CN115165285B - Aluminum alloy skeleton strength detection device for automobile - Google Patents
Aluminum alloy skeleton strength detection device for automobile Download PDFInfo
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- CN115165285B CN115165285B CN202210877557.8A CN202210877557A CN115165285B CN 115165285 B CN115165285 B CN 115165285B CN 202210877557 A CN202210877557 A CN 202210877557A CN 115165285 B CN115165285 B CN 115165285B
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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 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000670 limiting effect Effects 0.000 claims description 24
- 230000008093 supporting effect Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000011090 solid board Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006583 body weight regulation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of automobile skeleton strength detection, in particular to an automobile aluminum alloy skeleton strength detection device which mainly comprises a detection mechanism and a fixing assembly.
Description
Technical Field
The invention relates to the technical field of automobile skeleton strength detection, in particular to an aluminum alloy skeleton strength detection device for an automobile.
Background
The automobile aluminum alloy framework comprises a vehicle body framework, a vehicle door framework, a bumper framework and the like, wherein the front side and the rear side of the vehicle door framework are connected with an anti-collision beam framework, an anti-collision beam is a device for absorbing collision energy when a vehicle is collided, the anti-collision beam is composed of a main beam, an energy absorption box and a mounting plate connected with the vehicle, the main beam and the energy absorption box can effectively absorb the collision energy when the vehicle collides at a low speed, the damage of impact force to the vehicle body longitudinal beam is reduced as much as possible, the protection effect of the anti-collision beam on the vehicle is exerted, and therefore the strength performance detection of the main beam of the anti-collision beam is particularly important when the automobile is produced.
The existing aluminum alloy girder skeleton strength detection equipment for automobiles is divided into two types according to the difference of detection modes, one type is that the girder is detected by adopting a mode of uniformly adjusting the weight, the other type is that the girder is detected by adopting a mode of singly adjusting the weight, and the functions of rapidly converting uniformly and independently adjusting the impact weight received by the girder are difficult to realize, so that the girder is more complicated to adjust in the detection process, and the deformation condition of the same batch of girders when the girders are impacted by different weights is difficult to visually observe.
Disclosure of Invention
In order to solve the problems, the technical scheme is adopted by the invention, the strength detection device for the aluminum alloy framework for the automobile comprises two T-shaped frames, wherein the T-shaped frames are of an inverted T-shaped structure, fixing assemblies for fixing main body beams are arranged on opposite surfaces of the two T-shaped frames, L-shaped brackets which are uniformly distributed along the length direction of one T-shaped frame and are of an inverted L-shaped structure are arranged at the top of one T-shaped frame, and detection mechanisms are arranged on the L-shaped brackets.
The detection mechanism comprises a guide groove which is formed in the vertical section of the L-shaped support, a Z-shaped guide rod is connected in the guide groove in a sliding manner, a bearing box is arranged at one end of the Z-shaped guide rod, which is far away from the L-shaped support, a positioning block which is uniformly distributed is arranged at the bottom of the bearing box, a fixed weighting block is fixedly arranged in the middle of the bearing box, a guide cylinder is arranged at the top of the fixed weighting block, winding shafts are connected at the tops of the L-shaped supports in a rotating manner through lugs which are fixedly connected with the tops of the L-shaped supports in a rotating manner, winding rings which are uniformly distributed are sleeved on the side walls of the winding shafts in the axial direction of the winding shafts, ropes are wound on the winding rings, penetrate through the L-shaped support and are connected with the fixed weighting block after penetrating the guide cylinder, a movable weighting block is arranged between two adjacent positioning blocks, a limiting component which limits the movable weighting block is arranged in the bearing box, and weight adjusting components are commonly arranged on the plurality of bearing boxes.
Preferably, the weight adjusting component comprises a T-shaped plate arranged between two adjacent L-shaped support vertical sections, the T-shaped plate is far away from one end of the L-shaped support vertical sections and is provided with support plates which are symmetrically arranged along the length direction of the T-shaped plate, the two support plates are respectively positioned right above two side walls of the bearing box which are distributed along the length direction of the bearing box, the top of the movable weight adding block is provided with a hanging plate, the hanging plate is provided with symmetrically arranged jacks, the support plates are slidably connected with a plurality of groups of inserting rods which are uniformly arranged along the length direction of the movable weight adding block, each group of inserting rods consists of two inserting rods, the inserting rods are in one-to-one correspondence with the jacks, one end of the two inserting rods of the same group, which are far away from the hanging plate, is provided with driving plates jointly, adjusting rods which are uniformly arranged along the length direction of the two support plates are rotationally connected, two ends of each adjusting rod respectively penetrate through the two support plates and then are connected with the corresponding driving plates in a threaded fit mode, and the driving plates are provided with connecting pieces.
Preferably, the connecting piece includes the blend stop that both sides of two adjacent drive board opposite ends all were installed, 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 be close to the drive board sliding connection of backup pad tip, the card spout has been seted up on the rotary rod, the slip cap 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, card strip and the drive board rotation of connecting the rotary rod are connected, the sliding tray has been seted up on the T template, joint sliding connection has the movable frame on the sliding tray, the terminal surface rotation that the movable frame is close to the regulation pole is connected with the drive axle of evenly arranging along its length direction, drive through sprocket chain transmission between the axle and be connected, the rice style of calligraphy groove has been seted up to the one end that the regulation pole is close to the drive axle, set up with rice style of calligraphy groove joint complex joint groove on the drive axle.
Preferably, the spacing subassembly is including seting up the spring groove at bearing box length direction inner wall, installs the separation blade through spacing spring in the spring groove, and the one end top that spacing spring was kept away from to the separation blade is arc structure, installs symmetrical arrangement between two backup pads and is located the gallows of fixed weighting piece both sides, and the pin that is used for supporting the separation blade is evenly arranged along its length direction is installed to the lower extreme of gallows, and the lower extreme of pin is close to the separation blade terminal surface and is arc structure, and the pin is staggered with the removal weighting piece.
Preferably, the limiting frames which are uniformly distributed along the length direction of the two opposite surfaces of the supporting plate are arranged, the limiting frames are positioned right above the hanging plate, a plurality of groups of positioning plates which are uniformly distributed along the length direction of the limiting frames are arranged on the limiting frames, each group of positioning plates consists of two positioning plates with arc-shaped bottoms, and the two positioning plates of each group are respectively positioned at two sides of the hanging plate.
Preferably, the fixed subassembly includes the mount of evenly installing along T type frame length direction, the mount comprises the horizontal segment and two vertical sections that are connected with horizontal segment top, the horizontal segment of mount is kept away from its one end and T type frame fixed connection of vertical segment, the removal groove has been seted up to two vertical segment opposite faces of mount, install the pre-solid board through the extrusion spring in the removal groove, the guide block is installed to the bottom of pre-solid board, guide block sliding connection's sliding groove has been seted up on the mount, the top of pre-solid board is the arc structure, the arc piece that supports the main part roof beam is installed to the opposite face of two pre-solid boards, the sliding groove has been seted up on the mount, common sliding connection has the extrusion board on the sliding groove of arranging along T type frame length direction, install the butt solid board of supporting the fastening to main part roof beam on the extrusion board.
Preferably, two install the protection frame jointly on the T type frame, the protection frame is 匚 type structure, and the vertical section of two T type frames all is located the protection frame, and the opening part of protection frame articulates there is the protection door plant of transparent material, and the protection door plant is located the T type frame of keeping away from L type support one side.
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 aluminum alloy skeleton strength detection device for the automobile, which is designed by the invention, the strength of the main body beams in different batches is detected through the detection mechanism, so that the deformation degrees of the main body beams in different batches are obviously compared, the main body beams in which batch have the best performance can be effectively distinguished, meanwhile, the performance of the main body beams in the same batch can be detected under the impact of different weights, and the deformation condition of the main body beams under the impact action can be intuitively obtained through observing the deformation condition of the main body beams.
2. The pre-fixing plates in the invention extrude the main body beam under the action of the elastic force of the extrusion springs, and the main body beam is pre-fixed under the action of the two pre-fixing plates at the end parts of the main body beam, so that a plurality of main body beams are uniformly fixed, and the fixing efficiency of the main body beam is improved.
3. When the bearing box falls off the stop lever, the stop piece moves out to limit the movable weighting block, so that the movable weighting block is prevented from being separated from the bearing box due to different gravity in the falling process.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the fixing assembly of the present invention.
Fig. 3 is a cross-sectional view of the securing assembly of the present invention.
Fig. 4 is a schematic perspective view of the detection mechanism of the present invention.
Fig. 5 is a schematic perspective view of the bearing box, the movable weighting block and the limiting assembly of the present invention.
FIG. 6 is a schematic view of the structure of the adjusting lever and the Chinese character 'mi' shaped groove of the present invention.
Fig. 7 is a schematic structural view of the clamping groove and the driving shaft of the present invention.
Fig. 8 is a schematic cross-sectional view of a loadbearing cartridge 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 fixing frame; 301. reinforcing ribs; 31. a moving groove; 32. extruding a spring; 33. a pre-fixing plate; 34. a guide block; 35. an arc-shaped block; 37. a push plate; 38. a supporting plate; 4. an L-shaped bracket; 5. a detection mechanism; 50. a guide groove; 51. a Z-shaped guide rod; 52. a bearing box; 53. a positioning block; 54. fixing a weighting block; 55. a guide cylinder; 56. a winding shaft; 57. a rope; 58. a weight adjusting component; 580. t-shaped plates; 581. a support plate; 582. a hanger plate; 583. a rod; 584. a driving plate; 585. an adjusting rod; 502. a barrier strip; 503. a rotating rod; 504. clamping strips; 505. a moving rack; 506. a driving shaft; 507. a rice-shaped groove; 508. a clamping groove; 510. a limiting frame; 511. a positioning plate; 59. a limit component; 590. a spring groove; 591. a baffle; 592. a limit spring; 593. a hanging bracket; 594. a stop lever; 501. and (5) moving the weighting block.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, an aluminum alloy skeleton strength detection device for an automobile comprises two T-shaped frames 1, wherein the T-shaped frames 1 are of an inverted T-shaped structure, a fixing component 3 for fixing a main body beam 2 is arranged on opposite surfaces of the two T-shaped frames 1, an L-shaped support 4 which is uniformly distributed along the length direction of one T-shaped frame 1 and is of an inverted L-shaped structure is arranged at the top of one T-shaped frame 1, and a detection mechanism 5 is arranged on the L-shaped support 4.
Referring to fig. 1, two protection frames 10 are jointly installed on the T-shaped frames 1, the protection frames 10 are 匚 -shaped structures, vertical sections of the two T-shaped frames 1 are all located in the protection frames 10, the opening of each protection frame 10 is hinged with a protection door plate 11 made of transparent materials, each protection door plate 11 is located on the T-shaped frame 1 far away from one side of the L-shaped support 4, the protection frames 10 and the protection door plates 11 are both used for protection, fragments generated by fracture in the process of detection of the main body beam 2 are prevented from splashing to hurt workers, and meanwhile, the protection door plates 11 are also 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 mounted 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 with the top of the horizontal section, one end of the horizontal section of the fixing frame 30, which is far away from the vertical section, is fixedly connected with the T-shaped frame 1, moving grooves 31 are formed in opposite surfaces of the two vertical sections of the fixing frame 30, pre-fixing plates 33 are mounted in the moving grooves 31 through extrusion springs 32, guide blocks 34 are mounted at the bottoms of the pre-fixing plates 33, sliding grooves in sliding connection with the guide blocks 34 are formed in the fixing frame 30, the tops of the pre-fixing plates 33 are arc-shaped structures, arc-shaped blocks 35 for supporting the main body beam 2 are mounted on opposite surfaces of the two pre-fixing plates 33, sliding grooves are formed in the fixing frame 30, pushing plates 37 are connected with the sliding grooves arranged along the length direction of the T-shaped frame 1 in a sliding manner, and supporting plates 38 for supporting and fixing the main body beam 2.
The main body beam 2 is placed between the two pre-fixing plates 33 on the same fixing frame 30, the pre-fixing plates 33 extrude the main body beam 2 under the action of the elastic force of the extrusion springs 32, so that the main body beam 2 is pre-fixed, a plurality of main body beams 2 are uniformly fixed, then the extrusion plates 37 and the supporting plates 38 are driven to move by an external driving electric sliding block, the two ends of the main body beam 2 are supported and fixed by the supporting plates 38 on two sides, and the main body beam 2 is prevented from moving in the detection process, so that the inaccurate detection problem is caused.
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 detection mechanism 5 includes a guide slot 50 provided at a vertical section of the L-shaped bracket 4, a Z-shaped guide rod 51 is slidably connected in the guide slot 50, a bearing box 52 is mounted at one end of the Z-shaped guide rod 51 far away from the L-shaped bracket 4, a uniformly arranged positioning block 53 is mounted at the bottom of the bearing box 52, a fixed weighting block 54 is fixedly mounted in the middle of the bearing box 52, a guide cylinder 55 is mounted at the top of the fixed weighting block 54, winding shafts 56 are connected at the tops of the L-shaped brackets 4 in a rotating manner through lugs fixedly connected with the L-shaped brackets, uniformly arranged winding rings are sleeved on the side walls of the winding shafts 56 along the axial direction of the winding shafts, ropes 57 are wound on the winding rings, the ropes 57 penetrate through the L-shaped bracket 4 and are connected with the fixed weighting blocks 54 after penetrating into the guide cylinder 55, a movable weighting block 501 is mounted between two adjacent positioning blocks 53, a limiting component 59 for limiting the movable weighting block 501 is mounted in the bearing box 52, and weight adjusting components 58 are mounted on the plurality of boxes 52 together.
The positioning block 53 is used for guiding and positioning the placement of the movable weighting block 501, so that the movable weighting block 501 smoothly enters the bearing box 52, and during detection, the weight in the bearing box 52 is regulated by limiting regulation of the movable weighting block 501 through the weight regulating component 58, then during detection, the winding shaft 56 does not wind the rope 57 any more, the rope 57 moves downwards rapidly under the action of the gravity of the bearing box 52, and the impact strength of the main body beam 2 is detected.
Referring to fig. 4 and 5, the weight adjusting assembly 58 includes a T-shaped plate 580 installed between two vertical sections of the adjacent L-shaped brackets 4, the end of the T-shaped plate 580 away from the vertical section of the L-shaped bracket 4 is provided with support plates 581 symmetrically arranged along the length direction thereof, the two support plates 581 are respectively located right above two side walls of the bearing box 52 distributed along the length direction thereof, the top of the movable weighting block 501 is provided with a lifting plate 582, the lifting plate 582 is provided with symmetrically arranged jacks, the support plates 581 are slidingly connected with a plurality of groups of inserting rods 583 uniformly arranged along the length direction thereof, each group of inserting rods 583 is composed of two inserting rods 583, the inserting rods 583 are in one-to-one correspondence with the jacks, one end of the two inserting rods 583 of the same group away from the lifting plate 582 is provided with a driving plate 584 jointly, the two support plates 581 are rotationally connected with adjusting rods 585 uniformly arranged along the length direction thereof, and two ends of the adjusting rods 585 respectively penetrate through the two support plates 581 and then are connected with the corresponding driving plates 584 in a threaded fit manner, and a connecting piece is installed on the driving plate 584, and the connecting piece is used for connecting a plurality of driving plates 584.
The winding shaft 56 is driven to rotate by an external winding motor, the winding shaft 56 winds the rope 57, the guide cylinder 55 is abutted against the L-shaped bracket 4, whether a plurality of adjusting rods 585 are connected by connecting pieces is selected at the moment according to the requirement, when the weight in the plurality of bearing boxes 52 is required to be synchronously adjusted, the plurality of adjusting rods 585 are connected by the connecting pieces, after one of the adjusting rods 585 is rotated, the rest of the adjusting rods 585 are synchronously rotated, when the weight in the bearing boxes 52 is required to be independently adjusted, the adjusting rods 585 are not connected by the connecting pieces, at the moment, the corresponding adjusting rods 585 are rotated, the driving plate 584 is driven to move by the threaded fit of the driving plate 584, 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 holes, the fixed or unfixed movable weighting block 501 at the lower side of the hanging plate 582 is realized, the weight when the bearing boxes 52 are downwards moved is adjusted, and then the main body beam 2 is detected by the detection mechanism 5.
Referring to fig. 4,6 and 7, the connecting piece includes two barrier strips 502 installed on two opposite sides of two adjacent driving plates 584, a rotating rod 503 symmetrically arranged is rotatably installed between two supporting plates 581, two ends of the rotating rod 503 respectively penetrate through the two supporting plates 581 and then are slidably connected with the driving plates 584 near the ends of the supporting plates 581, a clamping chute is formed on the rotating rod 503, clamping strips 504 symmetrically arranged and located on two sides of the driving plates 584 are slidably sleeved on the rotating rod 503, the clamping strips 504 are slidably matched with the clamping chute, the clamping strips 504 are rotatably connected with the driving plates 584 connected with the rotating rod 503, sliding grooves are formed on the T-shaped plates 580, movable frames 505 are slidably connected together on the sliding grooves, end faces of the movable frames 505, which are close to the adjusting rods 585, are rotatably connected with driving shafts 506 uniformly distributed along the length direction of the movable frames, the driving shafts 506 are in transmission connection through sprocket chains, rice-shaped grooves 507 are formed at one ends of the adjusting rods 585, which are close to the driving shafts 506, and clamping grooves 508 are in clamping fit with the rice-shaped grooves 507 are formed on the driving shafts 506.
When the strength performance of the main body beams 2 in the same batch is detected under the impact of different weights, each adjusting rod 585 can be independently adjusted, so that the weight in each bearing box 52 is adjusted to be different, and the deformation condition of the main body beams 2 is observed to intuitively judge the deformation of the main body beams 2 under the impact action of the weight.
When the intensity 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 bars 504 connected with the rotating rod to rotate above the blocking bars 502 on the adjacent driving plates 584, so that the driving plates 584 are connected under the limiting action of the clamping bars 504, then the external driving equipment (such as an electric sliding block) drives the moving frame 505 and the driving shafts 506 to move towards the adjusting rods 585, the rice-shaped grooves 507 on the driving shafts 506 are in plug-in fit with the clamping grooves 508, the connection between the driving shafts 506 and the adjusting rods 585 is realized, the driving shafts 506 and the adjusting rods 585 are detachably connected, the driving shafts 585 can synchronously rotate and independently rotate, the driving shafts 506 are driven to rotate by an external driving rotating motor connected with one of the driving shafts 506, the synchronous rotation of drive a plurality of regulation pole 585 makes the length that inserted link 583 inserted hanger plate 582 more accurate, the accuracy of weight regulation in the bearing box 52 has been improved, prevent to lead to the weight regulation inaccuracy in the bearing box 52 because of inserted link 583 inserts length inconsistency, cause the inaccurate problem of intensity detection, when drive the board 584 and remove, drive the board 584 and draw the strip 504 and all slide on rotary rod 503, prevent a plurality of drive boards 584 break away from each other, then detect main body roof beam 2 through detection mechanism 5, when making the main body roof beam 2 intensity of different batches obtain detecting, the ability that each main body roof beam 2 is shock-resistant also has formed obvious contrast, make the intensity performance of the main body roof beam 2 of different batches clear at a glance, can distinguish the main body roof beam 2 intensity performance of which batch is best fast.
Referring to fig. 8, the limiting component 59 includes a spring slot 590 formed on the inner wall of the bearing box 52 in the length direction, a baffle 591 is installed in the spring slot 590 through a limiting spring 592, one end top of the baffle 591, far away from the limiting spring 592, is in an arc structure, a hanging bracket 593 symmetrically arranged on two sides of the fixed weighting block 54 is installed between two supporting plates 581, a stop lever 594 for pushing the baffle 591 is installed at the lower end of the hanging bracket 593 along the length direction, the end surface of the lower end of the stop lever 594, close to the baffle 591, is in an arc structure, and the stop lever 594 and the movable weighting block 501 are staggered.
When the bearing box 52 falls off the stop lever 594, the stop plate 591 moves out to limit the top of the movable weighting block 501, so that the movable weighting block 501 is prevented from being separated from the bearing box 52 in the falling process, after the stop lever 594 is inserted into the bearing box 52 in the upward moving process of the bearing box 52, the arc-shaped end face of the lower end of the stop lever 594 presses the stop plate 591, the stop plate 591 contracts inwards towards the spring groove 590 under the action of pressing, the stop plate 591 does not limit the movable weighting block 501 any more, the inserted rod 583 is conveniently inserted into a corresponding jack, and the quantity of the movable weighting blocks 501 moving along with the bearing box 52 is adjusted, so that the convenience of fixing and inserting the movable weighting block 501 is improved.
Referring to fig. 5, the opposite surfaces of the two support plates 581 are respectively provided with a limiting frame 510 which is uniformly distributed along the length direction, the limiting frame 510 is positioned right above the hanging plate 582, the limiting frame 510 is provided with a plurality of groups of positioning plates 511 which are uniformly distributed 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 positioned at two sides of the hanging plate 582.
The positioning plate 511 positions and positions the hanger plate 582 to prevent the hanger plate 582 from moving axially along the insert rod 583 and to facilitate insertion of the insert rod 583 into the receptacle.
When the device works, the main body beams 2 extracted from the same batch/main body beams 2 of different batches are marked and then sequentially placed on the fixing component 3 for fixing, when the main body beams 2 of different batches are required to be subjected to strength detection under the impact of the same weight, the weight in the plurality of bearing boxes 52 is subjected to the same adjustment through the weight adjusting component 58, then the main body beams 2 are detected through the detecting mechanism 5, so that the strength of the main body beams 2 of different batches is detected, the impact resistance of each main body beam 2 is obviously compared, the best strength performance of the main body beams 2 of which batch can be rapidly distinguished, the strength performance detection can be performed on the main body beams 2 of the same batch under the impact of different weights, the weight in the bearing boxes 52 is adjusted to be different weights during the detection, then the main body beams 2 are detected through the detecting mechanism 5, and then the deformation or even fracture of the main body beams 2 under the action of the large weight is intuitively judged, the deformation or fracture of the main body beams 2 and the detection piece with the qualified strength performance are also subjected to the impact resistance of the main body beams 2, and the quality performance is judged to be qualified or not.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
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 inverted T-shaped structures, fixing assemblies (3) used for fixing main body beams (2) are arranged on opposite surfaces of the two T-shaped frames (1), L-shaped brackets (4) which are uniformly distributed along the length direction of one T-shaped frame (1) and are of inverted L-shaped structures are arranged at the top of one T-shaped frame (1), and detection mechanisms (5) are arranged on the L-shaped brackets (4);
the detection mechanism (5) comprises a guide groove (50) formed in the vertical section of the L-shaped support (4), a Z-shaped guide rod (51) is connected in the guide groove (50) in a sliding manner, one end of the Z-shaped guide rod (51) far away from the L-shaped support (4) is provided with a bearing box (52), the bottom of the bearing box (52) is provided with a uniformly arranged positioning block (53), the middle part of the bearing box (52) is fixedly provided with a fixed weighting block (54), the top of the fixed weighting block (54) is provided with a guide cylinder (55), the tops of the L-shaped supports (4) are connected with a winding shaft (56) in a rotating manner through an ear plate fixedly connected with the guide cylinder, the side wall of the winding shaft (56) is sleeved with uniformly arranged winding rings along the axial direction of the winding rings, the winding rings are connected with ropes (57) after penetrating through the L-shaped support (4) and penetrating into the guide cylinder (55), a movable weighting block (501) is arranged between two adjacent positioning blocks (53), a limiting component (59) for limiting the movable weighting block (501) is arranged in the bearing box (52), and the plurality of limiting components (52) are arranged on the bearing component (58);
The weight adjusting assembly (58) comprises T-shaped plates (580) arranged between vertical sections of two adjacent L-shaped brackets (4), one ends of the T-shaped plates (580) far away from the vertical sections of the L-shaped brackets (4) are provided with supporting plates (581) symmetrically arranged along the length direction of the T-shaped plates, the two supporting plates (581) are respectively positioned right above two side walls of the bearing box (52) distributed along the length direction of the bearing box, a lifting plate (582) is arranged at the top of the movable weight (501), symmetrically arranged jacks are formed in the lifting plate (582), a plurality of groups of inserting rods (583) uniformly arranged along the length direction of the lifting plate are connected onto the supporting plates (581) in a sliding manner, each group of inserting rods (583) consists of two inserting rods (583), the inserting rods (583) are in one-to-one correspondence with the jacks, one ends of the two inserting rods (583) of the same group are provided with driving plates (584) jointly, two adjusting rods (581) uniformly arranged along the length direction of the bearing box (52) are rotatably connected, two ends of each adjusting rod (585) penetrate through the two supporting plates (584) respectively and are connected with the corresponding driving plates (584) in a threaded connection mode, and the driving plates (584) are correspondingly connected with the connecting plates (584);
The connecting piece includes that adjacent two drive blend stop (502) that both sides of board (584) opposite end all were installed, rotate between two backup pads (581) and install rotary rod (503) of symmetrical arrangement, after two backup pads (581) are run through respectively to the both ends of rotary rod (503) with be close to drive board (584) sliding connection of backup pad (581) tip, the draw-in groove has been seted up on rotary rod (503), the slip cap is equipped with symmetrical arrangement and is located draw-in strip (504) of drive board (584) both sides on rotary rod (503), draw-in strip (504) and draw-in groove sliding fit, draw-in strip (504) are connected with drive board (584) rotation of connecting rotary rod (503), the sliding groove has been seted up on T template (580), common sliding connection has movable frame (505) on the sliding groove, the terminal surface rotation that movable frame (505) is close to regulation pole (585) is connected with drive axle (506) of evenly arranging along its length direction, drive and pass through sprocket chain drive connection between axle (506), one end that regulation pole (585) is close to drive axle (506) has seted up rice style of calligraphy groove (507), draw-in strip (506) and draw-in groove joint style of calligraphy groove (508) have been seted up on drive axle (506) and draw-in joint style of calligraphy groove (508).
2. The apparatus for detecting strength of an aluminum alloy skeleton for an automobile according to claim 1, wherein: spacing subassembly (59) are including seting up spring groove (590) at bearing box (52) length direction inner wall, install separation blade (591) through spacing spring (592) in spring groove (590), one end top that spacing spring (592) was kept away from to separation blade (591) is arc structure, install gallows (593) that symmetrical arrangement is located fixed weight (54) both sides between two backup pads (581), pin (594) that are used for supporting separation blade (591) are evenly arranged along its length direction are installed to the lower extreme of gallows (593), the lower extreme of pin (594) is close to separation blade (591) terminal surface and is arc structure, pin (594) are crisscross with removal weight (501) the arrangement.
3. The apparatus for detecting strength of an aluminum alloy skeleton for an automobile according to claim 1, wherein: the limiting frames (510) which are uniformly distributed along the length direction of the two opposite surfaces of the supporting plate (581) are respectively installed, the limiting frames (510) are located right above the hanging plates (582), a plurality of groups of positioning plates (511) which are uniformly distributed along the length direction of the limiting frames (510) are installed on the limiting frames (510), each group of positioning plates (511) consists of two positioning plates (511) with arc-shaped bottoms, and the two positioning plates (511) of each group are located on two sides of the hanging plates (582) respectively.
4. The apparatus for detecting strength of an aluminum alloy skeleton for an automobile according to claim 1, wherein: fixed subassembly (3) include along the mount (30) of T type frame (1) length direction even installation, mount (30) are by the horizontal segment and constitute with two vertical sections that are connected at horizontal segment top, the one end that its vertical section was kept away from to the horizontal segment of mount (30) and T type frame (1) fixed connection, remove groove (31) have been seted up on two vertical section opposite sides of mount (30), install pre-fixation board (33) through extrusion spring (32) in remove groove (31), guide block (34) are installed to the bottom of pre-fixation board (33), set up the sliding groove of guide block (34) sliding connection on mount (30), the top of pre-fixation board (33) is arc structure, arc piece (35) that supports main body roof beam (2) are installed to the opposite sides of two pre-fixation boards (33), set up on mount (30) and slide the indent that arranges along T type frame (1) length direction on the indent joint have push away board (37), install on push board (37) and support fixed board (38) to main body roof beam (2).
5. The apparatus for detecting strength of an aluminum alloy skeleton for an automobile according to claim 1, wherein: two install protection frame (10) jointly on T type frame (1), protection frame (10) are 匚 type structures, and the vertical section of two T type frames (1) all is located protection frame (10), and the opening part of protection frame (10) articulates there is protection door plant (11) of transparent material, and protection door plant (11) are located on T type frame (1) of keeping away from L type support (4) one side.
6. The apparatus for detecting strength of an aluminum alloy skeleton for an automobile according to claim 4, wherein: a reinforcing rib (301) is arranged between the bottom of the fixing frame (30) and the T-shaped frame (1).
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