CN102808860A - Keyless coupler - Google Patents
Keyless coupler Download PDFInfo
- Publication number
- CN102808860A CN102808860A CN2012103180384A CN201210318038A CN102808860A CN 102808860 A CN102808860 A CN 102808860A CN 2012103180384 A CN2012103180384 A CN 2012103180384A CN 201210318038 A CN201210318038 A CN 201210318038A CN 102808860 A CN102808860 A CN 102808860A
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- Prior art keywords
- expanding block
- annular expanding
- hole
- annular
- binding axial
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- 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.)
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention relates to a keyless coupler, which comprises oppositely-connected external coupling shaft sleeves; expansion sleeves are respectively arranged in the external coupling shaft sleeves; screws capable of adjusting the tightness of the expansion sleeves are arranged at openings of the expansion sleeves; and the external coupling shaft sleeves are connected by means of pins. Each expansion sleeve is provided with a shaft hub sleeve; the shaft hub sleeve is communicated with a bidirectional annular expansion block groove; a first annular expansion block and a second annular expansion block are respectively arranged in the bidirectional annular expansion block groove; a bolt penetrates through holes of the first annular expansion block and is connected with threaded holes of the second annular expansion block; and the inner wall and the outer wall of the hollow shaft hub sleeve are respectively provided with notches penetrating through a wall surface. Threaded jackscrew through holes are formed among the through holes in the first annular expansion block, and the threaded jackscrew through holes are staggered with the threaded holes formed in the second annular expansion block in position. The keyless coupler has the advantages of more convenience for assembly and disassembly, no damage to mutually-connected surfaces and firm and reliable structure.
Description
Technical field
The present invention relates to a kind of coupling, particularly do not have the binding axial organ.
Background technique
When using conventional no binding axial organ to connect no key axle and parts (axle, gear etc.),, be interference fit between coupling and the no key axle because of needs are used the frictional force transmitting torque.And interference fit needs coupling internal diameter and no key axle external diameter machining accuracy higher; And the general hot jacket method of using when conventional coupling is installed is then used heating or with the method for oil pressure spreading when dismantling conventional coupling.Need heat external member during installation, dismounting more need increase a large amount of setup times, very inconvenience during installation and removal routine coupling.In addition, very likely pull spindle nose and coupling internal surface during the conventional coupling of heating dismounting.When spindle nose is pulled, be to guarantee appearance quality and transmitting torque, need again reparing process, ressemble operation, or cause axle and coupling to be scrapped when serious, thereby reduce manufacturing efficiency greatly and improve cost of production.
Summary of the invention
The applicant is inconvenient to existing no binding axial organ installing/dismounting, and the problem of pulling spindle nose easily provides a kind of swelling cover no binding axial organ, and it makes that the installation or removal of no key axle shaft coupling are more convenient, also can not damage interconnective surface.
The technological scheme of coupling of the present invention is following:
A kind of no binding axial organ comprises the outer coupling band that connects in opposite directions, in the said outer coupling band swelling cover is set respectively.
Further technological scheme is:
Said outer coupling band connects by pin, and an end of said pin is a cylindrical body, and the other end is a cone, and the tail end of cone connects by threaded piece; The installation direction of adjacent pin is opposite; Said cylindrical outer periphery is equipped with back-up ring and elastic fastener;
The center of said swelling cover has axis hole, and the periphery of axis hole is a propeller boss cover, the two-way annular expanding block groove that has connection of propeller boss cover, said annular expanding block groove opposing towards, its cross section is respectively trapezoidal; In said two-way annular expanding block groove, install the first annular expanding block and the second annular expanding block respectively, the said first annular expanding block and the second annular expanding block match with said two-way annular expanding block groove respectively; Have reach through hole in the first annular expanding block, have tapped hole in the second annular expanding block, bolt passes the said reach through hole of the first annular expanding block and is connected with the tapped hole of the second annular expanding block; The inwall of said hollow shaft hub sleeve and outer wall have the notch that runs through wall respectively;
Have 10 said reach through holes in the said first annular expanding block, the center of the second annular expanding block has 10 said tapped holes;
The said tapped hole that the center of the said second annular expanding block has is a blind hole;
Between said reach through hole, have the break-through top wire hole in the first annular expanding block, said break-through top wire hole is a tapped hole, and with the second annular expanding block in the position of the said tapped hole that has stagger.
The useful technique effect of coupling of the present invention is:
The outer coupling band that setting of the present invention connects in opposite directions is provided with the swelling cover respectively in the said outer coupling band; Outer coupling band connects by pin, and the connecting direction of adjacent pin is opposite; The cylindrical outer periphery of said pin is equipped with back-up ring and elastic fastener; Make that so the installation or removal of no key axle shaft coupling are more convenient, also can not damage interconnective surface, and the shaft coupling sound construction are reliable.
Description of drawings
Fig. 1 is a cross-sectional schematic of the present invention, the half section right part, and the broken section left part is analysed and observe along the coc direction of Fig. 2.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the sectional view of propeller boss of the present invention, analyses and observe along the BOB direction of Fig. 2.
Fig. 4 is the sectional view of first expanding block among the present invention, analyses and observe along the BOB direction of Fig. 2.
Embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
See Fig. 1, the present invention includes the outer coupling band 1 that connects in opposite directions, in the said outer coupling band 1 the swelling cover is set respectively.
See Fig. 1, said outer coupling band 1 connects by pin 3, and an end of said pin 3 is a cylindrical body, and the other end is a cone, and the tail end of cone is fastenedly connected by bolt and nut 10; The installation direction of adjacent pin 3 is opposite; Said cylindrical outer periphery is equipped with back-up ring 4 and elastic fastener 2, to strengthen the degree of being connected firmly of pin 3.
See Fig. 1, Fig. 3, Fig. 4; The center of said swelling cover has axis hole; The periphery of axis hole is a propeller boss cover 6, the two-way annular expanding block groove 16 that has connection of propeller boss cover 6, said annular expanding block groove 16 opposing towards; Its cross section is respectively trapezoidal, so is convenient to install and remove and install the annular expanding block in it; In said two-way annular expanding block groove 16, install the first annular expanding block 5 and the second annular expanding block 8 respectively, the said first annular expanding block 5 and the second annular expanding block 8 match with said two-way annular expanding block groove 16 respectively; Have in the first annular expanding block 5 in reach through hole 17, the second annular expanding blocks and have tapped hole, bolt 7 passes the said reach through hole 17 of the first annular expanding block 5 and is connected with the tapped hole of the second annular expanding block; See Fig. 2, the inwall of said hollow shaft hub sleeve 6 and outer wall have the groove 15 and 11 that runs through wall respectively.
See Fig. 2, have 10 said reach through holes in the said first annular expanding block, the center of the second annular expanding block has 10 said tapped holes; Said tapped hole is a blind hole.
Between said reach through hole 17, have the top wire hole 13 of break-through in the first annular expanding block; Said top wire hole 13 is a tapped hole; And with the second annular expanding block in the position of the said tapped hole 16 that has stagger, promptly corresponding to the position of not perforate between the said tapped hole 16 that has in the second annular expanding block.
Installation of the present invention and unloading process:
The installation of no key axle shaft coupling: see Fig. 1, Fig. 2, when no key axle 18 is installed on the axis hole at swelling cover center, earlier socket head screw 7 is unscrewed that the inwall of propeller boss cover 6 expands outwardly, the outer wall of propeller boss cover 6 inwardly shrinks; To not have key axle 18 again and be inserted in propeller boss and overlap the axis hole in 6 inwalls, the axis hole of outer coupling band 1 will be inserted in the outer wall of propeller boss cover 6; Then each socket head screw 7 is tightened; The inwall of propeller boss cover 6 shrinks; Inwall has runs through groove 15 and closes, and the inwall of propeller boss cover 6 will not have key axle 18 to be held tightly, and meanwhile propeller boss overlaps 6 outer wall and expands outwardly; With the axis hole stretching of outer coupling band 1, accomplish the locking of no key axle 18 and outer coupling band 1 and install; According to above-mentioned steps another root there are not key axle 18 and another outer coupling band 1 locking.At last above-mentioned two outer coupling bands 1 are connected by pin 3 is as shown in Figure 1 in opposite directions, accomplish the installation of no key axle shaft coupling.Above-mentioned no key axle 18 does not belong to the present invention.
See Fig. 1, Fig. 2, the dismounting and the said process of no key axle shaft coupling are opposite, and socket head screw 7 is unscrewed and thrown off, and the inwall of propeller boss cover 6 is expanded outwardly, and the outer wall of propeller boss cover 6 inwardly shrinks, and will not have key axle 18, swelling is overlapped and outer coupling band 1 disassembles.For further with splitting out in the first annular expanding block 5 and the second annular expanding block 8 annular expanding block groove 16 from propeller boss cover 6; Screw in the top wire hole 13 of two symmetries on the Fig. 2 and the first annular expanding block 5 shown in Figure 4 with two socket head screws, make the first annular expanding block 5 from the expanding block groove 16 of propeller boss cover 6, withdraw from and dismantle.Screw in propeller boss cover 6 shown in Figure 3 with two socket head screws again, the second annular expanding block 8 ejected from the expanding block groove 16 of propeller boss cover 6.
Claims (8)
1. a no binding axial organ is characterized in that: comprise the outer coupling band that connects in opposite directions, in the said outer coupling band swelling cover is set respectively.
2. according to the said no binding axial organ of claim 1, it is characterized in that: said outer coupling band connects by pin, and an end of said pin is a cylindrical body, and the other end is a cone, and the tail end of cone connects by threaded piece; The installation direction of adjacent pin is opposite.
3. according to the said no binding axial organ of claim 2, it is characterized in that: said cylindrical outer periphery is equipped with back-up ring and elastic fastener.
4. according to the said no binding axial organ of claim 1, it is characterized in that: the center of said swelling cover has axis hole, and the periphery of axis hole is a propeller boss cover, the two-way annular expanding block groove that has connection of propeller boss cover; In said two-way annular expanding block groove, install the first annular expanding block and the second annular expanding block respectively, the said first annular expanding block and the second annular expanding block match with said two-way annular expanding block groove respectively; Have reach through hole in the first annular expanding block, have tapped hole in the second annular expanding block, bolt passes the said reach through hole of the first annular expanding block and is connected with the tapped hole of the second annular expanding block; The inwall of said hollow shaft hub sleeve and outer wall have the notch that runs through wall respectively.
5. according to the said no binding axial organ of claim 1, it is characterized in that: said annular expanding block groove opposing towards, its cross section is respectively trapezoidal.
6. according to the said no binding axial organ of claim 4, it is characterized in that: have 10 said reach through holes in the said first annular expanding block, the center of the second annular expanding block has 10 said tapped holes.
7. according to claim 4 or 5 said no binding axial organs, it is characterized in that: the said tapped hole that the center of the said second annular expanding block has is a blind hole.
8. according to claim 4 or 5 said no binding axial organs; It is characterized in that: between said reach through hole, have the break-through top wire hole in the first annular expanding block; Said break-through top wire hole is a tapped hole, and with the second annular expanding block in the position of the said tapped hole that has stagger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103180384A CN102808860A (en) | 2012-08-31 | 2012-08-31 | Keyless coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103180384A CN102808860A (en) | 2012-08-31 | 2012-08-31 | Keyless coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102808860A true CN102808860A (en) | 2012-12-05 |
Family
ID=47232678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103180384A Pending CN102808860A (en) | 2012-08-31 | 2012-08-31 | Keyless coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102808860A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613161A (en) * | 2015-02-14 | 2015-05-13 | 合肥誉联信息科技有限公司 | Device for adjusting fitting tightness |
| CN105134915A (en) * | 2015-09-26 | 2015-12-09 | 湖南龙昶机械工程有限公司 | Belt pulley assembly for spindle of crusher |
| CN111237351A (en) * | 2020-03-19 | 2020-06-05 | 山东大学 | Keyless coupling capable of positioning light load transmission and shaft hole transmission structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1588067A1 (en) * | 2003-01-13 | 2005-10-26 | Voith Turbo Safeset AB | Hydraulic piston-cylinder arrangement |
| CN201487068U (en) * | 2009-08-05 | 2010-05-26 | 马鞍山市恒意机械有限责任公司 | Quick-coupled shaft coupling with double taper sleeves |
| CN201521558U (en) * | 2009-10-30 | 2010-07-07 | 淮南舜立机械有限责任公司 | Quick loading and unloading rigid coupler for floating-point support drive ribbon conveyor |
| CN201547143U (en) * | 2009-12-11 | 2010-08-11 | 南车株洲电力机车有限公司 | Expansion sleeve type elastic pin test coupler |
| CN201705820U (en) * | 2010-04-14 | 2011-01-12 | 天津市中重科技工程有限公司 | Expansion sleeve for delivering torque between hole and shaft |
-
2012
- 2012-08-31 CN CN2012103180384A patent/CN102808860A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1588067A1 (en) * | 2003-01-13 | 2005-10-26 | Voith Turbo Safeset AB | Hydraulic piston-cylinder arrangement |
| CN201487068U (en) * | 2009-08-05 | 2010-05-26 | 马鞍山市恒意机械有限责任公司 | Quick-coupled shaft coupling with double taper sleeves |
| CN201521558U (en) * | 2009-10-30 | 2010-07-07 | 淮南舜立机械有限责任公司 | Quick loading and unloading rigid coupler for floating-point support drive ribbon conveyor |
| CN201547143U (en) * | 2009-12-11 | 2010-08-11 | 南车株洲电力机车有限公司 | Expansion sleeve type elastic pin test coupler |
| CN201705820U (en) * | 2010-04-14 | 2011-01-12 | 天津市中重科技工程有限公司 | Expansion sleeve for delivering torque between hole and shaft |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613161A (en) * | 2015-02-14 | 2015-05-13 | 合肥誉联信息科技有限公司 | Device for adjusting fitting tightness |
| CN105134915A (en) * | 2015-09-26 | 2015-12-09 | 湖南龙昶机械工程有限公司 | Belt pulley assembly for spindle of crusher |
| CN111237351A (en) * | 2020-03-19 | 2020-06-05 | 山东大学 | Keyless coupling capable of positioning light load transmission and shaft hole transmission structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121205 |