CN218757379U

CN218757379U - Offshore platform spud leg butt joint buffer

Info

Publication number: CN218757379U
Application number: CN202223190797.5U
Authority: CN
Inventors: 张春翔; 宋放
Original assignee: Liaoning Futai Chemical Machinery Co ltd
Current assignee: Liaoning Futai Chemical Machinery Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-28
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a marine platform spud leg butt joint buffer, including outer barrel, the inner chamber fixedly connected with stem of outer barrel, the bottom fixedly connected with butt joint frame of stem, the even fixedly connected with support frame of lateral wall of stem, the top of support frame and lateral wall respectively with evenly be equipped with first buffer gear and second buffer gear between the inner chamber of cushion chamber. The annular body and the annular groove are additionally arranged in the first buffer mechanism, the spring is arranged in the second buffer body of the second buffer mechanism, the structural strength of the first buffer mechanism and the structural strength of the second buffer mechanism are enhanced under the condition that the volumes of the first buffer mechanism and the second buffer mechanism are not increased through the improvement of the first buffer mechanism and the second buffer mechanism, the deformation resistance of the first buffer mechanism and the second buffer mechanism is improved, the long service life of the first buffer mechanism and the second buffer mechanism can be ensured, and the buffering and damping effects of the first buffer mechanism and the second buffer mechanism on the offshore platform can be ensured for a long time.

Description

Offshore platform spud leg butt joint buffer

Technical Field

The utility model relates to an offshore platform assembly technical field, concretely relates to offshore platform spud leg butt joint buffer.

Background

An offshore platform is a truss structure with a horizontal plane above the sea surface for production operations or other activities. Offshore platforms are typically assembled by pre-burying the legs used to support the offshore platform in the sea floor and then landing the platform on top of the legs used for support by a floating crane on a tug boat. The existing offshore platform has a large weight of tens of thousands of tons, so that a pile leg is greatly vibrated in the assembling process, and the pile leg or a connection part between the platform and the pile leg is damaged due to vibration. The existing buffer structure arranged between the pile leg and the offshore platform realizes the buffer damping strength angle in the vertical and horizontal directions when the existing buffer structure is used, and the corresponding buffer body is easy to deform after the shock occurs, so that the subsequent buffer damping effect in the use process is influenced. To this end, we propose an offshore platform leg docking buffer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an offshore platform spud leg docks buffer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pile leg butt joint buffer of an offshore platform comprises an outer barrel, wherein the outer barrel is sequentially provided with a butt joint cavity and a buffer cavity from top to bottom, a core column is fixedly connected to the inner cavity of the outer barrel, a butt joint frame is fixedly connected to the bottom end of the core column, a support frame is uniformly and fixedly connected to the side wall of the core column, and a first buffer mechanism and a second buffer mechanism are uniformly assembled between the top and the side wall of the support frame and the inner cavity of the buffer cavity respectively;

first buffer gear includes the skeleton, the quantity of skeleton is two, two the skeleton is upper and lower symmetric distribution, two be equipped with first buffering body between the skeleton, the upper and lower surface of first buffering body is integrated into one piece annular body respectively, the annular body joint is to the ring channel in, the lateral wall at the skeleton is seted up to the ring channel.

Preferably, the second buffer mechanism comprises a second buffer body, a rib plate is embedded in the second buffer body, and a buffer hole penetrating through the second buffer body is formed in the side wall of the second buffer body.

Preferably, the number of the rib plates is two, the two rib plates are distributed in an internal-external symmetrical mode, and a spring is assembled and fixed between the two rib plates.

Preferably, the second buffer mechanisms are circumferentially and uniformly distributed by taking the core column as a center.

Preferably, the butt joint cavity is uniformly and fixedly connected with a butt joint plate, and the top of the butt joint plate is provided with an arc-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an offshore platform spud leg butt joint buffer, the inner chamber that sets up at outer barrel is provided with first buffer gear and second buffer gear with support frame matched with, redesign to first buffer gear and second buffer gear, when using first buffer gear and second buffer gear to carry out shock attenuation in traditional perpendicular and horizontal direction, add ring form and ring channel in first buffer gear, through ring form and ring channel increase the bonding area between first buffer gear and the skeleton, be provided with the spring in the second buffer gear of second buffer gear simultaneously, through the improvement to first buffer gear and second buffer gear, under the condition that does not increase first buffer gear and second buffer gear volume, strengthen the structural strength of first buffer gear and second buffer gear, improve the anti deformability of first buffer gear and second buffer gear, make it can guarantee longer life, guarantee its buffering effect to offshore platform in a long time.

Drawings

Fig. 1 is a front cross-sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the first buffer mechanism of the present invention.

Fig. 3 is a detailed view of fig. 2 at a.

Fig. 4 is a schematic structural diagram of the second buffer mechanism of the present invention.

Fig. 5 is a top view of the second buffer mechanism of the present invention.

Fig. 6 is a schematic diagram of a distribution structure of the second buffer mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the present invention.

In the figure: 1. outer barrel, 2, butt joint chamber, 3, cushion chamber, 4, stem, 5, butt joint frame, 6, support frame, 7, first buffer gear, 71, skeleton, 72, first buffer body, 73, the ring body, 74, ring channel, 8, second buffer gear, 81, second buffer body, 82, gusset, 83, buffering hole, 84, spring, 9, butt joint board, 10, arc wall.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an offshore platform spud leg butt joint buffer, includes outer barrel 1, and the inner chamber of outer barrel 1 divide into butt joint chamber 2 and cushion chamber 3, and the department integrated into one piece has stem 4 at the center of cushion chamber 3, and the bottom welded fastening of stem 4 has butt joint frame 5, and the butt joint mouth that is "toper" is seted up to butt joint frame 5's bottom, and butt joint frame 5 is connected fixedly through the toper mouth of bottom and the spud leg that is located the seabed.

The support frames 6 are uniformly welded and fixed on the side walls of the core columns 4, the overall strength of the outer barrel body 1 is enhanced through the matching of the support frames 6 and the core columns 4, the impact force brought by the offshore platform in the assembling process is conveniently borne, and the stability of the outer barrel body 1 in the stressed process is kept and deformation cannot occur.

Evenly be equipped with first buffer gear 7 between the top of support frame 6 and cushion chamber 3, and evenly be equipped with second buffer gear 8 between the lateral wall of support frame 6 and the inner chamber lateral wall of outer barrel 1, first buffer gear 7 provides the ascending buffering of vertical direction for support frame 6 and outer barrel 1, reduce the vibrations that outer barrel 1 received on the vertical direction, second buffer gear 8 carries out the ascending buffering of horizontal direction between outer barrel 1 and the support frame 6, reduce the marine platform and in the assembly process produced vibrations on the horizontal direction.

As shown in fig. 2, the first buffer mechanism 7 is composed of a framework 71 which is symmetrically distributed up and down, the framework 71 is sleeved on the outer wall of the core column 4, a first buffer body 72 is fixedly connected between the two frameworks 71, the framework 71 is a steel plate made of steel material, and the first buffer body 72 is made of high-performance rubber material, so that the buffer and shock absorption performance is ensured to be strong. As shown in fig. 3, annular bodies 73 are integrally formed on the upper and lower surfaces of the first buffer body 72, the annular bodies 73 are clamped into annular grooves 74 formed in the corresponding positions of the side walls of the framework 71, and by matching the annular bodies 73 with the annular grooves 74, the bonding area between the first buffer body 72 and the framework 71 is increased without increasing the volume, so that the bonding strength between the first buffer body 72 and the framework 71 is improved, and the overall rigidity of the first buffer mechanism 7 is improved.

As shown in fig. 4, the second buffer mechanism 8 is composed of a second buffer body 81 and rib plates 82, a buffer hole 83 penetrating through the second buffer body 81 is formed in the second buffer body 81, the rib plates 82 are embedded in an inner cavity of the second buffer body 81, and in the process of butting the offshore platform and the seabed spud leg, the buffer and shock absorption of the support frame 6 and the outer cylinder 1 in the horizontal direction are completed through the cooperation of the second buffer body 81 and the buffer hole 83, and the second buffer body 81 is made of high-quality high-modulus polyurethane material, so that the second buffer mechanism has a better buffer effect.

As shown in fig. 5, the rib plates 82 are embedded inside and outside in the inner cavity of the second buffer body 81, the spring 84 is assembled between the two rib plates 82, the spring 84 is symmetrically distributed in front and back direction with the center of the buffer hole 83, and the spring is additionally arranged in the inner cavity of the second buffer body 81 to increase the strength and rigidity of the second buffer body 81, so that the second buffer body is not easy to deform in a long-time use process, and has a better effect of buffering and damping stress in the horizontal direction.

As shown in fig. 6, the second buffer mechanisms 8 are circumferentially and uniformly distributed at the axial center of the core column 4, and the buffer and shock absorption between the support frame 6 and the inner cavity side wall of the outer cylinder 1 are fully performed through the uniformly arranged second buffer mechanisms 8.

As shown in fig. 1 and fig. 7, the butt-joint plates 9 are uniformly welded and fixed in the butt-joint cavity 2 at the top of the outer cylinder 1, the butt-joint plates 9 are circumferentially and uniformly distributed at the axis of the core column 4, the arc-shaped groove 10 is formed in the surface of each butt-joint plate 9, and when the offshore platform is in butt joint with the outer cylinder 1 by arranging the arc-shaped groove 10, the spherical connecting and supporting part at the bottom enters the butt-joint cavity 2, so that the butt-joint plates 9 can be uniformly stressed.

The working principle is as follows: when assembling the offshore platform fixedly, earlier with the utility model discloses be connected fixedly with the spud leg that is located the seabed, butt joint frame 5 is used for with the butt joint assembly of spud leg, follow-up with the offshore platform in the butt joint chamber 2 that removes to outer barrel 1 top with the floating crane on the tug, at the in-process of offshore platform whereabouts, through the cooperation of first buffer gear 7 in outer barrel 1 and second buffer gear 8, the shock attenuation is cushioned with the vibrations on the horizontal direction on the vertical direction that outer barrel 1 and support frame 6 received respectively, guarantee the stability of assembly connection in-process between offshore platform and the seabed spud leg.

Claims

1. The utility model provides an offshore platform spud leg docks buffer, includes outer barrel (1), its characterized in that: the outer barrel (1) is sequentially provided with a butt joint cavity (2) and a buffer cavity (3) from top to bottom, an inner cavity of the outer barrel (1) is fixedly connected with a core column (4), the bottom end of the core column (4) is fixedly connected with a butt joint frame (5), the side wall of the core column (4) is uniformly and fixedly connected with a support frame (6), and a first buffer mechanism (7) and a second buffer mechanism (8) are uniformly assembled between the top and the side wall of the support frame (6) and the inner cavity of the buffer cavity (3) respectively;

first buffer gear (7) are including skeleton (71), the quantity of skeleton (71) is two, two skeleton (71) are upper and lower symmetric distribution, two be equipped with first buffering body (72) between skeleton (71), the upper and lower surface of first buffering body (72) integrated into one piece respectively has annular body (73), annular body (73) joint is to ring channel (74) in, the lateral wall at skeleton (71) is seted up in ring channel (74).

2. The offshore platform leg docking buffer of claim 1, wherein: the second buffer mechanism (8) comprises a second buffer body (81), a rib plate (82) is embedded in the second buffer body (81), and a buffer hole (83) penetrating through the second buffer body (81) is formed in the side wall of the second buffer body (81).

3. The offshore platform leg docking buffer of claim 2, wherein: the number of the rib plates (82) is two, the two rib plates (82) are symmetrically distributed inside and outside, and a spring (84) is assembled and fixed between the two rib plates (82).

4. The offshore platform leg docking buffer of claim 1, wherein: the second buffer mechanisms (8) are circumferentially and uniformly distributed by taking the core column (4) as a center.

5. The offshore platform leg docking buffer of claim 1, wherein: the butt joint cavity (2) is internally and uniformly and fixedly connected with a butt joint plate (9), and the top of the butt joint plate (9) is provided with an arc-shaped groove (10).