A silage material accelerating device

Abstract

This application provides a material acceleration device for a silage harvester, belonging to the field of agricultural machinery technology. The acceleration device includes: a housing, a motor, and an impeller device located inside the housing; the housing is cylindrical, and the impeller device is rotatably fixed on the two inner side walls of the housing. The motor is mounted on one outer side wall of the cylindrical housing to drive the impeller device to rotate; the housing is provided with a compressed air channel, an accelerated discharge channel, and a feed channel; the material is output at high speed through the accelerated discharge channel after the dual action of compressed air and the impeller device; the material acceleration device for a silage harvester disclosed in this application can realize the accelerated output of materials of different particle sizes.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery technology, specifically to a material acceleration device for a silage machine. Background Technology

[0002] A silage harvester is a common type of agricultural machinery. It can shred dry and wet corn stalks, rice straw, wheat straw, cotton stalks, soybean stalks, branches with a diameter of less than 3 cm, bark, tree bark, small bamboo, sugarcane, and other materials into small pieces. The entire process includes harvesting, shredding, breaking down the seeds, and loading. The shredded materials can be fermented or otherwise processed for use as livestock feed, or used as raw materials for biomass power plants, biogas production in biogas digesters, pulping in paper mills, straw briquetting, machine-made charcoal, and artificial board production.

[0003] In the traditional forage harvesting process, most forage harvesters use blade-type throwing devices to transport the material. The main problems with these devices are low throwing efficiency and susceptibility to clogging. Although some existing technologies have incorporated acceleration devices to address these issues, the technical effects have been limited. Furthermore, the addition of acceleration devices to the forage harvester system often leads to clogging at the acceleration device for smaller particles, causing significant economic losses. Therefore, the problem of accelerating material transport for different particle sizes after crop crushing greatly limits the daily use of forage harvesters. To solve these technical problems, this application proposes a material acceleration device for forage harvesters. Summary of the Invention

[0004] This invention relates to a material acceleration device for silage harvesters, which can effectively solve the problems of low efficiency and easy clogging in the process of harvesting and conveying feed in existing silage harvesters. It can adapt to silage harvesters with various particle sizes of crushed materials and has good versatility.

[0005] This invention is achieved using the following technical means:

[0006] A material acceleration device for a silage harvester includes: a housing, a motor, and an impeller assembly located within the housing; the housing is cylindrical, and the impeller assembly is rotatably fixed on two inner side walls of the housing; the motor is mounted on one outer side wall of the cylindrical housing to drive the impeller assembly to rotate; a compressed air channel is horizontally arranged on the lower left side of the housing, an accelerated discharge channel is horizontally arranged on the lower right side of the housing, and an inlet channel is also arranged on the upper left side of the housing; the inlet channel is used to connect to the discharge port of the silage harvester, the compressed air channel delivers compressed air into the housing, and the material is output at high speed by the accelerated discharge channel after the combined action of the compressed air and the impeller assembly; the bottom inner side walls of the compressed air channel and the accelerated discharge channel are tangent to the inner side wall of the cylindrical housing.

[0007] In some embodiments, the impeller assembly includes a roller and a plurality of blades evenly distributed on the roller.

[0008] Preferably, the impeller assembly has 5 blades.

[0009] In some embodiments, the impeller assembly further includes: a fixed seat concentrically fixed inside the roller, a telescopic device, a blade body, and a blade end; the fixed seat has a regular n-sided cross-section, the bottom of the telescopic device is fixed on the surface of the fixed seat, the telescopic rod of the telescopic device passes through the internal through hole of the blade body and connects to the blade end, and the outer diameter of the telescopic rod is consistent with the inner diameter of the internal through hole of the blade body for a sealing fit.

[0010] The impeller device further includes: a material dispersion plate and a push rod disposed on the blade body; the material dispersion plate is hinged to the blade body, is wedge-shaped, and recessed in the blade body. Under normal conditions, the material dispersion plate is flush with the plane of the blade body. A torsion spring is provided at the hinge position between the material dispersion plate and the blade body to keep the material dispersion plate in close contact with the groove on the blade body; the push rod is disposed in a through hole on one side of the blade body on which the material dispersion plate is disposed. The telescopic rod is provided with an M-shaped groove for driving the push rod. When the telescopic rod of the telescopic device extends and retracts, the push rod can move in the M-shaped groove to realize the raising and lowering of the material dispersion plate.

