CN203272604U - Pin shaft assembly of engine transmission chain for ship - Google Patents
Pin shaft assembly of engine transmission chain for ship Download PDFInfo
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- CN203272604U CN203272604U CN 201320313777 CN201320313777U CN203272604U CN 203272604 U CN203272604 U CN 203272604U CN 201320313777 CN201320313777 CN 201320313777 CN 201320313777 U CN201320313777 U CN 201320313777U CN 203272604 U CN203272604 U CN 203272604U
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Abstract
The utility model belongs to the technical field of engines for ships, and particularly relates to a pin shaft assembly of an engine transmission chain for a ship. The technical problems that in the prior art, design is not reasonable, and service life is short are solved. The pin shaft assembly of the engine transmission chain for the ship comprises a pin shaft. A bush which can rotate relative to the pin shaft is arranged on the pin shaft in a sleeved mode. A roller which can rotate relative to the bush is arranged on the bush in a sleeved mode. Outer chain plate mounting zones are arranged at the two ends of the pin shaft respectively. Inner chain plate mounting zones are arranged at the two ends of the bush respectively. A first inner circulation capillary oil storage structure which can form an oil film between the contacting faces of the bush and the pin shaft when the bush rotates relative to the pin shaft is arranged on the inner wall of the bush. A second inner circulation capillary oil storage structure which can form an oil film between the contacting faces of the roller and the bush when the roller rotates relative to the bush is arranged on the inner wall of the roller. Compared with the prior art, the pin shaft assembly has the advantages of being good in self-lubricating effect, lubricating oil cannot leak easily, operation is easy, and machining cost is low.
Description
Technical field
The utility model belongs to the marine engine technical field, especially relates to a kind of Assembly of pin of marine engine Transmitted chains.
Background technique
Motor is the major impetus that ship advances, and it has, and the thermal efficiency is high, good economy performance and the advantage such as starting is easy, is widely used at present.mostly the output of the power of motor generally is to export by Transmitted chains, Transmitted chains is assembled by some pitch chain joints, mostly this chain link generally is to comprise inner plate, outer plate, bearing pin, lining and roller, roller sleeve is on lining, lining is enclosed within on bearing pin, traditional chain link its between roller and lining, be added with respectively lubricant oil between lining and bearing pin, it can prevent from wearing and tearing between roller and lining, and the wearing and tearing between lining and bearing pin, this scheme can satisfy usage requirement to a certain extent, but the Transmitted chains of this structure is after long-time the use, due to the oil storage poor-performing, cause lubrication effect undesirable, easily produce stuck or locking phenomenon, shortened the working life of Transmitted chains, but also can produce larger noise, in addition, cause friction factor to become large because lubrication effect is poor, shortened the working life of Transmitted chains, secondly, get rusty easily, destroy the normal use of Transmitted chains, in addition, the Transmitted chains of this structure needs regular maintenance, has virtually increased user cost.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of oil-free chain [application number: 97207026.5], consisted of the chain link of chain by connection carrier bar, bearing pin, roller etc., bearing pin injects in roller, in the both sides of roller, the connection carrier bar is housed, it is characterized in that roller is built-in with a sleeve, the heterogeneous lubriation material of one deck is set between sleeve and roller.In addition, Chinese patent literature discloses a kind of stagnant oil film covering chain [application number: 97240678.6], mainly is comprised of pin, pin carrier bar, lining, roller and roller link plates.Feature is to be abound with on the inside and outside circumference of lining and roller to be provided with stagnant oilhole.Also have, Chinese patent literature also discloses a kind of chain [application number: 200420081887.3], is comprised of chain section.Chain link divides interior outer plate, bearing pin, sleeve and cylinder.Be shaped with the composite self-lubricating layer on said sleeve and cylinder.
Above-mentioned several schemes are to be all to have improved to a certain extent existing Transmitted chains oil storage poor-performing, the problems such as lubrication effect is relatively poor, but several schemes of above-mentioned this all fail fundamentally to solve existing Transmitted chains oil storage poor-performing, lubrication effect is relatively poor, and the problems such as leakage of oil cause the friction factor between each component larger, greatly shortened the working life of Transmitted chains, but also get rusty easily, cause satisfying usage requirement, be difficult for being applied.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of design more reasonable, certainly moistens effectively, and lubricant oil be difficult for to be revealed, the Assembly of pin of the marine engine Transmitted chains of long service life.
for achieving the above object, the utility model has adopted following technical proposal: the Assembly of pin of this marine engine Transmitted chains comprises bearing pin, cover has the lining that can rotate to it on bearing pin, cover has the roller that can rotate to it on lining, the two ends of described bearing pin are respectively equipped with the outer plate installing zone, described lining two ends are respectively equipped with the inner plate installing zone, it is characterized in that, described lining inwall is provided with the first interior circulation capillary oil-bearing structure that forms oil film between the surface of contact that can make this lining and bearing pin when lining when bearing pin rotates, described roller inwall is provided with the second interior circulation capillary oil-bearing structure that forms oil film between the surface of contact that can make this roller and lining when roller when lining rotates, the hardness at described bearing pin two ends is less than the hardness at bearing pin middle part, the hardness of the hardness of described bearing pin outer wall and lining inwall adapts, the hardness of described roller is less than the hardness of lining outer wall.
Obviously, the of the present utility model first interior circulation capillary oil-bearing structure and the second interior circulation capillary oil-bearing structure have the function of oil storage, can fundamentally solve existing Transmitted chains oil storage poor-performing, lubrication effect is relatively poor, the problems such as leakage of oil, thereby reduce friction factor, virtually extend the working life of Transmitted chains, meet the trend of current social technical development.On the other hand, due to the hardness at the bearing pin two ends hardness less than the bearing pin middle part, therefore be convenient to rivet; Because the hardness of bearing pin outer wall and the hardness of lining inwall adapt, even if therefore bearing pin and the mutual friction of lining phase, wearing and tearing between the two are also less; Due to the hardness of the roller hardness less than the lining outer wall, when Transmitted chains work was particularly turned, roller can play effective protection to lining, avoids lining to be worn.Obviously, the collocation of above-mentioned different hardness has extended working life of Transmitted chains effectively.Hardness in the utility model adapts and refers to that hardness equates or difference in hardness is less.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, the described first interior circulation capillary oil-bearing structure comprises the first right-handed screw groove that is distributed on the lining inwall and is arranged in parallel and the first backpitch groove that is distributed on the lining inwall and is arranged in parallel, described the first right-handed screw groove and the first backpitch groove are mutually arranged in a crossed manner, and the first right-handed screw groove and the first backpitch groove join end to end; The described second interior circulation capillary oil-bearing structure comprises the second right-handed screw groove that is distributed on the roller inwall and is arranged in parallel and the second backpitch groove that is distributed on the roller inwall and is arranged in parallel, described the second right-handed screw groove and the second backpitch groove are mutually arranged in a crossed manner, and the second right-handed screw groove and the second backpitch groove join end to end.This structure is easily made, and in addition, its oil storage is effective, and lubricant oil is difficult for leakage and causes intact lubrication effect.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, described lining both ends of the surface inboards is respectively equipped with the first circular groove that is positioned at the lining inwall, and described the first right-handed screw groove and the first backpitch groove all are connected with described the first circular groove; Described roller both ends of the surface inboard is respectively equipped with the second circular groove that is positioned at the roller inwall, and described the second right-handed screw groove and the second backpitch groove all are connected with described the second circular groove.Obviously, the first circular groove has oil storage and prevents that lubricant oil from spilling outside the both ends of the surface of lining outward, it also has the effect for the deposition dirt, and the second circular groove has oil storage and prevents that lubricant oil from spilling outside the both ends of the surface of roller outward, and it also has the effect for the deposition dirt.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, the groove depth of each the first circular groove and groove width be respectively greater than groove depth and the groove width of described the first right-handed screw groove, and the groove depth of each the first circular groove and groove width are respectively greater than groove depth and the groove width of described the first backpitch groove; The groove depth of each the second circular groove and groove width be respectively greater than groove depth and the groove width of described the second right-handed screw groove, and the groove depth of each the second circular groove and groove width are respectively greater than groove depth and the groove width of described the second backpitch groove.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, the groove depth of described the first right-handed screw groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first right-handed screw groove is 0.002mm～0.2mm; The groove depth of described the first backpitch groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first backpitch groove is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality; The groove depth of described the second right-handed screw groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second right-handed screw groove is 0.002mm～0.2mm; The groove depth of described the second backpitch groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second backpitch groove is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, the infall of the first right-handed screw groove and the first backpitch groove is provided with the first oil storage micropore that radially extends; The infall of described the second right-handed screw groove and the second backpitch groove is provided with the second oil storage micropore that radially extends.Further increase oil reserve.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, described excircle of bushing surface is provided with the 3rd capillary oil-bearing structure; Described the 3rd capillary oil-bearing structure comprises and is distributed on the excircle of bushing surface and the 3rd right-handed screw groove that is arranged in parallel and be distributed on the excircle of bushing surface and the 3rd backpitch groove that is arranged in parallel, described the 3rd right-handed screw groove and the 3rd backpitch groove are mutually arranged in a crossed manner, and the 3rd right-handed screw groove and the 3rd backpitch groove join end to end, be respectively equipped with the 3rd circular groove that is positioned at described excircle of bushing surface outside the lining both ends of the surface, described the 3rd right-handed screw groove and the 3rd backpitch groove all are connected with described the 3rd circular groove.This structure has oil storage function equally, can further play a part to provide lubricant oil.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, the groove depth of described the 3rd right-handed screw groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd right-handed screw groove is 0.002mm～0.2mm; The groove depth of described the 3rd backpitch groove is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd backpitch groove is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality.
In the Assembly of pin of above-mentioned marine engine Transmitted chains, described lining inwall is provided with the 4th circular groove, and the 4th circular groove is positioned at the middle part of lining; Be provided with the 5th circular groove on the roller inwall, and the 5th circular groove is positioned at the middle part of roller, described Fourth Ring shape groove deep and groove width equate with groove depth and the groove width of the 5th circular groove respectively.
in addition, in the utility model, described bearing pin comprises the pin body and is arranged on the plunger at pin body two ends, pin body surface hardness is HRA80～83, its core hardness is 〉=HRC30, the surface hardness of plunger is HRC25～35, the hardness here realizes by following technique: first carry out coating (being coated with steel impermeable) at the two ends of blank, then carry out whole carburizing, after completing, carburizing carries out hot quenching, carry out cutting (making bearing pin) after hot quenching, the integral quenching of after cutting, bearing pin being carried out is processed, after Quenching Treatment, plunger is carried out annealing in process, further, the pin body surface hardness here equates with lining inner wall surface hardness, and lining outer wall surface hardness equates with roller inner wall surface hardness, and the inner wall surface hardness of this roller is greater than its outer wall surface hardness.Secondly, bearing pin of the present utility model is made by the 20CrNi2MoA material, and lining is made by the 20CrMoA material, and roller is made by the 40CrNiMoA material.
Compared with prior art, the advantage of the Assembly of pin of this marine engine Transmitted chains is: 1, design is more reasonable, the first interior circulation capillary oil-bearing structure and the second interior circulation capillary oil-bearing structure have the function of oil storage, can fundamentally solve existing Transmitted chains oil storage poor-performing, lubrication effect is relatively poor, the problems such as leakage of oil, thus reduce friction factor, virtually extend the working life of Transmitted chains, meet the trend of current social technical development.2, structure is easily made, and in addition, its oil storage is effective, and lubricant oil is difficult for revealing and is difficult for withered.3, operating method is simple, has virtually reduced cost of production, is easy to be applied.
Description of drawings
Fig. 1 is the perspective view that the utility model provides.
Fig. 2 is the bush structure schematic diagram that the utility model provides.
Fig. 3 is the roller structure schematic diagram that the utility model provides.
Fig. 4 is the another kind of structural representation of lining that the utility model provides.
Fig. 5 is A place structure for amplifying schematic diagram in Fig. 2.
Fig. 6 is B place structure for amplifying schematic diagram in Fig. 3.
Fig. 7 is C place structure for amplifying schematic diagram in Fig. 4.
Fig. 8 is the structural representation that the utility model provides.
In figure, bearing pin 1, outer plate installing zone 1a, lining 2, inner plate installing zone 2a, the first interior circulation capillary oil-bearing structure 21, the first right-handed screw groove 21a, the first backpitch groove 21b, the first circular groove 21c, the 3rd capillary oil-bearing structure 22, the 3rd right-handed screw groove 22a, the 3rd backpitch groove 22b, the 3rd circular groove 22c, the 4th circular groove 23, roller 3, the second interior circulation capillary oil-bearing structure 31, the second right-handed screw groove 31a, the second backpitch groove 31b, the second circular groove 31c, the 5th circular groove 32, fixture 4, cutter 5, cutter head 51.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
as Figure 1-3, the Assembly of pin of this marine engine Transmitted chains comprises bearing pin 1, cover has the lining 2 that can rotate to it on bearing pin 1, cover has the roller 3 that can rotate to it on lining 2, the two ends of described bearing pin 1 are respectively equipped with outer plate installing zone 1a, described lining 2 two ends are respectively equipped with inner plate installing zone 2a, be provided with the first interior circulation capillary oil-bearing structure 21 that forms oil film between the surface of contact that can make this lining 2 and bearing pin 1 when lining 2 when bearing pin 1 rotates at lining 2 inwalls, described roller 3 inwalls are provided with the second interior circulation capillary oil-bearing structure 31 that forms oil film between the surface of contact that can make this roller 3 and lining 2 when roller 3 when lining 2 rotates.The hardness at bearing pin 1 two ends is less than the hardness at bearing pin 1 middle part; The hardness of the hardness of bearing pin 1 outer wall and lining 2 inwalls adapts; The hardness of roller 3 is less than the hardness of lining 2 outer walls.Obviously, the present embodiment design is more reasonable, the first interior circulation capillary oil-bearing structure 31 of interior circulation capillary oil-bearing structure 21 and second has the function of oil storage, can fundamentally solve existing Transmitted chains oil storage poor-performing, lubrication effect is relatively poor, the problems such as leakage of oil, thus reduce friction factor, virtually extend the working life of Transmitted chains, meet the trend of current social technical development.On the other hand, due to the hardness at the bearing pin two ends hardness less than the bearing pin middle part, therefore be convenient to rivet; Because the hardness of bearing pin outer wall and the hardness of lining inwall adapt, even if therefore bearing pin and the mutual friction of lining phase, wearing and tearing between the two are also less; Due to the hardness of the roller hardness less than the lining outer wall, when Transmitted chains work was particularly turned, roller can play effective protection to lining, avoids lining to be worn.Obviously, the collocation of above-mentioned different hardness has extended working life of Transmitted chains effectively.Hardness in the utility model adapts and refers to that hardness equates or difference in hardness is less.
Specifically, as shown in Fig. 2,5, the first interior circulation capillary oil-bearing structure 21 of the present embodiment comprises the first right-handed screw groove 21a that is distributed on lining 2 inwalls and is arranged in parallel and the first backpitch groove 21b that is distributed on lining 2 inwalls and is arranged in parallel, described the first right-handed screw groove 21a and the first backpitch groove 21b are mutually arranged in a crossed manner, and the first right-handed screw groove 21a and the first backpitch groove 21b join end to end; As shown in Fig. 3,6, the described second interior circulation capillary oil-bearing structure 31 comprises the second right-handed screw groove 31a that is distributed on roller 3 inwalls and is arranged in parallel and the second backpitch groove 31b that is distributed on roller 3 inwalls and is arranged in parallel, described the second right-handed screw groove 31a and the second backpitch groove 31b are mutually arranged in a crossed manner, and the second right-handed screw groove 31a and the second backpitch groove 31b join end to end.
In order to prevent oil leak, as shown in Fig. 2,5, be respectively equipped with in lining 2 both ends of the surface inboards the first circular groove 21c that is positioned at lining 2 inwalls, described the first right-handed screw groove 21a and the first backpitch groove 21b all are connected with described the first circular groove 21c; As shown in Fig. 3,6, be respectively equipped with in roller 3 both ends of the surface inboards the second circular groove 31c that is positioned at roller 3 inwalls, described the second right-handed screw groove 31a and the second backpitch groove 31b all are connected with described the second circular groove 31c.Obviously this structure (the first circular groove 21c and the second circular groove 31c) one effect oil storage and can prevent oil leak, its two effect is to can be used for storing dirt, for example fricative iron pin.
In addition, the groove depth of each the first circular groove 21c and groove width be respectively greater than groove depth and the groove width of described the first right-handed screw groove 21a, and the groove depth of each the first circular groove 21c and groove width are respectively greater than groove depth and the groove width of described the first backpitch groove 21b; The groove depth of each the second circular groove 31c and groove width be respectively greater than groove depth and the groove width of described the second right-handed screw groove 31a, and the groove depth of each the second circular groove 31c and groove width are respectively greater than groove depth and the groove width of described the second backpitch groove 31b.The groove depth of the first right-handed screw groove 21a of the present embodiment is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first right-handed screw groove 21a is 0.002mm～0.2mm; The groove depth of described the first backpitch groove 21b is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first backpitch groove 21b is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality, and the groove depth of the first right-handed screw groove 21a of the present embodiment is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm; The groove depth of the first backpitch groove 21b is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm.
Moreover the groove depth of the second right-handed screw groove 31a is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second right-handed screw groove 31a is 0.002mm～0.2mm; The groove depth of described the second backpitch groove 31b is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second backpitch groove 31b is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality, and the groove depth of the second right-handed screw groove 31a of the present embodiment is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm; The groove depth of the second backpitch groove 31b is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm.
In addition, the infall at the first right-handed screw groove 21a and the first backpitch groove 21b is provided with the first oil storage micropore that radially extends; The infall of described the second right-handed screw groove 31a and the second backpitch groove 31b is provided with the second oil storage micropore that radially extends.Further increase oil reserve.
In order further to extend the working life of Transmitted chains, as shown in Fig. 4,7, be provided with the 3rd capillary oil-bearing structure 22 at lining 2 outer round surface.optimized project, the 3rd capillary oil-bearing structure 22 here comprises the 3rd right-handed screw groove 22a that is distributed on lining 2 outer round surface and is arranged in parallel and the 3rd backpitch groove 22b that is distributed on lining 2 outer round surface and is arranged in parallel, described the 3rd right-handed screw groove 22a and the 3rd backpitch groove 22b are mutually arranged in a crossed manner, and the 3rd right-handed screw groove 22a and the 3rd backpitch groove 22b join end to end, be respectively equipped with the 3rd circular groove 22c that is positioned at described lining 2 outer round surface outside lining 2 both ends of the surface, described the 3rd right-handed screw groove 22a and the 3rd backpitch groove 22b all are connected with described the 3rd circular groove 22c.The groove depth of described the 3rd right-handed screw groove 22a is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd right-handed screw groove 22a is 0.002mm～0.2mm; The groove depth of described the 3rd backpitch groove 22b is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd backpitch groove 22b is 0.002mm～0.2mm; The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality, and the groove depth of the 3rd right-handed screw groove 22a of the present embodiment is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.3mm; The groove depth of the 3rd backpitch groove 22b is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm.
As a kind of scheme of comparatively optimizing, as shown in Figure 2, be provided with the 4th circular groove 23 on lining 2 inwalls, and the 4th circular groove 23 is positioned at the middle part of lining 2; As shown in Figure 3, be provided with the 5th circular groove 32 on roller 3 inwalls, and the 5th circular groove 32 is positioned at the middle part of roller 3, described the 4th circular groove 23 groove depths and groove width equate with groove depth and the groove width of the 5th circular groove 32 respectively.The 4th circular groove 23 here and the groove depth of the 5th circular groove 32 are 0.06mm～0.3mm, and groove width is 0.06mm～0.3mm, and actual the present embodiment adopts groove depth 0.18mm, groove width 0.18mm.
as shown in Figure 1, the present embodiment bearing pin 1 comprise pin body 11 and be arranged on the plunger 12 at pin body two ends, pin body 11 surface hardnesses are HRA80～83, its core hardness is 〉=HRC30, the surface hardness of plunger 12 is HRC25～35, the hardness here realizes by following technique: first carry out coating (being coated with steel impermeable) at the two ends of blank, then carry out whole carburizing, after completing, carburizing carries out hot quenching, carry out cutting (making bearing pin 1) after hot quenching, the integral quenching of after cutting, bearing pin 1 being carried out is processed, after Quenching Treatment, plunger 12 is carried out annealing in process, further, pin body 11 surface hardnesses here equate with lining 2 inner wall surface hardness, and lining 2 outer wall surface hardness equate with roller 3 inner wall surface hardness, and the inner wall surface hardness of this roller 3 is greater than its outer wall surface hardness.Secondly, bearing pin 1 of the present utility model is made by the 20CrNi2MoA material, and lining 2 is made by the 20CrMoA material, and roller 3 is made by the 40CrNiMoA material.As preferably, pin body 11 surface hardnesses here are HRA81.5, and its core hardness is HRC34, and the surface hardness of plunger 12 is HRC30.
In addition, as shown in Figure 8, the present embodiment also relates to a kind of processing method of interior circulation capillary oil-bearing structure of marine engine Transmitted chains Assembly of pin, and this processing method comprises the following steps:
A, location: lining 2/ roller 3 is fixed on workpiece holder 4, cutter 5 is fixed on tool mounting 4, described cutter 5 is cutter head 51 can stretch into shaft-like in lining 2/ roller 3, and described cutter head 51 is provided with some cutting edges; This processing method can be that the mode that fixture 4 rotates or workpiece rotates is carried out operation.
B, processing spiral chute: make to produce between lining 2/ roller 3 and cutter 5 circumferentially to relatively rotate, make simultaneously to produce between lining 2/ roller 3 and cutter 5 and axially relatively move, when cutter 5 moves to the other end from lining 2/ roller 3 one ends, make to produce between lining 2/ roller 3 and cutter 5 and oppositely circumferentially relatively rotate, make simultaneously and produce inversion axis between lining 2/ roller 3 and cutter 5 to relatively moving, and the cutting edge of cutter head 51 does not exceed the end face of lining 2/ roller 3 all the time in course of working, thereby process the first right-handed screw groove 21a and first backpitch groove 21b/ the second right-handed screw groove 31a and the second backpitch groove 31b at lining 2/ roller 3 inwalls,
C, finished product: lining 2/ roller 3 that machines is cleaned, remove the processing bits, get product.Remove the trough rim burr.
In addition, above-mentioned step B operates once at least; The groove depth of described the first right-handed screw groove 21a is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first right-handed screw groove 21a is 0.002mm～0.2mm; The groove depth of described the first backpitch groove 21b is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first backpitch groove 21b is 0.002mm～0.2mm; The groove depth of described the second right-handed screw groove 31a is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second right-handed screw groove 31a is 0.002mm～0.2mm; The groove depth of described the second backpitch groove 31b is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second backpitch groove 31b is 0.002mm～0.2mm.The groove depth here, groove width and pitch of grooves can be formulated according to the requirement of reality, and the groove depth of the first right-handed screw groove 21a of this step is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm; The groove depth of the first backpitch groove 21b is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm; The groove depth of the second right-handed screw groove 31a is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm; The groove depth of the second backpitch groove 31b is 0.1mm, and groove width is 0.1mm, and the pitch of grooves between adjacent two grooves is 0.1mm.
This processing method also comprises the car circular groove, comprises the first circular groove 21a and the second circular groove 31c, and depth of cut is 0.06mm～0.3mm, and groove width is 0.06mm～0.3mm, and the depth of cut here and groove width can be formulated according to the requirement of reality.The depth of cut of the first circular groove 21a of this step is 0.18mm, and groove width is 0.18mm; The depth of cut of the second circular groove 31c is 0.18mm, and groove width is 0.18mm.Moreover the processing method of the 3rd capillary oil-bearing structure 22 and this processing method are same processing modes.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
although this paper has more used bearing pin 1, outer plate installing zone 1a, lining 2, inner plate installing zone 2a, the first interior circulation capillary oil-bearing structure 21, the first right-handed screw groove 21a, the first backpitch groove 21b, the first circular groove 21c, the 3rd capillary oil-bearing structure 22, the 3rd right-handed screw groove 22a, the 3rd backpitch groove 22b, the 3rd circular groove 22c, the 4th circular groove 23, roller 3, the second interior circulation capillary oil-bearing structure 31, the second right-handed screw groove 31a, the second backpitch groove 31b, the second circular groove 31c, the 5th circular groove 32, fixture 4, cutter 5, cutter head 51 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. the Assembly of pin of a marine engine Transmitted chains, comprise bearing pin (1), at the upper cover of bearing pin (1), the lining (2) that can rotate to it is arranged, at the upper cover of lining (2), the roller (3) that can rotate to it is arranged, the two ends of described bearing pin (1) are respectively equipped with outer plate installing zone (1a), described lining (2) two ends are respectively equipped with inner plate installing zone (2a), it is characterized in that, described lining (2) inwall is provided with and can makes relative to bearing pin (1) the first interior circulation capillary oil-bearing structure (21) that forms oil film between the surface of contact of this lining (2) and bearing pin (1) when rotating when lining (2), described roller (3) inwall is provided with and can makes relative to lining (2) the second interior circulation capillary oil-bearing structure (31) that forms oil film between the surface of contact of this roller (3) and lining (2) when rotating when roller (3), the hardness at described bearing pin (1) two ends is less than the hardness at bearing pin (1) middle part, the hardness of the hardness of described bearing pin (1) outer wall and lining (2) inwall adapts, the hardness of described roller (3) is less than the hardness of lining (2) outer wall.
2. the Assembly of pin of marine engine Transmitted chains according to claim 1, it is characterized in that, the described first interior circulation capillary oil-bearing structure (21) comprises the first backpitch groove (21b) that is distributed on lining (2) inwall and the first right-handed screw groove (21a) that is arranged in parallel and is distributed on lining (2) inwall and is arranged in parallel, described the first right-handed screw groove (21a) and the first backpitch groove (21b) are mutually arranged in a crossed manner, and the first right-handed screw groove (21a) and the first backpitch groove (21b) join end to end; The described second interior circulation capillary oil-bearing structure (31) comprises the second backpitch groove (31b) that is distributed on roller (3) inwall and the second right-handed screw groove (31a) that is arranged in parallel and is distributed on roller (3) inwall and is arranged in parallel, described the second right-handed screw groove (31a) and the second backpitch groove (31b) are mutually arranged in a crossed manner, and the second right-handed screw groove (31a) and the second backpitch groove (31b) join end to end.
3. the Assembly of pin of marine engine Transmitted chains according to claim 2, it is characterized in that, described lining (2) both ends of the surface inboard is respectively equipped with the first circular groove (21c) that is positioned at lining (2) inwall, and described the first right-handed screw groove (21a) and the first backpitch groove (21b) all are connected with described the first circular groove (21c); Described roller (3) both ends of the surface inboard is respectively equipped with the second circular groove (31c) that is positioned at roller (3) inwall, and described the second right-handed screw groove (31a) and the second backpitch groove (31b) all are connected with described the second circular groove (31c).
4. the Assembly of pin of marine engine Transmitted chains according to claim 3, it is characterized in that, the groove depth of each the first circular groove (21c) and groove width be respectively greater than groove depth and the groove width of described the first right-handed screw groove (21a), and the groove depth of each the first circular groove (21c) and groove width are respectively greater than groove depth and the groove width of described the first backpitch groove (21b); The groove depth of each the second circular groove (31c) and groove width be respectively greater than groove depth and the groove width of described the second right-handed screw groove (31a), and the groove depth of each the second circular groove (31c) and groove width are respectively greater than groove depth and the groove width of described the second backpitch groove (31b).
5. the Assembly of pin of according to claim 2 or 3 or 4 described marine engine Transmitted chainss, it is characterized in that, the groove depth of described the first right-handed screw groove (21a) is 0.002mm～0.2mm, groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first right-handed screw groove (21a) is 0.002mm～0.2mm; The groove depth of described the first backpitch groove (21b) is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this first backpitch groove (21b) is 0.002mm～0.2mm; The groove depth of described the second right-handed screw groove (31a) is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second right-handed screw groove (31a) is 0.002mm～0.2mm; The groove depth of described the second backpitch groove (31b) is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of this second backpitch groove (31b) is 0.002mm～0.2mm.
6. the Assembly of pin of according to claim 2 or 3 or 4 described marine engine Transmitted chainss, is characterized in that, the infall of described the first right-handed screw groove (21a) and the first backpitch groove (21b) is provided with the first oil storage micropore that radially extends; The infall of described the second right-handed screw groove (31a) and the second backpitch groove (31b) is provided with the second oil storage micropore that radially extends.
7. the Assembly of pin of according to claim 1 and 2 or 3 or 4 described marine engine Transmitted chainss, is characterized in that, described lining (2) outer round surface is provided with the 3rd interior circulation capillary oil-bearing structure (22), the described the 3rd interior circulation capillary oil-bearing structure (22) comprises the 3rd right-handed screw groove (22a) that is distributed on lining (2) outer round surface and is arranged in parallel and the 3rd backpitch groove (22b) that is distributed on lining (2) outer round surface and is arranged in parallel, described the 3rd right-handed screw groove (22a) and the 3rd backpitch groove (22b) are mutually arranged in a crossed manner, and the 3rd right-handed screw groove (22a) and the 3rd backpitch groove (22b) join end to end, be respectively equipped with the 3rd circular groove (22c) that is positioned at described lining (2) outer round surface outside lining (2) both ends of the surface, described the 3rd right-handed screw groove (22a) and the 3rd backpitch groove (22b) all are connected with described the 3rd circular groove (22c).
8. the Assembly of pin of marine engine Transmitted chains according to claim 7, it is characterized in that, the groove depth of described the 3rd right-handed screw groove (22a) is 0.002mm～0.2mm, groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd right-handed screw groove (22a) is 0.002mm～0.2mm; The groove depth of described the 3rd backpitch groove (22b) is 0.002mm～0.2mm, and groove width is 0.002mm～0.2mm, and the pitch of grooves between adjacent two grooves of the 3rd backpitch groove (22b) is 0.002mm～0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320313777 CN203272604U (en) | 2013-05-31 | 2013-05-31 | Pin shaft assembly of engine transmission chain for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320313777 CN203272604U (en) | 2013-05-31 | 2013-05-31 | Pin shaft assembly of engine transmission chain for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272604U true CN203272604U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320313777 Withdrawn - After Issue CN203272604U (en) | 2013-05-31 | 2013-05-31 | Pin shaft assembly of engine transmission chain for ship |
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| Country | Link |
|---|---|
| CN (1) | CN203272604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277461A (en) * | 2013-05-31 | 2013-09-04 | 浙江来源机械有限公司 | Pin component for marine engine drive chain, and manufacturing method thereof |
-
2013
- 2013-05-31 CN CN 201320313777 patent/CN203272604U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277461A (en) * | 2013-05-31 | 2013-09-04 | 浙江来源机械有限公司 | Pin component for marine engine drive chain, and manufacturing method thereof |
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Granted publication date: 20131106 Effective date of abandoning: 20150121 |
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