CN206146740U - Bituminous mixture freeze -thaw split test anchor clamps - Google Patents

Bituminous mixture freeze -thaw split test anchor clamps Download PDF

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Publication number
CN206146740U
CN206146740U CN201621170816.XU CN201621170816U CN206146740U CN 206146740 U CN206146740 U CN 206146740U CN 201621170816 U CN201621170816 U CN 201621170816U CN 206146740 U CN206146740 U CN 206146740U
Authority
CN
China
Prior art keywords
clamping plate
motor
test
thaw
splint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621170816.XU
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Chinese (zh)
Inventor
王威
马德崇
樊长昕
杜素军
殷传峰
何鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Province Transport Science Research Institute
Original Assignee
Shanxi Province Transport Science Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Province Transport Science Research Institute filed Critical Shanxi Province Transport Science Research Institute
Priority to CN201621170816.XU priority Critical patent/CN206146740U/en
Application granted granted Critical
Publication of CN206146740U publication Critical patent/CN206146740U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of bituminous material test tool, involve a bituminous mixture freeze -thaw split test anchor clamps. Test fixture includes bottom plate, motor and splint, the bottom plate includes upper pressing bar and lower layering, and both constitute T shape cross -section, upper pressing bar's surface is equipped with pressure sensor, pressure sensor is connected to the motor through the control unit, the middle part of layering is equipped with horizontal recess down, splint have two parts, for left side splint and the right side splint who constitutes V font cross -section, a left side side splint and right the side splint slider through the bottom respectively insert in the horizontal recess of upper pressing bar both sides, the motor is connected to the slider. Compared with the prior art, bituminous mixture freeze -thaw split test anchor clamps simple structure, the simple operation, realization that can be accurate is alignd the marshall specimen centre of a circle with the layering is central, greatly reduced human error, has improved test accuracy.

Description

A kind of asphalt indirect tensile test on frozen-thaw fixture
Technical field
This utility model belongs to asphalt material test instrument technical field, it particularly relates to arrive a kind of asphalt Indirect tensile test on frozen-thaw fixture.
Background technology
Indirect tensile test on frozen-thaw is simplified by U.S. AASHTO T 283Lottmen methods, under prescribed conditions to drip Blue or green compound carries out freeze-thaw cycle, with compound test specimen by cleavage fracture strength ratio before and after Moisture Damage evaluating Colophonium mixing The anti-water damage ability of material.Needing the marshal piece that will be prepared to be placed on diametral compression test fixture in process of the test carries out splitting examination Test.The lower press strip of generally fixture is fixed on fixture, the elongated structure of press strip cause operator need to adjust repeatedly could incite somebody to action The center of circle of marshal piece is directed at the center of press strip.If test specimen center directly can be fixed on press strip by a kind of novel clamp of design Center, not only can reduce test error and can also improve test efficiency.
The content of the invention
To solve above-mentioned technical problem, this utility model provides a kind of simple structure, the asphalt of simple operation Indirect tensile test on frozen-thaw fixture.
A kind of asphalt indirect tensile test on frozen-thaw fixture described in the utility model, the test fixture include base plate 1, Motor 2 and clamping plate 3;The base plate 1 includes ceiling molding and lower press strip, and both constitute ┻ tee sections;The surface of the ceiling molding sets There is pressure transducer;Pressure transducer is connected to motor 2 by control unit;Transverse concave groove is provided with the middle part of the lower press strip; The clamping plate 3 has two parts, is the left side clamping plate and right side clamping plate for constituting V-shaped section;Left side clamping plate and right side clamping plate difference Inserted in the transverse concave groove of ceiling molding both sides by the slide block of bottom;The slide block connects motor 2.
A kind of asphalt indirect tensile test on frozen-thaw fixture described in the utility model, the base plate 1 and clamping plate 3 are by metal Material is constituted.
A kind of asphalt indirect tensile test on frozen-thaw fixture described in the utility model, the motor 2 have two, are located at bottom The two ends of plate 1.
During on-test, left and right sides clamping plate causes test specimen center and press strip center alignment, has a rest when ceiling molding touches horse During your test specimen, signal is passed to control unit by the pressure transducer of ceiling molding, and control unit promotes Motor drive slide block, left and right two Side clamping plate is moved to both sides of the edge along groove so that clamping plate and test specimen depart from, it is ensured that follow-up test is accurately carried out.
Compared with prior art, asphalt indirect tensile test on frozen-thaw clamp structure described in the utility model is simple, behaviour Make convenient, accurately can realize, by the marshal piece center of circle and press strip center alignment, greatly reducing personal error, improve examination Test accuracy.
Description of the drawings
Fig. 1 is this utility model overall structure diagram.Fig. 2 is this utility model left view.Fig. 3 be this utility model just View.Base plate -1, motor -2, clamping plate -3.
Specific embodiment
With reference to specific embodiment asphalt indirect tensile test on frozen-thaw fixture described in the utility model is done into One step is illustrated, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of asphalt indirect tensile test on frozen-thaw fixture, including base plate 1, motor 2 and clamping plate 3;The base plate 1 includes Press strip and lower press strip, both constitute ┻ tee sections;The surface of the ceiling molding is provided with pressure transducer;Pressure transducer is by control Unit processed is connected to motor 2;Transverse concave groove is provided with the middle part of the lower press strip;The clamping plate 3 has two parts, is to constitute V-shaped The left side clamping plate and right side clamping plate in section;Left side clamping plate and right side clamping plate insert ceiling molding both sides by the slide block of bottom respectively In transverse concave groove;The slide block connects motor 2.The base plate 1 and clamping plate 3 are made up of metal material.The motor 2 has two, It is located at the two ends of base plate 1.
When the ceiling molding contact marshal piece of testing equipment, the pressure transducer of ceiling molding is signaled to motor, Make which order about slide block to move back and forth along groove.The V-structure that left side clamping plate and right side clamping plate are constituted is used for centralized positioning, can The center of the center of circle alignment press strip of marshal piece is made, to improve the accuracy of test.Both sides clamping plate bottom carries slide block, leads to Cross slide block left and right sides clamping plate to move back and forth inside bottom plate groove.The angle and plate width of both sides clamping plate can be according to horse Xie Er sample dimensions are adjusted.
During on-test, left and right sides clamping plate causes test specimen center and press strip center alignment, has a rest when ceiling molding touches horse During your test specimen, signal is passed to control unit by the pressure transducer of ceiling molding, and control unit promotes Motor drive slide block, left and right two Side clamping plate is moved to both sides of the edge along groove so that clamping plate and test specimen depart from, it is ensured that follow-up test is accurately carried out.
Compared with prior art, asphalt indirect tensile test on frozen-thaw clamp structure described in the utility model is simple, behaviour Make convenient, accurately can realize, by the marshal piece center of circle and press strip center alignment, greatly reducing personal error, improve examination Test accuracy.

Claims (3)

1. a kind of asphalt indirect tensile test on frozen-thaw fixture, it is characterised in that the test fixture includes base plate (1), motor And clamping plate (3) (2);The base plate (1) includes ceiling molding and lower press strip, and both constitute ┻ tee sections;The surface of the ceiling molding It is provided with pressure transducer;Pressure transducer is connected to motor (2) by control unit;It is provided with laterally recessed in the middle part of the lower press strip Groove;The clamping plate (3) has two parts, is the left side clamping plate and right side clamping plate for constituting V-shaped section;Left side clamping plate and right side clamping plate Inserted by the slide block of bottom in the transverse concave groove of ceiling molding both sides respectively;Slide block connection motor (2).
2. asphalt indirect tensile test on frozen-thaw fixture according to claim 1, it is characterised in that the base plate (1) and Clamping plate (3) is made up of metal material.
3. asphalt indirect tensile test on frozen-thaw fixture according to claim 1, it is characterised in that the motor (2) has Two, it is located at the two ends of base plate (1).
CN201621170816.XU 2016-11-02 2016-11-02 Bituminous mixture freeze -thaw split test anchor clamps Expired - Fee Related CN206146740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621170816.XU CN206146740U (en) 2016-11-02 2016-11-02 Bituminous mixture freeze -thaw split test anchor clamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621170816.XU CN206146740U (en) 2016-11-02 2016-11-02 Bituminous mixture freeze -thaw split test anchor clamps

Publications (1)

Publication Number Publication Date
CN206146740U true CN206146740U (en) 2017-05-03

Family

ID=58623442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621170816.XU Expired - Fee Related CN206146740U (en) 2016-11-02 2016-11-02 Bituminous mixture freeze -thaw split test anchor clamps

Country Status (1)

Country Link
CN (1) CN206146740U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109655603A (en) * 2019-01-17 2019-04-19 合肥工业大学 Electromagnetism self-healing from collecting fixture after a kind of splitting of bitumen mixture specimen
CN109765094A (en) * 2019-01-17 2019-05-17 安徽建筑大学 Self-healing is from the application method for collecting fixture after a kind of splitting of bitumen mixture specimen
CN110632337A (en) * 2019-10-29 2019-12-31 河南理工大学 Automatic feeding and leveling device and method for Brazilian splitting testing machine sample

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109655603A (en) * 2019-01-17 2019-04-19 合肥工业大学 Electromagnetism self-healing from collecting fixture after a kind of splitting of bitumen mixture specimen
CN109765094A (en) * 2019-01-17 2019-05-17 安徽建筑大学 Self-healing is from the application method for collecting fixture after a kind of splitting of bitumen mixture specimen
CN109765094B (en) * 2019-01-17 2021-05-25 安徽建筑大学 Use method of self-healing and self-collecting clamp for split asphalt mixture test piece
CN109655603B (en) * 2019-01-17 2021-06-29 合肥工业大学 Self-collecting clamp for electromagnetic self-healing after splitting of asphalt mixture test piece
CN110632337A (en) * 2019-10-29 2019-12-31 河南理工大学 Automatic feeding and leveling device and method for Brazilian splitting testing machine sample
CN110632337B (en) * 2019-10-29 2024-04-09 河南理工大学 Automatic sample feeding and leveling device and method for Brazilian split testing machine

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170503

Termination date: 20181102

CF01 Termination of patent right due to non-payment of annual fee