CN108413859B - Pipe inner diameter on-line monitoring system - Google Patents
Pipe inner diameter on-line monitoring system Download PDFInfo
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- CN108413859B CN108413859B CN201810201682.0A CN201810201682A CN108413859B CN 108413859 B CN108413859 B CN 108413859B CN 201810201682 A CN201810201682 A CN 201810201682A CN 108413859 B CN108413859 B CN 108413859B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
- G01B7/13—Internal diameters
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Abstract
The invention provides an online monitoring system for the inner diameter of a pipe, which comprises a pipe conveying device, a coil device, a pipe inner diameter detection device and an alarm device, wherein the pipe conveying device is connected with the coil device; pipe material conveyerThe pipe conveying device is arranged at the upstream of the coil pipe device and used for conveying the pipes to the coil pipe device, and a discharge port of the pipe conveying device and a feeding port of the coil pipe device are positioned on the same horizontal line; the pipe inner diameter detection device comprises a pipe, a magnetic bead and a magnetic sucker; the magnetic bead is arranged in the pipe, the magnetic attractor is arranged outside the pipe and right below the magnetic bead, and the magnetic bead and the magnetic attractor are mutually attracted; the qualified range value of the inner diameter of the pipe is D ≦ L ≦ D, and the diameter D of the magnetic bead1D; when the inner diameter of the pipe is in a qualified range, the magnetic beads are suspended in the pipe, and the magnetic attracting device is suspended outside the pipe. The invention is provided with the pipe inner diameter detection device and the alarm device, can realize the online monitoring of the pipe inner diameter and simultaneously realize the multi-stage alarm.
Description
Technical Field
The invention relates to the technical field of pipe processing, in particular to an online monitoring system for the inner diameter of a pipe.
Background
In the pipe machining process, the machined pipe is conveyed to the pipe coiling device through the pipe conveying device, and the pipe coiling device coils the machined pipe. Because the tubular product is not cut off at whole in-process, if the internal diameter of tubular product detects alone, coil dress again after detecting the completion, need waste a large amount of time.
Disclosure of Invention
In view of the above, the invention provides an online monitoring system for the inner diameter of a pipe, which can realize online detection of the inner diameter of the pipe, realize secondary alarm when the inner diameter of the pipe is abnormal, and avoid increase of waste materials caused by untimely discovery of an operator.
The invention provides an online monitoring system for the inner diameter of a pipe, which is characterized by comprising a pipe conveying device, a pipe coiling device, a pipe inner diameter detection device and an alarm device, wherein the pipe conveying device is arranged on the pipe coiling device; the pipe conveying device is arranged at the upstream of the coil pipe device and used for conveying the pipe to the coil pipe device, and a discharge port of the pipe conveying device and a feeding port of the coil pipe device are positioned on the same horizontal line;
the pipe inner diameter detection device comprises a pipe, a magnetic bead and a magnetic sucker;
the magnetic beads are arranged inside the tube, the magnetic attractor is arranged outside the tube and right below the magnetic beads, and the magnetic beads and the magnetic attractor are mutually attracted;
the qualified range value of the inner diameter of the pipe is D ≦ L ≦ D, and the diameter D of the magnetic bead1＝d；
When the inner diameter of the pipe is in a qualified range, the magnetic beads are suspended in the pipe, and the magnetic attractor is suspended outside the pipe.
Preferably, the alarm device comprises a primary alarm device, and the primary alarm device is arranged on the upstream of the pipe conveying device.
Preferably, the primary alarm device comprises a proximity switch and a first alarm lamp connected with the proximity switch;
the proximity switch is arranged under the magnetic attracting device, and when the magnetic attracting device approaches the proximity switch, the proximity switch is closed, and the first alarm lamp is turned on.
Preferably, the alarm device comprises a secondary alarm device, the secondary alarm device comprises a magnetic induction switch, a second alarm lamp connected in series with the magnetic induction switch, and a coil device starting relay connected in series with the magnetic induction switch, the second alarm lamp and the coil device starting relay are arranged in parallel, and the coil device starting relay is connected with the coil device and used for controlling the coil device to be turned on and off;
the magnetic induction switch set up in on the coil pipe device, when sensing the magnetic bead and being close to, the magnetic induction switch is automatic closed, with the second alarm lamp that the magnetic induction switch is established ties and is set up is bright, with the coil pipe device start-up relay disconnection that the magnetic induction switch is established ties and is set up, coil pipe device stop work.
Preferably, the magnetic induction switch controls the second alarm lamp and the turning-off device starting relay through an intermediate relay;
the main contact of the intermediate relay is connected with the magnetic induction switch, the magnetic induction switch is respectively connected with the second alarm lamp and the coil device starting relay in series through the first auxiliary contact of the intermediate relay, and the second alarm lamp and the coil device starting relay are connected in parallel;
the second auxiliary contact of the intermediate relay is connected with the second alarm lamp, the third auxiliary contact of the intermediate relay is connected with the coil device starting relay, the first auxiliary contact and the second auxiliary contact are in a normally open state, and the third auxiliary contact is in a normally closed state.
Preferably, the secondary alarm device further comprises a reset button, and the reset button is connected with the intermediate relay in series and used for resetting the intermediate relay.
The invention has the advantages and positive effects that: the invention is provided with a pipe inner diameter detection device and an alarm device, which can realize the online monitoring of the pipe inner diameter, and simultaneously, the alarm device comprises a first-stage alarm device and a second-stage alarm device, when the pipe inner diameter is abnormal, the second-stage alarm can be realized.
Drawings
FIG. 1 is a schematic structural view of a tubing transfer device and coil arrangement of the present invention;
FIG. 2 is a schematic structural diagram of the pipe inner diameter detection device and a primary alarm device of the invention;
fig. 3 is a schematic diagram of the circuit connection structure of the secondary alarm device of the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.
The invention provides an online monitoring system for the inner diameter of a pipe, which comprises a pipe conveying device 1, a pipe coiling device 2, a pipe inner diameter detection device and an alarm device.
The pipe conveying device 1 is arranged at the upstream of the coil pipe device 2 and used for conveying pipes to the coil pipe device 2 for coiling, and a discharge hole of the pipe conveying device 1 and a feed hole of the coil pipe device 2 are positioned on the same horizontal line; and after the pipe is discharged from the discharge port of the pipe conveying device 1, the pipe enters from the feeding port of the coil device 2 to be coiled.
The pipe conveying device 1 is used for conveying pipes, and can be a pipe tractor or any other mechanism capable of conveying pipes. The coil device 2 is used for realizing coil loading of the pipe.
Further, the inner diameter detection device of the pipe comprises a magnetic bead 301 and a magnetic sucker 302. The magnetic bead 301 is arranged inside the pipe, the magnetic sucker 302 is arranged outside the pipe and under the magnetic bead 301, and the magnetic bead 301 and the magnetic sucker 302 attract each other.
The magnetic attractor 302 may be a magnet having a magnetic property opposite to that of the magnetic bead 301, or may be a rod or the like that can be attracted to the magnetic bead 301. The magnetic beads 301 and the magnetic attractor 302 are mutually attracted, so that the magnetic beads 301 are located above the magnetic attractor 302 and are not carried away by the pipe, and the magnetic attractor 302 is in a suspended state under the action of the attraction force of the magnetic beads 301.
Further, the qualified range value of the inner diameter of the pipe is D ≦ L ≦ D, and the diameter D of the magnetic bead is1D; when the inner diameter of the pipe is in a qualified range, the magnetic beads are positioned in the pipe above the magnetic sucker under the action of the attraction force of the magnetic sucker 302, and do not move along with the pipe, and the magnetic sucker is suspended outside the pipe under the action of the attraction force of the magnetic beads.
When the inner diameter of the pipe is smaller than the lowest value of the qualified range value of the inner diameter of the pipe, namely the inner diameter of the pipe is smaller than the diameter of the magnetic bead, the magnetic bead is driven by the pipe to move along with the pipe, the magnetic bead moves away, the magnetic sucker loses attraction force and descends under the action of gravity.
Further, the alarm device comprises a primary alarm device, and the primary alarm device is arranged on the upstream of the pipe conveying device 1.
Further, the primary alarm device comprises a proximity switch 401 and a first alarm lamp 402 connected with the proximity switch 401. The proximity switch 401 is arranged right below the magnetic attracting device 302, when the magnetic attracting device 302 approaches the proximity switch 401, the proximity switch is closed, the first alarm lamp 402 is turned on, and the first alarm lamp 402 is arranged on the pipe conveying device 1.
