CN215209630U - Port wharf steel pile sacrificial anode cathodic protection device - Google Patents
Port wharf steel pile sacrificial anode cathodic protection device Download PDFInfo
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- CN215209630U CN215209630U CN202121024653.5U CN202121024653U CN215209630U CN 215209630 U CN215209630 U CN 215209630U CN 202121024653 U CN202121024653 U CN 202121024653U CN 215209630 U CN215209630 U CN 215209630U
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- sacrificial anode
- protection device
- cathodic protection
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Abstract
The utility model discloses a harbour pier piling bar sacrificial anode cathodic protection device, it is including hanging base, support piece, sacrificial anode and feeder cable, hang the base through with pier superstructure in structural reinforcement fixed connection, support piece connects in hanging the base bottom, just the support piece surface is provided with positive pole fixing device, and sacrificial anode passes through positive pole fixing device to be fixed around support piece, and feeder cable connects sacrificial anode and hangs the base, forms "primary cell" structure to the realization is to the protection of piling bar. This device avoids underwater operation through the preinstallation to sacrificial anode, reduces sacrificial anode cathodic protection system's installation safety risk, improves the installation effectiveness, and simple to operate, and the effect is showing, convenient to popularize and use.
Description
Technical Field
The utility model belongs to the technical field of steel construction corrosion protection, especially, relate to a harbor pier piling bar sacrificial anode cathodic protection device.
Background
The steel piles of the port and the wharf are in the marine environment for a long time and are corroded by seawater, so that the corrosion problem is severe. In the prior art, a coating and a sacrificial anode are generally adopted to protect the steel pile. The sacrificial anode is usually installed on the surface of the steel pile by a diver in an underwater welding mode after the construction of the wharf main body is completed. However, the underwater welding construction process is complex, the efficiency is low, the safety risk is high, and the influence of wind and waves is large during construction.
At present, the sacrificial anode dissolution condition is mainly evaluated by carrying out underwater probing on the size of the sacrificial anode, but the anode consumption condition cannot be accurately obtained by the method. In fact, the consumption condition of the sacrificial anode can be more accurately obtained by tracking and measuring the emission current of the sacrificial anode, and the residual life of the sacrificial anode is estimated according to the consumption condition, so that support is provided for redesigning the corrosion prevention of the steel pile. However, current detection or current monitoring system installation at the later stage of the sacrificial anode installed through underwater welding is difficult to implement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a harbor pier piling bar sacrificial anode cathodic protection device, this protection device need not the underwater welding installation, effectively reduces sacrificial anode's installation risk, improves the installation effectiveness.
The utility model discloses a realize through following technical scheme:
a port and wharf steel pile sacrificial anode cathode protection device comprises a supporting piece, a sacrificial anode, a feed cable and a suspension base fixedly connected to an upper structure of a wharf, wherein the suspension base is fixedly connected with structural steel bars in the upper structure of the wharf; the support piece is fixedly connected to the bottom of the suspension base, and an anode fixing device is arranged on the outer surface of the support piece; the sacrificial anode is fixed on the outer side of the support piece through a sacrificial anode fixing device; one end of the feed cable is connected with the sacrificial anode, and the other end of the feed cable is connected to the suspension device.
Compared with the prior art, the utility model discloses a sacrificial anode cathodic protection device has realized sacrificial anode's preinstallation, need not underwater welding, reduces sacrificial anode cathodic protection system's installation safety risk, effectively improves the installation effectiveness, and simple to operate, and the effect is showing, convenient to popularize and use.
This cathodic protection device is through fixing sacrificial anode on support piece, and support piece passes through the suspension base to be fixed in the pier bottom, and the suspension base is connected with the constructional steel bar of piling bar, and feeder cable connects sacrificial anode and suspension base, forms "galvanic cell" structure to the realization is to the protection of piling bar.
Furthermore, the device also comprises a current test window, a current monitoring sensor and a data acquisition instrument, wherein the current test window is arranged on the supporting piece, the current monitoring sensor is arranged on the feed cable through the current test window, current data are acquired and transmitted to the peripheral data acquisition instrument, the current change of the feed cable is monitored in the whole process, and the corrosion condition of the sacrificial anode is judged through further analysis. When performing sacrificial anode current sensing, a current flowing through the feeder cable may be measured from the current test window using a current clamp meter.
Furthermore, the support piece is composed of one or a plurality of hollow pipelines, flanges are arranged at two ends of each pipeline, the two pipelines are connected through the flanges, and the support piece is connected with the suspension base through the flanges. Through flange joint between a plurality of pipeline, prolong to stretch into the aquatic with the sacrificial anode, form support piece, the first section pipeline of top is fixed in suspension base below, passes through support piece with the sacrificial anode and fixes on the structural reinforcement, and the utilization ratio of the device is effectively improved to the harbour pier of the more different scales of adaptation.
Further, the anode fixing device comprises two clamps which are respectively fixed on the outer wall of the pipeline. The two clamps are fixed at two ends of the pipeline, the distance between the two clamps is fixed according to the size of the sacrificial anode, the sacrificial anode is fixed on the pipeline through the clamps, the pipeline is connected to the suspension base, the feed cable is connected between the sacrificial anode and the suspension base, and the sacrificial anode and the steel pile are communicated, so that the protection of the steel pile is realized.
Further, the holder comprises a fixed plate and a movable plate, and bolt holes and semicircular grooves are formed in the relative positions of the fixed plate and the movable plate. When the sacrificial anode is fixed, the iron core of the sacrificial anode is placed in the semicircular groove of the fixing piece, the movable piece covers the iron core, the bolt penetrates through the corresponding bolt hole, the nut is locked, the sacrificial anode is fixed on the outer side of the corresponding pipeline, the sacrificial anode is prevented from being welded underwater during field construction, and construction safety is improved.
Furthermore, the upper part of the suspension base is provided with a hook connected with the structural steel bar, and the lower part of the suspension base is provided with a flange matched with the supporting piece. The suspension base is suspended on the structural steel bars through the hooks and is welded and fixed, and the lower part of the suspension base is connected with the support piece through the flange, so that the support piece is fixed.
Furthermore, a cable hole is formed in the pipeline, and the cable hole is provided with a fixed joint. One end of the feed cable is connected with the sacrificial anode, the other end of the feed cable penetrates through the cable hole to enter the pipeline, the feed cable extends upwards to be connected to the suspension base, and the fixed joint fixes the position of the feed cable.
Preferably, a buffer pad is arranged in the semicircular groove. The buffering pads are arranged in the semicircular grooves, so that the sacrificial anode iron core can be further stabilized, the sacrificial anode iron core is prevented from moving, and the possibility of the broken condition caused by the influence of wind waves on the sacrificial anode iron core in the subsequent use process can be reduced.
Preferably, the suspension base is made of stainless steel or galvanized steel.
Drawings
Fig. 1 is a schematic structural view of a sacrificial anode cathodic protection device for steel piles of port and wharf of the present invention;
FIG. 2 is a schematic structural view of a suspension base in the sacrificial anode cathodic protection device for steel piles of port and wharf;
FIG. 3 is a schematic structural view of a supporting member in the sacrificial anode cathodic protection device for steel piles of port and wharf according to the present invention;
fig. 4 is a schematic structural view of an anode clamping device in the sacrificial anode cathodic protection device for steel piles of port and wharf of the present invention.
Wherein, description of the drawings, 1-wharf superstructure; 2-steel piles; 3-structural steel reinforcement; 4-hanging the base; 41-hanging hooks; 42-bolt; 5-a pipeline; 51-upper end flange; 52-lower end flange; 53-anode holder; 54-cable hole; 55-flange bolt hole; 56-flange bolts; 57-current test window; 531-fixing piece; 532-movable plate; 533-semicircular groove; 534-bolt hole; 535-fixing bolts; 536-a fixing nut; 6-a sacrificial anode; 61-sacrificial anode cores; 7-feeder cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specification, but the described embodiments are only some embodiments of the present invention, not all embodiments, and the scope of the present invention is not limited thereto.
Referring to fig. 1, a port and pier generally comprises a pile foundation and a pier superstructure 1, wherein the pile foundation comprises a plurality of steel piles 2, and structural steel bars 3 are embedded in the pier superstructure 1. When port and pier is put into use, the piling bar 2 can be corroded by seawater, for this embodiment provides a sacrificial anode cathodic protection device that can be used to protect port and pier piling bar 2, it includes suspension base 4, a support member, sacrificial anode 6 and feeder cable 7, suspension base 4 is connected through the inside structural reinforcement 3 with pier superstructure 1, realize the electricity with piling bar 2 and be connected, support member passes through suspension base 4 and fixes the bottom to pier superstructure 1, sacrificial anode 6 passes through anode fixing device and fixes around the support member, feeder cable 7 one end is connected sacrificial anode 6, one end is connected to suspension base 4, thereby intercommunication sacrificial anode 6 and piling bar 2, realize the protection to piling bar 2.
Specifically, as shown in fig. 2, the suspension base 4 is made of stainless steel or galvanized steel, and has a disk shape as a whole, a hook 41 is provided at the top to facilitate suspension and welding on the structural steel bar 3, and a plurality of bolts 42 are provided at the bottom to be screwed with the support member 5 through the bolts 42, so as to fix the support member 5 below the wharf superstructure 1.
Specifically, as shown in fig. 3, the support member is a hollow plastic pipe and is composed of one or more pipes 5, flanges are arranged at the upper end port and the lower end port of each pipe 5, a flange bolt hole 55 is arranged on an upper end flange 51, a flange bolt 56 is arranged on a lower end flange 52, the flange bolt hole 56 and the flange bolt hole 55 have the same specification as the suspension base bottom bolt 42, and the position of the upper end flange bolt hole 55 corresponds to the positions of the suspension base bottom bolt 42 and the lower end flange bolt 56. The pipelines 5 are connected through flanges and fixed through nuts, the length of the supporting piece is adjusted according to the site construction requirement, and the construction requirement is met.
As shown in fig. 4, an anode fixing device is provided on the outer surface of the support, the anode fixing device adopted in this embodiment includes two anode holders 53 respectively fixed at two ends of the duct 5, the distance between the two anode holders 53 matches the size of the sacrificial anode 6, each anode holder 53 includes a fixed piece 531 and a movable piece 532, the fixed piece 531 is fixed on the duct 5, and the middle opposite positions of the fixed piece 531 and the movable piece 532 are respectively provided with a corresponding semicircular groove 533, the radius of the semicircular groove 533 matches the sacrificial anode core 61, and a through fixing screw hole 534 is provided around the semicircular groove 533; when the sacrificial anode 6 is fixed, the sacrificial anode core 61 is placed in the semicircular groove 533 of the fixing piece 531, the movable piece 532 presses on the fixing piece 531, the two parts are closed by passing through the fixing bolt 535, and finally, the fixing nut 536 is used for fixing the sacrificial anode 6 on the side of the pipeline 5.
Furthermore, a current test window 57 is formed in the upper end of the pipeline 5, the current test window 57 is located on the water surface, and a worker can make the clamp-type ammeter go deep into the pipeline 5 from the current test window 57 to measure the current flowing through the feed cable 7; meanwhile, after the feeder cable 7 is connected, a current monitoring sensor is installed on the feeder cable 7 through the current testing window 57 to monitor the change condition of the current flowing through the feeder cable 7, and the data is transmitted to a data acquisition instrument, so that the storage and the subsequent analysis and processing are facilitated.
Furthermore, a cable hole 54 is formed near the anode holder 53 outside the pipeline 5, the cable hole 54 is provided with a fixed joint, one end of the feed cable 7 is connected with the sacrificial anode core 61, and the other end of the feed cable passes through the cable hole 54 and enters the pipeline 5 to be led upwards and connected to the suspension base 4, so that the sacrificial anode 6 and the steel pile 2 are communicated, and the protection of the steel pile 2 is realized.
In this embodiment, rubber pads are disposed in the semicircular grooves 533 of the fixing plates 531 and the movable plates 532, so that the sacrificial anode core 61 is more firmly fixed and is not easily broken during use.
Based on the technical scheme, the device is installed by the following installation method:
the method comprises the following steps: when the structural steel bars 3 are bound, hanging and welding the hooks 41 of the hanging base 4 on the structural steel bars 3, and adjusting the position of the hanging base 4 to enable the bottom surface of the hanging base 4 to be level with the bottom of the wharf superstructure 1;
step two: placing the sacrificial anode 6 in the anode holder 53, placing the sacrificial anode iron core 61 in the semicircular groove 533 of the fixing piece 531 of the holder at the upper and lower ends, pressing the movable piece 532 on the fixing piece 531, locking the movable piece 532 and the fixing piece 531 through the fixing bolt 535 and the fixing nut 536, thereby fixing the sacrificial anode 6;
step three: welding one end of a feed cable 7 on the sacrificial anode iron core 61, enabling the other end of the feed cable to penetrate through the cable hole 54 to enter the pipeline 5, pulling out the feed cable from the upper port of the pipeline 5, welding the feed cable on the suspension device 4, and smearing a protective coating on the welding position;
step four: a current test window 57 is arranged on the surface of the pipeline 5, and a current monitoring sensor is arranged on the feed cable 7;
step six: the pipeline 5 is butted with the suspension base 4, and a flange bolt hole 55 at the upper end of the pipeline is matched with a bolt 42 at the bottom of the suspension base and is fixed by a nut.
The device can avoid underwater operation by pre-installing the sacrificial anode, reduces the installation safety risk of the sacrificial anode cathode protection system, improves the installation efficiency, is convenient to install, has obvious effect and is convenient to popularize and use; meanwhile, the current monitoring sensor is adopted to monitor the current condition of the feed cable constantly, the problem that the emission current of the sacrificial anode is difficult to measure in the past is solved, the corrosion condition of the sacrificial anode can be accurately judged, the current monitoring sensor can be installed and the current can be detected on the water, the diving operation is not needed, and the danger is reduced.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (9)
1. A port and wharf steel pile sacrificial anode cathode protection device is characterized by comprising a supporting piece, a sacrificial anode, a feed cable and a suspension base fixedly connected to an upper structure of a wharf, wherein the suspension base is fixedly connected with structural steel bars in the upper structure of the wharf; the support piece is fixedly connected to the bottom of the suspension base, and an anode fixing device is arranged on the outer surface of the support piece; the sacrificial anode is fixed on the outer side of the support piece through a sacrificial anode fixing device; one end of the feed cable is connected with the sacrificial anode, and the other end of the feed cable is connected to the suspension base.
2. The sacrificial anode cathodic protection device for steel piles of port and pier according to claim 1, further comprising a current test window, a current monitoring sensor and a data collector, wherein the current test window is disposed on the support member, the current monitoring sensor is mounted on the feeder cable, and the collected current data is transmitted to the data collector arranged outside.
3. The sacrificial anode cathodic protection device for steel piles of port and pier as claimed in claim 1, wherein the support member is composed of one or more hollow pipes, both ends of the pipe are provided with flanges, the two pipes are connected by flanges, and the support member is connected with the suspension base by flanges.
4. The sacrificial anode cathodic protection device for steel piles of port and pier as claimed in claim 1, wherein the sacrificial anode fixing device comprises two clamps fixed on the outer wall of the supporting member respectively.
5. The sacrificial anode cathodic protection device for steel piles of harbor wharf as claimed in claim 4, wherein the clamper comprises a fixed plate and a movable plate, and the relative positions of the fixed plate and the movable plate are both provided with bolt holes and semicircular grooves.
6. The sacrificial anode cathodic protection device for steel piles of harbor wharf as claimed in claim 1, wherein the upper part of the suspension base is provided with hooks connected with the structural steel bars, and the lower part is provided with flanges matching with the supporting members.
7. The sacrificial anode cathodic protection device for steel piles of port and pier as claimed in claim 3, wherein the pipeline is provided with cable holes with fixed joints.
8. The sacrificial anode cathodic protection device for steel piles of harbor wharf as claimed in claim 5, wherein a buffer pad is provided in the semicircular groove.
9. The sacrificial anode cathodic protection device for steel piles of harbor wharf as claimed in claim 1, wherein the suspension base is made of stainless steel or galvanized steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121024653.5U CN215209630U (en) | 2021-05-13 | 2021-05-13 | Port wharf steel pile sacrificial anode cathodic protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121024653.5U CN215209630U (en) | 2021-05-13 | 2021-05-13 | Port wharf steel pile sacrificial anode cathodic protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215209630U true CN215209630U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121024653.5U Active CN215209630U (en) | 2021-05-13 | 2021-05-13 | Port wharf steel pile sacrificial anode cathodic protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215209630U (en) |
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2021
- 2021-05-13 CN CN202121024653.5U patent/CN215209630U/en active Active
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