CN210010175U

CN210010175U - Sand screening installation for road construction

Info

Publication number: CN210010175U
Application number: CN201920632194.5U
Authority: CN
Inventors: 袁航; 臧照良; 吴跃新; 严振武; 李文滔; 杨航; 张宇维; 曹志成; 柳卫; 祝文海
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-04
Anticipated expiration: 2029-05-06

Abstract

A sand screening installation for road construction, comprising: stand, feeder hopper, blown down tank and sieve material frame, the inside extrusion cabin that is provided with of sieve material frame, extrusion cabin middle part rotate and are connected with the squeeze roll, extrude the cabin upper end respectively with the feeder hopper intercommunication, sieve material frame left side upper portion is provided with the mounting panel, and mounting panel upper end fixed mounting has the second motor, and second motor output shaft outer lane fixed mounting has driving belt, and driving belt rotates and installs the squeeze roll, sieve material frame left side lower extreme fixed mounting has first motor, and sieve material frame right-hand member is provided with a plurality of discharge gates, and the discharge gate right side is provided with the buffer, and the screen cloth lower extreme slidable mounting has supporting wheel and cam respectively. Through the design of extrusion chamber and squeeze roll, avoid appearing the moist caking of sand and influence screening efficiency and screening quality, finally fall into sieve material frame bottom fine sand through twice screen cloth, have good market prospect.

Description

Sand screening installation for road construction

Technical Field

The utility model relates to a road construction sieve material technical field specifically is a sand screening installation for road construction.

Background

Sand refers to fine stone particles or sand-like objects, the sand (sand) is widely used and can be used for building, road repairing, filtering and breeding, the sand thickness degree refers to the average thickness degree of sand particles with different particle sizes mixed together, the sand (sand) is generally divided into coarse sand, medium sand and fine sand, a large amount of sand is needed in concrete materials, the sand particles with different diameter are needed according to different using environments, and screening is needed to complete the classification of sand raw materials in order to improve the stability of the quality of concrete.

Chinese patent (publication No. CN 208213660U, publication No. 2018.12.11) discloses sand screening equipment for road construction, and the documents are characterized in that the sand screening equipment comprises a box body and the like; the bottom half bilateral symmetry is equipped with the landing leg, and the inside hopper that connects that is equipped with in box below is equipped with the discharge gate in the middle of the bottom half, and the left side upper portion of box is equipped with drive arrangement, and upper portion is equipped with first sieving mechanism in the box, drive arrangement and the cooperation of first sieving mechanism. The utility model discloses a first sieving mechanism of drive arrangement drive and second sieving mechanism move to carry out the secondary screening to the sand, reached labour saving and time saving, efficient effect, its problem lies in that the automation level of above-mentioned equipment is relatively poor, does not have automatic feed arrangement, needs the manual work to feed in raw material, and intensity of labour is big, and can restrict the efficiency of screening installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sand screening installation is used in road 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:

a sand screening installation for road construction, comprising: the sand screening machine comprises a stand column, a feeding hopper, a discharge chute, a screening frame and a screen, wherein the stand column is fixedly installed above the ground, the upper end of the stand column is fixedly provided with the screening frame, the screening frame is made of stainless steel plates, the upper end of the screening frame is provided with the feeding hopper, the feeding hopper is funnel-shaped, sand to be screened is conveyed in, an extrusion chamber is arranged in the screening frame, the middle of the extrusion chamber is rotatably connected with an extrusion roller, the upper end of the extrusion chamber is respectively communicated with the feeding hopper, the upper part of the left side of the screening frame is provided with a mounting plate, the upper end of the mounting plate is fixedly provided with a second motor, a transmission belt is fixedly installed on the outer ring of an output shaft of the second motor, the transmission belt is rotatably provided with the extrusion roller, the transmission belt is used for completing the rotation driving;

the lower end of the left side of the screen frame is fixedly provided with a first motor, the upper end of the first motor is coaxially provided with a rotating vertical shaft, the middle part of the rotating vertical shaft is fixedly provided with two groups of first bevel gears, the first bevel gears are meshed with each other and provided with second bevel gears, the middle part of the inner ring of the second bevel gear is tightly assembled with a rotating cross shaft, the inner part of the upright post is provided with a plurality of pairs of bearings, the right end of the rotating cross shaft is fixedly arranged at the inner ring of the bearing at the right side of the upright post, the left end of the rotating cross shaft penetrates through the screen frame and is fixedly arranged at the inner ring of the bearing, the right end of the rotating cross shaft is fixedly provided with a support wheel, the left end of the rotating cross shaft is fixedly provided with a cam, the right end of the screen, the lower end of the mounting plate is rotatably mounted at the upper end of a rotating vertical shaft through a bearing, a sand guide plate is arranged at the bottom in a screen frame, a discharge chute is arranged at the bottom of the screen frame, the sand guide plate is arranged in a curve mode, the sand after screening is guided to be discharged from the discharge chute below, and blockage is avoided.

As a further aspect of the present invention: the feeder hopper middle part is provided with feeder hopper distributing block, and the smooth design of polishing is gone on feeder hopper distributing block surface, and feeder hopper distributing block is used for shunting the sand, avoids too concentrating the influence screening efficiency because of distributing.

As a further aspect of the present invention: the rotating horizontal shaft and the rotating vertical shaft are made of high manganese alloy steel materials.

As a further aspect of the present invention: the minor axis of the cam is the same as the diameter of the supporting wheel, and the upper end of the screen mesh can be moved to the right to be discharged while the material is screened by vibration.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, sand which is not screened enters through a feed hopper, is divided by a feed hopper material dividing block and then respectively enters the interior of an extrusion cabin, a second motor is started, the rotation of the second motor is transmitted to an extrusion roller through a transmission belt, the rotation driving of the extrusion roller is completed through the transmission belt, the sand which is not screened is preliminarily extruded through the design of the extrusion cabin and the extrusion roller, and the influence of the wet agglomeration of the sand on the screening efficiency and the screening quality is avoided; open first motor, first motor rotates and drives rotatory vertical axis and rotate, first bevel gear is installed in the rotatory vertical axis outside, the rotation of rotatory cross axle is accomplished in the connection through first bevel gear and second bevel gear, design through the cam, regular upper and lower vibration action can appear to the screen cloth, accomplish the sieve material to the sand, be greater than the mesh have the screen cloth right side to discharge, screen cloth design through both sides, can carry out the screening that segments more to the sand, finally fall into the fine sand of sieve material frame bottom through the twice screen cloth, discharge through the blown down tank, accomplish the multistage layering screening to the sand, and avoid the sand caking to the influence of screening, good market prospect has.

Drawings

Fig. 1 is a schematic structural view of sand screening equipment for road construction in embodiment 1.

Fig. 2 is a schematic structural view of the sand screening apparatus for road construction of embodiment 2.

Fig. 3 is a schematic structural view of a buffer portion in the sand screening apparatus for road construction according to embodiment 2.

Fig. 4 is a schematic structural view of a cam in the sand screening apparatus for road construction of embodiment 1.

In the figure: 1-upright column, 2-feed hopper, 3-discharge chute, 4-first motor, 5-sand guide plate, 6-screening frame, 7-rotating transverse shaft, 8-first bevel gear, 9-supporting wheel, 10-second bevel gear, 11-cam, 12-rotating vertical shaft, 13-bearing, 14-mounting plate, 15-feed hopper distributing block, 16-screen, 17-extrusion cabin, 18-second motor, 19-extrusion roller, 20-driving belt, 21-buffer part, 22-diagonal brace rod, 23-supporting plate and 24-spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1, a sand screening apparatus for road construction includes: the screening device comprises an upright post 1, a feeding hopper 2, a discharging groove 3, a screen frame 6 and a screen 16, wherein the upright post 1 is fixedly arranged above the ground, the upper end of the upright post 1 is fixedly provided with the screen frame 6, the screen frame 6 is made of stainless steel plates, the upper end of the screen frame 6 is provided with the feeding hopper 2, the feeding hopper 2 is funnel-shaped and conveys sand to be screened, the middle part of the feeding hopper 2 is provided with a feeding hopper distributing block 15, the surface of the feeding hopper distributing block 15 is polished smoothly, the feeding hopper distributing block 15 is used for distributing the sand to avoid influencing the screening efficiency due to over-concentrated distribution, the lower end of the left side of the screen frame 6 is fixedly provided with a first motor 4, the upper end of the first motor 4 is coaxially provided with a rotating vertical shaft 12, the middle part of the rotating vertical shaft 12 is fixedly provided with two groups of first bevel gears 8, the first bevel gears 8 are, the rotary transverse shaft 7 and the rotary vertical shaft 12 are made of high manganese alloy steel materials, a plurality of pairs of bearings 13 are arranged inside the upright post 1, the right end of the rotary transverse shaft 7 is fixedly arranged at the inner ring of the bearing 13 at the right side of the upright post 1, the left end of the rotary transverse shaft 7 penetrates through the screen frame 6 and is fixedly arranged at the inner ring of the bearing 13, the right end of the rotary transverse shaft 7 is fixedly provided with a supporting wheel 9, the left end of the rotary transverse shaft 7 is fixedly provided with a cam 11, the right end of the screen frame 6 is provided with a plurality of discharge ports, the right side of the screen 16 is rotatably connected above the discharge ports, the left side of the screen 16 is provided with a flange to prevent sand which is not screened from falling, the screen 16 is made of aluminum alloy steel wire mesh, the diameter of the screen 16 at the upper layer is larger than that of, cam 11 is rotatory round, because cam 11's major and minor axis, can let screen cloth 16 appear jolting from top to bottom, thereby accomplish the shale shaker material action to screen cloth 16 top sieve material, cam 11's minor axis is the same with the diameter of supporting wheel 9, when expecting through the shale shaker, can accomplish and move right to discharge to screen cloth 16 upper end, 6 left side upper portions of sieve material frame are provided with mounting panel 14, the upper end at rotatory vertical axis 12 is installed through the bearing rotation to mounting panel 14 lower extreme, the bottom is provided with leads husky board 5 in the

sieve material frame

6, 6 bottoms of sieve material frame are provided with blown down tank 3, it adopts the curve setting to lead husky board 5, the blown down tank 3 of the sand below of guide after the screening, avoid appearing blockking up.

Example 2

Referring to fig. 2, a sand screening apparatus for road construction includes: the screening device comprises an upright post 1, a feeding hopper 2, a discharge chute 3, a screen frame 6 and a screen 16, wherein the upright post 1 is fixedly arranged above the ground, the screen frame 6 is fixedly arranged at the upper end of the upright post 1, the screen frame 6 is made of stainless steel plate, the upper end of the screen frame 6 is provided with the feeding hopper 2, the feeding hopper 2 is funnel-shaped and conveys sand to be screened, a feeding hopper distributing block 15 is arranged in the middle of the feeding hopper 2, the surface of the feeding hopper distributing block 15 is polished smoothly, the feeding hopper distributing block 15 is used for distributing the sand to avoid influencing the screening efficiency due to over-concentrated distribution, an extrusion cabin 17 is arranged inside the screen frame 6, the middle of the extrusion cabin 17 is rotatably connected with an extrusion roller 19, the upper ends of the extrusion cabins 17 are respectively communicated with the feeding hopper 2, the upper part of the left side of the screen frame 6 is provided with a mounting plate 14, the upper, the transmission belt 20 is rotatably provided with the extrusion roller 19, the transmission belt 20 is used for driving the extrusion roller 19 to rotate, and through the design of the extrusion chamber 17 and the extrusion roller 19, sand which is not screened is preliminarily extruded, so that the influence of wet caking of the sand on screening efficiency and screening quality is avoided;

the screening device is characterized in that a first motor 4 is fixedly installed at the lower end of the left side of a screening frame 6, a rotating vertical shaft 12 is coaxially installed at the upper end of the first motor 4, two groups of first bevel gears 8 are fixedly installed in the middle of the rotating vertical shaft 12, a second bevel gear 10 is installed in a meshed mode on the first bevel gears 8, a rotating cross shaft 7 is installed in the middle of an inner ring of the second bevel gear 10 in a tight fit mode, the rotating cross shaft 7 and the rotating vertical shaft 12 are made of high manganese alloy steel materials, a plurality of pairs of bearings 13 are arranged inside a stand column 1, the right end of the rotating cross shaft 7 is fixedly installed in an inner ring of a right bearing 13 of the stand column 1, the left end of the rotating cross shaft 7 penetrates through the screening frame 6 and is fixedly installed in an inner ring of the bearing 13, a supporting wheel 9 is fixedly installed at the right end of the rotating cross shaft 7, a supporting plate 23 and a spring 24, a supporting plate 23 is arranged on the right side of the screen frame 6, an inclined strut 22 is arranged at the lower end of the supporting plate 23 for supporting, two sets of springs 24 are arranged at the upper end of the supporting plate 23, the lower part of the spring 24 is fixed on the supporting plate 23 through screws, the upper part of the spring 24 is fixed at the lower right corner of the screen 16 through screws, the screen 16 is connected with the supporting plate 23 through the spring 24, the buffer mounted at the right side of the screen 16 is increased through the arrangement of a buffer part 21, the screening quality is improved, a flange is arranged at the left side of the screen 16, the sand which is not screened is prevented from falling off, the screen 16 is made of an aluminum alloy steel wire mesh, the mesh diameter of the screen 16 at the upper layer is larger than that at the lower layer, the sand is screened in a grading manner, a supporting wheel 9, because the major and minor axis of cam 11, can let screen cloth 16 appear jolting from top to bottom, thereby accomplish the shale shaker material action to screen cloth 16 top sieve material, the minor axis of cam 11 is the same with the diameter of supporting wheel 9, when through the shale shaker material, can accomplish to move to the right side to discharging to the screen cloth 16 upper end, the upper end at rotatory vertical axis 12 is installed through bearing rotation to mounting panel 14 lower extreme, the bottom is provided with leads husky board 5 in sieve material frame 6, sieve material frame 6 bottom is provided with blown down tank 3, it adopts the curve setting to lead husky board 5, guide the blown down tank 3 of sand discharge below after the screening, avoid appearing blockking up.

The technical principle is as follows: firstly, sand which is not screened enters through a feed hopper 2, is divided by a feed hopper distributor block 15 and then respectively enters into an extrusion cabin 17, a second motor 18 is started, the rotation of the second motor 18 is transmitted to an extrusion roller 19 through a transmission belt 20, the influence of agglomeration of the sand is eliminated through the extrusion of the extrusion roller 19 and the extrusion cabin 17, and the sand falls above a screen 16; open first motor 4, first motor 4 rotates and drives rotatory vertical axis 12 and rotate, first bevel gear 8 is installed in rotatory vertical axis 12 outside, the rotation of rotatory cross axle 7 is accomplished in the connection through first bevel gear 8 and second bevel gear 10, design through cam 11, screen cloth 16 can appear regular upper and lower vibration action, accomplish the sieve material to the sand, be greater than the mesh have the discharge on screen cloth 16 right side, screen cloth 16 design through both sides, can carry out the screening that segments more to the sand, finally fall into the fine sand in 6 bottoms of sieve material frame through twice screen cloth 16, discharge through blown down tank 3, accomplish the multistage layering screening to the sand, and avoid the sand caking to the influence of screening, good market prospect has.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sand screening installation for road construction, comprising: the screening device comprises a stand column (1), a feeding hopper (2), a discharge chute (3) and a screening frame (6), wherein the screening frame (6) is fixedly installed at the upper end of the stand column (1), the feeding hopper (2) is arranged at the upper end of the screening frame (6), the discharge chute (3) is arranged at the bottom of the screening frame (6), and is characterized in that an extrusion cabin (17) is arranged inside the screening frame (6), the middle part of the extrusion cabin (17) is rotatably connected with an extrusion roller (19), the upper end of the extrusion cabin (17) is respectively communicated with the feeding hopper (2), a mounting plate (14) is arranged at the upper part of the left side of the screening frame (6), a second motor (18) is fixedly installed at the upper end of the mounting plate (14), a transmission belt (20) is fixedly installed at the outer ring of an output shaft of the second motor (18), the extrusion roller (19) is rotatably installed on the transmission belt (20), a first motor (4) is fixedly installed at, two groups of first bevel gears (8) are fixedly mounted in the middle of a rotating vertical shaft (12), the first bevel gears (8) are meshed with each other and provided with second bevel gears (10), a rotating cross shaft (7) is mounted in the middle of the inner ring of the second bevel gears (10) in a tight fit manner, a plurality of pairs of bearings (13) are arranged in the upright column (1), the right end of the rotating cross shaft (7) is fixedly mounted in the inner ring of the bearing (13), the left end of the rotating cross shaft (7) penetrates through a sieve frame (6) and is fixedly mounted in the inner ring of the bearing (13), a supporting wheel (9) is fixedly mounted at the right end of the rotating cross shaft (7), a cam (11) is fixedly mounted at the left end of the rotating cross shaft (7), a plurality of discharge ports are arranged at the right end of the sieve frame (6), a buffering part (21) is arranged at the right side of the discharge ports, a supporting wheel (9), the bottom in the screening frame (6) is provided with a sand guide plate (5).

2. The sand screening apparatus for road construction according to claim 1, wherein: stand (1) fixed mounting is in ground top, and sieve material frame (6) are stainless steel sheet material and make, and feeder hopper (2) are hourglass hopper-shaped.

3. The sand screening apparatus for road construction according to claim 2, wherein: and a feed hopper distributing block (15) is arranged in the middle of the feed hopper (2).

4. The sand screening apparatus for road construction according to claim 3, wherein: the rotating horizontal shaft (7) and the rotating vertical shaft (12) are made of high manganese alloy steel materials.

5. The sand screening apparatus for road construction according to claim 4, wherein: buffer portion (21) is including diagonal brace (22), backup pad (23) and spring (24), and sieve material frame (6) right side is provided with backup pad (23), and backup pad (23) lower extreme is provided with diagonal brace (22) and is used for supporting, and backup pad (23) upper end is provided with two sets of springs (24), and the screw fixation is passed through on backup pad (23) spring (24) below, and screw fixation is passed through to spring (24) top in screen cloth (16) lower right corner bottom.

6. The sand screening apparatus for road construction according to any one of claims 1 to 5, wherein: the left side of the screen (16) is provided with a flange, the screen (16) is made of an aluminum alloy steel wire mesh, the mesh diameter of the screen (16) on the upper layer is larger than that of the screen on the lower layer, the cam (11) is of an oval structure, and the short shaft of the cam (11) is the same as the diameter of the supporting wheel (9).