阅读说明：本技术 一种悬挂式永磁磁浮轨道道岔 (Suspension type permanent magnetism magnetic levitation track switch ) 是由 占鹏飞 杨杰 邓永芳 于 2019-09-27 设计创作，主要内容包括：本发明提供一种悬挂式永磁磁浮轨道道岔,其通过直线电机定子系统中的固定模块固定在天梁顶部,利用液压活塞杆推动相应连接板上的移动模块一和移动模块二在天梁顶部发生移动,从而对轿厢运动方向进行调整。本发明能够通过控制不同移动模块与固定模块形成不同回路,使得悬挂式永磁磁浮轨道灵活的进行切换。本发明结构简单,工程量小,能够灵活完成道岔任务。(The invention provides a suspension type permanent magnetic suspension track turnout which is fixed at the top of a roof beam through a fixed module in a linear motor stator system, and a first moving module and a second moving module on corresponding connecting plates are pushed by a hydraulic piston rod to move at the top of the roof beam, so that the moving direction of a lift car is adjusted. The invention can control different moving modules and fixed modules to form different loops, so that the suspended permanent magnetic suspension track can be flexibly switched. The turnout junction device is simple in structure, small in engineering quantity and capable of flexibly completing turnout junction tasks.)

1. A suspension permanent magnetic suspension track turnout comprises a top beam (100), a linear motor stator system and a side plate moving system, and is characterized in that,

the roof beam (100) is connected with the sideboard moving system, is suspended above the ground and is provided with a downward opening, a gap is also formed in the side wall of the roof beam (100) corresponding to the switch position of the turnout, and a magnetic track (101) is distributed in the middle position inside the roof beam (100);

the linear motor stator system is arranged inside or above the top beam (100), and comprises: the linear motor stator fixing device comprises a linear motor stator fixing module (201), a moving module I (202) and a moving module II (203), wherein the fixing module (201) is fixed at the middle position inside a top beam (100), an interval is arranged in the fixing module (201) corresponding to a turnout switching position, and the fixing module (201) in front of the interval and the fixing module (201) behind the interval are respectively connected with magnetic tracks (101) corresponding to two loops; the first moving module (202) or the second moving module (203) is arranged inside the top beam (100) and is positioned on the left side or the right side of an interval arranged in the fixed module (201) corresponding to a switch switching position, the upper ends of the first moving module (202) and the second moving module (203) are also connected with a driving system, the driving system drives the first moving module (202) and the second moving module (203) to translate towards the left side or the right side along the width direction of the top beam (100), after the first moving module (202) or the second moving module (203) translates towards the left side or the right side, the front and the rear of the first moving module (202) or the second moving module (203) are respectively aligned and connected with the fixed modules (201) in front of the interval and behind the interval, and the fixed modules (201) in front of the interval and behind the interval are connected to the magnetic tracks (101) in two loops, the magnetic tracks (101) in the two loops are communicated by the fixed module (201) and the corresponding moving module I (202) or the moving module II (203) to form a passage;

the sideboard moving system comprises: remove sideboard, ball screw (330) and pneumatic cylinder, wherein, the shape that removes the sideboard corresponds with the breach of roof beam (100) lateral wall, the inboard of the lateral wall that removes the sideboard has sideboard magnetic track (340) still, remove module one (202) when removing module two (203) left or right translation, the removal sideboard of translation direction homonymy by ball screw (330) and pneumatic cylinder drive, and corresponding translation extremely with correspond the lateral wall parallel and level of translation direction homonymy in roof beam (100), remove the sideboard with the lateral wall combination of roof beam (100) the switch shift position is connected and is formed the passageway.

2. The turnout of the suspension type permanent magnetic suspension track according to claim 1, wherein the top of the top beam (100) is provided with a groove along the width direction; the driving system in the linear motor stator system comprises: a guide rail (208), a hydraulic cylinder, a slide block (209) and a connecting plate (210); the guide rail (208) is fixed at the upper part of the top beam (100) along the width direction thereof; the hydraulic cylinder is connected with a support, the support is fixed at two ends of a guide rail (208) at the upper part of the overhead beam (100), and a piston rod of the hydraulic cylinder is fixedly connected with a connecting plate (210) arranged on the guide rail along the direction of the guide rail (208); the sliding blocks (209) are respectively fixed to the lower portions of the connecting plates (210), the lower portions of the sliding blocks (209) are connected with the first moving module (202) or the second moving module (203), the first moving module (202) and the connecting plates (210) and the second moving module (203) and the connecting plates (210) are respectively fixedly connected through screws, the screws extend into a groove body in the top of the top beam (100) and can move in the groove body, the hydraulic cylinders drive the connecting plates (210), and the connecting plates (210) drive the sliding blocks (209) on the lower sides of the connecting plates and the first moving module (202) or the second moving module (203) connected below the sliding blocks (209) to move in a left-side or right-side mode in the top beam (100) along the groove body.

3. The suspended permanent magnet magnetic levitation track switch as claimed in claim 1, wherein the sideboard moving system further comprises a column (320); the ball screw (330) comprises a motor, a screw rod and a side plate sliding block (209); the upright post (320) is fixed on the ground and located on two sides of the top beam (100), the ball screw is fixed on the upright post (320), the motor drives the screw rod to push the side plate sliding block (209) on the screw rod to move up and down, one end of the hydraulic cylinder is fixed on the sliding block (209), and the other end of the hydraulic cylinder is fixedly connected with the movable side plate to push the movable side plate to retract or extend.

4. A suspended permanent magnetic levitation track switch as claimed in claim 1 wherein the length of the sideboard track (340) on the moving sideboard does not exceed the length of the moving sideboard; the movable side plate comprises a first side plate, a second side plate, a third side plate and a fourth side plate.

5. A suspended permanent magnetic levitation track switch as claimed in any one of claims 1-3, characterized in that: when the linear motor needs to advance along the linear track, the control system firstly controls the linear motor stator system to enable the motor stator moving module I (202) to be aligned with the motor stator fixing module (201) to form a loop; and secondly, controlling the side plate moving system to work, and enabling the moving side plate to be in butt joint with the gap of the top beam (100) to form a passage, thereby ensuring the linear passing of the suspended vehicle.

6. A suspended permanent magnetic levitation track switch as claimed in any one of claims 1-3, characterized in that: when the vehicle needs to advance along a curved track, the control system firstly controls the linear motor stator system to enable the motor stator moving module II (203) and the motor stator fixing module (201) to be aligned to form a loop; and secondly, controlling the side plate moving system to work, and enabling the first side plate and the second side plate to be in butt joint with the gap of the top beam (100) to form a passage, thereby ensuring the passage of the suspended vehicle at the curve.

7. The suspension type permanent magnetic suspension track turnout of claims 1-5 is utilized, and is characterized in that: when a straight line turnout needs to be carried out, the hydraulic cylinder drives the first side plate to retract firstly, then the ball screw (330) controls the first side plate to move upwards, so that the second side plate is controlled to move downwards firstly and then retract, after the first side plate and the second side plate are separated from the top beam (100), the third side plate is controlled to move downwards firstly and then extend out, and meanwhile, the fourth side plate is controlled to extend out firstly and then move upwards, so that the third side plate and the fourth side plate form a straight line path with the top beam (100).

8. The suspension type permanent magnetic suspension track turnout of claims 1-5 is utilized, and is characterized in that: when a curve turnout needs to be carried out, the hydraulic cylinder drives the third side plate to retract firstly, and then the ball screw (330) controls the third side plate to move upwards; meanwhile, correspondingly controlling the fourth side plate to move downwards firstly and then retract, and controlling the first side plate to move downwards and then extend out after the third side plate and the fourth side plate are separated from the top beam (100); meanwhile, the second side plate is controlled to extend out first and then move upwards; so that the first side plate and the second side plate form a straight path with the top beam (100).

Technical Field

The invention relates to the technical field of rail transit, in particular to a suspension type permanent magnetic levitation turnout system.

Background

Chinese patent application 109056431a discloses a suspension type permanent magnet magnetic levitation track traffic system (published as 2018-12-21), which is a novel medium-low speed magnetic levitation traffic system, comprising a vertical column, a top beam, a levitation system, a linear motor, a guidance system, a bogie, and a car, wherein the vertical column is erected on the ground about 10 m high, the top beam is installed on the vertical column and suspended in the air, the levitation system, the linear motor, the guidance system, the bogie and a safety guarantee system are all arranged in the top beam, the car is suspended below the bogie, and repulsion force is generated by interaction between a permanent magnet array fixed on a supporting arm at the inner side of the top beam and a permanent magnet array installed at the lower end of the bogie, thereby providing levitation force for the bogie. The top of the bogie is provided with a linear motor stator part, and the upper wall of the inner side of the top beam is provided with a linear motor rotor (induction plate). Through armature windings on the motor and the induction plate laid on the top of the roof beam, the windings generate a traveling wave magnetic field under the control of the inverter, and electromagnetic traction force is induced on the induction plate to push a carriage to move. And horizontal wheel sets are arranged on the left side and the right side of the bogie for guiding. But the traffic system is temporarily unable to achieve track forking.

The turnout is an essential part of any maglev traffic system, and the current maglev turnout is mainly realized by utilizing the bending deformation of a turnout beam or a guide rail cross sliding type, such as patents CN2782502Y and CN107326753A, the engineering quantity of the structure is large, the debugging is difficult, and the train has large impact when passing through the turnout, thereby influencing the running stability of the train.

Chinese patent application 201910564772.0 discloses a suspension type permanent magnetic levitation turnout system, in which a turnout beam is laid on the top of a roof beam, a car and a bogie are suspended on the turnout beam at the time of turnout, and the bifurcation is realized by changing the position of the turnout beam, and the method affects the running speed at the time of turnout.

Disclosure of Invention

The invention aims to provide a suspension type permanent magnetic suspension turnout system which is simple in structure, convenient to install and maintain, safe and reliable, capable of eliminating impact when a train passes through, capable of ensuring the running stability of the train and free of influencing the running speed of the train.

In order to achieve the purpose, the invention adopts the following technical scheme:

a suspension type permanent magnetic levitation track turnout comprises a top beam, a linear motor stator system and an edge plate moving system, wherein the top beam is connected with the edge plate moving system, is suspended above the ground and is provided with a downward opening, a notch is further formed in the side wall of the top beam corresponding to the switching position of the turnout, and a magnetic track is distributed in the middle position inside the top beam; the linear electric motor stator system is arranged in or above the top beam and comprises: the linear motor comprises a stator fixing module, a first moving module and a second moving module, wherein the fixing module is fixed at the middle position inside a top beam, intervals are arranged in the fixing module corresponding to switch positions of turnouts, and the fixing module in front of the intervals and the fixing module behind the intervals are respectively connected with magnetic tracks corresponding to two loops; the first moving module or the second moving module is arranged in the top beam and is positioned on the left side or the right side of the interval arranged in the fixed module corresponding to the switch position of the turnout, the upper ends of the first moving module and the second moving module are also connected with a driving system, the driving system drives the first moving module and the second moving module to translate to the left side or the right side along the width direction of the top beam, after the first moving module or the second moving module translates towards the left side or the right side, the front and the rear of the first moving module or the second moving module are respectively aligned and connected with the fixed modules at the front of the interval and at the rear of the interval, the fixed modules at the front and the rear of the interval are connected with the magnetic tracks in the two loops, the fixed modules and the corresponding moving modules I or the moving modules II are communicated between the magnetic tracks in the two loops to form a passage; the sideboard moving system comprises: remove sideboard, ball screw and pneumatic cylinder, wherein, the shape that removes the sideboard corresponds with the breach of roof beam lateral wall, the inboard of the lateral wall that removes the sideboard still has the sideboard magnetic track, remove module one when removing module two left or right translations, the removal sideboard of translation direction homonymy by ball screw and pneumatic cylinder drive, and corresponding translation extremely with the lateral wall parallel and level of corresponding translation direction homonymy in the roof beam, remove the sideboard with the lateral wall combination of roof beam the switch shift position is connected and is formed the passageway.

Optionally, in the suspension type permanent magnetic levitation track turnout, a groove is formed in the top of the overhead beam along the width direction of the overhead beam; the driving system in the linear motor stator system comprises: the device comprises a guide rail, a hydraulic cylinder, a slide block and a connecting plate; the guide rail is fixed at the upper part of the top beam along the width direction of the top beam; the hydraulic cylinder is connected with a support, the support is fixed at two ends of a guide rail at the upper part of the overhead beam, and a piston rod of the hydraulic cylinder is fixedly connected with the connecting plate arranged on the guide rail along the direction of the guide rail; the lower part of each connecting plate is fixed with the slider respectively, the sub-unit connection of slider remove module one or remove module two, remove module one with between the connecting plate, remove module two with by screw rod fixed connection respectively between the connecting plate, the screw rod stretches into the cell body at roof beam top can remove in the cell body, the pneumatic cylinder drive the connecting plate, the connecting plate drives its downside slider and slider down be connected remove module one or remove module two along the cell body is in to left side or right side translation in the roof beam.

Optionally, the suspension type permanent magnetic levitation track turnout comprises a side plate moving system and a vertical column; the ball screw comprises a motor, a screw rod and a side plate slide block; the upright post is fixed on the ground and positioned on two sides of the top beam, the ball screw is fixed on the upright post, the motor drives the screw rod to push the side plate slide block on the screw rod to move up and down, one end of the hydraulic cylinder is fixed on the slide block, and the other end of the hydraulic cylinder is fixedly connected with the movable side plate to push the movable side plate to retract or extend.

Optionally, in the suspension type permanent magnetic levitation track turnout, the length of the sideboard magnetic track on the movable sideboard does not exceed the length of the movable sideboard; the movable side plate comprises a first side plate, a second side plate, a third side plate and a fourth side plate.

Optionally, above-mentioned suspension type permanent magnetism magnetic levitation track switch, wherein: when the linear motor needs to advance along the linear track, the control system firstly controls the linear motor stator system to enable the first motor stator moving module to be aligned with the first motor stator fixing module to form a loop; and secondly, controlling the side plate moving system to work, and enabling the moving side plate to be in butt joint with the gap of the top beam to form a passage, thereby ensuring the straight line of the suspended vehicle to pass.

Optionally, above-mentioned suspension type permanent magnetism magnetic levitation track switch, wherein: when the vehicle needs to advance along the curved track, the control system firstly controls the linear motor stator system to enable the motor stator moving module II and the motor stator fixing module to be aligned to form a loop; and secondly, controlling the side plate moving system to work, and enabling the first side plate and the second side plate to be in butt joint with the gap of the top beam to form a passage, so that the passage of the suspended vehicle at the curve is ensured.

Optionally, above-mentioned suspension type permanent magnetism magnetic levitation track switch, wherein: when a straight line turnout needs to be carried out, the hydraulic cylinder drives the first side plate to retract firstly, then the ball screw controls the first side plate to move upwards, and meanwhile, the second side plate is controlled to move downwards firstly and then retract, after the first side plate and the second side plate are separated from the top beam, the third side plate is controlled to move downwards and then extend out, and meanwhile, the fourth side plate is controlled to extend out firstly and then move upwards, so that the third side plate, the fourth side plate and the top beam form a straight line path.

Optionally, above-mentioned suspension type permanent magnetism magnetic levitation track switch, wherein: when a curve turnout needs to be carried out, the hydraulic cylinder drives the third side plate to retract firstly, and then the ball screw controls the third side plate to move upwards; meanwhile, correspondingly controlling the fourth side plate to move downwards firstly and then retract, and after the third side plate and the fourth side plate are separated from the top beam, controlling the first side plate to move downwards and then extend out; meanwhile, the second side plate is controlled to extend out first and then move upwards; so that the first side plate and the second side plate form a linear passage with the top beam.

The invention has the beneficial effects that:

1) a fixed module in a linear motor stator system is fixed at the top of a top beam, a first moving module and a second moving module can move at the top of the top beam, and different moving modules and the fixed module can be controlled to form different loops according to the moving direction of a lift car.

2) The shapes of the four movable side plates correspond to the notch parts of the turnout top beam one by one, and different side plates and the top beam can be controlled to be in seamless butt joint according to the movement direction of the lift car to form a passage, so that the turnout task is completed.

3) The invention has simple structure and small engineering quantity, and can realize the turnout of the suspension type permanent magnetic levitation track traffic system.

Drawings

FIG. 1 is a schematic view of a top sill structure;

FIG. 2 is a schematic top view of a top sill;

FIG. 3 is a schematic connection diagram of a linear motor stator moving module;

FIG. 4 is a schematic top view of the position of the side plates along a straight switch.

Fig. 5 is a schematic view of the position of the side plates along a straight switch from the bottom.

Fig. 6 is a schematic view of the motor stator butt joint along the linear track turnout.

Fig. 7 is a schematic diagram of motor stator butt joint along a curved track turnout.

FIG. 8 is a schematic top view of the position of the side plates along a curved switch.

FIG. 9 is a schematic view of the position of the side plates along the turnout of a curve viewed from above.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.

The present embodiment aims at providing a suspended permanent magnetic levitation track turnout structure and method, as shown in fig. 1-9, including a top beam 100, a linear motor stator system, and a sideboard moving system, where the top beam is in an inverted "U" shape in cross section and suspended in the air, and magnetic tracks 101 are distributed inside the top beam;

the linear motor stator system is arranged inside or above the top beam 100, the sideboard moving system is arranged outside the top beam 100,

specifically, in this embodiment, as shown in fig. 1-3, the top rail 100 is notched at the side of the switch section and has a slot at the top.

The linear motor stator system comprises a fixed module 201, a first moving module 202, a second moving module 203, a first hydraulic cylinder 204, a second hydraulic cylinder 205, a third hydraulic cylinder 206, a fourth hydraulic cylinder 207, a guide rail 208, a sliding block 209, a connecting plate 210, a bracket 211 and a screw rod 212; the fixed module 201 is fixed on the top of the roof beam 100; the first to fourth hydraulic cylinders are fixed above the top beam 100 through a support 211, and piston rods of the hydraulic cylinders are fixedly connected with a connecting plate 210; the connecting plate 210 is fixedly connected with the sliding block 209; the first moving module 202 and the second moving module 203 are fixed on corresponding connecting plates 210 through screws 212, and the screws 212 can move in grooves formed in the top beam 100; the first moving module 202 and the second moving module 203 can move on the top of the roof beam 100 and can form different loops with the fixed module 201;

as shown in fig. 4-5, the side plate moving system includes a first side plate 301, a second side plate 302, a third side plate 303, a fourth side plate 304, a fifth hydraulic cylinder 305, a sixth hydraulic cylinder 306, a seventh hydraulic cylinder 307, an eighth hydraulic cylinder 308, a first motor 309, a second motor 310, a third motor 311, a fourth motor 312, a vertical column 320, a ball screw 330, and a slide block 331;

the upright column 320 is fixed on the ground; the first motor, the second motor, the third motor, the fourth motor and the fourth motor are fixed at the top end of the upright post 320 and connected with the ball screw 330; the ball screw 330 and the slide block 331 are matched to form a ball screw pair; the fifth to eighth hydraulic cylinders are all fixed on the corresponding slide blocks 331, and piston rods of the fifth to eighth hydraulic cylinders are respectively connected with the first to fourth side plates; the shape of the first to fourth side plates is the same as the shape of the gap of the top beam 100, and a side plate magnetic track 340 is fixed on the first to fourth side plates.

When the vehicle needs to move forwards along the linear track, the control system firstly controls the first hydraulic cylinder 204 and the second hydraulic cylinder 205 to retract, and at the moment, the second moving module 203 is separated from the fixed module 201; then the control system controls the third hydraulic cylinder 206 and the fourth hydraulic cylinder 207 to move, so that the piston rods of the third hydraulic cylinder and the fourth hydraulic cylinder extend out, thereby driving the first moving module 202 to move, when the first moving module and the first fixed module are aligned with the fixed module 201, the third hydraulic cylinder 206 and the fourth hydraulic cylinder 207 stop moving, and at this time, the first moving module 202 and the fixed module 201 form a loop, and the position condition is as shown in fig. 6.

After the first moving module 202 and the fixed module 201 form a loop, the control system controls the third motor 311 and the fourth motor 312 to start to act and drives the seventh hydraulic cylinder 307 and the eighth hydraulic cylinder 308 to move, and when the first moving module and the fixed module move to a specified position, the control system stops working; then the control system controls the seven hydraulic cylinder 307 and the eight hydraulic cylinder 308 to act, the piston rods of the seven hydraulic cylinder and the eight hydraulic cylinder extend out, the seven hydraulic cylinder and the eight hydraulic cylinder stop working when the seven hydraulic cylinder and the eight hydraulic cylinder extend out to a specified position, the third side plate 303 and the fourth side plate 304 of the side plates just fill up the gap of the top beam 100, the magnetic track 340 of the side plates is flush with the magnetic track 101 to form a linear passage at the moment, so that the turnout work is completed, the first side plate 301 and the second side plate 302 are suspended outside the top beam at the moment, and the turnout state is.

When the vehicle needs to move forwards along a curved track, the control system firstly controls the third hydraulic cylinder 206 and the fourth hydraulic cylinder 207 to move, so that piston rods of the third hydraulic cylinder and the fourth hydraulic cylinder are retracted, and the first movable module 202 is driven to be separated from the fixed module 201; then the control system controls the first hydraulic cylinder 204 and the second hydraulic cylinder 205 to move, so that the piston rods of the first hydraulic cylinder 204 and the second hydraulic cylinder 205 extend to drive the second movable module 203 to move, when the first hydraulic cylinder 204 and the second hydraulic cylinder 205 stop moving when the first hydraulic cylinder 204 and the second hydraulic cylinder 205 move to be aligned with the fixed module 201, at this time, the second movable module 203 and the fixed module 201 form a loop, and the position situation is as shown in fig. 7.

After the second moving module 203 and the fixed module 201 form a loop, the control system controls the eighth hydraulic cylinder 308 to move, so that the piston rod of the eighth hydraulic cylinder 308 retracts, the third side plate 303 is driven to retract to be separated from the top beam 100, and then the third motor 311 moves to drive the eighth hydraulic cylinder 308 and the third side plate 303 to move upwards; therefore, the fourth motor 312 starts to operate at the same time, the seventh hydraulic cylinder 307 and the fourth side plate 304 are driven to move downwards, the fourth side plate 304 is separated from the top beam 100, then the seventh hydraulic cylinder 307 starts to operate, the piston rod retracts, and the fourth side plate 304 is driven to retract.

After the third side plate 303 and the fourth side plate 304 are separated from the top beam and retract, the control system starts to control the sixth hydraulic cylinder 306 to act, the piston rod extends out, and after the piston rod reaches a specified position, the second motor 310 starts to work to drive the sixth hydraulic cylinder 306 and the second side plate 302 to move upwards, and when the piston rod moves to a specified position, the second motor 310 stops working; at the same time, the ninth motor 309 starts to work to drive the fifth hydraulic cylinder 305 and the first side plate 301 to move downwards, the ninth motor 309 stops working when the ninth motor moves to a specified position, then the fifth hydraulic cylinder 305 starts to work, the piston rod extends out, and the ninth motor stops working when the ninth motor moves to the specified position. At this time, the first side plate 301 and the second side plate 302 just fill the gap of the top sill 100, and the magnetic track 340 of the side plates is flush with the magnetic track 101 to form a curved passage, so that the turnout operation is completed, and the turnout state is as shown in fig. 8-9.