CN215104322U - Overhead rail girder steel superstructure node - Google Patents
Overhead rail girder steel superstructure node Download PDFInfo
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- CN215104322U CN215104322U CN202120345153.5U CN202120345153U CN215104322U CN 215104322 U CN215104322 U CN 215104322U CN 202120345153 U CN202120345153 U CN 202120345153U CN 215104322 U CN215104322 U CN 215104322U
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- connecting lug
- lug plate
- positioning
- pin shaft
- air rail
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Abstract
The utility model discloses an air rail girder steel superstructure node, the node mainly includes and connects otic placode, location bearing slider, round pin axle and shrouding, connect the otic placode with location bearing slider is embedded to be connected, and the embedded position is the T type opening hole T type intersection point department of connecting the otic placode, two perpendicular faces of location bearing slider and the T type opening hole of connecting the otic placode is inlayed between the position corresponding face gapped, there is the square hole in the middle of the location bearing slider, and the square hole is connected with the round pin axle, the shrouding is connected with the connection otic placode; the connecting lug plate is welded with the steel column, the pin shaft is connected with the positioning bearing slide block, and the pin shaft is welded with the steel beam. The utility model discloses can prevent to be destroyed to the structure because of environmental climate temperature change (expend with heat and contract with cold), realize good connection, the difunctional effect of sliding. The method has important practical application prospect and significance in the future development and construction process of urban air rail transit.
Description
Technical Field
The utility model belongs to the technical field of aerial track steel case track roof beam, bridge, steel construction processing, especially, relate to an air rail girder steel superstructure node.
Background
With the high-speed development of economy in China, traffic of railways, highways, high-rise buildings and the like also changes greatly, and the development of railway bridges or special function steel structure engineering technology is promoted. The air rail train is a new urban rail vehicle developed by the modern urban traffic in recent years, is different from the vehicles such as subways, light rails, magnetic levitation and the like, is the most environment-friendly vehicle at present, is moved to the air from ground traffic, can relieve the increasingly growing traffic jam problem of cities on the basis of not expanding the existing urban road facilities, and has a plurality of outstanding characteristics and advantages in the aspects of construction and operation. The construction progress speed depends on the design of the steel beam, the construction organization and the manufacturing degree of the assembly type rod pieces, and whether the connection mode of the rod pieces meets the field simple installation or not.
The conventional connection method of the overhead track upper structure comprises a riding type mode, a pin hole type mode, two-side flanges and the like. The mode is not fast enough in installation, and bearing capacity needs to be strengthened, especially when dealing with environmental climate temperature change, the structure easily suffers destruction.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides an air rail girder steel superstructure node.
The utility model discloses a concrete technical scheme as follows:
an overhead rail steel beam upper structure node comprises a connecting lug plate, a positioning bearing slider, a pin shaft and a sealing plate, wherein the connecting lug plate is embedded and connected with the positioning bearing slider, the embedded position is the T-shaped intersection of a T-shaped opening hole of the connecting lug plate, a gap is reserved between two vertical surfaces of the positioning bearing slider and the corresponding surface of the T-shaped opening hole embedded position of the connecting lug plate, a square hole is arranged in the middle of the positioning bearing slider and connected with the pin shaft, and the sealing plate is connected with the connecting lug plate; the connecting lug plate is welded with the steel column, the pin shaft is connected with the positioning bearing slide block, and the pin shaft is welded with the steel beam.
As a preferred technical scheme, both ends of the pin shaft are square sections,
as a preferable technical scheme, the positioning bearing slide block is square.
Preferably, the gap between the two vertical surfaces of the positioning and bearing slide block and the corresponding surface of the T-shaped opening hole of the connecting lug plate is determined by the length change of the steel beam.
As an optimal technical scheme, the gap between the two vertical surfaces of the positioning bearing slide block and the corresponding surface of the T-shaped opening hole embedding position of the connecting lug plate is 20-30 mm.
According to the preferable technical scheme, bolt holes are formed in four corners of the sealing plate, and the sealing plate is fixedly connected to the connecting lug plates through bolts.
As an optimized technical scheme, the connecting lug plate is provided with two T-shaped opening holes, the opening is positioned below the T shape, four threaded through holes are formed in the periphery of each T-shaped opening hole, and two positioning bearing sliding blocks, two pin shafts and two sealing plates are arranged correspondingly.
As the preferred technical scheme, the two ends of the two pin shafts penetrate through the connecting lug plates and then are welded with the steel beam.
The method for connecting the upper structure node of the air rail steel beam comprises the following steps: welding the connecting lug plate with the steel column; the pin shaft is welded after being communicated with the steel beam; when the pin shaft is assembled, the square sections at the two ends of the pin shaft are lifted upwards after passing through the lower part of the T-shaped opening hole of the connecting lug plate, when the pin shaft is lifted to the T-shaped intersection point of the T-shaped opening hole of the connecting lug plate, the middle square hole of the positioning bearing slide block is connected with the square section of the pin shaft, the positioning bearing slide block is embedded at the T-shaped intersection point of the connecting lug plate, and finally the sealing plates are respectively sealed on the connecting lug plates at the two ends of the pin shaft, so that node connection is completed.
Has the advantages that:
the utility model provides a new air rail girder steel superstructure nodal connection method simple to operate is swift, novel structure, light and handy, and bearing capacity is strong, more effectively embodies the characteristics of assembled, effectively promotes the installation swift, lowers intensity of labour and engineering construction progress, and this connection method that more is outstanding is the sliding connection to prevent to be destroyed to the structure because of environmental climate temperature change (expend with heat and contract with cold), realize good connection, the difunctional effect of sliding. The method has important practical application prospect and significance in the future development and construction process of urban air rail transit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of the node structure of the present invention.
Fig. 2 is an explosion diagram of the node structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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 merely illustrative of the invention and are not intended to limit the invention.
The invention will now be further described with reference to the accompanying drawings.
The embodiment of the utility model provides an air rail girder steel superstructure node, connection method are pinhole glide, can keep away the girder steel when ambient temperature changes, and track girder steel length can become long or shorten (expend with heat and contract with cold) along with the change of temperature, realizes good connection, the difunctional effect of sliding, prevents to be to the structure destruction because of environmental climate temperature change (expend with heat and contract with cold), ensures the connection method of air train driving safety.
Specifically, referring to fig. 1 and 2, the structural node at the upper portion of the steel beam of the air rail includes a connecting lug plate 1, a positioning bearing slider 2, a pin 3, and a sealing plate 4.
The connecting lug plate 1 is embedded and connected with the positioning bearing slide block 2, the embedded position is a T-shaped intersection point of the T-shaped opening hole 5, the positioning bearing slide block 2 is square, and a gap (20-30 mm and determined by the length change of the steel beam) is reserved between two vertical surfaces (plate thickness cutting surfaces) of the positioning bearing slide block 2 and the corresponding surface of the embedded position of the T-shaped opening hole 5 of the connecting lug plate 1.
The connecting ear plate 1 is provided with two T-shaped opening holes 5, the opening 6 is positioned below the T-shaped opening holes 5, and the T-shaped opening holes 5 are provided with four 4 threaded through holes 7; the connecting lug plate 1 is welded with the steel column.
The positioning bearing slide block 2 is square, a square hole is arranged in the middle of the positioning bearing slide block, and the square hole is connected with the pin shaft 3.
The pin shaft 3 is connected with the positioning bearing slide block 2, the beam section of the pin shaft 3 is a square section, and the pin shaft 3 is welded with the steel beam.
The sealing plate 4 is connected with the connecting ear plate 1, and bolt holes are arranged at four corners of the sealing plate 4; the closing plate 4 is fastened by bolts.
The connecting lug plate 1 is welded on a steel column, a positioning bearing slide block is embedded in a T-shaped intersection point of a T-shaped opening hole 5 of the connecting lug plate 1, a square hole is formed in the middle of the positioning bearing slide block 2 and connected with a pin shaft, and the pin shaft penetrates through a track beam and is welded; the two ends of the pin shaft 3 are sealed and positioned by the seal plates 4, the seal plates 4 are fastened by bolts, and connection between steel columns and steel beam nodes is completed. When the track beam changes due to the length change of the temperature, the embedded sliding block slides forwards and backwards to adjust the position of the pin shaft, so that the stress damage at the node due to the length change of the steel beam is avoided.
The connection method comprises the following steps:
firstly, welding a connecting lug plate 1 (with a T-shaped opening hole) with a steel column; secondly, the pin shaft 3 is welded after being communicated with the steel beam; during assembly, square sections at two ends of the pin shaft 3 are lifted upwards from the lower part of the T-shaped opening hole 5 after passing through the opening, when the pin shaft is lifted to a T-shaped intersection point of the T-shaped opening hole 5, a middle square hole of the positioning bearing slide block 2 is connected with the square section of the pin shaft 3, the positioning bearing slide block 2 is inlaid at the T-shaped intersection point of the connecting lug plate 1, and finally the sealing plates 4 are respectively sealed on lug plates at two ends of the pin shaft to complete node connection.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides an air rail girder steel superstructure node which characterized in that: the positioning and bearing device comprises a connecting lug plate, a positioning and bearing slider, a pin shaft and a sealing plate, wherein the connecting lug plate is embedded and connected with the positioning and bearing slider, the embedded position is the T-shaped intersection of a T-shaped opening hole of the connecting lug plate, a gap is reserved between two vertical surfaces of the positioning and bearing slider and the corresponding surface of the T-shaped opening hole embedded position of the connecting lug plate, a square hole is arranged in the middle of the positioning and bearing slider, the square hole is connected with the pin shaft, and the sealing plate is connected with the connecting lug plate; the connecting lug plate is welded with the steel column, the pin shaft is connected with the positioning bearing slide block, and the pin shaft is welded with the steel beam.
2. An air rail steel girder superstructure node according to claim 1, wherein: the two ends of the pin shaft are square sections.
3. An air rail steel girder superstructure node according to claim 1, wherein: the positioning bearing slide block is square.
4. An air rail steel girder superstructure node according to claim 1, wherein: the gap between the two vertical surfaces of the positioning bearing slide block and the corresponding surface of the T-shaped opening hole embedding position of the connecting lug plate is determined by the length change of the steel beam.
5. An air rail steel girder superstructure node according to claim 1, wherein: the gap between the two vertical surfaces of the positioning bearing slide block and the corresponding surface of the T-shaped opening hole embedding position of the connecting lug plate is 20-30 mm.
6. An air rail steel girder superstructure node according to claim 1, wherein: the four corners of the sealing plate are provided with bolt holes, and the sealing plate is fastened and connected on the connecting lug plate through bolts.
7. An air rail steel girder superstructure node according to claim 1, wherein: the connecting lug plate is provided with two T-shaped opening holes, the opening is positioned below the T-shaped opening holes, four threaded through holes are arranged around the T-shaped opening holes, and two positioning bearing sliding blocks, two pin shafts and two sealing plates are arranged correspondingly.
8. An air rail steel girder superstructure node according to claim 7, wherein: and two ends of the two pin shafts penetrate through the connecting lug plates and then are welded with the steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345153.5U CN215104322U (en) | 2021-02-07 | 2021-02-07 | Overhead rail girder steel superstructure node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345153.5U CN215104322U (en) | 2021-02-07 | 2021-02-07 | Overhead rail girder steel superstructure node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215104322U true CN215104322U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120345153.5U Active CN215104322U (en) | 2021-02-07 | 2021-02-07 | Overhead rail girder steel superstructure node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215104322U (en) |
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2021
- 2021-02-07 CN CN202120345153.5U patent/CN215104322U/en active Active
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