CN108889609A

CN108889609A - Sand classifying screening plant on a kind of construction site

Info

Publication number: CN108889609A
Application number: CN201810853063.XA
Authority: CN
Inventors: 刘黄莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-30
Filing date: 2018-07-30
Publication date: 2018-11-27

Abstract

The invention discloses sand classifying screening plants on a kind of construction site, including screen box, the upper surface of the screen box is provided with feed inlet, No. I discharge port is offered among the lower surface of the screen box, and supporting leg is fixedly installed at four corner locations of the lower surface of screen box, it is provided with dual evacuation mechanism in the present invention, decentralized processing can not only be carried out to the sandstone fallen when screening, the speed for also slowing sandstone whereabouts, improves screening efficiency；Provided with rotating bar and movable leaf, the gravity drive activity leaf rotation fallen using sandstone generates wind blows fugitive dust, carries out purified treatment to fugitive dust by adsorbing mechanism, improves the working environment quality of construction personnel；It provided with pulling mechanism, facilitates staff or so and drives screen movement, convenient for the larger particles sandstone blocked on removal sieve, additionally it is possible to accelerate the breakneck acceleration of sandstone, the device screening efficiency is high, and it is easy to operate, convenient for being widely popularized to market.

Description

Sand classifying screening plant on a kind of construction site

Technical field

The present invention relates to building field, sand classifying screening plant on specifically a kind of construction site.

Background technique

With the rapid development of social economy, people are increasing to the demand of house, lead to building trade increasingly The concern of more people is obtained, for a long time, effect of the people played in building trade is also increasing, most behaviour All it is to be operated by people, needs to carry out sizing screening to less amount of sandstone on some building sites, removes larger in sandstone Sandstone, to retain tiny sand, to meet the normal work of worker.

Chinese patent discloses a kind of Sand screen for building（Authorization Notice No. CN207515072U）, the patented technology packet Including rack, the top side of the rack are arranged with pipe sleeve, and disc spring is equipped in the pipe sleeve, and the other side of the rack is equipped with inclined The top of heart wheel, the motor axis connection of the eccentric wheel and No.1 motor, the disc spring and eccentric wheel is equipped with No.1 sieve, described Crossbeam is equipped on the inside of rack, the middle position of the crossbeam is vertically equipped with through-hole, bearing is equipped in the through-hole, in the bearing Equipped with shaft, the utility model passes through the setting of No.1 sieve and No. two sieves, and the thickness for sieving sand is allowed more to homogenize, Overall construction design is reasonable and simplifies, is very convenient when in use, effectively reducing and sieve husky at low cost and reduce its labor Fatigue resistance, but present sandstone, during screening, since sandstone is deposited in ground, internal sandstone is by extraneous moist The influence of environmental factor, assemble heap be bonded together so that sandstone primary screening after be not easy it, secondly, by sandstone from When feed inlet is poured into screen box, many dusts can be flown upward at gating location, long-term work can be to the lung of staff Portion causes to seriously endanger, finally, sandstone is in screening, biggish sandstone can block the mesh of sieve, to reduce the device Screening efficiency.Therefore, those skilled in the art provide sand classifying screening plant on a kind of construction site, to solve above-mentioned back The problem of being proposed in scape technology.

Summary of the invention

The purpose of the present invention is to provide sand classifying screening plants on a kind of construction site, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the present invention provides the following technical solutions：

Sand classifying screening plant on a kind of construction site, including screen box, feed inlet, supporting leg, No. I discharge port, No. II go out Material mouth, adsorbing mechanism, exhaust passage, I grade of dirt filtrating screen, II grade of dirt filtrating screen, No. III discharge port, rotating bar, pulling mechanism, strut, Hand lever, fixed frame, sliding slot, telescopic sleeve, reset spring, the first evacuation mechanism, fixed plate, spring, movable plate, protrusion, second Evacuate mechanism, the first sieve, the second sieve, sleeve, movable leaf, baffle, fixed block, buffer spring and buffer board, the screening The upper surface of case is provided with feed inlet, and No. I discharge port, and the lower surface of screen box are offered among the lower surface of the screen box Four corner locations at be fixedly installed with supporting leg, the front surface of the screen box is provided with No. II discharge port, and screens The front surface of case is equipped with adsorbing mechanism at No. II discharge port top position, and the rear surface of the screen box is provided with No. III The side surface insertion of discharge port, the screen box is equipped with rotating bar, and the side surface of screen box is close to rotating bar lower position Place's insertion is provided with pulling mechanism, and the inside of the screen box is disposed with the first evacuation mechanism, the second evacuation from top to bottom Mechanism, the first sieve and the second sieve, the mesh diameter of first sieve are greater than the mesh diameter of the second sieve.

As further scheme of the invention：The adsorbing mechanism includes exhaust passage, I grade of dirt filtrating screen and II grade of dust filtering Net, the inside of the adsorbing mechanism are equipped with exhaust passage, and the exhaust passage is internally provided with I grade of dirt filtrating screen, and exhaust passage Internal II grade of dirt filtrating screen, the exhaust passage and the screen box of being provided at I grade of dirt filtrating screen front position is consolidated by positioning bolt Fixed connection.

As further scheme of the invention：The rotating bar is through screen box, and the company of rotating bar and screen box The place of connecing is provided with bearing, and the outside of the rotating bar is socketed with sleeve, and the outside of the sleeve is equipped with movable leaf, the activity There are three the quantity of leaf is arranged altogether, and the angle between movable leaf is in 120 degree, the movable leaf with a thickness of 3-5mm.

As further scheme of the invention：The pulling mechanism includes strut, handlebar stem, fixed frame, sliding slot, stretches Casing and reset spring, the inside of the pulling mechanism are equipped with fixed frame, run through between two pieces of fixed frames and be equipped with handle Hand lever, the side of the handlebar stem are connected with strut, and one end and the baffle of the strut are connected and fixed, the inside of the fixed frame Sliding slot laterally is offered, and the inside of fixed frame corresponds to and is equipped with telescopic sleeve inside sliding slot, the outer cover of the telescopic sleeve It is connected to reset spring, and one end of telescopic sleeve is connected and fixed with handlebar stem.

As further scheme of the invention：First evacuation mechanism includes fixed plate, spring, movable plate and convex It rises, the inside of first evacuation mechanism is equipped with fixed plate, and the upper surface of the fixed plate is provided with spring, the spring Top is equipped with movable plate, and the upper surface of the movable plate is provided with protrusion, and the fixed plate and screen box pass through positioning bolt It is fixedly connected, the internal structure of first evacuation mechanism is consistent with the second evacuation internal structure of mechanism.

As further scheme of the invention：The two sides of first sieve are fixedly installed with baffle, and the first sieve One end of net is provided with fixed block, and the other end of first sieve is equipped with supporting block on inner wall below screen box, institute The buffer spring that is internally provided with of fixed block is stated, one end of the buffer spring is connected with buffer board, the shape of the fixed block In concave structure.

As further scheme of the invention：The angle of the fixed plate and horizontal plane is greater than 30 degree, and fixed plate Quantity be provided with two pieces altogether, the movable plate is a kind of component of PVC plastic material, and the height of the protrusion is 10-15mm.

As further scheme of the invention：The bottom end of the supporting leg is equipped with telescopic sleeve, telescopic sleeve it is outer Portion is socketed with damping spring, and the bottom end of telescopic sleeve is provided with universal wheel, and the outer surface of universal wheel is provided with non-slip texture.

Compared with prior art, the beneficial effects of the invention are as follows：It, not only can be right by the setting of dual evacuation mechanism The sandstone fallen when screening carries out decentralized processing, the speed of sandstone whereabouts is also slowed, so that sandstone will not be accumulated simultaneously On sieve, screening efficiency is improved；By rotating bar, the setting of sleeve and movable leaf, the gravity belt that can be fallen using sandstone Dynamic activity leaf rotation generates wind-force, and the air-flow of generation drives the fugitive dust for the sandstone generation that falls, and is carried out by adsorbing mechanism to fugitive dust net Change processing, improves the working environment quality of construction personnel；By the setting of pulling mechanism, staff or so drive is facilitated Sieve is moved, convenient for the larger particles sandstone blocked on removal sieve, additionally it is possible to accelerate the breakneck acceleration of sandstone, the building Sand classifying screening plant can carry out bulk classing screening to sandstone on building site, easy to operate, reduce construction personnel's Labor intensity, screening efficiency is high, convenient for being widely popularized to market.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of sand classifying screening plant on construction site；

Fig. 2 is the structural schematic diagram on a kind of construction site in sand classifying screening plant inside screen box；

Fig. 3 is the structural schematic diagram of rotating bar and sleeve installation in sand classifying screening plant on a kind of construction site；

Fig. 4 is a kind of structural schematic diagram of pulling mechanism in sand classifying screening plant on construction site；

Fig. 5 is the enlarged structure schematic diagram of part A in Fig. 2；

Fig. 6 is the enlarged structure schematic diagram of part B in Fig. 4.

In figure：1, screen box；2, feed inlet；3, supporting leg；4, No. I discharge port；5, No. II discharge port；6, adsorbing mechanism； 61, exhaust passage；62, I grade of dirt filtrating screen；63, II grade of dirt filtrating screen；7, No. III discharge port；8, rotating bar；9, pulling mechanism；91, it props up Bar；92, handlebar stem；93, fixed frame；94, sliding slot；95, telescopic sleeve；96, reset spring；10, the first evacuation mechanism；101, solid Fixed board；102, spring；103, movable plate；104, raised；11, the second evacuation mechanism；12, the first sieve；13, the second sieve；14, Sleeve；15, movable leaf；16, baffle；17, fixed block；18, buffer spring；19, buffer board.

Specific embodiment

Please refer to Fig. 1~6, in the embodiment of the present invention, sand classifying screening plant on a kind of construction site, including screen box 1, feed inlet 2, the discharge port 4, II of supporting leg 3, I discharge port 5, adsorbing mechanism 6,62, II grades of dirt filtrating screen of 61, I grades of exhaust passage Dirt filtrating screen 63, No. III discharge ports 7, rotating bar 8, pulling mechanism 9, strut 91, handlebar stem 92, fixed frame 93, sliding slots 94, telescopic Pipe 95, reset spring 96, first evacuate mechanism 10, fixed plate 101, spring 102, movable plate 103, protrusion 104, second and evacuate machine Structure 11, the first sieve 12, the second sieve 13, sleeve 14, movable leaf 15, baffle 16, fixed block 17, buffer spring 18 and buffer board 19, the upper surface of screen box 1 is provided with feed inlet 2, and No. I discharge port 4, and screen box 1 are offered among the lower surface of screen box 1 Lower surface four corner locations at be fixedly installed with supporting leg 3, the front surface of screen box 1 is provided with No. II discharge port 5, And the front surface of screen box 1 is equipped with adsorbing mechanism 6, the rear surface setting of screen box 1 at No. II 5 top position of discharge port There is No. III discharge port 7, the side surface insertion of screen box 1 is equipped with rotating bar 8, and the side surface of screen box 1 is under rotating bar 8 The insertion of the orientation place of setting is provided with pulling mechanism 9, and the inside of screen box 1 is disposed with the first evacuation mechanism 10, the from top to bottom Two evacuation mechanisms 11, the first sieve 12 and the second sieve 13, the mesh diameter of the first sieve 12 are greater than the mesh of the second sieve 13 Diameter, the bottom end of supporting leg 3 are equipped with telescopic sleeve, and the outside of telescopic sleeve is socketed with damping spring, and the bottom of telescopic sleeve End is provided with universal wheel, and the outer surface of universal wheel is provided with non-slip texture, and adsorbing mechanism 6 includes 61, I grades of exhaust passage dirt filtrating screen 62 With II grade of dirt filtrating screen 63, the inside of adsorbing mechanism 6 is equipped with exhaust passage 61, and exhaust passage 61 is internally provided with I grade of dirt filtrating screen 62, And the inside of exhaust passage 61 is provided with II grade of dirt filtrating screen 63, exhaust passage 61 and screen box 1 at I grade of 62 front position of dirt filtrating screen It is to be fixedly connected by positioning bolt.

In figures 1 and 3：Rotating bar 8 is provided with bearing through screen box 1, and the junction of rotating bar 8 and screen box 1, The outside of rotating bar 8 is socketed with sleeve 14, and the outside of sleeve 14 is equipped with movable leaf 15, and the quantity of movable leaf 15 is provided with three altogether It is a, and the angle between movable leaf 15 is in 120 degree, movable leaf 15 with a thickness of 3-5mm, pass through rotating bar 8, sleeve 14 With the setting of movable leaf 15, wind-force, the air-flow band of generation can be generated using the rotation of gravity drive activity leaf 15 that sandstone falls The fugitive dust of the dynamic sandstone generation that falls, the fugitive dust generated when by adsorbing mechanism 6 to batch turning carry out purified treatment, improve construction personnel Working environment quality, avoid staff and be chronically among flying dust environment, cause human lung absorb excessive dust and Damage.

In Fig. 1,2,4 and 6：Pulling mechanism 9 includes strut 91, handlebar stem 92, fixed frame 93, sliding slot 94, telescopic sleeve 95 and reset spring 96, the inside of pulling mechanism 9 is equipped with fixed frame 93, through being equipped with handlebar stem between two pieces of fixed frames 93 92, the side of handlebar stem 92 is connected with strut 91, and one end and the baffle 16 of strut 91 are connected and fixed, the inner transverse of fixed frame 93 Sliding slot 94 is offered, and the inside of fixed frame 93 corresponds to and is equipped with telescopic sleeve 95 inside sliding slot 94, the outside of telescopic sleeve 95 It is socketed with reset spring 96, and one end of telescopic sleeve 95 is connected and fixed with handlebar stem 92, the two sides of the first sieve 12 are fixed Baffle 16 is installed, and one end of the first sieve 12 is provided with fixed block 17, the other end of the first sieve 12 is under screen box 1 Supporting block is installed, fixed block 17 is internally provided with buffer spring 18, and one end of buffer spring 18 is connected with slow on square inner wall Punching 19, the shape of fixed block 17 are in concave structure, by the setting of pulling mechanism 9, facilitate staff or so and drive the One sieve 12 and the movement of the second sieve 13, convenient for removing the larger particles sandstone blocked on the first sieve 12 and the second sieve 13, The breakneck acceleration that can also accelerate sandstone, improves work efficiency.

In Fig. 2：First evacuation mechanism 10 includes fixed plate 101, spring 102, movable plate 103 and protrusion 104, and first dredges The inside for dissipating mechanism 10 is equipped with fixed plate 101, and the upper surface of fixed plate 101 is provided with spring 102, the top peace of spring 102 Equipped with movable plate 103, it is solid by positioning bolt that the upper surface of movable plate 103 is provided with protrusion 104, fixed plate 101 and screen box 1 Connection calmly, the internal structure and the second evacuation internal structure of mechanism 11 of the first evacuation mechanism 10 are consistent, fixed plate 101 and level The angle in face is greater than 30 degree, and the quantity of fixed plate 101 is provided with two pieces altogether, and movable plate 103 is a kind of PVC plastic material The height of component, protrusion 104 is 10-15mm, not only can be to the sand fallen when screening by the setting of dual evacuation mechanism Stone carries out decentralized processing, also slows the speed of sandstone whereabouts, so that sandstone will not be accumulated in the first sieve 12 and the simultaneously On two sieves 13, screening efficiency is improved.

The working principle of the invention is：Firstly, staff by rotating bar 8 through screen box 1, and in rotating bar 8 The junction of screen box 1 is provided with bearing, is socketed with sleeve 14 in the outside of rotating bar 8, the outside of sleeve 14 is equipped with work Movable vane 15, staff pour into sandstone in screen box 1 from feed inlet 2, and sandstone is fallen on movable leaf 15, and band moving sleeve 14 is turning It being rotated in lever 8, movable leaf 15 generates wind-force in the course of rotation, and the air-flow of generation drives the fugitive dust for the sandstone generation that falls, It being blown in exhaust passage 61, fugitive dust successively passes through I grade of dirt filtrating screen 62 and II grade of dirt filtrating screen 63, it is adsorbed by dual dirt filtrating screen, Purified treatment is carried out to fugitive dust by adsorbing mechanism 6, the working environment quality of construction personnel is improved, it is long-term to avoid staff Among flying dust environment, human lung is caused to absorb excessive dust and damage, secondly, the sandstone to fall from movable leaf 15 after Continuous to fall downwards, sandstone is fallen in the first evacuation mechanism 10, is fallen on movable plate 103, wherein the sandstone being condensed into blocks rides over It is broken up in protrusion 104, due to being provided with spring 102 between movable plate 103 and fixed plate 101, spring 102 is by gravity Under the action of, when will revert to original position in the state of being retracted to centainly, movable plate 103 will be bounced, so that Sandstone on movable plate 103 bounces, and continues to fall in the second evacuation mechanism 11, from the sandstone that bounces in the second evacuation mechanism 11 after Sandstone progress decentralized processing continuous to fall downwards, which falls when not only can be to screening avoids being condensed into blocks Sandstone influences the screening operation of staff, also slows the speed of sandstone whereabouts, so that sandstone will not be accumulated the simultaneously On one sieve 12 and the second sieve 13, screening efficiency is improved, finally, the biggish sandstone on the first sieve 12 is fallen, It is slipped to outside screen box 1 on first sieve 12 from No. II discharge port 5, tiny sandstone passes through the first sieve 12, continues to fall It falls on the second sieve 13, rolls on the second sieve 13 and slid away from No. III discharge port 7, most tiny sandstone is then Across the mesh of the second sieve 13, slides away, caught by corresponding receiver, staff from No. I discharge port 4 to following Handlebar stem 92 is caught to move to both sides, handlebar stem 92 moves in the sliding slot 94 on fixed frame 93, connects together with handlebar stem 92 Strut 91 drive the baffle 16 on the first sieve 12 to move, and since one end of the first sieve 12 is stuck in fixed block 17 Buffer board 19 between, buffer board 19 is connected on fixed block 17 by buffer spring 18, and the other end of the first sieve 12 is It rides in supporting block, so that the side-to-side movement of the first sieve 12 is completed, when handlebar stem 92 moves at certain position, by stretching The characteristic of casing 95 and reset spring 96 pushes handlebar stem 92 to keep in the center, which not only facilitates staff Left and right drives the first sieve 12 and the movement of the second sieve 13, eliminates larger blocked on the first sieve 12 and the second sieve 13 Granule stone, additionally it is possible to which the breakneck acceleration for accelerating sandstone improves the working efficiency of staff.

It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

1. sand classifying screening plant on a kind of construction site, including screen box（1）, which is characterized in that the screen box（1）'s Upper surface is provided with feed inlet（2）, the screen box（1）Lower surface among offer No. I discharge port（4）, and screen box（1） Lower surface four corner locations at be fixedly installed with supporting leg（3）, the screen box（1）Front surface be provided with No. II Discharge port（5）, and screen box（1）Front surface close to No. II discharge port（5）Adsorbing mechanism is installed at top position（6）, institute State screen box（1）Rear surface be provided with No. III discharge port（7）, the screen box（1）Side surface insertion rotating bar is installed （8）, and screen box（1）Side surface close to rotating bar（8）Lower position insertion is provided with pulling mechanism（9）, the screening Case（1）Inside be disposed with the first evacuation mechanism from top to bottom（10）, second evacuation mechanism（11）, the first sieve（12）With Second sieve（13）, first sieve（12）Mesh diameter be greater than the second sieve（13）Mesh diameter.

2. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that the adsorption machine Structure（6）Including exhaust passage（61）, I grade of dirt filtrating screen（62）With II grade of dirt filtrating screen（63）, the adsorbing mechanism（6）Inside be equipped with Exhaust passage（61）, the exhaust passage（61）Be internally provided with I grade of dirt filtrating screen（62）, and exhaust passage（61）Inside close to I grade Dirt filtrating screen（62）II grade of dirt filtrating screen is provided at front position（63）, the exhaust passage（61）With screen box（1）By positioning spiral shell Bolt is fixedly connected.

3. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that the rotating bar （8）Through screen box（1）, and rotating bar（8）With screen box（1）Junction be provided with bearing, the rotating bar（8）It is outer Portion is socketed with sleeve（14）, the sleeve（14）Outside movable leaf is installed（15）, the activity leaf（15）Quantity set altogether There are three setting, and movable leaf（15）Between angle be in 120 degree, the movable leaf（15）With a thickness of 3-5mm.

4. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that the pulling machine Structure（9）Including strut（91）, handlebar stem（92）, fixed frame（93）, sliding slot（94）, telescopic sleeve（95）And reset spring（96）, The pulling mechanism（9）Inside fixed frame is installed（93）, two pieces of fixed frames（93）Between through being equipped with handlebar stem （92）, the handlebar stem（92）Side be connected with strut（91）, the strut（91）One end and baffle（16）It is connected and fixed, The fixed frame（93）Inner transverse offer sliding slot（94）, and fixed frame（93）Inside correspond to sliding slot（94）Inside installation There is telescopic sleeve（95）, the telescopic sleeve（95）Outside be socketed with reset spring（96）, and telescopic sleeve（95）One end With handlebar stem（92）It is connected and fixed.

5. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that described first dredges Dissipate mechanism（10）Including fixed plate（101）, spring（102）, movable plate（103）And protrusion（104）, first evacuation mechanism （10）Inside fixed plate is installed（101）, the fixed plate（101）Upper surface be provided with spring（102）, the spring （102）Top movable plate is installed（103）, the movable plate（103）Upper surface be provided with protrusion（104）, the fixation Plate（101）With screen box（1）It is fixedly connected by positioning bolt, first evacuation mechanism（10）Internal structure with second dredge Dissipate mechanism（11）Internal structure it is consistent.

6. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that first sieve Net（12）Two sides be fixedly installed with baffle（16）, and the first sieve（12）One end be provided with fixed block（17）, described One sieve（12）The other end close to screen box（1）Supporting block, the fixed block are installed on the inner wall of lower section（17）Inside set It is equipped with buffer spring（18）, the buffer spring（18）One end be connected with buffer board（19）, the fixed block（17）Shape In concave structure.

7. sand classifying screening plant on a kind of construction site according to claim 5, which is characterized in that the fixed plate （101）It is greater than 30 degree, and fixed plate with the angle of horizontal plane（101）Quantity be provided with two pieces altogether, the movable plate（103） For a kind of component of PVC plastic material, the protrusion（104）Height be 10-15mm.

8. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that the supporting leg （3）Bottom end telescopic sleeve is installed, the outside of telescopic sleeve is socketed with damping spring, and the bottom end of telescopic sleeve is provided with ten thousand To wheel, the outer surface of universal wheel is provided with non-slip texture.