CN213032968U

CN213032968U - Gravel screening device for construction site

Info

Publication number: CN213032968U
Application number: CN202021576705.5U
Authority: CN
Inventors: 丁江岭
Original assignee: Anhui Xuanxiang Construction Engineering Co ltd
Current assignee: Anhui Xuanxiang Construction Engineering Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-23
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to the technical field of gravel screening devices for building sites, and discloses a gravel screening device for building sites, which comprises a gravel screening device, wherein the gravel screening device comprises a shell, a feeding pipe and a discharging pipe, the shell is a rectangular box, the interior of the shell is hollow, the feeding pipe is trapezoidal, the feeding pipe is fixedly arranged at the top end position of the upper right side of the shell, the feeding pipe is communicated with the interior of the shell, three groups of fixed blocks are fixedly arranged on the left side wall surface of the interior of the shell from top to bottom in sequence, the screening device is arranged at the position of the interior of the shell corresponding to the right side of the fixed blocks, the screening device comprises three groups, and comprises a frame, a chute, a slide block, a vertical wire net and a horizontal wire net, in the utility model, the bottom of the buffer block is fixedly connected with a support frame by arranging, the arrangement can lead the falling process of the frame to have certain buffering, thus prolonging the service life of the device.

Description

Gravel screening device for construction site

Technical Field

The utility model relates to a sieving mechanism technical field especially relates to a gravel sieving mechanism for building site.

Background

Sand, which refers to a loose mixture of sand and gravel. Geology is known as the sand to the mineral or rock granule that the particle diameter is 0.074 ~ 2mm, and the particle diameter is greater than what 2mm is called gravel or breccia (the two difference lies in by the rounding degree difference, the detailed word conglomerate that sees, sandstone), and grit plays important effect as one of the leading raw materials that construction used, and the essential device of sieving mechanism as grit use, but current grit sieving mechanism has some weak points in the use.

Existing gravel sieving mechanism carries out the grit screening on building site on the existing market, only filters through the one deck screen cloth, and the screen cloth does not have vibration amplitude, and too much equivalent grit can appear filtering incomplete condition, and the grit that can lead to the screening like this is easy to be confused with the grit after the screening, influences the service quality of grit, leads to workman work efficiency not high. To this end, we propose a gravel screening apparatus for construction sites.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a gravel screening device for construction site.

In order to achieve the purpose, the utility model adopts the following technical scheme, the gravel screening device for the construction site comprises a gravel screening device, the gravel screening device comprises a shell, a feeding pipe and a discharging pipe, the shell is a rectangular box, the interior of the shell is hollow, the feeding pipe is trapezoidal, the feeding pipe is fixedly arranged at the top end position of the upper right side of the shell and is communicated with the interior of the shell, three groups of fixed blocks are fixedly arranged on the left side wall surface of the interior of the shell from top to bottom in sequence, the screening device is arranged at the position of the interior of the shell corresponding to the right side of the fixed blocks and comprises three groups, the screening device comprises a frame, a sliding chute, a sliding block, a vertical wire net and a horizontal wire net, the frame is movably arranged on the right side wall surface of the fixed blocks through a rotating shaft, the sliding chute is arranged inside the rear side frame of, the slider is total two sets ofly, the one end that perpendicular silk screen is close to the slider is with slider front end wall fixed connection, the vertical fixed connection of one end that the slider was kept away from to perpendicular silk screen is on the inside wall of front end border, horizontal fixed mounting is on the inside wall of the left and right sides of border respectively at the both ends of horizontal silk screen, perpendicular silk screen and horizontal silk screen intersect and have formed the screen cloth, the discharging pipe slope is fixed mounting on the left side wall of shell downwards in proper order, the total three groups of and discharging pipe of discharging pipe correspond with the position of fixed block, the discharging pipe is the inside intercommunication of cylindrical pipe and discharging pipe and shell, support frame fixed mounting is on the right side internal face of shell and the total three groups of support frame, the support frame is.

Preferably, the bearing has been cup jointed to the one end that the dead lever is close to the shell, has cup jointed the gear on the motor output shaft, has cup jointed the gear equally on two sets of bearings, and the excircle department transmission of three group's gears is connected with the chain, and the left side movable mounting of gear has rocker and the total three groups of rocker, and the rocker is the notch cuttype, and the one end and the spout right side bottom that the gear was kept away from to the rocker are closely laminated.

Preferably, the gear box is hollow and the gear box is a square box, a motor is fixedly mounted on the right upper side wall surface of the interior of the gear box, two groups of fixing rods are arranged in parallel below the motor, the fixing rods are fixedly mounted on the right side wall surface of the interior of the gear box, and the motor, the two groups of fixing rods and the three groups of frames from top to bottom are respectively in the same horizontal position.

Preferably, the powder discharging pipe is a cylindrical pipe, the powder discharging pipe is fixedly installed on the outer wall surface of the right lower end of the outer shell at the position corresponding to the inclined plate, the powder discharging pipe is communicated with the inside of the outer shell, and the gear box is fixedly installed on the outer wall surface of the right side of the outer shell.

Preferably, the buffer block is a rectangular block made of rubber, the top end of the buffer block is tightly attached to the frame, an inclined plate is fixedly mounted below the left side wall face of the inner portion of the shell, the inclined plate is a rectangular plate with the height gradually reduced from left to right, and a powder discharging pipe is fixedly mounted on the right side outer wall face of the shell corresponding to the inclined plate.

Advantageous effects

The utility model provides a gravel screening device for building site. The method has the following beneficial effects:

(1) the gravel screening device for the building site is provided with the screening device, gravels with different sizes are filtered in the process of screening the gravels, the gravels are poured into the gravel screening device from the top end of the feeding pipe, the gravel enters the first layer of screening device through the feeding pipe to screen the large-size gravel, two groups of sliding blocks inside the frame slide left and right to simultaneously drive the vertical screen which is in sliding connection on the wall surface of the sliding block to slide, the horizontal screen is fixedly connected with the inner wall surface of the frame, the sliding blocks drive the vertical screen to slide left and right and screen the small-size gravel to the next layer of screening device, the screening process of the next two layers of screening devices is the same as that of the first layer of screening device, when the gravel is screened by the three layers of screening devices, the residual powder particles fall to the inclined plate and are discharged through the powder discharging pipe under the inclined state of the inclined plate, do not need the workman to classify manually, reduced work efficiency, optimized the result of use of gravel.

(2) The gravel screening device for the building site is characterized in that a gear is arranged to rotate in the gravel filtering process, so that an outer frame can shake up and down continuously to screen gravel better and faster, a gear box is fixedly arranged on the right side wall surface of a shell, a motor and a gear are arranged inside the gear box, a bearing is movably arranged inside the gear, an output shaft of the motor drives the gear to rotate, a rocker fixedly arranged on the left side of the gear is driven by a chain to rotate while the gear rotates, the rocker guides a frame to shake up and down, so that the gravel screening speed is higher, the working efficiency is improved, a sliding block inside a sliding groove slides left and right in the shaking process, a vertical wire mesh filters the gravel along with the leftward and rightward sliding of the sliding block and the crossing of a transverse wire mesh, and the size of meshes between the wire meshes can be changed in the crossing process of the screen meshes, therefore, the blockage of the net opening of the gravel screening device is avoided, and the cleaning of workers to the machine is reduced.

(3) This gravel sieving mechanism for building site through being provided with the buffer block, and the screen cloth passes through the rocker and can produce the weight at the in-process of shaking from top to bottom, can carry the weight striking buffer block of self when the screen cloth falls down, and the buffer block can have certain buffering effect to the striking of screen cloth for the rubber material, sets up the in-process that can make the frame whereabouts like this and has had certain buffering, has prolonged the life of device.

Drawings

Fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic view of the screening apparatus of the present invention;

fig. 3 is a schematic view of the pulley of the present invention.

Illustration of the drawings:

1 grit sieving mechanism, 2 shells, 3 inlet pipes, 4 fixed blocks, 5 sieving mechanism, 51 frames, 52 chutes, 53 sliders, 54 vertical wire nets, 55 horizontal wire nets, 6 discharging pipes, 7 supporting frames, 8 buffer blocks, 9 sloping plates, 10 motors, 11 gears, 12 bearings, 13 chains, 14 rockers, 15 gear boxes, 16 fixed rods and 17 powder discharging pipes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example (b): the utility model provides a gravel screening device for building site, as shown in fig. 1-3, including gravel screening device 1, gravel screening device 1 includes shell 2, inlet pipe 3 and discharging pipe 6, and shell 2 is rectangle box and the inside of shell 2 is the cavity form, and inlet pipe 3 is trapezoidal form, and inlet pipe 3 fixed mounting is in the inside intercommunication of the upper right side top position inlet pipe 3 of shell 2 and shell 2, and the inside left side wall from the top down of shell 2 fixed mounting in proper order has three fixed block 4 of group, and the inside of shell 2 corresponds the position on 4 right sides of fixed block and is provided with screening device 5 and screening device 5 has three groups.

Sieving mechanism 5 includes the 51 frames, 52 chutes, 53 sliders, 54 vertical wire nets and 55 horizontal wire nets, frame 51 is through pivot movable mounting on the right side wall of fixed block 4 and frame 51 is the rectangle frame, chute 52 sets up inside the rear side frame of frame 51, slider 53 movable mounting is in the inside of spout 52 and slider 53 is the rectangle block, slider 53 is total two sets of, vertical wire net 54 is close to slider 53's one end and slider front end wall fixed connection, vertical wire net 54 keeps away from the vertical fixed connection of slider 53's one end on the inside wall of front end frame 51, horizontal wire net 55's both ends are horizontal fixed mounting respectively on the inside wall of the left and right sides of frame 51, vertical wire net 54 has crossed with horizontal wire net 55 and has formed the screen cloth.

The discharge pipe 6 is fixedly arranged on the left side wall surface of the shell 2 in sequence in an inclined downward mode, the discharge pipe 6 has three groups, the discharge pipe 6 corresponds to the position of the fixed block 4, the discharge pipe 6 is a cylindrical pipe, the discharge pipe 6 is communicated with the inside of the shell 2, the support frame 7 is fixedly arranged on the right side inner wall surface of the shell 2, the support frame 7 has three groups, the support frame 7 is an L-shaped fixed frame, the upper end of the three groups of support frames 7 is fixedly provided with a buffer block 8, the buffer block 8 is a rectangular block made of rubber, the top end of the buffer block 8 is tightly attached to the frame 51, the lower part of the inner left side wall surface of the shell 2 is fixedly provided with a sloping plate 9, the sloping plate 9 is a rectangular plate gradually reducing in height from left to right, the position of the right side outer wall surface of the shell 2 corresponding to the sloping plate 9 is, the powder discharge pipe 17 communicates with the inside of the housing 2.

The outside wall fixed mounting in right side of shell 2 has gear box 15, gear box 15 is cavity form and gear box 15 is square box, the inside upper right side wall fixed mounting of gear box 15 has motor 10, the below parallel arrangement of motor 10 has two sets of dead levers 16, dead lever 16 fixed mounting is on the inside right side wall of gear box 15, motor 10 and two sets of dead levers 16 and three group frames from top to bottom are respectively at same horizontal position, dead lever 16 has cup jointed bearing 12 near the one end of shell 2, gear 11 has been cup jointed on the motor 10 output shaft, gear 11 has been cup jointed on two sets of bearings 12 equally, the transmission of excircle department of three group gear 11 is connected with chain 13, gear 11's left side movable mounting has rocking rod 14 and the total three groups of rocking rod 14, rocking rod 14 is the notch cuttype, the one end that rocking rod 14 kept away from gear 11 closely laminates with spout 52 right side.

The utility model discloses a theory of operation:

when using, through having set up sieving mechanism 5, the grit of equidimension not is filtered at the in-process of screening grit, pour the grit into from the top of inlet pipe 3, the grit gets into first layer screen device 5 through inlet pipe 3 and screens bulky grit, slide about two sets of slider 53 through the frame 51 inside, it slides to drive slider 53 wall on sliding connection's vertical filament net 54 simultaneously, horizontal filament net 55 and frame 51's inside wall fixed connection, slider 53 drives vertical filament net 54 and screens the less grit of volume to next layer screening device 5 when sliding about, following two-layer screening process is the same with first layer screening device 5, after the screening of grit process three-layer screening device 5, remaining powder particulate matter drops to swash plate 9 department, discharge through powder discharging pipe 17 under the tilt state of swash plate 9.

When the gravel screening device is used, the gear 11 is arranged to rotate in the gravel filtering process, the outer frame 51 continuously shakes up and down, gravel is better and faster screened, the gear box 15 is fixedly arranged on the right side wall surface of the shell 2, the motor 10 and the gear 11 are arranged inside the gear box 15, the bearing 12 is movably arranged inside the gear 11, the output shaft of the motor 10 drives the gear 11 to rotate, the gear 11 drives the rocker 14 fixedly arranged on the left side of the gear 11 to rotate through the chain 13 while rotating, the rocker 14 guides the frame 51 to shake up and down, the screening speed of gravel can be faster, the working efficiency is improved, the sliding block 53 inside the sliding groove 52 slides left and right in the shaking process, the vertical wire net 54 crosses the horizontal wire net 55 along with the leftward and rightward sliding of the sliding block 53 to filter gravel, and the net port blockage of the gravel screening device 5 is avoided, the cleaning of the machine by workers is reduced.

When the vibrating screen is used, the buffer block 8 is arranged, the support frame 7 is fixedly connected to the bottom of the buffer block 8, the frame 51 and the screen mesh have weight in the vibrating process of the frame 51, and therefore certain buffering can be achieved in the falling process of the frame 51, and the service life of the vibrating screen is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gravel screening device for construction site, comprising a gravel screening device (1), characterized in that: gravel screening device (1) includes shell (2), inlet pipe (3) and discharging pipe (6), shell (2) are the rectangle box and the inside of shell (2) is hollow form, inlet pipe (3) are trapezoidal form, inlet pipe (3) fixed mounting is in the inside intercommunication of the upper right side top position inlet pipe (3) and shell (2) of shell (2), screening device (5) are including frame (51), spout (52), slider (53), erect silk screen (54) and horizontal silk screen (55), frame (51) are through pivot movable mounting on the right side wall of fixed block (4) and frame (51) are the rectangle frame, spout (52) set up inside the rear side frame of frame (51), slider (53) movable mounting is the rectangle piece in the inside of spout (52) and slider (53), slider (53) are total two sets of, the top of buffer block (8) closely laminates with frame (51), an inclined plate (9) is fixedly arranged below the left side wall surface inside the shell (2), the inclined plate (9) is a rectangular plate with the height gradually reduced from left to right, a powder discharging pipe (17) is fixedly arranged at the position, corresponding to the inclined plate (9), of the right side outer wall surface of the shell (2), the powder discharging pipe (17) is a cylindrical pipe, the powder discharging pipe (17) is fixedly arranged on the outer wall surface of the right lower end of the shell (2) at the position corresponding to the inclined plate (9), the powder discharging pipe (17) is communicated with the inside of the shell (2), a gear box (15) is fixedly arranged on the right side outer wall surface of the shell (2), a motor (10) and two groups of fixing rods (16) are respectively positioned at the same horizontal position with three groups of frames from top to bottom, a bearing (12) is sleeved at one end, close to the shell (2), a gear (11) is sleeved on an output shaft of the motor (10, the excircle department transmission of three group gears (11) is connected with chain (13), and the left side movable mounting of gear (11) has rocker (14) and total three of rocker (14), and rocker (14) are the notch cuttype, and the one end and spout (52) right side bottom that gear (11) were kept away from in rocker (14) are closely laminated.

2. The gravel screening apparatus for construction sites of claim 1, wherein: the inside left side wall of shell (2) from the top down fixed mounting in proper order has three group fixed block (4), and the position that the inside of shell (2) corresponds fixed block (4) right side is provided with sieving mechanism (5) and sieving mechanism (5) have three groups.

3. The gravel screening apparatus for construction sites of claim 1, wherein: one end of the vertical screen (54) close to the sliding block (53) is fixedly connected with the front end wall surface of the sliding block, one end of the vertical screen (54) far away from the sliding block (53) is longitudinally and fixedly connected on the inner wall surface of the front end frame (51), two ends of the transverse screen (55) are respectively and transversely fixedly installed on the inner wall surfaces of the left side and the right side of the frame (51), and the vertical screen (54) and the transverse screen (55) are crossed to form a screen.

4. The gravel screening apparatus for construction sites of claim 1, wherein: discharging pipe (6) slope is fixed mounting in proper order downwards on the left side wall of shell (2), and discharging pipe (6) are total to be three groups and discharging pipe (6) correspond with the position of fixed block (4), and discharging pipe (6) are the inside intercommunication of cylindrical pipe and discharging pipe (6) and shell (2).

5. The gravel screening apparatus for construction sites of claim 1, wherein: support frame (7) fixed mounting just support frame (7) are total three groups on the right side internal face of shell (2), and support frame (7) are L shape mount, and the upper end fixed mounting of three group support frame (7) has buffer block (8), and buffer block (8) are the rectangular block of rubber material.

6. The gravel screening apparatus for construction sites of claim 1, wherein: the gear box (15) is hollow and the gear box (15) is a square box, a motor (10) is fixedly mounted on the inner right upper side wall surface of the gear box (15), two groups of fixing rods (16) are arranged below the motor (10) in parallel, and the fixing rods (16) are fixedly mounted on the inner right side wall surface of the gear box (15).