CN205981933U - A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental - Google Patents
A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental Download PDFInfo
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- CN205981933U CN205981933U CN201620856057.6U CN201620856057U CN205981933U CN 205981933 U CN205981933 U CN 205981933U CN 201620856057 U CN201620856057 U CN 201620856057U CN 205981933 U CN205981933 U CN 205981933U
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Abstract
A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental, stress loading position is directly over temperature control portion, anchor clamps include relative up -down's top board and holding down plate, and the top board hangs the incasement at high temperature test through the connecting rod level, and holding down plate movable mounting is at the high temperature test incasement. The entablature is located the top of bottom end rail, the both ends of entablature are fixed on the curb plate, and the curb plate slides from top to bottom and the slider of location fixes on the curb plate through following at the both ends of bottom end rail, the vertical entablature that runs through of directaxis, the upper end of directaxis is fixed with scale pan, and the lower extreme of directaxis is contradicted on the upper surface of bottom end rail, pressure sensor links to each other with the connecting rod that runs through high temperature test case roof, be fixed with displacement sensor on the curb plate. The drive division includes that the ball screw who comprises ball screw and bearing is vice, and the bearing is installed on the base, and ball screw meshes with the bearing mutually, and ball screw can dismantle through fixed layer board with the bottom end rail and be connected.
Description
Technical field
This utility model is related to a kind of device for the test of rubber elastomer high-temerature creep and stress relaxation test.
Background technology
Rubber seal especially O-ring seal is because having the advantages that high resiliency, oil resistant, corrosion-resistant, wear-resistant, extensively use
In the commercial production such as space flight and aviation, oil, chemical industry, machinery and daily life every field.But rubber seal was using
Cheng Zhong, if acted on by temperature, load for a long time, sealing property can be gradually lowered even seal failure.The big absolutely portion of its reason
Divide and there occurs change depending on elastomeric material performance itself, the viscoelasticity of rubber can be also weighing apparatus as the important performance indications of rubber
One important parameter of amount rubber seal sealing property, therefore studies glutinous bullet under actually used operating mode for the rubber seal
Sexual behaviour, can preferably guarantee the sealing property of rubber seal.The viscoelasticity of rubber includes creep and stress relaxation.Creep is
Finger is the increase of rubber deformation under constant external force；Stress relaxation be rubber in constant deformation, its stress drops over time
Low.
At present, adopt mechanical type high-temerature creep testing machine creep test more.The main object of this testing machine is black gold
Genus, non-ferrous metal and alloy material, the single function of realization, the model of action of test force are tensile creep, do not meet rubber
The common model of action of sealing member.Therefore develop one be directed to realize compression creep and stress relaxation under rubber elastomer high temperature
The device of both functions has great importance.
Content of the invention
For solving the above problems, this utility model provides a kind of rubber elastomer high-temerature creep that is used for test and stress relaxation
The device of test.
The technical solution of the utility model is：
For the device of the test of rubber elastomer high-temerature creep and stress relaxation test, including frame, described frame sets
There are temperature control part and stress loading portion, and described stress loading portion is located at the surface of temperature control part；
Described frame includes horizontally disposed base and is vertically set on the side plate of base both sides, described temperature control part bag
Include the high-temperature test chamber being fixed on base, in high-temperature test chamber, be provided with the fixture for clamping rubber elastomer；Described fixture
Including top board opposing upper and lower and lower platen, top board horizontally suspends in high-temperature test chamber by connecting rod, and lower platen is lived
Move and be arranged in high-temperature test chamber；
Described stress loading portion includes entablature and the sill being horizontally set between biside plate, and entablature is located at lower horizontal stroke
The top of beam, and entablature and sill be parallel to each other；The two ends of entablature are fixed on side plate, and the two ends of sill are passed through can
The carriage sliding up and down along side plate and positioning is fixed on side plate；
D-axis vertically runs through entablature, and the upper end end face of d-axis is fixed with the scale pan of level, conflicts in the lower end of d-axis
On the upper surface of sill；Pressure sensing for detecting sill pressure is fixed with the lower surface of sill
Device, and pressure transducer is connected with the connecting rod running through high-temperature test chamber case top；It is fixed with for detecting lower horizontal stroke on described side plate
The displacement transducer of the displacement of beam；
The rear of described frame is provided with the drive division driving sill to move up and down, and described drive division is included by ball screw
The ball wire bar pair forming with bearing, described bearing is arranged on base, and ball screw is meshed with bearing, and ball screw hangs down
Directly in base, ball screw and sill are detachably connected by fixing supporting plate, to drive sill to move up and down.
Further, one end of fixing supporting plate is set on ball screw by first straight line bearing, fixes the another of supporting plate
End is provided with the convex platform raising up, and described sill is fixed with location-plate, one end of location-plate be provided with downwardly projecting under
Boss, fixing supporting plate and location-plate are detachably connected by the fastening of convex platform and lower convex platform and dropout realization.
Further, it is provided with pressure-bearing platform in described high-temperature test chamber, the bottom of pressure-bearing platform passes through the bottom of high-temperature test chamber simultaneously
It is fixed on base, lower platen is arranged on pressure-bearing platform by spheroid, pressure-bearing platform upper surface is provided with lower peripheral surface groove, lower platen
Lower surface on be correspondingly provided with spherical groove, the latter half of spheroid is fixed in lower peripheral surface groove, the top half of spheroid
It is plugged in lower peripheral surface groove so that lower platen has the degree of freedom swinging in perpendicular around spheroid.
Further, carriage includes the chute being vertically arranged on side plate interior sides face and the cunning being arranged on entablature two ends
Block；The front end face of slide block is provided with plush copper, and plush copper is plugged in chute, and plush copper is provided with and can roll along the cell wall of chute both sides
Roller, the cell wall of chute both sides has slideway；The side of slide block has the first counterbore, the first counterbore has and opens with chute
The first through hole that mouth connects；Rotationally it is provided with push rod vertically, the side of push rod is the conical surface in first counterbore；First through hole
Inside it is provided with bearing pin, one end of bearing pin is conflicted on the side of push rod, and the other end extends in chute and conflicts on chute bottom land；
Conflicted in the bottom hole of the first counterbore by spring in the inner of push rod, the outer end of push rod is connected with the self-locking of driving push rod rotation
Nut, and self-locking nut exposes to slide block, in order to manual operation.
Further, the lower surface of described linear axis is spherical.
Further, it is provided with thermal insulation board between pressure transducer and connecting rod, and the cross section of thermal insulation board is more than pressure sensing
The cross section of device；Connecting rod, thermal insulation board and pressure transducer are bolted on sill.
Further, the upper end of described ball screw is provided with the handwheel driving ball screw to rotate, and bearing is pacified by bearing block
It is contained on base.
Further, displacement transducer is fixed on side plate by Y shape fixation clamp；One end of described Y shape fixation clamp has confession
The perforate that displacement transducer runs through, and perforate is provided with breach, the end of gap extension to Y shape fixation clamp；Displacement transducer leads to
Cross bolt to be clamped in perforate；The other end of Y shape fixation clamp is bolted on side plate.
Further, the detecting head of displacement transducer and the lower surface of sill are inconsistent.
The beneficial effects of the utility model are：
1. this utility model passes through pressure transducer, displacement transducer and connected external data display instrument
The compression strain process of the permanent load of monitor in real time rubber elastomer and the compression stress change procedure of constant displacement, sample
It is not required to take out, the fluctuating factor of impact data is less, and the data result obtaining is more accurate.
2. this utility model can pass through the ambient temperature of high-temperature test chamber adjusting sample, more can really simulate high temperature
The applying working condition of lower rubber elastomer.
3. the lower platen in this utility model is set on spheroid, and lower platen can automatically adjust so that top board and pushing
Plate parallel it is ensured that rubber elastomer uniform force.
4. the pressure transducer in this utility model and displacement transducer are arranged at outside high-temperature test chamber, need not resistance to height
The sensor of warm nature energy, can save experimental cost.
5. this utility model can be not only used for testing high-temerature creep and the stress relaxation characteristics of rubber elastomer, is equally applicable to
The high-temerature creep of other polymer and stress relaxation characteristics test.
Brief description
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is enlarged diagram at C in Fig. 1.
Fig. 3 is this utility model front view.
Fig. 4 is for A-A in Fig. 3 to cut-away view.
Fig. 5 is enlarged diagram at B in Fig. 4.
Fig. 6 is fixing support board structure schematic diagram.
Fig. 7 is the structural representation of Y shape fixation clamp.
Fig. 8 is top view of the present utility model
Fig. 9 is the structural representation of slide block
Figure 10 is the front view of slide block
Figure 11 be when slide block and chute coordinate along along Figure 10 A-A to sectional view
Figure 12 is the sectional view of the B-B direction along along Figure 10 when slide block is coordinated with chute
Specific embodiment
As illustrated, for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, including frame, described
Frame is provided with temperature control part and stress loading portion, and described stress loading portion is located at the surface of temperature control part；
Described frame includes horizontally disposed base 17 and the side plate 22 being vertically set on base 17 both sides, described temperature control
Portion processed includes the high-temperature test chamber 11 being fixed on base 17, is provided with the folder for clamping rubber elastomer in high-temperature test chamber 11
Tool；Described fixture includes top board 12 opposing upper and lower and lower platen 13, and top board 12 is horizontally suspended in high temperature by connecting rod 9
In proof box 11, lower platen 13 is movably arranged in high-temperature test chamber 11, and the gap between top board 12 and lower platen 13 is constituted
For placing the space of rubber elastomer.
Described stress loading portion includes the entablature 4 being horizontally set between biside plate 22 and sill 6, entablature 4
In the top of sill 6, and entablature 4 and sill 6 are parallel to each other；The two ends of sill 6 are fixed on can be along side plate about 22
On the carriage sliding and positioning, the two ends of entablature 4 are fixed on side plate 22, and the two ends of sill 6 are passed through can be along side plate
22 carriages sliding up and down and positioning are fixed on side plate 22；
D-axis 2 vertically runs through entablature, and entablature 4 is provided with second straight line bearing 2, and d-axis 2 runs through second straight line bearing 2
With entablature 4, second straight line bearing 2 carries flange, and flange is fixed on entablature 4 by dormant bolt；The upper end end of d-axis 2
The scale pan 1 of level is fixed with face, the lower end of d-axis 2 is inconsistent with the upper surface of sill 6；On the lower surface of sill 6
Be fixed with the pressure transducer 7 for detecting sill 6 pressure, and pressure transducer 7 with run through high-temperature test chamber 11
The connecting rod 9 on case top is connected；The displacement transducer 24 of the displacement for detecting sill 6 is fixed with side plate 22.
The rear of described frame is provided with the drive division driving sill 6 to move up and down, and described drive division is included by ball wire
Bar 28 and the ball wire bar pair of bearing 29 composition, described bearing 29 is arranged on base 17, and ball screw 28 is mutually nibbled with bearing 29
Close, and ball screw 28 is perpendicular to base 17, ball screw 28 and sill 6 pass through fixing supporting plate 26 and be detachably connected, with band
Dynamic sill 6 moves up and down；Angular contact ball bearing selected by bearing 29.
One end of fixing supporting plate 26 is set on ball screw 28 by first straight line bearing 27, fixes the another of supporting plate 26
End is provided with the convex platform 261 raising up, and described sill 6 is fixed with location-plate 5, and one end of location-plate 5 is provided with convex downwards
The lower convex platform 51 going out, fixing supporting plate 26 and location-plate 5 pass through convex platform 261 and the fastening of lower convex platform 51 and realization of threading off is detachable
Connect.
When ball screw 28 rotates forward, convex platform 261 is moved up and is interlocked with lower convex platform 51, and pushing tow lower convex platform
51, ball screw 28 drives sill 6 to move up by convex platform 261；When ball screw 28 rotates backward, convex platform
261 are moved down and are separated with lower convex platform 51, and scale pan 1, d-axis 2, sill 6, connecting rod 9, top board 12 all can be in weights
Move down in the presence of power；But sill 6 loses the support of fixing supporting plate 26, the weight loading in scale pan 1 can directly be made
On location-plate 5, and it is delivered on rubber elastomer by connecting rod, top board 12, realize loading test function.
It is provided with pressure-bearing platform 15, the bottom of pressure-bearing platform 15 passes through the bottom of high-temperature test chamber 11 simultaneously in described high-temperature test chamber 11
It is fixed on base 17, lower platen 13 is arranged on pressure-bearing platform 15 by spheroid 14, pressure-bearing platform 15 upper surface is provided with lower peripheral surface
Groove, the lower surface of lower platen 13 is correspondingly provided with spherical groove, and the latter half of spheroid 15 is fixed in lower peripheral surface groove,
The top half of spheroid 15 is plugged in lower peripheral surface groove so that lower platen 13 has oneself that swings in perpendicular around spheroid
By spending, when on lower platen 13, laying rubber elastomer is used for detecting, lower platen 13 can automatically adjust water according to stressing conditions
Pingdu is it is ensured that the stress equalization everywhere of rubber elastomer.
Carriage includes the chute 21 being vertically arranged on side plate 22 medial surface and the slide block being arranged on sill 6 two ends
19；The front end face of slide block 19 is provided with plush copper 191, and plush copper 191 is plugged in chute 21, and plush copper 191 be provided with can be along chute
The roller 192 that the cell wall of 21 both sides rolls, the cell wall of chute 21 both sides has slideway 211；The side of slide block 19 has first
Counterbore 195, the hole wall of the first counterbore 195 has the first through hole 193 connecting with chute 21 opening, and the first counterbore 195
Perpendicular with first through hole 193；Rotationally it is provided with push rod 194 vertically, the side of push rod 194 is cone in first counterbore 195
Face；It is provided with bearing pin 197, conflict on the side of push rod 194 in one end of bearing pin 197, the other end extends to cunning in first through hole 193
Groove 21 is interior and conflicts on chute bottom land 212；Conflicted in the bottom hole of the first counterbore 195 by spring 196 in the inner of push rod 194
On, the outer end of push rod 194 is connected with the self-locking nut 20 of driving push rod 194 rotation, self-locking nut 20 exposes to slide block 19, with
It is easy to manual operation.
(near one end of self-locking nut 20) diameter is gradually outward from inner (near one end of spring 196) for push rod 194
Increase so that when tightening self-locking nut 20 driving push rod 194 and moving inward, the side of push rod 194 can constantly extrude bearing pin 197 and support
Tightly on chute bottom land 212, until bearing pin 197, even at the cost of one's life in chute bottom land 212, leads to roller 192 cannot transport along slideway 211
OK, now sill 6 no longer moves, and plays position-limiting action, and carriage is in the lock state.When loosening self-locking nut 20,
Bearing pin 197 loses compressing, and roller 192 is in free state, can run along slideway 211, carriage is in loosening state.
The lower surface of described d-axis 2 is spherical so that d-axis 2 and entablature 4 are point contact, it is to avoid the appearance when loading
Cross component force.
It is provided with thermal insulation board 8, the cross section of described thermal insulation board 8 is more than pressure transducer between pressure transducer 7 and connecting rod 9
7 cross section, to strengthen effect of heat insulation；Connecting rod 9, thermal insulation board 8 and pressure transducer 7 are bolted on sill 6.
The upper end of described ball screw 28 is provided with the handwheel 25 driving ball screw 28 to rotate, and bearing 29 passes through bearing block 30
It is arranged on base 17.
Displacement transducer 24 is fixed on side plate 22 by Y shape fixation clamp 23；One end of described Y shape fixation clamp 23 has confession
The first perforate 231 that displacement transducer 24 runs through, and the first perforate 231 is provided with the first breach 233, the first breach 233 extends to Y
The end of shape fixation clamp 23, Y shape fixation clamp 23 finely tunes the size of the first perforate 231 by the first breach 233；Y shape fixation clamp
23 are provided with the first screw 232 extending vertically through the first breach 233, and displacement transducer 24 is clamped in the first perforate by bolt
In 231；The other end of Y shape fixation clamp 23 is bolted on side plate 22.
One end of fixing supporting plate 26 has the second perforate 262 running through for first straight line bearing 27, and the second perforate 262 sets
Have the second breach 263, the second breach 263 extends to the end of fixing supporting plate 26, fixing supporting plate 26 by the second breach 263
Finely tune the size of the second perforate 262；Fixing supporting plate 26 is provided with the second screw 264 extending vertically through the second breach 263, and first is straight
Bobbin is held 27 and is clamped in the second perforate 262 by bolt；Fixing supporting plate 26 other end is provided with convex platform 261.
The detecting head of displacement transducer 23 is inconsistent with the lower surface of sill 6, and displacement transducer 24 selects direct current differential
Transformer type LVDT displacement transducer.
The material selection politef of thermal insulation board 8；Connecting rod 9 adopts ceramic material, and connecting rod 9 upper and lower end face all has
Counterbore, connecting rod 9 upper end end face, thermal insulation board 8 and pressure transducer are interfixed by bolt, and high temperature is run through in connecting rod 9 lower end
It is connected with top board 12 by bolt behind 11 casees tops of proof box.
The two ends of sill 6 are connected with slide block by L-type support 18, L-type support 18 pass through bolt respectively with sill 6 and
Slide block 19 is fixing.
Uniform 4 the second counterbores of pressure-bearing platform 15 bottom surrounding, pressure-bearing platform 15 is bolted after running through high-temperature test chamber
On base 17.
The bottom of high-temperature test chamber 11 has the first installing hole passing through for pressure-bearing platform 15, and the case of high-temperature test chamber 11 backs down
There is the second installing hole hole passing through for connecting rod 9, be provided with the first heat-preservation cotton 16 between pressure-bearing platform 15 and high-temperature test chamber 11, connect
It is equipped with the second heat-preservation cotton 10, to reach sealing effect of heat insulation between bar 9 and high-temperature test chamber 11.
Temperature control part can be heated to rubber elastomer and temperature control, and has an inspection box outside high-temperature test chamber 11,
The state of rubber elastomer can be observed；Pressure suffered by rubber elastomer is measured by pressure transducer；By surveying
The change in displacement of amount sill 6 measures the strain of rubber elastomer indirectly.
The upper end of handwheel 25 and ball-screw 28 is fixed by flat key, the lower end of ball-screw 28 and angular contact ball bearing 29
Interference fit, angular contact ball bearing 29 is placed on bearing block 30, and bearing block 30 is bolted on base 17.Rotation handss
Wheel 25 can achieve the speed moving up and down and can control its loading in lower stress loading portion.
This utility model can be used for high temperature creep property test and the rubber elastomer high-temperature stress relaxation of rubber elastomer
Property performance test.
1st, high temperature creep property testing procedure is as follows：
Step 1：The self-locking nut 20 at loosening sill 6 two ends, makes carriage be in loosening state, that is, roller 192 can
Roll along slideway 211；
Step 2：Rotate forward handwheel 25, ball screw 28 is driven by fixing supporting plate 26, location-plate 5, connecting rod 9 and presses
Move on plate 12 so that upper and lower pressing plate separates；
Step 3：It is temperature required that the temperature of regulation high-temperature test chamber 11 makes the temperature inside the box reach, and held for some time；
Step 4：Open high-temperature test chamber 11, tested rubber elastomer test specimen is placed on lower platen 13, close high
Temperature test box 11 chamber door, treats that test specimen temperature is uniform；
Step 5：So that pressure transducer 7 is reset, reversely rotate handwheel 25, convex platform 261 moves down and departs from lower convex platform
51, sill 6, top board 12 all move down under gravity, stop when top board 12 is just contacted with test specimen
Rotation hand wheel 25；
Step 6：Displacement transducer resets 24, continues to reversely rotate handwheel 25, so that fixing supporting plate 26 is separated with sill 6；
Step 7：Counterweight is added on scale pan 1 to predetermined load；
Step 8：By displacement transducer 24 real time record test specimen under constant normal force and temperature action in time
Increased Normal Displacement change, the final croop property obtaining test specimen.
2nd, to realize step as follows for high-temperature stress relaxation performance test：
Step 1：The self-locking nut 20 at loosening sill 6 two ends, makes carriage be in loosening state, that is, roller 192 can
Roll along slideway 211；
Step 2：Rotate forward handwheel 25, make to move on to correct position on top board 12 it is ensured that upper and lower pressing plate separates；
Step 3：The temperature adjusting high-temperature test chamber 11 makes to reach temperature required, and held for some time in case；
Step 4：Open high-temperature test chamber 11 chamber door, tested rubber elastomer test specimen is put to lower platen 13, close
The chamber door of high-temperature test chamber 11, treats that test specimen temperature is uniform；
Step 5：Pressure transducer 7 resets；
Step 6：Reversely rotate handwheel 25, so that top board 12 is contacted with test specimen, continuing rotation hand wheel 25 makes fixing support
Plate 26 is separated with sill 6；
Step 7：Counterweight is added on scale pan 1 to predetermined load；
Step 8：Tighten self-locking nut 20 so that carriage is in the lock state, pass through to slide in sill 6 about two ends
Device is locked；
Step 9：Increased in time under constant compression amount and temperature action by pressure transducer 7 real time record test specimen
Plus normal stress change, the final stress relaxation ability obtaining test specimen.
Content described in this specification embodiment is only enumerating of the way of realization to utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also wraps
Include those skilled in the art according to this utility model design it is conceivable that equivalent technologies mean.
Claims (9)
1. be used for rubber elastomer high-temerature creep test and stress relaxation test device it is characterised in that：Including frame, described
Frame is provided with temperature control part and stress loading portion, and described stress loading portion is located at the surface of temperature control part；
Described frame includes horizontally disposed base and is vertically set on the side plate of base both sides, and described temperature control part includes solid
It is scheduled on the high-temperature test chamber on base, in high-temperature test chamber, be provided with the fixture for clamping rubber elastomer；Described fixture includes
Top board opposing upper and lower and lower platen, top board horizontally suspends in high-temperature test chamber by connecting rod, lower platen activity peace
It is contained in high-temperature test chamber；
Described stress loading portion includes entablature and the sill being horizontally set between biside plate, and entablature is located at sill
Top, and entablature and sill be parallel to each other；The two ends of entablature are fixed on side plate, and the two ends of sill are passed through can be along side
The carriage that plate slides up and down and positions is fixed on side plate；
D-axis vertically runs through entablature, and the upper end end face of d-axis is fixed with the scale pan of level, the lower end of d-axis conflict under
On the upper surface of crossbeam；Pressure transducer for detecting sill pressure is fixed with the lower surface of sill, and
Pressure transducer is connected with the connecting rod running through high-temperature test chamber case top；Position for detecting sill is fixed with described side plate
The displacement transducer moving；
The rear of described frame is provided with the drive division driving sill to move up and down, and described drive division is included by ball screw and axle
Hold the ball wire bar pair of composition, described bearing is arranged on base, and ball screw is meshed with bearing, and ball screw perpendicular to
Base, ball screw is detachably connected by fixing supporting plate with sill, to drive sill to move up and down.
2. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 1
It is：One end of fixing supporting plate is set on ball screw by first straight line bearing, and the other end of fixing supporting plate is provided with upwards
Raised convex platform, described sill is fixed with location-plate, and one end of location-plate is provided with downwardly projecting lower convex platform, fixing support
Plate and location-plate are detachably connected by the fastening of convex platform and lower convex platform and dropout realization.
3. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 2
It is：It is provided with pressure-bearing platform, the bottom of pressure-bearing platform passes through the bottom of high-temperature test chamber and is fixed on base in described high-temperature test chamber
On, lower platen is arranged on pressure-bearing platform by spheroid, and pressure-bearing platform upper surface is provided with lower peripheral surface groove, on the lower surface of lower platen
It is correspondingly provided with spherical groove, the latter half of spheroid is fixed in lower peripheral surface groove, and the top half of spheroid is plugged in lower ball
So that lower platen has the degree of freedom swinging in perpendicular around spheroid in the groove of face.
4. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 3
It is：Carriage includes the chute being vertically arranged on side plate interior sides face and the slide block being arranged on entablature two ends；Slide block
Front end face is provided with plush copper, and plush copper is plugged in chute, and plush copper is provided with the roller that can roll along the cell wall of chute both sides, sliding
Slideway is had on the cell wall of groove both sides；The side of slide block has the first counterbore, the first counterbore has and connects with chute opening
First through hole；Rotationally it is provided with push rod vertically, the side of push rod is the conical surface in first counterbore；It is provided with pin in first through hole
Axle, one end of bearing pin is conflicted on the side of push rod, and the other end extends in chute and conflicts on chute bottom land；Push rod interior
Conflicted in the bottom hole of the first counterbore by spring in end, the outer end of push rod is connected with the self-locking nut of driving push rod rotation, and
Self-locking nut exposes to slide block, in order to manual operation.
5. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 4
It is：The lower surface of described linear axis is spherical.
6. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 5
It is：It is provided with thermal insulation board between pressure transducer and connecting rod, and the cross section of thermal insulation board is more than the cross section of pressure transducer；
Connecting rod, thermal insulation board and pressure transducer are bolted on sill.
7. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 6
It is：The upper end of described ball screw is provided with the handwheel driving ball screw to rotate, and bearing is arranged on base by bearing block.
8. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 7
It is：Displacement transducer is fixed on side plate by Y shape fixation clamp；One end of described Y shape fixation clamp has and supplies displacement transducer
The perforate running through, and perforate is provided with breach, the end of gap extension to Y shape fixation clamp；Displacement transducer is clamped by bolt
In perforate；The other end of Y shape fixation clamp is bolted on side plate.
9. it is used for the device of the test of rubber elastomer high-temerature creep and stress relaxation test, its feature as claimed in claim 8
It is：The detecting head of displacement transducer is inconsistent with the lower surface of sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620856057.6U CN205981933U (en) | 2016-08-08 | 2016-08-08 | A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620856057.6U CN205981933U (en) | 2016-08-08 | 2016-08-08 | A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental |
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| CN205981933U true CN205981933U (en) | 2017-02-22 |
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| CN201620856057.6U Expired - Fee Related CN205981933U (en) | 2016-08-08 | 2016-08-08 | A device that is used for high temperature creep experiment of rubber elasticity body and stress relaxation experimental |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124337A (en) * | 2016-08-08 | 2016-11-16 | 浙江工业大学 | A kind of for the test of rubber elastomer high-temerature creep and the device of stress relaxation test |
| CN109211709A (en) * | 2018-09-06 | 2019-01-15 | 上海华龙测试仪器有限公司 | A kind of anti-fall device for the calibration of means of constant strain-tensile test machine |
| CN114062156A (en) * | 2021-11-15 | 2022-02-18 | 无锡威孚力达催化净化器有限责任公司 | Special device for verifying high-temperature fatigue performance of automobile rubber lifting lug |
| CN114216762A (en) * | 2021-10-18 | 2022-03-22 | 中国人民解放军国防科技大学 | Test device for testing long-term low-stress compression creep property of solid propellant |
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2016
- 2016-08-08 CN CN201620856057.6U patent/CN205981933U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124337A (en) * | 2016-08-08 | 2016-11-16 | 浙江工业大学 | A kind of for the test of rubber elastomer high-temerature creep and the device of stress relaxation test |
| CN106124337B (en) * | 2016-08-08 | 2023-03-31 | 浙江工业大学 | Device for high-temperature creep test and stress relaxation test of rubber elastomer |
| CN109211709A (en) * | 2018-09-06 | 2019-01-15 | 上海华龙测试仪器有限公司 | A kind of anti-fall device for the calibration of means of constant strain-tensile test machine |
| CN114216762A (en) * | 2021-10-18 | 2022-03-22 | 中国人民解放军国防科技大学 | Test device for testing long-term low-stress compression creep property of solid propellant |
| CN114216762B (en) * | 2021-10-18 | 2023-11-21 | 中国人民解放军国防科技大学 | Test device for testing long-term low-stress compression creep property of solid propellant |
| CN114062156A (en) * | 2021-11-15 | 2022-02-18 | 无锡威孚力达催化净化器有限责任公司 | Special device for verifying high-temperature fatigue performance of automobile rubber lifting lug |
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