CN106990001A - A kind of impact energy control and detection means - Google Patents
A kind of impact energy control and detection means Download PDFInfo
- Publication number
- CN106990001A CN106990001A CN201710241399.6A CN201710241399A CN106990001A CN 106990001 A CN106990001 A CN 106990001A CN 201710241399 A CN201710241399 A CN 201710241399A CN 106990001 A CN106990001 A CN 106990001A
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- impact
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- 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 means, belong to mechano-electronic field, the device includes impact cavity components, impacting head assembly, superhigh pressure sensor, transfer block, stop valve.Impacting head assembly is arranged 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 the pressure of high pressure air-liquid blending agent, the control of impact energy maximum can be achieved.Superhigh pressure sensor connects the cavity for being pre-charged with high pressure air-liquid blending agent by transfer block, the pressure for detecting 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.Stop valve connects cavity also by transfer block.Apparatus of the present invention may be repeated the control and detection of impact energy, and compact conformation is simple, service life is long.
Description
Technical field
The invention belongs to mechano-electronic field, more particularly, to a kind of control of impact energy and detection means, especially exist
When new material, new product carry out impact test, the control and detection of impact energy can be carried out.
Background technology
In new material, the R&D process of new product, it is often necessary to carry out impact property experiment to new material, new product.It is right
Impact operating mode energy be controlled and detect that means are more deficient, particularly 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.
, can if the impact working condition tests of energy-controllable when implementing impact test, can be carried out to new material, new product
To significantly reduce developing risk, save R&D costs.Accordingly, it would be desirable to develop a kind of simple in construction, efficiency high, service life length,
Be easily achieved impact energy it is controllable and detection impact energy control and detection means.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of control of impact energy and detection dress
Put, it is intended that impacting head assembly is arranged in impact cavity components, set between impact cavity components and impacting head assembly
There is the pressure size of preliminary filling high-pressure gas-liquid blending agent in cavity, control cavity, it is possible to achieve the setting of maximum impact force.To rush
Component of tapping the head impacts test specimen, and test specimen can produce reaction force to impact head, the size of active force and dynamic mistake simultaneously
Journey can be measured by connecting the superhigh pressure sensor of cavity, thus achieve the detection of impact energy.Apparatus of the present invention structure
It is compact it is simple, energy consumption is low, reusable, be easily achieved quantification operation.
To achieve the above object, the invention provides a kind of control of impact energy and detection means, it includes impacting cavity
Component, impacting head assembly, superhigh pressure sensor, switching block assembly and stop valve, wherein, the impact cavity components include blind
Vestibule body, fixing nut, damping cushion block, copper sheathing and ultra-high voltage sealing ring, copper sheathing are arranged at the blind hole internal surface of blind hole cavity, led to
Cross fixing nut and fix copper sheathing, ultra-high voltage sealing ring is arranged in the blind via bottom groove of blind hole cavity, sealing blind hole cavity
Blind hole inwall and copper sheathing contact surface, damping cushion block are pasted onto the surface of fixing nut using damping glue, play cushioning effect.
Impacting head assembly includes impact piston, valve piston, A types O-ring, hexagon socket head cap screw, capping, the first combination sealing
Circle, Type B O-ring and guide ring, impact piston outer surface set for example two the first combined seal rings and connect to seal with copper sheathing
Contacting surface, impact piston medium design is through-hole structure, mitigates weight, and valve piston is arranged in impact piston intermediate throughholes, small work
Plug small end is sealed using for example two A types O-rings to be used with impact piston contact surface, the big end of valve piston (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 valve piston and impact piston
Cavity, the first cavity preliminary filling Number 10 aviation hydraulic oil plays lubrication, capping is arranged at impact piston right-hand member, using interior six
Corner bolt is fixed on impact piston port, and capping exposed face is sphere, this structure design of impact piston, valve piston, can be with
Reduce in impact process, energy loss when impact piston is buffered.
Switching block assembly is arranged on impact cavity components upper surface, passes through the taper hole being arranged on above impact cavity and impact
Cavity components formation sealing, switching block assembly includes transfer block and bolt, transfer block is fixed on into punching by for example four bolts
Hit on the blind hole cavity of cavity components.
Superhigh pressure sensor is arranged on the one side of switching block assembly, using the second combined seal ring sealing super-pressure sensing
The contact surface of device and transfer block.
Stop valve is arranged on also by transfer block on the blind hole cavity of impact cavity components, and stop valve passes through steel on stop valve
The taper hole of pipe is connected sealing with transfer block.
In the present invention, the impacting head assembly integral installation in impact cavity components in, it is described impact cavity components with
Second cavity inside of impacting head assembly formation is pre-charged with high pressure air-liquid blending agent.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect:
In use, the impact energy detection means of the present invention is connected with extraneous elliptical gear body phase, elliptical gear body exists
In the presence of power source, the impact energy control and detection means for driving the present invention are moved together, pass through impact energy amount detection device
The impacting head assembly impact test specimen put, test specimen can produce reaction force acts on impacting head assembly simultaneously, act on
The size and dynamic process of power can be measured by superhigh pressure sensor, thus achieve the detection of impact energy;While this hair
The pressure size of the high pressure air-liquid blending agent of preliminary filling is adjustable inside bright device, it is possible to achieve the setting of maximum impact force.
Apparatus of the present invention can carry to provide the impact that detection is born in impact process by test specimen in laboratory conditions
Lotus, for verifying by the mechanical property of test specimen, can carry out repeating experiment, this detection means has the advantages that energy consumption is low, expense is small.
In addition, apparatus of the present invention are simple and compact for structure, ingenious in design, reusable, energy consumption is low, safe and reliable, it is easy to accomplish automatic
Detection and quantification operation.
Brief description of the drawings
Fig. 1 is a kind of impact energy control and the integrally-built graphics of detection means in the embodiment of the present invention;
Fig. 2 is the schematic cross-sectional view of device in Fig. 1;
In all of the figs, identical reference is used for representing identical element or structure, wherein:
1st, impact cavity components 2, impacting head assembly 3, superhigh pressure sensor
4th, switching block assembly 5, stop valve 6, blind hole cavity
7th, impact piston 8, valve piston 9, A type O-rings
10th, hexagon socket head cap screw 11, capping 12, fixing nut
13rd, damping cushion block 14, the first combined seal ring 15, copper sheathing
16th, Type B O-ring 17, guide ring 18, the second combined seal ring
19th, transfer block 20, bolt 21, ultra-high voltage sealing ring
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not constituting conflict between this can just be mutually combined.
Impact energy controls and detection means integrally-built graphics of the Fig. 1 for the embodiment of the present invention, as seen from the figure, its
Including impact cavity components 1, impacting head assembly 2, superhigh pressure sensor 3, switching block assembly 4 and stop valve 5.Wherein, impact
Head assembly 2 is arranged in impact cavity components 1, and superhigh pressure sensor 3 and stop valve 5 are arranged on punching by block assembly 4 of transferring
Hit on cavity components 1.Impact cavity components 1 are used as mounting body, have deep blind hole in the middle of it, impacting head assembly 2 is arranged on blind hole
It is interior, it can be moved along blind hole axis, pore channels are provided with the wall of blind hole side and are connected with stop valve 5 and superhigh pressure sensor 3.Cut
Only valve 5 and superhigh pressure sensor 3 are fixed on the impact outside wall surface of cavity components 1 by block assembly 4 of transferring.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, as seen from the figure, and apparatus of the present invention also include blind hole
Cavity 6, impact piston 7, valve piston 8, A types O-ring 9, hexagon socket head cap screw 10, capping 11, fixing 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, it is described impact cavity components 1 include blind hole cavity 6, fixing 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 fixing nut 12 is fixed on blind hole mouthful
Portion, for fixing copper sheathing 15, damping cushion block 13 is arranged on the end of fixing nut 12, and, super-pressure adjacent with the one end of copper sheathing 15
Sealing ring 21 is arranged between the blind via bottom inwall of blind hole cavity 6 and the outside wall surface of copper sheathing 15, and another with the copper sheathing 15
End is adjacent.
The impacting head assembly 2 includes impact piston 7, valve piston 8, A types 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
State the outside wall surface of impact piston 7 and be provided with the first combined seal ring 14, it is close for the outside wall surface of impact piston 7 and the internal face of copper sheathing 15
Envelope, the valve piston 8 is arranged in three rank through holes in the middle of impact piston 7, and described valve piston one end has piston head and another
End has piston rod, and piston head is contained at the maximum inner diameter of three rank through holes, and piston rod is arranged on the minimum diameter of three rank through holes
Sealed at place, the piston head of the valve piston 8 using three rank through-hole wall faces of Type B O-ring 16 and impact piston 7, valve piston 8
Piston rod at sealed using three rank through-hole wall faces of A types 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 valve 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 capping 11 is covered in the end of impact piston 7.
Formed and filled in the first cavity, first cavity between the three ranks through-hole wall face and the outside wall surface of the valve piston 8
Being full of has aircraft fluid.Air-liquid blending agent is pre-charged with 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 sphere.Such setting this have the advantage that
The rum point of impact head and test specimen is betided both near axis, reduce the profile to test specimen in process of the test
It is required that.
, 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 maximum impact force of part, the pressure of setting air-liquid blending agent reaches setting value.Valve piston 8 is arranged on logical in the middle of impact piston 7
Impact energy can be put in hole, during impact by test specimen, the second cavity I of valve piston 8 is marked with Number 10 aviation hydraulic oil.
Switching block assembly is arranged on impact cavity components upper surface, passes through the taper hole being arranged on above impact cavity and impact
Cavity components formation sealing, switching block assembly includes transfer block and bolt, transfer block is fixed on into punching by for example four bolts
Hit on the blind hole cavity of cavity components.
In the present invention, superhigh pressure sensor 3 is arranged on the one side of switching block assembly 4, using the second combined seal ring 18
Seal superhigh pressure sensor 3 and the contact surface (switching block assembly includes transfer block and bolt) of transfer block 19, superhigh pressure sensor 3
For the Pressure behaviour data for the blending agent for measuring impact cavity components 1 cavity II.Stop valve 5 is set also by transfer block 19
On the blind hole cavity 6 of impact cavity components 1, stop valve 5 is connected sealing by the taper hole of steel pipe on stop valve with transfer block 19.
The course of work of apparatus of the present invention comprises the following steps:
Pre-set the stage:According to the setting value of the Maximal shock load needed by test specimen, to the impact cavity of cavity components 1
Preliminary filling high pressure nitrogen and Number 10 aviation hydraulic oil medium are carried out inside II, air-liquid blending agent is reached required pressure, and protect
Hold closed.
Adjusting stage:Impact energy control and detection means are fixed with one with extraneous movable body, adjusted by test specimen
Heart position, makes by test specimen center and the central shaft of impacting head assembly 2 concentrically or coaxially.Wherein, impacting head assembly 2 is arranged on by test specimen
Positive other side upwards, to guarantee to be struck by impacting head assembly.
Working stage:Start extraneous movable body, make impact energy control and detection means with movable body high-speed motion,
Impacting head assembly 2 impact its positive other side it is upward by test specimen, while height that can be 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 being arranged on switching block assembly 4, which is used to detect, to be impacted
Pressure dynamic data in first cavity II, by processing pressure dynamic data, draws the data of impact energy in cavity components 1.
End (namely piston head end) is while by the pressure of high pressure air-liquid blending agent greatly for valve piston 8, by the pressurization of valve piston 8,
It is transmitted to by the tailpiece of the piston rod and capping 11 of valve piston 8 by test specimen, such design can reduce the energy loss of impact process.
Apparatus of the present invention are by adjusting in impact cavity components 1 in first cavity II filled with high pressure air-liquid blending agent
Pressure, can reach the effect of detection different impact.
In the present invention, impact energy detection means is connected with extraneous elliptical gear body (namely movable body), elliptical gear
Body is in the presence of power source, by the impact head impact test specimen of impact energy detection means, and test specimen can be produced 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 compact conformation is simple, energy consumption is low, it is reusable, be easily achieved quantification
Operation.In addition, the security of apparatus of the present invention is good, repeatable experiment, developing risk can be reduced, R&D costs are saved.
Apparatus of the present invention can supporting test system, the dynamic data that superhigh pressure sensor is transmitted can be recorded in real time, complete
Test, the data analysis storage of impact energy 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, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of impact energy control and detection means, it is characterised in that it includes impact cavity components (1), impacting head assembly
(2), superhigh pressure sensor (3), switching block assembly (4) and stop valve (5), wherein,
Blind hole is provided with 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) may be moved along blind hole axis, blind hole side
Pore channels are provided with wall so that the second cavity is connected with stop valve (5) and superhigh pressure sensor (3);Stop valve (5) and super
High pressure sensor (3) is fixed on impact cavity components (1) outside wall surface by block assembly of transferring (4).
2. a kind of impact energy control as claimed in claim 1 and detection means, it is characterised in that the impact cavity components
(1) blind hole cavity (6), fixing nut (12), damping cushion block (13), copper sheathing (15) and ultra-high voltage sealing ring (21) are included, its
In,
The copper sheathing (15) is arranged in the blind hole of blind hole cavity (6), and fixing nut (12) is fixed on blind hole oral area, for fixing
Copper sheathing (15), damping cushion block (13) is arranged on fixing nut (12) end, and adjacent with copper sheathing (15) one end, ultra-high voltage sealing ring
(21) it is arranged between the blind via bottom inwall of blind hole cavity (6) and copper sheathing (15) outside wall surface, and it is another with the copper sheathing (15)
One end is adjacent.
3. a kind of impact energy control as claimed in claim 2 and detection means, it is characterised in that the impacting head assembly
(2) impact piston (7), valve piston (8), A types O-ring (9), hexagon socket head cap screw (10), capping (11), the first combination sealing are included
(14), Type B O-ring (16) and guide ring (17) are enclosed, wherein,
The impact piston (7) is arranged in the copper sheathing (15), and it is close that impact piston (7) outside wall surface is provided with the first combination
Seal (14), is sealed for impact piston (7) outside wall surface and copper sheathing (15) internal face,
The valve piston (8) is arranged in three rank through holes in the middle of impact piston (7), described valve piston one end have piston head and
The other end has piston rod, and piston head is contained at the maximum inner diameter of three rank through holes, and piston rod is arranged on the minimum of three rank through holes
Inner radius,
Sealed at the piston head of the valve piston (8) using three rank through-hole wall faces of Type B O-ring (16) and impact piston (7),
Sealed at the piston rod of valve piston (8) using three rank through-hole wall faces of A types O-ring (9) and impact piston (7), in piston head
Outside wall surface is provided with guide ring (17), for the slide-and-guide between valve 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)
Close in the impact piston (7) end.
4. a kind of impact energy control as claimed in claim 3 and detection means, it is characterised in that the three ranks through-hole wall
Formed to fill in the first cavity, first cavity between face and the valve piston (8) outside wall surface and have aircraft fluid.
5. a kind of impact energy control as claimed in claim 4 and detection means, it is characterised in that pre- in second cavity
Filled with air-liquid blending agent.
6. a kind of impact energy control as claimed in claim 5 and detection means, it is characterised 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.
7. a kind of impact energy control as claimed in claim 6 and detection means, it is characterised in that the capping (11) is exposed
Face is sphere.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710241399.6A CN106990001B (en) | 2017-04-13 | 2017-04-13 | A kind of control of impact energy and detection device |
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CN201710241399.6A CN106990001B (en) | 2017-04-13 | 2017-04-13 | A kind of control of impact energy and detection device |
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CN106990001A true CN106990001A (en) | 2017-07-28 |
CN106990001B CN106990001B (en) | 2019-05-03 |
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CN201710241399.6A Active CN106990001B (en) | 2017-04-13 | 2017-04-13 | A kind of control of impact energy and detection device |
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Cited By (1)
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 |
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Cited By (1)
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 |
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