CN215872709U - Hydraulic main clutch operating device of corn harvester - Google Patents
Hydraulic main clutch operating device of corn harvester Download PDFInfo
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- CN215872709U CN215872709U CN202121412928.2U CN202121412928U CN215872709U CN 215872709 U CN215872709 U CN 215872709U CN 202121412928 U CN202121412928 U CN 202121412928U CN 215872709 U CN215872709 U CN 215872709U
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- oil cylinder
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- hydraulic
- piston rod
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- 240000008042 Zea mays Species 0.000 title claims abstract description 19
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 19
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 18
- 235000005822 corn Nutrition 0.000 title claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 47
- 239000003921 oil Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims 1
- 235000009973 maize Nutrition 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000003306 harvesting Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a hydraulic main clutch operating device of a corn harvester, which belongs to the technical field of main clutch of the harvester and comprises a main clutch tensioning device of a power output device, wherein the power output device comprises a driving device and a power device which are connected through a belt; the hydraulic oil cylinder controls the piston rod to extend and retract through the oil supply device; a piston rod of the hydraulic oil cylinder is sleeved with a first buffer spring, and when the piston rod of the hydraulic oil cylinder does not extend out, the first buffer spring is in a compressed state. The hydraulic clutch has the advantages of simple structure, convenience in maintenance, good buffering effect, stability in operation, small vibration of parts, low noise, small belt abrasion, long service life and high safety performance, and is suitable for all hydraulic clutches.
Description
Technical Field
The utility model belongs to the technical field of harvester main clutch, and relates to a hydraulic main clutch of a corn harvester, in particular to a hydraulic main clutch operating device of the corn harvester.
Background
The corn harvester has been primarily mechanized and intelligentized, the corn harvester has more and more functions, and the operation is more complicated than before, but the main functions of the corn harvester are two, namely the functions of harvesting and walking, and the main clutch mechanism is the device for realizing the separation of the harvesting and the walking. The clutch mechanisms are braked by adopting a transmission belt tensioning mode, the tensioning wheel is in an idle running state under the condition that the belt is not tensioned, the belt is separated from the tensioning wheel, the working part of the whole harvester does not run, and the harvester achieves the walking function; after the belt is tensioned, the belt is attached to the tensioning wheel, the tensioning wheel operates, the working part of the whole harvester starts to work, and the harvester achieves the function of harvesting.
Main clutching mechanism all adopts the hydraulic stem to realize the contact of take-up pulley and belt among the prior art, through the flexible of hydraulic stem, control take-up pulley and belt laminating, this kind of structure is fairly simple, the laminating of the quick flexible messenger take-up pulley of hydraulic stem and belt and the unstability of separation, do not have the buffering, during the braking, vibrations are big, the noise is big, belt wearing and tearing are quick, life shortens, and the power of hydraulic stem is less, can not make the take-up pulley inseparabler with the belt laminating, lead to power not enough, braking effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide a hydraulic main clutch operating device of a corn harvester, so as to achieve the purposes that a tension pulley is stably contacted with or separated from a belt, the buffer process is realized, the vibration of other parts can be reduced, the noise is low, the belt abrasion is low, and the braking effect is good.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a hydraulic main clutch operating device of a corn harvester comprises a power output device and a main clutch tensioning device used for controlling the power output device to work, wherein the power output device comprises a driving device and a power device which are connected through a belt; the hydraulic oil cylinder controls a piston rod thereof to stretch out and draw back through an oil supply device; a piston rod of the hydraulic oil cylinder is sleeved with a first buffer spring, and when the piston rod of the hydraulic oil cylinder does not extend out, the first buffer spring is in a compressed state.
As a limitation of the present invention: a piston rod of the hydraulic oil cylinder is fixedly provided with a screw rod, the screw rod is sleeved with a second buffer spring, and one end of the second buffer spring abuts against a hinged joint of the piston rod of the hydraulic oil cylinder and the first linkage rod and is in a compression state.
As a further limitation of the utility model: and a piston rod of the hydraulic oil cylinder is fixedly provided with a connecting rod, and the first linkage rod is hinged on the connecting rod.
As another limitation of the present invention: the oil supply device comprises an oil tank and a multi-way valve which are connected through a pipeline and form a loop, and the multi-way valve is connected with the hydraulic oil cylinder and is controlled by an operating rod.
As a limitation of the present invention: and a gear pump is connected on a pipeline connecting the oil tank and the multi-way valve.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) the attachment and separation of the tensioning wheel and the belt are controlled by the hydraulic oil cylinder, the hydraulic oil cylinder supplies oil through the oil tank to control the extension and retraction of the piston rod of the hydraulic oil cylinder, the movement of the hydraulic oil cylinder is stable, the power is large, the control is convenient, the braking is firm, when the piston rod extends out of the first buffer spring in a compressed state, the elastic potential energy is released, the power can be provided for the extension rod of the hydraulic oil cylinder, when the piston rod retracts, namely the tensioning wheel is attached to the belt, the first buffer spring needs to compress the first buffer spring, the first buffer spring plays a role in buffering the retraction of the piston rod, the piston rod is prevented from retracting rapidly, the stability of the operation is increased, in addition, the buffering process can reduce the vibration of other parts, the noise is low, the belt abrasion is low, and the service life of the belt can be prolonged;
(2) according to the utility model, the screw rod is sleeved with the second buffer spring, after the belt is tensioned, the tensioning wheel is in an elastic tensioning state due to the action of the second buffer spring, so that the piston rod of the hydraulic oil cylinder can be effectively buffered, and the second buffer spring compresses the first linkage rod, so that the hydraulic oil cylinder can also play a buffering role when returning, and the attachment stability of the tensioning wheel and the belt is improved;
(3) the oil inlet and outlet of the hydraulic oil cylinder are controlled by a multi-way valve, the control is flexible, the structure is simple, and the driving fatigue of operators can be reduced;
(4) the gear pump can improve the oil return speed of hydraulic oil and improve the flexibility of control.
In conclusion, the hydraulic clutch has the advantages of simple structure, convenience in maintenance, good buffering effect, stability in operation, small vibration of parts, low noise, small belt abrasion, long service life and high safety performance, and is suitable for all hydraulic clutches.
Drawings
The utility model is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a comparative configuration of the tensioned and untensioned state of the tensioner 11 in accordance with an embodiment of the present invention;
fig. 3 is a schematic view of an oil path connection structure of an oil supply device according to an embodiment of the present invention.
In the figure: 1-driving device, 2-power device, 3-hydraulic oil cylinder, 4-connecting rod, 5-screw rod, 6-first buffer spring, 7-second buffer spring, 8-first linkage rod, 9-rotating rod, 10-second linkage rod, 11-tensioning wheel, 12-belt, 13-oil tank, 14-gear pump, 15-multi-way valve and 16-operating rod.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the hydraulic main clutch operating device of the corn harvester described herein is a preferred embodiment, and is only used for illustrating and explaining the present invention, and does not constitute a limitation to the present invention.
Embodiment corn harvester hydraulic pressure owner separation and reunion operating means
In the embodiment, as shown in fig. 1 to 3, a hydraulic main clutch operation device of a corn harvester comprises a power output device and a main clutch tension device for controlling the power output device to work, wherein the power output device is connected with a harvesting device of the corn harvester, the power output device drives the harvester to harvest when working, the harvester does not harvest and only walks when the power output device does not work, and the main clutch tension device is used for controlling whether the power output device works or not.
The power output device comprises a driving device 1 and a power device 2 which are connected through a belt 12, the power device 2 is connected with a harvesting device of the harvester, the driving device 1 adopts an engine in the prior art, and power is transmitted to the power device 2 through the belt 12. When the belt 12 is not in contact with the power device 2 and the driving device 1, the driving device 1 is in an idle state, power cannot be transmitted to the power device 2, and the power device 2 does not work; when the belt 12 is in contact with the power unit 2 and the driving unit 1, the driving unit 1 transmits power to the power unit 2 through the belt 12, and the power unit 2 operates. The whole structure is prior art and will not be elaborated herein.
The main clutch tensioning device comprises a hydraulic oil cylinder 3, a first linkage rod 8 hinged on a piston rod of the hydraulic oil cylinder 3, a rotating rod 9 fixed with the first linkage rod 8, and a second linkage rod 10 fixedly connected with the rotating rod 9. One end of the hydraulic oil cylinder 3 is hinged on the harvester, and the other end is a free end. And a screw rod 5 is fixedly arranged at the end part of the free end of the piston rod of the hydraulic oil cylinder 3 and is used for extending the piston rod. The first linkage rod 8 is H-shaped and can increase the strength of the first linkage rod, the free end of a piston rod of the hydraulic oil cylinder 3 is fixedly provided with a connecting rod 4, and the first linkage rod 8 is provided with a through hole, is hinged at two ends of the connecting rod 4 and can rotate on the connecting rod 4. The dwang 9 rotates to be connected on the fixed position of harvester, because first gangbar 8 and second gangbar 10 are all fixed on dwang 9, and the fixed direction of first gangbar 8 and second gangbar 10 is the same, so, first gangbar 8 and second gangbar 10 can synchronous motion. When the first linkage rod 8 moves, the second linkage rod 10 can also move synchronously under the driving of the rotating shaft 9. A tension wheel 11 is fixedly arranged on the second linkage rod 10, when the first linkage rod 8 moves rightwards (right in figure 2) along with the telescopic rod of the hydraulic oil cylinder 3, namely the piston rod returns, the tension wheel 11 is tightly attached to the belt 12, the power on the driving device 1 is transmitted to the power device 2, and the power device 2 drives the harvesting device of the harvester to work; when the first linkage rod 8 moves leftwards (leftwards in figure 2) along with the telescopic rod of the hydraulic oil cylinder 3, the tension wheel 11 is separated from the belt 12, the power on the driving device 1 cannot be transmitted to the power device 2, the power device 2 does not output power, and the harvesting device of the harvester does not work.
A piston rod of the hydraulic oil cylinder 3 is sleeved with a first buffer spring 6, the screw 5 is sleeved with a second buffer spring 7, one end of the first buffer spring 6 abuts against a sleeve of the hydraulic oil cylinder 3, and the other end of the first buffer spring abuts against the connecting rod 4; when the piston rod of the hydraulic oil cylinder 3 is not extended, the first buffer spring 6 is in a compressed state, and the second buffer spring 7 is also in a compressed state, so that the contact or separation of the tensioning wheel 11 and the belt 12 can be buffered.
The hydraulic oil cylinder 3 controls the extension and retraction of a piston rod thereof through an oil supply device, as shown in fig. 1 and 3, the oil supply device comprises an oil tank 13 and a multi-way valve 15 which are connected through a pipeline and form a loop, and the multi-way valve 15 is connected with the hydraulic oil cylinder 3 in the main clutch device, controls the piston rod to extend or retract and is controlled by an operating rod 16. The pipeline that oil tank 13 and multiple unit valve 15 are connected still is connected with gear pump 14, can increase the speed that hydraulic oil gets back to oil tank 13, improves the speed of hydraulic oil circulation.
The working principle of the utility model is as follows: the driving device 1 transmits power to the power device 2 through the belt 12 for output, and realizes the power output or not through the separation or the attachment of the belt 12 and the power device. When the oil supply device supplies oil to one side of the hydraulic oil cylinder 3, a piston rod of the oil supply device extends out, and the hydraulic oil cylinder 3 is movably connected with the harvester, so that the first linkage rod 8 is pushed to rotate anticlockwise around the rotating rod 9, the tension pulley 11 on the second linkage rod 10 is far away from the belt 12, the belt 12 is long, and in the non-tensioned state, the belt 12 is not in close contact with the power device 2 and the driving device 1, the belt 12 slips and cannot transmit power to the power device 2, the driving device 1 is in the idle rotation state, and the power device 2 does not work. When the piston rod pushes the first linkage rod 8 to rotate anticlockwise, the first buffer spring 6 in a compressed state releases elastic potential energy, and the force pushed by the piston rod is increased.
When the oil supply device supplies oil to the other side of the hydraulic oil cylinder 3, the piston rod of the oil supply device retracts, and the hydraulic oil cylinder 3 is movably connected with the harvester, so that the first linkage rod 8 is pushed to rotate clockwise around the rotating rod 9, the tension wheel 11 on the second linkage rod 10 is tightly attached to the belt 12, the belt 12 is tensioned and is tightly contacted with the power device 2 and the driving device 1, and the belt 12 transmits power to the power device 2, so that the power device 2 works. When the piston rod promoted first gangbar 8 clockwise turning, the first buffer spring 6 of piston rod compression can slow down the dynamics that the piston rod withdrawed, plays the effect of buffering, reduces the vibrations of spare part, and simultaneously, second buffer spring 7 in compression state makes take-up pulley 11 be in the elastic tensioning state under the effect of elastic potential energy, can effectually play the cushioning effect to hydraulic cylinder 3's piston rod.
Claims (5)
1. The utility model provides a maize picker hydraulic pressure owner separation and reunion operating means, includes power take off and is used for controlling the main separation and reunion overspeed device tensioner of power take off work, power take off includes drive arrangement and the power device who connects through the belt, its characterized in that: the main clutch tensioning device comprises a hydraulic oil cylinder, a first linkage rod hinged on a piston rod of the hydraulic oil cylinder, a rotating rod fixed with the first linkage rod and a second linkage rod fixedly connected with the rotating rod, and a tensioning wheel used for tensioning a belt is fixedly arranged on the second linkage rod; the hydraulic oil cylinder controls a piston rod thereof to stretch out and draw back through an oil supply device; a piston rod of the hydraulic oil cylinder is sleeved with a first buffer spring, and when the piston rod of the hydraulic oil cylinder does not extend out, the first buffer spring is in a compressed state.
2. The corn harvester hydraulic main clutch operating device as set forth in claim 1, wherein: a piston rod of the hydraulic oil cylinder is fixedly provided with a screw rod, the screw rod is sleeved with a second buffer spring, and one end of the second buffer spring abuts against a hinged joint of the piston rod of the hydraulic oil cylinder and the first linkage rod and is in a compression state.
3. The corn harvester hydraulic main clutch operating device as set forth in claim 2, wherein: and a piston rod of the hydraulic oil cylinder is fixedly provided with a connecting rod, and the first linkage rod is hinged on the connecting rod.
4. The corn harvester hydraulic main clutch operating device according to any one of claims 1 to 3, characterized in that: the oil supply device comprises an oil tank and a multi-way valve which are connected through a pipeline and form a loop, and the multi-way valve is connected with the hydraulic oil cylinder and is controlled by an operating rod.
5. The corn harvester hydraulic main clutch operating device as set forth in claim 4, wherein: and a gear pump is connected on a pipeline connecting the oil tank and the multi-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412928.2U CN215872709U (en) | 2021-06-24 | 2021-06-24 | Hydraulic main clutch operating device of corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412928.2U CN215872709U (en) | 2021-06-24 | 2021-06-24 | Hydraulic main clutch operating device of corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215872709U true CN215872709U (en) | 2022-02-22 |
Family
ID=80346753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121412928.2U Active CN215872709U (en) | 2021-06-24 | 2021-06-24 | Hydraulic main clutch operating device of corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215872709U (en) |
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2021
- 2021-06-24 CN CN202121412928.2U patent/CN215872709U/en active Active
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Effective date of registration: 20230811 Granted publication date: 20220222 |