CN209938607U - Suspension type monorail vehicle traction suspension device suitable for large ramp - Google Patents
Suspension type monorail vehicle traction suspension device suitable for large ramp Download PDFInfo
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- CN209938607U CN209938607U CN201920199557.0U CN201920199557U CN209938607U CN 209938607 U CN209938607 U CN 209938607U CN 201920199557 U CN201920199557 U CN 201920199557U CN 209938607 U CN209938607 U CN 209938607U
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Abstract
The utility model relates to a can enough solve the effect of automobile body vertical load at the king-pin, it is big to lead to bearing wheel load distribution deviation under the heavy slope, can take place to destroy or when becoming invalid at bogie and car body coupling mechanism again, can ensure a suspension type monorail vehicle traction suspension device suitable for big ramp of vehicle safety, U type roof beam uses the round pin hub connection with bogie frame both sides crossbeam, U type roof beam bottom is provided with the pinhole, the vertical axis is connected U type roof beam and bolster in the middle of the use, bolster bilateral symmetry has two sets of bumper shock absorbers and damping spring, bumper shock absorber lower extreme and bolster installation, upper end and suspension beam installation, damping spring passes through the shock attenuation connecting axle respectively in the bolster, the suspension beam installation, the mounting bracket installation that suspension beam and automobile body correspond.
Description
Technical Field
The utility model relates to a can enough solve the vertical load of automobile body and act on the core pin, lead to bearing wheel load distribution deviation big under the heavy slope, can ensure a suspension type monorail vehicle traction suspension device and method suitable for big ramp that vehicle safety again when bogie and body coupling mechanism take place to destroy or become invalid, belong to the monorail vehicle traction suspension field of making.
Background
The traction suspension device of the suspension type monorail vehicle is an important mechanism for connecting a bogie and a vehicle body, has the functions of transmitting traction force, braking force, bearing the weight of the vehicle body, buffering vibration and shock absorption during the running of the vehicle and the like, and can improve the riding comfort of the vehicle. Whether the design of the traction suspension device is reasonably and directly related to the transmission of vertical force and longitudinal force or not, and the design of the traction suspension device must meet the requirements of kinematics, dynamics, safety and the like.
When a vehicle runs on a large slope, a vehicle body hung below a bogie has a large slope component, the distance generated by the slope component can change the axle load of a front axle and a rear axle of the bogie, and when the axle load is zero, one axle can calculate the axle load, and the existing similar suspension technology is mostly designed based on a slope below 60 per mill. The traction force and the braking force are transmitted through the center pin, the center pin base and the traction rubber pile, the vertical load of the vehicle body of the structure acts on the center pin, and the problem of large axle load distribution deviation under a large gradient cannot be solved.
Disclosure of Invention
The design purpose is as follows: the suspension type monorail vehicle traction suspension device has the advantages that the defects in the background technology are avoided, the problem that load distribution deviation of a bearing wheel under a large slope is large due to the fact that vertical load of a vehicle body acts on a center pin can be solved, and the safety of a vehicle can be ensured when a connecting mechanism of a bogie and the vehicle body is damaged or loses efficacy is solved.
The design scheme is as follows: in order to achieve the above design objectives. The utility model discloses a solve under the heavy grade bogie bearing wheel load distribution deviation great, will pull and move to wheel rail contact surface height on the articulated tie point of suspension device and bogie. A gear and rack driven speed reducer is arranged in the middle of the bogie, and the traction suspension device is connected with cross beams on two sides of the bogie frame through a U-shaped beam, so that the problem of center pin installation is solved. In structural design, a traction suspension device of a suspension type monorail vehicle consists of a safety rope, a U-shaped beam, a shock absorber, a suspension beam, a swing bolster, a middle vertical shaft, a shock absorption spring, a shock absorption connecting shaft, a traction rod and a traction rod support, and a bogie frame and a vehicle body are connected with the traction suspension device.
The technical scheme is as follows: the utility model provides a suspension type monorail vehicle pulls suspension device suitable for big ramp, U type roof beam uses the round pin hub connection with bogie frame both sides crossbeam, U type roof beam bottom is provided with the pinhole, use middle vertical axis to be connected U type roof beam and swing bolster, swing bolster bilateral symmetry arranges two sets of bumper shock absorbers and damping spring, the bumper shock absorber lower extreme is installed with the swing bolster, the bumper shock absorber upper end is installed with the suspension beam, damping spring passes through the shock attenuation connecting axle respectively in the swing bolster, the suspension beam installation, the mounting seat installation that suspension beam and automobile body correspond.
Compared with the background art, the utility model, firstly compact structure is simple: the traction suspension device is simple in structure and reasonable in design, meets the requirements of a structure for connecting a bogie and a vehicle body and load transmission, and reduces the size of the connecting height between the bogie and the vehicle body on the premise of meeting the requirement of shock absorption; the U-shaped beam is connected with the cross beams on the two sides of the bogie frame by using the pin shafts, so that the articulated connection point of the traction suspension device and the bogie is moved upwards, the U-shaped beam can rotate around the pin shafts forwards and backwards, and the load distribution of bearing wheels of the bogie is improved; and thirdly, four safety ropes are connected between the bogie frame and the suspension beam, and when the bogie and the vehicle body connecting mechanism is damaged or fails, the safety ropes can be connected with the bogie and the vehicle body, so that the safety of the vehicle is ensured.
Drawings
Fig. 1 is a schematic front view of a suspension.
Fig. 2 is a schematic side view of the suspension.
Fig. 3 is an axle side schematic view of the suspension coupled to the vehicle body.
Detailed Description
Example 1: reference is made to figures 1-3 of the drawings. The utility model provides a suspension type monorail vehicle pulls suspension device suitable for big ramp which characterized by: u type roof beam 3 uses round pin axle 11 to be connected with 1 both sides crossbeam of bogie framework, 3 bottoms of U type roof beam are provided with the pinhole, use middle vertical axis 8 to be connected U type roof beam 3 and swing bolster 7, swing bolster 7 both sides symmetrical arrangement has two sets of bumper shock absorbers 4 and damping spring 9, bumper shock absorber 4 lower extreme and swing bolster 7 installation, bumper shock absorber 4 upper end and suspension beam 5 installation, damping spring 9 passes through damping connecting axle 10 respectively in swing bolster 7, suspension beam 5 installation, suspension beam 5 and the mount pad installation that corresponds with automobile body 6. The swing bolster 7 is provided with a traction rod mounting seat, the traction rods 12 are arranged in a herringbone mode, one ends of the traction rods 12 are connected with the swing bolster 7, the other ends of the traction rods 12 are connected with traction rod supports 13, and the traction rod supports are welded and fixed on a vehicle body framework. Four safety ropes 2 are connected between the bogie frame 1 and the suspension beam 5.
Namely: the traction suspension device of the suspension type monorail vehicle consists of a safety rope 2, a U-shaped beam 3, a shock absorber 4, a suspension beam 5, a swing bolster 7, a middle vertical shaft 8, a shock absorption spring 9, a shock absorption connecting shaft 10, a traction rod 12[ A2], a pin shaft 11 and a traction rod support 13.
The U-shaped beam 3 is connected with cross beams on two sides of the bogie frame 1 through a pin shaft 11, and the bogie frame 1 only bears vertical load and left and right bending moments. The load distribution of the bearing wheels of the bogie is improved, and the degree of freedom of the bogie passing through a vertical curve is released.
The swing bolster 7 is connected with the U-shaped beam 3 through the middle vertical shaft 8, the middle vertical shaft 8 is in clearance fit with the connecting holes of the swing bolster 7 and the U-shaped beam 3, and the lower end of the middle vertical shaft 8 is fixed through a locking nut. Thus, the swing bolster 7 and the U-shaped beam 3 can rotate around the middle vertical shaft 8, the degree of freedom of the bogie when passing through a transverse curve is released, and the middle vertical shaft 8 transmits axial load, left and right bending moments and front and back bending moments.
The shock absorber 4, the shock absorption spring 9 and the shock absorption connecting shaft 10 are respectively arranged on the swing bolster 7 and the suspension beam 5, and the suspension beam 5 and the truck body 6 are arranged to form a vertical shock absorption suspension frame, so that the shock and the impact transmitted to the truck body by the bogie are reduced. The damping connecting shaft 10 is used for assembling and prepressing the damping spring 9, so that the connection between the swing bolster 7 and the suspension beam 5 is ensured, and meanwhile, the spring is limited in the height direction.
The traction rods are arranged in a herringbone mode and are used for transmitting longitudinal force and transverse force between the vehicle body and the bogie. The shock absorbers 4 and the shock springs 9 bear the vertical load between the vehicle body and the bogie.
Four safety ropes 2 are connected between the bogie frame 1 and the suspension beam 5, and when the bogie and the vehicle body connecting mechanism is damaged or fails, the safety ropes 2 can be connected with the bogie and the vehicle body, so that the safety of the vehicle is ensured.
The working principle is as follows: the U-shaped beam 3 is connected with the cross beams on the two sides of the bogie frame 1 through the pin shafts 11, the U-shaped beam 3 can rotate around the pin shafts 11 in the front and back direction, and therefore the load transmitted to the bogie frame 1 through the pin shafts 11 under any ramp is only powerful and has no front and back bending moment. The load distribution of the bearing wheels of the bogie is improved. The swing bolster 7 is connected with the U-shaped beam 3 through the middle vertical shaft 8, the middle vertical shaft 8 is in clearance fit with the connecting holes of the swing bolster 7 and the U-shaped beam 3, and the lower end of the middle vertical shaft 8 is fixed through a locking nut. Thus, the swing bolster 7 and the U-shaped beam 3 can rotate around the middle vertical shaft 8, and the middle vertical shaft 8 transmits axial load, left and right bending moments and front and back bending moments. The shock absorber 4, the shock absorption spring 9 and the shock absorption connecting shaft 10 are respectively arranged on the swing bolster 7 and the suspension beam 5, and the suspension beam 5 and the truck body 6 are arranged to form a vertical shock absorption suspension frame, so that the shock and the impact transmitted to the truck body by the bogie are reduced. The damping connecting shaft 10 performs assembling prepressing on the damping spring 9. The drawbar 12 is used to transmit longitudinal and lateral forces between the vehicle body and the bogie. Thus, the shock absorbers 4 and the shock springs 9 receive vertical loads between the vehicle body and the bogie. Four safety ropes 2 are connected between the bogie frame 1 and the suspension beam 5, and when the bogie and the vehicle body connecting mechanism is damaged or fails, the safety ropes 2 can be connected with the bogie and the vehicle body, so that the safety of the vehicle is ensured.
It is to be understood that: although above-mentioned embodiment is right the utility model discloses a design has done more detailed word description, but these word descriptions, are only right the utility model relates to a simple word description of idea, rather than right the utility model relates to a restriction of idea, any do not surpass the utility model relates to a combination, increase or the modification of idea all fall into the utility model discloses a within the protection scope.
Claims (3)
1. The utility model provides a suspension type monorail vehicle pulls suspension device suitable for big ramp which characterized by: u type roof beam (3) and bogie frame (1) both sides crossbeam use round pin axle (11) to be connected, U type roof beam (3) bottom is provided with the pinhole, use middle vertical axis (8) to be connected U type roof beam (3) and swing bolster (7), swing bolster (7) bilateral symmetry arranges two sets of bumper shock absorbers (4) and damping spring (9), bumper shock absorber (4) lower extreme and swing bolster (7) installation, bumper shock absorber (4) upper end and suspension beam (5) installation, damping spring (9) are respectively in swing bolster (7) through shock attenuation connecting axle (10), suspension beam (5) installation, suspension beam (5) and the mount pad installation that automobile body (6) correspond.
2. A suspended monorail vehicle traction suspension suitable for large ramps as defined in claim 1, wherein: the swing bolster (7) is provided with a traction rod mounting seat, the traction rods (12) are arranged in a herringbone mode, one end of each traction rod (12) is connected with the swing bolster (7), the other end of each traction rod (12) is connected with a traction support (13), and the traction support is welded and fixed on a vehicle body framework.
3. A suspended monorail vehicle traction suspension suitable for large ramps as defined in claim 1, wherein: four safety ropes (2) are connected between the bogie frame (1) and the suspension beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199557.0U CN209938607U (en) | 2019-02-15 | 2019-02-15 | Suspension type monorail vehicle traction suspension device suitable for large ramp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199557.0U CN209938607U (en) | 2019-02-15 | 2019-02-15 | Suspension type monorail vehicle traction suspension device suitable for large ramp |
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| Publication Number | Publication Date |
|---|---|
| CN209938607U true CN209938607U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920199557.0U Active CN209938607U (en) | 2019-02-15 | 2019-02-15 | Suspension type monorail vehicle traction suspension device suitable for large ramp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747675A (en) * | 2019-02-15 | 2019-05-14 | 中铁宝桥集团有限公司 | A kind of suspension type monorail vehicle traction draft hitch and method suitable for steep gradient |
| CN112622968A (en) * | 2021-01-05 | 2021-04-09 | 中车株洲电力机车有限公司 | Suspension type monorail car bogie and suspension type monorail train |
-
2019
- 2019-02-15 CN CN201920199557.0U patent/CN209938607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747675A (en) * | 2019-02-15 | 2019-05-14 | 中铁宝桥集团有限公司 | A kind of suspension type monorail vehicle traction draft hitch and method suitable for steep gradient |
| CN112622968A (en) * | 2021-01-05 | 2021-04-09 | 中车株洲电力机车有限公司 | Suspension type monorail car bogie and suspension type monorail train |
| CN112622968B (en) * | 2021-01-05 | 2022-04-08 | 中车株洲电力机车有限公司 | Suspension type monorail car bogie and suspension type monorail car |
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