CN211040085U

CN211040085U - Marine rubber expansion joint

Info

Publication number: CN211040085U
Application number: CN201922243920.7U
Authority: CN
Inventors: 陈奎
Original assignee: Jiangsu Kuize Mechanical Industry Co ltd
Current assignee: Jiangsu Kuize Mechanical Industry Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-17
Anticipated expiration: 2029-12-13

Abstract

The application discloses marine rubber expansion joint, include the cylindricality barrel by rubber integrated into one piece, cylindricality barrel middle part is formed with the annular circular arc along horizontal outside protruding the stretching, the cylindricality barrel both ends outside is respectively to protruding stretching in opposite directions and is formed with the annular sand grip of symmetry, cylindricality barrel both ends terminal surface inboard is concave respectively and is established and be formed with first ring channel, cylindricality barrel both ends terminal surface outside is concave respectively and is established and be formed with the second ring channel. The utility model discloses a characteristic of annular circular arc and material itself realizes compensation axial, horizontal and angle displacement.

Description

Marine rubber expansion joint

Technical Field

The application relates to an expansion joint, in particular to a marine rubber expansion joint.

Background

An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine rubber expansion joint.

In order to achieve the above object, the present invention provides the following technical solutions.

The embodiment of the application discloses marine rubber expansion joint, include the cylindricality barrel by rubber integrated into one piece, cylindricality barrel middle part is formed with the annular circular arc along horizontal outside protruding the stretching, cylindricality barrel both ends outside is respectively to protruding stretching in opposite directions and is formed with the annular sand grip of symmetry, cylindricality barrel both ends terminal surface inboard is concave respectively and is formed with first ring channel, cylindricality barrel both ends terminal surface outside is concave respectively and is established and be formed with the second ring channel.

Preferably, the marine rubber expansion joint further includes a connecting flange, a third annular groove for engaging with the annular convex strip is formed on the inner side of the connecting flange, and a plurality of bolt holes are uniformly distributed on the outer side of the connecting flange along the circumferential direction.

Preferably, in the above rubber expansion joint for a ship, the outer diameter of the cylindrical barrel in the circular arc is larger than the outer diameter of the end face thereof.

Preferably, in the above-described rubber expansion joint for a ship, the rubber expansion joint is formed by melting NBR rubber embedded steel wires.

Compared with the prior art, the utility model has the advantages of: the product is specially matched with a ship system, is suitable for environments such as seawater, fresh water, drinking water, oil and the like, and has the application temperature of less than or equal to 200 ℃. The large-displacement compensation capacity can be realized, the axial, transverse and angular displacement compensation can be realized, and the noise reduction, the vibration reduction and certain corrosion resistance are realized. The vibration absorption and noise reduction device has the characteristics of high pressure resistance, good elasticity, large displacement, good vibration absorption and noise reduction effects, convenience in installation and the like.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of a rubber expansion joint for a ship according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the 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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the marine rubber expansion joint includes a cylindrical barrel 100 integrally formed from rubber, wherein an annular arc 101 is formed in the middle of the cylindrical barrel 100 by extending outward in a transverse direction, symmetrical annular protruding strips 102 are formed on the outer sides of two ends of the cylindrical barrel 100 by extending outward in opposite directions, a first annular groove 103 is formed on the inner side of the end surface of each end of the cylindrical barrel 100, and a second annular groove 104 is formed on the outer side of the end surface of each end of the cylindrical barrel 100. The connecting flange structure further comprises a connecting flange 200, a third annular groove 201 for clamping the annular convex strip 102 is formed in the inner side of the connecting flange 200, and a plurality of bolt holes 202 are uniformly distributed in the outer side of the connecting flange along the circumferential direction. The outer diameter of the cylindrical barrel 100 in the circular arc 101 is larger than that of the end surface. It is made up by using NBR rubber and embedded steel wire through the process of melting.

Among this technical scheme, be connected through flange and the place of required installation expansion joint, because be formed with first ring channel and second ring channel on the terminal surface respectively, can block the body of waiting to connect at first ring channel, also can block at the second ring channel, can adapt to different size structures, realize compensating axial, horizontal and angle displacement through the characteristic of annular circular arc and material itself. The product is specially matched with a ship system, is suitable for environments such as seawater, fresh water, drinking water, oil and the like, and has the application temperature of less than or equal to 200 ℃. The large-displacement compensation capacity can be realized, the axial, transverse and angular displacement compensation can be realized, and the noise reduction, the vibration reduction and certain corrosion resistance are realized. It has the characteristics of high pressure resistance, good elasticity, large displacement, good vibration absorption and noise reduction effects, convenient installation and the like

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The utility model provides a marine rubber expansion joint, its characterized in that includes the cylindricality barrel by rubber integrated into one piece, cylindricality barrel middle part is formed with annular circular arc along horizontal outside protruding the stretching, cylindricality barrel both ends outside is respectively to protruding the stretching in opposite directions and is formed with the annular sand grip of symmetry, cylindricality barrel both ends terminal surface inboard is concave respectively and is established and be formed with first ring channel, cylindricality barrel both ends terminal surface outside is concave respectively and is established and be formed with the second ring channel.

2. The marine rubber expansion joint of claim 1, further comprising a connecting flange, wherein a third annular groove for clamping the annular convex strip is formed on the inner side of the connecting flange, and a plurality of bolt holes are uniformly distributed on the outer side of the connecting flange along the circumferential direction.

3. The marine rubber expansion joint of claim 1, wherein the cylindrical barrel has an outer diameter greater than an outer diameter of the end face of the cylindrical barrel in the circular arc.

4. The rubber expansion joint for ship according to claim 1, wherein it is made by fusing NBR rubber embedded steel wires.