CN101839284B - Double engage spring spline coupling - Google Patents
Double engage spring spline coupling Download PDFInfo
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- CN101839284B CN101839284B CN2010101802213A CN201010180221A CN101839284B CN 101839284 B CN101839284 B CN 101839284B CN 2010101802213 A CN2010101802213 A CN 2010101802213A CN 201010180221 A CN201010180221 A CN 201010180221A CN 101839284 B CN101839284 B CN 101839284B
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Abstract
The invention discloses a double engage spring spline coupling, which comprises an elastic engagement section, wherein the elastic engagement section comprises coaxial spline housings, two symmetrical spline shafts, a plurality of spring splines and spring spline cavities; the spring splines and spring spline cavities are evenly distributed between the spline housings and the spline shafts; a gap is arranged between the spline housings and the spline shafts, and the spline shafts and the spring splines are arranged in a sealed containing cavity filled with lubricant grease; and a long spring spline or two symmetrical short spring splines is/are arranged in each spring spline cavity, a spacer ring is arranged between the short spring splines in the middle of a long cylindrical pin, and both ends of the long cylindrical pin are embedded in a baffle and a sealing gland, thereby spacing the cover plate. The invention can adjust the shape, number of layers, sectional dimension, span and material of the spring spline-helical spring to achieve the satisfactory deflection. Under the conditions of high speed/heavy load/maximum elevation, the invention has the advantages of compact size, light weight, small moment of inertia, high bearing capacity, large buffering power, large three-way bit shift compensation, good retractility and favorable lubricating property, and can be assembled and disassembled on site without hindrance.
Description
Technical field
The present invention relates to a kind of elastic coupling flexible coupling, specifically belong to a kind of double engage spring spline coupling.
Background technique
The effect of flexible coupling is to pass to driven machine to the torque of prime mover reliably; Compensate simultaneously between prime mover rotating shaft and the driven machine rotating shaft because the axis that factor produced such as foozle, alignment error, load metamorphism, thermal distortion misalign position deflection; Avoid theme equipment statically indeterminate stress concentration phenomenon to occur, guarantee theme equipment fault-free, trouble free service all the year round.
Elastic coupling flexible coupling also has special effect except the function with flexible coupling.When the theme equipment work obviously or under the working condition of especially severe impulsive load; Perhaps common flexible coupling is kept out under the situation that incessantly serious impact can't be used; Elastic coupling flexible coupling must possess very strong buffer capacity; Become the mainstay of theme equipment under the impact bars part of attaching most importance to, to ensure still safety, the fault-free bold and resolute work in ground all the year round under very serious impulsive load condition of theme equipment.
Spring pin coupling of the prior art is a much progress with respect to rubbercushioned sleeve bearing coupling, and single engagement system spring spline coupling is again a much progress with respect to the spring pin coupling.Yet the angle of single engage spring spline coupling, radial displacement compensation rate are less than normal, therefore in use still receive bigger restriction; Old system double engage spring spline coupling is owing to exist two spring spline inclusion cavities independent of each other simultaneously, and size is huge, complex structure, and weight and rotary inertia are too big, and complex structure, cost is high and be difficult to popularization.
Summary of the invention
The present invention seeks to: a kind of double engage spring spline coupling is provided, its compact structure, volume reduces, and weight saving has bigger bearing capacity, and axially, angle, radial displacement compensation rate be big, buffer capacity strengthens, and cost performance is high, and is applied widely.
Technological scheme of the present invention is: a kind of double engage spring spline coupling; Comprise the Elastic Meshing joint; Said Elastic Meshing joint comprise a spline housing of coaxial setting, two symmetries splined shaft, be uniformly distributed in several spring splines between spline housing and the splined shaft; The opal frame shape spring spline chamber that said spring spline is positioned between spline housing and the splined shaft surrounds wherein; Formed four cattle horn shape gaps between the spring spline chamber of said opal frame shape and the spring spline, place, the center of circle system of circles of said some spring splines is coaxial with spline housing and splined shaft, is provided with the annular space between the fitting surface of said spline housing and splined shaft; Said annular space communicates with the cattle horn shape gap, and said splined shaft and spring spline place in the inclusion cavity that is full of lubricant grease of a sealing; The spring spline that is provided with in the spring spline chamber of said each opal frame shape is the long spring spline of a straight tube, and baffle plate and seal arrangement are equipped with in the two ends of said long spring spline, and be spacing with cover plate; It perhaps is the short spring spline of two symmetries; Be provided with a spacer ring between the short spring spline of said two symmetries; Said spacer ring is set in the neutral position of an oval pin, and the two ends of said oval pin are embedded in respectively in the baffle plate and seal arrangement of both sides, and are spacing with cover plate.
The further technological scheme of the present invention is: a kind of double engage spring spline coupling; Comprise the Elastic Meshing joint; Said Elastic Meshing joint comprise a spline housing of coaxial setting, two symmetries splined shaft, be uniformly distributed in several spring splines between spline housing and the splined shaft; The opal frame shape spring spline chamber that said spring spline is positioned between spline housing and the splined shaft surrounds wherein; Formed four cattle horn shape gaps between the spring spline chamber of said opal frame shape and the spring spline, place, the center of circle system of circles of said some spring splines is coaxial with spline housing and splined shaft, is provided with the annular space between the fitting surface of said spline housing and splined shaft; Said annular space communicates with the cattle horn shape gap, and said splined shaft and spring spline place in the inclusion cavity that is full of lubricant grease of a sealing; The spring spline that is provided with in the spring spline chamber of said each opal frame shape is the long spring spline of a straight tube, and baffle plate and seal arrangement are equipped with in the two ends of said long spring spline, and be spacing with cover plate; It perhaps is the short spring spline of two symmetries; Be provided with a spacer ring between the short spring spline of said two symmetries; Said spacer ring is set in the neutral position of an oval pin, and the two ends of said oval pin are embedded in respectively in the baffle plate and seal arrangement of both sides, and are spacing with cover plate; The two ends end face of said spline housing is equipped with baffle plate outward respectively, is provided with seal washer between said spline housing and the baffle plate, and said baffle plate outer end is provided with seal arrangement and cover plate successively, and said baffle plate, seal arrangement and cover plate all are located at outside the splined shaft of place end; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber quantity on the said spline housing, and one group of bolt is equipped with at said tapped through hole two ends respectively, and said bolt is fixed on baffle plate, seal washer, cover plate and seal arrangement on the spline housing together; Said spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said single helical spring is single cylindrically coiled spring or single waist drum helical spring, and said single cylindrically coiled spring and single waist drum helical spring are the spring thread winding shaping of rectangular cross section or circular cross section or imperfect moon shape section; Said multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral; Said splined shaft is an axle in external spline teeth flange or the spline, and the long external part of said external spline teeth flange directly connects input and output shaft.
The more detailed technological scheme of the present invention is: a kind of double engage spring spline coupling; Comprise the Elastic Meshing joint; Said Elastic Meshing joint comprise a spline housing of coaxial setting, two symmetries splined shaft, be uniformly distributed in several spring splines between spline housing and the splined shaft; The opal frame shape spring spline chamber that said spring spline is positioned between spline housing and the splined shaft surrounds wherein; Formed four cattle horn shape gaps between the spring spline chamber of said opal frame shape and the spring spline, place, the center of circle system of circles of said some spring splines is coaxial with spline housing and splined shaft, is provided with the annular space between the fitting surface of said spline housing and splined shaft; Said annular space communicates with the cattle horn shape gap, and said splined shaft and spring spline place in the inclusion cavity that is full of lubricant grease of a sealing; The spring spline that is provided with in the spring spline chamber of said each opal frame shape is the long spring spline of a straight tube, and baffle plate and seal arrangement are equipped with in the two ends of said long spring spline, and be spacing with cover plate; It perhaps is the short spring spline of two symmetries; Be provided with a spacer ring between the short spring spline of said two symmetries; Said spacer ring is set in the neutral position of an oval pin, and the two ends of said oval pin are embedded in respectively in the baffle plate and seal arrangement of both sides, and are spacing with cover plate; The two ends end face of said spline housing is equipped with baffle plate outward respectively, is provided with seal washer between said spline housing and the baffle plate, and said baffle plate outer end is provided with seal arrangement and cover plate successively, and said baffle plate, seal arrangement and cover plate all are located at outside the splined shaft of place end; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber quantity on the said spline housing, and one group of bolt is equipped with at said tapped through hole two ends respectively, and said bolt is fixed on baffle plate, seal washer, cover plate and seal arrangement on the spline housing together; Said spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said single helical spring is single cylindrically coiled spring or single waist drum helical spring, and said single cylindrically coiled spring and single waist drum helical spring are the spring thread winding shaping of rectangular cross section or circular cross section or imperfect moon shape section; Said multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral; Said splined shaft is an axle in external spline teeth flange or the spline, and the long external part of said external spline teeth flange directly connects input and output shaft; The short external part of axle is connected through one group of bolt that has spring washer with flange butt joint back in the said spline, and the centre of said flange is provided with the taper pin that radially runs through flange; Axle has inner spline gear in the said spline; Dock with in the coaxial inner spline gear flange of axle in the said spline and the spline; The inside of axle and inner spline gear flange is provided with the external spline teeth lining axle that is complementary in the said spline; Be embedded with positioning ring between said external spline teeth lining axle outer end and the inner spline gear flange, the clamp nut that the band locked spacer is equipped with in the said positioning ring outside comes limitation locking; Said seal arrangement is sealing cup or Expanded graphite ring or rubber seal; Said spacer ring is plain washer or composite-gasket; Said composite-gasket is to be folded with rubber washer or other nonmetal elastic filling materials between two plain washers, perhaps is to be folded with the wavy spring packing ring between two plain washers.
Advantage of the present invention is:
1. the present invention utilizes spring spline body distortion when carrying to obtain the yielding condition, for the angle of coupling, axially, radial compensation provides activity space, also for the buffering of coupling spatial condition is provided; Adopt the alternate multi-level helical spring in the spiral left and right sides to make spring spline, make that elasticity and resiliency are better;
Coupling among the present invention can Regulation spring spline-helical spring shape, the number of plies, spring spline-helical spring sectional dimension, spacing and material are regulated according to actual needs and control reaches flexibility characteristics and shock-absorbing capacity preferably;
3. the present invention's compact dimensions under high speed, fully loaded transportation condition, bearing capacity is strong, axially, angle, radial displacement compensation ability be very big, can realize on-the-spot accessible free assemble/disassemble; And cost performance is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of popular double engage spring spline coupling;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of popularized type double engage spring spline coupling;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the structural representation of giant type double engage spring spline coupling;
Fig. 6 is the C-C sectional view of Fig. 5;
Fig. 7 is the D-D sectional view of Fig. 5;
Fig. 8 is the structural representation of high speed/high-end/shock resistance type double engage spring spline coupling;
Fig. 9 is the K-K sectional view of Fig. 8;
Figure 10 is the structural representation of spring spline of the cylindrically coiled spring of rectangular cross section spring thread winding shaping;
Figure 11 is the structural representation of the dolioform helical spring spring spline of rectangular cross section spring thread winding shaping;
Figure 12 is the structural representation of spring spline of the cylindrically coiled spring of imperfect moon shape section spring thread winding shaping;
Figure 13 is the structural representation of spring spline of the cylindrically coiled spring of circular cross section spring thread winding shaping;
Figure 14 is the plan view of clamp nut;
Figure 15 is the sectional view of clamp nut;
Figure 16 is the plan view of locked spacer;
Figure 17 is the principal section figure of locked spacer;
Figure 18 is the structural representation of wavy spring packing ring;
Figure 19 is that the side direction of Figure 18 is launched schematic representation.
Wherein: 1 is elastic coupling; 2 is that spline housing 301 is single cylindrically coiled spring for long spring spline 302 for short spring spline 321; 322 is single waist drum helical spring; 4 is the spring spline chamber; 5 is spacer ring; 6 is baffle plate; 7 is seal arrangement; 8 is cover plate; 9 is that external spline teeth flange 10 is axle in the external spline teeth; 11 is that oval pin 12 is bolt; 13 is that flange 14 is straight pin for spring washer 15; 16 is the inner spline gear flange; 17 for external spline teeth lining axle 18 be positioning ring; 19 is locked spacer; 20 is clamp nut; 21 is that external flange 22 is seal washer; 23 is the annular space; 24 is inclusion cavity; 25 is that wavy spring packing ring 26 is the cattle horn shape gap.
Embodiment
Embodiment one: a kind of popular double engage spring spline coupling; Like Fig. 1, Fig. 2, Figure 10 to shown in Figure 13; Comprise Elastic Meshing joint 1; Said Elastic Meshing joint 1 comprise the spline housing 2 of coaxial setting, two symmetries external spline teeth flange 9, be uniformly distributed in eight spring splines between spline housing 2 and the external spline teeth flange 9; The opal frame shape spring spline chamber 4 that said spring spline is positioned between spline housing 2 and the external spline teeth flange 9 surrounds wherein; Formed four cattle horn shape gaps 26 between the spring spline chamber 4 of said opal frame shape and the spring spline, place, the center of circle system of circles of said eight spring splines is coaxial with spline housing 2 and external spline teeth flange 9, is provided with annular space 23 between the fitting surface of said spline housing 2 and external spline teeth flange 9; Said annular space 23 communicates with cattle horn shape gap 26, and said external spline teeth flange 9 places in the inclusion cavity that is full of lubricant grease 24 of a sealing with spring spline.The spring spline that is provided with in said each opal frame shape spring spline chamber 4 is the long spring spline 301 of a straight tube; Said long spring spline 301 is single helical spring; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.Baffle plate 6 and seal arrangement 7 are equipped with in the two ends of said long spring spline 301, and be spacing with cover plate 8.
The two ends end face of said spline housing 2 is equipped with baffle plate 6 outward respectively; Be provided with seal washer 22 between said spline housing 2 and the baffle plate 6; Said baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and said baffle plate 6, seal arrangement 7 and cover plate 8 all are located at outside the external spline teeth flange 9 of place end; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber 4 quantity on the said spline housing 2; One group of bolt 12 is equipped with at said tapped through hole two ends respectively, and said bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Said long spring spline 301 can also be hollow cylinder or multi-layer helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral.
Said seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.The long external part of said external spline teeth flange 9 directly connects input and output shaft.
Embodiment two: a kind of popularized type double engage spring spline coupling; Like Fig. 3, Fig. 4, Figure 10 to Figure 13, Figure 18, shown in Figure 19; Comprise Elastic Meshing joint 1; Said Elastic Meshing joint 1 comprise the spline housing 2 of coaxial setting, two symmetries external spline teeth flange 9, be uniformly distributed in eight spring splines between spline housing 2 and the external spline teeth flange 9; The opal frame shape spring spline chamber 4 that said spring spline is positioned between spline housing 2 and the external spline teeth flange 9 surrounds wherein; Formed four cattle horn shape gaps 26 between the spring spline chamber 4 of said opal frame shape and the spring spline, place, the center of circle system of circles of said eight spring splines is coaxial with spline housing 2 and external spline teeth flange 9, is provided with annular space 23 between the fitting surface of said spline housing 2 and external spline teeth flange 9; Said annular space 23 communicates with cattle horn shape gap 26, and said external spline teeth flange 9 places in the inclusion cavity that is full of lubricant grease 24 of a sealing with spring spline.The spring spline that is provided with in said each opal frame shape spring spline chamber 4 is the short spring spline 302 of two symmetries; Said short spring spline 302 is single helical spring; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.Be provided with a spacer ring 5 between the short spring spline 302 of said two symmetries, said spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of said oval pin 11 are embedded in respectively in the baffle plate 6 and seal arrangement 7 of both sides, and are spacing with cover plate 8.The long external part of said external spline teeth flange 9 directly connects input and output shaft.
The two ends end face of said spline housing 2 is equipped with baffle plate 6 outward respectively; Be provided with seal washer 22 between said spline housing 2 and the baffle plate 6; Said baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and said baffle plate 6, seal arrangement 7 and cover plate 8 all are located at outside the external spline teeth flange 9 of place end; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber 4 quantity on the said spline housing 2; One group of bolt 12 is equipped with at said tapped through hole two ends respectively, and said bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Said short spring spline 302 also can be hollow cylinder or multi-layer helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral.
Said seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Said spacer ring 5 is plain washer or composite-gasket; Said composite-gasket is to be folded with rubber washer or other nonmetal elastic filling materials between two plain washers, perhaps is to be folded with wavy spring packing ring 25 between two plain washers.
Embodiment three: a kind of giant type double engage spring spline coupling; Like Fig. 5, Fig. 6, Fig. 7, Figure 10 to Figure 13, Figure 18, shown in Figure 19; Comprise Elastic Meshing joint 1; Said Elastic Meshing joint 1 comprises axle 10 in the spline of the spline housing 2 of coaxial setting, two symmetries, is uniformly distributed in eight spring splines between the axle 10 in spline housing 2 and the spline; The opal frame shape spring spline chamber 4 that said spring spline is positioned between spline housing 2 and the interior axle 10 of spline surrounds wherein; Formed four cattle horn shape gaps 26 between the spring spline chamber 4 of said opal frame shape and the spring spline, interior 10 of place, the center of circle system of circles and the spline housing 2 and the spline of said eight spring splines are coaxial, are provided with annular space 23 between the fitting surface of axle 10 in said spline housing 2 and the spline; Said annular space 23 communicates with cattle horn shape gap 26, and axle 10 places in the inclusion cavity that is full of lubricant grease 24 of a sealing with spring spline in the said spline.The spring spline that is provided with in said each opal frame shape spring spline chamber 4 is the short spring spline 302 of two symmetries; Said short spring spline 302 is the multi-layer helical spring; Said multi-layer helical spring is by two alternate being composited of single helical spring left and right sides spiral; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.Be provided with a spacer ring 5 between the short spring spline 302 of said two symmetries, said spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of said oval pin 11 are embedded in respectively in the baffle plate 6 and seal arrangement 7 of both sides, and are spacing with cover plate 8.
The two ends end face of said spline housing 2 is equipped with baffle plate 6 outward respectively; Be provided with seal washer 22 between said spline housing 2 and the baffle plate 6; Said baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and said baffle plate 6, seal arrangement 7 and cover plate 8 all are located in the spline of place end outside the axle 10; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber 4 quantity on the said spline housing 2; One group of bolt 12 is equipped with at said tapped through hole two ends respectively, and said bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Said short spring spline 302 also can be hollow cylinder or single helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.
The short external part of axle 10 docks the back through six bolts 12 fixed connections that have spring washer 14 in the said spline with flange 13, and the centre of said flange 13 is provided with the taper pin 15 that radially runs through flange 13.Said seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Said spacer ring 5 is plain washer or composite-gasket; Said composite-gasket is to be folded with rubber washer or other nonmetal elastic filling materials between two plain washers, perhaps is to be folded with wavy spring packing ring 25 between two plain washers.
Embodiment four: a kind of high speed/high-end/shock resistance type double engage spring spline coupling; Extremely shown in Figure 19 like Fig. 8; Comprise Elastic Meshing joint 1; Said Elastic Meshing joint 1 comprises axle 10 in the spline of the spline housing 2 of coaxial setting, two symmetries, is uniformly distributed in eight spring splines between the axle 10 in spline housing 2 and the spline; The opal frame shape spring spline chamber 4 that said spring spline is positioned between spline housing 2 and the interior axle 10 of spline surrounds wherein; Formed four cattle horn shape gaps 26 between the spring spline chamber 4 of said opal frame shape and the spring spline, interior 10 of place, the center of circle system of circles and the spline housing 2 and the spline of said eight spring splines are coaxial, are provided with annular space 23 between the fitting surface of axle 10 in said spline housing 2 and the spline; Said annular space 23 communicates with cattle horn shape gap 26, and axle 10 places in the inclusion cavity that is full of lubricant grease 24 of a sealing with spring spline in the said spline.The short spring spline 302 of two symmetries is set in said each spring spline chamber 4; Said short spring spline 302 is the multi-layer helical spring; Said multi-layer helical spring is by three alternate being composited of single helical spring left and right sides spiral; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.Be provided with a spacer ring 5 between two short spring splines 302 of said symmetry, said spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of said oval pin 11 are embedded in respectively in the baffle plate 6 and seal arrangement 7 of both sides, and are spacing with cover plate 8.
The two ends end face of said spline housing 2 is equipped with baffle plate 6 outward respectively; Said spline housing 2 is provided with seal washer 22 with baffle plate 6; Said baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and said baffle plate 6, seal arrangement 7 and cover plate 8 all are located in the spline of place end outside the axle 10; The periphery of inclusion cavity is provided with and the identical tapped through hole of spring spline chamber 4 quantity on the said spline housing 2; One group of bolt 12 is equipped with at said tapped through hole two ends respectively, and said bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Said short spring spline 302 also can be hollow cylinder or single helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, the spring thread winding shaping that said single cylindrically coiled spring 321 and single waist drum helical spring 322 are rectangular cross section or circular cross section or imperfect moon shape section.
Axle 10 has inner spline gear in the said spline; Dock with in axle 10 coaxial inner spline gear flanges 16 in the said spline and the spline 10; The inside of axle 10 and inner spline gear flange 16 is provided with the external spline teeth lining axle 17 that is complementary in the said spline; Be embedded with positioning ring 18 between said external spline teeth lining axle 17 outer ends and the inner spline gear flange 16, clamp nut 20 limitation lockings of band locked spacer 19 are equipped with in said positioning ring 18 outsides.
The outside of said inner spline gear flange 16 is fixedly connected with external flange 21.Said seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Said spacer ring 5 is plain washer or composite-gasket; Said composite-gasket is to be folded with rubber washer or other nonmetal elastic filling materials between two plain washers, perhaps is to be folded with wavy spring packing ring 25 between two plain washers.
In the above-described embodiments, before coupling is installed, need be with the input and output shaft of theme equipment according to the assembling code requirement; Adopt laser technique centering, then with appropriate on input and output shaft, the stable installation of external flange 21, then; The axial dimension of coupling is compressed to minimum; Push coupling main body from the side at last, dock with two external flanges 21, and fix with fastening piece through axial compression.
The present invention utilizes spring spline body distortion when carrying to obtain the yielding condition, for the angle of coupling, axially, radial compensation provides activity space, also for the buffering of coupling spatial condition is provided; Adopt the alternate multi-level helical spring in the spiral left and right sides to make spring spline, make that elasticity and resiliency are better.
Coupling among the present invention can Regulation spring spline-helical spring shape, the number of plies, and spring spline-helical spring sectional dimension, spacing and material are regulated according to actual needs and control reaches flexibility characteristics and shock-absorbing capacity preferably.
The present invention is compact dimensions under high speed, fully loaded transportation condition, and bearing capacity is strong, axially, angle, radial displacement compensation ability be very big, can realize on-the-spot accessible free assemble/disassemble; And cost performance is high.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.Except that the foregoing description, the present invention can also have other mode of execution.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (8)
1. double engage spring spline coupling; Comprise Elastic Meshing joint (1); It is characterized in that: said Elastic Meshing joint (1) comprise a spline housing (2) of coaxial setting, two symmetries splined shaft, be uniformly distributed in several spring splines between spline housing (2) and the splined shaft; The opal frame shape spring spline chamber (4) that said spring spline is positioned between spline housing (2) and the splined shaft surrounds wherein; Four cattle horn shape gaps (26) have been formed between the spring spline chamber (4) of said opal frame shape and the spring spline; Place, the center of circle system of circles of said some spring splines is coaxial with spline housing (2) and splined shaft; Be provided with annular space (23) between the fitting surface of said spline housing (2) and splined shaft, said annular space (23) communicate with cattle horn shape gap (26), and said splined shaft and spring spline place in the inclusion cavity that is full of lubricant grease (24) of a sealing; The spring spline that is provided with in the spring spline chamber (4) of said each opal frame shape is the long spring spline (301) of a straight tube, and baffle plate (6) and seal arrangement (7) are equipped with in the two ends of said long spring spline (301), and be spacing with cover plate (8); It perhaps is the short spring spline (302) of two symmetries; Be provided with a spacer ring (5) between the short spring spline (302) of said two symmetries; Said spacer ring (5) is set in the neutral position of an oval pin (11); The two ends of said oval pin (11) are embedded in respectively in the baffle plate (6) and seal arrangement (7) of both sides, and are spacing with cover plate (8).
2. double engage spring spline coupling according to claim 1; It is characterized in that: the two ends end face of said spline housing (2) is equipped with baffle plate (6) outward respectively; Be provided with seal washer (22) between said spline housing (2) and the baffle plate (6); Said baffle plate (6) outer end is provided with seal arrangement (7) and cover plate (8) successively, and said baffle plate (6), seal arrangement (7) and cover plate (8) all are located at outside the splined shaft of place end; The periphery that said spline housing (2) is gone up inclusion cavity is provided with and the identical tapped through hole of spring spline chamber (4) quantity; One group of bolt (12) is equipped with at said tapped through hole two ends respectively, and said bolt (12) is fixed on baffle plate (6), seal washer (22), cover plate (8) and seal arrangement (7) on the spline housing (2) together.
3. double engage spring spline coupling according to claim 1 is characterized in that: said spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Said hollow cylinder is the hollow drum shaped body of the hollow circular-tube processed of elastic material or band arc surface; Said single helical spring is single cylindrically coiled spring (321) or single waist drum helical spring (322), and said single cylindrically coiled spring (321) and single waist drum helical spring (322) are the spring thread winding shaping of rectangular cross section or circular cross section or imperfect moon shape section; Said multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral.
4. double engage spring spline coupling according to claim 1 and 2 is characterized in that: said splined shaft is an axle (10) in external spline teeth flange (9) or the spline, and the long external part of said external spline teeth flange (9) directly connects input and output shaft.
5. double engage spring spline coupling according to claim 4; It is characterized in that: the short external part of axle (10) docks the back through one group of bolt (12) fixed connection that has spring washer (14) in the said spline with flange (13), and the centre of said flange (13) is provided with the taper pin (15) that radially runs through flange (13).
6. double engage spring spline coupling according to claim 4; It is characterized in that: axle (10) has inner spline gear in the said spline; The inner spline gear flange (16) coaxial with axle (10) in the said spline docks with the interior axle of spline (10); The inside of axle (10) and inner spline gear flange (16) is provided with the external spline teeth lining axle (17) that is complementary in the said spline; Be embedded with positioning ring (18) between said external spline teeth lining axle (17) outer end and the inner spline gear flange (16), the clamp nut (20) that band locked spacer (19) is equipped with in said positioning ring (18) outside comes limitation locking.
7. double engage spring spline coupling according to claim 1 and 2 is characterized in that: said seal arrangement (7) is sealing cup or Expanded graphite ring or rubber seal.
