CN115165285A - Aluminum alloy framework strength detection device for automobile - Google Patents
Aluminum alloy framework strength detection device for automobile Download PDFInfo
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- CN115165285A CN115165285A CN202210877557.8A CN202210877557A CN115165285A CN 115165285 A CN115165285 A CN 115165285A CN 202210877557 A CN202210877557 A CN 202210877557A CN 115165285 A CN115165285 A CN 115165285A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000008093 supporting effect Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 241000209094 Oryza Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011090 solid board Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of automobile framework strength detection, in particular to an automobile aluminum alloy framework strength detection device, which mainly comprises a detection mechanism and a fixing component, and can quickly convert weight adjustment modes.
Description
Technical Field
The invention relates to the technical field of automobile framework strength detection, in particular to an automobile aluminum alloy framework strength detection device.
Background
The aluminum alloy framework for the automobile comprises an automobile body framework, an automobile door framework, a bumper framework and the like, wherein the automobile door framework and the front side and the rear side of the automobile body framework are respectively connected with an anti-collision beam framework, the anti-collision beam is a device for absorbing collision energy when the automobile is collided, and the anti-collision beam is composed of a main beam, an energy absorption box and a mounting plate connected with the automobile, wherein the main beam and the energy absorption box can effectively absorb the collision energy when the automobile is collided at a low speed, the damage of impact force to the automobile body longitudinal beam is reduced as far as possible, the protective effect of the energy absorption box on the automobile is exerted, and therefore the detection of the strength performance of the anti-collision beam main beam is particularly important during production.
Current aluminium alloy girder skeleton intensity check out test set for car divide into two kinds according to the difference of detection mode, one kind is that the mode that adopts unified regulation weight detects the girder, another kind is that the mode that adopts single regulation weight of single detects the girder, be difficult to realize the function of the unified impact weight who receives with the independent control girder of fast switch, make the girder adjust comparatively loaded down with trivial details at the in-process that detects, be difficult to the deformation condition when same batch of girder receives different weight impact of audio-visual observation simultaneously.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme that the device for detecting the strength of the aluminum alloy framework for the automobile comprises two T-shaped frames, wherein the T-shaped frames are of inverted T-shaped structures, fixing assemblies for fixing a main body beam are arranged on opposite surfaces of the two T-shaped frames, L-shaped supports which are uniformly distributed along the length direction of one T-shaped frame and are of inverted L-shaped structures are arranged at the top of the other T-shaped frame, and a detection mechanism is arranged on the L-shaped supports.
Detection mechanism is including seting up the guide way in the vertical section of L type support, sliding connection has Z type guide arm in the guide way, the bearing box is installed to the one end that L type support was kept away from to Z type guide arm, the locating piece of evenly arranging is installed to the bottom of bearing box, and the middle part fixed mounting of bearing box has fixed weight, the guide cylinder is installed at the top of fixed weight, the top of a plurality of L type supports rotates jointly through the otic placode rather than fixed connection and is connected with the winding shaft, the lateral wall of winding shaft is equipped with the coiling circle of evenly arranging along its axial cover, the coiling is circled and is had the rope, the rope runs through L type support and is connected with fixed weight after penetrating the guide cylinder, remove the weight has been placed between two adjacent locating pieces, install in the bearing box and carry out spacing subassembly to removing the weight, install jointly on a plurality of bearing boxes and transfer the heavy subassembly.
Preferably, transfer heavy subassembly including install the T template between two adjacent L type support vertical sections, the T template is kept away from the one end of L type support vertical section and is installed the backup pad along its length direction symmetrical arrangement jointly, two backup pads are located the bearing box respectively and are installed along its length direction distribution's two lateral walls directly over, remove the top of weight block and install the hanger plate, set up the jack of symmetrical arrangement on the hanger plate, sliding connection has the multiunit inserted bar of evenly arranging along its length direction in the backup pad, every group inserted bar comprises two inserted bars, inserted bar and jack one-to-one, the one end that the hanger plate was kept away from to two inserted bars of the same group installs the driving plate jointly, it evenly arranges along its length direction to rotate between two backup pads to be connected with the regulation pole of arranging along its length direction, the both ends of regulation pole are connected through screw-thread fit's mode with corresponding driving plate behind running through two backup pads respectively, install the connecting piece on the driving plate, the connecting piece is used for connecting more driving plates.
Preferably, the connecting piece includes the blend stop of two adjacent drive board opposite ends's both sides equal installation, rotate between two backup pads and install symmetrical arrangement's rotary rod, the both ends of rotary rod run through behind two backup pads respectively with the drive board sliding connection who is close to the backup pad tip, the card spout has been seted up on the rotary rod, sliding sleeve is equipped with symmetrical arrangement and is located the card strip that drives the board both sides on the rotary rod, card strip and card spout sliding fit, the card strip rotates with the drive board of being connected the rotary rod and is connected, the sliding tray has been seted up on the T template, common sliding connection has the removal frame on the sliding tray, the terminal surface that the removal frame is close to the regulation pole rotates and is connected with the drive axle of evenly arranging along its length direction, drive and connect through sprocket chain drive between the axle, the one end that the regulation pole is close to drive axle has seted up rice style of calligraphy type groove, drive epaxial set up with rice style of calligraphy groove joint complex joint groove.
Preferably, spacing subassembly is including seting up the spring groove at bearing box length direction inner wall, and the separation blade is installed through spacing spring in the spring groove, and the one end top that spacing spring was kept away from to the separation blade is the arc structure, installs the gallows that symmetrical arrangement is located fixed weight both sides between two backup pads, and the lower extreme of gallows is installed and is evenly arranged along its length direction and be used for supporting the pin that pushes away the separation blade, and the lower extreme of pin is close to the separation blade terminal surface and is the arc structure, and the pin is crisscross with the removal weight of arranging.
Preferably, two the opposite face of backup pad all installs the spacing of evenly arranging along its length direction, and spacing is located the hanger plate directly over, installs the multiunit locating plate of evenly arranging along its length direction on the spacing, and every locating plate of group comprises two locating plates that the bottom is the arc structure, and two locating plates of every group are located the both sides of hanger plate respectively.
Preferably, fixed subassembly includes the mount of following T type frame length direction evenly installed, the mount comprises horizontal segment and two vertical sections that are connected with the horizontal segment top, the one end and the T type frame fixed connection of its vertical section are kept away from to the horizontal segment of mount, the shifting chute has been seted up to two vertical section opposite faces of mount, there is pre-fixing plate through extrusion spring mounting in the shifting chute, the guide block is installed to pre-fixing plate's bottom, set up guide block sliding connection's the groove of sliding on the mount, pre-fixing plate's top is the arc structure, two pre-fixing plate's opposite face is installed and is carried out the arc piece that supports to the main part roof beam, sliding groove has been seted up on the mount, sliding connection has extrusion push plate jointly on the sliding groove of arranging along T type frame length direction, install on the extrusion push plate and support the fixed board that supports to the main part roof beam.
Preferably, the two T-shaped frames are jointly provided with a protection frame which is of a v-21274structure, the vertical sections of the two T-shaped frames are positioned in the protection frame, the opening of the protection frame is hinged with a protection door plate made of transparent materials, and the protection door plate is positioned on the T-shaped frame at one side far away from the L-shaped support.
Preferably, a reinforcing rib is arranged between the bottom of the fixing frame and the T-shaped frame.
The invention has the beneficial effects that:
1. according to the device for detecting the strength of the aluminum alloy framework for the automobile, which is disclosed by the invention, the detection mechanism is used for detecting the strength of different batches of main beams, so that the deformation degrees of the different batches of main beams are obviously compared, the main beam in which the batch has the best performance is effectively distinguished, meanwhile, the main beams in the same batch can be subjected to performance detection under different weight impacts, and the deformation condition of the main beams under the impact action is intuitively obtained by observing the deformation condition of the main beams.
2. The pre-fixing plates extrude the main body beam under the elastic force pushing action of the extrusion springs, and the main body beam is pre-fixed under the action of the two pre-fixing plates at the end part of the main body beam, so that the plurality of main body beams are uniformly fixed, and the fixing efficiency of the main body beams is improved.
3. When the bearing box falls off the stop lever, the stop piece moves out to limit the movable weight, so that the movable weight is prevented from being separated from the bearing box due to different gravity in the falling process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view of the fixing assembly of the present invention.
Fig. 3 is a cross-sectional view of the fastening assembly of the present invention.
Fig. 4 is a schematic perspective view of the detecting mechanism of the present invention.
FIG. 5 is a schematic perspective view of the load bearing box, the movable weight and the position limiting assembly according to the present invention.
Fig. 6 is a schematic structural view of the adjusting rod and the cross-shaped groove of the invention.
Fig. 7 is a schematic structural view of the snap-in groove and the driving shaft of the present invention.
Figure 8 is a schematic cross-sectional view of the load bearing box of the present invention.
In the figure: 1. a T-shaped frame; 10. a protective frame; 11. a protective door panel; 2. a main body beam; 3. a fixing assembly; 30. a fixed mount; 301. reinforcing ribs; 31. a moving groove; 32. extruding the spring; 33. pre-fixing a plate; 34. a guide block; 35. an arc-shaped block; 37. extruding a plate; 38. abutting and fixing the plate; 4. an L-shaped bracket; 5. a detection mechanism; 50. a guide groove; 51. a Z-shaped guide rod; 52. a load-bearing box; 53. positioning a block; 54. fixing a weighting block; 55. a guide cylinder; 56. a winding shaft; 57. a rope; 58. a weight adjusting component; 580. a T-shaped plate; 581. a support plate; 582. a hanger plate; 583. inserting a rod; 584. driving the plate; 585. adjusting a rod; 502. blocking strips; 503. rotating the rod; 504. clamping the strip; 505. a movable frame; 506. driving a shaft; 507. a rice-shaped groove; 508. a clamping groove; 510. a limiting frame; 511. positioning a plate; 59. a limiting component; 590. a spring slot; 591. a baffle plate; 592. a limiting spring; 593. a hanger; 594. a stop lever; 501. and moving the weighting block.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, the device for detecting the strength of the aluminum alloy framework for the automobile comprises two T-shaped frames 1, wherein the T-shaped frames 1 are of inverted T-shaped structures, fixing assemblies 3 used for fixing main body beams 2 are installed on opposite surfaces of the two T-shaped frames 1, L-shaped supports 4 which are evenly distributed along the length direction of the T-shaped frames and are of inverted L-shaped structures are installed at the top of one T-shaped frame 1, and detection mechanisms 5 are installed on the L-shaped supports 4.
Referring to fig. 1, the two T-shaped frames 1 are jointly provided with a protection frame 10, the protection frame 10 is of a structure like a turned 21274, the vertical sections of the two T-shaped frames 1 are located in the protection frame 10, a protection door panel 11 made of transparent material is hinged at an opening of the protection frame 10, the protection door panel 11 is located on the T-shaped frame 1 far away from one side of the L-shaped support 4, the protection frame 10 and the protection door panel 11 are used for protection, so that the phenomenon that a worker is injured by splashing of fragments generated by fracture in the detection process of the main body beam 2 is prevented, and meanwhile, the protection door panel 11 is convenient for observing the strength detection condition of the main body beam 2.
Referring to fig. 2 and 3, the fixing assembly 3 includes a fixing frame 30 uniformly installed along the length direction of the T-shaped frame 1, the fixing frame 30 is composed of a horizontal section and two vertical sections connected to the top of the horizontal section, one end of the horizontal section of the fixing frame 30 away from the vertical sections is fixedly connected to the T-shaped frame 1, two opposite vertical sections of the fixing frame 30 are provided with a moving groove 31, a pre-fixing plate 33 is installed in the moving groove 31 through an extrusion spring 32, a guide block 34 is installed at the bottom of the pre-fixing plate 33, a sliding groove in which the guide block 34 is slidably connected is formed in the fixing frame 30, the top of the pre-fixing plate 33 is of an arc structure, arc blocks 35 supporting the main body beam 2 are installed on opposite surfaces of the two pre-fixing plates 33, the fixing frame 30 is provided with a sliding groove, an extrusion push plate 37 is slidably connected to the sliding grooves arranged along the length direction of the T-shaped frame 1 together, and a supporting plate 38 for tightly fixing the main body beam 2 is installed on the extrusion plate 37.
Put into between two pre-fixing plate 33 tops on the same mount 30 with main part roof beam 2, pre-fixing plate 33 extrudes main part roof beam 2 under the elasticity impetus of extrusion spring 32, make main part roof beam 2 obtain pre-fixing, so that unify fixedly to a plurality of main part roof beams 2, later drive extrusion board 37 and support solid board 38 and remove through the electronic slider of external drive, make the both ends of supporting solid board 38 with main part roof beam 2 of both sides support tight fixedly, prevent that the in-process main part roof beam 2 that detects from taking place to remove, lead to detecting inaccurate problem.
Referring to fig. 2, a reinforcing rib 301 is installed between the bottom of the fixing frame 30 and the T-shaped frame 1, and the reinforcing rib 301 is used for reinforcing the supporting effect of the fixing frame 30.
Referring to fig. 1, 4 and 8, the detecting mechanism 5 includes a guide groove 50 formed in a vertical section of the L-shaped bracket 4, a Z-shaped guide rod 51 is slidably connected in the guide groove 50, a bearing box 52 is installed at one end of the Z-shaped guide rod 51 far away from the L-shaped bracket 4, positioning blocks 53 uniformly arranged are installed at the bottom of the bearing box 52, a fixed weighting block 54 is fixedly installed in the middle of the bearing box 52, a guide cylinder 55 is installed at the top of the fixed weighting block 54, a winding shaft 56 is rotatably connected to the tops of the L-shaped brackets 4 through ear plates fixedly connected to the top of the L-shaped brackets 4, winding rings uniformly arranged are sleeved on the side walls of the winding shaft 56 along the axial direction of the winding ring, a rope 57 is wound on the winding rings, the rope 57 penetrates through the L-shaped bracket 4 and penetrates through the guide cylinder 55 to be connected to the fixed weighting block 54, a movable weighting block 501 is placed between two adjacent positioning blocks 53, a limiting assembly 59 for limiting the movable weighting block 501 is installed in the bearing box 52, and a weight adjusting assembly 58 is installed on the bearing boxes 52.
Positioning block 53 is used for carrying out guiding orientation to the placing of removing weight 501 to in removing the smooth entering bearing box 52 of weight 501, when detecting, carry out spacing regulation to removing weight 501 through transferring heavy subassembly 58, thereby make the weight in the bearing box 52 adjusted, later when detecting, the coiling axle 56 no longer convolutes rope 57, rope 57 moves down fast under the effect of bearing box 52 gravity, detects main part roof beam 2's impact strength.
Referring to fig. 4 and 5, the weight-adjusting assembly 58 includes a T-shaped plate 580 installed between two adjacent vertical sections of the L-shaped bracket 4, support plates 581 symmetrically arranged along the length direction are installed at the ends of the T-shaped plate 580 far away from the vertical sections of the L-shaped bracket 4, the two support plates 581 are respectively located right above two side walls of the weight-bearing box 52 distributed along the length direction thereof, a hanging plate 582 is installed at the top of the movable weight 501, symmetrically arranged insertion holes are formed on the hanging plate 582, a plurality of groups of insertion rods 583 evenly arranged along the length direction are connected on the support plates 581 in a sliding manner, each group of insertion rods 583 is composed of two insertion rods 583, the insertion rods 583 correspond to the insertion holes one by one, a driving plate 584 is installed at the end of each of the two insertion rods 583 in the same group far away from the hanging plate 582, an adjusting rod 585 evenly arranged along the length direction is connected between the two support plates 581 in a rotating manner, two ends of the adjusting rod 585 respectively penetrate through the two support plates 581 and then are connected with the corresponding driving plates 584 in a threaded manner, a connecting piece is installed on the driving plate 584, and the connecting piece is used for connecting a plurality of the driving plates 584.
The winding shaft 56 is driven to rotate by an external winding motor, the rope 57 is wound by the winding shaft 56, the guide cylinder 55 is abutted against the L-shaped support 4, whether the plurality of adjusting rods 585 are connected through the connecting piece is selected according to needs, when the weights in the plurality of bearing boxes 52 need to be adjusted synchronously, the plurality of adjusting rods 585 are connected through the connecting piece, after one adjusting rod 585 is rotated, the rest adjusting rods 585 rotate synchronously, when the weights in the bearing boxes 52 need to be adjusted independently, the adjusting rods 585 are not connected through the connecting piece, the corresponding adjusting rods 585 are rotated at the moment, the adjusting rods 585 are matched with the threads of the driving plate 584 to enable the driving plate 584 to move, the driving plate 584 drives the inserting rod 583 to move, so that the inserting rod 583 is moved out of or inserted into the corresponding inserting hole, fixing or unfixing of the movable weighting block 501 on the lower side of the hanging plate 582 is realized, the weights when the bearing boxes 52 move downwards are adjusted, and then the main body beam 2 is detected by the detection mechanism 5.
Referring to fig. 4, 6 and 7, the connecting member includes two blocking strips 502 mounted on two sides of opposite ends of two adjacent driving plates 584, a rotating rod 503 symmetrically disposed is rotatably mounted between two supporting plates 581, two ends of the rotating rod 503 are slidably connected with the driving plates 584 near ends of the supporting plates 581 after penetrating through the two supporting plates 581 respectively, a clamping sliding slot is formed in the rotating rod 503, a clamping strip 504 symmetrically disposed and located on two sides of the driving plate 584 is slidably sleeved on the rotating rod 503, the clamping strip 504 is in sliding fit with the clamping sliding slot, the clamping strip 504 is rotatably connected with the driving plate 584 connected with the rotating rod 503, a sliding slot is formed in the T-shaped plate 580, a moving frame 505 is slidably connected to the sliding slot together, a driving shaft 506 uniformly arranged along the length direction is rotatably connected to an end surface of the moving frame 505 near the adjusting rod 585, the driving shaft 506 is connected to the driving shaft 506 through a sprocket chain, a m-shaped slot 507 is formed in one end of the adjusting rod 585 near the driving shaft 506, and a clamping slot 508 in clamping fit with the m-shaped slot 507 is formed in the driving shaft 506.
When carrying out the intensity properties to same batch of main part roof beam 2 and survey under different weight impact, can adjust every regulation pole 585 alone to adjust the weight in every bearing box 52 to different, through the deformation condition who observes main part roof beam 2, audio-visual judgement main part roof beam 2 takes place to warp under big weight impact.
When the strength of the main body beams 2 of different batches is detected under the impact of the same weight, the rotating rod 503 is rotated to drive the two clamping strips 504 connected with the rotating rod to rotate to the positions above the blocking strips 502 on the adjacent driving plates 584, so that the plurality of driving plates 584 are connected under the limiting action of the clamping strips 504, then the moving frame 505 and the driving shaft 506 are driven by an external driving device (such as an electric slider) to move towards the adjusting rods 585, so that the groove 507 shaped like a Chinese character 'mi' on the driving shaft 506 is in inserted connection with the clamping groove 508, thereby realizing the connection between the driving shaft 506 and the adjusting rods 585, the driving shaft 506 and the adjusting rods 585 are detachably connected, so that the plurality of adjusting rods 585 can be synchronously rotated and independently rotated, the driving shaft 506 is driven to synchronously by the external driving rotation connected with one of the driving shaft 506, the lengths of the inserting rods 583 into the hanging plates 582 are more accurate, the accuracy of weight adjustment in the load-bearing box 52 is improved, the problem that the strength of the main body beams 2 of different batches is not accurately detected by the rotating rod 584, and the accurate detection of the main body beams 584 can be detected when the main body beams 2 of different batches are accurately detected, and the main body beams 584 cannot be detected in different batches simultaneously, and the strength of different batches can be detected by the main body beams 2 is obviously detected, and the impact resistance of the main body beams 2.
Referring to fig. 8, the limiting component 59 comprises a spring groove 590 formed in the inner wall of the bearing box 52 in the length direction, a blocking piece 591 is installed in the spring groove 590 through a limiting spring 592, the top of one end, far away from the limiting spring 592, of the blocking piece 591 is of an arc-shaped structure, hangers 593 which are symmetrically arranged and located on two sides of the fixed weighting block 54 are installed between the two support plates 581, blocking rods 594 which are evenly arranged along the length direction of the lower end of each hanger 593 and used for pushing against the blocking piece 591 are installed, the end faces, close to the blocking piece 591, of the lower ends of the blocking rods 594 are of the arc-shaped structures, and the blocking rods 594 are arranged in a staggered mode with the movable weighting block 501.
When the bearing box 52 falls and is separated from the stop lever 594, the stop sheet 591 is moved out to limit the top of the movable weight 501, the movable weight 501 is prevented from being separated from the bearing box 52 in the falling process, in the upward movement process of the bearing box 52, after the stop lever 594 is inserted into the bearing box 52, the arc-shaped end face of the lower end of the stop lever 594 extrudes the stop sheet 591, the stop sheet 591 contracts into the spring groove 590 under the extrusion effect, the stop sheet 591 does not limit the movable weight 501 any more, so that the insertion rod 583 can be inserted into the corresponding insertion hole, the number of the movable weight 501 moving along with the bearing box 52 is adjusted, and the convenience in fixing and inserting of the movable weight 501 is improved.
Referring to fig. 5, the opposite surfaces of the two supporting plates 581 are respectively provided with a limiting frame 510 uniformly arranged along the length direction, the limiting frame 510 is located right above the hanging plate 582, the limiting frame 510 is provided with a plurality of groups of positioning plates 511 uniformly arranged along the length direction, each group of positioning plates 511 is composed of two positioning plates 511 with arc-shaped bottoms, and the two positioning plates 511 of each group are respectively located at two sides of the hanging plate 582.
The locating plate 511 carries out spacing and location to hanger plate 582, prevents that hanger plate 582 from also being convenient for inserted bar 583 to insert in the jack when inserting bar 583 axial displacement.
When the main beam strength detection device works, the main beams 2 extracted from the same batch/the main beams 2 extracted from different batches are marked and then sequentially placed on the fixing assemblies 3 to be fixed, when the main beams 2 extracted from different batches are required to be subjected to strength detection under the same weight impact, the weights in the bearing boxes 52 are subjected to the same adjustment through the weight adjusting assembly 58, then the main beams 2 are detected through the detection mechanism 5, so that the strength of the main beams 2 in different batches is detected, the impact resistance capability of each main beam 2 is obviously compared, which batch of main beams 2 is the best in strength performance can be rapidly distinguished, the main beams 2 in the same batch can be subjected to strength performance detection under different weight impacts, the weights in the bearing boxes 52 are adjusted to be different weights during detection, then the main beams 2 are detected through the detection mechanism 5, then the deformation condition of the main beams 2 is observed, the deformation condition of the main beams 2 under the impact action of different weights can be visually judged, the deformation or even the fracture of the main beams 2 and the qualified detection weight of the strength performance or the qualified detection parts of the main beams 2 can be judged, and whether the main beams 2 are deformed or not can be compared.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an aluminum alloy skeleton intensity detection device for car which characterized in that: the device comprises two T-shaped frames (1), wherein the T-shaped frames (1) are of an inverted T-shaped structure, fixing assemblies (3) for fixing a main body beam (2) are arranged on opposite surfaces of the two T-shaped frames (1), L-shaped supports (4) which are uniformly distributed along the length direction of the top of one T-shaped frame (1) and are of an inverted L-shaped structure are arranged at the top of the other T-shaped frame (1), and detection mechanisms (5) are arranged on the L-shaped supports (4);
detection mechanism (5) is including offering guide way (50) at L type support (4) vertical section, sliding connection has Z type guide arm (51) in guide way (50), bearing box (52) are installed to the one end that L type support (4) were kept away from in Z type guide arm (51), locating piece (53) of evenly arranging are installed to the bottom of bearing box (52), and the middle part fixed mounting of bearing box (52) has fixed weighting block (54), guide cylinder (55) are installed at the top of fixed weighting block (54), the top of a plurality of L type supports (4) is connected with coiling axle (56) through the otic placode common rotation rather than fixed connection, the lateral wall of coiling axle (56) is equipped with the winding circle of evenly arranging along its axial cover, the coiling has rope (57) on the winding circle, rope (57) run through L type support (4) and are connected with fixed weighting block (54) after penetrating guide cylinder (55), remove weighting block (501) has been placed between two adjacent locating piece (53), install spacing weighting block (501) in bearing box (52) and carry out spacing bearing box subassembly (59) that spacing was carried out on the weight (501), common weight subassembly (52) is installed.
2. The aluminum alloy framework strength detection device for the automobile as recited in claim 1, wherein: transfer heavy subassembly (58) including installing T template (580) between two adjacent L type support (4) vertical sections, the backup pad (581) of following its length direction symmetrical arrangement is installed jointly to the one end that L type support (4) vertical section was kept away from in T template (580), two backup pads (581) are located bearing box (52) directly over along two lateral walls of its length direction distribution respectively, hanger plate (582) are installed to the top of removing weighting piece (501), set up the jack of symmetrical arrangement on hanger plate (582), sliding connection has multiunit inserted bar (583) of evenly arranging along its length direction on backup pad (581), every group inserted bar (583) comprises two inserted bar (583), inserted bar (583) and jack one-to-one, the one end of keeping away from hanger plate (582) with two inserted bar (583) of group installs driving plate (584) jointly, it has regulation pole (585) of evenly arranging along its length direction to rotate between two backup pads (581), the both ends of regulation pole (585) run through behind two backup pads (584) respectively and the corresponding screw thread connection spare (584) is used for driving the board and is connected, the many belt connection spare (584) is connected.
3. The aluminum alloy framework strength detection device for the automobile as recited in claim 2, characterized in that: the connecting piece includes that the both sides of two adjacent drive board (584) looks remote site all install blend stop (502), rotate between two backup pad (581) and install symmetrical arrangement's rotary rod (503), the both ends of rotary rod (503) run through behind two backup pad (581) respectively and drive board (584) sliding connection near backup pad (581) tip, the card spout has been seted up on rotary rod (503), sliding sleeve is equipped with card strip (504) of symmetrical arrangement and being located drive board (584) both sides on rotary rod (503), card strip (504) and card spout sliding fit, card strip (504) are rotated with drive board (584) of being connected rotary rod (503) and are connected, the sliding tray has been seted up on T template (580), common sliding connection has removal frame (505) on the sliding tray, the terminal surface that removal frame (505) is close to adjusting pole (585) rotates and is connected with drive axle (506) of evenly arranging along its length direction, drive between axle (506) and connect through sprocket chain drive, adjust pole (585) are close to the one end of drive axle (506) and have seted up rice style of calligraphy groove (507), drive axle (506) and set up joint style of rice style of calligraphy cooperation (508).
4. The aluminum alloy framework strength detection device for the automobile as recited in claim 2, wherein: spacing subassembly (59) are including seting up spring groove (590) at bearing box (52) length direction inner wall, separation blade (591) are installed through spacing spring (592) in spring groove (590), the one end top that spacing spring (592) were kept away from in separation blade (591) is the arc structure, install between two backup pad (581) hanger (593) that symmetrical arrangement is located fixed weighting piece (54) both sides, the lower extreme of hanger (593) is installed and is evenly arranged and be used for supporting the pin (594) that pushes away separation blade (591), the lower extreme of pin (594) is close to separation blade (591) terminal surface and is the arc structure, pin (594) and removal weighting piece (501) crisscross the arranging.
5. The aluminum alloy framework strength detection device for the automobile as recited in claim 2, characterized in that: two spacing (510) of evenly arranging along its length direction are all installed to the opposite face of backup pad (581), and spacing (510) are located hanger plate (582) directly over, install multiunit locating plate (511) of evenly arranging along its length direction on spacing (510), and every group locating plate (511) comprises two locating plates (511) that the bottom is the arc structure, and two locating plates (511) of every group are located the both sides of hanger plate (582) respectively.
6. The aluminum alloy framework strength detection device for the automobile according to claim 1, characterized in that: fixed subassembly (3) include mount (30) along T type frame (1) length direction evenly installed, mount (30) comprise horizontal segment and two vertical sections that are connected with the horizontal segment top, the one end and T type frame (1) fixed connection of its vertical section are kept away from to the horizontal segment of mount (30), shifting chute (31) have been seted up to two vertical section opposite faces of mount (30), install through extrusion spring (32) in shifting chute (31) and prefasten board (33), guide block (34) are installed to the bottom of prefasten board (33), set up guide block (34) sliding connection's the groove of sliding on mount (30), the top of prefastening board (33) is the arc structure, arc piece (35) that supports main part roof beam (2) are installed to the opposite face of two prefasten boards (33), the sliding pressure groove has been seted up on mount (30), sliding pressure groove has crowded push pedal (37) jointly to sliding pressure groove on arranging along T type frame (1) length direction, install on crowded push pedal (37) and carry out supporting plate (38) the tight support that supports main part fixed roof beam (2).
7. The aluminum alloy framework strength detection device for the automobile as recited in claim 1, wherein: the two T-shaped frames (1) are jointly provided with a protective frame (10), the protective frame (10) is of a structure like a model of 21274, the vertical sections of the two T-shaped frames (1) are positioned in the protective frame (10), a protective door panel (11) made of transparent materials is hinged at the opening of the protective frame (10), and the protective door panel (11) is positioned on the T-shaped frame (1) on one side far away from the L-shaped support (4).
8. The aluminum alloy framework strength detection device for the automobile as recited in claim 6, wherein: and a reinforcing rib (301) is arranged between the bottom of the fixing frame (30) and the T-shaped frame (1).
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