Agricultural straw pulverizer
By introducing a water spray pipe and a dust collection system into the agricultural straw crusher, the problem of difficult cleaning of the mud layer on the inner wall after crushing is solved, realizing automated cleaning and improving the practicality and safety of the equipment.
Patent Information
- Application Number
- CN202520098792.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing agricultural straw crushers tend to form a mud layer on their inner walls after crushing, which is difficult to clean and reduces their practicality.
An agricultural straw crusher was designed, equipped with a water spray pipe and a dust collection system. The water spray pipe uses high-pressure water to flush the inner wall, and the dust collection system uses an air extraction pipe to suck up the dust. Both are driven by an electric cylinder and a motor, respectively, to achieve automated cleaning.
It effectively cleans the mud and dust from the inner wall of the crusher, improving the equipment's usability, reducing manual labor intensity, and protecting the operator's health.
Smart Images

Figure CN223681566U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of straw pulverizer, more particularly, it relates to an agricultural straw pulverizer. BACKGROUND
[0002] Straw is the general term of mature crop stem and leaf (ear) part. Usually refers to the surplus part of wheat, rice, corn, potato, rape, cotton, sugarcane and other crops (usually coarse grain) after harvesting seed. More than half of the products of photosynthesis of crops exist in straw, and straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, etc., is a renewable biological resource with multiple purposes, and is also a kind of coarse fodder. The characteristics are high in crude fiber content and contain lignin. Although lignocellulose cannot be utilized by pigs and chickens, it can be absorbed and utilized by ruminants such as cattle and sheep. In order to better utilize straw, people will use agricultural straw pulverizer to pulverize the straw.
[0003] In the process of pulverizing straw, the existing agricultural straw pulverizer is relatively humid on the inner wall due to the moisture in the straw, and the dust generated after pulverization is easy to be adsorbed on the inner wall of the pulverizer. After pulverization, a layer of mud layer is formed on the inner wall of the pulverizer. Since it is inconvenient for people to clean and flush the inside of the pulverizer, the practicality of use is reduced. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the problems existing in the prior art, the utility model provides an agricultural straw pulverizer to solve the technical problem that a layer of mud layer is formed on the inner wall of the pulverizer after pulverization, and it is inconvenient for people to clean and flush the inside of the pulverizer, which reduces the practicality of use.
[0006] (II) Technical scheme
[0007] In order to achieve the above object, the utility model provides the following technical scheme: an agricultural straw pulverizer, including the pulverizer body, the top of the pulverizer is equipped with a top cover, a plurality of water spray pipes are rotatably connected to the top cover, a plurality of spray heads are installed at the bottom of the internal part of the top cover, a gear is fixedly connected to one end of each of the plurality of water spray pipes extending to the outside of the top cover, a convex groove is arranged at the side end of the top cover, a convex strip is slidably arranged in the convex groove, a rack is fixedly connected to the side end of the convex strip, the rack is engaged with the plurality of gears, an L-shaped seat is fixedly connected to the side end of the top cover, an electric cylinder is installed on the L-shaped seat, the telescopic rod of the electric cylinder is fixedly connected to the side end of the rack, another end of each of the plurality of water spray pipes is connected with a connecting pipe through a rotary joint, another end of the plurality of connecting pipes is communicated with a water delivery pipe, the mud layer in the pulverizer can be conveniently flushed, the labor of people is reduced, and the practicality of use is improved.
[0008] The utility model further sets up, the side end of top cover is located below a plurality of water spray pipes and is provided with a through groove, a dust suction box is inserted in the through groove, a plurality of dust suction ports are evenly arranged at the bottom of the dust suction box, a suction pipe is connected to the side end of the dust suction box, a first fixed plate is fixedly connected to the side end of the dust suction box, a threaded pipe is fixedly connected to the first fixed plate, a screw rod is screw connected in the threaded pipe, a second fixed plate is fixedly connected to one end of the top cover away from the first fixed plate, a motor is installed on the second fixed plate, the output end of the motor is fixedly connected to the side end of the screw rod, and the dust can be conveniently sucked away.
[0009] The utility model further sets up, the top end of threaded pipe is fixedly connected with first limit board, the position of top cover close to first fixed plate is fixedly connected with second limit board matched with first limit board, and the threaded pipe and dust suction box are limited.
[0010] The utility model further sets up, the inside of top cover is provided with two support grooves, two support strips are fixedly connected on the dust suction box, and the two support strips are slidably matched with the two support grooves, so that the stability of the dust suction box sliding in the top cover is ensured.
[0011] The utility model further sets up, the bottom side of the outside of top cover is fixedly connected with mounting ring, the mounting ring is connected with the pulverizer body through a plurality of screws, and the top cover can be conveniently disassembled and assembled.
[0012] The utility model further sets up, the bottom end of mounting ring is provided with sealing gasket, and the sealing property of the connection between the mounting ring and the pulverizer body is ensured.
[0013] The utility model further sets up, the side end of water delivery pipe is fixedly connected with two connecting blocks, the two connecting blocks are fixedly connected with the top cover, and the water delivery pipe can be conveniently fixed.
[0014] The utility model further sets up, the side end of top cover is fixedly connected with baffle in the position corresponding with convex slot, plays the role of limiting to convex strip.
[0015] (Three) beneficial effect
[0016] Compared with the prior art, the utility model provides an agricultural straw pulverizer, has the following beneficial effects:
[0017] 1, through the high pressure water equipment outside high pressure water is sent to the inside of multiple water spray pipes through the water pipe, high pressure water is sprayed to the inside of the pulverizer body through multiple spray heads, and the convex strip and the rack are driven to reciprocate by the electric cylinder, in the process of reciprocating of the rack, the rack drives multiple gears and multiple water spray pipes to rotate back and forth, so as to adjust the angle of multiple spray heads, facilitate the overall flushing of the inside of the pulverizer body, so as to facilitate the flushing of the mud layer in the pulverizer, reduce the labor of people, improve the practicality of use.
[0018] 2, in the process of pulverizing straw, the dust generated in the process of pulverizing straw is sucked away through the dust suction equipment connected with the external suction pipe, so as to avoid the pulverization of flying everywhere, and avoid the dust from being inhaled by people to affect the health.
[0019] 3, the screw rod is driven to rotate clockwise by the motor, the screw rod moves the threaded pipe to the side close to the second fixed plate, the threaded pipe drives the first fixed plate and the dust suction box to move, so that the dust suction box moves to the inside of the top cover, the multiple spray heads are shielded and protected by the dust suction box, in the process of pulverizing straw, the splashing straw is prevented from impacting on the spray head to cause damage to the spray head. ACCURACY OF DRAWINGS
[0020] Figure 1 It is a front structure schematic view of an agricultural straw pulverizer in the utility model;
[0021] Figure 2 It is a structure schematic view of the rear of an agricultural straw pulverizer in the utility model;
[0022] Figure 3 It is a structure schematic view of the structure connection of the top cover, multiple water spray pipes, water pipes and multiple spray heads in the utility model;
[0023] Figure 4 It is a structure schematic view of the structure cooperation of multiple water spray pipes, multiple spray heads, multiple gears, water pipes, racks and electric cylinders in the utility model;
[0024] Figure 5 It is a structure schematic view of the structure cooperation of the dust suction box, threaded pipe, screw rod and motor in the utility model.
[0025] In the figure: 1, pulverizer body; 2, top cover; 3, water spray pipe; 4, spray head; 5, gear; 6, convex groove; 7, convex bar; 8, rack; 9, L-shaped seat; 10, electric cylinder; 11, rotary joint; 12, connecting pipe; 13, water delivery pipe; 14, through slot; 15, dust suction box; 16, dust suction port; 17, suction pipe; 18, first fixed plate; 19, threaded pipe; 20, screw rod; 21, second fixed plate; 22, motor; 23, first limiting plate; 24, second limiting plate; 25, support groove; 26, support bar; 27, mounting ring; 28, sealing gasket; 29, connecting block; 30, baffle. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0029] Please refer to Figures 1-5The utility model provides an agricultural straw pulverizer, including pulverizer body 1, the top of pulverizer is equipped with top cover 2, the outside bottom side of top cover 2 is fixedly connected with mounting ring 27, mounting ring 27 is connected with pulverizer body 1 through a plurality of screws, and top cover 2 is disassembled and assembled, the bottom of mounting ring 27 is provided with sealing gasket 28, guarantees the sealing property of the connection between mounting ring 27 and pulverizer body 1, a plurality of water spray pipes 3 are rotatably connected on top cover 2, a plurality of spray heads 4 are installed on the bottom of the inside portion of top cover 2, a plurality of water spray pipes 3 are fixedly connected with gear 5 at one end extending to the outside of top cover 2, the side end of top cover 2 is provided with convex slot 6, the side end of top cover 2 is fixedly connected with baffle 30 at the position corresponding with convex strip 7, and the convex strip 7 is limited, the inside of convex slot 6 is slidably provided with convex strip 7, the side end of convex strip 7 is fixedly connected with rack 8, rack 8 is engaged with a plurality of gear 5, the side end of L type seat 9 is fixedly connected with electric cylinder 10, the side end of rack 8 is fixedly connected with the telescopic rod of electric cylinder 10, another end of a plurality of water spray pipes 3 is connected with connecting pipe 12 through swivel joint 11, another end of a plurality of connecting pipes 12 is communicated with water delivery pipe 13, the side end of water delivery pipe 13 is fixedly connected with two connecting blocks 29, two connecting blocks 29 are fixedly connected with top cover 2, and water delivery pipe 13 is fixed.
[0030] Specifically, after the pulverization of straw is completed, high-pressure water is delivered to the inside of a plurality of water spray pipes 3 through water delivery pipe 13 by high-pressure water delivery equipment communicated outside water delivery pipe 13, the high-pressure water is sprayed to the inside of pulverizer body 1 through a plurality of spray heads 4, and the convex strip 7 and the rack 8 are driven to reciprocate by the electric cylinder 10, in the process of reciprocating of the rack 8, the rack 8 drives a plurality of gear 5 and a plurality of water spray pipes 3 to rotate back and forth, so as to adjust the angle of a plurality of spray heads 4, the inside of the pulverizer body 1 is fully flushed, so as to flush the mud layer in the pulverizer, reduce the labor of people, and improve the practicality of use.
[0031] Please refer to Figure 2 and Figure 5The top cover 2 has a through groove 14 located below multiple water spray pipes 3 on its side. A dust collection box 15 is inserted into the through groove 14. Multiple suction ports 16 are evenly arranged at the bottom of the dust collection box 15. An air extraction pipe 17 is connected to the side of the dust collection box 15. A first fixing plate 18 is fixedly connected to the side of the dust collection box 15. A threaded pipe 19 is fixedly connected to the first fixing plate 18. A screw 20 is threadedly connected to the inside of the threaded pipe 19. A second fixing plate 21 is fixedly connected to the end of the top cover 2 away from the first fixing plate 18. A motor 22 is installed on the second fixing plate 21. The output end of the motor 22 is fixedly connected to the side end of the screw 20. The top end of the threaded tube 19 is fixedly connected to the first limiting plate 23. The top cover 2 is fixedly connected to the second limiting plate 24, which cooperates with the first limiting plate 23, near the first fixing plate 18. The second limiting plate 24 plays a limiting role for the threaded tube 19 and the dust collection box 15. The top cover 2 has two support grooves 25 inside. The dust collection box 15 is fixedly connected to two support bars 26. The two support bars 26 slide with the two support grooves 25 respectively to ensure the stability of the dust collection box 15 sliding inside the top cover 2.
[0032] Specifically, during the straw crushing process, the motor 22 drives the screw 20 to rotate clockwise. The screw 20 rotates clockwise and moves the threaded tube 19 to the side closer to the second fixed plate 21. The threaded tube 19 drives the first fixed plate 18 and the dust collection box 15 to move, so that the dust collection box 15 moves into the interior of the top cover 2. The dust collection box 15 shields and protects the multiple nozzles 4, preventing the flying straw from hitting the nozzles 4 and causing damage. The suction pipe 17 is connected to an external dust collection device, which sucks away the dust generated during the straw crushing process, preventing the crushed straw from flying everywhere and preventing people from inhaling the dust and affecting their health.
[0033] In summary, when using the overall equipment:
[0034] When the motor 22 drives the screw rod 20 to rotate clockwise, the screw rod 20 drives the threaded pipe 19 to move to the side close to the second fixed plate 21, and the threaded pipe 19 drives the first fixed plate 18 and the dust collection box 15 to move, so that the dust collection box 15 moves to the inside of the top cover 2, the straw to be crushed is placed in the inside of the pulverizer body 1, and the straw is crushed by the pulverizer body 1, and in the process of crushing the straw, the dust generated in the process of crushing the straw is sucked away by the dust collection equipment connected to the outside of the air suction pipe 17, and after the crushing of the straw is completed, the motor 22 drives the screw rod 20 to rotate counterclockwise, the screw rod 20 rotates counterclockwise to drive the threaded pipe 19 to move to the side away from the second fixed plate 21, the threaded pipe 19 drives the first fixed plate 18 and the dust collection box 15 to move, and when the first limiting plate 23 contacts the second limiting plate 24, the motor 22 stops working, at this time, the side end of the dust collection box 15 moves to the inside of the through slot 14, and then the high-pressure water conveying equipment connected to the outside of the water conveying pipe 13 conveys the high-pressure water to the inside of the plurality of water spraying pipes 3 through the water conveying pipe 13, the high-pressure water is sprayed to the inside of the pulverizer body 1 through the plurality of spray heads 4, and at the same time, the convex strip 7 and the rack 8 are driven to reciprocate by the electric cylinder 10, in the process of reciprocating of the rack 8, the rack 8 drives the plurality of gear wheels 5 and the plurality of water spraying pipes 3 to rotate back and forth, so as to adjust the angle of the plurality of spray heads 4, and the pulverizer body 1 is comprehensively washed by the sprayed high-pressure water.
[0035] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here. In the above, when it is mentioned that there is a fixed connection, it is preferred to consider welding. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An agricultural straw pulverizer comprising a pulverizer body (1), characterized in that: The top end of the pulverizer is provided with a top cover (2), a plurality of water spray pipes (3) are rotatably connected to the top cover (2), a plurality of spray heads (4) are mounted at the bottom end of the inner portion of the top cover (2), a gear (5) is fixedly connected to one end of each of the plurality of water spray pipes (3) extending to the outside of the top cover (2), a convex groove (6) is arranged at the side end of the top cover (2), a convex strip (7) is slidably arranged in the convex groove (6), a rack (8) is fixedly connected to the side end of the convex strip (7), the rack (8) is engaged with the plurality of gears (5), an L-shaped seat (9) is fixedly connected to the side end of the top cover (2), an electric cylinder (10) is mounted on the L-shaped seat (9), the telescopic rod of the electric cylinder (10) is fixedly connected to the side end of the rack (8), the other end of each of the plurality of water spray pipes (3) is connected with a connecting pipe (12) through a rotary joint (11), and the other end of each of the plurality of connecting pipes (12) is communicated with a water delivery pipe (13).
2. The agricultural straw pulverizer according to claim 1, characterized in that: A through slot (14) is arranged below the plurality of water spray pipes (3) at the side end of the top cover (2), a dust suction box (15) is inserted into the through slot (14), a plurality of dust suction ports (16) are uniformly arranged at the bottom end of the dust suction box (15), a suction pipe (17) is connected to the side end of the dust suction box (15), a first fixed plate (18) is fixedly connected to the side end of the dust suction box (15), a threaded pipe (19) is fixedly connected to the first fixed plate (18), a screw rod (20) is threadedly connected to the inside of the threaded pipe (19), a second fixed plate (21) is fixedly connected to the end of the top cover (2) away from the first fixed plate (18), an electric motor (22) is mounted on the second fixed plate (21), and the output end of the electric motor (22) is fixedly connected to the side end of the screw rod (20).
3. The agricultural straw pulverizer according to claim 2, characterized in that: A first limiting plate (23) is fixedly connected to the top end of the threaded pipe (19), and a second limiting plate (24) matched with the first limiting plate (23) is fixedly connected to the position close to the first fixed plate (18) of the top cover (2).
4. The agricultural straw pulverizer according to claim 2, characterized in that: Two support grooves (25) are arranged in the inside of the top cover (2), and two support strips (26) are fixedly connected to the dust suction box (15) and slidably matched with the two support grooves (25) respectively.
5. The agricultural straw pulverizer according to claim 1, characterized in that: An installation ring (27) is fixedly connected to the outside bottom side of the top cover (2) and connected with the pulverizer body (1) through a plurality of screws.
6. The agricultural straw pulverizer according to claim 5, characterized in that: A sealing gasket (28) is arranged at the bottom end of the installation ring (27).
7. The agricultural straw pulverizer according to claim 1, characterized in that: Two connecting blocks (29) are fixedly connected to the side end of the water delivery pipe (13) and fixedly connected with the top cover (2).
8. The agricultural straw pulverizer according to claim 1, characterized in that: A baffle (30) is fixedly connected to the position corresponding to the convex groove (6) at the side end of the top cover (2).