CN106594206B - Walking belt linkage tensioning device - Google Patents
Walking belt linkage tensioning device Download PDFInfo
- Publication number
- CN106594206B CN106594206B CN201611256075.1A CN201611256075A CN106594206B CN 106594206 B CN106594206 B CN 106594206B CN 201611256075 A CN201611256075 A CN 201611256075A CN 106594206 B CN106594206 B CN 106594206B
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- China
- Prior art keywords
- crank arm
- auxiliary
- main
- mandrel
- hinged
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a walking belt linkage tensioning device, which comprises: the main support mandrel, the auxiliary support mandrel and the linkage mechanism are arranged on the main support mandrel; the linkage mechanism comprises: the main crank arm and the auxiliary crank arm are provided with crank arm shaft sleeves at one ends; the claiming tight pulley, the main supporting mandrel, the auxiliary tensioning pulley and the auxiliary supporting mandrel are respectively positioned at two sides of the transmission belt; the crank arm is hinged with the frame through the crank arm shaft sleeve penetrating through the supporting mandrel; the other end of the main crank arm is hinged with the other end of the auxiliary crank arm; the claiming tight pulley is hinged with the middle bending part of the main crank arm; the auxiliary tensioning wheel is hinged with the middle part of the auxiliary crank arm; the pinch roller is claimed to rest against the loose edge of the drive belt. The auxiliary tensioning wheel is additionally arranged, the tightening edge of the transmission belt is limited by lifting the auxiliary tensioning wheel, the tensioning force for maintaining the tightening wheel to loosen the edge of the transmission belt is increased by the adjusting mechanism, and the technical effect of ensuring the normal operation of the transmission belt can be achieved by maintaining the tensioning force generated by the tightening wheel when the pretightening force of the tightening edge of the transmission belt is insufficient.
Description
Technical Field
The invention discloses a belt tensioning device, in particular discloses a walking belt tensioning device for a harvester, and belongs to the technical field of agricultural machinery.
Background
The wheel type harvester walks infinitely variable speed, adopts the structure that infinitely variable speed gear and mechanical gearbox are established ties generally, and the circumstances that the belt tight side becomes loose can appear when the wheel type harvester goes up and down the slope in the in-service use to lead to the drive power to be insufficient. The existing wheel type harvester is provided with a tensioning structure, but the existing wheel type harvester is of a single-side tensioning structure, and the tightness of the tight edge of the belt can be maintained, but due to mechanism limitation, the tightness of the tight edge of the belt can not be maintained for a long time.
Disclosure of Invention
Aiming at the technical problem that the existing unilateral tensioning structure cannot keep the tightness of the belt tight side for a long time, the walking belt linkage tensioning device is provided.
The technical scheme provided by the invention is as follows:
a walking belt linkage tensioning device comprises a claiming wheel, an auxiliary tensioning wheel, a main supporting mandrel, an auxiliary supporting mandrel and a linkage mechanism; wherein, the link gear includes: the main crank arm comprises a main crank arm and an auxiliary crank arm, wherein one end of the main crank arm is provided with a main crank arm shaft sleeve, and one end of the auxiliary crank arm is provided with an auxiliary crank arm shaft sleeve; the main support mandrel, the auxiliary tensioning wheel and the auxiliary support mandrel are respectively positioned at two sides of the transmission belt, and one end of the main support mandrel and one end of the auxiliary support mandrel are respectively fixedly connected with the frame; one end of the main crank arm is hinged with the frame through a main supporting mandrel penetrating through a main crank arm shaft sleeve; one end of the auxiliary crank arm is hinged with the frame through an auxiliary supporting mandrel penetrating through an auxiliary crank arm shaft sleeve; the other end of the main crank arm is hinged with the other end of the auxiliary crank arm; the claiming wheel is hinged with the middle bending part of the main crank arm; the auxiliary tensioning wheel is hinged with the middle part of the auxiliary crank arm; the claiming wheel is abutted against the loose edge of the transmission belt; the auxiliary tensioning wheel is abutted against the tight edge of the transmission belt.
