Test piece batching tool for proportioning test of construction waste roadbed filling soil

Abstract

The utility model relates to the technical field of building material test piece manufacturing equipment, in particular to a test piece batching tool for a proportioning test of construction waste roadbed filling soil, which comprises a frame body, a front cover, a partition plate, an unloading drawing plate, a drawing plate film and a film roller, wherein the front cover is mounted at one end of the frame body, the unloading drawing plate is mounted at the lower part of the frame body, the frame body, the front cover and the unloading drawing plate form a batching box with an upper opening, and the partition plate is mounted in the frame body and used for partitioning the space in the batching box; the material supply proportion is controlled through the partition plate, weighing operation is converted into measurement operation, the operation process is simplified, meanwhile, the installation angle and position of the partition plate are changed, continuous change of the proportion of a single test piece can be achieved, the function of testing indexes of test pieces with different proportions at different positions of the same test piece is achieved, the manufacturing amount of the test pieces is reduced, and the cost is reduced. And the efficiency of related work is improved.

Description

Technical fields:

[0001] This utility model relates to the technical field of building material test specimen manufacturing equipment. Background technology:

[0002] To address the problem of construction waste, sorting and reusing construction waste is currently the main research direction. Among the most numerous and difficult-to-process construction wastes, waste bricks and concrete gravel are being crushed and used as raw materials for brick making, as aggregates for new concrete manufacturing, or as filling soil for roadbeds and building foundations. Due to their high feasibility, these materials are being promoted and used.

[0003] When using crushed waste bricks and concrete aggregates as roadbed fill, the physical properties of the crushed material differ significantly from those of conventional fill soil. Furthermore, the properties of crushed raw materials made from different grades of concrete and different specifications of waste bricks vary. To ensure the consistency of roadbed quality after use as fill soil, it is necessary to manufacture fill soil specimens with different mix proportions before construction to conduct performance tests and obtain the applicable mix proportion for that batch of crushed material. Due to the large amount of fill soil used in road construction, the large construction distance span, and the large number of batches of crushed material involved, a large number of test specimens need to be manufactured and tested, which causes difficulties for related construction and production work. Summary of the Invention:

[0004] Therefore, it is necessary to design a mix proportion adjustment tool for manufacturing mixed specimens, which can be used to quickly adjust the material proportions of the specimens for relevant tests, thereby improving the efficiency of data calculation and scheme design before construction.

[0005] The specimen mixing tool for the mix proportion test of construction waste roadbed filling soil includes a frame, a front cover, a partition, a discharge plate, a discharge plate film, and a film roller. The front cover is installed at one end of the frame, and the discharge plate is installed at the bottom of the frame. The frame, the front cover, and the discharge plate together form an open mixing box. The partition is installed inside the frame to divide the space inside the mixing box. The discharge plate is covered with a discharge plate film, and a film roller is installed below the discharge plate. One end of the discharge plate film is connected to the end of the frame, and the other end goes around the discharge plate and connects to the film roller. A rotating spring device is installed inside the film roller to tighten the discharge plate film when the discharge plate moves, so that the discharge plate film remains attached to the upper surface of the discharge plate.

[0006] In use, first install the frame, unloading plate, plate film and film roller. Then, fix the partition in the frame according to the predetermined test ratio of the specimen and install the front cover. Fill the hopper formed by the frame, front cover and partition on the unloading plate with crushed material and make the top of the crushed material flat. Then, gradually pull out the unloading plate to discharge the crushed material downwards, layer by layer into the specimen box to complete the feeding process. After that, close the specimen box and rotate it 90 degrees to carry out the subsequent simulated compaction and testing steps.

[0007] In this process, the actual proportion of the specimen is controlled by fixing the position of the partition within the frame. By tilting the partition at a fixed angle, a specimen with a uniformly varied mixing ratio can be obtained. This achieves the effect of obtaining multiple proportion test data at different positions of a single specimen simultaneously. To mark the actual proportion of different test points, dye can be added to different positions on the crushed material before pulling the unloading plate. The actual proportion of the test point is determined based on the dyed area on the specimen. The plate-pulling film is used to isolate the unloading plate from the crushed material, preventing the crushed material from scratching the unloading plate while ensuring that the crushed material does not move due to friction with the unloading plate during the unloading plate's operation, thus preventing changes in the mixing ratio. The film roller is used to tension and store the plate-pulling film.

[0008] Preferably, the front cover is provided with a snap-fit, which is used to clamp the side wall of the frame so that the front cover is connected and fixed to the frame. In this structure, the connection position of the front cover on the frame is not fixed, so as to adapt to different installation angles of the partition and prevent gaps from forming between the front end of the partition and the front cover.

[0009] Preferably, the sheet material is one or more of paper, aluminum foil, or plastic film; further, the sheet material is kraft paper and plastic film, or kraft paper and aluminum foil, wherein the kraft paper covers the unloading sheet, and the plastic film or aluminum foil covers the kraft paper. According to preliminary tests, using kraft paper as the sheet material can effectively alleviate the wear on the unloading sheet during the feeding and unloading of crushed material. At the same time, the crushed material tested usually has a moisture content requirement. Adding a layer of waterproof plastic film or aluminum foil on the kraft paper can improve the service life of the sheet material, reduce the amount of operation required to replace the paper that is torn due to moisture, and improve the efficiency of related work.

[0010] This invention provides a sample preparation workpiece for proportioning tests. By using a partition to control the material supply ratio, the weighing operation is transformed into a measurement operation, simplifying the operation process. At the same time, by changing the installation angle and position of the partition, the proportion of a single sample can be continuously changed, enabling the testing of different proportion sample indicators at different positions on the same sample. This reduces the amount of sample production and improves the efficiency of related work. Attached image description:

[0011] Appendix Figure 1 This is a schematic diagram of the principle of a sample mixing tool used for mix proportioning tests of construction waste roadbed filling soil; (Attached) Figure 2 This is a side view schematic diagram of the sample mixing tool used for mix proportioning tests of construction waste roadbed filling soil; (Attached) Figure 3 This is a top view schematic diagram of the specimen mixing tool used for the mix proportion test of construction waste roadbed filling soil. In the figure: 1. Frame body; 2. Front cover; 201. Barrier; 3. Partition; 4. Unloading plate; 5. Plate film; 6. Film roller; 7. Dyeing agent. Detailed implementation method:

[0012] The sample mixing tool for the mix proportion test of construction waste roadbed filling soil includes a frame 1, a front cover 2, a partition 3, a discharge plate 4, a plate film 5, and a film roller 6. The front cover 2 is installed at one end of the frame 1, and the discharge plate 4 is installed at the lower part of the frame 1. The frame 1, the front cover 2, and the discharge plate 4 form an open-top mixing box. The partition 3 is installed inside the frame 1 to separate the space inside the mixing box. The discharge plate 4 is covered with the plate film 5, and the film roller 6 is set below the discharge plate 4. One end of the plate film 5 is connected to the end of the frame 1, and the other end goes around the discharge plate 4 and connects to the film roller 6. The film roller 6 is equipped with a rotating spring device to tighten the plate film 5 when the discharge plate 4 is in motion, so that the plate film 5 remains attached to the upper surface of the discharge plate.

[0013] The front cover 2 is provided with a snap-fit ​​201, which is used to clamp the side wall of the frame 1 so that the front cover 2 is connected and fixed to the frame 1. Under this structure, the connection position of the front cover 2 on the frame 1 is not fixed, so as to adapt to different installation angles of the partition 3 and so that no gap is generated between the front end of the partition 3 and the front cover 2.

[0014] The sheet material 5 is one or more of paper, aluminum foil, or plastic film; further, the sheet material 5 is kraft paper and plastic film, or kraft paper and aluminum foil, wherein the kraft paper covers the unloading sheet 4, and the plastic film or aluminum foil covers the kraft paper. According to preliminary tests, using kraft paper as the sheet material 5 can effectively alleviate the wear on the unloading sheet 4 during the filling and unloading of crushed material. At the same time, the crushed material tested usually has a moisture content requirement. Adding a layer of waterproof plastic film or aluminum foil on the kraft paper can improve the service life of the sheet material 5, reduce the amount of operation required to replace the paper that is torn due to moisture, and improve the efficiency of related work.

[0015] In use, first install the frame 1, unloading plate 4, plate film 5 and film roller 6. Then, fix the partition 3 inside the frame 1 and install the front cover 2 according to the predetermined test ratio of the specimen. Fill the hopper formed by the frame 1, front cover 2 and partition 3 on the unloading plate 4 with crushed material and make the top of the crushed material flat. Then, gradually pull out the unloading plate 4 to discharge the crushed material downwards and drop it layer by layer into the specimen box to complete the feeding process. After that, close the specimen box and rotate it 90 degrees to carry out the subsequent simulated compaction and testing steps.

[0016] In this process, the actual proportion of the specimen is controlled by the fixed position of the partition 3 within the frame 1. By tilting the partition 3 at a fixed angle, a specimen with a uniformly varied mixing ratio can be obtained, achieving the effect of obtaining multiple proportion test data at different positions of a single specimen simultaneously. To mark the actual proportion of different test points, dye 7 can be added to different positions on the crushed material before pulling the unloading plate 4. The actual proportion of the test point is determined according to the dyed area on the specimen. The plate film 5 is used to isolate the unloading plate 4 from the crushed material, preventing the crushed material from scratching the unloading plate 4, and ensuring that the crushed material does not change the mixing ratio due to friction with the unloading plate 4 during the operation of the unloading plate 4. The film roller 6 is used to tension and store the plate film 5.

Claims

1. A specimen mixing tool for testing the mix proportions of construction waste roadbed filling soil, characterized in that: Includes frame, front cover, partition, unloading drawer, drawer film, and film roller; The front cover is installed at one end of the frame, the unloading drawer is installed at the bottom of the frame, and the frame, the front cover, and the unloading drawer together form an open-top mixing box. A partition is installed inside the frame to separate the space inside the mixing box. A sheet film is covered on the unloading drawer, and a film roller is set below the unloading drawer. One end of the sheet film is connected to the end of the frame, and the other end goes around the unloading drawer and connects to the film roller. A rotating spring device is set inside the film roller to tighten the sheet film when the unloading drawer moves, so that the sheet film remains attached to the upper surface of the unloading drawer.

2. The specimen mixing tool for the mix proportioning test of construction waste roadbed filling soil as described in claim 1, characterized in that, The front cover is provided with a snap-fit, which is used to clamp the side wall of the frame, so that the front cover is connected and fixed to the frame.

3. The specimen mixing tool for the mix proportioning test of construction waste roadbed filling soil as described in claim 1, characterized in that, The sheet film is one or more of paper, aluminum foil, or plastic film.

4. The specimen mixing tool for the mix proportioning test of construction waste roadbed filling soil as described in claim 3, characterized in that, The sheet material for the unloading tray is made of kraft paper and plastic film, or kraft paper and aluminum foil, wherein the kraft paper covers the unloading tray, and the plastic film or aluminum foil covers the kraft paper.

Images