CN214617669U - Buffer device for reducing impact force of wheel axle - Google Patents

Buffer device for reducing impact force of wheel axle Download PDF

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Publication number
CN214617669U
CN214617669U CN202120013105.6U CN202120013105U CN214617669U CN 214617669 U CN214617669 U CN 214617669U CN 202120013105 U CN202120013105 U CN 202120013105U CN 214617669 U CN214617669 U CN 214617669U
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CN
China
Prior art keywords
wheel axle
wheel shaft
connecting plate
fixedly connected
reducing spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120013105.6U
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Chinese (zh)
Inventor
王亚琴
杨敏
马竹樵
钱超
廖茂潘
罗康维
唐轩
吴逸凡
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Priority to CN202120013105.6U priority Critical patent/CN214617669U/en
Application granted granted Critical
Publication of CN214617669U publication Critical patent/CN214617669U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a buffer for wheel shaft reduces impact force relates to buffer technical field, including the wheel shaft, the one end fixedly connected with owner's connecting axle of wheel shaft, the one end fixedly connected with second connecting plate of owner's connecting axle, the vice connecting axle of one side fixedly connected with of second connecting plate, wheel shaft has cup jointed first connecting plate, clamp plate. The utility model discloses rational in infrastructure, before torque transmission to wheel shaft, it twists reverse to drive the compression of reducing spring earlier, offsets a part torque to the realization reduces and transmits to the epaxial torque of wheel shaft, has reached the effect of buffering, has protected the wheel shaft, and the wheel shaft receives the axial impact force, and the impact force is under reducing spring's cushioning effect, reduces the impact force and strikes the wheel shaft, has protected the wheel shaft, and reducing spring's rigidity is the change, thereby realizes that the buffering is effectual.

Description

Buffer device for reducing impact force of wheel axle
Technical Field
The utility model relates to a buffer technical field, in particular to a buffer that is used for wheel shaft to reduce impact force.
Background
In the middle of the real life, small-size trolley-bus is when starting and stopping in the twinkling of an eye, because be the lug connection through the chain between two sprockets of sprocket and motor sprocket on the wheel shaft, belong to rigid connection, to the non-motor vehicle and the non-motor vehicle that need often travel on highway sections such as mountain region or silt pothole, the shaft is very easy wearing and tearing, fracture even, and when the trolley-bus is started in the twinkling of an eye, will produce very big torque, lead to the shaft fracture easily, consequently, this application provides a buffer for wheel shaft reduces the impact force and satisfies the demand.
SUMMERY OF THE UTILITY MODEL
The utility model provides a buffer for wheel shaft reduces impact force, realizes reducing the torque that transmits to wheel shaft, has reached the effect of buffering, has protected wheel shaft.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a buffer for wheel shaft reduces impact force, includes the wheel shaft, the one end fixedly connected with main connecting axle of wheel shaft, the one end fixedly connected with second connecting plate of main connecting axle, the vice connecting axle of one side fixedly connected with of second connecting plate, wheel shaft has cup jointed first connecting plate, clamp plate, wheel shaft is epaxial the spiro union has threaded sleeve, threaded sleeve's one end fixed connection be in on the clamp plate, one side of clamp plate with the laminating of first connecting plate mutually, the reducing spring has been cup jointed on the main connecting axle, the fixed cover has been connected sprocket, reinforcement sleeve, bearing on the vice connecting axle, reinforcement sleeve's one side with the sprocket is laminated mutually.
By means of the structure, when the chain wheel rotates at a high speed instantly, a large torque can be generated, the torque is firstly transmitted to the main connecting shaft and then transmitted to the wheel axle, the reducing spring is firstly driven to compress and twist before the torque is transmitted to the wheel axle, and a part of the torque is offset, so that the torque transmitted to the wheel axle is reduced, the buffering effect is achieved, the wheel axle is protected, when a vehicle runs on sections such as mountainous regions or mud pits, the wheel axle can be subjected to axial impact force, the impact force is reduced and impacted on the wheel axle under the buffering effect of the reducing spring, the wheel axle is protected, the rigidity of the reducing spring is changed, the rigidity change value of each section is different, and when the external force is applied, the buffering force and the torque are changed, and the buffering effect is good.
Preferably, the side wall of the wheel axle is provided with a limit groove, the inner wall of the limit groove is provided with a ball groove, a limit pin is arranged in the limit groove, the side wall of the limit pin is fixedly connected with a limit ball, and the limit ball is positioned in the ball groove.
The relative position of the limiting pin is fixed by arranging the limiting ball, the ball groove and the limiting groove.
Preferably, a plurality of limiting rods are fixedly connected to the side wall of one end of the wheel axle in an annular manner, a plurality of axle grooves are formed in the inner wall of the first connecting plate in an annular manner, and the plurality of limiting rods are respectively located in the plurality of axle grooves.
The rotation direction of the first connecting plate is limited by the arrangement of the plurality of shaft grooves.
Preferably, the middle of the reducing spring is arranged in a variable manner, and the two ends of the reducing spring are large and the middle of the reducing spring is small.
Preferably, mounting holes are formed in one side of each of the first connecting plate and the second connecting plate, and two ends of the reducing spring penetrate through the mounting holes respectively.
The mounting hole is used for fixing the position of the reducing spring.
Preferably, the diameter of the main connecting shaft is larger than that of the wheel axle, and the diameter of the main connecting shaft is larger than that of the auxiliary connecting shaft.
Preferably, the side wall of the limit pin is in contact with one end of the threaded sleeve.
To sum up, the utility model discloses a technological effect and advantage:
1. the utility model discloses rational in infrastructure, the sprocket is when high-speed rotation in the twinkling of an eye, can produce a great torque, the torque is transmitted to the king-wire at first, then on transmitting to the wheel shaft, the torque is before transmitting to the wheel shaft, drive reducing spring compression torsion earlier, offset some torque, thereby realize reducing the torque of transmitting to the wheel shaft, the effect of buffering has been reached, the wheel shaft has been protected, when the car goes on highway sections such as mountain region or silt pothole, the wheel shaft can receive the axial impact force, and the impact force is under reducing spring's cushioning effect, reduce and strike the wheel shaft, the wheel shaft has been protected, reducing spring's rigidity is the change, the rigidity variation value of each section position is different, when receiving external force, buffer force and torque all change, thereby realize that the buffering effect is good;
2. the utility model discloses in, first connecting plate cup joints at wheel shaft epaxially, through a plurality of axial grooves, gag lever post, restricts first connecting plate direction of rotation, through threaded sleeve, clamp plate, fixes the relative position of first connecting plate and wheel shaft, through setting up spacing ball, ball groove, spacing groove, fixes the relative position of spacer pin, and the spacer pin prevents that threaded sleeve is not hard up with threaded sleeve one end contact for first connecting plate position removes, influences the normal work of reducing spring.
Drawings
FIG. 1 is a schematic view of a first perspective structure of a buffer device;
FIG. 2 is a partially cut-away perspective view of the cushioning device;
FIG. 3 is an enlarged perspective view of the wheel axle;
FIG. 4 is an enlarged perspective view of the first connecting plate;
fig. 5 is an enlarged perspective view of the reducing spring.
In the figure: 1. a wheel axle; 2. a threaded bushing; 3. pressing a plate; 4. a first connecting plate; 5. a main connecting shaft; 6. a reinforcing sleeve; 7. a secondary connecting shaft; 8. a bearing; 9. a sprocket; 10. a second connecting plate; 11. a variable diameter spring; 12. a spacing pin; 13. a limiting ball; 14. a limiting groove; 15. and (4) a shaft groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): referring to fig. 1 to 5, a shock absorber for a wheel axle to reduce impact force includes a wheel axle 1, a main connecting shaft 5 is fixedly connected to one end of the wheel axle 1, and the main connecting shaft 5 and the wheel axle 1 may be fixedly connected by welding in the prior art.
One end of the main connecting shaft 5 is fixedly connected with a second connecting plate 10, and the second connecting plate 10 and the main connecting shaft 5 can be in a welding and fixing connection mode in the prior art.
One side of the second connecting plate 10 is fixedly connected with the secondary connecting shaft 7, and the second connecting plate 10 and the secondary connecting shaft 7 can be fixedly connected by welding in the prior art.
The wheel shaft 1 is sleeved with a first connecting plate 4 and a pressing plate 3, the wheel shaft 1 is screwed with a threaded sleeve 2, one end of the threaded sleeve 2 is fixedly connected to the pressing plate 3, and the threaded sleeve 2 and the pressing plate 3 can be of an integrally formed structure.
One side of the pressing plate 3 is attached to the first connecting plate 4, and the pressing plate 3 is used for clamping the first connecting plate 4, so that the relative position of the first connecting plate 4 is kept fixed.
The main connecting shaft 5 is sleeved with a reducing spring 11, the auxiliary connecting shaft 7 is fixedly sleeved with a chain wheel 9, a reinforcing sleeve 6 and a bearing 8, one side of the reinforcing sleeve 6 is attached to the chain wheel 9, and the reinforcing sleeve 6 reinforces the connection strength between the chain wheel 9 and the auxiliary connecting shaft 7.
By means of the structure, when the chain wheel 9 rotates at a high speed instantly, a large torque can be generated, the torque is firstly transmitted to the main connecting shaft 5 and then transmitted to the wheel axle 1, the reducing spring 11 is driven to compress and twist before the torque is transmitted to the wheel axle 1 to offset a part of the torque, so that the torque transmitted to the wheel axle 1 is reduced, the buffering effect is achieved, the wheel axle 1 is protected, when a vehicle runs on a section of mountain land or a mud pit and the like, the wheel axle 1 can be subjected to axial impact force, the impact force is reduced to impact the wheel axle 1 under the buffering effect of the reducing spring 11, the wheel axle 1 is protected, the rigidity of the reducing spring 11 is changed, the rigidity change value of each section is different, and when the external force is applied, the buffering force and the torque are changed, and the buffering effect is good.
As an implementation manner in this embodiment, a limiting groove 14 is formed on a side wall of the wheel axle 1, a ball groove is formed on an inner wall of the limiting groove 14, a limiting pin 12 is disposed in the limiting groove 14, a limiting ball 13 is fixedly connected to the side wall of the limiting pin 12, and the limiting ball 13 is located in the ball groove. This has the advantage of fixing the relative position of the spacing pin 12.
As an implementation manner in this embodiment, a plurality of limiting rods are fixedly connected to a side wall of one end of the wheel axle 1 in an annular shape, a plurality of shaft grooves 15 are formed in an inner wall of the first connecting plate 4 in an annular shape, and the plurality of limiting rods are respectively located in the plurality of shaft grooves 15. By providing a plurality of shaft grooves 15, the rotational direction of the first link plate 4 is restricted.
As an implementation manner in this embodiment, the middle of the reducing spring 11 is set to be variable, and the two ends are large and the middle is small, so that the advantage of the setting is that the rigidity of the reducing spring 11 is changed, and a better buffering effect is achieved.
As an implementation manner in this embodiment, mounting holes are formed in one side of each of the first connecting plate 4 and the second connecting plate 10, two ends of the reducing spring 11 respectively penetrate through a pair of mounting holes, and the mounting holes are used for fixing the position of the reducing spring 11.
As an embodiment in the present embodiment, the diameter of the main connecting shaft 5 is larger than the diameter of the wheel axle 1, and the diameter of the main connecting shaft 5 is larger than the diameter of the sub connecting shaft 7.
As an embodiment in the present embodiment, the side wall of the stopper pin 12 is in contact with one end of the threaded sleeve 2.
This practical theory of operation:
when the chain wheel 9 rotates at a high speed instantly, a large torque is generated, the torque is firstly transmitted to the main connecting shaft 5 and then transmitted to the wheel axle 1, before the torque is transmitted to the wheel axle 1, the reducing spring 11 is driven to compress and twist to offset a part of the torque, so that the torque transmitted to the wheel axle 1 is reduced, the buffering effect is achieved, the wheel axle 1 is protected, when a vehicle runs on a road section such as a mountain land or a mud pit, the wheel axle 1 can be subjected to axial impact force, the impact force is reduced to impact the wheel axle 1 under the buffering effect of the reducing spring 11, the wheel axle 1 is protected, the rigidity of the reducing spring 11 is changed, the rigidity change value of each section is different, and when external force is applied, the buffering force and the torque are changed, so that the buffering effect is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. A damping device for a wheel axle to reduce impact forces, comprising a wheel axle (1), characterized in that: one end of the wheel axle (1) is fixedly connected with a main connecting shaft (5), one end of the main connecting shaft (5) is fixedly connected with a second connecting plate (10), one side of the second connecting plate (10) is fixedly connected with an auxiliary connecting shaft (7), the wheel axle (1) is sleeved with a first connecting plate (4) and a pressing plate (3), a threaded sleeve (2) is screwed on the wheel axle (1), one end of the threaded sleeve (2) is fixedly connected on the pressing plate (3), one side of the pressure plate (3) is jointed with the first connecting plate (4), the main connecting shaft (5) is sleeved with a reducing spring (11), the auxiliary connecting shaft (7) is fixedly sleeved with a chain wheel (9), a reinforcing sleeve (6) and a bearing (8), one side of the reinforcing sleeve (6) is attached to the chain wheel (9).
2. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 1, wherein: the wheel axle is characterized in that a limiting groove (14) is formed in the side wall of the wheel axle (1), a ball groove is formed in the inner wall of the limiting groove (14), a limiting pin (12) is arranged in the limiting groove (14), a limiting ball (13) is fixedly connected to the side wall of the limiting pin (12), and the limiting ball (13) is located in the ball groove.
3. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 1, wherein: a plurality of limiting rods are fixedly connected to the side wall of one end of the wheel axle (1) in an annular mode, a plurality of axle grooves (15) are formed in the inner wall of the first connecting plate (4) in an annular mode, and the limiting rods are located in the axle grooves (15) respectively.
4. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 1, wherein: the middle of the reducing spring (11) is arranged in a variable mode, the two ends of the reducing spring are large, and the middle of the reducing spring is small.
5. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 1, wherein: mounting holes are formed in one sides of the first connecting plate (4) and the second connecting plate (10), and two ends of the reducing spring (11) penetrate through the mounting holes respectively.
6. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 1, wherein: the diameter of the main connecting shaft (5) is larger than that of the wheel axle (1), and the diameter of the main connecting shaft (5) is larger than that of the auxiliary connecting shaft (7).
7. A cushioning apparatus for a wheel axle to reduce impact forces according to claim 2, wherein: the side wall of the limiting pin (12) is in contact with one end of the threaded sleeve (2).
CN202120013105.6U 2021-01-05 2021-01-05 Buffer device for reducing impact force of wheel axle Expired - Fee Related CN214617669U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120013105.6U CN214617669U (en) 2021-01-05 2021-01-05 Buffer device for reducing impact force of wheel axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120013105.6U CN214617669U (en) 2021-01-05 2021-01-05 Buffer device for reducing impact force of wheel axle

Publications (1)

Publication Number Publication Date
CN214617669U true CN214617669U (en) 2021-11-05

Family

ID=78435261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120013105.6U Expired - Fee Related CN214617669U (en) 2021-01-05 2021-01-05 Buffer device for reducing impact force of wheel axle

Country Status (1)

Country Link
CN (1) CN214617669U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211105

CF01 Termination of patent right due to non-payment of annual fee