CN203688128U - Motor brake torque on-line detector - Google Patents

Motor brake torque on-line detector Download PDF

Info

Publication number
CN203688128U
CN203688128U CN201320775339.XU CN201320775339U CN203688128U CN 203688128 U CN203688128 U CN 203688128U CN 201320775339 U CN201320775339 U CN 201320775339U CN 203688128 U CN203688128 U CN 203688128U
Authority
CN
China
Prior art keywords
force
motor
transmission gear
braking moment
power transmission
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
CN201320775339.XU
Other languages
Chinese (zh)
Inventor
彭足运
黄建军
宋勇
张志坚
左思
王君
朱刚
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 CN201320775339.XU priority Critical patent/CN203688128U/en
Application granted granted Critical
Publication of CN203688128U publication Critical patent/CN203688128U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 brake torque on-line detector. An on-line operation wind motor is used as a model selection machine, and a force transmission element and an installation window, which are used for connection with a force measuring device, are additionally provided. During the detection, the force measuring device and a force transmission unit thereof are in a butt joint with the installation window, and a 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 brake torque on-line detector 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 brake torque on-line detector 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 braking moment is at thread detector
Technical field
The utility model relates to a kind of motor braking moment at thread detector.
Background technology
In the wind power plant of the existing regional on-line operation such as coastal and marine, the safety braking moment of its pitch motor in operational process 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 speed reduction unit, cannot use; Motor tailing axle time is connected with scrambler in work, and this place's axial length be only 10mm, and accuracy requirement 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 braking moment at thread detector, it can utilize the motor of existing online use, can not change again any function, the structure of existing online use motor, and detector arrangement is simple, compact, operation, easy to use, detection safety, reliable, product input cost is low, is easy to penetration and promotion.
Another object of the present utility model is to provide the detection method of a kind of motor braking moment at thread detector, it is take on-line operation motor as direct-detection object, and can not damage any structure, the function of on-line operation motor, it is easy and simple to handle, easy, trace routine is simple, detects safety, reliable, energy round-the-clock detection in 24 hours, testing tool plug and play, economical and practical, is easy to penetration and promotion.
To achieve these goals, a kind of motor braking moment is at thread detector, and it comprises that one is connected and fixed in the device for measuring force of support, and described device for measuring force comprises a power transmission unit, this power transmission unit be arranged on the transmission gear engaged transmission in support.
For implementation structure, effect optimization, its further step is:
Described power transmission unit is made up of force-transmitting seat, the power transmission gear that is arranged at the force transmission shaft of force-transmitting seat and is fixed on force transmission shaft.
Described force-transmitting seat is fastening in opposite directions synthetic through bolt by symmetrical two end cap.
One end of described force transmission shaft is square shaft, and this square shaft coordinates with dial torque wrench.
Described power transmission gear is ratio of gear parameter exchangeable plate-like gear.
The bottom of the described force-transmitting seat installation window corresponding with being arranged on transmission gear before support shaft extension end armature coincide.
In order to realize the detection method of a kind of motor braking moment of above-mentioned another object at thread detector, it uses operation steps to be:
I, selected detected motor type;
II, inspection are installed window and are determined in support transmission gear has been installed;
The safety braking moment values of III, definite detected motor braking moment;
IV, determine the ratio of gear of power transmission gear and transmission gear;
V, selected detected dial 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 transmission 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, dial torque wrench is inserted in to power transmission unit square shaft;
XII, pull dial 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 braking 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.
In order to realize above-mentioned detection method and program, effect optimization, its further step is:
It uses the selected detected motor type of operation steps I is permanent magnet DC motor, rated power 3.9KW, rated speed 3000RPM, brake rating torque 30N.m.
It uses the safety braking moment values of determining detected motor braking moment of operation steps III is 30N.m.
It uses the setting power transmission gear of operation steps IV and the ratio of gear of transmission gear is 1.16.
A kind of motor braking moment of the utility model is at thread detector, and it uses the wind-force electrical machinery of on-line operation is model selecting machine, by setting up the force transfer element 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 transmission 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 dial torque wrench, thereby by hand pull dial 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 braking moment of its pitch motor in operational process 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 transmission 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 braking moment of its pitch motor in operational process 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 transmission 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 braking 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 transmission 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 transmission 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 transmission gear is set, on the housing of corresponding transmission 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 serviceable 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 ratio of gear 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 braking 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 that a kind of motor braking moment of the utility model is at thread detector front view.
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 transmission 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 transmission 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 side 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 cut-open 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 transmission gear front view in the utility model device for measuring force.
Figure 13 is power transmission gear and transmission gear side view in the utility model device for measuring force.
In figure: 1, support, 2, device for measuring force, 3, power transmission unit, 4, transmission 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 braking moment is at thread detector, it uses the wind-force electrical machinery of on-line operation is model selecting machine, by setting up the force transfer element 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 transmission 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 dial torque wrench, thereby pulling dial 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 braking moment is at thread detector, it connects firmly with the motor that is provided with force transfer element and installation window, 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 transmission 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 transmission 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 transmission gear 4, they are all the plate-like gears of more remodeling; The bottom of the force-transmitting seat 5 installation window 11 corresponding with being arranged on transmission 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 dial 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 the detection method of a kind of motor braking moment at thread detector, it uses operation steps 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 transmission gear has been installed;
The safety braking moment values of III, definite detected motor braking moment is 30N.m;
IV, determine that the ratio of gear of power transmission gear and transmission gear is 1.16;
V, selected detected dial 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, confirmation power transmission gear engage complete with transmission gear;
The force-transmitting seat of IX, fixing device for measuring force is installed window in motor;
X, motor are static to be measured;
XI, dial torque wrench is inserted in to power transmission unit square shaft;
XII, pull dial 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 braking 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 30~40N.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, transmission gear 4 is installed, on the housing of the support 1 of corresponding transmission 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 ratio of gear of power transmission gear 7 and transmission gear 4, according to the safety braking moment standard-required of motor, this time ratio of gear is made as 1.16, safety braking moment values by motor is 30N.m, show that the value that dial 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, dial torque wrench is inserted in to the square shaft 10 of device for measuring force 2, while pulling dial torque wrench by hand clockwise or counterclockwise, as not appearring in dial torque wrench, skidding illustrates that the safety braking 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 (6)

1. a motor braking moment is at thread detector, it is characterized in that it comprises that one is connected and fixed in the device for measuring force (2) of support (1), described device for measuring force (2) comprises a power transmission unit (3), this power transmission unit (3) be arranged on transmission gear (4) engaged transmission in support.
2. a kind of motor braking moment according to claim 1 is at thread detector, it is characterized in that described 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).
3. a kind of motor braking moment according to claim 2, at thread detector, is characterized in that described force-transmitting seat (5) is fastening in opposite directions synthetic through bolt (9) by symmetrical two end cap (8).
4. a kind of motor braking moment according to claim 2 is at thread detector, and the one end that it is characterized in that described force transmission shaft (6) is square shaft (10), and this square shaft (10) coordinates with dial torque wrench.
5. a kind of motor braking moment according to claim 2, at thread detector, is characterized in that described power transmission gear (7) is ratio of gear parameter exchangeable plate-like gear.
6. a kind of motor braking moment according to claim 2 is at thread detector, and the bottom that it is characterized in that described force-transmitting seat (5) the installation window (11) corresponding with being arranged on transmission gear (4) before support shaft extension end armature coincide.
CN201320775339.XU 2013-12-01 2013-12-01 Motor brake torque on-line detector Expired - Fee Related CN203688128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320775339.XU CN203688128U (en) 2013-12-01 2013-12-01 Motor brake torque on-line detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320775339.XU CN203688128U (en) 2013-12-01 2013-12-01 Motor brake torque on-line detector

Publications (1)

Publication Number Publication Date
CN203688128U true CN203688128U (en) 2014-07-02

Family

ID=51010015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320775339.XU Expired - Fee Related CN203688128U (en) 2013-12-01 2013-12-01 Motor brake torque on-line detector

Country Status (1)

Country Link
CN (1) CN203688128U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759877A (en) * 2013-12-01 2014-04-30 江麓机电集团有限公司 Online detector and detection method for motor braking torque
CN105181212A (en) * 2015-10-21 2015-12-23 重庆市银钢一通科技有限公司 Chain wheel torque measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759877A (en) * 2013-12-01 2014-04-30 江麓机电集团有限公司 Online detector and detection method for motor braking torque
CN105181212A (en) * 2015-10-21 2015-12-23 重庆市银钢一通科技有限公司 Chain wheel torque measuring device

Similar Documents

Publication Publication Date Title
CN103323232B (en) Wind driven generator coupler slipping torque Calibrating experimental bench and scaling method
CN102837283B (en) Numerical-control constant-torque electric spanner
CN203688128U (en) Motor brake torque on-line detector
CN103759877A (en) Online detector and detection method for motor braking torque
CN104963928A (en) System for reducing wind driven generator bolt scheduled maintenance frequency
CN204536507U (en) A kind of unmanned plane motor and blade matching performance testing apparatus
CN203691161U (en) Motor having on-line detection function
CN103162900A (en) Embedded type bolt shaft force sensor calibration system and usage method thereof
CN101655400A (en) Method and device for testing shellless motor
CN203287140U (en) Pretightening force measuring mechanism
KR20160064636A (en) Detecting apparatus for unlocking property of combination-typed bolt
CN207832443U (en) A kind of isolator operation torque and rotation angle detecting apparatus
CN204027765U (en) The locked rotor torque pick-up unit of running torque test board
CN206192559U (en) A device is examined to special moment of torsion
CN203376159U (en) A durability experiment apparatus
CN204027766U (en) The dynamic force moment pick-up unit of running torque test board
CN204988239U (en) Screw thread short -term test instrument and thread gage drive arrangement
CN203203732U (en) Portable torque detection apparatus
CN205670061U (en) Track wrench dynamic torque Detecting data
CN108318234A (en) A kind of isolator operation torque and rotation angle detecting apparatus
CN212674336U (en) Intelligent wireless portable torque testing device
CN203894068U (en) Testing apparatus for detecting comprehensive performance of numerical control rotary table
CN204854600U (en) Utensil is examined to slidingtype internal thread axiality
CN103471759A (en) Force moment testing machine
CN204301997U (en) A kind of reduction box noise testing device

Legal Events

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

Granted publication date: 20140702

Termination date: 20191201

CF01 Termination of patent right due to non-payment of annual fee