CN104764576B - Stretching, twisting and bending combined effect vibration testing machine for flexible rod piece - Google Patents
Stretching, twisting and bending combined effect vibration testing machine for flexible rod piece Download PDFInfo
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- CN104764576B CN104764576B CN201510180397.1A CN201510180397A CN104764576B CN 104764576 B CN104764576 B CN 104764576B CN 201510180397 A CN201510180397 A CN 201510180397A CN 104764576 B CN104764576 B CN 104764576B
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Abstract
The invention relates to a stretching, twisting and bending combined effect vibration testing machine for a flexible rod piece. The vibration testing machine comprises a rack device, a stretching load device, a front-back swing load device, a left-right swing load device, slide ways, a front-back swing frame, a left-right swing frame, a combined swing frame, a thrust bearing and sliding blocks. Stretching loads are provided by the stretching load device, vibration loads in the front-back direction are provided by the front-back swing load device, vibration loads in the left-right direction are provided by the left-right swing load device, rotating loads are provided by a twisting load device, and the loads can be loaded individually or in a combined mode to carry out a dynamic load twisting test on the flexible rod piece; after the testing machine finishes the test, the damage portions, the damage degree, the microstructure of damaged regions in a scanning electron microscope are observed, other mechanics performance tests are carried out, the mechanical characteristics of the flexible rod piece can be evaluated better, the mechanical performance and the service life of the flexible rod piece are evaluated and predicted better, and the detection level of the flexible rod piece is improved greatly.
Description
Technical field
The present invention relates to the curved synergy vibration test of a kind of flexible member performance aircraft, particularly flexible member tension-torsion
Machine.
Background technology
Existing flexible member testing machine is mainly static loading vibration rig, and it has the disadvantage:Can only be in flexible member
The alternate loads such as upper independent static loading stretching, torsion and bending, can not realize adding under three kinds of dynamic load synergy
Carry.In the structure of vibration rig, including the part such as weight box, lever, sensor, clamping device and rolling bearing.Shaking
In dynamic test, basic load is applied to insulator by lever with weights case.Wherein it is superimposed dynamic tensile in static load and static load is folded
Plus in the test reversed, the load suffered by rod member is continually changing, in order to know the specific stressing conditions of rod member,
One pulling force sensor of test product end series connection, the load value indicated by sensor or the output voltage real-time monitoring test product of sensor
Tensile load value.Existing vibration rig, can only realize loading static alternating force, can not realize stretching, reverse, it is curved
Vibration test under the synergy such as song.Cause can not to make the mechanical performance of flexible member and life-span exact evaluation and pre-
Survey.Substantially increase the test level of flexible member.
The content of the invention
The technical problem to be solved is the test for realizing making the mechanical performance of flexible member more preferable evaluation
Machine, this testing machine can study machine of the flexible member in the case of independent static loading such as stretches, reverses and bend at the alternate load
Tool performance, also can study under three kinds of dynamic load synergy, the mechanical performance of flexible member.Can be to the machine of flexible member
Tool performance and life-span make more accurate evaluation and prediction, greatly reduce the test level of flexible member.
In order to realize above-mentioned technical characteristic, the technology used in the present invention is characterized in that:The curved joint of flexible member tension-torsion is made
With vibration rig, it includes stand arrangement, on the support of stand arrangement fixture is vertically installed with, and is to clamp in the lower end of fixture
Device is used for clamping flexible member, there is stretching support on tensile load device, and by stretching clamp the two of flexible member are arranged on
End, the bottom connection of flexible member is torsional load device, and slide block is reversed in the frame that swings on torsional load device
Slide in chute, the rod member swung on frame is connected with the load device that swings, the load device that swings is by left and right
Rod member is arranged on joint swing frame, and joint swing frame is connected with the fork of stand arrangement, and fork is consolidated with swing frame is combined, its
Bottom is provided with joint slide block, and joint slide block slides in swing frame chute, and swing load device connects by before and after
Bar is connected with swing frame, and swing frame the right and left constitutes with slideway be slidably connected respectively, and it passes through front-rear linkage
It is connected with swing oil cylinder.
The stand arrangement includes base, and support is fixedly mounted on base, and the back timber middle part of support is provided with folder
Tool, the lower end gripping means grips flexible member of fixture, the lower end of flexible member is by twisting fixture and thrust bearing and torsion
Turn load device to be connected, two positions are hinged with two forks on the back timber of support, fork is consolidated with swing frame is combined, its bottom
Joint slide block is installed, joint slide block slides in swing frame chute, and slideway is fixedly mounted on the left and right end on base, sliding
Swing frame is installed, front and rear baffle is fixedly mounted on the front and back end on base on road, pendulum before and after being provided with front and rear baffle
Dynamic loading device.
The stretching support of the tensile load device is fixedly mounted on the upper and lower side of flexible member, stretching by stretching clamp
Cylinder upper end is hinged by stretching bearing pin with stretching support, and lower end is hinged also by stretching bearing pin with stretching support.
Rod member is fixedly mounted on front and rear baffle before and after swing oil cylinder on the swing load device, front
Afterwards the fuel tank of oscillating oil cylinder is connected by front-rear linkage with swing frame, and swing frame passes through joint slide block and combines swing
Frame is slidably connected.
The oil cylinder that swings of the load device that swings is arranged on inside joint pendulous device, and swing oil cylinder
Left and right rod member be fixedly mounted on joint swing frame, the fuel tank of the oil cylinder that swings is by left linkages and the frame company that swings
Connect.
Torsion motor and torsional brace are installed in the gripper shoe of the torsional load device, the overhanging shaft part of motor is reversed
Thrust ball bearing is installed, upper end is contacted by lifting force ball bearing with pre-twisted bar, and pre-twisted bar is fixed on torsional brace
On, torsion slide block is installed on pre-twisted bar, reverse slide block and be slidably connected with the frame composition that swings, reverse the outrigger shaft of motor
It is connected with the lower end of flexible member by twisting fixture under flexible member.
The fork upper end of the joint pendulous device is hinged with support, and lower end consolidates with swing frame is combined, and combines swing frame
On the left and right rod member of the oil cylinder that swings is installed, the bottom of fork is provided with joint slide block, joint slide block and swing frame
Composition is slidably connected.
The frame that swings can pass through left linkages on joint swing frame in the presence of the load device that swings
Swing;
The swing frame can be in the presence of swing load device along swing on slideway.
The joint pendulous device with swing frame swing, and can provide what is swung to the frame that swings
Chute.
The tensile load device can provide tensile load to flexible member.
The torsional load device can provide torsional load to flexible member.
The method have the advantages that:
When synergy vibration test curved to flexible member tension-torsion is needed, first flexible member is fixed with stationary fixture
On testing machine, by tensile load device and torsional load device respectively to flexible member apply dynamic tensile load and
Load is rotated, the cylinder body of swing cylinder is moved forward and backward, when driving joint pendulous device and flexible member lower end to move together, even
The cylinder that swings being connected on joint pendulous device can be as joint pendulous device be moved together, and at the same time swing cylinder
Cylinder body can be moved freely with left and right, so as to drive lower end of swing frame and exhausted flexible member being connected with cylinder body or so to move
It is dynamic, wherein, based in view of flexible member when by horizontal load, it may occur that flexible deformation, track irregularity, so front
Afterwards one section of vertical slideway is designed on swing frame and the frame that swings, the flexible body of rod can be made when by horizontal load, i.e.,
Make to deform upon, it is also possible to freely all around move, and without departing from chute.
Can be that flexible member is bearing other load by the use of thrust bearing in the design to torsional load device
When not torque suspension impact.There is no situation about interfering with each other in each motion of whole testing machine, flexible member is by four loads
The size and situation of change of lotus is realized respectively by controlling hydraulic cylinder or motor.After the testing machine completes test, observation
The microstructure of damage field and other mechanical properties are carried out under damage location, degree of injury, the scanning electron microscope of flexible member
Test, to it mechanical performance evaluation and biometry are carried out.
Above-mentioned stand arrangement includes base, and support is fixedly mounted on base, and the back timber middle part of support is provided with folder
Tool, the lower end gripping means grips flexible member of fixture, the lower end of flexible member is by fixture and thrust bearing and torsional load
Device is connected, and two positions are hinged with two forks on the back timber of support, and fork is consolidated with swing frame is combined, and its bottom is provided with
Slide block, slide block slides in swing frame chute, and slideway is fixedly mounted on the left and right end on base, and slip is provided with slideway
Structure, front and rear baffle is fixedly mounted on the front and back end on base, and swing load device is provided with front and rear baffle.By upper
The structure design stated easily can fix flexible member on support;The design of fork is filled in order to fixing joint swings
Put, joint pendulous device is moved forward and backward, the design on front and rear baffle is to load swing load for convenience.
The stretching support of above-mentioned tensile load device is fixedly mounted on the upper and lower side of flexible member by fixture, stretches oil cylinder
Or motor upper end is hinged by bearing pin with stretching support, lower end is hinged also by bearing pin with lower stretching support.For stretching device
On fixture design, in order that stretching device can be fixedly mounted on the two ends of flexible member, while flexible member is being subject to
During other load, it is also possible to apply tensile load to it.
The rod member of the swing oil cylinder on above-mentioned swing load device is fixedly mounted on front and rear baffle, is put in front and back
The fuel tank of dynamic oil cylinder is connected by rod member with swing frame, and swing frame is slidably connected by slide block with swing frame is combined.
By the connection of each device, make, when swing hydraulic cylinder is moved forward and backward, to be synchronized with the movement by flexible member.In addition
For the design of the vertical chute of swing cylinder, even if making flexible member there occurs flexible deformation, it is also possible to before and after free
Swing.
The oil cylinder that swings of the above-mentioned load device that swings is arranged on inside joint pendulous device, and swing oil cylinder
Rod member be fixedly mounted on joint swing frame, the fuel tank of the oil cylinder that swings is connected by rod member with the frame that swings.Pass through
The connection of each device, makes, when the hydraulic cylinder that swings is moved forward and backward, to be synchronized with the movement by flexible member.In addition for
Swing cylinder vertical chute design, even if making flexible member there occurs flexible deformation, it is also possible to freely swing.
Torsion motor and small rack are installed in the gripper shoe of above-mentioned torsional load device, the overhanging shaft part peace of motor is reversed
Equipped with thrust ball bearing, upper end is contacted by lifting force ball bearing with rod member, and rod member is fixed on small rack, is installed on rod member
There is slide block, slide block is constituted with the frame that swings and is slidably connected, reverse the outrigger shaft of motor by flexible member lower clamp and flexibility
The lower end of rod member is connected.Design to torsional load device, can be that flexible member is bearing it by the use of thrust bearing
The not impact of torque suspension during his load, can be very good to apply torsional load to flexible member.
The fork upper end of above-mentioned joint pendulous device is hinged with support, and lower end consolidates with swing frame is combined, and combines swing frame
On the rod member of the oil cylinder that swings is installed, the bottom of fork is provided with slide block, and slide block is constituted in swing frame and is slidably connected.
For the design of the fork on joint pendulous device is, for fixing joint pendulous device, joint pendulous device is transported in front and back
Dynamic, the design on front and rear baffle is to load swing load for convenience;Can for the design of the chute on joint swing frame
So that the frame that swings is moved freely well along left and right thereon;The convenient joint pendulous device of the design of slide block is in swing
When do not affected by vertical loads.
The above-mentioned frame that swings can pass through rod member left and right on joint swing frame in the presence of the load device that swings
Swing.For the design of the frame that swings so as to be connected with the lower end of flexible member, the same of frame motion that swing is being driven
When, flexible member lower end can be made to move together;In addition for the upper frame edge that swings vertical chute design, make rods
Part by the case of combined load, can free movement in the horizontal direction, do not affected by vertical loads.
Above-mentioned swing frame can be in the presence of swing load device along swing on slideway.For before and after
The design of swing frame so as to be connected with the lower end for combining pendulous device, while drive swings frame motion, can make connection
Close pendulous device to move together;In addition for swing upper frame edge vertical chute design, receiving joint pendulous device
To combined load in the case of, can not affected by vertical loads in fore-and-aft direction free movement.
Above-mentioned tensile load device can provide tensile load to composite insulator.
Above-mentioned torsional load device can provide torsional load to composite insulator.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described.
Fig. 1 is the axonometric chart of the present invention.
Fig. 2 is the schematic diagram of swing load device of the present invention.
Fig. 3 is the schematic diagram of the load device that swings of the invention.
Fig. 4 is tensile load device of the present invention and torsional load schematic device.
Fig. 5 is connected partial sectional view for fork of the present invention with support.
Fig. 6 is the installation partial sectional view of tensile load device of the present invention.
Fig. 7 is torsional load apparatus structure sectional view of the present invention.
Fig. 8 is present invention joint pendulous device axonometric chart.
In figure:Stand arrangement 1, tensile load device 2, swing load device 3, the load device 4 that swings, left and right
Swing frame 5, torsional load device 6, flexible member 7, joint pendulous device 8, base 101, support 102, fork 103, fixture
104th, slideway 105, swing frame 106, stretching clamp 201, stretching support 202, stretching pivot pin 203, stretching oil cylinder 204, front
Backboard 301, in front and back rod member 302, swing oil cylinder 303, front-rear linkage 304, left and right rod member 401, swing oil cylinder
402nd, left linkages 403, gripper shoe 601, torsion motor 602, torsional brace 603, torsion slide block 604, pre-twisted bar 605, torsion
Turn fixture 606, thrust ball bearing 607, joint slide block 801, joint swing frame 802.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 8, the curved synergy vibration rig of flexible member tension-torsion, it includes stand arrangement 1, frame dress
Be vertically installed with fixture 104 on the support 102 for putting 1, the lower end of fixture 104 be clamping device for clamping flexible member 7, draw
Stretching has stretching support 202 on load device 2, by stretching clamp 201 two ends of flexible member 7, the bottom of flexible member 7 are arranged on
End connection is torsional load device 6, and the slide block 604 that reverses on torsional load device 6 is slided in the chute of the frame 5 that swings
Dynamic, the rod member 403 swung on frame 5 is connected with the load device 4 that swings, and the load device 4 that swings passes through left and right bar
Part 401 be arranged on joint swing frame 802 on, joint swing frame 802 be connected with the fork 103 of stand arrangement 1, fork 103 and join
Close swing frame 802 to consolidate, its bottom is provided with joint slide block 801, joint slide block 801 slides in the chute of swing frame 106,
Swing load device 3 is connected by front-rear linkage 304 with swing frame 106, the right and left of swing frame 106 difference
Constitute with slideway 105 and be slidably connected, and it passes through front-rear linkage 304 and is connected with swing oil cylinder 303.
Referring to Fig. 1, the stand arrangement 1 includes base 101, and support 102 is fixedly mounted on base 101, support 102
Back timber middle part is provided with fixture 104, the lower end gripping means grips flexible member 7 of fixture 104, the lower end of flexible member 7
It is connected with thrust bearing 607 and torsional load device 6 by twisting fixture 606, two positions and two on the back timber of support 102
Root fork 103 is hinged, and fork 103 is consolidated with swing frame 802 is combined, and its bottom is provided with joint slide block 801, combines slide block 801
Slide in the chute of swing frame 106, slideway 105 is fixedly mounted on the left and right end on base 101, is provided with slideway 105
Swing frame 106, front and rear baffle 301 is fixedly mounted on the front and back end on base 101, before and after being provided with front and rear baffle 301
Swing load device 3.
Referring to Fig. 4, Fig. 6, the stretching support 202 of the tensile load device 2 is fixedly mounted on soft by stretching clamp 201
Property rod member 7 upper and lower side, stretching oil cylinder 204 upper end by stretching bearing pin 203 with stretch support 202 and be hinged, lower end is also by drawing
Stretch bearing pin to be hinged with stretching support.
Referring to Fig. 2, rod member 302 is fixedly mounted before and after the swing oil cylinder 303 on the swing load device 3
On front and rear baffle 301, the fuel tank of swing oil cylinder 303 is connected by front-rear linkage 304 with swing frame 106, in front and back
Swing frame 106 is slidably connected by joint slide block 801 with swing frame 802 is combined.
Referring to Fig. 3, the oil cylinder 402 that swings of the load device 4 that swings is arranged in joint pendulous device 8
Portion, the left and right rod member 401 of the oil cylinder 402 that swings is fixedly mounted on joint swing frame 802, the oil of the oil cylinder 402 that swings
Case is connected by left linkages 403 with the frame 5 that swings.
Referring to Fig. 4, Fig. 7, torsion motor 602 and small rack are installed in the gripper shoe 601 of the torsional load device 6
603, the overhanging shaft part for reversing motor 602 is provided with thrust ball bearing 607, and upper end is by lifting force ball bearing 607 and torque rod
Part 605 contacts, and pre-twisted bar 605 is fixed on torsional brace 603, and torsion slide block 604 is provided with pre-twisted bar 605, turns round
Turn slide block 604 to be slidably connected with the composition of frame 5 that swings, reverse the outrigger shaft of motor 602 by twisting fixture under flexible member
606 are connected with the lower end of flexible member 7.
Referring to Fig. 3, Fig. 4, torsion motor 602 and torsional brace are installed in the gripper shoe 601 of the torsional load device 6
603, the overhanging shaft part for reversing motor 602 is provided with thrust ball bearing 607, and upper end is by lifting force ball bearing 607 and torque rod
Part 605 contacts, and pre-twisted bar 605 is fixed on torsional brace 603, and torsion slide block 604 is provided with pre-twisted bar 605, turns round
Turn slide block 604 to be slidably connected with the composition of frame 5 that swings, reverse the outrigger shaft of motor 602 by twisting fixture under flexible member
606 are connected with the lower end of flexible member 7.
Referring to Fig. 3, the frame 5 that swings can be existed in the presence of the load device 4 that swings by left linkages 403
Swing on joint swing frame 802.
Referring to Fig. 2, the swing frame 106 can go forward in the presence of swing load device 3 along slideway 105
After swing.
Referring to Fig. 2, Fig. 3, Fig. 8, the joint pendulous device 8 can with the swing of swing frame 106, and to left and right
Swing frame 5 provides the chute for swinging.
Referring to Fig. 4, the tensile load device 2 can provide tensile load to flexible member 7.
Referring to Fig. 4, the torsional load device 6 can provide torsional load to flexible member 7.
The device specific work process of the present invention:
Step one:The upper end of flexible member 7 is clamped with stationary fixture 104, on support 102.
Step 2:Stretching device 2 is arranged on the upper and lower ends of flexible member 7 with stretching clamp 201, is fixed to clamp.
Step 3:The lower end of flexible member 7 is fixed on torsional load device 6, is clamped with twisting fixture 606, passed through
Pre-twisted bar 605 and torsion slide block 604 are constituted with the framework that swings and are slidably connected.
Step 4:204 pairs of stretching supports 202 of restrained stretching oil cylinder or motor produce a downward active force, the effect
Power is delivered to flexible member lower end by the lower end stretching clamp 201 being connected with flexible member 7, applies stretching to flexible member and carries
Lotus.
Step 5:Control torsional load motor 602 passes through thrust bearing 607 and twisting fixture 606, under driving flexible member
End rotates, and then provides torsional load for flexible member 7.
Step 6:Control swing cylinder, makes swing frame 106 transport with before and after cylinder body 303 along slideway 105
It is dynamic, then drive joint swing frame 802 and pass to the frame 5 that swings thereon, so that flexible member 7 is synchronous move forward and backward,
Realize applying flexible member 7 dynamic load of fore-and-aft direction.
Step 7:Control swings cylinder, and the frame 5 that makes to swing is along joint swing frame 802 with upper chute with cylinder body
402 move left and right together, then by being slidably connected with the lower end of flexible member 7, the flexible member 7 is also moved left and right together, real
Now apply the dynamic load of left and right directions to flexible member 7.
When being tested, in above step four to step 7, can select to control multiple hydraulic cylinders or motor fortune simultaneously
It is dynamic, it is also possible to only control which part hydraulic cylinder or motor movement, studied with this flexible member stretch in independent static loading,
Mechanical performance in the case of the alternate load such as torsion and bending, also can study under three kinds of dynamic load synergy, rods
The mechanical performance of part.More accurate evaluation and prediction can be made to the mechanical performance of flexible member and life-span, be greatly reduced
The test level of flexible member.
The device concrete operating principle of the present invention:
When being stretched to flexible member, reversing, bend synergy vibration test, first with stationary fixture 104
Flexible member 7 is fixedly mounted on testing machine, by tensile load device 2 and torsional load device 6 flexible member 7 is added respectively
Dynamic tensile load and rotation load, the cylinder body 303 of swing cylinder is moved forward and backward, and drives joint pendulous device 8 and rods
When the lower end of part 7 is moved together, the load device 4 that swings being connected on joint pendulous device 8 can be with joint pendulous device
Move together, the cylinder body 402 of the cylinder that at the same time swings can be moved freely with left and right, so as to drive the left and right being connected with cylinder body
The lower end of swing frame 5 and flexible member 7 moves left and right, wherein, based in view of flexible member 7 by horizontal load when,
Flexible deformation can occur, track irregularity, so design on swing frame 106 and the frame 5 that swings one section it is vertical
Slideway, can make the flexible body of rod by horizontal load when, even if deforming upon, it is also possible to freely all around move, and
Without departing from chute, in the design to torsional load device, bearing can flexible member by the use of thrust bearing 607
The not impact of torque suspension during other load.
There is no situation about interfering with each other in each motion of whole testing machine, flexible member be subject to the size of four load with
And situation of change is realized respectively by controlling hydraulic cylinder or motor.After the testing machine completes test, flexible member is observed
The microstructure of damage field and other Mechanics Performance Testings are carried out under damage location, degree of injury, scanning electron microscope, it is entered
Row mechanical performance is evaluated and biometry, and this experimental machine can be applied to the birthday noodle research of composite insulator.
Advantages of the present invention:
1st, this testing machine is for the position reasonable placement and the appropriate design of mechanism arrangement of mechanism, it is possible to achieve flexible member
Stretching, reverse and bend three power synergy under motion, and move it is non-interference, can separate individually loading can also
Many kinds of force joins together to load, and preferably can make evaluation to the mechanical characteristic of flexible member, and its mechanical performance and life-span are done
Go out and preferably evaluate and prediction.
2nd, for the design of fixture 104, can be fixed on according to the length of flexible member 7, random change fixture top
Position on support, the carrying out for being adapted to the flexible member 7 of various length is tested.
3rd, for the design of thrust bearing 607 and the bottom twisting fixture 606 of flexible member 7, holding can flexible member
By torque suspension is not affected during other load.
4th, for one section of vertical slideway is designed on swing frame 106 and the frame 5 that swings, the flexible body of rod can be made
When by horizontal load, even if deforming upon, it is also possible to freely all around move, and without departing from chute.
5th, for joint pendulous device 8 design and use, joint pendulous device can be made with swing frame 106 1
Rise and move forward and backward, it is also possible to make swing frame 5 thereon along chute side-to-side movement, with a left side before and after realizing in the horizontal direction
The combination loading of right dynamic load.
6th, for tensile load device 2 design with install, it is possible to achieve it is independent to flexible member applying tensile load or
Person and other load combination loadings.
Claims (7)
1. the curved synergy vibration rig of flexible member tension-torsion, it is characterised in that:It includes stand arrangement(1), stand arrangement
(1)Support(102)On be vertically installed with fixture(104), in fixture(104)Lower end be clamping device for clamping rods
Part(7), tensile load device(2)On have stretching support(202), by stretching clamp(201)Installed in flexible member(7)Two
End, flexible member(7)Bottom connection be torsional load device(6), torsional load device(6)On torsion slide block(604)
In the frame that swings(5)Chute in slide, swing frame(5)On rod member(403)With the load device that swings(4)Phase
Even, swing load device(4)By left and right rod member(401)In joint swing frame (802), combine swing frame
(802)With stand arrangement(1)Fork(103)It is connected, fork(103)With combine swing frame(802)Consolidation, its bottom is provided with
Joint slide block(801), combine slide block(801)In swing frame(106)Slide in chute, swing load device(3)It is logical
Cross front-rear linkage(304)With swing frame(106)Connection, swing frame(106)The right and left respectively with slideway(105)Structure
Into being slidably connected, and it passes through front-rear linkage(304)With swing oil cylinder(303)Connection;
The stand arrangement(1)Including base(101), support(102)It is fixedly mounted on base(101)On, support(102)Top
Beam middle part is provided with fixture(104), fixture(104)Lower end gripping means grips flexible member(7), flexible member(7)
Lower end pass through twisting fixture(606)With thrust bearing(607)And torsional load device(6)It is connected, support(102)Back timber
Upper two positions and two forks(103)It is hinged, fork(103)With combine swing frame(802)Consolidation, its bottom is provided with joint
Slide block(801), combine slide block(801)In swing frame(106)Slide in chute, slideway(105)It is fixedly mounted on base
(101)On left and right end, slideway(105)On swing frame is installed(106), front and rear baffle(301)It is fixedly mounted on base
(101)On front and back end, front and rear baffle(301)On swing load device is installed(3).
2. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:The stretching
Load device(2)Stretching support(202)By stretching clamp(201)It is fixedly mounted on flexible member(7)Upper and lower side, stretching
Oil cylinder(204)Upper end is by stretching bearing pin(203)With stretching support(202)It is hinged, lower end is also by stretching bearing pin and stretching
Frame is hinged.
3. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:Before and after described
Swing load device(3)On swing oil cylinder(303)Before and after rod member(302)It is fixedly mounted on front and rear baffle(301)On,
Swing oil cylinder(303)Fuel tank pass through front-rear linkage(304)With swing frame(106)Connection, swing frame(106)
By combining slide block(801)With combine swing frame(802)It is slidably connected.
4. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:The left and right
Swing load device(4)The oil cylinder that swings(402)Installed in joint pendulous device(8)Inside, swing oil cylinder(402)
Left and right rod member(401)It is fixedly mounted on joint swing frame(802)On, swing oil cylinder(402)Fuel tank by left and right even
Bar(403)With the frame that swings(5)Connection.
5. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:The torsion
Load device(6)Gripper shoe(601)On torsion motor is installed(602)And torsional brace(603), reverse motor(602)'s
Overhanging shaft part is provided with thrust ball bearing(607), upper end passes through lifting force ball bearing(607)With pre-twisted bar(605)Contact,
Pre-twisted bar(605)It is fixed on torsional brace(603)On, pre-twisted bar(605)On torsion slide block is installed(604), reverse and slide
Block(604)With the frame that swings(5)Composition is slidably connected, and reverses motor(602)Outrigger shaft by reversing folder under flexible member
Tool(606)With flexible member(7)Lower end be connected.
6. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:The joint
Pendulous device(8)Fork(103)Upper end and support(102)Be hinged, lower end with combine swing frame(802)Consolidation, joint swings
Frame(802)On the oil cylinder that swings is installed(402)Left and right rod member(401), fork(103)Bottom joint slide block is installed
(801), combine slide block(801)With swing frame(106)Composition is slidably connected.
7. the curved synergy vibration rig of flexible member tension-torsion according to claim 1, it is characterised in that:The left and right
Swing frame(5)Can be in the load device that swings(4)In the presence of pass through left linkages(403)In joint swing frame(802)On
Swing;
The swing frame(106)Can be in swing load device(3)In the presence of along slideway(105)Put before and after upper
It is dynamic;
The joint pendulous device(8)Can be with swing frame(106)Swing, and to the frame that swings(5)There is provided left
The chute of right swing;
The tensile load device(2)Flexible member can be given(7)Tensile load is provided;
The torsional load device(6)Flexible member can be given(7)Torsional load is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510180397.1A CN104764576B (en) | 2015-04-16 | 2015-04-16 | Stretching, twisting and bending combined effect vibration testing machine for flexible rod piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510180397.1A CN104764576B (en) | 2015-04-16 | 2015-04-16 | Stretching, twisting and bending combined effect vibration testing machine for flexible rod piece |
Publications (2)
Publication Number | Publication Date |
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CN104764576A CN104764576A (en) | 2015-07-08 |
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CN104776066B (en) * | 2015-04-22 | 2016-09-07 | 三峡大学 | A kind of hydraulic system of flexible member vibration experiment table |
CN105021475B (en) * | 2015-08-12 | 2018-04-03 | 天津大学 | Can the different miniature tension-torsion fatigue testers placed and test orientation |
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CN107246947B (en) * | 2017-05-31 | 2019-02-19 | 杭州电子科技大学 | Flexible rope dynamic torque characteristic test device and its test method |
CN111982633A (en) * | 2020-08-28 | 2020-11-24 | 云南电网有限责任公司电力科学研究院 | Porcelain post insulator mechanical structure aging test device |
CN113203650B (en) * | 2021-03-19 | 2022-05-31 | 国家***南海调查技术中心(国家***南海浮标中心) | Buoy anchor chain abrasion testing device and testing method |
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