CN208402545U - A kind of adjustable threshing cylinder of threshing diameter and combine harvester - Google Patents
A kind of adjustable threshing cylinder of threshing diameter and combine harvester Download PDFInfo
- Publication number
- CN208402545U CN208402545U CN201821112216.7U CN201821112216U CN208402545U CN 208402545 U CN208402545 U CN 208402545U CN 201821112216 U CN201821112216 U CN 201821112216U CN 208402545 U CN208402545 U CN 208402545U
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- disk
- threshing
- support width
- diameter
- ratchet
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Abstract
The utility model provides the adjustable threshing cylinder of detachment frequency and combine harvester, including threshing cylinder, diameter regulating device, transmission device, self-locking device, and diameter regulating device is located on the inside of threshing cylinder both ends support width disk；Self-locking device is located at threshing cylinder tail portion, transmission device transfers power to diameter regulating device and self-locking device, drum threshing diameter can carry out step-less adjustment by diameter regulating device, while self-locking device can effectively lock the diameter of cylinder after adjusting, guarantee the stability of roller operation.The utility model can easily and fast adjust the drum threshing diameter of combined harvester, so that the threshing linear velocity of threshing cylinder, cylinder-concave clearance meet the best harvest parameter of variety classes, different geographical cereal, can effectively improve the threshing adaptability of combined harvester.
Description
Technical field
It is concretely that threshing is straight the utility model relates to the grain threshing separation device technical field on combine harvester
The adjustable threshing cylinder of diameter.
Background technique
Threshing cylinder is the important component of combined harvester, is cooperated in the course of work with concave grate, play by seed with
The effect of stem separation.Wherein the threshing element linear velocity of threshing cylinder, cylinder-concave clearance are affected to grain threshing quality,
During actual cut, due to different cultivars, different water cut, areal differing maturity cereal, seed and grain handle
Attachment force be all different, therefore the single threshing element linear velocity of threshing cylinder, cylinder-concave clearance generate Threshing be not
Preferably, the threshing diameter for changing roller can effectively change simultaneously threshing element linear velocity and cylinder-concave clearance；It is existing to change
Become the mode of cylinder diameter of beater as the threaded hole for making different location on support width disk and threshing toothed bar attachment base, passes through spiral shell
Bolt adjusts threshing toothed bar attachment base and supports the relative position of width disk to adjust cylinder diameter of beater, such as contains the threshing of Yonghe County's invention
Link block of the roller (CN201310018906.1) below support width disk and threshing toothed bar is equipped with adjustment hole, and the two passes through bolt
Nut screws on, and when needing to adjust cylinder diameter of beater, need to looser a bolt and nut and extract bolt out, mobile link block is in support width
Position on disk adjusts detachment roller diameter, and such method needs to adjust the link block below every threshing toothed bar, and one
Several link blocks below threshing toothed bar need while adjusting fixation, complicated for operation, time and effort consuming.
Utility model content
To solve the existing cumbersome difficulty of combine cylinder diameter adjustment, in harvest different geographical, kind cereal
When, cylinder-concave clearance, threshing element linear velocity are single, are not able to satisfy the best harvest condition of each cereal, cause combined harvester de-
Grain function adaptability is poor, the problems such as transaction capabilities are unstable, and providing easily and efficiently step-less adjustment cylinder diameter of beater to take off
Grain roller, makes combined harvester that can adjust threshing diameter according to the actual situation when harvesting different cultivars cereal, improves its harvest
Adaptability, operation stability, and the threshing quality of very high cereal, reduce the total loss rate of cereal.
This hair utility model is to realize above-mentioned technical purpose by following technological means.
A kind of adjustable threshing cylinder of threshing diameter, which is characterized in that including threshing cylinder, diameter regulating device, transmission
Device, self-locking device,
The threshing cylinder includes drum shaft, along the feeding direction successively feeding-wheel on the drum shaft, preceding from front to back
Width disk, rear support width disk are supported, front support width disk, the threshing toothed bar on rear support width disk are mounted on；
The diameter regulating device includes constant velocity spiral disk, claw connecting rod, and two constant velocity spiral disks are mounted in drum shaft
On, it is located at front support width disk, rear support width disk inside, can be rotated with front support width disk, rear support width disk；It is described
The disk of constant velocity spiral disk is equipped with flat thread, and one end of several claw connecting rods is equipped with screw thread and and constant velocity spiral
The flat thread of disk engages, and the other end is connect with threshing toothed bar；
The transmission device mainly includes loaded on the first planetary gear set inside and outside rear support width disk, the second planet
Gear set, loaded on the gear on the inside of front support width disk, first planetary gear set, the sun gear of the second planetary gear set and gear are equal
On drum shaft, and the sun gear of first planetary gear set, gear are connect with constant velocity spiral disk by spline housing, the first row
Pass through connection sleeve connection, the row of first planetary gear set, the second planetary gear set between the sun gear and gear of star gear set
Star-wheel passes through the connection axis connection through rear support width disk；
The self-locking device includes can be with the ratchet mechanism, ratchet tripper and adjusting that drum shaft rotates together with
Disk, ratchet tripper can push pawl aside, and ratchet, the adjustment disk of the ratchet mechanism pass through flat key set and the second planet tooth
The sun gear of wheel group connects.
The spline housing, connection sleeve, flat key set is concentric with drum shaft and covers on drum shaft.
Further, the ratchet mechanism includes ratchet, pawl, self-locking spring, and the ratchet is mounted on rear support width disk
Outside, in ratchet two sides, pawl and ratchet are intermeshed for pawl setting, and self-locking spring one end is fixed, the other end and pawl connect
It connects；
The ratchet tripper includes adjusting rod, from lock collar, described to be located on the outside of adjustment disk from lock collar and pass through bolt
It is fixed with drum shaft, the adjustment disk is equipped with radial straight line notch, is equipped with arc-shaped slot, the straight line notch from lock collar
There is Chong Die point with arc-shaped slot, the adjusting rod is located at straight line notch point overlapping with arc-shaped slot and through adjustment disk
With from lock collar, adjusting rod one end and detent contact, when self-locking disc spins, straight line notch and arc-shaped slot can drive tune jointly
Pole pushes pawl aside.
Further, the constant velocity spiral disk diameter is 150~160mm, and the disk of the constant velocity spiral disk is equipped with flat
Face screw thread is Archimedes spiral.
Further, the diameter regulating device further includes position-arresting disk, and two position-arresting disks are on drum shaft and divide
Not Wei Yu front support width disk and rear support width disk inside.
Further, multiple drum notches are uniformly provided on the position-arresting disk, the claw connecting rod runs through the I-groove
Mouthful, and claw connecting rod two sides are drum guide rail structure.
Further, bearing is equipped between the connecting shaft and position-arresting disk and/or rear support width disk.
Further, the threshing cylinder further includes that the threshing toothed bar being mounted below threshing toothed bar reinforces grid, described de-
Grain ratch is reinforced between grid and two sides claw connecting rod, threshing toothed bar by being welded and fixed.
Further, further include dust excluding plate, the dust excluding plate is fixed on rear support width disk rear, the dust excluding plate two sides with
And protective cover is equipped between dust excluding plate and adjustment disk.
Further, the ratchet mechanism includes handle ratchet wheel, pawl, and the handle ratchet wheel is mounted on the outer of rear support width disk
Side, pawl are arranged on the inside of handle ratchet wheel, and pawl and handle ratchet wheel are intermeshed；Installation and adjustment handrail on the outside of the handle ratchet wheel；It is described
Ratchet tripper includes from lockwheel, locks bolt, described to be located on the outside of handle ratchet wheel from lockwheel, covers on drum shaft and passes through lock
Dead bolt is fixed with drum shaft, and pawl is fixed on described from lockwheel end face.
A kind of combine harvester is equipped with the adjustable threshing cylinder of threshing diameter.
The adjustable roller of threshing diameter of the present invention, the diameter regulating device, transmission device, self-locking in threshing course
Device rotates under the drive of drum shaft with threshing cylinder, first after shutdown when needing to adjust the diameter of threshing cylinder
First adjusting from lock collar makes adjusting rod flick pawl, rotates adjustment disk by adjustment disk handrail later, and adjustment disk passes through flat key cuff
Sun gear and planetary gear set on the outside of dynamic ratchet and rear support width disk rotate, and the planetary gear on the outside of rear support width disk passes through connecting shaft
It drives and is rotated with the planetary gear on the inside of rear support width disk, this planetary gear drives the sun gear rotation on the inside of rear support width disk, this is too
Sun wheel is driven in the constant velocity spiral disk and front support width disk that are located on the inside of rear support width disk respectively by spline housing and connection sleeve
The sun gear of side rotates, and a pair of of sun gear drives a pair of of constant velocity spiral disk rotation, the rotation of constant velocity spiral disk by spline housing respectively
Claw connecting rod can be driven along position-arresting disk notch, i.e. threshing cylinder is radial, moves back and forth, to realize the tune of cylinder diameter of beater
Section.Guarantee the operation stability of threshing cylinder by the second level self-locking mechanism in self-locking device simultaneously.
The beneficial effects of the utility model are:
In the utility model, the regulative mode for adjusting drum threshing diameter is convenient and efficient, and adjustment disk need to be only rotated after shutdown
On adjustable handrail, the adjusting of drum threshing diameter can be realized, do not need to dismantle every threshing toothed bar, than traditional
Drum threshing diameter has grade regulative mode more flexible, can be mentioned according to cereal actual conditions when combined harvester is in farm work
It is preceding that step-less adjustment is carried out to cylinder diameter of beater, so that threshing element linear velocity and cylinder-concave clearance is reached desired value, connection is greatly improved
Close the adaptability and efficiency of crop of cropper.
Ratchet and pawl formation level-one one direction in self-locking device is self-locking, i.e., revolving speed is got in threshing cylinder rotation process
Fastly, lock it is more effective, while adjustment disk, adjusting rod with to complement each other to form second level from lock collar self-locking, i.e. threshing cylinder stops turn
After dynamic, adjusting from lock collar makes adjusting rod flick pawl, then adjusts threshing diameter by adjustment disk, and self-locking device uses second level certainly
Lock mode can effectively ensure that the self-locking property after cylinder diameter of beater is adjusted, to guarantee the operation stability of threshing cylinder.
By effectively controlling the threshing diameter of roller, the conveying handling capacity of material is improved, the blocking of material is avoided；
Transmission device and diameter regulating device are installed using drum shaft as axle center simultaneously and fixed, self-locking device is mounted on threshing cylinder tail
The dynamic balance stability of threshing cylinder has been effectively ensured in portion, and the roller dynamic balancing because caused by increasing adjustment equipment will not occur
The problems such as unstable.
In the utility model, threshing cylinder each section is subjected to modularization segmentation, the connection relationship between each component
By detachable connection, as the connection between diameter regulating device, transmission device, self-locking device and threshing cylinder can be for can
It is detachably connected with；And diameter regulating device, transmission device, self-locking device and respective components can also be detachable company
It connects；So that each component of this product can be designed independently of each other, produces, transports, repairs and be replaced, assembling, disassembly mode be simple,
And it is easy to operate, and the time of assembly and disassembly is less, and the production cost and use cost of each component is greatly saved.
Detailed description of the invention
Fig. 1 is the adjustable threshing roller structure schematic diagram of threshing diameter.
Fig. 2 is the adjustable threshing roller structure cross-sectional view of threshing diameter.
Fig. 3 is the main view of diameter regulating device and transmission device.
Fig. 4 is rear support width disk two sides transmission device and diameter regulating device assembly relation cross-sectional view.
Fig. 5 is transmission device and self-locking device assembly relation cross-sectional view.
Fig. 6 is transmission device, diameter regulating device, self-locking device entirety assembly relation cross-sectional view.
Fig. 7 is the structure chart of the first embodiment of self-locking device.
Fig. 8 is the installation diagram of self-locking device the first embodiment and planetary gear set.
Fig. 9 is the installation diagram that threshing toothed bar and threshing toothed bar reinforce grid.
Figure 10 is the structure chart of second of embodiment of self-locking device.
Figure 11 is the sectional view of second of embodiment of self-locking device.
In figure,
101. feeding-wheel, 102. front support width disks, 103. rear support width disks, 104. threshing toothed bars, 105. threshing toothed bars add
Strong grid, 106. drum shafts, 201. constant velocity spiral disks, 202. claw connecting rods, 203. position-arresting disks, 204. dust covers, 301. sun gears,
302. planetary gears, 303. spline housings, 304. connection sleeves, 305 flat key sets, 306. connecting shafts, 307- gear, 401. dust excluding plates,
402. ratchets, 403. pawls, 404. self-locking springs, 405. adjusting rods, 406. adjustment disks, 407. from lock collar, 408. adjustable handrails,
409. handle ratchet wheels, 410. from lockwheel, 411. locked bolts.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further described the utility model, but the guarantor of the utility model
Shield range is not limited to this.
As shown in Fig. 1~2, the adjustable threshing cylinder of threshing diameter described in the utility model, including threshing cylinder, diameter
Regulating device, transmission device, self-locking device, diameter regulating device are located inside threshing cylinder, are separately mounted to threshing cylinder two
On the inside of the support width disk at end and symmetrically, self-locking device is located at detachment roller tail portion, is mounted on threshing cylinder rear support width disk
103 outsides.
The threshing cylinder includes drum shaft 106, along the successively feeding on drum shaft 106 from front to back of feeding direction
101, front support width disk 102, rear support width disk 103 are taken turns, front support width disk 102, the threshing tooth on rear support width disk 103 are mounted on
Bar 104, welding threshing toothed bar reinforces grid 105 below threshing toothed bar 104.
As shown in Figure 3, Figure 4, the diameter regulating device includes constant velocity spiral disk 201, claw connecting rod 202, position-arresting disk
203.Two position-arresting disks 203 are on drum shaft 106 and are located at front support width disk 102 and rear support width disk 103
Inside.The disk of the constant velocity spiral disk 201 is equipped with flat thread, and 201 diameter of constant velocity spiral disk is 150~160mm,
It is Archimedes spiral that the disk of the constant velocity spiral disk 201, which is equipped with flat thread,.Two constant velocity spiral disks 201 are mounted in
On drum shaft 106, it is located at front support width disk 102,103 inside of rear support width disk, and be located at 203 inside of position-arresting disk, it can
It is rotated with front support width disk 102, rear support width disk 103.Multiple drum notches, institute are uniformly provided on the position-arresting disk 203
Claw connecting rod 202 is stated through the drum notch, and 202 two sides of claw connecting rod are drum guide rail structure, several claws connect
Bar 202 runs through position-arresting disk 203, the guide rail structure of the I-groove mouth formation cooperation of claw connecting rod 202 and position-arresting disk 203.Several institutes
202 one end of claw connecting rod is stated to be equipped with screw thread and engage with the flat thread of constant velocity spiral disk 201, the other end and threshing toothed bar
104 connections.
The specific mounting means of diameter regulating device are as follows: claw connecting rod 202 is close to support width disk, and claw connecting rod 202 has
Towards on the inside of threshing cylinder, constant velocity spiral disk 201 is engaged by thread groove with claw connecting rod 202 for thread groove side；The sun
Wheel 301 is coaxial with constant velocity spiral disk 201, is connected between the two by spline housing 303,202 outermost of claw connecting rod and threshing tooth
Bar 104 and threshing toothed bar reinforce grid 405 by being welded and fixed.
The transmission device mainly include loaded on inside and outside rear support width disk 103 first planetary gear set, second
Planetary gear set, loaded on the gear 307 on the inside of front support width disk 102, the sun gear 301 in the planetary gear set is provided with 3
A planetary gear 302, as shown in Figure 3.First planetary gear set, the sun gear 301 of the second planetary gear set and gear 307 are mounted in
On drum shaft 106, and the sun gear 301 of first planetary gear set, gear 307 pass through spline housing 304 with constant velocity spiral disk 201
Connection is connected between the sun gear 301 and gear 307 of first planetary gear set by connection sleeve 304, first planetary gear
Group, the second planetary gear set planetary gear 302 by through rear support width disk 103 connecting shaft 306 connect, as shown in figure 4, two
Planetary gear 302 in group planetary gear set passes through the connection transmitting torque of connecting shaft 306.The connecting shaft 306 and position-arresting disk 203
And/or bearing is equipped between rear support width disk 103.
The self-locking device includes can be with the ratchet mechanism, ratchet tripper and adjustment disk that drum shaft rotates together with
406, ratchet tripper can push pawl 403 aside, the ratchet of the ratchet mechanism, adjustment disk 406 by flat key set 305 with
The sun gear 301 of second planetary gear set connects.
Fig. 5-Fig. 7 is shown, the first embodiment of the self-locking device, the ratchet mechanism includes ratchet 402, spine
Pawl 403, self-locking spring 404, the ratchet 402 are mounted on the outside of rear support width disk 103, and pawl 403 is arranged at 402 liang of ratchet
Side, pawl 403 and ratchet 402 are intermeshed, and 404 one end of self-locking spring is fixed, the other end and pawl 403 connect, self-locking spring
404 tense pawl 403.The ratchet tripper includes adjusting rod 405, from lock collar 407, and tune is equipped with from lock collar 407
Section handrail 408 described from lock collar 407 is located at the outside of adjustment disk 406 and by bolt and the fixation of drum shaft 106, the adjustment disk
406 are equipped with radial straight line notch, are equipped with arc-shaped slot from lock collar 407, the straight line notch and arc-shaped slot have weight
Folded point, the adjusting rod 405 are located at straight line notch point overlapping with arc-shaped slot and run through adjustment disk 406 and from lock collar
407.The adjusting rod 405 is a pair of bolts, and two adjusting rods, 405 one end can be contacted with two pawls 403 respectively, and the other end is self-locking
It is screwed on the outside of disk 407 by nut.Cooperating from lock collar 407 and adjustment disk 406, it is locked to carry out second level to adjusting rod 405.?
In roller one direction rotation process, it is locked that pawl 403 carries out level-one to ratchet 402.When being rotated from lock collar 407, straight line notch
Adjusting rod 405 can be driven jointly with arc-shaped slot, and rotation can make adjusting rod 405 along the straight-line groove of adjustment disk 406 from lock collar 407
Mouth moves back and forth, and mobile adjusting rod 405 can push pawl 403 aside, and pawl 403 and ratchet 402 is made to separate the locked mode of releasing.
It is equipped with protective cover on the inside of adjustment disk 406, cooperates with the protective cover at 401 rear of dust excluding plate and ensures the inside ratchet
402, the normal work of pawl 403, adjusting rod 405,406 outer ring of adjustment disk are adjustable handrail.
Rotation adjustment disk 406 can drive ratchet 402 and sun gear 301 while rotate；Positioned at 102 inside of front support width disk
Gear 307, first planetary gear set sun gear 301 between torque transmitted by connection sleeve 304, adjustment disk 406 passes through
Transmission device can drive diameter regulating device to operate.
Shown in Fig. 6, the dust excluding plate 401 is fixed on 103 rear of rear support width disk, passes through bolt with rear support width disk 103
Connection.As shown in Fig. 7~8, the ratchet 402 is mounted on 401 rear of dust excluding plate, between ratchet 402 and sun gear 301,
401 two sides of dust excluding plate are equipped with protective cover.Two pawls 403 are located in the protective cover of dust excluding plate 401, symmetrically.
As shown in figure 9, threshing toothed bar, which reinforces grid 105, is located at 104 lower section of threshing toothed bar, threshing toothed bar 104 and two sides claw
By being welded and fixed between connecting rod 202, threshing toothed bar is reinforced equally solid by welding between grid 105 and two sides claw connecting rod 202
It is fixed, while threshing toothed bar 104 and threshing toothed bar are reinforced between grid 105 by being welded and fixed.
The adjustable threshing cylinder specific work process of threshing diameter are as follows: according to not during combined harvester harvesting
When needing to adjust the diameter of threshing cylinder with situation, adjust from lock collar 407 makes adjusting rod 405 flick pawl 403, Zhi Houtong first
Disk handrail rotation adjustment disk 406 is overregulated, adjustment disk 406 is driven outside ratchet 402 and rear support width disk 103 by flat key set 305
The sun gear 301 and planetary gear 302 of the second planetary gear set of side rotate, and the planetary gear 302 of the second planetary gear set passes through connection
Axis 306 drives to be rotated with the planetary gear 302 of the first planetary gear set of the inside of rear support width disk 103, this planetary gear 302 drives the
The sun gear 301 of one planetary gear set rotates, and the sun gear 301 of this first planetary gear set passes through spline housing 303 and connector sleeve
Cylinder 306 drives the gear 307 of 102 inside of the constant velocity spiral disk 201 for being located at 103 inside of rear support width disk and front support width disk respectively
Rotation, gear 307 drive the constant velocity spiral disk 201 positioned at front support width Pan102Chu to rotate by spline housing 303, constant velocity spiral
The rotation of disk 201 can drive drum notch of the claw connecting rod 202 along position-arresting disk 203, radially move back and forth in threshing cylinder, thus
Realize the adjusting of cylinder diameter of beater.Spine when needing to lock drum threshing diameter after threshing diameter adjustment, in self-locking device
Wheel 402 can form that level-one one direction is self-locking, i.e., revolving speed is faster in threshing cylinder rotation process with pawl 403, locked more effective.
Adjustment disk 406, adjusting rod 405 and to complement each other to form second level from lock collar 407 self-locking, i.e., ought need to adjust threshing diameter again
When, after threshing cylinder stops operating, adjusting from lock collar 407 makes adjusting rod 405 flick pawl 403, is then adjusted by adjustment disk 406
Threshing diameter is saved, self-locking device uses second level self-locking manner, it can effectively ensure that the self-locking property after cylinder diameter of beater is adjusted, from
And guarantee the operation stability of threshing cylinder.
Figure 10, Figure 11 show second of embodiment of the self-locking device, and the handle ratchet wheel 409 is mounted on rear support
The outside of width disk 103,409 center of handle ratchet wheel is equipped with keyway, and connect with flat key set 305, and the pawl 403 is located at handle ratchet wheel
409 insides, are mounted on from 410 two sides of lockwheel, described to be located on the outside of handle ratchet wheel 409 from lockwheel 410, cover on drum shaft 106 simultaneously
It is fixed by locked bolt 411 and drum shaft 106, from lockwheel 410 it is locked after, be in lockable from the pawl 403 in lockwheel 410
Ratchet 409, regulating device can be locked effectively in roller one direction rotation process, when needing to adjust diameter of cylinder, be unclamped
Self-locking screw 411, handle ratchet wheel 409 and from lockwheel 410 i.e. can be rotated, diameter of cylinder is adjusted with this.
The embodiment is the preferred embodiment of the utility model, but the utility model is not limited to above-mentioned embodiment party
Formula, without departing substantially from the substantive content of the utility model, those skilled in the art can be made any apparent
Improvement, replacement or modification belong to the protection scope of the utility model.
Claims (10)
1. a kind of adjustable threshing cylinder of threshing diameter, which is characterized in that including threshing cylinder, diameter regulating device, transmission dress
It sets, self-locking device,
The threshing cylinder includes drum shaft (106), along the successively feeding on drum shaft (106) from front to back of feeding direction
(101), front support width disk (102), rear support width disk (103) are taken turns, front support width disk (102), rear support width disk (103) are mounted on
On threshing toothed bar (104)；
The diameter regulating device includes constant velocity spiral disk (201), claw connecting rod (202), two constant velocity spiral disks (201)
On drum shaft (106), it is located at front support width disk (102), rear support width disk (103) inside, it can be with front support width
Disk (102), rear support width disk (103) rotate together；The disk of the constant velocity spiral disk (201) is equipped with flat thread, several
One end of claw connecting rod (202) is equipped with screw thread and engages with the flat thread of constant velocity spiral disk (201), the other end and threshing
Ratch (104) connection；
The transmission device includes loaded on the first planetary gear set inside and outside rear support width disk (103), the second planet tooth
Wheel group, loaded on the gear (307) on the inside of front support width disk (102), the sun gear of first planetary gear set, the second planetary gear set
(301) and gear (307) is on drum shaft (106), and the sun gear (301) of first planetary gear set, gear (307) are equal
Connect with constant velocity spiral disk (202) by spline housing (303), the sun gear (301) of first planetary gear set and gear (307) it
Between by connection sleeve (304) connection, first planetary gear set, the second planetary gear set planetary gear (302) by running through after
Support connecting shaft (306) connection of width disk (103)；
The self-locking device includes can be with the ratchet mechanism, ratchet tripper and adjustment disk that drum shaft rotates together with
(406), ratchet tripper can be pushed aside pawl (403), and ratchet (402), the adjustment disk (406) of the ratchet mechanism pass through
Flat key set (305) is connect with the sun gear (301) of the second planetary gear set；
The spline housing (303), connection sleeve (304), flat key set (305) is concentric with drum shaft (106) and covers in drum shaft
(106) on.
