CN105041813A - Pin shaft connecting component, manufacturing method and engineering machine - Google Patents
Pin shaft connecting component, manufacturing method and engineering machine Download PDFInfo
- Publication number
- CN105041813A CN105041813A CN201510506733.7A CN201510506733A CN105041813A CN 105041813 A CN105041813 A CN 105041813A CN 201510506733 A CN201510506733 A CN 201510506733A CN 105041813 A CN105041813 A CN 105041813A
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- thread section
- bearing pin
- hole
- pin shaft
- diameter
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000010923 batch production Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
-
- 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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
Abstract
The invention discloses a pin shaft connecting component. The pin shaft connecting component comprises a pin shaft seat and is characterized in that a pin shaft hole used for mounting of a matched pin shaft is formed in the pin shaft seat; a first threaded segment is arranged at one end of the pin shaft hole; a round hole is formed in the other end of the first threaded segment; a first conical ring hole is formed between the pin shaft hole and the first threaded segment; and a second conical ring hole is formed between the first threaded segment and the round hole. The pin shaft seat is simple in structure, narrow in occupied axial space, high in connecting reliability and easy to machine and manufacture, and therefore the performance of an engineering machine with the pin shaft seat can be improved. In addition, the pin shaft connecting component based on the pin shaft seat is provided. In addition, the invention provides a manufacturing method of the pin shaft seat. The machining process of the pin shaft seat with the manufacturing method is simple, batch production can be achieved, and the production cost can be lowered.
Description
Technical field
The present invention relates to pinned connection technical field, relate to a kind of pinned connection assembly particularly.In addition, the invention still further relates to a kind of making method of this pinned connection assembly.In addition, the invention still further relates to the engineering machinery of this pinned connection assembly of a kind of application.The present invention is mainly developed in location, is generally be used in the location of axle, rod member or other component, is namely generally used in being rigidly connected.Therefore, describing the present invention about this purposes is easily, but should be appreciated that, the present invention can be used to axle, rod member or other component hinged in, in namely can being used to flexibly connect.
Background technique
Pinned connection uses quite extensive at mechanical field, as alignment pin all employs alignment pin in the component such as split type speed reducer, Split bearing pedestal, axle or rod member; And for example in engineering machinery, connecting between vehicle frame with vehicle frame, connecting between vehicle frame with equipment, connection that equipment individual components is mutual, all employ hinging pin shaft.But the design standard that pin shaft structure is ununified, when the actual design of pin shaft structure, different types, designer, the pin shaft structure designed varies, and using effect is not very good yet.
At present, as in locating stud, the phenomenon that straight pin or taper pin in use can be deviate from due to the effect repeatedly vibrated, especially when dismounting, the less bearing pin of use one is needed to be up to by locating stud from its one end, now be easy to original positioning pin hole to cause damage compared with small clevis pin with head, thus affect locating effect.
And for example conventional bearing pin, one end major part the other end relies on cotter pin to lock usually, not only there is cotter pin damage and cause out of stock possibility, and the necessary protrudent pin axle bed in bearing pin two ends, thus need the space more roomy than axis pin base, pinned connection place is made to need larger space, cause and use the engineering machinery of pin shaft connection structure just to need larger spatial structure, thus result in the related components huge structure of engineering machinery, larger inhibition is served to the raising of the performance of engineering machinery.
Therefore, how to improve and optimize the structure of pinned connection assembly, improve the reliability of pinned connection assembly, and to reduce that its institute takes up space be the important technological problems that those skilled in the art need solution at present.
Summary of the invention
The object of this invention is to provide a kind of pinned connection assembly, this pinned connection modular construction is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thus contributes to the performance improving the engineering machinery using it.
Second object of the present invention is to provide a kind of making method based on above-mentioned pinned connection assembly.
3rd object of the present invention is to provide a kind of engineering machinery applying above-mentioned pinned connection assembly.
For realizing above-mentioned first object, the invention provides a kind of pinned connection assembly, comprise bearing pin pedestal, described bearing pin pedestal is provided with the pin shaft hole for installing the bearing pin adapted, and is provided with bearing pin in described pin shaft hole, and described bearing pin comprises cylindrical body,
One end of described pin shaft hole is provided with thread section one, and the other end of described thread section one is provided with circular hole, is provided with conical ring hole one between described pin shaft hole and described thread section one, is provided with conical ring hole two between described thread section one and described circular hole;
Described cylindrical one end is provided with thread section two, and the other end of described thread section two is provided with bearing pin head, is provided with changeover portion one between described cylindrical body and described thread section two, is provided with changeover portion two between described thread section two and described bearing pin head;
Wherein, described thread section one and described thread section two are the screw thread of pairing mutually.
Preferably, the diameter of described thread section one is greater than the diameter of described pin shaft hole.
