CN113427432A - Balance shaft sleeve disassembling assembly and disassembling method - Google Patents
Balance shaft sleeve disassembling assembly and disassembling method Download PDFInfo
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- CN113427432A CN113427432A CN202010207488.0A CN202010207488A CN113427432A CN 113427432 A CN113427432 A CN 113427432A CN 202010207488 A CN202010207488 A CN 202010207488A CN 113427432 A CN113427432 A CN 113427432A
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- balance
- top plate
- sleeve
- decomposition
- shaft sleeve
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a disassembling component and a disassembling method of a balance shaft sleeve. The balance shaft sleeve disassembling component comprises an extension section which is used for being fastened with the axial tail end of the rotating shaft so as to extend the axial length of the rotating shaft; a top plate axially positioned at the extension section and having a plurality of mounting holes; the plurality of disassembly screws are uniformly distributed along the circumferential direction of the top plate, penetrate through the plurality of corresponding mounting holes and are in threaded connection and fastening with at least part of reserved interfaces of the balancing machines; each decomposition screw is provided with a first thread section, and at least one part of the first thread section is in threaded connection and fastening with the reserved interface of the balancing machine; and the extrusion part is fixedly connected with the decomposition screw rod, can apply axial extrusion force to the top plate and is subjected to the reaction force of the extrusion force, and the reaction force enables the balance shaft sleeve to be separated from the rotating shaft.
Description
Technical Field
The invention relates to the field of assembly of rotor machinery, in particular to a balance shaft sleeve disassembling assembly and a disassembling method.
Background
Rotor machines, such as rotors in aircraft engines, may include turbines, compressors, fans, and the like. Because of factors such as process errors, uneven materials, uneven wear or local defects and the like, an aircraft engine rotor always has unbalance which is a main excitation source of the engine, so that the rotor vibration is caused, the wear of parts such as bearings and the like is accelerated, and the efficiency and the working safety of the engine are reduced. Therefore, in the development and test process of the engine rotor, dynamic balance is carried out on the rotor piece, and the unbalance of the rotor is eliminated.
As shown in fig. 1, taking an aircraft engine turbine as an example, a balance shaft sleeve 20 of a turbine shaft 10 needs to be assembled in a test, and in order to ensure shaft sleeve assembly repeatability and reduce balance error of the turbine shaft 10, two short cylindrical surfaces 201 and 202 are adopted for the balance shaft sleeve 20 and the turbine shaft 10 in interference fit. After the test is completed, if the balance sleeve 20 is to be disassembled from the turbine shaft 10, the prior art method generally involves repeated knocking to knock the balance sleeve down, which is time consuming and labor intensive, and may cause damage to the balance sleeve 20, and even the turbine shaft 10.
Therefore, there is a need in the art for a balance sleeve disassembling assembly and a disassembling method thereof, which can separate the balance sleeve 20 from the rotor with a simple operation and reduce the process cost.
In the development process, the specifications of the turbine shaft 10 of the engine are numerous, the turbine shafts 10 with different specifications correspond to different balance shaft sleeves 20,
the balance sleeve 20 is uniform in size with the balancer interface 203 of the balancer used to perform the balancing test. This scheme provides a simple and easy instrument that realizes interference fit's balanced axle sleeve and separate from the turbine shaft through balanced axle sleeve and balanced quick-witted interface screw hole, and this instrument can be general in the balanced axle sleeve of different specifications decomposes, reduces the processing cost.
Disclosure of Invention
It is an object of the present invention to provide a balanced sleeve disassembly assembly.
An object of the present invention is to provide a balanced bushing decomposition method.
According to one aspect of the invention, a balance shaft sleeve decomposition assembly is used for separating a balance shaft sleeve from a rotating shaft in interference fit with the balance shaft sleeve, wherein the balance shaft sleeve is provided with a plurality of balance machine reserved interfaces, and the balance machine reserved interfaces comprise: the extension section is used for being fastened with the axial tail end of the rotating shaft so as to extend the axial length of the rotating shaft; a top plate axially positioned at the extension section and having a plurality of mounting holes; the plurality of disassembly screws are uniformly distributed along the circumferential direction of the top plate, penetrate through the plurality of corresponding mounting holes and are in threaded connection and fastening with at least part of reserved interfaces of the balancing machines; each decomposition screw is provided with a first thread section, and at least one part of the first thread section is in threaded connection and fastening with the reserved interface of the balancing machine; and the extrusion part is fixedly connected with the decomposition screw rod, can apply axial extrusion force to the top plate and is subjected to the reaction force of the extrusion force, and the reaction force enables the balance shaft sleeve to be separated from the rotating shaft.
In one or more embodiments of the balanced sleeve disassembly assembly, the extrusion comprises a nut, and the disassembly screw has a second threaded section that mates with the nut, and the axial compressive force is applied to the top plate by tightening of the nut.
In one or more embodiments of the decomposition assembly for a balance shaft sleeve, the decomposition assembly for a balance shaft sleeve further comprises a column member, the column member has an internal thread portion, the internal thread portion forms a thread fastening with the first thread section, and the column member presses the balance shaft sleeve in an axial direction after the fastening.
In one or more embodiments of the balanced sleeve split assembly, the extension has a shoulder, the top plate has a locating hole, the extension is in clearance fit with the locating hole, and the top plate is positioned on the shoulder; the extension section and the top plate are coaxially arranged.
In one or more embodiments of the balanced sleeve split assembly, the extension section has an externally threaded section through which the extension section is threadedly secured to the axial end of the shaft.
According to another aspect of the present invention, a method for disassembling a balance sleeve for separating the balance sleeve from a rotating shaft in interference fit therewith, the balance sleeve having a plurality of balance machine reserved interfaces, includes:
providing an extension section for extending the axial length of the rotating shaft;
providing a top plate axially positioned with the extension;
providing a plurality of decomposition screw rods which are uniformly distributed along the circumferential direction, enabling each decomposition screw rod to penetrate through the top plate, and fixedly connecting the decomposition screw rods with the reserved interfaces of the balance machine to be fixedly connected with the balance shaft sleeve;
and providing an extrusion part to fixedly connect the decomposition screw rod, applying axial extrusion force to the top plate, transmitting the reaction force to the decomposition screw rod connected with the top plate, and finally transmitting the reaction force to the balance shaft sleeve fixedly connected with the decomposition screw rod, wherein the balance shaft sleeve is separated from the rotating shaft in interference fit with the balance shaft sleeve under the action of the reaction force.
In one or more embodiments of the balance sleeve decomposition method, the method further comprises: and providing a column, fastening the column with the decomposition screw rod, and extruding the balance shaft sleeve to enable the decomposition screw rod to be fastened by the balance shaft sleeve and the column.
In one or more embodiments of the method of decomposing the balance sleeve, the pressing member includes a nut, and tightening the nut presses the top plate until the balance sleeve is separated from the rotating shaft.
In one or more embodiments of the balance sleeve disassembling method, the extension, the top plate, and the rotation shaft are coaxially disposed.
The progressive effects of the scheme include but are not limited to:
through extension, roof, the setting of decomposition screw rod and the extruded article of decomposition subassembly for utilize the decomposition subassembly to decompose easy operation to balanced axle sleeve, the balanced machine reservation interface that utilizes balanced axle sleeve ingeniously fastens with the decomposition screw rod, makes the commonality of decomposition subassembly good. The decomposition assembly further comprises a column piece, so that the decomposition screw is locked in a row, the decomposition screw is prevented from rotating relative to the balance shaft sleeve in the decomposition process, the balance shaft sleeve is easy to decompose, the operation is more labor-saving, and the service life of the decomposition assembly is prolonged. In addition, good reliability of the balance shaft sleeve, the extension section and the top plate can be achieved, and the balance shaft sleeve is prevented from being pulled to be deviated in the decomposition process, so that the balance shaft sleeve is difficult to decompose.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments in conjunction with the accompanying drawings, it being noted that the drawings are given by way of example only and are not drawn to scale, and should not be taken as limiting the scope of the invention which is actually claimed, wherein:
fig. 1 is a schematic sectional view of an assembly structure of a turbine shaft and a balance shaft sleeve of an aircraft engine.
Fig. 2 is an external perspective view of an assembly structure of a balance sleeve and a turbine shaft.
Fig. 3 is a schematic illustration of an assembled configuration of a balance sleeve disassembly assembly and a balance sleeve according to one or more embodiments.
Fig. 4 is a sectional view according to fig. 3.
Detailed Description
The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and do not limit the scope of the invention.
It should be understood that the terms "first", "second", etc. are used to define the components, and are used only for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, should not be construed as limiting the scope of the present invention. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.
In the following description, the rotating shaft is described by taking a turbine shaft as an example.
Referring to fig. 3 and 4, in one embodiment, balance sleeve decomposition assembly 100 includes extension 1, top plate 2, decomposition screw 3, and extrusion 4. The extension section 1 is fastened with the axial tail end of the turbine shaft 10, which is equivalent to the axial length of the extension turbine shaft 10, a top plate 2 is axially positioned on the extension section 1, the top plate is provided with a plurality of mounting holes 22, the decomposing screws 3 are uniformly distributed in the circumferential direction of the top plate and correspondingly penetrate through the plurality of mounting holes 22, one end of each decomposing screw 3 is in threaded connection and fastening with a balance machine reserved interface 203 of the balance shaft sleeve 20, each decomposing screw 3 is provided with a first threaded section 31, a part of each first threaded section 31 is in threaded connection and fastening with the balance machine reserved interface 203, so that the decomposing screw 3 and the balance shaft sleeve 20 can be regarded as a whole, the extrusion piece 4 is fixedly connected with the decomposing screw 3, namely the extrusion piece 4 can be regarded as a whole with the decomposing screw 3 and the balance shaft sleeve 20, the extrusion piece 4 can exert axial extrusion force F1 on the top plate 2 and can receive reaction force F2 of the top plate 2 on the F1, as described above, the extrusion member 4 is fixedly connected with the decomposition screw rod 3, namely, the extrusion member 4 can be integrally seen with the decomposition screw rod 3 and the balance shaft sleeve 20, so that the balance shaft sleeve 20 is axially pulled out under the action of the reaction force F2. The beneficial effects of this are that, to balanced axle sleeve 20's decomposition easy operation, and the commonality of decomposing the subassembly is good. The principle is that through the arrangement of the extension section 1 and the top plate, the extension section is arranged at the tail end of the turbine shaft, sufficient axial distance is provided for the decomposition of the balance shaft sleeve in a mode of prolonging the low-pressure turbine shaft, so that the decomposition operation has enough operation space and provides enough installation space for installing the top plate, through the mode of supporting the top plate outside the turbine shaft extension section, the top plate can be regarded as a whole with the turbine shaft, then through the extrusion of the extrusion piece 4, the balance shaft sleeve is separated from the turbine shaft by the axial force generated by the end face of the top plate, through the arrangement that the extrusion piece is fixedly connected with the decomposition screw rod, the axial force for decomposing the balance shaft sleeve 20 is obtained through the structure that the axial extrusion is subjected to reaction force, meanwhile, the turbine shaft 10 of the engine has a plurality of specifications, and the turbine shafts 10 of different specifications correspond to different balance shaft sleeves 20 in the research and development process is skillfully utilized, however, as shown in fig. 2, the sizes of the balance shaft sleeve 20 and the balance machine reserved interface 203 of the balance machine for performing the balance test are uniform, so that not only the integral connection with the decomposition screw 3 is realized through the balance machine reserved interface 203, but also the balance shaft sleeve decomposition assembly 100 can be applied to the balance shaft sleeves 20 corresponding to the turbine shafts 10 of various specifications, the universality of the decomposition tool is greatly improved, the decomposition tool is simple to operate and strong in universality, the working hours for the assembly process are reduced, and the process cost is reduced.
With continued reference to fig. 3 and 4, in one or more embodiments, the fixed connection between the extrusion member 4 and the balance screw 3 may be realized by the specific structure that the extrusion member 4 comprises the nut 40, the disassembly screw 3 has the second thread section 32 matched with the nut 40, and the axial pressing force F1 is applied to the top plate 2 by screwing the nut 40, so that the disassembly assembly has the advantages of low cost and simple operation. The nut is an inexpensive part which is easy to obtain, and the operation of applying the axial pressing force F1 can be performed only by screwing the nut without additional processing and man-hours, thereby further improving the operational convenience of the disassembling apparatus.
