CN103148111A - Universal cross shaft - Google Patents
Universal cross shaft Download PDFInfo
- Publication number
- CN103148111A CN103148111A CN2013101038251A CN201310103825A CN103148111A CN 103148111 A CN103148111 A CN 103148111A CN 2013101038251 A CN2013101038251 A CN 2013101038251A CN 201310103825 A CN201310103825 A CN 201310103825A CN 103148111 A CN103148111 A CN 103148111A
- Authority
- CN
- China
- Prior art keywords
- spindle nose
- transition bench
- circular cone
- approximate circle
- circle taper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a universal joint cross shaft, which can be used for reducing stress concentration on the root part of shaft heads of the universal cross shaft and enhance the structural strength of parts specific to the technical problem of easiness in causing fatigue fracture due to stress concentration of a universal cross shaft of a universal shaft coupling in the current field of heavy load and super heavy load. The universal joint cross shaft consists of a spherical base and the shaft heads which extend from four directions of the base, are connected with a bearing and are of consistent shapes, wherein an approximately conical transition stage and a conical transition stage of which the taper angle is 90 degrees are arranged between the bottom of each shaft head and the base; and on the section of the shaft, buses of the approximately conical transition stages are arc lines, and buses of the conical transition stages are straight lines. The universal joint cross shaft has the beneficial technical effects that after the structure is adopted for the universal cross shaft, the stress on the root part of the cross shaft can be reduced effectively, the stress distribution situation is improved, the fatigue fracture resistance of a product is enhanced, the manufacturability of the cross shaft can be enhanced, the construction period is shortened effectively, and the production cost is reduced.
Description
Technical field
The invention belongs to the Hooks coupling universal coupling technical field, be specifically related to for the articulated cross shaft in the Hooks coupling universal coupling in heavy duty and super-heavy load field.
Background technique
At present, the articulated cross shaft that is widely used in heavy duty on the main transmission of the heavy machineries such as rougher of hot strip mill machine, heavy merchant mill, punch, middle Wide and Thick Slab and steckel mill and super-heavy load universal coupling with spider is corrupted very easily: be owing to being used in the bulky of heavy duty in above-mentioned main equipment and Universal coupling for overload on the one hand, swing diameter H0 is between φ 650mm to 1300mm, moment of torsion is at 2300KNm to 19405KNm, and the impulsive load that causes it to be subject in operation the time is corresponding with moment of torsion very large; On the other hand, it also will be subject to the very high alternating shock load of frequency in operation process.Therefore, the critical component articulated cross shaft of heavy duty and super-heavy load universal coupling with spider inside fracture and cause scrapping very easily.
Cause the mechanism of above-mentioned fracture to be: articulated cross shaft is the critical component in heavy duty and super-heavy load universal coupling with spider, is also weak element, and the fatigue fracture of the axle journal root of articulated cross shaft is its main failure mode.There are following several technological difficulties in the strength problem that solves these parts: at first, be subjected to the restriction of the device space, can not improve by the mode that increases the articulated cross shaft size bearing capacity of heavy duty and super-heavy load universal coupling with spider integral body; Secondly, the problem that this device is in operation and exists stress to concentrate, stress is concentrated the fatigue fracture that causes articulated cross shaft axle journal bottom; At last, articulated cross shaft of the prior art mainly adopts the steel billet hot-forging forming, then processes its axle journal with numerical control machine tool, and the transition structure of the axle journal root of articulated cross shaft adopts single arc surface to seamlessly transit or the stepped ramp type transition mostly.Adopt the articulated cross shaft of single arc surface transition to be subject to the restriction of cross axle structure size because transition arc is oversize, can't overcome the problem that stress is concentrated, articulated cross shaft under this transient mode still produces stress at the axle journal root and concentrates, easy fracture still in use, the mechanical processing difficulty of this structure is larger in addition, manufacturability is not good enough, affects the raising of manufacturing efficiency; There is the unexpected variation of sectional shape in the articulated cross shaft that adopts the stepped ramp type knuckle to carry out transition, has larger stress concentration phenomenon in these shape sudden changes place, therefore also can't effectively solve the problem of easy-rupturing.
