CN1846929A - Dry welded high pressure test compartment - Google Patents
Dry welded high pressure test compartment Download PDFInfo
- Publication number
- CN1846929A CN1846929A CN200610075779.9A CN200610075779A CN1846929A CN 1846929 A CN1846929 A CN 1846929A CN 200610075779 A CN200610075779 A CN 200610075779A CN 1846929 A CN1846929 A CN 1846929A
- Authority
- CN
- China
- Prior art keywords
- cabin
- tooth
- lower carriage
- light beam
- frame
- 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.)
- Pending
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The high pressure dry welding test compartment includes: one compartment with connected cover; one quick opening locker set in the joint between the compartment and cover; one welder support inside the compartment; one safety interlinking device on the outer wall of the compartment; and one high speed camera system. The high pressure dry welding test compartment has its safety interlinking device interlocked with the clamping tension sleeve, and after the fitting pin is set into the holding hole in the clamping tension sleeve, the clamping tension sleeve will be blocked from rotating with the fitting pin to avoid accident. The welding apparatus of the present invention may be used in all position welding test, and its high speed camera system may realize all position back light and may have its optical device regulated to eliminate error caused by the opening and closing of the compartment door.
Description
Technical field
The present invention relates to the ocean engineering field, particularly relate to a kind of dry welded high pressure test compartment that is applied to the submarine pipeline repair by welding.
Background technology
At present, mainly can be divided into three kinds of shroud tub type, high pressure type and gerotor types to the repair by welding of submarine pipeline dry type.In shroud tub type dry type welding, dry chamber (enclosing bucket) exceeds the suitable height of the water surface, and the bucket end, a bucket wall get lodged in water seal outside the bucket, is welded on dry type and encloses in the bucket and carry out.Shroud tub type is welded in the atmospheric environment and carries out, reliable welding quality, but configuration flexibility is low, only is suitable for usually carrying out at neritic province domain.In the high pressure dry welding, drive away the method formation dry type environment of water in the cabin by charging into gases at high pressure, be welded in the hyperbaric environment and carry out.Height press dry weldering and compares with other method for repairing and mending and have the reliable advantage of repairing quality, compares with the shroud tub type REPAIR WELDING to have applying flexible, can adapt to than advantages such as deepwater field.The welding process of gerotor type dry type welding (normal pressure welding) is carried out in atmospheric pressure environment, and welding quality is identical with land welding, be better than high pressure welds; But the manufacturing that the key of normal pressure welding and difficult point are atmospheric dry chamber.Generally speaking, atmospheric dry chamber can be made the water under high pressure shutoff by the sealing of the strictness between two openable faying faces out of my cabin.Obviously, the outstanding problem of normal pressure welding existence is: the waters is dark more, and the foundation of normal pressure welding surroundings is difficult more.
The high pressure welding is the reliable maintenance technique of the thing of important structure under water of present extensive use, but there are significant difference in behavior of hyperbaric environment electric arc and the behavior of air ambient electric arc, because pressure of ambient gas, the environmental gas composition, the variation of factors such as repair by welding subject material characteristic, the capital makes the welding arc characteristic, metallurgy characteristic and welding procedure characteristic are subjected to influence in various degree, thereby before welding repairing work under water, all need welding condition is studied at every turn, just need set up corresponding high pressure dry STUDY ON THE WELDING experimental rig, the main body of experimental rig is exactly a dry welded high pressure test compartment for this reason.The safety guarantee technology of traditional high pressure welding experimental cabin self is considered to have much room for improvement, and the position regulating function of its supporting frock, TT﹠C system, with and high speed video system all need to strengthen.
Summary of the invention
The purpose of this invention is to provide a kind of safe and reliable dry welded high pressure test compartment that is applied to the submarine pipeline repair by welding.
For achieving the above object, the present invention takes technical scheme: a kind of dry welded high pressure test compartment, it includes: a cabin body, but and the capping that is connected switch on this cabin body; One fast open locking device, it is arranged on the junction of described cabin body and capping; One welder support device, it is arranged in the body of described cabin; One safety interlocking, it is arranged on the outer wall of described cabin body; One high speed video system, it is external that the beam launcher of this high speed video system and light beam receiving system are arranged on described cabin, and the light beam of this high speed video system reflective mirror group of turning back is arranged in the body of cabin.
In the above-mentioned dry welded high pressure test compartment, described fast open locking device includes: a cylindrical shell profile of tooth flange, and its diameter is identical with the diameter of described cabin body, and an end of this cylindrical shell profile of tooth flange is fixed on the body of cabin, and the other end is provided with tooth; One end socket profile of tooth flange, its diameter is identical with the diameter of described cylindrical shell profile of tooth flange, and an end of this end socket profile of tooth flange is fixed in the described capping, and the other end is provided with and the identical tooth of cylindrical shell profile of tooth flange; One clip circle, its middle part is provided with storage tank, and one end is provided with the teeth groove of the tooth of corresponding described cylindrical shell profile of tooth flange and end socket profile of tooth flange; Cylindrical shell profile of tooth flange and end socket profile of tooth flange have the end face of tooth by this clip circle butt joint, and the tooth of cylindrical shell profile of tooth flange and end socket profile of tooth flange is placed in the storage tank of clip circle; The increment face that has of described cylindrical shell profile of tooth flange is provided with a sealed groove, is provided with " U " shape sealing ring in the sealing groove, and this cylindrical shell profile of tooth flange correspondence described " U " shape sealing ring also is provided with air inlet pipeline.
Specifically, the bottom of described clip circle external cylindrical surface is provided with two support rollers, and this support roller is fixed on the outside support of dry welded high pressure test compartment; Described clip circle external cylindrical surface also is provided with two and drives oil cylinder, and an end of this driving oil cylinder is connected clip circle external cylindrical surface, and the other end is connected on the outside support of dry welded high pressure test compartment; The teeth groove of described clip circle is arranged on the end face of relative end socket profile of tooth flange, and the contact Tooth of clip circle and end socket profile of tooth flange is a pitch face; Also be provided with a clip circle rotary positioning apparatus on the body of described cabin.
In the above-mentioned dry welded high pressure test compartment, described welder support device includes: a lower carriage, it is arranged in the body of described cabin, lower carriage left side nut and the right nut of lower carriage that described lower carriage includes support leading screw and these lower carriage leading screw two ends are set; One upper bracket left side frame, it is arranged on the nut of a described lower carriage left side, and this upper bracket left side frame is provided with leading screw, and cooperates this leading screw to be connected with upper bracket left side support bar; The right frame of one upper bracket, it is arranged on the right nut of described lower carriage, and the right frame of this upper bracket is provided with leading screw, and cooperates this leading screw to be connected with the right support bar of a upper bracket; One welding machine drive unit, it includes a frame, and this frame left end is articulated on the support bar of a described upper bracket left side, and this frame right-hand member is articulated on the right support bar of described upper bracket; Described frame is provided with a slide rail, and this slide rail is provided with a sliding motor, and this sliding motor is provided with a welding machine.
In the above-mentioned dry welded high pressure test compartment, described welder support device includes: a lower carriage, it is arranged in the body of described cabin, lower carriage left side nut and the right nut of lower carriage that described lower carriage includes support leading screw and these lower carriage leading screw two ends are set; One upper bracket left side frame, it is arranged on the nut of a described lower carriage left side, and this upper bracket left side frame is provided with the pipeline holding frame; The right frame of one upper bracket, it is arranged on the right nut of described lower carriage, and the right frame of this upper bracket is provided with the pipeline holding frame; One welding machine drive unit, it includes the slide rail that goes in ring, and this belt slide rail is bolted on the pipeline periphery to be welded by 3 supports that circumferentially are mutually 120 °; Connection is provided with one and can be connected with a welding machine on this frame along the frame of endless glide slip on the described belt slide rail.
Specifically, be provided with slide rail in the body of described cabin, this slide rail is provided with a Plan sliding transporting vehicle, and described lower carriage is arranged on this Plan sliding transporting vehicle; Two sections rotation directions are opposite about described lower carriage leading screw, and the one end is provided with support lead-screw driving device.
In the above-mentioned dry welded high pressure test compartment, described safety interlocking includes: one takes over, and it is arranged near the cabin body of described fast open locking device, and should take over and cabin body internal communication; One ball valve, it is connected in the described adapter; One delivery pipe, it is connected on the described ball valve; One warning device, it is arranged on the described delivery pipe; One bracing frame, it is arranged between described adapter and the fast open locking device on the body of cabin; One alignment pin, it is slidingly installed on the support frame as described above, and an end of this alignment pin is articulated on " へ " type spanner of described ball valve, the containing hole that the other end is offered on the fast open locking device.
Specifically, described adapter is arranged near the clip circle of described fast open locking device, and corresponding alignment pin is provided with described containing hole on the clip circle; Be connected by flange between described adapter and the ball valve, also be connected between described ball valve and the delivery pipe by flange; Support frame as described above Cheng “ " type, the one end is fixed on the body of cabin, and the other end is fixed on the ball valve; The warning device place of described delivery pipe also is provided with a pressure-reducing valve.
In the above-mentioned dry welded high pressure test compartment, it is external that beam launcher in the described high speed video system and light beam receiving system are arranged at described cabin, and the position of corresponding beam launcher of cabin body and light beam receiving system is provided with one respectively and advances a light visor and a bright dipping visor; The described light beam reflective mirror group of turning back is arranged in the body of cabin, and its position is corresponding described advances light visor and bright dipping visor; The light beam that described beam launcher sends is injected in the body of cabin from advancing the light visor, reflect in turn through the turn back reflective mirror of reflective mirror group of light beam, and, finally after penetrating the cabin body, the bright dipping visor receives by the light beam receiving system through reflecting through reflective mirror again behind the electric arc of welding machine.
In the above-mentioned dry welded high pressure test compartment, described beam launcher includes laser instrument, light beam lifting apparatus, light beam Traverse Displacement Unit and parallel beam expand device; 2 reflective mirrors that described light beam lifting apparatus can be regulated by relative distance are formed; Described light beam Traverse Displacement Unit also is made up of 2 reflective mirrors that relative distance can be regulated; Described parallel beam expand device is made up of aperture and two lens; The described light beam reflective mirror group of turning back includes 5 reflective mirrors, wherein the light beam that first reflective mirror will be through advancing the incident of light visor by Y to turnover be Z to, second reflective mirror with the first reflective mirror light reflected by Z to turn back for X to, the 3rd reflective mirror with the second reflective mirror light reflected by X to turn back for Z to and through the electric arc of welding machine, the 4th reflective mirror will through the light beam of welding machine electric arc by Z to transfer to X to, the 5th reflective mirror with the 4th reflective mirror light reflected by X to turn back for Y to and penetrate by the bright dipping visor; Described light beam receiving system includes one and assembles lens, an optical filter and a high-speed camera.
The present invention is owing to take above design, and it has the following advantages:
1, safety interlocking that is provided with on the high pressure welding experimental cabin of the present invention and the interlocking of clip circle, after the position pin enters the containing hole of clip circle, alignment pin just can stop clip circle revolution, also can't make the rotation of clip circle even maloperation occurs when having guaranteed work, avoids having an accident; A safety of opening the cabin is soon opened the door that pressure limit can preestablish and is constituted electric interlock with hydraulic cylinder, guaranteed experimental rig safe, can effectively prevent maloperation.
2, the welding tooling among the present invention can realize that all-position welding test, the light path of high speed video system can realize that full position is backlight and can eliminate the error of an open and close of opening the cabin soon by the adjustment of optics.In addition, the realtime graphic signal of scene and welding process can be by the storage of collecting image of computer system, playback in the cabin.
3, the fast open locking device among the present invention can satisfy the requirement of major diameter experimental cabin, has overcome two semi-ring trapezoidal cross-section clips and has changed up locking device lock insecure shortcoming under major diameter; Also overcome the deficiency that radial expansion ring block type fast open locking device is difficult to regain under the excessive situation of distortion.
4, among the present invention, two support rollers that clip circle external cylindrical surface bottom is provided with, fully guarantee the central axis and the experimental cabin cabin body central axis centering of clip circle, and, the setting of clip circle rotary positioning apparatus, more guaranteed the clip circle when rotated, the centering problem of the tooth of the teeth groove of clip circle and cylindrical shell profile of tooth flange or end socket profile of tooth flange.
5, in the fast open locking device of the present invention, each intermediate location physical dimension all is designed to arc transition, has effectively avoided producing bigger stress concentration phenomenon, makes the present invention more safe and reliable; In addition, the contact Tooth of clip circle and end socket profile of tooth flange can also adopt pitch face, forces the end face between end socket profile of tooth flange and the cylindrical shell profile of tooth flange to fit to compress " U " shape sealing ring in advance when making the rotation of clip circle like this.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of middle cylinder body profile of tooth flange of the present invention;
Fig. 4 is the structural representation of clip circle among the present invention;
Fig. 5 is the local enlarged diagram of Fig. 1;
Structural representation when Fig. 6 carries out the welding of horizontal level for the welder support device that is applicable to dull and stereotyped welding among the present invention to workpiece to be welded;
Fig. 7 is the right view of Fig. 6;
Structural representation when Fig. 8 carries out the welding of upright position for the welder support device that is applicable to dull and stereotyped welding among the present invention to workpiece to be welded;
Fig. 9 is for being applicable to the structural representation of the welder support device of pipeline welding among the present invention;
Figure 10 is the right view of Fig. 9;
Figure 11 is the structural representation of safety interlocking among the present invention;
Figure 12 is the light path schematic diagram of high speed camera system of the present invention;
Figure 13 is that high speed camera system of the present invention is installed in the structural representation on the dry welded high pressure test compartment;
Figure 14 is the structural representation of beam launcher in the high speed video system of the present invention;
Figure 15 is the structural representation of light beam receiving system in the high speed video system of the present invention.
The specific embodiment
As Fig. 1～shown in Figure 15, be dry welded high pressure test compartment provided by the present invention, it includes:
One cabin body 1, but and the capping 2 that is connected switch on the cabin body 1;
One fast open locking device 3, it is arranged on the junction of cabin body 1 and capping 2;
One welder support device 4, it is arranged in the cabin body 1;
One safety interlocking 5, it is arranged on the outer wall of cabin body 1;
One high speed video system 6, the beam launcher 61 of this high speed video system 6 and light beam receiving system 62 are arranged on outside the cabin body 1, and the light beam of this high speed video system 6 reflective mirror group 63 of turning back is arranged in the cabin body 1.
As Fig. 1～shown in Figure 5, in an embodiment of the present invention, fast open locking device 3 specifically includes:
One cylindrical shell profile of tooth flange 31, its diameter is identical with the diameter of cabin body 1, and an end of this cylindrical shell profile of tooth flange 31 is fixed on the cabin body 1, and the other end is provided with tooth 311;
One end socket profile of tooth flange 32, its diameter is identical with the diameter of cylindrical shell profile of tooth flange 31, and an end of this end socket profile of tooth flange 32 is fixed in the capping 2, and the other end is provided with the tooth 321 identical with cylindrical shell profile of tooth flange;
One clip circle 33, its middle part is provided with storage tank 331, and one end is provided with the teeth groove 332 of the tooth of corresponding cylindrical shell profile of tooth flange and end socket profile of tooth flange; Cylindrical shell profile of tooth flange and end socket profile of tooth flange have the end face of tooth by these clip circle 33 butt joints, and the tooth 311,321 of cylindrical shell profile of tooth flange and end socket profile of tooth flange is placed in the storage tank 331 of clip circle;
The increment face that has of cylindrical shell profile of tooth flange 31 is provided with a sealed groove 312, is provided with " U " shape sealing ring 34 in the sealing groove 312, and these cylindrical shell profile of tooth flange 31 corresponding described " U " shape sealing rings 34 also are provided with air inlet pipeline 313.
Central axis and cabin body 1 central axis centering in order to ensure clip circle 33 are provided with two support rollers 35 in the bottom of clip circle 33 external cylindrical surfaces especially, and this support roller 35 can be fixed on the outside support 10 of cabin body; In addition, clip circle 33 external cylindrical surfaces also are provided with two and drive oil cylinder 36, this drives oil cylinder 36 can be the double acting reciprocating hydraulic cylinder, the one end is connected clip circle 33 external cylindrical surfaces, the other end is connected on the outside support 10 of dry welded high pressure test compartment, drives oil cylinder 36 and is used for 33 rotations of driver card cranse.When guaranteeing clip circle 33 rotation, the teeth groove 332 of clip circle 33 and the centering problem of the tooth 311,321 of cylindrical shell profile of tooth flange 31 or end socket profile of tooth flange 32, also cabin body 1 is provided with a clip circle rotary positioning apparatus 37 especially.
Among the present invention, clip circle 33 can adopt the integral circular shape forging, also can adopt mode that two semi-ring forging connect firmly with ease of assembly.In the present embodiment, the clip circle has teeth groove 332 and anodontia in a side of cylindrical shell profile of tooth flange 1 relatively at a relative end face of end socket profile of tooth flange 32, teeth groove 332 on the clip circle also must be corresponding with the profile of tooth on the end socket profile of tooth flange 32, so that the tooth 321 on the end socket profile of tooth flange can be successfully passed in and out in the teeth groove 332 from the clip circle.
Under the constant situation of cylindrical shell profile of tooth flange 31, end socket profile of tooth flange 32 and clip circle 33 diameters, the number of teeth of being opened is many more, the tooth root chord length is just short more, and the angle of clip circle 33 rotations is just more little when opening and closing quick-opening structure, promptly finishes the quick-opening structure switching station and takes time just short more; The number of teeth is many more simultaneously, and device structure just is tending towards axial symmetry more, and STRESS VARIATION tends towards stability more; Can increase processing capacity and manufacture difficulty but the number of teeth is more, reduce the rigidity of each tooth, influence is to the ability to bear of axial force.Therefore, the total number of teeth in engagement of profile of tooth flange must be taken all factors into consideration, and the hoop size of generally getting each tooth is proper between 150～200mm.For the dry welded high pressure test compartment that internal diameter is 1600mm, can select for use 12 teeth along profile of tooth flange 31,32 or the uniform structure of clip circle 33 inner peripherys, the facewidth of clip circle 33 angle corresponding with teeth groove is respectively 14.5 ° and 15.5 °, and the hoop that can make the hoop at each tooth tooth top place be of a size of 202.458mm, teeth groove place like this is of a size of 216.421mm.
In addition, can bear huge axial force on the head of whole fast Kaifeng under the dry welded high pressure test compartment inflated condition, this axial force is born by the contact of the profile of tooth on end socket profile of tooth flange 32, clip circle 33, the cylindrical shell profile of tooth flange 31 engagement.Calculating shows, when high pressure welding experimental cabin internal diameter is 1600mm, even have only the residual pressure of 0.005MPa (0.05 atmospheric pressure), the axial force that acts on the head of fast Kaifeng also reaches 1 ton (correspondingly, axial force under 1MPa or 10 atmospheric pressures is up to 200 tons, axial force under 4MPa or 40 atmospheric pressures is then up to 800 tons), therefore must be paid much attention to for the intensity and the reliability of contact engaging tooth shape.In the present embodiment, the axial length of three place's profiles of tooth is 80mm, highly is 25mm on two profile of tooth flanges 31,32 and the clip circle 33, so both guaranteed the crushing strength of interior pressure effect dedendum flank, and can bear the shear strength of tooth again, the height of tooth is less can be so that the moment of flexure effect that tooth is subjected to be less.In addition, from the angle of stress distribution, tooth root on cylindrical shell profile of tooth flange 31, end socket profile of tooth flange 32 and the clip circle 33 part is comparatively weak, and the physical dimension of this part is to influence peak stress especially especially to a key factor of peak stress; For avoiding producing bigger stress concentration phenomenon, each intermediate location physical dimension should be designed to arc transition, the knuckle radius can be 8mm.
Among the sealed groove 312 that " U " shape sealing ring 34 in the foregoing description is positioned on the cylindrical shell profile of tooth flange 31, before the experimental cabin inflation is boosted, need utilize extraneous source of the gas air feed that " U " shape sealing ring 34 is compressed on the axial end that is affixed on end socket profile of tooth flange 32, to realize reliable end face seal.In whole welding procedure test research process, the operation pressure of " U " shape sealing ring 34 should maintain always and be higher than 1-2 atmospheric level of simulation underwater environment atmosphere pressures in the experimental cabin.Should consider the material property of sizing material when selecting the rubber extruded RunddichtringO,, recommend to use the silicone rubber seal material as tensile strength, anti-wear performance, permanent deformation, hardness, hear resistance, resistance to medium and permeability etc. as " U " shape sealing ring 34.
In addition, as a further improvement on the present invention, can adopt helical teeth engages and seals structure, be to adopt pitch face on the contact Tooth of clip circle 33 and end socket profile of tooth flange 32, force end face applying between end socket profile of tooth flange 32 and the cylindrical shell profile of tooth flange 31 when making 33 rotations of clip circle like this to compress " U " shape sealing ring 34 in advance.Contact profile of tooth inclined-plane both can form by whole milling, attrition process, also can reach same effect by install left and right sides skewback additional on the flat flank of tooth, can also avoid the unnecessary wearing and tearing of clip circle 33 and end socket profile of tooth flange 32 contact Tooth to repair like this.According to experience in the past, can select 40Cr for use with the skewback that clip circle 33 profiles of tooth connect firmly mutually, can select the 45# steel for use with the skewback that end socket profile of tooth flange 32 profiles of tooth connect firmly mutually.
Fast open locking device among the present invention at first drives two and drives oil cylinders 36 and drive 33 rotations of clip circles when in use, and makes the teeth groove 332 of clip circle 33 align the tooth 321 of end socket profile of tooth flange 32, can control the location by travel switch when aligning; Then capping 2 is opened, the tooth 321 of end socket profile of tooth flange is withdrawed from from the teeth groove 332 of clip circle, after capping 2 is opened, just can realize putting into or taking out welding procedure test specimen in the dry welded high pressure test compartment.In the time of the closing test cabin, the tooth 321 that at first makes capping 2 drive end socket profile of tooth flange enters in the teeth groove 332 of clip circle, and the tooth 321 of end socket profile of tooth flange and the tooth 311 of cylindrical shell profile of tooth flange are close to, and the tooth 321 of end socket profile of tooth flange and the tooth 311 of cylindrical shell profile of tooth flange are arranged in the storage tank 331 of clip circle, drive two then and drive oil cylinder 36 drive clip circles 33 spinning reductions, at last, by the air inlet pipeline 313 on the cylindrical shell profile of tooth flange 31, and utilize extraneous source of the gas that " U " shape sealing ring 34 is carried out air feed, " U " shape sealing ring 34 is compressed on the axial end that is affixed on end socket profile of tooth flange 32, to realize reliable end face seal.In whole welding procedure test research process, the operation pressure of " U " shape sealing ring 34 should maintain always and be higher than 1-2 atmospheric level of simulation underwater environment atmosphere pressures in the experimental cabin.
As Fig. 6～shown in Figure 10, in an embodiment of the present invention, welder support device 4 be specifically as follows be applicable to dull and stereotyped welding and be applicable to pipeline welding.As Fig. 6～shown in Figure 8, it is the welder support device 4 that is applicable to dull and stereotyped welding, and it includes:
One lower carriage 41, it is arranged in the cabin body 1, lower carriage left side nut 412 and the right nut 413 of lower carriage that lower carriage 41 includes support leading screw 411 and these lower carriage leading screw 411 two ends are set;
One upper bracket left side frame 42, it is arranged on the nut 412 of a lower carriage left side, and upper bracket left side frame 42 is provided with leading screw 421, and cooperates leading screw 421 to be connected with upper bracket left side support bar 422;
The right frame 43 of one upper bracket, it is arranged on the right nut 413 of lower carriage, and the right frame 43 of upper bracket is provided with leading screw 431, and cooperates leading screw 431 to be connected with the right support bar 432 of a upper bracket;
One welding machine drive unit 44, it includes a frame 441, and these frame 441 left ends are articulated on the support bar 422 of a upper bracket left side, and these frame 441 right-hand members are articulated on the right support bar 432 of upper bracket; Also be provided with a slide rail 442 on the frame 441, slide rail 442 is provided with a sliding motor 443, and a welding machine 45 is set on the sliding motor 443.
In the present invention, be provided with slide rail 11 in the cabin body 1 of dry welded high pressure test compartment, slide rail 11 is provided with a Plan sliding transporting vehicle 12, and above-mentioned lower carriage 41 just is arranged on this Plan sliding transporting vehicle 12.Plan sliding transporting vehicle 12 is used for the support entire bracket, and after the capping of cabin body was opened like this, Plan sliding transporting vehicle 12 just can the support entire bracket pass in and out experimental cabin, is convenient to change weldment.
Two sections rotation directions are opposite about above-mentioned lower carriage leading screw 411, and the one end is provided with support lead-screw driving device; This lower carriage lead-screw driving device can be for taking turns or a motor on the other hand, and perhaps other can drive the device of lower carriage leading screw 411 rotations, and in the present embodiment, the lower carriage lead-screw driving device is specially a handwheel 414.
In addition, an end of the leading screw 431 of the leading screw 421 of upper bracket left side frame and the right frame of upper bracket is respectively arranged with a upper bracket lead-screw driving device; This upper bracket lead-screw driving device can be for taking turns or a motor on the other hand, and perhaps other can drive the device of leading screw 421,431 rotations, and in the present embodiment, the upper bracket lead-screw driving device is specially handwheel 423,433.
Be applicable to the dull and stereotyped welder support device 4 that welds when in use, by two block pressur plates about bolting with Work-sheet pressing to be welded (pressing plate is not shown in the figures) on base plate, when upper bracket left side support bar 422 and the right support bar 432 of upper bracket during in position as shown in Figure 6, just can slide along slide rail 442, carry out the welding of horizontal level thereby drive 45 pairs of workpiece to be welded of welding by driving sliding motor 443.In the time need carrying out the welding of upright position to workpiece to be welded, as shown in Figure 8, at first rotate the handwheel 414 of lower carriage leading screw 411 1 ends, thereby drive 411 rotations of lower carriage leading screw, because two sections rotation directions are opposite about support leading screw 411, the lower carriage left side nut 412 and the lower carriage right side nut 413 that are arranged on lower carriage leading screw 411 two ends like this just outwards move simultaneously inwards or simultaneously; When rotation hand wheel 414 moves lower carriage left side nut 412 and the right nut 413 of lower carriage simultaneously inwards, distinguish rotation hand wheel 423 again, 433 drive leading screw 421,431 rotations, and then driving upper bracket left side support bar 422 moves downward, the right support bar 432 of upper bracket moves upward, because frame 441 and upper bracket left side support bar 422, be pivot joint between the right support bar 432 of upper bracket, so frame 441 can be around right support bar 432 rotations of upper bracket left side support bar 422 and upper bracket, and finally be positioned at as shown in Figure 8 position, at this moment can slide along slide rail 442 by driving sliding motor 443, carry out the welding of upright position thereby drive 45 pairs of workpiece to be welded of welding machine.
As Fig. 9, shown in Figure 10, it is the welder support device 4 that is applicable to pipeline welding, and it includes:
One lower carriage 41, it is arranged in the cabin body 1, lower carriage left side nut 412 and the right nut 413 of lower carriage that lower carriage 41 includes support leading screw 411 and lower carriage leading screw 411 two ends are set;
One upper bracket left side frame 42, it is arranged on the nut 412 of a lower carriage left side, and this upper bracket left side frame 42 is provided with pipeline holding frame 424;
The right frame 43 of one upper bracket, it is arranged on the right nut 413 of lower carriage, and 43 are provided with pipeline holding frame 434 on the right frame of this upper bracket;
One welding machine drive unit 46, it includes the slide rail 461 that goes in ring, and this belt slide rail 461 is fixed on pipeline 47 peripheries to be welded by 3 support bolts 462 that circumferentially are mutually 120 °; Connection is provided with one and can be connected with a welding machine 48 on this frame 463 along the frame 463 of endless glide slip on the belt slide rail 461; In the present embodiment, specifically, slide rail 461 surfaces of going in ring are tooth bar, and frame 463 is provided with the gear 464 that matches with tooth bar, and this gear 464 is by motor-driven (motor figure does not show).
In the present embodiment, be provided with slide rail 11 in the cabin body 1, slide rail 11 is provided with a Plan sliding transporting vehicle 12, and above-mentioned lower carriage 41 just is arranged on the Plan sliding transporting vehicle 12.
In addition, two sections rotation directions are opposite about above-mentioned lower carriage leading screw 411, and the one end is provided with support lead-screw driving device; This lower carriage lead-screw driving device can be for taking turns or a motor on the other hand, and perhaps other can drive the device of lower carriage leading screw 411 rotations, and in the present embodiment, the lower carriage lead-screw driving device is specially a handwheel 414.
The welder support device 4 that is applicable to pipeline welding when in use, at first rotate the handwheel 414 of lower carriage leading screw 411 1 ends, thereby drive 411 rotations of lower carriage leading screw, because two sections rotation directions are opposite about support leading screw 411, the lower carriage left side nut 412 and the lower carriage right side nut 413 that are arranged on lower carriage leading screw 411 two ends like this just outwards move simultaneously inwards or simultaneously; By rotation hand wheel 414, just can adjust the distance between the right nut 413 of lower carriage left side nut 412 and lower carriage, and then also just can adjust distance between the pipeline holding frame 434 of the pipeline holding frame 424 of upper bracket left side frame 42 and the right frame 43 of upper bracket, so just, the physical length that can really treat welded pipe line is adjusted the distance between two pipeline holding frames 424,434, make two pipeline holding frames 424,434 clamp the two ends of pipeline to be welded respectively, made things convenient for the welding operation of back.In order to guarantee the well secured of pipeline to be welded, a clamping frame (figure does not show) can also respectively be set on two pipeline holding frames 424,434, by clamping frame pipeline to be welded 47 is pressed on the pipeline holding frame 424,434.In addition, the belt slide rail 461 of welding machine drive unit 46 is fixed on pipeline 47 peripheries to be welded by 3 support bolts 462 that circumferentially are mutually 120 °, and be that rack-and-pinion is connected between frame 463 and the belt slide rail 461, so only need the motor driven gear on the drive chassis 463 to rotate, frame 463 is slided along the slide rail 461 that goes in ring, promptly along the circumferential slippage of pipeline 47 to be welded, be connected with welding machine 48 on the frame 463, welding machine 48 just can weld the circumferential weld of pipeline.
As shown in figure 11, in the embodiments of the invention, safety interlocking 5 specifically includes:
One takes over 51, and it is arranged near the fast open locking device the cabin body 1, and take over 51 with cabin body 1 internal communication;
One ball valve 52, it is connected takes on 51, in the present embodiment, take over 51 with ball valve 52 between is connected by flange, can certainly pass through other connected mode connection;
One delivery pipe 53, it is connected on the ball valve 52, in the present embodiment, is connected by flange between ball valve 52 and the delivery pipe 53, can certainly connect by other connected mode;
One alarm hooter 54, it is arranged on the delivery pipe 53;
One bracing frame 55, its be arranged on take over 51 and the fast open locking device between on the body of cabin;
One alignment pin 56, it is slidingly installed on the bracing frame 55, and an end of this alignment pin 56 is articulated on " へ " type spanner 521 of ball valve 52, the containing hole 38 that the other end is offered on the fast open locking device 3.
Adapter 51 in the present embodiment specifically can be arranged near the clip circle 33 of fast open locking device, and corresponding alignment pin 56 is provided with above-mentioned containing hole 38 on the clip circle 33, and makes alignment pin 56 over against this containing hole 38.
In addition, the bracing frame 55 in the present embodiment is designed to it " " type especially in order to have guaranteed good supporting power, and the one end is fixed on the cabin body 1, and the other end is fixed on the ball valve 52.
In addition, warning device 54 places of delivery pipe 53 can also be provided with a pressure-reducing valve 57.The setting of pressure-reducing valve 57 can guarantee that the gas pressure that comes out from delivery pipe 53 is very low, avoids operating personnel are produced unnecessary damages.
The use of the safety interlocking 5 among the present invention simply is described below: the without hindrance thing of capping 2 front ends is confirmed in relevant welding experimental device and material, inspection when installing, the teeth groove of examining clip circle 33 after initial bit, the primer fluid compressing cylinder promotes capping 2 and moves to cabin body detent position; The hydraulic jack of clip circle 33 is rotated in the forward after the capping sealing puts in place, and driver card cranse 33 low-angles rotate, and pins capping; After clip circle 33 is rotated in place, operating personnel manually rotate ball valve 52 of the present invention " へ " type spanner 521, ball valve 52 is closed, spanner 521 drives alignment pin 56 displacements simultaneously, alignment pin 56 is entered in the containing hole 38 of clip circle 33, alignment pin 56 just can stop clip circle 33 revolution like this, also can't make 33 rotations of clip circle even maloperation occurs when having guaranteed work; At this moment, just can be to pressurising in the body of cabin, the welding experiment of being correlated with.When finishing, welding procedure test need open fast beginning during lid, gas in the at first necessary emptying high pressure welding experimental cabin, when air pressure becomes normal pressure, " へ " type spanner 521 of manual unlocking ball valve 52, thereby ball valve 52 is opened, also made alignment pin 56 withdraw from the containing hole 38 of clip circle 33 simultaneously; If also have compressed gas in the high pressure welding experimental cabin this moment, so compressed gas just through take over 51, ball valve 52, delivery pipe 53 and pressure-reducing valve 57 discharge with alarm hooter 54, police whistle sound also sounds thereupon, have only when gas pressure in the high pressure welding experimental cabin is reduced to zero, siren breath sound, can rotate clip circle 33 this moment, when clip circle 33 is got back to initial bit, restarts capping the cabin body is opened.
The setting of safety interlocking 5 among the present invention makes that be sealed on can not plenum in the cabin before closed fully, and when cabin internal pressure gas was not released fully, locking device can not unclamp, and this just makes experimental cabin can not cause the accident because of maloperation.
As shown in Figure 12 and Figure 13, in the embodiment of the invention, beam launcher 61 and light beam receiving system 62 in the high speed video system 6 are arranged at outside the cabin body 1, and the position of cabin body 1 corresponding beam launcher 61 and light beam receiving system 62 is provided with one respectively and advances a light visor 13 and a bright dipping visor 14; The light beam reflective mirror group 63 of turning back is arranged in the body of cabin, and its position correspondence is advanced light visor 13 and bright dipping visor 14; The light beam that beam launcher 61 sends is injected in the body of cabin from advancing light visor 13, reflect in turn through the turn back reflective mirror of reflective mirror group 63 of light beam, and, finally after penetrating the cabin bodies, bright dipping visor 14 receives by light beam receiving system 62 through reflecting through reflective mirror again behind the electric arc of welding machine 64.
Cooperate Figure 12, shown in Figure 14, in the present invention, beam launcher 61 includes laser instrument 611, light beam lifting apparatus 612, light beam Traverse Displacement Unit 613 and parallel beam expand device 614.Specifically, light beam lifting apparatus 612 can be formed (M1 among Figure 14, M2) by 2 reflective mirrors that relative distance can be regulated, it mainly is the adjustment of light beam being carried out upper-lower position, certainly light beam lifting apparatus 612 also can be other structures, as long as it can realize light beam is carried out the adjustment of upper-lower position, at this not as limit; Light beam Traverse Displacement Unit 613 also can be formed (M3 among Figure 14, M4) by 2 reflective mirrors that relative distance can be regulated, be about to light beam lifting apparatus installation site by vertically making level into, just can form light beam Traverse Displacement Unit 613, it mainly is the adjustment of light beam being carried out horizontal level, certainly light beam Traverse Displacement Unit 613 also can be other structures, as long as it can realize light beam is carried out the adjustment of horizontal level, at this not as limit; Parallel beam expand device 614 can form 6142,6143 by aperture 6141 and two lens, 6142 pairs of laser beams of aperture 6141 and lens carry out space filtering, 6143 pairs of laser beams of lens expand bundle, parallel beam expand device 614 can be expanded as the laser beam hot spot diameter level that meets high pressure welding arc photographing request, and is collimated light beam through the light beam that parallel beam expand device 614 comes out.The main purpose that light beam lifting apparatus 612, light beam Traverse Displacement Unit 613 are set is the light-beam position error that causes because of the open and close of the hatch door of high pressure welding experimental cabin in order to eliminate.
Cooperate Figure 12, shown in Figure 13 again, among the present invention, for convenience of explanation, establishing the dry welded high pressure test compartment axis is X-axis, and the vertical plane of X-axis is the YZ plane, and wherein Z is a short transverse.The light beam reflective mirror group 63 of turning back specifically includes 5 reflective mirrors, wherein the light beam that first reflective mirror 631 will be through advancing 13 incidents of light visor by Y to turnover be Z to, second reflective mirror 632 with first reflective mirror, 631 light reflected by Z to turn back for X to, the 3rd reflective mirror 633 with second reflective mirror, 632 light reflected by X to turn back for Z to and through the electric arc of welding machine 64, the 4th reflective mirror 634 will through the light beam of welding machine 64 electric arcs by Z to transfer to X to, the 5th reflective mirror 635 with the 4th reflective mirror 634 light reflected by X to turn back for Y to and penetrate by bright dipping visor 14.Specifically, the turn back reflective mirror of reflective mirror group 63 of light beam is installed in (adjusting device figure does not show) on the adjusting device, this adjusting device can be regulated the angle of reflective mirror, simultaneously also can be along X, Y or Z to moving, the structure of adjusting device belongs to the category of prior art, it can directly be bought from market, does not do at this and gives unnecessary details.
Cooperate Figure 12, shown in Figure 15, light beam receiving system 62 includes one and assembles lens 621, an optical filter 622 and a high-speed camera 623.Light beam and welding arc image that convergent lens 621 will pass bright dipping visor 14 on the dry welded high pressure test compartment receive convergence before, make its brightness meet the high-speed camera requirement by optical filter 622 filtrations again after assembling, high-speed camera 623 requires to take the welding arc image according to concrete Type of Welding with the frame number that adapts.
Claims (10)
1, a kind of dry welded high pressure test compartment is characterized in that, it includes:
One cabin body, but and the capping that is connected switch on this cabin body;
One fast open locking device, it is arranged on the junction of described cabin body and capping;
One welder support device, it is arranged in the body of described cabin;
One safety interlocking, it is arranged on the outer wall of described cabin body;
One high speed video system, it is external that the beam launcher of this high speed video system and light beam receiving system are arranged on described cabin, and the light beam of this high speed video system reflective mirror group of turning back is arranged in the body of cabin.
2, dry welded high pressure test compartment according to claim 1 is characterized in that: described fast open locking device includes:
One cylindrical shell profile of tooth flange, its diameter is identical with the diameter of described cabin body, and an end of this cylindrical shell profile of tooth flange is fixed on the body of cabin, and the other end is provided with tooth;
One end socket profile of tooth flange, its diameter is identical with the diameter of described cylindrical shell profile of tooth flange, and an end of this end socket profile of tooth flange is fixed in the described capping, and the other end is provided with and the identical tooth of cylindrical shell profile of tooth flange;
One clip circle, its middle part is provided with storage tank, and one end is provided with the teeth groove of the tooth of corresponding described cylindrical shell profile of tooth flange and end socket profile of tooth flange; Cylindrical shell profile of tooth flange and end socket profile of tooth flange have the end face of tooth by this clip circle butt joint, and the tooth of cylindrical shell profile of tooth flange and end socket profile of tooth flange is placed in the storage tank of clip circle;
The increment face that has of described cylindrical shell profile of tooth flange is provided with a sealed groove, is provided with " U " shape sealing ring in the sealing groove, and this cylindrical shell profile of tooth flange correspondence described " U " shape sealing ring also is provided with air inlet pipeline.
3, dry welded high pressure test compartment according to claim 2 is characterized in that: the bottom of described clip circle external cylindrical surface is provided with two support rollers, and this support roller is fixed on the outside support of dry welded high pressure test compartment; Described clip circle external cylindrical surface also is provided with two and drives oil cylinder, and an end of this driving oil cylinder is connected clip circle external cylindrical surface, and the other end is connected on the outside support of dry welded high pressure test compartment; The teeth groove of described clip circle is arranged on the end face of relative end socket profile of tooth flange, and the contact Tooth of clip circle and end socket profile of tooth flange is a pitch face; Also be provided with a clip circle rotary positioning apparatus on the body of described cabin.
4, dry welded high pressure test compartment according to claim 1 is characterized in that: described welder support device includes:
One lower carriage, it is arranged in the body of described cabin, lower carriage left side nut and the right nut of lower carriage that described lower carriage includes support leading screw and these lower carriage leading screw two ends are set;
One upper bracket left side frame, it is arranged on the nut of a described lower carriage left side, and this upper bracket left side frame is provided with leading screw, and cooperates this leading screw to be connected with upper bracket left side support bar;
The right frame of one upper bracket, it is arranged on the right nut of described lower carriage, and the right frame of this upper bracket is provided with leading screw, and cooperates this leading screw to be connected with the right support bar of a upper bracket;
One welding machine drive unit, it includes a frame, and this frame left end is articulated on the support bar of a described upper bracket left side, and this frame right-hand member is articulated on the right support bar of described upper bracket; Described frame is provided with a slide rail, and this slide rail is provided with a sliding motor, and this sliding motor is provided with a welding machine.
5, dry welded high pressure test compartment according to claim 1 is characterized in that: described welder support device includes:
One lower carriage, it is arranged in the body of described cabin, lower carriage left side nut and the right nut of lower carriage that described lower carriage includes support leading screw and these lower carriage leading screw two ends are set;
One upper bracket left side frame, it is arranged on the nut of a described lower carriage left side, and this upper bracket left side frame is provided with the pipeline holding frame;
The right frame of one upper bracket, it is arranged on the right nut of described lower carriage, and the right frame of this upper bracket is provided with the pipeline holding frame;
One welding machine drive unit, it includes the slide rail that goes in ring, and this belt slide rail is bolted on the pipeline periphery to be welded by 3 supports that circumferentially are mutually 120 °; Connection is provided with one and can be connected with a welding machine on this frame along the frame of endless glide slip on the described belt slide rail.
6, according to claim 4 or 5 described dry welded high pressure test compartments, it is characterized in that: be provided with slide rail in the body of described cabin, this slide rail is provided with a Plan sliding transporting vehicle, and described lower carriage is arranged on this Plan sliding transporting vehicle; Two sections rotation directions are opposite about described lower carriage leading screw, and the one end is provided with support lead-screw driving device.
7, dry welded high pressure test compartment according to claim 1 is characterized in that: described safety interlocking includes:
One takes over, and it is arranged near the cabin body of described fast open locking device, and should take over and cabin body internal communication;
One ball valve, it is connected in the described adapter;
One delivery pipe, it is connected on the described ball valve;
One warning device, it is arranged on the described delivery pipe;
One bracing frame, it is arranged between described adapter and the fast open locking device on the body of cabin;
One alignment pin, it is slidingly installed on the support frame as described above, and an end of this alignment pin is articulated on " へ " type spanner of described ball valve, the containing hole that the other end is offered on the fast open locking device.
8, dry welded high pressure test compartment according to claim 7 is characterized in that: described adapter is arranged near the clip circle of described fast open locking device, and corresponding alignment pin is provided with described containing hole on the clip circle; Be connected by flange between described adapter and the ball valve, also be connected between described ball valve and the delivery pipe by flange; Support frame as described above Cheng “ " type, the one end is fixed on the body of cabin, and the other end is fixed on the ball valve; The warning device place of described delivery pipe also is provided with a pressure-reducing valve.
9, dry welded high pressure test compartment according to claim 1, it is characterized in that: it is external that beam launcher in the described high speed video system and light beam receiving system are arranged at described cabin, and the position of corresponding beam launcher of cabin body and light beam receiving system is provided with one respectively and advances a light visor and a bright dipping visor; The described light beam reflective mirror group of turning back is arranged in the body of cabin, and its position is corresponding described advances light visor and bright dipping visor; The light beam that described beam launcher sends is injected in the body of cabin from advancing the light visor, reflect in turn through the turn back reflective mirror of reflective mirror group of light beam, and, finally after penetrating the cabin body, the bright dipping visor receives by the light beam receiving system through reflecting through reflective mirror again behind the electric arc of welding machine.
10, dry welded high pressure test compartment according to claim 9 is characterized in that:
Described beam launcher includes laser instrument, light beam lifting apparatus, light beam Traverse Displacement Unit and parallel beam expand device; 2 reflective mirrors that described light beam lifting apparatus can be regulated by relative distance are formed; Described light beam Traverse Displacement Unit also is made up of 2 reflective mirrors that relative distance can be regulated; Described parallel beam expand device is made up of aperture and two lens;
The described light beam reflective mirror group of turning back includes 5 reflective mirrors, wherein the light beam that first reflective mirror will be through advancing the incident of light visor by Y to turnover be Z to, second reflective mirror with the first reflective mirror light reflected by Z to turn back for X to, the 3rd reflective mirror with the second reflective mirror light reflected by X to turn back for Z to and through the electric arc of welding machine, the 4th reflective mirror will through the light beam of welding machine electric arc by Z to transfer to X to, the 5th reflective mirror with the 4th reflective mirror light reflected by X to turn back for Y to and penetrate by the bright dipping visor;
Described light beam receiving system includes one and assembles lens, an optical filter and a high-speed camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610075779.9A CN1846929A (en) | 2006-05-09 | 2006-05-09 | Dry welded high pressure test compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610075779.9A CN1846929A (en) | 2006-05-09 | 2006-05-09 | Dry welded high pressure test compartment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1846929A true CN1846929A (en) | 2006-10-18 |
Family
ID=37076784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610075779.9A Pending CN1846929A (en) | 2006-05-09 | 2006-05-09 | Dry welded high pressure test compartment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1846929A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758334A (en) * | 2008-12-25 | 2010-06-30 | 北京石油化工学院 | Underwater welding test chamber |
| CN101758322A (en) * | 2008-12-25 | 2010-06-30 | 北京石油化工学院 | Underwater remote-control welding system |
| CN101846592A (en) * | 2010-05-26 | 2010-09-29 | 苏州市锦翔压力容器制造有限公司 | Pressurized testing machine |
| CN102039501A (en) * | 2009-10-13 | 2011-05-04 | 北京石油化工学院 | Dry-type welding cabin for underwater pipeline |
| CN103273294A (en) * | 2013-05-02 | 2013-09-04 | 中国船舶重工集团公司第七○二研究所 | Opening-and-closing mechanism for horizontal-type pressure cylinder hoops |
| CN106090606A (en) * | 2015-04-30 | 2016-11-09 | (株)荣国电子 | LNG storage tank internal monitoring device |
| CN107181931A (en) * | 2017-05-15 | 2017-09-19 | 华中科技大学 | A kind of camera system for orthogonal turning and milling process high speed imaging |
| CN109436259A (en) * | 2018-12-05 | 2019-03-08 | 上海打捞局芜湖潜水装备厂 | A kind of ship load saturation diving escape compartment docking facilities |
| CN111975204A (en) * | 2020-08-24 | 2020-11-24 | 北京石油化工学院 | Laser-arc composite additive manufacturing and maintaining system and method for submarine pipeline |
-
2006
- 2006-05-09 CN CN200610075779.9A patent/CN1846929A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758334A (en) * | 2008-12-25 | 2010-06-30 | 北京石油化工学院 | Underwater welding test chamber |
| CN101758322A (en) * | 2008-12-25 | 2010-06-30 | 北京石油化工学院 | Underwater remote-control welding system |
| CN102039501A (en) * | 2009-10-13 | 2011-05-04 | 北京石油化工学院 | Dry-type welding cabin for underwater pipeline |
| CN101846592A (en) * | 2010-05-26 | 2010-09-29 | 苏州市锦翔压力容器制造有限公司 | Pressurized testing machine |
| CN103273294A (en) * | 2013-05-02 | 2013-09-04 | 中国船舶重工集团公司第七○二研究所 | Opening-and-closing mechanism for horizontal-type pressure cylinder hoops |
| CN106090606A (en) * | 2015-04-30 | 2016-11-09 | (株)荣国电子 | LNG storage tank internal monitoring device |
| CN107181931A (en) * | 2017-05-15 | 2017-09-19 | 华中科技大学 | A kind of camera system for orthogonal turning and milling process high speed imaging |
| CN109436259A (en) * | 2018-12-05 | 2019-03-08 | 上海打捞局芜湖潜水装备厂 | A kind of ship load saturation diving escape compartment docking facilities |
| CN109436259B (en) * | 2018-12-05 | 2023-10-27 | 上海打捞局芜湖潜水装备厂有限公司 | Docking device for on-board saturated diving escape capsule |
| CN111975204A (en) * | 2020-08-24 | 2020-11-24 | 北京石油化工学院 | Laser-arc composite additive manufacturing and maintaining system and method for submarine pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2923150Y (en) | High-pressure dry-type welding test cabin | |
| CN1846929A (en) | Dry welded high pressure test compartment | |
| CN100588481C (en) | Pipe end spinning, rolling-out and flange turning machine | |
| MX2014012217A (en) | Device for connecting the ends of pipes made of steel by means of an orbital welding process. | |
| CN105527096A (en) | Gearbox no-load running-in test bed with self-centering positioning and clamping device | |
| CN1784569A (en) | Apparatus,systems and methods for plugging a high temperature pipe | |
| CN1833809A (en) | Fast open locking gear of high pressure dry welding experimental cabin | |
| CN109202288A (en) | One kind continuously managing full laser soldering device | |
| CN100355626C (en) | 'cabin inside cabin' type working space for welding subwater pipeline in dry mode and under normal pressure | |
| CN108397597A (en) | A kind of extra large pipe connection operation constructing device of cylinder tracheae balance | |
| CN111975385B (en) | Vertical in-situ processing system for barrel section | |
| CN116851918B (en) | Butt welding equipment for automobile oil storage barrels | |
| CN201082452Y (en) | Pipe end spinning enlarging flanging press | |
| CN112139659A (en) | Butt-joint laser hybrid welding system for thin plates of shipyard | |
| CN112536501A (en) | Gas flame welding equipment | |
| CN111151981A (en) | Method for manufacturing axle housing of thin plate high-bearing heavy truck | |
| CN114346775B (en) | Method for machining pump shaft of high-pressure pump | |
| CN107695510B (en) | A kind of vehicle wallboard restorative procedure based on friction rabbling welding | |
| CN116690043A (en) | Metal pipeline repairing device for ocean engineering | |
| CN101181858A (en) | Restored reinforcing wheel and restoring technique therefor | |
| CN101045274A (en) | Equipment for automatically welding longitudinal arched seam of large elbow | |
| CN217638432U (en) | House crossbeam intensity detection device | |
| CN100506463C (en) | Equipment for automatically welding longitudinal concave seam of large elbow | |
| CN113732319B (en) | Continuous processing device and method for chamfer of groove of thick-wall metal straight welded pipe | |
| CN204770856U (en) | Arc door's stagnant water structure processingequipment and stagnant water structure in ship lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |