CN211252598U - Rail cross conversion device of urban rail transit system - Google Patents
Rail cross conversion device of urban rail transit system Download PDFInfo
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- CN211252598U CN211252598U CN201921859392.1U CN201921859392U CN211252598U CN 211252598 U CN211252598 U CN 211252598U CN 201921859392 U CN201921859392 U CN 201921859392U CN 211252598 U CN211252598 U CN 211252598U
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Abstract
A track cross conversion device of an urban track traffic system comprises a support frame, a track bearing platform, a rotary disc, a transfer rail and a rotary disc driving device capable of driving the rotary disc to rotate; the track bearing table is fixedly connected with the support frame; the rotary disc is rotatably arranged at the central part of the track bearing platform, the switching track is fixedly connected with the rotary disc and is positioned under the rotary disc, four track hanging parts are arranged on the track bearing platform, a transition track section is arranged on the lower side of each track hanging part, the four transition track sections are distributed along the circumferential direction of the rotary disc and are positioned on the outer side of the switching track, the central lines of the two transition track sections are positioned on one straight line, and the central lines of the other two transition track sections are positioned on the other straight line. The utility model discloses simple structure is compact, is connected with four corresponding track ends of aerial track through four track hitching parts, combines the supporting role of support frame, can firmly install in aerial orbital X-shaped intersection, realizes the track conversion, and convenient operation.
Description
Technical Field
The utility model relates to an urban public transport technical field, concretely relates to urban rail transit system's track cross conversion equipment.
Background
With the development of the automobile industry and the continuous promotion of the urbanization process, the living standard of people is improved, the holding quantity of automobiles is also obviously increased, and the problem of urban road congestion becomes one of important problems restricting the urban development. At present, urban traffic solutions of most cities are three-dimensional urban traffic, original road plane crossing is changed into three-dimensional crossing, and some large cities also utilize underground traffic and ground traffic to combine together, so that the effect of effectively relieving traffic pressure is achieved. The Bus Rapid Transit (BRT) is a popular transportation scheme at present, is a novel public passenger transport system between Rapid Rail Transit (RRT) and Normal Bus (NBT), is a mass Transit mode, realizes Rail Transit operation service, and achieves the level of light Rail service, but the actual effect of the scheme is not satisfactory, and some of them are convenient for Bus operation, but affect the smoothness of other various vehicles.
People think of realizing urban rail transit operation service by adopting an aerial rail and matching with vehicles running on the aerial rail. The aerial track is a track with a certain height from the ground, and stations are arranged at intervals; the vehicles run on the air track and stop to get on and off passengers when arriving at the station. Generally, the aerial track is shared by a plurality of vehicles in different routes, the aerial track is in a net shape, a plurality of X-shaped junctions or Y-shaped junctions exist, and a track switching or switching device is required to be arranged at the junctions, so that the vehicles can continue to run along a preset route when running to the junctions. The prior track cross conversion device for the X-shaped junction mostly has the problems of not firm enough combination with the aerial track main body or inconvenient operation.
Disclosure of Invention
The utility model aims to solve the technical problem that a track cross conversion equipment of urban rail transit system is provided, this kind of track cross conversion equipment can firmly install at orbital X shape intersection aloft, realizes track switching, and convenient operation. The technical scheme is as follows:
a track cross conversion device of an urban track traffic system is characterized by comprising a support frame, a track bearing platform, a rotating disc, a switching track and a rotating disc driving device capable of driving the rotating disc to rotate; the track bearing table is fixedly connected with the support frame; the rotary disc is rotatably arranged at the central part of the track bearing platform, the switching track is fixedly connected with the rotary disc and is positioned under the rotary disc, four track hanging parts are arranged on the track bearing platform, a transition track section is arranged on the lower side of each track hanging part, the four transition track sections are distributed along the circumferential direction of the rotary disc and are positioned on the outer side of the switching track, the central lines of the two transition track sections are positioned on one straight line, and the central lines of the other two transition track sections are positioned on the other straight line.
The utility model discloses a track alternately conversion equipment is as the urban rail transit system's that applicant researched and developed partly, sets up at this urban rail transit system's orbital X-shaped intersection in the air. At the X-shaped intersection, the aerial rail has four rail ends (the rail ends refer to the ends of a section of aerial rail), wherein two rail ends are aligned with each other, and the other two rail ends are aligned with each other; four rail hanging parts on the rail bearing platform are respectively hung on the four rail end heads (the rail hanging parts can be welded with the corresponding rail end heads after being installed in place), so that the rail cross conversion device is fixed on the aerial rail; four transition track sections are respectively connected with the four track ends. At the X-shaped intersection, when a vehicle needs to cross another aligned track end from one track end, the rotating disc driving device drives the rotating disc to rotate in advance, so that the transfer rail rotates to the position corresponding to the two track ends, the two transition track sections are connected through the transfer rail and the corresponding two transition track sections, the central line of the transfer rail and the central lines of the two transition track sections are positioned on the same line, and therefore the two track ends, the two transition track sections and the transfer rail are connected into a line, and the vehicle can smoothly pass through the X-shaped intersection.
In the preferred scheme, the rotating disc driving device comprises a rotating disc driving motor, a driving gear and a driven gear, wherein the rotating disc driving motor is fixedly installed on a support frame or a track bearing table, the driving gear is installed on a power output shaft of the rotating disc driving motor, the driven gear is fixedly installed on a rotating disc, the driven gear is coincided with the axis of the rotating disc, and the driven gear is meshed with the driving gear. When the driving gear is driven to rotate by the rotating disc driving motor, the driving gear drives the rotating disc to rotate through the driven gear, and therefore the position of the transfer rail is switched.
In a preferred scheme, a limiting cylinder is arranged at the central part of the track bearing platform, and through holes are formed in the limiting cylinder and the parts corresponding to the transition track sections; the bottom of the rotating disc is provided with a limiting ring, and the limiting ring is positioned in an opening at the top of the limiting cylinder. The outer wall of the limiting ring is matched with the top of the inner wall of the limiting cylinder, so that the rotating disc is limited. Each through hole respectively communicates the internal cavity of the corresponding transition track section with the cavity of the limiting cylinder, and when two transition track sections are connected through the transfer track, the internal cavities of the transfer track and the internal cavities of the two transition track sections are communicated through the corresponding two through holes to form a channel for vehicles to pass through.
In a more preferable scheme, an annular groove is formed in the top of the limiting cylinder, a plurality of balls are uniformly arranged in the annular groove, and the lower surface of the rotating disc is in contact with the balls. Each ball and rolling cooperation of rolling disc play the supporting role to the rolling disc, make the rolling disc can more smoothly, rotate steadily.
In another more preferable scheme, a plurality of supporting rollers are arranged at the top of the limiting cylinder, the supporting rollers are arranged along the circumferential direction of the limiting cylinder, and the lower surface of the rotating disc is in contact with the supporting rollers. Each supporting roller is matched with the rotating disc in a rolling manner, so that the rotating disc is supported, and the rotating disc can rotate more smoothly and stably.
In a preferred scheme, projections of the outlines of the two end parts of the transfer rail on a horizontal plane are both arc-shaped, and the projections of the outlines of the two end parts of the transfer rail on the horizontal plane are on the same circle; the projections of the outlines of the inner ends of the transition track sections on the horizontal plane are arc-shaped, and the projections of the outlines of the inner ends of the transition track sections on the horizontal plane are on the same circle. In this way, when the transfer rail is connected with the two corresponding transition rail sections in a line under the condition that the transition rail sections do not prevent the transfer rail from rotating along with the rotating disc, the gap between the transfer rail and the transition rail sections can be made as small as possible, so that the vehicle can more stably cross the rail crossing conversion device.
In the preferred scheme, the rail hanging part comprises a hanging plate, one side limiting plate is arranged on each of two sides of the hanging plate, the upper edges of the two side limiting plates are integrally connected with the edges of two sides of the hanging plate respectively, and the transition rail section is located in a space surrounded by the hanging plate and the two side limiting plates. The cross section of the rail hanging part is in a U shape with a downward opening, when the rail hanging part is combined with the rail end, the hanging plate is superposed on the top surface of the rail end, and the two side limiting plates are respectively positioned on two sides of the rail end and tightly attached to the side surface of the rail end, so that the rail cross conversion device is firmly combined with each rail end and is not easy to misplace.
Typically, the cross-sectional shape and dimensions of the transition track segment are consistent with those of the transition track. The cross section shapes and sizes of the transition track section and the transfer track are consistent with those of the track end.
In general, the included angle between the straight line of the central lines of two transition track sections and the straight line of the central lines of the other two transition track sections is between 30 and 90 degrees.
The utility model discloses simple structure is compact, is connected with four corresponding track ends of aerial track through four track hitching parts, combines the supporting role of support frame (the support frame bottom is installed subaerial), can firmly install at orbital X shape intersection aerial, realizes the track conversion, makes the vehicle can pass through X shape intersection smoothly, and convenient operation.
Drawings
Fig. 1 is a schematic structural view (perspective view) of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a track support platform according to a preferred embodiment of the present invention;
FIG. 3 is a top view of the rail carrier of FIG. 2;
FIG. 4 is a perspective view of the turn disc and the transfer rail in the preferred embodiment of the present invention;
FIG. 5 is an A-view of the rotor plate and the transfer rail of FIG. 4;
FIG. 6 is a top view of the rotor plate and the transfer rail of FIG. 5;
fig. 7 is a schematic cross-sectional view of an aerial track in a preferred embodiment of the invention.
Detailed Description
As shown in fig. 1, the track crossing switching device of the urban rail transit system comprises a support frame 1, a track bearing platform 2, a rotating disc 3, a switching track 4 and a rotating disc driving device capable of driving the rotating disc to rotate. The support frame 1 is fixedly connected with the track bearing platform 2. The rotary disc 3 is rotatably arranged at the central part of the track bearing platform 2, and the switching track 4 is fixedly connected with the rotary disc 3 and is positioned right below the rotary disc 3. Four track hanging parts 21 are arranged on the track bearing platform 2, a transition track section 5 is arranged on the lower side of each track hanging part 21 respectively, the four transition track sections 5 are distributed along the circumferential direction of the rotating disc 3 and are located on the outer side of the transfer track 4, the central lines of the two transition track sections 5 are located on one straight line, and the central lines of the other two transition track sections 5 are located on the other straight line.
The rotating disc driving device comprises a rotating disc driving motor 6, a driving gear 7 and a driven gear 8, the rotating disc driving motor 6 is fixedly installed on the supporting frame 1, the driving gear 7 is installed on a power output shaft of the rotating disc driving motor 6, the driven gear 8 is fixedly installed on the rotating disc 3 (the middle part of the rotating disc 3 is hollowed out in the embodiment, the driven gear 8 and the rotating disc 3 are integrally manufactured), the driven gear 8 is overlapped with the axis of the rotating disc 3, and the driven gear 8 is meshed with the driving gear 7. When the driving gear 7 is driven to rotate by the rotating disc driving motor 6, the driving gear 7 drives the rotating disc 3 to rotate through the driven gear 8, and therefore the position of the transfer rail 4 is switched.
Referring to fig. 2-6, in the present embodiment, a limiting cylinder 22 is disposed at a central portion of the track bearing platform 2, and through holes 23 are disposed at positions of the limiting cylinder 22 corresponding to the transition track sections 5; the bottom of the rotating disc 3 is provided with a limiting ring 31, and the limiting ring 31 is positioned in an opening at the top of the limiting cylinder 22. The outer wall of the limiting ring 31 is matched with the top of the inner wall of the limiting cylinder 22 to limit the rotating disc 3. The top of the limiting cylinder 22 is provided with an annular groove 25, a plurality of balls 24 are uniformly arranged in the annular groove 25, and the lower surface of the rotating disc 3 is contacted with the balls 24. Each through hole 23 communicates the internal cavity of the corresponding transition track section 5 with the cavity of the limiting cylinder 22, and when two transition track sections 5 are connected through the transfer rail 4, the internal cavities of the transfer rail 4 and the internal cavities of the two transition track sections 5 are communicated through the corresponding two through holes 23, so as to form a passage for vehicles to pass through. Each ball 24 is in rolling fit with the rotating disc 3, and plays a role in supporting the rotating disc 3, so that the rotating disc 3 can rotate more smoothly and stably.
Referring to fig. 6, in the present embodiment, the projections of the profiles 41 at the two ends of the adapting rail 4 on the horizontal plane are both arc-shaped, and the projections of the profiles 41 at the two ends of the adapting rail 4 on the horizontal plane are on the same circle; referring to fig. 3, the projections of the inner end profiles 51 of the transition track sections 5 on the horizontal plane are arc-shaped, and the projections of the inner end profiles 51 of the transition track sections 5 on the horizontal plane are on the same circle.
Referring to fig. 2, the rail coupling portion 21 includes a coupling plate 211, side limiting plates 212 and 213 are respectively disposed on two sides of the coupling plate 211, upper edges of the two side limiting plates 212 and 213 are respectively integrally connected with two side edges of the coupling plate 211, and the transition rail section 5 is located in a space enclosed by the coupling plate 211 and the two side limiting plates 212 and 213. The cross-sectional shape of the rail hanging portion 21 is a U shape with a downward opening.
The cross-sectional shape and dimensions of the transition track section 5 correspond to those of the transfer track 4.
In the four transition track sections 5, the included angle between the straight line where the center lines of two transition track sections 5 are located and the straight line where the center lines of the other two transition track sections 5 are located is between 30 degrees and 90 degrees (90 degrees in this embodiment).
The following briefly describes the working principle of the present track crossing switching device:
the utility model discloses a track alternately conversion equipment is as the urban rail transit system's that applicant researched and developed partly, sets up at this urban rail transit system's orbital X-shaped intersection in the air. At the X-shaped intersection, the aerial track has four track ends 9, wherein two track ends 9 are aligned with each other, and the other two track ends 9 are aligned with each other; the four rail hanging parts 21 on the rail bearing platform 2 are respectively hung on the four rail end heads 9 (when the rail hanging parts 21 are combined with the rail end heads 9, the hanging plate 211 is superposed on the top surfaces of the rail end heads 9, and the two side limiting plates 212 and 213 are respectively positioned at the two sides of the rail end heads 9 and tightly attached to the side surfaces of the rail end heads 9; the four transition track sections 5 are connected to the four track heads 9, respectively (the cross-sectional shapes and dimensions of the transition track sections 5 and the transfer track 4 are identical to the track heads 9).
The rail head 9 is an end of a section of overhead rail, and referring to fig. 7, in the present embodiment, the overhead rail includes a top plate 91, a middle partition plate 96, two side plates 92, two wheel support bottom plates 93, and two limit wall plates 94; the two side plates 92 are arranged side by side left and right, the two wheel supporting bottom plates 93 are arranged side by side left and right, the upper edges of the two side plates 92 are respectively connected with the edges of the left side and the right side of the top plate 91 integrally, the left edge of the left side wheel supporting bottom plate 93 is connected with the lower edge of the left side plate 92 integrally, the right edge of the right side wheel supporting bottom plate 93 is connected with the lower edge of the right side plate 92 integrally, and a gap 95 extending along the length direction of the aerial track is arranged between the right edge of the left side wheel supporting bottom plate 93 and the left edge of. The intermediate partition 96 is interposed between the two side plates 94, the upper edge of the intermediate partition 96 is integrally connected to the lower surface of the top plate 91, and the lower edge of the intermediate partition 96 is provided with a power supply line 97. The two limit wall plates 94 are arranged side by side left and right, the lower edge of the left limit wall plate 94 is integrally connected with the right edge of the left wheel support base plate 93, and the lower edge of the right limit wall plate 94 is integrally connected with the left edge of the right wheel support base plate 93. The intermediate partition 96 and the two side plates 94 each extend along the length of the aerial rail and guide the running gear along the aerial rail. The left wheels on the vehicle are on the left wheel support base plate 93 and the right wheels are on the right wheel support base plate 93. The vehicle is provided with an electric terminal which is in contact fit with a power supply line 97 arranged at the lower edge of the middle partition plate 96 of the aerial track, and electric energy is accessed from the power supply line 97 to be used by power devices such as a driving motor and the like on the vehicle.
At the X-shaped intersection, when the vehicle needs to pass over another rail end 9 aligned with the one rail end 9 from the one rail end 9, the rotating disc driving device drives the rotating disc 3 to rotate in advance, so that the transfer rail 4 rotates to a position corresponding to the two rail ends 9, at this time, the two transition rail sections are connected through the transfer rail 4 and the corresponding two transition rail sections 5, the central line of the transfer rail 4 and the central lines of the two transition rail sections 5 are in a straight line, and thus the two rail ends 9, the two transition rail sections 5 and the transfer rail 4 are connected into a line, and the vehicle can smoothly pass through the X-shaped intersection.
Claims (8)
1. A track cross conversion device of an urban track traffic system is characterized by comprising a support frame, a track bearing platform, a rotating disc, a switching track and a rotating disc driving device capable of driving the rotating disc to rotate; the track bearing table is fixedly connected with the support frame; the rotary disc is rotatably arranged at the central part of the track bearing platform, the switching track is fixedly connected with the rotary disc and is positioned under the rotary disc, four track hanging parts are arranged on the track bearing platform, a transition track section is arranged on the lower side of each track hanging part, the four transition track sections are distributed along the circumferential direction of the rotary disc and are positioned on the outer side of the switching track, the central lines of the two transition track sections are positioned on one straight line, and the central lines of the other two transition track sections are positioned on the other straight line.
2. The track crossing switching device of the urban rail transit system according to claim 1, wherein: a limiting cylinder is arranged at the central part of the track bearing table, and through holes are formed in the limiting cylinder and the parts corresponding to the transition track sections; the bottom of the rotating disc is provided with a limiting ring, and the limiting ring is positioned in an opening at the top of the limiting cylinder.
3. The track crossing switching device of the urban rail transit system according to claim 2, wherein: the top of the limiting cylinder is provided with an annular groove, a plurality of balls are uniformly arranged in the annular groove, and the lower surface of the rotating disc is in contact with the balls.
4. The track crossing switching device of the urban rail transit system according to claim 2, wherein: the top of the limiting cylinder is provided with a plurality of supporting rollers, the supporting rollers are arranged along the circumferential direction of the limiting cylinder, and the lower surface of the rotating disc is in contact with the supporting rollers.
5. The track crossing switching device of an urban rail transit system according to any one of claims 1 to 4, wherein: the projections of the outlines of the two end parts of the switching rail on the horizontal plane are both arc-shaped, and the projections of the outlines of the two end parts of the switching rail on the horizontal plane are on the same circle; the projections of the outlines of the inner ends of the transition track sections on the horizontal plane are arc-shaped, and the projections of the outlines of the inner ends of the transition track sections on the horizontal plane are on the same circle.
6. The track crossing switching device of an urban rail transit system according to any one of claims 1 to 4, wherein: the track hitching part comprises a hitching plate, one side limiting plate is arranged on each of two sides of the hitching plate, the upper edges of the two side limiting plates are integrally connected with the edges of two sides of the hitching plate respectively, and the transition track section is located in a space surrounded by the hitching plate and the two side limiting plates.
7. The track crossing switching device of an urban rail transit system according to any one of claims 1 to 4, wherein: the cross section shape and the size of the transition track section are consistent with those of the switching track.
8. The track crossing switching device of an urban rail transit system according to any one of claims 1 to 4, wherein: the rotating disc driving device comprises a rotating disc driving motor, a driving gear and a driven gear, the rotating disc driving motor is fixedly installed on the supporting frame or the track bearing table, the driving gear is installed on a power output shaft of the rotating disc driving motor, the driven gear is fixedly installed on the rotating disc, the driven gear is overlapped with the axis of the rotating disc, and the driven gear is meshed with the driving gear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019206182779 | 2019-04-30 | ||
| CN201920618277 | 2019-04-30 |
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| Publication Number | Publication Date |
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| CN211252598U true CN211252598U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921859392.1U Active CN211252598U (en) | 2019-04-30 | 2019-10-31 | Rail cross conversion device of urban rail transit system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252094A (en) * | 2020-09-11 | 2021-01-22 | 滁州华非铁路车辆配件有限公司 | Integrated integrated netted rail transit hanging beam |
-
2019
- 2019-10-31 CN CN201921859392.1U patent/CN211252598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252094A (en) * | 2020-09-11 | 2021-01-22 | 滁州华非铁路车辆配件有限公司 | Integrated integrated netted rail transit hanging beam |
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