CN109854548A - A kind of oil path control system of high temperature oil restraint layer - Google Patents
A kind of oil path control system of high temperature oil restraint layer Download PDFInfo
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- CN109854548A CN109854548A CN201910185941.XA CN201910185941A CN109854548A CN 109854548 A CN109854548 A CN 109854548A CN 201910185941 A CN201910185941 A CN 201910185941A CN 109854548 A CN109854548 A CN 109854548A
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Abstract
The present invention relates to temperature-controlled laser shock peening technical field, in particular a kind of oil path control system of high temperature oil restraint layer, including oil tank, gate valve, oily filter, oil pump, check valve, shut-off valve A, shut-off valve B, protective cover, oil returning tube.The present invention, it is easy to operate, it is portable high, it can directly be reequiped on existing device, it is high by system high temperature oil temperature generated, and device stability is preferable, innovative design oil return system, save the use of high temperature oil, and it does not pollute, reduce the cost of temperature-controlled laser shock peening technology, since the boiling point of high temperature oil is higher, and there is the property of the fluid as water, requirement of the temperature-controlled laser shock peening to restraint layer can be met well, from the point of view of experiment effect, it is remarkably improved stability of the residual stress layer under cyclic loading and hot environment, it is filtered and is recycled by the recycling to high temperature oil, the cost of temperature-controlled laser shot-peening is reduced simultaneously, it is of great significance to the application of temperature-controlled laser shot-blast unit.
Description
Technical field
The present invention relates to temperature-controlled laser shock peening technical field, the oil circuit of specially a kind of high temperature oil restraint layer controls system
System.
Background technique
Reiforcing laser impact technology principle is: when high power density, the laser action of short pulse are in the energy of metal surface
When absorber coatings, coating absorbs laser energy, and target temperature is caused to increase, and explosive vaporization occurs for the vapor particles in coating,
And it is formed substantially simultaneously a large amount of dense high temperature, high pressure plasma.The plasma continues absorption laser energy and just sharply rises
Temperature expansion, explosion forms high-pressure shocking wave under the constraint of restraint layer, is transmitted to metal surface and internally propagates, refiner material table
Face structure simultaneously introduces high numerical value residual compressive stress, to greatly improve the performance of material.
But under traditional reiforcing laser impact technology, the plastic strain layer high-temperature stability for strengthening generation is poor, seriously
Limit the popularization and application of the technology, recently research have indicated that, Thermal-mechanical Coupling act through high temperature to material stress strain path with
And microstructure generates complex effects, can significantly improve the stability of residual compressive stress, and then greatly improve the fatigue of material
Service life.Strengthen release problem of the performance under high temperature and alternate load effect for laser peening, related scholar proposes heat shock
Light shock peening technology combines reiforcing laser impact technology with the advantage that Thermal-mechanical Coupling acts on, and laser punching greatly improved
Hit the fatigue life of the stability and material of reinforcement technique induction residual compressive stress under cyclic loading or high temperature.Thermal laser punching
Reinforcement technique is hit, fusion light/multiple energy fields of power/heat carry out profound surface to material and are modified, and passing through improves laser-impact
The heterogeneous microstructure of induction is regulated and controled and is optimized to the macro-mechanical property and fatigue behaviour of material, to significantly mention
The Stability and dependability of key mechanics performance indicator in high conventional laser shock peening technology.
Compared with traditional laser reinforcing technology, reiforcing laser impact technology at room temperature generallys use water as constraint
Layer, low in cost, binding effect is good, and operability is stronger, but in thermal laser shock peening technology, processing temperature 100 DEG C-
, cannot be using water as restraint layer between 500 DEG C, by experimental verification, final choice high temperature oil is strong as temperature-controlled laser impact
The restraint layer of change technology.Since high temperature oil and water have biggish difference in properties, and high temperature oil price is relatively high, passes
Waterway control system during the room temperature of system is laser impact intensified fails substantially, it is therefore necessary to redesign a set of new oil circuit control
System processed is to meet the requirement of temperature-controlled laser shock peening technology.
For overcome the deficiencies in the prior art, therefore, a kind of oil circuit control of high temperature oil restraint layer is proposed regarding to the issue above
System processed.
Summary of the invention
The purpose of the present invention is to provide a kind of oil path control systems of high temperature oil restraint layer, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of oil path control system of high temperature oil restraint layer, including oil tank, gate valve, oily filter, oil pump, check valve, shut-off valve
A, shut-off valve B, protective cover, oil returning tube, the oil tank connect gate valve by pipeline, and the gate valve connects oily filter by pipeline,
The oily filter connects check valve by pipeline, and the check valve is separately connected shut-off valve A and shut-off valve B by pipeline, and described section
Only valve A and shut-off valve B passes through soft pipeline respectively and is connected with oil burner nozzle, and the oil burner nozzle is set in protective cover, the protective cover
Oil tank is connected by oil returning tube.
Preferably, it is provided with heating device in the oil tank, temperature measuring device is installed in the oil tank.
Preferably, the check valve uses through type, is threadedly coupled and is mounted on pipeline.
Preferably, oil path control system concrete operation step are as follows:
A. first it is the processing temperature requirement for meeting laser temperature shot-peening, high temperature oil need to be heated, by selected oil
It is injected into oil tank, starts the heating device of oil tank, it is heated, temperature measuring device is installed in oil tank, can supervise in real time
Survey oil temperature；
B. oil tank is connected with gate valve, when gate valve is closed, flashboard is pressed to valve seat by force by external force, to guarantee to seal
The leakproofness in face can open the gate valve, keep unimpeded oil circuit when the oil in oil tank is heated to certain temperature；
C. gate valve is followed by oil strainer, removes the larger solid impurity in oil removing, makes the normal work and operating that guarantee oil pump,
And make the uniform free from admixture of high temperature oil restraint layer sprayed, it is ensured that the stability of technique；
D. oil strainer is followed by oil pump, is responsible for the oil suction and pressure oil of entire oil circuit, by reciprocal fortune of the plunger in plunger bushing
It is dynamic to complete；
E. it is connected after oil pump with check valve, flows high temperature oil can only along oil inlet, oil outlet high temperature oil can not flows back, and prevent
The only reverse flow of oil stream, check valve use through type, are threadedly coupled and are installed on the pipeline；
F. shut-off valve A and shut-off valve B are followed by, shut-off valve plays cutting and throttling to the high temperature oil in the pipeline where it
Important function selects Oblique Stop Valves, and the runner and sprue of valve body are at an oblique line, the extent of the destruction ratio of such flow regime
Conventional shut-off valve wants small；
G. it is connected with oil burner nozzle respectively after shut-off valve, is connected using soft pipeline, position and the posture of adjustment nozzle can be facilitated,
Ensure high temperature oil can uniformly continuous be sprayed onto laser peening point position；
H. laser temperature shot-peening processing district is located in protective cover, and used high temperature oil can be flowed into this by oil returning tube naturally
In bucket, which is connected with oil tank, and high temperature oil collection is re-injected into oil tank.
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention, it is easy to operate, it is portable high, it can directly be reequiped on existing device.
2, of the invention, it is high by system high temperature oil temperature generated, and device stability is preferable.
3, of the invention, innovative design oil return system is saved the use of high temperature oil, and is not polluted, and reduces temperature-controlled laser
The cost of shock peening technology.
4, of the invention, strengthening effect is good.Since the boiling point of high temperature oil is higher, and there is the property of the fluid as water, it can
Meet requirement of the temperature-controlled laser shock peening to restraint layer well, from the point of view of experiment effect, is remarkably improved residual stress layer
Stability under cyclic loading and hot environment.
Detailed description of the invention
Fig. 1 is a kind of oil path control system overall structure diagram of high temperature oil restraint layer of the present invention.
In figure: 1, oil tank；2, gate valve；3, oily filter；4, oil pump；5, check valve；6, shut-off valve A；7, shut-off valve B；8, it protects
Cover；9, oil returning tube.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution:
A kind of oil path control system of high temperature oil restraint layer, including oil tank 1, gate valve 2, oily filter 3, oil pump 4, check valve 5, cut
Only valve A6, shut-off valve B7, protective cover 8, oil returning tube 9, oil tank 1 connect gate valve 2 by pipeline, and gate valve 2 connects oil by pipeline
Filter 3, oily filter 3 connect check valve 5 by pipeline, and check valve 5 is separately connected shut-off valve A6 and shut-off valve B7, shut-off valve by pipeline
A6 and shut-off valve B7 passes through soft pipeline respectively and is connected with oil burner nozzle, and oil burner nozzle is set in protective cover 8, and protective cover 8 passes through oil return
Pipeline 9 connects oil tank 1.
Further, it is provided with heating device in oil tank 1, temperature measuring device is installed in oil tank 1.
Further, check valve 5 uses through type, is threadedly coupled and is mounted on pipeline.
Further, oil path control system concrete operation step are as follows: it is first the processing temperature requirement for meeting laser temperature shot-peening,
High temperature oil need to be heated, selected oil is injected into oil tank 1, started the heating device of oil tank, it is heated,
Temperature measuring device is installed in oil tank, it being capable of real-time monitoring oil temperature；Oil tank 1 is connected with gate valve 2, be by outer when gate valve 2 is closed
Flashboard is pressed to valve seat by force by power, to guarantee the leakproofness of sealing surface, when the oil in oil tank is heated to certain temperature, can be beaten
The gate valve 2 is opened, oil circuit is kept unimpeded；Gate valve 2 is followed by oil strainer 3, removes the larger solid impurity in oil removing, makes to guarantee oil pump
4 normal work and operating, and make the uniform free from admixture of high temperature oil restraint layer sprayed, it is ensured that the stability of technique；Oil strainer 3
It is followed by oil pump 4, is responsible for the oil suction and pressure oil of entire oil circuit, is completed by reciprocating motion of the plunger in plunger bushing；After oil pump 4 with list
It is connected to valve 5, flows high temperature oil can only along oil inlet, oil outlet high temperature oil can not flows back, and prevent the reverse flow of oil stream, single
Through type is used to valve 5, is threadedly coupled and is installed on the pipeline；It is followed by shut-off valve A6 and shut-off valve B7, shut-off valve is to where it
Pipeline in high temperature oil play the important function of cutting and throttling, select Oblique Stop Valves, the runner and sprue of valve body
At an oblique line, the extent of the destruction of such flow regime is smaller than conventional shut-off valve；Oil burner nozzle is connected with after shut-off valve respectively, use is soft
Formula pipeline is connected, and can facilitate position and the posture of adjustment nozzle, it is ensured that high temperature oil can uniformly continuous be sprayed onto laser peening point
Position；Laser temperature shot-peening processing district is located at protective cover 8 in oil recovery bucket, and used high temperature oil can be natural by oil returning tube 9
It is flowed into the bucket, plays the role of recycling, which is connected with oil tank 1, high temperature oil collection is re-injected into oil tank 1,
Recycling for restraint layer high temperature oil is realized, material has been saved, is reduced costs.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of oil path control system of high temperature oil restraint layer, including it is oil tank (1), gate valve (2), oily filter (3), oil pump (4), unidirectional
Valve (5), shut-off valve A (6), shut-off valve B (7), protective cover (8), oil returning tube (9), it is characterised in that: the oil tank (1) passes through
Pipeline connects gate valve (2), and the gate valve (2) connects oily filter (3) by pipeline, and the oily filter (3) connects check valve by pipeline
(5), the check valve (5) is separately connected shut-off valve A (6) and shut-off valve B (7), the shut-off valve A (6) and cut-off by pipeline
Valve B (7) is connected with oil burner nozzle by soft pipeline respectively, and the oil burner nozzle is set in protective cover (8), and the protective cover (8) is logical
Cross oil returning tube (9) connection oil tank (1).
2. a kind of oil path control system of high temperature oil restraint layer according to claim 1, it is characterised in that: the oil tank
(1) it is provided with heating device in, temperature measuring device is installed in the oil tank (1).
3. a kind of oil path control system of high temperature oil restraint layer according to claim 1, it is characterised in that: the check valve
(5) through type is used, is threadedly coupled and is mounted on pipeline.
4. a kind of oil path control system of high temperature oil restraint layer according to claim 1, it is characterised in that: oil circuit control system
System concrete operation step are as follows:
A. first it is the processing temperature requirement for meeting laser temperature shot-peening, high temperature oil need to be heated, selected oil is injected
It is inner to oil tank (1), start the heating device of oil tank, it is heated, temperature measuring device is installed in oil tank, it being capable of real-time monitoring
Oil temperature；
B. oil tank (1) is connected with gate valve (2), when gate valve (2) is closed, flashboard is pressed to valve seat by force by external force, to protect
The leakproofness of card sealing surface can open the gate valve (2) when the oil in oil tank is heated to certain temperature, and oil circuit is made to keep smooth
It is logical；
C. gate valve (2) is followed by oil strainer (3), removes the larger solid impurity in oil removing, make guarantee oil pump (4) normal work and
Operating, and make the uniform free from admixture of high temperature oil restraint layer sprayed, it is ensured that the stability of technique；
D. oil strainer (3) is followed by oil pump (4), is responsible for the oil suction and pressure oil of entire oil circuit, reciprocal in plunger bushing by plunger
Movement is completed；
E. oil pump (4) is connected with check valve (5) afterwards, flow high temperature oil can only along oil inlet, and oil outlet high temperature oil can not flow back,
The reverse flow of oil stream is prevented, check valve (5) uses through type, is threadedly coupled and is installed on the pipeline；
F. it is followed by shut-off valve A (6) and shut-off valve B (7), shut-off valve plays cutting and throttling to the high temperature oil in the pipeline where it
Important function, select Oblique Stop Valves, the runner and sprue of valve body are at an oblique line, the extent of the destruction of such flow regime
It is smaller than conventional shut-off valve；
G. it is connected with oil burner nozzle respectively after shut-off valve, is connected using soft pipeline, position and the posture of adjustment nozzle can be facilitated, it is ensured that
High temperature oil can uniformly continuous be sprayed onto laser peening point position；
H. laser temperature shot-peening processing district is located at (protective cover) (8) in oil recovery bucket, and used high temperature oil passes through oil returning tube (9)
It can be flowed into naturally in the bucket, play the role of recycling, which is connected with oil tank (1), and high temperature oil collection is re-injected into
In oil tank (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910185941.XA CN109854548A (en) | 2019-03-12 | 2019-03-12 | A kind of oil path control system of high temperature oil restraint layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910185941.XA CN109854548A (en) | 2019-03-12 | 2019-03-12 | A kind of oil path control system of high temperature oil restraint layer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730811A (en) * | 1995-12-21 | 1998-03-24 | General Electric Company | Cavity dumped laser shock peening process |
| CN103111751A (en) * | 2012-12-31 | 2013-05-22 | 江苏大学 | Pulse laser continuous impact warm forming method and device using the same |
| CN103540715A (en) * | 2013-10-31 | 2014-01-29 | 江苏大学 | Constant-speed continuous silicone oil restraining device and method |
| CN104195295A (en) * | 2014-09-24 | 2014-12-10 | 江苏大学 | Controllable warm laser shot blasting surface strengthening method and device in heat affected zone |
| CN104561516A (en) * | 2014-12-19 | 2015-04-29 | 江苏大学 | Device and method for surface modification by inducing cavitation bubbles with laser |
| CN106636607A (en) * | 2017-01-03 | 2017-05-10 | 中国矿业大学 | Controllable constrained laser micro shot peening intensification device and method thereof |
| CN208328076U (en) * | 2018-06-07 | 2019-01-04 | 中国科学院沈阳自动化研究所 | A kind of high-temperature laser shock peening device |
| CN109226720A (en) * | 2018-08-20 | 2019-01-18 | 江苏大学 | A kind of the semi-solid-state metal plastic processing method and device compound based on laser-impact and ultrasonic vibration |
-
2019
- 2019-03-12 CN CN201910185941.XA patent/CN109854548A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730811A (en) * | 1995-12-21 | 1998-03-24 | General Electric Company | Cavity dumped laser shock peening process |
| CN103111751A (en) * | 2012-12-31 | 2013-05-22 | 江苏大学 | Pulse laser continuous impact warm forming method and device using the same |
| CN103540715A (en) * | 2013-10-31 | 2014-01-29 | 江苏大学 | Constant-speed continuous silicone oil restraining device and method |
| CN104195295A (en) * | 2014-09-24 | 2014-12-10 | 江苏大学 | Controllable warm laser shot blasting surface strengthening method and device in heat affected zone |
| CN104561516A (en) * | 2014-12-19 | 2015-04-29 | 江苏大学 | Device and method for surface modification by inducing cavitation bubbles with laser |
| CN106636607A (en) * | 2017-01-03 | 2017-05-10 | 中国矿业大学 | Controllable constrained laser micro shot peening intensification device and method thereof |
| CN208328076U (en) * | 2018-06-07 | 2019-01-04 | 中国科学院沈阳自动化研究所 | A kind of high-temperature laser shock peening device |
| CN109226720A (en) * | 2018-08-20 | 2019-01-18 | 江苏大学 | A kind of the semi-solid-state metal plastic processing method and device compound based on laser-impact and ultrasonic vibration |
Non-Patent Citations (2)
| Title |
|---|
| 张金和等: "《压力管道施工》", 31 May 2015, 上海科学技术出版社 * |
| 胡邦喜: "《设备润滑基础》", 30 September 1982, 冶金工业出版社 * |
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Application publication date: 20190607 |
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