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 assemblies and straddle monorail vehicles

technical field

The utility model belongs to the technical field of vehicle manufacturing, in particular to a bogie assembly and a straddle monorail vehicle with the bogie assembly.

Background technique

The laying cost of the straddle-type monorail transportation system is much lower than that of the subway transportation system, and its application range is wider. Among them, the suspension system is an important transmission part of the straddle monorail vehicle, and its performance directly affects the safety and riding comfort of the straddle monorail vehicle. In the related art, the height of the suspension system cannot be adjusted, and the applied vehicle model is relatively narrow, so there is room for improvement.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present utility model is to provide a bogie assembly with stable operation.

Another object of the present utility model is to provide a straddle-type monorail vehicle with the above-mentioned bogie assembly.

The bogie assembly according to the embodiment of the first aspect of the present utility model includes: a bogie frame; a traction mechanism, the traction mechanism includes a traction frame, the traction frame is arched, and the traction frame straddles the position along the front-rear direction The bogie frame is adapted to be connected with the car body; the elastic member is installed on the bogie frame to support the car body.

The scope of application of the bogie assembly according to the embodiment of the first aspect of the utility model is wider, and the suspension system of the elastic member is matched with the traction mechanism of the above structure, so that the work of the bogie assembly is more stable and reliable.

In addition, the bogie assembly according to the above-mentioned embodiments of the utility model may also have the following additional technical features:

In some preferred embodiments of the present invention, the elastic member is connected to the suspension support seat of the bogie frame.

Preferably, the bogie assembly further includes: a support plate, the support plate is mounted on the suspension support seat, and the elastic member is mounted on the support plate.

Specifically, the supporting boards extend along the front and rear directions, and two elastic pieces are installed on each of the supporting boards.

Specifically, the bogie frame has two suspension support seats spaced apart along the left and right directions, and each of the suspension support seats is connected with a support plate.

In some preferred embodiments of the present invention, the traction mechanism further includes a traction pin assembly, the traction frame is connected to the vehicle body through the traction pin assembly, and the traction pin assembly is arranged to The rigidity in the upper direction is greater than that in the left and right directions, and includes: a pin shaft, which is fixedly connected to the top wall of the traction frame; a pin sleeve mounting seat, which is suitable for connecting with the vehicle body connection; a pin sleeve, the pin sleeve is connected with the pin sleeve installation seat, and is sleeved outside the pin shaft.

Preferably, the mounting seat of the pin sleeve includes: a fixing cylinder, the fixing cylinder is set outside the pin sleeve, and a buffer is filled between the fixing cylinder and the pin sleeve; a mounting plate, the mounting plate A plate is connected to the fixed cylinder and is adapted to be connected to the vehicle body.

Specifically, the mounting plate surrounds the fixing cylinder along the peripheral wall of the fixing cylinder.

Specifically, the fixing cylinder has an elliptical horizontal section, and the major axis of the ellipse is along the front-back direction, and the short axis of the ellipse is along the left-right direction.

Specifically, the buffer member has an elliptical horizontal section, and the major axis of the ellipse is along the front-rear direction, and the short axis of the ellipse is along the left-right direction.

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

Specifically, there are two slots, and the two slots are respectively located on the left side and the right side of the pin shaft.

Specifically, the horizontal section of the gap is arched, including a first section, a second section, and a third section connected in sequence along the front and rear directions, and the second section is a rectangle whose long side is facing the pin sleeve, so The first section is an arc section extending from the short side of the second section to the edge of the buffer, and the first section and the third section are arranged symmetrically.

Preferably, the bumper includes a plurality of sub-bumpers.

Specifically, the buffer member is divided into four sub-buffer members by two mutually parallel dividing planes and the pin sleeve, the normal line of the dividing plane is along the front-rear direction, and the dividing plane intersects the pin sleeve.

Specifically, there is a slit inside the cushioning member, and the slit separates the sub-buffering member between the two dividing surfaces into two parts, and the part of the two parts close to the pin sleeve is separated from the pin sleeve. Fixedly connected, the part close to the fixed cylinder is fixedly connected with the fixed cylinder.

The straddle monorail vehicle according to the embodiment of the second aspect of the utility model 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 above-mentioned bogie assembly over the prior art are the same, and will not be repeated here.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

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

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

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

Fig. 4 is a top view of the traction pin assembly according to an embodiment of the present invention;

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

Fig. 6 is a sectional view of a traction pin assembly according to another embodiment of the present invention;

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

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

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

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

Fig. 11 is a structural schematic diagram of a bogie assembly according to another embodiment of the present invention;

Fig. 12 is a structural schematic diagram of a bogie assembly according to another embodiment of the present invention.

