CN202100618U - Locking connecting flange - Google Patents
Locking connecting flange Download PDFInfo
- Publication number
- CN202100618U CN202100618U CN2011202084412U CN201120208441U CN202100618U CN 202100618 U CN202100618 U CN 202100618U CN 2011202084412 U CN2011202084412 U CN 2011202084412U CN 201120208441 U CN201120208441 U CN 201120208441U CN 202100618 U CN202100618 U CN 202100618U
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- Prior art keywords
- flange
- locking
- conical surface
- cone
- flange plate
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- Expired - Fee Related
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Abstract
The utility model discloses a locking connecting flange, which relates to a mechanical basic part used for connection between shafts and parts, and comprises a locking jacket (1), a flange plate (2) and high-strength bolts (3) connecting the locking jacket (1) with the flange plate (2). An inner sleeve of the flange plate is at least provided with two stepped external cones, one of the external cones is provided with a flange inner sleeve long conical surface (10), and the other external cone is provided with a flange inner sleeve short conical surface (11). The locking jacket is provided with two stepped internal conical holes corresponding to the external cones of the flange plate inner sleeve, one of the internal conical holes is provided with a locking jacket inner long conical surface (16) and the other internal conical hole is provided with a locking jacket inner short conical surface (18). The long conical surface and the short conical surface of the locking jacket are in conical fit with the long conical surface and the short conical surface of the flange plate respectively. By means of the locking connecting flange, structural size of connecting parts can be greatly reduced so that the space for mounting is reduced, and large-torsion and axial loads can be safely delivered.
Description
Technical field
The utility model relates to a kind of mechanical basic part of connecting between axle and the another kind of component that is used for, and particularly a kind of the keyless of MW level large-scale wind generating equipment input and output shaft that be used for is equally applicable to the keyless of universal machine flange type product.
Background technique
The connecting mode that carries out transmission of power between general axis and another component has a lot, like key connecting, splined, or connecting through expansion set and locking plate between axle and hub or the axle sleeve.Under the operating mode of high pulling torque alternate load, impulsive load, the connecting mode of spline and key is substituted by keyless mode gradually.Common keyless mode has two kinds: a kind of be the axle with hub bore between connect with expansion set, in conjunction with Fig. 8; Another kind is that axle connects with locking plate with axle sleeve, in conjunction with Fig. 7.But when the flange type structure connected, it is loaded down with trivial details, complicated that above connecting structure seems, too much workpiece quantity, complicated structure can cause all that the coupling member volume is big, materials consumption increase, complex process, cost up, reliability reduce.
Summary of the invention
The utility model technical problem to be solved provides a kind of locking connecting flange, and this locking connecting flange can be realized the axle and the most brief connecting mode of flange shaft sleeve, makes coupling member minimum number, physical dimension little, installs fast, makes things convenient for; Thereby save a large amount of raw material, and reduce user cost.
For realizing the foregoing invention purpose, following technological scheme is adopted in the invention:
A kind of locking connecting flange comprises locking jacket, flange plate and connects both high-strength bolt; The interior cover of said flange plate is provided with two external cone that are ladder-type at least, and an external cone that arises from cover small end face in the flange plate has the long conical surface of cover in the flange, and another external cone has the cover weak point conical surface in the flange; Said locking jacket is provided with two internal taper holes that are ladder-type corresponding to cover external cone in the flange plate, and an internal taper hole has the long conical surface of locking jacket inner cone, and another internal taper hole has the short conical surface of locking jacket inner cone; The long conical surface of cover forms cone match in the long conical surface of said locking jacket inner cone and the flange, and tapering is identical, and the cone angle direction in the same way; The short conical surface of cover forms cone match in the short conical surface of said locking jacket inner cone and the flange, and tapering is identical, and the cone angle direction in the same way; The acute angle and the obtuse angle of the ladder-type external cone of cover are arc transition in the said flange plate.
Be better implement the invention, the long conical surface length of cover is made as L in the said flange
4, the short conical surface length of cover is made as L in the said flange
3, satisfy L
3>=
L
4
Be better implement the invention, trepanning is straight hole or multistage step hole in the said flange plate, and when being set to step hole, every grade of step aperture size differs 5 ~ 10mm.
Be better implement the invention, said flange plate end face of flange is provided with several and moves back and unload bolt silk hole.
Be better implement the invention, said high-strength bolt screws in the silk hole of locking jacket through the flange construction bolt hole of flange plate end face of flange, connects both; Or said high-strength bolt screws in the flange plate bolt silk hole through locking jacket harness cord hole.
Be better implement the invention; Be provided with flange in the flange construction bolt hole of said flange plate end face of flange and move back and unload a hole, when dismounting locking jacket and flange plate, move back and unload bolt and be screwed into to move back and unload in the hole; Withstand moving back in the locking jacket silk hole and unload pin, back down flange plate and locking jacket.
Be better implement the invention, be provided with pad between said high-strength bolt and the flange plate end face of flange.
Be better implement the invention; One end endoporus of said locking jacket is provided with the circular cone step; Cover external diameter end also is provided with the circular cone step that matches with the circular cone step of locking jacket in the said flange plate, and two circular cone step cone angle directions are identical.
Be better implement the invention, when the long cone match of the long conical surface of cover and locking jacket inner cone gap was zero in the said flange, the cone match gap delta of the short conical surface of cover and the short conical surface of locking jacket inner cone was 0.04～0.3mm in the said flange.
Be better implement the invention, the cover external cone all scribbles MoS on the said locking jacket internal taper hole in the said flange plate
2Lubricant oil or contain MoS
2Coating.
Because adopt aforesaid technological scheme, the invention has following superiority:
1, the locking connecting flange of the invention is a kind of keyless device, and during use, the mounting point that the locking connecting flange is enclosed within axle connects specified tightening torque and tightens high-strength bolt, and locking device applies radial pressure to axle; Promptly this device utilizes the tapered configuration of self, internally axle is exerted pressure, and makes between axle and the locking connecting flange hole and forms interference fit, comes transmitting torque and axial force.This controlled interference fit joint, transmitting large torque and thrust load safely.
2, because the short awl of the interior cover of flange plate has increased the rigidity of flange root.After the locking, the long awl of flange plate and the short conical surface and locking jacket end plane, length conical surface while are stressed; When flange received bending load and begins bending deflection, the locking jacket interior edge face played certain supporting effect to flange, and the available less diameter of axle bears bigger bending load; The stress of subtracting circular arc is arranged on the flange, localized stress is had release action.
3, the invention is through flange plate, locking jacket and bolt, and the realization axle connects with flange, and is simple in structure, compact dimensions, and good manufacturability, it is low to connect cost.
4, the invention realizes high-precision self-alignment, locatees automatically through flange plate, locking jacket cone match, but transmitting large torque; Carry larger axial force; Can connect can not the wlding material, and dynamic balance is good, applies to the rigid joint of low speed to high speed running device axle; And can accomplish the equal strength design, can connect the axle that the diameter of axle surpasses 1000mm.
5, the construction bolt hole both can be done in the construction bolt hole of flange plate end face of flange, can make demounting bolt hole usefulness again, did the time spent, in the silk hole, put into to move back and unloaded pin, had increased removal force exponentially.Because the two-purpose in this hole can reduce the demounting bolt hole number on the end face of flange, has strengthened the intensity of flange root.
Description of drawings
Fig. 1 is the main sectional view of the utility model locking connecting flange;
Fig. 2 is the left side view of the utility model locking connecting flange;
Fig. 3 is the utility model locking connecting flange matching gap figure;
Fig. 4 is the reverse bolt installation diagram of the utility model locking connecting flange;
Fig. 5 is the structural representation of the utility model locking connecting flange flange plate;
Fig. 6 is the structural representation of the utility model locking connecting flange locking jacket;
Fig. 7 is the structural representation that existing axle connects with axle sleeve employing locking plate;
Fig. 8 be existing axle with hub bore between adopt expansion set to connect structural representation;
Among the figure:
The 1-locking jacket; The 2-flange plate; The 3-high-strength bolt; The 4-pad; The 5-axle; 6-moves back and unloads bolt; 7-moves back and unloads bolt silk hole; 8-flange plate bolt hole; 9-moves back and unloads pin; The long conical surface of cover in the 10-flange; The short conical surface of cover in the 11-flange; Cover interior edge face in the 12-flange; 13-flange positioning step; 14-flange construction bolt hole; The 15-flange moves back and unloads a hole; The long conical surface of 16-locking jacket inner cone; 17-silk hole; The short conical surface of 18-locking jacket inner cone; 19-locking jacket interior edge face; The harness cord hole of 20-locking jacket; 21-flange plate bolt silk hole.
Embodiment
Below in conjunction with preferred implementation the invention is further specified, what need to stress is, innovation and creation of the present invention are not limited to following mode of execution, and any structure that does not break away from or be equal to the invention is provided with all within the protection domain of the invention.
In conjunction with Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the locking connecting flange of present embodiment mainly is made up of locking jacket 1, flange plate 2 and the high-strength bolt that is connected both 3.Locking jacket 1 is arranged on the interior cover external cone of flange plate 2, and several high-strength bolts 3 pass the flange construction bolt hole 14 of flange plate end face, screws in the silk hole 17 of locking jacket, connects both; Perhaps several high-strength bolts 3 pass locking jacket harness cord hole 20, screw in the flange plate bolt silk hole 21.The high-strength bolt head is lined with pad 4.The locking jacket internal taper hole contacts with the interior cover of flange plate external cone, the long conical surface 16 of locking jacket inner cone and the long conical surface 10 formation cone match of the interior cover of flange, and tapering is identical, and the cone angle direction is in the same way; The short conical surface 18 of locking jacket inner cone forms cone match with the short conical surface 11 of the interior cover of flange, and tapering is identical, and the cone angle direction in the same way.The fitting surface place all scribbles MoS
2Lubricant oil or contain MoS
2Coating, effect is in order to reduce conical surface friction coefficient and surface friction drag, prevents that the conical surface from sticking together when moving relative to extruding, has improved the repeated use number of times, is convenient to dismantle.All acute angles and the obtuse angle of locking connecting flange external cone are arc transition.
In conjunction with Fig. 1, Fig. 5 and Fig. 6; End endoporus at locking jacket 1 is provided with the circular cone step, and cover external diameter end also is provided with the circular cone step that matches with the circular cone step of locking jacket 1 in the flange plate, and two circular cone step cone angle directions are identical; Tapering is identical, is with awl in the same way.This structure has strengthened the strength and stiffness of flange root, makes the flange Root Stress be more evenly distributed, and has improved the ability that flange carries bending load.
In conjunction with Fig. 1, Fig. 5, according to axle 5 diameter that cooperate, trepanning is straight hole or multistage step hole in the flange plate, and this instance is set to the two-stage step hole.When being set to multistage step hole, every grade of step aperture size differs 5 ~ 10mm.
In conjunction with Fig. 1, Fig. 3, when using the locking connecting flange of the utility model, will lock connecting flange earlier and be contained on the axle 5, and be transferred to the mounting point of requirement, tighten each high-strength bolt 3 with spanner one by one by the order and the moment of regulation then.At this moment, length is L
4The long conical surface 10 of cover contacts earlier with the long conical surface 16 of locking jacket inner cone in the flange, continues pressurization on request with torque spanner then and tightens, and at this moment, length is L
3Flange in the short conical surface 11 of cover contact mutual slippage with the short conical surface 18 of locking jacket inner cone.When long cone match gap was zero, short cone match gap delta was between 0.04～0.30mm.It is in order to guarantee locking jacket homogeneous deformation in the using process, stressed even that the long conical surface of flange plate and locking jacket contacts earlier.
In conjunction with Fig. 1, Fig. 5 and Fig. 6, high-strength bolt is tightened between forward flange dish and locking jacket apart from L2＞0, tightens back L2=0, and cover interior edge face 12 contacts with locking jacket interior edge face 19 in the flange.Because the flange plate end is the big end of cone, when locking jacket moved to flange plate, locking jacket expanded, and it is big that external diameter becomes.When high-strength bolt reached rated torque, the axial tension of high-strength bolt produced huge radial pressure through conical surface effect, made the interior cover of flange plate resiliently deformable to produce interference, was press fitted on the axle, to reach the effect of transmitting torque.Flange plate 2 is provided with flange positioning step 13, its width L
1Link to each other with another group flange, this being connected under the comparable size condition, several times of the moments of torsion of transmission are superior to splined, and adapt to various load to key connecting.
In conjunction with Fig. 1, Fig. 2, during dismounting, unclamp high-strength bolt 3 in order one by one, locking jacket 2 separates with flange plate 1 interior cover automatically, gets back to the installation initial position up to each high-strength bolt 3, and the high-strength bolt pulling force is eliminated, and coupling mechanism force is eliminated.
In conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6; After long-term the use; Because environmental factors such as corrosion are not separated automatically with flange plate 2 interior covers like discovery locking jacket 1 during dismounting, or are separated not thorough; Can use high-strength bolt 3 to be screwed into moving back that the flange plate end face of flange is provided with and unload bolt silk hole 7, with locking jacket 1 top from flange plate 2 end faces.Move back and unload bolt silk hole number in order to reduce end face of flange, strengthen strength of flange, and improve the power of unloading of moving back; Also can use and unload bolt 6 greater than moving back of high-strength bolt 3; Move back from flange and to unload a hole 15 and be screwed into, unload pin 9 and be screwed in the silk hole 17 of locking jacket 1, move back and unload bolt 6 and withstand to move back and unload pin 9 moving back; Flange plate 2 end faces are left on locking jacket 1 top, and coupling mechanism force is removed.To lock connecting flange at last from the axle takes off and gets final product.Install, dismantle all very convenient.
Claims (10)
1. a locking connecting flange comprises locking jacket (1), flange plate (2) and connects both high-strength bolt (3); The interior cover of said flange plate is provided with two external cone that are ladder-type at least, and an external cone that arises from cover small end face in the flange plate has the cover long conical surface (10) in the flange, and another external cone has the cover weak point conical surface (11) in the flange; Said locking jacket (1) is provided with two internal taper holes that are ladder-type corresponding to cover external cone in the flange plate, and an internal taper hole has the long conical surface of locking jacket inner cone (16), and another internal taper hole has the short conical surface (18) of locking jacket inner cone; The long conical surface of said locking jacket inner cone (16) forms cone match with the interior long conical surface of cover of flange (10), and tapering is identical, and the cone angle direction in the same way; The short conical surface of said locking jacket inner cone (18) forms cone match with the interior short conical surface of cover of flange (11), and tapering is identical, and the cone angle direction in the same way; The acute angle and the obtuse angle of the ladder-type external cone of cover are arc transition in the said flange plate.
2. locking connecting flange according to claim 1 is characterized in that: the cover long conical surface (10) length is made as L in the said flange
4, the short conical surface (11) length of cover is made as L in the said flange
3, satisfy L
3>=
L
4
3. locking connecting flange according to claim 1 is characterized in that: said flange plate end face of flange is provided with several and moves back and unload bolt silk hole (7).
4. locking connecting flange according to claim 1 is characterized in that: trepanning is straight hole or multistage step hole in the said flange plate, and when being set to step hole, every grade of step aperture size differs 5 ~ 10mm.
5. locking connecting flange according to claim 1 is characterized in that: said high-strength bolt screws in the silk hole (17) of locking jacket through the flange construction bolt hole (14) of flange plate end face of flange, connects both; Or said high-strength bolt screws in the flange plate bolt silk hole (21) through locking jacket harness cord hole (20).
6. locking connecting flange according to claim 1; It is characterized in that: be provided with flange in the flange construction bolt hole (14) of said flange plate end face of flange and move back and unload a hole (15); When dismounting locking jacket (1) and flange plate (2); Move back and unload bolt (6) and be screwed into to move back and unload in the hole (15), withstand moving back in the locking jacket silk hole (17) and unload pin (9), back down flange plate (2) and locking jacket (1).
7. locking connecting flange according to claim 1; It is characterized in that: an end endoporus of said locking jacket (1) is provided with the circular cone step; Cover external diameter end also is provided with the circular cone step that matches with the circular cone step of locking jacket in the said flange plate (2), and two circular cone step cone angle directions are identical.
8. locking connecting flange according to claim 1; It is characterized in that: when the long conical surface of cover (10) was zero with the long conical surface of locking jacket inner cone (16) matching gap in the said flange, the short conical surface of cover (11) was 0.04～0.3mm with the cone match gap delta of the short conical surface of locking jacket inner cone (18) in the said flange.
9. locking connecting flange according to claim 1 is characterized in that: cover external cone in the said flange plate all scribbles MoS on the said locking jacket internal taper hole
2Lubricant oil or contain MoS
2Coating.
10. locking connecting flange according to claim 1 is characterized in that: be provided with pad (4) between said high-strength bolt (3) and the flange plate end face of flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202084412U CN202100618U (en) | 2011-06-20 | 2011-06-20 | Locking connecting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202084412U CN202100618U (en) | 2011-06-20 | 2011-06-20 | Locking connecting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100618U true CN202100618U (en) | 2012-01-04 |
Family
ID=45386632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202084412U Expired - Fee Related CN202100618U (en) | 2011-06-20 | 2011-06-20 | Locking connecting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100618U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032467A (en) * | 2012-12-27 | 2013-04-10 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Shaft sleeve |
| CN106184679A (en) * | 2012-05-04 | 2016-12-07 | 三星重工业有限公司 | Propeller for boats and ships |
| CN110439934A (en) * | 2019-09-10 | 2019-11-12 | 南京高速齿轮制造有限公司 | A kind of planet carrier and principal shaft locking structure |
| CN110561486A (en) * | 2019-09-07 | 2019-12-13 | 埃夫特智能装备股份有限公司 | Rapid connecting mechanism for modular joints of robot |
| CN111120527A (en) * | 2019-12-13 | 2020-05-08 | 太原重工股份有限公司 | Connecting structure of main shaft and speed-increasing gear box of wind turbine generator and optimization design method thereof |
-
2011
- 2011-06-20 CN CN2011202084412U patent/CN202100618U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184679A (en) * | 2012-05-04 | 2016-12-07 | 三星重工业有限公司 | Propeller for boats and ships |
| US20180178890A1 (en) * | 2012-05-04 | 2018-06-28 | Samsung Heavy Ind. Co., Ltd. | Propulsion apparatus for ship |
| EP3473538A1 (en) * | 2012-05-04 | 2019-04-24 | Samsung Heavy Ind. Co., Ltd. | Ship propelling apparatus |
| US10696366B2 (en) | 2012-05-04 | 2020-06-30 | Samsung Heavy Ind. Co., Ltd. | Propulsion apparatus for ship |
| CN103032467A (en) * | 2012-12-27 | 2013-04-10 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Shaft sleeve |
| CN103032467B (en) * | 2012-12-27 | 2016-02-24 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of axle sleeve |
| CN110561486A (en) * | 2019-09-07 | 2019-12-13 | 埃夫特智能装备股份有限公司 | Rapid connecting mechanism for modular joints of robot |
| CN110439934A (en) * | 2019-09-10 | 2019-11-12 | 南京高速齿轮制造有限公司 | A kind of planet carrier and principal shaft locking structure |
| CN111120527A (en) * | 2019-12-13 | 2020-05-08 | 太原重工股份有限公司 | Connecting structure of main shaft and speed-increasing gear box of wind turbine generator and optimization design method thereof |
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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: 20120104 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |