CN105715668A - Automobile transmission shaft spherical segment component and processing technique - Google Patents
Automobile transmission shaft spherical segment component and processing technique Download PDFInfo
- Publication number
- CN105715668A CN105715668A CN201610248604.7A CN201610248604A CN105715668A CN 105715668 A CN105715668 A CN 105715668A CN 201610248604 A CN201610248604 A CN 201610248604A CN 105715668 A CN105715668 A CN 105715668A
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- China
- Prior art keywords
- billiard table
- spherical segment
- interior
- slot
- type openings
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0661—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the two co-operative parts each having both convex and concave interfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
- B21C25/025—Selection of materials therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/4006—Gripping the work or tool by a split sleeve
- B23B31/4013—Details of the jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/4006—Gripping the work or tool by a split sleeve
- B23B31/4033—Gripping the work or tool by a split sleeve using mechanical transmission through the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/40—Shaping by deformation without removing material
- F16C2220/46—Shaping by deformation without removing material by forging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/62—Shaping by removing material, e.g. machining by turning, boring, drilling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/06—Drive shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses an automobile transmission shaft spherical segment component. The automobile transmission shaft spherical segment component comprises an inner spherical segment and an outer spherical segment arranged at the outer side of inner spherical segment, wherein an inner circular arc groove which is in rolling fit with a spherical outside surface of the inner spherical segment is formed in the outer spherical segment; and at least two grooved openings are formed in the inner wall, at a pressing-in end of the inner spherical segment, of the outer spherical segment along the circumferential direction. The invention also provides a processing technique of the automobile transmission shaft spherical segment component. Firstly, the outer spherical segment is placed on a press fitting plane, and the grooved openings are enabled to face upwards; and secondly, the inner spherical segment is pressed and fitted into the outer spherical segment along the direction perpendicular to the press fitting plane. According to the automobile transmission shaft spherical segment component disclosed by the invention, by adding the outer spherical segment provided with the inner circular arc groove, the spherical outside surface of the inner spherical segment and the inner circular arc groove are enabled to be in rolling fit; the inner spherical segment can freely rotate and swing in the circumferential direction by being relative to the outer spherical segment; and good flexible performance is realized, and vibration and noises are reduced.
Description
Technical field
The present invention relates to automotive trannsmission system.
Background technology
At present, truck drive shaft and an interior billiard table coordinate, and during use, frictional resistance is big, creates bigger vibration and noise.
Summary of the invention
The technical problem to be solved is just to provide a kind of truck drive shaft billiard table assembly, improves the vibration source because spin friction resistance produces and noise source.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of truck drive shaft billiard table assembly, including interior billiard table, it is additionally provided with the outer billiard table being located at outside interior billiard table, described outer billiard table is provided with and rolls, with interior billiard table spherical outside surface, the Inner arc raceway groove that coordinates, described outer billiard table at the press-in end inwall of interior billiard table circumferentially arranged with at least two slot-type openings.
As preferably, described slot-type openings is provided with two, circumferentially-spaced 180 degree of distributions of two slot-type openings billiard table inwalls outside.
As preferably, the degree of depth of described slot-type openings is 4.61mm, and the width of described slot-type openings is 13.8mm, and the width side Sidewall angles of described slot-type openings is 5 °.
As preferably, the end face of described interior billiard table protrudes outer billiard table slot-type openings side end face, and protrusion height is 0.3mm.
As preferably, roughness Ra≤0.25 of described Inner arc raceway groove, roughness Ra≤0.2 of described spherical outside surface, endoporus roughness Ra≤0.2 of described interior billiard table.
As preferably, (1) S φ d=((φ D-φ d)/2+d) × ρ
(2) { ((φ D-S φ d)/2)/((S φ d-φ d)/2)-1} × 100% > 7.5%.
S φ d: middle sphere diameter
Φ D: outer billiard table external diameter
Φ d: interior billiard table internal diameter
ρ: the coefficient of ratio, takes 0.9～0.98.
Present invention also offers a kind of truck drive shaft billiard table assembly processing technique, be first put into by outer billiard table and press-fit in plane, slot-type openings is upward；Then interior billiard table is perpendicular to and press-fits in-plane and be press fit in outer billiard table.
As preferably, the processing technique of described outer billiard table is: the mill processing of forging rough turn phospholeum cold-extruded Vehicle Processing heat treatment.
As preferably, described outer billiard table adopts outer billiard table extrusion molding dies extruded, described outer billiard table extrusion molding dies includes moulded head, and the head of described moulded head is provided with the projection being pressed into outer billiard table endoporus, and the root of described projection is provided with the boss for squeezing out slot-type openings.
As preferably, in Vehicle Processing step, adopt the outer billiard table of tensioning clamper clamping, described tensioning clamper includes cylindrical body and the interior tension shaft through cylindrical body, the head of described cylindrical body is provided with cone mouth, and the head of described cylindrical body is circumferentially arranged with some dilatation joints, and described cylindrical body is provided with the chucking lug coordinated with slot-type openings, the head of described interior tension shaft is provided with annular boss, and described annular boss outer ring surface is provided with the conical surface coordinated with cone mouth.
The technical solution used in the present invention, adds the outer billiard table being provided with Inner arc raceway groove, makes interior billiard table spherical outside surface roll with Inner arc raceway groove and coordinates, and interior billiard table arbitrarily can rotate swing at circumferencial direction by relatively outer billiard table, and flexible performance is good, reduces vibration and noise.
It addition, in order to make interior billiard table and outer billiard table fit together smoothly, outer billiard table circumferentially arranged with at least two slot-type openings, makes interior billiard table can be press fit into smoothly in outer billiard table at the press-in end inwall of interior billiard table.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the cross-sectional view of truck drive shaft billiard table assembly；
Fig. 2 is A place structure for amplifying schematic diagram in Fig. 1；
The interior billiard table that Fig. 3 is truck drive shaft billiard table assembly is pressed into end office's portion's structural representation；
Fig. 4 is the structural representation of outer billiard table extrusion molding dies；
Fig. 5 is the end face structure schematic diagram of outer billiard table tensioning clamper；
Fig. 6 is A-A cross-sectional view in Fig. 5；
Fig. 7 is outer billiard table tensioning clamper package assembly schematic diagram；
Fig. 8 is billiard table modular construction scale diagrams.
Detailed description of the invention
As shown in Figure 1 to Figure 3, a kind of truck drive shaft billiard table assembly 1, including interior billiard table 11, outer billiard table 12, described outer billiard table 12 is provided with spherical outside surface with interior billiard table 11 and rolls the Inner arc raceway groove coordinated, described outer billiard table at the press-in end inwall of interior billiard table circumferentially arranged with at least two slot-type openings 121.Slot-type openings 121 makes interior billiard table 11 can be press fit into smoothly in outer billiard table 12.
Wherein, described slot-type openings 121 is provided with two, circumferentially-spaced 180 degree of distributions of two slot-type openings billiard table inwalls outside.Two slot-type openings width are more than interior thickness of table 1mm, bottom grooved, installation site is less than interior billiard table external diameter 0.1mm, only arranging two grooveds 180 ° symmetrical and could be press fit in outer billiard table by ingenious for interior billiard table, grooved is provided with the magnitude of interference of 0.1mm, prevents interior billiard table from coming off after press-fiting.
The degree of depth of described slot-type openings 121 is 4.61mm, and the width of described slot-type openings 121 is 13.8mm, width side Sidewall angles is 5 °.The depth and width of slot-type openings and the design of Sidewall angles, main consideration is mated with interior billiard table 11, and grooved is too small, and product can not assemble, the intensity of the outer billiard table 12 of the excessive impact of grooved.
Described interior billiard table end face protrudes outer billiard table slot-type openings side end face, and the height of its protrusion is 0.3mm, and this design is to make outer billiard table 12 have better rotary oscillation angle, swinging effect more superior.
Power transmission shaft billiard table assembly design comparison is unique, processing precision of products requires height, outer billiard table is provided with two 180 ° of symmetrical slot-type openings, polish is intermittent grinding, difficulty of processing is big, form grinding Inner arc raceway groove roughness is adopted to ensure Ra≤0.25, spherical outside surface roughness Ra≤0.2, interior billiard table endoporus roughness Ra≤0.2.
Due to the particularity of product structure, adopting polish molding grinding technique, it is ensured that the machining accuracy of product, make interior billiard table arbitrarily can rotate swing at circumferencial direction by relatively outer billiard table after assembling, flexible performance is up to optimum state.
As shown in Figure 8, for the fit dimension of interior billiard table 11, outer billiard table 12, adopt following design:
(1) S φ d=((φ D-φ d)/2+d) × ρ
(2) { ((φ D-S φ d)/2)/((S φ d-φ d)/2)-1} × 100% > 7.5%.
S φ d: middle sphere diameter
Φ D: outer billiard table external diameter
Φ d: interior billiard table internal diameter
ρ: the coefficient of ratio (generally takes 0.9～0.98mm).
Design above formula is applicable to the product of interior billiard table internal diameter > φ 16mm to outer billiard table external diameter < φ 50mm.It addition, the size of above-mentioned slot-type openings is also suitable the product of this specification.
Outer billiard table is the parts that the present invention increases, and its applying working condition is more complicated, and material selects high intensity to have the Gcr15 of high-wear resistance, good fit with what reach with interior billiard table.
Above-mentioned truck drive shaft billiard table assembly processing technique: first outer billiard table is put into parallel desktop, outer billiard table slot-type openings is upward, then interior billiard table is perpendicular to desktop orientation and is put into outer billiard table slot-type openings place, the interior billiard table that will be perpendicular to is press-fited by the interference structure arranged, and assembles the flexible rotation performance checking inside and outside billiard table after putting in place.
Owing to outer billiard table is provided with slot-type openings, for this class formation, tradition is main adopts Milling Machining technique.But Milling Machining inefficient, cost is also high.Cold extruding formation process is adopted for this present invention.
The processing technique of outer billiard table is: the mill processing of forging rough turn phospholeum cold-extruded Vehicle Processing heat treatment.Wherein, forging, the processing of rough turn, phospholeum, heat treatment, mill are Conventional process steps, do not repeat them here, but for this step of cold extrusion forming, the present invention develops outer billiard table extrusion molding dies, for Vehicle Processing step, the present invention develops the tensioning clamper that external billiard table machines.
As shown in Figure 4, described outer billiard table extrusion molding dies 2 includes columned moulded head 21, the head of described moulded head is provided with the projection 22 being pressed into outer billiard table endoporus, and projection 22 diameter is less than moulded head 21 rear cylindrical body diameter, and described projection root is provided with the boss 23 for squeezing out slot-type openings.Moulded head, due in irregular shape, adopts three-dimensional modeling, and numerical control programming is input in process equipment to be shaped processing, moulded head material selection Japan imported L D mold materials.
As shown in Figures 5 to 7, described tensioning clamper includes cylindrical body 31 and the interior tension shaft 4 through cylindrical body 31, cylindrical body rear end is circumferentially with flange 32 around whole, flange is evenly distributed and arranges fixing hole 321, the head of described cylindrical body is provided with cone mouth 311, the head of described cylindrical body is circumferentially arranged with some dilatation joints 312, and the head of described cylindrical body is provided with the chucking lug 313 coordinated with slot-type openings 121.The head of interior tension shaft 4 is provided with annular boss 41, and described annular boss outer ring surface is provided with the conical surface 411 coordinated with cone mouth.The afterbody of interior tension shaft is provided with stud section 42, and annular boss 41 end face is provided with yi word pattern or cross fluting 412.
Cylindrical body 31 is fixed on lathe through fixing hole 321 on flange 32 by bolt, interior tension shaft 4 is fixed on the internal axially moving body of lathe by stud section 42, screwdriver drives interior tension shaft 4 to rotate by yi word pattern or cross fluting 412, thus stud section being fixed with moving axially body.Driving interior tension shaft 4 to move by moving axially body, the conical surface 411 acts on cone mouth 311, makes the head of cylindrical body 31 outer billiard table 12 tensioner be fixed, and now chucking lug 313 just coordinates with slot-type openings 121.
This Zhang Zhang's clamper is assembled on lathe and debugs, and in order to ensure the precision of fixture and lathe after debugging, is again with polish mode and fixture is modified.
Claims (10)
1. a truck drive shaft billiard table assembly, including interior billiard table, it is characterized in that: be additionally provided with the outer billiard table being located at outside interior billiard table, described outer billiard table is provided with and rolls, with interior billiard table spherical outside surface, the Inner arc raceway groove that coordinates, described outer billiard table at the press-in end inwall of interior billiard table circumferentially arranged with at least two slot-type openings.
2. a kind of truck drive shaft billiard table assembly according to claim 1, it is characterised in that: described slot-type openings is provided with two, circumferentially-spaced 180 degree of distributions of two slot-type openings billiard table inwalls outside.
3. a kind of truck drive shaft billiard table assembly according to claim 2, it is characterised in that: the degree of depth of described slot-type openings is 4.61mm, and the width of described slot-type openings is 13.8mm, and the width side Sidewall angles of described slot-type openings is 5 °.
4. a kind of truck drive shaft billiard table assembly according to claim 1, it is characterised in that: the end face of described interior billiard table protrudes outer billiard table slot-type openings side end face, and protrusion height is 0.3mm.
5. a kind of truck drive shaft billiard table assembly according to claim 1, it is characterised in that: roughness Ra≤0.25 of described Inner arc raceway groove, roughness Ra≤0.2 of described spherical outside surface, endoporus roughness Ra≤0.2 of described interior billiard table.
6. a kind of truck drive shaft billiard table assembly according to claim 1 to 5 any one, it is characterised in that:
(1) S φ d=((φ D-φ d)/2+d) × ρ
(2) { ((φ D-S φ d)/2)/((S φ d-φ d)/2)-1} × 100% > 7.5%.
S φ d: middle sphere diameter
Φ D: outer billiard table external diameter
Φ d: interior billiard table internal diameter
ρ: the coefficient of ratio, takes 0.9～0.98.
7. a truck drive shaft billiard table assembly processing technique, it is characterised in that: being first put into by outer billiard table and press-fit in plane, slot-type openings is upward；Then interior billiard table is perpendicular to and press-fits in-plane and be press fit in outer billiard table.
8. a kind of truck drive shaft billiard table assembly processing technique according to claim 7, it is characterised in that: the processing technique of described outer billiard table is: the mill processing of forging rough turn phospholeum cold-extruded Vehicle Processing heat treatment.
9. a kind of truck drive shaft billiard table assembly processing technique according to claim 8, it is characterized in that: described outer billiard table adopts outer billiard table extrusion molding dies extruded, described outer billiard table extrusion molding dies includes moulded head, the head of described moulded head is provided with the projection being pressed into outer billiard table endoporus, and the root of described projection is provided with the boss for squeezing out slot-type openings.
10. a kind of truck drive shaft billiard table assembly processing technique according to claim 8, it is characterized in that: in Vehicle Processing step, adopt the outer billiard table of tensioning clamper clamping, described tensioning clamper includes cylindrical body and the interior tension shaft through cylindrical body, the head of described cylindrical body is provided with cone mouth, the head of described cylindrical body is circumferentially arranged with some dilatation joints, described cylindrical body is provided with the chucking lug coordinated with slot-type openings, the head of described interior tension shaft is provided with annular boss, and the outer ring surface of described annular boss is provided with the conical surface coordinated with cone mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248604.7A CN105715668A (en) | 2016-04-20 | 2016-04-20 | Automobile transmission shaft spherical segment component and processing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248604.7A CN105715668A (en) | 2016-04-20 | 2016-04-20 | Automobile transmission shaft spherical segment component and processing technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715668A true CN105715668A (en) | 2016-06-29 |
Family
ID=56161323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610248604.7A Pending CN105715668A (en) | 2016-04-20 | 2016-04-20 | Automobile transmission shaft spherical segment component and processing technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715668A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248486A (en) * | 1978-12-15 | 1981-02-03 | Pneumo Corporation | Spherical bearing assembly with stress relief |
| CN2865945Y (en) * | 2006-01-23 | 2007-02-07 | 许晓华 | Digital control machine tool internal expansion gripping device |
| DE102006008871B3 (en) * | 2006-02-21 | 2007-08-30 | Bessey Tool Gmbh & Co. Kg | Workpiece-pressure applying device for e.g. bench vise, has locking unit and retaining area designed such that force expenditure to immerse unit into area is smaller than force expenditure to immerse fastening head from area |
| CN201108973Y (en) * | 2007-11-08 | 2008-09-03 | 新昌县五洲精密冷成型技术有限公司 | Cold-rolling bearing ferrule trench locating grip device |
| CN201218274Y (en) * | 2008-07-01 | 2009-04-08 | 万向集团公司 | Ball pin assembly |
| CN204284193U (en) * | 2014-11-19 | 2015-04-22 | 吴旦英 | A kind of structure-improved of universal bearing |
| CN204458806U (en) * | 2015-03-11 | 2015-07-08 | 宁波优适捷传动件有限公司 | Ball joint assembly in vehicle-mounted steering system |
| CN205128966U (en) * | 2015-11-25 | 2016-04-06 | 内蒙古北方重工业集团有限公司 | Centre of force axle backward rises |
| CN205559530U (en) * | 2016-04-20 | 2016-09-07 | 杭州雷迪克节能科技股份有限公司 | Car transmission shaft table subassembly |
-
2016
- 2016-04-20 CN CN201610248604.7A patent/CN105715668A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248486A (en) * | 1978-12-15 | 1981-02-03 | Pneumo Corporation | Spherical bearing assembly with stress relief |
| CN2865945Y (en) * | 2006-01-23 | 2007-02-07 | 许晓华 | Digital control machine tool internal expansion gripping device |
| DE102006008871B3 (en) * | 2006-02-21 | 2007-08-30 | Bessey Tool Gmbh & Co. Kg | Workpiece-pressure applying device for e.g. bench vise, has locking unit and retaining area designed such that force expenditure to immerse unit into area is smaller than force expenditure to immerse fastening head from area |
| CN201108973Y (en) * | 2007-11-08 | 2008-09-03 | 新昌县五洲精密冷成型技术有限公司 | Cold-rolling bearing ferrule trench locating grip device |
| CN201218274Y (en) * | 2008-07-01 | 2009-04-08 | 万向集团公司 | Ball pin assembly |
| CN204284193U (en) * | 2014-11-19 | 2015-04-22 | 吴旦英 | A kind of structure-improved of universal bearing |
| CN204458806U (en) * | 2015-03-11 | 2015-07-08 | 宁波优适捷传动件有限公司 | Ball joint assembly in vehicle-mounted steering system |
| CN205128966U (en) * | 2015-11-25 | 2016-04-06 | 内蒙古北方重工业集团有限公司 | Centre of force axle backward rises |
| CN205559530U (en) * | 2016-04-20 | 2016-09-07 | 杭州雷迪克节能科技股份有限公司 | Car transmission shaft table subassembly |
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