CN203822904U - Wedge block-type overrunning clutch used for loading machine - Google Patents
Wedge block-type overrunning clutch used for loading machine Download PDFInfo
- Publication number
- CN203822904U CN203822904U CN201420215522.9U CN201420215522U CN203822904U CN 203822904 U CN203822904 U CN 203822904U CN 201420215522 U CN201420215522 U CN 201420215522U CN 203822904 U CN203822904 U CN 203822904U
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- CN
- China
- Prior art keywords
- jack shaft
- voussoir
- wedge block
- raceway
- small gear
- 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 - Lifetime
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- 238000003754 machining Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to a wedge block-type overrunning clutch used for a loading machine. The wedge block-type overrunning clutch is characterized in that a high-speed small gear (2) is arranged on a middle shaft (5) via a spline; one side of the high-speed small gear is provided with a low-speed large gear (3); a wedge block (10) is arranged between the low-speed large gear and the middle shaft; when counterclockwise rotation speed of a wedge block inner raceway is higher than rotation speed of a wedge block outer raceway, the low-speed large gear is jointed with the middle shaft so that the wedge block inner raceway and the wedge block outer raceway are identical in speed; and when the counterclockwise rotation speed of the wedge block inner raceway is lower than rotation speed of the wedge block outer raceway, overrunning of the low-speed large gear and the middle shaft is achieved, the wedge block is disengaged from rackways and torque transmission is not carried out. The wedge block-type overrunning clutch has following beneficial effects: working performance and reliability are considerably enhanced; failure rate is effectively reduced; service lifetime is prolonged; machining and assembly degrees of difficulty are reduced; and cost is effectively lowered.
Description
[technical field]
The utility model relates to a kind of clutch, relates in particular to a kind of wedge block type clutch, is specifically related to a kind of Wedge type over running clutch for loader.
[background technique]
Known, because loader cycle operation is frequent, low-speed heave-load and high speed light loading operating mode are often changed, and free wheel device is hit greatly when change working, must guarantee that free wheel device has enough reliabilities, loader two axle assemblies adopt roller-type overrunning clutch structure mostly, its structural feature is: high speed small gear and jack shaft are made of one, star-wheel is connected by screw bolt and nut with high speed small gear, star-wheel is placed in the cavity of low speed gearwheel, on star-wheel, be shaped with the hole of placing spring, spring compresses roller by ejector pin, low speed gearwheel by bearings on jack shaft, wherein the working surface of star-wheel is generally plane, although plane machining is easy, but in use, wearing and tearing along with roller and plane, can there is remarkable change in the angle of wedge, and then affect the performance of clutch, reduce its bearing capacity and working life etc., star-wheel is connected by screw bolt and nut with high speed small gear simultaneously, the structure that high speed small gear and jack shaft are made of one, because bolt connection error is large, the coaxality of star-wheel and jack shaft is difficult to ensure card, and the easy stuck inefficacy of spring, easily cause roller deflection stressed, unstable wear, less stable, often there is the phenomenon of abnormal damage in the short time etc.
[summary of the invention]
In order to overcome the deficiency of above-mentioned technology, the utility model provides a kind of Wedge type over running clutch for loader, the utility model by arranging high speed small gear by spline on jack shaft, a side at high speed small gear arranges low speed gearwheel, then between low speed gearwheel and jack shaft, voussoir is set, and has improved greatly its service behaviour and reliability, effectively reduce rate of fault, increase the service life, reduce processing and assembling difficulty simultaneously, effectively reduce costs etc.
For realizing goal of the invention as above, the utility model adopts technological scheme as described below:
A kind of Wedge type over running clutch for loader, comprise high speed small gear, low speed gearwheel, jack shaft and voussoir, on the outer edge surface of described jack shaft, be provided with high speed small gear, on the jack shaft of high speed small gear one side, be interval with bearing A, on the jack shaft of high speed small gear opposite side, be provided with low speed gearwheel, between the inner edge surface of described low speed gearwheel and the outer edge surface of jack shaft, be interval with two bearing C, between the inner edge surface of low speed gearwheel between two bearings C and the outer edge surface of jack shaft, be provided with a plurality of voussoirs and form the described Wedge type over running clutch for loader.
The described Wedge type over running clutch for loader, the middle part of described jack shaft is provided with oil hole, is provided with at least one perpendicular to the tap hole of oil hole on the outer edge surface of jack shaft, the corresponding voussoir of described tap hole.
The described Wedge type over running clutch for loader, the inner edge surface of the low speed gearwheel between described two bearings C is provided with the outer raceway of voussoir, on the outer edge surface of jack shaft, be provided with raceway in voussoir, in voussoir, outside raceway and voussoir, between raceway, be provided with a plurality of voussoirs.
The described Wedge type over running clutch for loader, described voussoir is provided with spring mounting hole, in described spring mounting hole, is provided with spring.
The described Wedge type over running clutch for loader, described high speed small gear connects jack shaft by spline or flat key.
The described Wedge type over running clutch for loader, the inner side of described two bearings C is respectively equipped with catch.
The described Wedge type over running clutch for loader, described high speed small gear is fixed on jack shaft by shaft block ring.
The described Wedge type over running clutch for loader, one of them is fixed on described two bearings C on jack shaft by high speed small gear, and another bearing C is fixed on jack shaft by right baffle plate, in the outside of described right baffle plate, is provided with bearing B.
Adopt technological scheme as above, the utlity model has superiority as described below:
A kind of Wedge type over running clutch for loader described in the utility model, the utility model by arranging high speed small gear by spline on jack shaft, a side at high speed small gear arranges low speed gearwheel, then between low speed gearwheel and jack shaft, voussoir is set, when in voussoir, raceway rotates counterclockwise speed and is greater than the rotational velocity of raceway outside voussoir, low speed gearwheel engages with jack shaft, makes raceway in voussoir reach consistent with the speed of the outer raceway of voussoir; When in voussoir, raceway rotates counterclockwise speed and is less than the rotational velocity of raceway outside voussoir, low speed gearwheel and jack shaft surmount, voussoir and raceway are thrown off, transmitting torque etc. not, improved greatly its service behaviour and reliability, effectively reduced rate of fault, increased the service life, reduce processing and assembling difficulty simultaneously, effectively reduce costs etc.
[accompanying drawing explanation]
Fig. 1 is perspective view of the present utility model;
Fig. 2 is sectional structure schematic diagram of the present utility model;
Fig. 3 is the mounting structure schematic diagram of voussoir in the utility model;
Fig. 4 is the perspective view of voussoir in the utility model;
In the drawings: 1, bearing A; 2, high speed small gear; 3, low speed gearwheel; 4, bearing B; 5, jack shaft; 6, shaft block ring; 7, bearing C; 8, right baffle plate; 9, catch; 10, voussoir; 11, raceway in voussoir; 12, spring; 13, the outer raceway of voussoir; 14, spring mounting hole; 15, tap hole; 16, oil hole.
[embodiment]
By the following examples, can explain in more detail the utility model, the utility model is not limited to the following examples;
A kind of Wedge type over running clutch for loader described in 1～4 by reference to the accompanying drawings, comprise high speed small gear 2, low speed gearwheel 3, jack shaft 5 and voussoir 10, the middle part of described jack shaft 5 is provided with oil hole 16, on the outer edge surface of jack shaft 5, be provided with at least one perpendicular to the tap hole 15 of oil hole 16, 10 pairs of voussoirs 10 of the corresponding voussoir of described tap hole 15 are lubricated, on the outer edge surface of jack shaft 5, by spline or flat key, be provided with high speed small gear 2, preferred spline wherein, described high speed small gear 2 is fixed on jack shaft 5 by shaft block ring 6, on the jack shaft 5 of high speed small gear 2 one sides, be interval with bearing A1, on the jack shaft 5 of high speed small gear 2 opposite sides, be provided with low speed gearwheel 3, between the outer edge surface of the inner edge surface of described low speed gearwheel 3 and jack shaft 5, be interval with two bearing C7, the inner side of described two bearings C7 is respectively equipped with the catch 9 for preventing that voussoir 10 and bearing C7 from rubbing, further, one of them is fixed on two bearings C7 on jack shaft 5 by high speed small gear 2, another bearing C7 is fixed on jack shaft 5 by right baffle plate 8, in the outside of described right baffle plate 8, be provided with bearing B4, then on the inner edge surface that is provided with a plurality of voussoirs 10 or the low speed gearwheel 3 between two bearings C7 between the inner edge surface of the low speed gearwheel 3 between two bearings C7 and the outer edge surface of jack shaft 5, be provided with raceway 13 outside voussoir, on the outer edge surface of jack shaft 5, be provided with raceway 11 in voussoir, in voussoir, outside raceway 11 and voussoir, between raceway 13, be provided with a plurality of voussoirs 10, described voussoir 10 is provided with spring mounting hole 14, in described spring mounting hole 14, be provided with spring 12, described spring 12 is pressed on voussoir 10 on the outer raceway 13 of voussoir and forms the described Wedge type over running clutch for loader.
Embodiment of the present utility model is:
The utility model blocks high speed small gear 2 left ends by shaft block ring 6, and high speed small gear 2 right-hand member projections withstand the inner ring of bearing C7; Bearing C7 is installed on jack shaft 5, for supporting low speed gearwheel 3; Voussoir 10 and spring 12 are installed in the raceway between jack shaft 5 and low speed gearwheel 3, as shown in Figure 2, between bearing C7 and voussoir 10 and spring 12, with catch 9, separate, and prevent that voussoir 10 from contacting simultaneously and wearing and tearing with the inner and outer ring of bearing C7; Right baffle plate 8 left ends withstand the inner ring of bearing C7, and right-hand member withstands the inner ring of bearing B4; As shown in Figure 3, in voussoir, raceway 11 is on jack shaft 5, and the outer raceway 13 of voussoir is on low speed gearwheel 3;
Further, in use, when in voussoir, raceway 11 rotates counterclockwise speed and is greater than the rotational velocity of raceway 13 outside voussoir, low speed gearwheel engages with jack shaft the utility model, makes raceway 11 in voussoir reach consistent with the speed of the outer raceway 13 of voussoir; When in voussoir, raceway 11 rotates counterclockwise speed and is less than the rotational velocity of raceway 13 outside voussoir, low speed gearwheel and jack shaft surmount, and voussoir 10 is thrown off with raceway, not transmitting torque.
The utility model high speed small gear 2 passes through splined with jack shaft 5; Low speed gearwheel 3 is supported on jack shaft 5 by bearing C7, and in it, convex portion separates two bearings C7; Middle convex voussoir 10 is pressed on the outer raceway 13 of voussoir by spring 12; In voussoir, the outer raceway 13 of raceway 11 and voussoir is complete circle cylinder; In order to prevent that voussoir 10 from contacting and wearing and tearing with bearing C7 inner and outer ring simultaneously, catch 9 is kept apart bearing C7 and voussoir 10; In voussoir, on raceway 11, have the tap hole 15 being connected with jack shaft 5 middle part oil holes 16, object is to provide lubricant oil for voussoir 10.
The utlity model has following advantage:
1, cancelled screw bolt and nut connection, overall structure is simplified;
2, the interior bore portion of low speed gearwheel 3 protrudes, and two bearings C7 is kept apart, and only by the inner ring axially locating of two bearings C7, has simplified the structure of low speed gearwheel 3;
3, in voussoir, the outer raceway 13 of raceway 11 and voussoir is complete circle cylinder, is convenient to machining and guarantees machining accuracy;
4, select middle convex completely to fill voussoir 10, improved bearing capacity;
5, middle convex voussoir 10 is pressed on the outer raceway 13 of voussoir by spring 12, guarantees that the outer raceway 13 of voussoir 10 and voussoir contacts all the time, and when surmounting, voussoir 10 departs from the interior raceway 11 of voussoir, contributes to reduce wear;
6, between middle convex voussoir 10, rely on middle cylndrical surface of protruding to contact with each other, contribute to make each voussoir 10 uniform stresseds;
7, when voussoir 10 parts are damaged, conveniently replaced, relatively reduce maintenance expenses, shorten service cycle;
8, reduce Assembly of the parts difficulty, improved assembly precision, easy to utilize etc.
The utility model does not describe part in detail for prior art.
The embodiment who selects in this article for open the purpose of this utility model, currently thinks suitablely, still, will be appreciated that, the utility model is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.
Claims (8)
1. the Wedge type over running clutch for loader, comprise high speed small gear (2), low speed gearwheel (3), jack shaft (5) and voussoir (10), it is characterized in that: on the outer edge surface of described jack shaft (5), be provided with high speed small gear (2), on the jack shaft (5) of high speed small gear (2) one sides, be interval with bearing A(1), on the jack shaft (5) of high speed small gear (2) opposite side, be provided with low speed gearwheel (3), between the outer edge surface of the inner edge surface of described low speed gearwheel (3) and jack shaft (5), be interval with two bearing C(7), at two bearings C(7) between the inner edge surface of low speed gearwheel (3) and the outer edge surface of jack shaft (5) between be provided with a plurality of voussoirs (10) and form the described Wedge type over running clutch for loader.
2. the Wedge type over running clutch for loader according to claim 1, it is characterized in that: the middle part of described jack shaft (5) is provided with oil hole (16), on the outer edge surface of jack shaft (5), be provided with at least one tap hole perpendicular to oil hole (16) (15), the corresponding voussoir of described tap hole (15) (10).
3. the Wedge type over running clutch for loader according to claim 1, it is characterized in that: the inner edge surface of the low speed gearwheel (3) described two bearings C(7) is provided with the outer raceway (13) of voussoir, on the outer edge surface of jack shaft (5), be provided with raceway in voussoir (11), outside raceway in voussoir (11) and voussoir, between raceway (13), be provided with a plurality of voussoirs (10).
4. the Wedge type over running clutch for loader according to claim 1, is characterized in that: described voussoir (10) is provided with spring mounting hole (14), is provided with spring (12) in described spring mounting hole (14).
5. the Wedge type over running clutch for loader according to claim 1, is characterized in that: described high speed small gear (2) connects jack shaft (5) by spline or flat key.
6. the Wedge type over running clutch for loader according to claim 1, is characterized in that: inner side described two bearings C(7) is respectively equipped with catch (9).
7. the Wedge type over running clutch for loader according to claim 1, is characterized in that: described high speed small gear (2) is fixed on jack shaft (5) by shaft block ring (6).
8. the Wedge type over running clutch for loader according to claim 1, it is characterized in that: described two bearings C(7) one of them is fixed on jack shaft (5) by high speed small gear (2), another bearing C(7) by right baffle plate (8), be fixed on jack shaft (5) upper, in the outside of described right baffle plate (8), be provided with bearing B(4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215522.9U CN203822904U (en) | 2014-04-30 | 2014-04-30 | Wedge block-type overrunning clutch used for loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215522.9U CN203822904U (en) | 2014-04-30 | 2014-04-30 | Wedge block-type overrunning clutch used for loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822904U true CN203822904U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215522.9U Expired - Lifetime CN203822904U (en) | 2014-04-30 | 2014-04-30 | Wedge block-type overrunning clutch used for loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373559A (en) * | 2014-08-22 | 2015-02-25 | 洛阳轴研科技股份有限公司 | Two-shaft assembly used in speed changer of loader |
| CN105221603A (en) * | 2015-11-18 | 2016-01-06 | 传孚科技（厦门）有限公司 | Loader bearing type overrunning clutch two axle assembly |
-
2014
- 2014-04-30 CN CN201420215522.9U patent/CN203822904U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373559A (en) * | 2014-08-22 | 2015-02-25 | 洛阳轴研科技股份有限公司 | Two-shaft assembly used in speed changer of loader |
| CN105221603A (en) * | 2015-11-18 | 2016-01-06 | 传孚科技（厦门）有限公司 | Loader bearing type overrunning clutch two axle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: LUOYANG BEARING RESEARCH INSTITUTE Co.,Ltd. Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: LUOYANG BEARING SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |