CN110976273A - Sand screening machine for hydraulic engineering - Google Patents

Sand screening machine for hydraulic engineering Download PDF

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Publication number
CN110976273A
CN110976273A CN201911302202.0A CN201911302202A CN110976273A CN 110976273 A CN110976273 A CN 110976273A CN 201911302202 A CN201911302202 A CN 201911302202A CN 110976273 A CN110976273 A CN 110976273A
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China
Prior art keywords
sand
plate
sand screening
fixed plate
net
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CN201911302202.0A
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CN110976273B (en
Inventor
汪远和
杨举申
汤俊昌
蔡彦
张力
谢彦杰
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a sand screening machine for hydraulic engineering, which comprises a first fixing plate, a second fixing plate, a transverse plate, a first supporting plate and a stirring box, the bottom of the stirring box is provided with a discharge port I, a fixed block, a motor, a feed inlet, a rotating shaft, a stirring rod I, a sand screening net I, a through hole I, a vertical rod I, a stirring rod II, a vertical rod III, a sand screening cylinder, a mounting plate I, a mounting plate II and bolts, a first moving rod, a second moving rod, a sand screening groove, a sand screening net, a storage plate, an air cylinder, a piston rod and a limiting plate are respectively and transversely inserted below the first discharge port on the first fixed plate and the second fixed plate, and a sand screening funnel with an upward opening, a second supporting plate, a second discharge hole, a third sand screening net, an inverted L-shaped connecting plate and a fourth sand screening net are arranged below the sand screening groove between the first fixing plate and the second fixing plate, and damping devices are arranged at the bottoms of the first fixing plate and the second fixing plate. Compared with the prior art, the invention has the advantages that: the sand screening effect is good, the cleaning is convenient, and the stability is high.

Description

Sand screening machine for hydraulic engineering
Technical Field
The invention relates to the technical field of hydraulic engineering equipment, in particular to a sand screening machine for hydraulic engineering.
Background
Hydraulic engineering is a general term for various engineering constructions built for controlling, utilizing and protecting water resources and environments on the earth surface and underground. The engineering is built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harm and benefiting, and is also called water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. The service objects are divided into flood control engineering, farmland hydraulic engineering, hydroelectric power engineering, channel and harbor engineering, water supply and drainage engineering, environmental hydraulic engineering, coastal reclamation engineering and the like. The hydraulic engineering which can serve multiple targets such as flood control, water supply, irrigation, power generation and the like at the same time is called comprehensive utilization hydraulic engineering. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims. Compared with other projects, the hydraulic engineering has the following characteristics: 1. the influence range is wide, the hydraulic engineering planning is a component of basin planning or regional hydraulic planning, and the building of a hydraulic engineering has great influence on the environment of the surrounding region, so that the building of the hydraulic engineering is beneficial to both the building and the removal of harm, and the building of the hydraulic engineering is unfavorable to the flooding, the immersion, the immigration and the like. Therefore, a hydraulic engineering plan is formulated, which needs to be designed from the whole situation of a drainage basin or a region, and the overall consideration is carried out so as to reduce or avoid adverse effects and obtain the best economic, social and environmental effects. 2. Hydraulic engineering is generally large in scale, large in investment, complex in technology and long in construction period. A plurality of raw materials are needed in the construction of hydraulic engineering, and sand is one of indispensable raw materials. Therefore, in order to have enough sand for construction, scientists invented sand screening machines so as to obtain enough sand for construction of hydraulic engineering and accelerate the construction progress. Screening sand machine among the prior art is when using, and not only the screening sand effect is not good, has adulterated a large amount of grit in the sand, has influenced the result of use and the quality of sand, can not clear up screening sand machine moreover, has accumulated a large amount of impurity in the screening sand machine after long-term the use, causes screening sand machine to block up, has influenced screening sand effect, and the use of being not convenient for, the stability of screening sand machine is not high simultaneously, and screening sand machine takes place to sideslip easily when using, and life is low.
Disclosure of Invention
The invention aims to solve the technical problems and provide a sand screening machine for hydraulic engineering, which has the advantages of good sand screening effect, convenience in cleaning and high stability.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a sand screening machine for hydraulic engineering comprises a first fixing plate and a second fixing plate which are vertically arranged from left to right in sequence, the upper ends of the first fixing plate and the second fixing plate are connected through a transverse plate, a first supporting plate is arranged between the first fixing plate and the second fixing plate and below the transverse plate, a stirring box with a funnel structure at the bottom is arranged at the upper end of the transverse plate, the bottom of the stirring box extends to the lower side of the transverse plate and is provided with a first discharging hole, the bottom of the first discharging hole extends to the lower side of the first supporting plate, fixing blocks are transversely arranged on the side surfaces, adjacent to the first fixing plate and the second fixing plate, of the stirring box, the other ends of the two fixing blocks are respectively connected with the first fixing plate and the second fixing plate, a motor is arranged in the middle of the upper end of the stirring box, feed inlets are respectively arranged on the left side and the right side of the, the stirring device is characterized in that the rotating shaft is positioned in the stirring box and is provided with a plurality of uniformly distributed first stirring rods, a first sand sieving net matched with the stirring box and used is arranged at the upper end part of the first discharging port in the stirring box, a first through hole is formed in the middle of the first sand sieving net, the bottom of the rotating shaft extends into the first discharging port through the first through hole and is provided with a first vertical rod, a second stirring rod is transversely arranged on the first vertical rod, the bottom of the second stirring rod is provided with a second vertical rod, a third vertical rod is arranged at the bottom of the first stirring rod close to the upper end part of the first sand sieving net in the first stirring rod, a sand sieving cylinder is sleeved at the bottom of the first discharging port, two symmetrically distributed first mounting plates are arranged outside the first discharging port, a second mounting plate matched with the first mounting plate is arranged outside the sand sieving cylinder, the first mounting plate and the second mounting plates are connected through bolts, the first fixing plate and the second fixing plate are respectively and transversely provided, the sand screening device comprises a first moving rod and a second moving rod, wherein the first moving rod and the second moving rod are connected through a sand screening groove, the bottom of the sand screening groove is provided with a second sand screening net, a material placing plate is transversely arranged below the first moving rod on the left side of a first fixing plate, an air cylinder is arranged at the upper end of the material placing plate, a piston rod in the air cylinder is connected with the first moving rod, a limiting plate is vertically arranged at the right end of the second moving rod, a sand screening funnel with an upward opening is arranged below the sand screening groove between the first fixing plate and the second fixing plate, a second supporting plate is arranged below the sand screening funnel between the first fixing plate and the second fixing plate, the bottom of the sand screening funnel is provided with a second discharge port, the bottom of the second discharge port extends to the lower part of the second supporting plate, a third sand screening net with a downward inclination is inserted in the sand screening funnel, inverted L-shaped connecting plates are arranged at the upper ends of the third sand screening net, and a sand screening net IV which inclines downwards is arranged below the sand screening net III in the sand screening funnel, and damping devices are arranged at the bottoms of the first fixing plate and the second fixing plate.
Compared with the prior art, the invention has the advantages that: the sand screening machine for the hydraulic engineering can screen sand five times by utilizing the matching of the stirring box, the first sand screening net, the first sand screening cylinder, the second sand screening net, the third sand screening net and the fourth sand screening net, so that sand and stones contained in the sand are fully removed, the sand screening effect is improved, and the sand quality is improved; the sand screening cylinder is connected with the first discharge port through a bolt, so that the sand screening cylinder can be separated from the first discharge port, the first sand screening net and the first sand screening cylinder are cleaned, the first sand screening net and the first sand screening cylinder are prevented from being blocked, and the sand screening cylinder is convenient to use next time; the third sand screening net can be separated from the sand screening sand hopper, so that the third sand screening net and the fourth sand screening net can be conveniently cleaned, the third sand screening net and the fourth sand screening net are prevented from being blocked, and the sand screening sand hopper is convenient to use next time; utilize damping device can provide the cushion effect for the screening sand machine, improved stability.
As an improvement, damping device is including setting up the supporting shoe in fixed plate one and fixed plate two bottoms, the inside left side of supporting shoe and right side all are equipped with the cavity, the left side and the right side of fixed plate one and fixed plate two all transversely are equipped with the shock attenuation board in the top that is located the supporting shoe, the vertical shock attenuation pole that is equipped with in bottom of shock attenuation board, the bottom of shock attenuation pole is pegged graft in the cavity and is equipped with the deflector, connect through spring one between the bottom of deflector and the cavity, spring two has been cup jointed at the position that is located the cavity inside on the shock attenuation pole, can provide the cushion effect for the screening sand machine like this, has improved stability.
As the improvement, the threaded rubber pad is arranged at the bottom of the supporting block, so that the sand screening machine can be prevented from sliding, a buffering force can be provided for the sand screening machine, and the stability is improved.
As an improvement, the mesh diameters of the first sand screening net, the first sand screening cylinder, the second sand screening net, the third sand screening net and the fourth sand screening net are sequentially reduced from top to bottom, so that the sand screening effect can be improved, and sand with uniform particle size can be obtained.
As the improvement, the left side of limiting plate is equipped with two symmetric distribution's spring three, the left side and the right side upper end in sieve husky groove all are equipped with spring four, can alleviate the impulsive force of hitting between sieve husky groove and fixed plate one and the fixed plate two like this, have not only improved stability, have prolonged life moreover.
As an improvement, the first fixing plate and the second fixing plate are provided with a second through hole used for matching with the first moving rod and the second moving rod, so that the first moving rod and the second moving rod can slide left and right conveniently.
As an improvement, the bottom of the sand screening and sand filling hopper is provided with two vibrators which are symmetrically distributed, so that the discharging speed of sand can be increased, the screening speed of sand can be increased, and the working efficiency is improved.
As the improvement, the vertical handle that is equipped with of upper end of the type of falling L connecting plate, be convenient for like this take out the clearance with screening sand net three from screening sand funnel.
Drawings
Fig. 1 is a schematic structural diagram of a sand screening machine for hydraulic engineering.
Fig. 2 is an enlarged view of a sand screening machine a for hydraulic engineering according to the present invention.
Fig. 3 is an enlarged view of a sand screening machine B for hydraulic engineering according to the present invention.
As shown in the figure: 1. the sand screening device comprises a first fixing plate, a second fixing plate, a vibrator, a third fixing plate, a fourth vertical rod, a fourth rod, a, The device comprises a first discharge port 42, a damping plate 43, a damping rod 44, a second spring 45, a threaded rubber pad 46, a first spring 47, a guide plate 48, a cavity 49 and a supporting block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a screening sand machine for hydraulic engineering, includes from a left side to the right side vertical fixed plate 1 and the two 27 of fixed plate that are equipped with in proper order, connect through diaphragm 15 between the upper end of fixed plate 1 and the two 27 of fixed plate, be equipped with backup pad 8 in the below that is located diaphragm 15 between fixed plate 1 and the two 27 of fixed plate, the upper end of diaphragm 15 is equipped with agitator tank 14 that the bottom is the funnel structure, the bottom of agitator tank 14 extends to the below of diaphragm 15 and is equipped with discharge gate 41, the bottom of discharge gate 41 extends to the below of backup pad 8, transversely be equipped with fixed block 9 on the side adjacent with fixed plate 1 and fixed plate two 27 on agitator tank 14, the other end of two fixed blocks 9 is connected with fixed plate 1 and the two 27 of fixed plate respectively, be equipped with motor 12 in the middle of the upper end of agitator tank 14, the upper end of agitator tank 14 all is equipped with feed inlet 11 on the left side and the right side that are located motor, be equipped with axis of rotation 13 in the middle of the bottom of motor 12, axis of rotation 13 is located the inside of agitator tank 14 and is equipped with a plurality of evenly distributed's puddler 10, be equipped with the screening sand net 33 that cooperation agitator tank 14 used in the upper end that lies in discharge gate 41 in agitator tank 14, the centre of screening sand net 33 is equipped with through-hole 32, the bottom of axis of rotation 13 extends to in discharge gate 41 and is equipped with montant 34 through-hole 32, transversely be equipped with puddler two 40 on montant 34, the bottom of puddler two 40 is equipped with montant two 39, be equipped with montant three 31 in the bottom of a pair of puddler 10 that is close to screening sand net 33 upper end in puddler 10, screening sand section of thick bamboo 35 has been cup jointed to the bottom of discharge gate 41, the outside of discharge gate 41 is equipped with two mounting panel 37 of two symmetric distributions, the outside of screening sand section of thick bamboo 35 is equipped with mounting panel two 36 that cooperation mounting panel 37 used, the mounting plate I37 and the mounting plate II 36 are connected through a bolt 38, a first moving rod 7 and a second moving rod 21 are respectively and transversely inserted into the first fixing plate I1 and the second fixing plate 27 below a first discharge hole 41, the first moving rod 7 and the second moving rod 21 are connected through a first sand sieving groove 16, a second sand sieving net 18 is arranged at the bottom of the sand sieving groove 16, a first object placing plate 3 is transversely arranged on the left side of the first fixing plate 1 below the first moving rod 7, an air cylinder 4 is arranged at the upper end of the object placing plate 3, a piston rod 6 in the air cylinder 4 is connected with the first moving rod 7, a limiting plate 22 is vertically arranged at the right end of the second moving rod 21, a sand sieving funnel 26 with an upward opening is arranged below the sand sieving groove 16 between the first fixing plate 1 and the second fixing plate 27, a second supporting plate 30 is arranged below the sand sieving funnel 26 between the first fixing plate 1 and the second fixing plate 27, the bottom of sieve hourglass fill 26 is equipped with discharge gate two 28, the bottom of discharge gate two 28 extends to the below of backup pad two 30, sieve hourglass fill 26 is pegged graft and is had the sieve sand net three 24 of downward sloping, the upper end of sieve sand net three 24 all is equipped with inverted L type connecting plate 23, inverted L type connecting plate 23 joint is in the upper end of sieve sand funnel 26 both sides relatively, sieve sand net four 25 of downward sloping is equipped with in the below that is located sieve sand net three 24 in sieve hourglass fill 26, the bottom of fixed plate one 1 and fixed plate two 27 all is equipped with damping device 29.
The damping device 29 comprises supporting blocks 49 arranged at the bottoms of a first fixing plate 1 and a second fixing plate 27, cavities 48 are arranged on the left side and the right side of the inside of each supporting block 49, damping plates 42 are transversely arranged above the supporting blocks 49 on the left side and the right side of the first fixing plate 1 and the second fixing plate 27, damping rods 43 are vertically arranged at the bottoms of the damping plates 42, the bottoms of the damping rods 43 are inserted into the cavities 48 and provided with guide plates 47, the bottoms of the guide plates 47 and the cavities 48 are connected through first springs 46, and second springs 44 are sleeved on the damping rods 43 at the positions inside of the cavities 48.
The bottom of the supporting block 49 is provided with a threaded rubber pad 45.
The diameters of the meshes of the first sand screening net 33, the sand screening cylinder 35, the second sand screening net 18, the third sand screening net 24 and the fourth sand screening net 25 are sequentially reduced from top to bottom.
The left side of limiting plate 22 is equipped with two symmetric distribution's spring three 20, the left side of screening sand groove 16 and right side upper end all are equipped with spring four 17.
And a second through hole 19 matched with the first moving rod 7 and the second moving rod 21 is formed in the first fixing plate 1 and the second fixing plate 27.
The bottom of the sieving sand hopper 26 is provided with two vibrators 2 which are symmetrically distributed.
The upper end of the inverted L-shaped connecting plate 23 is vertically provided with a handle 5.
In the concrete implementation of the invention, the structural schematic diagram of the sand screening machine for hydraulic engineering shown in the attached drawing 1, the enlarged view of the sand screening machine A for hydraulic engineering shown in the attached drawing 2 and the enlarged view of the sand screening machine B for hydraulic engineering shown in the attached drawing 3 are combined to show that when the sand screening machine for hydraulic engineering is used, sand to be screened is firstly poured into the stirring box 14 by using the feeding hole 11, then the motor 12 is started to work, the first stirring rod 10 and the third vertical rod 31 can be driven to rotate together with the rotation of the motor 12, so that the sand can be stirred, so that the sand and the gravel with the particle size smaller than the diameter of the first 33 meshes of the sand screening net fall into the first 41 discharge hole, the sand with the grain diameter larger than the first 33 mesh holes of the sand screening net is continuously left in the stirring box 14, and the third vertical rod 31 can prevent the bottom of the stirring box 14 from being blocked, so that the sand screening speed is increased, and the sand screening device is convenient to use. With the continuous rotation of the first stirring rod 10, the first vertical rod 34, the second stirring rod 40 and the second vertical rod 39 can be driven to rotate together, so that sand in the first discharge port 41 is stirred, sand and gravel with the particle size smaller than the diameter of the mesh of the sand screening cylinder 35 fall into the sand screening groove 16, sand and gravel with the particle size larger than the diameter of the mesh of the sand screening cylinder 35 continue to stay in the first discharge port 41, the first vertical rod 34 and the second vertical rod 39 can prevent the bottom of the first discharge port 41 from being blocked, the sand screening speed is accelerated, and the sand screening device is convenient to use. The air cylinder 4 is started to start working, the piston rod 6 stretches left and right to drive the sand sieving groove 16 to move left and right, sand in the sand sieving groove 16 is turned left and right, sand and sand stones with the particle sizes smaller than the diameter of the meshes of the second sand sieving net 18 fall onto the third downwardly inclined sand sieving net 24, sand stones with the particle sizes larger than the diameter of the meshes of the second sand sieving net 18 continue to stay in the sand sieving groove 16, the third spring 20 and the fourth spring 17 can reduce the impact force between the sand sieving groove 16 and the first fixed plate 1 and the second fixed plate 27, the service life of the sand sieving groove 16 is prolonged, the stability of the sand sieving machine is improved, and the sand sieving machine is convenient to use. The vibrator 2 is started to work, sand and sand stones with the particle sizes smaller than the diameter of the third 24 meshes of the sand screening net can fall onto the fourth 25 of the sand screening net which inclines downwards along with the vibration of the vibrator 2, sand stones with the particle sizes larger than the diameter of the third 24 meshes of the sand screening net can be continuously remained on the third 24 of the sand screening net, and the contact area between the sand and the third 24 of the sand screening net can be increased due to the downward inclined structure of the third 24 of the sand screening net, so that the sand can be fully screened. Then, with the continuous vibration of the vibrator 2, sand with the particle size smaller than the diameter of the meshes of the sand screening net four 25 can leave the sand screening sand hopper 26 through the discharge port two 28, so that the sand screening sand hopper is applied to the construction of hydraulic engineering, sand with the particle size larger than the diameter of the meshes of the sand screening net four 25 is continuously left on the sand screening net four 25, and the contact area between the sand and the sand screening net four 25 can be increased due to the downward inclined structure of the sand screening net four 25, so that the sand can be fully screened. Under the cooperation of the first sand screening net 33, the sand screening cylinder 35, the second sand screening net 18, the third sand screening net 24 and the fourth sand screening net 25, sand can be screened five times, so that sand contained in the sand is fully removed, sand with uniform particle size is obtained, the sand screening effect is improved, and meanwhile, the quality of the sand is improved. The first discharge port 41 is connected with the sand screening cylinder 35 through the bolt 38, and after the bolt 38 is removed, the sand screening cylinder 35 can be separated from the first discharge port 41, so that sand in the sand screening cylinder 35 can be cleaned, the sand is prevented from being blocked, and the sand screening effect is prevented from being influenced. The sand screening groove 16 has an upward opening, can directly clean sand in the sand screening groove, and is simple to operate and convenient to use. The third sand screening net 24 can be taken out of the sand screening funnel 26 by using the handle 5, so that sand in the third sand screening net 24 and the fourth sand screening net 25 can be cleaned respectively, the sand screening effect is prevented from being influenced due to blockage, and the sand screening device is simple to operate and convenient to use. Utilize damping device 29 can provide the cushion effect for the screening sand machine, can prevent effectively that the screening sand machine from taking place to sideslip at the during operation, improved stability, convenient to use. Therefore, the sand screening machine for the hydraulic engineering has the advantages of good sand screening effect, convenience in cleaning and high stability.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a screening sand machine for hydraulic engineering, includes from a left side to the right vertical fixed plate (1) and the two (27) of fixed plate that are equipped with in proper order, its characterized in that: the upper end of fixed plate (1) and fixed plate two (27) is connected through diaphragm (15), be equipped with backup pad (8) in the below that is located diaphragm (15) between fixed plate (1) and fixed plate two (27), the upper end of diaphragm (15) is equipped with bottom agitator tank (14) for the funnel structure, the bottom of agitator tank (14) extends to the below of diaphragm (15) and is equipped with discharge gate (41), the bottom of discharge gate (41) extends to the below of backup pad (8), transversely be equipped with fixed block (9) on agitator tank (14) on the side adjacent with fixed plate one (1) and fixed plate two (27), the other end of two fixed blocks (9) is connected with fixed plate one (1) and fixed plate two (27) respectively, be equipped with motor (12) in the middle of the upper end of agitator tank (14), the upper end of agitator tank (14) all is equipped with feed inlet (11) on the left side and the right side that are located motor (12), be equipped with axis of rotation (13) in the middle of the bottom of motor (12), axis of rotation (13) are located the inside of agitator tank (14) and are equipped with a plurality of evenly distributed's puddler one (10), be equipped with the screening sand net (33) that cooperation agitator tank (14) used in the upper end that is located discharge gate one (41) in agitator tank (14), the centre of screening sand net one (33) is equipped with through-hole one (32), the bottom of axis of rotation (13) extends to in discharge gate one (41) and is equipped with montant one (34) through-hole one (32), transversely be equipped with puddler two (40) on montant one (34), the bottom of puddler two (40) is equipped with montant two (39), the bottom of a pair of puddler one (10) near the screening sand net one (33) upper end in puddler one (10) is equipped with three montant (31), the bottom of the first discharge port (41) is sleeved with a sand sieving cylinder (35), two mounting plates I (37) which are symmetrically distributed are arranged outside the first discharge port (41), a mounting plate II (36) which is matched with the mounting plate I (37) for use is arranged outside the sand sieving cylinder (35), the mounting plates I (37) and the mounting plate II (36) are connected through bolts (38), a moving rod I (7) and a moving rod II (21) are respectively and transversely inserted below the first discharge port (41) on the first fixing plate (1) and the second fixing plate (27), the moving rod I (7) and the moving rod II (21) are connected through a sand sieving groove (16), a sand sieving net II (18) is arranged at the bottom of the sand sieving groove (16), a storage plate (3) is transversely arranged below the moving rod I (7) on the left side of the first fixing plate (1), and an air cylinder (4) is arranged at the upper end part of the storage plate (3), piston rod (6) in cylinder (4) are connected with carriage release lever (7), the vertical limiting plate (22) that is equipped with of right-hand member of carriage release lever two (21), be equipped with below that is located sieve husky groove (16) between fixed plate (1) and fixed plate two (27) and sieve husky funnel (26) that the opening is ascending, be equipped with backup pad two (30) below that is located sieve husky funnel (26) between fixed plate (1) and fixed plate two (27), the bottom of sieve husky funnel (26) is equipped with discharge gate two (28), the bottom of discharge gate two (28) extends to the below of backup pad two (30), sieve husky net three (24) that the concatenation has the downward sloping in sieve husky funnel (26), the upper end of sieve husky net three (24) all is equipped with type connecting plate (23) of falling L, the upper end of type connecting plate (23) joint in the relative both sides of sieve husky funnel (26) of falling L, and a sand screening net IV (25) which is inclined downwards is arranged below the sand screening net III (24) in the sand screening funnel (26), and damping devices (29) are arranged at the bottoms of the first fixing plate (1) and the second fixing plate (27).
2. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: damping device (29) is including setting up supporting shoe (49) in fixed plate (1) and fixed plate two (27) bottom, the inside left side and the right side of supporting shoe (49) all are equipped with cavity (48), the left side and the right side of fixed plate (1) and fixed plate two (27) all transversely are equipped with damper plate (42) in the top that is located supporting shoe (49), the bottom of damper plate (42) is vertical to be equipped with shock attenuation pole (43), the bottom of shock attenuation pole (43) is pegged graft in cavity (48) and is equipped with deflector (47), connect through spring one (46) between the bottom of deflector (47) and cavity (48), spring two (44) have been cup jointed in the position that is located cavity (48) inside on damper rod (43).
3. The sand screening machine for hydraulic engineering according to claim 2, characterized in that: the bottom of the supporting block (49) is provided with a threaded rubber pad (45).
4. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: the mesh diameters of the first sand screening net (33), the sand screening cylinder (35), the second sand screening net (18), the third sand screening net (24) and the fourth sand screening net (25) are sequentially reduced from top to bottom.
5. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: the left side of limiting plate (22) is equipped with two symmetric distribution's spring three (20), the left side of screening husky groove (16) and right side upper end all are equipped with spring four (17).
6. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: and a second through hole (19) matched with the first moving rod (7) and the second moving rod (21) for use is formed in the first fixing plate (1) and the second fixing plate (27).
7. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: the bottom of the sand screening funnel (26) is provided with two vibrators (2) which are symmetrically distributed.
8. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: the upper end of the inverted L-shaped connecting plate (23) is vertically provided with a handle (5).
CN201911302202.0A 2019-12-17 2019-12-17 Sand screening machine for hydraulic engineering Active CN110976273B (en)

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CN201911302202.0A CN110976273B (en) 2019-12-17 2019-12-17 Sand screening machine for hydraulic engineering

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