CN112081867B - Explosion-proof electric wheel damping device - Google Patents

Explosion-proof electric wheel damping device Download PDF

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Publication number
CN112081867B
CN112081867B CN202010877173.7A CN202010877173A CN112081867B CN 112081867 B CN112081867 B CN 112081867B CN 202010877173 A CN202010877173 A CN 202010877173A CN 112081867 B CN112081867 B CN 112081867B
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China
Prior art keywords
cross beam
spring
swing rod
explosion
electric wheel
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CN202010877173.7A
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Chinese (zh)
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CN112081867A (en
Inventor
王秋伟
赵又群
徐瀚
邓耀骥
张陈曦
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/04Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally mechanically, e.g. having frictionally-engaging springs as damping elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses an explosion-proof electric wheel damping device, which belongs to the technical field of damping devices and specifically comprises a first cross beam and a second cross beam which are arranged in parallel, wherein one side between the first cross beam and the second cross beam is connected through a supporting beam, a swing rod is arranged between the first cross beam and the second cross beam, one end of the swing rod is rotatably connected with the middle part of the supporting beam, and the other end of the swing rod is connected with a stator of an explosion-proof electric wheel; at least one group of first damping assemblies is arranged between the swing rod and the first cross beam; at least one group of second damping assemblies is arranged between the swing rod and the second cross beam; a simple integrated stress lever form is adopted, so that the integration and integration of the whole vehicle chassis are facilitated; the upper and lower groups of damping assemblies respectively apply forces with opposite rotating directions, so that the vibration of the wheels can be quickly attenuated, the driving comfort of the vehicle is ensured, and meanwhile, the invention has simple structure and compact arrangement and is beneficial to saving the vehicle space.

Description

Explosion-proof electric wheel damping device
Technical Field
The invention relates to the field of damping devices, in particular to a damping device for an explosion-proof electric wheel.
Background
At present, the explosion-proof electric wheel technology is widely applied in the military field, the vehicle shock absorption matched with the explosion-proof electric wheel mostly depends on a suspension structure except wheels, for example, the Chinese patent with the publication number of CN105235459A and the publication number of 2016.01.13 discloses a suspension shock absorption electric wheel, and the suspension shock absorber comprises a shock absorption component and a suspension component according to the specification and the specification paragraph [ 0018 ], wherein the shock absorption component comprises a shell, the shell is externally installed on an electric vehicle through an electric vehicle chassis connecting seat, a guide pillar lubricating sleeve, a guide bushing and a shock absorption spring are arranged in the shell, a guide pillar is arranged in the guide pillar lubricating sleeve, the guide bushing and the shock absorption spring, the head of the shell is connected with the suspension component through a connecting frame, the suspension component comprises an upper end cover and a lower end cover, and a guide rod and a suspension spring are arranged between the upper end cover and the lower end cover.
Therefore, the suspension structure is complex in shape, high in cost and large in occupied vehicle space, the whole vehicle chassis is not favorable for integration and integrated design, and once the suspension structure is damaged, the riding comfort is directly influenced.
Disclosure of Invention
In order to solve the problems that the existing shock absorption device for the explosion-proof electric wheel is complex in structure and large in occupied space and is not beneficial to the integration and integrated design of a chassis of the whole vehicle, the invention provides the shock absorption device for the explosion-proof electric wheel, which is simple in structure, compact in arrangement and beneficial to saving the vehicle space.
In order to achieve the purpose, the invention provides the technical scheme that: an explosion-proof electric wheel damping device comprises a first cross beam and a second cross beam which are arranged in parallel, wherein one side between the first cross beam and the second cross beam is connected through a supporting beam, a swing rod is arranged between the first cross beam and the second cross beam, one end of the swing rod is rotatably connected with the middle part of the supporting beam, and the other end of the swing rod is connected with a stator of an explosion-proof electric wheel; at least one group of first damping assemblies is arranged between the oscillating bar and the first cross beam, one end of each first damping assembly is connected with the cross beam, and the other end of each first damping assembly is connected with the oscillating bar; at least one group of second damping assemblies is arranged between the swing rod and the second cross beam, one end of each second damping assembly is connected with the cross beam, and the other end of each second damping assembly is connected with the swing rod.
Optionally, the central axis of the first shock absorbing assembly and the central axis of the second shock absorbing assembly are on the same straight line.
Optionally, a clamping piece is arranged in the middle of the supporting beam, a groove is formed in the clamping piece, the oscillating bar is inserted into the groove, and the oscillating bar is connected with the clamping piece through a pin.
Optionally, one side of the swing rod, which is far away from the supporting beam, is connected with a fixing piece, the fixing piece comprises a round fixing disc, one side of the fixing disc is connected with the swing rod, and the other side of the fixing disc is provided with a plurality of fixing columns along the periphery of the fixing disc in an evenly distributed manner.
Optionally, the first shock absorbing assembly includes a first spring damper, one end of the first spring damper is fixedly connected to the first cross beam, and the other end of the first spring damper is fixedly connected to the swing rod.
Optionally, the second damping assembly includes a second spring damper, one end of the second spring damper is fixedly connected to the second beam, and the other end of the second spring damper is fixedly connected to the swing rod.
Optionally, the first damping assembly includes a first spring, one end of the first spring is connected to the first beam, and the other end of the first spring is connected to the swing rod.
Optionally, the second damping assembly includes a second spring, one end of the second spring is connected to the second beam, and the other end of the second spring is connected to the swing rod.
Optionally, a guide rod is connected between the first cross beam and the second cross beam, the guide rod penetrates through the swing rod, and the first spring and the second spring are wrapped on the outer ring of the guide rod.
Optionally, an annular first check ring is arranged between the first spring and the swing rod, and the outer ring of the guide rod is wrapped by the first check ring; an annular second retainer ring is arranged between the second spring and the oscillating bar, and the second retainer ring wraps the outer ring of the guide bar.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a simple integrated stress lever form, cancels the traditional vehicle suspension structure and is beneficial to the integration of the whole vehicle chassis; the damping device has the advantages that the upper and lower groups of damping components are respectively applied to forces with opposite rotating directions, so that the vibration of the wheels can be quickly attenuated, and the driving comfort of the vehicle is ensured.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a block diagram of a spring damper;
FIG. 3 is a perspective view of another embodiment of the present invention;
FIG. 4 is a front view of FIG. 3;
fig. 5 is an exploded view of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Referring to fig. 1 to 5, the embodiment provides an explosion-proof electric wheel damping device, which includes a first beam 10 and a second beam 20 arranged in parallel, one side between the first beam 10 and the second beam 20 is connected through a supporting beam 30, a clamping member 301 is arranged in the middle of the supporting beam 30, the clamping member 301 is provided with a groove, one end of a swing rod 40 is inserted into the groove, and the swing rod 40 is connected with the clamping member 301 through a pin, so that the swing rod 40 can rotate around the joint of the clamping member 301 and the swing rod 40, thereby adapting to the vibration of the explosion-proof electric wheel.
One side that the supporting beam is kept away from to pendulum rod 40 is connected with mounting 50, mounting 50 is used for connecting the stator of explosion-proof electronic round of taking place, and mounting 50 includes circular shape fixed disk 501, and one side and the pendulum rod 40 of fixed disk 501 are connected, and the opposite side has a plurality of fixed columns 502 along fixed disk 501's peripheral evenly distributed, is connected with the stator of explosion-proof electronic round of taking place through fixed column 502, and is safe firm, can effectually prevent this damping device emergence obscission.
When the anti-explosion electric wheel is vibrated up and down, the fixing piece 50 can drive the swing rod 40 to rotate up and down by taking the groove of the clamping piece 301 as a center.
Further, a first damping assembly 60 is arranged between the swing rod 40 and the first cross beam 10, one end of the first damping assembly 60 is connected with the first cross beam 10, and the other end is connected with the swing rod 40; a second damping assembly 70 is arranged between the swing rod 40 and the second beam 20, one end of the second damping assembly 70 is connected with the second beam 20, and the other end is connected with the swing rod 40.
During the movement of the vehicle, the vehicle is excited by the displacement from the undulating road surface and directly acts on the driving wheels to cause the wheels to vibrate up and down along with the wheels, the vibration directly causes the swing rod 40 directly connected with the wheels to rotate up and down by taking the groove of the clamping piece 301 as the center, during the upward movement of the swing rod 40, the first damping component 60 is pressed, the second damping component 70 is pulled, and the first damping component and the second damping component simultaneously prevent the swing rod 40 from continuously moving upwards; similarly, during the downward movement of the swing link 40, the first damping member 60 is pulled and the second damping member 70 is compressed, so that the same damping effect as that of the suspension can be obtained.
It should be noted that, in the present embodiment, only one set of the first damping assemblies 60 is disposed between the swing link 40 and the first beam 10, but the scope of the present invention is not limited thereto, and it is within the scope of the present invention to dispose a plurality of sets of the first damping assemblies 60 between the swing link 40 and the first beam 10, and similarly, it is within the scope of the present invention to dispose a plurality of sets of the second damping assemblies 70 between the swing link 40 and the second beam 20.
It should be noted that, in this embodiment, the central axis of the first damping assembly 60 and the central axis of the second damping assembly 70 are located on the same straight line, so that the stress on the swing link is uniform, and the service life of the swing link is prolonged. However, the scope of the present invention is not limited thereto, and it is within the scope of the present invention that the first and second shock absorbing members are alternately disposed.
In some embodiments, as shown in fig. 1, the first shock absorbing assembly 60 employs a spring damper, and the spring damper is configured, referring to fig. 2, such that one end of the spring damper is fixedly connected to the first beam 10 by a bolt, and the other end of the spring damper is fixedly connected to the swing link 40 by a bolt.
Similarly, the second shock absorbing assembly 70 also adopts a spring damper, and the structure of the spring damper refers to fig. 2, one end of the spring damper is fixedly connected with the second beam 20 through a bolt, and the other end of the spring damper is fixedly connected with the swing rod 40 through a bolt.
In other embodiments, as shown in fig. 3-5, the first damping member 60 comprises a spring, one end of which is fixedly connected to the first beam 10 and the other end of which is fixedly connected to the swing link 40.
Similarly, the second damping assembly 70 includes a spring, one end of which is fixedly connected to the first beam 10, and the other end of which is fixedly connected to the swing rod 40. Compared with a spring damper, the spring damping structure is simple, the cost is low, and the spring damper is suitable for small vehicles with low damping requirements.
In order to ensure that the spring does not shake when moving up and down, a guide rod 80 is connected between the first beam 10 and the second beam 20, the guide rod 80 passes through the swing rod 40, and the spring of the first damping assembly 60 and the spring of the second damping assembly 70 are wrapped on the outer ring of the guide rod 80.
In addition, for convenience of fixation, an annular first retainer ring 901 is arranged between the spring of the first damping assembly 60 and the swing rod 40, and the first retainer ring 90 is wrapped on the outer ring of the guide rod 80; similarly, an annular second retainer ring 902 is arranged between the spring of the second damping assembly 70 and the swing rod 40, and the second retainer ring 902 is wrapped on the outer ring of the guide rod 80.
In the process of vehicle running, the vibration applied to the wheels on the road surface directly acts on the swing rod structure, so that the swing rod rotates around the swing pivot, in the process of swing rod rotation, the upper and lower groups of spring resistors or springs respectively apply forces in opposite rotation directions, so that the wheel vibration can be quickly attenuated, and the vehicle running comfort is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. The utility model provides an explosion-proof electronic round of damping device which characterized in that: the vehicle-mounted device comprises a first cross beam and a second cross beam which are arranged in parallel, wherein one side between the first cross beam and the second cross beam is connected through a support beam, and the support beam is connected with a vehicle axle; a swing rod is arranged between the first cross beam and the second cross beam, one end of the swing rod is rotatably connected with the middle part of the supporting beam, and the other end of the swing rod is connected with a stator of the explosion-proof electric wheel; at least one group of first damping assemblies is arranged between the oscillating bar and the first cross beam, one end of each first damping assembly is connected with the first cross beam, and the other end of each first damping assembly is connected with the oscillating bar; at least one group of second damping assemblies is arranged between the oscillating bar and the second cross beam, one end of each second damping assembly is connected with the second cross beam, and the other end of each second damping assembly is connected with the oscillating bar; one side of the swing rod, which is far away from the supporting beam, is connected with a fixing piece, the fixing piece comprises a round fixing disc, one side of the fixing disc is connected with the swing rod, and the other side of the fixing disc is provided with a plurality of fixing columns along the periphery of the fixing disc in an evenly distributed manner.
2. The explosion-proof electric wheel shock absorbing device according to claim 1, wherein: the central axis of the first damping assembly and the central axis of the second damping assembly are positioned on the same straight line.
3. The explosion-proof electric wheel shock absorbing device according to claim 1, wherein: the middle part of the supporting beam is provided with a clamping piece, the clamping piece is provided with a groove, the oscillating bar is inserted into the groove, and the oscillating bar is connected with the clamping piece through a pin.
4. The explosion-proof electric wheel shock-absorbing device according to claim 1 or 2, characterized in that: the first shock absorption assembly comprises a first spring damper, one end of the first spring damper is fixedly connected with the first cross beam, and the other end of the first spring damper is fixedly connected with the swing rod.
5. The explosion-proof electric wheel shock absorbing device according to claim 4, wherein: the second shock absorption assembly comprises a second spring damper, one end of the second spring damper is fixedly connected with the second cross beam, and the other end of the second spring damper is fixedly connected with the swing rod.
6. The explosion-proof electric wheel shock-absorbing device according to claim 1 or 2, characterized in that: the first damping assembly comprises a first spring, one end of the first spring is connected with the first cross beam, and the other end of the first spring is connected with the swing rod.
7. The explosion-proof electric wheel shock absorbing device according to claim 6, wherein: the second damping assembly comprises a second spring, one end of the second spring is connected with the second cross beam, and the other end of the second spring is connected with the swing rod.
8. The explosion-proof electric wheel shock absorbing device according to claim 7, wherein: a guide rod is connected between the first cross beam and the second cross beam, the guide rod penetrates through the swing rod, and the first spring and the second spring are wrapped on the outer ring of the guide rod.
9. The explosion-proof electric wheel shock absorbing device according to claim 7, wherein: an annular first check ring is arranged between the first spring and the oscillating bar, and the outer ring of the guide rod is wrapped by the first check ring; an annular second retainer ring is arranged between the second spring and the oscillating bar, and the second retainer ring wraps the outer ring of the guide bar.
CN202010877173.7A 2020-08-27 2020-08-27 Explosion-proof electric wheel damping device Active CN112081867B (en)

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Application Number Priority Date Filing Date Title
CN202010877173.7A CN112081867B (en) 2020-08-27 2020-08-27 Explosion-proof electric wheel damping device

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Application Number Priority Date Filing Date Title
CN202010877173.7A CN112081867B (en) 2020-08-27 2020-08-27 Explosion-proof electric wheel damping device

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CN112081867B true CN112081867B (en) 2022-01-18

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103921637A (en) * 2014-04-29 2014-07-16 重庆大学 Inner vibration absorbing device of high-speed electric wheel and electric wheel
CN203766484U (en) * 2014-02-07 2014-08-13 同济大学 Integrated Macpherson suspension wheel rim electric driving system for steering wheel
CN206277949U (en) * 2016-12-01 2017-06-27 吉林大学 It is a kind of for electric automobile wheel all-directional turn to conversion equipment and can comprehensive steering electric automobile
CN108407601A (en) * 2018-02-11 2018-08-17 清华大学 A kind of built-in suspension and position restraint-type driven motor wheel of In-wheel motor driving
CN208130113U (en) * 2017-07-27 2018-11-23 广东大洋医疗科技股份有限公司 A kind of shockproof vehicle body micro-adjusting mechanism of electric wheel-chair vehicle front-wheel
CN109121405A (en) * 2016-08-24 2019-01-01 圣彼得堡波利马格尼特有限责任公司 The Electric Motor Wheel of vehicle
CN109774456A (en) * 2019-01-16 2019-05-21 山东交通学院 A kind of wheel motor drive device of electric car

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203766484U (en) * 2014-02-07 2014-08-13 同济大学 Integrated Macpherson suspension wheel rim electric driving system for steering wheel
CN103921637A (en) * 2014-04-29 2014-07-16 重庆大学 Inner vibration absorbing device of high-speed electric wheel and electric wheel
CN109121405A (en) * 2016-08-24 2019-01-01 圣彼得堡波利马格尼特有限责任公司 The Electric Motor Wheel of vehicle
CN206277949U (en) * 2016-12-01 2017-06-27 吉林大学 It is a kind of for electric automobile wheel all-directional turn to conversion equipment and can comprehensive steering electric automobile
CN208130113U (en) * 2017-07-27 2018-11-23 广东大洋医疗科技股份有限公司 A kind of shockproof vehicle body micro-adjusting mechanism of electric wheel-chair vehicle front-wheel
CN108407601A (en) * 2018-02-11 2018-08-17 清华大学 A kind of built-in suspension and position restraint-type driven motor wheel of In-wheel motor driving
CN109774456A (en) * 2019-01-16 2019-05-21 山东交通学院 A kind of wheel motor drive device of electric car

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