CN216484698U - PE pipe electric fusion connects detection device - Google Patents
PE pipe electric fusion connects detection device Download PDFInfo
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- CN216484698U CN216484698U CN202123031384.8U CN202123031384U CN216484698U CN 216484698 U CN216484698 U CN 216484698U CN 202123031384 U CN202123031384 U CN 202123031384U CN 216484698 U CN216484698 U CN 216484698U
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Abstract
The utility model discloses a PE manages electric fusion and connects detection device, establish guide rail set spare and determine module on two sections PE pipes including detachable cover. The device is used for detecting fusion welds, firstly, the two guide rail assemblies are respectively clamped on the PE pipes at the two ends of the connecting sleeve, the chain wheel is meshed with the corresponding chain, and the limiting block is movably clamped in the corresponding limiting groove. Then, a first motor is started to drive the screw rod to rotate, the sliding block, the connecting rod and the adjusting rod move along the guide rod, the phased array detection probe is driven to move from one end of the connecting sleeve to the other end of the connecting sleeve, and nondestructive detection is completed on a part of the welding seam. Then two second motors are started simultaneously to drive the corresponding chain wheels to rotate, and the detection assembly is driven to pass through a certain angle around the PE pipe. And repeating the steps until the detection assembly rotates for a circle around the PE pipe, and completing the detection of the whole fusion welding seam at the joint. Convenient operation, the cost of using manpower sparingly, detection efficiency improves greatly.
Description
Technical Field
The utility model belongs to the technical field of PE pipe electric fuse joint detects, concretely relates to PE pipe electric fuse joint detection device.
Background
The joint of the two sections of PE pipes is sleeved with a connecting sleeve, a resistance wire is laid between the outer wall of the joint and the sleeve, and then the resistance wire is electrified and heated to melt the contact part of the joint and the sleeve into a whole, so that the two PE pipes are connected.
Whether the leakage phenomenon exists in the welding seam connection part of the PE pipe, whether the quality of the electric melting joint is good or not is usually detected by adopting a phased array nondestructive testing technology, so that a phased array probe is attached to the connecting sleeve to move back and forth, 360-degree scanning is carried out on the connection part, and the quality of the electric melting connection quality of the joint is confirmed by checking the echo height of the welding seam part.
In the prior art, the phased array nondestructive testing equipment is held by a tester to scan back and forth along the surface of a sleeve for testing, so that the operation is troublesome and the labor cost is high; and the manual operation error is larger, and the pressure of the phased array probe to the sleeve pipe surface is not constant, so that the echo difference is large, and the detection structure precision is poor.
Disclosure of Invention
The utility model aims to provide a PE pipe electric fusion joint detection device, which solves the problems that in the prior art, a detector holds phased array nondestructive testing equipment to scan back and forth along the surface of a sleeve pipe for detection, the operation is troublesome, and the labor cost is high; and the manual operation error is larger, the pressure of the phased array probe to the surface of the sleeve is not constant, so that the technical problems of large echo difference and poor detection structure precision are caused.
In order to solve the problem, the utility model discloses a following technical scheme realizes:
the PE pipe electric melting joint detection device comprises a guide rail assembly and a detection assembly which are detachably sleeved on two sections of PE pipes;
the guide rail assembly comprises two semicircular first supports, one ends of the two first supports are hinged, and the other ends of the two first supports are provided with connecting assemblies; the two first brackets are coated on the PE pipe and then fixed into an integral structure through the connecting component, and the integral structure is of a circular ring structure and is fixedly connected with the PE pipe; the first support comprises an arc-shaped bottom plate and vertical plates arranged on two sides of the bottom plate, and chains are fixedly laid on the bottom plate along the length direction of the bottom plate; the inner side of the vertical plate is inwards sunken to form an annular limiting groove, and the annular limiting groove and the PE pipe are coaxially arranged;
the detection assembly comprises a first motor, a lead screw, a sliding block, a phased array detection probe and two second supports, one end of each second support is fixedly provided with a limiting block and a second motor, two ends of each limiting block are movably clamped in corresponding limiting grooves, an output shaft of each second motor is fixedly connected with a chain wheel, and the chain wheel is meshed with a corresponding chain;
two ends of the screw rod are rotatably connected with the other ends of the corresponding second supports, the first motor is fixedly arranged on one of the second supports, and the second motor drives the screw rod to rotate; the axis parallel arrangement of lead screw and PE pipe, the fixed guide bar that is provided with between the second support, guide bar and lead screw parallel arrangement, set up threaded hole and unthreaded hole on the slider, the slider overlaps respectively through threaded hole and unthreaded hole and establishes on corresponding lead screw and guide bar, is provided with the connecting rod on the slider, and phased array test probe sets up on the connecting rod.
Utilize the device to detect the butt fusion welding seam and make, block respectively earlier two guide rail set spare and establish on the PE pipe at adapter sleeve both ends, the sprocket meshes with the chain that corresponds, and the movable card of stopper is established in the spacing groove that corresponds, and rethread coupling assembling is with first support and PE pipe fixed connection. Then, a first motor is started to drive the screw rod to rotate, the sliding block, the connecting rod and the adjusting rod move along the guide rod, the phased array detection probe is driven to move from one end of the connecting sleeve to the other end, and nondestructive detection is completed on a part of the welding seam. Then two second motors are started simultaneously, the corresponding chain wheels are driven to rotate, the detection assembly is driven to rotate through a certain angle around the PE pipe, the first motor is started again, the first motor rotates in the reverse direction, the lead screw is driven to rotate, the phased array detection probe is driven to move to one end from the other end of the connecting sleeve, and nondestructive detection is completed on a part of welding seams again. And repeating the steps until the detection assembly rotates for a circle around the PE pipe, and completing the detection of the whole fusion welding seam at the joint.
The utility model discloses a design this detection device and replace manual operation, convenient operation uses manpower sparingly the cost of labor, and detection efficiency improves greatly, and phased array probe and adapter sleeve surface contact all the time, and pressure is invariable, then detects the poor detection precision height of structure precision.
Further optimize, the both ends of stopper are rotated and are provided with the gyro wheel, and the movable card of gyro wheel is established in the spacing groove that corresponds. Through seting up the spacing groove, establish the gyro wheel card again in the spacing groove, improve structural stability, prevent that detection subassembly from falling with the guide rail subassembly when changeing to PE pipe below. Through setting up the gyro wheel, reduce friction, improve mechanical flexibility.
Further optimize, coupling assembling is including the fixed lug that sets up on first support, set up threaded hole on the lug, and when the guide rail assembly cladding was managed on the PE, the lug of two semi-circular first supports contacted, and the screw hole on two lugs is coaxial, through making guide rail assembly and PE manage fixed connection in inserting the screw hole with the bolt, the dismouting of being convenient for.
Further optimizing, and further comprising an adjusting rod; the connecting rod is a hollow pipe fitting, an external thread is arranged at one end, close to the phased array detection probe, of the connecting rod, the diameter of the section, close to the sliding block, of the connecting rod provided with the external thread is small, the diameter of the section, close to the phased array detection probe, of the connecting rod is large, the outer contour of the section is in a horn shape, and the section provided with the external thread is divided into two halves along the radial direction; a fastening sleeve is sleeved on the connecting rod, is opened and closed with internal threads and is in threaded connection with the external thread section of the connecting rod; one end of the adjusting rod is inserted into the cavity of the connecting rod, and the other end of the adjusting rod is fixedly connected with the phased array detection probe.
According to the diameter of the PE pipe, the fastening sleeve is loosened, the adjusting rod is moved upwards or downwards to enable the phased array detection probe to be in contact with the surface of the connecting sleeve, and then the fastening sleeve is rotated to lock the adjusting rod and the connecting rod. PE pipes with different diameters can be used, and the applicability is strong.
Further preferably, the first motor and the second motor are both servo motors.
The detection method based on the PE pipe electric fusion joint detection device comprises the following steps:
step one, respectively clamping two guide rail assemblies on PE pipes at two ends of a connecting sleeve, then meshing a chain wheel with a corresponding chain, clamping a roller in a corresponding limiting groove, and fixedly connecting a first support with the PE pipes through a connecting assembly;
loosening the fastening sleeve, moving the adjusting rod upwards or downwards to enable the phased array detection probe to be in contact with the surface of the connecting sleeve, and then rotating the fastening sleeve to lock the adjusting rod and the connecting rod;
step three, starting a first motor, driving a screw rod to rotate, moving a sliding block, a connecting rod and an adjusting rod along a guide rod, driving a phased array detection probe to move from the end A of a connecting sleeve to the end B, and then stopping the first motor; the method comprises the following steps of completing nondestructive detection on a part of fusion welding seams in the moving process, wherein the area S of the detection is the width H of a phased array detection probe and the length L of a connecting sleeve;
step four, simultaneously starting the two second motors to drive the corresponding chain wheels to rotate, driving the detection assembly to rotate for N degrees around the PE pipe due to the fact that the chain wheels are meshed with the chains and the chains are fixed, then simultaneously stopping the two second motors,
r is the outer circle radius of the connecting sleeve;
step five, starting a first motor, driving a lead screw to rotate by the first motor in a reverse direction, driving a phased array detection probe to move from the end B of the connecting sleeve to the end A, and then stopping the first motor; the method comprises the following steps of completing nondestructive detection on a part of fusion welding seams in the moving process, wherein the area S of the detection is the width H of a phased array detection probe and the length L of a connecting sleeve;
and step six, repeating the step three-five M times until the detection assembly rotates around the PE pipe for a circle, and completing the detection of the whole fusion welding seam at the joint, wherein M is a positive integer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a design this detection device and replace manual operation, convenient operation uses manpower sparingly the cost of labor, and detection efficiency improves greatly, and phased array probe and adapter sleeve surface contact all the time, and pressure is invariable, then detects the poor detection precision height of structure precision.
2. Through seting up the spacing groove, establish the gyro wheel card again in the spacing groove, improve structural stability, prevent that detection subassembly from falling with the guide rail subassembly when changeing to PE pipe below. Through setting up the gyro wheel, reduce friction, improve mechanical flexibility.
3. Through setting up adjusting part, according to PE pipe diameter, loosen the fastening sleeve, upwards or move down the regulation pole, make phased array test probe and adapter sleeve's surface contact, then rotate the fastening sleeve, will adjust pole and connecting rod locking. PE pipes with different diameters can be used, and the applicability is strong.
Drawings
Fig. 1 is a schematic structural view of the PE pipe electric fusion joint detection apparatus of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of part B of FIG. 1;
FIG. 4 is a flow chart of a detection method using the PE pipe electric fusion joint detection device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the PE tube electric fusion joint detection apparatus includes a guide rail assembly and a detection assembly detachably sleeved on two sections of PE tubes;
the guide rail assembly comprises two semicircular first supports, one ends of the two first supports are hinged, and the other ends of the two first supports are provided with connecting assemblies; the two first brackets are coated on the PE pipe and then fixed into an integral structure through the connecting component, the integral structure is a circular ring structure and is fixedly connected with the PE pipe 1; the first support comprises an arc-shaped bottom plate 11 and vertical plates 12 arranged on two sides of the bottom plate, and chains 13 are fixedly laid on the bottom plate along the length direction of the bottom plate; the inner side of the vertical plate is inwards sunken to form an annular limiting groove 14, and the annular limiting groove 14 and the PE pipe 1 are coaxially arranged.
The detection assembly comprises a first motor 5, a lead screw 4, a sliding block 6, a phased array detection probe 8 and two second supports 3, one end of each second support 3 is fixedly provided with a limiting block 31 and a second motor 34, the two ends of each limiting block 31 are movably clamped in corresponding limiting grooves 14, a chain wheel 35 is fixedly connected to an output shaft of each second motor 34, and the chain wheel 35 is meshed with a corresponding chain 13 as shown in figure 2.
Two ends of the screw rod 4 are rotatably connected with the other ends of the corresponding second supports 3, the first motor 5 is fixedly arranged on one of the second supports 3, and the second motor 5 drives the screw rod 4 to rotate; lead screw 4 and PE pipe 1's axis parallel arrangement, the fixed guide bar that is provided with between second support 3, guide bar and lead screw parallel arrangement, set up threaded hole and unthreaded hole on the slider, the slider overlaps respectively through threaded hole and unthreaded hole and establishes on corresponding lead screw and guide bar, is provided with the connecting rod on the slider, and phased array test probe sets up on the connecting rod.
In the present embodiment, the first motor 5 and the second motor 34 are both servo motors.
Utilize the device to detect the butt fusion welding seam and make, block respectively earlier two guide rail set spare and establish on the PE pipe at adapter sleeve both ends, the sprocket meshes with the chain that corresponds, and the movable card of stopper is established in the spacing groove that corresponds, and rethread coupling assembling is with first support and PE pipe fixed connection. Then, a first motor is started to drive the screw rod to rotate, the sliding block, the connecting rod and the adjusting rod move along the guide rod, the phased array detection probe is driven to move from one end of the connecting sleeve to the other end, and nondestructive detection is completed on a part of the welding seam. Then two second motors are started simultaneously, the corresponding chain wheels are driven to rotate, the detection assembly is driven to rotate through a certain angle around the PE pipe, the first motor is started again, the first motor rotates in the reverse direction, the lead screw is driven to rotate, the phased array detection probe is driven to move to one end from the other end of the connecting sleeve, and nondestructive detection is completed on a part of welding seams again. And repeating the steps until the detection assembly rotates for a circle around the PE pipe, and completing the detection of the whole fusion welding seam at the joint.
The utility model discloses a design this detection device and replace manual operation, convenient operation uses manpower sparingly the cost of labor, and detection efficiency is greatly high, and phased array probe and adapter sleeve surface contact all the time, and pressure is invariable, then detects the poor high detection precision height of structure precision
In this embodiment, the two ends of the stopper 31 are rotatably provided with rollers 32, and the rollers are movably clamped in the corresponding stopper grooves 14. Through seting up the spacing groove, establish the gyro wheel card again in the spacing groove, improve structural stability, prevent that detection subassembly from falling with the guide rail subassembly when changeing to PE pipe below. Through setting up the gyro wheel, reduce friction, improve mechanical flexibility.
In this embodiment, coupling assembling is including the fixed lug that sets up on first support, and threaded hole has been seted up on the lug, and when the guide rail assembly cladding was managed on the PE, the lug of two semi-circular first supports contacted, and the threaded hole on two lugs is coaxial, through making guide rail assembly and PE manage fixed connection in inserting the threaded hole with the bolt, the dismouting of being convenient for.
In the embodiment, the device further comprises an adjusting rod 9; the connecting rod 7 is a hollow pipe fitting, an external thread is arranged at one end, close to the phased array detection probe 8, of the connecting rod 7, the diameter of the end, close to the sliding block, of the section provided with the external thread is small, the diameter of the end, close to the phased array detection probe, of the section provided with the external thread is large, the outer contour of the section is in a horn shape, and the section provided with the external thread is divided into two halves along the radial direction; a fastening sleeve 10 is sleeved on the connecting rod 7, is opened and closed with internal threads and is in threaded connection with the external thread section of the connecting rod; one end of the adjusting rod 9 is inserted into the cavity of the connecting rod, and the other end of the adjusting rod is fixedly connected with the phased array detection probe, as shown in fig. 3.
According to the diameter of the PE pipe, the fastening sleeve is loosened, the adjusting rod is moved upwards or downwards to enable the phased array detection probe to be in contact with the surface of the connecting sleeve, and then the fastening sleeve is rotated to lock the adjusting rod and the connecting rod. PE pipes with different diameters can be used, and the applicability is strong.
Example two:
as shown in fig. 4, the detection method based on the PE pipe electric fusion joint detection apparatus includes the following steps:
step one, respectively clamping two guide rail assemblies on PE pipes at two ends of a connecting sleeve, then meshing a chain wheel with a corresponding chain, clamping a roller in a corresponding limiting groove, and fixedly connecting a first support with the PE pipes through a connecting assembly;
loosening the fastening sleeve, moving the adjusting rod upwards or downwards to enable the phased array detection probe to be in contact with the surface of the connecting sleeve, and then rotating the fastening sleeve to lock the adjusting rod and the connecting rod;
step three, starting a first motor, driving a screw rod to rotate, moving a sliding block, a connecting rod and an adjusting rod along a guide rod, driving a phased array detection probe to move from the end A of a connecting sleeve to the end B, and then stopping the first motor; the method comprises the following steps of completing nondestructive detection on a part of fusion welding seams in the moving process, wherein the area S of the detection is the width H of a phased array detection probe and the length L of a connecting sleeve;
step four, simultaneously starting the two second motors to drive the corresponding chain wheels to rotate, driving the detection assembly to rotate for N degrees around the PE pipe due to the meshing of the chain wheels and the fixed chains, and then simultaneously stopping the two second motors,
r is the outer circle radius of the connecting sleeve;
step five, starting the first motor, enabling the first motor to rotate in the reverse direction, driving the lead screw to rotate, driving the phased array detection probe to move from the end B of the connecting sleeve to the end A, and then stopping the first motor; the method comprises the following steps of completing nondestructive detection on a part of fusion welding seams in the moving process, wherein the area S of the detection is the width H of a phased array detection probe and the length L of a connecting sleeve;
and step six, repeating the step three-five M times until the detection assembly rotates around the PE pipe for a circle, and completing the detection of the whole fusion welding seam at the joint, wherein M is a positive integer.
It should be understood that the specific embodiments described herein are for the purpose of illustration only and are not intended to limit the invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
- The detection device for the PE pipe electric melting joint is characterized by comprising a guide rail assembly and a detection assembly which are detachably sleeved on two sections of PE pipes;the guide rail assembly comprises two semicircular first supports, one ends of the two first supports are hinged, and the other ends of the two first supports are provided with connecting assemblies; the two first brackets are coated on the PE pipe and then fixed into an integral structure through the connecting component, and the integral structure is of a circular ring structure and is fixedly connected with the PE pipe; the first support comprises an arc-shaped bottom plate and vertical plates arranged on two sides of the bottom plate, and chains are fixedly laid on the bottom plate along the length direction of the bottom plate; the inner side of the vertical plate is inwards sunken to form an annular limiting groove, and the annular limiting groove and the PE pipe are coaxially arranged;the detection assembly comprises a first motor, a lead screw, a sliding block, a phased array detection probe and two second supports, one end of each second support is fixedly provided with a limiting block and a second motor, two ends of each limiting block are movably clamped in corresponding limiting grooves, an output shaft of each second motor is fixedly connected with a chain wheel, and the chain wheel is meshed with a corresponding chain;two ends of the screw rod are rotatably connected with the other ends of the corresponding second supports, the first motor is fixedly arranged on one of the second supports, and the second motor drives the screw rod to rotate; the axis parallel arrangement of lead screw and PE pipe, the fixed guide bar that is provided with between the second support, guide bar and lead screw parallel arrangement, set up threaded hole and unthreaded hole on the slider, the slider overlaps respectively through threaded hole and unthreaded hole and establishes on corresponding lead screw and guide bar, is provided with the connecting rod on the slider, and phased array test probe sets up on the connecting rod.
- 2. The device for detecting the electric melting joint of the PE pipe according to claim 1, wherein rollers are rotatably disposed at two ends of the limiting block, and the rollers are movably engaged with the corresponding limiting grooves.
- 3. The PE pipe electric fusion joint detection device as claimed in claim 1, wherein the connection assembly comprises a lug fixedly arranged on the first bracket, a threaded hole is formed in the lug, when the rail assembly is coated on the PE pipe, the lugs of the two semicircular first brackets are in contact, the threaded holes in the two lugs are coaxial, and the rail assembly is fixedly connected with the PE pipe by inserting a bolt into the threaded holes.
- 4. The PE pipe electric fusion joint detection device as claimed in claim 1, further comprising an adjusting rod; the connecting rod is a hollow pipe fitting, an external thread is arranged at one end, close to the phased array detection probe, of the connecting rod, the diameter of the section, close to the sliding block, of the connecting rod provided with the external thread is small, the diameter of the section, close to the phased array detection probe, of the connecting rod is large, the outer contour of the section is in a horn shape, and the section provided with the external thread is divided into two halves along the radial direction; a fastening sleeve is sleeved on the connecting rod, is opened and closed with internal threads and is in threaded connection with the external thread section of the connecting rod;one end of the adjusting rod is inserted into the cavity of the connecting rod, and the other end of the adjusting rod is fixedly connected with the phased array detection probe.
- 5. The device for detecting the electric fusion joint of the PE pipe as claimed in claim 1, wherein the first motor and the second motor are both servo motors.
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| CN202123031384.8U CN216484698U (en) | 2021-12-04 | 2021-12-04 | PE pipe electric fusion connects detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123031384.8U CN216484698U (en) | 2021-12-04 | 2021-12-04 | PE pipe electric fusion connects detection device |
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| CN216484698U true CN216484698U (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034716A (en) * | 2021-12-04 | 2022-02-11 | 江苏省特种设备安全监督检验研究院 | PE pipe electric fusion joint detection device and detection method |
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2021
- 2021-12-04 CN CN202123031384.8U patent/CN216484698U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034716A (en) * | 2021-12-04 | 2022-02-11 | 江苏省特种设备安全监督检验研究院 | PE pipe electric fusion joint detection device and detection method |
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