Cathode protection device for buried water supply pipeline

Abstract

The utility model discloses a water supply buried pipeline cathode protection device which comprises a pipeline body, a cathode connecting piece is installed at the upper end of the pipeline body, and a protection mechanism is arranged on the outer side, close to the cathode connecting piece, of the upper end of the pipeline body. The protection mechanism comprises a sliding groove fixedly connected to the upper end of the pipeline body and close to the front side of the cathode connecting piece, a sliding block is slidably connected to the inner side of the sliding groove in a damping mode, a protection cover is fixedly connected to the rear end of the sliding block, a connecting frame is fixedly connected to the upper end of the protection cover, and a fixing frame is fixedly connected to one end of the connecting frame. According to the cathode protection device for the buried water supply pipeline, by rotating the lead screw, the control frame slides downwards along the lead screw, the pressing plate is made to make contact with a connecting wire body of the cathode connecting piece, the downward pressing force on the pressing plate is enhanced under the elastic effect of the movable rod, and the purpose that the pressing plate tightly presses the wire body conveniently is achieved; therefore, the wire body is prevented from being separated from the cathode connecting piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply technical field especially relates to a water supply buried pipeline cathodic protection device. BACKGROUND

[0002] Buried pipeline includes various oil, gas and water supply pipeline, the vast majority of buried pipeline is metal pipeline. In order to improve the corrosion resistance of metal pipeline, prolong service life, the outer layer of metal pipeline generally has anticorrosion layer. In order to further improve the anticorrosion capacity, cathodic protection measures are also adopted, generally, an electric voltage is applied to metal pipeline, and metal pipeline is negative to ground;

[0003] Traditional buried pipeline cathodic device has some shortcomings, the traditional common installation method is generally to weld the sacrificial cathode block directly to the steel pipeline, which needs to polish off the protective coating of the pipeline surface with a large area, which causes certain damage to the pipeline itself, and the service life and stability are not very ideal, and the connection mode of the cathode block is that the wire body is directly connected, so that the wire body lacks fixation, and the wire body is prone to disengaging from the cathode block after a long time. SUMMARY

[0004] The utility model discloses a kind of water supply buried pipeline cathodic protection devices, which can effectively solve the problems in the background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A water supply buried pipeline cathodic protection device, comprising a pipeline main body, a cathode connecting piece is installed at the upper end of the pipeline main body, a protection mechanism is arranged on the outer side of the cathode connecting piece close to the upper end of the pipeline main body, the protection mechanism comprises a chute fixedly connected to the front side of the cathode connecting piece close to the upper end of the pipeline main body, a sliding block is connected to the inner side of the chute in a damping manner, a protection cover is fixedly connected to the rear end of the sliding block, a connecting frame is fixedly connected to the upper end of the protection cover, a fixed frame is fixedly connected to one end of the connecting frame, a lead screw is movably connected to the inner side of the fixed frame, a limiting ring is fixedly connected to the outer side of the lead screw close to the lower side of the fixed frame, a control frame is threadedly connected to the outer side of the lead screw close to the lower side of the limiting ring, a linkage frame is fixedly connected to the upper end of the control frame, a moving rod is slidably connected to the inner side of the linkage frame, a spring is sleeved to the outer side of the moving rod, and a pressing plate is fixedly connected to the lower end of the moving rod.

[0007] Preferably, a baffle is fixedly connected to the upper end of the moving rod, and a knob is fixedly connected to the upper end of the lead screw.

[0008] Preferably, the protection cover covers the outer side of the cathode connecting piece, and the upper end of the limiting ring is movably connected to the lower end of the fixed frame.

[0009] Preferably, the upper end of the spring is fixedly connected with the inner top of the linkage frame, and the lower end of the spring is fixedly connected with the upper end of the pressing plate close to the outer side of the moving rod.

[0010] Preferably, one end of the pipeline body is fixedly connected with a butt joint ring, and an installation hole is formed in one end of the butt joint ring close to the outer side of the pipeline body.

[0011] Preferably, the number of the installation holes is several groups, the number of the pipeline bodies is two groups, and the number of the butt joint rings is several groups.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. By pushing the protective cover, the sliding block is made to slide in the inner side of the sliding groove, the protective cover is made to cover the outer side of the cathode connecting piece, the protective cover can conveniently protect the cathode connecting piece, the installation position of the protective cover on the cathode connecting piece is protected, and thus the pipeline body is protected.

[0014] 2. Secondly, by rotating the lead screw, the control frame is made to slide downwards along the lead screw, the pressing plate is made to contact the connecting line body of the cathode connecting piece, and the moving rod is made to strengthen the downward pressing force on the pressing plate under the action of elasticity, the pressing plate can conveniently press the line body, and thus the line body is prevented from being separated from the cathode connecting piece. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic diagram of the utility model of a water supply buried pipeline cathode protection device Figure 1

[0016] Figure 2 It is an overall structure schematic diagram of the utility model of a water supply buried pipeline cathode protection device Figure 2

[0017] Figure 3 It is a protective mechanism structure schematic diagram of the utility model of a water supply buried pipeline cathode protection device

[0018] Figure 4 It is a partial structure schematic diagram of the protective mechanism of the utility model of a water supply buried pipeline cathode protection device.

[0019] In the drawing: 1, pipeline body; 2, butt joint ring; 3, installation hole; 4, cathode connecting piece; 5, protective mechanism; 51, sliding groove; 52, sliding block; 53, protective cover; 54, connecting frame; 55, fixed frame; 56, lead screw; 57, limiting ring; 58, control frame; 59, linkage frame; 510, moving rod; 511, spring; 512, pressing plate; 513, baffle; 514, knob. DETAILED DESCRIPTION​​

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] As shown in Figures 1-4 A water supply buried pipeline cathodic protection device, including pipeline main body 1, the upper end of pipeline main body 1 is installed with cathode connecting piece 4, the upper end of pipeline main body 1 is provided with protection mechanism 5 on the outer side close to cathode connecting piece 4, protection mechanism 5 includes the chute 51 that is fixedly connected on the upper end of pipeline main body 1 close to the front side of cathode connecting piece 4, the inner side of chute 51 is slidably connected with sliding block 52, the rear end of sliding block 52 is fixedly connected with protection cover 53, the upper end of protection cover 53 is fixedly connected with connecting frame 54, one end of connecting frame 54 is fixedly connected with fixed frame 55, the inner side of fixed frame 55 is movably connected with lead screw 56, the outer side of lead screw 56 is fixedly connected with limit ring 57 on the lower side close to fixed frame 55, the outer side of lead screw 56 is screw-connected with control frame 58 on the lower side close to limit ring 57, the upper end of control frame 58 is fixedly connected with linkage frame 59, the inner side of linkage frame 59 is slidably connected with moving rod 510, moving rod 510 is sleeved with spring 511 on the outer side, the lower end of moving rod 510 is fixedly connected with pressing plate 512.

[0022] In the embodiment, the upper end of moving rod 510 is fixedly connected with baffle 513, the upper end of lead screw 56 is fixedly connected with knob 514, protection cover 53 covers the outer side of cathode connecting piece 4, the upper end of limit ring 57 is movably connected with the lower end of fixed frame 55, the upper end of spring 511 is fixedly connected with the inner top of linkage frame 59, the lower end of spring 511 is fixedly connected with the upper end of pressing plate 512 on the outer side close to moving rod 510.

[0023] Specific, push the protective cover 53, make the protective cover 53 drive the slider 52 in the inner side of the sliding groove 51, and make the protective cover 53 cover the outer side of the cathode connecting piece 4, then rotate the knob 514, make the lead screw 56 rotate in the inner side of the fixed frame 55, and make the control frame 58 move downward along the lead screw 56, so that the control frame 58 drives the linkage frame 59 to move downward, and the pressing plate 512 contacts the wire body connected with the cathode connecting piece 4, so that the pressing plate 512 is blocked from moving downward, so that the linkage frame 59 slides downward along the moving rod 510, and the linkage frame 59 and the pressing plate 512 extrude the spring 511, so that the moving rod 510 enhances the downward pressure on the pressing plate 512 under the action of elasticity, so that the pressing plate 512 presses the wire body, avoids the wire body from separating from the cathode connecting piece 4, and rotates the lead screw 56, so that the control frame 58 slides downward along the lead screw 56, and the pressing plate 512 contacts the wire body connected with the cathode connecting piece 4, and the moving rod 510 enhances the downward pressure on the pressing plate 512 under the action of elasticity, so as to conveniently press the wire body with the pressing plate 512, thereby avoiding the wire body from separating from the cathode connecting piece 4.

[0024] In the embodiment, one end of the pipeline body 1 is fixedly connected with the butt joint ring 2, one end of the butt joint ring 2 is provided with the mounting hole 3 near the outer side of the pipeline body 1, the number of the mounting hole 3 is several groups, the number of the pipeline body 1 is two groups, and the number of the butt joint ring 2 is several groups.

[0025] Specifically, two groups of pipeline bodies 1 are taken out, the butt joint rings 2 on the two groups of pipeline bodies 1 correspond to each other, the two groups of butt joint rings 2 are in contact, and then the bolts pass through the mounting holes 3 to limit the two groups of butt joint rings 2 together, so that the two groups of pipeline bodies 1 are installed.

[0026] Working principle:

[0027] In use, first, two sets of pipe bodies 1 are taken out, and the butt rings 2 on the two sets of pipe bodies 1 correspond to each other, and the two butt rings 2 are in contact, and then the bolts pass through the mounting holes 3 to limit the two butt rings 2 together, so that the two sets of pipe bodies 1 are installed with each other, at this time, the wire body is connected to the cathode connecting piece 4, then the protective cover 53 is pushed to make the sliding block 52 slide in the inner side of the sliding groove 51, and the protective cover 53 covers the outer side of the cathode connecting piece 4, then the knob 514 is rotated, the lead screw 56 rotates in the inner side of the fixed frame 55, and the control frame 58 moves downward along the lead screw 56, so that the control frame 58 drives the linkage frame 59 to move downward, and the pressing plate 512 contacts the wire body connected to the cathode connecting piece 4, so that the pressing plate 512 is blocked from moving downward, so that the linkage frame 59 slides downward along the moving rod 510, and the linkage frame 59 and the pressing plate 512 squeeze the spring 511, so that the moving rod 510 strengthens the downward pressure on the pressing plate 512 under the elastic action, so that the pressing plate 512 presses the wire body tightly, avoiding the wire body from separating from the cathode connecting piece 4, by pushing the protective cover 53, the sliding block 52 slides in the inner side of the sliding groove 51, so that the protective cover 53 covers the outer side of the cathode connecting piece 4, which can achieve the purpose of protecting the cathode connecting piece 4 by the protective cover 53, and protecting the installation position of the cathode connecting piece 4, thereby protecting the pipe body 1, and then the lead screw 56 is rotated, so that the control frame 58 slides downward along the lead screw 56, and the pressing plate 512 contacts the wire body connected to the cathode connecting piece 4, and the moving rod 510 strengthens the downward pressure on the pressing plate 512 under the elastic action, which can achieve the purpose of conveniently pressing the wire body by the pressing plate 512, thereby avoiding the wire body from separating from the cathode connecting piece 4.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cathodic protection device for water supply buried pipelines, comprising a pipeline body (1), characterized in that: The upper end of the pipeline body (1) is provided with a cathode connecting piece (4), and the outer side of the upper end of the pipeline body (1) near the cathode connecting piece (4) is provided with a protection mechanism (5), the protection mechanism (5) comprises a chute (51) fixedly connected to the front side of the upper end of the pipeline body (1) near the cathode connecting piece (4), the inner side of the chute (51) is slidably connected with a sliding block (52), the rear end of the sliding block (52) is fixedly connected with a protection cover (53), the upper end of the protection cover (53) is fixedly connected with a connecting frame (54), one end of the connecting frame (54) is fixedly connected with a fixed frame (55), the inner side of the fixed frame (55) is movably connected with a lead screw (56), the outer side of the lead screw (56) is fixedly connected with a limiting ring (57) near the lower side of the fixed frame (55), the outer side of the lead screw (56) is threadedly connected with a control frame (58) near the lower side of the limiting ring (57), the upper end of the control frame (58) is fixedly connected with a linkage frame (59), the inner side of the linkage frame (59) is slidably connected with a moving rod (510), the outer side of the moving rod (510) is sleeved with a spring (511), and the lower end of the moving rod (510) is fixedly connected with a pressing plate (512).

2. A cathodic protection apparatus for water supply buried pipelines according to claim 1, characterized in that: The upper end of the moving rod (510) is fixedly connected with a baffle (513), and the upper end of the lead screw (56) is fixedly connected with a knob (514).

3. A cathodic protection apparatus for water supply buried pipelines according to claim 2, characterized in that: The protection cover (53) covers the outer side of the cathode connecting piece (4), and the upper end of the limiting ring (57) is movably connected with the lower end of the fixed frame (55).

4. A cathodic protection apparatus for water supply buried pipelines according to claim 2, characterized in that: The upper end of the spring (511) is fixedly connected with the inner top of the linkage frame (59), and the lower end of the spring (511) is fixedly connected with the upper end of the pressing plate (512) near the outer side of the moving rod (510).

5. A cathodic protection apparatus for water supply buried pipelines according to claim 1, characterized in that: One end of the pipeline body (1) is fixedly connected with a butt joint ring (2), and the other end of the butt joint ring (2) is provided with a mounting hole (3) near the outer side of the pipeline body (1).

6. A cathodic protection apparatus for water supply buried pipelines according to claim 5, characterized in that: The number of mounting holes (3) is several groups, the number of pipeline bodies (1) is two groups, and the number of butt joint rings (2) is several groups.

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