Rigid wall support mounting structure for automobile head-on collision

Abstract

The utility model relates to the technical field of automobile head-on collision test, and discloses a rigid wall bracket mounting structure for automobile head-on collision, which comprises a lower bracket, a rigid wall assembly, an anchor point assembly fixedly mounted on the upper part of the lower bracket, and a limiting assembly positioned on the outer side of the anchor point assembly. According to the automobile frontal collision rigid wall support mounting structure, through quick positioning of the alignment insertion plate and the groove and combination of the modular lower support and the lifting lug rolling wheels, quick assembly of rigid wall assemblies is achieved, the mounting alignment time is shortened, and the operation difficulty is reduced; meanwhile, the limiting assembly is in gapless clamping connection with an anchor disc through a U-shaped clamping groove and an inner arc groove, a full-expansion heavy anchor bolt replaces an embedded anchor column, the installation cost and the construction difficulty are reduced, inclined reinforcing rods and vertical reinforcing rods on the inner side of the rigid wall are supported in a crossed mode, the impact resistance rigidity is enhanced, stress is dispersed through a multi-point-position locking bolt set of a front supporting plate and the rigid wall, and the rigidity of the rigid wall is improved. The installation cost and the construction difficulty are effectively reduced, deployment and installation can be rapidly carried out, and the construction time can be greatly shortened.

Description

Technical Field

[0001] This utility model relates to the field of automotive frontal collision testing technology, specifically a rigid wall bracket mounting structure for automotive frontal collision testing. Background Technology

[0002] Rigid walls in frontal collision tests are crucial for simulating fixed obstacles in vehicle safety testing. With a smooth surface and extremely high rigidity, the rigid wall maintains its shape during a collision, providing a stable reference point for testing. The performance of the rigid wall relies on a reliable support structure. As the supporting foundation for the rigid wall, the support structure must meet requirements of high strength and high stability, typically employing a modular steel frame design.

[0003] In existing technologies, rigid wall supports for frontal collision testing of automobiles are often firmly connected to the laboratory floor by pre-embedded anchors. Before installation, the anchors need to be pre-embedded by casting concrete. This method of pre-embedded anchor installation not only has a long construction period, but also makes it difficult to remove the pre-embedded anchors after site modification. To address this, we propose a rigid wall support installation structure for frontal collision testing of automobiles, which solves the problems of long construction period and high cost of pre-embedded anchor installation. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a rigid wall bracket mounting structure for frontal collisions of automobiles, thereby solving the problems mentioned in the background above.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a rigid wall bracket mounting structure for frontal collision of automobiles, including a lower bracket and a rigid wall assembly, an anchor point assembly fixedly installed on the upper part of the lower bracket and a limiting assembly located outside the anchor point assembly, a front support plate provided on the front side of the lower bracket, a rigid wall assembly provided on the front side of the front support plate, symmetrically distributed diagonal reinforcing rods and vertical reinforcing rods fixedly installed on the inner side of the rigid wall assembly, an alignment plug-in plate fixedly installed on the side of the rigid wall assembly near the front support plate, and an alignment plug-in groove adapted to the alignment plug-in plate opened on the side of the front support plate facing the rigid wall assembly;

[0008] The anchor point assembly includes an anchor plate, and a main bolt and a secondary bolt are provided at the top of the anchor plate. Both the main bolt and the secondary bolt pass through the anchor plate and are threadedly connected to the lower support.

[0009] The limiting assembly comprises a clamping plate, one side of the clamping plate facing the lower support is provided with a U-shaped clamping groove, the inner side of the clamping plate is provided with an inner arc groove consistent with the curvature of the anchor disc inside the U-shaped clamping groove, the lower part of the clamping plate is fixedly provided with a vertical plate, the side of the clamping plate away from the lower support is fixedly provided with an anchor base, the anchor base and the vertical plate are provided with a reinforcing plate, and the inner side of the anchor base is provided with an expansion anchor.

[0010] Through the above technical scheme, the design of the position insertion plate and the position insertion groove realizes the quick and accurate positioning of the rigid wall assembly and the front support plate, reduces the positioning time during installation, reduces the operation difficulty, the inner side inclined reinforcing rod and the vertical reinforcing rod provide efficient support capacity, effectively enhance the impact resistance of the rigid wall, reduce the deformation during collision, and prolong the service life.

[0011] Preferably, the lower support is provided with two identical lower supports, the two lower supports are symmetrically distributed on the back of the front support plate, the side of the lower support away from the front support plate is fixedly provided with a right-angle ear seat, the outer side of the lower support is also fixedly provided with an ear, the side of the lower support away from the front support plate is fixedly provided with a first rear support rod and a second rear support rod, and the rigid wall assembly is fixedly provided with a roller at the lower part.

[0012] Through the above technical scheme, the design of the right-angle ear seat can realize the quick assembly of the two lower supports, the design of the ear and the roller realizes the convenient hoisting and moving of the rigid wall assembly, and the first rear support rod and the second rear support rod enhance the bending resistance of the back of the lower support.

[0013] Preferably, the front support plate is provided with transversely equidistantly distributed grooves on the side facing the rigid wall assembly, the grooves are provided with locking bolts, the locking bolts penetrate the rigid wall assembly and are threadedly connected with locking nuts, the locking bolts and the locking nuts are provided with two groups of the same, each group of the locking bolts and the locking nuts is provided with a plurality of the same, and the plurality of the locking bolts and the locking nuts are equidistantly distributed.

[0014] Through the above technical scheme, the vertically equidistantly distributed locking bolts and locking nuts form a multi-point rigid connection, uniformly disperse the stress at the connection, avoid deformation or failure caused by single-point overload, and improve the connection reliability of the rigid wall and the front support plate.

[0015] Preferably, the anchor point assembly is the same as the number of limiting components, and one-to-one correspondence, the limiting component is a whole section of "7" type structure, the anchor disc is matched with the inner arc groove, the diameter of the anchor disc is equal to the slot width of the U-shaped clamping groove, the number of anchor point assemblies is four times that of the lower support, the number of auxiliary bolts is four times that of the main bolt, and the auxiliary bolt is symmetrically distributed around the vertical center line of the main bolt, the expansion anchor adopts a full expansion heavy anchor, the number of reinforcing plates is twice that of the clamping plate, the reinforcing plates are symmetrically distributed on the outer side of the vertical plate, the clamping plate and the vertical plate are in close contact with the lower support, the included angle between the clamping plate and the vertical plate is 90°, and the anchor disc, the clamping plate, the vertical plate and the anchor seat are all made of stainless steel.

[0016] Through the above technical scheme, the anchor point assembly is one-to-one corresponding with the limiting component, the "7" type limiting component realizes gapless clamping through the U-shaped clamping groove and the inner arc groove matched with the curvature of the anchor disc, effectively restricts the displacement of the anchor disc, the full expansion heavy anchor meets the anchoring demand of high instantaneous load in the collision, and through the design that the reinforcing plates are symmetrically distributed on the outer side of the vertical plate, the strength of the vertical plate can be further enhanced, deformation of the vertical plate in the collision test process is avoided, and the assembly of the anchor point assembly and the limiting component and their respective assembly are relatively simple, without the need of pre-burying multiple anchor columns on the ground in advance, the installation cost of the rigid wall support in the automobile frontal collision is greatly reduced.

[0017] Compared with the prior art, the utility model provides a rigid wall support installation structure for automobile frontal collision, has the following beneficial effects:

[0018] 1、The rigid wall support installation structure for automobile frontal collision, through the quick positioning design of the alignment plug-in plate and the alignment plug-in groove, the combination of the modular lower support, the right angle ear seat and the lug and the roller, realizes the quick assembly of the rigid wall assembly and the support, greatly reduces the installation alignment time and the operation difficulty, the limiting component adopts the U-shaped clamping groove and the inner arc groove and the anchor disc gapless clamping, and replaces the traditional pre-buried anchor column by the full expansion heavy anchor, does not need the complex ground pretreatment, effectively reduces the installation cost and the construction difficulty, also can quickly deploy and install, can greatly reduce the construction time.

[0019] 2、The rigid wall support installation structure for automobile frontal collision, the diagonal reinforcing rod and the vertical reinforcing rod in the inner side of the rigid wall form the cross bracing structure, effectively enhance the impact resistance, reduce the collision deformation, the first support rod and the second rear support rod of the lower support back improve the bending resistance, cooperate with the multiple point locking bolt and the locking nut between the front support plate and the rigid wall, evenly disperse the stress at the connection, avoid single point overload failure, the "7" type clamping structure of the limiting component, the symmetric reinforcing plate and the stainless steel material, ensure the stable anchoring of the anchor point assembly under the high instantaneous load in the collision. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 For the utility model three-dimensional structure schematic Figure 1 ;

[0021] Figure 2 For the utility model three-dimensional structure schematic Figure 2 ;

[0022] Figure 3 For the utility part of the utility model split structure schematic diagram;

[0023] Figure 4 For the utility model half cut structure schematic Figure 1 ;

[0024] Figure 2 For the utility model half cut structure schematic Figure 6 ;

[0025] Figure 7 For the utility model rigid wall assembly three-dimensional structure schematic;

[0026] Figure 8 For the utility model lower support and front support plate mounting structure schematic;

[0027] Figure 9 For the utility model anchor point assembly and limit component mounting structure schematic;

[0028] Figures 1-9 For the utility model limit component three-dimensional structure schematic.

[0029] Wherein: 1, lower support;2, front support plate;3, rigid wall assembly;4, inclined reinforcing rod;5, vertical reinforcing rod;6, roller;7, alignment plug-in plate;8, alignment plug-in slot;9, recess;10, locking bolt;11, locking nut;12, lug;13, first rear support rod;14, second rear support rod;15, anchor point assembly;1501, anchor disc;1502, main bolt;1503, auxiliary bolt;16, limit component;1601, clamping plate;1602, U-shaped clamping groove;1603, inner arc groove;1604, vertical plate;1605, anchor base;1606, reinforcing plate;1607, expansion anchor;17, right-angle ear seat. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Embodiment one:

[0032] As Figures 2-9 The utility model provides a rigid wall support mounting structure for car frontal crash, including lower support 1 and rigid wall subassembly 3, and the anchor point subassembly 15 of fixed installation in lower support 1 upper portion and the spacing subassembly 16 of located anchor point subassembly 15 outside, the front side of lower support 1 is provided with front support plate 2, the front side of front support plate 2 is provided with rigid wall subassembly 3, the inboard fixed mounting of rigid wall subassembly 3 is symmetrically distributed inclined stiffener 4 and vertical stiffener 5, the one side of rigid wall subassembly 3 close to front support plate 2 is fixedly installed with alignment plug-in board 7, the one side of front support plate 2 facing rigid wall subassembly 3 is opened with the alignment plug-in slot 8 of adaptation with alignment plug-in board 7;

[0033] Anchor point subassembly 15 includes anchor disc 1501, the top of anchor disc 1501 is provided with main bolt 1502 and vice bolt 1503, and main bolt 1502 and vice bolt 1503 are all through anchor disc 1501 and are threadedly connected with lower support 1;

[0034] Spacing subassembly 16 includes clamping plate 1601, the one side of clamping plate 1601 facing lower support 1 is opened with U type clamping groove 1602, the inboard fixed mounting of clamping plate 1601 is opened with the inner arc groove 1603 of the same arc with anchor disc 1501 in the inside of U type clamping groove 1602, the lower part of clamping plate 1601 is fixedly installed with vertical plate 1604, the one side of clamping plate 1601 away from lower support 1 is fixedly installed with anchor seat 1605, and the inboard of anchor seat 1605 is provided with expansion anchor bolt 1607 between anchor seat 1605 and vertical plate 1604.

[0035] The advantage is, through the design of the insertion of the alignment plug-in board 7 and the alignment plug-in slot 8, the rigid wall subassembly 3 and the front support plate 2 are quickly and accurately positioned, the alignment time during installation is reduced, the operation difficulty is reduced, the inside inclined stiffener 4 and the vertical stiffener 5 provide efficient support capacity, effectively enhance the impact resistance of the rigid wall, reduce the deformation during the collision, and prolong the service life.

[0036] Embodiment two:

[0037] As Figures 2-9 As an improvement on the previous embodiment, in order to facilitate assembly, and to resist bending on the back of the lower support 1, two identical lower supports 1 are provided, which are symmetrically distributed on the back of the front support plate 2. The one side of the lower support 1 away from the front support plate 2 is fixedly installed with a right-angle ear seat 17. The outer side of the lower support 1 is also fixedly installed with an ear 12. The one side of the lower support 1 away from the front support plate 2 is fixedly installed with a first rear support rod 13 and a second rear support rod 14. The rigid wall subassembly 3 is fixedly installed with a roller 6 at the lower part.

[0038] The advantage is that through the design of the right-angle ear seat 17, the rapid assembly of two lower supports 1 can be realized, the design of the lifting lug 12 and the roller 6 realizes the convenient hoisting and moving of the rigid wall assembly 3, and the rapid assembly can be realized, the first rear support rod 13 and the second rear support rod 14 enhance the bending resistance of the back of the lower support 1.

[0039] Example three:

[0040] As shown in Figures 2-9 As an improvement to the previous embodiment, in order to improve the connection strength between the front support plate 2 and the rigid wall assembly 3, a horizontal groove 9 is formed on the side of the front support plate 2 facing the rigid wall assembly 3, the inside of the groove 9 is provided with a locking bolt 10, the locking bolt 10 penetrates the rigid wall assembly 3 and is threadedly connected with a locking nut 11, the locking bolt 10 and the locking nut 11 are provided with the same two groups, each group of locking bolts 10 and locking nuts 11 is provided with the same number, and the plurality of locking bolts 10 and locking nuts 11 are distributed at equal intervals.

[0041] The advantage is that the vertically and equally spaced locking bolts 10 and locking nuts 11 form a multi-point rigid connection, uniformly distribute the stress at the connection, avoid deformation or failure caused by single-point overload, and improve the connection reliability of the rigid wall and the front support plate 2.

[0042] Example four:

[0043] As shown in ​ As an improvement to the previous embodiment, in order to realize the rapid assembly of the anchor point assembly 15 and the limiting assembly 16, the number of the anchor point assembly 15 and the limiting assembly 16 is the same, and they are one-to-one corresponding, the overall cross section of the limiting assembly 16 is in the shape of a "7", the anchor disc 1501 is matched with the inner arc groove 1603, the diameter of the anchor disc 1501 is equal to the groove width of the U-shaped clamping groove 1602, the number of the anchor point assembly 15 is four times that of the lower support 1, the number of the secondary bolt 1503 is four times that of the primary bolt 1502, and the secondary bolt 1503 is symmetrically distributed around the vertical center line of the primary bolt 1502, the expansion anchor 1607 adopts a full-expansion heavy anchor, the number of the reinforcing plate 1606 is twice that of the clamping plate 1601, the reinforcing plate 1606 is symmetrically distributed on the outer side of the vertical plate 1604, the clamping plate 1601 and the vertical plate 1604 are in close contact with the lower support 1, the included angle between the clamping plate 1601 and the vertical plate 1604 is 90°, and the anchor disc 1501, the clamping plate 1601, the vertical plate 1604 and the anchor seat 1605 are all made of stainless steel.

[0044] The advantage is that the anchor point assembly 15 corresponds to the limiting assembly 16 one by one, the "7" type limiting assembly 16 is clamped without gap through the U-shaped clamping groove and the inner arc groove 1603 of the arc of the anchor disc 1501, effectively constraining the displacement of the anchor disc 1501, the full expansion heavy anchor bolt meets the anchoring demand of high load in collision moment, and through the design that the reinforcing plates 1606 are symmetrically distributed on the outside of the vertical plate 1604, the strength of the vertical plate 1604 can be further strengthened, deformation of the vertical plate 1604 in the process of the collision test is avoided, and the anchor point assembly 15 and the limiting assembly 16 are assembled, and the respective assembly is also relatively simple, without pre-burying multiple anchor columns on the ground in advance, the installation cost of the rigid wall support of the automobile frontal collision is greatly reduced.

[0045] Working principle: in the process of assembly, first use lifting equipment to move the lower support 1 to the position where it needs to be installed, and adjust the angle, then install the anchor disc 1501 on the lower support 1 through the main bolt 1502 and the auxiliary bolt 1503, wait for multiple anchor point assemblies 15 to be installed in turn, check whether the angle of the lower support 1 has deviated, if not, at this time, the U-shaped clamping groove 1602 is aligned with the anchor disc 1501 and inserted, until the anchor disc 1501 is completely fitted with the inner arc groove 1603, at this time, take out the drilling equipment, align the reserved hole on the anchor base 1605 and drill downward, the drilling depth is 12CM-15CM, wait for the drilling to be completed, insert the expansion anchor bolt 1607 into the reserved hole and the drilled hole, then screw the expansion anchor bolt 1607, until the expansion anchor bolt 1607 completely locks the anchor base 1605, and then the installation of eight expansion anchor bolts 1607 is completed in turn, at this time, the installation of the limiting assembly 16 can be completed, then move the rigid wall assembly 3 to the front side of the front support plate 2 through the roller 6, insert the alignment plug-in plate 7 on the back of the rigid wall assembly 3 into the alignment plug-in slot 8, until multiple alignment plug-in plates 7 completely enter the inside of the alignment plug-in slot 8, then lock the locking bolt 10 by using the locking nut 11, after the installation of multiple locking nuts 11 and locking bolts 10 is completed, the assembly of the whole device can be completed, which is simple to operate and convenient to assemble, through the design of the alignment plug-in plate 7 and the alignment plug-in slot 8, the rapid and accurate positioning of the rigid wall assembly 3 and the front support plate 2 is realized, the alignment time during installation is reduced, the operation difficulty is reduced, the inner side inclined reinforcing rod 4 and the vertical reinforcing rod 5 provide high efficient supporting capacity, effectively enhance the impact resistance of the rigid wall, reduce the deformation during collision, and prolong the service life, through the design of the right-angle ear seat 17, the rapid assembly of two lower supports 1 can be realized, the design of the lifting lug 12 and the roller 6 realizes the convenient lifting and moving of the rigid wall assembly 3, which can be quickly assembled, the first rear support rod 13 and the second rear support rod 14 enhance the bending resistance of the back of the lower support 1, the vertically and equally spaced locking bolts 10 and locking nuts 11 form multiple point rigid connections, evenly disperse the stress at the connection, avoid deformation or failure caused by single point overload, improve the connection reliability of the rigid wall and the front support plate 2, the anchor point assembly 15 and the limiting assembly 16 correspond one by one, the "7" shaped limiting assembly 16 realizes gapless clamping through the U-shaped clamping groove and the inner arc groove 1603 with the same curvature as the anchor disc 1501, effectively restricts the displacement of the anchor disc 1501, the full expansion heavy anchor bolt meets the anchoring demand of high instantaneous load during collision, and through the design that the reinforcing plates 1606 are symmetrically distributed on the outside of the vertical plate 1604, the strength of the vertical plate 1604 can be further enhanced, deformation of the vertical plate 1604 during the collision test is avoided, and the assembly of the anchor point assembly 15 and the limiting assembly 16, as well as their respective assembly, is relatively simple, without the need to pre-bury multiple anchor columns on the ground, which greatly reduces the installation cost of the rigid wall support during the front collision of the automobile.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rigid wall bracket mounting structure for frontal collision of a vehicle, comprising a lower bracket (1) and a rigid wall assembly (3), an anchor point assembly (15) fixedly mounted on the upper part of the lower bracket (1), and a limiting assembly (16) located outside the anchor point assembly (15), characterized in that: A front support plate (2) is provided on the front side of the lower bracket (1), and a rigid wall assembly (3) is provided on the front side of the front support plate (2). A symmetrically distributed diagonal reinforcing rod (4) and a vertical reinforcing rod (5) are fixedly installed on the inner side of the rigid wall assembly (3). A positioning plug-in plate (7) is fixedly installed on the side of the rigid wall assembly (3) close to the front support plate (2). A positioning plug-in groove (8) adapted to the positioning plug-in plate (7) is opened on the side of the front support plate (2) facing the rigid wall assembly (3). The anchor point assembly (15) includes an anchor plate (1501), and a main bolt (1502) and a secondary bolt (1503) are provided at the top of the anchor plate (1501). The main bolt (1502) and the secondary bolt (1503) both pass through the anchor plate (1501) and are threadedly connected to the lower bracket (1). The limiting component (16) includes a snap-fit ​​plate (1601), on the side of the snap-fit ​​plate (1601) facing the lower bracket (1) a U-shaped slot (1602) is provided, and the inner side of the snap-fit ​​plate (1601) located inside the U-shaped slot (1602) has an inner arc groove (1603) with the same curvature as the anchor plate (1501). A vertical plate (1604) is fixedly installed on the lower part of the snap-fit ​​plate (1601), and an anchor seat (1605) is fixedly installed on the side of the snap-fit ​​plate (1601) away from the lower bracket (1). A reinforcing plate (1606) is provided between the anchor seat (1605) and the vertical plate (1604), and an expansion anchor bolt (1607) is provided on the inner side of the anchor seat (1605).

2. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The lower bracket (1) has two identical ones, and the two lower brackets (1) are symmetrically distributed on the back of the front support plate (2). A right-angle lug (17) is fixedly installed on the side of the lower bracket (1) away from the front support plate (2). A lifting lug (12) is also fixedly installed on the outer side of the lower bracket (1). A first rear support rod (13) and a second rear support rod (14) are fixedly installed on the side of the lower bracket (1) away from the front support plate (2). A roller (6) is fixedly installed on the lower part of the rigid wall assembly (3).

3. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The front support plate (2) has horizontally spaced grooves (9) on the side facing the rigid wall assembly (3). Locking bolts (10) are provided inside the grooves (9). The locking bolts (10) pass through the rigid wall assembly (3) and are threaded to lock nuts (11). There are two identical sets of locking bolts (10) and lock nuts (11). Each set of locking bolts (10) and lock nuts (11) has multiple identical sets, and the multiple locking bolts (10) and lock nuts (11) are distributed at equal intervals.

4. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The number of anchor point components (15) and limiting components (16) are the same and correspond one-to-one. The overall cross-section of the limiting component (16) is a "7" shaped structure. The anchor plate (1501) is adapted to the inner arc groove (1603). The diameter of the anchor plate (1501) is equal to the groove width of the U-shaped slot (1602).

5. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The number of anchor point assemblies (15) is four times that of the lower bracket (1), the number of secondary bolts (1503) is four times that of the main bolts (1502), and the secondary bolts (1503) are symmetrically distributed around the vertical center line of the main bolts (1502).

6. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The expansion anchor (1607) is a fully expansion heavy-duty anchor. The number of reinforcing plates (1606) is twice that of the snap-fit ​​plates (1601). The reinforcing plates (1606) are symmetrically distributed on the outside of the vertical plate (1604). Both the snap-fit ​​plates (1601) and the vertical plate (1604) are in contact with the lower bracket (1). The included angle between the snap-fit ​​plates (1601) and the vertical plate (1604) is 90°.

7. The rigid wall bracket mounting structure for frontal collision of automobiles according to claim 1, characterized in that: The anchor plate (1501), snap-fit ​​plate (1601), vertical plate (1604), and anchor seat (1605) are all made of stainless steel.

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