CN109760768B - Safe automatic landing gear of monorail vehicle - Google Patents
Safe automatic landing gear of monorail vehicle Download PDFInfo
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- CN109760768B CN109760768B CN201910123427.3A CN201910123427A CN109760768B CN 109760768 B CN109760768 B CN 109760768B CN 201910123427 A CN201910123427 A CN 201910123427A CN 109760768 B CN109760768 B CN 109760768B
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Abstract
A safe automatic landing gear of a monorail vehicle comprises a motor, a mounting rack and a motor frame; the motor is arranged on the motor frame, and a turntable is arranged on an output shaft of the motor; the mounting frame is provided with a symmetrical left crank arm and a symmetrical right crank arm, the left crank arm and the right crank arm respectively comprise an upper arm, a lower arm and a straight plate for connecting the upper arm and the lower arm, the left crank arm and the right crank arm are respectively connected to the mounting frame through the straight plate in a pivoted mode, the lower arm of the left crank arm is provided with a left roller, and the lower arm of the right crank arm is provided with a right roller; the lower extreme of carousel is connected with the upper arm hinge of left turning arm through left crank, the upper end of carousel is connected with the upper arm hinge of right turning arm through right crank. The landing gear realizes lifting and contraction through the motor driving mechanical structure, has higher balance performance and safety coefficient, and simultaneously greatly improves the automation performance of the landing gear.
Description
Technical Field
The invention relates to the technical field of landing gears, in particular to a safe automatic landing gear of a monorail vehicle.
Background
With the progress of economic development and technology, the travel modes of people are more and more diversified, and the available transportation means are more and more, particularly, the people who ride bicycles and drive electric bikes are more and more popular with people mainly with their excellent flexible maneuverability and low cost operation, and the electric bicycle is the only green and environment-friendly motor vehicle capable of achieving zero emission in the world at present, so that the travel modes of people are changed deeply, and the double-wheel monorail vehicle is portable and portable, occupies small traffic space, and can improve travel efficiency and convenience.
However, the monorail vehicle also causes traffic accidents, and injuries of a plurality of traffic accidents are caused by the overturning of the vehicle body due to poor balance control of the vehicle. At present, the monorail vehicle is easy to lose balance at low speed and parking, and the balance is kept by means of the force of two feet or stepping on the supporting frame, but the balance is only opposite, and the balance is still not stable enough, so that the riding comfort is greatly reduced. Moreover, the existing support frame does not automatically play a role in protection when the vehicle encounters danger. Under the background of the current automatic development day-to-day variation, under the background that people have higher and higher requirements on safety, the improvement of the automatic performance and the safety balance performance of the support frame is a necessary trend.
Disclosure of Invention
The invention aims to overcome the defects and the shortcomings of the prior art, and provides a safe automatic undercarriage of a monorail vehicle, which has higher balance performance and safety coefficient and greatly improves the automation performance of the undercarriage.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a safe automatic landing gear of a monorail vehicle comprises a motor, a mounting rack and a motor frame; the motor is arranged on the motor frame, and a turntable is arranged on an output shaft of the motor;
the mounting frame is provided with a symmetrical left crank arm and a symmetrical right crank arm, the left crank arm and the right crank arm respectively comprise an upper arm, a lower arm and a straight plate for connecting the upper arm and the lower arm, the left crank arm and the right crank arm are respectively connected to the mounting frame through the straight plate in a pivoted mode, the lower arm of the left crank arm is provided with a left roller, and the lower arm of the right crank arm is provided with a right roller;
the lower extreme of carousel is connected with the upper arm hinge of left turning arm through left crank, the upper end of carousel is connected with the upper arm hinge of right turning arm through right crank.
