CN204047230U - For the driven pulley overrunning clutch of grain header - Google Patents
For the driven pulley overrunning clutch of grain header Download PDFInfo
- Publication number
- CN204047230U CN204047230U CN201420487847.2U CN201420487847U CN204047230U CN 204047230 U CN204047230 U CN 204047230U CN 201420487847 U CN201420487847 U CN 201420487847U CN 204047230 U CN204047230 U CN 204047230U
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- China
- Prior art keywords
- slip cap
- driven sprocket
- driven shaft
- grain header
- elastic
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- 230000003139 buffering effect Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 9
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 8
- 229920001195 polyisoprene Polymers 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 235000013339 cereals Nutrition 0.000 description 13
- 238000005339 levitation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000020985 whole grains Nutrition 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of driven pulley overrunning clutch for grain header, comprise driven shaft, be sleeved on the driven sprocket on described driven shaft, to be arranged on described driven shaft and the slip cap that can axially move and be positioned at described driven sprocket away from described slip cap side for preventing described driven sprocket from doing stop part in axial sliding, clutch structure is provided with between described driven sprocket and described slip cap, described clutch makes described slip cap and described driven sprocket when described driven sprocket rotates combine to drive described driven shaft to rotate, when described driven sprocket stop operating and described driven shaft continue rotating in same direction time described slip cap and described driven sprocket be separated.Driven pulley overrunning clutch for grain header of the present utility model, its structure is simple, making is easy, can reduce impact, improves the service life of chain, ensures the efficient work of grain header.
Description
Technical field
The utility model relates to grain header technical field, relates to a kind of driven pulley overrunning clutch for grain header in particular.
Background technology
Patent publication No. CN102823378A, publication date are that the Chinese invention patent of 2012.12.19 discloses a kind of grain header, comprise running gear and provide the power set of power, threshing unit, harvesting parts and pulling parts to running gear, also comprise levitation device, described levitation device is connected with running gear by coupling, and the height that this coupling can realize levitation device regulates and transverse rotation; Described threshing unit, harvesting parts and pulling parts are positioned on levitation device.In technical scheme of the present invention, the center of gravity of grain header can be made to be born and not run-off the straight by levitation device by adaptation, reduce the amplitude of sinking, other weight is just no longer pressed in running gear, reduces the gradient of running gear.
Present grain header, its power resources are in engine (being generally diesel engine), the power of diesel engine flows to driven shaft through chain, the actions such as threshing are carried out by driven shaft, in the work of reality, we find that the chain of existing grain header is shorter for service life, often rupture, and affect the normal work of grain header.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art part, provides a kind of driven pulley overrunning clutch for grain header, can improve the service life of chain, reduces and impacts, ensure the efficient work of whole grain header.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: for the driven pulley overrunning clutch of grain header, comprise driven shaft, be sleeved on the driven sprocket on described driven shaft, to be arranged on described driven shaft and the slip cap that can axially move and be positioned at described driven sprocket away from described slip cap side for preventing described driven sprocket from doing stop part in axial sliding, clutch structure is provided with between described driven sprocket and described slip cap, described clutch makes described slip cap and described driven sprocket when described driven sprocket rotates combine to drive described driven shaft to rotate, when described driven sprocket stop operating and described driven shaft continue rotating in same direction time described slip cap and described driven sprocket be separated.
Applicant finds after research repeatedly and experiment, power source is connected with driven sprocket by chain, drive driven shaft rotates, cylinders on driven shaft etc. rotate together with driven shaft, and when power source stops outputting power, when making driven sprocket stop driving driven shaft, because the existence of inertia, driven shaft is under the drive of cylinder, also can continue to rotate, this time, driven sprocket will be driven to rotate together, and this time will produce very large impact to chain, especially thing driven shaft installed is heavier, impact larger, and this existence impacted just makes the service life of chain be connected with driven sprocket reduce, make it not reach requirement, and this impact will be reduced, the service life of chain could be improved, we have developed the overrunning clutch of the application for this reason, driven sprocket is made to drive driven shaft to rotate normally, finish the work, and when driven sprocket stops operating time, the rotation of driven shaft can not pass to driven sprocket, also would not impact chain, thus ensure that the service life of chain.
As preferably, described clutch comprises and is arranged on multiple first on described slip cap end and protrudes fixture blocks, be located at and described first protrude the first top droop face on fixture block, be arranged on adjacent two first and protrude the first deep gouge between fixture blocks, be arranged on multiple second on described driven sprocket end and protrude fixture blocks, be located at described second and protrude the second top droop face on fixture block and be arranged on adjacent two second the second deep gouges protruded between fixture blocks.
As preferably, described first protrudes fixture block is provided with the first lateral face intersected with described first top droop face, and the radial extended surface of described first lateral face is through the axis of described slip cap; Described second protrudes fixture block is provided with the second lateral face intersected with described second top droop face, and the radial extended surface of described second lateral face is through the axis of described driven sprocket.
As preferably, when described slip cap and described driven sprocket combine; Described first top droop face and described second top droop face laminating, described first lateral face and described second lateral face laminating.
As preferably, described slip cap is positioned at the outside near described driven shaft end, and described stop part is positioned at the inner side away from described driven shaft end.
As preferably, also comprise the elastic buffering mechanism when described slip cap slides laterally to make described slip cap and described driven sprocket be separated on described driven shaft, described slip cap being provided to elastic resistance.
The existence of elastic buffering mechanism, can slow down the impact produced time driven shaft drives slip cap to rotate, and can reduce its rotary speed, make its fast as far as possible stopping.
As preferably, described elastic buffering mechanism comprises the elastic component be sleeved on described driven shaft and the regulating part for regulating described elastic component to act on elastic force on described slip cap being located at described elastic shaft.
As preferably, described regulating part comprises and is screwed onto adjusting nut on described driven shaft and clamp nut.
As preferably, described elastic buffering mechanism comprise the installation be fixedly connected with described slip cap dull and stereotyped, be fixed on the fixed flat planar of described driven shaft end, the multiple cylindrical compression springs be arranged on described installation flat board, be fixed on described fixed flat planar and part stretches into steel ball in described cylindrical compression spring and by described four elastic rubber column of installing dull and stereotyped and described fixed flat planar and coupling together.
As preferably, multiple radial annular groove in described elastic rubber column; Elastic ring is provided with in described radial annular groove, described elastic ring comprises the steel spring plate being provided with open slot and the elastic caoutchouc liner be arranged in described open slot, is lining with and is provided with a pair first protuberances, a pair second protuberances, a pair the 3rd protuberances, is fixed on the first air bag described in a pair between first protuberance, is fixed on the second air bag described in a pair between second protuberance, is fixed on the 3rd air bag described in a pair between the 3rd protuberance in described elastic caoutchouc.
The utility model beneficial effect is:
Driven pulley overrunning clutch for grain header of the present utility model, its structure is simple, making is easy, can reduce impact, improves the service life of chain, ensures the efficient work of grain header.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the schematic diagram of the utility model embodiment one;
Fig. 2 is the structural representation of slip cap in Fig. 1;
Fig. 3 is the structural representation of driven sprocket in Fig. 1;
Fig. 4 is the application schematic diagram of Fig. 1;
Fig. 5 is the schematic diagram of the utility model embodiment two;
Fig. 6 is the structural representation of Fig. 5 Elastic ring.
Embodiment
The following stated is only preferred embodiment of the present utility model, not limits scope of the present utility model.
Embodiment 1, is shown in accompanying drawing 1,2,3,4, for the driven pulley overrunning clutch of grain header, comprise driven shaft 1, be sleeved on the driven sprocket 2 on described driven shaft 1, to be arranged on described driven shaft 1 and the slip cap 3 that can axially move and be positioned at described driven sprocket 2 away from described slip cap 3 side for preventing described driven sprocket 2 from doing stop part 4 in axial sliding, stop part 4 slides on driven shaft for preventing driven sprocket 2, because driven sprocket is sleeved on driven shaft, and between driven shaft, have the existence in gap, stop part in the present embodiment, what adopt is annulus, can be arranged on bearing block or be fixed on driven shaft, the contacts side surfaces of side and driven sprocket, can also directly adopt the side of bearing block as stop part, clutch structure 5 is provided with between described driven sprocket 2 and described slip cap 3, described clutch 5 makes described slip cap 3 and described driven sprocket 2 when described driven sprocket 2 rotates combine to drive described driven shaft 1 to rotate, when described driven sprocket 2 stops operating and described driven shaft 1 continues rotating in same direction, described slip cap 3 and described driven sprocket 2 are separated, driven shaft and slip cap 3 are rotated, and driven sprocket does not rotate, the chain to being connected with driven sprocket is avoided to impact.
In the present embodiment, clutch 5 comprises and is arranged on multiple first on described slip cap 3 end and protrudes fixture blocks 501, be located at and described first protrude the first top droop face 502 on fixture block 501, be arranged on adjacent two first and protrude the first deep gouge 503 between fixture blocks 501, be arranged on multiple second on described driven sprocket 2 end and protrude fixture blocks 504, be located at described second and protrude the second top droop face 505 on fixture block 504 and be arranged on adjacent two second the second deep gouges 506 protruded between fixture blocks 504, the quantity that first quantity and second protruding fixture block protrudes fixture block is equal, simultaneously, described first protrudes fixture block 501 is provided with the first lateral face 507 intersected with described first top droop face 502, and the radial extended surface of described first lateral face 507 is through the axis of described slip cap 3, described second protrudes fixture block 504 is provided with the second lateral face 508 intersected with described second top droop face 505, and the radial extended surface of described second lateral face 508 is through the axis of described driven sprocket 2, like this, when described slip cap 3 and described driven sprocket 2 combine, fit in described first top droop face 502 and described second top droop face 505, described first lateral face 507 and described second lateral face 508 are fitted, and there is gap between described first top droop face 502 and the second deep gouge bottom surface, gap is had between second top droop face and the first deep gouge bottom surface, when work, driven sprocket is under the effect of clutch several 5, the combination of realization and slip cap, transmission of power can be carried out, specific as follows: the first top droop face and the laminating of the second top droop face, first lateral face and the laminating of the second lateral face, when driven sprocket stops operating time, driven shaft and slip cap are under the effect of inertia, continue to rotate, this time, first top droop face and the second top droop face depart from gradually, first lateral face and the second lateral face depart from, realize the disengaging of slip cap and driven sprocket, there is no power transmission between the two, can not impact chain, slip cap is provided with spline, and driven shaft is provided with the spline coordinated with spline, slip cap can either be moved axially, transmission of power can be carried out again, drive driven shaft rotates.
Also comprise the elastic buffering mechanism 6 when described slip cap 3 slides laterally to make described slip cap 3 and described driven sprocket 2 be separated on described driven shaft 1, described slip cap 3 being provided to elastic resistance; The position that slip cap is 3 is in the outside near described driven shaft 1 end, and stop part 4 is positioned at the inner side away from described driven shaft 1 end, arranges like this, is convenient to install, and is also convenient to the position adjusting slip cap, the installation of more convenient elastic buffering mechanism and adjustment; Described elastic buffering mechanism 6 comprises the elastic component 601 be sleeved on described driven shaft 1 and the regulating part 602 for regulating described elastic component to act on elastic force on described slip cap 3 being located at described elastic shaft 601, and elastic component adopts spring or elastic caoutchouc cover; Described regulating part 602 comprises and is screwed onto adjusting nut on described driven shaft 1 and clamp nut.
Embodiment 2, is shown in accompanying drawing 5,6, the difference of present embodiment and embodiment 1 is the difference of elastic buffering mechanism, compare embodiment 1, the buffering effect of present embodiment is better, in the present embodiment, described elastic buffering mechanism 6 comprises the installation flat board 603 be fixedly connected with described slip cap 3, be fixed on the fixed flat planar 604 of described driven shaft 1 end, be arranged on the described multiple cylindrical compression springs 605 installed on dull and stereotyped 603, to be fixed on described fixed flat planar 604 and part stretches into steel ball 606 in described cylindrical compression spring 605 and installs dull and stereotyped 603 and four elastic rubber column 607 coupling together of described fixed flat planar 604 by described, multiple radial annular groove in described elastic rubber column 607, elastic ring 608 is provided with in described radial annular groove, described elastic ring 608 comprises the steel spring plate 60802 being provided with open slot 60801 and the elastic caoutchouc liner 60803 be arranged in described open slot 60801, described elastic caoutchouc liner 60803 is provided with a pair first protuberances 60804, a pair second protuberances 60805, a pair the 3rd protuberances 60806, be fixed on the first air bag 60807 described in a pair between first protuberance 60804, be fixed on the second air bag 60808 described in a pair between second protuberance 60805, be fixed on the 3rd air bag 60809 described in a pair between the 3rd protuberance 60805, be filled with grease between first air bag and elastic caoutchouc liner, meanwhile, between the first air bag and the second air bag, be also filled with grease, to improve buffering effect.
More than illustrate it is only to explanation of the present utility model, those of ordinary skill in the art's can completely is made to implement this programme, but be not restriction of the present utility model, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification, and these are all not creative amendments.As long as but be all subject to the protection of Patent Law in right of the present utility model.
Claims (10)
1. for the driven pulley overrunning clutch of grain header, it is characterized in that: comprise driven shaft (1), be sleeved on the driven sprocket (2) on described driven shaft (1), be arranged on the upper and slip cap (3) that can axially move of described driven shaft (1) and be positioned at described driven sprocket (2) away from described slip cap (3) side for preventing described driven sprocket (2) from doing stop part (4) in axial sliding, clutch structure (5) is provided with between described driven sprocket (2) and described slip cap (3), described clutch (5) makes described slip cap (3) and described driven sprocket (2) when described driven sprocket (2) rotates combine to drive described driven shaft (1) to rotate, when described driven sprocket (2) stop operating and described driven shaft (1) continue rotating in same direction time described slip cap (3) and described driven sprocket (2) be separated.
2. the driven pulley overrunning clutch for grain header according to claim 1, it is characterized in that: described clutch (5) comprises multiple first protrusions fixture block (501) be arranged on described slip cap (3) end, be located at the first top droop face (502) on described first protrusion fixture block (501), be arranged on adjacent two first the first deep gouges (503) protruded between fixture block (501), be arranged on multiple second on described driven sprocket (2) end and protrude fixture block (504), be located at the second top droop face (505) on described second protrusion fixture block (504), and be arranged on adjacent two second the second deep gouges (506) protruded between fixture block (504).
3. the driven pulley overrunning clutch for grain header according to claim 2, it is characterized in that: described first protrudes fixture block (501) is provided with the first lateral face (507) intersected with described first top droop face (502), and the axis of radial extended surface through described slip cap (3) of described first lateral face (507); Described second protrudes fixture block (504) is provided with the second lateral face (508) intersected with described second top droop face (505), and the axis of radial extended surface through described driven sprocket (2) of described second lateral face (508).
4. the driven pulley overrunning clutch for grain header according to claim 3, is characterized in that: when described slip cap (3) and described driven sprocket (2) combine; Described first top droop face (502) and described second top droop face (505) laminating, described first lateral face (507) and described second lateral face (508) laminating.
5. the driven pulley overrunning clutch for grain header according to claim 1, it is characterized in that: described slip cap (3) is positioned at the outside near described driven shaft (1) end, and described stop part (4) is positioned at the inner side away from described driven shaft (1) end.
6. the driven pulley overrunning clutch for grain header according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: also comprise the elastic buffering mechanism (6) when described slip cap (3) slides laterally to make described slip cap (3) and described driven sprocket (2) be separated on described driven shaft (1), described slip cap (3) being provided to elastic resistance.
7. the driven pulley overrunning clutch for grain header according to claim 6, is characterized in that: described elastic buffering mechanism (6) comprises the elastic component (601) be sleeved on described driven shaft (1) and the regulating part (602) for regulating described elastic component to act on the upper elastic force of described slip cap (3) being located at described elastic shaft (601).
8. the driven pulley overrunning clutch for grain header according to claim 7, is characterized in that: described regulating part (602) comprises and is screwed onto adjusting nut on described driven shaft (1) and clamp nut.
9. the driven pulley overrunning clutch for grain header according to claim 7, it is characterized in that: described elastic buffering mechanism (6) comprises the installation flat board (603) be fixedly connected with described slip cap (3), be fixed on the fixed flat planar (604) of described driven shaft (1) end, be arranged on the described multiple cylindrical compression springs (605) installed on dull and stereotyped (603), be fixed on four elastic rubber column (607) that the upper also part of described fixed flat planar (604) stretches into the steel ball (606) in described cylindrical compression spring (605) and described installation dull and stereotyped (603) and described fixed flat planar (604) coupled together.
10. the driven pulley overrunning clutch for grain header according to claim 9, is characterized in that: the upper multiple radial annular groove of described elastic rubber column (607), elastic ring (608) is provided with in described radial annular groove, described elastic ring (608) comprises the steel spring plate (60802) being provided with open slot (60801) and the elastic caoutchouc liner (60803) be arranged in described open slot (60801), described elastic caoutchouc liner (60803) is provided with a pair first protuberances (60804), a pair second protuberances (60805), a pair the 3rd protuberances (60806), be fixed on the first air bag (60807) described in a pair between first protuberance (60804), be fixed on the second air bag (60808) described in a pair between second protuberance (60805), be fixed on the 3rd air bag (60809) described in a pair between the 3rd protuberance (60805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487847.2U CN204047230U (en) | 2014-08-28 | 2014-08-28 | For the driven pulley overrunning clutch of grain header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487847.2U CN204047230U (en) | 2014-08-28 | 2014-08-28 | For the driven pulley overrunning clutch of grain header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204047230U true CN204047230U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487847.2U Expired - Fee Related CN204047230U (en) | 2014-08-28 | 2014-08-28 | For the driven pulley overrunning clutch of grain header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204047230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186118A (en) * | 2014-08-28 | 2014-12-10 | 湖州思达机械制造有限公司 | Driven wheel overrunning clutch device for harvester |
-
2014
- 2014-08-28 CN CN201420487847.2U patent/CN204047230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186118A (en) * | 2014-08-28 | 2014-12-10 | 湖州思达机械制造有限公司 | Driven wheel overrunning clutch device for harvester |
| CN104186118B (en) * | 2014-08-28 | 2017-02-01 | 湖州思达机械制造有限公司 | Driven wheel overrunning clutch device for harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |