CN202770627U - Simulation test device for size-reduced wind power equipment transmission chain of rigid-flexible coupling support - Google Patents
Simulation test device for size-reduced wind power equipment transmission chain of rigid-flexible coupling support Download PDFInfo
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- CN202770627U CN202770627U CN 201220347716 CN201220347716U CN202770627U CN 202770627 U CN202770627 U CN 202770627U CN 201220347716 CN201220347716 CN 201220347716 CN 201220347716 U CN201220347716 U CN 201220347716U CN 202770627 U CN202770627 U CN 202770627U
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Abstract
The utility model discloses a simulation test device for a size-reduced wind power equipment transmission chain of a rigid-flexible coupling support, which comprises an electric motor, a main transmission shaft, a main gearbox and an assisting gearbox, wherein the electric motor, the main transmission shaft, the main gearbox and the assisting gearbox are connected with one another; the main transmission shaft is connected between the electric motor and the main gearbox; the electric motor is connected with the main transmission shaft by a rigid connecting member; the main transmission shaft is connected with the main gearbox by a main shaft-main gearbox rigid connecting member; the electric motor is fixed on a basal rack by two elastic support members; the main gearbox is fixed on the basal rack by two electric support bodies; the assisting gearbox is fixed on the basal rack by an elastic member; the main transmission shaft is fixed on the basal rack by a main shaft substrate; and the main gearbox is connected with the assisting gearbox by a rigid shaft coupling member. The device targets size reduction and rebuilding of the key module of the main transmission chain of the wind power equipment and completely simulates the actual operating state of the main transmission chain of overhead wind power equipment by adopting a rigid-flexible coupling connection and support manner.
Description
Technical field
The utility model relates to a kind of test unit of gear transmission chain of double-feedback type wind generator equipment, is specifically related to the reduced scale degree wind power equipment driving-chain simulation test apparatus that a kind of Coupled Rigid-flexible supports.
Background technology
Guaranteeing that high reliability is the direction of contemporary world wind-powered electricity generation equipment Development under the long military service cycle, also is the significant challenge to design, manufacturing and the running technology of wind-powered electricity generation equipment driving-chain.Statistics shows, the failure of removal of crucial component of machine is the significant problem that affects the wind power system reliability on the wind-powered electricity generation driving-chain, needs to be resolved hurrily; A series of basic research work has been carried out in international and domestic precision at key components and parts damage failure mechanism, parts-aspects such as performance integrated analysis in recent years, and the research and development of the advanced design of wind turbine gearbox system, manufacturing, running technology is had great importance.For these research and developments, the simulation run experiment work of carrying out the wind-powered electricity generation driving-chain is an indispensable basic technology job, and this has just proposed urgent demand to wind-powered electricity generation driving-chain test unit.Full-scale, flat-out large-scale megawatt-level wind transmission chain device not only size large (more than ten meter), structure heavy (nearly hundred tons) are built in exploitation, and design and develop also difficulty too of with high costs, operation maintenance.Therefore, the test unit of the small-sized reduced scale degree of construction wind-powered electricity generation driving-chain has become the important tests facility of carrying out wind power equipment " design-make-operation " Study on Integration work.
At present, carrying out more for wind-powered electricity generation driving-chain system is the experiment work of gearbox system.The primary structure principle of test unit as shown in Figure 1, by comprising that a basis installs stand 1, motor 2, motor rigidity erecting device 3, the motor-gear case parts 4(that is rigidly connected and comprise a reducing gear), the conducting wire rigid-connecting device 7 of main-gear box 5, main-gear box rigidity erecting device 6, main-gear box-accompany examination gear case, accompany examination gear case 8, accompany the formations such as rigidity erecting device 9 of examination gear case.Wherein motor 2 has been simulated the dynamic load of blower fan input wind wheel; Drive main-gear box 5 by motor 2 by the mechanism 4 that is rigidly connected, accompany examination gear case 8 as the load of main-gear box; The input motion of main-gear box has been simulated the input requirements of wind power generation speed increasing box, thereby whole system is in order to carry out the performance simulation experimental study work of wind turbine gearbox.Under the prior art, the Whole Equipment performance exists significant deficiency:
1) wind wheel in the actual wind power system is subject to the impact that alternation wind carries in the air at height, and its load characteristic that has, dynamic perfromance etc. can not be passed through the electromotor simulation of rigidity installation on base frame out.
2) can carry out basic wind turbine gearbox performance test, but the effect of the final drive shaft system that considerable influence is arranged as the key component of wind-powered electricity generation main drive chain, to installation and the motion of wind turbine gearbox has been left in the basket.
3) fail to reflect the resiliency supported state of the art of actual gear case of blower.
4) the running technology state difference of whole assembling form, kinematic and dynamic characteristic and actual high-altitude middle gear case is apart from excessive, so that the result of simulation test is to the technical research directive significance reduction of wind turbine gearbox.
5) be mainly used in carrying out gear case of blower and the running test research of non-integral driving-chain.
The utility model content
For solving above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of reduced scale degree wind power equipment driving-chain simulation test apparatus of Coupled Rigid-flexible support, this device has adopted the reduced scale degree to rebuild to the main drive chain key component targetedly, and connection, the supporting way of employing Coupled Rigid-flexible, more completely simulated the running status of the wind power plant driving-chain of installing in actual high-altitude; On the one hand, significantly eliminated and adopted traditionally the operation distortion result that rigidity is installed, the wind turbine gearbox test unit of location produces, simultaneously, the service stimulating test of the theory structure that carries out the complete machine main drive chain that also can be more complete; Test findings is more accurate, thereby simulate more realistically load, kinematic and dynamic characteristic on the blower fan driving-chain, and these factors are to the role and influence of driving-chain reliability, can provide more accurate, reliable test basis for the principle tests of double-fed wind generator driving-chain, fail-safe analysis, structural design etc.
For achieving the above object, the technical scheme that the utility model adopts is:
The reduced scale degree wind power equipment driving-chain simulation test apparatus that a kind of Coupled Rigid-flexible supports, comprise motor 11, final drive shaft 14, the main-gear box 18 that interconnects successively and be fixed on the base frame 10 and accompany examination gear case 20, it is characterized in that: be connected with final drive shaft 14 at motor 11 and 18 of main-gear boxs, described motor 11 is connected connections by rigid connector 13 with final drive shaft, final drive shaft 14 passes through main shaft-main-gear box rigid connector 16 is connected connection with main-gear box.
Described motor 11 is fixed on the base frame 10 by two elastic supporting member for supporting optical member 12, described main-gear box 18 is fixed on the base frame 10 by two elastic supports 17, the described examination gear case 20 of accompanying is fixed on the base frame 10 by elastic component 21, described final drive shaft 14 is fixed on the base frame 10 by main shaft pedestal 15, and described main-gear box 18 tries gear case 20 connections by rigidity coupling piece 19 with being connected.
Described rigid connector 13 also comprises a reducing gear.
Compared with prior art, the beneficial effects of the utility model are:
1, main revolution of the present utility model is by motor 11, final drive shaft 14, main-gear box 18, accompanies examination gear case 20 to form; Be connected with final drive shaft 14 at motor 11 and 18 of main-gear boxs, described motor 11 is connected connection by the parts 13 that are rigidly connected with final drive shaft, and final drive shaft 14 is connected connection by main shaft-main-gear box parts 16 that are rigidly connected with main-gear box; Final drive shaft 14 has been realized the installation of motor 11 and main-gear box 18 is located by two-way being rigidly connected, and has reflected more accurately the assembling mode of wind-powered electricity generation main transmission structure.
2, because motor 11 and main-gear box 18 have all adopted the double spring support parts, adopt so the accurate axis system of installing of duplex bearing just to bring into play the effect as the positioning datum of the gear speedup case of the motor of load generating source and driving-chain core.Therefore, the assembly connection structural design mode of this Coupled Rigid-flexible has been simulated the supported at three point mode of the skyborne flexible installation of wind wheel assembly and main-gear box more accurately, eliminated significantly complete fastening assembling on the traditional experiment device to the adverse effect of simulation blower fan kinematics and dynamics, made the structure running status more true.Thereby make test simulate more truly upper-level winds and carry kinetics function and impact on driving-chain, for the design and development of wind-powered electricity generation drive mechanism provides more scientific reliable test basis.
3, accompany examination gear case 20 by rigid connector and main-gear box 18 assemblings of input end, finished installation on base frame by double spring support spare, adopt the installation form of this Coupled Rigid-flexible, can reflect kinematics and the dynamics of actual transmission chain support structures with imitating.
In a word, the utility model device can be realized the operational process emulation to the wind power equipment main drive chain, and realized the revolution module (motor as the driving-chain core by the Coupled Rigid-flexible structure, final drive shaft, main-gear box, accompany examination gear case etc.) near true simulation is installed, further, can obtain the vibration characteristics of fan assembly under the alternate load by the configuration of measurement mechanism, the critical datas such as the damage inefficacy course of part, and the utility model device is than the size of existing wind turbine gearbox full power trial (FPT) device, weight etc. are much smaller, and cost effectiveness significantly promotes.
Description of drawings
Fig. 1 is existing wind turbine gearbox ground-test plant structural representation.
Fig. 2 is the one-piece construction schematic diagram of the utility model embodiment.
Fig. 3 is that the utility model embodiment is based on driving-chain assembling, the supporting construction schematic diagram of Coupled Rigid-flexible mode.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, existing wind turbine gearbox ground-test plant comprises basis installation stand 1, motor 2, motor 2 is fixed on the basis by motor rigidity erecting device 3 and installs on the stand 1, and are connected connection with main-gear box by motor-gear case parts 4 that are rigidly connected, main-gear box 5 is fixed on the basis by main-gear box rigidity erecting device 6 and installs on the stand 1, and the conducting wire rigid-connecting device 7 by main-gear box-accompany examination gear case and accompany examination gear case 8, accompany examination gear case 8 to be fixed on the basis by the rigidity erecting device 9 of accompanying the examination gear case and install on the stand 1.
As shown in Figures 2 and 3, the utility model is the reduced scale degree wind power equipment driving-chain simulation test apparatus that a kind of Coupled Rigid-flexible supports, installation immobilizing foundation take base frame 10 as whole system, motor 11 is fixed on the base frame 10 by two elastic supporting member for supporting optical member 12, and are connected connection with final drive shaft by rigid connector 13, final drive shaft 14 is fixed on the base frame 10 by main shaft pedestal 15, and are connected connection with main-gear box by main shaft-main-gear box rigid connector 16, main-gear box 18 is fixed on the base frame 10 by two elastic supports 17, and by rigidity coupling piece 19 be connected examination gear case 20 to connect, accompany examination gear case 20 to be fixed on the base frame 10 by elastic component 21.
Preferably, described rigid connector 13 also comprises a reducing gear.
Principle of work of the present utility model is: motor 11 transmits motion and load to final drive shaft 14 by rigid connector 13, final drive shaft 14 will be by main shaft-main-gear box rigid connector 16 will move and load is delivered on the main-gear box 18, and last main-gear box 18 rotates by the examination gear case 20 of accompanying that rigidity coupling piece 19 drives fictitious load.
Contrast Fig. 1, Fig. 2, Fig. 3 as can be known, the utility model compared with prior art has the following advantages:
1, owing to being connected with final drive shaft 14 at motor 11 and 18 of main-gear boxs, final drive shaft 14 has been realized the installation of motor 11 and main-gear box 18 is located by two-way being rigidly connected, and has reflected more accurately the assembling mode of wind-powered electricity generation main transmission structure.
2, because motor 11, main-gear box 18 and accompany examination gear case 20 all to adopt the double spring support parts, adopt so the accurate axis system of installing of duplex bearing just to bring into play the effect as the positioning datum of the gear speedup case of the motor of load generating source and driving-chain core.Therefore, the assembly connection structural design mode of this Coupled Rigid-flexible has been simulated the supported at three point mode of the skyborne flexible installation of wind wheel assembly and main-gear box more accurately, eliminated significantly complete fastening assembling on the traditional experiment device to the adverse effect of simulation blower fan kinematics and dynamics, made the structure running status more true.Thereby make test simulate more truly upper-level winds and carry kinetics function and impact on driving-chain, for the design and development of wind-powered electricity generation drive mechanism provides more scientific reliable test basis.
The utility model device can be realized the operational process emulation to the wind power equipment main drive chain, and realized the revolution module (motor as the driving-chain core by the Coupled Rigid-flexible structure, final drive shaft, main-gear box, accompany examination gear case etc.) near true simulation is installed, further, can obtain the vibration characteristics of fan assembly under the alternate load by the configuration of measurement mechanism, the critical datas such as the damage inefficacy course of part, and the utility model device is than the size of existing wind turbine gearbox full power trial (FPT) device, weight etc. are much smaller, and cost effectiveness significantly promotes.
Claims (3)
1. the reduced scale degree wind power equipment driving-chain simulation test apparatus that supports of a Coupled Rigid-flexible, comprise the motor (11) that interconnects successively and be fixed on the base frame (10), final drive shaft (14), main-gear box (18) and accompany the examination gear case (20), it is characterized in that: between motor (11) and main-gear box (18), be connected with final drive shaft (14), described motor (11) is connected 14 by rigid connector (13) with final drive shaft) connect, final drive shaft (14) is connected 18 by main shaft-main-gear box rigid connector (16) with main-gear box) connect.
2. the reduced scale degree wind power equipment driving-chain simulation test apparatus that supports of Coupled Rigid-flexible according to claim 1, it is characterized in that: described motor (11) is fixed on the base frame (10) by two elastic supporting member for supporting optical member (12), described main-gear box (18) is fixed on the base frame (10) by two elastic supports (17), the described examination gear case (20) of accompanying is fixed on the base frame (10) by elastic component (21), described final drive shaft (14) is fixed on the base frame (10) by main shaft pedestal (15), and described main-gear box (18) tries gear case (20) connection by rigidity coupling piece (19) with being connected.
3. the reduced scale degree wind power equipment driving-chain simulation test apparatus that supports of Coupled Rigid-flexible according to claim 1 and 2, it is characterized in that: described rigid connector (13) also comprises a reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347716 CN202770627U (en) | 2012-07-17 | 2012-07-17 | Simulation test device for size-reduced wind power equipment transmission chain of rigid-flexible coupling support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347716 CN202770627U (en) | 2012-07-17 | 2012-07-17 | Simulation test device for size-reduced wind power equipment transmission chain of rigid-flexible coupling support |
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| CN202770627U true CN202770627U (en) | 2013-03-06 |
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| CN 201220347716 Withdrawn - After Issue CN202770627U (en) | 2012-07-17 | 2012-07-17 | Simulation test device for size-reduced wind power equipment transmission chain of rigid-flexible coupling support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788694A (en) * | 2012-07-17 | 2012-11-21 | 清华大学 | Scale-reduced wind power equipment transmission chain simulated test system supported by rigid-flexible coupling |
| CN105628355A (en) * | 2014-11-28 | 2016-06-01 | 重庆西山科技股份有限公司 | Operation power device performance test method |
-
2012
- 2012-07-17 CN CN 201220347716 patent/CN202770627U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788694A (en) * | 2012-07-17 | 2012-11-21 | 清华大学 | Scale-reduced wind power equipment transmission chain simulated test system supported by rigid-flexible coupling |
| CN102788694B (en) * | 2012-07-17 | 2015-01-14 | 清华大学 | Scale-reduced wind power equipment transmission chain simulated test system supported by rigid-flexible coupling |
| CN105628355A (en) * | 2014-11-28 | 2016-06-01 | 重庆西山科技股份有限公司 | Operation power device performance test method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20150114 |
|
| RGAV | Abandon patent right to avoid regrant |