CN115088481A - Support movable variable-diameter threshing cylinder with amplitude disc and combine harvester - Google Patents
Support movable variable-diameter threshing cylinder with amplitude disc and combine harvester Download PDFInfo
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- CN115088481A CN115088481A CN202210789501.7A CN202210789501A CN115088481A CN 115088481 A CN115088481 A CN 115088481A CN 202210789501 A CN202210789501 A CN 202210789501A CN 115088481 A CN115088481 A CN 115088481A
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 15
- 230000001360 synchronised effect Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/22—Threshing cylinders with teeth
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/181—Adjustable threshing mechanisms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/185—Mounting means
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a width-supporting disc movable variable-diameter threshing cylinder and a combine harvester. A sliding sleeve is sleeved on a main shaft of the threshing cylinder, a movable adjusting mechanism of a supporting amplitude disc is positioned in a separation area and fixed on the sliding sleeve and comprises a movable supporting amplitude disc and a diameter adjusting sliding rail arranged on the movable supporting amplitude disc, and a sliding groove limiting mechanism is circumferentially and uniformly fixed on a front side fixed supporting amplitude disc; the fixed threshing toothed bar is arranged in the separation area and supported by a slide block connecting rod sleeved on the diameter adjusting slide rail, and the telescopic threshing toothed bar is arranged in the impurity removing area; the stepless regulation of the threshing gap separated from the separation area is realized through the axial movement of the movable supporting breadth disk. The invention can realize the independent adjustment of the threshing clearance of the threshing separation section and the synchronous precision of the adjustment while the diameter of the roller can be adjusted in a stepless way, and ensures the running stability of the threshing roller.
Description
Technical Field
The invention relates to a grain threshing and separating device on a combine harvester, in particular to a supporting amplitude disc movable type diameter-variable threshing cylinder structure.
Background
The combined harvester develops towards large-scale and intelligent automation, the structural overall dimension of the combined harvester is continuously increased, and the working parameters need to be adjustable. The threshing device is one of the main core components of the combine harvester, and the threshing gap is one of the main factors influencing the threshing performance. There are two ways to change the threshing gap, one is to change the position of the concave sieve, and the other is to change the diameter of the threshing cylinder. The diameter of the existing variable-diameter threshing cylinder is adjusted by installing diameter adjusting mechanisms on the supporting amplitude discs at two sides, for example, the invention patent with the publication number of CN112189455A, the guide rail pushing discs at two sides are driven to axially move back and forth through a hydraulic transmission device, so that a bolt moves along a guide rail, thereby driving a rack bar connecting rod to move up and down, and realizing the purpose of adjusting the diameter of the threshing cylinder during working. The adjusting mode requires that adjusting mechanisms on two sides must be synchronously carried out, otherwise, the threshing device and the combine harvester are easily damaged, so that the requirement on the synchronous precision of the device is high, and the stability of the threshing cylinder is poor when the diameter is adjusted.
Disclosure of Invention
The invention provides a diameter-variable threshing cylinder with a movable supporting amplitude disc, which can realize the synchronous adjustment of a plurality of threshing toothed bars by the axial movement of the supporting amplitude disc and a plurality of diameter-adjusting sliding rails fixed on the supporting amplitude disc, thereby achieving the purpose of synchronously adjusting the diameter of the threshing cylinder and overcoming the problem of high requirement on the synchronous accuracy of the existing diameter-variable threshing cylinder. In the adjusting process, each movable adjusting mechanism of the supporting breadth disc can support the threshing toothed bar, so that the stability of the device is ensured. Meanwhile, in the threshing cylinder, according to the functions of different parts in the threshing process, the diameter of the separating section is only regulated, so that the accuracy of diameter regulation is further improved, and the comprehensive performance of the threshing cylinder is improved.
The present invention achieves the above-described object by the following means.
The utility model provides a support portable variable diameter threshing cylinder of width of cloth dish which characterized in that: comprises a threshing cylinder, a chute limiting mechanism, a movable adjusting mechanism for supporting a breadth disc and a transmission device;
the threshing cylinder comprises a fixed threshing toothed bar, a telescopic threshing toothed bar, a cylinder main shaft, a sliding shaft sleeve sleeved on the cylinder main shaft, a feeding wheel arranged on the cylinder main shaft, a front side fixed supporting amplitude disc and a rear side fixed supporting amplitude disc, wherein an axial guide rail sliding key is arranged on the cylinder main shaft, and the guide rail sliding key is matched with sliding grooves at two ends of the sliding shaft sleeve in a sliding manner;
the sliding groove limiting mechanism is arranged on the front side fixed support amplitude disc and comprises a limiting sliding groove, a connecting rod and a pin shaft, limiting holes are formed in two sides of the limiting sliding groove, a central hole matched with the connecting rod is formed in the connecting rod, the pin shaft penetrates through the limiting holes of the limiting sliding groove and the central hole in the connecting rod, and the connecting rod is controlled to move only in the radial direction along the limiting sliding groove;
the movable adjusting mechanism of the supporting amplitude disc comprises a movable supporting amplitude disc, a diameter adjusting slide rail fixed on one side of the movable supporting amplitude disc and a slide block connecting rod sleeved on the diameter adjusting slide rail; the movable supporting breadth disc (fixed on the sliding shaft sleeve, and the included angle between the diameter adjusting slide rail and the movable supporting breadth disc is an acute angle or an obtuse angle;
the telescopic transmission device is sleeved on the roller main shaft, one end of the telescopic transmission device is fixed on the rear side fixed supporting amplitude disc, and the other end of the telescopic transmission device is fixedly connected with the sliding shaft sleeve.
Furthermore, the connection mode of the telescopic end of the telescopic transmission device and one end of the sliding shaft sleeve is flange connection.
Furthermore, the diameter adjusting slide rail is fixed on the movable supporting amplitude disc through bolts and nuts.
Furthermore, the telescopic threshing toothed bar is of a two-section embedded telescopic structure, and single axial sliding is realized by a limiting hole and a pin shaft.
Furthermore, the telescopic threshing toothed bar is directly fixed on the movable supporting amplitude disc or is fixed on the movable supporting amplitude disc through a radial extension plate.
Furthermore, the cross sections of the front ends of the connecting rod and the sliding block connecting rod are concave; the threshing toothed bar is clamped by grooves at the front ends of the connecting rod and the sliding block connecting rod and is fixedly connected with the threshing toothed bar through bolts and nuts.
Furthermore, the other side of the movable supporting amplitude disc at the last side is provided with a lengthening plate fixedly connected with the front end of the telescopic threshing toothed bar.
Further, the telescopic amount of the telescopic transmission device is 25 mm; the diameter adjusting range of the threshing cylinder is 0-25 mm. The expansion amount of the expansion transmission device and the diameter adjusting range of the threshing cylinder can be set according to actual requirements.
Further, the telescopic transmission device is any one of a hydraulic cylinder, an electric cylinder and a pneumatic cylinder.
A combine harvester is characterized in that the combine harvester is provided with the movable variable-diameter threshing cylinder with the supporting breadth disc.
The invention relates to a supporting amplitude disc movable variable-diameter threshing cylinder, wherein a chute limiting mechanism, a sliding shaft sleeve, a supporting amplitude disc movable adjusting mechanism and a hollow hydraulic cylinder are driven by a cylinder main shaft to rotate along with the threshing cylinder in the threshing process.
The beneficial effects of the invention are:
1. in the invention, the movable adjusting mechanism of the supporting breadth discs is fixed on the sliding shaft sleeve and synchronously and axially moves along with the shaft sleeve, and the movement of the sliding block connecting rod driven by the diameter adjusting sliding rail on each supporting breadth disc is synchronous and same in breadth, thereby realizing the accurate and synchronous adjustment of the threshing toothed bar and ensuring that the device has high synchronous precision. Meanwhile, in the adjusting process, the plurality of movable adjusting mechanisms for supporting the breadth discs still support the threshing rack bar, so that the stability of the threshing cylinder in the diameter adjusting process is ensured.
2. When the combine harvester works, the threshing clearance of the threshing separation area of the threshing device influences the threshing separation performance of the threshing device, and the threshing clearance of the impurity removing area does not need to be adjusted. The fixed threshing toothed bar is arranged in the threshing separation section, the length of the fixed threshing toothed bar is consistent with the length of a threshing separation area, and only the fixed threshing toothed bar can move in the radial direction; telescopic threshing rack bar dress can adapt to the normal operating that supports the portable adjustment mechanism of width of cloth dish on the one hand in the region of arranging miscellaneous, and on the other hand has still realized threshing separation region and has threshed the independent control in clearance, does not influence the purpose of arranging miscellaneous regional cylinder diameter, has reached accurate regulation and control.
3. The diameter of the supporting amplitude disc movable variable diameter threshing cylinder can be adjusted in a stepless manner in real time according to different operation actual conditions when the combine harvester operates, and the working efficiency and the working quality of the combine harvester are greatly improved.
4. In the invention, the number and the installation position of the movable adjusting mechanisms of the supporting breadth discs can be set according to the strength requirement of the threshing cylinder without any limitation, thereby greatly improving the strength of the diameter-variable threshing cylinder and the reliability of the diameter-variable threshing cylinder, and being particularly suitable for large-scale combine harvesters.
5. According to the invention, each part of the threshing cylinder is divided in a modularized way, and the connection relation among all the parts is in detachable connection, so that each part of the threshing cylinder can be designed, produced, transported, maintained and replaced independently, the assembling and disassembling mode is simple and easy to operate, the assembling and disassembling time is short, and the production cost and the use cost of each part are greatly saved.
Drawings
Fig. 1 is a schematic structural view of a supporting-width-disk moving type variable-diameter threshing cylinder.
Fig. 2 is a schematic structural view of the telescopic rack bar.
Fig. 3 is a schematic structural diagram of the sliding groove limiting mechanism installed on the inner side of the front side fixed supporting breadth plate.
Fig. 4 is a schematic structural diagram of the movable adjusting mechanism for supporting the breadth disc fixed on the sliding shaft sleeve.
The reference numbers are as follows:
101. a feed wheel; 102. the front side is fixedly provided with a supporting breadth disc; 103. a guide rail sliding key; 104. a fixed threshing toothed bar; 105. a telescopic threshing toothed bar; 106. the rear side is fixedly provided with a supporting amplitude disc; 107. a drum main shaft; 201. a limiting chute; 202. a connecting rod; 203. a pin shaft; 3. a sliding shaft sleeve; 401. a movable supporting breadth disc; 402. a diameter adjusting slide rail; 403. a slider connecting rod; 5. a hollow hydraulic cylinder.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, without limiting the scope of the invention thereto.
As shown in fig. 1 and 2, the width-supporting disk movable variable-diameter threshing cylinder of the present invention comprises a threshing cylinder, a chute-limiting mechanism, a width-supporting disk movable adjusting mechanism and a hollow hydraulic cylinder 5, wherein the chute-limiting mechanism, the width-supporting disk movable adjusting mechanism and the hollow hydraulic cylinder 5 are all located inside the threshing cylinder. The hollow hydraulic cylinder 5 is used as a telescopic transmission device for supporting the amplitude disc movable adjusting mechanism in the embodiment.
The threshing cylinder comprises a fixed threshing toothed bar 104, a telescopic threshing toothed bar 105, a cylinder main shaft 107 and a sliding shaft sleeve 3 sleeved on the cylinder main shaft 107, a feeding wheel 101, a front side fixed supporting amplitude disc 102 and a rear side fixed supporting amplitude disc 106 are sequentially arranged on the cylinder main shaft 107 along the feeding direction of crops, an axial guide rail sliding key 103 is arranged on the cylinder main shaft 107, and the guide rail sliding key 103 is matched with a sliding groove in the sliding shaft sleeve 3 in a sliding mode. The front side fixed supporting amplitude disc 102 is connected with a roller main shaft 107 through bolts and nuts, the feeding wheel 101 is connected with the front side fixed supporting amplitude disc 102 through bolts and nuts, and the rear side fixed supporting amplitude disc 106 and the guide rail sliding key 103 are welded on the roller main shaft 107.
The chute limiting mechanism is installed on the fixed supporting breadth plate 102 at the front side of the threshing cylinder, and as shown in fig. 3, the chute limiting mechanism comprises a limiting chute 201, a connecting rod 202 and a pin 203. The limiting sliding grooves 201 are circumferentially and uniformly distributed and fixed on the front side fixed supporting breadth disc 102 through bolts and nuts; the connecting rod 202 penetrates through the limiting sliding groove 201 to be matched with the limiting sliding groove in a sliding mode; the pin 203 penetrates through a limiting hole of the limiting sliding groove 201 and a central hole of the connecting rod matching pin 203 to limit the sliding position of the connecting rod 202 along the limiting sliding groove 201. The section of the front end of the connecting rod 201 is concave; the threshing toothed bar is clamped by a groove at the front end of the connecting rod 202 and is fixedly connected with the threshing toothed bar through a bolt and a nut.
The threshing gap of the threshing separation area of the threshing device influences the threshing separation performance of the threshing device, and the threshing gap of the impurity removing area does not need to be adjusted. Taking this as a starting point, the present invention divides an original threshing toothed bar into a two-stage structure of a fixed threshing toothed bar and a telescopic threshing toothed bar, as shown in fig. 1. The fixed threshing toothed bar is arranged at the threshing separation section, the length of the fixed threshing toothed bar is consistent with the length of a threshing separation area, and only the fixed threshing toothed bar can move in the radial direction; telescopic threshing rack bar dress can adapt to the normal operating that supports the portable adjustment mechanism of width of cloth dish on the one hand in the region of arranging miscellaneous, and on the other hand has still realized threshing separation region and has threshed the independent control in clearance, does not influence the purpose of arranging miscellaneous regional cylinder diameter, has reached accurate regulation and control.
The supporting amplitude disc movable adjusting mechanism is fixed on the sliding shaft sleeve 3, the hollow hydraulic cylinder 5 is sleeved on the roller spindle 107, the fixed end is fixedly connected with the rear side fixed supporting amplitude disc 106, and the end of the telescopic piston rod is connected with the sliding shaft sleeve 3 through a flange.
As shown in fig. 1 and 4, the supporting web disc moving type adjusting mechanism includes a plurality of moving type supporting web discs 401, a diameter adjusting slide rail 402, and a slider link 403 slidably matched with the diameter adjusting slide rail 402. The supporting amplitude disc movable adjusting mechanism is positioned in a threshing separation area of the threshing device, and the number and the position of the supporting amplitude disc movable adjusting mechanism are set according to the strength requirement of the diameter-variable threshing cylinder. A plurality of movable supporting breadth discs 401 are evenly distributed and welded on the sliding shaft sleeve 3. The front end of the fixed threshing toothed bar 104 is fixedly connected with a connecting rod 202 of the front side fixed supporting breadth disc 102; the rear end is fixedly connected with a slider connecting rod 403 of the last side movable supporting breadth plate 401. A plurality of diameter adjusting slide rails 402 are respectively fixed on each movable supporting breadth plate 401, and the distribution positions of the diameter adjusting slide rails 402 correspond to the distribution positions of the fixed threshing teeth bars 104. One end of a sliding block connecting rod 403 is sleeved on the diameter adjusting slide rail 402, the section of the other end of the sliding block connecting rod 403 is concave, and the fixed threshing toothed bar 104 is accommodated in the concave groove and is fixedly connected with the concave groove through bolts and nuts.
The retractable threshing toothed bar 105 is of a two-section embedded retractable structure as shown in fig. 2, and single axial sliding is realized by a limiting hole and a pin shaft. The front end of the telescopic threshing toothed bar 105 is fixedly connected with an extension plate on the movable supporting amplitude disc 401 at the last side, the rear end of the telescopic threshing toothed bar is fixedly connected with the fixed supporting amplitude disc 106 at the rear side through bolts and nuts, and the extension plate is fixed on the movable supporting amplitude disc 401 at the last side through bolts and nuts.
The telescopic piston rod of the hollow hydraulic cylinder 5 has a telescopic amount of 25mm, the axial displacement of the driving sliding shaft sleeve 3 is 25mm, and the telescopic amount of the telescopic threshing toothed bar 105 is 25 mm; the diameter adjusting range of the threshing cylinder is 0-25 mm.
When the diameter of the threshing cylinder needs to be adjusted, the telescopic rod of the hollow hydraulic cylinder 5 stretches axially to drive the sliding shaft sleeve 3 to move axially back and forth, so that the amplitude support disc movable adjusting mechanism is driven to move axially back and forth, the telescopic threshing toothed bar 105 is driven to move axially back and forth, the fixed threshing toothed bar 104 cannot move axially back and forth by the chute limiting mechanism, and the sliding block connecting rod 403 is driven to move up and down along the diameter adjusting sliding rail 402 in the radial direction, so that the fixed threshing toothed bar 104 is driven to move up and down in the radial direction, and the diameter of the cylinder in a threshing and separating area of the threshing cylinder is changed. The operation of all the movable adjusting mechanisms of the supporting breadth disc is synchronous, so that the problem of synchronous precision is not required to be considered.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a support portable variable diameter threshing cylinder of width of cloth dish which characterized in that: comprises a threshing cylinder, a chute limiting mechanism, a supporting amplitude disc movable adjusting mechanism and a transmission device;
the threshing cylinder comprises a fixed threshing toothed bar (104), a telescopic threshing toothed bar (105), a cylinder main shaft (107), a sliding shaft sleeve (3) sleeved on the cylinder main shaft (107), a feeding wheel (101) arranged on the cylinder main shaft (107), a front side fixed supporting amplitude disc (102) and a rear side fixed supporting amplitude disc (106), wherein an axial guide rail sliding key (103) is arranged on the cylinder main shaft (107), and the guide rail sliding key (103) is matched with sliding grooves at two ends of the sliding shaft sleeve (3) in a sliding manner;
the sliding groove limiting mechanism is arranged on the front side fixed supporting amplitude disc (102) and comprises a limiting sliding groove (201), a connecting rod (202) and a pin shaft (203), limiting holes are formed in two sides of the limiting sliding groove (201), a central hole matched with the connecting rod (202) is formed in the connecting rod (202), the pin shaft (203) penetrates through the limiting holes in the limiting sliding groove (201) and the central hole in the connecting rod (202), and the connecting rod (202) is controlled to move only in the radial direction along the limiting sliding groove (201);
the supporting amplitude disc movable adjusting mechanism comprises a movable supporting amplitude disc (401), a diameter adjusting slide rail (402) fixed on one side of the movable supporting amplitude disc (401), and a slide block connecting rod (403) sleeved on the diameter adjusting slide rail (402); the movable amplitude support disc (401) is fixed on the sliding shaft sleeve (3), and an included angle between the diameter adjusting sliding rail (402) and the movable amplitude support disc (401) is an acute angle or an obtuse angle; the free end of the slide block connecting rod (403) is fixedly connected with the fixed threshing toothed bar (104), and the front end of the fixed threshing toothed bar (104) is fixedly connected with the connecting rod (202) of the front side fixed supporting breadth disc (102); the rear end is fixedly connected with a slide block connecting rod (403) which is arranged on the rearmost side movable supporting breadth disc (401); the telescopic threshing toothed bar (105) is fixed between the movable supporting amplitude disc (401) close to the rear side fixed supporting amplitude disc (106) and the rear side fixed supporting amplitude disc (106);
the telescopic transmission device is sleeved on the roller main shaft (107), one end of the telescopic transmission device is fixed on the rear side fixed supporting amplitude disc (106), and the other end of the telescopic transmission device is fixedly connected with the sliding shaft sleeve (3).
2. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the telescopic end of the telescopic transmission device (5) is connected with one end of the sliding shaft sleeve (3) in a flange manner.
3. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the diameter adjusting slide rail (402) is fixed on the movable supporting breadth disc (401) through bolts and nuts.
4. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the telescopic threshing toothed bar (105) is of a two-section embedded telescopic structure, and single axial sliding is realized by a limiting hole and a pin shaft.
5. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the telescopic threshing toothed bar (105) is directly fixed on the movable supporting breadth disc (401) or is fixed on the movable supporting breadth disc (401) through a radial extension plate.
6. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the sections of the front ends of the connecting rod (202) and the sliding block connecting rod (403) are concave; the threshing toothed bar is clamped by grooves at the front ends of a connecting rod (202) and a sliding block connecting rod (403) and is fixedly connected with the threshing toothed bar through bolts and nuts.
7. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: and a lengthening plate fixedly connected with the front end of the telescopic threshing toothed bar (105) is arranged on the other side of the final side movable supporting amplitude disc (401).
8. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the telescopic quantity of the telescopic transmission device (5) is 25 mm; the diameter adjusting range of the threshing cylinder is 0-25 mm; the expansion amount of the expansion transmission device (5) and the diameter adjusting range of the threshing cylinder can be set according to actual requirements.
9. The supporting-web-moving variable-diameter threshing cylinder of claim 1, wherein: the telescopic transmission device (5) is any one of a hydraulic cylinder, an electric cylinder and a pneumatic cylinder.
10. A combine harvester incorporating a supporting-web-moving variable diameter threshing cylinder according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789501.7A CN115088481B (en) | 2022-07-06 | 2022-07-06 | Support movable variable diameter threshing cylinder of spoke dish and combine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789501.7A CN115088481B (en) | 2022-07-06 | 2022-07-06 | Support movable variable diameter threshing cylinder of spoke dish and combine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115088481A true CN115088481A (en) | 2022-09-23 |
| CN115088481B CN115088481B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210789501.7A Active CN115088481B (en) | 2022-07-06 | 2022-07-06 | Support movable variable diameter threshing cylinder of spoke dish and combine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115088481B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438819U (en) * | 2009-03-12 | 2010-04-21 | 湖州丰源农业装备制造有限公司 | Threshing cylinder device capable of changing spacing with concave board of combine harvester |
| CN203575152U (en) * | 2013-12-10 | 2014-05-07 | 福田雷沃国际重工股份有限公司 | Three-section type combined axial flow roller |
| CN206963396U (en) * | 2017-05-25 | 2018-02-06 | 中机南方机械股份有限公司 | A kind of quick-change type multifunctional threshing roller |
| CN111887031A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Differential roller with adjustable threshing gap |
| CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
| CN113508690A (en) * | 2021-05-08 | 2021-10-19 | 河南科技大学 | Flexible threshing device capable of automatically adjusting threshing gap |
| CN113519279A (en) * | 2021-07-22 | 2021-10-22 | 江苏大学 | Hydraulic self-adaptive driving and controlling system and method for hydraulic variable-diameter threshing cylinder |
-
2022
- 2022-07-06 CN CN202210789501.7A patent/CN115088481B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438819U (en) * | 2009-03-12 | 2010-04-21 | 湖州丰源农业装备制造有限公司 | Threshing cylinder device capable of changing spacing with concave board of combine harvester |
| CN203575152U (en) * | 2013-12-10 | 2014-05-07 | 福田雷沃国际重工股份有限公司 | Three-section type combined axial flow roller |
| CN206963396U (en) * | 2017-05-25 | 2018-02-06 | 中机南方机械股份有限公司 | A kind of quick-change type multifunctional threshing roller |
| CN111887031A (en) * | 2020-08-13 | 2020-11-06 | 湖南农业大学 | Differential roller with adjustable threshing gap |
| CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
| CN113508690A (en) * | 2021-05-08 | 2021-10-19 | 河南科技大学 | Flexible threshing device capable of automatically adjusting threshing gap |
| CN113519279A (en) * | 2021-07-22 | 2021-10-22 | 江苏大学 | Hydraulic self-adaptive driving and controlling system and method for hydraulic variable-diameter threshing cylinder |
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| Publication number | Publication date |
|---|---|
| CN115088481B (en) | 2024-04-09 |
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