CN211398971U - Compound pull rod type expansion joint with telescopic counting device - Google Patents
Compound pull rod type expansion joint with telescopic counting device Download PDFInfo
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- CN211398971U CN211398971U CN201922412995.3U CN201922412995U CN211398971U CN 211398971 U CN211398971 U CN 211398971U CN 201922412995 U CN201922412995 U CN 201922412995U CN 211398971 U CN211398971 U CN 211398971U
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Abstract
The utility model relates to a compound pull rod type expansion joint with a telescopic counting device, which comprises a left connecting pipe, a first corrugated pipe, a middle connecting pipe, a second corrugated pipe and a right connecting pipe which are connected in sequence, wherein the first corrugated pipe is provided with an infrared counter which comprises an infrared emitter, a reflecting plate and an infrared receiver; infrared emitter and reflecting plate establish respectively in the both sides of bellows, and infrared emitter passes through the mount pad and takes over with a left side and be connected and fix, and the reflecting plate sets up with infrared emitter relatively, and infrared receiver establishes between infrared emitter and reflecting plate to lie in the same one side of bellows with infrared emitter, the infrared ray counter is connected with signal processor electricity. The utility model discloses a relevant data in the expansion joint use is gathered in real time to the infrared ray counter, through data processing and analysis back, can more accurate prediction expansion joint maintenance, maintenance and change time, be favorable to realizing intelligent monitoring, detection and the management of pipeline expansion joint.
Description
Technical Field
The utility model relates to an expansion joint technical field specifically is a double entry pull rod type expansion joint with flexible counting assembly.
Background
The expansion joint is also called a compensator, is generally installed in a heat supply pipeline or a gas transmission pipeline in a segmented mode and used for compensating the expansion of the pipeline, particularly a long-distance heat supply pipeline for transmitting high-temperature and high-pressure media, and the expansion joint is large in wall thickness, high in strength and large in axial displacement of an absorption pipeline. Therefore, the requirement on the reliability of the pipeline expansion joint is high.
Currently, the existing bellows expansion joint usually works in an internal pressure mode. After the medium is introduced into the pipeline, the medium can enter the inner cavity of the corrugated pipe, namely the inner wall of the corrugated pipe is subjected to the pressure of the medium. When the pipeline extends or contracts due to thermal expansion and cold contraction, the corrugated pipe is under the action of stretching or compressing force, and the pressure borne by the inner wall of the corrugated pipe is added, so that in the long-term use process, the expansion amount generated by the heat supply pipeline is large, the wave number of the corrugated pipe is large, the corrugated pipe of the expansion joint is easy to leak due to fatigue, and the whole expansion joint can be failed once the internal pressure type corrugated pipe expansion joint leaks. Therefore, the expansion joint of the pipeline needs to be maintained or replaced regularly, so that the service life of the expansion joint is short, the workload of maintenance and replacement is large, and the cost is high. Sometimes, the leakage and the failure expansion joint can not be found in time, and even the production safety accident is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double entry pull rod type expansion joint with flexible counting assembly. The expansion joint is detected and counted by adopting an infrared counter, relevant data in the use process of the expansion joint are collected in real time, and after data processing and analysis, the maintenance, overhaul and replacement time of the expansion joint can be predicted more accurately, so that intelligent monitoring and management are realized.
The purpose of the utility model is realized by adopting the following technical scheme:
the compound pull rod type expansion joint is provided with a telescopic counting device and comprises a left connecting pipe, a first corrugated pipe, a middle connecting pipe, a second corrugated pipe and a right connecting pipe which are sequentially connected, wherein a first guide pipe is arranged in the first corrugated pipe, a second guide pipe is arranged in the second corrugated pipe, the left end of the first guide pipe is connected and fixed with the inner wall of the left connecting pipe, the left end of the second guide pipe is connected and fixed with the inner wall of the middle connecting pipe, the first corrugated pipe or the second corrugated pipe is provided with the telescopic counting device, the telescopic counting device comprises an infrared counter, and the infrared counter comprises an infrared transmitter, a reflecting plate and an infrared receiver; infrared emitter and reflecting plate establish respectively in the both sides of bellows, and infrared emitter passes through the mount pad and takes over with a left side and be connected and fix, and the reflecting plate sets up with infrared emitter relatively, and infrared receiver establishes between infrared emitter and reflecting plate to lie in the same one side of bellows with infrared emitter, infrared counter is connected with signal processor electricity.
As the utility model discloses a preferred technical scheme, the reflecting plate is equipped with the reflection inclined plane for form the contained angle between the infrared ray of reflection through the reflecting plate and the infrared ray of launching from the transmitter, and, only when the bellows was compressed to setting for the length value, the infrared ray of reflection through the reflecting plate could be received by infrared receiver.
As the preferred technical scheme of the utility model, signal processor is connected with data memory, display or speaker electricity.
As the utility model discloses a preferred technical scheme, the left side is taken over and is taken over respectively with the right side and be equipped with the end plate, and middle takeover is equipped with middle otic placode, connects through big pull rod between the end plate that the end plate of taking over, middle otic placode and the right side of a left side are taken over, is equipped with nut assembly on the big pull rod.
As the utility model discloses a preferred technical scheme, nut component is including the ordinary nut, spherical nut, conical surface packing ring and the thin nut that connect gradually.
As the utility model discloses a preferred technical scheme, be equipped with the gusset between left side is taken over and the end plate, be equipped with the gusset between right side is taken over and the end plate.
The utility model has the advantages that: compared with the prior art, the utility model discloses an infrared ray counter gathers the relevant data in the expansion joint use in real time, through data processing and analysis back, can more accurate prediction expansion joint's maintenance, maintenance and change time, is favorable to realizing intelligent monitoring, detection and the management of pipeline expansion joint.
The utility model discloses can reduce the manual work and carry out the work load that the pipeline patrolled the line inspection, the data of collecting in the expansion joint use are favorable to optimizing the design of expansion joint, improve the wholeness ability of expansion joint and pipeline. The utility model discloses not only low in manufacturing cost, the installation is convenient with the maintenance, can increase substantially the security and the reliability of expansion joint moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a left connecting pipe, a right connecting pipe, a left corrugated pipe, a right corrugated pipe, a left corrugated pipe, a right corrugated pipe, a left corrugated pipe.
Detailed Description
The invention will be further described with reference to the following detailed description of the embodiments with reference to the accompanying drawings:
as shown in fig. 1, the double-pull-rod type expansion joint with the telescopic counting device comprises a left connecting pipe 1, a first corrugated pipe 4, a middle connecting pipe 8, a second corrugated pipe 7 and a right connecting pipe 3 which are connected in sequence, wherein a first guide pipe 5 is arranged in the first corrugated pipe 4, a second guide pipe 11 is arranged in the second corrugated pipe 7, the left end of the first guide pipe 5 is connected and fixed with the inner wall of the left connecting pipe 1, and the left end of the second guide pipe 11 is connected and fixed with the inner wall of the middle connecting pipe 8. The first corrugated pipe 4 is provided with a telescopic counting device, the telescopic counting device comprises an infrared counter, and the infrared counter comprises an infrared emitter 13, a reflecting plate 15 and an infrared receiver 14; the infrared emitter 13 and the reflecting plate 15 are respectively arranged at two sides of the first corrugated pipe 4, the infrared emitter 13 is connected and fixed with the left connecting pipe 1 through the mounting base 16, the reflecting plate 15 is arranged opposite to the infrared emitter 13, and the infrared receiver 14 is arranged between the infrared emitter 13 and the reflecting plate 15 and is positioned at the same side of the first corrugated pipe 4 as the infrared emitter 13. The infrared counter is electrically connected with the signal processor, and the signal processor is electrically connected with the data memory, the display or the loudspeaker.
In this embodiment, the reflective plate 15 is provided with a reflective slope, so that an included angle is formed between the infrared rays reflected by the reflective plate 15 and the infrared rays emitted from the emitter 13, and the infrared rays reflected by the reflective plate 15 can be received by the infrared receiver 14 only when the corrugated tube is compressed to a set length value.
The left connecting pipe 1 and the right connecting pipe 3 are respectively provided with an end plate 6, the middle connecting pipe 8 is provided with a middle lug plate 9, the end plate 6 of the left connecting pipe, the middle lug plate 9 and the end plate 6 of the right connecting pipe are connected through a large pull rod 10, the large pull rod 10 is provided with a nut component 2, and the nut component comprises a common nut, a spherical nut, a conical washer and a thin nut which are sequentially connected. A rib plate 12 is arranged between the left connecting pipe 1 and the end plate 6, and a rib plate 12 is arranged between the right connecting pipe 3 and the end plate 6.
The utility model discloses the expansion joint is in the use, and the bellows is compressed once and can be counted by infrared ray counter and be once to pass through signal processor transmission and processing with the signal, the signal after the processing passes through display or speaker output. And storing the relevant data into a memory so as to call the relevant data when needed.
The above embodiments are only for illustrating the conception and technical features of the present invention, and the purpose thereof is to make the technical personnel skilled in the art understand the technical solution and implementation mode of the present invention, and thus the protection scope of the present invention can not be limited thereby. All equivalent substitutions or equivalent changes made according to the technical scheme of the invention are intended to be covered by the protection scope of the claims of the invention.
Claims (6)
1. The utility model provides a double entry pull rod type expansion joint with flexible counting assembly, takes over including the left side that connects gradually, first bellows, middle takeover, second bellows and right side, is equipped with first honeycomb duct in the first bellows, is equipped with the second honeycomb duct in the second bellows, and the left end of first honeycomb duct is connected and is fixed with the inner wall of left takeover, and the left end of second honeycomb duct is connected and is fixed with the inner wall of middle takeover, first bellows or second bellows are equipped with flexible counting assembly, characterized by: the telescopic counting device comprises an infrared counter, and the infrared counter comprises an infrared transmitter, a reflecting plate and an infrared receiver; infrared emitter and reflecting plate establish respectively in the both sides of bellows, and infrared emitter passes through the mount pad and takes over with a left side and be connected and fix, and the reflecting plate sets up with infrared emitter relatively, and infrared receiver establishes between infrared emitter and reflecting plate to lie in the same one side of bellows with infrared emitter, infrared counter is connected with signal processor electricity.
2. The compound tension rod type expansion joint provided with a telescopic counting device according to claim 1, wherein: the reflecting plate is provided with a reflecting inclined plane, so that an included angle is formed between infrared rays reflected by the reflecting plate and infrared rays emitted from the emitter, and the infrared rays reflected by the reflecting plate can be received by the infrared receiver only when the corrugated pipe is compressed to a set length value.
3. The compound tension rod type expansion joint provided with a telescopic counting device according to claim 1, wherein: the signal processor is electrically connected with the data memory, the display or the loudspeaker.
4. The compound tension rod type expansion joint provided with a telescopic counting device according to claim 1, wherein: the left connecting pipe and the right connecting pipe are respectively provided with an end plate, the middle connecting pipe is provided with a middle lug plate, the end plate of the left connecting pipe, the middle lug plate and the end plate of the right connecting pipe are connected through a large pull rod, and the large pull rod is provided with a nut assembly.
5. The compound tension rod type expansion joint provided with a telescopic counting device according to claim 4, wherein: the nut component comprises a common nut, a spherical nut, a conical washer and a thin nut which are connected in sequence.
6. The compound tension rod type expansion joint provided with a telescopic counting device according to claim 1, wherein: and a rib plate is arranged between the left connecting pipe and the end plate, and a rib plate is arranged between the right connecting pipe and the end plate.
Priority Applications (1)
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CN201922412995.3U CN211398971U (en) | 2019-12-29 | 2019-12-29 | Compound pull rod type expansion joint with telescopic counting device |
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CN201922412995.3U CN211398971U (en) | 2019-12-29 | 2019-12-29 | Compound pull rod type expansion joint with telescopic counting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857290A (en) * | 2021-01-28 | 2021-05-28 | 中石化洛阳工程有限公司 | Method for measuring transverse displacement of pull rod type expansion joint |
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2019
- 2019-12-29 CN CN201922412995.3U patent/CN211398971U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857290A (en) * | 2021-01-28 | 2021-05-28 | 中石化洛阳工程有限公司 | Method for measuring transverse displacement of pull rod type expansion joint |
CN112857290B (en) * | 2021-01-28 | 2022-10-18 | 中石化洛阳工程有限公司 | Method for measuring transverse displacement of pull rod type expansion joint |
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