CN215466133U - Sand screening device for building construction - Google Patents
Sand screening device for building construction Download PDFInfo
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- CN215466133U CN215466133U CN202122311341.9U CN202122311341U CN215466133U CN 215466133 U CN215466133 U CN 215466133U CN 202122311341 U CN202122311341 U CN 202122311341U CN 215466133 U CN215466133 U CN 215466133U
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Abstract
The utility model discloses a sand screening device for building construction, which comprises a box body, a coarse strainer and a screen; a feed inlet is arranged on the box body, and a discharge pipe is arranged below the box body; the bottom of the box body is provided with a hydraulic telescopic supporting leg, and the inner side of the hydraulic telescopic supporting leg is provided with a roller unit; one side of the box body is provided with a circulating feeding unit; the circulating feeding unit comprises a material box, a feeding hopper and a screw conveyor; the top of the screw conveyer is connected with the feed inlet through a telescopic pipe; a feed back port communicated with the side wall of the screw conveyor is arranged at one side of the box body; a vibrator is arranged below the coarse filter screen, one end of the screen is rotatably connected with the box body, and the other end of the screen is in sliding connection with the box body. According to the utility model, the coarse strainer and the screen are arranged in the box body, and the circulating feeding unit is arranged outside the box body, so that the coarse strainer and the screen are used for secondary screening, and the impurity removal efficiency is higher; through set up the vibrator under the coarse strainer, screen cloth one end is rotated one end and is slided, realizes vibrating the edulcoration, prevents that the filter screen from blockking up.
Description
Technical Field
The utility model relates to the field of building construction equipment, in particular to a sand screening device for building construction.
Background
In the building industry, sand is one of main building materials, and building sand needs to be screened to a certain extent before being used, so that sundries such as stones can be removed from the building sand, and the use effect is prevented from being influenced by the sundries.
The sand is screened by using the screening device, however, the existing screening device simply screens the sand through the filter screen, so that impurities cannot be effectively removed, and the condition that the sand meeting the requirement is wasted because the sand is not screened out exists, so that the screening effect is poor; moreover, the existing screening devices do not have a cleaning function, so that the filter screen is often blocked, and the working efficiency is affected.
Therefore, the existing screening device has the problems of poor screening effect and easy blockage of the filter screen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sand screening device for building construction. The utility model has the advantages of relatively better screening effect and difficult blockage of the filter screen.
The technical scheme of the utility model is as follows: a sand screening device for building construction comprises a box body, a coarse strainer obliquely arranged in the box body and a screen obliquely arranged below the coarse strainer; a feed inlet is formed in the middle of the upper part of the box body, and a discharge pipe is arranged below the box body; a plurality of hydraulic telescopic supporting legs are uniformly distributed at the bottom of the box body, and roller units are arranged on the inner sides of the hydraulic telescopic supporting legs; a circulating feeding unit is arranged on one side of the box body; the circulating feeding unit comprises a material box, a feeding hopper arranged at the upper end of the material box and far away from one side of the box body, and a spiral conveyor arranged at the upper end of the material box and close to one side of the box body in a vertical mode; the top of the spiral conveyor is connected with the feed inlet through a telescopic pipe; a feed back port corresponding to the lower end of the coarse filter screen is arranged on one side of the box body; the feed back port is communicated with the side wall of the spiral conveyor through a telescopic pipe; vibrators are arranged below two ends of the coarse filter screen; the high end of the screen is rotationally connected with the inner wall of the box body through a rotating shaft, and the low end of the screen is connected with a sliding rail arranged on the inner wall of the box body through a sliding block.
In the sand sieving device for building construction, the hydraulic telescopic supporting leg comprises a hydraulic cylinder connected with a supporting plate arranged at the bottom of the box body, a telescopic rod arranged below the hydraulic cylinder and a supporting foot arranged at the bottom of the telescopic rod and in a shape of a terrace; the roller unit is arranged on the inner side of the hydraulic cylinder, and the height of the lowest position of the roller unit is lower than the height of the lowest position of the contracted hydraulic telescopic supporting leg.
In the sand screening device for building construction, the roller unit comprises a mounting seat connected with the hydraulic cylinder, a connecting column arranged below the mounting seat and a roller arranged below the connecting column; the connecting column is rotatably connected with the mounting seat through a rotating shaft.
In the sand screening device for building construction, the top of the feed inlet, the spiral conveyor and the side wall of the box body outside the feed back port are provided with flange plates; two ends of the extension tube are respectively connected with the corresponding flange plates.
In the sand sieving device for building construction, the two sides of the bottom in the box body are respectively provided with the sliding material plates which are obliquely arranged; the sliding material plates are all inclined towards the discharge pipe; the bottom of the box body is provided with an air cylinder which is positioned below the lower end of the screen and is connected with the sliding block through a lifting rod; the cylinder is positioned between the sliding material plate and the side wall of the box body; the bottom end of the screen is connected with the sliding block through an elastic telescopic piece.
In the sand sieving device for building construction, the elastic expansion piece is an expansion sleeve with a spring in the middle; a telescopic isolation cover fixedly connected with the inner wall of the box body is obliquely arranged above the elastic telescopic piece; the telescopic isolation hood is telescopic cloth.
In the sand sieving device for building construction, the discharge pipe is provided with the switch plate.
Compared with the prior art, the sand screening device has the advantages that the inclined coarse filter screen and the screen are arranged in the box body, sand is primarily screened through the coarse filter screen, secondary screening is carried out through the screen, impurities can be effectively screened, and the screening effect is relatively good; according to the vibrating screen, the vibrator is arranged below the coarse filter screen, one end of the screen is rotatably connected with the other end of the screen and can slide through the sliding rail, so that vibrating impurity removal of the coarse filter screen and the screen is realized, and blockage is prevented; then set up the circulation feed unit that is used for feeding and circulation screening outside the box, impurity that screens out etc. get back to screw conveyer through flexible pipe then get into the box again and carry out circulation screening, prevent that partial sand from being wasted.
Therefore, the utility model has the advantages of relatively better screening effect and difficult blockage of the filter screen.
Furthermore, the height of the box body can be adjusted by arranging the hydraulic telescopic supporting legs, so that the requirements of different environments are met, and in order to match the height adjustment of the box body, the box body is connected with the screw conveyer through the telescopic pipes and the flange plate, so that the connection is convenient;
the roller units are arranged on the inner sides of the hydraulic telescopic supporting legs, and when the hydraulic telescopic supporting legs are completely contracted, the rollers are in contact with the ground, so that the hydraulic telescopic supporting legs are convenient to move;
the cylinder is connected with the sliding block, so that the cylinder can be used for shaking the screen up and down to prevent the screen from being blocked;
through setting up scalable cage and smooth flitch, prevent that the sand from falling into cylinder department, the sand of being convenient for again simultaneously falls into the discharge tube through smooth flitch and arranges the material.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
fig. 4 is an enlarged view at C in fig. 1.
The labels in the figures are: 1-box body, 11-feed inlet, 12-support plate, 13-discharge pipe, 14-switch plate, 15-feed back port, 21-coarse screen, 22-vibrator, 3-screen, 31-rotating shaft, 4-sliding plate, 5-material box, 51-feeding hopper, 52-screw conveyor, 6-air cylinder, 61-lifting rod, 62-sliding rail, 63-sliding block, 64-telescopic isolation cover, 65-elastic telescopic piece, 7-telescopic pipe, 71-flange plate, 8-roller unit, 81-mounting seat, 82-rotating shaft, 83-connecting column, 84-roller and 9-hydraulic telescopic supporting leg.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Examples are given. A sand screening device for building construction is composed of a box body 1, a coarse screen 21 obliquely arranged in the box body 1 and a screen 3 obliquely arranged below the coarse screen 21, as shown in figures 1-4; a feed inlet 11 is arranged in the middle of the upper part of the box body 1, and a discharge pipe 13 is arranged below the box body 1; a plurality of hydraulic telescopic supporting legs 9 which are uniformly distributed are arranged at the bottom of the box body 1, and roller units 8 are arranged on the inner sides of the hydraulic telescopic supporting legs 9; a circulating feeding unit is arranged on one side of the box body 1; the circulating feeding unit comprises a material box 5, a feeding hopper 51 arranged at one side of the upper end of the material box 5, which is far away from the box body 1, and a spiral conveyor 52 vertically arranged at one side of the upper end of the material box 5, which is close to the box body 1; the top of the spiral conveyer 52 is connected with the feed inlet 11 through an extension pipe 7; a feed back port 15 corresponding to the lower end of the coarse filter 21 is arranged on one side of the box body 1; the feed back port 15 is communicated with the side wall of the spiral conveyor 52 through an extension pipe 7; vibrators 22 are arranged below two ends of the coarse filter screen 21; the high end of the screen 3 is rotationally connected with the inner wall of the box body 1 through a rotating shaft 31, and the low end of the screen 3 is connected with a sliding rail 62 arranged on the inner wall of the box body 1 through a sliding block 63.
The hydraulic telescopic supporting leg 9 comprises a hydraulic cylinder connected with a supporting plate 12 arranged at the bottom of the box body 1, a telescopic rod arranged below the hydraulic cylinder and capable of being stretched, and a supporting foot arranged at the bottom of the telescopic rod and in a ladder shape; the roller unit 8 is arranged on the inner side of the hydraulic cylinder, and the height of the lowest position of the roller unit 8 is lower than the height of the lowest position of the contracted hydraulic telescopic supporting legs 9.
The roller unit 8 comprises a mounting seat 81 connected with the hydraulic cylinder, a connecting column 83 arranged below the mounting seat 81 and a roller 84 arranged below the connecting column 83; the connecting column 83 is rotatably connected with the mounting seat 81 through a rotating shaft 82.
The top of the feed inlet 11, the spiral conveyer 52 and the side wall of the box body 1 outside the feed back port 15 are provided with flange plates 71; two ends of the extension tube 7 are respectively connected with corresponding flanges 71.
The two sides of the bottom in the box body 1 are respectively provided with a sliding material plate 4 which is obliquely arranged; the sliding material plates 4 are all inclined towards the discharge pipe 13; the bottom of the box body 1 is provided with a cylinder 6 which is positioned below the lower end of the screen 3 and is connected with a slide block 63 through a lifting rod 61; the cylinder 6 is positioned between the sliding material plate 4 and the side wall of the box body 1; the bottom end of the screen 3 is connected with a slide block 63 through an elastic expansion piece 65.
The elastic telescopic part 65 is a telescopic sleeve with a spring in the middle; a telescopic isolation cover 64 fixedly connected with the inner wall of the box body 1 is obliquely arranged above the elastic expansion piece 65; the retractable isolation cover 64 is a retractable cloth.
And a switch plate 14 is arranged on the discharge pipe 13.
Claims (6)
1. The utility model provides a sand sieving mechanism for construction which characterized in that: comprises a box body (1), a coarse filter screen (21) obliquely arranged in the box body (1) and a screen (3) obliquely arranged below the coarse filter screen (21); a feed inlet (11) is formed in the middle of the upper part of the box body (1), and a discharge pipe (13) is arranged below the box body (1); a plurality of hydraulic telescopic supporting legs (9) are uniformly distributed at the bottom of the box body (1), and roller units (8) are arranged on the inner sides of the hydraulic telescopic supporting legs (9); a circulating feeding unit is arranged on one side of the box body (1); the circulating feeding unit comprises a material box (5), a feeding hopper (51) arranged at one side of the upper end of the material box (5) far away from the box body (1) and a spiral conveyor (52) vertically arranged at one side of the upper end of the material box (5) close to the box body (1); the top of the spiral conveyor (52) is connected with the feed inlet (11) through an extension pipe (7); a feed back port (15) corresponding to the lower end of the coarse filter screen (21) is arranged on one side of the box body (1); the feed back port (15) is communicated with the side wall of the spiral conveyor (52) through an extension pipe (7); vibrators (22) are arranged below two ends of the coarse filter screen (21); the high end of the screen (3) is rotatably connected with the inner wall of the box body (1) through a rotating shaft (31), and the low end of the screen (3) is connected with a sliding rail (62) arranged on the inner wall of the box body (1) through a sliding block (63).
2. The sand screening device for building construction according to claim 1, wherein: the hydraulic telescopic supporting leg (9) comprises a hydraulic cylinder connected with a supporting plate (12) arranged at the bottom of the box body (1), a telescopic rod arranged below the hydraulic cylinder and capable of being telescopic, and a supporting foot arranged at the bottom of the telescopic rod and in a step shape; the roller unit (8) is arranged on the inner side of the hydraulic cylinder, and the height of the lowest position of the roller unit (8) is lower than the height of the lowest position of the contracted hydraulic telescopic supporting leg (9).
3. The sand screening device for building construction according to claim 2, wherein: the roller unit (8) comprises a mounting seat (81) connected with the hydraulic cylinder, a connecting column (83) arranged below the mounting seat (81) and a roller (84) arranged below the connecting column (83); the connecting column (83) is rotatably connected with the mounting seat (81) through a rotating shaft (82).
4. The sand screening device for building construction according to claim 1, wherein: the top of the feed inlet (11), the spiral conveyor (52) and the side wall of the box body (1) outside the feed back port (15) are provided with flange plates (71); two ends of the extension tube (7) are respectively connected with the corresponding flange plates (71).
5. The sand screening device for building construction according to claim 1, wherein: sliding material plates (4) which are obliquely arranged are respectively arranged on two sides of the bottom in the box body (1); the sliding material plates (4) are all inclined towards the discharge pipe (13); the bottom of the box body (1) is provided with a cylinder (6) which is positioned below the lower end of the screen (3) and is connected with a slide block (63) through a lifting rod (61); the cylinder (6) is positioned between the sliding material plate (4) and the side wall of the box body (1); the bottom end of the screen (3) is connected with a sliding block (63) through an elastic expansion piece (65).
6. The sand screening device for building construction according to claim 5, wherein: the elastic telescopic piece (65) is a telescopic sleeve with a spring in the middle; a telescopic isolation cover (64) fixedly connected with the inner wall of the box body (1) is obliquely arranged above the elastic telescopic piece (65); the telescopic isolation cover (64) is telescopic cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311341.9U CN215466133U (en) | 2021-09-23 | 2021-09-23 | Sand screening device for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311341.9U CN215466133U (en) | 2021-09-23 | 2021-09-23 | Sand screening device for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215466133U true CN215466133U (en) | 2022-01-11 |
Family
ID=79769887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122311341.9U Active CN215466133U (en) | 2021-09-23 | 2021-09-23 | Sand screening device for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215466133U (en) |
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2021
- 2021-09-23 CN CN202122311341.9U patent/CN215466133U/en active Active
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