CN2152627Y - Forming hob for repairing and maintaining locomotive wheels - Google Patents
Forming hob for repairing and maintaining locomotive wheels Download PDFInfo
- Publication number
- CN2152627Y CN2152627Y CN 92241103 CN92241103U CN2152627Y CN 2152627 Y CN2152627 Y CN 2152627Y CN 92241103 CN92241103 CN 92241103 CN 92241103 U CN92241103 U CN 92241103U CN 2152627 Y CN2152627 Y CN 2152627Y
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- CN
- China
- Prior art keywords
- wheel
- hob
- cutter hub
- cutter
- group
- 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
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Abstract
The utility model relates to a forming hob for repairing and maintaining the wheels of a railway locomotive after the wheels are abraded. The appearance of the hob body of the hob is the same with the curve shape of the tread of the wheel rim of the wheel. The hob body is provided with a hob. Each group of hobs are the same with the curve of the tread of the wheel rim of the wheel, and hard alloy cutter blades are installed on each group of the hobs according to the curve shape of the tread of the wheel rim of the wheel. The hard alloy cutter blades on each group of the hobs are mutually staggered. Accordingly, the utility model has the advantages that the utility model can recover the outline of the wheel, prolong the service life of the wheel, improve the use rate of the cutter blades, and has high hob efficiency, etc.
Description
The utility model relates to a kind of shaping hob, and it mainly is applicable to the finishing after the wearing and tearing of railway locomotive wheel.
Finishing in the prior art after the wearing and tearing of railway locomotive wheel, generally need wheel is pulled down (as shown in Figure 1), be fixed on the top and chuck hub of lathe, on the left and right knife rest of machine tool dragging plate, press the dress roughing tool, wheel is cut, make its shape be lathed wheel rim, wheel tread curve semi-finished product, on copying tool post, press dress garden shape finishing tool then, by the stencil master cutting, reach required size; The finishing of this railway locomotive wheel, its efficient is lower, with the hilted broadsword cutting, is difficult for chip breaking, and lathe tool is easy to wear, and easily pull workpiece and operator, and rough turn with the model measurement, not accurate enough, inconvenience, simultaneously, operation is effort, and requires the operating technology height and need two people operation, and is time-consuming.Also have a kind of wheel processing that do not fall in addition, lathe is installed in subsurface, and rough turn and finish turning directly cuts with copying tool post, but there is above shortcoming equally in it.
The purpose of this utility model is to overcome existing above-mentioned deficiency in the prior art, and a kind of locomotive wheel flange tread wheel, cutter hub shaping hob of being used for locomotive wheel finishing identical with wheel rim wheel tread curve shape that do not fall is provided.
The purpose that the utility model proposed can be achieved through the following technical solutions: the cone of this shaping hob, cutter hub and cutter hub bearing axle are designed to one, the profile of cutter hub is identical with wheel rim wheel tread curve shape, five equilibrium has several grooves on the cutter hub, the groove of every group of milling cutter and cutter hub matches, and it is identical with wheel rim wheel tread curve shape, this milling cutter is fixed by set bolt, and on every group of milling cutter, carbide chip is installed by wheel rim wheel tread curve shape, carbide chip on every group of milling cutter staggers mutually, and by the cone bolting.
Description of drawings is as follows:
Fig. 1 is the schematic diagram of locomotive wheel wearing and tearing back finishing in the prior art.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is an A-A cutaway view of the present utility model.
Fig. 4 is a user mode schematic diagram of the present utility model.
Following the utility model will be described in further detail in conjunction with the accompanying drawings and by embodiment.
Referring to Fig. 2, Fig. 3, the cone 2 of this shaping hob, cutter hub 5 and cutter hub bearing axle 9 are designed to one, have locking screw keyhole 1 on the cone 2, the profile of cutter hub 5 is identical with wheel rim wheel tread curve shape, on cutter hub 5, five equilibrium processes ten grooves 10, every group of milling cutter 6 matches with the groove 10 of cutter hub 5, have ten groups, and being processed into wheel rim wheel tread curve shape, milling cutter 6 is installed in the groove 10 of cutter hub 5 by set bolt 4, and on every group of milling cutter 6, by wheel rim wheel tread curve shape ten to 11 standard carbide chips 7 are installed, these carbide chip 7 usefulness cone bolts 11 are fixed in the hole of milling cutter 6; For milling cutter 6 can be located preferably, be fixed with blade location-plate 3,8 at the two ends of cutter hub 5.Simultaneously, can be arranged in equably on the wheel rim wheel tread curve for making carbide chip 7, alternately cut simultaneously whole locomotive wheel, the carbide chip 7 on every group of milling cutter 6 staggers mutually.
Referring to Fig. 4, during use, do not need the locomotive wheel is pulled down, as long as drive wheel turns by mechanical driving device.Two wheels while automatic dressing in same procedure, left and right each one of hob is installed in the spindle taper hole of milling unit head 14, and the hob front end is equipped with the bearing 15 of bearing block, to strengthen the rigidity of cutter hub 5.Cutter hub 5 and on ten groups of milling cutters 6 make wheel rim wheel tread curve shape.
The utility model compared with prior art, have the following advantages: do not need wheel is pulled down when 1, repairing, and the hobbing cutter hub is designed to the wheel rim tread curve shape, alternately evenly cut thus whole flange tread, two wheels can be in same procedure automatic dressing simultaneously, the milling amount of flange tread metal is few, take the profile of lucky recovery wheel as degree, thereby can increase the finishing number of times of wheel, prolong the wheel life-span; 2, ten to 11 carbide chips can be installed on the milling cutter, improve the utilization rate of blade, simultaneously, not need knife rest and copying device, machine tool structure is simplified greatly, and the consumption of cutter is few, and the cutter expense is low; 3, because milling face can keep very low milling load and very high milling amount, and got final product by one man operation, so, saving of work and time, the efficient height has preferably economic benefit.
Claims (2)
1, a kind of shaping hob that is used for the locomotive wheel finishing, comprise cone (2), cutter hub (5) and cutter hub bearing axle (9), it is characterized in that: cone (2), cutter hub (5) and cutter hub bearing axle (9) are designed to one, the profile of cutter hub (5) is identical with wheel rim wheel tread curve shape, cutter hub (5) is gone up five equilibrium several grooves (10), every group of milling cutter (6) matches with the groove (10) of cutter hub (5), and it is identical with wheel rim wheel tread curve shape, this milling cutter (6) is fixing by set bolt (4), and on every group of milling cutter (6), carbide chip (7) is installed by wheel rim wheel tread curve shape, carbide chip (7) on every group of milling cutter (6) staggers mutually, and fixing by cone bolt (11).
2, shaping hob as claimed in claim 1 is characterized in that: be fixed with blade location-plate (3), (8) at the two ends of cutter hub (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92241103 CN2152627Y (en) | 1992-11-10 | 1992-11-10 | Forming hob for repairing and maintaining locomotive wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92241103 CN2152627Y (en) | 1992-11-10 | 1992-11-10 | Forming hob for repairing and maintaining locomotive wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2152627Y true CN2152627Y (en) | 1994-01-12 |
Family
ID=33781270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92241103 Expired - Fee Related CN2152627Y (en) | 1992-11-10 | 1992-11-10 | Forming hob for repairing and maintaining locomotive wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2152627Y (en) |
-
1992
- 1992-11-10 CN CN 92241103 patent/CN2152627Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |