CN220830650U - Slide-way type stepless amplitude-modulation hydraulic turnover plow - Google Patents
Slide-way type stepless amplitude-modulation hydraulic turnover plow Download PDFInfo
- Publication number
- CN220830650U CN220830650U CN202322369751.8U CN202322369751U CN220830650U CN 220830650 U CN220830650 U CN 220830650U CN 202322369751 U CN202322369751 U CN 202322369751U CN 220830650 U CN220830650 U CN 220830650U
- Authority
- CN
- China
- Prior art keywords
- plow
- oil cylinder
- frame
- seat
- rotationally connected
- 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
- 230000007306 turnover Effects 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 5
- 238000003971 tillage Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 45
- 230000000694 effects Effects 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model provides a slide-type stepless amplitude-modulated hydraulic turnover plow, which belongs to the technical field of turnover plows and comprises the following components: the device comprises a hanging frame, a main plow frame, a connecting frame, an adjusting mechanism, a turnover mechanism and a land wheel assembly; the suspension bracket is connected with the tractor; a plurality of plow bodies are arranged on the main plow frame; one end of the connecting frame is rotationally connected with the main plow frame; the adjusting mechanism comprises a rotating seat, a first oil cylinder, a connecting rod and a connecting seat, wherein the rotating seat and the connecting seat are arranged on the main plow frame, the first oil cylinder is rotationally connected with the other end of the connecting frame, the telescopic end of the first oil cylinder and one end of the connecting rod are respectively rotationally connected with two sides of the rotating seat, and the other end of the connecting rod is rotationally connected with the connecting seat; the position of the center point of the plow body and the center point of the suspension bracket are quickly adjusted through the adjusting mechanism, the position of the first ploughshare is changed, the phenomena of missing tillage and small tillage are avoided, and the angle of the main plow frame is adjusted through the adjusting mechanism, so that the problem that the land wheel is easy to interfere with the ground when the plow body is turned is solved.
Description
Technical Field
The utility model belongs to the technical field of turnover plows, and particularly relates to a slideway type stepless amplitude modulation hydraulic turnover plow.
Background
The turnover plow is a device matched with a tractor, and because double wheels are inconvenient to use when the tractor turns over on the shore and turns down, a single land wheel is used for assisting the movement of the plow body, and the working positions are alternately replaced by vertically turning over the forward and reverse plow bodies on the plow frame, so that the cultivation is performed on the shore and turns down the shore respectively.
In the prior art, the position of the suspension center of the plow body and the tractor after the plow body is turned over can deviate, if the plow body is not adjusted in time, the phenomenon of missing tillage and less tillage can occur easily, and when the plow body is turned over, the land wheel can interfere with the ground easily when doing vertical turning movement.
Disclosure of utility model
Based on the technical problems, the utility model provides the slide-type stepless amplitude-modulated hydraulic turnover plow, which can quickly adjust the positions of the center points of the plow body and the suspension bracket through the adjusting mechanism, change the position of the first ploughshare, avoid the phenomena of missing tillage and less tillage, and further solve the problem that the land wheel is easy to interfere with the ground when the plow body is turned through the adjusting mechanism by adjusting the angle of the main plow frame.
The specific technical scheme is as follows:
A slideway type stepless amplitude modulation hydraulic turnover plow, comprising: the device comprises a hanging frame, a main plow frame, a connecting frame, an adjusting mechanism, a turnover mechanism and a land wheel assembly; the suspension bracket is connected with the tractor; a plurality of plow bodies are arranged on the main plow frame; one end of the connecting frame is rotationally connected with the main plow frame; the adjusting mechanism comprises a rotating seat, a first oil cylinder, a connecting rod and a connecting seat, wherein the rotating seat and the connecting seat are arranged on the main plow frame, the first oil cylinder is rotationally connected with the other end of the connecting frame, the telescopic end of the first oil cylinder and one end of the connecting rod are respectively rotationally connected with two sides of the rotating seat, and the other end of the connecting rod is rotationally connected with the connecting seat; the adjusting mechanism comprises a slideway, a sliding block and a second oil cylinder, the sliding block is arranged on the connecting frame, the second oil cylinder is arranged on one side of the connecting frame, the telescopic end of the second oil cylinder is connected with the sliding block, and the sliding block is arranged on the slideway; one end of the turnover mechanism is connected with the suspension bracket, and the other end of the turnover mechanism is connected with the slideway; the land wheel assembly is arranged on one side of the connecting seat.
