CN205207563U - Belt tensioner device - Google Patents
Belt tensioner device Download PDFInfo
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- CN205207563U CN205207563U CN201520931230.XU CN201520931230U CN205207563U CN 205207563 U CN205207563 U CN 205207563U CN 201520931230 U CN201520931230 U CN 201520931230U CN 205207563 U CN205207563 U CN 205207563U
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- tension
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- wheel shaft
- pulley device
- belt tightening
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Abstract
The utility model discloses a belt tensioner device, the tensioning arm is connected to the one end of extension spring, and the tensioning arm passes through the take -up pulley hub connection with the take -up pulley and is in the same place, tensioning arm and tensioning shaft fixed connection, the one end at the tensioning shaft is fixed to the oil cup, passes through half sealed bearing between take -up pulley and the tensioning shaft and connect, has interior spacer spaced apart between tensioning shaft and half sealed bearing, and the tensioning shaft is inside to have through -hole and the oil cup radially got through to communicate with each other, has slot and through -hole in the middle of the interior spacer, and the through -hole of tensioning shaft has slot and through -hole to communicate with each other with interior spacer is middle. The utility model discloses has following technological effect: through reasonable, simple take -up pulley structural design, be provided with lubricatedly and oil storing structure, solved the lubricated problem of take -up pulley, improve wearability, the improvement take -up pulley life -span scheduling problem of take -up pulley, form the belt tensioning structure through rocking arm, pull rod, spring, spring coupling has certain cushioning effect, has apparent effect to protection belt and other mechanisms.
Description
Technical field
The utility model belongs to agricultural machinery technological field, especially a kind of belt tightening pulley device being applicable to combine-harvester walking is related to, be mainly used in the walking belt composition in reaper, this device can also need to extend in the tensioning of other structures according to different, has wide range of applications.
Background technique
Farm machinery all can use belt tension wheel component, and belt tension wheel component is bel-drivenn important component part.But because the reasons such as material, technique and design do not carry out rational structural design to tension pulley, make tension pulley there is internal bearings and can not to annotate butter, cause the wearing no resistance of tension pulley, the problem such as working life is short.In addition, the belt due to various material is not elastomer completely, under the effect of pretightening force, after running after a while, will relax by being out of shape, initial tension is reduced; In order to ensure that bel-drivenn runs well, usual employing Idle wheel is by belt tension, Idle wheel is placed on the inner side of slack list, make belt only by bend in one direction, Idle wheel is as far as possible near bull wheel simultaneously, in order to avoid cross the cornerite of belt wheel, Idle wheel is placed on the outside of slack list, should try one's best near small pulley, the flute size of Idle wheel and the identical of belt wheel; But at present belt tightening pulley device Problems existing is: ajust tension wheel shaft has larger difficulty to the perpendicularity in belt movement direction and parallelism, cause install and adjust difficulty large, belt surface serious wear, even causes falling band, affect the performance of machine, reduce operating efficiency.
In order to solve the problems of the technologies described above, Chinese patent CN200920164844.4 discloses a kind of tension wheel structure, sheathed bearing between Idle wheel shell and driving sleeve, fixed central spindle is stretched into by one end of described driving sleeve, the other end of driving sleeve is provided with filler opening, the inwall of driving sleeve and bearing offers corresponding oilhole respectively, is communicated with described Bearing inner to make filler opening.Idle wheel shell transmission shaft external member establishes bearing, the filler opening that the other end that stationary spindle stretches into driving sleeve by one end of described driving sleeve is provided with, filler opening and described Bearing inner UNICOM, the structure of this model utility bearing simply and wherein has the advantage that greasy property is good, operating reliability is high.But this model utility is fixed on driving sleeve by oil hole, also needs bearing inner race to have groove, and strict to the matching requirements of whole mechanism.
Chinese patent CN200920164844.4 discloses a kind of tension pulley mechanism, comprises conduit, dunnage, Idle wheel, deep groove ball bearing, bearing and axle support ring; The left end of dunnage is provided with conduit, and right-hand member is provided with a bearing, and Idle wheel is arranged on a bearing by axle support ring, and Idle wheel is also provided with deep groove ball bearing.This model utility structure is simple, wear resistance is strong.Can not charging-up lubricant oil but the defect that this model utility exists is exactly this structure, bearing is easy to wear, and reliability is not high, and this structure can only the stressed less structure of tensioning.
Model utility content
In order to solve the problems of the technologies described above, the utility model provides a kind of belt tightening pulley device being applicable to combine-harvester walking, the utility model is by reasonable, simple belt tightening pulley device design, lubrication and oil-bearing structure is provided with in belt tightening pulley device structure, solve the technical problem of belt tightening pulley device lubrication, improve wear resistance and the life-span of belt tightening pulley device.
The technical solution of the utility model is as follows:
A kind of belt tightening pulley device, comprises extension spring 1, fixing frame 5, tension arms 8, lubricating cup 9, Idle wheel 12, inner spacing collar 13, semitight bearing 14 and tension wheel shaft 16; It is characterized in that: one end of described extension spring 1 connects tension arms 8, and the other end is fixedly connected on fixing frame 5; Described tension arms 8 and Idle wheel 12 are linked together by tension wheel shaft 16; Described tension arms 8 right-hand member is fixedly connected with tension wheel shaft 16; Described lubricating cup 9 is fixed on one end of tension wheel shaft 16, connected by semitight bearing 14 between Idle wheel 12 and tension wheel shaft 16, Idle wheel 12 can rotate around tension wheel shaft 16, between tension wheel shaft 16 and semitight bearing 14, have inner spacing collar 13 spaced apart, Idle wheel 12 is fixed on tension wheel shaft 16; The through hole that described tension wheel shaft 16 inside has radial direction to get through and lubricating cup 9 communicate, and have groove and through hole in the middle of inner spacing collar 13, and the through hole of described tension wheel shaft 16 has groove and through hole to communicate with in the middle of inner spacing collar 13.
In a preferred technological scheme, described belt tightening pulley device also comprises pull bar 2 and first set secure component 4; Described tension arms 8 has through hole, and described through hole is positioned at left side or the right side of described Idle wheel 12; Described pull bar 2, through the through hole of tension arms 8, is fixedly connected with tension arms 8 by first set secure component 4; One end cylinder lever connecting rod 2 of extension spring 1.
In a preferred technological scheme, adopt the other end one end of described extension spring 1 and tension wheel shaft 16 being installed the end of lubricating cup 9 to be connected the one end substituting extension spring 1 and connect tension arms 8.
In a preferred technological scheme, described belt tightening pulley device also comprises Idle wheel spacer 10 and hole jump ring 11; Described Idle wheel spacer 10 is arranged between described tension arms 8 and Idle wheel 12; Described hole jump ring 11 is arranged on outside described semitight bearing 14.
In a preferred technological scheme, described Idle wheel 12 is fixed on tension wheel shaft 16 by the 3rd cover secure component 15.
In a preferred technological scheme, the left end of described tension arms 8 overlaps secure component 5 with bearing 6 with second by rotating shaft 3 and is fixedly connected with, and described tension arms 8 can rotate around described rotating shaft 3.
In a preferred technological scheme, by the 3rd cover secure component 15, Idle wheel 12 is fixed on tension wheel shaft 16.
Known by technique scheme, belt tightening pulley device of the present utility model has following technique effect:
1, the utility model is by reasonable, simple tension wheel structure design, be provided with lubrication and oil-bearing structure, one end punching of tension wheel shaft, by the inside of tension wheel shaft, butter is noted the inside of Idle wheel, Idle wheel inside also has the function of certain storage butter, solve the problem of Idle wheel lubrication, improve the wear resistance of Idle wheel, improve the problems such as Idle wheel life-span;
2, the utility model becomes belt tensioning structure by pivoted arm, pull bar, cluster spring, carrys out tensioning during tensioning by the nut on screw rod, and this tension structure is connected with certain buffer function by spring, has significant effect to protection belt and other mechanisms;
3, the utility model also solves the perpendicularity of tension wheel shaft to belt movement direction and the problem of parallelism simultaneously, improves the performance of machine, improves operating efficiency.
