CN220204587U - Friction wheel, transmission mechanism, travelling mechanism and snowplow - Google Patents
Friction wheel, transmission mechanism, travelling mechanism and snowplow Download PDFInfo
- Publication number
- CN220204587U CN220204587U CN202321986833.0U CN202321986833U CN220204587U CN 220204587 U CN220204587 U CN 220204587U CN 202321986833 U CN202321986833 U CN 202321986833U CN 220204587 U CN220204587 U CN 220204587U
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- shaft
- wheel
- shaft sleeve
- friction wheel
- connecting portion
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 239000004519 grease Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of snowploughs, and provides a friction wheel, a transmission mechanism, a traveling mechanism and a snowplow, wherein the friction wheel comprises: the shaft sleeve is made of nylon materials, is sleeved on the output shaft in a sliding manner, and can do reciprocating linear motion along the axis of the output shaft; the wheel body is made of metal materials, is coaxially arranged with the shaft sleeve and is fixedly connected with the shaft sleeve; the rubber pad is fixedly sleeved on the periphery of the wheel body; and the operating arm is made of plastic, the first end of the operating arm is sleeved on the shaft sleeve and is rotationally connected with the shaft sleeve, and the operating arm can reciprocate along with the shaft sleeve. The friction wheel, the transmission mechanism, the running mechanism and the snowplow provided by the utility model have the advantages of simple structure, reasonable design and lower cost.
Description
Technical Field
The utility model relates to the technical field of snowploughs, in particular to a friction wheel, a transmission mechanism, a traveling mechanism and a snowplow.
Background
The friction wheel of the snowplow is used for being matched with the driven belt wheel so as to achieve the purpose of transmitting power to the travelling wheels. The device comprises a wheel body, a shaft sleeve integrally formed with the wheel body, and an operating arm with one end sleeved on the shaft sleeve and rotationally connected with the shaft sleeve.
However, the shaft sleeve, the wheel body and the operating arm of the friction wheel in the prior art are all made of metal, so that the manufacturing cost is high, grease is often coated between the output shaft and the shaft sleeve in the use process, the friction part is easy to rust due to mutual friction between the metal and the shaft sleeve, and the use cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a friction wheel, a transmission mechanism, a running mechanism and a snowplow so as to achieve the purposes of reducing the manufacturing cost and the use cost.
In order to achieve the above object, the present utility model provides a friction wheel comprising:
the shaft sleeve is made of nylon materials, is sleeved on the output shaft in a sliding manner, and can do reciprocating linear motion along the axis of the output shaft;
the wheel body is made of metal materials, is coaxially arranged with the shaft sleeve and is fixedly connected with the shaft sleeve;
the rubber pad is fixedly sleeved on the periphery of the wheel body; and
the first end of the operating arm is sleeved on the shaft sleeve and is rotationally connected with the shaft sleeve, and the operating arm can reciprocate along with the shaft sleeve.
Further, the shaft sleeve comprises a first connecting part, a positioning part and a second connecting part which are integrally formed and provided with through holes matched with the output shaft;
the first connecting portion is arranged on one side of the wheel body and is fixedly connected with the wheel body through bolts, the positioning portion is arranged on one side of the first connecting portion facing the wheel body, the wheel body is coaxially sleeved on the positioning portion, the second connecting portion is arranged on one side, far away from the wheel body, of the first connecting portion, and the operating arm is sleeved on the second connecting portion and is rotationally connected with the second connecting portion.
Further, the operation arm further comprises a bearing, wherein an inner ring of the bearing is fixedly sleeved on the second connecting portion, and an outer ring of the bearing is fixedly embedded in the first end of the operation arm.
Further, the bearing further comprises an elastic clamping ring, a groove is coaxially formed in the periphery of the second connecting portion, and the elastic clamping ring is clamped in the groove and abuts against the bearing.
Further, the positioning portion includes:
the shaft body is fixedly connected with the first connecting part; and
the locating strips are arranged on the periphery of the shaft body, a plurality of locating strips are arranged on the periphery of the shaft body, the locating strips are uniformly arranged around the axis of the shaft body, and the distance between the side wall of one side, away from the axis of the shaft body, of the locating strips and the axis of the shaft body is gradually increased from one end, away from the first connecting portion, of the locating portion to the other end.
Further, the first connecting portion is fixedly connected with the wheel body through a plurality of bolts.
Further, the first connecting portion is in an equilateral triangle shape, the number of the bolts is three, and the three bolts are respectively arranged at three corners of the first connecting portion.
In a second aspect, the present utility model provides a transmission mechanism, characterized in that: comprising the following steps:
the belt wheel is in transmission connection with the power output end of the engine through a transmission belt; and
a friction wheel as described in any one of the above;
wherein, the circumference wall of friction wheel is with the lateral wall conflict of band pulley.
In a third aspect, the present utility model provides a running gear comprising:
the connecting shaft is rotationally connected with the machine body;
the two casters are respectively sleeved on the connecting section of the connecting shaft and fixedly connected with the connecting shaft; and
a transmission mechanism as described in one of the above;
the output shaft is provided with a first gear, the connecting shaft is provided with a second gear, and the first gear is meshed with the second gear.
In a fourth aspect, the present utility model provides a snowplow comprising: a travelling mechanism as claimed in one of the preceding claims.
The utility model has the beneficial effects that:
the friction wheel, the transmission mechanism, the running mechanism and the snowplow provided by the utility model are simple in structure and reasonable in design, the shaft sleeve and the operation arm are respectively made of nylon materials and plastics, the material cost is reduced, the plastics and the nylon materials are easy to shape, the manufacturing cost is reduced, meanwhile, the nylon materials have good self-lubricating effect, lubricating grease does not need to be coated between the shaft sleeve and the output shaft, and the use cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a perspective view (direction one) of a friction wheel according to an embodiment of the present utility model;
FIG. 2 is a perspective view (direction two) of the friction wheel shown in FIG. 1;
FIG. 3 is a perspective view of a bushing of the friction wheel shown in FIG. 1;
FIG. 4 is a perspective view of a walking mechanism according to an embodiment of the present utility model;
fig. 5 is an enlarged view at a shown in fig. 4.
Reference numerals:
friction wheel 100, sleeve 110, first connecting portion 111, positioning portion 112, second connecting portion 113, groove 114, wheel body 120, rubber pad 130, operating arm 140, bearing 150, elastic collar 160, output shaft 200, first gear 210, pulley 300, caster 400, connecting shaft 500, and second gear 510.
Description of the embodiments
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-5, the utility model provides a friction wheel, a transmission mechanism with the friction wheel, a running mechanism with the transmission mechanism and a snowplow with the running mechanism.
Specifically, the friction wheel 100 includes a sleeve 110, a wheel body 120, a rubber pad 130, and an operating arm 140.
The shaft sleeve 110 is made of nylon material, the shaft sleeve 110 is slidably sleeved on the output shaft 200, and the shaft sleeve 110 can reciprocate linearly along the axis of the output shaft 200. When the novel self-lubricating shaft sleeve is used, the shaft sleeve 110 made of the nylon material has a good self-lubricating effect because the friction coefficient of the surface of the nylon material is very low, so that lubricating grease does not need to be coated between the shaft sleeve 110 and the output shaft 200 in the use process, and meanwhile, the strength of the nylon material is lower than that of the output shaft 200 made of the alloy, so that the output shaft 200 cannot be worn, and the output shaft 200 cannot be corroded easily. The wheel 120 is made of metal material, and the wheel 120 is coaxially arranged with the shaft sleeve 110 and fixedly connected with the shaft sleeve 110.
The rubber pad 130 is fixedly sleeved on the periphery of the wheel body 120, and the rubber pad 130 is used for protecting the wheel body 120 and increasing friction between the wheel body 120 and the belt wheel. Preferably, a plurality of grooves are formed in the wheel body (specifically, at the contact position of the wheel body and the rubber pad) along the axial direction and/or the radial direction of the wheel body, or a plurality of pits are formed in the wheel body (specifically, at the contact position of the wheel body and the rubber pad) through a sand blasting process, so that the purpose of increasing the friction force between the rubber pad and the wheel body is achieved, the rubber pad and the wheel body are connected more firmly and are not easy to slip, and the purposes of improving the reliability of transmission between the friction wheel and the belt wheel and prolonging the service life of the rubber pad are achieved. Preferably, the rubber pad is adhered to the wheel body through a vulcanization process, so that the purpose of further improving the friction force between the rubber pad and the wheel body is achieved, the rubber pad and the wheel body are more firmly connected and are not easy to slip, and the purposes of further improving the reliability of transmission between the friction wheel and the belt wheel and prolonging the service life of the rubber pad are achieved.
The operation arm 140 is made of plastic, a first end of the operation arm 140 is sleeved on the shaft sleeve 110 and is rotationally connected with the shaft sleeve 110, the operation arm 140 can reciprocate along with the shaft sleeve 110, and the operation arm 140 is used for changing the position of the wheel body 120 on the output shaft 200, so that the position of the contact point of the friction wheel 100 and the belt wheel is changed, and the purpose of changing the transmission ratio between the friction wheel 100 and the belt wheel is achieved. In addition, in the prior art, the two half shells are fixed by rivets when being assembled, so that the assembly efficiency is poor, and the assembly is easier due to the operation arm 140 formed by integrally injection molding plastic.
The friction wheel 100 with the structure has the advantages that the structure is simple, the design is reasonable, the shaft sleeve 110 and the operation arm 140 are respectively made of nylon materials and plastics, the material cost is reduced, the plastics and the nylon materials are easy to shape, the manufacturing cost is reduced, meanwhile, the nylon materials have good self-lubricating effect, lubricating grease does not need to be coated between the shaft sleeve 110 and the output shaft 200, and the use cost is reduced.
In one embodiment, the sleeve 110 includes a first connection portion 111, a positioning portion 112, and a second connection portion 113 integrally formed and having a through hole adapted to the output shaft 200.
The first connecting portion 111 is disposed on one side of the wheel 120 and is fixedly connected to the wheel 120 through a plurality of bolts. Specifically, the first connection portion 111 has an equilateral triangle shape, the number of bolts is three, and three bolts are respectively provided at three corners of the first connection portion 111.
The positioning portion 112 is disposed on a side of the first connecting portion 111 facing the wheel 120, and the wheel 120 is coaxially sleeved with the sleeve 110 on the positioning portion 112. Specifically, the positioning portion 112 includes a shaft body and a positioning bar. The shaft body is fixedly connected to the first connecting portion 111. The locating strips are arranged on the periphery of the shaft body, the number of the locating strips is multiple, the locating strips are uniformly arranged around the axis of the shaft body, and the distance from the side wall of one side, which is away from the axis of the shaft body, of the locating strips to the axis of the shaft body is gradually increased from one end, which is far away from the first connecting part 111, of the locating part 112 to the other end. When in use, the wheel body 120 is sleeved on the positioning part 112, and under the action of the plurality of positioning strips, the purpose of enabling the wheel body 120 to be coaxial with the shaft sleeve 110 automatically is achieved, and the purpose of being convenient to install is achieved. Meanwhile, since the distance between the side wall of the side of the locating strip, which is away from the axis of the shaft body, and the axis of the shaft body is gradually increased from one end of the locating part 112, which is far away from the first connecting part 111, to the other end, when the connecting wheel 120 is fixedly connected with the first connecting part 111, the wheel 120 is more tightly matched with the locating part 112, and the reliability of the connection between the wheel 120 and the shaft sleeve 110 is effectively improved.
The second connecting portion 113 is disposed on a side of the first connecting portion 111 away from the wheel body 120, and the operating arm 140 is sleeved on the second connecting portion 113 and is rotatably connected with the second connecting portion 113.
The shaft sleeve 110 with the structure has the advantages of simple structure, reasonable design and convenience for mounting the wheel body 120.
In one embodiment, the bearing 150 is further included, and an inner ring of the bearing 150 is fixedly sleeved on the second connecting portion 113, and the outer ring is fixedly embedded in the first end of the operating arm 140. The operation arm 140 with the structure has simple structure and convenient installation, and the operation arm 140 is rotationally connected with the shaft sleeve 110 through the bearing 150, so that the cooperation is reliable, and the abrasion between the operation arm and the shaft sleeve can not occur.
In one embodiment, the bearing further includes an elastic collar 160, and the outer periphery of the second connecting portion 113 is coaxially provided with a groove 114, and the elastic collar 160 is clamped in the groove 114 and abuts against the bearing 150. The elastic collar 160 is provided to prevent the operation arm 140 from being separated from the boss 110.
The transmission mechanism includes a pulley 300 and any one of the friction wheels 100.
The pulley 300 is in driving connection with the power output end of the engine through a driving belt. Wherein the circumferential wall of the friction wheel 100 abuts against the side wall of the pulley 300.
In use, pulley 300 rotates, thereby driving friction wheel 100 in rotation. In the use process, the position of the friction wheel 100 can be changed through the operation arm 140, so that the aim of changing the transmission ratio between the friction wheel 100 and the belt wheel 300 is fulfilled, and the aim of changing the rotating speed of the friction wheel 100 is fulfilled.
The transmission mechanism with the structure has the advantages of simple structure and reasonable design, and can achieve the purpose of stepless speed change.
The walking mechanism comprises the caster 400, the connecting shaft 500 and the transmission mechanism.
Wherein, the connecting shaft 500 is rotatably connected with the body of the snowplow. The casters 400 are provided in two, and the two casters 400 are respectively sleeved at two ends of the connecting shaft 500 and fixedly connected with the connecting shaft 500. The output shaft 200 is provided with a first gear 210, the connecting shaft 500 is provided with a second gear 510, and the first gear 210 is meshed with the second gear 510.
In use, the engine drives the pulley 300 to rotate, the pulley 300 drives the friction wheel 100 to rotate, the friction wheel 100 drives the first gear 210 to rotate through the output shaft 200, the first gear 210 drives the connecting shaft 500 to rotate through the second gear 510, and the connecting shaft 500 drives the caster 400 to rotate.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. A friction wheel, characterized in that: comprising the following steps:
the shaft sleeve is made of nylon materials, is sleeved on the output shaft in a sliding manner, and can do reciprocating linear motion along the axis of the output shaft;
the wheel body is made of metal materials, is coaxially arranged with the shaft sleeve and is fixedly connected with the shaft sleeve;
the rubber pad is fixedly sleeved on the periphery of the wheel body; and
the first end of the operating arm is sleeved on the shaft sleeve and is rotationally connected with the shaft sleeve, and the operating arm can reciprocate along with the shaft sleeve.
2. A friction wheel as defined in claim 1, wherein: the shaft sleeve comprises a first connecting part, a positioning part and a second connecting part which are integrally formed and provided with through holes matched with the output shaft;
the first connecting portion is arranged on one side of the wheel body and is fixedly connected with the wheel body through bolts, the positioning portion is arranged on one side of the first connecting portion facing the wheel body, the wheel body is coaxially sleeved on the positioning portion, the second connecting portion is arranged on one side, far away from the wheel body, of the first connecting portion, and the operating arm is sleeved on the second connecting portion and is rotationally connected with the second connecting portion.
3. A friction wheel as claimed in claim 2, wherein: the operation arm further comprises a bearing, wherein the inner ring of the bearing is fixedly sleeved on the second connecting part, and the outer ring is fixedly embedded in the first end of the operation arm.
4. A friction wheel as claimed in claim 3 wherein: the bearing further comprises an elastic clamping ring, a groove is coaxially formed in the periphery of the second connecting portion, and the elastic clamping ring is clamped in the groove and is abutted against the bearing.
5. A friction wheel according to any one of claims 2-4, characterized in that: the positioning portion includes:
the shaft body is fixedly connected with the first connecting part; and
the locating strips are arranged on the periphery of the shaft body, a plurality of locating strips are arranged on the periphery of the shaft body, the locating strips are uniformly arranged around the axis of the shaft body, and the distance between the side wall of one side, away from the axis of the shaft body, of the locating strips and the axis of the shaft body is gradually increased from one end, away from the first connecting portion, of the locating portion to the other end.
6. A friction wheel as defined in claim 5 wherein: the first connecting part is fixedly connected with the wheel body through a plurality of bolts.
7. A friction wheel as defined in claim 6 wherein: the first connecting portion is equilateral triangle, the quantity of bolt is three, and three the bolt sets up respectively the three corner of first connecting portion.
8. A transmission mechanism, characterized in that: comprising the following steps:
the belt wheel is in transmission connection with the power output end of the engine through a transmission belt; and
a friction wheel as claimed in any one of claims 1 to 7;
wherein, the circumference wall of friction wheel is with the lateral wall conflict of band pulley.
9. A running gear, characterized in that: comprising the following steps:
the connecting shaft is rotationally connected with the machine body;
the two casters are respectively sleeved on the connecting section of the connecting shaft and fixedly connected with the connecting shaft; and
the transmission mechanism of claim 8;
the output shaft is provided with a first gear, the connecting shaft is provided with a second gear, and the first gear is meshed with the second gear.
10. A snowplow, characterized in that: comprising the following steps: the running gear of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321986833.0U CN220204587U (en) | 2023-07-27 | 2023-07-27 | Friction wheel, transmission mechanism, travelling mechanism and snowplow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321986833.0U CN220204587U (en) | 2023-07-27 | 2023-07-27 | Friction wheel, transmission mechanism, travelling mechanism and snowplow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204587U true CN220204587U (en) | 2023-12-19 |
Family
ID=89152197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321986833.0U Active CN220204587U (en) | 2023-07-27 | 2023-07-27 | Friction wheel, transmission mechanism, travelling mechanism and snowplow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204587U (en) |
-
2023
- 2023-07-27 CN CN202321986833.0U patent/CN220204587U/en active Active
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