Summary of the invention
Concentrate due to stress and very easily instead give birth to the technical barrier of fatigue fracture for the articulated cross shaft of the Hooks coupling universal coupling in existing heavy duty and super-heavy load field, the invention provides a kind of stress that can reduce the spindle nose root of articulated cross shaft and concentrate, improve design of part intensity and technological universal-joint cross trunnion.Its concrete structure is:
Articulated cross shaft, form by the matrix 1 of sphere-like and from extended, the spindle nose that shape is consistent that be connected with bearing of the four direction of matrix 1, namely formed by matrix 1, the first spindle nose 21, the second spindle nose 22, the 3rd spindle nose 23 and the 4th spindle nose 24, being equipped with one between the bottom of each spindle nose and matrix 1, to be approximate circle taper transition bench and cone angle be the circular cone transition bench of 90 °, and each spindle nose is approximate circle taper transition bench and the circular cone transition bench seamlessly transits with coupled.Namely the bottom of the first spindle nose (21) is provided with the first spindle nose approximate circle taper transition bench (211), it is tangent that the bottom of the first spindle nose approximate circle taper transition bench (211) is provided with the side of the side of the first spindle nose circular cone transition bench (212) and the first spindle nose approximate circle taper transition bench (211) and the first spindle nose circular cone transition bench (212), the bottom of the first spindle nose circular cone transition bench (212) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (212) tangent; The bottom of the second spindle nose (22) is provided with the second spindle nose approximate circle taper transition bench (221), it is tangent that the bottom of the second spindle nose approximate circle taper transition bench (221) is provided with the side of the side of the second spindle nose circular cone transition bench (222) and the second spindle nose approximate circle taper transition bench (221) and the second spindle nose circular cone transition bench (222), the bottom of the second spindle nose circular cone transition bench (222) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (222) tangent; The bottom of the 3rd spindle nose (23) is provided with the 3rd spindle nose approximate circle taper transition bench (231), it is tangent that the bottom of the 3rd spindle nose approximate circle taper transition bench (231) is provided with the side of the side of the 3rd spindle nose circular cone transition bench (232) and the 3rd spindle nose approximate circle taper transition bench (231) and the 3rd spindle nose circular cone transition bench (232), the bottom of the 3rd spindle nose circular cone transition bench (232) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (232) tangent; The bottom of the 4th spindle nose (24) is provided with the 4th spindle nose approximate circle taper transition bench (241), it is tangent that the bottom of the 4th spindle nose approximate circle taper transition bench (241) is provided with the side of the side of the 4th spindle nose circular cone transition bench (242) and the 4th spindle nose approximate circle taper transition bench (241) and the 4th spindle nose circular cone transition bench (242), the bottom of the 4th spindle nose circular cone transition bench (242) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (242) tangent; Above-mentioned four approximate circle taper transition bench, the i.e. shape of the first spindle nose approximate circle taper transition bench 211, the second spindle nose approximate circle taper transition bench 221, the 3rd spindle nose approximate circle taper transition bench 231 and the 4th spindle nose approximate circle taper transition bench 241 and measure-alike; On shaft section, approximate circle taper transition bench bus 3 is circular arc line; Above-mentioned four circular cone transition bench, the i.e. shape of the first spindle nose circular cone transition bench 212, the second spindle nose circular cone transition bench 222, the 3rd spindle nose circular cone transition bench 232 and the 4th spindle nose circular cone transition bench 242 and measure-alike; On shaft section, circular cone transition bench bus 4 is straight line.
The scope of swing diameter H0 is between 650mm to 1300mm, the size relationship of swing diameter H0, spindle nose diameter D, spindle nose length H1, the high H2 of approximate circle taper transition bench platform and the high H3 of circular cone transition bench platform is: the swing diameter H0-2 * spindle nose length H1-spindle nose diameter D=4 * high H3+n of circular cone transition bench platform * high H2 of approximate circle taper transition bench platform, wherein, the value of n is 2.828, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is between 0.1 to 0.4.
Useful technique effect
Adopt the articulated cross shaft after this structure can effectively reduce the stress of cross axle root, and improve the distribution situation of stress, realize strengthening the ability of product fatigue crack-resistant, in addition, this structure can improve the manufacturability of cross axle, effectively the reduction of erection time, reduces production costs.
Description of drawings
Fig. 1 is plan view of the present invention.
Fig. 2 is Fig. 1 plan view.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the partial enlarged drawing in E district in Fig. 3.
Fig. 5 is the partial enlarged drawing in F district in Fig. 3.
Fig. 6 is the partial enlarged drawing in G district in Fig. 3.
Fig. 7 is the partial enlarged drawing in H district in Fig. 3.
Fig. 8 is the stereogram of Fig. 1.
Fig. 9 is the testing result of embodiment 1 under five kinds of torque conditions.
Figure 10 is the testing result of embodiment 2 under five kinds of torque conditions.
Figure 11 is the testing result of embodiment 3 under five kinds of torque conditions.
sequence number in figure is: matrix 1, the first spindle nose 21, the second spindle nose 22, the 3rd spindle nose 23, the 4th spindle nose 24, the first spindle nose approximate circle taper transition bench 211, the first spindle nose circular cone transition bench 212, the second spindle nose approximate circle taper transition bench 221, the second spindle nose circular cone transition bench 222, the 3rd spindle nose approximate circle taper transition bench 231, the 3rd spindle nose circular cone transition bench 232, the 4th spindle nose approximate circle taper transition bench 241, the 4th spindle nose circular cone transition bench 242, approximate circle taper transition bench bus 3, circular cone transition bench bus 4.
Concrete implementation methods
Now be described with reference to the accompanying drawings concrete structure of the present invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, articulated cross shaft, form by the matrix 1 of sphere-like and from extended, the spindle nose that shape is consistent that be connected with bearing of the four direction of matrix 1, namely formed by matrix 1, the first spindle nose 21, the second spindle nose 22, the 3rd spindle nose 23 and the 4th spindle nose 24, being equipped with one between the bottom of each spindle nose and matrix 1, to be approximate circle taper transition bench and cone angle be the circular cone transition bench of 90 °, each spindle nose is approximate circle taper transition bench and the circular cone transition bench seamlessly transits with coupled, sees Fig. 3 to Fig. 7 for details.Namely the bottom of the first spindle nose 21 is provided with the first spindle nose approximate circle taper transition bench 211, it is tangent that the bottom of the first spindle nose approximate circle taper transition bench 211 is provided with the side of the side of the first spindle nose circular cone transition bench 212 and the first coniform transition bench 211 of spindle nose and the first spindle nose circular cone transition bench 212, the bottom of the first spindle nose circular cone transition bench 212 be connected with matrix 1 and side and the matrix 1 of the first spindle nose circular cone transition bench 212 tangent, see Fig. 3 and Fig. 4 for details.The bottom of the second spindle nose 22 is provided with the second spindle nose approximate circle taper transition bench 221, it is tangent that the bottom of the second spindle nose approximate circle taper transition bench 221 is provided with the side of the side of the second spindle nose circular cone transition bench 222 and the second coniform transition bench 221 of spindle nose and the second spindle nose circular cone transition bench 222, the bottom of the second spindle nose circular cone transition bench 222 be connected with matrix 1 and side and the matrix 1 of the second spindle nose circular cone transition bench 222 tangent, see Fig. 3 and Fig. 5 for details.The bottom of the 3rd spindle nose 23 is provided with the 3rd spindle nose approximate circle taper transition bench 231, it is tangent that the bottom of the 3rd spindle nose approximate circle taper transition bench 231 is provided with the side of the side of the 3rd spindle nose circular cone transition bench 232 and the 3rd coniform transition bench 231 of spindle nose and the 3rd spindle nose circular cone transition bench 232, the bottom of the 3rd spindle nose circular cone transition bench 232 be connected with matrix 1 and side and the matrix 1 of the 3rd spindle nose circular cone transition bench 232 tangent, see Fig. 3 and Fig. 6 for details.The bottom of the 4th spindle nose 24 is provided with the 4th spindle nose approximate circle taper transition bench 241, it is tangent that the bottom of the 4th spindle nose approximate circle taper transition bench 241 is provided with the side of the side of the 4th spindle nose circular cone transition bench 242 and the 4th coniform transition bench 241 of spindle nose and the 3rd spindle nose circular cone transition bench 242, the bottom of the 4th spindle nose circular cone transition bench 242 be connected with matrix 1 and side and the matrix 1 of the 4th spindle nose circular cone transition bench 242 tangent, see Fig. 3 and Fig. 7 for details.Above-mentioned four approximate circle taper transition bench, the i.e. shape of the first spindle nose approximate circle taper transition bench 211, the second spindle nose approximate circle taper transition bench 221, the 3rd spindle nose approximate circle taper transition bench 231 and the 4th spindle nose approximate circle taper transition bench 241 and measure-alike; On shaft section, approximate circle taper transition bench bus 3 is circular arc line, sees Fig. 4 to Fig. 7 for details.Above-mentioned four circular cone transition bench, the i.e. shape of the first spindle nose circular cone transition bench 212, the second spindle nose circular cone transition bench 222, the 3rd spindle nose circular cone transition bench 232 and the 4th spindle nose circular cone transition bench 242 and measure-alike; On shaft section, circular cone transition bench bus 4 is straight line, sees Fig. 4 to Fig. 7 for details.
The scope of swing diameter H0 is between 650mm to 1300mm, the size relationship of swing diameter H0, spindle nose diameter D, spindle nose length H1, the high H2 of approximate circle taper transition bench platform and the high H3 of circular cone transition bench platform meets equation: the swing diameter H0-2 * spindle nose length H1-spindle nose diameter D=4 * high H3+n of circular cone transition bench platform * high H2 of approximate circle taper transition bench platform, wherein, the value of n is 2.828, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is between 0.1 to 0.4.
Referring to Fig. 4, the base of the base of the first spindle nose circular cone transition bench 212 and the second spindle nose circular cone transition bench 222 is tangential on an A, referring to Fig. 5 and Fig. 8, the base of the base of the second spindle nose circular cone transition bench 222 and the 3rd spindle nose circular cone transition bench 232 is tangential on a B, referring to Fig. 6, the base of the 3rd spindle nose circular cone transition bench 232 and the 4th spindle nose circular cone transition bench 242 be tangential on a C, referring to Fig. 7, the base of the 4th spindle nose circular cone transition bench 242 and the first spindle nose circular cone transition bench 212 be tangential on a D; Described some A, some B, some C and some D are coplanar, referring to Fig. 3.
Referring to Fig. 1, Fig. 3 and Fig. 8, the spindle nose diameter D in embodiment 1 is 361mm, and spindle nose length H1 is 300mm, and swing diameter H0 is 1300mm, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is 0.257.Fig. 9 applies the testing result of the load of moment of torsion 3900KNm to 11153KNm to the sample of embodiment's 1 described size, adopt after testing stress decreased average 6.2% after this structure.
Embodiment 2
Referring to Fig. 1 and Fig. 3, form by the matrix 1 of sphere-like and from extended, the spindle nose that shape is consistent that be connected with bearing of the four direction of matrix 1, namely formed by matrix 1, the first spindle nose 21, the second spindle nose 22, the 3rd spindle nose 23 and the 4th spindle nose 24, being equipped with one between the bottom of each spindle nose and matrix 1, to be approximate circle taper transition bench and cone angle be the circular cone transition bench of 90 °, each spindle nose is approximate circle taper transition bench and the circular cone transition bench seamlessly transits with coupled, sees Fig. 3 to Fig. 7 for details.Namely the bottom of the first spindle nose 21 is provided with the first spindle nose approximate circle taper transition bench 211, it is tangent that the bottom of the first spindle nose approximate circle taper transition bench 211 is provided with the side of the side of the first spindle nose circular cone transition bench 212 and the first coniform transition bench 211 of spindle nose and the first spindle nose circular cone transition bench 212, the bottom of the first spindle nose circular cone transition bench 212 be connected with matrix 1 and side and the matrix 1 of the first spindle nose circular cone transition bench 212 tangent, see Fig. 3 and Fig. 4 for details.The bottom of the second spindle nose 22 is provided with the second spindle nose approximate circle taper transition bench 221, it is tangent that the bottom of the second spindle nose approximate circle taper transition bench 221 is provided with the side of the side of the second spindle nose circular cone transition bench 222 and the second coniform transition bench 221 of spindle nose and the second spindle nose circular cone transition bench 222, the bottom of the second spindle nose circular cone transition bench 222 be connected with matrix 1 and side and the matrix 1 of the second spindle nose circular cone transition bench 222 tangent, see Fig. 3 and Fig. 5 for details.The bottom of the 3rd spindle nose 23 is provided with the 3rd spindle nose approximate circle taper transition bench 231, it is tangent that the bottom of the 3rd spindle nose approximate circle taper transition bench 231 is provided with the side of the side of the 3rd spindle nose circular cone transition bench 232 and the 3rd coniform transition bench 231 of spindle nose and the 3rd spindle nose circular cone transition bench 232, the bottom of the 3rd spindle nose circular cone transition bench 232 be connected with matrix 1 and side and the matrix 1 of the 3rd spindle nose circular cone transition bench 232 tangent, see Fig. 3 and Fig. 6 for details.The bottom of the 4th spindle nose 24 is provided with the 4th spindle nose approximate circle taper transition bench 241, it is tangent that the bottom of the 4th spindle nose approximate circle taper transition bench 241 is provided with the side of the side of the 4th spindle nose circular cone transition bench 242 and the 4th coniform transition bench 241 of spindle nose and the 4th spindle nose circular cone transition bench 242, the bottom of the 4th spindle nose circular cone transition bench 242 be connected with matrix 1 and side and the matrix 1 of the 4th spindle nose circular cone transition bench 242 tangent, see Fig. 3 and Fig. 7 for details.Above-mentioned four approximate circle taper transition bench, the i.e. shape of the first spindle nose approximate circle taper transition bench 211, the second spindle nose approximate circle taper transition bench 221, the 3rd spindle nose approximate circle taper transition bench 231 and the 4th spindle nose approximate circle taper transition bench 241 and measure-alike; On shaft section, approximate circle taper transition bench bus 3 is circular arc line, sees Fig. 4 to Fig. 7 for details.Above-mentioned four circular cone transition bench, the i.e. shape of the first spindle nose circular cone transition bench 212, the second spindle nose circular cone transition bench 222, the 3rd spindle nose circular cone transition bench 232 and the 4th spindle nose circular cone transition bench 242 and measure-alike; On shaft section, circular cone transition bench bus 4 is straight line, sees Fig. 4 to Fig. 7 for details.
Referring to Fig. 3 and Figure 10, the spindle nose diameter D in embodiment 2 is 328mm, and spindle nose length H1 is 225mm, and swing diameter H0 is 975mm, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is 0.20.Fig. 9 applies the testing result of the load of moment of torsion 3900KNm to 11153KNm to the sample of embodiment's 1 described size, adopt after testing stress decreased average 5.2% after this structure.
Referring to Fig. 1, Fig. 3 and Fig. 8, form by the matrix 1 of sphere-like and from extended, the spindle nose that shape is consistent that be connected with bearing of the four direction of matrix 1, namely formed by matrix 1, the first spindle nose 21, the second spindle nose 22, the 3rd spindle nose 23 and the 4th spindle nose 24, being equipped with one between the bottom of each spindle nose and matrix 1, to be approximate circle taper transition bench and cone angle be the circular cone transition bench of 90 °, each spindle nose is approximate circle taper transition bench and the circular cone transition bench seamlessly transits with coupled, sees Fig. 3 to Fig. 7 for details.Namely the bottom of the first spindle nose 21 is provided with the first spindle nose approximate circle taper transition bench 211, it is tangent that the bottom of the first spindle nose approximate circle taper transition bench 211 is provided with the side of the side of the first spindle nose circular cone transition bench 212 and the first coniform transition bench 211 of spindle nose and the first spindle nose circular cone transition bench 212, the bottom of the first spindle nose circular cone transition bench 212 be connected with matrix 1 and side and the matrix 1 of the first spindle nose circular cone transition bench 212 tangent, see Fig. 3 and Fig. 4 for details.The bottom of the second spindle nose 22 is provided with the second spindle nose approximate circle taper transition bench 221, it is tangent that the bottom of the second spindle nose approximate circle taper transition bench 221 is provided with the side of the side of the second spindle nose circular cone transition bench 222 and the second coniform transition bench 221 of spindle nose and the second spindle nose circular cone transition bench 222, the bottom of the second spindle nose circular cone transition bench 222 be connected with matrix 1 and side and the matrix 1 of the first spindle nose circular cone transition bench 212 tangent, see Fig. 3 and Fig. 5 for details.The bottom of the 3rd spindle nose 23 is provided with the 3rd spindle nose approximate circle taper transition bench 231, it is tangent that the bottom of the 3rd spindle nose approximate circle taper transition bench 231 is provided with the side of the side of the 3rd spindle nose circular cone transition bench 232 and the 3rd coniform transition bench 231 of spindle nose and the 3rd spindle nose circular cone transition bench 232, the bottom of the 3rd spindle nose circular cone transition bench 232 be connected with matrix 1 and side and the matrix 1 of the 3rd spindle nose circular cone transition bench 232 tangent, see Fig. 3 and Fig. 6 for details.The bottom of the 4th spindle nose 24 is provided with the 4th spindle nose approximate circle taper transition bench 241, it is tangent that the bottom of the 4th spindle nose approximate circle taper transition bench 241 is provided with the side of the side of the 4th spindle nose circular cone transition bench 242 and the 4th coniform transition bench 241 of spindle nose and the 4th spindle nose circular cone transition bench 242, the bottom of the 4th spindle nose circular cone transition bench 242 be connected with matrix 1 and side and the matrix 1 of the 4th spindle nose circular cone transition bench 242 tangent, see Fig. 3 and Fig. 7 for details.Above-mentioned four approximate circle taper transition bench, the i.e. shape of the first spindle nose approximate circle taper transition bench 211, the second spindle nose approximate circle taper transition bench 221, the 3rd spindle nose approximate circle taper transition bench 231 and the 4th spindle nose approximate circle taper transition bench 241 and measure-alike; On shaft section, approximate circle taper transition bench bus 3 is circular arc line, sees Fig. 4 to Fig. 7 for details.Above-mentioned four circular cone transition bench, the i.e. shape of the first spindle nose circular cone transition bench 212, the second spindle nose circular cone transition bench 222, the 3rd spindle nose circular cone transition bench 232 and the 4th spindle nose circular cone transition bench 242 and measure-alike; On shaft section, circular cone transition bench bus 4 is straight line, sees Fig. 4 to Fig. 7 for details.
Referring to Fig. 1, Fig. 3 and Figure 11, the spindle nose diameter D in embodiment 3 is 170mm, and spindle nose length H1 is 146mm, and swing diameter H0 is 650mm, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is 0.147.Figure 11 applies the testing result of the load of moment of torsion 180KNm to 2878KNm to the sample of embodiment's 3 described sizes, adopt after testing stress decreased average 8.05% after this structure.
Following table be adopt the embodiment 1 of this structure, embodiment 2 and embodiment 3 and conventional construction articulated cross shaft Performance Ratio.Wherein, former design stress refers to adopt the articulated cross shaft stress data of traditional single arc structure or ledge structure.
Can learn in conjunction with Fig. 9, Figure 10, Figure 11 and upper table, employing the design's cross axle can effectively reduce the stress of axle journal root.When H3/H2 was between 0.1 to 0.4, the maximum stress of cross axle root significantly reduced, and the intensity of cross axle significantly improves.The reason that why produces above-mentioned beneficial effect is that the trunnion journal root of this design is and seamlessly transits, and there is no the sudden change of sectional shape; Thereby the stress of having avoided the sectional shape sudden change to cause is concentrated.Simultaneously, this design can come dispersive stress to distribute by the curvature that changes the transition circle conical surface and transition arc facial contour line (bus), reduces stress and concentrates.
Claims (3)
1. articulated cross shaft, form by the matrix (1) of sphere-like and from extended, the spindle nose that shape is consistent that be connected with bearing of the four direction of matrix (1), namely formed by matrix (1), the first spindle nose (21), the second spindle nose (22), the 3rd spindle nose (23) and the 4th spindle nose (24), it is characterized in that, being equipped with one between the bottom of each spindle nose and matrix (1), to be approximate circle taper transition bench and cone angle be the circular cone transition bench of 90 °, and each spindle nose is approximate circle taper transition bench and the circular cone transition bench seamlessly transits with coupled; Namely the bottom of the first spindle nose (21) is provided with the first spindle nose approximate circle taper transition bench (211), it is tangent that the bottom of the first spindle nose approximate circle taper transition bench (211) is provided with the side of the side of the first spindle nose circular cone transition bench (212) and the first spindle nose approximate circle taper transition bench (211) and the first spindle nose circular cone transition bench (212), the bottom of the first spindle nose circular cone transition bench (212) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (212) tangent; The bottom of the second spindle nose (22) is provided with the second spindle nose approximate circle taper transition bench (221), it is tangent that the bottom of the second spindle nose approximate circle taper transition bench (221) is provided with the side of the side of the second spindle nose circular cone transition bench (222) and the second spindle nose approximate circle taper transition bench (221) and the second spindle nose circular cone transition bench (222), the bottom of the second spindle nose circular cone transition bench (222) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (222) tangent; The bottom of the 3rd spindle nose (23) is provided with the 3rd spindle nose approximate circle taper transition bench (231), it is tangent that the bottom of the 3rd spindle nose approximate circle taper transition bench (231) is provided with the side of the side of the 3rd spindle nose circular cone transition bench (232) and the 3rd spindle nose approximate circle taper transition bench (231) and the 3rd spindle nose circular cone transition bench (232), the bottom of the 3rd spindle nose circular cone transition bench (232) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (232) tangent; The bottom of the 4th spindle nose (24) is provided with the 4th spindle nose approximate circle taper transition bench (241), it is tangent that the bottom of the 4th spindle nose approximate circle taper transition bench (241) is provided with the side of the side of the 4th spindle nose circular cone transition bench (242) and the 4th spindle nose approximate circle taper transition bench (241) and the 4th spindle nose circular cone transition bench (242), the bottom of the 4th spindle nose circular cone transition bench (242) be connected with matrix (1) and side and the matrix (1) of the first spindle nose circular cone transition bench (242) tangent;
The shape of the first spindle nose approximate circle taper transition bench (211), the second spindle nose approximate circle taper transition bench (221), the 3rd spindle nose approximate circle taper transition bench (231) and the 4th spindle nose approximate circle taper transition bench (241) and measure-alike; On shaft section, approximate circle taper transition bench bus 3 is circular arc line;
The shape of the first spindle nose circular cone transition bench (212), the second spindle nose circular cone transition bench (222), the 3rd spindle nose circular cone transition bench (232) and the 4th spindle nose circular cone transition bench (242) and measure-alike; On shaft section, circular cone transition bench bus 4 is straight line.
2. articulated cross shaft as claimed in claim 1, it is characterized in that, the scope of swing diameter H0 is between 650mm to 1300mm, the size relationship of swing diameter H0, spindle nose diameter D, spindle nose length H1, the high H2 of approximate circle taper transition bench platform and the high H3 of circular cone transition bench platform is: the swing diameter H0-2 * spindle nose length H1-spindle nose diameter D=4 * high H3+n of circular cone transition bench platform * high H2 of approximate circle taper transition bench platform, wherein, the value of n is 2.828, and the ratio of the high H3 of circular cone transition bench platform and the high H2 of approximate circle taper transition bench platform is between 0.1 to 0.4.
