KR20130110838A - Over load test equipment for m-type winch of drill ships - Google Patents

Over load test equipment for m-type winch of drill ships Download PDF

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Publication number
KR20130110838A
KR20130110838A KR1020120033114A KR20120033114A KR20130110838A KR 20130110838 A KR20130110838 A KR 20130110838A KR 1020120033114 A KR1020120033114 A KR 1020120033114A KR 20120033114 A KR20120033114 A KR 20120033114A KR 20130110838 A KR20130110838 A KR 20130110838A
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KR
South Korea
Prior art keywords
support
shaft
overload test
winch
drillship
Prior art date
Application number
KR1020120033114A
Other languages
Korean (ko)
Inventor
이현만
Original Assignee
현대중공업 주식회사
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Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020120033114A priority Critical patent/KR20130110838A/en
Publication of KR20130110838A publication Critical patent/KR20130110838A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/03—Pipe-laying vessels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B2003/147—Moon-pools, e.g. for offshore drilling vessels

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  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The present invention relates to an overload test apparatus for a winch installed in a drillship, and a support for supporting an overload test auxiliary weight, and both ends of the support so that the support is slidable in the up and down directions, respectively. The main frame is provided with a pair of slide shafts for supporting and elevating means for elevating the support, thereby making it easy to add auxiliary weights for overload testing of the winch, thereby improving workability. A drillship M type winch overload test apparatus.

Description

Overload test equipment for M-type winch of drill ships}

The present invention relates to an overload test apparatus for a winch installed in a drillship, and to easily raise and lower the auxiliary weight to be added to the main weight for the overload test of the winch by using a simple lifting method. The present invention relates to a drillship M-type winch overload test apparatus that can improve efficiency.

In general, a drillship is a vessel for extracting oil or gas from the ocean, and a vessel capable of drilling crude oil in a deep sea region or a sea with severe waves where it is impossible to install an offshore platform.

Such a drillship is a crude oil drilling ship having a function of extracting crude oil from deep seas by installing crude oil drilling equipment on the hull, and is one of advanced ships used for deep sea oil field development.

The drill ship is a high-tech ship, and is equipped with various advanced equipment such as a drill tower (pylon) that can install a pipe for deep drilling in the deep sea and oil refining equipment.

In this case, the drill pipe is coupled to the top driver installed in the main tower of the drillship and installed in the moon pool, and the top driver rotates the drill pipe to excavate the seabed.

Therefore, a work winch is installed in the door pool of the drillship to move or install various equipments, and an overload test is performed to ensure the safety of the winch.

Figure 1 shows a working diagram of a conventional winch overload test, the overload test is a normal test of the winch 100 using a main weight 200 of typically 10 tons (ton) After performing the test, the auxiliary weight 250 of 2.5 ton is added to the 10 ton for the 125% overload test.

However, when the 125% overload test is conventionally performed, since the winch 100 itself cannot lift 12.5 tons at the same time, a separate portable winch 400 is used. The 10 ton main weight 200 of 2,5 tons of additional weight 250 was loaded and tested.

Therefore, since a conventional portable winch must be installed and used for overload testing, test time is not only increased, but also workability is decreased, and work safety and process efficiency are also significantly reduced. There was a problem.

The present invention has been made to solve the above problems, an object of the present invention is to easily raise and lower the auxiliary weight to be added to the main weight for the overload test of the winch by a simple structure lifting method. It is intended to provide a drillship M-type winch overload test apparatus that can be added to the weight, thereby improving operation convenience and work efficiency, and also securing work safety.

In order to achieve the above object, the present invention provides a support having a predetermined area to support a lower surface of an overload test auxiliary weight, and both ends of the support to be slidably coupled so that the support can move in an up and down direction. The main frame is provided with a pair of slide shafts standing up and facing each other, and the lifting means installed on the main frame to support the lower surface of the support and at the same time to lift.

Here, a plurality of guide portions are respectively provided at both ends of the support, and a plurality of guide grooves are erected to correspond to the guide portion so that the guide portion is inserted and slides on the slide shaft.

Meanwhile, the elevating means may include a lift shaft provided with a support plate having a predetermined area at an upper end thereof so as to support a lower surface of the center portion of the support, a gear box in which a lower portion of the lift shaft is gear-coupled, and one end thereof to elevate the lift shaft. Gear rotatably coupled to the gearbox, the other end may be composed of a steering shaft is installed handle.

In addition, the handle is preferably provided with a locking device to stop the rotation of the adjustment shaft.

As described above, the present invention makes it easy to add the auxiliary weight to the main weight, thereby reducing the test time, thereby increasing productivity and improving the safety of the work, and the process of overload testing. Efficiency also has the effect of increasing.

