CN209264232U - A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform - Google Patents
A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform Download PDFInfo
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Abstract
The utility model discloses a kind of suspension string fitting wind excited vibration Wearing Simulated Test platforms.The technical solution adopted in the utility model includes pedestal, and the pedestal is equipped with the swinging end positioned at left side, positioned at the fixing end on right side and positioned at suspension string fitting between the two；A support frame is equipped between the swinging end and fixing end, the left and right side on the support frame top is respectively equipped with an XY axis motion-activated platform；The trunnion hanging panel of suspension string fitting is placed in support frame, it is connected on the XY axis motion-activated platform on support frame left and right side positioned at the both ends of the axis on trunnion hanging panel top, makees the movement of X-direction and Y direction by XY axis motion-activated platform driving suspension string fitting；Vibration-measuring sensor is housed on the XY axis motion-activated platform.The utility model can be achieved at the same time transmission pressure and significantly swing and the simulation of aeolian vibration, and be able to achieve the simulation of a variety of vibration frequencies and amplitude.
Description
Technical field
The utility model relates to suspension string fitting experimental rig, specifically a kind of suspension string fitting wind excited vibration mill
Damage analogue test platform.
Background technique
Suspension string fitting, using extensively, is generally used for connection electric power pylon and conducting wire in overhead power line.A kind of list
Connection two-wire folder suspension string fitting be made of trunnion hanging panel, right angle hanging plate, yoke plate, preformed double suspension clamps, each adjacent parts it
Between connected by bolt and nut, the trunnion hanging panel other end is mounted on the hanging point tower material angle steel on electric power pylon, preformed double outstanding
Vertical line folder is connect with conducting wire.In actual installation operational process, in suspension string fitting between suspension clamp and tower material of iron tower away from
It is smaller from generally.
Under wind incentive action, conducting wire, fitting etc. can generate certain vibratory response in transmission line of electricity, such as the low frequency of conducting wire
Significantly swing back and forth.And when wind excitation acts on transmission line of electricity element continuous and stablely, it will generate various forms of
It vibrates and will form charming appearance and behaviour disaster when these vibrations reache a certain level.According to the difference of frequency and amplitude, transmission pressure
Wind-induced vibration is broadly divided into three kinds: the subspan oscillation of width and low frequency large amplitude in high frequency aeolian vibration a little, intermediate frequency
It waves.Three kinds of vibrations can all damage transmission line of electricity element, and wherein aeolian vibration occurs the most frequently, endangers maximum, meeting
Cause the fatigue of transmission pressure or ground wire stranded or the damage of broken string, fitting and shaft tower component.Aeolian vibration frequency is higher, generally
For 5-120Hz.
Therefore, under wind incentive action, different degrees of swing can occur for suspension string fitting and conducting wire, cause suspension string golden
Hanging plate and suspension clamp in tool are likely to mutually touch with tower material of iron tower, cause the mill of hanging plate, suspension clamp and tower material of iron tower
Damage, to threaten the safe and stable operation of transmission line of electricity.In particular with China transfer electricity from the west to the east implementation, approach Inner Mongol,
The transmission line of electricity in the area that the natural winds wind-force such as Xinjiang, Gansu and Ningxia is big and the duration is long is more and more, conducting wire and pendency
The wind excited vibration phenomenon of string fitting is more serious and frequent, and the wear problem of hardware string and tower material is also more serious, and once
Huge economic loss and unfavorable social influence will be will cause because fitting wears generation rupture failure.
In view of the above-mentioned problems, although suspension string hardware fitting structure has been directed in engineering, tower material structure has made some improvements,
It does not study fundamentally, solve the problems, such as wear-out failure.Therefore, it is necessary to the wind load feature in region is crossed over according to transmission line of electricity,
It analyzes the wearing character of suspension string fitting and studies its Prevention Technique, improve the structure of suspension string fitting, develop wear-resistant
Suspension string fitting wear problem is mitigated or eliminated in fitting, to improve route operational reliability.
Utility model content
Technical problem to be solved in the utility model is to overcome the problems of the above-mentioned prior art, provides a kind of structure
Simply, suspension string fitting wind excited vibration Wearing Simulated Test platform easy to use can transmit electricity in transmission line simulation and lead
Line low frequency is significantly swung and the aeolian vibration of frequency low-amplitude, to be the wind excited vibration Research on Wear Characteristics of suspension string fitting
It is convenient to provide.
For this purpose, the utility model adopts the following technical solutions: a kind of suspension string fitting wind excited vibration wear simulation tries
Platform, including pedestal are tested, the pedestal is equipped with the swinging end positioned at left side, the fixing end positioned at right side and is located at the two
Between suspension string fitting；
The swinging end is for driving transmission pressure to swing, so that the vibration of transmission pressure under wind incentive action is simulated,
Fixing end then is used to fix the other end of transmission pressure；
The suspension string fitting includes that the trunnion hanging panel being arranged from top to bottom, right angle hanging plate, yoke plate and preformed pair are outstanding
Vertical line folder, the trunnion hanging panel connects with right angle hanging plate axis, and the right angle hanging plate connects with yoke plate axis, the yoke plate with it is preformed
The double suspension clamp axis of formula connect, and preformed double suspension clamps are for being clipped in transmission pressure；
A support frame is equipped between the swinging end and fixing end, the left and right side on the support frame top is respectively equipped with one
XY axis motion-activated platform；The trunnion hanging panel is placed in support frame, and the both ends positioned at the axis on trunnion hanging panel top connect respectively
It connects on the XY axis motion-activated platform on support frame left and right side, suspension string fitting is driven by XY axis motion-activated platform
Make the movement of X-direction and Y direction；
Vibration-measuring sensor is housed, vibration-measuring sensor is for detecting X-direction and Y-axis on the XY axis motion-activated platform
The displacement vibration amount exported on direction.
Supplement as above-mentioned technical proposal, the XY axis motion-activated platform includes being fixed on support frame side
XY axis motion-activated platform backing plate and the XY axis motion-activated platform workbench being fixed on XY axis motion-activated platform backing plate；
The XY axis motion-activated platform workbench includes periphery, inner ring and positioned at intermediate mass between the two, described
Periphery and intermediate mass between there are gap, with guarantee intermediate mass can opposite peripheral do thin tail sheep movement；Intermediate mass and inner ring it
Between there are gap, with guarantee inner ring can opposite intermediate mass do thin tail sheep movement；And periphery and intermediate mass between and intermediate mass with it is interior
It is all made of flexible connecting member connection between circle, so that inner ring and intermediate mass is linked, it is flat that the periphery is fixed on XY axis motion-activated
On cushion plate, the end of the axis on the trunnion hanging panel top is connected on inner ring；
At least one X-axis piezoelectric actuator is equipped between the periphery and intermediate mass, for pushing intermediate mass to make X-axis side
Upward movement drives inner ring to make the movement in X-direction indirectly；At least one Y is equipped between the intermediate mass and inner ring
Axis piezoelectric actuator, for pushing inner ring to make the movement in Y direction.
Supplement as above-mentioned technical proposal, the flexible connecting member between intermediate mass and inner ring have 4, set up separately four
On a angle；The groove for placing Y-axis piezoelectric actuator is provided on the intermediate mass, which is located at two flexible connecting members
Between.
Supplement as above-mentioned technical proposal, the flexible connecting member between periphery and intermediate mass have 4, set up separately four
On a angle；It is described it is outer place the groove being provided with for placing X-axis piezoelectric actuator, the groove be located at two flexible connecting members it
Between.
Supplement as above-mentioned technical proposal, the flexible connecting member are flexible hinge.
Supplement as above-mentioned technical proposal, the swinging end include swinging end bottom plate, servo motor, for the company of fastening
It connects the swinging end parallel groove clamp component of transmission pressure side and swings end terminal fixed plate；The output shaft of servo motor is equipped with elasticity
Diaphragm coupling is equipped between flexible sheet shaft coupling and swing end terminal fixed plate to core type slider-crank mechanism, by watching
Take movement of the rotation realization of motor to core type slider-crank mechanism.
Supplement as above-mentioned technical proposal, it is described to core type slider-crank mechanism include rotating disk, rod slide seat,
Connecting rod, square bearing of usheing to seat, flange sliding block axis, swinging end slide plate and line slide rail component；
The rotating disk is connect in stepped shaft end with flexible sheet shaft coupling, and the disk side of rotating disk is provided with groove milling and more
The group threaded hole symmetrical by set distance is used in disk side by groove milling and one group of threaded hole and rod slide seat side
It is bolted, the two sides of connecting rod are connected with rod slide seat and flange sliding block axis respectively by square bearing of usheing to seat, flange sliding block
Axis is bolted to connection in swinging end slide plate；Swinging end slide plate is fixedly connected with line slide rail component, in formation
It states to " sliding block " in core type slider-crank mechanism；
Equipped with thick vertical plate is supported on the swinging end bottom plate, a guide-track groove is formed at the top of the support thickness vertical plate side,
The guide-track groove is used to install the line slide rail component.
Supplement as above-mentioned technical proposal, the swinging end further include screw rodb base and screw rod, and line bar seat passes through bolt
It is connected and fixed on the base；Screw rod passes through the threaded hole on screw rodb base, and side is held out against on supporting thick vertical plate.
Supplement as above-mentioned technical proposal, the fixing end include sensor support riser, load cell, sensing
Device baffle, spring stop, die springs, spring floating plate, fixed end terminal fixed plate, fixing end parallel groove clamp component, fixation
Hold slide plate, fixing end line slide rail component, fixing end bottom plate, cylinder guide rod, linear bearing, cylinder guide rod fixing piece；
The fixing end bottom plate, which is bolted, to be fixed on the base, and fixing end bottom plate is machined with groove milling, to pacify
Fill sensor support riser and fixing end line slide rail component；
The sensor support riser, which is bolted, to be fixed on the base, is equipped on sensor support riser logical
Hole, installation load cell is bolted, then benefit is fixed by bolts to sensor gear for the other side of load cell
It is further fixed on cylinder guide rod fixing piece on plate, in sensor bezel, is bolted between sensor bezel and spring stop
Connection；
The die springs two sides are separately fixed in the cylindrical deep gouge on spring stop and spring floating plate, spring
Float plate, which is bolted, to be fixed in fixing end slide plate；
The cylinder guide rod side is fastened by cylinder guide rod fixing piece, and passes through through-hole, mold on spring stop
Through-hole on spring bores, spring floating plate, the other side are mounted on spring floating plate by linear bearing support；
The fixing end slide plate is equipped with counterbore, is bolted and is connected with fixing end line slide rail component, relatively
Fixing end bottom plate horizontally slips, and fixed end terminal fixed plate is also equipped in fixing end slide plate；
The fixing end parallel groove clamp component, which is bolted, to be fixed in fixed end terminal fixed plate, to fasten
Transmission pressure.
Supplement as above-mentioned technical proposal, the pedestal are located at platform floor both ends by platform floor and two
Cast iron platform composition, swinging end and fixing end be separately mounted on corresponding cast iron platform, and support frame is mounted on platform floor
On；The support frame is height-adjustable support frame.
The utility model has the advantage that as follows:
1, compact-sized, transmission pressure can be achieved at the same time and significantly swing and the simulation of aeolian vibration, and be able to achieve a variety of
The simulation of vibration frequency and amplitude, it is easy to use.
2, XY axis motion-activated platform and TT&C system can guarantee the displacement output of degree of precision, realize more accurate micro-
Wind vibration simulation；
3, adaptable, by the wear-resisting property for being highly available for different model size suspension string fitting for adjusting support frame
Test and evaluation.
Detailed description of the invention
Fig. 1 is a kind of simply connected two-wire folder suspension string hardware fitting structure schematic diagram (Fig. 1 b in specific embodiment of the present invention
For the side view of Fig. 1 a)；
Fig. 2 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
Overall structure diagram；
Fig. 3 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
Front view；
Fig. 4 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
The left view splitted along the face A-A；
Fig. 5 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
The partial sectional view of support frame；
Fig. 6 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
(Fig. 6 b is the left view of Fig. 6 a to view on middle three directions of XY axis motion-activated platform structure, and Fig. 6 c is the backsight of Fig. 6 a
Figure)；
Fig. 7 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
The concrete structure schematic diagram of middle XY axis motion-activated platform backing plate；
Fig. 8 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
The concrete structure schematic diagram of middle XY axis motion-activated platform workbench；
Fig. 9 is a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform in specific embodiment of the present invention
The working principle schematic diagram of middle XY axis motion-activated platform workbench TT&C system；
Figure 10 is the structural schematic diagram of swinging end in specific embodiment of the present invention.
In figure, 1- platform floor, 2- screw rod, 3- screw rodb base, 4- cast iron platform, 5- swinging end bottom plate, 6- motor mounting plate,
7- servo motor, 8- flexible sheet shaft coupling, 9- support thick vertical plate, 10- rotating disk, 11- rod slide seat, 12- connecting rod, 13-
Linear slide component, 14- swinging end slide plate, 15- swing end terminal fixed plate, 16- swinging end parallel groove clamp component, 17- are defeated
Electric lead, 18- support frame, 19-XY axis motion-activated platform backing plate, 20-XY axis motion-activated platform workbench, 21- suspension string
Fitting, 22- fixing end parallel groove clamp component, the fixed end terminal fixed plate of 23-, 24- fixing end slide plate, 25- fixing end straight line
Slide track component, 26- fixing end bottom plate, 27- spring stop, 28- cylinder guide rod, 29- spring floating plate, 30- load cell,
31- sensor support riser, 32- sensor bezel, 33- die springs, 34- linear bearing, 35- cylinder guide rod fixing piece, 36-
It ushers to seat square bearing, 37- flange sliding axle, the periphery 202-, 203- inner ring, 204- intermediate mass, 205- flexible connecting member, 206-X
Axis piezoelectric actuator, 207-Y axis piezoelectric actuator, 211- trunnion hanging panel, the right angle 212- hanging plate, 213- yoke plate, 214- are preformed
Double suspension clamps, 215- axis.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Fig. 2, a kind of suspension string fitting wind excited vibration Wearing Simulated Test platform, by being located at the pendulum on the left of pedestal
Moved end, the support frame among pedestal, the fixing end three parts composition on the right side of pedestal, pedestal is by platform floor and two
It is located at the cast iron platform composition at platform floor both ends, and swinging end, fixing end pass through a cast iron platform 4 respectively and be mounted on
On platform floor 1, support frame is directly connected with platform floor 1.Fixing end fixes 17 side of transmission pressure, and swinging end is with certain frequency
Rate and amplitude drive 17 side of transmission pressure and suspension string fitting 21 significantly to swing, and pass through the XY axis motion-activated on support frame
Platform applies the small amplitude excitations of certain high frequency to suspension string fitting 21, to simulate overhead power transmission conducting wire under wind incentive action
And significantly swing and the aeolian vibration superposed thereon of suspension string fitting.
As shown in Figure 2,3, the swinging end includes swinging end bottom plate 5, servo motor 7, leads for being fastenedly connected transmission of electricity
The swinging end parallel groove clamp component 16 of line side swings end terminal fixed plate 15, screw rodb base 3 and screw rod 2；Servo motor 7 it is defeated
Shaft is equipped with flexible sheet shaft coupling 8, is equipped between flexible sheet shaft coupling 8 and swing end terminal fixed plate 15 to core type crank
Slide block mechanism, servo motor 7 is driven by flexible sheet shaft coupling 8 and is moved to core type slider-crank mechanism, to realize transmission of electricity
The swing of conducting wire 17 in the X-axis direction.
As shown in Figure 10, it is described to core type slider-crank mechanism include rotating disk 10, rod slide seat 11, connecting rod 12,
It ushers to seat square bearing 36, flange sliding block axis 37, swinging end slide plate 14 and line slide rail component 13；
The rotating disk 10 is connect in stepped shaft end with flexible sheet shaft coupling 8, and the disk side of rotating disk 10 is provided with milling
Slot and multiple groups press the symmetrical threaded hole of set distance, pass through groove milling and one group of threaded hole and rod slide seat 11 in disk side
Side is connected by screw bolts, the two sides of connecting rod 12 by usher to seat square bearing 36 respectively with rod slide seat 11 and flange sliding block axis
37 are connected, and flange sliding block axis 37 is bolted to connection in swinging end slide plate 14；Swinging end slide plate 14 and straight line are sliding
Rail assembly 13 is fixedly connected, and forms above-mentioned " sliding block " in core type slider-crank mechanism.
Equipped with thick vertical plate 9 is supported on the swinging end bottom plate 5, a guide rail is formed at the top of 9 side of support thickness vertical plate
Slot, the guide-track groove are used to install the line slide rail component 13.The kidney slot processed on swinging end bottom plate 5 can change
Position on cast iron platform 4.
It is mounted on cast iron platform 4 by the screw rod regulating mechanism that screw rod 2, screw rodb base 3 form, line bar seat 3 is connected by bolt
It connects and fixes on the base；Screw rod 2 passes through the threaded hole on screw rodb base 3, and side is held out against on supporting thick vertical plate 9.By adjusting silk
Bar 2 can change the position of swinging end bottom plate 5 and other components mounted thereto relative to cast iron platform 4, to be adjusted defeated
The tensile force of electric lead 17.
As shown in Figure 2,3, 4, the fixing end includes sensor support riser 31, load cell 30, sensor gear
Plate 32, spring stop 27, die springs 33, spring floating plate 29, fixed end terminal fixed plate 23, fixing end parallel groove clamp component
22, fixing end slide plate 24, fixing end line slide rail component 25, fixing end bottom plate 26, cylinder guide rod 28, linear bearing 34, circle
Column guide rod fixing piece 35；
The fixing end bottom plate 26, which is bolted, to be fixed on the base, and fixing end bottom plate 26 is machined with groove milling, uses
To install sensor support riser 31 and fixing end line slide rail component 25；
The sensor support riser 31, which is bolted, to be fixed on the base, is equipped on sensor support riser 31
Through-hole, installation load cell 30 is bolted, then benefit is fixed by bolts to biography for the other side of load cell 30
On sensor baffle 32, cylinder guide rod fixing piece 35, sensor bezel 32 and spring stop 27 are further fixed in sensor bezel 32
Between be bolted to connection；
33 two sides of die springs are separately fixed at the cylindrical deep gouge on spring stop 27 and spring floating plate 29
In, spring floating plate 29, which is bolted, to be fixed in fixing end slide plate 24；
28 side of cylinder guide rod is fastened by cylinder guide rod fixing piece 35, and is passed through logical on spring stop 27
Hole, 33 inner hole of die springs, the through-hole on spring floating plate 29, the other side are mounted on spring floating by the support of linear bearing 34
On plate 29；
The fixing end slide plate 24 is equipped with counterbore, is bolted and is connected with fixing end line slide rail component 25,
Relatively fixed end bottom plate 26 horizontally slips, and fixed end terminal fixed plate 23 is also equipped in fixing end slide plate 24；
The fixing end parallel groove clamp component 22, which is bolted, to be fixed in fixed end terminal fixed plate 23, to
Fasten transmission pressure 17.
Fixing end slide plate 24 is connect by fixing end line slide rail component 25 with fixing end bottom plate 26, guarantees that it can be in Z
It is moved in axis direction, its motion range in the Z-axis direction is limited by cylinder guide rod 28, so that it is guaranteed that transmission pressure 17 and solid
Fixed end is not perfect rigidity connection.
As shown in Figure 2,3, 4, support frame 18 is equipped between the swinging end and fixing end, 18 top of support frame
Left and right side is respectively equipped with an XY axis motion-activated platform；The trunnion hanging panel 211 is placed in support frame 18, is located at trunnion and is hung
The both ends of the axis 215 on plate top are connected on the XY axis motion-activated platform on 18 left and right side of support frame, pass through XY axis
Motion-activated platform driving suspension string fitting makees the movement of X-direction and Y direction.
Vibration-measuring sensor is housed, vibration-measuring sensor is for detecting X-direction and Y-axis on the XY axis motion-activated platform
The displacement vibration amount exported on direction；The vibration-measuring sensor is connect with the TT&C system of XY axis motion-activated platform.
As shown in figs 6-8, the XY axis motion-activated platform includes that the XY axis movement being fixed on support frame side swashs
The XY axis motion-activated platform workbench 20 encouraging platform backing plate 19 and being fixed on XY axis motion-activated platform backing plate；The XY
Axis motion-activated platform workbench 20 is including periphery 202, inner ring 203 and positioned at intermediate mass 204 between the two, the periphery
The gap that 204 opposite peripheral of intermediate mass can be made to do thin tail sheep movement, the intermediate mass 204 are equipped between 202 and intermediate mass 204
Between inner ring 203 be equipped with can make inner ring 203 with respect to intermediate mass do thin tail sheep movement gap, periphery 202 with intermediate mass 204 it
Between and intermediate mass 204 and inner ring 203 between be all made of the connection of flexible connecting member 205, so that inner ring 203 and intermediate mass 204 is linked, institute
The flexible connecting member 205 stated is flexible hinge.A degree of flexible deformation can occur under force for flexible hinge, generate
Displacement, be equivalent to displacement transmitting effect guide rail, have many advantages, such as gapless, without rub, exempt from lubricate.
The periphery 202 is fixed on XY axis motion-activated platform backing plate 19, the axis 215 on the trunnion hanging panel top
End is connected on inner ring 203.
At least one X-axis piezoelectric actuator 206 is equipped between the periphery 202 and intermediate mass 204, for pushing centre
Block 204 makees the movement in X-direction, drives inner ring 203 to make the movement in X-direction indirectly；The intermediate mass 204 and inner ring
At least one Y-axis piezoelectric actuator 207 is equipped between 203, for pushing inner ring 203 to make the movement in Y direction.
Flexible connecting member 205 between intermediate mass 204 and inner ring 203 has 4, sets up separately on four angles；Described
The groove for placing Y-axis piezoelectric actuator 207 is provided on intermediate mass 204, which is located between two flexible connecting members.
Flexible connecting member 205 between periphery 202 and intermediate mass 204 has 4, sets up separately on four angles；Described
The groove for placing X-axis piezoelectric actuator 206 is provided on periphery 202, which is located between two flexible connecting members.
As shown in Figure 1, the suspension string fitting 21 includes trunnion hanging panel 211, the right angle hanging plate being arranged from top to bottom
212, yoke plate 213 and preformed double suspension clamps 214, the trunnion hanging panel 211 connect with 212 axis of right angle hanging plate, and described is straight
Angle hanging plate 212 connects with 213 axis of yoke plate, and the yoke plate 213 connects with preformed double 214 axis of suspension clamp, and described is preformed double
Suspension clamp 214 is for being clipped in transmission pressure 17.
As shown in figure 5, the trunnion hanging panel 211 of suspension string fitting 21 is solid with it by the through-hole on XY axis motion-activated platform
Fixed connection.Preformed double suspension clamps 214 of suspension string fitting 21 are connect with transmission pressure 17.
The course of work of the utility model is as follows:
After installing transmission pressure 17 on fixing end parallel groove clamp component 22, transmission pressure 17 can only in the axial direction on
It is mobile.
By adjusting screw rod 2 make that thick vertical plate 9 is supported to move to left, so that swinging end bottom plate 5 and components thereon are therewith to the left
It is mobile, to make to generate certain pretightning force in transmission pressure 17.And fixation under the action of transmission pressure 17, in fixing end
End slide plate 24 moves along fixing end line slide rail component 25 and compresses the die springs 33 in cylinder guide rod 28, utilizes survey
Force snesor 30 would know that the size of pretightning force in current transmission pressure 17.Current 17 pretightning force of transmission pressure is adjusted until reaching
After test requirements document numerical value, the bolt for connecting swinging end bottom plate 5 Yu cast iron platform 4 is tightened.
The starting of servo motor 7 drives flexible sheet shaft coupling 8 and rotating disk 10 to rotate, by rotating disk 10, rod slide seat
11, what connecting rod 12, line slide rail component 13, swinging end slide plate 14 formed moves core type slider-crank mechanism therewith.To
It drives transmission pressure 17 and suspension string fitting 21 to swing, that is, simulates overhead power transmission conducting wire and suspension string fitting in wind incentive action
Under low frequency significantly swing.It can be with by adjusting the position of 7 revolving speed of servo motor and rod slide seat 11 in rotating disk 10
Change the frequency swung and amplitude.In addition, by adjusting the obtainable output frequency of 7 revolving speed of servo motor generally in 0-25Hz,
And for the operational reliability and stability of guarantee test platform, output frequency is unsuitable excessively high, therefore test platform swinging end institute
Generally in 0-15Hz, satisfaction simulation transmission pressure low frequency significantly swings required frequency and wants the conducting wire hunting frequency that can be generated
It asks.
To simulate influence of the aeolian vibration of frequency low-amplitude to transmission line of electricity element, generated using XY axis motion-activated platform
Frequency low-amplitude effect of vibration is in suspension string fitting 21 and transmission pressure 17.As shown in figure 9, XY axis motion-activated platform workbench 20
It is connected with TT&C system.When system starts, vibration-measuring sensor detection workbench exports in X-direction, Y direction
Vibratory output samples by secondary meter, A/D analog-to-digital conversion, and passes through corresponding control algolithm and test requirements document on computers
Setting value be compared, handle, adjustment signal is transferred to by the movement of XY axis by D/A digital-to-analogue conversion and driving power later and is swashed
Encourage the piezoelectric actuator on platform workbench, make four piezoelectric actuators difference output actions, to XY axis motion-activated platform into
Row positioning, to obtain the vibration for all having setpoint frequency value and amplitude in X, Y direction.Piezoelectric actuator can generally produce
Life is up to the driving frequency of thousands of Hz, therefore 0 to thousands of Hz driving frequency can be generated using XY axis motion-activated platform, meets
Frequency requirement needed for simulating transmission pressure aeolian vibration.
Using the analogue test platform, by adjusting the revolving speed of servo motor 7, adjustment rod slide seat 11 relative to rotation
The position of disk 10 can obtain different frequency and amplitude, realize the transmission pressure under the wind incentive action of different frequency and amplitude
With the significantly swing vibration simulation of suspension string fitting；Pass through XY axis motion-activated platform and its feedback control tune of TT&C system
Section, can make suspension string fitting with certain frequency and amplitude vibration, that is, simulate transmission pressure and pendency in X-axis, Y direction
Aeolian vibration of the string fitting under wind incentive action.
It is led in conclusion the test platform may be implemented under a variety of excited frequencies and the simulation wind incentive action of amplitude to transmit electricity
The significantly swing vibration and the aeolian vibration of frequency low-amplitude of line and suspension string fitting.Using the platform, different wind can be carried out
The vibration and Research on Wear Characteristics of transmission pressure and suspension string fitting under incentive action, to understand the vibration characteristics of suspension string fitting
And wear-resisting property, it is provided conveniently for the structure improvement of suspension string fitting；It can also be used in manufacturer or procurement unit to production
Suspension string fitting is sampled whether test is up to standard to evaluate the wear-resisting property of suspension string fitting, to be the quality of distribution metal ware
Supervision and inspection provide effective means, guarantee the safe operation of network system.
Claims (10)
1. a kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform, including pedestal, the pedestal, which is equipped with, to be located at
The swinging end in left side, positioned at the fixing end on right side and positioned at suspension string fitting (21) between the two；It is characterized in that,
The swinging end is for driving transmission pressure (17) to swing, to simulate the vibration of transmission pressure (17) under wind incentive action
Dynamic, fixing end is then used to fix the other end of transmission pressure (17)；
The suspension string fitting (21) includes the trunnion hanging panel (211) being arranged from top to bottom, right angle hanging plate (212), yoke plate
(213) it is connect with preformed double suspension clamps (214), the trunnion hanging panel (211) with right angle hanging plate (212) axis, described is straight
Angle hanging plate (212) connects with yoke plate (213) axis, and the yoke plate (213) connects with preformed double suspension clamp (214) axis, described
Preformed double suspension clamps (214) are for being clipped in transmission pressure (17)；
A support frame (18) are equipped between the swinging end and fixing end, the left and right side on support frame (18) top respectively fills
There is an XY axis motion-activated platform；The trunnion hanging panel (211) is placed in support frame (18), the axis positioned at trunnion hanging panel top
(215) both ends are connected on the XY axis motion-activated platform on support frame (18) left and right side, are moved and are swashed by XY axis
Encourage the movement that platform driving suspension string fitting makees X-direction and Y direction；
Vibration-measuring sensor is housed, vibration-measuring sensor is for detecting X-direction and Y direction on the XY axis motion-activated platform
The displacement vibration amount of upper output.
2. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 1, which is characterized in that described
XY axis motion-activated platform include the XY axis motion-activated platform backing plate (19) being fixed on support frame side and be fixed on XY
XY axis motion-activated platform workbench (20) on axis motion-activated platform backing plate；
The XY axis motion-activated platform workbench (20) is including periphery (202), inner ring (203) and between the two
Between block (204), be equipped between the periphery (202) and intermediate mass (204) between intermediate mass (204) opposite peripheral can be made mobile
Gap is equipped with the gap that inner ring (203) can be made mobile relative to intermediate mass, periphery between the intermediate mass (204) and inner ring (203)
(202) flexible connecting member (205) is all made of between intermediate mass (204) and between intermediate mass (204) and inner ring (203) to connect,
Inner ring (203) and intermediate mass (204) are made to link, the periphery (202) are fixed on XY axis motion-activated platform backing plate (19),
The end of the axis (215) on the trunnion hanging panel top is connected on inner ring (203)；
At least one X-axis piezoelectric actuator (206) is equipped between the periphery (202) and intermediate mass (204), used in pushing
Between block (204) make the movement in X-direction, indirectly drive inner ring (203) make the movement in X-direction；The intermediate mass
(204) at least one Y-axis piezoelectric actuator (207) is equipped between inner ring (203), for pushing inner ring (203) to make Y direction
On movement.
3. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 2, which is characterized in that be located at
Flexible connecting member (205) between intermediate mass (204) and inner ring (203) has 4, sets up separately on four angles；The intermediate mass
(204) groove for placing Y-axis piezoelectric actuator (207) is provided on, which is located between two flexible connecting members.
4. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 2, which is characterized in that be located at
Flexible connecting member (205) between peripheral (202) and intermediate mass (204) has 4, sets up separately on four angles；The periphery
(202) groove for placing X-axis piezoelectric actuator (206) is provided on, which is located between two flexible connecting members.
5. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 3 or 4, which is characterized in that
The flexible connecting member (205) is flexible hinge.
6. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 1-4, feature
It is,
The swinging end includes swinging end bottom plate (5), servo motor (7), the swing for being fastenedly connected transmission pressure side
It holds parallel groove clamp component (16) and swings end terminal fixed plate (15)；The output shaft of servo motor (7) is equipped with flexible sheet shaft coupling
Device (8) is equipped with to core type slider-crank mechanism between flexible sheet shaft coupling (8) and swing end terminal fixed plate (15), passes through
The movement to core type slider-crank mechanism is realized in the rotation of servo motor (7).
7. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 6, which is characterized in that described
To core type slider-crank mechanism include rotating disk (10), rod slide seat (11), connecting rod (12), square bearing of usheing to seat (36),
Flange sliding block axis (37), swinging end slide plate (14) and line slide rail component (13)；
The rotating disk (10) is connect in stepped shaft end with flexible sheet shaft coupling (8), and the disk side of rotating disk (10) is provided with
Groove milling and multiple groups press the symmetrical threaded hole of set distance, pass through groove milling and one group of threaded hole and rod slide seat in disk side
(11) side is connected by screw bolts, the two sides of connecting rod (12) by square bearing of usheing to seat (36) respectively with rod slide seat (11) and
Flange sliding block axis (37) is connected, and flange sliding block axis (37) is bolted to connection on swinging end slide plate (14)；Swinging end
Slide plate (14) is fixedly connected with line slide rail component (13), forms above-mentioned " sliding block " in core type slider-crank mechanism；
Equipped with thick vertical plate (9) is supported on the swinging end bottom plate (5), the top of support thickness vertical plate (9) side forms one and leads
Track slot, the guide-track groove are used to install the line slide rail component (13).
8. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 7, which is characterized in that described
Swinging end further include screw rodb base (3) and screw rod (2), screw rodb base (3) be bolted it is fixed on the base；Screw rod (2) is worn
The threaded hole on screw rodb base (3) is crossed, side is held out against on supporting thick vertical plate (9).
9. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 1-4, feature
It is, the fixing end includes sensor support riser (31), load cell (30), sensor bezel (32), spring catch
Plate (27), die springs (33), spring floating plate (29), fixed end terminal fixed plate (23), fixing end parallel groove clamp component
(22), fixing end slide plate (24), fixing end line slide rail component (25), fixing end bottom plate (26), cylinder guide rod (28), straight line
Bearing (34), cylinder guide rod fixing piece (35)；
The fixing end bottom plate (26), which is bolted, to be fixed on the base, and fixing end bottom plate (26) is machined with groove milling, uses
To install sensor support riser (31) and fixing end line slide rail component (25)；
The sensor support riser (31), which is bolted, to be fixed on the base, and sensor support riser is equipped on (31)
Through-hole, installation load cell (30) is bolted, the other side of load cell (30) is then fixed using bolt
On sensor bezel (32), cylinder guide rod fixing piece (35), sensor bezel (32) are further fixed in sensor bezel (32)
It is bolted to connection between spring stop (27)；
It is heavy that described die springs (33) two sides are separately fixed at the cylinder on spring stop (27) and spring floating plate (29)
In slot, spring floating plate (29), which is bolted, to be fixed on fixing end slide plate (24)；
Cylinder guide rod (28) side is fastened by cylinder guide rod fixing piece (35), and is passed through logical on spring stop (27)
Hole, die springs (33) inner hole, the through-hole on spring floating plate (29), the other side are mounted on bullet by linear bearing (34) support
In spring float plate (29)；
The fixing end slide plate (24) is equipped with counterbore, is bolted and is connected with fixing end line slide rail component (25),
Relatively fixed end bottom plate (26) horizontally slip, and fixed end terminal fixed plate (23) is also equipped in fixing end slide plate (24)；
The fixing end parallel groove clamp component (22), which is bolted, to be fixed on fixed end terminal fixed plate (23), to
It fastens transmission pressure (17).
10. overhanging golden tool string wind excited vibration Wearing Simulated Test platform according to claim 1-4, feature
It is, the pedestal is made of the cast iron platform (4) that platform floor (1) and two are located at platform floor both ends, is swung
End and fixing end are separately mounted on corresponding cast iron platform, and support frame is mounted on platform floor；The support frame is height
Spend adjustable support frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840250.6U CN209264232U (en) | 2018-11-08 | 2018-11-08 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821840250.6U CN209264232U (en) | 2018-11-08 | 2018-11-08 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
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| CN209264232U true CN209264232U (en) | 2019-08-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406083A (en) * | 2018-11-08 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
| CN114235617A (en) * | 2022-02-24 | 2022-03-25 | 徐州拓发电力器材有限公司 | Electric power fitting wear resistance detection equipment and wear resistance detection method |
-
2018
- 2018-11-08 CN CN201821840250.6U patent/CN209264232U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406083A (en) * | 2018-11-08 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
| CN109406083B (en) * | 2018-11-08 | 2023-12-05 | 国网新疆电力有限公司电力科学研究院 | Suspension string hardware wind excitation vibration abrasion simulation test platform |
| CN114235617A (en) * | 2022-02-24 | 2022-03-25 | 徐州拓发电力器材有限公司 | Electric power fitting wear resistance detection equipment and wear resistance detection method |
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