CN201720555U - Reaming positioning device - Google Patents
Reaming positioning device Download PDFInfo
- Publication number
- CN201720555U CN201720555U CN2010202353503U CN201020235350U CN201720555U CN 201720555 U CN201720555 U CN 201720555U CN 2010202353503 U CN2010202353503 U CN 2010202353503U CN 201020235350 U CN201020235350 U CN 201020235350U CN 201720555 U CN201720555 U CN 201720555U
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- cam
- positioning
- axle
- main bearing
- dish
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- Expired - Lifetime
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Abstract
The utility model discloses a reaming positioning device. The reaming positioning device comprises a cam positioning piece, a main bearing positioning piece, a transition piece and an intermediate shaft, wherein the cam positioning piece comprises a cam positioning shaft and a cam gap adjusting shaft, one end of the cam gap adjusting shaft is fixedly connected with a smaller flange plate and a cam positioning plate, and the other end is connected at the upper end of the cam positioning shaft; the main bearing positioning piece comprises a main bearing positioning shaft and a main bearing gap adjusting shaft, one end of the main bearing gap adjusting shaft is fixedly connected with a bigger flange plate and a main bearing positioning plate, and the other end is connected at the upper end of the main bearing positioning shaft; an intermediate shaft of the transition piece is sleeved inside a positioning sleeve and fixedly connected with a lug boss of a machine frame; and a smaller bridge plate is adjacently connected with the cam positioning plate and a bigger bridge plate is adjacently connected with the main bearing positioning plate. By replacing positioning plates in various gears to turn gear backlash among gears into assembly clearance among various positioning plates, the reaming positioning device has the advantages of stable processing, convenient operation and capability of satisfying positioning requirements of transition gears.
Description
Technical field
The utility model relates to a kind of reaming hole positioning device, especially can the articulation position degree require the reaming hole positioning device in very high hole, belong to the metal cutting processing technique field.
Background technology
Diesel engine is to lean on fuel oil and Air mixing to explode to promote bent axle rotation outputting power, there is particular kind of relationship between the rotation of bent axle and oil spout, air inlet, the exhaust, diesel engine relies on the time of camshaft control oil spout, air inlet, exhaust, also there is particular kind of relationship between the rotation of bent axle and the rotation of camshaft, this relation relies on the gear that bent axle and camshaft two ends are set to guarantee, regulates each other relation by the transition gear that is provided with between bent axle and the cam.Bent axle is contained in the main bearing hole of diesel engine stand, camshaft is installed in the camshaft hole of diesel engine stand, transition gear is installed on the jackshaft, jackshaft passes through the alignment pin positioning and fixing on the frame boss face of diesel engine, therefore, the whether accurate fit clearance that is related to each gear of the position of positioning hole on the jackshaft, thus drive connection between bent axle and the camshaft influenced.During the machining of the locating hole on jackshaft on diesel engine stand and the frame boss face, camshaft hole and main bearing hole be completion of processing in advance, if with separately processing separately of the locating hole on jackshaft and the frame boss, locating hole on jackshaft locating hole and the frame boss is inconsistent, can not satisfy the gap requirement of institute's assembling gear, influence the drive connection between cam shaft for diesel engine and the bent axle, thereby influence the performance of diesel engine.
The utility model content
The purpose of this utility model provides a kind of device of locating locating hole on processing jackshaft and the frame boss, to satisfy the gap requirement of gear assembling.
The utility model is achieved by the following technical programs:
A kind of reaming hole positioning device, comprise cam orientation part, main bearing positioning element and the transition piece between cam orientation part and main bearing positioning element, the jackshaft that be arranged in parallel, described cam orientation part comprises cam orientation axle, cam clearance adjustment axle, described cam clearance adjustment axle one end is fixedlyed connected with small flange plate, cam orientation dish respectively, the cam clearance is adjusted the axle other end and is connected with cam orientation axle one end, and small flange plate, cam orientation axle are positioned in several camshaft holes of vertically arranging in the frame; Described main bearing positioning element comprises base bearing locating shaft, main bearing journal clearance adjustment axle, main bearing journal clearance adjustment axle one end is fixedlyed connected with big ring flange, base bearing positioning disk respectively, main bearing journal clearance is adjusted the axle other end and is connected with base bearing locating shaft one end, and big ring flange, base bearing locating shaft are positioned in several main bearing holes of vertically arranging in the frame; Transition piece comprises positioning sleeve, small offence bridge dish, big gap bridge dish, fixedlys connected with big gap bridge dish, small offence bridge dish respectively in the positioning sleeve two ends, and jackshaft is sleeved in the positioning sleeve, fixedlys connected with the frame boss by securing member; Small offence bridge dish and cam orientation dish adjacency, big gap bridge dish and base bearing positioning disk adjacency.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid a kind of reaming hole positioning device, wherein said cam clearance are adjusted between axle and the cam orientation axle, main bearing journal clearance is adjusted between axle and the base bearing locating shaft, pass through uneven location respectively, by several fastener shaft to connection.
Aforesaid a kind of reaming hole positioning device, wherein said cam orientation axle, base bearing locating shaft are hollow cylindrical member, and described hollow cylindrical member one end is adjusted axle, main bearing journal clearance adjustment axle location with the cam clearance respectively by uneven.
The utility model cam orientation dish that is equivalent to each gear pair reference circle, small offence bridge dish, big gap bridge dish, the base bearing positioning disk replaces each gear, backlash between the gear is converted into cam orientation dish and small offence bridge dish, fit-up gap between base bearing positioning disk and the big gap bridge dish, only need to check that with clearance gauge cam orientation dish and small offence bridge dish or base bearing positioning disk and the fit-up gap between the gap bridge dish greatly are whether in the margin of tolerance of permission, just can accurately determine the position of positioning hole on the jackshaft, jackshaft and frame boss locating hole are positioned, boring fraising processing.Processing is stable, easy to operate, satisfies the positioning requirements of transition gear.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the cutaway view Amplified image of jackshaft;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the A-A cutaway view Amplified image of Fig. 2.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 2, before the utility model uses, several camshaft holes 70 that two row be arranged in parallel on the frame 7, several main bearing holes 75 are completion of processing, jackshaft 6 has only been processed central through hole 8, processed screwed hole of centre 761 on the frame boss 76, three articulation holes 60 on the jackshaft 6 and three articulation holes 760 on the frame boss 76 are position to be processed.
The utility model comprises cam orientation part 3, main bearing positioning element 4 and the transition piece 5 between cam orientation part 3, main bearing positioning element 4, the jackshaft 6 that be arranged in parallel, cam orientation part 3 comprises cam orientation axle 30, cam clearance adjustment axle 31, cam orientation axle 30 is positioned in the camshaft hole 70 with cylindrical, cam orientation axle 30 1 ends weldering cap seal mouth, to improve the rigidity of cam orientation axle 30, other end end face is provided with a boss 301.Cam clearance adjustment axle 31 1 ends are fixedlyed connected with small flange plate 312, cam orientation dish 313 respectively, cam clearance adjustment axle 31 other ends are provided with flange, end face of flange is provided with a counterbore, cam orientation axle 30 1 end boss 301 are adjusted the uneven location of axle 31 1 end counterbores with the cam clearance, and cam clearance adjustment axle 31 other end flanges are fixedlyed connected with cam orientation axle 30 by several screws.Cam orientation part 3 is positioned in several camshaft holes 70 by small flange plate 312, cam orientation axle 30.
Main bearing positioning element 4 comprises base bearing locating shaft 40, main bearing journal clearance adjustment axle 41, main bearing journal clearance adjustment axle 41 1 ends are fixedlyed connected with big ring flange 412, base bearing positioning disk 413 respectively, base bearing locating shaft 40 1 ends weldering cap seal mouth, other end end face is provided with a boss 401, main bearing journal clearance adjustment axle 41 1 ends are fixedlyed connected with big ring flange 412, base bearing positioning disk 413 respectively, and main bearing positioning element 4 is positioned in several main bearing holes 75 by big ring flange 412, base bearing locating shaft 40.Main bearing journal clearance adjustment axle 41 1 end flanges end faces are provided with a counterbore, base bearing locating shaft 40 1 end boss 401 are adjusted the uneven location of axle 41 1 end counterbores with main bearing journal clearance, and fixedly connected with base bearing locating shaft 40 by several screws that main bearing journal clearance is adjusted on axle 41 other end flanges.
As Fig. 2～shown in Figure 5, transition piece 5 comprises positioning sleeve 50, small offence bridge dish 51, big gap bridge dish 52, fixedly connected with big gap bridge dish 52, small offence bridge dish 51 respectively in positioning sleeve 50 two ends, jackshaft 6 is sleeved in the positioning sleeve 50, fixedlys connected with frame boss 76 by screw 56.Small offence bridge dish 51, big gap bridge dish 52 between cam orientation part 3 and main bearing positioning element 4, cam orientation dish 313 adjacency of small offence bridge dish 51 and cam orientation part 3, base bearing positioning disk 413 adjacency of big gap bridge dish 52 and main bearing positioning element 4.
When the utility model uses, earlier with in the small flange plate 312 of cam orientation part 3, several camshaft holes 70 that cam orientation axle 30 is positioned at frame 7; The big ring flange 412 of main bearing positioning element 4, base bearing locating shaft 40 usefulness are positioned in several main bearing holes 75 of frame 7 with quadrat method; With screw 56 with on the jackshaft 6 fixed frame boss 76, transition piece 5 is sleeved on the jackshaft 6 by positioning sleeve 50, with clearance gauge check between cam orientation dish 313 and the small offence bridge dish 51, base bearing positioning disk 413 and the fit-up gap between the gap bridge dish 52 greatly, and in the process of checking, tighten the attachment screw that the attachment screw of cam orientation axle 30 and cam clearance adjusting axle 31, base bearing locating shaft 40 and main bearing journal clearance are adjusted axle 41, cam clearance adjustment axle 31 is the fit-up gaps that are used to adjust cam orientation dish 313 and small offence bridge dish 51; Main bearing journal clearance adjustment axle 41 base bearing positioning disks 413 be used to adjust and big gap bridge dish 52 between the fit-up gap to reach requirement.Between three articulation holes of the datum mark of frame 7 and required processing certain geometrical relationship is arranged, lathe is processed 3 articulation holes on jackshaft 6 and the frame boss 76 one by one according to coordinate, whenever process an articulation hole, alignment pin 55 is inserted in jackshaft 6 and the frame boss 76, until machining 3 articulation holes.Operation is simple and reliable for the utility model, satisfies the matching requirements of diesel engine stand transition gear fully.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. reaming hole positioning device, it is characterized in that: comprise cam orientation part, main bearing positioning element and the transition piece between cam orientation part and main bearing positioning element, the jackshaft that be arranged in parallel, described cam orientation part comprises cam orientation axle, cam clearance adjustment axle, described cam clearance adjustment axle one end is fixedlyed connected with small flange plate, cam orientation dish respectively, the cam clearance is adjusted the axle other end and is connected with cam orientation axle one end, and small flange plate, cam orientation axle are positioned in several camshaft holes of vertically arranging in the frame; Described main bearing positioning element comprises base bearing locating shaft, main bearing journal clearance adjustment axle, main bearing journal clearance adjustment axle one end is fixedlyed connected with big ring flange, base bearing positioning disk respectively, main bearing journal clearance is adjusted the axle other end and is connected with base bearing locating shaft one end, and big ring flange, base bearing locating shaft are positioned in several main bearing holes of vertically arranging in the frame; Transition piece comprises positioning sleeve, small offence bridge dish, big gap bridge dish, fixedlys connected with big gap bridge dish, small offence bridge dish respectively in the positioning sleeve two ends, and jackshaft is sleeved in the positioning sleeve, fixedlys connected with the frame boss by securing member; Small offence bridge dish and cam orientation dish adjacency, big gap bridge dish and base bearing positioning disk adjacency.
2. a kind of reaming hole positioning device as claimed in claim 1, it is characterized in that: the cam clearance is adjusted between axle and the cam orientation axle, main bearing journal clearance is adjusted between axle and the base bearing locating shaft, respectively by uneven location, by several fastener shaft to connection.
3. a kind of reaming hole positioning device as claimed in claim 1, it is characterized in that: described cam orientation axle, base bearing locating shaft are hollow cylindrical member, and described hollow cylindrical member one end is adjusted axle, main bearing journal clearance adjustment axle location with the cam clearance respectively by uneven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202353503U CN201720555U (en) | 2010-06-23 | 2010-06-23 | Reaming positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202353503U CN201720555U (en) | 2010-06-23 | 2010-06-23 | Reaming positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201720555U true CN201720555U (en) | 2011-01-26 |
Family
ID=43488840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202353503U Expired - Lifetime CN201720555U (en) | 2010-06-23 | 2010-06-23 | Reaming positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201720555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879681A (en) * | 2010-06-23 | 2010-11-10 | 镇江中船设备有限公司 | Reaming hole positioning device |
| CN108127186A (en) * | 2017-11-10 | 2018-06-08 | 武汉船用机械有限责任公司 | A kind of fraising processing method for front strut |
-
2010
- 2010-06-23 CN CN2010202353503U patent/CN201720555U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879681A (en) * | 2010-06-23 | 2010-11-10 | 镇江中船设备有限公司 | Reaming hole positioning device |
| CN108127186A (en) * | 2017-11-10 | 2018-06-08 | 武汉船用机械有限责任公司 | A kind of fraising processing method for front strut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20110921 |