CN103162793B - Vibration test machine - Google Patents
Vibration test machine Download PDFInfo
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- CN103162793B CN103162793B CN201110408204.5A CN201110408204A CN103162793B CN 103162793 B CN103162793 B CN 103162793B CN 201110408204 A CN201110408204 A CN 201110408204A CN 103162793 B CN103162793 B CN 103162793B
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Abstract
The invention provides a vibration test machine which is used for testing workpieces. The workpieces comprise a slide block and a slide plate. The vibration test machine comprises a tool for fixing the slide plate, a first base part for fixing the tool, a second base part for supporting the first base part, a first pressing device for pressing the workpieces, a driving device for driving the slide block to slide, a second pressing device for exerting certain pressure on the slide block, and an acceleration sensor arranged below the workpieces. The third base part comprises two base tables and a connecting plate connecting the base tables. The connecting plate is provided with a first fail-safe device. The tool can be arranged correctly through the first fail-safe device, mounting errors are avoided, and efficiency is improved.
Description
Technical field
The present invention relates to technical field of mechanical equipment, particularly relate 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 international market, and increasing transregional company manufactures center China as a global auto parts machinery.And the technology content of domestic automobile chair slide rail, product quality are very different, constrain the development in market to a certain extent.
Automobile chair slide rail is one of major function of automobile chair, 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, the degree of fitting tightly of slide rail workpiece and frock cannot be ensured, calculating standard is also indefinite, and specifically cannot test its vibration detailed data, test function is incomplete yet simultaneously, can only test the vibration on single direction, and efficiency is not high.
In view of this, be necessary to be improved existing vibration testing machine, to solve the 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 accurately can test the Vibration Condition of slide rail, and method is simple, and the Vibration Condition of its slide rail in an inclined state can be tested, greatly improve the degree of accuracy of slide rail test, ensure that quality and the efficiency of slide rail.
For achieving the above object, a kind of vibration testing machine of the present invention, for testing workpiece, described workpiece comprises slide block and slide plate, described vibration testing machine comprises the frock of fixing described slide plate, first base portion of fixing described frock, second base portion of the first base portion described in support, to the first device for exerting that described workpiece is exerted pressure, drive the drive unit of described skid, the second device for exerting that described slide block is applied specified pressure and the acceleration transducer be arranged at below described workpiece, described first base portion comprises two base stations and the web joint being connected described base station, described first device for exerting comprises the first cylinder controlling vertical direction motion, second cylinder of level of control direction motion, the first worktable be connected with the first cylinder, the second worktable be connected with the second cylinder, some gag lever posts are provided with below described second worktable, described first worktable is provided with the first through hole, described gag lever post inserts in described first through hole, described gag lever post runs through the first through hole and in the vertical direction motion, described web joint is provided with the first error prevention device.
As a further improvement on the present invention, described first error prevention device comprises the first through hole be arranged on described web joint and the pressure transducer be arranged in described first through hole.
As a further improvement on the present invention, the number of described first through hole is four.
As a further improvement on the present invention, the number of described pressure transducer is three.
As a further improvement on the present invention, bottom described frock, be provided with thimble, described thimble corresponding pressure sensor.
Compared with prior art, the invention has the beneficial effects as follows: the correct installation being guaranteed frock by the first error prevention device, avoid the mistake of installing, improve efficiency.
Accompanying drawing explanation
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, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
As shown in Fig. 1-Figure 20, a kind of vibration testing machine 100, for the Vibration Condition of test piece 2, described vibration testing machine 100 comprises acceleration transducer 7 for the frock 3 of support workpiece 2, the base portion 4 be connected with described frock 3, the first device for exerting 5 described workpiece 2 being played to pressing effect and the second device for exerting 6, test piece 2 and drive unit 8.
As depicted in figs. 1 and 2, the slide block 22 that described workpiece 2 comprises U-shaped slide plate 21 and is arranged in described slide plate 21, described slide block 22 is driven to slidably reciprocate within slide plate 21 by drive unit 8, 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, fixing for coordinating with described frock 3.Described slide block 22 slidably reciprocates and gets back to original position on slide plate 21 is a cycle.Centre position below described slide plate 21 is provided with acceleration transducer 7, acceleration in 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, contrast to determine that whether this workpiece 2 is qualified with standard value.Described workpiece 2 is parts to be tested, can have other different shape styles, be not limited to the workpiece shown in Fig. 2.
As shown in Figure 2, described frock 3 comprises a rectangular base 31 being provided with rectangular aperture, be arranged at the first support portion 32 on described base 31 and the second support portion 33 and be arranged at the lift hand 34 at described base two ends, and described first support portion 33, support portion 32, second and lift hand 34 are arranged at the same side of described base 31.Described first support portion 32 as shown in Figure 3 and Figure 4, first support portion 32 is rectangular parallelepiped, contact one end with described workpiece 2 and be provided with through groove 321, in order to engage described first auxiliary section 211, the one end contacted with described base 31 is provided with some first depressed parts 322, coordinated with the hole on described base 31 by described first depressed part 322, with screw, described first support portion 32 is fixed together with base 31.Described second support portion 33 as shown in Figure 5 and Figure 6, described second support portion 33 is roughly in rectangular parallelepiped, the platform 332 that the one side contacted with described workpiece 2 is provided with a boss 331 and is connected with described boss 331, the 8th through hole 333 is provided with below described platform 332, described workpiece 2 is positioned on described boss 331 and does not contact platform 332, and described second auxiliary section 212 coordinates fixing with described 8th through hole 333.One end that described second support portion 33 contacts with base 31 is provided with some second depressed parts 334, is coordinated with the hole on described base 31 by described second depressed part 334, is fixed together described second support portion 33 with screw with base 31.Described 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, pairing first depressed part 322, second depressed part 334 and hole can be needed according to difference, make the first support portion 32 and the second support portion 33 be arranged at different positions, thus reach the object of adaptive different workpiece.The structure of described base 31, first support portion 32 and the second support portion 33, structure is stablized simply again.Described lift hand 34 is symmetricly set in the two ends of described base 31, the described frock 3 of convenient carrying.Described lift hand 34 comprises two columns 341 be fixedly connected with described base 31 and the connecting portion 342 being connected two columns 341.The coupling part of described column 341 and described connecting portion 342 is curved, described connecting portion 342 U-shaped and outside base 31 tilt, avoid the contact with workpiece 2, facilitate people's grasped.Meanwhile, every part of described lift hand 34 is all cylindrical shape, is more conducive to and human contact, enlarge active surface, makes people easilyer can must mention frock 3.Wherein, described one jiao, 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, described two spacing holes 311 1 are that one, rhombus is for circular, 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 in described frock 3 horizontal direction, there is mistake proofing effect simultaneously, avoid frock 3 and base portion 4 to slip up exchanging the installation in process for, indirectly decrease the time of test.
As shown in Figure 7 and Figure 8, described base portion 4 comprises and is positioned at the 3rd fixing base portion 41 of the bottom and board (sign), is arranged at the second base portion 42 on described 3rd base portion 41, is arranged at the first base portion 43 on described second base portion 42.Described 3rd base portion 41, second base portion 42 and the first base portion 43 are all rectangle, there is rectangular aperture centre and the size of described 3rd base portion 41, second base portion 42 and the first base portion 43 also reduces gradually.Described 3rd base portion 41 is provided with some holes, and described 3rd base portion 41 is fixed on board by screw and hole.Described second base portion 42 is also provided with some holes, coordinates with the hole on the 3rd base portion 41, then makes described second base portion 42 be fixed on described 3rd base portion 41 by screw.Described second base portion 42 comprises the some support members 421 be fixed on described second base portion 42, is fixed on the steering component 422 of described second base portion 42 central authorities, adjusts cylinder 423 and retaining element 424.The number of described support member 421 is four, is arranged side by side between two in described second base portion 42 two ends, plays the effect of support first base portion.Described support member 421 comprises the fixed part 4211 be connected and fixed with the second base portion 42 and the rubber parts 4212 playing buffer action.Described rubber parts 4212 directly deducts the first base portion 43, plays buffer action on the one hand to the first base portion 43, plays again shock-absorbing effect on the other hand, prevents the impact of vibration on test result of board.
As shown in Figure 9, described steering component 422 comprises one and is fixed on the pedestal 4221 of described second base portion 42, the retaining piece 4222 fixing with the first base portion 43 and is connected the rotating shaft 4223 of described pedestal 4221 and retaining piece 4222 described steering component 422.Described pedestal 4221 is U-shaped, and comprise biside plate (sign) and a base plate (sign), base plate is provided with hole, is screwed on the second base portion 42, and side plate is provided with two the 6th corresponding through holes 4224.Described retaining piece 4222 is T-shaped, and middle part is provided with third through-hole 4225, and described retaining piece 4222 top is provided with hole, is screwed on the first base portion 43.Described rotating shaft 4223 runs through two the 6th through holes 4224 and third through-hole 4225, because pedestal 4221 is fixed, retaining piece 4222 and the first base portion 43 are fixed, and the first 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 described 3rd base portion 41 and the through opening of the second base portion 42, and the first base portion 43 of directly conflicting.By the effect of described adjustment cylinder 423, make the first base portion 43 can be horizontal 0 ° ,+4.5 ° and-4.5 ° of three positions.Certainly, other angles can be adjusted to by setting.Described adjustment cylinder 423 is well known to those skilled in the art, and does not repeat at this.
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, the fixture 4242 being arranged at the first base portion 43, the fixed head 4243 that is connected with fixture 4242.Described fixed cylinder 4244 is arranged on described second base portion 42.
As shown in Figure 10, gland 4241 is bullet shape, comprises cylindrical body portion 4241-1, the guidance part 4241-2 be connected with described body 4241-1 and the connecting portion 4241-3 connecting the body 4241-1 other end.Described guidance part 4241-2 is cambered surface taper, can play guide function.Described body 4241-1 is provided with location division 4241-11, and when described gland 4241 is fixed with fixed cylinder 4244, described location division 4241-11 plays positioning action.Described connecting portion 4241-3 is cylindrical, and insert fixed cylinder inner, described connecting portion 4241-3 is provided with fourth hole 4241-31, and described gland 4241 is fixed by fourth hole 4241-31 and fixed cylinder 4244.
As seen in figs. 7 and 11, fixed head 4243 is fixed by fixture 4242, is synchronized with the movement with the first base portion 43.Described fixed head 4243 is provided with the fifth hole 4243-1 of three oblique arrangement, is also provided with some 3rd depressed part 4243-2 in fixed head 4243 side, is fixed by the structure of screw and the 3rd depressed part 4243-2 and described fixture 4242.Described three fifth hole 4243-1, arrange from the side being provided with the 3rd depressed part 4243-2 in inclination 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 interacts, and makes gland 4241 can import fifth hole 4243-1 swimmingly inner.
As shown in Figure 7 and Figure 8, described steering component 422, adjustment cylinder 423 and retaining element 424 together constitute an angular adjustment apparatus.Described angular adjustment apparatus carries out the adjustment of special angle to the first base portion 43.The first base portion 43 under described retaining element 424 pairs of special angles is fixed.When the first base portion 43 is horizontal 0 °, the retaining piece 4222 of steering component 422 is also horizontal, what now adjustment cylinder 423 received is designated as 0 °, gland 4241 is inserted in one, the centre through hole of the fifth hole 4243-1 of fixed head 4243 by fixed cylinder 4244, keeps the level of the first base portion 43 to fix with this.When adjust cylinder 423 receive be designated as+4.5 ° time, one end that adjustment cylinder 423 makes the first base portion 43 contact with adjustment cylinder 423 by effect is inclined upwardly, drive the retaining piece 4222 of steering component 422 also to tilt, fixed cylinder 4244 running of retaining element 424 makes gland 4241 out import again a nethermost through hole of fifth hole 4243-1 from original through hole.When adjust cylinder 423 receive be designated as-4.5 ° time, one end that adjustment cylinder 423 makes the first base portion 43 contact with adjustment cylinder 423 by effect is downward-sloping, drive the retaining piece 4222 of steering component 422 also to tilt, fixed cylinder 4244 running of retaining element 424 makes gland 4241 out import again a uppermost through hole of fifth hole 4243-1 from original through hole.So, by adjusting the effect of cylinder 423, retaining element 424 and steering component 422, the first base portion 43 can need to carry out the adjustment on horizontal direction 0 ° ,+4.5 ° directions and-4.5 ° of directions according to test.So, add the state of test, can test the performance of slide rail better.Certainly, in other embodiments, can adjust the angle tilted as required, can be other arbitrary angles, as long as carry out adjustment to adjustment cylinder 424 just can reach this object.
