CN109702475B - Assembly mechanism for shaft and flexible thin-disc thin-rod coupling and use method thereof - Google Patents
Assembly mechanism for shaft and flexible thin-disc thin-rod coupling and use method thereof Download PDFInfo
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- CN109702475B CN109702475B CN201811622547.XA CN201811622547A CN109702475B CN 109702475 B CN109702475 B CN 109702475B CN 201811622547 A CN201811622547 A CN 201811622547A CN 109702475 B CN109702475 B CN 109702475B
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Abstract
The invention provides an assembly mechanism for a shaft and a flexible thin-disc thin-rod coupler and a use method thereof, wherein the assembly mechanism comprises two flange plates, two positioning chucks, two flange positioning chucks and two half flange plates, wherein the two half flange plates are respectively sleeved at two ends of the flexible thin-disc thin-rod coupler; the positioning chuck is sleeved at one end of the shaft; one end of the flexible thin-disc thin-rod coupler is sleeved on the other end of the shaft; one end of the flange plate is sleeved on the other end of the flexible thin-plate thin-rod coupler; the other end of the flange plate is embedded in the flange positioning chuck; the shaft and the flange are embedded in the flexible thin-disc thin-rod coupler through external force by utilizing the mutual matching of the positioning chuck, the flange positioning chuck and the half flange plate, so that the interference assembly and disassembly of the shaft and the flexible thin-disc thin-rod coupler are realized.
Description
Technical Field
The invention belongs to the technical field of mechanical design, and particularly relates to an assembling mechanism for a shaft and a flexible thin-disc thin-rod coupler and a using method thereof.
Background
When the flexible thin disc thin rod coupling (flexible coupling) rotates at a high speed, the flexible thin disc thin rod coupling has the advantages of small volume, simple structure, allowance of larger axial misalignment, self-adaptive centering, good stability and the like. However, because the flexible thin-disc thin-rod coupler and the rigid shafts at two ends are generally in large interference fit according to the transmission torque, the rotating speed and the material characteristics of the flexible thin-disc thin-rod coupler during assembly, the flexible thin discs at two ends of the coupler are required to have high precision after assembly, and meanwhile, the connection part of the flexible thin-disc thin-rod coupler and the rigid rotor is in thin-wall fit with the thickness within 2mm, so that the flexible thin-disc thin-rod coupler is extremely easy to damage during assembly and disassembly, certain difficulty is brought to the assembly of the coupler, and a special assembly mechanism for the coupler is not available at present.
Disclosure of Invention
The invention aims to provide an assembling mechanism for a shaft and a flexible thin-disc thin-rod coupler and a using method thereof, which solve the defect that the conventional flexible thin-disc thin-rod coupler is extremely easy to damage during assembling.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides an assembling mechanism for a shaft and a flexible thin-disc thin-rod coupler, which comprises two flange plates, two positioning chucks, two flange positioning chucks and two half flange plates, wherein the two half flange plates are respectively sleeved at two ends of the flexible thin-disc thin-rod coupler; the positioning chuck is sleeved at one end of the shaft; one end of the flexible thin-disc thin-rod coupler is sleeved on the other end of the shaft; one end of the flange plate is sleeved on the other end of the flexible thin-plate thin-rod coupler; the other end of the flange plate is embedded in the flange positioning chuck.
Preferably, each half flange is sleeved with an outer chuck.
Preferably, the positioning chuck is movably connected with one of the outer chucks; the flange positioning chuck is movably connected with the other outer chuck.
Preferably, the outer cartridge and the half-flange are a clearance fit.
Preferably, the flange plate is movably connected with the flange positioning chuck.
Preferably, the flexible thin-disc slender rod coupling and the shaft are in interference fit.
Preferably, an interference fit is formed between the flexible thin-disc thin-rod coupling and the flange disc.
Preferably, the half flange plate and the flexible thin-plate thin-rod coupling are in clearance fit.
A use method of an assembling mechanism for a shaft and a flexible thin-disc thin-rod coupling is based on the assembling mechanism for the shaft and the flexible thin-disc thin-rod coupling, and comprises the following steps:
when the interference assembly between the flange plate and the flexible thin-plate thin-rod coupler is carried out, two half flange plates are respectively sleeved at two ends of the flexible thin-plate thin-rod coupler, a flange positioning chuck is sleeved at one end of the flange plate, and then one end of the flexible thin-plate thin-rod coupler and the other end of the flange plate are coaxially arranged; then, because the flange positioning chuck is connected with the half flange chuck, the flange positioning chuck is continuously screwed until the flexible thin-disc thin-rod coupler is sleeved on the flange plate;
when the interference assembly between the shaft and the flexible thin-disc thin-rod coupler is carried out, the other end of the flexible thin-disc thin-rod coupler and one end of the shaft are coaxially arranged, the end of the shaft is embedded on the semi-flange chuck, the other end of the shaft is sleeved with the positioning chuck, and the positioning chuck is continuously screwed until the flexible thin-disc thin-rod coupler is sleeved on the shaft due to the connection between the positioning chuck and the semi-flange; and finishing the interference assembly between the flexible thin-disc thin-rod coupler and the shaft and the flange disc.
Preferably, when the flange plate and the flexible thin-plate thin-rod coupler are disassembled, the half flange plate, the flange positioning chuck and the flange plate are separated, and the flange plate is driven to be pulled out of the flexible thin-plate thin-rod coupler due to the connection of the flange positioning chuck and the flange plate, so that the flange plate and the flexible thin-plate thin-rod coupler are separated;
when the shaft and the flexible thin disc thin rod coupler are disassembled, the positioning chuck and the half flange plate are separated, and the positioning chuck is rotated to drive the shaft to be pulled out of the flexible thin disc thin rod coupler, so that the shaft and the flexible thin disc thin rod coupler are separated.
Compared with the prior art, the invention has the beneficial effects that:
the assembling mechanism for the shaft and the flexible thin-disc thin-rod coupler provided by the invention has the advantages that the shaft and the flange are embedded in the flexible thin-disc thin-rod coupler through external force by utilizing the mutual matching of the positioning chuck, the flange positioning chuck and the half flange plate, so that the interference assembly and disassembly of the shaft and the flexible thin-disc thin-rod coupler are realized, the structure can accurately assemble the flexible thin-disc thin-rod coupler with rigid rotors at two ends, the assembly and disassembly are simple, the coupler is not damaged, the precision is high, and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the shaft and the flexible thin-disc thin-rod coupling;
FIG. 4 is a schematic view of the shaft construction;
FIG. 5 is an enlarged view at A;
FIG. 6 is a schematic diagram of a flexible thin disc thin rod coupling structure;
FIG. 7 is a schematic view of the flange configuration;
FIG. 8 is a front view of the positioning chuck;
FIG. 9 is a front view of the flange positioning chuck;
FIG. 10 is a front view of the half flange;
FIG. 11 is a front view of the outer chuck;
the flexible thin-disc thin-rod coupling comprises a shaft 1, a shaft 2, a flexible thin-disc thin-rod coupling 3, a flange plate 4, a positioning chuck 5, a flange positioning chuck 6, a half flange plate 7, an outer chuck 8, a hinge hole bolt 9, an elastic gasket 10, a first nut 11, a bolt 12, a gasket 13, a second nut 101, a second step journal 102, a fourth step journal 103, a fifth step journal 201, a first step journal 202, a second step journal 203, a first inner hole 301, a first step shaft 302, a second step shaft 303, a third step shaft 401, a second inner hole 501, a third inner hole 601, a fourth inner hole 602, a first through hole 701, a first step inner hole 702 and a second step inner hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the assembly mechanism for a shaft and a flexible thin-disc thin-rod coupler provided by the invention comprises a shaft 1, a flexible thin-disc thin-rod coupler 2, a flange plate 3, a positioning chuck 4, a flange positioning chuck 5, a half flange plate 6, an outer chuck 7, a first gasket 9, a first nut 10, a bolt 11, a second gasket 12 and a second nut 13, wherein the positioning chuck 4 is sleeved at one end of the shaft 1; one end of the flexible thin-disc thin-rod coupler 2 is sleeved on the other end of the shaft 1.
The flange 3 is sleeved at the other end of the flexible thin-disc thin-rod coupler 2; two half flange plates 6 are arranged, one of the two half flange plates is sleeved on the flange plate 3, and the other half flange plate is sleeved on the connecting part between the flexible thin-plate thin-rod coupler 2 and the shaft 1.
Each half flange 6 is sleeved with an outer chuck 7.
The flange 3 is also sleeved with a flange positioning chuck 5.
The positioning chuck 4 is connected with an outer chuck 7 close to the joint of the shaft 1 and the flexible thin-disc thin-rod coupler 2 through a bolt 11.
The other outer chuck 7 is connected with the flange positioning chuck 5 through bolts.
The half flange 6 and the flange 3 are connected through bolts.
The half flange 6 and the outer flange 7 are connected through bolts.
Specifically, as shown in fig. 4 and 5, the shaft 1 has a five-step structure, which is a first step journal, a second step journal 101, a third step journal, a fourth step journal 102 and a fifth step journal 103 in sequence, and the shaft diameters of the first step journal, the second step journal 101 and the third step journal are increased in sequence; the diameters of the third, fourth and fifth step journals 102 and 103 decrease in this order.
As shown in fig. 6, the flexible thin disc thin rod coupler 2 is a three-step structure, which is sequentially a first step journal 201, a second step journal 202 and a third step journal, wherein the diameters of the first step journal 201 and the third step journal are equal and larger than the diameter of the second step journal 202.
The first inner hole 203 is formed in the centers of the first step journal 201 and the third step journal.
Wherein, the first inner hole 203 on the first step journal 201 is sleeved on the fifth step journal 103 of the shaft 1.
As shown in fig. 7, the flange 3 has a three-step shaft structure, which includes a first step shaft 301, a second step shaft 302, and a third step shaft 303, wherein the diameters of the first step shaft 301, the second step shaft 302, and the third step shaft 303 increase in sequence.
The first inner hole 203 on the third step journal of the flexible thin-disc thin-rod coupler 2 is sleeved on the first step shaft 301 of the flange plate 3.
As shown in fig. 8, the positioning chuck 4 is a second-step shaft structure, a second inner hole 401 is formed in the center of the small end of the positioning chuck, an assembly hole is formed in the large end of the positioning chuck, and the second inner hole 401 and the assembly hole are the same; wherein the second bore 401 is sleeved on the second step journal 101 of the shaft 1, and the first step journal of the shaft 1 is installed in the assembly hole.
As shown in fig. 9, the flange positioning chuck 5 is a disk structure, a third inner hole 501 is formed in the center of the disk structure, and the third inner hole 501 is sleeved on the large end of the flange plate 3.
As shown in fig. 10, the half flange 6 has a two-step shaft structure, wherein a fourth inner hole 601 is formed at the center of the small end, a first through hole 602 is formed at the center of the large end, and the fourth inner hole 601 is communicated with the first through hole 602.
The fourth inner hole 601 is sleeved on the first step journal 201 of the flexible thin-disc thin-rod coupler 2, and the first through hole 602 is sleeved on the second step journal 202.
As shown in fig. 11, the outer chuck 7 is a disk structure, and a second-step inner hole is formed at the center of the outer chuck, which is a first step inner hole 701 and a second step inner hole 702, respectively, and the diameter of the first step inner hole 701 is larger than that of the second step inner hole 702; wherein, a first step inner hole 701 is sleeved on the big end of the half flange 6, and a second step inner hole 702 is sleeved on a second step journal 202 of the flexible thin-disc thin-rod coupler 2.
The fifth-order shaft neck 103 of the shaft 1 is of a thin-wall structure, and the wall thickness of the fifth-order shaft neck is 1-3 mm.
The diameter of a first inner hole 203 on the flexible thin-disc thin-rod coupler 2 is 201-60 mm.
The first-step journal 201 on the flexible thin-disc thin-rod coupler 2 is of a thin-wall structure, and the wall thickness of the first-step journal is 0.5-3 mm.
The bottom of the first inner hole 203 of the flexible thin-disc thin-rod coupler 2 is of a thin-wall structure, and the thickness of the thin-wall structure is 1-4 mm.
The length of the second step journal 202 of the flexible thin disc thin rod coupler 2 is 30-2010 mm, and the diameter is 8-12 mm.
Interference fit is respectively formed between the first inner hole 203 of the first-step journal 201 and the fifth-step journal 103 of the shaft 1, and between the first inner hole 203 of the third-step journal and the first-step shaft 301 of the flange 3, and the interference magnitude is 0-0.1 mm.
The first step shaft 301 at one end of the flange plate 3 is of a thin-wall structure, and the wall thickness of the first step shaft is 1-3 mm.
The through hole 602 of the half flange 6 is in clearance fit with the second step journal 202 of the flexible thin-disc thin-rod coupler 2.
The first step inner hole 701 of the outer flange 7 is in clearance fit with the large end of the half flange 6.
The working principle of the invention is as follows:
the invention aims to carry out interference fit on a first inner hole 203 of a flexible thin-disc slender rod coupling 2 and a fifth-step journal 103 of a shaft 1 and a first-step shaft 301 of a flange disc 3 respectively.
The second step shaft neck 202 of the flexible thin-disc thin-rod coupler 2 is nested in the first through hole 602 of the half flange 6, the flexible thin-disc thin-rod coupler 2 is attached to the half flange 6, the first step shaft neck 201 of the flexible thin-disc thin-rod coupler 2 is nested in the fourth inner hole 601 of the half flange 6, the large end of the half flange 6 is nested in the first step inner hole 701 of the outer chuck 7, and the half flange 6 and the outer chuck 7 are connected through a hinged hole bolt 8, an elastic gasket 9 and a first nut 10.
All through the bolt between flange location chuck 5 and the outer chuck 7, gasket and nut are taut, because the first step axle 301 nestification of ring flange 3 is in the fourth hole 601 of half ring flange 6, the nut is closed soon simultaneously on the symmetry direction, the screwing effect of nut can make flange location chuck 5 along the axial direction slow movement of bolt, and then make first hole 203 of flexible thin dish thin rod shaft coupling 2 and the first step axle 301 of ring flange 3 begin to assemble, the nut of the constant symmetry of alternating soon, until first hole 203 of flexible thin dish thin rod shaft coupling 2 moves the terminal surface 24 of ring flange 3, accomplish the interference fit between the first hole 203 of flexible thin dish thin rod shaft coupling 2 and the first step axle 301 of the one end of ring flange 3 this moment.
During disassembly, the second nut 13 is sequentially unscrewed, the gasket 12 and the bolt 11 are removed, the clearance fit between the third step shaft 303 of the flange plate 3 and the third inner hole 501 of the flange positioning chuck 5 is removed, and meanwhile, the flange plate 3 is separated from the flange positioning chuck 5. Then, the first nut 10 is unscrewed, the elastic washer 9 and the reamed hole bolt 8 are removed, the clearance fit between the large end of the half flange 6 and the first step inner hole 701 of the outer chuck 7 is removed, meanwhile, the half flange 6 and the outer chuck 7 are separated, the third step shaft 303 of the flange 3 penetrates through the second step inner hole 702 of the outer chuck 7, and finally, the half flange 6 is removed.
Similarly, the positioning chuck 4 and the outer chuck 7 are tightened by the bolt 11, the elastic washer 12 and the second nut 13. Because the fifth-order shaft journal 103 of the shaft 1 is nested in the fourth inner hole 601 of the half flange 6, the second nut 13 is screwed in the symmetrical direction at the same time, the positioning chuck 4 slowly moves along the axial direction of the bolt 11 by the screwing action of the second nut 13, so that the fifth-order shaft journal 103 of the first inner hole 203 on the other side of the flexible thin-disc thin-rod coupling 2 and the shaft 1 starts to be assembled, the second nut 13 is screwed in an alternating and symmetrical mode continuously until the first inner hole 203 of the flexible thin-disc thin-rod coupling 2 moves to the shaft 1, and at this time, the interference assembly between the second inner hole 203 of the flexible thin-disc thin-rod coupling 2 and the fifth-order shaft journal 103 of the shaft 1 is completed.
During disassembly, the second nut 13 is sequentially unscrewed, the elastic washer 12 and the bolt 11 are removed, the clearance fit between the second step journal 101 of the shaft 1 and the second inner hole 401 of the positioning chuck 4 is removed, and meanwhile, the shaft 1 is separated from the shaft positioning chuck 4. Then the nut 10 is unscrewed, the elastic washer 9 and the reamed hole bolt 8 are removed, the clearance fit between the large end of the half flange 6 and the first step inner hole 701 of the outer chuck 7 is removed, simultaneously the half flange 6 and the outer chuck 7 are separated, the shaft 1 passes through the second step inner hole 702 of the outer chuck 7, and finally the half flange 6 is removed.
Finally, the first inner hole 203 of the flexible thin-disc thin-rod coupling 2 is assembled and disassembled with the fifth-step journal 103 of the shaft 1 and the first-step shaft 301 at one end of the flange 3 respectively.
According to the invention, the nuts 13 are simultaneously screwed in the symmetrical direction to sequentially and gradually load, and meanwhile, the interference assembly of the flexible thin-disc thin-rod coupler 2 is slowly performed in centering, the fourth inner hole 601 of the half flange 6 effectively protects the first-step shaft neck 201 of the flexible thin-disc thin-rod coupler 2, so that the flexible thin-disc thin-rod coupler is not easy to deform, and the centering of the shaft 1, the flexible thin-disc thin-rod coupler 2 and the flange disc 3 is effectively ensured by the nested structure of the fourth inner hole 601 of the half flange 6 and the fourth-step shaft neck 102 of the shaft 1, the fourth inner hole 601 of the half flange 6 and the second-step shaft 302 of the flange disc 3, so that the assembled combined rotor ensures good coaxiality. Meanwhile, the structure of the half flange plate enables the assembling structure to be more convenient to disassemble. Therefore, the flexible thin-disc thin-rod coupling assembling mechanism has the characteristics of high precision and simple structure.
Claims (8)
1. The assembling mechanism for the shaft and the flexible thin-disc thin-rod coupler is characterized by comprising two flange plates (3), two positioning chucks (4), two flange positioning chucks (5) and two half flange plates (6), wherein the two half flange plates (6) are respectively sleeved at two ends of the flexible thin-disc thin-rod coupler (2); the positioning chuck (4) is sleeved at one end of the shaft (1); one end of the flexible thin-disc thin-rod coupling (2) is sleeved on the other end of the shaft (1); one end of the flange plate (3) is sleeved on the other end of the flexible thin-plate thin-rod coupling (2); the other end of the flange plate (3) is embedded in a flange positioning chuck (5);
each half flange plate (6) is sleeved with an outer chuck (7);
the positioning chuck (4) and one of the outer chucks (7) as well as the flange positioning chuck (5) and the other outer chuck (7) are connected through bolts and nuts.
2. An assembly mechanism for shafts and flexible thin-disc slender rod couplings according to claim 1, characterized by a clearance fit between the outer chuck (7) and the half-flange (6).
3. An assembly mechanism for shafts and flexible thin-disc slender rod couplings according to claim 1, characterized by the fact that the flange (3) is articulated to the flange-positioning chuck (5).
4. An assembly mechanism for a shaft and a flexible thin disc thin rod coupling according to claim 1, characterized in that the flexible thin disc thin rod coupling (2) and the shaft (1) are in interference fit.
5. An assembly mechanism for a shaft and flexible thin-disc thin-rod coupling according to claim 1, characterized in that the flexible thin-disc thin-rod coupling (2) and the flange disc (3) are in interference fit.
6. An assembly mechanism for a shaft and flexible thin-disc thin-rod coupling according to claim 1, characterized in that the half flange plate (6) and the flexible thin-disc thin-rod coupling (2) are in clearance fit.
7. A method for using an assembling mechanism for a shaft and a flexible thin-disc thin-rod coupling, which is characterized in that the assembling mechanism for the shaft and the flexible thin-disc thin-rod coupling is based on claim 1, and comprises the following steps:
when the flange plate (3) and the flexible thin-plate thin-rod coupler (2) are assembled in an interference mode, two half flange plates (6) are respectively sleeved at two ends of the flexible thin-plate thin-rod coupler (2), a flange positioning chuck (5) is sleeved at one end of the flange plate (3), and then one end of the flexible thin-plate thin-rod coupler (2) and the other end of the flange plate (3) are coaxially arranged; then, nesting an outer chuck (7) on the half-flange chuck (6); the flange positioning chuck (5) and the outer chuck (7) are tightened through two symmetrically arranged bolts and nuts;
the nut is continuously screwed, and the flange positioning chuck (5) slowly moves along the axial direction of the bolt through the screwing action of the nut until the assembly between the flexible thin-disc thin-rod coupler (2) and the flange disc (3) is completed;
when the shaft (1) and the flexible thin disc thin rod coupler (2) are assembled in an interference mode, the other end of the flexible thin disc thin rod coupler (2) and one end of the shaft (1) are coaxially arranged, the end of the shaft (1) is nested on a half-flange chuck (6), the other end of the shaft (1) is nested on a positioning chuck (4), and an outer chuck (7) is nested on the half-flange chuck (6); the positioning chuck (4) and the outer chuck (7) are tightened through two symmetrically arranged bolts and nuts;
the nut is continuously screwed, and the positioning chuck (4) slowly moves along the axial direction of the bolt through the screwing action of the nut until the assembly between the flexible thin-disc thin-rod coupler (2) and the shaft (1) is completed.
8. The use method of the assembling mechanism for the shaft and the flexible thin-disc thin-rod coupling is characterized in that when the flange plate (3) and the flexible thin-disc thin-rod coupling (2) are disassembled, the half flange plate (6) and the flange positioning chuck (5) are separated from the flange plate (3), and the flange plate (3) is driven to be pulled out of the flexible thin-disc thin-rod coupling (2) due to the connection of the flange positioning chuck (5) and the flange plate (3), so that the flange plate (3) is separated from the flexible thin-disc thin-rod coupling (2);
when the shaft (2) and the flexible thin disc thin rod coupler (2) are disassembled, the positioning chuck (4) and the half flange plate (6) are separated, and the positioning chuck (4) is rotated to drive the shaft (1) to be pulled out from the flexible thin disc thin rod coupler (2), so that the shaft (1) and the flexible thin disc thin rod coupler (2) are separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622547.XA CN109702475B (en) | 2018-12-28 | 2018-12-28 | Assembly mechanism for shaft and flexible thin-disc thin-rod coupling and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622547.XA CN109702475B (en) | 2018-12-28 | 2018-12-28 | Assembly mechanism for shaft and flexible thin-disc thin-rod coupling and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702475A CN109702475A (en) | 2019-05-03 |
| CN109702475B true CN109702475B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811622547.XA Active CN109702475B (en) | 2018-12-28 | 2018-12-28 | Assembly mechanism for shaft and flexible thin-disc thin-rod coupling and use method thereof |
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| US3802057A (en) * | 1970-09-24 | 1974-04-09 | Robbins J Ass Inc | Method for loosening threaded pipe connections using an earth drilling machine |
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| CN200943786Y (en) * | 2006-08-24 | 2007-09-05 | 潘启亮 | Split type flange |
| CN202240380U (en) * | 2011-09-06 | 2012-05-30 | 芜湖天佑汽车技术有限公司 | Press mounting fixture for bottom cap of shock absorber |
| CN102809485A (en) * | 2012-07-16 | 2012-12-05 | 西安交通大学 | Test bed for radial elastic foil gas bearings of integrated high-speed coupling |
| CN204657883U (en) * | 2015-04-29 | 2015-09-23 | 中国十七冶集团有限公司 | The detaching device of the bearing on turning cylinder, axle sleeve or shaft coupling |
| CN207013963U (en) * | 2017-07-11 | 2018-02-16 | 江门江菱电机电气有限公司 | A kind of motor coupler assembly tooling |
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2018
- 2018-12-28 CN CN201811622547.XA patent/CN109702475B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802057A (en) * | 1970-09-24 | 1974-04-09 | Robbins J Ass Inc | Method for loosening threaded pipe connections using an earth drilling machine |
| US5048169A (en) * | 1990-07-09 | 1991-09-17 | Antonio Beggiato | Hose-repair tool |
| CN200943786Y (en) * | 2006-08-24 | 2007-09-05 | 潘启亮 | Split type flange |
| CN202240380U (en) * | 2011-09-06 | 2012-05-30 | 芜湖天佑汽车技术有限公司 | Press mounting fixture for bottom cap of shock absorber |
| CN102809485A (en) * | 2012-07-16 | 2012-12-05 | 西安交通大学 | Test bed for radial elastic foil gas bearings of integrated high-speed coupling |
| CN204657883U (en) * | 2015-04-29 | 2015-09-23 | 中国十七冶集团有限公司 | The detaching device of the bearing on turning cylinder, axle sleeve or shaft coupling |
| CN207013963U (en) * | 2017-07-11 | 2018-02-16 | 江门江菱电机电气有限公司 | A kind of motor coupler assembly tooling |
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|---|---|
| CN109702475A (en) | 2019-05-03 |
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Effective date of registration: 20230320 Address after: Building 1, No. 3, Juyuan 2nd Road, Shangtun, Liaobu Town, Dongguan City, Guangdong Province, 523416 Patentee after: Leitz intelligent equipment (Guangdong) Co.,Ltd. Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Patentee before: XI'AN JIAOTONG University |
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