CN215297629U - Online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer - Google Patents
Online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer Download PDFInfo
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- CN215297629U CN215297629U CN202121761971.XU CN202121761971U CN215297629U CN 215297629 U CN215297629 U CN 215297629U CN 202121761971 U CN202121761971 U CN 202121761971U CN 215297629 U CN215297629 U CN 215297629U
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Abstract
The utility model discloses an online high-speed leakage detection device of nodular cast-iron pipe insulating layer, including being used for carrying out earth-leakage detection's detection mechanism I and the detection mechanism II that is used for carrying out earth-leakage detection to the insulating layer of nodular cast-iron pipe internal surface to the insulating layer of nodular cast-iron pipe surface, detection mechanism I is located the top of nodular cast-iron pipe supply line, and detection mechanism II is located the lateral part of nodular cast-iron pipe supply line, carries out real-time on-line measuring to the surface insulating layer and the internal surface insulating layer of nodular cast-iron pipe. The electric leakage detection device further comprises a supporting mechanism used for supporting the nodular cast iron pipe, the supporting mechanism comprises a rotary riding wheel and a riding wheel seat, the nodular cast iron pipe is placed on the rotary riding wheel and rotates along with the rotary riding wheel, and the full-area electric leakage detection is achieved. The utility model discloses an use machinery to replace artifical the detection, efficiency obtains greatly promoting, has realized examining on line product completely, has reduced workman intensity of labour, has improved detection stability and detection quality.
Description
Technical Field
The utility model belongs to the technical field of the pipe fitting casting, concretely relates to online high-speed leakage detection device of nodular cast-iron pipe insulating layer.
Background
The nodular cast iron is sprayed on the inner wall and the outer wall through inner spraying and outer spraying, the inner wall and the outer wall are sprayed with insulating layers, in order to ensure the coating quality, special equipment is needed to perform electric leakage detection on the whole area inside and outside, and once the coating has defects, the discharge phenomenon can occur at a leakage point.
The detection equipment who uses at present is handheld device, and the interior outer wall coating detects by the handheld brush of manual work, and detection efficiency is low, appears leaking the problem of examining moreover easily.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model aims to provide a simple structure, convenient to use's online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer, this electric leakage detection device can carry out automated inspection and carry out the record to the electric leakage position to nodular cast-iron pipe insulating layer, and detection efficiency is high, is difficult to appear leaking the problem of examining moreover.
In order to achieve the above purpose, the technical scheme of the utility model is that: an online high-speed leakage detection device for insulating layers of nodular cast iron pipes comprises a detection mechanism I and a detection mechanism II, wherein the detection mechanism I is used for detecting leakage of the insulating layers on the outer surfaces of the nodular cast iron pipes, the detection mechanism II is used for detecting leakage of the insulating layers on the inner surfaces of the nodular cast iron pipes, the detection mechanism I is positioned above a transportation line of the nodular cast iron pipes, the detection mechanism II is positioned on the side part of the transportation line of the nodular cast iron pipes, and the insulating layers on the outer surfaces and the insulating layers on the inner surfaces of the nodular cast iron pipes are detected online in real time; the detection brush heads of the detection mechanism I and the detection mechanism II are metal brush heads.
Furthermore, detection mechanism I passes through the rack-mount in the top of supporting mechanism, and detection brush head I of detection mechanism I contacts with the surface insulating layer of nodular cast iron pipe, and detection mechanism I can move on the rack.
Furthermore, the detection mechanism II is arranged on the side part of the supporting mechanism through a ground rail, a detection brush head II of the detection mechanism II extends into the nodular cast iron pipe and is in contact with an insulating layer on the inner surface of the nodular cast iron pipe, and the detection mechanism II moves on the ground rail.
Furthermore, the electric leakage detection device also comprises a supporting mechanism for supporting the nodular cast iron pipe, the supporting mechanism comprises a rotary riding wheel and a riding wheel seat, the rotary riding wheel is arranged on the riding wheel seat, the rotary riding wheel can rotate on the riding wheel seat, and the nodular cast iron pipe is placed on the rotary riding wheel and rotates along with the rotary riding wheel.
Further, detection mechanism I is including detecting car I, connecting rod I and detection brush head I, detects car I and passes through track sliding connection in the frame, and the one end of connecting rod I is connected on detecting car I, and the other end and the first I connection of detection brush of connecting rod I.
Further, detection mechanism I still includes lifting module, and lifting module installs and detects car I and along with detecting I motion of car, and lifting module includes servo motor and lead screw, the one end of lead screw and servo motor's output shaft, and the other end and the connecting rod I of lead screw are connected.
Further, detection mechanism II is including detecting car II, connecting rod II and detection brush head II, detects car II and connects on the ground rail and along the motion of ground rail, and the one end of connecting rod II is connected on detecting car II, and the other end and the detection brush head II of connecting rod II are connected.
Furthermore, the speed of the detection brush head I moving along with the detection vehicle I is smaller than the speed of the nodular cast iron pipe rotating along with the rotating riding wheel.
Furthermore, the speed of the detection brush head II moving along with the detection vehicle II is smaller than the speed of the nodular cast iron pipe rotating along with the rotating riding wheel.
Furthermore, the frame includes stand and track roof beam, and the stand symmetry sets up in the both sides of rotatory riding wheel, and the one end fixed connection of stand is on the ground, and the track roof beam is connected at the other end of stand, and the track roof beam is parallel with nodular cast iron pipe, is equipped with the track that supplies to detect I operation of car on the track roof beam.
Adopt the utility model discloses technical scheme's advantage does:
1. the utility model discloses having founded dedicated detection mechanism, having used the electricity to drive, having used mechanical structure to replace the manual work, having used the microcomputer to gather discharge current, realized carrying out high-speed leakage detection on line to insulating coating, realized using machinery to replace artifical the detection, efficiency obtains greatly promoting, has realized examining on line product completely, has reduced workman intensity of labour, has improved detection stability and detection quality.
2. The leakage detection of the outer surface insulating layer of the nodular cast iron pipe and the leakage detection of the inner surface insulating layer of the nodular cast iron pipe 8 can be carried out simultaneously or separately and independently; the utility model discloses a detection mechanism I and detection mechanism II set up to two detection mechanism each other not influencing, mutually independent, have strengthened the utility model discloses online high-speed earth leakage detection device of nodular cast-iron pipe insulating layer's suitability.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is the utility model discloses online high-speed earth leakage detection device of nodular cast-iron pipe insulating layer schematic diagram.
The labels in the above figures are respectively: 1. a lifting module; 2. detecting a vehicle I; 3. a connecting rod I; 5. detecting a brush head I; 6. a riding wheel seat; 7, rotating the riding wheel; 8. a ductile iron pipe; 9. a ground rail; 10. detecting a vehicle II; 11. a connecting rod II; 12. detecting a brush head II; 13. a frame; 14. a servo motor; 15. and a lead screw.
Detailed Description
In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; the directional or positional relationship indicated as "circumferential" or the like is based on the directional or positional relationship shown in the drawings, and is only for convenience of description and simplified description, and does not indicate or imply that the device or element referred to must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.
As shown in fig. 1, the online high-speed electric leakage detection device for the insulating layer of the nodular cast iron pipe comprises a detection mechanism I for detecting the electric leakage of the insulating layer on the outer surface of the nodular cast iron pipe 8 and a detection mechanism II for detecting the electric leakage of the insulating layer on the inner surface of the nodular cast iron pipe 8, wherein the detection mechanism I is positioned above a transportation line of the nodular cast iron pipe 8, the detection mechanism II is positioned at the side part of the transportation line of the nodular cast iron pipe 8, and the real-time online detection is carried out on the insulating layer on the outer surface and the insulating layer on the inner surface of the nodular cast iron pipe 8.
Detection mechanism I is including detecting car I2, connecting rod I3 and detection brush head I5, detects car I2 and passes through track sliding connection in frame 13, and the one end of connecting rod I3 is connected on detecting car I2, and the other end and the detection of connecting rod I3 brush head I5 are connected. Detection mechanism I still includes lifting module 1, and lifting module 1 installs and detects car I2 and along with detecting car I2 motion, and lifting module 1 includes servo motor 14 and lead screw 15, and lead screw 15's one end and servo motor 14's output shaft, and lead screw 15's the other end is connected with connecting rod I3. Detect car I2 and drive detection brush head I5 and remove at the horizontal direction, lift module 1 drives detection brush head I5 and reciprocates, realizes the adjustment of detection brush head I5 position, guarantees detection brush head I5 and nodular cast-iron pipe 8's surface insulating layer bonding contact, but still needs to guarantee detection brush head I5 along 8 axial motion's of nodular cast-iron pipe in the same direction as the length nature.
Detection mechanism I passes through frame 13 and installs in the top of supporting mechanism, and detection brush head I5 of detection mechanism I contacts with the surface insulating layer of nodular cast iron pipe 8, and detection mechanism I can move on frame 13. The detection mechanism II is arranged on the side part of the supporting mechanism through the ground rail 9, a detection brush head II 12 of the detection mechanism II extends into the nodular cast iron pipe 8 and is in contact with the insulating layer on the inner surface of the nodular cast iron pipe 8, and the detection mechanism II moves on the ground rail 9.
The electric leakage detection device further comprises a supporting mechanism for supporting the nodular cast iron pipe 8, the supporting mechanism comprises a rotary supporting wheel 7 and a supporting wheel seat 6, the rotary supporting wheel 7 is installed on the supporting wheel seat 6, the rotary supporting wheel 7 can rotate on the supporting wheel seat 6, and the nodular cast iron pipe 8 is placed on the rotary supporting wheel 7 and rotates along with the rotary supporting wheel 7 to complete detection of all surfaces in one circle. Specifically, the rotary riding wheel 7 is connected to the riding wheel seat 6 through a rotating shaft in a rotating mode, the electric leakage detection device further comprises a motor used for driving the rotary riding wheel 7 to rotate and a chain and a gear used for transmission, gears are arranged on an output shaft of the motor and the rotating shaft of the rotary riding wheel, the two gears are meshed with the chain, and power is transmitted through the chain. The motor drives the gear and the chain to move to drive the rotary riding wheel 7 to rotate, and the nodular cast iron pipe 8 is placed on the rotary riding wheel 7 to rotate along with the rotation of the rotary riding wheel 7.
The frame 13 comprises upright columns 131 and track beams 132, the upright columns 131 are symmetrically arranged on two sides of the rotary supporting wheel 7, one ends of the upright columns 131 are fixedly connected to a foundation, the track beams 132 are connected to the other ends of the upright columns 131, the upright columns 131 are located on two sides of the nodular cast iron pipe 8, the track beams 132 stretch across the nodular cast iron pipe 8 and are parallel to the nodular cast iron pipe 8, tracks for the detection vehicle I2 to run are arranged on the track beams 132, and the detection vehicle I2 runs on the track beams 132.
Detection mechanism II is including detecting II 10 of car, connecting rod II 11 and detection brush head II 12, detects II 10 of car and connects on ground rail 9 and along the motion of ground rail 9, and the one end of connecting rod II 11 is connected on detecting car II 10, and the other end and the detection of connecting rod II 11 brush head II 12 are connected.
The detection brush head I5 and the detection brush head II 12 are both metal brush heads, the detection vehicle I2 and the detection vehicle II 10 are both provided with a microcomputer, the detection brush head I5 and the detection brush head II 12 are electrified and are respectively connected with the microcomputer on the detection vehicle I2 and the detection vehicle II 10, the detection brush head I5 and the detection brush head II 12 are also provided with a position sensor and a camera, and the position sensor and the camera are both connected with the microcomputer; when the electrified metal brush head is subjected to electric leakage, the electric leakage can be discharged, and at the moment, the position sensor and the camera transmit the position information and the picture of the discharge position to the microcomputer for displaying.
According to different tube types, when the brush head is lowered to a designated position, the detection vehicle I2 drives the detection brush head I5 to axially move along the nodular cast iron pipe 8, the rotary riding wheel 7 drives the nodular cast iron pipe 8 to rotate while moving, detection of all surfaces in a circle is completed, when the detection brush head I5 moves from one end to the other end along the nodular cast iron pipe 8, detection of leakage points on all outer surfaces is completed, and if a discharge phenomenon occurs, a computer records the position and stores the position in a system.
In order to ensure that all the outer surfaces of the nodular cast iron pipe 8 are detected when the detection brush head I5 moves from one end of the nodular cast iron pipe 8 to the other end, the speed of the detection brush head I5 moving along with the detection vehicle I2 is set to be smaller than the speed of the nodular cast iron pipe 8 rotating along with the rotating riding wheel 7; the area of the contact surface of the detection brush head I5 and the nodular cast iron pipe 8 is larger as much as possible, the rotary supporting wheel 7 is ensured to drive the nodular cast iron pipe 8 to rotate for a circle, the axial moving distance of the detection brush head I5 along the nodular cast iron pipe 8 does not exceed the area detected by the detection brush head I5 in the previous step of rotating the nodular cast iron pipe 8 for a circle, and the detection omission condition of the nodular cast iron pipe 8 is ensured; the operation is automatic detection by controlling mechanical parts, so that manual detection is replaced by machinery, and the efficiency is greatly improved.
The inner wall of the nodular cast iron pipe 8 is detected by the detection brush head II 12, the detection vehicle II 10 is further provided with a lifting mechanism, the lifting mechanism is connected to the detection vehicle II 10, the detection brush head II 12 is connected to the lifting mechanism through the connecting rod II 11, and the lifting mechanism can be a cylinder, a hydraulic cylinder or a motor and a lead screw and can be selected according to actual requirements. The lifting mechanism enables the connecting rod II 11 and the detection brush head II 12 to move up and down and is used for matching the nodular cast iron pipes 8 with different pipe diameters.
During detection, the detection vehicle II 10 drives the detection brush head II 12 to move along the inside of the nodular cast iron pipe 8, the detection brush head II 12 is in contact with an insulating layer on the inner surface of the nodular cast iron pipe 8 in a fitting mode, the nodular cast iron pipe 8 is driven to rotate by the rotating supporting wheel 7 while moving, detection of all surfaces of a circle is completed, when the detection brush head II 12 moves from one end to the other end along the nodular cast iron pipe 8, detection of leakage points on all outer surfaces is completed, if a discharging phenomenon occurs, a computer records the position of the detection brush head II, and the position of the detection brush head II is stored in the system. During detection, the rotary riding wheel 7 must drive the nodular cast iron pipe 8 to rotate, and full-area leakage detection is achieved.
Similarly, in order to ensure that all the inner surfaces of the nodular cast iron pipe 8 are detected when the detection brush head II 12 moves from one end of the nodular cast iron pipe 8 to the other end, the speed of the movement of the detection brush head II 12 along with the detection vehicle II 10 is set to be less than the speed of the rotation of the nodular cast iron pipe 8 along with the rotating riding wheel 7; the area of the contact surface of the detection brush head II 12 and the nodular cast iron pipe 8 is larger as much as possible, the rotary supporting wheel 7 is ensured to drive the nodular cast iron pipe 8 to rotate for a circle, the axial moving distance of the detection brush head II 12 along the nodular cast iron pipe 8 does not exceed the area detected by the detection brush head II 12 in the previous step of rotating the nodular cast iron pipe 8 for a circle, and the detection omission condition of the nodular cast iron pipe 8 is ensured; the operation is automatic detection by controlling mechanical parts, so that manual detection is replaced by machinery, and the efficiency is greatly improved.
The detection of the leakage of the outer surface insulating layer of the nodular cast iron pipe 8 and the detection of the leakage of the inner surface insulating layer of the nodular cast iron pipe 8 can be carried out simultaneously or separately; when the detection is carried out simultaneously, preferably, the speed of the detection brush head I5 moving along with the detection vehicle I2 is the same as the speed of the detection brush head II 12 moving along with the detection vehicle II 10, so that the nodular cast iron pipe 8 rotates once, the detection of the inner surface and the outer surface can be completed simultaneously, the working efficiency is high, and the energy consumption is low. But when actual production, the condition that needs the inside and outside surface detection separately or only need detect the one side can appear in the unable meeting of avoiding, so the utility model discloses a detection mechanism I and detection mechanism II set up to each other not influence, two detection structures of mutual independence, have strengthened the utility model discloses online high-speed earth leakage detection device of nodular cast iron pipe insulating layer's suitability.
The utility model discloses having founded dedicated detection mechanism, having used the electricity to drive, having used mechanical structure to replace the manual work, having used the microcomputer to gather discharge current, realized carrying out high-speed leakage detection on line to insulating coating, realized using machinery to replace artifical the detection, efficiency obtains greatly promoting, has realized examining on line product completely, has reduced workman intensity of labour, has improved detection stability and detection quality.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer which characterized in that: the detection mechanism I is positioned above a transportation line of the nodular cast iron pipe (8), the detection mechanism II is positioned at the side part of the transportation line of the nodular cast iron pipe (8), and the outer surface insulating layer and the inner surface insulating layer of the nodular cast iron pipe (8) are subjected to real-time online detection; the detection brush heads of the detection mechanism I and the detection mechanism II are metal brush heads.
2. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 1, wherein: the detection mechanism I is arranged above the supporting mechanism through a rack (13), a detection brush head I (5) of the detection mechanism I is in contact with an outer surface insulating layer of the nodular cast iron pipe (8), and the detection mechanism I can move on the rack (13).
3. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 1, wherein: the detection mechanism II is arranged on the side part of the supporting mechanism through a ground rail (9), a detection brush head II (12) of the detection mechanism II extends into the nodular cast iron pipe (8) and is in contact with an insulating layer on the inner surface of the nodular cast iron pipe (8), and the detection mechanism II moves on the ground rail (9).
4. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 2 or 3, wherein: the electric leakage detection device further comprises a supporting mechanism for supporting the nodular cast iron pipe (8), the supporting mechanism comprises a rotary supporting wheel (7) and a supporting wheel seat (6), the rotary supporting wheel (7) is installed on the supporting wheel seat (6), the rotary supporting wheel (7) can rotate on the supporting wheel seat (6), and the nodular cast iron pipe (8) is placed on the rotary supporting wheel (7) and rotates along with the rotary supporting wheel (7).
5. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 4, wherein: detection mechanism I is including detecting car I (2), connecting rod I (3) and detection brush head I (5), detects car I (2) and passes through track sliding connection in frame (13), and the one end of connecting rod I (3) is connected on detecting car I (2), and the other end and the detection of connecting rod I (3) are brushed first I (5) and are connected.
6. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 5, wherein: detection mechanism I still includes lifting module (1), and lifting module (1) is installed and is being detected car I (2) and along with detecting car I (2) motion, and lifting module (1) includes servo motor (14) and lead screw (15), and the one end of lead screw (15) is connected with the output shaft of servo motor (14), and the other end and the connecting rod I (3) of lead screw (15) are connected.
7. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 4, wherein: the detection mechanism II comprises a detection vehicle II (10), a connecting rod II (11) and a detection brush head II (12), the detection vehicle II (10) is connected to the ground rail (9) and moves along the ground rail (9), one end of the connecting rod II (11) is connected to the detection vehicle II (10), and the other end of the connecting rod II (11) is connected with the detection brush head II (12).
8. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 6, wherein: the speed of the detection brush head I (5) moving along with the detection vehicle I (2) is less than the speed of the ductile cast iron pipe (8) rotating along with the rotating riding wheel (7).
9. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 7, wherein: the speed of the detection brush head II (12) moving along with the detection vehicle II (10) is less than the speed of the ductile cast iron pipe (8) rotating along with the rotary riding wheel (7).
10. The online high-speed leakage detection device for the insulating layer of the nodular cast iron pipe as claimed in claim 2, wherein: the frame (13) comprises upright columns (131) and track beams (132), the upright columns (131) are symmetrically arranged on two sides of the rotary supporting wheel (7), one ends of the upright columns (131) are fixedly connected to a foundation, the track beams (132) are connected to the other ends of the upright columns (131), the track beams (132) are parallel to the nodular cast iron pipes (8), and tracks for the detection vehicle I (2) to run are arranged on the track beams (132).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761971.XU CN215297629U (en) | 2021-07-30 | 2021-07-30 | Online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761971.XU CN215297629U (en) | 2021-07-30 | 2021-07-30 | Online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer |
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| CN215297629U true CN215297629U (en) | 2021-12-24 |
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| CN202121761971.XU Active CN215297629U (en) | 2021-07-30 | 2021-07-30 | Online high-speed electric leakage detection device of nodular cast-iron pipe insulating layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534009A (en) * | 2021-07-30 | 2021-10-22 | 芜湖新兴铸管有限责任公司 | Online high-speed leakage detection device and detection method for insulating layer of nodular cast iron pipe |
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2021
- 2021-07-30 CN CN202121761971.XU patent/CN215297629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534009A (en) * | 2021-07-30 | 2021-10-22 | 芜湖新兴铸管有限责任公司 | Online high-speed leakage detection device and detection method for insulating layer of nodular cast iron pipe |
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