In addition, the slideway type stepless amplitude modulation hydraulic turnover plow in the technical scheme provided by the utility model can also have the following additional technical characteristics:
In the above technical scheme, the tilting mechanism includes: the overturning device comprises an overturning oil cylinder and an overturning seat; the overturning oil cylinder is rotationally connected with the suspension bracket; the both sides of upset seat are connected with mounted frame and slider respectively, and upset hydro-cylinder's flexible end is connected with upset seat rotation.
In the above technical solution, further includes: the first connecting part, the second connecting part and the buffer cylinder; one end of the first connecting part is connected with one side of the connecting seat, and the land wheel assembly is rotationally connected with the first connecting part; one end of the second connecting part is connected with the other end of the first connecting part; the buffer cylinder is rotationally connected with the second connecting portion, and the telescopic end of the buffer cylinder is rotationally connected with the first connecting portion.
In the above technical scheme, the land wheel assembly includes: the device comprises a rotating part, a thread block, a supporting part, a lifting ruler, a land wheel and a screw rod; the rotating part is rotationally connected with the first connecting part; the thread block is connected with one end of the rotating part, and a threaded hole is formed in the thread block; the supporting part is connected with the rotating part and is positioned at one side of the threaded block; at least part of the lifting ruler is embedded into the supporting part; the land wheel is arranged at the bottom of the lifting ruler; the outer wall of the screw rod is provided with external threads, and one end of the screw rod sequentially penetrates through the lifting ruler and the thread blocks.
In the above technical solution, further includes: a hydraulic overload prevention system; the hydraulic overload prevention system comprises a damping oil cylinder and a pressure maintaining oil tank, wherein the damping oil cylinder is arranged on the plow body and is communicated with the pressure maintaining oil tank.
In the technical scheme, the distance between two adjacent plow bodies is 1200mm; the clearance between the plow body and the ground is 1820mm.
Compared with the prior art, the slide-type stepless amplitude-modulation hydraulic turnover plow has the beneficial effects that:
1. After the turnover mechanism turns over the main plow frame, the second oil cylinder stretches out and draws back to drive the sliding block to slide along the slideway, so that the connecting frame and the main plow frame are controlled to move left and right, the effect of quickly adjusting the positions of the plow body and the center point of the suspension bracket is realized, the position of a first ploughshare is changed, the phenomena of missing tillage and less tillage are avoided, and the requirements of flexibly switching on-shore operation and under-shore operation are further met.
2. When the turnover mechanism turns over the main plow frame, the first oil cylinder stretches out and draws back to adjust the angle of the main plow frame to avoid ground wheel assembly and ground interference to lead to sliding ground when turning over, and carry out auxiliary stay to the main plow frame through the connecting rod, and then promoted the stability of main plow frame.
Drawings
FIG. 1 is a front view of a slide-type electrodeless amplitude-modulated hydraulic turnover plow of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of the turnover mechanism of the present utility model;
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
The hydraulic lifting device comprises a 10 suspension bracket, a 11 main plow frame, a 12 connecting frame, a 13 plow body, a 14 rotating seat, a 15 first oil cylinder, a 16 connecting rod, a 17 connecting seat, a 18 slideway, a 19 sliding block, a 20 second oil cylinder, a 21 overturning oil cylinder, a 22 overturning seat, a 23 first connecting part, a 24 second connecting part, a 25 buffering air cylinder, a 26 rotating part, a 27 thread block, a 28 supporting part, a 29 lifting ruler, a 30 ground wheel, a 31 lead screw, a 32 damping oil cylinder and a 33 pressure maintaining oil tank.
Detailed Description
The utility model will be further described with reference to specific embodiments and figures 1-3, but the utility model is not limited to these embodiments.
A slideway type stepless amplitude modulation hydraulic turnover plow, as shown in fig. 1-3, comprising: the device comprises a hanging frame 10, a main plow frame 11, a connecting frame 12, an adjusting mechanism, a turnover mechanism and a land wheel assembly; the suspension bracket 10 is connected with a tractor; a plurality of plow bodies 13 are arranged on the main plow frame 11; one end of the connecting frame 12 is rotationally connected with the main plow frame 11; the adjusting mechanism comprises a rotating seat 14, a first oil cylinder 15, a connecting rod 16 and a connecting seat 17, wherein the rotating seat 14 and the connecting seat 17 are arranged on the main plow frame 11, the first oil cylinder 15 is rotationally connected with the other end of the connecting frame 12, the telescopic end of the first oil cylinder 15 and one end of the connecting rod 16 are respectively rotationally connected with two sides of the rotating seat 14, and the other end of the connecting rod 16 is rotationally connected with the connecting seat 17; the adjusting mechanism comprises a slide way 18, a slide block 19 and a second oil cylinder 20, wherein the slide block 19 is arranged on the connecting frame 12, the second oil cylinder 20 is arranged on one side of the connecting frame 12, the telescopic end of the second oil cylinder 20 is connected with the slide block 19, and the slide block 19 is arranged on the slide way 18; one end of the turnover mechanism is connected with the suspension bracket 10, and the other end of the turnover mechanism is connected with the slideway 18; the ground wheel assembly is provided at one side of the connection seat 17.
The hanging frame 10 is connected with a tractor, a plurality of plow bodies 13 are arranged on the main plow frame 11, and one end of the connecting frame 12 is rotationally connected with the main plow frame 11, so that the effect that the main plow frame 11 is connected with the tractor through the hanging frame 10 is realized; thirdly, through the fact that the adjusting mechanism comprises a rotating seat 14, a first oil cylinder 15, a connecting rod 16 and a connecting seat 17, the rotating seat 14 and the connecting seat 17 are arranged on the main plow frame 11, the first oil cylinder 15 is rotationally connected with the other end of the connecting frame 12, the telescopic end of the first oil cylinder 15 and one end of the connecting rod 16 are rotationally connected with two sides of the rotating seat 14 respectively, and the other end of the connecting rod 16 is rotationally connected with the connecting seat 17, the effect that when a follow-up turnover mechanism turns over the main plow frame 11, the angle of the main plow frame 11 is adjusted through the telescopic adjustment of the first oil cylinder 15, the main plow frame 11 is supported in an auxiliary mode through the connecting rod 16, and the stability of the main plow frame 11 is improved is achieved; thirdly, by arranging the adjusting mechanism comprising a slide way 18, a slide block 19 and a second oil cylinder 20, wherein the slide block 19 is arranged on the connecting frame 12, the second oil cylinder 20 is arranged on one side of the connecting frame 12, the telescopic end of the second oil cylinder 20 is connected with the slide block 19, and the slide block 19 is arranged on the slide way 18, so that the second oil cylinder 20 stretches and drives the slide block 19 to slide along the slide way 18, the connecting frame 12 and the main plow frame 11 are controlled to move left and right, the effect of quickly adjusting the positions of the plow body 13 and the central point of the suspension frame 10 is realized, and the structural stability of the plow body 13 during cultivation is ensured; thirdly, one end of the turnover mechanism is connected with the suspension frame 10, and the other end of the turnover mechanism is connected with the slide way 18, so that the turnover mechanism can control the main plow frame 11 and the plow body 13 to turn over through the slide way 18; again, by locating the wheel assembly on one side of the connection block 17, the effect of the wheel assembly assisting the movement of the main plow frame 11 is achieved. By adopting the structure, after the main plow frame 11 is overturned by the overturning mechanism, the second oil cylinder 20 stretches and contracts to drive the sliding block 19 to slide along the slideway 18, so that the connecting frame 12 and the main plow frame 11 are controlled to move left and right, the effect of quickly adjusting the positions of the plow body 13 and the center point of the suspension frame 10 is realized, the position of a first plow is changed, the phenomena of missing and less plowing are avoided, and the requirements of flexibly switching on-shore operation and under-shore operation are further met; and when tilting mechanism upset main plow frame 11, the angle of main plow frame 11 is adjusted in the flexible of first hydro-cylinder 15 to avoid ground wheel subassembly and ground interference when the upset to lead to the smooth ground, and carry out auxiliary stay to main plow frame 11 through connecting rod 16, and then promoted the stability of main plow frame 11.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the tilting mechanism includes: a turnover cylinder 21 and a turnover seat 22; the overturning oil cylinder 21 is rotationally connected with the suspension bracket 10; the two sides of the turnover seat 22 are respectively connected with the suspension bracket 10 and the sliding block 19, and the telescopic end of the turnover cylinder 21 is rotatably connected with the turnover seat 22.
The turning cylinder 21 operates to drive the turning seat 22 to turn over, so as to drive the slide block 19, the main plow frame 11 and the plow body 13 to turn over, realize the alternate replacement of the working positions, and further respectively turn over the land and the under land.
Specifically, the overturning seat 22 is an eccentric wheel, so that the overturning cylinder 21 can conveniently drive the overturning seat 22 to overturn.
In an embodiment of the present utility model, as shown in fig. 1 to 3, further comprising: a first connection portion 23, a second connection portion 24, and a buffer cylinder 25; one end of the first connecting part 23 is connected with one side of the connecting seat 17, and the ground wheel assembly is rotationally connected with the first connecting part 23; one end of the second connecting portion 24 is connected to the other end of the first connecting portion 23; the buffer cylinder 25 is rotatably connected with the second connecting portion 24, and the telescopic end of the buffer cylinder 25 is rotatably connected with the first connecting portion 23.
When the overturning operation is carried out, because the gravity of the dead weight of the land wheel assembly is large, large impact force can be generated when the land wheel assembly is overturned, and the impact force of the land wheel assembly is reduced by buffering the land wheel assembly through the buffer cylinder 25.
Specifically, the buffer air cylinder 25 is matched with self gravity generated by the dead weight of the land wheel assembly, so that the buffer effect on the land wheel assembly is realized, the land wheel assembly is light, and the power of the tractor is further saved.
In an embodiment of the present utility model, as shown in fig. 1-3, a land wheel assembly includes: a rotating part 26, a thread block 27, a supporting part 28, a lifting ruler 29, a land wheel 30 and a screw 31; the rotating part 26 is rotatably connected with the first connecting part 23; the thread block 27 is connected with one end of the rotating part 26, and a threaded hole is arranged in the thread block 27; the supporting part 28 is connected with the rotating part 26, and the supporting part 28 is positioned at one side of the thread block 27; at least part of the lifting ruler 29 is embedded in the supporting part 28; the land wheel 30 is arranged at the bottom of the lifting ruler 29; the outer wall of the screw 31 is provided with an external thread, and one end of the screw 31 sequentially passes through the elevating rule 29 and the thread block 27.
By rotating the screw rod 31, the screw rod 31 is matched with the screw thread block 27, so that the screw rod 31 moves up and down along the screw thread block 27, and the lifting ruler 29 is driven to move up and down when the screw rod 31 moves, and the effect of adjusting the height position of the land wheel 30 is achieved.
In an embodiment of the present utility model, as shown in fig. 1 to 3, further comprising: a hydraulic overload prevention system; the hydraulic overload prevention system comprises a damping oil cylinder 32 and a pressure maintaining oil tank 33, wherein the damping oil cylinder 32 is arranged on the plow body 13, and the damping oil cylinder 32 is communicated with the pressure maintaining oil tank 33.
When the severe ground conditions such as a plurality of stone lands, barren lands and the like are treated, the shock-absorbing oil cylinder 32 protects the plow body 13, so that the plow body 13 is prevented from being damaged and is reset rapidly when encountering an obstacle which cannot pass through.
Specifically, the pressure maintaining oil tank 33 supplies the hydraulic oil to the shock absorber oil cylinder 32.
In the embodiment of the utility model, the distance between two adjacent plow bodies 13 is 1200mm; the clearance between the plow body 13 and the ground is 1820mm.
Through setting up bigger plow body 13 interval for 1200mm and higher ground clearance 1820mm to realize when turning over the operation, guarantee the good trafficability characteristic of ground's straw, and then play the effect of avoiding the jam.
Specifically, the plow body 13 is installed on the main plow frame 11 through a mounting frame, and amplitude modulation holes are arranged on the mounting frame so as to adjust the width of the plow body 13 according to requirements.
The implementation process comprises the following steps: after the turnover mechanism turns over the main plow frame 11, the second oil cylinder 20 stretches and contracts to drive the sliding block 19 to slide along the slideway 18, so that the connecting frame 12 and the main plow frame 11 are controlled to move left and right, the effect of quickly adjusting the positions of the plow body 13 and the center point of the suspension frame 10 is realized, the position of a first ploughshare is changed, the phenomena of missing tillage and less tillage are avoided, and the requirements of flexibly switching on-shore operation and under-shore operation are further met; when the turnover mechanism turns over the main plow frame 11, the first oil cylinder 15 stretches and contracts to adjust the angle of the main plow frame 11, so that the ground wheel assembly is prevented from interfering with the ground to cause sliding ground during turning, the main plow frame 11 is supported in an auxiliary mode through the connecting rod 16, and then the stability of the main plow frame 11 is improved.
In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A slideway type stepless amplitude modulation hydraulic turnover plow which is characterized by comprising:
The suspension bracket is connected with the tractor;
The main plow frame is provided with a plurality of plow bodies;
The connecting frame is rotatably connected with the main plow frame at one end;
The adjusting mechanism comprises a rotating seat, a first oil cylinder, a connecting rod and a connecting seat, wherein the rotating seat and the connecting seat are both arranged on the main plow frame, the first oil cylinder is rotationally connected with the other end of the connecting frame, the telescopic end of the first oil cylinder and one end of the connecting rod are respectively rotationally connected with two sides of the rotating seat, and the other end of the connecting rod is rotationally connected with the connecting seat;
The adjusting mechanism comprises a slideway, a sliding block and a second oil cylinder, wherein the sliding block is arranged on the connecting frame, the second oil cylinder is arranged on one side of the connecting frame, the telescopic end of the second oil cylinder is connected with the sliding block, and the sliding block is arranged on the slideway;
one end of the turnover mechanism is connected with the suspension bracket, and the other end of the turnover mechanism is connected with the slideway;
the land wheel assembly is arranged on one side of the connecting seat.
2. The slide-type electrodeless amplitude modulation hydraulic turnover plow as defined in claim 1, wherein said turnover mechanism comprises:
The overturning oil cylinder is rotationally connected with the suspension bracket;
The overturning seat is characterized in that two sides of the overturning seat are respectively connected with the suspension bracket and the sliding block, and the telescopic end of the overturning oil cylinder is rotationally connected with the overturning seat.
3. The slide-type electrodeless amplitude modulation hydraulic turnover plow of claim 2, further comprising:
One end of the first connecting part is connected with one side of the connecting seat, and the land wheel assembly is rotationally connected with the first connecting part;
One end of the second connecting part is connected with the other end of the first connecting part;
The buffer cylinder is rotationally connected with the second connecting portion, and the telescopic end of the buffer cylinder is rotationally connected with the first connecting portion.
4. A skid-mounted electrodeless amplitude modulation hydraulic flip plow as claimed in claim 3, wherein said land wheel assembly comprises:
the rotating part is rotationally connected with the first connecting part;
The thread block is connected with one end of the rotating part, and a threaded hole is formed in the thread block;
The supporting part is connected with the rotating part and is positioned at one side of the threaded block;
the lifting ruler is at least partially embedded into the supporting part;
the land wheel is arranged at the bottom of the lifting ruler;
The outer wall of the screw rod is provided with external threads, and one end of the screw rod sequentially penetrates through the lifting ruler and the thread block.
5. The slide-type electrodeless amplitude modulation hydraulic turnover plow of claim 4, further comprising:
The hydraulic overload prevention system comprises a damping oil cylinder and a pressure maintaining oil tank, wherein the damping oil cylinder is arranged on the plow body, and the damping oil cylinder is communicated with the pressure maintaining oil tank.
6. The slide-type electrodeless amplitude modulation hydraulic turnover plow as defined in claim 5, wherein the distance between plow bodies is 1200mm; the clearance between the plow body and the ground is 1820mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369751.8U CN220830650U (en) | 2023-09-01 | 2023-09-01 | Slide-way type stepless amplitude-modulation hydraulic turnover plow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369751.8U CN220830650U (en) | 2023-09-01 | 2023-09-01 | Slide-way type stepless amplitude-modulation hydraulic turnover plow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830650U true CN220830650U (en) | 2024-04-26 |
Family
ID=90780635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322369751.8U Active CN220830650U (en) | 2023-09-01 | 2023-09-01 | Slide-way type stepless amplitude-modulation hydraulic turnover plow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830650U (en) |
-
2023
- 2023-09-01 CN CN202322369751.8U patent/CN220830650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2695708A1 (en) | Extendable frame work vehicle | |
| US5335856A (en) | Air boom sprayer trailer hitch and suspension | |
| CN104872102A (en) | Spraying machine | |
| CN108834445B (en) | Profiling supporting roller type paddy field laser land leveller | |
| US4344572A (en) | Positioning apparatus for boom structures | |
| US8708431B2 (en) | Arrangement for controlling a track tension wheel of tracked vehicle | |
| CN220830650U (en) | Slide-way type stepless amplitude-modulation hydraulic turnover plow | |
| CN112049163B (en) | Excavator dozer blade capable of automatically cleaning dirt | |
| CN207573866U (en) | A kind of agricultural self propelled chassis suspension mechanism | |
| CN108901211B (en) | Suspension type laser land leveler for dry land and land leveling method | |
| CN107864709A (en) | A kind of agricultural self propelled chassis hitch | |
| US6497086B2 (en) | Rotary cutting desk corner suspension | |
| CN109606483A (en) | It is a kind of to keep horizontal tractor cab | |
| CN213676932U (en) | Intelligent chassis attitude leveling system | |
| CN114145283A (en) | Spray rod adjusting mechanism and cross-row type spray rod spraying machine comprising same | |
| CN209621344U (en) | A kind of airborne forestope mechanism and backhoe loader | |
| JP5789159B2 (en) | Reversible bottom plow working machine | |
| CN220693645U (en) | Buffer depth-limiting wheel for turnover plow | |
| US3818618A (en) | Linkage for ground positioning of an earth scraper elevator | |
| US4252198A (en) | Ground levelling attachment for tractors | |
| CN111547146A (en) | Crawler belt specific pressure self-adaptive mechanism | |
| CN111010892A (en) | Semi-suspension intelligent turnover plow with damping wheels | |
| CN217116838U (en) | Supplementary flat rut device in multi-functional type of compromise paddy field | |
| CN220140081U (en) | Turning lifting device for deep ploughing, crushing and scarifier | |
| CN218302093U (en) | Hydraulic turnover plow ploughshare |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |