CN214883828U

CN214883828U - Connection structure of stake and changeover portion

Info

Publication number: CN214883828U
Application number: CN202120443925.9U
Authority: CN
Inventors: 丁盛; 洪全子; 黄键
Original assignee: Gloco Energy Technology Shanghai Co ltd
Current assignee: Gloco Energy Technology Shanghai Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-26
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a connection structure of stake and changeover portion, the upper end of stake are equipped with first cup jointing portion, and the lower extreme of changeover portion is equipped with second cup jointing portion, is equipped with first inclined plane on the face of cup jointing of first cup jointing portion, is equipped with the second inclined plane on the face of cup jointing of second cup jointing portion, and first inclined plane plays the supporting role to the second inclined plane. Because the weight effect of changeover portion and the upper portion function module of installing in the changeover portion upper end, the axial relative motion between changeover portion and the stake is restricted, in addition, the contact between first inclined plane and the second inclined plane can be inseparabler and tighter, and frictional force also constantly increases, has restricted the relative hoop motion between changeover portion and the stake to realize the stable connection of stake and changeover portion. Compared with the prior art, adopt the utility model discloses a connection structure of stake and changeover portion need not carry out grout or bolted connection operation, can link together stake and changeover portion more conveniently.

Description

Connection structure of stake and changeover portion

Technical Field

The utility model relates to an equipment fixing technical field especially relates to a connection structure of stake and changeover portion.

Background

When the existing offshore fixed wind driven generator is installed, a pile is installed in place firstly, then a crane is used for hoisting the transition section, the transition section is slowly lowered until the lower end of the transition section is sleeved at the corresponding position of the top of the pile, and then grouting or bolt connection is carried out. Such a connection is complicated, time consuming, environmentally polluting and costly. In addition, once a structural safety problem occurs during operation, maintenance costs are enormous.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention provides a connection structure for a pile and a transition section, which can connect the pile and the transition section together more conveniently.

In order to solve the technical problem, the utility model provides a connection structure of stake and changeover portion, the upper end of stake is equipped with first cup jointing portion, the lower extreme of changeover portion is equipped with second cup jointing portion, be equipped with first inclined plane on the cup jointing face of first cup jointing portion, be equipped with the second inclined plane on the cup jointing face of second cup jointing portion, first inclined plane plays the supporting role to the second inclined plane.

Preferably, a first annular part is arranged on the socket surface of the first socket part, and the first inclined surface is positioned on the first annular part.

Further, the first annular member is made of a metal material, and the first annular member is welded to the nesting surface of the first nesting portion.

Preferably, a second annular part is arranged on the sleeve joint surface of the second sleeve joint part, and the second inclined surface is positioned on the second annular part.

Further, the second ring member is made of a metal material, and the second ring member is welded to the mating surface of the second mating portion.

Preferably, a sealing gasket is arranged between the sleeving surface of the first sleeving part and the sleeving surface of the second sleeving part.

As above, the utility model discloses a connection structure of stake and changeover portion has following beneficial effect:

adopt the utility model discloses a connection structure of stake and changeover portion, hoist the changeover portion earlier, horizontal migration arrives the top of stake, slowly put down, the horizontal position of changeover portion is constantly revised simultaneously, guarantee the changeover portion directly over the stake, cup joint mutually until first cup jointing portion and second cup jointing portion, first inclined plane and second inclined plane laminate mutually simultaneously, just can untie the hoist and mount, because the changeover portion with install the weight effect at the upper portion function module of changeover portion upper end, axial relative motion between changeover portion and the stake is restricted, in addition, still because the changeover portion with install the weight effect at the upper portion function module of changeover portion upper end, contact between first inclined plane and the second inclined plane can be more and more inseparable, frictional force also constantly increases, relative hoop motion between changeover portion and the stake has been restricted, thereby realize the stable connection of stake and changeover portion. Compared with the prior art, adopt the utility model discloses a connection structure of stake and changeover portion need not carry out grout or bolted connection operation, can link together stake and changeover portion more conveniently.

Drawings

Fig. 1 is a schematic view of a connection structure of a pile and a transition section according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a pile and a transition section according to another embodiment of the present invention.

Description of the reference numerals

1 pile

2 first engaging part

201 first inclined plane

210 first ring member

220 third ring-shaped element

3 transition section

4 second socket joint part

401 second inclined plane

410 second annular member

420 fourth annular member

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.

As shown in fig. 1-2, the utility model provides a connection structure of stake and changeover portion, the upper end of stake 1 is equipped with first grafting portion 2, and the lower extreme of changeover portion 3 is equipped with second grafting portion 4, is equipped with first inclined plane 201 on the face of cup jointing of first grafting portion 2, is equipped with second inclined plane 401 on the face of cup jointing of second grafting portion 4, and first inclined plane 201 plays the supporting role to second inclined plane 401.

By adopting the connection structure of the pile and the transition section, the transition section 3 is firstly hoisted, horizontally moved to the upper part of the pile 1 and slowly put down, meanwhile, the horizontal position of the transition section 3 is continuously corrected, the transition section 3 is ensured to be right above the pile 1 until the first sleeving part 2 and the second sleeving part 4 are sleeved, and the first inclined surface 201 and the second inclined surface 401 are jointed, so that the hoisting can be released, due to the weight effect of the transition piece 3 and the upper functional module mounted at the upper end of the transition piece 3, the axial relative movement between the transition piece 3 and the pile 1 is limited, in addition, still because the weight effect of changeover portion 3 and the upper portion function module of installing in changeover portion 3 upper end, the contact between first inclined plane 201 and second inclined plane 401 can be inseparabler and tighter, and frictional force also constantly increases, has restricted the relative annular motion between changeover portion 3 and stake 1 to realize stake 1 and the stable of changeover portion 3 and be connected. Compared with the prior art, adopt the utility model discloses a connection structure of stake and changeover portion need not carry out grout or bolted connection operation, can link together stake 1 and changeover portion 3 more conveniently.

As a preferred embodiment, the socket surface of the first socket part 2 in this embodiment is provided with a first ring-shaped element 210, and the first inclined surface 201 is located on the first ring-shaped element 210. First loop forming element 210 can promote the compactness that first portion of cup jointing 2 and second portion of cup jointing 4 cup jointed for be difficult to appear the pine between first portion of cup jointing 2 and the second portion of cup jointing 4 and take off, promote the stability of being connected between stake 1 and the changeover portion 3.

Specifically, the first ring member 210 in this embodiment is made of a metal material, and the first ring member 210 is welded to the mating surface of the first mating portion 2. This makes the first ring 210 less likely to loosen and also makes the entire pile-to-transition connection easier to manufacture.

In a preferred embodiment, the second annular member 410 is disposed on the socket surface of the second socket portion 4, and the second inclined surface 401 is disposed on the second annular member 410. Likewise, the tightness of the socket connection of the first socket connection portion 2 and the second socket connection portion 4 can be improved by the second ring member 410, so that the first socket connection portion 2 and the second socket connection portion 4 are not easy to loosen, and the stability of the connection between the pile 1 and the transition section 3 is improved.

Specifically, the second annular member 410 in this embodiment is made of a metal material, and the second annular member 410 is welded to the mating surface of the second mating portion 4. This makes the second annular member 410 less likely to come loose and also makes the overall pile-to-transition section connection easier to manufacture.

As a preferred embodiment, a sealing gasket is disposed between the socket surface of the first socket part 2 and the socket surface of the second socket part 4 in this embodiment. Sealing washer can guarantee whole connection structure's leakproofness, prevents that sea water or rainwater from getting into the region between first grafting portion 2 and the second grafting portion 4 and arousing the corrosion.

Example one

As shown in fig. 1, the side wall of the first engaging portion 2 in this embodiment is inclined and is in a reduced shape; the side wall of the second sleeving part 4 is also obliquely arranged and is flared. Second box portion 4 cup joints on first box portion 2, and first loop forming element 210 welds the lower extreme at the lateral surface of first box portion 2, and second loop forming element 410 welds the lower extreme at the medial surface of second box portion 4, and first inclined plane 201 that is located on first loop forming element 210 is laminated with second inclined plane 401 that is located on second loop forming element 410 mutually. Specifically, in order to realize the stable socket joint of the first socket joint part 2 and the second socket joint part 4, the upper end of the outer side surface of the first socket joint part 2 in the embodiment is further provided with a third ring-shaped part 220, the upper end of the inner side surface of the second socket joint part 4 is further welded with a fourth ring-shaped part 420, and the third ring-shaped part 220 is attached to the fourth ring-shaped part 420. Specifically, for the convenience of installation, the abutting surfaces of the third ring member 220 and the fourth ring member 420 in this embodiment are vertical surfaces. The third ring member 220 in this embodiment is made of a rubber material, and the third ring member 220 functions as a sealing gasket, so that rainwater can be prevented from entering the region between the first and

second nesting portions

2 and 4 to cause rusting.

Example two

As shown in fig. 2, in the present embodiment, the inner diameter of the first sleeved portion 2 is larger than the outer diameter of the second sleeved portion 4, both the first sleeved portion 2 and the second sleeved portion 4 are cylindrical, and the first sleeved portion 2 is sleeved on the second sleeved portion 4. The first ring-shaped member 210 is welded at the lower end of the inner side surface of the first sleeving part 2, the second inclined surface 401 is positioned at the lower end of the outer side surface of the second sleeving part 4, and the second inclined surface 401 is attached to the first inclined surface 201 positioned on the first ring-shaped member 210. Specifically, in order to realize the stable cup joint of first portion of cup jointing 2 and second portion of cup jointing 4, the upper end of the lateral surface of second portion of cup jointing 4 in this embodiment still is equipped with fourth loop spare 420, and fourth loop spare 420 is laminated mutually with the upper end of the medial surface of first portion of cup jointing 2. Specifically, for the convenience of installation, the abutting surfaces of the fourth ring-shaped member 420 and the first sleeving part 2 in this embodiment are vertical surfaces. The fourth ring 420 in this embodiment is made of a rubber material, and the fourth ring 420 functions as a sealing gasket, so that rainwater can be prevented from entering the area between the first and second

sleeving parts

2 and 4 to cause rusting.

In the prior art, the installation process of grouting or bolt connection is complex and long in time consumption, and the corresponding installation cost is high. In addition, when structural damage occurs during operation in grouting or bolting and repair is required, repair of the joint is very complicated. Compared with the prior art, the utility model discloses: 1) only hoisting is needed, and the installation time is short; 2) limiting the relative displacement between the transition section 3 and the pile 1 by using the self weights of the transition section 3 and the upper functional module; 3) and the connection performance is continuously increased along with time within a period of time after the installation is finished, and the friction force between corresponding contact surfaces is also increased; 4) from the design perspective, the utility model discloses a material all is steel, and is safer stable than grout and bolt, consequently need not to maintain during the operation. The utility model has the advantages of structural style is simple, the installation is swift, connection performance is good, need not the operation and maintain, can be applied to the stake 1 of marine fixed aerogenerator and fixed platform and be connected with changeover portion 3.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A connection structure of stake and changeover portion which characterized in that: the upper end of stake is equipped with first cup jointing portion, the lower extreme of changeover portion is equipped with second cup jointing portion, be equipped with first inclined plane on the cup jointing face of first cup jointing portion, be equipped with the second inclined plane on the cup jointing face of second cup jointing portion, first inclined plane plays the supporting role to the second inclined plane.

2. A pile and transition section connection according to claim 1, wherein: the first annular piece is arranged on the sleeve joint face of the first sleeve joint portion, and the first inclined face is located on the first annular piece.

3. A pile and transition section connection according to claim 2, wherein: the first annular piece is made of a metal material and is welded on the sleeving surface of the first sleeving part.

4. A pile and transition section connection according to claim 1 or 2, wherein: and a second annular part is arranged on the sleeve joint surface of the second sleeve joint part, and the second inclined surface is positioned on the second annular part.

5. A pile and transition section connection according to claim 4, wherein: the second annular member is made of a metal material and is welded to the sleeving surface of the second sleeving part.

6. A pile and transition section connection according to claim 1, wherein: and a sealing gasket is arranged between the sleeve joint surface of the first sleeve joint part and the sleeve joint surface of the second sleeve joint part.