CN210089546U

CN210089546U - Quality inspection tool for synchronously detecting position degree, bridge height and flatness of hole

Info

Publication number: CN210089546U
Application number: CN201921333575.XU
Authority: CN
Inventors: 吴艺; 张传梅; 范堡清; 李愉愉
Original assignee: Shenzhen Digital Model Automotive Technology Co Ltd
Current assignee: Shenzhen Digital Model Automotive Technology Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-02-18
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to a quality inspection tool for synchronously detecting the position degree, the bridge height and the flatness of a hole, which comprises a detection platform; a material placing table is arranged on the detection table; the lower seat beam comprises an upper beam body, a lower beam body and a longitudinal beam body connecting the upper beam body and the lower beam body; the detection platform is also provided with a clamping assembly for clamping the upper beam body, a pressing assembly for pressing the lower beam body, a bridge position detection assembly for detecting the height of a folded angle bridge position on the lower beam body, a flatness detection assembly for detecting the flatness of an upper convex hull on the lower beam body and a hole position degree detection assembly for detecting the position degree of a through hole on the lower beam body; both ends of the lower beam body are provided with positioning holes; the upper surface of the material placing table is provided with a plurality of positioning pins in one-to-one correspondence with the positioning holes and a plurality of positioning bosses in one-to-one correspondence with the upper convex hulls of the lower beam body, and the essence inspection tool can be used for synchronously carrying out a plurality of detections by one-time clamping, so that the detection period is greatly shortened, and the detection efficiency is improved.

Description

Quality inspection tool for synchronously detecting position degree, bridge height and flatness of hole

Technical Field

The utility model relates to an examine technical field, more specifically say, relate to a quality control apparatus of synchronous inspection hole site degree of putting, bridge site height and plane degree.

Background

The seat lower die beam is a stamping part commonly used in automobile manufacturing, and quality inspection needs to be carried out on the seat lower die beam before delivery to ensure that a product is qualified. As shown in fig. 11, the seat lower mold beam is C-shaped and can be divided into an upper beam body 20, a lower beam body 21, and a longitudinal beam body 22 connecting the upper beam body 20 and the lower beam body 21. The lower beam body 21 has a plurality of through holes 280 and a plurality of convex hulls 24, and the specific detection content includes the flatness of each convex hull 24, the hole position degree of each through hole 280, the bridge height of the upper folded angle 23 of each convex hull 24, and the like. In the traditional detection, the detection is carried out by three to four sets of detection tools in multiple steps, the detection time is long, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a quality control apparatus of synchronous detection hole position degree, bridge position height and plane degree is provided.

The utility model provides a technical scheme that its technical problem adopted is:

constructing a quality inspection tool for synchronously detecting the position degree, the bridge height and the flatness of a hole, wherein the quality inspection tool comprises a detection platform; the detection table is provided with a material placing table for placing a lower cross beam of the seat; the lower seat beam comprises an upper beam body, a lower beam body and a longitudinal beam body connecting the upper beam body and the lower beam body; the detection platform is also provided with a clamping assembly for clamping the upper beam body, a pressing assembly for pressing the lower beam body, a bridge position detection assembly for detecting the height of a folded angle bridge position on the lower beam body, a flatness detection assembly for detecting the flatness of an upper convex hull on the lower beam body and a hole position degree detection assembly for detecting the position degree of a through hole on the lower beam body; both ends of the lower beam body are provided with positioning holes; the upper surface of the material placing table is provided with a plurality of positioning pins in one-to-one correspondence with the positioning holes and a plurality of positioning bosses in one-to-one correspondence with the upper convex hulls of the lower beam body.

Preferably, the clamping assembly comprises a side mounting seat fixed with the detection table, an upper clamping arm rotatably connected with the upper end of the side mounting seat, a mounting block fixed with the side surface of the side mounting seat, and a lower clamping arm fixed on the mounting block and matched with the upper clamping arm to clamp the upper beam body; the lower clamping arm is a clamp; and the side mounting seat is also rotatably connected with a limit stop block which limits the rotation of the upper clamping arm during detection.

Preferably, the upper clamping arm comprises a first arm body rotatably connected with the side mounting seat, a second arm body fixed on the first arm body, and an ejector rod arranged at the end part of the second arm body;

the material ejecting rod comprises a T-shaped first rod body, a first spring, a stroke adjusting block and a material ejecting block which are sequentially arranged from top to bottom; two ends of the first spring respectively support against the first rod body and the second arm body; one side of the stroke adjusting block is fixed with the tail end of the first rod body, and the other side of the stroke adjusting block is fixed with the ejection block; the second arm body is provided with a first movable groove corresponding to the first rod body, an accommodating groove corresponding to the stroke adjusting block and a second movable groove corresponding to the material ejecting block; the accommodating groove opening is smaller than the second movable groove opening.

Preferably, a stop baffle opposite to the first arm body is further arranged on the surface of one side, away from the material placing table, of the side mounting seat; a first stop inclined plane is arranged at the rotating end of the first arm body; the upper end part of the stop baffle is provided with a second stop inclined surface attached to the first stop inclined surface;

the clamping assemblies are arranged in two groups, and the two groups of clamping assemblies are distributed on two sides of the upper beam body;

the pressing and holding assembly comprises a rear mounting seat fixed with the detection table and a pressing and holding piece fixed on the rear mounting seat; the pressing and holding piece is a clamp.

Preferably, the limit stop comprises a block body rotationally connected with the side mounting seat, and a shifting piece fixed on the side surface of the block body; the quality testing tool also comprises a first linkage steel wire, two ends of the first linkage steel wire are respectively fixed with the upper surface of the first arm body and the side surface of the block body; and a limiting groove corresponding to the first linkage steel wire is arranged on the side surface of the shifting piece.

Preferably, the quality testing tool further comprises a second linkage steel wire, two ends of which are respectively fixed with the lower clamping arm and the pressing piece, and a pull ring corresponding to the second linkage steel wire; the pull ring is V-shaped; the pull ring comprises a long supporting leg and a short supporting leg, wherein one end of the long supporting leg is fixed with the detection platform, and the other end of the short supporting leg is fixed with the other end of the long supporting leg; the short legs are not in contact with the detection table.

Preferably, the bridge position detection assembly comprises a detection rod, and a sleeve and a second spring which are sequentially sleeved on the detection rod; the sleeve is in threaded connection with the detection rod;

the detection rod comprises a second rod body connected with the sleeve, a limiting ring fixed at the upper end of the second rod body, and a handle ball fixed at the lower end of the second rod body; two ends of the second spring respectively abut against the sleeve and the handle ball; the material placing table is provided with an installation through groove corresponding to the sleeve.

Preferably, the flatness detection assembly comprises a first front mounting seat fixed with the detection table, a first guide seat fixed on the first front mounting seat, a first pull rod sliding along the first guide seat, a first cover plate fixed with the upper end of the first guide seat, and a first stop pin; the first guide seat, the first pull rod and the first cover plate are provided with first stop grooves corresponding to the first stop pins; the flatness detection assembly further comprises a go-no go gauge mounting block detachably connected with one end of the first pull rod, and a go-no go gauge detachably connected with the go-no go gauge mounting block;

the detection table is also provided with two groups of positioning assemblies distributed on two sides of the longitudinal beam body in the length direction; the positioning assembly comprises a positioning block matched with the flanging shape of the longitudinal beam body, a second pull rod fixed with the positioning block, a second guide seat corresponding to the second pull rod, and a second front mounting seat, wherein the upper end and the lower end of the second front mounting seat are respectively fixed with the second guide seat and the detection platform; the positioning assembly further comprises a second cover plate fixed with the upper end of the second guide seat and a second stop pin; and the second guide seat, the second pull rod and the second cover plate are provided with second stop grooves corresponding to the second stop pins.

Preferably, the first pull rod is further provided with two groups of stroke limiting blocks distributed on two sides of the first cover plate; the two groups of stroke limiting blocks are matched to limit the sliding stroke of the first pull rod; and handles are arranged at one ends of the first pull rod and the second pull rod, which deviate from the material placing table.

Preferably, the material placing table is also provided with a rear baffle plate with a shape matched with the flanging of the lower beam body;

the hole position degree detection assembly comprises a plurality of hole position detection blocks which are in one-to-one correspondence with the through holes on the lower beam body, and a plurality of hole position detection needles which are in one-to-one correspondence with the hole position detection blocks; the material placing table is provided with a plurality of mounting grooves which are in one-to-one correspondence with the hole site detection blocks.

The beneficial effects of the utility model reside in that: the lower seat beam is placed on the material placing table, and the positioning work of the lower seat beam is quickly finished through the clamping assembly, the pressing assembly, the positioning pin and the positioning boss, so that the lower seat beam is prevented from deviating during detection; after the positioning work is finished, the bridge position detection assembly, the flatness detection assembly and the hole position degree detection assembly are used for respectively carrying out angle folding bridge position height detection, convex hull flatness detection and through hole position degree detection, so that a plurality of detections can be synchronously carried out by one-time clamping, the detection period is greatly shortened, and the detection efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic view of an overall structure of a quality inspection tool for synchronously detecting a hole position degree, a bridge height and a flatness according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural view of an ejector pin in a quality testing tool for synchronously detecting the position degree, the bridge height and the flatness of a hole according to an embodiment of the present invention;

FIG. 4 is an enlarged view at A1 of FIG. 2;

FIG. 5 is a schematic view of an overall structure of a quality inspection tool for synchronously detecting the position, height and flatness of a hole according to an embodiment of the present invention;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a partial cutaway view of a quality inspection tool for synchronously detecting the position, height and flatness of a hole in accordance with an embodiment of the present invention;

fig. 8 is a side view of a quality inspection tool for synchronously detecting the position, height and flatness of a hole according to an embodiment of the present invention;

FIG. 9 is an enlarged view at C of FIG. 8;

fig. 10 is a schematic structural view of a pull ring in a quality testing tool for synchronously detecting the position degree, the height of a bridge position and the flatness of a hole according to an embodiment of the present invention;

fig. 11 is a schematic view of a conventional lower seat cross member structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

The utility model provides a quality inspection apparatus for synchronously detecting hole position degree, bridge height and flatness, which is shown in figures 1 to 9 and 11 and comprises a detection table 1; the detection table 1 is provided with a material placing table 10 for placing the lower seat beam 2; the lower seat cross beam 2 comprises an upper beam body 20, a lower beam body 21 and a longitudinal beam body 22 connecting the upper beam body 20 and the lower beam body 21; the detection platform 1 is also provided with a clamping assembly 11 for clamping an upper beam body 20, a pressing assembly 12 for pressing a lower beam body 21, a bridge position detection assembly for detecting the height of a bridge position of an upper folded angle 23 of the lower beam body 21, a flatness detection assembly 14 for detecting the flatness of an upper convex hull 24 of the lower beam body 21, and a hole position degree detection assembly for detecting the position degree of a through hole 280 on the lower beam body 21; the two ends of the lower beam body 21 are provided with positioning holes 281; the upper surface of the material placing table 10 is provided with a plurality of positioning pins 16 which are in one-to-one correspondence with the positioning holes 281 and a plurality of positioning bosses 17 which are in one-to-one correspondence with the upper convex hulls 24 of the lower beam body 21, the lower seat beam 2 is placed on the material placing table 10, and the positioning work of the lower seat beam 2 is quickly completed through the clamping assembly 11, the pressing assembly 12, the positioning pins 16 and the positioning bosses 17, so that the lower seat beam 2 is prevented from deviating during detection; after the positioning work is finished, the bridge position detection assembly, the flatness detection assembly 14 and the hole position degree detection assembly are used for respectively detecting the height of the folded angle 23 bridge position, the flatness of the convex hull 24 and the hole position degree of the through hole 280, so that a plurality of detections can be synchronously carried out by one-time clamping, the detection period is greatly shortened, and the detection efficiency is improved.

As shown in fig. 1 and 2, the clamping assembly 11 includes a side mounting seat 18 fixed to the inspection table 1, an upper clamping arm 19 rotatably connected to an upper end of the side mounting seat 18, a mounting block 110 fixed to a side surface of the side mounting seat 18, and a lower clamping arm 111 fixed to the mounting block 110 and clamping the upper beam 20 in cooperation with the upper clamping arm 19; the lower clamping arm 111 is a clamp; the side mounting seat 18 is also rotatably connected with a limit stop 112 which limits the rotation of the upper clamping arm 19 during detection, after the lower seat beam 2 is placed in the material placing table 10, the upper clamping arm 19 is rotated downwards to be pressed on the upper beam body 20, and the limit stop 112 is rotated to stop the upper clamping arm 19 so as not to rotate upwards; meanwhile, the lower clamping arm 111 is rotated, the upper beam body 20 is clamped by the two clamping arms in a matching mode, and the whole clamping assembly is simple in structure and convenient to use.

As shown in fig. 2 and 3, the upper clamping arm 19 includes a first arm 113 rotatably connected to the side mounting seat 18, a second arm 114 fixed to the first arm 113, and a lifter 115 provided at an end of the second arm 114; the material ejecting rod 115 comprises a T-shaped first rod body 116, a first spring 117, a stroke adjusting block 118 and an ejecting block 119 which are arranged from top to bottom in sequence; two ends of the first spring 117 respectively abut against the first rod 116 and the second arm 114; one side of the stroke adjusting block 118 is fixed with the tail end of the first rod body 116, and the other side is fixed with the ejection block 119; the second arm 114 is provided with a first movable groove 180 corresponding to the first rod 116, an accommodating groove (not shown) corresponding to the stroke adjusting block 118, and a second movable groove (not shown) corresponding to the ejector block 119; the notch of the accommodating groove is smaller than that of the second movable groove, the first rod body 116 is pressed downwards and rotated during detection, the stroke adjusting block 118 is separated from the accommodating groove and then clamped in the second movable groove, and the ejector block 119 is in a convex state and is attached to the upper beam body 20; after the detection is completed, the first rod body 116 is rotated, so that the stroke adjusting block 118 retracts into the accommodating groove, the ejecting block 119 retracts into the second movable groove and is separated from the upper beam body 20, a space is provided for taking materials, the whole upper clamping arm does not need to be rotated when the materials are taken, and the operation is simple and convenient and the time is saved. The stroke control can be realized by setting the stroke adjusting block 118 and the material ejecting block 119 to different shapes and sizes, and the stroke control device is simple in structure and good in control effect.

As shown in fig. 1 and fig. 2, a stop baffle 120 facing the first arm 113 is further disposed on a surface of the side mounting seat 18 facing away from the material placing table 10; the rotating end of the first arm 113 is provided with a first stop inclined surface 181; the upper end of the stop baffle 120 is provided with a second stop inclined surface 182 attached to the first stop inclined surface 181; from the structural distribution, the upper clamping arm 19 has the characteristic that the rotating end is light and the free end is heavy, and the rotation angle of the upper clamping arm 19 is limited by arranging the stop baffle 120, so that the rotation angle required by each use can be reduced, the labor is saved, and the parts on the free end of the upper clamping arm 19 can be prevented from directly impacting the side mounting seat 18;

two groups of clamping assemblies 11 are arranged, and the two groups of clamping assemblies 11 are distributed on two sides of the upper beam body 20, so that the integral positioning effect is better;

the pressing and holding assembly 12 comprises a rear mounting seat 121 fixed with the detection table 1, and a pressing and holding piece 122 fixed on the rear mounting seat 121; the pressing member 122 is a clamp, and the clamp is used for pressing, so that the operation is simple and convenient, and the cost is low.

As shown in fig. 8 and 9, the bridge position detecting assembly includes a detecting rod 130, and a sleeve (not shown) and a second spring 131 sequentially sleeved on the detecting rod 130; the sleeve is in threaded connection with the detection rod 130;

the detection rod 130 comprises a second rod body 132 connected with the sleeve, a limit ring 133 fixed with the upper end of the second rod body 132, and a handle ball 134 fixed with the lower end of the second rod body 132; the two ends of the second spring 131 respectively abut against the sleeve and the handle ball 134; the material placing table 10 is provided with an installation through groove (not shown in the figure) corresponding to the sleeve, during detection, the detection rod 130 is screwed, the detection rod 130 rises along the sleeve, and whether the height of the bridge position is qualified or not is judged by observing the upper folding angle of the lower beam body 21 and the length of the detection rod 130 extending out of the lower beam body 21; the limit ring 133 limits the maximum protruding length of the detection lever 130. Accomplish the detection back, twist and move test bar 130, test bar 130 descends along the sleeve, for getting the material and providing and dodging the space, and overall detection simple structure and convenient to use.

As shown in fig. 4 to 6 and fig. 11, the flatness detecting assembly 14 includes a first front mounting seat 135 fixed to the detecting table 1, a first guide seat 136 fixed to the first front mounting seat 135, a first pull rod 137 sliding along the first guide seat 136, a first cover plate 138 fixed to an upper end of the first guide seat 136, and a first stopper pin 139; the first guide seat 136, the first pull rod 137 and the first cover plate 138 are all provided with a first stop groove corresponding to the first stop pin 139; the flatness detection assembly 14 further comprises a go-no go gauge mounting block 140 detachably connected with one end of the first pull rod 137 and a go-no go gauge 141 detachably connected with the go-no go gauge mounting block 140, before detection, the go-no go gauge 141 is mounted on the go-no go gauge mounting block 140 and further mounted on the first pull rod 137, and the structure of connection can be detached, so that a worker can conveniently replace the corresponding go-no go gauge mounting block 140 and the go-no go gauge 141 according to actual detection requirements, and the flexibility is good; during detection, the first stop pin 139 is pulled out, the first pull rod 137 is pushed and pulled, and the flatness of the boss is detected; after detection is finished, the first stop pin 139 is inserted, so that the first pull rod 137 is limited, the use is convenient, and the limiting effect is good;

the detection table 1 is also provided with two groups of positioning components 142 distributed on two sides of the longitudinal beam body 22 in the length direction, and the positioning components 142 are additionally arranged to further enhance the positioning effect; the positioning assembly 142 comprises a positioning block 143 matched with the flanging shape of the longitudinal beam body 22, a second pull rod 144 fixed with the positioning block 143, a second guide seat 145 corresponding to the second pull rod 144, and a second front mounting seat 146, wherein the upper end and the lower end of the second front mounting seat are respectively fixed with the second guide seat 145 and the detection table 1; the positioning assembly 142 further includes a second cover plate 147 fixed to an upper end of the second guide holder 145, and a second stopper pin 148; the second guide seat 145, the second pull rod 144 and the second cover plate 147 are all provided with a second stop groove 185 corresponding to the second stop pin 148, before detection, the second pull rod 144 is pushed to move forward, so that the positioning block 143 is attached to the longitudinal beam 22, and then the second stop pin 148 is inserted, so that the second pull rod 144 is limited; after the detection is completed, the second stop pin 148 is pulled out, and the second pull rod 144 is pulled backwards, so that the positioning block 143 is far away from the longitudinal beam body 22, and an avoidance space is provided for taking materials.

As shown in fig. 6, the first pull rod 137 is further provided with two sets of stroke limiting blocks 149 distributed on both sides of the first cover plate 138; two sets of stroke limiting blocks 149 are matched to limit the sliding stroke of the first pull rod 137, one set of stroke limiting blocks 149 is used for limiting the maximum extending position of the first pull rod 137, and the other set of stroke limiting blocks 149 is used for limiting the maximum retracting position of the first pull rod 137, so that the collision between the go-no go gauge 141 and the boss can be avoided when the flatness detection is carried out; the first pull rod 137 and the second pull rod 144 are respectively provided with a handle 150 at one end deviating from the material placing table 10, so that a worker can conveniently push and pull the pull rods.

As shown in fig. 1, 2, 7 and 11, the material placing table 10 is further provided with a rear baffle 151 adapted to the shape of the flange of the lower beam body 21, so as to further enhance the limiting effect on the lower beam body 21;

the hole position degree detection assembly comprises a plurality of hole position detection blocks 152 which are in one-to-one correspondence with the through holes 280 on the lower beam body 21 and a plurality of hole position detection needles 153 which are in one-to-one correspondence with the hole position detection blocks 152; the material placing table 10 is provided with a plurality of mounting grooves 186 corresponding to the hole position detection blocks 152 one by one, and during detection, hole position degree detection is carried out on the jack position detection pins 153 in the through holes 280; after the detection is completed, the hole site detection pin 153 can be pulled out.

Example two

In the present embodiment, the same points as those in the first embodiment are not described in detail, but the differences are:

as shown in fig. 2, the limit stop 112 includes a block 123 rotatably connected to the side mount 18, and a paddle 124 fixed to a side surface of the block 123; the quality testing tool also comprises a first linkage steel wire 125, two ends of which are respectively fixed with the upper surface of the first arm body 113 and the side surface of the block body 123; the side surface of the shifting sheet 124 is provided with a limiting groove 183 corresponding to the first linkage steel wire 125, before detection, the first arm body 113 is rotated downwards, the first linkage steel wire 125 is pulled by the first arm body 113, and then the block body 123 is pulled by the first linkage steel wire 125 to rotate, so that the shifting sheet 124 rotates towards the first arm body 113, the block body 123 is shielded above the first arm body 113, and limiting is achieved; after the detection is completed, the shifting piece 124 is rotated in a direction away from the first arm 113, the first linkage steel wire 125 is pulled by the block 123, and then the first arm 113 is rotated upward under the pulling of the first linkage steel wire 125. Therefore, the linkage of the first arm body 113 and the block 123 is realized by arranging the steel wire, the structure is simple, the cost is low, meanwhile, the first arm body 113 and the block 123 do not need to be rotated respectively, and the labor is saved.

EXAMPLE III

as shown in fig. 1 and 10, the quality testing tool further includes a second coupling wire 126 fixed at both ends thereof to the lower clamp arm 111 and the pressing member 122, respectively, and a pull ring 127 corresponding to the second coupling wire 126; before the detection, rotate lower arm lock 111, second linkage wire 126 can receive arm lock 111's traction down, then press holder 122 can receive the downward rotation of traction of second linkage wire 126, realize spacing to the underbeam body 21. Further, the pull ring 127 is V-shaped; the pull ring 127 comprises a long supporting leg 128 with one end fixed with the detection platform 1 and a short supporting leg 129 with the other end fixed with the long supporting leg 128, the short supporting leg 129 is not in contact with the detection platform 1, linkage of the lower clamping arm 111 and the pressing and supporting piece 122 is realized through arrangement of a steel wire, the structure is simple, the cost is low, meanwhile, the lower clamping arm 111 and the pressing and supporting piece 122 do not need to be rotated respectively, and manpower is saved. The pull ring 127 not only provides a pull-down force to the second linkage wire 126, so that the second linkage wire 126 is in a taut state; meanwhile, by arranging the long and short support legs, when linkage is not needed, the second linkage steel wire 126 can be pulled outwards to be separated from the pull ring 127, so that a worker can conveniently switch between a linkage mode and a non-linkage mode.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A quality inspection tool for synchronously detecting the position degree, the bridge height and the flatness of a hole comprises a detection platform; the device is characterized in that a material placing table for placing a lower cross beam of the seat is arranged on the detection table; the lower seat beam comprises an upper beam body, a lower beam body and a longitudinal beam body connecting the upper beam body and the lower beam body; the detection platform is also provided with a clamping assembly for clamping the upper beam body, a pressing assembly for pressing the lower beam body, a bridge position detection assembly for detecting the height of a folded angle bridge position on the lower beam body, a flatness detection assembly for detecting the flatness of an upper convex hull on the lower beam body and a hole position degree detection assembly for detecting the position degree of a through hole on the lower beam body; both ends of the lower beam body are provided with positioning holes; the upper surface of the material placing table is provided with a plurality of positioning pins in one-to-one correspondence with the positioning holes and a plurality of positioning bosses in one-to-one correspondence with the upper convex hulls of the lower beam body.

2. The quality inspection tool according to claim 1, wherein the clamping assembly comprises a side mounting base fixed to the inspection table, an upper clamping arm rotatably connected to an upper end of the side mounting base, a mounting block fixed to a side surface of the side mounting base, and a lower clamping arm fixed to the mounting block and cooperating with the upper clamping arm to clamp the upper beam; the lower clamping arm is a clamp; and the side mounting seat is also rotatably connected with a limit stop block which limits the rotation of the upper clamping arm during detection.

3. The quality testing tool according to claim 2, wherein said upper clamp arm includes a first arm rotatably connected to said side mounting base, a second arm fixed to said first arm, and a lifter provided at an end of said second arm;

4. The quality inspection tool according to claim 3, wherein a stop baffle plate facing the first arm body is further arranged on one side surface of the side mounting seat facing away from the material placing table; a first stop inclined plane is arranged at the rotating end of the first arm body; the upper end part of the stop baffle is provided with a second stop inclined surface attached to the first stop inclined surface;

5. The quality inspection tool of claim 4, wherein the limit stop comprises a block rotatably connected to the side mount, and a paddle fixed to a side surface of the block; the quality testing tool also comprises a first linkage steel wire, two ends of the first linkage steel wire are respectively fixed with the upper surface of the first arm body and the side surface of the block body; and a limiting groove corresponding to the first linkage steel wire is arranged on the side surface of the shifting piece.

6. The quality inspection tool according to claim 4, further comprising a second linkage wire having both ends fixed to the lower clamp arm and the holding member, respectively, and a pull ring corresponding to the second linkage wire; the pull ring is V-shaped; the pull ring comprises a long supporting leg and a short supporting leg, wherein one end of the long supporting leg is fixed with the detection platform, and the other end of the short supporting leg is fixed with the other end of the long supporting leg; the short legs are not in contact with the detection table.

7. The quality inspection tool of claim 1, wherein the bridge position detection assembly comprises a detection rod, and a sleeve and a second spring which are sequentially sleeved on the detection rod; the sleeve is in threaded connection with the detection rod;

8. The quality inspection tool according to claim 1, wherein the flatness detecting assembly includes a first front mounting base fixed to the inspection table, a first guide base fixed to the first front mounting base, a first pull rod sliding along the first guide base, a first cover plate fixed to an upper end of the first guide base, and a first stopper pin; the first guide seat, the first pull rod and the first cover plate are provided with first stop grooves corresponding to the first stop pins; the flatness detection assembly further comprises a go-no go gauge mounting block detachably connected with one end of the first pull rod, and a go-no go gauge detachably connected with the go-no go gauge mounting block;

9. The quality inspection tool of claim 8, wherein the first pull rod is further provided with two sets of travel limiting blocks distributed on two sides of the first cover plate; the two groups of stroke limiting blocks are matched to limit the sliding stroke of the first pull rod; and handles are arranged at one ends of the first pull rod and the second pull rod, which deviate from the material placing table.

10. The quality inspection tool according to claim 1, wherein a rear baffle plate with a shape matched with that of a flange of the lower beam body is further arranged on the material placing table;