CN105203260A - Dynamic balance experiment apparatus - Google Patents
Dynamic balance experiment apparatus Download PDFInfo
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- CN105203260A CN105203260A CN201410657315.3A CN201410657315A CN105203260A CN 105203260 A CN105203260 A CN 105203260A CN 201410657315 A CN201410657315 A CN 201410657315A CN 105203260 A CN105203260 A CN 105203260A
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- rotor
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- bearing seat
- bearing
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Abstract
The invention discloses a dynamic balance experiment apparatus. The apparatus comprises a pedestal. The pedestal is provided with at least two rotors. Each rotor is supported by a bearing. The bearing is installed in a bearing pedestal. The rotors are connected through a coupler. The rotors are driven by a motor through the coupler. The rotors are provided with weighting discs used for simulating an unbalance amount. The bearing pedestal is provided with an installing hole used for installing an electrical vortex sensor. The bearing pedestal possesses fitting surfaces corresponding to a first positioning surface, a second positioning surface and a third positioning surface on the pedestal. By using the apparatus of the invention, simulation unbalance data can be accurately and effectively acquired, accurate theory data is provided for a design, installation and debugging of rotating equipment and vibration of the rotating equipment during actual operation is reduced.
Description
Technical field
The present invention relates to the experiment table of overall machine vibration monitoring and control field, be specifically related to a kind of dynamic balancing test device, the unbalance forced vibration of flexible rotor axle system can be simulated, effectively reproduce the energy imbalance that rotating machinery produces, for the research of rotor theory of dynamic and method.
Background technology
Unbalance is the modal fault of rotating machinery, and its processing procedure is also complicated in all faults.For the balance method of flex rotor spot dynamic balance, modal balance method and the large class of influence coefficient method two can be summarized as, from counterbalance effect, although said method can realize the desirable balance of rotor, but due to the diversity of flex rotor structure and the complicacy of the unbalance situation of reality, simultaneously, due to the strict restriction of the factor such as dynamic performance of the position of cycling start number of times, rotor balancing face and vibration measuring point and number, position, axle system spot dynamic balance up to the present still still a kind of examination under theoretical direction survey process.
At present, Bently company of the U.S. produces the dynamic balance experimental bench of single shaft, but the balance test not connecting into axle system is arranged.The rotor oscillation simulated experiment platform bearing seat that domestic Dong great vibration measurement instrument factory produces and base are fixed by slide block guide rail, and sensor stand and base are fixed by monolateral screw, and positioning precision is lower, easily introduce non-power frequency fault, obscure the research to balancing fault.
For these problems, application number be 200820028419.8 patent of invention disclose a kind of shafting dynamic balance experimental bench, comprise base, base is furnished with at least two roots rotors, every roots rotor is supported by two oiliness bearings, and oiliness bearing is arranged in bearing seat; Between rotor with rotor directly by rigidity, do elasticity or spring coupling is connected, rotor is driven by motor by shaft coupling; Every roots rotor is provided with and increases the weight of dish, increase the weight of dish is equidistantly distributed with 16 threaded holes, to simulate unbalance amount by mounting screw, every roots rotor is also furnished with two sensor support bases, for installing current vortex sensor, be directly connected by rigidity, half elasticity or spring coupling between rotor with rotor; Bearing seat and sensor support base have corresponding mating surface to the locating surface of three on base, to ensure bearing seat and the radial fit between sensor support base and base, and ensure bearing seat and the axial restraint between sensor support base and base by screw.
Although this balance test platform can simulate the unbalance forced vibration of flexible rotor axle system easily, effectively reproduce the energy imbalance that large rotating machinery produces, for the research of rotor theory of dynamic method.
But, when carrying out simulating unbalance experiment, due to the impact that bearing seat, bearing limit rotor, make the current vortex sensor of sensor support seat can not obtain unbalance experimental data accurately and effectively, this just causes slewing effectively correspondingly to adjust, thus it is large to cause slewing to vibrate.
Summary of the invention
The present invention can not effectively obtain simulation imbalance data to solve existing balance test platform, and a kind of dynamic balancing test device is provided, simulation imbalance data can be obtained accurately and effectively, for the design of slewing, installment and debugging provide gross data exactly, reduce the vibration be rotatably provided in actual motion.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of dynamic balancing test device, it is characterized in that, comprise base, base is furnished with at least two roots rotors, every roots rotor is by bearings, and bearing is arranged in bearing seat; Be connected by shaft coupling between rotor with rotor, rotor is driven by motor by shaft coupling; Rotor is provided with for simulate unbalance amount increase the weight of dish; Described bearing seat is provided with the mounting hole for installing current vortex sensor, and described bearing seat has corresponding mating surface to first, second, and third locating surface on base.
Further, described in increase the weight of rim radial direction and be evenly provided with strip through hole, described through hole is equipped with the weight for simulating unbalance amount.
Further, described strip through hole is step-like, and the step surface of strip through hole is evenly provided with anti-slip tank, and described weight is provided with the projection mutually adaptive with anti-slip tank.
Compared with prior art, the present invention has following beneficial effect:
Dynamic balancing test device of the present invention, comprises base, base is furnished with at least two roots rotors, and every roots rotor is by bearings, and bearing is arranged in bearing seat; Be connected by shaft coupling between rotor with rotor, rotor is driven by motor by shaft coupling; Rotor is provided with for simulate unbalance amount increase the weight of dish; Described bearing seat is provided with the mounting hole for installing current vortex sensor, and described bearing seat has corresponding mating surface to first, second, and third locating surface on base.By current vortex sensor is directly installed on bearing seat, when carrying out simulating unbalance test, the unbalance amount of rotor directly passes to the current vortex sensor be arranged on bearing seat by bearing, thus directly obtain simulation imbalance data, simulation imbalance data can be obtained accurately and effectively, for the design of slewing, installment and debugging provide gross data exactly, reduce the vibration be rotatably provided in actual motion.
First, second, and third locating surface on bearing seat of the present invention and base has the mating surface adapted, and improves the installation accuracy of bearing seat.
The present invention is by increasing the weight of to coil the strip through hole arranging radial direction, when simulation unbalance amount, radially can regulate the riding position of weight, make it possible to obtain more unbalance amount data, be convenient to simulate the axle system unbalance amount situation in real work, provide more unbalance amount data for axle ties up in real work.
Strip through hole of the present invention is step-like, and the step surface of strip through hole is evenly provided with anti-slip tank, and weight is provided with the projection mutually adaptive with anti-slip tank; Position effect by anti-slip tank and projection, improve the precision that weight is laid.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is bearing seat of the present invention and base engagement structural representation;
Fig. 3 is the structural representation that the present invention increases the weight of to coil;
Mark in figure: 1, base, 2, motor, 3, bearing seat, 4, increase the weight of dish, 5, rotor, 6, shaft coupling, the 7, first locating surface, the 8, second locating surface, 9 the 3rd locating surfaces, 10, mounting hole, 11, strip through hole, 12, weight.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
Dynamic balancing test device of the present invention, comprises base, base is furnished with at least two roots rotors, and every roots rotor is by bearings, and bearing is arranged in bearing seat; Be connected by shaft coupling between rotor with rotor, rotor is driven by motor by shaft coupling; Rotor is provided with for simulate unbalance amount increase the weight of dish; Described bearing seat is provided with the mounting hole for installing current vortex sensor, and described bearing seat has corresponding mating surface to first, second, and third locating surface on base.Through hole of the present invention is radially arranged on and increases the weight of on dish, and the version of weight can be various, as long as can be fastened on strip through hole, all belongs to protection scope of the present invention; Such as weight is made up of left and right weight, and left weight is provided with screw rod, and right weight is provided with through hole, and screw rod passes strip through hole and right weight through hole and nut successively and connects as one, thus weight is arranged on strip through hole.
Further, described in increase the weight of rim radial direction and be evenly provided with strip through hole, described through hole is equipped with the weight for simulating unbalance amount.
Further, described strip through hole is step-like, and the step surface of strip through hole is evenly provided with anti-slip tank, and described weight is provided with the projection mutually adaptive with anti-slip tank.
Compared with prior art, the present invention has following beneficial effect:
Dynamic balancing test device of the present invention, comprises base, base is furnished with at least two roots rotors, and every roots rotor is by bearings, and bearing is arranged in bearing seat; Be connected by shaft coupling between rotor with rotor, rotor is driven by motor by shaft coupling; Rotor is provided with for simulate unbalance amount increase the weight of dish; Described bearing seat is provided with the mounting hole for installing current vortex sensor, and described bearing seat has corresponding mating surface to first, second, and third locating surface on base.By current vortex sensor is directly installed on bearing seat, when carrying out simulating unbalance test, the unbalance amount of rotor directly passes to the current vortex sensor be arranged on bearing seat by bearing, thus directly obtain simulation imbalance data, simulation imbalance data can be obtained accurately and effectively, for the design of slewing, installment and debugging provide gross data exactly, reduce the vibration be rotatably provided in actual motion.
First, second, and third locating surface on bearing seat of the present invention and base has the mating surface adapted, and improves the installation accuracy of bearing seat.
The present invention is by increasing the weight of to coil the strip through hole arranging radial direction, when simulation unbalance amount, radially can regulate the riding position of weight, make it possible to obtain more unbalance amount data, be convenient to simulate the axle system unbalance amount situation in real work, provide more unbalance amount data for axle ties up in real work.
Strip through hole of the present invention is step-like, and the step surface of strip through hole is evenly provided with anti-slip tank, and weight is provided with the projection mutually adaptive with anti-slip tank; Position effect by anti-slip tank and projection, improve the precision that weight is laid.
Claims (3)
1. a dynamic balancing test device, is characterized in that, comprises base, base is furnished with at least two roots rotors, and every roots rotor is by bearings, and bearing is arranged in bearing seat; Be connected by shaft coupling between rotor with rotor, rotor is driven by motor by shaft coupling; Rotor is provided with for simulate unbalance amount increase the weight of dish; Described bearing seat is provided with the mounting hole for installing current vortex sensor, and described bearing seat has corresponding mating surface to first, second, and third locating surface on base.
2. dynamic balancing test device according to claim 1, is characterized in that, described in increase the weight of rim radial direction and be evenly provided with strip through hole, described through hole is equipped with the weight for simulating unbalance amount.
3. dynamic balancing test device according to claim 1 and 2, is characterized in that, described strip through hole is step-like, and the step surface of strip through hole is evenly provided with anti-slip tank, and described weight is provided with the projection mutually adaptive with anti-slip tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657315.3A CN105203260A (en) | 2014-11-18 | 2014-11-18 | Dynamic balance experiment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657315.3A CN105203260A (en) | 2014-11-18 | 2014-11-18 | Dynamic balance experiment apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105203260A true CN105203260A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410657315.3A Pending CN105203260A (en) | 2014-11-18 | 2014-11-18 | Dynamic balance experiment apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285923A (en) * | 2019-07-22 | 2019-09-27 | 上海纳铁福传动系统有限公司 | Dynamic balance test of rotor device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246071A (en) * | 2008-02-29 | 2008-08-20 | 西安交通大学 | Shafting dynamic balance experimental bench |
| CN103776590A (en) * | 2014-02-26 | 2014-05-07 | 成都卓微科技有限公司 | Rotor balance experiment table |
| CN103776588A (en) * | 2014-02-26 | 2014-05-07 | 成都卓微科技有限公司 | Shafting dynamic balance experimental facility |
| CN204301929U (en) * | 2014-11-18 | 2015-04-29 | 四川邮科通信技术有限公司 | A kind of dynamic balancing test device |
-
2014
- 2014-11-18 CN CN201410657315.3A patent/CN105203260A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246071A (en) * | 2008-02-29 | 2008-08-20 | 西安交通大学 | Shafting dynamic balance experimental bench |
| CN103776590A (en) * | 2014-02-26 | 2014-05-07 | 成都卓微科技有限公司 | Rotor balance experiment table |
| CN103776588A (en) * | 2014-02-26 | 2014-05-07 | 成都卓微科技有限公司 | Shafting dynamic balance experimental facility |
| CN204301929U (en) * | 2014-11-18 | 2015-04-29 | 四川邮科通信技术有限公司 | A kind of dynamic balancing test device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285923A (en) * | 2019-07-22 | 2019-09-27 | 上海纳铁福传动系统有限公司 | Dynamic balance test of rotor device |
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Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |