CN107342668B - Stator press-fitting tool - Google Patents
Stator press-fitting tool Download PDFInfo
- Publication number
- CN107342668B CN107342668B CN201710707379.3A CN201710707379A CN107342668B CN 107342668 B CN107342668 B CN 107342668B CN 201710707379 A CN201710707379 A CN 201710707379A CN 107342668 B CN107342668 B CN 107342668B
- Authority
- CN
- China
- Prior art keywords
- stator
- jacking sleeve
- jacking
- arc
- sleeve
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/028—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots for fastening to casing or support, respectively to shaft or hub
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a stator press-fitting tool which comprises a pressing sleeve, wherein a pipe cavity of the pressing end of the pressing sleeve accommodates a coil at the end part of a stator, the outer diameter of the pressing end of the pressing sleeve is smaller than the outer diameter of an iron core of the stator, a limit stop protruding towards the outside of the pipe body is arranged on the outer pipe wall of the pressing sleeve, the limit stop and the end surface of a motor base form a resisting limit fit for limiting the depth of the pressing sleeve placed into the motor base when mutually propping against each other, and the distance from the limit stop to the pressing end of the pressing sleeve is the design distance between the end surface of the iron core of the stator and the end surface of the motor base. The outer peripheral surface of the jacking sleeve is not required to be marked, and whether the marking line is flush with the end surface of the motor base or not is visually detected by workers, so that the distance between the end surface of the stator core and the end surface of the motor base, which is pressed by the stator, is a design distance, and the distance from the limit stop to the extrusion end of the jacking sleeve is convenient for the workers to adjust.
Description
Technical Field
The invention relates to the field of motors, in particular to a stator press-fitting tool for pressing a motor stator into a motor base.
Background
In the assembly of a motor stator and a motor base, firstly, marking scale marks such as scribing are made on a jacking sleeve, the marks are used for requesting or prompting an operator to push the position to be pushed to be the position when the marks are mutually parallel to the end cover of the base when the operator pushes the estimation, in practice, the stator can not be pushed to the position when the marks are mutually parallel to the end cover of the base when the motor is manually operated, the distance between the end face of a stator core and the end face of the motor base can not meet the design requirements, the normal operation of the motor is greatly influenced, and even the motor can not be used at all; and because the specifications of the motors are different, the design distance between the end face of the stator core and the end face of the motor base is different, and the frequent scale marking operation is troublesome, and the production efficiency is affected.
Disclosure of Invention
The invention aims to provide a stator press-fitting tool, which ensures that the interval between the end face of a stator core and the end face of a motor base is designed, and is convenient for workers to adjust the interval between the end face of the stator core and the end face of the motor base.
In order to achieve the above purpose, the technical scheme adopted is as follows: the utility model provides a stator pressure equipment frock, includes the roof pressure sleeve pipe, the lumen of roof pressure sleeve pipe roof pressure end holds stator tip coil, the external diameter of roof pressure sleeve pipe roof pressure end is less than the iron core external diameter of stator, is provided with the limit stop that protrudes outside the body on the outer pipe wall of roof pressure sleeve pipe, limit stop and the terminal surface of motor frame constitute the limit stop cooperation of keeping out of limiting roof pressure sleeve pipe and putting into the inside degree of depth of motor frame when leaning on each other, the distance of limit stop to roof pressure sleeve pipe extrusion end is the design distance between stator core terminal surface and the motor frame terminal surface.
Compared with the prior art, the invention has the technical effects that: the end face of the extrusion end of the jacking sleeve is abutted against the end face of the stator, the jacking sleeve presses the stator until the limit stop is abutted against the end face of the motor base, and the assembly of the stator and the motor base is completed. The distance from the limit stop to the extrusion end of the jacking sleeve is the design distance between the end face of the stator core and the end face of the motor base, the limit stop with different specifications can be replaced or moved in the pressing direction of the jacking sleeve, so that the distance from the limit stop to the extrusion end of the jacking sleeve can be adjusted, the outer peripheral face of the jacking sleeve is not required to be marked, whether the worker visually detects the mark line and the motor base end face or not is flush, the distance between the end face of the stator core and the end face of the motor base is guaranteed, and the distance from the limit stop to the extrusion end of the jacking sleeve can be conveniently adjusted by the worker.
Drawings
FIG. 1 is a schematic illustration of the operation of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at M in FIG. 1;
FIG. 4 is a schematic illustration of the cooperation of the jacking sleeve with the regulator tube;
FIG. 5 is a side view of the limit stop of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
fig. 7 is a cross-sectional view of the adjustment slat.
Detailed Description
The invention is described in further detail below in connection with fig. 1 to 7.
The utility model provides a stator pressure equipment frock, includes roof pressure sleeve pipe 10, the lumen of roof pressure sleeve pipe 10 roof pressure end holds stator 1 tip coil 3, the external diameter of roof pressure sleeve pipe 10 roof pressure end is less than stator 1's iron core external diameter, is provided with the limit stop 20 that protrudes outside the body on the outer pipe wall of roof pressure sleeve pipe 10, limit stop 20 and motor frame 2's terminal surface constitute the limit stop cooperation of keeping out of limiting roof pressure sleeve pipe 10 put into motor frame 2 inside degree of depth when leaning on each other, limit stop 20 is the design distance between stator 1 iron core terminal surface and the motor frame 2 terminal surface to the distance of roof pressure sleeve pipe 10 extrusion end.
In the above scheme, the end face of the extrusion end of the jacking sleeve 10 is abutted against the end face of the stator 1, the jacking sleeve 10 presses the stator 1 until the limit stop 20 abuts against the end face of the motor base 2, and the assembly of the stator 1 and the motor base 2 is completed. The distance from the limit stop 20 to the extrusion end of the jacking sleeve 10 is the design distance between the end face of the iron core of the stator 1 and the end face of the motor base 2, and the limit stop 20 with different specifications can be replaced or the limit stop 20 can be moved in the pressing direction of the jacking sleeve 10, so that the distance from the limit stop 20 to the extrusion end of the jacking sleeve 10 can be adjusted, the outer peripheral surface of the jacking sleeve 10 does not need to be marked, whether the worker visually detects the mark line is flush with the end face of the motor base 2, the distance between the end face of the iron core of the stator 1 and the end face of the motor base 2 is guaranteed to be the design distance, and the distance from the limit stop 20 to the extrusion end of the jacking sleeve 10 can be greatly facilitated for workers.
The limiting stop 20 is connected with the pipe wall of the jacking sleeve 10 in a split mode, the jacking sleeve 10 is provided with a fixed stop 11, and the limiting stop 20 is arranged between the fixed stop 11 and the end face of the motor base 2 when the jacking sleeve 10 is placed in the motor base 2. When the stator 1 is pressed, the fixed stop 11 prevents the limit stop 20 from retreating far away from the pressing direction, and ensures that the distance from the limit stop 20 to the extrusion end of the jacking sleeve 10 is determined.
The fixed block 11 is a continuous annular convex ring or an arc convex ring which is discontinuously arranged and is arranged on the circumferential direction of the outer wall of the jacking sleeve 10, a clamping groove 111 with a notch pointing to one side of the jacking end of the jacking sleeve 10 is formed between the fixed block 11 and the jacking sleeve 10, and the local edge of the limit stop 20 is arranged in the clamping groove 111.
Because the limit stop 20 can be extruded by the end surfaces of the fixed stop 11 and the motor base 2, the limit stop 20 is easy to separate from the constraint of the jacking sleeve 10, not only is the large error caused by the pressing-in amount of the stator 1 pressed into the motor base 2 generated, but also the accident that the limit stop 20 flies out to hurt people can be caused, the local edge of the limit stop 20 is arranged in the clamping groove 111, so that the limit stop 20 is under the constraint of the clamping groove 111, and the whole press-fitting tool can be used safely and reliably.
The limit stop 20 comprises an arc-shaped slat 21, the inner and outer surfaces of which are an inner cambered surface 211 and an outer cambered surface 212 which are parallel to each other, the radian of the arc-shaped slat is matched with the radian of the outer wall of the jacking sleeve 10, and the outlines of the first side surface 213 and the second side surface 214 on the arc-shaped slat 21 vertical to the axial direction are in a strip shape of a fan arc. The distance from the side surface of the front end of the stator in the pressing direction on the arc-shaped slat 21 to the end surface of the extrusion end of the jacking sleeve 10 is measured, so that the distance between the end surface of the stator core and the end surface of the motor base 2 is conveniently determined, and the distance between the end surface of the stator core and the end surface of the motor base 2 can be adjusted by replacing the arc-shaped slat 21 with different specifications according to the actual working conditions of different motors.
The limit stop 20 further comprises an arc-shaped adjusting slat 22, the shape of the adjusting slat 22 is integrally consistent with that of the arc-shaped slat 21, the arc-shaped slat 21 is positioned between the adjusting slat 22 and the fixed stop 11, a strip-shaped hole 12 is formed in the pipe wall of the jacking sleeve 10 at the position of the adjusting slat 22, the length direction of the strip-shaped hole 12 is consistent with the pipe length direction of the jacking sleeve 10, a screw penetrates through the through hole of the adjusting slat 22 and the strip-shaped hole 12 to limit the axial movement of the adjusting slat 22 along the jacking sleeve 10, a bayonet 112 formed between the adjusting slat 22 and the jacking sleeve 10 is opposite to a notch of the clamping groove 111, and a local edge of the arc-shaped slat 21 is arranged in the bayonet 112.
The arc-shaped lath 21 is directly arranged on the outer pipe wall of the jacking sleeve 10, so long as the adjustment lath 22 is guaranteed to push the first side surface 213 and the second side surface 214 of the arc-shaped lath 21 to be perpendicular to the axial direction of the jacking sleeve 10, the arc-shaped lath 21 and the fixed stop 11 are not required to be attached manually, time and labor are saved when workers operate, and the production efficiency can be improved. The bayonet 112 and the clamping groove 111 are matched to restrict the arc-shaped slat 21, so that the arc-shaped slat 21 is always positioned on the jacking sleeve 10, and the whole press-fitting tool can be used safely and reliably.
The motor is characterized by further comprising a jacking pipe section 30, wherein one end of the jacking pipe section 30 is detachably connected with the end part of the pipe body of the jacking sleeve 10, the other end of the jacking pipe section is an extrusion end, a pipe cavity of the jacking end of the jacking pipe section 30 accommodates a coil 3 at the end part of the stator 1, the outer diameter of the jacking end of the jacking pipe section 30 is smaller than the outer diameter of an iron core of the stator 1, and the distance from the limit stop 20 to the extrusion end on the jacking pipe section 30 is the design distance between the end face of the iron core of the stator 1 and the end face of the motor base 2. On the one hand, due to different specifications of the motors and different inner diameters of the stators 1, the situation that the outer diameter of the extrusion end of the jacking sleeve 10 is smaller than the inner diameter of the stators 1 can occur, so that the stators 1 cannot be extruded, and through arrangement of the jacking pipe sections 30, even if the outer diameter of the extrusion end of the jacking sleeve 10 is smaller than the inner diameter of the stators 1, the assembly of the stators 1 and the motor base 2 can be ensured by the press-fitting tool; on the other hand, the arrangement of the jacking sleeve 10 plays a role in adjusting the distance between the end face of the stator 1 iron core and the end face of the motor base 2, so that the application range of the invention is wider.
An external thread section is arranged on the outer wall of the jacking pipe section 30, an internal thread section is arranged on the inner pipe wall of the pipe body of the jacking sleeve 10, and the jacking pipe section 30 is in threaded connection with the end part of the jacking sleeve 10. The connection and the disassembly of the jacking sleeve 10 and the jacking pipe section 30 are convenient.
Concave parts are formed in the block inner cambered surfaces 211 and the outer cambered surfaces 212 of the arc-shaped laths 21, handles 216 are connected to the outer cambered surfaces 212, magnets 215 are embedded in the concave parts, the arc-shaped laths 21 are adsorbed on the outer pipe wall of the jacking sleeve 10, not only are the arc-shaped laths 21 convenient for workers to replace, but also the arc-shaped laths 21 are adsorbed on the outer pipe wall of the jacking sleeve 10, so that the arc-shaped laths 21 can be conveniently pushed to abut against the fixed stop 11 by the adjusting laths 22.
The working process of the press-fitting tool is described in detail below with reference to the accompanying drawings, firstly, the distance between the end face of the iron core of the stator 1 and the end face of the motor base 2 is adjusted to be a designed distance by arranging arc-shaped laths 21 with different specifications between the fixed stop 11 and the adjusting lath 22; secondly, as shown in fig. 1a, the whole fixture is lifted up, so that the end face of the extrusion end of the jacking sleeve 10 is abutted against the end face of the stator 1; then, as shown in fig. 1b, the press is started, and the jacking sleeve 10 together with the stator 1 is lowered until the adjusting lath 22 abuts against the end face of the motor housing 2; finally, as shown in fig. 1c, while the jacking sleeve 10 and the stator 1 continue to move downwards, the adjusting lath 22 moves axially along the jacking sleeve 10 and pushes the arc lath 21 until the first side 213 of the arc lath 21 abuts against the fixed stop 11, the press stops working, and the assembly of the stator 1 and the motor base 2 is completed.
Claims (8)
1. The utility model provides a stator pressure equipment frock, includes roof pressure sleeve pipe (10), and the lumen of roof pressure sleeve pipe (10) roof pressure end holds stator (1) end coil (3), its characterized in that: the outer diameter of the jacking end of the jacking sleeve (10) is smaller than the outer diameter of an iron core of the stator (1), a limit stop (20) protruding towards the outside of the tube body is arranged on the outer tube wall of the jacking sleeve (10), the limit stop (20) and the end face of the motor base (2) form a resisting limit fit for limiting the depth of the jacking sleeve (10) placed into the motor base (2) when the end faces of the jacking sleeve and the motor base (2) are mutually abutted, and the distance from the limit stop (20) to the extrusion end of the jacking sleeve (10) is the designed distance between the end face of the iron core of the stator (1) and the end face of the motor base (2);
the limit stop (20) also comprises an arc-shaped adjusting slat (22), the shape of the adjusting slat (22) is consistent with that of the arc-shaped slat (21) as a whole, the arc-shaped slat (21) is positioned between the adjusting slat (22) and the fixed stop (11), a strip-shaped hole (12) is formed in the pipe wall of the jacking sleeve (10) at the position where the adjusting slat (22) is positioned, the length direction of the strip-shaped hole (12) is consistent with the length direction of the pipe of the jacking sleeve (10), and a screw penetrates through the through hole of the adjusting slat (22) and the strip-shaped hole (12) to limit the axial movement of the adjusting slat (22) along the jacking sleeve (10).
2. The stator press-fitting tool according to claim 1, wherein: the limiting stop (20) is connected with the pipe wall of the jacking sleeve (10) in a split mode, the jacking sleeve (10) is provided with a fixed stop (11), and the jacking sleeve (10) is placed in the motor base (2), and the limiting stop (20) is located between the fixed stop (11) and the end face of the motor base (2).
