CN113357519B - Multifunctional high-speed camera suspension device for collision test - Google Patents
Multifunctional high-speed camera suspension device for collision test Download PDFInfo
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- CN113357519B CN113357519B CN202110738972.0A CN202110738972A CN113357519B CN 113357519 B CN113357519 B CN 113357519B CN 202110738972 A CN202110738972 A CN 202110738972A CN 113357519 B CN113357519 B CN 113357519B
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- 239000000725 suspension Substances 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000009863 impact test Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention relates to the technical field of vehicle crash tests, and particularly discloses a multifunctional high-speed camera suspension device for a crash test, which comprises a first motor, a second motor, a vertical adjusting mechanism, an overhead frame, a horizontal rotation adjusting mechanism and a camera frame, wherein the first motor is matched with a screw rod to realize horizontal and transverse movement of the camera frame; the height of the camera frame is adjusted by the cooperation of the second motor and the steel wire ring and the characteristic that the three-stage suspension column can stretch and retract; the inner ring and the outer ring are respectively fixed on the inner ring side wall and the outer ring side wall of the bearing, the camera frame is horizontally rotated relative to the three-stage suspension column, the shooting angle of a camera on the camera frame is also adjusted, the scheme can be adopted to ensure that the impact test cannot influence the camera, and the shooting angle and the position of the camera can be adjusted.
Description
Technical Field
The invention relates to the technical field of vehicle crash tests, in particular to a multifunctional high-speed camera suspension device for a crash test.
Background
With the continuous increase of the automobile holding capacity, automobile road traffic accidents become a problem which is full of attention, so that the requirement of people on the passive safety of automobiles is higher and higher. In the event of a car collision, the car collision is classified according to the type of the accident, including a frontal collision, a side collision, a rear-end collision, a rolling collision, and the like, and therefore, it is very important to research on improvement of car collision safety. The improvement of the collision safety of the whole automobile has important significance for reducing the damage of passengers in accidents, in order to meet the requirements of different regulations in the field of automobile collision tests on high-speed camera shooting of the collision tests, high-speed camera shooting is used for analyzing and judging, the safety performance of the whole automobile and a restraint system is analyzed by shooting the collision motion state of the automobile body, the collision angle position, the deformation and damage condition of the automobile body and the motion form of a dummy in the automobile and combining high-speed camera shooting analysis software and the damage index of the dummy, and powerful support is provided for the improvement of the safety of the whole automobile.
Based on this prior art, a camera fixing device applied to an automobile crash test is disclosed, the camera fixing device includes a U-shaped fixing member, a connecting member, a first adjusting structure, a U-shaped camera mounting member, and a second adjusting structure, the bottom of the connecting member is inserted into the fixing member, the connecting member is hinged to the fixing member through the first adjusting structure, the connecting member can rotate around a hinge point relative to the fixing member and is fixed at a certain position, one side of the connecting member is inserted into the camera mounting member, the camera mounting member is hinged to the connecting member through the second adjusting structure, and the camera mounting member can rotate around the hinge point relative to the connecting member and is fixed at a certain position. Above-mentioned camera fixing device can carry out the diversified regulation of multi-angle, and its adaptability is stronger, and simple structure, convenient operation.
Above-mentioned case can carry out the diversified regulation of multi-angle, and its adaptability is stronger, and simple structure, convenient operation, but current camera fixing device all fixes on the collision test car, and this just makes the camera will regard as the part of collision test car to carry out bump test, and in the collision process, the camera inevitably can lead to the camera lens to appear shaking because of the reason of collision, and the collection of carrying out data that can not be fine for the data of gathering are accurate inadequately.
Based on this, a multifunctional high-speed camera suspension device for a collision test is needed, which can ensure that the collision test does not affect the camera and can adjust the shooting angle and position of the camera.
Disclosure of Invention
The invention aims to provide a multifunctional high-speed camera suspension device for a collision test, which can ensure that the collision test does not influence a camera and can adjust the shooting angle and the position of the camera.
In order to achieve the aim, the technical scheme of the invention provides a multifunctional high-speed camera suspension device for a collision test, which comprises an overhead frame, a camera frame, a horizontal adjusting mechanism, a vertical adjusting mechanism and a multi-angle adjusting mechanism, wherein the overhead frame is provided with a vertical adjusting mechanism;
a horizontal adjusting mechanism is arranged on the elevated frame, the horizontal adjusting mechanism is connected with the vertical adjusting mechanism through a first sliding plate, the vertical adjusting mechanism is fixedly connected with the camera frame, and a multi-angle adjusting mechanism is arranged on the camera;
the multi-angle adjustment device comprises a first adjusting mechanism, a second adjusting mechanism, a third adjusting mechanism, a first fixing plate, a second fixing plate and an installation base; the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism respectively comprise a rotating handle, a rotating ring and a rotating base; the rotating ring is provided with an opening part, the left side and the right side of the opening part are fixedly connected with fixing parts, threaded holes are formed in the fixing parts, the rotating handle is in threaded connection with the fixing parts, and the rotating ring is sleeved on the side wall of the whole body of the rotating base; the side wall of the rotating ring of the first adjusting mechanism is fixedly connected with one side of the first fixing plate, and the other side of the first fixing plate is fixedly connected with the rotating base of the second adjusting mechanism; the side wall of the rotating ring of the second adjusting mechanism is fixedly connected with one side of the second fixing plate, and the other side of the second fixing plate is fixedly connected with the rotating base of the third adjusting mechanism; the fixing part of the third adjusting mechanism is fixedly connected with the mounting base, and the camera is fixedly connected to the mounting base.
The technical principle of the scheme is as follows: the elevated frame is used for fixing the whole suspension device, wherein the elevated frame is fixed on a ceiling, a horizontal adjusting mechanism on the elevated frame can drive a vertical adjusting mechanism connected with the horizontal adjusting mechanism through a first sliding plate to perform horizontal movement in the horizontal direction, the vertical adjusting mechanism can stretch out and draw back in the vertical direction, up-and-down movement and horizontal transverse movement of a camera frame fixedly connected with the vertical adjusting mechanism are also realized, up-and-down movement and horizontal transverse movement of a multi-angle adjusting mechanism on the camera frame are realized simultaneously, the multi-angle adjusting mechanism realizes adjustment of a plurality of angles of a camera fixed on the multi-angle adjusting mechanism through mutual matching of the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism.
Specific angle modulation for twist grip through with rotatory on the ring fixed part threaded connection realize rotatory flexible of ring, again because rotatory ring is the cover establish on rotating base, this has just realized rotatory ring for rotating base's fixed with not hard up, makes rotatory ring not hard up through adjusting twist grip, the angle to the camera is adjusted to the rotatory position of ring of rethread rotation, each adjustment mechanism all carries out rotation regulation to a face.
The technical effect of the scheme is as follows:
utilize the overhead to carry out unsettled fixed with whole camera, can need not follow the collision test car and carry out collision test together, rethread rotating handle among the many angle adjustment mechanism, cooperation between rotatory ring and the rotating base and the cooperation between horizontal adjustment mechanism and the vertical adjustment mechanism, when making collision test can not produce the influence to the camera through this kind of mode, realized the shooting angle and the adjustable of shooting the position to the camera.
Further, the horizontal adjusting mechanism comprises a first motor, a screw rod and a third fixing plate; the first motor and the third fixing plate are fixedly connected to the left side and the right side of the upper end face of the overhead frame respectively, the screw rod is fixedly arranged on a motor shaft of the first motor, a protrusion is fixedly connected to the first sliding plate, a first through hole which penetrates through the first sliding plate from left to right is formed in the protrusion, and internal threads are formed in the inner wall of the first through hole;
the first motor, the bulge and the third fixing plate are positioned on the same straight line; one end of the screw rod is fixedly connected with a motor shaft of the first motor, and the other end of the screw rod penetrates through the first through hole to be rotatably connected with the third fixing plate.
The motor shaft of first motor and the one end fixed connection of lead screw, the other end and the third fixed plate of lead screw rotate to be connected, fixed connection's arch is the internal tooth that runs through about seting up on the first slide, lead screw and internal tooth screw-thread fit, under the motor shaft pivoted effect of first motor, realized the horizontal lateral shifting that first slide made a round trip on the lead screw, just realized horizontal adjustment mechanism's horizontal lateral shifting's function through first motor and lead screw, simple structure.
Further, the vertical adjusting mechanism comprises a second motor, a rotating bracket, a third-stage suspension post and a supporting spring sleeved outside the third-stage suspension post; the upper end and the lower end of the three-stage suspension post are respectively fixedly connected with a first sliding plate and a first baffle plate, a second motor and a rotating support are fixedly arranged on the first sliding plate from left to right, a second through hole is formed in the first sliding plate and is positioned right below the rotating support, and a steel wire is wound on the rotating support; one end of the steel wire is fixedly connected with the rotating support, and the other end of the steel wire penetrates through the second through hole to be fixedly connected with the first baffle plate positioned in the third-stage suspension column; set up the first logical groove that runs through from top to bottom on the overhead, first logical groove is passed to tertiary hanging from the top to the bottom, and first slide card is established on first logical groove.
Fixedly connected with second motor and steel wire winding on the first slide, wherein the motor shaft of second motor and the axis of rotation fixed connection of steel wire winding drive the rotation support through the rotation of the motor shaft of second motor and rotate to drive the removal about the steel wire on the rotation support, because the other end of steel wire is fixed on the first baffle of the lower extreme fixed connection of tertiary suspension post again, just also driven the removal of the upper and lower height of tertiary suspension post.
Furthermore, the three-stage suspension column is connected with the camera frame through a horizontal rotation adjusting mechanism, the horizontal rotation adjusting mechanism comprises an inner tube, an outer tube and a bearing, the outer surface of the inner tube is fixedly connected with the side wall of the inner ring of the bearing, and the inner surface of the outer tube is fixedly connected with the side wall of the outer ring of the bearing; a plurality of clamping grooves are formed in the outer surface of the inner pipe and located above the bearing, the clamping grooves are in one-to-one correspondence with the clamping grooves in the outer surface of the outer pipe, the clamping grooves are matched and locked with the clamping grooves, the inner pipe is fixedly connected with the first baffle, and the outer pipe is fixedly connected with the camera frame.
The outer surface of the inner pipe and the inner surface of the outer pipe are fixedly connected with the inner ring side wall of the bearing and the outer ring side wall of the bearing respectively, mutual rotation of the inner pipe and the outer pipe is achieved by utilizing the characteristics of the bearing, and the first baffle is fixedly connected with the three-level suspension post because the inner pipe and the outer pipe are fixedly connected with the first baffle and the camera frame respectively, so that horizontal relative rotation of the camera frame and the three-level suspension post is achieved.
Furthermore, grooves are formed in the front side and the rear side of the first through groove in the overhead, balls are uniformly arranged on the grooves, and the first sliding plate is in sliding fit with the balls.
The ball can make the first slide board slide on the overhead more smoothly.
Furthermore, the clamping grooves are distributed on the same cross section of the inner pipe and are uniformly distributed along the central axis of the inner pipe.
The setting of a plurality of draw-in grooves can make the pivoted angle realize the diversification, and the angle of regulation is more, and adaptability is stronger.
Furthermore, the rotating support comprises two supporting plates and a rotating shaft, the supporting plates are distributed on the left side and the right side of the rotating shaft, and the rotating shaft is rotatably connected with the supporting plates. The steel wire is wound and rotated through the rotating shaft.
Furthermore, the rotating support is bilaterally symmetrical along the central axis of the three-stage suspension column, and a motor shaft of the second motor is positioned on the same straight line with the rotating shaft. The motor shaft and the rotating shaft of the second motor are on the same straight line, so that the whole second motor can run more smoothly and labor-saving.
Furthermore, the three-stage suspension columns are fixedly connected with the inner pipe through a first baffle. First baffle is fixed between tertiary hanging pillar and inner tube, and the steel wire will be connected and fix on first baffle like this, just so can avoid when carrying out camera frame horizontal rotation, and the steel wire is also followed the rotation and is screwed up, and the steel wire just so is split very easily.
Drawings
Fig. 1 is a schematic structural view of a suspension device of a multifunctional high-speed camera for a crash test according to a first embodiment of the invention.
Fig. 2 is a top view of the suspension of the multifunctional high-speed camera for crash test according to the first embodiment of the invention.
Fig. 3 is another schematic perspective view of the suspension of the multifunctional high-speed camera for crash test according to the first embodiment of the invention.
Fig. 4 is a schematic structural diagram of an inner tube according to a first embodiment of the present invention.
Fig. 5 is a sectional view of the horizontal rotation adjustment mechanism in the first embodiment of the present invention.
FIG. 6 is a schematic structural diagram of a multi-angle adjustment mechanism according to a first embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the camera shooting device comprises a camera shooting frame 1, a multi-angle adjusting mechanism 2, a rotary handle 200, a rotary ring 201, an opening 2010, a fixing part 2011, a rotary base 202, a first fixing plate 203, a second fixing plate 204, a mounting base 205, an inner tube 30, an outer tube 31, a bearing 32, a clamping groove 33, a buckle 34, a three-level suspension post 40, a supporting spring 41, a first sliding plate 42, a first baffle plate 43, a second motor 44, a rotary bracket 45, a second through hole 46, a protrusion 47, an elevated frame 5, a first through groove 50, a groove 51, a ball 52, a first motor 53, a third fixing plate 54 and a screw rod 55.
Example one
The first embodiment is substantially as shown in figures 1, 2 and 3: a multifunctional high-speed camera suspension device for a collision test comprises an elevated frame 5, a camera frame 1, a horizontal adjusting mechanism, a vertical adjusting mechanism, a horizontal rotation adjusting mechanism, a multi-angle adjusting mechanism 2, a first sliding plate 42 and a first baffle 43. In this embodiment, the elevated frame 5 is fixed to the ceiling to achieve a suspended placement of the entire suspension.
The horizontal adjusting mechanism comprises a first motor 53, a screw rod 55 and a third fixing plate 54, wherein a first through groove 50 is formed in the overhead frame 5; a first motor 53 is fixedly connected to the left side of the first through slot 50, and in the present embodiment, the first motor 53 is fixed on the overhead frame 5 by a screw; a third fixing plate 54 is welded and fixed on the right side of the first through groove 50, a motor shaft of the first motor 53 is welded and fixed with one end of a screw rod 55, a protrusion 47 is welded and fixed on the first sliding plate 42, a first through hole penetrating left and right is formed in the protrusion 47, an internal thread is formed in the inner wall of the first through hole, one end, far away from the motor shaft of the first motor 53, of the screw rod 55 is in threaded connection with the internal thread, and then one end, far away from the motor shaft of the first motor 53, of the screw rod 55 is rotatably connected with the third fixing plate 54. The front side and the rear side of the first through groove 50 are provided with grooves 51, a plurality of balls 52 are uniformly distributed on the grooves 51, the balls 52 can be just placed in the grooves 51, the balls 52 in the grooves 51 are distributed side by side in the left-right direction, and the first sliding plate 42 is in sliding fit with the balls 52 in the grooves 51.
The vertical adjusting mechanism comprises a second motor 44, a rotating bracket 45, a third-stage suspension column 40 and a supporting spring 41 sleeved on the peripheral side wall of the third-stage suspension column 40.
The upper end and the lower end of the three-stage suspension post 40 are respectively welded and fixed with a first sliding plate 42 and a first baffle 43, the upper end face of the first sliding plate 42 is fixedly connected with a second motor 44 and a rotating support 45, in the embodiment, the second motor 44 is fixed through screws, and the rotating support 45 is fixed through welding. The rotating bracket 45 comprises two supporting plates and a rotating shaft, the supporting plates are distributed on the left side and the right side of the rotating shaft, a motor shaft of the second motor 44 is fixedly connected with one end of the rotating shaft in a welding mode, in the embodiment, the rotating shaft is carried in a mounting hole in the supporting plates, and rotation of the rotating shaft is achieved. The rotating shaft is wound with a steel wire, one end of the steel wire is welded and fixed on the rotating shaft, and the other end of the steel wire is welded and fixed with the upper end face of the first baffle 43 through a second through hole 46 formed in the first sliding plate 42.
As shown in fig. 4 and 5, a first pipe is fixedly welded to the lower end surface of the first baffle 43, the first pipe is fixedly connected to the inner pipe 30 of the horizontal rotation adjustment mechanism through bolts and nuts, the outer side wall of the inner pipe 30 is fixedly welded to the inner ring side wall of the bearing 32, the outer side wall of the bearing 32 is fixedly welded to the inner side wall of the outer pipe 31, and the outer pipe 31 is fixedly connected to a second pipe fixedly connected to the upper end surface of the camera frame 1 through bolts and nuts. In this embodiment, a plurality of slots 33 have been seted up on the inner tube 30, slot 33 uses the axis of inner tube 30 as centre of a circle evenly distributed, the position that corresponds inner tube 30 slot 33 on outer tube 31 is equipped with buckle 34, buckle 34 is inside to have the spring, when buckle 34 and slot 33 cooperation are in the same place, the spring is in initial condition, when will rotating inner tube 30, outwards stretch buckle 34, the inside spring of this moment is in tensile state, buckle 34 will separate with slot 33 during this time, can not carry out spacingly to inner tube 30.
As shown in fig. 6, still fixedly connected with multi-angle adjustment mechanism 2 on camera frame 1, this multi-angle adjustment mechanism 2 includes first adjustment mechanism, the second adjustment mechanism, the third adjustment mechanism, first fixed plate 203, second fixed plate 204 and installation base 205, first adjustment mechanism, second adjustment mechanism and third adjustment mechanism all include twist grip 200, rotatory ring 201 and swivel base 202, wherein rotatory ring 201 is equipped with opening 2010, the equal fixedly connected with fixed part 2011 in the left and right sides of opening 2010, all seted up the screw hole in the fixed part 2011, twist grip 200 passes through screw hole threaded connection with fixed part 2011, rotatory ring 201 overlaps on the whole body lateral wall of swivel base 202.
In this embodiment, the side wall of the rotating ring 201 of the first adjusting mechanism is fixedly welded to one side of the first fixing plate 203, the other side of the first fixing plate 203 is fixedly welded to the rotating base 202 of the second adjusting mechanism, the side wall of the rotating ring 201 of the second adjusting mechanism is fixedly welded to one side of the second fixing plate 204, the other side of the second fixing plate 204 is fixedly welded to the rotating base 202 of the third adjusting mechanism, the fixing portion 2011 of the third adjusting mechanism is fixedly welded to the mounting base 205, and the mounting base 205 is used to fix the camera. In this embodiment, the mounting base 205 is provided with a cavity, the two opposite inner walls of the cavity are provided with fixing holes penetrating through the inner walls, the inner walls of the fixing holes are provided with inner threads, the camera is placed in the cavity, and the fixing of the mounting base 205 to the camera is realized by utilizing the bolts and the inner threads in the fixing holes to perform thread matching.
The specific implementation process is as follows:
the second motor 44 is controlled to move downwards to a position where the operator can operate, then the operator adjusts the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism according to the angle required by the test, specifically, the operator adjusts the rotating handle 200 to loosen the rotating ring 201, rotates the rotating ring 201 to adjust the camera angle, and adjusts the rotating handle 200 to tightly close the rotating ring 201 and fix the rotating base 202 when the camera angle is proper, so as to complete the adjustment of the camera shooting angle.
Then the buckle 34 is pulled outwards to make the spring in a stretching state, the buckle 34 is released after the outer tube 31 is rotated to a proper angle, and the spring is restored to make the buckle 34 and the inner tube 30 slot dead, so as to determine that the camera needs to shoot the object in that direction.
And then the second motor is controlled to move upwards to a specified height, the first motor is controlled to move the camera frame to a specified horizontal position, and then data acquisition of the collision test can be carried out.
Example two
Compared with the first embodiment, in the process of non-uniform speed adjustment when the vertical adjusting mechanism adjusts the height in the vertical direction, the regulated speed is divided into different speed grades, and in the process that the test vehicle runs from a distance and collides with a collision object, the adjustment of different speed grades of the three-level suspension column is controlled by the second motor, so that the test vehicle always appears in the camera lens, the problem that the shooting position of the camera does not correspond to the real-time position of the test vehicle is avoided, the data acquisition of the process and the result of the collision test can not be well carried out, through the arrangement of different speed grades, the whole device can well show the panorama along with the motion of the vehicle, meanwhile, the vehicle can not be collided by the test vehicle, and the displayed information can provide accurate and complete data for the research of a new vehicle.
In this embodiment, when the test vehicle is to perform a frontal collision test, the speed of the test vehicle needs to be accelerated from zero to a corresponding standard speed, when the test vehicle is just accelerated, the change of the running distance of the whole test vehicle in unit time is small from an initial position to one third of the whole stroke, at this time, the adjusting speed of the vertical adjusting mechanism is set to be a preset first speed, and the first speed can well present the running attitude and the acceleration process of the test vehicle in an early acceleration stage; when the speed of test car reaches a definite value, the distance of traveling in the test car unit interval this moment can become very big, if can not change vertical adjustment mechanism's governing speed, will can't shoot following collision condition, for this reason relative vertical adjustment mechanism's governing speed also can increase, it sets up to predetermined second speed, the regulation of speed this moment can ensure that the test car of high-speed traveling presents clear image in the camera, blurred picture can not appear. The interval of the change of the different speeds through the test car carries out the classification of grade to the speed of vertical adjustment mechanism's regulation, can ensure at whole collision in-process, and the camera can be fine moves along with the test car to accomplish the camera and can both gather the collision condition of test car at whole collision in-process, provide perfect data for the reappearance of collision test afterwards.
EXAMPLE III
Compared with the first embodiment, the buffering structure is arranged on the multi-angle adjusting mechanism in the first embodiment, the buffering structure is sleeved on the multi-angle adjusting mechanism, meanwhile, the buffering structure is provided with the extending hole for the camera lens to extend out, in the first embodiment, the buffering structure is an elastic cylinder, and therefore the effect of buffering the shaking of the camera can be achieved when the camera is moved, the shaking of the camera is kept stable, and meanwhile, the position of the camera on the camera frame is limited.
The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a bump test is with multi-functional high-speed camera linkage which characterized in that:
comprises an elevated frame, a camera frame, a horizontal adjusting mechanism, a vertical adjusting mechanism for vertical extension and a multi-angle adjusting mechanism;
a horizontal adjusting mechanism is arranged on the elevated frame, the horizontal adjusting mechanism is connected with the vertical adjusting mechanism through a first sliding plate, the vertical adjusting mechanism is fixedly connected with the camera frame, and a multi-angle adjusting mechanism is arranged on the camera;
the multi-angle adjustment comprises a first adjusting mechanism, a second adjusting mechanism, a third adjusting mechanism, a first fixing plate, a second fixing plate and an installation base; the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism respectively comprise a rotating handle, a rotating ring and a rotating base; the rotating ring is provided with an opening part, the left side and the right side of the opening part are fixedly connected with fixing parts, threaded holes are formed in the fixing parts, the rotating handle is in threaded connection with the fixing parts, and the rotating ring is sleeved on the side wall of the whole body of the rotating base; the side wall of the rotating ring of the first adjusting mechanism is fixedly connected with one side of the first fixing plate, and the other side of the first fixing plate is fixedly connected with the rotating base of the second adjusting mechanism; the side wall of the rotating ring of the second adjusting mechanism is fixedly connected with one side of the second fixing plate, and the other side of the second fixing plate is fixedly connected with the rotating base of the third adjusting mechanism; the fixing part of the third adjusting mechanism is fixedly connected with the mounting base, and the camera is fixedly connected to the mounting base;
the horizontal adjusting mechanism comprises a first motor, a screw rod and a third fixing plate; the first motor and the third fixing plate are fixedly connected to the left side and the right side of the upper end face of the elevated frame respectively, the lead screw is fixedly arranged on a motor shaft of the first motor, a protrusion is fixedly connected to the first sliding plate and provided with a first through hole which penetrates through the first sliding plate from left to right, and internal threads are arranged on the inner wall of the first through hole;
the first motor, the bulge and the third fixing plate are positioned on the same straight line; one end of the screw rod is fixedly connected with a motor shaft of the first motor, and the other end of the screw rod penetrates through the first through hole to be rotatably connected with the third fixing plate;
the vertical adjusting mechanism comprises a second motor, a rotating bracket, a third-stage suspension post and a supporting spring sleeved outside the third-stage suspension post; the upper end and the lower end of the three-stage suspension post are respectively fixedly connected with a first sliding plate and a camera frame, a second motor and a rotating support are fixedly arranged on the first sliding plate from left to right, a second through hole is formed in the first sliding plate and is positioned right below the rotating support, and a steel wire is wound on the rotating support; one end of the steel wire is fixedly connected with the rotating support, and the other end of the steel wire penetrates through the second through hole to be fixedly connected with the camera frame positioned in the three-stage suspension column; a first through groove which penetrates through the elevated frame from top to bottom is formed in the elevated frame, the three-stage suspension posts penetrate through the first through groove, and the first sliding plate is clamped on the first through groove; the second motor is preset to adjust the speed of the three-stage suspension column through different speed grades.
2. The multifunctional high-speed camera suspension device for crash test according to claim 1, characterized in that: the three-stage suspension post is connected with the camera rack through a horizontal rotation adjusting mechanism, the horizontal rotation adjusting mechanism comprises an inner pipe, an outer pipe and a bearing, the outer surface of the inner pipe is fixedly connected with the side wall of an inner ring of the bearing, and the inner surface of the outer pipe is fixedly connected with the side wall of an outer ring of the bearing; a plurality of clamping grooves are formed in the outer surface of the inner pipe and above the bearing, the outer surface of the outer pipe is provided with buckles in one-to-one correspondence with the clamping grooves, and the clamping grooves are matched and locked with the buckles; the inner pipe is fixedly connected with the three-stage suspension column, and the outer pipe is fixedly connected with the camera frame.
3. The multifunctional high-speed camera suspension device for crash test according to claim 2, characterized in that: grooves are formed in the front side and the rear side of the first through groove in the elevated frame, balls are uniformly arranged on the grooves, and the first sliding plate is in sliding fit with the balls.
4. The multifunctional high-speed camera suspension device for crash test according to claim 3, characterized in that: the clamping grooves are distributed on the same cross section of the inner pipe and are uniformly distributed along the central axis of the inner pipe.
5. The multifunctional high-speed camera suspension device for crash test according to claim 4, characterized in that: the rotating support comprises two supporting plates and a rotating shaft, the supporting plates are distributed on the left side and the right side of the rotating shaft, and the rotating shaft is rotatably connected with the supporting plates.
6. The multifunctional high-speed camera suspension device for crash test according to claim 5, characterized in that: the rotating support is bilaterally symmetrical along the central axis of the three-stage suspension column, and a motor shaft of the second motor is in the same straight line with the rotating shaft.
7. The multifunctional high-speed camera suspension device for crash test according to claim 6, characterized in that: and the three-stage suspension columns are fixedly connected with the inner pipe through the first baffle.
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| CN202110738972.0A CN113357519B (en) | 2021-06-30 | 2021-06-30 | Multifunctional high-speed camera suspension device for collision test |
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| CN113357519A (en) | 2021-09-07 |
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