CN218842340U - Composite fixed chamfer sacrificial anode - Google Patents

Abstract

The utility model discloses a compound fixed chamfer sacrificial anode relates to the cathodic protection technical field of metallic structure or equipment under the industrial production environment such as oil field, mine, sacrificial anode's bottom is provided with electrically conductive dish, electrically conductive dish's bottom is provided with the workstation, be equipped with the installation casing on the workstation, the workstation bottom is provided with four at least supporting legs. The utility model discloses a first wedge, the pressure strip, the installation piece, spring post and second spring, can remain the effect of stabilizing the centre gripping throughout to sacrificial anode, and through the setting on first inclined plane and second inclined plane, the installation piece slides along the direction on first inclined plane, it moves down with sacrificial anode is synchronous to drive the pressure strip, even make sacrificial anode inhomogeneous or consume the corruption by a wide margin, can keep sacrificial anode and electrically conductive dish effective contact throughout, guarantee that sacrificial anode can conduct electricity through electrically conductive dish all the time, ensure to be in good cathodic protection state by the protection piece.

Description

Composite fixed chamfer sacrificial anode

Technical Field

The utility model relates to a cathodic protection technical field of metal structure spare or equipment under the industrial production environment such as oil field, mine specifically is a compound fixed chamfer sacrificial anode.

Background

The sacrificial anode is different structural members prepared from active metals or alloys such as aluminum, magnesium or zinc. According to the electrochemical theory, the sacrificial anode and the protected piece mainly made of carbon steel form a galvanic couple, and the anode provides protection current to make up the corrosion electron loss process of the protected piece in the electrolyte solution. In the process, the sacrificial anode is gradually consumed and irregular morphological changes occur.

The conventional single or multiple sleeper-shaped sacrificial anodes (generally 30 × 120cm, with an iron core pre-cast in the middle, and a conventional cross section being rectangular or trapezoidal, the anode surface area of the cross section changes very little in different cathodic protection stages (initial, middle and final), and cannot provide current according to the current density requirements of different stages, and particularly cannot effectively provide a large current for accelerating polarization in the initial stage of cathodic protection, so that the surface area of the sacrificial anode is increased by arranging a circular chamfer on the sacrificial anode, so as to improve various performances of the sacrificial anode.

The utility model discloses a compound fixed chamfer sacrificial anode, which relates to the technical field of cathodic protection, and comprises a workbench and an installation shell arranged at the top of the workbench, wherein four limiting chutes respectively vertically distributed with the middle parts of four outer walls of the installation shell are formed in the edge of the top of the workbench, a transmission slide block with the top end extending out of the limiting chutes is arranged in each limiting chute, a clamping telescopic rod is fixedly arranged at one side, close to the top end of the installation shell, of each transmission slide block, and one end, provided with a movable part, of each clamping telescopic rod extends into the installation shell and is connected with a slide way; the movable part of the clamping telescopic rod is provided with a clamping plate for clamping the sacrificial anode; the outer wall of the movable part of the clamping telescopic rod is sleeved with an elastic pre-tightening piece for clamping and pre-tightening; and a driving mechanism for driving the transmission slide block to move is arranged at the bottom of the workbench, and sacrificial anodes of different specifications can be clamped and fixed.

Above-mentioned device carries out the centre gripping fixedly through elasticity pretension piece and actuating mechanism's cooperation to four lateral walls of sacrificial anode, nevertheless sacrificial anode is corroded the consumption and diminishes after using a period of time, the sacrificial anode's after reducing this moment highly receives the centre gripping of elasticity pretension piece unchangeable all the time, can lead to the bottom surface and the electrically conductive dish of the sacrificial anode that has reduced after consuming to break away from the contact, make sacrificial anode life greatly reduced, make sacrificial anode can't continue to conduct electricity through electrically conductive dish, and there is the loose problem of certain anode sacrificial corrosion lead to whole centre gripping in the positive pole of combination formula.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing and is different from prior art's solution, and is specific the utility model aims at: in order to solve the problem that the overall clamping is loosened due to sacrificial corrosion of one anode in the combined anode, a composite fixed chamfer sacrificial anode is provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a compound fixed chamfer sacrificial anode, includes the sacrificial anode, the bottom of sacrificial anode is provided with electrically conductive dish, the bottom of electrically conductive dish is provided with the workstation, be equipped with the installation casing on the workstation, the workstation bottom is provided with four at least supporting legs, it has the installation lid to slide on the installation casing to peg graft, four lateral walls of installation casing all are provided with installation mechanism, four lateral walls of installation lid all are provided with L type installation pole, every the inside wall of L type installation pole all is provided with first wedge, every the tip of L type installation pole is provided with the arch.

Preferably, the top of the installation shell is provided with an installation groove for the installation cover to slide, and the bottom of the installation shell is provided with four through grooves corresponding to the installation mechanism.

Preferably, the side wall of the mounting housing is provided with a sliding groove for the mounting mechanism to slide, and the bottom of the sliding groove is provided with a first inclined surface.

Preferably, each installation mechanism all includes installation piece, sliding plate, first spring, pressure strip, second spring and spring post, the installation piece slides and sets up in corresponding sliding tray, the sliding plate slides and sets up at the top of installation piece, the both ends of first spring respectively with sliding plate top and installation lid bottom fixed connection, the second spring post slides to peg graft and sets up in the one side of installation piece towards the sacrificial anode, the second spring is fixed to be set up and is located a lateral wall of spring post on the installation piece, the pressure strip is fixed to be set up at the other end of spring post, the bottom of installation piece is provided with the second inclined plane, the second inclined plane cooperatees with first inclined plane.

Preferably, the top of the mounting block is provided with a limit groove for the sliding plate to slide.

Preferably, a fixing groove matched with the protrusion is formed in the top of the workbench, and the supporting legs at the bottom of the workbench are made of insulating materials.

Preferably, centre gripping spring, installation cover, two supporting rods and two second wedges, the installation cover sets up on the pressure strip, the centre gripping spring sets up in the installation cover, two the both ends slip cap of supporting rod sets up the both ends at the installation cover, the both ends of centre gripping spring respectively with the both ends fixed connection of supporting rod, two the second wedge sets up at the both ends of two supporting rods, dislocation set about per two adjacent supporting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a first wedge, the pressure strip, the installation piece, spring post and second spring, can remain the effect of stable centre gripping all the time to sacrificial anode, and through the setting on first inclined plane and second inclined plane, the installation piece slides along the direction on first inclined plane, drive pressure strip and sacrificial anode and move down in step, even make sacrificial anode inhomogeneous or consume the corruption by a wide margin, can keep sacrificial anode and conductive dish effective contact all the time, guarantee that sacrificial anode can conduct through conductive dish all the time, ensure to be in good cathodic protection state by the protection piece, and through the setting of centre gripping subassembly, avoid in the positive pole of combination formula a certain anode sacrificial corrosion to lead to whole centre gripping not hard up, realize all carrying out the centre gripping to per two positive poles, guarantee every sacrificial anode's grip effect, the not hard up condition can not appear.

The utility model discloses a setting of first spring and sliding plate has realized giving the installation piece decurrent pressure all the time, guarantees the cooperation of contradicting all the time on first inclined plane and second inclined plane.

The utility model discloses a L type installation pole and bellied setting can be effectively fixed installation mechanism, the centre gripping installation of the installation mechanism of being convenient for to easy operation dismantles conveniently, need not loaded down with trivial details rotatory screw and carries out dismouting, convenient and fast.

The utility model discloses a pressure strip installation cover and supporting rod of contradicting to because the setting of second wedge can make two second wedges carry out the centre gripping of contradicting to the sacrificial anode both sides, and can realize through setting up of centre gripping spring that the sacrificial anode corrodes and keep the centre gripping effect all the time under the condition that reduces.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the mounting housing of the present invention;

FIG. 3 is a schematic view of the structure of the mounting mechanism of the present invention;

fig. 4 is a schematic view of the structure of the clamping assembly of the present invention.

In the figure: 1. a sacrificial anode; 2. a work table; 3. a first wedge block; 4. an L-shaped mounting bar; 5. installing a shell; 6. installing a cover; 7. an installation mechanism; 71. mounting a block; 72. a sliding plate; 73. a first spring; 74. a compression plate; 75. a second spring; 76. a spring post; 77. a clamping assembly; 771. a clamping spring; 772. installing a sleeve; 773. a clamping rod; 774. a second wedge block; 8. supporting legs; 9. a limiting groove; 11. a conductive plate; 12. mounting grooves; 13. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work 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 the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a composite fixed chamfer sacrificial anode comprises a sacrificial anode 1, wherein a conductive disc 11 is arranged at the bottom of the sacrificial anode 1, a workbench 2 is arranged at the bottom of the conductive disc 11, an installation shell 5 is arranged on the workbench 2, at least four support legs 8 are arranged at the bottom of the workbench 2, an installation cover 6 is slidably inserted on the installation shell 5, installation mechanisms 7 are arranged on four side walls of the installation shell 5, L-shaped installation rods 4 are arranged on four side walls of the installation cover 6, a first wedge 3 is arranged on the inner side wall of each L-shaped installation rod 4, and a protrusion is arranged at the end part of each L-shaped installation rod 4; firstly, the sacrificial anode 1 is placed on the conductive disc 11, then the mounting cover 6 is correspondingly mounted at the top of the mounting shell 5, then the mounting cover 6 is pressed down to synchronously drive the L-shaped mounting rod 4 and the first wedge-shaped block 3 to synchronously move downwards, and as the top of the mounting mechanism 7 is provided with the inclined plane to be matched with the inclined plane on the first wedge-shaped block 3, the mounting cover 6 moves downwards to drive the four mounting mechanisms 7 to respectively move towards the direction of the sacrificial anode 1, the side wall of the sacrificial anode 1 is clamped, and after the clamping is finished, the mounting mechanism continues to move downwards to enable the bulge and the workbench 2 to be clamped and limited.

Specifically, the top of the installation shell 5 is provided with an installation groove 12 for the installation cover 6 to slide, and the bottom of the installation shell 5 is provided with four through grooves corresponding to the installation mechanism 7.

Specifically, the side wall of the mounting housing 5 is provided with a sliding groove for the mounting mechanism 7 to slide, and the bottom of the sliding groove is provided with a first inclined surface.

Specifically, each of the mounting mechanisms 7 includes a mounting block 71, a sliding plate 72, a first spring 73, a pressing plate 74, a second spring 75, a spring post 76 and a clamping assembly 77, the mounting block 71 is slidably disposed in a corresponding sliding groove, the sliding plate 72 is slidably disposed at the top of the mounting block 71, two ends of the first spring 73 are respectively and fixedly connected with the top of the sliding plate 72 and the bottom of the mounting cover 6, the second spring 75 is slidably inserted into one side of the mounting block 71 facing the sacrificial anode 1, the second spring 75 is fixedly disposed on one side wall of the mounting block 71 located on the spring post 76, the pressing plate 74 is fixedly disposed at the other end of the spring post 76, a second inclined surface is disposed at the bottom of the mounting block 71, the second inclined surface is matched with the first inclined surface, and the clamping assembly 77 is disposed at the bottom of the pressing plate 74. The first wedge-shaped block 3 moves downwards to abut against the inclined surface at the top of the mounting block 71, so that the first wedge-shaped block 3, the spring column 76 and the second spring 75 synchronously slide towards the direction of the sacrificial anode 1, so that the pressing plate 74 abuts against the side wall of the sacrificial anode 1, and the pressing plate 74 abuts against the side wall, so as to realize a clamping effect on the first wedge-shaped block, the first spring 73 always gives downward pressure to the mounting block 71, so that the first inclined surface and the second inclined surface always abut against each other, and by means of the arrangement of the first inclined surface and the second inclined surface, after the sacrificial anode 1 is corroded and consumed to become small, the mounting block 71 synchronously moves downwards, the mounting block 71 moves downwards to drive the second spring 75, the spring column 76 and the pressing plate 74 to synchronously move downwards, the pressing plate 74 moves downwards to drive the sacrificial anode 1 to synchronously move downwards, it is ensured that the sacrificial anode 1 always contacts with the conductive disc 11, and the problem that the anode cannot continue to sacrifice the service life of the cathode is prolonged is avoided.

Specifically, the top of the mounting block 71 is provided with a limiting groove 9 for the sliding plate 72 to slide.

Specifically, the top of the workbench 2 is provided with a fixing groove 13 matched with the bulge, and the supporting leg 8 at the bottom of the workbench 2 is made of an insulating material. The supporting legs 8 are made of insulating materials, so that cathodic protection current provided by the sacrificial anode 1 can be ensured to effectively act on a limited protected metal structure.

Specifically, each clamping component 77 all includes clamping spring 771, installation cover 772, two clamping bars 773 and two second wedge 774, installation cover 772 sets up on pressure strip 74, clamping spring 771 sets up in installation cover 772, two the both ends slip cap setting of clamping bar 773 is at the both ends of installation cover 772, the both ends of clamping spring 771 respectively with the both ends fixed connection of clamping bar 773, two second wedge 774 sets up the both ends at two clamping bars 773, every two adjacent clamping bars 773 dislocation set from top to bottom. Contradict through pressure strip 74 and drive installation cover 772 and supporting rod 773 and contradict to because the setting of second wedge 774 can make two second wedges 774 contradict the centre gripping to sacrificial anode 1 both sides, and can realize through the setting of clamping spring 771 and keep the centre gripping effect all the time under the condition that sacrificial anode 1 corrodes and dwindles.

According to the working principle, firstly, the sacrificial anode 1 is placed on the conductive disc 11, then the mounting cover 6 is correspondingly mounted at the top of the mounting shell 5, then the mounting cover 6 is pressed downwards to synchronously drive the L-shaped mounting rod 4 and the first wedge-shaped block 3 to synchronously move downwards, the first wedge-shaped block 3 moves downwards to abut against the inclined plane at the top of the mounting block 71, so that the first wedge-shaped block 3, the spring column 76 and the second spring 75 synchronously slide towards the direction of the sacrificial anode 1, the pressing plate 74 abuts against the side wall of the sacrificial anode 1 to realize the clamping effect, the first spring 73 always gives downward pressure to the mounting block 71, so that the first inclined plane and the second inclined plane always abut against each other, and through the arrangement of the first inclined plane and the second inclined plane, after the sacrificial anode 1 is corroded and consumed to become small, the mounting block 71 synchronously moves downwards, the mounting block 71 moves downwards to drive the second spring 75, the spring column 76 and the pressing plate 74 to synchronously move downwards, the pressing plate 74 moves downwards to synchronously drive the sacrificial anode 1 to synchronously move downwards, so that the sacrificial anode 1 is ensured to be in contact with the conductive disc 11 all the conductive disc 11, and after the clamping is finished, the clamping effect is realized, and the limiting effect is realized by clamping effect is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a compound fixed chamfer sacrificial anode, includes sacrificial anode (1), the bottom of sacrificial anode (1) is provided with electrically conductive dish (11), the bottom of electrically conductive dish (11) is provided with workstation (2), be equipped with installation casing (5) on workstation (2), workstation (2) bottom is provided with four at least supporting legs (8), its characterized in that: the installation shell (5) is provided with an installation cover (6) in a sliding and inserting mode, four side walls of the installation shell (5) are provided with installation mechanisms (7), four side walls of the installation cover (6) are provided with L-shaped installation rods (4), and each inner side wall of each L-shaped installation rod (4) is provided with a first wedge block (3) and a protrusion.

2. A composite fixed chamfered sacrificial anode according to claim 1, wherein: the mounting structure is characterized in that a mounting groove (12) for enabling the mounting cover (6) to slide is formed in the top of the mounting shell (5), and four through grooves corresponding to the mounting mechanism (7) are formed in the bottom of the mounting shell (5).

3. A composite fixed chamfered sacrificial anode according to claim 2, wherein: the side wall of the mounting shell (5) is provided with a sliding groove for the mounting mechanism (7) to slide, and the bottom of the sliding groove is provided with a first inclined plane.

4. A composite fixed chamfered sacrificial anode according to claim 3, wherein: each installation mechanism (7) comprises an installation block (71), a sliding plate (72), a first spring (73), a pressing plate (74), a second spring (75), a spring column (76) and a clamping assembly (77), wherein the installation block (71) is slidably arranged in a corresponding sliding groove, the sliding plate (72) is slidably arranged at the top of the installation block (71), two ends of the first spring (73) are fixedly connected with the top of the sliding plate (72) and the bottom of the installation cover (6) respectively, the second spring (75) is slidably inserted and arranged on one side, facing the sacrificial anode (1), of the installation block (71), the second spring (75) is fixedly arranged on one side wall of the installation block (71) located on the spring column (76), the pressing plate (74) is fixedly arranged at the other end of the spring column (76), a second inclined surface is arranged at the bottom of the installation block (71), the second inclined surface is matched with the first inclined surface, and the clamping assembly (77) is arranged at the bottom of the pressing plate (74).

5. A composite fixed chamfered sacrificial anode according to claim 4, wherein: the top of the mounting block (71) is provided with a limit groove (9) for the sliding plate (72) to slide.

6. A composite fixed chamfered sacrificial anode according to claim 1, wherein: the top of the workbench (2) is provided with a fixing groove (13) matched with the bulge, and the supporting legs (8) at the bottom of the workbench (2) are made of insulating materials.

7. A composite fixed chamfered sacrificial anode according to claim 4, wherein: every centre gripping subassembly (77) all includes grip spring (771), installation cover (772), two holding rod (773) and two second wedge (774), installation cover (772) sets up on pressure strip (74), grip spring (771) sets up in installation cover (772), two the both ends slip cap of holding rod (773) sets up the both ends at installation cover (772), the both ends of grip spring (771) respectively with the both ends fixed connection of holding rod (773), two second wedge (774) sets up the both ends at two holding rod (773), dislocation set from top to bottom of per two adjacent holding rod (773).

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