CN203641217U - Pin connecting component and engineering machinery - Google Patents

Pin connecting component and engineering machinery Download PDF

Info

Publication number
CN203641217U
CN203641217U CN201420030307.1U CN201420030307U CN203641217U CN 203641217 U CN203641217 U CN 203641217U CN 201420030307 U CN201420030307 U CN 201420030307U CN 203641217 U CN203641217 U CN 203641217U
Authority
CN
China
Prior art keywords
bearing pin
thread section
diameter
hole
connection part
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.)
Withdrawn - After Issue
Application number
CN201420030307.1U
Other languages
Chinese (zh)
Inventor
方义飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201420030307.1U priority Critical patent/CN203641217U/en
Application granted granted Critical
Publication of CN203641217U publication Critical patent/CN203641217U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model discloses a pin connecting component comprising a pin seat. The pin connecting component is characterized in that the pin seat is provided with a pin hole used for mounting an adaptive pin, one end of the pin hole is provided with a first screwed segment, and the other end of the first screwed segment is provided with a round hole; a first cone ring hole is formed between the pin hole and the first screwed segment, and a second cone ring hole is formed between the round hole and the first screwed segment. The pin seat is simple in structure, occupied axial space is short, reliability of connection is high, processing and manufacturing are simple, and accordingly the performance of an engineering machinery adopting the pin connecting component can be improved. Furthermore, the utility model provides a pin connecting component based on the pin seat. In addition, the utility model provides a manufacturing method of the pin seat, the processing procedure of the pin seat by the manufacturing method is simple, large-scale production can be realized, and production cost can be reduced.

Description

Bearing pin connection part, engineering machinery
Technical field
The utility model relates to bearing pin interconnection technique field, relates to particularly a kind of bearing pin connection part.In addition, the utility model also relates to a kind of making method of this bearing pin connection part.In addition, the utility model also relates to the engineering machinery of this bearing pin connection part of a kind of application.The utility model is mainly developed for location, is to be generally used in the location of axle, rod member or other component, in being generally used in and being rigidly connected.Therefore, describing the utility model about this purposes is easily, but should be appreciated that, the utility model can be used in axle, rod member or other component hinged, in can being used to flexibly connect.
Background technique
It is quite extensive that bearing pin is connected to mechanical field use, as alignment pin has all been used 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 connecting between vehicle frame and vehicle frame, vehicle frame and equipment, the connection that equipment individual components is mutual, all used hinging pin shaft.But, the design standard that pin shaft structure is ununified, in the time of the actual design of pin shaft structure, different type, designer, the pin shaft structure designing varies, and using effect is not very good yet.
At present, in locating stud, straight pin or taper pin in use can be due to the effect phenomenons of deviating from of vibration repeatedly, especially in dismounting, need to use a less bearing pin from its one end, locating stud to be up to, now be easy to original positioning pin hole to cause damage compared with small clevis pin with head, thereby affect locating effect.
And for example conventional bearing pin, one end major part the other end relies on cotter pin to lock conventionally, not only exist cotter pin to damage and cause out of stock possibility, and the necessary protrudent pin axle bed in bearing pin two ends, thereby space that need to be more roomy than axis pin base, make bearing pin joint need larger space, cause and use the engineering machinery of pin shaft connection structure just to need larger spatial structure, thereby the related components huge structure that has caused engineering machinery, larger inhibition has been played in the raising of the performance to engineering machinery.
Therefore, how to improve and optimize the structure of bearing pin connection part, improve the reliability of bearing pin connection part, and to reduce that it takes up space be the important technological problems that those skilled in the art need to solve at present.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing pin connection part, and this bearing pin connecting component structure is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.
Second object of the present utility model is to provide a kind of making method based on above-mentioned bearing pin connection part.
The 3rd object of the present utility model is to provide a kind of engineering machinery of applying above-mentioned bearing pin connection part.
For realizing above-mentioned first object, the utility model provides a kind of bearing pin connection part, comprises bearing pin pedestal, and described bearing pin pedestal is provided with the pin shaft hole for the bearing pin adapting is installed, and in described pin shaft hole, bearing pin is installed, 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, between described pin shaft hole and described thread section one, is provided with conical ring hole one, between described thread section one and described circular hole, is provided with conical ring hole two;
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, between described cylindrical body and described thread section two, is provided with changeover portion one, between described thread section two and described bearing pin head, is provided with changeover portion two;
Wherein, described thread section one and described thread section two are the screw thread mutually matching.
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 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 large nose end in described conical ring hole two is identical with the size of the diameter of described circular hole.
Preferably, on described axis pin base, there is mounting hole or groove for corresponding part is installed, and described pin shaft hole is distributed in the both sides of described mounting hole or groove.
Preferably, the screw thread employing V thread screw on described thread section one 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 the non-maximum outside diameter place of the appearance profile of described changeover portion two and described bearing pin head adopts the transient mode of rounding again.
Preferably, the screw thread employing V thread screw on described thread section two or square threaded form, trapezoidal thread, buttress thread form, also can adopt other special shape screw thread.
For realizing above-mentioned second object, the utility model provides a kind of making method based on above-mentioned bearing pin connection part, comprises the making method of bearing pin and axis pin base, and 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, comprises the first car of the appearance profile to each section of bearing pin, and leaves 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 the intersection of adjacent side is carried out to chamfering or rounding, and adopting milling cutter but disjoint mode vertical with bearing pin again to adopt the object of the transient mode of rounding directly to reach the non-maximum outside diameter place of appearance profile of described changeover portion two and described bearing pin head;
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 described in cylindrical body described in car, car, car.Wherein described in car described in cylindrical body, car described in changeover portion one, car the processing sequence of changeover portion can suitably adjust as required;
Step 16, carries out chamfering or rounding processing to the end of described cylindrical disconnected section;
Step 17, carries out fine finishing to described cylindrical cylindrical, to guarantee that its surface roughness reaches usage requirement;
Illustrate, in step 11, can connect together manufacturing the material of multiple bearing pins, separate to again each having been approached to bearing pin after step 17 in experience step 12, thereby realization once can be processed multiple bearing pins, raises the efficiency.
Wherein, the making method of axis pin base, comprises the following steps:
Step 21, the processing of axis pin base blank, if axis pin base is had to high-intensity needs, carries out corresponding quenching with Subsequent tempering; If there is no high requirement, do not carry out quenching with Subsequent tempering;
Step 22, boring, bores described pin shaft hole and comprises the bottom outlet for the first time to described thread section one and described circular hole place, and to the chamfering deburring of each exposed section, hole;
Step 23, reaming, described in counterboring the bottom outlet of thread section one and axially counterboring put in place;
Step 24, reaming again, described in counterboring circular hole and axially counterboring put in place;
Step 25, fraising, comprises articulation pin shaft hole and circular hole, circular hole articulation axially puts in place but can not damage described conical ring hole two, and the technique guard space about reserved 0.5mm between the maximum distance of circular hole in the time of articulation and conical ring hole two;
Step 26, tapping, comprises that double thread section one carries out screw thread processing;
Step 27, cleans and does antirust processing to each hole and thread section one;
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 3rd object of the utility model, for a kind of engineering machinery is provided, comprises bearing pin connection part, and described bearing pin is connected to the bearing pin connection part described in above-mentioned arbitrary technological scheme.
Compared with prior art, the utility model provides bearing pin connection part, comprise bearing pin pedestal, described bearing pin pedestal is provided with the pin shaft hole for the bearing pin adapting is installed, and in described pin shaft hole, bearing pin is installed, 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, between described pin shaft hole and described thread section one, is provided with conical ring hole one, between described thread section one and described circular hole, is provided with conical ring hole two; 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, between described cylindrical body and described thread section two, is provided with changeover portion one, between described thread section two and described bearing pin head, is provided with changeover portion two; Wherein, described thread section one and described thread section two are the screw thread mutually matching.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, thereby contributes to improve the performance of the engineering machinery that uses it.A kind of making method course of working based on above-mentioned bearing pin connection part that the utility model provides is simple, can realize mass production, is conducive to reduce production costs.The engineering machinery of what the utility model provided have above-mentioned bearing pin connection part 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 utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The assembly structure schematic diagram of the bearing pin connection part that Fig. 1 provides for a kind of specific embodiment of the utility model.
Fig. 2 is the assembly structure schematic diagram of the bearing pin that in the utility model, a kind of specific embodiment provides.
Fig. 3 is that A in Fig. 2 is to view.
Fig. 4 is the sectional view intercepting along the BB in Fig. 3.
The A that Fig. 5 is the assembly structure schematic diagram of the bearing pin that in the utility model, the second specific embodiment provides is to view.
Fig. 6 is the structural representation of the axis pin base that in the utility model, the third specific embodiment provides.
Fig. 7 is the structural representation of the 4th kind of axis pin base that specific embodiment provides in the utility model.
The assembly structure schematic diagram of the bearing pin connection part that Fig. 8 provides for the 4th kind of specific embodiment of the utility model.
Embodiment
The purpose of this utility model is to provide a kind of bearing pin connection part, and this bearing pin connecting component structure is simple, and axial occupation space is short, and the reliability of connection is high, and processing and fabricating is simple, thereby contributes to improve the performance of the engineering machinery that uses it.Second object of the present utility model is to provide a kind of making method based on above-mentioned bearing pin connection part.The 3rd object of the present utility model is to provide a kind of engineering machinery of applying above-mentioned bearing pin connection part.
In order to make those skilled in the art person understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application 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 bearing pin connection part that Fig. 1 provides for a kind of specific embodiment of the utility model; Fig. 2 is the assembly structure schematic diagram of the bearing pin that in the utility model, a kind of specific embodiment provides; Fig. 3 is that A in Fig. 2 is to view; Fig. 4 is the sectional view intercepting along the BB in Fig. 3; The A that Fig. 5 is the assembly structure schematic diagram of the bearing pin that in the utility model, the second specific embodiment provides is to view; Fig. 6 is the structural representation of the axis pin base that in the utility model, the third specific embodiment provides.
In a kind of specific embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 6, a kind of bearing pin connection part that the utility model provides, 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 the bearing pin adapting is installed, and the cylindrical body 11 of bearing pin 1 is installed 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, between pin shaft hole 21 and thread section 1, is provided with conical ring hole 1, between thread section 1 and circular hole 25, is provided with conical ring hole 2 24; 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, between cylindrical body 11 and thread section 2 13, is provided with changeover portion 1, between thread section 2 13 and bearing pin head 15, is provided with changeover portion 2 14.Wherein, thread section 1 and thread section 2 13 are the screw thread mutually matching.Like this, not only make this bearing pin connection part reach default object, and be convenient to processing.
When work, as shown in Figure 1, the bearing pin 1 adapting with it is installed on axis pin base 2, by the cylindrical body 11 of bearing pin 1, component 3 is positioned.Further, shown in Fig. 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 2 13 of thread sections are arranged in thread section 1, and corresponding bearing pin head 15 also packs in circular hole 25.Apparently, this structure can be on the lid of docking and pedestal, and now, lid and pedestal are respectively axis pin base 2 or component 3, and the relativeness of the two can be exchanged, lid can be made as component 3, pedestal is made as axis pin base 2 or lid is made as axis pin base 2, pedestal is made as 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, can also do further improvement.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 this axis pin base reach initial object, and be convenient to processing.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.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, the non-maximum outside diameter place of the appearance profile of changeover portion 2 14 and bearing pin head 15 adopts the transient mode of rounding again.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.Particularly, as shown in Figure 3, the diameter of the cylinder at the intersection line place that the square spigot of bearing pin head 15 is adjacent each 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 bearing pin head 15 each adjacent side can be greater than the path of changeover portion 2 14, now suitably chamfering is carried out in the intersection of bearing pin head 15 each adjacent side, can make the path of changeover portion 2 14 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 that the square spigot of bearing pin head 15 is adjacent each can also suitably be less than the path of changeover portion 2 14.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.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 mutually matching.
On the basis of above-mentioned arbitrary technological scheme, can also do further improvement.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 utility model; The assembly structure schematic diagram of the bearing pin connection part that Fig. 8 provides for the 4th kind of specific embodiment of the utility model.
Concrete, as shown in Figure 7, pin shaft hole 21 is distributed on two journal stirrups of bearing pin pedestal 2, is that pin shaft hole 21 is distributed in the both sides of described mounting groove for the mounting groove of corresponding component 3 is installed therebetween.In the unshowned embodiment of one, described mounting groove also can be 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 utility model does not do any restriction to the specific constructive form of this mounting hole or groove.In addition, also can be used for installing corresponding component 3 by the mode in grooving or hole on bearing pin pedestal 2.
Wherein, in above-mentioned arbitrary technological scheme, cylindrical body 11 can be arranged on its one end or two ends in the pin shaft hole 21 of axis pin base 2 as required.
Second object of the utility model is to provide a kind of making method based on above-mentioned bearing pin connection part, 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, and 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, comprises the first car of the appearance profile to each section of bearing pin, and leaves 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 the intersection of adjacent side is carried out to chamfering or rounding, and adopting milling cutter but disjoint mode vertical with bearing pin again to adopt the object of the transient mode of rounding directly to reach the non-maximum outside diameter place of appearance profile of described changeover portion two and described bearing pin head.
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 described in cylindrical body described in car, car, car.Wherein described in car described in cylindrical body, car described in changeover portion one, car the processing sequence of changeover portion can suitably adjust as required.
Step 16, carries out chamfering or rounding processing to the end of described cylindrical disconnected section.
Step 17, carries out fine finishing to described cylindrical cylindrical, to guarantee that its surface roughness reaches usage requirement.
Illustrate, in step 11, can connect together manufacturing the material of multiple bearing pins, separate to again each having been approached to bearing pin after step 17 in experience step 12, thereby realization once can be processed multiple bearing pins, raises the efficiency.
Wherein, the making method of axis pin base, comprises the following steps:
Step 21, the processing of axis pin base blank, if axis pin base is had to high-intensity needs, carries out corresponding quenching with Subsequent tempering; If there is no high requirement, do not carry out quenching with Subsequent tempering.
Step 22, boring, bores described pin shaft hole and comprises the bottom outlet for the first time to described thread section one and described circular hole place, and to the chamfering deburring of each exposed section, hole.
Step 23, reaming, described in counterboring the bottom outlet of thread section one and axially counterboring put in place.
Step 24, reaming again, described in counterboring circular hole and axially counterboring put in place.
Step 25, fraising, comprises articulation pin shaft hole and circular hole, circular hole articulation axially puts in place but can not damage described conical ring hole two, and the technique guard space about reserved 0.5mm between the maximum distance of circular hole in the time of articulation and conical ring hole two.
Step 26, tapping, comprises that double thread section one carries out screw thread processing.
Step 27, cleans and does antirust processing to each hole and thread section one.
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 3rd object of the utility model is to provide a kind of engineering machinery, comprises bearing pin connection part, and described bearing pin is connected to the bearing pin connection part described in above-mentioned arbitrary technological scheme, and the other parts of this project machinery can, with reference to prior art, no longer be launched herein.
It should be noted that, those skilled in the art can comparatively simply not understand or this making method of comprehension with reference to any accompanying drawing completely in the time of the making method with reference to this bearing pin connection part.Therefore, the accompanying drawing of this part is not provided in the utility model.
Compared with prior art, the utility model provides bearing pin connection part, comprise bearing pin pedestal, described bearing pin pedestal is provided with the pin shaft hole for the bearing pin adapting is installed, and in described pin shaft hole, bearing pin is installed, 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, between described pin shaft hole and described thread section one, is provided with conical ring hole one, between described thread section one and described circular hole, is provided with conical ring hole two; 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, between described cylindrical body and described thread section two, is provided with changeover portion one, between described thread section two and described bearing pin head, is provided with changeover portion two; Wherein, described thread section one and described thread section two are the screw thread mutually matching.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, thereby contributes to improve the performance of the engineering machinery that uses it.A kind of making method course of working based on above-mentioned bearing pin connection part that the utility model provides is simple, can realize mass production, is conducive to reduce production costs.The engineering machinery of what the utility model provided have above-mentioned bearing pin connection part has whole technical advantages of above-mentioned bearing pin, is not repeated herein.
Above bearing pin connection part provided by the utility model, making method, engineering machinery are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims (10)

1. a bearing pin connection part, comprises bearing pin pedestal, and described bearing pin pedestal is provided with the pin shaft hole for the bearing pin adapting is installed, and in described pin shaft hole, bearing pin is installed, 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, between described pin shaft hole and described thread section one, is provided with conical ring hole one, between described thread section one and described circular hole, is provided with conical ring hole two;
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, between described cylindrical body and described thread section two, is provided with changeover portion one, between described thread section two and described bearing pin head, is provided with changeover portion two;
Wherein, described thread section one and described thread section two are the screw thread mutually matching.
2. a kind of bearing pin connection part 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 bearing pin connection part 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 bearing pin connection part 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 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 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 bearing pin connection part 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 bearing pin connection part according to claim 1, is characterized in that, have mounting hole or groove for corresponding part is installed, and described pin shaft hole is distributed in the both sides of described mounting hole or groove on described axis pin base.
7. a kind of bearing pin connection part 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, and described changeover portion two adopts the form of arc transition to connect described bearing pin head and described thread section two.
8. a kind of bearing pin connection part according to claim 7, it is characterized in that, 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 the non-maximum outside diameter place of the appearance profile of described changeover portion two and described bearing pin head adopts the transient mode of rounding again.
9. a kind of bearing pin connection part according to claim 1, it is characterized in that, screw thread employing V thread screw on described thread section one and thread section two 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.
10. an engineering machinery, comprises bearing pin connection part, it is characterized in that, described bearing pin is connected to the bearing pin connection part described in any one in claim 1 to 9.
CN201420030307.1U 2014-01-19 2014-01-19 Pin connecting component and engineering machinery Withdrawn - After Issue CN203641217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420030307.1U CN203641217U (en) 2014-01-19 2014-01-19 Pin connecting component and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420030307.1U CN203641217U (en) 2014-01-19 2014-01-19 Pin connecting component and engineering machinery

Publications (1)

Publication Number Publication Date
CN203641217U true CN203641217U (en) 2014-06-11

Family

ID=50872465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420030307.1U Withdrawn - After Issue CN203641217U (en) 2014-01-19 2014-01-19 Pin connecting component and engineering machinery

Country Status (1)

Country Link
CN (1) CN203641217U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711777A (en) * 2014-01-19 2014-04-09 方义飞 Pin shaft connecting assembly, manufacturing method and engineering machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711777A (en) * 2014-01-19 2014-04-09 方义飞 Pin shaft connecting assembly, manufacturing method and engineering machine

Similar Documents

Publication Publication Date Title
CN103711779A (en) Pin shaft connecting assembly, pin shaft thereof and manufacturing method of pin shaft
CN103711777A (en) Pin shaft connecting assembly, manufacturing method and engineering machine
CN203641217U (en) Pin connecting component and engineering machinery
CN207033922U (en) Quarry tipper tapered expansion pin
CN203641216U (en) Pin connecting assembly and pin thereof
CN203641218U (en) Pin connecting assembly and pin seat thereof
CN105290746A (en) Car swing arm shaft processing process
CN103711778A (en) Pin shaft connecting assembly, pin shaft seat thereof and manufacturing method of pin shaft seat
CN203664857U (en) Special fixture for machining spline gear
CN203578786U (en) Heavy horizontal lathe tailstock tip, and sleeking and drilling device
CN205064557U (en) Modular eccentric shaft
CN208592623U (en) A kind of transition connecting disc in mechanical clamp
CN205078594U (en) Multidirectional changeover contact axle
CN103758457B (en) A kind of combination rock bit
CN203664863U (en) Special fixture for machining inner-bore spline gear
CN105387061A (en) Stepped hollow shaft
CN205677966U (en) Axle
CN104747558A (en) Micro step hole structure
CN105773080A (en) Method for machining concave hole in forging part and golf ball head with method
CN105422651A (en) Shaft connecting structure
CN105422625A (en) Shaft sleeve structure
CN105134808A (en) Shaft sleeve and plate combination structure
CN103511435A (en) Irregular-shaped nut

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140611

Effective date of abandoning: 20160803

C25 Abandonment of patent right or utility model to avoid double patenting