CN108918314A - A kind of impact abrasion testing equipment that can simulate the grains of sand and high temperature complex environment - Google Patents
A kind of impact abrasion testing equipment that can simulate the grains of sand and high temperature complex environment Download PDFInfo
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- CN108918314A CN108918314A CN201810942578.7A CN201810942578A CN108918314A CN 108918314 A CN108918314 A CN 108918314A CN 201810942578 A CN201810942578 A CN 201810942578A CN 108918314 A CN108918314 A CN 108918314A
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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
- G01N3/56—Investigating resistance to wear or abrasion
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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
- G01N3/02—Details
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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
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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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
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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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
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to impact wear test apparatus fields, disclose a kind of impact abrasion testing equipment that can simulate the grains of sand and high temperature complex environment.It creates through the invention, can provide one kind can accurately control impact velocity and may be implemented in the novel impact abrasion testing equipment tested under the grains of sand and hot environment, the electric sucker of impact on the one hand can be used in such a way that certain rule goes upper Electro Sorb/lower electricity release formed punch mounting seat, it realizes and discharges formed punch mounting seat in maximum speed to guarantee the consistent purpose of each impact velocity, make it possible to control ballistic motion more accurately, on the other hand Song Sha mechanism can be used, grains of sand automatic circulation mechanism and sample heating mechanism are realized under the grains of sand and hot environment to the research of impact wear, meet current application demand.
Description
Technical field
The invention belongs to impact wear test apparatus fields, and in particular to one kind can simulate the grains of sand and high temperature complex environment
Impact abrasion testing equipment.
Background technique
Impact wear is the surface damage due to caused by dynamic Contact, shock repeatedly between two surfaces of solids.Each
In class machinery, many components all subject different degrees of impact wear, and the machinery zero caused by impact fretting wear
Component failure is widely present in the fields such as electric power, petrochemical industry, mining machinery, ocean machinery, aerospace, from bringing biggish energy
Source waste, brings huge loss to people's property safety and national economy.Shock loading will cause contact surface destruction, sternly
It will lead to component of machine failure when weight.In the type of wear-out failure, impact wear may be, understanding the most unfavorable to material
Least a kind of abrasion.In order to study this abrasion, up to the present, the testing machine of polymorphic type is had been developed that both at home and abroad.
In actual condition, impact wear environment is complex, such as high temperature, high humidity, sand and dust dust, mud and rainwater,
It is not only affected to impact wear, but also impact wear behavior is made to become increasingly complex.Existing impact wear test
Machine is typically just tested under room temperature and air environment, and the impact grinding under the grains of sand and hot environment can not be studied
Damage behavior.In addition, existing impact wear testing machine is inaccurate to the control of drift speed, each impact velocity not can guarantee
Unanimously, cause impact wear test inaccurate.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide one kind can simulate the grains of sand and height
The novel impact abrasion testing equipment of warm complex environment.
The technical scheme adopted by the invention is as follows：
A kind of impact abrasion testing equipment that can simulate the grains of sand and high temperature complex environment, including beater mechanism, send husky machine
Structure, grains of sand automatic circulation mechanism, sample heating mechanism and the rack for installing aforementioned mechanism；
The beater mechanism includes from the rear linear drive motor set gradually to front direction, impacts electric sucker, formed punch peace
Fill pedestal and plunger holder, wherein the linear drive motor is for driving the electric sucker of the impact to do in the longitudinal direction directly
Line moves back and forth, and the electric sucker of the impact is used to make the formed punch mounting seat preceding by powering on band magnetic/lower electric demagnetization mode
Also straight reciprocating motion is done in rear direction, the formed punch mounting seat is used to install the plunger holder in front end face；
The Song Sha mechanism includes sending hourglass bucket and husky flow control valve, wherein described that hourglass bucket is sent to be arranged in the punching
The neck for sending hourglass bucket is arranged in the top of fixture head, the sand flow control valve；
The grains of sand automatic circulation mechanism includes grains of sand recycling bins, grains of sand reservoir and grains of sand collection conduit, wherein described
The lower section of the rack is arranged in grains of sand recycling bins, and the top for sending hourglass bucket, the sand is arranged in the grains of sand reservoir
The both ends of grain collection conduit are respectively communicated with the grains of sand recycling bins and the grains of sand reservoir；
The front of the plunger holder is arranged in the sample heating mechanism, and including heat block and specimen holder, wherein
The specimen holder is mounted on the rear end face of the heat block；
The plunger holder is for clamping formed punch, and the specimen holder is for clamping test agent, the slam fixture and institute
It states specimen holder to be oppositely arranged, and keeps the center line of the two on the same line.
Optimization, the electric sucker of the impact is realized under the power control of SCM system powers on band magnetic, and in the monolithic
The power-off control of machine system is lower to realize lower electric demagnetization.
Optimization, the electric sucker of the impact is connected by buffering heat dissipation base with the output end of the linear drive motor；
The buffering heat dissipation base includes mounting blocks, cooling fin, buffer pull rod, damping spring and fixes sleeve, wherein institute
The inside for stating mounting blocks is provided with rectangular through-hole, and the inside of the cooling fin is provided with threaded hole, and the buffer pull rod is in three sections of ladders
The peripheral surface of axis shape, the fixes sleeve is equipped with screw thread；
The mounting blocks are used to install the electric sucker of the impact in front end face, and the cooling fin is mounted on the mounting blocks
On rectangular through-hole inner wall, the leading portion of the buffer pull rod coaxially connected fixes sleeve after passing through the damping spring
(155), the output end of the coaxially connected linear drive motor of the back segment of the buffer pull rod, the fixes sleeve pass through screw thread
Cooperation is fixed in the threaded hole.
Optimization, the formed punch mounting seat is groove-like structure, and is equipped in the rear end face of the formed punch mounting seat
Cylindrical silicon steel disc；
The centerline that the rear end face of the cylindrical silicon steel disc and the electric sucker of the impact both are oppositely arranged, and make in
On same straight line.
Optimization, the beater mechanism further include air-float guide rail, guide rail mounting seat, grating scale, grating ruler reading head and
Read head mounting plate, wherein the grating ruler reading head is used cooperatively with the grating scale, and the guide rail mounting seat is fixedly mounted
In the rack；
The air-float guide rail is mounted in the guide rail mounting seat from rear to preceding, movable on the slide carriage of the air-float guide rail
The formed punch mounting seat is installed, the grating scale is attached on the slide carriage of the air-float guide rail, and the grating ruler reading head is logical
The read head mounting plate is crossed to be mounted in the guide rail mounting seat；
The grating scale is oppositely arranged with the grating ruler reading head, and the clearance distance both made between 1mm~
Between 1.5mmm.
Optimization, the sand flow control valve includes flow control valve body, and is pacified in the lower section of the husky flow control valve
Equipped with sending sand tube road；
Grains of sand through-hole is provided at the top of the flow control valve body, the side of the flow control valve body is provided with speed regulation hole,
It is provided with flow velocity adjustment sheet in the speed regulation hole, posts scale on the flow velocity adjustment sheet；
The inner passage and the inside for sending sand tube road of the neck passage for sending hourglass bucket, the husky flow control valve
Channel is the consistent rectangular opening of size.
Optimization, further include funnel stand, the first stationary fixture, the second stationary fixture, first crossbeam and second cross beam,
In, the funnel stand is fixed in the rack, and first stationary fixture offers the first cross through hole, and described second is solid
Clamp tool offers the second cross through hole；
First stationary fixture is mounted on the middle part of the funnel stand, and institute is fixedly mounted in one end of the first crossbeam
It states and send hourglass bucket, the other end of the first crossbeam is fixed on the funnel branch by way of passing through first cross through hole
On frame；
Second stationary fixture is mounted on the top of the funnel stand, and institute is fixedly mounted in one end of the second cross beam
Grains of sand reservoir is stated, the other end of the second cross beam is fixed on the funnel by way of passing through second cross through hole
On bracket.
Optimization, the grains of sand automatic circulation mechanism further includes rectangle feed opening and grains of sand recycling funnel, wherein the square
Shape feed opening is arranged in the rack and in the underface for sending hourglass bucket, and the grains of sand recycling funnel is fixed on described
The underface of feed opening and the surface for being in the grains of sand recycling bins；
The entirety of the grains of sand recycling bins is in rectangular box structure, and opening is equipped at the top of it, is set at its cabinet base angle
There is pipe joint, wherein the pipe joint is connected to one end of the grains of sand collection conduit；
The adjacent V-shaped incline structure of inner wall of the two of the grains of sand recycling bins, and inclination extends to the pipeline and connects respectively
Mouthful.
Optimization, the grains of sand reservoir is funnel shaped with a closed top, and be provided in its center of top it is vertical
Cylinder-shaped grains of sand channel, wherein the top sidewall in the grains of sand channel open there are two be respectively communicated with the grains of sand collection conduit and
The interconnection interface of air pump, and filter device is provided in the interconnection interface being connected to the air pump；
The grains of sand reservoir further includes grains of sand cut-off spool, flexible cable, roller and piston valve control motor, wherein institute
It states grains of sand cut-off spool to be made of rubber material, the piston valve control motor is for driving the roller to revolve on vertical plane
Turn；
The grains of sand cut-off spool is located at the lower opening of the grains of sand reservoir, described in one end connection of the flexible cable
The grains of sand end spool, and the other end of the flexible cable is connected to the flexible cable.
Optimization, the sample heating mechanism further includes heating mechanism pedestal, thermal insulation board and thermal insulation board mounting blocks, wherein
The heating mechanism pedestal is mounted on the rack；
The thermal insulation board is fixedly mounted on the rear end face of the heating mechanism pedestal by the thermal insulation board mounting blocks；
The heat block is mounted on the rear end face of the thermal insulation board, and is provided at least one in the upper surface of the heat block
A electrical bar mounting hole offers the peace of the specimen holder for the specimen holder to be fixedly mounted in the rear end face of the heat block
Fill hole.
