CN215488307U - Corrugated pipe compensator for online monitoring displacement - Google Patents
Corrugated pipe compensator for online monitoring displacement Download PDFInfo
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- CN215488307U CN215488307U CN202120762982.3U CN202120762982U CN215488307U CN 215488307 U CN215488307 U CN 215488307U CN 202120762982 U CN202120762982 U CN 202120762982U CN 215488307 U CN215488307 U CN 215488307U
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Abstract
The utility model relates to the technical field of combination of a corrugated pipe compensator and intelligent monitoring, in particular to a corrugated pipe compensator for online displacement monitoring. The utility model can monitor the displacement change of the corrugated pipe compensator in real time from the pressure test of the system after the installation of the pipe network to the long-term working state.
Description
Technical Field
The utility model relates to the technical field of combination of a corrugated pipe compensator and intelligent monitoring, in particular to a corrugated pipe compensator for online monitoring of displacement.
Background
The displacement is an important characteristic parameter of the bellows compensator, and the necessity of information extraction is provided. The stability of the corrugated pipe compensator can be judged by monitoring the displacement parameters, and the running state of the compensator can be monitored. In addition, big data analysis and mathematical modeling relation between displacement data and compensator fatigue have important significance on prediction and risk assessment of the residual fatigue life of the corrugated pipe compensator. The compound corrugated pipe compensator comprises axial displacement and transverse displacement in use of the compensator, and an online displacement monitoring method is provided for acquiring data of the two displacements. At present, the displacement sensing technology of the ripple compensator is mostly based on indirect measurement data, and displacement values are obtained through complex operation. Since the calculation process has more variable parameters, and the uncertainty of the variable parameters leads to the increase of errors, a simpler method for directly obtaining the displacement value of the corrugated pipe compensator needs to be sought.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a corrugated pipe compensator for monitoring displacement on line, which monitors the displacement change of the corrugated pipe compensator in real time from the pressure test of a system after the installation of a pipe network to the long-term working state.
The utility model is realized in such a way, and provides a corrugated pipe compensator for online displacement monitoring, which comprises a right end connecting pipe, a corrugated pipe, a left end connecting pipe, laser displacement sensors, a sensor position adjusting support and a positioning plate, wherein the right end connecting pipe and the left end connecting pipe are respectively connected with two sides of the corrugated pipe, the outer wall of the left end connecting pipe is circumferentially fixed with at least two sensor position adjusting supports, the outer wall of the right end connecting pipe is circumferentially fixed with at least one sensor position adjusting support, the left end connecting pipe and the right end connecting pipe are respectively provided with one sensor position adjusting support which is arranged in alignment with the sensor position adjusting support arranged in the same side, the sensor position adjusting support is circumferentially staggered by a certain angle, each sensor position adjusting support is respectively provided with one laser displacement sensor corresponding to the laser emission direction of each laser displacement sensor, and respectively configuring and installing positioning plates.
Preferably, the corrugated pipe compensator is a multiple corrugated pipe compensator, and further comprises at least 2 middle connection pipes, adjacent corrugated pipes are connected through the middle connection pipes, the right end connection pipe is connected to the right side of the rightmost corrugated pipe, and the left end connection pipe is connected to the left side of the leftmost corrugated pipe.
Further preferably, the sensor position adjusting support comprises a stud, a rotary table, a height adjusting stud and a height adjusting swivel nut, the height adjusting swivel nut is fixed to the right end of the pipe or the left end of the pipe, the height adjusting stud is installed in the height adjusting swivel nut in a threaded mode, the rotary table is fixedly connected to the upper end of the height adjusting stud, two ends of the stud are connected with two sides of the rotary table in a threaded mode respectively, and the laser displacement sensor is fixed to the middle of the stud.
Further preferably, threaded connection has high stop nut on the height adjustment double-screw bolt to at the upper segment of height adjustment double-screw bolt, the vertical fixation handle the middle part of double-screw bolt is fixed and is set up the sensor fixed plate, laser displacement sensor passes through the buckle to be fixed on the sensor fixed plate, and double-screw bolt is located threaded connection horizontal stop nut on the part in the revolving stage outside.
It is further preferred, sensor position control support is equipped with 3, sets up one respectively on 3 sensor position control supports laser displacement sensor, the locating plate includes locating plate I, locating plate II and locating plate III, and the position setting of locating plate I is in on the laser displacement sensor laser emission direction on the right-hand member takeover, locating plate II sets up on the left end connects on the pipe, with the laser emission direction of the laser displacement sensor that the laser displacement sensor on the right-hand member takeover aligns, locating plate III sets up on the laser emission direction of the laser displacement sensor who staggers certain angle along circumference with the laser displacement sensor that the homonymy aligns the setting.
Further preferably, the two laser displacement sensors on the left end joint pipe are staggered by 90 degrees in the circumferential direction.
Further preferably, the laser displacement sensor is a wireless laser displacement sensor.
The method for monitoring the displacement by using the corrugated pipe compensator for monitoring the displacement on line comprises the following steps:
1) determining the installation positions of the sensor position adjusting support and the laser displacement sensor according to the compensation axial and transverse displacement directions of the on-site corrugated pipe compensator, and adjusting the sensor position adjusting support to prevent laser rays of the laser sensor from interfering with the corrugated pipe, so that the ray directions of two laser displacement sensors for measuring transverse displacement on the corrugated pipe compensator are the same as the transverse displacement direction of a corrugated pipe compensator compensation pipeline, and the ray direction of one laser displacement sensor for measuring axial displacement on the corrugated pipe compensator is the same as the axial displacement direction of the corrugated pipe compensator compensation pipeline;
2) debugging, zero calibration respectively every laser displacement sensor, the debugging is accomplished the back and is installed the locating plate: the positioning plate III for measuring axial displacement is fixedly connected with the outer wall of the right-end connecting pipe or is installed on nearby fixing equipment or reliable fixing building facilities, the position is within two meters of the corrugated pipe, the surface of the positioning plate III is perpendicular to the ray direction of the laser displacement sensor, and the initial displacement reading X3 is read;
3) the positioning plate I and the positioning plate II are kept horizontal and positioned within two meters of the corrugated pipe, the positioning plate I and the positioning plate II are arranged on a fixing device or a reliable fixed building facility nearby, the plate surface of the positioning plate is vertical to the ray direction of a corresponding laser displacement sensor, and initial displacement readings X1 and X2 are respectively read;
4) during operating condition, bellows compensator begins compensation displacement, contains axial displacement and lateral displacement, and the laser displacement sensor registration changes, reads the registration respectively: x1 ', X2 ', X3 ';
wherein: the compensator axial displacement Δ X3 ═ X3-X3', negative sign indicates bellows tension and positive sign indicates compression;
the transverse displacement delta X1 of the right end face of the compensator is X1-X1';
the lateral displacement delta X2 of the left end face of the compensator is X2-X2';
the compensator transverse displacement delta X4 is X1-X1 '+ X2-X2', the negative sign indicates that the transverse displacement direction is opposite to the ray direction of the laser displacement sensor at the position, and the positive sign indicates that the transverse displacement direction is the same as the ray direction of the laser displacement sensor at the position;
5) because the bellows of bellows compensator is similar to the spring, has crooked attribute, probably appears local angular displacement phenomenon under special operating mode, consequently in case the laser displacement sensor displacement reading is greater than design displacement or sudden change, promptly:
{ Δ X | Δ X1, Δ X2, Δ X3} > design Displacement
At this time, it is stated that the laser displacement sensor ray and the positioning plate may be inclined or the ray deviates from the positioning plate, and the corresponding sensor position adjusting support needs to be adjusted on site to keep the ray vertical to the positioning plate.
Compared with the prior art, the utility model has the advantages that:
the laser sensor is adopted to measure the displacement of the corrugated pipe compensator, so that non-contact remote measurement is realized, and the device is high in speed, high in precision, large in measuring range and strong in anti-interference capability. The displacement measurement method is simple, complex operation is avoided, and axial displacement values and transverse displacement values of the compensator can be obtained quickly. The design of the sensor position adjusting support is convenient for dynamic adjustment of the laser ray direction so as to adapt to the displacement working condition of the on-site corrugated pipe compensator and obtain a relatively accurate displacement value.
Drawings
The utility model is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic diagram of the on-line measurement of the displacement of the dual bellows compensator in example 1;
FIG. 2 is a side view structural view of the multiple bellows compensator according to embodiment 1;
FIG. 3 is a cross-sectional structural view of a sensor position adjustment mount;
FIG. 4 is a side view structural view of a sensor position adjustment mount;
fig. 5 is a schematic diagram of the online measurement of the displacement of the dual bellows compensator in example 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Examples 1,
Referring to fig. 1 and 2, the present embodiment provides a compound corrugated pipe compensator for online displacement monitoring, which includes a right end connection pipe 1, 2 corrugated pipes 2, a middle connection pipe 3, a left end connection pipe 4, 3 laser displacement sensors 5, 3 sensor position adjusting supports 7 and 3 positioning plates, wherein the two corrugated pipes 2 are connected through the middle connection pipe 3, the right end connection pipe 1 is connected to the right side of the right corrugated pipe 2, the left end connection pipe 4 is connected to the left side of the left end corrugated pipe 2, at least two sensor position adjusting supports 7 are circumferentially fixed on the outer wall of the left end connection pipe 4, at least one sensor position adjusting support 7 is circumferentially fixed on the outer wall of the right end connection pipe 1, one sensor position adjusting support 7 is respectively arranged on the left end connection pipe 4 and the right end connection pipe 1 in alignment, one sensor position adjusting support 7 arranged on the left end connection pipe 4 and the sensor position adjusting support 7 aligned on the same side are circumferentially staggered by 90 degrees, each sensor position adjusting support 7 is provided with a laser displacement sensor 5, and a positioning plate is configured and installed corresponding to the laser emission direction of each laser displacement sensor 5. The locating plate includes locating plate I6, locating plate II 8 and locating plate III 9, and the position setting of locating plate I6 is in on the 5 laser emission directions of laser displacement sensor on the right-hand member takeover 1, locating plate II 8 sets up on the left end pipe 4, with the laser emission directions of the laser displacement sensor 5 that the laser displacement sensor 5 on the right-hand member takeover 1 aligns, locating plate III 9 sets up on the laser emission directions of the laser displacement sensor 5 that staggers 90 along circumference with the laser displacement sensor 5 that the homonymy aligns the setting, in this embodiment, locating plate III 9 sets up on the 1 outer wall of right end pipe.
Referring to fig. 3 and 4, in order to adjust the laser emission direction of the laser displacement sensor 5 conveniently, as an improvement of the technical solution, the sensor position adjusting support 7 includes a stud 701, a rotating table 702, a height adjusting stud 704 and a height adjusting screw 705, the height adjusting screw 705 is fixed on the right end connection pipe 1 or the left end connection pipe 4, the height adjusting stud 704 is installed in the height adjusting screw 705 in a threaded manner, the rotating table 702 is fixedly connected to the upper end of the height adjusting stud 704, two ends of the stud 701 are respectively connected with two sides of the rotating table 702 in a threaded manner, and the laser displacement sensor 5 is fixed in the middle of the stud 701.
When the height is adjusted, the height adjusting stud 704 is rotated, the height adjusting stud 704 rotates and moves up and down in the height adjusting screw sleeve 705, so that the vertical movement and the rotation of the laser displacement sensor 5 in the X direction are achieved, and when the horizontal direction is adjusted, the rotation and the translation of the laser displacement sensor 5 in the Y direction are achieved by rotating the stud 701.
Specifically, in order to limit the height, a height limiting nut 706 is screwed on the height adjusting stud 704, in order to facilitate rotation of the height adjusting stud 704, a vertical fixing handle 707 is arranged at the upper section of the height adjusting stud 704, in order to facilitate installation of the sensor fixing plate 703, the sensor fixing plate 703 is fixedly arranged at the middle part of the stud 701, the laser displacement sensor 5 is fixed on the sensor fixing plate 703 through a buckle, and in order to limit the horizontal position, a horizontal limiting nut 708 is screwed on the part of the stud 701, which is located outside the rotating table 702.
The laser displacement sensor 5 is a wireless laser displacement sensor, preferably a ShinePoin wireless laser ranging sensor (model: SW-430M-232), reduces field wiring, is simple and convenient to operate, transmits displacement data to a display terminal in real time, monitors axial displacement and transverse displacement change of the compound corrugated pipe compensator in real time by collecting displacement difference data, and reflects the displacement direction according to the sign.
The method for monitoring the displacement by using the corrugated pipe compensator for monitoring the displacement on line provided by the embodiment comprises the following steps of:
1) determining the installation positions of the sensor position adjusting support 7 and the laser displacement sensor 5 according to the compensation axial and transverse displacement directions of the on-site corrugated pipe compensator, and adjusting the sensor position adjusting support 7 to prevent laser rays of the laser sensor 5 from interfering with the corrugated pipe 2, so that the ray directions of two laser displacement sensors 5 for measuring transverse displacement on the corrugated pipe compensator are the same as the transverse displacement direction of a corrugated pipe compensator compensation pipeline, and the ray direction of one laser displacement sensor 5 for measuring axial displacement on the corrugated pipe compensator is the same as the axial displacement direction of the corrugated pipe compensator compensation pipeline;
2) debugging, zero calibration are respectively carried out on each laser displacement sensor 5, and a positioning plate is installed after the debugging is finished: the positioning plate III 9 for measuring axial displacement is fixedly connected with the outer wall of the right connecting pipe 1 or is arranged on nearby fixed equipment or reliable fixed building facilities, the position is within two meters of the corrugated pipe 2, the surface of the positioning plate III 9 is perpendicular to the ray direction of the laser displacement sensor 5, and the initial displacement reading X3 is read;
3) the positioning plate I6 and the positioning plate II 8 are kept horizontal, are positioned within two meters of the corrugated pipe 2, are arranged on a fixing device or a reliably fixed building facility nearby, are vertical to the ray direction of the corresponding laser displacement sensor 5, and respectively read initial displacement readings X1 and X2;
4) during operating condition, bellows compensator begins compensation displacement, contains axial displacement and lateral displacement, and 5 readings of laser displacement sensor appear changing, read the reading respectively: x1 ', X2 ', X3 ';
wherein: the compensator axial displacement Δ X3 ═ X3-X3', negative sign indicates bellows tension and positive sign indicates compression;
the transverse displacement delta X1 of the right end face of the compensator is X1-X1';
the lateral displacement delta X2 of the left end face of the compensator is X2-X2';
the compensator transverse displacement delta X4 is X1-X1 '+ X2-X2', the negative sign indicates that the transverse displacement direction is opposite to the ray direction of the laser displacement sensor 5 at the position, and the positive sign indicates that the transverse displacement direction is the same as the ray direction of the laser displacement sensor 5 at the position;
5) because the bellows of bellows compensator is similar to the spring, has crooked attribute, can appear local angular displacement phenomenon under special operating mode, consequently in case the displacement reading of appearance laser displacement sensor 5 is greater than design displacement or sudden change, promptly:
{ Δ X | Δ X1, Δ X2, Δ X3} > design Displacement
At this time, it is stated that the ray of the laser displacement sensor 5 may be inclined from the positioning plate or the ray deviates from the positioning plate, and the corresponding sensor position adjusting support 7 needs to be adjusted on site to keep the ray vertical to the positioning plate.
Examples 2,
Referring to fig. 5, the present embodiment provides a compound corrugated pipe compensator for monitoring displacement on line, which is different from embodiment 1 in that the compound corrugated pipe compensator includes 4 laser displacement sensors 5, 4 sensor position adjusting supports 7, and a positioning plate iv 10, so that the positioning plate iv 10 is inconvenient to mount on the outer wall of the right connecting pipe 1, and the displacement monitoring method is performed while keeping a distance from the corrugated pipe not greater than 2 meters. Specifically, the method for monitoring the displacement by using the online displacement monitoring compound corrugated pipe compensator comprises the following steps:
1) firstly, adjusting the installation position of the compound corrugated pipe compensator through a sensor position adjusting support 7 according to the compensation axial and transverse displacement directions of the on-site compensator, wherein laser rays do not interfere with the corrugated pipe 2, the ray directions of two laser displacement sensors 5 for measuring transverse displacement on the compensator are ensured to be the same as the transverse displacement direction of a compensation pipeline of the compensator, and the ray directions of the two laser displacement sensors 5 for measuring axial displacement on the compensator are the same as the axial displacement direction of the compensation pipeline of the compensator;
2) and respectively debugging and zeroing each laser displacement sensor 5, installing a positioning plate after debugging is finished, and installing a positioning plate III 9 and a positioning plate IV 10 on nearby fixed equipment or reliably fixed building facilities, wherein the positions of the positioning plates are within a range of two meters of the corrugated pipe 2. The surface of the positioning plate is vertical to the ray direction of the sensor. Initial displacement indices X3, X5 were read, respectively.
3) The positioning plate I6 and the positioning plate II 8 are kept horizontal as much as possible, the positions of the positioning plates are within two meters of the corrugated pipe 2, if the positioning plates are inconvenient to arrange within the range, an auxiliary supporting structure is required to be arranged nearby fixed equipment or reliable fixed building facilities to fix the positioning plates, the plate surfaces of the positioning plates are vertical to the ray direction of the sensor, and initial displacement readings X1 and X2 are respectively read;
4) when the pipeline running state, compound bellows compensator begins compensation displacement, contains axial displacement and lateral displacement, and the laser sensor registration changes respectively, reads the registration respectively: x1 ', X2', X3 'and X5'.
Wherein: the axial displacement delta X3 of the left end face of the compensator is X3-X3';
the axial displacement delta X5 of the right end face of the compensator is X5-X5';
the compensator axial displacement Δ X6 ═ X3-X3 '+ X5-X5' negative sign indicates bellows extension and positive sign indicates compression.
The lateral displacement delta X1 of the left end face of the compensator is X1-X1';
the transverse displacement delta X2 of the right end face of the compensator is X2-X2';
the negative sign of the compensator transverse displacement deltax 4 ═ X1-X1 '+ X2-X2' indicates that the transverse displacement direction is opposite to the laser sensor ray direction there, and the positive sign indicates that the transverse displacement direction is the same as the laser sensor ray direction there.
5) And monitoring the reading of each laser sensor in real time. Therefore, once the displacement indication of the sensor is larger than the design displacement or the sudden change starts to alarm, the following steps are carried out:
{ Δ X | Δ X1, Δ X2, Δ X3, Δ X5} > design displacement
The ray of the sensor and the positioning plate are inclined and not kept vertical or the ray deviates from the positioning plate, and the corresponding sensor position adjusting support needs to be checked on site and adjusted to ensure that the ray and the positioning plate are kept vertical as much as possible.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A corrugated pipe compensator for on-line displacement monitoring is characterized by comprising a right end connecting pipe (1), a corrugated pipe (2), a left end connecting pipe (4), a laser displacement sensor (5), a sensor position adjusting support (7) and a positioning plate, wherein the right end connecting pipe (1) and the left end connecting pipe (4) are respectively connected with two sides of the corrugated pipe (2), at least two sensor position adjusting supports (7) are fixed on the outer wall of the left end connecting pipe (4) along the circumferential direction, at least one sensor position adjusting support (7) is fixed on the outer wall of the right end connecting pipe (1) along the circumferential direction, the left end connecting pipe (4) and the right end connecting pipe (1) are respectively provided with one sensor position adjusting support (7) which is arranged in alignment with the same side, and the sensor position adjusting supports (7) are arranged in a staggered mode by a certain angle along the circumferential direction, and each sensor position adjusting support (7) is respectively provided with a laser displacement sensor (5), and a positioning plate is respectively configured and installed corresponding to the laser emission direction of each laser displacement sensor (5).
2. The bellows compensator of online displacement monitoring according to claim 1, wherein the bellows compensator is a multiple bellows compensator, further comprising a middle connection pipe (3), at least 2 bellows (2) are provided, adjacent bellows (2) are connected through the middle connection pipe (3), the right end connection pipe (1) is connected to the right side of the rightmost bellows (2), and the left end connection pipe (4) is connected to the left side of the leftmost bellows (2).
3. The bellows compensator of online monitoring displacement according to claim 1, wherein the sensor position adjusting support (7) comprises a stud bolt (701), a rotary table (702), a height adjusting stud bolt (704) and a height adjusting swivel nut (705), the height adjusting swivel nut (705) is fixed on the right end connection pipe (1) or the left end connection pipe (4), the height adjusting stud bolt (704) is installed in the height adjusting swivel nut (705) in a threaded manner, the rotary table (702) is fixedly connected to the upper end of the height adjusting stud bolt (704), two ends of the stud bolt (701) are respectively connected with two sides of the rotary table (702) in a threaded manner, and the laser displacement sensor (5) is fixed in the middle of the stud bolt (701).
4. The on-line displacement monitoring bellow compensator according to claim 3, wherein a height limiting nut (706) is screwed on the height adjusting stud (704), and a vertical fixing handle (707) is fixed on the upper section of the height adjusting stud (704), a sensor fixing plate (703) is fixedly arranged in the middle of the stud (701), the laser displacement sensor (5) is fixed on the sensor fixing plate (703) through a snap fit (), and a horizontal limiting nut (708) is screwed on the part of the stud (701) located outside the rotating table (702).
5. Bellows compensator according to claim 1, wherein there are 3 sensor position adjustment abutments (7), the laser displacement sensors (5) are respectively arranged on the 3 sensor position adjusting supports (7), the locating plate includes locating plate I (6), locating plate II (8) and locating plate III (9), and the position setting of locating plate I (6) is in on the laser displacement sensor (5) laser emission direction on the right-hand member takeover (1), locating plate II (8) set up on left end joint pipe (4), with the laser displacement sensor (5) the laser emission direction of the laser displacement sensor (5) that the right-hand member takeover was gone up on (1), locating plate III (9) set up on the laser emission direction of the laser displacement sensor (5) of certain angle of staggering along circumference with laser displacement sensor (5) that the homonymy aligns the setting.
6. Bellows compensator according to claim 5, characterized by the fact that the two laser displacement sensors (5) on the left end pipe (4) are circumferentially staggered by 90 °.
7. Bellows compensator according to claim 1, wherein the laser displacement sensor (5) is a wireless laser displacement sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762982.3U CN215488307U (en) | 2021-04-13 | 2021-04-13 | Corrugated pipe compensator for online monitoring displacement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762982.3U CN215488307U (en) | 2021-04-13 | 2021-04-13 | Corrugated pipe compensator for online monitoring displacement |
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| CN215488307U true CN215488307U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120762982.3U Active CN215488307U (en) | 2021-04-13 | 2021-04-13 | Corrugated pipe compensator for online monitoring displacement |
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2021
- 2021-04-13 CN CN202120762982.3U patent/CN215488307U/en active Active
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