Alfalfa silage storage device

Abstract

The invention relates to the technical field of storage devices, and discloses an alfalfa silage storage device which comprises a storage barrel, supporting legs are arranged on the lower surface of the storage barrel, and anti-skid pads are fixedly arranged at the bottom ends of the three supporting legs; the sealing assembly comprises a sealing cover which is in threaded connection with the top of the storage barrel; the pressurizing assembly is used for compacting the alfalfa silage in the storage barrel, and the pressurizing assembly comprises a sealing piston disc arranged on the inner wall of the storage barrel in a sliding mode and a fixed barrel fixedly arranged on the inner bottom wall of the storage barrel and extending to the lower surface of the storage barrel. Through the arrangement of the compaction assembly and the air suction assembly, when the device compresses the alfalfa silage in the storage barrel through rotation of the driving motor, air in the alfalfa silage in the storage barrel can be effectively sucked away, then the alfalfa silage is prevented from making contact with the air, the storage period of the alfalfa silage is further prolonged, and the storage efficiency of the alfalfa silage is improved. The problems of dampness, deterioration, mildew and the like of the alfalfa silage are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of storage devices, and in particular to an alfalfa silage storage device. Background Art

[0002] Alfalfa silage refers to a method of preserving freshly harvested alfalfa by fermentation. The specific steps include chopping the alfalfa, mixing it with additives (such as rice bran, corn flour, wheat bran, etc.) and fermentation agents, and then storing it in a cellar.

[0003] In the prior art, the patent with announcement number: CN206629486U discloses an alfalfa silage storage device, including a silage box, a vent, a vent cover, a fan cover, a turbo fan, a front vent, a box door, a box lighting, an air duct and a raised grille, wherein a turbo fan is arranged on the top of the silage box, and the turbo fan is connected to the fan cover, the upper part of the silage box is trapezoidal, and vents and vent covers are arranged on the left and right sides of the trapezoidal upper part of the silage box, a front vent is arranged at the front end of the trapezoidal upper part of the silage box, and two box doors are arranged below the front vent and in front of the silage box, an air duct and a raised grille are arranged inside the silage box, and a box lighting is arranged on the air duct above the inside of the silage box. The alfalfa silage storage device adopts box storage and underground storage methods, has the characteristics of long alfalfa silage storage period, simple and practical, and convenient management.

[0004] In the technical solution proposed by the above patent technology, when alfalfa is actually stored in silage, the interior of the storage device is ventilated with the outside world, which makes it very easy for moisture in the outside air to enter the interior of the storage device, causing the alfalfa silage to become damp, deteriorate, and moldy. In view of this, the present application proposes an alfalfa silage storage device. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The present invention provides an alfalfa silage storage device, comprising: A storage cylinder, wherein the lower surface of the storage cylinder is provided with support legs, and the bottom ends of the three support legs are fixed with anti-slip pads; A sealing assembly, the sealing assembly comprising a sealing cover threadedly connected to the top of the storage cylinder; A pressure component is used to compact the alfalfa silage inside a preservation cylinder, the pressure component includes a sealing piston disk slidably arranged on the inner wall of the preservation cylinder, and a fixed cylinder fixedly arranged on the inner bottom wall of the preservation cylinder and extending to the lower surface of the preservation cylinder, the inner wall of the fixed cylinder is slidably provided with an internal threaded cylinder, and the top end of the internal threaded cylinder is fixedly connected to the lower surface of the sealing piston disk, the inner bottom wall of the fixed cylinder is rotatably provided with a threaded column extending to the lower surface of the fixed cylinder, and the outer surface of the threaded column is threadedly connected to the inner wall of the internal threaded cylinder, the pressure component also includes a driving motor fixedly arranged on the lower surface of the preservation cylinder for driving the threaded column to rotate.

[0007] Preferably, the storage tube is an upper opening structure, and the sealing assembly further comprises a sealing ring fixedly mounted on the inner top wall of the sealing cover, and a handle fixedly mounted on the upper surface of the sealing cover, and the sealing ring is made of elastic rubber.

[0008] By adopting the above technical solution, on the one hand, effective sealing between the sealing cover and the top of the storage tube can be achieved under the action of the sealing ring, and on the other hand, the sealing cover can be easily twisted under the action of the handle.

[0009] Preferably, a driving gear disc is fixedly provided at the output end of the driving motor, and a driven gear disc meshing with the driving gear disc is fixedly provided at the bottom end of the threaded column.

[0010] By adopting the above technical solution, the driving gear disc can be driven to rotate by the rotation of the driving motor, and the rotation of the driving gear disc can drive the driven gear disc and the threaded column to rotate, so that the threaded column can be driven to rotate at a reduced speed by the rotation of the driving motor.

[0011] Preferably, two symmetrical limit blocks are fixedly provided on the outer surface of the bottom end of the internally threaded cylinder, and the inner wall of the fixed cylinder is provided with a limit sliding groove for the limit blocks to slide.

[0012] By adopting the above technical solution, the internal thread barrel can be prevented from rotating along with the threaded column under the action of the limit block, thereby effectively ensuring the stability of the internal thread barrel when moving.

[0013] Preferably, the inner bottom of the storage tube is provided with a suction assembly for performing vacuum suction during the compaction process, and the suction assembly includes an annular box fixed to the inner bottom wall of the storage tube, and a sealing sliding ring slidably arranged on the inner wall of the annular box.

[0014] By adopting the above technical solution, air can be sucked into the storage cylinder by the downward movement of the sealing sliding ring.

[0015] Preferably, two symmetrical mounting holes are provided on the lower surface of the sealing piston disk, and connecting pipes are fixedly provided on the inner walls of the two mounting holes, and an intercepting mesh disk is fixedly provided on the inner walls of the connecting pipes.

[0016] By adopting the above technical solution, alfalfa can be prevented from entering the interior of the connecting pipe under the action of the intercepting net disk.

[0017] Preferably, two hoses are fixedly provided on the inner top wall of the annular box, and the top ends of the two hoses extend to the upper surface of the annular box, and the ends of the two hoses away from the annular box are fixedly connected to the bottom ends of the two connecting pipes respectively.

[0018] By adopting the above technical solution, air can be sucked into the interior of the connecting pipe through the two hoses, thereby achieving the purpose of sucking air into the storage cylinder.

[0019] Preferably, a rectangular frame is fixedly provided on the lower surface of the preserving tube, and a rectangular plate is slidably provided on the inner wall of the rectangular frame, two symmetrical connecting rods are fixedly provided on the upper surface of the rectangular plate, and the top ends of the two connecting rods extend to the interior of the annular box and are fixedly connected to the lower surface of the sealing sliding ring, and a sliding hole is provided on the inner bottom wall of the annular box and extends to the lower surface of the preserving tube for the two connecting rods to slide, a limiting rod is fixedly provided on the inner wall of the annular box, and a sealing hole is provided on the surface of the sealing sliding ring which is slidably connected to the outer surface of the limiting rod.

[0020] By adopting the above technical solution, the sealing sliding ring can be driven to move by moving the rectangular plate and the connecting rod. At the same time, during the movement of the sealing sliding ring, the stability of the sealing sliding ring during movement can be effectively improved under the action of the limiting rod.

[0021] Preferably, a lead screw is rotatably provided on the inner top wall and the inner bottom wall of the rectangular frame, and a threaded hole threadedly connected to the outer surface of the lead screw is provided on the surface of the rectangular plate, a rotating shaft extending to the outer surface of the rectangular frame is rotatably provided on the inner side wall of the rectangular frame, one end of the rotating shaft and the outer surface of the threaded column are fixedly provided with a first bevel gear meshing with each other, the other end of the rotating shaft and the surface of the lead screw are fixedly provided with a second bevel gear meshing with each other, a through hole is provided on the side of the rectangular frame, a bearing is provided inside the through hole, the outer ring surface of the bearing is fixedly connected to the inner wall of the through hole, and the inner ring surface of the bearing is fixedly connected to the outer surface of the rotating shaft.

[0022] By adopting the above technical solution, the rotation of the threaded column can drive the shaft to rotate, the rotation of the shaft can drive the lead screw to rotate, the rotation of the lead screw can drive the rectangular plate to automatically move downward, and then drive the sealing sliding ring to automatically move downward.

