A kind of novel slope impact tester
Technical field
The utility model belongs to the experimental facilities technical field, is specifically related to a kind of novel slope impact tester.
Technical background
Slope impact tester is to utilize the dolly potential energy that a certain height is had on the inclined-plane, makes test specimen glide along the inclined-plane and impact panel with dolly and clashes into, and produces ballistic work.The damaged condition of size and test specimen through the test ballistic work is obtained a kind of experimental facilities of test specimen impact resistance.For the product of needs transportations, the test of the ballistic work experiment link that is absolutely necessary also is one of index of check packing of product reliability.
Existing slope impact tester, the cart stationary that sample normally will be housed is raised up to setting height by hydraulic cylinder again in the relevant position of impacting on the inclined-plane.Dolly is in the process of raising; Shake easily, can exert an influence, will dolly be positioned on the inclined-plane track that the shock surface plate resistance hinders simultaneously test findings; The trouble that operates very, and defective such as existing experimental facilities also exists complex structure, costs an arm and a leg, serviceable life is short.
The utility model content
The purpose of the utility model provides that a kind of experimental result is more accurate, simple in structure, easy to operate, the novel slope impact tester of low cost of manufacture and long service life.
For solving above-mentioned technical matters, the technical scheme that the utility model is taked is:
A kind of novel slope impact tester comprises and impacts inclined-plane, impact panel and dolly;
Said impact inclined-plane comprises guide rail one and fixed support, is connected through U type groove between guide rail one and fixed support; Impacting panel is connected through stationary shaft with impact inclined-plane one end; Said dolly comprises vehicle body and wheel two parts, and wheel is arranged on the guide rail one; It is characterized in that: impact the inclined-plane other end and be provided with draw-gear, said draw-gear is connected with dolly; Said draw-gear comprises motor, speed reduction unit, belt wheel, wire rope, pulley and cylinder; Motor, belt wheel and cylinder connect successively and are arranged on the fixed support, and pulley is arranged on the top that impacts the inclined-plane, the wire rope winding on cylinder, the one of which end be provided with hook and through be provided with on pulley and the dolly hollow and annular projection clasp joint.
Said impact panel comprises bottom steelframe, guide rail two, hydraulic cylinder and pedestal; The bottom steelframe is the medium altitude groove shape; Be embedded with the padded coaming plate in it; Two sections guide rails two are through being threaded on the fender flitch, and its position is corresponding with the guide rail one on impacting the inclined-plane, and hydraulic cylinder is arranged on the pedestal and with the bottom steelframe and links to each other.
Above-mentioned guide rail one xsect adopts hollow " worker " font structure, and wheel is a fluted body, and inside grooves is provided with rubber ring, and its inboard is connected in the outside of impacting " worker " type guide rail one on the inclined-plane.Hollow-core construction can effectively reduce the weight of equipment, and practices thrift cost.
Above-mentioned wheel 15 sides are provided with electromagnetic brake, and electromagnetic brake is connected with signal controller with displacement transducer.When detent was received the brake signal that is sent by controller, the wheel body limited in rotation caused dolly out of service, is fixed on the desired location; Otherwise when receiving release signal, detent stops braking, and dolly impacts the completion whole experiment downwards along the inclined-plane under the effect of gravity.
Compare with existing experimental facilities, the utlity model has following advantage:
1, behind the loading, dolly is not to be elevated but at the uniform velocity slowly rising under the traction of draw-gear, and the setting of draw-gear can guarantee the balance of dolly in distraction procedure; And it is simple and reliable; Rock very for a short time, do not influence experimental result, and can improve the serviceable life of machine.
2, the hydraulic cylinder that uses in the equipment, electromagnetic brake, displacement transducer etc. all are standard component, so equipment overall structure has good interchangeability, greatly reduce cost of manufacture.
3, impacting panel can be around rotating with impacting the axle that the inclined-plane is connected flexibly, but both horizontal positioned, again can with impact the inclined-plane and be 90 angles and place.Solved preferably and be difficult for dolly is placed on the difficult problem on the inclined-plane track that the shock surface plate resistance hinders.
4, hollow-core construction can effectively reduce the weight of equipment, and practices thrift cost.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Wherein: the 1-motor; The 2-speed reduction unit; The 3-belt wheel; The 4-wire rope; The 5-pulley; The 6-cylinder; 7-hollow and annular projection, 8-guide rail one; The 9-fixed support; 10-bottom steelframe; 11-guide rail two; The 12-hydraulic cylinder; The 13-pedestal; The 14-vehicle body; The 15-wheel; The 16-electromagnetic brake; The 17-displacement transducer; The 18-signal controller.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
A kind of novel slope impact tester comprises and impacts inclined-plane, impact panel and dolly; Said impact inclined-plane comprises guide rail 1 and fixed support 9, and 9 of guide rail 1 and fixed supports are connected through U type groove; Impacting panel is connected through stationary shaft with impact inclined-plane one end; Said dolly comprises vehicle body 14 and wheel 15 two parts, and wheel is arranged on the guide rail 1; It is characterized in that: impact the inclined-plane other end and be provided with draw-gear, said draw-gear is connected with dolly.Above-mentioned draw-gear comprises motor 1, speed reduction unit 2, belt wheel 3, wire rope 4, pulley 5 and cylinder 6; Motor 1, belt wheel 3, and cylinder 6 connect successively and be arranged on the fixed support 9; Pulley 5 is arranged on the top that impacts the inclined-plane; Wire rope 4 windings on cylinder 6, the one of which end be provided with hook and through be provided with on pulley 5 and the dolly hollow and annular projection 7 clasp joints.The setting of draw-gear can guarantee the balance of dolly in distraction procedure, and simple and reliable, makes test findings more accurate.Said impact panel comprises bottom steelframe 10, guide rail 2 11, hydraulic cylinder 12 and pedestal 13; Bottom steelframe 10 is the medium altitude groove shape; Be embedded with the padded coaming plate in it; Two sections guide rails 2 11 are through being threaded on the fender flitch, and its position is corresponding with the guide rail 1 on impacting the inclined-plane, and hydraulic cylinder 12 is arranged on pedestal 13 and with bottom steelframe 10 and links to each other.Above-mentioned guide rail one 8 xsects adopt hollow " worker " font structure, and wheel 15 is a fluted body, and inside grooves is provided with rubber ring, and its inboard is connected in the outside of impacting " worker " type guide rail 1 on the inclined-plane.Hollow-core construction can effectively reduce the weight of equipment, and practices thrift cost.Above-mentioned wheel 15 sides are provided with electromagnetic brake 16.When detent 16 was received the brake signal that is sent by controller 18, wheel body 15 limited in rotation caused dolly out of service, are fixed on the desired location; Otherwise when receiving release signal, detent 16 stops braking, and dolly impacts the completion whole experiment downwards along the inclined-plane under the effect of gravity.
But impact both horizontal positioned of panel, can under the effect of hydraulic cylinder, pivot to again, be on the position of 90 angles with the impact inclined-plane.
Dolly vehicle body integral support is lifted base plate and is can be folded into the overlapping placement of " L " shape by the steel pipe bending and forming, and conserve space is convenient to transportation and storage.
The location of dolly adopts displacement transducer and signal controller to realize.The impact velocity that at first will reach according to the dolly needs before the test calculates dolly at the displacement that impacts on the inclined-plane, and is entered in the control device.Displacement transducer is installed on the circular protrusion of dolly afterbody, and when dolly moved, it can detect the dolly afterbody in real time apart from the displacement of impacting panel, and sends it to control device.When dolly displacement equated with the displacement of setting, control device will send signal, the start-stop of synchro control draw-gear and the braking of electromagnetic brake.
When using the utility model; At first the shock surface plate level is placed, the dolly that has loaded test specimen gets into the impact inclined-plane by impacting panel under the traction of motor 1, when displacement transducer detects moving of car to the precalculated position; Send signal; Indication motor 1 quits work, and electromagnetic brake starts thereupon, makes cart stationary on guide rail 1.Simultaneously, impact panel and under the effect of hydraulic cylinder 12, form 90 angles with the impact inclined-plane.During test, with taking out the boss 7 of the hook on the wire rope from dolly, electromagnetic brake stops braking, and dolly is accomplished whole experiment along impacting the inclined-plane downslide and impacting panel and impact.