CN103358135B - Heavy caliber hot-bending bends retaining wall on slope dedicated - Google Patents
Heavy caliber hot-bending bends retaining wall on slope dedicated Download PDFInfo
- Publication number
- CN103358135B CN103358135B CN201210097595.8A CN201210097595A CN103358135B CN 103358135 B CN103358135 B CN 103358135B CN 201210097595 A CN201210097595 A CN 201210097595A CN 103358135 B CN103358135 B CN 103358135B
- Authority
- CN
- China
- Prior art keywords
- block
- shape
- leading screw
- retaining wall
- horizontal
- 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.)
- Active
Links
Landscapes
- Transmission Devices (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The present invention is a kind of heavy caliber hot-bending bends retaining wall on slope dedicated.The fixed base plate (9) being provided with two thrust ball bearings (8) and sliding block leading screw (7) is fixed on the port leading to platform base (6) intermediate channel, and the end of thread of sliding block leading screw (7) screws in the threaded block of horizontal V-shape slide block (15); Fixing " V " shape groove of rotary disk basement (14) becomes to be slidably connected with " V " shape projection of horizontal V-shape slide block (15); Movable V-block (11) and horizontal V-shape slide block (15) are vertically fixed on the middle part of fixing rotary disk basement (14); There is a circular shaft coordinated with the upper hole of fixing rotary disk basement (14) movable V-block (11) lower end; There are cross slide leading screw (20) in one end central authorities of horizontal V-shape slide block (15); The other end of platform base (6) has fixing V-block (21), and its direction is vertical with movable V-block (11).The present invention reduces the auxiliary clamping time, locate fast, reduce labor intensity.
Description
Technical field
The present invention is a kind of heavy caliber hot-bending bends retaining wall on slope dedicated.Relate to processing and the pipe-line system technical field of metal tube.
Background technology
In recent years, along with the fast development that domestic oil and gas pipes is built, China all will build the long-distance oil & gas pipeline of thousands of miles every year, owing to being subject to the restriction of the conditions such as pipe laying section topography and geomorphology, the use amount of hot-bending bends significantly increases, and elbow curvature angle has diversity.The hot-bending bends chamfering machine tool of domestic current use have employed the operation principle of boring machine, because the hot-bending bends angle of processing has uncertainty, at present not for the workbench that the heavy caliber hot-bending bends retaining wall on slope of differently curved angle uses, one end is adopted to utilize fixture to step up in work, the other end utilizes overhead traveling crane to sling, and this seriously occupies the equipment such as overhead traveling crane, causes processing lifting difficulty, working (machining) efficiency is low, the high series of problems of hold facility rate.Therefore, there is wide adaptability, be convenient to the special purpose device that the heavy caliber hot-bending bends retaining wall on slope dedicated of onsite application has become heavy caliber hot-bending bends retaining wall on slope.
" heavy caliber hot-bending bends retaining wall on slope dedicated " is the core component of heavy caliber hot-bending bends beveling machine, dedicated adopts former and later two positioners, prelocalization device is fixing V-block structure, utilize the straight section of bend pipe to carry out the location of bend pipe, make bend pipe have relative to cutting main frame the Working position determined; Post-positioning device adopts compound to move rotating mechanism, can realize the location of differently curved angle bend pipe easily and fix.
Summary of the invention
The object of the invention is to invent a kind ofly to match with heavy caliber hot-bending bends beveling machine, can fast and easy, safety realize angle of bend 0 ° of-90 ° of heavy caliber hot-bending bends positioning work, be convenient to pipe end slope-mouth processing, reducing the auxiliary clamping time of hot-bending bends in process, hot-bending bends can being realized when processing relative to the quick position cutting main frame, the heavy caliber hot-bending bends retaining wall on slope dedicated taken that alleviates labor strength, reduce equipment.
" heavy caliber hot-bending bends retaining wall on slope dedicated " of the present invention is core component and the critical component of heavy caliber hot-bending bends beveling machine.
Heavy caliber hot-bending bends beveling machine primary structure as shown in Figure 1, forms primarily of retaining wall on slope dedicated 1, hot-bending bends 2, bend pipe internal expansion type clamp system 3, main frame topping machanism 4, host mobile device 5.
As shown in Figure 3, it comprises platform base 6, sliding block leading screw 7, thrust ball bearing 8, fixed base plate 9, soket head cap screw 10, movable V-block 11, upper T-slot screw 12, nut 13, fixing rotary disk basement 14, horizontal V-shape slide block 15, lower T-slot screw 16, nut 17, thrust ball bearing 18, round nut 19, cross slide leading screw 20, fixing V-block 21, nut 22 to retaining wall on slope dedicated 1.
By soket head cap screw 10, fixed base plate 9 is fixed on the port leading to platform base 6 intermediate channel, fixed base plate 9 is provided with two thrust ball bearings 8, by two round nuts, thrust ball bearing 8 and sliding block leading screw 7 are fixed on fixed base plate 9, the end of thread of sliding block leading screw 7 screws in the threaded block of horizontal V-shape slide block 15, unclamp nut 17, rotate sliding block leading screw 7 and horizontal V-shape slide block 15 can be driven to move forward and backward; " V " shape projection that " V " shape groove of fixing rotary disk basement 14 bottom is connected with horizontal V-shape slide block 15 coordinates, and one-tenth is slidably connected; Movable V-block 11 and horizontal V-shape slide block 15 are vertically fixed on the middle part of fixing rotary disk basement 14 by upper T-slot screw 12, nut 13; There is a circular shaft movable V-block 11 lower end, and circular shaft coordinates with hole on fixing rotary disk basement 14, and as shown in Figure 7, when promotion activity V-block 11, movable V-block can rotate around fixing rotary disk basement 14 fixing rotary disk basement 14; One end central authorities of horizontal V-shape slide block 15 are provided with cross slide leading screw 20 by thrust ball bearing 18 and round nut 19, the end of thread of cross slide leading screw 20 connects with the nut bottom fixing rotary disk basement 14, when rotating sliding block leading screw 7 or cross slide leading screw 20, overall post-positioning device just can be driven to move; Fixed by fixing V-block 21 by multiple nut 22 at the other end of platform base 6, the direction of fixing V-block 21 is vertical with movable V-block 11; Unclamp nut 22, promote fixing V-block 21 and can realize vertically moving.By regulating the various different relative position of fixing V-block 21 and movable V-block 11, the installation location of Arbitrary Curved Duct in 0 ° of-90 ° of angle of bend just can be realized.
Described platform base 6 as shown in Figure 4, be the cuboid that one side has three grooves from middle part to one end, and these three slots is in the central authorities of cuboid, have four grooves vertical with these three grooves at the other end of cuboid;
As shown in Figure 5, it is that one end has screw thread, the other end to be four layers of stair-step and have the axle of a bulge loop at these the four layers stair-step that successively decreases inward of successively decreasing to described sliding block leading screw 7;
As shown in Figure 6, it is that center has through hole, corner respectively to have the rectangular slab of a little screw to described fixed base plate 9;
Described movable V-block 11 as shown in Figure 7, it cuts out in long limit central authorities of rectangular slab to remove a flat-top " V " shape block, a rectangular indentation is respectively had in the right-angle side bottom on both sides, indentation, there leads to right angle through hole, bottom two of " V " v notch v, respectively have a hole, there is screw (from extenal fixation one boss) in the bottom centre of " V " v notch v;
As shown in Figure 8, it is the porose disk in center to described fixing rotary disk basement 14, has raised line and on bar, there are down " V " shape groove in central authorities below disk, has the nut coordinated with cross slide leading screw 20 in one end of " V " shape groove; ,
As shown in Figure 9, it is the rectangular slab that there are two steps on both sides, there are " V " shape rank in central authorities to described horizontal V-shape slide block 15, and at the middle part on " V " shape rank to there being outer dovetail groove, this groove and by a hole be interlinked to the outside; A short tube is fixed with on the opposite on " V " shape rank;
As shown in Figure 9, it is identical with the shape of sliding block leading screw 7 for described cross slide leading screw 20;
Described fixing V-block 21 as shown in Figure 10, it has another broadside central authorities of the rectangular slab of vertical edge strip to cut out to remove a flat-top " V " shape block on a wide base, in the Ge Youyi hole, both sides of " V " v notch v, the both sides of vertical edge strip are had to have uniform three holes on wide base.
Heavy caliber hot-bending bends retaining wall on slope dedicated is the core component of heavy caliber hot-bending bends beveling machine, for the location of bend pipe, various bend pipe in 0 ° of-90 ° of angle of bend can be adapted to, reduce bend pipe taking to equipment in clamping process, effectively can lower service working time, improve the working (machining) efficiency of hot-bending bends.
Accompanying drawing explanation
Fig. 1 heavy caliber hot-bending bends beveling machine front view
Fig. 2 heavy caliber hot-bending bends beveling machine side view
Fig. 3 heavy caliber hot-bending bends retaining wall on slope dedicated structure chart
Fig. 4 platform base figure
Fig. 5 sliding block leading screw figure
Fig. 6 fixed base plate figure
The movable V-block figure of Fig. 7
Fig. 8 fixes rotary disk basement figure
Fig. 9 horizontal V-shape slide block figure
Figure 10 cross slide leading screw figure
Figure 11 fixes V-block figure
Wherein:
1-retaining wall on slope dedicated, 2-hot-bending bends
3-internal expansion type clamp system, 4-main frame cutting mechanism
5-host mobile device, 6-platform base
7-sliding block leading screw, 8-thrust ball bearing
9-fixed base plate, 10-soket head cap screw
11-movable V-block 12-upper T-slot screw
13-nut, 14-fixing rotary disk basement
15-horizontal V-shape slide block, 16-lower T-slot screw
17-nut, 18-thrust ball bearing
19-round nut, 20-cross slide leading screw
21-fixing V-block 22-nut
Detailed description of the invention
Embodiment. to process Φ 1016mm, angle of bend 90 ° of hot-bending bends are example, and hot-bending bends beveling machine and processing dedicated structure thereof are as shown in Fig. 1, Fig. 2.By soket head cap screw 10, fixed base plate 9 is fixed on the port leading to platform base 6 intermediate channel, fixed base plate 9 is provided with two thrust ball bearings 8, by two round nuts, thrust ball bearing 8 and sliding block leading screw 7 are fixed on fixed base plate 9, the end of thread of sliding block leading screw 7 screws in the threaded block of horizontal V-shape slide block 15, unclamp nut 17, rotate sliding block leading screw 7 and horizontal V-shape slide block 15 can be driven to move forward and backward; " V " shape projection that " V " shape groove of fixing rotary disk basement 14 bottom is connected with horizontal V-shape slide block 15 coordinates, and one-tenth is slidably connected; Movable V-block 11 and horizontal V-shape slide block 15 are vertically fixed on the middle part of fixing rotary disk basement 14 by upper T-slot screw 12, nut 13; There is a circular shaft movable V-block 11 lower end, and circular shaft coordinates with hole on fixing rotary disk basement 14, and as shown in Figure 7, when promotion activity V-block 11, movable V-block can rotate around fixing rotary disk basement 14 fixing rotary disk basement 14; One end central authorities of horizontal V-shape slide block 15 are provided with cross slide leading screw 20 by thrust ball bearing 18 and round nut 19, the end of thread of cross slide leading screw 20 connects with the nut bottom fixing rotary disk basement 14, when rotating sliding block leading screw 7 or cross slide leading screw 20, overall post-positioning device just can be driven to move; Fixed by fixing V-block 21 by multiple nut 22 at the other end of platform base 6, the direction of fixing V-block 21 is vertical with movable V-block 11; Unclamp nut 22, promote fixing V-block 21 and can realize vertically moving.By regulating the various different relative position of fixing V-block 21 and movable V-block 11, the installation location of Arbitrary Curved Duct in 0 ° of-90 ° of angle of bend just can be realized.
As shown in Figure 4, mainly play the support to bend pipe and fixture and fixation, platform base 6 is the cast iron platform of 2500 × 2000 × 500mm to platform base 6, and centre is cavity structure, can weight reduction while meeting intensity.There are 4 Φ 32mm holes in the corner of platform respectively, are used for mounting foot bolt, have four microscler T-slot in the front end of platform base, to facilitate the adjustment of fixing V-block 21.
As shown in Figure 6, be a rectangle plate part, there is Φ 40mm circular hole centre to fixed base plate 9, and there are four counterbores on four limits, is connected by fixed base plate 9 by hexagonal screw thread in M10 × 35mm with platform base 6.
Sliding block leading screw 7 as shown in Figure 5, it is a spindle with trapezoidal screw thread, one end is processed with Tr40 × 3mm trapezoidal thread, one end is axle, axle passes from the Φ 40mm circular hole of fixed base plate 9, circular shaft is provided with thrust ball bearing 8, thrust ball bearing model is 51208, utilize two M39 × 1.5mm closely-pitched round nuts by thrust ball bearing 8, fixed base plate 9 is fixed on sliding block leading screw 7, the end of thread of sliding block leading screw 7 coordinates with horizontal V-shape slide block 15, horizontal V-shape slide block 15 is foundry goods, a screwed hole is had below horizontal V-shape slide block 15 ground, coordinate with sliding block leading screw 7 end of thread, in the middle of horizontal V-shape slide block 15, cross slide leading screw 20 is housed, a thrust ball bearing cross slide leading screw 20 is equipped with, bearing designation 51208, be that bearing is fixed on cross slide leading screw 20 by M39 × 1.5mm closely-pitched round nut 19 by pitch, horizontal V-shape slide block 15 there is outer dovetail groove, coordinated by scraping and fix dovetail groove in rotary disk basement 14 and coordinate, fixing rotary disk basement 14 is a disk-shaped part, interior dovetail groove and mother lead screw is had in bottom, Tr40 × 3mm end of thread of cross slide leading screw 20 coordinates with the mother lead screw bottom fixing rotary disk basement 14, by rotating cross slide leading screw 20, drive fixing rotary disk basement 14 can to move along the inside/outside dovetail groove coordinated, the hoop of fixing rotary disk basement 14 has a circular T-slot, at circular T-slot built with two M30 × 110mmT type grooved screws, the circular hole of a Φ 60mm is had in the middle of fixing rotary disk basement 14, the Φ 60mm axle of circular hole and movable V-block 11 lower end is matched in clearance, movable V-block 11 can rotate arbitrarily along the circumferencial direction of fixing rotary disk basement 14, when turn to need position time, movable V-block 11 can be fixed by locking nut 13, when needs vertical and horizontal position is moved, sliding block leading screw 7 and cross slide leading screw 20 can be rotated.Fixing V-block 21 is foundry goods with V-type opening, has six Φ 32mm circular holes, coordinated by T-slot screw with platform base 6 in bottom, and fixing V-block 21 can be fixed on the position of applicable bend pipe processing needs by locking nut 22.
This example can when heavy caliber hot-bending bends retaining wall on slope, regulate according to different elbow curvature angles, be convenient to bend pipe relative to the location of cutting main frame, avoid taking for a long time of travelling overhead crane apparatus, significantly can reduce labor intensity of operating staff, shorten and process non-cutting time.
Claims (8)
1. a heavy caliber hot-bending bends retaining wall on slope dedicated, is characterized in that it is primarily of retaining wall on slope dedicated (1), hot-bending bends (2), bend pipe internal expansion type clamp system (3), main frame topping machanism (4), host mobile device (5) composition;
Retaining wall on slope dedicated (1) comprises platform base (6), sliding block leading screw (7), thrust ball bearing (8), fixed base plate (9), soket head cap screw (10), movable V-block (11), upper T-slot screw (12), first nut (13), fixing rotary disk basement (14), horizontal V-shape slide block (15), lower T-slot screw (16), second nut (17), thrust ball bearing (18), round nut (19), cross slide leading screw (20), fixing V-block (21), 3rd nut (22),
Platform base (6) is cuboid, has from end to three of middle part grooves in one end of one side, and three grooves are positioned at the central authorities of cuboid, have and three orthogonal four grooves of groove at the other end in this face of cuboid;
By soket head cap screw (10), fixed base plate (9) is fixed on the port leading to the intermediate channel of three grooves in platform base (6) side, fixed base plate (9) is provided with two thrust ball bearings (8), by two round nuts, thrust ball bearing (8) and sliding block leading screw (7) are fixed on fixed base plate (9), the end of thread of sliding block leading screw (7) screws in the threaded block of horizontal V-shape slide block (15), unclamp the second nut (17), rotating sliding block leading screw (7) drives horizontal V-shape slide block (15) to move forward and backward, " V " shape projection that " V " shape groove of fixing rotary disk basement (14) bottom is connected with horizontal V-shape slide block (15) coordinates, and one-tenth is slidably connected, movable V-block (11) and horizontal V-shape slide block (15) are vertically fixed on the middle part of fixing rotary disk basement (14) by upper T-slot screw (12), the first nut (13), there is a circular shaft movable V-block (11) lower end, and this circular shaft coordinates with the upper hole of fixing rotary disk basement (14), one end central authorities of horizontal V-shape slide block (15) are provided with cross slide leading screw (20) by thrust ball bearing (18) and round nut (19), and the end of thread of cross slide leading screw (20) connects with the nut of fixing rotary disk basement (14) bottom, V-block (21) will be fixed at the other end of platform base (6) by multiple 3rd nut (22) to fix, the direction of fixing V-block (21) is vertical with movable V-block (11), or fixing V-block (21) and movable V-block (11) are adjusted to various different relative position, the installation of Arbitrary Curved Duct in 0 ° of-90 ° of angle of bend is just had to locate.
2. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, is characterized in that described sliding block leading screw (7) is that one end has screw thread, the other end to be four layers of stair-step and have the axle of a bulge loop at these the four layers stair-step that successively decreases inward of successively decreasing.
3. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, is characterized in that described fixed base plate (9) is that center has through hole, corner respectively to have the rectangular slab of a little screw.
4. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, it is characterized in that described movable V-block (11) cuts out in long limit central authorities of rectangular slab to remove a flat-top " V " shape block, a rectangular indentation is respectively had in the right-angle side bottom on both sides, indentation, there leads to right angle through hole, in the two Ge Youyi holes, top of " V " v notch v, there is the screw from extenal fixation one boss in the bottom centre of " V " v notch v.
5. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, it is characterized in that described fixing rotary disk basement (14) is the porose disk in center, below disk, there is raised line and on raised line, there are down " V " shape groove in central authorities, in one end of " V " shape groove, have the nut coordinated with cross slide leading screw (20).
6. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, it is characterized in that described horizontal V-shape slide block (15) is the rectangular slab that there are two steps on both sides, there are " V " shape rank in central authorities, and at the middle part on " V " shape rank to while there is outer dovetail groove, this groove and by a hole be interlinked to the outside; A short tube is fixed with on the opposite on " V " shape rank.
7. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, is characterized in that described cross slide leading screw (20) is identical with the shape of sliding block leading screw (7).
8. heavy caliber hot-bending bends retaining wall on slope dedicated according to claim 1, it is characterized in that described fixing V-block (21) has another broadside central authorities of the rectangular slab of vertical edge strip to cut out to remove a flat-top " V " shape block on a wide base, in the Ge Youyi hole, both sides of " V " v notch v, the both sides of vertical edge strip are had respectively to have uniform three holes on wide base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097595.8A CN103358135B (en) | 2012-04-05 | 2012-04-05 | Heavy caliber hot-bending bends retaining wall on slope dedicated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097595.8A CN103358135B (en) | 2012-04-05 | 2012-04-05 | Heavy caliber hot-bending bends retaining wall on slope dedicated |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103358135A CN103358135A (en) | 2013-10-23 |
| CN103358135B true CN103358135B (en) | 2016-02-10 |
Family
ID=49360853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210097595.8A Active CN103358135B (en) | 2012-04-05 | 2012-04-05 | Heavy caliber hot-bending bends retaining wall on slope dedicated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103358135B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624599A (en) * | 2013-12-13 | 2014-03-12 | 昆山诺瑞信机械设备有限公司 | Clamp structure capable of regulating workpiece position |
| CN103950769A (en) * | 2014-05-04 | 2014-07-30 | 陈婷 | Universal guide device for rubber strip extruder |
| CN104289940B (en) * | 2014-10-21 | 2016-07-13 | 江苏万盛铸造有限公司 | A kind of processing bend pipe end face special fixture |
| CN105098560A (en) * | 2015-09-15 | 2015-11-25 | 中国航天科工集团第三研究院第八三五七研究所 | Tooling capable of improving dual coaxial crimping reliability |
| CN106216549B (en) * | 2016-09-07 | 2018-10-26 | 奇瑞汽车股份有限公司 | A kind of feeding trolley and its material buttress localization method |
| CN106624809B (en) * | 2017-02-14 | 2019-06-04 | 合肥实华管件有限责任公司 | One kind pulling out a mouthful branch opening of collecting pipe groove equipment |
| CN107639437A (en) * | 2017-10-20 | 2018-01-30 | 河南太行精铸制造有限公司 | A kind of irregular workpiece processing frock |
| CN110270844A (en) * | 2019-07-09 | 2019-09-24 | 苏州优力克流体控制科技有限公司 | A kind of novel tubing head and casing head processing unit (plant) |
| CN111002071B (en) * | 2019-12-27 | 2021-03-30 | 昆山德尚金属制品有限公司 | Elbow surface inclined hole machining and positioning device |
| CN112222898B (en) * | 2020-09-07 | 2022-07-19 | 舒城久联精密机械有限公司 | Clamp for machining key groove of motor shaft |
| CN114769994B (en) * | 2022-04-11 | 2024-07-19 | 靖江市荣成防腐设备制造有限公司 | Clamp for welding flange at end part of pipeline |
| CN118023923B (en) * | 2024-03-30 | 2024-08-02 | 重庆科技大学 | Robot welding assembly mechanism and application thereof in annular welding seam detection and postweld heat treatment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987002921A1 (en) * | 1985-11-07 | 1987-05-21 | Vickers Australia Limited | Treatment of internal faces of pipe bends |
| CN101690979A (en) * | 2009-11-03 | 2010-04-07 | 烟台台海玛努尔核电设备有限公司 | Finish machining equipment for inner bore of bent pipe of main pipe line of primary loop in AP1000 nuclear power technology |
| CN102284569A (en) * | 2011-06-15 | 2011-12-21 | 中国石油天然气股份有限公司 | Hot bending process method |
| CN102363223A (en) * | 2011-10-31 | 2012-02-29 | 郑州万达管件制造有限公司 | Beveling machine for minor-caliber elbow pipe |
| CN202742044U (en) * | 2012-04-05 | 2013-02-20 | 中国石油天然气集团公司 | Special worktable for edge preparation of large-diameter fire bending elbow pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009012062A (en) * | 2007-07-06 | 2009-01-22 | Dai Ichi High Frequency Co Ltd | Bending device of metallic tube and method of manufacturing metallic tube with bent part |
-
2012
- 2012-04-05 CN CN201210097595.8A patent/CN103358135B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987002921A1 (en) * | 1985-11-07 | 1987-05-21 | Vickers Australia Limited | Treatment of internal faces of pipe bends |
| CN101690979A (en) * | 2009-11-03 | 2010-04-07 | 烟台台海玛努尔核电设备有限公司 | Finish machining equipment for inner bore of bent pipe of main pipe line of primary loop in AP1000 nuclear power technology |
| CN102284569A (en) * | 2011-06-15 | 2011-12-21 | 中国石油天然气股份有限公司 | Hot bending process method |
| CN102363223A (en) * | 2011-10-31 | 2012-02-29 | 郑州万达管件制造有限公司 | Beveling machine for minor-caliber elbow pipe |
| CN202742044U (en) * | 2012-04-05 | 2013-02-20 | 中国石油天然气集团公司 | Special worktable for edge preparation of large-diameter fire bending elbow pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103358135A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103358135B (en) | Heavy caliber hot-bending bends retaining wall on slope dedicated | |
| CN202742044U (en) | Special worktable for edge preparation of large-diameter fire bending elbow pipe | |
| CN202894648U (en) | Pipeline flange pairing device | |
| CN203599874U (en) | Clamping tool for milling key grooves of shaft parts | |
| CN209350131U (en) | A kind of adjustable V-type seat | |
| CN102259226B (en) | Semi-automatic short-range cutting machine and cutting method thereof | |
| CN105171458A (en) | Clamping device for fixing work piece with irregular shape | |
| CN203266207U (en) | Bend pipe flange turning clamping device | |
| CN204235299U (en) | A kind of Novel dual head Digit Control Machine Tool | |
| CN103567509A (en) | Pipe fitting side edge processing device | |
| CN102794646A (en) | Special machine tool for all-dimensional processing of bolt ball | |
| CN102049697B (en) | Fixture for processing small-bore bending machines | |
| CN102350610B (en) | Flexible welding assembly for hydraulic oil pipe connector | |
| CN104190951A (en) | Workpiece arc machining device for lathe | |
| CN207267235U (en) | A kind of guide rail parallel adjusts erecting device | |
| CN202985081U (en) | Special machine tool for all-dimensional machining of bolt ball | |
| CN201863035U (en) | Mechanical processing clamp for minor-caliber bend | |
| CN203418431U (en) | Measuring device of abrasive wheel cutting machine | |
| CN201275634Y (en) | Desk type automatic chamfering machine | |
| CN204075315U (en) | A kind of lathe feed change boring template | |
| CN210255118U (en) | Grid plate and grid seam cutting device | |
| CN104440357A (en) | Circular shaft feeding positioning device | |
| CN104475840B (en) | Circular shaft dual-face milling machines main frame | |
| CN202240648U (en) | Locating block for working platform of robot tapping machine | |
| CN201792129U (en) | Cutting head lifting mechanism of three-axis steel pipe intersection line cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170301 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |