Dam air bag conveying belt
A conveyor belt and airbag technology, applied in the field of dam airbag conveyor belts, can solve the problems of inconsistency and large disparity in tensile strength, and achieve the effect of improving elasticity
Pending Publication Date: 2021-04-30
SHANDONG PHOEBUS RUBBER
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Problems solved by technology
[0004] In view of this, in order to solve the problem of large disparity and inconsistency in the longitudinal and latitudinal tensile strength of the dam airbag conveyor belt in the prior art
Method used
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Embodiment 1
[0030] The first cover rubber layer 1 and the second cover rubber layer 3 are closely attached to the skeleton layer 2 by calendering technology. The skeleton layer 2 is a single-layer canvas 4, wherein the canvas 4 is provided with a plurality of through holes, and the setting of the through holes It is possible to form an integrally formed glue column with the first cover rubber layer 1 and the second cover rubber layer 3 during the calendering process, which is conducive to improving the bonding strength between the first cover rubber layer 1 and the second cover rubber layer 3, And then effectively improve the radial fracture strength and latitudinal fracture strength, the canvas 4 selects the NN-66 model, the thickness of the canvas 4 is 0.9mm, and the thickness of the first cover rubber layer 1 and the second cover rubber layer 3 is 1mm , the density of the warp 41 and the weft 42 is 10 threads / cm, the cover rubber in the first cover rubber layer 1 and the second cover ru...
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Abstract
The invention discloses a dam air bag conveying belt, and belongs to the technical field of conveying belts. The dam air bag conveying belt comprises a first rubber covering layer, a framework layer and a second rubber covering layer, the framework layer is clamped between the first rubber covering layer and the second rubber covering layer, and the framework layer, the first rubber covering layer and the second rubber covering layer are combined into a whole through a vulcanization technology, wherein the framework layer is made of canvas. The dam air bag conveying belt has the beneficial effects that the framework layer made of the canvas is arranged between the first rubber covering layer and the second rubber covering layer, the canvas is formed by interweaving warps and wefts, the density of the warps and the wefts is 8-12 pieces per centimeter, and therefore the elasticity, softness and elongation of the dam air bag conveying belt are improved; and meanwhile, the equivalent tensile strength of the dam air bag conveying belt in the warp direction and the weft direction in the inflation process is ensured.
Description
technical field [0001] The invention relates to the technical field of conveyor belts, in particular to a dam airbag conveyor belt. Background technique [0002] At present, conventional canvas and formula-processed airbag belts are relatively hard as a whole, and the tensile strength in the warp direction and the weft direction are different. The tensile strength is generally 30% of the transverse tensile strength. When inflated, the airbag conveyor belt is easy to break along the weft direction. [0003] Therefore, how to provide a dam airbag conveyor belt with equal tensile strength in warp direction and weft direction is an urgent problem to be solved by those skilled in the art. Contents of the invention [0004] In view of this, in order to solve the problem of large disparity and inconsistency in the longitudinal and latitudinal tensile strengths of the dam airbag conveyor belt in the prior art. [0005] In order to achieve the above object, the present invention ...
Claims
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IPC IPC(8): B65G15/34
CPCB65G15/34
Inventor 杜新长袁家建杜明华周豪杰
Owner SHANDONG PHOEBUS RUBBER