CN109696368A - A kind of three axis fatigue tester of pitch - Google Patents
A kind of three axis fatigue tester of pitch Download PDFInfo
- Publication number
- CN109696368A CN109696368A CN201910091558.8A CN201910091558A CN109696368A CN 109696368 A CN109696368 A CN 109696368A CN 201910091558 A CN201910091558 A CN 201910091558A CN 109696368 A CN109696368 A CN 109696368A
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- China
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- axis
- testing machine
- main body
- bottom end
- fixedly installed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of three axis fatigue testers of pitch, include testing machine main body, control panel, hydraulic oil pump, three axis test cabinets, displacement sensor, the front of the testing machine main body is hingedly equipped with hatch door, control panel is placed on the left of the testing machine main body, the top of the testing machine main body is fixedly installed with hydraulic oil pump.The three axis fatigue tester of pitch is by being provided with three axis test cabinets and multiple measurement chambers, liquid bitumen can be placed in three axis test cabinets, liquid bitumen is oppressed by main compression bar, tired numerical value is acquired by displacement sensor after repeat impact, multiple measurement chambers can measure the tired numerical value of multiple positions simultaneously, it is more accurately calculated convenient for fatigue data of the staff to hydraulic pitch, improve the accuracy of measurement, it is simultaneously also that liquid bitumen can directly carry out fatigue test, simple structure and reasonable design, therefore convenient for promoting.
Description
Technical field
The present invention relates to pitch fatigue tester technical field, specially a kind of three axis fatigue tester of pitch.
Background technique
Existing pitch fatigue tester is often tested to be laid with the pitch of highway, therefore, in test, sample
This is often fix-bitumen, and the tired numerical value of liquid bitumen is not available this kind of pitch fatigue tester and is directly tested,
Also, when being tested by three axis test cabinets pitch, existing test cabinet can only do the radial displacement of pitch single
Data are unified, can not to the multiple and different multiple data of bit test, therefore, it is necessary to design a kind of three axis fatigue tester of pitch with
It solves the above problems.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of three axis fatigue tester of pitch
The tired numerical value of liquid bitumen is not available this kind of pitch fatigue tester and is directly tested, also, passes through three axis test cabinets
When testing pitch, existing test cabinet can only do single data unification to the radial displacement of pitch, can not be to multiple
The problem of difference bit test multiple data.
To achieve the above object, the invention provides the following technical scheme: a kind of three axis fatigue tester of pitch, including test
The front of owner's body, control panel, hydraulic oil pump, three axis test cabinets, displacement sensor, the testing machine main body is hingedly equipped with
Hatch door is placed with control panel on the left of the testing machine main body, and the top of the testing machine main body is fixedly installed with hydraulic oil
Pump, and the output end of hydraulic oil pump is fixedly connected with press rods, the testing machine body interior across the top of testing machine main body
Bottom end be fixedly installed with three axis test cabinets, the top screw thread of the three axis test cabinet is equipped with fixed lid, the fixed lid
Limit sleeve after top is fixedly mounted, and main compression bar is placed in limit sleeve, the bottom end of the main compression bar passes through fixed lid and extends
To three axis test cabinets, the bottom end of the main compression bar is fixedly installed with pressing plate, and the bottom end of the three axis test cabinet is fixedly mounted
There is triaxial chamber chassis, the two sides inside the three axis test cabinet all offer sliding cavity, and the quantity of sliding cavity described in every side is all
Three, sliding shoe is all slidably fitted in the sliding cavity, the side of the sliding shoe is all fixedly installed with push plate, the sliding
Three axis test chamber surface on the outside of chamber is all fixedly installed with press rods, and the outside fixing sleeve of the three axis test cabinet is connected to installation
Ring, and the both ends of mounting ring are all connected with insertion rod, the insertion rod is inserted in outside three axis test cabinets far from one end of mounting ring
In the measurement chamber of side middle, all inserted with protective plug, the one end of the insertion rod far from mounting ring in remaining described measurement chamber
It is fixedly installed with displacement sensor, is all stabbed inserted with limit on the measurement chamber.
Preferably, the top of the main compression bar is equipped with board by being welded and fixed, and the bottom end phase of board and press rods
Mutually cooperation.
Preferably, the top of the main compression bar is funnel-shaped, and the diameter of the limit sleeve is less than the top of main compression bar.
Preferably, the bottom end of the pressing plate is fixedly installed with polytetrafluoroethylene film by inlaying, the outside of the pressing plate
It is fitted closely with the inner wall of three axis test cabinets.
Preferably, the bottom end in the intracavitary portion of measurement is all provided with limiting slot, and bottom end all screw threads of the limit stamp are installed
In limiting slot.
Preferably, the protective plug is all fitted closely with sliding shoe close to one end of sliding shoe, the protective plug all screw threads
It is installed in measurement chamber.
Preferably, the insertion end of the protective plug all offers through-hole, and the through-hole all cooperates with limit stamp.
Preferably, the input terminal of the output end of institute's displacement sensors and control panel is electrically connected, the control panel
Output end be electrically connected with the input terminal of hydraulic oil pump by conducting wire.
Compared with prior art, the beneficial effects of the present invention are: the three axis fatigue tester of pitch is by being provided with three axis
Test cabinet and multiple measurement chambers, liquid bitumen can be placed in three axis test cabinets, oppress liquid bitumen by main compression bar, repeatedly rush
Tired numerical value is acquired by displacement sensor after hitting, while multiple measurement chambers can measure the tired numerical value of multiple positions,
It is more accurately calculated convenient for fatigue data of the staff to hydraulic pitch, improves the accuracy of measurement, while being also liquid
State pitch can directly carry out fatigue test, simple structure and reasonable design, therefore be convenient for promoting.
Detailed description of the invention
Fig. 1 is structure schematic elevation view of the invention；
Fig. 2 is three axis test cabinets of the invention and main pressure rod structure schematic elevation view；
Fig. 3 is that main compression bar of the invention and fixed lid structure face diagrammatic cross-section；
Fig. 4 is the portion A enlarged diagram in Fig. 2 of the invention；
Fig. 5 is the portion B enlarged diagram in Fig. 2 of the invention；
Fig. 6 is that structure schematic elevation view is stabbed in limit of the invention；
Fig. 7 is protection plug structure schematic top plan view of the invention；
Fig. 8 is circuit connecting relation schematic diagram of the invention.
In figure: 1, testing machine main body；2, control panel；3, hydraulic oil pump；4, hatch door；5, press rods；6, main compression bar；7, three
Axis test cabinet；8, fixed lid；9, limit sleeve；10, board；11, pressing plate；12, polytetrafluoroethylene film；13, through-hole；14, three axis
Room chassis；15, chamber is measured；16, mounting ring；17, insertion rod；18, protective plug；19, limit stamp；20, displacement sensor；21, sliding
Dynamic chamber；22, sliding shoe；23, limiting slot；24, push plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8 is please referred to, a kind of embodiment provided by the invention:
A kind of three axis fatigue tester of pitch, including testing machine main body 1, control panel 2, hydraulic oil pump 3, three axis test cabinets 7, position
Displacement sensor 20, the model of the displacement sensor 20 can be CWY-DW-S, and the control panel 2 is by operation button, control module, aobvious
Show module and memory module composition, wherein the model of control module can be CJ-1, and control module is internally provided with data
Chip is handled, the model of the data processing chip can be AD8352ACPZ, and the model of display module can be HYWEI1602-1, deposit
The model for storing up module can be MC291, and the output end of operation button is electrically connected by conducting wire with the input terminal of control module, and displacement passes
The output end of sensor 20 and the input terminal of control panel 2 are electrically connected, and the output end of control panel 2 passes through conducting wire and hydraulic oil pump
3 input terminal electrical connection, the front of testing machine main body 1 are hingedly equipped with hatch door 4, and the left side of testing machine main body 1 is placed with control
Panel 2, the top of testing machine main body 1 are fixedly installed with hydraulic oil pump 3, and the model of the hydraulic oil pump 3 can be KCB/2CY, hydraulic
The top that the output end of oil pump 3 passes through testing machine main body 1 is fixedly connected with press rods 5, and the bottom end inside testing machine main body 1 is fixed
Three axis test cabinets 7 are installed, the top screw thread of three axis test cabinets 7 is equipped with fixed lid 8, the top of fixed lid 8 be fixedly mounted with
Limit sleeve 9 afterwards, and main compression bar 6 is placed in limit sleeve 9, the top of main compression bar 6 is equipped with board 10 by being welded and fixed, and holds
The bottom end of plate 10 and press rods 5 cooperates, and board 10 and press rods 5 are intermeshed, and the top of main compression bar 6 is funnel-shaped, limit
The diameter of position set 9 is less than the top of main compression bar 6, and during ballistic motion, the top of main compression bar 6 can not be pressed into limit sleeve 9
In, it avoids the pressure of impact excessive, causes three axis test cabinets 7 by pressure damage, the bottom end of main compression bar 6 passes through fixed lid 8 and extends
To three axis test cabinets 7, the bottom end of main compression bar 6 is fixedly installed with pressing plate 11, and the bottom end of pressing plate 11 is by inlaying fixed installation
There is polytetrafluoroethylene film 12, the outside of pressing plate 11 and the inner wall of three axis test cabinets 7 fit closely, the polytetrafluoro of 11 bottom end of pressing plate
Vinyl film 12 can reduce end effect when impact.
The bottom end of three axis test cabinets 7 is fixedly installed with triaxial chamber chassis 14, and the two sides inside three axis test cabinets 7 all offer
Sliding cavity 21, the quantity of every Slideslip chamber 21 are all three, and sliding shoe 22 is all slidably fitted in sliding cavity 21, sliding shoe 22
Side is all fixedly installed with push plate 24, and three axis test cabinets, 7 surface in 21 outside of sliding cavity is all fixedly installed with press rods 5, three axis
The outside fixing sleeve of test cabinet 7 is connected to mounting ring 16, and the both ends of mounting ring 16 are all connected with insertion rod 17, and insertion rod 17 is separate
One end of mounting ring 16 is inserted in the measurement chamber 15 of three axis test cabinets, 7 outside middle, remaining measurement chamber 15 in all inserted with
Protective plug 18, insertion rod 17 are fixedly installed with displacement sensor 20 far from one end of mounting ring 16, measure on chamber 15 all inserted with
Limit stamp 19, protective plug 18 is all fitted closely with sliding shoe 22 close to one end of sliding shoe 22, and all screw threads of protective plug 18 are installed on
It measures in chamber 15, the insertion end of protective plug 18 all offers through-hole 13, and through-hole 13 all cooperates with limit stamp 19, measures chamber 15
Internal bottom end is all provided with limiting slot 23, and bottom end all screw threads of limit stamp 19 are installed in limiting slot 23, passes through limit stamp 19
Insertion rod 17 and protective plug 18 are limited, make it that can not fall off from measurement chamber 15.
Working principle: when in use, staff is first by device external power supply, so that device can work normally, then, work
Make personnel and the work of hydraulic oil pump 3 is controlled by control panel 2, rises the output end of hydraulic oil pump 3 downwards, make press rods 5
Bottom end is separated with board 10, can be removed fixed lid 8 from the top of three axis test cabinets 7 by rotating fixed lid 8 at this time, be connect
Staff the pitch sample that detects will be needed to import in three axis test cabinets 7, and by being once again screwed into fixed lid 8, will fix
Lid 8 is mounted on three axis test cabinets 7.
Then, staff starts hydraulic oil pump 3 by control panel 2, and hydraulic oil pump 3 is made to carry out reciprocating impact movement,
Press rods 5 are driven to do reciprocating impact movement by the output end of hydraulic oil pump 3, since board 10 is close in the bottom end of press rods 5,
When press rods 5 do ballistic motion, main compression bar 6 does ballistic motion, pressing plate 11 to the sample inside three axis test cabinets 7 with dynamic pressure plate 11
The polytetrafluoroethylene film 12 of bottom end can reduce end effect when impact, after being oppressed by sample, squeeze push plate 24, make to push away
Plate 24 slides in sliding cavity 21, make sliding shoe 22 oppress displacement sensor 20, displacement sensor 20 detect displacement data, and
Control panel 2 is sent the data to, single detection can be completed.
Meanwhile complete single detection after, staff can by will limit stamp 19 rotation, make limit stab 19 bottom end from
It separates in limiting slot 23, then by 19 extraction of limit stamp, then extracts insertion rod 17 and protective plug 18 from measurement chamber 15 out, so
The position that insertion rod 17 and protective plug 18 are inserted into is adjusted afterwards, after the adjustment turns back to limit stamp 19 in measurement chamber 15, and
It is threadably mounted at the bottom end of limit stamp 19 in limiting slot 23, the position of insertion rod 17 can be adjusted, then, staff is logical
It crosses control panel 2 and is again started up hydraulic oil pump 3, sample is detected, since the position of insertion rod 17 is adjusted, can adopt
Collect the data of multiple positions, the fatigue data of sample is determined convenient for staff.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of three axis fatigue tester of pitch, including testing machine main body (1), control panel (2), hydraulic oil pump (3), three axis are surveyed
Try room (7), displacement sensor (20), it is characterised in that: the front of the testing machine main body (1) is hingedly equipped with hatch door (4), institute
It states and is placed on the left of testing machine main body (1) control panel (2), the top of the testing machine main body (1) is fixedly installed with hydraulic
Oil pump (3), and the output end of hydraulic oil pump (3) is fixedly connected with press rods (5) across the top of testing machine main body (1), it is described
The internal bottom end of testing machine main body (1) is fixedly installed with three axis test cabinets (7), the top screw thread peace of the three axis test cabinet (7)
(8) are covered equipped with fixed, limit sleeve (9) after the top of the fixed lid (8) is fixedly mounted, and master is placed in limit sleeve (9)
Compression bar (6), the bottom end of the main compression bar (6) pass through fixed lid (8) and extend to three axis test cabinets (7) inside, the main compression bar (6)
Bottom end be fixedly installed with pressing plate (11), the bottom end of the three axis test cabinet (7) is fixedly installed with triaxial chamber chassis (14), described
The internal two sides of three axis test cabinets (7) all offer sliding cavity (21), and the quantity of sliding cavity (21) described in every side is all three, institute
It states and is all slidably fitted in sliding cavity (21) sliding shoe (22), the side of the sliding shoe (22) is all fixedly installed with push plate
(24), three axis test cabinet (7) surfaces on the outside of the sliding cavity (21) are all fixedly installed with press rods (5), the three axis test
The outside fixing sleeve of room (7) is connected to mounting ring (16), and the both ends of mounting ring (16) are all connected with insertion rod (17), the insertion
Bar (17) is inserted on the outside of three axis test cabinets (7) in the measurement chamber (15) of middle far from the one end of mounting ring (16), remaining institute
It states all inserted with protective plug (18) in measurement chamber (15), the insertion rod (17) is fixedly installed with far from the one end of mounting ring (16)
Displacement sensor (20) all stabs (19) inserted with limit on the measurement chamber (15).
2. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the top of the main compression bar (6)
End is equipped with board (10) by being welded and fixed, and the bottom end of board (10) and press rods (5) cooperates.
3. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the top of the main compression bar (6)
Hold funnel-shaped, the diameter of the limit sleeve (9) is less than the top of main compression bar (6).
4. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the bottom end of the pressing plate (11)
It is fixedly installed with polytetrafluoroethylene film (12) by inlaying, the inner wall in the outside of the pressing plate (11) and three axis test cabinets (7)
It fits closely.
5. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the measurement chamber (15) is internal
Bottom end be all provided with limiting slot (23), it is described limit stamp (19) bottom end all screw threads be installed in limiting slot (23).
6. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the protective plug (18) is close
One end of sliding shoe (22) is all fitted closely with sliding shoe (22), and the protective plug (18) all screw threads are installed on measurement chamber (15)
In.
7. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: the protective plug (18) is inserted
Enter end all to offer through-hole (13), the through-hole (13) all cooperates with limit stamp (19).
8. three axis fatigue tester of a kind of pitch according to claim 1, it is characterised in that: institute's displacement sensors (20)
Output end and the input terminal of control panel (2) be electrically connected, the output end of the control panel (2) passes through conducting wire and hydraulic oil
Pump the input terminal electrical connection of (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091558.8A CN109696368B (en) | 2019-01-30 | 2019-01-30 | Asphalt triaxial fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091558.8A CN109696368B (en) | 2019-01-30 | 2019-01-30 | Asphalt triaxial fatigue testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109696368A true CN109696368A (en) | 2019-04-30 |
| CN109696368B CN109696368B (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091558.8A Active CN109696368B (en) | 2019-01-30 | 2019-01-30 | Asphalt triaxial fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109696368B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429405A (en) * | 2023-06-12 | 2023-07-14 | 常州特尔玛科技股份有限公司 | Device and method for testing fatigue of bumper for robot welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN109696368B (en) | 2020-10-30 |
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