CN113786984A

CN113786984A - Sand screening equipment for constructional engineering

Info

Publication number: CN113786984A
Application number: CN202011105811.XA
Authority: CN
Inventors: 王照兮; 唐勇; 伍鹏; 唐渊
Original assignee: Huaihua Yongsheng Construction Engineering Co ltd
Current assignee: Huaihua Yongsheng Construction Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-12-14

Abstract

The invention discloses sand screening equipment for constructional engineering, which comprises a sand storage tank, a support frame, a first sand screening assembly, a first sand collecting assembly and a vibration assembly, wherein the support frame is arranged on the sand storage tank; the supporting frame is used for supporting the sand storage tank; the sand storage tank is used for storing sand to be screened; the bottom of the sand storage tank is provided with a first outlet; the first sand screening assembly comprises a first screen box, a first screen frame, a first sliding rod and a second sliding rod; the first sieve box is positioned below the sand storage tank; the first sieve box is capable of receiving the outflow of sand from the first outlet; a first screen is arranged on one side surface of the first screen box; sand in the first screen box can be screened out of the first screen mesh; the sand screening equipment for the building engineering can realize mechanical and automatic sand screening, greatly reduce the labor intensity and occupy less manpower compared with manual sand screening, improve the sand screening efficiency and reduce the cost of the building engineering.

Description

Sand screening equipment for constructional engineering

Technical Field

The invention relates to the technical field of constructional engineering machinery, in particular to a sand screening device for constructional engineering.

Background

Sands are generally classified into natural sands and artificial sands. Rock particles with a particle size of 5mm or less, formed by the action of natural conditions (mainly rock weathering), are called natural sand. The artificial sand is made by crushing rock, and is generally not used due to high cost and more flaky and powdery substances.

Natural sand can be classified into river sand, sea sand and mountain sand according to the source of the sand. The mountain sand has rough surface, multi-edge angle of particles, high sand content, high organic impurity content and poor quality. The sea sand and river sand have smooth surfaces, but the sea sand has high salt content, has certain influence on concrete and mortar, and is relatively clean and widely applied.

The sand is one of the necessary raw materials for the current building construction, and on the building site, the sand can not be directly used due to uneven particle size when bought back, and the sand needs to be screened; at present, the sand screening treatment is manually completed, namely, workers operate a screen to screen sand, the sand screening efficiency is low, the labor intensity is high, more manpower is occupied, and the cost of constructional engineering is increased.

Disclosure of Invention

The invention mainly aims to provide sand screening equipment for building engineering, and aims to solve the problems that during the existing building construction, sand screening treatment is completed manually, sand screening efficiency is low, labor intensity is high, more manpower is occupied, and the cost of the building engineering is increased.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a sand screening device for constructional engineering comprises a sand storage tank, a support frame, a first sand screening assembly, a first sand collecting assembly and a vibration assembly;

the supporting frame is used for supporting the sand storage tank; the sand storage tank is used for storing sand to be screened; the bottom of the sand storage tank is provided with a first outlet; the first sand screening assembly comprises a first screen box, a first screen frame, a first sliding rod and a second sliding rod;

the first sieve box is positioned below the sand storage tank; the first sieve box is capable of receiving the outflow of sand from the first outlet; a first screen is arranged on one side surface of the first screen box; sand in the first screen box can be screened out of the first screen mesh; the first sliding rod and the second sliding rod are respectively and fixedly connected to 2 opposite outer side walls of the first screen box; the first and second slide bars are parallel to each other and both the first and second slide bars are parallel to the first screen;

the first screen frame is a rectangular frame; the first screen frame is horizontally arranged; the first screen frame is connected to the support frame;

two ends of the first sliding rod extend out of the first screen box; two ends of the second sliding rod extend out of the first sieve box; the first screen box is positioned in the first screen frame; the first sliding rod and the second sliding rod are slidably arranged through the first screen frame, so that the first screen box can horizontally move relative to the first screen frame;

the first sand-collecting assembly comprises a first collecting frame; the first aggregate frame is connected to the support frame; the first aggregate frame is positioned below the first sieve box; the first aggregate frame is used for collecting sand screened out from the first screen;

