CN104697758B - Two power rod member test-beds - Google Patents

Two power rod member test-beds Download PDF

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Publication number
CN104697758B
CN104697758B CN201310653015.3A CN201310653015A CN104697758B CN 104697758 B CN104697758 B CN 104697758B CN 201310653015 A CN201310653015 A CN 201310653015A CN 104697758 B CN104697758 B CN 104697758B
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rod
swing
contiguous block
swing rod
power
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CN104697758A (en
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李涛
卢海波
罗文�
梁天开
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Abstract

The present invention provides a kind of two power rod member test-bed, for testing two power rod member to be measured, two power rod member to be measured has first end and the second end, second end of two power rod member to be measured has pin-and-hole, two power rod member test-beds include reaction frame, first loading actuator, guiding mechanism and swing mechanism, one end of first loading actuator is connected with the reaction frame, the other end is connected with one end of guiding mechanism, the other end of guiding mechanism is hinged with the first end of two power rod member to be measured, swing mechanism is hinged with the second end of two power rod member to be measured, swing mechanism is used to provide the first end that a reversed load acts on two power rod member to be measured when the first loading actuator is axially loaded to the first end of two power rod member to be measured, second end of two power rod member to be measured swings around first end while with the first end stand under load for causing two power rod member to be measured.Two power rod member test-bed of the invention, simulates one end loading, the operating mode of one end swing in two power rod member real works, and result of the test confidence level is higher.

Description

Two power rod member test-beds
Technical field
The invention belongs to rod member type component experimental technique field, more particularly to a kind of two power rod member test-bed.
Background technology
Two power rod members refer in the case of gravity is disregarded, the bar of balance to be only in by two power.Two power rod members are in automobile In suspension, especially widely used in Multi-link suspension, its reliability directly influences vehicle security, effectively simulation is real Border operating mode is very necessary to verify its reliability.The actual stress of these two power rod members and motion mode are generally one end swing, One end stand under load.Fig. 1 show a kind of typical two power member structure in Multi-link suspension.It includes body of rod 1a and is arranged on bar Two bulb 2a at body 1a two ends, each bulb 2a include the metal sleeve 3a welded with the body of rod and are fitted in metal Bushing 4a in sleeve pipe 3a, bushing 4a include outer layer metal tube 5a, inner layer metal pipe 6a and positioned at outer layer metal tube 5a and internal layer Vulcanised rubber layer 7a between metal tube 6a, outer layer metal tube 5a and inner layer metal pipe are connected as a single entity shape by vulcanised rubber layer 7a Into bushing 4a, the endoporus of inner layer metal pipe 6a is pin-and-hole 8a, by inserting the bearing pin of adaptation in two pin-and-hole 8a by two power bars The two ends of part respectively with other parts(Such as vehicle body, subframe)It is hinged.
Existing two power rod member test-bed its hydraulic actuator typically is only capable of realizing axially loaded long duration test,;But, Stress and motion mode in these two power rod member real works are generally one end swing, one end stand under load.It can be seen that, two current power Rod member test-bed does not consider that it swings operating mode, and the endurance quality of the two power rod members that experiment is obtained may be with these two power rod members Actual entrucking after endurance quality be not inconsistent, the confidence level of result of the test is not high.Other existing test-bed, due to not carrying out Working condition tests being swung, therefore, the endurance quality of bushing can not together be verified.
The content of the invention
The technical problems to be solved by the invention are directed to existing two power rod member test-bed and do not consider that two power rod members are put Condition of starting building causes to test that the endurance quality for obtaining may not be inconsistent with the endurance quality after the actual entrucking of these two power rod members lacks Fall into, there is provided a kind of two power rod member test-bed.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:
A kind of two power rod member test-bed is provided, for testing two power rod member to be measured, the two power rod member to be measured With first end and the second end, the second end of the two power rod member to be measured has pin-and-hole, it is characterised in that the two power rod member examination Testing stand includes reaction frame, the first loading actuator, guiding mechanism and swing mechanism, one end of the first loading actuator with The reaction frame connection, the other end of the first loading actuator is connected with one end of the guiding mechanism, the Guiding machine The other end of structure is hinged with the first end of the two power rod member to be measured, the swing mechanism and the second of the two power rod member to be measured End is hinged, and the swing mechanism is used for axially loaded to the first end of the two power rod member to be measured in the described first loading actuator When the first end that one reversed load acts on the two power rod member to be measured is provided, with cause the two power rod member to be measured first end The second end of the two power rod member to be measured swings around first end while stand under load.
Further, the swing mechanism include portal frame, second loading actuator, the first fixed mount, the second fixed mount, First swing rod, the first swing rod contiguous block, the second swing rod, the second swing rod contiguous block and middle contiguous block, the portal frame include phase To two columns for setting and the crossbeam being connected between described two columns, fixation device is provided with the crossbeam, it is described Second loading actuator one end and the fixation device bulb hinged, it is described second loading actuator the other end with it is described in Between contiguous block bulb hinged, one end of first swing rod and middle contiguous block connection, the other end of first swing rod It is hinged with the first swing rod contiguous block, one end of second swing rod and the middle contiguous block are connected, second swing rod The other end be hinged with the second swing rod contiguous block, the first swing rod contiguous block is connected with first fixed mount, described Second swing rod contiguous block is connected with second fixed mount.
Further, the middle contiguous block includes swing rod contiguous block and is connected to the side surface of swing rod contiguous block one Rod member contiguous block, the swing rod contiguous block includes the first swing rod connecting portion and the second swing rod connecting portion, the first swing rod connection The first oblique screwed hole that portion is provided through, the second oblique screwed hole that the second swing rod connecting portion is provided through, the bar Part contiguous block includes vertical plate and level board, and the vertical plate is provided with the first pin-and-hole, first pin-and-hole and described to be measured two Bearing pin is interspersed with the pin-and-hole at the second end of power rod member so that the second end and the middle contiguous block of the two power rod member to be measured It is hinged, the lower end bulb hinged of the second loading actuator has upper junction plate, the level board and the upper junction plate bolt Connection.
Further, the axis of the described first oblique screwed hole, the second oblique screwed hole, the first pin-and-hole and the second loading actuator Line intersects at the pin-and-hole center at the second end of the two power rod member to be measured.
Further, one end of first swing rod and the middle contiguous block connection is provided with the first screwed hole, a spiral shell Post sequentially passes through the first screw thread inclined hole and the first screwed hole and is fixed on the middle contiguous block with by one end of first swing rod The first swing rod connecting portion on, one end of second swing rod and middle contiguous block connection is provided with the second screwed hole, one Stud sequentially passes through the second screw thread inclined hole and the second screwed hole and is fixed on connection in the middle of described with by one end of second swing rod On second swing rod connecting portion of block.
Further, the other end of first swing rod is provided with the first spherical plain bearing rod end, first swing rod it is another One end is hinged by first spherical plain bearing rod end with the first swing rod contiguous block, and the other end of second swing rod is set The other end for having the second spherical plain bearing rod end, second swing rod passes through second spherical plain bearing rod end and second swing rod Contiguous block is hinged.
Further, the first swing rod contiguous block includes the first articulated slab being hinged with first spherical plain bearing rod end And with bolted first connecting plate of first fixed mount, the first connecting plate both sides are provided with screwed hole, described One fixed mount setting has and is matched with the screwed hole of the first connecting plate both sides and two row's screwed holes from top to bottom;Described second Swing rod contiguous block includes the second articulated slab being hinged with second spherical plain bearing rod end and connects with the second fixed mount bolt The second connecting plate for connecing, the second connecting plate both sides are provided with screwed hole, and second fixed mount setting has and described second The screwed hole matching of connecting plate both sides and two row's screwed holes from top to bottom.
Further, the swing mechanism includes the second loading actuator, portal frame, support frame and sliding block, described second Loading actuator is arranged on the portal frame, and the portal frame includes two columns being oppositely arranged and is connected to described two Crossbeam between column, is provided with fixation device on the crossbeam, one end of the second loading actuator fills with the clamping plate Bulb hinged is put, the other end and the sliding block bulb hinged of the second loading actuator are provided with cunning on support frame as described above Rail, is provided with the chute coordinated with the slide rail on the sliding block, the second end of the two power rod member to be measured is cut with scissors with the sliding block Connect.
Further, the guiding mechanism includes guiding mechanism body and guiding mechanism fixed mount, the guiding mechanism sheet Body is fixed on the guiding mechanism fixed mount.
Further, the guiding mechanism body includes base plate and the linear bearing being arranged on the base plate, described straight One end that bobbin holds and the described first loading actuator bulb hinged, the other end of the linear bearing and the two power bar to be measured The first end bulb hinged of part, the base plate and the guiding mechanism fixed mount bolt connection.
