Straw smashing and scattering device for crop straw returning and carbon sequestration

Abstract

The utility model relates to the technical field of crop straw returning and carbon sequestration, and discloses a straw smashing and scattering device for crop straw returning and carbon sequestration, which comprises a device shell and a feed port, a first driving motor is arranged at the top of the device shell, a first rotating shaft is additionally arranged at the upper part of an inner cavity of the device shell, and a second driving motor is arranged at the lower part of the inner cavity of the device shell. The first rotating shaft is connected with the first driving motor, and crushing blades are additionally arranged on the surface; and crushing rollers are additionally arranged on the two sides of the top of the screening plate, limiting side plates are connected to the two ends of the screening plate, and third driving motors are installed on the outer sides of the limiting side plates. According to the straw smashing and scattering device for crop straw returning to the field and carbon sequestration, straw is guided into the device shell through a feeding port, a first driving motor drives a first rotating shaft and smashing blades to preliminarily smash the passing straw, the straw falls to the top of a screening plate, and the straw with the qualified size falls through the screening plate; and the third driving motor drives the crushing roller to rotate so as to further crush the straws.

Description

TECHNICAL FIELD

[0001] The utility model relates to crop straw returning to field carbon fixation technology field, concretely is a kind of straw pulverization and scattering device for crop straw returning to field carbon fixation. BACKGROUND

[0002] Crop straw refers to the remainder of stem and leaf part after mature threshing of crop in agricultural production process.It is by-product in agricultural production, with abundant resource quantity and extensive use.Crop straw returning to field carbon fixation is an important agricultural environmental protection measure, aims at increasing soil organic matter content and improving soil fertility by returning straw to soil, and simultaneously realizing carbon fixation and emission reduction.Crop straw returning to field carbon fixation needs to pulverize and scatter straw.This step is one of key links in straw returning to field carbon fixation technology, aims at improving decomposition efficiency of straw in soil and carbon fixation effect.

[0003] Common straw pulverization and scattering device for crop straw returning to field carbon fixation is usually composed of shell, pulverizing device, scattering device, transmission device and other auxiliary components etc.Structure.Crop straw is first introduced into shell, pulverizing device is used to pulverize straw, scattering device is used to uniformly scatter pulverized straw on farmland surface and cover on soil, and transmission device is used to transmit external power to pulverizing device and scattering device.

[0004] Traditional straw pulverization and scattering device for crop straw returning to field carbon fixation uses pulverizing device, usually pulverizing blade, and pulverizing blade is installed on rotating shaft, and rotating shaft is driven by motor, so that pulverizing blade is used to pulverize passing straw, and the pulverization of straw by pulverizing blade is not thorough enough, and straw debris is difficult to enter soil, so that decomposition speed of straw debris is slowed down.To solve the above problem, part of straw pulverization and scattering device for crop straw returning to field carbon fixation is provided with two groups of pulverizing structures, and straw is further pulverized after preliminary pulverization, but in this way, although pulverization effect of straw is improved by two groups of pulverizing devices, but in pulverization process, phenomenon of incomplete pulverization of part of straw still occurs, so a kind of straw pulverization and scattering device for crop straw returning to field carbon fixation is provided. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the deficiency of prior art, the utility model provides a kind of straw pulverization and scattering device for crop straw returning to field carbon fixation to solve the technical problem that the above-mentioned phenomenon of incomplete pulverization of part of straw occurs.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of straw pulverization and throwing device for crop straw returning to field carbon fixation, including

[0009] Device shell, and the feed inlet being arranged at the top of device shell both sides, and the top center position of device shell is equipped with first drive motor, and the inner chamber upper center of device shell is additionally provided with first rotating shaft, and is coaxially connected with first drive motor, and the surface of first rotating shaft is uniformly additionally provided with pulverizing blade;

[0010] Screening plate, the inner chamber center of device shell is arranged, and the top center both sides of screening plate are additionally provided with pulverizing roller, and the both ends of pulverizing roller are rotatably connected with limiting side plate, and the outside of limiting side plate is equipped with third drive motor, and is coaxially connected with pulverizing roller;

[0011] Bilateral screw rod, the center lower part of the front and back surface of device shell is arranged, and the end of bilateral screw rod is coaxially connected with second drive motor, the center both sides of bilateral screw rod are equipped with sliding block, and the top of sliding block is equipped with connecting plate, and the bottom of connecting plate is connected with limiting side plate.Stalk is guided into the inside of device shell through feed inlet, first drive motor drives first rotating shaft and pulverizing blade to preliminarily pulverize the stalk passing through, and stalk falls to the top of screening plate, and the stalk of qualified size is lowered through screening plate, third drive motor drives pulverizing roller to rotate on limiting side plate, and further pulverizes the stalk on the top of screening plate, second drive motor drives bilateral screw rod to rotate, and sliding block drives pulverizing roller to move towards each other through connecting plate and limiting side plate, and adjusts the interval between two groups of pulverizing rollers.On the one hand, part of unqualified stalk can be intercepted by screening plate and pulverized, so that the qualified stalk is pulverized and lowered, avoiding the phenomenon that part of stalk is not completely pulverized and lowered with qualified stalk.On the other hand, compared with the traditional fixed pulverizing structure, the position of pulverizing roller can be adjusted, so that the stalk on the top of screening plate can be completely pulverized, and the stalk is moved by collision, avoiding the accumulation of stalk on the top of screening plate and causing blockage.

[0012] Preferably, the top both sides of device shell are equipped with feed hopper, and the feed hopper is connected with feed inlet.The stalk can be conveyed into device shell through feed hopper and feed inlet.

[0013] Preferably, the outside lower part of device shell is additionally provided with discharge port, and the outer end of discharge port is additionally provided with second rotating shaft, and the second rotating shaft is rotatably connected with device shell.The second rotating shaft rotates on device shell.

[0014] Preferably, the outer surface of the second rotating shaft is provided with a throwing side plate, and the back surface of the second rotating shaft is coaxially connected with a fourth driving motor.

[0015] Preferably, the limiting side plate is slidingly connected with the device housing, and the outer side of the limiting side plate is transversely provided with an extension plate.

[0016] Preferably, the inner cavity of the device housing is provided at the lower portion with a flow guide plate, and the top of the flow guide plate is designed as a slope, and the bottom end of the slope corresponds to the discharge port.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the present application provides a straw crushing and throwing device for crop straw returning and carbon sequestration, which has the following beneficial effects:

[0019] The straw crushing and throwing device for crop straw returning and carbon sequestration guides the straw into the inside of the device housing through the feed inlet, the first driving motor drives the first rotating shaft and the crushing blade to preliminarily crush the passing straw, the straw falls onto the top of the screening plate, the qualified straw passes through the screening plate and falls, the third driving motor drives the crushing roller to rotate on the limiting side plate and further crushes the straw on the top of the screening plate, the screening plate can intercept and crush part of the unqualified straw, so that the qualified straw is crushed and falls, avoiding the phenomenon that part of the straw is not completely crushed and falls with the qualified straw, the second driving motor drives the bidirectional screw to rotate, the sliding block drives the crushing roller to move towards each other through the connecting plate and the limiting side plate, and the distance between the two crushing rollers is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the device housing cross-section structure of the present application;

[0022] Figure 3 It is the schematic view of bidirectional screw rod and connecting structure of the utility model;

[0023] Figure 4 It is the schematic view of second rotating shaft and connecting structure of the utility model.

[0024] In the figure: 1, device shell; 2, feed inlet; 3, feed hopper; 4, discharge port; 5, first drive motor; 6, first rotating shaft; 7, crushing blade; 8, screening plate; 9, bidirectional screw rod; 10, second drive motor; 11, sliding block; 12, connecting plate; 13, crushing roller; 14, limiting side plate; 15, outer extension plate; 16, third drive motor; 17, second rotating shaft; 18, throwing side plate; 19, fourth drive motor; 20, guide plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] The utility model provides a kind of technical scheme, a kind of straw crushing and throwing device for crop straw returning to field carbon fixation, comprising: Figure 1 Device shell 1 and the feed inlet 2 being arranged at the top of device shell 1 two sides, and the top center position of device shell 1 is equipped with first drive motor 5, the inner cavity upper center of device shell 1 is additionally provided with first rotating shaft 6, and is coaxially connected with first drive motor 5, and the surface of first rotating shaft 6 is uniformly additionally provided with crushing blade 7;

[0027] Screening plate 8 is arranged in the inner cavity center of device shell 1, and the top center two sides of screening plate 8 are additionally provided with crushing roller 13, and the both ends of crushing roller 13 are rotatably connected with limiting side plate 14, and third drive motor 16 is installed on the outside of limiting side plate 14, and is coaxially connected with crushing roller 13; Figure 2

[0028] Screening plate 8 is arranged in the inner cavity center of device shell 1, and the top center two sides of screening plate 8 are additionally provided with crushing roller 13, and the both ends of crushing roller 13 are rotatably connected with limiting side plate 14, and third drive motor 16 is installed on the outside of limiting side plate 14, and is coaxially connected with crushing roller 13; Figure 3 ​, the two-way screw rod 9 is coaxially connected with the second driving motor 10 at the end thereof, the sliding block 11 is sleeved on both sides of the center of the two-way screw rod 9, the top of the sliding block 11 is provided with the connecting plate 12, and the connecting plate 12 is connected with the bottom of the limiting side plate 14. The straw is introduced into the inside of the device housing 1 through the feeding port 2, the first driving motor 5 drives the first rotating shaft 6 and the crushing blade 7 to preliminarily crush the passing straw, and the straw falls to the top of the screening plate 8, the qualified straw passes through the screening plate 8 and falls, the third driving motor 16 drives the crushing roller 13 to rotate on the limiting side plate 14 and further crushes the straw on the top of the screening plate 8, and the second driving motor 10 drives the two-way screw rod 9 to rotate, and the sliding block 11 drives the crushing roller 13 to move towards each other through the connecting plate 12 and the limiting side plate 14 and adjusts the distance between the two groups of crushing rollers 13. On the one hand, part of the unqualified straw can be intercepted by the screening plate 8 and crushed, so that the qualified straw is crushed and falls, and the phenomenon that part of the straw is not completely crushed and falls with the qualified straw is avoided; on the other hand, compared with the traditional fixed crushing structure, the crushing roller 13 of the structure can be adjusted in position, so that the straw on the top of the screening plate 8 can be comprehensively crushed, and the straw is moved by collision, so that the straw is prevented from being accumulated on the top of the screening plate 8 and blocked.

[0029] Please refer to Figure 1 The top of the device housing 1 is provided with the feeding hopper 3 on both sides, and the feeding hopper 3 is in communication connection with the feeding port 2. The straw can be conveyed into the device housing 1 through the feeding hopper 3 and the feeding port 2.

[0030] Please refer to Figure 2 The lower part of the outer side of the device housing 1 is additionally provided with the discharging port 4, and the outer end of the discharging port 4 is additionally provided with the second rotating shaft 17, and the second rotating shaft 17 is rotatably connected with the device housing 1. The second rotating shaft 17 rotates on the device housing 1.

[0031] Please refer to Figure 4 The outer surface of the second rotating shaft 17 is provided with the throwing side plate 18 around, and the back surface of the second rotating shaft 17 is coaxially connected with the fourth driving motor 19. When the crushed straw moves to the throwing side plate 18, the fourth driving motor 19 drives the throwing side plate 18 to rotate through the second rotating shaft 17 and performs throwing operation on the crushed straw. The throwing distance of the crushed straw can be adjusted according to the speed of the fourth driving motor 19 driving the second rotating shaft 17.

[0032] Please refer to Figure 2The limiting side plate 14 is in sliding connection with the device shell 1, and the outer side of the limiting side plate 14 is transversely provided with an outer extension plate 15. The limiting side plate 14 can drive the outer extension plate 15 to translate along the device shell 1. The inner cavity of the device shell 1 is provided with a flow guide plate 20, the top of the flow guide plate 20 is designed as a slope, and the bottom end of the slope of the top of the flow guide plate 20 corresponds to the discharge port 4. After the crushed straw falls to the top of the flow guide plate 20, it rolls along the slope of the flow guide plate 20, so that the crushed straw moves outward through the discharge port 4, and the phenomenon that part of the straw remains in the inner cavity of the device shell 1 is avoided.

[0033] The present scheme: the straw is introduced into the inside of the device shell 1 through the feeding port 2, the first driving motor 5 drives the first rotating shaft 6 and the crushing blade 7 to preliminarily crush the passing straw, the straw falls to the top of the screening plate 8, the straw with a qualified size falls through the screening plate 8, the third driving motor 16 drives the crushing roller 13 to rotate on the limiting side plate 14, and further crushes the straw on the top of the screening plate 8, the second driving motor 10 drives the bidirectional lead screw 9 to rotate, the sliding block 11 drives the crushing roller 13 to move towards each other through the connecting plate 12 and the limiting side plate 14, and adjusts the distance between the two groups of crushing rollers 13. After the crushed straw falls to the top of the flow guide plate 20, it rolls along the slope of the flow guide plate 20, so that the crushed straw moves outward through the discharge port 4, when the crushed straw moves to the throwing side plate 18, the fourth driving motor 19 drives the throwing side plate 18 to rotate through the second rotating shaft 17, and performs throwing operation on the crushed straw.

[0034] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A straw crushing and spreading device for returning crop straw to the field for carbon sequestration, characterized in that, include: The device housing (1) and the feed inlets (2) are provided on both sides of the top of the device housing (1). A first drive motor (5) is installed at the center of the top of the device housing (1). A first rotating shaft (6) is added to the center of the upper part of the inner cavity of the device housing (1) and is coaxially connected with the first drive motor (5). Crushing blades (7) are evenly added to the surface of the first rotating shaft (6). A sieve plate (8) is set in the center of the inner cavity of the device housing (1), and crushing rollers (13) are added on both sides of the top center of the sieve plate (8). The two ends of the crushing rollers (13) are rotatably connected to the limiting side plates (14), and a third drive motor (16) is installed on the outside of the limiting side plates (14) and coaxially connected with the crushing rollers (13). A bidirectional lead screw (9) is located at the lower center of the front and back of the device housing (1), and a second drive motor (10) is coaxially connected to the end of the bidirectional lead screw (9). Slider blocks (11) are sleeved on both sides of the center of the bidirectional lead screw (9), and a connecting plate (12) is installed on the top of the slider (11). The connecting plate (12) is connected to the bottom of the limiting side plate (14).

2. The straw crushing and spreading device for returning crop straw to the field for carbon sequestration according to claim 1, characterized in that: Feed hoppers (3) are installed on both sides of the top of the device housing (1), and the feed hoppers (3) are connected to the feed inlet (2).

3. The straw crushing and spreading device for returning crop straw to the field for carbon sequestration according to claim 1, characterized in that: The lower outer side of the device housing (1) is provided with a discharge port (4), and a second rotating shaft (17) is provided at the outer end of the discharge port (4). The second rotating shaft (17) is rotatably connected to the device housing (1).

4. The straw crushing and spreading device for returning crop straw to the field for carbon sequestration according to claim 3, characterized in that: The second rotating shaft (17) has a scattering side plate (18) installed around its outer surface, and a fourth drive motor (19) is coaxially connected to the back of the second rotating shaft (17).

5. The straw crushing and spreading device for returning crop straw to the field for carbon sequestration according to claim 1, characterized in that: The limiting side plate (14) is slidably connected to the device housing (1), and an extension plate (15) is installed laterally on the outer side of the limiting side plate (14).

6. The straw crushing and spreading device for returning crop straw to the field for carbon sequestration according to claim 3, characterized in that: A guide plate (20) is installed in the lower part of the inner cavity of the device housing (1), and the top of the guide plate (20) is designed with a slope. The bottom end of the slope of the top of the guide plate (20) corresponds to the discharge port (4).

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