3. The stator press-fitting tool according to claim 2, wherein: the fixing block (11) is a continuous annular convex ring or an arc convex ring which is discontinuously arranged and is arranged on the circumferential direction of the outer wall of the jacking sleeve (10), a clamping groove (111) with a notch pointing to one side of the jacking end of the jacking sleeve (10) is formed between the fixing block (11) and the jacking sleeve (10), and the local edge of the limit stop (20) is arranged in the clamping groove (111).
4. The stator press-fitting tool according to claim 1 or 2, wherein: the limit stop (20) comprises an arc-shaped slat (21), wherein the inner surface and the outer surface of the arc-shaped slat are inner cambered surfaces (211) and outer cambered surfaces (212) which are parallel to each other, the radian of the arc-shaped slat is matched with the radian of the outer wall of the jacking sleeve (10), and the outlines of the first side surface (213) and the second side surface (214) on the arc-shaped slat (21) vertical to the axial direction are in a strip shape of a fan arc.
5. The stator press-fit tooling of claim 4, wherein: a bayonet (112) formed between the adjusting slat (22) and the jacking sleeve (10) is opposite to the notch of the clamping groove (111), and a local edge of the arc-shaped slat (21) is arranged in the bayonet (112).
6. The stator press-fitting tool according to claim 1, wherein: still include roof pressure pipeline section (30), roof pressure pipeline section (30) one end constitutes detachable connection with the tip of roof pressure sleeve pipe (10) body, and the other end is the extrusion end, and the lumen of roof pressure pipeline section (30) roof pressure end holds stator (1) tip coil (3), and the external diameter of roof pressure pipeline section (30) roof pressure end is less than the iron core external diameter of stator (1), and limit stop (20) are the design distance between stator (1) iron core terminal surface and motor frame (2) terminal surface to the distance of extrusion end on roof pressure pipeline section (30).
7. The stator press-fit tooling of claim 6, wherein: an external thread section is arranged on the outer wall of the jacking pipe section (30), an internal thread section is arranged on the inner pipe wall of the pipe body of the jacking sleeve (10), and the jacking pipe section (30) is in threaded connection with the end part of the jacking sleeve (10).
8. The stator press-fit tooling of claim 5, wherein: concave parts are formed in block inner cambered surfaces (211) of the arc-shaped laths (21), handles (216) are connected to outer cambered surfaces (212), magnets (215) are embedded in the concave parts, and the arc-shaped laths (21) are adsorbed on the outer pipe wall of the jacking sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707379.3A CN107342668B (en) | 2017-08-17 | 2017-08-17 | Stator press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707379.3A CN107342668B (en) | 2017-08-17 | 2017-08-17 | Stator press-fitting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107342668A CN107342668A (en) | 2017-11-10 |
| CN107342668B true CN107342668B (en) | 2023-07-28 |
Family
ID=60214458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707379.3A Active CN107342668B (en) | 2017-08-17 | 2017-08-17 | Stator press-fitting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342668B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510708A (en) * | 1974-06-13 | 1978-05-17 | Siemens Ag | Removably mounted stator core in a dynamo-electric machin |
| CN201118381Y (en) * | 2007-08-24 | 2008-09-17 | 江苏微特利电机制造有限公司 | Built-in stator press industrial tool for thin wall motor base |
| CN201307815Y (en) * | 2008-12-05 | 2009-09-09 | 广东明珠集团韶关众力发电设备有限公司 | A press-fit tool for motor stator iron core |
| CN102315729A (en) * | 2011-09-14 | 2012-01-11 | 卧龙电气集团股份有限公司 | Motor stator assembling apparatus and assembling method |
| CN102581595A (en) * | 2012-02-22 | 2012-07-18 | 瑞智(青岛)精密机电有限公司 | Combining method and tool clamp for stator and shell in assembling process of compressor |
| CN102751824A (en) * | 2012-07-25 | 2012-10-24 | 郑石全 | Stator pressing combination for efficient steel shell NEMA (national electrical manufacturers association) motor |
| CN203206076U (en) * | 2013-04-19 | 2013-09-18 | 合肥凯邦电机有限公司 | Die for stator assembling |
| CN205811813U (en) * | 2016-07-22 | 2016-12-14 | 利欧集团浙江泵业有限公司 | Casing stator press-loading mould |
| CN207304314U (en) * | 2017-08-17 | 2018-05-01 | 安徽威能电机有限公司 | Stator press-loading frock |
-
2017
- 2017-08-17 CN CN201710707379.3A patent/CN107342668B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510708A (en) * | 1974-06-13 | 1978-05-17 | Siemens Ag | Removably mounted stator core in a dynamo-electric machin |
| CN201118381Y (en) * | 2007-08-24 | 2008-09-17 | 江苏微特利电机制造有限公司 | Built-in stator press industrial tool for thin wall motor base |
| CN201307815Y (en) * | 2008-12-05 | 2009-09-09 | 广东明珠集团韶关众力发电设备有限公司 | A press-fit tool for motor stator iron core |
| CN102315729A (en) * | 2011-09-14 | 2012-01-11 | 卧龙电气集团股份有限公司 | Motor stator assembling apparatus and assembling method |
| CN102581595A (en) * | 2012-02-22 | 2012-07-18 | 瑞智(青岛)精密机电有限公司 | Combining method and tool clamp for stator and shell in assembling process of compressor |
| CN102751824A (en) * | 2012-07-25 | 2012-10-24 | 郑石全 | Stator pressing combination for efficient steel shell NEMA (national electrical manufacturers association) motor |
| CN203206076U (en) * | 2013-04-19 | 2013-09-18 | 合肥凯邦电机有限公司 | Die for stator assembling |
| CN205811813U (en) * | 2016-07-22 | 2016-12-14 | 利欧集团浙江泵业有限公司 | Casing stator press-loading mould |
| CN207304314U (en) * | 2017-08-17 | 2018-05-01 | 安徽威能电机有限公司 | Stator press-loading frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107342668A (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107342668B (en) | Stator press-fitting tool | |
| CN208116843U (en) | A kind of power drill perforating locator | |
| CN104589027A (en) | Oil pump lining press fitting clamp | |
| CN207304314U (en) | Stator press-loading frock | |
| CN202405597U (en) | Combined floating type positioning mould for connectors | |
| CN106984958B (en) | Device for assembling pipe joint and flange | |
| CN210978119U (en) | Diameter-expanding positioning pin | |
| CN204179874U (en) | Motor magnetic tile chip mounter | |
| CN212163103U (en) | Motor stator goes into shell mechanism | |
| CN108972453B (en) | Sleeve pressing tool with protection function | |
| CN108667239A (en) | A kind of rotor shaft-inlet tooling | |
| CN205705449U (en) | Last item mould | |
| CN206673790U (en) | The rotor press-mounting tool and pressing machine of non-contact type rotary transformer | |
| CN211681706U (en) | Sealing ring press-in tool for support bearing of vortex air compressor | |
| CN105666121B (en) | A kind of turning machine oil seal collar assembling device and assembly method | |
| CN203765033U (en) | Miniature electric drill | |
| CN105382365B (en) | Aluminium line, which is cut, uses bracket | |
| CN213001395U (en) | Aluminum foil drainage roller structure | |
| CN204893508U (en) | Strainer cover four -axis hydraulically operated fixture | |
| CN204186309U (en) | MWD wireless drilling measurer erection device | |
| CN203901371U (en) | Embedded type plain cutter structure with detachable blade | |
| CN217345308U (en) | A appurtenance for changing water pump packing | |
| CN215240822U (en) | Wind-powered electricity generation blade bonding angle cutting setting-out frock | |
| CN206413746U (en) | A kind of new cigarette length length bar | |
| CN210371097U (en) | Fitting ring for compressor |
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 |