CN100504336C - Bi-directional electromechanical actuation type test-bed for damper - Google Patents

Bi-directional electromechanical actuation type test-bed for damper Download PDF

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Publication number
CN100504336C
CN100504336C CNB2004100403140A CN200410040314A CN100504336C CN 100504336 C CN100504336 C CN 100504336C CN B2004100403140 A CNB2004100403140 A CN B2004100403140A CN 200410040314 A CN200410040314 A CN 200410040314A CN 100504336 C CN100504336 C CN 100504336C
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CN
China
Prior art keywords
base
support
electromechanical actuator
force seat
adjustable counter
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CNB2004100403140A
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Chinese (zh)
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CN1727867A (en
Inventor
张卫华
马启文
吴学杰
黄丽湘
陈良麒
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西南交通大学
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Priority to CNB2004100403140A priority Critical patent/CN100504336C/en
Publication of CN1727867A publication Critical patent/CN1727867A/en
Application granted granted Critical
Publication of CN100504336C publication Critical patent/CN100504336C/en

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Abstract

The present invention discloses a bidirectional electromechanical actuating type vibration absorber test bed. The present invention is characterized in that a machine seat (7) is an L-shaped machine sA test bed of vibration absorber in two way electromechanical actuating type consists of ''L'' shaped body base formed by rigid - connecting base with vertical column; electromechanical actuator formeeat (7) which is composed of a base (10) and an upright post (6) which form rigid connection; a dynamic mechanism, a transmission mechanism and an executing mechanism form an integrated electromechanid by power mechanism, driving mechanism and executing mechanism; turnover mechanism on body base for rotating said actuator on lead vertical surface, locking mechanism on base and vertical column for cal actuator (9); the machine seat (7) is provided with a steering mechanism which is used for actuating the electromechanical actuator (9) to rotate in a vertical plane; the base (10) and the uprightlocking said actuator and counter force seat on both base and vertical column. post (6) are respectively provided with a locking mechanism (8) which is used for locking the electromechanical actuator (9), and the base (10) and the upright post (6) are respectively provided with an adjustable reaction seat (1). The present invention has the advantages of good dynamic performance, high working precision, wide test range, strong adaptability, less energy consumption, low noise, no pollution, fast and convenient operation, etc.

Description

Two-way electromechanics is made the dynamic formula damper test stand

Affiliated technical field

The present invention relates to a kind of electromechanics that is used for the vibration damper performance test and make dynamic formula vibration damper test unit, relate in particular to a kind of two-way electromechanics that is used for rolling stock and other transport facility vibration damper performance test and make the dynamic formula damper test stand.

Background technology

Vibration damper is the vitals of rolling stock and other transport facility, and whether its damping parameter coupling rationally directly influences the rolling stock running quality, so usually will make a service test to vibration damper.Damper test stand at first will possess to vibration damper and applies push-pull effort and make the function of straight reciprocating motion, the scope of its operating rate is wished can be adjustable continuously between 0.5 meter of 0.001 meter~per second of per second, also should be able to control simultaneously, and amount of force is measured etc. reciprocating stroke and frequency.It is vehicle shock absorber test-bed that prior art such as China Patent No. 95226272.X propose, and adopts motor to drive toggle through belt gear, and with toggle as the reciprocating topworks of push-and-pull.The vertical installation of tested vibration damper, the slide block on the connecting rod of its lower end and toggle connects, and the upper end connects with the crossbeam of a tower structure.The tested vibration damper that adapts to different length with the mode that changes the upper beam height.The used belt gear of this testing table is flexible transmission, and is by the friction transferring power, so dynamic perfromance is relatively poor, control accuracy is lower, efficient is not high, and the inconvenient operation of moving beam, and the operating condition of test of the horizontal vibration damper of level is not set; " rail truck " the 38th rolled up the two-way oil-pressure damper testing table of the contained J95 type of (2000 the 3rd phases) clour insert for another example, this testing table topworks is two cover oil cylinder pistons, oil pressure actuated, for realizing the operating condition of test of vertical and horizontal both direction, adopted two cover oil cylinder piston topworkies, a cover hydraulic oil feed system also need have been arranged, the total system complexity except that machinery, electric device, reciprocating velocity range difficulty satisfies actual needs, and unavoidable oil liquid leakage pollutes and noise pollution.The reciprocating frequency of this damper test stand can not step-less adjustment.

Summary of the invention

Purpose of the present invention just provides that a kind of dynamic property is good, operating accuracy is high, test specification is wide, adaptability is strong, less energy consumption, noise vibration damper test unit low, pollution-free, swift and convenient to operate.

The present invention solves its technical matters, the technical scheme that is adopted is: a kind of two-way electromechanics is made the dynamic formula damper test stand, contain actuating unit, gear train and the topworks that does straight reciprocating motion, and the adjustable counter-force seat that is connected on the support arranged, its design feature is: described support is " L " shape support that base and column are rigidly connected into, actuating unit, the electromechanical actuator that gear train and topworks are integrated, be provided with one on the support and be used to order about the steering mechanism of electromechanical actuator in the vertical guide rotation, one locking mechanism that is used to lock electromechanical actuator is respectively arranged on base and the column, an adjustable counter-force seat respectively is installed on base and the column.

Integral machine motor-driven cylinder among the present invention, the application number that can select for use the applicant to apply for are No. 03249715.6 " electromechanical actuator " or the electromechanical actuator of other existing similar structures.

Compared with prior art, the invention has the beneficial effects as follows: because of on " L " shape support, having adopted rotary shaft steering mechanism and locking mechanism, can change the test orientation easily, realize the demand of vertical and the test of horizontal both direction with an electromechanical actuator; The design of adjustable counter-force seat and latch mechanism makes that testing table adaptability is strong and Installation and Debugging are efficient and convenient; Adopt integral machine motor-driven cylinder double as actuating unit, gear train and topworks, its moment of inertia is little, transmission stiffness is big, thrust output is big and stablize, so dynamic perfromance is good, operating accuracy is high, and because the actuating unit of integral machine motor-driven cylinder can adopt the AC servo motor of transistor pulse width modulated frequency convertor control, thereby the continuous stepless that can realize frequency (or speed), amplitude in very wide working range (maximum operating speed can reach 500 with the ratio of minimum operating rate) is regulated; And there are not oil liquid leakage pollution, low noise, low energy consumption.

Above-mentioned steering mechanism constitutes: there is the rotating shaft of a pair of symmetry electromechanical actuator body both sides, this rotating shaft is installed on the support bearing seat, roller end is equipped with a fan-shaped gear wheel, and with a pinion, the pinion shaft of this pinion wheel is bearing on the support by bearing, and handwheel is installed in the pinion shaft outer end.

Constituting of the locking mechanism of above-mentioned electromechanical actuator: there is the positioning tab of a pair of symmetry electromechanical actuator body both sides, have a conical bore, this conical bore can insert the taper bolt head of register pin on the lug end face.

Constituting of above-mentioned adjustable counter-force seat: the base plate of adjustable counter-force seat places on the guide plate of the guide groove both sides that support is provided with, screw mandrel in the guide groove and the feed screw nut's engagement that is fixed on adjustable counter-force seat floor below, an end of screw mandrel connects with hand wheel shaft through the bevel gear of pair of meshing.

Above-mentioned adjustable counter-force seat is provided with latch mechanism, constituting of this latch mechanism: the guide plate below of support is provided with pressing plate, pressing plate is tied at the depression bar middle part by bearing pin one hinge, on the following lug of adjustable counter-force seat base plate, the other end of depression bar connects by the adjustable counter-force seat base plate of bolt and support guide plate top one end of depression bar with bearing pin two hinge knots.

The position of adjustable counter-force seat adopts lead screw transmission mechanism to regulate, and the latch mechanism the adjustable counter-force seat of nationality base plate under is locked at it on guide plate of support, tests needs thereby the present invention can adapt to the vibration damper of multiple size.

Description of drawings

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:

Fig. 1 is the front view of the embodiment of the invention.

Fig. 2 is the vertical view of the embodiment of the invention.

Fig. 3 is the partial enlarged drawing of the bearing seat of the embodiment of the invention.

Fig. 4 is the partial enlarged drawing of the adjustable counter-force seat of the invention process latch mechanism part.

Fig. 5 is the adjustable counter-force seat latch mechanism end-view partial enlarged drawing of the embodiment of the invention.

Fig. 6 is the electromechanical actuator steering mechanism of the embodiment of the invention and the partial enlarged drawing of locking mechanism.

Embodiment

Fig. 1, Fig. 2 illustrates, a kind of embodiment of the present invention is: a kind of actuating unit that contains, gear train and the topworks that does straight reciprocating motion, and there is the two-way electromechanics that is connected the adjustable counter-force seat 1 on the support 7 to make the dynamic formula damper test stand, " L " shape support 7 that support 7 is rigidly connected into for base 10 and column 6, actuating unit, the electromechanical actuator 9 that gear train and topworks are integrated, be provided with one on the support 7 and be used to order about the steering mechanism of electromechanical actuator 9 in the vertical guide rotation, one locking mechanism 8 that is used to lock electromechanical actuator 9 is respectively arranged on base 10 and the column 6, on base 10 and the column 6 an adjustable counter-force seat 1 is installed respectively.Base 10 is bolted to connection " L " shape support with column 6 in this example.

Integral machine motor-driven cylinder 9 among the present invention, the application number that can select for use the applicant to apply for is: No. 03249715.6 " electromechanical actuator " or the electromechanical actuator of other existing similar structures.

Fig. 1, Fig. 2, Fig. 6 and Fig. 3 illustrate, present embodiment steering mechanism constitutes: there is the rotating shaft 29 of a pair of symmetry electromechanical actuator 9 body both sides, this rotating shaft 29 is installed on the support bearing seat 12, a fan-shaped gear wheel 20 is equipped with in rotating shaft 29 ends, and with a pinion wheel 21 engagements, the pinion shaft 33 of pinion wheel 21 is bearing on the support by bearing, and handwheel 5 is installed in pinion shaft 33 outer ends.Rotate handwheel 5 can be easily with the orientation of electromechanical actuator 9 from laterally forwarding to vertical or forwarding to laterally from vertical.Bearing seat 12 on the support 7 of present embodiment has flap 13 and fastening bolt 14.

Fig. 1, Fig. 2, Fig. 6 illustrate, constituting of the locking mechanism 8 of electromechanical actuator 9: there is the positioning tab 26 of a pair of symmetry electromechanical actuator 9 body both sides, on lug 26 end faces conical bore is arranged, this conical bore can insert the taper bolt head of register pin 25, in order to locking electromechanical actuator 9.

In the present embodiment, spring 24 is placed on the register pin 25 and integral body places in the set pin sleeve 23, by control crank 31, and the effect of nationality spring 24, in the conical bore with the taper bolt head insertion machine motor-driven cylinder lug 26 of register pin 25, locking electromechanical actuator 9 bodies.

Fig. 1, Fig. 2, Fig. 4, Fig. 5 illustrate, constituting of adjustable counter-force seat 1: the base plate 27 of adjustable counter-force seat 1 place guide groove both sides that support 7 (also being base 10 and column 6) is provided with guide plate 28 tops, screw mandrel 11 in the guide groove and the feed screw nut's engagement that is fixed on adjustable counter-force seat 1 base plate 27 belows, an end of screw mandrel connects with hand wheel shaft 34 through the bevel gear 32 of pair of meshing.Rotate hand wheel shaft 34 promptly by bevel gear (to) 32, screw mandrel 11, feed screw nut, drive adjustable counter-force seat 1 and move, to adapt to the vibration damper test needs of multiple size along the guide plate 28 of support.

Fig. 4, Fig. 5 and Fig. 1 illustrate, adjustable counter-force seat is provided with latch mechanism, constituting of this latch mechanism: guide plate 28 belows of support 7 are provided with pressing plate 17, pressing plate 17 is tied at depression bar 16 middle parts by bearing pin one 15 hinges, on the following lug 30 of adjustable counter-force seat 1 base plate 27, the other end of depression bar 16 connects by the base plate 27 of bolt 18 with the adjustable counter-force seat 1 of support 7 guide plates 28 tops one end of depression bar 16 with bearing pin 2 36 hinge knots.Tight a bolt nut on 18 can clamp support guide plate 28 by pressing plate 17 and adjustable counter-force seat base plate 27, and and then fixing tested vibration damper 4; Unclamp nut, promptly removable adjustable counter-force seat.

Fig. 1, Fig. 2 illustrate, and during use, electromechanical actuator 9 29 are rotated the direction that can change the start loop bar straight reciprocating motion on topworks's electromechanical actuator 9 around the shaft; Each pair of locking mechanism on base 10 and the column 6 is respectively applied for and on the horizontal or vertical both direction electromechanical actuator 9 is being locked on base 10 or the column 6; The start loop bar of tested vibration damper 4 one ends and electromechanical actuator 9 connects, and the other end and adjustable counter-force seat 1 connect.

Fig. 1 illustrates, and the present invention also can be provided with universal contact (UVC) 3, force cell 2 and the parts such as observing and controlling, demonstration and data processing of prior art.At this moment, underproof vibration damper 4, one ends connect with the start of electromechanical actuator 9 cover boom end through universal contact (UVC) 3 again, the other end through universal contact (UVC) 3 again be fixed on adjustable counter-force seat 1 on force cell 2 connect.

Claims (5)

1, a kind of two-way electromechanics is made the dynamic formula damper test stand, contain actuating unit, gear train and the topworks that does straight reciprocating motion, and the adjustable counter-force seat (1) that is connected on the support (7) arranged, it is characterized in that: " L " shape support (7) that described support (7) is rigidly connected into for base (10) and column (6), actuating unit, the electromechanical actuator (9) that gear train and topworks are integrated, be provided with one on the support (7) and be used to order about the steering mechanism of electromechanical actuator (9) in the vertical guide rotation, one locking mechanism (8) that is used to lock electromechanical actuator (9) is respectively arranged on base (10) and the column (6), on base (10) and the column (6) an adjustable counter-force seat (1) is installed respectively.
2, a kind of two-way electromechanics according to claim 1 is made the dynamic formula damper test stand, it is characterized in that: described steering mechanism constitutes: there is the rotating shaft (29) of a pair of symmetry electromechanical actuator (9) body both sides, this rotating shaft is installed on the support bearing seat (12), a fan-shaped gear wheel (20) is equipped with in rotating shaft (29) end, this fan-shaped gear wheel (20) and a pinion wheel (21) engagement, the pinion shaft (33) of this pinion wheel (21) is bearing on the support (7) by bearing, and handwheel (5) is installed in pinion shaft (33) outer end.
3, a kind of two-way electromechanics according to claim 1 is made the dynamic formula damper test stand, it is characterized in that: the constituting of locking mechanism (8) of described electromechanical actuator (9): there is the positioning tab (26) of a pair of symmetry electromechanical actuator (9) body both sides, on lug (26) end face conical bore is arranged, this conical bore can insert the taper bolt head of register pin (25).
4, a kind of two-way electromechanics according to claim 1 is made the dynamic formula damper test stand, it is characterized in that: the constituting of described adjustable counter-force seat (1): the base plate (27) of adjustable counter-force seat (1) places guide plate (28) top of the guide groove both sides that support (7) is provided with, screw mandrel (11) in the guide groove and the feed screw nut's engagement that is fixed on adjustable counter-force seat (1) base plate (27) below, an end of screw mandrel connects with hand wheel shaft (34) through the bevel gear (32) of pair of meshing.
5, a kind of two-way electromechanics according to claim 4 is made the dynamic formula damper test stand, it is characterized in that: described adjustable counter-force seat (1) is provided with latch mechanism, constituting of this latch mechanism: guide plate (28) below of support (7) is provided with pressing plate (17), pressing plate (17) is tied at depression bar (16) middle part by bearing pin one (15) hinge, on the following lug (30) of adjustable counter-force seat (1) base plate (27), the other end of depression bar (16) connects by the adjustable counter-force seat base plate (27) of bolt (18) with support guide plate (28) top one end of depression bar (16) with bearing pin two (36) hinge knots.
CNB2004100403140A 2004-07-26 2004-07-26 Bi-directional electromechanical actuation type test-bed for damper CN100504336C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100403140A CN100504336C (en) 2004-07-26 2004-07-26 Bi-directional electromechanical actuation type test-bed for damper

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Application Number Priority Date Filing Date Title
CNB2004100403140A CN100504336C (en) 2004-07-26 2004-07-26 Bi-directional electromechanical actuation type test-bed for damper

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CN100504336C true CN100504336C (en) 2009-06-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793613A (en) * 2010-03-11 2010-08-04 浙江工业大学 Vehicle shock absorber test-bed by adopting sine transmission device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101403656B (en) * 2007-12-19 2011-02-16 奇瑞汽车股份有限公司 Double-moving endurance experiment apparatus of vibration damper
CN102519716B (en) * 2011-12-02 2014-06-11 西北工业大学 Test stand for performance of linear electromechanical actuator
CN107966258B (en) * 2016-10-20 2020-03-17 北京精密机电控制设备研究所 Mass attribute simulation device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
油压减振器试验用微机测控系统设计. 程瑞琪,周朔鹏.机电工程,第20卷第6期. 2003
油压减振器试验用微机测控系统设计. 程瑞琪,周朔鹏.机电工程,第20卷第6期. 2003 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793613A (en) * 2010-03-11 2010-08-04 浙江工业大学 Vehicle shock absorber test-bed by adopting sine transmission device
CN101793613B (en) * 2010-03-11 2011-11-09 浙江工业大学 Vehicle shock absorber test-bed by adopting sine transmission device

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