CN106990001B - A kind of control of impact energy and detection device - Google Patents

A kind of control of impact energy and detection device Download PDF

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Publication number
CN106990001B
CN106990001B CN201710241399.6A CN201710241399A CN106990001B CN 106990001 B CN106990001 B CN 106990001B CN 201710241399 A CN201710241399 A CN 201710241399A CN 106990001 B CN106990001 B CN 106990001B
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impact
piston
cavity
blind hole
ring
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CN106990001A (en
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李维嘉
孙在军
吴耀中
兰秋华
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of control of impact energy and detection devices, belong to mechano-electronic field, which includes impact cavity components, impacting head assembly, superhigh pressure sensor, transfer block, shut-off valve.Impacting head assembly is set in impact cavity components, and the cavity between impact cavity components and impacting head assembly is pre-charged with high pressure air-liquid blending agent.By adjusting high pressure air-liquid blending agent pressure, it can be achieved that impact energy maximum value control.Superhigh pressure sensor is pre-charged with the cavity of high pressure air-liquid blending agent by transfer block connection, for detecting the pressure of the high pressure air-liquid blending agent of preliminary filling in impact cavity, realizes and acts on by the dynamic process test of the impact energy of test specimen.Shut-off valve is connected to cavity also by transfer block.Apparatus of the present invention may be repeated the control and detection of impact energy, compact-sized simple, long service life.

Description

A kind of control of impact energy and detection device
Technical field
The invention belongs to mechano-electronic fields especially to exist more particularly, to a kind of control of impact energy and detection device When new material, new product carry out impact test, the control and detection of impact energy can be carried out.
Background technique
New material, new product R&D process in, it is often necessary to new material, new product carry out impact property test.It is right Impact operating condition energy controlled and detected, means are more deficient, especially under high-strength impact load, to new material, The impact energy that new product is subject to, which is controlled and detected, seems especially prominent.
It, can if the impact working condition tests of energy-controllable can be carried out to new material, new product when implementing impact test To significantly reduce developing risk, save research and development cost.Therefore, it is necessary to develop a kind of simple structure, high-efficient, long service life, It is easily achieved controllable impact energy and the impact energy control detected and detection device.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of control of impact energy and detection dresses It sets, it is intended that impacting head assembly setting is arranged between impact cavity components and impacting head assembly in impact cavity components There is cavity, controls the pressure size of preliminary filling high-pressure gas-liquid blending agent in cavity, the setting of maximum impact force may be implemented.With punching Component of tapping the head impacts test specimen, and test specimen can generate reaction force to impact head, the size and dynamic mistake of active force simultaneously Journey can be measured by being connected to the superhigh pressure sensor of cavity, it is thus achieved that the detection of impact energy.Apparatus of the present invention structure It is compact it is simple, low energy consumption, it is reusable, be easily achieved quantification operation.
To achieve the above object, the present invention provides a kind of control of impact energy and detection devices comprising impact cavity Component, impacting head assembly, superhigh pressure sensor, switching block assembly and shut-off valve, wherein the impact cavity components include blind Hole cavity, fixture nut, damping cushion block, copper sheathing and ultra-high voltage sealing ring, copper sheathing are set to the blind hole internal surface of blind hole cavity, lead to The fixed copper sheathing of fixture nut is crossed, ultra-high voltage sealing ring is set in the blind via bottom groove of blind hole cavity, sealing blind hole cavity Blind hole inner wall and copper sheathing contact surface, damping cushion block are pasted onto the surface of fixture nut using damping glue, worked as a buffer.
Impacting head assembly includes impact piston, small piston, A type O-ring, hexagon socket head cap screw, capping, the first combination sealing Circle, Type B O-ring and guide ring, for example two the first combined seal rings connect to seal with copper sheathing for impact piston outer surface setting Contacting surface, impact piston medium design are through-hole structure, mitigate weight, small piston is set in impact piston intermediate throughholes, small work Plug small end is sealed using for example two A type O-rings to be used with impact piston contact surface, small piston big end (namely piston head end) Type B O-ring come seal with impact piston contact surface, be oriented to using guide ring, first be provided between small piston and impact piston Cavity, the first cavity preliminary filling Number 10 aviation hydraulic oil play lubricating action, and capping is set to impact piston right end, using interior six Corner bolt is fixed at impact piston port, and capping exposed face is spherical surface, this structure design of impact piston, small piston, can be with It reduces in impact process, energy loss when impact piston buffers.
Block assembly setting transfer in impact cavity components upper surface, by the way that the taper hole above impact cavity and impact is arranged in Cavity components form sealing, and switching block assembly includes transfer block and bolt, and transfer block is fixed on punching by for example four bolts It hits on the blind hole cavity of cavity components.
The one side of switching block assembly is arranged in superhigh pressure sensor, using the second combined seal ring sealing super-pressure sensing The contact surface of device and transfer block.
Shut-off valve is arranged on the blind hole cavity of impact cavity components also by transfer block, and shut-off valve passes through steel on shut-off valve The taper hole of pipe connect sealing with transfer block.
In the present invention, the impacting head assembly is mounted as a whole in impact cavity components, in the impact cavity components and The second cavity inside that impacting head assembly is formed is pre-charged with high pressure air-liquid blending agent.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show Beneficial effect:
In use, impact energy detection device of the invention is connected with extraneous elliptical gear body, elliptical gear body exists Under the action of power source, drives impact energy of the invention to control and moved together with detection device, pass through impact energy amount detection device The impacting head assembly impact test specimen set, test specimen can generate reaction force acts on impacting head assembly simultaneously, act on The size and dynamic process of power can be measured by superhigh pressure sensor, it is thus achieved that the detection of impact energy;This hair simultaneously The pressure size of the high pressure air-liquid blending agent of preliminary filling is adjustable inside bright device, and the setting of maximum impact force may be implemented.
Apparatus of the present invention can carry in laboratory conditions to provide the impact that detection is born in impact process by test specimen Lotus can carry out repeating test, this detection device has the advantages that low energy consumption, expense is small for verifying by the mechanical property of test specimen. It is ingenious in design, reusable, low energy consumption, safe and reliable in addition, apparatus of the present invention are simple and compact for structure, it is easy to accomplish automatic Detection and quantification operation.
Detailed description of the invention
Fig. 1 is impact energy control a kind of in the embodiment of the present invention and the integrally-built three-dimensional figure of detection device;
Fig. 2 is the schematic cross-sectional view of device in Fig. 1;
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1, cavity components 2, impacting head assembly 3, superhigh pressure sensor are impacted
4, switching block assembly 5, shut-off valve 6, blind hole cavity
7, impact piston 8, small piston 9, A type O-ring
10, hexagon socket head cap screw 11, capping 12, fixture nut
13, cushion block 14, the first combined seal ring 15, copper sheathing are damped
16, Type B O-ring 17, guide ring 18, the second combined seal ring
19, transfer block 20, bolt 21, ultra-high voltage sealing ring
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that Not constituting conflict between this can be combined with each other.
Fig. 1 is impact energy control and the integrally-built three-dimensional figure of detection device of the embodiment of the present invention, as seen from the figure, Including impact cavity components 1, impacting head assembly 2, superhigh pressure sensor 3, switching block assembly 4 and shut-off valve 5.Wherein, it impacts In impact cavity components 1, superhigh pressure sensor 3 and shut-off valve 5 are being rushed by the switching setting of block assembly 4 setting of head assembly 2 It hits on cavity components 1.Impact cavity components 1 are used as mounting body, there is deep blind hole among it, and impacting head assembly 2 is arranged in blind hole It is interior, it can be moved along blind hole axis, pore channels are provided on blind hole side wall and are connected to shut-off valve 5 and superhigh pressure sensor 3.It cuts Only valve 5 and superhigh pressure sensor 3 are fixed on by block assembly 4 of transferring impacts 1 outside wall surface of cavity components.The impact cavity components The second cavity is formed between 1 and impacting head assembly 2.
Fig. 2 is the machine construction principle schematic cross-sectional view of device in Fig. 1, and as seen from the figure, apparatus of the present invention further include blind hole Cavity 6, impact piston 7, small piston 8, A type O-ring 9, hexagon socket head cap screw 10, capping 11, fixture nut 12, damping cushion block 13, First combined seal ring 14, copper sheathing 15, Type B O-ring 16, guide ring 17, the second combined seal ring 18, transfer block 19, bolt 20 (specification of bolt is for example M10x50) and ultra-high voltage sealing ring 21.
Wherein, the impact cavity components 1 include blind hole cavity 6, fixture nut 12, damping cushion block 13, copper sheathing 15 and Ultra-high voltage sealing ring 21, wherein the copper sheathing 15 is arranged in the blind hole of blind hole cavity 6, and fixture nut 12 is fixed on blind hole mouth Portion, for fixing copper sheathing 15, damping cushion block 13 is arranged in 12 endface of fixture nut, and, super-pressure adjacent with 15 one end of copper sheathing Sealing ring 21 is arranged between 15 outside wall surface of blind via bottom inner wall and copper sheathing of blind hole cavity 6, and another with the copper sheathing 15 It holds adjacent.
The impacting head assembly 2 includes impact piston 7, small piston 8, A type O-ring 9, hexagon socket head cap screw 10, capping 11, the One combined seal ring 14, Type B O-ring 16 and guide ring 17, wherein the impact piston 7 is arranged in the copper sheathing 15, institute It states 7 outside wall surface of impact piston and is provided with the first combined seal ring 14, it is close for 7 outside wall surface of impact piston and 15 inner wall of copper sheathing Envelope, the small piston 8 are arranged in three rank through-holes among impact piston 7, and described small piston one end has piston head and another End has piston rod, and piston head is accommodated at the maximum inner diameter of three rank through-holes, and the minimum diameter of three rank through-holes is arranged in piston rod Locate, is sealed at the piston head of the small piston 8 using three rank through-hole wall faces of Type B O-ring 16 and impact piston 7, small piston 8 Piston rod at sealed using three rank through-hole wall faces of A type O-ring 9 and impact piston 7, be provided with and lead in piston head outside wall surface To ring 17, for the slide-and-guide between small piston 8 and impact piston 7, the capping 11 is fixed on using hexagon socket head cap screw 10 The end of the impact piston 7 is so that 11 lid of capping is closed in 7 end of impact piston.
The first cavity is formed between 8 outside wall surface of the three ranks through-hole wall face and the small piston, is filled in first cavity Being full of has aircraft fluid.Air-liquid blending agent is pre-charged in second cavity.
Gas is high pressure nitrogen in the air-liquid blending agent, and the liquid of the air-liquid blending agent is hydraulic air Oil.
In one embodiment of the invention, 11 exposed faces of the capping are spherical surface.Such setting this have the advantage that So that the rum point of impact head and test specimen is betided the near axis of the two, reduces the shape during testing to test specimen It is required that.
It, can be according to subject filled with high-pressure gas-liquid blending agent or liquid medium in first cavity II and the second cavity I The pressure of the maximum impact force of part, setting air-liquid blending agent reaches setting value.Small piston 8, which is mounted among impact piston 7, to be led to In hole, impact energy can be applied to by test specimen by when impact, and the second cavity I of small piston 8 is marked with Number 10 aviation hydraulic oil.
Block assembly setting transfer in impact cavity components upper surface, by the way that the taper hole above impact cavity and impact is arranged in Cavity components form sealing, and switching block assembly includes transfer block and bolt, and transfer block is fixed on punching by for example four bolts It hits on the blind hole cavity of cavity components.
In the present invention, the one side of switching block assembly 4 is arranged in superhigh pressure sensor 3, using the second combined seal ring 18 Seal the contact surface (switching block assembly includes transfer block and bolt) of superhigh pressure sensor 3 and transfer block 19, superhigh pressure sensor 3 For measuring the Pressure behaviour data of the blending agent of impact 1 cavity II of cavity components.Shut-off valve 5 is arranged also by transfer block 19 On the blind hole cavity 6 of impact cavity components 1, shut-off valve 5 connect sealing with transfer block 19 by the taper hole of steel pipe on shut-off valve.
The course of work of apparatus of the present invention includes the following steps:
Preset the stage: according to the setting value of the Maximal shock load needed by test specimen, to impact 1 cavity of cavity components Preliminary filling high pressure nitrogen and Number 10 aviation hydraulic oil medium are carried out inside II, so that air-liquid blending agent is reached required pressure, and protect It holds closed.
Adjusting stage: impact energy control and detection device are fixed with one with extraneous movable body, adjusted by test specimen Heart position makes by test specimen center and 2 central axis of impacting head assembly concentrically or coaxially.Wherein, impacting head assembly 2 is mounted on by test specimen Face direction on, to guarantee to be struck by impacting head assembly.
Working stage: starting extraneous movable body, makes impact energy control and detection device with movable body high-speed motion, Impacting head assembly 2 impact on its face direction by test specimen, while can height in compression shock cavity components 1 in first cavity II Nitrogen and for example Number 10 aviation hydraulic oil medium are pressed, the superhigh pressure sensor 3 on switching block assembly 4 is set for detecting impact Pressure dynamic data by processing pressure dynamic data obtains the data of impact energy in first cavity II in cavity components 1. 8 big end of small piston (namely piston head end) pressure by high pressure air-liquid blending agent simultaneously, by 8 pressurization of small piston, It is transmitted to by the tailpiece of the piston rod and capping 11 of small piston 8 by test specimen, such design can reduce the energy loss of impact process.
Apparatus of the present invention are interior filled with high pressure air-liquid blending agent by adjusting the first cavity II in impact cavity components 1 Pressure can have the function that detect different impact.
In the present invention, impact energy detection device is connected with extraneous elliptical gear body (namely movable body), elliptical gear Body is under the action of power source, and by the impact head impact test specimen of impact energy detection device, test specimen can produce simultaneously The raw active force for reacting on impact head, the size and dynamic process of active force can be measured by superhigh pressure sensor, thus Realize the detection of impact energy;Simultaneously inside apparatus of the present invention the high-pressure gas-liquid blending agent of preliminary filling pressure size, can be with Realize the setting of maximum impact force.Apparatus of the present invention it is compact-sized it is simple, low energy consumption, it is reusable, be easily achieved quantification Operation.In addition, the safety of apparatus of the present invention is good, repeats test, developing risk can be reduced, save research and development cost.
Apparatus of the present invention can mating test macro, the dynamic data that superhigh pressure sensor transmits can be recorded in real time, complete The test of impact energy, data analysis storage in impact process.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include Within protection scope of the present invention.

Claims (5)

1. a kind of impact energy control and detection device, which is characterized in that it includes impact cavity components (1), impacting head assembly (2), superhigh pressure sensor (3), switching block assembly (4) and shut-off valve (5), wherein
Blind hole is provided in the impact cavity components (1), impacting head assembly (2) is arranged in blind hole, the impact cavity group The second cavity is formed between part (1) and impacting head assembly (2), impacting head assembly (2) can be moved along blind hole axis, blind hole side wall On be provided with pore channels so that the second cavity is connected to shut-off valve (5) and superhigh pressure sensor (3);Shut-off valve (5) and superelevation Pressure sensor (3) is fixed on impact cavity components (1) outside wall surface by switching block assembly (4),
The impact cavity components (1) include blind hole cavity (6), fixture nut (12), damping cushion block (13), copper sheathing (15) and Ultra-high voltage sealing ring (21), wherein
The copper sheathing (15) is arranged in the blind hole of blind hole cavity (6), and fixture nut (12) is fixed on blind hole oral area, for fixing Copper sheathing (15), damping cushion block (13) are arranged in fixture nut (12) endface, and, superhigh pressure sealing adjacent with copper sheathing (15) one end Enclose (21) be arranged between the blind via bottom inner wall and copper sheathing (15) outside wall surface of blind hole cavity (6), and with the copper sheathing (15) The other end is adjacent,
The impacting head assembly (2) includes impact piston (7), small piston (8), A type O-ring (9), hexagon socket head cap screw (10), envelope Cover (11), the first combined seal ring (14), Type B O-ring (16) and guide ring (17), wherein
In the copper sheathing (15), it is close that impact piston (7) outside wall surface is provided with the first combination for impact piston (7) setting Seal (14) is sealed for impact piston (7) outside wall surface and copper sheathing (15) inner wall,
The small piston (8) setting in three intermediate rank through-holes of impact piston (7), described small piston one end have piston head and The other end has piston rod, and piston head is accommodated at the maximum inner diameter of three rank through-holes, and the minimum of three rank through-holes is arranged in piston rod Inner radius,
It is sealed at the piston head of the small piston (8) using the three rank through-hole wall faces of Type B O-ring (16) and impact piston (7), It is sealed at the piston rod of small piston (8) using three rank through-hole wall faces of A type O-ring (9) and impact piston (7), in piston head Outside wall surface is provided with guide ring (17), the slide-and-guide being used between small piston (8) and impact piston (7),
The capping (11) is fixed on so that capping (11) lid by the end of the impact piston (7) using hexagon socket head cap screw (10) It closes in the impact piston (7) end.
2. a kind of impact energy control as described in claim 1 and detection device, which is characterized in that the three ranks through-hole wall The first cavity is formed between face and the small piston (8) outside wall surface, filling in first cavity has aircraft fluid.
3. a kind of impact energy control as claimed in claim 2 and detection device, which is characterized in that pre- in second cavity Filled with air-liquid blending agent.
4. a kind of impact energy control as claimed in claim 3 and detection device, which is characterized in that the air-liquid mixing is situated between Gas is high pressure nitrogen in matter, and the liquid of the air-liquid blending agent is aircraft fluid.
5. a kind of impact energy control as claimed in claim 4 and detection device, which is characterized in that the capping (11) is exposed Face is spherical surface.
CN201710241399.6A 2017-04-13 2017-04-13 A kind of control of impact energy and detection device Active CN106990001B (en)

