CN114199100A - Comprehensive detection tool for front cover cap - Google Patents
Comprehensive detection tool for front cover cap Download PDFInfo
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- CN114199100A CN114199100A CN202111654589.3A CN202111654589A CN114199100A CN 114199100 A CN114199100 A CN 114199100A CN 202111654589 A CN202111654589 A CN 202111654589A CN 114199100 A CN114199100 A CN 114199100A
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- front cover
- bolts
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- 238000001514 detection method Methods 0.000 title claims abstract description 369
- 238000007689 inspection Methods 0.000 claims abstract description 16
- 230000007306 turnover Effects 0.000 claims description 31
- 230000003044 adaptive effect Effects 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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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
Abstract
The utility model provides a utensil is examined in synthesis of protecgulum, includes the base, be equipped with the equal altitude ring on the base, first, second flatness detection wall, fourth inspection hole, two fifth inspection holes to and two mount pads, it is first to articulate in proper order on each mount pad, second upset arm, still including leading to the no-go gage, still include a plurality of first, second, third, fourth, fifth detection bolt, still include oil blanket via hole detection socket, two VVT valve mounting hole detection sockets for carry out comprehensive testing to the protecgulum. The invention has simple structure, low processing cost and high integration level, and can effectively detect the front cover.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a comprehensive testing fixture for a front cover.
Background
Referring to fig. 1 and 2, a front cover assembly for an automobile is shown. A first flange plate (101) used for connecting an engine is formed on the back of a cover body of the engine, a plurality of first connecting holes (102) are formed on the first flange plate (101), a second flange plate (103) is formed at one end of the cover body and used for connecting an upper cover and provided with a plurality of second connecting holes (104), a mounting surface (105) with radian is formed at the other end of the cover body and provided with a plurality of third connecting holes (106), a plurality of thread mounting holes (107) are formed in the middle of the front surface of the cover body and used for mounting and connecting accessories through bolts, an oil seal via hole (108) is formed in the lower part of the cover body, two VVT valve mounting holes (109) are formed in the upper part of the cover body, three thread connecting holes (110) are formed in the periphery of the VVT valve mounting holes (109), a suspension surface (111) facing the VVT valve mounting holes is arranged between the VVT valve mounting holes (109) and the thread mounting holes (107), and a plurality of penetrating thread assembling holes (112) are formed in the suspension surface (111), for assembling the mounting bracket.
After the front cover is machined, the position degrees of a first flange (101), a second flange (103), a mounting surface (105), a suspension surface (111), each first connecting hole (102), each second connecting hole (104), each third connecting hole (106), each threaded mounting hole (107), each threaded connecting hole (110), each threaded mounting hole (112), each oil seal via hole (108) and each VVT valve mounting hole (109) need to be detected. At present, when the front cover with the structure is detected, multi-step detection is carried out, the detection cost is high, and the detection efficiency is low.
Therefore, how to design a detection tool with high integration and low detection cost is a problem to be urgently solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a comprehensive detection tool for a front cover cap, which is simple in structure, low in processing cost and high in integration level and can effectively detect the front cover cap, aiming at the defects of the prior art.
The technical scheme of the invention is as follows: a comprehensive detection tool for a front cover comprises a base, wherein an equal-height ring which is adaptive to a first flange of the front cover is arranged in the middle of the base, a first positioning pin which is adaptive to a first positioning hole in the first flange of the front cover and a second positioning pin which is adaptive to a second positioning hole in the first flange of the front cover are arranged on the equal-height ring, a plurality of first detection holes which are respectively corresponding to first connecting holes in the first flange of the front cover and have the aperture smaller than that of the first connecting holes are arranged on the equal-height ring, a first flatness detection wall and a second flatness detection wall are respectively arranged on the base, the extension shape of the first flatness detection wall is adaptive to the extension shape of a mounting surface and has a spacing distance of 5.0mm, a plurality of second detection holes are arranged on the first flatness detection wall, each second detection hole is a through hole and respectively corresponds to a third connecting hole in the mounting surface of the front cover, the aperture of the second detection hole is larger than that of the third connection hole, the extension shape of the second flatness detection wall is parallel to the second flange plate and has a spacing distance of 5.0mm, a plurality of third detection holes are arranged on the second flatness detection wall, each third detection hole is a through hole and corresponds to the second connection hole in the second flange plate of the front cover respectively, the aperture of the third detection hole is larger than that of the second connection hole, a fourth detection hole is arranged on the base and corresponds to the oil seal through hole of the front cover, the aperture of the fourth detection hole is smaller than that of the oil seal through hole, two fifth detection holes are arranged on the base and correspond to the VVT valve mounting holes of the front cover, the aperture of the fifth detection hole is smaller than that of the VVT valve mounting holes, a limiting block is arranged in each fifth detection hole, two mounting seats are arranged on the base, and a first overturning arm and a second overturning arm are sequentially hinged to the mounting seats, The second turnover arm is provided with a plurality of sixth detection holes, each sixth detection hole corresponds to a thread mounting hole on the front cover cap, one side surface of the second turnover arm and the suspension surface of the front cover cap are arranged in parallel and have a spacing distance of 5.0mm, the second turnover arm is provided with a plurality of seventh detection holes, each seventh detection hole is a through hole and is matched with a thread mounting hole on the suspension surface of the front cover cap, the aperture of the seventh detection hole is larger than that of the thread mounting hole, the second turnover arm further comprises a go-no go gauge, one end of the go-no go gauge is a go-no go gauge small-diameter section, the diameter of the go-no go gauge small-diameter section is 4.95mm, the other end of the go-no go gauge large-diameter section is 5.05mm, the second turnover arm further comprises a plurality of first detection bolts, and the number of the first detection bolts is matched with the number of the first detection holes, the first detection bolt is a three-stage stepped shaft, the small diameter section of the first detection bolt is matched with the aperture of the first connection hole, the first detection bolt also comprises a plurality of second detection bolts, the number of the second detection bolts is matched with the number of the second detection holes, the second detection bolts are three-stage stepped shafts, the small diameter section of the second detection bolts is matched with the aperture of the third connection hole, the diameter section of the third detection bolts is matched with the aperture of the second detection holes, the first detection bolts also comprise a plurality of third detection bolts, the number of the third detection bolts is matched with the number of the third detection holes, the third detection bolts are three-stage stepped shafts, the small diameter section of the third detection bolts is matched with the aperture of the second connection hole, the diameter section of the third detection bolts is matched with the aperture of the third detection holes, the fourth detection bolts are also comprises a plurality of fourth detection bolts, the number of the fourth detection bolts is matched with the number of the seventh detection holes, the fourth detection bolts are three-stage stepped shafts, the small diameter section of the fourth detection bolts is matched with the aperture of the threaded assembly holes, wherein the diameter section is adapted to the aperture of a seventh detection hole, the detection device also comprises a plurality of fifth detection bolts, the number of the fifth detection bolts is adapted to the number of the sixth detection holes, the fifth detection bolts are secondary stepped shafts, the large diameter section is provided with a ring groove, the large diameter section of each fifth detection bolt is in sliding fit in the sixth detection hole corresponding to the first turnover arm and is vertically distributed, and extends along the axial direction through the groove wall of the ring groove, the ring groove section of the fifth detection bolt above the first turnover arm is sleeved with a reset spring, the diameter of the small diameter section of the fifth detection bolt is adapted to the aperture of the threaded mounting hole, the detection device also comprises an oil seal through hole detection socket, the diameter of the oil seal through hole detection socket is adapted to the aperture of the oil seal through hole, the lower end of the oil seal through hole detection socket is provided with a first positioning column adapted to the fourth detection hole, and the upper end of the oil seal through hole detection socket is provided with a first handle, the detection socket comprises a VVT valve mounting hole and is characterized by further comprising two VVT valve mounting hole detection sockets, wherein the diameters of the VVT valve mounting hole detection sockets are matched with the aperture of the VVT valve mounting hole, three secondary detection bolts matched with corresponding threaded connection holes are arranged on the periphery of the VVT valve mounting hole detection sockets, a second positioning column is arranged at the lower end of the VVT valve mounting hole detection socket and is matched with a fifth detection hole, a limiting block matched with the fifth detection hole is arranged in the second positioning column, and a second handle is arranged at the upper end of the VVT valve mounting hole detection socket.
Handles are respectively arranged on two sides of the base.
The equal-height ring is of an annular structure formed by arranging and combining a plurality of equal-height blocks, each equal-height block is columnar and is provided with a counter bore, and each equal-height block penetrates through the counter bore through a bolt to be in threaded fit with the base to form detachable connection.
The first big footpath section that detects bolt, second detection bolt, third detection bolt, fourth detection bolt passes through screw-thread fit and links to each other with the well footpath section, and big footpath section adopts plastics to make, first handle, second handle pass through screw-thread fit to be fixed in the upper end that corresponds the detection socket, adopt plastics to make.
Lead to the no-go gage including pole portion to and set up at the logical no-go gage minor diameter section of pole portion one end, set up the logical no-go gage major diameter section at the pole portion other end, the transversal hexagonal prism form of personally submitting of pole portion, and the diameter that is the inscribed circle of hexagonal prism form pole portion is greater than the diameter that leads to the major diameter section of no-go gage, be equipped with the connecting seat on the base, this connecting seat passes through plastics and makes, and is equipped with first open slot on the connecting seat, and the lower part groove width of this first open slot is greater than the diameter of pole portion inscribed circle, is less than the diameter of pole portion circumscribed circle, and the upper portion groove width of this first open slot is less than the diameter of pole portion inscribed circle, lead to the no-go gage and pass through the lower part of pole portion joint at first open slot, form detachable connection.
The plug pin placing box is fixed on the base and located on the outer side of the equal-height ring.
The improved turnover mechanism is characterized in that a second open slot is formed in the mounting seat, the hinged end of the turnover arm is arranged in the second open slot and is hinged to the second open slot through a hinged column, the hinged column is located at the outer side open end of the second open slot, a thread locating hole is formed in the bottom of the second open slot and is located at the inner side open end of the second open slot, the locking mechanism is a locking bolt, and the locking bolt penetrates through the turnover arm to be locked in threaded fit with the thread locating hole.
The articulated end upper portion of upset arm is equipped with spacing tangent plane, and spacing tangent plane is 45 contained angles with the length direction of upset arm, be equipped with the stopper on the lateral surface of mount pad, the spacing tangent plane of upset arm cooperates with the last edge of stopper, and the initial point of injecing the upset arm outwards is the slant and extends.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the comprehensive detection tool for the front cover comprises a base. The middle part of the base is provided with an equal-height ring which is adaptive to the first flange of the front cover, the equal-height ring is provided with a first positioning pin adaptive to a first positioning hole on the first flange of the front cover and a second positioning pin adaptive to a second positioning hole on the first flange of the front cover, the front cover after being processed is supported on the equal-height ring through the first flange, and is inserted into the first positioning hole through the first positioning pin, the second positioning pin is inserted into the second positioning hole to form positioning, and meanwhile, the position degree of the first flange of the front cover is detected. The equal-height ring is provided with a plurality of first detection holes which correspond to the first connection holes in the first flange plate of the front cover respectively, and the aperture of each first detection hole is smaller than that of the corresponding first connection hole, namely, each first detection hole is aligned with the corresponding first connection hole. The base is provided with a first flatness detection wall and a second flatness detection wall respectively, the extension shape of the first flatness detection wall is matched with the extension shape of the mounting surface and has a spacing distance of 5.0mm, the first flatness detection wall is provided with a plurality of second detection holes, each second detection hole is a through hole and corresponds to a third connection hole on the mounting surface of the front cover respectively, and the aperture of each second detection hole is larger than that of the third connection hole, namely, each second detection hole is aligned with the third connection hole. The extension shape of the second flatness detection wall is parallel to the second flange plate and has a spacing distance of 5.0mm, a plurality of third detection holes are arranged on the second flatness detection wall, each third detection hole is a through hole and corresponds to the second connecting hole in the second flange plate of the front cover respectively, and the aperture of each third detection hole is larger than that of the second connecting hole, namely, each third detection hole is aligned with the second connecting hole. Still be equipped with the fourth inspection hole on the base, it is corresponding with the oil blanket via hole of front shroud, and the aperture of fourth inspection hole is less than the aperture of oil blanket via hole, promptly, the fourth inspection hole aligns with the oil blanket via hole. The base is further provided with two fifth detection holes corresponding to the VVT valve mounting holes of the front cover, the aperture of each fifth detection hole is smaller than that of the VVT valve mounting hole, and each fifth detection hole is provided with a limiting block, namely, each fifth detection hole is aligned with the corresponding VVT valve mounting hole. Still be equipped with two mount pads on the base, articulated in proper order on each mount pad sets up first upset arm, second upset arm, and the high ring such as the terminal point orientation of injecing the upset arm through locking mechanical system respectively is horizontal extension, promptly, the upset of each upset arm terminal point orientation high ring such as, and be the level form, is located the top of preceding shroud. The first turnover arm is provided with a plurality of sixth detection holes, and each sixth detection hole corresponds to a threaded mounting hole in the front cover cap, namely, each sixth detection hole is aligned with the corresponding threaded mounting hole. One side face of the second turnover arm and the suspension face of the front cover are arranged in parallel and have a spacing distance of 5.0mm, a plurality of seventh detection holes are formed in the second turnover arm, each seventh detection hole is a through hole and is matched with a threaded assembly hole in the suspension face of the front cover, and the aperture of each seventh detection hole is larger than that of the corresponding threaded assembly hole, namely, each seventh detection hole is aligned with the corresponding threaded assembly hole. Still include leading to the no-go gage, the one end that leads to the no-go gage is leading to the no-go gage path section, and its diameter is 4.95mm, and the other end is leading to the no-go gage path section, and its diameter is 5.05mm, utilizes leading to the no-go gage path section, leads to the no-go gage path section respectively with first flatness detection wall and install the clearance fit between the face, second flatness detection wall and the second ring flange between clearance fit, the clearance fit between second upset arm side and the suspension face, accomplishes the detection to front shroud installation face, second ring flange, suspension face position degree. Still include a plurality of first detection bolts, the quantity of first detection bolt suits with the quantity of first inspection hole, first detection bolt is tertiary step shaft, its path section suits with the aperture of first inspection hole, wherein the path section suits with the aperture of first connection hole, utilize the cooperation of the first connection hole on the path section of these first detection bolts and the preceding shroud, and the path section cooperates with the first inspection hole on the base simultaneously, accomplish the detection to each first connection hole on the front shroud. The detection device is characterized by further comprising a plurality of second detection bolts, wherein the number of the second detection bolts is matched with the number of the second detection holes, the second detection bolts are three-level stepped shafts, small-diameter sections of the second detection bolts are matched with the aperture of the third connection hole, the diameter sections of the second detection bolts are matched with the aperture of the second detection holes, the middle-diameter sections of the second detection bolts are matched with the second detection holes, and the small-diameter sections are matched with the third connection hole in the front cover at the same time, so that the detection of the third connection hole in the front cover is completed. The detection device is characterized by further comprising a plurality of third detection bolts, wherein the number of the third detection bolts is matched with that of the third detection holes, the third detection bolts are three-stage stepped shafts, small-diameter sections of the third detection bolts are matched with the aperture of the second connection hole, the diameter sections of the third detection bolts are matched with the aperture of the third detection holes, the small-diameter sections of the third detection bolts are matched with the third detection holes, and the small-diameter sections are matched with the second connection hole in the front cover at the same time to complete detection of the second connection hole in the front cover. Still include a plurality of fourth detection bolts, the quantity that the fourth detected the bolt suits with the quantity of seventh inspection hole, the fourth detects the bolt and is tertiary stepped shaft, its path section suits with the aperture of screw thread pilot hole, wherein the path section suits with the aperture of seventh inspection hole, utilize the well path section and the cooperation of seventh inspection hole of these fourth detection bolts, and the path section cooperates with the screw thread pilot hole simultaneously, accomplish the detection to the screw thread pilot hole on the protecgulum cover. The detection device also comprises a plurality of fifth detection bolts, the number of the fifth detection bolts is adapted to the number of the sixth detection holes, the fifth detection bolts are two-stage stepped shafts, the large-diameter sections are provided with annular grooves, the large-diameter sections of the fifth detection bolts are in sliding fit in the sixth detection holes corresponding to the first turnover arms and are vertically distributed and extend along the axial direction through the groove walls of the annular grooves, the annular groove sections of the fifth detection bolts above the first turnover arms are sleeved with return springs, the small-diameter sections of the fifth detection bolts are adapted to the diameters of the threaded mounting holes, after the first turnover arms are turned over and positioned, the fifth detection bolts are manually pressed downwards in sequence, the small-diameter sections of the fifth detection bolts are matched with the corresponding threaded mounting holes to complete the detection of the position degrees of the threaded mounting holes, and after the detection is finished, the fifth detection bolts automatically return under the action of the return springs, and the manual labor intensity can be effectively reduced, and the front cover cap is convenient to mount and dismount. Still include oil blanket via hole detection socket, the diameter that oil blanket via hole detection socket suits with the aperture of oil blanket via hole, and the lower extreme that oil blanket via hole detected the socket sets up first reference column, suits with the fourth detection hole, and the upper end that this oil blanket via hole detected the socket sets up first handle, utilizes oil blanket via hole detection socket and oil blanket via hole cooperation, and first reference column cooperates with the fourth detection hole simultaneously, accomplishes the position degree detection to the oil blanket via hole. The detection device is characterized by further comprising two VVT valve mounting hole detection sockets, the diameters of the VVT valve mounting hole detection sockets are adaptive to the hole diameters of the VVT valve mounting holes, three secondary detection bolts adaptive to corresponding threaded connection holes are arranged on the peripheries of the VVT valve mounting hole detection sockets, a second positioning column is arranged at the lower end of each VVT valve mounting hole detection socket and is adaptive to a fifth detection hole, and the detection device is provided with a notch adaptive to a limiting block in the fifth detection hole, a second handle is arranged at the upper end of each VVT valve mounting hole detection socket, the VVT valve mounting hole detection sockets are matched with the VVT valve mounting holes, the secondary detection bolts are matched with corresponding threaded connection holes, the secondary detection bolts are circumferentially and limitedly arranged in the fifth detection hole through the second positioning columns, and detection on the position degrees of the VVT valve mounting holes and the threaded connection holes is completed simultaneously.
2. The equal-height ring is of an annular structure formed by arranging and combining a plurality of equal-height blocks, each equal-height block is cylindrical and is provided with a counter bore, each equal-height block penetrates through the counter bore through a bolt to be in threaded fit with the base to form detachable connection, on the basis of ensuring the detection of the position degree of the first flange plate of the front cover, the processing cost and the processing difficulty of the equal-height ring can be effectively reduced, and the equal-height ring is very convenient to install and detach.
3. The first big footpath section that detects bolt, second detection bolt, third detection bolt, fourth detection bolt passes through screw-thread fit and links to each other with the well footpath section, and big footpath section adopts plastics to make, first handle, second handle pass through screw-thread fit to be fixed in the upper end that corresponds the detection socket, adopt plastics to make, on the basis of guaranteeing each detection bolt, the detection precision that detects the socket, can effectively reduce each detection bolt, the processing cost who detects the socket.
4. Lead to the no-go gage including pole portion to and set up at the logical no-go gage minor diameter section of pole portion one end, set up the logical no-go gage major diameter section at the pole portion other end, the transversal hexagonal prism form of personally submitting of pole portion, and the diameter that is the inscribed circle of hexagonal prism form pole portion is greater than the diameter that leads to the no-go gage major diameter section, be equipped with the connecting seat on the base, this connecting seat passes through plastics and makes, and is equipped with first open slot on the connecting seat, and the lower part groove width of this first open slot is greater than the diameter of pole portion inscribed circle, is less than the diameter of pole portion circumscribed circle, and the upper portion groove width of this first open slot is less than the diameter of pole portion inscribed circle, lead to the no-go gage and pass through the lower part of pole portion joint at first open slot, form detachable connection, on the basis that improves the integrated level, can effectively reduce the risk that leads to the loss of no-go to the no-go gage.
5. The hinged end upper portion of upset arm is equipped with spacing tangent plane, and spacing tangent plane is 45 contained angles with the length direction of upset arm, be equipped with the stopper on the lateral surface of mount pad, the spacing tangent plane of upset arm and the cooperation of going up of stopper, the initial point of injecing the upset arm outwards is the slant and extends, avoids these upset arms and the front shroud that waits to detect to take place to interfere, and installation, dismantlement front shroud only need one can accomplish, has effectively reduced the cost of labor in addition.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic structural view (front side) of a front cover in the prior art;
FIG. 2 is a perspective view (back side) of a front cover in the prior art;
FIG. 3 is a schematic perspective view of the integrated gauge of the present invention (omitting a VVT valve mounting hole detection socket);
fig. 4 is a schematic structural diagram of the comprehensive testing fixture (omitting a VVT valve mounting hole detection socket).
In the drawings, 1 is a base, 2 is an equal-height ring, 3 is a first positioning pin, 4 is a second positioning pin, 5 is a first detecting hole, 6 is a first flatness detecting wall, 7 is a second flatness detecting wall, 8 is a second detecting hole, 9 is a third detecting hole, 10 is a fourth detecting hole, 11 is a fifth detecting hole, 12 is a mounting seat, 13 is a first turning arm, 14 is a second turning arm, 15 is a locking mechanism, 16 is a sixth detecting hole, 17 is a seventh detecting hole, 18 is a go-no go gauge, 18a is a go-no go gauge small diameter section, 18b is a go-no go gauge large diameter section, 19 is a first detecting pin, 20 is a second detecting pin, 21 is a third detecting pin, 22 is a fourth detecting pin, 23 is a fifth detecting pin, 24 is a return spring, 25 is an oil seal through hole detecting socket, vv26 is a t valve mounting hole detecting socket, 27 is a secondary detecting pin, 28 is a handle, 29 is a connecting seat, and 30 is a bolt placing box.
Detailed Description
Referring to fig. 3 and 4, a specific embodiment of a comprehensive testing fixture for a front cover is shown. The comprehensive detection tool for the front cover comprises a base 1, wherein the base is of a rectangular block structure, handles 28 are arranged on two short edges of the base of the rectangular block structure respectively, and six foot pads are arranged on the bottom surface of the base and distributed in a 2 x 3 rectangular shape. The middle part of the base 1 is provided with an equal-height ring 2 which is adaptive to a first flange of a front cover, the equal-height ring 2 is provided with a first positioning pin 3 which is adaptive to a first positioning hole on the first flange of the front cover and a second positioning pin 4 which is adaptive to a second positioning hole on the first flange of the front cover, the equal-height ring 2 is provided with a plurality of first detection holes 5 which are respectively corresponding to first connecting holes on the first flange of the front cover, and the aperture of the first detection holes 5 is smaller than that of the first connecting holes, in the embodiment, the equal-height ring 2 is of an annular structure formed by arranging and combining a plurality of equal-height blocks, each equal-height block is of a column shape and is provided with a counter bore, and each equal-height block passes through the counter bore through a bolt to be matched with the base through a thread to form detachable connection. The base 1 is provided with a first flatness detection wall 6 and a second flatness detection wall 7 respectively, the first flatness detection wall 6 is arranged on the left side of the base, the extending shape of the first flatness detection wall is matched with the extending shape of the mounting surface, the first flatness detection wall is provided with a plurality of second detection holes 8, each second detection hole 8 is a through hole and corresponds to a third connection hole on the mounting surface of the front cover respectively, and the aperture of each second detection hole 8 is larger than that of the third connection hole. The second flatness detection wall 7 is arranged on the right side of the base, the extension shape of the second flatness detection wall is parallel to the second flange plate, the second flatness detection wall is provided with a plurality of third detection holes 9, each third detection hole 9 is a through hole and corresponds to a second connection hole in the second flange plate of the front cover respectively, and the aperture of each third detection hole 9 is larger than that of the second connection hole. And a fourth detection hole 10 is also formed in the base 1 and corresponds to the oil seal through hole of the front cover, and the aperture of the fourth detection hole 10 is smaller than that of the oil seal through hole. The base 1 is further provided with two fifth detection holes 11 corresponding to the VVT valve mounting holes of the front cover, the aperture of each fifth detection hole 11 is smaller than that of the VVT valve mounting hole, and each fifth detection hole 11 is provided with a limiting block. The base 1 is further provided with two installation bases 12, each installation base 12 is sequentially hinged with a first overturning arm 13 and a second overturning arm 14, and the end points of the overturning arms are limited by a locking mechanism 15 to extend horizontally towards the equal-height ring 2, in the embodiment, the installation bases 12 are provided with second open slots, hinged ends of the overturning arms are arranged in the second open slots and are hinged and connected through hinge posts, the hinge posts are positioned at the outer open ends of the second open slots, the bottoms of the second open slots are provided with threaded positioning holes and positioned at the inner open ends of the second open slots, the locking mechanisms are locking bolts, the locking bolts penetrate through the overturning arms and are in threaded fit with the threaded positioning holes to form locking, the upper parts of the hinged ends of the overturning arms are provided with limiting tangent planes, the limiting tangent planes and the length directions of the overturning arms form an included angle of 45 degrees, the outer side faces of the installation bases are provided with limiting blocks, and the limiting tangent planes of the overturning arms are matched with the upper edges of the limiting blocks, the starting point of the limiting overturning arm extends outwards and obliquely upwards. The first turning arm 13 is provided with a plurality of sixth detection holes 16, and each sixth detection hole 16 corresponds to a threaded mounting hole on the front cover. One side face of the second turnover arm 14 and the suspension face of the front cover are arranged in parallel and have a spacing distance of 5.0mm, a plurality of seventh detection holes 17 are formed in the second turnover arm 14, each seventh detection hole 17 is a through hole and is matched with a thread assembly hole in the suspension face of the front cover, and the aperture of each seventh detection hole 17 is larger than that of the thread assembly hole. The diameter of the small-diameter section 18a of the go-no-go gauge is 4.95mm, the diameter of the large-diameter section 18b of the go-no-go gauge is 5.05mm, in the embodiment, the go-no-go gauge 18 comprises a rod part, the small-diameter section 18a of the go-no-go gauge arranged at one end of the rod part and the large-diameter section 18b of the go-no-go gauge arranged at the other end of the rod part, the cross section of the rod part is hexagonal prism-shaped, the diameter of an inscribed circle of the hexagonal prism-shaped rod part is larger than that of the large-diameter section of the go-no-go gauge, the base is provided with a connecting seat 29 which is made of plastic and is provided with a first open slot, the width of the lower part of the first open slot is larger than that of the inscribed circle of the rod part and smaller than that of an circumscribed rod part, the width of the upper part of the first open slot is smaller than that of the inscribed circle of the rod part, the go-no-go gauge is clamped at the lower part of the first open slot, forming a detachable connection. Also comprises a plurality of first detection bolts 19, the number of the first detection bolts 19 is adapted to the number of the first detection holes 5, the first detection bolts 19 are three-stage stepped shafts, the small diameter section of each first detection bolt is adapted to the aperture of the first detection hole, the diameter section of each first detection bolt is adapted to the aperture of the first connection hole, the second detection bolts 20 are also provided, the number of the second detection bolts 20 is adapted to the number of the second detection holes 8, the second detection bolts 20 are three-stage stepped shafts, the small diameter section of each second detection bolt is adapted to the aperture of the third connection hole, the diameter section of each second detection bolt is adapted to the aperture of the second detection hole 8, the third detection bolts 21 are also provided, the number of the third detection bolts 21 is adapted to the number of the third detection holes 9, the third detection bolts 21 are three-stage stepped shafts, the small diameter section of each third detection bolt is adapted to the aperture of the second connection hole, and the diameter section of each third detection bolt is adapted to the aperture of the third detection hole 9, the detection device also comprises a plurality of fourth detection bolts 22, the number of the fourth detection bolts 22 is matched with the number of the seventh detection holes 17, the fourth detection bolts 22 are three-stage stepped shafts, the small-diameter sections of the fourth detection bolts 22 are matched with the apertures of the threaded assembly holes, the diameter sections of the fourth detection bolts are matched with the apertures of the seventh detection holes 17, the detection device also comprises a plurality of fifth detection bolts 23, the number of the fifth detection bolts 23 is matched with the number of the sixth detection holes 16, the fifth detection bolts 23 are two-stage stepped shafts, annular grooves are arranged on the large-diameter sections, the large-diameter sections of the fifth detection bolts 23 are in sliding fit in the sixth detection holes 16 corresponding to the first turnover arms 13 and are vertically distributed, the groove walls of the annular grooves extend along the axial direction, return springs 24 are sleeved on the annular groove sections of the fifth detection bolts 23 positioned above the first turnover arms, the small-diameter sections of the fifth detection bolts 23 are matched with the apertures of the threaded mounting holes, and the detection socket 25 is also included, the diameter of the oil seal via hole detection socket 25 is adapted to the aperture of the oil seal via hole, the lower end of the oil seal via hole detection socket 25 is provided with a first positioning column adapted to the fourth detection hole 10, the upper end of the oil seal via hole detection socket 25 is provided with a first handle, the oil seal via hole detection socket further comprises two VVT valve mounting hole detection sockets 26, the diameter of the VVT valve mounting hole detection socket 26 is adapted to the aperture of the VVT valve mounting hole, the periphery of the VVT valve mounting hole detection socket 26 is provided with three secondary detection bolts 27 adapted to corresponding threaded connection holes, the lower end of the VVT valve mounting hole detection socket 26 is provided with a second positioning column adapted to the fifth detection hole 11 and provided with a notch adapted to a limit block in the fifth detection hole, the upper end of the VVT valve mounting hole detection socket 26 is provided with a second handle, and particularly, in order to reduce the cost, the first detection bolt, the second detection bolt are arranged, The big footpath section that third detected bolt, fourth detected the bolt links to each other with the well footpath section through screw-thread fit, and big footpath section adopts plastics to make, first handle, second handle are fixed in the upper end that corresponds the detection socket through screw-thread fit, adopt plastics to make.
In order to conveniently accommodate the detection bolts, the detection device further comprises a bolt placing box 30, and the bolt placing box is fixed on the base and located on the outer side of the equal-height ring.
The working principle of the invention is that the processed front cover is supported on the equal-height ring through the first flange plate and is positioned through the first positioning pin and the second positioning pin, so that the mounting surface of the front cover corresponds to the first flatness detection wall and has a spacing distance, the second flange plate of the front cover corresponds to the second flatness detection wall and has a spacing distance, the front cover is stable and does not shake, and the first flange plate is processed to be qualified. Utilize first detection bolt to pass the first connecting hole that corresponds on the front shroud, if the path section of first detection bolt can insert corresponding first detection hole smoothly, then the first connecting hole processing of correspondence is qualified. And the second detection bolt penetrates through the second detection hole, and the small-diameter section can be smoothly inserted into the corresponding third connection hole, so that the corresponding third connection hole is processed to be qualified. And the third detection bolt penetrates through the third detection hole, and the small-diameter section can be smoothly inserted into the corresponding second connection hole, so that the corresponding second connection hole is processed to be qualified. Utilize oil blanket via hole to detect socket and oil blanket via hole cooperation, and first reference column can insert the fourth inspection hole smoothly, then oil blanket via hole processing is qualified. Utilize VVT valve mounting hole to detect socket and VVT valve mounting hole cooperation, and the second reference column can insert the fifth detection hole smoothly, secondary detection bolt can insert corresponding threaded connection hole smoothly, then VVT valve mounting hole, threaded connection hole processing are qualified. And the first turnover arm is turned to the termination point and locked, each fifth detection bolt is manually pressed downwards in sequence, and the small-diameter section of each fifth detection bolt is matched with the corresponding threaded mounting hole to complete the detection of the position degree of each threaded mounting hole. And the second overturning arm is overturned to a termination point and locked, and the detection of the position degrees of the front cover mounting surface, the second flange plate and the suspension surface is sequentially finished by utilizing the clearance fit between the through-and-out gauge small-diameter section and the through-and-out gauge large-diameter section and the first flatness detection wall and the mounting surface, the clearance fit between the second flatness detection wall and the second flange plate, and the clearance fit between the side surface of the second overturning arm and the suspension surface. Utilize the fourth to detect the bolt and pass the cooperation of seventh inspection hole, and the path section can insert corresponding screw assembly hole smoothly, then the screw assembly hole processing that corresponds is qualified.
After the detection is finished, the first overturning arm and the second overturning arm reset, and then the detected front cover cap can be taken down to detect the next product.
Claims (8)
1. The utility model provides a comprehensive utensil of examining of front shroud which characterized in that: comprises a base (1),
the middle part of the base (1) is provided with an equal-height ring (2) which is adaptive to the first flange of the front cover, the equal-height ring (2) is provided with a first positioning pin (3) which is adaptive to a first positioning hole on the first flange of the front cover and a second positioning pin (4) which is adaptive to a second positioning hole on the first flange of the front cover, the equal-height ring (2) is provided with a plurality of first detection holes (5) which are respectively corresponding to first connecting holes on the first flange of the front cover, and the aperture of the first detection holes (5) is smaller than that of the first connecting holes,
a first flatness detection wall (6) and a second flatness detection wall (7) are respectively arranged on the base (1),
the extension shape of the first flatness detection wall (6) is adapted to the extension shape of the mounting surface and has a spacing distance of 5.0mm, a plurality of second detection holes (8) are arranged on the first flatness detection wall (6), each second detection hole (8) is a through hole and respectively corresponds to a third connecting hole on the mounting surface of the front cover, the aperture of each second detection hole (8) is larger than that of the corresponding third connecting hole,
the extension shape of the second flatness detection wall (7) is parallel to the second flange plate and has a spacing distance of 5.0mm, a plurality of third detection holes (9) are arranged on the second flatness detection wall (7), each third detection hole (9) is a through hole and respectively corresponds to the second connecting hole on the second flange plate of the front cover, the aperture of each third detection hole (9) is larger than that of the second connecting hole,
the base (1) is also provided with a fourth detection hole (10) corresponding to the oil seal through hole of the front cover, the aperture of the fourth detection hole (10) is smaller than that of the oil seal through hole,
the base (1) is also provided with two fifth detection holes (11) which correspond to the VVT valve mounting holes of the front cover, the aperture of each fifth detection hole (11) is smaller than that of the VVT valve mounting hole, each fifth detection hole (11) is provided with a limit block,
the base (1) is also provided with two mounting seats (12), each mounting seat (12) is sequentially hinged with a first turnover arm (13) and a second turnover arm (14), the end points of the turnover arms are limited by a locking mechanism (15) to horizontally extend towards the equal-height ring (2),
a plurality of sixth detection holes (16) are arranged on the first turnover arm (13), each sixth detection hole (16) is respectively corresponding to the threaded mounting hole on the front cover cap,
one side face of the second turnover arm (14) is arranged in parallel with the suspension face of the front cover and has a spacing distance of 5.0mm, a plurality of seventh detection holes (17) are arranged on the second turnover arm (14), each seventh detection hole (17) is a through hole and is matched with a thread assembly hole on the suspension face of the front cover, the aperture of each seventh detection hole (17) is larger than that of the thread assembly hole,
the device also comprises a go-no go gauge (18), one end of the go-no go gauge (18) is a small-diameter section (18a) of the go-no go gauge, the diameter of the go-no go gauge is 4.95mm, the other end of the go-no go gauge is a large-diameter section (18b) of the go-no go gauge, the diameter of the go-no go gauge is 5.05mm,
also comprises a plurality of first detection bolts (19), the number of the first detection bolts (19) is adapted to the number of the first detection holes (5), the first detection bolts (19) are three-stage stepped shafts, the small diameter section of each first detection bolt is adapted to the aperture of the corresponding first detection hole, the diameter section of each first detection bolt is adapted to the aperture of the corresponding first connection hole,
also comprises a plurality of second detection bolts (20), the number of the second detection bolts (20) is adapted to the number of the second detection holes (8), the second detection bolts (20) are three-stage stepped shafts, the small diameter section of each second detection bolt is adapted to the aperture of the third connecting hole, the diameter section is adapted to the aperture of the second detection hole (8),
also comprises a plurality of third detection bolts (21), the number of the third detection bolts (21) is adapted to the number of the third detection holes (9), the third detection bolts (21) are three-stage stepped shafts, the small diameter section of each third detection bolt is adapted to the aperture of the second connecting hole, the diameter section is adapted to the aperture of the third detection hole (9),
also comprises a plurality of fourth detection bolts (22), the number of the fourth detection bolts (22) is adapted to the number of the seventh detection holes (17), the fourth detection bolts (22) are three-stage stepped shafts, the small diameter section of each fourth detection bolt is adapted to the aperture of the corresponding threaded assembly hole, the diameter section of each fourth detection bolt is adapted to the aperture of the corresponding seventh detection hole (17),
the detection device also comprises a plurality of fifth detection bolts (23), the number of the fifth detection bolts (23) is adapted to the number of the sixth detection holes (16), the fifth detection bolts (23) are two-stage stepped shafts, the large-diameter sections are provided with annular grooves, the large-diameter sections of the fifth detection bolts (23) are in sliding fit in the sixth detection holes (16) corresponding to the first turning arm (13) and are vertically distributed, and extend along the axial direction through the groove walls of the annular grooves, the annular groove section of the fifth detection bolts (23) above the first turning arm is sleeved with a return spring (24), the diameter of the small-diameter section of the fifth detection bolts (23) is adapted to the aperture of the threaded mounting hole,
the device also comprises an oil seal via hole detection socket (25), the diameter of the oil seal via hole detection socket (25) is matched with the aperture of an oil seal via hole, the lower end of the oil seal via hole detection socket (25) is provided with a first positioning column which is matched with a fourth detection hole (10), the upper end of the oil seal via hole detection socket (25) is provided with a first handle,
still include two VVT valve mounting holes and detect socket (26), the diameter that VVT valve mounting hole detected socket (26) suits with the aperture of VVT valve mounting hole, the periphery that VVT valve mounting hole detected socket (26) is equipped with three and secondary that the threaded connection hole that corresponds suits detects bolt (27), the lower extreme that VVT valve mounting hole detected socket (26) sets up the second reference column, suit with fifth inspection hole (11), and be equipped with the cut of stopper looks adaptation in the fifth inspection hole and lack, the upper end that VVT valve mounting hole detected socket (26) sets up the second handle.
2. The comprehensive test tool for the front cover according to claim 1, wherein: handles (28) are respectively arranged on two sides of the base (1).
3. The comprehensive test tool for the front cover according to claim 1, wherein: the equal-height ring (2) is of an annular structure formed by arranging and combining a plurality of equal-height blocks, each equal-height block is columnar and is provided with a counter bore, and each equal-height block penetrates through the counter bore through a bolt to be in threaded fit with the base to form detachable connection.
4. The comprehensive test tool for the front cover according to claim 1, wherein: the first big footpath section that detects bolt, second detection bolt, third detection bolt, fourth detection bolt passes through screw-thread fit and links to each other with the well footpath section, and big footpath section adopts plastics to make, first handle, second handle pass through screw-thread fit to be fixed in the upper end that corresponds the detection socket, adopt plastics to make.
5. The comprehensive test tool for the front cover according to claim 1, wherein: lead to no-go gage (18) including pole portion to and set up at the logical no-go gage minor diameter section (18a) of pole portion one end, set up the big footpath section (18b) of leading to the no-go gage of the pole portion other end, the transversal hexagonal prism form of personally submitting of pole portion, and the diameter that is the inscribed circle of hexagonal prism form pole portion is greater than the diameter that leads to the big footpath section of no-go gage, be equipped with connecting seat (29) on the base, this connecting seat passes through plastics and makes, and is equipped with first open slot on the connecting seat, and the lower part groove width of this first open slot is greater than the diameter of pole portion inscribed circle, is less than the diameter of the external circle of pole portion, and the upper portion groove width of this first open slot is less than the diameter of pole portion inscribed circle, lead to the no-go gage and pass through the lower part of pole portion joint at first open slot, form detachable connection.
6. The comprehensive test tool for the front cover according to claim 1, wherein: the plug-pin placing box (30) is further included, and the plug-pin placing box is fixed on the base and located on the outer side of the equal-height ring.
7. The comprehensive test tool for the front cover according to claim 1, wherein: be equipped with the second open slot on mount pad (12), the hinged end setting of upset arm is in the second open slot, and links to each other through the hinge post is articulated, and the hinge post is located the outside open end of second open slot, and the tank bottom of second open slot sets up a screw thread locating hole, is located the inboard open end of second open slot, locking mechanical system is the locking bolt, the locking bolt passes upset arm and forms the locking with screw thread locating hole screw-thread fit.
8. The integrated front cover inspection device of claim 7, wherein: the upper portion of the hinged end of the turnover arm is provided with a limiting tangent plane, the limiting tangent plane and the length direction of the turnover arm form an included angle of 45 degrees, the outer side face of the mounting seat is provided with a limiting block, the limiting tangent plane of the turnover arm is matched with the upper edge of the limiting block, and the initial point of the limiting turnover arm extends obliquely upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654589.3A CN114199100B (en) | 2021-12-30 | 2021-12-30 | Comprehensive detection tool for front cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654589.3A CN114199100B (en) | 2021-12-30 | 2021-12-30 | Comprehensive detection tool for front cover |
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| CN114199100A true CN114199100A (en) | 2022-03-18 |
| CN114199100B CN114199100B (en) | 2023-12-26 |
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| JP2008026276A (en) * | 2006-07-25 | 2008-02-07 | Nanya Seisakusho:Kk | Coordinate detector for measuring position degree, and position degree measuring system |
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| CN105066829A (en) * | 2015-08-24 | 2015-11-18 | 丹阳金城配件有限公司 | Automobile front wheel cover detection device |
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| US20200141712A1 (en) * | 2018-11-06 | 2020-05-07 | Citic Dicastal Co., Ltd | Wheel comprehensive detecting device |
| CN211401006U (en) * | 2020-01-01 | 2020-09-01 | 佛山市立锦机电有限公司 | Automobile engine hood inner plate detection tool |
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2021
- 2021-12-30 CN CN202111654589.3A patent/CN114199100B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008026276A (en) * | 2006-07-25 | 2008-02-07 | Nanya Seisakusho:Kk | Coordinate detector for measuring position degree, and position degree measuring system |
| CN101907431A (en) * | 2010-07-29 | 2010-12-08 | 广东鸿特精密技术股份有限公司 | Hole position comprehensive check tool with auxiliary measuring block |
| CN105066829A (en) * | 2015-08-24 | 2015-11-18 | 丹阳金城配件有限公司 | Automobile front wheel cover detection device |
| CN105091701A (en) * | 2015-08-24 | 2015-11-25 | 丹阳金城配件有限公司 | Engine protective cover assembly detection tool for automobiles |
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| CN114199100B (en) | 2023-12-26 |
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