the vibration assembly comprises a connecting rod, a sleeve, a moving rod, a rotating wheel, a connecting rod and a first motor; the connecting rod is vertically arranged; the upper end of the connecting rod is fixedly connected with the outer wall of the first sieve box; the sleeve is horizontally and fixedly connected with the support frame; the moving rod is horizontally and slidably arranged in the sleeve in a matching way; the moving rod is parallel to the first sliding rod; the shift lever comprises a first end and a second end which are opposite; the rotating wheel is rotationally connected with the supporting frame;

one end of the connecting rod is hinged to the eccentric position of the rotating wheel; the other end of the connecting rod is hinged to the first end; the second end is hinged to the connecting rod; the first motor is used for driving the rotating wheel to rotate.

Preferably, the sand screening device further comprises a second sand screening assembly and a second sand collecting assembly; the second sand screening assembly comprises a second screen box, a second screen frame, a third sliding rod and a fourth sliding rod;

a second screen is arranged on one side surface of the second screen box; the sand in the second screen box can be screened out of the second screen; the third sliding rod and the fourth sliding rod are respectively and fixedly connected to 2 opposite outer side walls of the second screen box; the third and fourth slide bars are parallel to each other and both the third and fourth slide bars are parallel to the second screen;

the second screen frame is a rectangular frame; the second screen frame is horizontally arranged; the second screen frame is connected to the support frame;

two ends of the third sliding rod extend out of the second sieve box; two ends of the fourth sliding rod extend out of the second sieve box; the second screen box is positioned in the second screen frame; the third sliding rod and the fourth sliding rod are slidably arranged through the second screen frame, so that the second screen box can horizontally move relative to the second screen frame;

the second screen box is positioned below the first collecting frame; the first aggregate frame is provided with a second outlet; the second sieve box is capable of receiving sand flowing from the second outlet; the lower end of the connecting rod is fixedly connected with the outer side wall of the second sieve box; the moving rod is parallel to the third sliding rod;

the second sand-collecting component comprises a second collecting frame; the second aggregate box is located below the second screen box to collect sand screened from the second screen.

Preferably, the bottom of the sand storage tank is also connected with a first discharge pipe; the first outlet is communicated with the first discharge pipe; the first sieve box is configured to receive the outflowing sand from the first outlet by:

the side surface of the first screen box, which is opposite to the side surface provided with the first screen, is provided with a first inlet; the lower end of the first discharging pipe extends into the first inlet, and the pipe diameter of the first discharging pipe is smaller than the caliber of the first inlet.

Preferably, a first closure assembly for closing or opening the first outlet pipe is also provided; the first seal assembly comprises a first seal plate; the horizontal section of the first discharge pipe is rectangular; two opposite side walls of the first discharge pipe are respectively provided with a first sliding chute and a second sliding chute; the first runner and the second runner are parallel to each other; the first discharging pipe is also provided with a first slotted hole; the first seal plate is movably arranged in the first groove hole in a penetrating mode, and two sides of the first seal plate are respectively embedded in the first sliding groove and the second sliding groove in a sliding mode.

Preferably, the first sealing assembly further comprises a first pull ring connected to a rim of the first sealing plate located outside the first discharging pipe.

Preferably, a second discharge pipe communicated with the second outlet is arranged on the lower side surface of the first collecting frame; the second sieve box is configured to receive sand flowing from the second outlet:

a second inlet is formed in the side surface, opposite to the side surface provided with the second screen, of the second screen box; the lower end of the second discharging pipe extends into the second inlet, and the pipe diameter of the second discharging pipe is smaller than the caliber of the second inlet.

Preferably, the device further comprises a second closure assembly for closing or opening the second discharge pipe; the second seal assembly comprises a second seal plate; the horizontal section of the second discharge pipe is rectangular; a third sliding chute and a fourth sliding chute are respectively arranged on two opposite side walls of the second discharging pipe; the third and fourth chutes are parallel to each other; the second discharge pipe is also provided with a second slotted hole; the second seal plate is movably arranged in the second slotted hole in a penetrating mode, and two sides of the second seal plate are respectively embedded in the third sliding groove and the fourth sliding groove in a sliding mode.

Preferably, the second sealing assembly further comprises a second pull ring connected to a rim of the second sealing plate outside the second discharge tube.

Preferably, the support frame comprises a first vertical plate and a second vertical plate which are opposite to each other and are vertically arranged;

the first reel is connected between the first riser and the second riser; the first aggregate frame is connected between the first vertical plate and the second vertical plate; the second reel is connected between the first riser and the second riser.

Preferably, the sleeve and the first motor are both fixedly connected to the first vertical plate; the runner rotates and connects in the first riser.

Compared with the prior art, the invention at least has the following beneficial effects:

the sand screening equipment for the building engineering can realize mechanical and automatic sand screening, greatly reduce the labor intensity and occupy less manpower compared with manual sand screening, improve the sand screening efficiency and reduce the cost of the building engineering.

The specific working principle is as follows: firstly, raw material sand to be screened is placed into a storage tank, the raw material sand flows out from a first outlet and enters a first screen box, a first motor is started to drive a rotating wheel to rotate, so that a connecting rod is driven to rotate, a moving rod is driven to reciprocate, so that the connecting rod is driven to horizontally reciprocate, so that the first screen box is driven to horizontally reciprocate, sand in the first screen box is screened out from a first screen, and screened sand enters a first material collecting frame; thereby completing the whole sand screening operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic side view of a sand screening apparatus for construction engineering according to an embodiment of the present invention;

FIG. 2 is another schematic view of the sand sieving device for construction engineering in another angle structure;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a partial structural schematic view of an embodiment of a sand screening device for construction engineering.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				110	Supporting frame	120	First vertical plate
130	Second vertical plate	140	Sand storage tank
				150	First discharge pipe	160	First closing plate
170	First pull ring	210	First sieve box
				220	First screen frame	230	First slide bar
240	Second slide bar	250	First rotating shaft
				260	Second rotating shaft	270	Connecting rod
280	First aggregate frame	290	Second sealing cover
				310	Second discharge pipe	320	Second closing plate
330	Second pull ring	340	Second sieve box
				350	Second screen frame	360	Third slide bar
370	Fifth rotating shaft	380	Sixth rotating shaft
				390	Second aggregate frame	410	Fourth aggregate frame
420	Third aggregate frame	430	Third rotating shaft
				440	The fourth rotating shaft	450	First gear
460	Second gear	470	Second electric machine
				480	Sleeve pipe	490	Movable rod
510	Connecting rod	520	Rotating wheel
				530	First connecting frame	540	First motor
550	Second connecting frame	560	Third gear
				570	Fourth gear	580	Third electric machine
590	First sealing cover	610	Sixth gear
				620	Fourth electrical machine	630	Fifth gear
211	The first inlet

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a sand screening device for constructional engineering.

Referring to fig. 1 to 4, in an embodiment of a sand screening apparatus for construction engineering (hereinafter, referred to as sand screening apparatus), the sand screening apparatus includes a sand storage tank 140, a support frame 110, a first sand screening assembly, a first sand collecting assembly, and a vibrating assembly.

The support frame 110 is used for supporting the sand storage tank 140; the sand storage tank 140 is used for storing sand to be screened; the bottom of the sand storage tank 140 is provided with a first outlet (not shown); the first sand screening assembly includes a first screen box 210, a first screen frame 220, a first slide bar 230, and a second slide bar 240.

The first sieve box 210 is located below the sand storage tank 140; the first sieve box 210 can receive the outflow of sand from the first outlet; a side surface of the first sieve box 210 is provided with a first sieve (not shown); the sand in the first screen box 210 can be screened out of the first screen; the first slide bar 230 and the second slide bar 240 are fixedly connected to the opposite 2 outer sidewalls of the first sieve box 210, respectively; the first slide bar 230 and the second slide bar 240 are parallel to each other, and both the first slide bar 230 and the second slide bar 240 are parallel to the first screen.

The first screen frame 220 is a rectangular frame; the first screen frame 220 is horizontally arranged; the first screen frame 220 is connected to the supporting frame 110; both ends of the first slide bar 230 extend out of the first sieve box 210; both ends of the second slide bar 240 extend out of the first sieve box 210; first screen box 210 is located within first screen frame 220; the first sliding bar 230 and the second sliding bar 240 are slidably disposed through the first screen frame 220, so that the first screen box 210 can horizontally move relative to the first screen frame 220.

The first sand-collecting assembly includes a first collecting frame 280; the first material collecting frame 280 is connected to the supporting frame 110; the first collection frame 280 is located below the first sieve box 210; the first collection frame 280 is used to collect sand screened from the first screen.

The vibration assembly comprises a connecting rod 270, a sleeve 480, a moving rod 490, a rotating wheel 520, a connecting rod 510 and a first motor 540; the connecting rod 270 is vertically disposed; the upper end of the connecting rod 270 is fixedly connected to the outer wall of the first sieve box 210; the sleeve 480 is horizontally and fixedly connected to the support frame 110 through the second connecting frame 550; the moving rod 490 is horizontally and slidably arranged through the sleeve 480; the shift lever 490 is parallel to the first slide bar 230; the travel bar 490 includes opposing first (not numbered) and second (not numbered) ends; the wheel 520 is rotatably connected to the supporting frame 110 through the first connecting frame 530.

One end of the connecting rod 510 is hinged at the eccentric position of the rotating wheel 520; the other end of the link 510 is hinged to the first end; the second end is hinged to the connecting rod 270; the first motor 540 is used for driving the rotating wheel 520 to rotate.

The specific working principle is as follows: firstly, raw material sand to be screened is put into a storage tank, the raw material sand flows out from a first outlet and enters a first screening box 210, meanwhile, a first motor 540 is started to drive a rotating wheel 520 to rotate, so that a connecting rod 510 is driven to rotate, a moving rod 490 is driven to horizontally reciprocate, so that a connecting rod 270 is driven to horizontally reciprocate, so that the first screening box 210 is driven to horizontally reciprocate, sand in the first screening box 210 is screened out from a first screen, and screened sand enters a first collecting frame 280; thereby completing the whole sand screening operation.

In addition, the sand screening equipment also comprises a second sand screening assembly and a second sand collecting assembly; the second sand screening assembly includes a second screen box 340, a second screen frame 350, a third slide bar 360 and a fourth slide bar (not shown).

A side surface of the second sieve box 340 is provided with a second sieve (not shown); the sand in the second screen box 340 can be screened out of the second screen; the third slide bar 360 and the fourth slide bar are respectively fixedly connected to 2 opposite outer side walls of the second sieve box 340; the third slide bar 360 and the fourth slide bar are parallel to each other, and both the third slide bar 360 and the fourth slide bar are parallel to the second screen.

The second screen frame 350 is a rectangular frame; the second screen frame 350 is horizontally arranged; the second reel 350 is connected to the supporting frame 110; both ends of the third sliding bar 360 extend out of the second sieve box 340; both ends of the fourth sliding bar extend out of the second sieve box 340; second screen box 340 is located within second screen frame 350; the third sliding rod 360 and the fourth sliding rod are both slidably disposed through the second screen frame 350, so that the second screen box 340 can move horizontally relative to the second screen frame 350.

The second sieve box 340 is positioned below the first aggregate frame 280; the first material collecting frame 280 is opened with a second outlet (not shown); the second sieve box 340 can receive sand flowing out of the second outlet; the lower end of the connecting rod 270 is fixedly connected to the outer side wall of the second sieve box 340; the moving rod 490 is parallel to the third sliding rod 360.

The second sand-catchment assembly comprises a second catchment block 390; a second collection frame 390 is positioned below the second screen box 340 to collect sand screened from the second screen.

Through above-mentioned technical scheme, can realize the second grade and sieve sand, be about to follow the sand of the outflow in first album of material frame 280, sieve through second sieve case 340 once more, the screening principle is unanimous with above-mentioned principle, first motor 540 drives runner 520 and rotates promptly, thereby drive connecting rod 510 rotates, thereby the drive moves pole 490 horizontal reciprocating motion, thereby drive connecting rod 270 horizontal reciprocating motion, thereby the horizontal reciprocating motion of synchronous drive second sieve case 340, the sand in second sieve case 340 sieves out from the second screen cloth, the sand of sieving out gets into second album of material frame 390.

Meanwhile, the bottom of the sand storage tank 140 is also connected with a first discharge pipe 150; the first outlet is communicated with the first discharge pipe 150; the first sieve box 210 is configured to receive the outflow of sand from the first outlet by:

the side surface of the first sieve box 210 opposite to the side surface provided with the first sieve mesh is provided with a first inlet 211; the lower end of the first discharge pipe 150 extends into the first inlet 211, and the pipe diameter of the first discharge pipe 150 is smaller than the caliber of the first inlet 211. To prevent the first discharge pipe 150 from interfering with the reciprocating motion of the first sieve box 210.

Through the technical scheme, the structure that the first sieve box 210 can receive the flowing sand from the first outlet is perfected.

In addition, the sand screening apparatus further comprises a first closing assembly for closing or opening the first discharge pipe 150; the first closure assembly includes a first closure plate 160; the horizontal section of the first discharge pipe 150 is rectangular; two opposite side walls of the first discharge pipe 150 are provided with a first chute (not shown) and a second chute (not shown), respectively; the first sliding chute and the second sliding chute are parallel to each other; the first tapping pipe 150 is further provided with a first slotted hole (not shown); the first sealing plate 160 is movably inserted into the first slot, and two sides of the first sealing plate 160 are respectively slidably inserted into the first sliding groove and the second sliding groove. The first outlet pipe 150 can be closed or opened by manually moving the first closing plate 160 horizontally, so as to control the flow of sand from the sand storage tank 140.

Meanwhile, the first sealing assembly further includes a first pull ring 170, and the first pull ring 170 is connected to the edge of the first sealing plate 160 located outside the first discharge pipe 150. To facilitate manual manipulation of the first closure plate 160.

In addition, the lower side of the first collecting frame 280 is provided with a second outlet pipe 310 communicating with a second outlet (not shown); the second sieve box 340 is configured to receive sand flowing from the second outlet:

the side surface of the second sieve box 340 opposite to the side surface provided with the second sieve mesh is provided with a second inlet; the lower end of the second discharging pipe 310 extends into the second inlet, and the pipe diameter of the second discharging pipe 310 is smaller than the caliber of the second inlet. To prevent the second discharge pipe 310 from interfering with the reciprocating motion of the second sieve tank 340.

Through the technical scheme, the structure that the second sieve box 340 can receive sand flowing out of the second outlet is perfected.

Meanwhile, the sand screening device also comprises a second sealing component for sealing or opening the second discharge pipe 310; the second closure assembly includes a second closure plate 320; the horizontal section of the second discharge pipe 310 is rectangular; two opposite side walls of the second discharge pipe 310 are provided with a third chute (not shown) and a fourth chute (not shown), respectively; the third sliding chute and the fourth sliding chute are parallel to each other; the second discharging pipe 310 is further provided with a second slotted hole; the second sealing plate 320 is movably inserted into a second slot (not shown), and two sides of the second sealing plate 320 are slidably inserted into the third sliding groove and the fourth sliding groove, respectively. The second outlet pipe 310 can be closed or opened by manually moving the second closing plate 320 horizontally, so as to control the flow of sand from the first collection frame 280.

The second closure assembly also includes a second pull ring 330, and the second pull ring 330 is connected to the edge of the second closure plate 320 outside the second spout 310. To facilitate manual manipulation of the first closure plate 160.

Further, the support bracket 110 includes a first riser 120 and a second riser 130 that are opposed to each other and are both vertically disposed; the first screen frame 220 is connected between the first riser 120 and the second riser 130; the first collecting frame 280 is connected between the first vertical plate 120 and the second vertical plate 130; the second screen frame 350 is connected between the first riser 120 and the second riser 130. Sleeve 480 and first motor 540 are both attached to first riser 120; the runner 520 is rotatably connected to the first riser 120.

Through the technical scheme, the structure of the sand screening device is perfected.

Meanwhile, the sand screening equipment also comprises an inclined assembly; the tilting assembly includes a second motor 470, a first rotating shaft 250, a second rotating shaft 260, a first gear 450, a second gear 460, a third motor 580, a third rotating shaft 430, a fourth rotating shaft 440, a third gear 560, a fourth gear 570, a fourth motor 620, a fifth rotating shaft 370, a sixth rotating shaft 380, a fifth gear 630, a sixth gear 610, a third collecting frame 420, a fourth collecting frame 410, and a fifth collecting frame (not shown).

The first and second

rotating shafts

250 and 260 are located on the same horizontal line; the first rotating shaft 250 is fixedly connected to one side of the first screen frame 220; the second rotating shaft 260 is fixedly connected to the other side of the first screen frame 220; the first shaft 250 is rotatably connected to the first vertical plate 120 by a bearing, and the second shaft 260 is rotatably connected to the second vertical plate 130 by a bearing.

The first gear 450 is coaxially and fixedly sleeved on the first rotating shaft 250; the second motor 470 is fixedly connected to the first vertical plate 120; the output shaft of the second motor 470 is coaxially and fixedly sleeved with a second gear 460; the second gear 460 is engaged with the first gear 450; a third outlet (not shown) is formed in the side wall of the first sieve box 210, and a first sealing cover 590 (knob cover) capable of closing the third outlet is further disposed on the outer side wall of the first sieve box 210; the third collection frame 420 serves to collect sand flowing out of the third outlet.

Through above-mentioned technical scheme for this screening sand equipment can be sifted sand with first sieve case 210 and operate remaining sediment transfer to third collection frame 420 after accomplishing, and concrete theory of operation is: after the first sieve box 210 finishes sieving sand, the second motor 470 is started to drive the first rotating shaft 250 to rotate, so as to drive the first sieve box 210 to deflect, so that the third outlet is inclined downwards, and then the first sealing cover 590 is unscrewed, so that the sand slag in the first sieve box 210 can flow out to the third collecting frame 420 from the third outlet.

The third rotating shaft 430 and the fourth rotating shaft 440 are located on the same horizontal line; the third rotating shaft 430 is fixedly connected to one side of the first collecting frame 280; the fourth rotating shaft 440 is fixedly connected to the other side of the first collecting frame 280; the third shaft 430 is rotatably connected to the first vertical plate 120 by a bearing, and the fourth shaft 440 is rotatably connected to the second vertical plate 130 by a bearing.

The third gear 560 is coaxially fixed on the third rotating shaft 430; the third motor 580 is fixedly connected to the first vertical plate 120; the output shaft of the third motor 580 is coaxially and fixedly sleeved with a fourth gear 570; the fourth gear 570 and the third gear 560 mesh; a fourth outlet (not shown) is formed in the side wall of the first collecting frame 280, and a second sealing cover 290 (a knob cover) capable of closing the fourth outlet is further arranged on the outer side wall of the first collecting frame 280; the fourth collection frame 410 is used to collect sand flowing out of the fourth outlet.

Through the technical scheme, the sand screening device can transfer the sand collected in the first collecting frame 280 and flowing out of the first screen box 210 to the fourth collecting frame 410, and the specific working principle is as follows: after the first collecting frame 280 collects the sand flowing out of the first sieve box 210, the third motor 580 is started to drive the third rotating shaft 430 to rotate, so as to drive the first collecting frame 280 to deflect, so that the fourth outlet is inclined downwards, and then the second sealing cover 290 is unscrewed, so that the sand in the first collecting frame 280 can flow out of the fourth outlet to the fourth collecting frame 410.

The fifth rotating shaft 370 and the sixth rotating shaft 380 are located on the same horizontal line; the fifth rotating shaft 370 is fixedly connected to one side of the second screen frame 350; the sixth rotating shaft 380 is fixedly connected to the other side of the second screen frame 350; the fifth rotating shaft 370 is rotatably connected to the first vertical plate 120 through a bearing, and the sixth rotating shaft 380 is rotatably connected to the second vertical plate 130 through a bearing.

The fifth gear 630 is coaxially and fixedly sleeved on the fifth rotating shaft 370; the fourth motor 620 is fixedly connected to the first vertical plate 120; an output shaft of the fourth motor 620 is coaxially and fixedly sleeved with a sixth gear 610; the sixth gear 610 and the fifth gear 630 are engaged; a fifth outlet (not shown) is formed in the side wall of the second screen frame 350, and a third sealing cover (a knob cover, not shown) capable of closing the fifth outlet is further arranged on the outer side wall of the second screen frame 350; the fifth aggregate box is used for collecting sand flowing out of the fifth outlet.

Through above-mentioned technical scheme for this screening sand equipment can carry out secondary screening sand operation with second sieve case 340 and accomplish the back remaining husky sediment and shift to fifth collection frame, and concrete theory of operation is: after second sieve case 340 finishes screening sand, start fourth motor 620, drive fifth pivot 370 and rotate to drive second sieve case 340 and deflect, make the fifth export slope down, then unscrew the third sealed lid, can make the sediment in second sieve case 340 flow out to the fifth frame of gathering from the fifth export.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A sand screening device for constructional engineering is characterized by comprising a sand storage tank, a support frame, a first sand screening assembly, a first sand collecting assembly and a vibration assembly;

2. The sand screening device for construction engineering according to claim 1, further comprising a second sand screening assembly and a second sand collecting assembly; the second sand screening assembly comprises a second screen box, a second screen frame, a third sliding rod and a fourth sliding rod;

3. The sand screening device for the building engineering according to claim 1, wherein a first discharge pipe is further connected to the bottom of the sand storage tank; the first outlet is communicated with the first discharge pipe; the first sieve box is configured to receive the outflowing sand from the first outlet by:

4. The sand screening apparatus for construction engineering according to claim 3, further comprising a first closing assembly for closing or opening the first discharge pipe; the first seal assembly comprises a first seal plate; the horizontal section of the first discharge pipe is rectangular; two opposite side walls of the first discharge pipe are respectively provided with a first sliding chute and a second sliding chute; the first runner and the second runner are parallel to each other; the first discharging pipe is also provided with a first slotted hole; the first seal plate is movably arranged in the first groove hole in a penetrating mode, and two sides of the first seal plate are respectively embedded in the first sliding groove and the second sliding groove in a sliding mode.

5. The sand screening apparatus for construction engineering as claimed in claim 4, wherein said first sealing assembly further comprises a first pull ring connected to a rim of said first sealing plate located outside said first outlet pipe.

6. The sand screening device for the building engineering as claimed in claim 1, wherein the lower side surface of the first collecting frame is provided with a second discharging pipe communicated with the second outlet; the second sieve box is configured to receive sand flowing from the second outlet:

7. The sand screening apparatus for construction engineering according to claim 6, further comprising a second closure assembly for closing or opening the second discharge pipe; the second seal assembly comprises a second seal plate; the horizontal section of the second discharge pipe is rectangular; a third sliding chute and a fourth sliding chute are respectively arranged on two opposite side walls of the second discharging pipe; the third and fourth chutes are parallel to each other; the second discharge pipe is also provided with a second slotted hole; the second seal plate is movably arranged in the second slotted hole in a penetrating mode, and two sides of the second seal plate are respectively embedded in the third sliding groove and the fourth sliding groove in a sliding mode.

8. The sand screening apparatus for construction engineering as claimed in claim 7, wherein said second closure assembly further comprises a second pull ring connected to a rim of said second closure plate located outside said second outlet pipe.

9. The sand screening apparatus for construction engineering according to any one of claims 1 to 8, wherein the support frame comprises a first riser and a second riser which are opposite to each other and are both vertically disposed;

10. The sand screening apparatus for construction engineering as claimed in claim 9, wherein the casing and the first motor are both fixedly connected to the first riser; the runner rotates and connects in the first riser.