Asphalt Marshall test piece measuring device

By designing an asphalt Marshall specimen measuring device that includes a base plate, a placement platform, and a height measuring mechanism, and utilizing electronic vernier calipers and a circular turntable, the problem of time-consuming and labor-intensive traditional measurement methods is solved, and rapid and accurate measurement of specimen dimensions is achieved.

CN223727021UActive Publication Date: 2025-12-26THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
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Patent Information

Application Number
CN202520110318.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-26
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Traditional methods for measuring the dimensions of asphalt Marshall specimens are time-consuming and labor-intensive, requiring multiple adjustments to the specimen position for multi-position measurements, making it difficult to complete dimensional measurements efficiently.

Method used

A measuring device for asphalt Marshall specimens, comprising a base plate, a placement platform, and a height measuring mechanism, was designed. It utilizes an electronic vernier caliper and a circular turntable in conjunction with a limiting pressure plate and auxiliary support wheels to achieve convenient measurement of the specimens.

Benefits of technology

It enables simple and efficient measurement of the dimensions of asphalt Marshall specimens, and can quickly and accurately obtain the height and diameter of the specimens.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an asphalt Marshall test piece measuring device, and belongs to the field of measuring equipment. According to the technical scheme, the height measuring device comprises a bottom plate and a placement table arranged on the bottom plate, a height measuring mechanism is further arranged on one side of the placement table and on the bottom plate, a height measuring assembly comprises a vernier caliper assembly vertically arranged on the bottom plate, the vernier caliper assembly comprises a caliper body, and a mounting base is arranged at the lower end of the end of the caliper body; the mounting seat is fixedly arranged on the bottom plate through bolts, an electronic vernier is arranged above the mounting seat and on the outer side of the caliper main body, a movable clamping foot is arranged at the lower end of the electronic vernier, the placing table comprises a circular turntable arranged below the movable clamping foot and on the bottom plate, a rotating shaft is arranged at the bottom of the circular turntable, and the bottom end of the rotating shaft is arranged on the bottom plate. The asphalt Marshall test piece size measuring device has the advantages of being simple in structure, convenient to use and capable of conveniently measuring the size of an asphalt Marshall test piece.
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Description

TECHNICAL FIELD

[0001] The utility model relates to measuring equipment field especially relates to a bituminous marshall test piece measuring device. BACKGROUND

[0002] The test piece made by the standard marshall compaction method of bituminous mixture is used for the physical and mechanical property test of bituminous mixture in the laboratory, and the size of the formed test piece has extremely strict regulations, and the height of the standard marshall test piece should meet the relevant requirements, the traditional way of measuring the size of the test piece is to use a vernier caliper to measure, for example, the test piece needs to be placed vertically when measuring the width of the test piece, and the height of the test piece needs to be adjusted to keep the test piece horizontally placed, and the test piece position needs to be adjusted several times during the whole measuring process to measure the average value of multiple positions, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0003] The utility model discloses a simple structure, convenient to use can conveniently size measurement of bituminous marshall test piece's bituminous marshall test piece measuring device.

[0004] The utility model is realized through following measures:

[0005] A bituminous marshall test piece measuring device is characterized by comprising a base plate, a placing table arranged on the base plate, and a height measuring mechanism arranged on one side of the placing table and the base plate.

[0006] The height measuring assembly comprises a vernier caliper assembly vertically arranged on the base plate, the vernier caliper assembly comprises a caliper main body, a mounting seat is arranged at the lower end of the end portion of the caliper main body, the mounting seat is fixedly arranged on the base plate through bolts, an electronic vernier is arranged above the mounting seat and outside the caliper main body, and a movable clamping leg is arranged at the lower end of the electronic vernier.

[0007] The placing table comprises a circular turntable arranged below the movable clamping leg and on the base plate, and a rotating shaft is arranged at the bottom of the circular turntable and on the base plate.

[0008] The utility model also has the following specific features:

[0009] The movable clamping leg is provided with mounting side plates on both sides, the mounting side plates are provided with limiting pressing plates at the bottom, mounting through holes are arranged on the mounting side plates and the movable clamping leg, mounting bolts are arranged in the mounting through holes, and mounting nuts are arranged at the end portions of the mounting bolts and pass through the mounting through holes.

[0010] The bottom surface of the limiting pressing plate is flush with the lowest position of the movable clamping leg.

[0011] The bottom plate is provided with a plurality of auxiliary supporting wheels below the circular turntable.

[0012] The bottom plate is provided with a plurality of rubber pads.

[0013] The caliper body is provided with a scale line, and the "0" mark of the scale line is arranged close to the mounting seat side.

[0014] During measurement, the electronic vernier is raised, then the asphalt Marshall test piece (cylindrical) is placed below the limiting pressing plate, the height of the electronic vernier is lowered, the limiting pressing plate is arranged on the top of the test piece, the height of the test piece is obtained, the position of the test piece is adjusted by rotating the circular turntable, the height of different positions is measured, and then the height of the test piece is obtained by averaging, then the position of the test piece is adjusted by rotating the circular turntable, the diameter of the test piece at different positions is measured, and then the diameter size of the test piece is obtained by averaging, and the test piece is taken down for the next test after the size measurement is completed.

[0015] The asphalt Marshall test piece measuring device has the advantages of simple structure, convenient use, and convenient size measurement of the asphalt Marshall test piece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The utility model discloses an embodiment structure schematic diagram.

[0017] Fig. 2 The utility model discloses an embodiment structure schematic diagram.

[0018] Fig. 3 The utility model discloses an embodiment structure schematic diagram.

[0019] Wherein, the sign is: 1, bottom plate;2, circular turntable;201, pivot;3, caliper body;4, mounting seat;5, electronic vernier;6, movable clamping leg;7, installation side plate;8, limiting pressing plate;9, auxiliary supporting wheel. DETAILED DESCRIPTION

[0020] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0021] Referring to Figs. 1-3 An asphalt Marshall test piece measuring device, comprising a bottom plate 1, a placing table arranged on the bottom plate 1, and a height measuring mechanism arranged on one side of the placing table and the bottom plate 1.

[0022] The height measuring assembly comprises a vernier caliper assembly vertically arranged on the bottom plate 1, the vernier caliper assembly comprises a caliper body 3, the lower end of the end of the caliper body 3 is provided with a mounting seat 4, the mounting seat 4 is fixedly arranged on the bottom plate 1 through bolts, the outer side of the caliper body 3 above the mounting seat 4 is provided with an electronic vernier 5, and the lower end of the electronic vernier 5 is provided with a movable clamping leg 6;

[0023] The placing table comprises a circular turntable 2 arranged below the movable clamping leg 6 and on the bottom plate 1, and the bottom of the circular turntable 2 is provided with a rotating shaft 201, and the bottom end of the rotating shaft 201 is arranged on the bottom plate 1.

[0024] The movable clamping leg 6 is provided with mounting side plates 7 on both sides, the mounting side plates 7 are provided with limiting pressing plates 8 at the bottom, a plurality of mounting through holes are arranged on the mounting side plates 7 and the movable clamping leg 6 in a corresponding manner, mounting bolts are arranged in the mounting through holes, and mounting nuts are arranged at the end portions of the mounting bolts and pass through the mounting through holes;

[0025] The bottom surface of the limiting pressing plate 8 is flush with the lowest position of the movable clamping leg 6.

[0026] A plurality of auxiliary supporting wheels 9 are arranged on the bottom plate 1 below the circular turntable 2, and the bottom surface of the circular turntable 2 abuts against the wheel body of the auxiliary supporting wheel 9.

[0027] A plurality of rubber pads are arranged at the bottom of the bottom plate 1.

[0028] The side surface of the caliper body 3 is provided with a scale line, the “0” mark of the scale line is arranged close to the side of the mounting seat 4, and the indicating line of the “0” mark of the scale line is flush with the top surface of the circular turntable 2.

[0029] During measurement, the electronic vernier 5 is raised, then the asphalt Marshall test piece (cylindrical) is placed below the limiting pressing plate 8, the height of the limiting pressing plate 8 is adjusted to abut against the top of the test piece by lowering the height of the electronic vernier 5, the height of the test piece is obtained, the position of the test piece is adjusted by rotating the circular turntable 2, the heights at different positions are measured, and then the height of the test piece is obtained by averaging, then the position of the test piece is adjusted by rotating the circular turntable 2, the diameters of the test piece at different positions are measured, and then the diameter size of the test piece is obtained by averaging, and after the size measurement is completed, the test piece is taken down for the next test.

[0030] The technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled persons in the technical field within the essential scope of the utility model should also be within the protection scope of the utility model.

Claims

1. An asphalt Marshall test specimen measuring device, characterized by, Including the bottom plate, set up the placement platform on the bottom plate, one side of the placement platform, the bottom plate is also provided with height measuring mechanism; The height measuring mechanism comprises a vernier caliper assembly vertically arranged on the bottom plate, the vernier caliper assembly comprises a caliper body, the lower end of the end of the caliper body is provided with a mounting seat, the mounting seat is fixedly arranged on the bottom plate by bolts, the outside of the caliper body above the mounting seat is provided with an electronic vernier, the lower end of the electronic vernier is provided with a movable clamp foot; The placement platform comprises a circular turntable arranged below the movable clamp foot and on the bottom plate, the bottom of the circular turntable is provided with a rotating shaft, and the bottom end of the rotating shaft is arranged on the bottom plate.

2. The asphalt Marshall test specimen measuring device of claim 1, wherein, The movable clamp foot is provided with mounting side plates on both sides, the mounting side plates are provided with limiting pressure plates at the bottom, mounting through holes are arranged on the mounting side plates and the movable clamp foot, mounting bolts are arranged in the mounting through holes, and mounting nuts are arranged on the end of the mounting bolts and pass through the mounting through holes.

3. The asphalt Marshall test specimen measuring device of claim 2, wherein, A plurality of auxiliary supporting wheels are arranged below the circular turntable and on the bottom plate, and the bottom surface of the circular turntable abuts against the wheel body of the auxiliary supporting wheel.

4. The asphalt Marshall test specimen measuring device of claim 3, wherein, A plurality of rubber pads are arranged at the bottom of the bottom plate.