CN202471433U - Loading device used for entirely applying simulated load to ocean workover rig - Google Patents
Loading device used for entirely applying simulated load to ocean workover rig Download PDFInfo
- Publication number
- CN202471433U CN202471433U CN2012200016896U CN201220001689U CN202471433U CN 202471433 U CN202471433 U CN 202471433U CN 2012200016896 U CN2012200016896 U CN 2012200016896U CN 201220001689 U CN201220001689 U CN 201220001689U CN 202471433 U CN202471433 U CN 202471433U
- Authority
- CN
- China
- Prior art keywords
- workover rig
- load
- charger
- rear cross
- inboard
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a loading device used for entirely applying a simulated load to an ocean workover rig. The loading device includes a front beam and a rear beam which are arranged in symmetry on the two sides of an X axis, and the ends of the front beam and the rear beam are fixedly connected with supporting legs on a lower pedestal of a workover rig. A left vertical beam and a right vertical beam which are arranged in symmetry on the two sides of a Y axis are arranged between the front beam and the rear beam. The ends of the front beam and the rear beam are provided with loading plates. The loading plates are provided with connecting through holes. The front beam, the rear beam, the left vertical beam, and the right vertical beam are provided with leveling supporting hydraulic cylinders. In an on-site offshore platform environment, when the ocean workover rig carries out the safety evaluation test work, the loading device can entirely apply the simulated load to the ocean workover rig so as to guarantee the comprehensiveness and the validity of the test work.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to the charger that a kind of ocean workover rig integral body that is used to be under the offshore platform environmental baseline applies simulation load.
Background technology
Approaching along with offshore drill workover rig design life, to having now of being equipped with on the marine oil production platform the offshore drill workover rig structural-load-carrying capacity of labour carry out comprehensively and effectively the safety detection testing evaluation be one must indispensable work.Through to carrying out the corresponding necessary detection and the enforcement of test event at labour drilling and repairing well equipment; Confirm the trouble free service performance of drilling and repairing well equipment; Reduce the unsafe condition of drilling and repairing well equipment; Thereby reduce the generation of security incident, can improve the economy of enterprise and personnel's life security effectively.Just Given this, the detection evaluation work of offshore oil production equipment obtains the consistent of each side and approves.
It is very big that but the structure detection of offshore drill workover rig and test job receive the limitation of marine environment, cut down the degree of functioning of safety assessment work to a great extent.Can not whole comprehensive test load be provided for drilling and repairing well equipment is on-the-spot at sea is exactly wherein important one.Because drilling and repairing well equipment is in the top of oil production platforms; It under it bank; Relative load-bearing capacity a little less than; When drilling and repairing well equipment is carried out the stress test work for inspection; Can not cause present stress test project can only accomplish the stress test Interventions Requested of derrick components of system as directed, and the agent structure of the upper bed-plate assembly of drilling and repairing well equipment and lower bottom base assembly part can't be accomplished necessary stress detection evaluation item for the drilling and repairing well equipment integral provides test required external analog load.
At present, carry out offshore platform drilling and repairing well device load-bearing capability and detect method and the device that loads when assessing test job, mainly contain following several kinds.
One) in order to accomplish the comprehensive testing evaluation work of offshore platform drilling and repairing well device load-bearing capability; Realize the whole loading of drilling and repairing machine requirement; Need drilling and repairing machine equipment all be moved to land company place; Possess the special-purpose ground anchorage that loads in the place, the stress test simulation load loads when being used for the bearing test of land and ocean drilling and repairing machine.Adopt this kind mode to carry out the load loading work of bearing test, all have great problem, all be difficult to bear for each enforcement aspect at aspects such as economy, security, efficiencies.
When two) carrying out the work of load-bearing capacity testing evaluation, take the mode of local loading, promptly only main critical component derrick is partly applied test load; Method is to utilize the simple frock beam to be connected with the rotating disk carrier bar, is designed with the loading bearing pin above the frock, after the suspension ring assembling of hook suspension; Can realize that platform field can effectively be implemented to the loading of derrick part at sea, but shortcoming is; Not comprehensive for the loading of drilling and repairing machine agent structure, content measurement is just not comprehensive yet.Along with the increase of service time of ocean platform drilling and repairing machine, it is necessary comprehensively, systematically carrying out the complete machine agent structure is carried out load-bearing capacity assessment test job.
Three) water bag loads, and this mode is common in offshore platform, carries out load test with loop wheel machine, is that the Platform lifting devices test loads a kind of test load loading method that often adopts.But when carrying out the test of offshore drill workover rig at sea, but not very suitable.It mainly is the restriction that receives drilling and repairing machine installation site and version thereof; The one, the platform bank does not allow to place the bigger weight of tonnage by designing requirement; The bank structural-load-carrying capacity is limited, and the 2nd, after the filled with water, bulky during the water bag test; Hinder mutually with drilling and workover machines lower bottom base structure etc., so the water bag test is carried in to use in the bearing test of offshore drill workover rig and is restricted.Just when little load, also can adopt.
Supporting charger in the existing load-bearing capacity test, main body are after passing through welding by steel plate, to constitute a box structure beam, and the middle part of being furnished with suspension centre, beam above the beam is designed with loading axle construction.The length of beam meets the width of drilling and repairing machine upper bed-plate table beam; Can with table beam through device cooperate connect after; With after the single armed suspension ring of the hook block suspension of drilling and repairing machine equipment disposition are connected, realize the value-added tax function of simulation load through the loading axle that designs on the beam.The structure and the function of existing loading frock are comparatively simple, and the loading scope is little, and the agent structure that can only be reached for drilling and repairing machine derrick assembly applies test load, and upper bed-plate assembly structure and lower bottom base assembly structure can not be realized the loading requirement of simulation load.Similarly device does not possess more attached technical functionality, and function ratio is more single.Existing tool structure can on-the-spotly be realized the test value-added tax function at sea; Also can on-the-spot realization test value-added tax function on land; But it is little that it loads scopes to all structures that need test of drilling and repairing machine, makes the validity and the comprehensive decline of structural-load-carrying capacity test job.
In sum, it is undesirable that prior art means and frock load effect.And existing frock is at sea installed when connecting, owing to turntable structure obstruction is arranged, therefore in loading the course of work, need rotating disk be removed, and effectively reasonably installs and connection space for frock loads to provide, and it is loaded down with trivial details many that working routine is wanted relatively.
The utility model content
The utility model provides a kind of charger that ocean workover rig integral body applies simulation load that is used for for solving the technical matters that exists in the known technology; This device is at sea under the platform field environmental baseline; When ocean workover rig carries out the work of safety detection evaluation test; For ocean workover rig integral body applies simulation load, guarantee the comprehensive and validity of test job.
The utility model for the technical scheme that solves the technical matters that exists in the known technology and take is: a kind ofly be used for the charger that ocean workover rig integral body applies simulation load; Comprise the front beam and the rear cross beam that are arranged symmetrically in X axle both sides, the end of said front beam and said rear cross beam is all affixed with a supporting leg of workover rig lower bottom base; Between said front beam and said rear cross beam, be provided with left longeron and the right vertical beam that is arranged symmetrically in Y axle both sides; On the end of said front beam and said rear cross beam, be equipped with load plate, said load plate is provided with connecting through hole; On said front beam, said rear cross beam, said left longeron and said right vertical beam, be equipped with the leveling supporting cylinder.
Each end of said front beam and said rear cross beam is respectively affixed through a coupling arrangement and said supporting leg; Said coupling arrangement comprises a device base plate affixed with corresponding beam-end; Said device base plate is supported on the platform slippage guide rail; Said device base plate is provided with inboard riser and outer cant board, and the inboard of said inboard riser and said outer cant board all is connected with the spacing tilt prop of said supporting leg through gusset; Both sides above the said device base plate are connected with inboard top board and outside top board respectively; Be provided with below the said device base plate and corresponding inboard lower platen that is connected with said outside top board of said inboard top board and outside lower platen, said inboard top board, said outside top board, said inboard lower platen and said outside lower platen are fixed on the slippage base and the said device base plate cramping of said supporting leg on the platform slippage guide rail.
Said load plate is welded on the said device base plate.
Said front beam, said rear cross beam, said left longeron and said right vertical beam are extensible canopy; Said extensible canopy comprises outer box beam and the interior box beam that is connected with its slides within; The outer end and the said supporting leg of box beam are affixed in said; Innerly be connected with the drive end of flexible power hydraulic cylinder, said flexible power hydraulic cylinder is installed in the outer end in the said outer box beam, outside said, is provided with said leveling supporting cylinder on the box beam.
