CN101839284A - Double engage spring spline coupling - Google Patents
Double engage spring spline coupling Download PDFInfo
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- CN101839284A CN101839284A CN 201010180221 CN201010180221A CN101839284A CN 101839284 A CN101839284 A CN 101839284A CN 201010180221 CN201010180221 CN 201010180221 CN 201010180221 A CN201010180221 A CN 201010180221A CN 101839284 A CN101839284 A CN 101839284A
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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 that the torque of prime mover is passed to driven machine 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 under the working condition of obvious or 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 are subjected to 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 promote.
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 the cost performance height is applied widely.
Technological scheme of the present invention is: a kind of double engage spring spline coupling, comprise the Elastic Meshing joint, described Elastic Meshing joint comprises a spline housing of coaxial setting, the splined shaft of two symmetries, be uniformly distributed in several spring splines between spline housing and the splined shaft, the opal frame shape spring spline chamber that described spring spline is positioned between spline housing and the splined shaft surrounds wherein, four cattle horn shape gaps have been formed between the spring spline chamber of described opal frame shape and the spring spline, place, the center of circle system of circles of described some spring splines is coaxial with spline housing and splined shaft, be provided with the annular space between the fitting surface of described spline housing and splined shaft, described annular space communicates with the cattle horn shape gap, and described 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 described each opal frame shape is the long spring spline of a straight system, and baffle plate and seal arrangement are equipped with in the two ends of described 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 described two symmetries, described spacer ring is set in the neutral position of an oval pin, and the two ends of described 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, described Elastic Meshing joint comprises a spline housing of coaxial setting, the splined shaft of two symmetries, be uniformly distributed in several spring splines between spline housing and the splined shaft, the opal frame shape spring spline chamber that described spring spline is positioned between spline housing and the splined shaft surrounds wherein, four cattle horn shape gaps have been formed between the spring spline chamber of described opal frame shape and the spring spline, place, the center of circle system of circles of described some spring splines is coaxial with spline housing and splined shaft, be provided with the annular space between the fitting surface of described spline housing and splined shaft, described annular space communicates with the cattle horn shape gap, and described 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 described each opal frame shape is the long spring spline of a straight system, and baffle plate and seal arrangement are equipped with in the two ends of described 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 described two symmetries, described spacer ring is set in the neutral position of an oval pin, and the two ends of described 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 described spline housing is equipped with baffle plate outward respectively, is provided with seal washer between described spline housing and the baffle plate, and described baffle plate outer end is provided with seal arrangement and cover plate successively, and described 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 described spline housing, and one group of bolt is equipped with at described tapped through hole two ends respectively, and described bolt is fixed on baffle plate, seal washer, cover plate and seal arrangement on the spline housing together; Described spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described single helical spring is single cylindrically coiled spring or single waist drum helical spring, and described 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; Described multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral; Described splined shaft is an axle in external spline teeth flange or the spline, and the long external part of described 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, described Elastic Meshing joint comprises a spline housing of coaxial setting, the splined shaft of two symmetries, be uniformly distributed in several spring splines between spline housing and the splined shaft, the opal frame shape spring spline chamber that described spring spline is positioned between spline housing and the splined shaft surrounds wherein, four cattle horn shape gaps have been formed between the spring spline chamber of described opal frame shape and the spring spline, place, the center of circle system of circles of described some spring splines is coaxial with spline housing and splined shaft, be provided with the annular space between the fitting surface of described spline housing and splined shaft, described annular space communicates with the cattle horn shape gap, and described 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 described each opal frame shape is the long spring spline of a straight system, and baffle plate and seal arrangement are equipped with in the two ends of described 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 described two symmetries, described spacer ring is set in the neutral position of an oval pin, and the two ends of described 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 described spline housing is equipped with baffle plate outward respectively, is provided with seal washer between described spline housing and the baffle plate, and described baffle plate outer end is provided with seal arrangement and cover plate successively, and described 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 described spline housing, and one group of bolt is equipped with at described tapped through hole two ends respectively, and described bolt is fixed on baffle plate, seal washer, cover plate and seal arrangement on the spline housing together; Described spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described single helical spring is single cylindrically coiled spring or single waist drum helical spring, and described 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; Described multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral; Described splined shaft is an axle in external spline teeth flange or the spline, and the long external part of described external spline teeth flange directly connects input and output shaft; The short external part of axle is connected by one group of bolt that has spring washer with flange butt joint back in the described spline, and the centre of described flange is provided with the taper pin that radially runs through flange; Axle has inner spline gear in the described spline, the inner spline gear flange coaxial with axle in the described spline docks with axle in 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 described spline, be embedded with positioning ring between described 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 described positioning ring outside comes limitation locking; Described seal arrangement is sealing cup or Expanded graphite ring or rubber seal; Described spacer ring is plain washer or composite-gasket; Described 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 the body distortion has obtained the yielding condition in when carrying, for the angle of coupling, axially, radial compensation provides activity space, also the buffering for coupling provides spatial condition; 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 height.
Description of drawings
Below in conjunction with drawings and Examples 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 spline housing; 301 are long spring spline; 302 are short spring spline; 321 is single cylindrically coiled spring; 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 the external spline teeth flange; 10 is axle in the external spline teeth; 11 is oval pin; 12 is bolt; 13 is flange; 14 is spring washer; 15 is straight pin; 16 is the inner spline gear flange; 17 are external spline teeth lining axle; 18 is positioning ring; 19 is locked spacer; 20 is clamp nut; 21 is external flange; 22 is seal washer; 23 is the annular space; 24 is inclusion cavity; 25 is the wavy spring packing ring; 26 is the cattle horn shape gap.
Embodiment
Embodiment one: a kind of popular double engage spring spline coupling, as Fig. 1, Fig. 2, Figure 10 is to shown in Figure 13, comprise Elastic Meshing joint 1, described Elastic Meshing joint 1 comprises a spline housing 2 of coaxial setting, the external spline teeth flange 9 of two symmetries, 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 described spring spline is positioned between spline housing 2 and the external spline teeth flange 9 surrounds wherein, four cattle horn shape gaps 26 have been formed between the spring spline chamber 4 of described opal frame shape and the spring spline, place, the center of circle system of circles of described eight spring splines is coaxial with spline housing 2 and external spline teeth flange 9, be provided with annular space 23 between the fitting surface of described spline housing 2 and external spline teeth flange 9, described annular space 23 communicates with cattle horn shape gap 26, and described 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 described each opal frame shape spring spline chamber 4 is the long spring spline 301 of a straight system, described long spring spline 301 is single helical spring, described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.Baffle plate 6 and seal arrangement 7 are equipped with in the two ends of described long spring spline 301, and be spacing with cover plate 8.
The two ends end face of described spline housing 2 is equipped with baffle plate 6 outward respectively, be provided with seal washer 22 between described spline housing 2 and the baffle plate 6, described baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and described 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 described spline housing 2, one group of bolt 12 is equipped with at described tapped through hole two ends respectively, and described bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Described long spring spline 301 can also be hollow cylinder or multi-layer helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral.
Described seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.The long external part of described external spline teeth flange 9 directly connects input and output shaft.
Embodiment two: a kind of popularized type double engage spring spline coupling, as Fig. 3, Fig. 4, Figure 10 to Figure 13, Figure 18, shown in Figure 19, comprise Elastic Meshing joint 1, described Elastic Meshing joint 1 comprises a spline housing 2 of coaxial setting, the external spline teeth flange 9 of two symmetries, 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 described spring spline is positioned between spline housing 2 and the external spline teeth flange 9 surrounds wherein, four cattle horn shape gaps 26 have been formed between the spring spline chamber 4 of described opal frame shape and the spring spline, place, the center of circle system of circles of described eight spring splines is coaxial with spline housing 2 and external spline teeth flange 9, be provided with annular space 23 between the fitting surface of described spline housing 2 and external spline teeth flange 9, described annular space 23 communicates with cattle horn shape gap 26, and described 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 described each opal frame shape spring spline chamber 4 is the short spring spline 302 of two symmetries, described short spring spline 302 is single helical spring, described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.Be provided with a spacer ring 5 between the short spring spline 302 of described two symmetries, described spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of described 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 described external spline teeth flange 9 directly connects input and output shaft.
The two ends end face of described spline housing 2 is equipped with baffle plate 6 outward respectively, be provided with seal washer 22 between described spline housing 2 and the baffle plate 6, described baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and described 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 described spline housing 2, one group of bolt 12 is equipped with at described tapped through hole two ends respectively, and described bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Described short spring spline 302 also can be hollow cylinder or multi-layer helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described multi-layer helical spring is alternate being composited of single helical spring left and right sides spiral.
Described seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Described spacer ring 5 is plain washer or composite-gasket; Described 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, as Fig. 5, Fig. 6, Fig. 7, Figure 10 to Figure 13, Figure 18, shown in Figure 19, comprise Elastic Meshing joint 1, described Elastic Meshing joint 1 comprises a spline housing 2 of coaxial setting, axle 10 in the spline of two symmetries, be 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 described spring spline is positioned between spline housing 2 and the interior axle 10 of spline surrounds wherein, four cattle horn shape gaps 26 have been formed between the spring spline chamber 4 of described opal frame shape and the spring spline, place, the center of circle system of circles of described eight spring splines is coaxial with spline housing 2 and interior 10 of spline, be provided with annular space 23 between the fitting surface of axle 10 in described spline housing 2 and the spline, described 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 described spline.The spring spline that is provided with in described each opal frame shape spring spline chamber 4 is the short spring spline 302 of two symmetries, described short spring spline 302 is the multi-layer helical spring, described multi-layer helical spring is by two alternate being composited of single helical spring left and right sides spiral, described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.Be provided with a spacer ring 5 between the short spring spline 302 of described two symmetries, described spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of described 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 described spline housing 2 is equipped with baffle plate 6 outward respectively, be provided with seal washer 22 between described spline housing 2 and the baffle plate 6, described baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and described baffle plate 6, seal arrangement 7 and cover plate 8 all are located at outside the interior axle 10 of spline 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 described spline housing 2, one group of bolt 12 is equipped with at described tapped through hole two ends respectively, and described bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Described short spring spline 302 also can be hollow cylinder or single helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.
It is fixedly connected by six bolts 12 that have spring washer 14 that the short external part of axle 10 docks the back in the described spline with flange 13, and the centre of described flange 13 is provided with the taper pin 15 that radially runs through flange 13.Described seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Described spacer ring 5 is plain washer or composite-gasket; Described 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 as Fig. 8, comprise Elastic Meshing joint 1, described Elastic Meshing joint 1 comprises a spline housing 2 of coaxial setting, axle 10 in the spline of two symmetries, be 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 described spring spline is positioned between spline housing 2 and the interior axle 10 of spline surrounds wherein, four cattle horn shape gaps 26 have been formed between the spring spline chamber 4 of described opal frame shape and the spring spline, place, the center of circle system of circles of described eight spring splines is coaxial with spline housing 2 and interior 10 of spline, be provided with annular space 23 between the fitting surface of axle 10 in described spline housing 2 and the spline, described 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 described spline.The short spring spline 302 of two symmetries is set in described each spring spline chamber 4, described short spring spline 302 is the multi-layer helical spring, described multi-layer helical spring is by three alternate being composited of single helical spring left and right sides spiral, described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.Be provided with a spacer ring 5 between two short spring splines 302 of described symmetry, described spacer ring 5 is set in the neutral position of an oval pin 11, and the two ends of described 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 described spline housing 2 is equipped with baffle plate 6 outward respectively, described spline housing 2 is provided with seal washer 22 with baffle plate 6, described baffle plate 6 outer ends are provided with seal arrangement 7 and cover plate 8 successively, and described baffle plate 6, seal arrangement 7 and cover plate 8 all are located at outside the interior axle 10 of spline 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 described spline housing 2, one group of bolt 12 is equipped with at described tapped through hole two ends respectively, and described bolt 12 is fixed on baffle plate 6, seal washer 22, cover plate 8 and seal arrangement 7 on the spline housing 2 together.
Described short spring spline 302 also can be hollow cylinder or single helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described single helical spring is single cylindrically coiled spring 321 or single waist drum helical spring 322, and described 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.
Axle 10 has inner spline gear in the described spline, dock with axle 10 in the spline with in the described spline 10 coaxial inner spline gear flange 16, 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 described spline, be embedded with positioning ring 18 between described 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 described positioning ring 18 outsides.
Fixedly connected with external flange 21 in the outside of described inner spline gear flange 16.Described seal arrangement 7 is sealing cup or Expanded graphite ring or rubber seal.Described spacer ring 5 is plain washer or composite-gasket; Described 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, at last the coupling main body through axial compression is pushed from the side, dock with two external flanges 21, and fix with fastening piece.
The present invention utilizes spring spline, and the body distortion has obtained the yielding condition in when carrying, for the angle of coupling, axially, radial compensation provides activity space, also the buffering for coupling provides spatial condition; 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 height.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, 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: described Elastic Meshing joint (1) comprises a spline housing (2) of coaxial setting, the splined shaft of two symmetries, be uniformly distributed in several spring splines between spline housing (2) and the splined shaft, the opal frame shape spring spline chamber (4) that described 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 described opal frame shape and the spring spline, place, the center of circle system of circles of described some spring splines is coaxial with spline housing (2) and splined shaft, be provided with annular space (23) between the fitting surface of described spline housing (2) and splined shaft, described annular space (23) communicates with cattle horn shape gap (26), and described 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 described each opal frame shape is the long spring spline (301) of a straight system, and baffle plate (6) and seal arrangement (7) are equipped with in the two ends of described 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 described two symmetries, described spacer ring (5) is set in the neutral position of an oval pin (11), the two ends of described 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 described spline housing (2) is equipped with baffle plate (6) outward respectively, be provided with seal washer (22) between described spline housing (2) and the baffle plate (6), described baffle plate (6) outer end is provided with seal arrangement (7) and cover plate (8) successively, and described baffle plate (6), seal arrangement (7) and cover plate (8) all are located at outside the splined shaft of place end; The periphery that described 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 described tapped through hole two ends respectively, and described 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: described spring spline is hollow cylinder or single helical spring or multi-layer helical spring; Described hollow cylinder is the hollow drum shaped body of the hollow circular-tube made of elastic material or band arc surface; Described single helical spring is single cylindrically coiled spring (321) or single waist drum helical spring (322), and described 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; Described 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: described splined shaft is an axle (10) in external spline teeth flange (9) or the spline, and the long external part of described external spline teeth flange (9) directly connects input and output shaft.
5. according to claim 1 or 4 described double engage spring spline couplings, it is characterized in that: it is fixedly connected by one group of bolt (12) that has spring washer (14) that the short external part of axle (10) docks the back in the described spline with flange (13), and the centre of described flange (13) is provided with the taper pin (15) that radially runs through flange (13).
6. according to claim 1 or 4 described double engage spring spline couplings, it is characterized in that: axle (10) has inner spline gear in the described spline, the inner spline gear flange (16) coaxial with axle (10) in the described spline docks with axle (10) in the spline, 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 described spline, be embedded with positioning ring (18) between described 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 described positioning ring (18) outside comes limitation locking.
7. double engage spring spline coupling according to claim 1 and 2 is characterized in that: described 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: described spacer ring (5) is plain washer or is composite-gasket; Described 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.
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 true CN101839284A (en) | 2010-09-22 |
| CN101839284B 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 |
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| CN (1) | CN101839284B (en) |
Cited By (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 |
| CN107707072A (en) * | 2017-09-05 | 2018-02-16 | 宁波安信数控技术有限公司 | A kind of transmission shaft structure of permanent-magnet servo motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107707072A (en) * | 2017-09-05 | 2018-02-16 | 宁波安信数控技术有限公司 | A kind of transmission shaft structure of permanent-magnet servo motor |
| 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 | Publication date |
|---|---|
| CN101839284B (en) | 2012-05-02 |
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