CN102537109B - Dog clutch for torque proof connection of two shafts - Google Patents
Dog clutch for torque proof connection of two shafts Download PDFInfo
- Publication number
- CN102537109B CN102537109B CN201110411904.XA CN201110411904A CN102537109B CN 102537109 B CN102537109 B CN 102537109B CN 201110411904 A CN201110411904 A CN 201110411904A CN 102537109 B CN102537109 B CN 102537109B
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- China
- Prior art keywords
- blade tooth
- clutch
- clutch element
- closed sleeve
- blade
- Prior art date
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- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
Abstract
The dog clutch (1) comprises a clutch element (2) with a dog (3) and a through-hole extending along a longitudinal axis (A) of the clutch element. A closing sleeve is provided, which is rotatably supported in the through-hole of the clutch element between an open position and a closed position. The closing sleeve comprises radially projecting clamping segments, which are distributed over the circumference. An axial end of the closing sleeve has a support plate, through which the closing sleeve is axially supported towards another clutch element (9).
Description
The present invention relates to a kind of for connecting un-rotatably the blade tooth clutch of two axles, comprise first clutch element and second clutch element and closed sleeve (Schlie β h ü lse), the through hole that first clutch element extends with the first blade tooth with along the longitudinal axis A of first clutch element, second clutch element is with the second blade tooth, wherein the first blade tooth and the second blade tooth can engage to form fit in the link position of clutch element, and the second blade tooth has supporting surface, these supporting surfaces are arranged in that side of first clutch element dorsad in the link position of two clutch elements, closed sleeve remains on rotationally between open position and operating position and has circumferential distribution in the through hole of first clutch element, radially outstanding clamp segment, these clamp segment clamp from behind supporting surface in the link position of clutch element and in the closed position of closed sleeve.
Known this blade tooth clutch from DE 3608739C1, wherein closed sleeve is supported in first clutch element and in the time that two axles clamp each other, is supported in the back side of the blade tooth of first clutch element.At this, the supporting surface at blade tooth back side place is discontinuous along periphery.Be supported in the back side of blade tooth by closed sleeve, must be entered from behind the installation direction of first clutch element.Therefore, clamp segment is subject to the restriction of the maximum possible internal diameter of first clutch element in blade tooth region at the maximum diameter of the front end of closing sleeve.
Set out thus, task of the present invention is to provide a kind of blade tooth clutch, and this blade tooth clutch allows dimensionally larger structure degrees of freedom and particularly provides the axial force of improvement to support.
Solution is a kind of for connecting un-rotatably the blade tooth clutch of two axles, it comprises first clutch element and second clutch element and closed sleeve, the through hole that first clutch element extends with the first blade tooth with along the longitudinal axis A of first clutch element, second clutch element is with the second blade tooth, wherein the first blade tooth and the second blade tooth can engage to form fit in the link position of clutch element, and the second blade tooth has supporting surface, these supporting surfaces are arranged in that side of first clutch element dorsad in the link position of two clutch elements, closed sleeve remains on rotationally between open position and operating position and has circumferential distribution in the through hole of first clutch element, radially stretch prominent clamp segment, these clamp segment clamp from behind supporting surface in the link position of clutch element and in the closed position of closed sleeve, wherein at the first axial end portion place of closed sleeve, support plate is set, closed sleeve is subject to axially mounting by this support plate along second clutch component orientation.
The advantage of the present invention structure is, the axial force of the non-rotatable connection of two axles in the first clutch element that can be embodied as driving part or driven member is supported plate and receives.Advantageously, therefore can avoid closed sleeve to be directly supported in the back side of blade tooth, and area of contact between closed sleeve or support plate and first clutch element can be larger and foot can be wider.Support plate is preferably detachably fixed to the first axial end portion of closed sleeve.Thus, contrary with installation direction of the prior art is important advantage, that is, according to the present invention, closed sleeve can be from being installed in first clutch element above.In addition, be in this advantage, the maximum diameter of clamp segment is no longer subject to the restriction of the through-hole diameter in the first blade tooth region.In addition the axial end portion place that, is removably disposed in closed sleeve by support plate can easily touch support plate.
In addition support plate looping groove preferably together with closed sleeve.Arrange in addition, first clutch element formation is radially inwardly projected into the annular ring in through hole.In favourable embodiment, the ring of first clutch element is coupled in the groove of closed sleeve at this, to support closed sleeve along two axial directions.Thus, realize in an advantageous manner closed sleeve along the complete axially mounting of both direction in first clutch element.
In another design, worm gearing is set, so that closed sleeve rotates between open position and operating position.Can guarantee thus between cardan shaft or first clutch element and the second clutch element of flange connector or roll connection procedure faster.Preferably, worm gearing is implemented as self-locking.Thus advantageously, needn't there is the additional safety installations of worm screw.Single start worm and the worm gear with 80 teeth are preferably set.Can arrange thus, the worm screw of worm gearing has two axial end portions, and these ends are configured for the acting device (Angriffsmittel) of the instrument of rotary worm.Advantageously can reach worm screw from both sides at this.
Preferably, closed sleeve sliding bearing is in first clutch element.This is a kind of simple supporting possibility of few maintenance again particularly.In specific design mode, at least one sliding bearing is with respect to the axially displaced setting of worm gearing.Preferably between the ring of first clutch element and the groove of closed sleeve, sliding bearing is set.The second sliding bearing can along clamp segment direction axially displaced arrange.Particularly, by respectively with respect to worm gearing displacement two sliding bearings are set can realize the advantageous particularly and uniformly supporting of closed sleeve in first clutch element.
In another design, at the second axial end portion place of closed sleeve, clamping element is set.By above already described according to the present invention from closed sleeve being installed to the possibility first clutch element above, the external diameter of clamping element may be embodied to the diameter that is greater than the through hole in first clutch element.Preferably, the blade tooth of two clutch elements is implemented as respectively tetrameric blade tooth engaging piece.Advantageously, this is a kind of specially for carrying out mode for using at the drive unit with universal joint.In addition, also can guide well load.
Preferably, the blade tooth of two clutch elements all has the surface of contact transmitting for power, and these surface of contact comprise the angle α that is equal to or less than 90 ° about each basal plane of two clutch elements.Thus, in the situation that applying moment of torsion, can guarantee that self-sustaining connects.In another design preferably, the blade tooth of two clutch elements has the first supporting surface, this first supporting surface is seen the end of the surface of contact dorsad that is positioned at blade tooth and comprises angle β about each basal plane of two clutch elements from tangent direction, and angle β is greater than the supplementary angle of angle α.Thus, guarantee clutches element without collision.
In another design, the first axial height of the blade tooth of first clutch element is less than the second axial height of the blade tooth of second clutch element.Thus, guarantee the static determinacy of being close to contact of two clutch elements.
In concrete design, arrange, the blade tooth of second clutch element has radially inwardly outstanding supporting section, and the back side of supporting section forms supporting surface.Totally obtain thus the more simple structure of second clutch element, this structure is also easy to represent in manufacturing technology.
Preferably be provided for two clutch elements centering mandrel at Yu Dui center each other.Advantageously in connection procedure, engage reliably thus, now, first clutch element or second clutch element are close by deflection or expansion mode.
In a kind of possible mode of execution, be removably fixed on the back side of second clutch element or the end of roll pins having for the centering mandrel along in the through hole of longitudinal axis A direction extension that is received into closed sleeve.In the possible mode of execution of another kind, can arrange, closed sleeve has introducing mandrel at the second axial end portion place, for being contained in the through hole extending along longitudinal axis A of second clutch element.Guarantee that thus second clutch elements relative is in the flange connector Yu Dui center reliably of roll in the time of assembling clutch.Advantageously, can carry out connection procedure for the cardan shaft unclamping thus.Thus, can also automatically carry out connection procedure.
Except above-mentioned advantage, blade tooth clutch according to the present invention is characterised in that, it is suitable for making quick separation of flange connector of cardan shaft and the roll of cross roll machine.Multistage being threaded at disengaging configuration place replaced by the accessible operating element of independent appearance that is worm screw structure, thereby can under situation tighter in join domain, use.Guarantee to pin clutch with very little steering force or screw-down torque by plug connector (Bajonett), sliding bearing and the worm and gear transfer unit with four-head screw thread.Also guarantee the reliable Yu Dui of the clutch element center for deflection.This is favourable because in cross roll machine because reasons in structure clutch element can not align coaxially to each other.
The mode of execution of blade tooth clutch is described below, with reference to the accompanying drawings.Wherein, Fig. 1 to 9 illustrates the first mode of execution of blade tooth clutch, and Figure 10 to 14 illustrates the second mode of execution of blade tooth clutch.
Fig. 1 is the stereogram of the first mode of execution of blade tooth clutch;
Fig. 2 is the longitudinal sectional view of blade tooth clutch;
Fig. 3 is the three-dimensional longitudinal sectional view with the first clutch element of closed sleeve in the close position;
Fig. 4 is the three-dimensional longitudinal sectional view with the first clutch element of closed sleeve in an open position;
Fig. 5 is the stereogram of closed sleeve;
Fig. 6 has the first modification of a) centering mandrel and b) the three-dimensional longitudinal sectional view of the flange connector of the second modification of centering mandrel;
Fig. 7 be have closed sleeve first clutch sleeve along according to the cross section of the cutting line VII-VII of Fig. 2;
Fig. 8 be have closed sleeve in an open position first clutch sleeve along according to the cross section of the cutting line VII-VII of Fig. 2;
Fig. 9 is a) the blade tooth face of second clutch element and the b) stereogram at the back side;
Figure 10 is the stereogram of the second mode of execution of blade tooth clutch;
Figure 11 is the three-dimensional longitudinal sectional view with the blade tooth clutch element of closed sleeve view;
Figure 12 is the three-dimensional longitudinal sectional view with the first clutch element of closed sleeve in the close position;
Figure 13 is the stereogram of closed sleeve;
Figure 14 is in the stereogram of the second mode of execution of the blade tooth clutch of link position not;
Figure 15 is the sectional view a) to cut open two clutch elements; B) stereogram of first clutch element illustrates the design of the blade tooth of blade tooth clutch.
Fig. 1 illustrates according to of the present invention for making to drive the first mode of execution of the blade tooth clutch 1 that flange 6 is connected with the roll pins having 13 that is contained in flange connector 12 via universal joint spider 5.For transmitting torque connect and first clutch element 2 and second clutch element 9 be set, these two clutch elements are engaged with each other in a known way via blade tooth 3,10.Blade tooth 3,10 is embodied as tetrameric blade tooth engaging tooth.The blade tooth 3 of first clutch element 2 is outstanding from basal plane 61 vertically, and the blade tooth 10 of second clutch element 9 is outstanding from basal plane 61.The end face 64 of blade tooth 10 is close to and is contacted with basal plane 61, and the end face 63 of blade tooth 3 forms axial clearance 65 with respect to basal plane 62.
Second clutch element 9 is connected with flange connector 12 14,14 ' via end face engaging tooth, and the threaded connector 15 of the periphery being made up of bolt 17 and nut 18 is set for axial grip.In first clutch element 2, can see and be tangential to the worm screw 41 that closed sleeve (referring to Fig. 2) arranges, in order to operate with corresponding instrument, this worm screw has outer-hexagonal limit 45.Also can be provided for the alternative profile of operation.
Fig. 2 illustrates closed sleeve 20, and this sleeve remains in the through hole 4 of first clutch element 2.At it, axial end portion 35 places towards roll pins having 13 have radially the outwards clamp segment 21 of orientation to closed sleeve 20.Four clamp segment 21 are set in this embodiment.Closed sleeve towards axial end portion 34 places of universal joint spider 5, removably support plate 22 is arranged on to end face 31 places of closed sleeve 20 by means of the threaded connector 30 of circumferential distribution.At this, support plate 22 extends radially out closed sleeve 20, and closed sleeve is shifted and is configured with radially shoulder 32 with respect to end face 31 in its side.Radially shoulder 32 looping groove 26 together with extending radially out the support plate 22 of closed sleeve 20.The radially inside outstanding annular ring 7 of first clutch element 2 is coupled in this groove 26.Thus, closed sleeve 20 remains in first clutch element 2 along two axial directions.Support plate 22 is the inner periphery face sealing with respect to the through hole 4 of first clutch element 2 by seal ring 29.
By pulling down support plate 22 from closed sleeve 20, closed sleeve 20 can be from blade tooth side, that is, " from above " introduced first clutch element 2 and be installed to wherein.Obtain thus according to the significant advantage of blade tooth clutch 1 of the present invention, that is, the external diameter of clamp segment 21 can record the diameter that is greater than through hole 4 in blade tooth 3 regions.In addition, supporting disk 22 can continue to be supported on along periphery end face 31 places of first clutch element 2 thus.
Sliding bearing 23 is seated in groove 26, this sliding bearing 23 is made up of the bearer ring 24 radially arranging and L shaped axle sleeve 25, is placed in first clutch element 2 by bearer ring and axle sleeve with the closed sleeve 20 of the support plate 22 that is removably fixed on closed sleeve 20 places.Bearer ring 24 and axle sleeve 25 can by common, for the suitable material of sliding bearing, for example bronze is made.Along the direction displacement of clamp segment 21 be provided with for make closed sleeve 20 be supported in first clutch element 2, with another sliding bearing 23 ' of bearer ring 24 '.This sliding bearing is protected with safety ring 27 in the axial direction.Thus, guaranteed the axially mounting that is supported completely along two axial directions.Between bearer ring 24 ' and closed sleeve 20, be provided with another seal ring 29.
Between two sliding bearings 23,23 ', worm gearing 40 is set, closed sleeve 20 can rotate with respect to first clutch element 2 by this device.This worm gearing 40 is made up of worm gear 42 and worm screw 41, by closed sleeve 20 circumferential distribution be configured with 80 teeth, worm gear is implemented as and closed sleeve 20 one at this, and worm screw 41 remains in first clutch element 2 and engages with worm gear 42 gears as secant.For Lubricating worm wheel worm gears 40, lubrication hole 48,48 ' is set.Worm gear 42 also can be implemented as separate part with respect to closed sleeve; Also can realize the number of teeth that is different from 80.
Closed sleeve 20 in the position shown in accompanying drawing 2 and 3 corresponding to operating position, in this operating position, the supporting surface 11 that clamp segment 21 clamps from behind blade tooth 10 and constructs on its back side near blade tooth 10.The pin 46 that is radially held in first clutch element 2, loads by means of spring 47 for being shown, the open position shown in this operating position and Fig. 4 is set.Spring 47 is loaded into pin 46 to pack in position, pack in position at this, and the outer end 49 of pin 46 is approximate entirely to be sealed with together with the surface of first clutch element 2, as shown in Figure 3.The interior axle head 50 of pin is in this sinks to the groove 51 of closed sleeve 51.The open position of closed sleeve 20 shown in Figure 4, at this open position, be covered to from the outstanding threaded 51 of the substrate of groove 51 by the inner 50 of pin 46, pin 46 remains in withdrawn position by threaded 52, and this threaded is radially screwed into closed sleeve 20 in the basal region of groove 51.
In Fig. 2 and 6a, can see centering mandrel 16, this centering mandrel 16 is introduced into the through hole 28 of closed sleeve 20 in the link position of blade tooth clutch 1.Centering mandrel 16 is guaranteed two clutch element 2,9 Yu Dui centers each other in the time packing blade tooth clutch 1 into.Centering mandrel 16 is placed in the inner side place of the blade tooth dorsad 10 of second clutch element 9 through flange connector 54 by means of threaded connector 53.Determine thus erection sequence, first centering mandrel 16 must be screwed to second clutch element 9 places, then after flange connector 12 is fastenedly connected roll pins having 13 via the supporting ring 55 that can tighten, second clutch element 9 is fixed to flange connector 12 places via threaded connector 15.By this supporting ring 55, flange connector 12 axially remains on roll pins having 13 places.In the another kind setting of centering mandrel 16 shown in Fig. 6 b, wherein centering mandrel 16 is directly fastenedly connected with it at end face 19 places of roll pins having 13 and makes flange connector 12 axially remain on roll pins having 13 places via flange connector 54.Two kinds of modification of centering mandrel 16 similarly play for the cardan shaft unclamping also can carry out the effect of connection procedure.
In the operating position of closed sleeve 20, the clamp segment 21 of closed sleeve is from radially seeing between the blade tooth 3 of first clutch element 2, as shown in Figure 3.In this operating position, clamp segment 21 clamp from behind second clutch element 9 from radially inside outstanding supporting section 56 of blade tooth 10, as shown in Figure 2.At this, clamp segment 21 is supported on supporting section 56 places vertically.Can in the stereogram of Fig. 6 a and 6b, see supporting section 56.
In the open position of closed sleeve 20 (Fig. 4), the clamp segment 21 of closed sleeve aligns from radially seeing with the blade tooth 3 of first clutch element 2.With reference to second clutch element 9, clamp segment 21 is between the blade tooth 10 of second clutch element, thereby clamp segment 21 can not clamp supporting section 56 from behind.
In Fig. 5, can in stereogram, see the clamp segment 21 of closing sleeve 20.At it, that side towards closing sleeve 20 has gripping surface 57 to clamp segment 21, gripping surface 57 as described in the operating position of closing sleeve 20 supporting surface 11 of the supporting section 56 by second clutch element 2 support.Gripping surface 57 is easily adjusted about the cross sectional planes of closing sleeve 20, thereby gripping surface 57 forms multiple thread.Thus, in the link position of two clutch elements 2,9, in the time that closed sleeve 20 rotates to operating position by means of worm gearing 40 from open position, and now the supporting surface 56 of second clutch element is progressively clamped from behind, this supporting section 56 simultaneously the slope by gripping surface 57 near first clutch element and two clutch elements 2,9 are clamped each other.Fig. 5 and 8 illustrates banking pin 58 in addition, and this banking pin radially remains in first clutch element 2 and is coupled in the groove 59 of closed sleeve 20.This groove 59 not periphery extends, thereby guarantees that closed sleeve 20 is restricted with respect to the rotation of first clutch element 2, that is, accurately guarantee to rotate between open position and operating position.This end stop provides the safety assurance that prevents inordinate rotation in the time opening blade tooth clutch 1.
Fig. 7 illustrates that worm screw 41 is supported in first clutch element 2 via sliding shaft sleeve 43,43 ' in both sides respectively.Sliding shaft sleeve 43,43 ' and worm screw 41 between be provided with Sealing 44.For Lubricating worm wheel worm gears 40, the lubrication hole 48,48 ' radially extending is set in first clutch element 2, this lubrication hole leads to worm gear 42 and worm screw 41 from first clutch element 2.
Fig. 9 a and 9b illustrate that second clutch element 9 is as separate part.
Next, only the second mode of execution 101 at the blade tooth clutch shown in Figure 10 to 14 to be described with the difference of the first mode of execution.Figure 10 to 14 together describes; Corresponding part is counted with the reference character that increases by 100 with respect to the first mode of execution.
Second clutch element 109 is connected with the flange connector 106 of driving side via universal joint spider 105.Second clutch element 109 is implemented as axially and significantly shortens.First clutch element 102 is arranged on outlet side and holds closed sleeve 120.Closed sleeve 120 has centering mandrel 116 at its second axial end portion 135 places, and this centering mandrel is arranged in the through hole 119 of second clutch element 109 and inwardly stretches into the anti-conical socket 137 of universal joint spider 105 with tapered end 136 in the link position of two clutch elements 102,109.The tapered end 136 of centering mandrel 116 has enough gaps in anti-conical socket 137, and thus, universal joint spider 105 can be realized angular motion completely.
Guarantee that by the following method closed sleeve 120 is supported in first clutch element 102,, in blade tooth side, annular collar (Bund) 161 via L shaped axle sleeve 162 sliding bearings in shoulder 163 places of first clutch element 109, and in blade tooth side dorsad, support plate 122 plays the effect of the shaft shoulder and is bearing in shoulder 164 places of first clutch element 109 via axle sleeve 162 '.By two axle journals, closed sleeve 122 cannot be supported in first clutch element 109 axially displacedly.
Two clutch elements 102,109 in link position not shown in Figure 14, but in this position, two clutch elements are so close,, the centering mandrel 116 of closed sleeve 120 has been coupled in the through hole 119 of the clutch element 109 significantly shortening, thereby the second clutch element 109 launching by universal joint spider 105 is raised, connecting with first clutch element 102.
Figure 15 illustrates the preferred configuration mode of the blade tooth 3,10 of two clutch elements 2,9, can apply this design for every kind of mode of execution of blade tooth clutch 1.Next relation about each blade tooth is described, wherein for four part blade tooth engaging tooths, certainly pays close attention to the relation corresponding to all blade tooths.Characterize by arrow D the direction that sense of rotation or moment of torsion apply.Suppose this sense of rotation, power is delivered to the surface of contact 69 of the blade tooth 10 of second clutch element 9 via the surface of contact 68 of blade tooth 3 from the blade tooth 3 of first clutch element 2.The surface of contact 68 of blade tooth 3 comprises the angle α that is less than 90 ° about the basal plane 61 of first clutch element 2.The surface of contact 69 of blade tooth 10 comprises angle α equally about the basal plane 62 of second clutch element 9.This angle α is preferably 80 °, is different from 80 ° but also may be selected to.Comprise that by two surface of contact 68,69 surface of contact 68,69 extends parallel to each other about the identical angle of each basal plane 61,62.
Between two clutch elements 2,9, carry out moment of torsion while transmitting, second clutch element 9 due to angle α and the axial force component that obtains thus and close first clutch element 2 or with its clamping.Along with the increase that moment of torsion applies, axial force component also increases.Thus, two clutch elements 2,9 be connected to self-sustaining in the situation that applies moment of torsion.
Match on the surface that two clutch elements 2,9 axially mounting each other consists of the end face 64 of the basal plane 61 by first clutch element 2 and second clutch element 9
carry out.By making the axial height H of the basal plane 61 about it of blade tooth 3 of first clutch element 2
1than the axial height H of the basal plane 62 about it of the blade tooth of second clutch element 9 10
2little, between the end face 63 of the first blade tooth 3 and the basal plane 62 of second clutch element 9, form axial clearance 65.The axially mounting of the surface pairing consisting of the end face 64 of the basal plane 61 via first clutch element 2 and second clutch element 9 avoids making first clutch element 2 to be out of shape in stand under load situation.
The blade tooth 3,10 of two clutch elements 2,9 has the first supporting surface 66,67, these first supporting surfaces are seen the end of the surface of contact dorsad 68,69 that is positioned at blade tooth 3,10 from tangent direction, and comprise angle β about each basal plane 61,62 of two clutch elements 2,9.The supplementary angle of βBi angle, angle α is large, and angle β is greater than the angle of 90 ° to be less than the angle of 90 ° than angle α large.Thus, the blade tooth 3,10 of guaranteeing two clutch elements 2,9 can enter the state of being connected to each other from not-connected status.In the design's mode, angle β equals 110 °.As long as meet above-mentioned condition, angle unlike this is also fine.
Not shown in figures, but the surface of contact 68,69 that special preferably blade tooth 3,10 places transmit power is about first clutch element 2 periphery setting like this, to make in plane that surface of contact 68,69 struts with the longitudinal axis A of blade tooth clutch 1 in the each axle journal (referring to Fig. 2) by universal joint spider 5.By this orientation or layout, moment of torsion apply or loading condition under, guarantee the relative movement that surface of contact is each other less.
Generally speaking, the described angled structure of the blade tooth 3,10 of clutch element 2,9 is advantageous particularly by means of the non-rotatable connection of closed sleeve 20 for blade tooth clutch 1 according to the present invention, and this is because this structure guarantees to carry out self-sustaining connection under torque load.It is favourable that this self-sustaining connects, this is because for blade tooth clutch 1 according to the present invention, the clamp segment 21 of closed sleeve 20 is clamped in the radial plane at place, the back side of the blade tooth 10 of second clutch element 9 and the radial plane of the blade tooth of two clutch elements 2,9 engagement has axial dipole field each other, this skew can the in the situation that of torque load, cause two clutch elements 2,9 in blade tooth mesh regional because material deformation is separated from each other.The self-sustaining of the described angled structure by blade tooth 3,10 connects to stop this less desirable effect.
Reference numerals list:
1 blade tooth clutch
2 first clutch elements
3 first blade tooths
4 through holes
5 universal joint spiders
6 flange connectors
7 rings
9 second clutch elements
10 second blade tooths
11 supporting surfaces
12 flange connectors
13 roll pins havings
14,14 ' end face engaging tooth pair
15 threaded connectors
16 centering mandrels
17 bolts
18 nuts
19 end faces
20 closed sleeves
21 clamp segment
22 support plates
23,23 ' sliding bearing
24,24 ' bearer ring
25 axle sleeves
26 grooves
27 safety rings
28 through holes
29 seal rings
30 threaded connectors
31 end faces
32 shoulders
34 first axial end portions
35 second axial end portions
40 worm gearings
41 worm screws
42 worm gears
43,43 ' sliding shaft sleeve
44 Sealings
45 outer-hexagonal limits
46 pins
47 springs
48,48 ' lubrication hole
49 outer ends
50 the inners
51 grooves
52 threadeds
53 threaded connectors
54 flange connectors
55 supporting rings
56 supporting sections
57 gripping surfaces
58 banking pins
59 grooves
The space that 60 clamp segment are joined
61 basal planes
62 basal planes
63 end faces
64 end faces
65 spaces
66 supporting surfaces
67 supporting surfaces
68 surface of contact
69 surface of contact
119 through holes
136 tapered ends
137 anti-conical sockets
161 annular collar
162,162 ' axle sleeve
163 shoulders
164 shoulders
H
1highly
H
2highly
D sense of rotation
A longitudinal axis
Claims (20)
1. one kind for connecting un-rotatably the blade tooth clutch (1) of two axles, comprises
First clutch element (2), the through hole (4) that described first clutch element has the first blade tooth (3) and extends along the longitudinal axis (A) of described first clutch element (2),
There is the second clutch element (9) of the second blade tooth (10), wherein said the first blade tooth (3) and described the second blade tooth (10) can be at described two clutch elements (2,9) form fit ground engagement in link position, and described the second blade tooth (10) has supporting surface (11), described supporting surface is at described two clutch elements (2,9) in link position, be arranged in that side of described first clutch element (2) dorsad, and
Closed sleeve (20), described closed sleeve can remain on rotationally between open position and operating position and have circumferential distribution, radially outstanding clamp segment (21) in the described through hole (4) of described first clutch element (2), described clamp segment is at described two clutch elements (2,9) in link position and in the closed position of described closed sleeve (20), clamp from behind described supporting surface (11)
It is characterized in that, the first axial end portion (34) at described closed sleeve (20) locates to arrange support plate (22), and described closed sleeve (20) is subject to axially mounting by described support plate edge towards the direction of described second clutch element (9).
2. blade tooth clutch as claimed in claim 1 (1), is characterized in that, described support plate (22) is fixed on removedly described first axial end portion (34) of described closed sleeve (20) and locates.
3. blade tooth clutch as claimed in claim 1 or 2 (1), is characterized in that, described support plate (22) is looping groove (26) together with described closed sleeve (20).
4. blade tooth clutch as claimed in claim 3 (1), is characterized in that, described first clutch element (2) constructs the annular ring (7) being radially inwardly projected in described through hole (4).
5. blade tooth clutch as claimed in claim 4 (1), it is characterized in that, the described ring (7) of described first clutch element (2) is coupled in the described groove (26) of described closed sleeve (20), to support described closed sleeves (20) along two axial directions.
6. blade tooth clutch as claimed in claim 1 or 2 (1), is characterized in that, worm gearing (40) is set, so that described closed sleeve (20) rotates between described open position and described operating position.
7. blade tooth clutch as claimed in claim 6 (1), it is characterized in that, the worm screw (41) of described worm gearing (40) has two axial end portions, and described axial end portion is configured for the acting device (45) of the instrument that makes described worm screw (41) rotation.
8. blade tooth clutch as claimed in claim 1 or 2 (1), is characterized in that, described closed sleeve (20) sliding bearing is in described first clutch element (2).
9. blade tooth clutch as claimed in claim 6 (1), is characterized in that, with respect to described worm gearing (40) axially displaced at least one sliding bearing (23) is set.
10. blade tooth clutch as claimed in claim 4 (1), it is characterized in that, between the described ring (7) of described first clutch element (2) and the described groove (26) of described closed sleeve (20), sliding bearing (23) is set.
11. blade tooth clutches as claimed in claim 9 (1), is characterized in that, along the direction of described clamp segment (21) axially displaced the second sliding bearing (23 ') is set.
12. blade tooth clutches as claimed in claim 1 or 2 (1), is characterized in that, described clamp segment (21) is arranged on second axial end portion (35) of described closed sleeve (20) and locates.
13. blade tooth clutches as claimed in claim 1 or 2 (1), is characterized in that, the described blade tooth (3,10) of described two clutch elements (2,9) is implemented as respectively tetrameric blade tooth engaging tooth.
14. blade tooth clutches as claimed in claim 1 or 2 (1), it is characterized in that, described two clutch elements (2,9) described blade tooth (3,10) have the surface of contact (68,69) transmitting for power, described surface of contact comprises about described two clutch elements (2,9) the angle α that is equal to or less than 90 ° of each basal plane (61,62).
15. blade tooth clutches as claimed in claim 14 (1), it is characterized in that, described two clutch elements (2,9) described blade tooth (3,10) there is the first supporting surface (66,67), described the first supporting surface is seen and is positioned at described blade tooth (3 from tangent direction, 10) described surface of contact (68 dorsad, 69) end and comprising about described two clutch elements (2,9) the angle β at the supplementary angle that is greater than described angle α of described each basal plane (61,62).
16. blade tooth clutches as claimed in claim 1 or 2 (1), is characterized in that, the first axial height (H of the described blade tooth (3) of described first clutch element (2)
1) be less than the second axial height (H of the described blade tooth (10) of described second clutch element (9)
2).
17. blade tooth clutches as claimed in claim 1 or 2 (1), it is characterized in that, the described blade tooth (10) of described second clutch element (9) has radially inwardly outstanding supporting section (56), and the back side of described supporting section forms described supporting surface (11).
18. blade tooth clutches as claimed in claim 1 or 2 (1), is characterized in that, are provided for making described two clutch elements (2,9) centering mandrel at Yu Dui center (16,116) each other.
19. blade tooth clutches as claimed in claim 1 or 2 (1), it is characterized in that, for being received into, the interior centering mandrel (16) of the through hole (28) extending along longitudinal axis (A) of described closed sleeve (20) is fixed on the back side of described second clutch element (9) removedly or the end face (19) of roll pins having (13) is located.
20. blade tooth clutches as claimed in claim 18 (1), it is characterized in that, described centering mandrel (116) is arranged on second axial end portion (135) of described closed sleeve (120) and locates, to be contained in the through hole (119) extending along longitudinal axis (A) of described second clutch element (109).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010060719 | 2010-11-22 | ||
| DE102010060719.3 | 2010-11-22 | ||
| DE102011050573.3 | 2011-05-23 | ||
| DE102011050573.3A DE102011050573B4 (en) | 2010-11-22 | 2011-05-23 | Claw coupling for rolling mill drives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102537109A CN102537109A (en) | 2012-07-04 |
| CN102537109B true CN102537109B (en) | 2014-07-30 |
Family
ID=46021432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110411904.XA Expired - Fee Related CN102537109B (en) | 2010-11-22 | 2011-11-21 | Dog clutch for torque proof connection of two shafts |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102537109B (en) |
| DE (1) | DE102011050573B4 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834500A (en) * | 1972-06-07 | 1974-09-10 | Tokyo Keiki Kk | Dog clutch |
| GB1519805A (en) * | 1975-10-09 | 1978-08-02 | Grosskordt D | Torque couplings |
| GB2156913A (en) * | 1984-03-13 | 1985-10-16 | Skf Gmbh | Trunnion bearing arrangement |
| GB2187820A (en) * | 1986-03-15 | 1987-09-16 | Gelenkwellenbau Gmbh | Shaft coupling for hookes joint |
| CN1162076A (en) * | 1996-02-09 | 1997-10-15 | 村田机械株式会社 | Driving mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1030804B (en) * | 1956-08-24 | 1958-05-29 | Moeller & Neumann Gmbh | Self-engaging and disengaging articulated coupling for connecting a driven and a driving part in rolling mills, in particular for connecting a roll neck with a coupling spindle |
| JPS58178023A (en) * | 1982-04-12 | 1983-10-18 | Hitachi Ltd | Gear coupling |
| TW344781B (en) * | 1996-02-09 | 1998-11-11 | Murada Kikai Kk | Drive transmission mechanism |
-
2011
- 2011-05-23 DE DE102011050573.3A patent/DE102011050573B4/en active Active
- 2011-11-21 CN CN201110411904.XA patent/CN102537109B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3834500A (en) * | 1972-06-07 | 1974-09-10 | Tokyo Keiki Kk | Dog clutch |
| GB1519805A (en) * | 1975-10-09 | 1978-08-02 | Grosskordt D | Torque couplings |
| GB2156913A (en) * | 1984-03-13 | 1985-10-16 | Skf Gmbh | Trunnion bearing arrangement |
| GB2187820A (en) * | 1986-03-15 | 1987-09-16 | Gelenkwellenbau Gmbh | Shaft coupling for hookes joint |
| CN1162076A (en) * | 1996-02-09 | 1997-10-15 | 村田机械株式会社 | Driving mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011050573B4 (en) | 2014-08-07 |
| DE102011050573A1 (en) | 2012-05-24 |
| CN102537109A (en) | 2012-07-04 |
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