CN113250016A - Overhead rail steel beam upper structure node and connection method thereof - Google Patents
Overhead rail steel beam upper structure node and connection method thereof Download PDFInfo
- Publication number
- CN113250016A CN113250016A CN202110167685.9A CN202110167685A CN113250016A CN 113250016 A CN113250016 A CN 113250016A CN 202110167685 A CN202110167685 A CN 202110167685A CN 113250016 A CN113250016 A CN 113250016A
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- China
- Prior art keywords
- lug plate
- pin shaft
- connecting lug
- shaped opening
- positioning
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an overhead rail steel beam upper structure node and a connection method thereof, wherein the node mainly comprises a connection lug plate, a positioning bearing slider, a pin shaft and a seal plate, the connection 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 connection 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 connection lug plate, a square hole is arranged in the middle of the positioning bearing slider, the square hole is connected with the pin shaft, and the seal plate is connected with the connection 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. The invention can prevent the damage of the structure caused by the temperature change (expansion with heat and contraction with cold) of the environment climate, and realizes the good dual functions of connection and 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 invention belongs to the technical field of processing of aerial rail steel box rail beams, bridges and steel structures, and particularly relates to an aerial rail steel beam upper structure node and a connection method thereof.
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.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an air rail steel beam upper structure node and a connection method thereof.
The specific technical scheme of the invention is 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 invention provides a novel connecting method for an upper structure node of an air rail steel beam, which is convenient and quick to install, novel and light in structure, strong in bearing capacity, capable of effectively embodying the characteristic of an assembly type, effectively improving the installation speed, reducing the labor intensity and the engineering construction progress, and more prominent in that the connecting method is a sliding type connecting method so as to prevent the structure from being damaged due to the temperature change (expansion caused by heat and contraction caused by cold) of the environment climate and realize good connecting and sliding dual functions. 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 detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or 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 exploded view 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 is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating 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 apparent, the present invention will be described in further 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 invention relates to an overhead rail steel beam upper structure node and a connection method thereof, wherein the connection method is a pin hole sliding type, the length of a rail steel beam can be lengthened or shortened (expanded with heat and contracted with cold) along with the change of the temperature when the environmental temperature of the steel beam changes, good connection and sliding dual functions are realized, the damage to a structure due to the change of the environmental climate temperature (expanded with heat and contracted with cold) is prevented, and the running safety of an air train is ensured.
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 two ends of the pin shaft 3 are square sections, 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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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 depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
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.
9. A method of connecting an air-rail steel girder superstructure node according to any one of claims 1 to 8, comprising the steps of: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167685.9A CN113250016A (en) | 2021-02-07 | 2021-02-07 | Overhead rail steel beam upper structure node and connection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110167685.9A CN113250016A (en) | 2021-02-07 | 2021-02-07 | Overhead rail steel beam upper structure node and connection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113250016A true CN113250016A (en) | 2021-08-13 |
Family
ID=77180885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110167685.9A Pending CN113250016A (en) | 2021-02-07 | 2021-02-07 | Overhead rail steel beam upper structure node and connection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113250016A (en) |
-
2021
- 2021-02-07 CN CN202110167685.9A patent/CN113250016A/en active Pending
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