CN209227020U - A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet - Google Patents
A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet Download PDFInfo
- Publication number
- CN209227020U CN209227020U CN201822185444.3U CN201822185444U CN209227020U CN 209227020 U CN209227020 U CN 209227020U CN 201822185444 U CN201822185444 U CN 201822185444U CN 209227020 U CN209227020 U CN 209227020U
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- China
- Prior art keywords
- residual stress
- metal tube
- nozzle
- jet pipe
- nozzle body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a kind of nozzle systems that welding residual stress is eliminated based on high-pressure water jet, including metal tube, valve, nozzle body, jewel nozzles, washer, rotary shaft, jet pipe, water inlet, water outlet, the nozzle body is installed below metal tube, the washer is installed between metal tube and nozzle body, the jewel nozzles are installed on the lower section inside nozzle body, it is sealed by washer, the jewel nozzles bottom end is concordant with nozzle body bottom end.The nozzle system of the utility model design can reduce to the greatest extent welding residual stress while not damaging welding point, improve energy conversion rate, service life and jet stream closeness, when the upper surface serious wear that jet pipe is contacted with rotary shaft, only jet pipe need to be rotated 180 °, the lower surface of jet pipe can be used as upper surface, extend the service life of High pressure water jet nozzle.
Description
Technical field
A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet, belongs to welding technology field.
Background technique
Metal material inevitably generates residual stress in material internal in hot and cold process.Residual stress pair
The fatigue strength of structure, stress corrosion, yield strength, service life etc. have large effect.At welding point often
There is the phenomenon that residual stress concentrations.The method for proposing various control welding residual stress for the domestic and international expert of this phenomenon.
Wherein Welded Joints region applies the shock loading of continuous and effective, such as can have in the way of hammering, water jets impact etc.
Effect ground reduces welding residual stress.
It is reduced for welding residual stress for high-pressure water jet, the design of nozzle is directly related to welding point reinforcing
Effect.The diameter of nozzle can to jet stream jeting effect generate strong influence, the pattern of nozzle flow channel also to energy convert with
And the loss of nozzle itself is influenced very big.That there are energy conversion rates is low for existing water jet intensifying device mesohigh nozzle system,
The problem that jet density is small, nozzle arrangements are easy to damage, service life is short is difficult to meet in structure and eliminates welding residual stress
It is required that.
Utility model content
Utility model aims to solve above-mentioned deficiencies, provide one kind and are answered based on high-pressure water jet elimination welding remnants
The nozzle system of power.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet, it is characterised in that: including metal tube, valve
Door, nozzle body, jewel nozzles, washer, rotary shaft, jet pipe, water inlet, water outlet, the nozzle body are installed below metal tube；
The washer is installed between metal tube and nozzle body, and the jewel nozzles are installed on the lower section inside nozzle body, by washer into
Row sealing, the jewel nozzles bottom end are concordant with nozzle body bottom end.
Preferably, the metal tube is equipped with valve, and the amount of water sprayed into nozzle system is effectively controlled by control valve,
Avoid constantly replacement jewel nozzles bring trouble.
Preferably, the jewel nozzles entrance is the cylindrical body of diameter 5mm, is exported as the cylindrical body of diameter 3mm, contraction section
It is the circular sliding slopes of 5mm with radius with entrance cylindrical body and exit cylinder, the jewel nozzles are by polycrystalline diamond, red treasured
Stone or sapphire composition.
Preferably, the rotary shaft includes limit hole and peep hole, and the rotary shaft is fixedly connected with nozzle body, the spray
Pipe passes through limit hole and rotation axis connection.
Preferably, the metal tube and jet pipe are made of the cemented carbide material of high rigidity and high-wearing feature, jet pipe internal diameter
It is identical as jewel nozzles expansion segment maximum inner diameter.
Preferably, described nozzle system one end is equipped with water inlet, and the other end is equipped with water outlet.
Preferably, the longitudinal center line phase of the metal tube, nozzle body, jewel nozzles, five washer, jet pipe inner bore of part
Together.
Preferably, the jet pipe is mirror symmetry in longitudinal direction and transverse direction.
Compared with prior art, the utility model has the following beneficial effects:
High pressure nozzles system is by metal tube, valve, nozzle body, jewel nozzles, washer, rotary shaft, jet pipe inlet opening, water outlet
Hole composition, by largely simulating, the cylindrical body that design jewel nozzles entrance is diameter 5mm is exported as the cylinder of diameter 3mm
Body, contraction section and entrance cylindrical body and exit cylinder are the circular sliding slopes of 5mm with radius, can not damage welding point
It reduces the residual stress in welding point to the greatest extent simultaneously, improves energy conversion rate, service life and jet stream closeness.
Metal tube is equipped with valve, and the amount of water sprayed into nozzle system is effectively controlled by control valve, is avoided constantly
Replace jewel nozzles bring trouble.
Jewel nozzles and metal pipe joint synapsis are equipped with washer, and washer plays the role of the anti-high pressure leakage of sealing, disperses simultaneously
The pressure of high-pressure water jet protects jewel nozzles by the scratch of metal tube, not reduce the abrasion of jewel nozzles, rises to jewel nozzles
To good protection and fixed function.
Rotary shaft and jet pipe are equipped with below jewel nozzles, jet pipe abuts against the lower surface of jewel nozzles, and water flow is by metal tube
The inlet opening of top enters nozzle system, and sprays from the apopore below jet pipe, and jet pipe can prevent water jet from forming dispersion
Vortex, play the role of increase jet stream closeness and reduce energy loss.
Meanwhile jet pipe is mirror symmetry in longitudinal direction and transverse direction, this symmetrical structure allows jet pipe left/right rotation
Dynamic, u-turn up and down, when a surface abrasion of jet pipe is serious, jet pipe only needs to axially rotate 180 °, then before spray
Pipe upper surface can be used as lower surface, and the nozzle structure service life of this design is extended for original twice.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model mesohigh nozzle system.
Fig. 2 is the cross-sectional view of jewel nozzles in the utility model.
Fig. 3 is the cross-sectional view of rotary shaft in the utility model.
Fig. 4 is the cross-sectional view of jet pipe in the utility model.
In figure: 1, metal tube；2, valve；3, nozzle body；4, jewel nozzles；5, washer；6, rotating disk；61, limit hole；
62, peep hole；7, jet pipe；8, water inlet；9, water outlet.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, a kind of nozzle system for eliminating welding residual stress based on high-pressure water jet, it is characterised in that:
It is described including metal tube 1, valve 2, nozzle body 3, jewel nozzles 4, washer 5, rotary shaft 6, jet pipe 7, water inlet 8, water outlet 9
Nozzle body 3 is installed on 1 lower section of metal tube；The washer 5 is installed between metal tube 1 and nozzle body 3, and the jewel nozzles 4 are pacified
It loaded on the lower section inside nozzle body 3, is sealed by washer 5,4 bottom end of jewel nozzles is concordant with 3 bottom end of nozzle body.
In actual use, water flow presses the flowing of Fig. 1 arrow direction under pressure, into the cylinder of metal tube 1
Section, by control valve 2, is adjusted water flow size, effectively reaches the mesh of the size of control nozzle system water flow
, avoid replacement 4 bring of jewel nozzles trouble.
Water flow is entering jewel nozzles 4 after the acceleration of 1 contraction section of metal tube, and jewel nozzles 4 are set with 1 contact position of metal tube
There is washer 5, washer 5 plays the role of the anti-high pressure leakage of sealing, while dispersing the pressure of high-pressure water jet, protects jewel nozzles 4
Not by the scratch of metal tube 1, the abrasion of jewel nozzles 4 is reduced, good protection and fixed function are played to jewel nozzles 4.
By largely simulating, the cylindrical body that design 4 entrance of jewel nozzles is diameter 5mm is exported as the cylinder of diameter 3mm
Body, contraction section and entrance cylindrical body and exit cylinder are the circular sliding slopes of 5mm with radius, can not damage welding point
It reduces the residual stress in welding point to the greatest extent simultaneously, improves energy conversion rate, service life and jet stream closeness.
When nozzle system works, load is applied to material by the high-pressure water jet that jet pipe 7 sprays, it can be preferably to workpiece
Interior welds residual stress relaxes, and can achieve the effect for reducing welding residual stress.
Rotary shaft 6 and jet pipe 7 are equipped with below jewel nozzles 4, jet pipe 7 abuts against on the lower surface of jewel nozzles 4, water flow by
The inlet opening of 1 top of metal tube enters nozzle system, and sprays from the apopore of 7 lower section of jet pipe, and jet pipe 7 can prevent water jet
The vortex for forming dispersion plays the role of increasing jet stream closeness and reduces energy loss.
Meanwhile jet pipe 7 is mirror symmetry in longitudinal direction and transverse direction, this symmetrical structure allows jet pipe 7 or so
Rotation, up and down u-turn, when the upper surface serious wear that jet pipe 7 is contacted with rotary shaft 6,7 needs of jet pipe are axially rotated
180 °, then before 7 lower surface of jet pipe can be used as upper surface, the 7 structure service life of jet pipe of this design is prolonged
A length of twice originally.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. it is a kind of based on high-pressure water jet eliminate welding residual stress nozzle system, it is characterised in that: including metal tube (1),
Valve (2), nozzle body (3), jewel nozzles (4), washer (5), rotary shaft (6), jet pipe (7), water inlet (8), water outlet (9),
The nozzle body (3) is installed below metal tube (1)；The washer (5) is installed between metal tube (1) and nozzle body (3), institute
It states jewel nozzles (4) and is installed on the internal lower section of nozzle body (3), be sealed by washer (5), jewel nozzles (4) bottom end
It is concordant with nozzle body (3) bottom end.
2. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
In: the metal tube (1) is equipped with valve (2), and the amount of water sprayed of nozzle system is entered by control valve (2) effectively control.
3. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
In: the rotary shaft (6) includes limit hole (61) and peep hole (62), and the rotary shaft (6) is fixedly connected with nozzle body (3),
The jet pipe (7) is connect by limit hole (61) with rotary shaft (6).
4. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
It is made in: the metal tube (1) and jet pipe (7) of the cemented carbide material of high rigidity and high-wearing feature, metal tube (1) contraction section
Minimum diameter is identical with washer (5) diameter, and jet pipe (7) internal diameter is identical as jewel nozzles (4) expansion segment maximum inner diameter.
5. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
In: the metal tube (1), nozzle body (3), jewel nozzles (4), the axial centre of (7) five washer (5), jet pipe inner bore of part
Line is identical.
6. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
In: the jet pipe (7) is mirror image in transverse direction and longitudinal direction.
7. a kind of nozzle system for being eliminated welding residual stress based on high-pressure water jet, feature are existed according to claim 1
In: described nozzle system one end is equipped with water inlet (8), and the other end is equipped with water outlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185444.3U CN209227020U (en) | 2018-12-25 | 2018-12-25 | A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185444.3U CN209227020U (en) | 2018-12-25 | 2018-12-25 | A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209227020U true CN209227020U (en) | 2019-08-09 |
Family
ID=67508891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822185444.3U Expired - Fee Related CN209227020U (en) | 2018-12-25 | 2018-12-25 | A kind of nozzle system for eliminating welding residual stress based on high-pressure water jet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209227020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658998A (en) * | 2020-12-16 | 2021-04-16 | 中国石油大学(华东) | High-pressure water jet device based on welding residual stress regulation and control and use method |
| WO2022170697A1 (en) * | 2021-02-09 | 2022-08-18 | 华东理工大学 | Jet strengthening and polishing integrated apparatus and process |
-
2018
- 2018-12-25 CN CN201822185444.3U patent/CN209227020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658998A (en) * | 2020-12-16 | 2021-04-16 | 中国石油大学(华东) | High-pressure water jet device based on welding residual stress regulation and control and use method |
| WO2022170697A1 (en) * | 2021-02-09 | 2022-08-18 | 华东理工大学 | Jet strengthening and polishing integrated apparatus and process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20191225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |