CN117464335A - Floating positioning mechanism, flatness multidimensional adjusting device and AA equipment - Google Patents

Abstract

The invention provides a floating positioning mechanism, a flatness multidimensional adjusting device and AA equipment, which comprise: the floating mechanism comprises a mounting plate, a first connecting plate, a buffer assembly, a floating shaft assembly and a pull plate; the first connecting plate is connected with the mounting plate through a buffer assembly; one end of the floating shaft assembly is connected with the first connecting plate, and the other end of the floating shaft assembly is connected with the pulling plate; the unidirectional positioning mechanism comprises a first driving device and a first floating head arranged at the output end of the first driving device, wherein the first driving device is connected with the first connecting plate, and the first floating head acts on the floating shaft assembly to position and adjust. The invention can realize multidimensional floating, adjustment and positioning in a tiny range, and is beneficial to ensuring the high-precision assembly of the laser radar component; wherein, the floating positioning mechanism can finely tune and fix a position to ensure TX module assembly position and angular accuracy.

Description

Floating positioning mechanism, flatness multidimensional adjusting device and AA equipment

Technical Field

The invention relates to the technical field of laser radar assembly, in particular to a floating positioning mechanism, a flatness multi-dimensional adjusting device and AA equipment.

Background

With the wide application of intelligent driving technology in the automotive field, the laser radar technology is rapidly becoming an important component in a vehicle sensing system. In modern multi-channel lidar systems, the co-operation of the laser transmitter, barrel and receiver is critical to ensure high accuracy and high stability of the system. The pulsed laser emitted by the laser transmitter must be precisely reflected to the receiver through the lens barrel so that accurate distance and environmental information can be obtained.

Due to the wide range of applications of lidar in autopilot and environmental awareness, its high accuracy and stability requirements become particularly important. In the manufacturing process, how to realize the accurate alignment of the laser transmitter and the lens barrel and how to eliminate the tiny errors possibly accumulated in the assembly process, and ensuring the stability and consistency of output become the problems to be solved in the industry.

Disclosure of Invention

Therefore, the invention aims to solve the technical problem that the uniformity and reliability of the assembly relative positions of the laser transmitter and the lens barrel are required to be ensured in the prior art.

In order to solve the above technical problems, the present invention provides a floating positioning mechanism, including:

the floating mechanism comprises a mounting plate, a first connecting plate, a buffer assembly, a floating shaft assembly and a pull plate; the first connecting plate is connected with the mounting plate through a buffer assembly; one end of the floating shaft assembly is connected with the first connecting plate, and the other end of the floating shaft assembly is connected with the pulling plate;

the unidirectional positioning mechanism comprises a first driving device and a first floating head arranged at the output end of the first driving device, wherein the first driving device is connected with the first connecting plate, and the first floating head acts on the floating shaft assembly to position and adjust.

In one embodiment of the invention, the buffer assembly comprises a guide shaft, a linear bearing and a through plate; one end of the guide shaft is connected with the mounting plate, and the other end of the guide shaft is connected with the passing plate; the linear bearing is coaxially sleeved outside the guide shaft and connected with the first connecting plate.

In one embodiment of the present invention, the buffer assembly further comprises a pressure sensor, a cushion block and a compression spring; a first mounting groove is formed in one side, close to the first connecting plate, of the mounting plate, and the pressure sensor is arranged in the first mounting groove; the cushion block is in clearance fit with the first mounting groove, and is abutted with the pressure sensor; one end of the pressure spring is connected with the cushion block, and the other end of the pressure spring is connected with the first connecting plate.

In one embodiment of the invention, the floating shaft assembly comprises a first floating shaft, a second floating shaft, steel balls and a coupler; the first floating shaft is connected with the second floating shaft through the coupler, the first floating shaft is connected with the first connecting plate, and the second floating shaft is connected with the pulling plate; the steel balls are arranged between the first floating shaft and the second floating shaft.

In one embodiment of the invention, the floating mechanism further comprises a tension spring assembly comprising a first tension spring strut, a second tension spring strut, and a tension spring; the first tension spring struts are arranged on one side, close to the pull plate, of the first connecting plate in a plurality; the second tension spring struts are arranged on one side, close to the first connecting plate, of the pull plate and are in one-to-one correspondence with the first tension spring struts; the tension springs are provided with a plurality of tension spring struts, one end of each tension spring is connected with the first tension spring strut, and the other end of each tension spring is connected with the second tension spring strut.

In one embodiment of the present invention, a bidirectional positioning mechanism is further provided, which is connected to the first connecting plate and acts on the floating shaft assembly and the pulling plate to position and adjust; the bidirectional positioning mechanism comprises a second mounting plate, a second driving device, a second floating head, a third mounting plate, a third driving device and a third floating head; the second mounting plate is connected with the floating mechanism; the second driving device is arranged on the second mounting plate, and a piston rod of the second driving device is arranged towards the floating mechanism; the second floating head is arranged at the extending end of the piston rod of the second driving device; the third mounting plate is connected with the second mounting plate; the third driving device is arranged on the third mounting plate, and the third floating head is arranged at the extending end of the piston rod of the third driving device.

In one embodiment of the present invention, the bidirectional positioning mechanism further includes an adjusting plate provided with a through hole, the adjusting plate is connected to the pulling plate and is bent toward a direction away from the pulling plate, and the third floating head is connected to the third driving device through the through hole of the adjusting plate.

The invention also provides a flatness multidimensional adjusting device, which comprises a floating positioning mechanism, a triaxial displacement mechanism connected with the floating positioning mechanism and a clamping jaw mechanism connected with the floating positioning mechanism.

In one embodiment of the invention, the clamping jaw mechanism comprises an extension block, a clamping jaw opening and closing assembly, a baffle block and clamping jaws; one end of the lengthening block is connected with the pulling plate, and the other end of the lengthening block is connected with the clamping jaw opening and closing assembly; the baffle block is connected with the clamping jaw opening and closing assembly; the clamping jaw is in transmission connection with the clamping jaw opening and closing assembly.

The invention also provides AA equipment, which comprises a flatness multi-dimensional adjusting device.

Compared with the prior art, the technical scheme of the invention has the following advantages:

(1) The invention provides a floating positioning mechanism, a flatness multi-dimensional adjusting device and AA equipment, which can realize multi-dimensional floating, adjustment and positioning in a tiny range and are beneficial to ensuring the high-precision assembly of a laser radar component; wherein, the floating positioning mechanism can finely tune and fix a position to ensure TX module assembly position and angular accuracy.

(2) The floating positioning mechanism comprises the buffer component and the floating shaft component, wherein the buffer component can absorb shock and vibration, and the stability of the system is improved. The floating shaft assembly can be finely adjusted and regulated in multiple directions, so that tiny errors possibly accumulated are eliminated, the assembly is ensured to reach an ideal balance position, and the assembly requirement of the laser radar assembly is met.

(3) The tension spring assembly provides elastic support, so that a dynamic balance whole is formed between the mounting disc and the pulling plate in the floating mechanism, displacement and adjustment can be facilitated in a small range, vibration and impact are absorbed, and the risk of dislocation or damage of parts caused by external vibration is reduced.

Drawings

In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

FIG. 1 is a schematic view of a floating mechanism of a floating positioning mechanism according to the present invention;

FIG. 2 is a front view of a float mechanism of the float positioning mechanism of the present invention;

FIG. 3 is a cross-sectional view taken at B-B in FIG. 2;

FIG. 4 is a schematic view of a flatness multi-dimensional adjusting apparatus according to the present invention;

fig. 5 is a side view of a flatness multi-dimensional adjusting device of the present invention.

Description of the specification reference numerals: 1. a floating mechanism; 11. a mounting plate; 12. a first connection plate; 13. a buffer assembly; 131. a guide shaft; 132. a linear bearing; 133. passing a board; 134. a pressure sensor; 135. a cushion block; 136. a pressure spring; 14. a floating shaft assembly; 141. a first floating shaft; 142. a second floating shaft; 143. steel balls; 144. a coupling; 15. pulling a plate; 16. a tension spring assembly; 161. a first tension spring strut; 162. a second tension spring strut; 163. a tension spring; 2. a unidirectional positioning mechanism; 21. a first driving device; 22. a first floating head; 23. a first mounting plate; 3. a two-way positioning mechanism; 31. a second mounting plate; 32. a second driving device; 33. a second floating head; 34. a third mounting plate; 35. a third driving device; 36. a third floating head; 37. an adjusting plate; 4. a triaxial displacement mechanism; 5. a jaw mechanism; 51. a lengthening block; 52. a jaw opening and closing assembly; 53. a baffle block; 54. a clamping jaw; 6. a TX module; 7. and a second connecting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.

Example 1

Referring to fig. 1-3, the present invention provides a floating positioning mechanism comprising:

a floating mechanism 1 including a mounting plate 11, a first connection plate 12, a buffer assembly 13, a floating shaft assembly 14, and a pulling plate 15; the first connecting plate 12 is connected with the mounting plate 11 through a buffer assembly 13; one end of the floating shaft assembly 14 is connected with the first connecting plate 12, and the other end is connected with the pulling plate 15;

the unidirectional positioning mechanism 2 comprises a first driving device 21 and a first floating head 22 arranged at the output end of the first driving device 21, the first driving device 21 is connected with the first connecting plate 12, and the first floating head 22 acts on the floating shaft assembly 14 to position and adjust.

Specifically, the floating positioning mechanism mainly comprises a floating mechanism 1 and a one-way positioning mechanism 2, wherein the floating mechanism 1 provides the functions of buffering, damping and multidimensional floating, and when the floating mechanism 1 is adjusted to a specific position, the force application end of the one-way positioning mechanism 2 acts on the floating position of the floating mechanism 1 to play a role in fixing and positioning; further, in the floating mechanism 1, the mounting plate 11 is used to mount the floating mechanism 1 on a larger apparatus to achieve lifting or displacement of the floating positioning mechanism on a larger scale; one surface of the first connecting plate 12 is connected with the mounting plate 11 through the buffer component 13, the other surface is connected with the floating shaft component 14, the floating shaft component is positioned between the mounting plate 11 and the pull plate 15 and is an intermediate connecting piece between the buffer component 13 and the floating shaft component 14, and meanwhile, a plurality of mounting positions for connecting and fixing the unidirectional positioning mechanism 2 are arranged on the first connecting plate 12, so that a firm connection effect is provided for a plurality of components in the floating mechanism 1; the buffer component 13 plays a role in buffering between the first connecting plate 12 and the mounting plate 11 when one end of the pull plate 15 of the floating mechanism 1 is stressed, and can be formed by adopting various elastic pieces such as springs or buffer slide ways; the floating shaft assembly 14 is arranged between the first connecting plate 12 and the pull plate 15, is an adjusting mechanism for the angle of the pull plate 15, and plays a role in ensuring the position and angle accuracy of the pull plate 15 by adjusting the position of the floating shaft assembly 14; the pull plate 15 is positioned below the floating shaft assembly 14 and is used for connecting a mechanism for grabbing or adsorbing objects, and is the lowest stress end in the floating mechanism 1; further, in the unidirectional positioning mechanism 2, the first driving device 21 is usually an air cylinder, which is connected with the first connecting plate 12 through the first mounting plate 23, the output end (piston end of the air cylinder) of the first driving device 21 passes through the first mounting plate 23 and is arranged towards the floating shaft assembly 14, the first floating head 22 is arranged on the output end of the first driving device 21 and moves along with the output end, and when the first floating head 22 abuts against the floating shaft assembly 14, the floating shaft assembly 14 is prevented from continuing to float and position; in one embodiment, at least two single positioning members are provided and positioned radially of the floating shaft assembly 14 to ensure optimal positioning.

Referring to fig. 2-3, the buffer assembly 13 includes a guide shaft 131, a linear bearing 132, and a pass plate 133; one end of the guide shaft 131 is connected to the mounting plate 11, and the other end is connected to the passing plate 133; the linear bearing 132 is coaxially sleeved outside the guide shaft 131, and the linear bearing 132 is connected with the first connecting plate 12.

Specifically, the linear bearings 132 are arranged in a plurality of circumferential arrays relative to the middle point of the first connecting plate 12, and the upper ends of the linear bearings 132 are fixedly connected with the first connecting plate 12, so as to drive the first connecting plate 12 to move synchronously with the linear bearings; the guide shafts 131 are arranged in one-to-one correspondence with the linear bearings 132, the length of the guide shafts is larger than that of the linear bearings 132, and two ends of each guide shaft 131 are respectively connected with the mounting plate 11 and the passing plate 133 to limit the sliding length of the linear bearings 132; the passing plate 133 is in a circular ring shape, and the floating shaft assembly 14 passes through the ring. When one end of the pull plate 15 is forced to drive the floating shaft assembly 14 to move upwards, the floating shaft assembly 14 pushes the first connecting plate 12 to move upwards along the guide shaft 131, so that a buffering effect is achieved.

Referring to fig. 2-3, the buffer assembly 13 further includes a pressure sensor 134, a pad 135, and a compression spring 136; a first mounting groove is formed in one side, close to the first connecting plate 12, of the mounting plate 11, and the pressure sensor 134 is arranged in the first mounting groove; the cushion block 135 is in clearance fit with the first mounting groove, and the cushion block 135 is abutted with the pressure sensor 134; one end of the compression spring 136 is connected to the pad 135, and the other end is connected to the first connecting plate 12.

Specifically, one end of the compression spring 136 acts on the first connecting plate 12, and the other end acts on the mounting plate 11 through the cushion block 135 and the pressure sensor 134, so that the compression spring is a preferred buffer member between the first connecting plate 12 and the mounting plate 11, and has the advantages of vibration reduction, buffering and stability enhancement; the pressure sensor 134 is used to read the pressure readings between the compression spring 136 and the first connection plate 12 and feed the data back to the external data receiver, forming a feedback loop, facilitating further accurate control adjustments.

Referring to fig. 3, the floating shaft assembly 14 includes a first floating shaft 141, a second floating shaft 142, steel balls 143, and a coupling 144; the first floating shaft 141 is connected with the second floating shaft 142 through the coupling 144, the first floating shaft 141 is connected with the first connecting plate 12, and the second floating shaft 142 is connected with the pull plate 15; the steel balls 143 are arranged between the first floating shaft 141 and the second floating shaft 142.

Specifically, the first floating shaft 141 and the second floating shaft 142 are connected by a coupling 144 to ensure movement coordination therebetween; the steel balls 143 are positioned between the first floating shaft 141 and the second floating shaft 142 to reduce friction and maintain motion stability; the floating shaft assembly 14 meets the requirements of tiny position adjustment and fine positioning through the structure, and ensures that the pull plate 15 connected with the floating shaft assembly can reach the ideal balance position.

Referring to fig. 1-2, the float mechanism 1 further includes a tension spring 163 assembly 16 including a first tension spring 163 strut 161, a second tension spring 163 strut 162, and a tension spring 163; the first tension springs 163 support columns 161 are provided in plurality and are arranged on one side, close to the pull plate 15, of the first connecting plate 12; the second tension springs 163 support columns 162 are provided in a plurality and are arranged on one side of the pull plate 15 close to the first connecting plate 12, and the second tension springs 163 support columns 162 and the first tension springs 163 support columns 161 are arranged in a one-to-one correspondence; the tension springs 163 are provided with a plurality of tension springs, one ends of which are connected with the struts 161 of the first tension springs 163, and the other ends of which are connected with the struts 162 of the second tension springs 163.

Specifically, the tension spring 163 assembly 16 provides elastic support between the first connecting plate 12 and the pull plate 15, so that a dynamic balance is formed between the two components, displacement and adjustment can be performed within a small range, and meanwhile, the tension spring 163 assembly 16 can absorb vibration and impact, reduce the dislocation or damage risk of parts caused by external vibration, and enhance the stability and durability of the system.

Referring to fig. 4, at least two unidirectional positioning mechanisms 2 are connected to the first connecting plate 12 through a first mounting plate 23; the unidirectional positioning mechanism 2 passes through the first mounting plate 23 and is arranged along the radial direction of the floating shaft assembly 14.

Specifically, the unidirectional positioning mechanism 2 performs two-point positioning, three-point positioning or multi-point positioning on the floating shaft assembly 14, and ensures that the floating shaft assembly 14 is stabilized at a balance position by the abutting of the first floating head 22 with the floating shaft assembly 14 in different directions, thereby facilitating the further process.

Referring to fig. 4, a bidirectional positioning mechanism 3 is further provided, which is connected to the first connecting plate 12 and acts on the floating shaft assembly 14 and the pulling plate 15 to adjust positioning.

Specifically, besides the unidirectional positioning mechanism 2, a bidirectional positioning mechanism 3 can be further arranged to further enhance the positioning effect; in a specific embodiment, the bi-directional positioning mechanism 3 performs positioning adjustment on the floating shaft assembly 14 and the pull plate 15 respectively, that is, the pull plate 15 is further fine-tuned while abutting against the floating shaft assembly 14, so that flexibility of positioning adjustment is increased.

Referring to fig. 4-5, the bi-directional positioning mechanism 3 includes a second mounting plate 31, a second driving device 32, a second floating head 33, a third mounting plate 34, a third driving device 35, and a third floating head 36; the second mounting plate 31 is connected with the floating mechanism 1; the second driving device 32 is arranged on the second mounting plate 31, and a piston rod of the second driving device 32 is arranged towards the floating mechanism 1; the second floating head 33 is arranged at the extending end of the piston rod of the second driving device 32; the third mounting plate 34 is connected with the second mounting plate 31; the third driving device 35 is arranged on the third mounting plate 34, and the third floating head 36 is arranged at the extending end of the piston rod of the third driving device 35.

Specifically, the bidirectional positioning mechanism 3 includes two sets of driving devices that are longitudinally arranged, each set of driving devices adopts an air cylinder, and the piston ends of the driving devices are respectively provided with a second floating head 33 and a third floating head 36, wherein when the second floating head 33 is abutted against the floating shaft assembly 14, the second floating head has the function of preventing the floating shaft assembly 14 from continuously floating and positioning, and the third floating head 36 acts on the pull plate 15 along with the retraction of the third driving device 35, so that the position of the pull plate 15 is further finely adjusted.

Referring to fig. 5, the bidirectional positioning mechanism 3 further includes an adjusting plate 37 with a through hole, the adjusting plate 37 is connected to the pulling plate 15 and is bent toward a direction away from the pulling plate 15, and the third floating head 36 is connected to the third driving device 35 through the through hole of the adjusting plate 37.

Specifically, the adjusting plate 37 is L-shaped, with a short side thereof connected to the first connecting plate 12, a through hole provided on a long side of the adjusting plate 37, and the third floating head 36 passing through the through hole and affecting the state of the pulling plate 15 by interaction with the adjusting plate 37; further, when the third floating head 36 moves away from the adjusting plate 37 along with the third driving device 35, the pull plate 15 can move along with the floating shaft assembly 14, and is not affected by the third floating head 36, and when the third floating head 36 moves along with the third driving device 35 near to and abuts against the adjusting plate 37, the pulled adjusting plate 37 drives the pull plate 15 to move, so as to implement adjustment.

Example two

Referring to fig. 4-5, the invention also provides a flatness multi-dimensional adjusting device, which comprises a floating positioning mechanism, a triaxial displacement mechanism 4 connected with the floating positioning mechanism, and a clamping jaw mechanism 5 connected with the floating positioning mechanism.

Specifically, the clamping jaw mechanism 5 is arranged below the floating positioning mechanism, and for a device for realizing clamping, the clamping jaw mechanism 5 clamps materials to realize partial assembly of the laser radar; the triaxial displacement mechanism 4 is arranged above the floating positioning mechanism and is a main power mechanism for fine adjustment positioning, and is driven by a plurality of cylinders in the three-axis displacement mechanism to drive the floating positioning mechanism to move in the x, y and z directions so as to seek an optimal balance position and eliminate possible accumulated tiny errors in assembly; the floating positioning mechanism is a mechanism for realizing the fine adjustment and positioning functions.

Referring to fig. 4-5, the jaw mechanism 5 includes an extension block 51, a jaw opening and closing assembly 52, a stop block 53, and a jaw 54; one end of the lengthening block 51 is connected with the pull plate 15, and the other end is connected with the clamping jaw opening and closing assembly 52; the baffle block 53 is connected with the clamping jaw opening and closing assembly 52; the clamping jaw 54 is in driving connection with the clamping jaw opening and closing assembly 52.

Specifically, the connection mode of the extension block 51 and the floating positioning mechanism is preferably detachable connection, so that the extension block 51 with different lengths can be replaced quickly, and different assembly requirements can be met; the jaw opening and closing assembly 52 is preferably an opening and closing assembly driven by a cylinder, and the opening and closing of the jaw 54 which is in sliding connection or hinged with the opening and closing assembly is controlled by the expansion and contraction of the cylinder, and in a specific embodiment, two cylinders in the cylinder opening and closing assembly are arranged in parallel so as to enhance the stability of the opening and closing process; the baffle block 53 is a limiting piece, and a clamping groove with a positioning limiting function is arranged at the lower part of the baffle block, so that the quick positioning of the materials to be clamped is facilitated.

Referring to fig. 4-5, the number of the baffle blocks 53 is several, and the baffle blocks 53 are arranged on one side of the clamping jaw opening and closing assembly 52 away from the lengthened block 51, and the baffle blocks 53 are provided with limiting grooves for positioning the TX module 6; the clamping jaw 54 clamps the TX module 6 following the movement of the clamping jaw opening and closing assembly 52.

Specifically, the blocking block 53 assists the clamping jaw 54 to rapidly clamp the TX module 6, so that the working efficiency of the clamping process is improved.

Referring to fig. 4-5, a second connecting plate is further provided, which is connected to the triaxial displacement mechanism 4, and a plurality of universal assembly bits are provided on the second connecting plate.

Specifically, the second connecting plate is disposed above the triaxial displacement mechanism 4 and is used for being connected with external equipment, so that the movement of the flatness multidimensional adjusting device over a larger distance is possible.

Example III

The invention also provides AA equipment which comprises a flatness multi-dimensional adjusting device.

Specifically, in AA equipment, a flatness multidimensional adjusting device is controlled by a portal frame to move among a plurality of stations, so that the assembly of a laser transmitter and a lens barrel in a laser radar is realized.

The invention relates to a floating positioning mechanism, a flatness multidimensional adjusting device and an AA device working mode and principle:

in the invention, in an initial state, a first driving device 21 in a one-way positioning mechanism 2 is retracted, a first floating head 22 is far away from a floating shaft assembly 14, a second driving device 32 in a two-way positioning mechanism 3 is retracted, a second floating head 33 is far away from the floating shaft assembly 14, a third driving device 35 is extended, a third floating head 36 is far away from an adjusting plate 37 and is not contacted with a pulling plate 15 or an lengthening block 51, and at the moment, both the floating mechanism 1 and a clamping jaw mechanism 5 are in a state capable of multi-directional displacement adjustment; in the material taking process, the portal frame drives the flatness multi-dimensional adjusting device to move above the material taking position of the TX module 6 and descend, the baffle block 53 is attached to the upper surface of the TX module 6 for positioning, the clamping jaw opening and closing assembly 52 drives the clamping jaw 54 to clamp the TX module 6, and then the portal frame drives the flatness multi-dimensional adjusting device to move above the lens barrel assembly station and descend until the TX module 6 is attached to the upper surface of the lens barrel; then, a positioning process is carried out, a first driving device 21 in the unidirectional positioning mechanism 2 and a second driving device 32 in the bidirectional positioning mechanism 3 extend out, so that the first floating head 22 and the second floating head 33 are abutted against the floating shaft assembly 14, the position of the floating shaft assembly 14 is fixed, a third driving device 35 in the bidirectional positioning mechanism 3 retracts, a third floating head 36 is abutted against an adjusting plate 37, the position of a pulling plate 15 is fixed, and the relative position of a TX module 6 clamped by a clamping jaw assembly is fixed; then, entering a fine adjustment process, receiving laser emitted by the TX module 6 by a rear camera after being reflected by a lens barrel, judging that the mounting position of the TX module 6 at the moment is vertical to the rear camera, driving the flatness multi-dimensional adjusting device by a portal frame, enabling the three-axis displacement mechanism 4 to move in the x, y and z directions according to the result received by the camera to compensate the position of the TX module 6, enabling the portal frame to drive the flatness multi-dimensional adjusting device to descend and be attached to the upper surface of the lens barrel, receiving the laser emitted by the TX module 6 by the rear camera after being reflected by the lens barrel, and judging the mounting position of the TX module 6 at the moment again; if the final assembly requirement is met, repeating the previous step; finally, the assembling process is carried out, the portal frame drives the flatness multi-dimensional adjusting device to attach the TX module 6 to the lens cone, and the TX module 6 is fixed by glue to complete the assembling.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (10)

1. A floating positioning mechanism, comprising:

a floating mechanism (1) comprising a mounting plate (11), a first connecting plate (12), a buffer assembly (13), a floating shaft assembly (14) and a pulling plate (15); the first connecting plate (12) is connected with the mounting plate (11) through a buffer assembly (13); one end of the floating shaft assembly (14) is connected with the first connecting plate (12), and the other end of the floating shaft assembly is connected with the pull plate (15);

the unidirectional positioning mechanism (2) comprises a first driving device (21) and a first floating head (22) arranged at the output end of the first driving device (21), wherein the first driving device (21) is connected with the first connecting plate (12), and the first floating head (22) acts on the floating shaft assembly (14) to position and adjust.

2. A floating positioning mechanism according to claim 1, wherein: the buffer assembly (13) comprises a guide shaft (131), a linear bearing (132) and a through plate (133); one end of the guide shaft (131) is connected with the mounting plate (11), and the other end of the guide shaft is connected with the passing plate (133); the linear bearing (132) is coaxially sleeved outside the guide shaft (131), and the linear bearing (132) is connected with the first connecting plate (12).

3. A floating positioning mechanism according to claim 1 or 2, characterized in that: the buffer assembly (13) further comprises a pressure sensor (134), a cushion block (135) and a pressure spring (136); a first mounting groove is formed in one side, close to the first connecting plate (12), of the mounting plate (11), and the pressure sensor (134) is arranged in the first mounting groove; the cushion block (135) is in clearance fit with the first mounting groove, and the cushion block (135) is abutted with the pressure sensor (134); one end of the pressure spring (136) is connected with the cushion block (135), and the other end of the pressure spring is connected with the first connecting plate (12).

4. A floating positioning mechanism according to claim 1, wherein: the floating shaft assembly (14) comprises a first floating shaft (141), a second floating shaft (142), steel balls (143) and a coupler (144); the first floating shaft (141) is connected with the second floating shaft (142) through the coupler (144), the first floating shaft (141) is connected with the first connecting plate (12), and the second floating shaft (142) is connected with the pulling plate (15); the steel balls (143) are arranged between the first floating shaft (141) and the second floating shaft (142).

5. A floating positioning mechanism according to claim 1, wherein: the floating mechanism (1) further comprises a tension spring assembly (16) which comprises a first tension spring support (161), a second tension spring support (162) and a tension spring (163); the first tension spring struts (161) are arranged on one side, close to the pull plate (15), of the first connecting plate (12); the second tension spring struts (162) are arranged on one side, close to the first connecting plate (12), of the pull plate (15), and the second tension spring struts (162) are arranged in one-to-one correspondence with the first tension spring struts (161); the tension springs (163) are provided with a plurality of tension spring struts (161), one ends of the tension springs are connected with the first tension spring struts (161), and the other ends of the tension springs are connected with the second tension spring struts (162).

6. A floating positioning mechanism according to claim 1, wherein: the two-way positioning mechanism (3) is connected with the first connecting plate (12) and acts on the floating shaft assembly (14) and the pulling plate (15) to position and adjust; the bidirectional positioning mechanism (3) comprises a second mounting plate (31), a second driving device (32), a second floating head (33), a third mounting plate (34), a third driving device (35) and a third floating head (36); the second mounting plate (31) is connected with the floating mechanism (1); the second driving device (32) is arranged on the second mounting plate (31), and a piston rod of the second driving device (32) is arranged towards the floating mechanism (1); the second floating head (33) is arranged at the extending end of the piston rod of the second driving device (32); the third mounting plate (34) is connected with the second mounting plate (31); the third driving device (35) is arranged on the third mounting plate (34), and the third floating head (36) is arranged at the extending end of the piston rod of the third driving device (35).

7. A floating positioning mechanism according to claim 6, wherein: the bidirectional positioning mechanism (3) further comprises an adjusting plate (37) provided with a through hole, the adjusting plate (37) is connected with the pulling plate (15) and bends towards a direction far away from the pulling plate (15), and the third floating head (36) penetrates through the through hole of the adjusting plate (37) and is connected with the third driving device (35).

8. The utility model provides a roughness multidimension degree adjusting device which characterized in that: comprising a floating positioning mechanism according to any one of claims 1-7, a triaxial displacement mechanism (4) connected to said floating positioning mechanism, and a jaw mechanism (5) connected to said floating positioning mechanism.

9. The flatness multi-dimensional adjusting apparatus of claim 8, wherein: the clamping jaw mechanism (5) comprises an extension block (51), a clamping jaw opening and closing assembly (52), a blocking block (53) and clamping jaws (54); one end of the lengthening block (51) is connected with the pulling plate (15), and the other end of the lengthening block is connected with the clamping jaw opening and closing assembly (52); the baffle block (53) is connected with the clamping jaw opening and closing assembly (52); the clamping jaw (54) is in transmission connection with the clamping jaw opening and closing assembly (52).

10. AA apparatus, characterized in that: comprising a flatness multi-dimensional adjusting device according to any of the claims 8-9.