[0011] Preferably, there may be one or more material dispersion plates disposed on the blade body.

[0012] In some embodiments, a high-pressure water pipe and a nozzle are provided at the top of the compressed air passage.

[0013] In some embodiments, separate accommodating spaces are provided at the top and bottom of the compressed air passage for installing two sets of high-pressure water pipes and nozzles.

[0014] Preferably, the accommodating space is the space at the interval in the compressed air passage through a partition.

[0015] In some embodiments, an observation and operation port is provided on the upper part of the housing near the feed channel.

[0016] The present invention has the following advantages

[0017] (1) The material is output at high speed by the accelerated discharge channel after the dual action of compressed air and impeller device. The bottom inner wall of the compressed air channel and the accelerated discharge channel is tangent to the inner wall of the cylindrical shell, which can simultaneously ensure that the compressed air and impeller device act on the material to accelerate it. This can avoid jamming when processing materials of different particle sizes and also ensure the efficiency of material conveying.

[0018] (2) The blade tip with a wedge angle can retract and contact the inner wall of the shell to facilitate the removal of small particles of material attached to the shell. While cleaning the material attached to the shell, the material dispersion plate set on the blade body can also disperse the material entering the material acceleration device of the silage machine from the outlet of the silage machine. This will greatly improve the subsequent material acceleration efficiency and effectively avoid material blockage.

[0019] (3) When processing large particles, the material dispersion plate can be retracted to the blade body. This design saves energy and improves efficiency, enabling the acceleration device to adapt to the processing of materials of different particle sizes at the same time.

[0020] (4) The high-pressure water pipe and nozzle installed in the compressed air channel can effectively clean the various components in the material acceleration device of the silage machine, and in conjunction with the compressed air, avoid corrosion of metal parts. A very good technical effect has been achieved through minimal technical improvement.

[0021] (5) The observation and operation port facilitates the subsequent inspection and maintenance of the acceleration device. Attached Figure Description

[0022] Figure 1 The diagram shown is a structural schematic of a material acceleration device for a silage harvester;

[0023] Figure 2 As shown Figure 1 A sectional view of AA;

[0024] Figure 3 The image shown is a cross-sectional view (AA) of the impeller assembly.

[0025] Figure 4 The diagram shows the structure of the impeller blades in different modes;

[0026] Figure 5 The diagram shows two different blade structures.

[0027] Figure 6 The image shown is a cross-sectional view of AA, an embodiment of another silage machine material acceleration device.

[0028] Figure 7 The image shown is a cross-sectional view of AA, an embodiment of another silage machine material acceleration device. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present invention are shown in the accompanying drawings, and not all of them.

[0030] Example 1

[0031] like Figure 1 and 2 As shown, a silage machine material acceleration device 100 includes: a housing 105, a motor 104, and an impeller device 1 located inside the housing 105; the housing 105 is cylindrical, the impeller device 1 is rotatably fixed on the two inner side walls of the housing 105, and the motor 104 is mounted on one outer side wall of the cylindrical housing 105 to drive the impeller device 1 to rotate; a compressed air channel 102 is horizontally arranged on the lower left side of the housing 105, an accelerated discharge channel 103 is horizontally arranged on the lower right side of the housing 105, and an inlet channel 101 is also arranged on the upper left side of the housing 105.

[0032] The feed channel 101 is used to connect to the discharge port of the silage machine. The material enters the material acceleration device 100 of the silage machine through the discharge port. The impeller device 1 is driven by the motor 104 to rotate counterclockwise, which drives the material entering the material acceleration device 100 of the silage machine to the bottom of the housing 105. Compressed air enters the housing 105 from the lower side through the compressed air channel 102. The material is output at high speed by the accelerated discharge channel 103 after the combined action of compressed air and impeller device 1. The accelerated discharge channel 103 is connected to the throwing mechanism of the silage machine. Finally, the material is accelerated and falls into the collection car through the throwing mechanism.

[0033] The rotational speed of the impeller device 1 can be changed by adjusting the rotational speed of the motor 104. The blades 2 of the impeller device 1 drive the material to move, thereby adjusting the speed of the material in the throwing mechanism and the discharge speed. It can be seen that the impeller device 1 has two functions: one is to collect the material and transport it to the bottom, and the other is to accelerate the material so that it enters the throwing structure. The compressed air generating device connected to the compressed air channel 102 delivers compressed air to the housing 105 of the silage machine material acceleration device 100, blowing the material delivered by the impeller device 1 to the bottom of the housing 105 into the throwing mechanism, further accelerating the material.

[0034] Preferably, the bottom inner walls of the compressed air channel 102 and the accelerated discharge channel 103 are tangent to the inner wall of the cylindrical shell. This arrangement ensures consistent spacing between the impeller device 1 and each side wall, facilitating the design and manufacturing of the impeller device 1's blades 2, and simultaneously ensuring that compressed air and the impeller device 1 act on the material to accelerate it. Through repeated experiments and simulations, it has been found that if the distance between the impeller device 1 and the bottom inner walls of the compressed air channel 102 and the accelerated discharge channel 103 is too small, interference may easily occur between the impeller device 1 and the inner walls if hard, large particles are encountered. Conversely, this distance should not be too large, otherwise it will reduce the acceleration effect of the compressed air and the impeller device 1 on the material, make it difficult to ensure the efficiency of the material entering the throwing mechanism, increase the load on the impeller device 1, and affect the service life of the motor 104.

[0035] like Figure 3 The diagram shows a cross-sectional view (AA) of the impeller assembly 1. For ease of explanation, only one blade 2 is schematically shown; the remaining blades 2, evenly distributed on the roller 11, are not shown. The impeller assembly 1 includes: a roller 11 and several blade bodies 22 evenly distributed on the outside of the roller 11. Figure 2 The diagram shows that the impeller device 1 has 5 blades 2. If the number of blades 2 on the impeller device 1 is too large or too dense, it will reduce the acceleration effect of the blades on the material. Too many blades will obstruct the material. When the blades 2 are too sparse, the acceleration effect of the blades 2 on the material will be very limited. Therefore, after simulation analysis and experimentation, the technicians found that the impeller device 1 with 5 blades 2 can achieve the best acceleration effect.

[0036] Figure 3 The impeller device 1 shown further includes: a fixed seat 12 fixed inside the roller 11, a telescopic device 21, and blade tips 23. The fixed seat 12 has a regular n-sided cross-section and is concentrically arranged with the roller 11, where n corresponds to the number of blades 2. The fixed seat 12 provides support for the telescopic device 21. The bottom of the telescopic device 21 is fixed to the surface of the fixed seat 12, and the telescopic rod 211 of the telescopic device 21 passes through the internal through hole of the blade body 22 and connects to the blade tips 23. The outer diameter of the telescopic rod 211 is consistent with the inner diameter of the internal through hole of the blade body 22 for a sealing fit. The bottom of the blade tip 23 engages with the blade body 22, and the top of the blade tip 23 has a wedge angle, which facilitates scraping off the material adhering to the inner wall of the housing 5. Preferably, the blade tip 23 is made of silicone or silicone rubber, and the telescopic device 21 can be an electric telescopic device or a pneumatic or hydraulic telescopic device.

[0037] When the material delivered by the silage harvester is large-particle material, the cylindrical inner wall of the housing 5 of the silage harvester material acceleration device 100 will not experience material adhesion. However, when the material delivered by the silage harvester is small-particle material, a large amount of material particles will easily adhere to the cylindrical inner wall of the housing 5 of the silage harvester material acceleration device 100, affecting the operation of the acceleration device. In this case, the telescopic device 21 can drive the telescopic rod 211 to move the blade tip 23 towards the cylindrical inner wall of the housing 5 of the silage harvester material acceleration device 100 to remove the material adhering to it.

