CN201363370Y - Cylindrical hydraulic coupler with double-layered outer sleeve and special mounting tool thereof - Google Patents
Cylindrical hydraulic coupler with double-layered outer sleeve and special mounting tool thereof Download PDFInfo
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- CN201363370Y CN201363370Y CNU2009200372460U CN200920037246U CN201363370Y CN 201363370 Y CN201363370 Y CN 201363370Y CN U2009200372460 U CNU2009200372460 U CN U2009200372460U CN 200920037246 U CN200920037246 U CN 200920037246U CN 201363370 Y CN201363370 Y CN 201363370Y
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- sleeve
- cover
- double
- interior cover
- middle cover
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Abstract
The utility model relates to a cylindrical hydraulic coupler with a double-layered outer sleeve, a special mounting tool and a dismounting method thereof. The cylindrical hydraulic coupler comprises an outer sleeve, a middle sleeve and an inner sleeve; the axial conicity of the inner diameter of the middle sleeve and the outer wall of the inner sleeve is the same; external threads are formed at the two ends of the inner sleeve respectively; the inner diameter of the inner sleeve is identical to the diameter of a connected shaft; a high-pressure oil circuit is arranged on the outer sleeve and the middle sleeve; and the starting point of the high-pressure oil circuit is arranged on the surface of the outer sleeve, while the destination point thereof reaches the contact surfaces of the axial conicity of the middle sleeve and the inner sleeve. The special mounting tool comprises a hydraulic nut and a spacing ring. The utility model has the advantages that the hydraulic coupler has a simple structure and convenient processing; the special tool can be used repeatedly; hot jackets are not required in use, so that the operation is simple; stress concentration is avoided due to no key connection; the shafting weight is lightened and the inertia in the movement is reduced through the detachable hydraulic nut; the spacing ring can ensure accuracy positioning of the outer sleeve; and the coupler has prestress by using the double-layered outer sleeve, thereby improving the strength of the coupler and the capability that the coupler transmit torque.
Description
Technical field
The utility model relate to a kind of axle with spool between the hydrocoupling and the special installation tool thereof that connect, especially a kind of double-layer sleeve drum type hydrocoupling and special installation tool thereof.
Background technique
Coupling is the vital part that connects in the transmission system, and existing coupling majority is a keyway formula coupling, and the coupling of the type requires than higher the diameter of axle, and the keyway place is easy to generate stress and concentrates, and mounting or dismounting are also relatively more difficult.
Hydrocoupling compare with keyway formula coupling have easy for installation, the power concentration phenomenon that does not have the keyway place, existing hydrocoupling generally is that limiting board, piston are arranged on the overcoat end, the interior cover that promotes the band tapering by high pressure oil makes itself and axle interference fit joint together, this hydrocoupling is owing to limiting board, piston are arranged on constituent element, the not only processing difficulties of overcoat end as hydrocoupling, and inseparable with hydrocoupling, form waste.
Summary of the invention
The purpose of this utility model is: in present hydrocoupling, limiting board, piston are arranged on the constituent element of overcoat end as hydrocoupling, cause problems such as processing difficulties and raw-material waste, a kind of new double-layer sleeve drum type hydrocoupling and special installation tool thereof are provided.
The purpose of this utility model is achieved in that a kind of double-layer sleeve drum type hydrocoupling, comprise overcoat, middle cover and interior cover, it is characterized in that: the middle cover internal diameter is increased gradually to the rear end by front end and forms axial tapering, interior cover outer wall from front to back has identical axial tapering with middle cover, the two ends of interior cover are provided with outside thread, and the internal diameter of interior cover is consistent with the coupled diameter of axle; Overcoat and middle cover are provided with high-pressure oil passage, and the starting point of described high-pressure oil passage is at sleeve surface, and terminal point arrives at the axial tapering surface of contact of middle cover and interior cover.
In the utility model: be carved with helical oil groove on the middle cover internal surface.
In the utility model: the internal diameter sleeve pipe consistent with the diameter of axle that is coupled contained in the front-end and back-end of interior cover, and sleeve pipe is provided with identical outside thread.
In model utility: described outside thread is a buttress thread form.
A kind of special installation tool of above-mentioned hydrocoupling, it is characterized in that: setting tool is made up of hydraulic nut and limited ring, wherein: hydraulic nut comprises the hydraulic cylinder and the annular piston of annular, one end of hydraulic cylinder is provided with the high pressure oilhole, the other end is provided with end cap, the internal ring wall of hydraulic cylinder be provided with interior cover in the screw thread of outside thread coupling, at least contain three highly consistent push rods on the annular piston in the hydraulic cylinder, described push rod is evenly distributed on the anchor ring of piston, and passes end cap; Limited ring comprises flange plate and adjustable caging bolt, be provided with in the flange plate with interior cover in the screw thread of outside thread coupling, be evenly distributed with three adjustable caging bolts on the anchor ring of flange plate at least.
Advantage of the present utility model is: because limiting board, piston are separated from hydrocoupling, make the structure of hydrocoupling simpler, process convenient; Limited ring and the hydraulic nut that contains annular piston, can be reused when the hydrocoupling of same size is installed as special tool; Because the internal diameter sleeve pipe consistent with the diameter of axle that is coupled contained in the front-end and back-end of interior cover, sleeve pipe is provided with identical outside thread, in the use,, just can finish the hydrocoupling installation or removal as long as select limited ring and the different installation sides of hydraulic nut in hydrocoupling; Since in use need not hot jacket, simple to operate; Adopt no key to connect, avoid stress to concentrate, reduced the size of axle; Increase interior nested structure, reduced the difficulty of processing of axle, the commutativity height of interior cover; Hydraulic nut adopts separable structure, has alleviated the weight of axle system and the inertia in the motion; Increased limited ring, the coupling overcoat can accurately be located when mounted; Use double-layer sleeve (overcoat and middle cover) structure, carried out the prestressing force design, improved the intensity of coupling and the ability of coupling transmitting torque.
Description of drawings
Fig. 1 is that the hydrocoupling that relates to of the utility model and the embodiment of special installation tool make up schematic representation.
Among the figure: 1, overcoat, 2, middle cover, 3, interior cover, 4, hydraulic nut, 5, limited ring, 6, high-pressure oil passage, 7, the high pressure oilhole, 8, annular piston, 9, end cap, 10, caging bolt.
Embodiment
Accompanying drawing discloses the utility model embodiment's combination schematic representation without limitation, and the utility model will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, double-layer sleeve drum type hydrocoupling, comprise overcoat 1, middle cover 2 and interior cover 3, wherein: middle cover 2 internal diameters are increased gradually to the rear end by front end and form axial tapering, interior cover 3 outer wall from front to back has identical axial tapering with middle cover 2, in cover 3 two ends be provided with outside thread, the internal diameter of interior cover 3 is consistent with the diameter of axle of coupled two axles; Overcoat 1 and middle cover 2 are provided with high-pressure oil passage 6, and the starting point of described high-pressure oil passage 6 is on overcoat 1 surface, and terminal point arrives at the axial tapering surface of contact of middle cover 2 and interior cover 3.In the present embodiment, the internal diameter sleeve pipe consistent with the diameter of axle that is coupled contained in the front-end and back-end of interior cover 3, and sleeve pipe is provided with identical outside thread.During concrete enforcement, can be carved with helical oil groove on the middle cover internal surface, described outside thread can buttress thread form.
Setting tool is made up of hydraulic nut 4 and limited ring 5, wherein: hydraulic nut 4 comprises the hydraulic cylinder and the annular piston 8 of annular, one end of hydraulic cylinder is provided with high pressure oilhole 7, the other end is provided with end cap 9, the internal ring wall of hydraulic cylinder be provided with interior cover 3 in the screw thread of outside thread coupling, at least contain three highly consistent push rods on the annular piston 8 in the hydraulic cylinder, described push rod is evenly distributed on the anchor ring of piston, and passes end cap 9; Limited ring 5 comprises flange plate and adjustable caging bolt 10, be provided with in the flange plate with interior cover 3 in the screw thread of outside thread coupling, be evenly distributed with three adjustable caging bolts 10 on the anchor ring of flange plate at least.
Installation process of the present utility model is: earlier interior cover 3 is placed on the predetermined docking location of two axles that need connection, by the hot jacket method overcoat 1 is enclosed within middle cover 2 outer surfaces and forms interference fit joint again, overlap on 3 in then the integral body of the overcoat 1 of interference fit joint and middle cover 2 tentatively being enclosed within, there is not magnitude of interference between the conical surface of cover 3 and middle cover 2 in this moment, hydraulic nut 4 is spun on the outside thread of interior cover 3 front ends, make the push rod on the annular piston 8 touch middle cover 2, limited ring 5 is spun on the outside thread of interior cover 3 rear ends, adjust the qualification position of limited ring 5 upper limit bolts 10, then the helical oil groove by high-pressure oil passage 6 in overcoat 1 and the middle cover 2 and middle cover 2 inner wall surface injects high pressure oil between the axial conical surface, cover 3 is pressed on two axles in making, overcoat 1 and middle cover 2 are expanded simultaneously, then by suppressing in 7 pairs of hydraulic nuts 4 of high pressure oilhole, make annular piston 8 produce end thrust, at this moment, the integral body of overcoat 1 and middle cover 2 moves on interior cover 3, after moving on to the position of limited ring 5 regulations, earlier with the high pressure oil release in the high-pressure oil passage on overcoat 1 and the middle cover 2, close the high pressure oil of hydraulic nut 4 again, take off hydraulic nut 4 and limited ring 5, overlap on 1 in overcoat 1 and middle cover 2 integral body are dwindled and are pressed on, produce certain magnitude of interference between the interior overcoat, cover 3 is pressed on the axle in making, produce very big pressure, this pressure will produce huge frictional force and come transmitting torque during work.
Unloading process is, at first change the mounting point of hydraulic nut 4 and limited ring 5, helical oil groove by high-pressure oil passage 6 in overcoat 1 and the middle cover 2 and middle cover 2 internal surfaces injects high pressure oil between the axial conical surface then, cover 3 is pressed on the axle in making, overcoat 1 and middle cover 2 expansions, then by suppressing in 7 pairs of hydraulic nuts 4 of high pressure oilhole, make annular piston 8 produce end thrust, this moment, the integral body of overcoat 1 and middle cover 2 moved on interior cover 3, after moving on to the position of limited ring 5 regulations, with the high pressure oil release in the high-pressure oil passage on overcoat 1 and the middle cover 2, and close the high pressure oil of hydraulic nut 4, take off hydraulic nut 4 and limited ring 5 again.At this moment, interior cover 3 separates with middle cover 2 with the overcoat 1 of integral body, and originally Dui Jie two axles are separated.
Claims (5)
1, a kind of double-layer sleeve drum type hydrocoupling, comprise overcoat, middle cover and interior cover, it is characterized in that: the middle cover internal diameter is increased gradually to the rear end by front end and forms axial tapering, interior cover outer wall from front to back has identical axial tapering with middle cover, the two ends of interior cover are provided with outside thread, and the internal diameter of interior cover is consistent with the coupled diameter of axle; Overcoat and middle cover are provided with high-pressure oil passage, and the starting point of described high-pressure oil passage is at sleeve surface, and terminal point arrives at the axial tapering surface of contact of middle cover and interior cover.
2, double-layer sleeve drum type hydrocoupling according to claim 1 is characterized in that: be carved with helical oil groove on the middle cover internal surface.
3, double-layer sleeve drum type hydrocoupling according to claim 1 and 2 is characterized in that: the internal diameter sleeve pipe consistent with the diameter of axle that is coupled contained in the front-end and back-end of interior cover, and sleeve pipe is provided with identical outside thread.
4, double-layer sleeve drum type hydrocoupling according to claim 3, it is characterized in that: described outside thread is a buttress thread form.
5, a kind of special installation tool of hydrocoupling according to claim 1, it is characterized in that: setting tool is made up of hydraulic nut and limited ring, wherein: hydraulic nut comprises the hydraulic cylinder and the annular piston of annular, one end of hydraulic cylinder is provided with the high pressure oilhole, the other end is provided with end cap, the internal ring wall of hydraulic cylinder be provided with interior cover in the screw thread of outside thread coupling, at least contain three highly consistent push rods on the annular piston in the hydraulic cylinder, described push rod is evenly distributed on the anchor ring of piston, and passes end cap; Limited ring comprises flange plate and adjustable caging bolt, be provided with in the flange plate with interior cover in the screw thread of outside thread coupling, be evenly distributed with three adjustable caging bolts on the anchor ring of flange plate at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200372460U CN201363370Y (en) | 2009-02-20 | 2009-02-20 | Cylindrical hydraulic coupler with double-layered outer sleeve and special mounting tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200372460U CN201363370Y (en) | 2009-02-20 | 2009-02-20 | Cylindrical hydraulic coupler with double-layered outer sleeve and special mounting tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363370Y true CN201363370Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200372460U Expired - Fee Related CN201363370Y (en) | 2009-02-20 | 2009-02-20 | Cylindrical hydraulic coupler with double-layered outer sleeve and special mounting tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363370Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797763A (en) * | 2012-08-14 | 2012-11-28 | 高润 | Novel hydraulic expansion sleeve |
| CN104405777A (en) * | 2014-11-14 | 2015-03-11 | 江苏荣基重工科技有限公司 | Wind power generation combination contraction locking disk |
| CN104439894A (en) * | 2014-12-10 | 2015-03-25 | 镇江市远程传动机械有限责任公司 | Method for mounting hydraulic coupler |
| CN109623295A (en) * | 2018-12-17 | 2019-04-16 | 南京高精船用设备有限公司 | The process of high-precision low noise thin-walled double split flow herringbone bear |
| CN111408741A (en) * | 2020-04-02 | 2020-07-14 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
| CN113084512A (en) * | 2021-03-25 | 2021-07-09 | 中国计量大学 | Automatic coupling assembly line based on machine vision |
-
2009
- 2009-02-20 CN CNU2009200372460U patent/CN201363370Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797763A (en) * | 2012-08-14 | 2012-11-28 | 高润 | Novel hydraulic expansion sleeve |
| CN104405777A (en) * | 2014-11-14 | 2015-03-11 | 江苏荣基重工科技有限公司 | Wind power generation combination contraction locking disk |
| CN104439894A (en) * | 2014-12-10 | 2015-03-25 | 镇江市远程传动机械有限责任公司 | Method for mounting hydraulic coupler |
| CN109623295A (en) * | 2018-12-17 | 2019-04-16 | 南京高精船用设备有限公司 | The process of high-precision low noise thin-walled double split flow herringbone bear |
| CN109623295B (en) * | 2018-12-17 | 2020-04-24 | 南京高精船用设备有限公司 | Process method of high-precision low-noise thin-wall double-shunting herringbone gear |
| CN111408741A (en) * | 2020-04-02 | 2020-07-14 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
| CN111408741B (en) * | 2020-04-02 | 2021-08-31 | 广州市昊志机电股份有限公司 | Adjustable spindle locking device and lathe spindle box structure |
| WO2021196792A1 (en) * | 2020-04-02 | 2021-10-07 | 广州市昊志机电股份有限公司 | Adjustable spindle locking apparatus and lathe spindle housing structure |
| CN113084512A (en) * | 2021-03-25 | 2021-07-09 | 中国计量大学 | Automatic coupling assembly line based on machine vision |
| CN113084512B (en) * | 2021-03-25 | 2023-06-06 | 中国计量大学 | Automatic coupler assembly line based on machine vision |
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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 |
Granted publication date: 20091216 Termination date: 20160220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |