CN205998550U - Chain hydraulic chain tightener - Google Patents
Chain hydraulic chain tightener Download PDFInfo
- Publication number
- CN205998550U CN205998550U CN201620860843.3U CN201620860843U CN205998550U CN 205998550 U CN205998550 U CN 205998550U CN 201620860843 U CN201620860843 U CN 201620860843U CN 205998550 U CN205998550 U CN 205998550U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- chain
- relief valve
- power source
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Chain hydraulic chain tightener, by hydraulic jack（1）, bidirectional hydraulic lock（2）, relief valve I（3）, relief valve II（4）, lead to O-shaped hand-operated direction valves for 34（5）With hydraulic power source composition, hand-operated direction valve（4）P mouth connect the oil-out of hydraulic power source, T mouth connects the oil return opening of hydraulic power source, hand-operated direction valve（5）A, B mouth respectively pass through relief valve I（3）, relief valve II（4）And bidirectional hydraulic lock（2）Connect hydraulic jack（1）Oil inlet and outlet, in hydraulic jack（1）The bottom of cylinder body and piston rod top each fix one for connect chain diameter 30mm bolt.Compared with prior art, manually reversal valve operates the flexible of jack to this utility model, carries out elastic adjustment to reach the chain to drag conveyor, this device simple structure, and easy to operate, this device volume is little, and cylinder is quick on the draw, and lifting is fast, time saving and energy saving.
Description
Technical field
This utility model is related to a kind of maintenance tool, especially a kind of hydraulic pressure for the elastic adjustment of scraper conveyer chain
Chain tightener.
Background technology
It is the chain that disconnects solving the problems, such as pipe drag conveyor in production process, conventional chain tightener is in reductor three axle
Plus driven pulley, the additional braking brake rubber block of driven pulley, when the big chain of drag conveyor is tightened to a certain degree, people's compression clutch.Due to
Drag conveyor reductor three axle is often subject to external force brake hard, causes drag conveyor reductor three sealing to damage oil leak,
Drag conveyor reductor three axle axial jump gap increases, thus causing gear failure, in turn resulting in reductor and damaging.To life
Product brings great difficulty.Both waste the cost of overhaul to use, waste substantial amounts of manpower and materials again.And conventional drag conveyor is torn open tightly
Big chain needs 4 people's coordinating operations just can complete：One people observes switch, finds can have a power failure in time during dangerous situation；One people touches button；One
People, with drag conveyor Dalian, prevents Dalian from protecting axillare in an opposite direction；One people, when big chain is tightened to a certain degree, fixes clutch immediately
Device.Then could tightly drag conveyor Dalian.In tight Dalian bumper car worry be switch adhesion break not open although switch with
Someone has a power failure and is also required to the time, is easiest to the sub- accident of chain rupture.Electric motor starting electric current is 6-7 times of rated current, during tight chain
General all frequent crawl, motor is often subject to heavy current impact, the main cause that motor frequently damages here it is coal-face flows over.
Therefore, design a kind of chain hydraulic chain tightener, be the current technical issues that need to address.
Content of the invention
Technical problem to be solved in the utility model is to provide a kind of chain hydraulic chain tightener.
The technical scheme in the invention for solving the technical problem is：
Chain hydraulic chain tightener, O-shaped is changed manually by hydraulic jack, bidirectional hydraulic lock, relief valve I, relief valve II, 34 are logical
To valve and hydraulic power source composition, the P mouth of hand-operated direction valve connects the oil-out of hydraulic power source, T mouth connects the oil return opening of hydraulic power source, manual reverse of direction
A, B mouth of valve passes through the oil inlet and outlet of relief valve I, relief valve II and bidirectional hydraulic interlocking hydraulic jack respectively, in hydraulic pressure thousand
The each bolt fixing a diameter 30mm for connecting chain in the top of the bottom of cylinder body on jin top and piston rod.
As a kind of preferred version of the present utility model, model DXSS10 of described bidirectional hydraulic lock, described peace
Full valve I, relief valve II are BSYF series safety relief valve.
As a kind of preferred version of the present utility model, described hydraulic jack is light placing support tail boom jack, its
Cylinder diameter 63mm, piston rod external diameter 45mm, stroke 500mm, the pressure of described hydraulic power source is 30Mpa.Light placing support tail boom is very heavy
The thrust on top is 93KN, and pulling force fully meets tight chain pulling force for 45KN.
Compared with prior art, manually reversal valve operates the flexible, to reach to scraper plate of jack to this utility model
The chain of conveyer carries out elastic adjustment, this device simple structure, and easy to operate, this device volume is little, and cylinder is quick on the draw, and rises
Fall is fast, time saving and energy saving.
Brief description
Fig. 1 is structural representation of the present utility model（The not shown bolt for connecting chain of in figure）.
Specific embodiment
As illustrated, chain hydraulic chain tightener, by hydraulic jack 1, bidirectional hydraulic lock 2, relief valve I 3, relief valve II 4,3
Position 4 leads to O-shaped hand-operated direction valve 5 and hydraulic power source composition, and the P mouth of hand-operated direction valve 5 connects the oil-out of hydraulic power source, T mouth connects hydraulic power source
Oil return opening, A, B mouth of hand-operated direction valve 5 passes through relief valve I 3, relief valve II 4 and bidirectional hydraulic lock 2 respectively and connects hydraulic jack
The oil inlet and outlet on top 1, fixes one for connecting chain the bottom of the cylinder body of hydraulic jack 1 and the top of piston rod are each
The bolt of diameter 30mm.Model DXSS10 of described bidirectional hydraulic lock 2, described relief valve I 3, relief valve II 4 are BSYF
Series safety relief valve.Hydraulic jack is light placing support tail boom jack, its cylinder diameter 63mm, piston rod external diameter 45mm, stroke
500mm, the pressure of described hydraulic power source is 30Mpa.
Claims (3)
1. chain hydraulic chain tightener, by hydraulic jack（1）, bidirectional hydraulic lock（2）, relief valve I（3）, relief valve II（4）, 34
Lead to O-shaped hand-operated direction valve（5）With hydraulic power source composition it is characterised in that hand-operated direction valve（5）P mouth connect hydraulic power source oil-out,
T mouth connects the oil return opening of hydraulic power source, hand-operated direction valve（5）A, B mouth respectively pass through relief valve I（3）, relief valve II（4）With two-way
Hydraulic lock（2）Connect hydraulic jack（1）Oil inlet and outlet, in hydraulic jack（1）The bottom of cylinder body and piston rod top
Each bolt fixing a diameter 30mm for connecting chain.
2. chain hydraulic chain tightener according to claim 1 is it is characterised in that described bidirectional hydraulic lock（2）Model
DXSS10, described relief valve I（3）, relief valve II（4）For BSYF series safety relief valve.
3. chain hydraulic chain tightener according to claim 1 is it is characterised in that described hydraulic jack（1）Prop up for putting down gently
Frame tail boom jack, its cylinder diameter 63mm, piston rod external diameter 45mm, stroke 500mm, the pressure of described hydraulic power source is 30Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860843.3U CN205998550U (en) | 2016-08-10 | 2016-08-10 | Chain hydraulic chain tightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860843.3U CN205998550U (en) | 2016-08-10 | 2016-08-10 | Chain hydraulic chain tightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205998550U true CN205998550U (en) | 2017-03-08 |
Family
ID=58199951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860843.3U Expired - Fee Related CN205998550U (en) | 2016-08-10 | 2016-08-10 | Chain hydraulic chain tightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205998550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239895A (en) * | 2018-03-08 | 2019-09-17 | 中煤张家口煤矿机械有限责任公司 | Automatic tight chain device |
-
2016
- 2016-08-10 CN CN201620860843.3U patent/CN205998550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239895A (en) * | 2018-03-08 | 2019-09-17 | 中煤张家口煤矿机械有限责任公司 | Automatic tight chain device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170810 |