With continued reference to fig. 3 and 4, in some embodiments, the balance shaft sleeve disassembling assembly 100 may further include a column 5, the column 5 has an internal thread portion 51, the internal thread portion 51 forms a thread fastening with the first thread segment 31, that is, a part of the first thread segment 31 is thread-connected with the balance machine reserved interface 203, and a part of the first thread segment 31 is thread-connected with the internal thread portion 51, after the column 5 is thread-connected with the first thread segment 31, the balance shaft sleeve 20 is axially pressed, so that the balance shaft sleeve 20 is easier to disassemble, the operation is more labor-saving, and the life of the disassembling assembly is prolonged, according to the principle that, after the column 5 is thread-connected with the first thread segment 31, the balance shaft sleeve 20 is axially pressed, together with the part which is originally thread-connected with the balance machine reserved interface 203, to form a double thread locking, so as to prevent the disassembling screw 3 from rotating relative to the balance shaft sleeve 20 during the disassembling process, the axial force applied for decomposing the balance shaft sleeve 20 is prevented from being dispersed, and the condition that the decomposition screw rod 3 and the balance shaft sleeve 20 are loosened and stressed is also prevented from causing excessive damage and influencing the service life.
With continued reference to fig. 3 and 4, in one or more embodiments, a specific structure of the top plate 2 axially positioned in the extension section 1 may be that the extension section 1 has a shaft shoulder 11, the top plate 2 has a positioning hole 21, the extension section 1 is in clearance fit with the positioning hole 21, the top plate 2 is positioned at the shaft shoulder 11, and the extension section 1 and the top plate 2 are coaxially arranged, which has the beneficial effects that not only can the assembly positioning between the top plate 2 and the extension section 1 be ensured to be easy to operate, but also the top plate 2 and the turbine shaft 10 can be perfectly concentric, and the balance shaft sleeve 20 can be effectively prevented from being pulled off in the disassembly process, which results in difficulty in disassembly. Preferably, in some embodiments, the extension 1 is connected to the axial end of the turbine shaft 10 by a screw-thread fit 101, so that the connection of the extension 1 to the turbine shaft 10 can be made stable and the connection operation can be easily performed.
The step of operating the balance sleeve split assembly 100 of one or more of the above embodiments to split the balance sleeve 20 from the turbine shaft 10 may be:
screwing a nut 40 to the vicinity of the end of the decomposition screw 3;
sleeving the extension section 1 at the shaft end of the turbine shaft 10, and screwing the extension section and the shaft end through thread matching 101;
step three, mounting the top plate 2 on the shoulder 11 of the extension section 1;
step four, after the decomposition screw 3 with the nut 40 passes through the mounting hole 22 of the top plate 2, the column body 5 is screwed to the first thread section 31 of the decomposition screw 3, and partial threads are required to be exposed;
step five, screwing the decomposition screw rod 3 to a balance machine reserved interface 203 of the balance shaft sleeve 20 until the end face of the column 5 is in contact extrusion with the end face of the balance shaft sleeve 20;
step six, repeatedly fixing at least 3 decomposition screws 3 to the balance shaft sleeve 20 according to the steps one, four and five in a circumferentially uniform distribution mode;
step seven, screwing the nut 40 in sequence until the nut 40 is attached to the top plate 2;
and step eight, continuing to slowly screw the nuts 40 one by one, wherein in the screwing process of the nuts 40, the balance shaft sleeve 20 is pulled out of the turbine shaft 10 by the reaction force F2 of the axial extrusion force F1 of the nuts 40 on the end surface of the top plate 2.
As mentioned above, the method for disassembling the balance sleeve 20 from the turbine shaft 10 which is in interference fit with the balance sleeve comprises:
providing an extension section 1, extending the axial length of the turbine shaft 10;
providing a top plate 2, axially positioned with the extension 1;
providing a plurality of decomposition screw rods 3 which are uniformly distributed along the circumferential direction, enabling each decomposition screw rod 3 to penetrate through the top plate 2, and fixedly connecting the decomposition screw rods with the reserved interface 203 of the balancing machine to be fixedly connected with the balancing shaft sleeve 20;
the extrusion part 4 is provided and fixedly connected with the decomposition screw 3, axial extrusion force is applied to the top plate 2, the axial extrusion force is transmitted to the decomposition screw 3 connected with the decomposition screw by reaction force, and finally transmitted to the balance shaft sleeve 20 fixedly connected with the decomposition screw 3, and the balance shaft sleeve 20 is separated from the turbine shaft 10 in interference fit with the balance shaft sleeve 20 under the action of the reaction force.
In an embodiment, the method for disassembling the balance shaft sleeve can further comprise providing a column 5, fastening the column 5 disassembling screw 3, and pressing the balance shaft sleeve 20, so that the disassembling screw 3 is subjected to double fastening of the balance shaft sleeve 20 and the column 5.
In some embodiments, the balance sleeve disassembly method may further include the step of the pressing member 4 including the nut 40, and tightening the nut 40 to press the top plate 2 until the balance sleeve 20 is separated from the turbine shaft 10, thereby facilitating disassembly operations, which may be suitable for tools or even robotic arms.
In some embodiments, the method for disassembling the balance shaft sleeve may further include disposing the extension section 1, the top plate 2 and the turbine shaft 10 coaxially, and good concentricity of the extension section, the top plate and the turbine shaft 10 may effectively prevent the balance shaft sleeve 20 from being pulled off during the disassembling process, which may result in difficulty in disassembling.
In summary, the beneficial effects of the balance shaft sleeve decomposition assembly and the method described in the above embodiments include, but are not limited to:
1. the principle of the decomposition operation of the balance shaft sleeve is that the extension section 1 and the top plate are arranged, the extension section is installed at the tail end of a turbine shaft, sufficient axial distance is provided for decomposition of the balance shaft sleeve in a mode of prolonging a low-pressure turbine shaft, the decomposition operation has enough operation space and sufficient installation space for installing the top plate, the top plate and the turbine shaft can be regarded as a whole in a mode of supporting the top plate outside the turbine shaft extension section, the balance shaft sleeve is separated from the turbine shaft by axial force generated by the end face of the top plate through extrusion of the extrusion piece 4, and the axial force for decomposing the balance shaft sleeve 20 is obtained through a structure that the extrusion piece 4 is fixedly connected with the decomposition screw rod 3 and the axial force is applied by axial extrusion.
2. Balanced axle sleeve easily decomposes, the more laborsaving and life-span of extension decomposition subassembly of operation, its principle lies in through post and 31 fastening connection backs of first screw thread section, at balanced axle sleeve 20 of axial extrusion, with just reserve interface 203 threaded connection's part with balanced machine originally, dual screw thread locking has been formed, prevent to decompose screw rod 3 and take place relative rotation with balanced axle sleeve 20 at the decomposition in-process, avoid the axial force dispersion of exerting for decomposing balanced axle sleeve 20, also avoid decomposing screw rod 3 and balanced axle sleeve 20 the condition of not hard up atress and lead to excessive damage and influence life-span.
3. The balance sleeve 20 is prevented from being pulled off in the disassembly process, which results in difficulty in disassembly, and the principle thereof is to achieve good concentricity of the top plate 2, the extension 1 and the turbine shaft 10.
Although the present invention has been disclosed in the above-mentioned embodiments, it is not intended to limit the present invention, and those skilled in the art may make variations and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope defined by the claims of the present invention, unless the technical essence of the present invention departs from the content of the present invention.
Claims (9)
1. A balanced axle sleeve decomposition assembly for separating a balanced axle sleeve from a rotating shaft in interference fit therewith, the balanced axle sleeve having a plurality of balanced machine reserve interfaces, comprising:
the extension section is used for being fastened with the axial tail end of the rotating shaft so as to extend the axial length of the rotating shaft;
a top plate axially positioned at the extension section and having a plurality of mounting holes;
the plurality of disassembly screws are uniformly distributed along the circumferential direction of the top plate, penetrate through the plurality of corresponding mounting holes and are in threaded connection and fastening with at least part of reserved interfaces of the balancing machines; each decomposition screw is provided with a first thread section, and at least one part of the first thread section is in threaded connection and fastening with the reserved interface of the balancing machine; and
and the extrusion part is fixedly connected with the decomposition screw rod, can apply axial extrusion force to the top plate and receive the reaction force of the extrusion force, and the reaction force enables the balance shaft sleeve to be separated from the rotating shaft.
2. The bushing decomposition assembly of claim 1 wherein said extrusion comprises a nut, said decomposition screw having a second threaded section engaged with said nut, said axial compressive force being applied to said top plate by tightening of said nut.
3. The bushing decomposition assembly of claim 1, further comprising a post having an internally threaded portion that forms a threaded fastening with said first threaded section, wherein said post compresses said balance bushing in an axial direction upon fastening.
4. The bushing decomposition assembly of claim 1 wherein said extension has a shoulder and said top plate has an alignment hole, said extension being in clearance fit with said alignment hole, said top plate being positioned at said shoulder; the extension section and the top plate are coaxially arranged.
5. The balance sleeve subassembly of claim 4 wherein said extension has an externally threaded section through which said shaft is threadably secured to said shaft axial end.
6. A method for disassembling a balance sleeve, for separating the balance sleeve from a rotating shaft in interference fit therewith, the balance sleeve having a plurality of balance machine reserved interfaces, comprising:
providing an extension section for extending the axial length of the rotating shaft;
providing a top plate axially positioned with the extension;
providing a plurality of decomposition screw rods which are uniformly distributed along the circumferential direction, enabling each decomposition screw rod to penetrate through the top plate, and fixedly connecting the decomposition screw rods with the reserved interfaces of the balance machine to be fixedly connected with the balance shaft sleeve;
and providing an extrusion part to fixedly connect the decomposition screw rod, applying axial extrusion force to the top plate, transmitting the reaction force to the decomposition screw rod connected with the top plate, and finally transmitting the reaction force to the balance shaft sleeve fixedly connected with the decomposition screw rod, wherein the balance shaft sleeve is separated from the rotating shaft in interference fit with the balance shaft sleeve under the action of the reaction force.
7. The balance sleeve disassembly method of claim 6, further comprising: and providing a column, fastening the column with the decomposition screw rod, and extruding the balance shaft sleeve to enable the decomposition screw rod to be fastened by the balance shaft sleeve and the column.
8. The balance sleeve decomposition method of claim 6 wherein the pressing member comprises a nut, tightening the nut pressing the top plate until the balance sleeve is separated from the shaft.
9. The balance sleeve disassembling method of claim 6, wherein said extension, top plate and said rotation shaft are coaxially disposed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207488.0A CN113427432B (en) | 2020-03-23 | 2020-03-23 | Balance shaft sleeve disassembling assembly and disassembling method |
| PCT/CN2020/139980 WO2021190023A1 (en) | 2020-03-23 | 2020-12-28 | Balance shaft sleeve decomposition assembly, and balance shaft sleeve decomposition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207488.0A CN113427432B (en) | 2020-03-23 | 2020-03-23 | Balance shaft sleeve disassembling assembly and disassembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113427432A true CN113427432A (en) | 2021-09-24 |
| CN113427432B CN113427432B (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010207488.0A Active CN113427432B (en) | 2020-03-23 | 2020-03-23 | Balance shaft sleeve disassembling assembly and disassembling method |
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| Country | Link |
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| CN (1) | CN113427432B (en) |
| WO (1) | WO2021190023A1 (en) |
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| CN114290037A (en) * | 2021-12-24 | 2022-04-08 | 华能国际电力江苏能源开发有限公司南京电厂 | Method for disassembling and assembling threaded handle type retaining ring of steam turbine generator |
| CN117105341B (en) * | 2023-10-08 | 2024-04-09 | 山东沣纳环保科技有限公司 | Seawater purifying membrane shell and preparation method thereof |
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| CN105033949A (en) * | 2015-08-25 | 2015-11-11 | 永济新时速电机电器有限责任公司 | Disassembly and assembly tool for cooling fan of wind driven generator |
| CN105108702A (en) * | 2015-09-21 | 2015-12-02 | 山东电力建设第一工程公司 | Motor fan detaching tool |
| CN105171687A (en) * | 2015-10-09 | 2015-12-23 | 西安航空动力股份有限公司 | Disassembling tool and disassembling method for bevel gear component bearing |
| CN205438399U (en) * | 2015-12-30 | 2016-08-10 | 中国神华能源股份有限公司 | Disc brake piston extracting tool |
| CN207071896U (en) * | 2017-06-12 | 2018-03-06 | 华润水泥技术研发有限公司 | The online extracting tool of large-scale self-aligning bearing |
| CN109987208A (en) * | 2019-04-03 | 2019-07-09 | 江龙船艇科技股份有限公司 | A kind of propeller disassembly and assembly structure and propeller assembly and disassembly methods |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021190023A1 (en) | 2021-09-30 |
| CN113427432B (en) | 2022-12-02 |
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