CN113771907B - Straddle type monorail car bogie - Google Patents
Straddle type monorail car bogie Download PDFInfo
- Publication number
- CN113771907B CN113771907B CN202111145507.2A CN202111145507A CN113771907B CN 113771907 B CN113771907 B CN 113771907B CN 202111145507 A CN202111145507 A CN 202111145507A CN 113771907 B CN113771907 B CN 113771907B
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- wheel
- bogie
- torsion bar
- frame body
- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a straddle type monorail car bogie which comprises a bogie single body and an anti-side rolling component, wherein the bogie single body is connected with a car body and is used for realizing the movement of the car body along a track; the anti-side rolling component comprises a torsion bar, mounting seats, rocker arms and a connecting rod, wherein the length direction of the torsion bar is perpendicular to the length direction of a track, the rocker arms and the mounting seats are arranged at two ends of the torsion bar, the two mounting seats are used for being connected with a vehicle body, the torsion bar is used for preventing the two mounting seats from rotating relatively, one end of the connecting rod is rotatably connected with the rocker arms, and the other end of the connecting rod is movably connected with a single bogie. Because the existence of torsion bar, when the motion appears in two mount pads asynchronous, when two mount pads atress were inhomogeneous promptly, the torsion bar can prevent two mount pads motions asynchronous, and then prevents to rock about the vehicle, can further improve vehicle stability and comfort level.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a straddle type monorail car bogie.
Background
The straddle type monorail traffic line has the advantages of small occupied area, low manufacturing cost, low operation noise of the straddle type monorail vehicle, good climbing capacity and the like, so that the straddle type monorail traffic system is suitable for environments such as mountainous terrain and urban public traffic, and is more and more concerned by the society.
The bogie is an important part of a straddle type monorail transit vehicle, the existing bogie has the problem of poor stability, and the vehicle is easy to shake when stressed unevenly in the running process, so that the riding comfort is seriously influenced; in addition, the curve passing performance of the existing bogie is troubled the technical development, and the problem that the part of the bogie extrudes the track and cannot pass through the curve with small turning radius when turning is caused.
In view of the foregoing, there is a great need for a straddle type railcar truck that addresses the problems associated with the prior art.
Disclosure of Invention
The invention aims to provide a straddle type monorail car bogie, which aims to solve the problems of insufficient stability and poor curve trafficability of the conventional bogie, and the specific technical scheme is as follows:
a straddle type monorail car bogie comprises a bogie single body and an anti-side rolling component, wherein the bogie single body is connected with a car body and is used for realizing the movement of the car body along a track; the anti-side rolling component comprises a torsion bar, mounting seats, rocker arms and a connecting rod, wherein the length direction of the torsion bar is perpendicular to the length direction of a track, the rocker arms and the mounting seats are arranged at two ends of the torsion bar, the two mounting seats are used for being connected with a vehicle body, the torsion bar is used for preventing the two mounting seats from rotating relatively, one end of the connecting rod is rotatably connected with the rocker arms, and the other end of the connecting rod is movably connected with a single bogie.
Preferably, in the above technical solution, the length of the connecting rod is adjustable; the connecting rod is connected with the single bogie body through a spherical hinge.
Preferably in the above technical scheme, the bogie unit comprises a frame body, a driving assembly, a suspension device and a rail side wheel set, the suspension device and the rail side wheel set are arranged at four corners of the frame body, the suspension device is used for being connected with a vehicle body, the rail side wheel set is in rolling contact with the side surface of the rail, and the driving assembly is arranged on the frame body and used for driving the bogie to move along the rail; the connecting rod is connected with the frame body through a spherical hinge.
Above preferred among the technical scheme, rail side wheelset includes leading wheel, stabilizer wheel and turns round the leg, turn round the leg and be connected with the support body, leading wheel and stabilizer wheel set up on turning round the leg, leading wheel and stabilizer wheel are used for with orbital side rolling contact.
Preferably among the above technical scheme, two rail side wheelsets of the same end of support body set up in orbital both sides, and leading wheel and the stabilizer wheel of the same end all are located same vertical plane.
Preferably, the drive assembly comprises a drive part, a drive wheel, a wheel axle and an axle box body, wherein two ends of the wheel axle are connected with the frame body through the axle box body, the wheel axle is rotatably connected with the axle box body, the drive wheel is fixedly arranged on the wheel axle, and one end of the wheel axle is connected with the drive part.
Preferably, the two ends of the frame body are provided with an anti-side rolling component and a driving component; the shelf body is in an inverted V-shaped shape.
Preferred among the above technical scheme, linkage includes footstock, safety pin, spring and hangs the installation sleeve, it sets up on the support body to hang the installation sleeve, footstock movable sleeve locates the telescopic upper end of hanging the installation, the spring sets up inside hanging the installation sleeve, and both ends withstand the footstock respectively and hang the base of installation sleeve tip down, and it is unsteady from top to bottom on hanging the installation sleeve to realize the footstock through the spring is flexible, the footstock is connected to safety pin one end, and the other end passes spring and base back connection stop device in proper order.
Preferably, a buffering cushion is arranged between the inner wall of the top seat and the outer wall of the hanging installation sleeve, the buffering cushion is arranged on the inner wall of the top seat, and a gap of 2-4mm is reserved between the buffering cushion and the hanging installation sleeve.
Preferably, the base is provided with an adjusting pad, and one end of the safety pin close to the top seat is also provided with a guide sleeve.
The technical scheme of the invention has the following beneficial effects:
according to the bogie, the two mounting seats can move up and down together through the rotating connection between the connecting rod and the rocker arm and the spherical hinge connection between the connecting rod and the bogie single body; due to the existence of the torsion bar, when the two mounting seats are asynchronous in movement, namely when the two mounting seats are uneven in stress, the torsion bar can be subjected to bending moment, the torsion bar can prevent the two mounting seats from asynchronous movement, the vehicle is prevented from shaking left and right, and the stability and the comfort of the vehicle can be further improved.
According to the bogie, the guide wheels and the stabilizing wheels at the same end are positioned on the same vertical plane, and when the bogie runs on a curve, the guide wheels and the stabilizing wheels are positioned on the same vertical plane, so that the distance between the guide wheels and the stabilizing wheels and the center line of the track can be ensured not to be changed, the interference phenomenon can be avoided, and theoretically, any curve radius can be passed.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall construction of a bogie;
FIG. 2 is a front view of the truck;
FIG. 3 is a side view of the truck;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic diagram of the structure of an anti-roll assembly;
FIG. 6 is a schematic structural view of a drive assembly;
FIG. 7 is a schematic view of the guide wheels and stabilizing wheels not being in the same vertical plane;
the device comprises a frame body 1, a frame body 2, a driving assembly 2.1, a driving piece 2.2, a wheel hub 2.3, a wheel axle 2.4, a wheel, 2.5, an axle box body 2.6, a bearing 3, an anti-roll assembly 3.1, a torsion bar 3.2, a mounting seat 3.3, a rocker arm 3.4, a connecting rod 3.5, a mounting joint 4, a suspension device 4.1, a top seat 4.2, a guide sleeve 4.3, a safety pin 4.4, a spring 4.5, a suspension mounting sleeve 4.6, an adjusting pad 4.7, a base 4.8, a limiting device 5, a guide wheel 6, a stabilizing wheel 7, a torsion leg 8 and a track.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1:
referring to fig. 1-6, a straddle type monorail car bogie comprises a bogie single body and an anti-side rolling component 3, wherein the bogie single body is connected with a car body and is used for realizing the movement of the car body along a track 8; referring to fig. 5, the anti-roll assembly 3 includes a torsion bar 3.1, mounting seats 3.2, rocker arms 3.3 and a connecting rod 3.4, the torsion bar 3.1 is disposed perpendicular to the rail 8, the rocker arms 3.3 and the mounting seats 3.2 are disposed at two ends of the torsion bar 3.1, the two mounting seats 3.2 are both used for connecting to a vehicle body, the torsion bar 3.1 is used for preventing the two mounting seats 3.2 from rotating relative to each other, one end of the connecting rod 3.4 is rotatably connected to the rocker arm 3.3, and the other end of the connecting rod is movably connected (preferably, connected by a ball hinge) to a single bogie.
Preferably, the length of the connecting rod 3.4 is adjustable. In the embodiment, the connecting rod comprises a screw rod and two connecting ends, the connecting ends are provided with internal threads, two ends of the screw rod are respectively connected with the connecting ends, and the screw rod and the connecting ends are locked and fixed through nuts; the length of the connecting end is screwed in through the adjusting screw rod, so that the length of the connecting rod is changed, and different installation requirements are met. In addition, the length of the connecting rod can be adjusted in other forms, such as: telescopic rods, etc., which are adjustable in length structures commonly used in the art, can be used on the connecting rod of the present embodiment.
After the anti-rolling assembly 3 in the embodiment is installed, the two installation bases can move up and down together through the rotating connection between the connecting rod and the rocker arm and the spherical hinge connection between the connecting rod and the single bogie body, namely, the vehicle body is connected with the two installation bases and then moves up and down synchronously; because the existence of torsion bar, when the motion appears in two mount pads asynchronous, when two mount pads atress were inhomogeneous promptly, the torsion bar can receive the moment of flexure, can prevent two mount pads motions asynchronous, and then prevents that the vehicle from rocking about, can further improve vehicle stability and comfort level.
Referring to fig. 1-3, the bogie single body comprises a frame body 1, a driving assembly 2, a suspension device 4 and a rail side wheel set, wherein the suspension device 4 and the rail side wheel set are respectively arranged at four corners of the frame body 1, the suspension device 4 is used for being connected with a vehicle body, the rail side wheel set is in rolling contact with the side surface of a rail 8, and the driving assembly 2 is arranged on the frame body 1 and used for driving the bogie to move along the rail 8; preferably, the connecting rod 3.4 is connected with the frame body 1 through a spherical hinge.
Referring to fig. 3, the rail side wheel set comprises a guide wheel 5, a stabilizing wheel 6 and a twisting leg 7, the twisting leg 7 is connected with the frame body 1, the guide wheel 5 and the stabilizing wheel 6 are arranged on the twisting leg 7, and the guide wheel 5 and the stabilizing wheel 6 are used for rolling contact with the side surface of the rail 8. The guide wheels 5 are arranged above the stabilizing wheels 6, and the guide wheels and the stabilizing wheels are simultaneously in rolling contact with the side surfaces of the track 8.
Preferably, the two rail side wheel sets at the same end of the frame body 1 are disposed at two sides of the rail 8 (where one end of the frame body refers to an end of the frame body along the rail length direction, that is, one end of the frame body in the length direction), and the guide wheel 5 and the stabilizing wheel 6 at the same end are both located on the same vertical plane. When the bogie runs on a curve, the guide wheels and the stabilizing wheels are positioned on the same vertical plane, so that the distance between the guide wheels and the stabilizing wheels and the central line of the track can be ensured not to change, the interference phenomenon can not occur, and theoretically, the bogie can pass through the radius of any curve. Referring to fig. 7 (when the guide wheels and the stabilizing wheels are on the same vertical plane, the guide wheels and the stabilizing wheels in fig. 7 are overlapped), if the guide wheels and the stabilizing wheels are not on the same vertical plane, if the front and rear pairs of guide wheels run along the rails, the inner side stabilizing wheels are suspended, the outer side extrudes the track to cause interference (the distance between the middle two pairs of stabilizing wheels and the guide wheels is more obvious the farther), the track forms useless additional transverse force on the rollers (namely the stabilizing wheels in fig. 7) in the middle position, and the smaller the turning radius is, the more obvious the compression is, which is not favorable for the curve trafficability of the vehicle.
In the embodiment, the guide wheels and the stabilizing wheels are used for guiding in the moving process of the bogie, and when the vehicle body is to turn over, the four stabilizing wheels on two sides of the rail surface can fasten the rail to prevent the vehicle from turning over, so that the effect of preventing the vehicle from turning over is achieved; meanwhile, in order to increase the stability of the bogie when the bogie runs on a ramp, the distance between the side wheel sets of the rails at the two ends of the frame body can be increased, namely, the wheelbase is increased, and when the gravity center of the vehicle body is positioned between the side wheel sets of the front rail and the rear rail, the vehicle cannot roll.
Referring to fig. 6, the driving assembly 2 includes a driving member 2.1, a driving wheel, a wheel axle 2.3 and an axle box 2.5, two ends of the wheel axle 2.3 are connected to the frame body 1 through the axle box 2.5, the wheel axle 2.3 is rotatably connected to the axle box 2.5, the driving wheel is fixedly disposed on the wheel axle 2.3, and one end of the wheel axle 2.3 is connected to the driving member 2.1. Preferably, in this embodiment, the wheel shaft 2.3 is rotatably disposed on the shaft housing 2.5 through a bearing 2.6, and the shaft housing 2.5 is further provided with a felt for sealing. The driving wheel comprises a hub 2.2 and a wheel 2.4, the hub 2.2 is mounted on a wheel shaft 2.3 through a flat key, and the wheel 2.4 is connected with the hub 2.2 through a bolt; the driving member is preferably a driving motor, and during the design process, the driving motor can be designed and installed on the axle box body 2.5, and the driving motor drives the driving wheel to roll on the top surface of the track, so that the bogie is driven to move along the track.
Preferably, the two ends of the frame body 1 are provided with an anti-side rolling assembly 3 and a driving assembly 2; the frame body 1 is inverted in a shape like a Chinese character 'ji', so that the space can be fully utilized, the height of a vehicle bottom plate is reduced, and the gravity center of a vehicle body is reduced.
Referring to fig. 4, the suspension device 4 includes footstock 4.1, safety pin 4.3, spring 4.4 and suspension installation sleeve 4.5, suspension installation sleeve 4.5 sets up on support body 1, the upper end of suspension installation sleeve 4.5 is located to footstock 4.1 movable sleeve, the footstock is used for with vehicle connection, spring 4.4 sets up inside suspension installation sleeve 4.5, and both ends withstand footstock 4.1 respectively and hang the base 4.7 of installing the tip under sleeve 4.5, and flexible realization footstock 4.1 floats from top to bottom on suspension installation sleeve 4.5 through spring 4.4, safety pin 4.3 one end is connected footstock 4.1, and the other end passes in proper order and connects stop device 4.8 behind spring 4.4 and the base 4.7. Stop device includes split pin, nut and backing plate, and split pin, nut and backing plate all set up in the tip of safety pin, and its main objective is in order to prevent that safety pin and base 4.7 from breaking away from, also conveniently follow-up simultaneously lifts by crane the bogie.
A buffer cushion is arranged between the inner wall of the top seat 4.1 and the outer wall of the suspension mounting sleeve 4.5, the buffer cushion is arranged on the inner wall of the top seat 4.1, a gap of 2-4mm is reserved between the buffer cushion and the suspension mounting sleeve 4.5, when the bogie turns, the bogie can drive the bogie body to rotate through the top seat, and the buffer cushion can play a buffer role.
Preferably, the base 4.7 is provided with adjusting pads 4.6, and the pre-compression amount of the spring can be adjusted by changing the number of the adjusting pads; and a guide sleeve 4.2 is also arranged at one end of the safety pin 4.3 close to the top seat 4.1 and used for mounting a spring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A straddle type monorail car bogie is characterized by comprising a bogie single body and an anti-rolling assembly (3), wherein the bogie single body is connected with a car body and is used for realizing the movement of the car body along a track (8); the anti-rolling assembly (3) comprises a torsion bar (3.1), mounting seats (3.2), rocker arms (3.3) and a connecting rod (3.4), wherein the length direction of the torsion bar (3.1) is perpendicular to the length direction of a track (8), the rocker arms (3.3) and the mounting seats (3.2) are arranged at two ends of the torsion bar (3.1), the two mounting seats (3.2) are connected with a vehicle body, the torsion bar (3.1) is used for preventing the two mounting seats (3.2) from rotating relatively, one end of the connecting rod (3.4) is rotatably connected with the rocker arms (3.3), and the other end of the connecting rod is movably connected with a single bogie body;
the bogie single body comprises a frame body (1), a driving assembly (2), a suspension device (4) and a rail side wheel set, wherein the suspension device (4) and the rail side wheel set are arranged at four corners of the frame body (1), the suspension device (4) is used for being connected with a vehicle body, the rail side wheel set is in rolling contact with the side surface of a rail (8), and the driving assembly (2) is arranged on the frame body (1) and used for driving the bogie to move along the rail (8);
the rail side wheel set comprises a guide wheel (5), a stabilizing wheel (6) and a twisting leg (7), the twisting leg (7) is connected with the frame body (1), the guide wheel (5) and the stabilizing wheel (6) are arranged on the twisting leg (7), and the guide wheel (5) and the stabilizing wheel (6) are used for being in rolling contact with the side face of the rail (8);
the two rail side wheel sets at the same end of the frame body (1) are arranged on two sides of the rail (8), and the guide wheel (5) and the stabilizing wheel (6) at the same end are both located on the same vertical surface.
2. Straddle-type monorail car bogie according to claim 1, characterized in that the connecting rod (3.4) is adjustable in length; the connecting rod (3.4) is connected with the single bogie body by adopting a spherical hinge.
3. The straddle-type monorail car bogie according to claim 1, characterized in that the driving assembly (2) comprises a driving part (2.1), a driving wheel, a wheel axle (2.3) and an axle box body (2.5), wherein both ends of the wheel axle (2.3) are connected with the frame body (1) through the axle box body (2.5), the wheel axle (2.3) is rotatably connected with the axle box body (2.5), the driving wheel is fixedly arranged on the wheel axle (2.3), and one end of the wheel axle (2.3) is connected with the driving part (2.1).
4. The straddle-type monorail car bogie according to claim 3, characterized in that both ends of the frame body (1) are provided with an anti-roll assembly (3) and a drive assembly (2); the frame body (1) is inverted in a shape like a Chinese character 'ji'.
5. The straddle type monorail car bogie according to claim 1, wherein the suspension device (4) comprises a top seat (4.1), a safety pin (4.3), a spring (4.4) and a suspension mounting sleeve (4.5), the suspension mounting sleeve (4.5) is arranged on the frame body (1), the top seat (4.1) is movably sleeved on the upper end portion of the suspension mounting sleeve (4.5), the spring (4.4) is arranged inside the suspension mounting sleeve (4.5), two ends of the spring respectively support against the top seat (4.1) and a base (4.7) of the lower end portion of the suspension mounting sleeve (4.5), the top seat (4.1) can vertically float on the suspension mounting sleeve (4.5) through the expansion of the spring (4.4), one end of the safety pin (4.3) is connected with the top seat (4.1), and the other end of the safety pin sequentially passes through the spring (4.4) and the base (4.7) and then is connected with a limiting device (4.8).
6. Straddle-type monorail car bogie according to claim 5, characterized in that a buffer pad is arranged between the inner wall of the top seat (4.1) and the outer wall of the suspension mounting sleeve (4.5), the buffer pad being arranged on the inner wall of the top seat (4.1), a gap of 2-4mm being left between the buffer pad and the suspension mounting sleeve (4.5).
7. Straddle-type monorail car bogie according to claim 5, characterized in that the base (4.7) is provided with an adjusting pad (4.6), and the end of the safety pin (4.3) close to the top seat (4.1) is further provided with a guide sleeve (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145507.2A CN113771907B (en) | 2021-09-28 | 2021-09-28 | Straddle type monorail car bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145507.2A CN113771907B (en) | 2021-09-28 | 2021-09-28 | Straddle type monorail car bogie |
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| Publication Number | Publication Date |
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| CN113771907A CN113771907A (en) | 2021-12-10 |
| CN113771907B true CN113771907B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111145507.2A Active CN113771907B (en) | 2021-09-28 | 2021-09-28 | Straddle type monorail car bogie |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115230768B (en) * | 2022-08-26 | 2024-02-09 | 中车资阳机车有限公司 | Axle bracket device for straddle type monorail engineering vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG171736A1 (en) * | 2009-10-16 | 2011-08-29 | Bombardier Transp Gmbh | A monorail bogie having a traction/pitching control assembly |
| CN104442880B (en) * | 2014-10-15 | 2017-02-22 | 南车株洲电力机车有限公司 | Suspension type monorail train bogie |
| CN104228865B (en) * | 2014-10-15 | 2016-07-06 | 南车株洲电力机车有限公司 | A kind of traction suspension arrangement |
| CN105416331B (en) * | 2015-12-07 | 2019-06-11 | 南车株洲电力机车有限公司 | A kind of single rail bogie of the straddle-type without primary spring |
| CN208559367U (en) * | 2018-06-21 | 2019-03-01 | 北京维时正喜科技有限公司 | A kind of coupled bogie system of Straddle type monorail train |
| CN110143212B (en) * | 2018-08-14 | 2020-05-22 | 比亚迪股份有限公司 | Suspension system of bogie assembly, bogie assembly and railway vehicle |
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