CN201554782U - High-speed and heavy-load hydraulic safety coupling - Google Patents
High-speed and heavy-load hydraulic safety coupling Download PDFInfo
- Publication number
- CN201554782U CN201554782U CN2009201031567U CN200920103156U CN201554782U CN 201554782 U CN201554782 U CN 201554782U CN 2009201031567 U CN2009201031567 U CN 2009201031567U CN 200920103156 U CN200920103156 U CN 200920103156U CN 201554782 U CN201554782 U CN 201554782U
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- coupling
- connecting sleeve
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Abstract
A high-speed and heavy-load hydraulic safety coupling comprises a shear tube, a hydraulic oil chamber and a sealing element, and is characterized in that the main body of the safety coupling comprises a half-coupling I and a half-coupling II; the half-coupling I consists of a flange connection plate I and a connection sleeve; the half-coupling II consists of a flange connection plate II and a connection shaft; the connection sleeve of the half-coupling I is sleeved on the connection shaft of the half-coupling II; the hydraulic oil chamber is arranged in the connection sleeve of the half-coupling I; a radial hole communicated with the hydraulic oil chamber is formed at the front end of the connection sleeve; the shear tube is fixed in the radial hole; an ear plate is fixed on the connection plate II of the half-coupling II; and the end part of the ear plate is tangent to the tail end of the shear tube. The high-speed and heavy-load hydraulic safety coupling of the utility model has the advantages of simple structure, low manufacturing cost, wide applicability and flexible and convenient use, can be applied to steel rolling mills as well as other similar equipment, and is suitable to be used for different transmission shafts or devices only by replacing the flange.
Description
Technical field
The utility model relates to a kind of connection set, is specially a kind of hydraulic safety coupling that is used for rolling system equipment.
Background technique
Along with steel rolling is produced at a high speed, the improving constantly of heavy duty, automaticity, equipment operation rate is more and more higher, and machine utilization is increasing, and the overload protection of steel rolling equipment is also seemed particularly important.Coupling safe in utilization was in the majority with safety pin formula, friction pair type in the steel rolling equipment in the past, in recent years, a kind of new type hydraulic safety coupling is with its novel structure and the just cognitive and approval by increasing user of many outstanding advantages, utilization rate is progressively soaring, and the gesture that replaces the conventional security coupling is especially arranged greatly in key equipment.Existing hydraulic safety coupling normally is socketed in coupling one end on driving shaft or the driven shaft, forms high-voltage oil cavity between coupling and axle, makes the two locking with injecting high pressure oil in the oil pocket.As Chinese patent 942132769 disclosed " hydraulic safety coupling ", it is socketed with the flange connecting sleeve outside transmission shaft, the flange connecting sleeve is socketed with connecting sleeve outward, described connecting sleeve is made up of inside and outside connecting sleeve, a high-voltage oil cavity is arranged between inside and outside connecting sleeve, after injecting high pressure oil in the high-voltage oil cavity, the three is locked.When transmitting torque surpassed rated torque, high pressure oil was emitted, and connected to remove, and the protection transmission device is avoided infringement.The coupling deficiency of this structure is that coupling must in use can not be changed coupling according to the fixing coupling of transmission shaft, then need reconfigure if any damaging.And the coupling that is disposed also can only dispose a transmission shaft all the life, and it is very inconvenient to use.In addition, this coupler structure more complicated, cost of production height.Dwell time is short.
Summary of the invention
The utility model has designed a kind of high-speed overload hydraulic safety coupling at the deficiency that above-mentioned prior art exists.
A kind of high-speed overload hydraulic safety coupling, comprise cut pipe, hydraulic fluid chamber, Sealing, it is characterized in that described safety coupling main body is made up of half-coupling I and half-coupling II, described half-coupling I is made up of flange connecting plate I and connecting sleeve, half-coupling II is made up of flange connecting plate II and coupling shaft, the connecting sleeve of described half-coupling I is socketed on the coupling shaft of half-coupling II, in the connecting sleeve of half-coupling I hydraulic fluid chamber is arranged, the front end of connecting sleeve has radial hole to be communicated with hydraulic fluid chamber, and the radial hole internal fixation has cut pipe, be fixed with otic placode on the connecting plate II of half-coupling II, the end of otic placode and the tail end of cut pipe are tangent.
High-speed overload hydraulic safety coupling is characterized in that between connecting sleeve and coupling shaft rolling bearing being arranged.
High-speed overload hydraulic safety coupling of the present utility model, simple in structure, low cost of manufacture, applicability is wide, and it not only is used for rolling machinery, on other similar devices, this safety coupling is flexible and convenient to use, only needs to change flange and can be suitable for different transmission shaft or devices by a cover coupling.
Description of drawings
Fig. 1 is a high-speed overload hydraulic safety coupling structural representation of the present utility model
1-cut pipe 2-half-coupling I 3-hydraulic fluid chamber 4-rolling bearing 5-half-coupling II6-Sealing
Embodiment
With reference to accompanying drawing high-speed overload hydraulic safety coupling of the present utility model, form by half-coupling I and half-coupling II, wherein half-coupling I is made up of flange connecting plate I and connecting sleeve, half-coupling II is made up of flange connecting plate II and coupling shaft, connecting sleeve is socketed on the coupling shaft, rolling bearing 4 is arranged between coupling shaft and connecting sleeve, a hydraulic fluid chamber 3 is arranged in the connecting sleeve of half-coupling I, there is radial hole to be communicated with hydraulic fluid chamber 3 in the connecting sleeve front portion, the radial hole internal fixation has cut pipe 1, be fixed with otic placode on the flange connecting plate II, the tail end of the end of otic placode and cut pipe 1 is tangent.Also has rolling bearing 4 between connecting sleeve and coupling shaft.
During work, that the flange connecting plate I on half-coupling I and the half-coupling II and flange connecting plate II is fixing by adpting flange and motor shaft (driving shaft) and reducer shaft (driven shaft) respectively.By oil hole hydraulic oil is injected in the hydraulic fluid chamber 3 of half-coupling I and reach the force value of regulation, hydraulic fluid chamber 3 expands under the effect of oil pressure, and makes the axle swelling of its inwall and half-coupling II, dependence frictional force transmitting torque between two half-couplings.The size of this frictional force has determined the rated torque that coupling can transmit: when actual load surpasses the rated torque of coupling; overcome the frictional force between two half-couplings; relative movement takes place in the two; otic placode on the half-coupling I cuts off the cut pipe on the half-coupling II; high pressure oil moment in the hydraulic pressure oil gun is released, and the hydraulic pressure oil gun shrinks, the axle disengagement of the inwall of half-coupling I and half-coupling II; two half-couplings dally under bearing, thereby equipment is played a protective role.
High-speed overload hydraulic safety coupling of the present utility model and traditional safety coupling relatively mainly contain following outstanding characteristics:
1) nominal torque can accurately be set, and is more reliable and more stable. Traditional safety coupling such as safety pin formula and friction pair type, owing to be subjected to the impact of different batches safety pin, friction pair or spring performance difference, the nominal torque value can fluctuate to some extent; For hydraulic safety coupling, the user only need be pressurized to authorized pressure and get final product, and rated moment is more easy to control, and is more reliable and more stable.
2) rated moment can be regulated easily according to working condition. Provided the pressure of the required pressurising of corresponding different nominal torques before this product export through overtesting, the user can change the size of rated moment as required by changing pressurising pressure; Although safety pin formula or friction pair type safety coupling can change nominal torque by changing safety pin shearing section area or pressing force of the spring, be not as convenient as the former, the nominal torque value of its setting is also not too accurate.
3) fast quick-recovery after the overload, operating cost is low. Behind the apparatus overload, hydraulic safety coupling only needs can reuse after a few minutes pressurising, and it consumes only is several cut pipes and a small amount of hydraulic oil; And needing to change safety pin or friction plate etc. after safety pin formula or the friction disk type safety coupling overload, recovery time is longer, consumption is also bigger.
Claims (2)
1. high-speed overload hydraulic safety coupling, comprise cut pipe (1), hydraulic fluid chamber (3), Sealing (6), it is characterized in that described safety coupling main body is made up of half-coupling I (2) and half-coupling II (5), described half-coupling I (2) is made up of flange connecting plate I and connecting sleeve, half-coupling II (5) is made up of flange connecting plate II and coupling shaft, the connecting sleeve of described half-coupling I (2) is socketed on the coupling shaft of half-coupling II (5), hydraulic fluid chamber (3) is arranged in the connecting sleeve of half-coupling I, the front end of connecting sleeve has radial hole to be communicated with hydraulic fluid chamber (3), the radial hole internal fixation has cut pipe (1), be fixed with otic placode on the connecting plate II of half-coupling II, the tail end of the end of otic placode and cut pipe (1) is tangent.
2. according to the high-speed overload hydraulic safety coupling of claim 1, it is characterized in that rolling bearing (4) is arranged between connecting sleeve and coupling shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031567U CN201554782U (en) | 2009-06-05 | 2009-06-05 | High-speed and heavy-load hydraulic safety coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031567U CN201554782U (en) | 2009-06-05 | 2009-06-05 | High-speed and heavy-load hydraulic safety coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554782U true CN201554782U (en) | 2010-08-18 |
Family
ID=42614464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201031567U Expired - Fee Related CN201554782U (en) | 2009-06-05 | 2009-06-05 | High-speed and heavy-load hydraulic safety coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943219A (en) * | 2010-10-14 | 2011-01-12 | 中国重型机械研究院有限公司 | Design method of connecting structure of flange shaft |
-
2009
- 2009-06-05 CN CN2009201031567U patent/CN201554782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943219A (en) * | 2010-10-14 | 2011-01-12 | 中国重型机械研究院有限公司 | Design method of connecting structure of flange shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20140605 |