Beneficial effects of the present invention are：
(1) the invention provides one kind and can accurately be controlled impact velocity and may be implemented in the grains of sand and high temperature
On the one hand the novel impact abrasion testing equipment tested under environment can be used the electric sucker of impact and go according to certain rule
Electro Sorb/lower electricity release formed punch mounting seat mode, realizes and discharges formed punch mounting seat in maximum speed to guarantee every time
The consistent purpose of impact velocity, makes it possible to control ballistic motion more accurately, and Song Sha mechanism, the grains of sand on the other hand can be used
Automatic circulation mechanism and sample heating mechanism are realized under the grains of sand and hot environment to the research of impact wear, and current answer is met
Use demand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of impact abrasion testing equipment provided by the invention.
Fig. 2 is the backsight structural representation of impact abrasion testing equipment provided by the invention.
Fig. 3 is the structural schematic diagram of beater mechanism provided by the invention.
Fig. 4 is the structural schematic diagram of sample heating mechanism provided by the invention.
Fig. 5 is the structural schematic diagram of buffering heat dissipation base provided by the invention.
Fig. 6 is buffering heat dissipation base provided by the invention and the structure fractionation schematic diagram for impacting electric sucker.
Fig. 7 is that the structure of Song Sha mechanism provided by the invention splits schematic diagram.
Fig. 8 is the structural schematic diagram of grains of sand recycling bins provided by the invention.
Fig. 9 is the structural schematic diagram of grains of sand reservoir provided by the invention.
Figure 10 is the schematic cross-sectional view of grains of sand reservoir provided by the invention.
Figure 11 is the structural schematic diagram of rack provided by the invention.
In above-mentioned attached drawing:1- beater mechanism；11- linear drive motor；12- impacts electric sucker；13- formed punch mounting seat；
131- cylindrical silicon steel disc；14- plunger holder；15- buffers heat dissipation base；151- mounting blocks；152- cooling fin；153- buffering is drawn
Bar；154- damping spring；155- fixes sleeve；16- air-float guide rail；161- guide rail mounting seat；162- grating scale；163- grating
Ruler reading head；164- read head mounting plate；17- specimen holder；2- Song Sha mechanism；21- send hourglass bucket；22- sand flow control valve；
221- flow control valve body；222- grains of sand through-hole；223- adjusts the speed hole；224- flow velocity adjustment sheet；225- scale；23- first crossbeam；
24- funnel stand；The first stationary fixture of 25-；3- grains of sand automatic circulation mechanism；31- rectangle feed opening；The 32- grains of sand recycle funnel；
33- grains of sand recycling bins；331- pipe joint；34- grains of sand reservoir；341- cylindrical shape grains of sand channel；342- interconnection interface；
The 343- grains of sand end spool；344- flexible cable；345- roller；346- piston valve controls motor；35- grains of sand collection conduit；36- mistake
Filter device；37- second cross beam；The second stationary fixture of 38-；4- sample heating mechanism；41- heat block；42- heating mechanism pedestal；
43- thermal insulation board；44- thermal insulation board mounting blocks；45- electrical bar mounting hole；46- specimen holder mounting hole；5- rack.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.It should be noted that for this
The explanation of a little way of example is used to help understand the present invention, but and does not constitute a limitation of the invention.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, the terms
"/and " it is to describe another affiliated partner relationship, indicate may exist two kinds of relationships, for example, A/ and B, can indicate：Individually deposit
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, typicallying represent forward-backward correlation object is a kind of "or" pass
System.
Embodiment one
As shown in Fig. 1~11, the impact wear that the grains of sand and high temperature complex environment can be simulated provided in this embodiment
Experimental rig, including beater mechanism 1, Song Sha mechanism 2, grains of sand automatic circulation mechanism 3, sample heating mechanism 4 and installation are aforementioned
The rack 5 of mechanism；The beater mechanism 1 includes from the rear linear drive motor 11 set gradually to front direction, impacts electric sucker
12, formed punch mounting seat 13 and plunger holder 14, wherein the linear drive motor 11 is for driving the electric sucker 12 of the impact
Straight reciprocating motion is done in the longitudinal direction, and the electric sucker 12 of the impact is used to make institute by powering on band magnetic/lower electric demagnetization mode
It states formed punch mounting seat 13 and also does straight reciprocating motion in the longitudinal direction, the formed punch mounting seat 13 is used to pacify in front end face
Fill the plunger holder 14；The Song Sha mechanism 2 includes sending hourglass bucket 21 and husky flow control valve 22, wherein described to send hourglass
The top of the plunger holder 14 is arranged in bucket 21, and the neck for sending hourglass bucket 21 is arranged in the sand flow control valve 22；
The grains of sand automatic circulation mechanism 3 includes grains of sand recycling bins 33, grains of sand reservoir 34 and grains of sand collection conduit 35, wherein described
The lower section of the rack 5 is arranged in grains of sand recycling bins 33, and the top for sending hourglass bucket 21 is arranged in the grains of sand reservoir 34,
The both ends of the grains of sand collection conduit 35 are respectively communicated with the grains of sand recycling bins 33 and the grains of sand reservoir 34；The sample adds
The front of the plunger holder 14 is arranged in heat engine structure 4, and including heat block 41 and specimen holder 17, wherein the specimen holder
Tool 17 is mounted on the rear end face of the heat block 41；The plunger holder 14 is used for clamping formed punch, the specimen holder 17
In clamping test agent, the slam fixture 14 is oppositely arranged with the specimen holder 17, and makes the centerline of the two in same
On straight line.
As shown in Fig. 1~11, in the structure of the impact abrasion testing equipment, the linear drive motor 11 can with but
It is not limited to that electric machine control system (it is operated in external computer equipment) control can be used in test using voice coil motor
Make loading frequency, load amplitude and the loading curve type of the linear drive motor.Optimization, the electric sucker 12 of the impact exists
It is realized under the power control of SCM system and powers on band magnetic, and the electric demagnetization under realization under the power-off of SCM system control.
The SCM system is connected by serial ports with external computer equipment communication, and the electric machine control system in computer equipment is operated in
When judging that the electric sucker 12 of the impact should adsorb or decontrol the formed punch mounting seat 13, system is controlled to the single-chip microcontroller
System sends electrical instruction or cut-offing instruction.The SCM system controls the electric sucker 12 of the impact and is powered according to said instruction
Or power-off：When the electric sucker 12 of the impact is powered, with magnetic due to powering on, adsorbs and drive the formed punch mounting seat 13 straight
Line movement；When the electric sucker 12 of the impact powers off, demagnetization due to lower electricity, the formed punch mounting seat 13 is under effect of inertia
Approximation does free movement.The Song Sha mechanism 2 is used to provide grains of sand environment for impact test.The grains of sand automatic circulation mechanism 3
For realizing recycling for the grains of sand.The sample heating mechanism 4 is used for heat run, to provide high temperature ring for impact test
Border.
The course of work of aforementioned impact abrasion test device is as follows：(1) before testing, by sample heating mechanism 4 by test agent
It is heated to assigned temperature；(2) when testing, the grains of sand simulate grains of sand environment from sending hourglass bucket 21 to fall between formed punch and test agent, and
Grains of sand flow velocity can be changed by husky flow control valve 22；(3) electric sucker 12 is impacted to be in just by the driving of linear drive motor 11
The speed of chord curve time-varying makees straight reciprocating motion；(4) when moving beginning, control impacts electric sucker 12 and powers on band magnetic, adsorbs
Formed punch mounting seat 13 travels forward, and when reaching speed peaking (i.e. sinusoidal wave crest point), electric sucker is impacted in control
12 lower electric demagnetizations, make formed punch mounting seat 13 travel at the uniform speed forward with maximum speed, until impacting；(5) in impact specimen
After product, drawback movement is made in the rebound of formed punch mounting seat 13, when reaching speed bottom-valley point (i.e. sinusoidal trough point), again
Control impacts electric sucker 12 and powers on band magnetic, adsorbs formed punch mounting seat 13 again, prepares next Secondary Shocks；(6) in test, husky
Grain recycling bins 33 collect the grains of sand fallen, and the grains of sand are promoted to grains of sand reservoir 34, grains of sand storage by grains of sand collection conduit 35
After storage 34 stores up the full grains of sand, the grains of sand are sent the automatic cycle for realizing the grains of sand to hourglass bucket 21 is sent utilize.
From there through the detailed description of aforementioned impact abrasion test device, impact velocity can accurately be controlled, and
It realizes the purpose tested under the grains of sand and hot environment, i.e., the electric sucker of impact on the one hand can be used and gone according to certain rule
Electro Sorb/lower electricity release formed punch mounting seat mode, realizes and discharges formed punch mounting seat in maximum speed to guarantee every time
The consistent purpose of impact velocity, makes it possible to control ballistic motion more accurately, and Song Sha mechanism, the grains of sand on the other hand can be used
Automatic circulation mechanism and sample heating mechanism are realized under the grains of sand and hot environment to the research of impact wear, and current answer is met
Use demand.
Optimization, it is described to impact output end of the electric sucker 12 by buffering heat dissipation base 15 and the linear drive motor 11
It is connected；The buffering heat dissipation base 15 includes mounting blocks 151, cooling fin 152, buffer pull rod 153, damping spring 154 and fixes
Sleeve 155, wherein the inside of the mounting blocks 151 is provided with rectangular through-hole, and the inside of the cooling fin 152 is provided with threaded hole, institute
Buffer pull rod 153 is stated in three sections of ladder axis shapes, the peripheral surface of the fixes sleeve 155 is equipped with screw thread；The mounting blocks 151
For installing the electric sucker 12 of the impact in front end face, the cooling fin 152 is mounted in the rectangular through-hole of the mounting blocks 151
On wall, the leading portion of the buffer pull rod 153 coaxially connected fixes sleeve 155 after passing through the damping spring 154 is described
The output end of the coaxially connected linear drive motor 11 of the back segment of buffer pull rod 153, the fixes sleeve 155 are matched by screw thread
Conjunction is fixed in the threaded hole.As it can be seen in figures 5 and 6, the buffering heat dissipation base 15 is for preventing rigid shock power to described
Linear drive motor 11 damages, in addition it is possible to play heat spreading function to the electric sucker 12 of the impact.During the experiment,
Since the electric sucker 12 of the impact is continually power on/off, it will generate amount of heat, can be expanded by the cooling fin 152
Big heat dissipation area promotes the heat dissipation for impacting electric sucker 12.
Optimization, the formed punch mounting seat 13 is groove-like structure, and is pacified in the rear end face of the formed punch mounting seat 13
Equipped with cylindrical silicon steel disc 131；The rear end face of the cylindrical silicon steel disc 131 is oppositely arranged with the electric sucker 12 of the impact, and
Keep the center line of the two on the same line.As shown in figure 3, the physics low with magnetic permeability height and coercivity due to silicon steel
Characteristic, so that the cylindrical silicon steel disc 131 is after the lower electricity demagnetization of the electric sucker 12 of the impact, remanent magnetism is minimum, to the formed punch
The free movement of mounting seat 13 is almost without influence.
Optimization, the beater mechanism 1 further includes air-float guide rail 16, guide rail mounting seat 161, grating scale 162, grating scale
Reading head 163 and read head mounting plate 164, wherein the grating ruler reading head 163 is used cooperatively with the grating scale 162, described
Guide rail mounting seat 161 is fixedly mounted in the rack 5；The air-float guide rail 16 is mounted on the guide rail installation from rear to preceding
On pedestal 161, the formed punch mounting seat 13 is movably installed on the slide carriage of the air-float guide rail 16, the grating scale 162 pastes
On the slide carriage of the air-float guide rail 16, the grating ruler reading head 163 is mounted on described lead by the read head mounting plate 164
In rail mounting seat 161；The grating scale 162 is oppositely arranged with the grating ruler reading head 163, and makes the clearance distance of the two
Between 1mm~1.5mm.As shown in figure 3, the grating scale 162 and the grating ruler reading head 163 are directed to for erecting
The speed acquisition mechanism of the formed punch mounting seat 13, wherein the grating ruler reading head 163 is in the acquisition units time
Then freshly harvested speed data is sent in external computer equipment, to be motor control by moving distance (i.e. velocity amplitude)
The curve location judgement of system processed provides reference.Further, it is also possible to by pressure sensor, (its is mountable in the specimen holder
In 17) impact force is measured.From there through aforementioned structure, it not only may insure that the formed punch mounting seat 13 is being detached from institute
After stating the electric sucker 12 of impact, can freely it travel forward under effect of inertia, additionally it is possible to formed punch mounting seat described in precise measurement
13 instantaneous velocity further ensures that the precision and automatically working of entire experimental rig.
Optimization, the sand flow control valve 22 includes flow control valve body 221, and in the husky flow control valve 22
Lower section, which is equipped with, send sand tube road 26；The top of the flow control valve body 221 is provided with grains of sand through-hole 222, the flow control valve
The side of body 221 is provided with speed regulation hole 223, is provided with flow velocity adjustment sheet 224, the flow velocity adjustment sheet 224 in the speed regulation hole 223
On post scale 225；The neck passage for sending hourglass bucket 21, the husky flow control valve 22 inner passage and described send sand
The inner passage of pipeline 26 is the consistent rectangular opening of size.As shown in fig. 7, the neck for sending hourglass bucket 21, the sand drift are fast
Control valve 22 and it is described send sand tube road 26 to can be, but not limited to link together by bolt arrangement, and by adjusting the flow velocity
Adjustment sheet 224 is inserted into the depth of the flow control valve body 221, i.e., adjustable grains of sand flow velocity, wherein the scale 225 is used for
It shows insertion depth, corresponding flow velocity is characterized by depth.
Optimization, further include funnel stand 24, the first stationary fixture 25, the second stationary fixture 38, first crossbeam 23 and the
Two crossbeams 37, wherein the funnel stand 24 is fixed in the rack 5, and first stationary fixture 25 offers the first cross
To through-hole, second stationary fixture 38 offers the second cross through hole；First stationary fixture 25 is mounted on the funnel
The middle part of bracket 24, one end of the first crossbeam 23 be fixedly mounted described in send hourglass bucket 21, the first crossbeam 23 it is another
End is fixed on the funnel stand 24 by way of passing through first cross through hole；Second stationary fixture 38 is installed
At the top of the funnel stand 24, one end fixed installation grains of sand reservoir 34 of the second cross beam 37, described second
The other end of crossbeam 37 is fixed on the funnel stand 24 by way of passing through second cross through hole.Such as Fig. 1 and 2 institute
Show, is designed by aforementioned structure, it can be in test, it is ensured that the grains of sand can fall into formed punch and test agent from described send in hourglass bucket 21
Between, simulate grains of sand environment, wherein the grains of sand for sending hourglass bucket 21 to can transport a variety of different-grain diameters.
Optimization, the grains of sand automatic circulation mechanism 3 further includes rectangle feed opening 31 and grains of sand recycling funnel 32, wherein
The rectangle feed opening 31 is arranged in the rack 5 and in the underface for sending hourglass bucket 21, the grains of sand recycling leakage
Bucket 32 is fixed on the underface of the feed opening 31 and is in the surface of the grains of sand recycling bins 33；The grains of sand recycling bins 33
Entirety be in rectangular box structure, and at the top of it be equipped with opening, its cabinet base angle be equipped with pipe joint 331, wherein it is described
Pipe joint 331 is connected to one end of the grains of sand collection conduit 35；Two adjacent inner walls of the grains of sand recycling bins 33 are V-shaped to incline
Biassed fabric, and inclination extends to the pipe joint 331 respectively.As shown in figure 8, the entrance of the grains of sand recycling funnel 32 is square
Shape, it is bigger than the rectangle feed opening 31, and a part is extended outward in its ingress edge, which is equipped with screw thread
Hole is fixed in the rack 5 with will pass through bolt result for grains of sand recycling funnel 32.The grains of sand recycling funnel receives
To after the grains of sand, converges and be delivered to the grains of sand recycling bins.Incline since two adjacent inner walls of the grains of sand recycling bins 33 are V-shaped
Biassed fabric, and inclination extends to the pipe joint 331 respectively, convenient for siphoning away the grains of sand from pipe joint.
Optimization, the grains of sand reservoir 34 is funnel shaped with a closed top, and is provided with vertically in its center of top
Cylinder-shaped grains of sand channel 341, wherein the top sidewall in the grains of sand channel 341 opens that there are two be respectively communicated with the grains of sand to receive
Collect the interconnection interface 342 of pipeline 35 and air pump, and was provided in the interconnection interface 342 being connected to the air pump
Filter device 36；The grains of sand reservoir 34 further includes grains of sand cut-off spool 343, flexible cable 344, roller 345 and piston valve control
Motor 346, wherein the grains of sand cut-off spool 343 is made of rubber material, and the piston valve control motor 346 is for driving
The roller 345 is moved to rotate on vertical plane；The grains of sand cut-off spool 343 is located at the lower opening of the grains of sand reservoir 34
Place, one end of the flexible cable 344 connect the grains of sand and end spool 343, and the other end of the flexible cable 344 is connected to the flexible cable
344.As shown in Figures 9 and 10, the filter device 36 prevents the grains of sand from passing through, so that the air pump (figure for allowing air to pass through
In be not shown) can normal suction without sucking the grains of sand.The course of work of aforementioned grains of sand reservoir 34 can be as follows：(1) every
Setting time starts the air pump, is drawn onto the grains of sand from the grains of sand recycling bins 33 by the grains of sand collection conduit 35 described
In grains of sand reservoir 34；(2) it when storing the grains of sand, drives the roller 345 to rotate by piston valve control motor 346, receives
The flexible cable 344 is played, the grains of sand are ended into 343 pull-up of spool, the opening of the grains of sand reservoir 34 are closed, due to the sand
Grain cut-off spool 343 uses rubber material, has certain elasticity, aforementioned opening can be shut, prevent the grains of sand from leaking；(3) exist
When needing to release the grains of sand, drives the roller 345 to reversely rotate by grains of sand cut-off spool 343, unclamps the flexible cable 344,
Grains of sand cut-off spool 343 is put down, the bottom opening of the grains of sand reservoir is opened.
Optimization, the sample heating mechanism 4 further includes heating mechanism pedestal 42, thermal insulation board 43 and thermal insulation board mounting blocks
44, wherein the heating mechanism pedestal 42 is mounted in the rack 5；The thermal insulation board 43 passes through the thermal insulation board mounting blocks
44 are fixedly mounted on the rear end face of the heating mechanism pedestal 42；The heat block 41 is mounted on the rear end of the thermal insulation board 43
On face, and it is provided at least one electrical bar mounting hole 45 in the upper surface of the heat block 41, in the rear end of the heat block 41
Face offers the specimen holder mounting hole 46 for the specimen holder 17 to be fixedly mounted.As shown in figure 4, by aforementioned structure,
In test, test agent is mounted on the heat block 41 by the specimen holder 17, and electrical bar is inserted into the heat block 41
In two electrical bar mounting holes 45 of upper surface, heat is conducted to the heat block 41 by electrical bar, then is conducted to the sample
Fixture 17, is finally conducted to test agent, it is ensured that realizes that sample heats purpose.
