Sand screening installation for hydraulic engineering construction
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is a sand screening installation for hydraulic engineering construction.
Background
The engineering (including new construction, extension, reconstruction, reinforcement, restoration) such as water conservancy project flood control, waterlogging removal, irrigation, electricity generation, water supply, reclamation, soil conservation, water resource protection and the like and the supporting and auxiliary engineering thereof are collectively called as the engineering for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting.
But there are some not enough in the current market about sand screening installation, do not set up the spiral impeller that can stir the breakage to the sand, can not carry out broken stirring to the sand that condenses into the piece through spiral impeller, improve screening installation's screening ability, do not set up the screening sand device that can carry out the thoughtlessly move screening to the sand, can not rotate through the roll of screening sand device, make the foreign matter in the sand thoroughly separate, consequently, technical personnel in the field provide a sand screening installation for hydraulic engineering construction, in order to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sand screening installation for hydraulic engineering construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the sand screening device for the hydraulic engineering construction comprises a supporting bottom plate, rollers are fixed below the supporting bottom plate at four corner positions, a supporting frame is fixed above the supporting bottom plate, a positioning rod is fixed at one end of the upper part of the supporting bottom plate far away from the supporting frame, a conical sand inlet pipe is embedded in the upper part of the supporting frame, the inner side of the supporting frame is provided with a conveyor belt, the supporting frame and the positioning rod are internally provided with guardrails which are respectively fixed at the front side and the rear side, a screening motor is fixed on the inner side of the positioning rod, a sand screening device is arranged on the inner side of the guardrail, the sand screening device is rotationally connected with a screening motor through a rotating rod, a stirring box is connected below the conical sand inlet pipe, the stirring motor is fixed on the front side of the stirring box, and one side of the stirring box is provided with a sand outlet, and the inner side of the stirring box is provided with a spiral stirring impeller.
As a further aspect of the present invention: the sand screening device comprises a fixing ring, a fixing frame is arranged inside the fixing ring, a screen is arranged on the inner side of the fixing ring, and the fixing ring is fixedly connected with the rotating rod through the fixing frame.
As a further aspect of the present invention: the screen cloth is a stainless steel component, and the filtration pore aperture of screen cloth is not higher than 5mm, screen cloth and solid fixed ring pass through welded fastening.
As a further aspect of the present invention: the tip of spiral impeller is provided with the bayonet lock, agitator motor passes through the bayonet lock and is connected with spiral impeller rotation, spiral impeller's impeller diameter is not higher than 2cm with the interval distance of agitator tank inner wall.
As a further aspect of the present invention: the crawler belt of the conveyor belt is a glass fiber cloth material component, and the upward inclination angle of the conveyor belt is not higher than 45 degrees relative to the horizontal direction of the supporting bottom plate.
As a further aspect of the present invention: the inclination angles of the guardrail and the sand screening device are the same as the inclination angle of the conveying belt, and the height of the guardrail is the same as the diameter of the fixing ring.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an agitator motor drives spiral impeller's rotation, can carry out broken stirring to the sand that advances sand pipe inflow from the toper, and then can be broken with the sand that condenses the blocking, make the screening plant keep efficient screening ability, further improvement the screening speed of sieving mechanism, rotation through spiral impeller simultaneously, can avoid sand humidity too big, block up the condition that the toper advances sand pipe, further can be with sand thorough separation, make things convenient for the screening of screening sand device to filter, through the roll screening of screening sand device to the sand, can make the sand obtain further separation, and then can improve the screening sand ability of screening plant, make the foreign matter in the sand can the thorough separation come, guarantee the high efficiency of screening plant screening sand.
Drawings
Fig. 1 is a schematic structural view of sand screening equipment for hydraulic engineering construction;
FIG. 2 is a schematic structural view of the inner side of a stirring box in sand screening equipment for hydraulic engineering construction;
fig. 3 is a schematic structural view of a sand screening device in sand screening equipment for hydraulic engineering construction.
In the figure: 1. a support base plate; 2. a roller; 3. a support frame; 4. positioning a rod; 5. a conveyor belt; 6. screening motors; 7. a guardrail; 8. a sand screening device; 81. a fixing ring; 82. a fixed mount; 83. screening a screen; 84. rotating the rod; 9. a stirring motor; 10. a conical sand inlet pipe; 11. a stirring box; 12. a sand outlet; 13. a helical stirring impeller.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a sand screening apparatus for hydraulic engineering construction includes a supporting base plate 1, rollers 2 are fixed below the supporting base plate 1 at four corner positions, a supporting frame 3 is fixed above the supporting base plate 1, a positioning rod 4 is fixed at one end of the supporting base plate 1 away from the supporting frame 3, a tapered sand inlet pipe 10 is embedded above the supporting frame 3, a conveying belt 5 is arranged inside the supporting frame 3, a track of the conveying belt 5 is a glass fiber cloth material member, an upward inclination angle of the conveying belt 5 is not higher than 45 degrees relative to a horizontal direction of the supporting base plate 1, and the conveying belt 5 continuously conveys screened sand, so that a re-operation process of a worker can be avoided, and further, labor intensity of the worker is reduced, and the conveying belt 5 made of the glass fiber cloth material has good friction performance, the phenomenon that sand slips in the transmission process can be avoided.
Both sides all are fixed with guardrail 7 around support frame 3 and the inside of locating lever 4 are located, and the inclination of guardrail 7 and screening sand device 8 all is the same with the inclination of conveyer belt 5, and the height of guardrail 7 is the same with the diameter of solid fixed ring 81, through 7 fencing of screening sand device 8 of guardrail, the condition that the sand was thrown away conveyer belt 5 when screening sand device 8 rolled can be avoided, and then the screening sand work of screening sand device 8 is ensured.
The screening motor 6 is fixed on the inner side of the positioning rod 4, the screening device 8 is arranged on the inner side of the guardrail 7, the screening device 8 is rotatably connected with the screening motor 6 through a rotating rod 84, the screening device 8 comprises a fixing ring 81, a fixing frame 82 is arranged inside the fixing ring 81, a screen 83 is arranged on the inner side of the fixing ring 81, the fixing ring 81 is fixedly connected with the rotating rod 84 through the fixing frame 82, the screening motor 6 drives the rotating rod 84 to rotate, the rotating rod 84 drives the screen 83 connected with the fixing ring 81 to roll, screening and filtering are carried out on sand through the rolling of the screen 83, the screening device 8 rolls and screens the sand, the sand can be further separated, the sand screening capacity of the screening device can be further improved, foreign matters in the sand can be thoroughly separated, the screen 83 is a stainless steel component, and the aperture of a filtering hole of the screen 83 is not higher than 5mm, the screen cloth 83 is fixed with solid fixed ring 81 through the welded connection, through stainless steel's screen cloth 83, when screening the foreign matter in the sand, can ensure the stability of screening sand device 8 structure again, and further can avoid the corrosivity of moisture in the sand to screening sand device 8 to ensure screening sand device 8's long service life.
The lower part of the conical sand inlet pipe 10 is connected with a stirring box 11, the front side of the stirring box 11 is fixed with a stirring motor 9, one side of the stirring box 11 is provided with a sand outlet 12, the inner side of the stirring box 11 is provided with a spiral stirring impeller 13, the end part of the spiral stirring impeller 13 is provided with a bayonet lock, the stirring motor 9 is rotationally connected with the spiral stirring impeller 13 through the bayonet lock, the spacing distance between the impeller diameter of the spiral stirring impeller 13 and the inner wall of the stirring box 11 is not higher than 2cm, the stirring motor 9 drives the spiral stirring impeller 13 to rotate, sand flowing in from the conical sand inlet pipe 10 can be crushed and stirred, further, the sand coagulated into blocks can be crushed, the efficient screening capacity of the screening device is kept, the screening speed of the screening device is further improved, and meanwhile, the condition that the sand is blocked by the conical stirring impeller 13, further can thoroughly separate the sand, make things convenient for screening of screening sand device 8 to filter.
The utility model discloses a theory of operation is: when sand is screened by screening equipment, the sand flows into the stirring box 11 from the conical sand inlet pipe 10, the stirring motor 9 drives the spiral stirring impeller 13 to rotate, the sand is crushed and stirred, and then is discharged into the sand screening device 8 through the sand outlet 12, the screening motor 6 drives the rotating rod 84 to rotate, the rotating rod 84 drives the screen 83 connected with the fixed ring 81 to roll, the sand is screened and filtered through the rolling of the screen 83, the screened sand is transmitted out through the conveyor belt 5 to be used by workers, the sand flowing into the conical sand inlet pipe 10 can be crushed and stirred through the rotation of the spiral stirring impeller 13 driven by the stirring motor 9, and then the sand condensed into blocks can be crushed, so that the screening equipment keeps high-efficiency screening capacity, the screening speed of the screening device is further improved, and meanwhile, through the rotation of the spiral stirring impeller 13, can avoid sand humidity too big, block up the condition that the toper advances husky pipe 10, further can thoroughly separate the sand, make things convenient for screening sand device 8's screening to filter, roll screening to the sand through screening sand device 8, can make the sand obtain further separation, and then can improve screening equipment's screening sand ability, make the foreign matter in the sand thoroughly separate, through the continuous conveying of conveyer belt 5 to screening back sand, can avoid staff's the operation process again, and then reduce staff's intensity of labour, conveyer belt 5 of glass fiber cloth material has good frictional property simultaneously, can avoid the phenomenon that the sand skidded in transmission process.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.