CN219483325U - Sand and stone screening device - Google Patents

Abstract

The utility model discloses a sand screening device which comprises a frame and a roller screen, wherein wheels are arranged at the bottom of the frame, two first supports are symmetrically arranged at the left and right ends of the frame, gears are rotatably arranged on the first supports, a ring gear is arranged on the outer circumference of the front end of the roller screen, the roller screen is meshed with the two gears through the ring gear, any one of the two gears is driven by a motor, two second supports are symmetrically arranged at the left and right ends of the frame, rollers are rotatably arranged on the second supports, the rear end of the roller screen is in rolling connection with the two rollers, electric supporting legs are arranged at the front end or the rear end of the frame, an annular reinforcing plate and a convex block are arranged in the middle of the roller screen, an upright rod is arranged on the side face of the frame, a beating rod is hinged at the top of the upright rod, the front end of the beating rod is abutted to the outer side of the annular reinforcing plate, and the beating rod is connected with the upright rod through a spring. The utility model has lower noise, the whole inner wall of the rotary screen is a screen mesh, the filtering effect is better, and the working efficiency is higher.

Description

Sand and stone screening device

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a sand and stone screening device.

Background

In the building construction process, building raw materials such as cement, sand, steel bars and concrete are needed, the quality of the needed sand is different in order to meet different construction requirements, sand is needed to be screened by a sand screening device in order to obtain the sand with higher quality, sand with unqualified volume is removed, but the existing sand screening device screens by means of a vibrating motor mostly when the sand is screened, the vibration amplitude of the whole device is larger, the noise is further larger, the screening efficiency is lower, the screen mesh of the sand screening device can be clamped by sand in the long-time use process, and the filtering efficiency is affected.

Disclosure of Invention

Therefore, the utility model aims at overcoming the defects of the prior art, and provides the sand screening device which has smaller noise compared with a vibration motor, and the whole inner wall of the rotary screen is a screen mesh, so that the filtering effect is better, and the working efficiency is higher.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a grit screening plant, including frame and drum sieve, the frame bottom is provided with the wheel, the front end bilateral symmetry of frame is provided with two support first, and all rotate on two support first and be provided with the gear, be provided with ring gear on the front end outer circumference of drum sieve, the drum sieve meshes with two gears through ring gear, any one of two gears passes through motor drive, the rear end bilateral symmetry of frame is provided with two support second, and all rotate on two support second and be provided with the gyro wheel, the rear end and the two gyro wheels roll connection of drum sieve, the front end or the rear end of frame are provided with electric supporting leg, drum sieve middle part is provided with annular reinforcing plate, the annular reinforcing plate outside is provided with a plurality of lugs in the circumferencial direction, the frame side is provided with the pole setting, the pole setting top articulates there is the beating pole, beating pole front end supports to annular reinforcing plate outside, still through spring coupling between beating pole and the pole setting.

Further, a hole is formed in the middle of the frame, and an inclined block inclined to the hole is arranged on the inner wall of the hole.

Further, the roller is a rubber roller.

Further, a first limiting ring is arranged on the outer circumference of the front end of the rotary screen, the front end face of the first limiting ring is attached to the rear end faces of the two gears, a second limiting ring is arranged on the outer circumference of the rear end of the rotary screen, and the rear end face of the second limiting ring is attached to the front end faces of the two rollers.

Further, a pull ring is arranged at the front end or the rear end of the frame.

Further, two electric supporting legs are symmetrically arranged left and right.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the rotary screen is arranged on the frame, sand screening work is carried out by driving the rotary screen to rotate, compared with a vibration motor, noise is smaller, the whole inner wall of the rotary screen is a screen, the filtering effect is better, the working efficiency is higher, the front end or the rear end of the frame is provided with the electric supporting legs, the rotary screen on the frame is changed into an inclined state by controlling the electric supporting legs to extend downwards and support the ground, sand entering the rotary screen gradually moves to the bottom in the rotating process and finishes screening work, and the screening speed can be adjusted by controlling the rotating speed of the rotary screen and the extending height of the electric supporting legs. Through setting up pole setting and beating the pole at the frame side and clapping the drum sieve, make the grit of card on drum sieve mesh drop, improve filtration efficiency.

2. The hole has been seted up at the frame middle part, and the inner wall in hole is provided with the slope piece to downthehole slope, helps the sand that the drum sieve sieved out to the downthehole collection in frame middle part, is convenient for collect. Limiting rings are arranged on the outer circumferences of the front end and the rear end of the rotary screen to prevent the rotary screen from moving forwards and backwards. The front end or the rear end of the frame is provided with a pull ring, so that the trailer pulling device is convenient to move. The electric supporting legs are arranged in bilateral symmetry, so that stability is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;

FIG. 3 is a second schematic diagram of the structure of the present utility model;

FIG. 4 is a schematic view of a trommel according to the present utility model;

fig. 5 is a schematic structural view of a frame in the present utility model.

In the figure: 1. a frame; 101. a first support; 102. a gear; 103. a second support; 104. a roller; 105. a hole; 106. a tilting block; 2. a drum screen; 21. an annular reinforcing plate; 210. a bump; 201. a first limiting ring; 202. a second limiting ring; 3. a wheel; 4. a ring gear; 5. a motor; 6. an electric support leg; 7. a pull ring; 11. a vertical rod; 12. beating the rod; 13. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the sand screening device provided by the utility model comprises a frame 1 and a drum screen 2, wherein wheels 3 are arranged at the bottom of the frame 1, and a pull ring 7 is arranged at the front end of the frame 1, so that a trailer can be conveniently used for dragging the device into a construction site.

The front end bilateral symmetry of frame 1 is provided with two support one 101 to all rotate on two support one 101 and be provided with ring gear 4 on the front end outer circumference of drum sieve 2, drum sieve 2 meshes with two gears 102 through ring gear 4, and any one of two gears 102 passes through motor 5 drive, and through starter motor 5 and then drives drum sieve 2 and rotate.

The rear end bilateral symmetry of frame 1 is provided with two support second 103 to all rotate on two support second 103 and be provided with gyro wheel 104, the rear end and the two gyro wheels 104 roll connection of drum sieve 2, gyro wheel 104 are rubber gyro wheel, adopt rubber material can reduce the noise that produces when friction.

The rear end bilateral symmetry of frame 1 sets up two electronic supporting legs 6, and through control electronic supporting leg 6 downward extension and supporting ground, the drum sieve 2 on making frame 1 becomes the incline condition, gets into the inside grit of drum sieve 2 and removes to the bottom gradually and accomplish screening operation in the rotation in-process.

The middle part of the frame 1 is provided with a hole 105, the inner wall of the hole 105 is provided with an inclined block 106 inclined to the hole, sand screened out by the rotary screen 2 is helped to gather into the hole 105 in the middle part of the frame 1, and the sand is convenient to collect. The outer circumference of the front end of the rotary screen 2 is provided with a first limiting ring 201, the front end face of the first limiting ring 201 is attached to the rear end faces of the two gears 102, the outer circumference of the rear end of the rotary screen 2 is provided with a second limiting ring 202, the rear end face of the second limiting ring 202 is attached to the front end faces of the two rollers 104, and the rotary screen 2 is prevented from moving forwards and backwards.

The drum sieve 2 middle part is provided with annular reinforcing plate 21, annular reinforcing plate 21 outside is provided with a plurality of lugs 210 in the circumferencial direction, frame 1 side is provided with pole setting 11, the pole setting 11 top articulates there is the pole 12 of beating, it supports to annular reinforcing plate 21 outside to beat pole 12 front end, still be connected through spring 13 between pole 12 and the pole setting 11, when drum sieve 2 rotates, it constantly is jacked by lug 210 to beat pole 12, then the annular reinforcing plate 21 outside is beaten down, increase the dynamics of beating under spring 13's effect, make the grit of card on drum sieve 2 mesh receive to beat vibrations and drop, avoid the mesh jam, filtration efficiency has been improved.

Compared with a vibration motor, the utility model has smaller noise, the whole inner wall of the rotary screen 2 is a screen, the filtering effect is better, the working efficiency is higher, and the screening speed can be adjusted by controlling the rotating speed of the rotary screen 2 and the extension height of the electric supporting legs 6. The faster the rotation speed of the drum screen 2, the faster the movement speed of sand and stone inside, thereby reducing screening time and improving screening speed. When the electric supporting legs 6 are higher in extending height, the inclination angle of the rotary screen 2 is larger, the residence time of sand and stones in the rotary screen 2 is shorter, and the speed of distraction screening is further improved.

Firstly, moving the device to a construction site by using a pull ring 7, then fixing, controlling an electric supporting leg 6 to extend downwards and support the ground, lifting the rear end of a rotary screen 2, forming a certain inclination angle with the front end of the rotary screen 2, then starting a motor 5, starting rotation of the rotary screen 2, continuously pouring sand and stones from an opening at the rear end of the rotary screen 2, screening by rotation of the rotary screen 2, discharging sand with smaller particles from a hole 105 in the middle of a lower frame 1, and discharging sand with larger particles from an opening at the front end of the rotary screen 2; meanwhile, in the rotation process of the drum screen 2, the beating rod 12 is continuously jacked up by the convex blocks 210, and then the outer side of the annular reinforcing plate 21 is tapped down, so that sand and stone clamped on meshes of the drum screen 2 are beaten and vibrated to fall.

Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (6)

1. A sand screening device, characterized in that: the novel racket frame comprises a frame body (1) and a drum screen (2), wherein wheels (3) are arranged at the bottom of the frame body (1), two first supports (101) are symmetrically arranged at the left and right sides of the front end of the frame body (1), gears (102) are rotatably arranged on the first supports (101), a ring gear (4) is arranged on the outer circumference of the front end of the drum screen (2), the drum screen (2) is meshed with the two gears (102) through the ring gear (4), any one of the two gears (102) is driven by a motor (5), two second supports (103) are symmetrically arranged at the left and right sides of the rear end of the frame body (1), rollers (104) are rotatably arranged on the second supports (103), the rear end of the drum screen (2) is in rolling connection with the two rollers (104), an electric supporting leg (6) is arranged at the front end or the rear end of the frame body (1), a ring reinforcing plate (21) is arranged in the middle of the drum screen (2), a plurality of vertical rods (12) are arranged on the outer side of the frame body (21) in the circumferential direction, a plurality of vertical rods (12) are hinged to the front vertical rods (11), the beating rod (12) is connected with the vertical rod (11) through a spring (13).

2. The sand screening device of claim 1, wherein: a hole (105) is formed in the middle of the frame (1), and an inclined block (106) inclined to the hole is arranged on the inner wall of the hole (105).

3. The sand screening device of claim 1, wherein: the roller (104) is a rubber roller.

4. The sand screening device of claim 1, wherein: be provided with spacing ring one (201) on the front end outer circumference of drum sieve (2), the terminal surface laminating two gear (102) rear end face before spacing ring one (201), be provided with spacing ring two (202) on the rear end outer circumference of drum sieve (2), terminal surface laminating two gyro wheels (104) front end face behind spacing ring two (202).

5. The sand screening device of claim 1, wherein: the front end or the rear end of the frame (1) is provided with a pull ring (7).

6. The sand screening device of claim 1, wherein: the two electric supporting legs (6) are symmetrically arranged left and right.