CN220019177U

CN220019177U - Quick installation device of bituminous mixture split test anchor clamps layering

Info

Publication number: CN220019177U
Application number: CN202321372387.4U
Authority: CN
Inventors: 韩建军; 刘秋成; 王逸航
Original assignee: Baoji Qintong Highway Engineering Testing And Testing Co ltd
Current assignee: Baoji Qintong Highway Engineering Testing And Testing Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-14
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a rapid installation device for a pressing strip of an asphalt mixture splitting test clamp, which comprises the following components: the sample clamp is placed on the test bed and comprises a lower clamp and an upper clamp matched with the lower clamp; install fixture on lower anchor clamps and the last anchor clamps, install detachable layering in the fixture, improve through the sample anchor clamps in the test device, dismantle the installation with original directly placed layering through fixture, can install or dismantle the layering according to the experiment needs in the experimental process for in the experimental process, the layering is difficult for removing, device simple to operate, and the experimental process is convenient, improves the efficiency and the degree of accuracy of experiment.

Description

Quick installation device of bituminous mixture split test anchor clamps layering

Technical Field

The utility model relates to the technical field of asphalt detection, in particular to a rapid installation device for a pressing strip of an asphalt mixture splitting test clamp.

Background

The road asphalt and asphalt mixture test is used for determining the mechanical properties of asphalt mixture at the splitting damage or elastic stage at the specified temperature and loading rate, and can also be used for selecting the mechanical design parameters of asphalt mixture and evaluating the low-temperature cracking resistance of asphalt mixture in the structural design of asphalt pavement. In the asphalt mixture cleavage test process, a Marshall tester is used for the experiment.

However, in the use process, because the connection of the pressing strip and the pressure head does not have a fixing device, the installation position of the pressing strip is inaccurate, and the position needs to be adjusted for multiple times, so that a sample and an experiment clamp can be installed for the next experiment. Therefore, the experimental process needs to be manually and visually adjusted by experience for many times, so that the experimental process is inconvenient and the experimental accuracy and the experimental efficiency are affected.

Disclosure of Invention

Aiming at the defects or shortcomings, the utility model aims to provide a rapid installation device for a pressing strip of an asphalt mixture splitting test clamp.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

quick installation device of bituminous mixture split test anchor clamps layering includes: the sample clamp is placed on the test bed and comprises a lower clamp and an upper clamp matched with the lower clamp; and the lower clamp and the upper clamp are provided with clamping mechanisms, and detachable pressing strips are arranged in the clamping mechanisms.

The clamping mechanism comprises: and the front and rear outer walls of the upper clamp and the lower clamp are respectively provided with a clamping mechanism, and the clamping mechanisms are clamped at two ends of the pressing strip.

The buckle mechanism includes: the mounting piece is fixedly mounted on the outer wall of the upper clamp or the lower clamp through screws, and the clamping piece is mounted on the mounting piece.

The length of the pressing strip is larger than the width of the inner wall of the sample clamp.

The clamping mechanism comprises: and clamping arms at two sides of the upper clamp or the lower clamp, and clamping and fixing the two ends of the pressing strip on the upper clamp or the lower clamp by the clamping arms at two sides.

The bottom of the lower clamp is provided with a mounting base, and the mounting base is mounted on the test bed.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a rapid installation device for a pressing strip of an asphalt mixture splitting test fixture, which is characterized in that a sample fixture in the test device is improved, the pressing strip which is originally directly placed is detached and installed through a clamping mechanism, and the pressing strip can be installed or detached according to the test requirement in the test process, so that the pressing strip is not easy to move in the test process, the installation of the device is convenient, the test process is convenient, and the efficiency and the accuracy of the test are improved.

Drawings

FIG. 1 is a schematic structural view of a rapid installation device for a clamp batten of an asphalt mixture splitting test;

FIG. 2 is a first structure diagram of a clamping mechanism of a rapid installation device of a pressing strip of an asphalt mixture splitting test fixture according to the utility model;

FIG. 3 is a second structure diagram of a clamping mechanism of the rapid installation device of the pressing strip of the asphalt mixture splitting test clamp.

In the figure, 1-a test stand; 2-a sample holder; 3-layering; 4-; 21-lower clamp; 22-upper clamp; 23-; 31-a clamping mechanism; 321-a mounting; 322-screws; 323-a clamping member; 324-clamping arm.

Detailed Description

The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a rapid installation device for a batten of an asphalt mixture splitting test fixture, which comprises: a sample holder 2 placed on the test stand 1, the sample holder 2 including a lower holder 21, and an upper holder 22 matched with the lower holder 21; the lower clamp 21 and the upper clamp 22 are provided with a clamping mechanism 31, and a detachable pressing strip 3 is arranged in the clamping mechanism 31. Specifically, the upper clamp 22 and the lower clamp 21 are clamped and fixed in the experimental process by the clamping piece, so that the experimental process is ensured.

In the utility model, a mounting base 23 is arranged at the bottom of the lower clamp 21, and the mounting base 23 is mounted on the test stand 1. The sample holder 2 can be stably and fixedly mounted on the test stand 1.

In the present utility model, the clamping mechanism 31 may have various real-time modes, as long as the pressing bar 3 can be clamped and disassembled, and two embodiments are given in this embodiment.

As shown in fig. 2, in the first embodiment, the clamping mechanism 31 includes: the front and rear outer walls of the upper clamp 22 and the lower clamp 21 are respectively provided with a clamping mechanism, and the clamping mechanisms are clamped at two ends of the pressing strip 3. The buckle mechanism includes: and a mounting member 321, wherein the mounting member 321 is fixedly mounted on the outer wall of the upper clamp 22 or the lower clamp 21 through a screw 322, and a clamping member 323 is mounted on the mounting member 321. In the utility model, the length of the pressing strip 3 is larger than the width of the inner wall of the sample clamp 2, so that the clamping strip 3 can be stably and firmly clamped when the clamp is clamped.

As shown in fig. 3, the second type of the clamping mechanism 31 includes: the clamping arms 324 on the two sides of the upper clamp 22 or the lower clamp 21 clamp and fixedly mount the two ends of the pressing bar 3 on the upper clamp 22 or the lower clamp 21.

In the present utility model, the upper clamp 22 and the lower clamp 21 are clamped by an external force during the experiment, and then the cleavage experiment is performed on the green mixture.

The working process of the utility model is as follows:

during an experiment, the lower clamp 21 is firstly installed, then an experiment sample is installed in the lower clamp 21, then the upper clamp 22 is buckled on the lower clamp 21, and after the experiment is carried out by clamping through the clamping piece, an external force is exerted to carry out a pressurization experiment; when a splitting experiment is required, the lower clamp 21 is firstly installed, then the clamping mechanism 31 is fixedly installed on the lower clamp 21, the clamping mechanisms 31 on the upper clamp 22 are also installed, then the pressing strips 3 are respectively installed in the clamping mechanisms 31, then the sample is placed on the lower clamp, finally the upper clamp 22 is fixedly installed on the lower clamp 21, and after the clamps are stressed, the asphalt mixture is pressurized.

It will be apparent to those skilled in the art that the foregoing is merely illustrative of the preferred embodiments of this utility model, and that certain modifications and variations may be made in part of this utility model by those skilled in the art, all of which are shown and described with the understanding that they are considered to be within the scope of this utility model.

Claims

1. Quick installation device of bituminous mixture split test anchor clamps layering, its characterized in that includes: a sample holder (2) placed on a test stand (1), the sample holder (2) comprising a lower holder (21), and an upper holder (22) matching the lower holder (21); the clamping mechanism (31) is arranged on the lower clamp (21) and the upper clamp (22), and a detachable pressing strip (3) is arranged in the clamping mechanism (31); the clamping mechanism (31) comprises: the clamping mechanisms are respectively arranged on the front outer wall and the rear outer wall of the upper clamp (22) and the lower clamp (21), and are clamped at two ends of the pressing strip (3).

2. The rapid installation device for a batten of an asphalt mixture cleavage test fixture according to claim 1, wherein the buckle mechanism comprises: the mounting piece (321), the mounting piece (321) is fixedly mounted on the outer wall of the upper clamp (22) or the lower clamp (21) through a screw (322), and the clamping piece (323) is mounted on the mounting piece (321).

3. The rapid installation device of the batten of the asphalt mixture splitting test fixture according to claim 1 or 2, wherein the length of the batten (3) is larger than the width of the inner wall of the sample fixture (2).

4. The rapid installation device for a batten of an asphalt mixture cleavage test fixture according to claim 1, wherein the clamping mechanism (31) comprises: clamping arms (324) at two sides of the upper clamp (22) or the lower clamp (21), and the clamping arms (324) at two sides clamp and fixedly mount two ends of the pressing strip (3) on the upper clamp (22) or the lower clamp (21).

5. The rapid installation device for the pressing bar of the asphalt mixture splitting test fixture according to claim 1, wherein an installation base (23) is arranged at the bottom of the lower fixture (21), and the installation base (23) is installed on the test bench (1).