CN107642517B - Cylinder stroke hindered control device for agricultural machinery - Google Patents
Cylinder stroke hindered control device for agricultural machinery Download PDFInfo
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- CN107642517B CN107642517B CN201711055207.9A CN201711055207A CN107642517B CN 107642517 B CN107642517 B CN 107642517B CN 201711055207 A CN201711055207 A CN 201711055207A CN 107642517 B CN107642517 B CN 107642517B
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Abstract
The invention discloses an air cylinder stroke blocking control device for agricultural machinery, which comprises a base plate, wherein a support is arranged on the base plate, the support is in a right-angle shape and consists of a transverse plate and a vertical plate, the bottom end of the vertical plate of the support is fixed with the base plate, the top end of the vertical plate of the support is connected with the edge of the transverse plate, a rectangular window is formed in the transverse plate of the support, two clamping plates which are parallel to each other are arranged in the rectangular window, the plate surfaces of the clamping plates are perpendicular to the movement direction of an air cylinder piston rod, the two clamping plates are hinged with the lower part of a control block through rotating pins, and the upper end of the control block is. The invention has good sensitivity and reliable positioning precision, is matched with the cylinder stroke blocking positioning device, effectively overcomes the defect of large positioning error of the traditional structure, can ensure that the pause positions of the cylinder piston rod in the extending and retracting processes are kept consistent, and can be applied to seedling clamping mechanisms of various types of transplanting machines.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a cylinder stroke blocking control device on a seedling clamping mechanism of a transplanter.
Background
With the development of science and technology and the social progress, the agriculture of China gradually realizes large-scale mechanized operation. The transplanter is a commonly used agricultural machine at present, and a seedling clamping mechanism of the transplanter is driven by a cylinder. In the operation process of the air cylinder, the piston rod of the air cylinder is required to stop in the extending and retracting processes, namely the air cylinder is required to realize the positioning of three working positions. The existing positioning structure is very complex, not only is the assembly difficult and the cost high, but also the pause positions of the cylinder piston rod in the extending and retracting processes are difficult to keep consistent, and the positioning precision is poor.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides a device for controlling the stroke of a cylinder on a seedling clamping mechanism of a transplanter.
The technical scheme of the invention is as follows: the utility model provides a cylinder stroke is hindered controlling means for agricultural machine, includes the base plate, its characterized in that: the base plate is provided with a support which is in a right-angle shape and consists of a transverse plate and a vertical plate, the bottom end of the vertical plate of the support is fixed with the base plate, the top end of the vertical plate of the support is connected with the edge of the transverse plate, the transverse plate of the support is provided with a rectangular window, two clamping plates which are parallel to each other are arranged in the rectangular window, the surface of each clamping plate is perpendicular to the motion direction of a piston rod of the air cylinder, the two clamping plates are hinged with the lower part of the control block through rotating pins, and the upper end of the control block is hinged with the piston.
The invention is matched with a cylinder stroke blocking positioning device, the cylinder stroke blocking positioning device is provided with a positioning plate, the positioning plate is connected with a piston rod of a cylinder, and a positioning block is hinged on the positioning plate. When the air cylinder is ventilated, a piston rod of the air cylinder extends outwards to drive the positioning plate to do linear motion, and when the positioning plate moves to the position of the support, the positioning block is in contact with the control block to force the piston rod of the air cylinder to pause. After the work is finished, the control block is controlled to rotate for a certain angle to open the passage, the piston rod of the air cylinder continues to extend outwards, the positioning block passes through the position where the control block is opened, and then the control block is controlled to return to the original position. When the piston rod of the cylinder retracts, the positioning block is contacted with the control block when the positioning plate moves to the position of the support, and the piston rod stops again. After the work is finished, the control block is controlled to rotate for a certain angle to open the passage, the piston rod of the air cylinder continues to retract, the positioning block passes through the position where the control block is opened, and then the control block is controlled to return to the original position. When the piston rod of the air cylinder returns to the initial position, a new round of operation can be started again. Therefore, the invention has the advantages of simple structure, easy installation and use, good sensitivity and reliable positioning precision, and can be applied to a seedling clamping mechanism of a transplanter or other suitable occasions.
Preferably, the substrate has a rectangular flat plate structure.
Preferably, a guide plate is provided on the base plate.
Preferably, the clamping plate is rectangular, and the lower edge of the clamping plate is flush with the bottom surface of the transverse plate of the support.
Has the advantages that: the invention has reasonable design, simple structure, easy implementation, easy installation and use, good sensitivity and reliable positioning precision, is matched with the cylinder stroke blocking positioning device, effectively solves the defect of large positioning error of the traditional structure, can ensure that the pause positions of the cylinder piston rod in the extending and retracting processes are kept consistent, and can be applied to seedling clamping mechanisms of various types of transplanting machines.
Drawings
Fig. 1 is a schematic structural view of the cylinder stroke blocking positioning device of the present invention.
Fig. 2 is a top view of fig. 1.
fig. 3 is a schematic structural diagram of the cylinder stroke blocking positioning device.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a right side view of fig. 5.
fig. 7 is a diagram showing a state where the piston rod of the cylinder is not extended in the present invention.
Fig. 8 is a diagram showing a state in which the piston rod of the cylinder is extended to the intermediate position in the present invention.
Fig. 9 is a diagram showing a state where the piston rod of the cylinder is extended to the maximum stroke in the present invention.
Fig. 10 is a state diagram of the cylinder rod of the present invention retracted to an intermediate position.
Fig. 11 is a state diagram of the cylinder rod of the present invention retracted to the initial position.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
As shown in fig. 1, 2, 3, 4, 5 and 6, the base plate 2 is a rectangular flat plate structure, the cylinder body of the cylinder 1 is fixed on the base plate 2, the axial line of the cylinder 1 is the same as the length direction of the base plate 2, and the piston rod of the cylinder 1 faces forward. A positioning plate 3 is installed on the piston rod of the cylinder 1, the flat plate of the positioning plate 3 is parallel to the plate surface of the base plate 2, a bottom plate 3b is integrally formed at the rear edge of the bottom of the positioning plate 3, the bottom plate 3b is perpendicular to the flat plate of the positioning plate 3, the bottom plate 3b is supported by the base plate 2, a reverse U-shaped notch 3c is opened on the bottom plate 3b, and the piston rod of the cylinder 1 passes through the reverse U-shaped notch 3c and is fixed with the bottom plate 3b through a nut. The base plate 2 is provided with a guide plate 7, the positioning plate 3 is in sliding fit with the guide plate 7, and the positioning plate 3 can do linear motion along the guide plate 7.
As can be seen from fig. 1, 2, 3 and 4, a positioning block 4 is disposed on a flat plate of the positioning plate 3, the positioning block 4 is composed of a prismatic sheet 4a, a transition sheet 4b and a fan-shaped sheet 4c, the prismatic sheet 4a, the transition sheet 4b and the fan-shaped sheet 4c are located in the same plane, the prismatic sheet 4a is hinged to the positioning plate 3 through a rotating shaft 8, and a range of the positioning block 4 rotating around the hinge point is limited by a limiting strip 3a integrally formed at the right edge of the positioning plate 3. The prismatic sheets 4a are rounded off at the obtuse angles close to the limiting strips 3a, and the obtuse angles, far away from the limiting strips 3a, of the prismatic sheets 4a are connected with the fan-shaped sheets 4c through transition sheets 4 b. The rotating shaft 8 is arranged on the connecting line of the two obtuse angles of the prismatic sheet 4a, and the positioning block 4 is in a symmetrical structure taking the connecting line of the two obtuse angles of the prismatic sheet as a central line.
As can be seen from fig. 1, 2, 5 and 6, the control block 5 for positioning the positioning block 4 is located at the middle position of the stroke of the piston rod of the cylinder 1, and the control block 5 is mounted on the support 6. Support 6 is the right angle shape, comprises diaphragm and riser, and the bottom of 6 risers of support is fixed with base plate 2, and the top of 6 risers of support links to each other with the left edge of diaphragm, and it has the rectangle window to open on the diaphragm of support 6, is provided with two splint 9 that are parallel to each other in this rectangle window, and splint 9 are the rectangle, and the lower border of this splint 9 is along the bottom surface parallel and level with 6 diaphragms of support. The plate surface of the clamping plates 9 is vertical to the moving direction of the piston rod of the air cylinder 1, the two clamping plates 9 are hinged with the lower part of the control block 5 through rotating pins 10, and wedge-shaped clamping feet at the lower end of the control block 5 extend to the lower part of the transverse plate of the support 6. The upper end of the control block is provided with a mounting hole which is connected with a piston rod of a swing cylinder, and the swing cylinder drives the control block 5 to rotate.
