CN204653037U - Maize harvesting machine and belt stretcher thereof - Google Patents
Maize harvesting machine and belt stretcher thereof Download PDFInfo
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- CN204653037U CN204653037U CN201520275027.1U CN201520275027U CN204653037U CN 204653037 U CN204653037 U CN 204653037U CN 201520275027 U CN201520275027 U CN 201520275027U CN 204653037 U CN204653037 U CN 204653037U
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- wheel shaft
- tension wheel
- belt stretcher
- regulating
- tensioning
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Abstract
The utility model relates to a kind of maize harvesting machine and belt stretcher thereof, comprise frame, tensioning wheel assembly, described tensioning wheel assembly comprises tension wheel shaft and regulating wheel, described regulating wheel is arranged on described tension wheel shaft by bearing, described frame comprises wallboard and base plate, described wallboard is provided with vertical gathering sill, and described base plate is provided with vertical pilot hole; Described tension wheel shaft is arranged in described vertical gathering sill; One end of described tension wheel shaft is radially provided with screwed hole, tensioning screw is coated with in described vertical pilot hole, head end and the described screwed hole of described tensioning screw are in transmission connection, and the tail end of described tensioning screw is provided with regulating nut, and described regulating nut is pressed on the outside of described base plate.The utility model can realize the step-less adjustment of tensioning, accurate positioning, and effectively prevents loosening of regulating wheel.
Description
Technical field
The utility model relates to the harvesting apparatus of corn, particularly a kind of maize harvesting machine and belt stretcher thereof.
Background technology
Existing maize harvesting machine adopts engine to be power, in order to ensure that power is effectively delivered to next procedure, the mode of usual employing V band or chain drive, rotating speed is adjusted by the size of belt wheel pitch diameter or the number of teeth number of sprocket, simple and convenient due in assembling and use procedure, V is with and chain in use can effective transfer motion power.In order to keep suitable belt tension, avoid belt creep, compensate belt wearing and tearing and aging after the elongation that causes, V band and chain all will have certain rate of tension, and this is also must the content of emphasis consideration in power transmission.
Tensioning method under normal circumstances first regulates regulating wheel position then to be fixed by regulating wheel fastening bolt, or prevent regulating wheel from sliding by tooth form plate, waste time and energy, and in use easily the loosening regulating wheel that causes is loosening, affect transmission of power, damage other related components, even endanger the safety of miscellaneous equipment, affect operating efficiency.Therefore, need to propose a kind of maize harvesting machine and belt stretcher thereof.
Summary of the invention
The purpose of this utility model is to provide a kind of maize harvesting machine and belt stretcher thereof, to solve the defect existed in prior art.
The purpose of this utility model is realized by following technical proposals: a kind of belt stretcher of maize harvesting machine, comprise frame, tensioning wheel assembly, described tensioning wheel assembly comprises tension wheel shaft and regulating wheel, described regulating wheel is arranged on described tension wheel shaft by bearing, described frame comprises wallboard and base plate, described wallboard is provided with vertical gathering sill, and described base plate is provided with vertical pilot hole; Described tension wheel shaft is arranged in described vertical gathering sill; One end of described tension wheel shaft is radially provided with screwed hole, tensioning screw is coated with in described vertical pilot hole, head end and the described screwed hole of described tensioning screw are in transmission connection, and the tail end of described tensioning screw is provided with regulating nut, and described regulating nut is pressed on the outside of described base plate.
Another object of the present utility model is realized by following technical proposals: a kind of maize harvesting machine, comprises belt stretcher.
The utility model compared with prior art tool has the following advantages:
The utility model realizes the step-less adjustment of tensioning by tensioning screw, regulating wheel accurate positioning, and effectively prevents loosening of regulating wheel; Meanwhile, utilize buffer spring to avoid stress to concentrate, extend the service life of tensioning apparatus; The utility model structure is simple, and production cost is low.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of frame;
Fig. 3 is another structural representation of the present utility model;
Fig. 4 is the scheme of installation of belt stretcher.
Description of reference numerals:
1-tensioning screw; 2-tension wheel shaft; 3-adjusts pad; 4-adjusts packing ring; 5-spacer; 6-regulating wheel; 7-lubricating sleeve; 8-hole back-up ring; 9-bearing; 10-plain washer; 11-bullet pad; 12-nut; 13-lubricating cup; 14-base plate; 15-wallboard; The vertical gathering sill of 16-; The vertical pilot hole of 17-; 18-buffer spring; 19-regulating nut; 20-frame.
Embodiment
See Fig. 1, Fig. 2, a kind of belt stretcher of maize harvesting machine, comprise frame 20, tensioning wheel assembly, described tensioning wheel assembly comprises tension wheel shaft 2 and regulating wheel 6, described regulating wheel is arranged on described tension wheel shaft by bearing 9, described frame comprises wallboard 15 and base plate 14, and described wallboard is provided with vertical gathering sill 16, and described base plate is provided with vertical pilot hole 17; Described tension wheel shaft is arranged in described vertical gathering sill; One end of described tension wheel shaft is radially provided with screwed hole, tensioning screw 1 is coated with in described vertical pilot hole, head end and the described screwed hole of described tensioning screw are in transmission connection, and the tail end of described tensioning screw is provided with regulating nut 19, and described regulating nut is pressed on the outside of described base plate.
See Fig. 2, in the present embodiment, the base that described frame comprises one piece of base plate 14 and four pieces of wallboards, 15, four pieces of wallboards is fixedly connected with the four edges of base plate respectively, and described floor level is arranged, and described four pieces of wallboards are vertically arranged.As shown in Figure 1, the wallboard on right side is provided with vertical gathering sill 16, the axis of described tension wheel shaft and the wallboard on described right side perpendicular, described tension wheel shaft 2 can move up and down along described vertical gathering sill; The wallboard in left side is then fixedly mounted by the frame of connector and maize harvesting machine.Described base plate is provided with vertical pilot hole 17, is coated with tensioning screw 1 in this vertical pilot hole, and tensioning screw can move up and down along vertical pilot hole.
In the present embodiment, one end of described tension wheel shaft 2 is radially provided with screwed hole, and head end and the described screwed hole of described tensioning screw 1 are in transmission connection, and the tail end of described tensioning screw is provided with regulating nut 19; In a tensioned state, the bar portion of described tensioning screw is positioned at the inner side (upside) of described base plate, and described regulating nut is pressed on the outside (downside) of described base plate.The other end order of described tension wheel shaft is provided with plain washer 10, bullet pad 11, nut 12.
See Fig. 3, further, described tensioning screw is set with buffer spring 18, one end of described buffer spring is pressed on the plate outer side of described frame, and the other end of described buffer spring is pressed on described regulating nut.Maize harvesting machine is provided with screw feeder, and screw conveyor shaft is fixed with drive pulley, and when the situation that overload operates appears in screw feeder in the course of the work, buffer spring is compressed, and realizes the Automatic adjusument of tensioning apparatus, plays a protective role simultaneously to tensioning apparatus.
Further, described tension wheel shaft is arranged lubricating sleeve 7, described lubricating sleeve is provided with oil spilling mouth, and the other end of described tension wheel shaft is provided with lubricating cup 13, the inside of described tension wheel shaft is provided with oil transportation cavity, and described oil spilling mouth is communicated with described lubricating cup by described oil transportation cavity.By lubricating cup regularly to bearing grease up, ensure the normal operation of regulating wheel, reduce the wearing and tearing of regulating wheel, extend the service life of regulating wheel.
Further, described tension wheel shaft 2 is provided with two bearings 9, described lubricating sleeve 7 is arranged between described two bearings.Two bearings can make the operation of regulating wheel more steady, and lubricating sleeve is arranged between described two bearings, more balanced to the lubrication of two bearings.
Further, the axis hole both ends of described regulating wheel are provided with two hole back-up rings 8, and described two hole back-up rings are pressed on the outer ring of described two bearings 9 respectively.Simplified the installation and removal operation of regulating wheel by installing hole back-up ring, be convenient for changing regulating wheel.
Further, described tension wheel shaft is fixed with two elastomeric pads, described two elastomeric pads are clamped in the wallboard both sides of described frame, and described tension wheel shaft is installed by the wallboard of described two elastomeric pads and described frame.In the present embodiment, described elastomeric pad forms by adjusting pad 3 and adjusting packing ring 4.Can auxiliary positioning regulating wheel by installing elastomeric pad, share the radial component that partial tension wheel shaft is subject to; When adjusting belt tension is spent, be beneficial to again the smooth and easy movement of tension wheel shaft.
Further, described tension wheel shaft 2 is set with spacer 5, described spacer is arranged between described regulating wheel 6 and described elastomeric pad 3.Described spacer one end is pressed on described elastomeric pad, and the described spacer other end is pressed on the inner ring of described bearing.The structure of tensioning shaft can be simplified by installing spacer, reducing the processing cost of tensioning shaft; The axial location of regulating wheel can be regulated by the spacer changing different size, widen the scope of application of tensioning apparatus.
See Fig. 4, in the present embodiment, the belt gear of maize harvesting machine comprises drive pulley, driven pulley, V band, and described regulating wheel 6 is pressed on the outside that described V is with.The utility model realizes the step-less adjustment of tensioning by tensioning screw, regulating wheel accurate positioning, and effectively prevents loosening of regulating wheel; Meanwhile, utilize buffer spring to avoid stress to concentrate, extend the service life of tensioning apparatus; The utility model structure is simple, and production cost is low.
The maize harvesting machine of the present embodiment, described maize harvesting machine is provided with above-mentioned belt stretcher.
The content of the present embodiment is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. the belt stretcher of a maize harvesting machine, comprise frame, tensioning wheel assembly, described tensioning wheel assembly comprises tension wheel shaft and regulating wheel, described regulating wheel is arranged on described tension wheel shaft by bearing, it is characterized in that: described frame comprises wallboard and base plate, described wallboard is provided with vertical gathering sill, and described base plate is provided with vertical pilot hole; Described tension wheel shaft is arranged in described vertical gathering sill; One end of described tension wheel shaft is radially provided with screwed hole, tensioning screw is coated with in described vertical pilot hole, head end and the described screwed hole of described tensioning screw are in transmission connection, and the tail end of described tensioning screw is provided with regulating nut, and described regulating nut is pressed on the outside of described base plate.
2. belt stretcher according to claim 1, it is characterized in that: described tensioning screw is set with buffer spring, one end of described buffer spring is pressed on the plate outer side of described frame, and the other end of described buffer spring is pressed on described regulating nut.
3. belt stretcher according to claim 1 and 2, it is characterized in that: described tension wheel shaft arranges lubricating sleeve, described lubricating sleeve is provided with oil spilling mouth, the other end of described tension wheel shaft is provided with lubricating cup, the inside of described tension wheel shaft is provided with oil transportation cavity, and described oil spilling mouth is communicated with described lubricating cup by described oil transportation cavity.
4. belt stretcher according to claim 3, it is characterized in that: described tension wheel shaft is fixed with two elastomeric pads, described two elastomeric pads are clamped in the wallboard both sides of described frame, and described tension wheel shaft is installed by the wallboard of described two elastomeric pads and described frame.
5. belt stretcher according to claim 3, is characterized in that: described tension wheel shaft is provided with two bearings, and described lubricating sleeve is arranged between described two bearings.
6. belt stretcher according to claim 5, is characterized in that: the axis hole both ends of described regulating wheel are provided with two hole back-up rings, and described two hole back-up rings are pressed on the outer ring of described two bearings respectively.
7. belt stretcher according to claim 1 and 2, it is characterized in that: described tension wheel shaft is fixed with two elastomeric pads, described two elastomeric pads are clamped in the wallboard both sides of described frame, and described tension wheel shaft is installed by the wallboard of described two elastomeric pads and described frame.
8. belt stretcher according to claim 7, is characterized in that: described tension wheel shaft is set with spacer, and described spacer is arranged between described regulating wheel and described elastomeric pad.
9. a maize harvesting machine, is characterized in that: described maize harvesting machine comprises the belt stretcher as described in claim arbitrary in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275027.1U CN204653037U (en) | 2015-04-30 | 2015-04-30 | Maize harvesting machine and belt stretcher thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275027.1U CN204653037U (en) | 2015-04-30 | 2015-04-30 | Maize harvesting machine and belt stretcher thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204653037U true CN204653037U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275027.1U Active CN204653037U (en) | 2015-04-30 | 2015-04-30 | Maize harvesting machine and belt stretcher thereof |
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| CN (1) | CN204653037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697385A (en) * | 2017-03-28 | 2017-05-24 | 江苏创源电子有限公司 | Automatic membrane attachment device |
| CN114163846A (en) * | 2021-11-12 | 2022-03-11 | 凯圣新型建材科技(浙江)有限公司 | Aerogel thermal insulation coating and equipment for producing same |
-
2015
- 2015-04-30 CN CN201520275027.1U patent/CN204653037U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697385A (en) * | 2017-03-28 | 2017-05-24 | 江苏创源电子有限公司 | Automatic membrane attachment device |
| CN114163846A (en) * | 2021-11-12 | 2022-03-11 | 凯圣新型建材科技(浙江)有限公司 | Aerogel thermal insulation coating and equipment for producing same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.98, Songcheng Road, Kaifeng City, Henan Province Patentee after: Henan Zoomlion Intelligent Agricultural Machinery Co.,Ltd. Address before: No.98, Songcheng Road, Jinming District, Kaifeng City, Henan Province, 475004 Patentee before: HENAN RICHUANG GENERAL MACHINERY MANUFACTURE Co.,Ltd. |