CN103453092B - A kind of slag removal machine chain tension device and method - Google Patents
A kind of slag removal machine chain tension device and method Download PDFInfo
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- CN103453092B CN103453092B CN201310401558.6A CN201310401558A CN103453092B CN 103453092 B CN103453092 B CN 103453092B CN 201310401558 A CN201310401558 A CN 201310401558A CN 103453092 B CN103453092 B CN 103453092B
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Abstract
The present invention provides a kind of slag removal machine chain tension device and method, is made up of permanent seat, support screw rod, spring, adjusting nut, slideway support, chain, tensioning sprocket wheel, sprocket shaft, slide block, bearing, bearing web plate and screw rod web plate. When slag removal machine telescopic boom stretches out or retract action ends, tensioning sprocket wheel is lower under the action of the spring to be moved in free tensioning state; When telescopic boom is retracted or is stretched out, the vibration up and down of the chain constraint chain of tensioning sprocket wheel and engagement; When chain is stretched long, adjustable nut changes pre-pressure of the spring; When transverse force occurs in chain, preset clearance makes tensioning sprocket wheel move laterally, it is achieved laterally floating support guide; When chain pull changes, chain, with the motion of the tensioning upper and lower vertical direction of chain crop rotation, slows down and eliminates part moment tension force. The shock load frequently commutating and bringing can be effectively alleviated in the present invention, improves chain gear strained condition, it is to increase chain work-ing life and serviceability.
Description
Technical field
The invention belongs to transmission mechanism field, particularly relate to a kind of tightening device for slag removal machine chain and tensioning method thereof.
Background technology
Tradition slag removal machine employing is taken off slag plate and is taken off slag, takes off slag plate and is fixed on slag removal machine telescopic boom, with telescopic boom all around, upper inferior direction action, by the slag ladle taking off lower section containing sulphur slag. The expanding-contracting action of telescopic boom is completed by fluid motor-driven, chain and chain sprocket drive. Owing to expanding-contracting action is frequent, oil motor commutation is very big to the impact of chain, and service life of chain is low, and what abnormal well damage impact was produced carries out smoothly.
Chain drive is the engaged transmission belonging to and having center flexing part, and it has the Some features of geartransmission and V belt translation concurrently. Chain damages generally fatigure failure, abrasion, gummed etc., and wherein gummed damages too high relevant with rotating speed with lubrication; Wear and tear relevant with the position between drive sprocket and driven sprocket wheel and guide deflection sheave; In enclosed chain drive, fatigure failure is relevant with cycle index and shock load; When lubricating suitable, fatigure failure is the principal element determining chain drive ability. The abrasion of chain drive generally ensures by adjusting drive sprocket and the position between driven sprocket wheel, guide deflection sheave and reasonable spatial arrangement. When position changes between drive sprocket and driven sprocket wheel, guide deflection sheave, carrier bar may be caused additionally to bear the thrust of jockey sprocket, and cause chain strained condition to worsen and very easily damage.
The fatigure failure of chain drive generally adopts tightening device to reduce impact. But up to now, still it is applicable to the tightening device of slag removal machine this kind frequent commutation chain drive completely.
Summary of the invention
It is desirable to provide one can realize automatically adjusting on three-dimensional, effectively alleviate the shock load frequently commutating and bringing, improve chain gear strained condition, it is to increase the slag removal machine chain tension device and method of chain work-ing life and serviceability.
For this reason, the solution that the present invention takes is:
A kind of slag removal machine chain tension device, it is characterised in that, it is made up of permanent seat, support screw rod, spring, adjusting nut, slideway support, chain, tensioning sprocket wheel, sprocket shaft, slide block, bearing, bearing web plate and screw rod web plate; One piece of transverse slat outwards stretched out respectively it is welded with in the upper end of " U " shape permanent seat, a slideway support it is fixed with respectively inside transverse slat, two slideway support upper ends are fixed together by bearing web plate, connect one respectively and support screw rod outside transverse slat, support screw rod and wear in slide block screw hole; Middle part is provided with limiting block, inner end is connected on slideway support with the slide block inner slide of stomidium, and the sprocket shaft one end dog screw being arranged in slide block stomidium is locked, and is reserved with gap between at the bottom of the other end and stomidium hole; The tensioning sprocket wheel engaged with chain is installed on sprocket shaft by bearing; Supporting screw rod top and spring is housed, the lower end connection sliding block of spring, spring upper end is provided with adjusting nut, is fixed with screw rod web plate above adjusting nut; Permanent seat is connected to slag removal machine and supports on transverse arm.
Gap is all left between described slide block limiting block and slideway support and between support screw rod and slide block screw hole.
A kind of slag removal machine chain tension method, it is characterised in that, concrete grammar is:
The permanent seat of chain tension device is welded on the support transverse arm between slag removal machine drive sprocket and jockey sprocket, and tensioning sprocket engagement is pressed against above chain;
When slag removal machine telescopic boom stretches out or retract action ends, oil motor stops, and chain proceeds to stopping state by working order, and the tensioning sprocket wheel of chain tension device moves down under the pre-pressure of spring, makes chain be free tensioning state; When slag removal machine telescopic boom starts to retract or stretch out, oil motor reverse starting, tensioning sprocket wheel is subject to chain pulling force upwards and is greater than the downward pre-pressure of spring, the chain making tensioning sprocket wheel and engage with it rotates while slowly lifting, the vibration up and down of constraint chain, it is achieved the frequently effective buffering in commutation process and auto-tensioning;
When chain uses for some time to occur stretching long, changed the pre-pressure of spring by adjusting nut, regulate the initial tension being applied on chain;
When there is the transverse force that position deviation is brought in chain, between at the bottom of sprocket shaft and stomidium hole, between slide block limiting block and slideway support and the preset clearance supported between screw rod and slide block screw hole will make tensioning sprocket wheel can move among a small circle in transverse direction, it is achieved laterally floating support guide;
When the pulling force that chain is subject on direction forward or backward changes suddenly, chain, by the motion along with the tensioning upper and lower vertical direction of chain crop rotation, slows down and eliminates part moment tension force, improve the strained condition of chain.
The useful effect of the present invention is:
The present invention can realize the automatic adjustment of chain up and down, on all around and three-dimensional, makes chain keep tensioning state along chain sprocket drive direction, ensures the side direction thrust that carrier bar bears guide deflection sheave and brings simultaneously; Tightening device possesses and moves left and right function, and tightening pulley can be made to be on " two one lines " of drive sprocket and driven sprocket wheel all the time; Tightening device possesses and moves up and down function, makes tensioning power have automatic compensation function. Therefore, the shock load frequently commutating and bringing can be effectively alleviated in the present invention, improves chain gear strained condition, it is to increase chain work-ing life and serviceability.
Accompanying drawing explanation
Fig. 1 is slag removal machine chain tension device sectional view;
Fig. 2 is that slag removal machine chain tension device installs position view.
In figure: support transverse arm 1, permanent seat 2, support screw rod 3, chain 4, dog screw 5, spring 6, adjusting nut 7, slideway support 8, bearing 9, tensioning sprocket wheel 10, sprocket shaft 11, screw rod web plate 12, bearing web plate 13, pad 14, slide block 15, limiting block 16, jockey sprocket 17, tightening device 18, drive sprocket 19.
Embodiment
As seen from Figure 1, slag removal machine chain tension device of the present invention is mainly made up of support transverse arm 1, permanent seat 2, support screw rod 3, chain 4, spring 6, adjusting nut 7, slideway support 8, bearing 9, tensioning sprocket wheel 10, sprocket shaft 11, screw rod web plate 12, bearing web plate 13, slide block 15 and related fittings.
Slide block 15 is two, is processed with circular stomidium in the inner end of slide block 15, and centre is provided with one limiting block 16, and outside has the screw hole installed and support screw rod 3. Permanent seat 2 entirety, in " U " shape, is respectively welded with one piece of transverse slat outwards stretched out in the upper end of " U " shape, and the upper end being fixed with a slideway support 8, two slideway supports 8 inside transverse slat respectively is fixed together by bearing web plate 13. Outside the transverse slat of permanent seat 2, it is bolted one respectively supports screw rod 3, support screw rod 3 and wear in the screw hole of slide block 15. The inner slide of slide block 15 is connected on slideway support 8, and slide block 15 can be slided up and down along slideway support 8, is controlled the position of slideway support 8 by the limiting block 16 in the middle of slide block 15. The two ends of sprocket shaft 11 are arranged in the stomidium of slide block 15, and wherein the sprocket shaft 11 on right side is locked in stomidium by dog screw 5, and at the bottom of the spindle nose of the sprocket shaft 11 in left side and stomidium hole between be reserved with gap. Bearing 9 is housed on sprocket shaft 11, and edge dress tensioning sprocket wheel 10 outside bearing 9, tensioning sprocket wheel 10 engages with chain 4. On the top supporting screw rod 3, spring 6 being housed, the lower end of spring 6 leans on slide block 15, and the upper end of spring 6 is provided with adjusting nut 7, at spring 6 and slide block 15 and pad 14 is housed between spring 6 and adjusting nut 7 respectively. Being fixed with screw rod web plate 12 with nut above adjusting nut 7, the upper end that two support screw rods 3 is linked together by screw rod web plate 12. Permanent seat 2 is connected to slag removal machine and supports on transverse arm 1.
In order to realize chain 4 transverse direction and left and right guide function, therefore between the limiting block 16 and slideway support 8 of slide block 15, it is provided with preset clearance, simultaneously by the screw hole diameter of slide block 15 slightly larger than the diameter supporting screw rod 3, make also to leave between the screw hole of support screw rod 3 and slide block 15 gap.
The tool body controlling means of slag removal machine chain tension method of the present invention is:
First, as shown in Figure 2, being welded on the support transverse arm 1 of slag removal machine by the permanent seat 2 of chain tension device 18, its position is between drive sprocket 19 and jockey sprocket 17, and makes tensioning sprocket wheel 10 engagement be pressed against above chain 4, is tightened by chain 4.
When slag removal machine telescopic boom stretches out or retract action ends, oil motor stops, and chain 4 proceeds to stopping state by working order, and tensioning sprocket wheel 10 moves down under the pre-pressure of spring 6, makes chain 4 in free tensioning state. When slag removal machine telescopic boom starts to retract or stretch out, oil motor reverse starting, tensioning sprocket wheel 10 is subject to chain 4 pulling force upwards and is greater than the downward pre-pressure of spring 6, the chain 4 making tensioning sprocket wheel 10 and engage with it rotates while slowly lifting, thus avoid the severe vibration up and down of chain 4, it is achieved the effective buffering of chain 4 in frequent commutation process and auto-tensioning.
When chain 4 uses for some time to occur stretching long, change the pre-pressure of spring 6 by adjusting nut 7, regulate the initial tension being applied on chain 4, ensure that chain 4 is in tensioning state all the time.
When there is the transverse force that position deviation is brought in chain 4, due between at the bottom of left side sprocket shaft 11 spindle nose and stomidium hole, between the limiting block 16 of slide block 15 and slideway support 8 and support and be provided with preset clearance between screw rod 3 and the screw hole of slide block 15, thus tensioning sprocket wheel 10 can be moved among a small circle in transverse direction and direction, left and right, it is achieved laterally floating support guide function.
When the pulling force that chain 4 is subject on direction forward or backward changes suddenly, chain 4 does the motion of upper and lower vertical direction by along with tensioning sprocket wheel 10, slows down and eliminates part moment tension force, improves the strained condition of chain 4, thus play the provide protection to chain 4.
Claims (3)
1. a slag removal machine chain tension device, it is characterised in that, it is made up of permanent seat, support screw rod, spring, adjusting nut, slideway support, chain, tensioning sprocket wheel, sprocket shaft, slide block, bearing, bearing web plate and screw rod web plate; One piece of transverse slat outwards stretched out respectively it is welded with in the upper end of " U " shape permanent seat, a slideway support it is fixed with respectively inside transverse slat, two slideway support upper ends are fixed together by bearing web plate, connect one respectively and support screw rod outside transverse slat, support screw rod and wear in slide block screw hole; Middle part is provided with limiting block, inner end is connected on slideway support with the inner slide of the slide block of stomidium, and the sprocket shaft one end dog screw being arranged in slide block stomidium is locked, and is reserved with gap between at the bottom of the other end and stomidium hole; The tensioning sprocket wheel engaged with chain is installed on sprocket shaft by bearing; Supporting screw rod top and spring is housed, the lower end connection sliding block of spring, spring upper end is provided with adjusting nut, is fixed with screw rod web plate above adjusting nut; Permanent seat is connected to slag removal machine and supports on transverse arm.
2. slag removal machine chain tension device according to claim 1, it is characterised in that, all leave gap between the limiting block of described slide block and slideway support and between support screw rod and slide block screw hole.