Accompanying drawing explanation
Fig. 1 is the integrally-built plan view of the belt tightening pulley device of embodiment one;
Fig. 2 is that the integrally-built A-A of the belt tightening pulley device of Fig. 1 is to sectional view;
Fig. 3 is the structural representation of the belt tightening pulley device tensioning state of embodiment two;
Fig. 4 is the integrally-built plan view of the belt tightening pulley device of embodiment three;
Fig. 5 is that the integrally-built A-A of the belt tightening pulley device of embodiment three is to sectional view.
Embodiment
Detailed content of the present utility model obtains by following detailed description and Figure of description.Belt tightening pulley device of the present utility model is described in detail below in conjunction with Figure of description.
Embodiment one
As shown in Fig. 1 ~ 2, belt tension wheel construction of the present utility model, comprises extension spring 1, pull bar 2, rotating shaft 3, first set secure component 4, fixing frame 5, bearing 6, second cover secure component 7, tension arms 8, lubricating cup 9, Idle wheel spacer 10, hole jump ring 11, Idle wheel 12, inner spacing collar 13, semitight bearing 14, the 3rd cover secure component 15 and tension wheel shaft 16.
Idle wheel 12 and tension arms 8 are linked together by tension wheel shaft 16, pull bar 2 is through the hole of tension arms 8, fixed by first set secure component 4, described hole is positioned at the left side of Idle wheel 12, extension spring 1 the other end is fixedly connected with fixing frame 5 and is strained by pull bar 2, first set secure component 4 can regulate according to the tensioning degree of belt, reaches the object of tensioning.This structure is by extension spring 1 elastic tension, also extension spring 1 can be removed and directly fix with pull bar 2 tensioning, but this process is rigidly connected, and does not have certain buffer function, easily damage mechanism to the transmission of belt.As shown in Figure 2, rotating shaft 3 is fixed on bearing 6 by the second cover secure component 7 by tension arms 8 left end, and when first set secure component fastening piece 4 tightening belt, tension arms 8 can rotate around the rotating shaft 3 in left side, thus reaches the object of tensioning.Lubricating cup 9 is fixed on tension wheel shaft 16, one end of tension wheel shaft 16 is fixed on one end of tension arms 8, between Idle wheel 12 and tension wheel shaft, 16 are connected by semitight bearing 14, Idle wheel 12 can rotate around tension wheel shaft 16, between tension wheel shaft 16 and semitight bearing 14, there is inner spacing collar 13 spaced apart, fix finally by the 3rd cover secure component 15.Idle wheel spacer 10 is arranged between described tension arms 8 and Idle wheel 12, and hole jump ring 11 is arranged on outside described semitight bearing 14; Wherein tension wheel shaft 16 inside has through hole and lubricating cup 9 to communicate, and the through hole in tension wheel shaft 16 is got through in radial direction when centre, and this structure just defines a simple oiling through hole, can be annotated butter by lubricating cup 9.Groove and through hole is had in the middle of inner spacing collar 13, can be inner by butter passage Idle wheel 12 by the groove of the hole in tension wheel shaft 16 and inner spacing collar 13 when lubricating cup 9 annotates butter, until lubrication is to semitight bearing 14 position.In this structure, Idle wheel 12 can make ironcasting, also can be nylon foundry goods.
Embodiment two
As shown in Figure 3, for the belt tension wheel construction that tension force is larger, the length of tension arms 8 can be increased, through hole on tension arms 8 is arranged on the right side of Idle wheel 12, thus the position of tensioning is moved on to the right side of Idle wheel 12, this structure tension effects can be better, and other structure of the belt tension wheel construction described in the present embodiment is identical with the belt tension wheel construction described in embodiment one.
Embodiment three
As shown in Figure 4 and Figure 5, the fixed tensioning of tension arms 8 shown in Fig. 1 ~ 3 wheel 12 and extension spring 1 tightened position are all in belt side, and the tension force of belt can may be caused like this to be biased, and unbalance stress, causes belt dropping.So one end that the other end one end of extension spring 1 and tension wheel shaft 16 being installed the end of lubricating cup 9 is connected to come extension spring 1 in alternate embodiment one connects tension arms 8; Be placed on the position of the 3rd cover secure component 15 by tension position, fixed by nut.Other structure of the belt tension wheel construction described in the present embodiment is identical with the belt tension wheel construction described in embodiment one.
It is evident that, above description and record be only citing instead of in order to limit content disclosed in the utility model, application or use.Although described in an embodiment and described embodiment with reference to the accompanying drawings, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of specification and the appended claim fallen into above.
Claims (8)
1. a belt tightening pulley device, described belt tightening pulley device comprises connection set (1), fixing frame (5), tension arms (8), lubricating cup (9), Idle wheel (12), inner spacing collar (13), semitight bearing (14) and tension wheel shaft (16); It is characterized in that: one end of described connection set (1) connects tension arms (8), and the other end is connected on fixing frame (5); Described tension arms (8) and Idle wheel (12) are linked together by tension wheel shaft (16); Described tension arms (8) right-hand member is fixedly connected with tension wheel shaft (16); Described lubricating cup (9) is fixed on one end of tension wheel shaft (16), connected by semitight bearing (14) between Idle wheel (12) and tension wheel shaft (16), Idle wheel (12) can rotate around tension wheel shaft (16), between tension wheel shaft (16) and semitight bearing (14), be provided with inner spacing collar (13), Idle wheel (12) is fixed on tension wheel shaft (16); The through hole that described tension wheel shaft (16) inside has radial direction to get through and lubricating cup (9) communicate, have groove and through hole in the middle of inner spacing collar (13), the through hole of described tension wheel shaft (16) communicates with the groove in the middle of inner spacing collar (13) and through hole.
2. a kind of belt tightening pulley device according to claim 1, is characterized in that: described belt tightening pulley device also comprises pull bar (2) and first set secure component (4); Described tension arms (8) has through hole, and described through hole is positioned at left side or the right side of described Idle wheel (12); Described pull bar (2), through the through hole of tension arms (8), is fixedly connected with tension arms (8) by first set secure component (4); Described one end of connection set (1) connects described pull bar (2).
3. a kind of belt tightening pulley device according to claim 1, is characterized in that: adopt the other end one end of described connection set (1) and tension wheel shaft (16) being installed the end of lubricating cup (9) be connected thus be connected to tension arms (8).
4. a kind of belt tightening pulley device according to claim 1 or 2 or 3, is characterized in that: described belt tightening pulley device also comprises Idle wheel spacer (10) and hole jump ring (11); Described Idle wheel spacer (10) is arranged between described tension arms (8) and Idle wheel (12); Described hole jump ring (11) is arranged on described semitight bearing (14) outside.
5. a kind of belt tightening pulley device according to claim 1 or 2 or 3, is characterized in that: described Idle wheel (12) is fixed on tension wheel shaft (16) by the 3rd cover secure component (15).
6. a kind of belt tightening pulley device according to claim 1 or 2 or 3, it is characterized in that: the left end of described tension arms (8) overlaps secure component (5) with bearing (6) with second by rotating shaft (3) and is fixedly connected with, and described tension arms (8) can rotate around described rotating shaft (3).
7. a kind of belt tightening pulley device according to claim 1 or 2 or 3, is characterized in that: be fixed on tension wheel shaft (16) by Idle wheel (12) by the 3rd cover secure component (15).
8. a kind of belt tightening pulley device according to claim 1, is characterized in that, described connection set (1) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931230.XU CN205207563U (en) | 2015-11-19 | 2015-11-19 | Belt tensioner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931230.XU CN205207563U (en) | 2015-11-19 | 2015-11-19 | Belt tensioner device |
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| Publication Number | Publication Date |
|---|---|
| CN205207563U true CN205207563U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520931230.XU Active CN205207563U (en) | 2015-11-19 | 2015-11-19 | Belt tensioner device |
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| CN (1) | CN205207563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351466A (en) * | 2015-11-19 | 2016-02-24 | 中联重机股份有限公司 | Belt tightening pulley device |
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2015
- 2015-11-19 CN CN201520931230.XU patent/CN205207563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351466A (en) * | 2015-11-19 | 2016-02-24 | 中联重机股份有限公司 | Belt tightening pulley device |
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