CN103134727B - A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher - Google Patents
A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher Download PDFInfo
- Publication number
- CN103134727B CN103134727B CN201310050648.5A CN201310050648A CN103134727B CN 103134727 B CN103134727 B CN 103134727B CN 201310050648 A CN201310050648 A CN 201310050648A CN 103134727 B CN103134727 B CN 103134727B
- Authority
- CN
- China
- Prior art keywords
- fluid sealant
- cantilever
- stretcher
- base
- concrete block
- 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.)
- Active
Links
- 239000000565 sealant Substances 0.000 title claims abstract description 83
- 239000012530 fluid Substances 0.000 title claims abstract description 82
- 239000003292 glue Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 206010016256 fatigue Diseases 0.000 abstract description 17
- 208000016254 weariness Diseases 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 15
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012812 sealant material Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of fluid sealant stretcher, sealing glue stretcher comprises Cantilever, the first concrete block be combined on Cantilever, be connected to the positioning seat of Cantilever side and be positioned at the second concrete block of Cantilever opposite side, described Cantilever lower surface and the eccentric wheel point cantact below it, eccentric wheel is connected with motor.Present invention also offers a kind of fluid sealant fatigue experimental device, this device comprises fluid sealant stretcher of the present invention.Fluid sealant stretcher of the present invention and fluid sealant fatigue experimental device can simulate the condition of work of railroad track concrete surface truly, and can detect under this condition of work, the weariness working time of fluid sealant.
Description
Technical field
The present invention relates to and a kind ofly detect the fluid sealant stretcher of fluid sealant and comprise the fluid sealant fatigue experimental device of this stretcher, belong to fatigue experimental device field.
Background technology
Fluid sealant be inject or be filled in the construction joint of buildings or component, connecting sewing, movement joint and other need the position that connects, watertightness, impermeability and the jointing material that uses can be guaranteed.For preventing extraneous water from infiltrating roadbed inside, railroad track concrete surface seam need seal with fluid sealant.When train passes through, concrete surface meeting up-down vibration, thus drive the vibration of fluid sealant.And at cold district, due to concrete contraction, making seam become large, fluid sealant is in extended state, so in the winter time when train passes through, fluid sealant is the duty being in low temperature, stretching, vibration.Fluid sealant performance in such a state directly affects its serviceable life.
The existing method of testing to fluid sealant is many is all adhesive property under tested static condition, comprises elastic recovery rate, cohesiveness of composing oneself, adhesive property is tested after cold drawn-hot-drawn.The method of these inspection fluid sealant performances substantially all adopts GB/T13477-2002 " Test method for building sealants " to carry out.
Detecting possibility produced problem in a static condition to overcome, is disclose a kind of Electromagnetic Drive fatigue tester for testing adhesive stretch-proof cutting performance in the Chinese patent application of 200720169626.0 at application number.This testing machine comprises towed electromagnet, sensor, back-moving spring, universal joint timing instrument, framework and base composition.Sensor is installed on testing machine cruciform bracing, connects a back-moving spring under sensor, and lower spring end is cut test piece by universal joint and is connected with drawing, and draws the other end cutting test piece to be fixed on armature, framework is provided with stop, base is provided with arrangement for adjusting height.
Be in the Chinese patent application of 200910079753, disclose a kind of Piezoelectric Driving fatigue tester for adhesive structure detection fatigue lifetime at application number.This device utilizes scale can draw the length of crackle, by regulating sample stage height adjustment knob, and the lifting of energy Quality control platform, the image adjustment observed by camera is clear; By sample stage horizontal level adjusting knob, the position of sample to be tested all around can be changed, be convenient to camera observation crackle; Counter is connected with driving power, and driving power is connected with piezoelectric actuator by cable, and driving pulse quantity in record drive singal, is converted into fatigue and cyclic cycle.
Be disclose a kind of testing machine for evaluating cementing compound anti-torsion shearing performance in the Chinese patent application of 201010616795.0 at application number.This equipment comprises experimental system, loading system, temperature control system and detection system composition.
But the fatigue tester of these above tackifier can not solve railroad track concrete surface requires to investigate the adhesive property of fluid sealant under low temperature, stretching, vibrational state, can not meet the requirement of railway to sealant material permanance.
Summary of the invention
An object of the present invention is to provide a kind of fluid sealant stretcher, the stretched portion that this stretcher overcomes existing fluid sealant tester is difficult to detect the defect of fluid sealant at different temperatures, various amplitude, different vibration frequency and different stretch rate situation lower seal glue fatigue conditions.
Another object of the present invention is to provide a kind of fluid sealant fatigue experimental device comprising this stretcher, and this test unit can overcome the defect that existing test unit is difficult to change test temperature and test amplitude.
One aspect of the present invention provides a kind of fluid sealant stretcher, sealing glue stretcher comprises Cantilever, the first concrete block be combined on Cantilever, be connected to the positioning seat of Cantilever side and be positioned at the second concrete block of Cantilever opposite side, described Cantilever lower surface and the eccentric wheel point cantact below it, eccentric wheel is connected with motor.
Further, described Cantilever comprises "
" the first baffle plate above the first base of type and the first base, the first described concrete block is placed in the first base of Cantilever.
Further, be connected by pull bar between the first baffle plate and positioning seat.
Further, the second described concrete block is positioned on movable support seat, described movable support seat comprises "
" second baffle above the second base of type and the second base, and the lower surface of movable support seat is provided with the guide rail for this supporting seat easy motion.
Further, described motor is connected to the eccentric wheel below Cantilever by the driving wheel be connected with motor and the engaged wheel being connected to driving wheel, is connected, is connected by axle between engaged wheel and eccentric wheel between described driving wheel and engaged wheel by belt.
The present invention additionally provides a kind of fluid sealant fatigue experimental device on the other hand, and this device comprises chamber and the fluid sealant stretcher described in chamber inside.
Further, the surface level of chamber is furnished with the column and base that are vertically fixed on surface level, the positioning seat of fluid sealant stretcher is connected with base with column respectively with movable support seat.
Further, the temperature of described chamber is adjustable, and the temperature regulating range of chamber is-70 DEG C ~+50 DEG C.
Further, described device also comprises control device, and described control device comprises for the temperature controller of Control experiment case temperature, for controlling the motor by-pass cock of motor movement.
Further, described controller also comprises the timer be connected with motor.
Further, the column of Cantilever side is also arranged the travel switch being connected to motor.
Beneficial effect of the present invention is: the invention provides a kind of fluid sealant stretcher, and sealing glue stretcher is setting-up eccentricity wheel below Cantilever, and eccentric amplitude and vibration frequency can regulate.
Owing to forming certain stretching distance between two concrete blocks, so the extensibility of fluid sealant between two concrete blocks can be detected by slide calliper rule.
The temperature of chamber of the present invention can regulate, therefore, it is possible to simulate the working temperature of actual railroad track concrete surface.
Can be recorded out by control device is determining under condition of work, the weariness working time of the permanance of fluid sealant.Therefore fluid sealant stretcher of the present invention and fluid sealant fatigue experimental device can simulate the condition of work of railroad track concrete surface truly, and can detect under this condition of work, the working time of fluid sealant.
Accompanying drawing explanation
Fig. 1 represents the fluid sealant stretcher of the embodiment of the present invention 1.
Fig. 2 represents the Cantilever of the embodiment of the present invention 1, eccentric wheel, annexation between engaged wheel and driving wheel.
Fig. 3 is the working state figure of the embodiment of the present invention 1 fluid sealant fatigue experimental device.
Fig. 4 represents the fluid sealant stretcher of the embodiment of the present invention 2.
Embodiment
Following examples are only for explaining that the present invention is not used in restriction the present invention, and the amendment made in scope, restriction, distortion are all in protection scope of the present invention.
Embodiment 1
See Fig. 1, the fluid sealant stretcher 10 in fluid sealant fatigue test device of the present invention.
Described fluid sealant stretcher 10 comprises the first concrete block 104, first concrete block 104 in cube, is incorporated on Cantilever 105.
Be positioning seat 107 in the side of Cantilever 105, arrange movable support seat 102 at Cantilever 105 relative to the side of positioning seat 107.
Cantilever 105 comprise in "
" base 1051 of type, and the first baffle plate 1052 above base 1051.First concrete block 104 is placed in the base 1051 of Cantilever, and is fixed in Cantilever 105 by the first baffle plate 1052.One end of pull bar 1053 combines with base 1051, and the other end is attached to positioning seat 107.Have eccentric wheel 110 in the most sole arrangement of Cantilever 105, eccentric wheel 110 is connected with engaged wheel 120 by axle, and engaged wheel 120 is connected by the driving wheel of belt with whole fluid sealant stretcher outside, and driving wheel is connected to motor.
First concrete block 104 is incorporated on Cantilever 105.Pull bar 1053 is connected with positioning seat 107 by the bearing 106 through positioning seat 107, and can move relative to positioning seat 107.
Positioning seat 107 combines with the vertical column 108 being fixed on surface level.Column 108 below positioning seat 107 is provided with travel switch 109, by pressing the trip switch 109, can make the stop motion of whole fluid sealant stretcher 10.
Second concrete block 101 is incorporated on movable support seat 102, and the second concrete block 101 is adjacent with the first concrete block 104, and size is identical, and shape is identical.Movable support seat 102 comprises "
" second baffle 1022 that the second base 1021, second base 1021 of type and the second base 1021 cover.Second concrete block 101 is incorporated in the second base 1021 of movable support seat 102.
Arrange firm banking 103 below movable support seat 102, base 103 is for holding up movable support seat 102, and base 103 is stiff end 1031 towards the end of Cantilever 105, base 103 relative to one end of stiff end 1031 for being provided with handle 1032.
The lower surface of the horizontal base of base 103 is provided with the guide rail for this base 103 easy motion.
Driving wheel is arranged in outside whole fluid sealant stretcher 10, do not contact with Cantilever 105, engaged wheel 120, close to fluid sealant stretcher, is connected with driving wheel by belt, engaged wheel 120 is connected with eccentric wheel 110 by axle, and eccentric wheel 110 is incorporated into the lower surface of Cantilever 105.
Therefore, motor, by the rotation of driving wheel, makes engaged wheel 120 rotate, and engaged wheel 120 is with movable eccentric wheel 110 to rotate.Along with the rotation of eccentric wheel 110, Cantilever 105 carries out up-down vibration.The motor of the present embodiment is Frequency Adjustable motor, so under the drive of motor and eccentric wheel 110, the Oscillation Amplitude of the Cantilever 105 in the present invention can change within the scope of 0.2mm-5mm.Oscillation Amplitude can reach 0.2mm, 0.5mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm and 5.0mm.
See Fig. 2, Cantilever of the present invention, eccentric wheel, annexation between engaged wheel and driving wheel.Cantilever 105 arranged beneath eccentric wheel 110, eccentric wheel 110 is connected with engaged wheel 120 by axle 111, and engaged wheel 120 is connected to driving wheel 130 by belt 112.
See Fig. 3, the duty skeleton view of fluid sealant fatigue experimental device of the present invention.
Fluid sealant fatigue experimental device 20 comprises chamber 201, and the fluid sealant stretcher 10 of chamber 201 inside.The surface level of chamber 201 is placed fluid sealant stretcher 10, at the control device 30 of chamber 201 arranged beneath seal box stretcher 10, the panel 31 of control device 30 is arranged and motor by-pass cock 32, temperature regulation switch 33 and timer 34 respectively.By the slewing rate regulating motor by-pass cock 32 can regulate motor, thus regulate the vibration frequency of Cantilever 105.
The vibration frequency of Cantilever 105 can change within the scope of 5Hz-50Hz, and vibration frequency is respectively 5Hz, 10Hz, 15Hz, 20Hz, 25Hz, 30Hz, 35Hz, 40Hz, 45Hz and 50Hz.
At the motor that control device 30 internal placement drives driving wheel 130 to rotate.Also be provided with the temperature controller for Control experiment case 201 temperature in control device 30 inside, temperature controller is connected with temperature regulation switch 33.Timer 34 is connected with motor.
Fluid sealant stretcher 10 is placed on the surface level of chamber 201, and the surface level of chamber 201 is provided with the guide-track groove matched with the guide rail of base 103, thus reaches base 103 and drive movable support seat 102 easy motion.
Fluid sealant 140 to be tested is bonded with between first concrete block 104 and the second concrete block 101 of fluid sealant stretcher 10.One end of fluid sealant 140 bonds the first concrete block 104, and the other end of fluid sealant 140 bonds the second concrete block 101.By the handle 1032 of the base 103 below movable support seat 102, fluid sealant 140 is made to be stretched to the stretching distance of needs.After testing, the extensibility of fluid sealant 140 can reach 0%-150%.
Base 103 and column 108 are directly positioned on the surface level of chamber 201.Cantilever 105 does not directly contact with the surface level of chamber 201.Column 108 below the positioning seat 107 of Cantilever side is also furnished with travel switch 109, and travel switch 109 is connected with motor, and travel switch 109, when machine operation, does not contact with positioning seat 107; Only have the fluid sealant 140 when stretching to disconnect, Cantilever 105, bearing 106 and positioning seat 107 are subject to gravity and move downward, contacting travel switch 109, and motor cuts out by this switch.
In process of the test, first by working temperature that the temperature regulation switch 33 of the panel 31 of control device 30 makes the temperature of chamber 201 reach predetermined.The operating temperature range of the chamber in the present invention is-70 DEG C ~+50 DEG C.Then timer 34 is adjusted to predetermined test period.Then open motor by-pass cock 32, the driven by motor driving wheel 130 of control device 30 inside moves, and now timer 34 is started working, and constantly changes the time of timer display along with the time of machine operation.
Along with the continuous rotation of driving wheel 130, eccentric wheel 110 also constantly rotates below Cantilever 105.Cantilever 105 carries out not up-down vibration off and on along with the rotation of eccentric wheel 110, and is bonded in fluid sealant 140 between the first concrete block 104 and the second concrete block 101 also along with constantly up-down vibration.
Until fluid sealant 140 due to time of vibration long, at a time rupture suddenly, 1053 ends of Cantilever 105 are subject to gravity, move downward, column 108 upper stroke switch 109 of Cantilever side is pressed, the rotary electric machine stop motion of control device inside, timer 34 stop motion, now demonstrate on timer 34, the time of whole fluid sealant experience in this test.
Or fluid sealant 140 vibration number when reaching the number of times of regulation equipment can automatically stop.
Embodiment 2
The fluid sealant stretcher 50 of the present embodiment is similar with the fluid sealant stretcher 10 of embodiment 1.Unlike, be directly provided with the second concrete block 501, second concrete block 501 in the present embodiment in the side that Cantilever 505 is relative with positioning seat 507 and be placed on movable supporting frame 503.The height of the second concrete block 501 equals the overall height of Cantilever 505.And the side relative with the first concrete block 504 at movable supporting frame 503 is provided with handle 5032.Other parts of fluid sealant stretcher 50 are identical with the fluid sealant stretcher 10 of embodiment 1.
In testing process, directly one end of fluid sealant is bonded to the first concrete block 504, the other end is bonded to the second concrete block 501, by pulling handle 5032, the fluid sealant between first concrete block 504 and the second concrete block 501 is stretched to the stretching distance of needs.
Finally it should be noted that, above embodiment is only in order to describe technical scheme of the present invention instead of to limit this technical method, the present invention can extend in application other amendment, change, application and embodiment, and therefore think that all such amendments, change, application, embodiment are all in spirit of the present invention and teachings.
Claims (10)
1. a fluid sealant stretcher, is characterized in that:
Sealing glue stretcher comprises Cantilever, the first concrete block be combined on Cantilever, be connected to the positioning seat of Cantilever side and be positioned at the second concrete block of Cantilever opposite side, described Cantilever lower surface and the eccentric wheel point cantact below it, eccentric wheel is connected with motor;
Described second concrete block is positioned on movable support seat, makes by the fluid sealant of mobile described movable support seat stretched bonded between described first concrete block and described second concrete block; And
Described Cantilever comprises the first base, described first concrete block is placed in described first base of described Cantilever, connected by pull bar between described first base and described positioning seat, and described pull bar can move relative to described positioning seat on the direction perpendicular to fluid sealant draw direction.
2. fluid sealant stretcher according to claim 1, is characterized in that, described first base is
type, described Cantilever also comprises the first baffle plate above the first base.
3. fluid sealant stretcher according to claim 1, is characterized in that, described movable support seat comprises
second baffle above second base of type and the second base, and the lower surface of movable support seat is provided with the guide rail for this supporting seat easy motion.
4. fluid sealant stretcher according to claim 1, it is characterized in that, described motor is connected to the eccentric wheel below Cantilever by the driving wheel be connected with motor and the engaged wheel being connected to driving wheel, is connected, is connected by axle between engaged wheel and eccentric wheel between described driving wheel and engaged wheel by belt.
5. a fluid sealant fatigue experimental device, is characterized in that, this device comprises the fluid sealant stretcher according to any one of claim 1-4 of chamber and chamber inside.
6. fluid sealant fatigue experimental device according to claim 5, is characterized in that, the surface level of chamber is furnished with the column and base that are vertically fixed on surface level, and the positioning seat of fluid sealant stretcher is connected with base with column respectively with movable support seat.
7. fluid sealant fatigue experimental device according to claim 5, is characterized in that, the temperature of described chamber is adjustable, and the temperature regulating range of chamber is-70 DEG C ~+50 DEG C.
8. fluid sealant fatigue experimental device according to claim 5, is characterized in that, described device also comprises control device, and described control device comprises for the temperature controller of Control experiment case temperature, for controlling the motor by-pass cock of motor movement.
9. fluid sealant fatigue experimental device according to claim 8, is characterized in that, described control device also comprises the timer be connected with motor.
10. fluid sealant fatigue experimental device according to claim 5, is characterized in that, the column of Cantilever side also arranges the travel switch being connected to motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050648.5A CN103134727B (en) | 2013-02-07 | 2013-02-07 | A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050648.5A CN103134727B (en) | 2013-02-07 | 2013-02-07 | A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103134727A CN103134727A (en) | 2013-06-05 |
| CN103134727B true CN103134727B (en) | 2015-08-26 |
Family
ID=48494843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310050648.5A Active CN103134727B (en) | 2013-02-07 | 2013-02-07 | A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103134727B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037027A (en) * | 2017-12-19 | 2018-05-15 | 江苏省建筑工程质量检测中心有限公司 | A kind of detection device and detection method to assembled architecture fluid sealant durability |
| CN109030247B (en) * | 2018-06-12 | 2024-03-15 | 临沂市旭展化工有限公司 | Sealant fatigue test device |
| CN112945749B (en) * | 2021-01-19 | 2023-07-14 | 宁波凯驰胶带有限公司 | Life test device of oil-resistant synchronous belt |
| CN113049421B (en) * | 2021-02-09 | 2022-11-22 | 中冶建筑研究总院有限公司 | Building sealant fatigue resistance testing device and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781347Y (en) * | 2005-04-11 | 2006-05-17 | 周平钢 | Spring fatigue testing machine |
| CN200986505Y (en) * | 2006-12-12 | 2007-12-05 | 深圳市新三思材料检测有限公司 | Multi-shaft split control multifunctional test machine |
| CN101625296A (en) * | 2009-08-06 | 2010-01-13 | 孙仙山 | Multifunctional material mechanics testing machine with functions of tension torsion and pressure torsion |
| CN201653826U (en) * | 2010-04-09 | 2010-11-24 | 长春机械科学研究院有限公司 | Device for two-way tensile creep test of sealant |
| CN201867343U (en) * | 2010-12-01 | 2011-06-15 | 郑州中原应用技术研究开发有限公司 | Device for testing creep resistance of sealant |
-
2013
- 2013-02-07 CN CN201310050648.5A patent/CN103134727B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781347Y (en) * | 2005-04-11 | 2006-05-17 | 周平钢 | Spring fatigue testing machine |
| CN200986505Y (en) * | 2006-12-12 | 2007-12-05 | 深圳市新三思材料检测有限公司 | Multi-shaft split control multifunctional test machine |
| CN101625296A (en) * | 2009-08-06 | 2010-01-13 | 孙仙山 | Multifunctional material mechanics testing machine with functions of tension torsion and pressure torsion |
| CN201653826U (en) * | 2010-04-09 | 2010-11-24 | 长春机械科学研究院有限公司 | Device for two-way tensile creep test of sealant |
| CN201867343U (en) * | 2010-12-01 | 2011-06-15 | 郑州中原应用技术研究开发有限公司 | Device for testing creep resistance of sealant |
Non-Patent Citations (2)
| Title |
|---|
| 刘杰胜.高性能伸缩缝密封材料的制备、性能及应用研究.《中国博士学位论文全文数据库》.2010, * |
| 曾德良.小型平板弯曲疲劳试验机的研制.《中国优秀硕士学位论文全文数据库》.2007, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103134727A (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103134727B (en) | A kind of fluid sealant stretcher and comprise the fluid sealant fatigue experimental device of this stretcher | |
| CN102645401B (en) | Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures | |
| CN102519867B (en) | Direct-acting soft friction testing apparatus | |
| CN102109445B (en) | Multi-direction heavy load frictional wear test method | |
| CN102914475B (en) | Shear test device for observing mechanical property of interface between underwater soil and structure | |
| CN202533340U (en) | Vertical reciprocating pipe rod abrasion test device | |
| CN102262026B (en) | Friction tester for sealing strip flock | |
| CN202110101U (en) | Corrugated pipe service life tester | |
| CN203011683U (en) | Multifunctional switch service lifetime testing machine | |
| CN105067435A (en) | Soil in-suit boring shearing testing device | |
| CN203758496U (en) | Portable deformation monitoring device of reinforcing rib and top plate connector of steel bridge deck plate | |
| CN203069464U (en) | Sealant stretcher and sealant fatigue test device including same | |
| CN109444013A (en) | A kind of pavement seepage dynamic test equipment and its test method | |
| CN204903300U (en) | Testing arrangement is cuted in drilling of soil body normal position | |
| CN107328667B (en) | Environment box with load-environment coupling effect | |
| CN213275197U (en) | Ductility testing arrangement of SBS modified asphalt waterproofing membrane | |
| CN203101249U (en) | Device for testing friction coefficient between fabric and skin | |
| CN209589026U (en) | Flatness checking device is used in a kind of production of timing cover | |
| CN203606067U (en) | Force sensor detection support | |
| CN104833589A (en) | Low-temperature compression set test machine | |
| CN202735033U (en) | Water supply pipe material connection seal test equipment | |
| CN204094667U (en) | Air filter test fixture | |
| CN105004533B (en) | Automobile window-lifting guide rail testing machine | |
| CN112284929B (en) | Multifunctional multi-direction rock shearing-seepage-temperature multi-field coupling test method | |
| CN205617449U (en) | Vertical loading device for simulating pile sinking process of static pressure pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING RAILWELD CO., LTD. CHINA ACADEMY OF RAILWA Effective date: 20150327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150327 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant after: Railway Scientific Research Academy Metal And Chemical Research Institute Applicant after: Beijing China Academy of Railway Science New Material & Technology Co., Ltd. Applicant after: China Academy of Railway Sciences Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant before: Railway Scientific Research Academy Metal And Chemical Research Institute |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |