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CN108362585B - Potato-soil separation test platform for potato collision damage test - Google Patents

Potato-soil separation test platform for potato collision damage test Download PDF

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Publication number
CN108362585B
CN108362585B CN201810106350.4A CN201810106350A CN108362585B CN 108362585 B CN108362585 B CN 108362585B CN 201810106350 A CN201810106350 A CN 201810106350A CN 108362585 B CN108362585 B CN 108362585B
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China
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adjusting
potato
amplitude adjusting
amplitude
shaft
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CN108362585A (en
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李洪文
魏忠彩
李学强
王庆杰
何进
苏国梁
刘文政
徐琪蒙
王春雷
董超
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China Agricultural University
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China Agricultural University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00Investigating materials by mechanical methods

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  • Life Sciences & Earth Sciences (AREA)
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  • General Physics & Mathematics (AREA)
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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention belongs to the field of agricultural machinery, and particularly relates to a potato-soil separation test platform for a potato collision damage test, which comprises a conveying feeding table and a potato-soil separation table, wherein the conveying feeding table comprises a feeding device, a first adjusting device and a first support (1), and the tail ends of the front and rear directions of 2 longitudinal rods of the first support (1) are provided with first hinged seats (2); the feeding device arranged above the first support (1) comprises an electric push rod (3), a first fixing frame (4), a material bearing groove (5), a material guide groove (6), a connecting frame (7) and a material pushing plate (8), the first adjusting device positioned between the first support (1) and the feeding device comprises a first adjusting frame (9) and a first adjusting rod (10), and the potato and soil separating table comprises a box body, a conveying and separating device and a second adjusting device; the invention has convenient operation and good test effect, is beneficial to searching the separation efficiency and the harvest quality of the potato and the soil under various test conditions, and the test platform has stronger adaptability.

Description

Potato-soil separation test platform for potato collision damage test
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to a potato-soil separation test platform for a potato collision damage test.
Background
At present, potato harvesting is already substantially mechanized in the big background of national potato staple grain. However, the potatoes are generally damaged to a certain extent on the separating sieve in the harvesting process under the condition of multiple collisions, so that the peel breaking rate and the potato damage rate of the current mechanical potato harvesting are still high, and unnecessary loss is brought to potato growers. It is necessary to develop a basic research on the collision damage of potatoes, but it is basically impossible to achieve a good experimental effect by directly using an existing potato harvester. On the one hand, the use of existing potato harvesters cannot control the basic parameters affecting harvest quality, such as different potato-soil ratios, potato-stone ratios and potato-soil mixture thicknesses. On the other hand, key parameters influencing the potato-soil separation efficiency and the harvest quality, such as the running speed and the inclination angle of the separation sieve and the speed of feeding the potato-soil mixture into the separation sieve, are adjusted by using the existing potato harvester, so that the key parameters are difficult to realize. Therefore, at present, the existing harvester is difficult to systematically develop the potato-soil separation test research under the conditions of complex and variable parameters, and the ideal test effect under various test conditions cannot be obtained, so that the structure of the potato harvester is optimized and improved, and the loss reduction control of the harvesting link is realized.
By means of the current situation of the potato harvesting machinery industry, a potato-soil separation test platform for a potato collision damage test is urgently needed.
Disclosure of Invention
The invention aims to provide a potato-soil separation test platform which can overcome the problems of the existing potato harvesting link collision damage test, realize the control of the potato-soil ratio of the fed material, realize the controllability of the material thickness of a potato-soil mixture, realize the adjustability of the vibration strength and the vibration frequency, realize the effective adjustment of parameters such as the operation speed, the inclination angle of a separation sieve, the speed of feeding the potato-soil mixture into the separation sieve and the like, realize the collision test under the condition of conveying the separation sieve with constant potato-soil proportion, realize the effective analysis of the separation efficiency, effectively find the potato-soil separation efficiency and the harvest quality, have wide application range and work reliability and is used for the potato collision damage test.
The purpose of the invention is realized by the following technical scheme:
the potato and soil separation test platform for the potato collision damage test comprises a conveying feeding table and a potato and soil separation table, wherein the conveying feeding table is positioned behind the potato and soil separation table;
the conveying and feeding table comprises a feeding device, a first adjusting device and a first support 1, wherein a pair of first hinge seats 2 is symmetrically arranged at the rear end of the first support 1, and a pair of third hinge seats 4 is symmetrically arranged at the front end of the first support 1;
the feeding device is arranged above the first support 1 and comprises an electric push rod 3, a material bearing groove 5, a material guide groove 6 and a material pushing plate 8;
the material pushing plate 8 is arranged in the material bearing groove 5, one end of the electric push rod 3 is fixedly connected to the rear side face of the material pushing plate 8, and the other end of the electric push rod is fixedly connected to the rear end of the material bearing groove 5; the electric push rod 3 is connected with a motor;
a guide chute 6 with a lower front part and a higher rear part is arranged at the front end of the material bearing chute 5;
the first adjusting device comprises a first adjusting frame 9 and a first adjusting rod 10, wherein the lower end of the first adjusting rod 10 is hinged with the first hinge seat 2, an external thread is arranged at the upper end of the first adjusting rod 10, the first adjusting frame 9 is fixedly connected to the rear part of the material bearing groove 5, an elongated slot is formed in the first adjusting frame 9 along the front-back direction, the upper end of the first adjusting rod 10 penetrates through the elongated slot, and nuts are respectively arranged on the first adjusting rod 10 and positioned on the upper surface and the lower surface of the first adjusting frame 9;
the first connecting rod 11 is arranged between the pair of third hinge seats 4, and the front part of the material bearing groove 5 is placed on the first connecting rod 11;
the potato and soil separating table comprises a box body, a conveying and separating device and a second adjusting device;
the box body comprises vertical plates 12 and cross beams 13, and the two vertical plates 12 arranged along the vertical direction are connected through a plurality of cross beams 13 horizontally and transversely arranged;
coaxial circular holes are symmetrically formed in the rear ends of the two vertical plates 12, a long groove with the central line horizontal to the axis of the circular holes is formed in the front end of the box body, a discharge chute 14 with a lower front part and a higher rear part is arranged below the long groove, and the guide chute 6 is arranged between the two vertical plates 12;
the conveying and separating device comprises a reversing rubber wheel 15, a driving shaft 16, a plum blossom wheel 17, a first driving device 18, a vibrating device, a front amplitude adjusting device, a rear amplitude adjusting device and a conveying and separating sieve 19;
a pair of reversing rubber wheels 15 are respectively arranged in round holes at the rear ends of the two vertical plates 12, the axes of the reversing rubber wheels 15 are consistent with the axes of the round holes, a driving shaft 16 is rotatably connected in the long-strip grooves of the two vertical plates 12, a variable-speed first driving device 18 is arranged at the extending end of one end of the driving shaft 16 after penetrating through the vertical plates 12, and two quincuncial wheels 17 are respectively and symmetrically arranged and sleeved at the two ends of the driving shaft 16 and the inner sides of the two vertical plates 12;
the vibrating device comprises a vibrating shaft 21, a second driving device 22, a connecting disc 23 and a vibrating rubber wheel 24, the vibrating shaft 21 is rotatably connected between the two vertical plates 12, the vibrating shaft 21 is positioned behind the driving shaft 16, one end of the vibrating shaft 21 penetrates through the extending end of the vertical plate 12 and is provided with the second driving device 22 with variable speed, connecting discs 23 are respectively and symmetrically arranged at two ends of the vibration shaft 21 and at the inner sides of the two vertical plates 12, a round hole is arranged at the center of each connecting disc 23, three lugs radially extending out of the circular hole, a circular hole in the end of each lug, the included angle between the center lines of two adjacent lugs is 120 degrees, the two connecting discs 23 are fixedly connected to the two ends of the vibration shaft 21 through round holes in the centers of the connecting discs 23, the vibration rubber wheel 24 is connected to each lug of the connecting discs 23 through the round holes in the lugs, and the axis of the vibration rubber wheel 24 is parallel to the axis of the vibration shaft 21;
the front amplitude adjusting device comprises a front amplitude adjusting shaft 26, a front amplitude adjusting plate 27, a front amplitude adjusting arm 28, a front amplitude rubber wheel connecting plate 29 and a front amplitude adjusting rubber wheel 30, wherein the front amplitude adjusting shaft 26 is rotatably connected between two vertical plates 12, the front amplitude adjusting shaft 26 is positioned behind the vibrating shaft 21, the front amplitude adjusting plate 27 is arc-shaped and fixed on the outer side of one vertical plate 12, the front amplitude adjusting plate 27 is provided with a plurality of clamping grooves arranged at intervals along the arc-shaped top, one end of the front amplitude adjusting shaft 26 is fixedly connected with the lower end of the front amplitude adjusting arm 28, the upper part of the front amplitude adjusting arm 28 is provided with a long groove, the long groove of the front amplitude adjusting arm 28 is movably and adjustably connected with the clamping groove of the front amplitude adjusting plate 27 through an adjusting handle, the lower ends of the two front amplitude rubber wheel connecting plates 29 are fixedly connected on the front amplitude adjusting shaft 26, and the upper end of each front amplitude rubber, the axis of the front amplitude adjustment rubber wheel 30 is parallel to the axis of the front amplitude adjustment shaft 26;
the rear amplitude adjusting device comprises a rear amplitude adjusting shaft 31, a rear amplitude adjusting plate 32, a rear amplitude adjusting arm 33, a rear amplitude rubber wheel connecting plate 34 and a rear amplitude adjusting rubber wheel 35, wherein the rear amplitude adjusting shaft 31 is rotatably connected between two vertical plates 12, the rear amplitude adjusting shaft 31 is positioned in front of the vibrating shaft 21, the rear amplitude adjusting plate 32 is arc-shaped and fixed on the outer side of one vertical plate 12, the rear amplitude adjusting plate 32 is provided with a plurality of clamping grooves arranged at intervals along the arc-shaped top, one end of the rear amplitude adjusting shaft 31 is fixedly connected with the lower end of the rear amplitude adjusting arm 33, the upper part of the rear amplitude adjusting arm 33 is provided with a long groove, the long groove of the rear amplitude adjusting arm 33 is movably and adjustably connected with the clamping groove of the rear amplitude adjusting plate 32 through an adjusting handle, the lower ends of the two rear amplitude rubber wheel connecting plates 34 are fixedly connected on the rear amplitude adjusting shaft 31, and the upper end of, the axis of the rear amplitude adjustment rubber wheel 35 is parallel to the axis of the rear amplitude adjustment shaft 31;
the conveying separation screen 19 sequentially passes through the upper surface of the reversing rubber wheel 15, the upper surface of the front amplitude adjusting rubber wheel 30, the upper surface of the vibrating rubber wheel 24, the upper surface of the rear amplitude adjusting rubber wheel 35 and the upper surface of the plum blossom wheel 17 to form an annular shape;
the second adjusting device is arranged below the conveying and separating device;
the second adjusting device comprises a second bracket 36, a second adjusting bracket 37, a second adjusting rod 38, a second hinge seat 39 and a trash discharging groove 41;
a pair of fourth hinged seats 20 is symmetrically arranged at the rear end of the second support 36, a pair of second hinged seats 39 is symmetrically arranged at the front end, the lower end of a second adjusting rod 38 is hinged with the second hinged seats 39, external threads are arranged at the upper end of the second adjusting rod 38, a second adjusting frame 37 is fixedly connected to the outer side of the front end of the vertical plate 12 of the conveying and separating device, a long groove is formed in the second adjusting frame 37 along the front-back direction, the upper end of the second adjusting rod 38 penetrates through the long groove, and nuts are respectively arranged on the second adjusting rod 38 and positioned on the upper surface and the lower surface of the second adjusting frame 37;
the second connecting rod 40 is arranged between the pair of fourth articulated seats 20, the rear part of the conveying and separating device is placed on the second connecting rod 40;
the impurity discharging groove 41 is arranged on the second bracket 36 and is positioned right below the potato and soil separating device.
The central line of the front amplitude rubber wheel connecting plate 29 and the central line of the front amplitude adjusting arm 28 form an included angle of 45 degrees.
The central line of the back amplitude rubber wheel connecting plate 34 and the central line of the back amplitude adjusting arm 33 form an included angle of 45 degrees.
The width of the trash groove 41 is greater than the width of the second bracket 36.
An annular canvas layer is arranged on the annular inner side of the conveying separation screen 19, and the width of the canvas layer is smaller than that of the conveying separation screen 19.
The two sides of the impurity discharging groove 41 are arranged in a manner that one side is higher and the other side is lower.
The invention has the beneficial effects that:
compared with the prior art, the invention can realize the inclination angle adjustment of the feeding device and the conveying separation device due to the design of the first adjusting device and the second adjusting device, and can complete the potato-soil separation collision damage test under the condition of adjusting different material feeding angles and the inclination angle of the conveying separation sieve; because a front amplitude adjusting device, a vibrating device and a rear amplitude adjusting device are designed, the supporting degree of the jacking conveying separating screen is controlled by using the front amplitude adjusting rubber wheel and the rear amplitude adjusting rubber wheel to adjust the vibration intensity of the conveying separating screen in the conveying separating process, and the vibrating device is driven by a second driving device with variable speed to rotate, so that the potato-soil separation collision damage test under different vibration frequency conditions can be completed; the driving shaft is driven by the first driving device with variable speed to rotate, so that the potato-soil separation collision damage test under different conditions of the operation speed of the conveying separation sieve can be completed; the designed feeding device can control the feeding speed of the potato soil mixture by controlling the extension speed of the electric push rod, and can complete potato soil separation collision damage tests under different potato soil mixture supply amount conditions; the potato-soil proportion and the thickness of the potato-soil mixture in the material bearing groove can be controlled, and the potato-soil separation collision test under the condition of adjusting parameters such as different material loading potato-soil ratios, potato block density and the thickness of the potato-soil mixture can be completed; and the collision test under the condition of constant potato soil proportion on the conveying and separating sieve can be realized. In addition, the potato-soil separation efficiency under different test conditions is analyzed by obtaining the amount of impurities discharged by the impurity discharge groove, so that the problem that the potato-soil separation efficiency is not suitable for evaluation in the test of the existing harvester can be solved. The invention has convenient adjustment and good test effect, is beneficial to searching the potato-soil separation efficiency and the harvest quality under various test conditions, and has stronger adaptability to different potato-soil separation collision damage tests.
Drawings
FIG. 1 is a schematic structural diagram of a potato-soil separation test platform for potato collision damage testing according to the present invention;
FIG. 2 is a schematic structural view of another direction of the potato soil separation test platform for the potato collision damage test of the present invention;
FIG. 3 is a schematic structural view of the conveying and loading table of the present invention;
FIG. 4 is a schematic structural view of the potato soil separation station of the present invention after the conveying and separating screen and the upper cross beam have been concealed;
FIG. 5 is a schematic view of another orientation of the potato soil separation station of the present invention after the conveying screen and upper cross member have been hidden.
Reference numerals:
1. first support 2, first articulated seat 3, electric putter
4. A third hinged seat 5, a material bearing groove 6 and a material guide groove
8. A material pushing plate 9, a first adjusting frame 10 and a first adjusting rod
11. A first connecting rod 12, a vertical plate 13 and a cross beam
14. Discharge chute 15, reversing rubber wheel 16 and driving shaft
17. Plum-blossom-shaped wheel 18, first driving device 19 and conveying separation sieve
20. Fourth articulated seat 21, vibration shaft 22, second driving device
23. Connecting disc 24, vibrating rubber wheel 26 and front amplitude adjusting shaft
27. Front amplitude adjusting plate 28, front amplitude adjusting arm 29 and front amplitude rubber wheel connecting plate
30. Front amplitude adjusting rubber wheel 31, rear amplitude adjusting shaft 32 and rear amplitude adjusting plate
33. Back amplitude adjusting arm 34 and back amplitude rubber wheel connecting plate
35. Rear amplitude adjusting rubber wheel 36, second bracket 37 and second adjusting frame
38. A second adjusting rod 39, a second hinge seat 40 and a second connecting rod
41. V potato soil mixture advancing direction of impurity removing groove
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
In the invention, the advancing direction V of the potato-soil mixture is the front of the potato-soil separation test platform.
As shown in figures 1-8, the potato and soil separation test platform for the potato collision damage test comprises a conveying feeding platform and a potato and soil separation platform. The conveying and feeding platform is positioned behind the potato and soil separating platform.
The conveying and feeding table comprises a feeding device, a first adjusting device and a first support 1. The rear end of the first bracket 1 is symmetrically provided with a pair of first hinge seats 2, and the front end is symmetrically provided with a pair of third hinge seats 4.
The feeding device is arranged above the first support 1 and comprises an electric push rod 3, a material bearing groove 5, a material guide groove 6 and a material pushing plate 8.
The material pushing plate 8 is arranged in the material bearing groove 5, one end of the electric push rod 3 is fixedly connected to the rear side face of the material pushing plate 8, and the other end of the electric push rod is fixedly connected to the rear end of the material bearing groove 5. The electric push rod 3 is connected with a motor (not shown in the figure). The electric push rod 3 is used for pushing the material pushing plate 8 to push the potato soil mixture forward.
A material guide groove 6 with a lower front part and a higher rear part is arranged at the front end of the material bearing groove 5.
The first adjusting device comprises a first adjusting frame 9 and a first adjusting rod 10. The lower end of the first adjusting rod 10 is hinged with the first hinge base 2, the upper end of the first adjusting rod 10 is provided with external threads, the first adjusting frame 9 is fixedly connected to the rear portion of the material bearing groove 5, the first adjusting frame 9 is provided with a long groove along the front-back direction, the upper end of the first adjusting rod 10 penetrates through the long groove, and nuts are respectively arranged on the first adjusting rod 10 and on the upper surface and the lower surface of the first adjusting frame 9.
The first connecting rod 11 is arranged between the pair of third hinge seats 4, and the front part of the material bearing groove 5 is placed on the first connecting rod 11, so that the material bearing groove 5 rotates by taking the first connecting column 11 as a fulcrum, and the inclination angle of the feeding device is adjusted.
The potato and soil separating table comprises a box body, a conveying and separating device and a second adjusting device.
The box body comprises vertical plates 12 and cross beams 13, and the two vertical plates 12 arranged along the vertical direction are connected through a plurality of cross beams 13 horizontally and transversely arranged.
Coaxial round holes are symmetrically arranged at the rear ends of the two vertical plates 12, a long strip groove with the central line horizontal to the axis of the round hole is arranged at the front end, a discharge chute 14 with a lower front part and a higher rear part is arranged below the long strip groove at the front end of the box body, and the guide chute 6 is arranged between the two vertical plates 12.