Reference signs:

bogie assembly 1000,

Bogie frame 100, frame body 110, motor mounting bracket 111, suspension support seat 120,

traction mechanism 200,

Tow frame 210, top wall 211, side wall 212, reinforcing rib 212a, first fixing base 213, first connecting arm 213a, first mounting plate 213b, second fixing base 214, second connecting arm 214a, second mounting plate 214b, lightening hole 215,

Traction pin assembly 220, pin shaft 221, flange 221a, threaded section 221b, pin bushing 222, fixed cylinder 223, mounting plate 224, buffer piece 225, sub-buffer pieces 225a, 225b, 225c, 225d, split surface 225e, gap 226 , the first section 226a, the second section 226b, the third section 226c, the bushing 227, the upper damping pad 228a, the lower damping pad 228b, the nut 229a, the washer 229b,

Walking wheel 300, guide wheel 400, stable wheel 500,

Electric assembly 600, traction motor 610, gear reducer 620, planetary wheel side reducer 630, brake 640, brake disc 641, brake caliper 642, brake drive unit 643,

Suspension system 700, suspension mount 710, lateral shock absorber 720, vertical shock absorber 730, elastic member 740, air spring 761, support plate 762,

Track beam 2000, conductor rail 2001.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

In the description of the present utility model, it should be understood that "front and rear direction" and "longitudinal direction" refer to the traveling direction of the straddle-type monorail vehicle, that is, the extending direction of the track beam 2000, and "left-right direction" is the same as that of the straddle-type monorail vehicle. The driving direction is vertical, the "left and right direction" refers to the "horizontal direction" of the straddle-type monorail vehicle, the "up and down direction" refers to the up and down in the conventional concept, "inside" refers to the direction close to the track beam 2000, and "outside" refers to the direction away from the track beam 2000 direction.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The bogie assembly 1000 according to the embodiment of the present utility model will be described in detail with reference to the accompanying drawings. As shown in FIGS. 1-12 , the bogie assembly 1000 includes a bogie frame 100 , a traction mechanism 200 , a running wheel 300 , a guide wheel 400 , a stabilizing wheel 500 , an electric assembly 600 and a suspension system 700 .

The bogie frame 100 has a track recess for straddling the track beam 2000, and the traction mechanism 200, running wheels 300, guide wheels 400, stabilizing wheels 500, electric assembly 600 and suspension system 700 are all installed 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 to drive the running wheels 300 to move along the running surface of the track beam 2000, and the traction mechanism 200 is connected to the bogie frame 100 Between the straddle-type monorail vehicle body, the traction mechanism 200 is used to transmit the power of the running wheel 300 to the vehicle body, and the guide wheel 400 and the stabilizing wheel 500 both clamp the side wall of the track beam 2000 .

The following describes the traveling wheel 300, the guide wheel 400 and the stabilizing wheel 500 according to the embodiment of the present utility model with reference to the accompanying drawings.

As shown in Fig. 1 and Fig. 12, the running wheel 300 runs along the running surface (upper surface) of the track beam 2000, there is at least one running wheel 300, and the rotation axis of the running wheel 300 is parallel to the running surface of the track beam 2000, preferably, the running wheel The 300 may include rubber tires, so that the straddle-type monorail vehicle has better vibration resistance, and of course, the running wheels 300 may also be steel wheels.

As shown in Fig. 1, Fig. 11 and Fig. 12, the bogie assembly 1000 can have two pairs of guide wheels 400, the two pairs of guide wheels 400 are spaced apart along the front-rear direction, each pair of guide wheels 400 includes two guide wheels 400, and the two pairs of guide wheels 400 Two guide wheels 400 are arranged symmetrically with respect to track beam 2000, and these two guide wheels 400 are in contact with a side wall of track beam 2000 respectively, and the rotation axis of two guide wheels 400 in the same pair of guide wheels 400 is to the rotation axis of running wheel 300 distances are equal.

There are at least two stabilizing wheels 500, and the two stabilizing wheels 500 are arranged symmetrically with respect to the track beam 2000, and these two stabilizing wheels 500 are respectively in contact with a side wall of the track beam 2000, and the rotation axis of each stabilizing wheel 500 is in contact with the running wheel The axis of rotation of 300 is vertical.

The traction mechanism 200 according to the embodiment of the present utility model is described below with reference to FIGS. 2-6 . As shown in Figures 2-6, the traction mechanism 200 includes a traction frame 210 and a traction pin assembly 220, the traction frame 210 is connected with the bogie frame 100, the traction pin assembly 220 is connected with the traction frame 210, and the traction pin assembly 220 is suitable for The car bodies are connected, and the tractive force is sequentially transmitted through the bogie frame 100, the traction frame 210, the traction pin assembly 220 and the car body.

Firstly, referring to FIG. 2 , the tow frame 210 according to the embodiment of the present invention will be described. As shown in FIG. 2 , the traction frame 210 includes a top wall 211 , a side wall 212 and a fixing seat.

Wherein, the upper ends of the two side walls 212 are respectively connected with the front end of the top wall 211 and the rear end of the top wall 211, and the lower end of each side wall 212 is provided with a plurality of fixing seats, and the fixing seats are used for connecting with the bogie frame 100 , the fixing seats connected below the two side walls 212 are respectively connected with the forearm and the rear arm of the bogie frame 100, so that the traction frame 210 is suitable for straddling the bogie frame 100 along the front-to-back direction, so that the traction frame 210 is in front and rear The stiffness in the direction is greater than that of the traction frame 210 in the left-right direction, which helps the traction frame 210 to transmit the traction force in the front-rear direction.

Referring to Fig. 2, a plurality of fixing seats located at the lower end of the same side wall 212 include a first fixing seat 213 and a second fixing seat 214, and the first fixing seat 213 and the second fixing seat 214 are arranged along the left-right direction, and the bogie frame 100 The heights of the left half section and the right half section of the frame body 110 are inconsistent, and the left half section and the right half section are connected by an arc section, so that the strength of the bogie frame 100 is higher, and the bottom surface of the first fixed seat 213 and the second fixed seat The bottom surface of 214 is not at the same level to cooperate with the frame body 110 of the truck frame 100 . Therefore, the installation strength of the traction frame 210 is high, and it cooperates better with the bogie frame 100, which helps to transmit the traction force better.

According to the traction frame 210 of the embodiment of the present invention, by arranging a plurality of fixed seats at staggered heights, it is helpful for the cooperation between the traction frame 210 and the bogie frame 100. The process is stable and reliable.

The side wall 212 and the top wall 211 of the traction frame 210 can be formed into an arch, and the traction frame 210 is suitable for being arranged on the top of the running wheel 300. The top wall 211 can be flat, and the top wall 211 is suitable for being connected with the vehicle body. The wall 212 can be arc-shaped. Specifically, referring to FIG. 2 , the side wall 212 includes a plurality of arc-shaped segments connected in succession, and the width of the side wall 212 gradually increases from top to bottom, so that the strength of the traction frame 210 is greater and the traction is stable. Sex is higher.

Ribs 212a may be provided on the left and right edges of the side wall 212 to enhance the strength of the side wall 212 . Taking the left side of the side wall 212 as an example, the upper edge and the lower edge of the left side of the side wall 212 respectively extend laterally and leftward to form a reinforcing rib 212a, and the forming method of the reinforcing rib 212a on the right side of the side wall 212 is the same as that of the left side .

With reference to Fig. 2, the weight reduction hole 215 can be formed between the first fixed seat 213 and the corresponding second fixed seat 214, thus, on the basis of not affecting the traction force transmission, the weight of the traction frame 210 can be reduced, which is helpful In order to improve the lightweight level of the traction frame 210, an arc-shaped transition angle can be provided between the side wall of the weight reduction hole 215 and the top wall of the weight reduction hole 215, so as to prevent the side wall of the weight reduction hole 215 and the weight reduction hole 215 Stress concentration occurs at the joint of the top wall, and the durability of the traction frame 210 is higher.

The first fixing seat 213 may include a first connecting arm 213a and a first mounting plate 213b, the first connecting arm 213a is connected to the corresponding side wall 212, and the first mounting plate 213b is connected to the first connecting arm 213a, referring to FIG. 2 , the first The upper end of a connecting arm 213a is connected to the corresponding side wall 212, the lower end of the first connecting arm 213a is connected to the corresponding first mounting plate 213b, and the first connecting arm 213a and the first mounting plate 213b can be connected by welding, and the first mounting plate 213b is adapted to be connected with the bogie frame 100 , a plurality of mounting holes may be provided on the first mounting plate 213b , and threaded fasteners pass through the mounting holes to be connected with the frame body 110 of the bogie frame 100 .

The second fixing seat 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, and the second mounting plate 214b is connected to the second connecting arm 214a, referring to FIG. The upper ends of the two connecting arms 214a are connected to the corresponding side walls 212, the lower ends of the second connecting arms 214a are connected to the corresponding second mounting plate 214b, and the second connecting arms 214a and the second mounting plate 214b can be connected by welding, and the second mounting plate The second mounting plate 214b is adapted to be connected to the bogie frame 100 , and a plurality of mounting holes may be provided on the second mounting plate 214b , 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, and the second connecting arm 214a is integrally formed with the corresponding side wall 212 The reinforcing rib 212a may extend from the edge of the side wall 212 to the outer edge of the first connecting arm 213a, the outer edge of the second connecting arm 214a and the lower edge of the top wall 211.

The utility model also discloses a bogie assembly 1000. The bogie assembly 1000 in the embodiment of the utility model is provided with the traction frame 210 described in any one of the above-mentioned embodiments, and the steering frame 210 and the bogie assembly 1000 The frame frames 100 are connected. According to the bogie assembly 1000 of the embodiment of the present invention, the transmission of the traction force of the bogie assembly 1000 is stable, and it can carry a relatively large driving force.

The utility model also discloses a straddle-type monorail vehicle. The straddle-type monorail vehicle in the embodiment of the utility model is provided with the bogie assembly 1000 described in any one of the above-mentioned embodiments, and the traction frame 210 of the bogie assembly 1000 Connected to the body of a straddle monorail vehicle. According to the straddle type monorail vehicle of the embodiment of the utility model, the transmission of the traction force is stable.

The following describes the pulling pin assembly 220 according to the embodiment of the present invention with reference to FIGS. 2-6 .

As shown in FIGS. 2-4 , in some optional embodiments of the present utility model, the traction pin assembly 220 includes a pin shaft 221 and a vehicle body connector, and the pin shaft 221 is connected with the traction frame 210 and the vehicle body connector, The vehicle body connecting piece is adapted to be connected with the vehicle body, and the vehicle body connecting piece is configured to have greater rigidity in the front-rear direction than in the left-right direction.

It can be understood that, during the working process of the traction mechanism 200, the traction force is mainly along the front-to-rear direction, and the traction force is transmitted from the traction frame 210 to the vehicle body through the pin shaft 221 and the vehicle body connector. The stiffness in the front-rear direction is greater than that in the left-right direction, which can prevent damage to the car body connectors, make the traction more stable, and avoid stress concentration when turning.

Referring to FIGS. 3 and 4 , the vehicle body connector may include a pin socket mount and a pin socket 222 . The pin sleeve 222 links to each other with the pin sleeve installation seat, and the pin sleeve installation seat is suitable for being connected with the vehicle body, and the pin sleeve installation seat can include a fixing cylinder 223 and a mounting plate 224, and the mounting plate 224 is connected with the fixing cylinder 223, and the fixing cylinder 223 can be sleeved Outside the pin sleeve 222, and between the fixed cylinder 223 and the pin sleeve 222, a buffer member 225 is filled. 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 to the top wall of the traction frame 210. The wall 211 is connected by welding, and the pin sleeve 222 is sleeved outside the pin shaft 221, and the pin sleeve 222 can interfere with the pin shaft 221, so that the pin sleeve 222 and the pin shaft 221 are not easy to wear and have no abnormal noise.

The mounting plate 224 is suitable for being connected with the vehicle body. For example, the mounting plate 224 can be connected with the vehicle body through a threaded fastener. The mounting plate 224 can surround the fixing cylinder 223 along the peripheral wall of the fixing cylinder 223. The fixing cylinder 223 can pass through the mounting plate 224, and The height of the part above the mounting plate 224 of the fixing cylinder 223 is less than the height of the part below the mounting plate 224. When the car body connector is connected with the vehicle body, the part of the fixing cylinder 223 above the mounting plate 224 can be connected to the vehicle body. Cooperate with the recessed part on the body to achieve positioning.

When the traction mechanism 200 is working, the traction force is sequentially transmitted between the traction frame 210, the pin shaft 221, the pin sleeve 222, the buffer member 225, the fixing cylinder 223 and the mounting plate 224, and then transmitted to the vehicle body to realize traction. The noise is low, the traction is stable, and it can carry a large traction force.

Preferably, referring to FIG. 4 , the fixing cylinder 223 may have an elliptical horizontal section, and the long axis of the ellipse is along the front-to-back direction, the short axis of the ellipse is along the left-right direction, the buffer member 225 has an elliptical horizontal section, and the long The axis is in the front-back direction, and the minor axis of the ellipse is in the left-right direction. In this way, the stiffness of the vehicle body connector in the front-rear direction can be greater than that in the left-right direction, and the buffer member 225 can absorb more vibrations in the front-rear direction, and the anti-vibration performance of the traction mechanism 200 is better.

Specifically, as shown in FIG. 4 , there may be a slit 226 in the buffer member 225, and the slit 226 may be located on the left or right side of the pin sleeve 222. Preferably, there may be two slits 226, and the two slits 226 may be respectively located on the On the left side and the right side of the sleeve 222, two slits 226 can be arranged symmetrically with respect to a symmetrical plane, the normal line of the symmetrical plane is along the left and right directions, and the central axis of the pin sleeve 222 is in the symmetrical plane.

It can be understood that, during the working process of the traction mechanism 200, the traction force is mainly along the front-to-back direction, and the vibration shock mainly comes from the front-to-back direction. reduce the stiffness of the car body connector in the left and right direction and increase the connection strength of the car body connector in the left and right direction.

Referring to Fig. 4, the horizontal section of the slit 226 can be arched, and the slit 226 includes a first segment 226a, a second segment 226b and a third segment 226c which are successively connected along the front-rear direction, the second segment 226b is rectangular, and the second segment 226b The long side of the long side is facing the pin sleeve 222, the first section 226a is an arc section extending from the short side of the second section 226b to the edge of the buffer member 225, and the first section 226a and the third section 226c are arranged symmetrically.

Buffer 225 can include a plurality of sub-buffers 225, as shown in Figure 4, buffer 225 can be divided into four sub-buffers 225 by two mutually parallel split planes 225e and pin sleeves 222, the normal line of split plane 225e along the front and back direction, and both split planes 225e intersect with the pin sleeve 222 .

For the sake of description, the four sub-buffers are numbered 225a, 225b, 225c, 225d in sequence, the sub-buffer 225a is symmetrically arranged with the sub-buffer 225c, the sub-buffer 225b and the sub-buffer 225d are symmetrically arranged, the sub-buffer 225b and the sub-buffer 225d is located between the two dividing planes 225e.

Each slit 226 separates the sub-bumper 225b and the sub-buffer 225d into two parts, the part of the two parts close to the pin sleeve 222 is fixedly connected with the pin sleeve 222, and the part close to the fixed cylinder 223 is fixedly connected with the fixed cylinder 223, such as buffer The piece 225 can be rubber, the pin sleeve 222 and the fixing cylinder 223 can be metal pieces, and the buffering piece 225 can be connected with the pin sleeve 222 and the fixing cylinder 223 by vulcanization. This can prevent the two parts of the sub-bumper 225b and the sub-buffer 225d separated by the slit 226 from shaking in the left and right directions.

As shown in Figures 5-6, in other optional embodiments of the present utility model, the traction pin assembly 220 may include a pin shaft 221, and the pin shaft 221 is connected with the top wall 211 of the traction frame 210, and the traction frame 210 The top wall 211 can have a mounting hole, the lower end of the pin shaft 221 can have a threaded section 221b, the pin shaft 221 runs through the mounting hole, and the threaded section 221b is fixed by a nut 229a, the nut 229a can be positioned under the top wall 211 of the traction frame 210, and A washer 229b may also be interposed between the nut 229a and the top wall 211 of the traction frame 210, and the upper end of the pin shaft 221 may have a flange 221a, and the flange 221a is suitable for connecting with the vehicle body through a threaded fastener.

Preferably, the traction pin assembly 220 may further include an upper shock absorbing pad 228a and a lower shock absorbing pad 228b, the upper shock absorbing pad 228a may be interposed between the flange 221a and the upper surface of the top wall 211 of the traction frame 210, and the lower shock absorbing pad 228a may The vibration pad 228b can be sandwiched between the nut 229a and the lower surface of the top wall 211, specifically, the lower vibration-damping pad 228b can be sandwiched between the lower surface of the top wall 211 and the washer 229b, and the upper vibration-damping pad 228a and The lower vibration-damping pads 228b can all be rubber parts.

The traction pin assembly 220 can also include a bushing 227, the bushing 227 is sleeved outside the pin shaft 221, the length of the bushing 227 can be the same as the thickness of the top wall 211 of the traction frame 210, the bushing 227 can be multi-layer, the bushing 227 can comprise outer layer steel sleeve, inner layer steel sleeve and buffer sleeve, buffer sleeve is positioned between outer layer steel sleeve and inner layer steel sleeve, buffer sleeve can be rubber parts, outer layer steel sleeve can be connected with the top wall of traction frame 210 The installation hole on 211 is interference fit, and the inner layer steel sleeve is sleeved outside the pin shaft 221, and the inner layer steel sleeve can be interference fit with the pin shaft 221.

The traction mechanism 200 of the embodiment of the utility model has the traction frame 210 of any of the above-mentioned embodiments and the traction pin assembly 220 of any of the embodiments, so that the strength of the traction mechanism 200 is high, and it can carry a large traction force. Stable and reliable, low noise.

The utility model also discloses a bogie assembly 1000. The bogie assembly 1000 in the embodiment of the utility model is provided with the traction mechanism 200 described in any one of the above-mentioned embodiments, and the steering mechanism 200 and the bogie assembly 1000 The frame frames 100 are connected. According to the bogie assembly 1000 of the embodiment of the present invention, the transmission of the traction force of the bogie assembly 1000 is stable, and it can carry a relatively large driving force.

The utility model also discloses a straddle-type monorail vehicle. The straddle-type monorail vehicle in the embodiment of the utility model is provided with the bogie assembly 1000 described in any one of the above-mentioned embodiments, and the traction frame 210 of the bogie assembly 1000 Connected to the body of a straddle monorail vehicle. According to the straddle type monorail vehicle of the embodiment of the utility model, the transmission of the traction force is stable.

The electric assembly 600 according to the embodiment of the present utility model will be described below with reference to FIG. 1 and FIGS. 7-9 .

1 and 7, the electric assembly 600 is installed on the bogie frame 100, and the electric assembly 600 includes a traction motor 610, a gear reducer 620 and a planetary wheel speed reducer 630, the traction motor 610 and the gear reducer 620 The input shaft is connected, the output shaft of the gear reducer 620 is connected with the input end of the planetary wheel side reducer 630, the output end of the planetary wheel side reducer 630 is connected with the wheel hub of the traveling wheel 300, and the electric assembly 600 can be mounted on the track beam 2000 The conductive rail 2001 takes electricity.

That is to say, the electric assembly 600 includes at least two-stage deceleration mechanisms, the transmission ratio of the electric assembly 600 is large, and a high-speed traction motor 610 can be used within a certain range, and the energy utilization rate of the electric assembly 600 is high, which is conducive to energy saving Environmental friendly.

The bogie assembly 1000 of the embodiment of the utility model adopts a driving scheme in which the traction motor 610, the gear reducer 620, the planetary wheel side reducer 630 and the wheel hub are assembled together, the overall structure is simple, the space occupied is small, and a low-floor structure can be realized , light weight, high energy utilization rate, which is conducive to energy saving and environmental protection.

Preferably, the electric assembly 600 can be arranged inside the bogie frame 100, and the traction motor 610 can be placed horizontally, that is, the axis of the motor shaft of the traction motor 610 is along the transverse direction (left-right direction). In this way, the structure of the bogie assembly 1000 is compact, and its lateral and longitudinal dimensions are small. The traction motor 610 can be connected with the casing of the gear reducer 620, and the casing of the gear reducer 620 is connected with the bogie frame 100, and the bogie frame 100 can be provided with a motor mounting bracket 111, and the casing of the gear reducer 620 can pass through Threaded fasteners are connected to the motor mounting bracket 111, and there may be two motor mounting brackets 111, and the two motor mounting brackets 111 are spaced apart along the front and rear directions to clamp the electric assembly 600, and the motor mounting bracket 111 may include a connecting plate and a supporting spoke The connecting plate is screwed to the box body of the gear reducer 620 , the supporting web can be configured as a triangle, and one side of the supporting web is welded to the connecting plate, and the other side is welded to the bogie frame 100 .

Preferably, the electric assembly 600 may further include a brake 640, which may be arranged between the traction motor 610 and the traveling wheel 300, specifically, referring to FIG. between. In this way, there is no need to separately set the installation position of the brake 640 on the bogie frame 100, the weight of the bogie assembly 1000 can be reduced, the space utilization rate can be significantly improved, and space is provided for the arrangement of other components.

Referring to Fig. 9, the brake 640 may include a brake disc 641, a brake caliper 642 and a brake drive unit 643, wherein the brake disc 641 may be connected with the hub of the traveling wheel 300, such as the brake disc 641 may be connected to the wheel through a threaded connection The wheel hub of the traveling wheel 300 is connected, the brake caliper 642 can be connected with the box body of the gear reducer 620, and the brake drive unit 643 is used to drive the brake caliper 642. Preferably, the brake drive unit 643 can be a cylinder. Of course, this practical The brake 640 of the new embodiment can also adopt a hydraulic brake drive unit 643 or a pneumatic hydraulic brake drive unit 643 .

The utility model also discloses a bogie assembly 1000. The bogie assembly 1000 in the embodiment of the utility model includes a bogie frame 100, running wheels 300 and any electric assembly 600 described in the above embodiments. The bogie assembly 1000 according to the embodiment of the utility model has a simple overall structure, takes up less space, is light in weight, and has a high energy utilization rate, which is beneficial to energy saving and environmental protection.

The utility model also discloses a straddle-type monorail vehicle. The straddle-type monorail vehicle in the embodiment of the utility model includes the bogie assembly 1000 described in any one of the above-mentioned embodiments. The straddle-type monorail vehicle according to the embodiment of the utility model has a simple structure, and the straddle-type monorail vehicle is light in weight and high in energy efficiency, which is beneficial to energy saving and environmental protection.

The following describes a suspension system 700 according to an embodiment of the present invention with reference to FIG. 1 and FIGS. 11-12 .

In some preferred embodiments of the present utility model, 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 car body, the shock absorber assembly may include a suspension mount 710, a lateral shock absorber 720, and a vertical shock absorber 730, the suspension mount 710 is adapted to be connected to the car body, and the lateral shock absorber The damper 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. between.

In this way, the elastic member 740, the lateral shock absorber 720 and the vertical shock absorber 730 can jointly ensure the stability of the straddle monorail vehicle in the up and down direction, left and right directions and front and rear directions during driving, and the suspension system 700 can play a role in damping. The vibration buffer effect can reduce the vibration or bumpy feeling of the rail vehicle during running, and can reduce the running noise of the straddle monorail vehicle.

Preferably, the suspension mount 710 is located above the suspension support base 120 , the upper end of the elastic member 740 is connected to the suspension mount 710 , and the lower end of the elastic member 740 is connected to the suspension support base 120 . The horizontal shock absorber 720 is hinged between the suspension mount 710 and the frame body 110 , and the vertical shock absorber 730 is hinged between the suspension mount 710 and the suspension support base 120 .

Wherein, the articulation mode between the transverse shock absorber 720 and the frame body 110, the articulation mode between the transverse shock absorber 720 and the suspension mount 710, the articulation manner between the vertical shock absorber 730 and the suspension mount 710 and The hinges between the vertical shock absorber 730 and the suspension support base 120 are ball joints, which can improve the vibration damping effect of the suspension system 700 and prevent stress concentration, thereby improving the reliability of the suspension system 700 .

Optionally, as shown in FIG. 1 , the two suspension systems 700 can be arranged symmetrically about the center of the bogie frame 100 , so as to prevent the car body from torsion in the horizontal plane, thereby improving the stability of the rail vehicle during running.

Referring to FIG. 10 , in order to make the suspension system 700 reasonably constructed, and in order to make the transverse shock absorber 720 and the vertical shock absorber 730 work better, the transverse shock absorber 720 and the vertical shock absorber 730 can be located at the elastic member 740 respectively. on both sides.

Referring to FIG. 1 , the suspension system 700 may further include an elastic limiting bracket, and the elastic limiting bracket is connected between the suspension installation base 710 and the suspension support base 120 . Wherein, the elastic member limiting bracket is hingedly connected to the suspension mounting base 710 , and the elastic member limiting bracket is fastened to the suspension supporting base 120 through threaded fasteners. By hingedly connecting the upper end of the elastic limiting bracket to the suspension mount 710 , stress concentration can be avoided, thereby avoiding rigid fracture of the elastic limiting bracket and ensuring the structural reliability of the suspension system 700 . The elastic member limiting bracket can effectively protect the elastic member 740 , thereby preventing the elastic member 740 from being deformed too much, thereby prolonging the service life of the elastic member 740 . Optionally, the elastic member 740 may be an air spring.

A vibration-damping pad can be provided at the lower end of the elastic part limit bracket, and the vibration-damping pad is fixed with the suspension support seat 120 . Specifically, the fastener can be fixed to the suspension support base 120 after passing through the damping pad of the elastic limit bracket. Rigid collision and impact between, and can reduce the noise between the suspension support 120 and the elastic member limit bracket, so as to improve the structural reliability of the bogie assembly 1000. Wherein, the vibration-damping pad of the limit bracket of the elastic member may be a rubber pad.

A part of the shock-absorbing pad of the limit bracket of the elastic member protrudes to form a bump, and a groove matching the bump is formed on the suspension support base 120 . The bump can fit in the groove, so that on the one hand, it can facilitate the assembly between the damping pad of the elastic part limiting bracket and the suspension support seat 120, and on the other hand, the vibration damping of the vibration damping pad of the elastic part limiting bracket can be improved. effect, so that the noise at the bogie assembly 1000 can be better reduced.

The elastic member limiting bracket can be generally triangular in shape, the apex of the elastic member limiting bracket is hinged on the suspension mount 710, and the bottom edge of the elastic member limiting bracket is provided with a plurality of mounting holes for fasteners to pass through. In this way, the contact area between the bottom edge of the elastic member limiting bracket and the suspension support seat 120 is relatively large, so that the stress can be uniform everywhere, and the connection reliability between the elastic member limit bracket and the suspension support seat 120 can be improved. Moreover, it is also convenient to arrange more installation holes for fasteners to pass through, thereby better improving the installation reliability between the elastic member limit bracket and the suspension support seat 120, and then improving the structure of the bogie assembly 1000. reliability.

The elastic member limiting bracket can be configured as a plate-like structure, and the elastic member limiting bracket can be provided with fastener avoiding holes. In this way, the fastener can be easily inserted into the corresponding installation hole, and the fastener avoidance hole can also reduce the weight of the elastic member limit bracket at least to a certain extent, so that the rail vehicle can meet the light weight requirement.

The elastic member limit bracket can include: a limiter main body and a limiter bottom plate, the upper end of the limiter main body is hinged on the suspension mount 710, the limiter base plate is connected with the limiter main body, and the limiter base plate is set There are mounting holes. The bottom plate of the limiting member corresponds to the vibration-damping pad, so that the shock-absorbing pad can play a vibration-damping effect between the bottom plate of the limiting member and the suspension support base 120 .

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

Wherein, the elastic member limiting bracket may be disposed away from the frame body 110 . Therefore, the position of the elastic member limiting bracket is arranged reasonably, which can make the overall structure of the suspension system 700 better, and can improve the structural stability of the bogie assembly 1000 .

In some other preferred embodiments of the present invention, as shown in FIG. 11 , the suspension system 700 may include elastic members 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 traction mechanism 200 described in the above-mentioned embodiments, the traction mechanism 200 includes a traction frame 210, the traction frame 210 is arched, and the traction frame 210 straddles the bogie frame 100 along the front and rear direction, and the traction The frame 210 is adapted to be connected to the vehicle body, and the suspension system 700 is mounted on the bogie member, and the suspension system 700 is used to support the vehicle body.

The elastic member 740 can be an air spring, and since the support height of the air spring is adjustable, it is convenient to adjust the relative position between the car body and the bogie frame 100, so that the bogie assembly 1000 of the utility model embodiment has a wider application range, and the air The spring-type suspension system 700 cooperates with the traction mechanism 200 of the above-mentioned structure, so that the work of the bogie assembly 1000 is more stable and reliable.

Preferably, referring to FIG. 12 , the elastic member 740 is connected to the suspension support seat 120 of the bogie frame 100, and the bogie assembly 1000 further includes: a support plate 762 installed on the suspension support seat 120, and the elastic member 740 is installed on On the support plate 762, the elastic member 740 can be connected with the support plate 762 by a threaded fastener, and the support plate 762 can extend along the front and rear direction, and two elastic members 740 are installed on each support plate 762, and the bogie frame 100 has two There are two suspension support bases 120 spaced apart along the left and right directions, and each suspension support base 120 is connected with a support plate 762. That is to say, each bogie frame 100 may include four elastic pieces 740 , and the four elastic pieces 740 are distributed in pairs on both sides of the frame body 110 of the bogie frame 100 .

In still some 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 .

Wherein, the traction mechanism 200 is any traction mechanism 200 described in the above-mentioned embodiments, the traction mechanism 200 includes a traction frame 210, the traction frame 210 is arched, and the traction frame 210 straddles the bogie frame 100 along the front and rear direction, and the traction The frame 210 is suitable for being connected with the car body, and a plurality of air springs 761 are directly installed on the frame body 110 of the bogie member to support the car body. There can be four air springs 761, and the four air springs 761 are evenly distributed on the frame body 110 At the four corners of , the centers of the four air springs 761 constitute the four vertices of the rectangle. Thus, the support distribution of the suspension system 700 to the vehicle body is uniform, and the nodding of the vehicle body can be suppressed.

The utility model also discloses a straddle-type monorail vehicle. The straddle-type monorail vehicle in the embodiment of the utility model includes any suspension system 700 described in the above-mentioned embodiments. The straddle monorail vehicle according to the embodiment of the utility model has good anti-vibration performance.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

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.