CN203243706U - Test device for single-stalk double-moving-cutter cutting - Google Patents
Test device for single-stalk double-moving-cutter cutting Download PDFInfo
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- CN203243706U CN203243706U CN 201320276017 CN201320276017U CN203243706U CN 203243706 U CN203243706 U CN 203243706U CN 201320276017 CN201320276017 CN 201320276017 CN 201320276017 U CN201320276017 U CN 201320276017U CN 203243706 U CN203243706 U CN 203243706U
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- stem stalk
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- cutter
- cushion block
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Abstract
The utility model relates to a test device for single-stalk double-moving-cutter cutting. The test device is fixed through a base, a universal tester connection block is connected with a universal tester which drives an upper rack to vertically move downwards, a lower rack is driven to move upwards through gear transmission, an upper cutter and a lower cutter move in opposite directions at an equal speed and are eventually tightly staggered in the middle of a U-shaped groove of a U-shaped groove stalk cushion block in an attached mode, and a crop stalk is cut off in the U-shaped groove. The universal tester collects and records cutting force and cutter displacements at a certain frequency, and the maximum cutting force and cutting work for a single stalk can be obtained through analysis.
Description
Technical field
The utility model relates to a kind of crop cutting test device, is the in opposite directions testing machines of the single crop stem of synchronous cutting of two moving knife specifically, belongs to mechanical field.
Background technology
Harvest machinery is a kind of can working continuously in the field, finish continuously ripe crop and carry out also field of stem cutting, harvesting, stem stalk, the machine of the paid collection of fringe, cutter are one of harvest machinery critical components, and the design quality of cutter directly affects the results performance of harvest machinery complete machine.
Double sickle cutterbar is to develop on the basis of single action cutter cutter, it drives up and down two groups of blades simultaneously by corresponding driving mechanism, and the direction of motion of two groups of blades is just the opposite, balance the inertia force that produces of single action cutter, it has solved preferably, and reciprocating type single action cutter cutting speed is low, to move back and forth that inertia force is large, vibration is large, balanced relation power is large and increase cutting speed and reduce cutting inertia force be the problem of conflict.
Because it is larger to be subject to the field conditions impact during double sickle cutterbar field trial, change test parameters complicated, the acquisition and processing of signal is difficulty, and the fluctuating error of test is larger, so need the design laboratory testing rig to solve the problem of experimental study.
Because the mode that traditional stem stalk test method is cut off the stem stalk take single blade does not retrieve research and the corresponding patent of the stem stalk being carried out the double blade cutting at present as main.By patent retrieval, the relevant patent of stem cutting device can retrieve to place an order:
The single stalk cutting test device of △ (Granted publication number: CN 202177520 U);
△ stem cutting performance test stand (Granted publication number: CN 201311382 Y).
But, for above-mentioned " single stalk cutting test device ", device adopts the cutting of single blade pendulum type, power relies on the gravitional force of pendulum type device, if will obtain larger cutting kinetic energy, and the amplitude of oscillation that then needs to increase pendulum type device quality or increase pendulum type device, this is inappropriate during for the larger stem stalk of cutting merit, and this device use single blade, and the blade cuts of the grain header of not simulation reality, limited to the directive function of reality.For above-mentioned " stem cutting performance test stand ", use equally gravitional force that ablation energy is provided, use equally the single blade cutting, so do not satisfy the test requirements document of double sickle cutterbar.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model discloses the two moving knife cutting test devices of a kind of single stem stalk, this experimental rig can cut single crop stem at the indoor pair moving knife of finishing, and gathers the cutting test data, improved the accuracy of test, and operability; Simultaneously, this experimental rig is equally applicable to the test of single blade list stem cutting, and a tractor serves several purposes rationally utilizes the test resource.
The two moving knife cutting test devices of single stem stalk, comprise base, cutting assembly, stem stalk supporting component and driving member are installed on the base, described cutting assembly comprises the upper cutter knife vertical with base and lower cutter, upper cutter knife and lower cutter are fixed on respectively the front end of straight shape knife bar arm and bending knife bar arm by knife bar, the rear end of straight shape knife bar arm and bending knife bar arm is connected on the driving member, described stem stalk supporting component comprises " U " word groove stem stalk cushion block, and two cutteves lay respectively at vertical direction and the below of " U " word groove of " U " word groove stem stalk cushion block.
The outside of described straight shape knife bar arm and bending knife bar arm is respectively arranged with line slide rail, line slide rail comprises slide block and guide rail, and slide block is fixed with straight shape, the bending knife bar arm outside, and guide rail one side is stuck in the groove of slide block, opposite side is fixed with guide rail bracket, and the bottom welding of guide rail bracket is on base plate.
Described upper cutter knife and lower cutter all are isosceles-trapezium-shaped, and bottom and the knife bar of isosceles trapezoid are fixed, and the waist limit of isosceles trapezoid is edge of a knife limit, and edge of a knife limit is the zigzag edge of a knife that tilts towards the cutter outside, and the inboard of two cutteves fits tightly contact relatively.
There is the platform of projection at described knife bar two ends, and upper cutter knife and lower cutter are separately fixed between the platform of two ends projection, and the platform of projection flushes with the upper and lower cutter outside.
Described " U " word groove stem stalk cushion block is fixed on a lateral edges of " T " font stem stalk bracing frame, " U " word groove is exposed at the outside of stem stalk support bar, be provided with stem stalk briquetting above " U " word groove stem stalk cushion block, stem stalk briquetting, " U " word groove stem stalk cushion block and stem stalk bracing frame are bolted to connection; The opposite side of stem stalk bracing frame is provided with bar shaped stem stalk cushion block and stem stalk briquetting, and the three is bolted, and is provided with vee in the middle of the stem stalk briquetting lower surface, and vee and bar shaped stem stalk cushion block and " U " word groove stem stalk cushion block form stem stalk passage.
Described driving member comprises the gear that is fixed on the tooth rest, and the horizontal bilateral symmetry of gear is provided with upper rack and lower tooth bar, the flank profil of upper rack and lower tooth bar and the flank profil clamping of gear.
Described straight shape knife bar arm and upper rack are fixed, and bending knife bar arm and lower tooth bar are fixed.
Described upper rack top is provided with the universal testing machine contiguous block.
The utility model, compact conformation, during use, the universal testing machine drive upper rack cycle is rectilinear motion up and down, thereby driven gear has enough to meet the need motion back and forth, tooth bar motion under the gear driven, upper rack is opposite with the lower tooth bar direction of motion, movement velocity is identical, when upper cutter knife moves down, lower cutter moves up, in opposite directions the distance that equates of constant speed movement, finally overlap in the middle of " U " word groove of " U " word groove stem stalk cushion block, the single stem cutting that will stretch the stem stalk passage below stem stalk briquetting is disconnected; The utility model uses two moving knife that the single stem stalk of crop is cut, two moving knife have been simulated more accurately to the cutting process of crop stem, this experimental rig is simple in structure, light and handy, utilize universal testing machine to carry out the loading of power, compare the gravitional force loading more stable, this is so that the data of test are more reliable.This experimental rig is dismantled lower cutter, keeps upper cutter knife, namely can be used to test single action cutter crop stem cutting test, and the data processing method of test is identical with two moving knife list stem cutting tests.
Description of drawings
Fig. 1 is structural representation of the present invention,
Fig. 2 is the structural representation behind the removal stem stalk supporting component among Fig. 1,
Fig. 3 be the A of Fig. 2 to view,
Fig. 4 be the B of upper cutter knife among Fig. 2 to view,
Fig. 5 be the C of upper cutter knife among Fig. 2 to view,
Fig. 6 be the D of lower cutter among Fig. 2 to view,
Fig. 7 be the E of lower cutter among Fig. 2 to view,
Fig. 8 is the lever structure schematic diagram,
Fig. 9 is the STRUCTURE DECOMPOSITION figure of stem stalk supporting component,
Figure 10 be the F of " U " word groove stem stalk cushion block to view,
Reference numerals list: 1-base, 2-stem stalk supporting component, 3-cutting assembly, 4-driving member, 5-crop stem, 21-" U " word groove stem stalk cushion blocks, 22-stem stalk bracing frame, 23-bar shaped stem stalk cushion block, 24-stem stalk briquetting, 25-bolt, 31-upper cutter knife, 32-lower cutter, 33-knife bar, 34-straight shape knife bar arm, 35-line slide rail, 36-guide rail bracket, 37-bending knife bar arm, the platform of 39-projection, 310-edge of a knife bar, 41-tooth rest, 42-gear, 43-lower tooth bar, 44-upper rack, 45-universal testing machine contiguous block.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.Should understand following embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
By reference to the accompanying drawings as seen, the two moving knife cutting test devices of this single stem stalk, comprise base 1, cutting assembly 3 is installed on the base 1, stem stalk supporting component 2 and driving member 4, described cutting assembly 3 comprises upper cutter knife 31 and the lower cutter 32 vertical with base 1, upper cutter knife 31 and lower cutter 32 are fixed on respectively the front end of straight shape knife bar arm 34 and bending knife bar arm 37 by knife bar 33, described stem stalk supporting component 2 comprises " U " word groove stem stalk cushion block 21, upper cutter knife 31 and lower cutter 32 lay respectively at vertical direction and the below of " U " word groove of " U " word groove stem stalk cushion block 21, described transmission structure 4 comprises the gear 42 that is fixed on the tooth rest 41, the horizontal bilateral symmetry of gear 42 is provided with upper rack 44 and lower tooth bar 43, the flank profil clamping of the flank profil of upper rack 44 and lower tooth bar 43 and gear 42, gear 42 rotationals drive upper rack 44 and lower tooth bar 43 moves up and down; Straight shape knife bar arm 34 is fixing with upper rack 44, and bending knife bar arm 37 and lower tooth bar 43 are fixing.The present invention, base 1 is fixed on the test operation platform, make this experimental rig be in fixed state, universal testing machine contiguous block 45 is connected with universal testing machine, during work, universal testing machine drives the downward rectilinear motion of upper rack, upper rack 44 descends, lower tooth bar 43 rises, upper rack 44 drives upper cutter knife 31 by straight shape knife bar arm 34 and descends, and lower tooth bar 43 drives lower cutter 32 ascending motions by bending knife bar arm 37, and the edge of a knife limit of upper cutter knife 31 and lower cutter 32 fits tightly staggered, final upper cutter knife 31 and lower cutter 32 overlap in " U " word groove, and " U " word groove is positioned at the horizontal center of upper cutter knife 31 and lower cutter 32; Bar shaped stem stalk cushion block 23 and " U " word groove stem stalk cushion block 21 are held crop stem 5, and be fixed on the platform of stem stalk support 22, two stem stalk briquettings 24 are above crop stem 5, crop stem 5 is stuck in the vee, and connect fastening with bolt 25, so that crop stem 5 clamps at stem stalk bracing frame 22, the front end of stem stalk crop 5 stretches out " U " word groove stem stalk cushion block 21, in upper cutter knife 31 and lower cutter 32 interlaced processes, crop stem 5 is cut disconnected in " U " word groove, " U " word groove stem stalk cushion block 21 is so that have support at the right and left that cuts crop stem 5 cutting parts, crop stem 5 is difficult for bending, and guarantees better accuracy of measurement.Universal testing machine is with data such as the cutting force in its stroke under the suitable frequency record and displacements, and the maximum of the cutting force in the data then is the maximum cutting force of crop stem 5; Each cutting force and displacement data are made the two-dimensional coordinate curve map, and then the area that surrounds of curve and displacement coordinate is the cutting merit of crop stem.
The outside of described straight shape knife bar arm 34 and bending knife bar arm 37 is respectively arranged with line slide rail 35, line slide rail 35 comprises slide block 35-1 and guide rail 35-2, slide block 35-1 is fixed on straight shape, bending knife bar arm 34,37 outsides, guide rail 35-2 one side is stuck in the groove of slide block 35-1, opposite side is fixed with guide rail bracket 36, and the bottom welding of guide rail bracket 36 is on base plate 1.36 pairs of cutting assemblies 3 of guide rail bracket play vertical supporting role, keeping movement locus is straight line, when upper rack 44 moves down, straight shape knife bar arm 34 is followed slide block 35-1 and is moved down together, slide block 35-1 is mobile at guide rail 35-2, guide rail 35-2 is the track that slide block 35-1 moves, and straight shape knife bar arm 34 drives upper cutter knife 31 and moves down; Upper rack 43 moves downward by gear 42 transmissions, drives lower tooth bar 44 and moves upward, and moves upward thereby drive lower cutter 32.
Described upper cutter knife 31 and lower cutter 32 all are isosceles-trapezium-shaped, the bottom of isosceles trapezoid and knife bar 33 are fixing, and the waist limit of isosceles trapezoid is edge of a knife limit 310, and edge of a knife limit 310 is the zigzag edge of a knife that tilts towards the cutter outside, upper and lower cutter 31,32 inboard relatively, fit tightly contact.Serrated edge can continue to compensate the sawtooth flank profil for from wearing and tearing blade at the rear sawtooth of a certain amount of stem stalk wearing and tearing of cutting, increases the service life.
There is the platform 39 of projection at described knife bar 33 two ends, and upper cutter knife 31 and lower cutter 32 are separately fixed between the platform 39 of two ends projection.The platform 39 of projection is just coplanar with upper and lower cutter 31,32 relative inner, and upper and lower cutter 31,32 is fitted staggered when mobile, and is mobile without hindrance, more smooth and easy.
Described " U " word groove stem stalk cushion block 21 is fixed on a lateral edges of " T " font stem stalk bracing frame 22, " U " word groove is exposed at the outside of stem stalk support bar 22, be provided with stem stalk briquetting 24 above " U " word groove stem stalk cushion block 21, stem stalk briquetting 24, " U " word groove stem stalk cushion block 21 are fixedly connected with by bolt 25 with stem stalk bracing frame 22; The opposite side of stem stalk bracing frame 22 is provided with bar shaped stem stalk cushion block 23 and stem stalk briquetting 24, the three is fixing by bolt 25, be provided with vee in the middle of stem stalk briquetting 24 lower surfaces, vee and bar shaped stem stalk cushion block 23 and " U " word groove stem stalk cushion block 21 form stem stalk passage.Stem stalk crop 5 is sent to from stem stalk passage in the middle of upper cutter knife 31 and the lower cutter 32, the front end pad of crop stem 5 is on the stem stalk cushion block of the both sides of " U " word groove, prevent crop stem 5 sagging distortion, crop stem 5 is in level when being cut, the edge of a knife is vertical with crop stem 5, cut the most laborsavingly, edge of a knife wearing and tearing are minimum, can guarantee better accuracy of measurement.
Employed universal testing machine in this patent, model is: microcomputer controlled electronic universal tester WDW-10, manufacturer is: Jinan skilled worker's testing machine Co., Ltd, can buy gained in market.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme that is comprised of above technical characterictic any combination.
Claims (8)
1. two moving knife cutting test devices of single stem stalk, it is characterized in that comprising base, cutting assembly, stem stalk supporting component and driving member are installed on the base, described cutting assembly comprises the upper cutter knife vertical with base and lower cutter, upper cutter knife and lower cutter are fixed on respectively the front end of straight shape knife bar arm and bending knife bar arm by knife bar, the rear end of straight shape knife bar arm and bending knife bar arm is connected on the driving member, described stem stalk supporting component comprises " U " word groove stem stalk cushion block, and two cutteves lay respectively at vertical direction and the below of " U " word groove of " U " word groove stem stalk cushion block.
2. two moving knife cutting test devices of single stem stalk according to claim 1, the outside that it is characterized in that described straight shape knife bar arm and bending knife bar arm is respectively arranged with line slide rail, line slide rail comprises slide block and guide rail, slide block is fixed on straight shape, the bending knife bar arm outside, guide rail one side is stuck in the groove of slide block, opposite side is fixed with guide rail bracket, and the bottom welding of guide rail bracket is on base plate.
3. two moving knife cutting test devices of single stem stalk according to claim 1, it is characterized in that described upper cutter knife and lower cutter all are isosceles-trapezium-shaped, bottom and the knife bar of isosceles trapezoid are fixed, the waist limit of isosceles trapezoid is edge of a knife limit, edge of a knife limit is the zigzag edge of a knife that tilts towards the cutter outside, the inboard of two cutteves fits tightly contact relatively.
4. the two moving knife cutting test devices of single stem stalk according to claim 1 is characterized in that there is the platform of projection at described knife bar two ends, and upper cutter knife and lower cutter are separately fixed between the platform of two ends projection, and the platform of projection flushes with the upper and lower cutter outside.
5. two moving knife cutting test devices of single stem stalk according to claim 1, it is characterized in that described " U " word groove stem stalk cushion block is fixed on a lateral edges of " T " font stem stalk bracing frame, " U " word groove is exposed at the outside of stem stalk support bar, be provided with stem stalk briquetting above " U " word groove stem stalk cushion block, stem stalk briquetting, " U " word groove stem stalk cushion block and stem stalk bracing frame are bolted to connection; The opposite side of stem stalk bracing frame is provided with bar shaped stem stalk cushion block and stem stalk briquetting, and the three is bolted, and vee is arranged in the middle of the stem stalk briquetting lower surface, and vee and bar shaped stem stalk cushion block and " U " word groove stem stalk cushion block form stem stalk passage.
6. two moving knife cutting test devices of single stem stalk according to claim 1, it is characterized in that described driving member comprises the gear that is fixed on the tooth rest, the horizontal bilateral symmetry of gear is provided with upper rack and lower tooth bar, the flank profil clamping of the flank profil of upper and lower tooth bar and gear.
7. two moving knife cutting test devices of single stem stalk according to claim 6 is characterized in that described straight shape knife bar arm and upper rack fix, and bend knife bar arm and lower tooth bar and fix.
8. the two moving knife cutting test devices of single stem stalk according to claim 7 is characterized in that described upper rack top is provided with the universal testing machine contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320276017 CN203243706U (en) | 2013-05-20 | 2013-05-20 | Test device for single-stalk double-moving-cutter cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320276017 CN203243706U (en) | 2013-05-20 | 2013-05-20 | Test device for single-stalk double-moving-cutter cutting |
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| Publication Number | Publication Date |
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| CN203243706U true CN203243706U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320276017 Expired - Fee Related CN203243706U (en) | 2013-05-20 | 2013-05-20 | Test device for single-stalk double-moving-cutter cutting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283378A (en) * | 2013-05-20 | 2013-09-11 | 农业部南京农业机械化研究所 | Single-stalk cutting test device with double moving cutters |
| CN105537469A (en) * | 2016-01-28 | 2016-05-04 | 桂林电子科技大学 | Shearing device of automatic wire harness binding equipment |
| CN107515130A (en) * | 2017-08-30 | 2017-12-26 | 西南大学 | A kind of rotary cutting test equipment |
| CN110017976A (en) * | 2019-02-20 | 2019-07-16 | 农业农村部南京农业机械化研究所 | A kind of double acting knife cutting test device of four-bar vines |
-
2013
- 2013-05-20 CN CN 201320276017 patent/CN203243706U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283378A (en) * | 2013-05-20 | 2013-09-11 | 农业部南京农业机械化研究所 | Single-stalk cutting test device with double moving cutters |
| CN103283378B (en) * | 2013-05-20 | 2015-06-17 | 农业部南京农业机械化研究所 | Single-stalk cutting test device with double moving cutters |
| CN105537469A (en) * | 2016-01-28 | 2016-05-04 | 桂林电子科技大学 | Shearing device of automatic wire harness binding equipment |
| CN107515130A (en) * | 2017-08-30 | 2017-12-26 | 西南大学 | A kind of rotary cutting test equipment |
| CN107515130B (en) * | 2017-08-30 | 2020-05-22 | 西南大学 | Rotation type cutting test equipment |
| CN110017976A (en) * | 2019-02-20 | 2019-07-16 | 农业农村部南京农业机械化研究所 | A kind of double acting knife cutting test device of four-bar vines |
| CN110017976B (en) * | 2019-02-20 | 2024-03-19 | 农业农村部南京农业机械化研究所 | Four-bar type stem and vine double-acting cutter cutting test device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20150520 |
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| EXPY | Termination of patent right or utility model |