CN208913299U - A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper - Google Patents

A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper Download PDF

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Publication number
CN208913299U
CN208913299U CN201821505434.7U CN201821505434U CN208913299U CN 208913299 U CN208913299 U CN 208913299U CN 201821505434 U CN201821505434 U CN 201821505434U CN 208913299 U CN208913299 U CN 208913299U
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China
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connecting rod
pin hole
medium speed
tooth
speed engine
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CN201821505434.7U
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Chinese (zh)
Inventor
汝文斌
孙璇
叶华
方丽玲
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Hudong Heavy Machinery Co Ltd
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Hudong Heavy Machinery Co Ltd
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Abstract

The utility model discloses a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clampers, including pony sill, side plate, connecting rod cap pin hole positioning seat and positioning pin, supporting pad is installed above the pony sill, top board is installed above the supporting pad, the top board side is equipped with the side plate, support saddle is provided with below the side plate, connecting rod shank small end positioning base is installed above the pony sill, connecting rod shank small end hollow core shaft is installed inside the connecting rod shank small end positioning base, the hollow welding mandrel end of pin hole is provided with the connecting rod cap pin hole positioning seat, the pony sill end is equipped with support column.Beneficial effect is: when tooth mills machining, list is equipped on angle square attachment forming milling cutter, and three tooth sections of substep milling tooth connection, flank of tooth quality guarantee that ability is enhanced, the working strength for reducing lower one of flank of tooth grinding process, improves the production efficiency of master connecting-rod.

Description

A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper
Technical field
The utility model relates to machining equipment technical fields, more particularly in a kind of medium speed engine master connecting-rod bearing points Face tooth connection gear milling clamper.
Background technique
Connecting rod is the important moving component of diesel engine, main to pay a kind of common link mechanism shape that connecting rod is medium seed diesel engine Formula, 12E390VA medium seed diesel engine are exactly the main connecting rod for paying link-type, and master connecting-rod is because of its two end axles bearing bore and pays connecting rod pin hole Etc. technical requirements it is high and become big one of the pass heavy parts of medium seed diesel engine difficulty of processing, and its big-end bearing split tooth connection Processing be even more the mach a great problem of diesel engine connecting bar.Tooth segment length's number of teeth of its master connecting-rod big-end bearing split tooth connection It is more, and it is divided into tri- sections of A, B and C (as shown in Figure 1), the required precision of the flank of tooth is high, such as roughness requirements Ra1.6, flank engagement Area is not less than 80%, and tooth accuracy requirement need be often reached using flank of tooth plunge grinding.Therefore in the big-end bearing The process of exploitation in one's early years is continued to use always in the processing of facet tooth connection, i.e., " the connecting using special configuration on ordinary gantry milling machine " the forming milling cutter " that bar plane teeth special milling head " is equipped with three knife multi packs is attached the coarse-fine Gear Milling of tooth, then by clamping The flank of tooth that work is attached tooth grinds the required precision until meeting product.
The aging method of above-mentioned master connecting-rod bearing split tooth connection processing has following disadvantage:
It is carried out since " linkage plane tooth special milling head " need load onto three high-precision dedicated " forming milling cutters " simultaneously Mill teeth cutting, the high deployment cost of the required precision of cutter is high, and time-consuming and laborious using fashionable dress knife tool changing, task difficulty is big, production effect Rate is low.
Three " forming milling cutters " while milling master connecting-rod when tooth mills machining, on " linkage plane tooth special milling head " Tri- tooth sections of A, B and C of tooth connection, i.e. tooth section A (13 tooth), tooth section B (12 tooth) and tooth section C (15 tooth) amount to 40 teeth to carry out simultaneously It is often not satisfactory that forming mill teeth cutting can inevitably generate undesirable conditions, the flank of tooth quality such as vibration.
Bad shadow since three " forming milling cutter " accuracies of manufacture and installation accuracy are different, when being cut along with tooth milling Sound etc. can all be such that the flank of tooth mass offset technique of tooth connection requires, and the grinding for increasing lower one of pincers worker is difficult, can greatly increase pincers The working hour of the tooth connection flank of tooth grinding of work, or even influence whether effective control to the connecting rod production cycle.
With the utilization of the sophisticated equipments such as numerically-controlled machine tool and universal, original " linkage plane tooth special milling head " is also with elder generation Preceding ordinary gantry milling machine, which is scrapped, to be eliminated and abandons, and must be researched and developed and be used on advanced numerical control device with advanced technique Technology is attached the tooth Milling Machining of tooth.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides in a kind of medium speed engine master connecting-rod bearing point Face tooth connection gear milling clamper.
The utility model achieves the above object through the following technical schemes:
A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, including pony sill, side plate, connecting rod cap pin hole Positioning seat and positioning pin, the pony sill top are equipped with supporting pad, are equipped with top board, the upper pressure above the supporting pad Plate side is equipped with the side plate, and support saddle is provided with below the side plate, is equipped with connecting rod above the pony sill Body small end positioning base, connecting rod shank small end hollow core shaft is equipped with inside the connecting rod shank small end positioning base, and the pin hole is empty Heart welding mandrel end is provided with the connecting rod cap pin hole positioning seat, and the pony sill end is equipped with support column, the connecting rod Body small end hollow core shaft end is equipped with end cap, and the end cap side is equipped with lifting lug, the connecting rod cap pin hole positioning seat top Positioning flap is installed, the positioning pin is installed below the connecting rod cap pin hole positioning seat.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the pedestal Frame is bolted with the support column, and the support column is bolted with the top board, the top board and institute Supporting pad is stated to be bolted.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the connecting rod Body small end hollow core shaft is connected together with the connecting rod shank small end positioning base, and the end cap and the connecting rod shank small end position bottom Seat is bolted.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the connecting rod Cancelling hole positioning seat is bolted with the top board, and the support saddle is bolted with the supporting pad.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the lifting lug With the end cap nested encryptions.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the pin hole Hollow welding mandrel is connected together with the connecting rod cap pin hole positioning seat, and the connecting rod cap pin hole positioning seat and the pony sill are logical It crosses and is bolted.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the connecting rod Cancelling hole positioning seat is bolted with the positioning flap.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, the connecting rod Cancelling hole positioning seat is bolted to connection with the positioning pin, and there are three the positioning pins.
The utility model has the beneficial effects that: using new process refers to new equipment, solves such medium speed diesel The difficulty of owner's connecting-rod bearing split tooth connection tooth Milling Machining;Be equipped with when tooth mills machining, on angle square attachment it is single at Shape milling cutter, and three tooth sections of substep milling tooth connection, wherein longest milling is that also only mill teeth is formed in 15 teeth to tooth section Cutting avoids and generates the undesirable conditions such as biggish vibration, and flank of tooth quality guarantees that ability is enhanced, while making tooth The flank of tooth quality of milling is enhanced, and reduces the working strength of lower one of flank of tooth grinding process, improves the life of master connecting-rod Produce efficiency.
Detailed description of the invention
Fig. 1 is a kind of partial sectional view of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper of the utility model;
Fig. 2 is that a kind of connecting rod shank small end of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper of the utility model is fixed Position pedestal figure;
Fig. 3 is a kind of hollow welding of pin hole of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper of the utility model Mandrel figure;
Fig. 4 is a kind of positioning flap figure of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper of the utility model.
The reference numerals are as follows:
1, pony sill;2, supporting pad;3, top board;4, side plate;5, connecting rod shank small end hollow core shaft;6, connecting rod shank small end Positioning base;7, the hollow welding mandrel of pin hole;8, connecting rod cap pin hole positioning seat;9, saddle is supported;10, support column;11, lifting lug; 12, positioning pin;13, flap is positioned;14, end cap.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, including pony sill 1, side plate 4, connecting rod cap pin hole positioning seat 8 and positioning pin 12, pony sill 1 Top is equipped with supporting pad 2, is equipped with top board 3 above supporting pad 2, and 3 side of top board is equipped with side plate 4, under side plate 4 Side is provided with support saddle 9, is equipped with connecting rod shank small end positioning base 6 above pony sill 1, in connecting rod shank small end positioning base 6 Portion is equipped with connecting rod shank small end hollow core shaft 5, and hollow 7 end of welding mandrel of pin hole is provided with connecting rod cap pin hole positioning seat 8, pedestal 1 end of frame is equipped with support column 10, and 5 end of connecting rod shank small end hollow core shaft is equipped with end cap 14, and 14 side of end cap, which is equipped with, hangs Ear 11 is equipped with positioning flap 13 above connecting rod cap pin hole positioning seat 8, is equipped with positioning pin below connecting rod cap pin hole positioning seat 8 12。
In above structure, the smoothing of pony sill 1 is straightened subsequent pressure first and is fastened, with three master connecting-rods as one group, greatly Holding split, side-by-side alignment, small stomidium are installed into connecting rod shank small end hollow core shaft 5, are lifted on supporting pad 2 together, connecting rod upward After body small end hollow core shaft 5 is seated in connecting rod shank small end positioning base 6, positioning flap 13 is loaded onto after adjustment both sides neutral gear is similar, And installing stud nut fastening additional, the top board 3 of subsequent properly installed connecting rod shank refills the side plate 4 of appropriate connecting rod shank, alternately to connecting rod shank Top board 3 screw and side plate 4 pressurize, fastened until tightening, three connecting rods matched with above-mentioned three master connecting-rod bodies Gai Weiyi group, side-by-side alignment, connecting rod pin hole are installed into the hollow welding mandrel 7 of pin hole, are lifted into together bearing hole split upward On supporting pad 2, after the hollow welding mandrel 7 of pin hole is seated in connecting rod cap pin hole positioning seat 8, it is fixed to load onto after adjustment both sides neutral gear is similar Position flap 13, and install stud nut fastening additional, the top board 3 of subsequent properly installed connecting rod cap, and fastening nail therein is pre-tightened, remaining Component first fastens, the side plate 4 of properly installed connecting rod cap, and pre-tightens side plate 4 and washer nut therein, alternately to the upper of connecting rod cap The fastening nail and side plate 4 of pressing plate 3 pressurize, and fasten until tightening.
In order to further increase the use function of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, pony sill 1 It is bolted with support column 10, support column 10 is bolted with top board 3, and top board 3 and supporting pad 2 pass through bolt Connection, connecting rod shank small end hollow core shaft 5 are connected together with connecting rod shank small end positioning base 6, and end cap 14 and connecting rod shank small end position Pedestal 6 is bolted, and connecting rod cap pin hole positioning seat 8 is bolted with top board 3, and support saddle 9 and supporting pad 2 are logical It crosses and is bolted, lifting lug 11 and 14 nested encryptions of end cap, the hollow welding mandrel 7 of pin hole engage company with connecting rod cap pin hole positioning seat 8 It connects, connecting rod cap pin hole positioning seat 8 is bolted with pony sill 1, and connecting rod cap pin hole positioning seat 8 and positioning flap 13 pass through spiral shell It tethers and connects, connecting rod cap pin hole positioning seat 8 is bolted to connection with positioning pin 12, and there are three positioning pins 12.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.

Claims (8)

1. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper, it is characterised in that: including pony sill, side plate, Connecting rod cap pin hole positioning seat and positioning pin, the pony sill top are equipped with supporting pad, are equipped with pressure above the supporting pad Plate, the top board side are equipped with the side plate, and support saddle, the pony sill top are provided with below the side plate Connecting rod shank small end positioning base is installed, connecting rod shank small end hollow core shaft is installed inside the connecting rod shank small end positioning base, The hollow welding mandrel end of pin hole is provided with the connecting rod cap pin hole positioning seat, and the pony sill end is equipped with support Column, the connecting rod shank small end hollow core shaft end are equipped with end cap, and the end cap side is equipped with lifting lug, the connecting rod cap pin hole Positioning flap is installed above positioning seat, the positioning pin is installed below the connecting rod cap pin hole positioning seat.
2. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The pony sill is bolted with the support column, and the support column is bolted with the top board, it is described on Pressing plate is bolted with the supporting pad.
3. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The connecting rod shank small end hollow core shaft is connected together with the connecting rod shank small end positioning base, and the end cap and the connecting rod shank are small End positioning base is bolted.
4. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The connecting rod cap pin hole positioning seat is bolted with the top board, and the support saddle and the supporting pad pass through bolt Connection.
5. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The lifting lug and the end cap nested encryptions.
6. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The hollow welding mandrel of pin hole is connected together with the connecting rod cap pin hole positioning seat, the connecting rod cap pin hole positioning seat with it is described Pony sill is bolted.
7. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The connecting rod cap pin hole positioning seat is bolted with the positioning flap.
8. a kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper according to claim 1, it is characterised in that: The connecting rod cap pin hole positioning seat is bolted to connection with the positioning pin, and there are three the positioning pins.
CN201821505434.7U 2018-09-14 2018-09-14 A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper Active CN208913299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821505434.7U CN208913299U (en) 2018-09-14 2018-09-14 A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821505434.7U CN208913299U (en) 2018-09-14 2018-09-14 A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper

Publications (1)

Publication Number Publication Date
CN208913299U true CN208913299U (en) 2019-05-31

Family

ID=66705641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821505434.7U Active CN208913299U (en) 2018-09-14 2018-09-14 A kind of medium speed engine master connecting-rod bearing split tooth connection gear milling clamper

Country Status (1)

Country Link
CN (1) CN208913299U (en)

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