CN111473092A - Complete machine balance structure and engine with same - Google Patents
Complete machine balance structure and engine with same Download PDFInfo
- Publication number
- CN111473092A CN111473092A CN202010317398.7A CN202010317398A CN111473092A CN 111473092 A CN111473092 A CN 111473092A CN 202010317398 A CN202010317398 A CN 202010317398A CN 111473092 A CN111473092 A CN 111473092A
- Authority
- CN
- China
- Prior art keywords
- counterweight
- weight
- balance
- state
- balance weight
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
- F16F15/322—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels the rotating body being a shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
- F16F15/34—Fastening arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Testing Of Balance (AREA)
Abstract
The application belongs to the technical field of engine complete machine balance design, concretely relates to complete machine balanced structure, include: the oil distribution sleeve is provided with a balance weight edge; the balance weight edge is provided with a plurality of weight parts along the circumferential direction; a plurality of weight assemblies, each weight assembly having a balanced weight state, a non-balanced weight state; when a counterweight component is in a balance counterweight state, the counterweight component is connected to a counterweight part; when in the state of non-balance weight, the weight is separated from the connected weight part. In addition, relate to an engine that has above-mentioned complete machine balanced structure.
Description
Technical Field
The application belongs to the technical field of engine complete machine balance design, and particularly relates to a complete machine balance structure and an engine with the same.
Background
In the test process of the whole engine test, the air inlet casing and the intermediate casing are easy to vibrate and overrun, and the whole engine needs to be balanced in order to solve the problem that the air inlet casing and the intermediate casing are easy to vibrate and overrun in the test process of the whole engine test.
At present, the balance weight mounting edge is arranged on a rotor wheel disc, the balance weight mounting edge is provided with a balance weight for trial weight, the unbalance amount of an engine is obtained based on a three-circle method, and then the unbalance amount is eliminated through the position and the mass of the balance weight reasonably arranged on the balance weight mounting edge, so as to realize the balance of the whole engine, thereby overcoming the problem that an air inlet casing and an intermediary casing are easy to vibrate and exceed the limit in the test run process of the whole engine, the technical scheme for balancing the whole engine needs to repeatedly replace the balance weight on the balance weight mounting edge, because the balance weight mounting edge is arranged on the rotor wheel disc, the air inlet casing and related parts of the engine need to be disassembled when the balance weight is replaced each time, the balance weight mounting edge and the balance weight thereof are exposed, then the replacement of the balance weight is completed, and then the air inlet casing and related parts of the engine are assembled for testing, the process is complicated and complex, the period is long, a large amount of manpower and material resources are consumed, and the improvement of the test efficiency is seriously limited.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
The purpose of this application is to provide a complete machine balanced structure and have its engine to overcome or alleviate technical defect of at least one aspect of known existence.
The technical scheme of the application is as follows:
one aspect provides a complete machine balance structure, including:
the oil distribution sleeve is provided with a balance weight edge; the balance weight edge is provided with a plurality of weight parts along the circumferential direction;
a plurality of weight assemblies, each weight assembly having a balanced weight state, a non-balanced weight state; when a counterweight component is in a balance counterweight state, the counterweight component is connected to a counterweight part; when in the state of non-balance weight, the weight is separated from the connected weight part.
According to at least one embodiment of the application, each counterweight part on the counterweight edge is provided with a jack;
each weight assembly includes:
a counterweight bolt;
a counterweight nut;
when one counterweight component is in a counterweight state, a screw rod of a counterweight bolt of the counterweight component penetrates through one jack to be in threaded connection with a counterweight nut of the counterweight component; when the balance weight is in a non-balance weight state, the screw rod of the heavy bolt is separated from the balance weight nut and is separated from the through jack.
According to at least one embodiment of the application, each counterweight part on the counterweight edge is provided with a jack;
each weight assembly includes: a balancing weight;
when one counterweight component is in a balance counterweight state, the counterweight block of the counterweight component is inserted into one jack; when the balance weight is in the non-balance weight state, the balance weight block is pulled out from the inserted jack.
Furthermore, when one counterweight component is in a counterweight state, the counterweight block of the counterweight component is in threaded fit connection with one jack; when the balance weight is in the non-balance weight state, the balance weight block is pulled out from the inserted jack.
Another aspect provides an engine comprising:
in any of the above complete machine balance structures, the oil distribution sleeve of the complete machine balance structure is arranged on the shaft neck of the rotor of the engine.
The application has at least the following beneficial technical effects:
on one hand, the whole balancing structure is provided, and when the whole balancing structure is applied to balancing the whole engine, the following steps can be carried out:
arranging part of counterweight components on the counterweight edge of the oil distribution sleeve in a counterweight state for testing, and obtaining the unbalance of the engine based on a three-circle method;
the counterweight component in the counterweight state is replaced and adjusted on the counterweight edge of the oil distribution sleeve, and the unbalance is eliminated, so that the balance of the whole engine is realized.
The oil distributing sleeve is arranged on the shaft neck of the rotor of the engine in the complete machine balance structure, the oil distributing sleeve can be directly disassembled from the shaft neck of the rotor, the disassembling process does not involve disassembling an air inlet casing of the engine and relevant parts of the air inlet casing of the engine, the counterweight assembly is arranged on the side of the counterweight of the engine and is in a counterweight state and replaced, when the counterweight assembly in the counterweight state is adjusted, the oil distributing sleeve can be conveniently disassembled from the shaft neck of the rotor, the arrangement, replacement and adjustment of the counterweight state of the counterweight assembly on the side of the counterweight can be conveniently realized, and the oil distributing sleeve can be quickly assembled on the shaft neck of the rotor to be tested.
On the other hand, the engine is provided with the whole balance structure, and when the whole balance structure of the engine is balanced, the engine can be carried out by the following steps:
arranging part of counterweight components on the counterweight edge of the oil distribution sleeve in a counterweight state for testing, and obtaining the unbalance of the engine based on a three-circle method;
the counterweight component in the counterweight state is replaced and adjusted on the counterweight edge of the oil distribution sleeve, and the unbalance is eliminated, so that the balance of the whole engine is realized.
The oil distribution sleeve is arranged on the shaft neck of the rotor in the engine, the oil distribution sleeve can be directly disassembled from the shaft neck of the rotor, the disassembly process does not involve the disassembly of an air inlet casing of the engine and related parts of the air inlet casing of the engine, the counterweight assembly is arranged on the counterweight edge of the engine and is in a counterweight state and replaced, when the counterweight assembly in the counterweight state is adjusted, the oil distribution sleeve can be conveniently disassembled from the shaft neck of the rotor, the counterweight assembly can be conveniently arranged on the counterweight edge of the engine and is in the counterweight state, replaced and adjusted, and then the oil distribution sleeve can be quickly assembled on the shaft neck of the rotor to perform tests, and has higher test efficiency and can greatly shorten the test period.
Drawings
FIG. 1 is a schematic diagram of a balance structure of a complete machine according to an embodiment of the present application;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a schematic illustration of a portion of an engine provided by an embodiment of the present application;
wherein:
1-oil separation sleeve; 2-balancing the counterweight side; 3-a counterweight bolt; 4-a counterweight nut; 5-engine rotor journal.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 3.
One aspect provides a complete machine balance structure, including:
the oil distribution sleeve 1 is provided with a balance weight edge 2; the balance weight edge 2 is provided with a plurality of weight parts along the circumferential direction;
a plurality of weight assemblies, each weight assembly having a balanced weight state, a non-balanced weight state; when a counterweight component is in a balance counterweight state, the counterweight component is connected to a counterweight part; when in the state of non-balance weight, the weight is separated from the connected weight part.
For the complete machine balancing structure disclosed in the above embodiments, those skilled in the art can understand that the oil distribution sleeve 1 in the engine is arranged on the rotor journal 5 of the engine, and is used for supplying oil to the bearing, and plays a role in isolating the oil supply cavity from the rotor inner cavity, and the steps of the oil distribution sleeve can be performed as follows when the oil distribution sleeve is applied to balancing the complete machine of the engine:
arranging part of counterweight components on the counterweight edge 2 of the oil distribution sleeve 1 in a counterweight state for trial weighing, and obtaining the unbalance of the engine based on a three-circle method;
the counterweight component in a counterweight state is replaced and adjusted on the counterweight edge 2 of the oil distribution sleeve 1, and unbalance is eliminated, so that the balance of the whole engine is realized.
For the complete machine balance structure disclosed in the above embodiment, as can be understood by those skilled in the art, the oil distributing sleeve 1 in the engine is arranged on the rotor journal 5 of the engine, and can be directly disassembled from the rotor journal 5, the disassembling process does not involve disassembling the air inlet casing of the engine and the related components thereof, when the counterweight component is arranged on the counterweight edge 2 of the engine, and is in a counterweight state, and the counterweight component in the counterweight state is replaced and adjusted, the oil distributing sleeve can be conveniently disassembled from the rotor journal 5, so that the counterweight state of the counterweight component on the counterweight edge 2 can be conveniently set, replaced and adjusted, and then the oil distributing sleeve can be quickly assembled on the rotor journal 5 for testing, and the test efficiency is high, and the test period can be greatly shortened.
In some optional embodiments, each counterweight part on the balance counterweight edge 2 is provided with an insertion hole;
each weight assembly includes:
a counterweight bolt 3;
a balance weight nut 4;
when one counterweight component is in a balance counterweight state, a screw rod of a counterweight bolt 3 passes through one jack to be in threaded connection with a counterweight nut 4, so that the situation that the counterweight component flies off from a counterweight part in the test process is avoided; when the balance weight is not balanced, the screw rod of the heavy bolt 3 is separated from the balance weight nut 4 and is separated from the through jack.
In some optional embodiments, each counterweight part on the balance counterweight edge 2 is provided with an insertion hole;
each weight assembly includes: a balancing weight;
when one counterweight component is in a balance counterweight state, the counterweight block of the counterweight component is inserted into one jack; when the balance weight is in the non-balance weight state, the balance weight block is pulled out from the inserted jack.
Furthermore, when one counterweight component is in a balance counterweight state, the counterweight block of the counterweight component is in threaded fit connection with one jack, so that the counterweight component is prevented from flying off from a counterweight part in the test process; when the balance weight is in the non-balance weight state, the balance weight block is pulled out from the inserted jack.
In another aspect, an engine is provided, including:
in any one of the above complete machine balance structures, the oil distribution sleeve 1 of the complete machine balance structure is arranged on the engine rotor journal 5.
For the engine disclosed in the above embodiments, it can be understood by those skilled in the art that the engine complete machine balancing can be performed by the following steps:
arranging part of counterweight components on the counterweight edge 2 of the oil distribution sleeve 1 in a counterweight state for trial weighing, and obtaining the unbalance of the engine based on a three-circle method;
the counterweight component in a counterweight state is replaced and adjusted on the counterweight edge 2 of the oil distribution sleeve 1, and unbalance is eliminated, so that the balance of the whole engine is realized.
For the engine disclosed in the above embodiment, as can be understood by those skilled in the art, the oil distributing sleeve 1 in the engine is disposed on the rotor journal 5 of the engine, and can be directly disassembled from the rotor journal 5, the disassembling process does not involve disassembling the engine air inlet casing and related components thereof, when the counterweight assembly disposed on the counterweight edge 2 is in the counterweight state, and the counterweight assembly in the counterweight state is replaced and adjusted, the oil distributing sleeve can be conveniently disassembled from the rotor journal 5, so as to conveniently realize the setting, replacement and adjustment of the counterweight state of the counterweight assembly disposed on the counterweight edge 2, and thereafter, the oil distributing sleeve can be quickly assembled on the rotor journal 5 for testing, thereby achieving higher testing efficiency and greatly shortening the testing period.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (5)
1. A complete machine balance structure is characterized by comprising:
the oil distribution sleeve (1) is provided with a balance weight edge (2); the balance weight side (2) is provided with a plurality of weight parts along the circumferential direction;
a plurality of weight assemblies, each of said weight assemblies having a balanced weight state, an unbalanced weight state; one of said weight assemblies being connected to one of said weight locations when in said balance weight state; in the non-balance weight state, the weight is separated from the connected weight part.
2. The complete machine balance structure of claim 1,
each balance weight part on the balance weight edge (2) is provided with an insertion hole;
each of the weight assemblies includes:
a counterweight bolt (3);
a balance weight nut (4);
when one counterweight component is in the counterweight state, the screw rod of the counterweight bolt (3) passes through one jack and is in threaded connection with the counterweight nut (4); when the balance weight is in the non-balance weight state, the screw rod of the heavy bolt (3) is separated from the balance weight nut (4) and is separated from the through jack.
3. The complete machine balance structure of claim 1,
each balance weight part on the balance weight edge (2) is provided with an insertion hole;
each of the weight assemblies includes: a balancing weight;
when one counterweight component is in the counterweight state, the counterweight block of the counterweight component is inserted into one jack; when the balance weight is in the non-balance weight state, the balance weight block is separated from the inserted jack.
4. The complete machine balance structure of claim 3,
when one counterweight component is in the counterweight state, the counterweight block of the counterweight component is in threaded fit connection with one jack; when the balance weight is in the non-balance weight state, the balance weight block is separated from the inserted jack.
5. The engine of claim 1, comprising:
the complete machine balance structure of any one of claims 1 to 4, wherein the oil distribution sleeve (1) of the complete machine balance structure is arranged on a shaft neck (5) of an engine rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317398.7A CN111473092A (en) | 2020-04-21 | 2020-04-21 | Complete machine balance structure and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010317398.7A CN111473092A (en) | 2020-04-21 | 2020-04-21 | Complete machine balance structure and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111473092A true CN111473092A (en) | 2020-07-31 |
Family
ID=71755262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010317398.7A Pending CN111473092A (en) | 2020-04-21 | 2020-04-21 | Complete machine balance structure and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111473092A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324860A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Engine complete machine balance structure |
| CN112943901A (en) * | 2021-02-05 | 2021-06-11 | 中国航发沈阳发动机研究所 | Gear transmission structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060188379A1 (en) * | 2004-04-14 | 2006-08-24 | Pratt & Whitney Canada Corp. | Apparatus and method of balancing a shaft |
| US20110081253A1 (en) * | 2009-10-01 | 2011-04-07 | Pratt & Whitney Canada Corp. | Gas turbine engine balancing |
| CN203534768U (en) * | 2013-09-30 | 2014-04-09 | 浙江露通机电有限公司 | Compressor wheel dynamic balancing counterweight structure |
| CN206513405U (en) * | 2017-01-23 | 2017-09-22 | 中国航发沈阳发动机研究所 | A kind of low-pressure turbine balance weight structure and the engine with it |
| CN109630204A (en) * | 2018-11-27 | 2019-04-16 | 中国航发沈阳发动机研究所 | A kind of rotor balancing clump weight fixed structure |
-
2020
- 2020-04-21 CN CN202010317398.7A patent/CN111473092A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060188379A1 (en) * | 2004-04-14 | 2006-08-24 | Pratt & Whitney Canada Corp. | Apparatus and method of balancing a shaft |
| US20110081253A1 (en) * | 2009-10-01 | 2011-04-07 | Pratt & Whitney Canada Corp. | Gas turbine engine balancing |
| CN203534768U (en) * | 2013-09-30 | 2014-04-09 | 浙江露通机电有限公司 | Compressor wheel dynamic balancing counterweight structure |
| CN206513405U (en) * | 2017-01-23 | 2017-09-22 | 中国航发沈阳发动机研究所 | A kind of low-pressure turbine balance weight structure and the engine with it |
| CN109630204A (en) * | 2018-11-27 | 2019-04-16 | 中国航发沈阳发动机研究所 | A kind of rotor balancing clump weight fixed structure |
Non-Patent Citations (1)
| Title |
|---|
| 吴元东、娄金伟等: "《某型发动机风扇转子本机平衡试验研究》", 《航空发动机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324860A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Engine complete machine balance structure |
| CN112943901A (en) * | 2021-02-05 | 2021-06-11 | 中国航发沈阳发动机研究所 | Gear transmission structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111473092A (en) | Complete machine balance structure and engine with same | |
| CN102330605B (en) | Heavy combustion engine assembling method for assembling rotor and front and rear supports in combining manner | |
| US11143031B2 (en) | Tool for balancing a turbine engine module comprising a cantilevered stator | |
| CN105136459B (en) | Joint bearing testing machine is combined in the system support of oscillating oil cylinder formula helicopter tail rotor | |
| CN105352732A (en) | Aeroengine fan shaft composite static force and fatigue tester | |
| CN110328493A (en) | The method for controlling the axial gap between the blade tip and outer cover of centrifugal impeller | |
| CN202225728U (en) | Pull rod type rear suspension structure for automotive engine | |
| CN110849568B (en) | Method for testing fatigue life of structure | |
| CN107883902B (en) | A kind of turbine rotor assembly jitter detection apparatus | |
| CN109236949A (en) | A kind of combined fly wheel | |
| CN105910825A (en) | Simulation tester for biaxial heavy-duty bearing | |
| CN108133075A (en) | A kind of aero-engine Axle Parts support stiffness simulator | |
| EP3214421A1 (en) | Mass simulator and uses thereof | |
| CN107588891B (en) | Fanjet rotor single-stage disk balance test squirrel-cage flexible balance device | |
| CN112324860A (en) | Engine complete machine balance structure | |
| CN109883631A (en) | Stiffness measurement device | |
| CN116085074A (en) | Balancing structure and method for fan rotor of aero-engine | |
| CN109441949A (en) | Tilting Pad bearing | |
| CN104477404A (en) | Ground validation method of main load-bearing structural member of fuselage under large load | |
| CN104165730A (en) | Dynamic balance testing method for rotor of nuclear-power chemical and volumetric make-up pump | |
| CN205748920U (en) | A kind of twin shaft heavy-duty bearing simulation test machine | |
| CN108896301B (en) | Device for testing axial fatigue performance of connecting rod of high-power diesel engine and using method thereof | |
| CN208579912U (en) | A kind of circular vibrating screen vibration excitor test device | |
| CN105675238B (en) | A kind of vibration of arm experimental rig | |
| CN218349791U (en) | Electric spindle bearing life testing machine |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200731 |