[0023] The beneficial effects of the present invention are: The alfalfa silage preservation device described in the present invention is provided with a sealing component and a pressurizing component, so that when the device preserves alfalfa silage, the alfalfa silage can be first added into the interior of the preservation cylinder, and after the sealing cover is screwed on, the driving motor is started, and the rotation of the driving motor drives the active gear disc and the driven gear disc to rotate, and the rotation of the driven gear disc drives the threaded column to rotate, and the rotation of the threaded column drives the internal threaded cylinder to move upward, thereby driving the sealing piston disc to move upward to compact the alfalfa silage inside the preservation cylinder upward, thereby effectively improving the preservation period of alfalfa silage.

[0024] The alfalfa silage preservation device described in the present invention is provided with an air suction component, so that when the device compacts the alfalfa silage inside the preservation cylinder by rotating the driving motor, the rotation of the threaded column drives the rotation of the rotating shaft under the action of the two first bevel gears, and the rotation of the rotating shaft drives the rotation of the lead screw under the action of the two second bevel gears, and the rotation of the lead screw drives the rectangular plate to move downward, and the downward movement of the rectangular plate drives the sealing sliding ring to move downward through the connecting rod, so that the annular box sucks the air in the alfalfa silage in the preservation cylinder into the interior of the annular box through the hose and the connecting pipe, thereby achieving effective suction of the air in the alfalfa silage in the preservation cylinder, thereby avoiding the contact between the alfalfa silage and the air, further improving the preservation period of the alfalfa silage, and avoiding the problems of the alfalfa silage being damp, deteriorating and mildewed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the structure of the present invention when viewed from above; Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 4 The present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 The present invention Figure 3 The enlarged structural diagram at B in the middle; Figure 6 The present invention Figure 3 Enlarged structural diagram at point C in the middle.

[0026] Description of reference numerals: 100. Storage tube; 200, sealing assembly; 201, sealing cover; 202, sealing ring; 203, handle; 300, pressurizing assembly; 301, sealing piston disc; 302, fixing cylinder; 303, internal threaded cylinder; 304, threaded column; 305, driving motor; 306, limiting block; 307, driving gear disc; 308, driven gear disc; 400, suction assembly; 401, annular box; 402, sealing sliding ring; 403, connecting pipe; 404, intercepting mesh disk; 405, hose; 406, rectangular frame; 407, rectangular plate; 408, connecting rod; 409, limiting rod; 4010, lead screw; 4011, rotating shaft; 4012, first bevel gear; 4013, second bevel gear. DETAILED DESCRIPTION

[0027] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples. Example

[0028] The following is a further detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments. Figures 1 to 6 , this application provides a device for storing alfalfa silage, please refer to Figures 1 to 4 ,include: The storage tube 100 has support legs disposed on the lower surface thereof, and anti-slip pads are fixed at the bottom ends of the three support legs; The sealing assembly 200 includes a sealing cover 201 threadedly connected to the top of the storage tube 100; Please refer to Figure 3 The storage tube 100 is an upper opening structure, and the sealing assembly 200 further includes a sealing ring 202 fixedly mounted on the inner top wall of the sealing cover 201, and a handle 203 fixedly mounted on the upper surface of the sealing cover 201. The material of the sealing ring 202 is elastic rubber.

[0029] Specifically, on one hand, the sealing ring 202 can effectively seal the sealing cover 201 and the top of the storage tube 100 , and on the other hand, the handle 203 can be used to easily twist the sealing cover 201 .

[0030] The pressurizing component 300 is used to compact the alfalfa silage inside the preservation cylinder 100. The pressurizing component 300 includes a sealing piston disk 301 slidably arranged on the inner wall of the preservation cylinder 100, and a fixed cylinder 302 fixedly arranged on the inner bottom wall of the preservation cylinder 100 and extending to the lower surface of the preservation cylinder 100. The inner wall of the fixed cylinder 302 is slidably provided with an internal threaded cylinder 303, and the top end of the internal threaded cylinder 303 is fixedly connected to the lower surface of the sealing piston disk 301. The inner bottom wall of the fixed cylinder 302 is rotatably provided with a threaded column 304 extending to the lower surface of the fixed cylinder 302, and the outer surface of the threaded column 304 is threadedly connected to the inner wall of the internal threaded cylinder 303. The pressurizing component 300 also includes a driving motor 305 fixedly arranged on the lower surface of the preservation cylinder 100 for driving the threaded column 304 to rotate.

[0031] Please refer to Figure 2 A driving gear disc 307 is fixedly disposed at the output end of the driving motor 305 , and a driven gear disc 308 meshing with the driving gear disc 307 is fixedly disposed at the bottom end of the threaded column 304 .

[0032] Specifically, the driving motor 305 can rotate the active gear disc 307 , and the rotation of the active gear disc 307 can rotate the driven gear disc 308 and the threaded column 304 , so that the rotation of the driving motor 305 can reduce the rotation speed of the threaded column 304 .

[0033] Please refer to Figure 4 Two symmetrical limit blocks 306 are fixedly arranged on the outer surface of the bottom end of the internal threaded cylinder 303 , and a limit sliding groove for the limit blocks 306 to slide is opened on the inner wall of the fixed cylinder 302 .

[0034] Specifically, under the action of the limiting block 306 , the internal threaded barrel 303 can be prevented from rotating along with the threaded column 304 , thereby effectively ensuring the stability of the internal threaded barrel 303 when moving.

[0035] Among them, the present invention provides a sealing component 200 and a pressurizing component 300, so that when the device preserves alfalfa silage, the alfalfa silage can be first added into the interior of the preservation tube 100, and after the sealing cover 201 is screwed on, the driving motor 305 is started, and the rotation of the driving motor 305 drives the active gear disc 307 and the driven gear disc 308 to rotate, and the rotation of the driven gear disc 308 drives the threaded column 304 to rotate, and the rotation of the threaded column 304 drives the internal threaded tube 303 to move upward, thereby driving the sealing piston disc 301 to move upward to compact the alfalfa silage inside the preservation tube 100 upward, thereby effectively improving the preservation period of alfalfa silage.

[0036] Please refer to Figure 3The inner bottom of the storage tube 100 is provided with a suction component 400 for vacuum suction during the compaction process. The suction component 400 includes an annular box 401 fixed to the inner bottom wall of the storage tube 100, and a sealing sliding ring 402 slidably arranged on the inner wall of the annular box 401.

[0037] Specifically, the sealing sliding ring 402 can move downward to achieve air suction inside the storage tube 100 .

[0038] Please refer to Figure 6 Two symmetrical mounting holes are provided on the lower surface of the sealing piston disc 301 , and the inner walls of the two mounting holes are fixedly provided with connecting pipes 403 , and the inner wall of the connecting pipes 403 is fixedly provided with an intercepting net disc 404 .

[0039] Specifically, the intercepting net plate 404 can prevent alfalfa from entering the interior of the connecting pipe 403 .

[0040] Please refer to Figure 3 and Figure 6 Two hoses 405 are fixedly provided on the inner top wall of the annular box 401, and the top ends of the two hoses 405 extend to the upper surface of the annular box 401, and the ends of the two hoses 405 away from the annular box 401 are fixedly connected to the bottom ends of the two connecting pipes 403 respectively.

[0041] Specifically, air can be sucked into the connection tube 403 through the two hoses 405 , thereby achieving the purpose of sucking air into the storage tube 100 .

[0042] Please refer to Figure 3 A rectangular frame 406 is fixedly provided on the lower surface of the preservation tube 100, and a rectangular plate 407 is slidably provided on the inner wall of the rectangular frame 406, two symmetrical connecting rods 408 are fixedly provided on the upper surface of the rectangular plate 407, and the top ends of the two connecting rods 408 extend to the interior of the annular box 401 and are fixedly connected to the lower surface of the sealing sliding ring 402, and a sliding hole extending to the lower surface of the preservation tube 100 for the two connecting rods 408 to slide is provided on the inner bottom wall of the annular box 401, a limiting rod 409 is fixedly provided on the inner wall of the annular box 401, and a sealing hole slidably connected to the outer surface of the limiting rod 409 is provided on the surface of the sealing sliding ring 402.

[0043] Specifically, the sealing sliding ring 402 can be driven to move by the movement of the rectangular plate 407 and the connecting rod 408. Meanwhile, during the movement of the sealing sliding ring 402, the stability of the sealing sliding ring 402 can be effectively improved under the action of the limiting rod 409.

[0044] Please refer to Figure 3 and Figure 5A lead screw 4010 is rotatably provided on the inner top wall and the inner bottom wall of the rectangular frame 406, and a threaded hole threadedly connected to the outer surface of the lead screw 4010 is provided on the surface of the rectangular plate 407, a rotating shaft 4011 extending to the outer surface of the rectangular frame 406 is rotatably provided on the inner side wall of the rectangular frame 406, one end of the rotating shaft 4011 and the outer surface of the threaded column 304 are fixedly provided with a first bevel gear 4012 that meshes with each other, the other end of the rotating shaft 4011 and the surface of the lead screw 4010 are fixedly provided with a second bevel gear 4013 that meshes with each other, a through hole is provided on the side of the rectangular frame 406, a bearing is provided inside the through hole, the outer ring surface of the bearing is fixedly connected to the inner wall of the through hole, and the inner ring surface of the bearing is fixedly connected to the outer surface of the rotating shaft 4011.

[0045] Specifically, the rotation of the threaded column 304 can drive the rotating shaft 4011 to rotate, the rotation of the rotating shaft 4011 can drive the screw 4010 to rotate, the rotation of the screw 4010 can drive the rectangular plate 407 to automatically move downward, and then drive the sealing sliding ring 402 to automatically move downward.

[0046] Among them, the present invention sets an air suction component 400, so that when the device realizes compaction of alfalfa silage inside the preservation cylinder 100 through the rotation of the driving motor 305, the rotation of the threaded column 304 drives the rotating shaft 4011 to rotate under the action of the two first bevel gears 4012, and the rotation of the rotating shaft 4011 drives the screw 4010 to rotate under the action of the two second bevel gears 4013, and the rotation of the screw 4010 drives the rectangular plate 407 to move downward, and the downward movement of the rectangular plate 407 drives the sealing sliding ring 402 to move downward through the connecting rod 408, so that the annular box 401 sucks the air in the alfalfa silage in the preservation cylinder 100 into the interior of the annular box 401 through the hose 405 and the connecting pipe 403, thereby realizing effective suction of the air in the alfalfa silage in the preservation cylinder 100, thereby avoiding the contact between the alfalfa silage and the air, further improving the storage period of the alfalfa silage, and avoiding the problems of moisture, deterioration and mildew of the alfalfa silage.

[0047] Working principle: When the device is used to store alfalfa silage, the alfalfa silage can be first added into the storage cylinder 100, and after the sealing cover 201 is screwed on, the driving motor 305 is started. The rotation of the driving motor 305 drives the active gear disc 307 and the driven gear disc 308 to rotate. The rotation of the driven gear disc 308 drives the threaded column 304 to rotate. The rotation of the threaded column 304 drives the internal threaded cylinder 303 to move upward, thereby driving the sealing piston disc 301 to move upward to compact the alfalfa silage inside the storage cylinder 100, thereby effectively improving the storage period of alfalfa silage. Moreover, when the device compacts the alfalfa silage inside the storage cylinder 100 by rotating the driving motor 305, the rotation of the threaded column 304 is between two The first bevel gear 4012 drives the rotating shaft 4011 to rotate, and the rotation of the rotating shaft 4011 drives the screw 4010 to rotate under the action of the two second bevel gears 4013. The rotation of the screw 4010 drives the rectangular plate 407 to move downward, and the downward movement of the rectangular plate 407 drives the sealing sliding ring 402 to move downward through the connecting rod 408, so that the annular box 401 sucks the air in the alfalfa silage in the preservation cylinder 100 into the interior of the annular box 401 through the hose 405 and the connecting pipe 403, thereby achieving effective removal of the air in the alfalfa silage in the preservation cylinder 100, thereby avoiding the contact between the alfalfa silage and the air, further improving the storage period of the alfalfa silage, and avoiding the problems of moisture, deterioration and mildew of the alfalfa silage.

[0048] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. An alfalfa silage storage device, characterized in that: include: A storage cylinder (100), wherein the lower surface of the storage cylinder (100) is provided with support legs, and the bottom ends of the three support legs are all fixedly provided with anti-slip pads; A sealing assembly (200), the sealing assembly (200) comprising a sealing cover (201) threadedly connected to the top of the storage cylinder (100); A pressurizing component (300) is used to compact alfalfa silage inside a storage cylinder (100). The pressurizing component (300) comprises a sealing piston disk (301) slidably arranged on the inner wall of the storage cylinder (100), and a fixed cylinder (302) fixedly arranged on the inner bottom wall of the storage cylinder (100) and extending to the lower surface of the storage cylinder (100). The inner wall of the fixed cylinder (302) is slidably provided with an internal threaded cylinder (303), and the top end of the internal threaded cylinder (303) is fixedly connected to the lower surface of the sealing piston disk (301). The inner bottom wall of the fixed cylinder (302) is rotatably provided with a threaded column (304) extending to the lower surface of the fixed cylinder (302), and the outer surface of the threaded column (304) is threadedly connected to the inner wall of the internal threaded cylinder (303). The pressurizing component (300) further comprises a driving motor (305) fixedly arranged on the lower surface of the storage cylinder (100) for driving the threaded column (304) to rotate.