The working principle of the invention is as follows: when the cylinder 1 is not ventilated, a piston rod of the cylinder 1 does not extend out (see fig. 7), after the cylinder 1 is ventilated, the piston rod of the cylinder 1 extends out to drive the positioning plate 3 to do linear motion, when the positioning plate 3 moves to the position of the support 6, the positioning block 4 is contacted with the control block 5, at the moment, the control block 5 and the limiting strip 3a act together to position the positioning block 4, so that the positioning block 4 cannot rotate, and the piston rod of the cylinder 1 is forced to pause (see fig. 8). After the work is finished, the swing cylinder drives the control block 5 to rotate for a certain angle to leave the passage, the piston rod of the cylinder 1 continuously extends outwards, the positioning block 4 passes through the position where the control block 5 leaves the passage, and then the control block 5 is controlled to return to the original position (see fig. 9). When the piston rod of the air cylinder 1 retracts, the positioning plate 3 moves to the position of the support 6, the positioning block 4 is contacted with the control block 5, the control block 5 and the limiting strip 3a position the positioning block 4 again, and the piston rod of the air cylinder 1 is forced to stop again (see fig. 10). After the work is finished, the control block 5 is controlled to rotate for a certain angle to open the passage, the piston rod of the air cylinder 1 continues to retract, the positioning block 4 passes through the position where the control block 5 is opened, and then the control block 5 is controlled to return to the original position (see fig. 11). When the piston rod of the air cylinder 1 returns to the initial position, a new round of operation can be started again.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various similar representations without departing from the spirit and the claims of the present invention, such as changing the cylinder to a bidirectional cylinder and providing a corresponding baffle and stop block, or changing the shape of the positioning block, etc., and such changes are within the scope of the present invention.
Claims (2)
1. The utility model provides a cylinder stroke is hindered controlling means for agricultural machine, includes base plate (2), its characterized in that: the base plate (2) is of a rectangular flat plate structure, the cylinder body of the cylinder (1) is fixed on the base plate (2), the axial lead of the cylinder (1) is in the same direction with the length direction of the base plate (2), a support (6) is arranged on the base plate (2), the support (6) is right-angled and consists of a transverse plate and a vertical plate, the bottom end of the vertical plate of the support (6) is fixed with the base plate (2), the top end of the vertical plate of the support (6) is connected with the edge of the transverse plate, a rectangular window is formed in the transverse plate of the support (6), two clamping plates (9) which are parallel to each other are arranged in the rectangular window, the plate surface of each clamping plate (9) is vertical to the motion direction of the piston rod of the cylinder (1), the two clamping plates (9) are hinged to the lower part of the control block (5) through rotating pins (10), and the upper;
The piston rod of the cylinder (1) faces forwards, the piston rod of the cylinder (1) is provided with a positioning plate (3), the flat plate of the positioning plate (3) is parallel to the plate surface of the base plate (2), the rear edge of the bottom of the positioning plate (3) is integrally formed with a bottom plate (3b), the bottom plate (3b) is perpendicular to the flat plate of the positioning plate (3), the bottom plate (3b) is supported by the base plate (2), the bottom plate (3b) is provided with an inverted U-shaped notch (3c), the piston rod of the cylinder (1) penetrates through the inverted U-shaped notch (3c) and is fixed with the bottom plate (3b) through a nut, the base plate (2) is provided with a guide plate (7), the positioning plate (3) is in sliding fit with the guide plate (7), and the positioning plate (3) can do linear motion along the guide plate (7);
The positioning block (4) is composed of a prismatic sheet (4a), a transition sheet (4b) and a fan-shaped sheet (4c), the prismatic sheet (4a), the transition sheet (4b) and the fan-shaped sheet (4c) are located in the same plane, the prismatic sheet (4a) is hinged to the positioning plate (3) through a rotating shaft (8), the range of the positioning block (4) rotating around a hinge point is limited by a limiting strip (3a) integrally formed at the right edge of the positioning plate (3), the prismatic sheet (4a) is close to an obtuse angle fillet of the limiting strip (3a), the obtuse angle of the prismatic sheet (4a) far away from the limiting strip (3a) is connected with the fan-shaped sheet (4c) through the transition sheet (4b), the rotating shaft (8) is located on the connection line of two obtuse angles of the prismatic sheet (4a), and the positioning block (4) is of a symmetrical structure with the connection line of the two obtuse angles of;
when the air cylinder (1) is not ventilated, a piston rod of the air cylinder (1) does not extend, after the air cylinder (1) is ventilated, the piston rod of the air cylinder (1) extends outwards to drive the positioning plate (3) to do linear motion, when the positioning plate (3) moves to the position of the support (6), the positioning block (4) is in contact with the control block (5), and at the moment, the control block (5) and the limiting strip (3a) act together to position the positioning block (4), so that the positioning block (4) cannot rotate, and the piston rod of the air cylinder (1) is forced to pause at the position; after the work is finished, the swing air cylinder drives the control block (5) to rotate for a certain angle to open the passage, the piston rod of the air cylinder (1) continuously extends outwards, the positioning block (4) passes through the position where the control block (5) is opened, and then the control block (5) is controlled to return to the original position; when the piston rod of the air cylinder (1) retracts, the positioning plate (3) moves to the position of the support (6), the positioning block (4) is contacted with the control block (5), the control block (5) and the limiting strip (3a) position the positioning block (4) again, and the piston rod of the air cylinder (1) is forced to stop again; after the work is finished, the control block (5) is controlled to rotate for a certain angle to open the passage, the piston rod of the air cylinder (1) continues to retract, the positioning block (4) passes through the position where the control block (5) is opened, and then the control block (5) is controlled to return to the original position.
2. The cylinder stroke resistance control device for agricultural machines according to claim 1, characterized in that: the clamping plate (9) is rectangular, and the lower edge of the clamping plate (9) is flush with the bottom surface of the transverse plate of the support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055207.9A CN107642517B (en) | 2017-10-29 | 2017-10-29 | Cylinder stroke hindered control device for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055207.9A CN107642517B (en) | 2017-10-29 | 2017-10-29 | Cylinder stroke hindered control device for agricultural machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107642517A CN107642517A (en) | 2018-01-30 |
| CN107642517B true CN107642517B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711055207.9A Active CN107642517B (en) | 2017-10-29 | 2017-10-29 | Cylinder stroke hindered control device for agricultural machinery |
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| CN (1) | CN107642517B (en) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3732783A (en) * | 1971-02-11 | 1973-05-15 | Nichols H | Fluid cylinder having self-locking means |
| CN1007742B (en) * | 1985-10-08 | 1990-04-25 | 普罗菲尔意大利有限公司 | Pneumatic auxiliary holder used in sewing machine |
| CN2503249Y (en) * | 2001-11-07 | 2002-07-31 | 黄进武 | Pneuamtic autuating mechanism of smoke guard |
| JP3776067B2 (en) * | 2002-08-12 | 2006-05-17 | 株式会社クボタ | Elevator for paddy field machine |
| DE10249509A1 (en) * | 2002-10-23 | 2004-05-13 | Bar Pneumatische Steuerungssysteme Gmbh | Pneumatic actuator |
| FR2910082B1 (en) * | 2006-12-14 | 2009-02-13 | Guima Palfinger Soc Par Action | HYDRAULIC LOCKING DEVICE FOR LIFT ARMS |
| CN101825124A (en) * | 2009-03-06 | 2010-09-08 | 张家港和升数控机床制造有限公司 | Oil cylinder with adjustable stroke |
| CN201585255U (en) * | 2010-01-07 | 2010-09-22 | 新疆农业大学 | Automatic control planting apparatus |
| CN102734262B (en) * | 2012-07-12 | 2014-12-24 | 中联重科股份有限公司 | Driving cylinder and crane and engineering machinery with driving cylinder |
| CN203868037U (en) * | 2014-05-15 | 2014-10-08 | 浙江宁威科技有限公司 | Cylinder stopper |
| CN105090165A (en) * | 2015-08-28 | 2015-11-25 | 江苏合丰机械制造有限公司 | Stroke regulating mechanism for double-rod hydraulic cylinder |
| CN205937289U (en) * | 2016-08-17 | 2017-02-08 | 深圳市迈斯艾尔科技发展有限公司 | Stroke adjustable cylinder |
| CN207568976U (en) * | 2017-10-29 | 2018-07-03 | 新疆天业智慧农业科技有限公司 | Agricultural machinery is obstructed control device with cylinder stroke |
-
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- 2017-10-29 CN CN201711055207.9A patent/CN107642517B/en active Active
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Effective date of registration: 20191112 Address after: 276826 No. 169, Yantai Road, Shandong, Rizhao City Applicant after: Sunshine Qing Chuan intellectual property service centre Address before: 434026 Meihuai Branch Arch Bridge Team of Taihu Farm, Jingzhou District, Jingzhou City, Hubei Province Applicant before: Liu Fuzhen |
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