CN104815772A - Vertical rocker arm nozzle spray pipe structure and processing technology thereof - Google Patents
Vertical rocker arm nozzle spray pipe structure and processing technology thereof Download PDFInfo
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- CN104815772A CN104815772A CN201510170882.0A CN201510170882A CN104815772A CN 104815772 A CN104815772 A CN 104815772A CN 201510170882 A CN201510170882 A CN 201510170882A CN 104815772 A CN104815772 A CN 104815772A
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Abstract
The invention discloses a vertical rocker arm nozzle spray pipe structure and a processing technology thereof. The spray pipe comprises an elbow, a spray pipe and a welding part; a welding groove of the welding part consists of a first single-edge groove positioned on the elbow, and a second single-edge groove positioned on the spray pipe; the first single-edge groove and the second single-edge groove are symmetric about a symmetric center line; and the first single-edge groove or the second single-edge groove consists of multiple line segments. The first single-edge groove or the second single-edge groove comprises an arched section, a first inclined section, a horizontal section and a second inclined section; an included angle a is formed between the first inclined section and the symmetric center line; an included angle b is formed between the second inclined section and the symmetric center line; the arched section and the first inclined section have a length h1 in the radial direction; the second inclined section has a length h2 in the radial direction; first welding rods are welded and fully filled in an area h1; and second welding rods are welded and fully filled in an area h2.
Description
Technical field
The present invention relates to a kind of pipe part, particularly relate to a kind of nozzle structure and processing technology thereof, this nozzle structure is mainly used in large range vertical rocker-arm spray head.
Background technology
Big-and-middle-sized rotating sprinkler is mainly used in the end sprayer of giant sprinkler, also can be used for electric power, metallurgy, port and pier, mine, the dust suppression of coal yard, feed lot depositing dust, fire prevention, agricultural, irrigation and sewage disposal etc.Usual shower nozzle working environment is comparatively severe, on-the-spot normal with a large amount of dust, or water source contains a large amount of impurity, and the reliability of these factors on shower nozzle has remarkable impact.The enterprise that domestic current energy produces big-and-middle-sized shower nozzle is less, and existing product mostly is imitated external model machine, but big-and-middle-sized nozzle structure is comparatively complicated, and the large multimass of existing product does not pass a test, and the shower nozzle life-span is shorter.The most dependence on import of high-end product in practical application.
Impact driven sprinkler processing is with assembling process, and the reliability effect of dimensional fits problem to shower nozzle of elbow and jet pipe junction is larger.In Short Range Rocker arm spray head, elbow and jet pipe many employings thread connecting mode, No. CN2669999Yth, Chinese patent discloses a kind of rotary irrigatnig nozzles, sprayer body by screw threads for fastening on slip feed pipe; Bolt is used to fix after jet pipe is loaded elbow by part Short Range Rocker arm spray head and the large range shower nozzle of a part, No. CN2387973Yth, Chinese patent discloses a kind of vertical rocker-arm spray head by screw fastening barretter, and No. CN103230851Ath, Chinese patent discloses a kind of two Rocker arm spray heads by screw fastening barretter.The reliability effect of Short Range Rocker arm spray head to shower nozzle that above-mentioned connected mode is used for operating pressure lower is less; but on large range vertical rocker-arm spray head; because operating pressure is high; the factors such as work under bad environment; after shower nozzle work a period of time, the coupling part of elbow and jet pipe often produces displacement, affects the normal commutation of shower nozzle; or cause rocking arm and air deflector unbalance stress, accelerate inefficacy and the damage of vertical rocker-arm spray head.
Also sections transverse Rocker arm spray head is had, welding fabrication is adopted to connect elbow and the jet pipe of shower nozzle, but existing elbow and jet pipe connector are when welding, all there is certain defect in structural design or processing technology, elbow and jet pipe junction is caused to occur distortion after welding, cause elbow and jet pipe mechanical degradation, as produced cold crack, fire check, jet pipe is caused to be distorted distortion, elbow and nozzle position rigging position cannot be ensured, reduce hydraulic performance and the service life of shower nozzle.
Summary of the invention
The object of the invention is to overcome prior art deficiency, a kind of vertical rocker-arm spray head nozzle structure and processing technology thereof are provided, to improve large range vertical rocker-arm spray head reliability and service life.
In order to reach above object, the present invention by the following technical solutions:
A kind of vertical rocker-arm spray head nozzle structure, this nozzle structure comprises elbow, jet pipe, weld part, and described elbow is connected with jet pipe by weld part; The bevel for welding of weld part is combined by the first bevel be positioned on elbow and the second bevel be positioned on jet pipe and forms, first bevel and the second bevel are about symmetrical center line symmetry, and the first bevel and the second bevel all have multi-line section to form.
Further, what the first bevel and the second bevel were all symmetrical is provided with segmental arc, the first tilting section, horizontal segment, the second tilting section, there is between first tilting section and symmetrical center line angle a, there is between the second tilting section and symmetrical center line angle b, and a<b.
Further, segmental arc and the first tilting section diametrically sum have length h1, and the second tilting section has length h2 diametrically, and in h1 region, welding is full of the first welding rod, and in h2 region, welding is full of the second welding rod.
Further, the first core diameter is less than the second welding rod, and the first welding rod tensile strength is less than the second welding rod.
A processing technology for vertical rocker-arm spray head nozzle structure, this processing technology comprises the steps:
A. cast out after elbow, stretched jet pipe elbow, jet pipe normalized treatment;
B. go out equipped boss to elbow finish turning, process the first bevel, jet pipe finish turning goes out equipped recess, processes the second bevel;
C. modifier treatment is carried out, HB=235-260 to elbow, jet pipe;
D. choose two kinds of welding rods, be respectively the first welding rod, the second welding rod, the first core diameter is less than the second welding rod, and the first welding rod tensile strength is less than the second welding rod; Welding rod drying 360-370 °, with baking with, the welding rod of onsite application should be placed in heat-preserving container;
E. use heater to need the equipped boss inserting jet pipe to heat to elbow, temperature rise is 85-95 ° per hour, makes weld part temperature reach 360 °, is fixed on by elbow on the fixed underpan of processing tool, is then inserted by elbow in jet pipe 2; The jet pipe angle correction bar of processing tool is inserted in jet pipe, makes the angle between elbow and jet pipe be β;
F. slowly rotate processing tool, adopt the first welding rod to weld to h1 region, first in symmetric position, carry out spot welding, the connecting portion of elbow and jet pipe is positioned, in layering welding behind location, electric current 350-360A, voltage 37-40V, air-flow 45-55L/h, key-course temperature is 200-210 °; Adopt the second welding rod to weld to h2 region, layering is welded, electric current 300-345A, voltage 27-32V, air-flow 35-40L/h, and key-course temperature is 210-220 °;
G. after having welded, weld part is polished, ensure the fineness on weld part surface.
The invention has the beneficial effects as follows: effectively can improve the mechanical performance of vertical rocker-arm spray head nozzle structure and improve reliability and the service life of shower nozzle.
Accompanying drawing illustrates:
Fig. 1 is vertical rocker-arm spray head structural representation of the present invention;
Fig. 2 is the local P enlarged diagram of vertical rocker-arm spray head nozzle structure;
Fig. 3 is the part drawing of vertical rocker-arm spray head elbow;
Fig. 4 is the part drawing of vertical rocker-arm spray head jet pipe;
Fig. 5 is the installation diagram that vertical rocker-arm spray head jet pipe and elbow welding add man-hour;
Fig. 6 is vertical rocker-arm spray head jet pipe and elbow 4 means of spot welds schematic diagram;
Fig. 7 is vertical rocker-arm spray head jet pipe and elbow 6 means of spot welds schematic diagram.
In diagram, 1-elbow, 2-jet pipe, 3-weld part, 11-fills boss, and 21-is equipped with recess, 31-segmental arc, 32-first tilting section, 33-horizontal segment, 34-second tilting section, 35-the 3rd tilting section, 36-elbow coordinates section, 37-symmetrical center line, 38-first bevel, 39-second bevel, 4-processing tool, 41-fixed underpan, 42-jet pipe angle correction bar.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
See accompanying drawing 1-5, in the present embodiment, shower nozzle model is PYC40 vertical rocker-arm spray head, this vertical rocker-arm spray head nozzle structure, and comprise elbow 1, jet pipe 2, weld part 3, described elbow is connected with jet pipe by weld part; The bevel for welding of weld part 3 is combined by the first bevel 38 be positioned on elbow 1 and the second bevel 39 be positioned on jet pipe 2 and forms, and the first bevel 38 and the second bevel 39 are about symmetrical center line 37 symmetry; What the first bevel 38 and the second bevel 39 were all symmetrical is provided with segmental arc 31, first tilting section 32, horizontal segment 33, second tilting section 34.Between first tilting section 32 and symmetrical center line 37, there is angle a, a is preferably 11-14 °, have angle b between second tilting section 34 and symmetrical center line 37, b is preferably 16-19 °, and a<b Main Function is that saving welding rod is to save welding cost; Increase the contact area of welding rod and elbow and jet pipe, increase the rigidity of weld part, prevent elbow and jet pipe weld part in shower nozzle running because weld part intensity is not enough, the distortion caused; Elbow 1 also comprises the 3rd tilting section 35 being positioned at jet pipe 2, with the elbow section of cooperation 36 of jet pipe 2 minor diameter fit; Segmental arc 31 and the first tilting section 32 diametrically sum have length h1, and the second tilting section 34 has length h2, h1/h2=0.3-0.6 diametrically, are preferably h1/h2=0.55; The two ends of elbow 1 have centre bore 5.
A kind of vertical rocker-arm spray head jet pipe processing technology, the material of PYC40 vertical rocker-arm spray head jet pipe can be stainless steel or aluminium alloy etc.This processing technology comprises the steps:
A. cast out to elbow 1, jet pipe 2 normalized treatment after elbow 1, stretched jet pipe 2, to improve the mechanical property of elbow and jet pipe coupling part;
B. go out equipped boss 11 to elbow 1 finish turning, process the first bevel 38, jet pipe 2 finish turning goes out equipped recess 21, processes the second bevel 39, processes the assembly precision that equipped boss 11 and equipped recess 21 can ensure elbow 1 and jet pipe 2;
C. modifier treatment is carried out, HB=235-260 to elbow 1, jet pipe 2;
D. choose two kinds of welding rods, be respectively the first welding rod, the second welding rod, the first core diameter is less than the second welding rod, and the first welding rod tensile strength is less than the second welding rod; Welding rod drying 360-370 °, with baking with, the welding rod of onsite application should be placed in heat-preserving container;
E. use heater to need the equipped boss 11 inserting jet pipe 2 to heat to elbow 1, temperature rise is 85-95 DEG C per hour, makes weld part temperature reach 360 DEG C; Elbow 1 and jet pipe 2 are fixed in processing tool 4 and assemble, described processing tool 4 comprises fixed underpan 41 and jet pipe angle correction bar 42, wherein fixed underpan 41 is fixed on one end of processing tool 4, and jet pipe angle correction bar 42 is movably connected in the other end of processing tool 4 body; Elbow 1 is fixed on the fixed underpan 41 of processing tool 4, then elbow 1 is inserted in jet pipe 2; The jet pipe angle correction bar 42 of processing tool 4 is inserted in jet pipe 2, assembly technology requires angle β=27 ° between PYC40 vertical rocker-arm spray head elbow 1 and jet pipe 2, therefore elbow 1 is fixed on the fixed underpan 41 of processing tool 4, jet pipe 2 is sleeved on angle correction bar 42 simultaneously, by the jet pipe angle correction bar 42 on adjustment processing tool 4, the angle between elbow 1 and jet pipe 2 is adjusted to 27 DEG C;
F. slowly rotate processing tool 4, adopt the first welding rod to weld, first in symmetric position, carry out spot welding to h1 region, to positioning of elbow 1 and jet pipe 2, spot welding according to 4 means of spot welds shown in Fig. 6, also can select 6 means of spot welds shown in Fig. 7; In layering welding behind location, electric current 350-360A, voltage 37-40V, air-flow 45-55L/h, key-course temperature is 200-210 DEG C; Adopt the second welding rod to weld to h2 region, layering is welded, electric current 300-345A, voltage 27-32V, air-flow 35-40L/h, and key-course temperature is 210-220 DEG C;
G. after having welded, weld part 3 is polished, ensure the fineness on weld part 3 surface.
Adopt vertical rocker-arm spray head nozzle structure of the present invention and processing technology thereof, effectively can improve the quality of fit between vertical rocker-arm spray head elbow 1 and jet pipe 2, improve shower nozzle job stability and service life.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to spirit of the present invention, the present invention can do any type of amendment.
Claims (5)
1. a vertical rocker-arm spray head nozzle structure, comprise elbow (1), jet pipe (2), weld part (3), elbow (1) is connected with jet pipe (2) by weld part (3), it is characterized in that: the bevel for welding of weld part (3) comprises the first bevel be positioned on elbow and the second bevel be positioned on jet pipe, first bevel and the second bevel are about symmetrical center line symmetry, and the first bevel or the second bevel are that multi-line section is formed.
2. vertical rocker-arm spray head nozzle structure according to claim 1, it is characterized in that: the first bevel and the second bevel are equipped with segmental arc, the first tilting section, horizontal segment, the second tilting section, there is between first tilting section and symmetrical center line angle a, there is between second tilting section and symmetrical center line angle b, and a<b.
3. vertical rocker-arm spray head nozzle structure according to claim 2, it is characterized in that: segmental arc and the first tilting section diametrically sum have length h1, second tilting section has length h2 diametrically, and in h1 region, welding is full of the first welding rod, and in h2 region, welding is full of the second welding rod.
4. vertical rocker-arm spray head nozzle structure according to claim 3, is characterized in that: the first core diameter is less than the second welding rod, the first welding rod tensile strength is less than the second welding rod.
5. a processing technology for vertical rocker-arm spray head nozzle structure as claimed in claim 1, this processing technology comprises the steps:
A. cast out elbow (1), stretched jet pipe (2), normalized treatment is carried out to elbow (1) and jet pipe (2);
B. equipped boss (11) is gone out to elbow (1) finish turning, and process the first bevel (38), jet pipe (2) finish turning goes out equipped recess (21), and processes the second bevel (39);
C. modifier treatment is carried out, HB=235-260 to elbow (1), jet pipe (2);
D. select the first welding rod and the second welding rod, the first core diameter is less than the second welding rod, and described first welding rod tensile strength is less than the second welding rod; Welding rod drying 360-370 DEG C, with baking with, the welding rod of onsite application should be placed in heat-preserving container;
E. heater is used to need the equipped boss (11) inserting jet pipe (2) to heat to elbow (1), temperature rise is 85-95 DEG C per hour, weld part temperature is made to reach 360 DEG C, elbow (1) is fixed on the fixed underpan (41) of processing tool (4), then elbow (1) is inserted in jet pipe (2); The jet pipe angle correction bar (42) of processing tool (4) is inserted in spray (2) pipe, make the angle between elbow (1) and jet pipe (2) be β;
F. processing tool (4) is slowly rotated, the first welding rod is adopted to weld to h1 region, first in symmetric position, spot welding is carried out, the connecting portion of elbow (1) and jet pipe (2) is positioned, in layering welding behind location, electric current 350-360A, voltage 37-40V, air-flow 45-55L/h, key-course temperature is 200-210 DEG C; Adopt the second welding rod to weld to h2 region, layering is welded, electric current 300-345A, voltage 27-32V, air-flow 35-40L/h, and key-course temperature is 210-220 DEG C;
G. after having welded, weld part (3) is polished, ensure the fineness of weld part (3) outer surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170882.0A CN104815772B (en) | 2015-04-10 | 2015-04-10 | A kind of vertical rocker-arm spray head nozzle structure and its processing technology |
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| CN201510170882.0A CN104815772B (en) | 2015-04-10 | 2015-04-10 | A kind of vertical rocker-arm spray head nozzle structure and its processing technology |
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| CN104815772A true CN104815772A (en) | 2015-08-05 |
| CN104815772B CN104815772B (en) | 2017-07-18 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231522A (en) * | 1978-02-09 | 1980-11-04 | Arno Drechsel | Step-by-step irrigator |
| US4235379A (en) * | 1978-04-24 | 1980-11-25 | Rain Bird Sprinkler Mfg. Corp. | Interchangeable nozzle apparatus for full or part circle irrigation sprinklers |
| US4277029A (en) * | 1979-12-03 | 1981-07-07 | Rabitsch Benjamin F | Irrigation sprinkler |
| US4632312A (en) * | 1984-12-14 | 1986-12-30 | Rain Bird Consumer Products Mfg. Corp. | Impact drive sprinkler |
| CN2387973Y (en) * | 1999-01-13 | 2000-07-19 | 江苏七洲集团有限公司 | Vertical rocker-arm spray head |
| CN101586699A (en) * | 2009-06-30 | 2009-11-25 | 四川科新机电股份有限公司 | Stainless steel tube with welding bevel model, welding method and argon shield apparatus |
| CN103230851A (en) * | 2012-07-24 | 2013-08-07 | 徐州金兆旭灌排设备销售有限公司 | Spray nozzle provided with double rocker arms |
| US20140232105A1 (en) * | 2010-06-25 | 2014-08-21 | Arcelormittal Investigacion Y Desarrollo, S.L. | Nickel-base radiant tube and method for making the same |
| CN104191096A (en) * | 2014-05-30 | 2014-12-10 | 徐州徐工液压件有限公司 | Welding structure of hydraulic cylinder jacket and processing technology thereof |
| CN204583532U (en) * | 2015-04-10 | 2015-08-26 | 江苏大学 | A kind of vertical rocker-arm spray head nozzle structure |
-
2015
- 2015-04-10 CN CN201510170882.0A patent/CN104815772B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231522A (en) * | 1978-02-09 | 1980-11-04 | Arno Drechsel | Step-by-step irrigator |
| US4235379A (en) * | 1978-04-24 | 1980-11-25 | Rain Bird Sprinkler Mfg. Corp. | Interchangeable nozzle apparatus for full or part circle irrigation sprinklers |
| US4277029A (en) * | 1979-12-03 | 1981-07-07 | Rabitsch Benjamin F | Irrigation sprinkler |
| US4632312A (en) * | 1984-12-14 | 1986-12-30 | Rain Bird Consumer Products Mfg. Corp. | Impact drive sprinkler |
| CN2387973Y (en) * | 1999-01-13 | 2000-07-19 | 江苏七洲集团有限公司 | Vertical rocker-arm spray head |
| CN101586699A (en) * | 2009-06-30 | 2009-11-25 | 四川科新机电股份有限公司 | Stainless steel tube with welding bevel model, welding method and argon shield apparatus |
| US20140232105A1 (en) * | 2010-06-25 | 2014-08-21 | Arcelormittal Investigacion Y Desarrollo, S.L. | Nickel-base radiant tube and method for making the same |
| CN103230851A (en) * | 2012-07-24 | 2013-08-07 | 徐州金兆旭灌排设备销售有限公司 | Spray nozzle provided with double rocker arms |
| CN104191096A (en) * | 2014-05-30 | 2014-12-10 | 徐州徐工液压件有限公司 | Welding structure of hydraulic cylinder jacket and processing technology thereof |
| CN204583532U (en) * | 2015-04-10 | 2015-08-26 | 江苏大学 | A kind of vertical rocker-arm spray head nozzle structure |
Non-Patent Citations (2)
| Title |
|---|
| 《氩弧焊焊接培训教材》编写组: "《氩弧焊焊接培训教材》", 28 February 1985 * |
| 全国焊接标准化技术委员会: "《中华人民共和国国家标准 GBT985.1-2008 气焊、焊条电弧焊、气体保护焊和高能束焊的推荐坡口》", 31 March 2008 * |
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| CN104815772B (en) | 2017-07-18 |
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