hard fiber insertion device
A technology for inserting devices and fibers, which is applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve problems such as the inability to accurately control the length of fibers inserted into the matrix, and achieve the effects of simple structure, high measurement accuracy, and good safety
Active Publication Date: 2018-12-04
ZHEJIANG OCEAN UNIV
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Problems solved by technology
[0004] Aiming at the technical problem in the prior art that the length of the fiber inserted into the matrix cannot be accurately controlled in the fiber pull-out test, the present invention provides a hard fiber insertion device with a simple structure and capable of accurately controlling the insertion length
Method used
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[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0034] Such as figure 1 As shown, the embodiment of the present invention discloses a hard fiber insertion device, including a bracket, a dowel 4, a push rod 7, a catheter 8 and a prying mechanism, wherein the bracket has two side plates arranged in parallel 1. The conduit 8 is connected to the other end of the two side plates 1 through a bottom plate 2, and has a tapered shell at this end. The end of the conduit 8 has a tapered mouth to facilitate the insertion of hard fibers. The tapered The diameter of the mouth is 2mm. The prying force mechanism includes a handle 3 and a first spring 6 and a prying piece 5 that are sleeved on the dowel bar 4 and abut against each other. The handle 3 is hinged to the end of one of the side pla...
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Abstract
The invention discloses a hard fiber insertion device which comprises a support, a guide pipe, a force transfer rod, a push rod and a prying force mechanism. The support is provided with two side plates and scale lines, the two side plates are parallelly arranged, and the scale lines are arranged along the length direction of the support; the guide pipe is connected to an end of each side plate by a bottom plate; the force transfer rod penetrates the bottom plate and is provided with a pointer for pointing to the scale lines; one end of the push rod is connected with the force transfer rod and extends into the guide pipe, and a piston is arranged at the other end of the force transfer rod and is used for pushing hard fibers to axially move; the prying force mechanism is used for pushing the force transfer rod to axially move, so that the hard fibers can be pushed into soil by the push rod. The hard fiber insertion device has the advantages that the hard fiber insertion device is simple in structure; the push rod can be pushed by the aid of frictional force between a first spring and the force transfer rod, accordingly, the hard fibers can be constrained and pushed into the soil, and the hard fiber insertion device is good in safety; the pointer and the scale lines are respectively arranged on the force transfer rod and the support, and accordingly the hard fiber insertion device is high in measurement accuracy.
Description
technical field [0001] The invention belongs to the technical field of construction engineering, in particular to a hard fiber insertion device. Background technique [0002] In the construction project, there is a soft soil foundation with silt. Due to the large compression deformation of the soft soil, the foundation settlement is large, resulting in low tensile, compressive and shear strength. If the settlement of the soft soil foundation is too large after construction, it will lead to instability and damage to the building. In the prior art, fiber reinforcement technology is commonly used at home and abroad to improve the strength of soft soil, so as to resist uneven settlement, and finally achieve the purpose of reinforcement. [0003] Since the characteristics of fiber reinforced soil are affected by factors such as fiber length and fiber incorporation, it is often necessary to measure the interaction between the fiber and the matrix through laboratory experiments. A...
Claims
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IPC IPC(8): G01N19/00
CPCG01N19/00
Inventor 李强李凡凡臧传海郭廷凯段玮玮施骞
Owner ZHEJIANG OCEAN UNIV