CN111351417B - Method for detecting performance of automobile sliding door based on finished automobile main model detection tool - Google Patents
Method for detecting performance of automobile sliding door based on finished automobile main model detection tool Download PDFInfo
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- CN111351417B CN111351417B CN202010228312.3A CN202010228312A CN111351417B CN 111351417 B CN111351417 B CN 111351417B CN 202010228312 A CN202010228312 A CN 202010228312A CN 111351417 B CN111351417 B CN 111351417B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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Abstract
The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool comprises the following steps: the method comprises the steps of firstly, determining one of three component structures of the automobile sliding door as a variable, installing the determined variable structure on a whole automobile main model detection tool to replace the corresponding structure, then carrying out corresponding detection, selecting one of the three component structures of the automobile sliding door as the variable, installing the variable structure in the whole automobile main model detection tool to detect whether the variable structure is qualified or not, enabling the detection of the performance of the automobile sliding door to be comprehensive, and timely correcting the problem of the automobile sliding door to ensure the normal production use of the automobile sliding door.
Description
Technical Field
The invention belongs to the field of automobile part performance detection, and particularly relates to a method for detecting automobile sliding door performance based on a finished automobile main model detection tool.
Background
The main model of the whole vehicle is a solid model which is made of steel or aluminum and has the same size as a real object according to the size and the shape given by a vehicle body design drawing, a main drawing board and a sample plate. Generally, the body panels are manufactured in blocks and can be assembled into a model of the whole body. Because the surface of the car body is a complex space curved surface, the drawing and the main drawing on a plane cannot be clearly expressed. Therefore, the main model is one of important design materials, which is equivalent to an intuitive and three-dimensional drawing. Meanwhile, the method is also used as a main basis for manufacturing a stamping die, a clamping fixture, a welding fixture and a test sample rack, and is also an indispensable basis for mass production of automobile bodies.
The main finished automobile model in the prior art has no sliding function of the copying sliding door, and mainly because the copying sliding door of the main finished automobile model is made of steel, the weight of the manufactured copying sliding door is far greater than that of a real automobile door, and the effect of sliding the copying sliding door on the main finished automobile model is difficult to realize.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for detecting the performance of an automobile sliding door based on a finished automobile main model detection tool.
The invention adopts the following technical scheme:
the method for detecting the performance of the automobile sliding door based on the whole automobile main model detection tool comprises an automobile body and a profiling sliding door, wherein the automobile sliding door comprises a door body, a hinge arranged on the door body and a hinge track matched with the hinge, and the profiling sliding door is made of carbon fibers and comprises a profiling door body, a profiling hinge arranged on the profiling door body and a profiling track matched with the profiling hinge; the detection method comprises the following steps:
step one, determining one of three constituent structures of the automobile sliding door as a variable, installing the determined variable structure on a whole automobile main model gauge to replace a corresponding structure, randomly selecting a plurality of track points from a point cloud on a motion track of the automobile sliding door or a profile modeling sliding door as points to be measured, and selecting a plurality of points arranged at intervals from one side edge of the automobile sliding door or the profile modeling sliding door, which is far away from a vehicle head, as detection points;
secondly, respectively installing detection modules at positions horizontally opposite to the plurality of detection points on the vehicle body, wherein the detection modules are provided with detection surfaces matched with the side surfaces of the profiling sliding door;
moving the automobile sliding door profiling automobile door to a first point to be measured, measuring the distance between the detection surface and the automobile sliding door or the side surface of the profiling sliding door through a clearance ruler, measuring the clearance and surface difference between the detection module and the detection point through a surface difference meter, and recording;
and step four, continuously moving the automobile sliding door or the profiling sliding door until the detection of all the points to be detected is completed, and then judging whether the molded surfaces of the automobile sliding door or the profiling sliding door corresponding to each detection point are synchronous or not according to the detection result so as to judge whether the determined variable structure is qualified or not.
Further, the point to be measured may be an inflection point on the motion trajectory of the automobile sliding door.
Furthermore, the detection module comprises a first detection module and a second detection module, the first detection module is opposite to a detection point close to the middle part of the automobile sliding door, and the second detection module is opposite to other detection points.
Furthermore, the first detection module comprises a first fixed block arranged on the vehicle body, a first detection block arranged on the first fixed block and opposite to the vehicle sliding door, and a stop block arranged on the first detection block and used for limiting the sliding of the vehicle door, wherein the detection surface is arranged on the first detection block and opposite to the side surface of the vehicle sliding door or the profile modeling sliding door.
Furthermore, the stop block can be arranged on the first detection block in a movable mode in a direction close to or far away from the detection point, and the first detection module further comprises a locking piece used for locking the stop block on the first detection module.
Furthermore, a sliding groove for the stop block to slide is formed in the first detection block, and a limiting portion for limiting the stop block to completely enter the sliding groove is arranged at the front end of the stop block.
Furthermore, the retaining member comprises a plurality of locking screw holes arranged at the bottom of the sliding groove at intervals, a yielding hole arranged on the stop block and capable of being opposite to the locking screw holes, and a locking bolt passing through the yielding hole and matched with the locking screw holes.
Furthermore, the first fixed block comprises a first seat body fixedly arranged on the vehicle body, a first positioning seat detachably arranged on the first seat body and a first positioning assembly for positioning the first positioning seat on the first seat body, and the first detection module is arranged on the first positioning seat and is opposite to the vehicle sliding door.
Furthermore, the first positioning component comprises a first embedding hole, a first positioning hole, a first embedding column and a first positioning pin, and the first embedding hole and the first positioning hole are arranged on the first seat body at intervals; the first embedding column is arranged at the bottom of the first positioning seat and can be embedded into the first embedding hole; the first positioning pin is movably arranged in the first positioning seat and can be downwards moved to be embedded into the first positioning hole.
Furthermore, the second detection module comprises a second fixed block arranged on the vehicle body and a second detection block arranged on the second fixed block and opposite to the automobile sliding door, and the detection surface is arranged on the second detection block and opposite to the side surface of the automobile sliding door or the profile modeling sliding door.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:
one of the three component structures of the automobile sliding door is selected as a variable and is installed in the whole automobile main model checking fixture to detect whether the variable structure is qualified or not, so that the detection of the automobile sliding door is comprehensive, and the problem of the automobile sliding door is corrected in time to ensure the normal use of the automobile sliding door;
the first detection module comprises a stopping part which can accurately stop the sliding door of the sliding automobile at a specified position so as to carry out corresponding detection;
the stopping part can be arranged on the first detection block in a moving mode along a direction close to or far away from the detection point, and the theoretical gap can be adjusted by moving the stopping part to adapt to different detection requirements.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a first door panel;
FIG. 4 is a schematic structural view of a second door panel;
FIG. 5 is a third schematic structural view of the present invention;
FIG. 6 is a fourth schematic structural view of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a diagram illustrating a first state of the detection module during detection;
FIG. 9 is a diagram illustrating a second state of the detecting module during detection;
FIG. 10 is a first schematic structural diagram of a first detecting module;
FIG. 11 is a second schematic structural diagram of the first detecting module;
FIG. 12 is a third schematic structural diagram of the first detecting module;
fig. 13 is a schematic structural view of the first seat;
FIG. 14 is a first schematic structural diagram of a second detecting module;
FIG. 15 is a second schematic structural diagram of a second detecting module;
fig. 16 is a schematic structural view of the second seat;
in the figure, 1-a first door panel, 2-a second door panel, 3-hinges, 4-locking parts, 5-connecting parts, 6-a first detection module, 7-a second detection module, 8-a detection surface, 9-a surface difference meter, B-a second detection point, C-a first detection point, L-distance, 11-a first installation hole, 12-a second installation hole, 13-a positioning groove, 14-a third installation hole, 15-an installation groove, 16-a transition part, 17-a first reinforcing insert, 18-a second reinforcing insert, 19-a third reinforcing insert, 21-a fourth reinforcing insert, 31-an upper hinge, 32-a middle hinge, 33-a lower hinge, 41-a locking screw hole, 51-a reinforcing cushion part, 52-a positioning part, a screw hole, a reinforcing cushion part, a positioning part and a positioning part, 61-a first fixed block, 62-a first detection block, 63-a stop block, 64-a locking piece, 71-a second fixed block, 72-a second detection block, 111-a first step part, 151-a support part, 521-a first positioning bolt, 522-a second positioning bolt, 611-a first seat body, 612-a first positioning seat, 613-a first positioning component, 6131-a first embedding hole, 6132-a first positioning hole, 6133-a first positioning sleeve, 6134-a first embedding column, 6135-a first positioning pin, 621-a sliding groove, 631-a limiting part, 641-an abdicating hole, 711-a second seat body, 712-a second positioning seat, 713-a second positioning component, 7131-a second embedding hole, 7132-a second positioning hole, 7133-a second positioning sleeve, 7134-second embedded column, 7135-second locating pin.
Detailed Description
The invention is further described below by means of specific embodiments.
The whole vehicle main model checking fixture comprises a vehicle body and a profiling sliding door arranged on the vehicle body, wherein the profiling sliding door is made of carbon fibers, and the error between the profiling sliding door and a real vehicle door is kept within +/-1 Kg, so that the carbon fiber vehicle door also has the functional characteristic that a real vehicle door product slides on the vehicle body;
the automobile sliding door comprises a door body, a hinge arranged on the door body and a hinge track matched with the hinge.
As shown with reference to fig. 1 to 7.
The profiling sliding door comprises a first door panel 1 and a second door panel 2 which are mutually spliced, wherein the first door panel 1 and the second door panel 2 are made of carbon fibers, the production cost is low, the weight is light, the error between the weight of the carbon fiber profiling sliding door and the error between the weight of the actual vehicle door and the error between the carbon fiber profiling sliding door and the error of the actual vehicle door are kept within +/-1 Kg, and the carbon fiber vehicle door also has the function characteristic of sliding of the actual vehicle door product on a vehicle body.
The inner side surface of the first door panel 1 is provided with a hinge 3 which is matched with a vehicle body to realize that the profile modeling sliding door slides according to a sliding track, the hinge 3 is detachably arranged on the inner side surface of the first door panel 1 through a connecting assembly 5, specifically, the hinge 3 comprises an upper hinge 31, a middle hinge 32 and a lower hinge 33 which are sequentially arranged from top to bottom at intervals, the upper hinge 31, the middle hinge 32 and the lower hinge 33 are consistent with a hinge structure for a real vehicle door in the prior art, and further description on the specific structure is omitted.
The connecting assembly 5 comprises a reinforcing pad 51 arranged between the hinge 3 and the inner side surface of the first door panel 1 and a positioning part 52 used for fixing the hinge 3 and the reinforcing pad 51 on the inner side surface of the first door panel 1, specifically, the positioning part 52 comprises a first positioning bolt 521 for fixing the reinforcing pad 51 on the inner side surface of the first door panel 1 and a second positioning bolt 522 for fixing the hinge 3 on the reinforcing pad 51, the inner side surface of the first door panel 1 is provided with a positioning groove 13 for installing the reinforcing pad 51, further, the reinforcing pad 51 is made of steel or aluminum, the mounting point of the hinge 3 is reserved on the first door panel 1, the strength of the mounting point of the hinge is increased by using the steel reinforcing pad or the aluminum reinforcing pad, the purpose of installing the hinge is achieved, and the purpose of simulating real sliding of the carbon fiber copying sliding door on the main model body of the whole automobile is achieved.
The inner side surface of the first door panel 1 is further provided with a first reinforcing insert 17 and a plurality of second reinforcing inserts 18, the first reinforcing insert 17 and the second reinforcing inserts 18 are made of steel or aluminum, and because the weight of carbon fibers is light, the difference between the weight of the copying sliding door and the weight of a real vehicle door is reduced by arranging the copper reinforcing inserts or the aluminum reinforcing inserts on the copying sliding door, so that the error between the weight of the copying sliding door made of the carbon fibers and the weight of the real vehicle door is kept within +/-1 Kg.
The first reinforcing insert 17 is disposed at a transition 16 of the inner side of the first door panel 1 facing the side edge of the first door panel 1 and located below the middle hinge 32, the first reinforcing insert 17 is detachably disposed at the transition 16 of the first door panel 1 through the locking member 4, specifically, the transition 16 of the first door panel 1 is provided with a first mounting hole 11 for mounting the first reinforcing insert 17, a first step portion 111 for supporting the first reinforcing insert 17 is disposed at the inner side of the first mounting hole 11, the first reinforcing insert 17 is locked at the first step portion 111 through the locking member 4, further, the locking member 4 includes a plurality of locking screw holes 41 disposed at intervals on the first step portion 111, locking through holes disposed at the first reinforcing insert 17 opposite to the locking screw holes 41, and locking bolts passing through the locking through holes and matching the locking screw holes 41.
The plurality of second reinforcing inserts 18 are disposed on the inner side surface of the first door panel 1, the inner side surface of the first door panel 1 is provided with second mounting holes 12 for mounting the second reinforcing inserts 18, and specifically, the second reinforcing inserts 18 are disposed on the second mounting holes 12 through adhesive.
The outer side surface of the first door panel 1 is provided with a third mounting hole 14 for mounting a lifting glass, the edge of the first door panel 1 surrounding the third mounting hole 14 is also provided with a third reinforcing insert 19, and the third reinforcing insert 19 is mounted on the outer side surface of the first door panel 1 in a threaded manner in the same manner as the first reinforcing insert 17.
The installation position of the reinforcing insert is arranged according to the installation points of the door plates of the copying sliding door so as to reinforce the strength of the installation points, and the installation mode of the reinforcing insert is selected according to the positions of the installation points, because the first door plate 1 and the second door plate 2 are made of carbon fibers, on the premise of ensuring the strength of the door plates, the production cost is reduced, the thickness of the door plates is limited within a certain range, and when the functional characteristic molded surface of the installation points is a plane, on the premise of ensuring the production cost, the thickness of the installation points is not required to be thickened so as to meet the requirement that the reinforcing insert is fixed by adopting a screw connection mode, and therefore, the reinforcing insert is fixed by adopting viscose glue; when the functional characteristic molded surface where the mounting point is located is non-planar, the strength of the non-planar mounting point is ensured, the thickness of the mounting point can be locally thickened, and the reinforcing insert can adopt a threaded connection mode at the moment, so that the connection stability of the reinforcing insert is ensured.
The second door panel 2 is connected with the outer side surface of the first door panel 1, the outer side surface of the first door panel 1 is provided with a mounting groove 15 for mounting the second door panel 2, the inner side surface of the mounting groove 15 is provided with a supporting portion 151 for supporting the second door panel 2, specifically, the second door panel 2 is fixed on the supporting portion 151 through a bolt assembly, further, the mounting point of the second door panel 2 is also provided with a fourth reinforcing insert 21 to ensure the strength of the mounting point of the second door panel 2, the mounting mode of the fourth reinforcing insert 21 is the same as that of the first reinforcing insert 17, and the fourth reinforcing insert 21 is mounted on the outer side surface of the second door panel 2 in a threaded manner.
As shown with reference to FIGS. 8 to 9
The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool comprises the following steps:
step one, determining one of three constituent structures of the automobile sliding door as a variable, installing the determined variable structure on a whole automobile main model gauge to replace a corresponding structure, randomly selecting a plurality of track points from a point cloud on a motion track of the automobile sliding door or a profile modeling sliding door as points to be measured, and selecting a plurality of points arranged at intervals from one side edge of the automobile sliding door or the profile modeling sliding door, which is far away from a vehicle head, as detection points;
secondly, respectively installing detection modules at positions horizontally opposite to the detection points on the vehicle body, wherein the detection modules are provided with detection surfaces 8 matched with the side surfaces of the profiling sliding doors;
moving the automobile sliding door profiling automobile door to a first point to be measured, measuring the distance L between the detection surface and the automobile sliding door or the side surface of the profiling sliding door through a clearance ruler, and measuring the clearance and surface difference between the detection module and the detection point through a surface difference table 9, and recording;
and step four, continuously moving the automobile sliding door or the profiling sliding door until the detection of all the points to be detected is completed, and then judging whether the molded surfaces of the automobile sliding door or the profiling sliding door corresponding to each detection point are synchronous or not according to the detection result so as to judge whether the determined variable structure is qualified or not.
The point to be measured can be an inflection point on the motion trail of the automobile sliding door.
According to the detection steps, when whether the production of the hinge of the automobile sliding door meets the requirements or not is detected, the hinge is installed on the copying automobile door in a replacement mode, the points to be detected and the detection points are determined according to the motion track of the copying sliding door and are matched with the detection module, the distance L between the detection surface and the side surface of the copying sliding door is measured through the clearance ruler, the clearance and the surface difference between the detection module and the detection points are measured through the surface difference meter 9, when the clearance and the surface difference detected by the detection points on each point to be detected are consistent with theoretical values, the molded surfaces of the copying sliding door corresponding to the detection points are synchronous, and the production composite requirements of the hinge can be judged, otherwise, the production composite requirements are not met.
When whether the production of the vehicle door body of the vehicle sliding door meets the composite requirement is detected, the vehicle door body is installed on the vehicle body in a replacement mode, the points to be detected and the detection points are determined according to the motion track of the vehicle sliding door and are matched with the detection module, the distance L between the detection surface and the side surface of the vehicle sliding door is measured through the clearance ruler, and the clearance and surface difference between the detection module and the detection points are measured through the surface difference table 9, when the clearance and surface difference detected by the detection points on each point to be detected are consistent with theoretical values, the molded surfaces of the profile modeling sliding doors corresponding to the detection points are synchronous, the production composite requirement of the vehicle door body can be judged, otherwise, the production composite requirement is not met.
One of the three component structures of the automobile sliding door is selected as a variable and is installed in the whole automobile main model checking fixture to detect whether the variable structure is qualified or not, so that the automobile sliding door is comprehensively detected, and the problem existing in the automobile sliding door is corrected in time to ensure the normal use of the automobile sliding door.
As shown with reference to fig. 10-16.
The detection module comprises a first detection module 6 and a second detection module 7, the first detection module 6 is opposite to a detection point close to the middle part of the automobile sliding door, the second detection module 6 is opposite to other detection points, in the embodiment, two points are selected as the detection points, the first detection point C is close to the middle part of the automobile sliding door, the second detection point B is close to the top part of the automobile sliding door, the first detection module 6 is arranged on the automobile body and opposite to the first detection point C, and the second detection module 7 is arranged on the automobile body and opposite to the second detection point B.
The first detecting module 6 includes a first fixing block 61 provided on the vehicle body, a first detecting block 62 provided on the first fixing block 61 to oppose the sliding door of the vehicle, a stopper 63 provided on the first detecting block 62 to restrict the sliding of the vehicle door, and a locking member 64 for locking the stopper 63 to the first detecting module 62.
The first fixing block 61 includes a first seat body 611 fixedly disposed on the vehicle body, a first positioning seat 612 detachably disposed on the first seat body 611, and a first positioning component 613 for positioning the first positioning seat 612 on the first seat body 611, specifically, the first positioning component 613 includes a first insertion hole 6131, a first positioning hole 6132, a first positioning sleeve 6133, a first insertion column 6134 and a first positioning pin 6135, and the first insertion hole 6131 and the first positioning hole 6132 are disposed on the first seat body 611 at an interval; the first positioning sleeve 6133 is disposed in the first insertion hole 6131; the first embedded column 6134 is arranged at the bottom of the first positioning seat 612 and can be embedded into the first positioning sleeve 6133; the first positioning pin 6135 is movably disposed in the first positioning seat 612, and can be inserted into the first positioning hole 6132 by moving downward; the first detection module 6 is fixed on the vehicle body through the matching of all parts of the first positioning assembly 313 so as to detect the performance of the vehicle sliding door.
The first detection module 62 is arranged on the first positioning seat 612 and is opposite to the automobile sliding door, the detection surface 8 is formed on the first detection module 62 and is opposite to the automobile sliding door or the profile modeling sliding door, and when the sliding door moves to a specified point to be detected, a certain distance L is formed between the side surface of the sliding door and the detection surface 8.
The stop block 63 can be disposed on the first detection block 62 in a movable manner in a direction approaching or departing from the detection point, specifically, a sliding slot 621 for the stop block 63 to slide is disposed on the first detection block 62, further, a limiting portion 631 for limiting the stop block 63 to completely enter the sliding slot 621 is disposed at the front end of the stop block 63, during detection, the detection module is mounted at a designated position, when the vehicle sliding door moves, the sliding is limited by the limiting portion 631 to stop sliding, so that the vehicle sliding door stops at the designated position, and a certain distance L is formed between the side surface of the vehicle sliding door and the detection surface, so as to perform corresponding detection.
The locking member 64 includes a plurality of locking screw holes spaced at the bottom of the sliding groove 621, a relief hole 641 formed on the stopper 63 and capable of facing the locking screw holes, and a locking bolt passing through the relief hole 641 and engaged with the locking screw holes.
The second detection module 7 includes a second fixed block 71 disposed on the vehicle body, and a second detection block 72 disposed on the second fixed block 71 and opposing the vehicle sliding door, and the detection surface 8 is formed on the second detection block 72 and opposing the vehicle sliding door or the copying sliding door.
The second fixing block 71 comprises a second seat body 711 fixedly arranged on the vehicle body, a second positioning seat 712 detachably arranged on the second seat body 711, and a second positioning assembly 713 for positioning the second positioning seat 712 on the second seat body 711, specifically, the second positioning assembly 713 comprises a second inserting hole 7131, a second positioning hole 7132, a second positioning sleeve 7133, a second inserting column 7134 and a second positioning pin 7135, and the second inserting hole 7131 and the second positioning hole 7132 are arranged on the second seat body 711 at intervals; the second positioning sleeve 7133 is disposed in the second insertion hole 7131; the second embedded column 7134 is arranged at the bottom of the second positioning seat 712 and can be embedded into the second positioning sleeve 7133; the second positioning pin 7135 is movably arranged in the second positioning seat 712 and can be moved downwards to be embedded in the second positioning hole 7132; the second detection module 7 is fixed on the vehicle body through the matching of the components of the second positioning assembly 713 so as to detect the performance of the vehicle sliding door.
The carbon fiber copying sliding door keeps functional characteristic profiles, nearby mounting points and door hinge mounting points of a real door, is made of carbon fibers, is low in production cost and light in weight, and can keep errors between the carbon fiber copying sliding door and the real door within +/-1 Kg in weight, so that the carbon fiber door also has the functional characteristic that a real door product slides on a vehicle body, some problems of the real door are reflected through the exchange process of the carbon fiber copying sliding door and the real door in use, the problem of the real door is corrected, some problems occurring in use of the automobile sliding door are finally solved, reinforcing inserts are arranged at the mounting points of the first door plate 1 and the second door plate 2, the difference between the weight of the carbon fiber copying sliding door and the weight of the real door is reduced, the errors between the weight of the carbon fiber copying sliding door and the real door are kept within +/-1 Kg, and meanwhile, a steel reinforcing pad or an aluminum reinforcing pad is used at the mounting points of the hinge 3 to increase the strength of the hinge mounting points The purpose of installing the hinge 3 is achieved, and the purpose of simulating the sliding of a real car door is achieved on the main model car body of the whole car by the carbon fiber copying sliding door.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (10)
1. The method for detecting the performance of the automobile sliding door based on the whole automobile main model detection tool comprises an automobile body and a copying sliding door, wherein the automobile sliding door comprises an automobile door body, a hinge arranged on the automobile door body and a hinge track matched with the hinge, and is characterized in that: the copying sliding door is made of carbon fiber and comprises a copying car door body, a copying hinge arranged on the copying car door body and a copying track matched with the copying hinge; the detection method comprises the following steps:
step one, determining one of three constituent structures of the automobile sliding door as a variable, installing the determined variable structure on a whole automobile main model gauge to replace a corresponding structure, randomly selecting a plurality of track points from a point cloud on a motion track of the automobile sliding door or a profile modeling sliding door as points to be measured, and selecting a plurality of points arranged at intervals from one side edge of the automobile sliding door or the profile modeling sliding door, which is far away from a vehicle head, as detection points;
secondly, respectively installing detection modules at positions horizontally opposite to the plurality of detection points on the vehicle body, wherein the detection modules are provided with detection surfaces matched with the side surfaces of the profiling sliding door;
moving the automobile sliding door profiling automobile door to a first point to be measured, measuring the distance between the detection surface and the automobile sliding door or the side surface of the profiling sliding door through a clearance ruler, measuring the clearance and surface difference between the detection module and the detection point through a surface difference meter, and recording;
and step four, continuously moving the automobile sliding door or the profiling sliding door until the detection of all the points to be detected is completed, and then judging whether the molded surfaces of the automobile sliding door or the profiling sliding door corresponding to each detection point are synchronous or not according to the detection result so as to judge whether the determined variable structure is qualified or not.
2. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 1, is characterized in that: the point to be measured can be an inflection point on the motion trail of the automobile sliding door.
3. The method for detecting the performance of the automobile sliding door based on the whole automobile main model detection tool according to claim 1 or 2, is characterized in that: the detection module comprises a first detection module and a second detection module, the first detection module is opposite to a detection point close to the middle part of the automobile sliding door, and the second detection module is opposite to other detection points.
4. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 3, characterized in that: the first detection module comprises a first fixed block arranged on the automobile body, a first detection block arranged on the first fixed block and opposite to the automobile sliding door and a stop block arranged on the first detection block and used for limiting the sliding of the automobile door, and the detection surface is arranged on the first detection block and opposite to the side surface of the automobile sliding door or the profile modeling sliding door.
5. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 4, is characterized in that: the stop block can be arranged on the first detection block in a movable mode in a direction close to or far away from the detection point, and the first detection module further comprises a locking piece used for locking the stop block on the first detection module.
6. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 5, is characterized in that: the first detection block is provided with a sliding groove for the stop block to slide, and the front end of the stop block is provided with a limiting part for limiting the stop block to completely enter the sliding groove.
7. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 6, is characterized in that: the locking piece comprises a plurality of locking screw holes arranged at the bottom of the sliding groove at intervals, abdicating holes arranged on the stop block and capable of being opposite to the locking screw holes, and locking bolts penetrating the abdicating holes and matched with the locking screw holes.
8. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 4, is characterized in that: the first fixed block comprises a first seat body fixedly arranged on the automobile body, a first positioning seat detachably arranged on the first seat body and a first positioning assembly for positioning the first positioning seat on the first seat body, and the first detection module is arranged on the first positioning seat and is opposite to the automobile sliding door.
9. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 8, is characterized in that: the first positioning component comprises a first embedding hole, a first positioning hole, a first embedding column and a first positioning pin, and the first embedding hole and the first positioning hole are arranged on the first seat body at intervals; the first embedding column is arranged at the bottom of the first positioning seat and can be embedded into the first embedding hole; the first positioning pin is movably arranged in the first positioning seat and can be downwards moved to be embedded into the first positioning hole.
10. The method for detecting the performance of the automobile sliding door based on the finished automobile main model detection tool according to claim 3, characterized in that: the second detection module comprises a second fixed block arranged on the automobile body and a second detection block arranged on the second fixed block and opposite to the automobile sliding door, and the detection surface is arranged on the second detection block and opposite to the side surface of the automobile sliding door or the profile modeling sliding door.
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| CN113819823A (en) * | 2021-08-25 | 2021-12-21 | 岚图汽车科技有限公司 | Front door assembly and adjustment detection device of MPV sliding door vehicle type |
| CN114414263B (en) * | 2022-01-25 | 2024-02-20 | 鑫源汽车有限公司 | Sliding door closing speed measuring device and minimum closing speed testing method |
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