CN107983635A - The wet glutinous high-efficiency grain vibration cleaning plant of Throwing formulas is turned in reciprocal deflecting - Google Patents
The wet glutinous high-efficiency grain vibration cleaning plant of Throwing formulas is turned in reciprocal deflecting Download PDFInfo
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- CN107983635A CN107983635A CN201711493906.1A CN201711493906A CN107983635A CN 107983635 A CN107983635 A CN 107983635A CN 201711493906 A CN201711493906 A CN 201711493906A CN 107983635 A CN107983635 A CN 107983635A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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Abstract
本发明公开了一种往复变向翻拋式湿黏谷物高效振动清选装置，包括有机架、振动筛机构和传动机构，传动机构对称固定在机架左右两侧，振动筛机构固定在传动机构的内侧，横梁安装在限位槽内，翻拋杆的转轴铰接在横梁上，翻拋杆均匀分布构成上清选筛，齿条固定在侧板的外侧，齿轮固定在翻拋杆的转轴上，筛片的末端固定在侧板的圆孔内，筛片均匀固定构成下清选筛，曲柄固定在传动轴的末端，连杆的两端分别铰接在连杆座和曲柄上，圆形滑轨通过螺栓对称固定在机架的前后两端，呈倾斜45°布置，滑块安装在圆形滑轨上，振动筛机构的吊耳固定在滑块上。本发明振动翻拋效果好、籽粒分离效率高、清洁率高、损失率低、结构简单可靠且通用性好。
The invention discloses a high-efficiency vibratory cleaning device for wet sticky grains with reciprocating and direction-changing turning and throwing, which includes a frame, a vibrating screen mechanism and a transmission mechanism. On the inner side of the mechanism, the crossbeam is installed in the limit groove, the rotating shaft of the throwing rod is hinged on the crossbeam, the throwing rods are evenly distributed to form the upper cleaning screen, the rack is fixed on the outside of the side plate, and the gear is fixed on the rotating shaft of the throwing rod On the top, the end of the sieve is fixed in the round hole of the side plate, the sieve is evenly fixed to form the lower cleaning sieve, the crank is fixed at the end of the transmission shaft, and the two ends of the connecting rod are respectively hinged on the connecting rod seat and the crank. The slide rails are symmetrically fixed on the front and rear ends of the frame by bolts, and are arranged at an inclination of 45°. The slide blocks are installed on the circular slide rails, and the lifting lugs of the vibrating screen mechanism are fixed on the slide blocks. The invention has good vibrating turning and throwing effect, high grain separation efficiency, high cleaning rate, low loss rate, simple and reliable structure and good versatility.
Description
技术领域technical field
本发明涉及一种农业机械清选装置，特别涉及一种往复变向翻拋式湿黏谷物高效振动清选装置。The invention relates to a cleaning device for agricultural machinery, in particular to a high-efficiency vibration cleaning device for wet sticky grains with reciprocating and direction-changing turning and throwing.
技术背景technical background
清选是谷物收获过程中关键工序之一，清选损失是谷物收获过程中最主要的损失形式，谷物清洁率的高低对后续粮食储运、加工有重要的影响，特别是水稻、油菜等湿黏谷物清选作业难度大，损失率高，清洁率低，因此，优化湿黏谷物振动清选作业形式，进一步提高清选装置的作业性能是保证湿黏谷物降损增收的关键。Cleaning is one of the key processes in the grain harvesting process. The cleaning loss is the most important form of loss in the grain harvesting process. The level of grain cleaning rate has an important impact on the subsequent grain storage, transportation and processing, especially wet rice, rapeseed, etc. The sticky grain cleaning operation is difficult, with high loss rate and low cleaning rate. Therefore, optimizing the vibratory cleaning operation form of wet sticky grain and further improving the operating performance of the cleaning device are the keys to reduce loss and increase income of wet sticky grain.
目前，国内外谷物收获机通常采用风筛式清选装置，在作业过程中，振动筛在驱动机构的带动下做往复简谐运动，在风机气流的配合下，脱出物在筛面上抖动，脱出物中各成分逐渐分离、分层，质量较轻的颖壳、杂物、短秸秆随着气流排出机体，质量较重的籽粒会在筛面上移动，籽粒在移动的过程中落入筛孔，最终完成透筛。然而，高含水率谷物经过脱粒装置的揉搓、击打后，脱出物表面附着大量的伤流液，黏性物质促使脱出物中各成分不断地粘附在一起，形成块状团聚物，振动筛单一的往复抖动无法打散团聚的物料，籽粒裹挟在物料团中无法及时分离，随着作业时间的延长，物料积聚在清选筛面上，造成筛孔堵塞，清选筛的作业效率大幅降低。在清选装置结构参数不变的条件下，通过大幅提高清选筛的振动频率、风机的转速等作业参数在一定程度上可以减少团聚物料的出现，但是势必产生更多的能耗，缩短清选装置的使用寿命，并且造成物料清选不充分，含杂率过高。At present, domestic and foreign grain harvesters usually use air screen type cleaning devices. During the operation process, the vibrating screen is driven by the driving mechanism to perform reciprocating simple harmonic motion. The components in the extruded product are gradually separated and layered, and the lighter chaff, debris, and short straw are discharged out of the body with the airflow, and the heavier grains will move on the sieve surface, and the grains will fall into the sieve during the movement. holes, and finally complete the sieve. However, after the grains with high moisture content are rubbed and beaten by the threshing device, a large amount of wound fluid is attached to the surface of the extruded product, and the viscous substance promotes the continuous adhesion of the components in the extruded product to form massive aggregates. Vibrating screen A single reciprocating shake cannot break up the agglomerated materials, and the grains are entangled in the material group and cannot be separated in time. With the prolongation of the operation time, the materials accumulate on the cleaning screen surface, causing the screen holes to be blocked, and the operating efficiency of the cleaning screen is greatly reduced. . Under the condition that the structural parameters of the cleaning device remain unchanged, the occurrence of agglomerated materials can be reduced to a certain extent by greatly increasing the operating parameters such as the vibration frequency of the cleaning screen and the speed of the fan, but it will inevitably generate more energy consumption and shorten the cleaning time. The service life of the selection device is shortened, and the cleaning of the material is insufficient, and the impurity content is too high.
综观上述谷物清选装置的技术与性能，急需一种适用于湿黏谷物、翻拋能力强、减黏脱附、作业效率高、可靠性高的往复变向翻拋式湿黏谷物高效振动清选装置。Looking at the technology and performance of the above-mentioned grain cleaning devices, there is an urgent need for a reciprocating, direction-changing, turning, and high-efficiency vibrating cleaner for wet sticky grains, which is suitable for wet sticky grains, has strong turning and throwing capabilities, viscosity reduction and desorption, high operating efficiency, and high reliability. select device.
发明内容Contents of the invention
本发明的目的在于提供一种清选效率高、清洁率高、损失率低、减黏脱附、可靠性高的往复变向翻拋式湿黏谷物高效振动清选装置。The object of the present invention is to provide a high-efficiency vibratory cleaning device for wet sticky grains with reciprocating direction-changing turning and throwing, which has high cleaning efficiency, high cleaning rate, low loss rate, viscosity reduction and desorption, and high reliability.
本发明包括有机架、振动筛机构和传动机构，传动机构对称固定在机架左右两侧，振动筛机构固定在传动机构的内侧；机架包括有左支撑架和右支撑架；振动筛机构包括有翻拋杆、限位架、支柱、吊耳、支脚、侧板、横梁、连杆座、齿条、筛片、弹簧和齿轮，侧板的上部均匀开有条形孔，侧板的下部均匀开有圆孔，翻拋杆的转轴安装在条形孔内，限位架固定在侧板的外侧，限位架两端开有限位槽，横梁安装在限位槽内，翻拋杆的转轴铰接在横梁上，支柱固定在横梁的顶面上，支脚固定在横梁的底面上，支脚的底端开有接口，吊耳固定在侧板的前后两端，连杆座固定在侧板的中间，齿条固定在侧板的外侧，齿轮固定在翻拋杆的转轴上，齿条与齿轮相互啮合，弹簧嵌套在支柱上，位于限位架与横梁之间，起到缓冲作用，筛片的末端固定在侧板的圆孔内，翻拋杆的转轴上均布有翻拋齿，侧板上部的翻拋杆均匀布置构成上清选筛，侧板下部的筛片均匀固定构成下清选筛；传动机构包括有轴承座、传动轴、螺栓、轴卡、曲柄、限位环、连杆、滑槽、销轴、滑轮、圆形滑轨和滑块，传动轴的左端通过轴承座固定在左支撑架上，传动轴的右端通过轴承座固定在右支撑架上，曲柄固定在传动轴的末端，轴卡起限位作用，连杆的一端铰接在连杆座上，连杆的另一端铰接在曲柄上，限位环起限位作用，滑槽对称固定在左支撑架和右支撑架上，滑轮安装在滑槽内，滑轮通过销轴固定在支脚的接口上，圆形滑轨通过螺栓分别固定在左支撑架和右支撑架的前后两端，圆形滑轨呈倾斜45°布置，滑块安装在圆形滑轨上，振动筛机构的吊耳固定在滑块上。The invention includes a frame, a vibrating screen mechanism and a transmission mechanism, the transmission mechanism is symmetrically fixed on the left and right sides of the frame, and the vibrating screen mechanism is fixed on the inner side of the transmission mechanism; the frame includes a left support frame and a right support frame; the vibrating screen mechanism It includes throwing rod, limit frame, pillar, lifting lug, foot, side plate, beam, connecting rod seat, rack, screen, spring and gear. The upper part of the side plate is evenly opened with strip holes, and the side plate The lower part is evenly opened with a round hole, the rotating shaft of the throwing rod is installed in the strip hole, the limit frame is fixed on the outside of the side plate, the limit frame has limit slots at both ends, the beam is installed in the limit groove, and the throwing rod The rotating shaft is hinged on the beam, the pillar is fixed on the top surface of the beam, the leg is fixed on the bottom surface of the beam, the bottom end of the leg has an interface, the lifting lug is fixed on the front and rear ends of the side plate, and the connecting rod seat is fixed on the side plate In the middle, the rack is fixed on the outer side of the side plate, the gear is fixed on the rotating shaft of the throwing rod, the rack and the gear mesh with each other, the spring is nested on the pillar, and is located between the limit frame and the beam to play a buffering role. The end of the sieve is fixed in the round hole of the side plate, the turning shaft of the throwing rod is evenly distributed with turning teeth, the turning and throwing rods on the upper side of the side plate are evenly arranged to form the upper cleaning sieve, and the sieve at the lower part of the side plate is evenly fixed to form a The lower cleaning screen; the transmission mechanism includes bearing housings, transmission shafts, bolts, shaft clamps, cranks, limit rings, connecting rods, chutes, pin shafts, pulleys, circular slide rails and sliders. The left end of the transmission shaft passes through the The bearing seat is fixed on the left support frame, the right end of the transmission shaft is fixed on the right support frame through the bearing seat, the crank is fixed on the end of the transmission shaft, the shaft clamp acts as a limiter, and one end of the connecting rod is hinged on the connecting rod seat. The other end of the rod is hinged on the crank, the limit ring acts as a limit, the chute is symmetrically fixed on the left support frame and the right support frame, the pulley is installed in the chute, and the pulley is fixed on the interface of the foot through the pin shaft The circular slide rails are respectively fixed on the front and rear ends of the left support frame and the right support frame by bolts. The circular slide rails are arranged at an inclination of 45°. superior.
所述的翻拋杆的振动频率等于传动轴的转动频率，翻拋杆的水平振幅约为40mm，翻拋杆的旋转频率等于传动轴的转动频率的2倍。The vibration frequency of the turning and throwing rod is equal to the rotation frequency of the transmission shaft, the horizontal amplitude of the turning and throwing rod is about 40mm, and the rotation frequency of the turning and throwing rod is equal to twice the rotation frequency of the transmission shaft.
所述的筛片的振动频率等于传动轴的转动频率，筛片的振幅取决于曲柄的长度，约为56mm。The vibration frequency of the sieve is equal to the rotation frequency of the transmission shaft, and the vibration amplitude of the sieve depends on the length of the crank, which is about 56mm.
本发明的工作原理及过程：Working principle and process of the present invention:
往复变向翻拋式湿黏谷物高效振动清选装置通过传动轴接入动力，传动轴旋转带动曲柄转动，曲柄连杆往复运动，从而带动振动筛机构沿着圆形滑轨做45°简谐直线振动，传动轴旋转一周为一个振动周期，在水平方向，横梁在限位槽的推动下往复振动，在垂直方向，横梁受到支脚的限位作用，无法纵向运动，横梁与侧板产生了纵向的相对运动，齿条带动齿轮旋转，从而带动翻拋杆旋转，在一个简谐振动周期内，行程过程中，齿条相对于齿轮向上运动，齿轮逆时针转动，翻拋杆逆时针翻拋，回程过程中，齿条相对于齿轮向下运动，齿轮顺时针转动，翻拋杆顺时针翻拋，从而形成了对物料的往复变向翻拋。在清选风机的配合下，湿黏谷物进入上清选筛，在翻拋杆的不断翻拋、击打作用下，团聚物料被打散，籽粒和部分杂质从分散的物料快速分离，进入下清选筛，筛片斜向45°直线振动，对物料进行二次清选。The high-efficiency vibratory cleaning device for reciprocating and turning over-throwing wet sticky grains receives power through the transmission shaft. The rotation of the transmission shaft drives the crank to rotate, and the crank and connecting rod reciprocate, thus driving the vibrating screen mechanism to do a 45° simple harmonic along the circular slide rail. Linear vibration, one rotation of the transmission shaft is a vibration cycle. In the horizontal direction, the beam vibrates back and forth under the push of the limit groove. In the vertical direction, the beam is limited by the feet and cannot move longitudinally. The rack drives the gear to rotate, thereby driving the throwing rod to rotate. In a simple harmonic vibration cycle, during the stroke, the rack moves upward relative to the gear, the gear rotates counterclockwise, and the throwing rod turns counterclockwise. During the return process, the rack moves downward relative to the gear, the gear rotates clockwise, and the throwing lever turns clockwise, thus forming a reciprocating and direction-changing turning of the material. With the cooperation of the cleaning fan, the wet and sticky grains enter the upper cleaning sieve, and under the continuous turning and beating action of the turning and throwing rod, the agglomerated materials are broken up, and the grains and some impurities are quickly separated from the dispersed materials and enter the lower Cleaning sieve, the sieve vibrates linearly at an angle of 45°, and the material is cleaned for the second time.
本发明的有益效果：Beneficial effects of the present invention:
1.翻拋杆的变向翻拋、击打作用有效地阻止了物料团聚，促使湿黏物料在筛面分布均匀，加快籽粒从杂质中的分离速度，有效地提高了作业效率，减少清选损失。1. The direction-changing, throwing and hitting action of the throwing rod effectively prevents the agglomeration of materials, promotes the even distribution of wet and sticky materials on the screen surface, accelerates the separation speed of grains from impurities, effectively improves operating efficiency, and reduces cleaning loss.
2.物料在上清选筛面受到水平振动和翻拋作用，在下清选筛面受到斜向振动作用，多种振动形式耦合作用加强了振动效果。2. The material is subjected to horizontal vibration and throwing action on the upper cleaning screen surface, and oblique vibration on the lower cleaning screen surface. The coupling effect of various vibration forms strengthens the vibration effect.
附图说明Description of drawings
图1是本发明实施例的结构示意图。Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
图2是图1中A处的局部放大视图。Fig. 2 is a partially enlarged view of A in Fig. 1 .
图3是本发明实施例振动筛机构的结构示意图。Fig. 3 is a structural schematic diagram of a vibrating screen mechanism according to an embodiment of the present invention.
图4是图3中B处的局部放大视图。Fig. 4 is a partially enlarged view at B in Fig. 3 .
其中：1—机架；2—振动筛机构；3—传动机构；4—左支撑架；5—轴承座；6—传动轴；7—右支撑架；8—螺栓；9—轴卡；10—曲柄；11—限位环；12—连杆；13—滑槽；14—销轴；15—滑轮；16—圆形滑轨；17—滑块；18—翻拋杆；181—转轴；182—翻拋齿；19—限位架；191—限位槽；20—支柱；21—吊耳；22—支脚；221—接口；23—侧板；231—条形孔；232—圆孔；24—横梁；25—连杆座；26—齿条；27—筛片；28—弹簧；29—齿轮。Among them: 1—frame; 2—vibrating screen mechanism; 3—transmission mechanism; 4—left support frame; 5—bearing seat; 6—transmission shaft; 7—right support frame; 8—bolt; 9—shaft clamp; 10 — crank; 11 — limit ring; 12 — connecting rod; 13 — chute; 14 — pin shaft; 15 — pulley; 16 — circular slide rail; 17 — slider; 182—turning teeth; 19—limiting frame; 191—limiting slot; 20—pillar; 21—hanging lug; 22—leg; 221—interface; 23—side plate; ; 24—beam; 25—connecting rod seat; 26—rack; 27—sieve; 28—spring; 29—gear.
具体实施方式Detailed ways
请参阅图1、图2、图3和图4所示，本实施例包括有机架1、振动筛机构2和传动机构3，传动机构3对称固定在机架1左右两侧，振动筛机构2固定在传动机构3的内侧；机架1包括有左支撑架4和右支撑架7；振动筛机构2包括有翻拋杆18、限位架19、支柱20、吊耳21、支脚22、侧板23、横梁24、连杆座25、齿条26、筛片27、弹簧28和齿轮29，侧板23的上部均匀开有条形孔231，侧板23的下部均匀开有圆孔232，翻拋杆18的转轴181安装在条形孔231内，限位架19固定在侧板23的外侧，限位架19两端开有限位槽191，横梁24安装在限位槽191内，翻拋杆18的转轴181铰接在横梁24上，支柱20固定在横梁24的顶面上，支脚22固定在横梁24的底面上，支脚22的底端开有接口221，吊耳21固定在侧板23的前后两端，连杆座25固定在侧板23的中间，齿条26固定在侧板23的外侧，齿轮29固定在翻拋杆18的转轴181上，齿条26与齿轮29相互啮合，弹簧28嵌套在支柱20上，位于限位架19与横梁24之间，起到缓冲作用，筛片27的末端固定在侧板23的圆孔232内，翻拋杆18的转轴181上均布有翻拋齿182，侧板23上部的翻拋杆18均匀布置构成上清选筛，侧板23下部的筛片27均匀固定构成下清选筛；传动机构3包括有轴承座5、传动轴6、螺栓8、轴卡9、曲柄10、限位环11、连杆12、滑槽13、销轴14、滑轮15、圆形滑轨16和滑块17，传动轴6的左端通过轴承座5固定在左支撑架4上，传动轴6的右端通过轴承座固定在右支撑架7上，曲柄10固定在传动轴6的末端，轴卡9起限位作用，连杆12的一端铰接在连杆座25上，连杆12的另一端铰接在曲柄10上，限位环11起限位作用，滑槽13对称固定在左支撑架4和右支撑架7上，滑轮15安装在滑槽13内，滑轮15通过销轴14固定在支脚22的接口221上，圆形滑轨16通过螺栓8分别固定在左支撑架4和右支撑架7的前后两端，圆形滑轨16呈倾斜45°布置，滑块17安装在圆形滑轨16上，振动筛机构2的吊耳21固定在滑块16上。Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment includes a frame 1, a vibrating screen mechanism 2 and a transmission mechanism 3, and the transmission mechanism 3 is symmetrically fixed on the left and right sides of the frame 1, and the vibrating screen mechanism 2 is fixed on the inner side of the transmission mechanism 3; the frame 1 includes a left support frame 4 and a right support frame 7; Side plate 23, crossbeam 24, connecting rod seat 25, rack 26, sieve plate 27, spring 28 and gear 29, the top of side plate 23 is uniformly provided with bar-shaped hole 231, and the bottom of side plate 23 is evenly provided with circular hole 232 , the rotating shaft 181 of throwing rod 18 is installed in the strip hole 231, the limit frame 19 is fixed on the outside of the side plate 23, the two ends of the limit frame 19 have a limit groove 191, and the crossbeam 24 is installed in the limit groove 191, The rotating shaft 181 of the throwing rod 18 is hinged on the crossbeam 24, the pillar 20 is fixed on the top surface of the crossbeam 24, the support foot 22 is fixed on the bottom surface of the crossbeam 24, the bottom end of the support foot 22 has an interface 221, and the lifting lug 21 is fixed on the side. The front and rear ends of the plate 23, the connecting rod seat 25 is fixed in the middle of the side plate 23, the rack 26 is fixed on the outside of the side plate 23, the gear 29 is fixed on the rotating shaft 181 of the throwing bar 18, and the rack 26 and the gear 29 are connected to each other. meshing, the spring 28 is nested on the pillar 20, and is located between the limit frame 19 and the crossbeam 24 to play a buffering role. There are turning and throwing teeth 182 uniformly distributed on the top, and the turning and throwing rods 18 on the upper part of the side plate 23 are evenly arranged to form the upper cleaning screen, and the screen pieces 27 on the lower part of the side plate 23 are evenly fixed to form the lower cleaning screen; the transmission mechanism 3 includes a bearing seat 5 , transmission shaft 6, bolt 8, shaft clamp 9, crank 10, limit ring 11, connecting rod 12, chute 13, pin shaft 14, pulley 15, circular slide rail 16 and slider 17, the left end of transmission shaft 6 The bearing seat 5 is fixed on the left support frame 4, the right end of the transmission shaft 6 is fixed on the right support frame 7 through the bearing seat, the crank 10 is fixed on the end of the transmission shaft 6, the shaft clamp 9 acts as a limiter, and the connecting rod 12 One end is hinged on the connecting rod seat 25, the other end of the connecting rod 12 is hinged on the crank 10, the limit ring 11 acts as a limiter, the chute 13 is symmetrically fixed on the left support frame 4 and the right support frame 7, and the pulley 15 is installed In the chute 13, the pulley 15 is fixed on the interface 221 of the support foot 22 through the pin shaft 14, and the circular slide rail 16 is respectively fixed on the front and rear ends of the left support frame 4 and the right support frame 7 by bolts 8. 16 is inclined 45 ° arrangement, slide block 17 is installed on the circular slide rail 16, and the lug 21 of vibrating screen mechanism 2 is fixed on the slide block 16.
所述的翻拋杆18的振动频率等于传动轴6的转动频率，翻拋杆18的水平振幅约为40mm，翻拋杆18的旋转频率等于传动轴6的转动频率的2倍。The vibration frequency of described throwing bar 18 is equal to the rotational frequency of transmission shaft 6, and the horizontal amplitude of turning over throwing bar 18 is about 40mm, and the rotational frequency of turning over throwing bar 18 is equal to 2 times of the rotational frequency of transmission shaft 6.
所述的筛片27的振动频率等于传动轴6的转动频率，筛片27的振幅取决于曲柄10的长度，约为56mm。The vibration frequency of the sieve 27 is equal to the rotation frequency of the transmission shaft 6, and the vibration amplitude of the sieve 27 depends on the length of the crank 10, which is about 56 mm.
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| CN108686928A (en) * | 2018-06-04 | 2018-10-23 | 吉林大学 | Synchronous different width nesting kneader type cereal takes off vibrating sieve for removing impurities again |
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| CN108686928B (en) * | 2018-06-04 | 2024-01-12 | 吉林大学 | Synchronous variable amplitude nested kneading grain complex removal vibrating screen |
| CN109201464A (en) * | 2018-10-09 | 2019-01-15 | 中国农业大学 | A kind of corn sorting screen based on three planar movement mechanisms |
| CN109201464B (en) * | 2018-10-09 | 2024-02-06 | 中国农业大学 | Corn cleaning screen based on three-plane moving mechanism |
| CN111468389B (en) * | 2020-04-21 | 2021-11-19 | 衡南世源农业发展有限公司 | Fine grain classificator driven by grain falling impact |
| CN111468389A (en) * | 2020-04-21 | 2020-07-31 | 李继美 | A fine grain concentrator driven by grain falling impact |
| CN113083666B (en) * | 2021-03-29 | 2022-08-09 | 东北农业大学 | Variable inclination seed grain sieving mechanism |
| CN113083666A (en) * | 2021-03-29 | 2021-07-09 | 东北农业大学 | Seed grain screening device with variable inclination angle |
| CN113498664B (en) * | 2021-07-23 | 2022-07-29 | 吉林大学 | Self-adaptive cyperus esculentus harvesting and soil-lifting control device |
| CN113498664A (en) * | 2021-07-23 | 2021-10-15 | 吉林大学 | Self-adaptive cyperus esculentus harvesting and soil-lifting control device |
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