CN110307999A - A kind of Roughing line experimental provision for levitated transport - Google Patents
A kind of Roughing line experimental provision for levitated transport Download PDFInfo
- Publication number
- CN110307999A CN110307999A CN201910573121.8A CN201910573121A CN110307999A CN 110307999 A CN110307999 A CN 110307999A CN 201910573121 A CN201910573121 A CN 201910573121A CN 110307999 A CN110307999 A CN 110307999A
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- Prior art keywords
- hollow tube
- temperature sensor
- closed conduit
- experimental provision
- stress analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of Roughing line experimental provision for levitated transport, including pond, closed conduit, heating system, stress analysis system and vacuum load device；Support is equipped with inside pond；Closed conduit includes horizontal hollow tube on the support, and the both ends of hollow tube are equipped with cover board, and one of cover board is equipped with cable port and pipeline opening；Heating system includes heater, the first temperature sensor, further includes temperature control equipment, and heater, the first temperature sensor are electrically connected to temperature control equipment；Stress analysis system includes stress analysis device, second temperature sensor, several foil gauges, and second temperature sensor, foil gauge and stress analysis device are electrically connected；Vacuum load, which installs pipes, is connected to pipeline opening.The present invention provides a proper test research device by the mutual cooperation between pond, closed conduit, heating system, stress analysis system and vacuum load device for the development of levitated transport, structure is simple, practical.
Description
Technical field
The present invention relates to experimental rig fields, and in particular to a kind of Roughing line experiment dress for levitated transport
It sets.
Background technique
Vacuum-pipeline transfer system has the advantages such as quick, convenient, safe and environment-friendly, efficient, can make up high-speed rail and aviation
Speed blank between 400 ~ 800 km/h, it will be used as the 5th class communications and transportation mode, transport with existing highway transportation, railway
Defeated, water transport and air transportion form strong complementation, have broad application prospects and market value.The basic principle of vacuum pipe system
It is to establish closed conduit, reduces pressure in pipeline using air-extractor, create the running environment of low Media density, reduces column
Vehicle runs air drag and aerodynamic noise, to further increase the travel speed of train.
Research institution, various countries is constantly designed and is improved to vacuum pipe system at present, about Evacuated tube transportation
In terms of systematic research is concentrated mainly on train aerodynamics, and pipeline is the carrier of whole system, can to the safety of system
It is highly desirable by having vital effect with cost control, therefore conducting a research for pipeline.By means of existing rail
Pipeline transportation system carries out the construction of vacuum-pipeline transfer system, can save rare ground land resource, efficiently empty using underground
Between, and the complex working condition requirement that can tunnel structure meet low vacuum transport in various aspects such as intensity, sealing performances is all urgently real
Test exploration.
Large space in pipeline, prolonged vacuum degree will be kept for vacuum-pipeline transfer system, pipeline configuration it is airtight
Property and watertightness be to need the critical issue studied；Pipeline under low vacuum environment, deformation and stress performance are in for inside
Change be also that cannot be neglected；The high-speed cruising of low vacuum Train in Tunnel can significantly improve the environment temperature on the inside of section of jurisdiction,
The temperature stress that pipeline generates under internal-external temperature difference can not also despise；In addition, section of jurisdiction inside pressure will when low vacuum tunnel maintenance
The case where coming back to atmospheric pressure, low vacuum-normal pressure reverse cyclic loadings will be faced on the inside of section of jurisdiction, intensity of the operating condition to section of jurisdiction
It influences to be also to need the problem of exploring.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of Roughing line for levitated transport is real
Experiment device, concrete scheme are as follows:
A kind of Roughing line experimental provision for levitated transport, including pond, closed conduit, heating system, stress point
Analysis system and vacuum load device；Support is equipped with inside the pond；The closed conduit includes horizontal on the support
Hollow tube, the both ends of the hollow tube are equipped with cover board, and one of cover board is equipped with cable port and pipeline opening；The heating
System includes heater, the first temperature sensor being arranged in inside the closed conduit, further includes being arranged in the sealed tube
Temperature control equipment outside road, the heater, the first temperature sensor are electrically connected to the temperature control equipment；Institute
Stress analysis system is stated to include the stress analysis device being arranged in outside the closed conduit and be arranged in the hollow tube side wall
Interior second temperature sensor further includes several foil gauges that the inside and outside circumference of the hollow tube is arranged in, and the second temperature passes
Sensor, foil gauge are electrically connected with the stress analysis device；The vacuum load device is connected by vacuum pipe equipment
To the pipeline opening.
Based on above-mentioned, the hollow tube is formed by high-strength grout and metal ribs net coagulation；The both ends of the hollow tube add
It is thick；Built-in fitting is equipped at the both ends thickening of the hollow tube；The built-in fitting includes doughnut-shaped steel plate, the side of the doughnut-shaped steel plate
Several dowels extended into hollow tube are along the circumferential direction equipped with, the other side of the doughnut-shaped steel plate is along the circumferential direction equipped with several
Screw-threaded counterbore；The inward flange of the doughnut-shaped steel plate is equipped with heavy platform；The cover board is steel deck-plate；The inside of the cover board is equipped with and institute
State the corresponding boss of heavy platform；Several tapped through holes corresponding with the screw-threaded counterbore are additionally provided on the cover board, the cover board is logical
The bolt crossed through the tapped through hole is screwed together with the doughnut-shaped steel plate.
Based on above-mentioned, the first seal groove, the second seal groove of annular, first sealing are offered on the inside of the cover board
Slot, the second seal groove are equipped in first seal groove, the second seal groove between the boss and the tapped through hole
Sealing ring.
Based on above-mentioned, the heater includes several twin pipes of transparent shortwave that the hollow tube is arranged in.
Based on above-mentioned, first temperature sensor is K-type thermocouple；The second temperature sensor is platinum resistance temperature
Sensor.
Based on above-mentioned, the cooling device to vacuum load device cooling is additionally provided in the vacuum load device.
Based on above-mentioned, for the foil gauge of the closed conduit inner periphery, the stress analysis device considers temperature-compensating；
The foil gauge of the closed conduit excircle is equipped with waterproofing protection.
Based on above-mentioned, the hollow tube is by anti-floating hoisting cable anchorage on the support.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, specifically, the present invention has
It has the advantage that
1, the Roughing line experimental provision provided by the present invention for levitated transport, including pond, basin bottom are equipped with
Closed conduit further includes adding the vacuum load device of closed conduit vacuum pumping and to what closed conduit was internally heated
Hot systems, the full-scope simulation environment of levitated transport pipeline.
2, pass through the inside and outside foil gauge provided circumferentially about of the hollow tube in closed conduit, the pipe of hollow tube in the present invention
The stress analysis device electrical property that temperature sensor, temperature sensor and foil gauge are set in wall and are arranged in outside closed conduit
Connection, internal strain piece consider temperature-compensating, and external strain piece is equipped with waterproofing protection, this structure is designed as the deformation of research pipeline
Provide reliable scheme.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the axial sectional view of closed conduit in the present invention.
Fig. 3 is the radial cross-section of hollow tube in the present invention.
Fig. 4 is the mounting structure schematic diagram of trigone frame and the twin pipe of shortwave in the present invention.
Fig. 5 is mounting structure schematic diagram of the trigone frame in hollow tube in the present invention.
Fig. 6 is the main view of built-in fitting in the present invention.
Fig. 7 is the side view of built-in fitting in the present invention.
Fig. 8 is the main view of cover plate of the present invention.
Fig. 9 is the cross-sectional view of cover plate of the present invention.
Figure 10 is the enlarged drawing in Fig. 2 at A.
In figure: 1. ponds；2. hollow tube；3. support；4. vacuum load device；5. stress analysis device；6. temperature controls
Device；7. doughnut-shaped steel plate；8. dowel；9. cover board；10. bolt；11. vacuum pipe equipment；12. screw-threaded counterbore；13.K type thermoelectricity
It is even；14. sensor stand；15. platinum resistance temperature sensor；16. foil gauge；17. trigone bracket；18. body cradle；19. swing rod；
20. pipeline opening；21. cable port；22. tapped through hole；23. the first seal groove；24. the second seal groove；25. boss；26. heavy platform；
27. the twin pipe of shortwave；28. sucker.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment
The present invention provides a kind of Roughing line experimental provision for levitated transport, including pond 1, closed conduit,
Heating system, stress analysis system and vacuum load device 4.
To be easily installed closed conduit, support 3 is equipped with inside pond 1, and the closed conduit includes horizontal described
Hollow tube 2 on support 3 and the cover board 9 in the setting of the both ends of hollow tube 2, one of cover board 9 are equipped with cable port
21 and pipeline opening 20.
For the position of fixed closed conduit, the hollow tube 2 is by anti-floating hoisting cable anchorage on the support 3.
Hollow tube 2 is formed by high-strength grout and metal ribs net coagulation, and metal ribs net refers to by circumferential reinforcement and longitudinal steel
The cylindric muscle net that muscle is knitted to form.To guarantee that the integrally-built stability of closed conduit and leakproofness, the both ends of hollow tube 2 add
Thickness is equipped with built-in fitting at the thickening of both ends.
The built-in fitting includes doughnut-shaped steel plate 7, and the side of the doughnut-shaped steel plate 7 is along the circumferential direction equipped with into hollow tube 2
Several dowels 8 extended, the other side of the doughnut-shaped steel plate 7 is along the circumferential direction equipped with several screw-threaded counterbores 12, the ring steel
The inward flange of plate 7 is additionally provided with heavy platform 26.
The cover board 9 uses steel deck-plate, and the inside of cover board 9 is equipped with boss 25 corresponding with the heavy platform 26, goes back on cover board 9
Equipped with several tapped through holes 22 corresponding with the screw-threaded counterbore 12, the cover board 9 passes through the spiral shell through the tapped through hole 22
Bolt 10 is screwed together with the doughnut-shaped steel plate 7.
For the leakproofness for guaranteeing cover board 9 and 7 contact surface of doughnut-shaped steel plate, it is close that annular first is offered on the inside of the cover board 9
Sealing groove 23, the second seal groove 24, first seal groove 23, the second seal groove 24 are located at the boss 25 and the tapped through hole
Between 22, sealing ring is equipped in first seal groove 23, the second seal groove 24.
Inner wall of the pipe is heated in vacuum environment for realization to simulate train high speed by caused temperature rise, so
The heating system being internally heated to closed conduit is additionally provided in the present invention.The heating system includes being arranged described closed
Heater, the first temperature sensor inside pipeline further include the temperature control equipment 6 being arranged in outside the closed conduit,
The heater, the first temperature sensor are electrically connected to the temperature control equipment 6 by passing through the conducting wire of cable port 21.
The heater includes the twin pipe 27 of several shortwaves, and the twin pipe 27 of these shortwaves is placed on trigone bracket 17.Trigone
Bracket 17 is horizontal in hollow tube 2, and the both ends of trigone bracket 17 are equilateral triangle, and six points of trigone bracket 17 are connected to
On 2 inner wall of hollow tube, for the position of fixed trigone bracket 17, several body cradles 18, body cradle 18 are additionally provided on trigone bracket 17
On be hinged with several swing rods 19, the end of swing rod 19 is equipped with the sucker 28 for being adsorbed on 2 inner wall of hollow tube.
First temperature sensor is specially a K-type thermocouple 13, and the K-type thermocouple 13 is solid by sensor stand 14
It is scheduled on the trigone bracket 17.
For convenient for research vacuum state under closed conduit deformation, the present invention in be additionally provided with stress analysis system, it is described to answer
Power analysis system includes that the stress analysis device 5 outside the closed conduit is arranged in and is arranged in 2 side wall of hollow tube
Second temperature sensor, further include several foil gauges 16 that the inside and outside circumference of the hollow tube 2 is set, the second temperature
Sensor, foil gauge 16 be electrically connected with the stress analysis device 5, and wherein second temperature sensor and inner periphery are answered
The connecting wire for becoming piece 16 and stress analysis device 5 passes through cable port 21, is equipped with waterproof gasket cement at cable port 21.
It examines it should be noted that the second temperature sensor is platinum resistance temperature sensor 15.
Certain influence may be generated to the deformation of foil gauge 16 by considering temperature, for the closed conduit inner periphery
Stress analysis device 5 described in foil gauge 16 considers temperature-compensating；For the foil gauge 16 of the closed conduit excircle, it is equipped with anti-
Water conservation.
The vacuum load device 4 is used to taking out closed conduit into the vacuum state to need, and passes through vacuum pipe equipment
11 are connected to the pipeline opening 20 on the cover board 9.Vacuum load device 4 in the present invention mainly includes vacuum pump, filter, cold
Heat exchanger, PLC electric cabinet and unit base, check-valves, manual ball valve, bellows, vacuum meter and pipe valve etc. are attached
Part.
Further, since vacuum load device 4 is being during vacuumizing closed conduit, inside tended to heat, if not
Cooling in time, then be easily damaged device, so, it is additionally provided with cooling device inside vacuum load device 4, the cooling device is main
Including to the water injector to cool down inside vacuum load device 4, water injector is interior to be equipped with temperature inductor, water injector spray
The size of water can be according to the temperature automatic adjustment inside vacuum load device 4.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (8)
1. a kind of Roughing line experimental provision for levitated transport, it is characterised in that: including pond, closed conduit, add
Hot systems, stress analysis system and vacuum load device；Support is equipped with inside the pond；The closed conduit include it is horizontal
Hollow tube on the support, the both ends of the hollow tube are equipped with cover board, and one of cover board is equipped with cable port and pipe
Road junction；The heating system includes heater, the first temperature sensor being arranged in inside the closed conduit, further includes setting
Temperature control equipment outside the closed conduit, the heater, the first temperature sensor are electrically connected to the temperature
Spend control device；The stress analysis system includes the stress analysis device being arranged in outside the closed conduit and is arranged in institute
The second temperature sensor in hollow tube side wall is stated, further includes several foil gauges that the inside and outside circumference of the hollow tube is set, institute
Second temperature sensor, foil gauge is stated to be electrically connected with the stress analysis device；The vacuum load device passes through vacuum
Pipe-line equipment is connected to the pipeline opening.
2. the Roughing line experimental provision according to claim 1 for levitated transport, it is characterised in that: described
Hollow tube is formed by high-strength grout and metal ribs net coagulation；The both ends of the hollow tube thicken；The both ends of the hollow tube add
Built-in fitting is equipped at thickness；The built-in fitting includes doughnut-shaped steel plate, and the side of the doughnut-shaped steel plate is along the circumferential direction equipped with to hollow
Several dowels extended in pipe, the other side of the doughnut-shaped steel plate is along the circumferential direction equipped with several screw-threaded counterbores；The ring steel
The inward flange of plate is equipped with heavy platform；The cover board is steel deck-plate；The inside of the cover board is equipped with boss corresponding with the heavy platform；Institute
It states and is additionally provided with several tapped through holes corresponding with the screw-threaded counterbore on cover board, the cover board passes through through the tapped through hole
Bolt is screwed together with the doughnut-shaped steel plate.
3. the Roughing line experimental provision according to claim 2 for levitated transport, it is characterised in that: the lid
The first seal groove, the second seal groove of annular are offered on the inside of plate, first seal groove, the second seal groove are located at the boss
Between the tapped through hole, sealing ring is equipped in first seal groove, the second seal groove.
4. the Roughing line experimental provision according to claim 1 for levitated transport, it is characterised in that: described to add
Hot device includes several twin pipes of transparent shortwave that the hollow tube is arranged in.
5. the Roughing line experimental provision according to claim 1 for levitated transport, it is characterised in that: described
One temperature sensor is K-type thermocouple；The second temperature sensor is platinum resistance temperature sensor.
6. being used for the Roughing line experimental provision of levitated transport described in any one according to claim 1, feature exists
In: the cooling device to vacuum load device cooling is additionally provided in the vacuum load device.
7. the Roughing line experimental provision according to claim 1 for levitated transport, it is characterised in that: for institute
The foil gauge of closed conduit inner periphery is stated, the stress analysis device considers temperature-compensating；The closed conduit excircle is answered
Become piece and is equipped with waterproofing protection.
8. the Roughing line experimental provision according to claim 1 for levitated transport, it is characterised in that: in described
Blank pipe is by anti-floating hoisting cable anchorage on the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573121.8A CN110307999B (en) | 2019-06-28 | 2019-06-28 | Low-vacuum pipeline experimental device for magnetic suspension transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573121.8A CN110307999B (en) | 2019-06-28 | 2019-06-28 | Low-vacuum pipeline experimental device for magnetic suspension transportation |
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| Publication Number | Publication Date |
|---|---|
| CN110307999A true CN110307999A (en) | 2019-10-08 |
| CN110307999B CN110307999B (en) | 2021-05-18 |
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ID=68078355
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910573121.8A Active CN110307999B (en) | 2019-06-28 | 2019-06-28 | Low-vacuum pipeline experimental device for magnetic suspension transportation |
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| CN (1) | CN110307999B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967177A (en) * | 2019-12-30 | 2020-04-07 | 盾构及掘进技术国家重点实验室 | Prototype experimental device for single duct piece of low-vacuum tunnel |
| CN110987408A (en) * | 2019-12-30 | 2020-04-10 | 盾构及掘进技术国家重点实验室 | Multi-ring duct piece prototype experimental device for low-vacuum tunnel |
| CN111811737A (en) * | 2020-06-28 | 2020-10-23 | 盾构及掘进技术国家重点实验室 | Method for manufacturing experimental operation pipeline for low-vacuum magnetic suspension transportation |
| CN114279837A (en) * | 2021-12-16 | 2022-04-05 | 中铁隧道局集团有限公司 | Segment detector for vertical vacuum tunnel, tilter and mounting method of detector |
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| WO1999019195A1 (en) * | 1997-10-10 | 1999-04-22 | Oster Daryl G | Evacuated tube transport (ett) |
| KR20120010339A (en) * | 2010-07-26 | 2012-02-03 | 한국철도기술연구원 | Moving Model Rig for Ultra-Speed Tube Train |
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| CN206938749U (en) * | 2017-04-28 | 2018-01-30 | 北京机电工程研究所 | A kind of high reliability vacuum pipe system |
| CN109334682A (en) * | 2018-10-24 | 2019-02-15 | 中铁磁浮交通投资建设有限公司 | A kind of light vacuum conduit traffic system and its construction method |
| CN208818567U (en) * | 2018-08-21 | 2019-05-03 | 中铁第一勘察设计院集团有限公司 | A kind of experimental rig for simulating Shield-bored tunnels section of jurisdiction primary stress |
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2019
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| WO1999019195A1 (en) * | 1997-10-10 | 1999-04-22 | Oster Daryl G | Evacuated tube transport (ett) |
| KR20120010339A (en) * | 2010-07-26 | 2012-02-03 | 한국철도기술연구원 | Moving Model Rig for Ultra-Speed Tube Train |
| CN206248342U (en) * | 2016-12-16 | 2017-06-13 | 青岛科技大学 | A kind of vacuum pipe traffic system thermokinetics research platform with hot press cycle passage of small linear shape |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967177A (en) * | 2019-12-30 | 2020-04-07 | 盾构及掘进技术国家重点实验室 | Prototype experimental device for single duct piece of low-vacuum tunnel |
| CN110987408A (en) * | 2019-12-30 | 2020-04-10 | 盾构及掘进技术国家重点实验室 | Multi-ring duct piece prototype experimental device for low-vacuum tunnel |
| CN110967177B (en) * | 2019-12-30 | 2021-05-18 | 盾构及掘进技术国家重点实验室 | Prototype experimental device for single duct piece of low-vacuum tunnel |
| CN111811737A (en) * | 2020-06-28 | 2020-10-23 | 盾构及掘进技术国家重点实验室 | Method for manufacturing experimental operation pipeline for low-vacuum magnetic suspension transportation |
| CN114279837A (en) * | 2021-12-16 | 2022-04-05 | 中铁隧道局集团有限公司 | Segment detector for vertical vacuum tunnel, tilter and mounting method of detector |
| CN114279837B (en) * | 2021-12-16 | 2023-11-14 | 中铁隧道局集团有限公司 | Segment detector for vertical vacuum tunnel, turnover machine and installation method of detector |
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