[0038] Furthermore, Figure 4The diagram shows the structure of the impeller blades in different modes. The impeller device 1 further includes a material dispersing plate 221 and a push rod 222 disposed on the blade body 22. The material dispersing plate 221 is hinged to the blade body 22 and is wedge-shaped, recessed within the blade body 22. Under normal conditions, the material dispersing plate 221 is flush with the plane of the blade body 22. A torsion spring is provided at the hinge position between the material dispersing plate 221 and the blade body 22 to keep the material dispersing plate 221 tightly against the groove on the blade body 22. The push rod 222 is disposed in a through hole on one side of the blade body 22 where the material dispersing plate 221 is disposed. The push rod 222 is used to lift the material dispersing plate 221 when needed to disperse the material entering the silage machine material acceleration device 100 from the outlet of the silage machine. The telescopic rod 211 is provided with an M-shaped groove for driving the top rod 222. When the telescopic rod 211 of the telescopic device 21 extends and retracts, the top rod 222 can move in the M-shaped groove to support and lower the material dispersion plate 221. This design will play a good role in preventing clogging and shell adhesion when processing small particles. The specific working process is as follows: (a) shows the state of the blade 2 when the telescopic rod 211 of the telescopic device 21 is not extended or retracted. The top rod 222 falls into the low point of the M-shaped groove of the telescopic rod 211. The material dispersion plate 221 is flush with the plane of the blade body 22 and is not lifted by the top rod 222. At this time, the acceleration device can be used for the acceleration of large particles, i.e., the large particle mode; (b) shows that the telescopic rod 211 of the telescopic device 21 moves upward. The high point of the M-shaped groove of the telescopic rod 211 lifts the top rod 222, and the top rod 222 lifts the material dispersion plate 221. At this time, the acceleration device can be used for the acceleration of large particles. The device can be used to accelerate small particulate materials. The material dispersion plate 221 will disperse the material that has agglomerated into lumps, so as to avoid the lumps from clogging the acceleration device or the throwing mechanism, i.e., small particulate material mode; (c) shows that the telescopic rod 211 of the telescopic device 21 continues to move upward, and the top rod 222 falls into another low point of the M-shaped groove of the telescopic rod 211. The material dispersion plate 221 falls back to be flush with the plane of the blade body 22. At this time, the blade end 23 rises to the highest point, and the top of the blade end 23 contacts the cylindrical inner sidewall of the housing 5, scraping off the material attached to the inner sidewall of the housing 5, i.e., cleaning mode. In the cleaning mode, the material entering the silage machine material acceleration device 100 will be suspended.

[0039] like Figure 5 As shown, there can be one or more material dispersion plates 221 on the blade body 22. In the left figure, there is one material dispersion plate 221 on the blade body 22, while in the right figure, there are three material dispersion plates 221 on the blade body 22. When there are multiple material dispersion plates 221, there are also multiple telescopic devices 21 corresponding to the multiple material dispersion plates 221.

[0040] Example 2

[0041] like Figure 6 As shown, the silage machine material acceleration device 100' and Figure 2 The silage machine material acceleration device 100 shown is basically the same, except that a high-pressure water pipe 4 and a nozzle 3 are provided at the top of the compressed air channel 102. The high-pressure water jet from the nozzle can be used to clean the various parts of the impeller device 1. After being cleaned by the high-pressure water jet, the residual water on the impeller device 1 can be cleaned by the compressed air jet from the compressed air channel 102, so as to avoid corrosion of the metal parts.

[0042] Example 3

[0043] like Figure 7 As shown, the silage machine material acceleration device 100” and Figure 6 The silage machine material acceleration device 100' shown is basically the same, except that: independent accommodating spaces are provided at the top and bottom of the compressed air channel 102 for installing two sets of high-pressure water pipes 4 and nozzles 3', and the direction of the nozzles 3' is adjustable; an observation and operation port 5 is provided at the upper part of the housing 105 near the feed channel 101. The independent accommodating spaces can prevent the high-pressure water pipes 4 and nozzles 3' from adversely affecting the compressed air transmitted in the compressed air channel 102. The accommodating spaces can be the spaces in the compressed air channel 102 separated by partitions 41. The direction of the nozzles 3' can be automatically adjusted to achieve cleaning of the entire impeller device 1 and the bottom of the housing 105.

[0044] A method of using a material acceleration device for a silage harvester includes:

[0045] (1) Large particle material mode: The telescopic device 21 does not extend or move, the top rod 222 falls into the low point of the M-shaped groove of the telescopic rod 211, the material dispersion plate 221 is flush with the plane of the blade body 22, the starting motor 104 drives the impeller device 1 to rotate, compressed air is injected through the compressed air channel 102, and the discharge port of the silage machine injects large particle material into the feed channel 101. The material is output at high speed by the accelerated discharge channel 103 after the dual action of compressed air and impeller device 1.

[0046] (2) Small particle material mode: The telescopic rod 211 of the telescopic device 21 moves upward, and the high point of the M-shaped groove of the telescopic rod 211 lifts the top rod 222, which in turn lifts the material dispersion plate 221; the starting motor 104 drives the impeller device 1 to rotate, and compressed air is injected through the compressed air channel 102. The discharge port of the silage machine injects small particle material into the feed channel 101. The material is then output at high speed by the accelerated discharge channel 103 after the combined action of compressed air and impeller device 1.

[0047] (3) Cleaning mode: (I) Cleaning mode during operation: The material entering the silage machine material acceleration device 100 is paused; the telescopic rod 211 of the telescopic device 21 moves upward to the highest point, the top rod 222 falls into the other low point of the M-shaped groove of the telescopic rod 211, the top of the blade end 23 rises to the highest point and contacts the cylindrical inner wall of the housing 5, scraping off the material attached to the inner wall of the housing 5; the telescopic rod 211 moves downward to the high point of the M-shaped groove of the telescopic rod 211 and lifts the top rod 222, and the outlet of the silage machine continues to inject material into the feed channel 101. (II) Cleaning mode after work: The material entering the silage machine material acceleration device 100 is stopped; the telescopic rod 211 of the telescopic device 21 moves upward to the highest point, and the top rod 222 falls into the other low point of the M-shaped groove of the telescopic rod 211. The top of the blade end 23 rises to the highest point and contacts the cylindrical inner wall of the housing 5, scraping off the material attached to the inner wall of the housing 5; the telescopic rod 211 moves downward to the high point of the M-shaped groove of the telescopic rod 211 and lifts the top rod 222. The nozzle 3 set in the compressed air channel 102 starts to work, flushing and cleaning the rotating impeller device 1, and then the nozzle 3 is closed. The compressed air sprayed from the compressed air channel 102 cleans the residual water on the impeller device 1; the telescopic device 21 continues to retract and move, and the top rod 222 falls into the low point of the M-shaped groove of the telescopic rod 211. The material dispersion plate 221 is flush with the plane of the blade body 22; the motor 104 is turned off, and the compressed air input is stopped.

[0048] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still improve the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications or equivalent substitutions made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A silage material accelerating device, characterized by, The utility model relates to a silage machine, which comprises a shell, a motor and an impeller device in the shell. The shell is cylindrical, the impeller device is rotatably fixedly installed on two inner side walls of the shell, the motor is installed on an outer side wall of the cylindrical shell for driving the impeller device to rotate, a compressed air passage is horizontally arranged at the lower left side of the shell, an accelerated discharge passage is horizontally arranged at the lower right side of the shell, and an inlet passage is arranged at the upper left side of the shell. The impeller device comprises a roller and a plurality of blades uniformly distributed on the roller. The impeller device further comprises a fixed seat concentrically fixed in the roller, an extensible device, a blade body and a blade end. The impeller device further comprises a material dispersing plate and a jack rod arranged on the blade body. The material dispersing plate is hingedly connected to the blade body and has a wedge-shaped plate shape.

2. The silage material accelerating device as claimed in claim 1, wherein The material dispersing plate and the blade body are flush in the normal state.

3. The silage material accelerating device as set forth in claim 1, wherein The hinged position of the material dispersing plate and the blade body is provided with a torsion spring to keep the material dispersing plate close to the groove on the blade body.

4. A silage material accelerating device according to any one of claims 1-3, characterized in that The jack rod is arranged in a through hole on one side of the blade body provided with the material dispersing plate.

5. A silage material accelerating device according to any one of claims 1-3, characterized in that The extensible rod is provided with an M-shaped groove for driving the jack rod.

6. The silage material accelerating device as claimed in claim 5, wherein When the extensible device is extended and retracted, the jack rod can move in the M-shaped groove to lift and lower the material dispersing plate.

7. A silage material accelerating device according to any one of claims 1-3, characterized in that The impeller device has five blades. The material dispersing plate arranged on the blade body can be one or more. A high-pressure water pipe and a nozzle are arranged at the top of the compressed air passage. Two groups of high-pressure water pipes and nozzles are arranged in independent accommodation spaces at the top and bottom of the compressed air passage. The accommodation space is the space at the middle of the compressed air passage separated by a partition. An observation operation port is arranged at the upper part of the shell close to the inlet passage.

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