Two power rod member test-bed of the invention, is additionally provided with for loading actuator to be measured described first The first end of two power rod members provides the swing that a reversed load acts on the first end of the two power rod member to be measured when axially loaded Mechanism, second end of two power rod member to be measured swings around first end while with the first end stand under load for causing two power rod member to be measured, this Sample simulates one end loading, the operating mode of one end swing, the endurance quality that experiment is obtained in two power rod member real works at the trial The endurance quality after actual entrucking with these two power rod members is consistent, and the confidence level of result of the test is higher, and checking is more rationally effective. In addition, the present invention is while the endurance quality of two power rod members is verified, the bushing or ball at two power rod member two ends of checking have been gone back simultaneously The endurance quality of hinge.Present invention is mainly applied to the swing rod member that automobile chassis suspension receives Tensile or Compressive Loading(Two power rod members)It is durable Performance test, certainly, the rod member swung by Tensile or Compressive Loading and needs similar for other, the present invention is equally applicable.
Brief description of the drawings
Fig. 1 is a kind of typical two power member structure in existing Multi-link suspension;
Fig. 2 is the structure chart of the two power rod member test-beds that one embodiment of the invention is provided;
Fig. 3 is two power rod member test-bed its constraint principles figure of embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of two power rod member test-bed its middle contiguous block that one embodiment of the invention is provided;
Fig. 5 is the partial sectional view of Fig. 4;
Fig. 6 is the structural representation of two power rod member test-bed its first swing rod contiguous block that one embodiment of the invention is provided Figure;
Fig. 7 is the structural representation of two power rod member test-bed its guiding mechanism that one embodiment of the invention is provided;
Fig. 8 is two power rod member test-bed its constraint principles figure that another embodiment of the present invention is provided.
Reference in specification is as follows:
10th, two power rod member to be measured;The first end of 10a, two power rod member to be measured;Second end of 10b, two power rod member to be measured;1、 Reaction frame;2nd, the first loading actuator;3rd, guiding mechanism body;31st, base plate;32nd, linear bearing;4th, guiding mechanism fixed mount; 5th, swing mechanism;51st, portal frame;511st, column;512nd, crossbeam;52nd, the second loading actuator;53rd, the first fixed mount;531st, two Row's screwed hole;54th, the second fixed mount;55th, the first swing rod;56th, the first swing rod contiguous block;561st, the first articulated slab;562nd, first Connecting plate;563rd, screwed hole;57th, the second swing rod;58th, the second swing rod contiguous block;59th, middle contiguous block;591st, swing rod contiguous block; 5911st, the first swing rod connecting portion;5912nd, the second swing rod connecting portion;592nd, rod member contiguous block;5921st, vertical plate;5922nd, level Plate;593rd, the first oblique screwed hole;594th, the second oblique screwed hole;6th, fixation device;61st, train wheel bridge;62nd, lower plate;63rd, screw rod; 7th, upper junction plate;20th, the second loading actuator;30th, support frame;40th, sliding block.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with Drawings and Examples, are described in further detail to the present invention.It should be appreciated that specific embodiment described herein is only It is used to explain the present invention, is not intended to limit the present invention.
As shown in Figures 2 and 3, the two power rod member test-beds that one embodiment of the invention is provided, for two power bar to be measured Part is tested, and the two power rod member 10 to be measured has first end 10a and the second end 10b, the second of the two power rod member to be measured End 10b has pin-and-hole(Such as the 7a in Fig. 1), two power rod member test-beds include reaction frame 1, first load actuator 2, Guiding machine Structure and swing mechanism 5, one end of the first loading actuator 2 are connected with the reaction frame 1, the first loading actuator 2 The other end be connected with one end of the guiding mechanism, the other end of the guiding mechanism and the of the two power rod member 10 to be measured One end 10a is hinged, and the swing mechanism 5 is hinged with the second end 10b of the two power rod member 10 to be measured, and the swing mechanism 5 is used Make in a reversed load is provided when the described first loading actuator is axially loaded to the first end 10a of the two power rod member to be measured Used in the first end 10a of the two power rod member to be measured, to cause described to be measured two while two power, 10 stand under load of rod member to be measured Second end 10b of power rod member swings around first end 10a.
In the present embodiment, as shown in Fig. 2 the swing mechanism 5 includes that portal frame 51, second loads actuator 52, first Fixed mount 53, the second fixed mount 54, the first swing rod 55, the first swing rod contiguous block 56, the second swing rod 57, the second swing rod contiguous block 58 And middle contiguous block 59, the portal frame 51 include two columns 511 being oppositely arranged and be connected to described two columns 511 it Between crossbeam 512, be provided with fixation device 6 on the crossbeam 512, the fixation device 6 include train wheel bridge 61, lower plate 62 with And many screw rods 63, one end of the second loading actuator 2 and the bulb hinged of lower plate 62 of the fixation device, described the The other end and the bulb hinged of middle contiguous block 59 of two loading actuator 2, train wheel bridge can be caused by tightening screw rod 63 61 are fastened on crossbeam 512 with lower plate 62, to realize the positioning of the second loading actuator 52;One end of first swing rod 55 It is connected with the middle contiguous block 59, the other end of first swing rod 55 is hinged with the first swing rod contiguous block 56, described One end of second swing rod 57 and the middle contiguous block 59 are connected, and the other end of second swing rod 57 connects with second swing rod Connect block 58 to be hinged, the first swing rod contiguous block 56 is connected with first fixed mount 53, the second swing rod contiguous block 58 with Second fixed mount 54 is connected.
In the present embodiment, column and crossbeam are welded by steel plate;On the premise of proof strength, rigidity, opened on column Rectangular opening is mitigating weight;Crossbeam is " work " word beam, and the relative two sides of two columns are provided with limited block, prevent crossbeam installation process In fall and personnel damaged suddenly.Crossbeam is adjustable with respect to two stem heights.In one embodiment, portal frame 51 its Highly it is 2.7m, span is 2.2m, and crossbeam adjustment height scope is 1.2m~2.5m.
In the present embodiment, as shown in Figures 4 and 5, the middle contiguous block 59 includes swing rod contiguous block 591 and is connected to institute The rod member contiguous block 592 of the side surface of swing rod contiguous block 591 1 is stated, the swing rod contiguous block 591 includes the first swing rod connecting portion 5911 and the second swing rod connecting portion 5912, the first oblique screwed hole 593 that the first swing rod connecting portion 5911 is provided through, institute The second oblique screwed hole 594 that the second swing rod connecting portion 5912 is provided through is stated, the rod member contiguous block 592 includes vertical plate 5921 and level board 5922, the vertical plate 5921 is provided with the first pin-and-hole 595, first pin-and-hole 595 and described to be measured two The pin-and-hole of the second end 10b of power rod member(Such as the 7a in Fig. 1)In be interspersed with bearing pin(Do not indicated in figure)So that two power to be measured The second end 10b and the middle contiguous block 59 of rod member are hinged, and the lower end bulb hinged of the second loading actuator 2 has upper company Fishplate bar 7, the level board 5922 and the bolt connection of the upper junction plate 7.
In the present embodiment, it is preferable that as shown in figure 1, being provided with T-shaped plate between the first loading actuator 2 and reaction frame 1 (Do not indicated in figure), T-slot is provided with one end and the T-shaped plate bulb hinged, with reaction frame 1 of the first loading actuator 2(In figure Do not indicate), first loads actuator 2 realizes the height adjustable on reaction frame 1 by the cooperation of T-shaped plate and T-slot(Pass through Bolt lock height), to better adapt to rod member to be measured;Weld reinforcing plate to improve its intensity in the back side of reaction frame 1.It is specific one In embodiment, the length and width and height of reaction frame 1 are respectively 450mm, 380mm and 1000mm.
So, the two ends of the first loading actuator 2 are connected with reaction frame 1 and guiding mechanism respectively by way of bulb hinged Connect, and the two ends of the second loading actuator 52 are connected with fixation device 6 and upper junction plate 7 respectively by way of bulb hinged, So that the first loading loading of actuator 2 and second actuator 52 is configured to two power rod members, the first loading start is effectively prevent The generation of moment of flexure and radial load in the loading actuator 52 of device 2 and second, realizes and the first loading loading of actuator 2 and second is made The protection of the sealing ring of dynamic device 52.
In the present embodiment, as shown in Fig. 2, Fig. 4 and Fig. 5, the first oblique screwed hole 593, the second oblique screwed hole 594, The axis of one pin-and-hole 595 and the second loading actuator 52 intersects at the pin-and-hole of the second end 10b of the two power rod member to be measured(Such as 7a in Fig. 1)Center, its intersection point is the O points shown in Fig. 5.So, two power rod member 10 to be measured can only be perpendicular where axis wherein Swing in straight plane, it is to avoid the beat of two power rod member 10 to be measured.
In the present embodiment, one end that first swing rod 55 is connected with the middle contiguous block 59 is provided with side along its length To the first screwed hole for extending(Do not indicated in figure), a stud sequentially pass through the first screw thread inclined hole 593 and the first screwed hole with will One end of first swing rod 55 is fixed on the first swing rod connecting portion 5911 of the middle contiguous block 59, second swing rod 57 one end being connected with the middle contiguous block 59 are provided with the second screwed hole for extending along its length(Do not indicated in figure), One stud sequentially pass through the second screw thread inclined hole 594 and the second screwed hole with by one end of second swing rod 57 be fixed on it is described in Between contiguous block 59 the second swing rod connecting portion 5912 on.
In the present embodiment, the other end of first swing rod 55 is provided with the first spherical plain bearing rod end(Do not indicated in figure), The other end of first swing rod 55 is hinged by first spherical plain bearing rod end with the first swing rod contiguous block 56, described The other end of the second swing rod 57 is provided with the second spherical plain bearing rod end(Do not indicated in figure), the other end of second swing rod 57 leads to Second spherical plain bearing rod end is crossed to be hinged with the second swing rod contiguous block 58.Preferably, first swing rod 55 and second The structure of swing rod 57 is identical, and the first swing rod contiguous block 56 is identical with the structure of the second swing rod contiguous block 58, first fixed mount 53 is identical with the structure of the second fixed mount 54.
In the present embodiment, as shown in 1 and Fig. 6, the first swing rod contiguous block 56 includes and the first rod end joint shaft Hold the first articulated slab 561 for being hinged and with bolted first connecting plate 562 of first fixed mount 53, first connection The both sides of plate 561 are provided with screwed hole 563, and first fixed mount 53 is provided with the screwed hole with the first connecting plate both sides 563 matchings and two row's screwed holes 531 from top to bottom.
In the present embodiment, the second swing rod contiguous block 58 is identical with the structure of the second swing rod contiguous block 56, and described second consolidates Determine frame 54 identical with the structure of the second fixed mount 53.That is, described second swing rod contiguous block 58 includes and the second rod end joint shaft Hold the second articulated slab for being hinged and with bolted second connecting plate of second fixed mount, the second connecting plate both sides set It is equipped with screwed hole, second fixed mount setting has and matched with the screwed hole of the second connecting plate both sides and from top to bottom two Row's screwed hole.
By two row's screwed holes 531 on the fixed mount 53 of screwed hole 563 and first on the first swing rod contiguous block 56 not Level cooperation, it is possible to achieve the setting height(from bottom) regulation of the first swing rod contiguous block 56.Similarly, by the second swing rod contiguous block 58 On screwed hole and the second fixed mount 54 on two row's screwed holes different height cooperation, it is possible to achieve the second swing rod contiguous block 58 setting height(from bottom) regulation.
In the present embodiment, the first swing rod 55 and the second swing rod 57 are connected by with the middle contiguous block 59, form one Rigid tripod, the axis of rotation of the tripod is the center company of the first spherical plain bearing rod end and the second spherical plain bearing rod end Line.
Adjust the angle of inclination of the line of centres of the first spherical plain bearing rod end and the second spherical plain bearing rod end, you can adjustment the The axis of rotation of the tripod that one swing rod 55 and the second swing rod 57 are constituted, and then adapt to the space of the two ends pin-and-hole of rod member 10 to be measured Angle.
In the present embodiment, as shown in Fig. 1 and Fig. 7, the guiding mechanism includes that guiding mechanism body 3 and guiding mechanism are fixed Frame 4, the guiding mechanism body 3 is fixed on the guiding mechanism fixed mount 4;The guiding mechanism body 3 includes base plate 31 And it is arranged on the linear bearing 32 on the base plate 31, one end of the linear bearing 32 and the described first loading ball of actuator 2 Head is hinged, the first end 10a bulb hingeds of the other end of the linear bearing 32 and the two power rod member to be measured, the base plate 31 With the bolt connection of guiding mechanism fixed mount 4.
In the present embodiment, guiding mechanism fixed mount 4, the first fixed mount 53 and the structure of the second fixed mount 54 are similar to, and are casting Iron machined piece, centre is furnished with reinforcement, and two sides are machined with away the bolt hole that footpath is 18mm.In one embodiment, lead Size to institutions fixator 4, the first fixed mount 53 and the second fixed mount 54 is consistent, its length and width and it is high be respectively 200mm, 200mm and 900mm.Because guiding mechanism fixed mount 4, the first fixed mount 53 and the structure of the second fixed mount 54 are similar, so share One set of die, reduces manufacturing cost.
In the present embodiment, the first loading actuator 2 and second loading actuator 52 is that hydraulic actuator or air pressure are made Dynamic device.Preferably hydraulic actuator.
The constraint principles of the present embodiment are as shown in figure 3, for the first loading actuator, guiding mechanism, the first swing rod, second The spatial movement mechanism that swing rod, two power rod member to be measured, middle contiguous block and second loading actuator this 7 parts are collectively constituted, The computing formula of its free degree is
The constraint number that all movable part frees degree of free degree P=-all kinematic pairs are introduced, i.e.,:
P=6n-5P5-4P4-3P3-2P2-P1-K;
N represents that the quantity of all movable parts, i.e. n are equal to 7, P5Represent the kinematic pair quantity for introducing 5 constraints, P4Represent Introduce 4 kinematic pair quantity of constraint, P3、P2And P1The rest may be inferred.K is isolated degree of freedom's number.The introduced pact of various kinematic pairs Beam number refers to existing relevant technical literature.It is not described in detail in the present invention.
