CN204226584U - A kind of chain tension mechanism - Google Patents
A kind of chain tension mechanism Download PDFInfo
- Publication number
- CN204226584U CN204226584U CN201420726501.3U CN201420726501U CN204226584U CN 204226584 U CN204226584 U CN 204226584U CN 201420726501 U CN201420726501 U CN 201420726501U CN 204226584 U CN204226584 U CN 204226584U
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- China
- Prior art keywords
- chain
- sprocket wheel
- tension mechanism
- chain tension
- slide block
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Abstract
The utility model discloses a kind of chain tension mechanism, be located in frame, for carrying out tensioner to the chain in chain drive, chain drive comprises chain, sprocket wheel, chain tension mechanism comprises the guide rail be located in frame, the slide block be located on guide rail that can slide along the length bearing of trend of guide rail, one of them sprocket wheel is the first sprocket wheel, what the first sprocket wheel can rotate around Pivot Point Center line direction is located on slide block, chain tension mechanism also comprises driving slide block makes the first sprocket wheel near the telescopic cylinder of chain at slide on rails, telescopic cylinder is located in frame, telescopic cylinder comprises cylinder body and external part, external part and slide block are fixedly connected.This device by arranging a Fastening mechanism on chain, by Driven by Hydraulic Cylinder sprocket wheel near chain, chain is in operation and can keeps tensioner in real time, and the tension force of chain tensioner can be made to keep evenly, in oil cylinder, the power of hydraulic oil is provided by the pressurized air of factory simultaneously, reduces the cost of production of factory.
Description
Technical field
the utility model relates to a kind of chain tension mechanism.
Background technique
the Fastening mechanism that existing equipment uses mostly is screw rod Fastening mechanism, and this kind of mechanism, only when equipment downtime, could adjust when namely chain is motionless, cannot realize the operating identical tension of chain.
also have and provide the Fastening mechanism of tensioner effect, i.e. cylinder Fastening mechanism in chain run, but because of the compressibility of gas large and easily cause when changing frequent and run shake in chain tension variation, can not well provide tensioner effect.
Summary of the invention
the purpose of this utility model is to provide one also can provide tensioner effect in chain, and can keep the Fastening mechanism of chain tensioner even tension.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of chain tension mechanism, be located in frame, for carrying out tensioner to the chain in chain drive, described chain drive comprises ringwise described chain, at least two rotate to be located in described frame and the sprocket wheel be positioned at for chain described in tensioning inside described chain, described chain tension mechanism comprises the guide rail be located in described frame, the slide block be located on described guide rail that can slide along the length bearing of trend of described guide rail, sprocket wheel described in one of them is the first sprocket wheel, what described first sprocket wheel can rotate around Pivot Point Center line direction is located on described slide block, described chain tension mechanism also comprises the described slide block of driving at described slide on rails to make described first sprocket wheel near the telescopic cylinder of described chain, described telescopic cylinder is located in described frame, described telescopic cylinder comprises cylinder body and external part, described external part and described slide block are fixedly connected.
preferably, described chain tension mechanism also comprises the oil tank storing hydraulic oil, one-way valve and stop valve is provided with between described cylinder body and described oil tank, described one-way valve is connected with described cylinder body phase pipeline respectively with one end of described stop valve, described one-way valve is connected with described oil tank phase pipeline respectively with the other end of described stop valve, when described chain tension mechanism is in running order, described one-way valve opens, described stop valve is closed, described hydraulic oil flows into described cylinder body by described one-way valve, and described external part promotes described first sprocket wheel and pushes against described chain; When described chain tension mechanism is in off working state, described stop valve is opened, and described hydraulic oil flows back in described oil tank by described stop valve, and described external part drives described first sprocket wheel away from described chain.
more preferably, described chain tension mechanism also comprises the power system of the hydraulic coupling providing described hydraulic oil, described power system comprise be connected with described oil tank pipeline, be positioned at described ducted pressurized air.
still more preferably, be provided with piston in described oil tank, described pipeline is connected with described piston.
still more preferably, the pressure charging valve into described pressurized air supercharging is also provided with in described pipeline.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: the utility model device by arranging a Fastening mechanism on chain, by Driven by Hydraulic Cylinder sprocket wheel near chain, chain is in operation and can keeps tensioner in real time, and the tension force of chain tensioner can be made to keep evenly, in oil cylinder, the power of hydraulic oil is provided by the pressurized air of factory simultaneously, reduces the cost of production of factory.
Accompanying drawing explanation
accompanying drawing 1 is working principle schematic diagram of the present utility model;
accompanying drawing 2 is the annexation schematic diagram of sprocket wheel and telescopic cylinder.
wherein: 1, frame; 2, the first sprocket wheel; 3, guide rail; 4, slide block; 5, telescopic cylinder; 51, external part; 52, cylinder body; 6, oil tank; 61, hydraulic oil; 62, piston; 7, one-way valve; 8, stop valve; 9, pipeline; 10, pressure charging valve.
Embodiment
below in conjunction with accompanying drawing, the technical solution of the utility model is further elaborated.
see shown in Fig. 1 to Fig. 2, above-mentioned a kind of chain tension mechanism, be located in frame 1, for carrying out tensioner to the chain in chain drive, chain drive comprises ringwise chain, at least two rotate to be located in frame 1 and the sprocket wheel be positioned at for tension chain inside chain, this chain tension mechanism comprises the guide rail 3 be located in frame, the slide block 4 be located on guide rail 3 that can slide along the length bearing of trend of guide rail 3, one of them sprocket wheel is the first sprocket wheel 2, what this first sprocket wheel 2 can rotate around Pivot Point Center line direction is located on slide block 4, chain tension mechanism also comprises and drives slide block 4 to slide on guides 3 and make the first sprocket wheel 2 near the telescopic cylinder 5 of chain, this telescopic cylinder 5 is located in frame 1, telescopic cylinder 5 comprises cylinder body 52 and external part 51, this external part 51 is fixedly connected with slide block 4.In this enforcement, guide rail 3 has two, and slide block 4 is the slipper bearing through this guide rail 3, and what the first sprocket wheel 2 rotated around Pivot Point Center line is located on this slipper bearing.
this chain tension mechanism also comprises the oil tank 6 storing hydraulic oil 61, one-way valve 7 and stop valve 8 is provided with between cylinder body 52 and oil tank 6, one-way valve 7 is connected with cylinder body 52 phase pipeline respectively with one end of stop valve 8, one-way valve 7 is connected with oil tank 6 phase pipeline respectively with the other end of stop valve 8, when chain tension mechanism is in running order, one-way valve 7 is opened, stop valve 8 is closed, hydraulic oil 61 flows into cylinder body 52 by one-way valve 7, and external part 51 promotes the first sprocket wheel 2 under acting under the hydraulic coupling of hydraulic oil 61 and pushes against chain; When chain tension mechanism is in off working state, stop valve 8 is opened, and hydraulic oil 61 flows back in oil tank 6 by this stop valve 8, and external part 51 drives the first sprocket wheel 2 away from chain, makes chain be in relaxed state.
chain tension mechanism also comprises the power system of the hydraulic coupling providing hydraulic oil, this power system comprise be connected with oil tank 6 pipeline 9, be positioned at this ducted pressurized air, piston 62 is provided with in oil tank 6, this pipeline 9 connects 62 with this piston, is also provided with the pressure charging valve 10 into pressurized air increases in pipeline 9.
the concrete working procedure setting forth lower the present embodiment below:
when chain need of work tensioner chain, open one-way valve 7, close stop valve 8, in pipeline 9, pass into pressurized air simultaneously, this pressurized air presses to piston 62 after pressure charging valve 10 supercharging, piston 62 moves and is pressed in telescopic cylinder 5 by the hydraulic oil 61 in oil tank 6, now external part 51 drives slide block 4 to move on guides 3 under the pressure of hydraulic oil 61, being pushed against by first sprocket wheel 2 on chain makes chain keep real-time tensioner, when chain quits work, first stop passing into pressurized air in pipeline 9, then stop valve 8 is opened, hydraulic oil 61 is back in oil tank 6, first sprocket wheel 2 is pulled away from chain by telescopic cylinder 5.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a chain tension mechanism, be located in frame, for carrying out tensioner to the chain in chain drive, described chain drive comprises ringwise described chain, at least two rotate to be located in described frame and the sprocket wheel be positioned at for chain described in tensioning inside described chain, it is characterized in that: described chain tension mechanism comprises the guide rail be located in described frame, the slide block be located on described guide rail that can slide along the length bearing of trend of described guide rail, sprocket wheel described in one of them is the first sprocket wheel, what described first sprocket wheel can rotate around Pivot Point Center line direction is located on described slide block, described chain tension mechanism also comprises the described slide block of driving at described slide on rails to make described first sprocket wheel near the telescopic cylinder of described chain, described telescopic cylinder is located in described frame, described telescopic cylinder comprises cylinder body and external part, described external part and described slide block are fixedly connected.
2. a kind of chain tension mechanism according to claim 1, it is characterized in that: described chain tension mechanism also comprises the oil tank storing hydraulic oil, one-way valve and stop valve is provided with between described cylinder body and described oil tank, described one-way valve is connected with described cylinder body phase pipeline respectively with one end of described stop valve, described one-way valve is connected with described oil tank phase pipeline respectively with the other end of described stop valve, when described chain tension mechanism is in running order, described one-way valve opens, described stop valve is closed, described hydraulic oil flows into described cylinder body by described one-way valve, described external part promotes described first sprocket wheel and pushes against described chain, when described chain tension mechanism is in off working state, described stop valve is opened, and described hydraulic oil flows back in described oil tank by described stop valve, and described external part drives described first sprocket wheel away from described chain.
3. a kind of chain tension mechanism according to claim 2, it is characterized in that: described chain tension mechanism also comprises the power system of the hydraulic coupling providing described hydraulic oil, described power system comprise be connected with described oil tank pipeline, be positioned at described ducted pressurized air.
4. a kind of chain tension mechanism according to claim 3, it is characterized in that: be provided with piston in described oil tank, described pipeline is connected with described piston.
5. a kind of chain tension mechanism according to claim 3, is characterized in that: be also provided with the pressure charging valve into described pressurized air supercharging in described pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726501.3U CN204226584U (en) | 2014-11-26 | 2014-11-26 | A kind of chain tension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726501.3U CN204226584U (en) | 2014-11-26 | 2014-11-26 | A kind of chain tension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226584U true CN204226584U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420726501.3U Active CN204226584U (en) | 2014-11-26 | 2014-11-26 | A kind of chain tension mechanism |
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| Country | Link |
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| CN (1) | CN204226584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455255A (en) * | 2014-11-26 | 2015-03-25 | 江苏新美星包装机械股份有限公司 | Chain tensioning mechanism |
-
2014
- 2014-11-26 CN CN201420726501.3U patent/CN204226584U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455255A (en) * | 2014-11-26 | 2015-03-25 | 江苏新美星包装机械股份有限公司 | Chain tensioning mechanism |
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