Fuel tank deformation measurement frock
Technical field
The utility model relates to a kind of fuel tank test fixture, and particularly a kind of fuel tank deformation measurement frock belongs to plastic fuel tank pick-up unit technical field.
Background technology
In the test specification for plastic fuel tank, have and need to measure the deflection of fuel tank under high temperature, condition of high voltage, perhaps steep oil for a long time after, the distortion of fuel tank, and in the SCR fuel tank, after urea is freezing, on the impact of fuel tank deflection.
The method of traditional test fuel tank deflection mainly contains: 1. the method for passing through to adopt the pit gauge hand dipping in process of the test, get some points at test stand, take these points as coordinate, measure these points to the distance on fuel tank surface, this measuring method needs to measure once at set intervals, and spended time is longer, and some point is not easy to manual measurement, and the data precision of measurement is poor.2. get measurement ready with the rear three-dimensional of test before the employing test, this test method has certain limitation, can't measure in process of the test, can not record the surface deformation amount of process of the test intermediate fuel oil case.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of fuel tank deformation measurement frock is provided, and makes measurement simple and efficient, and accuracy is high.
For solving above technical matters, a kind of fuel tank deformation measurement frock provided by the utility model, be welded into the test framework by square steel, described test framework comprises the column of four rectangular distributions and is connected to horizontal stand between the column, described horizontal stand is provided with two-layer up and down, and fuel tank places on lower floor's horizontal stand and up and down between the two-layer horizontal stand; Be fixed with the section bar fixed support on described column or the horizontal stand, be fixed with the four sides on the described section bar fixed support with the square aluminum section bar of T shape elongated slot, be fixed with clamp of sensor on the described aluminium section bar, be fixed with the back springing type displacement transducer on the described clamp of sensor, the vertical contact in test position of the probe end of described back springing type displacement transducer and described fuel tank.
With respect to prior art, the utility model has been obtained following beneficial effect: fuel tank is fixed on lower floor's horizontal stand first, again the section bar fixed support is fixed on the column or horizontal stand of test framework, then will be fixed on the square aluminum section bar of T shape elongated slot on the section bar fixed support, then clamp of sensor is fixed on the aluminium section bar, at last the back springing type displacement transducer is clipped on the clamp of sensor probe end of back springing type displacement transducer and the vertical accuracy of measuring to improve that contacts in the test position of fuel tank.
As preferred version of the present utility model, described section bar fixed support comprises U-shaped fixed mount, U-shaped screw bolt seat, screw rod and universal hoof pin, described U-shaped screw bolt seat comprises gripper edge and the gripper edge that is parallel to each other, described screw rod is screwed on the described gripper edge, one end of described screw rod is connected with described universal hoof pin, the other end of described screw rod is provided with the handwheel of regulating universal hoof pin clamping force, and the bottom surface of described universal hoof pin is relative with described gripper edge and be clipped in respectively the both sides of column or the horizontal stand of described test framework; The diapire of described U-shaped fixed mount is fixed on the gripper edge outside of described U-shaped screw bolt seat, be respectively equipped with the kidney-shaped elongated slot on the two side of described U-shaped fixed mount, described aluminium section bar is plugged in the opening of described U-shaped fixed mount, and bolt passes respectively described kidney-shaped elongated slot the two side of described aluminium section bar and the two side of described U-shaped fixed mount are fixed.The bottom surface of universal hoof pin is relative with gripper edge and be clipped in respectively the column of test framework or the both sides of horizontal stand, rotates handwheel and progressively universal hoof pin is compressed, and guarantees that clamping is firm.
As preferred version of the present utility model, described clamp of sensor comprises the section bar terminal pad of coaxial line, rotating base, holder on holder and the sensor under the sensor, described section bar terminal pad is fixed on the described aluminium section bar, described rotating base is fixed on the described section bar terminal pad, holder is fixed on the center of described rotating base under the described sensor, holder is fixed under the described sensor on the holder on the described sensor, surround between the forward surface of holder under holder and the sensor on the described sensor and form a sensor clamping hole, the axis in described sensor clamping hole and the axis of described rotating base are perpendicular, and described back springing type displacement transducer is clamped in the described sensor clamping hole.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, accompanying drawing only provides reference and explanation usefulness, and is non-in order to limit the utility model.
Fig. 1 is the front view of the utility model fuel tank deformation measurement frock.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the stereographic map of Fig. 1.
Fig. 5 is the support bracket fastened front view of the utility model medium section.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the stereographic map of Fig. 5.
Fig. 8 is the front view of clamp of sensor in the utility model.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the vertical view of Fig. 8.
Figure 11 is the stereographic map of Fig. 8.
Figure 12 is the scheme of installation of clamp of sensor in the utility model.
Among the figure: 1. test framework; 2. section bar fixed support; 2a.U shape fixed mount; 2a1. kidney-shaped elongated slot; 2b.U shape screw bolt seat; 2c. screw rod; 2d. universal hoof pin; 2e. handwheel; 3. aluminium section bar; 3a. aluminium section bar connection bracket; 4. clamp of sensor; 4a. section bar terminal pad; 4a1. centre bolt hole; 4a2. terminal pad screw hole; 4a3. terminal pad set bolt; 4b. rotating base; 4b1. arc groove; 4c. holder under the sensor; 4d. holder on the sensor; 4e. sensor clamping hole; 5. back springing type displacement transducer; 6. fuel tank.
Embodiment
As shown in Figures 1 to 4, the utility model fuel tank deformation measurement frock comprises test framework 1, section bar fixed support 2, aluminium section bar 3, clamp of sensor 4 and back springing type displacement transducer 5.Test framework 1 is welded by square steel, comprises the column of four rectangular distributions and is connected to horizontal stand between the column, and horizontal stand is provided with two-layer up and down, and fuel tank 6 places on lower floor's horizontal stand and up and down between the two-layer horizontal stand; Be fixed with section bar fixed support 2 on column or the horizontal stand, be fixed with the four sides on the section bar fixed support 2 with the square aluminum section bar of T shape elongated slot, can realize mutually vertical the connection by aluminium section bar connection bracket 3a between the aluminium section bar 3.Be fixed with clamp of sensor 4 on the aluminium section bar 3, be fixed with back springing type displacement transducer 5 on the clamp of sensor 4, the probe end of back springing type displacement transducer 5 contacts with the test position of fuel tank 6.
Extremely shown in Figure 7 such as Fig. 5, section bar fixed support 2 comprises U-shaped fixed mount 2a, U-shaped screw bolt seat 2b, screw rod 2c and universal hoof pin 2d, U-shaped screw bolt seat 2b comprises gripper edge and the gripper edge that is parallel to each other, screw rod 2c is screwed on the gripper edge, the end of screw rod 2c is connected with universal hoof pin 2d, the other end of screw rod 2c is provided with the handwheel 2e that regulates universal hoof pin 2d clamping force, and the bottom surface of universal hoof pin 2d is relative with gripper edge and be clipped in respectively the column of testing framework or the both sides of horizontal stand; The diapire of U-shaped fixed mount 2a is fixed on the gripper edge outside of U-shaped screw bolt seat 2b, be respectively equipped with kidney-shaped elongated slot 2a1 on the two side of U-shaped fixed mount 2a, aluminium section bar 3 is plugged in the opening of U-shaped fixed mount 2a, and bolt passes respectively kidney-shaped elongated slot 2a1 the two side of aluminium section bar 3 and the two side of U-shaped fixed mount 2a are fixed.
Extremely shown in Figure 12 such as Fig. 8, clamp of sensor 4 comprises under section bar terminal pad 4a, rotating base 4b, the sensor of coaxial line holder 4d on the holder 4c and sensor, the center of section bar terminal pad 4a is provided with centre bolt hole 4a1, terminal pad set bolt 4a3 passes this centre bolt hole 4a1 section bar terminal pad 4a is fixed on the aluminium section bar 3, is evenly distributed with terminal pad screw hole 4a2 on the circumference of section bar terminal pad 4a; The bottom surface of rotating base 4b is fitted on the end face of section bar terminal pad 4a, be arranged with arc groove 4b1 on the circumference of rotating base 4b, screw is screwed into terminal pad screw hole 4a2 from arc groove 4b1 rotating base 4b is fixed on the section bar terminal pad 4a, holder 4c is fixed on the center of rotating base 4b under the sensor, holder 4d is fixed under the sensor on the holder 4c on the sensor, surround between the forward surface of holder 4c under holder 4d and the sensor on the sensor and form a sensor clamping hole 4e, the axis of sensor clamping hole 4e and the axis of rotating base 4b are perpendicular, and back springing type displacement transducer 5 is clamped among the sensor clamping hole 4e.
During detection, fuel tank is fixed on lower floor's horizontal stand first, the bottom surface of universal hoof pin 2d is relative with gripper edge and be clipped in respectively the test column of framework or the both sides of horizontal stand again, rotate handwheel 2e and progressively universal hoof pin 2d is compressed, section bar fixed support 2 is fixed on the column or horizontal stand of test framework; Then will be plugged on the square aluminum section bar 3 of T shape elongated slot in the opening of U-shaped fixed mount 2a, the kidney-shaped elongated slot 2a1 that bolt passes respectively U-shaped fixed mount 2a inserts in the T shape elongated slot of aluminium section bar 3, and nut is spun in T shape elongated slot on the bolt aluminium section bar 3 is fixed with U-shaped fixed mount 2a; Then clamp of sensor 4 is fixed on the aluminium section bar 3, among the centre bolt hole 4a1 of terminal pad set bolt 4a3 insertion section bar terminal pad 4a section bar terminal pad 4a is fixed on the aluminium section bar 3, with screw holder 4c under the sensor and rotating base 4b are linked together again, then being screwed into terminal pad screw hole 4a2 with screw from the arc groove 4b1 of rotating base 4b is fixed on rotating base 4b on the section bar terminal pad, then with screw holder 4d on the sensor is fixed under the sensor on the holder 4c, both sensor clamping hole 4e clamping back springing type displacement transducers 5, the vertical contact in test position of the probe end of back springing type displacement transducer and fuel tank.
The above only is the better possible embodiments of the utility model, and is non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.