CN113059518A - Auxiliary assembly device for large engine rotor - Google Patents
Auxiliary assembly device for large engine rotor Download PDFInfo
- Publication number
- CN113059518A CN113059518A CN202110283279.9A CN202110283279A CN113059518A CN 113059518 A CN113059518 A CN 113059518A CN 202110283279 A CN202110283279 A CN 202110283279A CN 113059518 A CN113059518 A CN 113059518A
- Authority
- CN
- China
- Prior art keywords
- coaxial
- disc
- limiting
- coaxial limiting
- installation
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses an auxiliary assembly device for a large-scale engine rotor, which comprises a coaxial limiting installation disc, a coaxial limiting drive disc, a coaxial limiting slider, a coaxial limiting drive gear, a pull piece and a servo motor, wherein the lower section of the inner wall surface of the coaxial limiting installation disc is provided with an internal thread, the upper section of the outer wall surface of the coaxial limiting drive disc is provided with an external thread matched with the coaxial limiting installation disc, the coaxial limiting installation disc and the coaxial limiting drive disc are connected in a thread fit way, the upper section of the inner wall surface of the coaxial limiting installation disc is provided with a slider installation groove, the coaxial limiting slider is arranged in the slider installation groove, an inclined surface is arranged in the slider installation groove, the coaxial limiting slider is provided with a conical surface matched with the inclined surface of the slider installation groove, the inclined surface of the slider installation groove is attached to the conical, the pulling-on piece card realizes that coaxial spacing driving-disc, coaxial spacing slider are connected on annular boss, and coaxial spacing driving-disc bottom sets up and coaxial spacing drive gear complex external tooth, through external tooth and drive gear meshing, coaxial spacing drive gear is connected with servo motor.
Description
Technical Field
The invention relates to the technical field of assembly of aero-engine rotors, in particular to an auxiliary assembly device for a large-scale engine rotor.
Background
The rotor system of the engine comprises a rotor structure, a rotor supporting scheme and a rotor supporting structure, wherein parts of the rotor are accurately centered and reliably connected, the rigidity is good, and the deformation is small under the action of inertia force and inertia moment, so that the rotor works stably, and the vibration of the engine is reduced. For a double-pivot supporting structure of a large rotor, because the distance of a supporting point is long, the integral size is large, and the requirement on the clearance of a rotor and a stator is high, it is very difficult to ensure the accurate centering of the rotor in the assembling process.
In order to solve the above problems, a large-sized rotor auxiliary assembly device needs to be provided.
Disclosure of Invention
The purpose of the invention is as follows: the auxiliary assembly device for the large-sized engine rotor is provided, so that the accurate positioning of the rotor positioning center is realized, and the assembly requirement of the large-sized engine rotor is met.
The technical scheme of the invention is as follows:
an auxiliary assembly device for a large-scale engine rotor comprises a coaxial limiting installation disc 1, a coaxial limiting drive disc 2, a coaxial limiting slide block 3, a coaxial limiting drive gear 4, a pulling piece 6, a servo motor 7 and a limiting bearing 9, wherein the coaxial limiting installation disc 1 is of an internal hollow structure, an internal thread 11 is arranged at the lower section of the inner wall surface of the coaxial limiting installation disc 1, an external thread 14 matched with the coaxial limiting installation disc 1 is arranged at the upper section of the outer wall surface of the coaxial limiting drive disc 2, the coaxial limiting installation disc 1 and the coaxial limiting drive disc 2 are connected in a thread fit manner, a plurality of slide block installation grooves which are uniformly distributed are arranged at the upper section of the inner wall surface of the coaxial limiting installation disc 1, the coaxial limiting slide block 3 is arranged in the slide block installation groove, an inclined surface 12 is arranged in the slide block installation groove, the coaxial limiting slide block 3 is provided with a, the inclined plane 12 of slider mounting groove laminate with coaxial limiting slide 3's conical surface 15, 3 bottoms of coaxial limiting slide be provided with pulling-on piece 6, 2 tops of coaxial limiting drive-disc be provided with an annular boss, pulling-on piece 6 card in annular boss on, realize that coaxial limiting drive-disc 2, coaxial limiting slide 3 are connected, 2 bottoms of coaxial limiting drive-disc set up with coaxial limiting drive gear 4 complex external tooth 13, through external tooth 13 and drive gear 4 meshing, coaxial limiting drive gear 4 be connected with servo motor 7.
