CN206869293U - Prevent the device of underwater local dry cavity welding fume interference welder's sight - Google Patents
Prevent the device of underwater local dry cavity welding fume interference welder's sight Download PDFInfo
- Publication number
- CN206869293U CN206869293U CN201720314487.XU CN201720314487U CN206869293U CN 206869293 U CN206869293 U CN 206869293U CN 201720314487 U CN201720314487 U CN 201720314487U CN 206869293 U CN206869293 U CN 206869293U
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- cylinder
- flange
- connecting plate
- hollow steel
- air inlet
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- 239000003496 welding fume Substances 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 51
- 239000010959 steel Substances 0.000 claims description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 239000000741 silica gel Substances 0.000 claims description 38
- 229910002027 silica gel Inorganic materials 0.000 claims description 38
- 239000002023 wood Substances 0.000 claims description 15
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 12
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920005479 Lucite® Polymers 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
It the utility model is related to a kind of device for preventing underwater local dry cavity welding fume interference welder's sight, including observation window, adpting flange, cylinder, connecting plate, air inlet support shaft, hold-down support, flange, flange tabletting；Cylinder one end end is connected observation window by adpting flange, and the barrel that cylinder is located at below observation window is provided with connecting plate, and the other end is inserted in drainage arrangement, and is fixed by flange tabletting and flange with drainage arrangement；Air inlet support shaft one end is connected with connecting plate, and one section away from connecting plate is located on hold-down support, and hold-down support is fixed on the top of drainage arrangement；Welder can be observed and controlled to welding process by the device, gas at the top of the device by being blown into drainage arrangement, that smog will dispel below, and the overall picture of groove or weld seam can be seen clearly by rotating the device, effectively prevent interference of the smog to welder's sight in underwater local dry cavity welding.
Description
Technical field
Underwater local dry cavity welding technology field is the utility model is related to, more particularly to one kind is used for ocean platform and seabed
The device for preventing underwater local dry cavity welding fume interference welder's sight of oil pipeline UNDERWATER REPAIR WELDING FOR.
Background technology
In the research with underwater local dry cavity welding technique repairing subsea petroleum pipeline, repairing submarine oil has been invented
During pipeline, the drainage arrangement dried needed for welding surroundings is built.The device is in once welding, when welding is less than 5, Ke Yizheng
Often use；When more than 5, smog caused by welding can interfere to welder's sight, it is therefore desirable to be designed to prevent water
The device of lower local dry cavity welding fume interference welder's sight.
Utility model content
Main purpose of the present utility model be the defects of being to overcome above-mentioned technology to exist and providing one kind prevents underwater office
The device of portion's dry method welding smog interference welder's sight, it is connected by adpting flange with drainage arrangement, and welder can pass through the dress
To put and welding process is observed and controlled, gas is blown into drainage arrangement by device top, smog will can be dispelled below,
And the overall picture of groove or weld seam can be seen clearly by rotating the device, prevent that smog regards to welder in underwater local dry cavity welding
Line disturbs.
The purpose of this utility model is realized by following technical scheme.
The utility model prevents the device of underwater local dry cavity welding fume interference welder's sight, it is characterised in that including
Observation window, adpting flange, cylinder, connecting plate, air inlet support shaft, hold-down support, flange, flange tabletting；Cylinder one end end
It is connected observation window by adpting flange, and cylinder is located on the outside of the barrel below observation window and is provided with connecting plate, cylinder is another
End is inserted in drainage arrangement, and is fixed by flange tabletting and flange with drainage arrangement；The air inlet support shaft one end is with being connected
Plate connects, and one section away from connecting plate is located on hold-down support, and the hold-down support is fixed on the top of drainage arrangement.
The foregoing device for preventing underwater local dry cavity welding fume interference welder's sight, wherein：The cylinder is hollow
Steel pipe, to be opened flat mouth, the other end is angular cut for one end of the hollow steel tube；Hollow steel tube is provided with two close to flat open ended tubular wall
Individual through hole, one of through hole are located at hollow steel tube at the positive tube wall of the corresponding angular cut in flat openend, and another is logical
Hole position is in hollow steel tube at the tube wall of the corresponding angular cut back position in flat openend；The observation window includes one piece of circle
Poly (methyl methacrylate) plate, the circular poly (methyl methacrylate) plate circumferential edges are provided with several bolts hole；Adpting flange is annular flange, its endoporus with
The external diameter of cylinder is corresponding, is arranged adpting flange endoporus and is fixed on the outside of the flat openend end barrel of cylinder, circular lucite
Plate is placed on adpting flange and deviates from the side of the flat openend of cylinder, and is fixed by bolt；The connecting plate is logical to be drilled with one
Two pieces of curved plates in hole, the radian of the curved plate are corresponding to the radian of cylinder；One of connecting plate is weldingly fixed on cylinder
Body is located at below observation window on the corresponding positive barrel of angular cut, and with cylinder to be located at hollow steel tube close for the connecting plate through hole
Through hole at the flat corresponding angular cut front tube wall in openend is connected, and another piece of connecting plate is weldingly fixed on cylinder positioned at observation
Below window on the barrel at the corresponding angular cut back side, and the connecting plate through hole is located at hollow steel tube close to flat openend phase with cylinder
Through hole at corresponding angular cut back side tube wall is connected；The air inlet support shaft is two hollow steel tubes, one of cored steel
Pipe one end blocks, and the other end is openend, and the openend of the hollow steel tube is welded at the lead to the hole site of one piece of connecting plate, in making
Empty steel pipe communicates with cylinder, and the hollow steel tube is located at the top of hold-down support close to block end one section；Another hollow steel tube two
End is openning shape, and its one end is welded at the lead to the hole site of another piece of connecting plate, hollow steel tube is communicated with cylinder, this is hollow
Steel pipe is located at one section of flange outer rim at the top of hold-down support；The hold-down support is hollow steel block of wood body, block of wood body
Side vertical section to be trapezoidal, top surface is the concave surface with radian, radian and the air inlet support shaft cross section radian phase of the concave surface
Should, the axial perpendicular shape of the trapezoidal side of block of wood body and air inlet support shaft, block of wood body top surface is supported is located at method in air inlet support shaft
One section of bottom of blue outer rim；The cylinder angular cut end is located in drainage arrangement through flange endoporus, and flange, which is arranged, is fastened on cylinder
On the outside of barrel below body installation connecting plate, and it is fixed on by flange tabletting on drainage arrangement mounting hole, cylinder is opened flat mouth
The observation window and air inlet support shaft for holding connection are located at outside drainage arrangement.
The foregoing device for preventing underwater local dry cavity welding fume interference welder's sight, wherein：The flange is silica gel
Flange, the silica gel flange endoporus are corresponding to cylinder external diameter；Flange tabletting is annular silica gel flange plate；The inner edge of the adpting flange
Welded together with the flat openend end of cylinder by argon arc welding technique；The air inlet support shaft of the both ends open, which is welded on, to be located at
On the connecting plate of cylinder angular cut dorsal part, the air inlet support shaft of one end closure is welded on the connecting plate positioned at cylinder angular cut positive side
On；The hold-down support is two hollow steel block of wood bodies, and its bottom is welded on drainage arrangement, and top passes through hose clamp and two
Individual air inlet support shaft is located at one section of connection of flange outer rim, and the degree of rotating freely for making air inlet support shaft is 1；The silica gel flange sleeve
If on the outside of the barrel being fastened on below cylinder installation connecting plate, silica gel flange tabletting is set in the cylinder below cylinder installation connecting plate
On the outside of wall and by being bolted on silica gel flange horizontal part, silica gel flange vertical portion side hose clamp on the outside of cylinder barrel with binding round
Tightly；Valve is installed in the air inlet support shaft of the both ends open.
The utility model prevents that the beneficial effect of the device of underwater local dry cavity welding fume interference welder's sight from being：Overcome
The device of underwater local dry cavity welding fume interference welder's sight, manufacture during for carrying out underwater tubular structure overhead welding REPAIR WELDING
Underwater gas-phase space, so that welding gun carries out the work such as preheating under water, underwater overhead welding welding, underwater scarfing cinder under dedicated water, so as to
Underwater local dry cavity overhead welding welding is completed, ensures underwater overhead welding weldquality.
Brief description of the drawings：
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the schematic diagram that the utility model is arranged on drainage arrangement.
Fig. 3 is the utility model downhand welding use state diagram.
Major Symbol explanation in figure：1 cylinder, 2 connecting plates, 3 adpting flanges, 4 hold-down supports, 5 air inlet support shafts, 6 observations
Window, 7 flange tablettings, 8 flanges, A bodys to be welded, B drainage arrangements.
Embodiment
As shown in Figure 1 to Figure 3, the utility model prevents the device of underwater local dry cavity welding fume interference welder's sight,
It includes observation window 6, adpting flange 3, cylinder 1, connecting plate 2, air inlet support shaft 5, hold-down support 4, silica gel flange 8, flange pressure
Piece 7；One end end of cylinder 1 is connected observation window 6 by adpting flange 3, and cylinder 1 is located at outside the barrel below observation window
Side is provided with connecting plate 2, and the other end of cylinder 1 is inserted in drainage arrangement, and is filled by flange tabletting 7 and silica gel flange 8 with draining
Put fixation；The one end of air inlet support shaft 5 is connected with connecting plate 2, and one section away from connecting plate is located on hold-down support 4, and this is fixed
Bearing 4 is fixed on the top of drainage arrangement.
As shown in Figure 1 to Figure 3, the utility model prevents the device of underwater local dry cavity welding fume interference welder's sight,
Wherein：The cylinder 1 is hollow steel tube, and to be opened flat mouth, the other end is angular cut for one end of the hollow steel tube；Hollow steel tube is close to flat
Open ended tubular wall is provided with two through holes, and one of through hole is located at hollow steel tube close to the corresponding angular cut front in flat openend
Tube wall at, another through hole is located at hollow steel tube at the tube wall of the corresponding angular cut back position in flat openend；The sight
Examining window 6 includes one piece of circular poly (methyl methacrylate) plate, and the circular poly (methyl methacrylate) plate circumferential edges are provided with several bolts hole；Adpting flange 3
For annular flange, its endoporus is corresponding to the external diameter of cylinder 1, is arranged the endoporus of adpting flange 3 and is fixed on the flat openend end of cylinder 1
On the outside of barrel, circular poly (methyl methacrylate) plate is placed on adpting flange 3 and deviates from the side of 1 flat openend of cylinder, and is fixed by bolt；
The connecting plate 2 is two pieces of curved plates for being drilled with a through hole, and the radian of the curved plate is corresponding to the radian of cylinder 1；Wherein
One piece of connecting plate 2 is weldingly fixed on cylinder 1 and is located at below observation window on the corresponding positive barrel of angular cut, and the connecting plate 2
Through hole and cylinder 1 are located at through hole of the hollow steel tube at the corresponding angular cut front tube wall in flat openend and are connected, another piece
Connecting plate 2 is weldingly fixed on cylinder 1 and is located at below observation window on the barrel at the corresponding angular cut back side, and the through hole of connecting plate 2
It is located at through hole of the hollow steel tube at the corresponding angular cut back side tube wall in flat openend with cylinder 1 to be connected；The air inlet supports
Axle 5 is two hollow steel tubes, the closure of one of hollow steel tube one end, and the other end is openend, the openend of the hollow steel tube
It is welded at the lead to the hole site of one piece of connecting plate 2, hollow steel tube is communicated with cylinder, one section of the close closure end of the hollow steel tube
Positioned at the top of hold-down support 4；Another hollow steel tube both ends is openning shape, and its one end is welded on the logical of another piece of connecting plate 2
Hole location, hollow steel tube is set to be communicated with cylinder, the hollow steel tube be located at the outer rim of silica gel flange 8 one section is located at hold-down support 4
Top；The hold-down support 4 is hollow steel block of wood body, and the side vertical section of block of wood body is trapezoidal, and top surface is with radian
Concave surface, the radian of the concave surface is corresponding to the cross section radian of air inlet support shaft 5, trapezoidal side and the axle of air inlet support shaft 5 of block of wood body
To perpendicular shape, block of wood body top surface supports one section of bottom for being located at the outer rim of silica gel flange 8 in air inlet support shaft 5；The cylinder 1 is chamfer
Mouth end is located in drainage arrangement through the endoporus of silica gel flange 8, and silica gel flange 8, which is arranged, is fastened on the lower section of the installation of cylinder 1 connecting plate 2
On the outside of barrel, and it is fixed on by flange tabletting on drainage arrangement mounting hole, the He of observation window 6 for connecting 1 flat openend of cylinder
Air inlet support shaft 5 is located at outside drainage arrangement.
