CN211446558U - Vacuum magnetic suspension prefabricated assembly type pipeline beam structure - Google Patents
Vacuum magnetic suspension prefabricated assembly type pipeline beam structure Download PDFInfo
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- CN211446558U CN211446558U CN201922117791.7U CN201922117791U CN211446558U CN 211446558 U CN211446558 U CN 211446558U CN 201922117791 U CN201922117791 U CN 201922117791U CN 211446558 U CN211446558 U CN 211446558U
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Abstract
The utility model discloses a prefabricated assembled pipeline beam structure of vacuum magnetic levitation contains upper member and lower floor's component, closed body structure can be spliced into to upper member and lower floor's component, upper member has sealing connection structure with being connected of lower floor's component between the face, lower floor's component is U type structure, the bottom plate of lower floor's component contains plane section and cambered surface section, the plane section is used for setting up the track roof beam. Adopt this structure to fall into pipeline roof beam overall structure about two-layer, the height of structure has effectively been reduced, convenient transportation and installation, be convenient for simultaneously through the height that highly adjusts whole pipeline roof beam of adjustment upper member, satisfy different design demands, be favorable to reducing the design cost and the degree of difficulty, be convenient for change and size change in the future operation, and, the lower floor component of installing earlier can regard as the construction platform of installing upper member in the work progress, effectively reduce the construction degree of difficulty, save the construction cost, reduce the construction risk.
Description
Technical Field
The utility model relates to a high-speed magnetic levitation traffic technical field in vacuum, in particular to prefabricated assembled pipeline beam structure of vacuum magnetic levitation.
Background
The vacuum high-speed magnetic levitation transportation technology is a technology formed by combining a vacuum pipeline and a magnetic levitation technology, and the speed can reach 600-1000 km/h due to the fact that the restrictions of air resistance, noise, wheel-rail adhesion and the like are broken through, and the speed blank space between high-speed rails and air transportation is filled; with the breakthrough of high-power traction driving technology, the speed can reach 1000km/h and above, even supersonic speed or higher speed than sonic speed, and the method becomes a long-distance urban or ultra-long distance intercontinental transportation mode for compensating or replacing aviation in the future.
The vacuum pipeline system in the prior art only aims at a test line and a test vehicle, the vehicle is short (about 2 m), the carrying capacity is small, and the load is light, so that circular steel pipes with the diameters of about 3m are mostly adopted as force bearing and sealing structures for pipelines. However, the prior art solutions have significant drawbacks when the vehicle is an actual operating vehicle. Firstly, the height of a vehicle is high, the pipe diameter of a steel pipe is at least increased to 6-7m, the wall thickness of a steel structure is also obviously increased when the load is heavy, and the total manufacturing cost of the steel structure is obviously increased; secondly, the height limit for domestic highway transportation is about 5m generally, and the height limit for bridges and culverts of urban roads is 3.5m everywhere visible, so that the transportation of large-diameter round pipes has serious problems, and the large-diameter round pipes also need to be hoisted by large-scale equipment, thereby increasing the construction difficulty and the construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's vacuum pipe-line system has steel construction cost too high, the transportation condition is limited and install inconveniently etc. above-mentioned not enough under the big freight volume and the big load condition, provides a vacuum magnetic levitation prefabricated assembly type pipeline beam structure, can satisfy the demand of following extra long distance transportation and actual line operation.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a prefabricated assembled pipeline beam structure of vacuum magnetic levitation, contains upper strata component and lower floor's component, upper strata component and lower floor's component can splice into closed body structure, upper strata component has sealing connection structure with being connected of lower floor's component between the face, lower floor's component is U type structure, the bottom plate of lower floor's component contains plane section and cambered surface section, the plane section is used for setting up the track roof beam.
Wherein, the both ends of vacuum magnetic levitation circuit can adopt extra installation floodgate to carry out inclosed with the circuit to the evacuation in the pipeline.
By adopting the vacuum magnetic levitation prefabricated assembly type pipeline beam structure, the whole structure of the pipeline beam is divided into an upper layer and a lower layer, the single height of the pipeline structure is effectively reduced, the transportation and the installation are convenient, the use of large hoisting equipment is reduced, the structural height is visually reduced by a layered design mode, the heavy feeling of heavy weight is avoided, and the coordination adaptability of the structure and the surrounding environment is improved; when a vacuum pipeline circuit is formed, two ends of the circuit are sealed, the interior of the pipeline is vacuumized to form a vacuum environment meeting requirements, and a sealing connection structure between connection surfaces of an upper layer component and a lower layer component is beneficial to maintaining the vacuum degree and reducing the energy consumption of vacuumizing; the upper layer member can follow an arc structure, the lower layer member is of a U-shaped structure, compared with the existing circular pipe type pipeline, the top surface of the plane section is a plane, the installation of the track beam is facilitated, the height of the track beam is reduced, the cost is saved, the bottom surface of the plane section is a plane, the bridge pier can be conveniently connected, the height of the lower member is reduced, the cambered surface sections on the two sides of the plane section are beneficial to improving the integral bearing performance of the lower layer member, the uniform stress is ensured, the structure is more suitable for scenes with large air pressure difference between the inner ring direction and the outer ring direction, the structure is convenient for adjusting the height of the integral pipeline beam by adjusting the height of the upper layer member, different design requirements are met, the design cost and the difficulty are reduced, the replacement and the size change in the future operation are facilitated, and the lower layer member which is installed firstly in the construction process can be used as a, effectively reduce the construction degree of difficulty, save construction cost, reduce the construction risk.
Preferably, sealing connection structure contains recess and boss, the both sides inner wall of upper strata component is connected with the positioning groove board respectively, every the positioning groove board forms with the inner wall that corresponds the recess, the recess with correspond the boss adaptation is connected, be equipped with on two top surfaces of lower floor's component respectively the boss, be equipped with mounting hole one on the positioning groove board, mounting hole one through bolted connection in corresponding the boss, mounting hole one is the bar mounting hole, the length of recess and the length adaptation of upper strata component, the length of boss and the length adaptation of lower floor's component.
Further preferably, the boss is provided on the inner side of the centerline of the corresponding top surface.
Further preferably, a filler is filled between the groove and the corresponding boss.
Adopt above-mentioned mode of setting up, promptly set up the boss of logical length on the top surface of lower floor's component, the notch of recess is down, the recess card is in corresponding on the boss, adapt to through the bar mounting hole upper strata component and the different degree of deformation of lower floor's component there is the clearance of U type between recess and the boss that corresponds, is favorable to hindering the circulation of air, further has the filler in the clearance packing for sealed, effectively guarantee sealed effect, simple structure is reliable, and the installation effectiveness is high, the location of being convenient for, and stability is good.
The positioning groove plate is of an inverted L shape, and the mounting hole is located on the top surface of the positioning groove plate.
Preferably, the upper layer member is a steel plate member or a glass member or a plastic member.
Because upper member mainly used seals, lower floor's component mainly used bears the atress, adopts above-mentioned mode of setting up, make full use of the characteristics of different materials and different components, obviously reduced pipeline beam structure's weight, showing the total cost that has reduced pipeline beam structure and substructure, having great significance to future practical application and popularization to adopt like plastics, glass's transparent component, be convenient for enlarge passenger field of vision scope, slow down the oppression and the fear that the enclosure space brought, promote the ride experience of operation line and feel.
Further preferably, stiffening ribs are arranged on the outer wall of the upper layer member at intervals.
Further preferably, the upper layer member comprises a plurality of segments, and adjacent segments of the upper layer member are connected by welding or bonding.
The beam structure usually needs to be provided with a plurality of sections for installation and transportation, and when the upper-layer member is a steel member, two adjacent sections are welded and connected; when the upper layer member is a plastic member or a glass member, adjacent two segments are adhesively connected.
Further preferably, the lower layer member comprises a plurality of segments, and the lower layer member is a concrete member.
The lower layer component can be prefabricated in a factory and can also be poured on a construction site.
Further preferably, the adjacent sections of the lower-layer component are connected through U-shaped steel plates, the two ends of each U-shaped steel plate are connected to two adjacent mounting grooves of the corresponding end faces of the sections respectively, a gap is reserved between the end faces of the two adjacent sections, two mounting holes are formed in the two ends of each U-shaped steel plate respectively and connected to the corresponding mounting grooves through bolts, the two mounting holes in one end of each U-shaped steel plate are strip-shaped mounting holes, and fillers are arranged between the U-shaped steel plates and the inner walls of the mounting grooves.
The lower floor component also comprises a plurality of segments, the adjacent segments of the lower floor component are connected through U-shaped steel plates, the U-shaped steel plates are steel plates continuously arranged along the shape of the inner wall of the lower floor component, the U-shaped steel plates are installed, the gap is ensured to be reserved between the end faces of the two adjacent segments in the initial state after the U-shaped steel plates are installed, deformation joints are arranged, and the strip-shaped installation holes at one end of each U-shaped steel plate are adapted to the deformation of the adjacent segments.
Further preferably, the connecting seams between the upper layer member segments and the connecting seams between the lower layer member segments are arranged in a staggered manner.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. adopt prefabricated assembled pipeline beam structure of vacuum magnetic levitation, it is two-layer about having divided into pipeline beam overall structure, the monomer height of pipeline structure has effectively been reduced, convenient transportation and installation, reduce large-scale hoisting equipment's use, the design of layering reduces the structure height in the vision, avoid the heavy sense of head heavy foot light, the harmonious adaptability of structure and all ring edge borders has been promoted, be convenient for adjust the height of whole pipeline beam through the height of adjusting upper member simultaneously, satisfy different design demands, be favorable to reducing the design cost and the degree of difficulty, be convenient for change and size change in the future operation, and, the lower floor's component of installing earlier can regard as the construction platform of installing upper member in the work progress, effectively reduce the construction degree of difficulty, save the construction cost, reduce the construction risk.
Description of the drawings:
fig. 1 is a schematic structural view of a vacuum magnetic levitation prefabricated assembly type pipeline beam structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 1;
FIG. 6 is a cross-sectional view of C-C of FIG. 5;
FIG. 7 is a schematic structural view of a mounting groove in an end face of a lower member in accordance with embodiment 1;
fig. 8 is a schematic view of an installation structure of the U-shaped steel plate of example 1.
The labels in the figure are: 1-upper-layer component, 2-lower-layer component, 21-track beam, 3-boss, 4-positioning groove plate, 5-filler, 6-stiffening rib and 7-U-shaped steel plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-6, the vacuum magnetic levitation prefabricated assembly type pipe beam structure of the present invention comprises an upper layer member 1 and a lower layer member 2, wherein the upper layer member 1 is an arc member, stiffening ribs 6 are provided on the outer wall of the upper layer member 1 at intervals, for example, one stiffening rib 6 is provided at an interval of 3-5m, the upper layer member 1 can adopt an arc structure, preferably, straight sections are respectively provided at two ends of the upper layer member 1 connected to the lower layer member 2, which are convenient for providing a groove for connecting a boss 3, the lower layer member 2 is U-shaped, the bottom plate of the lower layer member comprises a plane section and an arc section, the thickness of the bottom plate of the lower layer member 2 is thicker than the thickness of webs at two sides, the upper layer member 1 and the lower layer member 2 can be spliced into a closed pipe body structure, preferably, the upper layer member 1 is a steel plate member or a glass member or a plastic member, the lower-layer member 2 is a concrete member, the plane section of the lower-layer member 2 is used for arranging the track beam 21, and the lower-layer member 2 can be prefabricated in a factory and can also be poured in a construction site. Because 1 mainly used of upper strata component seals, 2 mainly used of lower floor's component bears the atress, adopts above-mentioned mode of setting up, make full use of the characteristics of different materials and different components, obviously reduced the weight of pipeline beam structure, showing the total cost that has reduced pipeline beam structure, having great significance to future practical application and popularization to adopt like plastics, glass's transparent member, be convenient for enlarge passenger visual field scope, slow down the oppression and the fear that the enclosure space brought, promote the ride experience of operation line and feel.
The sealing connection structure is arranged between the connection surfaces of the upper-layer component 1 and the lower-layer component 2, and specifically, as shown in fig. 3-6, the sealing connection structure comprises a groove and a boss 3, the inner walls of the two sides of the upper-layer component 1 are respectively connected with positioning groove plates 4, each positioning groove plate 4 is of an inverted L shape, each positioning groove plate 4 and the corresponding inner wall form the groove, the grooves are in adaptive connection with the corresponding bosses 3, the bosses 3 are respectively arranged on the top surfaces of the two webs of the lower-layer component 2, the boss 3 and the lower-layer component 2 are integrally formed, the boss 3 is arranged on the inner side of the central line of the corresponding top surface, a first mounting hole is arranged on the top surface of each positioning groove plate 4, the first mounting hole is connected with the corresponding boss 3 through a bolt, the first mounting hole is a strip-shaped mounting hole, and the length of the groove is adaptive to the length, the length of boss 3 and the length adaptation of lower floor's component 2 promptly 1 inner wall of upper strata component is equipped with logical length the recess set up logical length on the top surface of lower floor's component 2 the boss, the recess card is corresponding on the boss, through the bar mounting hole so that adapt to the different deformation degree of the different materials of upper strata component 1 and lower floor's component 2, the recess card is in back on the boss 3 there is the clearance of U type between recess and the boss 3 that corresponds, compare in planar seam, be favorable to hindering the circulation of air, further pack in the clearance and have filler 5, like rubber, asbestos, polytetrafluoroethylene for sealed, effectively guarantee sealed effect, simple structure is reliable, and the installation effectiveness is high, is convenient for the location, and stability is good.
The beam structure usually needs to be provided with a plurality of sections for installation and transportation, the upper layer member 1 comprises a plurality of sections, the lower layer member 2 also comprises a plurality of sections, and the connecting seams between the sections of the upper layer member 1 and the connecting seams between the sections of the lower layer member 2 are arranged in a staggered manner. When the upper-layer member 1 is a steel member, two adjacent sections are welded and connected; when the upper layer member 1 is a plastic member or a glass member, adjacent two segments are adhesively connected. The adjacent sections of the lower-layer member 2 are connected through a U-shaped steel plate 7, two ends of the U-shaped steel plate 7 are respectively connected to the mounting grooves of the corresponding end surfaces of the adjacent two sections, the mounting groove can be a groove body with two side walls formed on the end surface, two ends of the U-shaped steel plate 7 are respectively embedded in the mounting grooves of the corresponding end surfaces of the adjacent two sections, the groove body can also be an L-shaped notch formed on the inner wall of the lower-layer member 2, as shown in FIGS. 3-4 and 7, the installation is more convenient, the U-shaped steel plate 7 is a steel plate continuously arranged along the inner wall of the lower-layer member 2 and is used for sealing a gap between the sections of the lower-layer member 2, two ends of the U-shaped steel plate 7 are respectively provided with a second mounting hole which is connected to the corresponding mounting groove through a bolt, and the second mounting hole at one end of the, as shown in fig. 8, the strip-shaped mounting holes are adapted to the deformation of the adjacent segments, a gap is ensured between the end surfaces of the two adjacent segments in the initial state, and a gap is also formed between the bottom of the mounting groove corresponding to one side of the strip-shaped mounting hole and the corresponding end of the U-shaped steel plate 7, namely, a deformation joint is formed; in order to improve the sealing effect, a filler 5 is arranged between the U-shaped steel plate 7 and the inner wall of the mounting groove, such as rubber, asbestos and polytetrafluoroethylene, so that the pipeline sealing and the deformation can be ensured, the width of the filler 5 can be the width of the adaptive U-shaped steel plate 7, namely, two adjacent mounting grooves are internally provided with a whole block of the filler 5, or only one filler 5 is correspondingly arranged in each mounting groove.
Adopt prefabricated assembled pipeline beam structure of vacuum magnetic levitation, it is two-layer about having divided into pipeline beam overall structure, the monomer height of pipeline structure has effectively been reduced, convenient transportation and installation, reduce large-scale hoisting equipment's use, the design of layering reduces the structure height in the vision, avoid the heavy sense of head heavy foot light, the harmonious adaptability of structure and all ring edge borders has been promoted, be convenient for adjust the height of whole pipeline beam through the height of adjusting upper member simultaneously, satisfy different design demands, be favorable to reducing the design cost and the degree of difficulty, be convenient for change and size change in the future operation, and, the lower floor's component of installing earlier can regard as the construction platform of installing upper member in the work progress, effectively reduce the construction degree of difficulty, save the construction cost, reduce the construction risk.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Vacuum magnetic levitation prefabricated assembly type pipeline beam structure is characterized by comprising an upper layer component (1) and a lower layer component (2), wherein the upper layer component (1) and the lower layer component (2) can be spliced into a closed pipe body structure, a sealing connection structure is arranged between the connection surfaces of the upper layer component (1) and the lower layer component (2), the lower layer component (2) is of a U-shaped structure, a bottom plate of the lower layer component (2) comprises a plane section and an arc surface section, and the plane section is used for arranging a track beam (21).
2. The pipeline beam structure according to claim 1, wherein the sealing connection structure comprises a groove and a boss (3), the inner walls of two sides of the upper layer member (1) are respectively connected with a positioning groove plate (4), each positioning groove plate (4) and the corresponding inner wall form the groove, the groove and the corresponding boss (3) are in adaptive connection, the bosses (3) are respectively arranged on two top surfaces of the lower layer member (2), a first mounting hole is arranged on each positioning groove plate (4), the first mounting hole is connected to the corresponding boss (3) through a bolt, the first mounting hole is a strip-shaped mounting hole, the length of the groove is adaptive to the length of the upper layer member (1), and the length of the boss (3) is adaptive to the length of the lower layer member (2).
3. The piping beam structure according to claim 2, characterized in that said bosses (3) are provided on the inner side of the corresponding top surface midline.
4. The piping beam structure according to claim 2, characterized in that the space between the grooves and the corresponding bosses (3) is filled with a filler (5).
5. The tubular beam structure according to any one of claims 1 to 4, wherein the upper layer member (1) is a steel plate member or a glass member or a plastic member.
6. The tubular beam structure of claim 5, characterized in that the outer wall of the upper layer member (1) is provided with stiffening ribs (6) at intervals.
7. The conduit beam structure according to claim 5, characterized in that the upper layer member (1) comprises several segments, adjacent segments of the upper layer member (1) being connected by welding or by gluing.
8. The conduit beam structure according to claim 7, characterized in that the lower layer element (2) comprises several segments, the lower layer element (2) being a concrete element.
9. The tubular beam structure according to claim 8, characterized in that adjacent sections of the lower layer member (2) are connected through a U-shaped steel plate (7), two ends of the U-shaped steel plate (7) are respectively connected in the mounting grooves of corresponding end surfaces of two adjacent sections, a gap is formed between the end surfaces of two adjacent sections, two ends of the U-shaped steel plate (7) are respectively provided with a second mounting hole, the second mounting holes are connected in the corresponding mounting grooves through bolts, the second mounting hole at one end of the U-shaped steel plate (7) is a strip-shaped mounting hole, and a filler (5) is arranged between the U-shaped steel plate (7) and the inner wall of the mounting groove.
10. The piping beam structure according to claim 9, characterized in that the joints between the segments of the upper layer element (1) are arranged offset to the joints between the segments of the lower layer element (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747728A (en) * | 2019-11-29 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Vacuum magnetic suspension prefabricated assembly type pipeline beam structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747728A (en) * | 2019-11-29 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Vacuum magnetic suspension prefabricated assembly type pipeline beam structure |
| CN110747728B (en) * | 2019-11-29 | 2024-06-25 | 中铁二院工程集团有限责任公司 | Vacuum magnetic levitation prefabricated assembly type pipeline beam structure |
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