CN109488500A - A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube - Google Patents
A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube Download PDFInfo
- Publication number
- CN109488500A CN109488500A CN201811484838.7A CN201811484838A CN109488500A CN 109488500 A CN109488500 A CN 109488500A CN 201811484838 A CN201811484838 A CN 201811484838A CN 109488500 A CN109488500 A CN 109488500A
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- screen plate
- photoelectric
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- plate
- rotation
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- 239000008188 pellet Substances 0.000 title claims abstract description 14
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000005480 shot peening Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The wheel abrator pellet jet velocity test device based on photoelectric tube that the present invention relates to a kind of, including nozzle, bullet, fixed screen plate, rotary screen structure and photoelectrical velocity measure equipment, nozzle is down-set, fixed screen plate is provided with below nozzle, single small sircle hole is provided on fixed screen plate, roundlet centerline hole passes through nozzle centroid, rotary screen structure is set below fixed screen plate, single big hole is provided on the rotation screen plate of rotary screen structure, when rotation screen plate is rotated to certain angle, great circle centerline hole is overlapped with roundlet centerline hole, photoelectrical velocity measure equipment is set below rotary screen structure, the transmitting light of two pairs of photoelectric tubes of photoelectrical velocity measure equipment intersects with great circle centerline hole.The present invention provides a kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube, can speed that is simple, accurately measuring shot-peening.
Description
Technical field
The present invention relates to a kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube, belong to the skill that tests the speed
Art field.
Background technique
Bead is to bombard workpiece surface using bullet and be implanted into residual compressive stress, and the cold of lifting workpieces fatigue strength adds
Work technique, it may also be used for surface dulling, descale and eliminate casting, forging, the residual stress of weldment etc..Shot-peening using high-pressure blast or
Compressed air ejects bullet high speed as power.
Pellet injection is to workpiece surface, since its speed is fast, can form powerful impact force and energy, to study its punching
Hit the size of power and energy, it is necessary to measure the speed of bullet.It tests the speed at present to the object of small-volume high-speed degree, method has
Photoelectric tube tachymeter, high-speed photography, particle image velocimeter etc., but these equipment prices are expensive, and functional structure is complicated, so that
Corresponding research cost increases.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of, the wheel abrator pellet jet velocity based on photoelectric tube is tested
Method and device.
To achieve the above object, the present invention provides a kind of wheel abrator pellet jet velocity test device based on photoelectric tube,
Including nozzle 3, bullet 4, fixed screen plate 5, rotary screen structure and photoelectrical velocity measure equipment, the nozzle 3 is down-set, described
3 lower section distance l of nozzle1Place is provided with the fixed screen plate 5, and the rotary screen is arranged below the fixed screen plate 5
The photoelectrical velocity measure equipment is arranged in structure, the rotary screen structure lower section；
It is d that single diameter is provided on the fixed screen plate 51Small sircle hole, roundlet centerline hole pass through 3 shape of nozzle
The heart；
The rotary screen structure includes shaft 1 and rotation screen plate 2, is connected between the shaft 1 and the rotation screen plate 2
Form is axis hole interference fit；
The rotation screen plate 2 is t at a distance from the fixed screen plate 51, it is provided on the rotation screen plate 2 single straight
Diameter is d2Big hole, when the rotation screen plate 2 rotation to certain angle, great circle centerline hole and roundlet centerline hole weight
It closes；
The photoelectrical velocity measure equipment includes upper mounted plate 8, bottom plate 11 and two pairs of photoelectric tubes, fixed plate 8 and described
A pair of of photoelectric tube is respectively set on bottom plate 11, each pair of photoelectric tube includes a photoemission cell and a photoelectric receiving tube；
Fixed plate 8 is t at a distance from the rotation screen plate 22, the setting of bottom plate 11 is in fixed plate
8 lower section distance l2Place, the transmitting light of two pairs of photoelectric tubes all with big hole vertical and intersectant centerline.
The wheel abrator pellet jet velocity test method based on photoelectric tube that the present invention also provides a kind of, including following step
It is rapid:
Step 1, starting motor or other power-equipments, drive the uniform rotation of rotary screen structure, rotate the great circle on screen plate 2
Centerline hole is periodically overlapped with roundlet centerline hole；
Step 2, starting wheel abrator, 3 sustained firing of nozzle go out a large amount of bullets 4, and 4 speed of bullet is ν at nozzle 30, screened through fixed
Plate 5, small sircle hole can be passed through and the bullet 4 of directional velocity vertically downward by filtering out；
Step 3, bullet 4 continue to move downward, through rotary screen structure, adjustment rotation 2 rotation speed of screen plate, so that big hole
Center line is overlapped 4 quantity of bullet of number >=pass through rotation screen plate 2 with roundlet centerline hole；
Successively by two pairs of photoelectric tubes on upper mounted plate 8 and bottom plate 11, bullet 4 is passed through for step 4, the bullet 4 after screening
Speed when photoemission cell 6 and photoelectric receiving tube 7 is v1, optical signal is converted to electric signal by photoelectric tube, to electric signal progress
It collects, processing, and then show that bullet 4 moves to time T used in second pair of photoelectric tube from first pair of photoelectric tube；
Step 5, can be in the hope of the initial velocity v of bullet 4 according to following two formula0:
v 1 2-v0 2=2gh1 (1)
v 1T+gT2/2=h2 (2)
Wherein, g is acceleration of gravity, h1The vertical range of photoemission cell 6 and photoelectric receiving tube 7, h are arrived for nozzle 32It is
Vertical range of a pair of of photoelectric tube to second pair of photoelectric tube.
The present invention have it is following the utility model has the advantages that
A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube provided by the invention, speed testing device
It is simple and reliable for structure, the speed of the bullet of wheel abrator ejection can be accurately measured.Screen plate and rotary screen are fixed in the present invention
Select mechanism that can filter out the bullet of directional velocity vertically downward, and an only bullet for discontinuity passes through rotation screen plate,
Convenient for the measurement of photoelectrical velocity measure equipment；Using photoelectric detecting technology, response is fast, and systematic error is small, and the velocity of shot measured has
Higher accuracy.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the size of each part schematic diagram in the present invention；
Fig. 3 is velocity of shot and displacement diagram in the present invention；
Fig. 4 is shot-peening velocity-measuring system schematic diagram of the invention.
In figure: 1 shaft, 2 rotation screen plates, 3 nozzles, 4 bullets, 5 fixed screen plates, 6 photoemission cells, 7 opto-electronic receivers
Pipe, 8 upper mounted plates, 9 photoemission cells, 10 photoelectric receiving tubes, 11 bottom plates.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention carry out it is clear, completely retouch
It states and discusses, it is clear that as described herein is only a part of example of the invention, is not whole examples, is based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, protection scope of the present invention is belonged to.
As depicted in figs. 1 and 2, a kind of wheel abrator pellet jet velocity test device based on photoelectric tube, including nozzle 3,
Bullet 4, fixed screen plate 5, rotary screen structure and photoelectrical velocity measure equipment.Nozzle 3 is down-set, 3 lower section distance l of nozzle1Place
It is provided with fixed screen plate 5, rotary screen structure is set below fixed screen plate 5, photoelectric measuring is set below rotary screen structure
Speed variator；It is d that single diameter is provided on fixed screen plate 51Small sircle hole, roundlet centerline hole pass through 3 centroid of nozzle；Rotation
Sorting mechanism includes shaft 1 and rotation screen plate 2, and type of attachment is axis hole interference fit between shaft 1 and rotation screen plate 2；
Rotating screen plate 2 at a distance from fixed screen plate 5 is t1, rotate and be provided with single diameter on screen plate 2 as d2Big hole, rotation
When turning the rotation of screen plate 2 to certain angle, great circle centerline hole is overlapped with roundlet centerline hole；Photoelectrical velocity measure equipment includes upper solid
Fixed board 8, bottom plate 11 and two pairs of photoelectric tubes, each pair of photoelectric tube include photoemission cell and photoelectric receiving tube, on upper mounted plate 8
First pair of photoelectric tube, i.e. photoemission cell 6 and photoelectric receiving tube 7 are set, second pair of photoelectric tube, i.e. light are set on bottom plate 11
Electric transmitting tube 9 and photoelectric receiving tube 10；Upper mounted plate 8 is t at a distance from rotation screen plate 22, the setting of bottom plate 11 is upper solid
8 lower section distance l of fixed board2Place, the transmitting light of two pairs of photoelectric tubes all with big hole vertical and intersectant centerline；Fixed 5 He of screen plate
Screen plate 2 is rotated with a thickness of t, and upper mounted plate 8 and bottom plate 11 are with a thickness of 2t.
Bullet diameter is D, and other sizes value range is as follows: t < D, 1.1D < d1≤ 1.5D, 1.5D < d2≤ 2D, 2D <
l1< 5D, 1.1D < t1< 1.5D；t2Size can suitably be chosen without strict demand.l2Size needs are suitably chosen, if
Distance is too small between two pairs of photoelectric tubes, and making the duration T measured, the value is too small, so as to cause the muzzle velocity degree being calculated
v0Error is big；If distance is too big between two pairs of photoelectric tubes, windage and other factors will lead to velocity of shot decline, in turn
Lead to the muzzle velocity degree v being calculated0Numerical value is less than normal.
As shown in figure 3, the speed of nozzle exit bullet is v0, when bullet passes through first pair of photoelectric tube, speed v1, bullet
When ball passes through second pair of photoelectric tube, speed v2, the vertical range of nozzle exit to first pair of photoelectric tube is h1, first pair of light
The vertical range of fulgurite to second pair of photoelectric tube is h2。
A kind of wheel abrator pellet jet velocity test method based on photoelectric tube, comprising the following steps: starting motor or its
His power-equipment drives the uniform rotation of rotary screen structure, rotates great circle centerline hole on screen plate 2 periodically and roundlet
Centerline hole is overlapped.Start wheel abrator, 3 sustained firing of nozzle goes out a large amount of bullets 4, and through fixed screen plate 5, filtering out can be smooth
Across small sircle hole and the bullet 4 of directional velocity vertically downward.Bullet 4 continues to move downward, through rotary screen structure, adjustment rotation
2 rotation speed of screen plate, so that great circle centerline hole is overlapped number >=pass through rotation screen plate 2 with roundlet centerline hole
The quantity of bullet 4.Bullet 4 after screening is successively by two pairs of photoelectric tubes on upper mounted plate 8 and bottom plate 11, photoelectric tube
Optical signal is converted to electric signal, electric signal is collected, is handled, and then show that bullet 4 is moved to from first pair of photoelectric tube
Time T used in second pair of photoelectric tube.
It can be in the hope of the initial velocity v of bullet 4 according to following two formula0:
v 1 2-v0 2=2gh1 (1)
v 1T+gT2/2=h2 (2)
Wherein, g is acceleration of gravity.
With reference to Fig. 4, Fig. 4 is shot-peening velocity-measuring system schematic diagram of the invention.Photoelectric tube used is digital photoelectric tube, can be by light
Signal is converted directly into digital electric signal 0 or 1.When bullet 4 blocks photoemission cell and is emitted to the light of photoelectric receiving tube, number
Photoelectric tube exports digital electric signal 1, conversely, digital photoelectric tube exports digital electric signal 0.
Bullet 4 blocks photoemission cell 6 and is emitted to photoelectric receiving tube 7 by first pair of photoelectric tube on upper mounted plate 8
Light when, digital photoelectric tube exports digital electric signal 1, after single-chip microcontroller receives the digital electric signal of first pair of photoelectric tube, master control
Module opening timing device interrupts, and initialization time register is 0, and timing module starts timing.
Bullet 4 blocks photoemission cell 9 and is emitted to photoelectric receiving tube 10 by first pair of photoelectric tube on bottom plate 11
Light when, digital photoelectric tube exports digital electric signal 1, after single-chip microcontroller receives the digital electric signal of second pair of photoelectric tube, master control
Module closes timing module, obtains time difference T by reading the data in single-chip microcontroller register, time difference T be bullet 4 from
First pair of photoelectric tube moves to time T used in second pair of photoelectric tube.
The initial velocity v of bullet is acquired according to following two formula0:
v 1 2-v0 2=2gh1 (1)
v 1T+gT2/2=h2 (2)
Wherein, g is acceleration of gravity.Single-chip microcontroller continuously measures, calculates the speed of 5 to 10 bullets, and the speed for acquiring bullet is flat
Mean value, is then input to display module, and display module shows the initial velocity value of bullet.
Claims (2)
1. a kind of wheel abrator pellet jet velocity test device based on photoelectric tube, which is characterized in that including nozzle 3, bullet 4,
Fixed screen plate 5, rotary screen structure and photoelectrical velocity measure equipment, the nozzle 3 is down-set, the 3 lower section distance l of nozzle1
Place is provided with the fixed screen plate 5, and the rotary screen structure, the rotation screening are arranged below the fixed screen plate 5
The photoelectrical velocity measure equipment is set below mechanism；
It is d that single diameter is provided on the fixed screen plate 51Small sircle hole, roundlet centerline hole pass through 3 centroid of nozzle；
The rotary screen structure includes shaft 1 and rotation screen plate 2, is connected between the shaft 1 and the rotation screen plate 2
Form is axis hole interference fit；
The rotation screen plate 2 is t at a distance from the fixed screen plate 51, single diameter is provided on the rotation screen plate 2
For d2Big hole, when the rotation screen plate 2 rotation to certain angle, great circle centerline hole is overlapped with roundlet centerline hole；
The photoelectrical velocity measure equipment includes upper mounted plate 8, bottom plate 11 and two pairs of photoelectric tubes, fixed plate 8 and described
A pair of of photoelectric tube is respectively set on bottom plate 11, each pair of photoelectric tube includes a photoemission cell and a photoelectric receiving tube；
Fixed plate 8 is t at a distance from the rotation screen plate 22, the setting of bottom plate 11 is in fixed plate 8
Lower section distance l2Place, the transmitting light of two pairs of photoelectric tubes all with big hole vertical and intersectant centerline.
2. a kind of wheel abrator pellet jet velocity test method based on photoelectric tube, which comprises the following steps:
Step 1, starting motor or other power-equipments, drive the uniform rotation of rotary screen structure, rotate the great circle on screen plate 2
Centerline hole is periodically overlapped with roundlet centerline hole；
Step 2, starting wheel abrator, 3 sustained firing of nozzle go out a large amount of bullets 4, and 4 speed of bullet is ν at nozzle 30, screened through fixed
Plate 5, small sircle hole can be passed through and the bullet 4 of directional velocity vertically downward by filtering out；
Step 3, bullet 4 continue to move downward, through rotary screen structure, adjustment rotation 2 rotation speed of screen plate, so that big hole
Center line is overlapped 4 quantity of bullet of number >=pass through rotation screen plate 2 with roundlet centerline hole；
Successively by two pairs of photoelectric tubes on upper mounted plate 8 and bottom plate 11, bullet 4 is passed through for step 4, the bullet 4 after screening
Speed when photoemission cell 6 and photoelectric receiving tube 7 is v1, optical signal is converted to electric signal by photoelectric tube, to electric signal progress
It collects, processing, and then show that bullet 4 moves to time T used in second pair of photoelectric tube from first pair of photoelectric tube；
Step 5, can be in the hope of the initial velocity v of bullet 4 according to following two formula0:
v 1 2-v0 2=2gh1 (1)
v 1T+gT2/2=h2 (2)
Wherein, g is acceleration of gravity, h1The vertical range of photoemission cell 6 and photoelectric receiving tube 7, h are arrived for nozzle 32It is first
To photoelectric tube to the vertical range of second pair of photoelectric tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484838.7A CN109488500A (en) | 2018-12-06 | 2018-12-06 | A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484838.7A CN109488500A (en) | 2018-12-06 | 2018-12-06 | A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube |
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| Publication Number | Publication Date |
|---|---|
| CN109488500A true CN109488500A (en) | 2019-03-19 |
Family
ID=65699460
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484838.7A Pending CN109488500A (en) | 2018-12-06 | 2018-12-06 | A kind of wheel abrator pellet jet velocity test method and device based on photoelectric tube |
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| CN (1) | CN109488500A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354969A (en) * | 2021-09-23 | 2022-04-15 | 山东开泰抛丸机械股份有限公司 | Speed measuring device for testing shot projection speed of shot blasting machine |
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|---|---|---|---|---|
| US5226331A (en) * | 1991-10-03 | 1993-07-13 | General Electric Company | Apparatus and method for measuring the particle number rate and the velocity distribution of a sprayed stream |
| CN103592458A (en) * | 2013-11-11 | 2014-02-19 | 哈尔滨工业大学 | Laser light curtain blocking type speed measuring system for measuring light-gas gun millimeter-level bullet speed |
| JP2016080461A (en) * | 2014-10-15 | 2016-05-16 | 日油株式会社 | Speed measurement device of bullet inside bore |
| CN106018869A (en) * | 2016-06-30 | 2016-10-12 | 南京理工大学 | Initial velocity measuring device for X-ray light screen |
| CN106392864A (en) * | 2016-11-22 | 2017-02-15 | 太原理工大学 | Two-phase fluid abrasive particle sliding speed measuring device and measuring method for viscoelastic fluid abrasive particles |
| CN207964868U (en) * | 2018-03-29 | 2018-10-12 | 中北大学 | High-spin spin raie test device based on Orthogonal Double geomagnetic induction coil |
| CN209179916U (en) * | 2018-12-06 | 2019-07-30 | 济南大学 | A kind of wheel abrator pellet jet velocity test device based on photoelectric tube |
-
2018
- 2018-12-06 CN CN201811484838.7A patent/CN109488500A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5226331A (en) * | 1991-10-03 | 1993-07-13 | General Electric Company | Apparatus and method for measuring the particle number rate and the velocity distribution of a sprayed stream |
| CN103592458A (en) * | 2013-11-11 | 2014-02-19 | 哈尔滨工业大学 | Laser light curtain blocking type speed measuring system for measuring light-gas gun millimeter-level bullet speed |
| JP2016080461A (en) * | 2014-10-15 | 2016-05-16 | 日油株式会社 | Speed measurement device of bullet inside bore |
| CN106018869A (en) * | 2016-06-30 | 2016-10-12 | 南京理工大学 | Initial velocity measuring device for X-ray light screen |
| CN106392864A (en) * | 2016-11-22 | 2017-02-15 | 太原理工大学 | Two-phase fluid abrasive particle sliding speed measuring device and measuring method for viscoelastic fluid abrasive particles |
| CN207964868U (en) * | 2018-03-29 | 2018-10-12 | 中北大学 | High-spin spin raie test device based on Orthogonal Double geomagnetic induction coil |
| CN209179916U (en) * | 2018-12-06 | 2019-07-30 | 济南大学 | A kind of wheel abrator pellet jet velocity test device based on photoelectric tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354969A (en) * | 2021-09-23 | 2022-04-15 | 山东开泰抛丸机械股份有限公司 | Speed measuring device for testing shot projection speed of shot blasting machine |
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