The flange 8 is made up of silica gel material, and the endoporus of silica gel flange 8 is corresponding to the external diameter of cylinder 1；Flange tabletting 7 is annular
Silica gel flange plate；The inner edge of the adpting flange 3 is welded together with the flat openend end of cylinder by argon arc welding technique；Open at both ends
The air inlet support shaft 5 of mouth is welded on the connecting plate of cylinder angular cut dorsal part, and the air inlet support shaft of one end closure is welded on
On the connecting plate of cylinder angular cut positive side；The hold-down support 4 is two hollow steel block of wood bodies, and its bottom is welded on row
In water installations, top by hose clamp with two air inlet support shafts are located at the outer rim of silica gel flange 8 one section be connected, make air inlet support shaft
Degree of rotating freely be 1；The silica gel flange 8, which is arranged, is fastened on the barrel outside that cylinder 1 installs the lower section of connecting plate 2, silica gel flange
Tabletting 7 is set in cylinder 1 and installed on the outside of the barrel of the lower section of connecting plate 2 and by being bolted on the horizontal part of silica gel flange 8, silicon
The vertical portion side hose clamp of glue flange 8 and banding on the outside of cylinder barrel；Valve is installed in the air inlet support shaft 5 of the both ends open.
The utility model prevents the device of underwater local dry cavity welding fume interference welder's sight from passing through in flange tabletting 7
Screw hole is connected using screw with drainage arrangement B, and drainage arrangement B is placed on body A to be welded tube wall；Silica gel flange
8 upper limb is pressed in below flange tabletting and is closely connected with drainage arrangement B, and its lower end is set on cylinder 1 in flat openend and is located at
On tube wall below connecting plate, device and the row of underwater local dry cavity welding fume interference welder's sight are prevented in the utility model
Play a part of sealing between water installations B to be flexible coupling；Two pieces of connecting plates 2 are respectively welded on the outside of the barrel of cylinder 1, make connecting plate 2
It is bonded completely with cylinder barrel, and the through hole on connecting plate 2 aligns with the through hole that the barrel of cylinder 1 opens up；Two air inlet support shafts 5
One end be respectively welded on two pieces of connecting plates 2, and the endoporus of air inlet support shaft 5 is alignd with connecting plate through hole, both end of which
Opening air inlet support shaft is welded on the connecting plate of cylinder angular cut dorsal part, and one end is provided with the air inlet support shaft welding of closure
On another piece of connecting plate；Two bottoms of hold-down support 4 are respectively welded on drainage arrangement, respectively again with hose clamp and two air inlets
Axis connection is supported, and it is 1 air inlet support shaft 5 is had degree of rotating freely；The inner edge of adpting flange 3 and the flat openend end of cylinder
Welded together by argon arc welding technique, the poly (methyl methacrylate) plate of observation window 6 is connected by bolt with adpting flange 3；Silica gel flange 8
It is arranged and is fastened on the barrel outside that cylinder 1 installs the lower section of connecting plate 2, silica gel flange tabletting 7 is set in cylinder 1 and installs connecting plate 2
On the outside of the barrel of lower section and by being bolted on the horizontal part of silica gel flange 8, the vertical portion side hose clamp of silica gel flange 8 and cylinder
Banding on the outside of barrel.
Connection the utility model and the silica gel flange of drainage arrangement and flange tabletting use hardness for 20 silica gel material, by
It is softer in silica gel material, it so can not only ensure the free degree when device uses, good sealing function can also be played.
Cylinder, connecting plate, air inlet support shaft and hold-down support use 304 stainless steels, are the climatic environments pair because operation on the sea
Equipment corrosion is big.Observation window uses poly (methyl methacrylate) plate, is because lucite is than simple glass impact resistance.
When carrying out underwater local dry cavity welding using the device, gas is blown into by the air inlet support shaft opening not blocked
In drainage arrangement, by adjusting the valve installed in air inlet support shaft, facilitate welder to control air inflow, be passed through gas and typically use
The gaseous mixture of carbon dioxide or carbon dioxide and helium.
Welding gun is located at the lower section of the angular cut of cylinder 1, welder's hand torch under water, ensures welding gun all the time below angular cut
Swing, can so ensure welding process all the time by the gas shield entered in drainage arrangement, in use, welder passes through observation
Window 6 is observed downwards, and screening glass can also adhere to eyeglass on observation window 6 on the helmet of diving welder, during welding, gas
Blowing force is formed from the top down in the device, blows away flue dust, effectively prevents underwater local dry cavity welding fume interference welder's sight.
Hold-down support 4 is welded on drainage arrangement, as shown in Fig. 2 and be connected by hose clamp with air inlet support shaft 5, so
The utility model can be that axle center is rotated with air inlet support shaft 5, be easy to welder to hold the device in outside and rotate, complete whole
Welding process.
The utility model prevents the device advantage of underwater local dry cavity welding fume interference welder's sight：1st, carbon dioxide or
The gaseous mixture of person's carbon dioxide and helium is blown into drainage arrangement as protective gas by the device top down, can will weld cigarette
Mist is blown off, and is easy to welder to observe welding process, and real-time control is carried out to welding process.2nd, the device can be carried out along an axle center
Rotation, it is easy to see clearly the overall picture of groove and weld seam.3rd, the material of silica gel flange 8 be hardness 20 silica gel, the material of flange tabletting
For 304 stainless steels, drainage arrangement and the utility model device are connected by silica gel flange and flange tabletting, is ensureing that this practicality is new
Type in itself degree of rotating freely while, it is ensured that drainage arrangement good sealing.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, it is all
It is any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still falls within
In the range of technical solution of the present invention.
Claims (3)
1. a kind of device for preventing underwater local dry cavity welding fume interference welder's sight, it is characterised in that including observation window
(6), adpting flange (3), cylinder (1), connecting plate (2), air inlet support shaft (5), hold-down support (4), flange (8), flange tabletting
(7)；Cylinder (1) one end end is connected observation window (6) by adpting flange (3), and cylinder (1) is located at below observation window
Barrel on the outside of be provided with connecting plate (2), cylinder (1) other end is inserted in drainage arrangement, and passes through flange tabletting (7) and flange
(8) fixed with drainage arrangement；Air inlet support shaft (5) one end is connected with connecting plate (2), and one section away from connecting plate is located at fixation
On bearing (4), the hold-down support (4) is fixed on the top of drainage arrangement.
2. the device according to claim 1 for preventing underwater local dry cavity welding fume interference welder's sight, its feature exist
In：
The cylinder (1) is hollow steel tube, and to be opened flat mouth, the other end is angular cut for one end of the hollow steel tube；Hollow steel tube leans on
Nearly flat open ended tubular wall is provided with two through holes, and one of through hole is located at hollow steel tube close to the corresponding angular cut in flat openend
At positive tube wall, another through hole is located at hollow steel tube at the tube wall of the corresponding angular cut back position in flat openend；
The observation window (6) includes one piece of circular poly (methyl methacrylate) plate, and the circular poly (methyl methacrylate) plate circumferential edges are provided with several bolts
Hole；Adpting flange (3) is annular flange, and its endoporus is corresponding to the external diameter of cylinder 1, is arranged adpting flange (3) endoporus and is fixed on
On the outside of the flat openend end barrel of cylinder (1), circular poly (methyl methacrylate) plate is placed on adpting flange (3) and is opened flat mouth away from cylinder (1)
The side at end, and fixed by bolt；
The connecting plate (2) is two pieces of curved plates for being drilled with a through hole, the radian of the curved plate and the radian of cylinder (1)
Accordingly；One of connecting plate (2) is weldingly fixed on cylinder (1) and is located at the corresponding positive barrel of angular cut below observation window
On, and connecting plate (2) through hole and cylinder (1) are located at hollow steel tube at the corresponding angular cut front tube wall in flat openend
Through hole is connected, and another piece of connecting plate (2) is weldingly fixed on the cylinder that cylinder (1) is located at the corresponding angular cut back side below observation window
On wall, and connecting plate (2) through hole and cylinder (1) are located at hollow steel tube at the corresponding angular cut back side tube wall in flat openend
Through hole be connected；
The air inlet support shaft (5) is two hollow steel tubes, and one of hollow steel tube one end closure, the other end is openend,
The openend of the hollow steel tube is welded at the lead to the hole site of one piece of connecting plate (2), hollow steel tube is communicated with cylinder, in this
Empty steel pipe is located at the top of hold-down support (4) close to block end one section；Another hollow steel tube both ends is openning shape, its one end
It is welded at the lead to the hole site of another piece of connecting plate (2), hollow steel tube is communicated with cylinder, the hollow steel tube is located at flange (8)
One section of outer rim is located at the top of hold-down support (4)；
The hold-down support (4) is hollow steel block of wood body, and the side vertical section of block of wood body is trapezoidal, and top surface is with radian
Concave surface, the radian of the concave surface is corresponding to air inlet support shaft (5) cross section radian, the trapezoidal side of block of wood body and air inlet support shaft
(5) axially perpendicular shape, block of wood body top surface support one section of bottom for being located at flange (8) outer rim in air inlet support shaft (5)；
Cylinder (1) the angular cut end is located in drainage arrangement through flange (8) endoporus, and flange (8), which is arranged, is fastened on cylinder (1)
Install on the outside of the barrel below connecting plate (2), and be fixed on by flange tabletting on drainage arrangement mounting hole, make cylinder (1) flat
The observation window (6) and air inlet support shaft (5) of openend connection are located at outside drainage arrangement.
3. the device according to claim 2 for preventing underwater local dry cavity welding fume interference welder's sight, its feature exist
In：
The flange (8) is silica gel flange, and silica gel flange (8) endoporus is corresponding to cylinder (1) external diameter；Flange tabletting (7) is ring
Shape silica gel flange plate；
The inner edge of the adpting flange (3) is welded together with the flat openend end of cylinder by argon arc welding technique；
The air inlet support shaft (5) of the both ends open is welded on the connecting plate of cylinder angular cut dorsal part, one end closure
Air inlet support shaft is welded on the connecting plate of cylinder angular cut positive side；
The hold-down support (4) is two hollow steel block of wood bodies, and its bottom is welded on drainage arrangement, and top passes through hose clamp
Be located at flange (8) outer rim with two air inlet support shafts one section is connected, and the degree of rotating freely for making air inlet support shaft is 1；
The silica gel flange (8) is arranged on the outside of the barrel being fastened on below cylinder (1) installation connecting plate (2), silica gel flange tabletting
(7) it is set on the outside of the barrel below cylinder (1) installation connecting plate (2) and by being bolted to silica gel flange (8) horizontal part
On, silica gel flange (8) vertical portion side hose clamp and banding on the outside of cylinder barrel；
Valve is installed in the air inlet support shaft (5) of the both ends open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314487.XU CN206869293U (en) | 2017-03-29 | 2017-03-29 | Prevent the device of underwater local dry cavity welding fume interference welder's sight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314487.XU CN206869293U (en) | 2017-03-29 | 2017-03-29 | Prevent the device of underwater local dry cavity welding fume interference welder's sight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206869293U true CN206869293U (en) | 2018-01-12 |
Family
ID=61326963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314487.XU Expired - Fee Related CN206869293U (en) | 2017-03-29 | 2017-03-29 | Prevent the device of underwater local dry cavity welding fume interference welder's sight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206869293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789728A (en) * | 2021-09-30 | 2021-12-14 | 中建港航局集团有限公司 | Connecting device for underwater component mounting seam |
-
2017
- 2017-03-29 CN CN201720314487.XU patent/CN206869293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789728A (en) * | 2021-09-30 | 2021-12-14 | 中建港航局集团有限公司 | Connecting device for underwater component mounting seam |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
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Granted publication date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |