CN204559309U - Dynamo-electric linear drive apparatus - Google Patents
Dynamo-electric linear drive apparatus Download PDFInfo
- Publication number
- CN204559309U CN204559309U CN201520295871.0U CN201520295871U CN204559309U CN 204559309 U CN204559309 U CN 204559309U CN 201520295871 U CN201520295871 U CN 201520295871U CN 204559309 U CN204559309 U CN 204559309U
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- CN
- China
- Prior art keywords
- rotation axis
- cylindrical shell
- shifting axle
- dynamo
- drive apparatus
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Abstract
A kind of dynamo-electric linear drive apparatus, comprise the cylindrical shell of hollow, rear end cap is fixed on the rear end of cylindrical shell by adpting flange, front end housing is fixed on barrel front end by adpting flange, rotation axis is provided with in described cylindrical shell, the two ends of described rotation axis by bearings to be rotated, shifting axle is provided with in described rotation axis, described shifting axle stretches out from the front end of rotation axis and the front end of front end housing successively, the inner surface of described cylindrical shell is provided with stator winding, the outer surface correspondence of described rotation axis is provided with rotor windings, the inner surface of described rotation axis is provided with internal thread, the rear end of described shifting axle is provided with and is engaged in internal thread to carry out the screw rod transmission assembly moved forward and backward when rotation axis rotates, thus, the utility model structure is simple, easy to operate, takes up an area little, and drives accurately, and rectilinear movement precision is high.
Description
Technical field
The utility model relates to the technical field of linear drives, particularly relates to a kind of dynamo-electric linear drive apparatus.
Background technology
Along with industrial expansion, the occasion utilize linear drives to carry out pushing away, to draw, being elevated gets more and more, and range of application is also more and more extensive, but also more and more higher to the requirement of its size, precision.
Therefore how to develop the higher dynamo-electric linear drive apparatus of cost performance, become one of current urgent need.
For this reason, designer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of dynamo-electric linear drive apparatus, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of dynamo-electric linear drive apparatus, and its structure is simple, easy to operate, realize linear drives accurately, and precision is good, widely applicable.
For solving the problem, the utility model discloses a kind of dynamo-electric linear drive apparatus, comprise the cylindrical shell of hollow, rear end cap is fixed on the rear end of cylindrical shell by adpting flange, and front end housing is fixed on barrel front end by adpting flange, it is characterized in that:
Be provided with rotation axis in described cylindrical shell, the two ends of described rotation axis to be rotated, are provided with shifting axle in described rotation axis by bearings, and described shifting axle stretches out from the front end of rotation axis and the front end of front end housing successively,
The inner surface of described cylindrical shell is provided with stator winding, the outer surface correspondence of described rotation axis is provided with rotor windings, the inner surface of described rotation axis is provided with internal thread, and the rear end of described shifting axle is provided with and is engaged in internal thread to carry out the screw rod transmission assembly moved forward and backward when rotation axis rotates.
Wherein: described screw rod transmission assembly is planetary ball screw rod transmission assembly, its comprise centre be fixed on shifting axle screw mandrel and around screw mandrel periphery arrange multiple roller and roller rolling retainer, described roller is rotatable to be fixed on roller rolling retainer and to be engaged in the internal thread of rotation axis and the external screw thread of screw mandrel respectively.
Wherein: the inner surface of described cylindrical shell is provided with photoelectric encoder, the outer surface correspondence of described rotation axis is provided with photocurrent generator.
Wherein: described front end housing is provided with the seal groove of annular for the through hole that shifting axle places, and is equipped with O RunddichtringO and seals in described seal groove.
Known by said structure, dynamo-electric linear drive apparatus of the present utility model has following effect:
1, structure is simple, and easy to operate, take up an area little, utilance is large;
2, drive accurately, rectilinear movement precision is high.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the structural representation of dynamo-electric linear drive apparatus of the present utility model.
Reference numeral:
11, cylindrical shell; 12, rear end cap; 13, front end housing; 14, seal groove; 15, rotation axis; 16, shifting axle; 17, stator winding; 18, rotor windings; 19, screw rod transmission assembly; 20, brake apparatus; 21, O RunddichtringO; 22, sealing ring; 23, photoelectric encoder; 24, photocurrent generator.
Embodiment
See Fig. 1, show dynamo-electric linear drive apparatus of the present utility model.
Described dynamo-electric linear drive apparatus comprises the cylindrical shell 11 of hollow, the two ends of described cylindrical shell 11 are outward extended with adpting flange respectively, rear end cap 12 is fixed on the rear end of cylindrical shell 11 by adpting flange, front end housing 13 is fixed on cylindrical shell 11 front end by adpting flange, rotation axis 15 is provided with in described cylindrical shell 11, the two ends of described rotation axis 15 by bearings to be rotated, shifting axle 16 is provided with in described rotation axis, described shifting axle 16 stretches out from the front end of the front end of rotation axis 15 and front end housing 13 successively, and described front end housing 13 is provided with the seal groove 14 of annular for the through hole that shifting axle 16 places, be equipped with O RunddichtringO 21 in described seal groove 14 to seal, avoid entering of dust and from external contaminants.
For realizing the movement of shifting axle, the inner surface of described cylindrical shell 11 is provided with stator winding 17, the outer surface correspondence of described rotation axis 15 is provided with rotor windings 18, to drive rotation axis 15 to rotate by stator winding and rotor windings, the inner surface of described rotation axis 15 is provided with internal thread, the rear end of described shifting axle 16 is provided with screw rod transmission assembly 19, described screw rod transmission assembly 19 engageable in internal thread to move forward and backward when rotation axis 15 rotates, optionally, described screw rod transmission assembly 19 is planetary ball screw rod transmission assembly, its comprise centre be fixed on shifting axle 16 screw mandrel and around screw mandrel periphery arrange multiple roller and roller rolling retainer, described roller is rotatable to be fixed on roller rolling retainer and to be engaged in the internal thread of rotation axis 15 and the external screw thread of screw mandrel respectively, thus formation Gear Planet Transmission, roller is when rotation axis 15 rotates, multiple roller revolution, the moving axis 15 that simultaneously rotates revolves round the sun, also drive shifting axle 16 to carry out rectilinear motion simultaneously, thus effectively avoid lateral twisting.
Wherein, the inner surface of described cylindrical shell 11 is provided with photoelectric encoder 23, and the outer surface correspondence of described rotation axis 15 is provided with photocurrent generator 24, thus counts accurately by photoelectric encoder, realizes controlling accurately.
Wherein, the rear end of described rotation axis 15 is provided with brake apparatus 20, in case of emergency to brake.
Wherein, the inner edge of described leading portion lid 13 to be stretched in described cylindrical shell 11 and is provided with sealing ring 22 between the two.
As can be seen here, the utility model has the advantage of:
1, structure is simple, and easy to operate, take up an area little, utilance is large;
2, drive accurately, rectilinear movement precision is high.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of specification and the appended claim fallen into above.
Claims (4)
1. a dynamo-electric linear drive apparatus, comprises the cylindrical shell of hollow, and rear end cap is fixed on the rear end of cylindrical shell by adpting flange, and front end housing is fixed on barrel front end by adpting flange, it is characterized in that:
Be provided with rotation axis in described cylindrical shell, the two ends of described rotation axis to be rotated, are provided with shifting axle in described rotation axis by bearings, and described shifting axle stretches out from the front end of rotation axis and the front end of front end housing successively,
The inner surface of described cylindrical shell is provided with stator winding, the outer surface correspondence of described rotation axis is provided with rotor windings, the inner surface of described rotation axis is provided with internal thread, and the rear end of described shifting axle is provided with and is engaged in internal thread to carry out the screw rod transmission assembly moved forward and backward when rotation axis rotates.
2. dynamo-electric linear drive apparatus as claimed in claim 1, it is characterized in that: described screw rod transmission assembly is planetary ball screw rod transmission assembly, its comprise centre be fixed on shifting axle screw mandrel and around screw mandrel periphery arrange multiple roller and roller rolling retainer, described roller is rotatable to be fixed on roller rolling retainer and to be engaged in the internal thread of rotation axis and the external screw thread of screw mandrel respectively.
3. dynamo-electric linear drive apparatus as claimed in claim 1, is characterized in that: the inner surface of described cylindrical shell is provided with photoelectric encoder, the outer surface correspondence of described rotation axis is provided with photocurrent generator.
4. dynamo-electric linear drive apparatus as claimed in claim 1, is characterized in that: described front end housing is provided with the seal groove of annular for the through hole that shifting axle places, and is equipped with O RunddichtringO and seals in described seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295871.0U CN204559309U (en) | 2015-05-08 | 2015-05-08 | Dynamo-electric linear drive apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295871.0U CN204559309U (en) | 2015-05-08 | 2015-05-08 | Dynamo-electric linear drive apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559309U true CN204559309U (en) | 2015-08-12 |
Family
ID=53834379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520295871.0U Expired - Fee Related CN204559309U (en) | 2015-05-08 | 2015-05-08 | Dynamo-electric linear drive apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204559309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134479A (en) * | 2017-12-22 | 2018-06-08 | 李宏爽 | A kind of electric driven propelling rod |
| WO2019119397A1 (en) * | 2017-12-22 | 2019-06-27 | 李宏爽 | Novel electric push rod |
-
2015
- 2015-05-08 CN CN201520295871.0U patent/CN204559309U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134479A (en) * | 2017-12-22 | 2018-06-08 | 李宏爽 | A kind of electric driven propelling rod |
| WO2019119397A1 (en) * | 2017-12-22 | 2019-06-27 | 李宏爽 | Novel electric push rod |
| CN108134479B (en) * | 2017-12-22 | 2019-07-16 | 深圳市精艺精汽车配件有限公司 | A kind of electric driven propelling rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180508 |