CN106891128A - Petroleum pipeline and elbow welding positioning tool - Google Patents

Petroleum pipeline and elbow welding positioning tool Download PDF

Info

Publication number
CN106891128A
CN106891128A CN201710273620.6A CN201710273620A CN106891128A CN 106891128 A CN106891128 A CN 106891128A CN 201710273620 A CN201710273620 A CN 201710273620A CN 106891128 A CN106891128 A CN 106891128A
Authority
CN
China
Prior art keywords
petroleum pipeline
rod
groove
elbow
positioning tool
Prior art date
Application number
CN201710273620.6A
Other languages
Chinese (zh)
Inventor
李斌
Original Assignee
成都乔依赛斯石油科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 成都乔依赛斯石油科技有限公司 filed Critical 成都乔依赛斯石油科技有限公司
Priority to CN201710273620.6A priority Critical patent/CN106891128A/en
Publication of CN106891128A publication Critical patent/CN106891128A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/006Safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0533Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes

Abstract

The invention discloses petroleum pipeline and elbow welding positioning tool, including operating desk and support feet, groove is provided with the top of operating desk, guide pad, drive mechanism, support bar is provided with groove, support bar is provided with connecting rod, connecting rod is provided with cavity, support bar is located in the cavity of connecting rod, rotary shaft and adjusting rod are additionally provided with connecting rod, baffle plate is provided with the top of rotary shaft, optical filter is set on baffle plate, guide pad is provided with through hole, the side wall of guide pad is provided with the first motion bar, first motion bar is provided with grip block, the output shaft of drive mechanism is provided with base, base is provided with two fixed blocks, the side wall of fixed block is provided with the second motion bar, second motion bar is provided with grip block.The present invention, being capable of bimanualness when being welded to petroleum pipeline and elbow, it is to avoid one-handed performance influences welding efficiency, while ensure that petroleum pipeline aligns with the groove of elbow, and fastens, and improves the quality welded.

Description

Petroleum pipeline and elbow welding positioning tool
Technical field
The present invention relates to a kind of petroleum pipeline machine table, and in particular to petroleum pipeline and elbow welding positioning tool.
Background technology
Oil, also referred to as crude oil, are a kind of sticky, dark brown (sometimes a little green) liquid.Upper crustal is partly There is petroleum storage in area.The property of oil is different because of the place of production, and range of viscosities is very wide, and freezing point difference is very big (30-60 degrees Celsius), boiling Point range be normal temperature to more than 500 degrees Celsius, dissolve in various organic solvents, it is water insoluble, but can with water formed emulsion.No Crossing the composition and appearance of the oil in different oil fields can distinguish very big.Oil is mainly used as fuel oil and gasoline, fuel oil and One of current primary energy most important in the world of gasoline composition.Oil is also many chemical industries such as solvent, chemical fertilizer, kills The raw material of worm agent and plastics etc..During the long history that the earth constantly develops, there is " special " period, such as the Paleozoic Era and In Mesozoic Era, after substantial amounts of plant and animal death, the organic substance for constituting its body is constantly decomposed, and is precipitated with silt or carbonic acid matter The material mixings such as thing constitute sedimentary.Thickening is constantly piled up due to deposit, causes temperature and pressure to rise, with this mistake The continuous of journey is carried out, and sedimentary is changed into sedimentary rock, and then forms sedimentary basin, and this is just for the generation of oil provides basic ground Matter environment.The composition of crude oil mainly has:Oily (this is its main component), colloid (a kind of semi-solid material of viscosity), pitch Matter (crineous or black brittle solid material), carbonaceous (a kind of nonhydrocarbon).Oil is mixed by based on hydrocarbon , with special odor, coloured flammable oily liquid, natural gas is each based on gaseous hydrocarbon Gas composition is planted, with special odor, colourless inflammability mixed gas.
During transport, petroleum pipeline and elbow are all the important equipment of transporting petroleum to oil, to petroleum pipeline When elbow is welded with petroleum pipeline, there is the ultraviolet of injury to eyes containing a large amount of in the flash of light of electric welding, therefore operating When need to block injury of the ultraviolet to eyes with protective cover, at present, operating personnel when being welded to petroleum pipeline, Need a hand to hold protective cover, another hand carries out electric welding field, but singlehanded operation to operating personnel bring it is many not Just, the special construction and due to elbow in itself, when being welded with petroleum pipeline, it is difficult to by the groove of petroleum pipeline with it is curved The groove alignment of head, influences the quality of welding.
The content of the invention
The technical problems to be solved by the invention are that, when being welded to petroleum pipeline and elbow, one hand is not easy to behaviour Make, and when welding, be difficult to align petroleum pipeline groove with elbow bevels, influence welding quality, it is therefore intended that carry For petroleum pipeline and elbow welding positioning tool, it is easy to align petroleum pipeline groove with elbow bevels, improves welding quality, and And being capable of both hands operation in welding.
The present invention is achieved through the following technical solutions:
Petroleum pipeline and elbow welding positioning tool, including operating desk and the support feet of operating desk bottom is connected to, its It is characterised by:Be additionally provided with guide pad at the top of the operating desk, guide pad top is provided with through hole, through hole be directed to the top of block with Bottom is connected, and drive mechanism is additionally provided with the top of the operating desk, and drive mechanism includes output shaft, output shaft one end and driving machine Structure is connected, and the other end is provided with base, clamping device is provided with the top of base, and clamping device is set in parallel in base including two The fixed block at top, and two axis both sides of fixed block difference position base.
Further, the side wall of the fixed block is provided with the second motion bar, and the second motion bar passes through screw thread level connection joint On fixed block, and the end of the second motion bar on the inside of fixed block is provided with grip block.
Further, the side wall of the guide pad is provided with two the first motion bars, and two the first motion bars are located at and are oriented to The axis both sides of block, and two the first motion bars are connected by screw thread with guide pad, and two the first motion bars can be moved Move to the through hole of guide pad.
Further, first motion bar is located on the end in the through hole of guide pad and also is provided with grip block.
Further, groove is provided with the top of the operating desk, support bar is provided with groove, support bar can be in groove It is mobile, connecting rod is provided with the top of support bar, rotary shaft is provided with the top of connecting rod, rotary shaft can be rotated around connecting rod, Baffle plate is provided with the top of rotary shaft, optical filter is additionally provided with the baffle plate.
Further, the longitudinal section of the groove is swallowtail shape, and the bottom of support bar is provided with the projection with matching grooves, Projection is located in groove.
Further, the inside of the connecting rod is provided with cavity, and cavity is connected with the bottom of connecting rod, support bar position In in cavity.
Further, adjusting rod is additionally provided with the side wall of the connecting rod, adjusting rod is connected by screw thread with connecting rod, and And adjusting rod can be moved in cavity.
The present invention compared with prior art, has the following advantages and advantages:
1st, petroleum pipeline of the present invention and elbow welding positioning tool, operating desk are provided with the baffle plate for blocking ultraviolet, When being welded to petroleum pipeline and elbow, it is not necessary to hand-held, it is to avoid the awkward situation of one-handed performance;
2nd, petroleum pipeline of the present invention and elbow welding positioning tool, operating desk are provided with for the folder to petroleum pipeline elbow Hold part and the hold assembly to petroleum pipeline, make its welding when, at groove can accurate alignment, improve welding matter Amount;
3rd, petroleum pipeline of the present invention and elbow welding positioning tool, the position of the baffle plate of setting can freely be adjusted, and be met Use demand under different situations.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is front view of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is side view of the invention;
Fig. 4 is the attachment structure schematic diagram of connecting rod of the invention and motion bar.
Mark and corresponding parts title in accompanying drawing:
1- guide pads, 2- baffle plates, 3- optical filters, 4- connecting rods, 5- support feets, 6- operating desks, 7- support bars, 8- is fixed Block, 9- bases, 10- grooves, 11- adjusting rods, 12- rotary shafts, 13- output shafts, 14- projections, 15- grip blocks, 16- through holes, 17- First motion bar, the motion bars of 18- second, 19- cavitys.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make It is limitation of the invention.
Embodiment
As shown in Figures 1 to 4, petroleum pipeline of the present invention and elbow welding positioning tool, including operating desk 6 and support feet 2, Support feet 5 is arranged at the corner of the bottom of operating desk 6, and the operating desk 6 is rectangular shape, and the top of operating desk 6 is provided with groove 10, the longitudinal section of groove 10 is to be provided with support bar 7 in swallowtail shape, groove 10, and the bottom of support bar 7 is provided with and is matched with groove 10 Swallowtail shape projection 14, projection 14 be located at groove 10 in, projection 14 can draw support bar 7 along the direction of groove 10 move Dynamic, the top of the support bar 7 is provided with connecting rod 4, and the inside of connecting rod 4 is provided with the bottom of cavity 19, cavity 19 and connecting rod 4 Connection, support bar 7 is located in cavity 19, and support bar 7 can be moved in cavity 19, be set on the side wall of the connecting rod 4 There is adjusting rod 11, adjusting rod 11 is connected by screw thread with the side wall of connecting rod 4, and rotation adjusting lever 11, adjusting rod 11 can be moved To the cavity 19 of connecting rod 4, and support bar 7 is fixed tightly in the cavity 19 of connecting rod 4, therefore elastic adjusting rod 11 can come Height of the regulation connecting rod 4 on support bar 7, the top of the connecting rod 4 is provided with rotary shaft 12, and rotary shaft 12 can be around even Extension bar 4 is rotated, and the top of rotary shaft 12 is provided with baffle plate 2, and baffle plate 2 can shelter from the electric spark produced when being welded, protection electricity The face of welder people, rotary shaft 12 can draw baffle plate 2 and rotate together, realize the regulation to the angle of baffle plate 2, be set on baffle plate 2 Have an optical filter 3, optical filter 3 can fall the ultraviolet filtering that welding petroleum pipeline is produced, protect the eyes of welding worker from Injury, because baffle plate 2 is fixed in rotary shaft 12, therefore when in use, it is not necessary to hand-held baffle plate 2, welding worker energy again Enough both hands are subjected to, and improve the efficiency and quality to petroleum pipeline welding, and baffle plate 2 can be moved in the horizontal direction, Simultaneously can also controllable register 2 height and angle, meet the use demand of different pads;The top of the operating desk 6 sets There are guide pad 1 and drive mechanism, guide pad 1 is cylindrical shape, and the top of guide pad 1 is provided with through hole 16, and through hole 16 is directed to block 1 Top and bottom connection, the side wall of guide pad 1 is provided with two the first motion bars 17, and two the first motion bars 17 are located at respectively The axis both sides of guide pad 1, and two the first motion bars 17 are interspersed on guide pad 1 by screw thread level, positioned at guiding The end of the first motion bar 17 in the through hole 16 of block 1 is provided with grip block 15, and grip block 15 is used for the clamping to elbow, described Drive mechanism is preferably hydraulic cylinder, simple to operate, and convenient maintenance, drive mechanism is arranged on inside operating desk 6, and drive mechanism includes Output shaft 13, one end of output shaft 13 is connected with drive mechanism, and the other end is provided with base 9, when drive mechanism works, can draw Base 9 to be moved on perpendicular, the top of base 9 is provided with clamping device, clamping device includes that two parallel are located at the bottom of at Fixed block 8 on the top of seat 9, is equipped with the second motion bar 18 on two side walls of fixed block 8, the second motion bar 18 passes through screw thread Level is interspersed on fixed block 8, and also is provided with grip block 15 on the end of the second motion bar 18 positioned at the inner side of fixed block 8, For the clamping to petroleum pipeline, when being welded to petroleum pipeline and elbow, it is necessary to by the groove and petroleum pipeline of elbow Groove alignment, it is therefore desirable to elbow is maintained at the same horizontal plane with petroleum pipeline, guide pad 1 is met to radian Elbow is fixed, and its welding groove is kept in the horizontal direction, and clamping device can fasten petroleum pipeline, make Its welding groove is kept in the horizontal direction, while can be adjusted the height of petroleum pipeline using drive mechanism so that petroleum pipeline Groove be maintained at the same horizontal plane with the groove of elbow, be convenient for welding operation, improve welding efficiency and quality.
The present invention will need elbow one end of welding to be inserted into the through hole 16 of guide pad 1, it is necessary to weld when in use, first The one end for connecing and plane-parallel, adjust the first motion bar 17, force grip block 15 that elbow is clamped in guide pad 1, then Petroleum pipeline together with elbow welding will be needed to lie in a horizontal plane between two fixed blocks 8, adjust drive mechanism so that drive The output shaft 13 of motivation structure rises to petroleum pipeline needs the groove of welding ends to flush with elbow, the position of mobile petroleum pipeline, So that the groove of petroleum pipeline is drawn close with the groove of elbow, the second motion bar 18 is adjusted, force grip block 15 to consolidate petroleum pipeline It is scheduled between two fixed blocks 8, support bar 7 is then moved horizontally further according to pad, unclamp adjusting rod 11, carrys out regulating fender 2 height, then adjusting rod 11 is tightened, connecting rod 4 is fixed on support bar 7, the welding to petroleum pipeline just can be carried out, During welding, additionally it is possible to flap shutter 2, the welding use demand of different angles is met, welding worker both hands can enter Row welding operation, improves welding efficiency and welding quality, while during welding, fast and easy aligns simultaneously elbow with petroleum pipeline It is fixed.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include Within protection scope of the present invention.

Claims (8)

1. petroleum pipeline and elbow welding positioning tool, including operating desk (6) and it is connected to the support feet of operating desk (6) bottom (5), it is characterised in that:The top of the operating desk (6) also sets guide pad (1), and guide pad (1) is provided with through hole (16), through hole (16) the top and bottom connection of block (1) is directed to, drive mechanism, drive mechanism bag is additionally provided with the top of the operating desk (6) Output shaft (13) is included, output shaft (13) one end is connected with drive mechanism, and the other end is provided with base (9), and base sets at the top of (9) There is clamping device, clamping device includes two fixed blocks (8) being set in parallel at the top of base (9), and two fixed blocks (8) The axis both sides of difference position base (9).
2. petroleum pipeline according to claim 1 and elbow welding positioning tool, it is characterised in that:The fixed block (8) Side wall be provided with the second motion bar (18), the second motion bar (18) is connected horizontally on fixed block (8) by screw thread, and position The end of the second motion bar (18) on the inside of fixed block (8) is provided with grip block (15).
3. petroleum pipeline according to claim 2 and elbow welding positioning tool, it is characterised in that:The guide pad (1) Side wall be provided with two the first motion bars (17), two the first motion bars (17) positioned at the axis both sides of guide pad (1), and Two the first motion bars (17) are connected by screw thread with guide pad (1), and two the first motion bars (17) can be moved to and lead To in the through hole (16) of block (1).
4. petroleum pipeline according to claim 3 and elbow welding positioning tool, it is characterised in that:First motion bar (17) it also is provided with grip block (15) on the end in the through hole (16) of guide pad (1).
5. petroleum pipeline according to claim 1 and elbow welding positioning tool, it is characterised in that:The operating desk (6) Top be provided with groove (10), is provided with support bar (7) in groove (10), support bar (7) can be moved in groove (10), support Connecting rod (4) is provided with the top of bar (7), rotary shaft (12) is provided with the top of connecting rod (4), rotary shaft (12) can be around connection Bar (4) is rotated, and baffle plate (2) is provided with the top of rotary shaft (12), and optical filter (3) is additionally provided with baffle plate (2).
6. petroleum pipeline according to claim 5 and elbow welding positioning tool, it is characterised in that:The groove (10) Longitudinal section is swallowtail shape, and the bottom of support bar (7) is provided with the projection (14) matched with groove (10), and projection (14) is positioned at groove (10) in.
7. petroleum pipeline according to claim 5 and elbow welding positioning tool, it is characterised in that:The connecting rod (4) Inside be provided with cavity (19), and cavity (19) is connected with the bottom of connecting rod (4), and support bar (7) is in cavity (19).
8. petroleum pipeline according to claim 7 and elbow welding positioning tool, it is characterised in that:The connecting rod (4) Side wall on be additionally provided with adjusting rod (11), adjusting rod (11) is connected by screw thread with connecting rod (4), and adjusting rod (11) can It is moved in cavity (19).
CN201710273620.6A 2017-04-25 2017-04-25 Petroleum pipeline and elbow welding positioning tool CN106891128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710273620.6A CN106891128A (en) 2017-04-25 2017-04-25 Petroleum pipeline and elbow welding positioning tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710273620.6A CN106891128A (en) 2017-04-25 2017-04-25 Petroleum pipeline and elbow welding positioning tool

Publications (1)

Publication Number Publication Date
CN106891128A true CN106891128A (en) 2017-06-27

Family

ID=59197022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710273620.6A CN106891128A (en) 2017-04-25 2017-04-25 Petroleum pipeline and elbow welding positioning tool

Country Status (1)

Country Link
CN (1) CN106891128A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655926A (en) * 2018-05-17 2018-10-16 胡立波 A kind of petroleum pipeline for different geological conditions installs equipment

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203292777U (en) * 2013-06-26 2013-11-20 淮安市淮安区南闸农机修配厂 Device enabling silencer welding to be convenient
JP2014091160A (en) * 2012-11-07 2014-05-19 Iwanaka Kiko Kk Fixture for tentative flange welding
CN203679781U (en) * 2013-11-29 2014-07-02 江阴市恒润重工股份有限公司 Turning positioning device for bent pipe flange
CN204075614U (en) * 2014-07-23 2015-01-07 浙江楠丰管道工业有限公司 The welding locating rack of hot-water heating elbow pipe welding device
CN204171588U (en) * 2014-09-23 2015-02-25 黄河科技学院 A kind of elbow pipe welding fixture
CN104668854A (en) * 2013-12-03 2015-06-03 青岛博利尔机械设备有限公司 Elbow and flange welding tool
CN204711900U (en) * 2015-02-03 2015-10-21 朱玉兵 Air filter assembly equipment clamping device
CN205254322U (en) * 2015-12-30 2016-05-25 江苏银河电子股份有限公司 Automatic workpiece setting seat for arc welding
CN205271305U (en) * 2015-12-07 2016-06-01 天津中际装备制造有限公司 Group of ocean module drilling machine high pressure line is to using special fixture
CN205703028U (en) * 2016-05-09 2016-11-23 泰州市华丰科技设备有限公司 The flange bending weld jig of adjustable positioning
CN106346283A (en) * 2016-10-17 2017-01-25 周末 Pipe fitting clamping device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014091160A (en) * 2012-11-07 2014-05-19 Iwanaka Kiko Kk Fixture for tentative flange welding
CN203292777U (en) * 2013-06-26 2013-11-20 淮安市淮安区南闸农机修配厂 Device enabling silencer welding to be convenient
CN203679781U (en) * 2013-11-29 2014-07-02 江阴市恒润重工股份有限公司 Turning positioning device for bent pipe flange
CN104668854A (en) * 2013-12-03 2015-06-03 青岛博利尔机械设备有限公司 Elbow and flange welding tool
CN204075614U (en) * 2014-07-23 2015-01-07 浙江楠丰管道工业有限公司 The welding locating rack of hot-water heating elbow pipe welding device
CN204171588U (en) * 2014-09-23 2015-02-25 黄河科技学院 A kind of elbow pipe welding fixture
CN204711900U (en) * 2015-02-03 2015-10-21 朱玉兵 Air filter assembly equipment clamping device
CN205271305U (en) * 2015-12-07 2016-06-01 天津中际装备制造有限公司 Group of ocean module drilling machine high pressure line is to using special fixture
CN205254322U (en) * 2015-12-30 2016-05-25 江苏银河电子股份有限公司 Automatic workpiece setting seat for arc welding
CN205703028U (en) * 2016-05-09 2016-11-23 泰州市华丰科技设备有限公司 The flange bending weld jig of adjustable positioning
CN106346283A (en) * 2016-10-17 2017-01-25 周末 Pipe fitting clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655926A (en) * 2018-05-17 2018-10-16 胡立波 A kind of petroleum pipeline for different geological conditions installs equipment

Similar Documents

Publication Publication Date Title
DE60316279T2 (en) METHOD AND WATER VEHICLE FOR MANIPULATING AN OFFSHORE PLANT
DE10232623B4 (en) Ground water sampling
CN102305761A (en) Acid medium transmission pipeline welded joint and parent metal corrosion simulation testing device and method
CN206159658U (en) Outside protection device of petroleum pipeline
RU2012116076A (en) Turbulence reduction device
DE202011109614U1 (en) Sun tracking device for solar peleons
CN104849428B (en) The migration of a kind of simulate formation coal mining overlying strata and gushing water are burst sand experimental provision
CN205500685U (en) Special fixed equipment of oil development greasy dirt
CN203869959U (en) Analysis meter for rock mechanics characteristics of unconventional oil and gas reservoir
CN204613202U (en) The migration of a kind of simulate formation coal mining overlying strata and gushing water are burst sand experimental provision
EP2532790B1 (en) Method for producing an underwater foundation element, adjustment head for an underwater foundation element and underwater working assembly
CN104712295B (en) One kind visualization horizontal well oil reservoir back-up sand physical model and system
CN103861679B (en) A kind of testing stand with defencive function
CN202148526U (en) Multi-functional piling system,
CN102974967A (en) Welding test piece fixture for nuclear welding training
DE102008014544A1 (en) Device for repairing a damaged area in a submerged wall area of a container or basin
DE102008003538A1 (en) Mechanical tidal range power plant
Liu et al. Toward a framework of environmental risk management for CO 2 geological storage in China: gaps and suggestions for future regulations
DE202007004912U1 (en) Apparatus for treating ballast water with aqueous acrolein solution
CN206754599U (en) Suitable for the pipeline chucking device in petroleum transportation field
CN207043010U (en) A kind of dystopy contaminated soil remediation controlling device
WO2012116919A1 (en) Power supply device
CN103063811A (en) Indoor simulation device for migration and conversion of pollutant in artificial shore zone
CN104787804A (en) Preparation and use method of FeS for repairing hexavalent chromium pollution underground water
WO2011096786A2 (en) Oil-drilling simulation device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170627