Straw crushing device for composting

By designing a straw crushing device with universal wheels and easy-to-operate, the problem of existing devices being difficult to move and single production location is solved, improving work efficiency and simplifying the maintenance process.

CN223007975UActive Publication Date: 2025-06-24天津市农业发展服务中心
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Patent Information

Application Number
CN202421755426.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-06-24
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The existing straw crushing device is large, difficult to move, and has a single production location, resulting in slow work efficiency.

Method used

A straw crushing device including a rack, crushing assembly, crushing power and universal wheel is designed. The universal wheel under the rack makes the equipment moveable, and the inlet port is connected by a fixed pull rod and a corner plate hinge for easy operation and maintenance.

Benefits of technology

The device is easy to operate, can meet a variety of operating conditions, and can realize the flexible movement of the equipment through universal wheels, improve work efficiency, and facilitate cleaning and maintenance through the design of corner hinges.

✦ Generated by Eureka AI based on patent content.

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Abstract

The straw crushing device is characterized in that universal wheels are arranged at the lower end of a rack, a feeding pipe is arranged at a feeding port of a crushing assembly, one side of the feeding pipe is detachably connected to one side of the crushing assembly through a fixing pull rod, and the other side of the feeding pipe is rotationally connected to the upper end of the crushing assembly through an angle plate hinge; and crushing power is arranged on one side of the crushing assembly and connected to the input end of the crushing assembly, and a discharging opening is formed in the other side of the crushing assembly. According to the straw crushing device for composting, through the universal wheels below the rack, a worker can transfer the device to a preset position, then straw to be crushed is added into the crushing assembly through the feeding port, crushed materials are guided out through the discharging port, and the device is convenient to operate, meets various use working conditions and is high in practicability. And a feeding pipe can be opened through an angle plate hinge, so that a feeding port of the crushing assembly is opened, and a worker can conveniently clean and maintain the interior of the crushing assembly.
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Description

Technical Field

[0001] The utility model belongs to the field of compost straw production, and particularly relates to a straw crushing device for composting. Background Art

[0002] Straw recycling is to utilize crop waste straws such as corn stalks, straws, peanut skins, bean stalks, and flower firewood, improve their economic value, protect the environment, and effectively develop renewable energy. Straw recycling includes composting straws. Through microbial decomposition, it meets the conditions as fertilizer. When composting straws, it is necessary to crush the straws to improve the efficiency of microbial decomposition. In the existing crushing devices, when crushing straws, the crushed straws are ejected at one position and accumulate in a large amount. During production, it is necessary to timely transport the crushed materials and store the raw materials to be crushed in advance, resulting in slow working efficiency. Summary of the Invention

[0003] In view of this, the utility model aims to provide a straw crushing device for composting to solve the problems that the existing straw crushing devices are large, not easy to move, and have a single production position.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A straw crushing device for composting includes a crushing component and a crushing power respectively arranged on a frame. Universal wheels are arranged at the lower end of the frame. A feeding pipe is arranged at the feeding port of the crushing component. One side of the feeding pipe is detachably connected to one side of the crushing component through a fixed pull rod, and the other side of the feeding pipe is rotatably connected to the upper end of the crushing component through an angle plate hinge. A crushing power is arranged on one side of the crushing component. The crushing power is connected to the input end of the crushing component, and a discharge port is arranged on the other side of the crushing component.

[0006] Further, the crushing component includes a machine box. A plurality of groups of crushing wheel sets are arranged in the machine box from top to bottom in sequence, and the plurality of crushing wheel sets are arranged in parallel. Each crushing wheel set includes a first crushing wheel and a second crushing wheel. The first crushing wheel and the second crushing wheel are arranged in parallel and oppositely. The first crushing wheel includes a first central shaft and a first gear fixedly sleeved on the periphery thereof. The second crushing wheel includes a second central shaft and a second gear fixedly sleeved on the periphery thereof. The peripheries of the first central shaft and the second central shaft are respectively rotatably sleeved on the side wall of the machine box. The first gear meshes with the second gear. A first synchronous wheel is arranged at one end of the first central shaft. The crushing power includes a power motor. A second synchronous wheel is arranged at the output end of the power motor. The first synchronous wheel and the second synchronous wheel form a synchronous transmission structure through a synchronous belt. A plurality of crushing knives are respectively arranged axially on the peripheries of the first central shaft and the second central shaft, and there is no interference between two adjacent crushing knives.

[0007] Further, the crushing knife includes a cutter head, the inner ring of the cutter head is fixedly sleeved on the first central shaft or the second central shaft, a plurality of mounting holes are evenly distributed on the cutter head in the circumferential direction, and a cutter body is detachably mounted in each mounting hole through a fixing bolt.

[0008] Further, one end of the cutter body is provided with a U-shaped groove, the periphery of the cutter head is located in the U-shaped groove, and through holes are provided on the side walls of the U-shaped groove. One end of the fixing bolt sequentially passes through the through hole and the mounting hole and is then threadedly connected to a fixing nut.

[0009] Further, the fixed pull rod includes a mounting seat, a lower pull rod and an upper pull rod. A shaft pin is fixedly arranged on the mounting seat, one end of the lower pull rod is rotatably sleeved on the periphery of the shaft pin, the other end of the lower pull rod is threadedly connected to one end of the upper pull rod, the other end of the upper pull rod is rotatably sleeved with a hook, a handle is arranged on one side of the feed pipe, and the hook can be hooked in the handle.

[0010] Further, the cross section of the feed pipe is any one of an L-shaped structure, a C-shaped structure or a V-shaped structure.

[0011] Compared with the prior art, the straw crushing device for composting of the present utility model has the following beneficial effects:

[0012] (1) For the straw crushing device for composting of the present utility model, through the universal wheels under the frame, the staff can transfer the device to a preset position, then add the straw to be crushed into the crushing assembly through the feed inlet, and export the crushed material through the discharge outlet. The device is easy to operate, meets various use conditions, and the feed pipe can be opened through the angle plate hinge to open the feed inlet of the crushing assembly, facilitating the staff to clean and maintain the inside of the crushing assembly.

[0013] (2) For the straw crushing device for composting of the present utility model, the first gear and the second gear that mesh with each other rotate synchronously, which can drive the first central shaft and the second central shaft to rotate in opposite directions, so that the straw is bitten into the crushing wheel set. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0015] Figure 1 is a schematic structural diagram of a straw crushing device for composting according to an embodiment of the present utility model;

[0016] Figure 2 is a side view schematic diagram of a straw crushing device for composting according to an embodiment of the present utility model;

[0017] Figure 3 Side view schematic diagram of the crushing wheel set according to an embodiment of the present utility model;

[0018] Figure 4 Structural schematic diagram of the crushing wheel set according to an embodiment of the present utility model;

[0019] Figure 5 Structural schematic diagram of the crushing knife according to an embodiment of the present utility model;

[0020] Figure 6 Structural schematic diagram of the tool body according to an embodiment of the present utility model.

[0021] Explanation of reference numerals:

[0022] 1 - Frame; 2 - Feed pipe; 21 - Handle; 3 - Crushing assembly; 31 - Machine box; 32 - First crushing wheel; 321 - First central axis; 322 - Cutter head; 323 - Tool body; 324 - U-shaped groove; 325 - Fixing bolt; 336 - First synchronous pulley; 33 - Second crushing wheel; 4 - Crushing power; 41 - Power motor; 42 - Second synchronous pulley; 5 - Fixed pull rod; 51 - Mounting seat; 52 - Upper pull rod; 53 - Lower pull rod; 54 - Hook. Specific implementation manner

[0023] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0027] As Figures 1 - 5 shown, a straw crushing device for composting includes a crushing component and a crushing power respectively arranged on a frame 1. Universal wheels are arranged at the lower end of the frame 1. A feed pipe 2 is arranged at the feed inlet of the crushing component. One side of the feed pipe 2 is detachably connected to one side of the crushing component through a fixed pull rod 5. The other side of the feed pipe 2 is rotatably connected to the upper end of the crushing component through an angle plate hinge. A crushing power is arranged on one side of the crushing component, and the crushing power is connected to the input end of the crushing component. And an outlet is arranged on the other side of the crushing component. Through the universal wheels under the frame 1, the staff can transfer the device to a preset position, then add the straw to be crushed into the crushing component through the feed inlet, and export the crushed material through the outlet. The device is easy to operate and meets various use conditions. The feed pipe 2 can be opened through the angle plate hinge to open the feed inlet of the crushing component, which is convenient for the staff to clean and maintain the inside of the crushing component.

[0028] The crushing component includes a machine box 31. A plurality of groups of crushing wheel groups are arranged in the machine box 31 in sequence from top to bottom. As Figure 3 and Figure 4As shown in the figure, this embodiment sets three groups of crushing wheel sets, and the three groups of crushing wheel sets are arranged in parallel. Each crushing wheel set includes a first crushing wheel and a second crushing wheel. The first crushing wheel and the second crushing wheel are arranged in parallel and face each other. The first crushing wheel includes a first central shaft 321 and a first gear fixedly sleeved on its periphery. The second crushing wheel includes a second central shaft and a second gear fixedly sleeved on its periphery. The peripheries of the first central shaft 321 and the second central shaft are respectively rotatably sleeved on the side walls of the chassis 31. The first gear meshes with the second gear, and the mutually meshing first gear and second gear rotate synchronously, which can drive the first central shaft 321 and the second central shaft to rotate towards each other, so that the straw is bitten into the crushing wheel set. One end of the first central shaft 321 is provided with a first synchronous wheel 336. The crushing power includes a power motor 41. The output end of the power motor 41 is provided with a second synchronous wheel 42. The first synchronous wheel 336 and the second synchronous wheel 42 form a synchronous transmission structure through a synchronous belt. And a plurality of crushing knives are respectively arranged along the axial direction on the peripheries of the first central shaft 321 and the second central shaft, and the crushing knives do not interfere with each other. In order to improve the stability of the transmission power, the first synchronous wheel 336 and the second synchronous wheel 42 can be set as sprockets, and the synchronous belt can be set as a chain.

[0029] The crushing knife includes a cutter head 322. The inner ring of the cutter head 322 is fixedly sleeved on the first central shaft 321 or the second central shaft. A plurality of mounting holes are evenly distributed along the circumferential direction on the cutter head 322. A cutter body 323 is detachably mounted in each mounting hole through a fixing bolt 325. One end of the cutter body 323 is provided with a U-shaped groove 324. The periphery of the cutter head 322 is located in the U-shaped groove 324, and through holes are provided on the side walls of the U-shaped groove 324. One end of the fixing bolt 325 passes through the through hole and the mounting hole in sequence and is threadedly connected to a fixing nut. The cutter body 323 provided with the U-shaped groove 324 is convenient for installation on the cutter head 322, so that the staff can disassemble and assemble it.

[0030] The fixed pull rod 5 includes a mounting seat 51, a lower pull rod 53 and an upper pull rod 52. And a shaft pin is fixedly arranged on the mounting seat 51. One end of the lower pull rod 53 is rotatably sleeved on the periphery of the shaft pin. The other end of the lower pull rod 53 is threadedly connected to one end of the upper pull rod 52. The other end of the upper pull rod 52 is rotatably sleeved with a hook 54. A handle 21 is arranged on one side of the feeding pipe 2. The hook 54 can be hooked in the handle 21. The cross section of the feeding pipe 2 is any one of an L-shaped structure, a C-shaped structure or a V-shaped structure. The fixed pull rod 5 is a fixing structure of the feeding pipe 2, which prevents the feeding pipe 2 from shifting during use and causing problems such as poor feeding. And in this embodiment, the cross section of the feeding pipe 2 is an L-shaped structure, which prevents the crushed straw from splashing and ensures production safety.

[0031] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A straw crushing device for composting, characterized in that: The invention comprises a crushing assembly (3) and a crushing power (4) respectively arranged on a frame (1); a universal wheel is arranged at the lower end of the frame (1); a feed pipe (2) is arranged at the feed inlet of the crushing assembly (3); one side of the feed pipe (2) is detachably connected to one side of the crushing assembly (3) via a fixed pull rod (5); the other side of the feed pipe (2) is rotatably connected to the upper end of the crushing assembly (3) via a corner plate hinge; a crushing power (4) is arranged on one side of the crushing assembly (3); the crushing power (4) is connected to the input end of the crushing assembly (3); and a discharge port is arranged on the other side of the crushing assembly (3).

2. A straw crushing device for composting according to claim 1, characterized in that: The crushing assembly (3) comprises a chassis (31), wherein a plurality of crushing wheel groups are arranged in sequence from top to bottom in the chassis (31), and the plurality of crushing wheel groups are arranged in parallel with each other, each crushing wheel group comprises a first crushing wheel (32) and a second crushing wheel (33), the first crushing wheel (32) and the second crushing wheel (33) are arranged in parallel with each other and opposite to each other, the first crushing wheel (32) comprises a first central shaft (321) and a first gear fixedly sleeved on its periphery, the second crushing wheel (33) comprises a second central shaft and a second gear fixedly sleeved on its periphery, the first central shaft (321) ) and the periphery of the second central shaft are respectively rotatably sleeved on the side wall of the chassis (31), the first gear is meshed with the second gear, a first synchronous wheel (336) is arranged at one end of the first central shaft (321), the crushing power (4) comprises a power motor (41), a second synchronous wheel (42) is arranged at the output end of the power motor (41), the first synchronous wheel (336) and the second synchronous wheel (42) form a synchronous transmission structure through a synchronous belt, and a plurality of crushing knives are respectively arranged along the axial direction on the periphery of the first central shaft (321) and the periphery of the second central shaft, and the crushing knives do not interfere with each other.

3. A straw crushing device for composting according to claim 2, characterized in that: The crushing knife comprises a knife disc (322), the inner ring of which is fixedly sleeved on the first central axis (321) or the second central axis, and a plurality of mounting holes are evenly distributed along the circumference of the knife disc (322), and a knife body (323) can be detachably mounted in each mounting hole through a fixing bolt (325).

4. A straw crushing device for composting according to claim 3, characterized in that: A U-shaped groove (324) is provided at one end of the blade body (323), the periphery of the blade disc (322) is located in the U-shaped groove (324), and a through hole is provided on the side wall of the U-shaped groove (324), and one end of the fixing bolt (325) passes through the through hole and the mounting hole in sequence and is then threadedly connected to a fixing nut.

5. The straw crushing device for composting according to claim 1, characterized in that: The fixed pull rod (5) comprises a mounting seat (51), a lower pull rod (53) and an upper pull rod (52), and an axle pin is fixedly arranged on the mounting seat (51), the outer periphery of the axle pin is rotatably sleeved on one end of the lower pull rod (53), the other end of the lower pull rod (53) is threadedly connected to one end of the upper pull rod (52), and the other end of the upper pull rod (52) is rotatably sleeved on a hook (54), and a handle (21) is arranged on one side of the feed pipe (2), and the hook (54) can be hung in the handle (21).

6. A straw crushing device for composting according to claim 1, characterized in that: The cross section of the feed pipe (2) is any one of an L-shaped structure, a C-shaped structure or a V-shaped structure.