CN104132843B - Strongly thermal coupling environment experiment platform - Google Patents
Strongly thermal coupling environment experiment platform Download PDFInfo
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- CN104132843B CN104132843B CN201410370901.XA CN201410370901A CN104132843B CN 104132843 B CN104132843 B CN 104132843B CN 201410370901 A CN201410370901 A CN 201410370901A CN 104132843 B CN104132843 B CN 104132843B
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Abstract
The invention discloses a kind of strength thermal coupling environment experiment platform, including underframe, stand flat board, little guide rail, small slide block, small slide block block, baffle plate, ball, clamping plate, pipeline, little chuck pedestal, little chuck, lesser calorie disk cover, lesser calorie plate screw, flow-guiding mouth, jet-flow pipe, big chuck pedestal, big chuck, kilocalorie disk cover, kilocalorie plate screw, big guide rail, big slide block, big slide block block, rotating disk, turntable shaft, bevel gear, screw mandrel and casing；Jet-flow transmission range scalable of the present invention, load are big and change is fast, apply pressure can regulate, chucking power is stable.
Description
Technical field
The invention belongs to thermal coupling experiment field, particularly a kind of strength thermal coupling environment experiment platform.
Background technology
Power thermal coupling refer to the temperature of object and stress simultaneously by acute variation, the coupling analysis of finite element analysis refers to examine
Consider the cross action of two kinds of physical fields (power, heat) and interacted (coupling).Develop rapidly in computer technology
Today, finite element modeling environment and computing technique had significant progress, the most general and special finite element modeling
Environment is all by the failure criteria of material, material flow law, self adaptation or weight grid division technology and thermodynamic consistence
Monotechnics rolls into one.At present, composite mechanical characteristic under power thermal coupling effect has caused the weight that various countries are studied
Depending on.
Cord-rubber composite with rubber as matrix has large deformation, high resiliency, can seal water, heat and pressure etc.
Feature, excellent performance, there are extensive and important application, cord-rubber combined in fields such as space flight, aviation and automobiles
The research of material has become as the frontier nature problem of material science.Launch field at national defence, aerospace, also exist big
Amount strength thermal coupling environment, such as, along with strong combustion gas shock effect during rocket launching, rubber composite component needs
To bear the compound action of instantaneous strong Wen Bianyu height load simultaneously, rise very rapidly up to from room temperature or low temperature environment in several seconds
The hot environment of 400～500 DEG C, significantly changing occurs in short time internal load, and transient load is up to 2,000kN.This makes
Nowadays cord-rubber composite research of mechanics change mechanism under strong temperature uprises load can not be met far away need
Wanting, it would be desirable to more deep go exploratory development, but in this area, we also lack and are applicable to strong temperature and uprise lotus
Carry the theoretical model of environment, it is impossible to meet Research Requirements, in the urgent need to carrying out correlational study work.
Strongly under thermal coupling effect, composite material thin wall spherical shell pressurized large deformation problem is that strong temperature uprises cord-rubber under load
Urgent problem in composite applied basic research, strongly thermal coupling effect is primarily referred to as the temperature of spherical shell internal gas
There is violent change in degree and pressure, owing to the load time is the shortest, temperature and load change are very violent at short notice,
At present involved in research work power thermal coupling is all not belonging to strength thermal coupling category, be not related to strong temperature become, big load with
The coupling of high loading rate, owing to the load time is the shortest, temperature and load change are very violent, and common experiment sets
For being extremely difficult to this requirement, future studies need build strength thermal coupling environmental experiment platform and loads.
Summary of the invention
It is an object of the invention to provide a kind of jet-flow transmission range scalable, load is big and change is fast, apply pressure
Can regulate, strength thermal coupling environment experiment platform that chucking power is stable.
The technical solution realizing the object of the invention is:
A kind of strength thermal coupling environment experiment platform, it is characterised in that: include underframe, stand flat board, little guide rail, little cunning
Block, small slide block block, baffle plate, ball, clamping plate, pipeline, little chuck pedestal, little chuck, lesser calorie disk cover, lesser calorie
Plate screw, flow-guiding mouth, jet-flow pipe, big chuck pedestal, big chuck, kilocalorie disk cover, kilocalorie plate screw, big guide rail,
Big slide block, big slide block block, rotating disk, turntable shaft, bevel gear, screw mandrel and casing；Big guide rail in the side of underframe, and
On same straight line, stand flat board is fixed on underframe top, little guide rail and little chuck pedestal and is fixedly installed on stand flat board
On, fixed by screw between small slide block block and small slide block, for sliding between small slide block and small slide block block and little guide rail
Pair, baffle plate is fixed on small slide block top, and ball is arranged on the baffle plate side near little chuck pedestal, ball and clamping plate
Fixing and the center of circle is coaxial, the opposite side of clamping plate is fixed with pipeline, and pipeline turns on the cavity of ball, and little chuck is arranged on
The side of little chuck pedestal, and the center of circle is coaxial, lesser calorie disk cover is evenly distributed on little chuck circumference, is spiral shell in the middle of lesser calorie disk cover
Hole, is screw pair between lesser calorie plate screw and lesser calorie disk cover, and pipeline passes little chuck and chuck pedestal；Big slide block block with
Big slide block is fixed by screw, is sliding pair between big slide block and big slide block block and big guide rail, and big chuck pedestal is fixing to be set
Putting on big slide block, big chuck is arranged on the side of big chuck pedestal, and the center of circle is coaxial, and kilocalorie disk cover is evenly distributed on greatly
Chuck circumference, is screw in the middle of kilocalorie disk cover, is screw pair between kilocalorie plate screw and kilocalorie disk cover, and jet-flow pipe is worn
Excessive chuck and big chuck pedestal；Jet-flow tube and tube road is coaxial, and flow-guiding mouth is arranged between jet-flow pipe and pipeline；
Rotating disk connects a gear end of bevel gear by turntable shaft, and another gear end of bevel gear forms revolute pair with screw mandrel,
Screw mandrel and big guide rail parallel, bevel gear is arranged in casing, and casing upper end cover has circular hole, and turntable shaft circumference is slotted, and turns
Dish axle passes circular hole, and end is assembled with box cover by nut, forms revolute, and casing is fixed with big slide block.
The present invention compared with prior art, its remarkable advantage:
(1) it is screw pair between screw mandrel and the bevel gear of the present invention, rotary turnplate, transmission between bevel gear can be passed through,
Bevel gear being slided along screw mandrel, axle is rotated and casing moves along screw mandrel, casing consolidates with big chuck pedestal, drives
Its big guide rail moves so that the distance between jet-flow tube end and flow-guiding mouth changes, regulating gas jet input channel
Distance so that the present invention has the adjustable advantage of jet-flow transmission range.
(2) the jet-flow pipe input of the present invention for rocket engine combustion gas, the therefore load of input in ball
Big and change is fast so that it is big and change fast advantage that the present invention has load.
(3) it is sliding pair between small slide block and the little guide rail of the present invention, by regulating the degree of tightness of screw, gear can be regulated
Position relationship between plate and ball, changes and ball is applied pressure so that the present invention has applying pressure adjustable joint
Advantage.
(4) lesser calorie plate screw and the kilocalorie plate screw of the present invention is respectively completed pipeline and the clamping of jet-flow pipe, spiral
Pair can be with self-locking, and by 3 clampings so that the present invention has the advantage that chucking power is stable.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of present invention strength thermal coupling environment experiment platform.
Fig. 2 is that present invention strength thermal coupling environment experiment platform removes the structural representation that casing also has.
Fig. 3 is the schematic diagram of the position adjustment state one of present invention strength thermal coupling environment experiment platform small slide block.
Fig. 4 is the schematic diagram of the position adjustment state two of present invention strength thermal coupling environment experiment platform small slide block.
Fig. 5 is the clamping schematic diagram of present invention strength thermal coupling environment experiment platform ball.
Fig. 6 is the position adjustment schematic diagram of the present invention strength big slide block of thermal coupling environment experiment platform.
Fig. 7 is the clamped condition schematic diagram of present invention strength thermal coupling environment experiment platform jet-flow pipe.
Fig. 8 is the releasing orientation schematic diagram of present invention strength thermal coupling environment experiment platform jet-flow pipe.
Detailed description of the invention
In conjunction with Fig. 1 and Fig. 2:
One of the present invention strength thermal coupling environment experiment platform, including underframe 1, stand flat board 2, little guide rail 3, small slide block
4, small slide block block 5, baffle plate 6, ball 7, clamping plate 8, pipeline 9, little chuck pedestal 10, little chuck 11, little
Card disk cover 12, lesser calorie plate screw 13, flow-guiding mouth 14, jet-flow pipe 15, big chuck pedestal 16, big chuck 17,
Kilocalorie disk cover 18, kilocalorie plate screw 19, big guide rail 20, big slide block 21, big slide block block 22, rotating disk 23, rotating disk
Axle 24, bevel gear 25, screw mandrel 26 and casing 27；Big guide rail 20 is in the side of underframe 1, and on same straight line,
Stand flat board 2 is fixed on underframe 1 top, little guide rail 3 and little chuck pedestal 10 and is fixedly installed on stand flat board 2,
Fixed by screw between small slide block block 5 and small slide block 4, between small slide block 4 and small slide block block 5 and little guide rail 3
For sliding pair, baffle plate 6 is fixed on small slide block 4 top, and ball 7 is arranged on baffle plate 6 near little chuck pedestal 10
Side, ball 7 is fixing with clamping plate 8 and the center of circle is coaxial, and the opposite side of clamping plate 8 is fixed with pipeline 9, pipeline 9 and rubber
The cavity conducting of glueballs 7, little chuck 11 is arranged on the side of little chuck pedestal 10, and the center of circle is coaxial, lesser calorie disk cover 12
Be evenly distributed on little chuck 11 circumference, be screw in the middle of lesser calorie disk cover 12, lesser calorie plate screw 13 and lesser calorie disk cover 12 it
Between be screw pair, pipeline 9 is through little chuck 11 and chuck pedestal 10；Big slide block block 22 passes through spiral shell with big slide block 21
Nail is fixing, is sliding pair between big slide block 21 and big slide block block 22 and big guide rail 20, and big chuck pedestal 16 is fixing to be set
Putting on big slide block 21, big chuck 17 is arranged on the side of big chuck pedestal 16, and the center of circle is coaxial, kilocalorie disk cover 18
Be evenly distributed on big chuck 17 circumference, be screw in the middle of kilocalorie disk cover 18, kilocalorie plate screw 19 and kilocalorie disk cover 18 it
Between be screw pair, jet-flow pipe 15 is through big chuck 17 and big chuck pedestal 16；Jet-flow pipe 15 and pipeline 9
Coaxially, flow-guiding mouth 14 is arranged between jet-flow pipe 15 and pipeline 9；Rotating disk 23 connects cone tooth by turntable shaft 24
One gear end of wheel 25, another gear end of bevel gear 25 and screw mandrel 26 form revolute pair, screw mandrel 26 with lead greatly
Rail 20 is parallel, and bevel gear 25 is arranged in casing 27, and casing 27 upper end cover has circular hole, and turntable shaft 24 circumference is opened
Groove, turntable shaft 24 is through circular hole, and end is assembled with casing 27 upper cover by nut, forms revolute, casing 27
Fix with big slide block 21.
Ball 7 arranges fixed plate near one end of clamping plate 8, and fixed plate is arranged between two panels clamping plate 8, and passes through spiral shell
Screw bolt and nut is fixed.
The frame structure that underframe 1 is fixed for angle steel.
Lesser calorie disk cover 12 and kilocalorie disk cover 18 are all higher than equal to three.
Embodiment:
One of the present invention strength thermal coupling environment experiment platform, including underframe 1, stand flat board 2, little guide rail 3, small slide block
4, small slide block block 5, baffle plate 6, ball 7, clamping plate 8, pipeline 9, little chuck pedestal 10, little chuck 11, little
Card disk cover 12, lesser calorie plate screw 13, flow-guiding mouth 14, jet-flow pipe 15, big chuck pedestal 16, big chuck 17,
Kilocalorie disk cover 18, kilocalorie plate screw 19, big guide rail 20, big slide block 21, big slide block block 22, rotating disk 23, rotating disk
Axle 24, bevel gear 25, screw mandrel 26 and casing 27；
The frame structure that underframe 1 is fixed for angle steel, big guide rail 20 is in the side of underframe 1, and at same straight line
On, stand flat board 2 is fixed on underframe 1 top, little guide rail 3 and little chuck pedestal 10 and is fixedly installed on platform by screw
On frame flat board 2, fixed by screw between small slide block block 5 and small slide block 4, small slide block 4 and small slide block block 5 with
Being sliding pair between little guide rail 3, baffle plate 6 is fixed on small slide block 4 top, and ball 7 is arranged on baffle plate 6 near lesser calorie
The side of dish pedestal 10, ball 7 is fixing with clamping plate 8 and the center of circle is coaxial, and ball 7 sets near one end of clamping plate 8
Putting fixed plate, fixed plate is arranged between two panels clamping plate 8, and is fixed by screw bolt and nut, and the opposite side of clamping plate 8 is solid
Surely having pipeline 9, pipeline 9 to turn on the cavity of ball 7, little chuck 11 is arranged on the side of little chuck pedestal 10,
And the center of circle is coaxial, three lesser calorie disk covers 12 are evenly distributed on little chuck 11 circumference, are screw in the middle of lesser calorie disk cover 12,
Being screw pair between lesser calorie plate screw 13 and lesser calorie disk cover 12, pipeline 9 is through little chuck 11 and chuck pedestal 10；Greatly
Slide block block 22 is fixed by screw with big slide block 21, between big slide block 21 and big slide block block 22 and big guide rail 20
For sliding pair, big chuck pedestal 16 is fixedly installed on big slide block 21 by screw, and big chuck 17 is arranged on big chuck
The side of pedestal 16, and the center of circle is coaxial, three kilocalorie disk covers 18 are evenly distributed on big chuck 17 circumference, kilocalorie disk cover
Being screw in the middle of 18, be screw pair between kilocalorie plate screw 19 and kilocalorie disk cover 18, jet-flow pipe 15 is through kilocalorie
Dish 17 and big chuck pedestal 16；Jet-flow pipe 15 is coaxial with pipeline 9, and flow-guiding mouth 14 is arranged on jet-flow pipe 15
And between pipeline 9；Rotating disk 23 connects a gear end of bevel gear 25 by turntable shaft 24, another of bevel gear 25
Individual gear end and screw mandrel 26 form revolute pair, and screw mandrel 26 is parallel with big guide rail 20, and bevel gear 25 is arranged on casing 27
In, casing 27 upper end cover has circular hole, and turntable shaft 24 circumference fluting, turntable shaft 24 is through circular hole, and end is passed through
Nut assembles with casing 27 upper cover, forms revolute, and casing 27 is fixed with big slide block 21.
In conjunction with Fig. 3 and Fig. 4:
Unclamp the screw between small slide block 4 and small slide block block 5, small slide block 4 can be slided on little guide rail 3, make
The distance obtained between baffle plate 6 and ball 7 changes, and plays change and ball is executed stressed effect.
In conjunction with Fig. 5:
Ball 7 end face is fixed by screw with clamping plate 8, then with another clamping plate 8, use nut clamping, prevent combustion gas
Jet leaks.
In conjunction with Fig. 6:
Rotating rotating disk 23 drives turntable shaft 24 to drive bevel gear 25 to rotate, by the transmission of two bevel gears 25, bevel gear
Being screw pair between 25 and screw mandrel 26, therefore under bevel gear 25 acts on, big slide block 21 and big slide block block 22 are along greatly
Guide rail 20 slides, play adjust jet-flow transmission range effect, and due to jet-flow pipe 15 output for starting
Machine jet-flow, load is big and change is fast.
In conjunction with Fig. 7 and Fig. 8:
Big chuck 17 is arranged on the side of big chuck pedestal 16, and three kilocalorie disk covers 18 are distributed in big chuck 17 circumference,
It is screw pair between kilocalorie plate screw 19 and kilocalorie disk cover 17, rotates kilocalorie plate screw 19 and it can be made to stretch out, complete
3 clampings of jet-flow pipe 15 in pairs, clamping stability is high.
Working method: the function of mechanism is to realize the pressurization experiment of the strength thermal coupling to ball 7.Jet-flow pipe
15 external rocket engine spouts, greatly and change fast high-temperature fuel gas to laboratory table input load, and big chuck 17 is arranged on
The side of big chuck pedestal 16, three kilocalorie disk covers 18 are distributed in big chuck 17 circumference, kilocalorie plate screw 19 and kilocalorie
It is screw pair between disk cover 17, rotates kilocalorie plate screw 19 and it can be made to stretch out, complete jet-flow pipe 15
3 clampings, are screw pair between screw mandrel 26 and bevel gear 25, rotary turnplate 23, can be by between bevel gear 25
Transmission so that bevel gear 25 slides along screw mandrel 26, drives casing 27 to move along screw mandrel 26, casing 27 and big chuck
Pedestal 16 consolidates, and drives its big guide rail 20 to move so that the distance between jet-flow pipe 15 end and flow-guiding mouth 14
Change, the distance of regulating gas jet input channel 9 so that the gaseous-pressure input ball 7 of different values, start
Machine jet-flow enters in ball 7 by pipeline 9 so that ball 7, by compression swelling, contacts with baffle plate 6, baffle plate
6 pairs of ball 7 apply active force, are sliding pair between small slide block 4 and little guide rail 3, by regulating the degree of tightness of screw,
Can change with the position relationship between controllable register 5 and rubber 7 ball 7 is applied pressure.
Claims (4)
1. one kind strength thermal coupling environment experiment platform, it is characterised in that: include underframe (1), stand flat board (2),
Little guide rail (3), small slide block (4), small slide block block (5), baffle plate (6), ball (7), clamping plate (8), pipeline
(9), little chuck pedestal (10), little chuck (11), lesser calorie disk cover (12), lesser calorie plate screw (13), flow-guiding mouth (14),
Jet-flow pipe (15), big chuck pedestal (16), big chuck (17), kilocalorie disk cover (18), kilocalorie plate screw (19),
Big guide rail (20), big slide block (21), big slide block block (22), rotating disk (23), turntable shaft (24), bevel gear (25),
Screw mandrel (26) and casing (27)；Big guide rail (20) is in the side of underframe (1), and on same straight line, and stand
Flat board (2) be fixed on underframe (1) top, little guide rail (3) and little chuck pedestal (10) be fixedly installed on stand put down
On plate (2), fixed by screw between small slide block block (5) and small slide block (4), small slide block (4) and small slide block
Being sliding pair between block (5) and little guide rail (3), baffle plate (6) is fixed on small slide block (4) top, ball (7)
Being arranged on the baffle plate (6) side near little chuck pedestal (10), ball (7) is fixed and the center of circle with clamping plate (8)
Coaxially, the opposite side of clamping plate (8) is fixed with pipeline (9), and pipeline (9) turns on the cavity of ball (7), little
Chuck (11) is arranged on the side of little chuck pedestal (10), and the center of circle is coaxial, and lesser calorie disk cover (12) is evenly distributed on
Little chuck (11) circumference, is screw in the middle of lesser calorie disk cover (12), lesser calorie plate screw (13) and lesser calorie disk cover (12)
Between be screw pair, pipeline (9) pass little chuck (11) and chuck pedestal (10)；Big slide block block (22) is with big
Slide block (21) is fixed by screw, for sliding between big slide block (21) and big slide block block (22) and big guide rail (20)
Dynamic pair, big chuck pedestal (16) is fixedly installed on big slide block (21), and big chuck (17) is arranged on big chuck pedestal
(16) side, and the center of circle is coaxial, kilocalorie disk cover (18) is evenly distributed on big chuck (17) circumference, kilocalorie disk cover
(18) it is screw in the middle of, is screw pair between kilocalorie plate screw (19) and kilocalorie disk cover (18), jet-flow pipe (15)
Through big chuck (17) and big chuck pedestal (16)；Jet-flow pipe (15) is coaxial with pipeline (9), flow-guiding mouth (14)
It is arranged between jet-flow pipe (15) and pipeline (9)；Rotating disk (23) connects bevel gear by turntable shaft (24)
(25) a gear end, another gear end of bevel gear (25) forms revolute pair, screw mandrel (26) with screw mandrel (26)
Parallel with big guide rail (20), bevel gear (25) is arranged in casing (27), and casing (27) upper end cover has circular hole,
Turntable shaft (24) circumference fluting, turntable shaft (24) passes circular hole, and end is filled with casing (27) upper cover by nut
Joining, form revolute, casing (27) is fixed with big slide block (21).
Strength thermal coupling environment experiment platform the most according to claim 1, it is characterised in that: described ball
(7) one end near clamping plate (8) arranges fixed plate, and fixed plate is arranged between two panels clamping plate (8), and passes through spiral shell
Screw bolt and nut is fixed.
Strength thermal coupling environment experiment platform the most according to claim 1, it is characterised in that: described underframe (1)
The frame structure fixed for angle steel.
Strength thermal coupling environment experiment platform the most according to claim 1, it is characterised in that: described little chuck
Lid (12) and kilocalorie disk cover (18) are all higher than equal to three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370901.XA CN104132843B (en) | 2014-07-30 | 2014-07-30 | Strongly thermal coupling environment experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370901.XA CN104132843B (en) | 2014-07-30 | 2014-07-30 | Strongly thermal coupling environment experiment platform |
Publications (2)
| Publication Number | Publication Date |
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| CN104132843A CN104132843A (en) | 2014-11-05 |
| CN104132843B true CN104132843B (en) | 2016-12-07 |
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| CN201410370901.XA Active CN104132843B (en) | 2014-07-30 | 2014-07-30 | Strongly thermal coupling environment experiment platform |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913972B (en) * | 2014-12-17 | 2017-09-22 | 天津城建大学 | Multistation clamping device is used in a kind of gas pipeline laser-impact experiment |
| CN110823683B (en) * | 2019-11-11 | 2022-09-30 | 颍上晶宫绿建节能建筑有限责任公司 | Precast concrete spare detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101320028B (en) * | 2008-05-30 | 2013-04-17 | 西安交通大学 | Experiment platform for fluid thermophysical property measurement |
| CN202676542U (en) * | 2012-06-26 | 2013-01-16 | 上海中医药大学附属岳阳中西医结合医院 | Multicellular mechanical loading device and simulation experiment platform |
| GB201216362D0 (en) * | 2012-09-13 | 2012-10-31 | Reading Michael | Apparatus and method for the versatile thermal characterisation of materials |
| CN103091178A (en) * | 2013-01-15 | 2013-05-08 | 天津大学 | Mechanical-thermal composite in-situ loading system |
| CN204027911U (en) * | 2014-07-30 | 2014-12-17 | 南京理工大学 | Powerful thermal coupling environment experiment platform |
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Application publication date: 20141105 Assignee: Nanjing Liuhe Yiran electromechanical equipment manufacturing factory Assignor: NANJING University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980002719 Denomination of invention: Strong thermal coupling environment experimental platform Granted publication date: 20161207 License type: Common License Record date: 20220317 |
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