Cathode protection connecting device for metal components

Abstract

The invention provides a cathode protection connecting device for a metal component. The cathode protection connecting device comprises a protection box, a box cover movably connected to the top of the protection box, limiting assemblies arranged at the corners of the protection box and the box cover and an adjusting assembly arranged on the front face of the box body. The problems that the opening process of an existing protection device is tedious and time-consuming, the internal fixing mode is single, and components of different sizes cannot be adapted are solved, and the device can be rapidly opened and closed so as to facilitate maintenance and can flexibly adapt to the comprehensive solution of the components of different sizes so as to ensure firm fixation.

Description

Technical Field

[0001] This invention relates to the field of metal welding technology, and in particular to a cathodic protection connection device for metal components. Background Technology

[0002] In corrosive environments such as soil and seawater, large metal components like pipelines, storage tanks, and bridge foundations commonly employ cathodic protection technology to prevent electrochemical corrosion. This is crucial for ensuring the safety and lifespan of infrastructure. In this technology system, the electrical connection point between the anode cable and the protected metal component is a critical node in the entire protection system's current loop, and the reliability of this connection directly determines the success or failure of cathodic protection. To ensure the long-term stable operation of these critical connection points, an external protective device is needed to isolate them from the harsh environment, preventing physical impact, abrasion, and the intrusion of moisture and corrosive media. Currently, relatively simple protective boxes or enclosures are commonly used, with the cover secured to the body using bolts to encapsulate and protect the internal connection points.

[0003] However, this traditional protection method has revealed its inherent limitations in practical applications. On the one hand, the cathodic protection system requires regular inspection and maintenance. Operators need to open the protection device to measure and check the potential and energization status of the internal connection points. The existing protection box, which is fixed with multiple bolts, is very cumbersome and time-consuming to open and close. Especially in the case of complex field environment and limited operating space, it greatly reduces the efficiency of maintenance work.

[0004] On the other hand, the protected metal components often vary in size, such as pipes of different diameters or steel profiles of different specifications. Existing protection devices lack effective and adjustable fixing mechanisms, making it difficult to achieve stable clamping and positioning for components of different sizes. This one-size-fits-all fixing method not only has poor versatility, leading to the need to reserve protection boxes of various specifications for different projects, but also, if the fixing is not in place, the displacement or vibration of the component can cause stress on the fragile electrical connection points inside, creating potential for failure. Existing technology has failed to provide a comprehensive solution that can both quickly open and close for easy maintenance and flexibly adapt to different component sizes to ensure a firm fixation. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a cathodic protection connection device for metal components, which solves the problems of the cumbersome and time-consuming opening process of the existing protection device and the single internal fixing method that cannot adapt to components of different sizes. This device can achieve rapid opening and closing for convenient maintenance, and can flexibly adapt to different component sizes to ensure a comprehensive solution.

[0006] To achieve the above objectives, the present invention provides the following solution: a cathodic protection connection device for metal components, comprising: a protective box, a box cover movably connected to the top of the protective box, a limiting component disposed at the corner of the protective box and the box cover, and an adjusting component disposed on the front of the box body.

[0007] Optionally, the limiting component includes a first fixing post disposed at the top corner of the box body, a second fixing post disposed at the corner of the box cover and directly above the first fixing post, a threaded post movably disposed at one top end of the second fixing post, a threaded block movably disposed at one bottom end of the first fixing post and adapted to the threaded post, and a limiting block disposed on one side of the first fixing post and the second fixing post.

[0008] Optionally, one end of the first fixing post is provided with a second sliding groove adapted to the threaded post, one end of the second fixing post is provided with a through hole of the same diameter as the second sliding groove, the middle part of the first fixing post is provided with a first sliding groove of T-shape, and the lower surface of the first fixing post is provided with a sliding post of T-shape adapted to the first sliding groove.

[0009] Optionally, the adjustment assembly includes a protective shell disposed on the front of the housing, an adjustment mechanism disposed inside the protective shell, a rotating column disposed on the top of the protective shell, a rotating disk disposed on the top of the rotating column, and third sliding grooves disposed on the inner walls of both sides of the protective shell.

[0010] Optionally, the adjustment mechanism includes two fixed sleeves of a semi-annular structure disposed on the outside of the metal component, a third fixed column disposed on both sides of the fixed sleeve, a gear disposed directly above the fixed sleeve, and racks disposed on both sides of the gear, wherein the upper surface of the gear is connected to the bottom end of the rotating column.

[0011] Optionally, the top end of the third fixing post is connected to the rack, the bottom end of the third fixing post is connected to the outside of the fixing sleeve, the gear is adapted to the rack, and the rack is adapted to the third sliding groove.

[0012] This invention discloses the following technical advantages by providing a cathodic protection connection device for metal components: 1. This device solves the problem in the prior art that the internal structure of the protection device is fixed and cannot adapt to components of different sizes by setting an adjustment mechanism that drives the relative movement of two racks synchronously by gears. It achieves the technical effect of being able to quickly and reliably clamp components of different sizes, thus improving the versatility and applicability of the device.

[0013] 2. This device solves the problems of cumbersome and time-consuming opening of the protection box and the safety hazards in the prior art by setting a guide structure with sliding column and sliding groove, independent threaded locking structure and anti-fall-off limit block. It achieves the technical effect of being able to open and lock the box quickly and safely, which greatly facilitates internal maintenance and improves maintenance efficiency and operational safety.

[0014] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the device structure provided in an embodiment of the present invention; Figure 2 A side view of the device provided in an embodiment of the present invention; Figure 3 A schematic diagram of the limiting component provided in an embodiment of the present invention; Figure 4 A schematic diagram of the adjustment component provided in an embodiment of the present invention; Explanation of reference numerals in the attached drawings: 1. Protective box; 2. Adjustment mechanism; 201. Protective shell; 202. Rotating column; 203. Rotating disk; 204. Gear; 205. Rack; 206. Third fixed column; 207. Fixed sleeve; 208. Third sliding groove; 3. First sliding groove; 4. Limiting block; 5. Sliding column; 6. Second fixed column; 7. Second sliding groove; 8. Threaded column; 9. Threaded block; 10. Box cover; 11. First fixed column. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figure 1 , Figure 2As shown, the present invention provides a cathodic protection connection device for metal components, comprising: a protective box 1, a box cover 10 movably connected to the top of the protective box 1, limiting components disposed at the corners of the protective box 1 and the box cover 10, and an adjusting component disposed on the front of the box body. The protective box 1 serves as the mounting base and protective body of the entire device, while the box cover 10 is used to close the protective box 1 and provide a channel for quick opening.

[0020] like Figure 3 As shown, the limiting component includes a first fixing post 11 located at the top corner of the box body, a second fixing post 6 located at the corner of the box cover 10 and directly above the first fixing post 11, a threaded post 8 movably located at one top end of the second fixing post 6, a threaded block 9 movably located at one bottom end of the first fixing post 11 and adapted to the threaded post 8, and a limiting block 4 located on one side of the first fixing post 11 and the second fixing post 6; the limiting block 4 is used to limit the sliding stroke of the sliding post 5.

[0021] One end of the first fixing post 11 is provided with a second sliding groove 7 adapted to the threaded post 8. One end of the second fixing post 6 is provided with a through hole of the same diameter as the second sliding groove 7. The middle part of the first fixing post 11 is provided with a T-shaped first sliding groove 3. The lower surface of the first fixing post 11 is provided with a T-shaped sliding post 5 adapted to the first sliding groove 3. The threaded post 8 can pass through the protective box 1 and be threadedly connected to the threaded block 9. Specifically, the protective box 1 is provided with a first fixing post 11 and a second fixing post 6. The threaded post 8 passes through the first fixing post 11 and the second fixing post 6, and the inner walls of the first fixing post 11 and the second fixing post 6 are both provided with a second sliding groove 7.

[0022] like Figure 4 As shown, the adjustment assembly includes a protective shell 201 disposed on the front of the housing, an adjustment mechanism 2 disposed inside the protective shell 201, a rotating column 202 disposed on the top of the protective shell 201, a rotating disk 203 disposed on the top of the rotating column 202, and a third sliding groove 208 disposed on the inner walls of both sides of the protective shell 201.

[0023] The adjusting mechanism 2 includes two fixed sleeves 207 of a semi-annular structure disposed on the outside of the metal component, a third fixed post 206 disposed on both sides of the fixed sleeve 207, a gear 204 disposed directly above the fixed sleeve 207, and racks 205 disposed on both sides of the gear 204. The upper surface of the gear 204 is connected to the bottom end of the rotating post 202. The top end of the third fixed post 206 is connected to the rack 205, and the bottom end of the third fixed post 206 is connected to the outside of the fixed sleeve 207. The gear 204 is adapted to the rack 205, and the rack 205 is adapted to the third sliding groove 208.

[0024] The rotating disk 203 is connected to the gear 204 via the rotating column 202, and its function is to provide an input interface for manual adjustment. Meanwhile, the gears 204 are symmetrically arranged and each meshes with two racks 205, which slide within the third sliding groove 208. The adjustment mechanism 2 further includes two fixed sleeves 207, with the two racks 205 fixedly connected to their corresponding fixed sleeves 207 via the third fixed column 206, ensuring automatic centering and reliable clamping capability when adjusting components of different sizes.

[0025] The working principle of this device is as follows: When the connection part is subjected to external pressure and wear, causing damage to the connection, the protective box 1 plays a good protective role. When the connection needs to be inspected and repaired, the threaded column 8 can be rotated. After rotation, the threaded block 9 can be removed. Then, the threaded column 8 can be taken out along the second sliding groove 7 opened on the inner wall of the first fixed column 11 and the second fixed column 6. Then, the box cover 10 can be pressed and slid backward, so that the outer wall of the sliding column 5 slides along the inner wall of the first sliding groove 3 opened on the first fixed column 11. Then, the box cover 10 can be quickly removed for inspection and repair of the device. When the box cover 10 needs to be put back, the box cover 10 can be held and slid forward, so that the outer wall of the sliding column 5 slides along the inner wall of the first sliding groove 3 until the outer wall of the sliding column 5 touches the outer wall of the limit block 44, thus preventing the sliding column 5 from falling due to excessive force and causing a safety accident. Then, the threaded column 8 can be rotated, so that the outer wall of the threaded column 8 is threadedly connected to the inner wall of the threaded block 9, thereby achieving fixation. When a component needs to be replaced, the adjustment mechanism 2 has multiple internal structures. The rotating disk 203 can be rotated, which causes the rotating column 202 to drive the gear 204 to rotate together. Since the outer wall of the gear 204 is meshed with two racks 205, and since the inner wall of the protective shell 201 is provided with third sliding grooves 208 on both the left and right sides, the outer walls of the two racks 205 slide along the inner wall of the third sliding grooves 208 while the gear 204 rotates. The third fixing column 206 plays a good fixing role between the racks 205 and the fixing sleeve 207, which allows the fixing sleeve 207 to move. Then, it can be adjusted according to the size of different components.

[0026] Therefore, the present invention provides a cathodic protection connection device for metal components, which solves the problems of the cumbersome and time-consuming opening process of existing protection devices and the single internal fixing method that cannot adapt to components of different sizes. This device can achieve rapid opening and closing for convenient maintenance, and can flexibly adapt to different component sizes to ensure a firm fixation.

[0027] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0028] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A cathodic protection connection device for metal components, characterized in that, include: The protective box, the lid movably connected to the top of the protective box, the limiting components located at the corners of the protective box and the lid, and the adjusting components located on the front of the box body.

2. The cathodic protection connection device for metal components according to claim 1, characterized in that, The limiting component includes a first fixing post located at the top corner of the box body, a second fixing post located at the corner of the box cover and directly above the first fixing post, a threaded post movably located at one top end of the second fixing post, a threaded block movably located at one bottom end of the first fixing post and adapted to the threaded post, and a limiting block located on one side of the first fixing post and the second fixing post.

3. The cathodic protection connection device for metal components according to claim 2, characterized in that, One end of the first fixing post is provided with a second sliding groove adapted to the threaded post, one end of the second fixing post is provided with a through hole of the same diameter as the second sliding groove, the middle part of the first fixing post is provided with a first sliding groove of T-shape, and the lower surface of the first fixing post is provided with a sliding post of T-shape adapted to the first sliding groove.

4. The cathodic protection connection device for metal components according to claim 3, characterized in that, The adjustment assembly includes a protective shell disposed on the front of the housing, an adjustment mechanism disposed inside the protective shell, a rotating column disposed on the top of the protective shell, a rotating disk disposed on the top of the rotating column, and third sliding grooves disposed on the inner walls of both sides of the protective shell.

5. The cathodic protection connection device for metal components according to claim 4, characterized in that, The adjustment mechanism includes two fixed sleeves of a semi-circular structure disposed on the outside of the metal component, a third fixed column disposed on both sides of the fixed sleeves, a gear disposed directly above the fixed sleeves, and a rack disposed on both sides of the gear, wherein the upper surface of the gear is connected to the bottom end of the rotating column.

6. The cathodic protection connection device for metal components according to claim 5, characterized in that, The top end of the third fixing post is connected to the rack, the bottom end of the third fixing post is connected to the outside of the fixing sleeve, the gear is adapted to the rack, and the rack is adapted to the third sliding groove.

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