CN215744680U

CN215744680U - Building site sand screening device that prevents dust

Info

Publication number: CN215744680U
Application number: CN202120834051.XU
Authority: CN
Inventors: 祝金鹏; 朱涵智; 董怀贤; 陈少龙; 吴江; 张金鼎; 张冬冬; 刘宝安; 乔元亮; 赵海峰; 张汝超
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-02-08
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a dustproof sand screening device for a construction site, which comprises a feed hopper, a dustproof cover, a machine body and a base, wherein the feed hopper is arranged on the machine body; the feed hopper is connected with the dustproof cover; the dustproof cover is provided with a handle, the handle is positioned at the other end of the dustproof cover opposite to the feed hopper, and the dustproof cover can be taken down; the machine body is positioned below the dust cover, four upper spring seats are connected to two side walls of the machine body, the upper spring seats are connected to a damping spring, the lower part of the damping spring is connected to supporting legs, the bottom of the machine body is connected to a force guide plate, a motor base is connected to the lower part of the force guide plate, an upper discharge hopper, a middle discharge hopper and a lower discharge hopper are arranged at the front end of the machine body from top to bottom, open outlets of the three discharge hoppers are arranged in a staggered mode, two layers of screen frames with the same layer height are hung in the machine body, a dust collection hose is connected to the outer wall of the machine body, close to an upper discharge port, and the other end of the dust collection hose is connected with a dust collector; the supporting legs are fixed on the periphery of the base, and the dust collector is located on the base.

Description

Building site sand screening device that prevents dust

Technical Field

The utility model belongs to the field of building construction equipment, and particularly relates to a dustproof sand screening device for a building site.

Background

In the building site, in order to satisfy different construction process demands, need carry out hierarchical screening to grit, at present mainly adopt linear shale shaker to sieve the grit, but because city environmental protection requirement, need be to its raise dust that sprays water in order to reduce the transportation in the transportation, because water can make the grit bond together, often can block up the screen cloth of linear shale shaker, cause not the ejection of compact and cause equipment overload and damage even, the grit that does not have in addition watered receives the vibration of linear shale shaker and can produce a large amount of raise dusts, the polluted air in the air is wafted to the discharge gate through the discharge gate at last.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dustproof sand screening device for a construction site, which can overcome the defects in the prior art, is improved on the basis of the conventional linear vibrating screen, adopts a crushing paddle to reduce the adhesion of sand and stone materials, fully disperses the sand and stone materials and reduces the blockage of a screen; the dust collector is adopted to reduce the raised dust at the screening end point, the raised dust is absorbed and recovered, and the environmental pollution caused by screening is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a dustproof sand screening device for a construction site comprises a feed hopper, a dustproof cover, a machine body and a base; the feed hopper is connected with the dustproof cover and is positioned at the tail end of the dustproof cover; the dustproof cover is provided with a handle, the handle is positioned at the other end of the dustproof cover opposite to the feed hopper, and the dustproof cover can be taken down; the machine body is positioned below the dustproof cover, four upper spring seats are connected to two side walls of the machine body, the upper spring seats are connected to a damping spring, the lower part of the damping spring is connected to supporting legs, the bottom of the machine body is connected to a force guide plate, 4 motor bases are connected to the lower part of the force guide plate, 1 vibration motor is connected to 2 motor bases, an upper discharge hopper, a middle discharge hopper and a lower discharge hopper are arranged at the front end of the machine body from top to bottom, open outlets of the three discharge hoppers are arranged in a staggered manner, two layers of screen frames with the same layer height are hung in the machine body, a dust collection hose is connected to the outer wall of the machine body, close to the upper discharge port, and a dust collector is connected to the other end of the dust collection hose; 4 landing legs are fixed with around the base, the dust catcher is located the base.

Preferably, among the above-mentioned technical scheme, feeder hopper external connection has the protection casing, the inside crushing motor that is equipped with of protection casing, crushing motor connects crushing oar, crushing oar is located the feeder hopper middle part.

Preferably, in the above technical scheme, the dust cap is provided with a bayonet which can be tightly connected with the machine body.

Preferably, in the above technical solution, the force guiding plate encloses a tetrahedron.

Preferably, in the above technical solution, the screen frame is a square frame, a screen is fixed on the screen frame, the upper and lower screens have different meshes, and the mesh of the upper layer is smaller than that of the lower layer.

Preferably, in the above technical solution, the pulverizing motor, the vibration motor and the dust collector are respectively provided with a power cord.

Compared with the prior art, the utility model has the beneficial effects that: firstly, the structure is simple, the improvement is carried out on the basis of the original linear oscillating screen, and the realization is easy; secondly, the wet sand stones are uniformly dispersed by the crushing paddle, so that caking is reduced, and the screening rate is improved; thirdly, the dust collector enables dust generated by vibration to be absorbed and recycled, so that discharged dust in the discharge hole is reduced, and dust pollution is reduced.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

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

FIG. 1 is a schematic view of the dust screen of the present invention;

FIG. 2 is a schematic view of a long axis of the dust-proof screening machine of the present invention;

FIG. 3 is a schematic view of a short axis of the dust-proof screening machine of the present invention.

In the figure: 1. the device comprises a feed hopper, 2, a machine body, 3, a protective cover, 4, a dustproof cover, 5, an upper spring seat, 6, a damping spring, 7, a screen frame, 8, a vibration motor, 9, a force guide plate, 10, supporting legs, 11, a dust collector, 12, a dust collection hose, 13, an upper discharge hopper, 14, a middle discharge hopper, 15, a lower discharge hopper, 16, a handle, 17, a motor seat, 18, a crushing paddle, 19, a crushing motor, 20 and a screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1, the present invention provides a technical solution: a dustproof sand screening device for a construction site comprises a feed hopper 1, a dustproof cover 4, a machine body 2 and a base; the feeding hopper 1 is connected with the dustproof cover 4 and positioned at the tail end of the dustproof cover 4, the protective cover 3 is connected to the outside of the feeding hopper 1, a crushing motor 19 is arranged inside the protective cover 3, the crushing motor 19 is connected with a crushing paddle 18, and the crushing paddle 18 is positioned in the middle of the feeding hopper 1; the dustproof cover 4 is provided with a handle 16, the dustproof cover 4 is provided with a bayonet which can be tightly connected with the machine body 2, the handle 16 is positioned at the other end of the dustproof cover 4 opposite to the feed hopper 1, and the dustproof cover 4 can be taken down; the machine body 2 is positioned below the dustproof cover 4, four upper spring seats 5 are connected to two side walls of the machine body, the upper spring seats 5 are connected to a damping spring 6, the lower part of the damping spring 6 is connected to a supporting leg 10, the bottom of the machine body 2 is connected to a force guide plate 9, the force guide plate 9 is enclosed into a tetrahedral shape, 4 motor bases 17 are connected to the lower part of the

force guide plate

9, 1 vibration motor 8 is connected to the 2 motor bases 17, an upper discharge hopper 13, a middle discharge hopper 14 and a lower discharge hopper 15 are arranged at the front end of the machine body 2 from top to bottom, the open outlets of the three discharge hoppers are arranged in a staggered manner, two layers of screen frames 7 with the same layer height are arranged on the inner wall frame of the machine body 2, the screen frames 7 are in a square frame shape, a screen 20 is fixed on the screen frames, the upper screen 20 and the lower screen 20 are different in mesh number, the upper mesh is smaller than the lower mesh number, a dust collection hose 12 is connected to the outer wall of the machine body 2 close to the upper discharge port, the other end of the dust collection hose 12 is connected with a dust collector 11; the base is fixed with 4 landing legs 10 all around, dust catcher 11 is located the base. The crushing motor 19, the vibration motor 8 and the dust collector 11 are respectively provided with a power cord.

Before use, the screen frame 7 is taken out, the screen 20 with 10 meshes and the screen 20 with 20 meshes are respectively fixed, the screen 20 is clamped in a gap of the screen frame 7, the handle 16 is held, the dustproof cover 4 is opened, the screen 20 with 20 meshes and the screen frame 7 are placed at the fixed screen frame 7 at the lower part in the machine body 2, the screen 20 with 10 meshes and the screen frame 7 are placed at the fixed screen frame 7 at the upper part in the machine body 2, the dustproof cover 4 is covered, the crushing motor 19, the vibrating motor 8 and the dust collector 11 are powered on, the crushing paddle 18 rotates, the machine body 2 vibrates, and the dust collector 11 starts to collect dust. The material is put into from the feed inlet, and the material is sieved into 3 through screen cloth 20, flows out from upper discharge hopper 13, well hopper 14 and lower hopper 15 respectively, receives with the instrument and accomplishes the screening promptly, and the dust is absorbed by dust catcher 11, unpacks dust catcher 11 apart after the screening finishes and retrieves the dust or scrap the processing can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building site sand screening device that prevents dust, includes feeder hopper (1), shield (4), fuselage (2) and base, its characterized in that: the feed hopper (1) is connected with the dustproof cover (4) and is positioned at the tail end of the dustproof cover (4); a handle (16) is arranged on the dustproof cover (4), the handle (16) is positioned at the other end of the dustproof cover (4) opposite to the feed hopper (1), and the dustproof cover (4) can be taken down; the machine body (2) is positioned below the dustproof cover (4), four upper spring seats (5) are connected on two side walls, the upper spring seat is connected with a damping spring (6), the lower part of the damping spring (6) is connected with a supporting leg (10), the bottom of the machine body (2) is connected with a force guide plate (9), 4 motor bases (17) are connected below the force guide plate (9), the 2 motor bases (17) are connected with 1 vibration motor (8), the front end of the machine body (2) is provided with an upper discharge hopper (13), a middle discharge hopper (14) and a lower discharge hopper (15) from top to bottom, the open outlets of the three discharging hoppers are arranged in a staggered way, two layers of screen frames (7) with the same layer height are arranged on the inner wall of the machine body (2), the outer wall of the machine body (2) close to the upper discharge hole is connected with a dust collection hose (12), and the other end of the dust collection hose (12) is connected with a dust collector (11); 4 supporting legs (10) are fixed on the periphery of the base, and the dust collector (11) is located on the base.

2. The building site dust and sand screening device of claim 1, wherein: feeder hopper (1) external connection has protection casing (3), inside crushing motor (19) that is equipped with of protection casing (3), crushing oar (18) is connected in crushing motor (19), crushing oar (18) are located feeder hopper (1) middle part.

3. The building site dust and sand screening device of claim 1, wherein: the dustproof cover (4) is provided with a bayonet which can be tightly connected with the machine body (2).

4. The building site dust and sand screening device of claim 1, wherein: the force guide plate (9) encloses a tetrahedron.

5. The building site dust and sand screening device of claim 1, wherein: the screen frame (7) is in a square frame shape, a screen (20) is fixed on the screen frame, the mesh number of the upper screen and the lower screen (20) is different, and the mesh number of the upper layer is smaller than that of the lower layer.

6. The building site dust and sand screening device of claim 1, wherein: the crushing motor (19), the vibration motor (8) and the dust collector (11) are respectively provided with a power cord.