CN101526435B - Torque loading tester and controlling system thereof - Google Patents
Torque loading tester and controlling system thereof Download PDFInfo
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- CN101526435B CN101526435B CN2009100483595A CN200910048359A CN101526435B CN 101526435 B CN101526435 B CN 101526435B CN 2009100483595 A CN2009100483595 A CN 2009100483595A CN 200910048359 A CN200910048359 A CN 200910048359A CN 101526435 B CN101526435 B CN 101526435B
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- servomotor
- intermediate transverse
- transverse girder
- screw mandrel
- cylinder
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Abstract
The invention relates to a novel multifunctional torque loading tester and a controlling system thereof. The tester comprises a bottom board, a left upright post and a right upright post vertically fixed on the bottom board, and an upper cross beam fixed on top ends of the left upright post and the right upright post. Both ends of a middle crossbeam respectively support a left screw and a right screw in the left upright post and the right upright post. An electric motor fixed on the upper cross beam is used for driving the middle cross beam to upwardly and downwardly move through a transmission mechanism of upward and downward movement. One end of the middle cross beam is provided with a hand wheel driving the middle cross beam to rotate in the range from 0 to 180 DEG by a turbine-worm rotating and transmitting mechanism. The middle cross beam is provided with an air cylinder loader and a servomotor loader. The controlling system of the tester is as follows: the air cylinder loader is connected with a pneumatic servo closed-loop controlling system, and the servomotor loader is connected with servomotor closed-loop controlling system. The invention can realize position control, speed control and torque control on the detected product, and the accurate control and detection of the position-change amount and the static strength of the detected product required by the standard, can be conveniently operated on a control panel and a computer, and can realize the detection of a plurality of items.
Description
Technical field:
The present invention is a kind of being applicable to various detected products, carries out the equipment that torsion, pushing force and moment load test.This equipment of utilization can be realized the detection test to various product and parts loading force or moment according to the requirement of relevant criterion.This invention belongs to the inspection technology field of detecting.
Background technology:
Along with the development of China economic technology, China is to the check of product also standard more and more.Wherein, the static(al) of product loads test and the testing fatigue performance is to require one of maximum test item in each class standard, and the static(al) loading equipemtn has wide prospect.
Static(al) loads test and testing fatigue, and the pressure meter is manual to be tested if the operator utilizes, and the result error that obtains is bigger, and and is not easy to realize.So need design a cover moment loading equipemtn, make static(al) load test and testing fatigue and check that science is convenient more.
This multi-functional moment loading equipemtn can carry out loading of closed loop power and testing fatigue to various product and parts thereof according to the requirement of standard.The test operation personnel only need to set the power of loading and the size of moment before test, and equipment just can be according to the power or the moment that are provided with, automatic region of interest loading force or moment to product and parts.If do testing fatigue, the number of times of test period should be set also.
Summary of the invention:
The present invention is directed to the defective that prior art exists, a kind of novel multifunctional torque loading tester and control system thereof are provided.This testing machine can apply the power and the moment of standard-required fast accurately according to standard-required, satisfies the control requirement that static(al) loads test and testing fatigue check.
For achieving the above object, design of the present invention is: in order to satisfy each standard to the direction that applies power in the process of the test and the direction and the requirement of size requirements and moment, we adopt two kinds of controls, a kind of is to drive screw mandrel to the detected part application of force by servomotor, can control and change the size and Orientation of the application of force at any time; Another kind is by the cylinder application of force, utilizes the flexible of cylinder to load, and the size that applies power is controlled by the compressed-air actuated pressure that pneumatic servovalve control enters cylinder.These two kinds of controls all are installed in the rotatable mechanism, can be in its vertical plane Rotate 180 °, can test the different parts of the part of differing heights, thereby satisfy the requirement of each standard.Simultaneously, the loading head of two kinds of controls all is equipped with pressure transducer, is used for carrying out the feedback of power, guarantees that cylinder applies the accurate and stable of power.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of novel multifunctional torque loading tester, comprise base plate, vertical fixing left column and the right column on base plate, and the entablature that is fixed on left and right column top, it is characterized in that: have the two ends of an intermediate transverse girder to be supported on respectively on the interior left and right two rhizoid bars of described left and right column; Drive described intermediate transverse girder and move up and down through moving up and down gear train by a motor that is fixed on the entablature; One end of described intermediate transverse girder is equipped with handwheel and rotates in 0～180 ° of scope through turbine and worm rotating mechanism driving intermediate transverse girder; A cylinder charger and a servomotor charger are installed on the described intermediate transverse girder.
