CN103645437A - Linear motor reciprocating motion constant load test device - Google Patents

Linear motor reciprocating motion constant load test device Download PDF

Info

Publication number
CN103645437A
CN103645437A CN201310612550.4A CN201310612550A CN103645437A CN 103645437 A CN103645437 A CN 103645437A CN 201310612550 A CN201310612550 A CN 201310612550A CN 103645437 A CN103645437 A CN 103645437A
Authority
CN
China
Prior art keywords
linear motor
constant load
magnetic powder
linear
groove
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.)
Granted
Application number
CN201310612550.4A
Other languages
Chinese (zh)
Other versions
CN103645437B (en
Inventor
吉敬华
刘文庆
赵文祥
朱纪洪
刘虎
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.)
Jiangsu University
Original Assignee
Jiangsu University
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 Jiangsu University filed Critical Jiangsu University
Priority to CN201310612550.4A priority Critical patent/CN103645437B/en
Publication of CN103645437A publication Critical patent/CN103645437A/en
Application granted granted Critical
Publication of CN103645437B publication Critical patent/CN103645437B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a linear motor reciprocating motion constant load test device. The exteriors of two ends of the stator of a linear motor are respectively provided with fixed pulleys; a magnetic powder brake is arranged below a test platform; an output shaft of the magnetic powder brake is fixedly connected with a line roller; the periphery of the line roller is provided with two grooves along the axial direction; a transmission rope is fixedly connected with one end of the rotor of the linear motor and the first groove on the line roller, and is wound on the fixed pulleys at one end; the other transmission rope is fixedly connected with the other end of the rotor of the linear motor and the second groove of the line roller, and is wound on the fixed pulleys at the other end; the transmission ropes with a certain length are wound on the two grooves; winding directions of the transmission ropes on the two grooves are opposite; a manual tension controller provides a direct-current power supply for the magnetic powder brake; when the linear motor moves, one groove of the line roller winds the rope, and the other groove of the line roller releases the rope, and therefore, slip can be avoided, and test accuracy can be improved, and bidirectional constant load test can be realized.

Description

A kind of linear electric motors to-and-fro movement constant load proving installation
Technical field
The present invention relates to a kind of linear electric motors constant load proving installation, belong to electromechanical testing field.
Background technology
Existing linear electric motors constant load proving installation as depicted in figs. 1 and 2, to adopt to add weight mode and carry out linear electric motors constant load proving installation, this device comprises transmission rope 1, linear motor stator electric 2, linear motor rotor 3, fixed pulley 5, test platform 6 and counterweight 16, and linear electric motors comprise linear motor rotor 3 and linear motor stator electric 2.Pulling force counterweight 16 being produced by fixed pulley 5 and transmission rope 1 is added on linear motor rotor 3, needs respectively from two different direction loading tensiles (direction as shown in the arrow Fig. 1-2).There is following shortcoming in this device: (1) linear electric motors can only carry out one direction test, is not suitable for the test of to-and-fro movement linear electric motors constant load; (2) motor can not carry out varying duty experiment, in test process, can not change the size of load; (3) in linear motor accelerated process, counterweight 16 also can and then be done accelerated motion, and the pulling force of transmission rope 1 is just not equal to the gravity of counterweight 16 like this, owing to cannot measuring the acceleration of counterweight 16, therefore cannot determine the size of tensile load; (4) low precision.
Summary of the invention
The object of the invention is to propose a kind of linear electric motors to-and-fro movement constant load proving installation for carrying out the defects such as varying duty test and low precision in can only one way measuring of overcoming that above-mentioned prior art exists, experimentation.
The technical solution used in the present invention is: linear electric motors comprise linear motor rotor and linear motor stator electric and are located on test platform upper surface, the outside at linear motor stator electric two ends is respectively provided with fixed pulley, the below of test platform is provided with magnetic powder brake, the output shaft of magnetic powder brake is fixedly connected with line and rolls, line rolls and on outer ring, is provided with vertically two grooves, transmission rope is fixedly connected with first groove that linear motor rotor one end and line roll on and on the fixed pulley of one end, second groove that another root transmission rope is fixedly connected with that the linear motor rotor other end and line roll on and on the fixed pulley of the other end, on two grooves, be all wound with the transmission rope of certain length, the winding direction of the transmission rope on two grooves is contrary, manually tension controller provides direct supply to magnetic powder brake.
The present invention has the following advantages after adopting technique scheme:
1, the present invention is applicable to the test of linear electric motors to-and-fro movement constant load, simple in structure, precision is high.
2, the transmission rope between magnetic powder brake and linear motor rotor adopts wire rope to connect, and because wire rope is not easy to occur elastic deformation, thereby has improved the precision of experiment.
3, when linear electric motors move, the groove coiling that line rolls, another one groove unwrapping wire, has avoided skidding between belt and pulley, improves experimental precision, can realize again two-way constant load test.
4, the travel switch in the present invention connects the power supply of motor, will automatically cut off power supply, in order to avoid the mover of motor is encountered the physical damage that device is caused in the end of stator when motor is encountered travel switch.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail;
Fig. 1 and Fig. 2 adopt in background technology to add the apparatus structure schematic diagram that the mode of counterweight is carried out constant load test;
In Fig. 1-2: 1. transmission rope; 2. linear motor stator electric; 3. linear motor rotor; 5. fixed pulley; 6. test platform; 16. counterweights.
Fig. 3 is the structural representation of a kind of linear electric motors to-and-fro movement constant load proving installation of the present invention;
Fig. 4 is that in Fig. 3, magnetic powder brake 8 and line roll the schematic diagram that 9 structures are amplified;
In Fig. 3-4: 1. transmission rope; 2. linear motor stator electric; 3. linear motor rotor; 4. travel switch; 5. fixed pulley; 6. test platform; 7. manual tension controller; 8. magnetic powder brake; 9. line rolls; 10. output shaft; 11,12. grooves; 13. bases.
Embodiment
Referring to Fig. 3, linear electric motors comprise linear motor rotor 3 and linear motor stator electric 2, linear electric motors are arranged on the upper surface of test platform 6, a travel switch 4 is equipped with respectively at the place, two ends of linear motor stator electric 2, travel switch 4 connects the power supply of motor, when encountering travel switch 4, linear motor rotor 3 will automatically cut off power supply, in order to avoid cause the physical damage of device when linear motor rotor 3 is encountered the end of linear motor stator electric 2.
Outside at linear motor stator electric 2 two ends is respectively provided with fixed pulley 5, fixed pulley 5 has 4, by support, be fixed on test platform 6, in same one end, the above and below of test platform 6 is respectively installed one, and being centered close on same vertical plane of two fixed pulleys 5 of the above and below of test platform 6, is arranged vertically up and down.
Below test platform 6, magnetic powder brake 8 is also installed and line rolls 9, magnetic powder brake 8 is magnetic powder brakes of conventional structure.Magnetic powder brake 8 and line roll 9 centre positions, below that are all positioned at test platform 6, between the fixed pulley 5 at two ends.
Magnetic powder brake 8 connects manual tension controller 7, manually tension controller 7 provides direct supply to magnetic powder brake 8, make magnetic powder brake transmitting torque in energising situation, by regulating manual tension adjustment button on manual tension controller 8 to regulate the size of magnetic powder brake 8 tension force.
Shown in Figure 4, line rolls 9 and is coaxially fixedly connected on the output shaft 10 of magnetic powder brake 8, with magnetic powder brake 8 coaxial rotatings.Rolling online on 9 outer rings, be provided with vertically two grooves, is respectively groove 11 and groove 12.Magnetic powder brake 8 is fixed on base 13, and base 13 is stupefied to be fixed on the ground.
Transmission rope 1 one end is fixedly connected with linear motor rotor 3 one end, and transmission rope 1 other end is fixedly connected with on the groove 11 that rolls online 9, middle on two fixed pulleys 5 with end.Another root transmission rope 1 one end is fixedly connected with linear motor rotor 3 other ends, and another root transmission rope 1 other end is fixedly connected with on the groove 12 that rolls online 9, middle on two fixed pulleys 5 with end.Will be in advance on groove 11 and groove 12 all around the transmission rope 1 of certain length amount.The winding direction of the transmission rope 1 on groove 11 and groove 12 is contrary, when linear motor rotor 3 motion, and a groove coiling, another one groove unwrapping wire, had both avoided skidding, realized again two-way constant load test.Transmission rope 1 is wire rope, is not easy to occur elastic deformation, thereby has improved the precision of experiment.

Claims (4)

1. a linear electric motors to-and-fro movement constant load proving installation, linear electric motors comprise linear motor rotor (3) and linear motor stator electric (2) and are located on test platform (6) upper surface, it is characterized in that: the outside at linear motor stator electric (2) two ends is respectively provided with fixed pulley (5), the below of test platform (6) is provided with magnetic powder brake (8), the output shaft of magnetic powder brake (8) is fixedly connected with line and rolls (9), line rolls and on (9) outer ring, is provided with vertically two grooves (11, 12), a transmission rope (1) is fixedly connected with linear motor rotor (3) one end and line rolls first groove (11) on (9), and on the fixed pulley (5) of one end, another root transmission rope (1) is fixedly connected with that linear motor rotor (3) other end and line roll second groove (12) on (9) and on the fixed pulley (5) of the other end, two grooves (11, 12) on, be all wound with the transmission rope (1) of certain length, two grooves (11, 12) winding direction of the transmission rope on (1) is contrary, manually tension controller (7) provides direct supply to magnetic powder brake (8).
2. a kind of linear electric motors to-and-fro movement constant load proving installation according to claim 1, it is characterized in that: the place, two ends of linear motor stator electric (2) is respectively equipped with a travel switch (4), travel switch (4) connects the power supply of motor, the moving power supply that cuts off when linear motor rotor (3) is encountered travel switch (4).
3. a kind of linear electric motors to-and-fro movement constant load proving installation according to claim 1, it is characterized in that: a fixed pulley (5) is respectively established in the above and below at the test platform (6) of same one end, with being centered close on same vertical plane of two fixed pulleys (5) of the above and below of one end.
4. a kind of linear electric motors to-and-fro movement constant load proving installation according to claim 1, is characterized in that: described transmission rope (1) is wire rope.
CN201310612550.4A 2013-11-28 2013-11-28 A kind of linear electric motors to-and-fro movement constant load proving installation Active CN103645437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310612550.4A CN103645437B (en) 2013-11-28 2013-11-28 A kind of linear electric motors to-and-fro movement constant load proving installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310612550.4A CN103645437B (en) 2013-11-28 2013-11-28 A kind of linear electric motors to-and-fro movement constant load proving installation

Publications (2)

Publication Number Publication Date
CN103645437A true CN103645437A (en) 2014-03-19
CN103645437B CN103645437B (en) 2016-03-02

Family

ID=50250687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310612550.4A Active CN103645437B (en) 2013-11-28 2013-11-28 A kind of linear electric motors to-and-fro movement constant load proving installation

Country Status (1)

Country Link
CN (1) CN103645437B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510054A (en) * 2016-02-01 2016-04-20 来宾市天球电器有限公司 Performance detector of vehicle window automatic lifter
CN105606372A (en) * 2016-02-01 2016-05-25 温州天球电器有限公司 Vehicle window automatic riser performance detection machine
CN108983093A (en) * 2018-06-13 2018-12-11 哈尔滨工业大学 A kind of linear motor positioning force test method and test device
CN109738165A (en) * 2019-01-24 2019-05-10 上海起帆电缆股份有限公司 Testing equipment and test method under photoelectric compound cable dynamic load
CN110501173A (en) * 2019-08-13 2019-11-26 中国航空工业集团公司西安飞行自动控制研究所 A kind of bi-directional torque loading device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04351979A (en) * 1991-05-30 1992-12-07 Meidensha Corp Test apparatus of linear motor
JP2000270534A (en) * 1999-03-19 2000-09-29 Matsushita Electric Ind Co Ltd Dynamic characteristics measuring device for linear motor
CN101980037A (en) * 2010-11-08 2011-02-23 清华大学 Comprehensive test device for linear motor motion system
CN202305761U (en) * 2011-10-26 2012-07-04 北京精密机电控制设备研究所 Linear motor fictitious load platform
CN102636752A (en) * 2012-05-02 2012-08-15 中国船舶重工集团公司第七一二研究所 Device for testing linear generator
CN203616449U (en) * 2013-11-28 2014-05-28 江苏大学 Reciprocating motion constant load test device of linear motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04351979A (en) * 1991-05-30 1992-12-07 Meidensha Corp Test apparatus of linear motor
JP2000270534A (en) * 1999-03-19 2000-09-29 Matsushita Electric Ind Co Ltd Dynamic characteristics measuring device for linear motor
CN101980037A (en) * 2010-11-08 2011-02-23 清华大学 Comprehensive test device for linear motor motion system
CN202305761U (en) * 2011-10-26 2012-07-04 北京精密机电控制设备研究所 Linear motor fictitious load platform
CN102636752A (en) * 2012-05-02 2012-08-15 中国船舶重工集团公司第七一二研究所 Device for testing linear generator
CN203616449U (en) * 2013-11-28 2014-05-28 江苏大学 Reciprocating motion constant load test device of linear motor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周一飞: "在电机测试中保持负载转矩恒定的一种方法", 《电气传动自动化》 *
白连平等: "电机实验中稳恒负载的实现", 《实验技术与管理》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510054A (en) * 2016-02-01 2016-04-20 来宾市天球电器有限公司 Performance detector of vehicle window automatic lifter
CN105606372A (en) * 2016-02-01 2016-05-25 温州天球电器有限公司 Vehicle window automatic riser performance detection machine
CN105510054B (en) * 2016-02-01 2018-04-20 来宾市天球电器有限公司 Vehicle window lift clutch performance detection machine
CN108983093A (en) * 2018-06-13 2018-12-11 哈尔滨工业大学 A kind of linear motor positioning force test method and test device
CN109738165A (en) * 2019-01-24 2019-05-10 上海起帆电缆股份有限公司 Testing equipment and test method under photoelectric compound cable dynamic load
CN110501173A (en) * 2019-08-13 2019-11-26 中国航空工业集团公司西安飞行自动控制研究所 A kind of bi-directional torque loading device

Also Published As

Publication number Publication date
CN103645437B (en) 2016-03-02

Similar Documents

Publication Publication Date Title
CN103645437B (en) A kind of linear electric motors to-and-fro movement constant load proving installation
CN203616449U (en) Reciprocating motion constant load test device of linear motor
CN104876001A (en) Short-distance panel transportation device
CN204823514U (en) Power cable spooler
CN203558395U (en) Hoisting mechanism of stacker loading platform
CN204162183U (en) A kind of wire coiling machine
CN201842592U (en) Winch
CN205676057U (en) Electric coiling machine
CN202687592U (en) Winding tension automatic control device
CN103464480B (en) Rupture test load is controllable stretches wire reel-up device continuously
CN103813867B (en) For the equipment of the defect in filtering metal wire
CN104401858B (en) Gear-free tractor
CN103832895A (en) Constant-tension automatic cable conveying mechanism
CN103130044B (en) Vertical counterweight compensation balance type numerical control winding machine and wire
CN105923320A (en) Short-distance plate transportation device
CN203781352U (en) Setting machine lifting device
CN106437210B (en) A kind of straight rotating linkage ride
CN208637215U (en) A kind of small tension receiving coil cage winch bobbin loader
CN205011205U (en) Novel vertical lift device
CN111633054A (en) Transmission device suitable for stable take-up and pay-off of spool
CN202245869U (en) Dispatch winder adopting electromagnetic variable-speed motor
CN206457151U (en) Elevator even retardation device
CN203699195U (en) Permanent magnet motor driving tensioning device
CN211871031U (en) Take-up tension control device of cage strander
CN102211726A (en) Speed sensing overspeed triggering device for cage and counterweight

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model