Automobile alloy plate strength detection equipment
By designing a free-fall impact testing component and a second telescopic cylinder, the problem of large errors in the testing results of existing equipment has been solved, enabling more accurate strength testing and safer operation.
Patent Information
- Application Number
- CN202520292392.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing automotive alloy sheet strength testing equipment has significant errors in test results compared to actual collisions, failing to accurately reflect the true strength of alloy sheets during impact.
The impact testing component, which is free-falling, is lifted to different heights by the drive unit and then released to impact the automotive alloy sheet. Combined with the second telescopic cylinder, a semi-enclosed space is formed to intercept the fragments, accurately detecting the strength of the alloy sheet and improving operational safety.
It improves the accuracy of the test results, making them closer to the strength performance in actual collisions, and avoids debris splashing by using the second telescopic cylinder, thus improving operational safety.
Smart Images
Figure CN223910633U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile alloy sheet detection technical field especially, relates to a kind of automobile alloy sheet strength detection equipment. BACKGROUND
[0002] Aluminum alloy becomes the first choice material of automobile light weight solution scheme by virtue of its low density, high specific strength, corrosion resistance and easy recycling etc.. Aluminum alloy is generally used to make the covering member of the outside of automobile, and its strength detection is generally reflected by the pressure that it receives when it is deformed or broken irreversibly. After automobile aluminum alloy sheet is processed and formed, it needs to be sampled from the aluminum alloy sheet of the same batch to detect its strength, so as to ensure that it has high strength when it is installed on the car and meets collision, to protect the safety of other structures inside the car, and to feedback some process deficiencies in production and processing process.
[0003] The existing automobile alloy sheet strength detection equipment is pushed by telescopic cylinder to continuously extrude automobile alloy sheet until automobile alloy sheet is torn, in this process, the pressure change that automobile alloy sheet bears is directly displayed by pressure sensor, and the limit pressure that alloy sheet bears when it is torn is recorded, so as to feedback the strength of automobile alloy sheet. However, the structural strength of automobile alloy sheet is reflected by the instantaneous pressure that it can bear when it is impacted in actual application, and the error between the result and the result detected by the above detection method is relatively large. SUMMARY
[0004] Therefore, the utility model aims at providing a kind of automobile alloy sheet strength detection equipment to solve the problem that the error between the detection result of continuous stable pressure and the result reflected by automobile alloy sheet in actual collision is relatively large.
[0005] Based on the above purpose, the utility model provides a kind of automobile alloy sheet strength detection equipment, including detection table and the portal frame of fixedly arranged on the top of detection table, and the automobile alloy sheet strength detection equipment further includes:
[0006] Impact detection piece is placed on the top of detection table.
[0007] Hoisting part is slidably arranged in the inside of portal frame, and the hoisting part is used to grab impact detection piece to a certain height, then release, so that it free-falls and impacts automobile alloy sheet.
[0008] Driving part is arranged on the portal frame, and the driving part is used to lift impact detection piece and hoisting part to different heights after hoisting part grabs impact detection piece.
[0009] Preferably, the impact detection piece includes heavy block placed at the center of the top of detection table and annular groove arranged outside the heavy block.
[0010] Preferably, the hoisting part comprises:
[0011] A lifting platform slidingly arranged inside the gantry.
[0012] An inner groove arranged at the bottom of the lifting platform, two inner slots being oppositely arranged on the inner wall of the inner groove.
[0013] A cross-insert block slidingly arranged in the inner slots.
[0014] A first telescopic cylinder arranged inside the inner slots, the first telescopic cylinder being used for linearly pushing the cross-insert block to reciprocally move between the inner groove and the inner slots.
[0015] Preferably, the inner part of the inner groove is matched with the top of the heavy block, and the cross-insert block is matched with the ring groove.
[0016] Preferably, the first telescopic cylinders are distributed along the radial direction of the inner groove, and the output ends of the two first telescopic cylinders are oppositely distributed.
[0017] Preferably, the hoisting part further comprises:
[0018] Two groups of guide rollers oppositely arranged on the lifting platform, the guide rollers being used for reducing the frictional resistance between the lifting platform and the gantry.
[0019] Preferably, the driving part comprises:
[0020] A threaded sleeve fixedly arranged at the top of the gantry.
[0021] A spline sleeve tooth rotatably arranged at the top of the threaded sleeve.
[0022] A lead screw rotatably arranged at the top of the lifting platform, the top end of the lead screw sequentially penetrating the interiors of the threaded sleeve and the spline sleeve tooth from bottom to top, the lead screw being threadedly sleeved with the threaded sleeve, and the lead screw being slidingly sleeved with the spline sleeve tooth.
[0023] A driving motor fixedly arranged at the top of the gantry.
[0024] A driving tooth fixedly arranged at the output end of the driving motor, the tooth surface of the driving tooth being engaged with the tooth surface of the spline sleeve tooth.
[0025] Preferably, the automobile alloy plate strength detection equipment further comprises:
[0026] Second telescopic cylinders respectively inlaid at the four corners of the top of the detection table.
[0027] A receiving groove arranged at the top of the detection table, the receiving groove being in the shape of a mouth.
[0028] A vertical sliding sleeve is arranged in the annular enclosure inside the receiving groove, and the output end of the second telescopic cylinder is fixedly arranged outside the annular enclosure.
[0029] The utility model discloses the beneficial effects of:
[0030] The utility model discloses a driving hoisting part drives the impact detection piece to lift to different height, then releases the impact detection piece, makes it present free fall state and hits the automobile alloy sheet, so can more accurate detection the numerical range of the instantaneous pressure that automobile alloy sheet bears when tearing in the impact, makes the automobile alloy sheet strength detection result more close in the collision result in practical application, improves the precision of detection result, and through the second telescopic cylinder lifting annular enclosure, can circle a semi - closed space on the top of detection platform, is used for detecting the strength of automobile alloy sheet, avoids the splashing of the debris when tearing to the outside of detection platform, causes the problem of mistaken injury, improves operating safety. BRIEF DESCRIPTION OF DRAWINGS
[0031] In order to more clearly illustrate the technical scheme in the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0032] Figure 1 It is the three-dimensional schematic diagram of the utility model Figure One ;
[0033] Figure 2 It is the three-dimensional schematic diagram of the utility model Figure Two ;
[0034] Figure 3 It is the three-dimensional schematic diagram of the utility model Figure Three ;
[0035] Figure 4 It is the three-dimensional schematic diagram of the utility model Figure Four ;
[0036] Figure 5 It is the three-dimensional schematic diagram of the utility model Figure Five .
[0037] Marked as in the drawing:
[0038] 1, detection platform; 2, gantry; 3, second telescopic cylinder; 4, driving part; 41, threaded sleeve; 42, spline sleeve tooth; 43, driving motor; 44, driving tooth; 45, screw rod; 5, hoisting part; 51, lifting platform; 52, inner groove; 53, inner embedded groove; 54, transverse insertion block; 55, first telescopic cylinder; 56, guide roller; 6, impact detection piece; 61, heavy pressure block; 62, ring groove; 7, storage groove; 8, annular fence. DETAILED DESCRIPTION
[0039] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with specific embodiments.
[0040] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0041] As shown in Figures 1 to 3 An automobile alloy plate strength detection equipment, including detection platform 1 and fixedly arranged gantry 2 on the top of detection platform 1, the top of detection platform 1 is provided with a cross coordinate system, the origin of the cross coordinate system coincides with the center point of the top of detection platform 1, in order to calibrate the position of the impact force point to be detected on the automobile alloy plate, improve the detection result precision, the automobile alloy plate strength detection equipment further includes:
[0042] The impact detection piece 6 is placed on the top of the detection platform 1.
[0043] The hoisting part 5 is slidably arranged in the gantry 2, and the hoisting part 5 is used to grab the impact detection piece 6 to a certain height, and then release it, so that it freely falls and hits the automobile alloy plate.
[0044] The driving part 4 is arranged on the gantry 2, and the driving part 4 is used to lift the impact detection piece 6 to different heights after the hoisting part 5 grabs the impact detection piece 6.
[0045] Thus, the impact detection piece 6 is lifted to different heights, and then released to freely fall and hit the automobile alloy plate placed on the detection table 1, and the strength of the automobile alloy plate is fed back through the instantaneous pressure change of the impact, so that the detection result is closer to the result of the automobile alloy plate in actual use when encountering a collision, and the strength of the automobile alloy plate in actual collision can be more truly fed back to improve the authenticity of the detection result.
[0046] As shown in Figures 2 to 5 The impact detection piece 6 includes a heavy block 61 placed at the center of the top of the detection table 1 and a ring groove 62 provided outside the heavy block 61. A plurality of balls are arranged at the boundary of the bottom of the heavy block 61 and uniformly distributed along the circumference of the bottom of the heavy block 61, so as to facilitate the workers to move the heavy block 61 and adjust its position, and facilitate the workers to grasp it.
[0047] The hoisting part 5 includes:
[0048] The lifting platform 51 is slidably arranged in the gantry 2.
[0049] The inner groove 52 is arranged at the bottom of the lifting platform 51, and two inner grooves 53 are oppositely arranged on the inner wall of the inner groove 52.
[0050] The cross-insert block 54 is slidably sleeved in the inner groove 53, and the initial state of the cross-insert block 54 is completely retracted in the inner groove 53.
[0051] The first telescopic cylinder 55 is arranged in the inner groove 53, and the first telescopic cylinder 55 is used to linearly push the cross-insert block 54 to reciprocate between the inner groove 52 and the inner groove 53.
[0052] The inner part of the inner groove 52 matches the top of the heavy block 61, and the cross-insert block 54 matches the ring groove 62.
[0053] The first telescopic cylinder 55 is distributed along the radial direction of the inner groove 52, and the output ends of the two first telescopic cylinders 55 are oppositely distributed.
[0054] Thus, the lifting platform 51 is driven by the driving part 4 to synchronously lift the heavy block 61 to a certain height, and then the heavy block 61 is released to freely fall and hit the automobile alloy plate placed on the top of the detection table 1, and the size of the impact force is changed by falling from different heights. Through such multiple operations, the strength of the automobile alloy plate can be accurately detected, and the protection effect of the automobile alloy plate in actual collision can be detected.
[0055] The hoisting part 5 further includes:
[0056] The two groups of guide rollers 56 are oppositely arranged on the lifting platform 51, and the guide rollers 56 are used to reduce the frictional resistance between the lifting platform 51 and the gantry 2.
[0057] As shown in Figure 2 and Figure 3 , the driving part 4 comprises:
[0058] The threaded sleeve 41 is fixed on the top of the gantry 2.
[0059] The spline sleeve tooth 42 is rotatably arranged on the top of the threaded sleeve 41.
[0060] The lead screw 45 is rotatably arranged on the top of the lifting platform 51, the top end of the lead screw 45 passes through the inside of the threaded sleeve 41 and the spline sleeve tooth 42 from bottom to top in turn, the lead screw 45 is threadedly sleeved with the threaded sleeve 41, and the lead screw 45 is slidingly sleeved with the spline sleeve tooth 42.
[0061] The driving motor 43 is fixed on the top of the gantry 2.
[0062] The driving gear 44 is fixed on the output end of the driving motor 43, and the tooth surface of the driving gear 44 is engaged with the tooth surface of the spline sleeve tooth 42.
[0063] In this way, the lead screw 45 can be driven to rotate by the driving motor 43, and the rotating direction of the lead screw 45 can be changed by changing the rotating direction of the output end of the driving motor 43, so that the lifting of the lifting platform 51 can be flexibly controlled, and the heavy block 61 can be efficiently grabbed to different heights for several times, so as to more accurately detect the strength of the automobile alloy plate.
[0064] As shown in Figures 1 to 3 , the automobile alloy plate strength detection equipment further comprises:
[0065] The second telescopic cylinder 3 is respectively embedded in the top four corners of the detection table 1.
[0066] The receiving groove 7 is arranged on the top of the detection table 1, and the shape of the receiving groove 7 is a mouth-shaped groove.
[0067] The annular fence 8 is vertically and slidingly sleeved in the inside of the receiving groove 7, and the output end of the second telescopic cylinder 3 is fixedly arranged outside the annular fence 8, so that when the strength limit of the automobile alloy plate is detected, the fragments of the automobile alloy plate can be intercepted and blocked, and the fragments can be prevented from splashing outside the detection table 1 to injure personnel or equipment.
[0068] Working principle: the position of the point to be detected on the automobile alloy plate can be accurately adjusted according to the cross coordinate system on the top of the detection table 1, so that the heavy pressure block 61 can accurately impact in the same range on the automobile alloy plate during subsequent detection, the error of the impact point range is reduced, then the lifting table 51 is driven to descend by the driving part 4, the inner groove 52 is sleeved on the top of the heavy pressure block 61, and the top of the heavy pressure block 61 abuts against the top in the inner groove 52, at this time, the cross insertion block 54 is aligned with the inside of the ring groove 62, then the first telescopic cylinder 55 is controlled to extend and push one side of the cross insertion block 54 to be inserted in the ring groove 62, the heavy pressure block 61 is fixed and grabbed, the lifting table 51 is driven to rise to a specified height by the driving part 4, the first telescopic cylinder 55 is controlled to retract, the heavy pressure block 61 is released, and falls freely to the automobile alloy plate, so that the heavy pressure block 61 is grabbed to different heights and released many times, so that the upper limit of the impact force that the automobile alloy plate can bear is detected, the strength of the automobile alloy plate is fed back, and before detection, the second telescopic cylinder 3 needs to be driven to extend and move the ring-shaped fence 8 to a height, so that the automobile alloy plate is surrounded, when the limit of the automobile alloy plate is detected, the fragments of the automobile alloy plate are intercepted, the safety of detection operation is improved.
[0069] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application (including the claims) is limited to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.
[0070] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.
Claims
1. A kind of automobile alloy sheet strength detection equipment, including detection table (1) and the portal frame (2) of fixedly arranged in the top of the detection table (1), it is characterized in that, The automobile alloy plate strength detection equipment further comprises: An impact detection piece (6) placed on the top of the detection table (1); A hoisting part (5) slidingly arranged in the gantry (2), the hoisting part (5) is used for grabbing the impact detection piece (6) to a certain height and then releasing it to make it free fall and impact the automobile alloy plate; A driving part (4) arranged on the gantry (2), the driving part (4) is used for lifting the hoisting part (5) and the impact detection piece (6) to different heights after the hoisting part (5) grabs the impact detection piece (6).
2. The automobile alloy sheet strength testing apparatus according to claim 1, wherein The impact detection piece (6) comprises a heavy block (61) arranged at the center of the top of the detection table (1) and a ring groove (62) arranged outside the heavy block (61).
3. The automobile alloy sheet strength testing apparatus according to claim 2, wherein The hoisting part (5) comprises: A lifting table (51) slidingly arranged in the gantry (2); An inner groove (52) arranged at the bottom of the lifting table (51), two inner embedded grooves (53) oppositely arranged on the inner wall of the inner groove (52); A horizontal insertion block (54) slidingly arranged in the inner embedded groove (53); A first telescopic cylinder (55) arranged in the inner embedded groove (53), the first telescopic cylinder (55) is used for linearly pushing the horizontal insertion block (54) to reciprocate between the inner groove (52) and the inner embedded groove (53).
4. The automobile alloy sheet strength testing apparatus according to claim 3, wherein The inner part of the inner groove (52) is matched with the top of the heavy block (61), and the horizontal insertion block (54) is matched with the ring groove (62).
5. The automobile alloy sheet strength testing apparatus according to claim 4, wherein The first telescopic cylinders (55) are distributed along the radial direction of the inner groove (52), and the output ends of the two first telescopic cylinders (55) are oppositely distributed.
6. The automobile alloy sheet strength testing apparatus according to claim 5, wherein The hoisting part (5) further comprises: Two groups of guide rollers (56) oppositely arranged on the lifting table (51), the guide rollers (56) are used for reducing the frictional resistance between the lifting table (51) and the gantry (2).
7. The automotive alloy sheet strength detection apparatus according to claim 6, wherein The driving part (4) comprises: A threaded sleeve (41) fixedly arranged at the top of the gantry (2); A spline sleeve tooth (42) rotationally arranged at the top of the threaded sleeve (41); A lead screw (45) rotationally arranged at the top of the lifting table (51), the top end of the lead screw (45) sequentially penetrates the inside of the threaded sleeve (41) and the spline sleeve tooth (42) from bottom to top, the lead screw (45) is threadedly connected with the threaded sleeve (41), and the lead screw (45) is slidingly connected with the spline sleeve tooth (42); A driving motor (43) fixedly arranged at the top of the gantry (2); A driving tooth (44) fixedly arranged at the output end of the driving motor (43), the tooth surface of the driving tooth (44) is engaged with the tooth surface of the spline sleeve tooth (42).
8. The automobile alloy sheet strength testing apparatus according to claim 1, wherein The automobile alloy plate strength detection equipment further comprises: Second telescopic cylinders (3) respectively embedded in the four corners of the top of the detection table (1); A storage groove (7) arranged on the top of the detection table (1), the shape of the storage groove (7) is a mouth-shaped groove; An annular fence (8) vertically slidingly arranged in the inside of the storage groove (7), the output end of the second telescopic cylinder (3) is fixedly arranged outside the annular fence (8).