CN112293064B - Concave plate sieve and threshing cylinder gap adjusting device for grain harvester - Google Patents
Concave plate sieve and threshing cylinder gap adjusting device for grain harvester Download PDFInfo
- Publication number
- CN112293064B CN112293064B CN202011309912.9A CN202011309912A CN112293064B CN 112293064 B CN112293064 B CN 112293064B CN 202011309912 A CN202011309912 A CN 202011309912A CN 112293064 B CN112293064 B CN 112293064B
- Authority
- CN
- China
- Prior art keywords
- welding piece
- rod
- shaft
- adjusting
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 claims description 129
- 230000001105 regulatory effect Effects 0.000 claims description 28
- 210000000078 claw Anatomy 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/28—Devices for adjusting the concaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/24—One-part threshing concaves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The utility model provides a concave plate sieve and threshing cylinder clearance adjusting device for grain harvester, includes that the regulation pole subassembly that sets up in the threshing chamber, sets up in the driver's cabin controls the subassembly to and connect the link assembly between adjusting the pole subassembly and controlling the subassembly, can carry out two kinds of regulations of coarse adjustment and fine setting to harvester concave plate sieve and threshing cylinder clearance, two kinds of regulation modes cooperation can realize concave plate sieve and threshing cylinder clearance "stepless" regulation in certain within range. According to the gap adjusting device for the concave plate sieve and the threshing cylinder for the grain harvester, disclosed by the invention, a user can adjust the gap between the concave plate sieve and the threshing cylinder of the harvester according to the requirements of harvesting different crops, the operation is simple and quick, the stepless adjustment of the gap between the concave plate sieve and the threshing cylinder can be realized within a certain range, the differential adjustment of the gap between the concave plate sieve and the inlet and the outlet of the threshing cylinder of the harvester can be realized, the operation performance is improved, and the multiple functions of the harvester are realized.
Description
Technical Field
The invention relates to the technical field of harvesters, in particular to a gap adjusting device for a concave plate sieve and a threshing cylinder for a grain harvester.
Background
In the prior art, a threshing device of a grain harvester product mainly comprises a threshing cylinder and a concave plate sieve. The concave plate sieve and the threshing cylinder cooperate to not only finish threshing the grains, but also primarily sieve the threshed grain mixture. However, different types of crops require different gaps between the concave sieve and the threshing cylinder. Therefore, in order to meet the harvesting requirements of different crops, the gap between the concave plate sieve and the threshing cylinder is required to be conveniently and rapidly adjusted, and the stepless adjustment of the threshing gap can be preferably realized within a certain range so as to meet the harvesting operation of the harvester on different crops under different operation conditions. And under specific conditions, the inlet gap and the outlet gap between the concave plate sieve and the threshing cylinder can be regulated in a differentiated mode, so that the operation performance is improved, and the requirements of different users on the harvesting quality are met.
The national intellectual property office issued patent on day 08 and 03 of 2018: "a single longitudinal axial flow combine harvester capable of adjusting threshing gap", patent application number is: 201721705150.8, patent application date: day 08, 12 in 2017, bulletin number: CN207678329U. The invention discloses a single longitudinal axial flow combine harvester capable of adjusting threshing gaps, which comprises a harvester main body, a roller and a threshing concave plate; the harvester comprises a harvester main body, wherein the front end of the harvester main body is fixedly provided with a clamping shaft and a gap adjusting mechanism, and the clamping shaft comprises two clamping shafts which are horizontally and parallelly arranged along the axial direction of a threshing concave plate; threshing concave plate, its radial one end has outside turn-ups structure, and turn-ups structure is arranged in the clearance of two clamping shafts, and threshing concave plate can rotate along the clamping shaft of below, and threshing concave plate radial other end is equipped with the fixed plate along its axial, equipartition on the fixed plate have a plurality of rather than articulated first link mechanism, and a plurality of first link structures's upper end is fixed with same regulation rocking arm, is fixed with second link mechanism on the regulation rocking arm, and second link mechanism is articulated with clearance adjustment mechanism. The patent can solve the problem of gap adjustment between the harvester roller and the threshing concave. The device has the defects that the adjusting process is complex, the gap between the roller and the threshing concave can not be quantitatively adjusted for harvesting different crops, and the inlet gap and the outlet gap between the concave sieve and the threshing roller can not be respectively adjusted.
In order to overcome the defects, it is necessary to develop a concave plate sieve and threshing cylinder gap adjusting device which is convenient and quick to adjust, can realize stepless adjustment of threshing gap in a certain range and can differentially adjust inlet gap and outlet gap between the concave plate sieve and the threshing cylinder.
Disclosure of Invention
The technical purpose of the invention is as follows: the concave plate sieve and threshing cylinder gap adjusting device for the grain harvester has the advantages that a user can adjust the gap between the concave plate sieve and the threshing cylinder of the harvester according to the requirements of harvesting different crops, the operation is simple and quick, stepless adjustment of the gap between the concave plate sieve and the threshing cylinder can be realized within a certain range, the gap between the concave plate sieve and the inlet and the outlet of the threshing cylinder of the harvester can be differentially adjusted, the operation performance is improved, and one machine is multipurpose.
