A kind of device of testing coefficient of heat conductivity on-gauge plate thickness
Technical field
The present invention relates to the detection technique field, is a kind of device of testing coefficient of heat conductivity on-gauge plate thickness specifically.
Background technology
Will use the coefficient of heat conductivity on-gauge plate when the coefficient of heat conductivity of test insulation material, the thickness of on-gauge plate can produce considerable influence to thermal conductivity value, if the coefficient of heat conductivity of on-gauge plate exists the problem such as nonstandard can cause the coefficient of heat conductivity of tested insulation material incorrect.The coefficient of heat conductivity on-gauge plate mostly is nonmetal soft material, and after use a period of time, its thickness can change, and tackles its thickness and again demarcates.Thickness according to the relevant regulations on-gauge plate is the average thickness that records in pressurized 230N situation, and this kind material rapid wear is avoided and jolted, the existing device that does not also have a kind of suitable on-the-spot test coefficient of heat conductivity on-gauge plate gauge.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art existence, the object of the present invention is to provide a kind of a kind of device of testing coefficient of heat conductivity on-gauge plate thickness of thickness of the coefficient of heat conductivity on-gauge plate that is applicable to measure.
In order to address the above problem, the present invention by the following technical solutions: a kind of device of testing coefficient of heat conductivity on-gauge plate thickness, it is characterized in that, comprise main stand, data calculation display, device for exerting and measurement mechanism;
Described main stand comprises pedestal, web joint and semi-girder, the bottom of described web joint is fixed on the centre position of pedestal right flank, web joint is perpendicular to the upper surface of pedestal, described semi-girder is fixed on the upper end of web joint, semi-girder is positioned at the top of pedestal and parallel with the upper surface of pedestal, also is respectively equipped with rubber cushion on four angles of the bottom surface of pedestal;
Described device for exerting comprises handwheel, leading screw, screw, the bearing with spherical outside surface of usheing to seat, pressing plate, pressure transducer, supporting plate, described screw is installed in the through hole on the semi-girder by trip bolt, intersect at the center of the axis of through hole and the upper surface of pedestal, described leading screw is installed in the screw, handwheel is installed in the upper end of leading screw, the bearing with spherical outside surface of usheing to seat is assembled in the lower end of leading screw, bolt is passed through in the usher to seat lower end of bearing with spherical outside surface, nut is fixedly connected with pressing plate, be separately installed with pressure transducer on four angles of the upper surface of described pedestal, supporting plate, supporting plate are installed in the top of pressure transducer, the upper surface of pressing plate and pedestal is parallel to each other;
Described measurement mechanism comprises supersonic thickness meter and measured hole, described measured hole has four, is separately positioned on four angles of pressing plate, and measured hole is through hole and vertical with the pressing plate upper surface, described ultrasonic meter has four, is separately positioned on the top of measured hole;
Described data calculation display is arranged on the top of semi-girder, and the data calculation display is connected with supersonic thickness meter by the dimensional measurement wire, and the data calculation display is connected with pressure transducer by the pressure sensing line.
The invention has the beneficial effects as follows: this device is easy to operate, rapidly and accurately the thickness of heat conducting coefficient measuring on-gauge plate.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples:
Fig. 1 is the front view (partial cutaway) of the embodiment of the invention;
Fig. 2 is the left view of the embodiment of the invention;
Fig. 3 is the vertical view of the embodiment of the invention;
Among the figure: 1 rubber cushion, 2 pedestals, 3 pressure transducers, 4 on-gauge plates, 5 pressing plates, 6 measured holes, 7 supersonic thickness meters, 8 trip bolts, 9 screws, 10 supporting plates, 11 bearing with spherical outside surfaces of usheing to seat, 12 leading screws, 13 handwheels, 14 semi-girders, 15 data calculation displays, 16 web joints, 17 dimensional measurement wires, 18 pressure sensing lines.
Embodiment
Such as accompanying drawing 1, Fig. 2, shown in Figure 3, a kind of device of testing coefficient of heat conductivity on-gauge plate thickness comprises main stand, data calculation display 15, device for exerting and measurement mechanism.
Described main stand comprises pedestal 2, web joint 16 and semi-girder 14, the bottom of described web joint 16 is fixed on the centre position of pedestal 2 right flanks, web joint 16 is perpendicular to the upper surface of pedestal 2, described semi-girder 14 is fixed on the upper end of web joint 16, semi-girder 14 is positioned at the top of pedestal 2 and parallel with the upper surface of pedestal 2, also is respectively equipped with rubber cushion 1 on four angles of the bottom surface of pedestal 2.Rubber cushion can play anti-skidding and effect antidetonation.
Described device for exerting comprises handwheel 13, leading screw 12, screw 9, the bearing with spherical outside surface 11 of usheing to seat, pressing plate 5, pressure transducer 3, supporting plate 10, described screw 9 is installed in the through hole on the semi-girder 14 by trip bolt 8, intersect at the center of the upper surface of the axis of through hole and pedestal 2, described leading screw 12 is installed in the screw 9, handwheel 13 is installed in the upper end of leading screw 12, the bearing with spherical outside surface 11 of usheing to seat is assembled in the lower end of leading screw 12, the bearing with spherical outside surface 11 of usheing to seat passes through bolt, nut is fixedly connected with pressing plate 5, be separately installed with pressure transducer 3 on four angles of the upper surface of described pedestal 2, supporting plate 10, supporting plate 10 are installed in the top of pressure transducer 3, the upper surface of pressing plate 5 and pedestal 2 is parallel to each other.
Described measurement mechanism comprises supersonic thickness meter 7 and measured hole 6, described measured hole 6 has four, is separately positioned on four angles of pressing plate 5, and measured hole 6 is through hole and vertical with pressing plate 5 upper surfaces, described ultrasonic meter 7 has four, is separately positioned on the top of measured hole 6.
Described data calculation display 15 is arranged on the top of semi-girder 14, and data calculation display 15 is connected with supersonic thickness meter 7 by dimensional measurement wire 17, and data calculation display 15 is connected with pressure transducer 3 by pressure sensing line 18.
When measuring, at first rotate counterclockwise handwheel 13, pressing plate 5 rises under the effect of leading screw 12, on-gauge plate 4 is placed on the supporting plate 10, then clockwise rotate handwheel 13, pressing plate 5 presses down on-gauge plate 4 under the effect of leading screw 12, and the change value of pressure that shows on the observed data calculation display 15, handwheel 13 stops operating when force value reaches 230N, this moment, four supersonic thickness meters 7 were presented at the thickness value that records on the data calculation display 15, and data calculation display 15 automatically calculates on-gauge plate 4 thickness average value and shows.