A probe mechanism for a high sensitivity three coordinate measuring machine

Abstract

The application discloses a kind of for high sensitivity three-coordinate measuring machine detection mechanism, it is related to three-coordinate measuring machine field, including measuring seat mechanism, its movement end is equipped with with control system electrically connected transmission interface;By the support cylinder of measuring seat mechanism;Main probe and two standard probes;Adjusting mechanism;The application is adjusted to the distance between standard probe and main probe by adjusting mechanism, to be suitable for the measurement of different sizes of the measured piece, using main probe and standard probe for measurement, not only can be compared, analyzed the data measured by main probe and standard probe, to judge whether main probe is deviated and whether the data measured is available, make measurement result more accurate, also can be completed by main probe and standard probe measurement in different positions, realize the quick measurement of measured piece, and when using single probe mode, standard probe can be rotated by adjusting mechanism, can effectively avoid that standard probe and measured piece or other components collide.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of three-coordinate measuring machines, and particularly to a high-sensitivity three-coordinate measuring machine detection mechanism. BACKGROUND

[0002] A three-coordinate measuring machine is an instrument capable of calculating various geometric shapes and sizes in a three-dimensional measurable space range according to point data returned by a probe system. A three-coordinate measuring machine usually comprises a probe system, a transmission system, a control system, and a measurement software. The probe system is used for contact or non-contact measurement, the transmission system is responsible for driving the probe to move on three coordinate axes, the control system is used for controlling the movement of the measuring machine and data acquisition, and the measurement software is used for processing and analyzing measurement data.

[0003] In the current contact measurement process, a single probe is usually used for multiple measurements to obtain appropriate three-dimensional coordinate data. However, the probe may occasionally produce a certain offset during use. If only one probe is used for measurement, it is impossible to determine whether the probe has deviated during measurement by comparing the measurement data, and thus it is impossible to determine whether the measured data is usable. In this case, taking the average of the multiple measured data may result in an inaccurate measurement result. SUMMARY

[0004] To solve the defects of the prior art, the present application provides a high-sensitivity three-coordinate measuring machine detection mechanism.

[0005] To solve the above technical problems, the present application provides the following technical solutions.

[0006] The high-sensitivity three-coordinate measuring machine detection mechanism comprises a measuring seat mechanism, the movement end of which is provided with a transmission interface electrically connected to a control system.

[0007] A support cylinder is driven by the measuring seat mechanism, the middle part of the support cylinder is provided with an adapter, and both ends of the support cylinder are provided with support end covers.

[0008] A main probe and two standard probes are arranged between the two standard probes.

[0009] An adjusting mechanism is arranged on one side of the main probe and the standard probes, and is used for adjusting the position of the standard probes. The adjusting mechanism comprises a mounting bracket, and the mounting bracket is arranged outside the support cylinder.

[0010] A probe mounting assembly is composed of a fixed seat mounted on the adapter and a movable seat mounted on the mounting bracket. The fixed seat is used for mounting the main probe, and the movable seat is used for mounting the standard probes.

[0011] Several positioning bodies for positioning the master probe and the standard probe, the positioning bodies being connected with the fixed seat and the movable seat through the quick release assembly.

[0012] As a preferred technical scheme of the present application, the adjusting mechanism further comprises a double-shaft motor arranged in the supporting cylinder, a transmission cylinder and a movable rod mounted on the mounting bracket, the output shaft of the double-shaft motor is connected with a driving rod, both ends of the driving rod are provided with driving gears, one end of the transmission cylinder is rotatably connected with the supporting end cover through a bearing, the other end is provided with an internal gear meshing with the driving gears, and a transmission sliding groove for slidingly cooperating with the movable rod is further formed in the outer wall of the transmission cylinder.

[0013] As a preferred technical scheme of the present application, two guide grooves for slidingly cooperating with the movable rod are formed in the supporting cylinder, and an arc-shaped groove for slidingly cooperating with the movable rod is further arranged in communication with one end of the guide grooves.

[0014] As a preferred technical scheme of the present application, mounting grooves are formed in both sides of the fixed seat and the movable seat, a distance detecting sensor for detecting the distance between the master probe and the standard probe is further mounted on the side of the fixed seat adjacent to the mounting groove, and the distance detecting sensor is electrically connected with the pin on the adapter through a wire.

[0015] As a preferred technical scheme of the present application, the quick release assembly comprises a mounting frame accommodated in the mounting groove, an L-shaped mounting piece arranged on one side of the mounting frame, a sliding rod capable of penetrating through the through hole on the mounting frame, a T-shaped sliding piece and an anti-skid handle mounted on one end of the T-shaped sliding piece, symmetrically arranged guide sliding grooves are formed in the inner wall of the mounting frame, a mounting jack is formed in the L-shaped mounting piece, an accommodating groove for accommodating the anti-skid handle is further formed in the L-shaped mounting piece, a sliding groove in communication with the T-shaped sliding piece is further arranged on one side of the accommodating groove, a limiting plate is mounted on one end of the sliding rod, an installation insertion rod coaxial with the sliding rod and inserted into the mounting jack is arranged on one side of the limiting plate, a sliding block slidingly cooperating with the guide sliding grooves is mounted on the other end of the sliding rod, and a rectangular through hole for mounting the T-shaped sliding piece is formed in the sliding block.

[0016] A driving spring is further sleeved on the sliding rod, and both ends of the driving spring are connected with the sliding block and the mounting frame.

[0017] As a preferred technical scheme of the present application, guide grooves slidingly cooperating with the L-shaped mounting piece are formed in both sides of the positioning body, a connecting hole capable of allowing the installation insertion rod to penetrate through is arranged in communication with one side of the guide grooves, and a positioning hole matched with the master probe and the standard probe is formed in the middle of the positioning body.

[0018] As a preferred technical scheme of the present application, one end of the fixed seat and the movable seat is provided with an internal thread interface, the internal thread interface on the fixed seat is electrically connected with the pin on the adapter through a wire, and the internal thread interface on the movable seat is electrically connected with the pin on the adapter through a spiral wire.

[0019] As a preferred technical scheme of the present application, one end of the main probe and the standard probe is provided with an external thread joint capable of being screwed with the internal thread interface.

[0020] As a preferred technical scheme of the present application, the support cylinder is provided with a support frame for mounting a double-shaft motor, a connecting cylinder body is arranged in the middle of the support cylinder and faces the adapter, a connecting socket is arranged through the closed end of the connecting cylinder body and is electrically connected with the adapter and the double-shaft motor through a wire, and a connecting screw sleeve is movably arranged at one end of the connecting socket outside the connecting cylinder body.

[0021] As a preferred technical scheme of the present application, the transmission interface is composed of an external thread interface screwed with the connecting screw sleeve and a connecting socket plugged with the connecting socket, and the connecting socket is mounted in the external thread interface.

[0022] The present application has the following beneficial effects:

[0023] 1. The three-coordinate measuring machine detection mechanism for high sensitivity can adjust the distance between the standard probe and the main probe through the adjusting mechanism to adapt to the measurement of different sizes of measured objects, and can complete the measurement of different positions through the main probe and the standard probe, so that the quick measurement of the measured object is realized.

[0024] 2. The three-coordinate measuring machine detection mechanism for high sensitivity can move the T-shaped sliding member and the sliding block by pushing the anti-skid handle, drive the sliding rod through the sliding block, drive the installation plug rod through the limiting plate, make the installation plug rod separate from the installation plug hole, and then install the positioning body on the L-shaped mounting piece.

[0025] 3. The detection mechanism for high-sensitivity three-coordinate measuring machines, the positioning holes arranged on the positioning body limit the main probe and the standard probe, which can reduce the probability of deviation of the main probe and the standard probe, the guide groove can quickly install the positioning body on the L-shaped mounting piece, and the connecting hole on the positioning body can be aligned with the mounting jack.

[0026] 4. The detection mechanism for high-sensitivity three-coordinate measuring machines, the distance between the main probe and the standard probe is detected in real time by the distance sensor, and the detection signal is sent to the control system of the three-coordinate measuring machine, and then the distance is displayed on the display screen of the control system, which is beneficial to adjusting the distance between the main probe and the standard probe.

[0027] 5. The detection mechanism for high-sensitivity three-coordinate measuring machines, the elasticity of the spiral wire itself enables the movable seat to move and rotate more smoothly, and the spiral wire is not prone to breakage and falling off during the movement and rotation of the movable seat, which is conducive to the stable connection between the internal threaded interface on the movable seat and the adapter.

[0028] 6. The detection mechanism for high-sensitivity three-coordinate measuring machines, in addition to the plug-in connection of the connecting jack and the connecting socket, the threaded connection of the connecting sleeve and the external threaded interface can improve the stability of the connection and effectively prevent the connecting jack from being separated from the connecting socket due to gravity, shaking and other reasons. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, which together with the embodiments of the present application, serve to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0030] Figure 1 is a structural schematic diagram of a detection mechanism for high-sensitivity three-coordinate measuring machines of the present application;

[0031] Figure 2 is a connection structure schematic diagram of a main probe, a standard probe and a probe mounting assembly of a detection mechanism for high-sensitivity three-coordinate measuring machines of the present application;

[0032] Figure 3 is a structure schematic diagram of a support cylinder, a probe mounting assembly and a positioning body of a detection mechanism for high-sensitivity three-coordinate measuring machines of the present application;

[0033] Figure 4 is a structure schematic diagram of a support cylinder of a detection mechanism for high-sensitivity three-coordinate measuring machines of the present application;

[0034] Figure 5 is a structure schematic diagram of an adjusting mechanism of a detection mechanism for high-sensitivity three-coordinate measuring machines of the present application;

[0035] Figure 6 is a schematic diagram of the connecting structure of the movable seat, quick release assembly and positioning body of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application;

[0036] Figure 7 is a first perspective view of the connecting structure of the movable seat, quick release assembly and positioning body of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application;

[0037] Figure 8 is a second perspective view of the connecting structure of the movable seat, quick release assembly and positioning body of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application;

[0038] Figure 9 is an exploded view of the quick release assembly of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application;

[0039] Figure 10 is a schematic diagram of one of the use states of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application;

[0040] Figure 11 is a schematic diagram of another use state of the detection mechanism of the high-sensitivity three-coordinate measuring machine of the present application.

[0041] In the figure: 1, measuring seat mechanism; 2, adjusting mechanism; 21, double-shaft motor; 22, driving gear; 23, transmission cylinder; 24, inner gear; 25, mounting bracket; 26, driving rod; 27, movable rod; 28, transmission sliding groove; 3, support cylinder; 31, support end cover; 32, connecting cylinder body; 33, arc-shaped through slot; 34, guide through slot; 35, connecting socket; 36, connecting screw sleeve; 37, support bracket; 4, main measuring head; 5, quick release assembly; 51, L-shaped mounting piece; 511, mounting socket; 512, sliding through slot; 52, driving spring; 53, mounting plug rod; 54, limiting plate; 55, sliding rod; 56, sliding block; 57, anti-slip push handle; 58, T-shaped sliding piece; 59, mounting frame body; 591, guide sliding groove; 6, positioning body; 61, guide slot; 62, connecting hole; 7, measuring head mounting assembly; 71, fixed seat; 72, movable seat; 73, helical guide wire; 74, mounting slot; 75, inner threaded interface; 8, distance measuring sensor; 9, standard measuring head. DETAILED DESCRIPTION

[0042] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, which should be understood as merely illustrative and explanatory, and not as limiting the present application.

[0043] Embodiment: as Figures 1-3As shown, the present application is a kind of high sensitivity three coordinate measuring machine detection mechanism, including measuring seat mechanism 1, its movement end is provided with transmission interface electrically connected with control system;

[0044] Supporting cylinder 3 driven by measuring seat mechanism 1, the adapter is arranged in the middle of the supporting cylinder 3, and the supporting end cover 31 is arranged at both ends of the supporting cylinder 3;

[0045] Main probe 4 and two standard probes 9, the main probe 4 is located between the two standard probes 9;

[0046] Adjusting mechanism 2 arranged on one side of the main probe 4 and the standard probe 9 is used for adjusting the position of the standard probe 9, and the adjusting mechanism 2 includes mounting bracket 25, and the mounting bracket 25 is located outside the supporting cylinder 3;

[0047] Probe mounting assembly 7, which is composed of fixed seat 71 mounted on the adapter and movable seat 72 mounted on mounting bracket 25, the fixed seat 71 is used for installing the main probe 4, and the movable seat 72 is used for installing the standard probe 9;

[0048] A plurality of positioning bodies 6 for positioning the main probe 4 and the standard probe 9, the positioning body 6 is connected with the fixed seat 71 and the movable seat 72 through the quick release assembly 5.

[0049] In this embodiment, the supporting end cover 31 can be connected with the supporting cylinder 3 through bolts, and the supporting end cover 31 is used for supporting the transmission cylinder 23.

[0050] As shown in the figure, Figure 10 When the transmission system of the three coordinate measuring machine drives the main probe 4 and the standard probe 9 to move along the X axis direction, the moving track of the main probe 4 and the standard probe 9 is the same, and the data measured by the main probe 4 and the standard probe 9 is compared and analyzed, it can be known whether the main probe 4 occurs deviation during measurement, such as the data measured by the main probe 4 and the data measured by the two standard probes 9 are not within the error range.

[0051] As shown in the figure, Figure 11 When the transmission system of the three coordinate measuring machine drives the main probe 4 and the standard probe 9 to move along the X axis direction, the measurement position of the main probe 4 and the standard probe 9 is different, so that the measurement of different positions can be completed at the same time, and it is more rapid.

[0052] Among them, as shown in the figure, Figure 4 And Figure 5As shown, the adjusting mechanism 2 further comprises a double-shaft motor 21 arranged in the supporting cylinder 3, a transmission cylinder 23, and a movable rod 27 mounted on a mounting bracket 25, an output shaft of the double-shaft motor 21 is connected with a driving rod 26, both ends of the driving rod 26 are provided with driving gears 22, one end of the transmission cylinder 23 is rotatably connected with a supporting end cover 31 through a bearing, the other end is provided with an internal gear 24 engaged with the driving gears 22, and a transmission sliding groove 28 for slidingly cooperating with the movable rod 27 is further formed in the outer wall of the transmission cylinder 23.

[0053] When in the multi-probe mode, the double-shaft motor 21 is started, the driving rod 26 is driven by the double-shaft motor 21 to drive the driving gears 22 to engage and drive the internal gear 24, the transmission cylinder 23 is driven to rotate by the internal gear 24, the movable rod 27 can move back and forth along the guide through groove 34 by the transmission sliding groove 28, and the movable rod 27 drives the movable seat 72 through the mounting bracket 25, so that when the standard probe 9 is mounted on the movable seat 72, the distance between the standard probe 9 and the main probe 4 can be adjusted to adapt to the measurement of different sizes of measured parts.

[0054] When in the single-probe mode, after the movable rod 27 moves to the intersection of the guide through groove 34 and the arc-shaped through groove 33, the transmission cylinder 23 continues to rotate, the movable rod 27 is driven by the transmission cylinder 23 to move along the arc-shaped through groove 33, so that the standard probe 9 rotates 180°, and when the main probe 4 is driven to move on the three coordinate axes by the transmission system of the three-coordinate measuring machine, the standard probe 9 can effectively avoid collision with the measured part or other components.

[0055] As shown in Figure 3 and Figure 4 As shown, two guide through grooves 34 for slidingly cooperating with the movable rod 27 are formed in the supporting cylinder 3, one end of the guide through groove 34 is communicated with an arc-shaped through groove 33 for slidingly cooperating with the movable rod 27, and the guide through groove 34 and the arc-shaped through groove 33 both guide and limit the movable rod 27, which is beneficial to improve the stability of the movable rod 27 during movement.

[0056] As shown in Figure 3 and Figures 6-8As shown, the fixed seat 71 and the movable seat 72 are both provided with mounting grooves 74, and the fixed seat 71 is further provided with a distance measuring sensor 8 adjacent to the mounting grooves 74, which is used to detect the distance between the main probe 4 and the standard probe 9, and the distance measuring sensor 8 is electrically connected to the pin of the adapter through a wire; the mounting grooves 74 are used to accommodate the mounting frame 59; the distance between the main probe 4 and the standard probe 9 is detected in real time by the distance measuring sensor 8, and the detection signal is sent to the control system of the three-coordinate measuring machine, which is displayed on the display screen of the control system; during use, according to the size of the measured part, the distance between the main probe 4 and the standard probe 9 can be set through the control system, and then the control system starts the double-shaft motor 21, and when the distance measuring sensor 8 detects that the distance between the main probe 4 and the standard probe 9 reaches the set value, the double-shaft motor 21 is stopped.

[0057] As shown in the drawings, the quick release assembly 5 comprises a mounting frame 59 accommodated in the mounting groove 74, an L-shaped mounting piece 51 arranged on one side of the mounting frame 59, a sliding rod 55 capable of penetrating through the through hole of the mounting frame 59, a T-shaped sliding piece 58, and an anti-slip handle 57 mounted on one end of the T-shaped sliding piece 58. Figures 7-9 As shown, the fixed seat 71 and the movable seat 72 are both provided with mounting grooves 74, and the fixed seat 71 is further provided with a distance measuring sensor 8 adjacent to the mounting grooves 74, which is used to detect the distance between the main probe 4 and the standard probe 9, and the distance measuring sensor 8 is electrically connected to the pin of the adapter through a wire; the mounting grooves 74 are used to accommodate the mounting frame 59; the distance between the main probe 4 and the standard probe 9 is detected in real time by the distance measuring sensor 8, and the detection signal is sent to the control system of the three-coordinate measuring machine, which is displayed on the display screen of the control system; during use, according to the size of the measured part, the distance between the main probe 4 and the standard probe 9 can be set through the control system, and then the control system starts the double-shaft motor 21, and when the distance measuring sensor 8 detects that the distance between the main probe 4 and the standard probe 9 reaches the set value, the double-shaft motor 21 is stopped.

[0058] The sliding rod 55 is further provided with a driving spring 52, and the two ends of the driving spring 52 are connected to the sliding block 56 and the mounting frame 59, respectively.

[0059] Push the anti-skid push handle 57, the anti-skid push handle 57 drives the sliding block 56 by means of the T-shaped sliding piece 58, the sliding block 56 drives the sliding rod 55 to move into the mounting frame body 59 while the driving spring 52 is in the stretched state, the sliding rod 55 drives the mounting plug 53 by means of the limiting plate 54, the mounting plug 53 is separated from the mounting plug hole 511, then the positioning body 6 is installed on the L-shaped mounting piece 51 by means of the guide groove 61, then the force pushing the anti-skid push handle 57 is removed, the sliding block 56 and the sliding rod 55 will drive the mounting plug 53 to be inserted into the mounting plug hole 511 after passing through the connecting hole 62 under the driving of the elasticity of the driving spring 52, the installation of the positioning body 6 is completed, the quick release assembly 5 makes the positioning body 6 be installed and disassembled quickly and conveniently, and the time for replacing the positioning body 6 can be saved.

[0060] In the embodiment, if the stability of the connection is to be further improved, a magnet can be installed in the mounting plug hole 511, and the mounting plug 53 is made of ferrous material, and the stability of the connection is improved by attracting the mounting plug 53 by the magnet, which is one of the implementation manners, and other implementation manners can also be adopted.

[0061] As shown in the figure, Figure 7 The two sides of the positioning body 6 are provided with the guide groove 61 which is in sliding cooperation with the L-shaped mounting piece 51, one side of the guide groove 61 is provided with the connecting hole 62 through which the mounting plug 53 can pass, and the middle part of the positioning body 6 is provided with the positioning hole which is matched with the main probe 4 and the standard probe 9, and the positioning hole is used for limiting the main probe 4 and the standard probe 9, so that the probability of deviation of the main probe 4 and the standard probe 9 can be reduced; the positioning body 6 can be quickly installed on the L-shaped mounting piece 51 by the guide groove 61, and the connecting hole 62 on the positioning body 6 can be aligned with the mounting plug hole 511.

[0062] In the embodiment, the size and shape of the positioning hole on the positioning body 6 are set according to the main probe 4 and the standard probe 9, so that the positioning body 6 needs to be replaced according to different main probes 4 and standard probes 9 when used.

[0063] As shown in the figure, Figure 8 The one end of the fixed seat 71 and the movable seat 72 is provided with the internal thread interface 75, the internal thread interface 75 on the fixed seat 71 is electrically connected with the pin on the adapter through the lead wire, the internal thread interface 75 on the movable seat 72 is electrically connected with the pin on the adapter through the spiral lead wire 73, the elasticity of the spiral lead wire 73 itself enables the movable seat 72 to move and rotate more smoothly, and the spiral lead wire 73 is not easy to break and fall off when the movable seat 72 moves and rotates, which is conducive to the stability of the connection between the internal thread interface 75 on the movable seat 72 and the adapter.

[0064] Specifically, one end of the main probe 4 and the standard probe 9 is provided with an external thread joint capable of being screwed with the internal thread interface 75, and the main probe 4 and the standard probe 9 are convenient to disassemble through the threaded connection of the external thread joint and the internal thread interface 75.

[0065] As shown in Figure 2 , Figure 3 and Figure 4 , the support cylinder 3 is provided with a support frame 37 for mounting the double-shaft motor 21, the middle part of the support cylinder 3 is provided with a connecting cylinder body 32 which is arranged face to face with the adapter, the closed end of the connecting cylinder body 32 is provided with a connecting socket 35 which is electrically connected with the adapter and the double-shaft motor 21 through wires, and the end of the connecting socket 35 located outside the connecting cylinder body 32 is movably sleeved with a connecting screw sleeve 36, so that the double-shaft motor 21, the main probe 4, the standard probe 9 and the distance sensor 8 are electrically connected with the control system through the connecting socket 35 and the adapter.

[0066] Specifically, the transmission interface is composed of an external thread interface which is screwed with the connecting screw sleeve 36 and a connecting socket which is plugged with the connecting socket 35, the connecting socket is installed in the external thread interface, and in addition to the plug-in connection of the connecting socket 35 and the connecting socket, the threaded connection of the connecting screw sleeve 36 and the external thread interface can improve the stability of the connection and effectively avoid the situation that the connecting socket 35 is separated from the connecting socket due to gravity, shaking and the like.

[0067] In work, the detection mechanism is installed at the movement end of the transmission mechanism of the three-coordinate measuring machine, when the multi-probe mode is selected, the distance parameter between the standard probe 9 and the main probe 4 is set, the driving rod 26 is driven by the double-shaft motor 21 to drive the driving gear 22 to mesh with the internal gear 24, the transmission cylinder 23 is driven to rotate by the internal gear 24, the movable rod 27 is moved along the guide groove 34 by the transmission sliding groove 28, the movable rod 27 drives the movable seat 72 by the mounting bracket 25 to adjust the distance between the standard probe 9 and the main probe 4, when the distance between the main probe 4 and the standard probe 9 detected by the distance sensor 8 reaches the set value, the double-shaft motor 21 stops rotating, then the main probe 4 and the standard probe 9 are driven to move on the three coordinate axes by the transmission mechanism, when the moving tracks of the main probe 4 and the standard probe 9 are the same, the data measured by the main probe 4 and the standard probe 9 are compared and analyzed, it can be known whether the main probe 4 deviates during measurement, and the main probe 4 and the standard probe 9 can also complete measurement at different positions;

[0068] When the single probe mode is selected, after the movable rod 27 moves to the intersection of the guide groove 34 and the arc-shaped groove 33, the transmission cylinder 23 continues to rotate, and the movable rod 27 is driven to move along the arc-shaped groove 33 by the transmission cylinder 23, so that the standard probe 9 is rotated by 180°, and collision between the standard probe 9 and the workpiece or other components can be effectively avoided when the main probe 4 is driven to move on the three coordinate axes by the transmission system of the three-coordinate measuring machine.

[0069] Finally, it should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the foregoing embodiments of the present application have been described in detail, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-sensitivity three-dimensional coordinate measuring machine detection mechanism, characterized in that: include: A measuring head mechanism (1), the moving end of which is provided with a transmission interface electrically connected to a control system; A support cylinder (3) driven by the measuring head mechanism (1), wherein an adapter is provided through the middle of the support cylinder (3), and support end covers (31) are provided at both ends of the support cylinder (3); A main measuring head (4) and two standard measuring heads (9), wherein the main measuring head (4) is located between the two standard measuring heads (9); An adjustment mechanism (2) provided on one side of the main probe (4) and the standard probe (9) is used to adjust the position of the standard probe (9), the adjustment mechanism (2) comprising a mounting bracket (25), the mounting bracket (25) being located outside the support tube (3); A probe mounting assembly (7) is composed of a fixed seat (71) mounted on the adapter and a movable seat (72) mounted on the mounting bracket (25), wherein the fixed seat (71) is used to mount the main probe (4), and the movable seat (72) is used to mount the standard probe (9); A plurality of positioning bodies (6) for positioning the main probe (4) and the standard probe (9), wherein the positioning bodies (6) are connected to the fixed seat (71) and the movable seat (72) via a quick-release assembly (5); The adjustment mechanism (2) further comprises a dual-axis motor (21) arranged in the support cylinder (3), a transmission cylinder (23) and a movable rod (27) mounted on the mounting bracket (25), wherein the output shaft of the dual-axis motor (21) is connected to a drive rod (26), and both ends of the drive rod (26) are provided with a drive gear (22), and one end of the transmission cylinder (23) is rotatably connected to the support end cover (31) through a bearing, and the other end is provided with an internal gear (24) meshing with the drive gear (22), and a transmission slot (28) for slidingly cooperating with the movable rod (27) is further provided on the outer wall of the transmission cylinder (23); Both sides of the fixed seat (71) and the movable seat (72) are provided with mounting grooves (74), and a distance sensor (8) capable of detecting the distance between the main probe (4) and the standard probe (9) is also installed on one side of the fixed seat (71) adjacent to the mounting groove (74), and the distance sensor (8) is electrically connected to the pins on the adapter through a wire; The quick-release assembly (5) includes a mounting frame (59) accommodated in the mounting groove (74), an L-shaped mounting member (51) provided on one side of the mounting frame (59), a sliding rod (55) capable of passing through a through hole on the mounting frame (59), a T-shaped sliding member (58), and an anti-slip push handle (57) installed on one end of the T-shaped sliding member (58), wherein the inner wall of the mounting frame (59) is symmetrically provided with guide grooves (591), the L-shaped mounting member (51) is provided with a mounting socket (511), which is also provided with a slot for accommodating the anti-slip push handle (57). The push handle (57) has an accommodating groove, one side of which is connected to a sliding groove (512) that is slidably matched with the T-shaped sliding member (58), and one end of the sliding rod (55) is installed with a limit plate (54), one side of the limit plate (54) is provided with a mounting plug rod (53) that is coaxial with the sliding rod (55) and plugged into the mounting socket (511), and the other end of the sliding rod (55) is installed with a sliding block (56) that is slidably matched with the guide groove (591), and a rectangular through hole is opened on the sliding block (56) for installing the T-shaped sliding member (58); The sliding rod (55) is also provided with a driving spring (52) on the outside, and the two ends of the driving spring (52) are respectively connected to the sliding block (56) and the installation frame (59).

2. A high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 1, characterized in that: The support tube (3) is provided with two guide slots (34) that are slidably engaged with the movable rod (27), and one end of the guide slot (34) is connected to an arcuate slot (33) that is slidably engaged with the movable rod (27).

3. The high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 1, characterized in that: Both sides of the positioning body (6) are provided with guide grooves (61) that are slidably matched with the L-shaped mounting member (51), one side of the guide groove (61) is connected to a connecting hole (62) that can accommodate the installation rod (53) to pass through, and a positioning hole that matches the main probe (4) and the standard probe (9) is provided in the middle of the positioning body (6).

4. The high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 1, characterized in that: One end of each of the fixed seat (71) and the movable seat (72) is provided with an internal thread interface (75), the internal thread interface (75) on the fixed seat (71) is electrically connected to the pins on the adapter via a wire, and the internal thread interface (75) on the movable seat (72) is electrically connected to the pins on the adapter via a spiral wire (73).

5. The high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 1, characterized in that: One end of each of the main measuring head (4) and the standard measuring head (9) is provided with an external threaded connector capable of being threadedly connected to the internal threaded interface (75).

6. The high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 1, characterized in that: A support frame (37) for mounting the dual-axis motor (21) is provided in the support cylinder (3), and a connecting cylinder (32) disposed face-to-face with the adapter is connected to the middle of the support cylinder (3). A connecting socket (35) electrically connected to the adapter and the dual-axis motor (21) through a wire is provided through the closed end of the connecting cylinder (32), and a connecting socket (35) located outside the connecting cylinder (32) is movably provided with a connecting screw sleeve (36).

7. The high-sensitivity three-dimensional coordinate measuring machine detection mechanism according to claim 6, characterized in that: The transmission interface is composed of an external threaded interface threadedly connected to the connecting screw sleeve (36) and a connecting socket plugged into the connecting socket (35), and the connecting socket is installed in the external threaded interface.

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