CN116428324A - Transmission tensioning device - Google Patents
Transmission tensioning device Download PDFInfo
- Publication number
- CN116428324A CN116428324A CN202211407220.7A CN202211407220A CN116428324A CN 116428324 A CN116428324 A CN 116428324A CN 202211407220 A CN202211407220 A CN 202211407220A CN 116428324 A CN116428324 A CN 116428324A
- Authority
- CN
- China
- Prior art keywords
- transmission
- support
- wheel
- tensioning
- tensioner
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 145
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H7/20—Mountings for rollers or pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model belongs to the field of flexible transmission, and particularly relates to a transmission tensioning device. The transmission tensioning device comprises a transmission wheel support, a transmission wheel is arranged in the transmission wheel support, a tensioning wheel support is rotatably assembled on the transmission wheel support, the extension direction of the tensioning wheel support relative to the rotation axis of the transmission wheel support is the same as that of the rotation axis of the transmission wheel, a locking mechanism is arranged between the tensioning wheel support and the transmission wheel support, a tensioning wheel is mounted on the tensioning wheel support, and the transmission wheel and the tensioning wheel are located on the same plane. The transmission tensioning device has higher structural integration level, can equivalent the tensioning wheel and the driving wheel into a large driving wheel with a changeable circle center position, ensures that the transmission is more stable, and ensures that the space utilization rate of the transmission tensioning device is higher, the structure is simpler and more compact, and the occupied space is smaller through the guiding effect of the tensioning wheel on the driving chain or the driving belt.
Description
Technical Field
The utility model belongs to the field of flexible transmission, and particularly relates to a transmission tensioning device.
Background
At present, the flexible transmission system is widely applied due to the characteristics of simple structure, strong adaptability, accurate average transmission ratio, low manufacturing and installation cost and the like. The device comprises a driving wheel, a driven wheel and a chain or a belt wound on the driving wheel, wherein the driving wheel and the driven wheel are arranged on parallel shafts, and the chain or the belt is subjected to abrasion and self gravity in actual use, so that the chain or the belt can be loosened and stretched, the loose edge sag of the chain or the belt is increased, the tension is reduced, and the problems of poor engagement, slipping, vibration and the like are caused. At present, the measures adopted for adjusting the tension degree of the chain or the belt mainly comprise manual adjustment of the position of a transmission shaft to adjust the tension degree, or installation of a counterweight wheel and a tensioning wheel on the loose edge of the chain or the belt to re-tension the chain or the belt, and the like.
The Chinese patent with the authorized bulletin number of CN213419813U and the authorized bulletin day of 2021, 6 and 11 discloses a transmission chain tensioning device which is suitable for tensioning a small-space chain, wherein one side of a chain box body is open and provided with a waist-shaped space, two gears are rotatably arranged at two ends of the waist-shaped space, and a transmission chain meshed with the gears is rotatably sleeved on the two gears. The chain box body between the two gears is provided with a chain transmission tensioning device, the chain transmission tensioning device comprises a metal strip, one end of the metal strip is hinged with the chain box, the other end of the metal strip is provided with a tensioning wheel which is meshed with a chain, a fixing hole is formed in the middle of the metal strip, a bolt is screwed on the fixing hole to fix the metal strip, the loosening degree of the chain is relieved, and noise and abrasion caused by the loosening of the chain are restrained.
The Chinese patent with the authorized bulletin number of CN206592501U and the authorized bulletin day of 2017, 10 and 27 discloses a transmission chain tensioning mechanism, which comprises a fixed seat, wherein the fixed seat is movably arranged at the lower end of a rocker, the upper end of the rocker is connected with one side of a central bearing of a tensioning wheel, the tensioning wheel is pressed on the inner side of a transmission chain, a tensioning degree adjusting structure is arranged on the rocker, the lower end of an elastic part is movably arranged on the fixed seat, and the upper end of the elastic part is movably connected with the tensioning degree adjusting structure. The transmission chain tensioning mechanism is simple in structure, the tensioning degree can be manually adjusted at multiple angles, the tensioning wheel is prevented from being separated, and the stability of the device is enhanced.
To sum up, current take-up pulley need be through extra fixed mounting of support or connecting plate when using, and volume occupation space is great, and take-up pulley sets up between two drive wheels when the installation moreover, accomplishes the tensioning through directly compressing tightly the loose edge of chain or belt, very easily takes place to interfere with the drive wheel when adjusting chain or belt rate of tension through the installation angle that changes take-up pulley support or connecting plate in little space transmission system, and the integrated level is lower, and spatial structure is comparatively complicated, not compact enough.
Disclosure of Invention
The utility model aims to provide a transmission tensioning device, which solves the technical problems of large occupied space, low integration level and insufficient compactness of the transmission tensioning device in the prior art.
In order to achieve the above purpose, the technical scheme of the transmission tensioning device provided by the utility model is as follows:
the transmission tensioning device comprises a transmission wheel support, wherein a transmission wheel is arranged in the transmission wheel support, a tensioning wheel support is rotatably assembled on the transmission wheel support, the extension direction of the tensioning wheel support relative to the rotation axis of the transmission wheel support is the same as that of the rotation axis of the transmission wheel, a locking mechanism is arranged between the tensioning wheel support and the transmission wheel support, a tensioning wheel is mounted on the tensioning wheel support, and the transmission wheel and the tensioning wheel are in the same plane.
The beneficial effects are that: the utility model changes the installation position of the traditional transmission tensioning device, improves the integration level of the transmission tensioning device, and rotatably installs the tensioning wheel support on the driving wheel support, wherein the driving wheel and the tensioning wheel are positioned on the same plane, and can play a role in guiding a driving chain or a driving belt through the tensioning wheel. The extension direction of the rotation axis of the tension pulley support relative to the transmission pulley support is the same as that of the transmission pulley, so that the space utilization rate of the transmission tensioning device is higher, the integration level is higher, the structure is simpler and more compact, and the tension pulley support does not interfere with the transmission pulley during rotation. Under the condition of not reducing the wrap angle of a transmission chain or a transmission belt, the tensioning wheel and the transmission wheel are equivalent to a large transmission wheel with a changeable circle center position, and the diameter of the large transmission wheel is the sum of the radius of the tensioning wheel, the radius of the transmission wheel and the circle center distance of the two, so that the transmission is more stable. The tensioning wheel support is adjusted and locked by the locking mechanism at a set angle, and meanwhile adjustment and locking are achieved, so that the structure of the transmission tensioning device is further simplified, the circle center position of the equivalent large transmission wheel can be changed by changing the installation angle of the tensioning wheel support, the tensioning degree of a transmission chain or a transmission belt is effectively adjusted, the structure is simpler and more compact, adjustment, maintenance and overhaul of the transmission tensioning device in small space occasions are facilitated, the structure of the transmission tensioning device is more compact, and occupied space is smaller.
As a further development, the axis of rotation of the tensioning wheel support relative to the drive wheel support is collinear with the axis of rotation of the drive wheel.
The beneficial effects are that: the rotation axis of the tension wheel support relative to the transmission wheel support is collinear with the rotation axis of the transmission wheel, so that the whole structure of the transmission tension device is more concentrated and compact, and the occupied space of the transmission tension device is smaller.
As a further improvement, the tensioning wheel support comprises support plates which are oppositely arranged along the axial direction of the tensioning wheel, and the driving wheel is rotatably assembled on the corresponding support plates.
The beneficial effects are that: the support plates which are oppositely arranged along the axial direction of the tensioning wheel can enable the tensioning wheel support to be installed and fixed simultaneously from the two sides of the driving wheel, and balance support is provided from the two sides of the tensioning wheel, so that the tensioning operation of the driving tensioning device is more stable and reliable, the stability of the installation of the driving tensioning device is improved, and the service life is prolonged. The transmission wheel is rotationally assembled on the corresponding supporting plate, so that the transmission tensioning device is higher in integration level, space occupation is reduced, the structure is more compact, and meanwhile, the transmission wheel does not influence the rotation of the tensioning wheel support.
As a further improvement, the support plate is provided with a bearing seat, a bearing is arranged in the bearing seat, and the driving wheel is rotationally assembled on the corresponding support plate through the bearing.
The beneficial effects are that: the bearing seat is arranged on the supporting plate, namely, the bearing seat of the driving wheel is fixedly connected with the tensioning wheel support to form a whole, and the driving wheel can be arranged on the supporting plate, so that the structure of the driving tensioning device is simplified and more compact, and the integration level of the driving tensioning device is improved.
As a further improvement, the locking mechanism comprises an adjusting hole and a fastener, wherein the adjusting hole is respectively arranged on the driving wheel support and the tensioning wheel support, and the fastener corresponds to the adjusting hole.
The beneficial effects are that: the locking mechanism is arranged as the adjusting hole and the fastener corresponding to the adjusting hole, the structure is simple and easy to process, and the structure of the transmission tensioning device is further simplified.
As a further improvement, the adjusting holes on one of the driving wheel support and the tensioning wheel support are arc long holes, the other one is a discretely distributed threaded hole, and the fastening piece is a compression bolt.
The beneficial effects are that: the installation angle of the tensioning wheel support can be conveniently and rotationally adjusted by setting the installation angle to be the arc long hole and the threaded hole, the installation angle can be set to be any value within the range of the arc long hole, the adaptability and the flexibility of the installation angle adjustment are stronger, meanwhile, the arc long hole is simple in structure and easy to process, and the structure of the transmission tensioning device is simpler. And the compression bolt is unscrewed, the tension wheel support is rotated to a tensioning angle, and the compression bolt is screwed, so that the tension of a transmission chain or a transmission belt can be realized, and the adjusting process is simpler and is easy to operate.
As a further development, the axle length of the tensioning wheel is smaller than the spacing width of the wheel support.
The beneficial effects are that: the length of the wheel shaft of the tensioning wheel is smaller than the interval width of the support of the driving wheel, so that the space occupation can be further reduced, and the structure of the driving tensioning device is more compact.
As a further development, the tensioning roller support is provided with a bending section facing the tensioning roller.
The beneficial effects are that: the bending section towards the tensioning wheel is arranged on the tensioning wheel support, the tensioning wheel with a shorter installation shaft length is more facilitated, meanwhile, the bending section can be utilized to provide more stable support for the tensioning wheel, and space occupation is reduced.
As a further improvement, one end of the tensioning wheel support, which is far away from the driving wheel, is provided with a supporting sleeve which is in rotary fit with the wheel shaft of the tensioning wheel.
The beneficial effects are that: the support sleeve is arranged on the support sleeve which is rotationally matched with the wheel shaft of the tensioning wheel, so that the tensioning wheel support can provide stable support for the tensioning wheel, the stress is more balanced when the tensioning wheel is tightly pressed with a chain or a belt, and the transmission and meshing effects during tensioning are more stable and accurate.
As a further improvement, a rotation limiting structure is arranged between the driving wheel support and the tensioning wheel support.
The beneficial effects are that: the rotation limit structure can effectively limit the rotation range of the tensioning wheel support, prevent excessive rotation and save the space occupation of the transmission tensioning device.
Drawings
FIG. 1 is a schematic diagram of an embodiment 1 of a transmission tensioner of the present utility model;
FIG. 2 is a side view of the structure of the transmission tensioner of FIG. 1;
fig. 3 is a schematic view of the structure of the support plate of the tensioner bracket of example 1.
Reference numerals illustrate:
1. a transmission wheel shaft; 2. a seal ring; 3. a transparent cover; 4. a bearing; 5. a support plate; 6. a driving wheel; 7. a driving wheel support; 8. a key; 9. a fastening bolt; 10. a cover is closed; 11. a dust ring; 12. a compression bolt; 13. tensioning wheel.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like is not excluded from a process, method, or the like that includes the element.
In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
The present utility model is described in further detail below with reference to examples.
compared with the transmission tensioning device in the prior art, the transmission tensioning device has the innovation that the tensioning wheel support of the transmission tensioning device is arranged on the transmission wheel support 7 instead of being arranged between two transmission wheel shafts 1, the rotation axis of the tensioning wheel support relative to the transmission wheel support 7 is the same as the extension direction of the rotation axis of the transmission wheel 6, and the transmission wheel 6 and the tensioning wheel 13 are positioned on the same plane, so that the tensioning wheel 13 can be utilized to guide a transmission chain or a transmission belt, and simultaneously, the tensioning wheel 13 and the transmission wheel 6 can be equivalent to a large transmission wheel 6 with a changeable circle center position under the condition that the wrap angle of the transmission chain is not reduced, the diameter of the large transmission wheel 6 is the sum of the radius of the tensioning wheel 13, the radius of the transmission wheel 6 and the circle center distance of the two transmission wheel 6, so that the transmission is more stable, the structure of the transmission tensioning device is more compact, the occupied space is smaller, the probability of interference with the transmission wheel 6 in the tensioning adjustment process is reduced, and the transmission tensioning device is more suitable for small space occasions.
As shown in fig. 1, 2 and 3, the transmission tensioning device provided by the embodiment comprises a transmission wheel support 7, and reinforcing ribs are arranged on two sides of the transmission wheel support 7 to further provide stable support and protection for the smooth running of the transmission wheel 6. The tensioning wheel support is rotatably arranged on the driving wheel support 7, the tensioning wheel support is clamped on two sides of the driving wheel support 7 by two identical supporting plates 5 in a splicing mode, the supporting plates 5 are oppositely arranged along the axial direction of the tensioning wheel, the tensioning wheel support is fixedly arranged on two sides of the driving wheel 6 at the same time, the two sides are stressed in a balanced mode, tensioning operation of the driving tensioning device is stable and reliable, stability of installation of the driving tensioning device is improved, and service life is prolonged. And the bearing seats of the driving wheels 6 are fixedly connected to the supporting plates 5 on two sides, so that space occupation is reduced, the structure is compact, and the integration level is improved.
The tensioning wheel support is arranged in a collinear manner relative to the rotation axis of the driving wheel support 7 and the rotation axis of the driving wheel 6 through the bearing seat, so that the supporting plates 5 on two sides and the driving wheel 6 are coaxially arranged on the driving wheel support 7, and the driving wheel 6 can be positioned in the driving wheel support 7 and the tensioning wheel support at the same time, so that the driving wheel 6 can run more stably. The opening of backup pad 5 on the round hole of bearing frame mounted position is used for dodging the reinforcement rib plate on the drive wheel support 7 when the installation, makes transmission overspeed device tensioner can directly install the take-up pulley support from the both sides of drive wheel support 7 under the circumstances of not dismantling drive wheel support 7 and other structures, improves installation effectiveness, with take-up pulley support and drive wheel 6 coaxial arrangement, and usable transmission overspeed device tensioner plays the guide effect to the tensioning of chain, still can make transmission overspeed device tensioner's structure compacter, occupation space is littleer.
In this embodiment, a locking mechanism is further disposed between the support plates 5 on two sides of the tensioning wheel support and the driving wheel support 7, the locking mechanism is arc-shaped long holes symmetrically distributed on the periphery of the driving wheel 6, so that the stress distribution of the locking mechanism of the tensioning wheel support is more balanced, and a corresponding position of the driving wheel support 7 is provided with a distributed threaded hole matched with the locking mechanism, a plurality of compression bolts 12 penetrate through the annular through holes and are in threaded connection with the threaded holes, so that the tensioning wheel support can be fixedly mounted on the driving wheel support 7 at a required set angle, and meanwhile, the arc-shaped long holes are not communicated, therefore, the support plate 5 area between the two arc-shaped long holes can be used as a rotation limiting structure, the adjusting range of the tensioning wheel support is limited, the set mounting angle can be any value in the adjusting range, and the adaptability and the flexibility of the adjustment of the mounting angle are stronger. The reinforcing rib plate of the driving wheel support 7 is provided with a corresponding avoiding structure, so that the reinforcing rib plate does not interfere the rotation of the tensioning wheel support. The locking mechanism of the transmission tensioning device is also used as a fixed structure, and the circle center position of the equivalent large driving wheel 6 can be changed by changing the installation angle of the tensioning wheel support of the tensioning transmission device, so that the tension degree of the transmission chain is adjusted, the operation is simple and easy, the structure of the transmission tensioning device is further compact, and the space occupation is reduced. The tensioning wheel support is rotated, so that the tensioning wheel support cannot interfere with the coaxial tensioning wheel 13 in space, the interference probability of the tensioning wheel 13 and the driving wheel 6 is reduced, and the transmission tensioning device is more beneficial to maintenance and overhaul in a small space occasion.
As shown in fig. 1 and 2, in the present embodiment, a driving wheel 6 of the driving tensioning device is fixedly installed in a bearing seat, bearings 4 are fixedly installed at two sides of the interior of the bearing seat, a driving shaft is rotatably installed in the bearings 4, the driving shaft is connected with the driving wheel 6 through a key 8 and is in rotation-stopping fit, the driving wheel 6 is located between the bearings 4 at two sides, and dust-proof rings 11 are arranged between two sides of the driving wheel 6 and the bearings 4. The transmission cover 3 and the blank cap 10 are respectively arranged on the outer side of the transmission wheel 6 to enable the transmission wheel 6 to be sealed, the transmission cover 3 and the blank cap 10 are fixedly arranged on the outer side of a bearing seat fixedly connected with a tensioning wheel support through threaded connection between the transmission cover 3 and the blank cap 9, the transmission cover 3 and the blank cap 10 can be more conveniently installed, the integration level of a transmission tensioning device is improved, and the space structure of the transmission tensioning device is further compact. Sealing rings 2 are respectively arranged between the transparent cover 3 or the blank cap 10 and the bearing 4, so that the sealing effect of the internal structure is ensured, and the internal lubricating oil is prevented from exuding.
As shown in fig. 1 and 2, in this embodiment, one end of the tensioning wheel support, far away from the driving wheel 6, is provided with a supporting sleeve in running fit with the wheel shaft of the tensioning wheel 13, the tensioning wheel 13 is installed in the supporting sleeve, and the tensioning wheel support is fixedly connected with the tensioning wheel 13 from two sides of the tensioning wheel 13, so that the tensioning wheel support supports the tensioning wheel 13 on two sides of the tensioning wheel 13 respectively, stress is more balanced when the tensioning wheel 13 is pressed with a chain, and transmission and meshing effects during tensioning are more stable and accurate. One end of a tensioning wheel shaft of the tensioning wheel 13 is provided with a shaft shoulder which is blocked with the tensioning wheel support, the other end of the tensioning wheel shaft is connected with a shaft cover in a threaded manner, the shaft cover is tightly pressed with the tensioning wheel support, and the shaft shoulder and the shaft cover are used for fixedly mounting the tensioning wheel 13 on the tensioning wheel support and preventing the axial movement of the tensioning wheel shaft. The tensioning wheel 13 is fixedly arranged on the tensioning wheel shaft through the bearing 4, stop rings pressed with the tensioning wheel support are further arranged on two sides of the bearing 4, and the axial movement of the bearing 4 can be limited by the stop rings, so that the stable operation of the transmission tensioning device is ensured. The length of the wheel shaft of the tensioning wheel 13 is smaller than the interval width of the driving wheel support 7, and the supporting plate 5 of the tensioning wheel support is informed of the bending section towards the tensioning wheel 13, so that space occupation can be further reduced, the structure of the driving tensioning device is more compact, and meanwhile, the bending section can be utilized to provide more stable support for the tensioning wheel 13.
When the transmission tensioning device of the transmission system of the embodiment is used for tensioning a chain, the compression bolt 12 is firstly unscrewed, then the tensioning wheel support is rotated to a proper tensioning position, the compression bolt 12 is screwed again, the chain tensioning operation can be completed, the adjusting process is simple and easy to operate, and the adjusting efficiency is higher.
in embodiment 1, a drive tensioner is used in a chain drive system. In this embodiment, the drive tensioner may also be used in a belt drive system.
in embodiment 1, the axis of rotation of the tensioning wheel support relative to the drive wheel support 7 is collinear with the axis of rotation of the drive wheel 6. In this embodiment, the rotation axis of the tensioning wheel support relative to the driving wheel support 7 is parallel to the rotation axis of the driving wheel 6, i.e. the tensioning wheel support is rotatably mounted on the driving wheel support 7 adjacent to the driving wheel 6.
in embodiment 1, the tensioning wheel support comprises support plates 5 which are oppositely arranged along the axial direction of the tensioning wheel, the driving wheels 6 are rotatably assembled on the corresponding support plates 5, and the support plates 5 are symmetrically arranged on two sides of the tensioning wheel 13. In this embodiment, the support plate 5 may be provided only on one side of the tensioning wheel shaft, the tensioning wheel support is of an h-shaped structure, only one side of the tensioning wheel shaft of the tensioning wheel 13 is connected with the support plate 5, and the shaft cover is provided on the other side of the tensioning wheel shaft, and the bearing 4 may be provided between the support plate 5 and the tensioning wheel shaft to allow the tensioning wheel shaft to rotate in synchronization with the tensioning wheel 13, or the bearing 4 may be provided between the tensioning wheel shaft and the tensioning wheel 13 to allow only the tensioning wheel 13 to rotate.
Specific example 5 of the transmission tensioning device provided by the utility model:
in embodiment 1, a bearing seat is fixedly connected to the support plate 5, a bearing 4 is arranged in the bearing seat, and the driving wheel 6 is rotatably assembled on the corresponding support plate 5 through the bearing 4. In this embodiment, the bearing seat of the driving wheel 6 can be movably connected with the supporting plate 5.
Specific example 6 of the transmission tensioning device provided by the utility model:
in embodiment 1, the adjusting holes on the tensioning wheel support are arc long holes, the adjusting holes on the driving wheel support 7 are threaded holes in discrete distribution, and the fastening pieces are compression bolts 12. In this embodiment, the positions of the threaded holes and the arc-shaped long holes are exchangeable, or the adjusting holes on the tensioning wheel support may be a plurality of through holes discretely distributed on the periphery of the driving wheel 6, the adjusting holes on the driving wheel support 7 are also threaded holes, and setting the locking mechanism as a plurality of through holes subdivides the set adjusting angle of the driving tensioning device into a plurality of set values, but the fixing effect is better, and the fixing effect can be locked by only one compression bolt 12.
in embodiment 1, the wheel axle length of the tensioning wheel 13 is smaller than the width of the gap between the wheel carriers 7, and the tensioning wheel carriers are provided with bending sections facing the tensioning wheel 13. In this embodiment, the length of the wheel axle of the tensioning wheel 13 corresponds to the width of the gap between the wheel carriers 7, without the need for a bending section on the tensioning wheel carrier facing the tensioning wheel 13.
Specific example 8 of the drive tensioner provided by the present utility model:
in embodiment 1, the end of the tensioning wheel support remote from the drive wheel 6 is provided with a support sleeve in a running fit with the axle of the tensioning wheel 13. In this embodiment, the tensioning axle can be fixedly mounted directly on the one-sided support plate 5 and the tensioning wheel 13 is in rotational engagement therewith via the bearing 4.
Specific example 9 of the transmission tensioning device provided by the utility model:
in embodiment 1, a rotation limiting structure is arranged between the driving wheel support 7 and the tensioning wheel support, and the rotation limiting structure is a separation section between the arc long holes. In this embodiment, the avoidance structure on the reinforcing rib plate can be omitted, so that the avoidance structure is matched with the opening of the round hole of the supporting plate 5 to form a rotation limiting structure.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a transmission overspeed device tensioner, includes drive wheel support (7), be equipped with drive wheel (6) in drive wheel support (7), characterized by, rotate on drive wheel support (7) and be equipped with the take-up pulley support, the take-up pulley support is the same with the extending direction of the axis of rotation of drive wheel (6) for the axis of rotation of drive wheel support (7), is equipped with locking mechanism between take-up pulley support and drive wheel support (7), install take-up pulley (13) on the take-up pulley support, drive wheel (6) with take-up pulley (13) are in the coplanar.
2. A transmission tensioner according to claim 1, characterized in that the axis of rotation of the tensioner support with respect to the drive wheel support (7) is collinear with the axis of rotation of the drive wheel (6).
3. A transmission tensioner according to claim 2, characterised in that the tensioner support comprises support plates (5) arranged axially opposite to each other along the tensioner (13), the transmission wheel (6) being rotatably mounted on the corresponding support plate (5).
4. A transmission tensioner according to claim 3, characterized in that the support plate (5) is provided with a bearing seat, in which a bearing (4) is provided, the transmission wheel (6) being rotatably mounted on the respective support plate (5) by means of the bearing (4).
5. A transmission tensioner according to any one of claims 1 to 4, characterised in that the locking means comprise adjustment holes provided separately on the transmission wheel support (7) and the tensioner support, and fasteners corresponding to the adjustment holes.
6. The transmission tensioning device according to claim 5, characterized in that the adjustment holes in one of the transmission wheel support (7) and the tensioning wheel support are arc-shaped long holes, the other is a discretely distributed threaded hole, and the fastening piece is a compression bolt (12).
7. A transmission tensioner according to any one of claims 1-4, characterised in that the axle length of the tensioner (13) is smaller than the spacing width of the transmission wheel support (7).
8. A transmission tensioner according to claim 7, characterised in that the tensioner support is provided with a bending section towards the tensioner (13).
9. A transmission tensioner according to claim 8, characterised in that the end of the tensioner support remote from the transmission wheel (6) is provided with a support sleeve in running fit with the axle of the tensioner (13).
10. A transmission tensioner according to any one of claims 1-4, characterised in that a rotation limiting structure is provided between the transmission wheel support (7) and the tensioner support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211407220.7A CN116428324A (en) | 2022-11-10 | 2022-11-10 | Transmission tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211407220.7A CN116428324A (en) | 2022-11-10 | 2022-11-10 | Transmission tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116428324A true CN116428324A (en) | 2023-07-14 |
Family
ID=87093159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211407220.7A Pending CN116428324A (en) | 2022-11-10 | 2022-11-10 | Transmission tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116428324A (en) |
-
2022
- 2022-11-10 CN CN202211407220.7A patent/CN116428324A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210978414U (en) | Belt tensioning device and rice transplanter comprising same | |
| CN111706647A (en) | Steel belt transmission mechanism | |
| CN116428324A (en) | Transmission tensioning device | |
| CN101245844A (en) | Contra-rotation gapless driven interlocking tooth synchronous pulley component | |
| CN209536177U (en) | Differential roller chain conveys streamline | |
| US20030197160A1 (en) | Reduced pull chain drive for roll-up doors | |
| CN217842548U (en) | Tensioning mechanism | |
| CN220622628U (en) | Automatic tensioning wheel of automobile engine with double-bearing structure | |
| CN208651552U (en) | Chain adjusts tensioning apparatus | |
| CN209972714U (en) | Chain tensioning mechanism and vehicle | |
| CN207030598U (en) | Retractable volume tooth form Chain conveyer | |
| CN221115620U (en) | But conveyer of quick replacement belt of online X-ray inspection machine | |
| CN211288650U (en) | Shaftless automatic winding and unwinding synchronous transmission device | |
| CN213451550U (en) | Nylon roller tensioning device for light-load chain transmission | |
| CN220381453U (en) | Driving mechanism | |
| CN212890795U (en) | Adjust eccentric structure of bicycle chain | |
| CN210995133U (en) | Dish-shaped sieve with chain tensioning function | |
| CN114498071B (en) | Strong adaptability's luneberg lens antenna | |
| CN112431913B (en) | Large-transmission-ratio silent transmission case and sweeper applying same | |
| CN217973652U (en) | Splicing transmission mechanism of embroidery machine | |
| CN219119737U (en) | Anti-offset tensioning wheel shaft | |
| CN220077904U (en) | Gear drive rollgang and box overturning machine | |
| CN216418190U (en) | High-torque force flattened motor mechanism of treadmill | |
| CN209539942U (en) | A kind of belt of air compressor tensioning apparatus | |
| CN202323191U (en) | Installation support for rear-vehicle transmission belt wheel axle of drawing frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |