CN215678212U - Safe type electric spark detects instrument suitable for pipeline lining plastic lining is glued - Google Patents

Abstract

The utility model relates to the technical field of pipeline installation, in particular to a safe type electric spark detection tool suitable for a pipeline lined with plastic lining rubber. The utility model is realized by the following technical scheme: a safety type electric spark detection tool suitable for a pipeline lined with plastic and rubber comprises a detection brush, a detection brush extension adjusting device, an electric wire, a main rod, an operating handle with an on-off key, and an in-pipe support platform for supporting the weight of the front end of the main rod, wherein the detection brush extension adjusting device comprises a first rod and a second rod which are movably connected in the axial direction and move relatively, and the in-pipe support platform comprises an annular device, a support and a roller. The utility model aims to provide a safe electric spark detection tool suitable for lining plastic and lining rubber of a pipeline, aiming at the plastic and lining rubber pipelines with different lengths, the safe electric spark detection tool can perform safe detection without detection blind spots, and improves the detection efficiency and the safety of the pipeline in use.

Description

Safe type electric spark detects instrument suitable for pipeline lining plastic lining is glued

Technical Field

The utility model relates to the technical field of pipeline installation, in particular to a safe type electric spark detection tool suitable for a pipeline lined with plastic lining rubber.

Background

The nuclear power station can generate heat sources when working, and the heat sources need a large amount of seawater for cooling, so the nuclear power station needs a large amount of pipelines in the construction. Seawater has strong corrosivity, and ordinary pipeline is corroded easily, in order to prolong the life of pipeline, promotes the economic nature of entire system equipment, can select for use the pipeline that has lining plastic lining glue. The quality detection of the lining plastic and the lining rubber is carried out before the pipeline is used. The better the quality of the lining plastic lining rubber and the better the insulativity of the hook.

In the prior art, an inspector often uses an electric spark detection tool to perform insulation detection on a lining plastic pipeline. For example, chinese patent publication No. CN206470236U discloses an electric spark detecting device, which includes a long rod and a probe brush, but the detecting device has the following defects in use: the long rod is fixed in length, and when the long pipeline is detected, an inaccessible area exists, so that the pipeline with quality defects is not detected. Unqualified pipelines are used in the construction of the nuclear power station, potential safety hazards exist, and the pipelines are replaced in the later period to bring loss to manpower and financial resources. Therefore, how to adjust the length of the detection tool is adjustable, which becomes a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe electric spark detection tool suitable for lining plastic and lining rubber of a pipeline, aiming at the plastic and lining rubber pipelines with different lengths, the safe electric spark detection tool can perform safe detection without detection blind spots, and improves the detection efficiency and the safety of the pipeline use.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a safe type electric spark detects instrument suitable for lining is moulded to pipeline lining and is glued, contains mobile jib, power cord and spy brush, the mobile jib contain pole one and with the pole two that spy brush is connected, pole one and two swing joint of pole just can be in axial direction relative movement.

Therefore, the safe type electric spark detection tool suitable for the pipeline is lined with the plastic lining rubber comprises a main rod, and the main rod comprises a first rod and a second rod. The first rod and the second rod are movably connected and move relatively in the axial direction, and the moving design of the first rod and the second rod can be a telescopic sleeve design mode or a thread matching design mode. According to the length of the detected pipeline, after the second movable rod moves to a proper position, the first fixed rod and the second fixed rod are fixed, namely, the detection distance of the detection tool is prolonged or shortened, the detectable range of the pipeline is enlarged, and the detection efficiency and the qualified rate of the pipeline are improved.

Preferably, the first rod and the second rod are provided with holes on the surfaces thereof for the fixing pieces to pass through.

Therefore, the inspector selects the holes with proper lengths of the first rod and the second rod according to the length of the detected pipeline, and the fixing piece penetrates through the holes to fix the first rod and the second rod, so that the purpose of adjusting the length of the main rod is achieved. The fixing piece can be of a bolt structure or can be fixed by a buckle. Set up the hole and use the mounting fixed make mobile jib length adjustment simpler, improve detection efficiency.

Preferably, the second rod is movably connected with the detecting brush extension adjusting device and can move relatively in the axial direction, and the detecting brush penetrates through the detecting brush extension adjusting device.

Therefore, the detector adjusts the extension adjusting device of the probe brush according to the caliber of the detected pipeline so as to change the extension of the probe brush. The extension adjusting device of the probe brush and the second rod can be connected through a sleeve with threads or a clamp connection. If the extension adjusting device of the probe brush is not arranged, when the caliber of the pipeline is overlarge, the gap between the probe brush and the inner wall of the pipeline is overlarge, so that the detection is insufficient, the damaged pipeline cannot be eliminated, and potential safety hazards exist; when the pipe caliber is too small, there are two cases: one is that the probe brush cannot enter a small-bore pipeline; another situation is where the probe brush enters the pipe, but the gap with the inner wall of the pipe is too small, so that the probe brush damages the inner wall, causing losses. In addition, when the extension amount of the probe brush is too large, the front end of the probe brush curls and turns, sparks are generated, and detection is mistaken.

Preferably, the main rod connecting pipe supports a rack inside, and the in-pipe support rack includes a bracket.

Therefore, during detection, due to the self weight of the front end of the detection device, the detection brush touches the lower wall of the pipeline, on one hand, the detection brush cannot detect the upper wall of the pipeline, and the qualification rate of the pipeline is reduced; on the other hand, the probing brush is made of metal materials, so that the plastic lining glue layer of the lower wall of the pipeline is easily damaged, and unnecessary loss is caused. After the bracket is used, the problems are solved.

Preferably, the main rod connecting pipe supports a rack inside, the in-pipe support rack comprises a ring-shaped device connected with the main rod, and the main rod and the ring-shaped device can rotate relatively.

Therefore, after the main rod passes through the annular device connecting pipe inner support rack, the main rod can realize relative rotation, and the annular device can be a bearing, a bearing bush, a self-lubricating copper bush and the like. The spy brush that makes to be connected with the mobile jib also can rotate in the pipeline, and is further for spy brush detection range is bigger, promotes the pipeline and detects the qualification rate.

Preferably, the second rod of the main rod is connected with the annular device.

Therefore, the second rod in the main rod is connected with the annular device, the distance between the in-pipe support rack and the detection brush is shortened, the in-pipe support rack can bear the weight near the detection brush to a greater extent, and the problems that the detection brush is not in place due to unnecessary damage to the inner wall and unnecessary detection are caused due to the fact that the position of the detection brush moves downwards due to the self weight of the front end are solved.

Preferably, the bottom of the bracket is connected with a roller.

Therefore, when the detection device enters the pipeline, the sliding friction during movement is converted into rolling friction by using the roller 22, and the friction force is reduced. The roller can be made of rubber, and adverse effects on the pipeline caused by friction are further reduced.

Preferably, the main rod is connected with an operating handle, the operating handle comprises a switch, and the rear end of the operating handle is connected with a power line.

Therefore, when the detection device is used, a detector holds the operating handle with the power switch key, and can timely turn on and off the power supply according to the situation, so that the detection operation is convenient.

In conclusion, the utility model has the following beneficial effects:

1. the setting contains the mobile jib of a pole two for the inspector can adjust mobile jib length according to the pipeline length that is detected, and the inspector uses the fixed interior outer pole of mounting after selecting suitable length, can measure the pipeline of different length after fixed. The problem of the detection instrument in the past can't detect pipeline depths lining plastic lining rubber quality because length is fixed is solved.

2. The extension adjusting device of the probe brush is arranged, so that a detector can adjust the extension of the probe brush according to the caliber of a detected pipeline, and the problem that the detection is not in place due to the small extension of the probe brush is solved. The problems that the inner wall is damaged due to the large extending amount of the probe brush and the inner wall of the pipeline cannot enter the pipeline detection device are solved.

3. Set up intraductal support rack, avoid pasting in the tube bottom because of the influence of dead weight because of the action bars front end, cause the intraductal upper wall of unable detection, also avoid leading to exploring brush contact tube lower wall to lead to the lower wall to mould the lining glue film by the damage because of the dead weight originally intact lining. Further, intraductal brace table frame makes the mobile jib can carry out the inner wall and measure all around in the pipeline free rotation for detection range is wider, has promoted the qualification rate.

4. The bottom of the landing leg of the rack is provided with the rubber roller, which is convenient for the pushing of the rack and the self insulation, and can avoid damaging the lining plastic lining rubber inside the pipeline when pushing or rotating.

5. The operating handle is arranged, and the on-off key and the operating handle are integrated, so that the operation of a detector is facilitated.

Description of the drawings:

FIG. 1 is a schematic diagram of a first embodiment;

in the figure:

1. the device comprises a probing brush extension adjusting device 2, a support frame 21 in a pipe, a ring device 22, rollers 23, a support 3, a main rod 31, a first rod 32, a second rod 4, an operating handle 41, an on-off key 5, a probing brush 6 and a power line.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Embodiment 1, as shown in fig. 1, a safety type electric spark detection tool suitable for a pipeline lined with plastic lining glue comprises a probe brush extension amount adjusting device 1, a support rack 2 in the pipeline, a main rod 3, an operating handle 4, a probe brush 5 and a power line 6. The in-tube support stand 2 includes a ring-shaped device 21, a roller 22, and a bracket 23. The primary lever 3 includes a first lever 31 and a second lever 32. The operation handle 4 includes an on-off key 41.

The probe brush 5 is fixedly connected with the second rod 32, and the front end of the probe brush 5 is in a divergent shape. The extension adjusting device 1 of the probe brush is in a sleeve shape and penetrates through the probe brush 5 to be movably connected with the second rod 32. The connection mode can be a threaded sleeve connection, a clamping hoop connection and the like. If the detecting brush extension adjusting device 1 is not arranged, when the caliber of the pipeline is overlarge, the gap between the detecting brush 5 and the inner wall of the pipeline is overlarge, so that the detection is insufficient, the damaged pipeline cannot be removed, and potential safety hazards exist; when the pipe caliber is too small, there are two cases: one is that the probe brush 5 cannot enter a small-diameter pipeline; another situation is where the probe brush 5 enters the pipe, but the clearance with the inner wall of the pipe is so small that the probe brush 5 damages the inner wall, causing losses. Further, when the probe brush 5 is excessively extended, the tip end thereof curls and turns, and sparks are generated, thereby causing a detection error.

The annular device 21 in the pipe inner support stand 2 is fixedly connected with a bracket 23, and the bottom of the bracket 23 is connected with a roller 22. Wherein, the support 23 plays a role in supporting the dead weight of the front end of the detection device and preventing the probe brush 5 from moving downwards. The in-pipe support rack 2 is connected with the second rod 32 through an annular device 21, wherein the annular device 21 enables the detection device to rotate in all directions after entering a pipeline, and the detection range is enlarged; the distance between the support rack 2 and the detection brush 5 in the pipe is shortened by connecting the support rack with the second rod 32, so that the support rack 2 in the pipe can bear the weight near the detection brush 5 to a greater extent, and the problems of unnecessary damage to the inner wall and incomplete detection caused by the downward movement of the position of the detection brush 5 due to the dead weight of the front end are solved. The roller 22 connected to the bottom of the bracket 23 is made of rubber, so that the friction force generated when the detection device moves into a pipeline is reduced.

Holes for fixing pieces to pass through are formed in the first rod 31 and the second rod 32 in the main rod 3, the first rod 31 is movably connected with the second rod 32, and the fixing pieces are used for respectively passing through the holes of the first rod 31 and the second rod 32 to fix the two rods after the position of the second rod 32 is moved in the axial direction. Namely, the length of the main rod 3 is changed, so that the aim of detecting pipelines with different lengths is fulfilled. The moving design of the first rod 31 and the second rod 32 can be a telescopic design mode. The extension or the shortening of the detection distance of the detection tool is realized, the detectable range of the pipeline is enlarged, and the detection efficiency and the qualified rate of the pipeline are improved.

Operating handle 4 and mobile jib 3 fixed connection, on & off switch 41 sets up on operating handle 4 for the person's of detection switching power supply is more convenient, has improved detection efficiency.

Embodiment 2 differs from embodiment 1 in that the protruding length of the first rod 31 and the second rod 32 is adjusted in a different manner, in the first embodiment, a telescopic sleeve is used, and holes for fixing members to pass through are formed in the first rod 31 and the second rod 32. In this case, the first rod 31 and the second rod 32 can be connected by a threaded sleeve without a hole.

Claims (8)

1. The utility model provides a safe type electric spark detects instrument suitable for pipeline lining plastic lining is glued, contains mobile jib (3), power cord (6) and spy brush (5), its characterized in that, mobile jib (3) contain pole one (31) and with spy two (32) of pole that brush (5) are connected, pole one (31) and two (32) swing joint of pole just can be in axial direction relative movement.

2. The safety type electric spark detection tool suitable for the pipeline lining plastic lining rubber as claimed in claim 1, wherein holes for the fixing pieces to pass through are formed in the surfaces of the first rod (31) and the second rod (32).

3. The safety type electric spark detection tool suitable for the pipeline lining plastic lining rubber as claimed in claim 1, wherein the second rod (32) is movably connected with the probe brush extension adjusting device (1) and can move relatively in the axial direction, and the probe brush (5) penetrates through the probe brush extension adjusting device (1).

4. The safety type electric spark detection tool suitable for the pipeline lined with the plastic lining rubber as claimed in claim 1, wherein the main rod (3) is connected with the pipe inner support rack (2), and the pipe inner support rack (2) comprises a support (23).

5. The safety type electric spark detection tool suitable for the pipeline lined with the plastic lining rubber as claimed in claim 4, wherein the in-pipe support rack (2) comprises an annular device (21) connected with the main rod (3), and the main rod (3) and the annular device (21) can rotate relatively.

6. The safety type electric spark detection tool suitable for the pipeline lined with the plastic lining is characterized in that the second rod (32) of the main rod (3) is connected with the annular device (21).

7. The safety type electric spark detection tool suitable for the pipeline lining plastic lining rubber as claimed in claim 4, characterized in that a roller (22) is connected with the bottom of the bracket (23).

8. The safety type electric spark detection tool suitable for the pipeline lined with the plastic lining rubber is characterized in that the main rod (3) is connected with an operating handle (4), the operating handle (4) comprises a switch (41), and the rear end of the operating handle is connected with a power line (6).

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