CN212714314U - U-shaped cross-section magnetic floating track beam structure - Google Patents
U-shaped cross-section magnetic floating track beam structure Download PDFInfo
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- CN212714314U CN212714314U CN202021405208.9U CN202021405208U CN212714314U CN 212714314 U CN212714314 U CN 212714314U CN 202021405208 U CN202021405208 U CN 202021405208U CN 212714314 U CN212714314 U CN 212714314U
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Abstract
The utility model relates to a magnetism floats technical field, especially a U type cross section magnetism floats track beam structure, which comprises a body, the body includes the bottom plate, is located the web of bottom plate top both sides and the flange plate at web top, two the flange plate top surface passes through the steel sheet and connects, the transverse width adaptation of steel sheet is in two transverse interval between the lateral surface of flange plate, the steel sheet both sides have a plurality of grooves, all with one side on the steel sheet groove evenly distributed. The reinforced concrete slabs arranged on the upper end surfaces of the two flange plates are replaced by steel plates, and the self weight of the steel plates is lighter than that of the reinforced concrete slabs, so that the reinforced concrete slabs are convenient to transport and hoist; and the grooves on the two sides of the steel plate are used for installing the cushion blocks, so that the installation positions of the cushion blocks are convenient to position, and the cushion blocks can be directly installed on the U-shaped track beam, and the safety of track installation is improved.
Description
Technical Field
The utility model relates to a magnetism floats traffic technical field, especially a U type cross section magnetism floats track girder construction.
Background
In the prior art, korean magnetic suspension track beams mostly adopt U-shaped beams, reinforced concrete slabs are arranged above the U-shaped beams, the reinforced concrete slabs are covered above two sides of the openings of the U-shaped beams, then secondary pouring is carried out to connect the reinforced concrete slabs with the upper ends of the U-shaped beams, then cushion blocks are respectively arranged on two sides above the concrete slabs for installing tracks, and an auxiliary structure is arranged in the middle above the concrete, namely on the corresponding concrete slab above the openings of the U-shaped beams, and the auxiliary structure is as follows: when the column or other power devices and the like adopt the reinforced concrete slab to support the auxiliary structure, the self weight of the reinforced concrete slab is heavier, the reinforced concrete slab is inconvenient to transport and install on the U-shaped beam, so that the construction difficulty is large, and the construction efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: when having to adopt reinforced concrete slab to support the additional structure to prior art, reinforced concrete slab dead weight is heavier, be not convenient for transport with install on the U type roof beam, cause the construction degree of difficulty big, the lower problem of efficiency of construction provides a U type cross section magnetic levitation track girder construction.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a U type cross-section magnetic levitation track girder construction, includes the body, the body includes the bottom plate, is located the web of bottom plate top both sides and the flange plate at web top, two the flange plate top surface passes through the steel sheet to be connected, the transverse width adaptation of steel sheet in two transverse interval between the lateral surface of flange plate, the steel sheet both sides have a plurality of grooves, all with one side on the steel sheet the groove evenly distributed.
The top of the flange plates is used for arranging a track which is longitudinally arranged along the track, and the transverse distance between the outer sides of the two flange plates is a fixed value, such as: according to domestic standards, the transverse distance between the outer sides of the two flange plates is 1.3 m. The steel plates connected above the two flange plates are used for supporting an auxiliary structure required by a track, and the transverse width of each steel plate is adapted to the transverse distance between the outer sides of the two flange plates, namely the steel plates cover the top surfaces of the two flange plates, so that the supporting strength of the two flange plates on the steel plates is ensured; because the auxiliary structure arranged on the reinforced concrete plate is lighter in the prior art, the steel plate can stably support the auxiliary structure; however, because the steel plate covers the top surfaces of the two flange plates, and the cushion blocks cannot be directly installed on the steel plate, the grooves are arranged on the two sides of the steel plate and correspond to the notches on the two sides of the steel plate, the flange plates corresponding to the lower parts of the notches of the steel plate can be exposed for installing the cushion blocks, so that the installation conditions of the steel rail are met, compared with the prior art that the cushion blocks are connected to the U-shaped beam structure through the reinforced concrete plate, the grooves can also position the installation positions of the cushion blocks, the cushion blocks are more convenient to install, and the cushion blocks can be directly arranged on the top surfaces of the flange plates, namely the cushion blocks can be directly installed on the U-shaped track beam, so that the safety of track installation is improved; besides, the steel plates connect the flange plates at two sides from the upper part of the flange plates, so that inward tensile force can be generated, and the transverse stability of the U-shaped section magnetic levitation track beam structure is ensured. The reinforced concrete slabs arranged on the upper end surfaces of the two flange plates are replaced by steel plates, and the self weight of the steel plates is lighter than that of the reinforced concrete slabs, so that the reinforced concrete slabs are convenient to transport and hoist; and the grooves on the two sides of the steel plate are used for installing the cushion blocks, so that the installation positions of the cushion blocks are convenient to position, and the cushion blocks can be directly installed on the U-shaped track beam, and the safety of track installation is improved.
Preferably, the steel plates are respectively connected with the two flange plates through bolts.
Will through bolted connection's mode the steel sheet is connected two on the flange board, its simple to operate is swift, the construction of being convenient for.
Preferably, a plurality of reinforcing members are connected between the two flange plates, and the upper part of each reinforcing member abuts against the steel plate.
The reinforcing piece is arranged between the two flange plates, so that the reinforcing piece can generate a tensile force in the middle direction to the flange plates on the two sides, and the transverse stability of the U-shaped section magnetic floating track beam structure is better; and the upper part of the reinforcing piece is abutted against the steel plate to reinforce the steel plate and enhance the supporting capacity of the steel plate.
Preferably, the reinforcing member is an i-steel, and two ends of the i-steel are bolted to the two flange plates.
The I-shaped steel serves as a reinforcing piece, is convenient to adopt a bolt connection mode to be connected with the U-shaped track beam, is convenient to construct, is low in price, is convenient to process and saves cost.
Preferably, the I-steel is No. 10I-steel.
Preferably, all the reinforcing members are uniformly distributed along the longitudinal direction of the body, so that the overall reinforcing effect of all the reinforcing members on the steel plate is better.
Preferably, the body comprises a middle section arranged in the longitudinal middle of the body, variable cross-section sections and end parts are symmetrically arranged at two ends of the middle section, the transverse width of the bottom plate corresponding to the end part is greater than that of the bottom plate corresponding to the middle section, and the thickness of the bottom plate corresponding to the end part is greater than that of the bottom plate corresponding to the middle section.
The body is of a symmetrical structure with two symmetrical longitudinal ends, the middle of the body is a middle section, two sides of the body are respectively provided with a variable cross-section and an end part in sequence, the thickness of the bottom plate corresponding to the end part is larger than that of the bottom plate corresponding to the middle section, and the height of the web plate corresponding to the end part is smaller than that of the web plate corresponding to the middle section because the height of the body is unchanged. Because of the track roof beam both ends tip atress is great, needs the atress ability better, and in the middle of it the interlude atress is compared in both ends the tip atress is less under the prerequisite that the tip satisfies the atress condition, through with the horizontal width and the thickness of the bottom plate of interlude design respectively than the horizontal width and the thickness of the bottom plate of affiliated tip are little, can material saving, practice thrift the cost. The variable cross-section is of a variable cross-section structure, namely the transverse width and the thickness of the bottom plate of the cross section of the variable cross-section are gradually reduced from the end part to the middle section, and the vertical height of the web plate of the cross section is gradually increased from the end part to the middle section and is used for connecting the end part and the middle section and is used as a transition section for gradually reducing the transverse width and the thickness of the bottom plate of the body from the end part to the middle section.
Preferably, the transverse width of the bottom plate corresponding to the end part is 2.2-2.45m, and the transverse width of the bottom plate corresponding to the middle part is 1.3-1.4 m.
By adopting the size, the bearing capacity of the end parts at two sides and the middle section of the U-shaped cross-section magnetic levitation track beam structure can be met, and the risk of magnetic levitation transportation is reduced.
Preferably, the body further comprises an end cover, the end cover is arranged on the outer side of the end portion, and the cross section of the end cover is in an inverted T shape.
Through the outside of tip sets up the cross section and is the type of falling T the end cover, is not equipped with U type recess on its cross section, intensity is higher, can strengthen the bearing capacity at U type cross section magnetic levitation track roof beam structure both ends makes U type cross section magnetic levitation track roof beam structure's stability is better.
Preferably, an axial through hole is formed in the end cover and used for checking and maintaining the inside of the U-shaped cross section magnetic floating rail beam structure.
Preferably, the upper surface of the steel plate gradually decreases from the transverse middle part to the transverse two sides, so that the upper surface of the steel plate presents a slope surface which inclines downwards from the transverse middle part to the two sides, and an arc surface structure or a transverse bilateral symmetrical slope structure is formed, thereby facilitating drainage.
Preferably, the bottom plate and the web plate are provided with drain holes at intervals along the longitudinal direction.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the U-shaped section magnetic floating track beam structure of the utility model is characterized in that the reinforced concrete slabs arranged on the upper end surfaces of the two flange plates are replaced by steel plates, the dead weight of the steel plates is lighter than that of the reinforced concrete slabs, and the steel plates are convenient to transport and hoist; and the grooves on the two sides of the steel plate are used for installing the cushion blocks, so that the installation positions of the cushion blocks are convenient to position, and the cushion blocks can be directly installed on the U-shaped track beam, and the safety of track installation is improved. And two be connected with a plurality of reinforcements between the flange board, the upper portion of reinforcement all the butt in the steel sheet for it is right to increase the support capacity of steel sheet, security when improving the installation additional structure on the steel sheet.
Drawings
FIG. 1 is an elevation view of a U-shaped cross-section magnetic levitation track beam structure described in embodiment 1;
FIG. 2 is a schematic view of the arrangement of the reinforcing members in embodiment 1;
FIG. 3 is a plan view of a U-shaped cross-section magnetic floating track beam structure according to embodiment 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is an enlarged schematic view of FIG. 4;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 1;
fig. 7 is a cross-sectional view taken at C-C in fig. 1.
Icon: 11-a base plate; 12-a web; 13-a flange plate; 14-an intermediate section; 15-variable section; 16-end portion; 17-end cap; 171-a through hole; 2-a steel plate; 21-groove; 3-a reinforcement; 4-a water drainage hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
The embodiment provides a U type cross-section magnetic levitation track beam structure, refer to fig. 1-7, including the body, the body includes bottom plate 11, is located the web 12 of bottom plate 11 top both sides and the flange board 13 at web 12 top, two the flange board 13 top surface passes through steel sheet 2 and connects, the transverse width adaptation of steel sheet 2 is in two transverse interval between the lateral surface of flange board 13, steel sheet 2 both sides have a plurality of grooves 21, all with one side on the steel sheet 2 the groove 21 evenly distributed.
Wherein, the flange plates 13 are used for arranging a rail, which is arranged longitudinally along the rail, and the lateral distance between the outer sides of the two flange plates 13 is a fixed value, such as: the lateral distance between the two outer sides of the flange plates 13 is 1.3m according to domestic standards. The bottom plate 11 and the web plate 12 are both provided with water drainage holes 4 at intervals along the longitudinal direction, as shown in fig. 1 and 2, and are used for draining water and avoiding water accumulation in the body.
The steel plates 2 connected above the two flange plates 13 are used for supporting an auxiliary structure required by a track, the transverse width of each steel plate 2 is adapted to the transverse distance between the outer sides of the two flange plates 13, namely the steel plates 2 cover the top surfaces of the two flange plates 13, and the supporting strength of the two flange plates 13 on the steel plates 2 is ensured; because the auxiliary structure arranged on the reinforced concrete plate in the prior art is lighter, the steel plate 2 can stably support the auxiliary structure; however, the steel plate 2 covers the top surfaces of the two flange plates 13, and the cushion blocks cannot be directly installed on the steel plate 2, the grooves 21 are arranged on the two sides of the steel plate 2, the grooves 21 are equivalent to the notches on the two sides of the steel plate 2, so that the flange plates 13 corresponding to the lower parts of the notches of the steel plate 2 can be exposed for installing the cushion blocks, and the installation conditions of the steel rail are met; besides, the steel plate 2 connects the flange plates 13 at two sides from the upper part of the flange plate 13, so that a tensile force in the middle can be generated, and the transverse stability of the U-shaped section magnetic floating track beam structure is ensured. By replacing the reinforced concrete slabs arranged on the upper end surfaces of the two flange plates 13 with the steel plates 2, the self weight of the steel plates 2 is lighter than that of the reinforced concrete slabs, so that the reinforced concrete slabs are convenient to transport and hoist; and the grooves 21 on the two sides of the steel plate 2 are used for installing cushion blocks, so that the installation positions of the cushion blocks are convenient to position, and the cushion blocks can be directly installed on the U-shaped track beam, thereby improving the safety of track installation.
In this embodiment, as shown in fig. 3 to 6, the steel plates 2 are respectively connected to the upper surfaces of the flange plates 13 at both sides by bolts, and the steel plates 2 are connected to the two flange plates 13 by bolts, so that the installation is convenient and fast, and the construction is convenient. And the upper surface of the steel plate 2 is gradually reduced from the transverse middle part to the transverse two sides, as shown in fig. 5, the upper surface of the steel plate 2 can be made to present a slope surface which is inclined downwards from the transverse middle part to the two sides, so that water drainage is facilitated. As shown in fig. 2 or 4, a plurality of reinforcing members 3 are connected between the two flange plates 13, the upper part of each reinforcing member 3 abuts against the steel plate 2, and by arranging the reinforcing members 3 between the two flange plates 13, the reinforcing members 3 can generate a tensile force in the middle direction on the flange plates 13 on both sides, so that the lateral stability of the U-shaped cross-section magnetic levitation track beam structure is better; and the upper part of the reinforcing piece 3 is abutted against the steel plate 2 to reinforce the steel plate 2 and enhance the supporting capability of the steel plate 2. In this embodiment, all the reinforcing members 3 are uniformly distributed along the longitudinal direction of the body, so that the overall reinforcing effect of all the reinforcing members 3 on the steel plate 2 is better. The reinforcing part 3 is a number 10I-steel, two ends of the I-steel are connected to the two flange plates 13 through bolts, the number 10I-steel is used as the reinforcing part 3, the reinforcing function of the steel plate 2 can be met, and the I-steel is low in price, convenient to process and cost-saving; except that, adopt I-steel as reinforcement 3, be convenient for adopt bolted connection's mode connect in U type track roof beam, be convenient for construct.
As shown in fig. 2-3, the body is a symmetrical structure with two symmetrical longitudinal ends, and includes a middle section 14 disposed at the longitudinal middle part of the body, and two ends of the middle section 14 are symmetrically provided with a variable cross-section 15 and an end part 16. And the transverse width of the bottom plate 11 corresponding to the end part 16 is larger than that of the bottom plate 11 corresponding to the middle section 14, the thickness of the bottom plate 11 corresponding to the end part 16 is larger than that of the bottom plate 11 corresponding to the middle section 14, and the cross section of the middle section 14 shown in fig. 4 is compared with that of the end part 16 shown in fig. 6, that is, the bearing capacity of the end part 16 is larger than that of the middle section 14.
As can be seen from fig. 1 and 2, the variable cross-section 15 is a variable cross-section structure, in which the transverse width and thickness of the bottom plate 11 of the cross-section gradually decrease from the end portion 16 to the middle section 14, and the vertical height of the web 12 of the cross-section gradually increases from the end portion 16 to the middle section 14, so as to connect the end portion 16 and the middle section 14, and serve as a transition section for gradually decreasing the transverse width and thickness of the bottom plate 11 of the body from the end portion 16 to the middle section 14.
Specifically, the transverse width of the bottom plate 11 corresponding to the end portion 16 is 2.2-2.45m, the transverse width of the bottom plate 11 corresponding to the middle section 14 is 1.3-1.4m, the bottom plate 11 corresponding to the variable cross-section 15 is a transversely contracted structure which is reduced from two ends of the body to the middle portion, and the transverse width of the variable cross-section 15 is gradually reduced from two ends to the middle, as shown in fig. 2. And the thickness of the variable cross-section 15 is also gradually reduced from both ends to the middle as shown in fig. 1. The variable cross-section 15 is used as an excessive connection section of the end part 16 and the middle section 14, so that the bearing capacity of the body is gradually reduced from the end part 16 to the middle section 14, and the stability of the U-shaped cross-section magnetic levitation track beam structure is better.
As shown in fig. 2, an end cap 17 is further provided on the outer side of the end portion 16, and the cross-sectional shape of the end cap 17 is an inverted T shape, as shown in fig. 7. The end cover 17 is equivalent to that the U-shaped groove 21 in the cross section of the end part 16 is filled with reinforced concrete, the filled part and the cross section of the original end part 16 form an integral structure, namely the structure of the end cover 17, the end cover 17 with the inverted T-shaped cross section is arranged on the outer side of the end part 16, the U-shaped groove 21 is not arranged on the cross section, the strength is higher, the bearing capacity of two ends of the U-shaped section magnetic floating rail beam structure can be enhanced, and the stability of the U-shaped section magnetic floating rail beam structure is better. And the middle part of the cross section of the end cover 17 is provided with a through hole 171 for inspecting and maintaining the inside of the U-shaped cross section magnetic levitation track beam structure, as shown in fig. 7.
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. The utility model provides a U type cross-section magnetic levitation track beam structure, includes the body, the body includes bottom plate (11), is located web (12) of bottom plate (11) top both sides and flange board (13) at web (12) top, its characterized in that, two flange board (13) top surface passes through steel sheet (2) and connects, the transverse width adaptation of steel sheet (2) is in two transverse interval between the lateral surface of flange board (13), steel sheet (2) both sides have a plurality of grooves (21), all with one side on steel sheet (2) groove (21) evenly distributed.
2. A U-shaped cross-section magnetic floating rail beam structure according to claim 1, wherein the steel plates (2) are respectively connected to the two flange plates (13) by bolts.
3. A U-shaped cross-section magnetic floating rail beam structure according to claim 1, characterized in that a plurality of stiffeners (3) are connected between two flange plates (13), and the upper part of each stiffener (3) abuts against the steel plate (2).
4. A U-shaped cross-section magnetic floating rail beam structure according to claim 3, wherein the reinforcing member (3) is an i-steel, and both ends of the i-steel are bolted to the two flange plates (13).
5. A U-shaped cross-section magnetic floating rail beam structure according to claim 3, wherein all the reinforcing members (3) are uniformly distributed in the longitudinal direction of the body.
6. A U-shaped cross section magnetic floating rail beam structure according to any one of claims 1 to 5, characterized in that the body comprises a middle section (14) arranged in the longitudinal middle of the body, variable cross section sections (15) and end sections (16) are symmetrically arranged at two ends of the middle section (14), the transverse width of the bottom plate (11) corresponding to the end sections (16) is larger than that of the bottom plate (11) corresponding to the middle section (14), and the thickness of the bottom plate (11) corresponding to the end sections (16) is larger than that of the bottom plate (11) corresponding to the middle section (14).
7. A U-shaped cross-section magnetic floating rail beam structure according to claim 6, characterized in that the transverse width of the bottom plate (11) corresponding to the end portion (16) is 2.2-2.45m, and the transverse width of the bottom plate (11) corresponding to the middle portion (14) is 1.3-1.4 m.
8. A U-shaped cross-section magnetic floating rail beam structure according to claim 6, wherein the body further comprises an end cover (17), the end cover (17) is arranged on the outer side of the end part (16), and the cross-sectional shape of the end cover (17) is an inverted T shape.
9. A U-shaped cross-section magnetic floating rail beam structure according to claim 8, characterized in that the end cover (17) is internally provided with a through hole (171) along the axial direction.
10. A magnetic levitation track beam structure of U-shaped cross section as claimed in any one of claims 1 to 5, wherein the upper surface of the steel plate (2) is gradually lowered from the lateral middle part to the lateral sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405208.9U CN212714314U (en) | 2020-07-16 | 2020-07-16 | U-shaped cross-section magnetic floating track beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405208.9U CN212714314U (en) | 2020-07-16 | 2020-07-16 | U-shaped cross-section magnetic floating track beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212714314U true CN212714314U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021405208.9U Active CN212714314U (en) | 2020-07-16 | 2020-07-16 | U-shaped cross-section magnetic floating track beam structure |
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|---|---|
| CN (1) | CN212714314U (en) |
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2020
- 2020-07-16 CN CN202021405208.9U patent/CN212714314U/en active Active
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