CN103939543A - Belt corner tensioning wheel - Google Patents
Belt corner tensioning wheel Download PDFInfo
- Publication number
- CN103939543A CN103939543A CN201410189658.1A CN201410189658A CN103939543A CN 103939543 A CN103939543 A CN 103939543A CN 201410189658 A CN201410189658 A CN 201410189658A CN 103939543 A CN103939543 A CN 103939543A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- flat key
- idle wheel
- stationary axle
- belt corner
- 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.)
- Granted
Links
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
-
- 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
Abstract
The invention discloses a belt corner tensioning wheel which comprises a fixing shaft, a transmission shaft and a swinging piece. The fixing shaft is used for being fixedly connected with an installed body, a first flat key groove is formed in the fixing shaft, and parts of flat keys are contained in the first flat key groove; a second flat key groove is formed in a center hole of the transmission shaft, the other parts of the flat keys are contained in the second flat key groove, and the end, far away from the installed body, of the fixing shaft is provided with a nut for preventing the transmission shaft from being disengaged from the fixing shaft; the outer circumferential face of the transmission shaft is provided with spiral grooves extending in circumferential direction; a center hole is formed in the center of the swinging piece, a roller installation hole is formed in the bottom of the swinging piece, the axis of the roller installation hole is perpendicular to the axis of the center hole, the transmission shaft is contained in the center hole of the swinging piece, and rollers are installed in space formed by the roller installation hole and the spiral grooves. By means of the belt corner tensioning wheel, the spiral grooves in the transmission shaft are matched with the rollers to achieve belt corner tensioning, device miniaturization is achieved through the structure, and meanwhile large tensioning force can be output.
Description
Technical field
The present invention relates to engine art, particularly a kind of belt corner Idle wheel.
Background technique
Tension pulley is the common part of diesel engine, the tension pulley of prior art adopts scrollwork flat spring conventionally, torsion springs etc. are done energy-storage travelling wave tube, by the rotation of the swing arm that is connected with energy-storage travelling wave tube, realize the tensioning of belt, the common volume of tension pulley of such structure is larger, is unfavorable for installing in small space.If the active force of energy-storage travelling wave tube is less while dwindling the tension pulley of such structure, less to the energy storage compensating action of belt tension; And an Idle wheel is only suitable for being arranged on an installation site that is mounted body, so just need to design different special toolings for the different bodies that is mounted, so Idle wheel is poor for applicability.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of belt corner Idle wheel, thereby overcome maintenance rate and the higher defect of turnover rate that tension pulley adopts the energy-storage travelling wave tubes such as flat spring, torsion spring.
Another object of the present invention is to provide a kind of belt corner Idle wheel, thereby overcome the defect poor for applicability of tension pulley.
For achieving the above object, the invention provides a kind of belt corner Idle wheel, comprising: stationary axle, it is for being fixedly connected with being mounted body, and stationary axle is provided with the first flat key groove, accommodates a part for flat key in the first flat key groove; Transmission shaft, its center hole 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 being mounted body of stationary axle is provided with the nut for preventing that transmission shaft from deviating from from stationary axle; The outer peripheral surface of transmission shaft is provided with the spiral chute extending along circumferentially; And swing part, the center of swing part is provided with center hole, and the bottom of swing part is provided with roller mounting hole, and the axis of roller mounting hole is vertical with the axis of center hole, transmission shaft is contained in the center hole of swing part, in the space that roller mounting hole and spiral chute form, roller is installed.
Preferably, in technique scheme, between transmission shaft and nut, be folded with butterfly spring.
Preferably, in technique scheme, stationary axle is provided with groove, holds one end of pin in groove, and the other end of pin is contained in the cotter way that is mounted body.
Preferably, in technique scheme, on the center hole of transmission shaft, along being circumferentially with a plurality of the second flat key grooves, flat key is contained in one of them second flat key groove.
Preferably, in technique scheme, on spiral chute near being mounted one end of body and the end face of transmission shaft is communicated with.
Preferably, in technique scheme, between stationary axle and swing part, be folded with thrust-bearing.
Preferably, in technique scheme, spiral fluted angle of swing is 90 °
Preferably, in technique scheme, in the end of roller mounting hole, be provided with axle bumper groove.
Compared with prior art, the present invention has following beneficial effect:
The present invention utilizes the spiral chute axially movable swing part that simultaneously drives on stationary axle on transmission shaft to swing, realize the corner tensioning of belt, such structure is convenient to equipment miniaturization, and the assembling difficulty of each component is lower, can export larger tension force simultaneously; A plurality of slotted eyes on splined hole on transmission shaft can be the mounting points that belt corner Idle wheel provides a plurality of angles, facilitate the complete machine of diesel engine supporting; On spiral chute on transmission shaft, near the one end that is mounted body, can be communicated with the end face of transmission shaft, facilitate the installation of swing part; Because butterfly spring size is less, and elastic force is larger, and the trace that can in use produce belt extends the effect of playing energy storage compensation.
Accompanying drawing explanation
Fig. 1 is according to the erection drawing of belt corner Idle wheel of the present invention.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the sectional view according to stationary axle of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the sectional view according to swing part of the present invention.
Fig. 6 is the right elevation of Fig. 5.
Fig. 7 is the sectional view according to transmission shaft of the present invention.
Fig. 8 is the right elevation of Fig. 7.
Fig. 9 is according to the structural drawing of butterfly spring of the present invention and nut.
Figure 10 is the structural drawing according to screw of the present invention.
Figure 11 is the structural drawing according to roller of the present invention.
Figure 12 is the structural drawing according to pin of the present invention.
Figure 13 is according to the erection drawing of belt corner Idle wheel of the present invention and belt.
Main description of reference numerals:
1-stationary axle, 101-flat key groove, 102-the first screw section, 103-screw mounting hole, 104-groove, 2-swing part, 21-center hole, 22-axle bumper groove, 23-roller mounting hole, 3-transmission shaft, 31-spiral chute, 32-splined hole, 4-butterfly spring, 5-nut, 6-screw, 61-the second screw section.7-roller, 8-thrust-bearing, 9-pin, 10-axle bumper, 11-flat key, 12-O type circle, 13-roller.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1, 2, according to the belt corner Idle wheel of the specific embodiment of the invention, comprise stationary axle 1, transmission shaft 3 and swing part 2, stationary axle 1 fixedly mounts with being mounted body (as gear chamber cover), and the swing of swing part 2 makes the roller roll extrusion belt of belt pulley, realizes and opens.
As shown in Figure 3-4, stationary axle 1 is provided with step surface, and the center of stationary axle 1 is provided with screw mounting hole 103, and the end face of the large end of stationary axle 1 is provided with groove 104, the outer surface of the small end of stationary axle 1 is provided with flat key groove 101, and the end of the small end of stationary axle 1 is provided with the first screw section 102.
As shown in Fig. 5-6, swing part is provided with center hole 21, in the lower end of swing part 2, is provided with roller mounting hole 23, and the axis of roller mounting hole 23 is vertical with the axis of center hole 21, in the end of roller mounting hole 23, is provided with axle bumper groove 22.
As Figure 7-8, the center of transmission shaft 3 is provided with splined hole 32, and the external peripheral surface of transmission shaft 3 is provided with the spiral chute 31 circumferentially extending along it.Preferably, on spiral chute 31, near the one end that is mounted body, can be communicated with the end face of transmission shaft 3, there is spacing in conveniently installation, and the other end of spiral chute 31 and the corresponding end-faces of transmission shaft.Preferably, the angle of swing of spiral chute 31 is approximately 90 °.As shown in figure 10, the end of screw 6 is provided with the second screw section 61.
As shown in Figure 1-2, screw 6 is arranged in the screw mounting hole 103 of stationary axle 1, and pin 9 is arranged on the groove 104 of stationary axle 1 and is mounted in the space of the cotter way formation on body, stationary axle 1 is positioned at and is mounted on body.The second screw section of screw 6 is threaded with being mounted body, stationary axle 1 is fixed on and is mounted on body.Flat key 11 is arranged in the space that slotted eye of the flat key groove 101 of stationary axle 1 and the splined hole 32 of transmission shaft 3 forms, and makes stationary axle 1 and transmission shaft 3 location (as shown in Figure 2).Transmission shaft 2 is contained in the center hole 21 of swing part 2, and is folded with thrust-bearing 8 between swing part 2 and the step surface of stationary axle 1, and swing part 2 can be rotated with respect to stationary axle 1.Roller 7 is arranged in the space of the roller mounting hole 23 of swing part 2 and 31 formation of the spiral chute of transmission shaft 3, and roller 7 can be moved in spiral chute 31, thereby drives swing part 2 to swing.The interior installation axle bumper 10 of axle bumper groove 22 of the end of roller mounting hole 23.Nut 5 is threaded with the first screw section 102 of stationary axle 1, sandwiched butterfly spring 4 and O type circle 12 between transmission shaft 3 and nut 5, and O type circle 12 forms dustproof chamber with 8 pairs of transmission shafts of thrust-bearing 3.
As shown in figure 13, the roller 13 of belt corner Idle wheel is resisted against on belt, while needing tightening belt, rotating nut 5, nut 5 is relatively moved on the first screw section 102, and then makes transmission shaft 3 axially movable while under the promotion of butterfly spring 4, roller 7 drive swing parts 2 in spiral chute 31 with respect to stationary axle 1 be mounted body and rotate, the position of the roller 13 that has changed belt corner Idle wheel on belt, realizes the tensioning of belt.
The present invention utilizes the spiral chute axially movable swing part that simultaneously drives on stationary axle on transmission shaft to swing, realize the corner tensioning of belt, such structure is convenient to equipment miniaturization, and the assembling difficulty of each component is lower, can export larger tension force simultaneously; A plurality of slotted eyes on splined hole on transmission shaft can be the mounting points that belt corner Idle wheel provides a plurality of angles, facilitate the complete machine of diesel engine supporting; On spiral chute on transmission shaft, near the one end that is mounted body, can be communicated with the end face of transmission shaft, facilitate the installation of swing part; Because butterfly spring size is less, and elastic force is larger, and the trace that can in use produce belt extends the effect of playing energy storage compensation.
The aforementioned description to concrete exemplary of the present invention is for the object with illustration is described.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (8)
1. a belt corner Idle wheel, is characterized in that, comprising:
Stationary axle, it is for being fixedly connected with being mounted body, and described stationary axle is provided with the first flat key groove, accommodates a part for flat key in described the first flat key groove;
Transmission shaft, its center hole is provided with the second flat key groove, and another part of described flat key is contained in described the second flat key groove, and one end away from being mounted body of described stationary axle is provided with the nut for preventing that described transmission shaft from deviating from from described stationary axle; The outer peripheral surface of described transmission shaft is provided with the spiral chute extending along circumferentially; And
Swing part, the center of described swing part is provided with center hole, the bottom of described swing part is provided with roller mounting hole, the axis of described roller mounting hole is vertical with the axis of described center hole, described transmission shaft is contained in the center hole of described swing part, in the space that described roller mounting hole and described spiral chute form, roller is installed.
2. belt corner Idle wheel according to claim 1, is characterized in that, between described transmission shaft and described nut, is folded with butterfly spring.
3. belt corner Idle wheel according to claim 1 and 2, is characterized in that, described stationary axle is provided with groove, holds one end of pin in described groove, and the other end of described pin is contained in the cotter way that is mounted body.
4. belt corner Idle wheel according to claim 3, is characterized in that, on the center hole of described transmission shaft, along being circumferentially with a plurality of the second flat key grooves, described flat key is contained in described in one of them in the second flat key groove.
5. belt corner Idle wheel according to claim 1, is characterized in that, on described spiral chute near being mounted one end of body and the end face of transmission shaft is communicated with.
6. belt corner Idle wheel according to claim 1, is characterized in that, between described stationary axle and described swing part, is folded with thrust-bearing.
7. belt corner Idle wheel according to claim 1, is characterized in that, described spiral fluted angle of swing is 90 °.
8. belt corner Idle wheel according to claim 1, is characterized in that, in the end of described roller mounting hole, is provided with axle bumper groove.
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 true CN103939543A (en) | 2014-07-23 |
| CN103939543B 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) |
Cited By (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 |
| CN108361332A (en) * | 2018-04-20 | 2018-08-03 | 上海贝序汽车科技有限公司 | A kind of flat spring formula tension pulley |
Citations (5)
| 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 |
| WO2003087625A1 (en) * | 2002-04-18 | 2003-10-23 | Ina-Schaeffler Kg | Clamping device |
| 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 |
| 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 |
-
2014
- 2014-05-07 CN CN201410189658.1A patent/CN103939543B/en active Active
Patent Citations (5)
| 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 |
| WO2003087625A1 (en) * | 2002-04-18 | 2003-10-23 | Ina-Schaeffler Kg | Clamping device |
| 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 |
| 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 |
Cited By (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 |
| CN108361332A (en) * | 2018-04-20 | 2018-08-03 | 上海贝序汽车科技有限公司 | A kind of flat spring formula tension pulley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939543B (en) | 2016-06-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |