CN204556165U - A kind of hand three coordinate converting machine - Google Patents

Abstract

The utility model belongs to the field of measuring devices, in particular to a manual three-coordinate conversion machine. In the prior art, for the center of mass and moment of inertia of some products in the three directions of X, Y, and Z axes, it is necessary to manually re-lift and counterweight the tested product in three directions, so that some intermediate test quantities and artificial intervention error. After adopting the above technical scheme: the utility model adjusts the X-axis through the ball screw on the bed, turns the hand wheel to drive the rotating shaft to adjust the tilt of the Y-axis, and adjusts the Z-axis of the turntable, and the tested product is moved, The three movement modes of tilting and rotation greatly shorten the measurement time, and at the same time can achieve high measurement accuracy, and measure the quality characteristic parameters in all directions. According to the basic principle of quality characteristic testing, the manual three-coordinate transformation machine structure can realize the calculation process of coordinate position transformation, center of mass, moment of inertia, etc., basically automatically.

Description

A manual three-coordinate transformation machine

technical field

The utility model belongs to the field of measuring devices, in particular to a manual three-coordinate conversion machine.

Background technique

In the prior art, for the center of mass and moment of inertia of some products in the three directions of X, Y, and Z axes, it is necessary to manually re-lift and counterweight the tested product in three directions, so that some intermediate test quantities and artificial intervention error.

Contents of the invention

The technical problem to be solved by the utility model is to provide a manual three-coordinate conversion machine.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A manual three-coordinate transformation machine, including a bed, on which are provided several linear guide rails arranged parallel to the X-axis direction, above which a middle mounting seat is slidably installed along the linear guide rail, and the middle mounting seat A tilting mechanism tilting towards the Y-axis direction is provided on the top, a tilting platform is arranged above the tilting mechanism, and a horizontally placed turntable is arranged on the tilting platform. The tilting mechanism includes a base installed on the middle mounting base, The base is provided with a rotating shaft in the direction of the X-axis, and an initially vertically arranged connecting shaft is rotated on the peripheral surface of the rotating shaft, and the upper end of the connecting shaft is connected to the inclined platform through a connecting arm. The outer end of the rotating shaft is provided with a rotating hand wheel.

Two ends of the bed in the Y-axis direction are respectively provided with a linear guide rail in the X-axis direction, a ball screw rod in the X-axis direction is provided between the two linear guide rails, and a hand wheel is provided at one end of the ball screw rod.

A circle of angle positioning holes is provided on the circumferential side of the turntable.

One side of the inclined platform in the Y-axis direction is provided with a J-shaped connecting rod, the upper part of the connecting rod is rotationally connected with one side of the inclined platform, the middle part to the lower part of the connecting rod is provided with a chute, and the middle The same side of the installation seat and the inclined platform where the connecting rod is installed is provided with a protrusion, and the protrusion slides in the slide groove of the connecting rod.

The middle mounting base is provided with a plurality of vertical support bases, and there is a gap between the support bases and the lower end surface of the inclined platform.

The other side of the X-axis of the bed is provided with a counterweight plate.

After adopting the above technical scheme: the utility model adjusts the X-axis through the ball screw on the bed, turns the handwheel to drive the rotating shaft to adjust the tilt of the Y-axis, and adjusts the Z-axis of the turntable, and the tested product is moved, There are three motion modes of tilting and rotating to complete the attitude conversion in the X, Y, and Z directions required during the test, and the measured values are calculated by the computer to obtain the center of mass and moment of inertia in the three directions. Manual three The coordinate conversion machine is used to complete the positional relationship conversion between the coordinate system of the tested piece and the coordinate system of the test bench during the testing process of the tested piece. By adopting this integrated testing technology, the one-time installation and positioning of the tested piece is realized. During the inertia measurement process, there is no need to re-hoist, level and counterweight. The amount of intermediate tests is reduced, the error factors of human intervention are reduced, and the measurement time is greatly shortened. At the same time, high measurement accuracy can be achieved, and all quality characteristic parameters in all directions can be measured. According to the basic principle of quality characteristic testing, the manual three-coordinate transformation machine can realize the transformation of X, Y, and Z coordinates in structure, and can measure the corresponding parameters for each transformation position of the tested part, and then calculate the The required mass, the position of the center of mass, and the parameters such as the moment of inertia and the product of inertia in the three-coordinate direction. The calculation process of coordinate position conversion, center of mass, moment of inertia, etc. is basically completed automatically.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Referring to Fig. 1, a manual three-coordinate transformation machine includes a bed 1, on which a number of linear guide rails 2 arranged parallel to the X-axis direction are arranged, and the upper part of the linear guide rails 2 is slidably installed along the linear guide rails 2 An intermediate mounting base 3, the intermediate mounting base 3 is provided with a tilting mechanism 4 inclined towards the Y-axis direction, the tilting mechanism 4 is provided with an inclined platform 5, and the inclined platform 5 is provided with a horizontally placed The turntable 6, the tilting mechanism 4 includes a base 7 installed on the middle mounting base 3, the base 7 is provided with a rotating shaft 8 in the X-axis direction, and an initial A connecting shaft 9 arranged vertically, the upper end of the connecting shaft 9 is connected with the inclined platform 5 through a connecting arm 10 , and the outer end of the rotating shaft 8 is provided with a rotating hand wheel 12 .

The two ends of the Y-axis direction on the bed 1 are respectively provided with a linear guide rail 2 in the X-axis direction, and a ball screw 11 in the X-axis direction is provided between the two linear guide rails 2. The ball screw 11 One end is provided with handwheel 19.

A circle of angle positioning holes 13 is provided on the circumferential side of the turntable 6 .

The inclined platform 5 is provided with a J-shaped connecting rod 14 on one side in the Y-axis direction, and the top of the connecting rod 14 is rotationally connected with one side of the inclined platform 5. Groove 15 , the same side where the connecting rod 14 is mounted on the middle mounting base 3 and the inclined table 5 is provided with a protruding block 16 , and the protruding block 16 slides in the slide groove 15 of the connecting rod 14 .

The middle mounting base 3 is provided with several vertical support bases 17 , and there is a gap between the support bases 17 and the lower end surface of the inclined platform 5 .

The other side of the X-axis of the bed 1 is provided with a counterweight plate 18 .

After adopting the above technical scheme: the utility model adjusts the X-axis through the ball screw on the bed, turns the handwheel to drive the rotating shaft to adjust the tilt of the Y-axis, and adjusts the Z-axis of the turntable, and the tested product is moved, There are three motion modes of tilting and rotating to complete the attitude conversion in the X, Y, and Z directions required during the test, and the measured values are calculated by the computer to obtain the center of mass and moment of inertia in the three directions. Manual three The coordinate conversion machine is used to complete the positional relationship conversion between the coordinate system of the tested piece and the coordinate system of the test bench during the testing process of the tested piece. By adopting this integrated testing technology, the tested piece can be installed and positioned at one time, and the center of mass and the rotation During the inertia measurement process, there is no need to re-hoist, level and counterweight. The amount of intermediate tests is reduced, the error factors of human intervention are reduced, and the measurement time is greatly shortened. At the same time, high measurement accuracy can be achieved, and all quality characteristic parameters in all directions can be measured. According to the basic principle of quality characteristic testing, the manual three-coordinate transformation machine can realize the transformation of X, Y, and Z coordinates in structure, and can measure the corresponding parameters for each transformation position of the tested part, and then calculate the The required mass, the position of the center of mass, and the parameters such as the moment of inertia and the product of inertia in the three-coordinate direction. The calculation process of coordinate position conversion, center of mass, moment of inertia, etc. is basically completed automatically.

Claims (6)

1. A manual three-coordinate conversion machine, comprising a bed (1), characterized in that: the bed (1) is provided with several linear guides (2) arranged in parallel in the X-axis direction, the linear guides (2) An intermediate mounting base (3) is slidably installed above the linear guide rail (2), and a tilting mechanism (4) tilting towards the Y-axis direction is provided on the intermediate mounting base (3), and the tilting mechanism (4) ) is provided with an inclined platform (5), the inclined platform (5) is provided with a turntable (6) placed horizontally, and the inclined mechanism (4) includes a base (7) installed on the middle mount (3) ), the base (7) is provided with a rotating shaft (8) in the direction of the X axis, and the peripheral surface of the rotating shaft (8) is provided with an initial vertical connecting shaft (9), the connecting The upper end of the shaft (9) is connected with the inclined table (5) through a connecting arm (10), and the outer end of the rotating shaft (8) is provided with a rotating hand wheel (12). 2. A manual three-coordinate conversion machine according to claim 1, characterized in that: the two ends of the bed (1) in the Y-axis direction are respectively provided with a linear guide rail (2) in the X-axis direction, A ball screw (11) in the X-axis direction is arranged between the two linear guide rails (2), and a hand wheel (19) is arranged at one end of the ball screw (11). 3. A manual three-coordinate transformation machine according to claim 1 or 2, characterized in that: a circle of angle positioning holes (13) is provided on the circumferential side of the turntable (6). 4. A manual three-coordinate transformation machine according to claim 1 or 2, characterized in that: the inclined table (5) is provided with a J-shaped connecting rod (14) on one side of the Y-axis direction, The upper part of the connecting rod (14) is rotatably connected to one side of the inclined platform (5), and the middle part to the lower part of the connecting rod (14) is provided with a chute (15), and the middle mounting seat (3) is connected to the inclined platform. (5) A bump (16) is provided on the same side as the connecting rod (14), and the bump (16) slides in the slide groove (15) of the connecting rod (14). 5. A manual three-coordinate transformation machine according to claim 1 or 2, characterized in that: the intermediate mounting base (3) is provided with several vertically arranged support bases (17), and the support bases There is a gap between (17) and the lower end surface of the inclined platform (5). 6. A manual three-coordinate transformation machine according to claim 1 or 2, characterized in that: the other side of the bed (1) in the X-axis is provided with a counterweight plate (18).