CN217676308U - Take rotatory limit function's deep water umbilical cable UTH terminal hoisting structure - Google Patents

Abstract

The utility model discloses a rotatory limit function's in area deep water umbilical cable UTH terminal hoisting structure relates to ocean engineering technical field. Including the davit, the davit bottom is rotated and is connected with anchor clamps, and the davit includes pipe mechanism, the first lug of pipe mechanism top fixedly connected with, pipe mechanism bottom both sides difference fixedly connected with double-deck lug, pipe mechanism is including violently managing, violently manages outer wall bottom both sides difference fixedly connected with standpipe, violently manages outer wall top and first lug fixed connection, and the bottom at two standpipes is fixed respectively to two double-deck lugs. The utility model discloses compact structure when satisfying the hoist and mount load requirement, the size reduces as far as possible to reduce the demand of hanging high to the loop wheel machine, the split type prefabrication of structure, equipment have reduced the degree of difficulty of on-board integral erection, and the davit can be at the interval internal rotation of settlement, and the gesture of adjusting umbilical cable terminal at hoist and mount perpendicular laying system top of the tower leading wheel in-process effectively reduces the risk that hoist and mount in-process umbilical cable crossed the turn.

Description

Take rotatory limit function's deep water umbilical cable UTH terminal hoisting structure

Technical Field

The utility model relates to an ocean engineering technology field specifically is a rotatory limit function's deep water umbilical cable UTH terminal hoisting structure in area.

Background

The deepwater umbilical cable is used for connecting a water surface platform facility and an underwater production system of a deepwater oil and gas field, and is core equipment in the field of submarine oil and gas exploration and production. The operation depth of water is different, and the suspension tension when flexible pipe cable lays also is different, and the deeper the depth of water, the more the suspension tension of equal specification pipe cable under the same operation environment just is big. Therefore, when laying a deep water umbilical cable, particularly an ultra-deep water umbilical cable, the suspension tension of the underwater pipeline cable is large, and a VLS system is generally adopted for vertical laying.

When the existing crane hoists an umbilical cable terminal through a vertical laying system, if the hoisting tool is large in size and heavy in structure, the operation is difficult, the umbilical cable is easily bent to generate plastic deformation during hoisting, the construction strength is high, the efficiency is low, the cost is high, and the umbilical cable hoisting machine is not suitable for deck operation. For making umbilical cable terminal smoothly through perpendicular laying system's top of the tower leading wheel and accomplish the tension transmission, need design a frock structure for hoist and mount of umbilical cable terminal, promptly the utility model discloses the lifting device who has rotation function can reduce the demand to hanging high, improves umbilical cable terminal trafficability characteristic and maneuverability on perpendicular laying system, and the construction is high-efficient, saves ship day.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory limit function's in area deep water umbilical cable UTH terminal hoisting structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take rotatory limit function's deep water umbilical cable UTH terminal hoisting structure, includes the davit, the davit bottom is rotated and is connected with anchor clamps, the davit includes pipe mechanism, pipe mechanism top fixedly connected with first lug, pipe mechanism bottom both sides fixedly connected with double-deck lug respectively, pipe mechanism is including violently managing, violently manage outer wall bottom both sides fixedly connected with standpipe respectively, violently manage outer wall top and first lug fixed connection, two double-deck lugs are fixed respectively in the bottom of two standpipes.

Preferably, the clamp comprises two semicircular clamping pieces which are matched with each other, two ends of each clamping piece are respectively provided with a limiting support for connecting the two clamping pieces, and two sides of the tops of the clamping pieces, which are far away from the limiting supports, are respectively and fixedly connected with a second lifting lug which is rotatably connected with the double-layer lifting lug.

Preferably, the second lifting lug and the double-layer lifting lug are fixed through a pin, and the first lifting lug is fixed on the outer wall of the transverse pipe in a penetrating mode.

Preferably, the two limiting support sides at one of the joints of the two clamping pieces are respectively and fixedly connected with at least two limiting pore plates, and the limiting pores of the limiting pore plates on different limiting supports are positioned on the same axis.

Preferably, the limiting support which is in contact with the limiting support is connected through a plurality of pins, and the middle part of the outer wall of the clamping piece is provided with a bolt hole.

Preferably, the side surfaces of the two second lifting lugs are fixedly connected with limiting pieces, and the limiting suspension arms of the limiting pieces rotate between 0 and 180 degrees.

Compared with the prior art, the hoisting structure of the deep water umbilical cable UTH terminal with the rotation limiting function has the following beneficial effects:

1. the structure is compact, the size is reduced as much as possible while the requirement of hoisting load is met, and therefore the requirement on the hoisting height of the crane is reduced;

2. the structure is prefabricated and assembled in a split type, so that the difficulty of integral installation on a deck is reduced;

3. the suspension arm can rotate in a set interval, the posture of the umbilical cable terminal in the process of hoisting the umbilical cable terminal over the tower top guide wheel of the vertical laying system is adjusted, and the risk of bending the umbilical cable in the hoisting process can be effectively reduced;

4. the clamp has double locking functions and a rotary limiting device, is not easy to separate from an umbilical cable terminal, is safe and reliable, and can effectively control the suspension arm to freely rotate between 0-180 degrees;

5. the structural strength is high, the load capacity is up to 160 tons, and the transmission of the catenary tension of the 1500-meter ultra-deep water umbilical cable can be completed on a vertical laying system.

Drawings

FIG. 1 is a schematic view of the structure of the utility model in front view during hoisting;

FIG. 2 is a schematic view of a side view structure of the hoisting device of the present invention;

fig. 3 is an isometric view of the present invention;

fig. 4 is an isometric view of a boom portion of the present invention;

fig. 5 is an isometric view of a clamp according to the present invention;

fig. 6 is an isometric view of a clip according to the present invention.

In the figure: 1. a suspension arm; 2. a clamp; 3. a circular tube mechanism; 31. a transverse tube; 32. a vertical tube; 4. a first lifting lug; 5. double-layer lifting lugs; 6. a second lifting lug; 7. limiting the pore plate; 8. a limiting support; 9. a limiting sheet; 10. bolt holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

Examples

The to-be-solved technical problem of the utility model is that deep water umbilical cable is difficult to the problem through laying the system perpendicularly at the umbilical cable terminal UTH hoist and mount frock of laying the in-process perpendicularly.

The utility model provides a technical scheme that its technical problem adopted is: the hoisting structure with the rotation limiting function is designed, the structure is small in size and light in weight, can rotate in a set interval, solves the problems that the hoisting height of a crane is limited and an umbilical cable is easy to bend and damage when passing through a tower top guide wheel of a vertical laying system, and greatly improves the trafficability and operability of an umbilical cable terminal on the vertical laying system.

As shown in fig. 1-6, the utility model provides a technical solution: the utility model provides a take rotatory limit function's deep water umbilical cable UTH terminal hoisting structure, includes davit 1, 1 bottom of davit is rotated and is connected with anchor clamps 2, davit 1 includes pipe mechanism 3, the first lug 4 of 3 top fixedly connected with of pipe mechanism, the double-deck lug 5 of 3 bottom both sides difference fixedly connected with of pipe mechanism, pipe mechanism 3 is including violently managing 31, violently manage 31 outer wall bottom both sides fixedly connected with standpipe 32 respectively, violently manage 31 outer wall tops and 4 fixed connection of first lug, the bottom at two standpipe 32 is fixed respectively to two double-deck lugs 5.

The main body bearing structure of the suspension arm 1 is a circular tube mechanism 3 consisting of three combined circular tubes, the top end of the suspension arm is provided with a first lifting lug penetrating through a tube body, the bottom of the suspension arm is provided with two double-layer lifting lugs 5 which are used for connecting a lower clamp 2 and enabling the suspension arm 1 to rotate around a pin.

It should be noted that the specification and model of the material of the boom 1 and the lower clamp 2 are determined according to the weight of the terminal of the umbilical cable and the load on the working conditions of a suspended VLS system, and the maximum load which can be borne by the boom can be up to 160 tons.

The clamp 2 comprises two semicircular clamping pieces which are mutually adaptive, two ends of each clamping piece are respectively provided with a limiting support 8 for connecting the two clamping pieces, one side of the top of each clamping piece, which is far away from the limiting support 8, is respectively and fixedly connected with a second lifting lug 6, the second lifting lug 6 is rotatably connected with a double-layer lifting lug 5, the second lifting lug 6 is fixed with the double-layer lifting lug 5 through a pin, the first lifting lug 4 is fixed on the outer wall of the transverse pipe 31 in a penetrating manner, the side surfaces of the two limiting support 8 at one joint of the two clamping pieces are respectively and fixedly connected with at least two limiting pore plates 7, limiting pores of the limiting pore plates 7 on different limiting support 8 are positioned on the same axis, the contacted limiting support 8 are connected through a plurality of pins, the middle part of the outer wall of each clamping piece is provided with a bolt hole 10, the side surfaces of the two second lifting lugs 6 are respectively and fixedly connected with a limiting piece 9, and the limiting suspension arm 1 of the limiting piece 9 rotates between 0-180 degrees.

It should be noted that the clamp 2 is composed of two semicircular clamping pieces, and the second lifting lugs 6 on two sides are used for connecting the upper suspension arm 1. During installation, the lifting eye bolt is arranged in the bolt hole 10 on the clamping piece, then the sling is connected to the lifting eye, and the lifting clamping piece is convenient to be arranged on the umbilical cable terminal. After the hoisting structure is assembled, the hoisting eye bolt is disassembled, and water can enter from the bolt hole 10 during deep water operation, so that the internal and external pressures are reduced and balanced. In addition, a double locking device is arranged, each clamping piece is provided with a three-hole pin limiting support 8 for locking the clamping piece, meanwhile, a limiting pore plate 7 extends out of the limiting support 8 in an staggered mode, the limiting pore plate 7 is connected through a screw, and the two semicircular clamping pieces can be aligned and folded by tightening nuts. The second lifting lug 6 is also provided with a limiting piece 9 which can effectively control the boom 1 to rotate between 0-180 degrees, thereby accurately adjusting the posture of the umbilical cable terminal in the process of vertically laying the system.

The steps of the equipment when in use are as follows:

(1) The hoisting structure is mounted on deck to the umbilical termination, eye bolts are mounted to the bolt holes 10 on the semicircular clips, the slings are connected to the eyes, and the clips are lifted to the umbilical termination.

(2) And a limiting pore plate 7 extending from a three-hole pin limiting support 8 aligned with the two semicircular clamping pieces is connected by using a screw rod and then screwed by using a nut to fold the two clamping pieces.

(3) The pins are inserted into three pin limiting supports 8 on two sides of the clamping piece, the clamping piece is locked, and the clamp 2 is assembled to the umbilical cable terminal.

(4) And aligning the second lifting lugs 6 on the two sides of the clamp 2 with the double-layer lifting lugs 5 on the two sides of the bottom end of the suspension arm 1, inserting a pin to connect the clamp 2 with the suspension arm 1, and finishing the installation of the hoisting structure.

The hoisting point of the hoisting arm 1 is connected to the crane through rigging such as a shackle and a sling. The crane lifts the umbilical cable terminal off the deck and lifts the umbilical cable terminal to the tower top guide wheel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a rotatory limit function's deep water umbilical cable UTH terminal hoisting structure in area, includes davit (1), its characterized in that: davit (1) bottom is rotated and is connected with anchor clamps (2), davit (1) is including pipe mechanism (3), the first lug of pipe mechanism (3) top fixedly connected with (4), pipe mechanism (3) bottom both sides are fixedly connected with double-deck lug (5) respectively, pipe mechanism (3) are including violently managing (31), violently manage (31) outer wall bottom both sides fixedly connected with standpipe (32) respectively, violently manage (31) outer wall top and first lug (4) fixed connection, the bottom at two standpipe (32) is fixed respectively in two double-deck lugs (5).

2. The deep water umbilical cable UTH terminal hoisting structure with the rotation limiting function according to claim 1, wherein: the clamp (2) comprises two semicircular clamping pieces which are matched with each other, two ends of each clamping piece are respectively provided with a limiting support (8) for connecting the two clamping pieces, one side of the top of each clamping piece, which is far away from the limiting support (8), is respectively and fixedly connected with a second lifting lug (6), and the second lifting lug (6) is rotatably connected with the double-layer lifting lug (5).

3. The deep water umbilical cable UTH terminal hoisting structure with the rotation limiting function according to claim 2, wherein: the second lifting lug (6) and the double-layer lifting lug (5) are fixed through a pin, and the first lifting lug (4) is fixed on the outer wall of the transverse pipe (31) in a penetrating mode.

4. The deep water umbilical cable UTH terminal hoisting structure with the rotation limiting function according to claim 2, wherein: the side surfaces of the two limiting support seats (8) which are positioned at one of the joints of the two clamping pieces are respectively and fixedly connected with at least two limiting pore plates (7), and the limiting pores of the limiting pore plates (7) which are positioned on different limiting support seats (8) are positioned on the same axis.

5. The deep water umbilical cable UTH terminal hoisting structure with the rotation limiting function according to claim 2, wherein: the limiting support (8) which is contacted is connected through a plurality of pins, and the middle part of the outer wall of the clamping piece is provided with a bolt hole (10).

6. The deep water umbilical cable UTH terminal hoisting structure with the rotation limiting function according to claim 2, wherein: the side surfaces of the two second lifting lugs (6) are fixedly connected with limiting pieces (9), and the limiting pieces (9) limit the boom (1) to rotate between 0 and 180 degrees.

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