CN201780188U - Mechanism for measuring dynamic balance of fan blade - Google Patents
Mechanism for measuring dynamic balance of fan blade Download PDFInfo
- Publication number
- CN201780188U CN201780188U CN2010202140422U CN201020214042U CN201780188U CN 201780188 U CN201780188 U CN 201780188U CN 2010202140422 U CN2010202140422 U CN 2010202140422U CN 201020214042 U CN201020214042 U CN 201020214042U CN 201780188 U CN201780188 U CN 201780188U
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- main shaft
- flabellum
- measure body
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- group
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Abstract
The utility model relates to a mechanism for measuring dynamic balance of a fan blade, which comprises a baseframe and a main shaft rotationally arranged on the frame; a mandrel component comprises a pull rod and a holding jaw which are locked and connected with each other; the mandrel component is arranged in the main shaft; an elastic push piece is arranged at the end of the main shaft corresponding to the mandrel component; a pneumatic cylinder is used for pushing and pressing the elastic push piece; a driving component is used for driving the main shaft to rotate; a pair of vibration sensors are combined with the frame, correspond to the radial direction of the main shaft, and are used for measuring the integral vibratory output; and the unbalanced vibratory output of the passive piece (a fan rotor) can be obtained and supplemented and corrected through matching with the appropriate calculation way. In addition, after the holding jaw is dismounted, another holding jaw can be locked and connected with the pull rod to replace the holding jaws, so that the mechanism for measuring dynamic balance of the fan blade is simple and convenient to operate.
Description
[technical field]
The utility model is the measuring mechanism about a kind of fan propeller vibratory output, particularly can change the flabellum balancing measure body of jaw by the preceding mode of tearing open.
[background technology]
The fan that is used in the 3C Product has the characteristic that body is little, rotating speed is high, so degree of stability and the transient equilibrium of product when rotating is quite important.Yet fan propeller (combination of flabellum and rotating shaft) just rotor can produce unbalance vibration when rotating, causes rotor oscillation if produce defective in manufacturing or assembling process, and quality and serviceable life descend.
Generally can see through the dynamic balance calibration program and reduce rotor unbalance value.When actual dynamic balancing measurement, rotor to be measured (Passive part) can be fixed in rotating machinery (driving link) and form a system, and drive Passive part, and then measure whole unbalance vibration amount with driving link with power.But because factors such as mechanical precision tolerance and assemblings, rotor to be measured and rotating machinery are difficult to the state that reaches coaxial or concentric; Therefore the vibratory output that measures is the vibration synthetic quantity of rotor to be measured and rotating machinery.
About the uneven revisal of fan propeller, can measure the unbalance vibration amount of rotor by vibration transducer, converse the unbalance mass, of fan propeller then by the unbalance vibration amount; Carry out revisal according to unbalance mass, again.No. 097119593 " measuring method of fan propeller unbalance vibration amount " patent application case of TaiWan, China number of patent application promptly is to disclose a fan propeller is positioned on the fan belt actuation mechanism, record the unbalance vibration amount of fan propeller and fan belt actuation mechanism, again fan propeller or fan belt actuation mechanism are moved relative different angles, record the unbalance vibration amount of fan propeller and fan belt actuation mechanism for the second time again; Can calculate fan propeller and fan belt actuation mechanism other unbalance vibration amount by twice unbalance vibration value and move angle.
According to the shown measuring mechanism of case before this patent, when changing fan propeller, need to change whole main shaft with the different fan propeller of correspondence, so inconvenient operation and time-consuming.
[summary of the invention]
The purpose of this utility model is to provide a kind of flabellum balancing measure body, and it has the convenient effect of jaw to change of taking out.
The utility model is achieved in that a kind of flabellum balancing measure body, and it comprises: a support, and its tool one base and a platform, and a plurality of resiliency supported device is configured between this base and this platform; One main shaft is rotating group and is located on this platform that it has one first end and one second end; One arbor assembly is the inside that group is located at this main shaft; One elasticity push piece is that group is located at second end of this main shaft and to end that should arbor assembly; One pneumatic cylinder is that group is located on this base and to should the elasticity push piece; One driven unit is to comprise a motor and a belt, and this motor configurations links this main shaft at an end of this support and this belt; A pair of Vibration Sensor is in conjunction with this platform and corresponding main shaft radially.
The measuring mechanism that the utility model discloses comprises a support and a main shaft is located on this support for rotating group; One arbor assembly group is located at the inside of main shaft, and an elasticity push piece group is located at the end of corresponding arbor assembly on the main shaft; One pneumatic cylinder is in order to pushing elasticity push piece, and a driven unit rotates in order to drive main shaft; A pair of Vibration Sensor in conjunction with support and corresponding main shaft diameter to, in order to measure whole vibratory output.The suitable compute mode of arranging in pairs or groups again can obtain the unbalance vibration amount of Passive part (fan propeller) and carry out revisal.
In addition, arbor assembly is made of a jaw interlocking one pull bar, therefore only behind the removal jaw, again with another jaw interlocking on pull bar, can finish the replacing of jaw, so the utility model tool effect easy and simple to handle.
[description of drawings]
Fig. 1 is the outside drawing one of the utility model balancing measure body.
Fig. 2 is the outside drawing two of the utility model balancing measure body.
Fig. 3 is the combination appearance figure of the utility model main shaft and arbor assembly.
Fig. 4 is the utility model main axle structure synoptic diagram.
Fig. 5 is the utility model rotating speed sensor and the corresponding diagram that triggers structure.
Fig. 6 is the utility model user mode outside drawing.
Fig. 7 is the utility model user mode synoptic diagram.
Fig. 8 for the utility model in the past the mode of tearing open change the synoptic diagram of jaw.
The main element symbol description:
(10) support (12) base (14) platform
(16) resiliency supported device (18) resiliency supported device (20) main shaft
(22) first ends (24) second ends (26) trigger structure
(30) arbor assembly (32) pull bar (34) jaw
(36) profile groove (38) lock is compeled assembly (40) pneumatic cylinder
(50) driven unit (52) motor (54) belt
(60) Vibration Sensor (62) arm seat (70) elasticity push piece
(72) pushing block (74) elastic component (80) rotating speed sensor
(90) fan propeller
[embodiment]
See also Fig. 1 and Fig. 2, the balancing measure body that the utility model will disclose is to comprise a support (10), its tool one base (12) and a platform (14); Particularly, a plurality of resiliency supported devices (16) and (18) are configured between base (12) and this platform (14); Above-mentioned resiliency supported device (16) is a flexure strip, and another resiliency supported device (18) is a spring stack; The quantity of flexure strip and spring stack respectively is two, and is the arrangement that interlaces.The spread pattern of the adjacent spring stack of a flexure strip just.
One main shaft (20) is rotating group and is located on the platform (14).One end of main shaft (20) is defined as first end (22), and the other end is defined as second end (24) (see figure 1).One arbor assembly (30) is the inside that group is located at main shaft (20); One pneumatic cylinder (40) group is located at base (12) and goes up and corresponding main shaft (20); In other words, pneumatic cylinder (40) but ejection in second end (24) of main shaft (20), this moment, the resiliency supported device (16) of flexure strip structure can be resisted the thrust of pneumatic cylinder (40), made the platform (14) can be to top offset.
One driven unit (50) comprises a motor (52) and links a belt (54); The motor (52) of driven unit (50) is configured on the support (12) and an end of belt (54) links main shaft (20).
See also Fig. 1, a pair of vibration transducer (60) is to be configured on the arm seat (62), and arm seat (62) one ends are in conjunction with platform (14); The corresponding main shaft of above-mentioned vibration transducer (60) (20) radially.
See also Fig. 3 and Fig. 4, arbor assembly (30) group be located at main shaft (20) axially in, it comprises a pull bar (32) interlocking one jaw (34), wherein the outside surface of jaw (34) is the conical surface and axially has profile groove (36), when so jaw (34) protrudes main shaft (20) end, can present and open shape, and retraction main shaft (20) can present Shu Hezhuan when interior.
Please consult Fig. 4 again, more have a lock compel assembly (38) be locked on jaw (34) axially and the end of compeling to support pull bar (32) can make the more close and firm that combines of jaw (34) and pull bar (32).
Show among Fig. 4 that in addition an elasticity push piece (70) group is located at the end of second end (24) and the corresponding arbor assembly (30) of main shaft (20); More specifically, elasticity push piece (70) is made up of axial arrangement one elastic component (74) of a pushing block (72); This pushing block (72) is mounted on main shaft (20) one ends and in conjunction with pull bar (32) end of arbor assembly (30).
See also Fig. 5, a speed probe (80) is configured in support (10), and forms a triggering structure (26) on the surface of main shaft (20), and wherein speed probe (80) is corresponding main shaft (20).When the time that main shaft (20) rotates and adjacent secondary triggers structure (26) corresponding rotating speed sensors (80), can be converted into the rotating speed of main shaft (20).Each triggering structure (26) is relative with rotating speed sensor (80) in addition, can trigger vibration transducer (not shown) record primary system vibratory output.
More than be the structure of the utility model compensating device, and the forms of motion of element and the triggering opportunity of each sensor.
See also Fig. 6, therefore balancing measure body can be described as driving link because of possessing the effect that rotary power initiatively is provided; And fan propeller to be measured (90) is a Passive part.Fan propeller (90) is organized the axial and driving link that is located at jaw (34) and is formed a system.When motor (52) rotates, can drive main shaft (20), jaw (34) and fan propeller (90) and rotate; And the vibration of system can be reflected on the beat of platform (14), and resiliency supported device (16), (18) provide suitable support and beat at this moment; In addition, Vibration Sensor (60) also carries out the measurement and the record of system vibration amount.Same fan propeller (90) (Passive part) is done the repeatedly vibration survey at out of phase angle.
See also Fig. 7, pneumatic cylinder (40) effect pushes elasticity push piece (70) and pull bar (32), jaw (34) is protruded after, adjust fan propeller (Passive part) (90) relatively behind the phasing degree of driving link, pneumatic cylinder (40) is backed off; Under the restoring force effect of elasticity push piece (70), pull bar (32) pulling jaw (34) retraction main shaft (20) is interior to clamp fan propeller (90).Motor (52) is rotated then can measure another vibratory output again.
Can record the body vibration amount of system according to above metering system, the least square of arranging in pairs or groups then circle fitting process can be tried to achieve the driving link vibratory output.Utilize the body vibration amount subduction driving link vibratory output of system again, can calculate the vibratory output of Passive part.
See also Fig. 8 and since pull bar (32) and jaw (34) be interlocking together, and further the mat lock is compeled assembly (38) and is installed in pull bar (32) one ends; Therefore the user can unclamp or screw out the urgent assembly (38) of lock earlier, and then turn jaw (34) separates with pull bar (32).So jaw (34) just can be changed by the preceding mode of tearing open, improves the convenience of changing.
Claims (7)
1. flabellum balancing measure body is characterized in that it comprises:
One support, its tool one base and a platform, and a plurality of resiliency supported device is configured between this base and this platform;
One main shaft is rotating group and is located on this platform that it has one first end and one second end;
One arbor assembly is the inside that group is located at this main shaft;
One elasticity push piece is that group is located at second end of this main shaft and to end that should arbor assembly;
One pneumatic cylinder is that group is located on this base and to should the elasticity push piece;
One driven unit is to comprise a motor and a belt, and this motor configurations links this main shaft at an end of this support and this belt;
A pair of Vibration Sensor is in conjunction with this platform and corresponding main shaft radially.
2. flabellum balancing measure body according to claim 1, it is characterized by this axle element is a pull bar interlocking one jaw, and more has the urgent assembly of a lock to be locked on the end that this jaw axially also compels to support this pull bar.
3. flabellum balancing measure body according to claim 1 is characterized by this resiliency supported device and comprises two flexure strips and two spring stacks, and flexure strip and spring stack are to be the arrangement that interlaces.
4. flabellum balancing measure body according to claim 1 is characterized by this elasticity push piece and is made up of axial arrangement one elastic component of a pushing block, and this pushing block is mounted on this main shaft one end and in conjunction with the end of this arbor assembly.
5. flabellum balancing measure body according to claim 1, it is characterized by and more comprise a rotating speed sensor configurations at this support, and the surface of this main shaft has one and triggers structure, and this rotating speed sensor is to should main shaft, and this main shaft rotates this triggerings is constructed should the rotating speed sensor.
6. flabellum balancing measure body according to claim 5 is characterized by this triggering and is configured to notch structure.
7. flabellum balancing measure body according to claim 1 is characterized by and more comprises an arm seat, and this is that group is located on this arm seat to Vibration Sensor, and this arm seat is mounted on this platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140422U CN201780188U (en) | 2010-05-25 | 2010-05-25 | Mechanism for measuring dynamic balance of fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140422U CN201780188U (en) | 2010-05-25 | 2010-05-25 | Mechanism for measuring dynamic balance of fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780188U true CN201780188U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202140422U Expired - Lifetime CN201780188U (en) | 2010-05-25 | 2010-05-25 | Mechanism for measuring dynamic balance of fan blade |
Country Status (1)
| Country | Link |
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| CN (1) | CN201780188U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980724A (en) * | 2012-12-10 | 2013-03-20 | 东华大学 | Dynamic balancer for revolved body |
| CN103837302A (en) * | 2012-11-20 | 2014-06-04 | 重庆长安汽车股份有限公司 | Fan residual dynamic unbalance amount detection device and method |
| CN104266795A (en) * | 2014-09-10 | 2015-01-07 | 沙洲职业工学院 | Automobile cooling fan dynamic balance testing tool |
| CN106438434A (en) * | 2016-11-29 | 2017-02-22 | 东莞永立电机有限公司 | Finished fan balance testing machine |
| CN106525338A (en) * | 2016-12-28 | 2017-03-22 | 大力汽保(营口)装备制造有限公司 | Vehicle-mounted balancing machine |
| CN106644272A (en) * | 2017-01-16 | 2017-05-10 | 中国农业大学 | Non-axisymmetric complex curved surface rotating member virtual dynamic balancing machine dynamic balancing design method |
| CN107300447A (en) * | 2017-08-21 | 2017-10-27 | 东莞市卓茂仪器有限公司 | A kind of flabellum single-side dynamic balance machine |
| CN107356373A (en) * | 2017-08-21 | 2017-11-17 | 东莞市卓茂仪器有限公司 | A kind of flabellum dual-threshold detection machine |
| CN108489664A (en) * | 2018-03-21 | 2018-09-04 | 杭州集智机电股份有限公司 | The automatic positioning method of rotor balancing machine is moved for self-powered |
| CN111577640A (en) * | 2020-05-09 | 2020-08-25 | 南京玛格耐特智能科技有限公司 | Fan impeller experimental device |
| CN114323441A (en) * | 2021-12-30 | 2022-04-12 | 中国航发常州兰翔机械有限责任公司 | Physical property detection device for fan blades of engine impeller |
| CN114646378A (en) * | 2020-12-21 | 2022-06-21 | 财团法人金属工业研究发展中心 | Vibration force measuring device |
| CN115508007A (en) * | 2022-11-24 | 2022-12-23 | 安徽羲禾航空科技有限公司 | Propeller blade dynamic balance detection device |
-
2010
- 2010-05-25 CN CN2010202140422U patent/CN201780188U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837302B (en) * | 2012-11-20 | 2016-06-01 | 重庆长安汽车股份有限公司 | A kind of fan residue unbalancing value detection device and method |
| CN103837302A (en) * | 2012-11-20 | 2014-06-04 | 重庆长安汽车股份有限公司 | Fan residual dynamic unbalance amount detection device and method |
| CN102980724A (en) * | 2012-12-10 | 2013-03-20 | 东华大学 | Dynamic balancer for revolved body |
| CN102980724B (en) * | 2012-12-10 | 2015-02-25 | 东华大学 | Dynamic balancer for revolved body |
| CN104266795B (en) * | 2014-09-10 | 2017-08-04 | 沙洲职业工学院 | A kind of automobile cooling fan dynamic balancing measurement instrument |
| CN104266795A (en) * | 2014-09-10 | 2015-01-07 | 沙洲职业工学院 | Automobile cooling fan dynamic balance testing tool |
| CN106438434A (en) * | 2016-11-29 | 2017-02-22 | 东莞永立电机有限公司 | Finished fan balance testing machine |
| CN106525338A (en) * | 2016-12-28 | 2017-03-22 | 大力汽保(营口)装备制造有限公司 | Vehicle-mounted balancing machine |
| CN106525338B (en) * | 2016-12-28 | 2019-03-12 | 营口大力汽保设备科技有限公司 | Vehicle-mounted balancing machine |
| CN106644272A (en) * | 2017-01-16 | 2017-05-10 | 中国农业大学 | Non-axisymmetric complex curved surface rotating member virtual dynamic balancing machine dynamic balancing design method |
| CN107300447A (en) * | 2017-08-21 | 2017-10-27 | 东莞市卓茂仪器有限公司 | A kind of flabellum single-side dynamic balance machine |
| CN107356373A (en) * | 2017-08-21 | 2017-11-17 | 东莞市卓茂仪器有限公司 | A kind of flabellum dual-threshold detection machine |
| CN108489664A (en) * | 2018-03-21 | 2018-09-04 | 杭州集智机电股份有限公司 | The automatic positioning method of rotor balancing machine is moved for self-powered |
| CN111577640A (en) * | 2020-05-09 | 2020-08-25 | 南京玛格耐特智能科技有限公司 | Fan impeller experimental device |
| CN114646378A (en) * | 2020-12-21 | 2022-06-21 | 财团法人金属工业研究发展中心 | Vibration force measuring device |
| CN114323441A (en) * | 2021-12-30 | 2022-04-12 | 中国航发常州兰翔机械有限责任公司 | Physical property detection device for fan blades of engine impeller |
| CN115508007A (en) * | 2022-11-24 | 2022-12-23 | 安徽羲禾航空科技有限公司 | Propeller blade dynamic balance detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
|
| CX01 | Expiry of patent term |