CN201620407U - Offshore petroleum drilling platform skid block - Google Patents
Offshore petroleum drilling platform skid block Download PDFInfo
- Publication number
- CN201620407U CN201620407U CN2010291510203U CN201029151020U CN201620407U CN 201620407 U CN201620407 U CN 201620407U CN 2010291510203 U CN2010291510203 U CN 2010291510203U CN 201029151020 U CN201029151020 U CN 201029151020U CN 201620407 U CN201620407 U CN 201620407U
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- CN
- China
- Prior art keywords
- sledge
- lifting
- skid
- drilling platform
- hanger
- 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
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Abstract
The utility model discloses an offshore petroleum drilling platform skid block and a hoisting process thereof. The skid block comprises a skid body of a rectangular container, the middle part of the skid body is provided with two crossed door-shaped frames welded on a skid wall, the middle point of each edge of the upper surface of the skid body is provided with a hoisting lug, and the lower edge of the skid body is provided with an auxiliary lug; and the door-shaped frames can be welded inside or outside the skid wall; and the hoisting lug can be arranged on the top or the side. The skid block can be directly hoisted without a hanging bar, and can improve the hoisting stability and safety, reduce the cost and save the working hour.
Description
Technical field
The utility model relates to petroleum industry rectangular vessel sledge piece, specifically, relates to a kind of offshore oil drilling platform rectangular vessel sledge piece.
Background technology
At present, in the rectangular vessel sledge piece hoisting on the offshore oil drilling platform, two opposite side at rectangular vessel sledge piece upper surface are provided with conventional hanger respectively usually, again by trapeze and the auxiliary lifting of hoist cable.This sledge piece has following defective when lifting, and the first, the installation and the releasing time of suspender are long before and after the lifting; The second, less stable during lifting; The 3rd, only be applicable in the lifting that has above the on-station position under the situation of enough spaces, if the insufficient space that lifting needs, also need be auxiliary by other modes.After for example platform puts into production, when such sledge piece need remove or increase, just can't directly pass through the direct hoisted in position of conventional hoisting, need the interim frock of increase and the platform that temporarily overhangs to assist usually and lift, increase workload and running cost greatly, and had more risk.
In addition, because the size of various rectangular vessel sledge pieces differs, trapeze generally need cooperate sledge piece size to design separately, also must and issue licence by third party inspection, so cost is higher, reuse is poor.
With four hanger formula rectangular vessels is example, and as shown in Figure 1, two opposite side of sledge piece upper surface are symmetrically arranged with two conventional hangers respectively, needs a trapeze and six roots of sensation hoist cable to assist during lifting at least and just can finish.As shown in Figure 2, because the upper platform deck generally can cover most of zone of lower floor's Platform Deck even cover fully, lift to deck in place by suspender so work as the sledge piece, when the position of centre of gravity of sledge piece did not also move on on lower floor's Platform Deck, hoist cable can collide the upper platform deck.At this moment, common settling mode has two kinds, a kind of mode as shown in Figure 3, at platform that overhangs of lower floor's Platform Deck end welding temporarily, so that lower floor's Platform Deck extends temporarily, thereby when hoist cable did not also collide the upper platform deck, 1/2nd above sledge bodies of sledge piece promptly placed lower floor's Platform Deck, continued by manpower or mechanical assistance dilatory in place up to can steadily placing the back; But the platform that also needs will temporarily overhang again after lifting is finished excises by gas cutting.Another kind of mode changes one of them hoist cable the jack of adjustable length into as shown in Figure 4, and cooperates with loop wheel machine and to lift.Obviously these two kinds of methods all can increase workload and running cost greatly, and have high risk.
Therefore, improve stability, the safety of lifting, reduce cost, save man-hour, become high requirement the rectangular vessel sledge piece hoisting on the offshore oil drilling platform.
The utility model content
The technical problems to be solved in the utility model provides a kind of improvement structure, does not need the offshore oil drilling platform sledge block that uses trapeze directly to lift, can improve stability, the safety of lifting, reduces cost, saves man-hour.
In order to solve the problems of the technologies described above, sledge piece of the present utility model is achieved by following technical scheme:
A kind of offshore oil drilling platform sledge block comprises the sledge body of rectangular vessel, and described sledge body middle part is provided with two door type frameworks that are welded on the sledge wall of right-angled intersection, and described each limit midpoint of sledge body upper surface is provided with the lifting hanger.
Described sledge body lower limb is provided with auxiliary hanger.
Described door type framework is welded in described sledge pars intramuralis or outside.
Described lifting hanger is an overhead type or side-mounted.
The beneficial effects of the utility model are:
(1) the utility model is by increasing door type framework and changing the position that is provided with that lifts hanger, cooperate the lifting operating procedure again, direct connecting shackle and lifting hanger had higher stability, safety with respect to the routine lifting when suspender was installed, and had higher compliance for various lifting environment.
(2) the utility model no longer needs to use trapeze to lift, and also need not to use jack to cooperate, and has reduced risk of hoisting, also greatly reduces hoisting cost.
(3) utilize the utility model lifting, can directly remove a rigging where necessary saving required lifting space, flexible operation, simple and direct also can be dilatory in place with the sledge piece under the narrow and small situation in lifting space.
(4) utilize the utility model lifting, not only saved trapeze and one group of hoist cable, also need not increases the auxiliary moulds such as platform and jack that temporarily overhang, and has significantly improved operating efficiency, has also saved cost.
(5) on the sledge piece, increase door type framework, can improve the bulk strength of sledge piece simultaneously.
(6) requirement of related specifications should be calculated and meet to its concrete size and selection through intensity, wherein lifting hanger can be adjusted into side-mounted or overhead type according to the indivedual dimensional requirements to rectangular vessel sledge piece, door type framework also can be welded on the inside or the outside of sledge wall neatly, can require the appearance and size of control sledge piece according to different size.
Description of drawings
Fig. 1 is the lifting schematic diagram of sledge piece in the prior art;
Fig. 2 is that the sledge piece lifts the extremely schematic diagram on deck in place in the prior art;
Fig. 3 is the schematic diagram that increases the auxiliary lifting of platform that temporarily overhangs in the prior art;
Fig. 4 is the schematic diagram that increases the auxiliary lifting of jack in the prior art;
Fig. 5 is the structural representation of offshore oil drilling platform sledge block in the utility model;
Fig. 6 is the front view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is a lifting Lifting Lug Structure schematic diagram among Fig. 6;
Fig. 9 is that 8 A is to view;
Figure 10 is an auxiliary Lifting Lug Structure schematic diagram among Fig. 6;
Figure 11 be in the utility model the sledge piece by hoist cable and the direct-connected lifting schematic diagram of suspension hook;
Figure 12 is the view of hoisting step (a);
Figure 13 is the view of hoisting step (b).
---1 trapeze---2 hoist cable---3 among the figure: suspension hook
Conventional hanger---4 sledge bodies---5 upper platform deck---6
Lower floor's Platform Deck---7 platforms---8 jack---9 that temporarily overhang
Door type framework---10 lifting hangers---11 auxiliary hanger---12
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
The utility model provides a kind of offshore oil drilling platform sledge block that improves structure, with four hanger formula rectangular vessels is example, extremely shown in Figure 7 as Fig. 5, offshore oil drilling platform sledge block of the present utility model, the sledge body 5 that comprises rectangular vessel, described sledge body 5 is provided with 10, two described door type frameworks 10 of two door type frameworks and is the centre position that right-angled intersection is arranged at sledge body 5, and welds with the upper surface and the sidewall applying of sledge wall.The type selecting of described door type framework 10 need be calculated and Calculation on stability by the intensity of code requirement, door type framework 10 the bulk strength that can improve sledge body 5 is set.
Described door type framework 10 both can be welded in the inside of sledge wall, also can be welded in the outside of sledge wall, and was comparatively strict and set according to the comparatively strict still external dimensions of the inside dimension of concrete sledge body 5.
Described each limit midpoint of sledge body 5 upper surfaces, promptly door type framework 10 the drift angle place be provided with lifting hanger 11.Lifting hanger 11 is as Fig. 8 and shown in Figure 9, can be overhead type or side-mounted, promptly can be arranged on the end face or the side of sledge body 5 flexibly,, satisfy the dimensional requirement of its height or length, width to guarantee the appearance and size of sledge body 5 according to different dimensional requirements.The design strength of lifting hanger 11 also needs to satisfy code requirement, owing to can directly remove a hoist cable 3 in case of necessity saving required lifting space, the strength check that therefore lifts hanger 11 only should be taken into account the stressing conditions of the lifting hanger 11 on two parallel edges.
