CN107719383B - Vehicle body suspension system for overhead monorail traffic system - Google Patents
Vehicle body suspension system for overhead monorail traffic system Download PDFInfo
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- CN107719383B CN107719383B CN201711104782.3A CN201711104782A CN107719383B CN 107719383 B CN107719383 B CN 107719383B CN 201711104782 A CN201711104782 A CN 201711104782A CN 107719383 B CN107719383 B CN 107719383B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B3/00—Elevated railway systems with suspended vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/04—Devices for damping vibrations
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Abstract
The invention discloses a vehicle body suspension system for an air monorail traffic system, which comprises a hub and a connecting mechanism, wherein the connecting mechanism comprises a hanger head and a bearing disc which are sequentially connected, one end of the hanger head is connected with the hub, and the other end of the hanger head is provided with a connecting arm; a preferred position hole is formed in the bearing disc, and one end of the connecting arm, which is far away from the hanger head, penetrates through a limiting hole respectively and then is connected with a bearing assembly respectively; a vibration damping mechanism is arranged between the connecting mechanism and the vehicle body. According to the invention, the vibration borne by the vehicle body is slowed down, the vibration amplitude of the vehicle body is reduced, the shearing force borne by the connection part between the connection mechanism and the vehicle body in the reversing of the vehicle body is eliminated, the quality of the connection part between the connection mechanism and the vehicle body is protected, and the running stability of the air rail and the comfort of passengers in riding the air rail are improved.
Description
Technical Field
The invention relates to the field of air trains, in particular to a vehicle body suspension system for an air monorail traffic system.
Background
Traffic jam has become a bottleneck restricting urban development, and urbanization is a necessary trend of development, and in order to solve the contradiction, air-railway arises at the same time. Urban roads and bridges are increasingly increased, buildings are also increasingly dense, and the viaduct in the city is in an idle state in the ground space below the lower bridge while the vehicles are facilitated to pass through. The air-railway can be built by utilizing the space near the ground under the bridge, the influence on the existing traffic system is avoided, the traffic circulation capacity can be doubled on the premise of low cost investment, and traffic jam is relieved. Different from subways and tramcars, the rail of the air train is above and is a rail transit which is hung on an aerial rail to run.
In the air-rail system, two ends of the vehicle body are respectively connected with a track hung in the air through a connecting mechanism and a hub, and a driving device drives the hub to rotate so as to drive the vehicle body to move along a guide rail. When the vehicle body turns, the hub on the vehicle head rolls to the track in the next direction, the hub on the vehicle tail is still located in the track in the original direction, and meanwhile, as the vehicle body is a rigid member, the rotation angle of the vehicle body is smaller than the angle for turning the hub on the vehicle head, and the vehicle body rotates relative to the hub on the vehicle tail and the connecting mechanism. When the connecting mechanism is rigidly connected with the vehicle body, torque can be generated between the connecting mechanism and the vehicle body, the torque can greatly damage the connecting part between the connecting mechanism and the vehicle body, and the running stability of the air-rail is reduced.
Moreover, although the guide rail for supporting the hub has low surface roughness and high surface quality, the same hub has low surface roughness and high surface quality; however, the contact surface of the guide rail and the hub always has certain roughness, and when the running speed of the vehicle body is higher, the vehicle body and the hub can shake due to the existence of the surface roughness and the vibration caused by the driving of the driving device, so that the stress of the connection part between the connection mechanism and the vehicle body is increased, and the quality of the connection part between the connection mechanism and the vehicle body is damaged; but also reduces the stability of the air-rail operation and the comfort of passengers riding the air-rail.
Disclosure of Invention
The invention aims to provide a vehicle body suspension system for an aerial monorail traffic system, which solves the problems that torque can be generated between a vehicle body connecting mechanism and a vehicle body which is turning, the vehicle body is easy to shake during running, the torque and the vehicle body shake can greatly damage a connecting part between the connecting mechanism and the vehicle body, and the running stability of an air rail and the comfort of passengers in riding the air rail are reduced.
The invention is realized by the following technical scheme:
a vehicle body suspension system for an aerial monorail transit system comprises a hub, a connecting mechanism for connecting the hub and a vehicle body, and a driving wheel
The hub rotation driving device comprises a hub rotation driving device, wherein the connecting mechanism comprises a hanging piece head and a bearing disc which are sequentially connected, one end of the hanging piece head is connected with the hub, and the other end of the hanging piece head is provided with a plurality of connecting arms; the bearing disc is provided with strip-shaped limiting holes, the number of which is consistent with that of the connecting arms, one end of each connecting arm, far away from the hanger head, penetrates through one limiting hole and is connected with one bearing assembly, one end of each bearing assembly, close to the hanger head, is in contact with one end of each bearing disc, far away from the hanger head, and the connecting arms can move along the hole walls of the corresponding limiting holes by rotating the hanger heads around the axis of the bearing discs;
a vibration damping mechanism is arranged between the connecting mechanism and the vehicle body, the vibration damping mechanism comprises a positioning shaft, a guide shaft, a pressing plate, a vibration damping plate and a telescopic piece, the pressing plate and the vibration damping plate are parallel to each other, and the axes of the positioning shaft and the guide shaft are perpendicular to the pressing plate;
one end of the guide shaft is connected with the bearing disc, and the other end of the guide shaft sequentially and movably penetrates through the pressing plate and the vibration damping plate and then is connected with the nut; one end of the positioning shaft is fixedly connected with the pressing plate, and the other end of the positioning shaft penetrates through the pressing plate and the damping plate in sequence and then is connected with the vehicle body;
one end of the telescopic piece is connected with the pressing plate, the other end of the telescopic piece is connected with the vibration reduction plate, and the telescopic piece is compressed to enable the pressing plate to move along the axis of the guide shaft.
The telescopic part can adopt a telescopic or elastic part such as an air bag shock absorber, a pneumatic rod, a spring and the like. And when the expansion member is an air bag damper, an air spring is preferred.
When the vehicle body turns, the hub on the vehicle head rolls to the track in the next direction, the hub on the vehicle tail is positioned in the track in the original direction, and the rotation angle of the vehicle body is smaller than the angle of turning of the hub on the vehicle head and rotates relative to the hub on the vehicle tail and the connecting mechanism; and relative rotation between automobile body and the coupling mechanism moves along the pore wall in spacing hole through the linking arm, makes then the linking arm relative and bearing disc produce relative rotation and realize, then when the automobile body turned, can not produce the moment of torsion between the coupling mechanism of automobile body and the automobile body, has then eliminated the shearing force that the position of being connected makes the receipt at the automobile body switching-over between coupling mechanism and the automobile body, has protected the quality at the position of being connected between coupling mechanism and the automobile body to empty indisputable moving stability has been improved.
Meanwhile, the vehicle body is suspended and always bears downward weight; when the vehicle body shakes, the pressing plate moves downwards and compresses the air bag shock absorber, and the air bag shock absorber is pressed to deform and absorbs a part of vibration energy; after the vehicle body is stable, the air bag shock absorber restores to the original state, and the pressing plate returns to the original position; by the invention, the vibration of the vehicle body is slowed down, the vibration amplitude of the vehicle body is reduced, the quality of a connecting part between the connecting mechanism and the vehicle body is protected, and the running stability of the air-fuel rail and the comfort of passengers in riding the air-fuel rail are improved.
Furthermore, the bearing assembly comprises a connecting shaft, one end of the connecting shaft is matched with one bearing, the other end of the connecting shaft penetrates through the connecting arm and then is matched with the other bearing, and the bearings are in contact with the end face, far away from the hanger head, of the bearing disc.
The bearing not only plays the effect of hanging to the automobile body, bears the weight of automobile body to can also rotate when the pendant head rotates, relative bearing to make the friction between bearing subassembly and the bearing dish be rolling friction, protected the surface quality of bearing dish.
Furthermore, both ends of the connecting shaft are provided with baffle discs, the tail end of the connecting shaft is connected with the corresponding baffle discs after being provided with the corresponding bearings, and the maximum diameter of each baffle disc is larger than the aperture of the central hole of each bearing.
Although the bearing is usually in interference fit with the corresponding connecting shaft, the bearing can move to the free end of the connecting shaft and even be separated from the connecting shaft along with the vibration of the transmission; in order to avoid the above situation, blocking discs are arranged at both ends of the connecting shaft so as to limit the movement of the bearing on the axis of the connecting shaft.
Furthermore, the inner side walls of the connecting arms are all located on the circumference of the same circle, the outer side arms of the connecting arms are all located on the circumference of another circle, and the circle center of the inner side wall of the connecting arm is superposed with the circle center of the outer side wall of the connecting arm;
the limiting holes are bent into an arc shape around the same axis, the radius of the inner side hole wall of each limiting hole is consistent with that of the inner side wall of the connecting arm, the radius of the outer side hole wall of each limiting hole is consistent with that of the outer side wall of the connecting arm, and the arc length of each limiting hole on the circumference is greater than that of the connecting arm on the circumference;
when the connecting arms respectively penetrate through one limiting hole, the inner side wall of each connecting arm is in contact with the inner side hole wall of the corresponding limiting hole, and the outer side wall of each connecting arm is in contact with the outer side hole wall of the corresponding limiting hole.
Through the arrangement, the connecting arm is matched with the radius of the mutual contact surface of the limiting hole in the radial direction, the distance between the connecting arm and the limiting hole in the radial direction is eliminated, and the connecting arm can only rotate along the circumferential direction, so that the certainty of the connecting arm relative to the rotating direction of the bearing plate is improved, and the stability of the connecting arm moving along the wall of the limiting hole is improved.
Furthermore, the telescopic parts are air bag shock absorbers, and the number of the telescopic parts is two, and the telescopic parts are arranged between the pressure plate and the damping plate in a central symmetry mode along the axis of the bearing plate.
The airbag shock absorber is preferably used in the invention because the airbag shock absorber has nonlinear characteristics compared with a spring and other telescopic parts, a characteristic line of the airbag shock absorber can be designed into a relatively ideal curve according to requirements, and the rigidity of the airbag shock absorber is changed along with load, so that the natural vibration frequency is not changed under any load.
Furthermore, the upper end and the lower end of the telescopic piece are both provided with connecting plates, the connecting plate positioned at the upper end of the telescopic piece is connected with the pressing plate through bolts, and the connecting plate positioned at the lower end of the telescopic piece is connected with the vibration damping plate through bolts.
Furthermore, the connecting plates are all parallel to the pressing plate and are circular, the axes of the telescopic pieces are all perpendicular to the connecting plates, the cross sections of the telescopic pieces are circular, and the orthographic projections of the telescopic pieces on the connecting plates are located in the connecting plates.
The connecting plate is convenient for the installation and the dismantlement of gasbag bumper shock absorber, does benefit to the manufacturing of air-iron system and reduces the later maintenance cost.
Furthermore, a connecting hole is formed in the bearing disc, a fixing disc is arranged at one end, far away from the vibration damping plate, of each of the positioning shaft and the guide shaft, the diameter of the fixing disc is larger than that of the positioning shaft and that of the guide shaft, the fixing disc on the positioning shaft is fixedly connected with the vibration damping plate through a bolt, and the fixing disc on the guide shaft is fixedly connected with the pressing plate through a bolt;
one end of the positioning shaft far away from the corresponding fixed disc penetrates through the connecting hole and then is in threaded connection with the vehicle body.
The positioning shaft is connected with the vehicle body in a threaded manner, and the positioning shaft and the guide shaft are convenient to disassemble, assemble and maintain later through the corresponding fixing disc, the corresponding bolt and the corresponding part.
Furthermore, the number of the connecting arms is four, and the connecting arms are distributed on the pendant head in a central symmetry mode along the axis of the bearing disc. The number of the positioning shafts is four, and the positioning shafts are respectively positioned at one corner of the pressing plate; the four guide shafts are arranged on the bearing plate in a manner of being centrosymmetric along the axis of the bearing plate.
The arrangement of the plurality of positioning shafts and the plurality of guide shafts can reduce the tensile stress on the single positioning shaft and the single guide shaft, and the service life of the invention is prolonged.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the vehicle body suspension system for the overhead monorail traffic system, the connecting arm moves along the hole wall of the limiting hole, so that the connecting arm relatively rotates with the bearing disc, and then when the vehicle body turns, torque cannot be generated between the connecting mechanism of the vehicle body and the vehicle body, so that shearing force applied to the connecting part between the connecting mechanism and the vehicle body due to reversing of the vehicle body is eliminated, the quality of the connecting part between the connecting mechanism and the vehicle body is protected, and the running stability of a blank rail is improved;
2. according to the vehicle body suspension system for the overhead monorail traffic system, when a vehicle body shakes, the pressing plate moves downwards and compresses the air bag shock absorber, and the air bag shock absorber deforms under pressure to absorb part of vibration energy; after the vehicle body is stable, the air bag shock absorber restores to the original state, and the pressing plate returns to the original position; by the invention, the vibration borne by the vehicle body is slowed down, the vibration amplitude of the vehicle body is reduced, the quality of a connecting part between the connecting mechanism and the vehicle body is protected, and the running stability of the air rail and the comfort of passengers riding the air rail are improved;
3. according to the vehicle body suspension system for the aerial monorail traffic system, the bearing plays a role in suspending the vehicle body to bear the weight of the vehicle body, and can rotate relative to the bearing when the hanging piece head rotates, so that the friction between the bearing assembly and the bearing plate is rolling friction, and the surface quality of the bearing plate is protected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the engagement of the connecting arm with the load-bearing plate;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is a schematic view of the connection of the connecting arm to the bearing;
FIG. 6 is a schematic view of the structure of the hanger head;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic structural view of a load-bearing plate;
fig. 9 is a schematic view of another aspect of the present invention.
Reference numbers and corresponding part names in the drawings:
1-hub, 2-hanger head, 3-bearing disc, 4-connecting arm, 5-limiting hole, 6-connecting shaft, 7-bearing, 8-positioning shaft, 9-baffle disc, 10-connecting hole, 11-fixing disc, 12-driving shaft, 13-positioning plate, 14-reversing shaft, 15-gear belt, 16-guiding shaft, 17-pressing plate, 18-vibration-damping plate, 19-telescopic part, 20-nut and 21-connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-9, in this embodiment, the expansion piece 19 is an airbag shock absorber, and the vehicle body suspension system for an aerial monorail transit system of the present invention includes a hub 1, a connection mechanism connecting the hub 1 and a vehicle body, and a driving device driving the hub 1 to rotate, where the connection mechanism includes a hanging head 2 and a bearing disk 3 connected in sequence, one end of the hanging head 2 is connected with the hub 1, and the other end of the hanging head 2 is provided with a plurality of connecting arms 4; the bearing disc 3 is provided with strip-shaped limiting holes 5 the number of which is consistent with that of the connecting arms 4, one end of each connecting arm 4, which is far away from the hanger head 2, penetrates through one limiting hole 5 and then is connected with one bearing component, one end of each bearing component, which is close to the hanger head 2, is contacted with one end of each bearing disc 3, which is far away from the hanger head 2, and the connecting arms 4 can move along the hole walls of the corresponding limiting holes 5 by rotating the hanger heads 2 around the axis of the bearing discs 3;
a damping mechanism is arranged between the connecting mechanism and the vehicle body, the damping mechanism comprises a positioning shaft 8, a guide shaft 16, a pressure plate 17, a damping plate 18 and an air bag damper, the pressure plate 17 and the damping plate 18 are parallel to each other, and the axes of the positioning shaft 8 and the guide shaft 16 are both vertical to the pressure plate 17;
one end of a guide shaft 16 is connected with the bearing disc 3, and the other end of the guide shaft 16 sequentially and movably penetrates through a pressing plate 17 and a damping plate 18 and then is connected with a nut 20; one end of the positioning shaft 8 is fixedly connected with the pressing plate 17, and the other end of the positioning shaft 8 sequentially and movably penetrates through the pressing plate 17 and the damping plate 18 and then is connected with the vehicle body;
one end of the air bag damper is connected with the pressure plate 17, the other end of the air bag damper is connected with the damping plate 18, and the air bag damper is compressed to enable the pressure plate 17 to move along the axis of the guide shaft 16.
When the vehicle body turns, the hub 1 on the vehicle head rolls to the track in the next direction, meanwhile, the hub 1 on the vehicle tail is also positioned in the track in the original direction, and the rotation angle of the vehicle body is smaller than the angle for turning the hub 1 on the vehicle head and rotates relative to the hub 1 on the vehicle tail and the connecting mechanism; and the relative rotation between automobile body and the coupling mechanism, through the hole wall removal of linking arm 4 along spacing hole 5, make linking arm 4 relatively produce relative rotation with bearing disc 3 and realize then, when the automobile body turned, can not produce the moment of torsion between the coupling mechanism of automobile body and the automobile body, eliminated the shearing force that the position of being connected makes the receipt at the automobile body switching-over between coupling mechanism and the automobile body then, protected the quality at the position of being connected between coupling mechanism and the automobile body to the stability of empty iron operation has been improved.
Meanwhile, the vehicle body is suspended and always bears downward weight; when the vehicle body shakes, the pressure plate 17 moves downwards and compresses the air bag damper 19, and the air bag damper 19 is deformed under pressure to absorb a part of vibration energy; after the vehicle body is stable, the air bag shock absorber 19 restores to the original state, and the pressing plate 17 returns to the original position; by the invention, the vibration of the vehicle body is slowed down, the vibration amplitude of the vehicle body is reduced, the quality of a connecting part between the connecting mechanism and the vehicle body is protected, and the running stability of the air-fuel rail and the comfort of passengers in riding the air-fuel rail are improved.
Example 2
This example is based on example 1 and further illustrates the load bearing member.
As shown in fig. 1-9, the vehicle body suspension system for an overhead monorail transit system of the invention comprises a connecting shaft 6, one end of the connecting shaft 6 is matched with one bearing 7, the other end of the connecting shaft 6 penetrates through a connecting arm 4 and then is matched with the other bearing 7, and the bearings 7 are all contacted with the end surface of the bearing plate 3 far away from the hanger head 2.
The bearing not only plays the effect of hanging to the automobile body, bears the weight of automobile body to can also rotate relative bearing 7 when pendant head 2 rotates, so that the friction between bearing subassembly and bearing plate 3 is rolling friction, has protected the surface quality of bearing plate 3.
Furthermore, both ends of the connecting shaft 6 are provided with baffle discs 9, the tail end of the connecting shaft 6 is connected with the corresponding baffle discs 9 after being provided with the corresponding bearings 7, and the maximum diameter of the baffle discs 9 is larger than the aperture of the central hole of each bearing 7.
Although the bearings are usually in interference fit with the corresponding connecting shaft 6, the bearings may move to the free end of the connecting shaft 6 and even be separated from the connecting shaft 6 along with the vibration of the transmission; to avoid this, stop discs 9 are provided at both ends of the connecting shaft 6 to limit the movement of the bearing 7 on the axis of the connecting shaft 6.
Example 3
This embodiment is further described with reference to embodiment 1, in which the connection arm 4 is engaged with the stopper hole 5.
As shown in fig. 1-9, in the vehicle body suspension system for an overhead monorail traffic system of the invention, the inner side walls of the connecting arms 4 are all located on the circumference of the same circle, the outer side arms of the connecting arms 4 are all located on the circumference of another circle, and the circle center of the inner side wall of the connecting arm 4 is coincident with the circle center of the outer side wall;
the limiting holes 5 are bent into arcs around the same axis, the radius of the inner side hole wall of each limiting hole is consistent with that of the inner side wall of the connecting arm 4, the radius of the outer side hole wall of each limiting hole is consistent with that of the outer side wall of the connecting arm 4, and the arc length of each limiting hole 5 on the circumference is larger than that of the connecting arm 4 on the circumference;
when the connecting arms 4 respectively pass through one limiting hole 5, the inner side walls of the connecting arms 4 are in contact with the inner side hole walls of the corresponding limiting holes 5, and the outer side walls of the connecting arms 4 are in contact with the outer side hole walls of the corresponding limiting holes 5.
Through the setting, make linking arm 4 and spacing hole 5 radius phase-match of the face of contact each other in footpath, eliminate linking arm 4 and spacing hole 5 at the ascending interval in footpath, make linking arm 4 only can be along circumferential direction to improve the certainty of linking arm 4 for the direction of bearing plate 3 pivoted, and the stability that linking arm 4 removed along spacing hole 5 pore walls.
For example, when the vehicle body rotates 15 ° relative to the hub 1, the connecting arm 4 rotates 15 ° along the circumferential line relative to the bearing plate 3 along the hole wall of the limiting hole 5.
Example 4
In this embodiment, a damper mechanism is further described on the basis of embodiment 1.
As shown in FIGS. 1 to 9, the suspension system for an aerial monorail transit system of the present invention has two air bag dampers, and the two air bag dampers are arranged between a pressure plate 17 and a damper plate 18 in a manner of being centered symmetrically along the axis of a load-bearing plate 3.
The airbag cushion 19 is preferable in the present invention because the former has a nonlinear characteristic, and its characteristic line can be designed to a relatively ideal curve as required, and the former has an advantage that the stiffness of the former varies with the load, and therefore the natural frequency does not vary under any load, as compared with the telescopic member such as a spring.
Furthermore, the upper end and the lower end of the air bag damper are both provided with a connecting plate 21, the connecting plate 21 positioned at the upper end of the air bag damper is connected with the pressing plate 17 through a bolt, and the connecting plate 21 positioned at the lower end of the air bag damper is connected with the damping plate 18 through a bolt.
Furthermore, the connecting plates 21 are all parallel to the pressing plate 17, the connecting plates 21 are all circular, the axes of the airbag dampers are all perpendicular to the connecting plates 21, the cross sections of the airbag dampers are circular, and the orthographic projections of the airbag dampers on the connecting plates 21 are located in the connecting plates 21.
The arrangement of the connecting plate 21 facilitates the installation and the disassembly of the air bag shock absorber 19, facilitates the production and the manufacture of the air rail system and reduces the later maintenance cost.
Example 5
This embodiment is further explained with reference to embodiment 1.
As shown in figures 1-9, the vehicle body suspension system for overhead monorail transit system of the invention, said wheel hub 1 has two, and distribute on the head 2 of the hanging piece symmetrically along the axis centre of the bearing plate 3; a driving shaft 12 is arranged between the hubs 1, and two ends of the driving shaft 12 respectively connect with one hub 1 after movably penetrating through the hanger head 2; the drive means is connected to the drive shaft 12.
A pair of positioning plates 13 are arranged between the vehicle body and the bearing plate 3, one ends of the positioning plates 13 are connected with the vehicle body, two reversing shafts 14 are arranged between the positioning plates 13, and the axes of the reversing shafts 14 are parallel to the axis of the driving shaft 12;
the driving device is located on one side of the hanger head 2 and fixed on the vehicle body, the driving device comprises a motor, a speed reducer, an output shaft and a gear belt 15 which are sequentially connected, the gear belt 15 is connected end to form a ring, one end of the gear belt is sleeved on the output shaft, the other end of the gear belt sequentially penetrates through the bearing disc 3 and the hanger head 2 along the axis of the bearing disc 3 and then is sleeved on the driving shaft 12, one reversing shaft 14 is located in the ring formed by the gear belt 15 and contacts with one side, far away from the motor, of the inner wall of the gear belt 15, the other reversing shaft 14 is located on one side, close to the motor, of the gear belt 15, and one side, far away from the motor, of the reversing shaft 14 contacts with one side, close to the motor, of the outer wall of the gear belt 15.
In order to shorten the distance between the vehicle body and the hub 1, when the pulley drive is adopted, the direction of the belt needs to be changed, so that two direction changing shafts 14 are arranged on the drive path of the gear belt 14, and two sides of the gear belt 14 are changed by the corresponding direction changing shafts 14.
Preferably, the reversing shaft 4, the driving shaft 12 and the output shaft are gear shafts matched with the gear belt 15, two ends of the reversing shaft 14 are rotatably connected with the corresponding positioning plates 13, and the reversing shaft 14 can independently rotate around the axis of the reversing shaft relative to the positioning plates 13.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. Aerial monorail traffic is automobile body suspension system for system, including wheel hub (1), the coupling mechanism and the drive wheel hub (1) pivoted drive arrangement of connecting wheel hub (1) and automobile body, its characterized in that: the connecting mechanism comprises a hanging piece head (2) and a bearing disc (3) which are sequentially connected, one end of the hanging piece head (2) is connected with the hub (1), and a plurality of connecting arms (4) are arranged at the other end of the hanging piece head (2); the bearing disc (3) is provided with strip-shaped limiting holes (5) the number of which is consistent with that of the connecting arms (4), one end of each connecting arm (4) far away from the hanger head (2) penetrates through one limiting hole (5) and then is connected with one bearing assembly, one end of each bearing assembly close to the hanger head (2) is in contact with one end of each bearing disc (3) far away from the hanger head (2), and the hanger heads (2) are rotated around the axis of the bearing discs (3) to enable the connecting arms (4) to move along the hole walls of the corresponding limiting holes (5);
a vibration damping mechanism is arranged between the connecting mechanism and the vehicle body, the vibration damping mechanism comprises a positioning shaft (8), a guide shaft (16), a pressing plate (17), a vibration damping plate (18) and a telescopic piece (19), the pressing plate (17) and the vibration damping plate (18) are parallel to each other, and the axes of the positioning shaft (8) and the guide shaft (16) are perpendicular to the pressing plate (17);
one end of a guide shaft (16) is connected with the bearing disc (3), and the other end of the guide shaft (16) is sequentially movably penetrated through a pressing plate (17) and a damping plate (18) and then is connected with a nut (20); one end of the positioning shaft (8) is fixedly connected with the pressing plate (17), and the other end of the positioning shaft (8) sequentially and movably penetrates through the pressing plate (17) and the damping plate (18) and then is connected with the vehicle body;
one end of the telescopic piece (19) is connected with the pressure plate (17), the other end of the telescopic piece (19) is connected with the vibration damping plate (18), and the telescopic piece (19) is compressed to enable the pressure plate (17) to move along the axis of the guide shaft (16);
the bearing assembly comprises a connecting shaft (6), one end of the connecting shaft (6) is matched with one bearing (7), the other end of the connecting shaft (6) penetrates through the connecting arm (4) and then is matched with the other bearing (7), and the bearings (7) are in contact with the end face, far away from the hanger head (2), of the bearing disc (3);
the inner side walls of the connecting arms (4) are all located on the circumference of the same circle, the outer side arms of the connecting arms (4) are all located on the circumference of the other circle, and the circle center of the inner side walls of the connecting arms (4) is coincident with the circle center of the outer side walls;
the limiting holes (5) are bent into arcs around the same axis, the radius of the inner side hole wall of each limiting hole (5) is consistent with that of the inner side wall of the connecting arm (4), the radius of the outer side hole wall of each limiting hole is consistent with that of the outer side wall of the connecting arm (4), and the arc length of each limiting hole (5) on the circumference is greater than that of each connecting arm (4);
when the connecting arms (4) respectively penetrate through one limiting hole (5), the inner side walls of the connecting arms (4) are in contact with the inner side hole walls of the corresponding limiting holes (5), and the outer side walls of the connecting arms (4) are in contact with the outer side hole walls of the corresponding limiting holes (5).
2. The vehicle body suspension system for an aerial monorail transit system of claim 1, wherein: both ends of the connecting shaft (6) are provided with baffle discs (9), the tail end of the connecting shaft (6) is connected with the corresponding baffle discs (9) after producing the corresponding bearings (7), and the maximum diameter of the baffle discs (9) is larger than the aperture of the central hole of the bearing (7).
3. The vehicle body suspension system for an aerial monorail transit system of claim 1, wherein: the telescopic pieces (19) are air bag shock absorbers, and the number of the telescopic pieces (19) is two, and the telescopic pieces are arranged between the pressure plate (17) and the damping plate (18) in a central symmetry mode along the axis of the bearing plate (3).
4. The vehicle body suspension system for an aerial monorail transit system of claim 3, wherein: connecting plates (21) are arranged at the upper end and the lower end of the telescopic piece (19), the connecting plate (21) positioned at the upper end of the telescopic piece (19) is connected with the pressure plate (17) through bolts, and the connecting plate (21) positioned at the lower end of the telescopic piece (19) is connected with the damping plate (18) through bolts.
5. The vehicle body suspension system for an aerial monorail transit system of claim 4, wherein: the connecting plates (21) are all parallel to the pressing plate (17), the connecting plates (21) are all circular, the axes of the telescopic pieces (19) are all perpendicular to the connecting plates (21), the cross sections of the telescopic pieces (19) are circular, and the orthographic projections of the telescopic pieces (19) on the connecting plates (21) are located in the connecting plates (21).
6. The vehicle body suspension system for an aerial monorail transit system of claim 1, wherein: the bearing disc (3) is provided with a connecting hole (10), one ends of the positioning shaft (8) and the guide shaft (16) far away from the damping plate (18) are respectively provided with a fixed disc (11), the diameter of each fixed disc (11) is larger than that of the positioning shaft (8) and the guide shaft (16), the fixed discs (11) on the positioning shafts (8) are fixedly connected with the damping plate (18) through bolts, and the fixed discs (11) on the guide shaft (16) are fixedly connected with the pressing plate (17) through bolts; one end of the positioning shaft (8) far away from the corresponding fixed disc (11) penetrates through the connecting hole (10) and then is in threaded connection with the vehicle body.
7. The vehicle body suspension system for an aerial monorail transit system of claim 1, wherein: the four connecting arms (4) are distributed on the pendant head (2) along the axis center of the bearing disc (3) symmetrically.
8. The vehicle body suspension system for an aerial monorail transit system of claim 1, wherein: the number of the positioning shafts (8) is four, and the positioning shafts (8) are respectively positioned at one corner of the pressing plate (17); the four guide shafts (16) are arranged on the bearing disc (3) in a manner of being centrosymmetric along the axis of the bearing disc (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104782.3A CN107719383B (en) | 2017-11-10 | 2017-11-10 | Vehicle body suspension system for overhead monorail traffic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104782.3A CN107719383B (en) | 2017-11-10 | 2017-11-10 | Vehicle body suspension system for overhead monorail traffic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719383A CN107719383A (en) | 2018-02-23 |
| CN107719383B true CN107719383B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711104782.3A Active CN107719383B (en) | 2017-11-10 | 2017-11-10 | Vehicle body suspension system for overhead monorail traffic system |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313072B (en) * | 2018-02-27 | 2024-02-06 | 中唐空铁集团有限公司 | Empty iron automobile body connection pendant |
| CN108313070B (en) * | 2018-04-02 | 2024-03-29 | 中唐空铁集团有限公司 | Connection structure of empty iron drive end |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB140095A (en) * | 1918-11-11 | 1921-04-07 | Rudolf Wagner | Improvements in and connected with the suspension of car bodies on suspension high speed railways |
| CN1111196A (en) * | 1994-04-14 | 1995-11-08 | 大福株式会社 | Transport system with electric movers |
| CN207374384U (en) * | 2017-11-10 | 2018-05-18 | 中唐空铁集团有限公司 | Improve the suspension of empty iron operation stability |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4122860B2 (en) * | 2002-06-21 | 2008-07-23 | 株式会社ダイフク | Transportation equipment using moving objects |
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2017
- 2017-11-10 CN CN201711104782.3A patent/CN107719383B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB140095A (en) * | 1918-11-11 | 1921-04-07 | Rudolf Wagner | Improvements in and connected with the suspension of car bodies on suspension high speed railways |
| CN1111196A (en) * | 1994-04-14 | 1995-11-08 | 大福株式会社 | Transport system with electric movers |
| CN207374384U (en) * | 2017-11-10 | 2018-05-18 | 中唐空铁集团有限公司 | Improve the suspension of empty iron operation stability |
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| CN107719383A (en) | 2018-02-23 |
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