WO2022121066A1

WO2022121066A1 - Straddle type monorail vehicle and wheel replacement system

Info

Publication number: WO2022121066A1
Application number: PCT/CN2021/070092
Authority: WO
Inventors: 张洋; 杨绪杰; 丁治雨; 杨百岭; 寇文娟; 叶珍珍; 蒲亮; 吕红; 冉龙; 肖静; 唐飞
Original assignee: 重庆中车长客轨道车辆有限公司
Priority date: 2020-12-11
Filing date: 2021-01-04
Publication date: 2022-06-16
Also published as: CN112572476A

Abstract

A straddle type monorail vehicle and a wheel replacement system, the straddle type monorail vehicle comprising a vehicle body (1), apron boards (2) and a bogie; the apron boards (2) are rotatably connected to the vehicle body (1) and may be turned over upwards to be opened; the bogie comprises frameworks (3), walking wheels (4), a driving device (5), a traction device (6), a suspension device (7), a basic brake device (8) and a horizontal wheel assembly; the frameworks each comprise a cross beam (9), two cantilever beams (10) and two side beams (11); end parts of the cantilever beams (10) wrap peripheral surfaces of the walking wheels (4); and the two side beams (11) are disposed at two ends of each cross beam (9) and used for assembling the horizontal wheel assembly. The apron boards (2) are rotatably connected to the vehicle body (1) and may be turned over upwards to be opened, and then the walking wheels (4) and the horizontal wheel assembly may be exposed during wheel replacement, so as to reserve a disassembly space; and end parts of the cantilever beams (10) wrap the peripheral surfaces of the walking wheels (4), that is, the cantilever beams (10) half-surrounds the walking wheels (4), so that in the vehicle, the walking wheels (4) and horizontal wheels (15) may be replaced on a track, without disassembling the bogie, thus simplifying the steps of wheel replacement.

Description

A straddle type monorail vehicle and wheel changing system

This application claims the priority of the domestic application filed with the China Patent Office on December 11, 2020, the application number is 202011460653.X, and the invention name is "a straddle-type monorail vehicle and wheel changing system", the entire contents of which are by reference Incorporated in this application.

technical field

The present invention relates to the technical field of rail vehicles, and more particularly, to a straddle type monorail vehicle and a wheel changing system.

Background technique

Due to its special rubber tire running system and the complex "wheel-rail coupling" relationship between the rubber tire and the track beam, the straddle-type monorail vehicle determines that the rubber tires are replaced frequently, especially the running tires with a large load.

The technical problem of the vehicle in the prior art is that there is no lifting position, and the whole vehicle cannot be lifted through the bogie to make the tires leave the track surface; and the frame of the bogie surrounds the running wheels all around, and there is no dismantling of the running wheels. When the straddle-type vehicle replaces the tires, the monorail vehicle bogie must be disassembled and dropped from the vehicle, and the wheel changing operation on the track beam cannot be realized. The above-mentioned wheel changing process is relatively complicated, and the efficiency and low cost are high. .

Therefore, it is a difficult problem to be solved urgently in this field at this stage to make the straddle-type monorail vehicle realize the wheel change operation on the track beam.

SUMMARY OF THE INVENTION

The invention provides a straddle-type monorail vehicle, which can realize the wheel changing operation on the rail beam, and solves the difficult problems in the field at the present stage. Another object of the present invention is to provide a wheel changing system, which is applied to the above-mentioned straddle-type monorail vehicle, so that the wheel changing operation on the rail beam can be realized.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

A straddle-type monorail vehicle, comprising a body, a skirt and a bogie;

The apron is connected with the body in rotation, and can be flipped upward and opened;

The bogie includes a frame, running wheels, a driving device, a traction device, a suspension device, a basic braking device and a horizontal wheel assembly;

The frame includes a cross beam, two cantilever beams and two side beams;

The two cantilever beams are centrally symmetrically arranged on both sides of the cross beam for assembling the running wheels, and the ends of the cantilever beams are wrapped to the outer peripheral surface of the running wheels;

The two side beams are arranged at both ends of the cross beam, and straddle the two sides of the track respectively, and are used for assembling the horizontal wheel assembly.

Preferably, in the straddle-type monorail vehicle, the apron includes an upper apron and a lower apron, and the upper apron and the lower apron are respectively used for aligning the running wheel and the horizontal wheel assembly. They are all rotationally connected to the vehicle body, and can be turned upward and opened.

Preferably, in the straddle-type monorail vehicle, the side beam is in the shape of a "△", the top end of the side beam is fixed with the end of the cross beam, and both bottom ends of the side beam are provided with In the horizontal wheel assemblies, between the two horizontal wheel assemblies is the lifting position of the side beam.

Preferably, in the straddle-type monorail vehicle, the horizontal wheel assembly includes a matching horizontal wheel and an axle, the axle is provided with a buckle portion, and the two bottom ends of the side beam are provided with The snap-fit part matches the groove part.

Preferably, in the straddle-type monorail vehicle, the side beams are provided with weight-reducing holes.

Preferably, in the straddle-type monorail vehicle, the drive device adopts an integrated arrangement of a permanent magnet motor and a planetary gearbox.

Preferably, in the straddle-type monorail vehicle, the basic braking device adopts brake disc braking.

Preferably, in the straddle-type monorail vehicle, the suspension devices are arranged in a structure of an air spring and a shock absorber, and the two suspension devices are respectively located at both ends of the beam.

In the straddle-type monorail vehicle, the traction device adopts a center pin to realize power transmission, and the beam is provided with a mounting hole for assembling the center pin.

A wheel changing system applied to the straddle-type monorail vehicle as described in any one of the preceding items; comprising:

a track that matches the straddle monorail vehicle to be wheeled;

a first lifting mechanism, the first lifting mechanism includes a telescopically connected first base and a first actuator, used for lifting the bogie at the lifting position of the side beam;

A second lifting mechanism, the second lifting mechanism includes a telescopically connected second base and a second actuator, the second base is placed on the upper surface of the track, and the second actuator is on the cantilever arm The bottom end of the beam lifts the bogie.

Preferably, in the wheel changing system, the track is a traveling track, and the number of the first lifting mechanism and the second lifting mechanism matches the number of the bogies to be replaced.

Preferably, in the wheel changing system, the track is a maintenance warehouse track, the first lifting mechanism and the second lifting mechanism are multiple, and the first lifting mechanism is distributed in the maintenance On both sides of the warehouse track, and the distance between two adjacent first lifting mechanisms matches the distance between two adjacent bogies;

The second lifting mechanisms are distributed on the upper surface of the rail of the maintenance warehouse, and the number of the second lifting mechanisms matches the number of the bogies.

The straddle-type monorail vehicle proposed by the present invention includes a body, a skirt plate and a bogie, wherein the skirt plate and the body are rotatably connected and can be turned upward and opened; the bogie includes a frame, running wheels, a driving device, a traction device, Suspension device, basic braking device and horizontal wheel assembly; the frame includes a beam, two cantilever beams and two side beams; the two cantilever beams are symmetrically arranged on both sides of the beam for assembling the running wheels, and the cantilever beams are arranged on both sides of the beam. The ends are wrapped to the outer peripheral surface of the running wheel; the two side beams are arranged on both ends of the beam, and are respectively straddled on both sides of the track for assembling the horizontal wheel assembly. The aforesaid apron is rotatably connected to the vehicle body, and can be flipped upward and opened, so that the running wheel and the horizontal wheel assembly can be exposed when changing wheels, so as to leave a disassembly space; and the end of the cantilever beam is wrapped to the outer peripheral surface of the running wheel , that is, the cantilever beam is semi-enclosed to the running wheel, so the vehicle can realize the replacement of the running wheel and the horizontal wheel on the track, without the need to unpack the bogie, which simplifies the steps of wheel replacement. Therefore, the straddle-type monorail vehicle proposed by the present invention can realize the wheel changing operation on the rail beam, and solves the difficult problem in this field at the present stage.

Description of drawings

1 is a side view of a straddle-type monorail vehicle in an embodiment of the present invention;

Fig. 2 is the front view of the bogie in the specific embodiment of the present invention;

3 is a side view of a bogie in a specific embodiment of the present invention;

4 is a schematic diagram of opening the skirt of the straddle-type monorail vehicle in the specific embodiment of the present invention;

5 is a schematic view of opening the upper apron and the lower apron of a straddle-type monorail vehicle according to a specific embodiment of the present invention;

6 is a schematic diagram of a wheel changing system in a specific embodiment of the present invention;

7 is a schematic diagram of a horizontal wheel assembly in a specific embodiment of the present invention;

FIG. 8 is a schematic diagram of a bogie frame in an embodiment of the present invention.

In Figure 1-Figure 8:

Body-1; Skirt--2; Frame-3; Running Wheel-4; Driving Device-5; Traction Device-6; Suspension Device-7; Foundation Brake Device-8; Beam-9; Cantilever Beam-10; Side beam-11; Upper apron-12; Lower apron-13; Lifting position-14; Horizontal wheel-15; Axle-16; Buckle part-17; Slot part-18; Hole-20; Track--21; First Base--22; First Actuator-23; Second Base-24; Second Actuator-25.

Detailed ways

The core of the present invention is to provide a straddle-type monorail vehicle, which can realize the wheel changing operation on the rail beam, and solves the difficult problems in this field at the present stage.

In order to make those skilled in the art better understand the solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

The straddle-type monorail vehicle provided by this specific embodiment includes a body 1, a apron 2 and a bogie, wherein the apron 2 and the body 1 are rotatably connected and can be turned upward and opened; the bogie includes a frame 3, running wheels 4. The driving device 5, the traction device 6, the suspension device 7, the basic braking device 8 and the horizontal wheel assembly; the frame 3 includes a cross beam 9, two cantilever beams 10 and two side beams 11; the two cantilever beams 10 are centrally symmetrical It is arranged on both sides of the beam 9 for assembling the running wheels 4, and the end of the cantilever beam 10 is wrapped to the outer peripheral surface of the running wheel 4; the two side beams 11 are arranged on both ends of the beam 9, and are respectively straddling the rails 21 on both sides, for assembling the horizontal wheel assembly. The apron 2 and the vehicle body 1 are rotatably connected, and can be turned upward and opened, so that the running wheel 4 and the horizontal wheel assembly can be exposed when changing wheels, so as to leave a disassembly space; and the end of the cantilever beam 10 is wrapped to the running wheel The outer peripheral surface of the wheel 4, that is, the cantilever beam 10 is semi-enclosed to the running wheel 4, so the vehicle can realize the replacement of the running wheel 4 and the horizontal wheel 15 on the track without disassembling the bogie, which simplifies the replacement. round steps. Therefore, the straddle-type monorail vehicle proposed by the present invention can realize the wheel changing operation on the rail beam, and solves the difficult problem in this field at the present stage. Please refer to Figure 1-Figure 8 for details.

In the straddle-type monorail vehicle provided by this specific embodiment, the apron 2 may include an upper apron 12 and a lower apron 13, and the upper apron 12 and the lower apron 13 are respectively used to protect the running wheel 4 and the horizontal wheel assembly; And all of them are connected with the vehicle body 1 in rotation, and can be turned upward and opened. See Figure 5.

Further, the opening methods of the upper apron 12 and the lower apron 13 include but are not limited to flip opening, modular quick disassembly, etc.; and the flip opening methods of the upper apron 12 and the lower apron 13 include but are not limited to manual opening, mechanical structure Opening, electrical control opening, etc.; the mechanical structure can be hydraulic, chain structure, etc., or other mechanical components that can play an equivalent role.

In the straddle-type monorail vehicle provided by this specific embodiment, the side beam 11 of the bogie can be in the shape of a "△", the top end of the side beam 11 is fixed with the end of the cross beam 9, and both bottom ends of the side beam 11 are provided with Horizontal wheel assemblies, between the two horizontal wheel assemblies is the lifting position 14 of the side beam 11 .

It should be noted that the top end and the two bottom ends mentioned above are described based on the side beam 11 in the shape of "△".

The setting of the lifting position 14 enables the whole vehicle to be lifted off the track by the lifting mechanism when necessary, so as to further facilitate the inspection and maintenance of the bogie and other components.

Further, the above-mentioned horizontal wheel assembly of the bogie may include a matching horizontal wheel 15 and an axle 16; wherein, the axle 16 may be provided with a buckle portion 17, and the two bottom ends of the side beam 11 are provided with the buckle portion 17. Matching groove part 18; during assembly, the installation of the horizontal wheel assembly and the bogie side beam 11 is realized by the buckling of the buckle part 17 and the groove part 18.

During actual assembly, the horizontal wheel assembly and the bogie are fixed by bolts, and the design of the buckle portion 17 and the groove portion 18 enables the horizontal wheel assembly to remain undisturbed from the bogie frame 3 even when the bolts are removed. Up and down, which facilitates the operator's operation when changing the wheel, and further simplifies the process of changing the wheel.

Of course, in actual design, other connection methods that can play the same role can also be used between the horizontal wheel assembly and the bogie.

In the straddle-type monorail vehicle provided by this specific embodiment, the side beam 11 of the bogie may be provided with a weight reduction hole 19 , please refer to FIG. 8 for details.

In the straddle-type monorail vehicle provided by this specific embodiment, the drive device 5 can be integrated with a permanent magnet motor 17 and a planetary gearbox, wherein the permanent magnet motor and the planetary gearbox can both be installed on one of the cantilever beams 10, or can be separately Installed on two cantilever beams 10; the specific assembly form is mainly based on actual design needs.

Of course, the driving device 5 can also adopt other forms of motors and gearboxes that can play the same role.

Further, the basic braking device 8 of the bogie can be braked by a brake disc, or other braking forms that can play the same role.

In the straddle-type monorail vehicle provided by this specific embodiment, the suspension device 7 can be arranged by an air spring and a shock absorber, and the two suspension devices 7 can be located at two ends of the beam 9 respectively, please refer to FIG. 2 .

In the straddle-type monorail vehicle provided by this specific embodiment, the traction device 6 can use the center pin to realize power transmission, please refer to FIG. Other power transmission methods that can play the same role can also be used.

The specific embodiment also provides a wheel changing system, which is applied to the above-mentioned straddle-type monorail vehicle; including:

track 21, the track 21 is matched with the straddle-type monorail vehicle to be changed;

The first lifting mechanism, the first lifting mechanism includes a telescopically connected first base 22 and a first actuator 23 for lifting the bogie at the lifting position 14 of the side beam 11;

The second lifting mechanism includes a telescopically connected second base 24 and a second actuator 25 , the second base 24 is placed on the upper surface of the track 21 , and the second actuator 25 is on the cantilever beam 10 . The bottom end lifts the bogie.

The above wheel changing system may include a plurality of first lifting mechanisms and second lifting mechanisms, and the distance between each first lifting mechanism and each second lifting mechanism is based on the size of the vehicle body and the need for wheel replacement. The position is arranged to facilitate the lifting of the vehicle.

The steps for changing the wheel are as follows:

When replacing the horizontal wheel 15, the straddle-type monorail vehicle is parked on the track 21, and the top of the first actuator 23 of the first lifting mechanism is abutted against the bottom of the lifting position 14 of the bogie, and then the implementation is carried out. Lifting of the bogie to facilitate replacement of the horizontal wheel 15.

When replacing the running wheels 4, stop the straddle-type monorail vehicle on the track 21, make the top of the second actuator 25 of the second lifting mechanism abut against the bottom of the cantilever beam 10 of the bogie, and make the first The two bases 24 are placed on the upper surface of the track 21 to lift the bogie so as to facilitate the replacement of the running wheels 4 .

The track 21 in the above wheel changing system can be a running track, that is, a track when the vehicle is running; it can also be a maintenance garage track, that is, a track in a maintenance garage when the vehicle is overhauled.

Wherein, when a certain position of the vehicle needs to be maintained or repaired, the above-mentioned track 21 can be a running track, that is, the number of the first lifting mechanism and the second lifting mechanism matches the number of the bogies to be repaired ; When changing wheels, it is only necessary to lift the bogie to be changed, and the operation can be completed on the running track, without decomposing the bogie, and without placing the vehicle in the maintenance warehouse.

When the vehicle as a whole needs to be maintained or overhauled, the above-mentioned track 21 can be a maintenance warehouse track, that is, there are multiple first lifting mechanisms and second lifting mechanisms, and the first lifting mechanisms are distributed on both sides of the maintenance warehouse track, The spacing between two adjacent first lifting mechanisms matches the spacing between two adjacent bogies; the second lifting mechanisms are distributed on the upper surface of the rails of the maintenance depot, and each second lifting mechanism is located on the side of the bogie. At the bottom of the cantilever beam 10, the number of the second lifting mechanisms matches the number of the bogies, that is, each bogie corresponds to two second lifting mechanisms.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

A straddle type monorail vehicle, characterized in that it comprises a body (1), a skirt (2) and a bogie;

The skirt plate (2) is rotatably connected with the body (1), and can be turned upward and opened;

The bogie includes a frame (3), running wheels (4), a driving device (5), a traction device (6), a suspension device (7), a basic braking device (8) and a horizontal wheel assembly;

The frame (3) includes a cross beam (9), two cantilever beams (10) and two side beams (11);

The two cantilever beams (10) are centrally symmetrically arranged on both sides of the beam (9) for assembling the running wheels (4), and the ends of the cantilever beams (10) are wrapped to the the outer peripheral surface of the running wheel (4);

The two side beams (11) are arranged at both ends of the cross beam (9), and are respectively straddled on both sides of the rail (21) for assembling the horizontal wheel assembly.
The straddle-type monorail vehicle according to claim 1, wherein the apron (2) comprises an upper apron (12) and a lower apron (13), the upper apron (12) and the The lower apron (13) is used to protect the running wheel (4) and the horizontal wheel assembly respectively; and both are connected with the vehicle body (1) in rotation, and can be turned upward and opened.
The straddle-type monorail vehicle according to claim 1, characterized in that the side beam (11) is in a "△" shape, and the top end of the side beam (11) is in line with the end of the cross beam (9). Fixed, the two bottom ends of the side beam (11) are provided with the horizontal wheel assemblies, and between the two horizontal wheel assemblies is the lifting position (14) of the side beam (11).
The straddle-type monorail vehicle according to claim 3, characterized in that the horizontal wheel assembly comprises a matching horizontal wheel (15) and an axle (16), and the axle (16) is provided with a buckle portion (17). ), the two bottom ends of the side beams (11) are provided with grooves (18) matching with the buckles (17).
The straddle-type monorail vehicle according to claim 3, characterized in that, the side beams (11) are provided with weight-reducing holes (19).
The straddle-type monorail vehicle according to claim 1, characterized in that, the drive device (5) adopts an integrated arrangement of a permanent magnet motor and a planetary gearbox.
The straddle-type monorail vehicle according to claim 1, characterized in that, the base braking device (8) adopts brake disc braking.
The straddle-type monorail vehicle according to claim 1, characterized in that the suspension device (7) adopts an air spring and a shock absorber structure, and the two suspension devices (7) are respectively located on the cross beam (9). ) at both ends.
The straddle-type monorail vehicle according to claim 1, characterized in that the traction device (6) adopts a center pin to realize power transmission, and the beam (9) is provided with a mounting hole (20) for assembling the center pin ).
A wheel changing system, characterized in that, applied to the straddle-type monorail vehicle as claimed in any one of claims 1-9; comprising:

a track (21) that matches the straddle-type monorail vehicle to be wheel-changed;

A first lifting mechanism, the first lifting mechanism includes a telescopic connection of a first base (22) and a first actuator (23), used for steering at the lifting position (14) of the side beam (11) lift the rack;

A second lifting mechanism, the second lifting mechanism includes a telescopically connected second base (24) and a second actuator (25), the second base (24) is placed on the track (21) The second actuator (25) lifts the bogie at the bottom end of the cantilever beam (10).
The wheel changing system according to claim 10, wherein the track (21) is a traveling track, and the number of the first lifting mechanism and the second lifting mechanism is the same as that of the bogie to be replaced. number to match.
The wheel changing system according to claim 10, characterized in that, the track (21) is a maintenance garage track, the first lifting mechanism and the second lifting mechanism are multiple, and the first lifting mechanism and the second lifting mechanism are multiple. The lifting mechanisms are distributed on both sides of the maintenance depot track, and the spacing between two adjacent first lifting mechanisms matches the spacing between two adjacent bogies;

The second lifting mechanisms are distributed on the upper surface of the rail of the maintenance warehouse, and the number of the second lifting mechanisms matches the number of the bogies.