CN104949880B - A kind of horizontal SHPB beams bar experimental rig - Google Patents
A kind of horizontal SHPB beams bar experimental rig Download PDFInfo
- Publication number
- CN104949880B CN104949880B CN201510362325.9A CN201510362325A CN104949880B CN 104949880 B CN104949880 B CN 104949880B CN 201510362325 A CN201510362325 A CN 201510362325A CN 104949880 B CN104949880 B CN 104949880B
- Authority
- CN
- China
- Prior art keywords
- beam bar
- bar
- guide rail
- incident
- horizontal
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of horizontal SHPB beams bar experimental rig, including incident beam bar, transmitted beam bar, clash into bullet, ballistic projections device, energy absorption device and dynamic signal acquisition system, incident beam bar is made up of many square incident single poles, transmitted beam bar is made up of many square transmission single poles, the quantity of incident single pole is equal with the quantity of transmission single pole, feature is incident beam bar horizontally disposed with described transmitted beam bar, clash into and be provided with horizontal adapter between bullet and incident beam bar, axially displaceable beam bar support is respectively arranged with incident beam bar and transmitted beam bar, the sample mount for placing large-size concrete sample to be measured is provided between incident beam bar and transmitted beam bar, the moving direction of sample mount is perpendicular with the moving direction of beam bar support；Advantage be so that whole device can perfect grafting tradition SHPB depression bars test platform, take up room relatively small, and it is convenient to install and maintain, take short, and the frictional force very little of guide rail movement so that the position movement of incident beam bar and transmitted beam bar, regulation are all very convenient.
Description
Technical field
The present invention relates to Hopkinson pressure bar test device, more particularly to a kind of horizontal SHPB beams bar experimental rig.
Background technology
With national economy, the development of national defense construction, multiphase, the research of inhomogeneous composite materials dynamic characteristics cause
Mechanics circle, the wherein common concern of material educational circles, concrete material（Including normal concrete, haydite concrete and special mixed
Solidifying soil）Being most widely used in engineering, the understanding to its related mechanical characteristic is also increasingly paid attention to.
The research of concrete static mechanical property is more ripe, and the research of concrete impact dynamic mechanical is relative
It is less, but demand is urgent.Research concrete shock loading under dynamic response, strain rate effect be most basic dynamic effect it
One.Concrete material is also a kind of rate sensitive material, and under ballistics state, concrete material has effects of stress wave（It is used
Property effect）And strain rate effect, both interknit, interact, and problem is become complicated.H. the SHPB that Kolsky is created
（Split Hopkinson Bar）Technology can decouple two kinds of effects, be the effective ways for solving such problem, thus SHPB
It is the first-selected device of impact mechanical performance research.And according to the uniformity requirement of sample material, concrete is deposited due to coarse aggregate
Larger in the size for requiring sample, the size using traditional single pole SHPB technologies then incident bar and transmission bar will also become big, will
Cause the transverse inertia domino effect of bar, cause test result distortion.
In order to solve the above technical problems, the applying date is January 6, the China of Patent No. ZL201020049494 in 2010
Utility model patent discloses a kind of Hopkinson pressure bar dynamic compression experiments device, and feature is that it includes support and trip rod,
Guide rail is fixedly installed on support, trip rod coordinates with slide, and incident beam bar and transmitted beam bar are provided with guide rail, incident
Beam bar is made up of many incident single poles, and transmitted beam bar is made up of many transmission single poles, and each pair incidence single pole and transmission single pole are constituted
Meet the Hopkinson pressure bar of one-dimension stress wane condition for a pair；Advantage can be to ignore the stress wave transverse direction disperse effect of every single pole
Should, the hypothesis for making it meet one-dimension stress wane；Can conveniently using the experimental data test and analysis of traditional Hopkinson technology
Method, so as to the dynamic compression experiments research of the actual large-size concrete of engineering can be realized meeting；But the device sets vertically
Put, it takes up room too greatly, installation and maintenance are difficult, Preparatory work of experiment workload is big, time-consuming, and lifting incident beam bar is difficult, puts
The regulation for putting concrete sample and beam bar and trip rod is also more difficult to the heart.
The content of the invention
It is easy to adjust accurately that the technical problems to be solved by the invention are to provide a kind of convenient to install and maintain, beam bar positioning
Horizontal SHPB beams bar experimental rig.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of horizontal SHPB beams bar experimental rig, bag
Include incident beam bar, transmitted beam bar, clash into bullet, ballistic projections device, energy absorption device and dynamic signal acquisition system, described enters
Beam bar is made up of many square incident single poles, and described transmitted beam bar is made up of many square transmission single poles, described
The quantity of incident single pole is equal with the quantity of described transmission single pole, and each pair incidence single pole and transmission single pole partner satisfaction one
The Hopkinson pressure bar of stress wave condition is tieed up, is pasted with respectively on incident single pole described in every and the transmission single pole described in every
Foil gauge, described foil gauge is electrically connected with described dynamic signal acquisition system, and described energy absorption device is fixedly installed on institute
The rear side of the transmitted beam bar stated, described incident beam bar is horizontally disposed with described transmitted beam bar, described shock bullet and institute
It is provided with horizontal described to enter for the small end face of described shock bullet to be converted into covering between the incident beam bar stated
Being respectively arranged with the adapter of the large end face of beam rod end surface, described incident beam bar and described transmitted beam bar can be vertically
Mobile beam bar support, is provided between described incident beam bar and described transmitted beam bar and is mixed for placing large scale to be measured
The sample mount of solidifying soil sample, the moving direction of described sample mount is perpendicular with the moving direction of described beam bar support.
Described beam bar support includes the first guide rail, first roll wheel assembly and at least two of multigroup axially spaced arrangement
The support frame of axially spaced arrangement, described support frame is vertically arranged, be provided with described support frame it is multiple with it is described
The quantity of incident single pole or described transmission single pole, shape, the square hole of arrangement all same, pass through bonding jumper between adjacent square hole
Separate, the breach for facilitating wire to pass through is provided with described bonding jumper, the lower end of described support frame has been wholely set level
Chassis, the lower surface on described chassis is provided with axially extending and recessed with the first arc that the first described guide rail matches
Groove, described chassis is shelved on the first described guide rail, in the first described arc groove of described the first guide rail insertion, institute
The first roll wheel assembly stated includes roller shaft and fixed seat, and described roller shaft is fixedly installed in described fixed seat, described
The two ends of roller shaft be connected with hanging roller, the first described guide rail be shelved on described roller and with described roller
It is slidably matched so that the first described guide rail be can axially move, and described fixed seat is fixed on test platform.
The thickness of described bonding jumper is 1mm, and can meet paste foil gauge and lead on every incident single pole or transmission single pole
Requirement.
Described sample mount includes the second guide rail, multigroup spaced second roll wheel assembly and for placing large scale
The platform of concrete sample, the structure of the second described roll wheel assembly is identical with the structure of the first described roll wheel assembly, described
The second guide rail be shelved on the roller of the second described roll wheel assembly and coordinate with described roller-coaster, described second leads
The moving direction of rail is perpendicular with the moving direction of the first described guide rail, the lower surface of described platform be provided with it is described
The second arc groove that second guide rail matches, described platform is shelved on the second described guide rail, the second described guide rail
In embedded the second described arc groove, the baffle plate for smooth beam rod end surface is provided with described platform.
Position is provided with the fixed seat of the fixed seat of the first described roll wheel assembly and the second described roll wheel assembly
Governor motion.
Described position adjusting mechanism includes fixing screws, adjusting screw and the kidney-shaped being arranged in described fixed seat
Hole, the described length direction of mounting hole is perpendicular with the moving direction of the beam bar support corresponding to it or sample mount, described
Fixing screws be passed down through described mounting hole and described test platform and be spirally connected fixation, be arranged with described fixing screws
Adjusting gasket, described adjusting gasket is located at the lower section of described fixed seat, and described adjusting screw is perpendicular with described fixed seat
Directly it is spirally connected, the lower end of described adjusting screw is withstood on the upper surface of described test platform.
It is bolted with Positioning screw on described chassis or described platform respectively, described Positioning screw is through described the
One arc groove is withstood on the first described guide rail, or described Positioning screw withstood on through the second described arc groove it is described
The second guide rail on, can prevent chassis from being slided with respect to the first guide rail, prevent platform from being slided with respect to the second guide rail.
The two ends on described chassis are respectively arranged with the first blend stop, and the first described blend stop is set in the first described guide rail
Described chassis is gone up and be close to, vertical Positioning screw is bolted with the first described blend stop, described Positioning screw apical grafting exists
On the first described guide rail, the two ends of described platform are respectively arranged with the second blend stop, and the second described blend stop is set in described
The second guide rail on, vertical Positioning screw is bolted with the second described blend stop, described Positioning screw apical grafting is described
On second guide rail, can prevent the first guide rail from skidding off the first roll wheel assembly, prevent the second guide rail from skidding off the second roll wheel assembly, while by
It is close to chassis in the first blend stop, Dual positioning effect can be played to chassis, further ensures between chassis and the first guide rail
It is fixed.
Described adapter includes clashing into disk, axle sleeve, fixed blind nut and striking rod, and described shock disk is described in
The side of striking rod be coaxially wholely set positioning boss, described striking rod is coaxially disposed with described positioning boss, and
The end face of described striking rod fits with the end face of described positioning boss, and described axle sleeve is coaxial to be set in described impact
On bar and described positioning boss, one end of the shock disk described in described axle sleeve direction has been wholely set adpting flange, institute
The adpting flange stated is fixedly connected with described shock disk, is set between the other end and described striking rod of described axle sleeve
There is a cambridge ring, described fixed blind nut withstands described cambridge ring and is spirally connected fixation with described axle sleeve, to prevent described wedge
Shape ring is released, and described striking rod is coaxial with described shock bullet.
It is provided between described shock disk and described beam bar support for detecting described adapter, described entering
The whether coaxial axiality testing agency of beam bar, described transmitted beam bar；Adapter, incident beam can quickly and easily be detected
Whether bar, transmitted beam bar three are coaxial, it is ensured that the realization of experimental principle.
Described axiality testing agency includes the first alignment hole of the shock disk upper end for being arranged on described and is arranged on
The second alignment hole in the middle of each support frame upper end, the first described alignment hole and all of second alignment hole are located at same straight line
On, that is, show that described adapter, described incident beam bar, described transmitted beam bar are coaxial.
Compared with prior art, it is an advantage of the invention that：
（1）, due to incident beam bar and transmitted beam bar it is horizontally disposed, and be respectively arranged with incident beam bar and transmitted beam bar can
The beam bar support being axially moveable so that whole device can perfect grafting tradition SHPB depression bars test platform, take up room phase
It is time-consuming short to smaller and convenient to install and maintain, and the frictional force very little that guide rail is rolled along roller so that incident beam bar and transmission
The position movement of beam bar, regulation are all very convenient；
（2）, due to being provided between incident beam bar and transmitted beam bar for placing large-size concrete sample to be measured
Sample mount, the moving direction of sample mount is perpendicular with the moving direction of beam bar support so that large-size concrete sample
Install, position adjustments it is all more convenient, and due to being provided with baffle plate on the platform of sample mount, large-size concrete sample and flat
Platform is with the second guide rail transverse shifting, and its frictional force is small, and platform is slid into baffle plate when loading position is tested, can be by by incidence
Beam bar, transmitted beam bar and baffle plate slight impact reach the regulation smooth purpose of beam rod end surface, and by large-size concrete sample
When laterally moving to experiment loading position, the dynamic impact test of large-size concrete sample can be carried out；
（3）, fixed seat due to the first roll wheel assembly and the second roll wheel assembly fixed seat on be provided with position adjustments
Mechanism；The horizontal level and height of adjustable beam bar support and sample mount, make adapter, incident beam bar, transmitted beam bar and examination
The regulation alignment of sample is convenient and swift, and under the collective effect of axiality testing agency, conveniently can accurately regulate adapter,
Incident beam bar, the axiality of transmitted beam bar three；
（4）, the horizontal small end face conversion for bullet will to be clashed into is provided between bullet and incident beam bar due to clashing into
Into the adapter of the large end face for covering incident beam rod end surface so that incident beam bar can stress and uniform force comprehensively, it is and right
It is easy to process in large-sized adapter, while also ensure that striking rod and clash into the perpendicularity between disk and clash into circle
The depth of parallelism between disk and incident beam rod end surface, it is ensured that the realization of experimental principle；
（5）, whole experimental rig there is good practicality, accuracy, convenience, durability.
Brief description of the drawings
Fig. 1 is schematic diagram of the invention；
Fig. 2 is that the present invention removes the structural representation after clashing into bullet；
Fig. 3 is the structural representation of beam bar support of the invention and sample mount；
Fig. 4 is the structural representation of support frame of the invention；
Fig. 5 is the structural representation of the first roll wheel assembly of the invention and its position adjusting mechanism；
Fig. 6 is the sectional view of position adjusting mechanism of the invention；
Fig. 7 is the sectional view of adapter of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As illustrated, a kind of horizontal SHPB beams bar experimental rig, including incident beam bar 1, transmitted beam bar 2, clash into bullet 3,
Ballistic projections device 4, energy absorption device 5 and dynamic signal acquisition system, dynamic signal acquisition system include dynamic strain indicator 6 and show
Ripple device 7, incident beam bar 1 is made up of many square incident single poles, and transmitted beam bar 2 is made up of many square transmission single poles, enters
The quantity for penetrating single pole is equal with the quantity of transmission single pole, and each pair incidence single pole and transmission single pole partner and meet one-dimension stress wane
The Hopkinson pressure bar of condition, is pasted with foil gauge 8 respectively on every incident single pole and every transmission single pole, foil gauge 8 with it is dynamic
State deformeter 6 is electrically connected, and dynamic strain indicator 6 is electrically connected with oscillograph 7, after energy absorption device 5 is fixedly installed on transmitted beam bar 2
Side, incident beam bar 1 and transmitted beam bar 2 are horizontally disposed with, clash into be provided between bullet 3 and incident beam bar 1 it is horizontal for that will hit
The small end face for hitting bullet 3 is converted into the adapter 9 of the large end face for covering the end face of incident beam bar 1, incident beam bar 1 and transmitted beam bar
Axially displaceable beam bar support is respectively arranged with 2, beam bar support includes the first guide rail 10, multigroup axially spaced arrangement
The first roll wheel assembly 11 and two support frames of axially spaced arrangement 12, support frame 12 is vertically arranged, and is set in support frame 12
Quantity, shape, the square hole 13 of arrangement all same of multiple and incident single pole or transmission single pole are equipped with, are led between adjacent square hole 13
Cross bonding jumper 14 to separate, the thickness of bonding jumper 14 is 1mm, and the breach for facilitating wire to pass through is provided with bonding jumper 14（In figure not
Display）, the lower end of support frame 12 is wholely set horizontal chassis 15, and the lower surface on chassis 15 is provided with axially extending and with
The first arc groove 151 that one guide rail 10 matches, chassis 15 is shelved on the first guide rail 10, and the first guide rail 10 is embedded in the first arc
In connected in star 151, chassis 15 is bolted with Positioning screw 16, and Positioning screw 16 withstands on the first guide rail through the first arc groove 151
On 10, the first roll wheel assembly 11 includes roller shaft 111 and fixed seat 112, and roller shaft 111 is fixedly installed in fixed seat 112, is rolled
The two ends of wheel shaft 111 are connected with hanging roller 113, and the first guide rail 10 is shelved on roller 113 and is slided with roller 113 matches somebody with somebody
Close so that the first guide rail 10 can axially move, and the two ends on chassis 15 are respectively arranged with the first blend stop 17, and the first blend stop 17 is arranged
On the first guide rail 10 and it is close to chassis 15, vertical Positioning screw 16, the apical grafting of Positioning screw 16 is bolted with the first blend stop 17
On the first guide rail 10；
The sample for placing large-size concrete sample 100 to be measured is provided between incident beam bar 1 and transmitted beam bar 2
Support, the moving direction of sample mount is perpendicular with the moving direction of beam bar support, i.e. transverse shifting, and sample mount includes second
Guide rail 20, multigroup spaced second roll wheel assembly 21 and the platform 22 for placing large-size concrete sample 100, second
The structure of roll wheel assembly 21 is identical with the structure of the first roll wheel assembly 11, and the second guide rail 20 is shelved on the rolling of the second roll wheel assembly 21
Coordinate on wheel and with roller-coaster, the moving direction of the second guide rail 20 is perpendicular with the moving direction of the first guide rail 10, platform 22
Lower surface be provided with the second arc groove 221 matched with the second guide rail 20, platform 22 is shelved on the second guide rail 20,
Two guide rail 20 is embedded in the second arc groove 221, and Positioning screw 16 is bolted with platform 22, and Positioning screw 16 passes through the second arc
Groove 221 is withstood on the second guide rail 20, and the baffle plate 23 for smooth beam rod end surface, the two ends point of platform 22 are provided with platform 22
The second blend stop 24 is not provided with, and the second blend stop 24 is set on the second guide rail 20, and vertical positioning is bolted with the second blend stop 24
Screw 16, the apical grafting of Positioning screw 16 is on the second guide rail 20；
Position adjustments machine is provided with the fixed seat of the roll wheel assembly 21 of fixed seat 112 and second of the first roll wheel assembly 11
Structure, position adjusting mechanism includes fixing screws 31, adjusting screw 32 and the mounting hole 33 being arranged in fixed seat 112, mounting hole
33 length direction is perpendicular with beam bar support or the moving direction of sample mount corresponding to it, and fixing screws 31 are passed down through
Mounting hole 33 and test platform 35 are spirally connected fixation, and adjusting gasket 34 is arranged with fixing screws 31, and adjusting gasket 34 is located at fixes
The lower section of seat 112, adjusting screw 32 is spirally connected vertically with fixed seat 112, and the lower end of adjusting screw 32 withstands on the upper of test platform 35
On end face；
Adapter 9 includes clashing into disk 91, axle sleeve 92, fixed blind nut 93 and striking rod 94, clashes into disk 91 towards impact
The side of bar 94 has coaxially been wholely set positioning boss 95, and striking rod 94 is coaxially disposed with positioning boss 95, and striking rod 94
End face is fitted with the end face of positioning boss 95, and axle sleeve 92 is coaxially set on striking rod 94 and positioning boss 95, the court of axle sleeve 92
Adpting flange 921 is wholely set to the one end for clashing into disk 91, adpting flange 921 fixes company with disk 91 is clashed into by screw
Connect, cambridge ring 96 is provided between the other end and striking rod 94 of axle sleeve 92, fixed blind nut 93 withstands cambridge ring 96 and and axle sleeve
92 are spirally connected fixation, and to prevent cambridge ring 96 from releasing, striking rod 94 is with to clash into bullet 3 coaxial；
Clash into and be provided with for whether detecting adapter 9, incident beam bar 1, transmitted beam bar 2 between disk 91 and beam bar support
Coaxial axiality testing agency, axiality testing agency includes being arranged on the He of the first alignment hole 911 for clashing into the upper end of disk 91
It is arranged on the second alignment hole 121 in the middle of each upper end of support frame 12, the first alignment hole 911 and all of second alignment hole 121
It is located along the same line, that is, shows that adapter 9, incident beam bar 1, transmitted beam bar 2 are coaxial.
Claims (7)
1. a kind of horizontal SHPB beams bar experimental rig, including incident beam bar, transmitted beam bar, shock bullet, ballistic projections device, suction
Energy device and dynamic signal acquisition system, described incident beam bar are made up of many square incident single poles, described transmitted beam
Bar is made up of many square transmission single poles, and the quantity of described incident single pole is equal with the quantity of described transmission single pole, often
Incident single pole and transmission single pole are partnered and meet the Hopkinson pressure bar of one-dimension stress wane condition, the incidence described in every is single
Foil gauge, described foil gauge and described dynamic signal acquisition system are pasted with respectively on bar and the transmission single pole described in every
Electrical connection, described energy absorption device is fixedly installed on the rear side of described transmitted beam bar, it is characterised in that described incident beam bar
It is horizontally disposed with described transmitted beam bar, it is provided between described shocks bullet and described incident beam bar horizontal for general
The small end face of described shock bullet is converted into the adapter of the large end face of the incident beam rod end surface for covering described, and described enters
Be respectively arranged with axially displaceable beam bar support on beam bar and described transmitted beam bar, described incident beam bar with it is described
Transmitted beam bar between be provided with sample mount for placing large-size concrete sample to be measured, described sample mount
Moving direction is perpendicular with the moving direction of described beam bar support, and described beam bar support includes the first guide rail, multigroup along axle
To spaced first roll wheel assembly and the support frame of at least two axially spaced arrangements, described support frame sets vertically
Put, be provided with described support frame multiple equal with described incident single pole or the described quantity for transmiting single pole, shape, arrangement
Identical square hole, is separated between adjacent square hole by bonding jumper, be provided with described bonding jumper facilitate wire to pass through lack
Mouthful, the lower end of described support frame is wholely set horizontal chassis, the lower surface on described chassis be provided with it is axially extending and
The first arc groove matched with the first described guide rail, described chassis is shelved on the first described guide rail, described
In the first described arc groove of first guide rail insertion, the first described roll wheel assembly includes roller shaft and fixed seat, described
Roller shaft is fixedly installed in described fixed seat, and the two ends of described roller shaft are connected with hanging roller, described first
Guide rail is shelved on described roller and coordinates with described roller-coaster so that the first described guide rail can axially move,
Described fixed seat is fixed on test platform, and described adapter includes clashing into disk, axle sleeve, fixed blind nut and striking rod,
The side of the striking rod of described shock disk described in is coaxial to be wholely set positioning boss, described striking rod with it is described
Positioning boss be coaxially disposed, and the end face of described striking rod fits with the end face of described positioning boss, described axle
Set is coaxial to be set on described striking rod and described positioning boss, one end of the shock disk described in described axle sleeve direction
Adpting flange is wholely set, described adpting flange is fixedly connected with described shock disk, the other end of described axle sleeve
Be provided with cambridge ring between described striking rod, described fixed blind nut withstand described cambridge ring and with described axle sleeve spiral shell
Fixation is connect, to prevent described cambridge ring from releasing, the described striking rod sample mount coaxial, described with described shock bullet
Platform including the second guide rail, multigroup spaced second roll wheel assembly and for placing large-size concrete sample, it is described
The second roll wheel assembly structure it is identical with the structure of the first described roll wheel assembly, the second described guide rail is shelved on described
Coordinate on the roller of the second roll wheel assembly and with described roller-coaster, the moving direction of described the second guide rail and described the
The moving direction of one guide rail is perpendicular, and the lower surface of described platform is provided with the second arc matched with the second described guide rail
Connected in star, described platform is shelved on the second described guide rail, the second described arc groove of described the second guide rail insertion
In, the baffle plate for smooth beam rod end surface is provided with described platform.
2. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 1, it is characterised in that the thickness of described bonding jumper
It is 1mm.
3. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 1, it is characterised in that the first described roll wheel assembly
Fixed seat and the second described roll wheel assembly fixed seat on be provided with position adjusting mechanism.
4. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 3, it is characterised in that described position adjusting mechanism
Including fixing screws, adjusting screw and the mounting hole being arranged in described fixed seat, the length direction of described mounting hole with
The moving direction of beam bar support or sample mount corresponding to it is perpendicular, and described fixing screws are passed down through described kidney-shaped
Hole and described test platform are spirally connected fixation, and adjusting gasket is arranged with described fixing screws, and described adjusting gasket is located at
The lower section of described fixed seat, described adjusting screw is spirally connected vertically with described fixed seat, the lower end of described adjusting screw
Withstand on the upper surface of described test platform.
5. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 1, it is characterised in that described chassis or described
Positioning screw is bolted with platform respectively, described Positioning screw withstands on described first and leads through the first described arc groove
Positioning screw on rail or described is withstood on the second described guide rail through the second described arc groove.
6. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 1, it is characterised in that the two ends on described chassis point
The first blend stop is not provided with, and the first described blend stop is set on the first described guide rail and is close to described chassis, described
Vertical Positioning screw is bolted with first blend stop, described Positioning screw apical grafting is on the first described guide rail, and described is flat
The two ends of platform are respectively arranged with the second blend stop, and the second described blend stop is set on the second described guide rail, described second gear
Vertical Positioning screw is bolted with bar, described Positioning screw apical grafting is on the second described guide rail.
7. a kind of horizontal SHPB beams bar experimental rig as claimed in claim 1, it is characterised in that described shock disk and institute
Whether it is provided between the beam bar support stated for detecting described adapter, described incident beam bar, described transmitted beam bar
Coaxial axiality testing agency, described axiality testing agency includes being arranged on described the first couple for clashing into disk upper end
Quasi- hole and the second alignment hole being arranged in the middle of each support frame upper end, described the first alignment hole and all of second alignment hole
It is located along the same line, that is, shows that described adapter, described incident beam bar, described transmitted beam bar are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362325.9A CN104949880B (en) | 2015-06-26 | 2015-06-26 | A kind of horizontal SHPB beams bar experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362325.9A CN104949880B (en) | 2015-06-26 | 2015-06-26 | A kind of horizontal SHPB beams bar experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104949880A CN104949880A (en) | 2015-09-30 |
| CN104949880B true CN104949880B (en) | 2017-07-07 |
Family
ID=54164706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510362325.9A Active CN104949880B (en) | 2015-06-26 | 2015-06-26 | A kind of horizontal SHPB beams bar experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104949880B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527153B (en) * | 2016-01-08 | 2019-02-26 | 西北工业大学 | A kind of Hopkinson strut and tie stress-wave loading platform based on electromagnetic force |
| CN106769415B (en) * | 2017-01-13 | 2023-09-26 | 绍兴文理学院 | Hopkinson bar support device suitable for multiple-size samples |
| CN107367427A (en) * | 2017-08-28 | 2017-11-21 | 南京理工大学 | A kind of SHPB experimental methods for concrete material |
| CN108287113B (en) * | 2018-02-09 | 2024-06-04 | 西南交通大学 | Test equipment for ring member in slope protection structure |
| CN109406313B (en) * | 2018-12-26 | 2021-08-31 | 深圳大学 | Dynamic test system for Hopkinson beam bar |
| US11703433B2 (en) | 2018-12-26 | 2023-07-18 | Shenzhen University | Dynamic true triaxial electromagnetic Hopkinson bar system and testing method |
| CN110672438B (en) * | 2019-10-16 | 2021-11-23 | 浙江科技学院 | Round hole linear nail column type double-sided energy-gathering joint cutting device for dynamically punching rock-soil body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2916616Y (en) * | 2006-04-30 | 2007-06-27 | 中国人民解放军总参谋部工程兵科研三所 | Large diameter separate type Hopkinson pressure lever |
| CN101706389A (en) * | 2009-09-21 | 2010-05-12 | 方远建设集团股份有限公司 | Device for testing fracture energy of concrete by three-point bending beam without self-gravity doing work |
| CN201589739U (en) * | 2010-01-06 | 2010-09-22 | 宁波大学 | Dynamic compression experiment device of split Hopkinson pressure bar |
| CN103439186A (en) * | 2013-08-29 | 2013-12-11 | 南京理工大学 | Separated Hopkinson pull bar test piece clamp device |
| CN104198274A (en) * | 2014-09-16 | 2014-12-10 | 福建江夏学院 | Novel support device of split Hopkinson pressure bar and adjustment method of support device |
| CN204988857U (en) * | 2015-06-26 | 2016-01-20 | 宁波大学 | Horizontal SHPB restraints pole test device |
-
2015
- 2015-06-26 CN CN201510362325.9A patent/CN104949880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2916616Y (en) * | 2006-04-30 | 2007-06-27 | 中国人民解放军总参谋部工程兵科研三所 | Large diameter separate type Hopkinson pressure lever |
| CN101706389A (en) * | 2009-09-21 | 2010-05-12 | 方远建设集团股份有限公司 | Device for testing fracture energy of concrete by three-point bending beam without self-gravity doing work |
| CN201589739U (en) * | 2010-01-06 | 2010-09-22 | 宁波大学 | Dynamic compression experiment device of split Hopkinson pressure bar |
| CN103439186A (en) * | 2013-08-29 | 2013-12-11 | 南京理工大学 | Separated Hopkinson pull bar test piece clamp device |
| CN104198274A (en) * | 2014-09-16 | 2014-12-10 | 福建江夏学院 | Novel support device of split Hopkinson pressure bar and adjustment method of support device |
| CN204988857U (en) * | 2015-06-26 | 2016-01-20 | 宁波大学 | Horizontal SHPB restraints pole test device |
Non-Patent Citations (3)
| Title |
|---|
| An analysis of stress uniformity for concrete-like specimens during SHPB tests;Jue Zhu et al.;《International Journal of Impact Engineering》;20080521;第61-72页 * |
| Experimental Study on Reinforced Concrete Subjected to Shock Loading;Ning Jian-guo et al.;《Key Engineering Materials》;20061201;第326-328卷;第1633-1636页 * |
| 活性粉末混凝土的冲击性能研究;盛国华 等;《混凝土》;20091111(第11期);第23-26页以及第30页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104949880A (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104949880B (en) | A kind of horizontal SHPB beams bar experimental rig | |
| WO2020186895A1 (en) | Vertical hopkinson pressure bar testing apparatus and testing method | |
| CN201673094U (en) | Visual shear test device for soil-structure interactive interfaces | |
| CN201788123U (en) | Bond anchorage pull-out test device | |
| CN103752530B (en) | A kind of cigarette weight sorting unit | |
| CN108318202A (en) | Damper wind excited vibration analogue test platform | |
| CN210533859U (en) | Auxiliary loading device for split Hopkinson pressure bar test sample | |
| CN204988857U (en) | Horizontal SHPB restraints pole test device | |
| CN206902781U (en) | The detection means of anchor pole internal force exterior measuring | |
| CN203869625U (en) | Single-pipe multi-rod layered settlement measuring device for indoor large-scale soil engineering model test | |
| CN104964870B (en) | A kind of support of SHPB beams bar experimental rig | |
| CN105115387B (en) | Geogrid strain measuring equipment and method for measurement in a kind of model test | |
| CN204855243U (en) | SHPB restraints pole test device's support | |
| CN204944376U (en) | Geogrid strain measuring equipment in a kind of model test | |
| CN209690049U (en) | A kind of horizontal dead load test device for CT scan | |
| CN101806688B (en) | Unidirectional tension test device of super-large diameter round bar machine | |
| CN102749249A (en) | Method for testing glass ribs of full-glass curtain wall, and device thereof | |
| CN216449327U (en) | Prestressed concrete load testing arrangement | |
| CN203443850U (en) | Shear box for direct shear apparatus for preventing arching of upper half box | |
| CN109470445A (en) | A kind of freely-supported type air tunnel testing device for growing thin component resistance coefficient | |
| CN104977217B (en) | A kind of soil body triaxial extension test instrument | |
| CN114324015A (en) | Blasting vibration simulation impact device for shear rheological test | |
| CN203695447U (en) | Cigarette weight sorting device | |
| CN204405456U (en) | A kind of four station strain gauge load cell creep loading device for testing | |
| CN210923583U (en) | Ultrasonic wave wall body quality detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |