CN103162794A - Vibration testing machine - Google Patents

Vibration testing machine Download PDF

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Publication number
CN103162794A
CN103162794A CN2011104082399A CN201110408239A CN103162794A CN 103162794 A CN103162794 A CN 103162794A CN 2011104082399 A CN2011104082399 A CN 2011104082399A CN 201110408239 A CN201110408239 A CN 201110408239A CN 103162794 A CN103162794 A CN 103162794A
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CN
China
Prior art keywords
base
testing machine
hole
frock
vibration testing
Prior art date
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CN2011104082399A
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Chinese (zh)
Inventor
沈皓然
Original Assignee
苏州工业园区高登威科技有限公司
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Priority to CN2011104082399A priority Critical patent/CN103162794A/en
Publication of CN103162794A publication Critical patent/CN103162794A/en

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Abstract

The invention provides a vibration testing machine which is used for testing a workpiece. The workpiece comprises a sliding block and a sliding plate. The vibration testing machine comprises a tool which fixes the sliding plate, a third basic portion which fixes the tool, a second basic portion which bears the third basic portion, a first pressure imposing device which imposes pressure on the workpiece, a driving device which drives the sliding block to slide, a second pressure imposing device which imposes certain force on the sliding block and an acceleration sensor which is arranged below the workpiece. The third basic portion comprises two basic platforms and a connecting plate which is connected with the basic platforms, and the connecting plate is provided with a tool casting die and a supporting piece. Due to the fact that adhesion between the tool and the connecting plate is ensured through the tool casting die and the supporting piece, sliding of the tool is avoided and test accuracy is improved.

Description

Vibration testing machine

Technical field

The present invention relates to the plant equipment field, relate in particular to a kind of vibration testing machine.

Background technology

Along with the fast development of Chinese Automobile Industry, the auto parts machinery industry of China has incorporated the international market, and increasing transregional company manufactures the center to China as a global auto parts machinery.And the technology content of domestic automobile chair slide rail, product quality are very different, have restricted to a certain extent the development in market.

The automobile chair slide rail is one of major function of automobile chair, and is due to the fast development of automobile chair in recent years, also more and more higher to the requirement of automobile chair functor.The stability of how to test its function has been an extremely urgent problem.

The stability of vibration testing machine test seat slide in sliding process, existing slide rail vibration testing machine, its location is inaccurate, can't guarantee the degree of fitting tightly of slide rail workpiece and frock, the calculating standard is also indefinite, can't specifically test its vibration detailed data, and test function is incomplete yet simultaneously, can only test the vibration on single direction, and efficient is not high.

In view of this, be necessary existing vibration testing machine is improved, to address the above problem.

Summary of the invention

The object of the present invention is to provide a kind of vibration testing machine, apply to test slide rail, it can accurately test the Vibration Condition of slide rail, and method is simple, and can test it at the Vibration Condition of heeling condition glidepath, and greatly promoted the degree of accuracy of slide rail test, guaranteed quality and the efficient of slide rail.

for achieving the above object, a kind of vibration testing machine of the present invention, be used for workpiece is tested, described workpiece comprises slide block and slide plate, described vibration testing machine comprises the frock of fixing described slide plate, the 3rd base portion of fixing described frock, the second base portion of described the 3rd base portion of support, the first device for exerting that described workpiece is exerted pressure, drive the drive unit that described slide block slides, the acceleration transducer that described slide block is applied the second device for exerting of specified pressure and is arranged at described workpiece below, described the 3rd base portion comprises two base stations and the web joint that is connected described base station, described web joint is provided with frock casting die and supporter.

As a further improvement on the present invention, described supporter one end is fixed on described web joint, the described frock of other end conflict.

As a further improvement on the present invention, described supporter is provided with the 6th through hole.

As a further improvement on the present invention, be provided with screw thread in described the 6th through hole.

As a further improvement on the present invention, described frock casting die be screwed in the 6th through hole with control described frock and described web joint between distance and degree of tightness.

Compared with prior art, the invention has the beneficial effects as follows: guarantee the applying of frock and web joint by frock casting die and supporter, avoid the slip of frock, improve the degree of accuracy of test.

Description of drawings

Fig. 1 is the general illustration of vibration testing machine of the present invention;

Fig. 2 is the workpiece of vibration testing machine of the present invention and the schematic diagram of frock;

Fig. 3 is the schematic diagram of the first support portion of vibration testing machine of the present invention;

Fig. 4 is the schematic diagram on the other direction of the first support portion of vibration testing machine of the present invention;

Fig. 5 is the schematic diagram of the second support portion of vibration testing machine of the present invention;

Fig. 6 is the schematic diagram on the other direction of the second support portion of vibration testing machine of the present invention;

Fig. 7 is the schematic diagram of the base portion of vibration testing machine of the present invention;

Fig. 8 is the first base portion of vibration testing machine of the present invention and the schematic diagram of the second base portion;

Fig. 9 is the schematic diagram of the steering component of vibration testing machine of the present invention;

Figure 10 is the schematic diagram of the gland of vibration testing machine of the present invention;

Figure 11 is the schematic diagram of the fixed head of vibration testing machine of the present invention;

Figure 12 is the schematic diagram of the supporter of vibration testing machine of the present invention;

Figure 13 is the schematic diagram of the first device for exerting of vibration testing machine of the present invention;

Figure 14 is the schematic diagram of the lower pressure arm of vibration testing machine of the present invention;

Figure 15 is the schematic diagram of the second device for exerting of vibration testing machine of the present invention;

Figure 16 is the schematic diagram of the pressing piece of vibration testing machine of the present invention;

Figure 17 is the schematic diagram of the compression arm of vibration testing machine of the present invention;

Figure 18 is the schematic diagram of the guiding walls of vibration testing machine of the present invention;

Figure 19 is the schematic diagram of the traction piece of vibration testing machine of the present invention;

Figure 20 is the schematic diagram of the copper sheet of vibration testing machine of the present invention.

Embodiment

Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiments, method or function all is included in protection scope of the present invention.

As Fig. 1-shown in Figure 20, a kind of vibration testing machine 100, the Vibration Condition that is used for test piece 2, described vibration testing machine 100 comprise the frock 3 for support workpiece 2, the base portion 4 that is connected with described frock 3, described workpiece 2 are played acceleration transducer 7 and the drive unit 8 of the first device for exerting 5 of the effect of pressing and the second device for exerting 6, test piece 2.

As depicted in figs. 1 and 2, described workpiece 2 comprises U-shaped slide plate 21 and is arranged at the interior slide block 22 of described slide plate 21, driving described slide block 22 by drive unit 8 slidably reciprocates within slide plate 21, the side that described slide plate 21 is connected with frock 3 is provided with the first auxiliary section 211 and the second auxiliary section 212, is used for being fixed with described frock 3.Described slide block 22 slidably reciprocates on slide plate 21 and gets back to original position is a cycle.The centre position of described slide plate 21 belows is provided with acceleration transducer 7, acceleration on all directions of described acceleration transducer 7 test piece 2 within a cycle, with the numerical curve of the acceleration of workpiece 2 in the drafting cycle, whether qualified to recently determining this workpiece 2 with standard value.Described workpiece 2 is parts to be tested, and other different shape styles can be arranged, and is not limited to workpiece shown in Figure 2.

As shown in Figure 2, described frock 3 comprises a rectangular base 31 that is provided with rectangular aperture, be arranged at the first support portion 32 and the second support portion 33 on described base 31 and be arranged at described base two ends lift hand 34, described the first support portion 32, the second support portion 33 and lift the same side that hand 34 is arranged at described base 31.Described the first support portion 32 as shown in Figure 3 and Figure 4, the first support portion 32 is rectangular parallelepiped, contact with described workpiece 2 groove 321 that an end is provided with perforation, in order to engage described the first auxiliary section 211, an end that contacts with described base 31 is provided with some the first depressed parts 322, coordinate with hole on described base 31 by described the first depressed part 322, with screw, described the first support portion 32 is fixed together with base 31.Described the second support portion 33 as shown in Figure 5 and Figure 6, described the second support portion 33 roughly is rectangular parallelepiped, the one side that contacts with described workpiece 2 is provided with a boss 331 and the platform 332 that is connected with described boss 331, described platform 332 belows are provided with the first through hole 333, described workpiece 2 is positioned on described boss 331 and does not contact platform 332, and described the second auxiliary section 212 is fixed with described the first through hole 333.The end that described the second support portion 33 contacts with base 31 is provided with some the second depressed parts 334, coordinates with hole on described base 31 by described the second depressed part 334, with screw, described the second support portion 33 is fixed together with base 31.Described the first support portion 32 and the second support portion 33 are screwed on described base, both firm, can replace again, simultaneously, base arranges different holes, can make the first support portion 32 and the second support portion 33 be arranged at different positions according to different needs pairing the first depressed part 322, the second depressed part 334 and hole, thereby reach the purpose of adaptive different workpiece.The structure of described base 31, the first support portion 32 and the second support portion 33, simple in structure stable again.The described two ends that hand 34 is symmetricly set in described base 31, the described frock 3 of convenient carrying of lifting.The described hand 34 that lifts comprises two columns 341 that are fixedly connected with described base 31 and the connecting portion 342 that is connected two columns 341.The coupling part of described column 341 and described connecting portion 342 is curved, and described connecting portion 342 is U-shaped and tilts to base 31 outsides, avoids and the contacting of workpiece 2, and facilitates people's grasped.Simultaneously, the described every part that lifts hand 34 is all cylindrical shape, more is conducive to contact with staff, and enlarge active surface makes people easilyer must mention frock 3.Wherein, one jiao, described base 31 rectangle is provided with spacing hole 311, and another angle of diagonal is provided with described spacing hole 311 equally, be altogether two, 311 1 of described two spacing holes are that one, rhombus is circle, the position of described circular spacing hole and rhombus spacing hole can not be exchanged, described spacing hole 311 is nested with base portion 4 corresponding matching, prevent the movement on described frock 3 horizontal directions, the mistake proofing effect is arranged simultaneously, avoid frock 3 error of the installation in exchanging process for base portion 4, indirectly reduced the time of test.

As shown in Figure 7 and Figure 8, described base portion 4 comprises and is positioned at the first fixing base portion 41 of the bottom and board (indicating), is arranged at the second base portion 42 on described the first base portion 41, is arranged at the 3rd base portion 43 on described the second base portion 42.Described the first base portion 41, the second base portion 42 and the 3rd base portion 43 are all that rectangle, centre have the size of rectangular aperture and described the first base portion 41, the second base portion 42 and the 3rd base portion 43 also to reduce gradually.Described the first base portion 41 is provided with some holes, and described the first base portion 41 is fixed on board by screw and hole.Described the second base portion 42 also is provided with some holes, coordinates with hole on the first base portion 41, then makes described the second base portion 42 be fixed in described the first base portion 41 by screw.Described the second base portion 42 comprises some support members 421 of being fixed on described the second base portion 42, be fixed in described the second base portion 42 central authorities steering component 422, adjust cylinder 423 and retaining element 424.The number of described support member 421 is four, is arranged side by side in twos in described the second base portion 42 two ends, plays the effect of support the 3rd base portion.Described support member 421 comprises the fixed part 4211 that is connected and fixed with the second base portion 42 and the rubber parts 4212 that plays buffer action.Described rubber parts 4212 the 3rd base portion 43 that directly deducts plays buffer action to the 3rd base portion 43 on the one hand, plays again on the other hand the shock-absorbing effect, prevents that the vibration of board is on the impact of test result.

Described steering component 422 as shown in Figure 9, described steering component 422 comprise a pedestal 4221 that is fixed in described the second base portion 42, with the fixing retaining piece 4222 of the 3rd base portion 43 and the rotating shaft 4223 that is connected described pedestal 4221 and retaining piece 4222.Described pedestal 4221 is U-shaped, comprises biside plate (not indicating) and a base plate (not indicating), and base plate is provided with hole, is screwed on the second base portion 42, and side plate is provided with the second through hole 4224 of two correspondences.Described retaining piece 4222 is T-shaped, and the middle part is provided with third through-hole 4225, and described retaining piece 4222 tops are provided with hole, are screwed on the 3rd base portion 43.Described rotating shaft 4223 runs through two the second through holes 4224 and third through-hole 4225, because pedestal 4221 is fixing, retaining piece 4222 and the 3rd base portion 43 are fixing, and the 3rd base portion 43 can rotate centered by rotating shaft 4223.

As shown in Figure 8, described adjustment cylinder 423 is fixed on board, and is arranged among the opening of described the first base portion 41 and the second base portion 42 perforations, and the 3rd base portion 43 of directly conflicting.By the effect of described adjustment cylinder 423, make the 3rd base portion 43 can be horizontal 0 ° ,+4.5 ° and-4.5 ° of three positions.Certainly, can be adjusted into other angles by setting.Described adjustment cylinder 423 is well known to those skilled in the art, and does not do at this and gives unnecessary details.

As shown in Figure 7 and Figure 8, described retaining element 424 comprises fixed cylinder 4244, the gland 4241 controlled by described fixed cylinder 4244, is arranged at the fixture 4242 of the 3rd base portion 43, the fixed head 4243 that is connected with fixture 4242.Described fixed cylinder 4244 is arranged on described the second base portion 42.

As shown in figure 10, gland 4241 is bullet shape, comprises the cylindrical body 4241-1 of section, the guidance part 4241-2 that is connected with described body 4241-1 and the connecting portion 4241-3 that connects the body 4241-1 other end.Described guidance part 4241-2 is the cambered surface taper, can play guide function.Described body 4241-1 is provided with location division 4241-11, and with fixed cylinder 4244 fixedly the time, described location division 4241-11 plays positioning action when described gland 4241.Described connecting portion 4241-3 is cylindrical, inserts fixed cylinder inner, and described connecting portion 4241-3 is provided with fourth hole 4241-31, and described gland 4241 is fixing by fourth hole 4241-31 and fixed cylinder 4244.

As Fig. 7 and shown in Figure 11, fixed head 4243 is fixing by fixture 4242, is synchronized with the movement with the 3rd base portion 43.Described fixed head 4243 is provided with the fifth hole 4243-1 of three oblique arrangement, also is provided with some the 3rd depressed part 4243-2 in fixed head 4,243 one sides, and is fixing by structure and the described fixture 4242 of screw and the 3rd depressed part 4243-2.Described three fifth hole 4243-1, are and tilt to arrange from a side that is provided with the 3rd depressed part 4243-2 with the distance of gradual change.Be provided with the guiding face 4243-11 to lopsidedness in the through hole of described fifth hole 4243-1, described guiding face 4243-11 and guidance part 4241-2 cooperatively interact, and make gland 4241 can import swimmingly fifth hole 4243-1 inner.

As shown in Figure 7 and Figure 8, described steering component 422, adjustment cylinder 423 and retaining element 424 have consisted of an angular adjustment apparatus jointly.Described angular adjustment apparatus carries out the adjustment of special angle to the 3rd base portion 43.The 3rd base portion 43 under 424 pairs of special angles of described retaining element is fixed.When the 3rd base portion 43 is horizontal 0 °, the retaining piece 4222 of steering component 422 also is horizontal, that adjusts that cylinder 423 receives this moment is designated as 0 °, in one of the centre through hole of fixed cylinder 4244 with the fifth hole 4243-1 of gland 4241 insertion fixed heads 4243, keep the level of the 3rd base portion 43 to fix with this.When being designated as of adjusting that cylinder 423 receives+4.5 °, adjusting cylinder 423 makes the 3rd base portion 43 be inclined upwardly with the end that adjustment cylinder 423 contacts by effect, the retaining piece 4222 that drives steering component 422 also tilts, and fixed cylinder 4244 runnings of retaining element 424 make gland 4241 out import again the nethermost through hole of fifth hole 4243-1 from original through hole.When adjust that cylinder 423 receives be designated as-4.5 ° the time, adjusting cylinder 423 makes the 3rd base portion 43 downward-sloping with the end that adjustment cylinder 423 contacts by effect, the retaining piece 4222 that drives steering component 422 also tilts, and fixed cylinder 4244 runnings of retaining element 424 make gland 4241 out import again the uppermost through hole of fifth hole 4243-1 from an original through hole.So, by adjusting the effect of cylinder 423, retaining element 424 and steering component 422, the 3rd base portion 43 can according to test need to carry out 0 ° of horizontal direction ,+adjustment on 4.5 ° of directions and-4.5 ° of directions.So, increased the state of test, can test the performance of slide rail better.Certainly, in other embodiments, can adjust the angle that tilts as required, can be other angles arbitrarily, can reach this purpose as long as adjustment cylinder 424 is just adjusted.