To sum up, it is filled using the impact wear test that can simulate the grains of sand and high temperature complex environment provided by the present embodiment
It sets, has the following technical effect that：
(1) grains of sand and high temperature ring can accurately be controlled impact velocity and be may be implemented in by present embodiments providing one kind
On the one hand the novel impact abrasion testing equipment tested under border can be used the electric sucker of impact and go to power on according to certain rule
Absorption/lower electricity release formed punch mounting seat mode, realizes and discharges formed punch mounting seat in maximum speed to guarantee to rush every time
The consistent purpose of speed is hit, makes it possible to control ballistic motion more accurately, Song Sha mechanism, the grains of sand on the other hand can be used certainly
Dynamic circulation mechanism and sample heating mechanism are realized under the grains of sand and hot environment to the research of impact wear, and current application is met
Demand.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. the impact abrasion testing equipment that one kind can simulate the grains of sand and high temperature complex environment, it is characterised in that：Including shock machine
Structure (1), Song Sha mechanism (2), grains of sand automatic circulation mechanism (3), sample heating mechanism (4) and the rack for installing aforementioned mechanism
(5)；
The beater mechanism (1) include from the rear linear drive motor (11) set gradually to front direction, impact electric sucker (12),
Formed punch mounting seat (13) and plunger holder (14), wherein the linear drive motor (11) is for driving the impact electricity to inhale
Disk (12) does straight reciprocating motion in the longitudinal direction, and the electric sucker (12) of the impact is used for by powering on band magnetic/lower electric demagnetization
Mode makes the formed punch mounting seat (13) also do straight reciprocating motion in the longitudinal direction, and the formed punch mounting seat (13) is used
In in the front end face installation plunger holder (14)；
The Song Sha mechanism (2) includes sending hourglass bucket (21) and husky flow control valve (22), wherein described that hourglass bucket (21) is sent to set
The top in the plunger holder (14) is set, the sand flow control valve (22) is arranged in the neck for sending hourglass bucket (21)；
The grains of sand automatic circulation mechanism (3) includes grains of sand recycling bins (33), grains of sand reservoir (34) and grains of sand collection conduit
(35), wherein grains of sand recycling bins (33) setting exists in the lower section of the rack (5), grains of sand reservoir (34) setting
The top for sending hourglass bucket (21), the both ends of the grains of sand collection conduit (35) be respectively communicated with the grains of sand recycling bins (33) and
The grains of sand reservoir (34)；
The sample heating mechanism (4) is arranged in the front of the plunger holder (14), and including heat block (41) and specimen holder
Have (17), wherein the specimen holder (17) is mounted on the rear end face of the heat block (41)；
The plunger holder (14) is for clamping formed punch, and the specimen holder (17) is for clamping test agent, the slam fixture
(14) it is oppositely arranged with the specimen holder (17), and keeps the center line of the two on the same line.
2. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The electric sucker (12) of the impact is realized under the power control of SCM system powers on band magnetic, and in the single-chip microcontroller system
The power-off control of system is lower to realize lower electric demagnetization.
3. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：It is described to impact output end phase of the electric sucker (12) by buffering heat dissipation base (15) and the linear drive motor (11)
Even；
The buffering heat dissipation base (15) includes mounting blocks (151), cooling fin (152), buffer pull rod (153), damping spring
(154) and fixes sleeve (155), wherein the inside of the mounting blocks (151) is provided with rectangular through-hole, the cooling fin (152)
Inside is provided with threaded hole, and the buffer pull rod (153) is in three sections of ladder axis shapes, the peripheral surface of the fixes sleeve (155)
Equipped with screw thread；
The mounting blocks (151) are used to install the electric sucker (12) of the impact in front end face, and the cooling fin (152) is mounted on institute
On the rectangular through-hole inner wall for stating mounting blocks (151), the leading portion of the buffer pull rod (153) is passing through the damping spring (154)
The coaxially connected fixes sleeve (155) afterwards, the coaxially connected linear drive motor of back segment of the buffer pull rod (153)
(11) output end, the fixes sleeve (155) are fixed in the threaded hole by being threadedly engaged.
4. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The formed punch mounting seat (13) is groove-like structure, and is equipped in the rear end face of the formed punch mounting seat (13)
Cylindrical silicon steel disc (131)；
The rear end face of the cylindrical silicon steel disc (131) is oppositely arranged with the electric sucker (12) of the impact, and makes the center of the two
Line is on the same line.
5. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The beater mechanism (1) further includes air-float guide rail (16), guide rail mounting seat (161), grating scale (162), grating scale
Reading head (163) and read head mounting plate (164), wherein the grating ruler reading head (163) and the grating scale (162) cooperate
It uses, the guide rail mounting seat (161) is fixedly mounted on the rack (5)；
The air-float guide rail (16) is mounted on the guide rail mounting seat (161) from rear to preceding, the air-float guide rail (16)
The formed punch mounting seat (13) is movably installed on slide carriage, the grating scale (162) is attached to slipping for the air-float guide rail (16)
On plate, the grating ruler reading head (163) is mounted on the guide rail mounting seat (161) by the read head mounting plate (164)
On；
The grating scale (162) is oppositely arranged with the grating ruler reading head (163), and makes the clearance distance of the two between 1mm
Between~1.5mmm.
6. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The sand flow control valve (22) includes flow control valve body (221), and under the husky flow control valve (22)
Side, which is equipped with, send sand tube road (26)；
It is provided with grains of sand through-hole (222) at the top of the flow control valve body (221), the side of the flow control valve body (221)
It is provided with speed regulation hole (223), is provided with flow velocity adjustment sheet (224) in the speed regulation hole (223), on the flow velocity adjustment sheet (224)
Post scale (225)；
The neck passage for sending hourglass bucket (21), the husky flow control valve (22) inner passage and described send sand tube road
(26) inner passage is the consistent rectangular opening of size.
7. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：It further include funnel stand (24), the first stationary fixture (25), the second stationary fixture (38), first crossbeam (23) and
Two crossbeams (37), wherein the funnel stand (24) is fixed on the rack (5), and first stationary fixture (25) opens up
There is the first cross through hole, second stationary fixture (38) offers the second cross through hole；
First stationary fixture (25) is mounted on the middle part of the funnel stand (24), and one end of the first crossbeam (23) is solid
It is sent hourglass bucket (21) described in Dingan County's dress, the other end of the first crossbeam (23) is by way of passing through first cross through hole
It is fixed on the funnel stand (24)；
Second stationary fixture (38) is mounted on the top of the funnel stand (24), and one end of the second cross beam (37) is solid
Dingan County fills the grains of sand reservoir (34), and the other end of the second cross beam (37) passes through across the side of second cross through hole
Formula is fixed on the funnel stand (24).
8. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The grains of sand automatic circulation mechanism (3) further includes rectangle feed opening (31) and grains of sand recycling funnel (32), wherein institute
Rectangle feed opening (31) are stated to be arranged on the rack (5) and in the underface for sending hourglass bucket (21), the grains of sand time
Funnel (32) are received to be fixed on the underface of the feed opening (31) and be in the surface of the grains of sand recycling bins (33)；
The entirety of the grains of sand recycling bins (33) is in rectangular box structure, and opening is equipped at the top of it, is set at its cabinet base angle
There are pipe joint (331), wherein the pipe joint (331) is connected to one end of the grains of sand collection conduit (35)；
The adjacent V-shaped incline structure of inner wall of the two of the grains of sand recycling bins (33), and inclination extends to the pipeline and connects respectively
Mouth (331).
9. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The grains of sand reservoir (34) is funnel shaped with a closed top, and vertical cylinder is provided in its center of top
Shape grains of sand channel (341), wherein the top sidewall of the grains of sand channel (341) opens that there are two be respectively communicated with the grains of sand to collect
The interconnection interface (342) of pipeline (35) and air pump, and the setting in the interconnection interface (342) being connected to the air pump
There are filter device (36)；
The grains of sand reservoir (34) further includes grains of sand cut-off spool (343), flexible cable (344), roller (345) and piston valve gate
Motor (346) processed, wherein grains of sand cut-off spool (343) is made of rubber material, and the piston valve controls motor
(346) for driving the roller (345) to rotate on vertical plane；
Grains of sand cut-off spool (343) is located at the lower opening of the grains of sand reservoir (34), and the one of the flexible cable (344)
End connects grains of sand cut-off spool (343), and the other end of the flexible cable (344) is connected to the flexible cable (344).
10. one kind as described in claim 1 can simulate the impact abrasion testing equipment of the grains of sand and high temperature complex environment, special
Sign is：The sample heating mechanism (4) further includes heating mechanism pedestal (42), thermal insulation board (43) and thermal insulation board mounting blocks
(44), wherein the heating mechanism pedestal (42) is mounted on the rack (5)；
After the thermal insulation board (43) is fixedly mounted on the heating mechanism pedestal (42) by the thermal insulation board mounting blocks (44)
On end face；
The heat block (41) is mounted on the rear end face of the thermal insulation board (43), and opens in the upper surface of the heat block (41)
There is at least one electrical bar mounting hole (45), offers in the rear end face of the heat block (41) for the sample to be fixedly mounted
The specimen holder mounting hole (46) of fixture (17).
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|---|---|---|---|
| CN201810942578.7A CN108918314B (en) | 2018-08-17 | 2018-08-17 | Impact wear test device capable of simulating sand grains and high-temperature complex environment |
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| CN112630058A (en) * | 2020-12-15 | 2021-04-09 | 成都理工大学 | Assembled granular impact test device |
| CN113916766A (en) * | 2021-11-11 | 2022-01-11 | 中车长春轨道客车股份有限公司 | Coating sand wind resistance testing arrangement |
| CN114878311A (en) * | 2022-05-25 | 2022-08-09 | 中国兵器装备集团西南技术工程研究所 | Sand dust environment-friction wear dynamic test device |
| CN117388094A (en) * | 2023-12-13 | 2024-01-12 | 武汉东海石化重型装备有限公司 | Device and method for detecting impact performance of heat exchanger pipeline |
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| CN111579189A (en) * | 2020-04-02 | 2020-08-25 | 广州华德汽车弹簧有限公司 | Suspension spring gravel impact rotating mechanism |
| CN112630058A (en) * | 2020-12-15 | 2021-04-09 | 成都理工大学 | Assembled granular impact test device |
| CN113916766A (en) * | 2021-11-11 | 2022-01-11 | 中车长春轨道客车股份有限公司 | Coating sand wind resistance testing arrangement |
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| CN114878311B (en) * | 2022-05-25 | 2023-08-15 | 中国兵器装备集团西南技术工程研究所 | Sand dust environment-friction wear dynamic test device |
| CN114878311A (en) * | 2022-05-25 | 2022-08-09 | 中国兵器装备集团西南技术工程研究所 | Sand dust environment-friction wear dynamic test device |
| CN117388094A (en) * | 2023-12-13 | 2024-01-12 | 武汉东海石化重型装备有限公司 | Device and method for detecting impact performance of heat exchanger pipeline |
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