Further, the slider mounting groove be 3, inside the setting of every slider mounting groove is coaxial spacing slider 3.
Further, still include servo motor mount pad 5, servo motor mount pad 5 be both ends open-ended cavity structures, its upper end open-ended terminal surface is connected with coaxial spacing mounting disc 1, lower extreme open-ended terminal surface is connected with servo motor 7, coaxial spacing drive gear 4 set up inside servo motor mount pad 5.
Further, still include antifriction bearing 8, antifriction bearing 8 outer ring fix on coaxial spacing mounting disc 1, the inner ring is connected with coaxial spacing drive gear 4.
Furthermore, the internal thread 11 at the lower section of the inner wall surface of the coaxial limiting installation disc 1 is a T-shaped internal thread, and the external thread 14 on the outer wall surface of the coaxial limiting drive disc 2 is also a T-shaped external thread.
Furthermore, the coaxial limiting driving gear 4 and the servo motor 7 are provided with flat key grooves with opposite positions, and the coaxial limiting driving gear 4 is connected with the servo motor 7 through a flat key 10.
Further, the coaxial limiting installation disc 1 is externally provided with an installation table, through holes uniformly distributed along the installation table are formed in the installation table, and the coaxial limiting installation disc 1 is installed on the stator assembly 16.
Further, the coaxial limiting slide block 3 is provided with a bearing installation platform, and the limiting bearing 9 is installed on the bearing installation platform.
The invention has the beneficial effects that: the invention provides an auxiliary assembly device for a large rotor, which is characterized in that a flat key, a coaxial limiting driving gear and a coaxial limiting driving disk gear are in matched transmission through servo motor control, the central positions of three limiting bearings are adjusted, and the axis of the rotor is clamped, so that the positioning center of the rotor is accurately adjusted, the accurate positioning of the large rotor is completed, and the assembly of the large rotor of an engine is realized.
Drawings
FIG. 1 is a schematic view of the structure of an auxiliary assembling apparatus of the present invention;
FIG. 2 is a schematic structural view of the coaxial spacing mounting plate of the present invention;
FIG. 3 is a schematic structural view of a coaxial positioning drive disk of the present invention;
FIG. 4 is a schematic structural view of the coaxial position-limiting slider of the present invention;
FIG. 5 is a schematic view of an assembled structure of the present invention in use;
wherein: 1. coaxial spacing mounting disc, 2, coaxial spacing driving-disc, 3, coaxial spacing slider, 4, coaxial spacing drive gear, 5, servo motor mount pad, 6, pulling-on piece, 7, servo motor, 8, antifriction bearing, 9, spacing bearing, 10, parallel key, 11, internal thread, 12, inclined plane, 13, external tooth, 14, external screw thread, 15, conical surface, 16, stator subassembly, 17, rotor shaft.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes and the operation and use methods thereof, will be further described in detail with reference to the accompanying drawings, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention:
as shown in figure 1, the auxiliary assembly device for the large-scale engine rotor comprises a coaxial limiting mounting disc 1, a coaxial limiting driving disc 2, a coaxial limiting sliding block 3, a coaxial limiting driving gear 4, a servo motor mounting seat 5, a pulling piece 6, a servo motor 7, a rolling bearing 8, a limiting bearing 9, a flat key 10, an internal thread 11, an inclined plane 12, external teeth 13, external threads 14, a conical surface 15, a stator component 16 and a rotor shaft 17.
As shown in fig. 2, the coaxial position-limiting mounting disk 1 is a hollow structure, the hollow structure is used for assembling a rotor shaft 17, an internal thread 11 is arranged on the lower section of the inner wall surface of the coaxial position-limiting mounting disk, a plurality of slider mounting grooves which are uniformly distributed are uniformly arranged on the upper section of the inner wall surface of the coaxial position-limiting mounting disk 2, the invention preferably adopts 3 mounting grooves, the inner side wall surface of each slider mounting groove is an inclined surface 12, an annular mounting table is arranged outside the coaxial position-limiting mounting disk 1, through holes which are uniformly distributed along the mounting table are arranged on the mounting table, and the coaxial position-limiting mounting disk 1 is mounted on a stator component 16 by penetrating through the through holes through bolts.
As shown in fig. 3, the coaxial limiting driving disk 2 is also of an internal aerial structure, the outer diameter of the coaxial limiting driving disk 2 is matched with the outer diameter of the lower portion of the coaxial limiting mounting disk 1, the upper section of the outer wall surface of the coaxial limiting driving disk 2 is provided with an external thread 14 matched with the coaxial limiting mounting disk 1, the coaxial limiting mounting disk 1 and the coaxial limiting driving disk 2 are connected in a thread fit manner, the internal thread 11 of the lower section of the inner wall surface of the coaxial limiting mounting disk 1 is a T-shaped internal thread, the external thread 14 of the outer wall surface of the coaxial limiting driving disk 2 is also a T-shaped external thread, the top of the coaxial limiting driving disk 2 is provided with an annular boss for being clamped and connected with the pull piece 6, the bottom of the coaxial limiting driving disk 2 is provided with an annular external tooth 13, and.
As shown in fig. 4, the coaxial limiting slide block 3 is arranged in the slide block mounting groove of the coaxial limiting mounting disc 1, the coaxial limiting slide block 3 is provided with a conical surface 15 matched with the inclined surface 12 of the slide block mounting groove, the inclined surface 12 of the slide block mounting groove is attached to the conical surface 15 of the coaxial limiting slide block 3, the bottom of the coaxial limiting slide block 3 is provided with a pulling-on piece 6, the pulling-on piece 6 is in an upward hook shape, six pieces are uniformly arranged at the bottom of the coaxial limiting slide block 3, the pulling-on piece 6 is clamped on the annular boss to realize the connection of the coaxial limiting drive disc 2 and the coaxial limiting slide block 3, the coaxial limiting slide block 3 is provided with a bearing mounting table, and the limiting bearing 9 is mounted on the bearing mounting table through bolts.
As shown in fig. 1, the servo motor mounting seat 5 is a hollow cavity structure with two open ends, the end face of the upper end is connected with the coaxial limiting mounting disc 1, the end face of the lower end is connected with the servo motor 7, the coaxial limiting driving gear 4 is arranged inside the servo motor mounting seat 5, the outer ring of the rolling bearing 8 is fixed on the coaxial limiting mounting disc 1, the inner ring is connected with the coaxial limiting driving gear 4, flat key grooves with opposite positions are arranged on the coaxial limiting driving gear 4 and the servo motor 7, and the coaxial limiting driving gear 4 is connected with the servo motor 7 through a flat key 10.
The coaxial limiting installation disc 1 is a bearing component for auxiliary assembly, a T-shaped internal thread 11 is arranged at the lower part of the inner part of the coaxial limiting installation disc 1 and is used as a rising track of the coaxial limiting drive disc 2, an inclined plane 12 with a certain cone angle is arranged at the upper part of the inner part of the coaxial limiting installation disc and is used as a rising track of 3 coaxial limiting sliding blocks 3, through holes with uniform circumference are arranged at the outer part of the coaxial limiting installation disc, and the whole structure is installed on a stator component 16; the coaxial limiting driving disc 2 is a main transmission component for auxiliary assembly, a T-shaped external thread 14 matched with the coaxial limiting mounting disc 1 is arranged above the outer part of the coaxial limiting driving disc and can rotate up and down, and external teeth 13 matched with the coaxial limiting driving gear 4 are arranged below the outer part of the coaxial limiting driving disc and are used for driving the driving gear 4 to transmit torque; the coaxial limiting slide block 3 is provided with a conical surface 15 matched with the coaxial limiting mounting disc 1, so that the coaxial limiting slide block 3 can slide up and down on the conical surface 15, 3 parts are arranged, and the positions of the limiting bearings 9 are respectively adjusted so as to clamp the rotor shaft 17; the outer part of the coaxial limiting driving gear 4 is provided with external teeth 13 matched with the coaxial limiting driving disk 2, and a flat key groove is arranged below the shaft part of the coaxial limiting driving gear 4; the servo motor mounting seat 5 is provided with through holes at the upper part and the lower part respectively for fixing the servo motor 7 and is fixed on the coaxial limiting mounting plate 1; every two of the pulling pieces 6 are fixed on the coaxial limiting slide block 3, so that the coaxial limiting drive disc 2 can pull the coaxial limiting slide block 3 to realize the up-and-down sliding of the coaxial limiting slide block 3; the servo motor 7 is a driving mechanism of the auxiliary assembly device and drives the coaxial limiting driving gear 4 to enable the whole structure to operate and realize functions; the rolling bearing 8 fixes the coaxial limit driving gear 4 to realize the rotation of the coaxial limit driving gear 4; the limiting bearings 9 are 3 in number, are respectively fixed on the coaxial limiting sliding blocks 3, move up and down along with the sliding blocks and are used for clamping the rotor shaft 17 and determining the center of the rotor shaft; the flat key 10 is installed in the flat key groove and used for transmitting the torque of the motor.
As shown in fig. 5, during the process of assembling the rotor, the servo motor 7 drives the coaxial limiting driving gear 4, the coaxial limiting driving gear 4 drives the coaxial limiting driving disk 2, the coaxial limiting driving disk 2 rises or falls along the thread track to drive the coaxial limiting slider 3 to move up and down, and the limiting bearing fixed on the coaxial limiting slider 3 can accurately control the center of the rotor, clamp the rotor shaft 17 and realize the centering assembly of the rotor shaft 17. The invention is controlled by the servo motor 7, the flat key 10, the coaxial limit driving gear 4 and the coaxial limit driving disk 2 are in gear fit transmission, the central positions of the three limit bearings 9 are adjusted, and the center of the rotor shaft 17 is clamped, so that the positioning center of the rotor is accurately adjusted, the accurate positioning of the large rotor is completed, and the assembly of the large rotor of the engine is realized.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
1. The utility model provides a large-scale engine rotor assists assembly quality which characterized in that: comprises a coaxial limiting installation disc (1), a coaxial limiting driving disc (2), a coaxial limiting sliding block (3), a coaxial limiting driving gear (4), a pulling sheet (6) and a servo motor (7), wherein the coaxial limiting installation disc (1) is of an internal hollow structure, an internal thread (11) is arranged at the lower section of the inner wall surface of the coaxial limiting driving disc, an external thread (14) matched with the coaxial limiting installation disc (1) is arranged at the upper section of the outer wall surface of the coaxial limiting driving disc (2), the coaxial limiting installation disc (1) and the coaxial limiting driving disc (2) are connected in a thread fit way, a plurality of sliding block installation grooves which are uniformly distributed are arranged at the upper section of the inner wall surface of the coaxial limiting installation disc (1), the coaxial limiting sliding block (3) is arranged in the sliding block installation grooves, an inclined surface (12) is arranged in the sliding block installation grooves, the coaxial limiting sliding block (3) is provided with a conical surface (15, inclined plane (12) of slider mounting groove laminate with conical surface (15) of coaxial spacing slider (3), coaxial spacing slider (3) bottom be provided with pulling-on piece (6), coaxial spacing driving-disc (2) top be provided with an annular boss, pulling-on piece (6) card in annular boss on, realize that coaxial spacing driving-disc (2), coaxial spacing slider (3) are connected, coaxial spacing driving-disc (2) bottom set up with coaxial spacing drive gear (4) complex external tooth (13), through external tooth (13) and drive gear (4) meshing, coaxial spacing drive gear (4) be connected with servo motor (7).
2. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the number of the sliding block mounting grooves is 3, and a coaxial limiting sliding block (3) is arranged in each sliding block mounting groove.
3. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: still include servo motor mount pad (5), servo motor mount pad (5) be both ends open-ended cavity structures, its upper end open-ended terminal surface is connected with coaxial spacing mounting disc (1), lower extreme open-ended terminal surface is connected with servo motor (7), coaxial spacing drive gear (4) set up inside servo motor mount pad (5).
4. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the device is characterized by further comprising a rolling bearing (8), wherein the outer ring of the rolling bearing (8) is fixed on the coaxial limiting mounting disc (1), and the inner ring is connected with the coaxial limiting driving gear (4).
5. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the internal thread (11) at the lower section of the inner wall surface of the coaxial limiting mounting disc (1) is a T-shaped internal thread, and the external thread (14) on the outer wall surface of the coaxial limiting driving disc (2) is also a T-shaped external thread.
6. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the coaxial limiting driving gear (4) and the servo motor (7) are provided with flat key grooves with opposite positions, and the coaxial limiting driving gear (4) is connected with the servo motor (7) through a flat key (10).
7. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the coaxial limiting installation disc (1) is externally provided with an installation table, through holes which are uniformly distributed along the installation table are formed in the installation table, and the coaxial limiting installation disc (1) is installed on the stator assembly (16).
8. A large-sized engine rotor auxiliary assembling device according to claim 1, wherein: the coaxial limiting slide block (3) is provided with a bearing mounting table, and the bearing mounting table is provided with a limiting bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283279.9A CN113059518B (en) | 2021-03-16 | 2021-03-16 | Auxiliary assembly device for large engine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283279.9A CN113059518B (en) | 2021-03-16 | 2021-03-16 | Auxiliary assembly device for large engine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113059518A true CN113059518A (en) | 2021-07-02 |
| CN113059518B CN113059518B (en) | 2022-11-08 |
Family
ID=76560813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283279.9A Active CN113059518B (en) | 2021-03-16 | 2021-03-16 | Auxiliary assembly device for large engine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113059518B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384346A (en) * | 2001-05-07 | 2002-12-11 | 阿克罗恩特种机械公司 | Driver for tyre homogeneity testing instrument |
| CN101659013A (en) * | 2009-09-07 | 2010-03-03 | 奇瑞汽车股份有限公司 | Automatic spreading and linking clamping mechanism |
| CN201887615U (en) * | 2010-12-24 | 2011-06-29 | 芜湖瑞诺威汽车电器系统有限公司 | Tool for assembling stator with rotor of permanent magnet motor |
| US20140069145A1 (en) * | 2012-09-13 | 2014-03-13 | General Electric Company | Assembly and method for shifting between modes of operation for a washing machine appliance |
| CN104440779A (en) * | 2014-11-07 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Stop device of engine rotor and stator tightened part and use method of stop device of engine rotor and stator tightened part |
| CN204585047U (en) * | 2015-04-28 | 2015-08-26 | 武汉重型机床集团有限公司 | A kind of auxiliary mould structure of electro spindle assembling |
| CN106877582A (en) * | 2015-10-19 | 2017-06-20 | 戴博邦浦股份有限公司 | For the device for assembling magneto, the motor and electrodynamic pump that are made up of the device |
| CN206780242U (en) * | 2017-05-24 | 2017-12-22 | 中国第一汽车股份有限公司 | Power motor rotor spline assembling positioner |
| CN108747510A (en) * | 2018-09-11 | 2018-11-06 | 上海电气集团上海电机厂有限公司 | A kind of processing tool of large synchronous motor armature spindle herringbone magnet steel mounting groove |
| CN209578732U (en) * | 2019-03-19 | 2019-11-05 | 中国航发上海商用航空发动机制造有限责任公司 | Rotate the tooling and force limiting device of Turbomachine Rotor inner cavity |
| CN211890537U (en) * | 2020-03-23 | 2020-11-10 | 安徽上勤电子科技有限公司 | Rotor processing soldering lug positioner |
-
2021
- 2021-03-16 CN CN202110283279.9A patent/CN113059518B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384346A (en) * | 2001-05-07 | 2002-12-11 | 阿克罗恩特种机械公司 | Driver for tyre homogeneity testing instrument |
| CN101659013A (en) * | 2009-09-07 | 2010-03-03 | 奇瑞汽车股份有限公司 | Automatic spreading and linking clamping mechanism |
| CN201887615U (en) * | 2010-12-24 | 2011-06-29 | 芜湖瑞诺威汽车电器系统有限公司 | Tool for assembling stator with rotor of permanent magnet motor |
| US20140069145A1 (en) * | 2012-09-13 | 2014-03-13 | General Electric Company | Assembly and method for shifting between modes of operation for a washing machine appliance |
| CN104440779A (en) * | 2014-11-07 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Stop device of engine rotor and stator tightened part and use method of stop device of engine rotor and stator tightened part |
| CN204585047U (en) * | 2015-04-28 | 2015-08-26 | 武汉重型机床集团有限公司 | A kind of auxiliary mould structure of electro spindle assembling |
| CN106877582A (en) * | 2015-10-19 | 2017-06-20 | 戴博邦浦股份有限公司 | For the device for assembling magneto, the motor and electrodynamic pump that are made up of the device |
| CN206780242U (en) * | 2017-05-24 | 2017-12-22 | 中国第一汽车股份有限公司 | Power motor rotor spline assembling positioner |
| CN108747510A (en) * | 2018-09-11 | 2018-11-06 | 上海电气集团上海电机厂有限公司 | A kind of processing tool of large synchronous motor armature spindle herringbone magnet steel mounting groove |
| CN209578732U (en) * | 2019-03-19 | 2019-11-05 | 中国航发上海商用航空发动机制造有限责任公司 | Rotate the tooling and force limiting device of Turbomachine Rotor inner cavity |
| CN211890537U (en) * | 2020-03-23 | 2020-11-10 | 安徽上勤电子科技有限公司 | Rotor processing soldering lug positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113059518B (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218452748U (en) | Riveting device for bearing production | |
| CN110369986B (en) | Automatic assembling device for micro thread pair | |
| CN113059518B (en) | Auxiliary assembly device for large engine rotor | |
| CN114227314B (en) | Automatic clamping device for metal product processing | |
| CN114147266B (en) | Clamping device and method for wind power gear box cover | |
| CN212824012U (en) | Two-dimensional rotating tool device | |
| CN210475122U (en) | Multi-point deflection compensation mechanism of bending machine | |
| US8549946B2 (en) | Elastic couple barring apparatus | |
| CN211699998U (en) | Following mechanism for winding coil of induction cooker | |
| CN219946116U (en) | Working platform for slewing bearing machining | |
| CN220210197U (en) | Rotor core assembly equipment | |
| CN217633777U (en) | Speed reducer shell convenient to adjust | |
| CN217713514U (en) | Multi-stage gear transmission mechanism with adjustable center distance | |
| CN220501970U (en) | Arm that moves that possesses centre gripping locate function | |
| CN219404056U (en) | Positioning device for gear box machining | |
| CN214154257U (en) | Differential driving mechanism | |
| CN215697237U (en) | Accurate conversion equipment of car ball cage holder | |
| CN115446280B (en) | Casting device for rotating shaft casting of wind driven generator | |
| CN216758950U (en) | New energy automobile's cast aluminium rotor positioner | |
| CN219901210U (en) | Cutting equipment for automobile fastener | |
| CN216435669U (en) | Synchronous winding displacement mechanism | |
| CN219787386U (en) | Driving gear shaft clamping tool | |
| CN215355625U (en) | Spinning device for heat dissipation groove of shell | |
| CN219893120U (en) | Winding needle driving mechanism of lithium battery winding machine | |
| CN216845856U (en) | Sealing edge structure of baffle plate and processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |