CN112108360A

CN112108360A - Gravel screening device for earthwork construction and screening method thereof

Info

Publication number: CN112108360A
Application number: CN202010934936.7A
Authority: CN
Inventors: 王大榕; 汪建军; 辛园庆; 王星; 王婷
Original assignee: Ma'anshan Yuanchen Network Technology Co ltd
Current assignee: Binzhou Yizhuo Road Building Materials Co.,Ltd.
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-12-22
Anticipated expiration: 2040-09-08
Also published as: CN112108360B

Abstract

The invention discloses a sand and stone screening device for earthwork construction and a screening method thereof, wherein the sand and stone screening device comprises a shell, a water storage tank is arranged at the position, close to the bottom, of the right side of the shell, a water pipe is connected to the upper end of the water storage tank, a first box door is arranged at the position, close to the upper end, of the front end of the shell, a positioning bolt is arranged at the position, close to the upper edge of the first box door, of the front end of the shell, a vertical baffle is movably arranged on the positioning bolt, a supporting plate is arranged at the position, close to the lower edge of the box door, of the front end of the shell, a first; according to the invention, the sand and stone screening device is classified layer by layer according to the size of the sand and stone, so that the screening effect of the sand and stone screening device is effectively improved, and the screened sand and stone, soil and other impurities with different sizes can be conveniently taken out by workers respectively.

Description

Gravel screening device for earthwork construction and screening method thereof

Technical Field

The invention belongs to the field of earthwork engineering, and particularly relates to a sand and stone screening device for earthwork construction and a screening method thereof.

Background

The common earth and stone engineering is as follows: leveling a field, excavating a foundation pit and a pipe ditch, excavating a roadbed, excavating civil air defense engineering, filling soil in the terrace, filling the roadbed and backfilling the foundation pit; the construction plan is not arranged in rainy season as much as possible. Meanwhile, in order to reduce the construction cost of earthwork engineering, implement the principle of occupying less or no farmland and being beneficial to land improvement and field construction, a reasonable allocation scheme of earthwork is required to be made, and overall arrangement is carried out.

Grit sieving mechanism is used in construction of the cubic metre of earth and stone engineering on market can not be according to the size of grit classifying screen layer upon layer for the not thorough enough of screening, screening effect is relatively poor, is not convenient for take out the grit after the screening.

Disclosure of Invention

The invention aims to provide a sand and stone screening device for earthwork construction and a screening method thereof, and aims to solve the problems that the sand and stone screening device for earthwork construction in the market in the background technology cannot be used for screening according to the size of sand and stone layer by layer, so that screening is not thorough, the screening effect is poor, and the screened sand and stone are not convenient to take out.

In order to achieve the purpose, the invention provides the following technical scheme: a sand and stone screening device for earthwork construction and a screening method thereof comprise a shell, wherein a water storage tank is arranged at the position, close to the bottom, of the right side of the shell, a water pipe is connected to the upper end of the water storage tank, a first box door is arranged at the position, close to the upper end, of the front end of the shell, a positioning bolt is arranged at the position, close to the upper edge of the first box door, of the front end of the shell, a vertical baffle is movably arranged on the positioning bolt, a supporting plate is arranged at the position, close to the lower edge of the box door, of the front end of the shell, a first three groups of motors are arranged at;

a sprinkling plate is arranged at the top of a space between the inner side walls of the shell, a groove is formed in the inner side wall of the shell close to the middle position, a sliding rod is arranged between the side walls of the groove, sliding plates are sleeved on the sliding rod, a screening box is arranged between the two groups of sliding plates, and a material leakage port is formed in the bottom end of the interior of the screening box;

the inside bottom of screening case is provided with the lifting frame, lifting frame both sides are close to one end position and all are provided with the cross axle, be provided with the filter screen between the lifting frame lateral wall, it is provided with the diaphragm to be close to one side position between the screening incasement lateral wall, diaphragm one side is close to both ends position and all has seted up the through wires hole, the inside bottom of screening case is close to both sides position and all is provided with the spool, spool one end is provided with motor two, spool surface winding is provided with the rope, screening case one side has seted up chamber door three.

As a further scheme of the invention: the improved filter is characterized in that a triangular shaft is arranged between the side walls of the shell and close to the middle, a filter plate is arranged below the triangular shaft, rotating shafts are arranged on the two sides of the filter plate and close to the other side, two sets of sliding grooves are formed in the bottom end of the shell, sliding blocks are arranged in the sliding grooves, and a bearing box is arranged at the upper ends of the sliding blocks.

As a further scheme of the invention: the water storage tank is internally provided with a water pump, one end of the water pipe penetrates through the water storage tank and is connected with the water pump, the other end of the water pipe penetrates through the shell and is connected with the sprinkling plate, the bottom surface of the sprinkling plate is provided with a plurality of groups of sprinkling holes, and the sprinkling plate is positioned right above the screening tank.

As a further scheme of the invention: the surface of the sliding rod is wound with a spring, the upper end of the spring is fixedly connected with the bottom end of the sliding plate, the lower end of the spring is fixedly arranged with the bottom end inside the groove, and the screening box moves up and down along the sliding rod through the cooperation of the sliding plate and the spring.

As a further scheme of the invention: rope one end winding sets up on the spool surface, and the other end passes through the through wires hole and lifting frame fixed surface connection, the filter screen upper end is run through and is seted up a plurality of groups filtration pore, the screening incasement side wall is close to the bottom position and has all seted up the cross slot, the lifting frame passes through cross axle cooperation cross slot and screening case activity setting.

As a further scheme of the invention: the filter plate is movably arranged with the shell through a rotating shaft, and the filter plate is arranged in parallel with the screening box.

As a further scheme of the invention: a hinge is arranged between the first box door and the shell, the carrying box is movably arranged at the bottom end inside the shell through a sliding block matched with a sliding groove, and the upper end surface of the supporting plate is perpendicular to the side surface of the shell.

A screening method of a sand and stone screening device for earthwork construction comprises the following steps:

the method comprises the following steps: firstly, opening a second box door through a hinge, placing a slide block at the bottom end of an empty bearing box inside a sliding groove, then moving the slide block to the inside of a shell along the sliding groove and then closing the second box door, rotating a winding rotating shaft of a filter plate to a position which is parallel to the bottom end of the shell through a first starting motor, clockwise rotating a winding shaft of the second starting motor, rotating a lifting frame to the bottom end of the inside of a screening box around a transverse shaft, then closing the first box door, rotating a vertical baffle to the front end of the first box door around a positioning bolt, and filling the inside of a water storage box with water;

step two: during the use, add the grit to the screening incasement portion, a starter motor makes the triangle-shaped axle rotate, and the start-up water pump passes through the water pipe with the inside water of water storage box and the sprinkler plate removes to the screening incasement portion.

Compared with the prior art, the invention has the beneficial effects that:

1. through being provided with screening case and filter plate, through adding grit to the inside of the screening incasement portion, the start-up water pump removes the water of water storage box inside to the screening incasement portion through water pipe and watering board, can wash its inside grit, a starter motor makes the triangle-shaped axle rotate, can promote the screening case and reciprocate along the slide bar during the triangle-shaped axle rotation, wherein the spring can effectually slow down the speed that the screening case descends, make it can be the reciprocating motion of upper and lower circulation more steadily at the shell, the grit of this in-process screening incasement portion can rock from top to bottom, make can fully contact with rivers, the less impurity of volume can fall on the filter plate through the filter screen in the grit, earth in the grit can be at the effect of rivers inside the accepting case that flows, repeated above-mentioned process can sieve the grit according to the volume size well.

2. Through being provided with the lifting frame at screening incasement portion, through positioning bolt with vertical baffle rotation degree, the rethread hinge is opened chamber door one, chamber door one this moment is rotatory to the backup pad upper end round the hinge, wherein the backup pad can be to the chamber door supporting role well together, starter motor two, make the rope pass through the through wires hole winding on the spool surface, the lifting frame is rotatory round the cross axle this moment, at this in-process, thereby the grit of filter screen upper end rises gradually along with lifting frame one end and pushes away chamber door three from the filter screen surface landing, pass through the inside roll-off of chamber door one slave unit, the staff of being convenient for takes out screening back grit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall internal structure of the present invention.

Fig. 3 is a schematic view of the structure of a filter plate and a triangular shaft according to the present invention.

Figure 4 is a schematic view of the internal structure of the screening box of the present invention.

Fig. 5 is a schematic structural view of a lifting frame and a spool according to the present invention.

Fig. 6 is an overall front view of the present invention.

FIG. 1, a housing; 2. a water storage tank; 3. a water pipe; 4. a first box door; 5. positioning the bolt; 6. a vertical baffle; 7. a support plate; 8. a first motor; 9. a second box door; 10. a sprinkler plate; 11. screening the box; 12. a material leakage port; 13. lifting the frame; 14. filtering with a screen; 15. a box door III; 16. a transverse plate; 17. threading holes; 18. a horizontal axis; 19. a spool; 20. a second motor; 21. a triangular shaft; 22. filtering the plate; 23. a rotating shaft; 24. a receiving box; 25. a chute; 26. a slider; 27. a groove; 28. a slide bar; 29. a slide plate; 30. a rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, a sand and stone screening device for earthwork construction and a screening method thereof comprise a shell 1, wherein a water storage tank 2 is arranged at the position, close to the bottom, of the right side of the shell 1, a water pipe 3 is connected to the upper end of the water storage tank 2, a first box door 4 is arranged at the position, close to the upper end, of the front end of the shell 1, a positioning bolt 5 is arranged at the position, close to the upper edge of the first box door 4, of the front end of the shell 1, a vertical baffle 6 is movably arranged on the positioning bolt 5, a supporting plate 7 is arranged at the position, close to the lower edge of the first box door 4, of the front end of the shell 1, a first three sets;

as shown in fig. 6, a sprinkler plate 10 is arranged at the top of a space between the inner side walls of a shell 1, a groove 27 is formed in the inner side wall of the shell 1 near the middle position, a slide bar 28 is arranged between the side walls of the groove 27, slide plates 29 are sleeved on the slide bar 28, a screening box 11 is arranged between the two groups of slide plates 29, and a drain hole 12 is formed in the bottom end inside the screening box 11;

as shown in fig. 4-5, a lifting frame 13 is arranged at the bottom end inside the screening box 11, a transverse shaft 18 is arranged on each of two sides of the lifting frame 13 near one end, a filter screen 14 is arranged between the side walls of the lifting frame 13, a transverse plate 16 is arranged between the inner side walls of the screening box 11 near one side, threading holes 17 are formed in one side of the transverse plate 16 near two ends, winding shafts 19 are arranged on each of the bottom ends inside the screening box 11 near two sides, a second motor 20 is arranged at one end of each of the winding shafts 19, a rope 30 is wound on the surfaces of the winding shafts 19, and a third box door.

As shown in fig. 2-3, a triangular shaft 21 is disposed between the side walls of the housing 1 near the middle position, a filter plate 22 is disposed below the triangular shaft 21, rotating shafts 23 are disposed on both sides of the filter plate 22 near the other side, two sets of sliding grooves 25 are disposed at the bottom end of the housing 1, sliding blocks 26 are disposed in the sliding grooves 25, and a receiving box 24 is disposed at the upper end of the sliding blocks 26.

2 inside water pumps that are provided with of water storage box, 3 one ends of water pipe are passed water storage box 2 and are connected with the water pump, and 3 other ends of water pipe pass shell 1 and are connected with sprinkler plate 10, and a plurality of groups of watering holes have been seted up on sprinkler plate 10 bottom surface, and sprinkler plate 10 is located screening case 11 directly over, starts the water pump and passes through water pipe 3 and sprinkler plate 10 with 2 inside water of water storage box and remove to screening case 11 inside, can wash its inside grit.

The surface of the sliding rod 28 is wound with a spring, the upper end of the spring is fixedly connected with the bottom end of the sliding plate 29, the lower end of the spring is fixedly arranged with the bottom end inside the groove 27, and the screening box 11 moves up and down along the sliding rod 28 through the sliding plate 29 and the spring.

Rope 30 one end winding sets up on 19 surfaces of spool, the other end passes through wires hole 17 and lifting frame 13 fixed surface is connected, filter screen 14 upper end is run through and has been seted up a plurality of groups filtration pore, the cross slot has all been seted up near the bottom position to screening case 11 inside wall, lifting frame 13 passes through cross axle 18 cooperation cross slot and screening case 11 activity setting, starter motor two 20, make rope 30 pass through wires hole 17 winding on 19 surfaces of spool, lifting frame 13 is rotatory round cross axle 18 this moment, in this process, the grit of filter screen 14 upper end rises gradually along with lifting frame 13 one end thereby from filter screen 14 surface landing and push away chamber door three 15, pass through chamber door one 4 from the inside roll-off of device again.

Two sets of triangle axles 21 parallel arrangement each other, triangle axle 21 one end is connected with motor 8, filter plate 22 passes through rotation axis 23 and shell 1 activity setting, filter plate 22 and screening case 11 parallel arrangement each other, triangle axle 21 can promote screening case 11 and reciprocate along slide bar 28 during rotatory, wherein the speed that screening case 11 descends can effectually be slowed down to the spring, make it can do up-and-down motion of circulation more steadily at shell 1, the grit of screening case 11 inside can rock from top to bottom at this in-process, make can fully contact with rivers.

A hinge is arranged between the first box door 4 and the shell 1, the receiving box 24 is movably arranged at the bottom end inside the shell 1 through a sliding block 26 matched with a sliding groove 25, and the upper end surface of the supporting plate 7 is perpendicular to the side surface of the shell 1.

The operating principle of the sand and stone screening device is as follows: firstly, the door II 9 is opened through a hinge, the slide block 26 at the bottom end of the vacant bearing box 24 is placed inside the sliding groove 25, then the slide block is moved to the inside of the shell 1 along the sliding groove 25 and then the door II 9 is closed, the filter plate 22 is rotated to the position which is parallel to the bottom end of the shell 1 through the starting motor I8, the starting motor II 20 is rotated clockwise around the winding shaft 19, the lifting frame 13 is rotated to the bottom end of the inside of the screening box 11 around the transverse shaft 18, then the door I4 is closed, the vertical baffle 6 is rotated to the front end of the door I4 around the positioning bolt 5, the inside of the water storage box 2 is filled with water, when the water storage box is used, sand stones are added into the screening box 11, the water pump is started to move the water in the water storage box 2 to the inside of the screening box 11 through the water pipe 3 and the sprinkling plate 10, the sand stones in the screening box can be washed, the motor I8 is started to rotate the triangular shaft 21, wherein the spring can effectively slow down the descending speed of the screening box 11, so that the screening box can do reciprocating motion in the first casing 1 in an up-and-down circulation mode more stably, sand and stones in the screening box 11 can shake up and down in the process to be in full contact with water flow, impurities with small volume in the sand and stones can fall onto the filter plate 22 through the filter screen 14, soil in the sand and stones can flow into the receiving box 24 under the action of the water flow, the sand and stones can be well screened by repeating the process, the sand and stones with large volume are left in the screening box 11 after screening is finished, the sand and stones with small volume are left at the upper end of the filter plate 22, the impurities such as soil and water are stored in the receiving box 24, the second casing door 9 is firstly opened, the receiving box 24 with the impurities and water stored therein is taken out, the new receiving box 24 is placed, the filter plate 22 is rotated downwards around the rotating shaft 23 through the first motor 8, at the moment, the sand and stones with small volume at the upper end of the filter plate 22 can fall into, then taking out the bearing box 24, rotating the vertical baffle 6 by 180 degrees through the positioning bolt 5, opening the first box door 4 through the hinge, rotating the first box door 4 to the upper end of the supporting plate 7 around the hinge at the moment, wherein the supporting plate 7 can well support the first box door 4, starting the second motor 20, winding the rope 30 on the surface of the winding shaft 19 through the threading hole 17, rotating the lifting frame 13 around the transverse shaft 18 at the moment, and in the process, gradually lifting the sand and stone at the upper end of the filter screen 14 along with one end of the lifting frame 13 so as to slide down from the surface of the filter screen 14 and push away the third box door 15, and then sliding out from the inside of the device through the first box.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims

1. The sand and stone screening device for earthwork construction is characterized by comprising a shell (1), wherein a water storage tank (2) is arranged on the right side of the shell (1) and close to the bottom, a water pipe (3) is connected to the upper end of the water storage tank (2), a first box door (4) is arranged at the front end of the shell (1) and close to the upper end, a positioning bolt (5) is arranged at the front end of the shell (1) and close to the upper edge of the first box door (4), a vertical baffle (6) is movably arranged on the positioning bolt (5), a supporting plate (7) is arranged at the front end of the shell (1) and close to the lower edge of the first box door (4), three groups of first motors (8) are arranged at the front end of the shell (1) and close to the middle, and a second box door (9) is;

a sprinkling plate (10) is arranged at the top of a space between the inner side walls of the shell (1), a groove (27) is formed in the position, close to the middle, of the inner side wall of the shell (1), a sliding rod (28) is arranged between the side walls of the groove (27), sliding plates (29) are sleeved on the sliding rod (28), a screening box (11) is arranged between the two groups of sliding plates (29), and a material leakage port (12) is formed in the bottom end inside the screening box (11);

screening case (11) inside bottom is provided with lifting frame (13), lifting frame (13) both sides are close to one end position and all are provided with cross axle (18), be provided with filter screen (14) between lifting frame (13) lateral wall, be close to one side position between screening case (11) inside wall and be provided with diaphragm (16), through wires hole (17) have all been seted up near both ends position to diaphragm (16) one side, screening case (11) inside bottom is close to both sides position and all is provided with spool (19), spool (19) one end is provided with motor two (20), spool (19) surface winding is provided with rope (30), three (15) of chamber door have been seted up to screening case (11) one side.

2. The sand and stone screening device for earthwork construction according to claim 1, wherein a triangular shaft (21) is arranged between the side walls of the housing (1) near the middle position, a filter plate (22) is arranged below the triangular shaft (21), rotating shafts (23) are arranged at the positions of two sides of the filter plate (22) near the other side, two sets of sliding grooves (25) are arranged at the bottom end of the housing (1), sliding blocks (26) are arranged inside the sliding grooves (25), and a receiving box (24) is arranged at the upper ends of the sliding blocks (26).

3. The sand and stone screening device for earthwork construction according to claim 1, wherein a water pump is arranged in the water storage tank (2), one end of the water pipe (3) penetrates through the water storage tank (2) to be connected with the water pump, the other end of the water pipe (3) penetrates through the shell (1) to be connected with the sprinkling plate (10), a plurality of groups of sprinkling holes are arranged on the bottom end surface of the sprinkling plate (10), and the sprinkling plate (10) is positioned right above the screening tank (11).

4. The sand and stone screening device for earthwork construction according to claim 1, wherein the sliding rod (28) is wound with a spring on the surface, the upper end of the spring is fixedly connected with the bottom end of the sliding plate (29), the lower end of the spring is fixedly arranged with the bottom end inside the groove (27), and the screening box (11) moves up and down along the sliding rod (28) through the sliding plate (29) and the spring.

5. The sand and stone screening device for earthwork construction according to claim 1, wherein one end of the rope (30) is wound on the surface of the winding shaft (19), the other end of the rope passes through the threading holes (17) and is fixedly connected with the surface of the lifting frame (13), a plurality of groups of filtering holes are formed in the upper end of the filtering net (14) in a penetrating manner, transverse grooves are formed in the inner side wall of the screening box (11) close to the bottom, and the lifting frame (13) is movably arranged with the screening box (11) through the transverse shaft (18) in cooperation with the transverse grooves.

6. The sand and stone screening device for earthwork construction according to claim 2 wherein two sets of the triangular shafts (21) are arranged in parallel with each other, one end of the triangular shaft (21) is connected with the first motor (8), the filter plate (22) is movably arranged with the housing (1) through a rotating shaft (23), and the filter plate (22) and the screening box (11) are arranged in parallel with each other.

7. The sand and stone screening device for earthwork construction according to claim 1, wherein a hinge is arranged between the box door I (4) and the shell (1), the receiving box (24) is movably arranged at the bottom end inside the shell (1) through a sliding block (26) matched with a sliding groove (25), and the upper end surface of the support plate (7) is perpendicular to the side surface of the shell (1).

8. A screening method of a sand and stone screening device for earthwork construction is characterized by comprising the following steps:

the method comprises the following steps: firstly, a second box door (9) is opened through a hinge, a slide block (26) at the bottom end of an empty receiving box (24) is placed inside a sliding groove (25), then the slide block is moved to the inside of a shell (1) along the sliding groove (25) to close the second box door (9), a first starting motor (8) is used for rotating a filter plate (22) around a winding rotating shaft (23) to a position which is parallel to the bottom end of the shell (1), a second starting motor (20) rotates around a winding shaft (19) clockwise, a lifting frame (13) rotates around a transverse shaft (18) to the bottom end of the inside of a screening box (11), then the first box door (4) is closed, a vertical baffle (6) rotates around a positioning bolt (5) to the front end of the first box door (4), and the inside of a water storage box (2) is filled with water;

step two: during the use, add grit to inside screening case (11), start motor (8) make triangle-shaped axle (21) rotate, start the water pump and pass through water pipe (3) and sprinkler board (10) with the inside water of water storage box (2) and move to inside screening case (11).