Disclosure of utility model
The utility model aims to provide an auxiliary fixture for instrument detection, which solves the problem that the conventional auxiliary fixture for instrument detection is weak in universality in the background technology.
The auxiliary fixture for instrument detection comprises a fixed base, wherein a clamping base is slidably arranged on the left side and the right side above the fixed base, supporting plates are arranged on the left side and the right side above the fixed base, transverse push rods are arranged on the sides, away from each other, of the supporting plates on the two sides, and the telescopic ends of the transverse push rods penetrate through the supporting plates and are fixedly connected with the clamping base;
The clamping bases at the two sides are respectively provided with a guide chute at one side close to each other, the upper side of the clamping base is provided with an extrusion groove, the lower end of the extrusion groove is communicated with the guide chute, the inner side of the guide chute is movably inserted with a clamping column, and one end of the clamping column extends into the inner side of the extrusion groove;
The upper part of the clamping base is provided with a guide support column, the upper side of the guide support column is provided with an extrusion support plate, the upper side of the extrusion support plate is provided with a longitudinal push rod, the outer side of the guide support column is connected with a T-shaped extrusion plate in a sliding manner, the lower end of the T-shaped extrusion plate corresponds to the extrusion groove, and the telescopic end of the longitudinal push rod penetrates through the extrusion support plate and is connected with the upper side of the T-shaped extrusion plate.
Preferably, the inner wall of the guide chute is provided with a cylindrical groove, the inner side of the cylindrical groove is provided with a return spring, and the other end of the return spring extends out of the cylindrical groove and is connected with the clamping column.
Preferably, the clamping column comprises an upper slat and a lower slat which are arranged up and down, the width of the upper slat is larger than that of the lower slat, and an anti-falling plate is arranged on the upper side of one end of the upper slat, which extends into the extrusion groove.
Preferably, one end of the clamping column extending out of the extrusion groove is movably connected with an extrusion wheel, and the diameter of the extrusion wheel is larger than the width of the lower slat.
Preferably, the lower wall of the inner cavity of the guide chute is provided with an anti-skid groove, the anti-skid groove is positioned at the lower side of the extrusion groove, an extrusion hole is formed in the upper side of one end of the clamping column extending into the extrusion groove, an anti-skid column is movably mounted at the inner side of the extrusion hole, the lower end of the anti-skid column is provided with an anti-skid plate corresponding to the anti-skid groove, and the lower end of the anti-skid column is also provided with a thrust spring connected with the inner wall of the extrusion hole.
Compared with the prior art, the utility model has the beneficial effects that:
1) The device adapts to the size change of the instrument through the clamping columns capable of sliding along the guide sliding grooves, after a plurality of clamping columns are attached to the instrument, the clamping columns are fixed by pressing down through the T-shaped extrusion plates, and the fixed clamping columns can also fix the instrument at the moment;
2) The clamping columns in the device can slide along the guide sliding grooves, so that a plurality of clamping columns can extend out of the guide sliding grooves for different lengths, then, one instrument is jointly fixed through the adjacent clamping columns on the clamping base, so that the instruments with different sizes are clamped and fixed in one clamping, the instruments with different sizes and shapes can be clamped in one clamping, the clamping times in the instrument detection process can be reduced, the clamping time of the instruments is further shortened, and the clamping efficiency is improved.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
Referring to fig. 1-4, the utility model provides a technical scheme that an auxiliary fixture for instrument detection comprises a fixing part, a clamping part and an upward pressing part. The fixing part comprises a fixing base 11, a supporting plate 12 and a transverse push rod 13, wherein the fixing base 11 is provided with a mounting hole, and the fixing part is connected with a workbench of the detection equipment through a bolt penetrating through the mounting hole and can fix the device on the workbench of the detection equipment. The linear guide rail is arranged on the front side and the rear side of the upper portion of the fixed base 11, the clamping bases 31 are connected with the linear guide rail through sliding blocks, the number of the clamping bases 31 is two, the two clamping bases 31 are symmetrically distributed on the left side and the right side of the upper portion of the fixed base 11, the supporting plates 12 are arranged on the left side and the right side of the upper portion of the fixed base 11, reinforcing ribs are arranged on the outer sides of the supporting plates 12 and used for reinforcing connection between the supporting plates 12 and the fixed base 11. The two sides of the supporting plate 12 are far away from each other, the side of each supporting plate is provided with a transverse push rod 13, the telescopic ends of the transverse push rods 13 penetrate through the supporting plate 12 and are fixedly connected with the clamping bases 31, the two sides of the clamping bases 31 are driven to be close to or far away from each other by the transverse push rods 13 on the two sides, and when the two sides of the clamping bases 31 are close to each other, the instrument between the two sides of the clamping bases 31 can be clamped.
The clamping member includes a clamping base 31, a clamping post 41, a cleat 42, a thrust spring 43, a drop-off prevention plate 44, and a pinch roller 45. The guide sliding grooves 33 are formed in the two sides of the clamping base 31 on one side, which is close to each other, of the clamping base 31, at least four guide sliding grooves 33 are formed in the clamping base 31, the guide sliding grooves 33 are parallel to each other, one end of the clamping column 41 is movably inserted into the inner side of the guide sliding groove 33, and when the instrument is extruded, the clamping column 41 slides towards the inner side of the guide sliding groove 33, so that the clamping columns 41 can be contacted with the instrument. When a common circular instrument is clamped by four clamping columns 41, the instrument is fixed, the four clamping columns 41 are symmetrically distributed, and two clamping columns 41 are used on each side of the clamping base 31. When the meter with an irregular shape is clamped, the meter is fixed by the clamping columns 41 on the two sides of the meter being close to each other and in contact with the meter, and four or more clamping columns 41 with even number can be used according to the size of the meter. The extrusion groove 35 has been seted up to the upside of centre gripping base 31, and the lower extreme and the direction spout 33 of extrusion groove 35 are to leading to, and the T type stripper plate 23 on the upper pressure part stretches into extrusion groove 35 in, can stretch into the inboard one end of extrusion groove 35 to grip post 41 and extrude, and then fix grip post 41 to make things convenient for grip post 41 to carry out the centre gripping fixedly to the instrument. The inner wall of the guide chute 33 is provided with a cylindrical groove 32, the inner side of the cylindrical groove 32 is provided with a reset spring 50, the other end of the reset spring 50 extends out of the cylindrical groove 32 and is connected with the clamping column 41, the elastic force of the reset spring 50 pushes the clamping column 41 to reset, so that the clamping column 41 is in an initial position each time before the instrument is clamped, manual adjustment of the clamping column 41 is avoided, labor is saved, and in the clamping process, the elastic force of the reset spring 50 pushes the clamping column 41 to be attached to the instrument, and the instrument is clamped conveniently. The cylindrical groove 32 is used for placing the return spring 50, when the return spring 50 is completely contracted back to the cylindrical groove 32, the clamping post 41 is attached to the outer wall of the cylindrical groove 32, and at this time, the pressure of the cylindrical groove 32 to the return spring 50 is not increased any more, so that the return spring 50 is prevented from being subjected to excessive pressure.
The upper pressing part includes a longitudinal push rod 21, a guide support column 22, a T-shaped pressing plate 23, and a pressing support plate 24. The four guide support columns 22 are respectively arranged at four corners above the clamping base 31, the extrusion support plate 24 is arranged at the upper side of the guide support columns 22, and the upper ends of the four guide support columns 22 are respectively connected with the four corners at the lower side of the extrusion support plate 24. The upper side of the extrusion supporting plate 24 is provided with a longitudinal push rod 21, the telescopic end of the longitudinal push rod 21 penetrates through the extrusion supporting plate 24 and is connected with the upper side of the T-shaped extrusion plate 23, the guide supporting column 22 penetrates through the T-shaped extrusion plate 23, and the outer side of the guide supporting column 22 is connected with the T-shaped extrusion plate 23 through a sliding block. The lower end of the T-shaped extrusion plate 23 corresponds to the extrusion groove 35, and when the T-shaped extrusion plate 23 moves down to the lower limit, the lower end of the T-shaped extrusion plate 23 extends into the extrusion groove 35 to extrude the clamping column 41, and then the clamping column 41 is fixed.
The clamping column 41 is also provided with a T shape and comprises an upper slat and a lower slat which are arranged up and down, the width of the upper slat is larger than that of the lower slat, the guide chute 33 corresponds to the clamping column 41, the guide chute 33 comprises an upper slat corresponding to the upper slat and a lower slat corresponding to the lower slat, the extrusion slot 35 extends downwards to the upper slat and does not enter the lower slat when the extrusion slot 35 is opened, the upper slat is provided with an anti-falling plate 44 at the upper side of one end extending into the extrusion slot 35, and the width of the anti-falling plate 44 is larger than that of the upper slat, so that the anti-falling plate 44 cannot slide out through the upper slat, and further the clamping column 41 is prevented from falling from the guide chute 33.
The end of the clamping column 41 extending out of the extrusion groove 35 is movably connected with an extrusion wheel 45, and is clamped with the instrument through the extrusion wheel 45 so as to prevent the instrument from being scratched by edges and corners, and the instrument is also required to be protected in nondestructive detection. Because of the variety of irregular meter shapes, the diameter of the extrusion wheel 45 is set to be larger than the width of the lower strip plate in order to facilitate the contact of the extrusion wheel 45 with the meter, so that the extrusion wheel 45 is firstly contacted with the meter when the clamping column 41 is contacted with the meter.
In order to facilitate the sliding of the clamping post 41, the inner wall of the guiding chute 33 is polished, so that an anti-slip surface is also required to be arranged on the inner side of the guiding chute 33 to avoid the sliding of the pressed clamping post 41, an anti-slip groove 34 is arranged on the lower wall of the inner cavity of the guiding chute 33, an anti-slip surface is arranged at the bottom of the anti-slip groove 34, the anti-slip groove 34 is concave, and the clamping post 41 is not contacted with the inner wall of the anti-slip groove 34 under normal conditions. The clamping column 41 stretches into the upper side of one end of the extrusion groove 35, an extrusion hole is formed in the upper side of one end of the extrusion groove, the anti-skid column 42 is movably arranged on the inner side of the extrusion hole, the anti-skid column 42 can slide up and down, a thrust spring 43 connected with the inner wall of the extrusion hole is further arranged at the lower end of the anti-skid column 42, under normal conditions, the thrust spring 43 pushes the anti-skid column 42 to be located at the upper limit, at the moment, the upper end of the anti-skid column 42 stretches out of the extrusion hole, when the T-shaped extrusion plate 23 is located at the lower limit, the T-shaped extrusion plate 23 extrudes the anti-skid column 42 to move downwards, the lower end of the anti-skid column 42 stretches out of the extrusion hole, an anti-skid plate corresponding to the anti-skid groove 34 is arranged at the lower end of the anti-skid column 42, after the lower end of the anti-skid column 42 stretches out of the extrusion hole, the anti-skid plate 42 pushes the anti-skid plate to be in contact with the anti-skid surface of the anti-skid groove 34, and the friction coefficient is increased through the anti-skid plate and the anti-skid groove 34, and the sliding of the clamping column 41 is prevented from sliding. Since the anti-skid column 42 needs to be pushed by the T-shaped pressing plate 23, the anti-skid groove 34 may be located at the lower side of the pressing groove 35.
The working principle is that a meter to be detected is placed between two clamping bases 31, then a transverse push rod 13 is started, the transverse push rod 13 pushes the two clamping bases 31 to be mutually close, the clamping bases 31 on two sides drive clamping columns 41 corresponding to the transverse push rod to be mutually close, extrusion wheels 45 on the clamping columns 41 are in contact with the meter, the clamping columns 41 are subjected to reaction force transmitted by the extrusion wheels 45, the reaction force pushes the clamping columns 41 to move towards one side close to a reset spring 50 and compress the reset spring 50, finally the extrusion wheels 45 on two sides of the meter are in contact with the meter, then a longitudinal push rod 21 is started, the longitudinal push rod 21 pushes a T-shaped extrusion plate 23 to descend, the T-shaped extrusion plate 23 descends to extrude and fix the clamping columns 41, and the meter is fixed by the clamping columns 41.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described above, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments and can be embodied in other specific forms without departing from the spirit or essential features of the present utility model, and therefore, the embodiments should be considered exemplary and non-limiting in all respects, the scope of the present utility model is defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.