The conveying and separating device comprises a reversing rubber wheel 15, a driving shaft 16, a plum blossom wheel 17, a first driving device 18, a vibrating device, a front amplitude adjusting device, a rear amplitude adjusting device and a conveying and separating screen 19.
A pair of reversing rubber wheels 15 are respectively arranged in round holes at the rear ends of the two vertical plates 12, the axes of the reversing rubber wheels 15 are consistent with the axes of the round holes, a driving shaft 16 is rotatably connected in the long-strip grooves of the two vertical plates 12, a variable-speed first driving device 18 is arranged at the extending end of one end of the driving shaft 16 penetrating through the vertical plates 12, and two quincuncial wheels 17 are respectively and symmetrically arranged and sleeved at the two ends of the driving shaft 16 and the inner sides of the two vertical plates 12.
The vibrating device comprises a vibrating shaft 21, a second driving device 22, a connecting disc 23 and a vibrating rubber wheel 24. The vibration shaft 21 is rotatably connected between the two vertical plates 12, the vibration shaft 21 is positioned behind the driving shaft 16, one end of the vibration shaft 21 penetrates through the extending end of each vertical plate 12 and is provided with a second driving device 22 with variable speed, connecting discs 23 are symmetrically arranged at two ends of the vibration shaft 21 and at the inner sides of the two vertical plates 12 respectively, a round hole is formed in the center of each connecting disc 23, three lugs radially extend out of the circumferential plane of the round hole, the tail end of each lug is provided with a round hole, and the included angle between the central lines of the two adjacent lugs is 120 degrees. The two connecting discs 23 are respectively and fixedly connected with two ends of the vibrating shaft 21 on the inner sides of the two vertical plates 12 through round holes in the center positions of the connecting discs 23, the vibrating rubber wheels 24 are connected to each lug of the connecting discs 23 through round holes in the lugs, and the axis of each vibrating rubber wheel 24 is parallel to the axis of the vibrating shaft 21.
The front amplitude adjusting device comprises a front amplitude adjusting shaft 26, a front amplitude adjusting plate 27, a front amplitude adjusting arm 28, a front amplitude rubber wheel connecting plate 29 and a front amplitude adjusting rubber wheel 30. The front amplitude adjusting shaft 26 is rotatably connected between the two vertical plates 12, the front amplitude adjusting shaft 26 is located behind the vibrating shaft 21, the front amplitude adjusting plate 27 is arc-shaped and fixed on the outer side of one vertical plate 12, a plurality of clamping grooves arranged at intervals are formed in the front amplitude adjusting plate 27 along the top of the arc, one end of the front amplitude adjusting shaft 26 is fixedly connected with the lower end of the front amplitude adjusting arm 28, a long groove is formed in the upper portion of the front amplitude adjusting arm 28, and the long groove of the front amplitude adjusting arm 28 is movably and adjustably connected with the clamping grooves of the front amplitude adjusting plate 27 through an adjusting handle. The lower ends of the two front amplitude rubber wheel connecting plates 29 are fixedly connected to the front amplitude adjusting shaft 26, the upper ends of the front amplitude rubber wheel connecting plates 29 are respectively provided with a front amplitude adjusting rubber wheel 30, and the axis of each front amplitude adjusting rubber wheel 30 is parallel to the axis of the front amplitude adjusting shaft 26. The central line of the front amplitude rubber wheel connecting plate 29 and the central line of the front amplitude adjusting arm 28 form an included angle of 45 degrees.
The back amplitude adjusting device comprises a back amplitude adjusting shaft 31, a back amplitude adjusting plate 32, a back amplitude adjusting arm 33, a back amplitude rubber wheel connecting plate 34 and a back amplitude adjusting rubber wheel 35. The rear amplitude adjusting shaft 31 is rotatably connected between the two vertical plates 12, the rear amplitude adjusting shaft 31 is located in front of the vibrating shaft 21, the rear amplitude adjusting plate 32 is arc-shaped and fixed on the outer side of one vertical plate 12, a plurality of clamping grooves arranged at intervals are formed in the rear amplitude adjusting plate 32 along the arc-shaped top, one end of the rear amplitude adjusting shaft 31 is fixedly connected with the lower end of the rear amplitude adjusting arm 33, a long groove is formed in the upper portion of the rear amplitude adjusting arm 33, and the long groove of the rear amplitude adjusting arm 33 is movably and adjustably connected with the clamping grooves of the rear amplitude adjusting plate 32 through an adjusting handle. The lower ends of the two rear amplitude rubber wheel connecting plates 34 are fixedly connected to the rear amplitude adjusting shaft 31, rear amplitude adjusting rubber wheels 35 are arranged at the upper ends of the rear amplitude rubber wheel connecting plates 34, and the axes of the rear amplitude adjusting rubber wheels 35 are parallel to the axis of the rear amplitude adjusting shaft 31. The central line of the back amplitude rubber wheel connecting plate 34 and the central line of the back amplitude adjusting arm 33 form an included angle of 45 degrees.
The conveying separation screen 19 sequentially passes through the upper surface of the reversing rubber wheel 15, the upper surface of the front amplitude adjusting rubber wheel 30, the upper surface of the vibrating rubber wheel 24, the upper surface of the rear amplitude adjusting rubber wheel 35 and the upper surface of the plum blossom wheel 17 to form a ring shape.
The second adjusting device is arranged below the conveying and separating device.
And the second adjusting device comprises a second bracket 36, a second adjusting bracket 37, a second adjusting rod 38, a second hinge seat 39 and a trash discharging groove 41.
The rear end of the second bracket 36 is symmetrically provided with a pair of fourth hinged seats 20, the front end is symmetrically provided with a pair of second hinged seats 39, the lower end of a second adjusting rod 38 is hinged with the second hinged seats 39, the upper end of the second adjusting rod 38 is provided with external threads, a second adjusting frame 37 is fixedly connected to the outer side of the front end of the vertical plate 12 of the conveying and separating device, the second adjusting frame 37 is provided with a long groove along the front-back direction, the upper end of the second adjusting rod 38 penetrates through the long groove, and nuts are respectively arranged on the upper surface and the lower surface of the second adjusting frame 37 on the second adjusting rod 38.
The second connecting rod 40 is arranged between the pair of fourth hinged seats 20, and the rear part of the conveying and separating device is placed on the second connecting rod 40, so that the conveying and separating device rotates by taking the second connecting column 40 as a fulcrum, and the inclination angle adjustment of the conveying and separating device is realized.
The impurity discharging groove 41 is arranged on the second support 36 and is positioned under the potato and soil separating device, and two sides of the impurity discharging groove 41 are arranged in a manner that one side is high and the other side is low. Preferably, the width of the trash groove 41 is greater than the width of the second bracket 36.
An annular canvas layer (not shown) is provided on the inner side of the ring of the conveying and separating sieve 19, and a collision test can be performed under the condition of a constant potato-soil ratio on the conveying and separating sieve 19, wherein the width of the canvas layer is narrower than that of the conveying and separating sieve 19.
The working process of the invention is as follows:
before the test, the conveying feeding table and the potato-soil separating table are combined together to form a potato-soil separating test platform for the potato collision damage test, a potato-soil mixture meeting the test conditions is filled in the material bearing groove 5, and the speed of pushing the potato-soil mixture by the material pushing plate 8 is realized by controlling the extension speed of the electric push rod 3 so as to realize different potato-soil mixture feeding amounts of the potato-soil separating table; the height adjustment of the first adjusting frame 9 is realized through the positions of two nuts of a first adjusting rod 10 on the first adjusting device, namely the inclination angle adjustment of the material bearing groove 5 is realized, so that the potato-soil separation collision damage test under the condition of different potato-soil mixture feeding angles is realized; the height adjustment of the second adjusting frame 37 is realized through the positions of two nuts of a second adjusting rod on the second adjusting device, namely the inclination angle adjustment of the conveying and separating sieve 19 of the potato-soil separating table is realized, so that the potato-soil separation collision damage test under different inclination angle conditions of the conveying and separating sieve is realized; the conveying and separating sieve 19 is driven by the first driving device 18 with variable speed to move forwards, so that a potato and soil separation collision damage test under the condition of different operating speeds of the conveying and separating sieve 19 can be realized; the supporting degree of the jacking conveying separation sieve 19 is controlled by utilizing the front amplitude adjustment rubber wheel 30 and the rear amplitude adjustment rubber wheel 35 to adjust the vibration intensity of the conveying separation sieve 19 in the conveying separation process, the vibration device is driven by the second driving device 22 with variable speed to rotate so as to control the frequency and the vibration intensity of the vibration rubber wheel 24 arranged on the connecting disc 23 for hitting the conveying separation sieve 19, and the potato and soil separation collision damage test under different vibration intensity conditions can be completed; the potato soil loading proportion and the material thickness of the potato soil mixture in the material bearing groove 5 can be controlled, and the potato soil separation collision damage test can be completed under the condition of adjusting parameters such as different potato soil loading ratios, potato block density and the thickness of the potato soil mixture. In addition, the potato and soil separation efficiency under different test conditions is analyzed according to the amount of impurities discharged from the inclined impurity discharging groove 41.
In addition, the canvas layer arranged on the annular inner side of the conveying separating screen 19 can be utilized to realize the collision test under the condition of constant potato soil proportion on the conveying separating screen 19, and soil and impurities are not separated in the process, so that the impact rule of the potato soil mixture on the conveying separating screen 19 under the condition of different potato soil proportion on the potato collision damage can be found.

Claims (6)

1. A potato soil separation test platform for potato collision damage test, its characterized in that: the potato and soil separating device comprises a conveying feeding platform and a potato and soil separating platform, wherein the conveying feeding platform is positioned behind the potato and soil separating platform;
the conveying and feeding table comprises a feeding device, a first adjusting device and a first support (1), wherein a pair of first hinge seats (2) are symmetrically arranged at the rear end of the first support (1), and a pair of third hinge seats (4) are symmetrically arranged at the front end of the first support;
the feeding device is arranged above the first support (1) and comprises an electric push rod (3), a material receiving groove (5), a material guide groove (6) and a material pushing plate (8);
the material pushing plate (8) is arranged in the material receiving groove (5), one end of the electric push rod (3) is fixedly connected to the rear side face of the material pushing plate (8), and the other end of the electric push rod is fixedly connected to the rear end of the material receiving groove (5); the electric push rod (3) is connected with the motor;
a guide chute (6) with a lower front part and a higher rear part is arranged at the front end of the material bearing chute (5);
the first adjusting device comprises a first adjusting frame (9) and a first adjusting rod (10), wherein the lower end of the first adjusting rod (10) is hinged to the first hinge seat (2), an external thread is arranged at the upper end of the first adjusting rod (10), the first adjusting frame (9) is fixedly connected to the rear portion of the material bearing groove (5), a long groove is formed in the first adjusting frame (9) in the front-back direction, the upper end of the first adjusting rod (10) penetrates through the long groove, and nuts are arranged on the first adjusting rod (10) and located on the upper surface and the lower surface of the first adjusting frame (9);
the first connecting rod (11) is arranged between the pair of third hinging seats (4), and the front part of the material bearing groove (5) is placed on the first connecting rod (11);
the potato and soil separating table comprises a box body, a conveying and separating device and a second adjusting device;
the box body comprises vertical plates (12) and cross beams (13), and the two vertical plates (12) arranged along the vertical direction are connected through a plurality of cross beams (13) horizontally and transversely arranged;
coaxial round holes are symmetrically arranged at the rear ends of the two vertical plates (12), a long strip groove with the central line horizontal to the axis of the round hole is arranged at the front end, a discharge groove (14) with a lower front part and a higher rear part is arranged below the long strip groove at the front end of the box body, and a guide chute (6) is arranged between the two vertical plates (12);
the conveying and separating device comprises a reversing rubber wheel (15), a driving shaft (16), a plum blossom wheel (17), a first driving device (18), a vibrating device, a front amplitude adjusting device, a rear amplitude adjusting device and a conveying and separating screen (19);
a pair of reversing rubber wheels (15) are respectively arranged in round holes at the rear ends of the two vertical plates (12), the axes of the reversing rubber wheels (15) are consistent with the axes of the round holes, a driving shaft (16) is rotatably connected in the long-strip grooves of the two vertical plates (12), a variable-speed first driving device (18) is arranged at the extending end of one end of the driving shaft (16) after penetrating through the vertical plates (12), and two quincuncial wheels (17) are respectively and symmetrically arranged and sleeved at the two ends of the driving shaft (16) and the inner sides of the two vertical plates (12);
the vibrating device comprises a vibrating shaft (21), a second driving device (22), a connecting disc (23) and a vibrating rubber wheel (24), wherein the vibrating shaft (21) is rotatably connected between two vertical plates (12), the vibrating shaft (21) is positioned behind a driving shaft (16), one end of the vibrating shaft (21) penetrates through the extending end of each vertical plate (12) and is provided with the second driving device (22) capable of changing speed, the connecting discs (23) are symmetrically arranged at the two ends of the vibrating shaft (21) and the inner sides of the two vertical plates (12), a round hole is formed in the center of each connecting disc (23), three lugs radially extend out of the circumferential plane of the round hole, the tail end of each lug is provided with a round hole, the included angle of the center lines of the two adjacent lugs is 120 degrees, the two connecting discs (23) are fixedly connected to the two ends of the vibrating shaft (21) through the round holes in the center of the connecting discs (23), and the vibrating rubber wheel (24) is connected to each lug of the connecting disc, the axis of the vibrating rubber wheel (24) is parallel to the axis of the vibrating shaft (21);
the front amplitude adjusting device comprises a front amplitude adjusting shaft (26), a front amplitude adjusting plate (27), a front amplitude adjusting arm (28), a front amplitude rubber wheel connecting plate (29) and a front amplitude adjusting rubber wheel (30), wherein the front amplitude adjusting shaft (26) is rotatably connected between two vertical plates (12), the front amplitude adjusting shaft (26) is positioned behind a vibrating shaft (21), the front amplitude adjusting plate (27) is arc-shaped and fixed on the outer side of one vertical plate (12), a plurality of clamping grooves which are arranged at intervals are formed in the front amplitude adjusting plate (27) along the arc top, one end of the front amplitude adjusting shaft (26) is fixedly connected with the lower end of the front amplitude adjusting arm (28), an elongated groove is formed in the upper part of the front amplitude adjusting arm (28), the elongated groove of the front amplitude adjusting arm (28) is movably and adjustably connected with the clamping grooves of the front amplitude adjusting plate (27) through an adjusting handle, the lower ends of the two front amplitude rubber wheel connecting plates (29) are fixedly connected to the front amplitude adjusting shaft, the upper ends of the front amplitude rubber wheel connecting plates (29) are respectively provided with a front amplitude adjusting rubber wheel (30), and the axis of the front amplitude adjusting rubber wheel (30) is parallel to the axis of the front amplitude adjusting shaft (26);
the rear amplitude adjusting device comprises a rear amplitude adjusting shaft (31), a rear amplitude adjusting plate (32), a rear amplitude adjusting arm (33), a rear amplitude rubber wheel connecting plate (34) and a rear amplitude adjusting rubber wheel (35), wherein the rear amplitude adjusting shaft (31) is rotatably connected between two vertical plates (12), the rear amplitude adjusting shaft (31) is positioned in front of a vibrating shaft (21), the rear amplitude adjusting plate (32) is arc-shaped and is fixed on the outer side of one vertical plate (12), a plurality of clamping grooves which are arranged at intervals are formed in the rear amplitude adjusting plate (32) along the arc-shaped top, one end of the rear amplitude adjusting shaft (31) is fixedly connected with the lower end of the rear amplitude adjusting arm (33), an elongated groove is formed in the upper part of the rear amplitude adjusting arm (33), the elongated groove of the rear amplitude adjusting arm (33) is movably and adjustably connected with the clamping groove of the rear amplitude adjusting plate (32) through an adjusting handle, the lower ends of the two rear amplitude rubber wheel connecting plates (34) are fixedly connected, the upper ends of the rear amplitude rubber wheel connecting plates (34) are provided with rear amplitude adjusting rubber wheels (35), and the axes of the rear amplitude adjusting rubber wheels (35) are parallel to the axis of the rear amplitude adjusting shaft (31);
the conveying separation screen (19) sequentially passes through the upper surface of the reversing rubber wheel (15), the upper surface of the front amplitude adjusting rubber wheel (30), the upper surface of the vibrating rubber wheel (24), the upper surface of the rear amplitude adjusting rubber wheel (35) and the upper surface of the plum blossom wheel (17) to form a ring shape;
the second adjusting device is arranged below the conveying and separating device;
the second adjusting device comprises a second bracket (36), a second adjusting frame (37), a second adjusting rod (38), a second hinge seat (39) and a trash discharging groove (41);
a pair of fourth hinged seats (20) is symmetrically arranged at the rear end of the second support (36), a pair of second hinged seats (39) is symmetrically arranged at the front end of the second support, the lower end of a second adjusting rod (38) is hinged with the second hinged seats (39), external threads are arranged at the upper end of the second adjusting rod (38), the second adjusting frame (37) is fixedly connected to the outer side of the front end of a vertical plate (12) of the conveying and separating device, a long groove is formed in the second adjusting frame (37) along the front-back direction, the upper end of the second adjusting rod (38) penetrates through the long groove, and nuts are respectively arranged on the second adjusting rod (38) and positioned on the upper surface and the lower surface of the second adjusting frame (37);
the second connecting rod (40) is arranged between the pair of fourth hinged seats (20), and the rear part of the conveying and separating device is placed on the second connecting rod (40);
the impurity discharging groove (41) is arranged on the second support (36) and is positioned right below the potato and soil separating device.
2. The potato soil separation test platform for potato collision damage testing of claim 1, wherein:
the central line of the front amplitude rubber wheel connecting plate (29) and the central line of the front amplitude adjusting arm (28) form an included angle of 45 degrees.
3. The potato soil separation test platform for potato collision damage testing of claim 1, wherein:
the central line of the back amplitude rubber wheel connecting plate (34) and the central line of the back amplitude adjusting arm (33) form an included angle of 45 degrees.
4. The potato soil separation test platform for potato collision damage testing of claim 1, wherein:
the width of the impurity discharging groove (41) is larger than that of the second bracket (36).
5. The potato soil separation test platform for potato collision damage testing of claim 1, wherein:
an annular canvas layer is arranged on the annular inner side of the conveying and separating screen (19), and the width of the canvas layer is narrower than that of the conveying and separating screen (19).
6. The potato soil separation test platform for potato collision damage testing of claim 1, wherein:
the two sides of the impurity discharging groove (41) are arranged in a way that one side is higher and the other side is lower.
CN201810106350.4A 2018-02-02 2018-02-02 Potato-soil separation test platform for potato collision damage test Expired - Fee Related CN108362585B (en)

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