CN104613141A - Belt transmission device with tensioning function - Google Patents
Belt transmission device with tensioning function Download PDFInfo
- Publication number
- CN104613141A CN104613141A CN201510039811.7A CN201510039811A CN104613141A CN 104613141 A CN104613141 A CN 104613141A CN 201510039811 A CN201510039811 A CN 201510039811A CN 104613141 A CN104613141 A CN 104613141A
- Authority
- CN
- China
- Prior art keywords
- shaft
- driving wheel
- eccentric
- tensioning
- drive unit
- 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
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
-
- 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
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
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- 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 provides a belt transmission device with the tensioning function. The belt transmission device is provided with a driving shaft, a driving wheel, a driven shaft and a driven wheel. A transmission disk is arranged between the driving shaft and the driving wheel. The driving shaft is fixedly sleeved with the shaft sleeving portion at the front end of the transmission disk. The shaft sleeving portion is sleeved with a driving wheel bearing. The driving wheel bearing is fixedly sleeved with the front section of the driving wheel. The periphery face of the annular lug portion at the rear end of the transmission disk is sleeved with a clutch device capable of expanding in the radial direction. The clutch device is located in the annular portion on the rear section of the driving wheel. An end cover is arranged on the outer side of the rear end of the clutch device and is fixedly connected with the transmission disk through a screw. When the clutch device expands outwards, the outer side face of the clutch device can make contact with the annular portion of the driving wheel. In addition, an eccentric annular base is arranged and is the same as the driven shaft in axial direction. The eccentric annular base can be rotationally arranged on an annular base arranged at one end of a shell. A cut-through eccentric shaft tunnel is formed in the eccentric annular base in the axial direction. The rear section of the driven shaft is embedded in the eccentric shaft tunnel. A driven wheel bearing on the outer side of the eccentric annular base is fixed to the inner wall of the eccentric shaft tunnel.
Description
Technical field
The present invention relates to a kind of belt drive unit, especially a kind of belt drive unit with tensioning.
Background technique
At present, known belt transmission is made up of driving wheel, follower, belt, Idle wheel or tension device dedicated.In whole belt drive system, no matter adopting Idle wheel tensioning or proprietary tension device (for changing distance between shafts) tensioning, all there is complex structure, volume is large, the shortcoming of Heavy Weight; In addition, after a shutdown, when again starting, also need tension device to unclamp, could power engine be started, for the equipment needing frequent starting, operate too loaded down with trivial details, easily break down.
In view of this, the present inventor, according to the Production design experience being engaged in related domain and association area for many years, develops a kind of belt drive unit with tensioning, to solving prior art Problems existing.
Summary of the invention
The object of the invention is to be to provide a kind of belt drive unit with tensioning, lightweight, compact structure, carrying out tensioning operation without the need to shutting down, overcoming the defect of prior art.
For this reason, the present invention proposes a kind of belt drive unit with tensioning, it is provided with a driving shaft, one driving wheel, one driven shaft and a follower, described driving wheel and follower are positioned in a housing, its leading portion is set on described driving shaft, on the sheathed leading portion being fixed on described driven shaft of described follower, the back segment of described driven shaft is sheathed is fixed with follower bearing, connected by drivign belt between described driving wheel and follower, wherein, a drive plate is provided with between described driving shaft and described driving wheel, the shaft sleeve part of described drive plate front end is sheathed to be fixed on described driving shaft, the outside of described shaft sleeve part is arranged with drive wheel bearing, the leading portion of described driving wheel is sheathed to be fixed on described drive wheel bearing, the outer circumferential face of the ring ear of described drive plate rear end is arranged with an engaging and disengaging gear that can radially expand, described engaging and disengaging gear is positioned at the ring portion of described driving wheel back segment, one end cap is arranged on outside the rear end of described engaging and disengaging gear, and be connected and fixed by screw and described drive plate, when described engaging and disengaging gear expands outwardly, its outer side surface can contact with the ring portion of described driving wheel,
Separately be provided with an eccentric ring seat, described eccentric ring seat is identical with the axis of described driven shaft, what it can rotate be arranged on annular base body place that described shell one end arranges, it is provided with a through eccentric axle track vertically, the back segment of described driven shaft is embedded in described eccentric axle track, described follower bearing outside it and the inwall of described eccentric axle track fix, and are formed with a throw of eccentric between the axle center of described driven shaft and the axle center of described eccentric axle track.
The belt drive unit of band tensioning as above, wherein, the center of described ring ear exterior edge face is provided with a pressure cap, and a pin for suppressing metal is arranged in the center of described pressure cap and ring ear, and is spirally connected fixing with described driving shaft.
The belt drive unit of band tensioning as above, wherein, one end of described eccentric ring seat protrudes from described annular base body, and is connected with one handle.
The belt drive unit of band tensioning as above, wherein, described engaging and disengaging gear includes the driven disc of at least two fan annulars, each described driven disc is circumferentially set in described ring ear successively, and form a loop configuration, be connected by spring between described driven disc, described drive plate is provided with a rubber layer at the outer side surface relative with described ring portion.
The belt drive unit of band tensioning as above, wherein, the surface of described driven disc is circumferentially arranged with caulking groove, and the caulking groove of each described driven disc encloses formation one annular groove, is embedded with spring described in described annular groove, and described spring is an annular spring.
The belt drive unit of band tensioning as above, wherein, described engaging and disengaging gear includes four described driven discs, and each described driven disc is set in described ring ear successively, and forms loop configuration described in.
The belt drive unit of band tensioning as above, wherein, the outer ledge connecting part between adjacent described driven disc is formed with a recess, and the outer side surface of the ring ear of described drive plate is convexly equipped with the locating column matched with described recess shape vertically.
The belt drive unit of band tensioning as above, wherein, described screw is arranged in described end cap, and with described locating column bolt.
The belt drive unit of band tensioning provided by the invention, driving wheel and driving shaft are not adopt directly to be connected, but driving wheel is fixed on drive plate by drive wheel bearing, and drive plate is connected with driving shaft, and drive plate is connected with an engaging and disengaging gear simultaneously, after drive plate is with the rotational velocity arrival certain speed of driving shaft, engaging and disengaging gear expands outwardly by centrifugal force and contacts with driving wheel, drive driving wheel to rotate by frictional force, driving wheel drives follower to rotate by drivign belt then; Because follower bearing does not have on direct holder housing, and be mounted in an eccentric ring seat, when needs tightening belt, only need the rotating speed reducing driving shaft, make engaging and disengaging gear depart from the contact with driving wheel, and then follower and driven shaft are quit work, rotate eccentric ring seat by the handle in eccentric ring seat again, utilize the eccentric structure feature of eccentric ring seat, the position of adjustment driven shaft, and then the distance changed between driving wheel and follower, realize tensioning function.
In a word, the belt drive unit of band tensioning provided by the invention, lightweight, compact structure, carrying out tensioning operation without the need to shutting down, also not needing frequent starting power engine, to belt speedup, can realize the non-loaded startup of power engine low speed.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the schematic front view of the belt drive unit of band tensioning of the present invention.
Fig. 2 is the composition structural representation of the belt drive unit of band tensioning of the present invention.
Fig. 3 is the floor map of driving shaft and shaft portion in the present invention, not shown end cap.
Fig. 4 is the sectional view along A-A line in Fig. 3.
Fig. 5 is the floor map of engaging and disengaging gear in the present invention, schematically shows part annular spring in figure.
Fig. 6 is the sectional view of engaging and disengaging gear in the present invention, not shown spring.
Primary component label declaration:
100 belt drive units
11 driving shaft 12 driving wheels
120 ring portion 13 driven shafts
131 follower bearing 14 followers
15 housing 151 annular base body
16 drivign belts
2 drive plate 21 shaft sleeve part
22 ring ear 221 locating columns
23 end cap 24 screws
25 pressure cap 26 pins for suppressing metal
3 drive wheel bearing 4 engaging and disengaging gear
41 driven disc 410 annular grooves
411 caulking groove 412 recesses
42 spring 43 rubber layers
The eccentric axle track of 5 eccentric ring seat 50
51 handles
Embodiment
The present invention proposes a kind of belt drive unit with tensioning, it is provided with a driving shaft, one driving wheel, one driven shaft and a follower, described driving wheel and follower are positioned in a housing, its leading portion is set on described driving shaft, on the sheathed leading portion being fixed on described driven shaft of described follower, connected by drivign belt between described driving wheel and follower, it is characterized in that, a drive plate is provided with between described driving shaft and described driving wheel, the shaft sleeve part of described drive plate front end is sheathed to be fixed on described driving shaft, the outside of described shaft sleeve part is arranged with drive wheel bearing, the leading portion of described driving wheel is sheathed to be fixed on described drive wheel bearing, the outer circumferential face of the ring ear of described drive plate rear end is arranged with an engaging and disengaging gear that can radially expand, described engaging and disengaging gear is positioned at the ring portion of described driving wheel back segment, one end cap is arranged on outside the rear end of described engaging and disengaging gear, and be connected and fixed by screw and described drive plate, when described engaging and disengaging gear expands outwardly, its outer side surface can contact with the ring portion of described driving wheel,
Separately be provided with an eccentric ring seat, described eccentric ring seat is identical with the axis of described driven shaft, what it can rotate be arranged on annular base body place that described shell one end arranges, it is provided with a through eccentric axle track vertically, the back segment of described driven shaft is embedded in the eccentric axle track of described eccentric ring seat, sheathedly outside it be fixed with follower bearing, the inwall of described follower bearing and described eccentric axle track fixes, and is formed with a throw of eccentric between the axle center of described driven shaft and the axle center of described eccentric axle track.
The belt drive unit of band tensioning provided by the invention, lightweight, compact structure, carrying out tensioning operation without the need to shutting down, also not needing frequent starting power engine, to belt speedup, can realize the non-loaded startup of power engine low speed.
In order to there be understanding clearly to technical characteristics of the present invention, object and effect, below in conjunction with accompanying drawing and preferred embodiment, to the embodiment of belt drive unit of the band tensioning that the present invention proposes, structure, feature and effect, be described in detail as follows.In addition, by the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect are goed deep into concrete understanding more, but institute's accompanying drawing be only to provide with reference to and use is described, is not used for being limited the present invention.
Fig. 1 is the schematic front view of the belt drive unit of band tensioning of the present invention.Fig. 2 is the composition structural representation of the belt drive unit of band tensioning of the present invention.Fig. 3 is the floor map of driving shaft and shaft portion in the present invention, not shown end cap.Fig. 4 is the sectional view along A-A line in Fig. 3.Fig. 5 is the floor map of engaging and disengaging gear in the present invention, schematically shows part annular spring in figure.Fig. 6 is the sectional view of engaging and disengaging gear in the present invention, not shown spring.
As shown in Figure 1 and Figure 2, the belt drive unit of the band tensioning that the present invention proposes, described belt drive unit 100 is provided with driving shaft 11, driving wheel 12, driven shaft 13 and a follower 14, described driving wheel 11 and follower 14 are positioned in a housing 15, its leading portion is set on described driving shaft 11, on the sheathed leading portion being fixed on described driven shaft 13 of described follower 14, the back segment of described driven shaft 13 is sheathed is fixed with follower bearing 131, connected by drivign belt 16 between described driving wheel 12 and follower 14, wherein:
Please also refer to Fig. 3 and Fig. 4, a drive plate 2 is provided with between described driving shaft 11 and described driving wheel 12, the shaft sleeve part 21 of described drive plate 2 front end is sheathed to be fixed on described driving shaft 11, the outside of described shaft sleeve part 21 is arranged with drive wheel bearing 31, the leading portion of described driving wheel 12 is sheathed to be fixed on described drive wheel bearing 31, the outer circumferential face of the ring ear 22 of described drive plate 2 rear end is arranged with an engaging and disengaging gear that can radially expand 4, described engaging and disengaging gear 4 is positioned at the ring portion 120 of described driving wheel 12 back segment, one end cap 23 is arranged on outside the rear end of described engaging and disengaging gear 4, and be connected and fixed by screw 24 and described drive plate 2, when described engaging and disengaging gear 4 expands outwardly, its outer side surface can contact with the ring portion 120 of described driving wheel 12,
Separately be provided with an eccentric ring seat 5, described eccentric ring seat 5 is identical with the axis of described driven shaft 13, what it can rotate be positioned over annular base body 151 place that described housing 15 one end arranges, it is provided with a through eccentric axle track 50 vertically, the back segment of described driven shaft 14 is embedded in described eccentric axle track 50, described follower bearing 131 outside it fixes with the inwall of described eccentric axle track 50, is formed with an eccentric distance e between the axle center of described driven shaft 13 and the axle center of described eccentric axle track 50.Wherein, for above-mentioned driving shaft 11, driving wheel 12, driven shaft 13, follower 14 and drive plate 2 etc., its structure is prior art, does not repeat at this.
The belt of band tensioning provided by the invention and transmission device, driving wheel 12 and driving shaft 11 are not adopt directly to be connected, but driving wheel 12 is fixed on drive plate 2 by drive wheel bearing 31, and drive plate 2 is connected with driving shaft 11, and drive plate 2 is connected with an engaging and disengaging gear 4 simultaneously, after drive plate 2 is with the rotational velocity arrival certain speed of driving shaft 11, engaging and disengaging gear 4 expands outwardly by centrifugal force and contacts with driving wheel 12, drive driving wheel 12 to rotate by frictional force, driving wheel 12 drives follower 14 to rotate by drivign belt 16 then, because follower bearing 131 does not have on direct holder housing 4, and be mounted in an eccentric ring seat 5, when needs tightening belt, only need the rotating speed reducing driving shaft 11, engaging and disengaging gear 3 is made to depart from the contact with driving wheel 12, and then follower and driven shaft are quit work, eccentric ring seat is rotated again by the handle in eccentric ring seat, utilize the eccentric structure feature of eccentric ring seat, the position of adjustment driven shaft 13, change the distance between driving wheel 12 and follower 14, realize tensioning function, without the need to shutting down operation, do not need frequent starting power engine can to belt speedup, the non-loaded startup of power engine low speed can be realized.
Wherein, the center of described ring ear 22 exterior edge face is provided with the center that pressure cap 25, pin for suppressing metal 26 is arranged in described pressure cap 25 and ring ear 22, and is spirally connected fixing with described driving shaft 11.In addition, one end of described eccentric ring seat 5 protrudes from described annular base body 151, and is connected with one handle 51, by gripping handle 51, can rotate described eccentric ring seat very easily.
Please also refer to Fig. 5, described engaging and disengaging gear 4 includes the driven disc 41 of at least two fan annulars, each described driven disc 41 is circumferentially set in described ring ear 22 successively, and form a loop configuration, be connected by spring 42 between described driven disc 41, described drive plate 41 is provided with a rubber layer 43 at the outer side surface relative with described ring portion 120, and this rubber layer is arranged on described drive plate by the mode of sulfuration.For the quantity of this drive plate, do not do concrete restriction at this, can select according to actual conditions, such as arrange two, three ... etc., certainly, the quantity of described drive plate 41 is fewer, is more convenient to assembling, such as, when the quantity of described drive plate is two, be then semicircular configuration, can directly two semiorbicular drive plates be set in described ring ear, be convenient to install.
Preferably, the surface of described driven disc 41 is circumferentially arranged with caulking groove 411, and the caulking groove 411 of each described driven disc 41 encloses formation one annular groove 410, is embedded with spring 42 described in described annular groove 410, and described spring 42 is an annular spring.In the structure shown in Fig. 6, be formed with an annular groove respectively in the both ends of the surface of this engaging and disengaging gear 4, and correspondence is embedded an annular spring, improves the stability connected.
Wherein, preferred described engaging and disengaging gear 4 includes four described driven discs 41, and each described driven disc 41 is set in described ring ear 22 successively, and forms loop configuration described in.
In illustrated schematic structure, the outer ledge connecting part preferably between adjacent described driven disc 41 is formed with a recess 412, and the outer side surface of the ring ear 22 of described drive plate 2 is convexly equipped with the locating column 221 with described recess 412 mating shapes vertically.Wherein, described screw 24 is arranged in described end cap 23, and is connected with described locating column 221.
Refer to Fig. 1-Fig. 6, the belt drive unit of band tensioning provided by the invention, its specific works process is as follows:
When normally working, driving shaft 11 low speed start drive drive wheel 2 to rotate in advance, engaging and disengaging gear 4 is driven to rotate by the ring ear 22 of driving wheel 2, owing to not being adopt directly to be connected when driving wheel 12 and driving shaft 11, but driving wheel 12 is fixed on drive plate 2 by drive wheel bearing 31, when the rotational velocity of drive plate 2 with driving shaft 11 improves constantly, and after arriving certain speed, engaging and disengaging gear 4 expands outwardly by centrifugal force, 42, spring is made to be in the state of being stretched, and the rubber layer 411 of driven disc 41 contacts with the inner side surface of the ring portion 120 of driving wheel 12, and drive driving wheel 12 to rotate by frictional force, driving wheel 12 drives follower 14 to rotate by drivign belt 16 then, thus carry out transmission work, ,
When needs tensioning drivign belt, first the rotational velocity of driving shaft 11 is reduced, drive plate 41 speed with nutating disk 2 and engaging and disengaging gear 4 reduces, and each drive plate 41 of engaging and disengaging gear 4, retract under the effect of the back stretch of spring 42, and depart from the frictional contact conditions with the ring portion 120 of driving wheel 12, thus driving wheel 12 is run out of steam and stall gradually, then drive follower 14 and driven shaft 13 stall; Subsequently; the handle 51 gripped in eccentric ring seat 5 rotates eccentric ring seat; utilize the eccentric structure feature of eccentric ring seat 51; change the shaft core position of driven shaft 13; and then the distance changed between driving wheel 12 and follower 14; realize tensioning function; after completing tensioning operation; again can improve the rotational velocity of driving shaft 11, and by aforementioned process, again drive follower 14 and driven shaft 13 to rotate; tensioning operation is carried out without the need to shutting down; do not need frequent starting power engine, to belt speedup, the non-loaded startup of power engine low speed can be realized yet.
The belt drive unit of band tensioning provided by the invention, lightweight, compact structure, carrying out tensioning operation without the need to shutting down, also not needing frequent starting power engine, to belt speedup, can realize the non-loaded startup of power engine low speed.
The foregoing is only the schematic embodiment of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (8)
1. the belt drive unit with tensioning, described belt drive unit is provided with a driving shaft, one driving wheel, one driven shaft and a follower, described driving wheel and follower are positioned in a housing, its leading portion is set on described driving shaft, on the sheathed leading portion being fixed on described driven shaft of described follower, the back segment of described driven shaft is sheathed is fixed with follower bearing, connected by drivign belt between described driving wheel and follower, it is characterized in that, a drive plate is provided with between described driving shaft and described driving wheel, the shaft sleeve part of described drive plate front end is sheathed to be fixed on described driving shaft, the outside of described shaft sleeve part is arranged with drive wheel bearing, the leading portion of described driving wheel is sheathed to be fixed on described drive wheel bearing, the outer circumferential face of the ring ear of described drive plate rear end is arranged with an engaging and disengaging gear that can radially expand, described engaging and disengaging gear is positioned at the ring portion of described driving wheel back segment, one end cap is arranged on outside the rear end of described engaging and disengaging gear, and be connected and fixed by screw and described drive plate, when described engaging and disengaging gear expands outwardly, its outer side surface can contact with the ring portion of described driving wheel,
Separately be provided with an eccentric ring seat, described eccentric ring seat is identical with the axis of described driven shaft, what it can rotate be arranged on annular base body place that described shell one end arranges, it is provided with a through eccentric axle track vertically, the back segment of described driven shaft is embedded in described eccentric axle track, described follower bearing outside it and the inwall of described eccentric axle track fix, and are formed with a throw of eccentric between the axle center of described driven shaft and the axle center of described eccentric axle track.
2. the belt drive unit of band as claimed in claim 1 tensioning, it is characterized in that, the center of described ring ear exterior edge face is provided with a pressure cap, and a pin for suppressing metal is arranged in the center of described pressure cap and ring ear, and is spirally connected fixing with described driving shaft.
3. the belt drive unit of band as claimed in claim 2 tensioning, it is characterized in that, one end of described eccentric ring seat protrudes from described annular base body, and is connected with one handle.
4. the belt drive unit of the band tensioning as described in any one of claims 1 to 3, it is characterized in that, described engaging and disengaging gear includes the driven disc of at least two fan annulars, each described driven disc is circumferentially set in described ring ear successively, and form a loop configuration, be connected by spring between described driven disc, described drive plate is provided with a rubber layer at the outer side surface relative with described ring portion.
5. the belt drive unit of band as claimed in claim 4 tensioning, it is characterized in that, the surface of described driven disc is circumferentially arranged with caulking groove, and the caulking groove of each described driven disc encloses formation one annular groove, be embedded with spring described in described annular groove, described spring is an annular spring.
6. the belt drive unit of band as claimed in claim 5 tensioning, it is characterized in that, described engaging and disengaging gear includes four described driven discs, and each described driven disc is set in described ring ear successively, and forms loop configuration described in.
7. the belt drive unit of the band tensioning as described in claim 5 or 6, it is characterized in that, outer ledge connecting part between adjacent described driven disc is formed with a recess, and the outer side surface of the ring ear of described drive plate is convexly equipped with the locating column matched with described recess shape vertically.
8. the belt drive unit of band as claimed in claim 7 tensioning, it is characterized in that, described screw is arranged in described end cap, and with described locating column bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039811.7A CN104613141B (en) | 2015-01-27 | 2015-01-27 | A kind of belt drive unit with tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039811.7A CN104613141B (en) | 2015-01-27 | 2015-01-27 | A kind of belt drive unit with tensioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613141A true CN104613141A (en) | 2015-05-13 |
| CN104613141B CN104613141B (en) | 2017-07-07 |
Family
ID=53147735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039811.7A Active CN104613141B (en) | 2015-01-27 | 2015-01-27 | A kind of belt drive unit with tensioning |
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| Country | Link |
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| CN (1) | CN104613141B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056290A1 (en) * | 2017-09-22 | 2019-03-28 | 深圳市比思维科技有限公司 | Belt drive tensioning apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5752892A (en) * | 1995-05-16 | 1998-05-19 | Kioritz Corporation | Driving force transmission device and portable working machine using the same |
| US20060217221A1 (en) * | 2005-03-28 | 2006-09-28 | The Secretary Of The Army | Eccentric mounting and adjustment system for belt driven devices |
| US20070151378A1 (en) * | 2005-10-26 | 2007-07-05 | Helmut Bareis | Power-steering system |
| CN204114037U (en) * | 2014-09-16 | 2015-01-21 | 侯庆国 | A kind of rock-core borer transfer device |
| CN204533393U (en) * | 2015-01-27 | 2015-08-05 | 中国石油天然气集团公司 | A kind of belt drive unit with tensioning |
-
2015
- 2015-01-27 CN CN201510039811.7A patent/CN104613141B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5752892A (en) * | 1995-05-16 | 1998-05-19 | Kioritz Corporation | Driving force transmission device and portable working machine using the same |
| US20060217221A1 (en) * | 2005-03-28 | 2006-09-28 | The Secretary Of The Army | Eccentric mounting and adjustment system for belt driven devices |
| US20070151378A1 (en) * | 2005-10-26 | 2007-07-05 | Helmut Bareis | Power-steering system |
| CN204114037U (en) * | 2014-09-16 | 2015-01-21 | 侯庆国 | A kind of rock-core borer transfer device |
| CN204533393U (en) * | 2015-01-27 | 2015-08-05 | 中国石油天然气集团公司 | A kind of belt drive unit with tensioning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056290A1 (en) * | 2017-09-22 | 2019-03-28 | 深圳市比思维科技有限公司 | Belt drive tensioning apparatus |
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| Publication number | Publication date |
|---|---|
| CN104613141B (en) | 2017-07-07 |
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