CN210487441U

CN210487441U - Sand detection device for concrete

Info

Publication number: CN210487441U
Application number: CN201921438837.9U
Authority: CN
Inventors: 汤华东; 王宏育; 崔鑫鑫; 刘志鹏
Original assignee: Shandong Jingwei Construction Engineering Quality Inspection Co Ltd
Current assignee: Shandong Jingwei Construction Engineering Quality Inspection Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-08
Anticipated expiration: 2029-08-30

Abstract

A concrete sand detection device comprises a support frame, wherein a coarse filtering device and a detection device are arranged on the support frame; the coarse filtering device comprises a feed hopper, a large-aperture vibrating screen is arranged at the upper part of the feed hopper, and a feed inlet assembly is arranged at the upper part of the large-aperture vibrating screen; the detection device comprises a base, wherein a bulk density detection mechanism and a moisture detection mechanism are arranged on the base, and a screening mechanism is arranged at the lower part of the base; the utility model can rapidly and simply detect the bulk density, moisture and grain composition of the concrete sand by arranging the bulk density detection mechanism, the moisture detection mechanism and the screening mechanism; the utility model discloses labour saving and time saving, the little degree of automation of intensity of labour are high.

Description

Sand detection device for concrete

Technical Field

The utility model belongs to the technical field of building material detection device, especially, relate to a sand detection device for concrete.

Background

The strength of concrete is an important index for judging construction quality, the most direct influence on the strength of concrete is the quality grade of sand adopted by the concrete, and the strength of concrete made of building sand with different quality grades is different; meanwhile, the required strength of concrete is different according to different building requirements, so that the quality grade of the sand for concrete is very necessary to detect during construction.

The existing detection equipment for detecting the sand for concrete is uneven, has low reliability of a detection structure, and wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to foretell problem, provide a sand detection device for concrete.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the utility model provides a concrete sand detection device, which is characterized by comprising a support frame, wherein a coarse filtering device and a detection device are arranged on the support frame, and the coarse filtering device is arranged at the upper part of the detection device; the coarse filtering device comprises a feed hopper, a large-aperture vibrating screen is arranged at the upper part of the feed hopper, the feed hopper is connected with the large-aperture vibrating screen through a spring, a feed inlet assembly is arranged at the upper part of the large-aperture vibrating screen, the feed inlet assembly comprises a feed cylinder, a connecting column is arranged between the feed cylinder and the large-aperture vibrating screen, a movable conical bottom is arranged at the lower end of the feed cylinder, a first electric telescopic rod is arranged at the lower part of the movable conical bottom, and the lower end of the first electric telescopic rod is connected with the bottom of the large-aperture vibrating screen; the detection device comprises a base, wherein a bulk density detection mechanism and a moisture detection mechanism are arranged on the base, and a screening mechanism is arranged on the lower portion of the base.

Preferably, the bulk density detection mechanism includes a first moving assembly, and the first moving assembly is provided with a measuring cylinder.

Preferably, the moisture detection mechanism comprises a second movement assembly with the same structure as the first movement assembly, a drying cylinder is arranged on the second movement assembly, and a stirrer is arranged in the drying cylinder.

Preferably, the base is provided with a rectangular through hole, the first movement assembly and the second movement assembly are symmetrically arranged in the rectangular through hole, the first movement assembly comprises a second electric telescopic rod, one end of the second electric telescopic rod is provided with a supporting plate, the upper surface of the supporting plate is provided with a mass sensor, and the lower surface of the supporting plate is provided with a vibrator.

Preferably, rectangular strips are arranged on two sides of the supporting plate, and rectangular grooves matched with the rectangular strips are formed in the inner walls of two sides of the rectangular through hole.

Preferably, the screening mechanism comprises a rectangular shell, a first screening net, a second screening net and a third screening net are arranged in the rectangular shell from top to bottom, and a sand storage tank is arranged on the lower portion of the third screening net.

Preferably, the first screening net, the second screening net and the third screening net are all provided with baffle components, each baffle component comprises a supporting block, a third electric telescopic rod is arranged on each supporting block, and a sand grain baffle is arranged on each third electric telescopic rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model can filter the foreign matters of non-building sand such as large gravel, cobblestone and the like in the sand completely by arranging the coarse filtering device; the bulk density, moisture and particle composition of the sand for concrete can be rapidly and simply detected by arranging the bulk density detection mechanism, the moisture detection mechanism and the screening mechanism; the utility model discloses labour saving and time saving, the little degree of automation of intensity of labour are high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of a concrete sand detecting apparatus;

FIG. 2 is a schematic structural view of a coarse filtering device of a concrete sand detecting device;

FIG. 3 is a schematic structural view of a concrete sand detecting device;

FIG. 4 is a schematic structural view of a bulk density detecting mechanism and a moisture detecting mechanism of a sand detecting device for concrete;

FIG. 5 is a schematic structural view of a screening mechanism of a sand detecting device for concrete;

FIG. 6 is a schematic structural view of a baffle assembly of a sand testing device for concrete;

in the above figures, 1, a support frame; 2. a coarse filtration device; 201. a feed hopper; 202. a large-aperture vibrating screen; 203. a spring; 204. a feeding cylinder; 205. connecting columns; 206. a movable conical bottom; 207. A first electric telescopic rod; 3. a detection device; 301. a base; 3011. a rectangular groove; 302. a rectangular through hole; 303. a bulk density detection mechanism; 3031. a measuring cylinder; 3032. a second electric telescopic rod; 3033. a support plate; 3034. a rectangular strip; 304. a moisture detector; 3041. a drying drum; 3042. A second motion assembly; 305. a screening mechanism; 3051. a rectangular housing; 3052. a first screening net; 3053. a second screening mesh; 3054. a third screening net; 3055. a sand storage tank; 3056. A support block; 3057. a third electric telescopic rod; 3058. a sand baffle.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the utility model provides a sand detection device for concrete, which comprises a support frame 1, the support frame includes a circular ring, the lower side of the circular ring is provided with four columns, the four columns are uniformly surrounded on the circumference of the circular ring, the support frame 1 is provided with a coarse filtration device 2 and a detection device 3, the coarse filtration device 2 is arranged on the upper portion of the detection device 3; the coarse filtering device 2 comprises a feed hopper 201, wherein a large-aperture vibrating screen 202 is arranged at the upper part of the feed hopper 201, and the diameter of the large-aperture vibrating screen 202 is far larger than that of sand particles and is used for filtering foreign matters of non-building sand such as large gravel, cobblestones and the like in the sand; the feeding hopper 201 is connected with the large-aperture vibrating screen 202 through a spring 203, a feeding port assembly is arranged at the upper part of the large-aperture vibrating screen 202 and comprises a feeding cylinder 204, a connecting column 205 is arranged between the feeding cylinder 204 and the large-aperture vibrating screen 202, a movable conical bottom 206 is arranged at the lower end of the feeding cylinder 204, a first electric telescopic rod 207 is arranged at the lower part of the movable conical bottom 206, the lower end of the first electric telescopic rod 207 is connected with the bottom of the large-aperture vibrating screen 202, the distance between the movable conical bottom 206 and the feeding cylinder 204 can be adjusted through adjusting the first electric telescopic rod 207, so that the speed of sand entering the large-aperture vibrating screen 202 can be adjusted, the movable conical bottom 206 can disperse the sand, and the sand can enter the large-aperture vibrating; the detection device 3 includes a base 301, a bulk density detection mechanism 303 and a moisture detection mechanism 304 are provided on the base 301, and a sieving mechanism 305 is provided on a lower portion of the base 301.

Specifically, the bulk density detection mechanism 303 includes a first moving assembly on which a measuring cylinder 3031 is disposed, the measuring cylinder 3031 being used to measure the volume of sand under a certain mass.

The moisture detection mechanism 304 includes a second moving assembly 3042 having the same structure as the first moving assembly, a drying drum 3041 is disposed on the second moving assembly 3042, and a stirrer is disposed in the drying drum 3041.

The base 301 is provided with a rectangular through hole 302, the rectangular through hole 302 penetrates through the upper surface and the lower surface of the base 301, the first motion component and the second motion component 3042 are symmetrically arranged in the rectangular through hole 302, the first motion component comprises a second electric telescopic rod 3032, one end of the second electric telescopic rod 3032 is provided with a support plate 3033, the upper surface of the support plate 3033 is provided with a mass sensor, and the lower surface of the support plate is provided with a vibrator.

Rectangular strips 3034 are arranged on two sides of the support plate 3033, and rectangular grooves 3011 matched with the rectangular strips 3034 are arranged on the inner walls of the two sides of the rectangular through hole 302.

Screening mechanism 305 includes rectangle casing 3051, top-down is provided with first screening net 3052 in the rectangle casing 3051, second screening net 3053 and third screening net 3054, third screening net 3054 lower part is provided with sand grain hold up tank 3055, the aperture of first screening net 3052 is greater than second screening net 3053, the aperture of second screening net 3053 is greater than third screening net 3054, first screening net 3502, second screening net 3053 and third screening net 3054 all are the slope setting of certain angle.

First screening net 3052, all be provided with the baffle subassembly on second screening net 3053 and the third screening net 3054, the baffle subassembly includes supporting shoe 3056, be provided with third electric telescopic handle 3057 on the supporting shoe 3056, be provided with grit baffle 3058 on the third electric telescopic handle 3057, the baffle subassembly can restrict the direct screening mechanism 305 that is separated out of grit that can't see through the screening net, the higher one end of screening net can be pulled down to the grit that can't see through the screening net by the baffle subassembly, make the grit that can't see through the screening net sieve one side again, improve the degree of accuracy of screening, the grit that can't see through the screening net also can't be sieved after sieving many times, grit baffle 3058 leaves the screening net under the effect of third electric telescopic handle 3057, the grit is by screening net screening mechanism 305.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The concrete sand detection device is characterized by comprising a support frame, wherein a coarse filtering device and a detection device are arranged on the support frame, and the coarse filtering device is arranged at the upper part of the detection device; the coarse filtering device comprises a feed hopper, a large-aperture vibrating screen is arranged at the upper part of the feed hopper, the feed hopper is connected with the large-aperture vibrating screen through a spring, a feed inlet assembly is arranged at the upper part of the large-aperture vibrating screen, the feed inlet assembly comprises a feed cylinder, a connecting column is arranged between the feed cylinder and the large-aperture vibrating screen, a movable conical bottom is arranged at the lower end of the feed cylinder, a first electric telescopic rod is arranged at the lower part of the movable conical bottom, and the lower end of the first electric telescopic rod is connected with the bottom of the large-aperture vibrating screen; the detection device comprises a base, wherein a bulk density detection mechanism and a moisture detection mechanism are arranged on the base, and a screening mechanism is arranged on the lower portion of the base.

2. The apparatus of claim 1, wherein the bulk density detection mechanism comprises a first moving assembly, and a measuring cylinder is disposed on the first moving assembly.

3. The concrete sand detection device of claim 2, wherein the moisture detection mechanism comprises a second movement assembly which has the same structure as the first movement assembly, a drying drum is arranged on the second movement assembly, and a stirrer is arranged in the drying drum.

4. The concrete sand detection device according to claim 3, wherein a rectangular through hole is formed in the base, the first movement assembly and the second movement assembly are symmetrically arranged in the rectangular through hole, the first movement assembly comprises a second electric telescopic rod, a supporting plate is arranged at one end of the second electric telescopic rod, a mass sensor is arranged on the upper surface of the supporting plate, and a vibrator is arranged on the lower surface of the supporting plate.

5. The concrete sand detecting device of claim 4, wherein rectangular strips are arranged on two sides of the supporting plate, and rectangular grooves matched with the rectangular strips are arranged on the inner walls of two sides of the rectangular through hole.

6. The sand detecting device for concrete according to claim 5, wherein the screening mechanism comprises a rectangular shell, a first screening net, a second screening net and a third screening net are arranged in the rectangular shell from top to bottom, and a sand storage tank is arranged at the lower part of the third screening net.

7. The sand detecting device for concrete according to claim 6, wherein the first screening net, the second screening net and the third screening net are respectively provided with a baffle assembly, the baffle assembly comprises a supporting block, a third electric telescopic rod is arranged on the supporting block, and a sand baffle is arranged on the third electric telescopic rod.