Thus, the two power rod member test-beds of the above embodiment of the present invention can be obtained, its free degree is:
P=6x7-5x1-4x3-3x6-2x0-0-6=1;
Calculated more than, the motion(Two power rod member test-beds)Need to only be transported under a drive for driving link It is dynamic just to can determine that, i.e., the first end 10a of two power rod member to be measured is applied under the operating mode of certain load in the first loading actuator 2, Second loading actuator drives what swing rod was constituted around the line of centres of the first spherical plain bearing rod end and the second spherical plain bearing rod end Axis of rotation Z rotates, and the first end 10a of two power rod members is by stand under load, while its second end 10b is with the first swing rod 55 and the second swing rod 57 swing and swing.
The operation principle of the above embodiment of the present invention is as follows:
First loading actuator 2 is axially loaded to the first end 10a of two power rod member to be measured by guiding mechanism body 3, together When the second loading actuator 52 second end 10b of two power rod member to be measured is loaded downwards, so as to provide the effect of reversed load In the first end 10a of two power rod member to be measured, the first end 10a of two power rod members loads the axial load that actuator 2 is provided first And the second reversed load lower stand under load of effect that provides of loading actuator 52, in addition, under the active force of the second loading actuator 52, The tripod that first swing rod 55 and the second swing rod 57 are constituted is in the first spherical plain bearing rod end and the second spherical plain bearing rod end The axis of rotation Z that heart line is constituted swings, because the second end 10b of two power rod member to be measured is hinged with middle contiguous block 59 , and the first swing rod 55 and the second swing rod 57 are fixedly connected with middle contiguous block 59, thus the first swing rod 55 and second is put The swing of bar 57 is inevitable to be swung with the second end 10b for surveying two power rod members, so just simulates in two power rod member real works the The operating mode that one end 10a loadings, the second end 10b swing.
Two power rod member test-bed according to the above embodiment of the present invention, is additionally provided with for making in the described first loading Dynamic device provides that a reversed load acts on the two power rod member to be measured when axially loaded to the first end of two power rod member to be measured The swing mechanism of one end, second end of two power rod member to be measured is around first while with the first end stand under load for causing two power rod member to be measured End is swung, and one end loading, the operating mode of one end swing in two power rod member real works are so simulated at the trial, what experiment was obtained Endurance quality is consistent with the endurance quality after the actual entrucking of these two power rod members, and the confidence level of result of the test is higher, and checking is more Rationally effectively.In addition, the present invention is while the endurance quality of two power rod members is verified, two power rod member two ends of checking have been gone back simultaneously The endurance quality of bushing or ball pivot.Present invention is mainly applied to the swing rod member that automobile chassis suspension receives Tensile or Compressive Loading(Two power bars Part)Endurance quality experiment, certainly, similar for other by Tensile or Compressive Loading and to need the rod member for swinging, the present invention is similarly fitted With.
In addition, as shown in figure 8, two power rod member test-bed its constraint principles figure provided for another embodiment of the present invention. With Fig. 2 and embodiment illustrated in fig. 3 difference is to present embodiments provide another form of swing mechanism, the swing Mechanism includes the second loading actuator 20, portal frame(Gantry frame structure with embodiment illustrated in fig. 2 is identical), support frame 30 and sliding Block 40, the second loading actuator 20 is arranged on the portal frame, and the portal frame includes two columns being oppositely arranged And the crossbeam between described two columns is connected to, fixation device, the second loading actuator 20 are provided with the crossbeam One end and the fixation device bulb hinged, it is described second loading actuator 20 the other end and the bulb of the sliding block 40 hinge Connect, slide rail is provided with support frame as described above 30, the chute coordinated with the slide rail, two power to be measured are provided with the sliding block Second end 10b and the sliding block 40 of rod member are hinged.
In the configuration shown in fig. 8, with same method can be calculated the embodiment two power rod member test-beds its The free degree remains as 1, the motion(Two power rod member test-beds)Need to only be moved under a drive for driving link just can be really It is fixed, it is seen then that the first end 10a of two power rod member to be measured to be applied under the operating mode of certain load in the first loading actuator 2, second Loading actuator 20 drives sliding block 40 to move, and the first end 10a of two power rod members is by stand under load, while its second end 10b is with sliding block 40 slide up and down and swing.
The operation principle of embodiment illustrated in fig. 8 of the present invention is as follows:
First loading actuator 2 is axially loaded to the first end 10a of two power rod member to be measured by guiding mechanism body 3, together When the second loading actuator 20 second end 10b of two power rod member to be measured is loaded downwards, so as to provide the effect of reversed load In the first end 10a of two power rod member to be measured, the first end 10a of two power rod members loads the axial load that actuator 2 is provided first And the second reversed load lower stand under load of effect that provides of loading actuator 20, in addition, under the active force of the second loading actuator 20, Sliding block 40 is slided up and down along support frame 30, because the second end 10b and the sliding block 40 of two power rod member to be measured are hinged, such sliding block 40 slide up and down necessarily drives the second end 10b of two power rod member to be measured to be swung around its first end 10a, so just simulates two power The operating mode that first end 10a loadings, the second end 10b swing in rod member real work.
Relative to the embodiment shown in Fig. 2, the two power rod member test-bed structures that the present embodiment is provided are more simple, zero Part is less.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of two power rod member test-bed, for testing two power rod member to be measured, the two power rod member to be measured has the One end and the second end, the second end of the two power rod member to be measured have pin-and-hole, it is characterised in that the two power rod member test-bed Including reaction frame, the first loading actuator, guiding mechanism and swing mechanism, one end of the first loading actuator is anti-with described Power frame connect, it is described first loading actuator the other end be connected with one end of the guiding mechanism, the guiding mechanism it is another One end is hinged with the first end of the two power rod member to be measured, and the swing mechanism cuts with scissors with the second end of the two power rod member to be measured Connect, the swing mechanism is used to be carried when the described first loading actuator is axially loaded to the first end of the two power rod member to be measured The first end of the two power rod member to be measured is acted on for a reversed load, to cause the first end stand under load of the two power rod member to be measured While the two power rod member to be measured the second end around first end swing.
2. two power rod member test-bed according to claim 1, it is characterised in that the swing mechanism include portal frame, Second loading actuator, the first fixed mount, the second fixed mount, the first swing rod, the first swing rod contiguous block, the second swing rod, the second pendulum Bar contiguous block and middle contiguous block, the portal frame include two columns being oppositely arranged and are connected between described two columns Crossbeam, be provided with fixation device on the crossbeam, one end of the second loading actuator is cut with scissors with the fixation device bulb Connect, described second loads the other end and the middle contiguous block bulb hinged, one end of first swing rod and the institute of actuator Middle contiguous block connection is stated, the other end of first swing rod is hinged with the first swing rod contiguous block, second swing rod One end and middle contiguous block connection, the other end of second swing rod are hinged with the second swing rod contiguous block, and described the One swing rod contiguous block is connected with first fixed mount, and the second swing rod contiguous block is connected with second fixed mount.
3. two power rod member test-bed according to claim 2, it is characterised in that the middle contiguous block includes that swing rod connects Connect block and be connected to the rod member contiguous block of the side surface of swing rod contiguous block one, the swing rod contiguous block is connected including the first swing rod Portion and the second swing rod connecting portion, the first oblique screwed hole that the first swing rod connecting portion is provided through, second swing rod connect The second oblique screwed hole that socket part is provided through, the rod member contiguous block includes vertical plate and level board, and the vertical plate is set There is the first pin-and-hole, bearing pin is interspersed with so that described treat in first pin-and-hole and the pin-and-hole at the second end of the two power rod member to be measured The second end and the middle contiguous block for surveying two power rod members are hinged, and the lower end bulb hinged of the second loading actuator has upper company Fishplate bar, the level board and the upper junction plate bolt connection.
4. two power rod member test-bed according to claim 3, it is characterised in that the first oblique screwed hole, second oblique In the pin-and-hole at the second end that the axis of screwed hole, the first pin-and-hole and the second loading actuator intersects at the two power rod member to be measured The heart.
5. two power rod member test-bed according to claim 3, it is characterised in that first swing rod and the centre connect The one end for connecing block connection is provided with the first screwed hole, and a stud sequentially passes through the first screw thread inclined hole and the first screwed hole with by described in One end of first swing rod is fixed on the first swing rod connecting portion of the middle contiguous block, and second swing rod and the centre connect The one end for connecing block connection is provided with the second screwed hole, and a stud sequentially passes through the second screw thread inclined hole and the second screwed hole with by described in One end of second swing rod is fixed on the second swing rod connecting portion of the middle contiguous block.
6. two power rod member test-bed according to claim 5, it is characterised in that the other end of first swing rod is set The other end for having the first spherical plain bearing rod end, first swing rod passes through first spherical plain bearing rod end and first swing rod Contiguous block is hinged, and the other end of second swing rod is provided with the second spherical plain bearing rod end, and the other end of second swing rod leads to Second spherical plain bearing rod end is crossed to be hinged with the second swing rod contiguous block.
7. two power rod member test-bed according to claim 6, it is characterised in that the first swing rod contiguous block include with The first articulated slab that first spherical plain bearing rod end is hinged and with bolted first connecting plate of first fixed mount, institute State the first connecting plate both sides and be provided with screwed hole, first fixed mount setting has the screwed hole with the first connecting plate both sides Matching and two row's screwed holes from top to bottom;The second swing rod contiguous block includes being hinged with second spherical plain bearing rod end Second articulated slab and with bolted second connecting plate of second fixed mount, the second connecting plate both sides are provided with screw thread Hole, second fixed mount setting has and is matched with the screwed hole of the second connecting plate both sides and two row's screw threads from top to bottom Hole.
8. two power rod member test-bed according to claim 1, it is characterised in that the swing mechanism includes the second loading Actuator, portal frame, support frame and sliding block, the second loading actuator are arranged on the portal frame, the portal frame bag Two columns being oppositely arranged and the crossbeam being connected between described two columns are included, fixation device are provided with the crossbeam, One end of the second loading actuator and the fixation device bulb hinged, the other end of the second loading actuator and institute Sliding block bulb hinged is stated, slide rail is provided with support frame as described above, the chute coordinated with the slide rail, institute are provided with the sliding block The second end and the sliding block for stating two power rod member to be measured are hinged.
9. two power rod member test-beds according to claim 1 to 8 any one, it is characterised in that the guiding mechanism Including guiding mechanism body and guiding mechanism fixed mount, the guiding mechanism body is fixed on the guiding mechanism fixed mount.
10. two power rod member test-bed according to claim 9, it is characterised in that the guiding mechanism body includes bottom Cut with scissors with the described first loading actuator bulb plate and the linear bearing being arranged on the base plate, one end of the linear bearing Connect, the first end bulb hinged of the other end of the linear bearing and the two power rod member to be measured, the base plate and the guiding Institutions fixator bolt connection.
CN201310653015.3A 2013-12-04 2013-12-04 Two power rod member test-beds Active CN104697758B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334042B (en) * 2015-12-08 2017-09-29 济南瑞晟机械有限公司 A kind of electro-hydraulic servo turns to ball pivot fatigue tester
CN105466764B (en) * 2016-01-11 2019-01-18 北京汽车研究总院有限公司 A kind of counter-force supporting structure
CN105606452B (en) * 2016-03-04 2018-02-09 国机集团北京飞机强度研究所有限公司 The power rod member outfield load calibration of aircraft two/strength test portable unit
CN106289801A (en) * 2016-08-04 2017-01-04 浙江吉利控股集团有限公司 A kind of multifunctional automobile chassis parts testing stand
CN106441857A (en) * 2016-11-29 2017-02-22 中国直升机设计研究所 Fatigue testing apparatus for mounting joint of damper post of main gear
CN108303266A (en) * 2018-01-12 2018-07-20 浙江零跑科技有限公司 A kind of fore sub frame endurance test simulation control arm configuration
CN110530655A (en) * 2018-05-25 2019-12-03 广州汽车集团股份有限公司 A kind of combined type torsion beam experimental rig

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1301818B1 (en) * 2000-04-25 2005-12-28 ASML Holding N.V. Apparatus for active compensation of aberrations in an optical system
CN2901278Y (en) * 2006-05-12 2007-05-16 上海工程技术大学 Analogue test table frame for automobile front axle rocking arm dynamic strength durability
CN103018032A (en) * 2012-12-21 2013-04-03 清华大学 Fatigue testing machine for lifetime measurement of cantilever parts
CN203672600U (en) * 2013-12-04 2014-06-25 广州汽车集团股份有限公司 Two-force rod test bench

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070186673A1 (en) * 2006-01-27 2007-08-16 The Quaker Oats Company Food bar fragility tester

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1301818B1 (en) * 2000-04-25 2005-12-28 ASML Holding N.V. Apparatus for active compensation of aberrations in an optical system
CN2901278Y (en) * 2006-05-12 2007-05-16 上海工程技术大学 Analogue test table frame for automobile front axle rocking arm dynamic strength durability
CN103018032A (en) * 2012-12-21 2013-04-03 清华大学 Fatigue testing machine for lifetime measurement of cantilever parts
CN203672600U (en) * 2013-12-04 2014-06-25 广州汽车集团股份有限公司 Two-force rod test bench

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
二力杆原理在加载试验中的巧妙运用;牛永进 等;《航天制造技术》;20101231(第6期);第37-39页 *
随机因素影响下二力杆结构的蠕变损伤问题;刘长虹 等;《上海工程技术大学学报》;20081231;第22卷(第4期);第307-309页 *

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