When the inner diameter of the pipe is smaller than the lowest value of the qualified range value of the inner diameter of the pipe, namely the inner diameter of the pipe is smaller than the diameter of the magnetic bead, the magnetic bead can be driven by the pipe, the magnetic bead moves along with the pipe, the magnetic bead moves away, the magnetic sucker loses attraction force and descends under the action of gravity, and when the magnetic sucker descends to be close to the proximity switch, the proximity switch is triggered, so that the proximity switch is closed, and the first alarm lamp is turned on.
The first-level alarm device is in the tubular product internal diameter is less than during the magnetic bead diameter, can take place the warning voluntarily for when the tubular product internal diameter takes place unusually, the user can know at the very first time.
Further, the alarm device comprises a secondary alarm device, and the secondary alarm device comprises a magnetic induction switch 501, second alarm lamps 502 respectively connected with the magnetic induction switch 501 in series, and a coil device starting relay 503 connected with the magnetic induction switch 501 in series; magnetic induction switch 501 set up in on the coil pipe device 2, when sensing the magnetic bead is close to, magnetic induction switch 501 is automatic closed.
Further, the magnetic induction switch 501 controls the second alarm lamp 502 and the coil device starting relay 503 through an intermediate relay 504; the main contact 5041 of the intermediate relay 504 with the magnetic induction switch 501 is connected, the magnetic induction switch 501 passes through the first auxiliary contact 5042 of the intermediate relay 504 respectively with the second warning lamp 502 and the coil apparatus starting relay 503, the second warning lamp 502 and the coil apparatus starting relay 503 are arranged in parallel.
The second auxiliary contact 5043 of the intermediate relay 504 is connected to the second warning lamp 502, the third auxiliary contact 5044 of the intermediate relay 504 is connected to the coil device activation relay 503, the first auxiliary contact 5042 and the second auxiliary contact 5043 are in a normally open state, and the third auxiliary contact 5044 is in a normally closed state.
When the inner diameter of the pipe is abnormal, the magnetic bead moves along with the pipe, when the magnetic bead moves along with the pipe into the coil device 2, the magnetic induction switch senses the magnetic bead, the magnetic induction switch is closed, the intermediate relay is triggered, the normally open contact first auxiliary contact 5042 and the normally open contact second auxiliary contact 5043 of the intermediate relay are closed, the second alarm lamp 502 connected with the second auxiliary contact 5043 is turned on, and an alarm is started; meanwhile, the normally closed contact third auxiliary outlet 5044 of the intermediate relay is disconnected, so that the coil device starting relay connected with the intermediate relay is disconnected, and the coil device connected with the coil device starting relay stops working.
Further, the secondary alarm device further comprises a reset button 505, and the reset button 505 is connected in series with the intermediate relay 504 and is used for resetting the intermediate relay 504.
When the system can need to be restored to work, the reset button is pressed down, so that the intermediate relay is restored to the initial state, that is, the first auxiliary contact 5042 and the second auxiliary contact 5043 are in a normally open state, and the third auxiliary contact 5044 is in a normally closed state.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (4)
1. The on-line monitoring system for the inner diameter of the pipe is characterized by comprising a pipe conveying device, a pipe coiling device, a pipe inner diameter detection device and an alarm device; the pipe conveying device is arranged at the upstream of the coil pipe device and used for conveying the pipe to the coil pipe device, and a discharge port of the pipe conveying device and a feeding port of the coil pipe device are positioned on the same horizontal line;
the pipe inner diameter detection device comprises a pipe, a magnetic bead and a magnetic sucker;
the magnetic beads are arranged inside the tube, the magnetic attractor is arranged outside the tube and right below the magnetic beads, and the magnetic beads and the magnetic attractor are mutually attracted;
the qualified range value of the inner diameter of the pipe is D ≦ L ≦ D, and the diameter D of the magnetic bead1=d；
When the inner diameter of the tubing is in a qualified range, the magnetic beads are suspended inside the tubing, and the magnetic attractor is suspended outside the tubing;
the alarm device comprises a primary alarm device which is arranged at the upstream of the pipe conveying device; the alarm device comprises a secondary alarm device which is arranged at the coil pipe device;
the secondary alarm device comprises a magnetic induction switch, a second alarm lamp connected with the magnetic induction switch in series and a coil device starting relay connected with the magnetic induction switch in series, the second alarm lamp and the coil device starting relay are arranged in parallel, and the coil device starting relay is connected with the coil device and used for controlling the coil device to be turned on and turned off;
the magnetic induction switch set up in on the coil pipe device, when sensing the magnetic bead and being close to, the magnetic induction switch is automatic closed, with the second alarm lamp that the magnetic induction switch is established ties and is set up is bright, with the coil pipe device start-up relay disconnection that the magnetic induction switch is established ties and is set up, coil pipe device stop work.
2. The pipe inner diameter on-line monitoring system according to claim 1, characterized in that: the primary alarm device comprises a proximity switch and a first alarm lamp connected with the proximity switch;
the proximity switch is arranged under the magnetic attracting device, and when the magnetic attracting device approaches the proximity switch, the proximity switch is closed, and the first alarm lamp is turned on.
3. The pipe inner diameter on-line monitoring system according to claim 2, characterized in that: the magnetic induction switch controls the second alarm lamp and the turning-off device to start the relay through the intermediate relay;
the main contact of the intermediate relay is connected with the magnetic induction switch, the magnetic induction switch is respectively connected with the second alarm lamp and the coil device starting relay in series through the first auxiliary contact of the intermediate relay, and the second alarm lamp and the coil device starting relay are connected in parallel;
the second auxiliary contact of the intermediate relay is connected with the second alarm lamp, the third auxiliary contact of the intermediate relay is connected with the coil device starting relay, the first auxiliary contact and the second auxiliary contact are in a normally open state, and the third auxiliary contact is in a normally closed state.
4. The on-line pipe inner diameter monitoring system according to claim 3, characterized in that: the secondary alarm device further comprises a reset button, and the reset button is connected with the intermediate relay in series and used for realizing the reset of the intermediate relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201682.0A CN108413859B (en) | 2018-03-12 | 2018-03-12 | Pipe inner diameter on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201682.0A CN108413859B (en) | 2018-03-12 | 2018-03-12 | Pipe inner diameter on-line monitoring system |
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| Publication Number | Publication Date |
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| CN108413859A CN108413859A (en) | 2018-08-17 |
| CN108413859B true CN108413859B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810201682.0A Active CN108413859B (en) | 2018-03-12 | 2018-03-12 | Pipe inner diameter on-line monitoring system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532805A (en) * | 2009-04-27 | 2009-09-16 | 雅化集团绵阳实业有限公司 | Production line for automatically assembling basal detonator |
| CN104447140A (en) * | 2014-11-26 | 2015-03-25 | 雅化集团绵阳实业有限公司 | Safety interlock device used for whole line of DDNP continuous automatic production line |
| CN104616449A (en) * | 2015-01-16 | 2015-05-13 | 芜湖三联锻造有限公司 | Stalling preventing alarming system for inline quenching from rolling heat |
| CN205246039U (en) * | 2015-12-23 | 2016-05-18 | 天津永高塑业发展有限公司 | Tubular product internal diameter on -line monitoring device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500578A (en) * | 2016-11-24 | 2017-03-15 | 联塑市政管道（河北）有限公司 | Blockage detector and its detection method inside a kind of tubing |
| CN107101574A (en) * | 2017-07-10 | 2017-08-29 | 郑州市天籁防水材料有限公司 | A kind of detection warning system of automatic inspection inner-walls of duct deformation |
-
2018
- 2018-03-12 CN CN201810201682.0A patent/CN108413859B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532805A (en) * | 2009-04-27 | 2009-09-16 | 雅化集团绵阳实业有限公司 | Production line for automatically assembling basal detonator |
| CN104447140A (en) * | 2014-11-26 | 2015-03-25 | 雅化集团绵阳实业有限公司 | Safety interlock device used for whole line of DDNP continuous automatic production line |
| CN104616449A (en) * | 2015-01-16 | 2015-05-13 | 芜湖三联锻造有限公司 | Stalling preventing alarming system for inline quenching from rolling heat |
| CN205246039U (en) * | 2015-12-23 | 2016-05-18 | 天津永高塑业发展有限公司 | Tubular product internal diameter on -line monitoring device |
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| CN108413859A (en) | 2018-08-17 |
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Address after: No.58, Caiyun East Street, Hangu modern industrial zone, Binhai New Area Development Zone, Tianjin Patentee after: Ad pipeline (Tianjin) Co.,Ltd. Address before: No.58, Caiyun East Street, Hangu modern industrial zone, Binhai New Area Development Zone, Tianjin Patentee before: TIANJIN YONGGAO PLASTIC INDUSTRY DEVELOPMENT CO.,LTD. |
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