CN203069608U - Coaxality structure for motor speed test - Google Patents
Coaxality structure for motor speed test Download PDFInfo
- Publication number
- CN203069608U CN203069608U CN 201220654898 CN201220654898U CN203069608U CN 203069608 U CN203069608 U CN 203069608U CN 201220654898 CN201220654898 CN 201220654898 CN 201220654898 U CN201220654898 U CN 201220654898U CN 203069608 U CN203069608 U CN 203069608U
- Authority
- CN
- China
- Prior art keywords
- shaft end
- motor shaft
- motor speed
- coaxality
- little axle
- 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
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a coaxality structure for motor speed test, which comprises a motor shaft end portion, inner threaded holes, a small axle structure, and a fastener, wherein a protruding platform structure is machined on the motor shaft end portion; a plurality of inner threaded holes are formed in the protruding platform; a groove-type structure is arranged at the place where the small axle structure and the motor shaft end portion are connected; and the fastener corresponded to the inner threaded holes is arranged on the groove type structure. The coaxality structure for motor speed test takes advantage of the feature of not high manufacturing precision of loop line contact to the shaft end surface, thereby effectively guaranteeing the coaxality, providing high manufacturability and highly improving producing efficiency.
Description
Technical field
The utility model relates to machine field, relates in particular to motor speed measuring right alignment structure.
Background technology
The measured motor rotating speed is used for the mode of closed-loop speed FEEDBACK CONTROL, adopts the shaft extension end face at anti-drive end to reconnect a little axle that rotates simultaneously with motor shaft usually, and this little axle is one with speed measuring device.Because little axle is very high with the right alignment requirement of motor shaft, thus they interconnect face and mode plays important effect.Traditional way is to adopt high precision machine tool and guarantee than labyrinth, has limited the process conditions means, makes production cost increase efficient and reduces.
Summary of the invention
The purpose of this utility model provides that a kind of manufacturability is simple, production efficiency is high, cost is low, right alignment easily meets the requirements of motor speed measuring right alignment structure.
The utility model is to realize like this, motor speed measuring right alignment structure, comprise motor shaft end, internal thread hole, little axle construction, securing member, it is characterized in that: motor shaft is processed with boss structure on the end, boss is provided with several internal thread holes, the junction of little axle construction and motor shaft end is set to the groove type structure, and the securing member corresponding with internal thread hole is set thereon.
Further, the degree of depth of the groove of described little axle construction is greater than land length 1 ~ 3mm; The interior circular diameter of described little axle construction groove and the difference of outside diameter are less than 6mm.
The utility model utilizes the loop wire contact characteristics not high to the axial end requirement on machining accuracy, has effectively guaranteed right alignment, and very strong manufacturability is arranged, and production efficiency has obtained improving greatly.
Description of drawings
Fig. 1 is the structural representation of motor shaft end in the utility model;
Fig. 2 is the structural representation of the medium and small axle of the utility model.
Among the figure: 1, motor shaft end, 2, boss, 3, internal thread hole, 4, little axle construction,
5, securing member.
Embodiment
Below in conjunction with accompanying drawing this patent is described further
Motor speed measuring right alignment structure, comprise motor shaft end 1, internal thread hole 3, little axle construction 4, securing member 5, it is characterized in that: be processed with boss 2 structures on the motor shaft end 1, can process at one time, the efficient height, boss 2 is provided with several internal thread holes 3 and is used for being connected with little axle construction 4, little axle construction 4 is processed as the groove type structure with the junction of motor shaft end 1, the securing member 5 corresponding with internal thread hole 3 is set, for being connected with motor shaft end 1 thereon; The degree of depth of the groove of described little axle construction 4 guarantees not only that greater than boss 2 length 1 ~ 3mm little axle construction 4 contacts with the tight of motor shaft end 1, and reserves the delivery space of fifth wheel to burr, and shop characteristic is strong; The interior circular diameter of described little axle construction 4 grooves and the difference of outside diameter are less than 6mm, and namely Φ D-Φ d≤6mm makes motor shaft end 1 adopt loop wire to contact with little axle construction 4, thereby reduced the end face requirement on machining accuracy to motor shaft end 1.
Claims (3)
1. motor speed measuring right alignment structure, comprise motor shaft end (1), internal thread hole (3), little axle construction (4), securing member (5), it is characterized in that: be processed with boss (2) structure on motor shaft end (1), boss (2) is provided with several internal thread holes (3), little axle construction (4) is set to the groove type structure with the junction of motor shaft end (1), and the securing member (5) corresponding with internal thread hole (3) is set thereon.
2. motor speed measuring according to claim 1 right alignment structure, it is characterized in that: the degree of depth of the groove of described little axle construction (4) is greater than boss (2) length 1 ~ 3mm.
3. motor speed measuring according to claim 1 right alignment structure, it is characterized in that: the interior circular diameter of described little axle construction (4) groove and the difference of outside diameter are less than 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654898 CN203069608U (en) | 2012-12-04 | 2012-12-04 | Coaxality structure for motor speed test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654898 CN203069608U (en) | 2012-12-04 | 2012-12-04 | Coaxality structure for motor speed test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069608U true CN203069608U (en) | 2013-07-17 |
Family
ID=48768380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220654898 Expired - Fee Related CN203069608U (en) | 2012-12-04 | 2012-12-04 | Coaxality structure for motor speed test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033636A (en) * | 2012-12-04 | 2013-04-10 | 江苏航天动力机电有限公司 | Proper alignment mechanism for testing speed of motor |
-
2012
- 2012-12-04 CN CN 201220654898 patent/CN203069608U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033636A (en) * | 2012-12-04 | 2013-04-10 | 江苏航天动力机电有限公司 | Proper alignment mechanism for testing speed of motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103580370B (en) | Step-by-step linear electric motor | |
| CN203069608U (en) | Coaxality structure for motor speed test | |
| CN203018769U (en) | Liquidity plastic swell-tightening device used for precise part machining | |
| CN103398157A (en) | Method for manufacturing cycloidal gears of cycloidal device of robot RV reducer | |
| CN102862085A (en) | Ball screw driving structure for numerically-controlled machine tool | |
| CN204628438U (en) | A kind of band tooth planet carrier of multistage planet speed reducer | |
| CN201922264U (en) | Axially positioning clamp for bevel gear of connecting shaft | |
| CN204234820U (en) | Half shaft flange one time boring grab | |
| CN203875664U (en) | Quick replacement tool | |
| CN103033636A (en) | Proper alignment mechanism for testing speed of motor | |
| CN201979069U (en) | Mould | |
| CN202271212U (en) | Laterodeviation resisting stop block of fixture | |
| CN202591629U (en) | Main shaft of machine tool | |
| CN203109682U (en) | Pump body machining device | |
| CN201391589Y (en) | Assembled synchronous pulley | |
| CN203412973U (en) | Spline housing precision forging part | |
| CN204843613U (en) | A special process units for multislot processing | |
| CN202137473U (en) | High-precision gear shaping device | |
| CN204692514U (en) | A kind of first speed driven gear | |
| CN204190591U (en) | Step-by-step linear electric motor | |
| CN204068461U (en) | A kind of conical motor rotor assembly | |
| CN203649436U (en) | Cutter for machining bearing | |
| CN203170985U (en) | Transmission shaft | |
| CN203214550U (en) | Copper insert | |
| CN203571392U (en) | Lubricating structure for high-speed swivel bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131204 |