Said front beam, said rear cross beam, said left longeron and said right vertical beam are extensible canopy; Said extensible canopy comprises outer box beam and the interior box beam that is connected with its slides within; Motor is installed on the said outer box beam and by the reductor of its driving, the output terminal of said reductor is connected with gear; Be fixed with tooth bar in said on the box beam with said gearing mesh.
Said load plate is provided with hoisting structure.
Between said spacing tilt prop and said supporting leg, fill in the setting-up piece that is equipped with said supporting leg shape adaptation.
Advantage and the good effect that the utlity model has are:
1) can realize whole value-added tax function in the on-the-spot at sea load-bearing capacity testing evaluation work of drilling and repairing well equipment, load safe and reliablely, platform structure not exerted an influence.
2) one-piece construction is under the prerequisite of taking all factors into consideration aspect job requirements such as marine transportation, marine on-the-spot installation connection, marine lifting, different size model ocean drilling and repairing machine connection situation; Overall construction design is dimensioned to the scalable form; The monnolithic case dimension adjustable is adjustable to the minimum dimension that is fit under marine lifting and the marine transportation situation to the connection request of the drilling and repairing machine lower bottom base supporting leg that adapts to different size model and size.
3) simple for structure, connection and reasonable arrangement, function and applicability are more comprehensive.
4) automaticity is high.
5) on-the-spot at sea when being connected with drilling and repairing machine structure and platform slippage guide rail, need not transform, adjust or dismantle the obstruction parts drilling and repairing machine structure and platform structure, more convenient to use.
In sum; The utility model can guarantee that the entire infrastructure of equipment to be tested can both obtain external testing load; Reach consistent with the load that applies in the real drilling and repairing well operation process, and can make equipment obtain the simulation test load identical with carry out stress test work in the land.Carry out comprehensive stress test work to the land with regard to making marine drilling and repairing well equipment needn't be in order to carry out comprehensive stress testing again the dismounting of drilling and repairing well equipment be moved like this.Thereby in the comprehensive and validity that has guaranteed drilling and repairing well Equipment Inspection evaluation work all sidedly, the economy and the security that have greatly improved related work.The utility model can be applicable to that the integral body of external load required in safety detection when assessment stress test project of fixed drilling and repairing well equipment supporting on the marine oil production platform loads demand, and convenient transportation, simple to operate, connect effective and rapid.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Local cross-sectional end view when Fig. 3 is in off working state for the utility model leveling supporting cylinder;
Fig. 4 is the local cross-sectional end view of the utility model leveling supporting cylinder when in running order;
Fig. 5 is the local cross-sectional end view of box beam under the withdrawal situation in the utility model device;
Fig. 6 is the local longitudinal sectional view of box beam under the withdrawal situation in the utility model;
Fig. 7 is the sectional view of the utility model coupling arrangement.
Among the figure: 1, four limbs rigging, 2, load plate, 3, hoisting structure, 4, setting-up piece, 5, top board, 6, bolt; 7, outside lower lock block, 8, inboard lower lock block, 9, outer box beam, 10, flexible power hydraulic cylinder, 11, motor, 12, reductor; 13, gear, 14, tooth bar, 15, interior box beam, 16, platform slippage guide rail, 17, the leveling supporting cylinder; 18, supporting leg slippage base, 19, the device base plate, 20, inboard riser, 21, outer cant board, 22, spacing tilt prop.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1～Fig. 7; A kind ofly be used for the charger that ocean workover rig integral body applies simulation load and comprise front beam and the rear cross beam that is arranged symmetrically in X axle both sides; Between front beam and rear cross beam, be provided with the left longeron and the right vertical beam that are arranged symmetrically in Y axle both sides; Front beam and rear cross beam all are fixed between the two platform slippage guide rails 16, and each is affixed with a supporting leg of a workover rig lower bottom base for each beam-end, and the lower bottom base of workover rig has four supporting legs.Be equipped with corresponding four coupling arrangements that are connected with platform slippage guide rail 16 and four supporting legs of workover rig lower bottom base at the two ends of front beam and rear cross beam; Four coupling arrangements layout that is centrosymmetric.
Above-mentioned coupling arrangement comprises a device base plate 19 affixed with corresponding beam-end, and device base plate 19 is provided with inboard riser 20 and outer cant board 21, and the inboard of inboard riser 20 and outer cant board 21 all is connected with the spacing tilt prop 22 of supporting leg through gusset; Both sides are connected with medial and lateral top board 5 respectively above the device base plate 19; Be provided with below and corresponding inboard lower platen that is connected 8 of inboard top board and outside lower platen 7 with outside top board; Be equipped with the structure with the following shape adaptation of platform slippage guide rail 16 above the lower platen of both sides, lower platen is connected through bolt 6 with top board.
Before this device was accomplished connection, inboard lower platen 8 all was in free state with outside lower platen 7.During installation; To install base plate 19 earlier and be seated on the platform slippage guide rail 16, this moment, four supporting legs of workover rig lower bottom base were connected on the platform slippage guide rail 16, the position of four coupling arrangements of adjustment; Make corresponding respectively the embedding in four coupling arrangements in bottom of four supporting legs of workover rig lower bottom base; At this moment, device base plate 19 connects with the slippage base 18 of workover rig supporting leg bottom, removes original coupling bolt on the slippage base 18 then; Install and connect inboard lower platen 8 and outside lower platen 7; Be pressed on above the lower platen of both sides on platform slippage guide rail 16 following, coupling arrangement is fixed together platform slippage guide rail 16, workover rig and this charger, makes charger and workover rig form a force transmission effect good whole.
Above-mentioned coupling arrangement can be through the adjusting pad 4 of plug dress between spacing tilt prop 22 and supporting leg with the supporting leg shape adaptation, makes tightr that charger combines with supporting leg.
Be equipped with load plate 2 on the both ends of front beam and rear cross beam, load plate 2 is provided with connecting through hole, is used for being connected with four limbs rigging 1, is used for implementing to load.Preferably load plate 2 is welded on the device base plate 19, the transmission effect that can exert all one's strength is better.Also be provided with hoisting structure 3 on the load plate 2, be used for the lifting of charger.
Front beam, rear cross beam, left longeron and right vertical beam are extensible canopy; Extensible canopy comprises outer box beam 9 and the interior box beam 15 that is connected with its slides within; The outer end and the coupling arrangement of interior box beam 15 are affixed; The drive end of inner and flexible power hydraulic cylinder 10 is connected, and flexible power hydraulic cylinder 10 is installed in the outer end in the outer box beam 9.Realize the flexible of extensible canopy through hydraulic-driven.Motor 11 is installed on the outer box beam 9 and by the reductor 12 of its driving, the output terminal of reductor 12 is connected with gear 13, is fixed with tooth bar 14 on the interior box beam 15 with gear 13 engagements.Realize the flexible of extensible canopy through the motor-driven gear rack mechanism.Above-mentioned telescopic drive mechanism can choose one of which wantonly, but also the both establishes, in case of need.The both sides, end of the outer box beam of front beam and rear cross beam are equipped with leveling supporting cylinder 17; In the outer box beam of left longeron and right vertical beam away from being equipped with leveling supporting cylinder 17 with the affixed both sides, end of crossbeam.
Front beam, rear cross beam, left longeron and right vertical beam also can be general fixed length beam, and at this moment, charger can only use to the workover rig on a certain particular platform.But front beam, rear cross beam, left longeron and right vertical beam should be provided with the leveling supporting cylinder.
Above-mentioned charger can be realized 180 tons of loading requirements with interior simulation load; Device is whole laterally to reach adjustable length on vertical both direction; Range of adjustment vertically is 8m-14m; Is 4m-6m laterally, the offshore drill that can be adapted to the different size model is repaiied machine equipment and is tested loading work in the scene at sea.
The agent structure of above-mentioned charger is the scalable cased beam that is made into by Metal Material Welding, and inside is equipped with flexible power hydraulic cylinder and the electric pinion and rack that drives, in order to accomplish agent structure in automatic length adjustment function vertical and transversely.Coupling arrangement is arranged on the end of crossbeam; And constitute integrative-structure with crossbeam; When loading duty; Coupling arrangement completion charger connects with drilling and repairing machine lower bottom base supporting leg and platform slippage guide rail; Make charger and drilling and repairing machine and platform slide rail form a stressed integral body, will effectively pass to the structure members such as lower bottom base assembly main structure beam column, upper bed-plate assembly main structure beam column and derrick assembly agent structure beam of drilling and repairing well equipment from the simulation load of crossbeam, the integral body when reaching test loads effect.
Installation of the utility model and use:
By land transport to offshore platform the time, charger is adjusted to minimum physical dimension through telescoping mechanism, so that carry out transporting and hoisting work.After being transported to offshore platform; Make the leveling supporting cylinder in the device in running order earlier; Then charger is hung between the two platform slippage guide rails on deck roof deck; Then ocean workover rig is slid onto directly over the charger, and make workover rig upper bed-plate assembly and the total Chengdu of lower bottom base be in the structural symmetry position, adjust the center of workover rig center of turntable to two a platform slippage guide rail then.
The overhang of adjustment leveling supporting cylinder makes charger be adjusted to level, and the device base plate that makes charger is a little more than above the platform slippage guide rail.Then according to the stride values of two platform slippage guide rails; The length of adjustment crossbeam is identical with the stride values of itself and two platform slippage guide rails; Then according to the spacing between four supporting legs of workover rig lower bottom base; The length of adjustment longeron adjusting the position of four coupling arrangements, and then is accomplished being connected of charger and platform slippage guide rail and workover rig lower bottom base supporting leg.
Charger is connected completion with platform slippage guide rail and workover rig lower bottom base supporting leg after, charger just has been in effective duty.Next; After the single armed suspension ring of load plate through the hook block suspension of four limbs rigging, snap ring (shackle), annular rigging etc. and drilling and repairing machine equipment disposition are connected; The pulling force of hook just is delivered on the crossbeam and longeron of charger; Be passed on all primary structure bearing carriers such as workover rig lower bottom base, upper bed-plate, derrick through coupling arrangement again, thereby realize the marine ocean workover rig value-added tax function of the whole simulation load that requires of the assessment of the detection under the environmental baseline at the scene.
Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
Claims (7)
1. one kind is used for the charger that ocean workover rig integral body applies simulation load, it is characterized in that, comprises the front beam and the rear cross beam that are arranged symmetrically in X axle both sides, and the end of said front beam and said rear cross beam is all affixed with a supporting leg of workover rig lower bottom base; Between said front beam and said rear cross beam, be provided with left longeron and the right vertical beam that is arranged symmetrically in Y axle both sides; On the end of said front beam and said rear cross beam, be equipped with load plate, said load plate is provided with connecting through hole; On said front beam, said rear cross beam, said left longeron and said right vertical beam, be equipped with the leveling supporting cylinder.
2. according to claim 1ly be used for the charger that ocean workover rig integral body applies simulation load, it is characterized in that each end of said front beam and said rear cross beam is respectively affixed through a coupling arrangement and said supporting leg; Said coupling arrangement comprises a device base plate affixed with corresponding beam-end; Said device base plate is supported on the platform slippage guide rail; Said device base plate is provided with inboard riser and outer cant board, and the inboard of said inboard riser and said outer cant board all is connected with the spacing tilt prop of said supporting leg through gusset; Both sides above the said device base plate are connected with inboard top board and outside top board respectively; Be provided with below the said device base plate and corresponding inboard lower platen that is connected with said outside top board of said inboard top board and outside lower platen, said inboard top board, said outside top board, said inboard lower platen and said outside lower platen are fixed on the slippage base and the said device base plate cramping of said supporting leg on the platform slippage guide rail.
3. according to claim 2ly be used for the charger that ocean workover rig integral body applies simulation load, it is characterized in that said load plate is welded on the said device base plate.
4. according to claim 1ly be used for the charger that ocean workover rig integral body applies simulation load; It is characterized in that; Said front beam, said rear cross beam, said left longeron and said right vertical beam are extensible canopy; Said extensible canopy comprises outer box beam and the interior box beam that is connected with its slides within, said in the outer end and the said supporting leg of box beam affixed, innerly be connected with the drive end of flexible power hydraulic cylinder; Said flexible power hydraulic cylinder is installed in the outer end in the said outer box beam, outside said, is provided with said leveling supporting cylinder on the box beam.
5. according to claim 1ly be used for the charger that ocean workover rig integral body applies simulation load; It is characterized in that; Said front beam, said rear cross beam, said left longeron and said right vertical beam are extensible canopy; Said extensible canopy comprises outer box beam and the interior box beam that is connected with its slides within, motor is installed on the said outer box beam and by the reductor of its driving, the output terminal of said reductor is connected with gear; Be fixed with tooth bar in said on the box beam with said gearing mesh.
6. according to claim 3ly be used for the charger that ocean workover rig integral body applies simulation load, it is characterized in that said load plate is provided with hoisting structure.
7. according to claim 1ly be used for the charger that ocean workover rig integral body applies simulation load, it is characterized in that, plug is equipped with the setting-up piece with said supporting leg shape adaptation between said spacing tilt prop and said supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200016896U CN202471433U (en) | 2012-01-04 | 2012-01-04 | Loading device used for entirely applying simulated load to ocean workover rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200016896U CN202471433U (en) | 2012-01-04 | 2012-01-04 | Loading device used for entirely applying simulated load to ocean workover rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471433U true CN202471433U (en) | 2012-10-03 |
Family
ID=46919585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200016896U Expired - Lifetime CN202471433U (en) | 2012-01-04 | 2012-01-04 | Loading device used for entirely applying simulated load to ocean workover rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471433U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564792A (en) * | 2012-01-04 | 2012-07-11 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN108716370A (en) * | 2018-04-02 | 2018-10-30 | 宝鸡石油机械有限责任公司 | The design verification load test system and test method of formula of tourist bus |
| CN111220468A (en) * | 2018-11-27 | 2020-06-02 | 上海玻璃钢研究院有限公司 | Offshore oil drilling platform pipe strap test platform |
-
2012
- 2012-01-04 CN CN2012200016896U patent/CN202471433U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564792A (en) * | 2012-01-04 | 2012-07-11 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN102564792B (en) * | 2012-01-04 | 2014-07-16 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN108716370A (en) * | 2018-04-02 | 2018-10-30 | 宝鸡石油机械有限责任公司 | The design verification load test system and test method of formula of tourist bus |
| CN111220468A (en) * | 2018-11-27 | 2020-06-02 | 上海玻璃钢研究院有限公司 | Offshore oil drilling platform pipe strap test platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9334667B2 (en) | Modular drilling rig system | |
| CN101880010B (en) | Telescopic crane with self-fittable slackening device and fitting method for a slackening device | |
| CN102564792B (en) | Loading device for entirely applying simulative load to ocean work-over rig | |
| US10577226B2 (en) | Tank car lifting apparatus | |
| CN104444840B (en) | Mining hydraulic boom hoisting | |
| PL186878B1 (en) | Hoisting apparatus | |
| CN202471433U (en) | Loading device used for entirely applying simulated load to ocean workover rig | |
| CN103574158B (en) | Super-large diameter pressure steel tube inclined shaft three-hanging-point installation method | |
| CN103523684B (en) | Hoisting coupling device with cooperation of multiple cranes and detection method | |
| CN2900454Y (en) | Device for hoisting super large equipment using rotary balance method | |
| CN103499455A (en) | Testing device of self-elevating ocean platform | |
| CN103723624B (en) | Hydraulic double-type crane and installation method | |
| CN203188942U (en) | Novel multifunctional racking platform | |
| CN213387550U (en) | Landing leg structure with buffer structure for crane | |
| CN202214199U (en) | Counter weight block self-dismounting device and crane with same | |
| CN105317031B (en) | A kind of ship lift main equipment room bridge main beam hanging method | |
| CN104374583B (en) | A kind of vehicle carried type vehicle protects load testing machine | |
| CN203248599U (en) | Counterweight self-detached structure of rotary drilling rig and rotary drilling rig | |
| CN209569026U (en) | Coal mine underground hydraulic support frame peace tears platform open | |
| CN116677330B (en) | Quick working vehicle and working method for working tube | |
| CN116750152A (en) | Drilling ship hook load test device and method | |
| CN202988539U (en) | Oil field sledge block lifting structure | |
| CN216197838U (en) | Modularized rescue drilling machine equipment | |
| CN201206430Y (en) | Rotating platform for rotary drill rig | |
| CN210193178U (en) | Auxiliary lifting appliance for lifting electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20140716 |
|
| RGAV | Abandon patent right to avoid regrant |