CN212468830U

CN212468830U - Swinging sand screening device for road and bridge construction

Info

Publication number: CN212468830U
Application number: CN202021091799.7U
Authority: CN
Inventors: 姚广柱; 岳英龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-05
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a road and bridge oscillating screening sand device for construction, including two bases, a plurality of bracing pieces of base fixedly connected with, upper end of the support bar fixedly connected with support frame, install screen frame, two on the support frame fixed mounting has the support between the support frame one end, fixed mounting has the motor on the support, motor output shaft fixedly connected with rolling disc, one side fixedly connected with connecting axle of motor is kept away from to the rolling disc, connecting axle and the non-coaxial setting of motor output shaft, the connecting axle rotates and is connected with the transfer line, the transfer line right-hand member articulates there is the fixed block, fixed block and screen frame left side wall fixed connection, first sliding tray has been seted up to the side on the support frame, the second sliding tray has been seted up to the screen frame downside. The utility model discloses in, when the motor rotated, the screen cloth had the multiple removal of horizontal direction and upper and lower direction to filter sand.

Description

Swinging sand screening device for road and bridge construction

Technical Field

The utility model relates to a road and bridge construction technical field especially relates to a road and bridge is oscillating screening sand device for construction.

Background

The sand screening machine is a common device in road and bridge construction and is mainly used for screening and removing large-volume stones and impurities in sand.

The sand screening machine that has now generally is vibrations formula sand screening machine, and the swing mode is single, makes tiny grains of sand pile up on the large granule that can't drop easily and can't fall through the screen cloth to plug up the screen cloth, consequently inefficiency, thereby influence the efficiency of screening sand, consequently, need improve current device, improve screening sand efficiency.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the swing type sand screening device for the road and bridge construction is single in swing mode and low in efficiency, and therefore the sand screening efficiency is affected.

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

a swing type sand screening device for road and bridge construction comprises two bases, wherein a plurality of supporting rods are fixedly connected with the bases, supporting frames are fixedly connected to the upper ends of the supporting rods, a screen frame is mounted on each supporting frame, a support is fixedly mounted between one ends of the two supporting frames, a motor is fixedly mounted on each support, a rotating disc is fixedly connected to an output shaft of the motor, a connecting shaft is fixedly connected to one side of the rotating disc, which is far away from the motor, and is not coaxially arranged with the output shaft of the motor, a transmission rod is rotatably connected with the connecting shaft, a fixed block is hinged to the right end of the transmission rod and is fixedly connected with the left side wall of the screen frame, a first sliding groove is formed in the upper side surface of each supporting frame, a second sliding groove is formed in the lower side surface of the screen frame, a rotating wheel is arranged between, and the screen frame is provided with a screen.

Preferably, the inner side of the supporting rod is fixedly connected with a baffle.

Preferably, the depth of the second sliding groove is smaller than the minimum radius of the rotating wheel.

Preferably, the side has seted up the spacing groove on the support frame, spacing inslot fixed mounting has the axis of rotation, rotate the wheel cover and establish in the axis of rotation, it sets up with the axis of rotation is concentric to rotate the wheel.

Preferably, the outer side of the rotating wheel is provided with an anti-slip sleeve, and the top wall of the second sliding groove is bonded with an anti-slip pad.

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

in the utility model, the motor output shaft drives the rotating disc to rotate through the rotation of the motor, the rotating disc drives the connecting shaft to do reciprocating circular motion with the motor output shaft as the center of a circle, the connecting shaft drives the transmission rod, the transmission rod drives the screen frame to do movement in the horizontal direction, the support frame is connected with the screen frame through the rotating wheel, when the screen frame does movement in the horizontal direction, the rotating wheel rotates, because the vertical section of the rotating wheel is a circular triangle, the distance between the central point of the circular triangle and the edge arc line is different, so the circular triangle moves at different heights in the rotating process around the central point, the screen frame above can move up and down when the rotating wheel rotates, thereby when the motor rotates, the screen can move in the horizontal direction and in the vertical direction, thus multiple vibration is generated, thereby the sand easy to pile up on the screen can pass through the, thereby screening the sand.

Drawings

Fig. 1 is a schematic structural view of an oscillating sand sieving device for road and bridge construction provided by the utility model;

fig. 2 is an enlarged schematic structural view of a point a of the swing type sand sieving device for road and bridge construction provided by the utility model;

fig. 3 is the utility model provides a road and bridge construction is with enlarged structure schematic diagram of B department of oscillating screening sand device.

