CN104155115B - The security performance of leisure non-rice habitats car Roll-Over Protective Structure is test bed - Google Patents
The security performance of leisure non-rice habitats car Roll-Over Protective Structure is test bed Download PDFInfo
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- CN104155115B CN104155115B CN201410437749.2A CN201410437749A CN104155115B CN 104155115 B CN104155115 B CN 104155115B CN 201410437749 A CN201410437749 A CN 201410437749A CN 104155115 B CN104155115 B CN 104155115B
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Abstract
The security performance that the invention discloses a kind of non-rice habitats car Roll-Over Protective Structure that lies fallow is test bed, including frame structure, arranges deflection-limiting volume model in Roll-Over Protective Structure to be tested；It is provided for applying the side force charger of side force in frame structure, it is provided for applying the longitudinal force charger of longitudinal force in frame structure, it is provided for applying the vertical force charger of vertical force in frame structure, it is respectively provided with force cell on side force charger, longitudinal force charger and vertical force charger, lateral displacement sensor is set on side force charger, longitudinal force charger arranges length travel sensor.This is test bed can absorb energy according to applying power, deflection and power and Deformation calculation and carry out the protective capability to occupant's personal safety of Roll-Over Protective Structure when Comprehensive Evaluation analysis test leisure non-rice habitats car overturns, and the most effectively examines the security performance of Roll-Over Protective Structure.
Description
Technical field
The invention belongs to non-rice habitats car Roll-Over Protective Structure technical field of lying fallow, be specifically related to a kind of leisure
The security performance of non-rice habitats car Roll-Over Protective Structure is test bed.
Background technology
At present, leisure non-rice habitats car (UTV) manufacturing enterprise is in the urgent need to the safety of Roll-Over Protective Structure
Performance testing equipment, in order to go out to meet Unite States Standard to leisure non-rice habitats car in research and development of products stage design
Safety requirements and volume production after verification experimental verification leisure non-rice habitats car product Roll-Over Protective Structure meet method
Rule requirement.It is earthmoving machinery that presently relevant testing stand mainly tests object, the test of integrated testability system
Scope and range are the biggest, relatively poor to the measuring accuracy of leisure non-rice habitats car security performance.
But, in order to ensure that leisure non-rice habitats car has good security performance, it is necessary to it is overturned and protects
Protection structure is effectively tested.At present, how designing one can Validity Test leisure non-rice habitats car
The equipment of Roll-Over Protective Structure security performance, is that various equivalent modifications technology urgently to be resolved hurrily is asked
Topic.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is provided that a kind of leisure non-rice habitats
The security performance of car Roll-Over Protective Structure is test bed.This test bed can be to overturning to be tested
Protection structure lateral force resistance performance, resisting longitudinal power performance and resistance to vertical power performance are tested comprehensively, have
The security performance that ensure that Roll-Over Protective Structure of effect, and then improve the safety of leisure non-rice habitats car
Energy.
For achieving the above object, the technical solution used in the present invention is: leisure non-rice habitats car roll-over
The security performance of structure is test bed, it is characterised in that: including frame structure, overturning to be tested is protected
Protection structure is fixedly mounted on the base plate in frame structure, and described base plate fixedly mounts on the ground, institute
Deflection-limiting volume model it is provided with in stating Roll-Over Protective Structure to be tested；It is provided with in described frame structure
For applying the side force charger of side force, described frame structure to Roll-Over Protective Structure to be tested
On be provided with for Roll-Over Protective Structure to be tested apply longitudinal force longitudinal force charger, described
It is provided with in frame structure and loads for the vertical force applying vertical force to Roll-Over Protective Structure to be tested
Device, described side force charger, longitudinal force charger and vertical force charger are respectively provided with
There is force cell, described side force charger is provided with for detecting roll-over to be tested knot
The lateral displacement sensor of structure lateral displacement, described longitudinal force charger is provided with and treats for detection
The length travel sensor of test Roll-Over Protective Structure length travel.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: include for side force charger, longitudinal force charger or vertical force charger are executed
The power added is transferred to the force transferring structure of Roll-Over Protective Structure to be tested.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: described force transferring structure includes the pressing plate being arranged on Roll-Over Protective Structure upper end to be tested, described pressing plate
One end be provided with clamping plate, described clamping plate are provided with force transmitting board.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: described side force charger includes side force loading hydraulic cylinder, described side force loading hydraulic cylinder
Cylinder body be hinged on left side or the right side of described frame structure, described side force loading hydraulic cylinder is lived
The end of stopper rod is provided with the first force cell for detecting side force, described first force-measuring sensing
Device is connected with described force transferring structure, and described lateral displacement sensor is draw-wire displacement sensor, institute
The one end stating lateral displacement sensor is connected with side force loading hydraulic cylinder cylinder body, described lateral displacement
The other end of sensor is connected with described force transferring structure.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: the first protection machine for preventing side force charger from tumbling is installed in described frame structure
Structure, described first protection mechanism includes the first protection chain and is arranged on described frame structure left side or the right side
The first guide wheel on sidepiece, the lower end of described first protection chain fixes on the ground, and described first protects
Protect the upper end of chain and walk around the first guide wheel and the cylinder body with side force loading hydraulic cylinder is connected.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: described longitudinal force charger includes longitudinal force loading hydraulic cylinder, described longitudinal force loading hydraulic cylinder
Cylinder body be hinged in the rear lateral portion of described frame structure, the piston rod of described longitudinal force loading hydraulic cylinder
On be provided with the second force cell for detecting longitudinal force, described second force cell is with described
Force transferring structure is connected, and described length travel sensor is draw-wire displacement sensor, described longitudinal position
One end of displacement sensor is connected with the cylinder body of longitudinal force loading hydraulic cylinder, described length travel sensor
The other end be connected with described force transferring structure.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: the second protection machine for preventing longitudinal force charger from tumbling is installed in described frame structure
Structure, described second protection mechanism includes the second protection chain and is arranged in described frame structure rear lateral portion
Second guide wheel, the lower end of described second protection chain fixes on the ground, and described second protects the upper of chain
End walks around the second guide wheel and the cylinder body with longitudinal force loading hydraulic cylinder is connected.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: described vertical force charger includes electric block, arm-tie and two vertical force loading hydraulic cylinders,
Described electric block is arranged on the top of Roll-Over Protective Structure to be tested, and described arm-tie is arranged on described biography
In power structure, described arm-tie is connected with the suspension hook of electric block, and two described vertical forces add load hydraulic
Cylinder lays respectively at the both sides of Roll-Over Protective Structure to be tested, the cylinder of two described vertical force loading hydraulic cylinders
Body is connected with the two ends, left and right of arm-tie respectively, and the piston rod of two described vertical force loading hydraulic cylinders is equal
It is connected with base plate by chain, described chain is provided with the 3rd force-measuring sensing for detecting vertical force
Device.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: the 3rd protection mechanism for preventing arm-tie from falling is installed in described frame structure, the described 3rd
Protection mechanism includes that two the 3rd protection chains, the lower end of two described 3rd protection chains are all connected with arm-tie
Connecing, all tops with described frame structure, upper end of two described 3rd protection chains are connected.
The security performance of above-mentioned leisure non-rice habitats car Roll-Over Protective Structure is test bed, and its feature exists
In: described frame structure includes upper frame, left column, right column and rear column, described left column, the right side
Column and rear column laying triangular in shape, the upper end of described left column, the upper end of right column and rear column
Upper end be all connected with upper frame, the lower end of described left column, the lower end of right column and the lower end of rear column
It is respectively mounted on the ground.
The present invention compared with prior art has the advantage that
1, the simple in construction of the present invention, novel in design reasonable.
2, the present invention is by arranging force transferring structure, it is possible to side force charger, longitudinal force are added
Carry and put the power applied with vertical force charger and diffused to a face by a point so that described in treat
Test Roll-Over Protective Structure can uniform force, it is to avoid Roll-Over Protective Structure to be tested local single-point stress mistake
Greatly, it is impossible to the real embodiment real security performance of whole Roll-Over Protective Structure to be tested.
3, frame structure simple in construction of the present invention, easy for installation, is firmly connected with ground, energy
Enough simple and effective realizations are to lateral force loading device, longitudinal force charger and vertical force charger
Stable support is provided.
4, the present invention is by arranging the first protection mechanism, the second protection mechanism and the 3rd protection mechanism,
Being effectively guaranteed side force charger, longitudinal force charger and vertical force charger can be steady
Fixed work.
5, the present invention passes through force cell and displacement transducer, it is possible to measure loading force and deflection,
Thus calculate absorption energy.
6, the present invention realize low cost, using effect is good, it is simple to promote the use of.
In sum, present configuration is simple, and novel in design rationally functional reliability is high, uses the longevity
Life is long, and using effect is good, it is simple to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the present invention is to use view during Roll-Over Protective Structure to be tested applying side force.
Fig. 2 is that the present invention is to use view during Roll-Over Protective Structure to be tested applying longitudinal force.
Fig. 3 is that the present invention is to use view during Roll-Over Protective Structure to be tested applying vertical force.
Description of reference numerals:
1 Hydraulic Station；2 base plates；
3 Roll-Over Protective Structures to be tested；4 deflection-limiting volume models；
5 side force chargers；5-1 side force loading hydraulic cylinder；
5-2 the first force cell；6 force transferring structures；
6-1 pressing plate；6-2 clamping plate；
6-3 force transmitting board；7 first protection mechanisms；
7-1 first protects chain；7-2 the first guide wheel；
7-3 the first guide wheel support；8 frame structures；
8-1 upper frame；8-2 right column；
8-3 rear column；8-4 left column；
8-5 pillar；8-6 horizon bar；
9 first installing plates；10 mounting seats；
11 longitudinal force chargers；11-1 longitudinal force loading hydraulic cylinder；
11-2 the second force cell；12 second protection mechanisms；
12-1 second protects chain；12-2 the second guide wheel；
12-3 the second guide wheel support；13 vertical force chargers；
13-1 electric block；13-2 vertical force loading hydraulic cylinder；
13-3 chain；13-4 the 3rd force cell；
13-5 arm-tie；13-6 hanger；
13-7 hangers；14 the 3rd protection mechanisms；
14-1 the 3rd protects chain；14-2 otic placode；
15 second installing plates；16 lateral displacement sensors；
17 length travel sensors.
Detailed description of the invention
The security performance of a kind of non-rice habitats car Roll-Over Protective Structure that lies fallow as shown in Figure 1, Figure 2 and Figure 3
Test bed, including frame structure 8, Roll-Over Protective Structure 3 to be tested is fixed by mounting seat 10
Being arranged on the base plate 2 in frame structure 8, described base plate 2 fixedly mounts on the ground, described in treat
It is provided with deflection-limiting volume model 4 in test Roll-Over Protective Structure 3；Arrange in described frame structure 8
There are the side force charger 5 for applying side force to Roll-Over Protective Structure 3 to be tested, described frame
It is provided with the longitudinal force for applying longitudinal force to Roll-Over Protective Structure 3 to be tested on shelf structure 8 to load
Device 11, described frame structure 8 is provided with for applying vertically to Roll-Over Protective Structure 3 to be tested
The vertical force charger 13 of power, described side force charger 5, longitudinal force charger 11 and
It is provided with force cell on vertical force charger 13, described side force charger 5 sets
It is equipped with the lateral displacement sensor 16 for detecting Roll-Over Protective Structure 3 to be tested lateral displacement, described
It is provided with on longitudinal force charger 11 for detecting Roll-Over Protective Structure 3 to be tested length travel
Length travel sensor 17.
In the present embodiment, described side force is to be applied to Roll-Over Protective Structure 3 left and right directions to be tested
Power, is and is applied on the left of leisure non-rice habitats car driver's cabin or the power on right side；Described longitudinal force is for applying
In the power of Roll-Over Protective Structure 3 fore-and-aft direction to be tested, it is and is applied to the non-rice habitats car driver's cabin that lies fallow
Front side or the power of rear side；Described vertical force is for be applied downwardly on Roll-Over Protective Structure 3 to be tested from above
Power.
In the present embodiment, test bed by this, it is possible to Roll-Over Protective Structure 3 anti-side to be tested
Test to power performance, resisting longitudinal power performance and resistance to vertical power performance, by being provided for survey comprehensively
Measure the lateral displacement sensor 16 of Roll-Over Protective Structure 3 to be tested lateral displacement, it is possible to roll-over
The lateral deformation amount of structure carries out testing and deforming, with Deformation calculation, the energy absorbed by applying power
Amount；Sense by being provided with the length travel for measuring Roll-Over Protective Structure 3 to be tested length travel
Device 17, it is possible to the longitudinal deformation amount of Roll-Over Protective Structure is tested and by applying power and deflection
Calculate the energy that deformation is absorbed.Comprehensive Evaluation analysis test leisure is carried out according to applying power and deflection
The Roll-Over Protective Structure that non-rice habitats car the overturns protective capability to occupant's personal safety, examines comprehensively and effectively
The security performance of core Roll-Over Protective Structure.
As shown in Figure 1, Figure 2 and Figure 3, carry for side force is added this test bed also including
Put the power that 5, longitudinal force charger 11 or vertical force charger 13 applied and be transferred to be tested
The force transferring structure 6 of Roll-Over Protective Structure 3.In the present embodiment, described force transferring structure 6 includes being arranged on
The pressing plate 6-1 of Roll-Over Protective Structure 3 upper end to be tested, one end of described pressing plate 6-1 is provided with clamping plate
6-2, described clamping plate 6-2 is provided with force transmitting board 6-3.
In the present embodiment, by arranging force transferring structure 6, it is possible to make side force charger 5, indulge
The power applied to force loading device 11 and vertical force charger 13 is diffused to one by a point
Face so that described Roll-Over Protective Structure 3 to be tested can uniform force, it is to avoid roll-over to be tested is tied
Structure 3 local single-point stress is excessive, it is impossible to the whole Roll-Over Protective Structure 3 to be tested of real embodiment is pacified really
Full performance.
As shown in Figure 1, Figure 2 and Figure 3, described frame structure 8 include upper frame 8-1, left column 8-4,
Right column 8-2 and rear column 8-3, described left column 8-4, right column 8-2 and rear column 8-3 in
Triangle is laid, the upper end of described left column 8-4, the upper end of right column 8-2 and rear column 8-3's
Upper end is all connected with upper frame 8-1, the lower end of described left column 8-4, the lower end of right column 8-2 and after
The lower end of column 8-3 is respectively mounted on the ground.Described frame structure 8 simple in construction, easy for installation,
Firmly it is connected with ground, it is possible to lateral force loading device 5, longitudinal force are loaded by simple and effective realization
Device 11 and vertical force charger 13 provide stable support.
As it is shown in figure 1, described side force charger 5 includes side force loading hydraulic cylinder 5-1, institute
The cylinder body stating side force loading hydraulic cylinder 5-1 is hinged on left side or the right side of described frame structure 8
Portion, the i.e. cylinder body of side force loading hydraulic cylinder 5-1 are hinged on left column 8-4 or right column 8-2,
The end of described side force loading hydraulic cylinder 5-1 piston rod is provided with the first survey for detecting side force
Force transducer 5-2, described first force cell 5-2 are connected with described force transferring structure 6, and i.e.
One force cell 5-2 is connected with the force transmitting board 6-3 on force transferring structure 6, and described lateral displacement passes
Sensor 16 is draw-wire displacement sensor, and one end of described lateral displacement sensor 16 adds with side force
Carrier fluid cylinder pressure 5-1 cylinder body is connected, the other end of described lateral displacement sensor 16 and force transferring structure 6
On force transmitting board 6-3 be connected.
In the present embodiment, concrete, the cylinder body of described side force loading hydraulic cylinder 5-1 is hinged on left vertical
On post 8-4, described left column 8-4 being provided with the first installing plate 9, described side force adds load hydraulic
The cylinder body of cylinder 5-1 is hinged on the first installing plate 9.
As it is shown in figure 1, be provided with in described frame structure 8 for preventing side force charger 5 from inclining
The first protection mechanism 7 turned over, described first protection mechanism 7 includes the first protection chain 7-1 and is arranged on
The first guide wheel 7-2 on described frame structure 8 left side or right side, the most described first guide wheel
7-2 is arranged on left column 8-4 or right column 8-2, and the lower end of described first protection chain 7-1 is fixed
On the ground, the upper end of described first protection chain 7-1 is walked around the first guide wheel 7-2 and adds with side force
The cylinder body of carrier fluid cylinder pressure 5-1 is connected.
In the present embodiment, concrete, described first guide wheel 7-2 is arranged on left column 8-4, institute
State the first guide wheel support 7-3 being provided with on left column 8-4 for installing the first guide wheel 7-2.
When Roll-Over Protective Structure 3 to be tested being loaded side force and testing, control Hydraulic Station 1,
The piston rod of side force loading hydraulic cylinder 5-1 stretches out, and force transmitting board 6-3 applies side force, and then will
Side force passes to Roll-Over Protective Structure 3 to be tested, is recorded by the first force cell 5-2 and is applied
The size of side force, and the deformation to Roll-Over Protective Structure 3 to be tested is observed, and considers simultaneously
Whether deflection-limiting volume model 4 is produced impact to judge that roll-over is tied after Roll-Over Protective Structure deformation
The lateral force resistance performance of structure.When side force loading hydraulic cylinder 5-1 works, add owing to being arranged on side force
First force cell 5-2 and the force transmitting board 6-3 of carrier fluid cylinder pressure 5-1 piston rod end is to contact connection,
When Roll-Over Protective Structure is produced suddenly huge deformation by side force, side force can be made with carrier fluid
The cylinder body of cylinder pressure 5-1 rotates with the first installing plate 9 around it and produces phenomenon of tumbling, and then passes through and arranges the
One protection mechanism 7 is effectively guaranteed during applying side force, even if Roll-Over Protective Structure is unexpected
Produce huge deformation, also can guarantee that side force loading hydraulic cylinder 5-1 invariant position.
As in figure 2 it is shown, described longitudinal force charger 11 includes longitudinal force loading hydraulic cylinder 11-1,
The cylinder body of described longitudinal force loading hydraulic cylinder 11-1 is hinged in the rear lateral portion of described frame structure 8,
The cylinder body of the most described longitudinal force loading hydraulic cylinder 11-1 is hinged on rear column 8-3, described longitudinal force
The second force cell for detecting longitudinal force it is provided with on the piston rod of loading hydraulic cylinder 11-1
11-2, described second force cell 11-2 are connected with the force transmitting board 6-3 of described force transferring structure 6.
Described length travel sensor 17 is draw-wire displacement sensor, described length travel sensor 17
One end is connected with the cylinder body of longitudinal force loading hydraulic cylinder 11-1, described length travel sensor 17
The other end is connected with the force transmitting board 6-3 of described force transferring structure 6.
In the present embodiment, described rear column 8-3 being provided with the second installing plate 15, described longitudinal force adds
The cylinder body of carrier fluid cylinder pressure 11-1 is hinged on the second installing plate 15.
As in figure 2 it is shown, be provided with for preventing longitudinal force charger 11 in described frame structure 8
The second protection mechanism 12 tumbled, described second protection mechanism 12 includes the second protection chain 12-1 and sets
Put the second guide wheel 12-2 in described frame structure 8 rear lateral portion, the most described second guide wheel 12-2
Being arranged on rear column 8-3, the lower end of described second protection chain 12-1 fixes on the ground, described
Second protection chain 12-1 upper end walk around the second guide wheel 12-2 and with longitudinal force loading hydraulic cylinder 11-1
Cylinder body be connected.
In the present embodiment, described rear column 8-3 is provided with for installing the second guide wheel 12-2's
Second guide wheel support 12-3.
When Roll-Over Protective Structure 3 to be tested being loaded longitudinal force and testing, control Hydraulic Station 1,
The piston rod of longitudinal force loading hydraulic cylinder 11-1 stretches out, and force transmitting board 6-3 applies longitudinal force, and then will
Longitudinal force passes to Roll-Over Protective Structure 3 to be tested, is recorded by the second force cell 11-2 and is executed
The size of the longitudinal force added, and the deformation to Roll-Over Protective Structure 3 to be tested is observed, and examines simultaneously
Whether deflection-limiting volume model 4 is produced impact to judge roll-over after considering Roll-Over Protective Structure deformation
The resisting longitudinal power performance of structure.When longitudinal force loading hydraulic cylinder 11-1 works, owing to being arranged on longitudinal direction
Second force cell 11-2 of power loading hydraulic cylinder 11-1 piston rod end is to contact with force transmitting board 6-3
Connect, when Roll-Over Protective Structure is produced suddenly huge deformation by longitudinal force, longitudinal force can be made
The cylinder body of loading hydraulic cylinder 11-1 rotates around itself and the second installing plate 15 and produces phenomenon of tumbling, and then leads to
Cross and the second protection mechanism 12 is set is effectively guaranteed and is applying during longitudinal force, though roll-over
Structure produces suddenly huge deformation, also can guarantee that longitudinal force loading hydraulic cylinder 11-1 stablizes safety.
As it is shown on figure 3, described vertical force charger 13 includes electric block 13-1, arm-tie 13-5
It is arranged on to be tested overturning with two vertical force loading hydraulic cylinder 13-2, described electric block 13-1 to protect
The top of protection structure 3, described arm-tie 13-5 is arranged on the pressing plate 6-1 of described force transferring structure 6,
The suspension hook of described arm-tie 13-5 and electric block 13-1 is connected, and two described vertical forces add load hydraulic
Cylinder 13-2 lays respectively at the both sides of Roll-Over Protective Structure 3 to be tested, and two described vertical forces are with carrier fluid
The cylinder body of cylinder pressure 13-2 is connected with the two ends, left and right of arm-tie 13-5 respectively, and two described vertical forces add
The piston rod of carrier fluid cylinder pressure 13-2 is all connected with base plate 2 by chain 13-3, described chain 13-3
On the 3rd force cell 13-4 for detecting vertical force is installed.
In the present embodiment, the two ends of described arm-tie 13-5 are provided with hanger 13-6, described electric block 13-1
Suspension hook be connected with hanger 13-6, the two ends of described arm-tie 13-5 are respectively arranged with hangers 13-7, institute
The cylinder body stating vertical force loading hydraulic cylinder 13-2 is connected with hangers 13-7.
As it is shown on figure 3, be provided with in described frame structure 8 for prevent arm-tie 13-5 from falling
Three protection mechanisms 14, described 3rd protection mechanism 14 includes two the 3rd protection chain 14-1, two institutes
The lower end stating the 3rd protection chain 14-1 is all connected with arm-tie 13-5, two described 3rd protection chains
All tops with described frame structure 8, the upper end of 14-1 are connected, i.e. two described 3rd protection chains
The upper end of 14-1 is all connected with upper frame 8-1.
In the present embodiment, described upper frame 8-1 is provided with otic placode 14-2, described 3rd protection chain 14-1
One end be connected with otic placode 14-2, described 3rd protection chain 14-1 the other end be connected with arm-tie 13-5
Connect.
As it is shown on figure 3, the inner side of the inner side of described left column 8-4 or right column 8-2 is provided with pillar
8-5, the upper end of described pillar 8-5 is provided with the horizon bar 8-6 for installing electric block 13-1.
When Roll-Over Protective Structure 3 to be tested being loaded vertical force and testing, control Hydraulic Station 1,
Two described vertical force loading hydraulic cylinder 13-2 pull downward on arm-tie 13-5 simultaneously, and arm-tie 13-5 is downward
Pressing plate 6-1 is applied vertical force, and vertical force is transferred to Roll-Over Protective Structure to be tested by pressing plate 6-1 again
On 3, meanwhile, chain 13-3 is by pulling force upwards, and the pulling force suffered by chain 13-3 and pressing plate
The vertical force that 6-1 is applied to Roll-Over Protective Structure 3 to be tested is equal, and then by the on chain 13-3
Three force cell 13-4 record the pulling force suffered by chain 13-3, thus obtain roll-over to be tested knot
Vertical force suffered by structure 3.And the deformation to Roll-Over Protective Structure 3 to be tested is observed, examine simultaneously
Whether deflection-limiting volume model 4 is produced impact to judge roll-over after considering Roll-Over Protective Structure deformation
The resistance to vertical power performance of structure.
During in order to avoid pressing under arm-tie 13-5, discontinuity produces double swerve and accidental falling,
And then by two the 3rd protection chain 14-1, the right position of arm-tie 13-5 is defined, it is ensured that
Vertical force charger 13 can effectively operate.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, all
It is any simple modification, change and equivalence above example made according to the technology of the present invention essence
Reconfiguration, all still falls within the protection domain of technical solution of the present invention.
Claims (7)
1. the security performance of leisure non-rice habitats car Roll-Over Protective Structure is test bed, it is characterised in that:
Including frame structure (8), Roll-Over Protective Structure to be tested (3) is fixedly mounted on frame structure (8)
On interior base plate (2), described base plate (2) fixedly mounts on the ground, and described to be tested overturning is protected
Deflection-limiting volume model (4) it is provided with in protection structure (3)；Described frame structure (8) is upper to be arranged
There is the side force charger (5) for applying side force to Roll-Over Protective Structure to be tested (3),
It is provided with in described frame structure (8) for applying longitudinal force to Roll-Over Protective Structure to be tested (3)
Longitudinal force charger (11), described frame structure (8) is provided with for turning over to be tested
Roll-over protective structure (3) applies the vertical force charger (13) of vertical force, and described side force loads
It is provided with on device (5), longitudinal force charger (11) and vertical force charger (13)
Force cell, described side force charger (5) is provided with for detecting guarantor of overturning to be tested
The lateral displacement sensor (16) of protection structure (3) lateral displacement, described longitudinal force charger (11)
On be provided with the length travel sensor for detecting Roll-Over Protective Structure to be tested (3) length travel
(17)；
Including for by side force charger (5), longitudinal force charger (11) or vertical force
The power that charger (13) is applied is transferred to the force transferring structure of Roll-Over Protective Structure to be tested (3)
(6)；
Described side force charger (5) includes side force loading hydraulic cylinder (5-1), described laterally
The cylinder body of power loading hydraulic cylinder (5-1) is hinged on left side or the right side of described frame structure (8),
The end of described side force loading hydraulic cylinder (5-1) piston rod be provided with for detect side force
One force cell (5-2), described first force cell (5-2) and described force transferring structure (6)
Being connected, described lateral displacement sensor (16) is draw-wire displacement sensor, described lateral displacement
One end of sensor (16) is connected with side force loading hydraulic cylinder (5-1) cylinder body, described laterally
The other end of displacement transducer (16) is connected with described force transferring structure (6)；
Be provided with in described frame structure (8) for prevent side force charger (5) from tumbling
One protection mechanism (7), described first protection mechanism (7) includes the first protection chain (7-1) and sets
Put the first guide wheel (7-2) on described frame structure (8) left side or right side, described
One protection chain (7-1) lower end fix on the ground, described first protection chain (7-1) upper end around
Cross the first guide wheel (7-2) and the cylinder body with side force loading hydraulic cylinder (5-1) is connected.
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 1 is surveyed
Examination testing stand, it is characterised in that: described force transferring structure (6) includes being arranged on roll-over to be tested
The pressing plate (6-1) of structure (3) upper end, one end of described pressing plate (6-1) is provided with clamping plate (6-2),
Force transmitting board (6-3) it is provided with on described clamping plate (6-2).
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 1 is surveyed
Examination testing stand, it is characterised in that: described longitudinal force charger (11) includes that longitudinal force adds load hydraulic
Cylinder (11-1), the cylinder body of described longitudinal force loading hydraulic cylinder (11-1) is hinged on described frame structure
(8), in rear lateral portion, the piston rod of described longitudinal force loading hydraulic cylinder (11-1) is provided with use
In second force cell (11-2) of detection longitudinal force, described second force cell (11-2)
Being connected with described force transferring structure (6), described length travel sensor (17) is dragline type displacement
Sensor, one end of described length travel sensor (17) and longitudinal force loading hydraulic cylinder (11-1)
Cylinder body be connected, the other end of described length travel sensor (17) and described force transferring structure (6)
It is connected.
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 3 is surveyed
Examination testing stand, it is characterised in that: it is provided with for preventing longitudinal force from adding in described frame structure (8)
Carrying and put the second protection mechanism (12) (11) tumbled, described second protection mechanism (12) includes
Second protection chain (12-1) and the second guide wheel being arranged in described frame structure (8) rear lateral portion
(12-2), the lower end of described second protection chain (12-1) fixes on the ground, described second protection
The upper end of chain (12-1) walk around the second guide wheel (12-2) and with longitudinal force loading hydraulic cylinder (11-1)
Cylinder body be connected.
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 1 is surveyed
Examination testing stand, it is characterised in that: described vertical force charger (13) include electric block (13-1),
Arm-tie (13-5) and two vertical force loading hydraulic cylinders (13-2), described electric block (13-1)
Being arranged on the top of Roll-Over Protective Structure to be tested (3), described arm-tie (13-5) is arranged on described
On force transferring structure (6), described arm-tie (13-5) is connected with the suspension hook of electric block (13-1),
Two described vertical force loading hydraulic cylinders (13-2) lay respectively at Roll-Over Protective Structure to be tested (3)
Both sides, the cylinder body of two described vertical force loading hydraulic cylinders (13-2) respectively with arm-tie (13-5)
Two ends, left and right be connected, the piston rod of two described vertical force loading hydraulic cylinders (13-2) all passes through
Chain (13-3) is connected with base plate (2), described chain (13-3) is provided with for detecting vertical
3rd force cell (13-4) of straight power.
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 5 is surveyed
Examination testing stand, it is characterised in that: it is provided with in described frame structure (8) for preventing arm-tie (13-5)
The 3rd protection mechanism (14) fallen, described 3rd protection mechanism (14) includes two the 3rd protections
Chain (14-1), the lower end of two described 3rd protections chain (14-1) is all connected with arm-tie (13-5)
Connect, the upper end of two described 3rd protections chain (14-1) all with the top of described frame structure (8)
It is connected.
The security performance of leisure non-rice habitats car Roll-Over Protective Structure the most according to claim 1 is surveyed
Examination testing stand, it is characterised in that: described frame structure (8) include upper frame (8-1), left column (8-4),
Right column (8-2) and rear column (8-3), described left column (8-4), right column (8-2) and
Rear column (8-3) laying triangular in shape, the upper end of described left column (8-4), right column (8-2)
Upper end and the upper end of rear column (8-3) be all connected with upper frame (8-1), described left column (8-4)
The lower end of lower end, the lower end of right column (8-2) and rear column (8-3) be respectively mounted on the ground.
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| CN104155115B true CN104155115B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104634527B (en) * | 2015-01-27 | 2017-06-16 | 天津大学 | A kind of dynamic model test loading device |
| CN107727386A (en) * | 2017-11-17 | 2018-02-23 | 洛阳西苑车辆与动力检验所有限公司 | Safety unit of tractor testing stand and its test method |
| CN114018717B (en) * | 2021-10-28 | 2023-08-11 | 中国煤炭科工集团太原研究院有限公司 | Coal mine underground vehicle ROPS cab detection test method |
| CN113959701A (en) * | 2021-10-28 | 2022-01-21 | 中国煤炭科工集团太原研究院有限公司 | Comprehensive test bed and test method for hydraulic support and anti-extrusion protection structure |
| CN113959736B (en) * | 2021-10-28 | 2023-07-25 | 中国煤炭科工集团太原研究院有限公司 | Coal mine underground vehicle ROPS cab detection test bed |
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