CN105571885B - Simulate deepwater environment explosion testing device - Google Patents
Simulate deepwater environment explosion testing device Download PDFInfo
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- CN105571885B CN105571885B CN201510967326.6A CN201510967326A CN105571885B CN 105571885 B CN105571885 B CN 105571885B CN 201510967326 A CN201510967326 A CN 201510967326A CN 105571885 B CN105571885 B CN 105571885B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Deepwater environment explosion testing device, including spherical tank shape pressure vessel are simulated, opening is carried at the top of pressure vessel, the upper opening portion is covered with end socket by clip sealing, and the opening outside wall surface is connected with operating platform;The top and bottom of pressure vessel are respectively equipped with pressurization mouth and the mouth of a river;Pressure vessel is embedded in foundation, and pressurization mouth, opening, end socket, operating platform and the clip are exposed independent from ground;The open bottom is provided with apron, and apron stretches into pressure vessel, and the bottom of apron is located at the top at pressure vessel center, and apron carries axially extending bore, and apron is by the axially extending bore with being connected inside the opening, pressure vessel;Multiple damping springs are connected between pressure vessel and foundation, damping spring includes the multiple vertical damping springs for being located at pressure vessel bottom and the multiple horizontal shock-absorbing springs for being symmetrically arranged at pressure vessel both sides.The present invention can meet that maximum water depth is the explosive test requirement under 600m depth conditions.
Description
Technical field
The present invention relates to simulation underwater environment explosive test technical field, and in particular to simulation deepwater environment explosive test dress
Put.
Background technology
Underwater Explosion test research typically uses laboratory test and field test.Because field test cost is high, uncertain
Factor is more and poor repeatability, by contrast, passes through the method full of aqueous medium in explosive test container and simulates underwater explosion
The laboratory test of environment is economical and easily implemented.The depth of water is one of influence factor of Effects of Subsurface Explosion and blast equipment performance,
, can be by being pressurizeed in container to simulate different water depth environment, further carrying out simulation deep water according to the depth of water and the relation of pressure
Explosive test research under environment.
Under the conditions of underwater explosion, the pressure-resistance structure of submarine or bathyscaph will bear two kinds of load of hydrostatic pressure and underwater explosion
Synergy, compared with the explosion environment under shallow water conditions, there is following 2 points of notable difference in underwater explosion:One, static pressure
Presence can make underwater explosion loading, significant changes occur for especially shot bubble load, during underwater explosion bubble radius diminish,
Pulsation period shortens, fluctuation pressure raises, and these changes have sizable shadow to the shock environment of structural damage and equipment
Ring;Two, under the conditions of underwater explosion, when submerged structure deforms under Explosion Loading, outside hydrostatic pressure continues
Constantly submerged structure is done work, after this part work(is absorbed by submerged structure and the deformation of submerged structure can be increased, and shallow water bar
Malformation increment almost can be ignored as caused by static pressure work done under part.Therefore, the water of the deep sea equipments such as submarine is carried out
, it is necessary to consider the influence of external hydrostatic water pressure power during lower explosive test.It is mostly complete that existing Underwater Explosion test device, which is,
As for the small test device on ground, pressurization is small, and the blast charge that can be born is small, and does not account for environmental pressure to blast
The influence of bubble, therefore, the deepwater environment simulation of its deepwater environment explosive test simulation is very limited.
The content of the invention
The applicant is improved for disadvantages mentioned above of the prior art, there is provided a kind of large-scale simulation deepwater environment is quick-fried
Fried experimental rig, it is the Underwater Explosion test requirement under 600m depth conditions that can meet maximum water depth, and reduces environmental pressure
Change the influence to shot bubble dilation, improve the reliability of experiment.
Technical scheme is as follows:
Deepwater environment explosion testing device, including the pressure vessel in spherical tank shape are simulated, the top of pressure vessel, which carries, opens
Mouthful, the upper opening portion is covered with end socket by clip sealing, and the opening outside wall surface is connected with operating platform, and operating platform is another
One end is fixed on pressure vessel by support;The top and bottom of pressure vessel are respectively equipped with pressurization mouth and the mouth of a river;Pressure is held
Device is embedded in foundation, and pressurization mouth, opening, end socket, operating platform and the clip are exposed independent from ground;The open bottom is set
There is apron, apron stretches into pressure vessel, and the bottom of apron is located at the top at pressure vessel center, and apron carries axially extending bore,
Apron is by the axially extending bore with being connected inside the opening, pressure vessel;Connected between pressure vessel and foundation
There are multiple damping springs, damping spring includes being located at multiple vertical damping springs of pressure vessel bottom and is symmetrically arranged at pressure appearance
Multiple horizontal shock-absorbing springs of device both sides.
Its further technical scheme is:
The damping spring includes the helical spring one and helical spring two being arranged on fixed mount, fixed mount one end and pressure
Force container outside wall surface is affixed, and the fixed mount other end and foundation are affixed.
Multiple lateral vibration absorbing springs have been arranged symmetrically in the upper and lower both sides of pressure vessel trans D;Foundation bottom
For with the symmetrical cascaded surface of pressure vessel central axis, multiple vertical damping springs are transversely provided with the cascaded surface, and it is more
Individual vertical damping spring is symmetricly set on the both sides of pressure vessel central axis.
The fixed mount of the lateral vibration absorbing spring is affixed by link one and pressure vessel outside wall surface, the Vertical Vibration Reduction
The fixed mount of spring is affixed by link two and pressure vessel outside wall surface, and the quantity of link two is one, the multiple to hang down
It is fixed on link two to the fixed mount of shock-absorbing spring, or the quantity of link two is two, two links two are symmetrical
The both sides of pressure vessel central axis are located at, the multiple Vertical Vibration Reduction spring positioned at pressure vessel central axis side is consolidated
Determine frame and be fixed on the link two of homonymy the distance between the bottom of the apron and pressure vessel central axis to be more than pressure
The a quarter of force container internal diameter.
The left and right both ends of the trans D of the pressure vessel are arranged with observation window, the observation window include window seat and
Emissive plastic glazing, window seat outer surface is tapered, and inside carries bellmouth, and emissive plastic glazing is tapered, and emissive plastic glazing
Taper is consistent with the taper avoided in the bellmouth of window seat, and emissive plastic glazing is arranged in the bellmouth of window seat.
The pressure vessel, end socket, apron use 13MnNiMoR, and clip, window seat use 20MnMo IV.
The internal diameter of the pressure vessel is 7m, and the internal diameter of the opening is 1.6m.
The technique effect of the present invention:
It is of the invention compared with traditional Underwater Explosion test device, the present invention is Large Underwater explosion experimental facility.Wherein,
7m internal diameters, the buried spherical tank shape pressure vessel of major part with 1.6m and selection special substance can carry out pressurization 6Mpa
Under the conditions of maximum 1KgTNT packs Underwater Explosion test, with existing design pressure 2Mpa, the blast charge that can be born be 1.
GTNT or so small-sized Underwater Explosion test device is compared, and can meet that the underwater explosion that maximum water depth is 600m deep water conditions tries
Test requirement;Apron is being set below the opening at the top of pressure vessel so that when pressure vessel pressurizes, hold in apron and pressure
Gas has been reserved automatically at the neck neck of opening described in device, is formd " buffering pneumatic cushion ", is thus reduced ambient pressure variations pair
The influence of shot bubble expansion compression;By the special arrangement of horizontal, vertical damping spring, exploded when can effectively obstruct experiment
Impact the transmission to foundation.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the present invention.
Fig. 2 is A portions enlarged drawing in Fig. 1.
Wherein:1st, pressure vessel;101st, pressurize mouth;102nd, the mouth of a river;2nd, end socket;3rd, clip;4th, operating platform;5th, apron;
6th, foundation;7th, damping spring;701st, helical spring one;702nd, helical spring two;703rd, fixed mount;8th, link one;9、
Link two;10th, window seat;11st, emissive plastic glazing;12nd, support;13rd, sealing ring.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is illustrated.
See Fig. 1, Fig. 2, the simulation deepwater environment explosion testing device of the present embodiment includes the pressure vessel 1 in spherical tank shape,
The top of pressure vessel 1 carries opening, the opening and inlet and outlet, and the upper opening portion is covered with end socket by the sealing of clip 3
2, end socket 2 is elliposoidal, and sealing ring 1,3, the opening outer wall are provided between the lower surface of end socket 2 and the upper surface of the opening
Face is connected with operating platform 4, and the other end of operating platform 4 is fixed on pressure vessel 1 by support 12, operating platform 4 mainly for
Operating personnel assemble and disassemble large-scale clip 3;The top and bottom of pressure vessel 1 are respectively equipped with pressurization mouth 101 and the mouth of a river 102, the mouth of a river 102
Also serve as the water filling port and discharge outlet of pressure vessel 1;Most of structure of pressure vessel 1 is embedded in foundation 6, and the mouth that pressurizes
101st, the opening, end socket 2, operating platform 4 and clip 3 are exposed independent from ground;The open bottom is provided with apron 5, and apron 5 stretches into
Pressure vessel 1, the bottom of apron 5 are located at the top at the center of pressure vessel 1, are further arranged that bottom and the pressure of apron 5
The distance between central axis of container 1 is more than a quarter of the internal diameter of pressure vessel 1, and apron 5 carries axially extending bore, and apron 5 is logical
The axially extending bore is crossed with being connected inside the opening, pressure vessel 1;It is connected between pressure vessel 1 and foundation 6 more
Individual damping spring 7, damping spring 7 include being located at multiple vertical damping springs of the bottom of pressure vessel 1 and are symmetrically arranged at pressure appearance
Multiple horizontal shock-absorbing springs of the both sides of device 1.
See Fig. 2, the damping spring includes the helical spring 1 and helical spring two being arranged on fixed mount 703
702, the one end of fixed mount 703 and the outside wall surface of pressure vessel 1 are affixed, and the other end of fixed mount 703 and foundation 6 are affixed.In pressure
The upper and lower both sides of the trans D of container 1 have been arranged symmetrically multiple lateral vibration absorbing springs;The bottom of foundation 6 is with pressure vessel 1
The symmetrical cascaded surface of central axis, specifically, fluted as opening up downwards on the bottom of foundation 6, the groove is positioned at pressure
The underface at the center of force container 1, is transversely provided with multiple vertical damping springs on the cascaded surface, i.e., the bottom of described groove with
And foundation 6 does not open up and multiple vertical damping springs are equipped with the ground of groove, and multiple vertical damping springs are symmetrically set
Put in the both sides of the central axis of pressure vessel 1.Further, the fixed mount 703 of the lateral vibration absorbing spring by link 1 with
The outside wall surface of pressure vessel 1 is affixed, and the fixed mount 703 of the Vertical Vibration Reduction spring passes through link 29 and the outside wall surface of pressure vessel 1
Affixed, the quantity of link 29 is one, and the fixed mount 703 of the multiple Vertical Vibration Reduction spring is fixed in link 29
On, or the quantity of link 29 is two, two links 29 are symmetrically arranged at the both sides of the central axis of pressure vessel 1, are located at
The fixed mount 703 of the multiple Vertical Vibration Reduction spring of the central axis side of pressure vessel 1 is fixed in the link 29 of homonymy
On.Wherein, damping spring 7 can also use prior art, automobile-used damping spring of falling in lines.
Further, for the ease of observation pressure vessel 1 in situation, the trans D of the pressure vessel 1 it is left and right
Both ends are arranged with observation window, and observation window includes window seat 10 and emissive plastic glazing 11, and the outer surface of window seat 10 is tapered, and internal band
There is bellmouth, emissive plastic glazing 11 is tapered, and the taper avoided in the bellmouth of the taper of emissive plastic glazing 11 and window seat 10
Unanimously, emissive plastic glazing 11 is arranged in the bellmouth of window seat 10.
The pressure vessel 1, end socket 2, apron 5 use 13MnNiMoR, and clip 3, window seat 10 use 20MnMo IV.
The preferred embodiments of the present invention shown in Fig. 1, the internal diameter of the pressure vessel 1 is 7m, and the internal diameter of the opening is
1.6m, seawater is injected into pressure vessel 1 and reaches test pressure, thus, it is possible to simulate the depth that maximum water depth is 600m depth conditions
Extra large seawater pressure environment, coordinate selection and the most of buried structure setting of pressure vessel of pressure vessel material, make
6Mpa can be forced into by obtaining the pressure vessel 1 of the embodiment, and the blast charge maximum that can be born is to 1KgTNT;In pressure vessel
1 opening sets apron 5, and apron 5 inside the opening, pressure vessel 1 with communicating so that is pressurizeed in pressure vessel 1
When, gas is being reserved automatically at the neck neck of opening described in apron 5 and pressure vessel 1, is formd " buffering pneumatic cushion ", is reduced
Ambient pressure variations expand the influence of compression to shot bubble.
Above description is explanation of the invention, is not the restriction to invention, limited range of the present invention is referring to right
It is required that within protection scope of the present invention, any type of modification can be made.
Claims (8)
1. deepwater environment explosion testing device is simulated, including the pressure vessel in spherical tank shape(1), it is characterised in that:Pressure vessel
(1)Top carry opening, the upper opening portion passes through clip(3)Sealing is covered with end socket(2), it is described opening outside wall surface it is affixed
There is operating platform(4), operating platform(4)The other end passes through support(12)It is fixed in pressure vessel(1)On;Pressure vessel(1)'s
Top and bottom are respectively equipped with pressurization mouth(101)And the mouth of a river(102);Pressure vessel(1)It is embedded in foundation(6)Interior, pressurize mouth
(101), the opening, end socket(2), operating platform(4)And clip(3)It is exposed independent from ground;The open bottom is provided with apron
(5), apron(5)Stretch into pressure vessel(1), and apron(5)Bottom be located at pressure vessel(1)The top at center, apron(5)Band
There are axially extending bore, apron(5)Pass through the axially extending bore and the opening, pressure vessel(1)Inside connects;Pressure vessel
(1)With foundation(6)Between be connected with multiple damping springs(7), damping spring(7)Including being located at pressure vessel(1)Bottom
Multiple vertical damping springs and be symmetrically arranged at pressure vessel(1)Multiple horizontal shock-absorbing springs of both sides.
2. the simulation deepwater environment explosion testing device as described in claim 1, it is characterised in that:The damping spring includes
It is arranged on fixed mount(703)On helical spring one(701)With helical spring two(702), fixed mount(703)One end holds with pressure
Device(1)Outside wall surface is affixed, fixed mount(703)The other end and foundation(6)It is affixed.
3. the simulation deepwater environment explosion testing device as described in claim 2, it is characterised in that:In pressure vessel(1)Laterally
The upper and lower both sides of diameter have been arranged symmetrically multiple lateral vibration absorbing springs;Foundation(6)Bottom is with pressure vessel(1)Center
The cascaded surface of axisymmetrical, multiple vertical damping springs, and multiple vertical damping springs pair are transversely provided with the cascaded surface
Title is arranged on pressure vessel(1)The both sides of central axis.
4. the simulation deepwater environment explosion testing device as described in claim 3, it is characterised in that:The lateral vibration absorbing spring
Fixed mount(703)Pass through link one(8)With pressure vessel(1)Outside wall surface is affixed, the fixed mount of the Vertical Vibration Reduction spring
(703)Pass through link two(9)With pressure vessel(1)Outside wall surface is affixed, link two(9)Quantity be one, it is the multiple
The fixed mount of Vertical Vibration Reduction spring(703)It is fixed in link two(9)On, or link two(9)Quantity be two, two
Link two(9)It is symmetrically arranged at pressure vessel(1)The both sides of central axis, positioned at pressure vessel(1)The institute of central axis side
State the fixed mount of multiple Vertical Vibration Reduction springs(703)It is fixed in the link two of homonymy(9)On.
5. the simulation deepwater environment explosion testing device as described in claim 1, it is characterised in that:The apron(5)Bottom
With pressure vessel(1)The distance between central axis is more than pressure vessel(1)The a quarter of internal diameter.
6. the simulation deepwater environment explosion testing device as described in claim 1, it is characterised in that:The pressure vessel(1)'s
The left and right both ends of trans D are arranged with observation window, and the observation window includes window seat(10)And emissive plastic glazing(11), window seat
(10)Outer surface is tapered, and inside carries bellmouth, emissive plastic glazing(11)It is tapered, and emissive plastic glazing(11)Taper
With window seat(10)The bellmouth internal face taper it is consistent, emissive plastic glazing(11)Installed in window seat(10)The taper
Kong Zhong.
7. the simulation deepwater environment explosion testing device as described in claim 1, it is characterised in that:The pressure vessel(1), envelope
Head(2), apron(5)Use 13MnNiMoR, clip(3), window seat(10)Use 20MnMo IV.
8. the simulation deepwater environment explosion testing device as described in claim 1, it is characterised in that:The pressure vessel(1)'s
Internal diameter is 7m, and the internal diameter of the opening is 1.6m.
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CN201510967326.6A CN105571885B (en) | 2015-12-22 | 2015-12-22 | Simulate deepwater environment explosion testing device |
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CN201510967326.6A CN105571885B (en) | 2015-12-22 | 2015-12-22 | Simulate deepwater environment explosion testing device |
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CN105571885B true CN105571885B (en) | 2017-11-10 |
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CN109596666A (en) * | 2018-12-29 | 2019-04-09 | 北京理工大学 | It is a kind of for simulating the explosion experimental facility of underwater free field environment |
CN110006816B (en) * | 2019-05-21 | 2023-12-05 | 烟台宏远氧业股份有限公司 | Deep sea environment simulation device |
CN110196148B (en) * | 2019-06-25 | 2020-12-22 | 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) | Glass fiber reinforced plastic radial support impact strength test method and test tool thereof |
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