Comprehensive calibrating device for bidirectional push-pull force meter
Technical Field
The utility model relates to the technical field of metering appliance verification, in particular to a comprehensive verification device for a bidirectional push-pull force meter.
Background
For verification of the push-pull force meter, a mode of hanging weights and pressing weights is adopted conventionally, the process of the push-pull force meter is labor-consuming, verification efficiency is low, and a plurality of inconveniences are brought to daily metering verification work of metering verification mechanisms and enterprises, so that the development of verification equipment special for the push-pull force meter is necessary, and the problems of single function (namely, only verification of pull force or only verification of push force), insufficient clamping convenience and the like of the existing verification equipment generally exist, and the further improvement is still needed.
Disclosure of utility model
Aiming at the technical problems, the utility model provides a comprehensive calibrating device for a bidirectional push-pull force meter, which can conveniently calibrate the pull force and the push force of the push-pull force meter, and is convenient for clamping operation.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The comprehensive verification device for the bidirectional push-pull force meter comprises a workbench, wherein a linear sliding table is connected onto the workbench in a sliding manner, a first fixing seat is fixedly arranged at one end of the workbench, which is positioned on a sliding path of the linear sliding table, a pull ring is arranged at one side, close to the linear sliding table, of the first fixing seat, and a tension sensor is connected between the pull ring and the first fixing seat;
A second fixing seat is fixedly arranged at the other end of the sliding path of the linear sliding table on the workbench, a push rod is arranged at one side, close to the linear sliding table, of the second fixing seat, and a pressure sensor is connected between the push rod and the second fixing seat;
The linear sliding table is characterized in that a vertical seat is fixedly arranged on the linear sliding table, a clamping table is arranged on the vertical seat, a flat supporting plate is arranged at the top of the clamping table, a fixed clamping plate used for clamping the push-pull force gauge is fixedly connected to one side of the flat supporting plate, which is close to the first fixing seat, and a movable clamping plate used for clamping the push-pull force gauge is slidably connected to one side of the flat supporting plate, which is close to the second fixing seat.
As an optimized technical scheme, a ball screw is rotationally connected between the first fixing seat and the second fixing seat, the ball screw is in threaded connection with the linear sliding table, and a hand crank wheel is fixedly connected to the ball screw
As the preferable technical scheme, the ball screw is fixedly connected with a large gear, one side of the ball screw is rotatably provided with a countershaft, the countershaft is fixedly connected with a slow knob and a small gear, and the small gear is meshed with the large gear.
As the preferable technical scheme, the fixed clamping plate is vertically provided with a first slot, and the movable clamping plate is vertically provided with a second slot.
As the preferable technical scheme, the clamping bench is fixedly connected with a sliding guide rod along the sliding direction of the linear sliding table, the movable clamping plate is in sliding connection with the sliding guide rod, a spring is sleeved on the sliding guide rod, and the spring pushes the movable clamping plate towards the direction close to the fixed clamping plate.
As an optimal technical scheme, the side surface of the movable clamping plate is fixedly connected with a poking plate.
As the preferable technical scheme, the clamping table is vertically connected to the vertical seat in a sliding manner, a vertical dovetail sliding rail is arranged on the vertical seat, and a dovetail sliding groove matched with the dovetail sliding rail is arranged on the clamping table.
As the preferable technical scheme, the vertical rack is fixedly connected to the vertical seat, the clamping table is rotationally connected with the adjusting shaft, the adjusting shaft is fixedly connected with the adjusting gear and the lifting knob, and the adjusting gear is meshed with the rack.
As the preferable technical scheme, the clamping table is connected with a locking screw in a threaded manner, and the locking screw is used for propping against the side surface of the vertical seat.
As an optimal technical scheme, the digital display screen is arranged on the workbench, and the tension sensor and the pressure sensor are respectively and electrically connected with the digital display screen through the controller.
Compared with the prior art, the utility model has the following advantages:
1. Through the fixed first fixing base that sets up in the slip path one end of sharp slip table, the pull ring that uses first fixing base one side cooperates with the pulling force hook on the push-pull gauge, can be used to examine and determine the pulling force degree of accuracy of push-pull gauge, the fixed second fixing base that sets up of slip path other end at sharp slip table simultaneously uses ejector pin and the push rod cooperation on the push-pull gauge of second fixing base one side, can be used to examine and determine the pushing force degree of accuracy of push-pull gauge, the device possesses pulling force examination and pushing force examination two kinds of functions, once the clamping can realize two kinds of examination operations.
2. The ball screw with higher precision is used for driving the linear sliding table to slide, the ball screw can be driven by the hand crank wheel to rotate rapidly, the linear sliding table can slide to a required position rapidly, and the ball screw can also be driven by the slow knob to rotate slowly, so that the load can be applied to the push-pull force meter smoothly in the verification process, and the verification precision is improved.
3. One side of the flat supporting plate, which is close to the first fixing seat, is provided with a fixed clamping plate, the fixed clamping plate can provide tension for the push-pull force meter when tension is detected, and can provide thrust for the push-pull force meter when thrust is detected, one side of the flat supporting plate, which is close to the second fixing seat, is provided with a movable clamping plate, the push-pull force meter is clamped between the fixed clamping plate and the movable clamping plate by means of spring elastic jacking, and the push-pull force meter is convenient to clamp and applicable to push-pull force meters of different sizes.
Drawings
FIG. 1 is a schematic diagram of a comprehensive calibration device for a two-way push-pull meter according to the present utility model;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A;
FIG. 3 is a schematic structural view of the linear sliding table and the clamping table in FIG. 1;
FIG. 4 is an exploded view of the linear slide and clamping table of FIG. 3;
fig. 5 is a view showing the effect of the comprehensive verification device for the two-way push-pull meter in fig. 1.
In the drawing the view of the figure,
10-Workbench, 11-digital display screen, 20-first fixing seat, 21-tension sensor, 22-pull ring, 30-second fixing seat, 31-pressure sensor, 32-ejector pin, 40-ball screw, 41-hand wheel, 42-large gear, 50-auxiliary shaft, 51-slow knob, 52-pinion, 60-linear sliding table, 61-vertical seat, 611-dovetail sliding rail, 612-rack, 70-clamping table, 71-dovetail sliding groove, 72-adjusting shaft, 721-adjusting gear, 722-lifting knob, 73-locking screw, 74-flat supporting plate, 741-fixed clamping plate, 741-first grooving, 742-sliding notch, 743-movable clamping plate, 7431-second grooving, 7432-poking plate, 75-sliding guide rod, 76-spring, 80-push-pull meter, 81-tension hook and 82-thrust rod.
Detailed Description
The following detailed description of the utility model will be made with reference to the accompanying drawings.
1-5, A comprehensive verification device of a bidirectional push-pull force meter comprises a workbench 10, a first fixed seat 20, a second fixed seat 30 and a linear sliding table 60, wherein the first fixed seat 20, the second fixed seat 30 and the linear sliding table 60 are arranged on the workbench 10, the linear sliding table 60 can horizontally slide left and right on the workbench 10, the first fixed seat 20 is fixedly arranged at the left end of a sliding path of the linear sliding table 60, the second fixed seat 30 is fixedly arranged at the right end of the sliding path of the linear sliding table 60, a ball screw 40 is arranged between the first fixed seat 20 and the second fixed seat 30 along the left and right horizontal direction, the ball screw 40 is respectively connected on the first fixed seat 20 and the second fixed seat 30 in a rotating way, the ball screw 40 is in threaded connection with the linear sliding table 60, the right end part of the ball screw 40 is fixedly connected with a hand crank 41 and a large gear 42, one side of the ball screw 40 is rotationally provided with a countershaft 50 parallel to the ball screw, a slow knob 51 and a small gear 52 are fixedly connected on the countershaft 50, the small gear 52 is meshed with the large gear 42, the rotating wheel 41 or the slow rotating knob 51 can be rotated to rotate to the ball screw 40 to rotate to the slow knob 40 so that the ball screw 40 can be driven to rotate slowly by the slow rotation speed of the small gear 52 when the small gear 52 is driven by the small gear 52 and the small gear 42 to the small gear 40 to rotate the small gear 40.
The linear sliding table 60 is fixedly provided with a vertical seat 61, the vertical seat 61 is provided with a vertical dovetail sliding rail 611, the vertical seat 61 is provided with a clamping table 70, the clamping table 70 is provided with a dovetail sliding groove 71 matched with the dovetail sliding rail 611, the clamping table 70 can vertically slide on the vertical seat 61, the vertical seat 61 is fixedly connected with a vertical rack 612, the clamping table 70 is rotationally connected with an adjusting shaft 72 perpendicular to the rack 612, the adjusting shaft 72 is fixedly connected with an adjusting gear 721 and a lifting knob 722, the adjusting gear 721 is meshed with the rack 612, the adjusting gear 721 rolls along the rack 612 by rotating the lifting knob 722, the clamping table 70 can be driven to ascend or descend, the clamping table 70 is in threaded connection with a locking screw 73, and after the clamping table 70 reaches a proper height position, the clamping table 70 can be tightly abutted against the side surface of the vertical seat 61 by screwing the locking screw 73, and the clamping table 70 is locked.
The clamping bench 70 top is equipped with flat layer board 74, the left end fixedly connected with fixed splint 741 of flat layer board 74, be equipped with first fluting 741 along vertical on the fixed splint 741, the right side of fixed splint 741 is equipped with movable splint 743, be equipped with second fluting 7431 along vertical on the movable splint 743, slide notch 742 has been seted up along horizontal direction about on the flat layer board 74, movable splint 743's bottom slides and sets up in slide notch 742, still be connected with slide guide arm 75 along horizontal direction about on the clamping bench 70, movable splint 743's bottom passes slide notch 742 and sliding connection on slide guide arm 75, the cover is equipped with spring 76 on the slide guide arm 75, spring 76 pushes up movable splint 743 to the left, make movable splint 743 have the slip trend that is close to fixed splint 741, movable splint 743's front side fixedly connected with toggle plate 7432, toggle plate 7432 is used for toggling movable splint 743 to the right, make it keep away from fixed splint 741.
The right side of the first fixing seat 20 is provided with a pull ring 22 corresponding to a first slot 7411 on the fixed clamping plate 741, a pull sensor 21 is connected between the pull ring 22 and the first fixing seat 20, the left side of the second fixing seat 30 is provided with a push rod 32 corresponding to a second slot 7431 on the movable clamping plate 743, a pressure sensor 31 is connected between the push rod 32 and the second fixing seat 30, a digital display screen 11 is arranged on the workbench 10, and the pull sensor 21 and the pressure sensor 31 are respectively electrically connected with the digital display screen 11 through a controller.
The device is used for calibrating a traditional bidirectional push-pull force meter 80, one end of the bidirectional push-pull force meter 80 is provided with a pull hook 81, the other opposite end is provided with a push rod 82, the common products in the market at present are not greatly different in general appearance, but different in size, before calibration begins, the push-pull force meter 80 can be placed between a fixed clamping plate 741 and a movable clamping plate 743 by pulling a plate 7432 rightwards, the pull hook 81 on the push-pull force meter 80 can be placed in a first slot 7411 from top to bottom, the push rod 82 can be placed in a second slot 7431 from top to bottom, so that the push-pull force meter 80 can be stably placed on a flat supporting plate 74, the pulling plate 7432 is released, the push-pull force meter 80 can be clamped between the fixed clamping plate 741 and the movable clamping plate 743 by utilizing the elastic force of a spring 76, and then the height position of a clamping table 70 is adjusted, so that the pull hook 81 on the push-pull force meter 80 corresponds to the pull rod 22 on a first fixing seat 20 horizontally, or the push rod 82 on the push-pull meter 80 corresponds to the push rod 82 on a second fixing seat 30 horizontally.
When the push-pull force gauge 80 needs to be tested for tension, the hand-operated wheel 41 can be rotated to enable the push-pull force gauge 80 to be close to the pull ring 22 leftwards and quickly, the tension hook 81 is hung on the pull ring 22, the push-pull force gauge 80 is slowly pulled rightwards by rotating the slow knob 51, the fixed clamping plate 741 provides stable rightwards tension for the push-pull force gauge 80, the tension sensor 21 on the first fixing seat 20 sends an electric signal to the digital display screen 11 through the controller, and the digital display screen 11 can display the standard tension value in the testing process in real time so as to be convenient for comparing the tension value on the push-pull force gauge 80.
When the push-pull force meter 80 needs to be tested for thrust, the push rod 82 on the push-pull force meter 80 can be quickly close to the ejector rod 32 to the right by rotating the hand-operated wheel 41, the push-pull force meter 80 is slowly pushed to the right by rotating the slow knob 51, the fixed clamping plate 741 provides stable right thrust for the push-pull force meter 80, the pressure sensor 31 on the second fixing seat 30 sends an electric signal to the digital display screen 11 through the controller, and the digital display screen 11 can display the standard thrust value in the testing process in real time so as to be convenient for comparing the thrust value on the push-pull force meter 80.
While there has been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.