CN213529565U

CN213529565U - Aggregate screening net for concrete experiments

Info

Publication number: CN213529565U
Application number: CN202022196910.5U
Authority: CN
Inventors: 王嫩晓
Original assignee: Shenyang Tengyu Concrete Co ltd
Current assignee: Liu Yang
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-25
Anticipated expiration: 2030-09-28

Abstract

The utility model provides an aggregate screening net for concrete experiments relates to concrete experiments technical field. This aggregate screening net for concrete experiments, including the support column, the quantity of support column is four, is provided with two mounting panels between four support columns, all through two bracing piece fixed connection between two support columns that are located the place ahead and between two support columns that are located the rear, and two mounting panels are located between four bracing pieces, and the one side that two mounting panels are close to each other all articulates there is a plurality of rubber wheel, and fixed plate fixed connection is passed through to the right flank of two mounting panels. This aggregate screening net for concrete experiments through setting up installing frame and filter plate, has reached and has distributed the granule aggregate of different particle diameters on each filter plate from the top down according to the diameter in proper order from big to little, has solved present screening net and can cause different particle diameter aggregates to mix at the screening in-process, to the easy problem that produces the error of comparatively accurate experiment.

Description

Aggregate screening net for concrete experiments

Technical Field

The utility model relates to a concrete experiment technical field specifically is an aggregate screening net for concrete experiments.

Background

The unqualified quality of the concrete raw material can cause the unqualified integral quality of the concrete. Generally, a small amount of raw materials are used for testing before formal pouring so as to test various performance parameters of concrete, and then whether the prepared concrete is qualified is judged, and the concrete is further applied to actual building construction operation.

Need carry out the testing to the aggregate sand of raw materials in the experiment, but present screen cloth can cause different particle diameter aggregates to mix at screening in-process, produces the error easily to comparatively accurate experiment, consequently provides an aggregate screen cloth for concrete experiments.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an aggregate screening net for concrete experiments has solved present screening net and can cause different particle diameter aggregates to mix at the screening in-process, to the easy problem that produces the error of comparatively accurate experiment.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an aggregate screening net for concrete experiments comprises four supporting columns, wherein two mounting plates are arranged between the four supporting columns, two supporting columns positioned in the front are fixedly connected with two supporting columns positioned in the rear through two supporting rods, the two mounting plates are positioned between the four supporting rods, one surfaces, close to each other, of the two mounting plates are hinged with a plurality of rubber wheels, the right side surfaces of the two mounting plates are fixedly connected through a fixing plate, two cross rods are arranged below the plurality of rubber wheels, two ends of the two cross rods are respectively fixedly connected with one surfaces, close to each other, of the two mounting plates, six mounting frames are arranged above the two cross rods, the six mounting frames are positioned between the plurality of rubber wheels, filter plates are fixedly inserted in the six mounting frames, a rotating plate is arranged on the left side of the two mounting plates, the lower end of the rotating plate is rotatably sleeved on the outer surface of the cross rod positioned, the equal fixedly connected with installation piece of upper surface of two mounting panels, the right flank of two installation pieces all rotates and runs through there is the back shaft, and the left side of rotor plate is provided with two baffles, and two baffles are fixed the left end of cup jointing at two back shafts respectively.

The outer surfaces of the four supporting rods are respectively sleeved with two fixed blocks in a sliding manner, one ends of the eight fixed blocks, which are far away from the four supporting rods, are respectively and fixedly connected with one surfaces, which are far away from the two mounting plates, of the eight mounting plates, the left sides of the eight fixed blocks are respectively and fixedly connected with a reset spring, the left ends of the eight reset springs are respectively and fixedly sleeved on the outer surfaces of the four supporting rods, the two supporting columns on the right side are fixedly connected through a mounting rack, the mounting rack is positioned above the four supporting rods, the upper surface of the mounting rack is fixedly penetrated with a motor, the right side surface of the fixing plate is fixedly connected with a transmission rod, the right side of the transmission rod is provided with an, the receiving hopper is fixedly sleeved on the outer surfaces of the four supporting columns.

Preferably, four support columns parallel arrangement, the universal wheel is all installed to the lower extreme of four support columns.

Preferably, the right end of the transmission rod is hinged with a pulley, and the right end of the pulley is in rolling contact with the circumferential side face of the eccentric wheel.

Preferably, the top of two mounting panels is provided with the water conservancy diversion fill, and the bottom surface and the equal fixed connection of two mounting panels of water conservancy diversion fill.

Preferably, six installation frames are arranged in parallel, and the six installation frames are distributed between the rotating plate and the fixed plate at equal intervals.

Preferably, the shape of the material receiving hopper is a boss shape, and the material receiving hopper and the four support columns are all vertically arranged.

(III) advantageous effects

The utility model provides an aggregate screening net for concrete experiments. The method has the following beneficial effects:

1. this aggregate screening net for concrete experiments, through setting up installing frame and filter plate, pour the concrete sample into the filter plate of the top from the top on, a plurality of filter plates are flowed through gradually at filterable in-process sample, the from the top down filterable particle diameter of filter plate reduces gradually, reached and distributed the granule aggregate of different particle diameters on each filter plate from the top down in proper order according to the diameter from big to little effect, solved present screening net can cause different particle diameter aggregates to mix at the screening in-process, the problem to the easy production error of comparatively accurate experiment.

2. This aggregate screening net for concrete experiments, through setting up the eccentric wheel, transfer line and reset spring, when filtering, the starter motor drives the eccentric wheel and drives eccentric rotation, constantly promotes the transfer line when the eccentric wheel is eccentric rotation, and reset spring promotes transfer line and eccentric wheel through fixed block and mounting panel and contacts always simultaneously to the eccentric wheel is when rotating, rocks about driving the filter plate through the mounting panel, has reached the effect that improves the speed of filter plate screening, has solved the lower problem of speed when the filter plate is screening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the eccentric wheel and the pulley of the present invention;

FIG. 3 is a schematic view of the connection between the rotating plate and the cross bar of the present invention;

fig. 4 is a schematic view of the connection between the filter plate and the mounting frame of the present invention.

The device comprises a support column 1, a support rod 2, a mounting plate 3, a rubber wheel 4, a fixing plate 5, a cross rod 6, a mounting frame 7, a rotating plate 8, a support shaft 9, a mounting block 10, a baffle 11, a fixing block 12, a fixing ring 13, a return spring 14, a mounting frame 15, a motor 16, an eccentric wheel 17, a transmission rod 18, a receiving hopper 19, a universal wheel 20, a pulley 21, a flow guide hopper 22 and a filter plate 23.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides an aggregate screening net for concrete experiments, as shown in figure 1-4, the aggregate screening net comprises four support columns 1, four support columns 1 are arranged in parallel, universal wheels 20 are arranged at the lower ends of the four support columns 1, the universal wheels 20 are arranged to facilitate the movement of the device, two mounting plates 3 are arranged between the four support columns 1, two support columns 1 positioned in the front and two support columns 1 positioned in the rear are fixedly connected through two support rods 2, two mounting plates 3 are positioned between the four support rods 2, one surfaces of the two mounting plates 3 close to each other are hinged with a plurality of rubber wheels 4, the right side surfaces of the two mounting plates 3 are fixedly connected through a fixing plate 5, two cross rods 6 are arranged below the rubber wheels 4, and two ends of the two cross rods 6 are respectively fixedly connected with the surfaces of the two mounting plates 3 close to each other, six installation frames 7 are arranged above the two cross rods 6, the six installation frames 7 are all positioned between the plurality of rubber wheels 4, the rubber wheels 4 can deform and can clamp the installation frames 7, the six installation frames 7 are arranged in parallel, the six installation frames 7 are distributed between the rotating plate 8 and the fixed plate 5 at equal intervals, the number of the installation frames 7 can be changed according to requirements, filter plates 23 are fixedly inserted in the six installation frames 7, the diameters of aggregate particles filtered from top to bottom of the filter plates 23 are gradually reduced, the rotating plate 8 is arranged on the left side of the two installation plates 3, the lower end of the rotating plate 8 is rotatably sleeved on the outer surface of the cross rod 6 on the left side, the upper surfaces of the two installation plates 3 are fixedly connected with installation blocks 10, the right side surfaces of the two installation blocks 10 are rotatably penetrated with support shafts 9, the left side of the rotating plate 8 is provided with two baffle plates 11, the two baffle plates 11 are respectively fixedly sleeved at the left ends, the top of two mounting panels 3 is provided with water conservancy diversion fill 22, and water conservancy diversion fill 22 guarantees that the concrete sample can flow on filter plate 23, and the bottom surface and the equal fixed connection of two mounting panels 3 of water conservancy diversion fill 22.

The outer surfaces of the four supporting rods 2 are respectively sleeved with two fixed blocks 12 in a sliding manner, one ends of the eight fixed blocks 12, which are far away from the four supporting rods 2, are respectively fixedly connected with one surfaces, which are far away from the two mounting plates 3, of the eight fixed blocks 12, the left side surfaces of the eight fixed blocks 12 are respectively fixedly connected with a reset spring 14, the reset springs 14 are in a compressed state, the left ends of the eight reset springs 14 are respectively fixedly connected with a fixed ring 13, the eight fixed rings 13 are respectively fixedly sleeved on the outer surfaces of the four supporting rods 2, the eight reset springs 14 are respectively fixedly sleeved on the outer surfaces of the four supporting rods 2, the two supporting columns 1 positioned on the right side are fixedly connected through a mounting rack 15, the mounting rack 15 is positioned above the four supporting rods 2, the upper surface of the mounting rack 15 is, the right end of the transmission rod 18 is hinged with a pulley 21, the right end of the pulley 21 is in rolling contact with the circumferential side face of the eccentric wheel 17, the pulley 21 reduces friction force between the eccentric wheel 17 and the transmission rod 18, the eccentric wheel 17 is located below the motor 16, the eccentric wheel 17 is fixedly sleeved at the output end of the motor 16, a receiving hopper 19 is arranged below the two mounting plates 3, the receiving hopper 19 is fixedly sleeved on the outer surfaces of the four support columns 1, the receiving hopper 19 is in a boss shape, and the receiving hopper 19 and the four support columns 1 are all vertically arranged.

The working principle is that a concrete sample is poured onto the uppermost filter plate 23 from the top, the sample gradually flows through a plurality of filter plates 23 in the filtering process, the diameters of particles filtered from top to bottom of the filter plates 23 are gradually reduced, particle aggregates with different particle sizes are left on each filter plate 23 from top to bottom in sequence according to the diameters, when the filtering is carried out, a motor 16 is started to drive an eccentric wheel 17 to drive the eccentric wheel 17 to eccentrically rotate, when the eccentric wheel 17 eccentrically rotates, a transmission rod 18 is continuously pushed, meanwhile, a return spring 14 pushes the transmission rod 18 to be always contacted with the eccentric wheel 17 through a fixed block 12 and a mounting plate 3, so that when the eccentric wheel 17 rotates, the filter plates 23 are driven to horizontally shake through the mounting plate 3, the screening speed of the filter plates 23 is improved, after the screening is finished, a baffle plate 11 is rotated, then a rotating plate 8 is pulled, and the mounting frame 7 can be pulled out from between rubber wheels 4, the rubber wheel 4 rotates when pulled out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a aggregate screening net for concrete experiments, includes support column (1), its characterized in that: the number of the supporting columns (1) is four, two mounting plates (3) are arranged between four supporting columns (1), two supporting columns (1) positioned in front and two supporting columns (1) positioned at rear are fixedly connected through two supporting rods (2), two mounting plates (3) are positioned between four supporting rods (2), one surfaces of the two mounting plates (3) close to each other are hinged with a plurality of rubber wheels (4), the right side surfaces of the two mounting plates (3) are fixedly connected through a fixing plate (5), two cross rods (6) are arranged below the plurality of rubber wheels (4), two ends of the two cross rods (6) are respectively fixedly connected with one surfaces of the two mounting plates (3) close to each other, six mounting frames (7) are arranged above the two cross rods (6), and the six mounting frames (7) are positioned between the plurality of rubber wheels (4), filter plates (23) are fixedly inserted into the six mounting frames (7), rotating plates (8) are arranged on the left sides of the two mounting plates (3), the lower ends of the rotating plates (8) are rotatably sleeved on the outer surface of a transverse rod (6) on the left side, mounting blocks (10) are fixedly connected to the upper surfaces of the two mounting plates (3), supporting shafts (9) penetrate through the right side surfaces of the two mounting blocks (10) in a rotating mode, two baffles (11) are arranged on the left side of each rotating plate (8), and the two baffles (11) are fixedly sleeved at the left ends of the two supporting shafts (9) respectively;

the outer surfaces of the four supporting rods (2) are all slidably sleeved with two fixed blocks (12), one ends, far away from the four supporting rods (2), of the eight fixed blocks (12) are fixedly connected with one surfaces, far away from the two mounting plates (3), of the two supporting rods respectively, the left sides of the eight fixed blocks (12) are all fixedly connected with return springs (14), the left ends of the eight return springs (14) are all fixedly connected with fixing rings (13), the eight fixing rings (13) are fixedly sleeved on the outer surfaces of the four supporting rods (2) respectively, the eight return springs (14) are fixedly sleeved on the outer surfaces of the four supporting rods (2) respectively, two supporting columns (1) on the right side are fixedly connected through mounting frames (15), the mounting frames (15) are located above the four supporting rods (2), motors (16) are fixedly penetrated through the upper surfaces of the mounting frames (15), and transmission rods (18) are fixedly, an eccentric wheel (17) is arranged on the right side of the transmission rod (18), the eccentric wheel (17) is located below the motor (16), the eccentric wheel (17) is fixedly sleeved at the output end of the motor (16), material receiving hoppers (19) are arranged below the two mounting plates (3), and the material receiving hoppers (19) are fixedly sleeved on the outer surfaces of the four support columns (1).

2. The aggregate screening net for concrete experiments as claimed in claim 1, wherein: four support columns (1) parallel arrangement, universal wheel (20) are all installed to the lower extreme of four support columns (1).

3. The aggregate screening net for concrete experiments as claimed in claim 1, wherein: the right end of the transmission rod (18) is hinged with a pulley (21), and the right end of the pulley (21) is in rolling contact with the circumferential side face of the eccentric wheel (17).

4. The aggregate screening net for concrete experiments as claimed in claim 1, wherein: a flow guide hopper (22) is arranged above the two mounting plates (3), and the bottom surface of the flow guide hopper (22) is fixedly connected with the two mounting plates (3).

5. The aggregate screening net for concrete experiments as claimed in claim 1, wherein: six mounting frames (7) are arranged in parallel, and the six mounting frames (7) are distributed between the rotating plate (8) and the fixed plate (5) at equal intervals.

6. The aggregate screening net for concrete experiments as claimed in claim 1, wherein: the shape of the material receiving hopper (19) is a boss shape, and the material receiving hopper (19) and the four support columns (1) are all vertically arranged.