As shown in Figure 7, the opening of the 3rd base portion 43 central authorities is less than the opening of the second base portion 42 central authorities, makes to adjust can conflict the 3rd base portion 43 and to its effect of cylinder 423.Described the 3rd base portion 43 also is provided with two base stations 431 side by side, and described two base stations 431 link together by web joint 432, support frock 3 on described web joint 432.Described web joint 432 separates setting with frock 3, has jointly consisted of quick replacement device, makes different frocks freely to exchange for.Described web joint 432 central authorities are provided with an opening, and an acceleration transducer 7 stretches out by the opening of web joint 432 and the opening of frock 3.The acceleration information of the described acceleration transducer 7 described slide blocks 22 of test under different angles.Web joint 432 opening both sides also are provided with in some the 6th through hole 4321, the six through holes 4321 and are provided with pressure transducer, and described the 6th through hole 4321 and pressure transducer have consisted of the first error prevention device jointly.Because frock bottom correspondence position all is provided with a thimble (indicating), its thimble of different frocks position is also different, the fifth hole that different frock thimbles is corresponding different, so, during test piece 2, when the pressure transducer of setting receives pressure, illustrate that frock correctly installs, avoid the mistake of installing, saved the time.In the present embodiment, the number of described the 6th through hole 4321 is 4, and the number of its corresponding pressure transducer is 3, is arranged in the 6th through hole 4321 according to test request, and 4 pressure transducers can certainly be set.Web joint 432 is provided with two register pins 4322, corresponding to the spacing hole 311 on frock 3, register pin 4322 is circular and two different shapes of rhombus for xsect, when spacing hole 311 is circle, the xsect of its corresponding register pin 4322 is also circular, when spacing hole 311 was rhombus, the xsect of its corresponding register pin 4322 was also rhombus, and difform spacing hole 311 and register pin 4322 can not be worked in coordination.Described register pin 4322 and described spacing hole 311 have consisted of the second error prevention device jointly.When register pin 4322 can insert in spacing hole 311 easily, the correct position of frock 3 and the 3rd base portion 43 is described, in the time can not inserting, illustrate that frock 3 installations are wrong.Simultaneously, directly register pin 4322 is inserted in the spacing hole 311 of frocks 3, make frock 3 separate setting with base station 431, and method is simple, also can fixing tool 3 position in the horizontal direction, avoid slip.The frock casting die 4324 that web joint 432 also is provided with supporter 4323 and coordinates with described supporter 4323.As shown in figure 12, described supporter 4323 is L-type, one side shorter being fixed on described web joint 432, Yi Bian long interior threaded the 7th through hole 4323-1 that is provided with.Described frock casting die 4324 is bolt, and rotation is screwed in the 7th through hole 4323-1, along with being screwed into downwards of frock casting die 4324, long limit and the frock 3 of supporter 4323 are conflicted and compress, so, and the effect of two supporters 4323, compressed frock 3, its in the vertical direction can not moved.Frock casting die 4324 is controlled distance and the degree of tightness of frock 3 and web joint 432 by bolt, facilitate adjusting and the replacement of frock 3.

As shown in figure 13, the first device for exerting 5 is controlled the motion of vertical direction and horizontal direction by cylinder.Described the first device for exerting 5 comprises the first cylinder 51 of controlling the vertical direction motion, the second cylinder 52 of controlling horizontal motion, the first worktable 53 that is connected with the first cylinder 51, the second worktable 54 that is connected with the second cylinder 52.Described the first cylinder 51 promotes the activity of the first worktable 53 and the second worktable 54 in the vertical directions, and described the second cylinder 52 promotes the first worktable 53 and the second worktable 54 motion in the horizontal direction.Described the first cylinder 51 is fixing with described the first worktable 53, and described the first cylinder 51 is provided with driving stem 511, and described driving stem 511 is connected and fixed by the hole on the first worktable 53 and the second worktable 54.Described the first cylinder 51 drives the motion of driving stem 511 in the vertical directions, thereby drives the motion of the second worktable 54 in the vertical directions.Described the first worktable 53 also comprises two the 8th through holes 531.Described the second cylinder 52 is fixing with described the second worktable 54.Above described the second worktable 54, be provided with pressure arm 541, below described the second worktable 54, be provided with two gag lever posts 542.The corresponding insertion among the 8th through hole 531 of described gag lever post 542.So, when the first cylinder 51 drivings make the second worktable 54 vertical directions motion, gag lever post 542 runs through the 8th through hole 531 and in the vertical direction motion, prevents the second worktable 54 motion in the horizontal direction, avoids lower pressure arm 541 to exert pressure accurately to workpiece 2.

As shown in figure 14, described lower pressure arm 541 comprises holding parts 5411 and piece under pressure 5412.Described holding parts 5411 is provided with some holes, by screw and these holes, described lower pressure arm 541 and described the second worktable 54 is fixed together.Described piece under pressure 5412 is for hooking shape, and its end away from holding parts 5411 is provided with a dip plane 5412-1, and the another side corresponding with dip plane 5412-1 is provided with a jut 5412-2.When 5 pairs of workpiece 2 of the first device for exerting are exerted pressure, piece under pressure 5412 directly contacts with slide plate 21 and exerts pressure, slide block 22 slides above piece under pressure 5412 simultaneously, at this moment, dip plane 5412-1 has played guide function to the slip of slide block 22, avoid the shock of slide block 22 with lower pressure arm 541, prevented the impact that test result is caused because collide.Simultaneously, described jut 5412-2 directly deducts on slide plate 21.During work, the first cylinder 51 drives and makes the second worktable 54 in the vertical directions be elevated to suitable position and higher than the vertical height of workpiece 2, then second cylinder 52 driving the second worktable 54 move on workpiece 2 in the horizontal direction, the first cylinder 51 again drives and makes the second worktable 54 in the vertical directions reduce, this moment, lower pressure arm 541 directly was pressed on slide plate 21, make slide plate 21 be subject to pressure on vertical direction, anti-limited slip block 22 is in the slip of sliding process middle slide plate 21.

As Fig. 1 and shown in Figure 15, the second 6 pairs of device for exerting slide block 22 applies the pressure of the special value on vertical direction, and preferably, in the present embodiment, this power is 980N.Described the second device for exerting 6 comprises two pressing pieces 61, fixedly pressing piece 61 and installation portion 62 and the driving lever 63 that can be free to slide.Drive unit 8 is arranged on installation portion 62, when drive unit 8 drives slide block 22 motions, at this moment due to the friction force of pressing piece 61 with slide block 22, drives pressing piece 61 and moves together with slide block 22.Described pressing piece 61 comprises directly with the bar 611 of exerting pressure, the L-type compression arm 612 of slide block 22 contacts, is connected connecting link 613, the traction piece 614 that is connected with compression arm 612 that the described bar 611 of exerting pressure is connected with compression arm, guide guiding walls 615 that compression arm 612 moves, contact guide posts 616 that compression arm 612 is connected with guiding walls and connection traction piece 614 and the press rods 617 of power straight down is provided.

As shown in figure 16, the described bar 611 of exerting pressure comprises expansion link 6111 and the contact site 6112 that contacts with slide block 22.Described expansion link 6,111 one ends and described connecting link 613 are screwed, and the other end is provided with contact site 6112, and described expansion link 6111 can be adjusted length according to the test needs, the different workpiece 2 of convenient test.Described contact site 6112 consists of for plastic cement, and the effect of protection workpiece 2 is played in the clashing and breaking when avoiding exerting pressure bar 611 and slide block 22 Fast Installation.

As Figure 15 and shown in Figure 16, described connecting link 613 is rectangular parallelepiped, described connecting link 613 two ends all are provided with some adjusting through holes 6131, the described bar 611 of exerting pressure is fixing with described connecting link 613 by screw and adjusting through hole 6131, described connecting link 611 can be selected to regulate through hole 6131 according to the requirement of test, to regulate two distances of exerting pressure between bar.In addition, described compression arm 612 is fixing with described connecting link 613 by screw and adjusting through hole 6131, like this, also can select to regulate through hole 6131 according to test request, make the bar 611 of exerting pressure better must contact with slide block 22, the dislocation of avoid exerting pressure bar 611 and slide block 22.The design of described connecting link 613 makes compression arm 612 separate setting with the bar 611 of exerting pressure, and customizes more accurately different pressing piece 61 according to test request.

As shown in figure 17, described compression arm 612 is L-type, and the minor face of L-type and connecting link 613 are fixing, and long limit one end of L-type is provided with U-shaped fabricated section 6121, and described fabricated section 6121 coordinates with traction piece 614, makes compression arm 612 to rotate.Two respective side of described fabricated section 6121 are provided with corresponding towing pad 6121-1 and mounting hole 6121-2.

As 15 and shown in Figure 180, described guiding walls 615 is arranged at described compression arm 612 both sides, and described guiding walls 615 is flat rectangular-shaped, and is fixing by screw and installation portion 62.Described guiding walls 615 is provided with L-type guiding opening 6151 and buffer part 6152, described buffer part 6152 with guide opening 6151 and be connected and the long limit of described guiding opening 6151 and the two ends of minor face are set.Described buffer part 6152 is arc.Guide posts 616 runs through corresponding two guiding openings 6151 and two towing pad 6121-1, makes compression arm 612 rotate take guide posts 616 as the axle center.Simultaneously, guide posts 616 can only be slided in guiding opening 6151, namely vertically and on vergence direction.6152 pairs of guide posts 616 of buffer part have played buffer action, make the slip can be more smooth and easy.

As Figure 15 and shown in Figure 19, described traction piece 614 is T-shaped, comprises main part 6141, autonomous body extended joint portion 6142, is arranged at the 9th through hole 6143 on described joint portion 6142 and the coupling shaft that runs through the 9th through hole 6143.Compression arm 612 and traction piece 614 rotate centered by coupling shaft.Described main part 6141 is fixedly connected with press rods 617.Described coupling shaft runs through the 9th through hole 6143 and two mounting hole 6121-2.Simultaneously, be provided with copper sheet 6144 between the 9th through hole 6143 and two mounting hole 6121-2, as shown in figure 20, described copper sheet 6144 is circular thin slice, the above is provided with grey spots, and the friction force that makes traction piece 614 and compression arm 612 wait when rotated reduces, and rotate effect is better.Described main part 6141 is connected the part that connects and is provided with joint face 6145 with the joint portion, described joint face 6145 be arc, has avoided fabricated section 6121 and the clashing and breaking of traction piece 614 in installation process.

As shown in figure 15, driving lever 63 is arranged between described two pressing pieces 61, is used for described the second device for exerting 6 is carried out manual fine-tuning.Described driving lever 63 tops are ball-type, and body is cylindrical, and the comfortableness that staff touches is convenient in this design.When needs are exerted pressure to workpiece 2, stir driving lever 63 with hand gently, driving compression arm 612 tilts to mention, and traction piece 614 also together is raised owing to being connected by coupling shaft with compression arm 612, described traction piece 614 is mentioned direction for vertical, and also upward sliding is received press rods 617 power straight down to guide posts 616 at this moment along with guiding opening 6151, through the moment conversion, the power that is delivered to driving lever 63 has reduced.When guide posts 616 arrives buffer part 6152, compression arm 612 stops upwards, hand stops stirring driving lever 63, due to the power that is subject to straight down, drive pressing piece 61 downward, guide posts 616 is also along guiding opening 6151 down slidings simultaneously, and the bar 611 of exerting pressure is conflicted to workpiece 2, and workpiece 2 is exerted pressure.

Be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.

Above listed a series of detailed description is only illustrating for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent embodiment that skill spirit of the present invention does or change all should be included in protection scope of the present invention.

Claims (5)

1. vibration testing machine, be used for workpiece is tested, described workpiece comprises slide block and slide plate, described vibration testing machine comprises the frock of fixing described slide plate, the 3rd base portion of fixing described frock, the second base portion of described the 3rd base portion of support, the first device for exerting that described workpiece is exerted pressure, drive the drive unit that described slide block slides, the acceleration transducer that described slide block is applied the second device for exerting of specified pressure and is arranged at described workpiece below, described the 3rd base portion comprises two base stations and the web joint that is connected described base station, it is characterized in that, described web joint is provided with frock casting die and supporter.
2. vibration testing machine according to claim 1, is characterized in that, described supporter one end is fixed on described web joint, the described frock of other end conflict.
3. vibration testing machine according to claim 2, is characterized in that, described supporter is provided with the 6th through hole.
4. vibration testing machine according to claim 3, is characterized in that, is provided with screw thread in described the 6th through hole.
5. vibration testing machine according to claim 4, is characterized in that, described frock casting die be screwed in the 6th through hole with control described frock and described web joint between distance and degree of tightness.
CN2011104082399A 2011-12-09 2011-12-09 Vibration testing machine CN103162794A (en)

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CN102183363A (en) * 2010-12-30 2011-09-14 南京理工大学 Dynamic characteristic parameter test device and method of sliding guide rail junction surface

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Application publication date: 20130619