CN212916508U

CN212916508U - Sand screening installation for subway building

Info

Publication number: CN212916508U
Application number: CN202021594189.9U
Authority: CN
Inventors: 黄展发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-09
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a subway screening installation for building, the on-line screen storage device comprises a base, the bottom fixed mounting of base has four auto-lock universal wheels, and four auto-lock universal wheels are two bisymmetry settings, and the top fixed mounting of base has two supports, and the top fixed mounting of two supports has same conveying cylinder, and conveying cylinder sets up for the slope, and conveying cylinder's top fixed mounting has the loading hopper, and conveying cylinder's bottom fixed mounting has row material pipe, and loading hopper and row material pipe all are linked together with conveying cylinder is inside. The utility model relates to a rationally, the practicality is good, can sieve sand at the uniform velocity even volume to the sieve incasement to can break up because of the caking that wets the production in the sand, to the screening that the sand can be better, utilize the sieve case to carry out horizontal reciprocating motion moreover, increased the motion range of sand on the screen cloth, can sieve the sand faster, improved the screening quality and the screening efficiency to the sand.

Description

Sand screening installation for subway building

Technical Field

The utility model relates to a screening installation technical field specifically is a sand screening installation for subway building.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities, nowadays, with the continuous development and progress of society, the construction projects of urban subways are more and more, in the subway construction process, sand is one of more common building materials, and before the sand is used, screening equipment is needed to screen the sand so as to achieve the use standard required by the construction projects.

However, in the prior art, when the common sand screening device is used, the conveying and feeding of uniform-speed and uniform amount of sand cannot be controlled, caking caused by wetting in the sand cannot be broken up, the screening effect on the sand is poor, the screening speed is low, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a subway is sand screening installation for building has solved current sand screening installation and when using, can not control the at the uniform velocity even volume of sand and carry the feeding, can not break up the caking that produces because of weing in the sand moreover, and is not good to the screening effect of sand, and screening speed is slow, leads to the problem that work efficiency is low.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sand screening device for subway construction comprises a base, wherein four self-locking universal wheels are fixedly installed at the bottom of the base, the four self-locking universal wheels are symmetrically arranged in pairs, two supports are fixedly installed at the top of the base, the same material conveying cylinder is fixedly installed at the tops of the two supports and is arranged in an inclined manner, a feeding hopper is fixedly installed at the top of the material conveying cylinder, a discharging pipe is fixedly installed at the bottom of the material conveying cylinder, the feeding hopper and the discharging pipe are communicated with the inside of the material conveying cylinder, a rotating shaft is arranged in the material conveying cylinder, a spiral impeller is fixedly sleeved on the rotating shaft, a first motor is fixedly installed at one side of the material conveying cylinder, an installation hole is formed in the inner wall of one side, close to the first motor, one end of the rotating shaft penetrates through the installation hole and is fixedly connected with the output shaft end of the first motor, outside the top of slide extended to the spout, the top fixed mounting of two slides had same sieve case, the top of sieve case set up for the opening, it is located the top of sieve case to arrange the material pipe, sieve incasement fixed mounting has the screen cloth that the slope set up, set up the first discharge gate that is located the screen cloth below on one side inner wall of sieve case, one side fixed mounting of sieve case has the stock guide that is located first discharge gate below, the stock guide sets up for the slope, the equal fixed mounting in one side of two slides has the spring, the one end that corresponding slide was kept away from to two springs respectively with one side inner wall fixed connection of corresponding spout, one side fixed mounting of a slide in two slides has the fixing base, the top fixed mounting of base has the second motor, the output shaft fixed mounting of second motor has the cam, one side of cam contacts.

Preferably, a second discharge port located above the screen is formed in the inner wall of one side of the screen box, a baffle is fixedly mounted on one side of the screen box through a bolt, and the baffle is matched with the second discharge port.

Preferably, the top of base fixed mounting has U type guide bar, and two slides all slip the cover and establish on U type guide bar.

Preferably, a rectangular observation hole is formed in the inner wall of one side of the screen box, and an observation mirror is fixedly mounted in the rectangular through hole.

Preferably, a bearing seat is fixedly mounted on the inner wall of one side, away from the first motor, of the conveying cylinder, one end, away from the first motor, of the rotating shaft is rotatably mounted on the bearing seat, a bearing is fixedly sleeved on the rotating shaft, and an outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

Preferably, the bottom of two slides all rotates installs the gyro wheel, and the bottom of two gyro wheels respectively with the bottom inner wall rolling contact of corresponding spout.

(III) advantageous effects

The utility model provides a subway is husky screening installation for building. The method has the following beneficial effects:

(1) this subway screening installation for building, through setting up four auto-lock universal wheels, be convenient for promote this equipment and remove and place subaerial with stabilizing, through starting first motor work, first motor drives pivot and helical impeller and rotates, utilize helical impeller's rotation, can incline upward transportation to the sand along the incline direction of feed delivery cylinder, make the sand discharge and fall to the sieve of sieve incasement at the uniform velocity even quantity from arranging the material pipe, and utilize helical impeller to carry the sand, can break up the caking that produces because of weing in the sand, utilize the sieve to sieve the sand and filter, make the less sand of granule see through the mesh whereabouts on the sieve and discharge from first discharge gate, the more sand of granule persists on the sieve, thereby can carry the even quantity of sand at the uniform velocity to the sieve incasement and carry out the screening processing, and can break up the caking sand, can be used for screening sand better.

(2) This kind of sand screening installation for subway building, through starting second motor work, the second motor drives the cam and rotates, promote fixing base and one of them slide rotation during the cam rotates, make two slides drive the sieve case and remove, two spring atress warp and produce elasticity, according to the transmission characteristic of cam and under the elastic force of two springs, make two slides drive the sieve case and carry out horizontal reciprocating motion, the range of motion of sand on the screen cloth has been increased, can be faster sieve the sand, the screening efficiency to the sand has been improved, through the sight glass, can observe the sand screening condition of sieve incasement.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base; 2. a self-locking universal wheel; 3. a support; 4. a delivery cylinder; 5. a hopper; 6. a discharge pipe; 7. a rotating shaft; 8. a helical impeller; 9. a first motor; 10. a chute; 11. a slide plate; 12. a screen box; 13. screening a screen; 14. a first discharge port; 15. a material guide plate; 16. a spring; 17. a fixed seat; 18. a second motor; 19. a cam; 20. a second discharge port; 21. a baffle plate; 22. a U-shaped guide bar; 23. and a viewing mirror.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a sand screening device for subway construction comprises a base 1, four self-locking universal wheels 2 are fixedly installed at the bottom of the base 1, the four self-locking universal wheels 2 are symmetrically arranged in pairs, two brackets 3 are fixedly installed at the top of the base 1, the same material conveying cylinder 4 is fixedly installed at the tops of the two brackets 3, the material conveying cylinder 4 is arranged in an inclined manner, a feeding hopper 5 is fixedly installed at the top of the material conveying cylinder 4, a discharging pipe 6 is fixedly installed at the bottom of the material conveying cylinder 4, the feeding hopper 5 and the discharging pipe 6 are both communicated with the inside of the material conveying cylinder 4, a rotating shaft 7 is arranged in the material conveying cylinder 4, a spiral impeller 8 is fixedly sleeved on the rotating shaft 7, a first motor 9 is fixedly installed at one side of the material conveying cylinder 4, a mounting hole is formed in the inner wall of one side of the material conveying cylinder 4 close to the first motor 9, one end of the rotating shaft 7 penetrates through the mounting hole, sliding plates 11 are slidably mounted in the two sliding grooves 10, the tops of the sliding plates 11 extend out of the sliding grooves 10, the tops of the two sliding plates 11 are fixedly mounted with a same screen box 12, the top of the screen box 12 is open, the discharging pipe 6 is positioned above the screen box 12, an inclined screen 13 is fixedly mounted in the screen box 12, a first discharging port 14 positioned below the screen 13 is formed in the inner wall of one side of the screen box 12, a material guide plate 15 positioned below the first discharging port 14 is fixedly mounted on one side of the screen box 12, the material guide plate 15 is inclined, springs 16 are fixedly mounted on one side of the two sliding plates 11, one ends of the two springs 16 far away from the corresponding sliding plate 11 are fixedly connected with the inner wall of one side of the corresponding sliding grooves 10, a fixed seat 17 is fixedly mounted on one side of one sliding plate 11 of the two sliding plates 11, a second motor 18 is fixedly mounted on the top of the base 1, and, one side of the cam 19 is in contact with one side of the slide plate 11.

Set up the second discharge gate 20 that is located the screen cloth 13 top on one side inner wall of sieve case 12, there is baffle 21 one side of sieve case 12 through bolt fixed mounting,

baffle

21 and 20 looks adaptations of second discharge gate, base 1's top fixed mounting has U type guide bar 22, two slides 11 all slide the cover and establish on U type guide bar 22, the rectangle observation hole has been seted up on one side inner wall of sieve case 12, fixed mounting has observation mirror 23 in the rectangle through hole, fixed mounting has the bearing frame on one side inner wall that first motor 9 was kept away from to defeated feed cylinder 4, the one end that first motor 9 was kept away from in pivot 7 rotates and installs on the bearing frame, fixed cover is equipped with the bearing in pivot 7, the outer lane of bearing and the inner wall fixed connection of mounting hole, the gyro wheel is all rotated and installed to the bottom of two slides 11, the bottom of two gyro wheels respectively with the.

When in use, a control switch and an external power line are installed on the base 1, the first motor 9, the second motor 18, the control switch and the external power line are sequentially and electrically connected to form a loop, the control switch can respectively control the start and stop of the first motor 9 and the second motor 18, the two supports 3 have different heights, the four self-locking universal wheels 2 are arranged to facilitate the equipment to move and stably place on the ground, the power is switched on, the first motor 9 is started to work, the first motor 9 drives the rotating shaft 7 and the spiral impeller 8 to rotate, sand is poured into the charging hopper 5 to fall into the material conveying cylinder 4, the sand is obliquely and upwards conveyed along the oblique direction of the material conveying cylinder 4 under the rotating action of the spiral impeller 8, the sand is uniformly discharged from the discharge pipe 6 and falls onto the screen 13 in the screen box 12, and the spiral impeller 8 is utilized to convey the sand, caking in sand caused by wetting can be broken up, the sand is screened and filtered by the screen 13, the sand with smaller particles falls through meshes on the screen 13 and is discharged from the first discharge hole 14, the sand with smaller particles slides under the flow guiding action of the guide plate 15, the sand with larger particles is reserved on the screen 13, the sand can be uniformly conveyed into the screen box 12 at a constant speed for screening treatment, the caking sand can be broken up and can be better screened, by starting the second motor 18 to work, the second motor 18 drives the cam 19 to rotate, the cam 19 pushes the fixed seat 17 and one of the sliding plates 11 to rotate when rotating, so that the two sliding plates 11 drive the screen box 12 to move, the two sliding plates 11 drive the U-shaped guide rod 22 to slide, the two sliding plates 11 drive corresponding idler wheels to roll on the inner wall of the bottom of the corresponding sliding groove 10, the two springs 16 are deformed under force to generate elastic force, and during the continuous rotation of the cam 19, according to the transmission characteristic of the cam 19 and the elastic force of the two springs 16, so that the two sliding plates 11 drive the screen box 12 to horizontally reciprocate, the movement range of sand on the screen 13 is increased, thereby screening the sand more quickly, improving the screening efficiency of the sand, observing the screening condition of the sand in the screening box 12 through the observation mirror 23, after the sand screening is finished, the first motor 9 and the second motor 18 stop working, the bolts on the baffle plate 21 are disassembled, the baffle plate 21 is disassembled, the sand with larger particles can be discharged from the second discharge hole 20, so that the sand with larger particles can be conveniently taken out from the sieve box 12, and those not described in detail in this specification are well within the skill of those in the art.

In conclusion, the sand screening device for subway buildings is characterized in that the four self-locking universal wheels 2 are arranged, the sand screening device is convenient to push to move and stably place on the ground, the first motor 9 is started to work, the first motor 9 drives the rotating shaft 7 and the spiral impeller 8 to rotate, sand can be conveyed upwards in an inclined direction along the conveying cylinder 4 by utilizing the rotation of the spiral impeller 8, the sand is uniformly discharged from the discharging pipe 6 and falls onto the screen 13 in the screen box 12 at a constant speed, the sand is conveyed by utilizing the spiral impeller 8, lumps generated by dampness in the sand can be scattered, the sand is screened and filtered by utilizing the screen 13, the sand with smaller particles falls through meshes on the screen 13 and is discharged from the first discharge port 14, the sand with larger particles is reserved on the screen 13 at a constant speed, and the sand can be uniformly conveyed into the screen box 12 for screening treatment, and can break up the caking sand, can better sieve the sand, through starting second motor 18 work, second motor 18 drives cam 19 to rotate, promote fixing base 17 and one of them slide 11 to rotate when cam 19 rotates, make two slides 11 drive sieve case 12 and move, two springs 16 atress warp and produce elasticity, according to the transmission characteristic of cam 19 and under the spring action of two springs 16, make two slides 11 drive sieve case 12 and carry out horizontal reciprocating motion, increased the range of motion of sand on screen cloth 13, can sieve the sand faster, improve the screening efficiency to the sand, through observation mirror 23, can observe the sand screening condition in sieve case 12, the utility model has reasonable design, the practicality is good, can carry the even quantity of sand to sieve case 12 at the uniform velocity and sieve, and can break up the caking that produces because of weing in the sand, screening that can be better to the sand utilizes sieve case 12 to carry out horizontal reciprocating motion moreover, has increased the motion range of sand on screen cloth 13, can be faster sieve the sand, has improved the screening quality and the screening efficiency to the sand.

Claims

1. The utility model provides a sand screening installation for subway building, includes base (1), its characterized in that: the automatic feeding device is characterized in that four self-locking universal wheels (2) are fixedly mounted at the bottom of a base (1), the four self-locking universal wheels (2) are arranged in a pairwise symmetry manner, two supports (3) are fixedly mounted at the top of the base (1), the same feeding barrel (4) is fixedly mounted at the tops of the two supports (3), the feeding barrel (4) is arranged in an inclined manner, a charging hopper (5) is fixedly mounted at the top of the feeding barrel (4), a discharging pipe (6) is fixedly mounted at the bottom of the feeding barrel (4), the charging hopper (5) and the discharging pipe (6) are both communicated with the inside of the feeding barrel (4), a rotating shaft (7) is arranged in the feeding barrel (4), a spiral impeller (8) is fixedly sleeved on the rotating shaft (7), a first motor (9) is fixedly mounted at one side of the feeding barrel (4), a mounting hole is formed in one side of the inner wall, close to the first motor (9), one end of the rotating shaft (7) penetrates through, the top of the base (1) is provided with two sliding chutes (10), sliding plates (11) are arranged in the two sliding chutes (10) in a sliding manner, the top of each sliding plate (11) extends out of the corresponding sliding chute (10), the top of each sliding plate (11) is fixedly provided with the same screen box (12), the top of each screen box (12) is provided with an opening, a discharging pipe (6) is positioned above the screen box (12), a screen (13) which is obliquely arranged is fixedly arranged in the screen box (12), a first discharge hole (14) which is positioned below the screen (13) is arranged on the inner wall of one side of each screen box (12), a guide plate (15) which is positioned below the first discharge hole (14) is fixedly arranged on one side of each screen box (12), the guide plate (15) is obliquely arranged, springs (16) are fixedly arranged on one side of each sliding plate (11), one ends, far away from the corresponding sliding plates (11), of the two springs (16) are fixedly connected with, one side fixed mounting of one slide (11) in two slides (11) has fixing base (17), and the top fixed mounting of base (1) has second motor (18), and the output shaft fixed mounting of second motor (18) has cam (19), and one side of cam (19) contacts with one side of slide (11).

2. The sand screening apparatus for subway construction as claimed in claim 1, wherein: a second discharge port (20) located above the screen (13) is formed in the inner wall of one side of the screen box (12), a baffle (21) is fixedly mounted on one side of the screen box (12) through bolts, and the baffle (21) is matched with the second discharge port (20).

3. The sand screening apparatus for subway construction as claimed in claim 1, wherein: the top fixed mounting of base (1) has U type guide bar (22), and two slide (11) are all the slip cap and are established on U type guide bar (22).

4. The sand screening apparatus for subway construction as claimed in claim 1, wherein: a rectangular observation hole is formed in the inner wall of one side of the screen box (12), and an observation mirror (23) is fixedly mounted in the rectangular through hole.

5. The sand screening apparatus for subway construction as claimed in claim 1, wherein: the conveying cylinder (4) is fixedly mounted on the inner wall of one side far away from the first motor (9), one end of the rotating shaft (7) far away from the first motor (9) is rotatably mounted on the bearing seat, a bearing is fixedly sleeved on the rotating shaft (7), and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

6. The sand screening apparatus for subway construction as claimed in claim 1, wherein: the bottom of each sliding plate (11) is rotatably provided with a roller, and the bottom of each roller is in rolling contact with the inner wall of the bottom of the corresponding sliding chute (10).