CN102230502B - Method for determining dimension of contact surface of inner ring and outer ring of locking disk - Google Patents
Method for determining dimension of contact surface of inner ring and outer ring of locking disk Download PDFInfo
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- CN102230502B CN102230502B CN 201110087010 CN201110087010A CN102230502B CN 102230502 B CN102230502 B CN 102230502B CN 201110087010 CN201110087010 CN 201110087010 CN 201110087010 A CN201110087010 A CN 201110087010A CN 102230502 B CN102230502 B CN 102230502B
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Abstract
The invention relates to a method for determining a dimension of a contact surface of an inner ring and an outer ring of a locking disk, which belongs to the technical field of mechanical coupling piece design. The locking disk consists of the inner ring, the outer ring, a shaft sleeve and a progressive bolt; the known related dimensions comprise a transmission shaft diameter D0, a locking diameter D1, the central circle diameter D2 of the progressive bolt, the axial contact length L of the inner ring and the shaft sleeve and the minimum inner diameter DM of the outer ring which can be searched in a series table. The method is characterized by comprising the following steps of: (1) taking an inner ring progressing travel S=L/10 as an integral number; (2) when the locking diameter D1 is less than 600mm, taking the horizontal width h of the short tapered surface of the inner ring as (1.5-1.6)S, and when D1 is more than or equal to 600mm, taking h as (2.0-2.3)S, wherein the value of h is taken as the integral number; (3) taking the inclination angle theta of the tapered surfaces of the inner and outer rings as 2 to 3 degrees, and calculating a diameter DA=2(S+1)tan(theta)+DM at a point A and a diameter DB=2(S+L+10-h)tan(theta)+DM at a point B; (4) calculating an uncorrected diameter DC1=2D2-DB at a point C and an uncorrected diameter DD1=2h.tan(theta)+2D2-DB at a point D; (5) calculating a diameter DE=DC1+2(h-S)tan(theta) at a point E and a diameter DF=DC1-2(S+1)tan(theta) at a point F; (6) calculating a diameter DG=DM+2(L-h+9)tan(theta) at a point G; and (7) calculating a corrected diameter DC=DC1-delta at the point C and a corrected diameter DD=DD1-delta at the point D, wherein delta is a fine regulating value and is equal to (0.2-0.6)S.tan(theta). The method has the advantages of simple design, convenience and quickness.
Description
Technical field:
The invention belongs to mechanical connection spare design field, be specifically related to the method for the interior ring of a kind of definite locking plate and outer shroud surface of contact size.
Technical background:
Locking plate, full locking connection dish by name comprises that push bolt 1, interior ring 2, outer shroud 3, axle sleeve 4(are as shown in Figure 1), be pressure and the frictional force transmitted load of utilizing Desing of Interference Joint to produce, last century, early eighties just was used widely in developed country.Locking plate belongs to the keyless joint device, is adapted at using under the fully loaded transportation condition, and its characteristics are: manufacturing process is simple, and installation and removal are convenient, long service life, and as the overload phenomenon occurs, mechanism can lose the connection effect, has effectively protected transmission device, and is safe and reliable.Now, locking plate is fully used in a plurality of fields, such as wind power plant, large-scale transmission equipment, nuclear facility etc.The base dimension of locking plate comprises the diameter of transmission shaft 5
, locking diameter (ring 2 and the diameter of axle sleeve 4 surface of contact namely)
, diameter of centre hole in bolts
, interior ring and the axial length L of axle sleeve surface of contact and the minimum diameter of outer shroud 3
, base dimension can be found from series of tables.But design method and the prematurity and perfect of ring and outer shroud surface of contact size in determining.To be the formula of utilizing magnitude of interference to the size of locking plate and calculating parameter debugged the method for ring and outer shroud surface of contact size repeatedly draws in tradition was determined, but interrelated between calculating parameter, computational process is complicated, and amount of calculation is large, and the size of design also needs through repeatedly checking and comparing.And with the difference of required torque, even under with a series of base dimensions, the surface of contact size of interior ring and outer shroud also will change, and has prolonged like this construction cycle of product without the design method of clear and definite size relationship.
Summary of the invention:
The purpose of this invention is to provide the method for encircling in a kind of definite locking plate with outer shroud surface of contact size.It can determine the diameter at each key point place of interior ring outer surface quickly and easily
,
,
,
And the diameter at each key point place of outer ring inner surface
,
,
, and acquired results meets the magnitude of interference requirement, clear and definite size relationship is simplified the design process of locking plate.
The present invention is achieved in that
Figure 1 shows that locking plate assembling schematic representation, among the figure
Be locking plate locking diameter,
Be diameter of centre hole in bolts, L is the axial contact length of interior ring and axle sleeve, all can be by the diameter of transmission shaft
In series of tables, find.The a place is interior ring and axle sleeve surface of contact outward edge chamfering, and the b place is interior ring and axle sleeve surface of contact inward flange chamfering, usually gets
,
Figure 2 shows that the local enlarged diagram at A place among Fig. 1, the minimum diameter of outer shroud
Can from series of tables, find.
The present invention is characterised in that design procedure is as follows:
(1) chooses interior ring propelling stroke S: require deviate with the actual propelling stroke that finally satisfies operating conditions in the scope of 1mm.By the analysis to data, and sum up interior ring propelling stroke S according to practical experience and can be defined as 1/10th of interior ring and axle sleeve contact length L, and take millimeter as unit, round numbers;
(2) according to the rated torque commonly used of locking plate and the yield strength of each parts, conclude proposition, when locking plate locking diameter
During 600mm, the short conical surface horizontal width of interior ring h chooses in the length of interval of (1.5 ~ 1.6) S, when the locking plate diameter
During 600mm, the short conical surface horizontal width of interior ring h chooses the value round numbers of h in the length of interval of (2.0 ~ 2.3) S;
(3) diameter at ring A, B point place in the locking plate
,
Minimum diameter by outer shroud
Draw, concrete grammar is: do not consider first temporarily the tolerance fit of size, suppose M, A, B point conllinear, the angle that namely becomes line segment and substantially horizontal is conical surface draft angle
, use simple trigonometric function relation, according to the outer shroud minimum diameter
, the short conical surface horizontal width of interior ring propelling stroke S, interior ring h, interior ring and axle sleeve axial contact length L, conical surface draft angle
Can obtain the diameter at A, B point place on the interior ring
With
, conical surface draft angle
~
Between choose.Solution formula is:
,
(4) the not correction diameter at ring C, D point place in the locking plate
,
Can be by the diameter at B point place
Draw, concrete grammar is: adopt image method, take the bolt center line as axle, mirror image B point draws the not correction diameter at C point place
, remake the skew lines that equates and make progress with conical surface gradient, it is met on the short conical surface outer contour, obtain the not correction diameter at D point place
Solution formula is:
,
(5) diameter at locking plate outer shroud E, F point place
,
It is the not correction diameter by interior ring C point place
Draw, concrete grammar is: do not consider the tolerance fit of size, suppose C, E, F point conllinear, according to the not correction diameter at C point place
, the short conical surface horizontal width of interior ring propelling stroke S, interior ring h, conical surface draft angle
, obtain the diameter at outer shroud E, F point place
With
For
,
(6) diameter at locking plate outer shroud G point place
It is the minimum diameter by outer shroud
Draw, concrete grammar is: according to the minimum diameter of outer shroud
, interior ring propelling stroke S, interior ring and the axial contact length L of axle sleeve, the short conical surface horizontal width of interior ring h, conical surface draft angle
Obtain the diameter at outer shroud G point place
For
(7) the short conical surface of outer shroud and interior ring is auxiliary interference, require the relatively long conical surface of magnitude of interference of its generation little, so also should maintain certain gap between the short conical surface when outer shroud contacts with the long conical surface of interior ring, the concrete grammar of proposition is: the diameter at the short conical surface E of the outer shroud that using method (5) is determined, F point place
,
Constant, to the interior not correction diameter that encircles C, D point place of determining in the method (4)
,
Do small downward modulation, according to main and auxiliary interference relationship and material yield intensity, trim values in diameter range
Can
The interval in choose, the correction diameter that obtains C, D point place is
,
, in the formula
,
Be respectively the correction diameter at C, D point place,
,
Be respectively the not correction diameter at C, D point place,
Be trim values.
