CN215575722U

CN215575722U - Novel leak protection detection mechanism

Info

Publication number: CN215575722U
Application number: CN202122147124.0U
Authority: CN
Inventors: 王长土
Original assignee: Wuhan Changhua Changyuan Auto Parts Co ltd
Current assignee: Wuhan Changhua Changyuan Auto Parts Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-18
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a novel leakage-proof detection mechanism, which comprises: the device comprises a bottom plate, a positioning bracket, a positioning pin, a detection mechanism and a workpiece to be detected; two groups of positioning supports for supporting the workpiece to be detected are fixed on the bottom plate by using bolts, positioning pins are respectively fixed on the two groups of positioning supports, and the positioning pin on each group of positioning supports is respectively used for being placed into the positioning hole on the workpiece to be detected to position the workpiece; four groups of detection mechanisms which have the capability of detecting the nut piece on the workpiece to be detected and also have the capability of clamping and fixing the workpiece to be detected are fixed on the bottom plate by using bolts, and each detection mechanism comprises a detection support, a fixed support, a deflection frame, a connecting frame, a hydraulic rod, a first hinged support, a second hinged support, a clamping support and a pen-shaped air cylinder detector; the utility model has the beneficial effects that: compared with manual detection, the detection efficiency is higher, the detection result is more accurate, detection omission is avoided, and the process time is saved.

Description

Novel leak protection detection mechanism

Technical Field

The utility model relates to the technical field of detection, in particular to a novel leakage-proof detection mechanism.

Background

The floor beam in the automobile is used as an important group of surface sheet metal parts on the automobile, the surface sheet metal parts are used for connecting the front floor and the rear floor of the automobile and protecting a chassis of the automobile, nut parts used for fixing workpieces of the floor beam in the automobile or connecting other parts are arranged on the floor beam in the automobile, the nut parts are of a flat plate structure, threaded holes or cylinders containing the threaded holes are directly arranged on the nut parts, the nut parts are concentrically arranged on the inner side or the outer side of hole positions reserved for the nut parts on the workpieces to be detected in a welding or bolt fixing mode (the threaded holes and the reserved holes are concentric), the nut parts are generally detected after the floor beam in the automobile is produced, and the subsequent problems that the floor beam in the automobile is fixed or connected with other parts due to the loss of the nut parts, the hole diameter of the threaded holes of the nut parts is larger, the hole diameter of the threaded holes of the nut parts is smaller, the hole deviation of the threaded holes of the nut parts and the like are prevented, however, most of the existing detection of the nut members on the floor cross beam in the automobile depends on manual detection, the detection efficiency is low, the detection precision is low, especially for the deviation of the threaded holes of the nut members, the manual detection is very troublesome, multi-direction comparison reference is needed, and detection omission is easily caused.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a new leak-proof detection mechanism to solve the above mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a novel leak protection detection mechanism, includes: the device comprises a bottom plate, a positioning bracket, a positioning pin, a detection mechanism and a workpiece to be detected; the workpiece to be detected is a workpiece of a floor cross beam in an automobile to be detected, two positioning holes for positioning and four nut members for fixing or connecting other parts on the workpiece of the floor cross beam in the automobile are arranged on the workpiece to be detected, the nut members are of a flat plate structure, threaded holes or cylinders containing the threaded holes are directly arranged on the nut members, the nut members are concentrically arranged on the inner side or the outer side of the hole positions reserved for the nut members in a welding or bolt fixing mode (the threaded holes and the reserved holes are concentric), the bottom plate is of a horizontal metal flat plate structure, two groups of positioning supports for supporting the workpiece to be detected are fixed on the bottom plate through bolts, two groups of positioning supports are respectively and fixedly provided with a positioning pin, and the positioning pin on each group of the positioning supports is respectively used for being placed into the positioning hole on the workpiece to be detected to position the workpiece; four groups of detection mechanisms which have the capability of detecting the nut piece on the workpiece to be detected and also have the capability of clamping and fixing the workpiece to be detected are fixed on the bottom plate by bolts, and each detection mechanism comprises a detection support, a fixed support, a deflection frame, a connecting frame, a hydraulic rod, a first hinged support, a second hinged support, a clamping support and a pen-shaped air cylinder detector.

Preferably, in the detection mechanism, the bottom of the detection bracket is fixed on the bottom plate, the top end of the detection bracket is fixed with a fixing frame with a plate-shaped structure, the deflection frame is a strip-shaped plate-shaped structure, two connecting frames with structures are fixed on the deflection frame through bolts, the connecting frames are clamped on two sides of the fixed frame through shaft rods, the deflection frame forms a deflection pair through the connecting frames and the fixed frame, a second hinged support of a hinged support structure is arranged on the side surface of the fixed end of the hydraulic rod, a first hinged support of the hinged support structure is arranged at the end part of the extending end of the hydraulic rod, one side of the fixed mount is provided with a convex structure which is hinged with the second hinged support through a shaft lever, the hydraulic rod forms a rotating pair with the fixed mount through the second hinged support, one end of the deflection frame, which is close to the second hinged support, is hinged with the first hinged support through a shaft rod, and the hydraulic rod forms a rotating pair through the first hinged support and the deflection frame.

Preferably, in the detection mechanism, a common groove is formed in one side of the fixed frame and one side of the deflection frame, which are far away from the second hinged support, and two groups of clamping supports are fixed on the fixed frame and the deflection frame respectively at the upper side and the lower side of the groove; the clamping support on the fixed frame and the clamping support on the deflection frame meet the requirement on the outer contour when clamping, and after the workpiece to be measured is positioned by the positioning pin, the clamping support on the fixed frame and the clamping support on the deflection frame can just clamp and fix part of the workpiece to be measured between the clamping support on the fixed frame and the clamping support on the deflection frame.

Preferably, a pen-shaped air cylinder detector is fixed at one end, far away from the first hinged support, of the deflection frame in the detection mechanism, and the telescopic detection end of the pen-shaped air cylinder detector is divided into two sections, namely a large-diameter section and a small-diameter section; the diameter of the small-diameter section is smaller than that of the threaded hole in the nut piece.

Preferably, the detection support main body is an L-shaped vertical support structure formed by vertically splicing two flat plates, and the two flat plates are reinforced and fixed by reinforcing ribs.

Compared with the prior art, the utility model has the beneficial effects that: the extension of the pen-shaped air cylinder detector is controlled by an external controller to detect the nut, the detection principle is the analysis and the judgment of the extension stroke of the pen-shaped air cylinder detector, and the simple analysis and the judgment of the penetrating form of the threaded hole on the nut are carried out on the extension end of the pen-shaped air cylinder detector; if the small diameter section of the pen-shaped air cylinder detector can penetrate through the threaded hole in the nut piece, and the large diameter section cannot penetrate through the threaded hole in the nut piece, the nut piece of the workpiece to be detected is qualified, otherwise, the nut piece of the workpiece to be detected is not qualified; through above process, carry out quick careful detection to floor crossbeam work piece in the car, avoid follow-up because the disappearance of nut spare, the screw hole aperture of nut spare is big on the contrary, the screw hole aperture of nut spare is little on the contrary, the fixed or other parts of connection of floor crossbeam in the car is influenced to the screw hole skew scheduling problem of nut spare, and this equipment can detect four group nut pieces on the floor crossbeam in the car simultaneously, it is higher to compare artifical detection efficiency, the testing result is more accurate, stop to detect and omit, and can directly roughly analyze out the problem place of unqualified work piece through the testing result, make things convenient for subsequent rework, the process time has been saved.

Drawings

Fig. 1 is a schematic perspective view of a novel leakage-proof detection mechanism.

Fig. 2 is a schematic side view of a novel leak detection mechanism.

Fig. 3 is a schematic perspective view of a detection mechanism in a novel leakage-proof detection mechanism.

Fig. 4 is an enlarged view of a structure shown in fig. 3.