3. the method for slag removal machine chain tension device described in an application rights requirement 1, it is characterised in that, concrete grammar is:
The permanent seat of chain tension device is welded on the support transverse arm between slag removal machine drive sprocket and jockey sprocket, and tensioning sprocket engagement is pressed against above chain;
When slag removal machine telescopic boom stretches out or retract action ends, oil motor stops, and chain proceeds to stopping state by working order, and the tensioning sprocket wheel of chain tension device moves down under the pre-pressure of spring, makes chain be free tensioning state; When slag removal machine telescopic boom starts to retract or stretch out, oil motor reverse starting, tensioning sprocket wheel is subject to chain pulling force upwards and is greater than the downward pre-pressure of spring, the chain making tensioning sprocket wheel and engage with it rotates while slowly lifting, the vibration up and down of constraint chain, it is achieved the frequently effective buffering in commutation process and auto-tensioning;
When chain uses for some time to occur stretching long, changed the pre-pressure of spring by adjusting nut, regulate the initial tension being applied on chain;
When there is the transverse force that position deviation is brought in chain, between at the bottom of sprocket shaft and stomidium hole, between slide block limiting block and slideway support and the preset clearance supported between screw rod and slide block screw hole will make tensioning sprocket wheel can move among a small circle in transverse direction, it is achieved laterally floating support guide;
When the pulling force that chain is subject on direction forward or backward changes suddenly, chain, by the motion along with the tensioning upper and lower vertical direction of chain crop rotation, slows down and eliminates part moment tension force, improve the strained condition of chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401558.6A CN103453092B (en) | 2013-09-06 | 2013-09-06 | A kind of slag removal machine chain tension device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401558.6A CN103453092B (en) | 2013-09-06 | 2013-09-06 | A kind of slag removal machine chain tension device and method |
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| Publication Number | Publication Date |
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| CN103453092A CN103453092A (en) | 2013-12-18 |
| CN103453092B true CN103453092B (en) | 2016-06-01 |
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| CN201310401558.6A Active CN103453092B (en) | 2013-09-06 | 2013-09-06 | A kind of slag removal machine chain tension device and method |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104028902B (en) * | 2014-06-20 | 2015-10-28 | 无锡洲翔激光设备有限公司 | Laser-scribing platform chain tensioning locating device |
| CN106548608B (en) * | 2015-09-18 | 2021-06-04 | 海湾安全技术有限公司 | Push plate of hand-pulling alarm device |
| CN105972171B (en) * | 2016-07-04 | 2020-04-17 | 莱芜钢铁集团有限公司 | Quick chain tensioning device |
| GB2553568A (en) * | 2016-09-09 | 2018-03-14 | Bamford Excavators Ltd | Pulley assembly |
| CN106628864A (en) * | 2016-12-23 | 2017-05-10 | 广东成功自动化设备有限公司 | Puller driven frame |
| CN106989148A (en) * | 2017-05-15 | 2017-07-28 | 海宁酷彩数码科技有限公司 | A kind of synchronous belt tension device for circular screen printer |
| CN108468765B (en) * | 2018-04-27 | 2023-07-11 | 西安坤蓝电子技术有限公司 | Device for simultaneously and steadily pre-tightening secondary belt |
| CN108545412A (en) * | 2018-05-28 | 2018-09-18 | 河北大业新能源科技有限公司 | A kind of flow production line automatic chain tensioning device |
| CN108644330A (en) * | 2018-06-01 | 2018-10-12 | 杨玲玲 | A kind of tensioner apparatus of bidirectional self-adaptive damping |
| CN114789018B (en) * | 2022-05-23 | 2023-09-29 | 中国科学院地理科学与资源研究所 | Fodder mixing arrangement is used in beasts and birds breed |
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| GB424504A (en) * | 1933-09-06 | 1935-02-22 | Gardiner S Conveyors Ltd | Improvements in or relating to endless conveyors |
| CN2815966Y (en) * | 2005-08-16 | 2006-09-13 | 贵阳铝镁设计研究院 | Chain tightening mechanism |
| CN101205964A (en) * | 2007-12-18 | 2008-06-25 | 上海人造板机器厂有限公司 | Tensioning mechanism of harrow for paving |
| CN201818746U (en) * | 2011-01-25 | 2011-05-04 | 洛阳升华感应加热有限公司 | Floating adjustment mechanism |
| CN202429648U (en) * | 2011-12-30 | 2012-09-12 | 福建联丰机械有限公司 | Synchronous tensioner of bucket elevator |
| CN202579854U (en) * | 2012-05-04 | 2012-12-05 | 辽宁石油机械制造有限公司 | Chain wheel tensioning device |
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- 2013-09-06 CN CN201310401558.6A patent/CN103453092B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424504A (en) * | 1933-09-06 | 1935-02-22 | Gardiner S Conveyors Ltd | Improvements in or relating to endless conveyors |
| CN2815966Y (en) * | 2005-08-16 | 2006-09-13 | 贵阳铝镁设计研究院 | Chain tightening mechanism |
| CN101205964A (en) * | 2007-12-18 | 2008-06-25 | 上海人造板机器厂有限公司 | Tensioning mechanism of harrow for paving |
| CN201818746U (en) * | 2011-01-25 | 2011-05-04 | 洛阳升华感应加热有限公司 | Floating adjustment mechanism |
| CN202429648U (en) * | 2011-12-30 | 2012-09-12 | 福建联丰机械有限公司 | Synchronous tensioner of bucket elevator |
| CN202579854U (en) * | 2012-05-04 | 2012-12-05 | 辽宁石油机械制造有限公司 | Chain wheel tensioning device |
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| CN103453092A (en) | 2013-12-18 |
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