CN102748534B - J-shaped tube paving angle adjusting device - Google Patents
J-shaped tube paving angle adjusting device Download PDFInfo
- Publication number
- CN102748534B CN102748534B CN201210232724.XA CN201210232724A CN102748534B CN 102748534 B CN102748534 B CN 102748534B CN 201210232724 A CN201210232724 A CN 201210232724A CN 102748534 B CN102748534 B CN 102748534B
- Authority
- CN
- China
- Prior art keywords
- gear
- tooth bar
- worm
- pipe laying
- pylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Gear Transmission (AREA)
Abstract
The invention relates to a J-shaped tube paving angle adjusting device. One end of the J-shaped tube paving angle adjusting device is arranged on a deck of a tube paving ship, and an extending end of the J-shaped tube paving angle adjusting device is connected with a tower of the tube paving ship. The angle adjusting device comprises two racks which are symmetrical and parallel to each other and are arranged on the two sides of the tower, one end of each rack is pivoted on the deck of the tube paving ship, the extending sections of the racks are respectively sheathed with a box body, pin shafts are convexly arranged on the two sides of the tower and are inserted in the box bodies in a rotating manner, driving mechanisms are arranged in the box bodies and comprise driving gears which are meshed with the racks in a rolling manner. The tooth profiles are arranged on the left side and the right side of each rack, and the driving gears and the driven gears are engaged on each side of the tooth profiles. A pinion and rack mechanism is arranged to replace a conventional hydraulic clamp hole type adjusting mechanism, so that the continuous adjustment of the angle of the tower can be realized, and the tower can be fixed any position by a transmission device and a motor, the angle of the tower can be adjusted simply with time conservation.
Description
Technical field
The invention belongs to field of ocean engineering, relate to a kind of seagoing pipeline and lay applied implement, refer in particular to a kind of in order to realize the J type pipe laying angle regulator of pylon angle adjustment in seagoing pipeline J type process of deployment.
Background technique
Along with the expanding day of marine mining scope, deep-sea oil exploitation has become the important front edge position of petroleum industry.Before deep-sea oil exploitation, need to lay seagoing pipeline, J type pipe laying method is the method that the most applicable current deep water and super deep water oil pipe are laid.Because pipeline enters in water with the angle of near vertical, and be laid on sea bed, make pipeline global shape present J type and gain the name.
J type pipe laying method is in fact the one of tension force laying-out tube process, main application pipe laying barge sets up pipe laying tower on pipe laying barge, for different water depth and caliber, in process of deployment, improve pipeline stress by the inclination angle that regulates J type pipe laying tower, reach the object of safety work.On pipe laying tower, mainly include pylon, angle regulator, pipeline transporter etc.Wherein, angle regulator is the key device of realizing pylon angle adjustment.
Existing J type pipe laying angle regulator as shown in Figure 1, is pivoted with respectively pylon 8 and angle regulator 9 on pipe laying barge deck, angle regulator 9 is a rhabodoid, has a loop bar 91, an adjustable lever 92 and a hole clipping mechanism 93.Wherein, loop bar 91 one end and deck are articulated, one end of adjustable lever 92 is sheathed on loop bar 91, adjustable lever 92 is inserted in by a bearing pin 922 on a key seat (not shown) of this pylon 8 rotationally away from the other end on deck, what loop bar 91 was connected mutually with adjustable lever 92 is provided with this hole clipping mechanism 93, and angle regulator 9 arranges mutually obliquely with pylon 8, form configuration as shown in Figure 1.Further, adjustable lever 92 is provided with multiple tactic hole clippings 921, loop bar 91 tops are provided with a hole clipping 911 and engage all the time with the lower end of this hole clipping mechanism 93, adjustable lever 92 is driven by the oil hydraulic cylinder (not shown) of hole clipping mechanism 93, slide axially along loop bar 91, thereby drive pylon 8 to carry out rotation along pivot 81 by bearing pin 922.When the angle of pylon 8 reaches after predetermined pipe laying angle, the upper end of hole clipping mechanism 93 is fastened in the hole clipping 921 of adjustable lever 92 by bayonet lock (not shown), so that loop bar 91 is fixed with the relative position of adjustable lever 92, fixes whole pylon 8 and angle regulator 9.Fixing after whole device, then carrying out pipe and pipelaying work on pylon.Cause is this kind of device structure relative complex, and weight is larger, in order to ensure symmetrical configuration, stressed even, prior art adopts a pair of angle regulator 9 symmetry and pylon 8 both sides that are placed in abreast conventionally, thereby both met the upper pipe operation technique of pylon, can prevent again the pylon bias that twists, as shown in Figure 2.
Although it is adjustable that the J type pipe laying angle regulator of this hydraulic pressure hole clipping formula has been realized tower post tilting angle, it still exists many defects as follows:
1. because the hole clipping 921 on adjustable lever 92 is to arrange one every a segment distance, so can only realize the adjustment of discrete tower post tilting angle sequence, and the corresponding hole clipping 921 of each angle is in order to location, between each adjacent hole clipping 921, can not engage by bayonet lock for the upper end of hole clipping mechanism 93, so this hole clipping formula angle regulator can not carry out continuous angle adjustment and location to pylon angle, so the application area of J type pipe laying angle regulator under complicated sea situation greatly limited.
2. because one of them hole clipping 921 on adjustable lever 92 must could supply bayonet lock to engage with the complete contraposition in the upper end of hole clipping mechanism 93, and angle regulator is relatively large machinery, so very difficult on engaging with the contraposition of hole clipping 921, often need to the relative position of adjustable lever 92 and loop bar 91 repeatedly be regulated and be finely tuned, could bayonet lock be passed contraposition hole clipping 921; And whole adjustment process need to experience bayonet lock and exit hole clipping, loop bar and adjustable lever relative movement, hole clipping contraposition and bayonet lock and insert the multiple steps of hole clipping and just can complete, and very delays labor intensive in man-hour.
3. the be placed in angle regulator of pylon both sides, relies on respectively oil hydraulic cylinder to drive separately, and in the time that needs are adjusted pylon angle, each oil hydraulic cylinder must synchronous working; But the synchronism of oil hydraulic cylinder is poor, be difficult to the angle Complete Synchronization that ensures that both sides angle regulator regulates, cause in adjustment process, pylon produces torsion because both sides telescopic adjustment is inconsistent, make pylon bear excessive torsion, reduce the working life of pylon, when serious, also easily damaged the mechanical structure of pylon.
4. because pipe laying barge pylon is main equipment, quality is larger, in pylon angle adjustment process, driving, transmission system can be subject to larger moment of flexure, but the area of contact at transmission position is very little again, make localized stress easily exceed design tolerance zone and cause the situations such as driving mechanism deformation failure.
So, inventor in view of the foregoing, according to its in related domain working experience for many years, the angle regulator of pylon is carried out to innovative design, and a kind of J type pipe laying angle regulator that can support that pylon angle of inclination regulates is continuously provided, expect to substitute traditional loop bar hole clipping formula structure by pinion and rack, while avoiding pylon angle adjustment, cannot continuous setup angle, hole clipping contraposition difficulty and angular adjustment process complexity, work consuming problem consuming time.
Summary of the invention
Object of the present invention, be to provide a kind of J type pipe laying angle regulator, this device substitutes traditional loop bar hole clipping formula structure by pinion and rack, thereby realizes the continuous adjusting of pylon angle, and adjustment process simple, save time, reliably, overcome defect pointed in background technique.
The object of the invention described above is to be realized by following technological scheme:
A kind of J type pipe laying angle regulator, its one end is hubbed on the deck of pipe laying barge, its extension is connected with the pylon of pipe laying barge, described angle regulator comprises: the tooth bar of two symmetries and the parallel pylon both sides that are placed in, one end of each tooth bar is articulated on the deck of pipe laying barge, and the extension of each tooth bar is arranged with respectively a casing, each box house is provided with driving mechanism, and driving mechanism comprises and this tooth bar actuation gear engaging that rolls mutually; And pylon both sides all convex with bearing pin, each bearing pin all plugs rotationally with described casing.
J type pipe laying angle regulator as above, the driving mechanism in each described casing also includes the motor and speed reducer structure that drives this actuation gear to rotate.
J type pipe laying angle regulator as above, each described tooth bar all has toothed region in its left and right sides, and described driving mechanism has respectively an actuation gear and is meshed with corresponding toothed region in corresponding tooth bar both sides, in same level position, and each actuation gear is all provided with separately the motor and the reducing gear that drive its rotation.
J type pipe laying angle regulator as above, each described casing is assembled by a left box body, a middle housing and a right case, wherein, middle housing offers upper and lower two openings and wears for tooth bar, and offers a pivoted hole for this protruding axle connection in its side direction; And in left box body and right case, be respectively arranged with this actuation gear being meshed with a wherein toothed region of tooth bar, and this motor being connected with actuation gear and this reducing gear.
J type pipe laying angle regulator as above, described reducing gear has the reduction box casing being fixed in this casing, and is arranged on the second-stage worm gear worm reducer in reduction box casing.
J type pipe laying angle regulator as above, described second-stage worm gear worm reducer has the first worm screw, the first worm gear, the second worm screw and the second worm gear; Wherein, described motor connects the first worm screw, first worm meshing the first worm gear, and the first worm gear and the interlock of the second worm screw one, second worm meshing the second worm gear, the second worm gear and this actuation gear coaxial linkage.
J type pipe laying angle regulator as above, is also provided with the driven gear being meshed with this tooth bar in each described casing, and described driven gear and aforesaid actuation gear are engaged on tooth bar at intervals.Have in the preferred embodiment of two toothed region at each tooth bar, in each described casing, be respectively equipped with a driven gear being meshed with corresponding toothed region in the tooth bar both sides that wear this casing, in same level position, and each driven gear and being arranged in the toothed region of tooth bar respective side with the actuation gear compartment of terrain of its homonymy.
J type pipe laying angle regulator as above, described in each, the motor of driving mechanism is subject to same electrical signal control and run-in synchronism.
By above technological scheme, the invention has the advantages that:
1. because pinion and rack can be realized continuous adjusting, so the pylon being driven by it also can be realized angle and regulate continuously, and motor can produce brake lock at any time, so pylon also can be realized the location in any angular position, so just make angle regulator of the present invention can be widely used in the J type pipelaying work under various complicated sea situations.
2. while needing pylon to regulate, only need to transmit control signal to each motor, remove electric motor locking, actuation gear moves on tooth bar, after pylon angular adjustment puts in place, and locking motor, just produce easily location, without the relative position of adjusting gear tooth bar repeatedly.Whole adjustment process is very simple, has saved man-hour and manpower.
3. the angle regulator of pylon both sides is placed in; rely on respectively motor to drive separately; in the time that needs are adjusted pylon angle; each motor receives unified control signal; run-in synchronism; and drive each actuation gear to be synchronized with the movement on tooth bar; can make like a cork the angle regulator synchronization job of pylon both sides; ensure the angle Complete Synchronization that pylon both sides regulate; can there is not pylon because both sides regulate problem inconsistent and generation warping force; improved the working life of pylon, the mechanical structure of protection pylon is not damaged.
For making goal of the invention of the present invention, technological means and technique effect have more complete and clearly disclose, be below elaborated, and see also accompanying drawing and element numbers.
Brief description of the drawings
Fig. 1 is the plan view of the hole clipping formula J type pipe laying angle regulator of prior art;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the plan view of J type pipe laying angle regulator of the present invention;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the decomposition view of the casing of angle regulator of the present invention;
Fig. 6 is the cut-away view of the driving mechanism of angle regulator of the present invention;
Fig. 7 is the cut-away view of the reducing gear of driving mechanism of the present invention.
Primary component label declaration:
100 angle regulator 2 tooth bars
21 toothed region 300 driving mechanisms
31 actuation gear 32 motors
33 reducing gear 330 second-stage worm gear worm reducers
331 reduction box casing 332 first worm screws
333 first worm gear 334 second worm screws
335 second worm gear 34 driven gears
4 casing 401 left box bodies
402 middle housing 403 right cases
41 opening 42 pivoted holes
5 bearing pin 8 pylons
Embodiment
Refer to shown in Fig. 3 and Fig. 4, the invention provides a kind of J type pipe laying angle regulator 100, be a rhabodoid, its one end is hubbed on the deck of pipe laying barge (deck is not shown in the drawings), its extension is connected with the pylon 8 of pipe laying barge, and the bottom of pylon 8 and the deck of pipe laying barge are articulated, described angle regulator 100 comprises: the tooth bar 2 of two symmetries and parallel pylon 8 both sides that are placed in, one end of each tooth bar 2 is articulated on the deck of pipe laying barge, and the extension of each tooth bar 2 is arranged with respectively a casing 4, and pylon 8 both sides all convex with bearing pin 5, each bearing pin 5 all plugs rotationally with described casing 4, consult Fig. 6, each casing 4 inside are provided with driving mechanism 300 again, and driving mechanism 300 comprises the actuation gear 31 that rolls and engage mutually with this tooth bar 2, the motor 32 and the reducing gear 33 that drive this actuation gear 31 to rotate.Motor 32 is connected with actuation gear 31 by reducing gear 33, drives actuation gear 31 to move on tooth bar 2, thereby drives casing 4 translational motion on tooth bar 2, and drives pylon 8 pivot points rotation with deck around pylon 8 by bearing pin 5.
Preferably, as shown in Figure 6, each tooth bar 2 all has toothed region 21 in its left and right sides, and driving mechanism 300 has respectively an actuation gear 31 and is meshed with corresponding toothed region 21 in corresponding tooth bar 2 both sides, in same level position, and each actuation gear 31 is all provided with separately the motor 32 and the reducing gear 33 that drive its rotation.Whereby, in the time that actuation gear 31 rolls in the corresponding toothed region 21 of tooth bar 2, corresponding because of its two side position, stress equalization, so can not make tooth bar 2 produce bending and torsional deformation.Because in real work, the bottom of tooth bar 2 does not participate in engagement, so this toothed region 21 can only be arranged at upper half part of tooth bar 2, the processing cost of saving tooth bar 2 with this again.
Preferably, as shown in Figure 5, each casing 4 is assembled by a left box body 401, a middle housing 402 and a right case 403, wherein, middle housing 402 offers upper and lower two openings 41 and wears for tooth bars, and offers a pivoted hole 42 in its side direction and connect for these bearing pins 5; And in left box body 401 and right case 403, be respectively arranged with this actuation gear 31 being meshed with a wherein toothed region 21 of tooth bar 2, and this motor 32 and this reducing gear 33 of being connected with actuation gear 31.Casing 4 is designed tripartite form by the present invention, be more convenient for its inner installation of each member and assembling of casing, but the present invention is as limit, and this casing 4 also can be designed to that two-part are assembled mutually or other form.
Shown in Fig. 7, reducing gear 33 has the reduction box casing 331 being fixed in casing 4, and is arranged on the second-stage worm gear worm reducer 330 in reduction box casing 331.Preferably, second-stage worm gear worm reducer 330 has the first worm screw 332, the first worm gear 333, the second worm screw 334 and the second worm gear 335; Wherein, motor 32 connects the first worm screw 332, the first worm screws 332 and engages the first worm gear 333, and the first worm gear 333 and the second worm screw 334 one interlocks, the second worm screw 334 engages the second worm gear 335, the second worm gears 335 and actuation gear 31 coaxial linkages.This kind of second-stage worm gear worm reducer 330 can realize the larger rotating speed of motor and actuation gear 31 is more slow-revving compared with the deceleration of big speed ratio; second-stage worm retarder can also be realized self-locking simultaneously; but be only a kind of mode of execution; this reducing gear 33 is replaced with to any reducing gear that can realize decelerating through motor, all should be included in protection scope of the present invention.
As shown in Figure 6, for further balance tooth bar is stressed, make the running of tooth bar and pylon more stable, in each described casing 4, be also pivoted with the driven gear 34 being meshed with tooth bar 2, between driven gear 34 and actuation gear 31, do not produce meshing relation, but be engaged at intervals on tooth bar 2.Have in the preferred embodiment of two toothed region 21 at each tooth bar 2, in each casing 4, in tooth bar 2 both sides that wear casing 4, be respectively equipped with a driven gear 34 being meshed with corresponding toothed region 21 in same level position, and each driven gear 34 and being arranged in the toothed region 21 of tooth bar 2 respective side with actuation gear 31 compartment of terrains of its homonymy.
Comprehensively above-mentioned, in preferred embodiment of the present invention, angle regulator 100 has two tooth bars 2, two casings 4, two cover driving mechanisms 300, four actuation gears 31, four motors 32, four driven gears 34 altogether, each motor 32 is subject to same electrical signal control and run-in synchronism, to realize the pinion and rack synchronous operation of pylon 8 both sides.
The present invention who is formed by above structure, its working principle is as follows:
On pipe laying barge deck, be pivoted respectively pylon and angle regulator, plug the bearing pin of angle regulator in the key seat of pylon, makes angle regulator and pylon form the form of mutual inclination, forms configuration as shown in Figure 3.In the process at adjustment pipe laying pylon inclination angle, motor receives control signal entry into service, driving force passes to reducing gear, reducing gear is exported slower rotating speed to actuation gear, and then drive actuation gear to roll along the tooth bar being meshed with it, again because actuation gear is arranged in casing, so casing is also driven on tooth bar and moves; Again because casing is connected with pylon by a bearing pin, and the bottom of tooth bar and pylon is all articulated on deck, so tooth bar, pylon and deck have just formed the three sides of a triangle of a variable-angle, and in this triangle, it is constant that the edge lengths at deck and pylon place keeps, so in the time that the length of side at tooth bar place changes, will drive pylon and tooth bar around rotating with the pivot points on deck separately, thereby realize the adjusting of pylon angle, to change the bending curvature of tubing, thereby improve pipe laying Security.By controlling the turning to of motor, can realize the bidirectional modulation of pylon angle, after angle adjustment puts in place, electric motor locking, provides the location of pylon angle, and second-stage worm gear worm reducer can also be realized self-locking simultaneously, and it is spacing that helper motor carries out the angle of pylon.Whole adjustment process is simple, save time, reliably, and realized the continuous adjusting of pylon angle.
Above for being only the schematic part embodiment of the present invention; not in order to limit the scope of the invention; any those skilled in the art, is not departing from equivalent variations and the amendment under the prerequisite of design of the present invention and principle, done, within all should being included in this patent protection domain.
Claims (5)
1. a J type pipe laying angle regulator, its one end is hubbed on the deck of pipe laying barge, and its extension is connected with the pylon of pipe laying barge, it is characterized in that, and described angle regulator comprises:
The tooth bar of two symmetries and the parallel pylon both sides that are placed in, one end of each tooth bar is articulated on the deck of pipe laying barge, and the extension of each tooth bar is arranged with respectively a casing, each box house is provided with driving mechanism, and driving mechanism comprises the motor and the reducing gear that roll mutually the actuation gear that engages, drive this actuation gear to rotate with this tooth bar; And pylon both sides all convex with bearing pin, each bearing pin all plugs rotationally with described casing;
Wherein, each described tooth bar all has toothed region in its left and right sides, and described driving mechanism has respectively an actuation gear and is meshed with corresponding toothed region in corresponding tooth bar both sides, in same level position, and each actuation gear is all provided with separately the motor and the reducing gear that drive its rotation;
In each described casing, be respectively equipped with a driven gear being meshed with corresponding toothed region in the tooth bar both sides that wear this casing, in same level position, and each driven gear and being arranged in the toothed region of tooth bar respective side with the actuation gear compartment of terrain of its homonymy.
2. J type pipe laying angle regulator according to claim 1, it is characterized in that, each described casing is assembled by a left box body, a middle housing and a right case, wherein, middle housing offers upper and lower two openings and wears for tooth bar, and offers a pivoted hole for this bearing pin connection in its side direction; And in left box body and right case, be respectively arranged with this actuation gear being meshed with a wherein toothed region of tooth bar, and this motor being connected with actuation gear and this reducing gear.
3. J type pipe laying angle regulator according to claim 1, is characterized in that, described reducing gear has the reduction box casing being fixed in this casing, and is arranged on the second-stage worm gear worm reducer in reduction box casing.
4. J type pipe laying angle regulator according to claim 3, is characterized in that, described second-stage worm gear worm reducer has the first worm screw, the first worm gear, the second worm screw and the second worm gear; Wherein, described motor connects the first worm screw, first worm meshing the first worm gear, and the first worm gear and the interlock of the second worm screw one, second worm meshing the second worm gear, the second worm gear and this actuation gear coaxial linkage.
5. J type pipe laying angle regulator according to claim 1, is characterized in that, described in each, the motor of driving mechanism is subject to same electrical signal control and run-in synchronism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232724.XA CN102748534B (en) | 2012-07-05 | 2012-07-05 | J-shaped tube paving angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232724.XA CN102748534B (en) | 2012-07-05 | 2012-07-05 | J-shaped tube paving angle adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102748534A CN102748534A (en) | 2012-10-24 |
| CN102748534B true CN102748534B (en) | 2014-06-25 |
Family
ID=47028937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210232724.XA Expired - Fee Related CN102748534B (en) | 2012-07-05 | 2012-07-05 | J-shaped tube paving angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102748534B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2508867A (en) * | 2012-12-13 | 2014-06-18 | Petrofac Ltd | Pipe-laying vessel with S-laying and J-laying capability |
| CN108253194B (en) * | 2018-01-05 | 2019-12-03 | 南京苏锦电力设备有限公司 | A kind of Pipe installing equipment with ground mending function |
| CN108321538B (en) * | 2018-03-14 | 2020-12-01 | 武汉虹信科技发展有限责任公司 | Antenna azimuth angle conversion adjusting device |
| CN109470296B (en) * | 2018-07-02 | 2020-12-11 | 金华八达集团有限公司科技信息分公司 | Detection system and detection method for distribution network switch cabinet |
| CN112617812B (en) * | 2020-12-04 | 2022-10-28 | 重庆医药高等专科学校 | Application evaluation device of paclitaxel liposome |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495728Y (en) * | 2001-06-29 | 2002-06-19 | 李代繁 | Adjustable and multi-functional rain/sun awning |
| CN2679075Y (en) * | 2004-01-12 | 2005-02-16 | 周杰明 | Packing case |
| CN101571210A (en) * | 2009-06-11 | 2009-11-04 | 贝特海利科技（北京）有限公司 | New method for regulating angle of stinger and device thereof |
| CN101831767A (en) * | 2010-05-10 | 2010-09-15 | 朱强 | Drive mechanism and method thereof of needle rod of sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7438502B2 (en) * | 2004-02-26 | 2008-10-21 | Richard Coppola | Telescoping underwater guide |
-
2012
- 2012-07-05 CN CN201210232724.XA patent/CN102748534B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495728Y (en) * | 2001-06-29 | 2002-06-19 | 李代繁 | Adjustable and multi-functional rain/sun awning |
| CN2679075Y (en) * | 2004-01-12 | 2005-02-16 | 周杰明 | Packing case |
| CN101571210A (en) * | 2009-06-11 | 2009-11-04 | 贝特海利科技（北京）有限公司 | New method for regulating angle of stinger and device thereof |
| CN101831767A (en) * | 2010-05-10 | 2010-09-15 | 朱强 | Drive mechanism and method thereof of needle rod of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102748534A (en) | 2012-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102748534B (en) | J-shaped tube paving angle adjusting device | |
| KR101255674B1 (en) | In pipe driving robot | |
| AU2012394996B2 (en) | Well runner | |
| US8695472B2 (en) | Machine for cutting structural members, such as legs, beams, i-beams or the like for supporting structures made of steel, concrete, steel and concrete, stone-like materials or the like | |
| EP3539859B1 (en) | Connector | |
| NL2009315C2 (en) | Drive unit, drive system, gear train and offshore structure. | |
| CN103615288A (en) | Single-open type metro section protection sealing partition door device | |
| CN102905969A (en) | Azimuth propeller | |
| US8303214B2 (en) | Lay ramp for an underwater-pipeline laying vessel, lay ramp actuating method, and laying vessel comprising such a lay ramp | |
| DE102005016595B4 (en) | Connecting plate and connecting plate assemblies for underwater hydraulic couplings | |
| CN105562818A (en) | Automatic large pipeline cutting machine | |
| DE112013005362B4 (en) | The horizontal directional drilling | |
| CN202673205U (en) | Drill rod connecting and dismounting device | |
| CN109047854A (en) | A kind of submarine pipeline automatic drilling machine | |
| KR101616857B1 (en) | Turret bearing | |
| CN110735994B (en) | Magnetic flux leakage detection device in adjustable crawler-type pipeline | |
| CN104884845B (en) | Shift bar system | |
| CN203742494U (en) | Drill rod centring adjustor | |
| CN204163768U (en) | Single open-type protective airtight partition door for subway district device | |
| CN203923896U (en) | Cable inspecting robot | |
| CN106481884B (en) | A kind of Multifunctional marine pipe installation ship | |
| CN112296709A (en) | Clamp-proof fixer for vertical pipeline cutting | |
| CN213383069U (en) | Connecting device of HDPE double-wall corrugated pipe | |
| CN206374024U (en) | Pre-tensioning system produces the steel bar tensioning device of high speed railway fragments-free track slab | |
| CN104138907A (en) | Rolling mill working roll replacing traction device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20160705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |