CN212839836U - Prefabricated direct-burried insulating tube with temperature stress strain monitoring function - Google Patents
Prefabricated direct-burried insulating tube with temperature stress strain monitoring function Download PDFInfo
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- CN212839836U CN212839836U CN202021444492.0U CN202021444492U CN212839836U CN 212839836 U CN212839836 U CN 212839836U CN 202021444492 U CN202021444492 U CN 202021444492U CN 212839836 U CN212839836 U CN 212839836U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000013307 optical fiber Substances 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
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Abstract
The utility model discloses a prefabricated direct-burried insulating tube with temperature stress strain monitoring function, including outer pillar, heat preservation, work steel pipe, optic fibre connecting box, axial stress sensor, hoop stress sensor, temperature sensor, communication optic fibre, compare with prior art, the utility model discloses following beneficial effect has: install at the inboard axial stress sensor of heat preservation through having designed, hoop stress sensor and temperature sensor, be convenient for carry out the temperature to the work steel pipe, hoop stress and meeting an emergency, the real-time supervision of axial stress and meeting an emergency, through having designed the intraformational optical fiber connection box of embedding heat preservation and the communication optic fibre that is connected with axial stress sensor, be convenient for handle sensor data through the optical fiber connection box, transmit data through communication optic fibre, thereby the real-time supervision of work steel pipe has been realized, play the guide effect to adjusting pipe network operating temperature and assurance pipe network safety, moreover, the steam generator is simple in structure, simple to operate's function.
Description
Technical Field
The utility model relates to a thermal insulation pipe technical field especially relates to a prefabricated direct-burried thermal insulation pipe with temperature stress strain monitoring function.
Background
The prefabricated direct-buried heat-insulating pipe is formed by tightly combining a steel pipe for conveying a medium, polyurethane rigid foam plastic and a high-density polyethylene outer sleeve, has the advantages of low engineering cost, small heat loss, long service life, small occupied space and the like, and is widely applied to a heat supply pipe network;
the existing prefabricated direct-buried heat preservation pipe does not solve the problem that in the actual operation process of a heat supply pipe network, the heat preservation pipe network is easy to generate pipe explosion phenomenon due to reasons of temperature fluctuation of conveying media, corrosion of pipelines in the pipe network, inconsistency of pipe network corner construction and design and the like, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a prefabricated direct-burried insulating tube with temperature stress strain monitoring function can solve in heating pipe network actual operation in-process, because reasons such as the transport medium temperature fluctuation, pipeline corrosion, pipe network turning construction and design discrepancy cause the insulating pipe network easily and produce the pipe explosion phenomenon, cause great economic loss's technical problem.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a prefabricated direct-burried insulating tube with temperature stress strain monitoring function, includes outer pillar, heat preservation, work steel pipe, optical fiber connection box, axial stress sensor, hoop stress sensor, temperature sensor, communication optic fibre are located between outer pillar and the work steel pipe.
As the utility model discloses a preferred technical scheme, the surface of outer pillar is provided with the mechanism that opens and shuts, the mechanism that opens and shuts includes the lantern ring, the outside at the outer pillar is established to lantern ring activity cover, the inner wall fixed mounting of the other end of the lantern ring has first fixture block, the outside fixed surface of first fixture block installs the fixed block, the surface activity cover of fixed block is equipped with the dwang, the fixed surface of outer pillar installs the second fixture block, the other end of dwang is worn to be equipped with the clamp bolt with second fixture block fixed connection, the access hole has been seted up to the surface of outer pillar.
As an optimal technical scheme of the utility model, axial stress sensor, hoop stress sensor, temperature sensor hug closely the setting of work steel pipe, temperature sensor, optical fiber connection box, communication optic fibre all are located the heat preservation.
As a preferred technical scheme of the utility model, axial stress sensor, hoop stress sensor, temperature sensor appear as the suit, axial stress sensor arranges along work steel pipe axial direction, hoop stress sensor arranges along work steel pipe circumferencial direction.
As an optimal technical scheme of the utility model, axial stress sensor, hoop stress sensor, temperature sensor are connected with communication optic fibre in the fiber connection box through the fiber signal line, fiber connection box and communication optic fibre set up a set ofly per-meter.
As a preferred technical scheme of the utility model, the cross sectional shape of the lantern ring is L shape, one side that the lantern ring is close the outer pillar is provided with the sealing rubber circle, sliding connection between the lantern ring and the outer pillar.
As a preferred technical scheme of the utility model, the cross sectional dimension of first fixture block is the same with the cross sectional dimension of second fixture block, first fixture block and second fixture block are constituteed a set ofly, first fixture block and second fixture block pass through the multiunit and constitute confined ring.
As a preferred technical scheme of the utility model, the cross-sectional shape of fixed block is T shape, rotate between fixed block and the dwang and be connected.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
1. the axial stress sensor, the hoop stress sensor and the temperature sensor which are arranged on the inner side of the heat insulation layer are designed, so that real-time monitoring of temperature, hoop stress and strain and axial stress and strain can be conveniently carried out on a working steel pipe;
2. through having designed the second fixture block of installing at outer pillar surface and installing first fixture block and the cover at lantern ring internal surface and establish the dwang at the fixed block surface, be convenient for close soon through clamp bolt and second fixture block to the realization is fixed the lantern ring, thereby has realized being convenient for detect the check out test set in the insulating tube and has been detected the maintenance, is convenient for protect the function of access hole.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the prefabricated directly-buried pipe of the present invention;
fig. 2 is a schematic view of the longitudinal section structure of the prefabricated directly-buried pipe of the present invention;
fig. 3 is a schematic view of the transverse rotating section structure of the prefabricated direct-buried pipe of the present invention;
wherein: 1. a collar; 2. an outer protecting pipe; 3. a first clamping block; 4. a fixed block; 5. rotating the rod; 6. a hold-down bolt; 7. a second fixture block; 8. a heat-insulating layer; 9. working steel pipes; 10. an access hole; 11. an optical fiber connection box; 12. an axial stress sensor; 13. a hoop stress sensor; 14. a temperature sensor; 15. a communication optical fiber.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example 1
Referring to fig. 2 and 3, the utility model provides a prefabricated direct-buried insulating pipe with temperature stress and strain monitoring function, which comprises an outer protecting pipe 2, an insulating layer 8, a working steel pipe 9, an optical fiber connecting box 11, an axial stress sensor 12, a hoop stress sensor 13, a temperature sensor 14 and a communication optical fiber 15, wherein the optical fiber connecting box 11, the axial stress sensor 12, the hoop stress sensor 13, the temperature sensor 14 and the communication optical fiber 15 are positioned between the outer protecting pipe 2 and the working steel pipe 9;
the axial stress sensor 12, the circumferential stress sensor 13 and the temperature sensor 14 are arranged close to the working steel pipe 9, and the temperature sensor 14, the optical fiber connecting box 11 and the communication optical fiber 15 are all positioned in the heat-insulating layer 8; the axial stress sensor 12, the hoop stress sensor 13 and the temperature sensor 14 are used as a sleeve, the axial stress sensor 12 is arranged along the axial direction of the working steel pipe 9, and the hoop stress sensor 13 is arranged along the circumferential direction of the working steel pipe 9; the axial stress sensor 12, the annular stress sensor 13 and the temperature sensor 14 are connected with the communication optical fiber 15 in the optical fiber connecting box 11 through optical fiber signal wires, and the optical fiber connecting box 11 and the communication optical fiber 15 are arranged in a group every 100-110 meters;
when detecting the insulating tube, carry out the detection of hoop stress and meeting an emergency to work steel pipe 9 through hoop stress sensor 13, carry out the detection of axial stress and meeting an emergency to work steel pipe 9 through axial stress sensor 12, stabilize the detection to work steel pipe 9 through temperature sensor 14, handle the data of detecting through fiber optic connector box 11, data after will handling is transmitted through communication optic fibre 15, thereby realized the real-time supervision of work steel pipe 9, play the guide effect to adjusting pipe network operating temperature and guaranteeing pipe network safety, moreover, the steam generator is simple in structure, and the function of convenient installation.
Example 2
Referring to fig. 1 and 2, the utility model provides a prefabricated direct-buried thermal insulation pipe with temperature stress and strain monitoring function, which comprises an outer protective pipe 2, a thermal insulation layer 8, a working steel pipe 9 and an optical fiber connecting box 11, the outer surface of the outer protecting pipe 2 is provided with an opening and closing mechanism, the opening and closing mechanism comprises a lantern ring 1, the lantern ring 1 is movably sleeved on the outer side of the outer protecting pipe 2, a first fixture block 3 is fixedly installed on the inner wall of the other end of the lantern ring 1, a fixed block 4 is fixedly installed on the surface of the outer side of the first fixture block 3, a rotating rod 5 is movably sleeved on the outer surface of the fixed block 4, a second fixture block 7 is fixedly installed on the outer surface of the outer protecting pipe 2, a pressing bolt 6 fixedly connected with the second fixture block 7 penetrates through the other end of the rotating rod 5, and the outer surface of the outer protecting pipe 2 is provided with an overhauling port 10;
the section of the lantern ring 1 is L-shaped, one side of the lantern ring 1 close to the outer protecting pipe 2 is provided with a sealing rubber ring, and the lantern ring 1 is connected with the outer protecting pipe 2 in a sliding mode; the sectional dimension of the first fixture block 3 is the same as that of the second fixture block 7, the first fixture block 3 and the second fixture block 7 form a group, and the first fixture block 3 and the second fixture block 7 form a closed ring through multiple groups; the cross section of the fixed block 4 is T-shaped, and the fixed block 4 is rotatably connected with the rotating rod 5;
when the mechanism of opening and shutting of this device used, unscrew clamp bolt 6, make clamp bolt 6 and the separation of second fixture block 7, rotate dwang 5, make dwang 5 no longer shelter from second fixture block 7, the pulling lantern ring 1, make lantern ring 1 at the surperficial slip of outer pillar 2, thereby make access hole 10 expose outside, thereby through the outside access hole 10 of outer pillar 2 to the 8 inboard optical fiber connection box 11 of heat preservation, axial stress sensor 12, hoop stress sensor 13, temperature sensor 14 monitors the maintenance, thereby realized being convenient for detect the maintenance to the check out test set in the heat preservation pipe, be convenient for carry out the function protected to access hole 10.
The utility model provides a pair of prefabricated direct-burried insulating tube with temperature stress strain monitoring function, through having designed and installed axial stress sensor 12, hoop stress sensor 13 and the temperature sensor 14 of 8 inboards in the heat preservation, be convenient for carry out the real-time supervision of temperature, hoop stress and strain, axial stress and strain to work steel pipe 9, through having designed optic fibre connecting box 11 that imbeds in the heat preservation 8 and the communication optic fibre 15 that is connected with axial stress sensor 12, be convenient for handle sensor data through optic fibre connecting box 11, transmit data through communication optic fibre 15, thereby realized the real-time supervision of work steel pipe 9, play the guide effect to adjusting pipe network operating temperature and guaranteeing pipe network safety, moreover, the steam generator is simple in structure, the function of convenient installation; through having designed second fixture block 7 of installing at outer pillar 2 surface and installing at the first fixture block 3 of 1 internal surface of the lantern ring and establish the dwang 5 at 4 surfaces of fixed block, be convenient for close soon through clamp bolt 6 and second fixture block 7 to the realization is fixed lantern ring 1, thereby has realized being convenient for detect the maintenance to the check out test set in the insulating tube, is convenient for carry out the function of protecting to access hole 10.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a prefabricated direct-burried insulating tube with temperature stress strain monitoring function, includes outer pillar (2), heat preservation (8), work steel pipe (9), optic fibre connecting box (11), axial stress sensor (12), hoop stress sensor (13), temperature sensor (14), communication optic fibre (15), its characterized in that: the optical fiber connecting box (11), the axial stress sensor (12), the hoop stress sensor (13), the temperature sensor (14) and the communication optical fiber (15) are located between the outer protecting pipe (2) and the working steel pipe (9).
2. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 1, characterized in that: the surface of outer pillar (2) is provided with the mechanism that opens and shuts, the mechanism that opens and shuts includes the lantern ring (1), the outside at outer pillar (2) is established to lantern ring (1) activity cover, the inner wall fixed mounting of the other end of the lantern ring (1) has first fixture block (3), the outside fixed surface of first fixture block (3) installs fixed block (4), the outer surface activity cover of fixed block (4) is equipped with dwang (5), the outer fixed surface of outer pillar (2) installs second fixture block (7), the other end of dwang (5) is worn to be equipped with compressing bolt (6) with second fixture block (7) fixed connection, access hole (10) have been seted up to the surface of outer pillar (2).
3. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 1, characterized in that: the axial stress sensor (12), the hoop stress sensor (13) and the temperature sensor (14) are arranged close to the working steel pipe (9), and the temperature sensor (14), the optical fiber connecting box (11) and the communication optical fiber (15) are all located in the heat insulation layer (8).
4. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 1, characterized in that: the axial stress sensor (12), the hoop stress sensor (13) and the temperature sensor (14) are used as a set, the axial stress sensor (12) is arranged along the axial direction of the working steel pipe (9), and the hoop stress sensor (13) is arranged along the circumferential direction of the working steel pipe (9).
5. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 1, characterized in that: the axial stress sensor (12), the circumferential stress sensor (13) and the temperature sensor (14) are connected with the communication optical fiber (15) in the optical fiber connecting box (11) through optical fiber signal lines, and the optical fiber connecting box (11) and the communication optical fiber (15) are arranged in a group every 100 meters and 110 meters.
6. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 2, characterized in that: the cross-sectional shape of lantern ring (1) is L shape, the lantern ring (1) is close to one side of outer pillar (2) and is provided with the sealing rubber circle, sliding connection between lantern ring (1) and outer pillar (2).
7. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 2, characterized in that: the cross-sectional dimension of the first clamping block (3) is the same as that of the second clamping block (7), the first clamping block (3) and the second clamping block (7) form a group, and the first clamping block (3) and the second clamping block (7) form a closed circular ring through multiple groups.
8. The prefabricated direct-burried thermal insulation pipe with the temperature stress strain monitoring function of claim 2, characterized in that: the cross-sectional shape of fixed block (4) is T shape, rotate between fixed block (4) and dwang (5) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444492.0U CN212839836U (en) | 2020-07-21 | 2020-07-21 | Prefabricated direct-burried insulating tube with temperature stress strain monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444492.0U CN212839836U (en) | 2020-07-21 | 2020-07-21 | Prefabricated direct-burried insulating tube with temperature stress strain monitoring function |
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| CN212839836U true CN212839836U (en) | 2021-03-30 |
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| CN202021444492.0U Active CN212839836U (en) | 2020-07-21 | 2020-07-21 | Prefabricated direct-burried insulating tube with temperature stress strain monitoring function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119885692A (en) * | 2025-03-27 | 2025-04-25 | 西安交通大学 | Optimal design method and related device for metal hose |
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2020
- 2020-07-21 CN CN202021444492.0U patent/CN212839836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119885692A (en) * | 2025-03-27 | 2025-04-25 | 西安交通大学 | Optimal design method and related device for metal hose |
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