CN114323531A - Impact test detection table for automobile steering system - Google Patents
Impact test detection table for automobile steering system Download PDFInfo
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- CN114323531A CN114323531A CN202111626932.3A CN202111626932A CN114323531A CN 114323531 A CN114323531 A CN 114323531A CN 202111626932 A CN202111626932 A CN 202111626932A CN 114323531 A CN114323531 A CN 114323531A
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 238000009863 impact test Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000005265 energy consumption Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 9
- 239000000872 buffer Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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Abstract
The invention discloses an impact test detection table for an automobile steering system, and relates to the technical field of automobile testing. The device comprises a detection table shell, wherein one end of the detection table shell is provided with an impact block, a guide rod is fixedly arranged in the detection table shell, a spring is arranged between the guide rod and the impact block, a kinetic energy transmission assembly is arranged in the detection table shell and comprises a guide rail arranged along the moving direction of the impact block, a transmission block slides on the guide rail and moves under the impact of the impact block, two ends of the guide rail are respectively provided with a limiting block for limiting the moving range of the transmission block, and the kinetic energy consumption assembly is arranged in the monitoring table shell. According to the invention, the impact block, the kinetic energy transmission assembly and the kinetic energy consumption assembly are arranged in the detection platform shell, so that kinetic energy is transmitted into the kinetic energy consumption assembly to be released when an automobile is impacted, the detection platform can not bear the impacted kinetic energy, and the detection platform is prevented from being damaged.
Description
Technical Field
The invention belongs to the technical field of automobile testing, and particularly relates to an impact test detection table for an automobile steering system.
Background
With the annual output and annual sales of automobiles in China increasing year by year, the automobiles are used by ordinary families as a vehicle, in the actual use process of the automobiles, due to the fact that the automobiles are impacted in the driving direction (front collision or rear collision of the automobiles), when a driver impacts a steering wheel, an impact force is generated on a steering system, and the bearing degree (including maximum feeding and shrinking load, feeding and shrinking maintaining load and feeding and shrinking distance) of the collapsible steering system to the impact force directly influences the injury degree of the driver. The traditional impact test detection table is usually fixed, and the high-speed impact of an automobile is extremely easy to cause huge damage to the detection table.
In the prior art, like patent publication No. CN108827664A to this problem, the fixed detection platform is the rotation detection platform, so as to reduce the damage of the impact on the detection platform, but when the technical scheme is implemented, the automobile impacts the impact pad first, because the spring has elasticity, the sleeve rotates on the first fixed rod first, and then the spring plays a buffering role, so the whole device only has the elastic potential energy of the spring to buffer, and the effect of buffering the kinetic energy generated by the impact on the automobile is weaker.
Disclosure of Invention
The invention aims to provide an impact test detection table for an automobile steering system, which solves the problem of weak effect of buffering the kinetic energy generated by the impact of an automobile by transferring the impact kinetic energy and rotating and consuming the impact kinetic energy.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an impact test detection table for an automobile steering system, which comprises a detection table shell, wherein one end of the detection table shell is horizontally provided with an impact block in a sliding manner, two groups of guide rods which have the same moving direction as the impact block and are connected with the impact block in a sliding manner are fixedly arranged in the detection table shell, the guide rods are used for the directional movement of the impact block, and a spring is arranged between each guide rod and the impact block;
the kinetic energy transfer assembly is arranged in the detection table shell, is positioned on a moving path of the impact block and is in contact with the impact block to absorb kinetic energy, the kinetic energy transfer assembly comprises a guide rail arranged along the moving direction of the impact block, the guide rail is provided with a transfer block in a sliding manner, the transfer block moves under the impact of the impact block, and two ends of the guide rail are respectively provided with a limiting block for limiting the moving range of the transfer block;
the kinetic energy consumption assembly is arranged in the monitoring platform shell, receives the kinetic energy of the kinetic energy transmission assembly and consumes the kinetic energy.
Furthermore, the kinetic energy consumption assembly comprises a fixed shaft fixedly installed on two opposite side wall parts in the detection table shell, a release roller is connected to the fixed shaft through a bearing, a counterweight ring is fixedly installed on the release roller, an impact plate arranged on the surface of the counterweight ring is connected to the counterweight ring, and the impact plate drives the release roller to rotate under the action of the kinetic energy transmission assembly to consume kinetic energy.
Further, it is equipped with two sets of deflectors to be located the release roller below in the test table casing, set up two crossing circular arc grooves in the deflector, and crossing position is less than the axis height of fixed axle, is located the fixed axle axis in the deflector and offers the groove that resets that is used for connecting the vertical seting up of two circular arc grooves under, and is two sets of be equipped with between the deflector in the circular arc groove with reset inslot removal and close the board of hitting, close the top and the striking board looks adaptation of hitting the board, still be equipped with the board that resets that is used for upwards promoting to close the board of hitting in the test table casing, the board that resets has the extensible member of installing in detecting the table casing.
Furthermore, the striking plate is provided with a plurality of groups, and evenly distributed on the counterweight ring, still be equipped with the magnetic block in detecting the platform casing, the magnetic block is used for producing the appeal, when release roller rotated final hover position, arbitrary one the striking plate is located directly over the reset plate.
Furthermore, both ends of the releasing roller are fixedly provided with brake pieces.
Further, the guide pillar that sets up in detecting the platform casing along vertical direction slip is connected with to reset under the board fixedly, and the guide pillar is used for reducing the impact to the extensible member when resetting the board.
Furthermore, the bottom of the combined striking plate and the top of the resetting plate are both arc surfaces which take the axis of the fixed shaft as the center.
Furthermore, a cushion pad is arranged on the limiting surface of the limiting block.
One aspect of the present invention has the following advantageous effects:
1. according to the invention, the impact block, the kinetic energy transmission assembly and the kinetic energy consumption assembly are arranged in the detection platform shell, so that kinetic energy is transmitted into the kinetic energy consumption assembly to be released when an automobile is impacted, the detection platform can not bear the impacted kinetic energy, and the detection platform is prevented from being damaged.
2. According to the invention, the kinetic energy consumption assembly is set to rotate, and the combined impact plate can fall under the action of the arc groove when impacted, so that the rotation of the release roller cannot be influenced, and the combined impact plate can automatically reset under the action of the reset plate, and is convenient to control.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a half-section structure of a housing of a test bed according to the present invention;
FIG. 2 is a schematic structural view of a kinetic energy transfer assembly and a kinetic energy dissipation assembly;
FIG. 3 is an enlarged view of the structure of area A in FIG. 2;
FIG. 4 is a schematic diagram of a kinetic energy dissipating assembly with a partially disassembled structure;
FIG. 5 is an enlarged view of the structure of the area B in FIG. 4;
FIG. 6 is a schematic view of the connection structure of the fixing shaft and the releasing roller;
in the drawings, the components represented by the respective reference numerals are listed below:
1-detection table shell, 2-impact block, 3-guide rod, 4-spring, 5-kinetic energy transmission component, 6-kinetic energy consumption component, 7-guide plate, 8-arc groove, 9-reset groove, 10-click plate, 11-reset plate, 12-telescopic piece, 13-brake piece, 14-guide column, 501-guide rail, 502-transmission block, 503-limiting block, 601-fixed shaft, 602-release roller, 603-counterweight ring and 604-impact plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open," "upper," "middle," "length," "inner," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-6, the invention relates to an impact test detection table for an automobile steering system, which comprises a detection table shell 1, wherein one end of the detection table shell 1 is horizontally provided with an impact block 2 in a sliding manner, two groups of guide rods 3 which are in the same moving direction as the impact block 2 and are connected with the impact block in a sliding manner are fixedly arranged in the detection table shell 1, the guide rods 3 are used for the impact block 2 to move directionally, springs 4 are arranged between the guide rods 3 and the impact block 2, specifically, hollow cylinders are arranged on two sides of the impact block 2 along the moving direction, the guide rods are sleeved in the hollow cylinders, one end of each guide rod is connected with the side wall of the detection table shell 1, the other end of each guide rod is provided with a fixed block connected with the detection table shell 1, the springs 4 are sleeved on the guide rods 3, and two ends of each guide rod are respectively connected with the hollow cylinders and the fixed blocks, and the springs 1 are used for storing energy to reset the impact block 2;
the kinetic energy transmission assembly 5 is arranged in the detection table shell 1, is positioned on a moving path of the impact block 2 and is in contact with the impact block 2 to absorb kinetic energy, the kinetic energy transmission assembly 5 comprises a guide rail 501 arranged along the moving direction of the impact block 2, a transmission block 502 slides on the guide rail 501, the transmission block 502 moves under the impact of the impact block 2, two ends of the guide rail 501 are respectively provided with a limit block 503 for limiting the moving range of the transmission block 502, specifically, the bottom of the transmission block 502 is provided with a groove matched with the guide rail 501 and slides on the groove, the transmission block 502 is used for receiving the kinetic energy of the impact block 2, the two parts are similar to Newtonian pendulum, when in impact contact, the transmission block 502 receives the kinetic energy and slides along the guide rail 501 at a certain speed, the impact block 2 transmits most of the kinetic energy when in impact, the impact block resets under the action of the spring 4, a limit surface of the limit block 503 is provided with a cushion pad, the top of the transfer block 502 is provided with a connecting block, the connecting block is connected with a reset mechanism (not shown), the reset mechanism is used for driving the transfer block 502 to reset, if a steel cable is adopted, a winding mechanism is arranged in the detection table shell 1 to wind and unwind the steel cable, so that resetting and loosening are realized;
the kinetic energy consumption assembly 6 is arranged in the monitoring platform shell, receives the kinetic energy of the kinetic energy transmission assembly 5 and consumes the kinetic energy, and the simplest mode is that a plurality of elastic pieces with large elastic coefficients are adopted to absorb the kinetic energy and continuously reciprocate to consume the kinetic energy.
The kinetic energy consumption assembly 6 comprises a fixed shaft 601 fixedly mounted on two opposite side wall members in the detection table shell 1, a release roller 602 is connected to the fixed shaft 601 through a bearing, a counterweight ring 603 is fixedly mounted on the release roller 602, an impact plate 604 arranged on the surface of the counterweight ring 603 is connected to the counterweight ring 603, the impact plate 604 drives the release roller 602 to rotate under the action of the kinetic energy transmission assembly 5 to consume kinetic energy, specifically, the impact plate 604 is located at the end of a moving path of the transmission block 502 when located under the fixed shaft 601, and impacts the impact plate 604 when the transmission block 502 moves to the end, so that the impact plate rotates on the fixed shaft 601 to transmit kinetic energy, and the counterweight ring 603 is used for increasing the overall mass and further preventing the transmission speed of special blocks.
Two groups of guide plates 7 are arranged below the releasing roller 602 in the detection table shell 1, two crossed arc grooves 8 are formed in the guide plates 7, the crossed positions are lower than the axial height of the fixed shaft 601, a vertically arranged reset groove 9 for connecting the two arc grooves 8 is formed in the guide plates 7 and is positioned under the axial line of the fixed shaft 601, a combined impact plate 10 moving in the arc grooves 8 and the reset groove 9 is arranged between the two groups of guide plates 7, the top of the combined impact plate 10 is matched with the impact plate 604, a reset plate 11 for upwards pushing the combined impact plate 10 is further arranged in the detection table shell 1, a telescopic piece 12 arranged in the detection table shell 1 is arranged below the reset plate 11, specifically, the combined impact plate 10 is arranged between the two guide plates 7 and moves in the arc grooves and the reset groove 9, the combined impact plate 10 is used for prolonging the impact plate 604, the combined impact plate 10 does not directly act on the impact plate 604 when the transmission block 502 impacts, under the rotation of the subsequent releasing roller 602, the combined impact plate 10 is gradually separated from the impact plate 604 under the action of centrifugal force, so that the impact plate 604 and the transfer block 502 cannot interfere at any position, the motion track of the combined impact plate 10 enters one arc groove 8 at the upper part when thrown out, enters the other arc groove 8 due to the action of gravity when resetting, and resets from the resetting groove 9 under the action of the resetting plate 11, a buffer plate is connected between the tops of the two groups of guide plates 7, and certain kinetic energy is optionally generated when the combined impact plate 10 is thrown out, and the buffer plate buffers the kinetic energy.
The striking plates 604 are provided with a plurality of groups and are uniformly distributed on the counterweight ring 603, magnetic blocks are further arranged in the detection table shell 1 and used for generating attraction, when the release roller 602 rotates to a final hovering position, any one striking plate 604 is positioned right above the reset plate 11, the striking plates 604 are uniformly provided with a plurality of groups for balancing, the rotating unbalance on the fixed shaft 601 is avoided, the service life is influenced, when the striking plates 604 are provided with a plurality of groups, the striking plates 604 cannot be positioned at the lowest part under the action of gravity, therefore, the magnetic blocks are arranged, the magnetic blocks can influence the final hovering position because the magnetic blocks have the maximum attraction on the convex striking plates 604, any one striking plate 604 is positioned at the lowest part, namely, the striking plates are positioned right above the reset plate 11 and are in butt joint reset with the striking plates 604 under the action of the reset plate 11, guide posts 14 which are arranged in the detection table shell 1 in a sliding mode along the vertical direction are fixedly connected to the position right below the reset plate 11, the guide posts 14 are used to reduce the impact on the telescopic member 12 when the reset plate 11 is reset.
The bottom of the combined impact plate 10 and the top of the reset plate 11 are both arc surfaces which take the axis of the fixed shaft 601 as the center, the arc surfaces enable the contact surface of the combined impact plate and the reset plate to be the largest, and the support is more stable when the combined impact plate is reset.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a car a steering system impact test detects platform, is including detecting a casing (1), its characterized in that: one end of the detection table shell (1) is horizontally provided with an impact block (2) in a sliding manner, two groups of guide rods (3) which have the same moving direction as the impact block (2) and are connected with the impact block in a sliding manner are fixedly arranged in the detection table shell (1), the guide rods (3) are used for the impact block (2) to move directionally, and springs (4) are arranged between the guide rods (3) and the impact block (2);
the kinetic energy transmission assembly (5) is arranged in the detection table shell (1), is positioned on a moving path of the impact block (2) and is in contact with the impact block (2) to absorb kinetic energy, the kinetic energy transmission assembly (5) comprises a guide rail (501) arranged along the moving direction of the impact block (2), a transmission block (502) slides on the guide rail (501), the transmission block (502) moves under the impact of the impact block (2), and two ends of the guide rail (501) are provided with limit blocks (503) for limiting the moving range of the transmission block (502);
the kinetic energy consumption assembly (6) is arranged in the monitoring platform shell, receives the kinetic energy of the kinetic energy transmission assembly (5) and consumes the kinetic energy.
2. The automobile steering system impact test detection table according to claim 1, wherein the kinetic energy consumption assembly (6) comprises a fixed shaft (601) fixedly installed on two opposite side wall members in the detection table shell (1), the fixed shaft (601) is connected with a release roller (602) through a bearing, the release roller (602) is fixedly installed with a counterweight ring (603), the counterweight ring (603) is connected with an impact plate (604) arranged on the surface of the counterweight ring, and the impact plate (604) drives the release roller (602) to rotate under the action of the kinetic energy transmission assembly (5) to consume kinetic energy.
3. The impact test detection bench for the steering system of the automobile according to claim 2, two groups of guide plates (7) are arranged below the releasing roller (602) in the detection table shell (1), two crossed arc grooves (8) are formed in the guide plates (7), the crossed position is lower than the axial height of the fixed shaft (601), a vertically arranged reset groove (9) for connecting two arc grooves (8) is arranged in the guide plates (7) and is positioned under the axial height of the fixed shaft (601), a combined striking plate (10) moving in the arc grooves (8) and the reset groove (9) is arranged between the two groups of guide plates (7), the top of the combined impact plate (10) is matched with the impact plate (604), a reset plate (11) used for pushing the combined impact plate (10) upwards is further arranged in the detection table shell (1), and a telescopic piece (12) arranged in the detection table shell (1) is arranged below the reset plate (11).
4. The impact test detection table for the automobile steering system according to claim 3, wherein the impact plates (604) are provided with a plurality of groups and are uniformly distributed on the counterweight ring (603), a magnetic block is further arranged in the detection table shell (1) and is used for generating attraction, and when the release roller (602) rotates to a final hovering position, any one of the impact plates (604) is positioned right above the reset plate (11).
5. The impact test detection bench for the automobile steering system according to claim 2, 3 or 4, characterized in that the two ends of the releasing roller (602) are fixedly provided with brake pads (13).
6. The impact test detection bench for the automobile steering system according to claim 3, characterized in that a guide post (14) which is slidably arranged in the detection bench shell (1) along the vertical direction is fixedly connected right below the reset plate (11), and the guide post (14) is used for reducing the impact on the telescopic member (12) when the reset plate (11) is reset.
7. The automobile steering system impact test detection bench according to claim 3 or 4, characterized in that the bottom of the clutch plate (10) and the top of the reset plate (11) are both arc surfaces centering on the axis of the fixed shaft (601).
8. The impact test detection table for the automobile steering system according to claim 1, wherein a cushion pad is arranged on the limiting surface of the limiting block (503).
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CN202111626932.3A CN114323531B (en) | 2021-12-28 | 2021-12-28 | Impact test detection table for automobile steering system |
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CN202111626932.3A CN114323531B (en) | 2021-12-28 | 2021-12-28 | Impact test detection table for automobile steering system |
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CN114323531B CN114323531B (en) | 2024-09-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116609091A (en) * | 2023-07-20 | 2023-08-18 | 四川护邑科技有限公司 | Automobile anti-collision test system and anti-collision test vehicle thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990004561U (en) * | 1997-07-04 | 1999-02-05 | 이유만 | Car chair |
CN206248306U (en) * | 2016-12-08 | 2017-06-13 | 苏州世力源科技有限公司 | Automobile collapsible formula steering column impact test apparatus |
CN109398281A (en) * | 2018-11-07 | 2019-03-01 | 重庆电子工程职业学院 | A kind of energy absorption device for automotive high intensity crash tests |
CN210346962U (en) * | 2019-09-10 | 2020-04-17 | 山东海颐威工程技术有限公司 | Curtain collision detection device based on BIM technique |
-
2021
- 2021-12-28 CN CN202111626932.3A patent/CN114323531B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990004561U (en) * | 1997-07-04 | 1999-02-05 | 이유만 | Car chair |
CN206248306U (en) * | 2016-12-08 | 2017-06-13 | 苏州世力源科技有限公司 | Automobile collapsible formula steering column impact test apparatus |
CN109398281A (en) * | 2018-11-07 | 2019-03-01 | 重庆电子工程职业学院 | A kind of energy absorption device for automotive high intensity crash tests |
CN210346962U (en) * | 2019-09-10 | 2020-04-17 | 山东海颐威工程技术有限公司 | Curtain collision detection device based on BIM technique |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116609091A (en) * | 2023-07-20 | 2023-08-18 | 四川护邑科技有限公司 | Automobile anti-collision test system and anti-collision test vehicle thereof |
CN116609091B (en) * | 2023-07-20 | 2023-09-26 | 四川护邑科技有限公司 | Automobile anti-collision test system and anti-collision test vehicle thereof |
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