CN107618529B - Straddle type monorail train and double-shaft bogie thereof - Google Patents
Straddle type monorail train and double-shaft bogie thereof Download PDFInfo
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- CN107618529B CN107618529B CN201710963674.5A CN201710963674A CN107618529B CN 107618529 B CN107618529 B CN 107618529B CN 201710963674 A CN201710963674 A CN 201710963674A CN 107618529 B CN107618529 B CN 107618529B
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Abstract
The invention provides a straddle type monorail train and a double-shaft bogie thereof, wherein the double-shaft bogie comprises a vehicle body connecting device (4) arranged above a cross beam of a framework body (2), the vehicle body connecting device (4) comprises a traction pin (41) fixedly connected with a vehicle body, a pin seat (42) for installing the traction pin (41) and traction pull rods (43) arranged at two ends of the pin seat (42), and two ends of the traction pull rods (43) are respectively connected with the framework body (2) and the pin seat (42) through rubber nodes. The double-shaft bogie provided by the invention can ensure that the vertical rigidity and the transverse rigidity between the bogie and the bogie are not influenced by the traction rod, thereby being convenient for people to obtain excellent running quality of the straddle-type monorail train by setting reasonable secondary spring rigidity parameters.
Description
Technical Field
The invention relates to the technical field of monorail trains, in particular to a straddle type monorail train and a double-shaft bogie thereof.
Background
The straddle type monorail traffic has the unique advantages of large climbing capacity, small turning radius, short construction period, low manufacturing cost and the like, has the space for further popularization and wide application, and can effectively relieve urban traffic jam.
At present, the double-axle bogie of the straddle type monorail train generally transmits traction force to the train body through the traction rubber pile, but the traction rubber pile is adopted to enable vertical and transverse rigidity parameters between the train body and the bogie to be difficult to match, so that vibration of the train body is not facilitated to be relaxed, and therefore, how to improve the double-axle bogie of the straddle type monorail train, enable the vertical rigidity and the transverse rigidity between the train body and the bogie not to be influenced by a traction device, so that parameter matching is easily carried out on elastic elements such as a secondary spring and a transverse stop, the smoothness of the train is improved, and the technical problem to be solved by the person in the field is solved urgently.
Disclosure of Invention
In view of the above, the present invention provides a straddle-type monorail train and a biaxial bogie thereof, which can prevent the vertical rigidity and transverse rigidity between the train body and the bogie from being affected by traction rods, thereby being beneficial to obtaining excellent running quality of the straddle-type monorail train.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a stride biax bogie of a monorail train, includes the automobile body connecting device of installing in the crossbeam top of framework, automobile body connecting device is including being used for with automobile body fixed connection's towing pin, be used for installing the cotter seat of towing pin and set up the pull rod at cotter seat both ends, the both ends of pull rod pass through the rubber node respectively with the framework with the cotter seat is connected.
Preferably, in the above biaxial bogie, the frame body includes straight side beams, end beams and arched side beams distributed on both sides of the cross beam in a central symmetry manner, a driving device for driving a wheel edge is installed below the arched side beams, and a gear box and a motor of the driving device are arranged along a transverse direction of the frame body.
Preferably, in the above-mentioned biaxial bogie, two bosses for mounting the gear case are symmetrically provided on the lower surface of the arched side beams, and positioning spigots that mate with the bosses are provided on both sides of the gear case.
Preferably, in the above biaxial bogie, a lateral shock absorber mount is provided on an outer side surface of the arched side beam at a position close to the cross beam.
Preferably, in the above biaxial bogie, spring undersupports are provided at both ends of the cross beam, vertical damper supports are provided on outer edges of the spring undersupports, and the vertical damper supports and the lateral damper supports that are closer are respectively located at both sides of the cross beam.
Preferably, in the above biaxial bogie, the vertical shock absorber support and the spring underseat are of an integral structure.
Preferably, in the above dual-axle bogie, a stop seat of an integral structure with the spring lower support is provided at an outer edge of the spring lower support, and the stop seat is used for an air spring overcharge prevention stop and a frame lifting stop.
Preferably, in the above dual-axle bogie, two lateral stop mounting seats are symmetrically arranged in the middle of the cross beam, and lateral stops matched with the pin seats are mounted on the lateral stop mounting seats.
Preferably, in the above-mentioned biax bogie, the through-hole along axial extension is seted up to the towing pin, wears to establish the both ends of the round bar in the through-hole have the screw thread, the upper end of round bar pass through flanged upper nut with towing pin fixed connection, flanged lower nut is installed to the lower extreme of round bar, lower nut is located in the cavity of crossbeam, the cavity with set up between the upper surface of crossbeam along the transversely extending's of framework waist round hole, the round bar passes the waist round hole, lower nut is used for stopping the round bar is followed the waist round hole withdraws from.
A straddle-type monorail train comprising a double-axle bogie, the double-axle bogie being any one of the double-axle bogies disclosed above.
According to the technical scheme, in the double-axle bogie for the straddle-type monorail train, longitudinal force between the frame body and the train body is transmitted through the traction pull rod, the pin seat and the traction pin, and as the two ends of the traction pull rod are respectively connected with the frame body and the pin seat through the rubber nodes, the longitudinal rigidity of the rubber nodes is far greater than the torsional rigidity and the lateral deflection rigidity of the rubber nodes, the train body can have transverse and vertical motion degrees of freedom while the traction pull rod transmits the longitudinal force without gaps, and therefore, after the double-axle bogie provided by the invention is adopted, the influence of the longitudinal force transmission device on the vertical rigidity and the transverse rigidity between the train body and the bogie is small, and people can obtain excellent running quality by reasonably matching the rigidity values of the air springs and the transverse stops.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of an arrangement of a dual axle bogie for a straddle-type monorail car according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the member 2 of FIG. 1;
fig. 5 is a schematic view of the member 6 of fig. 1.
Marked in the figure as:
1. a rail beam; 2. a frame body; 21. an end beam; 211. an auxiliary wheel mounting seat; 22. straight side beams; 221. a first mount; 23. arched side beams; 231. a boss; 232. a traction rod mounting seat; 233. a second mounting base; 234. a transverse shock absorber support; 24. a beam leg; 241. a stabilizer wheel mount; 242. a spring lower support; 2421. a stop seat; 2422. a vertical damper support; 243. a transverse stop mounting seat; 3. a running wheel; 4. a vehicle body connection device; 41. a traction pin; 42. a pin base; 43. a traction pull rod; 44. a spring upper support; 45. a sliding bearing; 46. a round bar; 461. a top nut; 462. a lower nut; 47. an air spring; 5. a walking auxiliary wheel; 6. a driving device; 61. a motor; 62. a gear box; 621. a mounting hole; 622. positioning the spigot; 63. a hub; 7. a stabilizing wheel; 71. stabilizing the auxiliary wheel; 8. a guide wheel; 81. a guide auxiliary wheel; 91. a transverse damper; 92. a vertical vibration damper; 93. and a transverse stop.
Detailed Description
For ease of understanding, the present invention is further described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 3, fig. 1 is a schematic layout view of a dual-axle bogie for a straddle-type monorail train according to a first embodiment of the present invention; FIG. 2 is a top view of FIG. 1; fig. 3 is a cross-sectional view A-A of fig. 2.
The biaxial bogie provided in the first embodiment includes a vehicle body connecting device 4 mounted above a cross beam (not shown) of a frame body 2, the vehicle body connecting device 4 including a towing pin 41 for fixedly connecting with a vehicle body, a pin seat 42 for mounting the towing pin 41, and a towing pull rod 43 provided at both ends of the pin seat 42, both ends of the towing pull rod 43 being connected to the frame body 2 and the pin seat 42, respectively, through rubber nodes.
The traction pin 41 is arranged on the pin seat 42 through the sliding bearing 45, the upper end of the traction pin 41 is fixedly connected with the vehicle body, longitudinal force between the frame body 2 and the vehicle body is transmitted through the traction pull rod 43, the pin seat 42, the sliding bearing 45 and the traction pin 41, the traction pin 41 can rotate and slide up and down in the sliding bearing 45, as the two ends of the traction pull rod 43 are respectively connected with the frame body 2 and the pin seat 42 through rubber nodes, and the longitudinal rigidity of the rubber nodes is far greater than the torsional rigidity and the lateral deflection rigidity of the rubber nodes, the traction pull rod 43 can enable the vehicle body to have transverse and vertical motion degrees of freedom while no clearance is transmitted, and therefore, after the double-shaft bogie provided by the invention is adopted, the influence of the longitudinal force transmission device on the vertical rigidity and the transverse rigidity between the vehicle body and the bogie is small, and people can obtain excellent running quality by reasonably matching the rigidity values of the air spring 47 and the transverse stop 93 very easily.
In the traditional double-shaft bogie, most of driving motors are longitudinally arranged, and because axles are transversely arranged, a reduction gearbox with bevel gears is additionally arranged between the axles and the motors to realize power transmission, and gears of the whole transmission system are more, so that the transmission efficiency is lower. And the dead weight of the whole bogie increases, so that the vibration of the car body is aggravated. For this purpose, in the biaxial bogie provided by the present invention, the frame body 2 includes straight side beams 22, end beams 21 and arched side beams 23 distributed on both sides of the cross beams in a center symmetrical manner, as shown in fig. 1, 4 and 5, a driving device 6 of a rim driving type is installed under the arched side beams 23, and a gear box 62 and a motor 61 of the driving device 6 are arranged in the lateral direction of the frame body 2. In order to connect the traction links 43, a traction link mount 232 may be provided on the upper surface of the arched side beam 23 near the cross beam.
Referring to fig. 5, the driving device 6 includes a motor 61, a gear box 62 and a hub 63 which are transversely arranged, and the driving device 6 of the wheel side driving type is adopted, wherein a motor shaft is parallel to an axle, and a bevel gear transmission mechanism is not required, so that the steering frame has the advantages of compact structure and light weight, and is beneficial to reducing the weight of the steering frame.
In the first embodiment, in order to mount the driving device 6 to the frame body 2, two bosses 231 for mounting the gear case 62 are symmetrically provided on the lower surface of the arched side beam 23, positioning stoppers 622 that fit with the bosses 231 are provided on both sides of the gear case 62, mounting holes 621 are provided on the platform in the vicinity of the positioning stoppers 622, and the housing of the motor 61 is connected to the gear case 62 by a flange, as can be seen from fig. 5.
Referring to fig. 1 and 4, the running wheel 3 is installed between a straight side beam 22 and an arched side beam 23, a first mounting seat 221 for mounting the guide wheel 8 is provided at a position of the straight side beam 22 close to the end beam 21, a second mounting seat 233 for mounting the guide wheel 8 is provided at a position of the arched side beam 23 close to the end beam 21, beam legs 24 are provided at both ends of the beam in the middle of the frame body 2, a stabilizer wheel mounting seat 241 for mounting the stabilizer wheel 7 is provided at the lower end of the beam legs 24, a spring lower support 242 is provided at the upper end of the beam legs 24, and two lateral stopper mounting seats 243 are symmetrically provided at the middle of the beam.
In the traditional double-shaft bogie, the shock absorber is often arranged in a cavity in the middle of the framework, which is not beneficial to overhauling and maintenance. For this purpose, in the biaxial bogie provided by the present invention, the lateral shock absorber support 234 is provided at the outer side surface of the arched side beam 23 near the cross beam, and as shown in fig. 4, the vertical shock absorber support 2422 is provided on the outer edge of the spring lower support 242, and the vertical shock absorber support 2422 and the closer lateral shock absorber support 234 are located on both sides of the cross beam, respectively.
As can be seen from fig. 2 and 3, the air spring 47 is located between the sprung base 44 (sprung base 44 is fixedly connected to the vehicle body) and the sprung base 242, the sprung base 44 is provided with a transverse damper support corresponding to the transverse damper support 234 and a vertical damper support corresponding to the vertical damper support 2422, the transverse damper 91 connects the sprung base 44 and the arched side beam 23, and the vertical damper 92 connects the sprung base 44 and the sprung base 242. In this way, the transverse damper 91 and the vertical damper 92 are arranged outside the frame body 2, which is convenient for maintenance.
In particular practical applications, the vertical shock absorber support 2422 and the spring support 242 may be in an integrated structure, in the first embodiment, the outer edge of the spring support 242 is further provided with a stop seat 2421 integrated with the spring support 242, and the stop seat 2421 is used for preventing the air spring 47 from being overcharged and for lifting the frame body 2.
Referring to fig. 3, a transverse stop 93 matched with the pin seat 42 is mounted on the transverse stop mounting seat 243, a through hole (not labeled in the drawing) extending along the axial direction is formed in the traction pin 41, threads are formed at two ends of the round rod 46 penetrating through the through hole, the upper end of the round rod 46 is fixedly connected with the traction pin 41 through an upper nut 4661 with a flange, a lower nut 462 with a flange is mounted at the lower end of the round rod 46, the lower nut 462 is located in a cavity (not labeled in the drawing) of the cross beam, a waist round hole (not labeled in the drawing) extending along the transverse direction of the framework 2 is formed between the cavity and the upper surface of the cross beam, the round rod 46 penetrates through the waist round hole, and the lower nut 462 is used for blocking the round rod 46 from exiting from the waist round hole. The round bar 46 of the waist circle Kong Baozheng does not interfere with the frame body 2 during the transverse movement, when the air spring 47 is continuously inflated, the flange of the lower nut 462 is contacted with the frame body 2 to prevent the continuous lifting of the vehicle body, and in addition, the lifting function is realized when the vehicle body and the bogie are lifted together.
Referring to fig. 1, 3 and 4, in order to improve safety, auxiliary wheel mounting seats 211 are provided at the end beams 21, so that the running auxiliary wheels 5 are mounted at both ends of the frame body 2 (i.e., the longitudinal direction of the rail beam 1), function as a support bogie when the running wheels 3 are out of air, and ensure that the vehicle can be degraded.
The frame body 2 is also provided with a stabilizing auxiliary wheel 71 and a guiding auxiliary wheel 81, which play a role in preventing overload and ensure that the vehicle can be operated in a degraded mode when the guiding wheels 8 and the stabilizing wheels 7 lack of air.
Example two
The second embodiment differs from the first embodiment only in the mounting structure between the driving device 6 and the frame body 2, and in the second embodiment, in order to mount the driving device 6 to the frame body 2, a flange is provided on the gear case 62 to be fitted with a side surface of the arched side member 23, and the driving device 6 is fixed to the arched side member 23 through a mounting hole on the flange.
The invention also provides a straddle-type monorail train, which comprises the double-shaft bogie disclosed by the embodiment. The double-axle bogie disclosed in the above embodiment has the above technical effects, so that the straddle-type monorail train with the double-axle bogie also has the above technical effects, and is not described herein again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to 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 (8)
1. The utility model provides a stride biax bogie of a formula monorail train, its characterized in that, including install car body connecting device (4) in the crossbeam top of framework (2), car body connecting device (4) are including be used for with car body fixed connection's towing pin (41), be used for installing the keyway (42) and set up towing handle (43) at keyway (42) both ends, the both ends of towing handle (43) pass through the rubber node respectively with framework (2) and keyway (42) are connected, framework (2) include with central symmetry form distribute in straight side beam (22), end beam (21) and arch curb girder (23) of crossbeam both sides, wheel limit drive type drive arrangement (6) are installed to the below of arch curb girder (23), the gear box (62) and motor (61) of drive arrangement (6) are arranged along the transversal direction of framework (2), be provided with two on the lower surface of arch curb girder (23) symmetrically be used for installing gear box (62) boss (231) both sides of boss (231) are located.
2. A biaxial bogie according to claim 1 wherein lateral shock absorber mounts (234) are provided on the outer side faces of the arched side beams (23) adjacent the cross beams.
3. The dual axle bogie of claim 2, wherein the cross beam is provided with underspring supports (242) at both ends, vertical shock absorber supports (2422) are provided on the outer edges of the underspring supports (242), the vertical shock absorber supports (2422) and the closer lateral shock absorber supports (234) being located on both sides of the cross beam, respectively.
4. A dual axle bogie as claimed in claim 3, characterized in that the vertical shock absorber support (2422) is of unitary construction with the underspring support (242).
5. The dual-axle bogie as claimed in claim 4, characterized in that the outer edge of the underspring support (242) is provided with a stop seat (2421) of unitary construction with the underspring support (242), the stop seat (2421) being for an anti-overcharging stop of the air spring (47) and a lifting stop of the frame body (2).
6. The dual-axle bogie as claimed in any one of claims 1 to 5, wherein two lateral stop mounting seats (243) are symmetrically arranged at the middle part of the cross beam, and the lateral stop mounting seats (243) are provided with lateral stops (93) matched with the pin seats (42).
7. The dual-axle bogie as claimed in claim 6, wherein the towing pin (41) is provided with a through hole extending along an axial direction, two ends of a round bar (46) penetrating through the through hole are provided with threads, the upper end of the round bar (46) is fixedly connected with the towing pin (41) through an upper nut (4661) with a flange, a lower nut (462) with a flange is mounted at the lower end of the round bar (46), the lower nut (462) is located in a cavity of the cross beam, a waist round hole extending along a transverse direction of the framework (2) is formed between the cavity and the upper surface of the cross beam, the round bar (46) penetrates through the waist round hole, and the lower nut (462) is used for blocking the round bar (46) from exiting from the waist round hole.
8. A straddle-type monorail car comprising a double-axle bogie, wherein the double-axle bogie is as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963674.5A CN107618529B (en) | 2017-10-17 | 2017-10-17 | Straddle type monorail train and double-shaft bogie thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710963674.5A CN107618529B (en) | 2017-10-17 | 2017-10-17 | Straddle type monorail train and double-shaft bogie thereof |
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| CN107618529A CN107618529A (en) | 2018-01-23 |
| CN107618529B true CN107618529B (en) | 2023-09-19 |
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| 重庆跨坐式单轨转向架的研制;刘绍勇;铁道车辆(第09期);第22-25页 * |
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|---|---|
| CN107618529A (en) | 2018-01-23 |
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