CN205262705U - Transmission of mechanical structure anti vibration performance simulation experiment platform - Google Patents
Transmission of mechanical structure anti vibration performance simulation experiment platform Download PDFInfo
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- CN205262705U CN205262705U CN201620107669.5U CN201620107669U CN205262705U CN 205262705 U CN205262705 U CN 205262705U CN 201620107669 U CN201620107669 U CN 201620107669U CN 205262705 U CN205262705 U CN 205262705U
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Abstract
The utility model discloses a transmission of mechanical structure anti vibration performance simulation experiment platform belongs to the mechanical oscillation testing technique field. Transmission mainly includes excitation mechanism, flexible shaft coupling, gearbox and motor, wherein, excitation mechanism comprises four vibration exciters, and four vibration exciters are respectively through four output shaft s of flexible shaft coupling with the gearbox, corresponding wherein on the gearbox, three output shaft is equipped with the three hand wheel that the output shaft rotated the parameter that is used for adjusting, another output shaft with be equipped with the hold -in range between the output shaft in the three output shaft, the drive shaft of gearbox is passed through the V belt and is connected with the motor. The vibration exciter that adopts among the transmission adopts the welding of whole seamless steel pipe to adopt the oil blanket between the contact surface of blind flange and valve core case, be provided with around bearing inner ring and keep off oil ring, compare in the casting shaping, not only simplified preparation technology, and effectually solved interior hourglass problem.
Description
Technical field
The utility model relates to a kind of transmission device of mechanical structure resistance to shock Simulation Experimental Platform, belongs to machineTool vibration test technical field.
Background technology
Vibration test is the important process that producer ensures product quality, when product export, need pass through mechanicsStructure resistance to shock emulation experiment is carried out various vibration simulation tests to product, to meet the requirement of dispatching from the factory of product.Mechanical structure resistance to shock Simulation Experimental Platform mainly comprises calculation control unit, sensing unit, performance elementForm with mechanical vibration test-bed. Wherein, mechanical vibration test-bed is the core composition portion of whole experiment porchPoint, it is by table top, base, mesa supports mechanism, guiding mechanism, vibrator, transmission device and hydraulic pressure controlInstallation composition processed; Mechanical vibration test-bed when work, by 5-linked synchronized cylinder input hydraulic pressure oil to change transmissionThereby the displacement of vibrator eccentric block produces eccentric force in device, change the vibration amplitude of vibration table. TraditionVibrator is by integral cast moulding, preparation work complexity, and eccentric block is subject to hundreds of kilogram in rotation processCentrifugal force, be with oil pressure control eccentric block in rotary course, because the vibrator of cast molding can not be kept awayThere are pore and sand holes in that exempts from, therefore under the effect of oil pressure, leak in easily producing; In addition the one-tenth of cast molding,Product rate less than 5%, preparation process takes time and effort.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mechanical structure resistance to shock emulation experiment flatThe transmission device of platform.
The purpose of this utility model is realized by following technical scheme:
A transmission device for mechanical structure resistance to shock Simulation Experimental Platform, described transmission device mainly comprisesExciting agency, flexible clutch, gearbox and motor;
Wherein, described exciting agency is made up of four vibrators; Described vibrator mainly comprise end cap, bottom,Cylinder body, offset piston, large stage clip, spool, valve core case and ring flange; Wherein, described cylinder body is that open at two endsWhat put is columnar structured; Radially be processed with two ear seats in same level along its outer circumference surface same,And two ear seats are coaxial with the rotary middle spindle of vibrator; On one of them ear seat, be processed with spool mounting groove andOil-feed tank; On the inwall of described cylinder body one end, be processed with half oil groove, on other end sidewall, be processed with circular hole; DescribedOn ring flange, be processed with oil-feed tank and the groove valve corresponding with valve core case mounting groove; Described spool is hollow knotStructure, and on spool, be processed with the oil outlet corresponding with oil-feed tank on ear seat and with ring flange on oil-feed tankCorresponding fuel feed hole; On the outer circumference surface of described end cap, be processed with the positive stop lug boss that coordinates with vibrator cylinder body andFor the spacing hole of alignment pin is installed; The bottom surface of described end cap is processed with exhaust hole;
