A type of suspended monorail turnout

By designing a compact suspended monorail traffic switch structure and adopting a swinging guide mechanism and a drive mechanism to drive the long and short point rails to switch efficiently, the problems of the existing switch structure being large in size, high in weight and low in switching efficiency are solved, and efficient and reliable switching operation and cost reduction are achieved.

CN117107559BActive Publication Date: 2025-10-28羿鹏轨道交通开发(上海)有限公司
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Patent Information

Application Number
CN202311111165.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-31
Publication Date
2025-10-28
Estimated Expiration
2043-08-31

AI Technical Summary

Technical Problem

Existing suspended monorail turnout structures are large in size, heavy in weight, have low switching efficiency, and have complex drive systems with poor reliability. Manufacturing, transportation, and installation are time-consuming and labor-intensive.

Method used

The box-structured turnout beam comprises a long and short point rails. The long point rail is swung by a swinging guide mechanism and a driving mechanism. Combined with a universal ball joint support and a rolling bearing seat, the short point rail is suspended. A single switch machine is used to drive the long and short point rails for efficient switching. The compact structure is designed to reduce size and weight.

Benefits of technology

It achieves efficient switching of long and short switch rails, with a single switching time of less than 5 seconds, reducing the size and weight of turnouts, reducing production and installation costs, and improving the safety and reliability of switch machines.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a suspended monorail turnout, comprising a turnout beam with a main line and a branch line. The turnout beam has a box structure with an outward-expanding cross-section at the waist. The main line is straight, and the branch line is curved. The turnout also includes: a long switch rail, horizontally suspended within the turnout beam, with its front end rotatably positioned at the intersection of the branch line and the main line. A swing guide mechanism is provided at the top of the rear end of the long switch rail, supporting it and forming a sliding connection with the turnout beam. A short switch rail, horizontally suspended at the waist of the turnout beam, has its front end movably connected to the web of the turnout beam via a universal ball joint support. A rolling support seat is fixed to the web of the turnout beam near the rear end of the short switch rail, supporting it and forming a multi-directional movable connection. A sway mechanism is provided at the top of the front end of the short switch rail to control its trajectory. This invention can reduce the weight of the turnout and improve switching efficiency.
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Description

Technical Field

[0001] This invention relates to the field of rail transit technology, and more specifically to a suspended monorail turnout. Background Technology

[0002] With the development of urban rail transit technology, suspended monorail transit has been widely used due to its advantages such as small turning radius, high climbing ability, energy saving, environmental protection, shock absorption, and fully automated operation. Suspended monorail transit track systems are generally elevated structures, typically composed of steel track beams, columns, turnouts, and connectors. The turnouts and track beams are mounted on the columns, which are then installed on foundations, with the vehicles running upside down beneath the track beams.

[0003] A turnout is a core component of a suspended monorail system, and its main function is to allow vehicles to switch from one track to another.

[0004] The current turnouts mainly include sliding turnouts and compensated ladder turnouts. The current turnout structure has the following disadvantages: 1. They are very large and heavy, and the cost is very high. The weight of sliding turnouts is over 100 tons, and the weight of ladder turnouts is over 60 tons; 2. The turnout switching efficiency is relatively low, with a switching time of 20-30 seconds; 3. The drive system is relatively complex, and multiple drive mechanisms need to work together to switch to the correct position, resulting in poor reliability; 4. The manufacturing, transportation and installation are all labor-intensive and time-consuming.

[0005] In view of this, it is necessary to improve the turnout structure in the existing technology to solve the above problems. Summary of the Invention

[0006] The purpose of this invention is to disclose a suspended monorail turnout to solve the above-mentioned technical problems.

[0007] To achieve the above objectives, the present invention provides a suspended monorail turnout, comprising a turnout beam having a main line and a branch line, wherein the turnout beam is a box structure with an outwardly expanding cross section at the waist, the main line is straight and the branch line is curved.

[0008] The turnout also includes:

[0009] A long switch rail is horizontally suspended within the turnout beam, and its front end is rotatably connected to the intersection of the branch line and the main line via a rotating shaft. The side of the long switch rail opposite the main line is a first straight guide side, and the side of the long switch rail opposite the branch line is a first curved guide side. The top of the rear end of the long switch rail is provided with a swing guide mechanism, which supports the switch rail and forms a sliding connection with the turnout beam.

[0010] A short switch rail is horizontally suspended at the waist of the turnout beam and has a second straight guide side and a second curved guide side. The front end of the short switch rail is movably connected to the web of the turnout beam through a universal ball joint support. A rolling support is fixed on the web of the turnout beam near the rear end of the short switch rail to support the short switch rail and form a multi-directional movable connection with it. A yaw mechanism is provided at the top of the front end of the short switch rail to control its movement trajectory.

[0011] Both the straight guide plate and the curved guide plate have two sets, which are arranged on the top plate and the running surface of the turnout beam to form a limiting and guiding engagement with the guide wheels of the bogie together with the long switch rail and the short switch rail;

[0012] The drive mechanism is fixed on the top wall of the turnout beam and is connected to the swing guide mechanism and the sway mechanism respectively. It is used to synchronously drive the long switch rail to swing and drive the short switch rail to change direction, so that the first straight guide side, the second straight guide side and the main line guide side are adjacent to each other and the guide side is adjacent to each other and the guide side is adjacent to each other and the guide side is adjacent to each other.

[0013] As a further improvement of the present invention, the linear guide plate is provided with a third linear guide side opposite to the second linear guide side;

[0014] The curved guide plate has a third curved guide side facing the second curved guide side.

[0015] As a further improvement of the present invention, the driving mechanism includes:

[0016] The switch machine is fixed to the top wall of the turnout beam, providing driving force for the long switch rail and the short switch rail, and detecting whether the long switch rail and the short switch rail have rotated into place;

[0017] A multi-stage gear transmission assembly is arranged on the top wall of the turnout beam, so that the swing guide mechanism and the yaw mechanism form a synchronous driving cooperation.

[0018] The first linkage mechanism is connected between the long switch rail and the detection rod of the switch machine;

[0019] The second linkage mechanism is connected between the short switch rail and the detection rod of the switch machine;

[0020] The multi-stage gear transmission assembly includes:

[0021] The driving wheel is connected to the central shaft of the driving wheel and the movable end of the drive rod of the switch machine via a third linkage mechanism.

[0022] The first driven wheel is driven in conjunction with the driving wheel, and its rotation center axis is connected to the swing guide mechanism;

[0023] The second driven wheel is driven in conjunction with the driving wheel, and its rotation center axis is connected to the oscillation mechanism.

[0024] As a further improvement of the present invention, the swing guide mechanism includes:

[0025] The slide rail is fixed to the top wall of the turnout beam, and the trajectory of the slide rail is arranged parallel to the swing direction of the long switch rail.

[0026] A reversing assembly, connected between the rotational center axis of the first driven wheel and the long pointed rail, is used to convert the rotation of the first driven wheel into the oscillation of the long pointed rail. The reversing assembly includes:

[0027] The rotating rod is fixedly connected to the rotation center axis of the first driven wheel, and a first guide wheel is rotatably provided at its outer end;

[0028] The commutator is fixed to the top of the long pointed rail and has a guide groove for the first guide wheel to slide and engage.

[0029] The second guide wheel is installed at the bottom of the steering wheel and slides in cooperation with the slide rail.

[0030] As a further improvement of the present invention, both the long switch rail and the short switch rail are truss structures, and their adjacent ends can be locked together;

[0031] The short switch rail includes:

[0032] The first guide frame is arranged on the side close to the curved track, and the second straight guide side is located on the side away from the waist web of the turnout beam. The two ends of the second straight guide side can be smoothly connected to the first straight guide side and the guide side of the main line, respectively.

[0033] The second guide frame is arranged on the side close to the straight track, and the second curved guide side is located on the side away from the waist web of the turnout beam. The two ends of the second curved guide side can be smoothly connected to the first curved guide side and the guide side of the branch line, respectively.

[0034] A crossbeam connecting frame is used to fix the top of the first guide frame and the second guide frame.

[0035] As a further improvement of the present invention, the oscillation mechanism includes:

[0036] An eccentric wheel is eccentrically connected to the rotation center shaft of the second driven wheel;

[0037] The first connecting rod is fixedly connected at one end to the outer edge of the eccentric wheel and at the other end to the short switch rail.

[0038] As a further improvement of the present invention, both the first guide frame and the second guide frame include an upper chord beam, a lower chord beam, and a web member connecting the upper chord beam and the lower chord beam; the upper chord beam and the lower chord beam are arranged in parallel.

[0039] As a further improvement of the present invention, four sets of rolling support seats are arranged, respectively located on opposite sides of the upper and lower chord beams of the first guide frame and the second guide frame, and the rolling support seats include:

[0040] The support is fixed to the web of the turnout beam.

[0041] The first roller is rotatably mounted on the support and slides in cooperation with the outer side of the upper or lower chord beam.

[0042] The second roller is rotatably mounted on the support and arranged perpendicularly to the first roller, and slides in contact with the bottom side of the upper chord beam or the top side of the lower chord beam.

[0043] As a further improvement of the present invention, it also includes a stop mechanism, of which four are arranged, all fixed on the web of the turnout beam and facing the intersection of the long switch rail and the short switch rail, for limiting the long switch rail and the short switch rail and providing lateral support force.

[0044] As a further improvement of the present invention, a first notch is provided at the top of the turnout beam body for the swing guide mechanism to connect with the top of the long switch rail, and a second notch is also provided at the top of the turnout beam body for the short switch rail portion to pass through and connect with the sway mechanism.

[0045] As a further improvement of the present invention, the universal ball joint support has two sets, respectively disposed between the first guide frame, the second guide frame and the web of the turnout beam, and the universal ball joint support includes:

[0046] The first mounting base is fixed to the outside of the guide frame;

[0047] The second mounting base is fixed to the web of the turnout beam, and the second mounting base is arranged above the first mounting base;

[0048] The support rod has ball joints at both ends, which are connected in a multi-directional manner to the grooves of the first mounting base and the second mounting base, respectively.

[0049] As a further improvement of the present invention, the rolling support seat is capable of providing the short switch rail with yaw movement in the front-back, up-down, and left-right directions.

[0050] Compared with the prior art, the present invention has the following beneficial effects:

[0051] (1) A suspended monorail turnout, wherein the long switch rail is suspended in the turnout beam body by means of a swing guide mechanism and is rotatably connected to the turnout beam body with a rotating shaft as the center. Under the drive of the drive mechanism, the swing guide mechanism can drive the long switch rail to deflect. At the same time, the short switch rail is suspended in the air by means of a universal ball joint support and a rolling support seat. The drive mechanism synchronously drives the cam deflection mechanism so that the short switch rail and the long switch rail can cooperate. The long switch rail and short switch rail structure adopted in this invention uses a single switch machine as the power unit for the rotating mechanism, which can realize efficient switching of the long switch rail and the short switch rail. The single switching time is less than or equal to 5s. The single switch machine is used for driving. The switch machine and the signal system can be fully integrated. At the same time, the long switch rail and the short switch rail are connected to the detection rod of the switch machine through the first linkage mechanism and the second linkage mechanism, respectively, which can realize the detection of whether the switching of the long switch rail and the short switch rail is in place, and can ensure the safety and reliability of the turnout.

[0052] (2) The present invention has a novel design and adopts a compact long and short switch rail structure, which greatly reduces the structural size of the turnout beam. Compared with the existing movable turnout and ladder type turnout, its size and weight are greatly reduced. The existing movable turnout weighs about 100 tons and the ladder type turnout weighs about 65 tons. The turnout of the present invention weighs less than 30 tons, which greatly reduces the production cost of the turnout, and at the same time reduces the cost of transportation and installation. Attached Figure Description

[0053] Figure 1 This is a three-dimensional structural schematic diagram of a suspended monorail turnout according to the present invention.

[0054] Figure 2 This is a top view schematic diagram of a suspended monorail turnout according to the present invention.

[0055] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0056] Figure 4 This is a schematic diagram showing the positional relationship between the swing guide mechanism, the cam tilting mechanism, and the multi-stage gear transmission group in a suspended monorail turnout of the present invention.

[0057] Figure 5 This is a schematic diagram showing the connection relationship between the switch machine, the first linkage mechanism, the second linkage mechanism, and the long switch rail and the short switch rail in a switch for a suspended monorail transit system according to the present invention.

[0058] Figure 6 This is a schematic diagram showing the positional relationship between the drive mechanism and the long switch rail and the short switch rail in a suspended monorail turnout of the present invention.

[0059] Figure 7 This is a schematic structural diagram of the long switch rail and the short switch rail in the turnout for suspended monorail traffic of the present invention, and the schematic diagram shows the positional relationship among the universal ball hinge support, the rolling support seat and the short switch rail;

[0060] Figure 8 This is a schematic structural diagram of the universal ball hinge support in the turnout for suspended monorail traffic of the present invention.

[0061] In the figure: 1a, main line; 1b, branch line; 1c, waist; 3, long switch rail; 4, short switch rail; 7, universal ball hinge support; 8, rolling support seat; 9, stop mechanism; 10, third curve guiding side; 11, third straight guiding side; 21, switch machine; 22, multi-stage gear transmission group; 23, first link mechanism; 24, second link mechanism; 25, third link mechanism; 31, rotating shaft; 41, first guiding frame; 42, second guiding frame; 43, crossbeam connecting frame; 51, slideway; 52, commutator disc; 53, rotating rod; 54, first guide wheel; 55, second guide wheel; 61, eccentric wheel; 62, first connecting rod; 71, first mounting seat; 72, second mounting seat; 73, support rod; 81, support; 82, first roller; 83, second roller; 101, first notch; 102, second notch; 211, driving rod; 212, detecting rod; 221, driving wheel; 222, first driven wheel; 223, second driven wheel; 301, first straight guiding side; 302, first curve guiding side; 401, second straight guiding side; 402, second curve guiding side; 411, upper chord beam; 412, lower chord beam; 413, web member; 520, guide groove. Detailed implementation manners

[0062] The present invention will be described in detail below with reference to the various implementation manners shown in the drawings. However, it should be noted that these implementation manners do not limit the present invention, and any equivalent transformation or substitution in terms of function, method or structure made by those of ordinary skill in the art according to these implementation manners shall fall within the protection scope of the present invention.

[0063] Please refer Figures 1 to 8 to a specific implementation manner of the turnout for suspended monorail traffic of the present invention shown.

[0064] Refer Figure 1 、 Figure 2 As shown, a turnout for suspended monorail traffic includes a turnout beam body having a main line 1a and a branch line 1b. The turnout beam body is an inner-empty box structure welded by steel plates, and the waist 1c has an outward-expanded cross-section with an increased cross-sectional dimension. The middle part of the bottom of the turnout beam body is provided with a discontinuous running surface; the main line 1a is straight, and the branch line 1b is curved;

[0065] Refer Figure 6As shown in the figure, the turnout further includes a long switch rail 3 and a short switch rail 4. The long switch rail 3 is horizontally suspended inside the turnout girder body, and its front end is rotationally connected to the intersection of the branch line 1b and the main line 1a through a vertically arranged rotating shaft 31. The side of the long switch rail 3 facing the main line 1a is the first straight guiding side 301, and the side of the long switch rail 3 facing the branch line 1b is the first curved guiding side 302. A swing guiding mechanism is provided at the top of the rear end of the long switch rail 3, and it is supported by the swing guiding mechanism and is slidably connected to the turnout girder body. The short switch rail 4 is horizontally suspended at the waist 1c position inside the turnout girder body, and has a second straight guiding side 401 and a second curved guiding side 402. The front end of the short switch rail 4 is movably connected to the web of the turnout girder body through a universal ball hinge support 7. A rolling support seat 8 is fixedly provided on the web of the turnout girder body near the rear end of the short switch rail 4, which is used to support the short switch rail 4 and form a multi-directional movable connection with the short switch rail 4. A yaw mechanism is provided at the top of the front end of the short switch rail 4, which is used to control the movement trajectory of the short switch rail 4. Both the long switch rail 3 and the short switch rail 4 are truss structures, and the adjacent ends can be locked together.

[0066] Specifically, the short switch rail 4 includes a first guiding frame 41, a second guiding frame 42, and a cross beam connecting frame 43. The first guiding frame 41 is arranged on the side close to the curved track, and the second straight guiding side 401 is located on the side背离 the web of the waist 1c of the turnout girder body. The two ends of the second straight guiding side 401 can be smoothly connected to the first straight guiding side 301 and the guiding side of the main line 1a respectively. The second guiding frame 42 is arranged on the side close to the straight track, and the second curved guiding side 402 is located on the side背离 the web of the waist 1c of the turnout girder body. The two ends of the second curved guiding side 402 can be smoothly connected to the first curved guiding side 302 and the guiding side of the branch line 1b respectively. Both the first guiding frame 41 and the second guiding frame 42 include an upper chord beam 411, a lower chord beam 412, and web members 413 connecting the upper chord beam 411 and the lower chord beam 412. The upper chord beam 411 and the lower chord beam 412 are arranged in parallel. The cross beam connecting frame 43 fixedly connects the tops of the first guiding frame 41 and the second guiding frame 42.

[0067] Refer Figure 7 As shown in the figure, it further includes straight guiding plates and curved guiding plates, both of which have two groups and are arranged on the top plate and the running surface of the turnout girder body, and are used to form a limiting guiding cooperation with the long switch rail 3 and the short switch rail 4 for the guiding wheels of the bogie. The straight guiding plate is provided with a third straight guiding side 11 facing the second straight guiding side 401. The curved guiding plate is provided with a third curved guiding side 10 facing the second curved guiding side 402.

[0068] Refer Figure 3 And Figure 4As shown in the figure, the driving mechanism is fixedly arranged on the top wall of the turnout beam body and is respectively connected to the swing guiding mechanism and the yaw mechanism, and is used to synchronously drive the long switch rail 3 to swing and drive the short switch rail 4 to change direction, so that the first straight guiding side 301, the second straight guiding side 401 and the guiding side of the main line 1a are in guiding and承接配合, or the first curve guiding side 302, the second curve guiding side 402 and the guiding side of the branch line 1b are in guiding and承接配合.

[0069] Specifically, the driving mechanism includes: a switch machine 21, a multi-stage gear transmission group 22, a first connecting rod mechanism 23, and a second connecting rod mechanism 24; among them, the switch machine 21, using S700K, is fixedly arranged on the top wall of the turnout beam body, provides driving force for the long switch rail 3 and the short switch rail 4, and detects whether the long switch rail 3 and the short switch rail 4 rotate in place, and its safety, turnout efficiency and reliability are better; the multi-stage gear transmission group 22 is arranged on the top wall of the turnout beam body to form a synchronous driving配合 between the swing guiding mechanism and the yaw mechanism; the first connecting rod mechanism 23 is connected between the detection rod 212 of the long switch rail 3 and the switch machine 21; the second connecting rod mechanism 24 is connected between the detection rod 212 of the short switch rail 4 and the switch machine 21;

[0070] Specifically, refer to Figure 4 As shown in the figure, the multi-stage gear transmission group 22 includes: a driving wheel 221, and the central axis of the driving wheel 221 is传动连接 with the movable end of the driving rod 211 of the switch machine 21 through a third connecting rod mechanism 25; a first driven wheel 222,传动配合 with the driving wheel 221, and the rotation central axis is connected to the swing guiding mechanism; a second driven wheel 223,传动配合 with the driving wheel 221, and the rotation central axis is connected to the yaw mechanism.

[0071] Refer to Figure 4 As shown in the figure, the swing guiding mechanism includes: a slideway 51, a commutation component, a rotating rod 53, a commutation disk 52 and a second guide wheel 55; among them, the slideway 51 is fixedly arranged on the top wall of the turnout beam body, and the trajectory of the slideway 51 is arranged parallel to the swing direction of the long switch rail 3; the commutation component is connected between the rotation central axis of the first driven wheel 222 and the long switch rail 3, and is used to convert the rotation of the first driven wheel 222 into the swing of the long switch rail 3. The commutation component includes: a rotating rod 53, fixedly connected to the rotation central axis of the first driven wheel 222, and a first guide wheel 54 is rotatably arranged at the outer end; a commutation disk 52 is fixedly arranged on the top of the long switch rail 3, and a guide groove 520 is opened for the first guide wheel 54 to slide配合; a second guide wheel 55 is installed at the bottom of the commutation disk 52 and slides配合 with the slideway 51.

[0072] The yaw mechanism includes: an eccentric wheel 61 and a first connecting rod 62; wherein, the eccentric wheel 61, the rotation center axis of the second driven wheel 223 is eccentrically connected to the eccentric wheel 61; the first connecting rod 62, one end is fixedly connected to the outer edge of the eccentric wheel 61, and the other end is fixedly connected to the short switch rail 4.

[0073] Refer Figure 7 As shown, four groups of rolling support seats 8 are arranged, respectively located on the opposite sides of the upper chord beam 411 and the lower chord beam 412 of the first guide frame 41 and the second guide frame 42. The rolling support seat 8 includes: a support 81, a first roller 82 and a second roller 83; wherein, the support 81 is fixedly arranged on the web of the turnout beam body; the first roller 82 is rotatably arranged on the support 81 and is in sliding fit with the outer side of the upper chord beam 411 or the lower chord beam 412; the second roller 83 is rotatably arranged on the support 81, is arranged perpendicular to the first roller 82, and is in sliding fit with the bottom side of the upper chord beam 411 or the top side of the lower chord beam 412. The rolling support seat 8 can provide yaw activities for the short switch rail 4 in the front and back, up and down, left and right directions.

[0074] Refer Figure 6 And Figure 8 As shown, there are two groups of universal ball hinge support members 7, which are respectively arranged between the first guide frame 41, the second guide frame 42 and the web of the turnout beam body. The universal ball hinge support member 7 includes: a first mounting seat 71, a second mounting seat 72 and a support rod 73; wherein, the first mounting seat 71 is fixedly arranged on the outside of the guide frame; the second mounting seat 72 is fixedly arranged on the web of the turnout beam body, and the second mounting seat 72 is arranged above the first mounting seat 71; both ends of the support rod 73 are ball head shaft structures and are respectively connected to the grooves of the first mounting seat 71 and the second mounting seat 72 to form a multi-directional movable connection.

[0075] Refer Figure 6 As shown, it further includes a stop mechanism 9, which is arranged in four numbers, all fixedly arranged on the web of the turnout beam body, and is arranged towards the intersection of the long switch rail 3 and the short switch rail 4, and is used to limit the long switch rail 3 and the short switch rail 4 and provide a lateral support force. A shock-absorbing component is arranged on the stop mechanism 9. As a preference, shock-absorbing materials such as rubber can be used. The stop mechanism 9 can support and limit the long switch rail 3 and the short switch rail 4 to ensure the safety of turning. As a preference, the stop mechanism 9 can adopt a portal or I-shaped structure, its bottom is connected to the web of the turnout beam body by bolts, and a rubber plate is installed on the other side to achieve a shock-absorbing effect.

[0076] To ensure the safety of personnel, a protective railing is arranged on the top of the turnout beam body; to ensure the durability of the equipment, a protective cover is arranged at the driving mechanism part. Refer Figure 5As shown, a first notch 101 is provided at the top of the turnout beam for the swing guide mechanism to connect with the top of the long switch rail 3. A second notch 102 is also provided at the top of the turnout beam for the short switch rail 4 to pass through and connect with the sway mechanism. A shock absorber is provided at the rotating end of the long switch rail 3, and the shock absorber is installed on both sides of the turnout beam; a shock absorber is also provided at the end of the short switch rail 4, and the shock absorber is installed on the top surface of the turnout beam.

[0077] A method for using a suspended monorail turnout includes the following steps: When the main line 1a of the bogie is open to traffic, the switch machine 21 of the drive mechanism drives the multi-stage gear transmission group 22 to synchronously drive the swing guide mechanism and the cam swing mechanism to move, resulting in the following actions: the long switch rail 3 swings, with the front end of the long switch rail 3 as the pivot point and the rear end driven by the swing guide mechanism, so that the first straight guide side 301 smoothly connects with the guide side of the main line 1a; the short switch rail 4 reverses direction, under the action of the cam swing mechanism, the short switch rail 4 can swing back and forth, up and down, and left and right in the direction of the rolling support seat 8 as the movable pivot point, so that one end of the second straight guide side 401 smoothly connects with the first straight guide side 301, and the other end smoothly connects with the guide side of the main line 1a of the turnout beam; the guide wheel on one side of the bogie successively engages with the web plate and the straight guide plate of the turnout beam, and the guide wheel on the other side successively engages with the first straight guide side 301 and the second straight guide side 401;

[0078] When the shunting branch line 1b is opened to traffic, the drive mechanism drives the long switch rail 3 to swing in the opposite direction, so that the first curved guide side 302 smoothly connects with the guide side of the branch line 1b. At the same time, the drive mechanism drives the short switch rail 4 to reverse direction, so that one end of the second curved guide side 402 smoothly connects with the first curved guide side 302, and the other end smoothly connects with the guide side of the branch line 1b of the turnout beam. The guide wheel on one side of the shunting frame successively engages with the web of the turnout beam and the curved guide plate, and the guide wheel on the other side successively engages with the first curved guide side 302 and the second curved guide side 402.

[0079] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A suspended monorail turnout, comprising a turnout beam having a main line and a branch line, wherein the turnout beam is a box structure with an outwardly expanding cross section at the waist, the main line is straight and the branch line is curved; Its features are, The turnout also includes: The long switch rail is horizontally suspended within the turnout beam, with its front end rotatably positioned at the intersection of the branch line and the main line. The side of the long switch rail opposite the main line is the first straight guide side, and the side of the long switch rail opposite the branch line is the first curved guide side. The top of the rear end of the long switch rail is provided with a swing guide mechanism, which supports the switch rail and forms a sliding connection with the turnout beam. A short switch rail is horizontally suspended at the waist of the turnout beam and has a second straight guide side and a second curved guide side. The front end of the short switch rail is movably connected to the web of the turnout beam through a universal ball joint support. A rolling support is fixed on the web of the turnout beam near the rear end of the short switch rail to support the short switch rail and form a multi-directional movable connection with it. A yaw mechanism is provided at the top of the front end of the short switch rail to control its movement trajectory. Both the straight guide plate and the curved guide plate have two sets, which are arranged on the top plate and the running surface of the turnout beam to form a limiting and guiding engagement with the guide wheels of the bogie together with the long switch rail and the short switch rail; The drive mechanism is fixed on the top wall of the turnout beam and is connected to the swing guide mechanism and the sway mechanism respectively. It is used to synchronously drive the long switch rail to swing and drive the short switch rail to change direction, so that the first straight guide side, the second straight guide side and the main line guide side are adjacent to each other and the guide side is adjacent to each other and the guide side is adjacent to each other and the guide side is adjacent to each other. There are four stop mechanisms, all of which are fixed on the web of the turnout beam and are arranged towards the intersection of the long switch rail and the short switch rail. They are used to limit the long switch rail and the short switch rail and provide lateral support force. The top of the turnout beam has a first notch for the swing guide mechanism to connect with the top of the long switch rail. The top of the turnout beam also has a second notch for the short switch rail to pass through and connect with the sway mechanism.

2. A suspended monorail turnout according to claim 1, characterized in that, The linear guide plate is provided with a third linear guide side opposite to the second linear guide side; The curved guide plate has a third curved guide side facing the second curved guide side.

3. A suspended monorail turnout according to claim 1, characterized in that, The drive mechanism includes: The switch machine is fixed to the top wall of the turnout beam, providing driving force for the long switch rail and the short switch rail, and detecting whether the long switch rail and the short switch rail have rotated into place; A multi-stage gear transmission assembly is arranged on the top wall of the turnout beam, so that the swing guide mechanism and the yaw mechanism form a synchronous driving cooperation. The first linkage mechanism is connected between the long switch rail and the detection rod of the switch machine; The second linkage mechanism is connected between the short switch rail and the detection rod of the switch machine; The multi-stage gear transmission assembly includes: The driving wheel is connected to the central shaft of the driving wheel and the movable end of the drive rod of the switch machine via a third linkage mechanism. The first driven wheel is driven in conjunction with the driving wheel, and its rotation center axis is connected to the swing guide mechanism; The second driven wheel is driven in conjunction with the driving wheel, and its rotation center axis is connected to the oscillation mechanism.

4. A suspended monorail turnout according to claim 3, characterized in that, The swing guide mechanism includes: The slide rail is fixed to the top wall of the turnout beam, and the trajectory of the slide rail is arranged parallel to the swing direction of the long switch rail. A reversing assembly, connected between the rotational center axis of the first driven wheel and the long pointed rail, is used to convert the rotation of the first driven wheel into the oscillation of the long pointed rail. The reversing assembly includes: The rotating rod is fixedly connected to the rotation center axis of the first driven wheel, and a first guide wheel is rotatably provided at its outer end; The commutator is fixed to the top of the long pointed rail and has a guide groove for the first guide wheel to slide and engage. The second guide wheel is installed at the bottom of the steering wheel and slides in cooperation with the slide rail.

5. A suspended monorail turnout according to claim 1, characterized in that, Both the long switch rail and the short switch rail are truss structures, and their adjacent ends can be locked together; The short switch rail includes: The first guide frame is arranged on the side close to the curved branch line, and the second straight guide side is located on the side away from the waist web of the turnout beam. The two ends of the second straight guide side can be smoothly connected to the first straight guide side and the guide side of the main line, respectively. The second guide frame is arranged on the side close to the straight main line, and the second curved guide side is located on the side away from the waist web of the turnout beam. The two ends of the second curved guide side can be smoothly connected to the first curved guide side and the guide side of the branch line, respectively. A crossbeam connecting frame is used to fix the top of the first guide frame and the second guide frame.

6. A suspended monorail turnout according to claim 1, characterized in that, The yaw mechanism includes: An eccentric wheel is eccentrically connected to the rotation center shaft of the second driven wheel; The first connecting rod is fixedly connected at one end to the outer edge of the eccentric wheel and at the other end to the short switch rail.

7. A suspended monorail turnout according to claim 5, characterized in that, Both the first guide frame and the second guide frame include an upper chord beam, a lower chord beam, and a web member connecting the upper chord beam and the lower chord beam; the upper chord beam and the lower chord beam are arranged in parallel.

8. A suspended monorail turnout according to claim 7, characterized in that, The rolling support seats are arranged in four groups, respectively located on the opposite sides of the upper and lower chord beams of the first guide frame and the second guide frame. The rolling support seats include: The support is fixed to the web of the turnout beam. The first roller is rotatably mounted on the support and slides in cooperation with the outer side of the upper or lower chord beam. The second roller is rotatably mounted on the support and arranged perpendicularly to the first roller, and slides in contact with the bottom side of the upper chord beam or the top side of the lower chord beam.

Citation Information

Patent Citations

  • Using method of suspension type monorail traffic turnout

    CN117090085A

  • Suspension type monorail traffic turnout

    CN221072102U