CN216765065U

CN216765065U - Cathodic protection reference electrode for offshore wind power steel structure foundation

Info

Publication number: CN216765065U
Application number: CN202121531693.9U
Authority: CN
Inventors: 徐雷
Original assignee: Shanghai Fushen Marine Engineering Co ltd
Current assignee: Shanghai Fushen Marine Engineering Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-06-17
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a cathodic protection reference electrode for an offshore wind power steel structure foundation, and relates to the technical field of reference electrodes, in particular to a cathodic protection reference electrode for an offshore wind power steel structure foundation, which comprises a PVC flange, wherein the upper surface of the PVC flange is clamped with a flange plate, through holes are formed in the upper surfaces of the PVC flange and the flange plate, M14 screws are connected through the through holes in a penetrating manner, M14 screw nuts are connected to the two ends of each M14 screw in a threaded manner, and the lower surface of the PVC flange is clamped with a reference electrode. Through the reference electrode on the PVC flange, fixed steel pipe, reset spring, holder and rubber gasket, make that the staff can be more convenient install, the maintenance in the later stage of being convenient for, and the maintenance cost is low, effectively avoid taking place because of the inaccurate condition of measurement that the sea water infiltration phenomenon produced simultaneously, and increase the contact surface of reference electrode and sea water, it becomes more accurate to make the measurement, the weight and the volume of reference electrode have been increased simultaneously, make life become more permanent.

Description

Cathodic protection reference electrode for offshore wind power steel structure foundation

Technical Field

The utility model relates to the technical field of reference electrodes, in particular to a cathodic protection reference electrode for an offshore wind power steel structure foundation.

Background

The cathode protection reference electrode of the offshore wind power steel structure foundation is based on the fact that zinc (or silver/AgCl) is used as the reference electrode to continuously measure the potential on a fan. The reference electrode is a PVC flange plate fixed on one side of a metal flange through an M14 screw, the other side of the metal flange is welded on a cable pipe, and a reference electrode cable penetrates into the metal cable pipe. The metal cable pipe is fixed on the wind power steel structure pile body through screws or on the mooring part bracket, and the metal cable pipe is lifted up if maintenance is needed. This mode can be used to protect large metal structures or ocean platforms and deep sea steel structures, such as: large tank farms, offshore wind power, etc. And meanwhile, compared with the traditional reference electrode, the requirement on the installation condition is less, the wiring is simpler, and the reference electrode can be used in more environments.

A cathodic protection reference electrode of an offshore wind power steel structure foundation is a commonly used protection reference electrode, but the cathodic protection reference electrode has large installation work amount in the actual use process, needs to be welded with the whole steel structure in a watertight way, and has high welding technical requirements on constructors; the wiring of the reference electrode is troublesome; the maintenance management workload is large, and higher detection and maintenance cost is needed; the replacement is inconvenient, and if equipment needs to be replaced, constructors need to dive into underwater construction operation; the equipment is heavy and inconvenient to operate by one person.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects of the prior art, the utility model provides a cathodic protection reference electrode for an offshore wind power steel structure foundation, and solves the problems in the background art.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an offshore wind power steel construction basis cathodic protection reference electrode, includes the PVC flange, the upper surface joint of PVC flange has the ring flange, the through-hole has all been seted up with the upper surface of ring flange to the PVC flange, through-hole through connection has the M14 screw, the equal threaded connection in both ends of M14 screw has M14 screw nut, the lower surface joint of PVC flange has the reference electrode, the upper surface of ring flange has fixed steel pipe through bolt fixed mounting.

Optionally, the bottom fixedly connected with connecting piece of fixed steel pipe surface, the quantity of connecting piece is three, three the connecting piece is regular triangle-shaped at the horizontal direction and distributes, and then makes the installation of fixed steel pipe more firm to guarantee the fixed of equipment.

Optionally, the quantity of through-hole is a plurality of, a plurality of the even equidistance distribution of through-hole is on PVC flange and ring flange to be the ring array and distribute, and then make the PVC flange more stable with being connected of ring flange, guarantee the use of device then.

Optionally, the inner bottom wall fixedly connected with of fixed steel pipe can be at the reset spring of elastic motion in the horizontal direction, reset spring's quantity is three, and is three reset spring is ring array and distributes for fixed steel pipe can be more firm, and will carry out the centre gripping to the PVC flange effectively, guarantees then that the device is firm to be connected.

Optionally, one end of the reset spring is fixedly connected with the clamping piece, and a nut is connected to the clamping part of the reference electrode and the PVC flange in a threaded manner, so that subsequent maintenance is facilitated.

Optionally, the thread groove has been seted up to the upper surface of PVC flange to there is the PVC safety cover through thread groove threaded connection, the inside filling of PVC flange has epoxy putty, effectively prevents the measurement inaccuracy that the sea water infiltration phenomenon produced.

Optionally, the centre gripping has the rubber gasket between PVC flange and the ring flange, be equipped with anti-skidding gasket between M14 screw nut and PVC flange and the ring flange for can closely laminate between PVC flange and the ring flange, guarantee the leakproofness of PVC flange and ring flange then, avoid rivers access to equipment.

Advantageous effects

The utility model provides a cathodic protection reference electrode for an offshore wind power steel structure foundation, which has the following beneficial effects:

this marine wind power steel construction basis cathodic protection reference electrode, reference electrode through on the PVC flange, fixed steel pipe, reset spring, holder and rubber gasket, make that the staff can be more convenient install, the maintenance in the later stage of being convenient for, and the maintenance cost is low, effectively avoid taking place because of the inaccurate condition of measurement that the sea water infiltration phenomenon produced simultaneously, and increase the contact surface of reference electrode and sea water, it becomes more accurate to make the measurement, the weight and the volume of reference electrode have been increased simultaneously, make life become more permanent.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic disassembled view of the present invention;

FIG. 3 is a schematic sectional view of the steel pipe of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

In the figure: the device comprises a 1-PVC flange, a 2-flange plate, a 3-through hole, a 4-M14 screw, a 5-M14 screw nut, a 6-reference electrode, a 7-fixed steel pipe, an 8-reset spring, a 9-clamping piece and a 10-rubber gasket.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, the proportions, the sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical essence, and any modifications of the structures, changes of the proportion relation, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an offshore wind power steel structure basis cathodic protection reference electrode, including PVC flange 1, PVC flange 1's upper surface joint has ring flange 2, PVC flange 1 has all seted up through-hole 3 with ring flange 2's upper surface, through-hole 3 through connection has M14 screw 4, the equal threaded connection in both ends of M14 screw 4 has M14 screw nut 5, PVC flange 1's lower surface joint has reference electrode 6, ring flange 2's upper surface has fixed steel pipe 7 through bolt fixed mounting.

The upper surface of the PVC flange 1 is provided with a thread groove, the PVC flange is connected with a PVC protective cover through the thread groove and a thread, the interior of the PVC flange 1 is filled with epoxy putty, the measurement caused by the seawater infiltration phenomenon is effectively prevented from being inaccurate, the number of the through holes 3 is a plurality, the through holes 3 are uniformly distributed on the PVC flange 1 and the flange plate 2 at equal intervals and distributed in an annular array, further, the connection between the PVC flange 1 and the flange plate 2 is more stable, the use of the device is ensured, the bottom of the outer surface of the fixed steel pipe 7 is fixedly connected with three connecting pieces, the three connecting pieces are distributed in a regular triangle shape in the horizontal direction, further, the installation of the fixed steel pipe 7 is more stable, the fixation of equipment is ensured, the inner bottom wall of the fixed steel pipe 7 is fixedly connected with three reset springs 8 which can do elastic movement in the horizontal direction, the number of the reset springs 8 is three, three reset spring 8 is the annular array and distributes, make fixed steel pipe 7 can be more firm, and will carry out the centre gripping to PVC flange 1 effectively, then guarantee that the device is firm to be connected, reset spring 8's one end fixedly connected with holder 9, reference electrode 6 has the nut with PVC flange 1's joint department threaded connection, and then make things convenient for follow-up maintenance and maintenance, the centre gripping has rubber gasket 10 between PVC flange 1 and the ring flange 2, be equipped with anti-skidding gasket between M14 screw nut 5 and PVC flange 1 and the ring flange 2, make and closely laminate between PVC flange 1 and the ring flange 2, then guarantee PVC flange 1 and ring flange 2's seal, avoid rivers entering device.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequence.

The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.

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.

In the description of the present application, the terms "connect", "mount", "fix", "set", and the like are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as such, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an offshore wind power steel structure basis cathodic protection reference electrode, includes PVC flange (1), its characterized in that: the upper surface joint of PVC flange (1) has ring flange (2), through-hole (3) have all been seted up with the upper surface of ring flange (2) to PVC flange (1), through-hole (3) through connection has M14 screw (4), the equal threaded connection in both ends of M14 screw (4) has M14 screw nut (5), the lower surface joint of PVC flange (1) has reference electrode (6), the upper surface of ring flange (2) has fixed steel pipe (7) through bolt fixed mounting.

2. The cathodic protection reference electrode for the offshore wind power steel structure foundation according to claim 1, characterized in that: the bottom of the outer surface of the fixed steel pipe (7) is fixedly connected with three connecting pieces, and the three connecting pieces are distributed in a regular triangle in the horizontal direction.

3. The cathodic protection reference electrode for the offshore wind power steel structure foundation according to claim 1, characterized in that: the quantity of through-hole (3) is a plurality of, a plurality of the even equidistance distribution of through-hole (3) is on PVC flange (1) and ring flange (2) to be the ring array and distribute.

4. The cathodic protection reference electrode for the offshore wind power steel structure foundation according to claim 1, characterized in that: the inner bottom wall of the fixed steel pipe (7) is fixedly connected with three return springs (8) capable of doing elastic movement in the horizontal direction, and the number of the return springs (8) is three, and the three return springs (8) are distributed in an annular array.

5. The cathodic protection reference electrode for the offshore wind power steel structure foundation according to claim 4, wherein: one end fixedly connected with holder (9) of reset spring (8), reference electrode (6) and the joint department threaded connection of PVC flange (1) have the nut.

6. The cathodic protection reference electrode for the offshore wind power steel structure foundation according to claim 1, characterized in that: the upper surface of PVC flange (1) has seted up the thread groove to there is the PVC safety cover through thread groove threaded connection, the inside filling of PVC flange (1) has epoxy putty.

7. The cathodic protection reference electrode for the offshore wind power steel structure foundation as recited in claim 1, wherein: rubber gaskets (10) are clamped between the PVC flange (1) and the flange plate (2), and anti-skidding gaskets are arranged between the M14 screw nut (5) and the PVC flange (1) and the flange plate (2).