CN211100112U

CN211100112U - Coarse sand screening device for construction site

Info

Publication number: CN211100112U
Application number: CN201922255342.9U
Authority: CN
Inventors: 赖娟英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-28
Anticipated expiration: 2029-12-16

Abstract

The utility model provides a coarse sand sieving mechanism for building site. The coarse sand screening device for the construction site comprises a screening box; the three inclined plates are fixedly arranged on the inner wall of the screening box; the triangular bulges are fixedly arranged at the tops of the three inclined plates; the rectangular frame is fixedly arranged on the inner wall of the screening box; the four reset spring columns are all fixedly arranged at the top of the rectangular frame; the sieve plate is arranged in the screening box, the sieve plate is connected with the inner wall of the screening box in a sliding mode, and the bottom of the sieve plate is fixedly connected with the top of the reset spring column; the hydraulic cylinder is arranged in the screening box. The utility model provides a coarse sand sieving mechanism for building site has that the screening effect is better, can in time clear up the screen cloth, and the advantage of the husky group of breaing up that can be effectively swift.

Description

Coarse sand screening device for construction site

Technical Field

The utility model relates to a building technical field especially relates to a coarse sand sieving mechanism for building site.

Background

Sand is fine stone particles or is shaped like sand, sand is one of main constituent materials constituting concrete and mortar, and is a bulk material of civil engineering and construction, and the thickness degree of sand is the average thickness degree of sand particles of different particle sizes mixed together, and is generally divided into coarse sand, medium sand and fine sand, and these common sands are basically used in the process of building construction.

However, because contain more stone grain in the sand, miscellaneous piece and some do not belong to the impurity of sand itself, the sand that will transport many times before the building construction uses screens, but traditional coarse sand sieving mechanism for building site is mostly only to carry out a simple screening to the sand, and screening efficiency and effect are all not good, and the sand is extremely easily affected by tide to form the difficult dispersed sand group, these sand group seriously influence normal screening work, the screening effect is lower.

Therefore, there is a need to provide a new coarse sand screening device for construction site to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a screening effect better, can in time clear up the screen cloth, and can effective swift break up husky group's coarse sand sieving mechanism for building site.

For solving the technical problem, the utility model provides a coarse sand sieving mechanism for building site includes: a screening box; the three inclined plates are fixedly arranged on the inner wall of the screening box; the triangular bulges are fixedly arranged at the tops of the three inclined plates; the rectangular frame is fixedly arranged on the inner wall of the screening box; the four reset spring columns are all fixedly arranged at the top of the rectangular frame; the sieve plate is arranged in the screening box, the sieve plate is connected with the inner wall of the screening box in a sliding mode, and the bottom of the sieve plate is fixedly connected with the top of the reset spring column; the hydraulic cylinder is arranged in the screening box and is positioned above the screen plate; and the fixed connecting plate is fixedly arranged on the output shaft of the hydraulic cylinder.

Preferably, the bottom of the fixed connection plate is fixedly provided with a rodless cylinder, the rodless cylinder is provided with a movable connection block in a sliding manner, the bottom of the movable connection block is fixedly provided with a connection plate, and the bottom of the connection plate is fixedly provided with a plurality of plastic brushes.

Preferably, the fixed rotating shaft is rotatably installed on the inner walls of the two sides of the screening box, a cam is fixedly arranged on the fixed rotating shaft in a fixed mode, a transmission motor is fixedly installed on the outer wall of one side of the screening box, and an output shaft of the transmission motor is fixedly connected with one end of the fixed rotating shaft.

Preferably, the bearing holes are formed in the inner walls of the two sides of the screening box, the two bearings are fixedly sleeved on the fixed rotating shaft, the inner walls of the bearing holes are fixedly connected with the outer rings of the bearings respectively, and the cam is located between the screen plate and the rectangular frame.

Preferably, oblique sliding openings are formed in two sides of the screening box, sealing plugs are arranged in the oblique sliding openings, a fixed pulling plate is fixedly mounted on one side, far away from each other, of each of the two sealing plugs, and the fixed pulling plate is fixedly connected with the screening box through bolts.

Preferably, a discharge pipe is fixedly installed at the bottom of the screening box.

Preferably, the inner walls of the two sides of the screening box are fixedly provided with the same bearing fixing plate, and the hydraulic cylinder is fixedly connected with the bottom of the bearing fixing plate.

Preferably, the swash plate is crisscross to be distributed, four reset spring post is the rectangular array and distributes, the both sides of solid fishplate bar all fixed mounting have the slant protection casing.

Compared with the prior art, the utility model provides a coarse sand sieving mechanism for building site has following beneficial effect:

the utility model provides a coarse sand sieving mechanism for building site, during the use, pour the sand into the screening incasement, fall on three swash plate in proper order, the triangle arch can be effectively quick breaks up husky group, the sand falls on the sieve afterwards, later start drive motor, the cam begins to rotate, thereby shake the screening to the sand, through the incessant rotation of cam, make the screening efficiency improve greatly, the sand after the screening just discharges, the screening finishes the back, open the sealing plug, start the hydraulic cylinder, make the plastics brush contact the sieve, then start rodless cylinder, clean the sieve then, and discharge through the oblique slip mouth, the clearance is timely and effectual.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a coarse sand screening device for a construction site according to the present invention;

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

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic top view of the cam shown in FIG. 1;

fig. 5 is a schematic side view of the fastening plate shown in fig. 1.

Reference numbers in the figures: 1. screening case, 2, swash plate, 3, triangle arch, 4, rectangular frame, 5, reset spring post, 6, sieve, 7, pneumatic cylinder, 8, rigid coupling board, 9, rodless cylinder, 10, loose joint piece, 11, connecting plate, 12, plastic brush, 13, fixed rotating shaft, 14, cam, 15, driving motor, 16, conveying pipeline.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a coarse sand screening apparatus for a construction site according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; FIG. 4 is a schematic top view of the cam shown in FIG. 1; fig. 5 is a schematic side view of the fastening plate shown in fig. 1. Coarse sand sieving mechanism for building site includes: a screening box 1; the three inclined plates 2 are fixedly arranged on the inner wall of the screening box 1; the triangular protrusions 3 are all fixedly arranged at the tops of the three inclined plates 2; the rectangular frame 4 is fixedly arranged on the inner wall of the screening box 1; the four reset spring columns 5 are all fixedly arranged at the top of the rectangular frame 4; the sieve plate 6 is arranged in the screening box 1, the sieve plate 6 is connected with the inner wall of the screening box 1 in a sliding manner, and the bottom of the sieve plate 6 is fixedly connected with the top of the reset spring column 5; the hydraulic cylinder 7 is arranged in the screening box 1, and the hydraulic cylinder 7 is positioned above the screen plate 6; and the fixed connecting plate 8 is fixedly arranged on the output shaft of the hydraulic cylinder 7.

The bottom fixed mounting of solid fishplate bar 8 has no pole cylinder 9, slidable mounting has loose joint piece 10 on no pole cylinder 9, the bottom fixed mounting of loose joint piece 10 has connecting plate 11, the bottom fixed mounting of connecting plate 11 has a plurality of plastics brushes 12.

Fixed rotating shaft 13 is installed in the rotation on the both sides inner wall of screening case 1, fixed cover is equipped with cam 14 on the fixed rotating shaft 13, fixed mounting has drive motor 15 on the outer wall of one side of screening case 1, drive motor 15's output shaft with the one end fixed connection of fixed rotating shaft 13.

Bearing holes are formed in the inner walls of the two sides of the screening box 1, two bearings are fixedly sleeved on the fixed rotating shaft 13, the inner walls of the bearing holes are respectively fixedly connected with the outer rings of the bearings, and the cam 14 is located between the screen plate 6 and the rectangular frame 4.

Oblique sliding openings are formed in two sides of the screening box 1, sealing plugs are arranged in the oblique sliding openings, a fixed pull plate is fixedly mounted on one side, far away from each other, of each of the two sealing plugs, and the fixed pull plate is fixedly connected with the screening box 1 through bolts.

The bottom of screening case 1 is fixed mounting has the discharging pipe.

The inner walls of the two sides of the screening box 1 are fixedly provided with the same bearing fixing plate, and the hydraulic cylinder 7 is fixedly connected with the bottom of the bearing fixing plate.

The swash plate 2 is crisscross to be distributed, four reset spring post 5 is the rectangular array and distributes, the equal fixed mounting in both sides of solid joint plate 8 has the slant protection casing.

The utility model provides a coarse sand sieving mechanism for building site's theory of operation as follows:

when the sand screening device is used, sand is poured into the screening box 1 through the conveying pipeline 16, the sand sequentially falls onto the three inclined plates 2 and rolls off, sand lumps in the sand can be effectively and quickly scattered through the triangular protrusions 3 on the inclined plates 2, the sand can be further scattered by the impact force generated when the upper inclined plate 2 falls on the lower inclined plate 2, the sand falls on the screen plate 6, the rodless cylinder 9 can be protected through the arranged inclined protective cover, the transmission motor 15 is started, the output shaft of the transmission motor 15 rotates to drive the fixed rotating shaft 13 to rotate, the cam 14 is driven to rotate, when the longest end of the cam 14 contacts the screen plate 6, the screen plate 6 is pushed upwards, the reset spring column 5 is stretched, when the sand is separated, the screen plate 6 descends through the elastic action of the reset spring column 5, and vibration screening of the sand is started, through the uninterrupted rotation of the cam 14, the sieve plate 6 gradually forms up-and-down reciprocating motion, so that sand can be screened in an uninterrupted vibration mode, the screening efficiency is greatly improved, and screened sand can be discharged through the discharge pipe;

after the screening finishes, open the sealing plug, then the output shaft that starts hydraulic cylinder 7 stretches out, and no pole cylinder 9 just can descend for plastics brush 12 contacts sieve 6, then starts no pole cylinder 9, just begins to clean the impurity on the sieve 6, and discharges through the smooth mouth that slides to one side, and the clearance is timely and effectual.

the utility model provides a coarse sand sieving mechanism for building site, during the use, pour the sand into screening case 1 in, fall on three swash plate 2 in proper order, protruding 3 can be effectively quick of triangle break up the sand group, the sand falls on sieve 6 afterwards, later start drive motor 15, cam 14 begins to rotate, thereby shake the screening to the sand, through cam 14 incessant rotation, make screening efficiency improve greatly, the sand after the screening just discharges, the screening finishes the back, open the sealing plug, start hydraulic cylinder 7, make plastic brush 12 contact sieve 6, then start rodless cylinder 9, clean sieve 6 then, and discharge through the oblique slip mouth, the clearance is timely and effectual.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a coarse sand sieving mechanism for building site which characterized in that includes:

a screening box;

the three inclined plates are fixedly arranged on the inner wall of the screening box;

the triangular bulges are fixedly arranged at the tops of the three inclined plates;

the rectangular frame is fixedly arranged on the inner wall of the screening box;

the four reset spring columns are all fixedly arranged at the top of the rectangular frame;

the sieve plate is arranged in the screening box, the sieve plate is connected with the inner wall of the screening box in a sliding mode, and the bottom of the sieve plate is fixedly connected with the top of the reset spring column;

the hydraulic cylinder is arranged in the screening box and is positioned above the screen plate;

and the fixed connecting plate is fixedly arranged on the output shaft of the hydraulic cylinder.

2. The coarse sand screening device for the construction site as claimed in claim 1, wherein a rodless cylinder is fixedly mounted at the bottom of the fixing plate, a movable joint block is slidably mounted on the rodless cylinder, a connecting plate is fixedly mounted at the bottom of the movable joint block, and a plurality of plastic brushes are fixedly mounted at the bottom of the connecting plate.

3. The coarse sand screening device for the construction site as claimed in claim 1, wherein a fixed rotating shaft is rotatably mounted on the inner walls of both sides of the screening box, a cam is fixedly sleeved on the fixed rotating shaft, a transmission motor is fixedly mounted on the outer wall of one side of the screening box, and an output shaft of the transmission motor is fixedly connected with one end of the fixed rotating shaft.

4. The coarse sand screening device for the construction site as claimed in claim 3, wherein the screening box has two bearing holes formed on the inner walls of the two sides thereof, the fixed shaft is fixedly sleeved with two bearings, the inner walls of the two bearing holes are respectively fixedly connected with the outer rings of the two bearings, and the cam is located between the screen plate and the rectangular frame.

5. The coarse sand screening device for the construction site as recited in claim 1, wherein oblique sliding openings are formed in both sides of the screening box, sealing plugs are arranged in the oblique sliding openings, a fixed pulling plate is fixedly mounted on each side, far away from each other, of each of the two sealing plugs, and the fixed pulling plate is fixedly connected with the screening box through bolts.

6. The coarse sand screening apparatus for construction sites according to claim 1, wherein a discharge pipe is fixedly installed at the bottom of the screening box.

7. The coarse sand screening device for the construction site as claimed in claim 1, wherein the same load-bearing fixing plate is fixedly mounted on the inner walls of the two sides of the screening box, and the hydraulic cylinder is fixedly connected with the bottom of the load-bearing fixing plate.

8. The coarse sand screening device for the construction site as claimed in claim 1, wherein three inclined plates are distributed in a staggered manner, four restoring spring columns are distributed in a rectangular array, and inclined protection covers are fixedly mounted on both sides of the fixing plate.