CN112429036B - Straddle type single-rail synchronous beam-changing turnout - Google Patents
Straddle type single-rail synchronous beam-changing turnout Download PDFInfo
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- CN112429036B CN112429036B CN202011449068.XA CN202011449068A CN112429036B CN 112429036 B CN112429036 B CN 112429036B CN 202011449068 A CN202011449068 A CN 202011449068A CN 112429036 B CN112429036 B CN 112429036B
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- turnout
- curved
- straight
- guide groove
- buttress
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- B61L5/065—Construction of driving mechanism
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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
- E01B25/12—Switches; Crossings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention provides a straddle type single-track synchronous beam-changing turnout which comprises a straight beam, a curved beam, a trolley, a fixed-end buttress beam, a movable-end buttress beam, a driving device and a hinge shaft device, wherein the straight beam is connected with the curved beam through a connecting rod; the fixed end pile beam, the movable end pile beam and the driving device are all arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first ends of the straight beam and the curved beam; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys with rollers; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam. According to the turnout provided by the invention, the double-swing guide rod mechanism replaces an electric push rod to serve as a driving device and is arranged at the rear section of a turnout beam, so that the switching precision of the turnout can be effectively improved, and the turnout debugging difficulty can be reduced; one drive drives two turnout beams simultaneously, and a hinged connecting rod is not arranged between the two beams, so that the overall safety and stability of the turnout are improved.
Description
Technical Field
The invention relates to the technical field of straddle type monorail traffic tracks, in particular to a straddle type monorail synchronous beam-changing turnout.
Background
The light rail is an important component in urban rail transit, and can well solve the problem of traffic congestion in cities with large relative altitude difference, dense population, narrow roads, multiple curves and urgent traffic congestion. In particular to a straddle type monorail traffic light rail which is more suitable for the traffic condition of modern cities.
The invention patent application publication specification of Chinese patent publication No. CN105155366B discloses a straddle type monorail replacement beam turnout structure and a turnout switching method, the patent drive adopts an electric push rod, the electric push rod is arranged at the position of a turnout Liang Kuazhong, the stroke of the electric push rod is pushed by 1mm, the tail end of the turnout beam moves by 2mm, and the integral switching precision of the turnout is difficult to control; after the turnout beam deforms due to factors such as temperature and the like, a large extra load can be generated on the electric push rod, and the service life of the electric push rod is influenced; the straight beam and the curved beam are hinged through the hinged connecting rod to form a four-bar mechanism, once the hinged connecting rod is blocked, the whole turnout cannot operate, and great danger is formed for the operation of the whole line.
The invention patent application publication specification of Chinese patent publication No. CN107604774A discloses a single-rail traffic asynchronous beam-changing turnout, which adopts two motors to respectively drive a straight beam and a curved beam to realize asynchronous beam changing, but the cost is high, the control is complex, the safety and stability are not high, and the long-term stable operation of the turnout is not facilitated.
In conclusion, a straddle type single-rail synchronous beam-changing turnout is urgently needed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a straddle type single-rail synchronous beam-changing turnout, which can solve the problems of low switching precision, overlarge stress of an electric push rod, high cost, insufficient safety and stability and the like of an asynchronous beam-changing turnout of the conventional turnout.
In order to realize the aim, the invention provides a straddle type monorail synchronous beam-changing turnout which comprises a straight beam, a curved beam, a trolley, a fixed end buttress beam, a movable end buttress beam, a driving device and a hinge shaft device, wherein the straight beam is connected with the fixed end buttress beam; the fixed end buttress beam and the movable end buttress beam are arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first end of the straight beam and the first end of the curved beam; the movable end buttress beam is connected with the second end of the straight beam or the second end of the curved beam; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys, and the trolleys are provided with rollers and can roll on the track of the turnout foundation rail; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam and is used as a rotating center of the straight beam or the curved beam;
the driving device is arranged on a turnout foundation and comprises a motor, a speed reducer and a swing arm; the motor is connected with the input shaft of the speed reducer, the swing arm is L-shaped, the inflection point of the swing arm is connected with the output shaft of the speed reducer, two end points of the swing arm are both connected with rollers, the bottom of the straight beam is provided with a first guide groove, the bottom of the curved beam is provided with a second guide groove, and the two rollers on the swing arm can roll in the first guide groove and the second guide groove respectively. Thereby simultaneously driving the straight beam and the curved beam to rotate around the respective turning points of the tail ends.
Further, the hinge shaft device comprises a hinge shaft assembly, a rotating shaft assembly and a bearing; the hinge shaft assembly is fixedly installed on the turnout foundation, one end of the rotating shaft assembly is connected to a trolley at the bottom of the straight beam or the curved beam, and the other end of the rotating shaft assembly is rotatably connected with the hinge shaft assembly through a bearing.
Furthermore, the turnout also comprises a locking device; the locking device comprises a locking groove, a locking pin and an electric push rod; the lock groove is arranged on the trolleys at the head ends of the straight beam and the curved beam; the lock pin and the electric push rod are arranged at the end part of the movable end buttress beam, the lock pin is connected with the electric push rod, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the electric push rod pushes the lock pin to be inserted into the lock groove of the movable end buttress beam.
Furthermore, the turnout also comprises a joint plate, wherein the joint plate is arranged at the end part of the movable end buttress beam, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the joint plate is lapped at the end part of the straight beam or the curved beam, so that the movable end buttress beam and the straight beam or the curved beam are in smooth transition.
Furthermore, the bottom of the joint plate is connected with a guide rod, and a guide sleeve matched with the guide rod is arranged on the movable end buttress beam; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, an included angle is formed between the length direction of the guide groove and the motion direction of the lock pin, and the electric push rod pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift.
The technical scheme of the invention has the following beneficial effects:
(1) In the invention, the double-swing guide rod mechanism replaces an electric push rod to be used as a driving device and is arranged at the rear section of the turnout beam, so that the switching precision of the turnout can be effectively improved, the turnout debugging difficulty can be reduced, meanwhile, because a certain gap is formed between the swing arm roller and the guide groove, the extra load on the driving device caused by the deformation of the straight beam due to the change of the environmental temperature can be effectively reduced, and the combination of the motor and the speed reducer is also beneficial to the localization of the device and the cost reduction. One drive drives two turnout beams simultaneously, and a hinged connecting rod is not arranged between the two beams, so that the overall safety and stability of the turnout are improved.
(2) According to the invention, the joint plate device and the locking device are linked together, and the vertical position of the joint plate is limited by the guide groove of the guide groove plate, so that the vertical movement of the joint plate is accurate and controllable, the potential safety hazard that the traditional turnover finger-shaped plate cannot fall down due to blockage is solved, and the turnover finger-shaped plate is very stable and noiseless in operation
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a straddle type monorail synchronous beam-changing turnout;
fig. 2 (a) is a schematic switching action (orthogonal communication) of a straddle type monorail synchronous beam-changing turnout;
FIG. 2 (b) is a schematic diagram of the switching action (lateral line communication) of the straddle type monorail synchronous beam-changing turnout;
FIG. 3 is a locking device and seam plate;
FIG. 4 is a drive device;
fig. 5 is a hinge shaft device;
100, fixed end buttress beams, 200, a hinge shaft device, 201, a hinge shaft assembly, 202, a rotating shaft assembly, 203, a bearing, 300, a straight beam, 301, a first guide groove, 400, a curved beam, 401, a second guide groove, 500, a trolley, 600, a movable end buttress beam, 700, a driving device, 701, a motor, 702, a speed reducer, 703, a swing arm, 800, a locking device, 801, an electric push rod, 802, a locking groove, 803, a joint plate, 900 and a turnout foundation.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
as shown in fig. 1 to 5, a straddle type monorail synchronous beam-changing turnout comprises a straight beam 300, a curved beam 400, a trolley 500, a fixed end buttress beam 100, a movable end buttress beam 600, a driving device 700, a hinge shaft device 200, a locking device 800 and a joint plate 803.
The fixed end buttress beam 100 and the movable end buttress beam 600 are arranged on a turnout foundation 900 and are used as transition beams between the track beam and the turnout beam; the two fixed end buttress beams 100 are respectively connected with the first end of the straight beam 300 and the first end of the curved beam 400; the movable end-stack beam 600 is connected to the second end of the straight beam 300 or the second end of the curved beam 400.
As shown in fig. 2 (a), the straight beam 300 is used for the turnout to communicate with the main line of the track beam, and as shown in fig. 2 (b), the curved beam 400 is used for the turnout to communicate with the side line of the track beam.
The bottoms of the straight beam 300 and the curved beam 400 are provided with a plurality of trolleys 500, and the trolleys 500 are provided with rollers which can roll on the track of the turnout foundation 900 and are supporting and moving components of the turnout.
One end of the hinge shaft device 200 is installed on the turnout foundation 900, and the other end is connected with the straight beam 300 or the curved beam 400 to be used as a rotating center of the straight beam 300 or the curved beam 400; as shown in fig. 5, the hinge shaft device 200 includes a hinge shaft assembly 201, a rotating shaft assembly 202 and a bearing 203; the hinge shaft assembly 201 is fixedly installed on the turnout foundation 900, one end of the rotating shaft assembly 202 is connected to the trolley 500 at the bottom of the straight beam 300 or the curved beam 400, and the other end of the rotating shaft assembly 202 is rotatably connected with the hinge shaft assembly 201 through the bearing 203.
The driving device 700 is installed on the turnout foundation 900, the driving device is a double-swing guide rod mechanism, as shown in fig. 4, the driving device 700 comprises a motor 701, a speed reducer 702 and a swing arm 703; the motor 701 is connected with an input shaft of the speed reducer 702, the swing arm 703 is L-shaped, an inflection point of the swing arm 703 is connected with an output shaft of the speed reducer, two end points of the swing arm 703 are both connected with rollers, the bottom of the straight beam is provided with a first guide groove 301, the bottom of the curved beam is provided with a second guide groove 401, and the two rollers on the swing arm 703 can roll in the first guide groove 301 and the second guide groove 401 respectively. Thereby simultaneously rotating the straight beam 300 and the curved beam 400 about the turning points of the respective end portions.
The locking device 800 comprises a locking groove 802, a locking pin and an electric push rod 801; the lock groove 802 is arranged on the trolley 500 at the head ends of the straight beam 300 and the curved beam 400; the locking pin and the electric push rod 801 are arranged at the end part of the movable end buttress beam 600, the locking pin is connected with the electric push rod 801, and when the straight beam 300 or the curved beam 400 is butted with the movable end buttress beam 600, the electric push rod 801 pushes the locking pin to be inserted into the locking groove 802 of the movable end buttress beam 600.
The joint plate 803 is arranged at the end of the movable end pile beam 600, and when the straight beam 300 or the curved beam 400 is butted with the movable end pile beam 600, the joint plate 803 is lapped at the end of the straight beam 300 or the curved beam 400, so that the movable end pile beam 600 and the straight beam 300 or the curved beam 400 are in smooth transition.
The bottom of the joint plate 803 is connected with a guide rod, and a guide sleeve matched with the guide rod is arranged on the movable end buttress beam 600; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, the length direction of the guide groove and the motion direction of the lock pin form an included angle (namely on a vertical plane, one end of the guide groove is high, and the other end of the guide groove is low), and the electric push rod 801 pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift. When the locking mechanism performs locking operation, the lock pin advances and drives the joint plate 803 to move downwards; when the locking mechanism is unlocked, the lock pin retreats and drives the joint plate 803 to lift up.
The whole turnout switching action process is as follows:
when the turnout needs to be switched, the locking device is unlocked according to a switch instruction, after the unlocking is completed, the motor of the driving device operates to drive the swing arm to swing, the swing arm is L-shaped, the swing arm roller rolls in the guide grooves below the straight beam and the curved beam respectively, so that the straight beam and the curved beam are driven to rotate around the rotation points of the respective tail ends, the turnout is driven to stop running after the turnout is in place, the locking device is locked according to the locking instruction, and the turnout is switched.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A straddle type single-rail synchronous beam-changing turnout is characterized by comprising a straight beam, a curved beam, a trolley, a fixed-end buttress beam, a movable-end buttress beam, a driving device and a hinge shaft device; the fixed end buttress beam and the movable end buttress beam are arranged on a turnout foundation; the two fixed end stacked beams are respectively connected with the first end of the straight beam and the first end of the curved beam; the movable end buttress beam is connected with the second end of the straight beam or the second end of the curved beam; the bottoms of the straight beam and the curved beam are provided with a plurality of trolleys, and the trolleys are provided with rollers and can roll on the track of the turnout foundation rail; one end of the hinge shaft device is arranged on the turnout foundation, and the other end of the hinge shaft device is connected with the straight beam or the curved beam and is used as a rotating center of the straight beam or the curved beam;
the driving device is arranged on a turnout foundation, is a double-swing guide rod mechanism and comprises a motor, a speed reducer and a swing arm; the motor is connected with the input shaft of the speed reducer, the swing arm is L-shaped, the inflection point of the swing arm is connected with the output shaft of the speed reducer, two end points of the swing arm are connected with the rollers, the bottom of the straight beam is provided with a first guide groove, the bottom of the curved beam is provided with a second guide groove, the two rollers on the swing arm can roll in the first guide groove and the second guide groove respectively, and a gap is reserved between the roller of the swing arm and the first guide groove or the second guide groove.
2. The straddle-type monorail synchronous beam-changing turnout junction according to claim 1, wherein the hinge shaft device comprises a hinge shaft assembly, a rotating shaft assembly and a bearing; the hinge shaft assembly is fixedly installed on the turnout foundation, one end of the rotating shaft assembly is connected to a trolley at the bottom of the straight beam or the curved beam, and the other end of the rotating shaft assembly is rotatably connected with the hinge shaft assembly through a bearing.
3. The straddle type monorail synchronous beam-changing turnout junction according to claim 1 or 2, further comprising a locking device; the locking device comprises a locking groove, a locking pin and an electric push rod; the lock groove is arranged on the trolleys at the head ends of the straight beam and the curved beam; the lock pin and the electric push rod are arranged at the end part of the movable end buttress beam and connected, and when the straight beam or the curved beam is in butt joint with the movable end buttress beam, the electric push rod pushes the lock pin to be inserted into the lock groove of the movable end buttress beam.
4. The straddle-type monorail synchronous beam-changing turnout according to claim 3, further comprising a joint plate, wherein the joint plate is arranged at the end part of the movable end buttress beam, and when the straight beam or the curved beam is butted with the movable end buttress beam, the joint plate is lapped at the end part of the straight beam or the curved beam, so that the movable end buttress beam and the straight beam or the curved beam are in smooth transition.
5. The straddle type monorail synchronous beam-changing turnout junction according to claim 4, wherein a guide rod is connected to the bottom of the joint plate, and a guide sleeve matched with the guide rod is arranged on the movable-end buttress beam; the other end of the guide rod is connected with a guide block, and a guide groove plate with a guide groove is arranged on the lock pin; the guide block can move in the guide groove, an included angle is formed between the length direction of the guide groove and the motion direction of the lock pin, and the electric push rod pushes the lock pin to move along the horizontal direction and simultaneously drives the guide rod to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449068.XA CN112429036B (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail synchronous beam-changing turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449068.XA CN112429036B (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail synchronous beam-changing turnout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112429036A CN112429036A (en) | 2021-03-02 |
| CN112429036B true CN112429036B (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011449068.XA Active CN112429036B (en) | 2020-12-09 | 2020-12-09 | Straddle type single-rail synchronous beam-changing turnout |
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| CN (1) | CN112429036B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305748A (en) * | 2022-07-20 | 2022-11-08 | 中铁宝桥集团有限公司 | Straddle type single-track hyperbolic replacement beam turnout for tour and sightseeing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2765837Y (en) * | 2005-01-27 | 2006-03-22 | 重庆捷顺轨道交通技术有限公司 | Straddle type single-track railroad switch beam driving device |
| JP2011122387A (en) * | 2009-12-14 | 2011-06-23 | Hitachi Ltd | Straddling type monorail turnout |
| CN105155366B (en) * | 2015-08-07 | 2017-04-19 | 中铁工程设计咨询集团有限公司 | Replacing beam turnout structure and turnout switch method |
| CN205804056U (en) * | 2016-06-30 | 2016-12-14 | 中铁工程设计咨询集团有限公司 | A kind of split track switch |
| CN108589438B (en) * | 2018-05-15 | 2021-06-08 | 中国铁建重工集团股份有限公司 | Magnetic suspension turnout |
| CN109436026A (en) * | 2018-09-03 | 2019-03-08 | 通号万全信号设备有限公司 | A kind of buried Integral type electrohydraulic goat |
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- 2020-12-09 CN CN202011449068.XA patent/CN112429036B/en active Active
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| CN112429036A (en) | 2021-03-02 |
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