数显混凝土维勃稠度仪

一、混凝土维勃稠度仪产品简介：

混凝土维勃稠度仪是主体结构采用加厚钢板，表面喷涂，控制器采用数字控制仪表，混凝土维勃稠度仪适用于测定砼拌合物的维勃稠度值。

First, the concrete Weibo consistency meter Description:

Concrete Weibo consistency meter main structure is a thick steel plate, surface coating, the controller uses the digital control instruments, Weibo consistency concrete Weibo consistency meter for measuring the value of the concrete mixture.

二、混凝土维勃稠度仪技术参数：

★振动台空载振幅(含容器)：0.5mm

★振动台频率：50Hz

★VB实验时压重：2750g±20g

★VC实验时压重：7500g±50g

★改进VC实验时压重：8700g±50g

★坍落度筒 :  φ100×φ200X300mm

★电源功率：   380V、50Hz、250W

★净   重：    ≈45kg

★外形尺寸：400X520X690mm

Second, the technical parameters of concrete Vib consistency meter:

★ No-load amplitude of vibration table (including container): 0.5mm

★ Frequency of shaking table: 50Hz

★ VB test weight: 2750g ± 20g

★ Pressure weight during VC experiment: 7500g ± 50g

★ Improved weight during VC experiment: 8700g ± 50g

Slump tube: φ100 × φ200X300mm

★ Power supply: 380V, 50Hz, 250W

★ Net weight: ≈45kg

★ Dimension: 400X520X690mm

三、混凝土维勃稠度仪操作规程：

★放在坚实水平的平台上，用湿布把容器、坍落度筒、喂料口内壁及其它用具湿润。

★将喂料口提到坍落度筒上方扣紧，校正容器位置，使其轴线与喂料口轴线重合，然后拧紧蝶形螺母。

★把按要求取得的混凝土试样用小铲将料分三层装入坍落度筒内，每层料捣实后约为高度的三分之一，每层截面上用捣棒均匀插捣25下，插捣二层和顶层时应插透本层，并使捣棒刚刚进入下一层顶层，插捣完毕后刮平顶面。

★将透明圆盘转到坍落度筒上方锁紧定位螺钉并调零。

★使喂料口、圆盘转离，垂直地提起坍落度筒，此时并应注意不使混凝土试样产生横向扭动。

★把透明圆盘转到混凝土圆台体顶面，放松定位螺丝，降下圆盘，使其能轻轻接触到混凝土表面，读出数值即为坍落度值。

★同时按控制器“启动/停止”按钮，当震动到透明圆盘的底面被水泥浆部满的瞬间再按“启动/停止”按妞，震动停止，控制器显示数值（时间：单位秒）即为维勃稠度值。

Third, the operating procedures of the concrete Vib consistency tester:

★ Place on a solid level platform and use a damp cloth to moisten the container, slump cylinder, inner wall of the feeding port and other utensils.

★ Fasten the feeding port to the top of the slump tube, correct the position of the container so that its axis coincides with the axis of the feeding port, and then tighten the wing nut.

★ The concrete sample obtained according to the requirements is divided into three layers into a slump cylinder with a small shovel. After each layer of material is tamped, it is about one-third of the height. 25 times, when inserting the second layer and the top layer, you should insert this layer, and make the stick just enter the top layer of the next layer, and scrape the top surface after inserting.

★ Turn the transparent disc to the top of the slump tube to lock the set screw and adjust it to zero.

★ Turn the feeding port and the disk away and lift the slump cylinder vertically. At this time, care should be taken not to cause the concrete sample to twist laterally.

★ Turn the transparent disc to the top surface of the concrete circular table body, loosen the positioning screws, lower the disc so that it can lightly contact the concrete surface, and read the value as the slump value.

★ At the same time, press the "Start / Stop" button of the controller. When the bottom of the transparent disc is filled with cement slurry, press the "Start / Stop" button again. The vibration will stop and the controller will display the value (time: unit seconds). This is the Vib consistency value.

四、混凝土维勃稠度仪结构组成：

★容器内径240±5mm ，高为200±2mm

坍落度筒其内部尺寸为：底部直径 200±2mm

★旋转架

Fourth, the concrete Weibo consistency meter structures:

★ inner diameter of the container 240 ± 5mm, a height of 200 ± 2mm

Slump cone inside dimensions: 200 ± 2mm diameter at the bottom

★ rotating frame

与测杆及喂料口相连。测杆下部安装有透明且水平的圆盘，并用定位螺钉把测杆固定在数显表中。旋转架安装在立柱上通过十字凹槽来控制方向，并用固定螺丝来固定其位置，**位后测杆与喂料口的轴线与容器的轴线重合。

透明圆盘直径为230±2mm，厚度为10±2mm。荷重块直接固定在圆盘上。由测杆、圆盘及荷重块组成的滑动部分总重量为2750 ±50g。

★捣棒： 直径16 mm，长600mm的钢棒，端部应磨圆。

★震动台：工作频率50±3Hz

It is connected with the measuring rod and the feeding port. The lower part of the measuring rod is equipped with a transparent and horizontal disc, and the measuring rod is fixed in the digital display table with a set screw. The rotating frame is installed on the column to control the direction through the cross groove, and its position is fixed by the fixing screw. After the ** position, the axis of the measuring rod and the feeding port coincides with the axis of the container.

The transparent disc has a diameter of 230 ± 2mm and a thickness of 10 ± 2mm. The load blocks are fixed directly on the disc. The total weight of the sliding part consisting of a measuring rod, a disc and a load block is 2750 ± 50g.

★ Tamping rod: A steel rod with a diameter of 16 mm and a length of 600 mm should be rounded at the end.

★ Vibration table: working frequency 50 ± 3Hz