CN218271305U

CN218271305U - Automobile front and rear bumper testing device

Info

Publication number: CN218271305U
Application number: CN202221982220.5U
Authority: CN
Inventors: 庞士兵; 朱晓华; 卞胜清
Original assignee: Chongqing Beiqi Moulding Technology Co ltd
Current assignee: Chongqing Beiqi Moulding Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-10
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to an automobile front and rear bumper testing arrangement, comprising a base plate, the right side fixed mounting at bottom plate top has the air bubble, the bottom plate top is equipped with the high-speed propulsion subassembly with air bubble output swing joint, the one end that advances the subassembly at a high speed is equipped with the bumper sample, the left side fixed mounting at bottom plate top has the base that shocks resistance, the right side fixed mounting of the base that shocks resistance has second impact force sensor. This automobile front and rear bumper testing arrangement, the superhigh pressure air that produces through the air bubble is inputed the barrel in an instant, then uses on the propulsion board, let propulsion board along with piston rod, mounting panel, first impact force sensor and bumper sample hit towards second impact force sensor at a high speed then, the form through observing the bumper sample reachs the anti impulsive force ability of bumper sample to this test mode with simulation experiment car impact sensor has not only saved a large amount of spaces.

Description

Automobile front and rear bumper testing device

Technical Field

The utility model relates to a bumper test technical field specifically is an automobile front and rear bumper testing arrangement.

Background

With the high-speed development of the automobile industry and the intense competition in the automobile industry, new automobile models continuously appear, the development and manufacturing period of new automobile products is shorter and shorter, the safety of automobiles becomes a more and more concerned problem for consumers and automobile manufacturing enterprises, and the automobile bumper is used as an automobile body component for absorbing and mitigating external impact force and plays a crucial role in protecting the automobile body and the personal safety in low-speed collision accidents.

Traditional car bumper striking test is mostly installed the car bumper on the test car, lets the test car test with higher speed the impact force sensor's that the striking stews mode, and this kind of mode need prepare longer runway in advance to the test car all need be maintained again after testing at every turn, not only occupies a large amount of spaces, and its test cost is still big, for this reason, this application provides a car front and rear bumper testing arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rear bumper testing arrangement before car possesses and accounts for the space little, advantage such as test cost low.

Occupy the space for realizing above-mentioned little, purpose that the test cost is low, the utility model provides a following technical scheme: the utility model provides an automobile front and rear bumper testing arrangement, includes the bottom plate, the right side fixed mounting at bottom plate top has the air bubble, the bottom plate top is equipped with the high-speed propulsion subassembly with air bubble output swing joint, the one end that advances the subassembly at a high speed is equipped with the bumper sample, the left side fixed mounting at bottom plate top has the base that shocks resistance, the right side fixed mounting of the base that shocks resistance has second impact force sensor, the bottom plate top just is located the surface of the base that shocks resistance and is equipped with the guard shield, the high-speed propulsion subassembly includes the barrel of fixed mounting on the bottom plate, the inside movable mounting of barrel has the propulsion board, the left side fixed mounting of propulsion board has the outside piston rod that extends to the barrel left end, the left end fixed mounting of piston rod has the mounting panel, the gas vent has been seted up to the lateral wall of barrel, the left side movable mounting of mounting panel has the first impact force sensor with bumper sample swing joint.

Further, air bubble and barrel all pass through mount pad fixed mounting on the bottom plate, and air bubble's left side fixed mounting has the docking ring, and equidistant fixed mounting has 6 docking rods in docking ring's inside, and barrel right-hand member fixed mounting has the docking plate with docking rod sliding connection, and the surface of docking rod just is located the left side screw thread of docking plate and installs fastening nut, and the outside fixed mounting cover of docking ring and docking plate has connect and has embraced and tightly hoop.

Further, it is equipped with two to embrace tightly to bind round, embraces tightly to bind round and be the semicircle annular, embraces the equal fixed mounting in both ends in the outside of tightly binding round and has the connecting plate, and two embrace tightly to bind round and pass through bolt threaded connection.

Further, the through-hole with the piston rod adaptation is seted up on the barrel left side, and the barrel inner wall contacts with the propulsion board lateral wall, and the barrel inner wall is the finish polishing face with the propulsion board lateral wall, and propulsion board, piston rod all with barrel sliding connection.

Furthermore, the gas vent is the round mouth, and the gas vent is provided with 3, and 3 gas vents are triangular distribution in the barrel outside, and the gas vent is located barrel left end one sixth department.

Further, first impact force sensor and second impact force sensor are in same straight line, and the equal fixed mounting in both ends of first impact force sensor has solid fixed ring, gu fixed ring goes up the screw thread and installs the butt joint screw rod with mounting panel or bumper sample threaded connection, the base that shocks resistance is right trapezoid.

Furthermore, the protective cover is double-layer explosion-proof glass, the right end of the protective cover is flush with the left end of the gun barrel, and the detection door is rotatably installed on the front side of the protective cover.

Compared with the prior art, the utility model provides a rear bumper testing arrangement before car possesses following beneficial effect:

this automobile front and rear bumper testing arrangement, the superhigh pressure air that produces through the air bubble is inputed to the barrel in an instant, then act on the propulsion board, then let the propulsion board along with the piston rod, the mounting panel, first impact sensor and bumper sample are high-speed to the impact sensor of second impact sensor and run off, judge how much energy has been absorbed to the bumper sample through comparing the difference of first impact sensor and second impact sensor afterwards, and simultaneously, reachs bumper sample impact resistance ability through observing the form of bumper sample, with this test mode in order to simulate experimental car impact sensor, a large amount of spaces have not only been saved, and simultaneously, the propulsion board is along with piston rod and mounting panel and can use repeatedly, do not need the maintenance, the test cost has been reduced by a wide margin, in addition, when striking, whole striking scene is in the guard shield, can effectively avoid the condition that the face bumper sample bursts and scatters, nearby staff's security has been promoted.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the connection between the mounting plate and the bumper sample of the present invention;

fig. 3 is a front view of the present invention.

In the figure: the device comprises a base plate 1, an air cannon 2, a cannon barrel 3, a butt joint rod 4, a hoop 5, a pushing plate 6, a piston rod 7, an installation plate 8, an exhaust port 9, a first impact force sensor 10, a fixing ring 101, a butt joint screw 102, a bumper sample 11, an impact resistance base 13, a second impact force sensor 14, a protective cover 15 and a detection door 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a testing device for a front bumper and a rear bumper of an automobile comprises a bottom plate 1, wherein an air cannon 2 is fixedly arranged on the right side of the top of the bottom plate 1 through a fixed seat.

The top of the bottom plate 1 is provided with a high-speed propelling component movably connected with the output end of the air cannon 2.

High-speed subassembly that impels includes barrel 3 through fixing base fixed mounting on bottom plate 1, the inside slidable mounting of barrel 3 has propulsion plate 6, the left side fixed mounting of propulsion plate 6 has the piston rod 7 that extends to 3 left ends outsides of barrel, the left end fixed mounting of piston rod 7 has mounting panel 8, and it has 3 circular shape gas vents 9 to have seted up the equidistant at the lateral wall of barrel 3, the left side movable mounting of mounting panel 8 has the first impact force sensor 10 with 11 swing joint of bumper sample.

It should be noted that the air generated by the air cannon 3 can push the propulsion plate 6 to move at a high speed, and a controller can be additionally arranged during production to adjust the energy storage of the air cannon 3 so as to simulate the impact conditions of different vehicle speeds.

There is the docking ring at the left side fixed mounting of air bubble 2, and the equidistant fixed mounting in the inside of docking ring has 6 docking rod 4, and 3 right-hand members of barrel then fixed mounting have with docking rod 4 sliding connection's docking plate, simultaneously, have fastening nut at the surface of docking rod 4 and the left side threaded mounting who is located the docking plate, the outside fixed mounting cover of docking ring and docking plate has embraced and has tightly hooped 5 for further couple together air bubble 2 and barrel 3.

It is worth noting that the clasping hoop 5 is provided with two hoops, and the clasping hoop 5 is in a semicircular ring shape when viewed from the side, meanwhile, connecting plates are fixedly installed at two ends of the outer side of the clasping hoop 5, and the two clasping hoops 5 are connected through bolts and threads.

Wherein, the through-hole with 7 adaptations of piston rod is seted up on the left of barrel 3, and 3 inner walls of barrel contact with 6 lateral walls of propulsion plate, and 3 inner walls of barrel and 6 lateral walls of propulsion plate are the finish polishing face for reduce, the frictional resistance between propulsion plate 6 and the barrel 3.

Secondly, 3 exhaust ports 9 are distributed on the outer side of the gun barrel 3 in a triangular mode, the exhaust ports 9 are located at one sixth of the left end of the gun barrel 3, and when the first impact force sensor 10 impacts the second impact force sensor 14, air in the gun barrel 3 can be partially exhausted through the exhaust ports 9.

And a bumper sample 11 is provided at one end of the high speed propulsion assembly.

An impact-resistant base 13 is fixedly mounted on the left side of the top of the bottom plate 1, the impact-resistant base 13 is in a right trapezoid shape and can better resist impact from the mounting plate 8, and a second impact force sensor 14 is fixedly mounted on the right side of the impact-resistant base 13.

Referring to fig. 2, the first impact force sensor 10 and the second impact force sensor 14 are in the same line, so that the first impact force sensor 10 and the second impact force sensor 14 can be ensured to collide with each other in the front direction, thereby ensuring the accuracy of the test. Fixing rings 101 are fixedly mounted at both ends of the first impact sensor 10, and a docking screw 102 that is threadedly coupled to the mounting plate 8 or the bumper sample 11 is threadedly mounted on the fixing rings 101.

Referring to fig. 3, a cover 15 is disposed on the top of the base plate 1 and on the surface of the impact-resistant base 13.

Wherein, the guard shield 15 adopts double-deck explosion-proof glass to make, and the guard shield 15 right-hand member is the parallel and level with 3 left ends of barrel, and the front of guard shield 15 is rotated and is installed detection door 16 for prevent that the bumper from bursting and scattering all around and splashing, accidentally injuring the workman.

When the energy-saving type high-impact-resistance bumper sample 11 is used, the air cannon 2 is started, ultrahigh-pressure air generated after the air cannon 2 is released is input into the cannon barrel 3 at one moment, then the ultrahigh-pressure air is acted on the push plate 6, then the push plate 6 is enabled to drive the piston rod 7, the mounting plate 8, the first impact force sensor 10 and the bumper sample 11 to collide against the second impact force sensor 14 at a high speed, then the difference value between the first impact force sensor 10 and the second impact force sensor 14 is compared to judge how much energy the bumper sample 11 absorbs, and the impact resistance of the bumper sample 11 is obtained by observing the form of the bumper sample 11.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rear bumper testing arrangement before car, includes bottom plate (1), its characterized in that: an air cannon (2) is fixedly mounted on the right side of the top of the bottom plate (1), a high-speed propelling assembly movably connected with the output end of the air cannon (2) is arranged on the top of the bottom plate (1), a bumper sample (11) is arranged at one end of the high-speed propelling assembly, an impact-resistant base (13) is fixedly mounted on the left side of the top of the bottom plate (1), a second impact force sensor (14) is fixedly mounted on the right side of the impact-resistant base (13), and a protective cover (15) is arranged on the top of the bottom plate (1) and located on the surface of the impact-resistant base (13);

the high-speed subassembly that impels includes barrel (3) of fixed mounting on bottom plate (1), the inside movable mounting of barrel (3) has propulsion plate (6), the left side fixed mounting of propulsion plate (6) has piston rod (7) that extend to barrel (3) left end outside, the left end fixed mounting of piston rod (7) has mounting panel (8), gas vent (9) have been seted up to the lateral wall of barrel (3), the left side movable mounting of mounting panel (8) has first impact force sensor (10) with bumper sample (11) swing joint.

2. The automobile front and rear bumper testing device according to claim 1, characterized in that: air bubble (2) and barrel (3) all through mount pad fixed mounting on bottom plate (1), the left side fixed mounting of air bubble (2) has the butt joint ring, and the equidistant fixed mounting in inside of butt joint ring has 6 butt joint pole (4), and barrel (3) right-hand member fixed mounting has the butt joint board with butt joint pole (4) sliding connection, and the surface of butt joint pole (4) just is located the left side screw thread of butt joint board and installs fastening nut, and the outside fixed mounting cover of butt joint ring and butt joint board has connect to embrace and tightly hoop (5).

3. The automobile front and rear bumper testing device according to claim 2, characterized in that: embrace and tightly to bind round (5) and be equipped with two, embrace and tightly to bind round (5) and be half circular, embrace the equal fixed mounting in both ends in the outside of binding round (5) and have a connecting plate, embrace tightly to bind round (5) for two and pass through bolt threaded connection.

4. The automobile front and rear bumper testing device according to claim 1, characterized in that: the through-hole with piston rod (7) adaptation is seted up on barrel (3) left side, and barrel (3) inner wall and propulsion plate (6) lateral wall contact, and barrel (3) inner wall and propulsion plate (6) lateral wall are the finish polishing face, propulsion plate (6), piston rod (7) all with barrel (3) sliding connection.

5. The automobile front and rear bumper testing device according to claim 1, characterized in that: exhaust port (9) are the round mouth, and exhaust port (9) are provided with 3, and 3 exhaust ports (9) are triangular distribution in barrel (3) outside, and exhaust port (9) are located barrel (3) left end one sixth department.

6. An automobile front and rear bumper testing device according to claim 1, characterized in that: first impact force sensor (10) and second impact force sensor (14) are in same straight line, and the equal fixed mounting in both ends of first impact force sensor (10) has solid fixed ring (101), gu fixed ring (101) are gone up the screw thread and are installed butt joint screw rod (102) with mounting panel (8) or bumper sample (11) threaded connection, shock resistance base (13) are right trapezoid.

7. An automobile front and rear bumper testing device according to claim 1, characterized in that: the protective cover (15) is double-layer explosion-proof glass, the right end of the protective cover (15) is flush with the left end of the gun barrel (3), and the detection door (16) is rotatably installed on the front surface of the protective cover (15).