CN111609269B

CN111609269B - Detector direction adjusting device for precise detection

Info

Publication number: CN111609269B
Application number: CN202010496761.6A
Authority: CN
Inventors: 安庆; 陈西江; 原菊蒲; 李强; 苏厚胜
Original assignee: Wuchang University of Technology
Current assignee: Wuchang University of Technology
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-10-08
Anticipated expiration: 2040-06-03
Also published as: CN111609269A

Abstract

The invention provides a detecting head direction adjusting device for precise detection, which relates to the technical field of detection equipment and comprises a rectangular mounting frame, wherein the inner sides of two long side edges of the mounting frame are respectively provided with a parallel transverse driving rod, the transverse driving rods are respectively provided with a transverse moving block, a longitudinal driving rod is connected between the transverse moving blocks, a longitudinal moving block is arranged on the longitudinal driving rod, a detecting head is arranged below the longitudinal moving block, a direction adjusting device is also arranged between the detecting head and the longitudinal moving block, the direction adjusting device comprises a driving component, a direction deflector and a stable clamping component which are connected in a matching way, the driving component is connected below the longitudinal moving block, the direction deflector is connected above the detecting head, the stable clamping component is arranged in the driving component, the detecting head can be arranged on a carrier with high-speed displacement for precise detection, the influence of the detecting head on inertia is small, the sensitivity is high, and the direction can be adjusted quickly and stably.

Description

Detector direction adjusting device for precise detection

Technical Field

The invention relates to the technical field of detection equipment, in particular to a detecting head direction adjusting device for precise detection.

Background

With the development of remote sensing technology, high spatial resolution remote sensing images become a main data source for applications such as precision agriculture, target recognition, disaster assessment, change monitoring and the like. In practical application, a surveying and mapping device is required to sweep a target terrain to acquire target terrain information, generally, an unmanned aerial vehicle or a geostationary satellite is adopted to carry out high-altitude detection, and especially, the unmanned aerial vehicle is most widely used.

However, the remote sensing device is likely to be loaded on a moving carrier, or a detection target is moved in real time, so that the detection direction also needs to be adjusted in real time, and if the detector of the remote sensing spectrometer is a large-size object with unchanged rotation, the direction adjustment during remote sensing detection is very troublesome.

For example, the chinese patent with publication number CN110822251A discloses an angle adjusting device for a remote sensing detector, which is provided with a brake locking assembly and a buffer stopping assembly, and the brake locking assembly and the buffer stopping assembly are respectively arranged at two opposite sides of the angle rotation adjusting assembly in the diameter direction, so that the unbalanced force in the braking process can be effectively reduced, meanwhile, the brake locking assembly locks and fixes the output end of the angle rotation adjusting assembly, the buffer stopping assembly performs buffer braking on the output end of the angle rotation adjusting assembly, so as to effectively realize buffer braking and effectively protect the motor and the transmission component, when braking, the controller firstly controls the buffer stopping assembly to act so as to perform buffer braking on the output end of the angle rotation adjusting assembly, and then controls the brake locking assembly to lock the output end of the angle rotation adjusting assembly, and simultaneously controlling the rotating speed of the driving motor to be reduced to a zero state.

However, the device has a complex structure and a complex angle adjustment process, is particularly difficult to mount on a small carrier, particularly a carrier with high-speed displacement, is greatly influenced by external inertia and adjustment resistance during high-speed movement, has strong use limitation, poor detection stability and low information acquisition accuracy.

In summary, the present invention is to provide a probe head direction adjustment device for precise probing, which has reliable probe direction adjustment capability, can be mounted on a carrier that moves at a high speed, ensures probing accuracy, and has good mounting convenience.

Disclosure of Invention

The invention provides a detecting head direction adjusting device for precise detection aiming at the defects of the prior art, the detecting head direction adjusting device for precise detection adopts the direction adjusting device to adjust the direction of a detecting head, and the adjusting mode is a mode of enabling the detecting head to generate inclined deflection and not enabling the detecting head to rotate, so that the detecting head can be adjusted in the direction of any rotation number of turns under the condition of connecting a power line, and the direction adjusting speed is greatly improved; in addition, when the detecting head needs the quick adjustment direction, can reduce the inertia influence of detecting head and direction deflector through stabilizing the block subassembly, improve sensitivity, the quick stable direction of adjusting that must.

The specific technical scheme of the invention is as follows: a detecting head direction adjusting device for precise detection comprises a rectangular mounting frame, wherein parallel transverse driving rods are respectively arranged on the inner sides of two long side edges of the mounting frame, transverse moving blocks are respectively arranged on the transverse driving rods, a longitudinal driving rod is connected between the transverse moving blocks, a longitudinal moving block is arranged on the longitudinal driving rod, a detecting head is arranged below the longitudinal moving block, the position of the detecting head is adjusted under the driving action of the transverse driving rods and the longitudinal driving rod, a direction adjusting device for changing the direction of the detecting head is further arranged between the detecting head and the longitudinal moving block, the direction adjusting device comprises a driving assembly, a direction deflector and a stable clamping assembly which are connected in a matching manner, the driving assembly is connected below the longitudinal moving block, and the direction deflector is connected above the detecting head, the direction deflector can drive the detecting head to deflect in the direction under the action of the driving assembly, and the stable clamping assembly is installed in the driving assembly and used for reducing the influence of inertia when the detecting head and the direction deflector deflect, improving the sensitivity and quickly and stably adjusting the direction.

Therefore, the transverse driving rod can drive the transverse moving block to move transversely so as to drive the longitudinal driving rod to move transversely, and the longitudinal driving rod can drive the longitudinal moving block to move longitudinally so as to realize transverse and longitudinal movement of the probe; the direction adjusting device can adjust the direction of the detecting head, the adjusting mode is a mode of enabling the detecting head to generate inclined deflection, the detecting head is not enabled to rotate, therefore, the direction of the detecting head can be adjusted by more than 360 degrees under the condition that the detecting head is connected with an electric wire, and the direction adjusting speed is greatly improved; when the driving assembly moves at a high speed to enable the direction deflector to deflect and change direction quickly, the stable clamping assembly can reduce the inertia influence of the detecting head and the direction deflector, improve the sensitivity and quickly and stably adjust the direction.

Preferably, the driving assembly includes a cylindrical housing, and a rotary driving assembly and a rotary amplitude modulation assembly mounted inside the housing.

Thereby, directional adjustment of the probe head can be achieved by the rotary drive assembly, magnitude of directional deflection of the probe head can be achieved by the rotary amplitude modulation assembly, and the probe head is controlled not to deflect.

Preferably, the rotary driving assembly includes a rotary driving motor with a downward main shaft, a rotary driving pressing wheel driven by the rotary driving motor to move along a circumferential path, and a connecting rod connecting the main shaft of the rotary driving motor and the rotary driving pressing wheel.

Therefore, the rotary driving motor drives the connecting rod to rotate, and the connecting rod drives the rotary driving pressing wheel to roll on the direction deflector to drive the direction deflector to deflect.

Preferably, the rotating amplitude modulation assembly comprises a lifting cylinder which is sleeved at the tail of the rotating driving motor and is provided with an external thread on the outer surface, a lifting driving cylinder which is in threaded fit with the lifting cylinder, a positioning cylinder which is sleeved outside the lifting driving cylinder and is fixedly connected with the shell, and an amplitude modulation driving motor which drives the lifting driving cylinder to rotate; the lower side of the lifting driving cylinder extends to form a gear ring, and an amplitude modulation driving gear which is matched with the gear ring to drive the lifting driving cylinder to rotate is installed on a main shaft of the amplitude modulation driving motor; the inner side above the lifting cylinder is provided with a limiting groove parallel to the axis of the lifting cylinder, a limiting clamping strip is clamped in the limiting groove, and the upper end of the limiting clamping strip is fixedly connected with the shell.

Therefore, the lifting driving cylinder is matched with the positioning cylinder through a bearing, and the amplitude modulation driving motor can drive the lifting driving cylinder to rotate so as to drive the lifting cylinder in threaded fit to lift and lower, so that the whole rotary driving assembly is lifted and lowered; the amplitude modulation driving gear can be driven to rotate by the amplitude modulation driving motor, so that the lifting driving cylinder is driven to rotate; the limiting groove is limited by the limiting clamping strip, so that the lifting cylinder cannot rotate and can only move up and down.

Preferably, the stable engaging means includes a rotation engaging means and an engaging disk, the rotation engaging means is mounted below the link, the engaging disk is mounted above the deflector, and the rotation engaging means is engaged with the engaging disk.

Therefore, when the rotating speed of the rotary driving motor is high, and the side edge of the direction deflector is pressed down by the rotary driving pinch roller and is not reset, the rotary clamping component can pull back the pressing part to quickly respond to the adjustment of the direction.

Preferably, the rotary clamping assembly comprises a connecting pull rod, a clamping elastic sheet, a limiting bolt and a buffer spring, wherein the upper end of the connecting pull rod is hinged to the lower part of the connecting rod, a hinged shaft is the same as the rotary tangential direction of the connecting rod, the clamping elastic sheet is arranged at the lower end of the connecting pull rod, the limiting bolt penetrates through the buffer spring and the clamping elastic sheet and then is fixedly connected with the connecting pull rod, the buffer spring is limited by the clamping elastic sheet and the head of the limiting bolt, and the clamping elastic sheet has the action of overcoming the elastic force of the buffer spring to move downwards; the clamping disc comprises a clamping extending part which is parallel to the upper surface of the direction deflector and is in an outwards extending annular shape, and the clamping elastic sheet extends into the space between the direction deflector and the clamping extending part and abuts against the lower surface of the clamping extending part.

Therefore, the clamping elastic sheet and the buffer spring can play a certain flexible buffer role to adapt to the position change in the rotating process, the connecting pull rod can rotate to ensure the contact area between the clamping elastic sheet and the lower surface of the clamping extending part, and the contact area between the clamping extending part and the clamping elastic sheet is increased when the direction deflector is pressed down to ensure the effect of clamping reset.

Preferably, the engaging elastic piece comprises an engaging piece and a limiting piece which are integrated, the engaging piece abuts against the lower surface of the engaging extending part, and the limiting piece abuts against the side surface of the connecting pull rod after the tail part of the engaging piece is bent upwards.

Therefore, the limit piece abuts against the side face of the connecting pull rod, so that the clamping elastic piece cannot rotate around the connecting pull rod as an axis to be separated from the clamping disc.

Preferably, the direction deflector comprises a deflector ring column and a support spring, and the bottom of the shell extends inwards to form a deflector support ring; the deflection ring post is from top to bottom including spacing support ring, spacing calorie of post and spacing spliced pole, spacing support ring spacing calorie of post with spacing spliced pole is "worker" font card respectively in deflection support ring top, hole department and below, supporting spring install in spacing support ring with between the deflection support ring, the rotary drive pinch roller press in spacing support ring top.

Therefore, when the rotary driving pinch roller is pressed downwards, the side surface of the limiting support ring is pressed to overcome the spring force of the support spring to incline downwards, so that the direction deflector is integrally inclined to realize direction adjustment; the supporting springs are circumferentially arrayed and distributed between the limiting supporting ring and the deflection supporting ring by taking the axis of the deflection ring column as an axis, and are at least installed in 3 numbers, so that the limiting supporting ring is enabled to be stressed more evenly, and the direction adjusting effect is better.

Preferably, the edge of the joint of the limiting clamping column and the limiting connecting column is abutted against the inner hole of the deflection support ring.

Therefore, the whole direction deflector does not move to the side, and the inclination action of the direction deflector is smoother.

Preferably, the diameter of the section of the limiting clamp column is gradually increased from top to bottom, and the side edge and the vertical surface form an included angle of 5-30 degrees; the diameter of the section of the connecting section of the limiting connecting column and the limiting clamping column is gradually increased from top to bottom, and the side edge and the horizontal plane form an included angle of 5-30 degrees.

Therefore, when the direction deflector is inclined, the limiting clamping column and the limiting connecting column are not easy to interfere with the deflection supporting ring.

In conclusion, the invention has the following beneficial effects:

the detecting head direction adjusting device for precise detection adopts the direction adjusting device to adjust the direction of the detecting head, and the adjusting mode is a mode of enabling the detecting head to generate inclined deflection without enabling the detecting head to rotate, so that the detecting head can be adjusted in the direction of any rotating circle number under the condition of connecting a power line, and the direction adjusting speed is greatly improved; in addition, when the detecting head needs the quick adjustment direction, can reduce the inertia influence of detecting head and direction deflector through stabilizing the block subassembly, improve sensitivity, the quick stable direction of adjusting that must.

Drawings

FIG. 1 is a cross-sectional view of the stable clamping assembly of the probe head orientation adjustment apparatus for precision probing of the present invention in an unadjusted orientation;

FIG. 2 is a top view of the probe head orientation adjustment apparatus for precision probing of the present invention;

FIG. 3 is a right side cross-sectional view of the longitudinal drive shaft of the probe orientation adjustment mechanism for precision probing of the present invention;

FIG. 4 is a cross-sectional view of the direction adjusting device of the probing tip direction adjusting device for precision probing according to the present invention;

FIG. 5 is an enlarged view of a portion of the stable engagement assembly of the probing tip orientation adjustment apparatus for precision probing of the present invention when the orientation of the probing tip is not adjusted;

FIG. 6 is an enlarged view of a portion of the stable engaging member of the probing tip orientation adjustment apparatus for precision probing of the present invention during orientation adjustment;

in the figure, 1-mounting rack, 2-transverse driving rod, 3-transverse moving block, 4-longitudinal driving rod, 5-longitudinal moving block, 6-detecting head, 7-direction adjusting device, 71-shell, 711-deflection supporting ring, 72-rotary driving component, 721-rotary driving motor, 722-rotary driving pinch roller, 723-connecting rod, 73-rotary amplitude modulation component, 731-lifting cylinder, 7311-limiting groove, 7312-limiting clamping strip, 732-lifting driving cylinder, 7321-gear ring, 733-positioning cylinder, 734-amplitude modulation driving motor, 7341-amplitude modulation driving gear, 74-deflection ring column, 741-limiting supporting ring, 742-limiting clamping column, 743-limiting connecting column, 75-supporting spring, and the like, 76-rotating clamping component, 761-connecting pull rod, 762-clamping spring sheet, 7621-clamping sheet, 7622-limiting sheet, 763-limiting bolt, 764-buffer spring, 77-clamping disc, 771-clamping extending part, 7 a-driving component, 7 b-direction deflector and 7 c-stable clamping component.

Detailed Description

The invention will be further explained by means of specific embodiments with reference to the drawings.

Referring to fig. 1, 2, 3 and 4, a probing tip direction adjusting device for precision probing comprises a rectangular mounting frame 1, wherein two long side inner sides of the mounting frame 1 are respectively provided with parallel transverse driving rods 2, the transverse driving rods 2 are respectively provided with a transverse moving block 3, a longitudinal driving rod 4 is connected between the transverse moving blocks 3, a longitudinal moving block 5 is arranged on the longitudinal driving rod 4, a probing tip 6 is arranged below the longitudinal moving block 5, the probing tip 6 is adjusted in position under the driving action of the transverse driving rods 2 and the longitudinal driving rods 4, a direction adjusting device 7 for changing the direction of the probing tip 6 is further arranged between the probing tip 6 and the longitudinal moving block 5, the direction adjusting device 7 comprises a driving component 7a, a direction deflector 7b and a stable clamping component 7c which are connected in a matching manner, the driving component 7a is connected below the longitudinal moving block 5, the direction deflector 7b is connected in detecting head 6 top, and the direction deflector 7b can drive detecting head 6 to take place the direction deflection under drive assembly 7 a's effect, and stable block subassembly 7c is installed inside drive assembly 7a for reduce inertial influence when making detecting head 6 and direction deflector 7b deflect, improve sensitivity, the fast stable direction of regulation.

Therefore, the transverse driving rod 2 can drive the transverse moving block 3 to transversely move so as to drive the longitudinal driving rod 4 to transversely move, and the longitudinal driving rod 4 can drive the longitudinal moving block 5 to longitudinally move so as to realize transverse and longitudinal movement of the detecting head 6; the direction adjusting device 7 can adjust the direction of the detecting head 6, the adjusting mode is a mode of enabling the detecting head 6 to generate inclined deflection, the detecting head 6 is not enabled to rotate, therefore, the direction of the detecting head 6 can be adjusted by more than 360 degrees under the condition of connecting out an electric wire, and the direction adjusting speed is greatly improved; when the driving assembly 7a moves at a high speed to enable the direction deflector 7b to deflect and change direction quickly, the inertia influence of the detecting head 6 and the direction deflector 7b can be reduced through the stable clamping assembly 7c, the sensitivity is improved, and the direction can be adjusted quickly and stably.

As shown in fig. 3 and 4, the driving assembly 7a includes a cylindrical housing 71, and a rotary driving assembly 72 and a rotary amplitude modulation assembly 73 mounted inside the housing 71.

Thus, adjustment of the orientation of the detector head 6 can be achieved by rotating the drive assembly 72, the amplitude of the directional deflection of the detector head 6 can be achieved by rotating the amplitude modulation assembly 73, and the detector head 6 can be controlled to not deflect.

As shown in fig. 3 and 4, the rotary driving assembly 72 includes a rotary driving motor 721 installed with a main shaft facing downward, a rotary driving pressure roller 722 driven by the rotary driving motor 721 to move along a circumferential path, and a link 723 connecting the main shaft of the rotary driving motor 721 and the rotary driving pressure roller 722.

Therefore, the rotation driving motor 721 drives the link 723 to rotate, and the link 723 drives the rotation driving pressure wheel 722 to roll on the direction deflector 7b, so as to drive the direction deflector 7b to deflect.

As shown in fig. 3 and 4, the rotation amplitude modulation assembly 73 includes a lifting cylinder 731 sleeved on the tail of the rotation driving motor 721 and having an external thread on the outer surface, a lifting driving cylinder 732 in threaded fit with the lifting cylinder 731, a positioning cylinder 733 sleeved outside the lifting driving cylinder 732 and fixedly connected to the housing 71, and an amplitude modulation driving motor 734 for driving the lifting driving cylinder 732 to rotate; a gear ring 7321 is formed by extending the lower side of the lifting driving cylinder 732 to the side, and an amplitude modulation driving gear 7341 which is matched with the gear ring 7321 and drives the lifting driving cylinder 732 to rotate is installed on the main shaft of the amplitude modulation driving motor 734; a limiting groove 7311 parallel to the axis of the lifting cylinder 731 is formed in the inner side above the lifting cylinder 731, a limiting clamping strip 7312 is clamped in the limiting groove 7311, and the upper end of the limiting clamping strip 7312 is fixedly connected with the shell 71.

Therefore, the lifting driving cylinder 732 is matched with the positioning cylinder 733 through a bearing, and the amplitude modulation driving motor 734 can drive the lifting driving cylinder 732 to rotate, so as to drive the lifting cylinder 731 in threaded fit to lift, so that the whole rotary driving component 72 is lifted; the amplitude modulation driving motor 734 can drive the amplitude modulation driving gear 7341 to rotate, so as to drive the lifting driving cylinder 732 to rotate; the limiting groove 7311 is limited by the limiting strip 7312, so that the lifting cylinder 731 can not rotate and can only move up and down.

As shown in fig. 3, 4, 5, and 6, the stable engaging unit 7c includes a rotating engaging unit 76 and an engaging disk 77, the rotating engaging unit 76 is mounted below the link 723, the engaging disk 77 is mounted above the direction deflector 7b, and the rotating engaging unit 76 and the engaging disk 77 are engaged with each other.

Therefore, when the rotational speed of the rotational driving motor 721 is fast and the side of the direction deflector 7b is pressed by the rotational driving roller 722 and is not reset, the rotational engaging member 76 can pull back the pressed portion to quickly respond to the adjustment of the direction.

As shown in fig. 3, 4, 5, and 6, the rotation locking assembly 76 includes a connection rod 761, a locking spring 762, a limiting bolt 763, and a buffering spring 764, wherein the upper end of the connection rod 761 is hinged to the lower side of the connection rod 723, the hinge shaft is in the same direction as the rotation tangent direction of the connection rod 723, the locking spring 762 is mounted at the lower end of the connection rod 761, the limiting bolt 763 passes through the buffering spring 764 and the locking spring 762 and then is fixedly connected to the connection rod 761, the buffering spring 764 is limited by the heads of the locking spring 762 and the limiting bolt 763, and the locking spring 762 has a downward movement action against the elastic force of the buffering spring 764; the engaging disc 77 includes an engaging extending portion 771 parallel to the upper surface of the direction deflector 7b and extending outward in a circular ring shape, and the engaging elastic piece 762 extends between the direction deflector 7b and the engaging extending portion 771 to abut against the lower surface of the engaging extending portion 771.

From this, block shell fragment 762 and buffer spring 764 can play certain flexible cushioning effect to the change of adaptation position in rotatory process, and connect the pull rod 761 and can rotate, in order to guarantee the area of contact of block shell fragment 762 and block extension 771 lower surface, and the area of contact grow of block extension 771 and block shell fragment 762 when direction deflector 7b is pushed down, in order to guarantee the effect that the block resets.

As shown in fig. 3, 4, 5, and 6, the engaging resilient piece 762 includes an engaging piece 7621 and a limiting piece 7622, the engaging piece 7621 abuts against the lower surface of the engaging extending portion 771, and the limiting piece 7622 is bent upward from the tail of the engaging piece 7621 and abuts against the side surface of the connecting rod 761.

Therefore, the limit piece 7622 abuts against the side surface of the connection rod 761 to ensure that the engaging elastic piece 762 does not rotate around the connection rod 761 and disengage from the engaging disk 77.

As shown in fig. 3 and 4, the direction deflector 7b includes a deflector ring post 74 and a support spring 75, and the bottom of the housing 71 extends inward to form a deflector support ring 711; the deflecting ring column 74 comprises a limiting support ring 741, a limiting clamp column 742 and a limiting connection column 743 from top to bottom, the limiting support ring 741, the limiting clamp column 742 and the limiting connection column 743 are clamped above, in an inner hole and below the deflecting support ring 711 in an I shape, the support spring 75 is installed between the limiting support ring 741 and the deflecting support ring 711, and the rotary driving pinch roller 722 is pressed above the limiting support ring 741.

Therefore, when the rotary driving pinch roller 722 is pressed downwards, the side surface of the limiting support ring 741 is pressed to overcome the spring force of the support spring 75 to incline downwards, so that the direction deflector 7b is integrally inclined to realize direction adjustment; the supporting springs 75 are circumferentially arrayed and distributed between the limiting supporting ring 741 and the deflecting supporting ring 711 by taking the axis of the deflecting ring column 74 as an axis, and at least 3 supporting springs are installed to ensure that the limiting supporting ring 741 is stressed more evenly and the direction adjusting effect is better.

Referring to fig. 3 and 4, the edge of the joint between the limit clip column 742 and the limit connection column 743 abuts against the inner hole of the deflection support ring 711.

This prevents the entire deflector 7b from moving sideways, and the tilting operation of the deflector 7b is smoother.

As shown in fig. 3 and 4, the diameter of the section of the limit clamp column 742 gradually increases from top to bottom, and the side edge and the vertical surface form an included angle of 5-30 degrees; the diameter of the section of the connecting section of the limiting connecting column 743 and the limiting clamping column 742 is gradually increased from top to bottom, and the side edge and the horizontal plane form an included angle of 5-30 degrees.

Accordingly, when the deflector 7b is tilted, the limit catches 742 and the limit connecting posts 743 are less likely to interfere with the deflector support ring 711.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides a detecting head direction adjusting device for precision detection, includes rectangular mounting bracket (1), parallel lateral drive pole (2) are installed respectively to two long side inboards of mounting bracket (1), install lateral shifting block (3) on lateral drive pole (2) respectively, be connected with between lateral shifting block (3) longitudinal drive pole (4), install longitudinal shifting block (5) on longitudinal drive pole (4), detecting head (6) are installed to longitudinal shifting block (5) below, detecting head (6) are in adjusting position under the drive action of lateral drive pole (2) with longitudinal drive pole (4), its characterized in that: a direction adjusting device (7) which enables the detecting head (6) to change direction is further installed between the detecting head (6) and the longitudinal moving block (5), the direction adjusting device (7) comprises a driving component (7a), a direction deflector (7b) and a stable clamping component (7c) which are connected in a matched mode, the driving component (7a) is connected below the longitudinal moving block (5), the direction deflector (7b) is connected above the detecting head (6), the direction deflector (7b) can drive the detecting head (6) to deflect in the direction under the action of the driving component (7a), and the stable clamping component (7c) is installed inside the driving component (7a) and used for reducing the influence of inertia when the detecting head (6) and the direction deflector (7b) deflect and improving the sensitivity, quickly and stably obtaining the adjusting direction; the driving assembly (7a) comprises a cylindrical shell (71), and a rotary driving assembly (72) and a rotary amplitude modulation assembly (73) which are arranged inside the shell (71); the rotary driving component (72) comprises a rotary driving motor (721) with a downward main shaft, a rotary driving pressure wheel (722) driven by the rotary driving motor (721) to move along a circumferential path, and a connecting rod (723) for connecting the main shaft of the rotary driving motor (721) and the rotary driving pressure wheel (722); the rotary amplitude modulation component (73) comprises a lifting cylinder (731) which is sleeved at the tail part of the rotary driving motor (721) and is provided with an external thread on the outer surface, a lifting driving cylinder (732) which is in threaded fit with the lifting cylinder (731), a positioning cylinder (733) which is sleeved outside the lifting driving cylinder (732) and is fixedly connected with the shell (71), and an amplitude modulation driving motor (734) which drives the lifting driving cylinder (732) to rotate; a gear ring (7321) is formed by extending the lower side of the lifting driving cylinder (732) to the side, and an amplitude modulation driving gear (7341) which is matched with the gear ring (7321) to drive the lifting driving cylinder (732) to rotate is installed on the main shaft of the amplitude modulation driving motor (734); a limiting groove (7311) parallel to the axis of the lifting cylinder (731) is formed in the inner side above the lifting cylinder (731), a limiting clamping strip (7312) is clamped in the limiting groove (7311), and the upper end of the limiting clamping strip (7312) is fixedly connected with the shell (71).

2. The probe head orientation adjustment device for precision probing according to claim 1, wherein: the stable clamping component (7c) comprises a rotating clamping component (76) and a clamping disc (77), the rotating clamping component (76) is installed below the connecting rod (723), the clamping disc (77) is installed above the direction deflector (7b), and the rotating clamping component (76) is clamped with the clamping disc (77).

3. A probe head orientation adjustment mechanism for precision probing according to claim 2 wherein: the rotary clamping assembly (76) comprises a connecting pull rod (761), a clamping elastic sheet (762), a limiting bolt (763) and a buffer spring (764), wherein the upper end of the connecting pull rod (761) is hinged to the lower side of the connecting rod (723), a hinged shaft is the same as the rotary tangential direction of the connecting rod (723), the clamping elastic sheet (762) is installed at the lower end of the connecting pull rod (761), the limiting bolt (763) penetrates through the buffer spring (764) and the clamping elastic sheet (762) and then is fixedly connected with the connecting pull rod (761), the buffer spring (764) is limited by the heads of the clamping elastic sheet (762) and the limiting bolt (763), and the clamping elastic sheet (762) has the action of overcoming the elastic force of the buffer spring (764) to move downwards; the clamping disc (77) comprises a clamping extending part (771) which is parallel to the upper surface of the direction deflector (7b) and is in an outwards extending annular shape, and the clamping elastic sheet (762) extends into a position between the direction deflector (7b) and the clamping extending part (771) and abuts against the lower surface of the clamping extending part (771).

4. A probe head orientation adjustment mechanism for precision probing according to claim 3 wherein: the clamping elastic piece (762) comprises an integrated clamping piece (7621) and a limiting piece (7622), the clamping piece (7621) is abutted to the lower surface of the clamping extending part (771), and the limiting piece (7622) is abutted to the side face of the connecting pull rod (761) after the tail part of the clamping piece (7621) is bent upwards.

5. The probe head orientation adjustment device for precision probing according to claim 1, wherein: the direction deflector (7b) comprises a deflector ring column (74) and a supporting spring (75), and the bottom of the shell (71) extends inwards to form a deflector supporting ring (711); the deflection ring column (74) comprises a limiting support ring (741), a limiting clamp column (742) and a limiting connection column (743) from top to bottom, the limiting support ring (741), the limiting clamp column (742) and the limiting connection column (743) are clamped above, in an inner hole and below the deflection support ring (711) in an I shape respectively, a support spring (75) is installed between the limiting support ring (741) and the deflection support ring (711), and a rotary drive pressing wheel (722) is pressed above the limiting support ring (741).

6. The probe head orientation adjustment device for precision probing according to claim 5, wherein: the edge of the joint of the limiting clamp column (742) and the limiting connecting column (743) is abutted against the inner hole of the deflection supporting ring (711).

7. The probe head orientation adjustment device for precision probing according to claim 6, wherein: the diameter of the section of the limiting clamp column (742) is gradually increased from top to bottom, and the side edge and the vertical surface form an included angle of 5-30 degrees; the diameter of the section of the connecting section of the limiting connecting column (743) and the limiting clamping column (742) is gradually increased from top to bottom, and the side edge and the horizontal plane form an included angle of 5-30 degrees.