CN208912494U - Sand classifying screening plant on a kind of construction site - Google Patents

Abstract

The utility model 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 utility model, 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 utility model 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 (Authorization Notice No. CN207515072U) for building, 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.

Utility model content

The purpose of this utility model is to provide sand classifying screening plants on a kind of construction site, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model 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, II Number discharge port, adsorbing mechanism, exhaust passage, I grade of dirt filtrating screen, II grade of dirt filtrating screen, No. III discharge port, rotating bar, pulling mechanism, branch Bar, handlebar stem, fixed frame, sliding slot, telescopic sleeve, reset spring, first evacuation mechanism, fixed plate, spring, movable plate, protrusion, Second evacuation mechanism, the first sieve, the second sieve, sleeve, movable leaf, baffle, fixed block, buffer spring and buffer board, it is described The upper surface of screen box is provided with feed inlet, No. I discharge port is offered among the lower surface of the screen box, and under screen box Supporting leg is fixedly installed at four corner locations on surface, the front surface of the screen box is provided with No. II discharge port, and The front surface of screen box 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 discharge port, the side surface insertion of the screen box is equipped with rotating bar, and the side surface of screen box is below rotating bar Insertion is provided with pulling mechanism at position, and the inside of the screen box is disposed with the first evacuation mechanism, second from top to bottom Mechanism, the first sieve and the second sieve are evacuated, the mesh diameter of first sieve is greater than the mesh diameter of the second sieve.

The adsorbing mechanism includes exhaust passage, I grade of dirt filtrating screen and II grade of filter as a further solution of the present invention, Dirt 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 Inside be provided with II grade of dirt filtrating screen at I grade of dirt filtrating screen front position, the exhaust passage and screen box pass through positioning bolt It is fixedly connected.

The rotating bar is through screen box as a further solution of the present invention, and rotating bar and screen box Junction be provided with bearing, the outside of the rotating bar is socketed with sleeve, and the outside of the sleeve is equipped with movable leaf, described There are three the quantity of movable leaf is arranged altogether, and the angle between movable leaf is in 120 degree, the movable leaf with a thickness of 3- 5mm。

As a further solution of the present invention, the pulling mechanism include strut, handlebar stem, fixed frame, sliding slot, Telescopic sleeve and reset spring, the inside of the pulling mechanism are equipped with fixed frame, run through installation between two pieces of fixed frames There is handlebar stem, the side of the handlebar stem is connected with strut, and one end and the baffle of the strut are connected and fixed, the fixed frame Inner transverse offers sliding slot, and the inside of fixed frame corresponds to and is equipped with telescopic sleeve inside sliding slot, outside the telescopic sleeve Portion is socketed with reset spring, and one end of telescopic sleeve is connected and fixed with handlebar stem.

As a further solution of the present invention, it is described first evacuation mechanism include fixed plate, spring, movable plate and The inside of protrusion, first evacuation mechanism is equipped with fixed plate, and the upper surface of the fixed plate is provided with spring, the spring Top movable plate is installed, the upper surface of the movable plate is provided with protrusion, the fixed plate and screen box and passes through positioning spiral shell Bolt is fixedly connected, and the internal structure of first evacuation mechanism is consistent with the second evacuation internal structure of mechanism.

The two sides of first sieve are fixedly installed with baffle, and as a further solution of the present invention, One end of one sieve is provided with fixed block, and the other end of first sieve is equipped with support on inner wall below screen box Block, the fixed block are internally provided with buffer spring, and one end of the buffer spring is connected with buffer board, the fixed block Shape is in concave structure.

The angle of the fixed plate and horizontal plane is greater than 30 degree as a further solution of the present invention, and solid The quantity of fixed board is provided with two pieces altogether, and the movable plate is a kind of component of PVC plastic material, and the height of the protrusion is 10- 15mm。

The bottom end of the supporting leg is equipped with telescopic sleeve, telescopic sleeve as a further solution of the present invention, Outside be 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 anti-skid chequer Road.

Compared with prior art, the utility model has the beneficial effects that being not only only capable of by the setting of dual evacuation mechanism It is enough that decentralized processing is carried out to the sandstone fallen when screening, the speed of sandstone whereabouts is also slowed, so that sandstone will not be accumulated simultaneously Fall on sieve, improves screening efficiency；By rotating bar, the setting of sleeve and movable leaf, the weight that can be fallen using sandstone The rotation of power drive activity leaf generates wind-force, and the air-flow of generation drives the fugitive dust for the sandstone generation that falls, by adsorbing mechanism to fugitive dust into Row purified treatment improves the working environment quality of construction personnel；By the setting of pulling mechanism, staff or so is facilitated Sieve is driven to be moved, convenient for the larger particles sandstone blocked on removal sieve, additionally it is possible to accelerate the breakneck acceleration of sandstone, it should Sand classifying screening plant can carry out bulk classing screening to sandstone on construction site, easy to operate, reduce constructor The labor intensity of member, 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 utility model embodiment, sand classifying screening plant on a kind of construction site, including sieve Select case 1, feed inlet 2, the discharge port 4, II of supporting leg 3, I discharge port 5, adsorbing mechanism 6,61, I grades of exhaust passage dirt filtrating screen 62, II grade of dirt filtrating screen, 63, No. III discharge ports 7, pulling mechanism 9, strut 91, handlebar stem 92, fixed frame 93, sliding slot 94, are stretched at rotating bar 8 Heat-Shrinkable Tubings 95, reset spring 96, first are evacuated mechanism 10, fixed plate 101, spring 102, movable plate 103, protrusion 104, second and are dredged It is gentle to dissipate mechanism 11, the first sieve 12, the second sieve 13, sleeve 14, movable leaf 15, baffle 16, fixed block 17, buffer spring 18 Punching 19, the upper surface of screen box 1 are provided with feed inlet 2, No. I discharge port 4 are offered among the lower surface of screen box 1, and sieve It selects and is fixedly installed with supporting leg 3 at four corner locations of the lower surface of case 1, the front surface of screen box 1 is provided with No. II and goes out Material mouth 5, and the front surface of screen box 1 is equipped with adsorbing mechanism 6, the rear table of screen box 1 at No. II 5 top position of discharge port Face is provided with No. III discharge port 7, and the side surface insertion of screen box 1 is equipped with rotating bar 8, and close turn of the side surface of screen box 1 The insertion of 8 lower position of lever is provided with pulling mechanism 9, and the inside of screen box 1 is disposed with the first evacuation machine from top to bottom Structure 10, second evacuates mechanism 11, the first sieve 12 and the second sieve 13, and the mesh diameter of the first sieve 12 is greater than the second sieve 13 Mesh diameter, the bottom end of supporting leg 3 is equipped with telescopic sleeve, and the outside of telescopic sleeve is socketed with damping spring, and telescopic The bottom end of pipe is provided with universal wheel, and the outer surface of universal wheel is provided with non-slip texture, and adsorbing mechanism 6 includes the filter of 61, I grades of exhaust passage Dirt net 62 and II grade of dirt filtrating screen 63, the inside of adsorbing mechanism 6 are equipped with exhaust passage 61, and exhaust passage 61 is internally provided with I grade of filter Dirt net 62, and the inside of exhaust passage 61 is provided with II grade of dirt filtrating screen 63 at I grade of 62 front position of dirt filtrating screen, exhaust passage 61 with Screen box 1 is 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: the 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 utility model is: firstly, staff by rotating bar 8 through screen box 1, and rotating The junction of bar 8 and 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 Movable leaf 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 exists It is rotated in rotating bar 8, movable leaf 15 generates wind-force in the course of rotation, and the air-flow of generation drives raising for the sandstone generation that falls Dirt is blown in exhaust passage 61, and fugitive dust successively passes through I grade of dirt filtrating screen 62 and II grade of dirt filtrating screen 63, is inhaled by dual dirt filtrating screen It is attached, purified treatment is carried out to fugitive dust by adsorbing mechanism 6, the working environment quality of construction personnel is improved, avoids staff It is chronically among flying dust environment, causes human lung to absorb excessive dust and damage, secondly, the sand to fall from movable leaf 15 Stone continuation is fallen downwards, and sandstone is fallen in the first evacuation mechanism 10, is fallen on movable plate 103, wherein the sandstone being condensed into blocks Ride over protrusion 104 on broken up, due between movable plate 103 and fixed plate 101 be provided with spring 102, spring 102 by Under the action of gravity, when will revert to original position in the state of being retracted to centainly, movable plate 103 will be bounced, So that the sandstone on movable plate 103 bounces, continue to fall in the second evacuation mechanism 11, the sand bounced from the second evacuation mechanism 11 Stone continuation is fallen downwards, and the sandstone which falls when not only can be to screening carries out decentralized processing, avoids condensing into The sandstone of block influences the screening operation of staff, the speed of sandstone whereabouts is also slowed, so that sandstone will not be accumulated simultaneously On the first sieve 12 and the second sieve 13, screening efficiency is improved, finally, falling the biggish sand on the first sieve 12 Stone is slipped to outside screen box 1 on the first sieve 12 from No. II discharge port 5, and tiny sandstone passes through the first sieve 12, is continued Whereabouts is fallen on the second sieve 13, is rolled on the second sieve 13 and is slid away from No. III discharge port 7, most tiny sandstone It is then the mesh across the second sieve 13, slides away from No. I discharge port 4 to following, caught by corresponding receiver, works Personnel catch handlebar stem 92 to move to both sides, and handlebar stem 92 moves in the sliding slot 94 on fixed frame 93, are connected in handlebar stem 92 Strut 91 together drives the baffle 16 on the first sieve 12 to move, and since one end of the first sieve 12 is to be stuck in fixed block Between buffer board 19 in 17, buffer board 19 is connected on fixed block 17 by buffer spring 18, the first sieve 12 it is another End be ride in supporting block, thus complete the first sieve 12 side-to-side movement, when handlebar stem 92 moves at certain position, by The characteristic of telescopic sleeve 95 and reset spring 96 pushes handlebar stem 92 to keep in the center, which not only facilitates work Personnel or so drive the first sieve 12 and the second sieve 13 movement, eliminate blocked on the first sieve 12 and the second sieve 13 compared with Bulky grain sandstone, additionally it is possible to which the breakneck acceleration for accelerating sandstone improves the working efficiency of staff.

It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model Within the scope of.

Claims (8)

1. sand classifying screening plant on a kind of construction site, including screen box (1), which is characterized in that the screen box (1) Upper surface is provided with feed inlet (2), and No. I discharge port (4), and screen box (1) are offered among the lower surface of the screen box (1) Lower surface four corner locations at be fixedly installed with supporting leg (3), the front surface of the 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), institute at No. II discharge port (5) top position The rear surface for stating screen box (1) is provided with No. III discharge port (7), and the side surface insertion of the screen box (1) is equipped with rotating bar (8), and the side surface of screen box (1) is embedded in close to rotating bar (8) lower position and is provided with pulling mechanism (9), the screening The inside of case (1) be disposed with from top to bottom the first evacuation mechanism (10), second evacuation mechanism (11), the first sieve (12) and Second sieve (13), the mesh diameter of first sieve (12) are greater than the mesh diameter of the second sieve (13).

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) includes exhaust passage (61), I grade of dirt filtrating screen (62) and II grade of dirt filtrating screen (63), and the inside of the adsorbing mechanism (6) is equipped with Exhaust passage (61), the exhaust passage (61) is internally provided with I grade of dirt filtrating screen (62), and the inside of exhaust passage (61) is close to I grade II grade of dirt filtrating screen (63) is provided at dirt filtrating screen (62) front position, the exhaust passage (61) and screen box (1) pass through 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 the junction of rotating bar (8) and screen box (1) is provided with bearing, the rotating bar (8) it is outer Portion is socketed with sleeve (14), and the outside of the sleeve (14) is equipped with movable leaf (15), and the quantity of the activity leaf (15) is set altogether There are three setting, and the angle between movable leaf (15) is 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) includes strut (91), handlebar stem (92), fixed frame (93), sliding slot (94), telescopic sleeve (95) and reset spring (96), The inside of the pulling mechanism (9) is equipped with fixed frame (93), is run through between two pieces of fixed frames (93) and is equipped with handlebar stem (92), the side of the handlebar stem (92) is connected with strut (91), and one end and the baffle (16) of the strut (91) are connected and fixed, The inner transverse of the fixed frame (93) offers sliding slot (94), and the inside of fixed frame (93) corresponds to installation inside sliding slot (94) Have telescopic sleeve (95), the outside of the telescopic sleeve (95) is socketed with reset spring (96), and one end of telescopic sleeve (95) It is connected and fixed with handlebar stem (92).

5. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that described first dredges Dissipating mechanism (10) includes fixed plate (101), spring (102), movable plate (103) and raised (104), first evacuation mechanism (10) inside is equipped with fixed plate (101), and the upper surface of the fixed plate (101) is provided with spring (102), the spring (102) top is equipped with movable plate (103), and the upper surface of the movable plate (103) is provided with raised (104), the fixation Plate (101) is fixedly connected with screen box (1) by positioning bolt, and the internal structure of first evacuation mechanism (10) is dredged with second The internal structure for dissipating mechanism (11) is consistent.

6. sand classifying screening plant on a kind of construction site according to claim 1, which is characterized in that first sieve The two sides of net (12) are fixedly installed with baffle (16), and one end of the first sieve (12) is provided with fixed block (17), and described The other end of one sieve (12) is equipped with supporting block on inner wall below screen box (1), and the inside of the fixed block (17) is set It is equipped with buffer spring (18), one end of the buffer spring (18) is connected with buffer board (19), the shape of the fixed block (17) 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 with the angle of horizontal plane, and the quantity of fixed plate (101) is provided with two pieces altogether, the movable plate (103) For a kind of component of PVC plastic material, the height of the protrusion (104) is 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 is equipped with telescopic sleeve, and 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.