CN202377699U - Multi-torch pipe crater preheating device - Google Patents
Multi-torch pipe crater preheating device Download PDFInfo
- Publication number
- CN202377699U CN202377699U CN2011205452967U CN201120545296U CN202377699U CN 202377699 U CN202377699 U CN 202377699U CN 2011205452967 U CN2011205452967 U CN 2011205452967U CN 201120545296 U CN201120545296 U CN 201120545296U CN 202377699 U CN202377699 U CN 202377699U
- Authority
- CN
- China
- Prior art keywords
- distributor
- preheating device
- pipe welding
- action bars
- welding port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a multi-torch pipe crater preheating device, which comprises a supporting frame, spray guns, a distributor, an operating rod, a gas valve and a gas supply hose. A shaft sleeve is arranged at the top of the supporting frame. The distributor is connected in the shaft sleeve through a shaft. The operating rod is axially fixed with the distributor. The operating rod is a hollow structure. The end of the operating rod is hermetically connected with the gas supply host. The gas supply host is connected to a gas source device. Four flame spray guns used for heating are evenly arranged in the radial direction of the distributor.
Description
Technical field
The utility model relates to pipeline automatic welding and connects equipment technical field, specifically is many torches pipe welding port preheating device, is applicable to the The pre-heat treatment of the preceding groove of pipeline welding, is the important auxiliary equipment that long-distance transport pipes are realized the automation welding.
Background technology
Along with oil, petrochemical industry, waterline construction; High ferro steel pipe arch form bridge construction; The high speed development of industries such as pressure vessel manufacturing; Make and respectively build construction enterprises and progressively recognize the importance that is welded on automatically in the construction, pipeline automatic welding is connect technology and equipment has carried out continuous exploration and practice.But owing to also be in the starting stage aspect the domestic research and development that connect equipment at pipeline automatic welding; And existing existing pipeline automatic welding equipment and welding procedure are complicated; Cost is higher, and adaptability is relatively poor, and automatic welding equipment and welding procedure used and promote all deleterious impact.
Summary of the invention
The purpose of the utility model is that the The pre-heat treatment for groove before the pipeline welding provides a kind of heater, has overcome the above-mentioned deficiency of prior art, prevents the Produced after Welding crackle, improving welding performance, its structural design is simple, rationally, science, cost is low.
In order to reach above-mentioned purpose of design, the technical scheme that the utility model adopts is following:
A kind of many torches pipe welding port preheating device; Comprise bracing frame, spray gun, distributor, action bars, air valve, air hose, the bracing frame top is provided with axle sleeve, and distributor is coupling in the axle sleeve; Said distributor axis is to the fixing operation bar; Action bars is a hollow-core construction, and said action bars end seal connects air hose, and air hose is connected to compressed air source unit; Said distributor radially evenly is provided with four flame guns that are used to heat.
Further, support frame as described above adopts the motion bar structure, have three support bars, but each support bar comprises two joints up and down of free adjustment height.
Further, said distributor is provided with 1 air inlet and 4 gas outlets, and the air inlet other end is provided with axle.
Further, be provided with rectangular loop in the middle part of the said action bars.
Further, said action bars is provided with air valve.
Preferably, said spray gun mainly is made up of burner inner liner, nozzle and straight tube, and said four straight tubes evenly are fixed on the distributor, and communicate with the gas outlet of distributor, the terminal fixedly burner inner liner of straight tube, and said burner inner liner center fixation nozzle, nozzle communicates with straight tube.
More preferably, individual air admission hole is arranged at said burner inner liner bottom, and is furnished with adjustable plate.
The beneficial effect of the described many torches pipe welding port of the utility model preheating device is: structural design is simple, reasonable, science, and cost is low; Be convenient to the requirement of the full-automatic internal orifice welding machine of the long distance pipeline rapid welding of all kinds of bores, be beneficial to welding procedure and use and improve welding job efficient.
Description of drawings
Fig. 1 is the sketch map of the described many torches pipe welding port of the utility model embodiment preheating device.
The specific embodiment
Below in conjunction with accompanying drawing the optimum implementation of the utility model is done further detailed description.
As shown in Figure 1, the described many torches pipe welding port of the utility model embodiment preheating device comprises bracing frame 1, burner inner liner 2, nozzle 3, straight tube 4, distributor 5, action bars 6, air valve 7, air hose 8; Support frame as described above 1 adopts the motion bar design, and material is selected steel pipe for use, always has three support bars; Each support bar divides two joints up and down; But easy on and off is regulated height, need regulate height during use guaranteeing distributor near the caliber center, and use bolt; Bracing frame 1 top is provided with axle sleeve, the distributor 5 that is coupling in the axle sleeve, and distributor 5 adopts stainless steel, and 1 air inlet and 4 gas outlets are arranged; The air inlet other end has an axle, so that 4 spray guns can rotate heating, and said distributor 5 axial restraint action bars 6, action bars 6 is a hollow-core construction; Be used for delivery of fuel gas, action bars 6 middle parts are provided with rectangular loop, are convenient to rotating operation bar 6 through rectangular loop; And drive distributor 5 rotations, and also be provided with air valve 7 on the said action bars 6, be used to control burnt gas switch and regulate the firepower size; Action bars 6 end seals connect air hose 8, and air hose 8 is connected to compressed air source unit, and the fuel gas source of this device is mainly liquefaction vapour; Said distributor 5 radially evenly is provided with four flame guns that are used to heat, and said spray gun mainly is made up of burner inner liner 2, nozzle 3 and straight tube 4, and said straight tube 4 adopts stainless steel tube, and the centre is a blast tube; The two ends tapping also is welded with nut, installs with convenient, and straight tube can select to install different length, to be suitable for the preheating of different tube diameters; Four straight tubes 4 evenly are fixed on the distributor 5, and communicate with the gas outlet of distributor 5, straight tube 4 terminal fixedly burner inner liners 2, and said burner inner liner 2 adopts stainless steel; 6 air admission holes are arranged at the bottom, and are furnished with adjustable plate, so that regulate the air inlet amount, thereby reach the big or small purpose of control firepower; Said burner inner liner 2 center fixation nozzles 3, nozzle 3 adopts the high-quality copper material, and is rational in infrastructure; Safe in utilization, interchangeability is strong, and said nozzle 3 communicates with straight tube 4; Fuel gas source is transferred to distributor 5 backs from action bars 6 and spreads out of from straight tube 4, and through nozzle 3 ejections, realizes heating.
The preferred embodiment of this specific embodiment the utility model can not limit the utility model, and concrete each item rights protection scope is defined by the claims.
Claims (7)
1. the preheating device of torch pipe welding port more than a kind; It is characterized in that: comprise bracing frame, spray gun, distributor, action bars, air valve, air hose, the bracing frame top is provided with axle sleeve, and distributor is coupling in the axle sleeve; Said distributor axis is to the fixing operation bar; Action bars is a hollow-core construction, and said action bars end seal connects air hose, and air hose is connected to compressed air source unit; Said distributor radially evenly is provided with four flame guns that are used to heat.
2. many torches pipe welding port preheating device according to claim 1 is characterized in that: support frame as described above adopts the motion bar structure, have three support bars, but each support bar comprises two joints up and down of free adjustment height.
3. many torches pipe welding port preheating device according to claim 1 is characterized in that: said distributor is provided with 1 air inlet and 4 gas outlets, and the air inlet other end is provided with axle.
4. many torches pipe welding port preheating device according to claim 1 is characterized in that: said action bars middle part is provided with rectangular loop.
5. many torches pipe welding port preheating device according to claim 1, it is characterized in that: said action bars is provided with air valve.
6. according to claim 1 or 2 or 3 or 4 or 5 described many torches pipe welding port preheating devices; It is characterized in that: said spray gun mainly is made up of burner inner liner, nozzle and straight tube; Said four straight tubes evenly are fixed on the distributor, and communicate with the gas outlet of distributor, the terminal fixedly burner inner liner of straight tube; Said burner inner liner center fixation nozzle, nozzle communicates with straight tube.
7. many torches pipe welding port preheating device according to claim 6 is characterized in that: individual air admission hole is arranged at said burner inner liner bottom, and is furnished with adjustable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452967U CN202377699U (en) | 2011-12-23 | 2011-12-23 | Multi-torch pipe crater preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205452967U CN202377699U (en) | 2011-12-23 | 2011-12-23 | Multi-torch pipe crater preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377699U true CN202377699U (en) | 2012-08-15 |
Family
ID=46626217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205452967U Expired - Fee Related CN202377699U (en) | 2011-12-23 | 2011-12-23 | Multi-torch pipe crater preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202377699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984124A (en) * | 2017-11-28 | 2018-05-04 | 共享铸钢有限公司 | Big wall thickness pipe fitting groove welding preheating device |
| CN116357968A (en) * | 2023-05-31 | 2023-06-30 | 山西阳煤化工机械（集团）有限公司 | Device for heating a connection piece of a pressure vessel |
-
2011
- 2011-12-23 CN CN2011205452967U patent/CN202377699U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984124A (en) * | 2017-11-28 | 2018-05-04 | 共享铸钢有限公司 | Big wall thickness pipe fitting groove welding preheating device |
| CN116357968A (en) * | 2023-05-31 | 2023-06-30 | 山西阳煤化工机械（集团）有限公司 | Device for heating a connection piece of a pressure vessel |
| CN116357968B (en) * | 2023-05-31 | 2023-08-29 | 山西阳煤化工机械（集团）有限公司 | Device for heating a connection piece of a pressure vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |