CN104704994A - Clamping chain conveying mechanism of semi-feeding type harvester - Google Patents
Clamping chain conveying mechanism of semi-feeding type harvester Download PDFInfo
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- CN104704994A CN104704994A CN201310669074.XA CN201310669074A CN104704994A CN 104704994 A CN104704994 A CN 104704994A CN 201310669074 A CN201310669074 A CN 201310669074A CN 104704994 A CN104704994 A CN 104704994A
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- chain
- straw
- backplate
- conveying mechanism
- protective
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Abstract
The invention discloses a clamping chain conveying mechanism of a semi-feeding type harvester. The clamping chain conveying mechanism comprises a straw conveying mechanism and a straw clamping mechanism. The straw conveying mechanism comprises a single-protective-plate chain and a double-protective-plate chain, multiple first protective plates are arranged on the outer surface of the single-protective-plate chain at intervals, and the upper and lower sides of the outer surface of the double-protective-plate chain are correspondingly provided with multiple second protective plates arranged at intervals. The straw clamping mechanism comprises a straw pressing rod, pushing rods, guide cylinders and compression springs. The straw pressing rod abuts against the middle of the double-protective-plate chain in the mode that the pushing rods transmit the elastic force of the springs, one end of the straw pressing rod and the double-protective-plate chain form a straw inlet end, and the other end of the straw pressing rod and the double-protective-plate chain form a straw discharging end. The clamping chain conveying mechanism is simple in structure, high in transmission efficiency and work reliability, capable of achieving the function of a straw discharging mechanism, and suitable for small-sized semi-feeding type harvesters.
Description
Technical field
The present invention relates to the millet straw transmission mechanism of grain header, relate to a kind of clamping chain conveying mechanism of feed reaper in particular.
Background technology
At present, the development of grain header differs greatly in China each department.China Plain one is with as northern area, and grain header uses comparatively early, now replaces the heavy manual labor of peasant completely.And China mountain region, knob due to physical features special, also do not realize the mechanization of farm work completely.Existing feed reaper, type is comparatively large, and lays particular stress on, and is mainly suitable for the paddy field that physical features is smooth, become block, and is difficult to transport and walking for mountain region, knob, so be not easy to the paddy rice of gathering in this landform.
The threshing grass discharge mechanism of existing feed reaper adopts relay-type grass discharge mechanism, namely straw accommodates chain mechanism conveying and threshing by one, stalk after threshing is changed by relay mechanism dress and be laid in ground to grass discharge chain device discharge machine, and the hair grass that threshing cylinder produces then all is discharged by vibratory sieve.The drive mechanism more complicated of this mechanism, the accuracy of manufacture requires high, constrains the miniaturization of feed reaper.
Summary of the invention
The object of this invention is to provide a kind of clamping chain conveying mechanism of feed reaper, its structure is simple, transmission efficiency and functional reliability higher, and the function of grass discharge mechanism can be realized simultaneously, be applicable to being applied on miniaturized feed reaper.
The clamping chain conveying mechanism of feed reaper of the present invention, comprises rice straw conveyer structure and straw clamping device, described rice straw conveyer structure comprises single backplate chain and is positioned at the two backplate chains above single backplate chain, described single backplate chain is arranged on the first drive sprocket and the first driven sprocket, and the outer surface of single backplate chain is provided with spaced first backplate of polylith, described pair of backplate chain is arranged on the second drive sprocket and the second driven sprocket, is provided with spaced second backplate of polylith in the upper side and lower side correspondence of the outer surface of two backplate chain, described straw clamping device is positioned at the rear side of two backplate chain, this straw clamping device comprises the careless bar of pressure, push rod, guide cylinder and Compress Spring, described push rod one end is fixed on the careless bar of pressure, the other end is arranged in guide cylinder, described Compress Spring is positioned at guide cylinder, Compress Spring one end is pressed on push rod end face, the other end is pressed on guide cylinder diapire, transmitting spring force by push rod makes pressure grass bar be pressed on the middle part of two backplate chain, (namely between upside the second backplate and downside second backplate), one end of careless bar is pressed to form straw arrival end with two backplate chain, the other end forms straw outlet side with two backplate chain.
Further, one end of the careless bar of described pressure is circular arc type, and is positioned at the outside of the second driven sprocket, presses the other end of careless bar to be the bending segment bent backward.
During use, engine drives the first drive sprocket and the second drive sprocket to rotate by transmission mechanism, first drive sprocket drives the first driven sprocket and single backplate chain movement, second drive sprocket drives the second driven sprocket and two backplate chain movement, guarantees that single backplate chain is identical with the linear velocity of two backplate chain.After rice straw is cut off by cutter, due to the constraint of the first backplate and the second backplate, rice straw after cutting off is positioned at the front side of single backplate chain and two backplate chain, and move together with two backplate chain along with single backplate chain, when rice straw moves to straw arrival end, rice straw bottom is clamp-oned between the careless bar of pressure and two backplate chain, under the effect of Compress Spring elastic force, achieve the clamping to rice straw bottom, the rear side of single backplate chain and two backplate chain is now positioned at by the rice straw clamped, and motion is continued under single backplate chain with the effect of two backplate chain, now, the spike of rice on rice straw top stretches in threshing barrel, when rice straw moves to straw outlet side, threshing completes, rice straw not pressurized grass bar constraint, discharge from straw outlet side under the effect of inertia.
The clamping chain conveying mechanism of feed reaper of the present invention, owing to having said structure, rice straw after cutting off is positioned at the front side of single backplate chain and two backplate chain, under the effect of single backplate chain with two backplate chain, move to the rear side of single backplate chain and two backplate chain, now, the clamping to rice straw bottom is achieved under the effect of the careless bar of pressure, along with single backplate chain and two backplate chain continue motion, carry out threshing operation, when rice straw moves to straw outlet side, rice straw not pressurized grass bar constraint, discharge from straw outlet side.This clamping chain conveying mechanism, structure is simple, transmission efficiency and functional reliability higher, and the function of grass discharge mechanism can be realized simultaneously, be applicable to being applied on miniaturized feed reaper.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention;
Fig. 2 is the structural representation of single backplate chain in the present invention.
Embodiment
In order to explain technical scheme of the present invention further, below by coming by reference to the accompanying drawings, the present invention will be described in detail.
Shown in Fig. 1 and Fig. 2, the clamping chain conveying mechanism of this feed reaper, comprises rice straw conveyer structure and straw clamping device.Two backplate chains 2 that described rice straw conveyer structure comprises single backplate chain 1 and is positioned at above single backplate chain 1; Described single backplate chain 1 is arranged on the first drive sprocket 11 and the first driven sprocket 12, and the outer surface of single backplate chain 1 is provided with spaced first backplate 13 of polylith.Described pair of backplate chain 2 is arranged on the second drive sprocket 21 and the second driven sprocket 22, is provided with spaced second backplate 23 of polylith in the upper side and lower side correspondence of the outer surface of two backplate chain 1.(single backplate chain 1 and two backplate chain 2 similar, difference is two backplate chain is provided with two row's backplates.）
Described straw clamping device is positioned at the rear side of two backplate chain.This straw clamping device comprises the careless bar 31 of pressure, push rod 32, guide cylinder 33 and Compress Spring 34, described push rod 32 one end is fixed on the careless bar 31 of pressure, the other end is arranged in guide cylinder 33, described Compress Spring 34 is positioned at guide cylinder 33, Compress Spring 34 one end is pressed on push rod end face, the other end is pressed on guide cylinder 33 diapire, transmitting spring force by push rod 32 makes pressure grass bar 31 be pressed on the middle part of two backplate chain, (namely between upside the second backplate and downside second backplate), one end of careless bar 31 is pressed to be the outside that circular arc type is positioned at the second driven sprocket 22, straw arrival end is formed with two backplate chain 2, the other end is that the bending segment bent backward forms straw outlet side with two backplate chain 2.
Claims (2)
1. a clamping chain conveying mechanism for feed reaper, comprises rice straw conveyer structure and straw clamping device, it is characterized in that: described rice straw conveyer structure comprises single backplate chain (1) and is positioned at the two backplate chains (2) above single backplate chain; Described single backplate chain is arranged on the first drive sprocket (11) and the first driven sprocket (12), and the outer surface of single backplate chain is provided with spaced first backplate (13) of polylith; Described pair of backplate chain is arranged on the second drive sprocket (21) and the second driven sprocket (22), is provided with spaced second backplate (23) of polylith in the upper side and lower side correspondence of the outer surface of two backplate chain;
Described straw clamping device is positioned at the rear side of two backplate chain, this straw clamping device comprises the careless bar of pressure (31), push rod (32), guide cylinder (33) and Compress Spring (34), described push rod one end is fixed on the careless bar of pressure, the other end is arranged in guide cylinder, described Compress Spring is positioned at guide cylinder, Compress Spring one end is pressed on push rod end face, the other end is pressed on guide cylinder diapire, transmitting spring force by push rod makes pressure grass bar be pressed on the middle part of two backplate chain, one end of careless bar is pressed to form straw arrival end with two backplate chain, the other end forms straw outlet side with two backplate chain.
2. the clamping chain conveying mechanism of feed reaper according to claim 1, is characterized in that: one end of the careless bar of described pressure (31) is circular arc type, and is positioned at the outside of the second driven sprocket, presses the other end of careless bar to be the bending segment bent backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669074.XA CN104704994A (en) | 2013-12-11 | 2013-12-11 | Clamping chain conveying mechanism of semi-feeding type harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669074.XA CN104704994A (en) | 2013-12-11 | 2013-12-11 | Clamping chain conveying mechanism of semi-feeding type harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104704994A true CN104704994A (en) | 2015-06-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310669074.XA Pending CN104704994A (en) | 2013-12-11 | 2013-12-11 | Clamping chain conveying mechanism of semi-feeding type harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104704994A (en) |
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2013
- 2013-12-11 CN CN201310669074.XA patent/CN104704994A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150617 |
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| WD01 | Invention patent application deemed withdrawn after publication |