8. double engage spring spline coupling according to claim 1 is characterized in that: said spacer ring (5) perhaps is composite-gasket for plain washer; Said composite-gasket is to be folded with rubber washer between two plain washers, perhaps is to be folded with wavy spring packing ring (25) between two plain washers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101802213A CN101839284B (en) | 2010-05-24 | 2010-05-24 | Double engage spring spline coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101802213A CN101839284B (en) | 2010-05-24 | 2010-05-24 | Double engage spring spline coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101839284A CN101839284A (en) | 2010-09-22 |
| CN101839284B true CN101839284B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101802213A Expired - Fee Related CN101839284B (en) | 2010-05-24 | 2010-05-24 | Double engage spring spline coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101839284B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775514A (en) * | 2012-10-20 | 2014-05-07 | 王金耀 | Crown gear coupling |
| CN104565100A (en) * | 2015-01-07 | 2015-04-29 | 丹东克隆先锋泵业有限公司 | Metal corrugated pipe pin type coupling |
| CN105422652A (en) * | 2015-12-04 | 2016-03-23 | 镇江市润州联轴器厂 | Coupling convenient to dismount |
| CN105715685A (en) * | 2016-04-19 | 2016-06-29 | 镇江索达联轴器有限公司 | Transmission coupling of electric hydraulic pump |
| CN105927671A (en) * | 2016-06-17 | 2016-09-07 | 苏州华徕光电仪器有限公司 | Coupler capable of adjusting connecting distance |
| CN107707072B (en) * | 2017-09-05 | 2023-11-10 | 宁波安信数控技术有限公司 | Transmission shaft structure of permanent magnet servo motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU727892A1 (en) * | 1978-05-10 | 1980-04-15 | Podolskij Efim A | Flexible coupling |
| US4639237A (en) * | 1982-08-26 | 1987-01-27 | Shoyo Engineering Company Limited | Shaft coupling with press fit coil springs forming resilient torque-transmitting elements |
| CN2365447Y (en) * | 1999-01-22 | 2000-02-23 | 黄天梵 | Flexible shaft coupling |
| CN2643068Y (en) * | 2003-07-10 | 2004-09-22 | 黄天梵 | Compound elastic coupling |
| CN1624351A (en) * | 2004-12-09 | 2005-06-08 | 徐海良 | Rolling coupler |
| CN201155530Y (en) * | 2008-02-13 | 2008-11-26 | 黄天梵 | Spring spline coupler |
| CN201351688Y (en) * | 2009-02-11 | 2009-11-25 | 苏州市飞龙联轴器传动工程有限公司 | High-elasticity spring pin shaft coupler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3958768B2 (en) * | 2005-03-28 | 2007-08-15 | 株式会社九州ハセック | Flexible shaft coupling |
-
2010
- 2010-05-24 CN CN2010101802213A patent/CN101839284B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU727892A1 (en) * | 1978-05-10 | 1980-04-15 | Podolskij Efim A | Flexible coupling |
| US4639237A (en) * | 1982-08-26 | 1987-01-27 | Shoyo Engineering Company Limited | Shaft coupling with press fit coil springs forming resilient torque-transmitting elements |
| CN2365447Y (en) * | 1999-01-22 | 2000-02-23 | 黄天梵 | Flexible shaft coupling |
| CN2643068Y (en) * | 2003-07-10 | 2004-09-22 | 黄天梵 | Compound elastic coupling |
| CN1624351A (en) * | 2004-12-09 | 2005-06-08 | 徐海良 | Rolling coupler |
| CN201155530Y (en) * | 2008-02-13 | 2008-11-26 | 黄天梵 | Spring spline coupler |
| CN201351688Y (en) * | 2009-02-11 | 2009-11-25 | 苏州市飞龙联轴器传动工程有限公司 | High-elasticity spring pin shaft coupler |
Non-Patent Citations (1)
| Title |
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| JP特开2006-275079A 2006.10.12 |
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| Publication number | Publication date |
|---|---|
| CN101839284A (en) | 2010-09-22 |
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