2. the adjustable threshing cylinder of threshing diameter according to claim 1, it is characterised in that: the ratchet mechanism includes spine
(402), pawl (403), self-locking spring (404) are taken turns, the ratchet (402) is mounted on the outside of rear support width disk (103), pawl
(403) in ratchet (402) two sides, pawl (403) and ratchet (402) are intermeshed for setting, self-locking spring (404) one end fixes,
The other end is connect with pawl (403)；
The ratchet tripper includes adjusting rod (405), from lock collar (407), described to be located at adjustment disk from lock collar (407)
(406) on the outside of and fixed by bolt and drum shaft (106), the adjustment disk (406) is equipped with the straight line notch of radial direction, from
Lock collar (407) is equipped with arc-shaped slot, and the straight line notch has Chong Die point with arc-shaped slot, and the adjusting rod (405) is located at
At straight line notch point overlapping with arc-shaped slot and through adjustment disk (406) and from lock collar (407), adjusting rod (405) one end with
Pawl (403) contact, when rotating from lock collar (407), straight line notch and arc-shaped slot can drive adjusting rod (405) to dial jointly
Open pawl (403).
3. the adjustable threshing cylinder of threshing diameter according to claim 1, it is characterised in that: the constant velocity spiral disk
(201) diameter is 150~160mm, and it is Archimedes spiral that the disk of the constant velocity spiral disk (201), which is equipped with flat thread,.
4. the adjustable threshing cylinder of threshing diameter according to claim 1, it is characterised in that: the diameter regulating device is also
Including position-arresting disk (203), two position-arresting disks (203) are on drum shaft (106) and are located at front support width disk
(102) and the inside of rear support width disk (103).
5. the adjustable threshing cylinder of threshing diameter according to claim 4, it is characterised in that: on the position-arresting disk (203)
Multiple drum notches are uniformly provided with, the claw connecting rod (202) runs through the drum notch, and claw connecting rod (202) two sides are
Drum guide rail structure.
6. the adjustable threshing cylinder of threshing diameter according to claim 4, it is characterised in that: the connecting shaft (306) with
Bearing is equipped between position-arresting disk (203) and/or rear support width disk (103).
7. the adjustable threshing cylinder of threshing diameter according to claim 1, it is characterised in that: the threshing cylinder further includes
It is mounted on the threshing toothed bar below threshing toothed bar (104) and reinforces grid (105), the threshing toothed bar reinforces grid (105) and two sides card
By being welded and fixed between pawl connecting rod (202), threshing toothed bar (104).
8. the adjustable threshing cylinder of threshing diameter according to claim 1, it is characterised in that: it further include dust excluding plate (401),
The dust excluding plate (401) is fixed on rear support width disk (103) rear, dust excluding plate (401) two sides and dust excluding plate (401) with
Adjustment disk is equipped with protective cover between (406).
9. the adjustable threshing cylinder of threshing diameter according to claim 1, which is characterized in that the ratchet mechanism includes interior
Ratchet (409), pawl (403), the handle ratchet wheel (409) are mounted on the outside of rear support width disk (103), pawl (403) setting
On the inside of handle ratchet wheel (409), pawl (403) and handle ratchet wheel (409) are intermeshed；Installation and adjustment on the outside of the handle ratchet wheel (409)
Handrail (408)；
The ratchet tripper includes from lockwheel (410), locks bolt (411), described to be located at handle ratchet wheel from lockwheel (410)
(409) outside covers on drum shaft (106) and is fixed by locked bolt (411) and drum shaft (106), and pawl (403) is fixed
Described from lockwheel (410) end face.
10. a kind of combine harvester, which is characterized in that adjustable de- equipped with threshing diameter described in any one of claim 1-9
Grain roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821112216.7U CN208402545U (en) | 2018-07-13 | 2018-07-13 | A kind of adjustable threshing cylinder of threshing diameter and combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821112216.7U CN208402545U (en) | 2018-07-13 | 2018-07-13 | A kind of adjustable threshing cylinder of threshing diameter and combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208402545U true CN208402545U (en) | 2019-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821112216.7U Withdrawn - After Issue CN208402545U (en) | 2018-07-13 | 2018-07-13 | A kind of adjustable threshing cylinder of threshing diameter and combine harvester |
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| Country | Link |
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| CN (1) | CN208402545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925248A (en) * | 2018-07-13 | 2018-12-04 | 江苏大学 | A kind of adjustable threshing cylinder of threshing diameter and combine harvester |
| CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
-
2018
- 2018-07-13 CN CN201821112216.7U patent/CN208402545U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925248A (en) * | 2018-07-13 | 2018-12-04 | 江苏大学 | A kind of adjustable threshing cylinder of threshing diameter and combine harvester |
| CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
| CN112189455B (en) * | 2020-09-30 | 2021-08-03 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20191105 |