Agricultural straw smashing device

Abstract

The utility model discloses an agricultural straw smashing device which comprises a frame, a smashing housing, a first driving shaft, a second driving shaft and a scraper assembly. A moving assembly and a driving assembly are mounted on the frame; the crushing housing is mounted at the top of the frame; a first crushing roller assembly and a second crushing roller assembly are rotationally connected in the crushing housing side by side up and down; the two ends of the smashing housing communicate with a feeding hopper and an arc-shaped discharging hopper correspondingly. The first driving shaft is rotationally connected into the arc-shaped discharging hopper; the driving assembly is in transmission connection with the first driving shaft; the second driving shaft is rotationally connected to the frame; the second driving shaft is in transmission connection with the first driving shaft; the scraper assembly is installed on the first driving shaft and makes sliding contact with the inner wall of the arc-shaped discharging hopper. By means of the straw smashing device, efficient smashing of straw can be achieved, smashed straw particles can be automatically discharged, continuity of the smashing process is guaranteed, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of straw crushing, in particular to an agricultural straw crushing device. Background Art

[0002] In agricultural production, straw is the main byproduct after crop harvest, and its treatment and utilization has always been an important topic in the development of agricultural mechanization. Traditional straw treatment methods, such as burning or natural stacking, not only waste resources, but also may cause serious pollution to the environment. Therefore, the development of efficient and environmentally friendly straw crushing devices to convert straw into reusable resources has become an important direction for sustainable agricultural development.

[0003] However, the existing straw crushing device easily accumulates the crushed straw particles at the discharge port, causing blockage, affecting the continuity of the crushing process and reducing work efficiency. Manual intervention and discharge operations are required, which not only increases labor intensity, but may also cause equipment failure or safety accidents due to human operating errors.

[0004] Therefore, an agricultural straw crushing device is proposed. Utility Model Content

[0005] The utility model aims to provide an agricultural straw crushing device, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above purpose, the utility model provides the following solution: The utility model provides an agricultural straw crushing device, comprising:

[0007] A frame, on which a moving assembly and a driving assembly are mounted;

[0008] A crushing shell, the crushing shell is installed on the top of the frame, and a first crushing roller assembly and a second crushing roller assembly are connected to the crushing shell for rotation side by side up and down; the two ends of the crushing shell are respectively connected to a feed hopper and an arc-shaped discharge hopper;

[0009] A first drive shaft, the first drive shaft is rotatably connected in the arc-shaped discharge hopper; the drive assembly is drivingly connected to the first drive shaft;

[0010] A second drive shaft, the second drive shaft is rotatably connected to the frame; the second drive shaft is drivingly connected to the first drive shaft;

[0011] A scraper assembly, the scraper assembly is mounted on the first drive shaft, and the scraper assembly is in sliding contact with the inner wall of the arc-shaped discharge hopper;

[0012] Wherein, the first crushing roller assembly is connected to the second driving shaft through a sprocket chain assembly, and the second crushing roller assembly is connected to the second driving shaft through a gear set.

[0013] According to an agricultural straw pulverizing device provided by the utility model, one end of the first driving shaft extends out of the arc-shaped discharge hopper, and the end of the first driving shaft is installed with a first belt pulley and a second belt pulley arranged at intervals, and the first belt pulley and the second belt pulley are both located outside the arc-shaped discharge hopper;

[0014] The output shaft of the driving assembly is installed with a third pulley, the second driving shaft is installed with a fourth pulley, and the first pulley and the third pulley, the second pulley and the fourth pulley are respectively connected through synchronous belt transmission.

[0015] According to an agricultural straw crushing device provided by the utility model, the scraper assembly comprises:

[0016] A scraper support, wherein the middle section between the scrapers is fixedly mounted on the first drive shaft, and the scraper support is located in the arc-shaped discharge hopper;

[0017] The scraper body is provided with two scraper bodies, which are respectively mounted at the two ends of the scraper bracket, and both of the scraper bodies are in sliding contact with the inner wall of the arc-shaped discharge hopper.

[0018] According to an agricultural straw crushing device provided by the utility model, the first crushing roller assembly includes a first rotating roller rotatably connected to the crushing housing, the second crushing roller assembly includes a second rotating roller rotatably connected to the crushing housing, the second rotating roller is located directly below the first rotating roller, and a gap is provided between the second rotating roller and the first rotating roller;

[0019] A plurality of crushing teeth are installed on the first rotating roller and the second rotating roller. The first rotating roller is connected to the second driving shaft through the sprocket chain assembly, and the second rotating roller is connected to the second driving shaft through the gear set.

[0020] According to an agricultural straw crushing device provided by the utility model, the sprocket chain assembly includes a first sprocket, a second sprocket and a chain; one end of the first rotating roller extends out of the crushing cover and is fixedly connected to the first sprocket, and the second sprocket is installed at one end of the second driving shaft away from the fourth pulley; the first sprocket and the second sprocket are connected through the chain transmission.

[0021] According to an agricultural straw crushing device provided by the utility model, the gear set includes a first gear and a second gear, one end of the second rotating roller extends out of the crushing cover and is fixedly connected to the first gear, the second gear is fixedly mounted on the second driving shaft, and the first gear is meshed with the second gear for transmission.

[0022] According to an agricultural straw crushing device provided by the utility model, the driving assembly includes a driving motor installed on the frame, and the third pulley is installed on the output shaft of the driving motor.

[0023] According to an agricultural straw crushing device provided by the utility model, the moving component includes at least four universal wheels, and the four universal wheels are respectively installed at the four corners of the bottom surface of the frame.

[0024] The utility model discloses the following technical effects:

[0025] The utility model introduces agricultural straw into a crushing cover shell through a feed hopper, crushes it through a first crushing roller assembly and a second crushing roller assembly arranged side by side up and down, and then discharges it through an arc-shaped discharge hopper; the first driving shaft is driven to rotate by a driving assembly, thereby driving the scraper assembly to rotate, and the crushed straw particles are pushed from the bottom of the arc-shaped discharge hopper to the outlet through the scraping action of the scraper assembly, thereby realizing smooth automatic discharge, ensuring the continuity of the crushing process, and improving work efficiency;

[0026] In the utility model, the first driving shaft rotates under the drive of the driving assembly, thereby driving the second driving shaft to rotate, the second driving shaft drives the first crushing roller assembly to rotate forwardly through the sprocket chain assembly, and the second driving shaft drives the second crushing roller assembly to rotate reversely through the gear set, thereby realizing the relative rotation of the first crushing roller assembly and the second crushing roller assembly, thereby ensuring that the straw is cut and rubbed multiple times during the crushing process, thereby improving the crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is an axonometric drawing of the utility model;

[0029] Figure 2 The explosion of the utility model Figure I ;

[0030] Figure 3The explosion of the utility model Figure II ;

[0031] Figure 4 The explosion of the utility model Figure III .

[0032] Among them, 1. frame; 2. universal wheel; 3. crushing cover; 4. feed hopper; 5. arc-shaped discharge hopper; 6. first drive shaft; 7. first pulley; 8. second pulley; 9. drive motor; 10. third pulley; 11. second drive shaft; 12. fourth pulley; 13. scraper bracket; 14. scraper body; 15. first rotating roller; 16. second rotating roller; 17. crushing teeth; 18. first sprocket; 19. second sprocket; 20. first gear; 21. second gear. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] Reference Figure 1-Figure 4 The utility model provides an agricultural straw crushing device, comprising:

[0036] Frame 1, on which a moving component and a driving component are mounted;

[0037] A crushing shell 3 is installed on the top of the frame 1. A first crushing roller assembly and a second crushing roller assembly are connected to the crushing shell 3 for rotation side by side. The two ends of the crushing shell 3 are connected to a feed hopper 4 and an arc-shaped discharge hopper 5 respectively.

[0038] A first drive shaft 6, the first drive shaft 6 is rotatably connected in the arc-shaped discharge hopper 5; the drive assembly is transmission-connected to the first drive shaft 6;

[0039] A second drive shaft 11, the second drive shaft 11 is rotatably connected to the frame 1; the second drive shaft 11 is transmission-connected to the first drive shaft 6;

[0040] A scraper assembly, the scraper assembly is mounted on the first drive shaft 6, and the scraper assembly is in sliding contact with the inner wall of the arc-shaped discharge hopper 5;

[0041] The first crushing roller assembly is connected to the second drive shaft 11 through a sprocket chain assembly, and the second crushing roller assembly is connected to the second drive shaft 11 through a gear set.

[0042] With such arrangement, the utility model introduces agricultural straw into the crushing housing 3 through the feed hopper 4, crushes it through the first crushing roller assembly and the second crushing roller assembly arranged side by side up and down, and then discharges it through the arc-shaped discharge hopper 5; the first driving shaft 6 is driven to rotate by the driving assembly, thereby driving the scraper assembly to rotate, and the crushed straw particles are pushed from the bottom of the arc-shaped discharge hopper 5 to the outlet through the scraping action of the scraper assembly, thereby realizing smooth automatic discharge, ensuring the continuity of the crushing process, and improving work efficiency;

[0043] In the utility model, the first drive shaft 6 rotates under the drive of the driving assembly, thereby driving the second drive shaft 11 to rotate. The second drive shaft 11 drives the first crushing roller assembly to rotate forward through the sprocket chain assembly, and the second drive shaft 11 drives the second crushing roller assembly to rotate reversely through the gear set, thereby realizing the relative rotation of the first crushing roller assembly and the second crushing roller assembly, thereby ensuring that the straw is cut and rubbed multiple times during the crushing process, thereby improving the crushing efficiency.

[0044] In a further optimized solution, one end of the first drive shaft 6 extends out of the arc-shaped discharge hopper 5, and the end of the first drive shaft 6 is provided with a first belt pulley 7 and a second belt pulley 8 arranged at intervals, and the first belt pulley 7 and the second belt pulley 8 are both located outside the arc-shaped discharge hopper 5;

[0045] The output shaft of the driving assembly is equipped with a third pulley 10, the second driving shaft 11 is equipped with a fourth pulley 12, the first pulley 7 and the third pulley 10, the second pulley 8 and the fourth pulley 12 are connected by synchronous belt transmission respectively;

[0046] In this arrangement, the first pulley 7 is connected to the third pulley 10, and the second pulley 8 is connected to the fourth pulley 12 through the synchronous belt, thereby realizing the transmission of power from the drive assembly to the first drive shaft 6 and the second drive shaft 11; when the drive assembly is started, the first drive shaft 6 drives the scraper assembly to rotate through the belt transmission, and the second drive shaft 11 also obtains power to drive the first crushing roller assembly and the second crushing roller assembly to rotate relative to each other.

[0047] To further optimize the solution, the scraper assembly includes:

[0048] A scraper support 13, the middle section between the scrapers is fixedly mounted on the first drive shaft 6, and the scraper support 13 is located in the arc-shaped discharge hopper 5;

[0049] The scraper body 14 is provided with two scraper bodies 14, and the two scraper bodies 14 are respectively installed at the two ends of the scraper bracket 13, and the two scraper bodies 14 are in sliding contact with the inner wall of the arc-shaped discharge hopper 5;

[0050] In this arrangement, when the first drive shaft 6 rotates under the drive of the driving assembly, the scraper assembly rotates accordingly, and the scraper body 14 pushes the crushed straw particles from the bottom of the arc-shaped discharge hopper 5 to the outlet through its scraping action, ensuring smooth discharge and avoiding blockage.

[0051] In a further optimized solution, the first crushing roller assembly includes a first rotating roller 15 rotatably connected to the crushing housing 3, and the second crushing roller assembly includes a second rotating roller 16 rotatably connected to the crushing housing 3, and the second rotating roller 16 is located directly below the first rotating roller 15, and a gap is provided between the second rotating roller 16 and the first rotating roller 15;

[0052] A plurality of crushing teeth 17 are installed on the first rotating roller 15 and the second rotating roller 16. The first rotating roller 15 is connected to the second driving shaft 11 through a sprocket chain assembly, and the second rotating roller 16 is connected to the second driving shaft 11 through a gear set.

[0053] With such arrangement, when the second drive shaft 11 rotates, the first rotating roller 15 is driven to rotate in the forward direction through the sprocket chain assembly; when the second drive shaft 11 rotates, the second rotating roller 16 is driven to rotate in the reverse direction through the gear set, driving the plurality of crushing teeth 17 to cut, crush and rub the straw.

[0054] A further optimized solution is that the sprocket chain assembly includes a first sprocket 18, a second sprocket 19 and a chain; one end of the first rotating roller 15 extends out of the crushing shell 3 and is fixedly connected to the first sprocket 18, and the second drive shaft 11 is installed with a second sprocket 19 at one end away from the fourth pulley 12; the first sprocket 18 and the second sprocket 19 are connected by a chain transmission.

[0055] A further optimized solution is that the gear set includes a first gear 20 and a second gear 21. One end of the second rotating roller 16 extends out of the crushing cover 3 and is fixedly connected to the first gear 20. The second gear 21 is fixedly mounted on the second driving shaft 11. The first gear 20 and the second gear 21 are meshed for transmission. The first gear 20 and the second gear 21 are meshed for transmission, and the second rotating roller 16 is driven to rotate in the opposite direction through the meshing transmission of the first gear 20 and the second gear 21, thereby realizing the relative rotation of the first rotating roller 15 and the second rotating roller 16.

[0056] According to a further optimized solution, the driving assembly includes a driving motor 9 mounted on the frame 1 , and a third pulley 10 is mounted on the output shaft of the driving motor 9 .

[0057] According to a further optimized solution, the mobile assembly includes at least four universal wheels 2, which are respectively installed at the four corners of the bottom surface of the frame 1. The universal wheels 2 enable the entire device to be easily moved and are convenient for transfer between different work locations.

[0058] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0059] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An agricultural straw crushing device, characterized in that: include: A frame (1), on which a moving component and a driving component are mounted; A crushing shell (3), the crushing shell (3) being mounted on the top of the frame (1), wherein a first crushing roller assembly and a second crushing roller assembly are rotatably connected side by side in the crushing shell (3); a feed hopper (4) and an arc-shaped discharge hopper (5) are respectively connected at both ends of the crushing shell (3); A first drive shaft (6), the first drive shaft (6) is rotatably connected in the arc-shaped discharge hopper (5); the drive assembly is in transmission connection with the first drive shaft (6); A second drive shaft (11), the second drive shaft (11) being rotatably connected to the frame (1); the second drive shaft (11) being transmission-connected to the first drive shaft (6); A scraper assembly, the scraper assembly being mounted on the first drive shaft (6), the scraper assembly being in sliding contact with the inner wall of the arc-shaped discharge hopper (5); The first crushing roller assembly is connected to the second drive shaft (11) through a sprocket chain assembly, and the second crushing roller assembly is connected to the second drive shaft (11) through a gear set.

2. The agricultural straw crushing device according to claim 1, characterized in that: One end of the first drive shaft (6) extends out of the arc-shaped discharge hopper (5), and a first belt pulley (7) and a second belt pulley (8) are installed at the end of the first drive shaft (6), and the first belt pulley (7) and the second belt pulley (8) are both located outside the arc-shaped discharge hopper (5); The output shaft of the driving assembly is equipped with a third pulley (10), the second driving shaft (11) is equipped with a fourth pulley (12), and the first pulley (7) and the third pulley (10), the second pulley (8) and the fourth pulley (12) are respectively connected by synchronous belt transmission.

3. The agricultural straw crushing device according to claim 1, characterized in that: The scraper assembly comprises: A scraper support (13), wherein the middle section between the scrapers is fixedly mounted on the first drive shaft (6), and the scraper support (13) is located in the arc-shaped discharge hopper (5); The scraper body (14) is provided with two scraper bodies (14), and the two scraper bodies (14) are respectively installed at the two ends of the scraper bracket (13), and the two scraper bodies (14) are both in sliding contact with the inner wall of the arc-shaped discharge hopper (5).

4. The agricultural straw crushing device according to claim 2, characterized in that: The first pulverizing roller assembly comprises a first rotating roller (15) rotatably connected to the pulverizing housing (3); the second pulverizing roller assembly comprises a second rotating roller (16) rotatably connected to the pulverizing housing (3); the second rotating roller (16) is located directly below the first rotating roller (15) and a gap is provided between the second rotating roller (16) and the first rotating roller (15); A plurality of crushing teeth (17) are mounted on the first rotating roller (15) and the second rotating roller (16); the first rotating roller (15) is transmission-connected to the second drive shaft (11) via the sprocket chain assembly; and the second rotating roller (16) is transmission-connected to the second drive shaft (11) via the gear set.

5. The agricultural straw crushing device according to claim 4, characterized in that: The sprocket chain assembly comprises a first sprocket (18), a second sprocket (19) and a chain; one end of the first rotating roller (15) extends out of the pulverizing housing (3) and is fixedly connected to the first sprocket (18); the second sprocket (19) is installed at one end of the second driving shaft (11) away from the fourth pulley (12); the first sprocket (18) and the second sprocket (19) are connected through the chain transmission.

6. The agricultural straw crushing device according to claim 4, characterized in that: The gear set comprises a first gear (20) and a second gear (21); one end of the second rotating roller (16) extends out of the pulverizing housing (3) and is fixedly connected to the first gear (20); the second gear (21) is fixedly mounted on the second driving shaft (11); the first gear (20) and the second gear (21) are meshed for transmission.

7. The agricultural straw crushing device according to claim 2, characterized in that: The driving assembly comprises a driving motor (9) mounted on the frame (1), and the third pulley (10) is mounted on the output shaft of the driving motor (9).

8. The agricultural straw crushing device according to claim 1, characterized in that: The moving assembly comprises at least four universal wheels (2), and the four universal wheels (2) are respectively installed at the four corners of the bottom surface of the frame (1).

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