DE112020005312T5 - Single axle rubber wheel bogie - Google Patents

Abstract

A single axle rubber wheel bogie is disclosed which includes a framework, an axle assembly (12) and an axle attachment assembly (13). The framework comprises a guide frame (1) and a suspension (2), the suspension (2) being arranged over the guide frame (1) by means of at least four elastic elements, and a guide wheel (11) being fixedly arranged on the guide frame (1). ; Rubber wheels (13) are arranged at two ends of the axle device (12), and the axle device (12) is located between the suspension (2) and the guide frame (1); the axle attachment device (13) is used for attaching the axle device (12) to the guide frame (1); a drawbar (10) is connected between the axle attachment device (13) and the suspension (2); and a driving device is further arranged on the suspension (2) and used for providing power to the axle device (12). The bogie is conducive to realizing a lightweight design and improving comfort of a vehicle; furthermore, the structure of the bogie is simplified and its maintainability is improved.

Description

field of invention

The invention relates to a single-axle rubber-wheeled bogie for a light rail vehicle, which belongs to the technical field of overall structures of rail transit bogies.

Background of the Invention

In the technical field of rail transit, a rubber wheel rail system has the advantages of low noise, low vibration, high ride comfort, etc. because it uses the wheel technology of road traffic instead of iron wheel rails in the traditional rail transit field. At this time, the system has relatively high adhesion and enables a vehicle to have strong climbing ability and climb a maximum gradient of up to 10%; in addition, the vehicle has a relatively high ability to drive through a small turning radius and can adapt to complex terrain. This system is used in national cities such as Guangzhou, Beijing and Tianjin. The well-known rubber wheel vehicle bogie supported by leaf springs is heavy and rigid and cannot further improve ride comfort. The known rubber wheel vehicle drawbar requires welding a mounting seat on an axle, the welding affects the performance of a gear assembly inside the axle, and the large size of the axle is not conducive to a compact structure. Furthermore, due to the lack of an anti-overspeed function, the running speed of the vehicle cannot be further increased. As can be seen from the above description, the questions of how to further improve the comfort and lightness of the rubber wheeled vehicles, and how to avoid a welded connection between the axle and a push rod, and how to prevent the vehicle overexcited, to problems to be solved by professionals.

Presentation of the invention

In order to improve the comfort and light weight of a single-axle rubber-wheeled vehicle, the present invention provides a single-axle rubber-wheeled bogie. The specific technical solution is as follows.

• ein Rahmenwerk, wobei das Rahmenwerk einen Führungsrahmen und eine Aufhängung enthält, wobei die Aufhängung über dem Führungsrahmen mittels mindestens vier elastischen Elementen angeordnet ist, und ein Führungsrad fest auf dem Führungsrahmen angeordnet ist;
• eine Achsvorrichtung, wobei Gummiräder an zwei Enden der Achsvorrichtung angeordnet sind und sich die Achsvorrichtung zwischen der Aufhängung und dem Führungsrahmen befindet; und
• eine Achsbefestigungsvorrichtung, wobei die Achsbefestigungsvorrichtung zum Befestigen der Achsvorrichtung auf dem Führungsrahmen verwendet ist;
• wobei eine Zugstange zwischen der Achsbefestigungsvorrichtung und der Aufhängung verbunden ist, eine Antriebsvorrichtung weiter auf der Aufhängung angeordnet ist, und die Antriebsvorrichtung zum Vorsehen von Leistung für die Achsvorrichtung verwendet ist.

A single axle rubber wheel bogie contains:

• a framework, the framework including a guide frame and a suspension, the suspension being arranged over the guide frame by means of at least four elastic elements, and a guide wheel being fixedly arranged on the guide frame;
• an axle device, wherein rubber wheels are arranged at two ends of the axle device, and the axle device is located between the suspension and the guide frame; and
• an axle attachment device, the axle attachment device being used to attach the axle device onto the guide frame;
• wherein a drawbar is connected between the axle attachment device and the suspension, a drive device is further arranged on the suspension, and the drive device is used for providing power to the axle device.

With the above technical solution, the problems of complex structure, high rigidity, etc. of leaf springs are solved, lightweight design can be achieved, and comfort of a vehicle can be improved. The axle device and the guide frame are each connected by the axle attachment device, and two ends of the tie rod are respectively connected to the suspension and the axle attachment device, which gives up the welding used to mount the tie rod on the traditional axle device, the interference of a gear assembly inside of the axle device and can simplify the structure and improve the maintainability. With the guide wheels, the anti-overspeed capability is enhanced.

Furthermore, the elastic elements are air springs; the guide frame includes two guide frame side brackets and two guide frame end brackets formed in a mouth shape, and an air spring seat is arranged at each of four corners of the guide frame; an axle mounting seat is provided on an upper surface of the middle part of each lead frame side member; the suspension includes two suspension side brackets and two suspension end brackets, and an air spring mounting seat is located at each of the four corners of the suspension; and the guide frame and the suspension are connected by the air springs.

Further, a motor mounting seat for mounting the drive device is provided on one of the suspension end brackets, and a tie rod seat for connecting the tie rod is provided on the other suspension end bracket.

Further, the axle attachment device includes an upper attachment frame, a lower attachment frame and an attachment bolt, wherein the upper attachment frame is located above the axle device, the lower attachment frame is located below the guide frame, the attachment bolt attaches the upper attachment frame and the lower attachment frame, and the upper attachment frame with equipped with a tie rod seat.

Further, a concave and/or convex positioning structure corresponding to the lower mounting frame is provided on a lower surface of the lead frame side member, a concave and/or convex positioning structure corresponding to the axle device is provided on an upper surface of the lead frame side member, and a concave and/or convex Positioning structure provided corresponding to the axle device on a lower surface of the upper mounting frame.

Further, the tie rod includes a longitudinal tie rod and a V-shaped tie rod, the longitudinal tie rod is parallel to the suspension side beam of the suspension, one end of the longitudinal tie rod is connected to the tie rod seat of the upper mounting frame, and the other end of the longitudinal tie rod -Drawbar is connected to the drawbar seat of the suspension; the V-shaped tie rod includes a pair of diagonal tie rods symmetrical to the longitudinal centerline of the bogie, the diagonal tie rods and the longitudinal tie rod are at certain angles, one end of the diagonal tie rods is connected to the tie rod seat of the upper mounting frame, and the other end of the diagonal tie rod is connected to the tie rod seat of the suspension.

Further, projecting brackets are provided at four corners of the guide frame, and an air spring mounting seat is provided at each projecting bracket; projecting suspension brackets extending downward are provided at four corners of the suspension, and the air spring mounting seats are provided at the lower ends of the projecting suspension brackets.

Further, a vertical shock absorber is included, a lower end of the vertical shock absorber is connected to the guide frame, and an upper end of the vertical shock absorber is connected to the suspension; and preferably the vertical shock absorber is at a certain angle to the vertical direction.

Further, a rotation support mechanism is fixedly arranged in the central part of the suspension side member.

Further, a pair of guide wheels are mounted and are symmetrical to the center line in the longitudinal direction of the bogie, and the axis of rotation of the guide wheels is in the vertical direction.

Further, the drive device is a motor, the motor is mounted on the motor mounting seat by a mounting plate, the mounting plate is fixed to the motor by a first fastener, the mounting plate is fixed to the motor mounting seat by a second fastener, and an elastic rubber pad is attached to the second fastening device slipped over.

• Die Verwendung des Drehstützmechanismus kann das Problem eines großen Drehwinkels zwischen dem Fahrzeugkörper und der Aufhängung bei einer kleinen Kurve lösen;
• Das zentrale Führungssystem, das in dem Fahrzeug konzipiert ist, stellt sicher, dass das Fahrzeug entlang der Führungsschiene läuft und eine Anti-Roll-Wirkung hat, und die Führungsräder laufen im unteren Teil der Führungsschiene zum Verhindern, dass das Fahrzeug umstürzt; Der Motor ist durch ein elastisches Rahmenmittel aufgehängt, und er Motor ist in Längsrichtung mit der Achse durch eine Universalkupplung verbunden, die sich an einen großen dynamischen Versatz zwischen dem Führungsrahmen und der Aufhängung anpassen kann;
• Die Achsvorrichtung und der Führungsrahmen sind durch die Achsbefestigungsvorrichtung verbunden, und die Zugstange ist mit der Achsbefestigungsvorrichtung verbunden, was das Problem löst, dass die Größe der Achse den Montageraum der Zugstange begrenzt, die Struktur vereinfacht und die Wartungsfähigkeit verbessert.
• Der Sekundäraufhängungsmodus ist eine Kombination aus vier Luftfedern und vertikalen Stoßdämpfern und die Luftfedern sind mit Höhenjustiereinrichtungen ausgestattet, was die Einstellung der Höhe des Fahrzeugbodens vereinfacht;
• Die Längsrichtungs-Zugstange und die V-förmige Zugstange sind zwischen der Achsvorrichtung und der Aufhängung angeordnet, was Zug- und Bremskräfte übertragen kann und gleichzeitig die Nickbewegung, die durch das Ziehen und Bremsen des Fahrzeugs hervorgerufen wird, überwinden kann. Die V-förmige Zugstange, die unter bestimmten Winkeln zu den Längsrichtungs-Zugstangen ist, kann auch seitliche Last übertragen.

The single-axle rubber wheel bogie for a light rail vehicle of the present invention has the following beneficial effects:

• The use of the rotation support mechanism can solve the problem of a large rotation angle between the vehicle body and the suspension at a small turn;
• The central guidance system designed in the vehicle ensures that the vehicle runs along the guide rail and has an anti-roll effect, and the guide wheels run in the lower part of the guide rail to prevent the vehicle from overturning; The engine is suspended by a resilient frame means and the engine is longitudinally connected to the axle by a universal coupling which can accommodate a large dynamic displacement between the guide frame and the suspension;
• The axle device and the guide frame are connected by the axle attachment device, and the tie rod is connected to the axle attachment device, which solves the problem that the size of the axle limits the installation space of the tie rod, simplifies the structure, and improves serviceability.
• The secondary suspension mode is a combination of four air springs and vertical shock absorbers, and the air springs are equipped with height adjusters, making it easy to adjust the height of the vehicle floor;
• The longitudinal tie rod and the V-shaped tie rod are arranged between the axle device and the suspension, which can transmit traction and braking forces and at the same time the pitching movement caused by the pulling and braking of the vehicle will call, can overcome. The V-shaped tie rod, which is at certain angles to the longitudinal tie rods, can also transfer lateral load.

Adopting single-axis technology, the structure is simple and reliable, the cost is low, and the maintainability is good. The use of rubber wheels can reduce the driving noise, the vehicle has good climbing ability, high starting and braking acceleration, and a short braking distance, the replacement efficiency is high, and the operation is simple.

character list

• 1 Fig. 13 is a three-dimensional schematic drawing of a single-axle rubber wheel bogie of the present invention;
• 2 Figure 13 is a three dimensional schematic drawing (with a partial cross section) of the single axle rubber wheel bogie of the present invention;
• 3 Fig. 12 is a schematic cross-sectional view of an axle device;
• 4 Fig. 12 is a schematic drawing of a leadframe;
• 5 Fig. 12 is a schematic drawing of a suspension;
• 6 Figure 12 is a schematic drawing of a framework;
• 7 Figure 12 is a schematic drawing of an axle attachment device;
• 8th Figure 12 is a plan view of the framework (with a tie rod shown);
• 9 Fig. 12 is an exploded schematic view of the drawbar;
• 10 Fig. 12 is an exploded schematic view of the shock absorbers; and
• 11 Fig. 12 is a schematic drawing of a mounting plate.

1

Führungsrahmen

1.1

Führungsrahmen-Seitenträger

1.2

Führungsrahmen-End-träger

1.3

vorspringender Träger

1.4

Achsmontagesitz

2

Aufhängung

2.1

Aufhängungs-Seitenträger

2.2

Aufhängungs-Endträger

2.3

mittlerer Querträger

2.4

vorspringender Aufhängungsträger

3

Luftfeder

4

Luftfedermontagesitz

6

Führungsradmontagesitz

7

Drehstützmontagesitz

8

Zugstangensitz

9

Motormontagesitz

10

Zugstange

10.1

Längsrichtungs-Zugstange

10.2

V-förmige Zugstange

11

Führungsrad

12

Achsvorrichtung

13

Achsbefestigungsvorrichtung

13.1

oberer Befestigungsrahmen

13.2

unterer Befestigungsrahmen

13.3

Befestigungsbolzen

14

Motor

16

konkave und/oder konvexe Positionierstruktur

17

vertikaler Vibrationsdämpfer

18

Längsrichtungs-Stoßdämpfer

19

Drehstützmechanismus

20

Führungsschiene

21

Montageplatte

22

erster Bolzen

23

zweiter Bolzen

24

elastische Gummiunterlage

25

Gummirad

26

Notfallrad

In the figures:

1

guide frame

1.1

Guide frame side support

1.2

Guide frame end beam

1.3

protruding support

1.4

axle mounting seat

2

suspension

2.1

Suspension Side Beam

2.2

Suspension End Beam

2.3

middle crossbar

2.4

projecting suspension beam

3

air spring

4

air spring mounting seat

6

guide wheel mounting seat

7

Pivot support mounting seat

8th

drawbar seat

9

engine mounting seat

10

pull bar

10.1

Longitudinal drawbar

10.2

V-shaped pull rod

11

guide wheel

12

axle device

13

axle attachment device

13.1

upper mounting frame

13.2

lower mounting frame

13.3

mounting bolts

14

engine

16

concave and/or convex positioning structure

17

vertical vibration damper

18

Longitudinal shock absorbers

19

rotary support mechanism

20

guide rail

21

mounting plate

22

first bolt

23

second bolt

24

elastic rubber pad

25

rubber wheel

26

emergency bike

Detailed Description of Embodiments

The present invention will be described further in detail with reference to the accompanying drawings.

• ein Rahmenwerk, wobei das Rahmenwerk einen Führungsrahmen 1 und eine Aufhängung 2 enthält, wobei die Aufhängung 2 über dem Führungsrahmen 1 mittels mindestens vier Luftfedern (Beispiele für elastische Elemente) angeordnet ist, und Führungsräder 11 fest auf dem Führungsrahmen 1 angeordnet sind;
• eine Achsvorrichtung 12, wobei Gummiräder 13 an zwei Enden der Achsvorrichtung 12 angeordnet sind und sich die Achsvorrichtung 12 zwischen der Aufhängung 2 und dem Führungsrahmen 1 befindet, wobei die Achsvorrichtung 12 gemäß dem Stand der Technik ist und ähnlich zu einer Hinterachsvorrichtung eines Autos ist; und
• eine Achsbefestigungsvorrichtung 13, wobei die Achsbefestigungsvorrichtung 13 zum Befestigen der Achsvorrichtung 12 auf dem Führungsrahmen 1 verwendet ist.

Referring to 1 until 11 Contains a single-axle rubber wheel bogie:

• a framework, the framework comprising a guide frame 1 and a suspension 2, the suspension 2 being suspended above the guide frame 1 by means of at least four air springs (examples of elastic elements). is arranged, and guide wheels 11 are fixedly arranged on the guide frame 1;
• an axle device 12, wherein rubber wheels 13 are arranged at two ends of the axle device 12 and the axle device 12 is located between the suspension 2 and the guide frame 1, the axle device 12 being according to the prior art and being similar to a rear axle device of a car; and
• an axle attachment device 13, the axle attachment device 13 being used for attaching the axle device 12 on the guide frame 1.

A pull rod 10 is connected between the axle attachment device 13 and the suspension 2, a motor 14 (an example of a driving device) is further arranged on the suspension 2, and the motor 14 is used to provide power for the axle device 12, the motor is arranged longitudinally and the torque of the engine is transmitted via a (not shown) universal coupling.

Two rubber wheels 25 are positioned at each end of the axle assembly 12 and a rigid emergency wheel 26 is positioned between the two rubber wheels 25. In the event of an emergency such as puncture of the rubber wheels 25, the emergency wheel 26 can support the vehicle bogie.

Referring to 4 until 6 the guide frame 1 includes two guide frame side brackets 1.1 and two guide frame end brackets 1.2 formed into a mouth shape, approximately horizontal projecting brackets 1.3 are provided at the four corners of the guide frame, and an air spring mounting seat 4 is provided on each projecting bracket 1.3; the guide frame side beams 1.1 and the guide frame end beams 1.2 are both box section structures, the projecting beams 1.3 can be separate box section structures or parts of the guide frame side beams 1.1 or the guide frame end beams 1.2, and the guide frame side beams 1.1 and the guide frame end beams 1.2 are joined together by welding; the middle part of each guide frame side member 1.1 rises up, an axle mounting seat 1.4 is provided on the upper surface of the raised middle part, and the axle mounting seat 1.4 is used for mounting and fixing the axle device 12; Guide wheel mounting seats 6 for mounting the guide wheels 11 are also arranged on each guide frame end bracket 1.2, and the guide wheels 11 are arranged to help guide the vehicle and prevent the vehicle from overturning. The guide wheel mounting seats 6 are butt-welded to top and bottom cover plates using the top and bottom cover plates of the guide frame end beams 1.2 as a base, which ensures the structural strength of the guide frame mounting seats 6.

" , vorspringende Aufhängungsträger 2.4, die sich nach unten erstrecken, sind an vier Ecken der Aufhängung vorgesehen, und der Luftfedermontagesitz 4 ist am unteren Ende von jedem vorspringenden Aufhängungsträger 2.4 vorgesehen; die zwei mittleren Querträger 2.3 sind parallel zu den Aufhängungs-Endträgern 2.2, ein Drehstützmontagesitz 7 ist im mittleren Teil von jedem Aufhängungs-Seitenträger 2.1 vorgesehen, und die mittleren Querträger 2.3 der Aufhängung sind H-Profilstrukturen, die günstig im Hinblick auf die Gewichtsreduzierung sind.Referring to 5 the suspension 2 includes two suspension side beams 2.1, two middle cross beams 2.3 and two suspension end beams 2.2; the entire suspension 2 is in the shape of the Chinese character "

" , projecting suspension beams 2.4 extending downward are provided at four corners of the suspension, and the air spring mounting seat 4 is provided at the lower end of each projecting suspension beam 2.4; the two center cross beams 2.3 are parallel to the suspension end beams 2.2, a Pivoting support mounting seat 7 is provided in the central part of each suspension side member 2.1, and the suspension central cross members 2.3 are H-profile structures, which are favorable in view of weight reduction.

A tie rod seat 8 is arranged on the downward protruding part of a suspension end beam 2.2 of the suspension 2, one end of the tie rod 10 is connected to the tie rod seat 8 of the suspension, and the other end is connected to the axle attachment device 13. An engine mounting seat 9 for suspending and mounting the engine 14 is provided on the other suspension end bracket 2.2 of the suspension. The guide frame 1 and the suspension 2 are connected with four air springs 3 , the suspension 2 is mounted over the guide frame 1 through the air springs 3 , and vertical forces are transmitted through the air springs 3 .

Referring to 1 and 7 the axle attachment device 13 contains an upper attachment frame 13.1, a lower attachment frame 13.2 and attachment bolts 13.3, with the upper attachment frame 13.1 being located above the axle device 12, the lower attachment frame 13.2 being under the guide frame 1, the attachment bolts 15 the upper attachment frame 13.1 and the attach the lower mounting frame 13.2, and the upper mounting frame 13.1 is provided with the tie rod seat 8.

Referring to 2 , 3 and 7 a positioning concave and/or convex structure (not shown) corresponding to the lower attachment frame is preferably provided on the lower surface of the guide frame side member, a positioning concave and/or convex structure 16 corresponding to the axle device is provided on an upper surface of the guide frame men-side beam 1.1 is provided, and a concave and/or convex positioning structure 16 corresponding to the axle device 12 is provided on a lower surface of the upper mounting frame 13.1. With this, when the axle device 12 is fixed to the lead frame side members 1.1 by the axle attaching device 13, the degree of attachment of the axle device 12 and the lead frame side members 1.1 can be improved, so that the gap is reduced, and unnecessary vibration and noise can be avoided will.

Referring to 8th and 9 the tie rod 10 includes longitudinal tie rods 10.1 and a V-shaped tie rod 10.2, the longitudinal tie rods 10.1 being parallel to the suspension side beams 2.1 of the suspension 2, one of the ends of the longitudinal tie rods 10.1 with the tie rod seat 8 of the upper mounting frame 13.1 connected respectively and the other ends connected to the drawbar seat 8 of the suspension 2; the V-shaped tie rod 10.2 includes a pair of diagonal tie rods symmetrical to the longitudinal center line of the bogie (the longitudinal center line of the bogie is almost parallel to the direction of extension of the suspension side beams), the diagonal tie rods and the longitudinal tie rods 10.1 at certain angles to each other, one of the ends of the diagonal tie rods is respectively connected to the tie rod seat of the upper mounting frame, and the other ends are connected to the tie rod seat of the suspension. The longitudinal tie rods and the V-shaped tie rod are arranged between the axle attachment device and the suspension, which can transmit traction and braking forces and at the same time can overcome the pitching movement caused by the traction and braking of the vehicle. The V-shaped drawbar at a certain angle to the direction of pull can also transfer lateral loads.

Referring to 10 the uniaxial rubber wheel bogie further includes a vertical shock absorber 17, the lower end of the shock absorber 17 being connected to the guide frame 1 and the upper end being connected to the suspension 2; preferably, the vertical shock absorber 17 is at a certain angle to the vertical direction, and the inclined arrangement is favorable for the lateral damping effect of the vertical shock absorber. The air spring 3 and the vertical shock absorber 17 together form a secondary damping device. Two longitudinal shock absorbers 18 are arranged above the suspension 2, one of the ends of the longitudinal shock absorbers 18 is connected to the suspension, respectively, and the other ends are connected to the vehicle body. The longitudinal shock absorbers 18 can absorb the impact caused by the relative rotation of the vehicle body and the suspension 2, thereby improving the comfort of a vehicle turning. The air spring 3 is provided with a height adjustment device (not shown). The height adjustment device is used to adjust the height of the air spring 3 to adjust the floor of the vehicle (body) to remain level.

Referring to 1 a rotary support mechanism 19 is fixedly arranged in the central part of the suspension side beam 2.1. The rotation support mechanism 19 is interposed between the suspension 2 and the vehicle body (not shown) so that the vehicle can run smoothly along a route with a tight turning radius. The rotary support mechanism 19 is similar to a thrust bearing and includes a ball unit at the center and a top cover ring and a bottom cover ring covering the ball unit.

Referring to 1 and 2 A pair of guide wheels 11 is mounted on the guide wheel mounting seats 6 of the guide frame end beams 1.2 and is symmetrical about the center line in the longitudinal direction of the bogie, and the axis of rotation of the guide wheels 11 runs in the vertical direction. The cross section of a guide rail 20 is T-shaped, the pair of guide wheels 11 are clamped on the vertical part of the guide rail 20, and the horizontal part of the guide rail 20 can prevent falling.

Referring to 1 and 11 the driving device is a motor 14, the motor 14 is mounted on the motor mounting seat 9 by means of a mounting plate 21, the mounting plate 21 is fixedly connected to the motor 14 by first bolts 22 (examples of first fastening means), the mounting plate 21 is fixed to the motor mounting seat 9 connected by second bolts 23 (examples of second fasteners), and an elastic rubber pad is sleeved over the second bolt 23 . This assembling method can achieve elastic suspension of the engine and improve convenience in maintenance.

The embodiments of the present invention are described above with reference to the accompanying drawings, and the embodiments of the present invention and the features of the embodiments can be combined with each other without conflict. The present invention is not limited to the specific embodiments mentioned above and the above specific embodiments mentioned are merely illustrative but not restrictive. Many forms can be made by those skilled in the art upon enlightenment of the present invention without departing from the purpose of the present invention and the scope of the claims, and all such forms fall within the scope of the present invention.

Claims (10)

A single-axle rubber-wheeled bogie, containing: a framework, the framework comprising a guide frame (1) and a suspension (2), the suspension (2) being arranged above the guide frame (1) by means of at least four elastic elements, and a guide wheel (11) fixed on the guide frame ( 1) arranged; an axle device (12), rubber wheels (25) being arranged at two ends of the axle device (12), the axle device (12) being located between the suspension (2) and the guide frame (1); and an axle attachment device (13), the axle attachment device (13) being used for attaching the axle device (12) on the guide frame (1); wherein a drawbar (10) is connected between the axle attachment device (13) and the suspension (2), a driving device is further arranged on the suspension (2), and the driving device is used for providing power to the axle device (12). Uniaxial rubber wheel bogie according to claim 1 , wherein the elastic elements are air springs (3), the guide frame (1) includes two guide frame side supports (1.1) and two guide frame end supports (1.2) formed into a mouth shape, and an air spring mounting seat (4) on each of the four corners of the guide frame (1), an axle mounting seat (1.4) is provided on an upper surface of the middle part of each guide frame side member (1.1); the suspension (2) includes two suspension side brackets (2.1) and two suspension end brackets (2.2), and an air spring mounting seat (4) is provided at each of four corners of the suspension (2); and the guide frame (1) and the suspension (2) are connected by the air springs (3). Uniaxial rubber wheel bogie according to claim 2 wherein a motor mounting seat (9) for mounting the driving device is provided on one of the suspension end brackets (2.2), and a tie rod seat (8) for connecting the tie rod (10) is provided on the other suspension end bracket (2.2); and preferably a rotary support mechanism (19) is fixedly arranged in the middle part of the suspension side beam (2.1). Uniaxial rubber wheel bogie according to claim 3 , wherein the axle attachment device (13) contains an upper attachment frame (13.1), a lower attachment frame (13.2) and a attachment bolt (13.3), the upper attachment frame (13.1) being located above the axle device (12), the lower attachment frame (13.2 ) is located under the guide frame (1), the fastening bolt (13.3) fastens the upper fastening frame (13.1) and the lower fastening frame (13.2), and the upper fastening frame (13.1) is provided with a tie rod seat (8). Uniaxial rubber wheel bogie according to claim 4 wherein a concave and/or convex positioning structure (16) corresponding to the lower fixing frame (13.2) is provided on a lower surface of the guide frame side beam (1.1), a concave and/or convex positioning structure (16) corresponding to the axle device (12). an upper surface of the lead frame side member (1.1), and a concave and/or convex positioning structure (16) corresponding to the axle device (12) is provided on a lower surface of the upper mounting frame (13.1). Uniaxial rubber wheel bogie according to claim 4 or 5 wherein the tie rod (10) comprises a longitudinal tie rod (10.1) and a V-shaped tie rod (10.2), the longitudinal tie rod (10.1) being parallel to the suspension side beam (2.1) of the suspension (2), one end the longitudinal direction tie rod (10.1) is connected to the tie rod seat (8) of the upper mounting frame, and the other end of the longitudinal direction tie rod (10.1) is connected to the tie rod seat (8) of the suspension (2); the V-shaped drawbar (10.2) includes a pair of diagonal drawbars longitudinally symmetrical to the center line of the bogie, the diagonal drawbar and the longitudinal drawbar (10.1) being at certain angles, one end of the diagonal drawbar with the drawbar seat (8) of the upper mounting frame and the other end of the diagonal tie rod is connected to the tie rod seat (8) of the hanger (2). Uniaxial rubber wheel bogie according to claim 2 wherein projecting brackets (1.3) are provided at four corners of the guide frame (1), and an air spring mounting seat (4) at each projecting bracket ger (1.3), protruding suspension beams (2.4) extending downward are provided at four corners of the suspension (2), and the air spring seats (4) are provided at the lower ends of the protruding suspension beams (2.4). Uniaxial rubber wheel bogie according to claim 1 , further comprising a vertical vibration absorber (17), wherein a lower end of the vertical shock absorber (17) is connected to the guide frame (1), and an upper end of the vertical shock absorber (17) is connected to the suspension (2); and preferably wherein the vertical shock absorber (17) is at a certain angle to the vertical direction. Uniaxial rubber wheel bogie according to claim 1 wherein a pair of guide wheels (11) are mounted and symmetrical to the center line in the longitudinal direction of the bogie, and the axis of rotation of the guide wheels is in the vertical direction. Uniaxial rubber wheel bogie according to claim 3 , wherein the driving device is a motor (14), the motor (14) is mounted on the motor mounting seat (9) by means of a mounting plate (21), the mounting plate (21) is fixedly connected to the motor (14) by a first fastening means, the mounting plate is connected to the engine mounting seat (9) by a second fastening means, and an elastic rubber pad (24) is put over the second fastening means.

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