CN112170205A

CN112170205A - Screening sand machine for building engineering

Info

Publication number: CN112170205A
Application number: CN202010948382.6A
Authority: CN
Inventors: 刘琼红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-01-05

Abstract

The invention discloses a sand screening machine for constructional engineering, which structurally comprises: the invention realizes the matching of the grid screen plate and the lining screen laminated plate wheel frame, the preliminary screening of sandy soil mixed with coarse and fine sands at the top by the grid screen plate, the sand screening of coarse sands and fine sands by the double screen plates of a razor, the stacking and shaking of a transverse frame plate and a bottom pad screen plate and the matching of an inner shaft wheel to form a differential rotation lifting effect, the settling of the turnover plate fine sands and the sand rolling operation of water washing caking to form synchronism, the later-stage coarse sand dumping top layer separation and bottom layer fine sand settling operation are facilitated, the fine sands of the water washing caking can effectively regulate and control the sand rolling interpenetration cutting amount by the razor needle plate, the fine sand mashing effect is realized, the water washing is facilitated to improve the cleanliness of sands, the dust entrainment is avoided to thicken the rolling friction coefficient, the construction engineering amount of sand screening is also improved, and the mixed amount of sands is reduced, purifying the quality of the coarse sand and the fine sand.

Description

Screening sand machine for building engineering

Technical Field

The invention relates to a sand screening machine for constructional engineering, and belongs to the field of buildings.

Background

The sand separating construction of the building engineering realizes the operation of the distribution and application of the thickness and the quality of sand grains, the fine sand mixed slurry is enabled to increase the particle hardness and the fluid consistency, the rigid hardness of coarse sand is enabled to fill a trace foundation, the coarse sand thickening operation of a pouring plate is realized, the fault hardness operation effect is guaranteed, the engineering sand amount pushing operation after the sand screening of the building is promoted, and the common defects to be optimized in the prior art are as follows:

the fine sand and the coarse sand of the building have respective purposes, the fine sand is used for blending slurry thickening and is efficient, the coarse sand is used for pouring the ventilating and sealing efficiency of the panel, but the fine sand is agglomerated and condensed when meeting water, and the soft filtering phenomenon is easily generated when the water is washed and the sand is sieved on the sand sieving surface, so that the condition that the granular feelings of the coarse sand and the agglomerated fine sand slide down all the time is caused, the coarse sand mixed with the water-containing fine sand when plates are poured in later-stage building engineering causes the sealed pouring plates to cut off the slurry filling amount, the flowing quality of the plate fault sand is too thick, the building hardness coefficient is interfered, and certain hidden danger is generated on the engineering safety index.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a sand screening machine for construction engineering, which aims to solve the problems that fine sand and coarse sand of a building have different purposes, the fine sand is used for blending slurry thickening efficiency, the coarse sand is used for casting a panel for ventilating and sealing high efficiency, but the fine sand is agglomerated and coagulated when meeting water and is easy to generate a soft filtering phenomenon when washing the screened sand on a sand screening surface, so that the particle sense of the coarse sand and the agglomerated fine sand slides down all the time, the coarse sand mixed with the fine sand containing water when casting a plate block in later construction engineering causes a sealing casting plate to cut off the slurry filling amount, the fault sand of the plate block has too thick flowing quality, the building hardness coefficient is interfered, and a certain hidden danger is generated on an engineering safety index.

In order to achieve the purpose, the invention is realized by the following technical scheme: a sand screening machine for construction engineering, the structure thereof includes: the material hopper comprises a hopper groove, a grid screen plate, a supporting frame, a lining screen stacking plate wheel frame, a conveyor belt and a fine sand frame cylinder, wherein the lining screen stacking plate wheel frame is mechanically connected with the conveyor belt and is positioned on the same vertical surface, the lining screen stacking plate wheel frame is inserted and embedded in the hopper groove, the grid screen plate is embedded and embedded in the top of the hopper groove, the hopper groove is installed on the top of the supporting frame and is vertical to each other, the supporting frame and the fine sand frame cylinder are in clearance fit, the conveyor belt is installed on the front side of the fine sand frame cylinder and is positioned on the same vertical surface, the lining screen stacking plate wheel frame is provided with a shaver double-screen plate, a limiting wheel spring plate, a roller sand brush plate, a winding and pressing sand-sinking belt, an inner shaft wheel and an outer frame disc, the shaver double-screen plate is movably connected with the limiting wheel spring plate, the shaver double-screen plate is mechanically connected with the inner shaft of the turbine, the inner shaft wheel and the outer frame, the winding pressure sand settling belt is inserted and embedded under the bottom of the inner shaft wheel, the limiting wheel spring plate and the roller sand brushing plate are respectively provided with two limiting wheel spring plates and are respectively tightly attached to the left side and the right side of the outer frame disc, and the inner shaft wheel is mechanically connected with the conveying belt and is positioned on the same vertical surface.

In order to optimize the technical scheme, the method further comprises the following steps:

as a further improvement of the invention, the razor double-sieve plate consists of a torsion spring wire, a razor needle plate, a cross frame plate and a bottom bolster plate, wherein the torsion spring wire is mechanically connected with the razor needle plate, the razor needle plate is inserted and embedded in the cross frame plate, and the cross frame plate is tightly attached to the top surface of the bottom bolster plate and is positioned on the same horizontal plane.

As a further improvement of the invention, the razor needle plate consists of a flat frame groove, a hoisting screw frame, a roller screen ball and a trapezoidal side needle plate, wherein the flat frame groove and the hoisting screw frame are in interference fit, the roller screen ball is mechanically connected with the flat frame groove, and the flat frame groove is inserted and embedded in the trapezoidal side needle plate and is positioned on the same vertical surface.

As a further improvement of the invention, the limiting wheel spring plate consists of a limiting wheel groove, an inclined spring plate and a trapezoidal column plate, wherein the limiting wheel groove and the inclined spring plate are buckled together, and the inclined spring plate is arranged on the front side of the trapezoidal column plate and is positioned on the same vertical plane.

As a further improvement of the invention, the limiting wheel groove consists of an inclined frame rod, a curved spring rod, a gradient balancing weight and a limiting petal grooved wheel, the inclined frame rod is movably connected with the curved spring rod, and the gradient balancing weight and the inclined frame rod are respectively arranged on the left side and the right side of the limiting petal grooved wheel and are positioned on the same vertical surface.

As a further improvement of the invention, the roller sand brush plate consists of a roller sand ellipsoid bag, a strip groove brush plate and a movable pulley, wherein the roller sand ellipsoid bag is arranged inside the strip groove brush plate, and the strip groove brush plate is mechanically connected with the movable pulley and is positioned on the same vertical plane.

As a further improvement of the sand rolling ellipsoid capsule, the sand rolling ellipsoid capsule consists of a lattice groove cap, a spring tube, a sand conveying pipeline tube barrel and an ellipsoid capsule groove, wherein the lattice groove cap and the sand conveying pipeline tube barrel are respectively nested at the upper side and the lower side of the spring tube, the axes of the lattice groove cap and the sand conveying pipeline tube barrel are collinear, and the spring tube is inserted and nested in the ellipsoid capsule groove.

As a further improvement of the invention, the winding and pressing sand-sinking belt consists of a winding and pressing slider wheel and a bending moment bridle, the winding and pressing slider wheel is buckled with the bending moment bridle, and the winding and pressing slider wheel is arranged inside the bending moment bridle and is positioned on the same cambered surface.

As a further improvement of the invention, the winding and pressing slide block wheel consists of a flat bag slide block, a hanging wheel column block, a shoe clamping guide block and a rail rod wheel groove, wherein the flat bag slide block is mechanically connected with the rail rod wheel groove, the hanging wheel column block and the rail rod wheel groove are in clearance fit and are positioned on the same vertical surface, and the shoe clamping guide block is mechanically connected with the rail rod wheel groove.

As a further improvement of the invention, the trapezoidal side needle plate is of a trapezoidal inclined plane razor plate structure with the needle body on the left side, so that the blade surface of the razor plate and the needle body can conveniently form spun yarns for shaving water absorption caking, and the dredging, settling, staggered extruding and sand kneading effects are realized.

As a further improvement of the invention, the limiting flap grooved wheel is of a wheel groove structure that the bottom flap groove wraps and presses the left and right backing plates, so that the wheel guide can conveniently hoist the spread angle jacking plate block to form an up-and-down lifting micro-swing amplitude effect, and the washing angle of the screened sand can be effectively subjected to water receiving and coarse sand conveying material overturning operation effects.

As a further improvement of the sand conveying pipeline barrel, the sand conveying pipeline barrel is of a barrel structure that the bundle pipes are inserted and superposed in the barrel grooves to dredge fine sand to be conducted one by one, so that the sand conveying pipeline barrel can conveniently regulate and control the line distance of sand grains one by one, and the secondary sieving operation effect of fine sand sorting treatment is guaranteed.

As a further improvement of the invention, the flat bag slide block is of a slide block structure with an ellipsoidal flat bag adjusting base column block at the top, so that fine sand load settling slide brushes can be conveniently propped up and down for unloading, and then reset and lifting are carried out to form a slide block wheel-guided reciprocating sand settling feeding effect.

Advantageous effects

The invention relates to a sand screening machine for construction engineering, wherein a worker puts mixed sand into a grid screen plate at the top of a hopper groove, after slowly screening the leaked sand, secondarily divides coarse sand and fine sand in a lining screen laminated plate wheel carrier at the top of a support frame and a fine sand frame cylinder, and the previous filtering realizes the screening operation of most of stones, then drives a conveyor belt to carry out positive and negative rotation treatment by a starting motor to pull an inner shaft wheel in an outer frame disc to pull a shaver double-screen plate to carry out micro-motion overturning, so that a torsional spring wire pulls the shaver plate to clamp agglomerated fine sand after water washing in a transverse frame plate to dredge the water outlet rolling friction thermal conduction operation effect, then a bottom pad screen plate is permeated with sand and settled, and a hoisting screw frame is penetrated through a flat frame groove to drive rolling screen balls to roll fine sand in a trapezoidal side needle plate during the process, the grinding particle operation effect after fine sand agglomeration is ensured, and a limiting wheel groove of a limiting spring plate presses and buckles the bottoms of the inclined spring plate and a trapezoidal column plate, the lifting device is matched with a limiting valve grooved wheel to abut against the amplitude of a turning plate, the gradient balancing weight and the inclined frame rod are lifted left and right, the pressure-operated curved arc spring rod is reset in a bearing mode, the stability of micro-motion turning and swinging sand screening is guaranteed, the phenomenon of excessive secondary sand mixing of the turning material is avoided, the fine and coarse sand separation operation is improved, the rollers are driven by the roller sand brush plates on two sides of the pressure-operated sand settling belt to drive the roller sand oval ball bag and the strip groove brush plate to be in rolling brush, the spring pipe is sleeved on the hole lattice groove cap to conduct the spun yarn fluid settled at the top of the sand conveying pipe barrel, the stability of the oval ball bag groove roller rotating sand screening is guaranteed, the spun yarn settling and turning plate amplitude micro-motion operation effect of the sand screening machine for building engineering is improved, the mechanical sensitivity of.

The invention has the following advantages after operation:

the application grid sieve mesh plate is matched with a lining sieve stacked plate wheel carrier, sandy soil mixed with coarse sand and fine sand is primarily sieved at the top through the grid sieve mesh plate, then the coarse sand and the fine sand enter a shaver double-sieve plate to be sieved, a cross frame plate and a bottom pad mesh plate are overlapped and shaken to form a differential rotation lifting effect in cooperation with an inner shaft wheel, turning plate fine sand sinking flow and washing agglomeration and sand tumbling operation are achieved, synchronism is formed, coarse sand dumping top layer separation and bottom fine sand settling operation in the later period are facilitated, fine sand of washing agglomeration is guaranteed to be capable of effectively regulating and controlling rolling sand interpenetration cutting amount through a shaver needle plate, fine sand mashing effect is achieved, washing is facilitated, sand cleanliness is improved, dust is prevented from being entrained, rolling friction coefficient is thickened, building engineering amount of sand sieving sand is also improved, sand mixing amount of sand grains is reduced, and quality of coarse sand and fine sand is purified.

Drawings

Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a sand screening machine for construction engineering according to the present invention.

FIG. 2 is a detailed sectional structure diagram of the lining screening and stacking plate wheel frame, the shaver double-sieve plate, the limiting wheel spring plate, the roller sand brushing plate and the winding pressing sand-sinking belt.

Fig. 3 is a schematic cross-sectional view showing the operation of the razor needle board of the present invention.

Fig. 4 is a cross-sectional enlarged structural schematic view of the limiting wheel groove in the working state of the invention.

FIG. 5 is an enlarged cross-sectional view of the ellipsoid pocket of roll sand of the invention in its working state.

FIG. 6 is a cross-sectional view showing the inner structure of the wrapping and pressing slider wheel according to the present invention.

Description of reference numerals: hopper groove-1, grid sieve plate-2, support frame-3, lining sieve stacked plate wheel carrier-4, transmission belt-5, fine sand frame tube-6, razor double sieve plate-4A, limiting wheel spring plate-4B, roller sand brush plate-4C, winding and pressing sand belt-4D, inner shaft wheel-4E, outer frame plate-4F, torsion spring wire-4A 1, razor needle plate-4A 2, cross frame plate-4A 3, bottom pad screen plate-4A 4, flat frame groove-4A 21, hoisting wire frame-4A 22, rolling sieve ball-4A 23, trapezoidal side needle plate-4A 24, limiting wheel groove-4B 1, inclined spring plate-4B 2, trapezoidal column plate-4B 3, inclined frame rod-4B 11, curved spring rod-4B 12, gradient counter weight-4B 13, limiting valve-4B 14, Roller sand oval balloon-4C 1, strip groove brush plate-4C 2, movable pulley-4C 3, lattice groove cap-4C 11, spring tube-4C 12, sand conveying line tube barrel-4C 13, oval balloon groove-4C 14, winding and pressing slider wheel-4D 1, bending moment belt-4D 2, flat balloon slider-4D 11, hanging wheel column block-4D 12, shoe clamping guide block-4D 13 and rail bar wheel groove-4D 14.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows:

referring to fig. 1 to 6, the present invention provides a sand screening machine for construction engineering, which comprises: the high-speed automatic sand-screening and sand-rolling device comprises a hopper groove 1, a grid screen plate 2, a supporting frame 3, a lining screen laminated plate wheel frame 4, a conveyor belt 5 and a fine sand frame cylinder 6, wherein the lining screen laminated plate wheel frame 4 is mechanically connected with the conveyor belt 5 and is positioned on the same vertical surface, the lining screen laminated plate wheel frame 4 is inserted and embedded in the hopper groove 1, the grid screen plate 2 is embedded and embedded on the top of the hopper groove 1, the hopper groove 1 is installed on the top of the supporting frame 3 and is vertical to each other, the supporting frame 3 and the fine sand frame cylinder 6 are in clearance fit, the conveyor belt 5 is installed on the front side of the fine sand frame cylinder 6 and is positioned on the same vertical surface, the lining screen laminated plate wheel frame 4 is provided with a double-screen plate razor 4A, a limiting wheel spring plate 4B, a roller sand brush plate 4C, a winding and pressing sand-sinking belt 4D, an inner shaft wheel 4E and an outer frame disc 4F, the double-screen plate razor 4A is movably connected with the limiting wheel 4E, the inner shaft wheel 4E and the outer frame disc 4F are in clearance fit and the axes of the inner shaft wheel and the outer frame disc are collinear, the winding pressure sand settling belt 4D is inserted and embedded under the bottom of the inner shaft wheel 4E, the limiting wheel spring plate 4B and the roller sand brushing plate 4C are respectively provided with two limiting wheel spring plates and two roller sand brushing plates and are respectively tightly attached to the left side and the right side of the outer frame disc 4F, and the inner shaft wheel 4E is mechanically connected with the conveying belt 5 and is positioned on the same vertical surface.

Referring to fig. 2, the razor double-screen plate 4A is composed of torsion spring wires 4A1, a razor needle plate 4A2, a cross frame plate 4A3, and a bottom bolster plate 4A4, the torsion spring wires 4A1 are mechanically connected with the razor needle plate 4A2, the razor needle plate 4A2 is inserted into the cross frame plate 4A3, the cross frame plate 4A3 is closely attached to the top surface of the bottom bolster plate 4A4 and is located on the same horizontal plane, the limiting wheel spring plate 4B is composed of a limiting wheel groove 4B1, a sloping spring plate 4B2 and a trapezoidal column plate 4B3, the limiting wheel groove 4B1 is fastened with the sloping spring plate 4B2, the sloping spring plate 4B2 is installed on the front side of the trapezoidal column plate 4B3 and is located on the same vertical plane, the roller sand-brush plate 4C1 is composed of roller sand-shaped sand-ball capsules 4C1, a strip groove 4C2, a brush-shaped pulley 3, the roller sand-shaped sand-brush plate 4C-shaped sand-, the inclined spring plate 4B2 is used for pressing the strip groove brush plate 4C2 to form the operation of left and right limiting, centering, colliding and shaking sand, so that the sand screening amount of the building engineering is greatly reduced, and the sand screening effect is improved by the pull-out type rolling brush wheel after the component plates are filtered.

Referring to fig. 3, the razor blade plate 4a2 is composed of a flat frame groove 4a21, a hoisting screw frame 4a22, a rolling screen ball 4a23 and a trapezoidal side blade plate 4a24, the flat frame groove 4a21 and the hoisting screw frame 4a22 are in interference fit, the rolling screen ball 4a23 is mechanically connected with the flat frame groove 4a21, the flat frame groove 4a21 is inserted and embedded in the trapezoidal side blade plate 4a24 and is located on the same vertical plane, the trapezoidal side blade plate 4a24 is a trapezoidal inclined plane razor blade structure with a needle body on the left side, so that the blade surface and the needle body of the razor blade plate form a fine yarn for shaving and sucking water lumps, and the fine yarn is guided, settled, pressed and squeezed alternately, and kneaded and coagulated to form a sand roller and settled material separation operation effect by shaving and the rolling screen ball 4a23 in the trapezoidal side blade plate 4a24, thereby ensuring friction of sand moisture, improving feel of fine sand particles and homogeneity of the sand.

Referring to fig. 4, the limiting pulley groove 4B1 is composed of an oblique frame rod 4B11, a curved spring rod 4B12, a gradient counterweight 4B13, and a limiting flap sheave 4B14, the oblique frame rod 4B11 is movably connected with a curved spring rod 4B12, the gradient counterweight block 4B13 and the oblique frame rod 4B11 are respectively arranged at the left side and the right side of the limiting valve grooved wheel 4B14 and are positioned on the same vertical surface, the limiting flap grooved wheel 4B14 is a wheel groove structure with a bottom flap groove wrapping and pressing a left base plate and a right base plate, so that the wheel guide can conveniently hoist the spread angle jacking plate to form an up-and-down lifting micro-swing amplitude effect, the washing angle of the screened sand can be effectively used for receiving water and conveying coarse sand and turning over materials, the elastic jacking operation is formed by the aid of the gradient balancing weight 4B13 limiting sinking press fit curved arc spring rod 4B12, so that the whole maneuverability and the agility limiting degree are effectively and accurately regulated and controlled, the phenomenon that the plate is lifted, coarse sand is poured and reversely converged into a fine sand cylinder is avoided, and the high-efficiency micro-mobility of the amplitude of the sand grains of the vibrating screen is guaranteed.

Referring to fig. 5, the sand rolling ellipsoid capsule 4C1 is composed of a lattice groove cap 4C11, a spring tube 4C12, a sand conveying tube barrel 4C13 and an ellipsoid bag barrel 4C14, the lattice groove cap 4C11 and the sand conveying tube barrel 4C13 are respectively nested on the upper side and the lower side of the spring tube 4C12, the axes of the lattice groove cap and the sand conveying tube barrel are collinear, the spring tube 4C12 is inserted into the ellipsoid bag barrel 4C14, the sand conveying tube barrel 4C13 is a tube barrel structure in which a superimposed tube is inserted into the tube barrel to dredge fine sand particles one by one, the sand conveying tube is convenient to regulate and conduct the line distance of the sand dropping one by one, the secondary screening operation precision of the fine sand sorting process is guaranteed, the sand is leaked through the lattice groove cap 4C11 to the sand conveying tube barrel 4C13 to form a settling and particle by particle operation effect, and the screening of the fine sand is guaranteed.

The working process is as follows: the worker puts the mixed sand into the grid screen plate 2 at the top of the hopper groove 1, after sieving by slow sand leakage, carries out secondary coarse and fine sand distribution in the support frame 3 and the lining screen laminated plate wheel carrier 4 at the top of the fine sand frame cylinder 6, and the previous filtering realizes the sieving operation of most stones, then drives the conveyor belt 5 to rotate forward and backward by starting the motor to drag the inner shaft wheel 4E in the outer frame disk 4F to drag the double screen plates 4A of the razor to overturn slightly, so that the torsional spring wire 4A1 pulls the razor needle plate 4A2 to clamp the caked fine sand after clamping water in the transverse frame plate 4A3 to dredge the water-outlet rolling friction heat conduction operation effect, then the bottom pad screen plate 4A4 is enabled to permeate sand and settle, and during the process, the hoisting wire frame 4A22 is inserted through the flat frame groove 4A21 to drive the rolling screen ball 4A23 to roll the fine sand in the trapezoid side needle plate 4A24, the grinding particle operation effect after fine sand caked is ensured, and then the limiting wheel buckle 4B2 of the limiting wheel 4B is enabled to buckle the spring plate 734B and the bottom 4934B 4B, the limiting valve grooved wheel 4B14 is matched to abut against the turning plate in an amplitude manner, the gradient balancing weight 4B13 and the inclined frame rod 4B11 are lifted left and right, the pressing curved arc spring rod 4B12 bears the weight and resets, the stability of micro-motion tilting and swinging sand screening is guaranteed, the phenomenon of excessive secondary sand mixing during material overturning is avoided, coarse and fine sand fine separation operation is promoted, the roller sand brush plates 4C3 on two sides of the pressing sand settling belt 4D are used for driving the roller sand ellipsoid capsule 4C1 and the strip groove brush plate 4C2 to be in rolling brush, the hole lattice groove cap 4C11 is sleeved with the spring tube 4C12 to dredge the spun yarn fluid settled at the top, the stability of the elliptical ball bag groove 4C14 roller rotating sand screening is guaranteed, the spun yarn settling and turning plate amplitude micro-motion operation effect of the sand screening machine for building engineering is promoted, the machine sensitivity of the device is matched, and the high-strength sand purification effect is obtained.

Example two:

referring to fig. 1 to 6, the present invention provides a sand screening machine for construction engineering, which is otherwise the same as embodiment 1 except that:

referring to fig. 2, the winding and pressing sand-sinking belt 4D is composed of a winding and pressing slider wheel 4D1 and a bending moment belt 4D2, the winding and pressing slider wheel 4D1 is fastened with the bending moment belt 4D2, the winding and pressing slider wheel 4D1 is installed inside the bending moment belt 4D2 and is located on the same arc surface, and the winding and pressing slider wheel 4D1 is laminated and rolled on the bending moment belt 4D2 to form a multi-wheel winding and pressing operation effect of sinking fine sediment.

Referring to fig. 6, the winding-pressing slider wheel 4D1 is composed of a flat-bag slider 4D11, a hanging wheel column block 4D12, a shoe clamping guide block 4D13, and a rail wheel groove 4D14, the flat-bag slider 4D11 is mechanically connected to the rail wheel groove 4D14, the hanging wheel column block 4D12 and the rail wheel groove 4D14 are in clearance fit and on the same vertical plane, the shoe clamping guide block 4D13 is mechanically connected to the rail wheel groove 4D14, the flat-bag slider 4D11 is a slider structure with an ellipsoidal flat-bag adjusting base column block at the top, so as to conveniently push up and down the fine sand load settling sliding brush to unload, and then reset and lift to form a slider wheel-guided reciprocating fine sand feeding effect, and form an effect of centering top wheel arc operation on the fine sand grains through the flat-bag slider 4D11 and the hanging wheel column block 4D12, thereby ensuring that the counterweight realizes quantitative sliding-pulling operation of unloading.

After screening sand through the top bracing layering plate of earlier stage, the avris cooperation is pressed the dress and is formed counterpoint interior pressure screening sand operation effect, make the terminal around pressing the heavy husky area 4D around pressing slider wheel 4D1 roller turn moment band 4D2 to be channel extrusion effect internally, make flat capsule slider 4D11 and hanging wheel post piece 4D12 go up and down in rail pole race 4D14 and unload to the fine sand, and the spacing roof pressure effect of material passageway is obtained to the clamp boots guide block 4D13 of avris, the convenient channel operation effect of the fine sand pay-off of guarantee terminal side wheel pressure and perpendicular sliding pressure formation.

The invention achieves the purposes of matching the grid screen plate 2 with the lining screen stacked plate wheel frame 4, primarily screening sandy soil mixed with coarse sand and fine sand at the top by the grid screen plate 2, then enabling the coarse sand and the fine sand to enter the shaver double-screen plate 4A for screening the sand, enabling the transverse frame plate 4A3 and the bottom pad screen plate 4A4 to be overlapped and shaken to match with the inner shaft wheel 4E to form a differential rotation lifting effect, enabling the turnover plate fine sand settling flow and the water washing agglomeration sand rolling operation to form synchronism, facilitating the later pouring of the coarse sand, top layer separation and bottom layer fine sand settling operation, ensuring that the fine sand of the water washing agglomeration can effectively regulate and control the rolling sand interpenetration cutting amount by the shaver needle plate 4A2, realizing the fine sand mashing effect, facilitating the water washing, improving the cleanliness of sand grains, avoiding the entrainment of dust and thickening the rolling friction coefficient, improving the construction engineering amount of sand screening and reducing the mixed amount of the sand grains, the quality of coarse sand and fine sand is purified, so that the problems that fine sand and coarse sand of a building have different purposes, the fine sand is used for blending slurry thickening efficiency, the coarse sand is used for pouring a panel for ventilating and sealing high efficiency, but the fine sand is agglomerated and condensed when meeting water, a soft filtering phenomenon is easily generated when the water is used for washing the fine sand on a sand screening surface, so that the granular feeling of the coarse sand and the agglomerated fine sand slides down all the time, the coarse sand mixed with the fine sand containing water when a plate is poured in later-stage building engineering causes the sealing pouring plate to block the slurry filling amount, the flowing quality of block fault sand grains is too thick, the building hardness coefficient is interfered, and a certain hidden danger is generated on an engineering safety index are solved.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.

Claims

1. A sand screening machine for construction engineering, the structure thereof includes: hopper groove (1), grid sieve otter board (2), braced frame (3), lining sieve stack plate wheel carrier (4), conveyer belt (5), a fine sand frame section of thick bamboo (6), its characterized in that:

the lining and screening laminated plate wheel frame (4) is mechanically connected with the conveyor belt (5), the lining and screening laminated plate wheel frame (4) is inserted and embedded in the hopper groove (1), the grid screen plate (2) is embedded and embedded on the top of the hopper groove (1), the hopper groove (1) is installed on the top of the supporting frame (3), the supporting frame (3) is matched with the fine sand frame cylinder (6), and the conveyor belt (5) is installed on the front side of the fine sand frame cylinder (6);

the lining screen laminated plate wheel frame (4) is provided with a shaver double-sieve plate (4A), a limiting wheel spring plate (4B), a roller sand brush plate (4C), a winding and pressing sand settling belt (4D), an inner shaft wheel (4E) and an outer frame plate (4F);

razor double screen board (4A) and spacing wheel spring board (4B) swing joint, razor double screen board (4A) and interior arbor wheel (4E) mechanical connection, interior arbor wheel (4E) cooperatees with outrigger frame dish (4F), around pressing heavy sand belt (4D) insert inlay under the bottom of interior arbor wheel (4E), spacing wheel spring board (4B) and roller sand brush board (4C) all are equipped with two and hug closely respectively in the left and right sides of outrigger frame dish (4F), interior arbor wheel (4E) and conveyer belt (5) mechanical connection.

2. The sand screening machine for construction engineering according to claim 1, wherein: the double-sieve plate razor (4A) consists of a torsion spring wire (4A1), a razor needle plate (4A2), a cross frame plate (4A3) and a bottom bolster net plate (4A4), wherein the torsion spring wire (4A1) is mechanically connected with the razor needle plate (4A2), the razor needle plate (4A2) is inserted and embedded in the cross frame plate (4A3), and the cross frame plate (4A3) is tightly attached to the top surface of the bottom bolster net plate (4A 4).

3. The sand screening machine for construction engineering according to claim 2, wherein: razor faller (4A2) comprises flat frame groove (4A21), hoist and mount silk frame (4A22), roll screen ball (4A23), trapezoidal side faller (4A24), flat frame groove (4A21) cooperatees with hoist and mount silk frame (4A22), roll screen ball (4A23) and flat frame groove (4A21) mechanical connection, flat frame groove (4A21) is inserted and is inlayed in the inside of trapezoidal side faller (4A 24).

4. The sand screening machine for construction engineering according to claim 1, wherein: spacing wheel spring board (4B) comprises spacing wheel groove (4B1), oblique spring board (4B2), trapezoidal column board (4B3), spacing wheel groove (4B1) and oblique spring board (4B2) lock together, oblique spring board (4B2) are installed in the front side of trapezoidal column board (4B 3).

5. The sand screening machine for construction engineering according to claim 4, wherein: the limiting wheel groove (4B1) is composed of an oblique frame rod (4B11), a curved spring rod (4B12), a gradient balancing weight (4B13) and a limiting valve grooved wheel (4B14), the oblique frame rod (4B11) is movably connected with the curved spring rod (4B12), and the gradient balancing weight (4B13) and the oblique frame rod (4B11) are respectively installed on the left side and the right side of the limiting valve grooved wheel (4B 14).

6. The sand screening machine for construction engineering according to claim 1, wherein: roll husky brush board (4C) comprises roll husky oval sacculus (4C1), strip groove brush board (4C2), movable pulley (4C3), install in the inside of strip groove brush board (4C2) roll husky oval sacculus (4C1), strip groove brush board (4C2) and movable pulley (4C3) mechanical connection.

7. The sand screening machine for construction engineering according to claim 6, wherein: the roller sand oval sacculus (4C1) consists of a lattice groove cap (4C11), a spring tube (4C12), a sand conveying line tube barrel (4C13) and an oval sacculus groove (4C14), wherein the lattice groove cap (4C11) and the sand conveying line tube barrel (4C13) are respectively nested on the upper side and the lower side of the spring tube (4C12), and the spring tube (4C12) is inserted into the oval sacculus groove (4C 14).

8. The sand screening machine for construction engineering according to claim 1, wherein: around pressing sand belt (4D) and sinking by around pressing slider wheel (4D1), moment of flexure bridle (4D2) and forming, around pressing slider wheel (4D1) and moment of flexure bridle (4D2) lock together, around pressing slider wheel (4D1) and install in the inside of moment of flexure bridle (4D 2).

9. The sand screening machine for construction engineering according to claim 8, wherein: pressure slider wheel (4D1) comprise flat bag slider (4D11), hanging wheel post piece (4D12), press from both sides boots guide block (4D13), rail pole race (4D14), flat bag slider (4D11) and rail pole race (4D14) mechanical connection, hanging wheel post piece (4D12) cooperatees with rail pole race (4D14), press from both sides boots guide block (4D13) and rail pole race (4D14) mechanical connection.