Automatic concrete slump test device

A test device and slump technology, applied in the direction of measuring devices, flow characteristics, instruments, etc., can solve the problems that the slump cylinder cannot be guaranteed not to be subjected to lateral and torsion forces, time-consuming and labor-intensive, and the test time cannot be accurately controlled. Accurate and reliable test results, reduced measurement errors, stable and reliable operation

Inactive Publication Date: 2018-12-28
祝冰鑫
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Problems solved by technology

The process of lifting the cylinder is time-consuming and laborious. Manual operation cannot guarantee that the slu

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  • Automatic concrete slump test device
  • Automatic concrete slump test device
  • Automatic concrete slump test device

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see Figure 1 to Figure 5 , The present invention provides a technical solution: an automatic concrete slump test device, including a machine platform 1, a slump cylinder 11 and a driving mechanism. The slump cylinder 11 is in the shape of an inverted trumpet, and its upper opening diameter is 100 millimeters, the lower opening diameter is 200 millimeters, and the height is 300 millimeters. A bottom plate 2 is arranged above the machine platform 1 , an...

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Abstract

The invention discloses an automatic concrete slump test device. The device comprises a machine, a slump barrel and a driving mechanism, wherein a bottom plate is arranged above the machine, the bottom plate is fixedly connected with support columns, the support columns are fixedly connected with a top plate, screw levers are arranged between the top plate and the bottom plate, the screw levers and screw nuts are in clearance fit, the screw nuts are fixedly connected with a clamp block, two sides of the slump barrel are fixedly connected with first slot pieces respectively, the first slot pieces are fixedly connected with second slot pieces through stem bolts, the first slot pieces and the second slot pieces are separately provided with slots that are opposite, and the clamp block is sheathed in the slots. In the automatic concrete slump test device, a timing belt drives the two screw levers to rotate synchronously, so that the two screw nuts are guaranteed to ascend or descend simultaneously, and the slump barrel is not affected by transverse force and torsion in the test, therefore, the test results are accurate and reliable, the slump barrel and the screw nuts can be fixed rapidly through the stem bolts, and measurement errors are reduced.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to an automatic concrete slump test device. Background technique [0002] Concrete slump mainly refers to the plasticizing performance and pumpability of concrete. Factors affecting concrete slump mainly include gradation change, water content, weighing deviation of scales, and the amount of admixture. cement temperature etc. Slump refers to the workability of concrete, specifically to ensure the normal progress of construction, including water retention, fluidity and cohesion of concrete. [0003] After the slump cylinder is filled, the slump cylinder should be lifted immediately, and the lifting of the cylinder should be completed within 5-10 seconds, and the concrete should not be affected by lateral and torsion forces. The entire process from the start of charging to the lifting of the slump cylinder should be completed within 150s. The process of lifting the cy...

Claims

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Application Information

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IPC IPC(8): G01N11/00
CPCG01N11/00
Inventor 祝冰鑫
Owner 祝冰鑫
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