Above-mentioned cylinder charger is: a cylinder movable plate cunning is joined and is installed on the described intermediate transverse girder, can move left and right adjust the position; An application of force cylinder is installed on the described cylinder movable plate; On the sidewall of the described application of force cylinder pneumatic servovalve is housed, the head of the flexible piston rod of application of force cylinder is equipped with pressure transducer and cylinder loading head.
Above-mentioned servomotor charger is: one loads the movable plate cunning and joins and be installed on the described intermediate transverse girder, can move left and right adjust the position; A screw mandrel pedestal connecting plate is installed on described loading movable plate, a rhizoid bar is installed in described screw mandrel pedestal connecting plate, connect one at described screw mandrel pedestal connecting plate by slide block and load the seat base plate; At described screw mandrel pedestal connecting plate afterbody a servomotor is installed and is loaded seat, load at described servomotor a servomotor is installed on the seat, described servomotor connects screw mandrel by shaft coupling; Described loading seat base plate front end is equipped with pull pressure sensor and servomotor loading head, at screw mandrel pedestal connecting plate front end draw-wire displacement sensor is housed.
Above-mentioned reciprocating mechanism is: described motor is through drive sprocket of another secondary turbine and worm transmission, chain-wheel mechanism in the described left and right column of the chain drive of drive sprocket in being installed in described entablature, described chain-wheel mechanism is connected on the screw mandrel in the described left and right column by key, moves up and down thereby drive described intermediate transverse girder two supports slide block by the screw mandrel in the described left and right column.
Above-mentioned handwheel and turbine and worm rotating mechanism are installed on the supporting slide block of described intermediate transverse girder one end, and handwheel drives described intermediate transverse girder through the turbine and worm rotating mechanism and rotates.
A kind of control system that is used for above-mentioned testing machine is characterized in that described cylinder charger connects a pneumatic servo closed-loop control system, and described servomotor charger connects a servomotor closed-loop control system.
Above-mentioned pneumatic servo closed-loop control system comprises an application of force cylinder and a pressure transducer, described application of force cylinder is furnished with an application of force cylinder control servo-valve, pressure transducer is connected to a programmable logic controller (PLC), and described programmable logic controller (PLC) connects described cylinder control servo-valve and a computation interface.
Above-mentioned servomotor closed-loop control system comprises an AC servo motor and a pressure transducer and a draw-wire displacement sensor, described AC servo motor connects described pressure transducer and draw-wire displacement sensor, be connected to a programmable logic controller (PLC), described programmable logic controller (PLC) is connected to described AC servo motor and a computation interface.
The invention has the beneficial effects as follows: can realize position control, speed control and Torque Control, realization standard desired accurate control and detection detected product to detected product addendum modification and static strength.Can be at control panel and the enterprising line operate of computing machine, easy to operate, and can realize the detection of a plurality of projects.
Description of drawings:
Fig. 1 is multi-functional torque loading tester general structure synoptic diagram.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of cylinder charger and servomotor charger.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is a pneumatic servo closed-loop control system structured flowchart.
Fig. 6 is a servomotor closed-loop control system structured flowchart.
Embodiment:
An example of the present invention accompanying drawings is as follows:
As depicted in figs. 1 and 2, the multi-functional torque loading tester of the present invention comprises base plate 6, vertical fixing left column 5 and the right column 9 on base plate 6, and the entablature 2 that is fixed on left and right column 5,9 tops, have the two ends of an intermediate transverse girder 8 be supported on respectively in the described left and right column 5,9 about on the two rhizoid bars; Drive described intermediate transverse girder 8 and move up and down through moving up and down gear train by a motor 1 that is fixed on the entablature 2; One end of described intermediate transverse girder 8 is equipped with handwheel and rotates in 0～180 ° of scope through turbine and worm rotating mechanism driving intermediate transverse girder; A cylinder charger 4 and a servomotor charger 7 are installed on the described intermediate transverse girder 8.
The above-mentioned gear train that moves up and down is: described motor 1 is through drive sprocket of a secondary turbine and worm transmission, chain-wheel mechanism in the described left and right pillar 5,9 of the chain drive of drive sprocket in being installed in described entablature 2, described chain-wheel mechanism is connected on the screw mandrel in the described left and right pillar 5,9 by key, moves up and down thereby drive described intermediate transverse girder 8 two supports slide blocks by the screw mandrels in the described left and right pillar 5,9.
Above-mentioned handwheel and turbine and worm rotating mechanism are: described handwheel and turbine and worm rotating mechanism are installed on the supporting slide block of described intermediate transverse girder one end, and handwheel drives described intermediate transverse girder through the turbine and worm rotating mechanism and rotates.
Referring to Fig. 3 and Fig. 4, above-mentioned cylinder charger 4 is: cylinder movable plate 12 is installed on the intermediate transverse girder 8, can move left and right adjust the position; Application of force cylinder 11 is installed on the cylinder movable plate 12, and its sidewall is equipped with pneumatic servovalve 13, at the head of the piston rod of application of force cylinder 11 pull pressure sensor 14 and cylinder loading head 15 is installed.Above-mentioned servomotor charger 7 is: load movable plate 21 and be installed on the intermediate transverse girder 8, can move left and right adjust the position; On loading movable plate 21, screw mandrel pedestal connecting plate 23 is installed, screw mandrel 22 is installed, on screw mandrel pedestal connecting plate 23, link to each other with a loading seat base plate 24 by slide block in the inside of screw mandrel pedestal connecting plate 23; Afterbody at screw mandrel pedestal connecting plate 23 is equipped with servomotor loading seat 17, the servomotor 16 that is installed on the servomotor loading seat 17 drives screw mandrel 22 motions by shaft coupling, thereby the loading seat base plate 24 that is installed on the slide block is advanced or retreat, at a loading seat base plate front end pull pressure sensor 19 and servomotor loading head 20 are installed, draw-wire displacement sensor 18 are installed at screw mandrel pedestal connecting plate 23 front ends.
The control system of this testing machine is made up of a pneumatic servo closed-loop control system and a servomotor closed-loop control system.Referring to Fig. 5, above-mentioned pneumatic servo closed-loop control system comprises an application of force cylinder 11 and a pressure transducer 14, described application of force cylinder 11 is furnished with an application of force cylinder control servo-valve 13, pressure transducer 14 is connected to a programmable logic controller (PLC) 25, and described programmable logic controller (PLC) 25 connects described cylinder control servo-valve 13 and a computation interface 26.Referring to Fig. 6, above-mentioned servomotor closed-loop control system comprises an AC servo motor 16 and a pressure transducer 19 and a draw-wire displacement sensor 18, described AC servo motor 16 connects described pressure transducer 19 and draw-wire displacement sensor 18, be connected to a programmable logic controller (PLC) 25, described programmable logic controller (PLC) 25 is connected to described AC servo motor 16 and a computation interface 26.
Principle of work is as follows:
As Fig. 5, the control principle of pneumatic servo closed-loop control system is: pressure transducer 14 reads the power value, gather the power value by programmable logic controller (PLC) 25, send computing machine 26 to, computing machine 26 is through comparison operation, and the test parameters of setting sends programmable logic controller (PLC) 25 to, thereby control servo electromagnetic valve 13 is exported, drive application of force cylinder 11 and load or withdrawal, this moment, pressure transducer 14 read new value, and programmable logic controller (PLC) 25 reads new value.
As Fig. 6, the control principle of servomotor closed-loop control system is: pressure transducer 19 reads the power value, draw-wire displacement sensor 18 reads shift value, programmable logic controller (PLC) 25 is gathered power value and shift value, send computing machine 26 to, computing machine 26 is through comparison operation, the test parameters that is provided with sends programmable logic controller (PLC) 25 to, thereby drive AC servo motor 16 and carry out forward or reverse, its output speed and torque be may command all, pressure transducer 19 reads new value, and draw-wire displacement sensor 18 reads new value, and this moment, programmable logic controller (PLC) 25 was gathered power value and shift value again.Therefore can realize locating the servocontrol of moving or deciding the power value or deciding torque.
Claims (3)
1. novel multifunctional torque loading tester, comprise base plate (6), vertical fixing left column (5) and the right column (9) on base plate (6), and the entablature (2) that is fixed on left and right column (5,9) top, it is characterized in that: have the two ends of an intermediate transverse girder (8) to be supported on respectively on the interior left and right two rhizoid bars of described left and right column (5,9); Drive described intermediate transverse girder (8) and move up and down through moving up and down gear train by a motor (1) that is fixed on the entablature (2); One end of described intermediate transverse girder (8) is equipped with handwheel and rotates in 0～180 ° of scope through turbine and worm rotating mechanism driving intermediate transverse girder (8); Described intermediate transverse girder (8) is gone up a cylinder charger (4) and a servomotor charger (7) is installed; Described cylinder charger is: sliding joining of a cylinder movable plate (12) is installed on the described intermediate transverse girder (8), can move left and right adjust the position; An application of force cylinder (11) is installed on the described cylinder movable plate (12); Pneumatic servovalve (13) is housed on the sidewall of described application of force cylinder (11), and the head of the flexible piston rod of application of force cylinder (11) is equipped with pressure transducer (14) and cylinder loading head (15); Described servomotor charger is: sliding joining of a loading movable plate (21) is installed on the described intermediate transverse girder (8), can move left and right adjust the position; Go up an installation screw mandrel pedestal connecting plate (23) at described loading movable plate (21), a rhizoid bar (22) is installed in described screw mandrel pedestal connecting plate (23), connect one at described screw mandrel pedestal connecting plate (23) by slide block and load seat base plate (24); At described screw mandrel pedestal connecting plate (23) afterbody a servomotor is installed and is loaded seat (17), go up at described servomotor loading seat (17) servomotor (16) is installed, described servomotor (16) connects screw mandrel (22) by shaft coupling; Described loading seat base plate (24) front end is equipped with pull pressure sensor (19) and servomotor loading head (20), at screw mandrel pedestal connecting plate (23) front end draw-wire displacement sensor (18) is housed.
2. novel multifunctional torque loading tester according to claim 1, it is characterized in that the described gear train that moves up and down is: described motor (1) is through drive sprocket of another secondary turbine and worm transmission, chain-wheel mechanism in the described left and right column of the chain drive of drive sprocket in being installed in described entablature (2) (5,9), described chain-wheel mechanism is connected on the interior screw mandrel of described left and right column (5,9) by key, moves up and down thereby drive described intermediate transverse girder (8) two supports slide block by the screw mandrel in the described left and right column (5,9).
3. novel multifunctional torque loading tester according to claim 2, it is characterized in that: described handwheel and turbine and worm rotating mechanism are installed on the supporting slide block of described intermediate transverse girder (8) one ends, and handwheel drives described intermediate transverse girder (8) through the turbine and worm rotating mechanism and rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100483595A CN101526435B (en) | 2009-03-26 | 2009-03-26 | Torque loading tester and controlling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100483595A CN101526435B (en) | 2009-03-26 | 2009-03-26 | Torque loading tester and controlling system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101526435A CN101526435A (en) | 2009-09-09 |
| CN101526435B true CN101526435B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100483595A Expired - Fee Related CN101526435B (en) | 2009-03-26 | 2009-03-26 | Torque loading tester and controlling system thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213629B (en) * | 2010-04-01 | 2013-08-28 | 鸿富锦精密工业（深圳）有限公司 | Torsion detection device |
| CN102141484B (en) * | 2010-12-29 | 2014-04-30 | 天津大学 | Multi-functional portable electric servo control loading device and loading method thereof |
| CN106160330A (en) * | 2016-07-10 | 2016-11-23 | 上海大学 | Electric cylinder installs fixed structure |
| CN110455522B (en) * | 2019-09-19 | 2021-03-26 | 上海海事大学 | Random test method for vehicle door endurance test bed based on servo electric cylinder |
| CN111504764A (en) * | 2020-03-30 | 2020-08-07 | 北京航空航天大学 | Force transmission device matched with universal tester and used for simulating walking of human foot |
| CN113567258A (en) * | 2021-07-19 | 2021-10-29 | 上汽通用五菱汽车股份有限公司 | Automobile isolation fence strength test detection device |
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2009
- 2009-03-26 CN CN2009100483595A patent/CN101526435B/en not_active Expired - Fee Related
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