CN114858198B - Mounting assembly and calibration support - Google Patents

Mounting assembly and calibration support Download PDF

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Publication number
CN114858198B
CN114858198B CN202210375084.1A CN202210375084A CN114858198B CN 114858198 B CN114858198 B CN 114858198B CN 202210375084 A CN202210375084 A CN 202210375084A CN 114858198 B CN114858198 B CN 114858198B
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China
Prior art keywords
axis
adjustment mechanism
fine adjustment
mounting bracket
handle
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CN202210375084.1A
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CN114858198A (en
Inventor
张登国
赖毕望
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Autel Intelligent Technology Corp Ltd
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Autel Intelligent Technology Corp Ltd
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Priority to CN202210375084.1A priority Critical patent/CN114858198B/en
Publication of CN114858198A publication Critical patent/CN114858198A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Control Devices (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to the technical field of vehicle calibration, and discloses a mounting assembly and a calibration bracket, wherein the mounting assembly comprises a movable bracket, a first fine adjustment mechanism, a second fine adjustment mechanism, a control handle and a fixed bracket assembly; the movable support, the first fine tuning mechanism, the second fine tuning mechanism and the fixed support component are sequentially connected, and the operating handle is movably connected with the second fine tuning mechanism; the movable bracket is used for mounting the calibration element; the fixed bracket component is used for connecting with the main body part of the calibration bracket; the manipulation handle is movable along its own axis between a first position and a second position, wherein upon movement to the first position the manipulation handle is associated with the first fine adjustment mechanism such that the manipulation handle is capable of manipulating the first fine adjustment mechanism; upon movement to the second position, the manipulation handle is associated with a second fine adjustment mechanism such that the manipulation handle is capable of manipulating the second fine adjustment mechanism. Therefore, the two fine adjustment mechanisms can be operated by only one handle, and the operation process is simple.

Description

Mounting assembly and calibration support
Technical Field
The invention relates to the technical field of vehicle calibration, in particular to a mounting assembly and a calibration bracket.
Background
The advanced driving assistance system (ADVANCED DRIVER ASSISTANT SYSTEM), abbreviated as ADAS, is an active safety technique for collecting environmental data inside and outside a vehicle at a first time by using various sensors mounted on the vehicle, and performing technical processes such as identification, detection and tracking of static and dynamic objects, so that a driver can perceive a possible danger at the fastest time to draw attention and improve safety. The sensors used by ADAS mainly include cameras, radar, laser, ultrasound, etc., and can detect light, heat, pressure, or other variables used to monitor the state of an automobile, typically located on front and rear bumpers, side mirrors, steering column interiors, or windshields of the vehicle. In the use process of the vehicle, vibration, collision, environmental temperature and humidity and the like can change the physical installation state of the sensor, so that calibration or calibration is required at an irregular period.
When the sensor is calibrated or calibrated, a calibration element is usually mounted on a calibration support to calibrate or calibrate the sensor on the vehicle. The calibration support is provided with a plurality of fine tuning mechanisms, each fine tuning mechanism is used for adjusting the angle or the position of the calibration element, each fine tuning mechanism is provided with a corresponding operating rod or knob, and when the plurality of fine tuning mechanisms are operated, the corresponding operating rods or knobs are required to be operated, and the operation process is complicated.
Disclosure of Invention
The embodiment of the invention aims to provide a mounting assembly and a calibration support, which are used for solving the technical problem that in the prior art, when a plurality of fine adjustment mechanisms are operated, a plurality of corresponding operating levers or knobs are required to be operated, so that the operation process is complicated.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: providing a mounting assembly, which comprises a movable bracket, a first fine adjustment mechanism, a second fine adjustment mechanism, a control handle and a fixed bracket assembly; the movable support, the first fine adjustment mechanism, the second fine adjustment mechanism and the fixed support component are sequentially connected, the control handle is movably connected with the second fine adjustment mechanism and can move between a first position and a second position along the axis of the control handle, wherein the control handle is associated with the first fine adjustment mechanism when moving to the first position, and the control handle is associated with the second fine adjustment mechanism when moving to the second position; the movable support is used for mounting the calibration element.
In some embodiments, the steering handle is rotatable about its own axis when associated with the first fine adjustment mechanism such that the first fine adjustment mechanism rotates the movable bracket about a first axis that is parallel to the axis of the steering handle.
In some embodiments, the first fine adjustment mechanism comprises a first mounting bracket, a combination slider, and a connecting rod; the first mounting bracket is rotationally connected with the movable bracket, and the axis of the movable bracket relative to the first mounting bracket coincides with the first axis; the combined sliding block is connected with the first mounting bracket in a sliding manner; one end of the connecting rod is rotationally connected with the combined sliding block, the axis of the connecting rod relative to the combined sliding block is parallel to the first axis, the other end of the connecting rod is rotationally connected with the movable support, and the axis of the connecting rod relative to the movable support is parallel to the first axis; the operating handle is associated with the first fine adjustment mechanism and, when rotated about its own axis, the combined slide moves in a direction perpendicular to the first axis.
In some embodiments, the first fine adjustment mechanism further comprises a first screw; the first screw rod is rotationally connected with the first mounting bracket, the axis of the first screw rod is parallel to the moving direction of the sliding block, and the combined sliding block is sleeved on the first screw rod and is in threaded connection with the first screw rod; the operating handle is associated with the first fine adjustment mechanism and, when rotated about its own axis, the first screw rotates.
In some embodiments, the first fine adjustment mechanism further comprises a first bevel gear, and the manipulation handle comprises a second bevel gear; the first bevel gear is coaxially fixed on the first screw rod; the steering handle, when associated with the first fine adjustment mechanism, the first bevel gear meshes with the second bevel gear.
In some embodiments, the operating handle is rotatable about its own axis when associated with the second fine adjustment mechanism such that the second fine adjustment mechanism rotates the movable bracket about a second axis that is perpendicular to the axis of the operating handle.
In some embodiments, the second fine adjustment mechanism comprises a second mounting bracket, a second slider, a locking member, and a second screw; the second mounting bracket is rotationally connected with the first mounting bracket, and the axis of the first mounting bracket relative to the second mounting bracket coincides with the second axis; the locking piece is used for enabling the second sliding block to be kept against the second mounting bracket; the second screw rod is rotationally connected with the first fine adjustment mechanism, and the axis of the second screw rod is parallel to the axis of the control handle; the second sliding block is sleeved on the second screw rod and is in threaded connection with the second screw rod; the operating handle is associated with the first fine adjustment mechanism and, when rotated about its own axis, the second screw is rotated.
In some embodiments, the retaining member includes a first threaded fastener and a second threaded fastener; the second mounting bracket is provided with a first mounting hole and a second mounting hole; a waist hole is formed in the second sliding block, and the length direction of the waist hole is parallel to the axis of the second screw rod; the first threaded fastener penetrates through one end of the first mounting hole and one end of the waist hole, and the second threaded fastener penetrates through the second mounting hole and the other end of the waist hole; the first threaded fastener and the second threaded fastener jointly compress the second slider of the second mounting bracket together.
In some embodiments, the first threaded fastener and the second threaded fastener each comprise a bolt and a runner; the sliding sleeve is sleeved on the portion of the bolt extending into the waist hole.
In some embodiments, the second fine adjustment mechanism further comprises a first gear; the control handle comprises a second gear; the first gear is coaxially fixed on the second screw rod; the second gear is meshed with the first gear when the operating handle is associated with the first fine adjustment mechanism.
In some embodiments, the second fine adjustment mechanism comprises a second mounting bracket, a first gear, a universal joint, a second lead screw, and a second slider; the second mounting bracket is rotationally connected with the first mounting bracket, and the axis of the first mounting bracket relative to the second mounting bracket coincides with the second axis; the first gear is rotationally connected with the first mounting bracket, and the axis of the first gear is parallel to the axis of the control handle; the second screw rod is connected with the first gear through the universal joint; the second sliding block is rotationally connected with the second mounting bracket, and the axis of the second sliding block relative to the second mounting bracket is parallel to the second axis; the second sliding block is sleeved on the second screw rod and is in threaded connection with the second screw rod; the operating handle, when associated with the first fine adjustment mechanism and rotated about its own axis, rotates the first gear.
In some embodiments, the fixed bracket assembly includes a third fine adjustment mechanism, a fourth fine adjustment mechanism, and a composite handle; the second fine tuning mechanism, the third fine tuning mechanism and the fourth fine tuning mechanism are sequentially connected; the compound handle is movably connected with the second fine adjustment mechanism and can move between a third position and a fourth position along the axis of the compound handle, wherein the compound handle is associated with the third fine adjustment mechanism when moving to the third position, and the compound handle is associated with the fourth fine adjustment mechanism when moving to the fourth position.
In some embodiments, the composite handle, when associated with the third fine adjustment mechanism, may be rotated about its own axis such that the third fine adjustment mechanism moves the movable support along a third axis that is perpendicular to the axis of the composite handle.
In some embodiments, the third fine adjustment mechanism comprises a third mounting bracket and a rack; the composite handle comprises a fourth gear; the rack is fixed on the third mounting bracket, and the length direction of the rack is perpendicular to the axis of the composite handle; the third mounting bracket is connected with the second mounting bracket in a sliding manner, and the moving direction of the third mounting bracket relative to the second mounting bracket is parallel to the length direction of the rack; the fourth gear is meshed with the rack when the composite handle is associated with the third fine adjustment mechanism.
In some embodiments, the composite handle, when associated with the fourth fine adjustment mechanism, is rotatable about its own axis such that the fourth fine adjustment mechanism rotates the movable support about a fourth axis that is perpendicular to the axis of the composite handle and perpendicular to the third axis.
In some embodiments, the fourth fine adjustment mechanism comprises a fourth mounting bracket, a third gear, a universal joint, a third lead screw, and a third slider; the fourth mounting bracket is rotationally connected with the third mounting bracket, and the axis of the third mounting bracket relative to the fourth mounting bracket coincides with the fourth axis; the third gear is rotationally connected with the second mounting bracket, the axis of the third gear is parallel to the axis of the composite handle, and the third screw rod is connected with the third gear through the universal joint; the third sliding block is rotationally connected with the fourth mounting bracket, the axis of the third sliding block relative to the fourth mounting bracket is parallel to the fourth axis, and the third sliding block is sleeved on the third screw rod and is in threaded connection with the third screw rod; when the composite handle is associated with the fourth fine adjustment mechanism, the fourth gear is meshed with the third gear.
In some embodiments, the fourth fine adjustment mechanism comprises a fourth mounting bracket, a third slider, a third screw, a third gear, and a locking member; the fourth mounting bracket is rotationally connected with the third mounting bracket, and the axis of the third mounting bracket relative to the fourth mounting bracket coincides with the fourth axis; the locking piece is used for enabling the third sliding block to be kept against the fourth mounting bracket; the third screw rod is rotationally connected with the third mounting bracket, and the axis of the third screw rod is parallel to the axis of the composite handle; the third gear is coaxially fixed on the third screw rod; when the composite handle is associated with the fourth fine adjustment mechanism, the fourth gear is meshed with the third gear.
The technical problems of the embodiment of the invention are solved by adopting the following technical scheme: providing a calibration support, comprising a base, a vertical frame, a cross beam and the mounting assembly; one end of the vertical frame is connected with the base, the cross beam is connected with the vertical frame, and the mounting assembly is connected with the cross beam.
Compared with the prior art, in the mounting assembly and the calibration support provided by the embodiment of the invention, after the fixing support assembly is fixed on the main body part of the calibration support, the operating handle which can move between the first position and the second position is arranged and is associated with the first fine adjustment mechanism when moving to the first position, so that the operating handle can operate the first fine adjustment mechanism, and is associated with the second fine adjustment mechanism when moving to the second position, so that the operating handle can operate the second fine adjustment mechanism. Therefore, the two fine adjustment mechanisms can be operated by only one handle, and the operation process is simple.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
FIG. 1 is a schematic view of a mounting assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of the mounting assembly of FIG. 1 at another angle;
FIG. 3 is an exploded schematic view of the mounting assembly shown in FIG. 1, with the rear side of the movable bracket of the mounting assembly shown;
FIG. 4 is an exploded schematic view of the mounting assembly shown in FIG. 1, with a rear side of a first fine adjustment mechanism of the mounting assembly shown;
FIG. 5 is a schematic view of the movable support and the first fine adjustment mechanism of the mounting assembly shown in FIG. 1;
FIG. 6 is an exploded schematic view of the mounting assembly shown in FIG. 1, with a front side of a first fine adjustment mechanism of the mounting assembly shown;
FIG. 7 is a schematic view of the internal structure of the mounting assembly of FIG. 1, wherein the connection of the first fine adjustment mechanism and the movable bracket of the mounting assembly is shown;
FIGS. 8 and 9 are schematic views of the internal structure of the mounting assembly of FIG. 1, wherein the operating handle of the mounting assembly is associated with a first fine adjustment mechanism;
FIG. 10 is an exploded schematic view of the mounting assembly shown in FIG. 1, with a front side of a second fine adjustment mechanism of the mounting assembly shown;
FIG. 11 is a schematic view of the movable support, the first fine adjustment mechanism and the second fine adjustment mechanism of the mounting assembly shown in FIG. 1;
FIG. 12 is a schematic view of the internal structure of the mounting assembly of FIG. 1, wherein the connection of the first and second trimming mechanisms of the mounting assembly is shown;
FIGS. 13 and 14 are schematic structural views of the mounting assembly of FIG. 1, wherein a handle of the mounting assembly is associated with a second fine adjustment mechanism;
FIG. 15 is a schematic view of the internal structure of the mounting assembly of FIG. 1, with the rear side of a second fine adjustment mechanism of the mounting assembly shown;
Fig. 16 is a partial enlarged view at a shown in fig. 15;
FIGS. 17 and 18 are schematic views of the internal structure of the mounting assembly of FIG. 1, with the operating handle of the mounting assembly shown;
FIG. 19 is an exploded schematic view of the mounting assembly shown in FIG. 1, with a rear side of a second fine adjustment mechanism of the mounting assembly shown;
FIG. 20 is an exploded schematic view of the mounting assembly shown in FIG. 1, with a front side of a third fine adjustment mechanism of the mounting assembly shown;
FIG. 21 is a schematic view of the internal structure of the mounting assembly of FIG. 1, wherein the connection of the second and third fine tuning mechanisms of the mounting assembly is shown;
FIGS. 22 and 23 are schematic views of the internal structure of the mounting assembly of FIG. 1, wherein the composite handle of the mounting assembly is associated with a third fine adjustment mechanism;
FIG. 24 is a schematic view of the internal structure of the mounting assembly shown in FIG. 1, with the front side of a fourth fine adjustment mechanism of the mounting assembly shown;
FIG. 25 is a schematic view of the internal structure of the mounting assembly shown in FIG. 1, with the rear side of a fourth fine adjustment mechanism of the mounting assembly shown;
FIG. 26 is a schematic view of the mounting assembly of FIG. 1, wherein a connection of a third trim mechanism and a fourth trim mechanism of the mounting assembly is shown;
FIGS. 27-30 are schematic internal structural views of the mounting assembly of FIG. 1, wherein the composite handle of the mounting assembly is associated with a fourth fine adjustment mechanism;
fig. 31 and 32 are internal structural schematic views of the mounting assembly of fig. 1, wherein a composite handle of the mounting assembly is shown.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "connected" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "left," "right," "upper," "lower," "top," and "bottom," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a mounting assembly, which includes a movable bracket 1, a first fine adjustment mechanism 2, a second fine adjustment mechanism 3, a control handle 4, and a fixed bracket assembly 5. The movable bracket 1, the first fine tuning mechanism 2, the second fine tuning mechanism 3 and the fixed bracket component 5 are connected in sequence,
The operating handle 4 is movably connected to the first fine adjustment mechanism 2 and is movable along its own axis between a first position and a second position, wherein the operating handle 4 is associated with the first fine adjustment mechanism 2 when moved to the first position so that the operating handle 4 can operate the first fine adjustment mechanism 2, and wherein the operating handle 4 is associated with the second fine adjustment mechanism 3 when moved to the second position so that the operating handle 4 can operate the second fine adjustment mechanism 3.
When the operating handle 4 is associated with the first fine adjustment mechanism 2, the operating handle 4 can rotate around its own axis, so that the first fine adjustment mechanism 2 drives the movable bracket 1 to rotate around the first axis O 1 relative to the fixed bracket assembly 5, and the first axis O 1 is parallel to the axis of the operating handle 4.
When the operating handle 4 is associated with the second fine adjustment mechanism 3, the operating handle 4 can be rotated about its own axis, so that the second fine adjustment mechanism 3 rotates the movable bracket 1 relative to the fixed bracket assembly 5 about the second axis O 2, the second axis O 2 being perpendicular to the axis of the operating handle 4.
Referring to fig. 3, the movable bracket 1 includes a movable mounting plate 10, a first hinge portion 11 disposed on the movable mounting plate 10, and a first hinge support 12.
The first hinge portion 11 and the first hinge base 12 are both disposed on a side of the movable mounting plate 10 adjacent to the first fine adjustment mechanism 2. The first hinge portion 11 is located near the lower end of the movable mounting plate 10, and the axis of the first hinge portion 11 coincides with the first axis O 1.
The first hinge support 12 is adjacent to the upper end of the movable mounting plate 10, and the axis of the first hinge support 12 is parallel to the first axis O 1. The first hinge portion 11 and the first hinge base 12 are both used for rotatably connecting the first fine adjustment mechanism 2.
The other side of the movable mounting plate 10, remote from the first fine adjustment mechanism 2, is used for mounting the calibration element. The calibration element may be used to calibrate a sensor of an advanced driving assistance system (ADVANCED DRIVER ASSISTANCE SYSTEM, ADAS) of the vehicle under test.
Referring to fig. 4 to 6, the first fine adjustment mechanism 2 includes a first mounting bracket 20, a first bevel gear 22, a first screw 23, a slider assembly 24, and a link 25. The first mounting bracket 20 is rotatably connected with the movable bracket 1, and the axis of the movable bracket 1 about the first mounting bracket 20 coincides with the first axis O 1.
The first bevel gear 22 is coaxially fixed to the first screw rod 23, and the first bevel gear 22 is used for being meshed with the operating handle 4 so as to enable the operating handle 4 to be associated with the first fine adjustment mechanism 2. The first screw 23 is rotatably connected to the first mounting bracket 20, and an axis of the first screw 23 is perpendicular to the first axis O 1 and perpendicular to the second axis O 2. The sliding block assembly 24 is slidably connected with the first mounting bracket 20, and the sliding block assembly 24 is sleeved on the periphery of the first screw rod 23 and is in threaded connection with the first screw rod 23. One end of the connecting rod 25 is rotatably connected with the sliding block assembly 24, the axis of the connecting rod 25 relative to the sliding block assembly 24 is parallel to the first axis O 1, the other end of the connecting rod 25 far away from the sliding block assembly 24 is rotatably connected with the movable support 1, and the axis of the connecting rod 25 relative to the first hinge support 12 is coincident with the axis of the first hinge support 12.
The first mounting bracket 20 includes a first mounting plate 200, a first mounting arm 201, a second mounting arm 202, a support plate 203, a first slide rail 204, a first screw mounting plate 205, a second screw mounting plate 206, a handle mounting plate 207, a second hinge 208, and a first pivoting support 209. The first mounting plate 200 is disposed between the movable bracket 1 and the second fine adjustment mechanism 3.
The first mounting arm 201, the second mounting arm 202 and the support plate 203 are all disposed on the upper side of the first mounting plate 200, and the support plate 203 is disposed between the first mounting arm 201 and the second mounting arm 202.
The first screw mounting plate 205 and the second screw mounting plate 206 are disposed on one side of the support plate 203 away from the movable bracket 1, and the second screw mounting plate 206 is disposed on the upper side of the first screw mounting plate 205. The first screw mounting plate 205 is provided with a first screw mounting hole, and the lower end of the first screw 23 is embedded into the first screw mounting hole. The second screw mounting hole 206 is provided with a second screw mounting hole, and the upper end of the first screw 23 passes through the second screw mounting hole and extends to the upper side of the second screw mounting plate 206. The first bevel gear 22 is fitted over a portion of the first screw 23 extending to the upper side of the second screw mounting plate 206.
The first guide rail 204 is fixed on the support plate 203 and is arranged between the first screw rod mounting plate 205 and the second screw rod mounting plate 206, the length direction of the first guide rail 204 is parallel to the axis of the first screw rod 23, and the sliding block assembly 24 is slidably connected with the first guide rail 204 so as to realize sliding connection with the first mounting bracket 20.
The first mounting arm 201 is provided with a first handle mounting hole 2010 penetrating through the first mounting arm 201, the axis of the first handle mounting hole 2010 is coincident with the axis of the operating handle 4, and the first handle mounting hole 2010 is used for mounting the operating handle 4.
The handle mounting plate 207 is connected with the second screw rod mounting plate 206 and is arranged between the first bevel gear 22 and the first mounting arm 201, a second handle mounting hole penetrating through the handle mounting plate 207 is formed in the handle mounting plate 207, the axis of the second handle mounting hole coincides with the axis of the control handle 4, and the second handle mounting hole is used for mounting the control handle 4.
The second hinge portion 208 is disposed on a side of the first mounting plate 200 near the movable bracket 1, an axis of the second hinge portion 208 coincides with the first axis O 1, and the second hinge portion 208 is used for rotationally connecting the movable bracket 1.
The first pivoting support portion 209 is provided on the side of the first mounting plate 200 close to the second fine adjustment mechanism 3. The axis of the first pivoting support 209 coincides with the second axis O 2. The first pivoting support 209 is used for rotationally connecting the second fine adjustment mechanism 3.
The slider assembly 24 includes a first slider 240 and a first guide block 241. The first slider 240 is sleeved on the first screw rod 23, and one end of the connecting rod 25 is rotatably connected with the first slider 240. The first guide block 241 is slidably connected to the first guide rail 204 and is fixed to the first slider 240.
Referring to fig. 7 to 9, the first hinge portion 11 is rotatably connected to the second hinge portion 208, so as to realize the rotatable connection of the movable bracket 1 to the first mounting bracket 20. The other end of the connecting rod 25, which is far away from the sliding block assembly 24, is rotatably connected with the first hinge support 12, so that the other end of the connecting rod 25, which is far away from the sliding block assembly 24, is rotatably connected with the movable support 1.
When the first bevel gear 22 is meshed with the control handle 4 and the control handle 4 rotates around the axis thereof, the control handle 4 drives the first bevel gear 22 to rotate around the axis thereof, the first bevel gear 22 drives the first screw rod 23 to rotate together, the first screw rod 23 drives the sliding block assembly 24 to move along the axis of the first screw rod 23, and the sliding block assembly 24 pushes or pulls the movable support 1 through the connecting rod 25, so that the whole movable support 1 rotates around the first axis O 1.
When the control handle 4 rotates in the direction S 1, the first bevel gear 22 is driven to rotate in the direction V 1, the first bevel gear 22 drives the first screw rod 23 to rotate in the direction V 1, the first screw rod 23 drives the slider assembly 24 to move upwards, and the slider assembly 24 drives the connecting rod 25 to rotate in the direction S 1 so as to push the whole movable bracket 10 to rotate in the direction S 1, as shown in fig. 8; when the control handle 4 rotates in the direction S 2, the first bevel gear 22 is driven to rotate in the direction V 2, the first bevel gear 22 drives the first screw rod 23 to rotate in the direction V 2, the first screw rod 23 drives the slider assembly 24 to move downwards, and the slider assembly 24 drives the connecting rod 25 to rotate in the direction S 2 so as to pull the whole movable support 10 to rotate in the direction S 2, as shown in fig. 9.
Referring to fig. 10 and 11, the second fine adjustment mechanism 3 includes a second mounting bracket 30, a second slider 32, a locking member 33, a second screw 34 and a first gear 35. The second mounting bracket 30 is rotatably connected to the first mounting bracket 20, and the axis of the first mounting bracket 20 about the second mounting bracket 30 coincides with the second axis O 2.
The locking member 33 is connected to the second slider 32 and the second mounting bracket 20 for pressing the second slider 32 and the second mounting bracket 30 together such that the second slider 32 is held against the second mounting bracket 30. The second screw rod 34 is rotatably connected with the first mounting bracket 20, the axis of the second screw rod 34 is parallel to the axis of the control handle 4, and the second sliding block 32 is sleeved on the second screw rod 34 and is in threaded connection with the second screw rod 34. The first gear 35 is coaxially fixed to the second screw 34, and the first gear 35 is used for being meshed with the operating handle 4 so as to enable the operating handle 4 to be associated with the second fine adjustment mechanism 3.
The second mounting bracket 30 includes a second mounting plate 300, a first connecting arm 301, a second connecting arm 302, a second rail 303, and a second pivoting support 304. The second mounting plate 300 is disposed between the first mounting plate 200 and the fixing bracket assembly 5, the second mounting plate 300 is longer, and the length direction of the second mounting plate 300 is perpendicular to the axis of the first screw rod 23. The middle part of the second mounting plate 300 faces the first mounting plate 200, and both ends of the second mounting plate 300 respectively exceed both sides of the first mounting plate 200.
The second pivoting support portion 304 is provided on a side of the second mounting plate 300 close to the first mounting plate 200, and the second pivoting support portion 304 is fixed to a middle portion of the second mounting plate 300.
The first connecting arm 301 and the second connecting arm 302 are disposed on the upper side of the second mounting plate 300, and the first connecting arm 301 is disposed between the first mounting arm 201 and the support plate 203. The locking member 33 connects the first connecting arm 301 and the second slider 32, and is used for pressing the second slider 32 and the first connecting arm 301 together, so that the second slider 32 keeps abutting the first connecting arm 301.
The first mounting arm 201 is provided with a screw rod mounting hole, one end of the second screw rod 34 is embedded into the screw rod mounting hole to realize rotating connection with the first mounting bracket 20, the second slider 32 is sleeved on the other end, far away from the first mounting arm 201, of the second screw rod 34, and the first gear 35 is sleeved on the middle part of the second screw rod 34.
The second connecting arm 302 is disposed between the second mounting arm 202 and the support plate 203.
The second guide rail 303 is fixed to one side of the second mounting plate 300 near the fixed bracket assembly 5, the length direction of the second guide rail 303 is parallel to the length direction of the second mounting plate 300, and the second guide rail 303 is used for slidably connecting the fixed bracket assembly 5.
Referring to fig. 12 and 14, the second pivoting support portion 304 is sleeved on the first pivoting support portion 209, so as to realize the rotational connection of the second mounting bracket 30 to the first mounting bracket 20.
The first fine adjustment mechanism 2 further comprises a damper 27. The damper 27 and the second slewing bearing 31 are disposed on the same side of the first mounting plate 200, and the damper 27 is configured to provide rotational damping when the movable bracket 1 rotates around the second axis O 2, so as to provide a damping effect when the movable bracket 1 rotates around the second axis O 2, so as to facilitate accurate adjustment of the angle of the movable bracket 1.
The damper 27 includes a pressing plate 270, a damping elastic member 271, an elastic member mounting block 272, and a friction plate. The pressure plate 270 is rotatably coupled to the first mounting plate 200, and the pressure plate 270 is parallel to the second axis O 2 about the axis of the first mounting plate 200. The friction plate is disposed on one side of the pressing plate 270 near the second pivoting support 304, and the friction plate is used to abut against the outer circumferential surface of the second pivoting support 304.
The elastic mounting block 272 is fixed to the first mounting plate 200 and is provided on a side of the pressing plate 270 away from the second pivoting support portion 304. The damping elastic member 271 is disposed between the elastic member mounting block 272 and the pressing plate 270 for providing an elastic force pressing the pressing plate 270 against the second pivoting support 304.
When the first gear 35 is meshed with the operating handle 4, and the operating handle 4 rotates around its own axis, the operating handle 4 drives the first gear 35 to rotate around its own axis, the first gear 35 drives the second screw rod 34 to rotate around its own axis, and the second screw rod 34 moves along its own axis to push the whole movable bracket 1 and the first fine adjustment mechanism 2, so that the movable bracket 1 and the first fine adjustment mechanism 2 rotate around the second axis O 2 relative to the second mounting bracket 30, because the locking piece 33 locks the second slider 32 and the second mounting bracket 30 together.
When the operating handle 4 rotates in the direction S 1, the first gear 35 is driven to rotate in the direction S 2, the first gear 35 drives the second screw 34 to rotate in the direction S 2, and the second screw 34 moves in the direction away from the second slider 32 to push the whole movable bracket 1 and the first fine adjustment mechanism 2 to rotate in the direction T 1, as shown in fig. 13; when the operating handle 4 rotates in the direction S 2, the first gear 35 is driven to rotate in the direction S 1, the first gear 35 drives the second screw 34 to rotate in the direction S 1, and the second screw 34 moves in the direction close to the second slider 32, so as to push the whole movable bracket 1 and the first fine adjustment mechanism 2 to rotate in the direction T 2, as shown in fig. 14.
Referring to fig. 15 and 16, the first connecting arm 301 is provided with a first connecting hole 3010 and a second connecting hole 3011 penetrating the first connecting arm, and the second connecting hole 3011 is disposed above the first connecting hole 3010.
The second slider 32 is provided with a waist hole 320 extending therethrough. The length direction of the waist hole 320 is parallel to the axis of the first screw 23. The lower end of the waist hole 320 is adjacent to the first connection hole 3010, and the upper end of the waist hole 320 is adjacent to the second connection hole 3011.
Retaining member 33 includes a first threaded fastener 330 and a second threaded fastener 331. The first screw fastener 330 penetrates the lower ends of the first mounting hole 3010 and the waist hole 320, and the second screw fastener 331 penetrates the upper ends of the second mounting hole 3011 and the waist hole 320. The first threaded fastener 330 and the second threaded fastener 331 cooperate to compress the second slider 32 and the first connecting arm 301 together. When the movable bracket 1 and the first fine adjustment mechanism 2 rotate around the second axis O 2 relative to the second mounting bracket 30, the second slider 32 and the second screw rod 34 also rotate together, and by providing the waist hole 320, when the second slider 32 rotates relative to the second mounting bracket 30, the first threaded fastener 330 and the second threaded fastener 331 can move along the length direction of the waist hole 320, so that the first connecting arm 301 can keep abutting against the second slider 32 under the condition that the second slider 32 is tilted.
The first and second threaded fasteners 330, 331 each include a bolt 3300 and a nut 3301. The bolt 3300 is screwed with the nut 3301, and presses the first connecting arm 301 and the second slider 32 together.
It will be appreciated that the nut 3301 may be omitted according to actual needs, and at this time, the first connecting hole 3010 and the second connecting hole 3011 are both screw holes, and the bolt 3300 is screwed with the screw holes to compress the first connecting arm 301 and the slider 32 together.
The head of the bolt 3300 is provided on the side of the first connecting arm 301 away from the second slider 32, and the nut 3301 is provided on the side of the second slider 32 away from the first connecting arm 301.
It will be appreciated that the position of the head of the bolt 3300 may be interchanged with the position of the nut 3301, as desired.
The first and second threaded fasteners 330, 331 may each include a washer 3302. The washer 3302 is disposed between the nut 3301 and the second slider 32.
It will be appreciated that the spacer 3302 may also be disposed between the head of the bolt 3300 and the first connecting arm 301, as desired.
The spacer 3302 may be a spring spacer. The spring washer can provide the pretightning force for be difficult for relative rotation between bolt 3300 and the nut 3301, in addition, the spring washer can compress when second slider 32 perk, restores when second slider 32 is laminated with first linking arm 301 mutually, can provide the space of second slider 32 perk.
The first threaded fastener 330 and the second threaded fastener 331 can each include a sliding sleeve 3303. The sliding sleeve 3303 is sleeved on the portion, extending into the waist hole 320, of the bolt 3300, the outer surface of the sliding sleeve 3303 is smooth, friction between the sliding sleeve 3303 and the inner wall of the waist hole 320 is small, and the sliding sleeve is beneficial to moving the first threaded fastener 330 and the second threaded fastener 331 along the length direction of the waist hole 320.
Referring to fig. 17 and 18, the manipulating handle 4 includes a first knob 40, a first connecting rod 41, a second bevel gear 42 and a second gear 43. The axis of the first connecting rod 41 coincides with the axis of the operating handle 4, and the first connecting rod 41 penetrates through the first handle mounting hole 2010 and the second handle mounting hole to realize the movable connection of the operating handle 4 to the first mounting bracket 20.
One end of the first connecting rod 41 extends to a side of the first mounting arm 201 remote from the handle mounting plate 207. The first knob 40 is disposed on a side of the first mounting arm 201 away from the handle mounting plate 207 and is coaxially fixed to one end of the first connecting rod 41. The other end of the first connecting rod 41 remote from the first knob 40 extends to the side of the handle mounting plate 207 remote from the first mounting arm 201. The second bevel gear 42 is provided on a side of the handle mount 207 remote from the first mount arm 201 and is coaxially fixed to the other end of the connecting rod 41.
The second gear 43 is coaxially fixed to the first connecting rod 41 at a position between the first mounting arm 201 and the handle mounting plate 207. The second bevel gear 42 is for meshing with the first bevel gear 22 to enable the handlebar 4 to be associated with the first fine adjustment mechanism 2, and the second gear 43 is for meshing with the first gear 35 to enable the handlebar 4 to be associated with the second fine adjustment mechanism 3.
When the steering handle 4 is moved to the first position, the second bevel gear 42 is meshed with the first bevel gear 22, and the second gear 43 is separated from the first gear 35, so that the steering handle 4 is associated with the first fine adjustment mechanism 2, as shown in fig. 17; when the operating handle 4 is moved to the second position, the second gear 43 meshes with the first gear 35, and the second bevel gear 42 is separated from the first bevel gear 22 to enable the operating handle 4 to be associated with the second fine adjustment mechanism 3, as shown in fig. 18.
A first clamping groove 2011 and a second clamping groove 2012 are formed on the inner wall of the first handle mounting hole 2010. The first clamping groove 2011 is close to the second bevel gear 42, and the second clamping groove 2012 is far away from the second bevel gear 42.
The operating handle 4 further includes a first catch 44. The first engaging portion 44 is provided on the outer periphery of the portion of the first connecting rod 41 that is received in the first handle mounting hole 2010.
When the handle 4 moves to the first position, the first engaging portion 44 engages with the first engaging groove 2011, as shown in fig. 17; when the handle 4 is moved to the second position, the first engaging portion 44 engages with the second engaging groove 2012, as shown in fig. 18.
The first clamping groove 2011, the second clamping groove 2012 and the first clamping portion 44 are all in annular structures and all encircle the first connecting rod 41.
The outer peripheral surface of the first connecting rod 41 is provided with a first annular mounting groove, the first annular mounting groove surrounds the first connecting rod 41, and the first clamping part 44 is sleeved at the first annular mounting groove.
By providing the first engaging groove 2011, the second engaging groove 2012, and the first engaging portion 44, the user can be reminded that the lever 4 has moved to the first position or the second position by providing the lever 4 with a click feeling when the lever is moved to the first position or the second position.
Referring to fig. 19 and 20, the fixed bracket assembly 5 includes a third fine adjustment mechanism 50, a fourth fine adjustment mechanism 51, and a composite handle 52. The second fine adjustment mechanism 3, the third fine adjustment mechanism 50 and the fourth fine adjustment mechanism 51 are connected in this order. The composite handle 52 is movably connected to the second mounting bracket 30, the composite handle 52 being movable along its axis between a third position and a fourth position, wherein the composite handle 52 is associated with the third fine adjustment mechanism 50 when moved to the third position to enable the composite handle 52 to operate the third fine adjustment mechanism 50, and wherein the composite handle 52 is associated with the fourth fine adjustment mechanism 51 when moved to the fourth position to enable the composite handle 52 to operate the fourth fine adjustment mechanism 51.
When the composite handle 52 is associated with the third fine adjustment mechanism 50, the composite handle can rotate around its own axis, so that the third fine adjustment mechanism 50 drives the movable support 1 to move along the third axis O 3, the third axis O 3 is perpendicular to the axis of the composite handle 52, and the axis of the composite handle 52 is parallel to the second axis O 2.
When the composite handle 52 is associated with the fourth fine adjustment mechanism 51, the composite handle 52 may rotate about its own axis, such that the fourth fine adjustment mechanism 51 rotates the movable bracket 1 about the fourth axis O 4, the fourth axis O 4 is perpendicular to the axis of the composite handle 52, and perpendicular to the third axis O 3.
The third fine adjustment mechanism 50 includes a third mounting bracket 500 and a rack 501. The third mounting bracket 500 is slidably connected to the second mounting bracket 30, and the sliding direction coincides with the third axis O 3. The rack 501 is provided at a side of the third mounting bracket 500 near the second mounting bracket 30. The length of the rack 501 is parallel to the third axis O 3. The rack 501 is configured to engage the composite handle 52 to enable the composite handle 52 to be associated with the third fine adjustment mechanism 50.
The third mounting bracket 500 includes a third mounting plate 5000, a top plate 5001, a bottom plate 5002, and a second guide block 5003. The top plate 5001 is disposed above the bottom plate 5002, the third mounting plate 5000 is disposed between the top plate 5001 and the bottom plate 5002, and the cross sections of the top plate 5001, the bottom plate 5002 and the third mounting plate 5000 are in an "I" shape. The dimensions of the third mounting plate 5000 are substantially identical to the dimensions of the second mounting plate 300.
The rack 501 and the second guide block 5003 are disposed on a side of the third mounting plate 5000 near the second mounting plate 300. The rack 501 is fixed to the top plate 5001, and the second guide block 5003 is fixed to the third mounting plate 5000.
Referring to fig. 21 and 23, the second guide block 5003 is slidably connected to the second guide rail 303 to realize sliding connection of the third mounting bracket 500 to the second mounting bracket 30.
When the rack 501 is meshed with the composite handle 52 and the composite handle 52 rotates around its own axis, the rack 501 is fixed to the third mounting bracket 500, and the composite handle 52 moves along the third axis O 3 and drives the movable bracket 1, the first fine adjustment mechanism 2 and the second fine adjustment mechanism 3 to move along the third axis O 3 together with respect to the third mounting bracket 500.
When the composite handle 52 rotates in the direction T 1, the composite handle 52 moves toward the side of the first mounting bracket 20 where the control handle 4 is not disposed, and drives the movable bracket 1, the first fine adjustment mechanism 2 and the second fine adjustment mechanism 3 to move together toward the side of the first mounting bracket 20 where the control handle 4 is not disposed, as shown in fig. 22; when the composite handle 52 rotates in the direction T 2, the composite handle 52 moves toward the side of the first mounting bracket 20 where the operating handle 4 is provided, and drives the movable bracket 1 and the first fine adjustment mechanism 2-stage second fine adjustment mechanism 3 to move toward the side of the first mounting bracket 20 where the operating handle 4 is provided, as shown in fig. 23.
Referring to fig. 24 and 25, the fourth fine adjustment mechanism 51 includes a fourth mounting bracket 510, a third gear 511, a universal joint 512, a third screw 513 and a third slider 514. The fourth mounting bracket 510 is rotatably connected to the third mounting bracket 500, and the axis of the third mounting bracket 500 with respect to the fourth mounting bracket 510 coincides with the fourth axis O 4.
The third gear 511 is rotatably connected to the second mounting bracket 30, and the axis of the third gear 511 is parallel to the axis of the composite handle 52. One end of the third screw 513 is connected to the third gear 511 through a universal joint 512. The third slider 514 is rotatably connected to the fourth mounting bracket 510, the axis of the third slider 514 about the fourth mounting bracket 510 is parallel to the fourth axis O 4, and the third slider 514 is sleeved on the other end of the third screw rod 513 away from the third gear 511 and is in threaded connection with the third screw rod 513. The third gear 511 is adapted to engage with a compound handle 52 to effect that the manipulation handle 52 is associated with a fourth fine adjustment mechanism 51.
The fourth mounting bracket 510 includes a fourth mounting plate 5100, a rotation shaft 5101, and a second hinge support 5102. The dimensions of the fourth mounting plate 5100 are substantially identical to those of the third mounting plate 5000, and a side of the fourth mounting plate 5100 remote from the third mounting plate 5000 is used to secure a body portion of the calibration stand. The rotation shaft 5101 is fixed to a side of the fourth mounting plate 5100 near the third mounting plate 5000, an axis of the rotation shaft 5101 coincides with the fourth axis O 4, and the rotation shaft 5101 is used for rotatably connecting the third mounting bracket 500. The second hinge support 5102 is fixed to a side of the fourth mounting plate 5100 near the third mounting plate 5000, an axis of the second hinge support 5102 is parallel to the fourth axis O 4, and the third slider 514 is rotatably connected to the second hinge support 5102, so that the third slider 514 is rotatably connected to the fourth mounting bracket 510.
Referring to fig. 26 to 30, the upper end of the rotation shaft 5101 is embedded in the top plate 5001, and the lower end of the rotation shaft 5101 is embedded in the bottom plate 5002, so as to realize the rotation connection of the third mounting bracket 500 with the fourth mounting bracket 510.
When the third gear 511 is meshed with the composite handle 52 and the composite handle 52 rotates around its own axis, the composite handle 52 drives the third gear 511 to rotate around its own axis, the third gear 511 drives the third screw 513 to rotate together through the universal joint 512, and the third slider 514 rotates to connect the fourth mounting bracket 510, and the third screw 513 moves along its own axis to push and pull the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 through the universal joint and the third gear, so that the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 rotate around the fourth axis relative to the fourth mounting bracket 510.
When the third fine adjustment mechanism 50 rotates around the fourth axis O 4 relative to the fourth mounting bracket 510, the angle between the third fine adjustment mechanism 50 and the fourth mounting bracket 510 changes, and the position between the third link 513 and the third slider 514 also changes, and the third slider 514 is rotationally connected with the fourth mounting bracket 510 through the universal joint 512 provided between the third screw 513 and the third gear 511, so that the angles of the third screw 513 and the third slider 514 can be correspondingly adjusted, the angle between the axis of the third screw 513 and the third slider 514 remains unchanged, and the whole fourth fine adjustment mechanism 51 cannot be locked.
The universal joint 512 may be a fisheye rod end joint bearing.
When the composite handle 52 rotates in the direction T 1, the third gear 511 is driven to rotate in the direction T 2, the third gear 511 drives the third screw rod 513 to rotate in the direction T 2 through the universal joint 512, the third screw rod 513 moves in the direction close to the fourth mounting bracket 510, and the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 are pulled through the universal joint 512 and the third gear 511, so that the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 rotate in the direction N 1, as shown in fig. 27 and 28; when the composite handle 52 rotates towards the direction T 2, the third gear 511 is driven to rotate towards the direction T 1, the third gear 511 drives the third screw rod 513 to rotate towards the direction T 1 through the universal joint 512, the third screw rod moves towards a direction away from the fourth mounting bracket 510, and the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 are pushed by the universal joint 512 and the third gear 511, so that the movable bracket 1, the first fine adjustment mechanism 2, the second fine adjustment mechanism 3 and the third fine adjustment mechanism 50 rotate towards the direction N 2, as shown in fig. 29 and 30.
Referring to fig. 31 and 32, the second mounting plate 300 is provided with a handle connecting hole 3000 penetrating therethrough, and the handle connecting hole 3000 is used for mounting the composite handle 52.
The compound handle 52 includes a second knob 520, a second connecting rod 521, and a fourth gear 522. The axis of the second connecting rod 521 coincides with the axis of the composite handle 52, and the second connecting rod 521 passes through the handle connecting hole 3000 to realize the movable connection of the composite handle with the second mounting bracket 30.
One end of the second connection rod 521 extends to a side of the second mounting plate 300 remote from the third mounting plate 5000 and coaxially fixes the second knob 520, and the other end of the second connection rod 521 extends between the second mounting plate 300 and the third mounting plate 5000 and coaxially fixes the fourth gear 522. The fourth gear 522 is configured to engage with the rack 501 or the third gear 511 to enable the compound handle 52 to be associated with the third fine adjustment mechanism 50 or the fourth fine adjustment mechanism 51.
When the composite handle 52 is moved to the third position, the fourth gear 522 is meshed with the rack 501 and separated from the third gear 511 to enable the composite handle 52 to be associated with the third fine adjustment mechanism 50, as shown in fig. 31; when the composite handle 52 is moved to the fourth position, the fourth gear 522 is meshed with the third gear 511 and separated from the rack 501 to enable the composite handle 52 to be associated with the fourth fine adjustment mechanism 51, as shown in fig. 32.
The inner wall of the handle connecting hole 3000 is provided with a third clamping groove 3001 and a fourth clamping groove 3002. The third clamping groove 3001 is far away from the fourth gear 522, and the fourth clamping groove 3002 is near the fourth gear 522.
The composite handle 52 further includes a second catch 523. The second engaging portion 523 is provided protruding from the outer periphery of the portion of the second connecting rod 521 that is received in the handle connecting hole 300.
When the composite handle 52 moves to the third position, the second engaging portion 523 engages with the fourth engaging groove 3001, as shown in fig. 31; when the composite handle 52 moves to the fourth position, the second engaging portion 523 engages with the fourth engaging groove 3002, as shown in fig. 32. The second clamping portion 523 has a certain elasticity, and may be made of a material having a certain elasticity, for example, rubber, silica gel, or plastic.
The third clamping groove 3001, the fourth clamping groove 3002 and the second clamping portion 523 are all in annular structures and all encircle the second connecting rod 521.
The second annular mounting groove is formed in the outer peripheral surface of the second connecting rod 521, the second annular mounting groove surrounds the second connecting rod 521, and the second clamping part 523 is sleeved at the second annular mounting groove.
By providing the third engaging groove 3001, the fourth engaging groove 3002, and the second engaging portion 523, the user can be alerted that the composite handle 52 has moved to the third position or the fourth position by providing a click feeling when the composite handle 52 moves to the third position or the fourth position.
It will be appreciated that, according to practical needs, the operation of the second micro-adjustment mechanism may be replaced by the operation of the fourth micro-adjustment mechanism, since the operation of the second micro-adjustment mechanism is substantially the same as the operation of the fourth micro-adjustment mechanism. Specifically, in some other embodiments, the second fine adjustment mechanism includes a second mounting bracket, a first gear, a universal joint, a second screw, and a second slider. The second mounting bracket is rotationally connected with the first mounting bracket, and the axis of the first mounting bracket relative to the second mounting bracket coincides with the second axis. The first gear is rotationally connected with the first mounting bracket, and the axis of the first gear is parallel to the axis of the control handle. The second lead screw is connected with the first gear through the universal joint, the second slider is rotationally connected with the second mounting bracket, the axis of the second slider relative to the second mounting bracket is parallel to the second axis, and the second slider is sleeved on the second lead screw and is in threaded connection with the second lead screw. When the control handle moves to a second position along the axis, the second gear is meshed with the first gear, the control handle drives the first gear to rotate when rotating around the axis, the first gear drives the second screw rod to rotate through the universal joint, and the second screw rod moves along the axis due to the fact that the second slider is rotationally connected with the second mounting support, and the movable support and the first fine adjustment mechanism are pushed and pulled through the universal joint and the first gear so that the movable support and the first fine adjustment mechanism rotate around the second axis.
Similarly, the operation mode of the fourth fine adjustment mechanism may be replaced by the operation mode of the second fine adjustment mechanism. Specifically, the fourth fine adjustment mechanism comprises a fourth mounting bracket, a third sliding block, a third screw rod, a third gear and a locking piece. The fourth mounting bracket is rotationally connected with the third mounting bracket, and the axis of the third mounting bracket relative to the fourth mounting bracket coincides with the fourth axis. The locking piece is connected with the fourth mounting bracket and the third sliding block, and the locking piece is used for pressing the third sliding block and the fourth mounting bracket together so that the third sliding block is kept against the fourth mounting bracket. The third screw rod is rotationally connected with the third mounting bracket, and the axis of the third screw rod is parallel to the axis of the composite handle. The third gear is coaxially fixed on the third screw rod. When the composite handle moves to a fourth position along the axis of the composite handle, the fourth gear is meshed with the third gear, the composite handle drives the third gear to rotate when rotating around the axis of the composite handle, the third gear drives the third screw rod to rotate through the universal joint, and the screw rod moves along the axis of the composite handle due to the fact that the third sliding block abuts against the fourth mounting support, so that the movable support, the first fine adjustment mechanism, the second fine adjustment mechanism and the third fine adjustment mechanism are pushed and pulled to rotate around the fourth axis.
The invention further provides a calibration support, which comprises a base, a vertical frame, a cross beam and the mounting assembly provided by the embodiments. One end of the vertical frame is connected with the base, the cross beam is connected with the vertical frame, and the mounting assembly is connected with the cross beam.
Compared with the prior art, in the mounting assembly and the calibration support provided by the embodiment of the invention, after the fixing support assembly is fixed on the main body part of the calibration support, the operation handle which can move between the first position and the second position is arranged and is associated with the first fine adjustment mechanism when moving to the first position, so that the operation handle can operate the first fine adjustment mechanism, and is associated with the second fine adjustment mechanism when moving to the second position, so that the operation handle can operate the second fine adjustment mechanism, therefore, two fine adjustment mechanisms can be operated only by one handle, and the operation process is simpler.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; while the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (11)

1. The mounting assembly is characterized by comprising a movable bracket, a first fine adjustment mechanism, a second fine adjustment mechanism, a control handle and a fixed bracket assembly; the movable support, the first fine adjustment mechanism, the second fine adjustment mechanism and the fixed support component are sequentially connected, the control handle is movably connected with the second fine adjustment mechanism and can move between a first position and a second position along the axis of the control handle, wherein the control handle is associated with the first fine adjustment mechanism when moving to the first position, and the control handle is associated with the second fine adjustment mechanism when moving to the second position; the movable support is used for mounting the calibration element;
the control handle can rotate around the axis of the control handle when being associated with the second fine adjustment mechanism, so that the second fine adjustment mechanism drives the movable bracket to rotate around a second axis, and the second axis is perpendicular to the axis of the control handle;
the first fine adjustment mechanism comprises a first mounting bracket;
The second fine adjustment mechanism comprises a second mounting bracket, a second sliding block, a locking piece and a second screw rod; the second mounting bracket is rotationally connected with the first mounting bracket, and the axis of the first mounting bracket relative to the second mounting bracket coincides with the second axis; the locking piece is used for enabling the second sliding block to be kept against the second mounting bracket; the second screw rod is rotationally connected with the first fine adjustment mechanism, and the axis of the second screw rod is parallel to the axis of the control handle; the second sliding block is sleeved on the second screw rod and is in threaded connection with the second screw rod; the steering handle is associated with the second fine adjustment mechanism and the second screw rotates when rotating around the self axis;
The locking piece comprises a first threaded fastener and a second threaded fastener; the second mounting bracket is provided with a first mounting hole and a second mounting hole; a waist hole is formed in the second sliding block, and the length direction of the waist hole is perpendicular to the second axis and the axis of the control handle; the first threaded fastener penetrates through one end of the first mounting hole and one end of the waist hole, and the second threaded fastener penetrates through the second mounting hole and the other end of the waist hole; the first threaded fastener and the second threaded fastener jointly compress the second mounting bracket and the second sliding block together;
The first threaded fastener and the second threaded fastener respectively comprise a bolt, a nut and an elastic gasket, the bolt and the nut are in threaded connection so as to compress the second mounting bracket and the second sliding block together, and the elastic gasket is arranged between the nut and the second sliding block;
The fixed support assembly comprises a third fine adjustment mechanism, a fourth fine adjustment mechanism and a composite handle; the second fine tuning mechanism, the third fine tuning mechanism and the fourth fine tuning mechanism are sequentially connected; the compound handle is movably connected with the second fine adjustment mechanism and can move between a third position and a fourth position along the axis of the compound handle, wherein the compound handle is associated with the third fine adjustment mechanism when moving to the third position, and the compound handle is associated with the fourth fine adjustment mechanism when moving to the fourth position;
The composite handle can rotate around the axis of the composite handle when being associated with the third fine adjustment mechanism, so that the third fine adjustment mechanism drives the movable support to move along a third axis, and the third axis is perpendicular to the axis of the composite handle;
The composite handle, when associated with the fourth fine adjustment mechanism, may rotate about its own axis such that the fourth fine adjustment mechanism drives the movable support to rotate about a fourth axis that is perpendicular to the axis of the composite handle and perpendicular to the third axis.
2. A mounting assembly according to claim 1, wherein the steering handle is rotatable about its own axis when associated with the first fine adjustment mechanism such that the first fine adjustment mechanism rotates the movable bracket about a first axis which is parallel to the axis of the steering handle.
3. The mounting assembly of claim 2, wherein the first fine adjustment mechanism further comprises a combination slider and link; the first mounting bracket is rotationally connected with the movable bracket, and the axis of the movable bracket relative to the first mounting bracket coincides with the first axis; the combined sliding block is connected with the first mounting bracket in a sliding manner; one end of the connecting rod is rotationally connected with the combined sliding block, the axis of the connecting rod relative to the combined sliding block is parallel to the first axis, the other end of the connecting rod is rotationally connected with the movable support, and the axis of the connecting rod relative to the movable support is parallel to the first axis; the operating handle is associated with the first fine adjustment mechanism and, when rotated about its own axis, the combined slide moves in a direction perpendicular to the first axis.
4. A mounting assembly according to claim 3, wherein the first fine adjustment mechanism further comprises a first screw; the first screw rod is rotationally connected with the first mounting bracket, the axis of the first screw rod is parallel to the moving direction of the sliding block, and the combined sliding block is sleeved on the first screw rod and is in threaded connection with the first screw rod; the operating handle is associated with the first fine adjustment mechanism and, when rotated about its own axis, the first screw rotates.
5. The mounting assembly of claim 4, wherein the first fine adjustment mechanism further comprises a first bevel gear and the lever comprises a second bevel gear; the first bevel gear is coaxially fixed on the first screw rod; the steering handle, when associated with the first fine adjustment mechanism, the first bevel gear meshes with the second bevel gear.
6. The mounting assembly of claim 1, wherein the first threaded fastener and the second threaded fastener each comprise a bolt and a runner; the sliding sleeve is sleeved on the portion of the bolt extending into the waist hole.
7. The mounting assembly of claim 1, wherein the second fine adjustment mechanism further comprises a first gear; the control handle comprises a second gear; the first gear is coaxially fixed on the second screw rod; the second gear meshes with the first gear when the operating handle is associated with the second fine adjustment mechanism.
8. The mounting assembly of claim 1, wherein the third fine adjustment mechanism comprises a third mounting bracket and a rack; the composite handle comprises a fourth gear; the rack is fixed on the third mounting bracket, and the length direction of the rack is perpendicular to the axis of the composite handle; the third mounting bracket is connected with the second mounting bracket in a sliding manner, and the moving direction of the third mounting bracket relative to the second mounting bracket is parallel to the length direction of the rack; the fourth gear is meshed with the rack when the composite handle is associated with the third fine adjustment mechanism.
9. The mounting assembly of claim 8, wherein the fourth fine adjustment mechanism comprises a fourth mounting bracket, a third gear, a universal joint, a third lead screw, and a third slider; the fourth mounting bracket is rotationally connected with the third mounting bracket, and the axis of the third mounting bracket relative to the fourth mounting bracket coincides with the fourth axis; the third gear is rotationally connected with the second mounting bracket, the axis of the third gear is parallel to the axis of the composite handle, and the third screw rod is connected with the third gear through the universal joint; the third sliding block is rotationally connected with the fourth mounting bracket, the axis of the third sliding block relative to the fourth mounting bracket is parallel to the fourth axis, and the third sliding block is sleeved on the third screw rod and is in threaded connection with the third screw rod; when the composite handle is associated with the fourth fine adjustment mechanism, the fourth gear is meshed with the third gear.
10. The mounting assembly of claim 8, wherein the fourth fine adjustment mechanism comprises a fourth mounting bracket, a third slider, a third screw, a third gear, and a locking member; the fourth mounting bracket is rotationally connected with the third mounting bracket, and the axis of the third mounting bracket relative to the fourth mounting bracket coincides with the fourth axis; the locking piece is used for enabling the third sliding block to be kept against the fourth mounting bracket; the third screw rod is rotationally connected with the third mounting bracket, and the axis of the third screw rod is parallel to the axis of the composite handle; the third gear is coaxially fixed on the third screw rod; when the composite handle is associated with the fourth fine adjustment mechanism, the fourth gear is meshed with the third gear.
11. A calibration stand comprising a base, a riser, a cross beam and a mounting assembly according to any one of claims 1 to 10; one end of the vertical frame is connected with the base, the cross beam is connected with the vertical frame, and the mounting assembly is connected with the cross beam.
CN202210375084.1A 2022-04-11 2022-04-11 Mounting assembly and calibration support Active CN114858198B (en)

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