Detection tool for detecting upper body framework of instrument board

Abstract

The utility model discloses a detection tool for detecting an instrument panel upper body skeleton, which can simulate the state of the instrument panel upper body skeleton after loading, and through the cooperation of the instrument panel upper body skeleton and the detection tool, the gap of the matching surface between the instrument panel upper body skeleton and the detection tool and the deformation degree of the instrument panel upper body skeleton are detected. And meanwhile, a plurality of detection points are additionally arranged relative to the outer contour of the instrument panel upper body framework, so that the instrument panel upper body framework can be detected more comprehensively by the detection tool.

Description

Technical Field

[0001] The utility model belongs to the field of inspection tools, and in particular relates to an inspection tool used for inspecting the upper body frame of an instrument panel. Background Art

[0002] With the rapid development of the economy, the automotive industry has higher and higher requirements for the accuracy of the dashboard upper body frame. Whether the dashboard upper body frame is qualified directly affects the subsequent assembly of the whole vehicle. The existing inspection fixture can only detect whether the dashboard upper body frame is qualified, but cannot detect the matching state of the dashboard upper body frame after matching with other parts, that is, it cannot detect the gap between the matching surfaces of the dashboard upper body frame and other parts, nor can it detect the deformation degree of the dashboard upper body frame after matching. In addition, there are few detection points for the outer contour of the upper body frame, so the detection is not comprehensive enough. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a gauge for detecting the upper body frame of the instrument panel. The gauge can simulate the state of the upper body frame of the instrument panel after being installed on the vehicle. The upper body frame of the instrument panel cooperates with the gauge to detect the gap between the matching surfaces of the upper body frame of the instrument panel and the gauge and the degree of deformation of the upper body frame of the instrument panel. Meanwhile, a plurality of detection points are added relative to the outer contour of the upper body frame of the instrument panel, so that the gauge is more comprehensive when detecting the upper body frame of the instrument panel.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a kind of inspection tool for detecting the upper body frame of the instrument panel, comprising a base, one end of the base is provided with a first clamping structure, an XY direction detection structure and a second clamping structure, the middle part of the base is provided with a first clamping tongs structure, a Y direction positioning structure and a second clamping tongs structure; the other end of the base is provided with three columns, wherein the side wall of the first column is provided with a first XZ direction positioning structure, the first XZ direction positioning structure and the first clamping structure cooperate with each other to fix the upper body frame in the X direction and the Z direction, and the first A first clamping arm structure is rotatably connected to one side of a column away from a second column, an XYZ positioning structure is provided on the side wall of the second column, and the XYZ positioning structure cooperates with the first clamping clamp structure and the second clamping clamp structure to fix the upper body frame in the X, Y and Z directions, a second XZ positioning structure is provided on the side wall of the third column, and the second XZ positioning structure cooperates with the second clamp structure to fix the upper body frame in the X and Z directions, and the third column is rotatably connected to the second clamping arm structure on one side away from the second column.

[0005] A common profiling block is provided on one side of the top of the first column, the second column and the third column, and a first Z-direction positioning block, a second Z-direction positioning block, a third Z-direction positioning block, a fourth Z-direction positioning block and a fifth Z-direction positioning block are provided on the top of the profiling block; a third clamping clamp structure and a first clamping plate structure are provided on the other side of the top of the first column, a fourth clamping clamp structure and a second clamping plate structure are provided on the other side of the top of the second column, a third clamping plate structure and a fifth clamping clamp structure are provided on the other side of the top of the third column, the third clamping clamp structure cooperates with the first Z-direction positioning block, the fourth clamping clamp structure cooperates with the third Z-direction positioning block, and the fifth clamping clamp structure cooperates with the fifth Z-direction positioning block, so as to jointly position the outer contour of the upper body skeleton in the Z direction.

[0006] Advantages and beneficial effects of the utility model

[0007] 1. The utility model simulates the loading state of the instrument panel upper frame after being assembled with other parts. The gap between the matching surfaces of the instrument panel upper frame and the inspection fixture and the deformation of the instrument panel upper frame can be detected by the feeler gauge and the dial indicator. A plurality of outer contour detection points are newly added, so that the inspection fixture can detect the instrument panel upper frame more comprehensively.

[0008] 2. The utility model has a simple structure and is easy to operate. It can be moved to the production site and the three-coordinate measurement room for testing, saving labor costs and time costs and improving testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without creative work.

[0010] Figure 1 It is an axonometric diagram of the closed state of the inspection fixture provided by the embodiment of the utility model;

[0011] Figure 2 This is a front view of the closed state of the inspection tool provided by the embodiment of the utility model;

[0012] Figure 3 It is a side view of the closed state of the inspection tool provided by the embodiment of the utility model;

[0013] Figure 4 It is a top view of the closed state of the inspection tool provided by the embodiment of the utility model;

[0014] Figure 5 It is an axonometric diagram of the inspection tool provided by the embodiment of the utility model in the open state;

[0015] Figure 6 This is a front view of the inspection tool provided by the embodiment of the utility model in the open state;

[0016] Figure 7 It is a top view of the inspection tool provided by the embodiment of the utility model in the open state.

[0017] Figure numerals: base 1, first clamping structure 2, first connecting seat 2-1, first connecting arm 2-2, first connecting hole 2-3, first clamping pin structure 2-4, second clamping pin structure 2-5, XY detection structure 3, second connecting seat 3-1, second connecting arm 3-2, second connecting hole 3-3, first connecting block 3-4, X-direction detection arm 3-5, Y-direction detection arm 3-6, second clamping structure 4, third connecting seat 4-1, third connecting arm 4-2, third connecting hole 4-3, third clamping pin structure 4-4, first clamping clamp structure 5, Y-direction positioning structure 6, connecting column 6-1, first Y-direction positioning block 6-2, second Y-direction positioning block 6-3, second clamping clamp structure 7, first column 8, first XZ-direction positioning structure 9, sixth clamping clamp structure 9-1, sixth Z-direction positioning block 9-2, first X-direction positioning block 9-3 and first Z-direction positioning groove 9-4, second X-direction positioning block 9-5, third X-direction positioning block 9-6, second column 10, first clamping arm structure 11, XYZ-direction positioning structure 12, seventh Z-direction positioning block 12-1, eighth Z-direction positioning block 12-2, first mounting frame 12-3, fourth X-direction positioning block 12-4, ninth Z-direction positioning block 12-5, second Z-direction positioning groove 12-6, first Y-direction positioning groove 12-7, third ... Column 13, second XZ-direction positioning structure 14, seventh clamping clamp structure 14-1, tenth Z-direction positioning block 14-2, mounting frame structure 14-3, fifth X-direction positioning block 14-4, sixth X-direction positioning block 14-5, eleventh Z-direction positioning block 14-6, third Z-direction positioning groove 14-7, twelfth Z-direction positioning block 14-8, fourth Z-direction positioning groove 14-9, thirteenth Z-direction positioning block 14-10, second clamping arm structure 15, concave fixing block 15-1, fourth connecting arm 15-2, clamping arm 15-3, profiling block 16, first Z-direction positioning block 17, second Z-direction positioning block 18, third Z-direction positioning block 19, fourth Z-axis positioning block 20, fifth Z-axis positioning block 21, third clamping clamp structure 22, first clamping plate structure 23, fourth connecting seat 23-1, clamping plate 23-2, fixing groove 23-3, supporting block 23-4, fourth clamping clamp structure 24, second clamping plate structure 25, third clamping plate structure 26, fifth clamping clamp structure 27, calibration column 28, outer contour detection points a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, deformation detection points b1, b2, b3, dial indicator detection points MP1, MP2, MP3, MP4, MP5, MP6, MP7, MP8. DETAILED DESCRIPTION

[0018] The terms "first", "second", "third", "fourth", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0019] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "inside", "outside", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0020] like Figure 1-Figure 3 As shown, a test fixture for detecting the upper body frame of an instrument panel comprises a base 1, wherein the front end of the base 1 is provided with a first clamp structure 2, an XY direction detection structure 3, a second clamp structure 4 and a calibration column 28 for calibrating a dial indicator in sequence from left to right, and the middle part of the base 1 is provided with a first clamp structure 5, a Y direction positioning structure 6 and a second clamp structure 7 in sequence from left to right; the rear end of the base 1 is provided with three columns in sequence from left to right, wherein a first XZ direction positioning structure 9 is provided on the side wall in front of the first column 8, and the first XZ direction positioning structure 9 cooperates with the first clamp structure 2 to fix the left side of the upper body frame in the X direction and the Z direction, and the left side of the first column 8 is rotatably connected with a first clamp arm structure 11 An XYZ-direction positioning structure 12 is provided on the side wall in front of the second column 10, and the XYZ-direction positioning structure 12 cooperates with the first clamping clamp structure 5 and the second clamping clamp structure 7 to fix the middle part of the upper body frame in the X, Y and Z directions. A second XZ-direction positioning structure 14 is provided on the side wall in front of the third column 13, and the second XZ-direction positioning structure 14 cooperates with the second clamping structure 4 to fix the right side of the upper body frame in the X and Z directions. The right side of the third column 13 is rotatably connected with the second clamping arm structure 15 relative to the position of the first clamping arm structure 11, and the length distance from the clamping arm to the side wall of the upper body frame of the instrument panel is detected by the dial indicators on the first clamping arm structure 11 and the second clamping arm structure 15.

[0021] The front sides of the tops of the first column 8, the second column 10 and the third column 13 are jointly provided with a profiling block 16 having a shape similar to the outer contour of the upper body frame of the instrument panel. The top of the profiling block 16 is provided with a first Z-direction positioning block 17, a second Z-direction positioning block 18, a third Z-direction positioning block 19, a fourth Z-direction positioning block 20 and a fifth Z-direction positioning block 21 in sequence from left to right. The rear side of the top of the first column 8 is provided with a third clamping clamp structure 22 and a first card plate structure 23 that cooperate with the first Z-direction positioning block 17. The rear side of the top of the second column 10 is provided with a fourth clamping clamp structure 24 and a second card plate structure 25 that cooperate with the third Z-direction positioning block 19. The rear side of the top of the third column 13 is provided with a third card plate structure 26 and a fifth clamping clamp structure 27 that cooperates with the fifth Z-direction positioning block 21. The outer contour of the upper body frame is positioned in the Z direction by the cooperation of the three clamping clamp structures and the Z-direction positioning blocks.

[0022] As a further optimization, Figures 5 to 7 As shown, the first clamping structure 2 includes a first connecting seat 2-1, the top of the first connecting seat 2-1 is provided with an installation cavity, and a first connecting arm 2-2 is rotatably connected in the installation cavity, and the first connecting arm 2-2 has a first connecting hole 2-3 at one end opposite to the installation cavity, and one end of the fixing button passes through the first connecting hole 2-3 and is screwed into the installation cavity, and a first clamping pin structure 2-4 and a second clamping pin structure 2-5 are installed on both sides of the top of the first connecting arm 2-2, and the first clamping structure 2 is positioned in the X direction of the left side of the upper body frame of the instrument panel through the first clamping pin structure 2-4 and the second clamping pin structure 2-5 cooperating with the first X-direction positioning block 9-3 and the second X-direction positioning block 9-5 on the first XZ-direction positioning structure 9.

[0023] The XY direction detection structure 3 comprises a second connection seat 3-1, the top of the second connection seat 3-1 is provided with a mounting cavity, a second connection arm 3-2 is rotatably connected in the mounting cavity, the second connection arm 3-2 has a second connection hole 3-3 at one end opposite to the mounting cavity, one end of the fixing button passes through the second connection hole 3-3 and is screwed in the mounting cavity, the top of the second connection arm 3-2 is connected with a first connection block 3-4, the top of the first connection block 3-4 is provided with an X direction detection arm 3-5, and the X direction detection arm 3-5 is provided with an MP1 detection point and an MP2 detection point, The MP1 detection point and the MP2 detection point can detect the X-direction distance from the X-direction detection arm 3-5 to the front end of the upper body skeleton by a dial indicator, and the Y-direction detection arms 3-6 are symmetrically connected to the two sides of the first connecting block 3-4, wherein the Y-direction detection arm 3-6 on one side is provided with an MP3 detection point and an MP4 detection point, and the Y-direction detection arm 3-6 on the other side is provided with an MP5 detection point and an MP6 detection point, and the MP3 detection point, the MP4 detection point, the MP5 detection point and the MP6 detection point can detect the Y-direction distance from the Y-direction detection arm 3-6 to the front section of the upper body skeleton by a dial indicator.

[0024] The second clamping structure 4 includes a third connecting seat 4-1, the top of the third connecting seat 4-1 is provided with an installation cavity, and a third connecting arm 4-2 is rotatably connected in the installation cavity, and the third connecting arm 4-2 has a third connecting hole 4-3 at one end opposite to the installation cavity, and one end of the fixing button passes through the third connecting hole 4-3 and is screwed in the installation cavity, and a third clamping pin structure 4-4 is installed on the top of the third connecting arm 4-2. The second clamping structure 4 is positioned in the X direction of the right side of the upper body frame through the third clamping pin structure 4-4 and the sixth X-direction positioning block 14-5 on the second XZ-direction positioning structure 14.

[0025] As a further optimization, the first clamping pin structure, the second clamping pin structure and the third clamping pin structure are the same, including a clamping pin, the pin rod of the clamping pin is sleeved with a spring and connected to the connecting arm, and a protective cover is provided on the pin head of the clamping pin, and the clamping pin structure plays the role of fitting and fixing the upper body frame.

[0026] The first clamping clamp structure 5 and the second clamping clamp structure 7 have the same structure, including a clamping clamp fixing seat, the upper end of the clamping clamp fixing seat has a downwardly inclined fixing surface, and the fixing surface is provided with a clamping clamp, the clamping clamp on the first clamping clamp structure 5 cooperates with the seventh Z-direction positioning block 12-1 on the XYZ-direction positioning structure 12, and the clamping clamp on the second clamping clamp structure 7 cooperates with the eighth Z-direction positioning block 12-2 on the XYZ-direction positioning structure 12, and the Z-direction positioning of the middle part of the upper body frame is performed by the cooperation of the first clamping clamp structure 5, the seventh Z-direction positioning block 12-1, the second clamping clamp structure 7 and the eighth Z-direction positioning block 12-2. The Y-direction positioning structure 6 includes a connecting column 6-1, and the first Y-direction positioning block 6-2 and the second Y-direction positioning block 6-3 are provided on both sides of the top of the connecting column 6-1.

[0027] The first XZ-direction positioning structure 9 is provided with a sixth clamping clamp structure 9-1, a sixth Z-direction positioning block 9-2 matched with the sixth clamping clamp structure 9-1, a first X-direction positioning block 9-3 and a first Z-direction positioning groove 9-4 from bottom to top, and a second X-direction positioning block 9-5 and a third X-direction positioning block 9-6 are provided on the right side of the first Z-direction positioning groove 9-4, wherein the first Z-direction positioning groove 9-4 has a fixing hole, and the positioning blocks and positioning grooves on the first XZ-direction positioning structure 9 are arranged according to the shape of the corresponding upper body skeleton.

[0028] The XYZ-direction positioning structure 12 is provided with a seventh Z-direction positioning block 12-1 cooperating with the first clamping clamp structure 5, an eighth Z-direction positioning block 12-2 cooperating with the second clamping clamp structure 7 and a first mounting frame 12-3 from bottom to top, and a fourth X-direction positioning block 12-4 and a ninth Z-direction positioning block 12-5 are provided on opposite sides of the first mounting frame 12-3, and a second Z-direction positioning groove 12-6 and a first Y-direction positioning groove 12-7 are provided at the bottom of the first mounting frame 12-3, wherein the second Z-direction positioning groove 12-6 and the first Y-direction positioning groove 12-7 are provided with fixing holes, and the positioning blocks and positioning grooves on the XYZ-direction positioning structure 12 are arranged according to the shape of the corresponding upper body skeleton.

[0029] The second XZ-direction positioning structure 14 is provided with a seventh clamping clamp structure 14-1, a tenth Z-direction positioning block 14-2 and a mounting frame structure 14-3 from bottom to top, the mounting frame structure 14-3 is composed of a second mounting frame and a mounting arm, the mounting frame structure 14-3 is arranged on the third column 13 through the second mounting frame, the upper side of the mounting arm is provided with a fifth X-direction positioning block 14-4 and a sixth X-direction positioning block 14-5, the lower side of the mounting arm is provided with an eleventh Z-direction positioning block 14-6, a third Z-direction positioning groove 14-7, a twelfth Z-direction positioning groove 14-8, and a third Z-direction positioning groove 14-9. Block 14-8, the fourth Z-direction positioning groove 14-9 and the thirteenth Z-direction positioning block 14-10, wherein the third Z-direction positioning groove 14-7 and the fourth Z-direction positioning groove 14-9 are provided with fixing holes, the positioning blocks and positioning grooves on the second XZ-direction positioning structure 14 are arranged according to the shape of the corresponding upper body skeleton, the upper body skeleton is provided with claws corresponding to the positions of the first Z-direction positioning groove 9-4, the second Z-direction positioning groove 12-6, the first Y-direction positioning groove 12-7, the third Z-direction positioning groove 14-7 and the fourth Z-direction positioning groove 14-9, and the upper body skeleton is fixed by inserting the claws into the positioning grooves.

[0030] The first clamping arm structure 11 and the second clamping arm structure 15 have the same structure, including a concave fixing block 15-1 fixed on the upper part of the column, one side of the concave fixing block 15-1 is rotatably connected to one end of the fourth connecting arm 15-2 through a rotating shaft, and the fourth connecting arm 15-2 is provided with a fixing button at a position relative to the concave fixing block 15-1, and the other end of the fourth connecting arm 15-2 is provided with a clamping arm 15-3 with a shape similar to the side of the upper body frame, the clamping arm on the first clamping arm structure 11 is provided with an MP7 detection point, and the clamping arm on the second clamping arm structure 15 is provided with an MP8 detection point, and the gap from the clamping arm to the side wall of the upper body frame can be measured by passing a dial indicator through the MP7 detection point and the MP8 detection point.

[0031] The third clamping clamp structure, the fourth clamping clamp structure, the fifth clamping clamp structure, the sixth clamping clamp structure and the seventh clamping clamp structure are the same, and all include a clamping clamp connecting seat, on which a clamping clamp is provided. However, due to the different parts of the upper body skeleton being clamped, the positions and angles are not completely consistent. For example, the clamping clamp connecting seats of the third clamping clamp structure 22, the fourth clamping clamp structure 24 and the fifth clamping clamp structure 27 are connected to the top of the column, and the top of the clamping clamp connecting seat is connected to a clamp that cooperates with the Z-direction positioning block. For example, the clamping clamp connecting seats of the sixth clamping clamp structure 9-1 and the seventh clamping clamp structure 14-1 are connected to the side wall in front of the column. Since the clamping clamp needs to cooperate with the upper Z-direction positioning block, the clamping clamp is arranged on the inclined surface at the bottom end of the clamping clamp connecting seat.

[0032] The first card plate structure 23, the second card plate structure 25 and the third card plate structure 26 have the same structure, including a fourth connecting seat 23-1, a fixing groove 23-3 is provided in front of the fourth connecting seat 23-1 to prevent the card plate 23-2 from shaking, and a support block 23-4 is provided at the rear of the fourth connecting seat 23-1 to support the card plate 23-2 to continue to rotate backward. The card plate 23-2 is rotatably connected to the fourth connecting seat 23-1 at the top of the support block 23-4, and the bottom of the card plate 23-2 is similar in shape to the corresponding position of the profiling block 16 and the top of the upper body skeleton, so as to facilitate better fitting of the card plate and the upper body skeleton, so as to detect the gap between the card plate 23-2 and the upper body skeleton by a feeler gauge to determine whether the upper body skeleton is deformed, and a fixing pin is provided on the top of the fourth connecting seat 23-1.

[0033] As a further optimization, two universal wheels and two directional wheels are provided at the bottom of the base 1. When it is necessary to compare the measurements of the upper body skeleton of the hot part and the upper body skeleton of the cool part, or when the inspection amount is relatively large, it can be pushed to the production machine for additional testing as needed. When more precise measurement is required, it can also be pushed to the three-coordinate inspection room for testing.

[0034] Working process

[0035] 1. Open the first clamp structure 2, the XY detection structure 3, the second clamp structure 4, the seven clamping pliers structures, the two clamping arm structures and the three clamping plate structures to put the inspection fixture in a non-working state;

[0036] 2. Place the upper body frame on the inspection fixture, with the five claws on the upper body frame inserted into the first Z-direction positioning groove 9-4 on the first XZ-direction positioning structure 9, the second Z-direction positioning groove 12-6 on the XYZ-direction positioning structure, the first Y-direction positioning groove 12-7, and the third Z-direction positioning groove 14-7 and the fourth Z-direction positioning groove 14-9 on the second XZ-direction positioning structure 14, and then fit the upper body frame tightly against the remaining X-direction, Y-direction, and Z-direction positioning blocks;

[0037] 3. Close the first clamp structure 2, the XY detection structure 3, the second clamp structure 4 and the clamp arm structures on both sides, and tighten the corresponding fixing buttons on each structure to fix it. Then close the seven clamp structures and the three cardboard structures, and tighten the fixing pins on the three cardboard structures. If the fixing buttons and fixing pins on each structure can be screwed in smoothly, it means that the upper body frame is placed properly, otherwise it is unqualified.

[0038] 4. Use a feeler gauge to measure the gap between the upper body frame and the contour block 16, such as Figure 4 As shown in a1-a13, use a feeler gauge to measure the gap between the three cardboard structures and the upper body frame, such as Figure 4 As shown in the figure, b1-b3 has a theoretical tolerance of 5±1.5mm. If it is within this theoretical tolerance value, it means that the outer contour of the upper body skeleton is qualified and the upper body skeleton is not deformed. The dial indicator is calibrated with the calibration column 28, and then MP1-MP8 is measured with the dial indicator. The theoretical tolerance is 0±1mm. If it is within this theoretical tolerance value, it means that the upper body skeleton is qualified in the X and Y directions.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the utility model, rather than to limit them. Although the embodiments of the utility model are described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the embodiments of the utility model.

Claims

1. A test fixture for testing the upper body frame of an instrument panel, characterized in that: The invention comprises a base (1), wherein one end of the base (1) is provided with a first clamp structure (2), an XY direction detection structure (3) and a second clamp structure (4), and the middle part of the base (1) is provided with a first clamp structure (5), a Y direction positioning structure (6) and a second clamp structure (7); the other end of the base (1) is provided with three columns, wherein a first XZ direction positioning structure (9) is provided on the side wall of the first column (8), the first XZ direction positioning structure (9) cooperates with the first clamp structure (2) to fix the upper body frame in the X direction and the Z direction, and the first column (8) rotates away from the side of the second column (10) A first clamping arm structure (11) is connected, an XYZ-direction positioning structure (12) is arranged on the side wall of the second column (10), the XYZ-direction positioning structure cooperates with the first clamping clamp structure (5) and the second clamping clamp structure (7) to fix the upper body frame in the X, Y and Z directions, a second XZ-direction positioning structure (14) is arranged on the side wall of the third column (13), the second XZ-direction positioning structure (14) cooperates with the second clamp structure (4) to fix the upper body frame in the X and Z directions, and the side of the third column (13) away from the second column (10) is rotatably connected to the second clamping arm structure (15); A profiling block (16) is commonly provided on one side of the top of the first column (8), the second column (10) and the third column (13); a first Z-direction positioning block (17), a second Z-direction positioning block (18), a third Z-direction positioning block (19), a fourth Z-direction positioning block (20) and a fifth Z-direction positioning block (21) are provided on the top of the profiling block (16); a third clamping pliers structure (22) and a first clamping plate structure (23) are provided on the other side of the top of the first column (8); and a first clamping pliers structure (22) and a first clamping plate structure (23) are provided on the other side of the top of the second column (10). A fourth clamping clamp structure (24) and a second clamping plate structure (25) are provided, and a third clamping plate structure (26) and a fifth clamping clamp structure (27) are provided on the other side of the top of the third column (13); the third clamping clamp structure (22) cooperates with the first Z-direction positioning block (17), the fourth clamping clamp structure (24) cooperates with the third Z-direction positioning block (19), and the fifth clamping clamp structure (27) cooperates with the fifth Z-direction positioning block (21), so as to jointly position the outer contour of the upper body frame in the Z direction.

2. A test fixture for testing the upper body frame of a dashboard according to claim 1, characterized in that: The first clamping device structure (2) comprises a first connecting seat (2-1), the top of the first connecting seat (2-1) is provided with a mounting cavity, a first connecting arm (2-2) is rotatably connected in the mounting cavity, the first connecting arm (2-2) has a first connecting hole (2-3) at one end opposite to the mounting cavity, one end of the fixing button passes through the first connecting hole (2-3) and is screwed in the mounting cavity, a first clamping pin structure (2-4) and a second clamping pin structure (2-5) are installed on both sides of the top of the first connecting arm (2-2), and the first clamping device structure (2) cooperates with the first XZ-direction positioning structure (9) through the first clamping pin structure (2-4) and the second clamping pin structure (2-5); The second clamping structure (4) comprises a third connecting seat (4-1), the top of the third connecting seat (4-1) is provided with an installation cavity, a third connecting arm (4-2) is rotatably connected in the installation cavity, the end of the third connecting arm (4-2) opposite to the installation cavity is provided with a third connecting hole (4-3), one end of the fixing button passes through the third connecting hole (4-3) and is screwed in the installation cavity, a third clamping pin structure (4-4) is installed at the top of the third connecting arm (4-2), and the second clamping structure (4) cooperates with the second XZ-direction positioning structure (14) through the third clamping pin structure (4-4).

3. A test fixture for testing the upper body frame of a dashboard according to claim 1, characterized in that: The XY direction detection structure (3) comprises a second connection seat (3-1), the top of the second connection seat (3-1) is provided with a mounting cavity, a second connection arm (3-2) is rotatably connected in the mounting cavity, the second connection arm (3-2) has a second connection hole (3-3) at one end opposite to the mounting cavity, one end of the fixing button passes through the second connection hole (3-3) and is screwed in the mounting cavity, the top of the second connection arm (3-2) is connected with a first connection block (3-4), the top of the first connection block (3-4) is provided with an X direction detection arm (3-5), the X direction detection arm (3-5) is provided with an MP1 detection point and an MP2 detection point, and the two sides of the first connection block (3-4) are symmetrically connected with Y direction detection arms (3-6), wherein the Y direction detection arm (3-6) on one side is provided with an MP3 detection point and an MP4 detection point, and the Y direction detection arm (3-6) on the other side is provided with an MP5 detection point and an MP6 detection point.

4. A test fixture for testing the upper body frame of a dashboard according to claim 2, characterized in that: The first clamping pin structure, the second clamping pin structure and the third clamping pin structure are the same, and include a clamping pin, a pin rod of the clamping pin is sleeved with a spring and connected to a connecting arm, and a protective sleeve is provided on the pin head of the clamping pin.

5. The inspection tool for inspecting the upper body frame of the instrument panel according to claim 1, characterized in that: The Y-direction positioning structure (6) comprises a connecting column (6-1), and a first Y-direction positioning block (6-2) and a second Y-direction positioning block (6-3) are provided on both sides of the connecting column (6-1).

6. A test fixture for testing the upper body frame of a dashboard according to claim 1, characterized in that: The first XZ-direction positioning structure (9) is provided with a sixth clamping clamp structure (9-1), a sixth Z-direction positioning block (9-2) matched with the sixth clamping clamp structure (9-1), a first X-direction positioning block (9-3) and a first Z-direction positioning groove (9-4) in sequence from bottom to top, and a second X-direction positioning block (9-5) and a third X-direction positioning block (9-6) are provided on one side of the first Z-direction positioning groove (9-4), wherein the first X-direction positioning block (9-3) and the second X-direction positioning block (9-5) are matched with the first clamp structure (2).

7. A test fixture for testing the upper body frame of a dashboard according to claim 1, characterized in that: The XYZ-direction positioning structure (12) is provided with a seventh Z-direction positioning block (12-1) cooperating with the first clamping clamp structure (5), an eighth Z-direction positioning block (12-2) cooperating with the second clamping clamp structure (7), and a first mounting frame (12-3) in sequence from bottom to top; a fourth X-direction positioning block (12-4) and a ninth Z-direction positioning block (12-5) are provided on opposite sides of the first mounting frame (12-3); and a second Z-direction positioning groove (12-6) and a first Y-direction positioning groove (12-7) are provided at the bottom of the first mounting frame (12-3).

8. The inspection tool for inspecting the upper body frame of the instrument panel according to claim 1, characterized in that: The second XZ-direction positioning structure (14) is provided with a seventh clamping clamp structure (14-1), a tenth Z-direction positioning block (14-2) cooperating with the seventh clamping clamp structure (14-1), and a mounting frame structure (14-3) from bottom to top, wherein the mounting frame structure (14-3) is composed of a second mounting frame and a mounting arm, wherein the mounting frame structure (14-3) is arranged on the third column (13) through the second mounting frame, and the mounting arm is provided with a fifth X-direction positioning block (14-4), a sixth X-direction positioning block (14-5), an eleventh Z-direction positioning block (14-6), a third Z-direction positioning groove (14-7), a twelfth Z-direction positioning block (14-8), a fourth Z-direction positioning groove (14-9) and a thirteenth Z-direction positioning block (14-10), wherein the sixth X-direction positioning block (14-5) cooperates with the second clamping device structure (4).

9. A test fixture for testing the upper body frame of a dashboard according to claim 1, characterized in that: The first clamping arm structure (11) and the second clamping arm structure (15) have the same structure, comprising a concave fixing block (15-1) fixed on the upper part of the column, one side of the concave fixing block (15-1) is rotatably connected to one end of a fourth connecting arm (15-2) via a rotating shaft, a fixing button is provided at a position of the fourth connecting arm (15-2) relative to the concave fixing block (15-1), and the other end of the fourth connecting arm (15-2) is provided with a clamping arm (15-3) having a shape similar to the side of the upper body frame, an MP7 detection point is provided on the clamping arm on the first clamping arm structure (11), and an MP8 detection point is provided on the clamping arm on the second clamping arm structure (15).

10. The inspection tool for inspecting the upper body frame of the instrument panel according to claim 1, characterized in that: The first card plate structure (23), the second card plate structure (25) and the third card plate structure (26) have the same structure, including a fourth connecting seat (23-1), a fixing groove (23-3) for preventing the card plate (23-2) from shaking is provided in front of the fourth connecting seat (23-1), and a supporting block (23-4) for supporting the card plate (23-2) to continue to rotate backward is provided at the rear of the fourth connecting seat (23-1). The card plate (23-2) is rotatably connected to the fourth connecting seat (23-1) at the top of the supporting block (23-4), and the bottom of the card plate (23-2) is similar in shape to the corresponding position of the profiling block (16) and the top of the upper body frame, and a fixing pin for fixing the card plate (23-2) is provided at the top of the fourth connecting seat (23-1).

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