CN217532618U - Rigid contact net portal frame device - Google Patents
Rigid contact net portal frame device Download PDFInfo
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- CN217532618U CN217532618U CN202221519478.1U CN202221519478U CN217532618U CN 217532618 U CN217532618 U CN 217532618U CN 202221519478 U CN202221519478 U CN 202221519478U CN 217532618 U CN217532618 U CN 217532618U
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- door
- shaped frame
- shape frame
- door shape
- portal frame
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Abstract
The utility model provides a rigidity contact net door shape frame device, including door shape frame pillar, door shape frame crossbeam, door shape frame longeron and suspension structure, the both ends of door shape frame crossbeam are connected with door shape frame pillar respectively, door shape frame crossbeam spanes more than one thigh way, the fixed suspension of door shape frame longeron in on the door shape frame crossbeam, fixed a plurality of suspension structure that have hung on the door shape frame longeron, suspension structure is used for pressing from both sides tight busbar. The utility model discloses can make the biggest span of rigid contact net of open-air vehicle section reach 20m, safe and reliable reduces the engineering investment.
Description
Technical Field
The utility model belongs to the rail transit contact net field, in particular to rigidity contact net door-shaped frame device.
Background
In an urban rail transit field, a power supply mode that a contact net supplies power to an electric locomotive through contact with a vehicle-mounted pantograph is generally adopted. The contact net mainly comprises a flexible contact net and a rigid contact net. At present, a flexible contact net scheme is generally adopted for track traffic to fix a contact line and a carrier cable through a support or a portal frame, and the span of the flexible contact net is generally about 30 m; for a vehicle section with an upper cover structure, a rigid contact net scheme is usually adopted, a hanging structure is installed at the top to fix a busbar, and the weight of the busbar is large, so that the deflection of the contact net is controlled, and the span of the rigid contact net is generally not more than 12m.
The span of the rigid contact network is only 12m at most due to the tension-free characteristic of the rigid contact network, if the rigid contact network is adopted in the open-air vehicle section, the number of the portal frames is increased by 3 times, the investment is high, and therefore, the rigid contact network scheme is limited to be popularized in the open-air vehicle section.
Disclosure of Invention
The utility model discloses to the technical problem who exists among the prior art, provide a rigidity contact net door-shaped frame device, can make the biggest span of rigidity contact net of open-air vehicle section reach 20m, safe and reliable reduces the engineering investment.
The utility model adopts the technical proposal that: the rigid contact net portal frame device comprises portal frame pillars, portal frame cross beams, portal frame longitudinal beams and suspension structures, wherein two ends of each portal frame cross beam are connected with the portal frame pillars respectively, each portal frame cross beam spans more than one strand, each portal frame longitudinal beam is fixedly suspended on each portal frame cross beam, a plurality of suspension structures are fixedly suspended on each portal frame longitudinal beam, and each suspension structure is used for clamping a busbar. The portal frame longitudinal beam is used for connecting the suspension structure and the portal frame cross beam, and the contact net span along the track line direction is increased.
Further, the length of the door-shaped frame longitudinal beam is not more than 10m. The length of the longitudinal beam of the portal frame is adjusted to meet the span requirements of different rigid overhead lines.
Furthermore, the portal frame longitudinal beams are positioned above the station tracks, and each station track corresponds to more than one portal frame longitudinal beam. The installation requirements of special positions such as turnouts and anchor section joints are met by changing the installation number of the portal frame longitudinal beams above the station track.
Further, the door-shaped frame longitudinal beam is linear or pre-bent. The pre-bent portal frame longitudinal beam can meet the installation and adjustment of a curve line.
Furthermore, the door-shaped frame longitudinal beam is fixed on the door-shaped frame cross beam in a hoop, welding or flange connection mode. The installation and adjustment of the straight strand and the inclined strand can be met by adjusting the installation angle of the door-shaped frame longitudinal beam on the door-shaped frame cross beam.
Further, the suspension structure comprises a section steel piece, an insulator and a bus clamp, the lower end of the section steel piece is connected with the insulator, and the upper end of the insulator bus clamp is connected.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the utility model discloses a door-shaped frame longeron is connected with door-shaped frame crossbeam, and suspension structure fixes at door-shaped frame longeron, has optimized suspension structure, and the dead weight load of reducing system has greatly increased the rigidity contact net span, reduces support column quantity in the vehicle section to can satisfy the installation of different line conditions such as straight line, curve, switch, for adopting the rigidity contact net in the open-air vehicle section, provide solution.
2. The utility model discloses a suspension structure compares with the suspension device commonly used of contact net because of need not to possess the pulling-out value adjustment function, simple structure, has reduced equipment weight, has reduced the dead weight load of system. The pull-out value can be adjusted by adjusting the position of the longitudinal beam of the portal frame.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of a suspension structure according to an embodiment of the present invention;
fig. 4 is a schematic usage diagram of an embodiment of the present invention.
In the figure: the structure comprises 1-portal frame supporting columns, 2-portal frame cross beams, 3-portal frame longitudinal beams, 4-suspension structures, 41-section steel pieces, 42-insulators, 43-bus line clamps and 5-bus lines.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a rigidity contact net door-shaped frame device, as shown in fig. 1-4, it includes door-shaped frame pillar 1, door-shaped frame crossbeam 2, door-shaped frame longeron 3 and suspension structure 4. Two ends of the portal frame beam 2 are respectively fixedly connected with the top of the portal frame pillar 1. The portal frame strut 1 may be composed of a circular column, a square column, an H-shaped steel column, a lattice-shaped steel column, and other composite steel columns. The portal frame beam 2 can be composed of round tubes, square tubes, H-shaped steel, lattice steel and other combined steel structures. The portal frame cross beam 2 spans three tracks. The portal frame longitudinal beam 3 is arranged above the station track. The longitudinal beam 3 of the portal frame is a square steel tube, the length of the longitudinal beam is 8m, and the center of the longitudinal beam is connected with the transverse beam 2 of the portal frame through a flange plate. The suspension structure 4 is connected with the door-shaped frame longitudinal beam 3 in a hoop form. Three suspension structures 4 are fixed on each door-shaped frame longitudinal beam 3; for the two tracks on the left, the suspension structures 4 are arranged at a distance of 4 m; for the rightmost femoral road, the suspension structures 4 are arranged at the joints of the anchor sections at intervals of 2m + 3.5m. The distance between the adjacent suspension structures 4 arranged on two different portal frame longitudinal beams 3 on the same railway line is 12m, and the distances between the portal frame support posts 1 of 20m are realized by adding the lengths of the half sections of the portal frame longitudinal beams 3 on two sides, and the lengths are respectively 4 m. The suspension structure 4 comprises a section steel piece 41, an insulator 42 and a bus bar clamp 43, wherein the lower end of the section steel piece 41 is connected with the insulator 42, and the upper end of the insulator 42 is connected with the bus bar clamp 43. The bus bar clamp 43 clamps the bus bar 5, and realizes smooth flow to the locomotive. The section steel part 41 comprises a bottom plate, cylindrical section steel and square section steel which are sequentially connected, and a hole is formed in the bottom of the square section steel and used for fixing the insulator 42.
The present invention has been described in detail with reference to the embodiments, but the description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention. The protection scope of the present invention is defined by the claims. Technical scheme, or technical personnel in the field are in the utility model technical scheme's inspiration the utility model discloses an essence and protection within range, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change that application scope was made and improve etc. all should still belong to within the protection scope is covered to the patent of the utility model.
Claims (7)
1. The utility model provides a rigidity contact net door-shaped frame device which characterized in that: the clamping device comprises door-shaped frame pillars, door-shaped frame cross beams, door-shaped frame longitudinal beams and suspension structures, wherein two ends of each door-shaped frame cross beam are connected with the corresponding door-shaped frame pillar respectively, the door-shaped frame cross beams span more than one strand channel, the door-shaped frame longitudinal beams are fixedly suspended on the door-shaped frame cross beams, the door-shaped frame longitudinal beams are fixedly suspended with a plurality of suspension structures, and the suspension structures are used for clamping busbars.
2. The rigid catenary gantry of claim 1, wherein: the length of the door-shaped frame longitudinal beam is not more than 10m.
3. The rigid catenary gantry of claim 1, wherein: the portal frame longitudinal beam is positioned above the station track.
4. A rigid catenary gantry apparatus of claim 3 wherein: each of the tracks corresponds to more than one longitudinal beam of the portal frame.
5. The rigid catenary gantry of claim 1, wherein: the longitudinal beam of the door-shaped frame is linear or pre-bent.
6. The rigid catenary gantry of claim 1, wherein: the door-shaped frame longitudinal beam is fixed on the door-shaped frame cross beam in a hoop, welding or flange connection mode.
7. The rigid catenary gantry of claim 1, wherein: the suspension structure comprises a section steel piece, an insulator and a busbar wire clamp, wherein the lower end of the section steel piece is connected with the insulator, and the upper end of the insulator busbar wire clamp is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519478.1U CN217532618U (en) | 2022-06-17 | 2022-06-17 | Rigid contact net portal frame device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519478.1U CN217532618U (en) | 2022-06-17 | 2022-06-17 | Rigid contact net portal frame device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217532618U true CN217532618U (en) | 2022-10-04 |
Family
ID=83418997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221519478.1U Active CN217532618U (en) | 2022-06-17 | 2022-06-17 | Rigid contact net portal frame device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217532618U (en) |
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2022
- 2022-06-17 CN CN202221519478.1U patent/CN217532618U/en active Active
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