CN204038416U - A kind of chain tensioning mechanism being applied to bucket elevator - Google Patents
A kind of chain tensioning mechanism being applied to bucket elevator Download PDFInfo
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- CN204038416U CN204038416U CN201420488045.3U CN201420488045U CN204038416U CN 204038416 U CN204038416 U CN 204038416U CN 201420488045 U CN201420488045 U CN 201420488045U CN 204038416 U CN204038416 U CN 204038416U
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- nut
- chain
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- stage clip
- expansion
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Abstract
The utility model discloses a kind of chain tensioning mechanism being applied to bucket elevator, comprise two expansion bearings being arranged on frame lower both sides, two expansion bearings are equipped with driven shaft, driven shaft is equipped with driven sprocket, driven sprocket connects chain, two the first nuts are fixed in the both sides of frame, one end of two adjustment screw rods is connected on two expansion bearings, the other end of two adjustment screw rods is spun on two the first nuts respectively, the second nut is all equipped with at the middle part of two adjustment screw rods, adjustment screw rod between second nut and expansion bearing overlaps and has stage clip, one end of stage clip is against on the second nut, the other end is pressed on expansion bearing, further, described expansion bearing is fixed with sleeve and matches with one end of stage clip, the lower end of described second nut is provided with groove and matches with the other end of stage clip, the utility model simplifies chain tension and regulates, and better protects chain, effectively improves bucket elevator serviceability.
Description
Technical field
The utility model relates to bucket elevator manufacturing technology field, especially a kind of chain tensioning mechanism being applied to bucket elevator.
Background technology
Bucket elevator is large because having operational throughput, and driving power is little, and hoisting depth is high, operates steadily reliable, and the advantages such as the life-span is long, have been widely used in conveying powdered, granular and little bulk without chiseling property of mill and the little material of chiseling property of mill.
Existing bucket elevator as shown in Figure 1, comprise frame 1a, the imput shaft 3a driven by driver train 2a is equipped with on the top of frame 1a, drive sprocket 4a imput shaft 3a is equipped with, two expansion bearing 5a are equipped with in the both sides, bottom of frame 1a, between two expansion bearing 5a, driven shaft 6a is housed, driven sprocket 7a driven shaft 6a is equipped with, chain 8a is housed between drive sprocket 4a and driven sprocket 7a, multiple hopper 9a interval is fixed on chain 8a, one side lower part of frame 1a is provided with inlet point 11a, the top of frame 1a opposite side is provided with discharging opening 12a, between two expansion bearing 5a and frame 1a, chain tensioning mechanism 10a is all housed.During work, hopper 9a from inlet point 11a place scoops, rises to top along with chain 8a moves up material, walks around drive sprocket 4 rear hopper 9a and overturns downwards, material is poured out from discharging opening 12a.
Chain tensioning mechanism 10a provides tensile force to chain 8a, prevents chain 8a from taking off chain, and enables stub bar 9a comparatively smooth running.Existing chain tensioning mechanism 10a comprises an adjustment screw rod 101a and nut 102a, nut 102a is fixed on frame 1a, adjustment screw rod 101a one end is connected on expansion bearing 5a, the other end is spun on nut 102a, by rotating adjustment screw rod 101a, expansion bearing 5a is moved, expansion bearing 5a moves and driven shaft 6a is moved, the spacing of adjustment driven shaft 6a and imput shaft 3a, thus tensioning or loosen chain 8a.
This stretching device Problems existing is, maintainer can only rotate adjustment screw rod 101a by rule of thumb, with sensation for the tensioning of chain 8a, the tension to cause sometimes and exceed the tension degree of chain 8a, destroy the physical property of chain 8a, cause chain cleavage, maintenance load is large and had a strong impact on the normal production of equipment.
In addition, in actual use, in order to prevent dust from flying in bucket elevator, bucket elevator is all equipped with fully enclosed casing 20a, and for the chain 8a in casing 20a, patrol officer cannot check intuitively, more cannot Timeliness coverage problem, cause a blind area of equipment routing inspection; When chain 8a long time running use after, create wearing and tearing and elongate phenomenon can not get processing timely, de-chain phenomenon will be caused, the normal operation of equipment can be affected equally.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of chain tensioning mechanism being applied to bucket elevator, simplifies chain tension and regulates, better protect chain, effectively improve bucket elevator serviceability.
For achieving the above object, the technical solution of the utility model is: a kind of chain tensioning mechanism being applied to bucket elevator, comprise two expansion bearings being arranged on frame lower both sides, two expansion bearings are equipped with driven shaft, driven shaft is equipped with driven sprocket, driven sprocket connects chain, it is characterized in that: two the first nuts are fixed in the both sides of frame, one end of two adjustment screw rods is connected on two expansion bearings, the other end of two adjustment screw rods is spun on two the first nuts respectively, the second nut is all equipped with at the middle part of two adjustment screw rods, adjustment screw rod between second nut and expansion bearing overlaps and has stage clip, one end of stage clip is against on the second nut, the other end is pressed on expansion bearing.
Further improvement, described expansion bearing is fixed with sleeve and matches with one end of stage clip, and the lower end of described second nut is provided with groove and matches with the other end of stage clip.The stroke of stage clip can be made so comparatively accurate, enable stage clip better apply thrust to expansion bearing.
Further improvement, described sleeve is provided with stepped central hole, and sleeve lateral surface fixes by welding with expansion bearing.To facilitate the setting of sleeve.
Preferred described adjustment screw rod is trapezoidal screw, and the internal screw thread of the first nut and the second nut is trapezoidal thread.Can play and loosen effect preferably.
The utility model is owing to being all equipped with the second nut in the middle part of two adjustment screw rods, and the adjustment screw rod between the second nut and expansion bearing overlaps stage clip, and one end of stage clip is against on the second nut, the other end is pressed on expansion bearing.Like this when adjustment screw rod to match with the first nut expansion bearing is carried out at the beginning of locate after, chain is just by first pretension, then, rotate the second nut, by the second nut compression press spring, after making stage clip reach the amount of compression of setting, stage clip just can apply fixing predetermincd tension to expansion bearing, and chain tension degree just can accurately be determined.As long as therefore adjust the second nut, observe the length of stage clip, can conveniently determine chain tension degree, simplify chain tension and regulate, both prevented pine, and made chain take off chain, prevent again the tension opened, make chain breakage, better protect chain.
On the other hand, stage clip has buffer action, plays a very good protection, improve chain serviceability and service life to the tension degree of chain, effectively improves bucket elevator serviceability.
In addition, when the equipment of inspection, whether change as long as observe stage clip length, can adjust in time as changed, better can maintain the in-use performance of equipment, reduce maintenance of equipment cost, keep equipment reliability service.
Accompanying drawing explanation
Fig. 1 is a kind of known bucket elevator constructional drawing;
Fig. 2 is the utility model structural representation;
Fig. 3 is that the utility model second nut shaft is to cutaway view Amplified image;
Fig. 4 is that the utility model quill shaft is to cutaway view Amplified image.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 2 to Fig. 4, a kind of chain tensioning mechanism being applied to bucket elevator, comprise two expansion bearings 2 being arranged on both sides, frame 1 bottom, two expansion bearings 2 are equipped with driven shaft 3, two driven sprockets 4 driven shaft 3 are equipped with, two driven sprockets 4 connect a chain 5 respectively, two the first nuts 6 are fixed in the both sides of frame 1, one end of two adjustment screw rods 7 is connected on two expansion bearings 2, the other end of two adjustment screw rods 7 is spun on two the first nuts 6 respectively, the second nut 8 is all equipped with at the middle part of two adjustment screw rods 7, adjustment screw rod 7 between second nut 8 and expansion bearing 2 overlaps and has stage clip 9,
Each expansion bearing 2 is fixed with sleeve 21 match with one end of stage clip 9, described sleeve 21 is provided with stepped central hole 211, and the macropore in stepped central hole 211 matches with one end of stage clip 9, and sleeve 21 lateral surface fixes by welding with expansion bearing 2;
The lower end of described second nut 8 is provided with groove 81 and matches with the other end of stage clip 9.One end of stage clip 9 is against on the second nut 8, the other end is pressed on the sleeve 21 that fixes with expansion bearing 2.
Preferred described adjustment screw rod 7 is trapezoidal screw, and the internal screw thread of the first nut 6 and the second nut 8 is trapezoidal thread.
When the utility model uses, first rotate adjustment screw rod 7, adjust the first nut 6 and adjustment screw rod 7 relative position, just location is carried out to expansion bearing 2, then rotates the second nut 8, can put into operation after the amount of compression of adjustment stage clip 9 reaches the length of setting.
Like this by pressure and the buffer action of stage clip 9, reach the object of automatic adjusting chain 5 tensioning degree.When itinerant mission personnel check equipment, as long as the length of observing stage clip 9 just can the tensioning degree of intuitive judgment chain 5, very clear, very intuitively, adjustment gets up to be easily understood.When stage clip 9 is controlled within a certain range, also chain 5 tension degree is played a very good protection.
Below be only the utility model preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (4)
1. one kind is applied to the chain tensioning mechanism of bucket elevator, comprise two expansion bearings being arranged on frame lower both sides, two expansion bearings are equipped with driven shaft, driven shaft is equipped with driven sprocket, driven sprocket connects chain, it is characterized in that: two the first nuts are fixed in the both sides of frame, one end of two adjustment screw rods is connected on two expansion bearings, the other end of two adjustment screw rods is spun on two the first nuts respectively, the second nut is all equipped with at the middle part of two adjustment screw rods, adjustment screw rod between second nut and expansion bearing overlaps and has stage clip, one end of stage clip is against on the second nut, the other end is pressed on expansion bearing.
2. a kind of chain tensioning mechanism being applied to bucket elevator according to claim 1, is characterized in that: described expansion bearing is fixed with sleeve and matches with one end of stage clip, the lower end of described second nut is provided with groove and matches with the other end of stage clip.
3. a kind of chain tensioning mechanism being applied to bucket elevator according to claim 2, it is characterized in that: described sleeve is provided with stepped central hole, sleeve lateral surface fixes by welding with expansion bearing.
4. a kind of chain tensioning mechanism being applied to bucket elevator according to any one of claims 1 to 3, is characterized in that: described adjustment screw rod is trapezoidal screw, and the internal screw thread of the first nut and the second nut is trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488045.3U CN204038416U (en) | 2014-08-28 | 2014-08-28 | A kind of chain tensioning mechanism being applied to bucket elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488045.3U CN204038416U (en) | 2014-08-28 | 2014-08-28 | A kind of chain tensioning mechanism being applied to bucket elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204038416U true CN204038416U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420488045.3U Active CN204038416U (en) | 2014-08-28 | 2014-08-28 | A kind of chain tensioning mechanism being applied to bucket elevator |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084262A (en) * | 2015-07-20 | 2015-11-25 | 安徽无为冠雄建材机械有限公司 | Tail assembly device for vertical bucket elevator |
| CN106628864A (en) * | 2016-12-23 | 2017-05-10 | 广东成功自动化设备有限公司 | Puller driven frame |
| CN108045876A (en) * | 2017-12-25 | 2018-05-18 | 无锡奥特维科技股份有限公司 | A kind of conveyer belt deviation correcting device |
| CN108045876B (en) * | 2017-12-25 | 2024-07-05 | 无锡奥特维科技股份有限公司 | Deviation correcting device for conveying belt |
-
2014
- 2014-08-28 CN CN201420488045.3U patent/CN204038416U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084262A (en) * | 2015-07-20 | 2015-11-25 | 安徽无为冠雄建材机械有限公司 | Tail assembly device for vertical bucket elevator |
| CN106628864A (en) * | 2016-12-23 | 2017-05-10 | 广东成功自动化设备有限公司 | Puller driven frame |
| CN108045876A (en) * | 2017-12-25 | 2018-05-18 | 无锡奥特维科技股份有限公司 | A kind of conveyer belt deviation correcting device |
| CN108045876B (en) * | 2017-12-25 | 2024-07-05 | 无锡奥特维科技股份有限公司 | Deviation correcting device for conveying belt |
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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: 20200522 Address after: 354000 Jinling Road 6, Jintang Industrial Park, Shaowu City, Nanping, Fujian Patentee after: FUJIAN YONGJING TECHNOLOGY Co.,Ltd. Address before: 354001, No. 18, new ammonia Road, Shaowu, Fujian, Nanping Patentee before: FUJIAN SHAOWU YONGFEI CHEMICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |