WO2015039404A1

WO2015039404A1 - Pocket three-coordinate length measuring instrument

Info

Publication number: WO2015039404A1
Application number: PCT/CN2014/000579
Authority: WO
Inventors: 雷孔成
Original assignee: 雷孔成
Priority date: 2013-09-22
Filing date: 2014-06-13
Publication date: 2015-03-26
Also published as: CN103727869A

Abstract

A pocket three-coordinate length measuring instrument, which is a virtual length measuring instrument. A user can customize a length measuring function. A host thereof is composed of an x-z measuring head and a base. The x-z measuring head comprises a Z-axis micrometer which sends a sampling pulse signal when a bidirectional measuring force reaches a constant value, and an X-axis drive mechanism which is composed of a horizontal constant measuring force cylinder, a grating, a guide rail and a DC motor and sends a sampling pulse when an X-axis bidirectional measuring force is constant, wherein the Z-axis micrometer and the X-axis drive mechanism are vertically coupled mutually in an x-z plane; a measuring bar of the Z-axis micrometer is shared between two axes; a detecting head of the measuring bar sends a sampling pulse when reaching a constant measuring force in any one of x+, x- and z+ directions; the pulse enables the displacement number of each axis, i.e. a three-dimensional space coordinate value of the point, to be adopted into a computer to conduct data processing through measuring software, so that a drive motor stops or reverses, thereby achieving the acousto-optical display of a sampling state; and a micro CCD camera is configured onto the pocket three-coordinate length measuring instrument, thereby forming a pocket hole plate measuring instrument.

Description

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Pocket three-coordinate length measuring instrument

The technical field of the 'miniature three-coordinate length measuring instrument' of the present invention is classified according to the 'International Patent Classification Table' (IPC): G 'section', physical; G01 'large class,, measurement; G01B 'small class', length, thickness Or a similar linear size measurement; G01B7/008 'large group', a metering device characterized by an electrical or magnetic method; G01B7/008 'group', using a coordinate measuring machine. Its technical field is classified into G01B7/008 according to IPC, and it belongs to the technical field of physical coordinate measuring instruments.

Background technique

The invention relates to a 'miniature three-coordinate length measuring instrument', a 'virtual length measuring instrument', corresponding to various 'traditional length measuring instruments'. The world's instrument development has gone through several stages of simulation, digital, intelligent to virtual. What is a virtual instrument? The popular definition: "Virtual instruments are compared to traditional instruments. For example, a digital thermometer can only measure temperature and can't do anything else. This is a traditional instrument. For example, we can say that a certain instrument is a thermometer. At the same time, it is a flow meter and a pressure sensor. There is no independent instrument on the market that can realize such a function, so it is called 'virtual instrument'. ('Baidu knows' Search 'What is Labview, what is virtual instrument? , . . . . . . . . . . . For example, a universal length measuring instrument, its measurement function is determined by the merchant, is a traditional length measuring instrument. For example, we can say that a certain instrument is a universal length measuring instrument, and at the same time, it is a vertical length measuring instrument, a measuring block measuring instrument, a multi-function comprehensive measuring machine, a cylindrical measuring instrument, and a portable orifice plate. Automatic measuring instruments (traditional length measuring instruments), and now there is no single 'independent' instrument on the market to achieve such a function, so it is called 'virtual length measuring instrument'. However, we use modern computers, plus 'specially designed' opto-mechanical length measuring instrument mainframes and special software according to requirements to form high-end and low-cost new instruments, to achieve 'seamless integration' of traditional measuring instruments in the world. Designed a 'realistic' 'virtual length measuring instrument' - 'pocket three-coordinate length measuring instrument'. In the 1980s, National Instruments (NI) took the lead in proposing the concept of virtual instrumentation and proposed the slogan of 'software is the instrument'; the domestic oriental research institute also researched virtual instruments and put forward the slogan of 'putting the lab away' . Both units study virtual instrument content as computer interfaces, I/O channels, and programming platforms that allow users to programmatically define instrument functions to achieve their slogan. They define virtual instruments from computer software instead of hardware. The object of their research is the 'measuring device' of virtual instruments. Today, for virtual length measuring instruments, computers are not a problem, but more importantly, the instrument's measuring system 'synthesizes seamlessly' with various traditional length measuring instruments. From the reason that several 'traditional measuring instruments' are not 'virtual measuring instruments', the characteristics of the virtual length measuring instruments are reversed: the universal length measuring instrument, although the 'universal', multi-function detector, although 'multi-functional', is not

'Virtual length measuring instrument', because their measuring function is determined by the manufacturer, the user can not define the measuring function, so it is not a virtual length measuring instrument. Even if it is equipped with a computer, the measuring function is fixed and the user still cannot define the instrument. Function, or traditional length measuring instrument; 'Universal three-coordinate measuring instrument' can measure the measurement object of various traditional single (double) coordinate length measuring instruments in three-coordinate manner, which is the 'seamless integration' of various traditional measuring instruments, and Accuracy and efficiency are higher. The proverb is called 'three coordinates', but its cost, price, volume and weight are much higher than various traditional length measuring instruments. Although it is 'three coordinates' and not 'pocket'

(Slang), 'Pocket' is also an important feature of virtual instruments, so the universal coordinate measuring machine is not a virtual length measuring instrument, but it is not a traditional 'length measuring' instrument (vertical, horizontal measuring head), but a traditional 'measuring' instrument ( Radiation probe); portable orifice automatic measuring instrument, although its cost, price, volume and weight are much lower than the traditional measuring instruments (very compact) that can measure the orifice plate, but its main component Z-axis Micrometers, measuring microscopes, etc. are 'sewed integration' of traditional instruments. X- and Ζ·coordinate probes are not linked. It is a two-coordinate measurement. Although it is 'pocket' and not 'three-coordinates', it is not virtual. The length measuring instrument is a traditional length measuring instrument. The content of this 'Instruction Summary' embodies the characteristics of the 'seamless integration' of the virtual length measuring instrument; the name of the invention 'Pocket three-coordinate length measuring instrument' also reflects the virtual pocket measuring instrument's 'pocket' and 'three The characteristics of the 'coordinate'; the 'length measuring instrument' in the name is not just measuring the length, but measuring the 'geometry' associated with the length; the 'three-coordinate measuring length' in the name, meaning: to keep the universal coordinate measuring instrument Very 'three-coordinate, the measurement method, and the three-coordinates of the universal coordinate measuring instrument are 'small': the XZ probe of the probe of the present invention replaces the expensive three-dimensional measuring head of the universal coordinate measuring instrument, and the effect is the same. Stepper motor replaces universal three-coordinate Y-axis DC motor and expensive grating; replaces W-axis expensive DC motor and rotary encoder with universal three-coordinate measuring instrument with stepper motor; - axis, then Y-axis, - the axis measurement range is small, the measurement volume is a slender rectangular parallelepiped, and the universal three-coordinate is almost The cubes of the same length are much smaller than the general three-coordinate measurement volume, only a few percent, and the cost and volume are much lower. Thus, the present invention is both a 'three-coordinate' and a 'pocket', and most in line with the characteristics of the virtual length measuring instrument, and is the most standard invention of the virtual length measuring instrument.

According to the information, HP Company produces more than 100 kinds of virtual instruments, TEKRONIX produces more than 80 kinds of virtual instruments, other American companies, many other manufacturers in the world, and many virtual measuring instruments, but basically all of them are related to electronic instruments and communications. A virtual instrument for measuring 'physical quantity' such as instruments, radio instruments, etc., has not found information on the virtual length measuring instrument that measures 'geometry (geometry and shape tolerance)' of the present invention. On the other hand, there are many manufacturers of measuring instruments for measuring geometrical quantities (geometric length and geometrical tolerance) at home and abroad, such as Mahr in Germany and Trimos in Switzerland, which produce universal length measuring instruments, measuring block detectors, and multifunctional functions. Measuring machine, cylindricity detector, portable orifice automatic measuring instrument, universal coordinate measuring instrument, etc. However, these instruments for measuring geometric quantities are just traditional measuring instruments rather than virtual length measuring instruments. In short, the unit that produces virtual instruments in the world does not have a virtual length measuring instrument that measures the geometric quantity; the unit that produces the measuring instrument for measuring the geometric quantity is a traditional measuring instrument, and there is no virtual instrument for measuring the geometric quantity. Based on these circumstances, the 'Cuple Three-Coordinate Length Measuring Instrument' of the present invention is the world's first standard patent for the invention of virtual length measuring instruments. The measure to realize this patent is to retain the 'three-coordinate' measurement method of the universal coordinate measuring instrument, and overcome the cost, price, volume, and weight of the 'three-coordinate' of the universal coordinate measuring machine. The novel 'miniature three-coordinate length measuring instrument' of the present invention is designed by using an XZ probe to generate a three-dimensional probe, a stepping motor to generate a grating and a rotary encoder, a measuring volume elongated cube instead of an equal length cube, and the like.

Summary of the invention

First of all, the coordinate measuring instrument must have a probe (here with a contact probe), the general 'three-coordinate measuring instrument' has, 'the pocket three-coordinate length measuring instrument, also have. The probe of the probe of the universal 'three-coordinate measuring instrument' detects the ball, and when the measured force of any radiation direction centered on the detecting center reaches the set value, a sampling pulse is emitted. This type of probe is quite perfect and is suitable for general-purpose 'three-coordinate measuring instruments', but it is expensive. The probe of the 'miniature three-coordinate length measuring instrument', according to its measuring object (measurement object of various traditional single and double coordinate length measuring instruments), does not need the function of constantly measuring the signal in the direction of the radiation, the probe The probe ball (under the Y-axis and W-direction of the table) only needs the X-axis and Z-axis linkage, and the two coordinates perpendicular to each other in the XZ plane are four-direction X+, X-, Z+, Z. - Detecting the measured workpiece, you can simulate all kinds of traditional single and double coordinate contact measurement, and contact the workpiece in any of the four directions. When the measured force is reached, the probe will send a sampling pulse and collect three contact points. Or four (X, Y, Z, W) coordinate values. The movement amount of the Y-coordinate of the workbench and the coordinate value of the W-coordinate are not detected by the probe, and are driven by the stepping motor. The amount of movement and the amount of rotation are controlled by the computer, and the number is already in the computer. This XZ probe is implemented in this way: a Z-axis micrometer with a bi-directional force measurement with constant sampling pulse signal and a set of X-axis constant force measurement with a 'horizontal constant force cylinder' The driving mechanism of the sampling pulse is vertically coupled to each other in the XZ plane, and the two axes share the measuring rod of the Z-axis micrometer, which constitutes the 'miniature three-coordinate length measuring instrument' xz probe of the present invention, which ensures that there is a universal ' The performance and function of the three-coordinate measuring instrument's probe reduces the cost of the probe to a few tenths. Moreover, the portable orifice plate automatic measuring instrument Z-coordinate measuring head becomes 'seamlessly integrated' and becomes a virtual orifice measuring instrument. The XZ probe is a universal three-coordinate measuring instrument 'envelope', the key to the 'three-dimensionalization' of the portable orifice measuring instrument, is the key to the invention's both 'pocket' and 'three-coordinates'. Second, the universal 'three-coordinate measuring instrument, X, Y, z, W axes are equipped with expensive precision grating sensors and rotary encoders and DC motors, and the invention of the 'miniature three-coordinate length measuring instrument', A grating sensor is required for the X and Z axes. The Y-axis does not need to be equipped with a grating sensor. The w-rotation direction does not require the installation of a rotary encoder. Instead of the Y-coordinate grating sensor and the W-rotary encoder and the DC motor, the stepper motor can be used to send and rotate as required. At the same time, it also guarantees the same function as the grating sensor and rotary encoder installed in the universal 'three coordinate measuring machine', so that the cost of this aspect of the invention is also reduced to a few tenths. Third, the maximum measurement travel of the Y-axis and Z-axis of the universal 'three-coordinate measuring instrument' is generally equal and close to the maximum measuring stroke of the X-axis, such as FD-S500 type, Sy=Sz=400, Sx=500 , its measuring volume V=SxXSyXSz; 'Pocket three-coordinate length measuring instrument', according to its measurement object, after analysis and practice confirmed, select Y-axis maximum measuring stroke Sy=5--10 mm, according to different specifications, The average X-axis maximum measuring stroke Sx=300, Z-axis maximum measuring stroke Sz=25, and its measuring volume is only a few hundredth of the universal 'three-coordinate measuring instrument', and the volume, weight and material cost are reduced accordingly. In addition, the comprehensive parameters of the orifice plate can be measured by the 'miniature three-coordinate length measuring instrument', and the e, rk can be measured by scanning software, or a micro CCD can be used. _

The camera is used to measure, the two are equivalent, and they are the most complete ' pocket plate measuring instrument'.

The embodiment (illustrated by the drawings): According to the above-mentioned 'background technology' and 'invention content', using modern computer, special design instrument measurement system, seamless integration of various traditional length measuring instruments, with special software, constitute a pocket Virtual length measuring instrument - a pocket three-coordinate length measuring instrument.

1 is a schematic diagram of a measuring rod of a Z-axis micrometer for bidirectional force measurement constant sampling pulse. When the probe 1 is subjected to axial bidirectional force measurement, the signal level is output from the No. 10 electric wire, and the outer casing 2 and the sliding sleeve 6 are Fixed to each other, 2, 6 are made of metal material, and the upper and lower 2 spring joints are fixed on the 4th slide bar, 1 is the probe connected to the outer casing 2, when the probe 1 is subjected to its axial pressure Or pulling force (ie, force measurement), the sliding sleeve 6 slides on the No. 4 sliding rod, while the outer casing 2 slides on the sliding column 8, the No. 8 sliding column is made of insulating material, and the upper and lower two sets of springs 5 are respectively pressed and pulled Until the outer casing 2 is in contact with the upper electrode 9 (pressed) or the lower electrode 7 (pupped), the electric wire 10 outputs a signal level. The force received by the contact head, that is, the force measured is the force generated by the tension of the upper and lower springs 5, and the length of the spring deformation is that the outer casing 2 slides up or down on the spool 8 until it contacts the upper electrode 9 or the lower electrode. 7, the distance d experienced by the outer casing 2, the force generated by the spring under compression, that is, the force received by the contact head F=2kd, k is the elastic coefficient, when the force applied to the contact head 1 reaches the set value, Line 10 sends a sample level signal. 2 is a schematic diagram of a Z-axis micrometer with a bidirectional force measurement constant sampling pulse, the measuring rod 1 is the measuring rod shown in FIG. 1, and the upper end of the measuring rod is connected with the grating main grating 5, which can be in the sliding rail 2 Moving up and down, when the DC motor drives the upper pulley 8 to rotate counterclockwise, the pulley line traction rod 1 moves downward. After the probe contacts the workpiece, the pulley line continues to press the rod down until the rod in Fig. 1 When the outer casing 2 contacts the upper electrode 9, the electric wire 10 (4 of Fig. 2) sends a signal to the circuit board 6, thereby generating a single pulse 11, while the grating 5 outputs a displacement number of 12. This pulse is the contact of the measuring rod at the measured Appears after a constant force is applied to the workpiece. This single pulse has four functions: the current raster image is taken into the computer, causing the drive DC motor to stop and hold or reverse, audible warning 9, light warning 10. When the rod moves in the opposite direction, the effect is similar.

3 is a schematic view of a horizontal constant force measuring cylinder, the measuring head can be fixed on the ground electrode barrel 7, and the spring joint 3 (one on each of the left and right ends) is fixed on both ends of the sliding rod 5, and the ground electrode barrel 7 is fixed to the sliding sleeve 6. The sliding sleeve 6 can slide left and right on the sliding rod 5, and the left and right springs 8 are respectively fixed on the left and right spring joints 3 and the sliding sleeve 6. When the measuring head connected to the ground electrode cylinder receives the force to the left, the sliding sleeve 6 Move to the left, the right spring is pulled, the left spring is pressed, until the ground electrode 7 contacts the left electrode 9, the wire output signal level, enters position 4 in Figure 2, generates a pulse 11, the role of the pulse and Figure 2 The pulse generated in the middle 4 is the same. The static distance between the positive and negative electrodes is set to d, and the length of the left and right springs being compressed (or pulled) is also d, and the force received by the measuring head, that is, F=2kd k is the spring constant coefficient of the spring. The measuring head moves in the opposite direction, the same effect.

Figure 4 is an X-axis drive group, which is connected to the horizontal constant force measuring cylinder of Figure 3 in the X-axis drive system, wherein 3 is the horizontal constant force measuring cylinder shown in Figure 3, 1 is The driven wheel, 5 is the driving wheel and the driving motor, and 4 is the driving plate. In operation, the ground electrode of 3 is connected to the slider 2 of Fig. 6.

Figure 5 is a mounting diagram of the X-axis grating sensor of the probe. The reading head 2 and the ruler 3 are relatively moved. The reading head 2 is connected to the slider 2 of the guide rail of Fig. 6, and 1 is an output cable, which is connected to the computer interface. box.

Figure 6 is a view of the sliding rail mounting, 1 is a guide rail, and 2 is a slider.

Figure 7 is a schematic diagram of the XZ probe system of the 'miniature three-coordinate length measuring instrument', 1, 8 is the left and right brackets, 2 is the ruler of the grating sensor of Fig. 5, and 3 is the X-axis drive system of Fig. 4. 3 horizontal constant force measuring cylinder, 7 is the guide rail 1 of the sliding guide rail of Fig. 6, the three components are mounted in parallel on the left and right brackets 1 and 8, and the ground electrode cylinder and the rail slider of the horizontal constant force measuring cylinder 3 of the X-drive system The rear side is connected, 5 is the grating sensor moving ruler head, which is fixed on the upper side of the guide rail slider, 4 is a Z-axis constant force measuring micrometer, which is perpendicular to the X-axis guide rail and 6 is installed in front of the guide rail slider side. At this time, the X-axis drive motor rotates, and the movable pulley pulls the horizontal constant force measuring cylinder, and drives the slider and the Z-axis micrometer fixed thereon and the grating read head to slide on the guide rail 7. The grating sensor has a displacement digital output, and the measuring rod When the probe head encounters the workpiece and the force is up to the set value, the horizontal constant force measuring tube sends the sampling signal level, and the Z-axis micrometer outputs the sampling pulse, and the coordinate values of X, Y, Z, W are collected into the computer. When the X, Y, Z, and W axes are moving at the same time, when the measuring force of the measuring rod in any of the four directions of X+/X-/Z+/Z- reaches the set value, the Z in Fig. 2 - Axis micrometer's line 11 outputs sampling pulses, collects the number of each axis, and forms the coordinate values (x, y, _Z , w) of the measuring points in the computer for data processing and control.

Figure 8 is a schematic diagram of the system of the 'Pocket Three-coordinate Length Measuring Instrument' of the present invention, and the left side is the system host diagram, which is represented by Figure 7 ―

The XZ probe mechanism 3 and the base 4 are composed. The base 4 has a circular table. The stepping motor and the worm gear drive the circular table in the base for 360 degree quantitative rotation, and another stepping in the base. Driven by the motor and the screw, the circular table in the Y-axis direction is quantitatively moved, and the micro-pump pump that sucks the workpiece to be tested is also included in the base. 1 of Fig. 8 is a computer interface box, and 2 is a computer.

So far, the embodiments of the present invention have been completed. The portable orifice meter becomes a virtual instrument 'small orifice meter'. The world's emergence of invention patents from various traditional length measuring instruments to virtual length measuring instruments 'pocket three-coordinate length measuring instrument' has been in existence for 150 years.

The invention can develop four kinds of new instruments of various specifications of each type: 1) pocket three-coordinate length measuring instrument; 2) pocket orifice measuring instrument; 3) two-way force measuring constant sampling pulse Z-axis micrometer; 4 A horizontal micrometer that measures a constant bile-like signal in both directions.

Industrial applicability means that the invention can be manufactured or used and can produce positive effects. The pocket three-coordinate length measuring instrument of the invention has different characteristics from different angles as a virtual length measuring instrument: From the perspective of popular definition, the virtual length measuring instrument of the invention concentrates the measuring functions of various traditional length measuring instruments; According to the contents of the abstract, the virtual length measuring instrument is a seamless integration of various traditional instruments. From the slogan of NI in the United States, the virtual instrument software is the instrument; from the slogan of the Oriental Institute, the virtual instrument is next to the laboratory. From the name of the present invention, the virtual instrument is both 'three coordinates' and 'pocket'; from the user's point of view, buying a virtual length measuring instrument is equivalent to having a laboratory of various traditional length measuring instruments. The pocket three-coordinate length measuring instrument of the present invention, the performance of the pocket: quantitative analysis of the cost, price, volume, weight of the pocket three-coordinate length measuring instrument compared with the conventional length measuring instrument, the number of mechanical parts of the instrument of the invention is less than one The number of parts of the old-fashioned sewing machine, the size of more than one hundred parts; the number of parts of a universal coordinate measuring machine is hundreds of thousands; the total number of parts of a traditional laboratory measuring instrument in a laboratory is thousands. The most accurate part processing requirements are the laboratory's traditional length measuring instruments, one because it is a laboratory instrument, the other is that it does not have a computer, and the error cannot be corrected. Third, the traditional instrument can only correct the single-axis grating error even if it is equipped with a computer. And the temperature influence, the error cannot be corrected in all directions, so the machining accuracy of the parts is high. The machining accuracy of the parts of the invention is not as high as that of the conventional length measuring instrument, and the cost can be reduced because of the computer full-scale correction error. The virtual instrument of the invention is seamlessly integrated, the number of parts is much smaller than that of the traditional instrument, and the processing precision of the parts is much lower than the traditional length measuring instrument, and the manufacturing of the invention is easier than the manufacture of various conventional length measuring instruments. Looking at the size, how small is the size of the pocket three-coordinate lengthometer? According to the requirements, there is no scale and size on the drawing of the invention, and the size is not visible. The invention has a computer, three-dimensional omnidirectional correction error, and the detection scale and the measurement size do not need to consider the Abbe principle, and do not need to be connected in series, as long as it is parallel; Length measuring instruments such as universal length measuring instruments must be connected in series. Due to the influence of this length, the length of the pocket three-coordinate length measuring instrument is only one-third of the length of the universal length measuring instrument. The width and height are less than the length. The length of the measuring object is within 100 mm, the length of the instrument is about 600 mm, and the length is less than 100 mm. The length of the pocket three-coordinate length measuring instrument is only 200 mm. The size of the instrument is much smaller than that of the traditional length measuring instrument. The weight, pocket three-coordinate base can be made of aluminum alloy, the total weight is more than 20 kg, and the universal length measuring instrument is more than 100 kg. Measuring a 100 mm vertical length measuring instrument, the instrument is more than 400 mm high, weighs more than 100 kg, the pocket three-coordinate length measuring instrument, the measuring part is common, and it can measure the measuring object of the vertical length measuring instrument itself, as well as the cylindricity measurement. The measuring function of various traditional length measuring instruments, such as the instrument, is provided by the pocket three-coordinate length measuring instrument. The measuring function is added, and the volume and weight of the pocket three-coordinate length measuring instrument are unchanged, as long as the software is added. From the software point of view, a measured workpiece, such as a cylinder, as long as the pocket three-coordinate length measuring instrument probe detects the ball to detect four points on the cylindrical surface, collects the coordinate values of each point, different special software handles the coordinate values of these points, Different result sizes are obtained. According to the four-point coordinate value, the cylindrical diameter, cylindricity, etc. can be processed, which is equivalent to the measurement results of different conventional instruments. It can be seen that the size and weight of the pocket three-coordinate length measuring instrument is only one-fifth to one-third of the traditional length measuring instrument of the same specification, which is easier to manufacture and more convenient to use. This is the role of the aforementioned 'invention content', and also reflects all the features and benefits of the pocket three-coordinate length measuring instrument as a virtual length measuring instrument. The number of traditional length measuring instruments manufactured, sold and used every year in the world cannot be counted. This figure is basically the demand for the pocket three-coordinate length measuring instrument of the present invention.

For the pocket orifice meter, a virtual pocket three-coordinate length gauge measures the geometry and shape tolerance of the orifice plate in a three-coordinate space measurement. The orifice plate here refers to the oil and gas pipeline, the key component of the differential pressure flowmeter used in the process of transporting oil and gas - the orifice plate, according to the relevant international regulations, the orifice plate should be in accordance with JJG640-1994 The verification procedure for differential pressure flowmeter is routinely verified. Some experts pointed out that the oil and gas pipeline requires a pocket plate measuring instrument every few kilometers.

Claims

Pocket three-mark length measurement only

1. The present invention is a "pocket three-coordinate length measuring instrument", a "virtual length measuring instrument" in which the user can customize the length measuring function. It has the characteristics of high-precision and high-efficiency measurement of a universal "three-standard measuring instrument", and at the same time Its cost, price, volume and weight are far lower than those of general coordinate measuring instruments and various traditional length measuring instruments. It is equipped with a CCD camera and a pocket hole measuring instrument.

2. The host computer of the 'pocket three-dimensional coordinate instrument' involved in the 'right' is composed of an X-Z probe and a base.

3. The 'head' mentioned in 'Right 2' is an ^-axis micrometer that emits a sampling pulse signal when the bidirectional measuring force reaches a constant value, and is composed of a horizontal constant force measuring cylinder, a grating, a guide rail and a DC motor. The <x-drive mechanism that emits sampling pulses when the X-axis bidirectional force measurement is constant, is vertically coupled to each other in the x-z plane, and the two axes share the measuring rod of the Z-axis micrometer. The measuring rod probe is located at x+, When Z reaches constant force in any direction of Z-, a sampling pulse is emitted. This pulse collects the displacement figures of each axis (i.e., the three-dimensional coordinate value of the point) into the computer, and performs data processing according to special software to stop or reverse the driving motor. Sound and light display the sampling status, & is the 'x-z probe'.

4. The axial micrometer involved in 'Right 3', when the bidirectional force measurement reaches the set value, emits a sample pulse. This pulse records the displacement figures of each axis at that time into the display or into the computer. This pulse It also stops or reverses the driving motor, and sounds and lights indicate the sampling status.

5. ^Right 3' involves the horizontal constant force measuring cylinder of the X-axis drive system that constantly emits sampling pulses for bidirectional force measurement in the X-axis, and the measuring rod detection ball generates positive/negative force measurement in the X-axis direction to achieve the set When the value is set, a sampling pulse is emitted, and the displacement figures of each axis at that time are recorded in the display or taken into the computer. The pulse also causes the drive motor to stop or reverse, and the sound and light prompt the sampling status.