The test fixture that thimble connects
Technical field
The utility model relates to a kind of mechanism for testing, particularly a kind of device that is used for manual thimble connection test.
Background technology
Traditional thimble manual test device comprises a worktable, handle and coupled moving bar, a hoistable platform of fixedlying connected with moving bar, and two are fixed on guide rail on the platform, two and are fixed on the linear bearing on the hoistable platform and are fixed on handle locating piece and some auxiliary connecting device on the worktable.Thimble directly is embedded on the hoistable platform.Its working method is as follows: object under test is placed in the zone of worktable appointment, there is baffle plate to be used for locating all around, handle is depressed by the upper end, about 150 degree of the handle anglec of rotation, drive coupled moving bar, thereby the hoistable platform of fixedlying connected with moving bar is fallen, and hoistable platform is by moving bar, two guide rails and two linear bearing vertically-guideds, and the thimble on hoistable platform contacts the test point of testee fully.To pull stroke long for handle during test, angle is big, linear bearing guiding distance short (being the vertical cumulative length of the inner ball of linear bearing), the location is inaccurate, easily produce loosening, handle can not rest on a certain centre position simultaneously, needs after test finishes that handle answer 150 degree strokes are turned back the upper end fully and waits for test next time, and testing efficiency is low.
Summary of the invention
The purpose of this utility model provides the device that a kind of manual thimble connects test, and solving in the existing test handle, to pull stroke long, and angle is big, the guiding distance is short, the location is inaccurate, and problems such as the stressed homogeneity of thimble, less stable are guaranteed the reliability of thimble life-span and product test.
The purpose of this utility model is achieved through the following technical solutions:
The test fixture that a kind of thimble connects, be provided with a base, which is provided with a plurality of fixed guides, the upper end of fixed guide is provided with the guide rail locating piece, on fixed guide, be provided with hoistable platform, this hoistable platform links to each other by the spring that is arranged on their rear ends with this guide rail locating piece, the both sides of this hoistable platform are provided with the rotating shaft locating piece, this rotating shaft locating piece and this guide rail locating piece are fixedly linked, between these two rotating shaft fixed blocks, be articulated with a rotating shaft, in this rotating shaft, be provided with a stroke locating piece, wherein, the trip locating piece is square, and four jiaos are arranged to fillet.
Wherein, radius of corner is the distance that hoistable platform is arrived in thimble locating piece axle center when high end position.
This rotating shaft is provided with handle.
In addition, be provided with rail plate on this hoistable platform, the position corresponding with this rail plate at this guide rail locating piece is provided with the rail plate hole, and this rail plate is plugged in this rail plate hole, this rail plate is positioned in the middle of two fixed guides of this front end, and at grade.
Be provided with the thimble locating piece and be positioned at thimble line over cap above this thimble locating piece at the front end of this hoistable platform, they by screw retention on hoistable platform.
Described fixed guide is vertical mutually with base and guide rail locating piece.
And position corresponding with this thimble locating piece on this base is provided with locating platform.
Positive progressive effect of the present utility model is: the manual stroke of handle is short, the anglec of rotation little (90 degree), platform guiding distance and determine by rail plate length, thimble accurate positioning and handle reset reliably, test is rapidly simple, by changing the test that the thimble locating piece can adapt to multiple different objects, improved production efficiency.
Description of drawings
Fig. 1 is the solid signal of the utility model one embodiment, wherein, at lifting table.
Fig. 2 is the side schematic view of Fig. 1.
Fig. 3 is the schematic rear view of Fig. 1.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As Fig. 1,2, shown in 3, the test fixture that a kind of thimble connects, be provided with a base 1, which is provided with a plurality of fixed guides 3, be provided with three fixed guides 3 in the present embodiment, the upper end of fixed guide 3 is provided with guide rail locating piece 2, on fixed guide 2, be provided with hoistable platform 9, this hoistable platform 9 links to each other by the spring 10 that is arranged on their rear ends with this guide rail locating piece 2, the both sides of this hoistable platform 9 are provided with rotating shaft locating piece 7, this rotating shaft locating piece 7 is fixedly linked with this guide rail locating piece 2, is articulated with a rotating shaft 5 between these two rotating shaft fixed blocks 7, and this rotating shaft 5 is provided with handle 6, in this rotating shaft 5, be provided with a stroke locating piece 4, wherein, the trip locating piece 4 is square, and four jiaos are arranged to fillet.Radius of corner is the distance that hoistable platform is arrived in thimble locating piece axle center when high end position.
In addition, be provided with rail plate 8 on this hoistable platform 9, be provided with the rail plate hole in this guide rail locating piece 2 and this rail plate 8 corresponding positions, this rail plate 8 is plugged in this rail plate hole, this rail plate 8 is positioned in the middle of two fixed guides 3 of this front end, and at grade.
Be provided with thimble locating piece 11 and be positioned at thimble line over cap 12 above this thimble locating piece 11 at the front end of this hoistable platform 9, they by screw retention on hoistable platform 9 and replaceable.Inlay gold-plated spring thimble on the thimble locating piece 11, have lead to connect the external testing signal on the thimble.
Described fixed guide 3 is vertical mutually with base 1 and guide rail locating piece 2, and then as can be known, this base 1 is parallel to each other with guide rail locating piece 2.
And position corresponding with this thimble locating piece 11 on this base 1 is provided with locating platform 13.
As shown in Figure 2, the L of stroke up and down of this hoistable platform is determined by stroke locating piece 4 shaft core positions and meets the following conditions:
L=X-Y,
X is the distance that hoistable platform 9 is arrived in thimble locating piece 11 axle center when lower position,
Y is the distance that hoistable platform 9 is arrived in thimble locating piece 11 axle center when high end position.
During use, testee is placed in the posting on the locating platform 13 of base 1, thimble locating piece 11 is in high end position at this moment, direction as shown in Figure 2, inwardly pull handle 6 and drive the rotating shaft 5 that connects, the control stroke locating piece 4 that connects rotating shaft produces 90 degree rotations, and stroke locating piece 4 compressing hoistable platforms descend 9.
Stroke locating piece 4 its edge under the power effect of the spring 10 of 9 of guide rail locating piece 2 and hoistable platforms reliably contacts the location, back with hoistable platform 9 automatically.
Hoistable platform 9 drives thimble locating pieces 11, make thimble drop to lower position and touch corresponding test point from height point position, thereby the test point that makes testee at low dot location by thimble and external testing signal communication.
Test finishes, stir handle in the other direction, make the stroke locating piece that connects rotating shaft 5 produce 45 degree revolutions, the chamfering of stroke locating piece 4 contacts with hoistable platform 9, under the effect of spring force, hoistable platform is automatically reset, test next time thereby make the thimble locating piece 11 that connects hoistable platform 9 reset to high some location pending.
By changing the test that the thimble locating piece can adapt to multiple different objects.