CN206095571U - Pyroclastic flow protective structure impact test device - Google Patents
Pyroclastic flow protective structure impact test device Download PDFInfo
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- CN206095571U CN206095571U CN201621143877.7U CN201621143877U CN206095571U CN 206095571 U CN206095571 U CN 206095571U CN 201621143877 U CN201621143877 U CN 201621143877U CN 206095571 U CN206095571 U CN 206095571U
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- runner
- impact
- safeguard structure
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- protective structure
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Abstract
The utility model relates to a safety protection technical field specifically is pyroclastic flow protective structure impact test device, and emitter is being connected to the cylinder, and emitter sets up the size of control switch with the control impact force, emitter is connecting the columniform runner, and the runner has six cartridge chambers, and the cartridge chamber is equipped with the toper respectively and strikes the bullet, the buncher is connected with the pivot of runner, and buncher and control switch connect transmission speed controller respectively, experiment protective structure is installed in transmission the place ahead of runner, installs highspeed camera before the experiment protective structure. The utility model provides a pyroclastic flow protective structure impact test device, the emitter who has adopted wheel style has realized the continuous emission of bullet to can simulate pyroclastic flow's continuous impacting process, experiment protective structure has realized adjustable controllablely to different forms's pyroclastic flow protective structure can simulate, this test device has improved test efficiency.
Description
Technical field
This utility model is related to technical field of safety protection, specially chip stream safeguard structure impact test device.
Background technology
In the more flourishing city of the complicated area of the geomorphologic conditions such as Southwestern China, the high ditch depth in Tibet mountain and mountain region disaster such as
Hong Kong, after the acceleration of chip stream, the maximum speed of impact protective structure can reach 50～100m/s, and Impact energy is huge.If near
Journey boost phase is intercepted, and impact of the chip stream to safeguard structure is exactly a continuous dynamic impulsion process.Therefore develop
Chip stream impact test apparatus need to solve the problems, such as two aspects：
Its impact process is a dynamic impact process, it is therefore necessary to provide larger impact energy to safeguard structure；
Its impact process is a continuous impact process, it is therefore desirable to provide continuous impact energy to safeguard structure.
Mine fragmentation, oil well fracturing, high-speed impact, piling, projectile impacts on target, traditional bomb and nuclear explosion protection and some ground
Shake, landslide, rock burst etc. some etc. disastrous natural phenomena etc. all with stress pulse and Impact Load under stress wave transmission
It is relevant.When bump test is carried out, experimental facilitiess can be divided into by following components according to the difference of strain rate：
Impact test equipment of the table 1 by strain rate classification
Traditional chip stream bump test uses the assay device of pendulum gravity drop hammer, although the examination of gravity drop hammer assay device
Test simple to operate, large-sized model can be simulated, but the impact energy of gravity drop hammer test relies on merely the gravitional force of gravity drop hammer,
Need to change gravity drop hammer during simulation difference impact energy, or need by plant equipment such as cranes to complete experiment, and it is uncomfortable
Close laboratory test quantitative study.And in shield-test facilities such as nuclear explosions, which mainly simulates once superfast shock at present,
Its impact process is not equivalent to the bump process of chip stream.Chute test can simulate chip stream pair to a certain extent
The percussion of safeguard structure, but which is limited by size, its impulsive force and impact process can not accurate simulation high speed it is broken
Bump of the bits stream to safeguard structure is acted on.In addition different mountain topographies are needed using different safeguard structures, are used at present
More is the tabular safeguard structure based on steel and concrete structure and the netted safeguard structure based on steel wire etc., particularly with new
The safeguard structure of structure or new material needs by testing to verify design, and current equipment can not be in same equipment
Protective capacities under the bump effect of upper simulation said two devices.In sum, although there is more bump test dress at present
Put, but also do not have a kind of assay device that can directly apply to the stream impact of simulation chip.
Utility model content
For above-mentioned technical problem, this utility model provides a kind of test dress for directly applying to the stream impact of simulation chip
Put.
Specifically technical scheme is：
Chip stream safeguard structure impact test device, including cylinder, discharger, runner, taper impact bullet, take the photograph at a high speed
Camera and experiment safeguard structure；Cylinder is connected to discharger, and discharger arranges controlling switch to control the size of impulsive force；
Discharger is connected to the runner of cylinder, and runner has six cartridge chambers, and cartridge chamber is respectively provided with taper impact bullet；Buncher with
The rotating shaft connection of runner, buncher and controlling switch connect emission rate controller respectively；It is provided with front of the transmitting of runner
Experiment safeguard structure, is provided with high-speed camera before experiment safeguard structure.
Described experiment safeguard structure includes the foundation trench of bottom, protection network, and protection sieve bottom is arranged in foundation trench, protection network
There are boundary plates both sides, and boundary plates are arranged on fixed wall by hydraulic column, be provided with impact zone, divide around impact zone on protection network
Foil gauge is furnished with, described foil gauge is connected with deformeter；Described protection network is fixed on fixed wall by anchor line.
The chip stream safeguard structure impact test device that this utility model is provided, employs rotary-type discharger and realizes
The continuous transmitting of bullet, so as to simulating the bump process of chip stream；Experiment safeguard structure realize it is adjustable controllable, from
And the chip stream safeguard structure of multi-form can be simulated；The assay device improves test efficiency.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is rotaring wheel structure schematic diagram of the present utility model；
Fig. 3 is experiment safeguard structure schematic diagram of the present utility model；
Fig. 4 is protecting screen structure schematic diagram of the present utility model；
Fig. 5 is the loading process curve chart under embodiment chip stream percussion.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the drawings.
Chip stream safeguard structure impact test device, including cylinder 1, discharger 3, runner 4, taper punching as shown in Figure 1
Hit bullet 5, high-speed camera 7 and experiment safeguard structure 6；
Cylinder 1 is connected to discharger 3, and discharger 3 arranges controlling switch 2 to control the size of impulsive force；Transmitting dress
The runner 4 for being connected to cylinder is put, as shown in Fig. 2 runner 4 there are six cartridge chambers, cartridge chamber is respectively provided with taper impact bullet 5；
Buncher 9 is connected with the rotating shaft of runner 4, and buncher 9 and controlling switch 2 connect emission rate controller respectively
10；
Experiment safeguard structure 6 is installed in front of the transmitting of runner 4, high-speed camera 7 is installed before experiment safeguard structure 6；
As shown in figure 3, described experiment safeguard structure 6 includes the foundation trench (63) of bottom, protection network (67), protection network (67)
Bottom is arranged in foundation trench (63), and there are boundary plates (64) protection network (67) both sides, and boundary plates (64) are installed by hydraulic column (61)
On fixed wall (62), it is provided with protection network (67) around impact zone (66), impact zone (66) and foil gauge (65), institute is distributed with
The foil gauge (65) stated is connected with deformeter 8；As shown in figure 4, described protection network (67) is fixed on fixation by anchor line (68)
On wall (62).
Buncher 9 controls the velocity of rotation of runner 4 by rotating shaft.Buncher 9 and controlling switch 2 are connected in emission rate
With control tranmitting frequency and impulsive force size on controller 10.When runner 4 turns to discharger emission port, the high speed of cylinder 1
Gas drives rapidly taper impact 5 impact experiment safeguard structure 6 of bullet, while monitoring taper impact by high-speed camera 7
The overall process of the impact of bullet 5, monitors the strain variation process under the 6 bump effect of experiment safeguard structure by foil gauge (65).
As 5 battery has fired of bullet is impacted in all of taper that rotates up to of runner 4.Boundary plates (64) are one piece of friction systems
The big hardboard of number, to simulate two lateral boundary conditions of impact structure stress.
Above-mentioned improved beneficial effect is：
(1) employ the continuous transmitting that rotary-type discharger realizes bullet.As chip stream to safeguard structure is
One continuous impact process, traditional impact test apparatus are merely able to realize single-shot single-impact because cannot be directly used to broken
Bits stream shock effect simulation.Turn a runner 4 in 3 front end of discharger peace for this, runner 4 is turned by the rotating shaft being fixedly connected
Dynamic, rotating shaft is connected to buncher 9, and buncher 9 controls the velocity of rotation of runner 4.Taper impact bullet 5 is placed in runner 4
In interior cartridge chamber, after one taper impact bullet 5 of transmitting, runner 4 is turned at another cartridge chamber, while preparing transmitting second
Bullet 5 is impacted in taper.According to the change curve of chip stream impulsive force, buncher 9 is controlled by emission rate controller 10
Rotating manner and velocity of rotation are to control the frequency of impact of drift, while emission rate controller 10 is also connected with controlling switch 2
To control to select different impulsive force sizes during impulsive force every ballistic projections of size, so as to realize different impulsive force continuous punchings
Hit.
(2) test 6 thing of safeguard structure realize it is adjustable controllable, so as to simulate the chip stream safeguard structure of multi-form.
The chip stream safeguard structure of different terrain landforms is not quite similar, especially the boundary condition of safeguard structure.And boundary condition is direct
Affect the structural stress strain distribution under percussion.Traditional experiment equipment adopts fixed boundary condition, this side
The transmission of impact forces of boundary's term restriction, thus it is difficult to the ess-strain of works under accurate simulation percussion.This examination
Experiment device employs the mode of hydraulic control boundary condition, applies different boundary stresses so as to mould according to different boundary conditions
Intend the boundary condition of different structure.
Install the boundary condition of network structure test material simultaneously additional, it is network structure thing is solid using anchor line and anchor line joint
It is scheduled on boundary wall and fixing end can be installed additional according to actual working conditions and is connect with simulating the netted protection under the conditions of different tests
The impact resistance of head.
(3) optimization Test apparatus structure, improves test efficiency.This test structure is mainly characterized by, a taper punching
Hitting rapid rotation of runner 4 after the completion of bullet 5 impacts makes second impact drift in transmitting position, launches second according to test requirements document
Individual drift is until simulated the impulsive force after the completion of the impact of chip stream.By the full mistake of 7 monitoring protection structural deterioration of high-speed camera
Journey, the deformation arranged on experiment safeguard structure 6 under foil gauge (65) monitoring percussion, is existed with research experiment safeguard structure 6
Stability under percussion.
Assay device can simulate the safeguard structure of different structure, including brick mix structure, reinforced concrete structure, steel mesh etc.
The stability of rigidity or flexible structure under the effect of chip stream, it is also possible to simulate percussion of the Rolling Stone to safeguard structure.Though
So which can only simulate the percussion at whole safeguard structure one, but which can simulate the percussion in continuous time, and
The character of drift, different impacts of the shock surface to safeguard structure of simulation can be changed.Its main thought is hypothesis safeguard structure list
The stress at place is as shown in Figure 1.By choosing flex point or maximin point on stress path, P1 as shown in Figure 5, P2,
Impact stress of the impact stress of P3, P4 as experimental simulation.Can completing indoors for the device, can complete novel protective
The exploitation checking work of structure, test efficiency are high, and experimentation cost is low, flexible operation.
Claims (2)
1. chip stream safeguard structure impact test device, it is characterised in that including cylinder (1), discharger (3), runner (4),
Taper impact bullet (5), high-speed camera (7) and experiment safeguard structure (6)；
Cylinder (1) is connected to discharger (3), and discharger (3) arranges controlling switch (2) to control the size of impulsive force；Send out
Injection device is connected to the runner (4) of cylinder, and runner (4) has six cartridge chambers, and cartridge chamber is respectively provided with taper impact bullet (5)；
Buncher (9) is connected with the rotating shaft of runner (4), and buncher (9) and controlling switch (2) connect emission rate control respectively
Device (10) processed；
Experiment safeguard structure (6) is installed in front of the transmitting of runner (4), high-speed camera is installed before experiment safeguard structure (6)
(7)。
2. chip stream safeguard structure impact test device according to claim 1, it is characterised in that described experiment protection
Foundation trench (63), protection network (67) of the structure (6) including bottom, protection network (67) bottom are arranged in foundation trench (63), protection network
(67) there are a boundary plates (64) both sides, boundary plates (64) by hydraulic column (61) on fixed wall (62), on protection network (67)
It is provided with around impact zone (66), impact zone (66) and foil gauge (65) is distributed with, described foil gauge (65) is connected with deformeter 8
Connect；Described protection network (67) is fixed on fixed wall (62) by anchor line (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143877.7U CN206095571U (en) | 2016-10-21 | 2016-10-21 | Pyroclastic flow protective structure impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143877.7U CN206095571U (en) | 2016-10-21 | 2016-10-21 | Pyroclastic flow protective structure impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095571U true CN206095571U (en) | 2017-04-12 |
Family
ID=58484481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621143877.7U Withdrawn - After Issue CN206095571U (en) | 2016-10-21 | 2016-10-21 | Pyroclastic flow protective structure impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300454A (en) * | 2016-10-21 | 2017-10-27 | 中国科学院、水利部成都山地灾害与环境研究所 | Chip stream safeguard structure impact test device |
-
2016
- 2016-10-21 CN CN201621143877.7U patent/CN206095571U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300454A (en) * | 2016-10-21 | 2017-10-27 | 中国科学院、水利部成都山地灾害与环境研究所 | Chip stream safeguard structure impact test device |
| CN107300454B (en) * | 2016-10-21 | 2023-04-14 | 中国科学院、水利部成都山地灾害与环境研究所 | Clastic flow protective structure impact test device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20230414 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20230414 |