CN104439305A - Boring tool for axle suspension bush of traction motor - Google Patents
Boring tool for axle suspension bush of traction motor Download PDFInfo
- Publication number
- CN104439305A CN104439305A CN201410663771.9A CN201410663771A CN104439305A CN 104439305 A CN104439305 A CN 104439305A CN 201410663771 A CN201410663771 A CN 201410663771A CN 104439305 A CN104439305 A CN 104439305A
- Authority
- CN
- China
- Prior art keywords
- movable tailstock
- electric machine
- traction electric
- tailstock
- center
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
- B23B23/045—Live centres the centres being adjustable
Abstract
The invention belongs to the technical field of machining and provides a boring tool for an axle suspension bush of a traction motor. The boring tool for the axle suspension bush of the traction motor comprises a working table (4), a movable tailstock I (1) and a movable tailstock II (2). The movable tailstock I (1) and the movable tailstock II (2) are matched with corresponding guide rails on the working table (4) respectively through slide blocks arranged on the bottoms of the movable tailstock I (1) and the movable tailstock II (2). A fixed center (5) used for being matched with a central hole in one end of a rotor shaft of the traction motor is installed on the movable tailstock I (1), and a movable center (6) used for being matched with a central hole in the other end of the rotor shaft of the traction motor is installed on the movable tailstock II (2). The boring tool achieves quick boring of the axle suspension bush of the traction motor under the condition of guaranteeing machining accuracy.
Description
Technical field
The invention belongs to Machining Technology field, relate generally to a kind of traction electric machine axle suspension bush boring technological equipment.
Background technology
Traction electric machine is the main motor driving electric locomotive, diesel locomotive, electric vehicle, industrial and mining locomotive, metrocar, city electric car and road vehicle etc. to run, its runnability directly affects hauling ability and the economic and technical norms of rolling stock, is the key equipment on electric driving vehicle.
Because traction electric machine volume is large, quality is large, required precision is high, general boring machine carries out boring processing, there is the problems such as location clamping processing difficulties, the most frequently used processing method adopts special boring mill to carry out boring processing, and make a special processing equipment, not only manufacture, debugging cycle is long, and costly.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to propose a kind of traction electric machine axle suspension bush boring technological equipment.
The present invention adopts following technical scheme for completing foregoing invention object:
A kind of traction electric machine axle suspension bush boring technological equipment, described frock includes workbench, movable tailstock I and movable tailstock II; Described workbench has the guide rail I, the guide rail II that coordinate with movable tailstock I, movable tailstock II respectively, and the dead in line of guide rail I, guide rail II; Described movable tailstock I, movable tailstock II are symmetrical arranged on the table, and coordinate with guide rail corresponding on workbench respectively by the slide block that bottom has, described movable tailstock I, movable tailstock II can be done on the table and move in opposite directions or dorsad; Formed in order to place the space that need process traction electric machine between described movable tailstock I, movable tailstock II; When described movable tailstock I, movable tailstock II move toward one another, clamping traction electric machine, carries out the processing of traction electric machine axle suspension bush, when described movable tailstock I, movable tailstock II move dorsad, unclamps the traction electric machine axle suspension bush after processing; Described movable tailstock I is provided with the stationary center in order to coordinate with the centre bore of traction electric machine armature spindle one end; Described movable tailstock II is provided with the rolling center in order to coordinate with the centre bore of the traction electric machine armature spindle other end; Described stationary center is relative with the termination of rolling center, and the dead in line of described stationary center and rolling center; Rolling center described in correspondence is provided with the regulating handle regulating rolling center flexible, when placing traction electric machine on the table, first stationary center is made to coordinate with the centre bore of traction electric machine armature spindle one end, hold out against, then adjust regulating handle, make rolling center coordinate with the centre bore of the traction electric machine armature spindle other end, hold out against; During use, first on movable tailstock I, movable tailstock II, stationary center, rolling center are installed, and between stationary center, rolling center installation code axle, the depth of parallelism of centering standard axle and machine tool chief axis within 0.02mm, ensure frock do not affect by table plane degree; Standard axle is unloaded after frock adjustment is suitable, traction electric machine is installed, by dial gauge centering bearing shell endoporus and machine tool chief axis axiality within 0.02mm, size mobile machine tool main shaft is to axle suspension bush aperture by drawing, carry out bore hole, rotation platen 180 ° after one end completes, boring other end bearing shell.
The bottom of described workbench is provided with multiple in order to ensure the isometry block that frock is parallel with workbench, and the baseplane that multiple isometry block is formed is parallel with fixing plane that is top, rolling center place, is the Accuracy of finish in order to ensure motor cabinet equally.
A kind of traction electric machine axle suspension bush boring technological equipment that the present invention proposes, employing activity tailstock I, movable tailstock II pair of traction electric machine position clamping, and before being arranged on processing, carry out the standard axle of depth of parallelism calibration, under the condition ensureing machining accuracy, achieve the quick boring of traction electric machine axle suspension bush, and location dimension and the geometric tolerances in rotor axis of electric and axle suspension bush hole can be ensured to greatest extent; Movable tailstock I, movable tailstock II can slide on the table, substantially increase the scope of application of frock, have that structure is simple, easy accessibility, manufacture, debugging cycle is short, working (machining) efficiency is high, processing cost is low feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is using state figure of the present invention.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is the top view of Fig. 4.
In figure: 1, movable tailstock I, 2, movable tailstock II, 3, isometry block, 4, workbench, 5, stationary center, 6, rolling center, 7, traction electric machine, 8, regulating handle.
Detailed description of the invention
With the embodiment provided, structure of the present invention is illustrated further by reference to the accompanying drawings:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of traction electric machine axle suspension bush boring technological equipment, described frock includes workbench 4, movable tailstock I 1 and movable tailstock II 2; Described workbench 4 has the guide rail I, the guide rail II that coordinate with movable tailstock I 1, movable tailstock II 2 respectively, and the dead in line of guide rail I, guide rail II; Described movable tailstock I 1, movable tailstock II 2 are symmetricly set on workbench 4, and coordinate with guide rail corresponding on workbench 4 respectively by the slide block that bottom has, described movable tailstock I 1, movable tailstock II 2 can be done on workbench 4 and move in opposite directions or dorsad; Formed in order to place the space that need process traction electric machine 7 between described movable tailstock I 1, movable tailstock II 2; When described movable tailstock I 1, movable tailstock II 2 move toward one another, clamping traction electric machine 7, carries out the processing of traction electric machine axle suspension bush, when described movable tailstock I 1, movable tailstock II 2 move dorsad, unclamps the traction electric machine axle suspension bush after processing; Described movable tailstock I 1 is provided with the stationary center 5 in order to coordinate with the centre bore of traction electric machine armature spindle one end; Described movable tailstock II 2 is provided with the rolling center 6 in order to coordinate with the centre bore of the traction electric machine armature spindle other end; Described stationary center 5 is relative with the termination of rolling center 6, and the dead in line of described stationary center 5 and rolling center 6; Rolling center 6 described in correspondence is provided with the regulating handle 8 regulating rolling center flexible, when traction electric machine 7 placed by workbench 4, first stationary center 5 is made to coordinate with the centre bore of traction electric machine armature spindle one end, hold out against, then adjust regulating handle 8, make rolling center 6 coordinate with the centre bore of the traction electric machine armature spindle other end, hold out against; Composition graphs 4, Fig. 5, Fig. 6, during use, first on movable tailstock I 1, movable tailstock II 2, stationary center 5, rolling center 6 are installed, and between stationary center 5, rolling center 6 installation code axle, the depth of parallelism of centering standard axle and machine tool chief axis, within 0.02mm, ensures that frock does not affect by table plane degree; Standard axle is unloaded after frock adjustment is suitable, traction electric machine 7 is installed, first stationary center 5 is adjusted in the centre bore of rotor axis of electric one end, rolling center 6 is made to withstand in traction electric machine 7 armature spindle other end centre bore by rotating regulating handle, then by other auxiliary mould adjustment traction electric machine 7, by dial gauge centering bearing shell endoporus and machine tool chief axis axiality within 0.02mm, vibrationproof numerical control boring cutter is installed, size mobile machine tool main shaft is to axle suspension bush aperture by drawing, carry out bore hole, rotation platen 180 ° of boring other end bearing shells after one end completes.
The bottom of described workbench is provided with six in order to ensure the isometry block 3 that frock is parallel with workbench, and the baseplane that six isometry blocks 3 are formed is parallel with fixing plane that is top, rolling center place, is the Accuracy of finish in order to ensure motor cabinet equally.
Claims (2)
1. a traction electric machine axle suspension bush boring technological equipment, is characterized in that: described frock includes workbench (4), movable tailstock I (1) and movable tailstock II (2); Described workbench (4) has the guide rail I, the guide rail II that coordinate with movable tailstock I (1), movable tailstock II (2) respectively, and the dead in line of guide rail I, guide rail II; Described movable tailstock I (1), movable tailstock II (2) are symmetricly set on workbench (4), and coordinate with the upper corresponding guide rail of workbench (4) respectively by the slide block that bottom has, described movable tailstock I (1), movable tailstock II (2) can be done on workbench (4) and move in opposite directions or dorsad; Formed in order to place the space that need process traction electric machine (7) between described movable tailstock I (1), movable tailstock II (2); When described movable tailstock I (1), movable tailstock II (2) move toward one another, clamping traction electric machine (7), carry out the processing of traction electric machine axle suspension bush, when described movable tailstock I (1), movable tailstock II (2) move dorsad, unclamp the traction electric machine axle suspension bush after processing; Described movable tailstock I (1) is provided with the stationary center (5) in order to coordinate with the centre bore of traction electric machine armature spindle one end; Described movable tailstock II (2) is provided with the rolling center (6) in order to coordinate with the centre bore of the traction electric machine armature spindle other end; Described stationary center (5) is relative with the termination of rolling center (6), and the dead in line of described stationary center (5) and rolling center (6); Rolling center (6) described in correspondence is provided with the regulating handle (8) regulating rolling center flexible, when workbench (4) is placed traction electric machine (7), first stationary center (5) is made to coordinate with the centre bore of traction electric machine armature spindle one end, hold out against, then adjust regulating handle (8), make rolling center (6) coordinate with the centre bore of the traction electric machine armature spindle other end, hold out against; During use, first on movable tailstock I (1), movable tailstock II (2), stationary center (5), rolling center (6) are installed, and between stationary center (5), rolling center (6) installation code axle, the depth of parallelism of centering standard axle and machine tool chief axis, within 0.02mm, ensures that frock does not affect by table plane degree; Standard axle is unloaded after frock adjustment is suitable, traction electric machine (7) is installed, by the axiality of dial gauge centering bearing shell endoporus and machine tool chief axis within 0.02m, size mobile machine tool main shaft is to axle suspension bush aperture by drawing, carry out bore hole, rotation platen 180 ° after one end completes, boring other end bearing shell.
2. traction electric machine axle suspension bush boring technological equipment according to claim 1, it is characterized in that: the bottom of described workbench is provided with multiple in order to ensure the isometry block (3) that frock is parallel with workbench, and the baseplane that multiple isometry block (3) is formed is parallel with fixing plane that is top, rolling center place, is the Accuracy of finish in order to ensure motor cabinet equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663771.9A CN104439305A (en) | 2014-11-20 | 2014-11-20 | Boring tool for axle suspension bush of traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663771.9A CN104439305A (en) | 2014-11-20 | 2014-11-20 | Boring tool for axle suspension bush of traction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104439305A true CN104439305A (en) | 2015-03-25 |
Family
ID=52886492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410663771.9A Pending CN104439305A (en) | 2014-11-20 | 2014-11-20 | Boring tool for axle suspension bush of traction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458430A (en) * | 2021-07-06 | 2021-10-01 | 南京工程学院 | Special pin hole fine boring machine for crank shaft |
-
2014
- 2014-11-20 CN CN201410663771.9A patent/CN104439305A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458430A (en) * | 2021-07-06 | 2021-10-01 | 南京工程学院 | Special pin hole fine boring machine for crank shaft |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |