CN208210816U - One kind cutting vertical stream grain threshing separation test platform - Google Patents
One kind cutting vertical stream grain threshing separation test platform Download PDFInfo
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- CN208210816U CN208210816U CN201820646266.7U CN201820646266U CN208210816U CN 208210816 U CN208210816 U CN 208210816U CN 201820646266 U CN201820646266 U CN 201820646266U CN 208210816 U CN208210816 U CN 208210816U
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Abstract
The utility model relates to one kind to cut vertical stream grain threshing separation test platform, belong to agricultural machinery technological field.The testing stand includes the shear flow thresher structure for being placed in test stand rack input terminal, and the output end of the shear flow thresher structure passes through the auxiliary feeding-wheel successively arranged and feeding-wheel is forced to be connected with the input terminal of longitudinally axial flow threshing mechanism.The utility model can separate overall process with threshing is reproduced with real simulation, so that comprehensive consideration cuts stream threshing and longitudinal axial flow threshing device, provide reliable basis to obtain the design parameter of separating mechanism critical component.
Description
Technical field
The utility model relates to a kind of grain harvest experimental rig, especially one kind to cut vertical stream grain threshing separation test
Platform belongs to agricultural technology field.
Background technique
Grain combine mostly uses greatly single transverse-axis-flow installed threshing separator or single longitudinally axial flow threshing and separating installation, this two
Though kind of configuration structure is relatively easy, it is only suitable for middle-size and small-size united reaper and is turned into industry.Large-scale combine harvester generally requires
Stream threshing and longitudinally axial flow threshing mechanism are cut in configuration simultaneously.The Improvement of harvesting equipment is mainly passed through at present and carries out model machine field
Test, the influence of the factors such as limitation not only adjusted vulnerable to weather, crop and machine parameter, and also some indexs of correlation can not
Real-time measurement.Therefore it is far from being enough that the optimization and improvement of harvester all parts, which rely solely on field trial, it is necessary to be relied on
Reliable interior bench test device is largely tested.Such as longitudinal axial flow roller is usually present entrance and easily blocks, deviates from
Object is uneven along separation notch board radial distribution, seed damage is big, the light miscellaneous more, knotty problems such as entrainment loss is big of sorting screen surface,
Needing to carry out numerous studies test can properly settle.
However, according to the applicant understood, existing testing equipment fails comprehensive consideration and cuts stream threshing and longitudinal axial flow threshing device, because
This is difficult to meet the needs of large-scale combine harvester configuration is rationally arranged.For example, existing degranulation test platform is that simulation joint is received
The farm work state of cutting mill complete machine, threshing structure is using transverse-axis-flow detachment roller, transverse-axis-flow threshing pattern and longitudinal axial flow
Threshing pattern is smaller compared to processing capacity, and existing testing stand is simulation overall test, cannot individually carry out threshing separation examination
It tests, the threshing separation situation and emersion object under the conditions of the different tests such as different threshing elements, different drum rotation speed can not be tested
Distribution situation.
Summary of the invention
The utility model aim is: in view of the above-mentioned problems of the prior art, propose one kind can with real simulation and
Threshing separating cleaning experimental rig of the reproduction including cutting stream threshing and longitudinally axial flow threshing separation overall process cuts vertical flow table, from
And the performance and running parameter of critical component are obtained, reliable basis is provided for design.
In order to achieve the above objectives, the utility model cuts the basic technical scheme of vertical stream grain threshing separation test platform are as follows: packet
Include the shear flow thresher structure for being placed in test stand rack input terminal, the output end of the shear flow thresher structure, which passes through, successively arranges
Auxiliary feeding-wheel and pressure feeding-wheel are connected with the input terminal of longitudinally axial flow threshing mechanism；
The shear flow thresher structure is by the rotatable cut flow roller that is supported in test stand rack and is fixed on cut flow roller
The semi arch of the back lower place is cut stream notch board and is constituted；The cut flow roller is rolled by the circular drum disc at both ends, circumferential uniformly connection two
One group of axial direction seat board of cylinder disc and interval are fixed on the threshing element that extends radially out on the seat board and constitute, described to cut flow roll
The Horizontal-shaft vertical of cylinder is in conveying direction；
The longitudinally axial flow threshing mechanism by spiral feeding impeller, the rotatable longitudinal axial flow roller coaxial with the feeding impeller,
Circular arc flute profile longitudinal axial flow notch board under longitudinal axial flow roller and the top cover for being fixed on longitudinal axial flow notch board top are constituted；It is described vertical
Axial-flow type drum is arranged in longitudinal tubbiness space that longitudinal axial flow intaglio plate and top cover are formed, containing passing through circumferentially uniformly distributed radial disc
The axially extending mounting base connecting with central rotating shaft is fixed at intervals with radially-protruding threshing element in the mounting base；
The transmission shaft of the auxiliary feeding-wheel and pressure feeding-wheel is respectively supported at test stand rack side plate, with driving motor
Transmission connection；The auxiliary feeding-wheel is cylindrical roller, is arranged in cut flow roller back side top；The pressure feeding wheel surface point
It is furnished with axially spaced-apart distribution, circumferentially uniformly distributed radial tooth plate, is arranged between cut flow roller and longitudinal axial flow roller.
When test, successively pass through shear flow thresher structure and longitudinally axial flow threshing mechanism to threshing crop, therefore can true mould
It fits and reproduces threshing separation overall process, so that comprehensive consideration cuts stream threshing and longitudinal axial flow threshing device, closed to obtain separating mechanism
The design parameter of key member provides reliable basis.Successively arrangement is housed between shear flow thresher structure and longitudinally axial flow threshing mechanism and is turned
The axis auxiliary feeding-wheel parallel with flow-cut threshing cylinder and pressure feeding-wheel, it is ensured that shear flow thresher structure and longitudinally axial flow threshing
Linking between mechanism is smooth, keeps test result more stable and reliable.
The utility model further improves: the stream notch board both ends of cutting are mounted on side plate by fastener, described
Fastener mounting groove is provided on side plate.
The utility model further improves, and the front end of the longitudinal axial flow roller is equipped with spiral feeding blade；It is described
Spiral feeding blade from the helical blade that big tapered shaft flow cartridge and circumferential uniformly distributed and front end are stretched small gradually by constituting；Or it is described
Spiral feeding blade is made of the helical blade of cylindrical shaft flow cartridge and circumferential uniformly distributed and front end stretching, extension；Or the spiral is fed
Entering blade has cylindrical shaft flow cartridge and is circumferentially evenly distributed with and gradually stretches the helical blade structure gradually tapered up again towards centre by front end
At.
The utility model further improves, and the radial tooth plate for forcing feeding-wheel is radially tapered ladder
It is complementary to form mutual vacancy for shape tooth plate, and circumferentially-adjacent two rows of tooth plate axile displacements.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is screw feeder and conveying slot structure schematic diagram in Fig. 1 embodiment.
Fig. 3 is grass crushing mechanism structural schematic diagram in Fig. 1 embodiment.
Fig. 4 is the flow-cut threshing cylinder structural schematic diagram in Fig. 1 embodiment.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is the auxiliary feeding-wheel structural schematic diagram in Fig. 1 embodiment.
Fig. 7 is the pressure feeding-wheel structural schematic diagram in Fig. 1 embodiment.
Fig. 8 is longitudinally axial flow threshing mechanism structure schematic diagram in Fig. 1 embodiment.
Fig. 9,10,11 are spiral feeding blade structure charts in Fig. 7.
Specific embodiment
Embodiment one
The present embodiment cuts vertical stream grain threshing separation test platform as shown in Figure 1, main includes being placed in test stand rack
The longitudinally axial flow threshing mechanism 7 that the shear flow thresher structure 4 and input terminal of input terminal are connected with 4 output end of shear flow thresher structure.It cuts
Equipped with the auxiliary feeding-wheel 5 and pressure feeding-wheel 6 successively arranged between stream separating mechanism 4 and longitudinally axial flow threshing mechanism 7.Additionally
Contain matched device for transporting objects 1, feeding screw feeder 2, delivery chute 3, picking-up container 8, variable-frequency motor 9, grass breaking device 10.Material is defeated
Send the output end of device 1 to be connected by feeding screw feeder 2 with the delivery chute 3 ramped up, the output end of delivery chute 3 with cut stream threshing
Mechanism 4 is connected.The output end of longitudinally axial flow threshing mechanism 7 is connected with grass breaking device 10.
Device for transporting objects 1 includes conveyer belt and the rack for installing conveyer belt, and conveyer belt is driven by a motor, and revolving speed can basis
It needs to adjust, simulation machine advances, and manually places crop according to required material feed quantity when test.Feed screw feeder 2 such as Fig. 2
It is shown, pass through the screw feeder transmission shaft 201 that belt pulley 204 drives including motor 9, which is supported by bearing 203,
And it is limited by axle sleeve 202 is radial.Delivery chute 3 uses chain-and-harrow type structure, and delivery chute drive roll therein is also driven by motor 9.
Grass breaking device 10 is as shown in figure 3, include being mounted on grass breaking device side plate 1004 by bearing 1003 and connecting skin
Circumferentially uniformly distributed, axially spaced-apart on the moving knife transmission shaft 1001 of belt wheel 1002, with the moving knife 1005 of the moving knife transmission shaft 1001 gearing
Distribution radially extends cutting blade 1007, and cutting blade 1007 is connected on the moving knife seat 1009 of moving knife by bolt 1008, and solid
The fixed axially staggered distribution of ledger-plate 1006, it is broken under different type of array, different blade patterns and different rotating speeds for studying
Careless effect.
Shear flow thresher structure 4 is as shown in Figure 4, Figure 5, by rotatable cut flow roller and the fixation being supported in test stand rack
Semi arch in the cut flow roller back lower place is cut stream notch board 404 and is constituted.Cut flow roller by both ends circular drum disc 403, circumferential
The six axial seat boards 402 and interval for uniformly connecting two roller disc 403, which are fixed on seat board 402, extends radially out threshing member
Part 401 is constituted.The Horizontal-shaft vertical of cut flow roller is in conveying direction.Stream notch board both ends are cut to be mounted on side plate by bolt 409,
It is provided with bolt mounting groove on side plate, changes the installation site for cutting stream notch board, the size of adjustable feeding mouth and delivery outlet.Cut stream
Separating mechanism is driven by motor and transmission shaft, and transmission shaft 406 is supported and positioned, transmission shaft by bearing 407 and test stand rack
One end connects belt pulley 408, is driven by motor 9, revolving speed is adjustable.Cut stream threshing element 401 be mounted on by hexagon-headed bolt it is de-
On grain element seat board 402, which is mounted on roller former 403, can match various forms of threshing elements, is changed
The adjustable cylinder diameter of beater of installation site of the threshing element fixing seat on former 403.
Auxiliary feeding-wheel 5 is supported on test stand rack side plate 503 by bearing 502 as shown in fig. 6, being driven by motor 9
Auxiliary feeding wheel shaft 501, one end of the transmission shaft 501 connect belt pulley 504, and revolving speed is adjustable.
It forces feeding-wheel 6 and supports the pressure for being positioned at test stand rack by bearing 602 as shown in fig. 7, being driven by motor 9
Wheel shaft 601 is fed, which connects belt pulley 603, and revolving speed is adjustable, forces feeding wheel surface that axis is distributed with
To be spaced apart, circumferentially uniformly distributed radially tapered trapezoidal tooth plate, and circumferentially-adjacent two rows of tooth plate axile displacements, thus shape
Complementary at mutual vacancy, theory analysis and experiment show that this toothed plate structure is by the material after cut flow roller threshing
The smooth optimum structure for being sent into longitudinal axial flow roller.
It, on the contrary, therefore can be with cut flow roller direction of rotation since auxiliary feeding-wheel is arranged in cut flow roller back side top
Material when effectively reducing cut flow roller rotation rewinds；And feeding-wheel is forced to be arranged between cut flow roller and longitudinal axial flow roller,
It may insure that the smooth feeding longitudinal axial flow roller of the material after cut flow roller threshing carries out secondary threshing point by surface tooth plate
From；To ensure that the reliable linking for cutting stream threshing and longitudinally axial flow threshing separating experiment overall process.
Longitudinally axial flow threshing mechanism as shown in figure 8, mainly by spiral feeding impeller 701, with the feeding impeller 701 it is coaxial can
Rotation longitudinal axial flow roller and the circular arc flute profile longitudinal axial flow notch board 703 being fixed under longitudinal axial flow roller are constituted.Longitudinal axial flow notch board 703
Top is fixed with top cover 706.Longitudinal axial flow roller contains the axial direction connecting by circumferentially uniformly distributed radial disc 705 with central rotating shaft
Extend mounting base 702, is fixed at intervals with radially-protruding threshing original part (threshing bar) 704 in mounting base 702.Longitudinal axial flow roller is set
Set in longitudinal tubbiness space that longitudinal axial flow intaglio plate and top cover are formed, between the spiral feeding blade and threshing cylinder of drum front end by
It is bolted, replaceable taper or cylindrical feeding tube and plurality of specifications spiral feeding blade, such as shown in Fig. 9,10,11,
With the helical blade by small gradually big tapered shaft flow cartridge, circumferential uniformly distributed and front end stretching, extension, cylindrical shaft flow cartridge it is circumferentially uniformly distributed and
The helical blade of front end stretching, extension, cylindrical shaft flow cartridge are circumferentially evenly distributed with and gradually stretch the spiral shell gradually tapered up again towards centre by front end
Vane piece, so as to test feeding situation of the Different Crop under different helical blades.Longitudinally axial flow threshing mechanism one end is by bearing
It is fixed in test stand rack, other end tooth connection roller box 707, the gear-box other end is transmitted by universal joint 708 through bearing 709
The power that belt pulley 710 exports, belt pulley are driven by variable-frequency motor 9.
Due to theoretically can be with common motor, the motor label in the present embodiment be 9, and actually number of motors is drunk
Feelings configuration.
The degranulation test platform bottom of the present embodiment when carrying out the comprehensive bench test of threshing and cleaning, passes through spiral shell there are bolt hole
Experimental bench is cleaned in bolt fixation；When individually carrying out degranulation test, picking-up container is placed below longitudinal axial flow threshing device, therefore can
Study the Threshing under the conditions of different tests.It is demonstrated experimentally that the available optimal parameter for Different Crop of the present embodiment
Composite test result data provides data support for the research and development of new architecture.
Claims (7)
1. one kind cuts vertical stream grain threshing separation test platform, the shear flow thresher structure including being placed in test stand rack input terminal
(4), it is characterised in that: the output end of the shear flow thresher structure passes through the auxiliary feeding-wheel (5) successively arranged and forces feeding
Wheel (6) is connected with the input terminal of longitudinally axial flow threshing mechanism (7)；The shear flow thresher structure by be supported in test stand rack can
Rotation cut flow roller and the semi arch for being fixed on the cut flow roller back lower place are cut stream notch board (404) and are constituted；The cut flow roller is by two
The circular drum disc (403) at end, circumferential one group of axial direction seat board (402) for uniformly connecting two roller disc and interval are fixed on
Threshing element (401) composition is extended radially out on the seat board, the Horizontal-shaft vertical of the cut flow roller is in conveying direction；It is described
Longitudinally axial flow threshing mechanism feeds impeller (701) by spiral, the rotatable longitudinal axial flow roller coaxial with the feeding impeller, is located at the longitudinal axis
Circular arc flute profile longitudinal axial flow notch board (703) under stream roller and the top cover (706) for being fixed on longitudinal axial flow notch board top are constituted；Institute
It states longitudinal axial flow roller to be arranged in longitudinal tubbiness space that longitudinal axial flow intaglio plate and top cover are formed, containing passing through circumferentially uniformly distributed radial direction
The axially extending mounting base (702) that disc (705) is connect with central rotating shaft is fixed at intervals in the mounting base radially-protruding
Threshing element (704)；The transmission shaft (501,601) of the auxiliary feeding-wheel and pressure feeding-wheel is respectively supported at test stand rack
Side plate (503) is sequentially connected with driving motor (9)；The auxiliary feeding-wheel is cylindrical roller, setting on rear side of the cut flow roller on
Side；Axially spaced-apart distribution, circumferentially uniformly distributed radial tooth plate is distributed in the pressure feeding wheel surface, and setting is in cut flow roller and indulges
Between axial-flow type drum.
2. according to claim 1 cut vertical stream grain threshing separation test platform, it is characterised in that: described to cut stream notch board both ends
It is mounted on side plate by fastener, fastener mounting groove is provided on the side plate.
3. according to claim 1 cut vertical stream grain threshing separation test platform, it is characterised in that: the longitudinal axial flow roller
Front end is equipped with spiral feeding blade.
4. according to claim 3 cut vertical stream grain threshing separation test platform, it is characterised in that: the spiral feeding blade
By being constituted from the helical blade that big tapered shaft flow cartridge and circumferential uniformly distributed and front end are stretched small gradually.
5. according to claim 3 cut vertical stream grain threshing separation test platform, it is characterised in that: the spiral feeding blade
It is made of the helical blade of cylindrical shaft flow cartridge and circumferential uniformly distributed and front end stretching, extension.
6. according to claim 3 cut vertical stream grain threshing separation test platform, it is characterised in that: the spiral feeding blade
It is evenly distributed with by cylindrical shaft flow cartridge and circumferential direction and is gradually stretched the helical blade gradually tapered up again towards centre by front end and constituted.
7. indulging stream grain threshing separation test platform according to any described the cutting of claim 4,5 or 6, it is characterised in that: described strong
The radial tooth plate of feeding-wheel processed is radially tapered trapezoidal tooth plate, and circumferentially-adjacent two rows of tooth plate axile displacements, is formed
Mutual vacancy is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646266.7U CN208210816U (en) | 2018-05-03 | 2018-05-03 | One kind cutting vertical stream grain threshing separation test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646266.7U CN208210816U (en) | 2018-05-03 | 2018-05-03 | One kind cutting vertical stream grain threshing separation test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208210816U true CN208210816U (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820646266.7U Expired - Fee Related CN208210816U (en) | 2018-05-03 | 2018-05-03 | One kind cutting vertical stream grain threshing separation test platform |
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| Country | Link |
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| CN (1) | CN208210816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133353A (en) * | 2021-04-12 | 2021-07-20 | 张祥 | Double-cutting upper-feeding double-separation system |
-
2018
- 2018-05-03 CN CN201820646266.7U patent/CN208210816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133353A (en) * | 2021-04-12 | 2021-07-20 | 张祥 | Double-cutting upper-feeding double-separation system |
| CN113133353B (en) * | 2021-04-12 | 2022-12-09 | 张祥 | Double-cutting upper feeding double-separation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20200503 |