CN-116252256-B - Three-coordinate bracket equipment for measuring size of side wall parts of multiple vehicle types

CN116252256BCN 116252256 BCN116252256 BCN 116252256BCN-116252256-B

Abstract

The invention discloses three-coordinate support equipment for measuring the sizes of side wall parts of multiple vehicle types, which comprises a reference platform, a support plate, one or more positioning and pressing units, a plurality of pressing modules and a plurality of pressing modules, wherein the reference platform comprises a positioning plate which is a vertically arranged planar frame structure, the support plate is horizontally arranged at the bottom of the positioning plate and forms an inverted T-shaped support structure together with the positioning plate, one or more positioning and pressing units are arranged on the positioning plate corresponding to positioning holes on the parts, and the plurality of pressing modules are arranged on the positioning plate at intervals along the circumferential direction of the parts and vertically press the surfaces of edges of the parts relative to the pressing modules. According to the invention, integrated positioning and mounting of various side wall parts are realized through the cooperation of the integral reference platform and the positioning and pressing unit, any positioning and pressing unit adopts a modularized structure, positioning and pressing of different parts are flexibly realized through the cooperation of the positioning modules and the pressing modules in different forms, and the three-coordinate measuring efficiency is greatly improved while the dimensional measuring accuracy is ensured.

Inventors

HE LEWEI
WEI YONGBO
MEI MIN
HU YUTING

Assignees

东风（武汉）汽车零部件有限公司

Dates

Publication Date: 20260512
Application Date: 20230109

Claims (8)

1. A three-dimensional support equipment for measuring side wall class part size of multi-vehicle type, characterized by comprising: the reference platform comprises a positioning plate, a supporting plate and a supporting plate, wherein the positioning plate is a vertically arranged planar frame structure, and the shape of the positioning plate is matched with that of an automobile single-side-wall assembly; The device comprises a positioning plate, one or more positioning compression units, a plurality of compression modules and a plurality of positioning assembly units, wherein the positioning compression units are in one-to-one correspondence with a plurality of parts in an automobile single-side wall assembly, any one positioning compression unit comprises a positioning module which is arranged on the positioning plate in correspondence with positioning holes on the corresponding parts and is detachably connected with the positioning plate, and the positioning module is matched and clamped with the positioning holes on the corresponding parts through positioning pins; the compaction module includes: the pressing base is attached to the surface of one side of the positioning plate and is detachably connected with the positioning plate; the pressing pedestal is fixed on one side of the pressing base far away from the positioning plate and extends outwards perpendicular to the plane where the pressing base is located; the second pressing mechanism comprises a pressing block arranged on the pressing pedestal, and is matched with the clamping heads of the rapid clamping mechanism to relatively press the edge surfaces of corresponding parts from two sides, and the pressing direction of the first pressing mechanism and the second pressing mechanism is perpendicular to the corresponding pressing surface; In the same pressing device, the first pressing mechanism and the second pressing mechanism are arranged on the positioning plate through different pressing pedestals and pressing bases; the second pressing mechanism further comprises a limiting pin which sequentially penetrates through the pin holes in the pressing block and the corresponding pressing pedestal and is in pin joint with the pin holes, and a limiter is arranged to limit relative rotation between the pressing block and the corresponding pressing pedestal.
2. The three-dimensional bracket apparatus for measuring the dimensions of side wall parts of multiple vehicle types according to claim 1, wherein the reference platform further comprises a plurality of moving units disposed at intervals around the bottom of the support plate, any one of the moving units comprising a universal wheel rotatably connected to the support plate through a rotating bracket, and a brake device disposed on the universal wheel for limiting rotational displacement thereof.
3. The three-dimensional bracket apparatus for measuring dimensions of side wall parts of multiple vehicle types according to claim 1, wherein the reference platform further comprises a plurality of sets of reinforcing ribs disposed between the positioning plate and the support plate in a length direction, any one set of reinforcing ribs including two reinforcing ribs disposed symmetrically on both sides of the positioning plate, any one reinforcing rib connecting the same side of the positioning plate and the support plate in a width direction and forming a triangular support structure together with the same.
4. The three-dimensional bracket apparatus for multi-vehicle side wall part sizing of claim 1, wherein the datum platform further comprises a plurality of hooks spaced apart from and secured to the top of the locating plate.
5. The three-coordinate bracket device for measuring the size of the multi-vehicle side wall part according to claim 1, wherein the positioning plate comprises four vertical positioning beams which are arranged at intervals along the length direction and respectively correspond to an A column, a B column, a C column and a D column of the single side wall assembly of the automobile, any one of the vertical positioning beams is vertically fixed on the supporting plate, and two transverse positioning beams are respectively connected with the top ends and the bottom ends of the four vertical positioning beams.
6. The three-coordinate bracket device for measuring the size of the side wall type parts of the multi-vehicle type according to claim 1, wherein at least two positioning modules are respectively arranged at two ends of the corresponding parts in any positioning compression unit, each positioning module comprises a positioning base which is arranged on one side surface of the positioning plate in a fitting mode and is detachably connected with the corresponding part, a positioning pedestal which is fixed on one side of the positioning base away from the positioning plate and extends outwards perpendicular to the plane where the positioning base is arranged, and a positioning pin which is fixed at the outer end part of the positioning pedestal and is opposite to a positioning hole in the corresponding part.
7. The three-dimensional bracket apparatus for measuring the dimensions of side wall parts of multiple vehicle types according to claim 1, wherein in the same pressing device, the frame of the first pressing mechanism is fixed on one side of the pressing block of the second pressing mechanism and is connected with the pressing block as a whole, the pressing block is hinged with the pressing pedestal through an adjusting knob, and the adjusting knob is used for limiting the relative rotation angle of the pressing block and the pressing pedestal.
8. The three-dimensional bracket apparatus for measuring the dimensions of side wall parts of multiple vehicle types according to claim 1, wherein the plurality of pressing devices respectively press surfaces arranged in different directions at edges of the corresponding parts, and the pressing direction of any pressing device is perpendicular to the corresponding pressing surface.

Description

Three-coordinate bracket equipment for measuring size of side wall parts of multiple vehicle types Technical Field The invention relates to the technical field of automobile part detection. More particularly, the invention relates to a three-coordinate bracket device for measuring the size of a multi-vehicle side wall part. Background Along with the continuous increase of the production capacity of automobiles in China, the demands of all large automobile main engine factories on automobile parts develop towards diversification, multiple types, multi-part integration and the like, and new tests are brought to the size detection precision, accuracy and detection efficiency of the automobile parts. The automobile side wall type part is an important component part of an automobile body system, three-coordinate measuring equipment with higher precision and accuracy is generally adopted for size detection, traditional three-coordinate measuring equipment is nonstandard equipment which is designed for detecting the fixed size of a single type part, when the type and the size of the part change, the special three-coordinate measuring equipment is required to be redesigned or a three-coordinate bracket is required to be replaced, so that the special three-coordinate measuring equipment can adapt to the positioning and measuring requirements of the changed part, a large number of detecting tools and tooling are required to be manufactured in the mode, the cost is higher, and the operation is complex when the three-coordinate bracket is replaced, so that the detection efficiency is greatly influenced. In order to solve the problems, a three-coordinate bracket device for measuring the sizes of side wall parts of multiple vehicle types needs to be designed, so that the measurement accuracy is ensured, and the size measurement efficiency of the side wall parts of different vehicle types is improved. Disclosure of Invention The invention aims to provide three-coordinate bracket equipment for measuring the sizes of side wall parts of multiple vehicle types, integrated positioning and mounting of various side wall parts are realized by matching an integral reference platform with a plurality of positioning and pressing units, any positioning and pressing unit adopts a modularized structure, positioning and pressing of different parts are flexibly realized by matching different types of positioning modules with pressing modules, and measurement can be completed without integrally replacing three-coordinate brackets when the types and sizes of the parts to be detected change, so that three-coordinate measurement efficiency is greatly improved. To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a three-coordinate bracket apparatus for measuring a size of a side wall type part of a multi-vehicle type, comprising: the reference platform comprises a positioning plate, a supporting plate and a supporting plate, wherein the positioning plate is a vertically arranged planar frame structure, and the shape of the positioning plate is matched with that of an automobile single-side-wall assembly; The device comprises a positioning plate, one or more positioning compression units, a plurality of compression modules and any compression module, wherein the positioning compression units are in one-to-one correspondence with a plurality of parts in an automobile single-side wall assembly, any one positioning compression unit comprises a positioning module which is arranged on the positioning plate in a corresponding manner with positioning holes on the corresponding parts and is detachably connected with the positioning plate, the positioning module is matched and clamped with the positioning holes on the corresponding parts through positioning pins, the compression modules are arranged on the positioning plate at intervals along the circumferential direction of the corresponding parts and are detachably connected with the positioning plate, any one compression module and the positioning module are positioned on the same side of the positioning plate, and the compression modules vertically compress the surfaces of edges of the corresponding parts relatively. Preferably, the three-coordinate bracket device for measuring the size of the multi-vehicle side wall part further comprises a plurality of moving units, wherein the moving units are arranged around the bottom of the supporting plate at intervals, any moving unit comprises universal wheels which are rotatably connected with the supporting plate through a rotating bracket, and a brake device is arranged on the universal wheels and used for limiting the rotating displacement of the universal wheels. Preferably, the three-coordinate bracket device for measuring the size of the side wall parts of the multi-vehicle type, the reference platform further comprises a plurality of groups of reinforcing ribs, wherein the reinforcing