contacted with the frame side plates (101), the limiting chain (5) is in a stretching tensioning state.
2. The limit structure for use in a rotary cultivator carriage as claimed in claim 1, wherein: the limiting chains (5) are arranged in two groups, and the two groups of limiting chains (5) are uniformly arranged in the middle of the carriage (4) at intervals.
3. The limit structure for use in a rotary cultivator carriage as claimed in claim 2, wherein: the limiting chain (5) comprises a chain (501), a first U-shaped connector (502), an adjusting screw (503) and a second U-shaped connector (504) which are sequentially connected from bottom to top, two side edges of the second U-shaped connector (504) are hinged with a first limiting connecting plate (102) arranged on the frame (1) through hinge shafts, and the lower end of the chain (501) is hinged with a second limiting connecting plate (405) arranged on the carriage (4) through a pin shaft.
4. The limit structure for use in a rotary cultivator carriage as claimed in claim 3, wherein: the adjusting screw rod (503) is also internally provided with a tension sensor for detecting the bulldozing resistance of the carriage (4), and when the bulldozing resistance of the carriage (4) reaches a preset value, the tension sensor generates an early warning signal.
5. The limit structure for use in a rotary cultivator carriage as claimed in claim 3, wherein: the second limit connecting plate (405) is provided with a plurality of connecting holes, and the chain (501) can be selectively hinged with the connecting holes through a pin shaft.
6. The limit structure for use in a rotary cultivator carriage as claimed in any one of claims 1 to 5, wherein: the side limiter (401) is a side limiter plate.
7. The spacing structure of the rotary cultivator carriage for bulldozing according to claim 6, wherein: the side limiting plate is bent similar to the cross section of the carriage (4), and comprises an upper plate and a lower plate, wherein the upper plate is in a vertical state when being in contact with the side plate (101) of the frame.
8. The spacing structure of the rotary cultivator carriage for bulldozing according to claim 7, wherein: a first side reinforcing rib (403) which is horizontally arranged is arranged between the upper plate and the carriage (4) of the side limiting plate, and a second side reinforcing rib (404) which is horizontally arranged is arranged between the lower plate and the carriage (4).
9. The utility model provides a rotary tillage machine, includes frame (1), and the top of frame (1) is equipped with gearbox (8), and the bottom of frame (1) is equipped with limit plow (2) and knife roll (3), and the rear of frame (1) is equipped with planker (4), the upper end of planker (4) pass through three-point type bolt articulated in on frame (1), still be equipped with two sets of depression bars (7) between frame (1) and planker (4), all overlap on each depression bar (7) and establish a depression bar spring (701), its characterized in that: the carriage (4) is provided with the limiting structure as set forth in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322232476.5U CN220383506U (en) | 2023-08-18 | 2023-08-18 | Limiting structure for rotary cultivator carriage used for bulldozing and rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322232476.5U CN220383506U (en) | 2023-08-18 | 2023-08-18 | Limiting structure for rotary cultivator carriage used for bulldozing and rotary cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220383506U true CN220383506U (en) | 2024-01-26 |
Family
ID=89606808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322232476.5U Active CN220383506U (en) | 2023-08-18 | 2023-08-18 | Limiting structure for rotary cultivator carriage used for bulldozing and rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220383506U (en) |
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2023
- 2023-08-18 CN CN202322232476.5U patent/CN220383506U/en active Active
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