Described sledge body 5 lower limbs can also be equipped with auxiliary hanger 12, as shown in figure 10, and in order to cooperate lifting hanger 11 that the sledge piece is dilatory in place.
As shown in figure 11, by increasing door type framework 10 and changing the position that is provided with that lifts hanger 11, suspension hook 1 can directly be connected by hoist cable 3 with lifting hanger 11 when suspender was installed.Four hanger formula rectangular vessel sledge pieces only need four hoist cables 3 just can finish lifting, direct connecting shackle 1 and lifting hanger 11, and more stable and safety has also been saved the time of installing and removing the auxiliary type suspender.
Utilize the utility model to realize that the processing step of lifting is as follows:
At first hoist cable 3 one ends are connected on the lifting hanger 11, hoist cable 3 other ends are connected on the suspension hook 1; As shown in figure 12, utilize hoist cable 3 that the sledge piece is lifted deck in place to appointment, when hoist cable 3 and upper platform deck 6 are about to bump, will remove apart from upper platform deck 6 nearest hoist cables 3.If sledge piece deviation of gravity center sledge body 5 position of form center, the end that the sledge piece is laid particular stress on is introduced into lower floor's Platform Deck 7.
As shown in figure 13, by dilatory sledge pieces such as manpower or winches, on lower floor's Platform Deck 7, promptly sledge body 5 is steadily placed until sledge body 5 position of centre of gravitys.Loosen suspension hook 1 afterwards, remove hoist cable 3, continue dilatory sledge piece and be located in lower floor's Platform Deck 7 fully until it.
If sledge piece center of gravity overlaps with sledge body 5 position of form center, then 1/2nd above sledge bodies 5 place on the Platform Deck and after steady the placement, just can remove all the other hoist cables 3.
Whole hoisting process is the same with conventional lifting, all needs manpower or mechanical assistance, rocks Shi Buhui and bumps so that guarantee lifting.
As seen, above-mentioned technology is on the upper platform deck 6 when not exclusively covering lower floor's Platform Deck 7, do not need lower floor's Platform Deck 7 is carried out provisional extension or uses interim frock, utilize lifting hanger 11 and auxiliary hanger 12, can be by manpower or winch etc. with rectangular vessel sledge piece installation in position/dismounting.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make the concrete conversion of a lot of forms, these all belong within the protection domain of the present utility model.
Claims (4)
1. offshore oil drilling platform sledge block comprises the sledge body of rectangular vessel it is characterized in that described sledge body middle part is provided with two door type frameworks that are welded on the sledge wall of right-angled intersection that described each limit midpoint of sledge body upper surface is provided with the lifting hanger.
2. a kind of offshore oil drilling platform sledge block according to claim 1 is characterized in that, described sledge body lower limb is provided with auxiliary hanger.
3. a kind of offshore oil drilling platform sledge block according to claim 1 is characterized in that, described door type framework is welded in described sledge pars intramuralis or outside.
4. a kind of offshore oil drilling platform sledge block according to claim 1 is characterized in that, described lifting hanger is an overhead type or side-mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010291510203U CN201620407U (en) | 2010-02-08 | 2010-02-08 | Offshore petroleum drilling platform skid block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010291510203U CN201620407U (en) | 2010-02-08 | 2010-02-08 | Offshore petroleum drilling platform skid block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620407U true CN201620407U (en) | 2010-11-03 |
Family
ID=43023863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010291510203U Expired - Lifetime CN201620407U (en) | 2010-02-08 | 2010-02-08 | Offshore petroleum drilling platform skid block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201620407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205468A (en) * | 2018-08-24 | 2019-01-15 | 中船第九设计研究院工程有限公司 | A kind of integral hoisting method of mobile shelter |
-
2010
- 2010-02-08 CN CN2010291510203U patent/CN201620407U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205468A (en) * | 2018-08-24 | 2019-01-15 | 中船第九设计研究院工程有限公司 | A kind of integral hoisting method of mobile shelter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101103 Effective date of abandoning: 20110810 |