Further, the walking belt linkage tensioning device further comprises: claiming a tightening wheel mandrel and a secondary tightening wheel mandrel; the secondary crank arm further includes: a connecting arm and a fixing arm; the tensioning wheel mandrel penetrates through the corresponding shaft center of the main tensioning wheel or the shaft center of the auxiliary tensioning wheel; one end of the connecting arm is connected with one end of the fixing arm through an adjusting mechanism, and the other end of the fixing arm passes through the auxiliary crank arm shaft sleeve and penetrates through the auxiliary supporting mandrel to be hinged with the frame.
Further, the adjusting mechanism includes: a pair of connecting screws and nuts; one end of each connecting screw is fixedly connected with the outer side of one end of each connecting arm; the other end of each connecting screw rod penetrates through one end of the auxiliary tensioning wheel mandrel and is fixed through the nut.
Further, the other end of the main crank arm is hinged with the other end of the auxiliary crank arm through a hinge mandrel which transversely penetrates through the hinge end.
Further, one end of the main support mandrel is supported in the main crank arm shaft sleeve through main support bearings arranged in two ends of the main crank arm shaft sleeve; one end of the auxiliary supporting mandrel is supported in the auxiliary crank arm shaft sleeve through auxiliary supporting bearings arranged in two ends of the auxiliary crank arm shaft sleeve.
The walking belt linkage tensioning device provided by the invention has the following beneficial effects: according to the technical scheme, the tension structure with linkage is arranged on the loose edge and the tight edge of the driving belt, so that the technical effect that the auxiliary tension wheel generates tension force when the pretightening force is insufficient on the tight edge of the driving belt, and the normal operation of the driving belt is ensured can be obtained.
According to the invention, the relative distance between the maintaining tension wheel and the auxiliary tension wheel can be adjusted by arranging the adjusting mechanism in the auxiliary tension wheel structure, so that the device is suitable for transmission belts with different sizes.
According to the invention, the screw and the nut are matched to form the adjusting mechanism, so that the two sides can be fastened respectively, and the offset of the transmission belt caused by assembly errors in the assembly process can be finely adjusted, so that the transmission belt works normally.
Drawings
The above features, technical features, advantages and implementation thereof will be further described in the following detailed description of preferred embodiments with reference to the accompanying drawings in a clearly understandable manner.
FIG. 1 is a front view of a walking belt linkage tensioner of the present invention;
fig. 2 is a schematic view of the running belt linkage tensioning device in use state.
Wherein, 1-claiming a tight pulley; 11-claiming a tightening wheel mandrel and 2-claiming a tightening wheel; 21-an auxiliary tensioning wheel mandrel, 3-a main supporting mandrel and 4-an auxiliary supporting mandrel; 51-main crank arm; 511-main crank arm sleeve; 5111-main support bearing; 52-auxiliary crank arms; 521-auxiliary crank arm shaft sleeve; 5211-auxiliary support bearings; 522-a connecting arm; 523-fixed arm; 524-an adjustment mechanism; 5241-connecting screw; 5242-nut, 6-hinge spindle.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
The invention provides a walking belt linkage tensioning device as shown in fig. 1 and 2, which comprises a claiming tightening wheel 1, a secondary tensioning wheel 2, a primary supporting mandrel 3, a secondary supporting mandrel 4 and a linkage mechanism 5; wherein, the link gear includes: a main crank arm 51 and a sub crank arm 52, wherein a main crank arm shaft sleeve 511 is arranged at one end of the main crank arm 51, and a sub crank arm shaft sleeve 521 is arranged at one end of the sub crank arm 52; the main support mandrel 3, the auxiliary support mandrel 4, the auxiliary tensioning wheel 2 and the main support mandrel 1 are respectively positioned on two sides of the transmission belt, and one end of the main support mandrel 3 and one end of the auxiliary support mandrel 4 are respectively fixedly connected with the frame; one end of the main crank arm 51 is hinged with the frame through a main supporting mandrel 3 passing through a main crank arm shaft sleeve 511; one end of the auxiliary crank arm 52 is hinged with the frame through an auxiliary supporting mandrel 4 penetrating through an auxiliary crank arm shaft sleeve 521; the other end of the main crank arm 51 is hinged with the other end of the auxiliary crank arm 52; the claiming wheel 1 is hinged with the middle bending part of the main crank arm 51; the auxiliary tensioning wheel 2 is hinged with the middle part of the auxiliary crank arm 52; the claiming wheel 1 is abutted against the loose edge of the transmission belt; the secondary tensioner 2 abuts against the tight edge of the drive belt.
According to the invention, the claiming tight pulley 1 is arranged on the loose edge of the transmission belt, the claiming tight pulley 2 is arranged on the tight edge, the claiming tight pulley 1 and the auxiliary tight pulley 2 are respectively hinged with the main crank arm 51 and the auxiliary crank arm 52 in the linkage mechanism 5, the linkage mechanism can adjust the relative distance between the claiming tight pulley 1 and the auxiliary tight pulley 2, the claiming tight pulley 1 provides tensioning force for the loose edge of the transmission belt, and the auxiliary tight pulley 2 plays a limiting role on the tight edge of the transmission belt while the claiming tight pulley 1 provides tensioning force for the loose edge. The situation that the pretightening force is insufficient due to the fact that only one side is used for providing the tensioning force is avoided. The main support spindle 3 and the auxiliary support spindle 4 are fixed on the frame, and one end of the main support spindle 3 and one end of the auxiliary support spindle 4 are respectively supported in a main crank shaft sleeve 511 at one end of the main crank arm 51 and an auxiliary crank shaft sleeve 521 at one end of the auxiliary crank arm 52.
In actual use, the tensioner is hinged to the bend of the respective crank arm by the claiming tensioner mandrel 11 and the secondary tensioner mandrel 21. The secondary crank arm 52 further includes a connecting arm 522 and a fixed arm 523, and are connected together by an adjustment mechanism 524. The adjustment mechanism 524 includes a pair of connecting screws 5241 and a mating nut 5242. One end of the connecting screw 5241 is fixedly connected with the connecting arm 522, and the other end passes through one end of the auxiliary tensioning wheel mandrel 21 and is fixed by a nut 5242. Considering that the distance between the loose edge and the tight edge of the transmission belt is different, the adjusting mechanism 524 is used for increasing the relative distance between the claiming tight wheel 1 and the auxiliary tensioning wheel 2, and particularly, the adjusting nut 5242 is used for shortening or increasing the length of the connecting screw 5241 penetrating through the end head of the auxiliary tensioning wheel mandrel 21 so as to adjust the relative distance. The main crank arm 51 is hinged with the auxiliary crank arm 52 through the hinge mandrel 6, so that the tight pulley structure is conveniently separated from the auxiliary tension pulley structure, and the convenience of assembly is improved. Main support bearing 5111 and auxiliary support bearing 5211 are installed respectively to main crank arm 51, auxiliary crank arm 52 both ends inside, support the hinge structure that the dabber formed through the bearing support, make things convenient for main, the relative frame motion of auxiliary take-up pulley structure.
Claims (1)
1. A walking belt linkage tensioner comprising: the main support mandrel, the auxiliary support mandrel and the linkage mechanism are arranged on the main support mandrel;
wherein, the link gear includes: the main crank arm comprises a main crank arm and an auxiliary crank arm, wherein one end of the main crank arm is provided with a main crank arm shaft sleeve, and one end of the auxiliary crank arm is provided with an auxiliary crank arm shaft sleeve;
the main support mandrel, the auxiliary tensioning wheel and the auxiliary support mandrel are respectively positioned at two sides of the transmission belt, and one end of the main support mandrel and one end of the auxiliary support mandrel are respectively fixedly connected with the frame; one end of the main crank arm is hinged with the frame through a main supporting mandrel penetrating through a main crank arm shaft sleeve; one end of the auxiliary crank arm is hinged with the frame through an auxiliary supporting mandrel penetrating through an auxiliary crank arm shaft sleeve; the other end of the main crank arm is hinged with the other end of the auxiliary crank arm; the main crank arm is characterized in that the claiming wheel is hinged with the middle bending part of the main crank arm; the auxiliary tensioning wheel is hinged with the middle part of the auxiliary crank arm; the claiming wheel is abutted against the loose edge of the transmission belt; the auxiliary tensioning wheel is abutted against the tight edge of the transmission belt; the walking belt linkage tensioning device further comprises: claiming a tightening wheel mandrel and a secondary tightening wheel mandrel;
the secondary crank arm further includes: a connecting arm and a fixing arm;
the tensioning wheel mandrel penetrates through the corresponding shaft center of the main tensioning wheel or the shaft center of the auxiliary tensioning wheel; one end of the connecting arm is connected with one end of the fixed arm through an adjusting mechanism; the auxiliary supporting mandrel penetrates through the other end of the fixed arm and is hinged with the frame through an auxiliary crank arm shaft sleeve; the adjustment mechanism includes: a pair of connecting screws and nuts;
one end of each connecting screw is fixedly connected with the outer side of one end of the connecting arm; the other end of each connecting screw rod penetrates through one end of the auxiliary tensioning wheel mandrel and is fixed through the nut;
the other end of the main crank arm is hinged with the other end of the auxiliary crank arm through a hinge mandrel which transversely passes through the hinge end;
one end of the main support mandrel is supported in the main crank arm shaft sleeve through main support bearings arranged in two ends of the main crank arm shaft sleeve; one end of the auxiliary supporting mandrel is supported in the auxiliary crank arm shaft sleeve through auxiliary supporting bearings arranged in two ends of the auxiliary crank arm shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256075.1A CN106594206B (en) | 2016-12-30 | 2016-12-30 | Walking belt linkage tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256075.1A CN106594206B (en) | 2016-12-30 | 2016-12-30 | Walking belt linkage tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594206A CN106594206A (en) | 2017-04-26 |
| CN106594206B true CN106594206B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611256075.1A Active CN106594206B (en) | 2016-12-30 | 2016-12-30 | Walking belt linkage tensioning device |
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| Country | Link |
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| CN (1) | CN106594206B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695678A (en) * | 2017-10-23 | 2019-04-30 | 河南森源重工有限公司 | A kind of belt stretcher and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU894274A1 (en) * | 1979-09-26 | 1981-12-30 | Пермское Специальное Проектно-Конструкторское И Технологическое Бюро | Flexible-connection transmission |
| CN202812023U (en) * | 2012-08-28 | 2013-03-20 | 天津市亚安科技股份有限公司 | Bilateral pressing belt wheel structure for synchronous belt transmission |
| CN103195889A (en) * | 2012-01-06 | 2013-07-10 | 沈阳新松机器人自动化股份有限公司 | Tension-type transmission device |
| CN203770559U (en) * | 2014-04-01 | 2014-08-13 | 韶关学院 | Tensioning device of BSG (British standard gauge) belt transmission system |
| JP2015010639A (en) * | 2013-06-27 | 2015-01-19 | ダイハツ工業株式会社 | Auto tensioner of internal combustion engine |
| CN206329690U (en) * | 2016-12-30 | 2017-07-14 | 沃得重工(中国)有限公司 | Treads linkage tensioning apparatus |
-
2016
- 2016-12-30 CN CN201611256075.1A patent/CN106594206B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU894274A1 (en) * | 1979-09-26 | 1981-12-30 | Пермское Специальное Проектно-Конструкторское И Технологическое Бюро | Flexible-connection transmission |
| CN103195889A (en) * | 2012-01-06 | 2013-07-10 | 沈阳新松机器人自动化股份有限公司 | Tension-type transmission device |
| CN202812023U (en) * | 2012-08-28 | 2013-03-20 | 天津市亚安科技股份有限公司 | Bilateral pressing belt wheel structure for synchronous belt transmission |
| JP2015010639A (en) * | 2013-06-27 | 2015-01-19 | ダイハツ工業株式会社 | Auto tensioner of internal combustion engine |
| CN203770559U (en) * | 2014-04-01 | 2014-08-13 | 韶关学院 | Tensioning device of BSG (British standard gauge) belt transmission system |
| CN206329690U (en) * | 2016-12-30 | 2017-07-14 | 沃得重工(中国)有限公司 | Treads linkage tensioning apparatus |
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| Publication number | Publication date |
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| CN106594206A (en) | 2017-04-26 |
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