3. articulated cross shaft as claimed in claim 1, it is characterized in that, the base of the base of the first spindle nose circular cone transition bench (212) and the second spindle nose circular cone transition bench (222) is tangential on an A, the base of the base of the second spindle nose circular cone transition bench (222) and the 3rd spindle nose circular cone transition bench (232) is tangential on a B, the base of the 3rd spindle nose circular cone transition bench (232) and the 4th spindle nose circular cone transition bench (242) be tangential on a C, the base of the 4th spindle nose circular cone transition bench (242) and the first spindle nose circular cone transition bench (212) be tangential on a D; Described some A, some B, some C and some D are coplanar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103825.1A CN103148111B (en) | 2013-03-28 | 2013-03-28 | Universal cross shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103825.1A CN103148111B (en) | 2013-03-28 | 2013-03-28 | Universal cross shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103148111A true CN103148111A (en) | 2013-06-12 |
| CN103148111B CN103148111B (en) | 2015-05-06 |
Family
ID=48546364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310103825.1A Expired - Fee Related CN103148111B (en) | 2013-03-28 | 2013-03-28 | Universal cross shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148111B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405762A (en) * | 2014-11-20 | 2015-03-11 | 吴中区光福金怡五金配件厂 | Cross shaft structure |
| CN111509388A (en) * | 2020-04-30 | 2020-08-07 | 庆安集团有限公司 | Ground radar antenna system |
| CN111577757A (en) * | 2020-04-17 | 2020-08-25 | 华强方特（深圳）科技有限公司 | Method and device for realizing single-degree-of-freedom composite cross swing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880405A (en) * | 1986-12-09 | 1989-11-14 | Gelenkwellenbau Gmbh | Universal joint of the cardan type |
| CN2293676Y (en) * | 1996-04-23 | 1998-10-07 | 劳光汉 | Anti-leaping fork head type cross universal couplings |
| CN201475190U (en) * | 2009-07-14 | 2010-05-19 | 杭州萧山中亚汽配有限公司 | Cross-axle gimbal assembly with conical surface |
| CN203146634U (en) * | 2013-03-28 | 2013-08-21 | 合肥工业大学(马鞍山)高新技术研究院 | Universal crossing shaft |
-
2013
- 2013-03-28 CN CN201310103825.1A patent/CN103148111B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880405A (en) * | 1986-12-09 | 1989-11-14 | Gelenkwellenbau Gmbh | Universal joint of the cardan type |
| CN2293676Y (en) * | 1996-04-23 | 1998-10-07 | 劳光汉 | Anti-leaping fork head type cross universal couplings |
| CN201475190U (en) * | 2009-07-14 | 2010-05-19 | 杭州萧山中亚汽配有限公司 | Cross-axle gimbal assembly with conical surface |
| CN203146634U (en) * | 2013-03-28 | 2013-08-21 | 合肥工业大学(马鞍山)高新技术研究院 | Universal crossing shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405762A (en) * | 2014-11-20 | 2015-03-11 | 吴中区光福金怡五金配件厂 | Cross shaft structure |
| CN111577757A (en) * | 2020-04-17 | 2020-08-25 | 华强方特（深圳）科技有限公司 | Method and device for realizing single-degree-of-freedom composite cross swing |
| CN111577757B (en) * | 2020-04-17 | 2021-12-21 | 华强方特（深圳）科技有限公司 | Method and device for realizing single-degree-of-freedom composite cross swing |
| CN111509388A (en) * | 2020-04-30 | 2020-08-07 | 庆安集团有限公司 | Ground radar antenna system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103148111B (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103148111B (en) | Universal cross shaft | |
| CN103711779A (en) | Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft | |
| CN106763072B (en) | Bolt and method for manufacturing same | |
| CN203146634U (en) | Universal crossing shaft | |
| CN103148110B (en) | Articulated cross shaft | |
| CN106089895A (en) | A kind of axis pin base and preparation method thereof, bearing pin connect assembly, engineering machinery | |
| CN203146633U (en) | Universal crossing shaft | |
| CN205101426U (en) | Do not receive angular limitation's universal joint | |
| CN203868088U (en) | Pin shaft connecting structure | |
| CN205744980U (en) | A kind of shaft coupling | |
| CN205173211U (en) | Automotive differential cross axle | |
| CN207935252U (en) | Male ends twisting imprints | |
| CN105314322A (en) | Automatic discharging mechanism for roller burnishing of universal joint transmission shaft levers | |
| CN104879374A (en) | Trolley walking hollow super-long floating shaft | |
| CN204716778U (en) | A kind of multi-purpose type coupling | |
| CN204465178U (en) | A kind of high speed rotor of motor based on segmentation magnet steel and non-uniform shaft | |
| CN204512375U (en) | A kind of combination herringbone gear ring gear floating structure | |
| CN108361271A (en) | A kind of length-adjustable transmission shaft | |
| CN204357971U (en) | A kind of cambered surface sliding block type universal shaft joint | |
| CN207222568U (en) | A kind of copper bar continuous casting and tandem rolling machine | |
| CN203348297U (en) | Flexible shaft transmission shaft head structure | |
| CN105163954B (en) | For the wheel disc of rail vehicle | |
| CN203184360U (en) | Mandrel structure of coiling machine | |
| CN203516059U (en) | Oil pump shaft | |
| CN205732300U (en) | A kind of transmission case of Stand Mill reducing-sizing mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 243071 No. 578 Taibai Avenue, Yucheng District, Anhui, Ma'anshan Applicant after: Hefei University of Technology (Maanshan) High-tech Institute Applicant after: Hefei University of Technology Applicant after: Taier Heavy Industry Co., Ltd. Address before: 243071 No. 578 Taibai Avenue, Yucheng District, Anhui, Ma'anshan Applicant before: Hefei University of Technology (Maanshan) High-tech Institute Applicant before: Hefei University of Technology Applicant before: Anhui Taier Heavy Industry Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |