CN102011791B - Connecting rod of engine and making method thereof - Google Patents
Connecting rod of engine and making method thereof Download PDFInfo
- Publication number
- CN102011791B CN102011791B CN2010102651028A CN201010265102A CN102011791B CN 102011791 B CN102011791 B CN 102011791B CN 2010102651028 A CN2010102651028 A CN 2010102651028A CN 201010265102 A CN201010265102 A CN 201010265102A CN 102011791 B CN102011791 B CN 102011791B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- double wedge
- groove
- cut
- fitting surface
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a connecting rod of an engine and a making method thereof. A connecting rod body and a connecting rod cover of the connecting rod are respectively provided with convex teeth and a groove in a crossing way, the convex teeth on the connecting rod body are matched with the groove on the connecting rod cover, and the groove on the connecting rod body is matched with the convex teeth on the connecting rod cover. In the method, a lug with a half part equal to the convex teeth and the other half part adapted to the groove is firstly cut from the initial connecting rod, then, another lug with a half part equal to the convex teeth and the other half part adapted to the groove is cut from the initial connecting rod in another direction, and arbitrary one cutting can halve the lug formed through the other cutting. Compared with the prior art, the invention has the advantages of higher locating accuracy, larger locating rigidity, convenience in disassembly and assembly, low manufacture cost and the like, changes a tooth form and a tooth groove amount, regulates an included angle between each tooth and each groove and an included angle of the tooth groove and a crankshaft axis, distributes X-direction and Y-direction locating intensity ratios, compensates a stress deformation error and provides a perfect scheme for processing an integral forging type connecting rod.
Description
Technical field
The invention belongs to the engine link field, specifically a kind of engine link and manufacture method thereof.
Background technique
Connecting rod is widely used on all kinds of power vehicles as the critical piece of the power of transmission, is the vitals of all kinds of motors.Connecting rod is bearing very high periodic shock power, inertial force and bending force in the process of the power of transmission.This just requires connecting rod should have high intensity, toughness and fatigue behaviour.Simultaneously, because it is the important moving element of motor, so exigent reliability, serviceability.Along with the development of automobile industry, the demand of connecting rod many different process for machining and manufacturing also occurred in continuous increase.
In traditional manufacturing process, connecting rod shank has two kinds of methods with the manufacturing of connecting rod cap: 1) connecting rod shank separates with connecting rod cap solid forging → sawing → surface of contact machining → assembling.2) connecting rod shank and connecting rod cap forge respectively → surface of contact machining → assembling.Adopt above-mentioned two kinds of techniques, not only need to the junction plane of connecting rod shank and connecting rod cap broach, milling and grinding, also to bore, the positioning pin hole on the bowl cover that is hinged and the tapped hole of connecting rod, to realize connecting rod shank and connecting rod cap accurate assembly.Therefore, need more finishing machine, complicated manufacturing procedure and a large amount of machining periods.
In order to enhance productivity and to improve the quality of production, a kind of engine link (also claiming " swollen disconnected ") processing technique has appearred, this technology is the new technology of the junction plane of connecting rod shank and connecting rod cap being carried out the processing of chipless fracture subdivision, its principle is by designing and prefabricated breach (starting notch) in the crank pin end pore center, formation stress is concentrated, the load that initiatively applies again vertical predetermined fracture surface is drawn and is split, in situation about deforming hardly, at the indentation, there rule breaking, realize the chipless fracture subdivision of connecting rod shank and connecting rod cap.Have the plurality of advantages such as manufacturing procedure is few, equipment investment is little, low cost of manufacture, good product quality, assembly precision is high, bearing capacity is strong.Be 200910226345.8 Chinese invention patent application such as application number, disclose a kind of Machining of Connecting Rod method that is applied to the engine link field, described processing method is: a) rupture cross section at connecting rod blank processes bolt connecting hole; B) preprocessing stress groove is set at the edge of connecting rod blank, sets out starting notch in the crank pin end pore inboard; C) on the connecting rod cracking process equipment, crank pin end pore is applied perpendicular to the disconnected stress F of rising of predetermined fracture surface; D) with con-rod only and the engagement of connecting rod cap two-part of fracture, penetrate bolt, and tighten; E) will be to the processing method of the right boring technique Gai Cheng Quilting grinding process that carries out in the crank pin end pore.
But, because the con-rod fracture splitting processing technique belongs to precision processing technology, its influence factor is numerous, the many factors such as connecting rod material, connecting rod Forging Technology, connecting rod cracking sectional shape, initial crack groove and con-rod fracture splitting equipment have very big impact to Splitting Processing Quality, and Splitting Processing Quality is wayward.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of simple in structure, easy to process, engine link that quality of processing is stable is provided.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: a kind of engine link, comprise connecting rod shank and connecting rod cap, be shaped with on the first fitting surface of connecting rod shank the first groove group and with the first groove group the first double wedge group arranged in a crossed manner, the first groove group comprises first groove or comprises at least two the first grooves that are arranged in parallel, the first double wedge group comprises first double wedge or comprises at least two the first double wedges that are arranged in parallel, the second groove group that is comprised of the second groove that is shaped with the second double wedge group that is comprised of the second double wedge of agreeing with mutually with the first groove group on the second fitting surface of connecting rod cap and agrees with mutually with the first double wedge group.
Preferably, above-mentioned the first double wedge and the second double wedge are a kind of in rectangle, trapezoidal, triangle, arc toothed, involute profile or the zigzag fashion.
Another object of the present invention provides the method for producing above-mentioned engine link: a kind of method of producing engine link, may further comprise the steps: at first get the initial connecting rod that connecting rod shank and connecting rod cap are connected as a single entity, then determine the position of the first fitting surface at initial connecting rod, then line of cut is along the first fitting surface and be parallel to the first double wedge group initial connecting rod is cut, when being cut to the default position of the first double wedge of the first double wedge group at every turn, cut out the second projection to the connecting rod cap direction, lower half portion of the second projection is identical with the shape of the first double wedge, its upper half part is corresponding with the second groove, until fully initial connecting rod is separated; Two-part of initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of lower half portion of the second projection and upper half part as the second fitting surface, then line of cut is along the second fitting surface and be parallel to the second double wedge group the initial connecting rod after separating is cut, when being cut to the default position of double wedge of the second double wedge group at every turn, cut out the first projection to connecting rod body of rod direction, upper half part of the first projection is identical with the shape of the second double wedge, its lower half portion is corresponding with the first groove, then continue along the cutting of the second fitting surface, until fully initial connecting rod is separated; The first material between the first fitting surface and the second fitting surface and the removal of the second material are namely got required finished product.
Exchange the cutting sequence of the first fitting surface and the second fitting surface, namely obtain following scheme: a kind of method of producing engine link, may further comprise the steps: at first get the initial connecting rod that connecting rod shank and connecting rod cap are connected as a single entity, then determine the position of the second fitting surface at initial connecting rod, then line of cut is along the second fitting surface and be parallel to the second double wedge group initial connecting rod is cut, when being cut to the default position of the second double wedge of the second double wedge group at every turn, cut out the first projection to the connecting rod shank direction, upper half part of the first projection is identical with the shape of the second double wedge, its lower half portion is corresponding with the first groove, then continue along the cutting of the second fitting surface, until fully initial connecting rod is separated; Two-part of initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of upper half part of the first projection and lower half portion as the first fitting surface, then line of cut is along the first fitting surface and be parallel to the first double wedge group the initial connecting rod after separating is cut, when being cut to the default position of the first double wedge of the first double wedge group at every turn, cut out the second projection to the connecting rod cap direction, lower half portion of the second projection is identical with the shape of the first double wedge, its upper half part is corresponding with the second groove, then continue along the cutting of the first fitting surface, until fully initial connecting rod is separated; The first material between the first fitting surface and the second fitting surface and the removal of the second material are namely got required finished product.
In order to obtain better technique effect, further technical measures also comprise: because the effect of stress, two parts after separating have the distortion of trace, in order to eliminate this distortion, above-mentioned steps one also comprises: cut apart finish after, two-part of described initial connecting rod after will cutting apart are fixed together, and again cut according to the cutting path of cutting apart for the first time.Again cut and crushed element can be eliminated with same path, and because the initial connecting rod of this moment separates, again do not have effect of stress in the cutting process, therefore can not produce distortion.
Preferably, above-mentioned cutting is the Control Wire Cut Electrical Discharge cutting.
Because line of cut has certain width in the spark-erosion wire cutting process, and the shape of the first double wedge and the second double wedge is by the inboard decision of line of cut, the shape of the first groove and the second groove is determined by the outside of line of cut, for the situation that prevents that consequent the first double wedge and the second groove and the second double wedge and the first groove from not exclusively coincideing.Therefore, the profile line of lower half portion of above-mentioned the second projection is divided into the first outer contour and the first inner outline, the profile line of upper half part of the second projection is divided into the second outer contour and the second inner outline, and wherein, the first inner outline is identical with the oriented side size of the second outer contour.The profile line of upper half part of above-mentioned the first projection is divided into the 3rd outer contour and the 3rd inner outline, the profile line of lower half portion of the first projection is divided into all round profile line and the second inner outline, wherein, the oriented side size of profile line is identical all round with for the 3rd inner outline.
The present invention compared with prior art, have following beneficial effect: the concavo-convex teeth groove mode of 1, intersecting is very suitable to be applied to the location that cooperates of connecting rod shank and connecting rod cap, in the degrees of freedom that limits X-direction (bent axle radial direction) and Y-direction (bent axle axial direction) two dimensional surface very high positioning and rigid is arranged.Be in particular in the following aspects: a. since cross recesses and double wedge all directly be distributed on deciliter face of connecting rod shank and connecting rod cap, tooth depth and facewidth ratio less, dedendum strength is guaranteed easily.
B. the shaggy tooth groove shape of intersecting can be decided as required, and selectivity is large.The height of intensity, dismounting easy selected such as trapezoidal, triangle, arc toothed, involute profile, zigzag fashion, rectangle, irregular profile of tooth and the various shapes such as compound tooth-shaped as requested.
C. intersecting the quantity of concavo-convex teeth groove can be according to the needs of different positioning and rigids, be set as to intersect one group or intersect many groups, can design the multiple sets of teeth groove under the prerequisite that guarantees deciliter basal plane area.
D. the positioning and rigid that intersects on concavo-convex teeth groove X and the Y both direction can be pro rata distributed.Adjust the positioning intensity of X and Y both direction by changing between teeth groove and the crankshaft center line angle between the angle and concavo-convex teeth groove.
2, the cooperation tightness of concavo-convex teeth groove can be determined as required.Change the character of its cooperation by the tolerance of size that changes concavo-convex teeth groove.Consider simultaneously easy accessibility, can select proper tooth shape and teeth groove number.
3, because the connecting rod of the concavo-convex teeth groove structural type of intersection, separate with connecting rod cap at connecting rod shank and to add man-hour, can adopt the respectively form of processing of whole location, therefore when cutting open the joint, one side of connecting rod shank and connecting rod cap, owing to the forming residual stress of previous process produces distortion after being released, and the amount of deformation of connecting rod side and connecting rod cap side again can be different, and can adopt whole location respectively the mode of cutting cut open at the opposite side that carries out the joint and add the position of adjusting accordingly relative deformation man-hour, the crushed element adjustment that can quantize and recompense makes connecting rod shank and connecting rod cap after the processing guarantee perfectly engagement.
4, connecting rod shank and connecting rod cap Location accuracy and repetitive positioning accuracy are high.Because the relative size of teeth groove and the factor of profile of tooth, the approaching face of tooth and groove was complete when connecting rod cap was packed connecting rod shank into, the importing area is very large and importing property is good especially, as connecting rod shank and the connecting rod cap little amount of deformation when the fine finishing can thisly be intersected, concavo-convex structure gives calibration and elimination after admitting, so repetitive positioning accuracy is high.
5, owing to intersecting concavo-convex teeth groove connecting rod shank and connecting rod cap when orientation assemble, the lead-in portion of tooth and groove is very complete, good rigidly and certain importing length is arranged, therefore the very convenient position that trues up can fully phase out the measure of all auxiliary positioning, reduces manufacture cost.
6, intersecting concavo-convex teeth groove can establish each one group on different direction in the X of deciliter face and Y-direction, or establishes one group and many groups, or establish many groups and many groups also can, concavo-convex teeth groove respectively can be become a certain angle with X with Y-direction, establish each one group or establish each organize more or establish one group with organize more.
In sum, the mesh form of concavo-convex teeth groove of intersecting can adopt the respectively method of cutting process of whole location, therefore connecting rod shank and connecting rod are stamped higher Location accuracy and larger positioning and rigid, angle and teeth groove are with the angle of axis between change profile of tooth and teeth groove number and adjustment teeth groove, the positioning intensity ratio of distributing X and Y-direction, compensation stress deformation error, easy accessibility and low cost of manufacture etc. provide a fairly perfect scheme to the processing of whole forged connecting rod.
Description of drawings
Fig. 1 is embodiment 1 front schematic view.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the cutting path schematic representation after cutting apart for the first time among the embodiment 1.
Fig. 4 is the cutting path schematic representation after cutting apart for the second time among the embodiment 1.
Fig. 5 is connecting rod shank and the connecting rod cap view after separately among the embodiment 1.
Fig. 6 is embodiment 2 front schematic view.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the cutting path schematic representation after cutting apart for the first time among the embodiment 2.
Fig. 9 is the cutting path schematic representation after cutting apart for the second time among the embodiment 2.
Figure 10 is connecting rod shank and the connecting rod cap view after separately among the embodiment 2.
Figure 11 is the front schematic view of connecting rod shank among the embodiment 3.
Figure 12 is the schematic top plan view of Figure 11.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail: embodiment 1.
As shown in Figure 1, 2, a kind of engine link, comprise connecting rod shank 1 and connecting rod cap 2, the the first double wedge group that is shaped with the first groove group on the first fitting surface 1a of connecting rod shank 1 and arranges with the first groove group square crossing, the first groove group comprises first groove 3, the first double wedge group comprises first double wedge 4 that is shaped as rectangle, the second groove group that is comprised of the second groove 6 that is shaped with the second double wedge group that the second double wedge 5 by being shaped as rectangle of agreeing with mutually with the first groove group forms on the second fitting surface 2a of connecting rod cap 2 and agrees with mutually with the first double wedge group.
A kind of method of producing above-mentioned engine link, may further comprise the steps: with reference to figure 3, at first get the initial connecting rod that connecting rod shank 1 and connecting rod cap 2 are connected as a single entity, then determine the position of the first fitting surface 1a at initial connecting rod, adopting the Control Wire Cut Electrical Discharge cutting to make line of cut along the first fitting surface 1a and be parallel to the first double wedge group cuts initial connecting rod, when being cut to the first double wedge 4 default position of the first double wedge group at every turn, cut out the second projection to connecting rod cap 2 directions, lower half portion 10a of the second projection is identical with the shape of the first double wedge 4, its upper half part 10b is corresponding with the second groove 6, until fully initial connecting rod is separated, cut apart for the first time finish after, two-part of described initial connecting rod after will cutting apart are fixed together, and again cut according to the cutting path of cutting apart for the first time; With reference to figure 4, two-part of initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of lower half portion 10a of the second projection and upper half part 10b as the second fitting surface 2a, then line of cut is along the second fitting surface 2a and be parallel to the second double wedge group the initial connecting rod after separating is cut, when being cut to the second double wedge 5 default position of the second double wedge group at every turn, cut out the first projection to connecting rod shank 1 direction, upper half part 9a of the first projection is identical with the shape of the second double wedge 5, its lower half portion 9b is corresponding with the first groove 3, then continue the cutting along the second fitting surface 2a, until fully initial connecting rod is separated; With reference to figure 5, the first material 7 between the first fitting surface 1a and the second fitting surface 2a and 8 removals of the second material are namely got required finished product.
With reference to figure 3,4, wherein, the profile line of lower half portion 10a of above-mentioned the second projection is divided into the first outer contour 10c and the first inner outline 10d, the profile line of upper half part 10b of the second projection is divided into the second outer contour 10e and the second inner outline 10f, wherein, the first inner outline 10d is identical with the oriented side size of the second outer contour 10e.
The profile line of upper half part 9a of above-mentioned the first projection is divided into the 3rd outer contour 9c and the 3rd inner outline 9d, the profile line of lower half portion 9b of the first projection is divided into all round profile line 9e and the 4th inner outline 9f, wherein, the oriented side size of profile line 9e is identical all round with for the 3rd inner outline 9d.
Such as Fig. 6, shown in 7, a kind of engine link, comprise connecting rod shank 1 and connecting rod cap 2, the the first double wedge group that is shaped with the first groove group on the first fitting surface 1a of connecting rod shank 1 and arranges with the first groove group square crossing, the first groove group comprises two the first grooves 3 that are arranged in parallel, the first double wedge group comprises two the first that be arranged in parallel and be shaped as rectangle double wedges 4, the second groove group that is comprised of the second groove 6 that is shaped with the second double wedge group that the second double wedge 5 by being shaped as rectangle of agreeing with mutually with the first groove group forms on the second fitting surface 2a of connecting rod cap 2 and agrees with mutually with the first double wedge group.
A kind of method of producing above-mentioned engine link, may further comprise the steps: with reference to figure 8, at first get the initial connecting rod that connecting rod shank 1 and connecting rod cap 2 are connected as a single entity, then determine the position of the second fitting surface 2a at initial connecting rod, adopting the Control Wire Cut Electrical Discharge cutting to make line of cut along the second fitting surface 2a and be parallel to the second double wedge group cuts initial connecting rod, when being cut to the second double wedge 5 default position of the second double wedge group at every turn, cut out the first projection to connecting rod shank 1 direction, upper half part 9a of the first projection is identical with the shape of the second double wedge 5, its lower half portion 9b is corresponding with the first groove 3, then continue the cutting along the second fitting surface 2a, until fully initial connecting rod is separated; With reference to figure 9, two-part of initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of upper half part 9a of the first projection and lower half portion 9b as the first fitting surface 1a, then line of cut is along the first fitting surface 1a and be parallel to the first double wedge group the initial connecting rod after separating is cut, when being cut to the first double wedge 4 default position of the first double wedge group at every turn, cut out the second projection to connecting rod cap 2 directions, lower half portion 10a of the second projection is identical with the shape of the first double wedge 4, its upper half part 10b is corresponding with the second groove 6, then continue the cutting along the first fitting surface 1a, until fully initial connecting rod is separated; With reference to Figure 10, the first material 7 between the first fitting surface 1a and the second fitting surface 2a and 8 removals of the second material are namely got required finished product.
With reference to figure 8,9, wherein, the profile line of lower half portion 10a of above-mentioned the second projection is divided into the first outer contour 10c and the first inner outline 10d, the profile line of upper half part 10b of the second projection is divided into the second outer contour 10e and the second inner outline 10f, wherein, the first inner outline 10d is identical with the oriented side size of the second outer contour 10e.
The profile line of upper half part 9a of above-mentioned the first projection is divided into the 3rd outer contour 9c and the 3rd inner outline 9d, the profile line of lower half portion 9b of the first projection is divided into all round profile line 9e and the 4th inner outline 9f, wherein, the oriented side size of profile line 9e is identical all round with for the 3rd inner outline 9d.
Such as Figure 11, shown in 12, a kind of engine link, comprise connecting rod shank 1 and connecting rod cap 2, be shaped with on the first fitting surface 1a of connecting rod shank 1 the first groove group and with the first groove group the first double wedge group arranged in a crossed manner, the first groove group comprises first groove 3, the first double wedge group comprises that is shaped as first a trapezoidal double wedge 4, angle between the first groove 3 and the first double wedge 4 is 60 °, be shaped with on the second fitting surface 2a of connecting rod cap 2 with the first groove group agree with mutually by the second groove group that is formed by the second groove 6 that is shaped as the second double wedge group that the second trapezoidal double wedge 5 forms and agrees with mutually with the first double wedge group.
Claims (7)
1. engine link, comprise connecting rod shank (1) and connecting rod cap (2), it is characterized in that: be shaped with on first fitting surface (1a) of described connecting rod shank (1) the first groove group and with described the first groove group the first double wedge group arranged in a crossed manner, described the first groove group comprises first groove (3) or comprises at least two the first grooves (3) that are arranged in parallel, described the first double wedge group comprises first double wedge (4) or comprises at least two the first double wedges (4) that are arranged in parallel, the second groove group that is comprised of the second groove (6) that is shaped with the second double wedge group that is comprised of the second double wedge (5) of agreeing with mutually with described the first groove group on second fitting surface (2a) of described connecting rod cap (2) and agrees with mutually with the first double wedge group; It makes by following steps: step 1: at first get the initial connecting rod that connecting rod shank (1) and connecting rod cap (2) are connected as a single entity, then determine the position of described the first fitting surface (1a) at described initial connecting rod, then line of cut is along described the first fitting surface (1a) and be parallel to described the first double wedge group described initial connecting rod is cut, when being cut to the default position of described the first double wedge (4) of described the first double wedge group at every turn, cut out the second projection to described connecting rod cap (2) direction, lower half portion of described the second projection (10a) is identical with the shape of described the first double wedge (4), its upper half part (10b) is corresponding with described the second groove (6), until fully described initial connecting rod is separated; Step 2: two-part of the described initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of lower half portion (10a) of described the second projection and upper half part (10b) as described the second fitting surface (2a), then line of cut is along described the second fitting surface (2a) and be parallel to described the second double wedge group the initial connecting rod after separating is cut, when being cut to the default position of described the second double wedge (5) of described the second double wedge group at every turn, cut out the first projection to described connecting rod shank (1) direction, upper half part of described the first projection (9a) is identical with the shape of described the second double wedge (5), its lower half portion (9b) is corresponding with described the first groove (3), then continue along described the second fitting surface (2a) cutting, until fully described initial connecting rod is separated; Step 3: the first material (7) between described the first fitting surface (1a) and described the second fitting surface (2a) and the second material (8) removal are namely got required finished product.
2. engine link, comprise connecting rod shank (1) and connecting rod cap (2), it is characterized in that: be shaped with on first fitting surface (1a) of described connecting rod shank (1) the first groove group and with described the first groove group the first double wedge group arranged in a crossed manner, described the first groove group comprises first groove (3) or comprises at least two the first grooves (3) that are arranged in parallel, described the first double wedge group comprises first double wedge (4) or comprises at least two the first double wedges (4) that are arranged in parallel, the second groove group that is comprised of the second groove (6) that is shaped with the second double wedge group that is comprised of the second double wedge (5) of agreeing with mutually with described the first groove group on second fitting surface (2a) of described connecting rod cap (2) and agrees with mutually with the first double wedge group; It makes by following steps: step 1: at first get the initial connecting rod that connecting rod shank (1) and connecting rod cap (2) are connected as a single entity, then determine the position of described the second fitting surface (2a) at described initial connecting rod, then line of cut is along described the second fitting surface (2a) and be parallel to described the second double wedge group described initial connecting rod is cut, when being cut to the default position of described the second double wedge (5) of described the second double wedge group at every turn, cut out the first projection to described connecting rod shank (1) direction, upper half part of described the first projection (9a) is identical with the shape of described the second double wedge (5), its lower half portion (9b) is corresponding with described the first groove (3), then continue along described the second fitting surface (2a) cutting, until fully described initial connecting rod is separated; Step 2: two-part of the described initial connecting rod after will cutting apart are fixed on original position, with the plane, separating surface place of upper half part (9a) of described the first projection and lower half portion (9b) as described the first fitting surface (1a), then line of cut is along described the first fitting surface (1a) and be parallel to described the first double wedge group the initial connecting rod after separating is cut, when being cut to the default position of described the first double wedge (4) of described the first double wedge group at every turn, cut out the second projection to described connecting rod cap (2) direction, lower half portion of described the second projection (10a) is identical with the shape of described the first double wedge (4), its upper half part (10b) is corresponding with described the second groove (6), then continue along described the first fitting surface (1a) cutting, until fully described initial connecting rod is separated; Step 3: the first material (7) between described the first fitting surface (1a) and described the second fitting surface (2a) and the second material (8) removal are namely got required finished product.
3. a kind of engine link according to claim 1 and 2 is characterized in that described step 1 also comprises: cut apart for the first time finish after, two-part of the described initial connecting rod after will cutting apart are fixed together, and again cut according to the cutting path of cutting apart for the first time.
4. a kind of engine link according to claim 3 is characterized in that: cutting is the Control Wire Cut Electrical Discharge cutting.
5. a kind of engine link according to claim 4, it is characterized in that: the profile line of lower half portion of described the second projection (10a) is divided into the first outer contour (10c) and the first inner outline (10d), the profile line of upper half part of described the second projection (10b) is divided into the second outer contour (10e) and the second inner outline (10f), wherein, described the first inner outline (10d) is identical with the oriented side size of described the second outer contour (10e).
6. a kind of engine link according to claim 5, it is characterized in that: the profile line of upper half part of described the first projection (9a) is divided into the 3rd outer contour (9c) and the 3rd inner outline (9d), the profile line of lower half portion of described the first projection (9b) is divided into all round profile line (9e) and the 4th inner outline (9f), wherein, the oriented side size of profile line (9e) is identical all round with described for described the 3rd inner outline (9d).
7. a kind of engine link according to claim 1 and 2 is characterized in that: described the first double wedge (4) and the second double wedge (5) are a kind of in rectangle, trapezoidal, triangle, arc toothed, involute profile or the zigzag fashion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102651028A CN102011791B (en) | 2010-08-24 | 2010-08-24 | Connecting rod of engine and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102651028A CN102011791B (en) | 2010-08-24 | 2010-08-24 | Connecting rod of engine and making method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011791A CN102011791A (en) | 2011-04-13 |
| CN102011791B true CN102011791B (en) | 2013-02-27 |
Family
ID=43842078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102651028A Expired - Fee Related CN102011791B (en) | 2010-08-24 | 2010-08-24 | Connecting rod of engine and making method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011791B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950419A (en) * | 2012-11-19 | 2013-03-06 | 无锡市京锡冶金液压机电有限公司 | Precise basis type production processing flow for engine connecting rod |
| CN103009020B (en) * | 2012-12-31 | 2015-07-08 | 江苏大学 | Manufacturing method for steel cracking connecting rod |
| CN105179456A (en) * | 2015-06-29 | 2015-12-23 | 唐萍 | Vehicle connection rod production process |
| CN107838632B (en) * | 2016-09-19 | 2023-10-20 | 云南西仪工业股份有限公司 | Preparation method of expansion-break pre-stress groove of powder forging connecting rod |
| CN107725734A (en) * | 2017-10-24 | 2018-02-23 | 北京天地玛珂电液控制***有限公司 | Plunger pump |
| CN108167315A (en) * | 2017-11-22 | 2018-06-15 | 中国北方发动机研究所(天津) | A kind of the connecting rod blank structure and connecting rod method for processing fractured of the swollen disconnected position of controls connecting rod |
| CN114571251B (en) * | 2022-03-29 | 2022-12-13 | 安庆职业技术学院 | Full-automatic connecting rod high-quality cracking equipment and cracking method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA513828A (en) * | 1955-06-14 | Karl Maybach | Crank pin bearing | |
| CN101387314A (en) * | 2007-09-12 | 2009-03-18 | 黄石东贝电器股份有限公司 | Exploding jointed connecting rod and method for manufacturing same |
| CN102297195A (en) * | 2010-06-28 | 2011-12-28 | 钟树平 | Engine connecting rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999108A (en) * | 1982-11-29 | 1984-06-07 | Mitsubishi Electric Corp | Connecting rod made of compound material |
-
2010
- 2010-08-24 CN CN2010102651028A patent/CN102011791B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA513828A (en) * | 1955-06-14 | Karl Maybach | Crank pin bearing | |
| CN101387314A (en) * | 2007-09-12 | 2009-03-18 | 黄石东贝电器股份有限公司 | Exploding jointed connecting rod and method for manufacturing same |
| CN102297195A (en) * | 2010-06-28 | 2011-12-28 | 钟树平 | Engine connecting rod |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59－99108A 1984.06.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102011791A (en) | 2011-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102011791B (en) | Connecting rod of engine and making method thereof | |
| CN103038548B (en) | Gear with free curved surfaces | |
| EP2326520B1 (en) | Method for stamping an arm for car suspensions | |
| JP3155682U (en) | Gear for transmission | |
| CN104487188B (en) | The manufacture method of die forging bent axle | |
| JP6132030B2 (en) | Manufacturing method of forged crankshaft | |
| CN103596724A (en) | Piston and method of making a piston | |
| CN104373553A (en) | Steel plate spinning multi-wedge motor belt wheel and spinning method thereof | |
| US7251979B2 (en) | Method of producing forged part and method of producing suspension arm for automotive vehicles | |
| CN203245267U (en) | Automobile load-sensing proportioning valve support punching forming die | |
| CN102500732B (en) | Multi-station cold heading forming technology of automobile door limiter | |
| CN103143624A (en) | Punch forming process and mould for vehicle load sensing proportional valve support | |
| KR101704932B1 (en) | Manufacturing method of cotter pin shaft | |
| CN105612049A (en) | Press device, production line, and press device production method | |
| CN109386529A (en) | The molding structure and forming method of stud | |
| CN101313160B (en) | Sliding sleeve and method for producing sliding sleeve | |
| CN205136019U (en) | Compressor air cylinder and rotary compressor employing same | |
| CN201198862Y (en) | Sectional type crankshaft structure | |
| JP5992064B1 (en) | Crankshaft manufacturing method | |
| CN201106621Y (en) | Bulging-off stress groove of engine connecting rod | |
| CN101209477A (en) | Method for forming end socket of beam-like part | |
| CN101363532A (en) | Composite spinning belt sheave and method for manufacturing same | |
| DE102009008842A1 (en) | Suspension arm for use in wheel suspensions of motor vehicle, has vehicle-side coupling structure, wheel-side coupling structure and connecting structure connected to vehicle-side coupling structure and wheel-side coupling structure | |
| CN201908940U (en) | Expanding fracture connecting rod of motor | |
| CN105051330B (en) | The manufacture method of camshaft and the manufacture method of gear shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONG YI Free format text: FORMER OWNER: ZHONG SHUPING Effective date: 20150820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150820 Address after: 315020, No. 1236, Lane 6, Jiangbei Avenue, Jiangbei District, Zhejiang, Ningbo Patentee after: Zhong Yi Address before: 315020 Gate Road, Jiangbei District, Zhejiang, Ningbo 730, China Patentee before: Zhong Shuping |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160824 |