CN215927569U - Belt wheel structure and engine with same - Google Patents
Belt wheel structure and engine with same Download PDFInfo
- Publication number
- CN215927569U CN215927569U CN202121016844.7U CN202121016844U CN215927569U CN 215927569 U CN215927569 U CN 215927569U CN 202121016844 U CN202121016844 U CN 202121016844U CN 215927569 U CN215927569 U CN 215927569U
- Authority
- CN
- China
- Prior art keywords
- belt wheel
- pulley
- bearing
- adjusting
- fixed shaft
- 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.)
- Active
Links
Images
Landscapes
- Pulleys (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model belongs to the technical field of engines, and particularly relates to a belt wheel structure and an engine with the belt wheel structure. The belt wheel structure comprises a belt wheel, a fixed shaft, a support assembly, a first adjusting element and a second adjusting assembly, wherein the belt wheel is internally provided with a hollow structure, the support assembly is positioned in the hollow structure and is arranged between the fixed shaft and the belt wheel, the first adjusting element is sleeved on the outer side of the middle part of the fixed shaft and is arranged between one end of the belt wheel and the end part of the fixed shaft, the second adjusting assembly is sleeved on the fixed part of the fixed shaft and can rotate relative to the fixed shaft, and the second adjusting assembly is connected with the belt wheel and can be matched with the first adjusting element to adjust the axial load of the belt wheel. Through using the band pulley structure among this technical scheme, adopt first adjusting element to carry out application or reduction of moment to the band pulley, can cooperate the second adjusting part to carry out the regulation to band pulley axial load, promoted the reliability.
Description
Technical Field
The utility model belongs to the technical field of engines, and particularly relates to a belt wheel structure and an engine with the belt wheel structure.
Background
The front end wheel train is an important subsystem of the engine, and is concerned with power transmission, normal operation of driving accessories and NVH performance of the locomotive. With the increase of the driving accessories and the increase of the required transmission power, a higher layer of requirements is put on the wheel train. The influence of the alignment degree of the gear train on the whole gear train driving system cannot be ignored, and overlarge alignment degree error can not only increase transverse vibration and belt shaking of the belt, but also aggravate belt abrasion and seriously reduce the service life of the belt. But the error of the gear train alignment degree is often ignored by designers, and the control means of the gear train alignment degree is only left in the design and installation stage.
Currently, the control means for the alignment degree of the front wheel train includes: firstly, in the design stage, errors are reduced by optimizing the layout of a gear train and optimizing a belt winding mode (a mode of entering a flat wheel from a grooved wheel is adopted for the most part); secondly, alignment error measuring equipment is used to ensure reasonable alignment error in the installation stage.
However, after the engine runs, due to various factors such as the connection mode of various parts of the engine, torsional vibration and rolling vibration of a crankshaft, inertia input of other rotating parts, inevitable transverse vibration and shaking of a belt and the like, the alignment error of a gear train is large after the engine runs for a period of time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least solve the problem of larger alignment error of the existing engine gear train structure. The purpose is realized by the following technical scheme:
a first aspect of the present invention provides a pulley structure, including:
the belt wheel is internally provided with a hollow structure;
the fixed shaft penetrates through the hollow structure;
a support assembly located within the hollow structure and disposed between the stationary shaft and the pulley;
the first adjusting element is sleeved on the outer side of the middle part of the fixed shaft and arranged between one end of the belt wheel and the end part of the fixed shaft;
the second adjusting component is sleeved on the fixing portion of the fixing shaft and can rotate relative to the fixing shaft, and the second adjusting component is connected with the belt wheel and can be matched with the first adjusting element to adjust the axial load of the belt wheel.
Through using the belt wheel structure in the technical scheme, when the alignment degree of the belt wheel structure needs to be adjusted after the engine is stopped, the first adjusting element is adopted to apply or reduce the moment to the belt wheel, the second adjusting assembly can be matched to adjust the axial load of the belt wheel, so that the belt wheel moves in the axial direction, the alignment degree error is always kept in a reasonable range when the engine is started next time, the reliability is improved, meanwhile, the supporting assembly is further adopted to support the fixed shaft in the application file, and the stability of the belt wheel structure can be improved to a certain extent.
In addition, the pulley structure according to the present invention may have the following additional technical features:
in some embodiments of the present invention, the pulley includes a body portion, a first protruding portion, a second protruding portion, and an abutting portion, the first protruding portion and the second protruding portion are respectively disposed on two sides of the body portion, the abutting portion is disposed inside the body portion and near a port of the pulley, and the abutting portion is connected to the second adjusting assembly.
In some embodiments of the utility model, a side of the first protruding part and/or the second protruding part facing the body part is provided with a limit sensor, and the limit sensor is electrically connected with a control center.
In some embodiments of the present invention, the second adjusting assembly includes a first bearing and an actuating element, the actuating element is sleeved outside the first bearing and connected to the abutting portion, the actuating element is electrically connected to the control center, and the first bearing is sleeved on the fixing portion of the fixing shaft.
In some embodiments of the utility model, the actuator is an actuation sensor.
In some embodiments of the present invention, a first dust cover is further disposed between the first adjusting element and the pulley, one end of the first adjusting element abuts against the end of the fixed shaft, and the other end of the first adjusting element is connected to the one end of the pulley through the first dust cover.
In some embodiments of the present invention, the support assembly includes a second bearing, a third bearing, and a bushing located between the second bearing and the third bearing, the second bearing, the third bearing, and the bushing all being sleeved outside the middle portion of the stationary shaft.
In some embodiments of the present invention, the pulley structure further includes a second dust cover, the second dust cover is sleeved on the fixing portion of the fixing shaft and connected to the other end of the pulley, and an inner surface of the second dust cover abuts against the second adjusting component.
In some embodiments of the utility model, the first adjustment element is a disc spring.
The utility model also provides an engine, and the belt wheel structure comprises the belt wheel structure in the embodiment.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows an overall structural view of a pulley structure according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of the pulley structure in fig. 1.
100: a pulley structure;
10: pulley, 11: body portion, 12: first boss, 121: spacing sensor, 13: second boss, 14: abutting portion, 15: a hollow structure;
21: end portion, 22: middle part, 23: a fixed part;
31: second bearing, 32: third bearing, 33: a shaft sleeve;
40: a first adjustment element;
51: first bearing, 52: an actuator;
61: first dust cover, 62: and a second dust cover.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Fig. 1 schematically shows an overall structural view of a pulley structure according to an embodiment of the present invention. Fig. 2 is a schematic cross-sectional view of the pulley structure in fig. 1. As shown in figures 1 and 2, the utility model provides a belt wheel structure and an engine with the belt wheel structure. The belt wheel structure comprises a belt wheel 10, a fixing shaft, a supporting assembly, a first adjusting element 40 and a second adjusting assembly, wherein the belt wheel 10 is internally provided with a hollow structure 15, the fixing shaft penetrates through the hollow structure 15, the supporting assembly is positioned in the hollow structure 15 and is arranged between the fixing shaft and the belt wheel 10, the first adjusting element 40 is sleeved on the outer side of the middle part 22 of the fixing shaft and is arranged between one end of the belt wheel 10 and the end part 21 of the fixing shaft, the second adjusting assembly is sleeved on the fixing part 23 of the fixing shaft and can rotate relative to the fixing shaft, and the second adjusting assembly is connected with the belt wheel 10 and can be matched with the first adjusting element 40 to adjust the axial load of the belt wheel 10.
By using the belt wheel structure 100 in the technical scheme, when the alignment degree of the belt wheel structure 100 needs to be adjusted after the engine is stopped, the first adjusting element 40 is adopted to apply or reduce the moment to the belt wheel 10, and the second adjusting assembly can be matched to adjust the axial load of the belt wheel 10, so that the belt wheel 10 moves in the axial direction, the alignment degree error is always kept in a reasonable range when the engine is started next time, the reliability is improved, meanwhile, the supporting assembly is also adopted to support the fixed shaft in the application document, and the stability of the belt wheel structure 100 can be improved to a certain extent.
In some embodiments of the present invention, as shown in fig. 2, the pulley 10 includes a main body 11, a first protruding portion 12, a second protruding portion 13 and an abutting portion 14, and the first protruding portion 12 and the second protruding portion 13 are respectively disposed on two sides of the main body 11, so that the belt can be always kept on the main body 11 of the pulley 10 during operation of the pulley 10, and the belt does not slip out of the main body 11. The abutting portion 14 is arranged inside the body portion 11 and close to a port of the belt wheel 10, the abutting portion 14 is connected with the second adjusting component, when the alignment degree of the belt wheel structure 100 needs to be adjusted after the engine is stopped, the abutting portion 14 is connected with the second adjusting component, and the second adjusting component can transmit torque to the abutting portion 14, so that the whole belt wheel 10 is driven to perform axial displacement, and finally the alignment degree of the belt wheel 10 is adjusted.
In some embodiments of the present invention, as shown in fig. 1, the side of the first protruding portion 12 and/or the second protruding portion 13 facing the body portion 11 is provided with a limit sensor 121, so that the limit sensor 121 can be prevented from being damaged after the belt impacts the side of the pulley 10. Spacing sensor 121 is connected with the control center electricity, and spacing sensor 121 can real time monitoring band pulley 10 on the belt and the displacement and the distance between two bellying of band pulley 10, transmits simultaneously and carries out calculation and adjustment of whole wheel train structure alignment degree for the control center, finally carries out the adjustment to the relative position between band pulley 10 and the belt of present band pulley structure 100 through second adjusting part, has promoted the alignment degree of whole wheel train.
In some embodiments of the present invention, as shown in fig. 2, the second adjusting assembly includes a first bearing 51 and an actuating element 52, the actuating element 52 is sleeved outside the first bearing 51 and connected to the abutting portion 14, the actuating element 52 is electrically connected to the control center, and the first bearing 51 is sleeved on the fixing portion 23 of the fixing shaft. Interference connections are formed between the actuating element 52 and the first bearing 51 and between the first bearing 51 and the fixed shaft, so that the stability between the second adjusting assembly and the fixed shaft can be improved.
Specifically, in the present embodiment, the second adjusting assembly may be connected to the abutting portion 14 of the pulley, or may be configured to abut against the abutting portion 14 of the pulley 10, so that when the alignment of the pulley structure 100 needs to be adjusted after the engine is turned off, the second adjusting assembly can transmit torque to the abutting portion 14 abutting against the second adjusting assembly, thereby adjusting the relative position of the integral pulley 10 and the belt.
In some embodiments of the present invention, the actuator 52 is an actuation sensor. The execution sensor is electrically connected with the control center, can carry out moment action to the abutting part 14 of the belt wheel 10 according to the instruction of the control center, and the relative position between the belt and the belt wheel 10 can be accurately adjusted by matching the position information of the limit sensor 121, so that the alignment degree of the whole wheel train structure is improved.
In some embodiments of the present invention, as shown in fig. 2, a first dust cover 61 is further disposed between the first adjusting element 40 and the pulley 10, one end of the first adjusting element 40 abuts against the end 21 of the fixed shaft, and the other end of the first adjusting element 40 is connected to one end of the pulley 10 through the first dust cover 61. The first dust cover 61 can prevent impurities such as dust from entering the hollow structure 15 of the belt wheel 10, protect the sealing performance of the supporting component located in the hollow structure 15, and prolong the service life of the supporting component to a certain extent.
In some embodiments of the present invention, as shown in fig. 2, the support assembly includes a second bearing 31, a third bearing 32, and a bushing 33, the bushing 33 is located between the second bearing 31 and the third bearing 32, and the second bearing 31, the third bearing 32, and the bushing 33 are all sleeved outside the middle portion 22 of the stationary shaft. The two bearings are arranged between the belt wheel 10 and the fixed shaft to achieve the purpose of supporting, and meanwhile, the friction coefficient of the belt wheel 10 and the fixed shaft in the movement process can be reduced, so that the rotation precision of the belt wheel 10 is guaranteed. The shaft sleeve 33 is arranged between the two bearings, so that the second bearing 31 and the third bearing 32 can be positioned, the axial movement of the two bearings is limited, and the stability of the running state is ensured.
In some embodiments of the present invention, as shown in fig. 2, the pulley structure 100 further includes a second dust cover 62, the second dust cover 62 is sleeved on the fixing portion 23 of the fixing shaft and connected to the other end of the pulley 10, and an inner surface of the second dust cover 62 abuts against the second adjusting component. Second shield 62 can prevent that dust or impurity from entering into the hollow structure 15 of band pulley 10 in, guaranteed to a certain extent to be located hollow structure 15's supporting component's cleanliness factor for supporting component's life obtains certain promotion. Meanwhile, the inner surface of the second dust cover 62 abuts against the second adjusting component, so that the second adjusting component has certain reverse supporting force when performing torque adjustment, and can stably provide torque for the belt wheel 10, thereby adjusting the relative position between the belt and the belt wheel 10, and improving the stability.
In some embodiments of the present invention, first adjustment element 40 is a disc spring. The disc spring has the characteristics of large load capacity and vibration absorption and buffering in a narrow space, can absorb high-frequency energy of rotation speed fluctuation, achieves the effects of reducing rotation speed fluctuation and improving NVH performance, and is favorable for stable transmission of front-end wheel train power.
Specifically, the operation flow in this embodiment is: after the engine is off, the dynamic force of the belt wheel 10 and the belt in the axial direction can be correspondingly reduced, when the alignment degree of the belt wheel structure 100 needs to be adjusted, the limit sensor 121 can transmit the relative position between the belt wheel 10 and the belt to the control center, the control center calculates according to the alignment degree of other belt wheels 10 and the whole wheel train structure, corresponding torque information is transmitted to the execution sensor, the execution sensor applies or weakens the torque to the belt wheel 10 through the abutting part 14, the disc spring matched with the execution sensor can also perform torque action on the belt wheel 10, so that the relative displacement between the belt wheel 10 and the belt occurs, and finally the position of the belt wheel is adjusted to be within an error range.
The utility model also provides an engine comprising the belt wheel structure 100.
By using the engine in the technical scheme, when the alignment degree of the pulley structure 100 needs to be adjusted after the engine is stopped, the first adjusting element 40 is adopted to apply or reduce the moment to the pulley, and the second adjusting assembly can be matched to adjust the axial load of the pulley, so that the pulley can move in the axial direction, the alignment degree error is always kept in a reasonable range when the engine is started next time, the reliability is improved, meanwhile, the supporting assembly is also adopted to support the fixed shaft in the application document, and the stability of the pulley structure 100 can be improved to a certain extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A pulley structure, comprising:
the belt wheel is internally provided with a hollow structure;
the fixed shaft penetrates through the hollow structure;
a support assembly located within the hollow structure and disposed between the stationary shaft and the pulley;
the first adjusting element is sleeved on the outer side of the middle part of the fixed shaft and arranged between one end of the belt wheel and the end part of the fixed shaft;
the second adjusting component is sleeved on the fixing portion of the fixing shaft and can rotate relative to the fixing shaft, and the second adjusting component is connected with the belt wheel and can be matched with the first adjusting element to adjust the axial load of the belt wheel.
2. The pulley structure according to claim 1, characterized in that said pulley comprises a body portion, a first projecting portion, a second projecting portion and an abutment portion, said first and second projecting portions being respectively provided on both sides of said body portion, said abutment portion being provided inside said body portion and close to a port of said pulley, said abutment portion being connected to said second adjustment assembly.
3. The pulley structure according to claim 2, characterized in that the first and/or second projecting portion is provided with a limit sensor on the side facing the body portion, said limit sensor being electrically connected to a control center.
4. The pulley structure according to claim 3, wherein the second adjusting assembly comprises a first bearing and an actuating element, the actuating element is sleeved outside the first bearing and connected with the abutting portion, the actuating element is electrically connected with the control center, and the first bearing is sleeved on the fixing portion of the fixing shaft.
5. The pulley structure according to claim 4, characterized in that said actuator is an actuator sensor.
6. The pulley structure according to claim 1, characterized in that a first dust cover is further provided between said first adjusting element and said pulley, one end of said first adjusting element abuts against said end of said fixed shaft, and the other end of said first adjusting element is connected to said one end of said pulley through said first dust cover.
7. The pulley structure of claim 1, wherein said support assembly includes a second bearing, a third bearing, and a bushing positioned between said second bearing and said third bearing, said second bearing, said third bearing, and said bushing all being nested outside of said middle portion of said stationary shaft.
8. The pulley structure according to claim 1, further comprising a second dust cover, wherein the second dust cover is sleeved on the fixing portion of the fixing shaft and connected to the other end of the pulley, and an inner surface of the second dust cover abuts against the second adjusting member.
9. The pulley structure according to claim 1, characterized in that said first adjusting element is a belleville spring.
10. An engine, characterized by having a pulley structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121016844.7U CN215927569U (en) | 2021-05-12 | 2021-05-12 | Belt wheel structure and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121016844.7U CN215927569U (en) | 2021-05-12 | 2021-05-12 | Belt wheel structure and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927569U true CN215927569U (en) | 2022-03-01 |
Family
ID=80401599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121016844.7U Active CN215927569U (en) | 2021-05-12 | 2021-05-12 | Belt wheel structure and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927569U (en) |
-
2021
- 2021-05-12 CN CN202121016844.7U patent/CN215927569U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7621357B2 (en) | In-wheel motor system and method of installing the same | |
| US8070169B2 (en) | Actuator for active roll control system | |
| KR101269928B1 (en) | Vehicle having wheel-in-motor | |
| CN202016407U (en) | Forced steering mechanism | |
| CN202413407U (en) | Magnetic force-assisted starting and braking device for automobile | |
| JP2005206140A (en) | In-wheel motor system | |
| CN201566464U (en) | Connecting mechanism for motor in reconstructing fuel vehicle into electric vehicle | |
| CN215927569U (en) | Belt wheel structure and engine with same | |
| CN102588543B (en) | Supporting structure of ball screw assembly | |
| CN108146423B (en) | Steering, anti-tilting and driving integrated wheel electric driving system and control method | |
| CN110953313A (en) | Actuating mechanism of heavy-load anti-locking electric steering engine | |
| EP1266817B1 (en) | Electric power steering apparatus | |
| CN111140636B (en) | Swing type solar sailboard driving mechanism | |
| KR100695450B1 (en) | Electric Power Steering System Equipped with Clearance Compensator for Use in Worm Gear | |
| JP2003327121A (en) | Wheel set having gauge variable mechanism and bogie | |
| CN105172991A (en) | Bow disc type two-gear self-adaption automatic speed change drive assembly of inner rotor motor of electric motorcycle | |
| CN111891217B (en) | Suspension structure of vehicle and vehicle | |
| CN210862404U (en) | Small-size integral combination control mechanism | |
| CN201124731Y (en) | Automobile drive axle assembly having semi-floating supporting structure | |
| CN212928722U (en) | High-load support bearing for drive unit gear box | |
| CN102562985A (en) | Ball screw pair transmission mechanism with rotating nut | |
| CN213473282U (en) | Tubular column type electronic steering engine servo mechanism with shock-absorbing gasket | |
| CN216580691U (en) | Clearance adjustment mechanism, power steering gear and vehicle | |
| JPS6154419A (en) | Steering force detecting device of power steering device | |
| CN213734600U (en) | Power assembly for vehicle and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |