CN214147008U - Expansion joint with pipeline alarm system - Google Patents
Expansion joint with pipeline alarm system Download PDFInfo
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- CN214147008U CN214147008U CN202023152098.2U CN202023152098U CN214147008U CN 214147008 U CN214147008 U CN 214147008U CN 202023152098 U CN202023152098 U CN 202023152098U CN 214147008 U CN214147008 U CN 214147008U
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Abstract
The utility model discloses an expansion joint with pipeline alarm system belongs to piping installation technical field, the utility model discloses a core pipe, bellows compensation unit, the sleeve unit that the symmetry set up, the outer lane cover that the tip welding of core pipe has shear ring, core pipe is equipped with the polyethylene pipe, and the sleeve unit sets up between core pipe and bellows compensation unit, the utility model discloses well bellows compensation unit is provided with pressure sensor near the junction of sleeve unit, and one side that the sleeve unit is close to bellows compensation unit is provided with sealed unit, is provided with in the sealed unit and meets the water expansion type stagnant water rubber circle and Y type rubber circle. The utility model discloses an above setting to realized the failure alarm of bellows, and strived for the replacement time for repair work, reserved welding space.
Description
Technical Field
The utility model relates to a pipeline equipment technical field, concretely relates to expansion joint with pipeline alarm system.
Background
At present, a plurality of expansion joints used for compensating pipeline expansion are required to be installed in sections in the existing heat supply pipeline, particularly a long-distance heat supply pipeline used for conveying high-temperature and high-pressure media, and the expansion joints are large in wall thickness and high in strength. In the use process, the expansion amount generated by the heat supply pipeline is large, the wave number of the corrugated pipe is large, and the corrugated pipe of the expansion joint is easy to leak locally due to fatigue. Therefore, leakage faults need to be found and leakage points need to be determined in time so as to be convenient for quick maintenance or replacement of the expansion joint and guarantee normal operation of the pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expansion joint with pipeline alarm system.
The technical scheme of the utility model is that: the utility model provides an expansion joint with pipeline alarm system, the core pipe that sets up including the symmetry, bellows compensation unit, sleeve unit, the tip welding of core pipe has the shear ring, the outer lane cover of core pipe is equipped with polyethylene pipe, sleeve unit sets up between core pipe and bellows compensation unit, the junction that bellows compensation unit is close to sleeve unit is provided with pressure sensor, be provided with the heat preservation filling layer between core pipe and the polyethylene pipe, one side that sleeve unit is close to bellows compensation unit is provided with sealed unit, and this side of sleeve unit runs through on the heat preservation filling layer after-fixing in core pipe between polyethylene pipe and the core pipe through spacing pole subassembly, be provided with in the sealed unit and meet water intumescent stagnant water rubber circle and Y type rubber circle.
According to the technical scheme, the outer ring of the corrugated pipe compensation unit is provided with a wave compensation outer sleeve plate, the outer ring of the wave compensation outer sleeve plate is provided with an outer protection steel sleeve, a supporting lug plate is arranged between the outer protection steel sleeve and the wave compensation outer sleeve plate, a sealing steel sleeve is arranged between one end, close to the sleeve unit, of the outer protection steel sleeve and the polyethylene pipe, the polyethylene pipe is in sealing connection with the end portion of the outer protection steel sleeve through a ring plate, and a heat preservation filling layer is arranged between the outer protection steel sleeve and the wave compensation outer sleeve plate.
According to a further technical scheme, the corrugated pipe compensation unit comprises a corrugated pipe connected through a corrugated connecting plate, the corrugated pipe is sleeved on the outer ring of the core pipe, and one end of the sleeve unit is fixed on the corrugated connecting plate at the end part of the corrugated pipe compensation unit.
According to a further technical scheme, a PVC sleeve is arranged between the limiting rod assembly and the heat-insulating filling layer.
According to a further technical scheme, an O-shaped sealing ring is sleeved at one end, close to a sealing steel sleeve, of the polyethylene pipe.
The utility model has the advantages that: the utility model discloses be provided with triple seal structure, make bellows compensation unit can guarantee freely removing under the well sealed prerequisite, guaranteed good compensation performance, cooperation pressure sensor, guarantee safety in production to reserved the space for the welding, strived for the replacement time, be favorable to reduction in production cost, energy-concerving and environment-protective improves economic benefits and social greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged view of the structure at B in fig. 1.
The device comprises a core pipe 1, a core pipe 11, a shearing ring 2, a polyethylene pipe 21, an O-shaped sealing ring 3, a corrugated pipe compensation unit 31, a pressure sensor 32, a corrugated pipe compensation outer sleeve plate 33, a corrugated pipe 34, a corrugated connecting plate 4, a sleeve unit 41, a sealing unit 411, a water expansion type water stop rubber ring 412, a Y-shaped rubber ring 5, an outer protective steel sleeve 51, a supporting lug plate 52, a ring plate 6, a sealing steel sleeve 7, a limiting rod assembly 71, a PVC sleeve 8 and a heat insulation filling layer.
Detailed Description
The invention will be further elucidated below by means of non-limiting examples, with the understanding that the invention is not limited thereto.
As shown in fig. 1-3, the utility model relates to an expansion joint with pipeline alarm system, including core pipe 1, bellows compensation unit 3, the sleeve unit 4 that the symmetry set up, bellows compensation unit 3 includes the bellows 33 that connects through ripple connecting plate 34, and bellows 33 cover is located core pipe 1 and is the outer lane, and sleeve unit 4 one end is fixed on the ripple connecting plate 34 of 3 tip of bellows compensation unit.
The end part of the core pipe 1 is welded with a shearing ring 11, the outer ring of the core pipe 1 is sleeved with a polyethylene pipe 2, the sleeve unit 4 is arranged between the core pipe 1 and the corrugated pipe compensation unit 3, the joint of the corrugated pipe compensation unit 3 close to the sleeve unit 4 is provided with a pressure sensor 31, a heat-insulating filling layer 8 is arranged between the core pipe 1 and the polyethylene pipe 2, one side of the sleeve unit 4 close to the corrugated pipe compensation unit 3 is provided with a sealing unit 41, the side of the sleeve unit 4 penetrates through the heat-insulating filling layer 8 between the polyethylene pipe 2 and the core pipe 1 through a limiting rod assembly 7 and then is fixed on the core pipe 1, and a PVC sleeve 71 is arranged between the limiting rod assembly; the sealing unit 41 is provided with a water-swelling type water-stopping rubber ring 411 and a Y-shaped rubber ring 412.
The outer ring of the corrugated pipe compensation unit 3 is provided with a wave compensation outer sleeve plate 32, the outer ring of the wave compensation outer sleeve plate 32 is provided with an outer protective steel sleeve 5, a supporting lug plate 51 is arranged between the outer protective steel sleeve 5 and the wave compensation outer sleeve plate 32, a sealing steel sleeve 6 is arranged between one end, close to the sleeve unit 4, of the outer protective steel sleeve 5 and the polyethylene pipe 2, and an O-shaped sealing ring 21 is sleeved at one end, close to the sealing steel sleeve 6, of the polyethylene pipe 2. The ends of the polyethylene pipe 2 and the outer protective steel sleeve 5 are hermetically connected through a ring plate 52, and a heat-insulating filling layer 8 is arranged between the outer protective steel sleeve 5 and the corrugated outer sleeve plate 32.
The utility model discloses a multiple seal structure, bellows compensation unit 3's both ends are equipped with and are used for sealed sleeve unit 4 as first reuse, and the heat preservation junction at both ends forms the second seal structure, and is right in order to guarantee the utility model discloses the detection of internal pressure, the utility model discloses well sleeve unit 4 still is equipped with pressure sensor 31 with 3 sealed departments of bellows compensation unit, and this pressure sensor 31 accessible wireless transmission mechanism connects the alarm, then regards as the triple seal unit near the seal unit 41 that pressure sensor 31 set up: the water-swelling type water-stopping rubber ring 411 and the Y-shaped rubber ring 412 are arranged at the position; through the arrangement, the failure alarm of the corrugated pipe 33 is realized, the replacement time is strived for the repair work through the third triple sealing unit 41, and the welding space is reserved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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)
1. The utility model provides an expansion joint with pipeline alarm system, core pipe, bellows compensation unit, the sleeve unit that sets up including the symmetry, the tip welding of core pipe has the outer lane cover of shearing ring, core pipe to be equipped with polyethylene pipe, the sleeve unit sets up between core pipe and bellows compensation unit, its characterized in that: the corrugated pipe compensation unit is provided with a pressure sensor at the joint close to the sleeve unit, a heat-insulating filling layer is arranged between the core pipe and the polyethylene pipe, a sealing unit is arranged on one side of the sleeve unit close to the corrugated pipe compensation unit, the side of the sleeve unit is fixed on the core pipe after penetrating through the heat-insulating filling layer between the polyethylene pipe and the core pipe through a limiting rod assembly, and a water expansion type water stopping rubber ring and a Y-shaped rubber ring are arranged in the sealing unit.
2. An expansion joint provided with a pipeline alarm system according to claim 1, wherein: the outer lane of bellows compensation unit is equipped with ripples and mends the exterior sheathing board, the outer lane that the outer sheathing board was mended to the ripples is equipped with outer steel jacket, be equipped with the support otic placode between outer steel jacket and the ripples mends the exterior sheathing board, outer steel jacket is close to and is equipped with sealed steel sleeve between the one end of sleeve unit and the polyethylene pipe, the polyethylene pipe passes through crown plate sealing connection with the tip of outer steel jacket, outer steel jacket and ripples are mended and are equipped with the heat preservation filling layer between the exterior sheathing board.
3. An expansion joint provided with a pipeline alarm system according to claim 1, wherein: the corrugated pipe compensation unit comprises a corrugated pipe connected through a corrugated connecting plate, the corrugated pipe is sleeved on the outer ring of the core pipe, and one end of the sleeve unit is fixed on the corrugated connecting plate at the end part of the corrugated pipe compensation unit.
4. An expansion joint provided with a pipeline alarm system according to claim 1, wherein: and a PVC sleeve is arranged between the limiting rod assembly and the heat-insulating filling layer.
5. An expansion joint provided with a pipeline alarm system according to claim 1, wherein: and an O-shaped sealing ring is sleeved at one end of the polyethylene pipe close to the sealing steel sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023152098.2U CN214147008U (en) | 2020-12-24 | 2020-12-24 | Expansion joint with pipeline alarm system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023152098.2U CN214147008U (en) | 2020-12-24 | 2020-12-24 | Expansion joint with pipeline alarm system |
Publications (1)
Publication Number | Publication Date |
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CN214147008U true CN214147008U (en) | 2021-09-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202023152098.2U Active CN214147008U (en) | 2020-12-24 | 2020-12-24 | Expansion joint with pipeline alarm system |
Country Status (1)
Country | Link |
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CN (1) | CN214147008U (en) |
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2020
- 2020-12-24 CN CN202023152098.2U patent/CN214147008U/en active Active
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