CN209476517U - A kind of hand-held spray guns for strengthening welding point for high-pressure water jet - Google Patents
A kind of hand-held spray guns for strengthening welding point for high-pressure water jet Download PDFInfo
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- CN209476517U CN209476517U CN201921151323.5U CN201921151323U CN209476517U CN 209476517 U CN209476517 U CN 209476517U CN 201921151323 U CN201921151323 U CN 201921151323U CN 209476517 U CN209476517 U CN 209476517U
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- hand
- pressure water
- spray guns
- water jet
- jewel nozzles
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Abstract
The utility model discloses a kind of hand-held spray guns for strengthening welding point for high-pressure water jet, including nozzle mechanism (1), it is characterised in that: the nozzle mechanism (1) is connected by connection pedestal (3) with lance tube (4) and lance tube (4) can be connected with extraneous high-pressure water shot flow generating apparatus；It is equipped with gun case (5), and is fixed on gun case (5) for hand-held handle (6) on the lance tube (4), handle (6) is fixed on lance tube (4) by gun case (5).The hand-held spray guns of the utility model, which pass through, is fixed on the gun case being fixedly connected and handle on lance tube, and anti-skidding adhesive tape, anti-skidding adhesive tape and handle are provided on the outside of handle by strength glue sticking, and the spray gun is enabled to move and adjust the angle；Using the hand-held spray guns can the residual stress well inside Welded Joints relax, achieve the effect that reduce even being eliminated welding residual stress.
Description
Technical field
The utility model relates to welding technology fields, and what specifically one kind can be moved and be adjusted the angle is used for high pressure
The hand-held spray guns of water jet reinforcing welding point.
Background technique
The structure property of welding point has the fatigue strength of structure, stress corrosion, yield strength, service life aspect
Large effect.The conventional method of control property of welded joint has at present: post weld heat treatment, mechanical deformation method and temperature difference deformation
Method.Occur low stress again in succession with the development of science and technology and stretches the modern times such as welding, pulse magnetic method without deformation method, transient state
Control new method.But existing method there are energy consumptions high, at high cost, inefficiency, a large amount of dust and waste disadvantage are generated, sternly
Ghost image rings environment, does not meet the requirement of energy-saving and emission-reduction.
There is the shortcomings that enlarged, immovable, low efficiency, large labor intensity in existing high-voltage water jet device, and spray
Nozzle mechanism, which is fixed on heavy duty machine tools, to be difficult to adjust the angle between Water projectile and welding point according to actual condition, is being faced
It is difficult to be adaptively adjusted when the fillet weld of large pressurized vessel, limitation is big.It can be seen that the prior art is up for into one
Step is improved.
Utility model content
The purpose of this utility model is in view of the problems of the existing technology, to provide what one kind can be moved and be adjusted the angle
Strengthen the hand-held spray guns of welding point for high-pressure water jet.
The purpose of this utility model solves by the following technical programs:
A kind of hand-held spray guns for strengthening welding point for high-pressure water jet, including nozzle mechanism, it is characterised in that: institute
By connecting, pedestal is connected the nozzle mechanism stated with lance tube and lance tube can be with extraneous high-pressure water shot flow generating apparatus phase
Connection；It is equipped with gun case on the lance tube, and is fixed on gun case for hand-held handle, handle passes through spray
Gun housing body is fixed on lance tube.
It is provided with handle on the gun case, to facilitate the daily storage of spray gun and carry.
Anti-skidding adhesive tape is provided on the outside of the handle, the anti-skidding adhesive tape is bonded on handle by seccotine.
The nozzle mechanism is connected with whorl of base is connect.
The side of the connection pedestal is provided with the steady rest gone along with sb. to guard him in nozzle mechanism side, and steady rest is bolted
It is connected on connection pedestal.
The nozzle mechanism includes metal tube, nozzle body, jewel nozzles and sandpipe, the nozzle body and metal tube
Lower thread connection, jewel nozzles are mounted in the inner cavity that nozzle body and metal tube are constituted, and the step surface of jewel nozzles is with top
Divide in the contraction section inner cavity of insertion metal tube lower part, the step surface of jewel nozzles and the inner chamber bottom surface flush and jewel of nozzle body
The bottom end of nozzle and the bottom end flush of nozzle body, the bottom end of metal tube are simultaneously pressed in the step surface and nozzle body of jewel nozzles
In inner chamber bottom surface；It is close to the bottom end of jewel nozzles and the bottom end of nozzle body in the upper surface of the sandpipe.
It is provided with washer in the step surface of the jewel nozzles and the inner chamber bottom surface of nozzle body, which is nested in jewel
In the step surface above section of the nozzle and bottom end of metal tube is pressed on the washer.
The metal tube, nozzle body, jewel nozzles, washer, sandpipe inner hole longitudinal center line be located on the same line.
The metal tube and sandpipe is made of the cemented carbide material of high rigidity and high-wearing feature, the contraction of metal tube
Section minimum diameter is less than the maximum inner diameter of the expansion segment of jewel nozzles adjacent metal pipe and is greater than jewel nozzles adjacent metal pipe
The minimum diameter of expansion segment, and the internal diameter of sandpipe is identical adjacent to the maximum inner diameter of the expansion segment of sandpipe as jewel nozzles.
One end of the nozzle mechanism is equipped with water inlet, the other end is equipped with water outlet.
The utility model has the following advantages compared with prior art:
The hand-held spray guns of the utility model, which pass through, is fixed on the gun case being fixedly connected and handle on lance tube, and
It is provided with anti-skidding adhesive tape, anti-skidding adhesive tape and handle on the outside of handle by strength glue sticking, the spray gun is enabled to move and adjust
Angle；It is provided with handle on gun case simultaneously, to facilitate the daily storage of the hand-held spray guns and carry.
The nozzle mechanism of the utility model is by metal tube, nozzle body, jewel nozzles, washer, sandpipe, inlet and outlet
Composition by cylindrical body that the entry design of jewel nozzles is diameter 6mm, is exported by largely simulating as the cylinder of diameter 4mm
Body, the contraction section and entrance cylindrical body, exit cylinder of jewel nozzles are the circular sliding slopes of 2mm with radius, can not damaged
The axle center dynamic pressure that the high-pressure water jet ejected by jewel nozzles is farthest promoted while welding point, improves energy
Conversion ratio and jet stream closeness.
The utility model plays the work for sealing anti-high-pressure leakage by being equipped with washer, washer in jewel nozzles and nozzle body
With, while can play the role of dispersing high-pressure water shot flowing pressure, further jewel nozzles is protected by the scratch of metal tube, not subtract
Jewel nozzles are played good protection and fixed function by the abrasion of few jewel nozzles；Sandpipe, sand are equipped with below jewel nozzles
Pipe abuts against the lower surface of jewel nozzles, and high pressure water flow enters spray head by the water inlet above metal tube by the conveying of lance tube
Mechanism, and sprayed from the water outlet below sandpipe, sandpipe can prevent water jet from forming the vortex of dispersion, and it is close to play increase jet stream
Intensity and the effect for reducing energy loss.
Detailed description of the invention
Attached drawing 1 is the overall structure diagram of the hand-held spray guns of the utility model；
Attached drawing 2 is the schematic cross-sectional view of the nozzle mechanism of the hand-held spray guns of the utility model；
Attached drawing 3 is the schematic cross-sectional view of the jewel nozzles of the hand-held spray guns of the utility model.
Wherein: 1-nozzle mechanism；11-metal tubes；12-nozzle bodies；13-jewel nozzles；14-washers；15-sand
Pipe；16-water inlets；17-water outlets；2-steady rests；3-connection pedestals；4-lance tubes；5-gun cases；6-handles；
7-handles.
Specific embodiment
The utility model is further described with embodiment with reference to the accompanying drawing.
It is as shown in Figs. 1-3: a kind of hand-held spray guns for strengthening welding point for high-pressure water jet, including nozzle mechanism 1,
By connecting, pedestal 3 is connected the nozzle mechanism 1 with lance tube 4 and lance tube 4 can be with extraneous high-pressure water shot flow generating apparatus
It is connected；It is equipped with gun case 5 on the lance tube 4, and is fixed on gun case 5 for hand-held handle 6, handle
6 are fixed on lance tube 4 by gun case 5, while the outside of handle 6 being provided with anti-skidding adhesive tape, which passes through
Seccotine is bonded on handle 6.In addition it is provided with handle 7, on gun case 5 to facilitate the daily storage of spray gun and carry.
In said structure, nozzle mechanism 1 is threadedly coupled with pedestal 3 is connect, and is provided with and is gone along with sb. to guard him in the side of connection pedestal 3
Steady rest 2 in 1 side of nozzle mechanism, steady rest 2 are bolted to connection on connection pedestal 3.
As shown in Fig. 2, nozzle mechanism 1 includes metal tube 11, nozzle body 12, jewel nozzles 13 and sandpipe 15, nozzle body 12
It is connect with the lower thread of metal tube 11, jewel nozzles 13 are mounted in the inner cavity that nozzle body 12 and metal tube 11 are constituted, jewel
In the contraction section inner cavity of step surface above section insertion 11 lower part of metal tube of nozzle 13, the step surface and nozzle of jewel nozzles 13
The bottom end flush of the bottom end and nozzle body 12 of the inner chamber bottom surface flush of body 12 and jewel nozzles 13, the bottom end of metal tube 11 are same
When be pressed on the step surface of jewel nozzles 13 and the inner chamber bottom surface of nozzle body 12；It is close to jewel nozzles 13 in the upper surface of sandpipe 15
The bottom end of bottom end and nozzle body 12；Metal tube 11 and sandpipe 15 are made of the cemented carbide material of high rigidity and high-wearing feature,
The contraction section minimum diameter of metal tube 11 is less than the maximum inner diameter of the expansion segment of 13 adjacent metal pipe 11 of jewel nozzles and is greater than treasured
The minimum diameter of the expansion segment of 13 adjacent metal pipe 11 of stone nozzle, and the internal diameter of sandpipe 15 and jewel nozzles 13 are adjacent to sandpipe 15
The maximum inner diameter of expansion segment is identical.For further, set in the step surface of jewel nozzles 13 and the inner chamber bottom surface of nozzle body 12
It is equipped with washer 14, which is nested in the step surface above section of jewel nozzles 13 and the bottom end of metal tube 11 is pressed in the pad
On circle 14.Above-mentioned metal tube 11, nozzle body 12, jewel nozzles 13, washer 14, sandpipe 15 inner hole longitudinal center line be located at it is same
On straight line；And one end of the metal tube 11 on nozzle mechanism 1 is equipped with water inlet 16, one end of sandpipe 15 is equipped with water outlet
17。
In actual use, be operated first personnel by hand grip 6 by the hand-held spray guns be adjusted to wait make
The suitable position of industry welding workpiece keeps steady rest 2 to contact with welding workpiece, 17 lower end of water outlet of sandpipe 15 and welding point
Certain spray distance is kept, lance tube 4 is connect with extraneous high-pressure water shot flow generating apparatus then, starts extraneous high pressure water
Jet flow generating apparatus carries out operation.The high-pressure water shot of generation flows through lance tube 4 and enters nozzle mechanism 1, from the water inlet of nozzle mechanism 1
Mouthfuls 16 enter in metal tube 11, enter in jewel nozzles 13 after the acceleration of the contraction section of metal tube 11, jewel nozzles 13 with
The contact position of metal tube 1 is equipped with washer 14, and washer 14 plays the role of the anti-high-pressure leakage of sealing, while can disperse high-pressure water shot
The pressure of stream protects jewel nozzles 13 not by the scratch of metal tube 11, reduces the abrasion of jewel nozzles 13, rises to jewel nozzles 13
To good protection and fixed function.The lower section of jewel nozzles 13 is equipped with sandpipe 15, and the upper surface of sandpipe 15 abuts against jewel spray
The lower end surface of mouth 13, high pressure water flow enter nozzle mechanism 1 by the water inlet 16 of 11 top of metal tube by the conveying of lance tube 4,
And sprayed from the water outlet 17 of 15 lower section of sandpipe, sandpipe 15 can prevent water jet from forming the vortex of dispersion, play increase jet stream
Closeness and the effect for reducing energy loss.When nozzle mechanism 1 works, the high-pressure water jet Welded Joints that are sprayed by sandpipe 15
Place applies pressure loading, can the residual stress well inside Welded Joints relax, reach reduction and even be eliminated weldering
Connect the effect of residual stress.
The hand-held spray guns of the utility model, which pass through, is fixed on lance tube 4 for the gun case 5 being fixedly connected and handle 6
On, and anti-skidding adhesive tape is provided on the outside of handle 6, anti-skidding adhesive tape and handle 6 enable the spray gun to move by strength glue sticking
And adjustment angle；It is provided with handle 7 on gun case 5 simultaneously, to facilitate the daily storage of the hand-held spray guns and carry.Spray head
Mechanism 1 is made of metal tube 11, nozzle body 12, jewel nozzles 13, washer 14, sandpipe 15, water inlet 16 and water outlet 17, is passed through
A large amount of simulation, the entry design by jewel nozzles 13 are the cylindrical body of diameter 6mm, export as the cylindrical body of diameter 4mm, jewel
The contraction section and entrance cylindrical body, exit cylinder of nozzle 13 are the circular sliding slopes of 2mm with radius, can be connect not damaging welding
The axle center dynamic pressure that the high-pressure water jet ejected by jewel nozzles 13 is farthest promoted while head improves energy conversion
Rate and jet stream closeness；By being equipped with washer 14 in jewel nozzles 13 and nozzle body 12, washer 14 plays the anti-high pressure of sealing and lets out
The effect of leakage, while can play the role of dispersing high-pressure water shot flowing pressure, further protect jewel nozzles 13 not by metal tube
11 scratch reduces the abrasion of jewel nozzles 13, plays good protection and fixed function to jewel nozzles 13；In jewel nozzles
13 lower sections are equipped with sandpipe 15, and sandpipe 15 abuts against the lower surface of jewel nozzles 13, and high pressure water flow is by the conveying of lance tube 4 by gold
The water inlet 16 for belonging to 11 top of pipe enters nozzle mechanism 1, and sprays from the water outlet 17 of 15 lower section of sandpipe, and sandpipe 15 can prevent
Water jet forms the vortex of dispersion, plays the role of increasing jet stream closeness and reduces energy loss.
The basic principles and main features and the utility model of the utility model have been shown and described in above embodiments
Advantage.It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and explanation
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, this reality described in book
It will also have various changes and improvements with novel, these various changes and improvements fall within the scope of the claimed invention.This
Utility model is claimed range and is defined by the appending claims and its equivalent thereof.The technology that the utility model is not directed to is equal
It can be realized by the prior art.
Claims (10)
1. a kind of hand-held spray guns for strengthening welding point for high-pressure water jet, including nozzle mechanism (1), it is characterised in that:
The nozzle mechanism (1) is connected by connection pedestal (3) with lance tube (4) and lance tube (4) can be with extraneous high pressure water
Jet flow generating apparatus is connected；It is equipped with gun case (5), and is fixed on gun case (5) useful on the lance tube (4)
In hand-held handle (6), handle (6) is fixed on lance tube (4) by gun case (5).
2. the hand-held spray guns according to claim 1 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
Handle (7) are provided on the gun case (5) stated, to facilitate the daily storage of spray gun and carry.
3. the hand-held spray guns according to claim 1 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
It states and is provided with anti-skidding adhesive tape on the outside of handle (6), the anti-skidding adhesive tape is bonded on handle (6) by seccotine.
4. the hand-held spray guns according to claim 1 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
The nozzle mechanism (1) stated is threadedly coupled with pedestal (3) are connect.
5. the hand-held spray guns according to claim 1 or 4 for strengthening welding point for high-pressure water jet, feature exist
In: the side of connection pedestal (3) is provided with the steady rest (2) gone along with sb. to guard him in nozzle mechanism (1) side, and steady rest (2) passes through
Bolt is fixedly connected in connection pedestal (3).
6. the hand-held spray guns according to claim 1 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
The nozzle mechanism (1) stated includes metal tube (11), nozzle body (12), jewel nozzles (13) and sandpipe (15), the nozzle body
(12) it is connect with the lower thread of metal tube (11), jewel nozzles (13) are mounted on what nozzle body (12) and metal tube (11) were constituted
In inner cavity, in the contraction section inner cavity of step surface above section insertion metal tube (11) lower part of jewel nozzles (13), jewel nozzles
(13) bottom of the inner chamber bottom surface flush of step surface and nozzle body (12) and the bottom end of jewel nozzles (13) and nozzle body (12)
Flush is held, the bottom end of metal tube (11) is pressed in the step surface of jewel nozzles (13) and the inner chamber bottom surface of nozzle body (12) simultaneously
On；It is close to the bottom end of jewel nozzles (13) and the bottom end of nozzle body (12) in the upper surface of the sandpipe (15).
7. the hand-held spray guns according to claim 6 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
Washer (14) are provided in the step surface for the jewel nozzles (13) stated and the inner chamber bottom surface of nozzle body (12), which is nested with
In the step surface above section of jewel nozzles (13) and the bottom end of metal tube (11) is pressed on the washer (14).
8. the hand-held spray guns according to claim 7 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
The inner hole longitudinal center line of metal tube (11), nozzle body (12), jewel nozzles (13), washer (14), sandpipe (15) is stated positioned at same
On straight line.
9. the hand-held spray guns according to claim 6 for strengthening welding point for high-pressure water jet, it is characterised in that: institute
The metal tube (11) and sandpipe (15) stated are made of the cemented carbide material of high rigidity and high-wearing feature, the receipts of metal tube (11)
Contracting section minimum diameter is less than the maximum inner diameter of the expansion segment of jewel nozzles (13) adjacent metal pipe (11) and is greater than jewel nozzles
(13) minimum diameter of the expansion segment of adjacent metal pipe (11), and the internal diameter of sandpipe (15) and jewel nozzles (13) neighbouring sandpipe
(15) maximum inner diameter of expansion segment is identical.
10. the hand-held spray guns according to claim 1 for strengthening welding point for high-pressure water jet, it is characterised in that:
One end of the nozzle mechanism (1) is equipped with water inlet (16), the other end is equipped with water outlet (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151323.5U CN209476517U (en) | 2019-07-22 | 2019-07-22 | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151323.5U CN209476517U (en) | 2019-07-22 | 2019-07-22 | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet |
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| Publication Number | Publication Date |
|---|---|
| CN209476517U true CN209476517U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921151323.5U Active CN209476517U (en) | 2019-07-22 | 2019-07-22 | A kind of hand-held spray guns for strengthening welding point for high-pressure water jet |
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| CN (1) | CN209476517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330756A (en) * | 2020-04-17 | 2020-06-26 | 中船黄埔文冲船舶有限公司 | Spray gun for ship coating operation |
| CN114178065A (en) * | 2021-11-22 | 2022-03-15 | 拉思丁科技(深圳)有限公司 | High-pressure water jet gem nozzle |
-
2019
- 2019-07-22 CN CN201921151323.5U patent/CN209476517U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330756A (en) * | 2020-04-17 | 2020-06-26 | 中船黄埔文冲船舶有限公司 | Spray gun for ship coating operation |
| CN114178065A (en) * | 2021-11-22 | 2022-03-15 | 拉思丁科技(深圳)有限公司 | High-pressure water jet gem nozzle |
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