CN203691161U - Motor having on-line detection function - Google Patents

Motor having on-line detection function Download PDF

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Publication number
CN203691161U
CN203691161U CN201320775487.1U CN201320775487U CN203691161U CN 203691161 U CN203691161 U CN 203691161U CN 201320775487 U CN201320775487 U CN 201320775487U CN 203691161 U CN203691161 U CN 203691161U
Authority
CN
China
Prior art keywords
motor
force
travelling gear
window
line
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.)
Expired - Fee Related
Application number
CN201320775487.1U
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Chinese (zh)
Inventor
彭足运
张志坚
黄建军
朱刚
左思
王君
宋勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianglu Machinery and Electronics Group Co Ltd
Original Assignee
Jianglu Machinery and Electronics Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jianglu Machinery and Electronics Group Co Ltd filed Critical Jianglu Machinery and Electronics Group Co Ltd
Priority to CN201320775487.1U priority Critical patent/CN203691161U/en
Application granted granted Critical
Publication of CN203691161U publication Critical patent/CN203691161U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses a motor having an on-line detection function. The motor adopts an on-line operation wind motor as a prototype machine, and comprises a transmission gear, which is additionally disposed on a main shaft of a pedestal, and an installation window corresponding to the transmission gear. During the detection, a force measuring device and a force transmission unit thereof are in a butt joint with the installation window, and the force transmission gear and a transmission gear are in a fixed and engaged connection. A torque wrench is disposed in a force transmission shaft end of the force measuring device in a sleeved manner, and the torque wrench can be wrenched manually to realize the object of the on-line detection. The motor having the on-line detection function is advantageous in that the safety brake torque can be detected in a real-time manner, the technical states of the wind power generation devices and the variable-pitch motors can be confirmed and guaranteed, and the safety operation of the wind power generation devices can be determined; the motor having the on-line detection function is suitable for the detection of various conventional on-line operation motors, and is especially suitable for the detection of the safety brake torque of the wind power generation devices.

Description

A kind of motor with online measuring ability
Technical field
The utility model relates to a kind of motor with online measuring ability.
Background technology
In the wind power plant of the existing regional on-line operation such as coastal and marine, the safety arrestment moment of its pitch motor in running does not all have instant detectability, during as extreme weather, the control ability to wind power plant safe operation of shortage, can not confirm and ensure that whether the state of the art of wind power plant and pitch motor and wind power plant are in safe operation.
The pitch motor structure of above-mentioned online use can connect with device for detecting torque, only have main shaft stretch end can coaxially be connected with external device (ED) with tailing axle two places, but main shaft stretch end work time be connected with decelerator, cannot use; Motor tailing axle time is connected with encoder in work, and this place's axial length be only 10mm, and required precision is high, and stressed property is poor, is also not suitable for being used as detection braking moment herein.Therefore, do not have suitable location and mechanism can carry out the detection of motor safety braking moment when such pitch motor arrangement works.
Summary of the invention
For above-mentioned situation, the purpose of this utility model is to provide a kind of motor with online measuring ability, it can utilize the motor of existing online use, can not change again any function, the structure of existing online use motor, can convenient be combined with detector and carry out the online detection of braking moment and safety, reliable, product input cost is low, is easy to penetration and promotion.
To achieve these goals, a kind of motor with online measuring ability, it comprises the load-sensing unit of setting up in support, this load-sensing unit mainly contains one and is fixed on travelling gear on support inner main axis and the installation window at corresponding travelling gear place.
For implementation structure, effect optimization, its further step is:
Described travelling gear is arranged on this axle between armature and the bearing of electric machine main shaft shaft extension end.
Described travelling gear is the gearratio parameter toothed disc of more remodeling.
Described installation window is provided with protective cover.
A kind of motor with online measuring ability of the utility model, it uses the wind-force electrical machinery of on-line operation is prototype, it comprises the load-sensing unit of setting up in support, and this load-sensing unit mainly contains one and is fixed on travelling gear on support inner main axis and the installation window at corresponding travelling gear place; When detection, device for measuring force and power transmission unit thereof are butted up against to installation window, power transmission gear and travelling gear connected engage and device for measuring force fixed with screw; Finally be inserted in the power transmission axle head of device for measuring force with commercially available torque wrench, thereby pull torque wrench and implement the technical scheme of the online detection to wind-force electrical machinery braking moment; It has solved in the wind power plant of existing on-line operation, because the safety arrestment moment of its pitch motor in running all can not be detected immediately, can not confirm and ensure the whether difficult problem in safe operation of the state of the art of wind power plant and pitch motor and wind power plant.
The beneficial effect that the utility model produced compared to existing technology:
(I) the utility model is used in and a travelling gear is set in existing on-line operation electric machine stand and window, the technical scheme that a device for measuring force is installed at this window when detection are installed; It has solved in the wind power plant of existing on-line operation, because the safety arrestment moment of its pitch motor in running all can not be detected immediately, can not confirm and ensure the whether conventional art difficult problem in safe operation of the state of the art of wind power plant and pitch motor and wind power plant;
(II) the utility model is used in and a travelling gear is set in existing on-line operation electric machine stand and window, the technical scheme that a device for measuring force is installed at this window when detection are installed; It had both solved the traditional difficult problem that the safety arrestment moment of on-line operation motor cannot detect, and did not change again any function, the structure of existing on-line operation motor, had obtained beyond thought technique effect;
(III) the utility model is used in and a travelling gear is set in existing on-line operation electric machine stand and window, the technical scheme that a device for measuring force is installed at this window when detection are installed; It is simple and reasonable for structure, detection science, rigorous, and operating process is simple and easy, and testing result is precisely, reliably;
(IV) the utility model is used in and a travelling gear is set in existing on-line operation electric machine stand and window, the technical scheme that a device for measuring force is installed at this window when detection are installed; It does not change any structure of existing on-line operation motor, only on the axle between armature and the bearing of detected main shaft shaft extension end, a travelling gear is set, on the housing of corresponding travelling gear, offer a device for measuring force window is installed, it has ensured the online continuation safe operation of existing equipment, has saved a large amount of inputs of changing new equipment materials needed, manpower;
(V) the utility model adopts only establishes a protective cover window is installed, the protective cover of just breaking seal while detecting motor, and outside motor is without any annex, and it has kept original structure, function, the characteristic of existing on-line operation motor;
(VI) the utility model adopts surveys the technical solution that immediate shipment unloads, it has solved test product, testing tool separate problem between the two, and existing on-line operation motor is not produced to any negative effect, effectively extend their useful life, expanded the use function of motor;
(VII) the utility model adopts and surveys the technical solution that immediate shipment unloads, and independently testing tool highly versatile, is all equipped with one without every motor, and user can be equipped with according to the demand of oneself quantity of testing tool;
The technical solution that (VIII) the utility model adopts gear type power transmission unit that both are organically combined, it is by gear transmission moment, good mechanical property, reliability is high, and gearratio is freely adjustable, and compact conformation, volume are little, be convenient to packed and transported and carrying, can 24 hours round-the-clock to be checked, plug and play, economical and practical, be easy to penetration and promotion.
The utility model is applicable to the detection of the various motors of being used as existing on-line operation, is particularly suitable for the detection of the safety arrestment moment of wind power plant.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is a kind of motor front view with online measuring ability of the utility model.
Fig. 2 is that in Fig. 1, the utility model, between the armature and bearing of electric machine main shaft shaft extension end, is provided with the motor front view that connects device for measuring force travelling gear and window is installed.
Fig. 3 is that in Fig. 1, the utility model is provided with the motor front view that connects device for measuring force travelling gear and window display window protective cover are installed at electric machine main shaft shaft extension end.
Fig. 4 is that in Fig. 1, the utility model, between the armature and bearing of electric machine main shaft shaft extension end, is provided with the housing front view of the support that connects device for measuring force installation window.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the end view of Fig. 4.
Fig. 7 is that the utility model is arranged on the protective cover front view on the housing of support.
Fig. 8 is that the utility model is for the instant device for measuring force front view that connects motor.
Fig. 9 is that the utility model is for the instant device for measuring force cutaway view that connects motor.
Figure 10 is the force transmission shaft enlarged front view of power transmission unit in the utility model device for measuring force.
Figure 11 is the force transmission shaft enlarged side view of power transmission unit in the utility model device for measuring force.
Figure 12 is power transmission gear and travelling gear front view in the utility model device for measuring force.
Figure 13 is power transmission gear and travelling gear end view in the utility model device for measuring force.
In figure: 1, support, 2, device for measuring force, 3, power transmission unit, 4, travelling gear, 5, force-transmitting seat, 6, force transmission shaft, 7, power transmission gear, 8, end cap, 9, bolt, 10, square shaft, 11, window is installed, 12, protective cover, 13, screw, 14, unthreaded hole, 16, bearing, 17, armature, 18, main shaft.
Embodiment
Shown in accompanying drawing, work of the present utility model and principle: a kind of motor with online measuring ability, it uses the wind-force electrical machinery of on-line operation is prototype, by setting up the load-sensing unit for connecting device for measuring force and window being installed, when detection, device for measuring force and power transmission unit thereof are butted up against to installation window, power transmission gear and travelling gear connected engage and device for measuring force fixed with screw, finally be inserted in the power transmission axle head of device for measuring force with commercially available torque wrench, thereby pulling torque wrench implements the online detection to wind-force electrical machinery braking moment by hand.
By reference to the accompanying drawings, a kind of motor with online measuring ability, first, the wind-force electrical machinery of selecting a kind of on-line operation is prototype, in electric machine stand 1, set up load-sensing unit, this load-sensing unit mainly contains one and is fixed on travelling gear 4 on support 1 inner main axis 18 and the installation window 11 at corresponding travelling gear 4 places; Before the armature 17 of the main shaft 18 shaft extension ends of such motor, or between armature 17 and bearing 16, be provided with and connect the travelling gear 4 of device for measuring force 2 and window 11 is installed, window 11 is installed and is provided with protective cover 12; Device for measuring force 2 comprises a power transmission unit 3, and this power transmission unit 3 is made up of force-transmitting seat 5, the power transmission gear 7 that is arranged at the force transmission shaft 6 of force-transmitting seat 5 and is fixed on force transmission shaft 6.Power transmission gear in this power transmission unit 37 be arranged on travelling gear 4 in electric machine stand 1 through window 11 engaged transmission are installed, transmission engage ratio parameter can be determined and change one of them according to testing requirement, or power transmission gear 7, or travelling gear 4, they are all more remodel plate-like gear or toothed disc; The bottom of the force-transmitting seat 5 installation window 11 corresponding with being arranged on travelling gear 4 before support 1 shaft extension end armature coincide; Force-transmitting seat 5 is by symmetrical two end cap 8 through the fastening in opposite directions synthetic cavity of bolt 9, and cavity Nei is equipped with at center a force transmission shaft 6 that is connected and fixed power transmission gear 7, and square shaft 10 ends of force transmission shaft 6 are exposed to outside force-transmitting seat 5 cavitys, and it coordinates with torque wrench; When installation, as long as take off the protective cover 12 on the housing of electric machine stand 1, housing screw 13 centerings by force-transmitting seat 5 unthreaded holes 14 with support 1, can detect with screw fastening.
Referring to accompanying drawing, realize a kind of detection method of the motor with online measuring ability, it uses operating procedure to be:
I, selected detected motor type, present embodiment is selected permanent magnet DC motor, rated power 3.9KW, rated speed 3000RPM, brake rating torque 30N.m;
II, inspection are installed window and are determined in support travelling gear has been installed;
The safety arrestment moment values of III, definite detected motor braking moment is 30N.m;
IV, determine that the gearratio of power transmission gear and travelling gear is 1.16;
V, selected detected torque wrench predetermined torque numerical value for motor;
VI, take off detected electric machine stand and window is installed and is loaded onto protective cover;
VII, the force-transmitting seat centering of device for measuring force is installed to window put;
VIII, to determine that power transmission gear engages with travelling gear complete;
The force-transmitting seat of IX, fixing device for measuring force is installed window in motor;
X, motor are static to be measured;
XI, torque wrench is inserted in to power transmission unit square shaft;
XII, pull torque wrench clockwise or counterclockwise, pull and in process, do not occur skidding;
X III, test result: through detecting online, the braking moment value of this motor is greater than the safety arrestment moment values of setting, meets motor safety braking moment standard, qualified;
X IV, dismounting device for measuring force, load onto the detected electric machine stand of protective cover sealing window be installed, and detects end of operation.
By reference to the accompanying drawings, specific embodiment of the utility model: wind-force electrical machinery major parameter: permanent magnet DC motor, rated power 3.9KW, rated speed 3000RPM, brake rating torque 30N.m; Frame shell with moulding and the installation dimension of main force transfer element is: S-16mm, Q-16mm, R-45 °, A-62 °, B-110 °, M-4 × M6-6H, L1-13mm, L2-22mm, L3-24mm, D1-144mm, D2-113mm, D3-123mm, D4-145mm, D5-157mm, T1-5mm, T2-65mm, T3-196mm, T4-281mm, T5-58mm, q-12mm, P-13mm, H-97.5mm; Between the armature 17 and bearing 16 of the main shaft of permanent magnet DC motor, travelling gear 4 is installed, on the housing of the support 1 of corresponding travelling gear 4, open an installation window 11, the equipped protective cover 12 of window 11 is installed, protective cover 12 is fixed through unthreaded hole 14, screw 13; When detection, motor is static, take off the protective cover 12 on support 1, the force-transmitting seat of device for measuring force 25 centering permanent magnet DC motors are installed to window 11, check engaging and the setting of gearratio of power transmission gear 7 and travelling gear 4, according to the safety arrestment moment standard-required of motor, this time gearratio is made as 1.16, safety arrestment moment values by motor is 30N.m, show that the value that torque wrench need be set is (30/1.16) 25.9N.m; After treating every setting, checking, device for measuring force 2 is anchored on electric machine stand 1 with screw; Then, select the default sizing of source, Tianjin board capable of adjusting torque spanner MD-100 to make to detect the driving source instrument of motor braking moment, now, torque wrench is inserted in to the square shaft 10 of device for measuring force 2, clockwise or counterclockwise manual pull force transmission shaft 6 and on power transmission gear 7 rotate, power transmission gear 7 is with nutating gear 4 and electric machine main shaft 18 to rotate, while pulling torque wrench, as not appearring in torque wrench, skidding illustrates that the safety arrestment moment of motor is qualified, otherwise defective, thereby realize the online detection of permanent magnet DC motor braking moment; Detect completely, take off device for measuring force 2, load onto protective cover 12, permanent magnet DC motor and system equipment continue to enter normally in service.

Claims (4)

1. one kind has the motor of online measuring ability, it is characterized in that it comprises the load-sensing unit of setting up in support (1), this load-sensing unit mainly contains one and is fixed on the installation window (11) that travelling gear (4) on support (1) inner main axis (18) and corresponding travelling gear (4) are located, power transmission gear (7) in one power transmission unit (3) is through installing window (11) and travelling gear (4) engaged transmission, and transmission engage ratio parameter can be determined and change one of them according to testing requirement.
2. a kind of motor with online measuring ability according to claim 1, is characterized in that described travelling gear (4) is arranged on this axle between armature (17) and the bearing (16) of electric machine main shaft (18) shaft extension end.
3. a kind of motor with online measuring ability according to claim 1, is characterized in that described travelling gear (4) is for the gearratio parameter toothed disc of more remodeling.
4. a kind of motor with online measuring ability according to claim 1, is characterized in that described installation window (11) is provided with protective cover (12).
CN201320775487.1U 2013-12-01 2013-12-01 Motor having on-line detection function Expired - Fee Related CN203691161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320775487.1U CN203691161U (en) 2013-12-01 2013-12-01 Motor having on-line detection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320775487.1U CN203691161U (en) 2013-12-01 2013-12-01 Motor having on-line detection function

Publications (1)

Publication Number Publication Date
CN203691161U true CN203691161U (en) 2014-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320775487.1U Expired - Fee Related CN203691161U (en) 2013-12-01 2013-12-01 Motor having on-line detection function

Country Status (1)

Country Link
CN (1) CN203691161U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907825A (en) * 2019-11-14 2020-03-24 温州大学苍南研究院 Test tool of brushless direct current motor prototype

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907825A (en) * 2019-11-14 2020-03-24 温州大学苍南研究院 Test tool of brushless direct current motor prototype

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140702

Termination date: 20191201