As shown in Figure 7, the opening of the first base portion 43 central authorities is less than the opening of the second base portion 42 central authorities, make adjustment cylinder 423 can conflict the first base portion 43 and to its effect.Described first base portion 43 is also provided with two base stations 431 side by side, and described two base stations 431 are linked together by web joint 432, support frock 3 on described web joint 432.Described web joint 432 is separated setting with frock 3, together constitutes quick replacement device, and different frocks can freely be exchanged for.Described web joint 432 central authorities are provided with an opening, and an acceleration transducer 7 is stretched out by the opening of web joint 432 and the opening of frock 3.The acceleration information of described slide block 22 under different angles tested by described acceleration transducer 7.Web joint 432 opening both sides are also provided with in some two through hole 4321, second through holes 4321 and are provided with pressure transducer, and described second through hole 4321 and pressure transducer together constitute the first error prevention device.Because correspondence position bottom frock is all provided with a thimble (sign), its thimble position of different frocks is also different, the fifth hole that different frock thimbles is corresponding different, so, during test piece 2, when the pressure transducer set receives pressure, then illustrate that frock is correctly installed, avoid the error resistance of installation, save the time.In the present embodiment, the number of described second through hole 4321 is 4, and the number of the pressure transducer of its correspondence is 3, is arranged in the second through hole 4321 according to test request, can certainly arrange 4 pressure transducers.Web joint 432 is provided with two register pins 4322, corresponding to the spacing hole 311 in frock 3, register pin 4322 for xsect be the circular shape different with two, rhombus, when spacing hole 311 is circular, the xsect of the register pin 4322 of its correspondence is also circular, when spacing hole 311 is rhombus, the xsect of the register pin 4322 of its correspondence is 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 together constitute the second error prevention device.When register pin 4322 can insert in spacing hole 311 easily, illustrate that the position of frock 3 and the first base portion 43 is correct, when not inserting, illustrate that frock 3 is installed wrong., directly register pin 4322 is inserted in the spacing hole 311 of frock 3 meanwhile, make frock 3 be separated setting with base station 431, and method is simple, also can fixing tool 3 position in the horizontal direction, avoid sliding.The frock casting die 4324 that web joint 432 is also provided with supporter 4323 and coordinates with described supporter 4323.As shown in figure 12, described supporter 4323 is in L-type, and shorter is fixed on described web joint 432, longer while be provided with threaded 7th through hole 4323-1 in.Described frock casting die 4324 is bolt, rotates and is screwed in the 7th through hole 4323-1, along with being screwed into of frock casting die 4324 downwards, long limit and the frock 3 of supporter 4323 are conflicted and compress, so, and the effect of two supporters 4323, compress frock 3, its in the vertical direction can not be moved.Frock casting die 4324 controls the Distance geometry degree of tightness of frock 3 and web joint 432 by bolt, facilitates adjustment 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 first device for exerting 5 comprise control vertical direction motion the first cylinder 51, the motion of level of control direction the second cylinder 52, the first worktable 53 be connected with the first cylinder 51, the second worktable 54 of being connected with the second cylinder 52.Described first cylinder 51 promotes the activity of the first worktable 53 and the second worktable 54 in the vertical direction, and described second cylinder 52 promotes the first worktable 53 and the second worktable 54 motion in the horizontal direction.Described first cylinder 51 is fixed with described first worktable 53, and described 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 first cylinder 51 drives the motion of driving stem 511 in the vertical direction, thus drives the motion of the second worktable 54 in the vertical direction.Described first worktable 53 also comprises two the first through holes 531.Described second cylinder 52 is fixed with described second worktable 54.Above described second worktable 54, be provided with pressure arm 541, below described second worktable 54, be provided with two gag lever posts 542.Described gag lever post 542 correspondence is inserted among the first through hole 531.So, when the first cylinder 51 driving makes the second worktable 54 vertical direction motion, gag lever post 542 runs through the first through hole 531 and in the vertical direction motion, prevents the second worktable 54 motion in the horizontal direction, avoids lower pressure arm 541 cannot apply 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 second worktable 54 is fixed together.Described piece under pressure 5412 is for hooking shape, and its one 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 the first device for exerting 5 pairs of workpiece 2 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, now, the slip of dip plane 5412-1 to slide block 22 serves guide function, avoid slide block 22 and the shock of lower pressure arm 541, prevent impact test result caused because of collision.Meanwhile, described jut 5412-2 directly deducts on slide plate 21.During work, first cylinder 51 drives and makes the second worktable 54 in the vertical direction be elevated to applicable position and higher than the vertical height of workpiece 2, then the second cylinder 52 drives the second worktable 54 to move on workpiece 2 in the horizontal direction, first cylinder 51 again drives and the second worktable 54 in the vertical direction is reduced, pressure arm 541 is now descended directly to be pressed on slide plate 21, make the pressure that slide plate 21 is subject on vertical direction, anti-limited slip block 22 is in the slip of sliding process middle slide plate 21.
As shown in Fig. 1 and Figure 15, the second device for exerting 6 pairs slide block 22 applies the pressure of the special value on vertical direction, and preferably, in the present embodiment, this power is 980N.The installation portion 62 that described second device for exerting 6 comprises two pressing pieces 61, fixing pressing piece 61 also can be free to slide and driving lever 63.Drive unit 8 is arranged on installation portion 62, when drive unit 8 drives slide block 22 to move, now due to pressing piece 61 and the friction force of slide block 22, drives pressing piece 61 to move together with slide block 22.Described pressing piece 61 comprise directly contact with slide block 22 bar 611 of exerting pressure, L-type compression arm 612, connect described in exert pressure the connecting link 613 of bar 611 and compression arm 612, the traction piece 614 be connected with compression arm 612, guide the guiding walls 615 that compression arm 612 moves, the guide posts 616 contacting compression arm 612 and guiding walls 615 and connect traction piece 614 and the press rods 617 of power is straight down provided.
As shown in figure 16, the contact site 6112 that bar 611 of exerting pressure described in comprises expansion link 6111 and contacts with slide block 22.Described expansion link 6111 one end and described connecting link 613 are screwed, and the other end is provided with contact site 6112, and described expansion link 6111 can need to adjust length according to test, the workpiece 2 that convenient test is different.Described contact site 6112 is formed for plastic cement, avoids exert pressure bar 611 and clashing and breaking during slide block 22 Fast Installation, plays the effect of protection workpiece 2.
As shown in Figure 15 and Figure 16, described connecting link 613 is rectangular parallelepiped, described connecting link 613 two ends are all provided with some adjustment through holes 6131, described bar 611 of exerting pressure is by screw and regulate through hole 6131 to fix with described connecting link 613, described connecting link 611 can be selected to regulate through hole 6131, to regulate two distances of exerting pressure between bar according to the requirement of test.In addition, described compression arm 612 is by screw and regulate through hole 6131 to fix with described connecting link 613, like this, also can select to regulate through hole 6131 according to test request, the bar 611 that makes to exert pressure can 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 be separated setting with bar 611 of exerting pressure, customizes different pressing pieces 61 more accurately according to test request.
As shown in figure 17, described compression arm 612 is L-type, and minor face and the connecting link 613 of L-type are fixed, and one end, long limit of L-type is provided with U-shaped fabricated section 6121, and described fabricated section 6121 coordinates with traction piece 614, and compression arm 612 can be rotated.Two respective side of described fabricated section 6121 are provided with corresponding towing pad 6121-1 and mounting hole 6121-2.
As shown in 15 and Figure 18, described guiding walls 615 is arranged at described compression arm 612 both sides, and described guiding walls 615 is flat rectangular body shape, is fixed by screw and installation portion 62.Described guiding walls 615 is provided with L-type guide openings 6151 and buffer part 6152, and described buffer part 6152 is connected with guide openings 6151 and arranges the long limit of described guide openings 6151 and the two ends of minor face.Described buffer part 6152 is arc.Guide posts 616 runs through corresponding two guide openings 6151 and two towing pad 6121-1, makes compression arm 612 with guide posts 616 for axis rotation.Meanwhile, guide posts 616 can only be slided in guide openings 6151, namely vertically and on vergence direction.Buffer part 6152 pairs of guide posts 616 serve buffer action, make slip can be more smooth and easy.
As shown in Figure 15 and Figure 19, described traction piece 614 is T-shaped, comprises main part 6141, joint portion 6142 that main body extends, is arranged at the 9th through hole 6143 on described joint portion 6142 and runs through the coupling shaft of 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.Meanwhile, between the 9th through hole 6143 and two mounting hole 6121-2, copper sheet 6144 is provided with, as shown in figure 20, described copper sheet 6144 is circular thin slice, be provided with grey spots above, the friction force that traction piece 614 and compression arm 612 are waited when rotated reduces, and rotate effect is better.The part that described main part 6141 is connected with joint portion 6142 is provided with joint face 6145, and described joint face 6145 is arc, avoids 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, for carrying out manual fine-tuning to described second device for exerting 6.Described driving lever 63 top is ball-type, and body is cylindrical, and the comfortableness that staff touches is convenient in this design.When needs apply pressure to workpiece 2, driving lever 63 is stirred gently with hand, compression arm 612 is driven to tilt to mention, and traction piece 614 is also together raised owing to be connected by coupling shaft with compression arm 612, it is vertical that described traction piece 614 mentions direction, and guide posts 616 is the upward sliding along with guide openings 6151 also, receives press rods 617 power straight down at this moment, through moment conversion, the power being delivered to driving lever 63 decreases.When guide posts 616 arrives buffer part 6152, compression arm 612 stops upwards, hand stops stirring driving lever 63, owing to being subject to power straight down, drive pressing piece 61 downward, guide posts 616 is also along guide openings 6151 slide downward simultaneously, and bar 611 of exerting pressure is conflicted on workpiece 2, applies pressure to workpiece 2.
Be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (5)
1. a vibration testing machine, for testing workpiece, described workpiece comprises slide block and slide plate, described vibration testing machine comprises the frock of fixing described slide plate, first base portion of fixing described frock, second base portion of the first base portion described in support, to the first device for exerting that described workpiece is exerted pressure, drive the drive unit of described skid, the second device for exerting that described slide block is applied specified pressure and the acceleration transducer be arranged at below described workpiece, described first base portion comprises two base stations and the web joint being connected described base station, it is characterized in that, described first device for exerting comprises the first cylinder controlling vertical direction motion, second cylinder of level of control direction motion, the first worktable be connected with the first cylinder, the second worktable be connected with the second cylinder, some gag lever posts are provided with below described second worktable, described first worktable is provided with the first through hole, described gag lever post inserts in described first through hole, described gag lever post runs through the first through hole and in the vertical direction motion, described web joint is provided with the first error prevention device.
2. vibration testing machine according to claim 1, is characterized in that, described first error prevention device comprises the second through hole be arranged on described web joint and the pressure transducer be arranged in described second through hole.
3. vibration testing machine according to claim 2, is characterized in that, the number of described second through hole is four.
4. vibration testing machine according to claim 3, is characterized in that, the number of described pressure transducer is three.
5. vibration testing machine according to claim 4, is characterized in that, is provided with thimble bottom described frock, described thimble corresponding pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408204.5A CN103162793B (en) | 2011-12-09 | 2011-12-09 | Vibration test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408204.5A CN103162793B (en) | 2011-12-09 | 2011-12-09 | Vibration test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103162793A CN103162793A (en) | 2013-06-19 |
| CN103162793B true CN103162793B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110408204.5A Expired - Fee Related CN103162793B (en) | 2011-12-09 | 2011-12-09 | Vibration test machine |
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| CN (1) | CN103162793B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201011182A (en) * | 2008-09-05 | 2010-03-16 | Univ Nat Formosa | Parallelism measurement device for movements on linear slide-rail |
| CN201425535Y (en) * | 2009-05-11 | 2010-03-17 | 沙基诺凌云驱动轴(芜湖)有限公司 | Novel device for instantly displaying assembly pressing-in force |
| CN102183363B (en) * | 2010-12-30 | 2013-06-05 | 南京理工大学 | Dynamic characteristic parameter test device and method of sliding guide rail junction surface |
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Address after: 215121 No. 88 Zhuang Road, Suzhou Industrial Park, Suzhou, Jiangsu Patentee after: SUZHOU INDUSTRIAL PARK GOLDWAY TECHNOLOGIES CO.,LTD. Address before: 215121, 2-2F-A, China Science and technology industrial square, 8 Exhibition Road, Suzhou Industrial Park, Jiangsu, China Patentee before: Suzhou Goldway Technologies Co.,Ltd. |
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