Described offset piston is sleeved in cylinder body; Described end cap and bottom are respectively by two open end sealings of cylinder body;Alignment pin, through the circular hole on described cylinder body and end cap sidewall, cooperatively interacts with the boss on end cap sidewall, realNow spacing to offset piston, ensures in the pivot of described vibrator and the quality of vibrator offset pistonThe heart is at a distance of 0.1～0.5mm; Described large stage clip is between end cap and offset piston, and one end and the end of large stage clipCover affixed; The ear seat of described cylinder body is connected with bearing block by bearing, and described bearing block and outside stage body are affixed;Described valve core case is fixed in valve core case mounting groove; Described method pulling plate and bearing block are all connected; Described spool is wornCross valve core case, and one end of spool and ear seat affixed, the other end is sleeved in the groove on ring flange, and cylinderHalf oil groove on body inwall, the oil-feed tank on ear seat, the oil outlet on spool, fuel feed hole, and on ring flangeOil-feed tank connect, form hydraulic oil channel; The ear seat of the described vibrator other end by flexible clutch withExternal motor connects;
Integrated connection closes:
Wherein, described exciting agency is made up of four vibrators, and four vibrators pass through respectively flexible couplingDevice is connected with four output shafts of gearbox; On described gearbox correspondence wherein three output shafts be provided with three useIn the handwheel of regulation output axle rotational parameters; An output in another output shaft and described three output shaftsBetween axle, be provided with Timing Belt; The driving shaft of described gearbox is connected with motor by V-belt.
Further, the material of described cylinder body, end cap and bottom is seamless steel pipe.
Further, between the contact-making surface of described valve core case and described ear seat, adopt the polyurethane adhesive zero of 45 ° of die sinkingsType circle carries out oil sealing.
Further, between the contact-making surface of described blind flange and valve core case, adopt Double-lip framework oil sealing.
Further, described flexible clutch mainly comprises connecting shaft seat and connecting rod; Wherein, described connecting shaft seat isTwo; Described two connecting shaft seats are fixed in respectively on two end faces of connecting rod, and between connecting shaft seat and connecting rodBe provided with the ox-hide pad that thickness is more than or equal to 5mm.
Operation principle:
By regulating the handwheel on gearbox, set four vibrators initial phase, when motor is by threeWhen angle band drives driving shaft, the offset piston rotation of vibrator produces centrifugal force, now, anti-at mechanical structureOn the direction of vibration of the performance simulation experiment porch table top that shakes, change by the sinusoidal rule of the synthetic formation of the phase place of settingExciting force, makes described table top and is arranged on trial target on table top by definite direction vibration.
Beneficial effect
The vibrator adopting in transmission device described in the utility model adopts integral seamless steel-pipe welding, and in methodBetween the contact-making surface of blue lid and valve core case, adopt oil sealing, around bearing inner ring, be provided with oil baffle, compared to wateringType casting moulding, has not only simplified preparation technology, and has effectively solved interior leakage problem.
The yield rate in transmission device preparation technology stage described in the utility model is 100%, has not only saved former materialMaterial, manufacturing cycle shortens greatly, and vibrator total quality is lighter.
Brief description of the drawings
Fig. 1 is the structural representation of transmission device described in the utility model;
Fig. 2 is the structural representation of described vibrator;
Fig. 3 is the structural representation of described flexible clutch;
Wherein, 1-blind flange, 2-valve core case, 3-end cap, the large stage clip of 4-, 5-cylinder body, 6-bearing block, 7-biasPiston, 8-exciting agency, 9-flexible clutch, 10-gearbox, 11-V-belt, 12-motor, 13-handwheel,14-connecting shaft seat, 15-connecting rod, 16-ox-hide pad, 17-Timing Belt.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments in detail the utility model is described in detail, but is not limited to this.
Embodiment 1
As shown in Figure 1, a kind of transmission device of mechanical structure resistance to shock Simulation Experimental Platform, described transmissionDevice mainly comprises exciting agency 8, flexible clutch 9, gearbox 10 and motor 12;
Wherein, as shown in Figure 2, described exciting agency is made up of four vibrators; Described vibrator mainly wrapsDraw together end cap 3, bottom, cylinder body 5, offset piston 7, large stage clip 4, spool, valve core case 2 and ring flange;What described cylinder body 5 was both ends open is columnar structured; Radially be processed with two places along its outer circumference surface sameIn the ear seat of same level, and two ear seats are coaxial with the rotary middle spindle of vibrator; One of them ear seatOn be processed with spool mounting groove and oil-feed tank; On described cylinder body 5 one end inwalls, be processed with half oil groove, the other endOn sidewall, be processed with circular hole; On described ring flange, be processed with oil-feed tank with corresponding with valve core case 2 mounting groovesGroove valve; Described spool is hollow structure, and on spool, is processed with corresponding with oil-feed tank on ear seat fuel-displacedHole and the fuel feed hole corresponding with oil-feed tank on ring flange; On the outer circumference surface of described end cap 3, be processed withThe positive stop lug boss that cylinder body 5 coordinates and for the circular hole of alignment pin is installed; The bottom surface of described end cap 3 is processed with rowVent hole; Wherein, making by seamless steel pipe of described cylinder body 5, end cap 3 and bottom;
Described offset piston 7 is sleeved in cylinder body 5; Described end cap 3 and bottom are opened two of cylinder body 5 respectivelyPut end sealing; Alignment pin is through the circular hole on described cylinder body 5 and end cap 3, and with end cap 3 on limit convexPlatform cooperatively interacts, and controls the displacement of end cap 3 with respect to vibrator, and then realizes eccentric living in vibratorPlug 7 spacing, ensure the pivot of described vibrator and the mass centre of vibrator offset piston 7 apart0.1～0.5mm; Described large stage clip 4 between end cap 3 and offset piston 7, and one end of large stage clip 4 withEnd cap 3 is affixed; The ear seat of described cylinder body 5 is connected with bearing block 6 by bearing, and described bearing block 6 is with outerPortion's stage body is affixed; Described valve core case 2 is fixed in valve core case 2 mounting grooves; Described method pulling plate and bearing block 6All be connected; Described spool is through valve core case 2, and one end of spool and ear seat affixed, the other end is sleeved on flangeIn groove on dish, and half oil groove on cylinder body 5 inwalls, the oil-feed tank on ear seat, oil outlet on spool,Fuel feed hole, and oil-feed tank on ring flange connects, and forms hydraulic oil channel; The ear of the described vibrator other endSeat is connected with external motor 12 by flexible clutch 9.
Integrated connection closes:
Wherein, described exciting agency is made up of four vibrators, and four vibrators pass through respectively flexible couplingDevice 9 is connected with four output shafts of gearbox 10; On described gearbox 10 correspondence wherein three output shafts establishThere are three handwheels 13 for regulation output axle rotational parameters; In another output shaft and described three output shaftsAn output shaft between be provided with Timing Belt 17; The driving shaft of described gearbox 10 is by V-belt 11 and electricityMachine 12 connects.
Further, the material of described cylinder body 5, end cap 3 and bottom is seamless steel pipe.
Further, between the contact-making surface of described valve core case 2 and described ear seat, adopt the polyurethane adhesive of 45 ° of die sinkingsZero type circle carries out oil sealing.
Further, between the contact-making surface of described blind flange 1 and valve core case 2, adopt Double-lip framework oil sealing.
Further, as shown in Figure 3, described flexible clutch 9 mainly comprises connecting shaft seat and connecting rod; Wherein,Described connecting shaft seat 14 is two; Described two connecting shaft seats 14 are fixed in respectively on two end faces of connecting rod 15,And between connecting shaft seat 14 and connecting rod 15, be provided with the ox-hide pad 16 that thickness is more than or equal to 5mm.
The utility model includes but not limited to above embodiment, every under the principle of the utility model spiritAny being equal to of carrying out, replaces or local improvement, all will be considered as within protection domain of the present utility model.
Claims (6)
1. a transmission device for mechanical structure resistance to shock Simulation Experimental Platform, is characterized in that: described biographyMoving device mainly comprises exciting agency (8), flexible clutch (9), gearbox (10) and motor (12);
Wherein, described exciting agency is made up of four vibrators, and four vibrators pass through respectively flexible couplingDevice (9) is connected with four output shafts of gearbox (10); Wherein three of the upper correspondences of described gearbox (10)Output shaft is provided with three handwheels for regulation output axle rotational parameters (13); Another output shaft and described threeBetween an output shaft in individual output shaft, be provided with Timing Belt (17); The driving shaft of described gearbox (10) is logicalCrossing V-belt (11) is connected with motor (12).
2. the transmission of a kind of mechanical structure resistance to shock Simulation Experimental Platform according to claim 1 dressPut, it is characterized in that: described vibrator mainly comprises end cap (3), bottom, cylinder body (5), offset piston(7), large stage clip (4), spool, valve core case (2) and ring flange; Described cylinder body (5) is both ends openColumnar structured; Radially be processed with two ear seats in same level along its outer circumference surface same,And two ear seats are coaxial with the rotary middle spindle of vibrator; On one of them ear seat, be processed with spool mounting groove andOil-feed tank; On the inwall of described cylinder body (5) one end, be processed with half oil groove, on other end sidewall, be processed with circular hole;On described ring flange, be processed with oil-feed tank and the groove valve corresponding with valve core case (2) mounting groove; Described spoolFor hollow structure, and on spool, be processed with the oil outlet corresponding with oil-feed tank on ear seat and with ring flange onFuel feed hole corresponding to oil-feed tank; On the outer circumference surface of described end cap (3), be processed with cylinder body (5) and coordinatePositive stop lug boss and for the circular hole of alignment pin is installed; The bottom surface of described end cap (3) is processed with exhaust hole;Wherein, making by seamless steel pipe of described cylinder body (5), end cap (3) and bottom;
Integrated connection closes:
Described offset piston (7) is sleeved in cylinder body (5); Described end cap (3) and bottom are respectively by cylinder body(5) two open end sealings; Alignment pin passes the circular hole on described cylinder body (5) and end cap (3), and withPositive stop lug boss on end cap (3) cooperatively interacts, and controls the displacement of end cap (3) with respect to vibrator, entersAnd realize spacing to offset piston in vibrator (7), ensure pivot and the vibrator of described vibratorThe mass centre of offset piston (7) is at a distance of 0.1～0.5mm; Described large stage clip (4) be positioned at end cap (3) andBetween offset piston (7), and one end and the end cap (3) of large stage clip (4) are affixed; Described cylinder body (5)Ear seat be connected with bearing block (6) by bearing, described bearing block (6) and outside stage body are affixed; DescribedValve core case (2) is fixed in valve core case (2) mounting groove; Described method pulling plate and bearing block (6) are all connected;Described spool is through valve core case (2), and one end of spool and ear seat affixed, the other end is sleeved on ring flangeGroove in, and half oil groove on cylinder body (5) inwall, the oil-feed tank on ear seat, oil outlet on spool,Fuel feed hole, and oil-feed tank on ring flange connects, and forms hydraulic oil channel.
3. the transmission of a kind of mechanical structure resistance to shock Simulation Experimental Platform according to claim 2 dressPut, it is characterized in that: the material of described cylinder body (5), end cap (3) and bottom is seamless steel pipe.
4. the transmission of a kind of mechanical structure resistance to shock Simulation Experimental Platform according to claim 2 dressPut, it is characterized in that: the poly-ammonia that adopts 45 ° of die sinkings between the contact-making surface of described valve core case (2) and described ear seatEster gum zero type circle carries out oil sealing.
5. the transmission of a kind of mechanical structure resistance to shock Simulation Experimental Platform according to claim 2 dressPut, it is characterized in that: between the contact-making surface of described blind flange (1) and valve core case (2), adopt Double-lip framework oilEnvelope.
6. the transmission of a kind of mechanical structure resistance to shock Simulation Experimental Platform according to claim 1 dressPut, it is characterized in that: described flexible clutch (9) mainly comprises connecting shaft seat and connecting rod; Wherein, described companyAxle bed (14) is two; Described two connecting shaft seats (14) are fixed in respectively two end faces of connecting rod (15)Upper, and between connecting shaft seat (14) and connecting rod (15), be provided with the ox-hide pad (16) that thickness is more than or equal to 5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107669.5U CN205262705U (en) | 2016-02-02 | 2016-02-02 | Transmission of mechanical structure anti vibration performance simulation experiment platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620107669.5U CN205262705U (en) | 2016-02-02 | 2016-02-02 | Transmission of mechanical structure anti vibration performance simulation experiment platform |
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| CN205262705U true CN205262705U (en) | 2016-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716817A (en) * | 2016-02-02 | 2016-06-29 | 北京苏试创博环境可靠性技术有限公司 | Transmission device of mechanical structure anti-vibration performance simulation test platform |
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2016
- 2016-02-02 CN CN201620107669.5U patent/CN205262705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716817A (en) * | 2016-02-02 | 2016-06-29 | 北京苏试创博环境可靠性技术有限公司 | Transmission device of mechanical structure anti-vibration performance simulation test platform |
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