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CN106990001B true CN106990001B (en) 2019-05-03

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Publication number Priority date Publication date Assignee Title
CN108120628A (en) * 2018-01-25 2018-06-05 中国商用飞机有限责任公司北京民用飞机技术研究中心 A kind of impact injury fabricated device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000249620A (en) * 1999-02-26 2000-09-14 Ishikawajima Harima Heavy Ind Co Ltd Impact testing machine
DE10009987A1 (en) * 2000-03-01 2001-09-06 Heinz Kreiskorte Test device for generating shock and impact loads, has mass that strikes test object via striking head, when mass accelerates to test speed via the supply of compressed air in cylinder
CN201096688Y (en) * 2007-10-17 2008-08-06 王志云 Dual-diameter, dual-direction and dual speed oil jar pressure tester
CN201163233Y (en) * 2008-03-03 2008-12-10 苏州试验仪器总厂 Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench
DE102007058702A1 (en) * 2007-03-01 2009-06-10 Ortwin Prof. Dr.-Ing. Hahn Damping element for a test device
CN201673095U (en) * 2010-04-23 2010-12-15 安徽理工大学 Bullet fired cylinder for Hopkinson pressure bar
CN106525373A (en) * 2016-11-28 2017-03-22 西安百纳电子科技有限公司 Horizontal impact response spectrometry apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000249620A (en) * 1999-02-26 2000-09-14 Ishikawajima Harima Heavy Ind Co Ltd Impact testing machine
JP4029514B2 (en) * 1999-02-26 2008-01-09 株式会社Ihi Impact test equipment
DE10009987A1 (en) * 2000-03-01 2001-09-06 Heinz Kreiskorte Test device for generating shock and impact loads, has mass that strikes test object via striking head, when mass accelerates to test speed via the supply of compressed air in cylinder
DE102007058702A1 (en) * 2007-03-01 2009-06-10 Ortwin Prof. Dr.-Ing. Hahn Damping element for a test device
CN201096688Y (en) * 2007-10-17 2008-08-06 王志云 Dual-diameter, dual-direction and dual speed oil jar pressure tester
CN201163233Y (en) * 2008-03-03 2008-12-10 苏州试验仪器总厂 Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench
CN201673095U (en) * 2010-04-23 2010-12-15 安徽理工大学 Bullet fired cylinder for Hopkinson pressure bar
CN106525373A (en) * 2016-11-28 2017-03-22 西安百纳电子科技有限公司 Horizontal impact response spectrometry apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Fatigue life prediction for boom structure of concrete pump truck";Yaozhong Wu et al.;《Engineering Failure Analysis》;20151118;第60卷;第176-187页
"舰炮后坐力试验装置强冲击特性仿真分析";徐鲲 等;《机械与电子》;20151231(第8期);第49-52页

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