CN210098233U

CN210098233U - Road and bridge construction is with high-efficient sieving mechanism of sand with dustproof function

Info

Publication number: CN210098233U
Application number: CN201920512531.7U
Authority: CN
Inventors: 鲍富刚
Original assignee: Guangdong Jingtong Highway Engineering Construction Group Co Ltd
Current assignee: Guangdong Jingtong Highway Engineering Construction Group Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-02-21
Anticipated expiration: 2029-04-12

Abstract

The utility model belongs to the technical field of the screening technique and specifically relates to a high-efficient sieving mechanism of sand for road and bridge construction with dustproof function, the power distribution box comprises a box body, the outside one side fixed mounting of box has the box door, the inside upper end of box is provided with the screening cylinder through hinge structure, screening cylinder upper end fixed mounting has the cylinder feed inlet, the box internal rotation of screening cylinder lower extreme is provided with driven shaft, driven shaft middle part fixed mounting has the cam, fixed mounting has the baffle disc in the box of cam lower extreme, the box internal rotation of baffle disc lower extreme is provided with the initiative pivot, the inside lower extreme of box all fixed mounting all around has hydraulic telescoping rod, hydraulic telescoping rod upper end fixed mounting has the screening net, the equal fixed mounting in screening net both sides has the articulated seat. The device utilizes the secondary screening can improve the screening efficiency of sand, selects the higher road and bridge sand for construction of quality.

Description

Road and bridge construction is with high-efficient sieving mechanism of sand with dustproof function

Technical Field

The utility model relates to a screening technical field especially relates to a high-efficient sieving mechanism of sand is used in road and bridge construction with dustproof function.

Background

Road and bridge construction is an important link in bridge building, and reinforced concrete needs to be poured in the process of construction, so that sand is an important raw material for production, the sand is usually required to be screened before use, the traditional screening mode is manual screening, manpower and material resources are wasted, the screening efficiency is low, and the screened sand is not required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the road and bridge construction that provides is with high-efficient sieving mechanism of sand with dustproof function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-efficiency screening device for sand for road and bridge construction with a dustproof function is designed, and comprises a box body, wherein a box body door is fixedly mounted on one side outside the box body, a screening roller is arranged at the upper end inside the box body through a hinged structure, a roller feed inlet is fixedly mounted at the upper end of the screening roller, a driven rotating shaft is arranged in the box body at the lower end of the screening roller in a rotating mode, penetrates through the box body and extends out of the box body, a cam is fixedly mounted in the middle of the driven rotating shaft, a guide plate is fixedly mounted in the box body at the lower end of the cam, a driving rotating shaft is arranged in the box body at the lower end of the guide plate in a rotating mode, penetrates through the box body and extends out of the box body, hydraulic telescopic rods are fixedly mounted on the periphery of the lower end inside the box body, a screening net, articulated on the articulated second hinge bar that has on the fourth hinge seat, initiative pivot both ends in the box all are provided with the external screw thread, and both sides external screw thread revolves to opposite, it is provided with the nut to rotate in the initiative pivot of external screw thread surface, nut lower extreme fixed mounting has the third hinge seat, and the second hinge bar other end articulates on the third hinge seat, outside one side of box is provided with servo motor, and servo motor's output shaft and initiative pivot fixed connection, be connected through transmission structure between the outer initiative pivot of box and the driven spindle.

Preferably, the lower end of the screening roller is fixedly provided with a rubber base.

Preferably, support columns are fixedly mounted on the periphery of the lower end of the box body.

Preferably, the hinge structure comprises second hinge seats fixedly arranged on two sides of the upper end in the box body and first hinge seats fixedly arranged on two sides of the screening roller, and a first hinge rod is hinged between each first hinge seat and the adjacent second hinge seat.

Preferably, the transmission structure includes the epaxial action wheel of fixed mounting initiative pivot and the epaxial driven driving wheel of fixed mounting driven spindle, and is provided with the belt between driven wheel and the action wheel.

The utility model provides a pair of road and bridge construction is with high-efficient sieving mechanism of sand with dustproof function, beneficial effect lies in: this high-efficient sieving mechanism of sand for road and bridge construction with dustproof function simple structure uses convenient operation, and the device utilizes the secondary screening can improve the screening efficiency of sand, selects the higher sand for road and bridge construction of quality, and the device just can realize a plurality of functions with a motor moreover, very big saving manufacturing cost.

Drawings

Fig. 1 is the utility model provides a road and bridge construction is with high-efficient sieving mechanism of sand's main structure schematic diagram with dustproof function.

Fig. 2 is the utility model provides a road and bridge construction is with high-efficient sieving mechanism of sand looks sideways at schematic structure with dustproof function.

In the figure: the automatic feeding device comprises a box body 1, a hydraulic telescopic rod 2, a screening net 3, a material guide plate 4, a driven rotating shaft 5, a first hinged seat 6, a second hinged seat 7, a roller feeding hole 8, a first hinged rod 9, a screening roller 10, a rubber base 11, a cam 12, a driving rotating shaft 13, a supporting column 14, a driving wheel 15, a servo motor 16, a box body door 17, a belt 18, a driven wheel 19, a third hinged seat 20, a nut 21, a second hinged rod 22, a fourth hinged seat 23 and external threads 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a road and bridge construction is with high-efficient sieving mechanism of sand with dustproof function, including box 1, equal fixed mounting all around of box 1 lower extreme has

support column

14, 1 outside one side fixed mounting of box has

box door

17, 1 inside upper end of box is provided with screening cylinder 10 through hinge structure, hinge structure includes the articulated seat of second 7 and the first articulated seat 6 of fixed mounting in screening cylinder 10 both sides of fixed mounting in 1 inside upper end both sides of box, and it has first articulated rod 9 to articulate between the articulated seat of first articulated seat 6 and the adjacent articulated seat of second 7, 10 lower extreme fixed mounting of screening cylinder has rubber base 11, 10 upper end fixed mounting of screening cylinder has cylinder feed inlet 8.

A driven rotating shaft 5 is rotatably arranged in a box body 1 at the lower end of the screening roller 10, the driven rotating shaft 5 penetrates through the box body 1 and extends out of the box body 1, a cam 12 is fixedly arranged in the middle of the driven rotating shaft 5, a rubber base 11 can prevent the cam 12 from damaging the screening roller 10 when rotating, a material guide plate 4 is fixedly arranged in the box body 1 at the lower end of the cam 12, a driving rotating shaft 13 is rotatably arranged in the box body 1 at the lower end of the material guide plate 4, the driving rotating shaft 13 penetrates through the box body 1 and extends out of the box body 1, hydraulic telescopic rods 2 are fixedly arranged around the lower end in the box body 1, a screening net 3 is fixedly arranged at the upper end of each hydraulic telescopic rod 2, the screening net 3 is positioned at the lower end of the driving rotating shaft 13, fourth hinge seats 23 are fixedly arranged at two sides of the screening net 3, second hinge rods 22 are, and the external threads 24 on the two sides have opposite rotating directions, the nut 21 is rotatably arranged on the driving rotating shaft 13 on the outer surface of the external threads 24, the third hinge seat 20 is fixedly arranged at the lower end of the nut 21, and the other end of the second hinge rod 22 is hinged on the third hinge seat 20.

A servo motor 16 is arranged on one side outside the box body 1, the servo motor 16 is connected with an external power supply through an electric wire, an output shaft of the servo motor 16 is fixedly connected with the driving rotating shaft 13, and the driving rotating shaft 13 outside the box body 1 is connected with the driven rotating shaft 5 through a transmission structure. The transmission structure comprises a driving wheel 15 fixedly mounted on the driving rotating shaft 13 and a driven wheel 19 fixedly mounted on the driven rotating shaft 5, and a belt 18 is arranged between the driven wheel 19 and the driving wheel 15.

The implementation mode is as follows: when in use, the servo motor 16 is turned on, the servo motor 16 firstly rotates in a positive direction to drive the driving rotating shaft 13 to rotate, the driving rotating shaft 13 rotates to drive the nuts 21 on the two sides to slide oppositely, the inclination angle of the second hinge rod 22 is changed through the third hinge seat 20 when the nuts 21 slide, when the inclination angles of the second hinged rods 22 on the two sides are changed, the second hinged rods 22 drive the screening net 3 to move upwards, the driving rotating shaft 13 rotates to drive the driven rotating shaft 5 to rotate through the transmission structure, the driven rotating shaft 5 rotates to drive the cam 12 to rotate, the cam 12 continuously collides with the rubber base 11 when rotating to enable the screening roller 10 to shake, sand in the screening roller 10 is screened and leaked for the first time, and the leaked sand enters the screening net 3 through the material guide plate 4 to be screened for the second time, and the servo motor 16 can drive the driving rotating shaft 13 to rotate back and forth, so that the screening net 3 shakes up and down to screen sand.

The above, 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.

Claims

1. A road and bridge construction sand efficient screening device with a dustproof function comprises a box body (1), wherein a box body door (17) is fixedly installed on one side of the outer portion of the box body (1), and is characterized in that a screening roller (10) is arranged at the upper end of the inner portion of the box body (1) through a hinged structure, a roller feeding hole (8) is fixedly installed at the upper end of the screening roller (10), a driven rotating shaft (5) is rotatably arranged in the box body (1) at the lower end of the screening roller (10), the driven rotating shaft (5) penetrates through the box body (1) and extends out of the box body (1), a cam (12) is fixedly installed in the middle of the driven rotating shaft (5), a material guide plate (4) is fixedly installed in the box body (1) at the lower end of the cam (12), a driving rotating shaft (13) is rotatably arranged in the box body (1) at the lower end of the material guide plate (4, the box body (1) is characterized in that hydraulic telescopic rods (2) are fixedly mounted on the periphery of the inner lower end of the box body (1), a screening net (3) is fixedly mounted on the upper end of each hydraulic telescopic rod (2), the screening net (3) is located at the lower end of an active rotating shaft (13), fourth hinged seats (23) are fixedly mounted on two sides of each screening net (3), second hinged rods (22) are hinged to the fourth hinged seats (23), external threads (24) are arranged at two ends of the active rotating shaft (13) in the box body (1) respectively, the rotating directions of the external threads (24) on two sides are opposite, nuts (21) are rotatably arranged on the active rotating shafts (13) on the outer surfaces of the external threads (24), third hinged seats (20) are fixedly mounted at the lower ends of the nuts (21), the other ends of the second hinged rods (22) are hinged to the third hinged seats (20), and a servo motor (16) is arranged on, and the output shaft of the servo motor (16) is fixedly connected with the driving rotating shaft (13), and the driving rotating shaft (13) outside the box body (1) is connected with the driven rotating shaft (5) through a transmission structure.

2. The sand screening device with the dust-proof function for road and bridge construction as claimed in claim 1, wherein a rubber base (11) is fixedly installed at the lower end of the screening drum (10).

3. The efficient sand screening device with the dustproof function for road and bridge construction as claimed in claim 1, wherein support columns (14) are fixedly mounted around the lower end of the box body (1).

4. The sand screening device with dust prevention function for road and bridge construction according to claim 1, wherein the hinge structure comprises second hinge seats (7) fixedly installed at both sides of the upper end inside the box body (1) and first hinge seats (6) fixedly installed at both sides of the screening drum (10), and a first hinge rod (9) is hinged between the first hinge seat (6) and the adjacent second hinge seat (7).

5. The sand screening device with the dustproof function for road and bridge construction as claimed in claim 1, wherein the transmission structure comprises a driving wheel (15) fixedly mounted on the driving rotating shaft (13) and a driven wheel (19) fixedly mounted on the driven rotating shaft (5), and a belt (18) is arranged between the driven wheel (19) and the driving wheel (15).