In the figure: 1. a base plate; 2. positioning the bracket; 3. positioning pins; 4. a detection mechanism; 5. a workpiece to be tested; 41. detecting the bracket; 42. a fixed mount; 43. a deflection frame; 44. a connecting frame; 45. a hydraulic lever; 46. a first hinge base; 47. a second hinge base; 48. clamping the bracket; 49. a pen-shaped cylinder detector; 491. a coarse diameter section; 492. a small diameter section; 51. a nut member; 52. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a novel anti-leakage detection mechanism includes: the device comprises a bottom plate 1, a positioning bracket 2, a positioning pin 3, a detection mechanism 4 and a workpiece 5 to be detected; the workpiece 5 to be detected is a workpiece of a floor beam in an automobile to be detected, two positioning holes 52 for positioning and four nut members 51 for fixing or connecting other parts to the workpiece of the floor beam in the automobile are arranged on the workpiece 5 to be detected, the nut members 51 are of a flat plate structure, threaded holes or cylinders containing the threaded holes are directly arranged on the nut members 51 (the threads are omitted in the illustration of the nut members 51 and are not shown), the nut members 51 are concentrically arranged on the inner side or the outer side of the hole positions reserved for the workpiece 5 to be detected in a welding or bolt fixing mode (the threaded holes and the reserved holes are concentric), the base plate 1 is of a horizontal metal flat plate structure, two groups of positioning supports 2 for supporting a workpiece 5 to be detected are fixed on the base plate 1 by using bolts, positioning pins 3 are respectively fixed on the two groups of positioning supports 2, and the positioning pins 3 on each group of positioning supports 2 are respectively used for being placed into positioning holes 52 on the workpiece 5 to be detected to position the workpiece; four groups of detection mechanisms 4 which have the capability of detecting a nut element 51 on a workpiece 5 to be detected and also have the capability of clamping and fixing the workpiece 5 to be detected are fixed on the bottom plate 1 by bolts, and each detection mechanism 4 comprises a detection support 41, a fixed support 42, a deflection frame 43, a connecting frame 44, a hydraulic rod 45, a first hinged support 46, a second hinged support 47, a clamping support 48 and a pen-shaped air cylinder detector 49.

In the detection mechanism 4, the bottom of the detection support 41 is fixed on the bottom plate 1, the top end of the detection support 41 is fixed with a fixing frame 42 with a plate-shaped structure, the deflection frame 43 is a strip-shaped plate-shaped structure, a connecting frame 44 with a two-piece structure is fixed on the deflection frame 43 through bolts, the connecting frame 44 is clamped on two sides of the fixing frame 42 by using a shaft rod, the deflection frame 43 forms a deflection pair through the connecting frame 44 and the fixing frame 42, a second hinged support 47 with a hinged support structure is arranged on the side surface of the fixed end of the hydraulic rod 45, a first hinged support 46 with a hinged support structure is arranged at the end of the extending end of the hydraulic rod 45, a protruding structure is arranged on one side of the fixing frame 42, the protruding structure is hinged with the second hinged support 47 through the shaft rod, the hydraulic rod 45 forms a rotation pair through the second hinged support 47 and the fixing frame 42, one end of the deflection frame 43 close to the second hinged support 47 is hinged with the first hinged support 46 by using the shaft rod, the hydraulic rod 45 forms a rotary pair through the first hinge base 46 and the deflection frame 43.

In the detection mechanism 4, a common groove is formed in one side of the fixed frame 42 and one side of the deflection frame 43, which are far away from the second hinge seat 47, and two groups of clamping brackets 48 are respectively fixed on the fixed frame 42 and the deflection frame 43 on the upper side and the lower side of the groove; the outer contours of the clamping bracket 48 on the fixed frame 42 and the clamping bracket 48 on the deflecting frame 43 during clamping are satisfied, and after the workpiece 5 to be measured is positioned by the positioning pin 3, the clamping bracket 48 on the fixed frame 42 and the clamping bracket 48 on the deflecting frame 43 can just clamp and fix the part of the workpiece 5 to be measured between the clamping bracket 48 and the deflecting frame 43.

A pen-shaped air cylinder detector 49 is fixed at one end of the deflection frame 43, which is far away from the first hinged support 46, in the detection mechanism 4, and the telescopic detection end of the pen-shaped air cylinder detector 49 is divided into two sections, namely a large-diameter section 491 and a small-diameter section 492; the small diameter section 492 is located below the large diameter section 491, the diameter of the large diameter section 491 is larger than that of the threaded hole of the nut member 51, and the diameter of the small diameter section 492 is smaller than that of the threaded hole of the nut member 51.

The main body of the detection support 41 is an L-shaped vertical support structure formed by vertically splicing two flat plates, and the two flat plates are reinforced and fixed by reinforcing ribs.

The working principle of the utility model is as follows: when the device is used, the hydraulic rods 45 in all the detection mechanisms 4 are controlled to be shortened, the hydraulic rods 45 drive the deflection brackets 43 to deflect, the clamping brackets 48 on the deflection brackets 43 and the clamping brackets 48 of the fixed frames 42 to deflect and open, then the workpieces 5 to be detected are placed on the positioning brackets 2, the positioning pins 3 on the positioning brackets 2 pass through the corresponding positioning holes 52 to complete the positioning of the workpieces 5 to be detected, the hydraulic rods 45 in all the detection mechanisms 4 are controlled to extend, the deflection brackets 43 are driven by the hydraulic rods 45 to deflect, the clamping brackets 48 on the deflection brackets 43 and the clamping brackets 48 of the fixed frames 42 deflect and approach, part of the workpieces 5 to be detected between the fixed frames 42 and the deflection brackets 43 are clamped and fixed, the pen-shaped air cylinder detectors 49 are controlled to extend through an external controller to detect the nut 51, the detection principle is the extension stroke analysis and judgment of the pen-shaped air cylinder detectors 49, and the extension ends of the pen-shaped air cylinder detectors 49 simply mean that the threaded holes on the nut detectors 51 penetrate through the extension ends of the pen-shaped air cylinder detectors 49 Analyzing and judging the form; if the small diameter segment 492 of the pen-shaped air cylinder detector 49 can pass through the threaded hole on the nut member 51 and the large diameter segment 492 cannot pass through the threaded hole on the nut member 51, the nut member 51 of the workpiece 5 to be measured is qualified, otherwise, the nut member is not qualified, and the nut member is not qualified: firstly, the small-diameter section 492 cannot pass through the threaded hole on the nut member 51, which indicates that the aperture of the threaded hole on the nut member 51 is not qualified due to undersize, or the threaded hole of the nut member 51 is unqualified due to offset; secondly, the large-diameter section 491 can penetrate through a threaded hole on the nut piece 51, which indicates that the diameter of the threaded hole on the nut piece 51 is too large and unqualified, or the nut piece 51 is lost and is missed and unqualified; unqualified products need to be off-line, and corresponding rework and rework are carried out or the products are directly scrapped according to the unqualified types fed back by the pen-shaped air cylinder detector 49; through the procedures, the floor beam workpiece in the automobile is quickly and finely detected, the subsequent problems that the floor beam in the automobile is fixed or connected with other parts due to the loss of the nut piece 51, the large diameter of the threaded hole of the nut piece 51, the small diameter of the threaded hole of the nut piece 51, the deviation of the threaded hole of the nut piece 51 and the like are avoided, the equipment can simultaneously detect four groups of nut pieces 51 on the floor beam in the automobile, compared with the manual detection, the detection efficiency is higher, the detection result is more accurate (particularly, the deviation of the threaded hole of the nut piece 51 is very troublesome for manual detection), the problem of unqualified workpieces can be directly and roughly analyzed through the detection result, the subsequent rework is convenient, the procedure time is saved (the specific shape structure of the positioning bracket 2 is not the protection range of the utility model, the specific shape structure is omitted, and the positioning bracket 2 only plays the roles of supporting the workpiece 5 to be detected and fixing the fixing pin, as long as the two functions can be completed, the structure of the utility model is not limited; the hydraulic rod 45 is a direct application of the present invention, and is not within the scope of the present invention, and therefore, the specific structure and operation principle thereof, and the external hydraulic assembly thereof are omitted, the pen-shaped air cylinder detector 49 is a direct application of the present invention, is not within the scope of the present invention, and is therefore omitted, and the specific structure and operation principle thereof, and the stroke recording analysis circuit included in the external controller thereof are omitted, and the reference model of the pen-shaped air cylinder detector 49 is yadeke-MI 16x30SU (12) + (CS 1-M-1)).

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel leak protection detection mechanism, includes: the device comprises a bottom plate (1), a positioning bracket (2), a positioning pin (3), a detection mechanism (4) and a workpiece to be detected (5); the workpiece to be detected (5) is a floor beam workpiece in an automobile to be detected, two positioning holes (52) for positioning and four nut pieces (51) for fixing or connecting other parts on the floor beam workpiece in the automobile are arranged on the workpiece to be detected, the nut pieces (51) are of a flat plate structure, threaded holes or cylinders containing the threaded holes are directly arranged on the nut pieces (51), and the nut pieces (51) are concentrically arranged on the inner side or the outer side of the hole positions reserved for the workpiece to be detected (5) in a welding or bolt fixing mode; the method is characterized in that: the base plate (1) is of a horizontal metal flat plate structure, two groups of positioning supports (2) for supporting a workpiece (5) to be tested are fixed on the base plate (1) through bolts, and positioning pins (3) are respectively fixed on the two groups of positioning supports (2); the detection mechanism (4) is characterized in that four groups of detection mechanisms (4) which have the capability of detecting a nut piece (51) on a workpiece to be detected (5) and also have the capability of clamping and fixing the workpiece to be detected (5) are fixed on the bottom plate (1) by utilizing bolts, and each detection mechanism (4) comprises a detection support (41), a fixed support (42), a deflection support (43), a connecting support (44), a hydraulic rod (45), a first hinged support (46), a second hinged support (47), a clamping support (48) and a pen-shaped air cylinder detector (49).

2. The novel leak detection mechanism of claim 1, wherein: in the detection mechanism (4), the bottom of the detection support (41) is fixed on the bottom plate (1), a fixing frame (42) with a plate-shaped structure is fixed at the top end of the detection support (41), the deflection frame (43) is in a strip-shaped plate-shaped structure, a connecting frame (44) with two piece installation structures is fixed on the deflection frame (43) through bolts, the connecting frame (44) is clamped on two sides of the fixing frame (42) through a shaft rod, the deflection frame (43) forms a deflection pair through the connecting frame (44) and the fixing frame (42), a second hinged support (47) with a hinged support structure is arranged on the side surface of the fixed end of the hydraulic rod (45), a first hinged support (46) with a hinged support structure is arranged at the end of the extending end of the hydraulic rod (45), a protruding structure is arranged on one side of the fixing frame (42), a second hinged support (47) is hinged on the protruding structure through the shaft rod, and the hydraulic rod (45) forms a rotating pair through the second hinged support (47) and the fixing frame (42), one end of the deflection frame (43) close to the second hinged support (47) is hinged with the first hinged support (46) through a shaft rod, and the hydraulic rod (45) forms a rotating pair through the first hinged support (46) and the deflection frame (43).

3. The novel leak detection mechanism of claim 1, wherein: in the detection mechanism (4), a common groove is formed in one side, away from the second hinged support (47), of the fixed frame (42) and the deflection frame (43), and two groups of clamping supports (48) are fixed on the fixed frame (42) and the deflection frame (43) respectively at the upper side and the lower side of the groove; the outer contours of the clamping support (48) on the fixed frame (42) and the clamping support (48) on the deflection frame (43) are satisfied during clamping, and after the workpiece (5) to be measured is positioned by the positioning pin (3), the clamping support (48) on the fixed frame (42) and the clamping support (48) on the deflection frame (43) can clamp and fix a part of the workpiece (5) to be measured between the clamping support (48) and the deflection frame.

4. The novel leak detection mechanism of claim 1, wherein: a pen-shaped air cylinder detector (49) is fixed at one end, away from the first hinged support (46), of the deflection frame (43) in the detection mechanism (4), and the telescopic detection end of the pen-shaped air cylinder detector (49) is divided into two sections, namely a large-diameter section (491) and a small-diameter section (492); the small-diameter section (492) is positioned below the large-diameter section (491), the diameter of the large-diameter section (491) is larger than that of a threaded hole in the nut piece (51), and the diameter of the small-diameter section (492) is smaller than that of the threaded hole in the nut piece (51).

5. The novel leak detection mechanism of claim 1, wherein: the main body of the detection support (41) is an L-shaped vertical support structure formed by vertically splicing two flat plates, and the two flat plates are reinforced and fixed by reinforcing ribs.