CN102151721A - Inner tooth ring straightening frame - Google Patents
Inner tooth ring straightening frame Download PDFInfo
- Publication number
- CN102151721A CN102151721A CN2010106072005A CN201010607200A CN102151721A CN 102151721 A CN102151721 A CN 102151721A CN 2010106072005 A CN2010106072005 A CN 2010106072005A CN 201010607200 A CN201010607200 A CN 201010607200A CN 102151721 A CN102151721 A CN 102151721A
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- cast iron
- fixed axis
- part cast
- face
- ring gear
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Abstract
The invention discloses an inner tooth ring straightening frame comprising a base, wherein the base is fixed with a transversely and horizontally arranged fixed shaft through a bracket; one end of the fixed shaft is sleeved with a master part cast iron sleeve along a peripheral direction; the master part cast iron sleeve is in a cylindrical shape and takes the fixed shaft as a rotating shaft; the peripheral surface of the master part cast iron sleeve is conformal with the inner annular surface of an inner tooth ring; and as further improvement, two end surfaces of the master part cast iron sleeve are respectively limited by a limiting structure so that the master part cast iron sleeve can only peripherally rotate along the fixed shaft rather than sliding along an axial direction. The invention has a simple structure and convenience for use; in addition, compared with the traditional mode, the invention has the advantages of good straightening effect and high straightening efficiency, also decreases the struck marks positioned on the surface of a workpiece and enhances the external attractive degree of the workpiece.
Description
Technical field
The present invention relates to a kind of auxiliary brace that is used for the ring gear aligning.
Background technology
Fig. 1 is the external structure schematic diagram of ring gear, as the strength member in the heavy-duty car hub reduction mechanism, at present, the production technology of ring gear is a kind of to be to adopt medium carbon steel and medium carbon alloy steel after modified, the processing profile of tooth remakes nitrogen treatment, the ring gear cementation zone that this mode is made is shallow, and its bearing capacity, service life can not adapt to current developing of automobile industry needs; Another kind is that the recarburization of processing profile of tooth is quenched after adopting the low-carbon alloy steel normalizing, and the bearing capacity of the ring gear that this mode is made, service life all are better than the former, and the cutting ability when tooth Profile Machining is also more good simultaneously.Therefore, a kind of mode in back has been subjected to the welcome of vast manufacturer.But because that the shape of ring gear is Kong Dabi is thin, during carburizing and quenching distortion bigger, quench even adopt to press, its ring gear circularity can not satisfy technological requirement.
Therefore, heat back alignment just becomes a great problem, as shown in Figure 2, the producer that has adopts cold counterattack aligning method, directly with gear ring as for the A, the B two place's outer round surface that impact gear ring circularity minimum dimension side correspondence on the anvil with the aligning hammer, its surface plasticity is extended reach the aligning purpose, but this method goes up the trend that lower stress has plastic shrinkage again because the gear ring inside casing is unsettled during hammering, and the alignment effect is had a greatly reduced quality, so efficient is lower, labour intensity is big, and the product quality that obtains after the processing is also not ideal enough.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of ring gear alignment frame, can improve the working (machining) efficiency of ring gear aligning, reduced impacting impression simultaneously.
The objective of the invention is to be achieved through the following technical solutions:
Ring gear alignment frame of the present invention, comprise base, be fixed with the fixed axis that transverse horizontal is provided with by support on the described base, one end of described fixed axis is along circumferentially being arranged with main part cast iron cover, described main part cast iron cover is for cylindric and be turning cylinder with the fixed axis, the outer circumference surface of described main part cast iron cover with the suitable shape of ring gear inner ring surface.
Further, two end faces of described main part cast iron cover are undertaken spacing respectively by position limiting structure, make it circumferentially to rotate and vertically slip can not take place along fixed axis;
Further, the end face that fixed axis is gone in the timing of described main part cast iron suit earlier is the location end face, after go into fixed axis end face be fixing end face, described location end face is undertaken spacingly by being arranged on limiting plate below the fixed axis, described limiting plate is fixedlyed connected with base and is extended upward;
Further, the end of fixed axis one end that described main part cast iron cover is inserted in is provided with external screw thread, and described fixedly end face is undertaken spacing by the nut that cooperates with fixed axis end external screw thread;
Further, be provided with packing ring between described fixedly end face and the nut;
Further, described limiting plate and base are made one.
The invention has the beneficial effects as follows:
Of the present invention simple in structure, easy to use, with respect to traditional approach, have the advantage that calibration result is good, efficient is high, reduced the impression that impacts of surface of the work simultaneously, improved the exterior appearance degree of workpiece.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is the external structure schematic diagram of ring gear;
Fig. 2 is the schematic diagram of traditional rectification mode;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is a use schematic diagram of the present invention.
The specific embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only for the present invention is described, rather than in order to limit protection scope of the present invention.
As shown in Figure 3, ring gear alignment frame of the present invention, comprise base 1, be fixed with the fixed axis 2 that transverse horizontal is provided with by support on the base, one end of fixed axis 2 is along circumferentially being arranged with main part cast iron cover 3, and main part cast iron cover 3 is for cylindric and be turning cylinder with the fixed axis, the outer circumference surface of main part cast iron cover 3 with the suitable shape of ring gear inner ring surface, the end face of going into fixed axis during 3 assemblings of main part cast iron cover earlier is location end face 31, after go into fixed axis end face be fixing end face 32.
As further improvement, location end face 31 at main part cast iron cover 3 is undertaken spacing by position limiting structure, in the present embodiment, location end face 31 is to be undertaken spacingly by the limiting plate 6 that is arranged on fixed axis below, and described limiting plate 6 is fixedlyed connected with base and extended upward (can make with base perpendicular or limiting plate 6 and base make one).
Certainly, it is spacing that this location end face also can adopt other position limiting structures to carry out, as radial projection or back-up ring etc. are set on locating shaft.
As further improvement, fixedly end face 32 at main part cast iron cover 3 is also undertaken spacing by position limiting structure, make main part cast iron overlap 3 slips that can only can not take place along circumferential rotation of fixed axis vertically, beat the bad assurance in position because of main part cast iron cover endwisely slips to make when avoiding operating.In the present embodiment, by the end at main part cast iron cover 3 fixed axis that are inserted in one end external screw thread is set, fixedly end face 32 is undertaken spacing by the nut 4 that cooperates with fixed axis end external screw thread.
As further improvement, fixedly be provided with packing ring 5 between end face and the nut 4, play the effect of strengthening fixed effect and alleviating the axial rub noise.
As shown in Figure 4, during operation, ring gear is enclosed within main part cast iron cover 3, impacts two place's outer round surface of gear ring circularity minimum dimension side correspondence with the aligning hammer respectively, at this moment, gear ring has only the projection of outer round surface to correct ring gear circularity (trend that stress surface plasticity is dwindled about having overcome).
Facts have proved that use after this aligning frame, operating efficiency can improve 3 ~ 5 times, and the impacting impression and can significantly reduce of ring gear outside, the member quality can satisfy the specification requirement of ring gear fully.Simultaneously, greatly reduce working strength of workers because the vibration when impacting is little.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. ring gear alignment frame, it is characterized in that: comprise base (1), be fixed with the fixed axis (2) that transverse horizontal is provided with by support on the described base, one end of described fixed axis (2) is along circumferentially being arranged with main part cast iron cover (3), described main part cast iron cover (3) is for cylindric and be turning cylinder with the fixed axis, the outer circumference surface of described main part cast iron cover (3) with the suitable shape of ring gear inner ring surface.
2. ring gear alignment frame according to claim 1 is characterized in that: two end faces of described main part cast iron cover (3) are undertaken spacing respectively by position limiting structure, make it circumferentially to rotate and vertically slip can not take place along fixed axis.
3. ring gear alignment frame according to claim 1 and 2, it is characterized in that: the end face of going into fixed axis during described main part cast iron cover (3) assembling earlier is location end face (31), after go into fixed axis end face be fixing end face (32), described location end face (31) is undertaken spacing by the limiting plate (6) that is arranged on the fixed axis below, described limiting plate is fixedlyed connected with base and extended upward.
4. ring gear alignment frame according to claim 3, it is characterized in that: the end of fixed axis one end that described main part cast iron cover (3) is inserted in is provided with external screw thread, and described fixedly end face (32) is undertaken spacing by the nut (4) that cooperates with fixed axis end external screw thread.
5. ring gear alignment frame according to claim 4 is characterized in that: be provided with packing ring (5) between described fixedly end face and the nut (4).
6. ring gear alignment frame according to claim 1 and 2 is characterized in that: described limiting plate (6) is made one with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106072005A CN102151721A (en) | 2010-12-27 | 2010-12-27 | Inner tooth ring straightening frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106072005A CN102151721A (en) | 2010-12-27 | 2010-12-27 | Inner tooth ring straightening frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102151721A true CN102151721A (en) | 2011-08-17 |
Family
ID=44433583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106072005A Pending CN102151721A (en) | 2010-12-27 | 2010-12-27 | Inner tooth ring straightening frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102151721A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138518A (en) * | 1982-02-10 | 1983-08-17 | Toshiba Corp | Method for reforming roundness of pipe end |
| SU1500408A1 (en) * | 1987-11-26 | 1989-08-15 | Воронежское Производственное Объединение По Выпуску Кузнечно-Прессового Оборудования Им.М.И.Калинина | Device for trueing rings |
| DE4446268A1 (en) * | 1994-12-23 | 1996-06-27 | Schloemann Siemag Ag | Tooling arrangement for roller type straightening appts. |
| EP0769335A1 (en) * | 1995-09-29 | 1997-04-23 | Kawasaki Steel Corporation | Apparatus for reforming rollers for shaping rolled steel |
| CN2298076Y (en) * | 1997-04-29 | 1998-11-25 | 曾万来 | Rim correction machine |
| CN1944039A (en) * | 2006-10-16 | 2007-04-11 | 江苏省徐州锻压机床厂 | Synchronous chucking for double point press gear-mating, correction and detection and its application |
| CN101199972A (en) * | 2006-12-15 | 2008-06-18 | 曾光 | Automobile type steel rim furling plate round machine |
| CN201320568Y (en) * | 2008-12-24 | 2009-10-07 | 天津市天二锻压机床有限公司 | Alignment operating lever |
| CN201532166U (en) * | 2009-04-03 | 2010-07-21 | 沈机集团昆明机床股份有限公司 | Gear ring measurement aligning tool |
-
2010
- 2010-12-27 CN CN2010106072005A patent/CN102151721A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138518A (en) * | 1982-02-10 | 1983-08-17 | Toshiba Corp | Method for reforming roundness of pipe end |
| SU1500408A1 (en) * | 1987-11-26 | 1989-08-15 | Воронежское Производственное Объединение По Выпуску Кузнечно-Прессового Оборудования Им.М.И.Калинина | Device for trueing rings |
| DE4446268A1 (en) * | 1994-12-23 | 1996-06-27 | Schloemann Siemag Ag | Tooling arrangement for roller type straightening appts. |
| EP0769335A1 (en) * | 1995-09-29 | 1997-04-23 | Kawasaki Steel Corporation | Apparatus for reforming rollers for shaping rolled steel |
| CN2298076Y (en) * | 1997-04-29 | 1998-11-25 | 曾万来 | Rim correction machine |
| CN1944039A (en) * | 2006-10-16 | 2007-04-11 | 江苏省徐州锻压机床厂 | Synchronous chucking for double point press gear-mating, correction and detection and its application |
| CN101199972A (en) * | 2006-12-15 | 2008-06-18 | 曾光 | Automobile type steel rim furling plate round machine |
| CN201320568Y (en) * | 2008-12-24 | 2009-10-07 | 天津市天二锻压机床有限公司 | Alignment operating lever |
| CN201532166U (en) * | 2009-04-03 | 2010-07-21 | 沈机集团昆明机床股份有限公司 | Gear ring measurement aligning tool |
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| PB01 | Publication | ||
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Application publication date: 20110817 |