CN220295165U - Sand and stone screening device for engineering construction - Google Patents

Abstract

The utility model discloses a sand and stone screening device for engineering construction, which comprises a screening frame, wherein a feed hopper is fixedly arranged at the top of the screening frame, a second discharge chute is fixedly arranged at one side of the screening frame, a screening mechanism is arranged in the screening frame, the screening mechanism comprises a first screen plate, a connecting plate, an electric push rod, a second screen plate and an inclined plate, the inner wall of the screening frame is slidably connected with the first screen plate, the connecting plate is fixedly arranged at one side of the first screen plate, the electric push rod is fixedly arranged at one side of the screening frame, an output shaft of the electric push rod is fixedly connected with the connecting plate, and the second screen plate is slidably connected with the inner wall of the screening frame. Through starting electric putter can drive first sieve through the connecting plate and remove, and carry out first screening to the grit, great grit discharges through first blown down tank, and the grit of screening simultaneously directly falls to the second on-screen screening again to can carry out multiple screening effect to the grit.

Description

Sand and stone screening device for engineering construction

Technical Field

The utility model relates to the field of sand screening, in particular to a sand screening device for engineering construction.

Background

The sand is a loose mixture of sand grains and broken stone, and minerals or rock particles with the particle size of 0.074-2 mm are called sand, and the particle size is more than 2mm are called gravel or cobble.

At present, the requirement on the thickness of sand and stone is higher during engineering construction, the sand and stone needs to be screened before use, larger particles in the sand and stone are screened out, most of the existing screening uses a screen for workers to screen the sand and stone, and therefore repeated screening of sand and stone is needed when the screening is performed, and the screening efficiency is low.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a sand screening device for engineering construction, which aims to solve the problems that in the prior art, the prior art has higher requirements on the thickness of sand during engineering construction, larger particles in sand are screened out before use, and the prior art uses a screen for screening sand, so that repeated screening of sand is needed during screening, and the screening efficiency is low.

In order to achieve the aim, the utility model provides a sand screening device for engineering construction, which comprises a screening frame, wherein a feed hopper is fixedly arranged at the top of the screening frame, and a second discharge chute is fixedly arranged at one side of the screening frame;

the inside of screening frame is equipped with screening mechanism, and screening mechanism includes, first sieve, connecting plate, electric putter, second sieve and swash plate, the inner wall sliding connection of screening frame has first sieve, one side fixed mounting of first sieve has the connecting plate, one side fixed mounting of screening frame has electric putter, electric putter's output shaft and connecting plate fixed connection, the inner wall sliding connection of screening frame has the second sieve, first sieve and second sieve are used for carrying out the screening effect to the grit, the inner wall rotation of screening frame is connected with the swash plate, one side fixed mounting of first sieve has first blown down tank.

In one example, a motor is fixedly arranged on one side of the screening frame, a rotating shaft is fixedly arranged on an output shaft of the motor, and the rotating shaft penetrates through and extends into the screening frame.

In one example, two cams are fixedly mounted on the outer ring of the rotating shaft in the screening frame, and the cams are engaged with the inclined plate.

In one example, a connecting rod is fixedly installed at the top of the inclined plate, and a supporting plate is fixedly installed at the top end of the connecting rod.

In one example, a rubber plate is fixedly arranged on one side, away from the connecting rod, of the supporting plate, and the rubber plate is connected with the second sieve plate.

In one example, the two sides of the sloping plate are both rotationally connected with fixed shafts, and one ends of the two fixed shafts, which are far away from each other, are both fixedly connected with the screening frame.

The sand and stone screening device for engineering construction provided by the utility model has the following beneficial effects:

1. this grit screening plant for engineering construction can drive first sieve through the connecting plate through starting electric putter and remove, and carries out first screening to the grit, and great grit discharges through first blown down tank, and the grit of screening directly falls to the second sieve on screening once more simultaneously to can carry out multiple screening to the grit and effect, thereby improve its screening efficiency.

2. This grit screening plant for engineering construction can drive the pivot through the starter motor and rotate, and drives the cam and rotate and to beat the swash plate for the swash plate is around the fixed axle and is swinging motion, can drive the connecting rod simultaneously and upwards move, can drive the rubber slab through the backup pad and beat the second sieve, prevents that the second sieve from being blocked by the grit when screening.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

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

FIG. 2 is a schematic view of a second screen plate structure according to the present utility model;

fig. 3 is a schematic view of the swash plate structure of the present utility model.

In the figure: 1. a screening frame; 2. a feed hopper; 3. a first screen plate; 4. a first discharge chute; 5. a connecting plate; 6. an electric push rod; 7. a second screen plate; 8. a second discharge chute; 9. a sloping plate; 10. a motor; 11. a rotating shaft; 12. a cam; 13. a connecting rod; 14. a support plate; 15. a rubber plate; 16. and a fixed shaft.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

As shown in fig. 1 to 3, the embodiment of the utility model provides a sand screening device for engineering construction, which comprises a screening frame 1, wherein a feed hopper 2 is fixedly arranged at the top of the screening frame 1, and a second discharge chute 8 is fixedly arranged at one side of the screening frame 1;

the inside of screening frame 1 is equipped with screening mechanism, and screening mechanism includes, first sieve 3, connecting plate 5, electric putter 6, second sieve 7 and swash plate 9, the inner wall sliding connection of screening frame 1 has first sieve 3, one side fixed mounting of first sieve 3 has connecting plate 5, one side fixed mounting of screening frame 1 has electric putter 6, electric putter 6's output shaft and connecting plate 5 fixed connection, the inner wall slip individual of screening frame 1 is connected with second sieve 7, first sieve 3 and second sieve 7 are used for carrying out the screening effect to the grit, the inner wall rotation of screening frame 1 is connected with swash plate 9, one side fixed mounting of first sieve 3 has first blown down tank 4.

Specifically, a motor 10 is fixedly installed on one side of the screening frame 1, a rotating shaft 11 is fixedly installed on an output shaft of the motor 10, the rotating shaft 11 penetrates through and extends into the screening frame 1, the rotating shaft 11 is driven to rotate by the motor 10, and the rotating shaft 11 drives a cam 12 to rotate.

Specifically, two cams 12 are fixedly arranged on the outer ring of the rotating shaft 11 positioned in the screening frame 1, the cams 12 are engaged with the inclined plate 9, and the inclined plate 9 is extruded by the rotation of the cams 12, so that sand and dust are prevented from adhering to the inclined plate 9.

Specifically, a connecting rod 13 is fixedly installed at the top of the inclined plate 9, a supporting plate 14 is fixedly installed at the top end of the connecting rod 13, sand and stones screened through the inclined plate 9 are guided, the connecting rod 13 is fixed to the supporting plate 14, and the supporting plate 14 is fixed to a rubber plate 15.

Specifically, one side of backup pad 14 keeping away from connecting rod 13 fixed mounting has rubber slab 15, and rubber slab 15 links up with second sieve 7, extrudees second sieve 7 when upwards moving through rubber slab 15, prevents grit block in second sieve 7 gap department.

Specifically, both sides of the inclined plate 9 are rotatably connected with fixed shafts 16, one ends of the two fixed shafts 16, which are far away from each other, are fixedly connected with the screening frame 1, the fixed shafts 16 are fixed through the screening frame 1, and the fixed shafts 16 are fixed to the inclined plate 9.

Working principle: carry the grit on first sieve 3 through feeder hopper 2, start electric putter 6 this moment can drive first sieve 3 through connecting plate 5 and remove, and carry out first screening to the grit, great grit discharges through first blown down tank 4, the grit of screening simultaneously directly falls to second sieve 7 on, carry out screening again, starter motor 10 can drive pivot 11 and rotate this moment, and drive cam 12 rotation can strike swash plate 9, make swash plate 9 swing motion around fixed axle 16, simultaneously can drive connecting rod 13 upwards move, can drive rubber slab 15 through backup pad 14 and strike second sieve 7, and screen again to the grit on the second sieve 7, thereby reach and screen more than once more, and prevent the grit card in the gap department of second sieve 7.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (6)

1. The sand and stone screening device for engineering construction comprises a screening frame (1), wherein a feed hopper (2) is fixedly arranged at the top of the screening frame (1), and a second discharge chute (8) is fixedly arranged at one side of the screening frame (1);

the method is characterized in that: the inside of screening frame (1) is equipped with screening mechanism, and screening mechanism includes, first sieve (3), connecting plate (5), electric putter (6), second sieve (7) and swash plate (9), the inner wall sliding connection of screening frame (1) has first sieve (3), one side fixed mounting of first sieve (3) has connecting plate (5), one side fixed mounting of screening frame (1) has electric putter (6), the output shaft and the connecting plate (5) fixed connection of electric putter (6), the inner wall sliding connection of screening frame (1) has second sieve (7), first sieve (3) and second sieve (7) are used for carrying out the screening effect to the grit rotation of screening frame (1) is connected with swash plate (9), one side fixed mounting of first sieve (3) has first blown down tank (4).

2. The sand screening device for engineering construction of claim 1, wherein: one side of the screening frame (1) is fixedly provided with a motor (10), an output shaft of the motor (10) is fixedly provided with a rotating shaft (11), and the rotating shaft (11) penetrates through and extends into the screening frame (1).

3. The sand screening device for engineering construction of claim 2, wherein: the rotating shaft (11) is positioned on the outer ring of the screening frame (1), two cams (12) are fixedly arranged on the outer ring, and the cams (12) are connected with the inclined plate (9).

4. A sand screening device for engineering construction according to claim 3, wherein: the top of swash plate (9) fixed mounting has connecting rod (13), the top of connecting rod (13) fixed mounting has backup pad (14).

5. The sand screening device for engineering construction of claim 4, wherein: one side of the supporting plate (14) far away from the connecting rod (13) is fixedly provided with a rubber plate (15), and the rubber plate (15) is connected with the second sieve plate (7).

6. The sand screening device for engineering construction of claim 1, wherein: the two sides of the inclined plate (9) are respectively and rotatably connected with a fixed shaft (16), and one ends, far away from each other, of the two fixed shafts (16) are respectively and fixedly connected with the screening frame (1).