CN211256929U

CN211256929U - Damping device for mounting floating support of ocean platform

Info

Publication number: CN211256929U
Application number: CN201921446250.2U
Authority: CN
Inventors: 史本宁; 刘斌; 刘涛; 肖杰; 吕鑫; 赵健
Original assignee: CCCC Tianjin Dredging Co Ltd; CCCC TDC Southern Communications Construction Co Ltd
Current assignee: CCCC Tianjin Dredging Co Ltd; CCCC TDC Southern Communications Construction Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-08-14
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a damping device for mounting is held in palm to platform floating, including outer sleeve and lower connecting block, outer sleeve inner wall is from last to first diaphragm of fixedly connected with and second diaphragm down in proper order, first diaphragm upper end lateral wall fixedly connected with inner skleeve, install the strutting arrangement that supports that cushions internal sleeve on the inner skleeve. The utility model discloses case setting and wedge plate complex wedge pole, connecting block and last connecting block bump down, make two wedge boards of wedge pole extrusion move to both sides, thereby make L type support shift up the support that cushions internal sleeve, cushion the collision between last connecting block and the lower connecting block, pass through fourth spring and damper cylinder elastic connection through the shock absorber pole, the impact that can receive internal sleeve cushions, avoid going up the too big impact to the platform structure influence of impact between connecting block and the lower connecting block.

Description

Damping device for mounting floating support of ocean platform

Technical Field

The utility model relates to an offshore oil engineering technical field especially relates to a damping device that is used for platform to float and holds in palm installation.

Background

In offshore oil development projects, offshore oil production platforms are often used, the structure of which comprises: the lower foundation and the upper block are generally installed by a floating installation method in the offshore installation process of the upper block, that is, the method comprises the following steps: in order to alleviate the collision between the upper block and the lower foundation, a damping device needs to be installed at the structural butt joint between the upper block and the lower foundation during the float-over installation process to alleviate the collision between the upper block and the lower foundation by adjusting the height of the upper block relative to the lower foundation on the transport ship to transfer the load of the upper block to the lower foundation.

The current damping device for offshore platform floatover installation is as in application No. 20172031445

2.6 in the utility model entitled "damping device for mounting a floating support of an ocean platform", the influence of the temperature change generated by a heating device on the rubber performance of a support block inside a leg coupler further increases the compression displacement of a vertical damping block, so that the distance between an insertion point part and a steel cylinder part is gradually reduced to the mutual contact between the insertion point part and the steel cylinder part, thereby relieving the collision between an upper connecting block and a lower connecting block, but because the damping device is applied underwater, the danger of adopting an electrified heating mode is large, and the characteristic of thermal expansion of the damping block is adopted to buffer and damp the collision between the upper connecting block and the lower connecting block, so that the expansion of the damping block cannot be accurately controlled, the collision between the upper connecting block and the lower connecting block can only be limited to buffer and damp, or the larger collision between the upper connecting block and the lower connecting block can be caused, may have an impact on the platform structure.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art, and providing a damping device for the floating support installation of an ocean platform.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a damping device for mounting of ocean platform floating support, including outer sleeve and lower connecting block, outer sleeve inner wall is from last to first diaphragm of fixedly connected with and second diaphragm down in proper order, first diaphragm upper end lateral wall fixedly connected with inner skleeve, the connecting block passes through bolt fixed connection with inner skleeve inner wall down, a plurality of first springs of inner skleeve outer wall equipartition fixedly connected with, it is a plurality of first spring keeps away from the one end and the outer sleeve inner wall sliding connection of inner skleeve outer wall, install the strutting arrangement who cushions the support to the inner skleeve on the inner skleeve.

Preferably, the supporting device comprises two L-shaped brackets, the outer wall of the inner sleeve is symmetrically provided with grooves, the side walls of the two L-shaped brackets are elastically connected with the side wall at the upper end of the groove through second springs, the side wall at the lower end of the L-shaped bracket penetrates through the side wall of the first transverse plate and extends to the lower part of the first transverse plate, and a driving device for driving the L-shaped brackets to move is installed on the second transverse plate.

Preferably, drive arrangement includes the wedge of symmetry sliding connection at second diaphragm upper end lateral wall, one side that the wedge is close to the outer sleeve inner wall is rotated and is connected with the horizontal pole, the one end and the L type support lower extreme lateral wall rotation connection that the wedge was kept away from to the horizontal pole, first diaphragm lower extreme lateral wall fixedly connected with and wedge complex wedge pole, install on the wedge and cushion absorbing damper to the inner sleeve.

Preferably, damper includes the damper of sliding connection at wedge-shaped plate upper end lateral wall, the bottom has the shock attenuation pole through third spring elastic connection in the damper, shock attenuation pole upper end and first diaphragm lower extreme lateral wall fixed connection.

Preferably, the side wall of the lower end of the lower connecting block is communicated with a sliding plug cylinder, the inner wall of the sliding plug cylinder is connected with a sliding plug in a sliding mode, and the side wall of the lower end of the sliding plug is elastically connected with the inner bottom of the inner sleeve through a fourth spring.

Preferably, the joint gap between the lower connecting block and the inner wall of the inner sleeve is provided with shock-absorbing foam.

The utility model discloses following beneficial effect has:

1. by arranging the wedge-shaped rod matched with the wedge-shaped plate, when the lower connecting block collides with the upper connecting block, the inner sleeve can move downwards, so that the wedge-shaped rod extrudes the two wedge-shaped plates to move towards two sides, the L-shaped bracket moves upwards to buffer and support the inner sleeve, the collision between the upper connecting block and the lower connecting block is buffered, and the influence of overlarge collision force between the upper connecting block and the lower connecting block on a platform structure is avoided;

2. the shock absorption rod is fixedly connected to the lower end of the first transverse plate and is elastically connected with the shock absorption barrel through the third spring, so that the impact force on the inner sleeve can be buffered, and the overlarge impact force between the upper connecting block and the lower connecting block is avoided;

3. through the shock attenuation foam that sets up connecting block and inner skleeve inner wall joint gap department under, can slow down the impact to the inner skleeve when bumping between last connecting block and the lower connecting block, avoid going up the too big impact that constitutes the influence to the platform structure of impact between connecting block and the lower connecting block.

Drawings

Fig. 1 is a schematic structural view of a damping device for mounting a floating platform of an ocean platform according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the overlooking structure of the damping device for the floating support installation of the ocean platform provided by the utility model.

In the figure: the damping device comprises an outer sleeve 1, a lower connecting block 2, an inner sleeve 3, a first transverse plate 4, a second transverse plate 5, a wedge-shaped plate 6, a transverse rod 7, a wedge-shaped rod 8, a 9L-shaped support, a groove 10, a second spring 11, a first spring 12, a sliding plug 13, a fourth spring 14, a damping cylinder 15, a third spring 16 and a damping rod 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the damping device for installation of the floating support of the ocean platform comprises an outer sleeve 1 and a lower connecting block 2, wherein the side wall of the lower end of the lower connecting block 2 is communicated with a sliding plug cylinder, the inner wall of the sliding plug cylinder is connected with a sliding plug 13 in a sliding manner, the side wall of the lower end of the sliding plug 13 is elastically connected with the bottom in the inner sleeve 3 through a fourth spring 14, the inner wall of the outer sleeve 1 is fixedly connected with a first transverse plate 4 and a second transverse plate 5 from top to bottom in sequence, the side wall of the upper end of the first transverse plate 4 is fixedly connected with the inner sleeve 3, the lower connecting block 2 is fixedly connected with the inner wall of the inner sleeve 3 through bolts, damping foam is arranged at a connecting gap between the lower connecting block 2 and the inner wall of the inner sleeve 3, the damping foam is made of damping polyurethane foam, the damping foam is semi-rigid foam, has high compression, one ends of the first springs 12 far away from the outer wall of the inner sleeve 3 are connected with the inner wall of the outer sleeve 1 in a sliding way, and the first springs 12 can buffer the collision force received by the inner sleeve 3 in the horizontal direction.

Install on the inner skleeve 3 and carry out the strutting arrangement who cushions the support to inner skleeve 3, strutting arrangement includes two L type support 9, recess 10 is seted up to inner skleeve 3 outer wall symmetry, two L type support 9 lateral walls pass through second spring 11 and recess 10 upper end lateral wall elastic connection, L type support 9 cushions the support to inner skleeve 3 under the effect of second spring 11, L type support 9 lower extreme lateral wall runs through first diaphragm 4 lateral walls and extends to its below, install the drive arrangement that drive L type support 9 removed on the second diaphragm 5.

Drive arrangement includes that symmetry sliding connection is at the wedge 6 of 5 upper end lateral walls of second diaphragm, and one side that wedge 6 is close to 1 inner wall of outer sleeve rotates and is connected with horizontal pole 7, and the one end that wedge 6 was kept away from to horizontal pole 7 rotates with L type support 9 lower extreme lateral wall to be connected, and the lateral wall fixedly connected with of 4 lower extreme lateral walls of first diaphragm is connected with wedge 8 with 6 complex wedges of wedge, installs on the wedge 6 and cushions absorbing damper to inner sleeve 3.

Damper includes shock tube 15 of sliding connection at the lateral wall of 6 upper ends of wedge-shaped plate, and the bottom has shock-absorbing rod 17 through 16 elastic connection of third spring in shock tube 15, and shock-absorbing rod 17 upper end and the lower extreme lateral wall fixed connection of first diaphragm 4.

The utility model discloses in, when last connecting block collides with lower connecting block 2, the shock pad can carry out preliminary buffering to the collision force, remaining collision force can make inner skleeve 3 downstream, this moment, the shock attenuation can be cushioned to the collision force of inner skleeve 3 to shock absorber 17, in addition, along with inner skleeve 3 downstream, wedge-shaped rod 8 can extrude wedge 6 and remove to both sides, make L type support 9 move up under the effect of horizontal pole 7, move down of inner skleeve 3 and cushion the support under the effect of second spring 11, thereby the collision force that receives inner skleeve 3 cushions, and then cushion the collision force between last connecting block and lower connecting block 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A damping device for mounting of ocean platform floating support, including outer sleeve (1) and lower connecting block (2), its characterized in that, outer sleeve (1) inner wall is from last to first diaphragm (4) and the second diaphragm (5) of fixedly connected with down in proper order, lateral wall fixedly connected with inner skleeve (3) in first diaphragm (4) upper end, connecting block (2) pass through bolt fixed connection with inner skleeve (3) inner wall down, a plurality of first spring (12) of inner skleeve (3) outer wall equipartition fixedly connected with, a plurality of the one end and outer sleeve (1) inner wall sliding connection of inner skleeve (3) outer wall are kept away from in first spring (12), install the strutting arrangement who carries out the cushion support to inner skleeve (3) on inner skleeve (3).

2. The damping device for the floating support installation of the ocean platform according to claim 1, wherein the supporting device comprises two L-shaped brackets (9), the outer wall of the inner sleeve (3) is symmetrically provided with grooves (10), the side walls of the two L-shaped brackets (9) are elastically connected with the side wall at the upper end of each groove (10) through second springs (11), the side wall at the lower end of each L-shaped bracket (9) penetrates through the side wall of the first transverse plate (4) and extends to the lower part of the first transverse plate, and a driving device for driving the L-shaped brackets (9) to move is installed on the second transverse plate (5).

3. The damping device for the installation of the offshore platform floating support according to claim 2, wherein the driving device comprises a wedge-shaped plate (6) which is symmetrically and slidably connected to the upper end side wall of the second transverse plate (5), one side, close to the inner wall of the outer sleeve (1), of the wedge-shaped plate (6) is rotatably connected with a cross rod (7), one end, far away from the wedge-shaped plate (6), of the cross rod (7) is rotatably connected with the lower end side wall of the L-shaped support (9), the lower end side wall of the first transverse plate (4) is fixedly connected with a wedge-shaped rod (8) matched with the wedge-shaped plate (6), and a damping mechanism for buffering and damping the inner sleeve (3) is installed on the wedge-shaped plate (.

4. The damping device for the floating installation of the offshore platform is characterized in that the damping mechanism comprises a damping cylinder (15) which is slidably connected to the side wall of the upper end of the wedge-shaped plate (6), a damping rod (17) is elastically connected to the inner bottom of the damping cylinder (15) through a third spring (16), and the upper end of the damping rod (17) is fixedly connected to the side wall of the lower end of the first transverse plate (4).

5. The damping device for the floating installation of the offshore platform according to claim 1, wherein the lower end side wall of the lower connecting block (2) is communicated with a sliding plug cylinder, the inner wall of the sliding plug cylinder is connected with a sliding plug (13) in a sliding manner, and the lower end side wall of the sliding plug (13) is elastically connected with the inner bottom of the inner sleeve (3) through a fourth spring (14).

6. The damping device for offshore platform floatover installation according to claim 1, wherein the lower connecting block (2) is provided with damping foam at the connecting gap with the inner wall of the inner sleeve (3).