CN105571885B - Simulate deepwater environment explosion testing device - Google Patents

Simulate deepwater environment explosion testing device Download PDF

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Publication number
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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pressure vessel
apron
opening
testing device
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CN105571885A (en
Inventor
刘建湖
汪俊
杨云川
毛海斌
郝轶
周章涛
黄亚平
张显丕
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702th Research Institute of CSIC
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702th Research Institute of CSIC
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass

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  • General Physics & Mathematics (AREA)
  • 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

Simulate deepwater environment explosion testing device
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.
CN201510967326.6A 2015-12-22 2015-12-22 Simulate deepwater environment explosion testing device Active CN105571885B (en)

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CN105956353A (en) * 2016-07-18 2016-09-21 长江重庆航道工程局 Method and device for simulation distribution of underwater blasting shock relieve vents
CN106932163A (en) * 2017-03-21 2017-07-07 哈尔滨工程大学 The equivalent loading experimental apparatus of underwater explosion shock wave of fixed-end boundary condition
CN108037015A (en) * 2017-12-17 2018-05-15 四川航空工业川西机器有限责任公司 A kind of large diameter ultra high pressure cylinder for deep sea pressure simulation test
CN109335315B (en) * 2018-09-18 2019-12-03 江苏工搪化工设备有限公司 A kind of closed glass-lined equipment pressure vessel of nitrogen charging formula
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
CN111189525B (en) * 2020-01-09 2022-01-11 哈尔滨工程大学 Underwater explosion sound source acoustic power measuring device

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