The invention aims to solve the technical problems, and adopts the technical scheme that: the concave plate sieve and threshing cylinder gap adjusting device for the grain harvester comprises an adjusting rod assembly arranged in a threshing chamber, an operating assembly arranged in a cab and a connecting rod assembly connected between the adjusting rod assembly and the operating assembly, wherein the adjusting rod assembly consists of a left adjusting rod assembly, a right adjusting rod assembly and two rear adjusting rod assemblies which are respectively arranged at four corners of a concave plate welding piece, the left adjusting rod assembly and the right adjusting rod assembly have the same structure and respectively comprise a hanging rod I and a hanging rod welding piece which are arranged at intervals up and down, an adjusting bolt capable of adjusting a gap between the hanging rod I and the hanging rod welding piece is further arranged between the bottom end of the hanging rod I and the top end of the hanging rod welding piece, the rear adjusting rod assembly comprises a hanging rod III and a hanging rod IV which are arranged at intervals up and down, an adjusting bolt capable of adjusting the gap between the hanging rod III and the hanging rod IV is also arranged between the top end of the hanging rod III and the bottom end of the hanging rod IV, the top ends of the hanging rod I and III are fixed through a pin shaft, so that the whole adjusting rod assembly is provided with two ends of the hanging rod I and III in the axial direction of the concave plate welding piece at the axial direction, and the two ends of the hanging rod I and III are capable of adjusting the adjusting bolt through the adjusting bolt which can be symmetrically arranged on the concave plate welding piece and the concave plate welding part;
The connecting rod assembly comprises a regulating rod shaft welding piece, a boom seat welding piece and a connecting rod, wherein a regulating rod shaft is arranged in the regulating rod shaft welding piece, one end of the regulating rod shaft is connected with a left regulating rod welding piece and a rear regulating rod welding piece which are fixed at the top end through pin shafts through the boom seat welding piece, the other end of the regulating rod shaft is fixed with one end of the connecting rod through a group of seat plates arranged on the outer surface of the regulating rod shaft, a group of seat plates are further arranged between the two ends of the regulating rod shaft, the group of seat plates are connected with a right regulating rod welding piece and a pin shaft of a rear regulating rod welding piece which are fixed at the top end through pin shafts, and the other end of the connecting rod is connected with the control assembly, so that the connecting rod can drive the regulating rod shaft welding piece and the boom seat welding piece to rotate under the action of the control assembly, and then the whole regulating rod assembly is driven to be adjusted up and down;
The threshing device comprises a control assembly and is characterized in that the control assembly comprises a rotating shaft welding piece, a toothed plate welding piece and a control handle welding piece, wherein one end of the rotating shaft welding piece is fixed with a connecting rod, the other end of the rotating shaft welding piece is connected to the tail end of the control handle welding piece, a toothed plate is arranged in the toothed plate welding piece and is arc-shaped, a plurality of meshing teeth are arranged on the outer circumference of the arc-shaped toothed plate, the control handle welding piece comprises a control tube, a support plate, a claw block and a pull rod, one end of the support plate is fixed to the outer wall surface of the control tube, the other end of the support plate is fixed with a shaft sleeve I, the shaft sleeve I is fixed to the tail end of the rotating shaft welding piece, an installation shaft for fixing a claw block is further arranged in a penetrating mode in the middle of the support plate, meshing teeth on the toothed plate can be meshed with the claw block in a fixed mode, the pull rod penetrates through the inside of the control tube, one end of the pull rod is connected to the claw block, the other end of the pull rod is connected with a button, and the button can mesh teeth on the toothed plate through the pull rod driving claw block on the toothed plate, and a threshing gap between the threshing drum and a concave sieve can be adjusted.
Preferably, the boom welding piece comprises a boom II and a folded plate, the folded plate is arranged at the top end of the boom II in a butt joint mode, and the folded plate is connected with the bottom end of the boom I through an adjusting bolt.
Preferably, the pin shaft is positioned through a cotter pin.
Preferably, the adjusting rod shaft is further provided with a mounting seat for fixing the adjusting rod shaft in the threshing chamber.
Preferably, the adjusting rod shaft welding piece comprises an adjusting rod shaft and two groups of seat boards, wherein a flat key groove is processed at one end of the adjusting rod shaft, the two groups of seat boards are sleeved at one end of the adjusting rod shaft, which is not provided with the flat key groove, each group of seat boards is composed of two seat boards I, two through holes are formed in each seat board I, one through hole is sleeved and fixed on the adjusting rod shaft, the other through hole is used for fixing one tail end of a pin shaft or a connecting rod at the top of the right adjusting rod combining piece and the rear adjusting rod combining piece, the through holes in the two seat boards I in the same group of seat boards are coaxially arranged, and an included angle of 45-135 degrees is formed between the central axes of the two groups of seat boards.
Preferably, the boom seat welding piece include axle sleeve II and fix two bedplate II on axle sleeve II lateral wall, processing has the flat key groove in axle sleeve II's hole, this flat key groove cooperates with the flat key groove on the governing lever axle and the flat key of peripheral hardware, realizes the locking between governing lever axle welding piece and the boom seat welding piece and fixes, bedplate II on seted up connecting hole, connecting hole on two bedplate II is all fixed at the round pin axle at left side governing lever welding piece and rear side governing lever welding piece top.
Preferably, the rotating shaft welding piece comprises a rotating shaft and two seat boards III, one end of the rotating shaft is provided with a flat key groove, the flat key groove can be matched and fixed with a shaft sleeve I in the operating handle welding piece, the two seat boards III penetrate through the other end of the rotating shaft, the seat boards III are provided with connecting through holes, and the connecting through holes on the two seat boards III are all fixed at the tail end of the connecting rod.
Preferably, the rotating shaft is also provided with a support and a support frame for fixing the rotating shaft in a cab, and the rotating shaft is also provided with an oil cup for supplying lubricating oil to the rotating shaft.
Preferably, in the rotating shaft welding piece, the operating tube is provided with a handle sleeve on the outer surface of one end of the operating tube, the button is connected with the pull rod through threads, a flat key groove is processed in an inner hole of the shaft sleeve I, an included angle of 30-60 degrees is formed between the central line of the flat key groove and the central axis of the operating tube, and a buffer spring is further connected between the claw block and the tail end of the operating tube.
Preferably, the toothed plate welding piece is connected to the support plate of the operating handle welding piece through a fixed support.
The invention has the beneficial effects that:
1. The gap adjusting device provided by the invention has two adjusting modes of rough adjustment and fine adjustment for the gap between the concave plate sieve and the threshing cylinder of the harvester, and the two adjusting modes are matched to realize stepless adjustment of the gap between the concave plate sieve and the threshing cylinder within a certain range. The coarse adjustment can be finished through the control handle at the position of the driving platform. If the clearance between the concave plate sieve and the threshing cylinder still cannot meet the use requirement through rough adjustment, the clearance between the concave plate sieve and the threshing cylinder can be adjusted to the standard of the use requirement through a fine adjustment method. The fine tuning method is realized by respectively adjusting the left adjusting rod assembly, the right adjusting rod assembly and the adjusting bolts between the two rear adjusting rod assemblies. The two adjustment modes of coarse adjustment and fine adjustment of the gap between the concave plate sieve and the threshing cylinder of the harvester can be complemented, so that stepless adjustment in a certain range is realized, the gap requirement of a user on the concave plate sieve and the threshing cylinder when harvesting different crops is met, and one machine is multipurpose.
2. The gap adjusting device has simple structure and convenient use, can enable a user to finish the automatic adjustment of the gap between the concave screen of the harvester and the threshing cylinder through the control handle at the position of the driving platform, and has simple and convenient operation and reliable and safe use.
3. According to the gap adjusting device, the left adjusting rod assembly, the right adjusting rod assembly and the adjusting bolts in the two rear adjusting rod assemblies are respectively adjusted, so that the differential adjustment of the gap between the concave plate sieve of the harvester and the inlet and outlet gaps of the threshing cylinder can be realized, the threshing separation performance is obviously improved, and the circulation smoothness of materials is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic representation of the result of a recess plate weld in accordance with the present invention;
FIG. 4 is a schematic view of the left adjusting lever assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the rear adjusting lever assembly of the present invention;
FIG. 6 is a schematic view of a adjuster rod shaft weld of the present invention;
FIG. 7 is a schematic view of a boom seat weld in accordance with the present invention;
FIG. 8 is a schematic view of a spin axis weld of the present invention;
FIG. 9 is a schematic view of the structure of the toothed plate weldment of the present invention;
FIG. 10 is a schematic view of the structure of the handle assembly of the present invention;
Reference numerals: 1. recess plate weldments, 1.1, side plates, 1.2, cross plates, 1.3, reinforcing middle plates, 1.4, recess plate screen bars, 1.5, baffle plates, 2, left side adjusting lever weldments, 2.1, boom weldments, 2.2, boom I, 2.3, adjusting bolts, 3, rear side adjusting lever weldments, 3.1, boom III, 3.2, boom IV, 4, right side adjusting lever weldments, 5, pin shafts, 6, adjusting lever shaft weldments, 6.1, adjusting lever shafts, 6.2, seat plate I, 7, boom seat weldments, 7.1, shaft sleeves II, 7.2, seat plate II, 8, mounting seats, 9, connecting rod, 10, rotating shaft welding piece, 10.1, rotating shaft, 10.2, seat board III, 11, support frame, 12, support, 13, toothed plate welding piece, 13.1, toothed plate, 13.2, mounting shaft, 14, fixed support, 15, operating handle welding piece, 15.1, operating support welding piece, 15.1.1, operating tube, 15.1.2, support plate, 15.1.3, shaft sleeve I, 15.1.4, mounting shaft, 15.2, claw piece, 15.3, pull rod, 15.4, button, 15.5, buffer spring, 15.6, handle sleeve, 16, set screw, 17, oil cup.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and to specific examples:
Example 1
As shown in fig. 1 to 10, a concave screen and threshing cylinder gap adjusting device for a grain harvester comprises: concave plate weldment 1, left side adjusting lever weldment 2, rear side adjusting lever weldment 3, right side adjusting lever weldment 4, pin 5, adjusting lever shaft weldment 6, boom seat weldment 7, mount pad 8, connecting rod 9, rotating shaft weldment 10, support frame 11, support 12, toothed plate weldment 13, fixed bolster 14, operating handle weldment 15, set screw 16, oil cup 17 and a plurality of bolts, nuts, flat keys, gaskets, cotter pins, etc. The left adjusting rod assembly 2, the right adjusting rod assembly 4 and the two rear adjusting rod assemblies 3 are respectively arranged at four corners of the concave plate welding assembly 1, and the left adjusting rod assembly 2 and one rear adjusting rod assembly 3 are fixedly connected to the left side of the concave plate welding assembly 1 through bolts; the right adjusting lever assembly 4 and one rear adjusting lever assembly 3 are fixedly connected to the right side of the recess plate bonding member 1 by another bolt. The boom seat welding piece 7 is connected with the left adjusting rod welding piece 2 positioned at the left side of the concave plate welding piece 1 and the rear adjusting rod welding piece 3 through a pin shaft 5, and is positioned by an cotter pin; the adjusting rod shaft welding piece 6, the right adjusting rod welding piece 4 positioned on the right side of the concave plate welding piece 1 and the rear adjusting rod welding piece 3 are connected through a pin shaft 5 and are positioned by cotter pins. Two mounting seats 8 are arranged on the left side and the right side of the adjusting rod shaft welding piece 6 and are fixedly connected on the left side wall and the right side wall of the threshing chamber respectively through bolts; the adjusting rod shaft welding piece 6 penetrates through the hanging rod seat welding piece 7 to be connected, and is fixed through a gasket, a bolt and a flat key;
The adjusting rod shaft welding piece 6 and the rotating shaft welding piece 10 are connected through two pin shafts 5 by using a connecting rod 9 and are positioned by using cotter pins and gaskets; the support frame 11 is connected to the rotary shaft welding piece 10, and the support frame 11 is fixedly connected to the rear side wall of the cab through bolts; the operating handle assembly 15 is connected to the rotating shaft assembly 10 and is fixed by a set screw 16 and a flat key; fixedly connecting an oil cup 17 in a preset threaded hole on the control handle assembly 15 for supplying lubricating oil; the support 12 is connected to the rotary shaft welding piece 10, the support 12 is fixedly connected to the rear side wall of the cab through bolts, and the rotary shaft welding piece 10 and the support 12 are positioned through gaskets and nuts; the toothed plate welding piece 13 is connected to the operating handle welding piece 15 through a fixed bracket 14, and the fixed bracket 14 is fixedly connected with the operating handle welding piece 15 through a bolt; a mounting seat 8 is connected to a toothed plate welding piece 13, and the mounting seat 8 and an indoor bracket are fixedly connected by bolts.
Among the above components, the recess plate bonding member 1 includes: side plates 1.1, transverse plates 1.2, a reinforced middle plate 1.3, concave plate screen bars 1.4 and baffle plates 1.5; the two side plates 1.1, the ten transverse plates 1.2 and the four reinforcing middle plates 1.3 are fixedly connected, forty-two concave plate screen bars 1.4 sequentially pass through holes on the fixedly connected ten transverse plates 1.2 respectively, and finally two baffle plates 1.5 are fixedly connected on the two outermost transverse plates 1.2 respectively. The concave plate welding piece 1 can be matched with the threshing cylinder to thresh and separate different crops by adjusting the gap between the concave plate welding piece 1 and the threshing cylinder.
The left adjusting lever assembly 2 includes: boom weldment 2.1, boom I2.2, adjusting bolt 2.3; the boom weldment 2.1 comprises: boom II 2.1.1 and folded plate 2.1.2; the boom II 2.1.1 and the folded plate 2.1.2 are fixedly connected to form an L-shaped boom welding piece 2.1 with a downward opening, and then the boom welding piece 2.1 is connected with the boom I2.2 through an adjusting bolt 2.3 and is positioned by a nut. The left adjusting rod assembly 2 mainly adjusts the gap between the concave screen and the threshing cylinder by pulling the left front part of the concave welding assembly 1.
The right adjusting lever assembly 4 has the same structure as the left adjusting lever assembly 2, and the right adjusting lever assembly 4 adjusts the gap between the concave screen and the threshing cylinder by pulling the right front part of the concave plate welding assembly 1.
The rear side adjustment lever assembly 3 includes: boom III 3.1, boom IV 3.2, adjusting bolt 2.3; the hanger rods III 3.1 and IV 3.2 are connected by adjusting bolts 2.3 and are positioned by nuts. The two rear side adjusting rod closing pieces 3 respectively adjust the gap between the concave screen and the threshing cylinder by pulling the left and right sides of the rear part of the concave plate welding piece 1.
The adjustment lever shaft welding member 6 includes: a regulating rod shaft 6.1 and a seat board I6.2; wherein a flat key groove is processed on the adjusting rod shaft 6.1; two through holes are formed in each seat board I6.2, every two of the four seat boards I6.2 are divided into a group, one through hole of the first group of two seat boards I6.2 passes through one end of the adjusting rod shaft 6.1 without a flat key groove and then is fixedly connected, the other through holes on the two seat boards I6.2 after fixedly connected are coaxial, and a connecting line of the centers of the two through holes on the group of two seat boards I6.2 and the center line of the flat key groove of the adjusting rod shaft 6.1 form an included angle of 180 degrees; and then one through hole of the second group of two seat boards I6.2 passes through one end of the adjusting rod shaft 6.1 without a flat key groove, the second group is closer to a shaft head at one end of the adjusting rod shaft without the flat key groove than the first group, then the second group is fixedly connected, the other through holes on the two seat boards I6.2 after the fixedly connected are coaxial, the connecting line of the centers of the two through holes on the two seat boards I6.2 of the group and the connecting line of the centers of the two through holes on the first group of the two seat boards I6.2 are in an angle a, and the angle a ranges from 45 degrees to 135 degrees. The left adjusting rod assembly 2, the right adjusting rod assembly 4 and the two rear adjusting rod assemblies 3 can be connected by matching the adjusting rod shaft assembly 6 with the hanging rod seat assembly 7, so that the joint adjustment of the concave plate assembly 1 and the threshing cylinder gap is realized.
The boom seat weldment 7 comprises: shaft sleeve II 7.1 and seat board II 7.2; wherein, the inner hole of the shaft sleeve II 7.1 is processed with a flat key groove; the outer side walls of the two seat boards II 7.2 and the shaft sleeve II 7.1 are fixedly connected, so that the through holes on the two seat boards II 7.2 are coaxial, and the connecting line of the centers of the two through holes on the seat boards II 7.2 and the central line of the flat key groove of the shaft sleeve 7.1 form an included angle of 180 degrees. The boom seat welding piece 7 and the adjusting rod shaft welding piece 6 are matched for use, so that the left adjusting rod welding piece 2, the right adjusting rod welding piece 4 and the two rear adjusting rod welding pieces 3 can be connected, and the joint adjustment of the concave plate welding piece 1 and the threshing cylinder gap is realized.
The rotary shaft welding 10 includes: a rotation shaft 10.1 and a seat plate III 10.2; wherein a flat key groove is processed on the rotary shaft 10.1; the rotating shaft 10.1 sequentially passes through one through hole on the two seat boards III 10.2 and then is fixedly connected, so that the other through hole on the two seat boards III 10.2 after being fixedly connected is coaxial, and the connecting line of the centers of the two through holes on the seat boards III 10.2 and the central line of the flat key groove of the rotating shaft 10.1 form an included angle of 180 degrees. The rotary shaft weld 10 is mainly used to transmit the steering torque of the steering handle weld 15.
The toothed plate weldment 13 includes: toothed plate 13.1, mounting shaft 13.2; the toothed plate 13.1 is arc-shaped, a plurality of meshing teeth are formed in the outer circumference of the arc-shaped toothed plate 13.1, a through hole is formed in the bottom end of the toothed plate 13.1, and the mounting shaft 13.2 penetrates through the through hole in the bottom of the toothed plate 13.1 and is fixedly connected. The tooth shape of the toothed plate 13.1 on the toothed plate welding piece 13 is meshed with the claw block 15.2 on the operating handle welding piece 15, so that the quantitative adjustment of the gap between the concave plate sieve and the threshing cylinder can be realized.
The manipulating handle assembly 15 includes: the control bracket welding piece 15.1, the claw block 15.2, the pull rod 15.3, the button 15.4, the buffer spring 15.5 and the handle sleeve 15.6; wherein the handling bracket weldment 15.1 comprises: 15.1.1 parts of control tube, 15.1.2 parts of support plate, 15.1.3 parts of shaft sleeve I and a mounting shaft 15.1.4; wherein the pull rod 15.3 is provided with external threads; the button 15.4 is provided with internal threads; the inner hole of the shaft sleeve I15.1.3 is provided with a flat key groove, and a top thread hole is formed at a position which forms an included angle of 90 degrees with the central line of the flat key groove; fixedly connecting the outer side walls of the support plate 15.1.2 and the shaft sleeve I15.1.3, fixedly connecting three hole sites which are penetrated into the middle of the support plate 15.1.2 by the installation shaft 15.1.4, fixedly connecting one end of the control tube 15.1.1 with a small hole with the support plate 15.1.2 to form a control support welding piece 15.1, wherein the central line of a flat key groove of the shaft sleeve I15.1.3 on the fixedly connected control support welding piece 15.1 and the axis of the control tube 15.1 are in a beta angle range of 30-60 degrees; the jaw 15.2 is connected through the mounting shaft 15.1.4 and positioned with cotter pins; the pull rod 15.3 passes through the inner hole of the control tube 15.1.1 and is connected with the claw block 15.2; the button 15.4 and the pull rod 15.3 are connected through threads; the buffer spring 15.5 is respectively connected with the claw block 15.2 and the control tube 15.1.1; the handle sleeve 15.6 is connected to the actuating tube 15.1.1. The gap between the concave screen and the threshing cylinder can be quantitatively and coarsely adjusted by operating the operating handle assembly 15.
In the specific use process of the concave plate sieve and threshing cylinder gap adjusting device for the grain harvester, when the gap between the concave plate sieve and the threshing cylinder of the harvester is required to be adjusted for different crops harvesting, only the control handle assembly 15 is required to be operated to be meshed with different teeth on the toothed plate assembly 13, the control handle assembly 15 can drive the rotary shaft assembly 10 to rotate through a flat key, the rotary shaft assembly 10 can drive the connecting rod 9 connected with the rotary shaft assembly to move, the connecting rod 9 can correspondingly drive the adjusting rod shaft assembly 6 to rotate, the adjusting rod shaft assembly 6 can drive the suspender seat assembly 7 to rotate together with the suspender seat assembly through the flat key, and the combined rotation of the adjusting rod shaft assembly 6 and the suspender seat assembly 7 can drive the left side adjusting rod assembly 2, the right side adjusting rod assembly 4 and the two rear side adjusting rod assemblies 3 connected with the concave plate assembly 1 to move, so that the purpose of adjusting the gap between the concave plate sieve and the threshing cylinder of the harvester is achieved.
Therefore, when the gap between the concave plate sieve and the threshing cylinder of the harvester is required to be adjusted according to the harvesting requirements of different crops, the push button is only required to be operated, the push button is used for pulling the pull rod to drive the claw block to be separated from the meshing teeth on the circular arc toothed plate, then the control handle assembly 15 is pulled to reduce the upward gap or to enlarge the downward gap, and after the adjustment is in place, the push button is operated, so that the claw block on the control handle assembly 15 is meshed and positioned with the meshing teeth on the circular arc toothed plate in the toothed plate welding assembly 13.
If coarse adjustment is performed through the operating handle assembly 15, harvesting requirements still cannot be met, and the concave plate screen and threshing cylinder clearance of the harvester can be adjusted more accurately by adjusting the left adjusting rod assembly 2, the right adjusting rod assembly 4 and the adjusting bolts 2.3 on the two rear adjusting rod assemblies 3, so that the use requirements of users are met.
Meanwhile, according to the use requirement, a user can differentially adjust an inlet gap (specifically, an included angle A in the figure 2) and an outlet gap (specifically, an included angle B in the figure 2) between a concave plate sieve of the harvester and a threshing cylinder by adjusting the left adjusting rod assembly 2, the right adjusting rod assembly 4 and the adjusting bolts 2.3 on the two rear adjusting rod assemblies 3, the gap at the inlet can be properly enlarged relative to the outlet gap, threshing separation performance is improved, and material circulation smoothness is improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solution described in the foregoing embodiment, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the idea of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a recess plate sieve and threshing cylinder gap adjustment device for grain harvester, includes the regulation pole subassembly that sets up in the threshing chamber, sets up the subassembly of controlling in the driver's cabin to and connect the link assembly between regulation pole subassembly and controlling the subassembly, its characterized in that: the adjusting rod assembly consists of a left adjusting rod welding piece, a right adjusting rod welding piece and two rear adjusting rod welding pieces which are respectively arranged at four corners of the concave plate welding piece, wherein the left adjusting rod welding piece and the right adjusting rod welding piece have the same structure and respectively comprise a hanging rod I and a hanging rod welding piece which are arranged at intervals up and down, an adjusting bolt capable of adjusting a gap between the bottom end of the hanging rod I and the top end of the hanging rod welding piece is further arranged between the bottom end of the hanging rod I and the top end of the hanging rod welding piece, the rear adjusting rod welding piece comprises a hanging rod III and a hanging rod IV which are arranged at intervals up and down, an adjusting bolt capable of adjusting the gap between the hanging rod III and the bottom end of the hanging rod IV is also arranged between the top end of the hanging rod III and the bottom end of the hanging rod IV, and the hanging rod I and the top end of the hanging rod III which are positioned at one axial end of the concave plate welding piece are fixed through a pin shaft, so that the whole adjusting rod assembly has a bilateral symmetry structure at two axial ends of the concave plate welding piece, and the gap between a concave plate threshing screen and a cylinder on the concave plate welding piece can be changed through the adjusting bolt; the boom welding piece comprises a boom II and a folded plate, the folded plate is arranged at the top end of the boom II in a butt joint mode, and the folded plate is connected with the bottom end of the boom I through an adjusting bolt;
The connecting rod assembly comprises a regulating rod shaft welding piece, a boom seat welding piece and a connecting rod, wherein a regulating rod shaft is arranged in the regulating rod shaft welding piece, one end of the regulating rod shaft is connected with a left regulating rod welding piece and a rear regulating rod welding piece which are fixed at the top end through pin shafts through the boom seat welding piece, the other end of the regulating rod shaft is fixed with one end of the connecting rod through a group of seat plates arranged on the outer surface of the regulating rod shaft, a group of seat plates are further arranged between the two ends of the regulating rod shaft, the group of seat plates are connected with a right regulating rod welding piece and a pin shaft of a rear regulating rod welding piece which are fixed at the top end through pin shafts, and the other end of the connecting rod is connected with the control assembly, so that the connecting rod can drive the regulating rod shaft welding piece and the boom seat welding piece to rotate under the action of the control assembly, and then the whole regulating rod assembly is driven to be adjusted up and down;
the adjusting rod shaft welding piece comprises an adjusting rod shaft and two groups of seat boards, wherein a flat key groove is formed in one end of the adjusting rod shaft, the two groups of seat boards are sleeved at one end of the adjusting rod shaft, which is not provided with the flat key groove, each group of seat boards is composed of two seat boards I, two through holes are formed in each seat board I, one through hole is sleeved and fixed on the adjusting rod shaft, the other through hole is used for fixing one tail end of a pin shaft or a connecting rod at the top of the right adjusting rod assembly and the rear adjusting rod assembly, the through holes in the two seat boards I in the same group of seat boards are coaxially arranged, and an included angle of 45-135 degrees is formed between the central axes of the two groups of seat boards;
The threshing device comprises a control assembly and a threshing device, wherein the control assembly comprises a rotating shaft welding piece, a toothed plate welding piece and a control handle welding piece, one end of the rotating shaft welding piece is fixed with a connecting rod, the other end of the rotating shaft welding piece is connected to the tail end of the control handle welding piece, a toothed plate is arranged in the toothed plate welding piece and is circular arc-shaped, a plurality of meshing teeth are arranged on the outer circumference of the circular arc-shaped toothed plate, the control handle welding piece comprises a control tube, a support plate, a claw block and a pull rod, one end of the support plate is fixed on the outer wall surface of the control tube, the other end of the support plate is fixed with a shaft sleeve I, the shaft sleeve I is fixed with the tail end of the rotating shaft welding piece, an installation shaft for fixing a claw block is also arranged in a penetrating manner in the middle of the support plate, the meshing teeth on the toothed plate can be meshed with the claw block in a matched manner, the pull rod is arranged in the control tube in a penetrating manner, one end of the pull rod is connected to the claw block, and the other end of the pull rod is connected with a button, and the button can mesh teeth on the toothed plate through the claw block on the outer wall of the control tube, and the claw block to perform the selection of the meshing teeth on the toothed plate and the threshing device through the claw block, and the threshing gap can be adjusted;
The boom seat welding piece comprises a shaft sleeve II and two seat plates II fixed on the outer side wall of the shaft sleeve II, a flat key groove is processed in an inner hole of the shaft sleeve II, the flat key groove is matched with a flat key groove on the adjusting rod shaft and a peripheral flat key to realize locking and fixing between the adjusting rod shaft welding piece and the boom seat welding piece, the seat plates II are provided with connecting through holes, and the connecting through holes on the two seat plates II are fixed on pin shafts at the tops of the left adjusting rod welding piece and the rear adjusting rod welding piece;
The rotating shaft welding piece comprises a rotating shaft and two seat boards III, one end of the rotating shaft is provided with a flat key groove, the flat key groove can be matched and fixed with a shaft sleeve I in the operating handle welding piece, the two seat boards III penetrate through the other end of the rotating shaft, the seat boards III are provided with connecting through holes, and the connecting through holes in the two seat boards III are all fixed at the tail end of the connecting rod.
2. The concave screen and threshing cylinder gap adjusting device for a grain harvester as in claim 1, wherein: the pin shaft is positioned through the cotter pin.
3. The concave screen and threshing cylinder gap adjusting device for a grain harvester as in claim 1, wherein: the adjusting rod shaft is also provided with an installation seat for fixing the adjusting rod shaft in the threshing chamber.
4. The concave screen and threshing cylinder gap adjusting device for a grain harvester as in claim 1, wherein: the rotating shaft is also provided with a support and a support frame for fixing the rotating shaft in a cab, and the rotating shaft is also provided with an oil cup for supplying lubricating oil to the rotating shaft.
5. The concave screen and threshing cylinder gap adjusting device for a grain harvester as in claim 1, wherein: in the rotating shaft welding piece, a handle sleeve is arranged on the outer surface of one end of the operating tube, which is provided with a button, the button is connected with a pull rod through threads, a flat key groove is processed in an inner hole of the shaft sleeve I, an included angle of 30-60 degrees is formed between the central line of the flat key groove and the central axis of the operating tube, and a buffer spring is further connected between the claw block and the tail end of the operating tube.
6. The concave screen and threshing cylinder gap adjusting device for a grain harvester as in claim 1, wherein: the toothed plate welding piece is connected to the support plate of the operating handle welding piece through a fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309912.9A CN112293064B (en) | 2020-11-20 | 2020-11-20 | Concave plate sieve and threshing cylinder gap adjusting device for grain harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309912.9A CN112293064B (en) | 2020-11-20 | 2020-11-20 | Concave plate sieve and threshing cylinder gap adjusting device for grain harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112293064A CN112293064A (en) | 2021-02-02 |
| CN112293064B true CN112293064B (en) | 2024-05-14 |
Family
ID=74335348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309912.9A Active CN112293064B (en) | 2020-11-20 | 2020-11-20 | Concave plate sieve and threshing cylinder gap adjusting device for grain harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112293064B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874511B (en) * | 2019-03-18 | 2021-07-20 | 江苏大学 | Threshing device with adjustable bidirectional stay wire threshing gap and combine harvester |
| GB202217576D0 (en) * | 2022-11-24 | 2023-01-11 | Agco Int Gmbh | An adjustable and release unit for a concave of a threshing system of a combine harvester |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0836800A1 (en) * | 1996-10-04 | 1998-04-22 | Sampo Rosenlew Oy | Combine harvester |
| CN2613131Y (en) * | 2003-04-09 | 2004-04-28 | 山东双力集团股份有限公司 | Rice-wheat combined harvest |
| CN202697295U (en) * | 2012-07-28 | 2013-01-30 | 福田雷沃国际重工股份有限公司 | Adjustable threshing device for combine harvester |
| CN203340629U (en) * | 2013-05-20 | 2013-12-18 | 约翰迪尔（天津）有限公司 | Threshing separating assembly and grain combine harvester with same |
| CN103797987A (en) * | 2014-03-07 | 2014-05-21 | 星光农机股份有限公司 | Concave grid for combine harvester |
| CN204392897U (en) * | 2015-01-09 | 2015-06-17 | 约翰迪尔（天津）有限公司 | For notch board adjusting device and the combine of combine |
| CN107371641A (en) * | 2017-08-22 | 2017-11-24 | 湖南农业大学 | A kind of gap is adjustable concave grate and sheller unit |
| CN207678329U (en) * | 2017-12-08 | 2018-08-03 | 河北中农博远农业装备有限公司 | A kind of single longitudinal axial flow combine harvester that can adjust cylinder-concave clearance |
| CN207897435U (en) * | 2018-01-16 | 2018-09-25 | 第一拖拉机股份有限公司 | A kind of harvester concave grate detaching structure |
| CN109220240A (en) * | 2018-11-26 | 2019-01-18 | 江苏农牧科技职业学院 | A kind of rice wheat combine harvester installed threshing separator |
| CN210183940U (en) * | 2019-05-21 | 2020-03-27 | 洛阳拖拉机研究所有限公司 | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester |
| CN214178128U (en) * | 2020-11-20 | 2021-09-14 | 中国一拖集团有限公司 | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester |
-
2020
- 2020-11-20 CN CN202011309912.9A patent/CN112293064B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0836800A1 (en) * | 1996-10-04 | 1998-04-22 | Sampo Rosenlew Oy | Combine harvester |
| CN2613131Y (en) * | 2003-04-09 | 2004-04-28 | 山东双力集团股份有限公司 | Rice-wheat combined harvest |
| CN202697295U (en) * | 2012-07-28 | 2013-01-30 | 福田雷沃国际重工股份有限公司 | Adjustable threshing device for combine harvester |
| CN203340629U (en) * | 2013-05-20 | 2013-12-18 | 约翰迪尔（天津）有限公司 | Threshing separating assembly and grain combine harvester with same |
| CN103797987A (en) * | 2014-03-07 | 2014-05-21 | 星光农机股份有限公司 | Concave grid for combine harvester |
| CN204392897U (en) * | 2015-01-09 | 2015-06-17 | 约翰迪尔（天津）有限公司 | For notch board adjusting device and the combine of combine |
| CN107371641A (en) * | 2017-08-22 | 2017-11-24 | 湖南农业大学 | A kind of gap is adjustable concave grate and sheller unit |
| CN207678329U (en) * | 2017-12-08 | 2018-08-03 | 河北中农博远农业装备有限公司 | A kind of single longitudinal axial flow combine harvester that can adjust cylinder-concave clearance |
| CN207897435U (en) * | 2018-01-16 | 2018-09-25 | 第一拖拉机股份有限公司 | A kind of harvester concave grate detaching structure |
| CN109220240A (en) * | 2018-11-26 | 2019-01-18 | 江苏农牧科技职业学院 | A kind of rice wheat combine harvester installed threshing separator |
| CN210183940U (en) * | 2019-05-21 | 2020-03-27 | 洛阳拖拉机研究所有限公司 | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester |
| CN214178128U (en) * | 2020-11-20 | 2021-09-14 | 中国一拖集团有限公司 | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112293064A (en) | 2021-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214178128U (en) | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester | |
| CN112293064B (en) | Concave plate sieve and threshing cylinder gap adjusting device for grain harvester | |
| DE602004012744T2 (en) | ARMREST FOR USE WITH A VEHICLE SEAT | |
| EP1238580B1 (en) | Sieve for a combine harvester | |
| EP0334919B1 (en) | Roll mill for manufacturing milled corn products | |
| DE2132217C2 (en) | Device for adjustment of the concave | |
| DE2430306B2 (en) | Concave arrangement in an axial threshing machine of a combine harvester | |
| EP0121094A1 (en) | Cleaning device for a combine harvester | |
| DE60015420T2 (en) | mower | |
| DE3887588T2 (en) | Device for height adjustment of a seat. | |
| CN212418572U (en) | Gravel and sand remove device is used in rice processing | |
| CN210183940U (en) | Gap adjusting device for concave plate sieve and threshing cylinder of grain harvester | |
| CN111299154A (en) | Formula of induced drafting tealeaves air separator | |
| CN208590280U (en) | Sheller unit | |
| DE19525244C2 (en) | Self-propelled combine | |
| EP1154681A1 (en) | Agricultural machine comprising a mowing and a conditioning device | |
| EP0604500A1 (en) | Swivelling device, wheel suspension via a swivelling device and agricultural appliance, especially a combine harvester, with a wheel bearer and chassis fitted with a swivelling device. | |
| CN1254165C (en) | Working length regulation structure for combine | |
| EP4338581A1 (en) | Self-propelled combine harvester | |
| CN115106010B (en) | Main machine feeding adjusting mechanism and method of sand making machine and sand making device | |
| JPH0713468Y2 (en) | Combine | |
| DE17225C (en) | Innovations in centrifugal mills as a feed device for roller mills | |
| DE3922260C2 (en) | Self-propelled combine | |
| CN2194062Y (en) | Multi-function seed processing vehicle | |
| JPH0713467Y2 (en) | Combine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |