CN213887033U

CN213887033U - Soil screening machine

Info

Publication number: CN213887033U
Application number: CN202022935268.8U
Authority: CN
Inventors: 张博峰; 杨洋; 刘彤; 李辉; 郭正文
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Shanghai Baoye Group Corp Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-06
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a soil screening machine, which comprises a rotating shaft, a first bracket and a second bracket which are arranged at the two ends of the rotating shaft, and a power mechanism which drives the rotating shaft to rotate; the rotating shaft is provided with a plurality of groups of guide rod impellers at preset intervals; any guide rod impeller comprises a plurality of guide rods extending along the radial direction of the rotating shaft and an annular rim connected with the tail ends of all the guide rods, and the periphery of the annular rim covers a screen to form a screen cylinder. The utility model provides a soil screening machine can improve soil screening efficiency, and simple structure, and the convenience is dismantled when straining a section of thick bamboo and is maintained.

Description

Soil screening machine

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to soil screening machine.

Background

The hydraulic spray seeding is a process of mixing soil with humus soil, organic fertilizer, grass wood chips, water-retaining agent, plant fiber, adhesive and the like to form artificial soil, adding various grass seeds and shrub seeds into the artificial soil, mixing the grass seeds and the shrub seeds together, and then spraying the mixture onto a slope surface by using a hydraulic spray seeding machine. The artificial soil is tightly combined with the slope surface under the action of the jet pressure to form a matrix layer which has the advantages of rain water and wind erosion resistance, firmness, ventilation, porous and stable soil structure and can be used for plant growth and development.

The hydraulic spray seeding is mainly applied to slope greening, and soil required by greening is transported from a project site or other places. In order to mix existing soil with other mixtures to make artificial soil suitable for use in hydraulic seed-spraying machines, the existing soil needs to be screened. Because the soil is compared with sand and stone, viscosity is big, easily the caking, and the mode of artifical sieve soil is still being used at present in many job sites, and the sieve soil is efficient. In order to improve the soil screening efficiency, a vibrating screen is arranged on the market, but a vibrating unit is required to be arranged, the structure is complex, and faults are easy to occur.

Therefore, how to improve the soil screening efficiency and simplify the structure of the soil screening machine becomes a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soil screening machine, this soil screening machine can promote sieve native efficiency and simple structure, and it is convenient to maintain.

In order to achieve the purpose, the utility model provides a soil screening machine, which comprises a rotating shaft, a first bracket and a second bracket which are arranged at two ends of the rotating shaft, and a power mechanism which drives the rotating shaft to rotate; the rotating shaft is provided with a plurality of groups of guide rod impellers at preset intervals; any guide rod impeller comprises a plurality of guide rods extending along the radial direction of the rotating shaft and an annular rim connected with the tail ends of all the guide rods, and the periphery of the annular rim covers a screen to form a screen cylinder.

Optionally, the screen and the annular rim are connected by bolts.

Optionally, the first bracket is disposed higher than the second bracket.

Optionally, the axis of rotation is disposed inclined at 35 °.

Optionally, a hopper is arranged above the first support, and a discharge port of the hopper extends into a feed port of the screen drum in an inclined manner.

Optionally, a material collecting groove is arranged below the discharge hole of the screen cylinder, and the material collecting groove is obliquely and downwards arranged towards the direction far away from the screen cylinder.

Optionally, the power mechanism includes a driving motor and a speed reducer connected to the driving motor.

Optionally, a universal coupling is connected between the output shaft of the speed reducer and the rotating shaft.

Optionally, at least one side of the first support is provided with a pedestrian ladder.

Optionally, the first support and/or the second support is a lifting support.

Compared with the prior art, the utility model provides a soil screening machine includes rotation axis, first support, second support and power unit. The first support and the second support are supported at two ends of a rotating shaft, a plurality of guide rod impellers are arranged on the rotating shaft at preset intervals, each guide rod impeller comprises a material guide rod and an annular flange connected to the tail end of the material guide rod, and a screen is mounted on the periphery of the annular flange to form a screen cylinder. Through carrying soil to the feed inlet of a sieve section of thick bamboo, power unit drives the rotation axis rotation, and rotation axis guide arm impeller and a sieve section of thick bamboo synchronous revolution accord with the fine soil that the spray-seeding machine used and from the lateral wall undersize of a sieve section of thick bamboo, unsatisfied operation requirement's coarse soil is discharged from the discharge gate of a sieve section of thick bamboo. The guide rod of the guide rod impeller plays a role in crushing soil and reducing mutual adhesion of the soil in the rotating process; the sieve drum formed by matching the annular rim of the guide rod impeller and the sieve mesh is simple in structure and convenient to disassemble and maintain when the filter drum is blocked.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a front view of a soil screening machine provided in an embodiment of the present invention;

fig. 2 is a side view of a soil screening machine according to an embodiment of the present invention;

fig. 3 is a top view of a soil screening machine according to an embodiment of the present invention.

Wherein:

the device comprises a first support 1, a second support 2, a bearing seat 3, a rotating shaft 4, a material guide rod 5, an annular wheel rim 6, a second support 7, a screen drum 7, a bolt 71, a material collecting groove 72, a universal coupling 8, a speed reducer 9, a driving motor 10, a pedestrian ladder 11 and a hopper 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a front view of a soil screening machine according to an embodiment of the present invention, fig. 2 is a side view of the soil screening machine according to an embodiment of the present invention, and fig. 3 is a top view of the soil screening machine according to an embodiment of the present invention.

The utility model provides a soil screening machine includes rotation axis 3, supports respectively at the first support 1 and the second support 6 at 3 both ends of rotation axis and sets up at 3 week portion's of rotation axis a sieve section of thick bamboo 7, still including being used for driving the rotatory power unit of rotation axis 3. The rotating shaft 3 is provided with a plurality of guide rod impellers at preset intervals, the guide rod impellers comprise guide rods 4 and annular flanges 5, the guide rods 4 extend along the outer diameter direction of the rotating shaft 3 and are uniformly distributed along the circumferential direction of the rotating shaft 3, and the annular flanges 5 are connected with the tail ends of the guide rods 4 and are supported by the guide rods 4.

The screen drum 7 is composed of a plurality of annular rims 5 and a screen, and the screen drum 7 (screen) is convenient to clean and maintain. At the soil in-process of getting of sieve, power unit drive rotation axis 3, guide rod 4 follows rotation axis 3 rotatoryly, and the soil that bonds together stops at the downside of a sieve section of thick bamboo 7 because the action of gravity, and guide rod 4 can carry out broken separation with the soil that bonds, has improved sieve soil efficiency.

In a specific embodiment provided by the present invention, the screen cylinder 7 and the rotating shaft 3 of the soil screening machine are disposed in an inclined manner, that is, the height of the first bracket 1 is greater than that of the second bracket 6; the angle between the axis of rotation 3 and the horizontal is generally maintained between 30 ° and 50 °, preferably 35 °. Bearing frame 2 is fixed with on first support 1 and the second support 6, is equipped with the bearing in the bearing frame 2, and the both ends of rotation axis 3 are fixed in the top of first support 1 and second support 6 through the bearing respectively. One end of the screen drum 7 close to the first support 1 is used as a feeding hole, and one end of the screen drum 7 close to the second support 6 is used as a discharging hole. Hopper 12 is still fixed with above first support 1, and the opening of hopper 12 sets up, and the discharge gate slope of hopper 12 extends to in the feed inlet of a sieve section of thick bamboo 7.

In order to optimize the above embodiment, the pedestrian ladder 11 is further arranged on one side or two sides of the first support 1, so that the hopper 12 can be conveniently cleaned by climbing to the upper side of the first support 1 through the pedestrian ladder 11, and the blockage of the hopper 12 is avoided.

In the present embodiment, the guide rod impellers are provided in three groups, and the three groups of guide rod impellers are arranged at equal intervals in the axial direction of the rotating shaft 3. Each set of guide rod impellers typically comprises three equally long guide rods 4 and an annular rim 5 connected to the ends of the three guide rods 4. The three guide rods 4 extend along the outer diameter of the rotating shaft 3, and the included angles between the adjacent guide rods 4 of the same guide rod impeller are all 120 degrees. The screen cylinder 7 is formed by covering the screen on the periphery of the plurality of sets of annular rims 5, and the screen is detachably fixed on the annular rims 5 by the annular rims 5 and the bolts 71, so that the convenience of maintenance of the screen cylinder 7 is improved. The mesh size of the screen is generally about 1cm x 1cm, which satisfies that the soil used by the spraying and seeding machine is screened out from the mesh holes at the bottom side of the screen cylinder 7, and the screened coarse soil is discharged from the discharge hole of the screen cylinder 7 close to the second bracket 6.

It can be understood that the guide rods 4 are not limited to three, the guide rod impellers are not limited to three groups, the number of the guide rod impellers can be flexibly set according to the length setting requirement of the screen drum 7, the guide rods 4 of the same guide rod impeller can be set to be more, if the guide rods are set to be four, the included angle between every two adjacent guide rods 4 is 90 degrees, and the like.

Further, the bottom of the discharge hole of the screen drum 7 is also provided with a material collecting groove 72, and the material collecting groove 72 is used for receiving the coarse soil discharged from the discharge hole of the screen drum 7. The trough 72 is arranged downwards towards the direction away from the screen drum 7 in an inclined manner, so that under the action of gravity, the coarse soil is discharged from the screen drum 7, and the coarse soil is prevented from splashing and is mixed with the fine soil below the screen drum 7 when the screen drum 7 directly discharges the coarse soil.

The power mechanism specifically comprises a driving motor 10 and a speed reducer 9 connected with a driving device, an output shaft of the speed reducer 9 is connected with the rotating shaft 3 through a coupler, and the rotating shaft 3 and the screen drum 7 can run more stably and reliably through the arrangement of the speed reducer 9.

In a preferred embodiment of the present invention, at least one of the first support 1 and the second support 6 may be a lifting support, that is, the included angle between the screen cylinder 7 and the rotating shaft 3 may be changed by adjusting the lifting of the first support 1 or the second support 6. The screen height of the screen cylinder 7 can also be changed by adjusting the first bracket 1 and the second bracket 6 simultaneously.

Correspondingly, the coupling connected between the rotating shaft 3 and the output shaft of the speed reducer 9 is specifically a universal coupling 8. The universal coupling 8 has various structural forms, such as a cross shaft type, a ball cage type, a ball fork type, a convex block type, a hinge rod type and the like, and the most common cross shaft type is adopted for connecting the speed reducer 9 and the rotating shaft 3 in the application. The characteristic that the angular compensation amount of the universal coupling 8 is large (generally, the two shafts are not on the same axis between 5 degrees and 45 degrees, the two connected shafts can continuously rotate under the condition that the included angle of the axes exists, and the torque and the motion can be reliably transmitted) is utilized, and the stable transmission of the torque between the rotating shaft 3 and the output shaft of the speed reducer 9 is ensured when the inclination angle of the screen drum 7 is adjusted.

The utility model provides a soil screening machine has simple structure, easily dismouting, maintains advantages such as convenient and screening efficiency height. The method can be used in the road slope greening construction process, the construction efficiency is improved, and the construction cost is saved. The side slope hydraulic spray seeding and greening system for mountain wind power projects or other high-slope projects also has good practicability, the power mechanisms such as the driving motor 10 and the speed reducer 9 and the transmission mechanism are utilized to drive the sieve drum 7 with a set inclination angle to rotate, so that soil entering the sieve drum 7 rotates in the sieve drum 7, finished soil (fine soil) and waste (coarse soil) are separated through sieve pores with set sizes, and the materials are discharged through different outlets.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The soil screening machine provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The soil screening machine is characterized by comprising a rotating shaft (3), a first support (1) and a second support (6) which are arranged at two ends of the rotating shaft (3), and a power mechanism for driving the rotating shaft (3) to rotate; a plurality of groups of guide rod impellers are arranged on the rotating shaft (3) at preset intervals; any guide rod impeller comprises a plurality of guide rods (4) extending along the outer diameter of the rotating shaft (3) and an annular rim (5) connecting the tail ends of all the guide rods (4), and the periphery of the annular rim (5) is coated with a screen to form a screen cylinder (7).

2. The soil screening machine of claim 1, wherein the screen mesh and the annular rim (5) are connected by bolts (71).

3. The soil screening machine according to claim 1, characterized in that the first bracket (1) is arranged higher than the second bracket (6).

4. A soil screening machine according to claim 3, characterized in that the rotation axis (3) is arranged inclined by 35 °.

5. The soil screening machine of claim 1, wherein a hopper (12) is arranged above the first bracket (1), and a discharge port of the hopper (12) extends obliquely into a feed port of the screen drum (7).

6. The soil screening machine of claim 1, wherein a material collecting groove (72) is arranged below the discharge port of the screen drum (7), and the material collecting groove (72) is obliquely and downwards arranged towards a direction far away from the screen drum (7).

7. The soil screening machine of any one of claims 1 to 6, wherein said power mechanism comprises a drive motor (10) and a reducer (9) connected to said drive motor (10).

8. The soil screening machine according to claim 7, characterized in that a universal coupling (8) is connected between the output shaft of the reducer (9) and the rotating shaft (3).

9. A soil screening machine according to claim 7, characterized in that at least one side of the first support (1) is provided with a pedestrian ladder (11).

10. The soil screening machine of claim 8, characterized in that the first bracket (1) and/or the second bracket (6) is a lifting bracket.