Because of the restriction of difference and the machining accuracy of requirement moment of torsion, with a series of locking plate, interior ring is not identical with the final size of outer shroud design yet.But the size of using said method to draw can be used as the Source size of determining final size, by Source size each surface of contact is carried out the calculating of magnitude of interference, according to result of calculation and designing requirement, revises Source size and obtains shaping size.Said method can guarantee that only needing that its parameter is done small change can obtain comparatively desirable design size, reaches designing requirement.
Advantage of the present invention and good effect:
Use this method can determine quickly and easily the size of interior ring and each key point of outer shroud surface of contact, avoid the repeatedly debugging to size, simplified the design process of locking plate.Through theoretical validation, the size conforms magnitude of interference requirement that the method is determined.
Description of drawings:
Figure 1 shows that the assembling schematic representation of locking plate.Figure 2 shows that the local enlarged diagram at A place among Fig. 1.
Among the figure:
1---push bolt;
2---ring in the locking plate;
3---the locking plate outer shroud;
4---axle sleeve;
5---transmission shaft;
The axial contact length of ring and axle sleeve in L---the locking plate;
A---interior ring and axle sleeve surface of contact outward edge chamfering;
B---interior ring and axle sleeve surface of contact inward flange chamfering.
The implementation example:
I. the locking diameter
=500mm, the axial contact length L=188mm of interior ring and axle sleeve, outer shroud minimum diameter
=508mm, bolt center diameter of a circle
=572mm, maximum nominal torque M=1759 KNm.
Design procedure is as follows:
(1) ring propelling stroke S is defined as 1/10th of interior ring and axle sleeve contact length L in, and rounds, and gets S=19mm;
(2) locking diameter
600mm, short conical surface horizontal width h chooses in the length of interval of (1.5 ~ 1.6) S, gets h=29mm;
(7) ask the correction diameter at C, D point place
,
: to the not correction diameter at C, D point place
,
Do small downward modulation, the trim values in the diameter range
The interval in choose, get
=0.52mm,
,
Each size that obtains with (1) ~ (7) is as Source size, in the maximum nominal torque of transmission shaft is
Condition under, each surface of contact is carried out the calculating of magnitude of interference, acquired results meets the magnitude of interference requirement.Shaping size is the Source size that uses said method to draw.
II. the locking diameter
=700mm, the axial contact length L=260mm of interior ring and axle sleeve, outer shroud minimum diameter
Be 710mm, bolt center diameter of a circle
Be 788mm, maximum nominal torque M=4427KNm.
Design procedure is as follows:
(1) ring propelling stroke S is defined as 1/10th of interior ring and axle sleeve contact length L in, and rounds, and gets S=26mm;
(2) locking diameter
600mm, short conical surface horizontal width h chooses in the length of interval of (2.0 ~ 2.3) S, gets h=58mm;
(7) ask the correction diameter at C, D point place
,
: to the not correction diameter at C, D point place
,
Do small downward modulation, the trim values in the diameter range
The interval in choose, get
=0.74mm.
,
。
With size that (1) ~ (7) obtain as Source size, in the maximum nominal torque of transmission shaft be
Condition under, by each surface of contact is carried out the calculating of magnitude of interference, compare with designing requirement, the interference value under this size is slightly large, so ring propelling stroke S is 25mm in adjusting, short conical surface horizontal width h is constant.Draw each spot size and again carry out magnitude of interference calculating, meet designing requirement, can be used as shaping size.Concrete data are in the table 1
Set values for 700mm.
Each parameter values solution unit: mm of the routine I of table 1, II
By the comparison of initial value and set values in the his-and-hers watches 1, it is zero or minimum that observable goes out the two deviate.Therefore using the inventive method can make desirable design size fast, and each parameter all can reach designing requirement.Design method is workable, and the acquired results validity is high.
Calculate and the finite element Dynamic Simulation Analysis through theoretical magnitude of interference, calculated value and the analogue value of each surface of contact magnitude of interference match.
Claims (1)
1. the method for ring and outer shroud surface of contact size in the definite locking plate, locking plate comprises push bolt (1), interior ring (2), outer shroud (3), axle sleeve (4), known relative dimensions has the transmission shaft diameter
, locking diameter
, the push bolt center circle diameter
, interior ring and the axial contact length L of axle sleeve, the minimum diameter of outer shroud
, a place is interior ring and axle sleeve surface of contact outward edge chamfering, gets
, the b place is interior ring and axle sleeve surface of contact inward flange chamfering, gets
, it is characterized in that design procedure is as follows:
(1) choose interior ring propelling stroke S: ring propelling stroke S is 1/10th of interior ring and axle sleeve contact length L in determining, and take millimeter as unit, round numbers;
(2) when locking plate locking diameter
During 600mm, the short conical surface horizontal width of interior ring h chooses in the length of interval of (1.5 ~ 1.6) S, when the locking plate diameter
During 600mm, h chooses in the length of interval of (2.0 ~ 2.3) S, the value round numbers of h;
(3) conical surface draft angle
~
Between choose, according to the outer shroud minimum diameter
, the short conical surface horizontal width of interior ring propelling stroke S, interior ring h, interior ring and axle sleeve axial contact length L, conical surface draft angle
, obtain the diameter at A, B point place on the interior ring
With
:
,
(4) adopt image method, take the bolt center line as axle, can draw the not correction diameter at C point place according to mirror image B point
, remake the skew lines that equates and make progress with conical surface gradient, it is met on the short conical surface outer contour, obtain the not correction diameter at D point place
, solution formula is:
,
(5) according to the not correction diameter at C point place
, the short conical surface horizontal width of interior ring propelling stroke S, interior ring h, conical surface draft angle
Can obtain the diameter at outer shroud E, F point place
With
:
,
(6) according to the minimum diameter of outer shroud
, interior ring propelling stroke S, interior ring and the axial contact length L of axle sleeve, the short conical surface horizontal width of interior ring h, conical surface draft angle
, can obtain the diameter at outer shroud G point place
:
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CN 201110087010 CN102230502B (en) | 2011-04-03 | 2011-04-03 | Method for determining dimension of contact surface of inner ring and outer ring of locking disk |
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CN102230502B true CN102230502B (en) | 2013-03-20 |
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CN104132069A (en) * | 2014-07-10 | 2014-11-05 | 洛阳风动工具有限公司 | Stud locking plate |
CN109214060A (en) * | 2018-08-10 | 2019-01-15 | 太原科技大学 | A method of calculating pressure between locking plate contact surface |
CN110541890A (en) * | 2019-08-19 | 2019-12-06 | 中国舰船研究设计中心 | design method for keyless connection of rudder system of surface ship |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957381A (en) * | 1974-09-14 | 1976-05-18 | Ringfeder Gmbh | Coaxial, double-cone, frictional hub-to-shaft connector |
CN86103194A (en) * | 1985-05-25 | 1986-11-19 | 拉尔夫·穆兰伯格 | Cone tightening arrangement |
DE10311917A1 (en) * | 2003-03-17 | 2004-10-07 | Centa-Antriebe Kirschey Gmbh | Coupling for friction engagement rotational connection of machine parts has sliding sleeve with coating with increased adhesive friction between inner generated surface of sleeve and outer generated surface of second machine part |
CN201487071U (en) * | 2009-09-15 | 2010-05-26 | 洛阳豪智机械有限公司 | Novel locking plate |
-
2011
- 2011-04-03 CN CN 201110087010 patent/CN102230502B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957381A (en) * | 1974-09-14 | 1976-05-18 | Ringfeder Gmbh | Coaxial, double-cone, frictional hub-to-shaft connector |
CN86103194A (en) * | 1985-05-25 | 1986-11-19 | 拉尔夫·穆兰伯格 | Cone tightening arrangement |
DE10311917A1 (en) * | 2003-03-17 | 2004-10-07 | Centa-Antriebe Kirschey Gmbh | Coupling for friction engagement rotational connection of machine parts has sliding sleeve with coating with increased adhesive friction between inner generated surface of sleeve and outer generated surface of second machine part |
CN201487071U (en) * | 2009-09-15 | 2010-05-26 | 洛阳豪智机械有限公司 | Novel locking plate |
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