CN203656079U - Tensioning device for tensioning wheel - Google Patents
Tensioning device for tensioning wheel Download PDFInfo
- Publication number
- CN203656079U CN203656079U CN201320805743.7U CN201320805743U CN203656079U CN 203656079 U CN203656079 U CN 203656079U CN 201320805743 U CN201320805743 U CN 201320805743U CN 203656079 U CN203656079 U CN 203656079U
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- CN
- China
- Prior art keywords
- swing arm
- driveshaft
- driving rod
- idle wheel
- pole socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to a tensioning device for a tensioning wheel. The tensioning device for the tensioning wheel comprises a swinging arm with the middle provided with a rotary supporting point. One end of the swinging arm is rotationally provided with the tensioning wheel and the other end of the swinging arm is in transmission connection with an adjusting mechanism driving the swinging arm to rotate around the supporting point. The adjusting mechanism comprises a driving rod arranged perpendicular to the rotary axis of the swinging arm and a driving rod base fixedly connected to a corresponding machine frame. The driving rod base is provided with a driving rod penetrating hole enabling the driving rod to move and penetrate through in a guiding mode, the driving rod is provided with an adjusting nut used for being matched with the driving rod base in a pressed mode and driving the driving rod to move in the axial direction when the driving rod is tightly screwed, the swinging arm and the driving rod are connected in a tangent mechanism mode through transmission, and the driving rod drives the swinging arm to rotate when the driving rod moves in the axial direction of the driving rod. The tensioning device for the tensioning wheel can conveniently adjust the tensile force.
Description
Technical field
The utility model relates to a kind of Idle wheel tension device.
Background technique
In band transmission or chain drive, after mechanical operation a period of time, belt or chain can produce because of plastic deformation or wearing and tearing lax, therefore often need to use Idle wheel tension device to carry out tensioning to belt or chain.
Application number is 201020524121.3, notice of authorization number discloses a kind of belt stretcher for the Chinese patent of CN 201866183U, comprise that middle part is provided with the swing arm of rotating fulcrum, one end of swing arm is rotatably equipped with Idle wheel, the other end is connected with the controlling mechanism that drives swing arm to rotate.Controlling mechanism wherein comprises perpendicular to the bolt of the rotation axis setting of swing arm, is set in spring and the fixed base corresponding with the end of bolt on bolt, the corresponding end of swing arm is provided with the through hole passing for described bolt, bolt is tightened on fixed base through after through hole, spring-compressed is arranged between swing arm and fixed base, swing arm is applied to active force, make the Idle wheel of the swing arm the other end compress belt.In order to realize the adjustment to spring force, bolt is installed with locking nut in the top of swing arm, adjusts the position of locking nut and just can realize the adjustment to spring force, so that Idle wheel can apply to belt the pressure of setting.But, if directly locking nut is adjusted, the position of swing arm will change, the position of Idle wheel also can correspondingly change, for ensureing that Idle wheel compresses the position of belt, spring need to have higher stiffness coefficient, or need to adjust the position of fixed base, regulates inconvenient.In addition, because screw rod is to be tightened on fixed base, and locking nut and swing arm be compression fit, and therefore, under the effect of spring and the impact of vibration, bolt and lock nut easily gets loose, and causes tensioning to be lost efficacy.
Model utility content
The purpose of this utility model is to provide a kind of Idle wheel tension device that can adjust easily tension force.
The technological scheme that a kind of Idle wheel tension device of the utility model adopts is: a kind of Idle wheel tension device, comprise that middle part is provided with the swing arm of rotating fulcrum, one end of swing arm is rotatably equipped with Idle wheel, the other end is connected with the controlling mechanism that drives swing arm to rotate around fulcrum, described controlling mechanism comprises perpendicular to the driveshaft of the rotation axis setting of swing arm and driving pole socket for being fixedly connected with corresponding frame, described driving pole socket is provided with the driveshaft perforation wearing for driveshaft guiding movement, on described driveshaft, be installed with the adjusting nut for driving described driveshaft to move vertically with driving pole socket compression fit in the time screwing, described swing arm and driveshaft are in transmission connection with the form of tangent mechanism and make driveshaft when along self axial action, drive swing arm to rotate.
Described swing arm comprises the first swing arm of corresponding described Idle wheel setting and the second swing arm that corresponding described driveshaft arranges, and the angle of described the first swing arm and the second swing arm is less than 90 degree.
Described the first swing arm, the second swing arm become Z-shaped setting with driveshaft.
Described adjusting nut is arranged on and drives pole socket away from a side of swing arm, on driveshaft in drive pole socket near a sidespin of swing arm be equipped with for the locking nut that drives pole socket compression fit.
Described tangent mechanism comprises the slotted hole of the corresponding end that is arranged on described swing arm, and described slotted hole radially extends along the revolution of swing arm, and described driveshaft is provided with through described slotted hole setting and the part that passes slotted hole the bearing pin coordinating along block with the hole of slotted hole.
The utility model adopts technique scheme, because adjusting nut is to support to coordinate with driving pole socket, by screwing adjusting nut, can make driveshaft towards or deviate from swing arm and move, and described swing arm and driveshaft are in transmission connection with the form of tangent mechanism, therefore driveshaft can pull or promote swing arm and rotates when along self axial action, swing arm can drive Idle wheel to swing and belt is compressed while rotation, the size of impacting force can realize the angle of adjusting swing arm swing by turn adjusting nut, simple and compact for structure, easy to adjust.
In addition, can on driveshaft, in the both sides that drive pole socket, adjusting nut and locking nut be set respectively, adjusting nut and locking nut can compress driving pole socket simultaneously, thereby by driveshaft fastness be fixed on and drive on pole socket, avoid swing arm and Idle wheel loosening, fixing reliable, can ensure the reliable tensioning of Idle wheel.
Brief description of the drawings
Fig. 1 is the structural representation of an a kind of embodiment of Idle wheel tension device in the utility model.
The name that in figure, each reference character is corresponding is called: 1 frame, and 2 swing arms, 3 first swing arms, 4 second swing arms, 5 Idle wheels, 6 driveshafts, 7 drive pole socket, 8 tensioning nuts, 9 gland nuts, 10 bearing pins, 11 belts.
Embodiment
An embodiment of a kind of Idle wheel tension device of the utility model as shown in Figure 1, it is a kind of Idle wheel tension device of the belt 11 for tensioning reaper threshing chamber, comprise the swing arm 2 that is provided with the first swing arm 3 and the second swing arm 4, between the first swing arm 3 and the second swing arm 4, be provided with rotating shaft, rotating shaft forms rotating fulcrum, rotates and is assemblied on corresponding support for swing arm 2.4 one-tenth L shaped docking settings of the first swing arm 3 and the second swing arm and both angles are less than 90 degree, the end of the first swing arm 3 is rotatably equipped with Idle wheel 5, the end of the second swing arm 4 is in transmission connection and is useful on the driveshaft 6 that drives swing arm 2 to swing, described the first swing arm 3,6 one-tenth Z-shaped settings of the second swing arm 4 and driveshaft.
Driveshaft 6 is provided with the driving pole socket 7 fixing with frame 1 away from one end of swing arm 2, this driving pole socket 7 is made up of the riser of three splicings that take the shape of the letter U, be provided with the driveshaft perforation of passing away from one end of swing arm 2 for driveshaft 6 corresponding to the riser of the bottom of U-shaped, driveshaft 6 passes from this driveshaft perforation, the part passing is provided with outside thread and is installed with tensioning nut 8, can and drive pole socket 7 compression fit and drive described driveshaft 6 along self axial action in the time screw.Certainly, in other embodiments, drive pole socket also can be arranged to other forms, for example, adopt angle bar, driveshaft perforation is arranged on the corresponding bending part of angle bar.
The second swing arm 4 is provided with the slotted hole radially extending along the revolution of the second swing arm 4, described driveshaft 6 is provided with through described slotted hole setting and the part that passes slotted hole the bearing pin 10 coordinating along block with the hole of slotted hole, driveshaft 6 guiding movements are arranged in slotted hole, and bearing pin 10 can make driveshaft 6 coordinate and produce relative rotation with swing arm 2 blocks, rely on this bearing pin 10 and slotted hole, driveshaft 6 can pull the second swing arm 4 to rotate and rotate with respect to swing arm 2, forms tangent mechanism.On driveshaft 6, be also provided with outside thread and be installed with gland nut 9 near a side of swing arm 2 in driving pole socket 7, be used for and drive pole socket 7 compression fit, after tensioning nut 8 is adjusted to the right place, gland nut 9 is pressed on pressing plate with tensioning nut 8 simultaneously, driveshaft 6 is fixed on reliably and is driven on pole socket 7, ensure fixedly securing of Idle wheel 5.
When use, screw tensioning nut 8, make driveshaft 6 pull the second swing arm 4 to rotate, the first swing arm 3 and Idle wheel 5 rotate thereupon, and belt 11 is compressed, and then screw gland nut 9, gland nut 9 is pressed to and drives on pole socket 7, by locked driveshaft 6, can effectively avoid driveshaft 6 loosening.
In the above-described embodiments, the first swing arm 3 is to be connected by rotating shaft with the second swing arm 4, and both angles are less than 90 degree.In other embodiments of the present utility model, the first swing arm 3 and the second swing arm 4 also can be arranged to integrative-structure, and both also can be arranged to the structure that orthogonal structure or angle are greater than 90 degree; And tensioning nut 8 also can be arranged on the side of driving pole socket 7 near swing arm 2, while now screwing tensioning nut 8, can make swing arm 2 and drive the distance between pole socket 7 to become large, promote swing arm 2 and rotate.In addition, in above-described embodiment, the first swing arm 3 and driveshaft 6 are separately positioned on the both sides of the second swing arm 4 and form Z-shaped structure, facilitated the setting that drives pole socket 7, in other embodiments, the first swing arm 3 and driveshaft 6 also can be arranged on the same side of the second swing arm 4.Moreover, transmission connecting structure between swing arm 2 and driveshaft 6 also can replace to other forms, as long as can form tangent mechanism, for example, in the second swing arm 4 distal end faces, arrange along the second swing arm 4 and turn round the chute radially extending, make bearing pin 10 coordinate and be rotatably assorted with chute guiding, can realize equally the driving of driveshaft 6 to swing arm 2.
Claims (5)
1. an Idle wheel tension device, comprise that middle part is provided with the swing arm of rotating fulcrum, one end of swing arm is rotatably equipped with Idle wheel, the other end is connected with the controlling mechanism that drives swing arm to rotate around fulcrum, it is characterized in that: described controlling mechanism comprises perpendicular to the driveshaft of the rotation axis setting of swing arm and driving pole socket for being fixedly connected with corresponding frame, described driving pole socket is provided with the driveshaft perforation wearing for driveshaft guiding movement, on described driveshaft, be installed with the adjusting nut for driving described driveshaft to move vertically with driving pole socket compression fit in the time screwing, described swing arm and driveshaft are in transmission connection with the form of tangent mechanism and make driveshaft when along self axial action, drive swing arm to rotate.
2. a kind of Idle wheel tension device according to claim 1, it is characterized in that: described swing arm comprises the first swing arm of corresponding described Idle wheel setting and the second swing arm that corresponding described driveshaft arranges, and the angle of described the first swing arm and the second swing arm is less than 90 degree.
3. a kind of Idle wheel tension device according to claim 2, is characterized in that: described the first swing arm, the second swing arm become Z-shaped setting with driveshaft.
4. according to a kind of Idle wheel tension device described in claim 1 or 2 or 3, it is characterized in that: described adjusting nut is arranged on and drives pole socket away from a side of swing arm, on driveshaft in drive pole socket near a sidespin of swing arm be equipped with for the locking nut that drives pole socket compression fit.
5. according to a kind of Idle wheel tension device described in claim 1 or 2 or 3, it is characterized in that: described tangent mechanism comprises the slotted hole of the corresponding end that is arranged on described swing arm, described slotted hole radially extends along the revolution of swing arm, and described driveshaft is provided with through described slotted hole setting and the part that passes slotted hole the bearing pin coordinating along block with the hole of slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805743.7U CN203656079U (en) | 2013-12-10 | 2013-12-10 | Tensioning device for tensioning wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805743.7U CN203656079U (en) | 2013-12-10 | 2013-12-10 | Tensioning device for tensioning wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656079U true CN203656079U (en) | 2014-06-18 |
Family
ID=50922469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805743.7U Expired - Fee Related CN203656079U (en) | 2013-12-10 | 2013-12-10 | Tensioning device for tensioning wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656079U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614381A (en) * | 2015-02-16 | 2015-05-13 | 无锡力优医药自动化技术有限公司 | Main shaft driving assembly for transfusion plastic bottle full-automatic light inspection machine |
| CN106956190A (en) * | 2016-01-12 | 2017-07-18 | 永泰县振兴木竹制品有限公司 | Chopsticks grinding attachment |
| CN107165996A (en) * | 2017-06-13 | 2017-09-15 | 湖州南浔善琏友乐毛纺厂 | Many gear strainers of weaving take-up |
| CN109442012A (en) * | 2018-10-30 | 2019-03-08 | 德清县德盛纺织品有限公司 | Synchronous belt adjusting mechanism of cam opening device |
| CN110864600A (en) * | 2019-11-25 | 2020-03-06 | 河南省计量科学研究院 | Measurable meter rice device of tensile force |
-
2013
- 2013-12-10 CN CN201320805743.7U patent/CN203656079U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614381A (en) * | 2015-02-16 | 2015-05-13 | 无锡力优医药自动化技术有限公司 | Main shaft driving assembly for transfusion plastic bottle full-automatic light inspection machine |
| CN104614381B (en) * | 2015-02-16 | 2017-06-27 | 无锡力优医药自动化技术有限公司 | The main shaft drives component of transfusion plastic bottle full automatic lamp detecting machine |
| CN106956190A (en) * | 2016-01-12 | 2017-07-18 | 永泰县振兴木竹制品有限公司 | Chopsticks grinding attachment |
| CN107165996A (en) * | 2017-06-13 | 2017-09-15 | 湖州南浔善琏友乐毛纺厂 | Many gear strainers of weaving take-up |
| CN107165996B (en) * | 2017-06-13 | 2024-04-16 | 湖州南浔善琏友乐毛纺厂 | Multi-gear tensioning mechanism for spinning winding |
| CN109442012A (en) * | 2018-10-30 | 2019-03-08 | 德清县德盛纺织品有限公司 | Synchronous belt adjusting mechanism of cam opening device |
| CN110864600A (en) * | 2019-11-25 | 2020-03-06 | 河南省计量科学研究院 | Measurable meter rice device of tensile force |
| CN110864600B (en) * | 2019-11-25 | 2021-07-23 | 河南省计量科学研究院 | Measurable meter rice device of tensile force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |