CN103939543B - A kind of belt corner regulating wheel - Google Patents
A kind of belt corner regulating wheel Download PDFInfo
- Publication number
- CN103939543B CN103939543B CN201410189658.1A CN201410189658A CN103939543B CN 103939543 B CN103939543 B CN 103939543B CN 201410189658 A CN201410189658 A CN 201410189658A CN 103939543 B CN103939543 B CN 103939543B
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- CN
- China
- Prior art keywords
- power transmission
- transmission shaft
- flat key
- fixing axle
- regulating wheel
- 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.)
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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
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- 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
- F16H2007/0802—Actuators for final output members
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- 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
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- 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
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/088—Manual adjustment
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- 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
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0891—Linear path
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 invention discloses a kind of belt corner regulating wheel, including: fixing axle, it is connected for fixing with attached body, and fixing axle is provided with the first flat key groove, accommodates a part for flat key in the first flat key groove；Power transmission shaft, its centre bore is provided with the second flat key groove, and another part of flat key is contained in the second flat key groove, and one end away from attached body of fixing axle is provided with for preventing power transmission shaft from the nut deviate from fixing axle；The outer circumference surface of power transmission shaft is provided with helicla flute circumferentially；And swing component, the center of swing component is provided with centre bore, and the bottom of swing component is provided with roller installing hole, and the axis of roller installing hole is vertical with the axis of centre bore, power transmission shaft is contained in the centre bore of swing component, is provided with roller in the space that roller installing hole and helicla flute are formed.The present invention utilizes the cooperation of the helicla flute on power transmission shaft and roller to realize the corner tensioning of belt, and such structure is easy to equipment miniaturization, can export bigger tensile force simultaneously.
Description
Technical field
The present invention relates to engine art, particularly to a kind of belt corner regulating wheel.
Background technology
Tension pulley is the common part of diesel engine, the tension pulley of prior art generally adopts scrollwork flat spring, torsion springs etc. do energy-storage travelling wave tube, the rotation of the swing arm by being connected with energy-storage travelling wave tube realizes the tensioning of belt, the usual volume of tension pulley of such structure is relatively big, is unfavorable in small space and installs.If it is less to reduce the active force of energy-storage travelling wave tube during the tension pulley of such structure, the energy storage compensating action of belt tension is less；And a regulating wheel is adapted only to be arranged on the installation site of an attached body, being thus required for the special tooling that different attached body designs is different, therefore regulating wheel is poor for applicability.
It is disclosed in the information of this background section and is merely intended to increase the understanding of the general background to the present invention, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known.
Summary of the invention
It is an object of the invention to provide a kind of belt corner regulating wheel, thus overcoming tension pulley to adopt the maintenance rate of the energy-storage travelling wave tube such as flat spring, torsion spring and the defect that turnover rate is higher.
Another object of the present invention is to provide a kind of belt corner regulating wheel, thus overcoming the defect poor for applicability of tension pulley.
For achieving the above object, the invention provides a kind of belt corner regulating wheel, including: fixing axle, it is connected for fixing with attached body, and fixing axle is provided with the first flat key groove, accommodates a part for flat key in the first flat key groove；Power transmission shaft, its centre bore is provided with the second flat key groove, and another part of flat key is contained in the second flat key groove, and one end away from attached body of fixing axle is provided with for preventing power transmission shaft from the nut deviate from fixing axle；The outer circumference surface of power transmission shaft is provided with helicla flute circumferentially；And swing component, the center of swing component is provided with centre bore, and the bottom of swing component is provided with roller installing hole, and the axis of roller installing hole is vertical with the axis of centre bore, power transmission shaft is contained in the centre bore of swing component, is provided with roller in the space that roller installing hole and helicla flute are formed.
Preferably, in technique scheme, between power transmission shaft and nut, it is folded with disk spring.
Preferably, in technique scheme, fixing axle is provided with groove, holds one end of pin in groove, and the other end of pin is contained in the cotter way of attached body.
Preferably, in technique scheme, circumferentially arranged with multiple second flat key grooves on the centre bore of power transmission shaft, in a flat key second flat key groove contained therein.
Preferably, in technique scheme, on helicla flute, the one end near attached body connects with the end face of power transmission shaft.
Preferably, in technique scheme, fix and between axle and swing component, be folded with thrust bearing.
Preferably, in technique scheme, the spiral fluted anglec of rotation is 90 °
Preferably, in technique scheme, it is provided with axle bumper groove in the end of roller installing hole.
Compared with prior art, there is advantages that
The present invention drives swing component to swing while utilizing the helicla flute on power transmission shaft to move axially on fixing axle, realize the corner tensioning of belt, such structure is easy to equipment miniaturization, and the assembly difficulty of each parts is relatively low, can export bigger tensile force simultaneously；Multiple slotted eyes on splined hole on power transmission shaft can provide the installation point of multiple angles for belt corner regulating wheel, and the complete machine facilitating diesel engine is supporting；On helicla flute on power transmission shaft, the one end near attached body can connect with the end face of power transmission shaft, facilitates the installation of swing component；Owing to disk spring is smaller, and elastic force is bigger, it is possible to the effect that energy storage compensates is played in the trace elongation that belt is in use produced.
Accompanying drawing explanation
Fig. 1 is the installation diagram of the belt corner regulating wheel according to the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the sectional view of the fixing axle according to the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the sectional view of the swing component according to the present invention.
Fig. 6 is the right view of Fig. 5.
Fig. 7 is the sectional view of the power transmission shaft according to the present invention.
Fig. 8 is the right view of Fig. 7.
Fig. 9 is the structure chart of the disk spring according to the present invention and nut.
Figure 10 is the structure chart of the screw according to the present invention.
Figure 11 is the structure chart of the roller according to the present invention.
Figure 12 is the structure chart of the pin according to the present invention.
Figure 13 is the installation diagram of the belt corner regulating wheel according to the present invention and belt.
Main Reference Numerals illustrates:
1-fixes axle, 101-flat key groove, 102-the first threaded portion, 103-screw mounting hole, 104-groove, 2-swing component, 21-centre bore, 22-axle bumper groove, 23-roller installing hole, 3-power transmission shaft, 31-helicla flute, 32-splined hole, 4-disk spring, 5-nut, 6-screw, 61-the second threaded portion, 7-roller, 8-thrust bearing, 9-sells, 10-axle bumper, 11-flat key, 12-O type circle, 13-roller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that protection scope of the present invention is not by the restriction of detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion will be understood to comprise the element or ingredient stated at such as " comprising " or " including " etc., and does not get rid of other element or other ingredient.
As shown in Figure 1, 2, belt corner regulating wheel according to the specific embodiment of the invention includes fixing axle 1, power transmission shaft 3 and swing component 2, fixing axle 1 and attached body (such as gear chamber cover) fixed installation, the swing of swing component 2 makes the roller rolling belt of belt pulley, it is achieved Zhang Jin.
As shown in Figure 3-4, fixing axle 1 is provided with step surface, and the center of fixing axle 1 is provided with screw mounting hole 103, and the end face of the big end of fixing axle 1 is provided with groove 104, the outer surface of the small end of fixing axle 1 is provided with flat key groove 101, and the end of the small end of fixing axle 1 is provided with the first threaded portion 102.
As seen in figs. 5-6, swing component is provided with centre bore 21, is provided with roller installing hole 23 in the lower end of swing component 2, and the axis of roller installing hole 23 is vertical with the axis of centre bore 21, is provided with axle bumper groove 22 in the end of roller installing hole 23.
As Figure 7-8, the center of power transmission shaft 3 is provided with splined hole 32, and the external peripheral surface of power transmission shaft 3 is provided with along its circumferentially extending helicla flute 31.Preferably, on helicla flute 31, the one end near attached body can connect with the end face of power transmission shaft 3, convenient installation, and the corresponding end-faces of the other end of helicla flute 31 and power transmission shaft exists spacing.Preferably, the anglec of rotation of helicla flute 31 is approximately 90 °.As shown in Figure 10, the end of screw 6 is provided with the second threaded portion 61.
As shown in Figure 1-2, screw 6 is arranged in the screw mounting hole 103 of fixing axle 1, and pin 9 is arranged in the space that the cotter way in the groove 104 of fixing axle 1 and attached body is formed, and makes fixing axle 1 be positioned in attached body.Threadeding with attached body in second threaded portion of screw 6, makes fixing axle 1 be fixed in attached body.Flat key 11 is arranged in the space of a slotted eye formation of the flat key groove 101 of fixing axle 1 and the splined hole 32 of power transmission shaft 3, makes fixing axle 1 position (as shown in Figure 2) with power transmission shaft 3.Power transmission shaft 2 is contained in the centre bore 21 of swing component 2, and is folded with thrust bearing 8 between the step surface of swing component 2 and fixing axle 1, makes swing component 2 can rotate relative to fixing axle 1.In the space that the helicla flute 31 of roller installing hole 23 and power transmission shaft 3 that roller 7 is arranged on swing component 2 is formed, make roller 7 can move in helicla flute 31, thus driving swing component 2 to swing.In the axle bumper groove 22 of the end of roller installing hole 23, axle bumper 10 is installed.Nut 5 is threadeded with the first threaded portion 102 of fixing axle 1, sandwiched disk spring 4 and O 12 between power transmission shaft 3 and nut 5, and power transmission shaft 3 is formed dust-proof chamber by O 12 and thrust bearing 8.
As shown in figure 13, the roller 13 of belt corner regulating wheel is resisted against on belt, when needing tightening belt, rotate nut 5, make nut 5 relative movement on the first threaded portion 102, and then while making power transmission shaft 3 move axially under the promotion of disk spring 4, roller 7 drives swing component 2 to rotate relative to fixing axle 1 and attached body in helicla flute 31, change the roller 13 of the belt corner regulating wheel position on belt, it is achieved the tensioning of belt.
The present invention drives swing component to swing while utilizing the helicla flute on power transmission shaft to move axially on fixing axle, realize the corner tensioning of belt, such structure is easy to equipment miniaturization, and the assembly difficulty of each parts is relatively low, can export bigger tensile force simultaneously；Multiple slotted eyes on splined hole on power transmission shaft can provide the installation point of multiple angles for belt corner regulating wheel, and the complete machine facilitating diesel engine is supporting；On helicla flute on power transmission shaft, the one end near attached body can connect with the end face of power transmission shaft, facilitates the installation of swing component；Owing to disk spring is smaller, and elastic force is bigger, it is possible to the effect that energy storage compensates is played in the trace elongation that belt is in use produced.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe and are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change.Purpose exemplary embodiment selected and describe is in that to explain the certain principles of the present invention and practical application thereof, so that those skilled in the art is capable of and utilizes the various different exemplary of the present invention and various different selection and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (8)
1. a belt corner regulating wheel, it is characterised in that including:
Fixing axle, it is connected for fixing with attached body, and described fixing axle is provided with the first flat key groove, accommodates a part for flat key in described first flat key groove；
Power transmission shaft, its centre bore is provided with the second flat key groove, and another part of described flat key is contained in described second flat key groove, and one end away from attached body of described fixing axle is provided with for preventing described power transmission shaft from the nut deviate from described fixing axle；The outer circumference surface of described power transmission shaft is provided with helicla flute circumferentially；And
Swing component, the center of described swing component is provided with centre bore, the bottom of described swing component is provided with roller installing hole, the axis of described roller installing hole is vertical with the axis of described centre bore, described power transmission shaft is contained in the centre bore of described swing component, is provided with roller in the space that described roller installing hole and described helicla flute are formed.
2. belt corner regulating wheel according to claim 1, it is characterised in that be folded with disk spring between described power transmission shaft and described nut.
3. belt corner regulating wheel according to claim 1 and 2, it is characterised in that described fixing axle is provided with groove, holds one end of pin in described groove, the other end of described pin is contained in the cotter way of attached body.
4. belt corner regulating wheel according to claim 3, it is characterised in that circumferentially arranged with multiple second flat key grooves on the centre bore of described power transmission shaft, in a described flat key described second flat key groove contained therein.
5. belt corner regulating wheel according to claim 1, it is characterised in that on described helicla flute, the one end near attached body connects with the end face of power transmission shaft.
6. belt corner regulating wheel according to claim 1, it is characterised in that be folded with thrust bearing between described fixing axle and described swing component.
7. belt corner regulating wheel according to claim 1, it is characterised in that the described spiral fluted anglec of rotation is 90 °.
8. belt corner regulating wheel according to claim 1, it is characterised in that be provided with axle bumper groove in the end of described roller installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189658.1A CN103939543B (en) | 2014-05-07 | 2014-05-07 | A kind of belt corner regulating wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189658.1A CN103939543B (en) | 2014-05-07 | 2014-05-07 | A kind of belt corner regulating wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939543A CN103939543A (en) | 2014-07-23 |
| CN103939543B true CN103939543B (en) | 2016-06-29 |
Family
ID=51187356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189658.1A Active CN103939543B (en) | 2014-05-07 | 2014-05-07 | A kind of belt corner regulating wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939543B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567912A (en) * | 2016-11-07 | 2017-04-19 | 中国电子科技集团公司第四十八研究所 | Belt transmission device for flat PECVD devices |
| CN108361332B (en) * | 2018-04-20 | 2024-05-07 | 上海贝序汽车科技有限公司 | Leaf spring type belt tensioning wheel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4015027A1 (en) * | 1990-05-10 | 1991-11-14 | Skf Gmbh | Belt tensioning device - has roller mounted on end of spring-loaded arm |
| CN203796876U (en) * | 2014-05-07 | 2014-08-27 | 广西玉柴机器股份有限公司 | Belt rotating angle tensioning wheel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10217396A1 (en) * | 2002-04-18 | 2003-10-30 | Ina Schaeffler Kg | jig |
| JP2008032043A (en) * | 2006-07-26 | 2008-02-14 | Daido Kogyo Co Ltd | Mechanical tensioner device for pushing down |
| JP2011149468A (en) * | 2010-01-20 | 2011-08-04 | Ntn Corp | Chain tensioner |
-
2014
- 2014-05-07 CN CN201410189658.1A patent/CN103939543B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4015027A1 (en) * | 1990-05-10 | 1991-11-14 | Skf Gmbh | Belt tensioning device - has roller mounted on end of spring-loaded arm |
| CN203796876U (en) * | 2014-05-07 | 2014-08-27 | 广西玉柴机器股份有限公司 | Belt rotating angle tensioning wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939543A (en) | 2014-07-23 |
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| C14 | Grant of patent or utility model | ||
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