CN211710541U - Novel composite damping wheel structure - Google Patents
Novel composite damping wheel structure Download PDFInfo
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- CN211710541U CN211710541U CN202020045461.1U CN202020045461U CN211710541U CN 211710541 U CN211710541 U CN 211710541U CN 202020045461 U CN202020045461 U CN 202020045461U CN 211710541 U CN211710541 U CN 211710541U
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 title abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 7
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000005381 potential energy Methods 0.000 abstract 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000009191 jumping Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model discloses a novel composite damping wheel structure, which comprises a rack-type wheel hub, a rack-type wheel rim, an elastic plate composite structure, a bearing spring, a rubber tire and other parts; bolt holes are formed in the corresponding positions of the rack type wheel hub and the rack type wheel rim, and the bolt holes are respectively connected with the two ends of the elastic plate assembly through bolts to form a wheel whole body; the wheel is in a natural state, the relative positions of the wheel hub and the wheel rim are fixed by uniformly distributing the elastic plate combined structure in the circumferential direction and the elastic stretching and tensioning of the bearing spring, and when the wheel is stressed, the transverse force and the radial force are offset by the bending deformation of the elastic plate and the further stretching deformation of the bearing spring through the rubber tire, so that the comfort is ensured; the elastic plate combined structure and the bearing spring convert the force originally acting on the wheel into elastic plate bending potential energy and spring stretching potential energy along the axial direction of the wheel, thereby avoiding the up-and-down jumping of the wheel, having the characteristic of multiple buffering vibration damping structure and having superior vertical and lateral stress performance.
Description
Technical Field
The utility model belongs to the technical field of safe wheel, concretely relates to novel compound shock attenuation wheel structure especially relates to one kind and plays to absorb the road surface by elastic plate integrated configuration and carrier spring and strike stably, reduces the compound shock attenuation wheel structure of wheel to vertical vibrations sensitivity and improvement side direction atress resistance.
Background
At present, a damping and shock-absorbing component of a traditional wheel is mainly a rubber tire, impact excitation from a road surface is converted and absorbed through elastic deformation and hysteresis phenomena of the tire, the unabsorbed excitation is directly transmitted to a wheel hub of a vehicle through a spoke plate or spoke type rigid structure of the traditional wheel and is further transmitted to a driver passenger through an axle, the sensitivity of the vehicle to the uneven road surface is high, the comfort is reduced, the transverse stress of the wheel is counteracted mainly through the transverse deformation of the rubber tire, the operation stability of the vehicle is greatly influenced, and the service life of the wheel is shortened.
Disclosure of Invention
Utility model purpose: in order to overcome exist not enough among the prior art, the utility model provides a novel compound shock attenuation wheel structure utilizes elastic plate integrated configuration and carrier spring along the rotatory axial deformation of wheel, and the road surface excitation is absorbed in the conversion, reduces the sensitivity of wheel to vertical atress, utilizes the horizontal atress characteristic of "0" type structure reinforcing wheel of elastic plate combination simultaneously.
The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:
a novel composite damping wheel structure comprises a rack type wheel hub, a rack type wheel rim, an elastic plate combined structure, a bearing spring, a rubber tire and the like;
the rubber tire is located the rack type rim outside, connect fixedly through circumference evenly distributed's elastic plate integrated configuration between rack type wheel hub and rack type rim.
Furthermore, the elastic plate composite structure comprises two completely consistent elastic plates, the elastic plates are in an arc shape, bolt holes for connecting the rack-type wheel rims and the rack-type wheel hubs are formed in two ends of the elastic plates, pin lugs are arranged in the middle of the elastic plates and used for connecting the bearing springs, and the elastic plates are connected end to form a 0-shaped structure.
Further, rack type wheel hub is made for magnesium aluminum alloy material, has high bearing and light weight characteristic, rack type wheel hub is equipped with circumference evenly distributed's 12 pairs of bolt hole pairs in rack type wheel hub outer fringe except opening the bolt hole that is used for being connected with the vehicle, and the bolt hole axis is located rack type wheel hub plane of symmetry, and with the bolt hole on the rack type rim corresponds each other for connecting the springboard integrated configuration.
Further, the bearing spring is characterized in that: the bearing spring is a spiral spring or a ring spring, hooks for connection are arranged at two ends of the bearing spring, and the bearing spring is hooked on a pin lug in the middle of the elastic plate combined structure through the hooks at the two ends and is in a stretching and hanging state.
Furthermore, the bearing spring is made of high-strength spring steel through quenching and tempering, shaping and heat treatment, the inner diameter of the spiral spring is 1-3cm larger than the length of a pin lug in the elastic plate combined structure but not larger than the maximum width of the elastic plate, the free length of the spiral spring is 3-6cm smaller than the distance of the pin lug in the elastic plate combined structure, the spiral spring is stretched and suspended on the pin lug in the middle of the elastic plate combined structure, and the pretightening force of the bearing spring is kept at 0.5-1kN during installation.
Furthermore, the elastic plate is of an equal-thickness bending structure, the thickness of the elastic plate is 1-2cm, the elastic plate is made of high-strength spring steel according to the matching of vehicle mass and bearing condition, bolt holes for connecting a hub and a rim are formed in two ends of the elastic plate, the linear distance of the bolt holes of the elastic plate is smaller than the axial distance of the bolt holes in the corresponding positions of the rack-type hub and the rim by 0.5-1cm, the pre-tightening tension of the elastic plate is 1-2kN in a natural state, and when the elastic plate is assembled on a vehicle, the bending deformation of the elastic plate is 0.2-1.5 degrees.
Furthermore, the elastic plate composite structure is formed by connecting two identical elastic plates through head and tail bolt holes, the middle waist position of each elastic plate is provided with a corresponding same pin lug structure, the axial distance of each pin lug is 15-20cm in a free state, the elastic plates do not interfere when being bent and deformed relatively, and a safety gap of at least 2cm is reserved between the adjacent elastic plate composite structures in the circumferential direction of the wheel.
Further, the utility model also discloses an foretell novel compound shock attenuation wheel structure's operating method: under the natural state of the wheel, the combined structure of the elastic plates is tensioned through the contraction of the bearing spring and the elasticity of the elastic plates, so that the relative positions of the rack-type wheel hub and the rack-type wheel rim are fixed; when the wheel is assembled on a vehicle and bears a static vertical load, the two elastic plates in the elastic plate combined structure positioned at the lower part of the wheel are stressed and respectively bent and deformed towards two sides, and because the two elastic plates in the elastic plate combined structure are gradually far away, the bearing spring is further tensioned, and the deformation degree of the elastic plates is reduced; the two elastic plates in the elastic plate combined structure positioned at the upper part of the wheel are pulled and respectively bent and deformed towards the inside, the tensioning degree of the bearing spring is reduced, and the bearing function is realized through the bending deformation of the elastic plates and the stretching deformation of the bearing spring; when the wheel is excited by the road surface in the moving process, the stress direction is random, but the energy carried by the external excitation is converted, stored and consumed through the further bending deformation of the elastic plate combined structure and the stretching deformation of the bearing spring, so that the impact which can seriously affect the driving comfort of the vehicle originally is changed into the deformation of the elastic plate and the bearing spring along the rotation axis direction of the wheel, the sensitivity of the wheel to the unevenness of the road surface is greatly reduced, the comfort of the vehicle is improved, and meanwhile, the elastic plate combined structure is in a '0' shape, has stability, has extremely strong resistance to the transverse stress of the vehicle, and has excellent operation stability.
Has the advantages that: the utility model provides a pair of novel compound shock attenuation wheel structure compares with prior art, has following advantage: the utility model discloses an elastic plate integrated configuration and carrier spring have replaced traditional wheel original radials spoke formula rigid connection, come from the road surface, the road surface excitation that is not absorbed by rubber tire is unified to be converted into elastic deformation of elastic plate and carrier spring along the wheel axis direction to the conversion absorbs, makes the wheel insensitive to vertical excitation, has improved the riding comfort of vehicle; meanwhile, the 0-shaped structure of the elastic plate combined structure increases the stability of the wheel, so that the wheel has resistance to transverse load, the transverse deformation of the rubber tire is reduced, the service life of the tire is prolonged, and the operating stability of the vehicle is improved.
Drawings
FIG. 1 is a structural view of a novel composite shock absorbing wheel;
FIG. 2 is a structural view of a rack wheel rim;
FIG. 3 is a structural view of a rack hub;
FIG. 4 is a view showing the structure of the elastic plate assembly;
fig. 5 is a view showing the structure of the elastic plate.
Note: the method comprises the following steps of 1-a rubber tire, 2-a rack type hub, 3-a rack type rim, 4-an elastic plate combined structure, 5-a bearing spring, 6-a rack type rim bolt hole pair, 7-a rack type hub bolt hole pair, 8-an elastic plate, 9-a bearing spring, 10-a pin lug and 11-an elastic plate top bolt hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings. The utility model discloses a novel composite damping wheel structure, which mainly comprises a rack type wheel hub, a rack type wheel rim, an elastic plate composite structure, a bearing spring, a rubber tire and other parts; original spoke plate spoke type rigid connection of a traditional wheel is replaced by the elastic plate combined structure and the bearing spring, and road surface excitation which is from a road surface and is not absorbed by the rubber tire is uniformly converted into elastic deformation of the elastic plate and the bearing spring along the axis direction of the wheel, so that the elastic plate and the bearing spring are converted and absorbed, the wheel is not sensitive to vertical excitation, and the riding comfort of a vehicle is improved; meanwhile, the 0-shaped structure of the elastic plate combined structure increases the stability of the wheel, so that the wheel has resistance to transverse load, the transverse deformation of the rubber tire is reduced, the service life of the tire is prolonged, and the operating stability of the vehicle is improved.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described below.
Examples
As shown in fig. 1, the utility model discloses a including parts such as rack type wheel hub 2, rack type rim 3, elastic plate integrated configuration 4, carrier spring 5 and rubber tire 1 constitute have and reduce the vertical atress sensitivity of wheel, promote the riding comfort, strengthen the novel compound shock attenuation wheel structure of horizontal atress resistance. The elastic plate combined structure and the bearing spring replace the original spoke plate spoke type rigid connection of the traditional wheel, and the road surface excitation which is from the road surface and is not absorbed by the rubber tire is uniformly converted into the elastic deformation of the elastic plate and the bearing spring along the axis direction of the wheel, so that the elastic plate and the bearing spring are converted and absorbed, the wheel is not sensitive to the vertical excitation, and the riding comfort of the vehicle is improved; meanwhile, the 0-shaped structure of the elastic plate combined structure increases the stability of the wheel, so that the wheel has resistance to transverse load, the transverse deformation of the rubber tire is reduced, the service life of the tire is prolonged, and the operating stability of the vehicle is improved.
As shown in fig. 1, 2 and 3, each of the rack-type hub and the rack-type rim is provided with 12 pairs of bolt holes which are uniformly distributed in the circumferential direction, the axes of the bolt holes are positioned in the symmetrical plane of the rack-type hub and correspond to the bolt holes on the rack-type rim, so as to connect the elastic plate combination structure; as shown in fig. 4, the elastic plate combination structure is formed by connecting two identical elastic plates through head and tail bolt holes, the bolt holes are identical in size and length, the middle waist position of each elastic plate is provided with a corresponding identical pin lug structure, the axial distance a of each pin lug is 15-20cm in a free state, the elastic plates do not interfere when being bent and deformed relatively, and a safety gap of at least 2cm is reserved between adjacent elastic plate combination structures in the circumferential direction of the wheel.
As shown in fig. 2, the rack-type rim is made of magnesium-aluminum alloy material, has high bearing capacity and light weight, the inner wall and the outer brim of the rim are smooth, the outer part of the rim is provided with a retaining ring structure, and the rubber tire and the rack-type rim are fixed by sealing contact with the rubber tire; the rim inner ring is provided with 12 pairs of bolt holes which are uniformly distributed in the circumferential direction, and the bolt holes on the rack type rim correspond to each other and are used for connecting the elastic plate combined structure.
As shown in fig. 3, the rack-type hub is made of magnesium-aluminum alloy material, has high load-bearing and light weight characteristics, and is provided with 12 pairs of bolt holes which are circumferentially and uniformly distributed on the outer edge of the hub, besides bolt holes for connecting with a vehicle are formed in the hub, and bolt hole axes are located in a symmetric plane of the rack-type hub and correspond to the bolt hole pairs on the rack-type rim, so as to connect the elastic plate combined structure.
As shown in fig. 4 and 5, the elastic plate combination structure is composed of two completely identical elastic plates, the elastic plates are arc-shaped, bolt holes for connecting the rack-shaped rim and the rack-shaped hub are arranged at two ends of the elastic plates, a pin lug is arranged in the middle of the elastic plates for connecting the bearing spring, and the elastic plates are connected end to form a "0" type structure; the bearing spring is a spiral spring or an annular spring, and hooks for connection are arranged at two ends of the bearing spring, wherein the bearing spring is hooked on a pin lug in the middle of the elastic plate combined structure through hooks at the two ends and is in a stretching suspension state; the inner diameter of the spiral spring is 1-3cm larger than the diameter (d) of the pin lug in the elastic plate combined structure shown in fig. 5, but not larger than the maximum width of the elastic plate, the free length is smaller than the distance (a) between two pin lugs in the elastic plate combined structure by 3-6cm, (and the axial distance of the pin lug is 15-20cm in a free state), the spiral spring is stretched and suspended on the pin lug in the middle of the elastic plate combined structure, and the pretightening force of the bearing spring is kept at 0.5-1kN during installation.
As shown in fig. 5, the elastic plate is of a bending structure with equal thickness, the thickness (w) is 1-2cm, the material is high-strength spring steel according to the matching of the vehicle mass and the bearing condition, bolt holes for connecting a hub and a rim are arranged at two ends of the elastic plate, the linear distance (L) of the bolt holes of the elastic plate is smaller than 0.5-1cm of the axial distance (L) of the bolt holes at the corresponding positions of the rack-type hub and the rim shown in fig. 1, the pre-tightening tension of the elastic plate is 1-2kN in a natural state, and when the elastic plate is assembled on a vehicle, the bending deformation of the elastic plate is 0.2-1.5 degrees.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel compound shock attenuation wheel structure which characterized in that: the rubber tire is wrapped on the outer side of the rack type wheel rim; the elastic plate combined structure is a 0-shaped structure formed by connecting two arc-shaped elastic plates end to end, bolt holes are formed in two ends of each elastic plate, and a pin lug is arranged on the inner side of the middle of each elastic plate and used for connecting a bearing spring; the outer periphery of the rack-type hub and the inner periphery of the rack-type rim are respectively provided with a circle of bolt hole pairs in a one-to-one correspondence manner along the circumferential direction, bolt holes at two ends of the elastic plate are correspondingly embedded into the bolt hole pairs, bolts penetrate through the bolt hole pairs and the bolt holes in the bolt hole pairs for fixing, and the rack-type hub and the rack-type rim are connected and fixed at two ends of an elastic plate combined structure which is uniformly distributed along the circumferential direction to form a wheel whole; the wheel natural state guarantees that the relative position of the hub and the rim is fixed through the elastic stretching and tensioning of the elastic plate composite structure and the bearing spring which are uniformly distributed in the circumferential direction, and when the wheel is stressed, the transverse force and the radial force which are stressed are offset through the bending deformation of the elastic plate and the stretching deformation of the bearing spring of the rubber tire.
2. The novel composite shock absorbing wheel structure of claim 1, wherein: the rack type wheel hub and the rack type wheel rim are made of magnesium-aluminum alloy materials, 12 groups of bolt holes are circumferentially and uniformly distributed and are aligned, and the axes of the bolt holes are located in the symmetrical plane of the wheel.
3. The novel composite shock absorbing wheel structure of claim 1, wherein: the outer eaves of rack type rim inner wall is smooth and the outside has retaining ring structure, through with rubber tire sealing contact realizes rubber tire and rack type rim's fixing.
4. The novel composite shock absorbing wheel structure of claim 1, wherein: the bearing spring is a spiral spring or an annular spring, hooks for connection are arranged at two ends of the bearing spring, the bearing spring is hooked on a pin lug in the middle of the elastic plate combined structure through the hooks at the two ends, and the wheel is in a stretching suspension state in a natural state.
5. The novel composite shock absorbing wheel structure of claim 1, wherein: the bearing spring is a spiral spring made of spring steel, the inner diameter of the spiral spring is 1-3cm larger than the length of the pin lug but not larger than the maximum width of the elastic plate, the free length of the spiral spring is 3-6cm smaller than the distance of the pin lug in the elastic plate combined structure, the spiral spring is stretched and hung on the pin lug, and the pretightening force of the bearing spring is kept at 0.5-1kN during installation.
6. The novel composite shock absorbing wheel structure of claim 1, wherein: the elastic plate is of an equal-thickness bending structure, the thickness of the elastic plate is 1-2cm, the elastic plate is made of spring steel, the thickness of the linear distance of the bolt holes in the top of the elastic plate combined structure is smaller than the axial distance of the bolt holes in the corresponding positions of the rack type hub and the rack type rim to the axis, the pre-tightening tension of the elastic plate is 1-2kN in a natural state, and when the elastic plate is assembled on a vehicle, the bending deformation of the elastic plate is 0.2-1.5 degrees.
7. The novel composite shock absorbing wheel structure of claim 1, wherein: the elastic plate combined structure is formed by connecting two identical elastic plates through head and tail bolt holes, the middle waist position of each elastic plate is provided with a corresponding same pin lug structure, the axial distance of each pin lug is 15-20cm in a free state, the elastic plates do not interfere when being bent and deformed relatively, and a safety gap of at least 2cm is reserved between the adjacent elastic plate combined structures in the circumferential direction of the wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045461.1U CN211710541U (en) | 2020-01-10 | 2020-01-10 | Novel composite damping wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045461.1U CN211710541U (en) | 2020-01-10 | 2020-01-10 | Novel composite damping wheel structure |
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| Publication Number | Publication Date |
|---|---|
| CN211710541U true CN211710541U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045461.1U Active CN211710541U (en) | 2020-01-10 | 2020-01-10 | Novel composite damping wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211710541U (en) |
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2020
- 2020-01-10 CN CN202020045461.1U patent/CN211710541U/en active Active
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