CN219621264U - Cathode protection detection device for pipeline in sleeve - Google Patents

Abstract

The utility model relates to the technical field of cathode protection, and discloses a cathode protection detection device for a pipeline in a sleeve, which comprises the sleeve, a measuring tube, a plurality of insulating rubber sleeves and a plurality of damping type clamping mechanisms, wherein the sleeve is horizontally arranged along the axial direction, the insulating rubber sleeves are axially arranged at the lower end in the sleeve at intervals, the middle part of the upper end of each insulating rubber sleeve is downwards concavely provided with an arc-shaped notch which is consistent with the outer diameter of the pipeline and is coaxially distributed with the sleeve, the pipeline axially passes through the sleeve and is coaxially embedded in the arc-shaped notches so as to be supported by the insulating rubber sleeves, the clamping mechanisms are axially arranged at the upper end in the sleeve along the length direction of the sleeve, the damping ends of the clamping mechanisms face downwards, the damping ends of the clamping mechanisms are provided with through pipe holes which axially penetrate through, the pipe penetrating holes on the clamping mechanisms are aligned left and right so as to enable the measuring tube to axially pass through, and the clamping mechanisms are used for pressing the pipeline in the arc-shaped notches, and therefore the coaxiality of the pipeline in the sleeve is better.

Description

Cathode protection detection device for pipeline in sleeve

Technical Field

The utility model relates to the technical field of cathode protection anti-corrosion detection equipment, in particular to a cathode protection detection device for a pipeline in a sleeve.

Background

The cathode protection technology is used as an anti-corrosion technology, more is applied in an underground pipeline, but when the underground pipeline passes under a highway or a railway, a sleeve is required to be additionally arranged to improve the compressive strength of the pipeline so as to protect the pipeline from being damaged due to overlarge pressure bearing, but the cathode protection state of the pipeline in the sleeve is still required to be detected, the supporting mechanism in the cathode protection remote detection device disclosed in the current China patent application CN214193461U is more complex, and the supporting mechanism is clamped in an annular space between the sleeve and the pipeline in an adjusting mode by adopting a lead screw adjusting mode, but the supporting mechanism is only suitable for being arranged at the end part of the annular space, when the length of the sleeve is longer, the middle part of the annular space in the length direction has good supporting effect, and meanwhile, the supporting effect on a measuring pipe is poor (the middle part of the measuring pipe can be bent and deformed due to deflection because of the small quantity of the supporting mechanism).

Disclosure of Invention

The utility model aims to provide a cathode protection detection device for a pipeline in a sleeve, which can be used for stably clamping the pipeline in the pipeline and is convenient for a measuring pipe to pass through.

The technical scheme for achieving the aim is as follows: the utility model provides a casing inner tube cathodic protection detection device, its characterized in that, includes sleeve pipe, survey pipe, a plurality of insulating gum cover and a plurality of damping formula chucking mechanism, the sleeve pipe sets up along axial level, and a plurality of insulating gum cover sets up along axial interval the intraductal lower extreme of sleeve, and every insulating gum cover's upper end middle part indent be equipped with the pipeline external diameter unanimity and with the coaxial arc breach that distributes of sleeve pipe downwards, the pipeline passes along the axial the sleeve pipe to coaxial embedding is in a plurality of in the arc breach will by a plurality of insulating gum cover hold up the pipeline, a plurality of chucking mechanism is followed sleeve pipe length direction interval sets up the interior upper end of sleeve pipe, its damping end down, and its damping end has the poling hole that runs through along the axial, and a plurality of poling hole on the chucking mechanism aligns for the survey pipe passes along the axial, a plurality of chucking mechanism is used for with the pipeline compresses tightly in a plurality of in the arc breach.

Preferably, the through pipe hole is a horn hole, and the thick ends of the through pipe holes face the same end.

Preferably, the lower end of the damping end is provided with a second arc notch in an upward concave manner, the second arc notch is communicated left and right, and the same ends of the second arc notches are flared so as to allow the pipeline to penetrate.

Preferably, the clamping mechanism comprises a mounting block, an abutting block and a plurality of damping pieces, the mounting block is mounted at the corresponding position of the inner top of the sleeve, the damping pieces are mounted at the lower ends corresponding to the mounting block, the damping ends of the damping pieces are downward, the abutting block is located below the corresponding mounting block, the upper ends of the abutting block are connected with the damping ends corresponding to the damping pieces, the elastic force of the damping pieces is downward so that the abutting blocks are tightly pressed on the pipeline, the abutting blocks are the damping ends of the clamping mechanism, the second arc-shaped notch is formed in the lower ends of the abutting blocks, and the pipe penetrating holes penetrate through the abutting blocks left and right.

Preferably, the abutting block is an insulating plastic piece.

Preferably, the damping member is a damping rod.

Preferably, the top wall is equipped with the spout that runs through its both ends along the axial in the sleeve pipe, the upper end of installation piece with the spout cooperatees, installation piece slidable mounting is in spout department, be equipped with a plurality of bar holes along the axial interval on the diapire of spout, the bar hole sets up along the axial, a plurality of the bar hole corresponds with a plurality of the installation piece and sets up, every the upper end of installation piece is equipped with at least one screw, just the screw with the bar hole aligns and through one with screw threaded connection's bolt fastening is in the position department that corresponds of spout.

Preferably, the plurality of insulating rubber sleeves and the plurality of clamping mechanisms are distributed in an axial staggered manner.

The utility model has the beneficial effects that: according to the embodiment, a plurality of insulating rubber sleeves and damping type clamping mechanisms can be respectively and axially arranged at the lower end and the upper end in the sleeve at intervals, the damping ends of the clamping mechanisms face downwards, when a pipeline passes through the sleeve, the pipeline is clamped in the sleeve by the insulating rubber sleeves and the clamping mechanisms together and is coaxially distributed in the sleeve, the insulating rubber sleeves and the clamping mechanisms can enable the coaxiality of the pipeline in the sleeve to be better, in addition, the clamping mechanisms are axially arranged at intervals, and the damping ends of the clamping mechanisms are propped against the pipeline, so that a plurality of pipe penetrating holes are aligned left and right, at the moment, the measuring pipe can flexibly and continuously pass through the pipe penetrating holes, and the depth of the measuring pipe extending into an annular gap between the pipeline and the sleeve can be flexibly adjusted according to requirements; in addition, the same end of the second arc-shaped notch at the lower end of the plurality of damping ends is flared, so that the sleeve is convenient to penetrate into the sleeve and is clamped between the plurality of clamping mechanisms and the insulating rubber sleeve; similarly, the plurality of pipe penetrating holes are horn-shaped, and the thick ends face the same direction, so that the measuring pipe can conveniently penetrate through the plurality of pipe penetrating holes; in the scheme, the clamping mechanisms are slidably arranged in the sleeve, so that the clamping mechanisms are convenient to install in the sleeve.

Drawings

FIG. 1 is an axial cross-sectional view of a cathode protection detection device for a pipeline in a sleeve according to the utility model;

FIG. 2 is an end view of the cathode protection detection device for the pipeline in the sleeve according to the utility model;

FIG. 3 is a cross-sectional view of an abutment block according to the present utility model;

FIG. 4 is a schematic view of the structure of the utility model except for the pipe;

FIG. 5 is an assembled connection diagram of the sleeve and clamping mechanism of the present utility model;

fig. 6 is a top view of the sleeve of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 and 2, the utility model provides a cathode protection detection device for a pipeline in a sleeve, which comprises a sleeve 1, a measuring tube 2, a plurality of insulating rubber sleeves 3 and a plurality of damping type clamping mechanisms 4, wherein the sleeve 1 is horizontally arranged along the axial direction, the insulating rubber sleeves 3 are axially arranged at the inner lower end of the sleeve 1 at intervals, an arc-shaped notch 301 which is consistent with the outer diameter of the pipeline 5 and is coaxially distributed with the sleeve 1 is concavely arranged in the middle of the upper end of each insulating rubber sleeve 3, the pipeline 5 axially passes through the sleeve 1 and is coaxially embedded in the arc-shaped notches 301 so as to be supported by the insulating rubber sleeves 3, the damping ends of the clamping mechanisms 4 are downwards arranged at the inner upper end of the sleeve 1 along the length direction of the sleeve 1, the through holes 405 which axially penetrate through are formed in the damping ends of the clamping mechanisms 4, the through holes 405 are aligned left and right so as to be used for the measuring tube 2 to axially penetrate through, and the pipeline 5 are coaxially distributed in the arc-shaped notch 301, and the clamping mechanisms 4 are used for pressing the pipeline 5 in the arc-shaped notch 301 and the insulating rubber sleeves 4, and the clamping mechanisms 4 are axially distributed in the sleeve 1 at intervals. The damping type structure is adopted by the clamping mechanism in the embodiment, so that the clamping mechanism can be automatically and tightly pressed at the upper end of the pipeline under the action of elasticity when being installed in the sleeve, manual intervention is not needed, the pipeline is only needed to be smoothly and conveniently inserted into the sleeve and clamped between the clamping mechanism and the insulating rubber sleeve, in addition, the distribution density of the clamping mechanism in the pipeline in the embodiment can be higher, and the distance between two adjacent clamping mechanisms can be 1-3m.

Referring to fig. 2 and 3, the through hole 405 is a bell mouth, and the thick end of the through hole 405 faces the same end; the lower extreme of damping end upwards concave be equipped with second arc breach 404, just second arc breach 404 link up about, a plurality of second arc breach 404 with the one end of being the tubaeform flaring for pipeline 5 penetrates, can be convenient like this inserts the pipeline to the sleeve pipe with the one end of second arc breach flaring, and the pipeline offsets the damping end compression damping pole with the flaring end of second arc breach and can extrude the damping pole in order to dodge the pipeline, of course, the same reason, the arc breach of insulating gum cover carries out flaring with the second arc breach the same, and the same of equal flaring end, and a plurality of poling holes all establish to tubaeform hole, can make measuring pipe pass a plurality of poling holes more easily like this.

Referring to fig. 1, 2 and 4, the clamping mechanism 4 includes a mounting block 401, an abutting block 402 and a plurality of damping members 403, the mounting block 401 is mounted at a corresponding position on the inner top of the sleeve 1, the plurality of damping members 403 are mounted at the lower end of the corresponding mounting block 401, the damping ends of the damping members are downward, the abutting block 402 is located below the corresponding mounting block 401, the upper ends of the damping members are connected with the damping ends of the corresponding damping members 403, the elastic force of the plurality of damping members 403 is downward so that the plurality of abutting blocks 402 are pressed on the pipeline 5, the abutting blocks 402 are damping ends of the clamping mechanism 4, the second arc-shaped notches 404 are arranged at the lower ends of the abutting blocks 402, and the through holes 405 penetrate through the abutting blocks 402 left and right, wherein the abutting blocks 402 are insulating plastic members, the damping members 403 are damping rods, the number of the damping members is at least four, and the damping members are distributed in a matrix, and the damping rods can be mounted at two ends of the damping rods and can be respectively fixedly connected.

Referring to fig. 5 and 6, the inner top wall of the sleeve 1 is provided with a sliding groove 101 penetrating through two ends of the sliding groove 101 along an axial direction, the upper end of the mounting block 401 is matched with the sliding groove 101 (the sliding groove is a T-shaped groove, the upper end of the mounting block is a T-shaped sliding block, the two sliding blocks are just in sliding fit), the mounting block 401 is slidably mounted at the sliding groove 101, a plurality of strip-shaped holes 102 are axially arranged on the bottom wall of the sliding groove 101 at intervals, the strip-shaped holes 102 are axially arranged, the strip-shaped holes 102 are correspondingly arranged with the mounting blocks 401, at least one screw hole 406 is arranged at the upper end of each mounting block 401, the screw hole 406 is aligned with the strip-shaped hole 102, and a screw hole threaded connection bolt 6 is inserted to fasten the mounting block 401 at a corresponding position of the sliding groove 101.

When the clamping mechanism is installed in the sleeve, the installation block of the clamping mechanism is in sliding connection with the sliding groove, the clamping mechanism is pushed into the sleeve by the supporting rod, a person observes at the corresponding bar hole independently, when the clamping mechanism is pushed to the bar hole, the screw hole is aligned with the bar hole, the bolt is screwed into the bar Kong Waixiang screw hole until the bolt is screwed and fastened on the sleeve, and the axial length of the installation block can be larger than that of the bar hole, so that the installation block can seal the bar hole after being installed in place.

The utility model improves the supporting mechanism (namely the clamping mechanism in the utility model) and the connection mode of the supporting mechanism and the inner wall of the sleeve on the basis of the prior art (a cathode protection remote detection device disclosed by CN 214193461U), and the rest of the structure can be understood by referring to the prior art.

The term "axial" in this embodiment is understood to mean either the axial or the longitudinal direction of the sleeve or pipe.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a casing inner tube cathodic protection detection device, its characterized in that, includes sleeve pipe, survey pipe, a plurality of insulating gum cover and a plurality of damping formula chucking mechanism, the sleeve pipe sets up along axial level, and a plurality of insulating gum cover sets up along axial interval the intraductal lower extreme of sleeve, and every insulating gum cover's upper end middle part indent be equipped with the pipeline external diameter unanimity and with the coaxial arc breach that distributes of sleeve pipe downwards, the pipeline passes along the axial the sleeve pipe to coaxial embedding is in a plurality of in the arc breach will by a plurality of insulating gum cover hold up the pipeline, a plurality of chucking mechanism is followed sleeve pipe length direction interval sets up the interior upper end of sleeve pipe, its damping end down, and its damping end has the poling hole that runs through along the axial, and a plurality of poling hole on the chucking mechanism aligns for the survey pipe passes along the axial, a plurality of chucking mechanism is used for with the pipeline compresses tightly in a plurality of in the arc breach.

2. The apparatus of claim 1, wherein the tube-in-tube cathode protection testing device is a horn-shaped tube-in-tube hole, and the thick ends of the tube-in-tube holes face the same end.

3. The cathode protection detection device for the pipeline in the sleeve of claim 1, wherein a second arc notch is concavely arranged at the lower end of the damping end upwards, the second arc notch is communicated left and right, and the same ends of a plurality of second arc notches are flared for the pipeline to pass through.

4. The cathode protection detection device for the pipeline in the sleeve according to claim 3, wherein the clamping mechanism comprises a mounting block, an abutting block and a plurality of damping pieces, the mounting block is mounted at the corresponding position of the inner top of the sleeve, the plurality of damping pieces are mounted at the lower ends corresponding to the mounting block, the damping ends of the damping pieces are downward, the abutting block is positioned below the corresponding mounting block, the upper ends of the abutting block are connected with the damping ends of the corresponding plurality of damping pieces, the elastic force of the plurality of damping pieces is downward so that the plurality of abutting blocks are pressed on the pipeline, the abutting block is the damping end of the clamping mechanism, the second arc-shaped notch is arranged at the lower ends of the abutting block, and the pipe penetrating hole penetrates through the abutting block left and right.

5. The apparatus of claim 4, wherein the abutment block is an insulating plastic member.

6. The apparatus of claim 4, wherein the damping member is a damping rod.

7. The cathode protection detection device for the pipeline in the sleeve according to claim 4, wherein a sliding groove penetrating through two ends of the inner top wall of the sleeve is axially formed in the inner top wall of the sleeve, the upper end of the mounting block is matched with the sliding groove, the mounting block is slidably mounted at the sliding groove, a plurality of strip-shaped holes are formed in the bottom wall of the sliding groove at intervals along the axial direction, the strip-shaped holes are axially formed in the bottom wall of the sliding groove, the strip-shaped holes are correspondingly formed in the mounting block, at least one screw hole is formed in the upper end of each mounting block, and the screw holes are aligned with the strip-shaped holes and fastened at corresponding positions of the sliding groove through a bolt in threaded connection with the screw holes.

8. The in-casing cathodic protection testing apparatus of any one of claims 1-7 wherein the plurality of insulating sleeves and the plurality of gripping mechanisms are staggered in the axial direction.