Screening and impurity removing equipment for unscrewing soil

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to screening and impurity removing equipment for unscrewing soil, which is used for treating impurities such as stones, vegetation rhizomes and the like in soil after wasteland dig, and comprises a rack, an excavating device, a driving connecting device, a screening net chain conveying device, an auxiliary feeding roller, a walking device and a discharging device, the auxiliary feeding roller conveys the soil backwards to the screening net chain conveying device, the vibrating roller knocks a circulating net chain through a cam, impurities in the soil are efficiently separated, and the impurities are discharged through the discharging device. The device is reasonable in structure, can effectively treat sundries such as stones, vegetation rhizomes and the like in unscrewed soil after wasteland reclamation, improves the soil screening and impurity removing efficiency, improves the land reclamation efficiency and quality, and is suitable for land reclamation work in the fields of agriculture, forestry, animal husbandry and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a screening and impurity removing device for loosening soil. Background Art

[0002] Wasteland for land reclamation refers to the land that can be developed and utilized for construction but has not been developed and utilized yet, mainly including wasteland suitable for agriculture, forestry and animal husbandry, etc. In order to carry out land reclamation, the common method is to first deal with the vegetation on the wasteland, then use a deep tillage machine to loosen the soil, that is, soil transportation, and then deal with the sundries in the soil, such as stones and vegetation roots in the soil.

[0003] The existing methods for dealing with sundries in loosened soil have the following problems:

[0004] Low automation degree: Many devices require manual intervention or auxiliary operations, increasing the workload and cost;

[0005] Low efficiency: Existing devices usually require multiple processes such as loosening, screening, cleaning, etc., resulting in a low overall working efficiency;

[0006] Easy to clog and difficult to maintain: For soil containing a large amount of stones and roots, the sieve mesh or conveying device of existing devices is easy to clog, affecting continuous operation, and the maintenance cost is relatively high;

[0007] High cost: Existing devices are usually expensive, and additional supporting devices such as conveying devices and cleaning devices are required, increasing the overall cost of land reclamation.

[0008] Therefore, it is necessary to develop a screening and impurity removing device that can realize automation and is used to deal with sundries such as stones and vegetation roots in the loosened soil after land reclamation. Content of the Utility Model

[0009] The utility model aims to solve at least one of the technical problems existing in the prior art. The utility model provides a screening and impurity removing device for loosening soil.

[0010] A screening and impurity removing device for loosening soil includes a frame, an excavation device, a driving and connecting device, a screening mesh chain conveying device, an auxiliary feeding roller and a traveling device;

[0011] The driving and connecting device is located at the top of the front end of the frame, the excavation device is located at the bottom side of the front end of the frame and below the driving and connecting device, the screening mesh chain conveying device is located inside the frame, the traveling device is located at the bottom of the frame, and the auxiliary feeding roller is arranged between the excavation device and the screening mesh chain conveying device and above the excavation device;

[0012] The screening mesh chain conveying device includes a circulating mesh chain, a driving roller provided at one end of the circulating mesh chain, and a driven roller provided at the other end. A plurality of vibrating rollers mounted on the frame are arranged between the driving roller and the driven roller within the circulating mesh chain, and the plurality of vibrating rollers are in driving connection with the screening mesh chain conveying device;

[0013] The driving connection device is in driving connection with the auxiliary feeding roller and the screening mesh chain conveying device. When the excavating device moves forward, the bottom side of the auxiliary feeding roller rotates backward, and the screening mesh chain conveying device rotates in the opposite direction to the auxiliary feeding roller.

[0014] Further, the auxiliary feeding roller includes a central cylinder rotatably mounted on the frame, and a plurality of rubber rods are provided on the surface of the central cylinder.

[0015] Further, the excavating device adopts excavating blades, both ends of the excavating blades are connected to the frame, and excavating teeth are provided at the front end of the excavating blades.

[0016] Further, a material blocking arc-shaped plate is arranged within the frame and between the driving connection device and the auxiliary feeding roller, and a material blocking inclined plate is arranged below the material blocking arc-shaped plate between the auxiliary feeding roller and the screening mesh chain conveying device.

[0017] Further, the traveling device includes two rollers installed below the frame, a connecting bridge is arranged between the two rollers, the connecting bridge is hinged to the frame through two connecting rods, a hydraulic cylinder is arranged between each connecting rod and the frame, the telescopic end of the hydraulic cylinder is hinged to the frame, and the fixed end of the hydraulic cylinder is hinged to the connecting rod.

[0018] Further, the vibrating roller includes a rotating shaft rotatably connected to the frame, and a plurality of cams for knocking the circulating mesh chain following the rotation of the rotating shaft are arranged on the rotating shaft.

[0019] Further, a discharging device is also provided at the tail end of the frame and below the discharging end of the screening mesh chain conveying device, and the discharging device adopts a circulating conveying chain.

[0020] Further, the driving connection device includes a gearbox, and the output end of the gearbox includes a first output end and a second output end;

[0021] The first output end is in driving connection with the auxiliary feeding roller, the second output end is in driving connection with the screening mesh chain conveying device, and the auxiliary feeding roller and the screening mesh chain conveying device rotate in opposite directions. The screening mesh chain conveying device is in driving connection with the vibrating roller, and the discharging device is in driving connection with the screening mesh chain conveying device.

[0022] Further, a guide plate is arranged between the discharging end of the screening mesh chain conveying device and the discharging device.

[0023] The beneficial effects of the present utility model compared with the prior art are as follows: The structure of the present utility model is reasonable, and it can effectively handle sundries such as stones and vegetation rhizomes in the loosened soil after wasteland reclamation, improve the screening and impurity removal efficiency of the soil, and improve the efficiency and quality of land reclamation, being applicable to land reclamation work in fields such as agriculture, forestry, and animal husbandry;

[0024] Reasonable structure: The equipment has a compact structure, and the layout of each component is reasonable, facilitating maintenance and operation;

[0025] Efficient screening: Through the combination of a vibration roller and a circulating mesh chain, the equipment can efficiently separate sundries such as stones and rhizomes in the soil, having advantages such as avoiding blockage problems in the conveying of sundries and improving the purity of the soil;

[0026] High degree of automation: Each component of the equipment works in coordination through a drive connection device, reducing manual intervention and improving work efficiency. Description of the Drawings

[0027] Figure 1 is the first three-dimensional schematic diagram of a screening and impurity removal device for loosening soil of the present utility model;

[0028] Figure 2 is the second three-dimensional schematic diagram of a screening and impurity removal device for loosening soil of the present utility model;

[0029] Figure 3 is the internal layout schematic diagram of a screening and impurity removal device for loosening soil of the present utility model;

[0030] Figure 4 is the transmission schematic diagram of the drive connection device with the screening mesh chain conveying device and between the screening mesh chain conveying device and the vibration roller of the present utility model;

[0031] Figure 5 is the transmission schematic diagram of the drive connection device with the auxiliary feeding roller of the present utility model;

[0032] Figure 6 is the transmission schematic diagram of the screening mesh chain conveying device with the discharging device of the present utility model.

[0033] As shown in the figure: 1. Frame; 2. Excavating device; 3. Drive connection device; 4. Screening mesh chain conveying device; 5. Auxiliary feeding roller; 6. Traveling device; 7. Vibration roller; 8. Discharging device; 9. Baffle arc plate; 10. Baffle inclined plate; 11. Guide plate; 12. Right-angle converter; 13. Chain and sprocket assembly;

[0034] 201. Excavating teeth;

[0035] 301. First output end; 302. Second output end; 303. Gearbox;

[0036] 401. Circulating mesh chain; 402. Driving roller; 403. Driven roller;

[0037] 501. Central cylinder; 502. Rubber rod;

[0038] 601. Roller; 602. Connecting bridge; 603. Link rod; 604. Hydraulic cylinder;

[0039] 701. Rotating shaft; 702. Cam. Specific embodiments

[0040] 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", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 should not be construed as a limitation to the present utility model.

[0041] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0042] In the description of the embodiments of the present utility model, if a certain feature is referred to as "arranged", "fixed", "connected", "installed" on another feature, it can be directly arranged, fixed, connected, installed on another feature, or indirectly arranged, fixed, connected, installed on another feature.

[0043] In the description of the embodiments of the present utility model, if it involves "several", its meaning is more than one; if it involves "a plurality of", its meaning is more than two; if it involves "greater than", "less than", "exceeding", it should be understood as not including the present number; if it involves "above", "below", "within", it should be understood as including the present number. If it involves "first" and "second", it should be understood as used to distinguish technical features and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0044] The following takes a screening and impurity removing device for loosening soil in the embodiments of the present utility model as an example for description.

[0045] As shown Figure 1 and 2 shown, a screening and impurity removing device for loosening soil includes a frame 1, an excavation device 2, a driving connection device 3, a screening mesh chain conveying device 4, an auxiliary feeding roller 5 and a traveling device 6;

[0046] The driving connection device 3 is located at the top of the front end of the frame 1, the excavation device 2 is located at the bottom side of the front end of the frame 1 and below the driving connection device 3, the screening mesh chain conveying device 4 is located inside the frame 1, the traveling device 6 is located at the bottom of the frame 1, and the auxiliary feeding roller 5 is arranged between the excavation device 2 and the screening mesh chain conveying device 4 and above the excavation device 2;

[0047] As shown Figure 3 shown, the screening mesh chain conveying device 4 includes a circulating mesh chain 401, a driving roller 402 arranged at one end of the circulating mesh chain 401 and a driven roller 403 arranged at the other end. Both ends of the driving roller 402 and the driven roller 403 can be installed on the frame 1 through bearing seats. Inside the circulating mesh chain 401 and between the driving roller 402 and the driven roller 403, a number of vibrating rollers 7 installed on the frame 1 are provided, and the number of the vibrating rollers 7 is in transmission connection with the screening mesh chain conveying device 4.

[0048] As a preferred embodiment of this embodiment, as Figure 3 shown, the auxiliary feeding roller 5 includes a central cylinder 501 rotatably installed on the frame 1, and a number of rubber rods 502 are arranged on the surface of the central cylinder 501. The rubber rods 502 are elastic rods.

[0049] As a preferred embodiment of this embodiment, as Figure 1 shown, the excavation device 2 adopts excavation pieces, both ends of the excavation pieces are connected to the frame 1, and excavation teeth 201 are arranged at the front end of the excavation pieces, which is beneficial to the excavation of the equipment when moving forward.

[0050] As a preferred embodiment of this embodiment, as Figure 3 shown, a material blocking arc plate 9 is arranged inside the frame 1 and between the driving connection device 3 and the auxiliary feeding roller 5. A material blocking inclined plate 10 is arranged below the material blocking arc plate 9 and between the auxiliary feeding roller 5 and the screening mesh chain conveying device 4. The arrangement of the material blocking arc plate 9 and the material blocking inclined plate 10 prevents the auxiliary feeding roller 5 from spinning out the carried objects from above;

[0051] A guide plate 11 is arranged between the discharging end of the screening mesh chain conveying device 4 and the discharging device 8, which has the function of auxiliary guiding and smoothly falls onto the discharging device 8.

[0052] As a preferred embodiment of this embodiment, as Figure 2As shown in the figure, the walking device 6 includes two rollers 601 installed below the frame 1. A connecting bridge 602 is provided between the two rollers 601. The connecting bridge 602 is hinged to the frame 1 through two connecting rods 603. A hydraulic cylinder 604 is provided between each connecting rod 603 and the frame 1. The telescopic end of the hydraulic cylinder 604 is hinged to the frame 1, and the fixed end of the hydraulic cylinder 604 is hinged to the connecting rod 603. The height position of the front end of the excavating device 2, i.e., the whole machine, can be adjusted by using the hydraulic cylinder 604.

[0053] As a preferred implementation of this embodiment, as Figure 3 shown in the figure, the vibrating roller 7 includes a rotating shaft 701 rotatably connected to the frame 1. A plurality of cams 702 for knocking on the circulating mesh chain 601 as the rotating shaft 701 rotates are provided on the rotating shaft 701. The rotating shaft 701 can be rotatably connected to the frame through a bearing seat. The cams 702 knock on the circulating mesh chain to form a vibrating effect.

[0054] As a preferred implementation of this embodiment, as Figure 1 shown in the figure, the drive connection device 3 includes a gearbox 303. The output end of the gearbox 303 includes a first output end 301 and a second output end 302;

[0055] As Figure 5 shown in the figure, the first output end 301 is connected to the auxiliary feeding roller 5 through belt drive;

[0056] As Figure 3 and Figure 4 shown in the figure, a transmission connection is achieved between the second output end 302 and the screening mesh chain conveying device 4 through a chain and sprocket assembly 13 and a belt transmission, and the rotating directions of the auxiliary feeding roller 5 and the screening mesh chain conveying device 4 are opposite. For example, Figure 3 as shown in the figure, the auxiliary feeding roller 5 rotates counterclockwise, and the screening mesh chain conveying device 4 rotates clockwise;

[0057] As shown in 1 and Figure 4 shown in the figure, one end of the passive roller 403 of the screening mesh chain conveying device 4 is connected to the vibrating roller 7 through belt drive,

[0058] As shown in 5 and Figure 6 shown in the figure, the discharging device 8 is in transmission connection with the screening mesh chain conveying device 4. The discharging device 8 is arranged at the tail end of the frame 1 and below the discharging end of the screening mesh chain conveying device 4. The discharging device 8 adopts a circulating conveying chain, and the passive roller 403 is in transmission connection with the circulating conveying chain through an existing right-angle converter 12.

[0059] When the present utility model is specifically used, an existing tractor can be arranged at the front end of the frame 1. An existing tractor hitch is configured between the tractor and the frame 1, and the power output end of the tractor is in transmission connection with the gearbox 303. Moreover, the structure of the tractor hitch and the transmission structure between the power output end of the tractor and the gearbox 303 are set according to actual requirements and shall not affect the change of the height position at the front end of the frame.

[0060] The working process of the present utility model:

[0061] S1. Excavating soil: The whole machine moves forward, and the digging teeth 201 at the front end of the excavating device 2 penetrate into the soil to dig up the soil together with sundries such as stones and vegetation roots in it.

[0062] S2. Assisting in feeding and vibrating screening: The excavated soil and sundries are conveyed to the screening mesh chain conveying device 4 under the action of the auxiliary feeding roller 5 in combination with the material blocking arc plate 9 and the material blocking inclined plate 10.

[0063] After the soil and sundries enter the screening mesh chain conveying device 4, the circulating mesh chain 401 rotates clockwise under the drive of the driving roller 402 and the driven roller 403. The vibrating roller 7 knocks on the circulating mesh chain 401 through the cam 702, so that the soil vibrates continuously during the conveying process. The fine soil falls through the gaps of the mesh chain, while large sundries such as stones and roots are left on the mesh chain and continue to be conveyed.

[0064] S3. Discharging sundries: The screened sundries move to the tail end of the equipment along with the circulating mesh chain 401, fall into the discharging device 8 through the guide plate 11, and the sundries are conveyed to a centralized treatment position on one side of the collection; the screened fine soil falls through the gaps of the mesh chain and can be directly used for subsequent land leveling or planting.

[0065] The entire working process has a high degree of automation. The equipment coordinates the operation of each component through the drive connection device 3, reduces manual intervention, and improves the efficiency of wasteland reclamation and the quality of soil treatment.

[0066] The above describes the present utility model and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the creative purpose of the present utility model, design similar structural manners and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A soil screening and impurity removal device, characterized in that: It includes a frame, a digging device, a driving connection device, a screening chain conveying device, an auxiliary feeding roller and a walking device; The driving connection device is located at the top of the front end of the frame, the digging device is located at the bottom side of the front end of the frame and below the driving connection device, the screening chain conveying device is located inside the frame, the walking device is located at the bottom of the frame, and the auxiliary feeding roller is provided between the digging device and the screening chain conveying device and above the digging device; The screening chain conveyor device comprises a circulating chain, a driving roller arranged at one end of the circulating chain and a passive roller arranged at the other end, a plurality of vibrating rollers installed on a frame are arranged in the circulating chain and between the driving roller and the passive roller, and the plurality of vibrating rollers are drivingly connected to the screening chain conveyor device; The driving connection device is transmission-connected with the auxiliary feeding roller and the screening chain conveying device. When the excavating device moves forward, the bottom side of the auxiliary feeding roller rotates backward, and the rotation direction of the screening chain conveying device is opposite to that of the auxiliary feeding roller.

2. The soil loosening and impurity removal device according to claim 1 is characterized in that: The auxiliary feeding roller comprises a central cylinder rotatably mounted on a frame, and a plurality of rubber rods are arranged on the surface of the central cylinder.

3. The soil loosening and impurity removal device according to claim 1 is characterized in that: The excavating device adopts an excavating piece, both ends of which are connected to a frame, and the front end of the excavating piece is provided with an excavating tooth.

4. The soil loosening and impurity removal device according to claim 1, characterized in that: A material-blocking arc plate is provided in the frame and between the driving connection device and the auxiliary feeding roller, and a material-blocking inclined plate is provided on the lower side of the material-blocking arc plate and between the auxiliary feeding roller and the screening mesh chain conveying device.

5. The soil loosening and impurity removal device according to claim 1, characterized in that: The walking device includes two rollers installed under the frame, a connecting bridge is provided between the two rollers, the connecting bridge is hinged to the frame through two connecting rods, a hydraulic cylinder is provided between each connecting rod and the frame, the telescopic end of the hydraulic cylinder is hinged to the frame, and the fixed end of the hydraulic cylinder is hinged to the connecting rod.

6. The soil loosening and impurity removal device according to claim 1, characterized in that: The vibration roller comprises a rotating shaft rotatably connected to a frame, and the rotating shaft is provided with a plurality of cams for following the rotation of the rotating shaft and knocking the circulating mesh chain.

7. The soil loosening and impurity removal device according to claim 1, characterized in that: It also includes a discharge device arranged at the rear end of the frame and arranged below the unloading end of the screening chain conveying device, and the discharge device adopts a circulating conveying chain.

8. The soil loosening and impurity removal device according to claim 7, characterized in that: The drive connection device includes a gearbox, and the output end of the gearbox includes a first output end and a second output end; The first output end is transmission connected to the auxiliary feeding roller, the second output end is transmission connected to the screening chain conveyor, and the auxiliary feeding roller and the screening chain conveyor rotate in opposite directions, the screening chain conveyor is transmission connected to the vibration roller, and the unloading device is transmission connected to the screening chain conveyor.

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