In use, it will be appreciated that the landing gear of the present invention is mounted on a monorail vehicle, and in particular that both the mounting frame and the motor frame are secured to the monorail vehicle. When the monorail vehicle normally runs, the landing gear is in a contracted state, the upper arms of the left crank arm and the right crank arm are far away, and the lower arms of the left crank arm and the right crank arm are contracted upwards to be close; when the monorail vehicle is inclined or stopped, the motor is started to rotate, the motor drives the turntable to rotate, the turntable drives the upper arm of the left crank arm to rotate inwards through the left crank, the lower arm of the left crank arm and the left roller are unfolded outwards and downwards, the turntable drives the upper arm of the right crank arm to rotate inwards through the right crank, the lower arm of the right crank arm and the right roller are unfolded outwards and downwards, and the left roller and the right roller are supported on the ground, so that landing gear is quickly lowered, and the supporting effect on a vehicle body is achieved.
In conclusion, the landing gear disclosed by the invention realizes lifting and contraction through the motor driving mechanical structure, has higher balance performance and safety coefficient, and simultaneously greatly improves the automation performance of the landing gear.
As an improvement of the invention, the turntable is provided with a connecting rod, the upper end and the lower end of the connecting rod extend out of the turntable respectively, the lower end of the connecting rod is hinged with the upper arm of the left crank arm through a left crank, and the upper end of the connecting rod is hinged with the upper arm of the right crank arm through a right crank.
As an improvement of the invention, the turntable is provided with a sliding rail, and the connecting rod is arranged on the sliding rail in a vertical sliding way.
As an improvement of the invention, the number of the left idler wheels and the right idler wheels is two, the two left idler wheels are symmetrically arranged on the lower arm of the left crank arm, and the two right idler wheels are symmetrically arranged on the lower arm of the right crank arm.
As an improvement of the invention, the left crank arm and the right crank arm are respectively composed of two crank arm plates which are oppositely arranged in parallel, and each crank arm plate is provided with an upper arm, a lower arm and a straight plate which is connected with the upper arm and the lower arm.
Further, the two left rollers are connected between the lower ends of the two lower arms of the left crank arm through a left cross, specifically, the lower ends of the two lower arms of the left crank arm are connected by a longitudinal rod of the left cross, the two left rollers are connected on a transverse rod of the left cross, the two right rollers are connected between the lower ends of the two lower arms of the right crank arm through a right cross, specifically, the lower ends of the two lower arms of the right crank arm are connected by a longitudinal rod of the right cross, and the two right rollers are connected on a transverse rod of the right cross.
Further, an output shaft of the motor is in transmission connection with a rotating shaft through a coupler, and a rotating disc is arranged on the rotating shaft.
Compared with the prior art, the invention has the following advantages:
the landing gear realizes lifting and contraction through the motor driving mechanical structure, has higher balance performance and safety coefficient, and simultaneously greatly improves the automation performance of the landing gear.
Drawings
FIG. 1 is a schematic view of a safety automatic landing gear of a monorail vehicle of the present invention;
FIG. 2 is a contracted state view of the safety automatic landing gear of the monorail vehicle of the present invention;
FIG. 3 is a view of the safety automatic landing gear of the monorail vehicle of the present invention in an extended condition.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Examples
Referring to fig. 1 to 3, a safety automatic landing gear for a monorail vehicle comprises a motor 10, a mounting frame 20 and a motor frame 11; the motor 10 is arranged on the motor frame 11, and a rotary table 30 is arranged on an output shaft of the motor 10;
the mounting frame 20 is provided with a symmetrical left crank arm 40 and a symmetrical right crank arm 50, the left crank arm 40 and the right crank arm 50 respectively comprise an upper arm 41, a lower arm 43 and a straight plate 43 for connecting the upper arm 41 and the lower arm 43, the left crank arm 40 and the right crank arm 50 are respectively connected to the mounting frame 20 through the straight plate 43 in a pivoted mode, the lower arm of the left crank arm 40 is provided with a left roller 60, and the lower arm of the right crank arm 50 is provided with a right roller 70;
the lower end of the turntable 30 is hinged with the upper arm of the left crank arm 40 through a left crank 80, and the upper end of the turntable 30 is hinged with the upper arm of the right crank arm 50 through a right crank 90.
In use, it will be appreciated that the landing gear of the present invention is mounted on a monorail vehicle, and in particular that both the mounting frame and the motor frame are secured to the monorail vehicle. When the monorail vehicle normally runs, the landing gear is in a contracted state, the upper arms of the left crank arm and the right crank arm are far away, and the lower arms of the left crank arm and the right crank arm are contracted upwards to be close; when the monorail vehicle is inclined or stopped, the motor is started to rotate, the motor drives the turntable to rotate, the turntable drives the upper arm of the left crank arm to rotate inwards through the left crank, the lower arm of the left crank arm and the left roller are unfolded outwards and downwards, the turntable drives the upper arm of the right crank arm to rotate inwards through the right crank, the lower arm of the right crank arm and the right roller are unfolded outwards and downwards, and the left roller and the right roller are supported on the ground, so that landing gear is quickly lowered, and the supporting effect on a vehicle body is achieved.
In conclusion, the landing gear disclosed by the invention realizes lifting and contraction through the motor driving mechanical structure, has higher balance performance and safety coefficient, and simultaneously greatly improves the automation performance of the landing gear.
In this embodiment, the turntable 30 is provided with a connecting rod 31, the upper end and the lower end of the connecting rod 31 respectively extend out of the turntable 30, the lower end of the connecting rod 31 is hinged with the upper arm of the left crank arm 40 through the left crank 80, and the upper end of the connecting rod 31 is hinged with the upper arm of the right crank arm 50 through the right crank 90. The carousel passes through the connecting rod and is connected with left crank, right crank respectively, and the upper end and the lower extreme of connecting rod stretch out to the carousel respectively outside, can improve left crank and right crank pivoted flexibility ratio. On the basis of the above, this embodiment is further improved, the turntable 30 is provided with a sliding rail, and the connecting rod 31 is slidably disposed on the sliding rail. The connecting rod and the turntable can slide relatively to prevent the left crank and the right crank from being locked in the rotation process.
In this embodiment, the number of the left rollers 60 and the right rollers 70 is two, the two left rollers 60 are symmetrically disposed on the lower arm of the left crank arm 40, and the two right rollers 70 are symmetrically disposed on the lower arm of the right crank arm 50. The two left idler wheels and the two right idler wheels are symmetrically arranged respectively, and balance of the landing gear is improved.
In this embodiment, the left lever 40 and the right lever 50 are respectively composed of two lever plates 100 disposed in parallel opposite to each other, and the lever plates 100 have an upper arm 41, a lower arm 42, and a straight plate 43 connecting the upper arm 41 and the lower arm 42. On the basis of the above, with further improvement, the two left rollers 60 are connected between the lower ends of the two lower arms of the left crank arm 40 through the left cross 61, specifically, the lower ends of the two lower arms of the left crank arm 40 are connected by the longitudinal rod of the left cross 61, and the two left rollers 60 are connected to the transverse rod of the left cross 61; the two right rollers 70 are connected between the lower ends of the two lower arms of the right crank arm 50 through a right cross 71, and specifically, the longitudinal bars of the right cross 71 connect the lower ends of the two lower arms of the right crank arm 50, and the two right rollers 70 are connected to the lateral bars of the right cross 71. The left crank arm and the right crank arm are formed by two crank arm plates which are oppositely arranged in parallel, so that the rigidity of the left crank arm and the right crank arm can be enhanced, and the whole weight of the landing gear is reduced.
In this embodiment, the output shaft of the motor 10 is connected with a rotating shaft 13 through a coupling 12, and a turntable 30 is disposed on the rotating shaft 13. The motor is connected with the rotating shaft through the coupler, so that the motor can be prevented from bearing excessive load, and the overload protection function is achieved.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (4)
1. A safe automatic landing gear of a monorail vehicle comprises a motor, a mounting rack and a motor frame; the motor is arranged on the motor frame, and a turntable is arranged on an output shaft of the motor;
the method is characterized in that: the mounting frame is provided with a symmetrical left crank arm and a symmetrical right crank arm, the left crank arm and the right crank arm respectively comprise an upper arm, a lower arm and a straight plate for connecting the upper arm and the lower arm, the left crank arm and the right crank arm are respectively connected to the mounting frame through the straight plate in a pivoted mode, the lower arm of the left crank arm is provided with a left roller, and the lower arm of the right crank arm is provided with a right roller;
the lower end of the rotary table is hinged with the upper arm of the left crank arm through a left crank, and the upper end of the rotary table is hinged with the upper arm of the right crank arm through a right crank;
the rotary table is provided with a connecting rod, the upper end and the lower end of the connecting rod extend out of the rotary table respectively, the lower end of the connecting rod is hinged with the upper arm of the left crank arm through a left crank, and the upper end of the connecting rod is hinged with the upper arm of the right crank arm through a right crank;
the number of the left idler wheels and the right idler wheels is two, the two left idler wheels are symmetrically arranged on the lower arm of the left crank arm, and the two right idler wheels are symmetrically arranged on the lower arm of the right crank arm;
the two left idler wheels are connected between the lower ends of the two lower arms of the left crank arm through a left cross, specifically, the lower ends of the two lower arms of the left crank arm are connected by a longitudinal rod of the left cross, the two left idler wheels are connected on a transverse rod of the left cross, the two right idler wheels are connected between the lower ends of the two lower arms of the right crank arm through a right cross, specifically, the lower ends of the two lower arms of the right crank arm are connected by a longitudinal rod of the right cross, and the two right idler wheels are connected on a transverse rod of the right cross.
2. The safety automatic landing gear of a monorail vehicle of claim 1, wherein: the turntable is provided with a sliding rail, and the connecting rod is arranged on the sliding rail in a vertical sliding way.
3. The safety automatic landing gear of a monorail vehicle of claim 1, wherein: the left crank arm and the right crank arm are respectively composed of two crank arm plates which are oppositely arranged in parallel, and each crank arm plate is provided with an upper arm, a lower arm and a straight plate which is connected with the upper arm and the lower arm.
4. The safety automatic landing gear of a monorail vehicle of claim 1, wherein: an output shaft of the motor is in transmission connection with a rotating shaft through a coupler, and a rotating disc is arranged on the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123427.3A CN109760768B (en) | 2019-02-18 | 2019-02-18 | Safe automatic landing gear of monorail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123427.3A CN109760768B (en) | 2019-02-18 | 2019-02-18 | Safe automatic landing gear of monorail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN109760768A CN109760768A (en) | 2019-05-17 |
| CN109760768B true CN109760768B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910123427.3A Active CN109760768B (en) | 2019-02-18 | 2019-02-18 | Safe automatic landing gear of monorail vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874676B (en) * | 2021-02-04 | 2022-02-01 | 安徽小龙仔儿童用品有限公司 | Rollover-prevention children's carriage and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7461851B2 (en) * | 2004-05-13 | 2008-12-09 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle, wheel suspension device and method of assembling vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193715A (en) * | 2003-12-26 | 2005-07-21 | Honda Motor Co Ltd | Motor-driven vehicle |
| CN1995949A (en) * | 2006-12-31 | 2007-07-11 | 西南交通大学 | Railroad locomotive running simulation test bed |
| US8070172B1 (en) * | 2010-02-12 | 2011-12-06 | TreMoto, LLC | Leaning vehicle suspension |
| WO2016082790A1 (en) * | 2014-11-27 | 2016-06-02 | 郑州宇通客车股份有限公司 | Transversely-stabilizing device and vehicle using same |
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| CN109760768A (en) | 2019-05-17 |
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