In the figure: the device comprises a base 1, a supporting rod 2, a supporting frame 3, a baffle 4, a first sliding groove 5, a limiting groove 6, a rotating shaft 7, a rotating wheel 8, a screen frame 9, a fixing block 10, a bracket 11, a motor 12, a rotating disc 13, a connecting shaft 14, a transmission rod 15, a screen 16 and a second sliding groove 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a swinging sand screening device for road and bridge construction comprises two bases 1, wherein the bases 1 are fixedly connected with a plurality of support rods 2, the upper ends of the support rods 2 are fixedly connected with support frames 3, a screen frame 9 is installed on the support frames 3, a support 11 is fixedly installed between one ends of the two support frames 3, a motor 12 is fixedly installed on the support 11, an output shaft of the motor 12 is fixedly connected with a rotating disc 13, one side of the rotating disc 13, which is far away from the motor 12, is fixedly connected with a connecting shaft 14, the connecting shaft 14 and the motor output shaft are arranged non-coaxially, the non-coaxial state is that the output shaft of the motor 12 is not at the same point as the connecting shaft 14, when the output shaft of the motor 12 rotates, the connecting shaft 14 does circular motion by taking the output shaft of the motor 12 as the, first sliding tray 5 has been seted up to the side on support frame 3, second sliding tray 17 has been seted up to screen frame 9 downside, be equipped with between first sliding tray 5 and the second sliding tray 17 and rotate wheel 8, first sliding tray 5 can make with second sliding tray 17 to rotate wheel 8 and inlay and establish and remove in the spout, the vertical section who rotates wheel 8 is circular triangle, because the distance of circular triangle central point apart from marginal pitch arc is different, so circular triangle moves highly differently around the central point rotation in-process, install screen cloth 16 on the screen frame 9.

According to the preferable technical scheme in the embodiment, the inner side of the supporting rod 2 is fixedly connected with the baffle 4, and the baffle 4 can prevent screened sand from leaking outside the base laterally;

the depth of the second sliding groove 17 is smaller than the minimum radius of the rotating wheel 8, and the depth of the second sliding groove 17 is smaller than the minimum radius of the rotating wheel 8 so as to prevent the top of the rotating wheel 8 from being unable to contact the second sliding groove 17;

a limiting groove 6 is formed in the upper side face of the supporting frame 3, a rotating shaft 7 is fixedly installed in the limiting groove 6, the rotating wheel 8 is sleeved on the rotating shaft 7, the limiting groove 6 enables the rotating shaft 7 to be fixed better, and the rotating wheel 8 and the rotating shaft 7 are arranged concentrically;

the outer side of the rotating wheel 8 is provided with an anti-slip sleeve, and the top wall of the second sliding groove 17 is bonded with an anti-slip pad. The sliding sleeve and the anti-slip mat are used for increasing friction force and enabling the rotating wheel to rotate better.

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. The utility model provides a road and bridge oscillating screening sand device for construction, includes two bases (1), its characterized in that, base (1) a plurality of bracing pieces of fixedly connected with (2), bracing piece (2) upper end fixedly connected with support frame (3), install screen frame (9) on support frame (3), two fixedly mounted has support (11) between support frame (3) one end, fixedly mounted has motor (12) on support (11), motor (12) output shaft fixedly connected with rolling disc (13), one side fixedly connected with connecting axle (14) of motor (12) are kept away from in rolling disc (13), connecting axle (14) and the non-coaxial setting of motor (12) output shaft, connecting axle (14) rotate and are connected with transfer line (15), transfer line (15) right-hand member articulates there is fixed block (10), fixed block (10) and screen frame (9) left side wall fixed connection, first sliding tray (5) have been seted up to the side on support frame (3), second sliding tray (17) have been seted up to screen frame (9) downside, be equipped with between first sliding tray (5) and second sliding tray (17) and rotate wheel (8), the vertical cross-section who rotates wheel (8) is circular arc triangle-shaped, install screen cloth (16) on screen frame (9).

2. The swing type sand screening device for road and bridge construction according to claim 1 is characterized in that a baffle (4) is fixedly connected to the inner side of the supporting rod (2).

3. The oscillating sand screen for road and bridge construction according to claim 1, characterized in that the depth of the second sliding groove (17) is less than the minimum radius of the rotating wheel (8).

4. The swing type sand screening device for the road and bridge construction is characterized in that a limiting groove (6) is formed in the upper side face of the supporting frame (3), a rotating shaft (7) is fixedly installed in the limiting groove (6), the rotating wheel (8) is sleeved on the rotating shaft (7), and the rotating wheel (8) and the rotating shaft (7) are arranged concentrically.

5. The swing type sand screening device for road and bridge construction as claimed in claim 1, wherein an anti-skid sleeve is arranged on the outer side of the rotating wheel (8), and an anti-skid pad is adhered to the top wall of the second sliding groove (17).