2. The alfalfa silage storage device according to claim 1, characterized in that: The storage tube (100) is an upper opening structure, and the sealing assembly (200) further comprises a sealing ring (202) fixedly arranged on the inner top wall of the sealing cover (201), and a handle (203) fixedly arranged on the upper surface of the sealing cover (201), and the sealing ring (202) is made of elastic rubber.

3. The alfalfa silage storage device according to claim 1, characterized in that: The output end of the driving motor (305) is fixedly provided with a driving toothed disc (307), and the bottom end of the threaded column (304) is fixedly provided with a driven toothed disc (308) meshing with the driving toothed disc (307).

4. The alfalfa silage storage device according to claim 1, characterized in that: Two symmetrical limit blocks (306) are fixedly provided on the outer surface of the bottom end of the internally threaded cylinder (303), and a limit sliding groove for the limit blocks (306) to slide is provided on the inner wall of the fixed cylinder (302).

5. The alfalfa silage storage device according to claim 1, characterized in that: The inner bottom of the storage tube (100) is provided with an air suction component (400) for performing vacuum suction during the compaction process. The air suction component (400) comprises an annular box (401) fixedly arranged on the inner bottom wall of the storage tube (100), and a sealing sliding ring (402) slidably arranged on the inner wall of the annular box (401).

6. The alfalfa silage storage device according to claim 5, characterized in that: The lower surface of the sealing piston disc (301) is provided with two symmetrical mounting holes, and the inner walls of the two mounting holes are both fixedly provided with connecting pipes (403), and the inner wall of the connecting pipes (403) is fixedly provided with an intercepting net disc (404).

7. The alfalfa silage storage device according to claim 6, characterized in that: Two hoses (405) are fixedly arranged on the inner top wall of the annular box (401), and the top ends of the two hoses (405) extend to the upper surface of the annular box (401), and the ends of the two hoses (405) away from the annular box (401) are fixedly connected to the bottom ends of the two connecting pipes (403) respectively.

8. The alfalfa silage storage device according to claim 5, characterized in that: A rectangular frame (406) is fixedly provided on the lower surface of the storage tube (100), and a rectangular plate (407) is slidably provided on the inner wall of the rectangular frame (406); two symmetrical connecting rods (408) are fixedly provided on the upper surface of the rectangular plate (407), and the top ends of the two connecting rods (408) extend to the inside of the annular box (401) and are fixedly connected to the lower surface of the sealing sliding ring (402); a sliding hole extending to the lower surface of the storage tube (100) for the two connecting rods (408) to slide is provided on the inner bottom wall of the annular box (401); a limiting rod (409) is fixedly provided on the inner wall of the annular box (401), and a sealing hole slidably connected to the outer surface of the limiting rod (409) is provided on the surface of the sealing sliding ring (402).

9. The alfalfa silage storage device according to claim 8, characterized in that: A lead screw (4010) is rotatably provided on the inner top wall and the inner bottom wall of the rectangular frame (406), and a threaded hole threadedly connected to the outer surface of the lead screw (4010) is provided on the surface of the rectangular plate (407). A rotating shaft (4011) extending to the outer surface of the rectangular frame (406) is rotatably provided on the inner side wall of the rectangular frame (406), one end of the rotating shaft (4011) and the outer surface of the threaded column (304) are fixedly provided with a first bevel gear (4012) meshing with each other, and the other end of the rotating shaft (4011) and the surface of the lead screw (4010) are fixedly provided with a second bevel gear (4013) meshing with each other, and a through hole is provided on the side surface of the rectangular frame (406), a bearing is provided inside the through hole, the outer ring surface of the bearing is fixedly connected to the inner wall of the through hole, and the inner ring surface of the bearing is fixedly connected to the outer surface of the rotating shaft (4011).

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