Preferably, the path of the screw thread on described thread section one is greater than the diameter of described pin shaft hole.
Preferably, the diameter of described thread section one is less than the aperture of described circular hole.
Preferably, the large footpath of the screw thread on described thread section one is less than the aperture of described circular hole.
Preferably, the diameter of the large nose end in described conical ring hole one is identical with the size of the path of the screw thread of described thread section one.
Preferably, the diameter of the small bore end in described conical ring hole one is identical with the size of described pin shaft hole.
Preferably, the diameter of the small bore end in described conical ring hole two is identical with the size in the large footpath of described thread section one.
Preferably, the diameter of the large nose end in described conical ring hole two is identical with the size of the diameter of described circular hole.
Preferably, described axis pin base has the mounting hole for installing corresponding part or groove, and described pin shaft hole is distributed in the both sides of described mounting hole or groove.
Preferably, the screw thread on described thread section one adopts V thread screw or square threaded form, trapezoidal thread, buttress thread form, also can adopt other special shape screw thread.
Preferably, the diameter of described thread section two is greater than described cylindrical diameter, and the path of screw thread on described thread section two is greater than or equal to described cylindrical diameter.
Preferably, the diameter of described thread section two is greater than the external diameter of described bearing pin head, and the path of screw thread on described thread section two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head.
Preferably, described bearing pin head is square spigot.
Preferably, described square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
Preferably, described changeover portion one adopts the form of arc transition to connect described cylindrical body and described thread section two.
Preferably, described changeover portion two adopts the form of arc transition to connect described bearing pin head and described thread section two, and the path of described changeover portion two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head, and described changeover portion two adopts the transient mode of rounding again with the non-maximum outside diameter place of the appearance profile of described bearing pin head.
Preferably, the screw thread on described thread section two adopts V thread screw or square threaded form, trapezoidal thread, buttress thread form, also can adopt other special shape screw thread.
For realizing above-mentioned second object, the invention provides a kind of making method based on above-mentioned pinned connection assembly, comprise the making method of bearing pin and axis pin base, described bearing pin is the bearing pin described in above-mentioned arbitrary technological scheme, described axis pin base is the axis pin base in above-mentioned arbitrary technological scheme
Wherein, the making method of bearing pin, comprises the following steps:
Step 11, adopts round steel or bar to carry out the blanking of bearing pin.
Step 12, carries out the preparatory processing of appearance profile by lower good material, comprise the first car of the appearance profile to each section of bearing pin, and leave suitable surplus.
Step 13, carries out quenching with Subsequent tempering to the part through preparatory processing.
Step 14, process described bearing pin head, comprise each side of milling square spigot and chamfering or rounding carried out to the intersection of adjacent side, and adopt milling cutter vertical with bearing pin but disjoint mode directly to reach the object that described changeover portion two and the non-maximum outside diameter place of the appearance profile of described bearing pin head adopt the transient mode of rounding again.
Step 15, processes described thread section two, described cylindrical body and described changeover portion one and described changeover portion two, comprises changeover portion two and threading described in changeover portion one, car described in cylindrical body described in car, car.Wherein described in car, described in cylindrical body, car, the processing sequence of changeover portion described in changeover portion one, car can suitably adjust as required.
Step 16, carries out chamfering or rounding process to the end of described cylindrical disconnected section.
Step 17, carries out fine finishing to described cylindrical cylindrical, to ensure that its surface roughness reaches usage requirement.
Illustrate, in a step 11, the material manufacturing multiple bearing pin can being connected together, again each being separated close to completing bearing pin after experience step 12 to step 17, thus realize once can processing multiple bearing pin, raise the efficiency.
Wherein, the making method of axis pin base, comprises the following steps:
Step 21, axis pin base blank is processed, if having the needs of high strength to axis pin base, then carries out corresponding quenching with Subsequent tempering; If there is no high requirement, then do not carry out quenching with Subsequent tempering.
Step 22, boring, bores described pin shaft hole and comprises the first time bottom outlet to described thread section one and described circular hole place, and to the chamfering deburring of each exposed section, hole.
Step 23, reaming, the bottom outlet of thread section one described in counterboring axial counterboring put in place.
Step 24, again reaming, circular hole described in counterboring axial counterboring put in place.
Step 25, fraising, comprises articulation pin shaft hole and circular hole, and circular hole articulation axially puts in place but can not damage described conical ring hole two, and the technique guard space of reserved about 0.5mm between the maximum distance of circular hole when articulation and conical ring hole two.
Step 26, tapping, comprises double thread section one and carries out screw thread process.
Step 27, cleans each hole and thread section one and does antirust treatment.
Illustrate, in step 21, the blank course of working of axis pin base can complete with reference to prior art, is no longer described in detail herein.
The present invention's the 3rd object, for providing a kind of engineering machinery, comprises pinned connection assembly, and described pinned connection is the pinned connection assembly described in above-mentioned arbitrary technological scheme.
Compared with prior art, the invention provides pinned connection assembly, comprise bearing pin pedestal, described bearing pin pedestal is provided with the pin shaft hole for installing the bearing pin adapted, and is provided with bearing pin in described pin shaft hole, and described bearing pin comprises cylindrical body, one end of described pin shaft hole is provided with thread section one, the other end of described thread section one is provided with circular hole, is provided with conical ring hole one between described pin shaft hole and described thread section one, is provided with conical ring hole two between described thread section one and described circular hole; Described cylindrical one end is provided with thread section two, and the other end of described thread section two is provided with bearing pin head, is provided with changeover portion one between described cylindrical body and described thread section two, is provided with changeover portion two between described thread section two and described bearing pin head; Wherein, described thread section one and described thread section two are the screw thread of pairing mutually.Adopt the pin shaft structure of this technological scheme simple, axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thus contributes to the performance improving the engineering machinery using it.A kind of making method course of working based on above-mentioned pinned connection assembly provided by the invention is simple, can realize mass production, is conducive to reducing cost of production.The engineering machinery with above-mentioned pinned connection assembly provided by the invention has whole technical advantages of above-mentioned bearing pin, is not repeated herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The assembly structure schematic diagram of the pinned connection assembly that Fig. 1 provides for a kind of specific embodiment of the present invention.
The assembly structure schematic diagram of the bearing pin that Fig. 2 provides for specific embodiment a kind of in the present invention.
Fig. 3 is the A direction view in Fig. 2.
Fig. 4 is the sectional view intercepted along the BB in Fig. 3.
The A direction view of the assembly structure schematic diagram of the bearing pin that Fig. 5 provides for the second specific embodiment in the present invention.
The structural representation of the axis pin base that Fig. 6 provides for the third specific embodiment in the present invention.
Fig. 7 is the structural representation of the 4th kind of axis pin base that specific embodiment provides in the present invention.
The assembly structure schematic diagram of the pinned connection assembly that Fig. 8 provides for the present invention's the 4th kind of specific embodiment.
Embodiment
The object of this invention is to provide a kind of pinned connection assembly, this pinned connection modular construction is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thus contributes to the performance improving the engineering machinery using it.Second object of the present invention is to provide a kind of making method based on above-mentioned pinned connection assembly.3rd object of the present invention is to provide a kind of engineering machinery applying above-mentioned pinned connection assembly.
In order to make those skilled in the art person understand technological scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the assembly structure schematic diagram of the pinned connection assembly that Fig. 1 provides for a kind of specific embodiment of the present invention; The assembly structure schematic diagram of the bearing pin that Fig. 2 provides for specific embodiment a kind of in the present invention; Fig. 3 is the A direction view in Fig. 2; Fig. 4 is the sectional view intercepted along the BB in Fig. 3; The A direction view of the assembly structure schematic diagram of the bearing pin that Fig. 5 provides for the second specific embodiment in the present invention; The structural representation of the axis pin base that Fig. 6 provides for the third specific embodiment in the present invention.
In a kind of specific embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 6, a kind of pinned connection assembly provided by the invention, comprise bearing pin 1 and bearing pin pedestal 2, it is characterized by, bearing pin pedestal 2 is provided with the pin shaft hole 21 for installing the bearing pin adapted, and is provided with the cylindrical body 11 of bearing pin 1 in pin shaft hole 21.Further, one end of pin shaft hole 21 is provided with thread section 1, and the other end of thread section 1 is provided with circular hole 25, is provided with conical ring hole 1 between pin shaft hole 21 and thread section 1, is provided with conical ring hole 2 24 between thread section 1 and circular hole 25; One end of cylindrical body 11 is provided with thread section 2 13, and the other end of thread section 2 13 is provided with bearing pin head 15, is provided with changeover portion 1 between cylindrical body 11 and thread section 2 13, is provided with changeover portion 2 14 between thread section 2 13 and bearing pin head 15.Wherein, thread section 1 and thread section 2 13 are the screw thread of pairing mutually.Like this, not only make this pinned connection assembly reach default object, and be convenient to processing.
During work, as shown in Figure 1, axis pin base 2 is provided with the bearing pin 1 adapted with it, is positioned by cylindrical body 11 pairs of component 3 of bearing pin 1.Further, shown in composition graphs 2 and Fig. 6, the intermediate portion on cylindrical body 11 or the one end away from thread section 2 13 are used for installation targets component 3, and thread section 2 13 is arranged in thread section 1, and the bearing pin head 15 of correspondence also loads in circular hole 25.Apparently, this structure may be used for dock lid and pedestal on, now, lid and pedestal be respectively axis pin base 2 or component 3, and the relativeness of the two can be exchanged, namely lid can be set to component 3, pedestal is set to axis pin base 2 or lid is set to axis pin base 2, pedestal is set to component 3.
Further, as shown in Figure 2, the diameter of thread section 2 13 is greater than the diameter of cylindrical body 11, and the path of the screw thread on thread section 2 13 is greater than or equal to the diameter of cylindrical body 11, and the diameter of thread section 2 13 is greater than the external diameter of bearing pin head 15, and the path of screw thread on thread section 2 13 is greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.
Further, please refer to Fig. 3, bearing pin head 15 is square spigot.Further, square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
On the basis of technique scheme, further improvement can also be done.Particularly, as shown in Figure 6, the diameter of thread section 1 is greater than the diameter of pin shaft hole 21, and the path of screw thread on thread section 1 is greater than the diameter of pin shaft hole 21.Further, the diameter of thread section 1 is less than the aperture of circular hole 25, and the large footpath of screw thread on thread section 1 is less than the aperture of circular hole 25.Like this, not only make the object that this axis pin base reaches initial, and be convenient to processing.
On the basis of above-mentioned arbitrary technological scheme, further improvement can also be done.Particularly, please refer to Fig. 4, changeover portion 1 adopts form connecting cylinder body 11 and the thread section 2 13 of arc transition.Further, changeover portion 2 14 adopts form connecting pin spindle nose 15 and the thread section 2 13 of arc transition.Further, the path of changeover portion 2 14 is greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.Again further, changeover portion 2 14 and the non-maximum outside diameter place of the appearance profile of bearing pin head 15 adopt the transient mode of rounding again.
On the basis of above-mentioned arbitrary technological scheme, further improvement can also be done.Particularly, as shown in Figure 3, the diameter of the cylinder at the intersection line place of adjacent each of the square spigot of bearing pin head 15 equals the path of changeover portion 2 14.In addition, as shown in Figure 5, apparently, the diameter of the cylinder at the intersection place of each adjacent side of bearing pin head 15 can be greater than the path of changeover portion 2 14, now chamfering is carried out in the suitable intersection to each adjacent side of bearing pin head 15, and the path of changeover portion 2 14 can be made to be greater than or equal to the maximum outside diameter of the appearance profile of bearing pin head 15.In addition, apparently, the diameter of the cylinder at the intersection line place of adjacent each of the square spigot of bearing pin head 15 suitably can also be less than the path of changeover portion 2 14.
On the basis of above-mentioned arbitrary technological scheme, further improvement can also be done.Particularly, as shown in Figure 6, the diameter of the large nose end in conical ring hole 1 is identical with the size of the path of the screw thread of thread section 1; And the diameter of the small bore end in conical ring hole one is identical with the size of described pin shaft hole.Further, the diameter of the small bore end in conical ring hole 2 24 is identical with the size in the large footpath of thread section 1, and the diameter of the large nose end in conical ring hole 2 24 is identical with the size of the diameter of circular hole 25.
Further, as shown in Figure 2, the screw thread on thread section 1 adopts the form of V thread screw; Equally, the screw thread on this thread section 1 can also adopt square threaded form, trapezoidal thread, buttress thread form or other special shape screw thread.As shown in Figure 6, the screw thread on thread section 2 13 adopts the form of V thread screw; Equally, the screw thread on this thread section 2 13 can also adopt square threaded form, trapezoidal thread, buttress thread form or other special shape screw thread.Wherein, thread section 1 and thread section 2 12 are the screw thread of pairing mutually.
On the basis of above-mentioned arbitrary technological scheme, further improvement can also be done.Please refer to Fig. 7 and Fig. 8, Fig. 7 is the structural representation of the 4th kind of axis pin base that specific embodiment provides in the present invention; The assembly structure schematic diagram of the pinned connection assembly that Fig. 8 provides for the present invention's the 4th kind of specific embodiment.
Concrete, as shown in Figure 7, pin shaft hole 21 is distributed on two journal stirrups of bearing pin pedestal 2, and be the mounting groove for installing corresponding component 3 therebetween, namely pin shaft hole 21 is distributed in the both sides of described mounting groove.In the unshowned embodiment of one, described mounting groove also can for installing the mounting hole of corresponding component 3.As shown in Figure 8, a part for corresponding component 3 is arranged in two journal stirrups of bearing pin pedestal 2, is undertaken hinged by bearing pin 1.It should be noted that, the specific constructive form of the present invention to this mounting hole or groove does not do any restriction.In addition, also can by the mode in grooving or hole on bearing pin pedestal 2 for installing corresponding component 3.
Wherein, in above-mentioned arbitrary technological scheme, its one end or two ends can be arranged in the pin shaft hole 21 of axis pin base 2 by cylindrical body 11 as required.
The present invention's second object is to provide a kind of making method based on above-mentioned pinned connection assembly, comprise the making method of bearing pin and axis pin base, described bearing pin for the bearing pin described in above-mentioned arbitrary technological scheme, described axis pin base be the axis pin base in above-mentioned arbitrary technological scheme
Wherein, the making method of bearing pin, comprises the following steps:
Step 11, adopts round steel or bar to carry out the blanking of bearing pin.
Step 12, carries out the preparatory processing of appearance profile by lower good material, comprise the first car of the appearance profile to each section of bearing pin, and leave suitable surplus.
Step 13, carries out quenching with Subsequent tempering to the part through preparatory processing.
Step 14, process described bearing pin head, comprise each side of milling square spigot and chamfering or rounding carried out to the intersection of adjacent side, and adopt milling cutter vertical with bearing pin but disjoint mode directly to reach the object that described changeover portion two and the non-maximum outside diameter place of the appearance profile of described bearing pin head adopt the transient mode of rounding again.
Step 15, processes described thread section two, described cylindrical body and described changeover portion one and described changeover portion two, comprises changeover portion two and threading described in changeover portion one, car described in cylindrical body described in car, car.Wherein described in car, described in cylindrical body, car, the processing sequence of changeover portion described in changeover portion one, car can suitably adjust as required.
Step 16, carries out chamfering or rounding process to the end of described cylindrical disconnected section.
Step 17, carries out fine finishing to described cylindrical cylindrical, to ensure that its surface roughness reaches usage requirement.
Illustrate, in a step 11, the material manufacturing multiple bearing pin can being connected together, again each being separated close to completing bearing pin after experience step 12 to step 17, thus realize once can processing multiple bearing pin, raise the efficiency.
Wherein, the making method of axis pin base, comprises the following steps:
Step 21, axis pin base blank is processed, if having the needs of high strength to axis pin base, then carries out corresponding quenching with Subsequent tempering; If there is no high requirement, then do not carry out quenching with Subsequent tempering.
Step 22, boring, bores described pin shaft hole and comprises the first time bottom outlet to described thread section one and described circular hole place, and to the chamfering deburring of each exposed section, hole.
Step 23, reaming, the bottom outlet of thread section one described in counterboring axial counterboring put in place.
Step 24, again reaming, circular hole described in counterboring axial counterboring put in place.
Step 25, fraising, comprises articulation pin shaft hole and circular hole, and circular hole articulation axially puts in place but can not damage described conical ring hole two, and the technique guard space of reserved about 0.5mm between the maximum distance of circular hole when articulation and conical ring hole two.
Step 26, tapping, comprises double thread section one and carries out screw thread process.
Step 27, cleans each hole and thread section one and does antirust treatment.
Illustrate, in step 21, the blank course of working of axis pin base can complete with reference to prior art, is no longer described in detail herein.
The present invention's the 3rd object is to provide a kind of engineering machinery, comprises pinned connection assembly, and described pinned connection is the pinned connection assembly described in above-mentioned arbitrary technological scheme, and the other parts of this project machinery with reference to prior art, no longer can be launched herein.
It should be noted that, those skilled in the art can comparatively simply can not understand or this making method of comprehension with reference to any accompanying drawing completely when the making method with reference to this pinned connection assembly.Therefore, the accompanying drawing of this part is not provided in the present invention.
Compared with prior art, the invention provides pinned connection assembly, comprise bearing pin pedestal, described bearing pin pedestal is provided with the pin shaft hole for installing the bearing pin adapted, and is provided with bearing pin in described pin shaft hole, and described bearing pin comprises cylindrical body, one end of described pin shaft hole is provided with thread section one, the other end of described thread section one is provided with circular hole, is provided with conical ring hole one between described pin shaft hole and described thread section one, is provided with conical ring hole two between described thread section one and described circular hole; Described cylindrical one end is provided with thread section two, and the other end of described thread section two is provided with bearing pin head, is provided with changeover portion one between described cylindrical body and described thread section two, is provided with changeover portion two between described thread section two and described bearing pin head; Wherein, described thread section one and described thread section two are the screw thread of pairing mutually.Adopt the pin shaft structure of this technological scheme simple, axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thus contributes to the performance improving the engineering machinery using it.A kind of making method course of working based on above-mentioned pinned connection assembly provided by the invention is simple, can realize mass production, is conducive to reducing cost of production.The engineering machinery with above-mentioned pinned connection assembly provided by the invention has whole technical advantages of above-mentioned bearing pin, is not repeated herein.
Above pinned connection assembly provided by the present invention, making method, engineering machinery are described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a pinned connection assembly, comprises bearing pin pedestal, and described bearing pin pedestal is provided with the pin shaft hole for installing the bearing pin adapted, and is provided with bearing pin in described pin shaft hole, and described bearing pin comprises cylindrical body, it is characterized in that,
One end of described pin shaft hole is provided with thread section one, and the other end of described thread section one is provided with circular hole, is provided with conical ring hole one between described pin shaft hole and described thread section one, is provided with conical ring hole two between described thread section one and described circular hole;
Described cylindrical one end is provided with thread section two, and the other end of described thread section two is provided with bearing pin head, is provided with changeover portion one between described cylindrical body and described thread section two, is provided with changeover portion two between described thread section two and described bearing pin head;
Wherein, preferably, described thread section one and described thread section two are the screw thread of pairing mutually.
2. a kind of pinned connection assembly according to claim 1, it is characterized in that, the diameter of described thread section one is greater than the diameter of described pin shaft hole, and the path of the screw thread on described thread section one is greater than the diameter of described pin shaft hole, the diameter of described thread section two is greater than described cylindrical diameter, and the path of screw thread on described thread section two is greater than or equal to described cylindrical diameter.
3. a kind of pinned connection assembly according to claim 2, it is characterized in that, the diameter of described thread section one is less than the aperture of described circular hole, and the large footpath of the screw thread on described thread section one is less than the aperture of described circular hole, the diameter of described thread section two is greater than the external diameter of described bearing pin head, and the path of screw thread on described thread section two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head.
4. a kind of pinned connection assembly according to claim 1, it is characterized in that, the diameter of the large nose end in described conical ring hole one is identical with the size of the path of the screw thread of described thread section one, and the diameter of the small bore end in described conical ring hole one is identical with the size of described pin shaft hole, the diameter of the small bore end in described conical ring hole two is identical with the size in the large footpath of described thread section one, and the diameter of the large nose end in described conical ring hole two is identical with the size of the diameter of described circular hole.
5. a kind of pinned connection assembly according to claim 1, is characterized in that, described bearing pin head is square spigot, and described square spigot is hexagon head, and its cross section is regular hexagon, and intersection, each limit is all provided with chamfering or fillet.
6. a kind of pinned connection assembly according to claim 1, is characterized in that, described axis pin base has the mounting hole for installing corresponding part or groove, and described pin shaft hole is distributed in the both sides of described mounting hole or groove.
7. a kind of pinned connection assembly according to claim 1, it is characterized in that, described changeover portion one adopts the form of arc transition to connect described cylindrical body and described thread section two, described changeover portion two adopts the form of arc transition to connect described bearing pin head and described thread section two, and the path of described changeover portion two is greater than or equal to the maximum outside diameter of the appearance profile of described bearing pin head, and described changeover portion two adopts the transient mode of rounding again with the non-maximum outside diameter place of the appearance profile of described bearing pin head.
8. a kind of pinned connection assembly according to claim 1, it is characterized in that, screw thread on described thread section one and thread section two adopts V thread screw or square threaded form, trapezoidal thread, buttress thread form, also can adopt other special shape screw thread, and the screw thread that thread section one and thread section two adopt is same.
9. a making method for pinned connection assembly, comprises the making method of bearing pin and axis pin base, and bearing pin according to any one of the claims 1 to 8 of described bearing pin and described axis pin base and axis pin base, is characterized in that,
Wherein, the making method of bearing pin, comprises the following steps:
Step 11, adopts round steel or bar to carry out the blanking of bearing pin;
Step 12, carries out the preparatory processing of appearance profile by lower good material, comprise the first car of the appearance profile to each section of bearing pin, and leave suitable surplus;
Step 13, carries out quenching with Subsequent tempering to the part through preparatory processing;
Step 14, process described bearing pin head, comprise each side of milling square spigot and chamfering or rounding carried out to the intersection of adjacent side, and adopt milling cutter vertical with bearing pin but disjoint mode directly to reach the object that described changeover portion two and the non-maximum outside diameter place of the appearance profile of described bearing pin head adopt the transient mode of rounding again;
Step 15, processes described thread section two, described cylindrical body and described changeover portion one and described changeover portion two, comprises changeover portion two and threading described in changeover portion one, car described in cylindrical body described in car, car;
Wherein described in car, described in cylindrical body, car, the processing sequence of changeover portion described in changeover portion one, car can suitably adjust as required;
Step 16, carries out chamfering or rounding process to the end of described cylindrical disconnected section;
Step 17, carries out fine finishing to described cylindrical cylindrical, to ensure that its surface roughness reaches usage requirement;
Illustrate, in a step 11, the material manufacturing multiple bearing pin can being connected together, again each being separated close to completing bearing pin after experience step 12 to step 17, thus realize once can processing multiple bearing pin, raise the efficiency;
Wherein, the making method of axis pin base, comprises the following steps:
Step 21, axis pin base blank is processed, if having the needs of high strength to axis pin base, then carries out corresponding quenching with Subsequent tempering; If there is no high requirement, then do not carry out quenching with Subsequent tempering;
Step 22, boring, bores described pin shaft hole and comprises the first time bottom outlet to described thread section one and described circular hole place, and to the chamfering deburring of each exposed section, hole;
Step 23, reaming, the bottom outlet of thread section one described in counterboring axial counterboring put in place;
Step 24, again reaming, circular hole described in counterboring axial counterboring put in place;
Step 25, fraising, comprises articulation pin shaft hole and circular hole, and circular hole articulation axially puts in place but can not damage described conical ring hole two, and the technique guard space of reserved about 0.5mm between the maximum distance of circular hole when articulation and conical ring hole two;
Step 26, tapping, comprises double thread section one and carries out screw thread process;
Step 27, cleans each hole and thread section one and does antirust treatment.
10. an engineering machinery, comprises pinned connection assembly, it is characterized in that, the pinned connection assembly of described pinned connection according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506733.7A CN105041813B (en) | 2014-01-19 | 2014-01-19 | Bearing pin coupling assembly, preparation method, engineering machinery |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022066.0A CN103711777B (en) | 2014-01-19 | 2014-01-19 | Bearing pin connects assembly, manufacture method, engineering machinery |
| CN201510506733.7A CN105041813B (en) | 2014-01-19 | 2014-01-19 | Bearing pin coupling assembly, preparation method, engineering machinery |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410022066.0A Division CN103711777B (en) | 2014-01-19 | 2014-01-19 | Bearing pin connects assembly, manufacture method, engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105041813A true CN105041813A (en) | 2015-11-11 |
| CN105041813B CN105041813B (en) | 2017-03-15 |
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Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610667487.8A Withdrawn CN106194949A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, bearing pin connect assembly, the manufacture method of bearing pin connection assembly |
| CN201610508457.2A Withdrawn CN105889254A (en) | 2014-01-19 | 2014-01-19 | Pin shaft seat, manufacturing method of pin shaft seat, pin shaft connecting assembly and engineering machinery |
| CN201610532858.1A Withdrawn CN106089896A (en) | 2014-01-19 | 2014-01-19 | Bearing pin, the manufacture method of bearing pin, bearing pin connect assembly and engineering machinery |
| CN201610667548.0A Withdrawn CN106151202A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, rigid connection structure, bearing pin connect assembly and preparation method thereof |
| CN201610667523.0A Withdrawn CN106015241A (en) | 2014-01-19 | 2014-01-19 | Engineering machine, pin shaft connection assembly and manufacturing method of pin shaft connection assembly |
| CN201610667538.7A Withdrawn CN106050857A (en) | 2014-01-19 | 2014-01-19 | Pin shaft connecting module, manufacturing method of pin shaft connecting module and engineering machinery |
| CN201610532820.4A Withdrawn CN106151201A (en) | 2014-01-19 | 2014-01-19 | A kind of bearing pin, the manufacture method of bearing pin, bearing pin connect assembly and engineering machinery |
| CN201510506733.7A Active CN105041813B (en) | 2014-01-19 | 2014-01-19 | Bearing pin coupling assembly, preparation method, engineering machinery |
| CN201410022066.0A Active CN103711777B (en) | 2014-01-19 | 2014-01-19 | Bearing pin connects assembly, manufacture method, engineering machinery |
| CN201610502050.9A Pending CN106151222A (en) | 2014-01-19 | 2014-01-19 | A kind of engineering machinery, bearing pin connect assembly, axis pin base and preparation method thereof |
| CN201610503542.XA Active CN106089895B (en) | 2014-01-19 | 2014-01-19 | A kind of axis pin base and preparation method thereof, axis pin connection component, engineering machinery |
| CN201610492541.XA Pending CN106122210A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, bearing pin connect assembly and axis pin base, the manufacture method of axis pin base |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610667487.8A Withdrawn CN106194949A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, bearing pin connect assembly, the manufacture method of bearing pin connection assembly |
| CN201610508457.2A Withdrawn CN105889254A (en) | 2014-01-19 | 2014-01-19 | Pin shaft seat, manufacturing method of pin shaft seat, pin shaft connecting assembly and engineering machinery |
| CN201610532858.1A Withdrawn CN106089896A (en) | 2014-01-19 | 2014-01-19 | Bearing pin, the manufacture method of bearing pin, bearing pin connect assembly and engineering machinery |
| CN201610667548.0A Withdrawn CN106151202A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, rigid connection structure, bearing pin connect assembly and preparation method thereof |
| CN201610667523.0A Withdrawn CN106015241A (en) | 2014-01-19 | 2014-01-19 | Engineering machine, pin shaft connection assembly and manufacturing method of pin shaft connection assembly |
| CN201610667538.7A Withdrawn CN106050857A (en) | 2014-01-19 | 2014-01-19 | Pin shaft connecting module, manufacturing method of pin shaft connecting module and engineering machinery |
| CN201610532820.4A Withdrawn CN106151201A (en) | 2014-01-19 | 2014-01-19 | A kind of bearing pin, the manufacture method of bearing pin, bearing pin connect assembly and engineering machinery |
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| CN201410022066.0A Active CN103711777B (en) | 2014-01-19 | 2014-01-19 | Bearing pin connects assembly, manufacture method, engineering machinery |
| CN201610502050.9A Pending CN106151222A (en) | 2014-01-19 | 2014-01-19 | A kind of engineering machinery, bearing pin connect assembly, axis pin base and preparation method thereof |
| CN201610503542.XA Active CN106089895B (en) | 2014-01-19 | 2014-01-19 | A kind of axis pin base and preparation method thereof, axis pin connection component, engineering machinery |
| CN201610492541.XA Pending CN106122210A (en) | 2014-01-19 | 2014-01-19 | Engineering machinery, bearing pin connect assembly and axis pin base, the manufacture method of axis pin base |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443787A (en) * | 2014-10-31 | 2015-03-25 | 巢湖广丰金属制品有限公司 | Adjustable sheet metal part fixing mechanism |
| CN105952744A (en) * | 2016-06-29 | 2016-09-21 | 中国地质大学（武汉） | Elastic connector for belt type faceted stone row grinder |
| CN108326153A (en) * | 2018-03-27 | 2018-07-27 | 斯沃博达汽车电子（昆山）有限公司 | Produce the pin anti-drop structure of auto parts mold |
| CN108857295B (en) * | 2018-09-18 | 2020-04-14 | 昆山龙成鑫金属制品有限公司 | Compression-resistant automobile hinge pin shaft and manufacturing process thereof |
| CN110080327A (en) * | 2019-05-24 | 2019-08-02 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading machine pin shaft structure |
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- 2014-01-19 CN CN201610508457.2A patent/CN105889254A/en not_active Withdrawn
- 2014-01-19 CN CN201610532858.1A patent/CN106089896A/en not_active Withdrawn
- 2014-01-19 CN CN201610667548.0A patent/CN106151202A/en not_active Withdrawn
- 2014-01-19 CN CN201610667523.0A patent/CN106015241A/en not_active Withdrawn
- 2014-01-19 CN CN201610667538.7A patent/CN106050857A/en not_active Withdrawn
- 2014-01-19 CN CN201610532820.4A patent/CN106151201A/en not_active Withdrawn
- 2014-01-19 CN CN201510506733.7A patent/CN105041813B/en active Active
- 2014-01-19 CN CN201410022066.0A patent/CN103711777B/en active Active
- 2014-01-19 CN CN201610502050.9A patent/CN106151222A/en active Pending
- 2014-01-19 CN CN201610503542.XA patent/CN106089895B/en active Active
- 2014-01-19 CN CN201610492541.XA patent/CN106122210A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106151201A (en) | 2016-11-23 |
| CN105041813B (en) | 2017-03-15 |
| CN106151202A (en) | 2016-11-23 |
| CN106089895B (en) | 2018-05-25 |
| CN106089895A (en) | 2016-11-09 |
| CN106194949A (en) | 2016-12-07 |
| CN106122210A (en) | 2016-11-16 |
| CN106151222A (en) | 2016-11-23 |
| CN105889254A (en) | 2016-08-24 |
| CN106015241A (en) | 2016-10-12 |
| CN103711777A (en) | 2014-04-09 |
| CN106089896A (en) | 2016-11-09 |
| CN103711777B (en) | 2016-08-03 |
| CN106050857A (en) | 2016-10-26 |
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Address after: 410100 Hunan province Changsha Panpan Changsha economic and Technological Development Zone, Road No. 6 Applicant after: Fang Yifei Address before: 410100 Changsha Province Economic and Technological Development Zone, Changsha, No. 99 Tong Tong Road, Hunan Applicant before: Fang Yifei |
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Effective date of registration: 20180530 Address after: 214500 south of north two ring road, Jingjiang North Economic Development Zone, Taizhou, Jiangsu Patentee after: JINGJIANG CHANGYUAN HYDRAULIC MACHINERY Co.,Ltd. Address before: 410100 No. 6 Pan Pan Road, Changsha economic and Technological Development Zone, Changsha, Hunan Patentee before: Fang Yifei |
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