WO2019109856A1

WO2019109856A1 - Traction structure and straddle-type monorail vehicle

Info

Publication number: WO2019109856A1
Application number: PCT/CN2018/118384
Authority: WO
Inventors: 曹文祥; 张宇; 屈海洋; 周利; 李骏; 王虎高; 李春明; 刘劲
Original assignee: 中车株洲电力机车有限公司
Priority date: 2017-12-08
Filing date: 2018-11-30
Publication date: 2019-06-13
Also published as: CN108082204A; MX2020005855A; CN108082204B

Abstract

A traction structure of a straddle-type monorail vehicle comprises two drawbars (3) respectively disposed on two sides of a bogie (4). One end of the drawbar (3) is connected to a traction seat (1) of a vehicle chassis (2), and the other end of the drawbar (3) is connected to a side portion of the bogie (4). The traction seat (1) comprises a top plate (11) and a connecting plate (12) fixedly disposed on a lower surface of the top plate (11) and a side plate (13). The top plate (11) is provided with a mounting hole (14). The connecting plate (12) is provided with a connecting hole (15). At least two parallel side plates (13) are respectively fixed at two sides of the connecting plate (12). An end portion of the drawbar (3) is connected inside the connecting hole (15). The traction structure is lightweight, thereby reducing overall energy consumption of the vehicle. Maintenance of the vehicle is simple, does not require intense labor, and can be performed from a side portion of the vehicle. The traction seat features traction connection, force transmission, and binding for vehicle transportation, and achieves transmission of a traction force of the straddle-type monorail vehicle having a two-axle bogie.

Description

Traction structure and straddle monorail vehicle

Technical field

The invention relates to the technical field of rail transit, in particular to a traction structure and a straddle monorail vehicle.

Background technique

The straddle monorail vehicle has strong adaptability to terrain and land, less land occupation, good light transmission, wide passengers' vision, low noise in the rubber wheel, low vibration, short construction period and low relative cost. It has become a small and medium-sized city. One of the preferred forms of rail transit for mountainous cities and geologically complex cities. At present, the technology has been widely used in the United States, Japan, Malaysia and other countries, but it is still in the early stage of the country, and only Chongqing has mature operating results.

China's Chongqing straddle monorail vehicle uses the Japanese Hitachi vehicle type, the vehicle uses a two-axle bogie, the bogie structure consists of: 2 pairs of walking wheels, 4 guiding wheels, 2 stable wheels, "day" A frame-type frame, an air spring, a suspension motor drive, etc., and two pairs of walking wheels are mounted on the cantilever axle of the frame. The vehicle body and the bogie are driven by the rubber pile traction device located at the geometric center of the bogie. The traction device has a center pin. The center pin and the attachment have a weight of about 200kg. The weight is large, the structure is complicated, the process is difficult to realize, and the cost is relatively high. In addition, the center traction is located in the center of the bogie. It must be operated after the vehicle is routinely maintained, and the maintenance and repair is inconvenient and the maintenance workload is large.

Summary of the invention

In order to solve the technical problems existing in the prior art, the present invention provides a traction structure for a straddle type monorail vehicle, and the specific technical solution is as follows.

A traction structure for a straddle monorail vehicle includes two drawbars respectively disposed on two sides of the bogie, one end of the drawbar is coupled to a traction seat of the chassis of the vehicle body, and the other of the drawbars One end is attached to the side of the bogie.

Further, the traction seat comprises a top plate and a connecting plate and a side plate fixedly disposed on the lower surface of the top plate, the top plate is provided with a mounting hole, and the angle between the connecting plate and the top plate is 80 The connecting plate is provided with a connecting hole, and two sides of the connecting plate are respectively fixedly disposed with at least two side plates parallel to each other, and a clip between the side plate and the connecting plate The angle is 80°-90°, the side plate is perpendicular to the top plate, and the top plate is fixedly mounted on the vehicle body chassis by fasteners, and the end of the draw bar is connected in the connecting hole.

Further, elastic members are disposed on the traction rods on both sides of the connecting plate. The elastic member acts as a cushioning force to provide a flexible connection for the drawbar and the traction seat.

Further, a reinforcing plate is fixedly disposed between the side plate and the side plate, and the reinforcing plate is also fixedly connected to the top plate. The arrangement of the reinforcing plates can strengthen the connection strength between the side plates and between the side plates and the top plate, which is beneficial to improve the rigidity and stability of the traction seat.

Further, the height of the side panels gradually decreases in a direction away from the connecting plate. The top plate of this arrangement is advantageous in reducing the weight of the traction seat and at the same time avoiding interference (interference) with the side plates when the drawbar swings in a small range.

Further, the vehicle body chassis is provided with four of the traction seats, the four traction seats being symmetrical about a longitudinal center line of the vehicle body and symmetrical about a lateral center line of the vehicle body. When the vehicle needs to be hoisted and transported, the two ropes are respectively positioned at the inclined sides of the two traction seats, thereby achieving the lifting positioning of the vehicle. When the vehicle is in operation, the hitch is connected to the drawbar for transmitting the power of the bogie to the hitch. By adopting the hoisting positioning device of the invention, it is not necessary to separately provide an independent hoisting positioning mechanism, which saves cost and reduces vehicle weight.

Further, the top plate, the side plate connecting plate and the reinforcing plate are both made of steel plates.

Further, the top plate, the side plates, the connecting plates and the reinforcing plates are fixed to each other by welding.

Further, the traction structure includes a pair of triangular plates disposed on both sides of the bogie, the drawbar is connected to the bogie through a triangular plate, and the end of the drawbar is connected to the first corner of the triangular plate by a ball bearing, A second corner of the set of triangles is hinged to the bogie, and a third corner of the pair of triangular plates is hinged to the link. The traction structure of the invention can distribute the traction force of the bogie in two directions on both sides of the bogie, which is beneficial to improving the stability of the vehicle body on the bogie.

Further, the present invention relates to a straddle monorail vehicle including the above-described traction structure.

The beneficial effects of the present invention over the prior art are:

1) Light weight. The center traction device has a center pin, and the center pin and the attachment weight are about 200 kg; the two sides of the traction rod and the accessory (the traction seat) of the invention have a total weight of 120 kg, and the weight is lighter, which reduces the energy consumption of the whole vehicle.

2) Maintenance is simple. The center traction is located in the center of the bogie. It must be driven after routine maintenance. The traction on both sides can be carried out without maintenance. The maintenance is simple on the side of the vehicle and the workload is small.

3) The traction seat can ensure the reliability of the traction transmission. At the same time, the traction seat has the multiple advantages of traction connection, force transmission and fixed binding of the vehicle transportation. It can well realize the transmission of the traction force of the two-axle bogie straddle monorail vehicle.

DRAWINGS

Figure 1 is a perspective view of the traction structure of the present invention;

Figure 2 is a bottom plan view of the traction structure of Figure 1;

Figure 3 is a schematic view showing the connection of the drawbar and the bogie;

Figure 4 is a schematic view of the traction seat of the present invention mounted on a vehicle underframe;

Figure 5 is a perspective view of the traction seat;

Figure 6 is a bottom view of the traction seat;

Figure 7 is a side view of the traction seat;

Figure 8 is a schematic view of the vehicle body underframe and the bogie when the vehicle is viewed from above;

Fig. 9 is a schematic view showing a lifting point of the vehicle when the vehicle is viewed from the side.

In the figure: traction seat 1, top plate 11, connecting plate 12, side plate 13, inclined side 131, mounting hole 14, connecting hole 15, reinforcing plate 16, C-shaped groove 17, vehicle body frame 2, drawbar 3, steering The frame 4, the elastic member 5, the double nut 6, the triangular plate 7, the first corner 71, the second corner 72, the third corner 73, the ball bearing 8, and the connecting rod 9.

Detailed ways

The invention is further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1-2, a traction structure of a straddle monorail vehicle includes two drawbars 3 respectively disposed on two sides of the bogie 4. One end of the drawbar 3 is coupled to the chassis 2 of the vehicle body. On the traction stand 1, the other end of the drawbar 3 is connected to the side of the frame of the bogie 4.

Further, referring to FIGS. 4-7, the traction stand 1 includes a top plate 11 and a connecting plate 12 and a side plate 13 fixedly disposed on a lower surface of the top plate 11, and the top plate 11 is provided with a mounting hole 14, An angle between the connecting plate 12 and the top plate 11 is 80°-90°, and the connecting plate 12 is provided with a connecting hole 15 , and two sides of the connecting plate 12 are respectively fixedly disposed with at least two parallel to each other. The side plate 13, the angle between the side plate 13 and the connecting plate 12 is 80°-90°, the side plate 13 is perpendicular to the top plate 11, and the top plate 11 is fastened by fasteners. The C-shaped groove 17 on the chassis of the vehicle body is fixed, and the end of the drawbar 3 is connected in the connecting hole 15.

Further, referring to FIGS. 1-2 and 4, the drawbar 3 is provided with elastic members 5 on both sides of the connecting plate 12. The elastic member is fixed to the drawbar 3 by a fastener (nut or the like), and the double nut 6 is preferably used to fix the elastic member, and the elastic member serves as a cushioning function to provide a flexible connection between the drawbar and the traction seat.

Further, referring to FIG. 5-6, a reinforcing plate 16 is fixedly disposed between the side plate 13 and the side plate 13, and the reinforcing plate 16 is also fixedly connected to the top plate 11. The arrangement of the reinforcing plates 16 can strengthen the joint strength between the side plates 13 and between the side plates 13 and the top plate 11, which is advantageous for improving the rigidity and stability of the traction stand 1.

Further, referring to FIGS. 4-5, the side panel 13 has a slanted edge 131, and the height of the side panel 13 gradually decreases in a direction away from the connecting panel 12. The top plate 11 adopting such an arrangement is advantageous in reducing the weight of the traction seat and at the same time avoiding interference (interference) with the side plates when the drawbar swings in a small range. The traction seat of the invention has the advantages of simple structure, reliable connection and convenient installation, and can well realize the connection between the drawbar of the bogie and the vehicle body.

Further, referring to Figures 8-9, the vehicle body chassis 2 is provided with four of the traction seats 1 which are symmetrical about the longitudinal centerline of the vehicle body and are symmetrical about the transverse centerline of the vehicle body. When the vehicle needs to be hoisted and transported, the two ropes are respectively positioned at the inclined sides 131 of the two traction seats, thereby achieving the lifting positioning of the vehicle. When the vehicle is in operation, the hitch is connected to the drawbar for transmitting the power of the bogie to the hitch. By adopting the hoisting positioning device of the invention, it is not necessary to separately provide an independent hoisting positioning mechanism, which saves cost and reduces vehicle weight.

Further, the top plate 11, the side plate 13, the connecting plate 12 and the reinforcing plate 16 are each made of a steel plate.

Further, the top plate 11, the side plates 13, the connecting plate 12, and the reinforcing plate 16 are fixed to each other by welding.

Further, referring to Figures 1-3, the traction structure further includes a pair of triangular plates 7 disposed on both sides of the bogie, the drawbars 3 being connected to the bogie 4 through the triangular plates 7, the ends of the drawbars 1 Connected to the first corner 71 of the set square 7 by a ball bearing 8, the second corner 72 of the set square 7 is hinged to the bogie 4, and the third corner 73 of the pair of triangular plates 7 are hinged to the connecting rod 9 . The traction structure of the invention can distribute the traction force of the bogie in two directions on both sides of the bogie, which is beneficial to improving the stability of the vehicle body on the bogie.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A traction structure for a straddle monorail vehicle, comprising: two traction rods respectively disposed on two sides of the bogie, one end of the traction rod is connected to the traction seat of the vehicle body chassis, the traction The other end of the rod is connected to a side portion of the bogie; the traction seat includes a top plate and a connecting plate and a side plate fixedly disposed on a lower surface of the top plate, and the top plate is provided with a mounting hole, the connecting plate The angle between the top plate and the top plate is 80°-90°, and the connecting plate is provided with a connecting hole, and the two sides of the connecting plate are respectively fixedly disposed with at least two side plates parallel to each other, An angle between the side plate and the connecting plate is 80°-90°, the side plate is perpendicular to the top plate, and the top plate is fixedly mounted on the vehicle body chassis by a fastener, the drawing rod The end is connected within the connecting hole.
The traction structure of a straddle monorail vehicle according to claim 1, wherein a reinforcing plate is fixedly disposed between the side plate and the side plate, and the reinforcing plate is also fixedly connected to the top plate.
The traction structure of a straddle monorail vehicle according to claim 1, wherein the traction rods are provided with elastic members on both sides of the connecting plate.
A traction structure for a straddle monorail vehicle according to claim 1, wherein the height of the side panels is gradually reduced in a direction away from the connecting plate.
The traction structure of a straddle monorail vehicle according to claim 4, wherein the vehicle body chassis is provided with four said traction seats, and the four traction seats are symmetric about a longitudinal center line of the vehicle body. And about the transverse centerline of the car body is symmetrical.
The traction structure of a straddle monorail vehicle according to claim 2, wherein the top plate, the side plate connecting plate and the reinforcing plate are both made of steel plates.
The traction structure of a straddle monorail vehicle according to claim 2, wherein the top plate, the side plates, the connecting plates and the reinforcing plates are fixed to each other by welding.
The traction structure of a straddle monorail vehicle according to claim 1, wherein the traction structure further comprises a pair of triangular plates disposed on both sides of the bogie, the drawbar being connected to the bogie through a triangular plate. An end of the drawbar is coupled to a first corner of the set by a ball bearing, a second corner of the set is hinged to the bogie, and a third corner of the pair of squares is hinged to the link.
A straddle monorail vehicle comprising the traction structure of any of claims 1-8.