1 is a working diagram of a conventional winch overload test,
2 is a block diagram of a drillship M type overload test apparatus of the present invention,
Fig. 3 is a plan view of Fig. 2,
Figure 4 is an operating state of the drillship M type overload test apparatus of the present invention,
5 is a working view of the auxiliary weight is added using the drillship M type overload test apparatus of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings.

Figure 2 shows the configuration of the drillship M-type overload test apparatus of the present invention, Figure 3 shows a plan view of FIG.

As shown, the drillship M-type overload test apparatus of the present invention is composed of a support 10, the main frame 20 and the lifting means (60).

The support 10 supports the lower surface of the auxiliary weight 250 (shown in FIGS. 4 and 5) to be added to the main weight 200 (shown in FIGS. 4 and 5) for the overload test. It is provided in the form of a plate (plate) having a predetermined thickness and area so that the weight 250 can be stably supported.

At this time, both side surfaces of the support 10 are provided with a plurality of guide parts 15 to be spaced apart by a predetermined distance.

Here, the guide part 15 is inserted into the slide groove 26 formed on the slide shaft 25 of the main frame 20 and slides, and has a head portion having a predetermined width and a narrow neck portion for supporting the head portion. It consists of a neck part.

Therefore, the guide part 15 is formed to be slidable only in the up and down directions along the slide groove 26.

As illustrated in FIG. 3, the guide part 15 is configured in a pair so as to face each other on both sides of the support 10, but is not limited thereto, and may be various in consideration of the weight and size of the auxiliary weight 250. Multiple locations may be installed in the location.

On the other hand, the main frame 20 is composed of a base plate 21 and the slide shaft 25.

Base plate 21 is a plate shape of a predetermined area, the gear box 40 of the elevating means 60 described below is installed on the upper portion of the central portion, the slide shaft 25 is standing up on both ends.

Here, the slide shaft 25 is to support both ends of the support 10, respectively, is installed at a predetermined height to face each other, is formed to have a predetermined width corresponding to the size of the support (10).

At this time, the slide groove 26 is erected to correspond to the shape of the guide portion 15 so that the guide portion 15 of the support 10 is inserted into each slide shaft 25 to be slidable in the up and down directions.

Therefore, the support 10 is installed to be movable in the vertical direction along the slide groove 26 while maintaining the horizontal state.

Here, the guide unit 15 and the slide groove 26 are not limited to the shape as shown in FIG. 3, and may be configured in various forms such as a circle or a quadrangle.

Meanwhile, the lifting means 60 serves to elevate and support the support 10, and is composed of a lift shaft 30, a gear box 40, and an adjustment shaft 50.

The lift shaft 30 supports the lower surface of the central portion of the support 10, the support plate 35 of a predetermined area is installed in a horizontal state at the upper end, the lower portion passes through the housing of the gearbox 40 in a vertical direction. Gear is engaged.

Meanwhile, the gearbox 40 is installed on the base plate 21 of the main frame 20, and the adjusting shaft 50 is gear-coupled in the lateral direction of the gearbox 40 in a horizontal state.

Here, the gear box 40 is to allow the lift shaft 30 to move in the up and down directions by using the rotation of the adjustment shaft 50 as a driving force, and the rotation of the adjustment shaft 50 through a plurality of gear coupling structures. The lift shaft 30 is to be converted to the up and down movement.

Therefore, the gearbox 40 may be configured with a variety of gear combinations commonly used to convert the rotational motion to a reciprocating motion.

For example, a worm gear system or a screw gear system that can transmit rotational force between intersecting axes may be used.

That is, in the worm gear system, the adjusting shaft 50 is a worm screw, and after coupling the worm wheel rotated in place to the adjusting shaft 50, the gear shaft is coupled to the worm wheel.

Accordingly, when the worm wheel is rotated in place due to the rotation of the adjustment shaft 50, the lift shaft 30 gear-coupled to the worm wheel is moved upward and downward through relative motion.

On the other hand, the adjustment shaft 50 is penetrated through the slide shaft 25 on one side, the front end is geared through the side of the gear box 40, the handle 55 is installed on the other end and the handle 55 is rotated The lever 56 is installed to facilitate.

In addition, although not shown, the handle 55 may be provided with a locking device.

For example, by installing the fixing pin to the handle 55 so that the fixing pin is coupled to the slide shaft 25, it will be possible to prevent the adjustment shaft 50 from rotating arbitrarily.

Hereinafter, an operation process of the drillship M type overload test apparatus of the present invention will be described with reference to FIGS. 4 and 5.

Figure 4 shows the operating state of the drillship M-type overload test apparatus of the present invention, Figure 5 is a working view of the auxiliary weight is added to the main weight.

As shown in FIG. 4, the auxiliary weight 250 is positioned below the main weight 200 loaded on the winch 100 in a state where the auxiliary weight 250 of 2.5 tons is first placed on the support 10. Sort it.

At this time, by rotating the handle of the adjustment shaft 50 to move the lift shaft 30 coupled to the gearbox 40 upwards as shown by the arrow, the upper surface of the auxiliary weight 250 to the lower surface of the main weight 200 Make sure they are in close contact.

As described above, the wire 300 is connected to a plurality of shuffles 210 installed on the side of the main weight 200 and the auxiliary weight 250 in a state where the auxiliary weight 250 is in close contact with the lower side of the main weight 200. To fix it.

At this time, it is preferable to install the separation prevention member 260 on both sides of the upper portion of the auxiliary weight 250 so that movement to the side can be blocked.

Meanwhile, when the fixing of the auxiliary weight 250 is completed, as shown in FIG. 5, the support shaft 10 is moved downward by rotating the adjustment shaft 50 using the handle 55 to return the support 10 downward. You just have to.

Therefore, the present invention can be added to the main weight by lifting the auxiliary weight that should be added to the main weight for the overload test of the winch by a simple operation using a gear method, thereby improving the operation convenience and work safety. In addition to improving the work environment and working efficiency.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities.

Description of the Related Art [0002]
10: support 15: guide
20: main frame 21: base plate
25: slide shaft 26: slide groove
30: lift shaft 35: support plate
40: gearbox 50: adjustment shaft
55: handle 56: lever
60: lifting means 100: winch
200: main weight 210: shuffle
250: auxiliary weight 260: separation prevention member
300: wire 400: portable winch

Claims (4)

A support having a predetermined area to support a lower surface of the auxiliary weight for the overload test;
A main frame provided with a pair of slide shafts that are erected to face each other so that both ends of the support can be slidably coupled so that the support can be moved in an up and down direction; And
Elevating means installed on the main frame to support the lower surface of the support and simultaneously lift;
Drillship M-type overload test device is configured to include. The method of claim 1,
A plurality of guide parts are respectively provided at both ends of the support, and a plurality of slide grooves are erected to correspond to the guide part so that the guide part is inserted and slidable on the slide shaft. Device. 3. The method of claim 2,
The elevating means includes:
A lift shaft provided with a support plate having a predetermined area at an upper end thereof so as to support a lower surface of the central portion of the support;
A gear box to which the lower portion of the lift shaft is geared; And
An adjustment shaft having one end rotatably geared to the gear box so as to elevate the lift shaft, and a handle installed at the other end;
Drillship M type overload test apparatus, characterized in that consisting of. The method of claim 3,
Drilling M-type overload test apparatus, characterized in that the handle is provided with a locking device to stop the rotation of the adjustment shaft.










KR1020120033114A 2012-03-30 2012-03-30 Over load test equipment for m-type winch of drill ships KR20130110838A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160115417A (en) 2015-03-27 2016-10-06 삼성중공업 주식회사 Ship
CN106680004A (en) * 2016-12-21 2017-05-17 广东精铟海洋工程股份有限公司 Detection device of offshore platform hydraulic type elevating mechanism
CN106769012A (en) * 2016-12-21 2017-05-31 广东精铟海洋工程股份有限公司 A kind of dynamic load analog detecting method of offshore platform hydraulic formula elevating mechanism
CN111359746A (en) * 2020-03-30 2020-07-03 鲍立国 High-efficient type reducing mechanism convenient to be used for small-size chinese medicine factory
CN111746743A (en) * 2020-06-30 2020-10-09 扬州市远望橡胶有限公司 Fender compression performance detection device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160115417A (en) 2015-03-27 2016-10-06 삼성중공업 주식회사 Ship
CN106680004A (en) * 2016-12-21 2017-05-17 广东精铟海洋工程股份有限公司 Detection device of offshore platform hydraulic type elevating mechanism
CN106769012A (en) * 2016-12-21 2017-05-31 广东精铟海洋工程股份有限公司 A kind of dynamic load analog detecting method of offshore platform hydraulic formula elevating mechanism
CN106769012B (en) * 2016-12-21 2019-02-22 广东精铟海洋工程股份有限公司 A kind of dynamic load analog detecting method of offshore platform hydraulic formula elevating mechanism
CN111359746A (en) * 2020-03-30 2020-07-03 鲍立国 High-efficient type reducing mechanism convenient to be used for small-size chinese medicine factory
CN111359746B (en) * 2020-03-30 2021-10-22 安徽健怡堂中药饮片有限公司 High-efficient type reducing mechanism convenient to be used for small-size chinese medicine factory
CN111746743A (en) * 2020-06-30 2020-10-09 扬州市远望橡胶有限公司 Fender compression performance detection device
CN111746743B (en) * 2020-06-30 2021-07-09 扬州市远望橡胶有限公司 Fender compression performance detection device

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