CN206202314U - Bogie assembly and straddle-type single-track vehicle - Google Patents

Abstract

The utility model discloses a kind of bogie assembly and straddle-type single-track vehicle, the bogie assembly includes：Bogie frame；Haulage gear, the haulage gear includes hitch frame, and the hitch frame is arch, and the hitch frame rides on the bogie frame along the longitudinal direction, and is suitable to be connected with car body；Elastic component, the elastic component is arranged on the bogie sole bar for supporting the car body.The scope of application of bogie assembly of the present utility model is wider, the haulage gear of the suspension of elastic component formula and said structure form is coordinated so that the more stable reliability of work of bogie assembly.

Description

Bogie assembly and straddle type monorail vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing, particularly, relate to a bogie assembly and have a formula monorail vehicle strides of this bogie assembly.

Background

The laying cost of the straddle type monorail traffic system is far lower than that of an underground railway traffic system, and the application range of the straddle type monorail traffic system is wider. The suspension system is an important transmission component of the straddle type monorail vehicle, and the performance of the suspension system directly influences the safety, riding comfort and the like of the straddle type monorail vehicle. In the related art, the height of a suspension system cannot be adjusted, the application vehicle type is narrow, and an improvement space exists.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses an aim at provides a steering frame assembly of job stabilization.

Another object of the present invention is to provide a straddle type monorail vehicle with the bogie assembly.

According to the utility model discloses the bogie assembly of first aspect embodiment includes: a bogie frame; the traction mechanism comprises a traction frame, the traction frame is arched, straddles the bogie frame along the front-back direction, and is suitable for being connected with a vehicle body; an elastic member mounted on the bogie member for supporting the vehicle body.

According to the utility model discloses the application scope of bogie assembly of the first aspect embodiment is wider, with the suspension of elastic component formula and the drive mechanism cooperation of above-mentioned structural style for the work of bogie assembly is more reliable and more stable.

In addition, the bogie assembly according to the above embodiment of the present invention may further have the following additional technical features:

in some preferred embodiments of the present invention, the elastic member is connected to a suspension support base of the bogie frame.

Preferably, the bogie assembly further comprises: the supporting plate is installed on the suspension supporting seat, and the elastic piece is installed on the supporting plate.

Specifically, the support plates extend in the front-rear direction, and two elastic members are mounted on each support plate.

Specifically, the bogie frame is provided with two suspension supporting seats which are spaced along the left-right direction, and a supporting plate is connected to each suspension supporting seat.

In some preferred embodiments of the present invention, the towing mechanism further includes a kingpin assembly through which the towing bracket passes and the vehicle body connection, and the kingpin assembly is configured such that the rigidity in the front-rear direction is greater than the rigidity in the left-right direction, and includes: the pin shaft is fixedly connected to the top wall of the traction frame; a pin bushing mount adapted to connect with the vehicle body; the pin bush is connected with the pin bush mounting seat and sleeved outside the pin shaft.

Preferably, the pin boss mount includes: the fixed cylinder is sleeved outside the pin sleeve, and a buffer piece is filled between the fixed cylinder and the pin sleeve; the mounting panel, the mounting panel with the solid fixed cylinder links to each other, and be suitable for with vehicle connection.

Specifically, the mounting plate surrounds the fixed cylinder along a circumferential wall of the fixed cylinder.

Specifically, the fixed cylinder has an elliptical horizontal cross section with a major axis of the ellipse in the front-rear direction and a minor axis of the ellipse in the left-right direction.

Specifically, the buffer member has an elliptical horizontal cross section with a major axis of the ellipse along a front-rear direction and a minor axis of the ellipse along a left-right direction.

Preferably, a gap is formed in the buffer member, and the gap is located on the left side or the right side of the pin shaft.

Specifically, the number of the gaps is two, and the two gaps are located on the left side and the right side of the pin shaft respectively.

Specifically, the horizontal section of the gap is arched and comprises a first section, a second section and a third section which are sequentially connected in the front-back direction, the second section is a rectangle with a long edge facing the pin bush, the first section is an arc-shaped section which extends from a short edge of the second section to the edge of the buffer piece, and the first section and the third section are symmetrically arranged.

Preferably, the buffer comprises a plurality of sub-buffers.

Specifically, the buffer is divided into four sub-buffers by two parallel dividing surfaces and the pin bush, the normal of the dividing surfaces is along the front-back direction, and the dividing surfaces intersect with the pin bush.

Specifically, a gap is formed in the buffer piece, the gap divides the sub buffer piece between the two dividing surfaces into two parts, the part of the two parts, which is close to the pin sleeve, is fixedly connected with the pin sleeve, and the part of the two parts, which is close to the fixed cylinder, is fixedly connected with the fixed cylinder.

The straddle-type monorail vehicle according to the second aspect of the invention is provided with the bogie assembly as described in any one of the first aspect.

The advantages of the straddle-type monorail vehicle and the bogie assembly relative to the prior art are the same, and are not described in detail herein.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a bogie assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a bogie frame and a traction mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a traction mechanism according to an embodiment of the present invention;

FIG. 4 is a top view of a kingpin assembly according to an embodiment of the present disclosure;

fig. 5 is a schematic structural view of a traction mechanism according to another embodiment of the present invention;

FIG. 6 is a cross-sectional view of a kingpin assembly according to another embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an electric assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an electric assembly (without a brake) according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a brake according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a suspension system according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a bogie assembly according to a further embodiment of the present invention;

fig. 12 is a schematic structural view of a bogie assembly according to still another embodiment of the present invention.

Reference numerals:

the bogie assembly 1000 is provided with a bogie frame,

a bogie frame 100, a frame body 110, a motor mounting bracket 111, a suspension support base 120,

the pulling means (200) is provided in the drawing,

a traction frame 210, a top wall 211, a side wall 212, a reinforcing rib 212a, a first fixed seat 213, a first connecting arm 213a, a first mounting plate 213b, a second fixed seat 214, a second connecting arm 214a, a second mounting plate 214b, a lightening hole 215,

the damper includes a towing pin assembly 220, a pin shaft 221, a flange 221a, a threaded section 221b, a pin bushing 222, a fixed cylinder 223, a mounting plate 224, a buffer 225, sub-buffers 225a, 225b, 225c, 225d, a dividing surface 225e, a gap 226, a first section 226a, a second section 226b, a third section 226c, a bushing 227, an upper damping pad 228a, a lower damping pad 228b, a nut 229a, a gasket 229b,

running wheels 300, guide wheels 400, stabilizing wheels 500,

an electric assembly 600, a traction motor 610, a gear reducer 620, a planetary gear reducer 630, a brake 640, a brake disc 641, a brake caliper 642, a brake drive unit 643,

suspension system 700, suspension mount 710, lateral vibration damper 720, vertical vibration damper 730, elastomeric member 740, air spring 761, support plate 762,

rail beam 2000, conductor rail 2001.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it should be understood that "the front-back direction" and "the longitudinal direction" are the traveling direction of the straddle-type monorail vehicle, that is, the extending direction of the track beam 2000, "the left-right direction" is perpendicular to the traveling direction of the straddle-type monorail vehicle, "the left-right direction" is "the lateral direction" of the straddle-type monorail vehicle, "the up-down direction" is the up-down direction in the conventional concept, "the inner side" means the direction close to the track beam 2000, and "the outer side" means the direction away from the track beam 2000.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A bogie assembly 1000 according to an embodiment of the present invention is described in detail with reference to the accompanying drawings. As shown in fig. 1-12, the bogie assembly 1000 includes a bogie frame 100, a traction mechanism 200, running wheels 300, guide wheels 400, stabilizing wheels 500, a motorized assembly 600, and a suspension system 700.

The bogie frame 100 is provided with a track concave part for straddling on the track beam 2000, the traction mechanism 200, the walking wheels 300, the guide wheels 400, the stabilizing wheels 500, the electric assembly 600 and the suspension system 700 are all arranged on the bogie frame 100, the suspension system 700 is supported between the bogie frame 100 and the body of the straddle type monorail vehicle, the electric assembly 600 is used for driving the walking wheels 300 to move along the walking surface of the track beam 2000, the traction mechanism 200 is connected between the bogie frame 100 and the body of the straddle type monorail vehicle, the traction mechanism 200 is used for transmitting the power of the walking wheels 300 to the body, and the guide wheels 400 and the stabilizing wheels 500 clamp the side wall of the track beam 2000.

The following describes the running wheels 300, guide wheels 400, and stabilizing wheels 500 according to an embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 12, the running wheels 300 run along the running surface (upper surface) of the rail beam 2000, at least one running wheel 300, and the rotation axis of the running wheel 300 is parallel to the running surface of the rail beam 2000, and preferably, the running wheels 300 may include rubber tires, so that the straddle-type monorail vehicle is more resistant to vibration, but the running wheels 300 may be steel wheels.

As shown in fig. 1, 11 and 12, the bogie assembly 1000 may have two pairs of guide wheels 400, the two pairs of guide wheels 400 being spaced apart in the front-rear direction, each pair of guide wheels 400 including two guide wheels 400, and the two guide wheels 400 being symmetrically disposed about the track beam 2000, the two guide wheels 400 being in contact with one side wall of the track beam 2000, respectively, and the distances from the rotational axes of the two guide wheels 400 in the same pair of guide wheels 400 to the rotational axes of the running wheels 300 being equal.

The number of the stabilizing wheels 500 is at least two, two stabilizing wheels 500 are symmetrically disposed about the rail beam 2000, and the two stabilizing wheels 500 are respectively in contact with one sidewall of the rail beam 2000, and the rotation axis of each stabilizing wheel 500 is perpendicular to the rotation axis of the running wheel 300.

A traction mechanism 200 according to an embodiment of the present invention is described below with reference to fig. 2-6. As shown in fig. 2-6, the towing mechanism 200 includes a tow frame 210 and a tow pin assembly 220, the tow frame 210 being connected to the bogie frame 100, the tow pin assembly 220 being connected to the tow frame 210, and the tow pin assembly 220 being adapted to be connected to the vehicle body, the towing force being transmitted through the bogie frame 100, the tow frame 210, the tow pin assembly 220 and the vehicle body in turn.

A traction frame 210 according to an embodiment of the present invention will be described first with reference to fig. 2. As shown in fig. 2, the traction frame 210 includes a top wall 211, a side wall 212, and a fixing base.

The upper ends of the two side walls 212 are connected with the front end of the top wall 211 and the rear end of the top wall 211 respectively, the lower end of each side wall 212 is provided with a plurality of fixing seats, the fixing seats are used for being connected with the bogie frame 100, the fixing seats connected below the two side walls 212 are connected with the front arm and the rear arm of the bogie frame 100 respectively, so that the traction frame 210 is suitable for straddling on the bogie frame 100 along the front-rear direction, the rigidity of the traction frame 210 in the front-rear direction is larger than that of the traction frame 210 in the left-right direction, and the traction frame 210 is beneficial to transmitting traction force in the front-rear direction.

Referring to fig. 2, the plurality of fixing seats located at the lower end of the same sidewall 212 include a first fixing seat 213 and a second fixing seat 214, the first fixing seat 213 and the second fixing seat 214 are arranged in the left-right direction, the left half section and the right half section of the frame body 110 of the bogie frame 100 are different in height, and the left half section and the right half section are connected by an arc-shaped section, so that the strength of the bogie frame 100 is higher, and the bottom surface of the first fixing seat 213 and the bottom surface of the second fixing seat 214 are not at the same horizontal plane to be matched with the frame body 110 of the bogie frame 100. Thus, the hitch frame 210 is strong in installation and better fits the truck frame 100, helping to better transmit the towing forces.

According to the utility model discloses traction frame 210 through setting up a plurality of fixing bases of highly misplacing, helps traction frame 210 and bogie frame 100's cooperation, and traction frame 210's intensity is big, can bear great traction force, and the traction process is reliable and stable.

The side wall 212 and the top wall 211 of the traction frame 210 may be formed in an arch shape, the traction frame 210 is adapted to cover the upper side of the running wheels 300, the top wall 211 may be in a flat plate shape, the top wall 211 is adapted to be connected to the vehicle body, the side wall 212 may be in an arc shape, specifically, referring to fig. 2, the side wall 212 includes a plurality of sequentially connected arc-shaped sections, and the width of the side wall 212 is gradually increased from top to bottom, so that the strength of the traction frame 210 is higher, and the traction stability is higher.

The left and right edges of the sidewall 212 may be provided with reinforcing ribs 212a to reinforce the strength of the sidewall 212. Taking the left side of the sidewall 212 as an example, the upper edge and the lower edge of the left side of the sidewall 212 respectively extend laterally outward to the left to form the rib 212a, and the rib 212a on the right side of the sidewall 212 is formed in the same manner as on the left side.

Referring to fig. 2, the first fixing seat 213 and the corresponding second fixing seat 214 may be hollowed out to form a lightening hole 215, so that the weight of the traction frame 210 may be reduced without affecting the transmission of traction force, which is helpful for improving the light weight level of the traction frame 210, an arc transition angle may be provided between the side wall of the lightening hole 215 and the top wall of the lightening hole 215, so as to prevent stress concentration at the connection between the side wall of the lightening hole 215 and the top wall of the lightening hole 215, and the durability of the traction frame 210 is higher.

The first fixing base 213 may include a first connection arm 213a and a first mounting plate 213b, the first connection arm 213a is connected to the corresponding side wall 212, the first mounting plate 213b is connected to the first connection arm 213a, referring to fig. 2, an upper end of the first connection arm 213a is connected to the corresponding side wall 212, a lower end of the first connection arm 213a is connected to the corresponding first mounting plate 213b, the first connection arm 213a and the first mounting plate 213b may be welded, the first mounting plate 213b is adapted to be connected to the bogie frame 100, and a plurality of mounting holes may be formed in the first mounting plate 213b through which threaded fasteners are connected to the frame body 110 of the bogie frame 100.

The second fixing base 214 may include a second connecting arm 214a and a second mounting plate 214b, the second connecting arm 214a is connected to the corresponding side wall 212, the second mounting plate 214b is connected to the second connecting arm 214a, referring to fig. 2, an upper end of the second connecting arm 214a is connected to the corresponding side wall 212, a lower end of the second connecting arm 214a is connected to the corresponding second mounting plate 214b, the second connecting arm 214a and the second mounting plate 214b may be welded, the second mounting plate 214b is adapted to be connected to the bogie frame 100, and the second mounting plate 214b may have a plurality of mounting holes through which threaded fasteners are connected to the frame body 110 of the bogie frame 100.

Preferably, the first connecting arm 213a and the second connecting arm 214a are integrally formed with the corresponding side wall 212, the first connecting arm 213a is integrally formed with the corresponding side wall 212, the second connecting arm 214a is integrally formed with the corresponding side wall 212, and the reinforcing rib 212a may extend from an edge of the side wall 212 up to an outer side edge of the first connecting arm 213a, an outer side edge of the second connecting arm 214a, and a lower side edge of the top wall 211.

The utility model also discloses a bogie assembly 1000, the utility model discloses bogie assembly 1000 of the embodiment is provided with the traction frame 210 of any kind of above-mentioned embodiment description, and traction frame 210 links to each other with bogie frame 100 of bogie assembly 1000. According to the utility model discloses bogie assembly 1000, bogie assembly 1000's traction force transmission is stable, can bear great drive power.

The utility model also discloses a straddle type monorail vehicle, the utility model discloses a straddle type monorail vehicle is provided with the bogie assembly 1000 of any kind of above-mentioned embodiment description, and bogie assembly 1000's traction frame 210 links to each other with straddle type monorail vehicle's automobile body. According to the utility model discloses straddle type monorail vehicle, the transmission of traction force is stable.

A kingpin assembly 220 in accordance with an embodiment of the present invention is described below with reference to fig. 2-6.

As shown in fig. 2-4, in some alternative embodiments of the present invention, the towing pin assembly 220 includes a pin shaft 221 and a body attachment, the pin shaft 221 is connected with the towing bracket 210 and the body attachment, the body attachment is adapted to be connected with a vehicle body, and the body attachment is configured such that the rigidity in the front-rear direction is greater than the rigidity in the left-right direction.

It can be understood that, in the operation process of the traction mechanism 200, the traction force is mainly along the front and rear direction, the traction force is transmitted from the traction frame 210 to the vehicle body through the pin shaft 221 and the vehicle body connecting piece, and by setting the vehicle body connecting piece to have rigidity in the front and rear direction larger than rigidity in the left and right direction, the vehicle body connecting piece can be prevented from being damaged, the traction is more stable, and stress concentration during steering is avoided.

Referring to fig. 3 and 4, the body attachment may include a pin sleeve mount and a pin sleeve 222. The pin bush 222 is connected with the pin bush mounting seat, the pin bush mounting seat is suitable for being connected with a vehicle body, the pin bush mounting seat can comprise a fixed cylinder 223 and a mounting plate 224, the mounting plate 224 is connected with the fixed cylinder 223, the fixed cylinder 223 can be sleeved outside the pin bush 222, a buffer 225 is filled between the fixed cylinder 223 and the pin bush 222, one end of the pin shaft 221 is fixedly connected to the top wall 211 of the traction frame 210, for example, the pin shaft 221 can be connected with the top wall 211 of the traction frame 210 in a welding mode, the pin bush 222 is sleeved outside the pin shaft 221, and the pin bush 222 can be in interference fit with the pin shaft 221, so that abrasion is not easy to generate between the pin bush 222 and the pin shaft.

The mounting plate 224 is adapted to be coupled to the vehicle body, for example, the mounting plate 224 may be coupled to the vehicle body by a screw fastener, the mounting plate 224 may surround the fixing cylinder 223 along a circumferential wall of the fixing cylinder 223, the fixing cylinder 223 may penetrate the mounting plate 224, and a portion of the fixing cylinder 223 above the mounting plate 224 may have a height smaller than a height of a portion below the mounting plate 224, and the portion of the fixing cylinder 223 above the mounting plate 224 may be fitted to a recess on the vehicle body to achieve positioning when the vehicle body coupling member is coupled to the vehicle body.

When the traction mechanism 200 works, traction force is sequentially transmitted among the traction frame 210, the pin shaft 221, the pin bush 222, the buffer 225, the fixed cylinder 223 and the mounting plate 224 and then transmitted to a vehicle body to realize traction, noise is low during traction force transmission, traction is stable, and large traction force can be borne.

Preferably, referring to fig. 4, the fixed cylinder 223 may have an elliptical horizontal section with a major axis of the ellipse along the front-rear direction and a minor axis of the ellipse along the left-right direction, and the buffer 225 has an elliptical horizontal section with a major axis of the ellipse along the front-rear direction and a minor axis of the ellipse along the left-right direction. In this way, the rigidity of the vehicle body attachment in the front-rear direction can be made larger than the rigidity in the left-right direction, and the cushion member 225 can absorb more vibration in the front-rear direction, and the anti-vibration performance of the traction mechanism 200 is better.

Specifically, as shown in fig. 4, the buffer 225 may have a gap 226 therein, the gap 226 may be located on the left side or the right side of the pin sleeve 222, preferably, the gap 226 may be two, two gaps 226 may be located on the left side and the right side of the pin sleeve 222, respectively, the two gaps 226 may be symmetrically disposed about a symmetry plane, a normal of the symmetry plane is along the left-right direction, and the central axis of the pin sleeve 222 is in the symmetry plane.

It can be understood that, during the operation of the traction mechanism 200, the traction force is mainly in the front-rear direction, the vibration impact is mainly from the front-rear direction, and by providing the slits 226 on the left and right sides of the pin bosses 222, the mass of the traction mechanism 200 can be reduced, the rigidity of the vehicle body attachment in the left-right direction can be reduced, and the connection strength of the vehicle body attachment in the left-right direction can be increased.

Referring to fig. 4, the horizontal section of the slit 226 may be an arc shape, the slit 226 includes a first section 226a, a second section 226b, and a third section 226c sequentially connected in a front-rear direction, the second section 226b is a rectangle, a long side of the second section 226b faces the pin bushing 222, the first section 226a is an arc-shaped section extending from a short side of the second section 226b to an edge of the buffer 225, and the first section 226a and the third section 226c are symmetrically disposed.

The buffer member 225 may include a plurality of sub-buffer members 225, and as shown in fig. 4, the buffer member 225 may be divided into four sub-buffer members 225 by two parallel dividing surfaces 225e and the pin sleeve 222, a normal of the dividing surface 225e is along the front-rear direction, and both the dividing surfaces 225e intersect with the pin sleeve 222.

For the sake of convenience, the four sub-buffers are numbered 225a, 225b, 225c, 225d in sequence, the sub-buffer 225a is symmetrically disposed with respect to the sub-buffer 225c, the sub-buffer 225b is symmetrically disposed with respect to the sub-buffer 225d, and the sub-buffer 225b is located between the two division planes 225 e.

Each slit 226 divides the sub-cushion 225b and the sub-cushion 225d into two parts, wherein the part of the two parts near the pin sleeve 222 is fixedly connected with the pin sleeve 222, the part near the fixed cylinder 223 is fixedly connected with the fixed cylinder 223, for example, the cushion 225 may be rubber, the pin sleeve 222 and the fixed cylinder 223 may be metal, and the cushion 225 may be vulcanized with the pin sleeve 222 and the fixed cylinder 223. This prevents the two portions of the sub-buffers 225b and 225d partitioned by the slit 226 from shaking in the left-right direction.

As shown in fig. 5-6, in other alternative embodiments of the present invention, the towing pin assembly 220 may include a pin shaft 221, the pin shaft 221 is connected to the top wall 211 of the towing bracket 210, the top wall 211 of the towing bracket 210 may have a mounting hole, a lower end of the pin shaft 221 may have a threaded section 221b, the pin shaft 221 passes through the mounting hole, the threaded section 221b is fixed by a nut 229a, the nut 229a may be located below the top wall 211 of the towing bracket 210, a gasket 229b may be interposed between the nut 229a and the top wall 211 of the towing bracket 210, an upper end of the pin shaft 221 may have a flange 221a, and the flange 221a is adapted to be connected to the vehicle body by a threaded fastener.

Preferably, the kingpin assembly 220 may further include an upper vibration damping pad 228a and a lower vibration damping pad 228b, the upper vibration damping pad 228a may be interposed between the flange 221a and the upper surface of the top wall 211 of the traction frame 210, the lower vibration damping pad 228b may be interposed between the nut 229a and the lower surface of the top wall 211, specifically, the lower vibration damping pad 228b may be interposed between the lower surface of the top wall 211 and the gasket 229b, and both the upper vibration damping pad 228a and the lower vibration damping pad 228b may be rubber members.

Towing pin subassembly 220 can also include bush 227, bush 227 cover is established outside round pin axle 221, the length of bush 227 can be the same with the thickness of the roof 211 of traction frame 210, bush 227 can be the multilayer, bush 227 can include outer steel bushing, inlayer steel bushing and cushion collar, the cushion collar is located between outer steel bushing and the inlayer steel bushing, the cushion collar can be the rubber spare, outer steel bushing can with the mounting hole interference fit on the roof 211 of traction frame 210, the inlayer steel bushing cover is established outside round pin axle 221, and the inlayer steel bushing can with round pin axle 221 interference fit.

The utility model discloses drive mechanism 200, the traction frame 210 that has any kind of above-mentioned embodiment and the towing pin subassembly 220 of any kind of embodiment, drive mechanism 200's intensity is big like this, can bear great traction force, and the traction process is reliable and stable, and the noise is little.

The utility model also discloses a bogie assembly 1000, the utility model discloses bogie assembly 1000 of the embodiment is provided with the drive mechanism 200 of any kind of above-mentioned embodiment description, and drive mechanism 200 links to each other with bogie frame 100 of bogie assembly 1000. According to the utility model discloses bogie assembly 1000, bogie assembly 1000's traction force transmission is stable, can bear great drive power.

The utility model also discloses a straddle type monorail vehicle, the utility model discloses a straddle type monorail vehicle is provided with the bogie assembly 1000 of any kind of above-mentioned embodiment description, and bogie assembly 1000's traction frame 210 links to each other with straddle type monorail vehicle's automobile body. According to the utility model discloses straddle type monorail vehicle, the transmission of traction force is stable.

An electric powertrain 600 according to an embodiment of the present invention is described below with reference to fig. 1 and 7-9.

Referring to fig. 1 and 7, the electric assembly 600 is mounted on the bogie frame 100, and the electric assembly 600 includes a traction motor 610, a gear reducer 620 and a planetary wheel-side reducer 630, the traction motor 610 is connected to an input shaft of the gear reducer 620, an output shaft of the gear reducer 620 is connected to an input end of the planetary wheel-side reducer 630, an output end of the planetary wheel-side reducer 630 is connected to a hub of the running wheel 300, and the electric assembly 600 can take power from a conductive rail 2001 on the track beam 2000.

That is to say, electric assembly 600 includes two-stage reduction mechanism at least, and electric assembly 600's drive ratio is big, can adopt high rotational speed's traction motor 610 in a certain extent, and electric assembly 600's energy utilization is high, is favorable to energy-concerving and environment-protective.

The utility model discloses bogie assembly 1000 adopts traction motor 610, gear reducer 620, and planet wheel reduction 630 and wheel hub etc. attach together integrative drive scheme, and overall structure is simple, and occupation space is few, can realize low floor structure, light in weight, and energy utilization is high, is favorable to energy-concerving and environment-protective.

Preferably, the motor-driven unit 600 may be disposed inside the bogie frame 100, and the traction motor 610 may be disposed transversely, i.e., the axis of the motor shaft of the traction motor 610 is in the transverse direction (left-right direction). Thus, the truck assembly 1000 is compact and has small lateral and longitudinal dimensions. Traction motor 610 can link to each other with gear reducer 620's box, gear reducer 620's box links to each other with bogie frame 100, can be equipped with motor installing support 111 on the bogie frame 100, gear reducer 620's box can be connected with motor installing support 111 through threaded fastener, motor installing support 111 can be two, two motor installing support 111 are along the fore-and-aft direction spaced apart with centre gripping electronic assembly 600, motor installing support 111 can include connecting plate and support radials, connecting plate and gear reducer 620's box threaded connection, support the radials and can be constructed for triangle-shaped, and support one side of radials and link to each other with the connecting plate welding, the opposite side links to each other with bogie frame 100 welding.

Preferably, the electric powertrain 600 may further include a brake 640, and the brake 640 may be disposed between the traction motor 610 and the running wheels 300, and in particular, referring to fig. 7, the brake 640 may be installed between the gear reducer 620 and the hubs of the running wheels 300. Thus, the mounting position of the brake 640 is not required to be separately arranged on the bogie frame 100, the weight of the bogie assembly 1000 can be reduced, the space utilization rate is remarkably improved, and a space is provided for the arrangement of other parts.

Referring to fig. 9, the brake 640 may include a brake disc 641, a brake caliper 642 and a brake driving unit 643, wherein the brake disc 641 may be connected to the hub of the running wheel 300, for example, the brake disc 641 may be connected to the hub of the running wheel 300 through a threaded connection, the brake caliper 642 may be connected to the housing of the gear reducer 620, and the brake driving unit 643 is configured to drive the brake caliper 642, preferably, the brake driving unit 643 may be a cylinder, and of course, the brake 640 according to the embodiment of the present invention may also be a hydraulic brake driving unit 643 or a pneumatic-hydraulic brake driving unit 643.

The utility model also discloses a bogie assembly 1000, the utility model discloses bogie assembly 1000 of embodiment includes bogie frame 100, walks capable wheel 300 and any kind of electric assembly 600 of above-mentioned embodiment description. According to the utility model discloses bogie assembly 1000, overall structure is simple, and occupation space is few, light in weight, and energy utilization is high, is favorable to energy-concerving and environment-protective.

The utility model also discloses a straddle type monorail vehicle, the utility model discloses a straddle type monorail vehicle includes the bogie assembly 1000 of any kind of embodiment description above-mentioned. According to the utility model discloses stride sitting posture monorail vehicle, simple structure strides sitting posture monorail vehicle's light in weight, and the efficiency is high, is favorable to energy-concerving and environment-protective.

A suspension system 700 according to an embodiment of the present invention is described below with reference to fig. 1 and 11-12.

In some preferred embodiments of the present invention, as shown in fig. 10, the suspension system 700 shock absorber assembly is supported between the bogie frame 100 and the vehicle body, the suspension system 700 includes an elastic member 740 and a shock absorber assembly supported between the bogie frame 100 and the vehicle body, the shock absorber assembly may include a suspension mount 710, a lateral shock absorber 720, a vertical shock absorber 730, the suspension mount 710 is adapted to be connected to the vehicle body, the lateral shock absorber 720 is connected between the suspension mount 710 and the bogie frame 100, the vertical shock absorber 730 is connected between the suspension mount 710 and the bogie frame 100, and the elastic member 740 is connected between the suspension mount 710 and the bogie frame 100.

Therefore, the elastic part 740, the transverse shock absorber 720 and the vertical shock absorber 730 can jointly ensure the stability of the straddle type monorail vehicle in the vertical direction, the left-right direction and the front-back direction in the running process, and the suspension system 700 can play a role in damping and buffering, so that the vibration or the jolt feeling of the rail vehicle in the running process can be reduced, and the running noise of the straddle type monorail vehicle can be reduced.

Preferably, the suspension mounting seat 710 is located above the suspension support seat 120, the upper end of the elastic member 740 is connected to the suspension mounting seat 710, and the lower end of the elastic member 740 is connected to the suspension support seat 120. The lateral vibration damper 720 is hinged between the suspension mounting seat 710 and the frame body 110, and the vertical vibration damper 730 is hinged between the suspension mounting seat 710 and the suspension support seat 120.

The transverse vibration absorber 720 is hinged to the frame body 110, the transverse vibration absorber 720 is hinged to the suspension mounting seat 710, the vertical vibration absorber 730 is hinged to the suspension mounting seat 710, and the vertical vibration absorber 730 is hinged to the suspension support seat 120, so that the vibration damping effect of the suspension system 700 can be improved, the stress concentration phenomenon can be prevented, and the reliability of the suspension system 700 can be improved.

Alternatively, as shown in fig. 1, two suspension systems 700 may be symmetrically arranged about the center of the bogie frame 100, so that the vehicle body may be prevented from twisting in a horizontal plane, and thus the smoothness of the rail vehicle during running may be improved.

Referring to fig. 10, in order to make the suspension system 700 reasonable in construction and to make the lateral vibration absorber 720 and the vertical vibration absorber 730 work better, the lateral vibration absorber 720 and the vertical vibration absorber 730 may be respectively located at both sides of the elastic member 740.

Referring to fig. 1, the suspension system 700 may further include a spring limit bracket coupled between the suspension mount 710 and the suspension support base 120. The elastic element limiting bracket is hinged to the suspension mounting seat 710, and is fastened to the suspension support seat 120 through a threaded fastener. The upper end of the elastic part limiting support is hinged to the suspension mounting seat 710, so that the stress concentration phenomenon can be avoided, the rigid fracture of the elastic part limiting support can be avoided, and the structural reliability of the suspension system 700 can be ensured. The elastic member 740 can be effectively protected by the elastic member limiting support, so that the elastic member 740 can be prevented from being deformed too much, and the service life of the elastic member 740 can be prolonged. Alternatively, the elastic member 740 may be an air spring.

The lower end of the elastic part limiting support can be provided with a vibration damping pad, and the vibration damping pad is fixed with the suspension support seat 120. Specifically, the fastener can pass through the damping pad of the elastic element limiting support and then be fixed with the suspension support seat 120, and by arranging the damping pad of the elastic element limiting support, the rigid collision and impact between the suspension support seat 120 and the elastic element limiting support can be reduced, and the noise between the suspension support seat 120 and the elastic element limiting support can be reduced, so that the structural reliability of the bogie assembly 1000 can be improved. Wherein, the damping pad of the spacing support of elastic component can be the rubber pad.

A portion of the damping pad of the elastic member limit bracket protrudes to form a protrusion, and a groove for fitting the protrusion is formed on the suspension support base 120. The lug can cooperate in the recess, can be convenient for the assembly between the damping pad of the spacing support of elastic component and the suspension support seat 120 on the one hand like this, and on the other hand can promote the damping effect of the damping pad of the spacing support of elastic component to the noise that can reduce bogie assembly 1000 department better.

The elastic element limiting bracket can be generally triangular, the vertex of the elastic element limiting bracket is hinged on the suspension mounting seat 710, and a plurality of mounting holes for the fasteners to pass through are formed in the bottom edge of the elastic element limiting bracket. The area of contact between the base of the spacing support of elastic component and the suspension support seat 120 is great like this to can make everywhere atress even, can improve the spacing support of elastic component and hang the reliability of being connected between the support seat 120, and can also be convenient for arrange the mounting hole that supplies the fastener to pass more like this, thereby can improve the installation reliability between spacing support of elastic component and the suspension support seat 120 better, and then can improve bogie assembly 1000's structural reliability.

The elastic member limiting bracket may be constructed in a plate-shaped structure, and the elastic member limiting bracket may be provided with a fastener relief hole. Therefore, the fastener can conveniently stretch into the corresponding mounting hole, and the weight of the elastic part limiting support can be reduced to at least a certain extent through the fastener avoiding hole, so that the rail vehicle can meet the requirement of light weight.

The elastic member limiting bracket may include: the top end of the locating part main body is hinged to the suspension mounting base 710, the locating part bottom plate is connected with the locating part main body, and a mounting hole is formed in the locating part bottom plate. The limiting member base plate corresponds to the vibration damping pad, so that the vibration damping pad can have a vibration damping effect between the limiting member base plate and the suspension support base 120.

Preferably, a supporting column is connected between the limiting member main body and the limiting member bottom plate. The support column can improve the structural strength of the elastic part limiting support to at least a certain extent, and the service life of the elastic part limiting support can be prolonged.

Wherein, the elastic element limiting bracket can be arranged far away from the framework body 110. From this, the position arrangement of the spacing support of elastic component is reasonable, can be so that suspension 700's overall structure nature is better, can improve bogie assembly 1000's structural stability.

In other preferred embodiments of the present invention, as shown in fig. 11, the suspension system 700 may include an elastic member 740, and the bogie assembly 1000 includes the bogie frame 100, the traction mechanism 200, and the suspension system 700.

Wherein the traction mechanism 200 is any one of the traction mechanisms 200 described in the above embodiments, the traction mechanism 200 includes a traction frame 210, the traction frame 210 is arched, the traction frame 210 straddles the bogie frame 100 in the front-rear direction, and the traction frame 210 is adapted to be connected to the vehicle body, a suspension system 700 is mounted on the bogie frame, and the suspension system 700 is used for supporting the vehicle body.

The elastic component 740 can be an air spring, and because the supporting height of the air spring is adjustable, the relative position between the truck body and the truck frame 100 is convenient to adjust, so that the utility model discloses a truck assembly 1000's application scope is wider, with air spring's suspension system 700 and the above-mentioned structural style's drive mechanism 200 cooperation for truck assembly 1000's work is more reliable and more stable.

Preferably, referring to fig. 12, the elastic member 740 is connected to the suspension support 120 of the bogie frame 100, and the bogie assembly 1000 further includes: the bogie frame 100 includes a support plate 762, the support plate 762 is mounted on the suspension support seats 120, elastic members 740 are mounted on the support plate 762, the elastic members 740 may be connected to the support plate 762 by means of screw fasteners, the support plate 762 may extend in a front-rear direction, two elastic members 740 are mounted on each support plate 762, the bogie frame 100 has two suspension support seats 120 spaced apart in a left-right direction, and each suspension support seat 120 is connected to the support plate 762. That is, each bogie frame 100 may include four elastic members 740, and the four elastic members 740 are distributed two by two on both sides of the frame body 110 of the bogie frame 100.

In still other preferred embodiments of the present invention, as shown in fig. 12, the suspension system 700 may include an air spring 761, and the bogie assembly 1000 includes a bogie frame 100, a traction mechanism 200, and a plurality of air springs 761.

The towing mechanism 200 is any one of the towing mechanisms 200 described in the above embodiments, the towing mechanism 200 includes a towing bracket 210, the towing bracket 210 is in an arc shape, the towing bracket 210 straddles the bogie frame 100 along the front-rear direction, the towing bracket 210 is adapted to be connected to a vehicle body, a plurality of air springs 761 are directly mounted on the frame body 110 of the bogie frame to support the vehicle body, the number of the air springs 761 may be four, the four air springs 761 are uniformly distributed at four corners of the frame body 110, and the centers of the four air springs 761 form four vertices of a rectangle. Thus, the support of the suspension system 700 to the vehicle body is uniformly distributed, and the vehicle body nodding can be suppressed.

The utility model also discloses a straddle type monorail vehicle, the utility model discloses a straddle type monorail vehicle includes any kind of suspension 700 of above-mentioned embodiment description. According to the utility model discloses sit astride formula monorail vehicle vibration resistance can be good.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (20)

1. A bogie assembly, comprising:

a bogie frame;

the traction mechanism comprises a traction frame, the traction frame is arched, straddles the bogie frame along the front-back direction, and is suitable for being connected with a vehicle body;

a suspension system supported between the bogie frame and the vehicle body.

2. The bogie assembly of claim 1, wherein the suspension system comprises:

an elastic member mounted on the bogie member for supporting the vehicle body;

a shock absorber assembly supported between the truck frame and the vehicle body.

3. The truck assembly of claim 2 wherein the resilient member is coupled to a suspension support base of the truck frame.

4. The truck assembly of claim 3 further comprising:

the supporting plate is installed on the suspension supporting seat, and the elastic piece is installed on the supporting plate.

5. The truck assembly of claim 4 wherein the support plates extend in a fore-aft direction, and two resilient members are mounted on each support plate.

6. The truck assembly of claim 4 wherein the truck frame has two suspension supports spaced apart in a side-to-side direction, each suspension support having the support plate attached thereto.

7. The truck assembly of claim 2 wherein the resilient member is an air spring.

8. The truck assembly of claim 2 wherein the shock absorber assembly comprises:

a suspension mount adapted to be coupled to the vehicle body;

a transverse damper connected between the suspension mount and the bogie frame;

a vertical shock absorber connected between the suspension mount and the bogie frame; wherein,

the elastic member is connected between the suspension mount and the bogie frame.

9. The bogie assembly of any of claims 1-8 wherein the towing mechanism further comprises a kingpin assembly through which the tow frame is coupled to the vehicle body, the kingpin assembly being configured to have a greater stiffness in the fore-aft direction than in the left-right direction and comprising:

the pin shaft is fixedly connected to the top wall of the traction frame;

a pin bushing mount adapted to connect with the vehicle body;

the pin bush is connected with the pin bush mounting seat and sleeved outside the pin shaft.

10. The truck assembly of claim 9 wherein the pin bushing mount comprises:

the fixed cylinder is sleeved outside the pin sleeve, and a buffer piece is filled between the fixed cylinder and the pin sleeve;

the mounting panel, the mounting panel with the solid fixed cylinder links to each other, and be suitable for with vehicle connection.

11. The truck assembly of claim 10 wherein the mounting plate surrounds the stationary canister along a peripheral wall of the stationary canister.

12. The truck assembly of claim 10 wherein the fixed cylinder has an elliptical horizontal cross-section with the major axis of the ellipse in the fore-aft direction and the minor axis of the ellipse in the left-right direction.

13. The bogie assembly of claim 10, wherein the bumper has an elliptical horizontal cross-section with a major axis of the ellipse in the fore-aft direction and a minor axis of the ellipse in the left-right direction.

14. The truck assembly of claim 10 wherein the bumper has a gap therein, the gap being located to the left or right of the pin.

15. The truck assembly of claim 14 wherein there are two of the slots, one on each of the left and right sides of the pin.

16. The bogie assembly of claim 14 wherein the gap has an arcuate horizontal cross-section comprising a first section, a second section and a third section sequentially connected in a fore-and-aft direction, the second section being a rectangle with a long side facing the pin sleeve, the first section being an arcuate section extending from a short side of the second section to an edge of the buffer, and the first section and the third section being symmetrically disposed.

17. The truck assembly of claim 10 wherein the bumper comprises a plurality of sub-bumpers.

18. The bogie assembly of claim 17 wherein the buffer is divided into four sub-buffers by two mutually parallel dividing surfaces and the pin sleeve, the dividing surfaces having normals in the fore-and-aft direction and intersecting the pin sleeve.

19. The truck assembly of claim 18 wherein the bumper member has a gap therein, the gap dividing the sub-bumper member between the two dividing surfaces into two portions, the portion of the two portions adjacent the pin bushing being fixedly attached to the pin bushing and the portion adjacent the stationary barrel being fixedly attached to the stationary barrel.

20. A straddle-type monorail vehicle provided with a bogie assembly as claimed in any one of claims 1-19.