CN102183422A - Locking mechanism and impact tester device having locking mechanism - Google Patents
Locking mechanism and impact tester device having locking mechanism Download PDFInfo
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- CN102183422A CN102183422A CN 201110061733 CN201110061733A CN102183422A CN 102183422 A CN102183422 A CN 102183422A CN 201110061733 CN201110061733 CN 201110061733 CN 201110061733 A CN201110061733 A CN 201110061733A CN 102183422 A CN102183422 A CN 102183422A
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Abstract
The invention discloses a locking mechanism and an impact tester device having the locking mechanism. A servo motor of the locking mechanism is fixedly connected with one end of a screw rod of a screw rod sliding block through a band wheel; both sides of a sliding block of the screw rod sliding block are fixedly connected with pulling mechanisms symmetrically; the bottoms of stand columns and the bottom of a guide column of the impact tester device are fixedly connected with a base; the guide column is positioned between the stand columns; the top parts of the stand columns are fixedly connected with a suspension board; the locking mechanism, a clamping mechanism, an impact mechanism and a buffer mechanism are arranged below the suspension board; a lifting mechanism is arranged between the stand column and the guide column which are adjacent to each other; and the lifting mechanisms are powered by a motor and a speed reducer. By the impact tester device, a friction force during test is reduced greatly; drop test is more stable; the locking mechanism and the clamping mechanism are free and flexible as well as reliable, so the locking mechanism and the clamping mechanism cannot be influenced by an external force at a releasing moment and during dropping; the transverse motion ratio of the tabletop is reduced greatly; meanwhile, impact test having a certain initial speed can be finished.
Description
Technical field
The present invention relates to a kind of latch mechanism and contain the impulse test machine of this latch mechanism, be mainly used in impulsive force measurement and calibration system, simultaneously also can the simulation package piece installing in transportation, be subjected to the influence degree of dropping shock in the cargo handling process.
Background technology
Impact testing machine is mainly used in the simulation package piece installing in transportation, is subjected to the influence degree of dropping shock in the cargo handling process, identifies the impact strength of package and the rationality of package design.Shock table also is widely used in impulsive force measurement and calibration system.Along with the raising of power accuracy of national economic development impact and value area requirement, the further investigation and the development of measurement technology and means have been driven.Traditional impulsive force measurement and calibration system adopts common guidepost guiding and latch mechanism release rate slower, surge waveform is smooth inadequately, the error of shock testing machine pulse waveform is bigger, that tests is repeatable relatively poor, simultaneously, the acceleration amplitude uniformity coefficient of shock testing machine table top also is difficult to satisfy the requirement of metering system.The present invention can satisfy and realizes that surge waveform is smooth, the requirement of the acceleration amplitude good evenness of shock testing machine table top.So far, the domestic impulse test machine that adopts this latch mechanism that yet there are no.
Summary of the invention
Technical matters to be solved by this invention provides a kind of latch mechanism and contains the impulse test machine of this latch mechanism.
The present invention solves the technical scheme that its technical matters takes: its latch mechanism and contain the impulse test machine of this latch mechanism, described latch mechanism comprises servomotor, leading screw slide block and a pair of drawing mechanism, and described servomotor is fixedlyed connected with an end of the leading screw of leading screw slide block by belt wheel; Each fixedlys connected slide block symmetria bilateralis in described leading screw slide block ground with a described drawing mechanism, each described drawing mechanism comprises side plate, suction disc, push rod, shift fork, the shifting fork bar and first electromagnet, described side plate is fixedlyed connected with the slide block on the leading screw slide block, suction disc is fixedlyed connected with side plate, shifting fork bar and side plate are hinged, described shift fork is connected with described shifting fork bar by clutch shaft bearing, the first end of described shift fork fixedly connected with described first electromagnet and described first electromagnet can with described suction disc adhesive, described shift fork is provided with first through hole, described first through hole is between described clutch shaft bearing and described first electromagnet, one end of described push rod runs through described through hole and forms clearance fit with this through hole, described push rod is with spring, and the other end of described push rod is fixedlyed connected with suction disc.
Further, the two ends of the described shifting fork bar of latch mechanism of the present invention are separately installed with second bearing.
Impulse test machine of the present invention not only comprises latch mechanism, also comprises motor, shaft coupling, speed reduction unit, clutch coupling, base, a column, a pair of guidepost, hanging deck, clamp system, beater mechanism, buffer gear and hoisting gear;
The bottom of described column and guidepost fixedly connected with described base and described guidepost between this column; Each fixedlys connected the two ends of described hanging deck with the top of a described column; The below of described hanging deck is fixedly connected with installing plate, and the two ends of the shifting fork bar of described latch mechanism are connected with chute on the described installing plate by described second bearing respectively;
Described clamp system is positioned at the below of described latch mechanism; Described clamp system comprises substrate and joining rod, an end of described joining rod and the second end of described shift fork is complementary and can be clamped by the second end of two described shift forks; The other end of described joining rod and described substrate are hinged; Offer a pair of pilot hole and a pair of pilot hole on the described substrate, this is that symcenter is symmetrically distributed and this is the symcenter symmetrical distribution to pilot hole with the hinged place of described joining rod and substrate to pilot hole with the hinged place of described joining rod and substrate; Described substrate is hinged with a pair of clamping plate that are fixedly connected with second electromagnet; The both sides of described substrate respectively are fixedly connected with a guide runner that has third through-hole, and the inwall of described third through-hole is installed with first hydrostatic bearing, and a described column runs through corresponding first hydrostatic bearing respectively; Described column is with energy-stored spring in its part between hanging deck and guide runner, fixedlys connected with described column or hanging deck in the upper end of described energy-stored spring;
Described beater mechanism is positioned at the below of described clamp system, and described beater mechanism comprises trestle work, the 3rd electromagnet and the impact cover and the impact block that mate mutually; Described the 3rd electromagnet is fixedlyed connected with the impact cover; Described impact cover has a pair of second through hole, the inwall of each second through hole is fixedly connected with second hydrostatic bearing, and described a pair of guidepost runs through corresponding second hydrostatic bearing and pilot hole and described guidepost respectively successively and forms clearance fit with second hydrostatic bearing and pilot hole respectively; Described trestle work is fixedlyed connected with base, and the upper surface of described trestle work is installed with acceleration transducer, and described acceleration transducer is relative with impact block;
Described buffer gear is positioned at the below of described beater mechanism, described buffer gear comprises damping block, cushion pad and the 4th electromagnet, described cushion pad is fixedlyed connected with the upper surface of damping block, described the 4th electromagnet is embedded in described cushion pad and the damping block successively, and the upper surface of described the 4th electromagnet is lower than the upper surface of cushion pad; Described the 4th electromagnet is relative with the 3rd electromagnet;
Respectively be provided with a hoisting gear between adjacent described column and the guidepost; Each described hoisting gear comprises first angle sheave, second angle sheave, the 3rd angle sheave, coil spring and wire rope; Described coil spring, second angle sheave are hinged with described base respectively; Described the 3rd angle sheave and described hanging deck are hinged; Described wire rope is described first angle sheave of pile warp, second angle sheave, the 3rd angle sheave, second angle sheave and coil spring successively, and one of them described pilot hole of described steel wire penetrating, described wire rope has cutting ferrule at its partial fixing between the described pilot hole and second angle sheave;
The electric machine main shaft of described motor is connected with an end of shaft coupling, the other end of shaft coupling is connected with input shaft of speed reducer, the two ends of the output shaft of speed reduction unit are connected with an end of a clutch coupling respectively, and each is connected the other end of each described clutch coupling with first angle sheave of a described hoisting gear;
Described column is provided with embraces circle, and described armful of circle is fixedly connected with bumper ring, and described bumper ring is positioned at the top of embracing circle, and the spacing of the upper edge of described bumper ring and the upper surface of described trestle work is greater than the thickness of described impact cover.
Further, impulse test machine of the present invention is provided with pedestal below described base, between described pedestal and the base air spring is installed.
Compared with prior art, remarkable advantage of the present invention is:
(1) among the present invention between hydrostatic bearing and pillar and the guidepost friction belong to the neat liquid friction, frictional resistance is little, power of motor consumes little, static pressure type guide rail technology has been guaranteed falling test stand friction free free lifting in the sliding scale that limits, do not have the phenomenon of blocking and lagging behind when falling, the transverse movement of table top is than reducing greatly.
When (2) latch mechanism is worked among the present invention, owing to adopt leading screw and driven by servomotor and sliding bearing guiding, the bearing accuracy height, the error of pulse waveform is little, the favorable repeatability of test, simultaneously the drawing structure utilizes lever principle can produce big coupling mechanism force, and that guarantees to test is safe and reliable, and the spacing between the shift fork can be adjusted flexibly according to the test needs, is convenient to satisfy the needs of different initial velocity impulse tests.
(3) anchor clamps adopt unique double acting mode among the present invention, can make clamping plate under the electromagnet effect, produce very big attractive force and repulsive force, electromagnet is as exerting oneself parts, response speed is fast, the security of shock table and the dynamic property of shock table have been improved greatly, this apparatus structure compactness, exquisiteness.
(4) the present invention can realize that common falling test stand finishes the test of free-falling, simultaneously because the power that adopts this energy-storage travelling wave tube of spring to quicken as slide block, and servo step motor can be regulated the pre compressed magnitude that cooperates spring automatically by leading screw, therefore can in certain speed range, realize the test that beater mechanism impacts with certain initial velocity, effect with one-machine-multi-function, satisfy the demand of impulsive force calibrating installation and fall-down test, system is simple and reliable, reduces cost.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of shock table of the present invention.
Fig. 2 is the cross-sectional schematic of latch mechanism of the present invention.
Fig. 3 is the left cross-sectional schematic of latch mechanism among Fig. 2.
Fig. 4 is that intention is analysed and observe on the left side of clamp system among Fig. 1.
Fig. 5 is the synoptic diagram that cuts open of shock table of the present invention.
Fig. 6 is the cross-sectional schematic of hydrostatic bearing among the present invention.
Fig. 7 is the cross-sectional schematic of impact block among the present invention.
Fig. 8 is the cross-sectional schematic of first hydrostatic bearing among the present invention.
Fig. 9 is the cross-sectional schematic of second hydrostatic bearing among the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed elaboration.
Fig. 1 to Fig. 7 shows latch mechanism of the present invention and contains the structure of the impulse test machine of this latch mechanism.Wherein, latch mechanism comprises servomotor 3, leading screw slide block and a pair of drawing mechanism.Servomotor 3 is fixedlyed connected with an end of the leading screw 25 of leading screw slide block by belt wheel 48.As depicted in figs. 1 and 2, each fixedlys connected the and arranged on left and right sides of the slide block 47 in the leading screw slide block with a drawing mechanism, and these two drawing mechanisms are distributed in the left and right side of slide block 47 symmetrically.Among the present invention, each drawing mechanism comprises side plate 26, suction disc 271, push rod 331,332, shift fork 291, the shifting fork bar 461 and first electromagnet 281, side plate 26 is fixedlyed connected with the slide block 47 on the leading screw slide block, suction disc 271 is fixedlyed connected with side plate 26, shifting fork bar 461 is hinged with side plate 26, shift fork 291 is hinged by clutch shaft bearing 301 and shifting fork bar 461, the first end of shift fork 291 fixedly connected with first electromagnet 282 and first electromagnet 281 can with suction disc 271 adhesives, shift fork 291 is provided with first through hole 661,662, first through hole 661,662 between the clutch shaft bearing 301 and first electromagnet 281, one end of push rod 331 runs through first through hole 661 and forms clearance fit with first through hole 661, one end of push rod 332 runs through first through hole 662 and forms clearance fit with first through hole 662, push rod 331 is with spring 321, push rod 332 is with spring 322, push rod 331,332 the other end is fixedlyed connected with suction disc 271 respectively.
As shown in Figure 2, if be separately installed with second bearing 301, second bearing 302 further at the two ends of shifting fork bar 461, then can make when servomotor 3 is just changeing, driving slide block 47 by leading screw 25 moves upward, move upward together thereby drive drawing mechanism, this distance that moves upward can be mated according to the decrement of energy-stored spring 221,222.In motion process, clutch shaft bearing 301,303,305,306 play the guiding role, when drawing mechanism arrives the height of test appointment, first electromagnet 281 electric and with suction disc 271 adhesives, first electromagnet 282 electric and with suction disc 272 adhesives, the second end 681 of drawing this moment mechanism, 682 open simultaneously, when first electromagnet 281, during 282 dead electricity, shift fork 291 is closed under the effect of the spring on the spring on the push rod 331 321 and 332 322, shift fork 292 is closed under the effect of the spring on the spring on the push rod 333 323 and 334 324, and can finish the action of locking this moment.
As Fig. 1 and shown in Figure 5, power section comprises motor 3, shaft coupling 4, speed reduction unit 5, clutch coupling 54,55, base 12, a column 121,122, a pair of guidepost 131,132, hanging deck 23, clamp system, beater mechanism, buffer gear and hoisting gear.The bottom of column 121,122 and guidepost 131,132 fixedly connected with base 12 and guidepost 131,132 between this column 121,122; Each fixedlys connected the two ends of hanging deck 23 with the top of a column; The below of hanging deck 23 is fixedly connected with installing plate 311,312, the two ends of the shifting fork bar 461 of latch mechanism are connected with chute 491 on the installing plate 311 by second bearing 301,302 respectively, motor 3 drives speed reduction unit 5 as proposing power section, can drive and step up mechanism and move up and down, as the leading block of drawing mechanism, second bearing 301,302 can be free to slide in the chute on the installing plate 311 491.
Shown in Fig. 1,3,4,6,8, clamp system is positioned at the below of latch mechanism; Clamp system comprises substrate 40 and joining rod 34, and the second end 681,682 of an end of joining rod 34 and shift fork 291,292 is complementary and can be clamped by the second end of two shift forks; The other end of joining rod 34 and substrate 40 are hinged; Offer a pair of pilot hole 641,642 and a pair of pilot hole 643,644 on the substrate 40, this is that symcenter is symmetrically distributed and this is that symcenter is symmetrically distributed to pilot hole 643,644 with the hinged place of joining rod 34 and substrate 40 to pilot hole 641,642 with the hinged place of joining rod 34 and substrate 40; Substrate 40 is hinged with a pair of clamping plate 411,412 that are fixedly connected with second electromagnet 371,372,373,374, when electromagnet 371,372,373,374 when electric, first clamping plate 411 and 573,574 adhesives of impacting on the cover 38, therefore second clamping plate and 571,572 adhesives that impact puts can finish the action of clamping; The both sides of substrate 40 respectively are fixedly connected with one and have third through-hole 661,662 guide runner 201,202, the inwall of third through-hole 661 is installed with first hydrostatic bearing 211, the inwall of third through-hole 662 is installed with first hydrostatic bearing 212, column 121 runs through first hydrostatic bearing 211, column 122 runs through first hydrostatic bearing 212, the oil of the certain pressure of supplying with when oil supply system is by throttle orifice 431,432,433,434 enter into the rectangular cavity 421 of first hydrostatic bearing 211,422,423,424, and by spill port 541,542 flow back in the process of fuel tank, between the inwall of the column 121 and first hydrostatic bearing 211, form the high pressure oil film, friction between the inwall of the column 121 and first hydrostatic bearing 211 at this moment is the friction between the liquid, and friction force is minimum; In like manner, the oil of the certain pressure of supplying with when oil supply system enters into the rectangular cavity 425,426,427,428 of first hydrostatic bearing 212 by throttle orifice 435,436,437,438, and flow back in the process of fuel tank by spill port 543,544, between the inwall of the column 122 and first hydrostatic bearing 212, form the high pressure oil film, friction between the inwall of the column 122 and first hydrostatic bearing 212 at this moment is the friction between the liquid, and friction force is minimum; Column 121 is with energy-stored spring 221 in its part between hanging deck 23 and guide runner 201, column 122 is with energy-stored spring 222 in its part between hanging deck 23 and guide runner 202, fixedly connected with column 121 or hanging deck 23 in the upper end of energy-stored spring 221, fixedly connected with column 122 or hanging deck 23 in the upper end of energy-stored spring 222, when impulse test need be carried out with certain initial velocity, can pass through compressed energy-storage spring 221,222, when treating that latch mechanism discharges drawing mechanism, elastic potential energy just can be converted into the kinetic energy of beater mechanism, thereby realizes acceleration shock.
Shown in Fig. 1,6,7,9, beater mechanism is positioned at the below of clamp system, impact cover 38 and impact block 35 that beater mechanism comprises trestle work 17, the 3rd electromagnet 361,362,363,364 and mates mutually; The 3rd electromagnet 361,363 is fixedlyed connected with first buffer board 531, and 362,364 fixedly connected with second buffer board 532 respectively, and first buffer board 531, second buffer board 532 respectively with impact cover 38 and fixedly connected; Impact cover 38 and have a pair of second through hole 511,512, the inwall of second through hole 511 is fixedly connected with second hydrostatic bearing 391, the inwall of second through hole 512 is fixedly connected with second hydrostatic bearing 392, guidepost 131 runs through corresponding second hydrostatic bearing 391 and pilot hole 641 and guidepost 131 respectively successively and forms clearance fit with second hydrostatic bearing 391 and pilot hole 641 respectively, guidepost 132 runs through corresponding second hydrostatic bearing 392 and pilot hole 642 and guidepost 132 respectively successively and forms clearance fit with second hydrostatic bearing 392 and pilot hole 642 respectively, the oil of the certain pressure of supplying with when system is by throttle orifice 451,452 enter into the rectangular cavity 441 of second hydrostatic bearing 391,442, and flow back into by spill port in the process of fuel tank, between the inwall of the guidepost 131 and second hydrostatic bearing 391, form the high pressure oil film, friction between the guidepost 121 and second hydrostatic bearing 391 at this moment is the friction between the liquid, friction force is minimum, in like manner, the oil of the certain pressure of supplying with when system is by throttle orifice 453,454 enter into the rectangular cavity 443 of second hydrostatic bearing 392,444, and flow back into by spill port in the process of fuel tank, between the inwall of the guidepost 132 and second hydrostatic bearing 392, form the high pressure oil film, friction between the inwall of the guidepost 132 and second hydrostatic bearing 392 at this moment is the friction between the liquid, and friction force is minimum; Trestle work 17 is fixedlyed connected with base 12, and the upper surface of trestle work 17 is installed with acceleration transducer, and acceleration transducer is relative with impact block 35, and when impulse test was carried out, the central area and the acceleration transducer of impact block lower end collided.
As Fig. 1,5, shown in 7, buffer gear is positioned at the below of beater mechanism, buffer gear comprises damping block 141,142,143,144, cushion pad 151,152,153, the 154 and the 4th electromagnet 161,162,163,164, cushion pad 151 is fixedlyed connected with the upper surface of damping block 141, cushion pad 152 is fixedlyed connected with the upper surface of damping block 142, cushion pad 153 is fixedlyed connected with the upper surface of damping block 143, cushion pad 154 is fixedlyed connected with the upper surface of damping block 144, the 4th electromagnet 161 is embedded in cushion pad 151 and the damping block 141 successively, the 4th electromagnet 162 is embedded in cushion pad 152 and the damping block 142 successively, the 4th electromagnet 163 is embedded in cushion pad 153 and the damping block 143 successively, the 4th electromagnet 164 is embedded in cushion pad 154 and the damping block 144 successively, and the upper surface of the 4th electromagnet is lower than the upper surface of cushion pad; The 4th electromagnet 161 is relative with the 3rd electromagnet 361, the 4th electromagnet 162 is relative with the 3rd electromagnet 362, the 4th electromagnet 163 is relative with the 3rd electromagnet 363, the 4th electromagnet 164 is relative with the 3rd electromagnet 364, when impulse test takes place, impact block at first with trestle work 17 on acceleration transducer collision, in order to prevent secondary impact, at this moment, the 3rd electromagnet on the impact cover 38 and the 4th electromagnet in the buffer gear produce attractive force in moment, stop impact cover 38 to move upward, thereby can prevent the generation of secondary rebounce ripple.
As shown in Figure 1, be provided with a hoisting gear between adjacent column 121 and the guidepost 131, this hoisting gear comprises first angle sheave 61, second angle sheave 91, the 3rd angle sheave 93, first volume spring 111 and first wire rope 101; Be provided with a hoisting gear between adjacent column 122 and the guidepost 132 too, this hoisting gear comprises first angle sheave 62, second angle sheave 92, the 3rd angle sheave 94, second coil spring 112 and second wire rope 102; First volume spring 111, second angle sheave 91 are hinged with base 12 by first spring base 81 respectively, and second coil spring 112, second angle sheave 92 are hinged with base 12 by second spring base 82 respectively; The 3rd angle sheave 93 is 23 hinged by pulley mount pad 421 and hanging deck, the 3rd angle sheave 94 is hinged by pulley mount pad 422 and hanging deck 23; First wire rope 101 is pile warp first angle sheave 61, second angle sheave 91, the 3rd angle sheave 93, second angle sheave 91 and first volume spring 111 successively, and first wire rope 101 passes one of them pilot hole 643, the first wire rope 101 has cutting ferrule 671 at its partial fixing between the pilot hole 643 and second angle sheave 91; Second wire rope 102 is pile warp first angle sheave 62 successively, second angle sheave 92, the 3rd angle sheave 94, second angle sheave 92 and second coil spring 112, and second wire rope 102 passes one of them pilot hole 644, second wire rope 102 has cutting ferrule 672 at its partial fixing between the pilot hole 644 and second angle sheave 92, when impulse test begins, motor 3 is just changeing, clamp system drives beater mechanism and rises, when arriving the test assigned address, latch mechanism locks clamp system, motor counter-rotating this moment, discharge wire rope 101,102, after treating that motor 3 stops, at coil spring 111, pack up wire rope 101 under 112 the effect, 102, treat that test connection connects after, just can discharge latch mechanism, finish the one-shot test.
Shown in Fig. 1 and 5, the main shaft 31 of motor 3 is connected with an end of shaft coupling 4, the other end of shaft coupling 4 is connected with the input shaft 51 of speed reduction unit 5, the output shaft 52 of speed reduction unit is connected with end clutch coupling 54, and the other end of clutch coupling 54 is connected with first angle sheave 61 of first hoisting gear; The output shaft 53 of speed reduction unit be connected with end clutch coupling 55, the other end of clutch coupling 55 is connected with first angle sheave 62 of second hoisting gear, column 121 is provided with embraces circle 181,182, embrace on the circle 181,182 and be fixedly connected with bumper ring 191, bumper ring 191 is positioned at the top of embracing circle 181,182, and the spacing of the upper surface of the upper edge of bumper ring 191 and trestle work 17 is greater than the thickness that impacts cover 38; Column 122 is provided with embraces circle 183,184, embrace on the circle 183,184 and be fixedly connected with bumper ring 192, bumper ring 192 is positioned at the top of embracing circle 183,184, the spacing of the upper surface of the upper edge of bumper ring 192 and trestle work 17 is greater than the thickness that impacts cover 38, impacting generation in a flash, bumper ring 191,192 can cushion the guide runner 201,202 of clamp system.
As preferred version of the present invention, can further below base 12, be provided with pedestal 11, air spring 21,22,23,24 is installed between pedestal 11 and the base 12, this air spring can reduce the influence of impact shock to surrounding environment.The present invention is owing to adopt hydrostatic bearing as guiding, therefore the friction of process of the test reduces greatly, fall-down test is more steady, releasing mechanism and clamp mechanism freedom and flexibility, reliable, guaranteed in discharging moment and falling process, not influenced by external force, this device can be finished the impulse test of certain initial velocity simultaneously, the present invention is simple in structure, and is safe and reliable, can satisfy the demand of impulsive force calibrating installation and fall-down test.
Claims (4)
1. latch mechanism is characterized in that: comprise servomotor, leading screw slide block and a pair of drawing mechanism, described servomotor is fixedlyed connected with an end of the leading screw of leading screw slide block by belt wheel; Each fixedlys connected the symmetria bilateralis of the slide block in described leading screw slide block ground with a described drawing mechanism, each described drawing mechanism comprises side plate, suction disc, push rod, shift fork, the shifting fork bar and first electromagnet, described side plate is fixedlyed connected with the slide block on the leading screw slide block, suction disc is fixedlyed connected with side plate, shifting fork bar and side plate are hinged, described shift fork is connected with described shifting fork bar by clutch shaft bearing, the first end of described shift fork fixedly connected with described first electromagnet and described first electromagnet can with described suction disc adhesive, described shift fork is provided with first through hole, described first through hole is between described clutch shaft bearing and described first electromagnet, one end of described push rod runs through described through hole and forms clearance fit with this through hole, described push rod is with spring, and the other end of described push rod is fixedlyed connected with suction disc.
2. latch mechanism according to claim 1 is characterized in that: the two ends of described shifting fork bar are separately installed with second bearing.
3. an impulse test machine that contains the latch mechanism of claim 2 is characterized in that: also comprise motor, shaft coupling, speed reduction unit, clutch coupling, base, a column, a pair of guidepost, hanging deck, clamp system, beater mechanism, buffer gear and hoisting gear;
The bottom of described column and guidepost fixedly connected with described base and described guidepost between this column; Each fixedlys connected the two ends of described hanging deck with the top of a described column; The below of described hanging deck is fixedly connected with installing plate, and the two ends of the shifting fork bar of described latch mechanism are connected with chute on the described installing plate by described second bearing respectively;
Described clamp system is positioned at the below of described latch mechanism; Described clamp system comprises substrate and joining rod, an end of described joining rod and the second end of described shift fork is complementary and can be clamped by the second end of two described shift forks; The other end of described joining rod and described substrate are hinged; Offer a pair of pilot hole and a pair of pilot hole on the described substrate, this is that symcenter is symmetrically distributed and this is the symcenter symmetrical distribution to pilot hole with the hinged place of described joining rod and substrate to pilot hole with the hinged place of described joining rod and substrate; Described substrate is hinged with a pair of clamping plate that are fixedly connected with second electromagnet; The both sides of described substrate respectively are fixedly connected with a guide runner that has third through-hole, and the inwall of described third through-hole is installed with first hydrostatic bearing, and a described column runs through corresponding first hydrostatic bearing respectively; Described column is with energy-stored spring in its part between hanging deck and guide runner, fixedlys connected with described column or hanging deck in the upper end of described energy-stored spring;
Described beater mechanism is positioned at the below of described clamp system, and described beater mechanism comprises trestle work, the 3rd electromagnet and the impact cover and the impact block that mate mutually; Described the 3rd electromagnet is fixedlyed connected with the impact cover; Described impact cover has a pair of second through hole, the inwall of each second through hole is fixedly connected with second hydrostatic bearing, and described a pair of guidepost runs through corresponding second hydrostatic bearing and pilot hole and described guidepost respectively successively and forms clearance fit with second hydrostatic bearing and pilot hole respectively; Described trestle work is fixedlyed connected with base, and the upper surface of described trestle work is installed with acceleration transducer, and described acceleration transducer is relative with impact block;
Described buffer gear is positioned at the below of described beater mechanism, described buffer gear comprises damping block, cushion pad and the 4th electromagnet, described cushion pad is fixedlyed connected with the upper surface of damping block, described the 4th electromagnet is embedded in described cushion pad and the damping block successively, and the upper surface of described the 4th electromagnet is lower than the upper surface of cushion pad; Described the 4th electromagnet is relative with the 3rd electromagnet;
Respectively be provided with a hoisting gear between adjacent described column and the guidepost; Each described hoisting gear comprises first angle sheave, second angle sheave, the 3rd angle sheave, coil spring and wire rope; Described coil spring, second angle sheave are hinged with described base respectively; Described the 3rd angle sheave and described hanging deck are hinged; Described wire rope is described first angle sheave of pile warp, second angle sheave, the 3rd angle sheave, second angle sheave and coil spring successively, and one of them described pilot hole of described steel wire penetrating, described wire rope has cutting ferrule at its partial fixing between the described pilot hole and second angle sheave;
The electric machine main shaft of described motor is connected with an end of shaft coupling, the other end of shaft coupling is connected with input shaft of speed reducer, the two ends of the output shaft of speed reduction unit are connected with an end of a clutch coupling respectively, and each is connected the other end of each described clutch coupling with first angle sheave of a described hoisting gear;
Described column is provided with embraces circle, and described armful of circle is fixedly connected with bumper ring, and described bumper ring is positioned at the top of embracing circle, and the spacing of the upper edge of described bumper ring and the upper surface of described trestle work is greater than the thickness of described impact cover.
4. impulse test machine according to claim 3 is characterized in that: be provided with pedestal below described base, between described pedestal and the base air spring be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061733 CN102183422B (en) | 2011-03-15 | 2011-03-15 | Locking mechanism and impact tester device having locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061733 CN102183422B (en) | 2011-03-15 | 2011-03-15 | Locking mechanism and impact tester device having locking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN102183422A true CN102183422A (en) | 2011-09-14 |
| CN102183422B CN102183422B (en) | 2013-01-09 |
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| CN 201110061733 Expired - Fee Related CN102183422B (en) | 2011-03-15 | 2011-03-15 | Locking mechanism and impact tester device having locking mechanism |
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| CN103344393B (en) * | 2013-06-08 | 2015-08-19 | 天津大学 | A kind of experimental provision of falling bodies slamming experiment |
| CN105891019A (en) * | 2015-08-13 | 2016-08-24 | 内蒙古工业大学 | Automatic ball pressure impacter |
| CN106320717A (en) * | 2016-08-29 | 2017-01-11 | 镇海建设集团有限公司 | Lifting device for building engineering |
| CN106918503A (en) * | 2017-03-22 | 2017-07-04 | 天津工业大学 | A kind of drop fixture design and manufacture method of non-single impact position point |
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| CN109374461A (en) * | 2018-11-05 | 2019-02-22 | 江西省美满生活用品有限公司 | A kind of wearability test device of baby paper diaper |
| CN109406022A (en) * | 2018-05-25 | 2019-03-01 | 苏州博之盾防护技术有限公司 | A kind of shank force test device of simulated explosion impact |
| CN110108565A (en) * | 2019-06-05 | 2019-08-09 | 长春浩园试验机有限公司 | High frequency composite electron universal testing machine |
| CN110513377A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Locking device and impact device |
| CN112098030A (en) * | 2019-06-17 | 2020-12-18 | 中国电力科学研究院有限公司 | Electromagnetic type load sudden release device |
| CN113237627A (en) * | 2021-06-08 | 2021-08-10 | 沈阳工业大学 | Double-wave impact amplifier |
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| CN109374461A (en) * | 2018-11-05 | 2019-02-22 | 江西省美满生活用品有限公司 | A kind of wearability test device of baby paper diaper |
| CN109282958A (en) * | 2018-11-19 | 2019-01-29 | 镇江华飞检测技术有限公司 | A kind of luggage jerk testing machine |
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| CN110108565A (en) * | 2019-06-05 | 2019-08-09 | 长春浩园试验机有限公司 | High frequency composite electron universal testing machine |
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| CN112098030A (en) * | 2019-06-17 | 2020-12-18 | 中国电力科学研究院有限公司 | Electromagnetic type load sudden release device |
| CN110513377A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Locking device and impact device |
| CN113237627A (en) * | 2021-06-08 | 2021-08-10 | 沈阳工业大学 | Double-wave impact amplifier |
| CN113237627B (en) * | 2021-06-08 | 2023-04-25 | 沈阳工业大学 | Dual-wave impact amplifier |
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