CN206804247U - A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement - Google Patents
A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement Download PDFInfo
- Publication number
- CN206804247U CN206804247U CN201720311665.3U CN201720311665U CN206804247U CN 206804247 U CN206804247 U CN 206804247U CN 201720311665 U CN201720311665 U CN 201720311665U CN 206804247 U CN206804247 U CN 206804247U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- horizontal
- bridge pad
- accuracy measurement
- dynamic high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement, belong to bridge pad test machine technical field, the system includes base, main frame mechanical part, horizontal shear part, Plumb load part, corner loading section, observing and controlling part and hydraulic part, the horizontal shear part, Plumb load part, corner loading section is installed in main frame mechanical part and forms loading main body, the utility model solves the shear modulus of bridge pad sample workpiece, the test of the mechanical property such as the accurate measurement of corner performance and vertical compression and residual deformation, realize the automatic control of measuring system, the high effect of control accuracy.
Description
Technical field
High-speed railway bridge technical field of buildings is the utility model is related to, is surveyed in particular to a kind of Dynamic High-accuracy
The 120MN bridge pad test machines of amount.
Background technology
In order to save increasingly rare soil, in recent years, the construction interface height of high-speed railway, increasingly become altogether
Know, if Beijing-Shanghai High-Speed Railway bridge the line is busy road overall length is up to more than 80%, bridge pad is set up on pier, top surface supporting bridge
The device of superstructure, its function are that superstructure is fixed on into pier, bear to act on the various power of superstructure, and by it
Reliably it is transmitted to pier；In the presence of various external force, bearing adapts to corner and the displacement of superstructure, makes superstructure can
Free Transform is without producing extra additional internal force；Bridge pad is an important component of bridge structure, when bearing loses
During effect, it will cause bridge structure global failure；If bridge pad selection it is improper, or design it is unreasonable, its consequence be
Structural damage is caused in bridge top or bottom, with the development of modern society, the large-scale and application of large-scale bridges beam support
It is more and more, and prior art can not meet the mechanics properties testing requirement of large heavy girder bearing.The country is currently used for
When bridge pad carries out coefficient of rigidity test, horizontal cylinder connector is directly to fix to connect with the piston rod of cross cylinder
Connect, it is necessary to which cross cylinder regulation is arrived into accurate height and position in actual mechanical process, the coefficient of rigidity could be carried out
Measurement, complex operation, causes the DATA REASONING efficiency of bridge pad low；And when carrying out corner test, existing bridge branch
Seat measuring machine is to push directly on bearing beam using the piston rod of hydraulic cylinder, and the stress of the method is more direct, is not easy horizontal to carrying
Beam produces stable active force, influences final corner test measured value accuracy.
Utility model content
The purpose of this utility model is to provide a kind of 120MN bridge pads test machine of Dynamic High-accuracy measurement to reach
Quick connection between loading plate and measurement apparatus, provide stabilising force to corner test, there is provided bridge pad shearing elasticity
The purpose of the measurement efficiency of modulus, corner test and vertical compression test, solves existing bridge pad measuring machine to bridge
The coefficient of rigidity of bearing, corner test and vertical compression test measurement efficiency is low and the inspection of Large-scale Railway bridge pad
The problem of survey.
To realize the utility model purpose, the technical scheme used for：A kind of 120MN bridge branch of Dynamic High-accuracy measurement
Test seat, it is characterised in that the system include base, main frame mechanical part, horizontal shear part, Plumb load part, turn
Angle loading section and observing and controlling part, wherein：
The horizontal shear part, Plumb load part, corner loading section, which are installed in main frame mechanical part and formed, to be added
Main body is carried, the Plumb load part includes sliding the central sill set along base vertical direction and is fixed on main frame mechanical part
Multiple vertical hydraulic cylinders at end, multiple vertical hydraulic cylinders provide central sill vertical direction loading；The horizontal shear part includes
Positioned at the horizontal cylinder connector in main frame mechanical part horizontal direction and its lifting vertically slided is driven to follow
Device, horizontal cylinder connector are provided with the cross cylinder for providing it horizontal addload；The corner loading section turns lever including top,
The end that top turns lever is hinged with base, and the lower section that top turns lever turns hydraulic cylinder provided with the top for driving it to rotate；The central sill with
Bogey is additionally provided between the end face of main frame mechanical part, one end and the horizontal cylinder connector of bogey pass through fastening device
Connection, the other end turn lever with top and are in contact；The observing and controlling part respectively with horizontal shear part, Plumb load part and turn
Angle loading section electrical connection.
Further, the observing and controlling part includes control microcomputer, servo controller, displacement transducer, force snesor, described
Displacement transducer and force snesor electrically connect with control microcomputer, and control microcomputer electrically connects with servo controller, servo controller
Electrically connected respectively with cross cylinder, vertical hydraulic cylinder and corner hydraulic cylinder.
Further, the cross cylinder, lifting following device, top turn on the relevant position of hydraulic cylinder and master cylinder
Provided with displacement transducer；The master cylinder, cross cylinder, hoist cylinder are also associated with the force snesor for testing loading force.
Further, the bogey include install successively upper bracket bottom plate, rubber bottom plate, anti-attrition layer, on
Pendulum and horizontal cylinder connector；Strain gauge pressure sensor is pasted with the face of cylinder of the rubber bottom plate.
Further, the fastening device includes U-shaped contiguous block, and the end of the horizontal cylinder connector and bearing beam is equal
Provided with the through hole mutually assembled with U-shaped contiguous block end.
Further, the horizontal shear part also includes lifting platform support, and lifting platform support is fixed with cross cylinder to be connected
Connect, the both ends of the lifting platform support are fixedly connected with guide plate, are formed and horizontal cylinder connector end phase between guide plate
The chute matched somebody with somebody；The piston rod of the cross cylinder is fixedly connected with the end of horizontal cylinder connector.
Further, the lifting following device includes workbench and vertical sliding sets slip on the table to justify
Cylinder, one end of the sliding cylinder are fixedly connected with the bottom of lifting platform support, and the other end is fixedly connected with hoist cylinder.
Further, the top turns hydraulic cylinder and is fixed on the vertical direction of base, and top turns the piston rod end of hydraulic cylinder
Below the middle part for turning lever positioned at top.
Further, the vertical hydraulic cylinder is provided with three and is connected with electrohydraulic servo valve, is used between vertical hydraulic cylinder
Multi-cylinder parallel technology.
Had the following advantages that using the utility model：
1. the bearing beam both sides of the application are placed with bridge pad sample, when bridge pad test machine tries bridge pad
Sample compresses, and is adjusted horizontal cylinder connector to the position alignd with bearing beam by lifting following device, assembles U between the two
Type contiguous block, the transmission of the horizontal force between bearing beam and horizontal cylinder connector is realized, but can be the one of vertical direction
It is movable in scope to determine, and whole device is simple to operate, and the change of bearing beam will not be caused relative to existing highway bridge branch test seat
Shape；
2. the application turns the stretching of hydraulic cylinder to drive top to turn lever when measuring the corner test of bridge pad, by top
Rotation, top turn lever end promote bearing beam end, realize in axle of the bearing beam along two bridge pad samples
Point produces rotation for the center of circle, so as to obtain the corner performance of bridge pad sample, relative to the corner of existing pressure testing machine
Experiment is more stable, is hardly damaged the support bar for corner test；
3. the displacement transducer and force snesor of the application are carrying out vertical compression test, hydraulic test and corner test
When, can the corresponding test data of automatic data collection, and feed data back to central processing unit and analyzed and calculated, so as to
Obtain the mechanical properties such as vertical compression and the residual deformation of bridge pad, shear modulus and corner performance；
4. providing experiment loading force source by using the hydraulic system of large-tonnage, controlled using automated procedures, using certainly
Dynamicization inspection software, the deformation and power pressed, cut, turned can be tested simultaneously, and adjust automatically compensates vertical test force, effectively
Improve the standard to detection when loading or corner test loading；
5. the bridge pad testing machine loading force value of the application is larger, quality control for large heavy girder bearing and its
The degree of the quality control of finished product mechanical property is preferable, and detection device and detection means can realize 120MN bearing capacities compared with horn of plenty
Bridge pad test, its mechanical property quality can by experiment be able to efficiency test.
Brief description of the drawings
Fig. 1 is that a kind of structure of the 120MN bridge pad test machines of Dynamic High-accuracy measurement provided by the utility model is shown
It is intended to；
Fig. 2 is a kind of connection knot of the 120MN bridge pad test machines of Dynamic High-accuracy measurement provided by the utility model
Structure schematic diagram；
Fig. 3 is a kind of connection knot of the 120MN bridge pad test machines of Dynamic High-accuracy measurement provided by the utility model
Structure top view；
Fig. 4 is a kind of level oil of the 120MN bridge pad test machines of Dynamic High-accuracy measurement provided by the utility model
Cylinder structure schematic diagram；
Fig. 5 is that a kind of part of the 120MN bridge pad test machines of Dynamic High-accuracy measurement provided by the utility model is put
Big figure.
Reference：1 it is master cylinder, 2 be displacement transducer, 3 be upper beam, 4 be column, 5 be central sill, 6 is upper bracket bottom
Plate, 7 be rubber bottom plate, 8 be anti-attrition layer, 9 be upper pendulum, 10 be shear plate, 11 be fastening device, 12 be horizontal cylinder connector, 13
It is pull pressure sensor for lifting platform support, 14,15 be cross cylinder, 16 be work top, 17 be heave sensor, 18 is liter
Drop oil cylinder, 19 be base, 20 be change piece pressure sensor, 21 into top turn cylinder displacement transducer, 22 be top turn lever, 23 be work
Platform, 24 be top turn hydraulic cylinder, 25 be sliding cylinder, 26 be displacement test system, 27 be mechanics test system, 28 be computer,
29 it is hydraulic system, 30 be connecting plate, 31 be through hole, 32 be support frame, 33 be guide plate, 34 is guide groove.
Embodiment
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 illustrate a kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement, its
It is characterised by, the system includes workbench, main frame mechanical part, horizontal shear part, Plumb load part, corner loading unit
Point, observing and controlling part and hydraulic part, wherein：
The horizontal shear part, Plumb load part, corner loading section, which are installed in main frame mechanical part and formed, to be added
Main body is carried, the Plumb load part includes sliding the central sill set along the vertical direction of base 19 and is fixed on main frame mechanical part
Multiple vertical hydraulic cylinders 1 of upper end, multiple vertical hydraulic cylinders 1 provide central sill 5 vertical direction loading；The horizontal shear part
Including positioned at the horizontal cylinder connector 12 in main frame mechanical part horizontal direction and the liter for driving it vertically to slide
Following device drops, and horizontal cylinder connector 12 is provided with the cross cylinder 15 for providing it horizontal addload；The corner loading unit subpackage
Include top and turn lever 22, the end that top turns lever 22 is be hinged with base 19, pushes up the lower section for turning lever 22 provided with the top for driving it to rotate
Turn hydraulic cylinder 24；Bogey, one end of bogey and water are additionally provided between the end face of the central sill 5 and main frame mechanical part
Flat cylinder connector 12 is connected by fastening device 11, and the other end turns lever 22 with top and is in contact；The observing and controlling part respectively with
Horizontal shear part, Plumb load part and the electrical connection of corner loading section.
Wherein, the horizontal cylinder connector 12 includes connecting plate 30, and the end of connecting plate 30 is provided with and cross cylinder 15
Guide groove 34 that piston rod matches and stop screw is provided between piston rod and guide groove 34, connecting plate 30 and cross cylinder 15
The corresponding position of piston rod be provided with screwed hole, stop screw is assemblied in the inside of screwed hole, and stop screw is by piston rod
It is connected on connecting plate 30, realizes the effect transmission of lateral displacement.
Cross cylinder 15 is fixedly connected on support frame 32, and the both ends of support frame as described above 32 are fixedly connected with guide plate 33,
The chute to match with the end of connecting plate 30 is formed between guide plate 33, the end of connecting plate 33 is in contact with the inwall of chute；
The piston rod of the cross cylinder 15 is fixedly connected with the end of connecting plate 30.
And master cylinder 1 is arranged on upper beam 3；Small mistake be present not in same plane with cross cylinder 15 when shear plate 10
When poor, due to being connected with U-shaped contiguous block 11, progress working properly will not affect that；Top turns contact of the lever 22 with shear plate 10
Point, turn oil cylinder 24 with the contact point of shear plate 10 closer to bearing than top, reduce the deformation of shear plate 10 to test result
Influence；Top turns cylinder displacement transducer 21 and turns lever 22 with top to be connected, and can directly measure the displacement pushed up and turn lever.
The observing and controlling part includes control microcomputer, servo controller, displacement transducer, force snesor, the displacement sensing
Device and force snesor electrically connects with control microcomputer, control microcomputer to be electrically connected with servo controller, servo controller respectively with water
Flat oil cylinder 15, vertical hydraulic cylinder 1 and corner hydraulic cylinder 24 electrically connect；Computer control software and analysis software are that automation is surveyed
The core of examination, for control section, there is a touch-screen, parameter setting, flow setting, under the auxiliary that displacement measurement and power measure,
It can be tested by Row control is subscribed.
The cross cylinder 15, lifting following device, top turn to be equipped with the relevant position of hydraulic cylinder 24 and master cylinder 1
Displacement transducer；The master cylinder 1, cross cylinder 15, hoist cylinder 18 are also connected with the force snesor for testing loading force；Institute
State and displacement transducer 2 is connected between upper beam 3 and central sill 5；Lifting is connected between the lifting platform support 13 and base 19 to pass
Sensor 17；The cross cylinder 15 is provided with pull pressure sensor 14；The top turns to be connected with top between lever 22 and base 19
Turn cylinder displacement transducer 21.
The bogey includes upper bracket bottom plate 6, rubber bottom plate 7, anti-attrition layer 8, upper pendulum 9 and the shear plate installed successively
12；Strain gauge pressure sensor 20 is pasted with the face of cylinder of the rubber bottom plate 7；Strain gauge pressure sensor 20 is attached to rubber
On the face of cylinder of bottom plate 7, stress and the deformation of rubber are measured, by digital processing, reflects stress and deformation state in real time, is structure
Into the pith of dynamic measurement system.
The fastening device 11 includes U-shaped contiguous block, and the end of the horizontal cylinder connector 12 and shear plate 10 is equipped with
The through hole mutually assembled with U-shaped contiguous block end.
The horizontal shear part also includes lifting platform support 13, and lifting platform support 13 is fixedly connected with cross cylinder 15,
The both ends of the lifting platform support 13 are fixedly connected with guide plate, are formed and the end phase of horizontal cylinder connector 12 between guide plate
The chute matched somebody with somebody；The piston rod of the cross cylinder 15 is fixedly connected with the end of horizontal cylinder connector 12.
The lifting following device is arranged on the sliding cylinder on work top 16 including work top 16 and vertical sliding
25, one end of the sliding cylinder 25 is fixedly connected with the bottom of lifting platform support 13, and the other end is fixedly connected with hoist cylinder
18.Lifting platform support 13 is fixed on sliding cylinder 25, aids in other four leads, lifting platform is promoted by hoist cylinder 18
Support 13 moves up and down, and follows the deformation of bridge support, makes cross cylinder 15 and shear plate 10 in same level.
The top turns hydraulic cylinder 24 and is fixed on the vertical direction of workbench 23, and top turns the tailpiece of the piston rod position of hydraulic cylinder 24
Below the middle part that top turns lever 22.
The vertical hydraulic cylinder 1 is provided with three and is connected with electrohydraulic servo valve 24, using more between multiple vertical hydraulic cylinders
Cylinder parallel technology；Electrohydraulic servo valve 24 has the advantages that dynamic response is fast, control accuracy is high, service life is long, can be stable
Controlled level, vertically, the comprehensive test of corner, then pass through force snesor automatic data collection test data.
Displacement test system 26 includes grating, electronic ruler realizes position control function；
Mechanics test system 27 includes strain transducer, hydraulic pressure sensor；
Computer 28 includes band touch-screen, printer with operation, control, counts, analysis, the function such as picture；
Hydraulic system 29 includes pumping plant, electrical control cabinet provides pressure.
Specific testing procedure is as follows：
During vertical compression test, hydraulic power source is provided by the main oil pump in hydraulic system, declines master cylinder, promotes central sill 5
Slided on column 4, sample is put into workbench, a vertical load is applied with to sample, further, by
The grating displacement sensor 2 of beam 5 measures the vertical compressive deformation of sample under various finder charges, can pass through test software meter
Calculate the mechanics parameters such as the vertical compression for obtaining sample and residual deformation；
During hydraulic test, previous step after certain vertical load is being applied with to sample, is kept such as vertical experiment
Load is constant, then provides power source by cross cylinder 15, applies level to horizontal cylinder connector 12 to test force, drives horizontal cylinder to connect
Connecing device 12 drives shear plate 10 to form a horizontal load to sample；Further, cross cylinder 15 is connected with pressure sensing
Device 14 and force snesor, when the resistance that shear plate 10 drives thrust caused by sample to be more than between sample and shear plate 10, power
Sensor promotes sample to produce the horizontal force of displacement moment by recording level cylinder connector 12, obtains the first of bridge pad sample
Beginning coefficient of friction, repeat the above steps for several times, the friction performance of sample can be obtained, this step can also be used as common board-like rubber branch
Seat coefficient of rigidity test, unlike software by deformation data at different levels under acquisition and recording hierarchical loading, so as to obtain sample
Shear modulus；
During corner test, previous step after certain vertical load is being applied with to sample, is kept such as vertical experiment
Load is constant, then turns oil cylinder 24 by top and top is turned lever 22 and applies test force, drives top to turn the one end of lever 22 to shear plate 10
Apply a upward power so that shear plate 10 produces to be placed on the opposite on two sample axis midpoints in bogey as the center of circle
Rotate；Further, top turns the connection force sensor of oil cylinder 24, and corresponding power corner test data can be recorded by force snesor,
Top turns cylinder displacement transducer 21 and turns lever 22 with top to be connected, and the displacement that top turns lever can be directly measured, so as to be able to detection bridge
The corner performance of beam support sample.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (9)
1. a kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement, it is characterised in that including base, main frame Machinery Ministry
Point, horizontal shear part, Plumb load part, corner loading section and observing and controlling part, wherein：
The horizontal shear part, Plumb load part, corner loading section are installed in main frame mechanical part and form loading master
Body, the Plumb load part include sliding the central sill set along base vertical direction and are fixed on main frame mechanical part upper end
Multiple vertical hydraulic cylinders, multiple vertical hydraulic cylinders provide vertical direction loading force to central sill；The horizontal shear part includes position
In the horizontal cylinder connector in main frame mechanical part horizontal direction and its lifting vertically slided is driven to follow dress
Put, horizontal cylinder connector is provided with the cross cylinder for providing it horizontal loading forces；The corner loading section turns lever including top,
The end that top turns lever is hinged with base, and the lower section that top turns lever turns hydraulic cylinder provided with the top for driving it to rotate；The central sill with
Bogey is additionally provided between the end face of main frame mechanical part, one end and the horizontal cylinder connector of bogey pass through fastening device
Connection, the other end turn lever with top and are in contact；The observing and controlling part respectively with horizontal shear part, Plumb load part and turn
Angle loading section electrical connection.
2. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Observing and controlling part includes control microcomputer, servo controller, displacement transducer, force snesor, institute's displacement sensors and force snesor
With control microcomputer electrically connect, control microcomputer electrically connected with servo controller, servo controller respectively with cross cylinder, vertical liquid
Cylinder pressure and the electrical connection of corner hydraulic cylinder.
3. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Cross cylinder, lifting following device, top turn to be equipped with displacement transducer on the relevant position of hydraulic cylinder and master cylinder；The master
Oil cylinder, cross cylinder, hoist cylinder are also associated with the force snesor for testing loading force.
4. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Bogey includes upper bracket bottom plate, rubber bottom plate, anti-attrition layer, upper pendulum and the horizontal cylinder connector installed successively；The rubber
Strain gauge pressure sensor is pasted with the face of cylinder of bottom plate.
5. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Fastening device includes U-shaped contiguous block；The end of the horizontal cylinder connector and shear plate is equipped with mutually to be filled with U-shaped contiguous block end
The through hole matched somebody with somebody.
6. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Horizontal shear part also includes lifting platform support, and lifting platform support is fixedly connected with cross cylinder, and the two of the lifting platform support
End is fixedly connected with guide plate, and the chute to match with horizontal cylinder connector end is formed between guide plate；The cross cylinder
Piston rod be fixedly connected with the end of horizontal cylinder connector.
7. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Lift following device and include workbench and vertical sliding and sliding cylinder on the table is set, one end of the sliding cylinder with
The bottom of lifting platform support is fixedly connected, and the other end is fixedly connected with hoist cylinder.
8. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Top turns hydraulic cylinder and is fixed on the vertical direction of base, under the middle part that the piston rod end that top turns hydraulic cylinder turns lever positioned at top
Side.
9. the 120MN bridge pad test machines of Dynamic High-accuracy measurement according to claim 1, it is characterised in that described
Vertical hydraulic cylinder is provided with three and is connected with electrohydraulic servo valve, and multi-cylinder parallel technology is used between vertical hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311665.3U CN206804247U (en) | 2017-03-28 | 2017-03-28 | A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311665.3U CN206804247U (en) | 2017-03-28 | 2017-03-28 | A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804247U true CN206804247U (en) | 2017-12-26 |
Family
ID=60730916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311665.3U Expired - Fee Related CN206804247U (en) | 2017-03-28 | 2017-03-28 | A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082091A (en) * | 2019-05-28 | 2019-08-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of manned underwater vehicle deployable and collapsible sits the experimental rig of lower supporter |
-
2017
- 2017-03-28 CN CN201720311665.3U patent/CN206804247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082091A (en) * | 2019-05-28 | 2019-08-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of manned underwater vehicle deployable and collapsible sits the experimental rig of lower supporter |
| CN110082091B (en) * | 2019-05-28 | 2020-10-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Testing device for retractable type base support of manned submersible |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2903965Y (en) | Microcomputer controlled electrohydraulic servo-pressing shearing tester | |
| CN107121275B (en) | Rail fastening integration test experimental facilities | |
| CN206095789U (en) | Unipolar tensile strength survey device of full -automatic horizontal soil | |
| CN101706410B (en) | Knife edge support friction test device | |
| CN105928447B (en) | A kind of rapid survey deflection of bridge span device | |
| CN206515161U (en) | A kind of plate-type ballastless track adhesive property test devices of CRTS III | |
| CN205426517U (en) | Lathe main shaft comprehensive properties detection / monitoring testing system | |
| CN1632510A (en) | Direct shear test machine for rock | |
| CN105716956A (en) | Creep test device and control system thereof | |
| CN206609588U (en) | A kind of large-scale bridge support dynamic test system | |
| CN106836315A (en) | A kind of vertical displacement detection means | |
| CN202002770U (en) | Force sensor calibration and comparison device for engine dynamometer | |
| CN106644329A (en) | 120MN bridge support tester for high-precision dynamic measurement | |
| CN208780607U (en) | A kind of Portable Automatic loading wall heat insulation material scene binding strength detecting instrument | |
| CN206740345U (en) | A kind of paver screed property test platform | |
| CN106840919A (en) | A kind of Rock And Soil direct shear test instrument for quick and precisely pressurizeing | |
| CN206593969U (en) | The axial tension test device of cement-base composite material test specimen | |
| CN206804247U (en) | A kind of 120MN bridge pad test machines of Dynamic High-accuracy measurement | |
| CN106124123B (en) | A kind of torque sensor spends experimental provision surely | |
| CN2748904Y (en) | Rock direct shear test machine | |
| CN111257147B (en) | Roadbed pavement resilience modulus testing device and testing method | |
| CN110118723B (en) | Device and method for testing friction coefficient of natural section of rock | |
| CN109839312B (en) | Device for calibrating static rigidity of mooring cable in air | |
| CN202214716U (en) | Panel load tester | |
| CN206618551U (en) | A kind of high-precision bridge pad pressure testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |