CN116242711B - Car anticollision roof beam bearing performance check out test set - Google Patents
Car anticollision roof beam bearing performance check out test set Download PDFInfo
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- CN116242711B CN116242711B CN202310436885.9A CN202310436885A CN116242711B CN 116242711 B CN116242711 B CN 116242711B CN 202310436885 A CN202310436885 A CN 202310436885A CN 116242711 B CN116242711 B CN 116242711B
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- 238000012360 testing method Methods 0.000 title claims description 28
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 43
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 28
- 230000008569 process Effects 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0264—Beam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention relates to the technical field of detection of the bearing performance of an automobile anti-collision beam, in particular to equipment for detecting the bearing performance of the automobile anti-collision beam.
Description
Technical Field
The invention relates to the technical field of detection of the bearing performance of an automobile anti-collision beam, in particular to detection equipment of the bearing performance of the automobile anti-collision beam.
Background
The utility model provides an automobile anticollision roof beam is a device that absorbs collision energy when being used for alleviateing the vehicle and receives the collision, comprises mounting panel and arc structure's girder generally, wherein is provided with the mounting hole that is connected with the car on the mounting panel, and the girder can effectively absorb collision energy when the vehicle takes place low-speed collision, reduces the harm of impact to automobile body longeron as far as possible, plays the guard action to the vehicle.
The automobile anti-collision beam needs to be subjected to bearing performance detection before being assembled with an automobile so as to determine the maximum bearing capacity when the automobile anti-collision beam is deformed, so that the maximum bearing capacity when the automobile anti-collision beam is deformed is compared with the standard bearing capacity of the automobile anti-collision beam, and if the maximum bearing capacity when the automobile anti-collision beam is deformed is larger than the standard bearing capacity, the automobile anti-collision beam is qualified, otherwise, the automobile anti-collision beam is unqualified.
The Chinese patent application with publication number of CN112649308A provides a technical scheme for detecting the bending resistance of an automobile anti-collision beam, and discloses a general tool for detecting the bending resistance of the automobile anti-collision beam, and the main body part of the test tool only needs to manufacture one pair, and can complete three-point bending tests of anti-collision beams with different forms and sizes by adjusting three elements of the diameter of a pressing roller, the diameter of a supporting roller and the spacing of the supporting roller according to the requirement; compared with the prior art, the invention does not need to make and replace the main body part again, saves development and manufacturing cost, improves test operation efficiency, and has very flexible universality.
The above-mentioned patent application also has the following drawbacks during use: 1. the above patent application can detect the bearing performance of the anti-collision beams in different forms and sizes, but the press roller body can not move along the automobile anti-collision beam in the detection process, and can only detect the bearing performance of the automobile anti-collision Liang Shandian, and the detected data is not representative.
2. Above-mentioned patent application carries out bending resistance to the automobile anti-collision beam through compression roller body and dancer roll in the use and detects the in-process and fixes spacing to the automobile anti-collision beam simultaneously, when the automobile anti-collision beam is placed the in-process and is taken place slightly to incline, only carries out spacing easy to lead to the automobile anti-collision beam atress inhomogeneous to the automobile anti-collision beam through compression roller and dancer roll body, and then causes taking place relative slip between automobile anti-collision beam and the dancer roll, leads to the automobile anti-collision beam stability relatively poor in the testing process, influences the efficiency of going on of detection.
Disclosure of Invention
The invention aims to provide an automobile anti-collision beam bearing performance detection device, which is used for carrying out bearing performance experiments on an automobile anti-collision beam by continuously pressurizing a pressure roller, wherein the pressure born by the pressure roller is the maximum bearing capacity of the automobile anti-collision beam when the automobile anti-collision beam is deformed.
The invention is realized by adopting the following technical scheme, and the equipment for detecting the bearing performance of the automobile anti-collision beam comprises a base, wherein the upper end surface of the base is provided with a fixing mechanism and a detecting mechanism.
The fixing mechanism comprises a placement block which is arranged in bilateral symmetry, wherein the placement block is installed on the upper end face of the base, a limiting rod which is used for limiting the installation hole and is symmetrical front and back is installed on the placement block, a pressing plate which is symmetrical front and back is arranged above the placement block, a connecting spring rod which is symmetrical left and right is installed on the lower end face of the pressing plate, and the lower end of the connecting spring rod is fixed on the base.
The detecting mechanism comprises a type frame arranged at the rear side of the upper end face of a base, wherein a movable block is arranged on the front end face of a horizontal section of the type frame in a sliding mode, a horizontal frame is arranged on the front end face of the movable block through a hinge shaft, a lifting cylinder and a rectangular frame are sequentially arranged on the lower end face of the horizontal frame from top to bottom, lifting blocks are arranged on the front inner wall and the rear inner wall of the rectangular frame in a sliding mode, an electric hydraulic rod corresponding to the lifting blocks is arranged at the top of the inner side of the rectangular frame, the telescopic end of the electric hydraulic rod is fixedly connected with the lifting blocks, and a pressure roller for pressing an automobile anti-collision beam is arranged between the lifting blocks through bearings.
The base up end slide along left and right directions and be provided with the removal frame, remove and be provided with infrared range finder in the middle of the frame up end, remove the fixed gangbar that is provided with in frame up end rear side, and gangbar upper end and horizontal stand sliding connection.
Optionally, the gag lever post up end seted up and adjusted the circular slot, be provided with bilateral symmetry on the gag lever post and support tight board, and support tight board opposite side and be located and adjust the circular slot inside, support and install the flexible spring pole that is used for resetting jointly between the tight board, support tight board opposite side top and seted up bilateral symmetry and set up the guide slope, the clamp plate just is provided with the regulation pole above being located the regulation circular slot.
Optionally, rectangular frame inboard top install the template of fore-and-aft symmetry, template two vertical sections pass through the bearing and install the wind-up roll that extends about, the common winding has test paper on the wind-up roll, the inside linkage frame that is provided with L type structure of rectangular frame, the vertical section of linkage frame runs through the slip and sets up on the elevating block of front side, the linkage frame horizontal segment passes between two vertical sections of type frames of front side, the marker pen is installed to linkage frame horizontal segment lower extreme face rear side, install reset spring pole jointly between linkage frame horizontal segment upper end and the rectangular frame inboard top.
Optionally, outer wall all be provided with fixed arch around the rectangle frame, fixed protruding lower terminal surface is installed the elastic expansion link, elastic expansion link lower extreme is provided with the briquetting.
Optionally, a window for taking the test paper is formed in the rear end face of the rectangular frame.
Optionally, the briquetting under the terminal surface install with clamp plate matched with gyro wheel, the gyro wheel can reduce the frictional force between briquetting and the clamp plate, reduces the wearing and tearing between briquetting and the clamp plate.
Optionally, the pressure roller periphery on install annular rubber pad, annular rubber pad both can make pressure roller and car crashproof roof beam girder contact inseparabler, guarantee that pressure roller is even to the pressure that car crashproof roof beam girder applyed, guarantee experimental data's accuracy, because car crashproof roof beam girder perhaps has debris such as burr arch on its surface in the manufacturing process, annular rubber pad can play the effect of stepping down to these debris simultaneously, avoid pressure roller and above-mentioned debris direct contact to lead to pressure roller and car crashproof roof beam girder to take place the dead problem of rigidity card when debris is too big.
Compared with the prior art, the automobile anti-collision beam load bearing performance detection device has the beneficial effects that: 1. in the fixing mechanism designed by the invention, the limiting rod and the mounting hole are mutually matched to carry out horizontal limiting treatment on the automobile anti-collision beam, the pressing plate moves downwards to mutually match with the mounting plate to carry out vertical limiting treatment on the automobile anti-collision beam, the horizontal limiting and the vertical limiting can ensure that the automobile anti-collision beam is stable in bearing performance detection, the pressure roller is prevented from being separated from the automobile anti-collision beam due to movement of the anti-collision beam, and the maximum bearing capacity is prevented from being changed when the automobile anti-collision beam is deformed, so that the accuracy of experimental data is improved.
2. In the detection mechanism designed by the invention, the pressure roller can be driven to move along the main beam of the automobile anti-collision beam in the moving process of the horizontal rack, if the automobile anti-collision beam does not deform in the single moving process of the pressure roller, the pressure roller is continuously pressurized until the automobile anti-collision beam deforms, so that the maximum bearing capacity of the automobile anti-collision beam can be obtained when the automobile anti-collision beam deforms, the pressure roller can detect the bearing performance of the main beam of the automobile anti-collision beam at multiple points, and multiple groups of experimental data are obtained, so that the experimental data are more representative.
3. The infrared range finder designed by the invention can carry out range finding treatment on the height of the lower end face of the main beam of the automobile anti-collision beam in the use process, and the automobile anti-collision beam is not deformed when the range finding result is in linear distribution, otherwise, the automobile anti-collision beam is deformed, so that whether the automobile anti-collision beam is deformed can be known without being observed by human eyes, and the possibility of error of experimental data caused by inaccurate human eye observation when the deformation degree of the automobile anti-collision beam is small is avoided.
Drawings
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of an installation perspective structure between an automobile anti-collision beam load bearing performance detection device and an automobile anti-collision beam according to an embodiment of the invention.
Fig. 2 is a schematic view of a partial perspective structure of fig. 1 according to an embodiment of the present invention.
Fig. 3 is a front view of fig. 1 provided by an embodiment of the present invention.
Fig. 4 is a partial enlarged view at a of fig. 3 provided by an embodiment of the present invention.
Fig. 5 is a partial enlarged view at B of fig. 3 provided by an embodiment of the present invention.
Fig. 6 is a schematic view of an internal structure of a stop lever according to an embodiment of the present invention.
Fig. 7 is a schematic view of a partial perspective structure of fig. 2 according to an embodiment of the present invention.
Fig. 8 is a partial enlarged view at C of fig. 7 provided by an embodiment of the present invention.
Fig. 9 is a schematic diagram of the internal structure of a rectangular frame (from left to right) according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an automobile crash-proof Liang Liti provided by an embodiment of the invention.
Icon: 1. a base; 11. a moving rack; 12. an infrared range finder; 13. a linkage rod; 2. a fixing mechanism; 21. placing a block; 22. a limit rod; 221. adjusting the round groove; 222. a pressing plate; 223. a telescoping spring rod; 224. an adjusting rod; 23. a pressing plate; 231. a roller; 24. connecting a spring rod; 3. a detection mechanism; 31. type rack; 32. a moving block; 33. a horizontal frame; 34. a lifting cylinder; 35. a rectangular frame; 351. templates; 352. a wind-up roll; 353. detecting test paper; 354. a linkage frame; 355. marking pen; 356. a reset spring lever; 357. a fixing protrusion; 358. an elastic telescopic rod; 359. briquetting; 350. a window; 36. a lifting block; 37. an electric hydraulic rod; 38. a pressure roller; 381. an annular rubber pad; 4. an automobile anti-collision beam; 41. a main beam; 42. and (3) mounting a plate.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, an apparatus for detecting load-bearing performance of an anti-collision beam of an automobile comprises a base 1, wherein a fixing mechanism 2 and a detecting mechanism 3 are installed on the upper end surface of the base 1.
Referring to fig. 1 and 2, the fixing mechanism 2 includes a placement block 21 symmetrically disposed about the placement block 21, wherein the placement block 21 is mounted on an upper end surface of the base 1, a limit rod 22 for limiting the mounting hole and symmetrically disposed about the placement block 21 is mounted on the placement block 21, a pressing plate 23 symmetrically disposed about the placement block 21 is disposed above the placement block, a connecting spring rod 24 symmetrically disposed about the lower end surface of the pressing plate 23 is mounted, and a lower end of the connecting spring rod 24 is fixed on the base 1.
Referring to fig. 3, 7 and 9, the detecting mechanism 3 includes a -type frame 31 mounted at the rear side of the upper end surface of the base 1, wherein a moving block 32 is slidably disposed at the front end surface of the horizontal section of the -type frame 31, a horizontal frame 33 is mounted on the front end surface of the moving block 32 through a hinge shaft, a lifting cylinder 34 and a rectangular frame 35 are sequentially mounted on the lower end surface of the horizontal frame 33 from top to bottom, lifting blocks 36 are slidably disposed on the front and rear inner walls of the rectangular frame 35, an electric hydraulic rod 37 corresponding to the lifting blocks 36 is mounted on the top of the inner side of the rectangular frame 35, the telescopic end of the electric hydraulic rod 37 is fixedly connected with the lifting blocks 36, and a pressure roller 38 for pressing an automobile anti-collision beam is mounted between the lifting blocks 36 through bearings.
Referring to fig. 1 and 7, the upper end surface of the base 1 is provided with a moving frame 11 sliding in the left-right direction, an infrared range finder 12 is disposed in the middle of the upper end surface of the moving frame 11, a linkage rod 13 is fixedly disposed at the rear side of the upper end surface of the moving frame 11, and the upper end of the linkage rod 13 is slidably connected with a horizontal frame 33.
Referring to fig. 10, the automobile anti-collision beam 4 is composed of a main beam 41 and a mounting plate 42 which is mounted on the lower end surface of the main beam 41 and is symmetrically arranged left and right, when the automobile anti-collision beam 4 is specifically operated, the mounting plate 42 is placed on the placement block 21 by passing through the pressing plate 23 from left to right, and the mounting hole passes through the limiting rod 22, after the automobile anti-collision beam 4 is placed, the pressing plate 23 is pressed by external force to move downwards so that the pressing plate 23 abuts against the mounting plate 42, at the moment, the connecting spring rod 24 compresses, the limiting rod 22 and the mounting hole are mutually matched, so that the automobile anti-collision beam 4 can be subjected to limiting treatment in the horizontal direction, the limiting of the automobile anti-collision beam 4 can be ensured to be kept stable in the bearing performance detection by mutually matched limiting of the two directions, the situation that the pressing roller 38 and the automobile anti-collision beam 4 are separated from each other to cause the maximum bearing force change when the automobile anti-collision beam 4 is deformed is avoided, experimental errors are reduced, and the accuracy of experimental data is improved.
The horizontal section of the type frame 31 is of a major arc structure with a downward opening and is the same as the radian of the main beam 41, when the placement limit of the automobile anti-collision beam 4 is finished, the lifting cylinder 34 is started to drive the rectangular frame 35 to move downwards, the rectangular frame 35 drives the pressure roller 38 to lean against the upper end face of the main beam 41, the electric hydraulic rod 37 is started to apply pressure to the main beam 41 through the mutual matching of the lifting block 36 and the pressure roller 38, the moving block 32 is driven to move along the horizontal section of the type frame 31 by external force (manpower or an electric sliding block), the moving block 32 is further driven to move the horizontal frame 33, the pressure roller 38 is driven to move along the main beam 41 by the mutual matching of the horizontal frame 33 and the rectangular frame 35, if the automobile anti-collision beam 4 does not deform in the single movement process of the pressure roller 38, the pressure roller 38 is continuously pressurized until the automobile anti-collision beam 4 deforms, so that the maximum bearing force of the automobile anti-collision beam 4 can be obtained when the automobile anti-collision beam 4 deforms, the pressure roller 38 can carry out multi-point bearing performance detection on the main beam 41, and multiple groups of experimental data are further obtained, and the experimental data are more representative;
the horizontal rack 33 can drive the infrared range finder 12 to move left and right through the mutual cooperation of the linkage rod 13 and the movable frame 11 in the moving process, the infrared range finder 12 can carry out ranging treatment on the height of the lower end face of the main beam 41 in the moving process, the automobile anti-collision beam 4 is not deformed when the ranging result is in linear distribution, otherwise, the deformation can be realized, whether the automobile anti-collision beam 4 is deformed or not can be known under the observation of human eyes, the possibility that experimental data are wrong due to the inaccuracy of human eye observation when the deformation degree of the automobile anti-collision beam 4 is small is avoided, the linkage rod 13 synchronously plays a limiting role on the horizontal rack 33 in the detecting process, the horizontal rack 33 is guaranteed not to rotate around a hinge shaft in the moving process, the horizontal rack 33 is always in a horizontal state, the pressure roller 38 is prevented from being in non-tight contact with the main beam 41, and the accuracy of the bearing performance detecting data is influenced.
Referring to fig. 9, an annular rubber pad 381 is installed on the circumferential surface of the pressure roller 38, and the annular rubber pad 381 can not only make the pressure roller 38 contact with the main beam 41 more tightly, ensure that the pressure applied by the pressure roller 38 to the main beam 41 is uniform, and ensure the accuracy of experimental data, but also avoid the problem that the pressure roller 38 and the main beam 41 are rigidly clamped due to direct contact of the pressure roller 38 and the impurities when the impurities are too large, because impurities such as burrs and bulges may exist on the surface of the main beam 41 during the manufacturing process.
Referring to fig. 7 and 8, the front and rear outer walls of the rectangular frame 35 are provided with fixing protrusions 357, the lower end surfaces of the fixing protrusions 357 are provided with elastic telescopic rods 358, and the lower ends of the elastic telescopic rods 358 are provided with pressing blocks 359.
The elastic coefficient of the elastic telescopic rod 358 is far greater than that of the connecting spring rod 24, in order to reduce the complexity of pressing the pressing plate 23 by external force, the rectangular frame 35 moves downwards through the fixing protrusion 357 to drive the pressing block 359, the pressing block 359 moves downwards synchronously to drive the pressing plate 23 to move downwards in the process of moving the rectangular frame 35, the pressing block 359 is in sliding fit with the pressing plate 23 in the process of moving the rectangular frame 35, the elastic coefficient of the elastic telescopic rod 358 is far greater than that of the connecting spring rod 24, the compression deformation amount of the connecting spring rod 24 is far greater than that of the elastic telescopic rod 358 in the process of moving the pressing plate 23, and therefore the pressing block 359 can be ensured to press the pressing plate 23 on the mounting plate 42 under the condition that the elastic telescopic rod 358 is hardly deformed, wherein the elastic telescopic rod 358 can play a role of compensating for the vertical displacement amount in the moving process of the rectangular frame 35, and the problem that the pressing block 359 and the pressing plate 23 are rigidly clamped when the elastic telescopic rod 358 is replaced by using a rigid rod is avoided.
Referring to fig. 4, the lower end surface of the pressing block 359 is provided with a roller 231 matched with the pressing plate 23, and the roller 231 can reduce friction between the pressing block 359 and the pressing plate 23 and reduce abrasion between the pressing block 359 and the pressing plate 23.
Referring to fig. 5 and 6, the upper end surface of the limiting rod 22 is provided with an adjusting circular groove 221, the limiting rod 22 is provided with a laterally symmetrical abutting plate 222, opposite sides of the abutting plate 222 are located inside the adjusting circular groove 221, a telescopic spring rod 223 for resetting is commonly installed between the abutting plates 222, a laterally symmetrically arranged guiding inclined plane is arranged above opposite sides of the abutting plate 222, and an adjusting rod 224 is arranged above the adjusting circular groove 221 and on the lower end surface of the pressing plate 23.
The clamp plate 23 moves down the in-process and drives the regulation pole 224 to move down and insert inside adjusting circular groove 221, and regulation pole 224 moves down the in-process and drives the tight board 222 of support through the guide slope and move apart from each other, and the expansion spring pole 223 is tensile this moment, and then supports tight board 222 and mounting hole inner wall and support tightly, supports tight board 222 and gag lever post 22 and mutually support and can further carry out spacing processing to mounting panel 42 to guarantee the stability of car crashproof roof beam 4 in the testing process, after the detection, regulation pole 224 moves up and leaves the adjustment groove, and expansion spring pole 223 resets this moment and drives to support tight board 222 and get back to the home position.
Referring to fig. 9, a template 351, a template 351, which are symmetrical in front and back, are mounted on the top of the inner side of the rectangular frame 35, a winding roller 352 extending left and right is mounted on the two vertical sections of the template 351 through bearings, detection test paper 353 is wound on the winding roller 352 in a common mode, a linkage frame 354 with an L-shaped structure is arranged inside the rectangular frame 35, the vertical sections of the linkage frame 354 are arranged on the lifting block 36 on the front side in a penetrating and sliding mode, the horizontal sections of the linkage frame 354 penetrate between the two vertical sections of the type frame 31 on the front side, a marking pen 355 is mounted on the rear side of the lower end face of the horizontal section of the linkage frame 354, and a reset spring rod 356 is mounted between the upper end of the horizontal section of the linkage frame 354 and the top of the inner side of the rectangular frame 35 in a common mode.
With continued reference to fig. 9, the rear end surface of the rectangular frame 35 is provided with a window 350 for taking the test paper 353, wherein in the initial state, the marker 355 passes through the test paper 353, the length of the test paper 353 is the same as that of the main beam 41, the lower end of the linkage frame 354 extends out of the lower side of the pressure roller 38, a motor for driving the winding roller 352 is mounted on the plate 351, the pressure roller 38 is synchronously driven to move downwards by the lifting block 36 in the process of moving the rectangular frame 35 so that the pressure roller 38 abuts against the upper end surface of the main beam 41, the lower end of the vertical section of the linkage frame 354 is synchronously driven to abut against the main beam 41 in the process of moving the lifting block 36, and the lower end of the linkage frame 354 extends out of the pressure roller 38 so as to cause the linkage frame 354 to move upwards, further to enable the marker 355 to move above the test paper 353, at the moment, the reset spring 356 compresses at the moment, the marker 355 is just separated from the test paper 353, the winding roller 352 is driven to rotate at the moment, and the test paper 353 is enabled to move, in the process of detecting, if the main beam 41 is deformed, the main beam 13 moves downwards by the reset spring 356 in the process, the reset spring 356 moves downwards, and the reset spring 356 moves, the test paper 353 moves downwards, and the test paper is driven downwards, and moves downwards, and the test paper is contacted with the moving in the test paper, and moves the test paper 41, and moves the test paper, and the position is deformed by the same as the length, and the length of the test paper 41.
Adopt above-mentioned 4 bearing performance check out test set of car anticollision roof beam in the bearing performance detection process to car anticollision roof beam, include the following step: step one, placing: the automobile anti-collision beam 4 passes through the space between the pressing plates 23 from left to right, so that the mounting plate 42 is placed on the placement block 21, the mounting hole passes through the limiting rod 22, and after the placement of the automobile anti-collision beam 4 is finished, the pressing plates 23 are pressed by external force to move downwards, so that the pressing plates 23 are abutted against the mounting plate 42.
Second step, detection treatment: the lifting cylinder 34 is started to drive the rectangular frame 35 to move downwards, the rectangular frame 35 drives the pressure roller 38 to abut against the upper end face of the main beam 41, the electric hydraulic rod 37 is started to apply pressure to the main beam 41 through the mutual cooperation of the lifting block 36 and the pressure roller 38, the moving block 32 is driven to move along the horizontal section of the type frame 31 by external force (manpower or electric sliding block), the moving block 32 drives the horizontal frame 33 to move, the pressure roller 38 is driven to move along the main beam 41 through the mutual cooperation of the horizontal frame 33 and the rectangular frame 35 in the moving process of the horizontal frame 33, and if the pressure roller 38 does not deform in the single moving process of the automobile anti-collision beam 4, the pressure roller 38 is continuously pressurized until the automobile anti-collision beam 4 deforms.
Thirdly, data collection processing: the horizontal rack 33 can drive the infrared range finder 12 to move left and right through the mutual cooperation of the linkage rod 13 and the movable rack 11 in the moving process, the infrared range finder 12 can carry out ranging treatment on the height of the lower end face of the main beam 41 in the moving process, and the automobile anti-collision beam 4 is not deformed when the ranging result is in linear distribution, and otherwise is deformed.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (5)
1. The utility model provides an automobile anti-collision beam bearing performance check out test set, includes base (1), its characterized in that: the upper end face of the base (1) is provided with a fixing mechanism (2) and a detecting mechanism (3), wherein the fixing mechanism is arranged on the upper end face of the base;
the fixing mechanism (2) comprises a placement block (21) which is arranged in a bilateral symmetry manner, wherein the placement block (21) is installed on the upper end face of the base (1), a limiting rod (22) which is used for limiting a mounting hole and is symmetrical front and back is installed on the placement block (21), a pressing plate (23) which is symmetrical front and back is arranged above the placement block (21), a connecting spring rod (24) which is symmetrical left and right is installed on the lower end face of the pressing plate (23), and the lower end of the connecting spring rod (24) is fixed on the base (1);
the detection mechanism (3) comprises a -type frame (31) arranged at the rear side of the upper end face of the base (1), wherein a movable block (32) is slidably arranged on the front end face of the horizontal section of the -type frame (31), a horizontal frame (33) is arranged on the front end face of the movable block (32) through a hinge shaft, a lifting cylinder (34) and a rectangular frame (35) are sequentially arranged on the lower end face of the horizontal frame (33) from top to bottom, lifting blocks (36) are slidably arranged on the front inner wall and the rear inner wall of the rectangular frame (35), an electric hydraulic rod (37) corresponding to the lifting blocks (36) is arranged at the top of the inner side of the rectangular frame (35), the telescopic end of the electric hydraulic rod (37) is fixedly connected with the lifting blocks (36), and a pressure roller (38) for pressing an automobile anti-collision beam is arranged between the lifting blocks (36) through a bearing;
templates (351) which are symmetrical front and back are arranged at the top of the inner side of the rectangular frame (35), winding rollers (352) which extend left and right are arranged on two vertical sections of the templates (351) through bearings, detection test paper (353) is wound on the winding rollers (352) together, a linkage frame (354) with an L-shaped structure is arranged inside the rectangular frame (35), the vertical sections of the linkage frame (354) penetrate through and are arranged on a lifting block (36) on the front side in a sliding manner, a horizontal section of the linkage frame (354) penetrates between two vertical sections of a type frame (31) on the front side, marking pens (355) are arranged on the rear side of the lower end face of the horizontal section of the linkage frame (354), and reset spring rods (356) are arranged between the upper end of the horizontal section of the linkage frame (354) and the top of the inner side of the rectangular frame (35);
fixing protrusions (357) are arranged on the front outer wall and the rear outer wall of the rectangular frame (35), an elastic telescopic rod (358) is arranged on the lower end face of the fixing protrusions (357), and a pressing block (359) is arranged at the lower end of the elastic telescopic rod (358);
the base (1) up end be provided with along controlling the direction slip and remove frame (11), remove frame (11) up end middle part and be provided with infrared range finder (12), remove frame (11) up end rear side fixedly and be provided with gangbar (13), and gangbar (13) upper end and horizontal frame (33) sliding connection.
2. The automotive impact beam load bearing performance detection apparatus of claim 1, wherein: the utility model discloses a stop lever (22) up end seted up and adjust circular slot (221), stop lever (22) on be provided with bilateral symmetry support tight board (222), and support tight board (222) opposite side and be located and adjust inside circular slot (221), support between tight board (222) and install telescopic spring pole (223) that are used for resetting jointly, support tight board (222) opposite side top and seted up the direction inclined plane that bilateral symmetry set up, clamp plate (23) lower extreme face just is provided with regulation pole (224) above being located and adjusting circular slot (221).
3. The automotive impact beam load bearing performance detection apparatus of claim 1, wherein: a window (350) for taking the detection test paper (353) is formed in the rear end face of the rectangular frame (35).
4. The automotive impact beam load bearing performance detection apparatus of claim 1, wherein: the lower end face of the pressing block (359) is provided with a roller (231) matched with the pressing plate (23).
5. The automotive impact beam load bearing performance detection apparatus of claim 1, wherein: an annular rubber pad (381) is arranged on the circumferential surface of the pressure roller (38).
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| CN202310436885.9A CN116242711B (en) | 2023-04-17 | 2023-04-17 | Car anticollision roof beam bearing performance check out test set |
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| CN202310436885.9A CN116242711B (en) | 2023-04-17 | 2023-04-17 | Car anticollision roof beam bearing performance check out test set |
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| CN116242711B true CN116242711B (en) | 2023-08-18 |
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| CN116242711A (en) | 2023-06-09 |
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