CN212254525U

CN212254525U - New energy automobile anticollision roof beam drop hammer impact test device

Info

Publication number: CN212254525U
Application number: CN202020827593.XU
Authority: CN
Inventors: 王青浩; 郑强; 周俊蓉
Original assignee: Jiangsu Jiashide Testing Technology Co ltd
Current assignee: Jiangsu Jiashide Testing Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-29
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a new energy automobile anticollision roof beam drop hammer impact test device, including electric block, impact track, jump bit, support and the adjustable supporting component of sample, the adjustable supporting component of sample is located in the support, and the impact track is located on the support, and the impact track top is equipped with electric block, and electric block links to each other with the jump bit through quick release hook, and electric block can be pulled up or release the jump bit, makes the jump bit move in the impact track; the sample adjustable supporting component comprises sample supporting columns which are respectively arranged on the sample supporting span adjusting bracket, and the sample supporting span adjusting bracket is detachably arranged on the bracket; the sample adjustable support assembly further comprises a sample inclination adjustment support roller adjustably mounted on the sample support column.

Description

New energy automobile anticollision roof beam drop hammer impact test device

Technical Field

The utility model belongs to the technical field of new energy automobile anticollision roof beam receives impact deformation's experiment, concretely relates to new energy automobile anticollision roof beam drop hammer impact test device.

Background

With the development of economy and the improvement of the living standard of people, the automobile is moving into thousands of households, the moving space of the user is widened due to the characteristic of quick movement, the living quality of the user is improved, however, the automobile is very fast, so that certain potential safety hazards exist for automobile drivers and passengers, a protection device is arranged on an automobile body, particularly an automobile door, the safety of the drivers and passengers can be effectively protected when the automobile is impacted by external force in the high-speed driving process, the high requirement on the strength of the anti-collision beam is provided, and certain test standards are required to be met. The automobile anti-collision beam drop hammer impact test refers to that under the condition of simulated installation, an object with a certain shape, a certain mass and a certain speed impacts a sample to cause the sample to deform under stress, so that adverse phenomena such as fracture, collapse and the like generated after the sample deforms under impact are screened out.

The drop hammer impact test device disclosed in publication number CN208537322U comprises at least two guide rails vertically fixed on the ground, a heavy hammer sleeved on the two guide rails, and a support component for supporting the heavy hammer arranged at the lower part of the two guide rails; the weight includes: a body for impacting the object to be tested at the lower part; the side part of the body is provided with a supporting edge sliding up and down along the guide rail; the support assembly includes: the device comprises at least two groups of bottom supporting pieces arranged on a bottom plate, objects to be measured are arranged on the bottom plate in the middle of the multiple groups of bottom supporting pieces, are opposite to a heavy hammer body on the upper portion, and are arranged on the upper portion of the bottom supporting pieces, and rubber layers for supporting the side supporting edges of the heavy hammers. The utility model discloses a set up the correlation sensor, can sense the weight of whereabouts, and then can start the hoisting device who supports the rubber layer, with the rubber layer jack-up that makes progress for rubber layer supports the weight after assaulting, reduces or avoids the bounce-back of weight to the damage many times that the measured object caused.

Also disclosed in publication No. CN206515167U is a high-speed drop hammer impact tester, which includes a bracket, a hammer lifting mechanism, a hammer grasping mechanism, and an accelerating mechanism. The hammer lifting mechanism is arranged on the support and comprises a guide mechanism for guiding the hammer grabbing mechanism in the vertical direction and a driving mechanism for driving the hammer grabbing mechanism to move up and down along the guide mechanism. The hammer grabbing mechanism can be matched with the guide mechanism in a vertically moving mode, and comprises a grabbing piece for grabbing or loosening the drop hammer, so that the drop hammer is grabbed and lifted upwards to a certain height to be loosened, and the drop hammer is loosened and falls down. The accelerating mechanism is correspondingly matched with the drop hammer and used for driving the initial speed of the drop hammer to be greater than 0m/s when the drop hammer falls downwards. The acceleration mechanism can enable the drop hammer to obtain higher initial speed when falling under a certain lifting height, and realize high-speed impact on a workpiece to be impacted after falling to the workbench, so that the height of the testing machine can be shortened as much as possible, the problem that the impact speed of the drop hammer impact testing machine is limited by the height of equipment is solved, and the manufacturing cost and the site requirement of the equipment are reduced.

Because the impact energy that new energy automobile anticollision roof beam drop hammer test device's test standard required is very big, and the sample is supported the position and is not a plane in addition, the support that needs relatively laminating, and current test device does not have special equipment, can't satisfy the test demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a new energy automobile anticollision roof beam drop hammer impact test device can guarantee the sample that awaits measuring receive the impact face perpendicular with the direction of impact with the support of the sample comparison laminating that awaits measuring on test device.

The utility model provides a following technical scheme:

the new energy automobile anti-collision beam drop hammer impact test device is characterized by comprising an electric hoist, an impact track, an impact hammer, a support and a sample adjustable supporting assembly, wherein the sample adjustable supporting assembly is arranged in the support;

the sample adjustable support assembly comprises sample support columns respectively mounted on sample support span adjusting brackets, and the sample support span adjusting brackets are detachably arranged on the brackets; the sample adjustable support assembly further comprises a sample inclination adjustment support roller adjustably mounted on the sample support column.

Preferably, the bracket is also provided with a sample limit baffle bracket, and the sample limit baffle bracket is provided with a sample front limit baffle and a sample rear limit baffle with adjustable intervals; a horse wheel is further arranged below the support.

Preferentially, the electric block is buckled with the quick release hook through a steel wire rope, and the quick release hook is hooked with the impact hammer.

Preferably, a plurality of screw holes are formed on the sample supporting column; sample gradient adjustment backing roll both ends be equipped with the fisheye screw of the positive and negative tooth that the screw hole matches, the fisheye screw passes through the bolt and nut detachably of matching and installs on the sample support column.

Preferably, the bracket, the sample support span adjusting bracket and the sample limit baffle bracket are all provided with a plurality of screw holes, the sample support span adjusting bracket is connected to the bracket through matched screws, and the sample support column is mounted on the sample support span adjusting bracket through matched screws; and the front and rear sample limiting baffles are arranged on the sample supporting span adjusting bracket through matched screws.

Preferably, the electric hoist is controlled by remote control with the quick release hook.

The utility model has the advantages that: the height of the impact hammer can be set randomly according to different impact energy requirements, the impact hammer is lifted to reach a target height by an automatic lifter, labor and time are saved by automatically remotely controlling a release hook, the impact hammer is protected by a rail in the falling process and cannot deviate or turn, the test process is safer, the test effect is more ideal, the degree of freedom of a sample support frame is adjustable, and the impact hammer is perfectly attached according to the size and the shape of a sample; the horseback wheels are arranged at the bottom of the device, so that the horseback wheels can be conveniently and integrally moved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the present invention at an oblique upper angle;

fig. 3 is a schematic side view of the present invention.

Detailed Description

As shown in the figure, a new energy automobile anticollision roof beam drop hammer impact test device, including electric block 1, strike track 2, jump bit 4, support 11 and the adjustable supporting component 20 of sample, the adjustable supporting component of sample is located in support 11, strike track 2 and locate on support 11, strike 2 tops of track and be equipped with electric block 1, electric block 1 links to each other with jump bit 4 through quick release hook 3, electric block 1 can be pulled up or release jump bit 4, make jump bit 4 at the 2 internal motion of impact track.

The sample adjustable supporting assembly 20 comprises four sample supporting columns 7, a plurality of screw holes are formed in the sample supporting columns 7, every two of the four sample supporting columns 7 are in a group and are symmetrically installed on two sample supporting span adjusting supports 8, screw holes are formed in two ends of each sample supporting span adjusting support 8, the screw holes are identical to screw holes evenly formed in the supports 11 in size, and the screw holes are connected with the supports 11 through matched bolts and nuts; the adjustable supporting component 20 of sample still includes two sample gradient adjustment backing rolls 9, two sample gradient adjustment backing rolls 9 both ends are equipped with the fisheye screw 14 of equidimension positive and negative tooth respectively, make sample gradient adjustment backing roll 9 clockwise rotation extension, counter-clockwise turning shortens, thereby match with the width of the sample 10 that awaits measuring, sample gradient adjustment backing roll 9 passes through fisheye screw 14 to be connected respectively between installing a set of sample support post 7 on same sample support span adjustment support 8, sample support post 7 is higher than sample gradient adjustment backing roll 9, can play limiting displacement.

Still be equipped with sample limit baffle support 12 on support 11, on sample limit baffle support 12 and sample around on the limit baffle 6 equidistance be equipped with a plurality of big screw holes such as equidistance, limit baffle 6 is installed on sample limit baffle support 12 through assorted fixed screw around the sample, can be according to the sample to be measured length adjustment two samples around the distance between limit baffle 6 make the sample to be measured can laminate in the middle of limit baffle more firmly.

The impact track 2 is formed by a cuboid channel surrounded by four stand columns, a certain gap is reserved between the impact track 2 and the impact hammer 4, so that the impact hammer 4 has smaller resistance in the falling process, the impact hammer is close to the free falling motion as much as possible, and the test conditions are more ideal.

A lifting steel wire rope 5 on the electric hoist 1 is buckled with a quick release hook 3, the quick release hook 3 is hooked with an impact hammer 4, the electric hoist 1 is controlled by a remote controller to lift the quick release hook 3 and lift or release the impact hammer 4, wherein the electric hoist 1 and the quick release hook 3 are controlled by the remote controller; and a horse wheel 15 is further arranged below the support 11, so that the new energy automobile anti-collision beam drop hammer impact test device can be conveniently moved and fixed.

Before the test is started, firstly checking whether the quick release hook 3 is firmly hooked with the impact hammer 4, ensuring that a button of the quick release hook 3 cannot be touched by mistake, then detaching a front and rear sample limiting baffle 6 and a sample supporting column 7, rotating a sample inclination adjusting supporting roller 9 according to the width of a sample 10 to be tested to enable the sample inclination adjusting supporting roller 9 to be extended or shortened to be proper in width, fixing the sample supporting column 7 on a sample supporting span adjusting bracket 8, placing the sample 10 to be tested on the sample inclination adjusting supporting roller 9, adjusting the inclination angle of the supporting roller 9 by adjusting the two product inclinations according to the shape characteristics of the sample 10 to be tested through the position of a fisheye screw 14, and enabling the impacted surface of the sample 10 to be tested to be vertical to the impact force direction; the mounting positions of the front and rear sample limiting baffles 6 are adjusted according to the size of the sample 10 to be tested, and the sample is limited in front, rear, left and right directions through the front and rear sample limiting baffles 6 and the root pressing product supporting column 7, so that the sample 10 to be tested is guaranteed to be mounted firmly; after the sample 10 to be tested is mounted, checking whether the quick release hook 3 is firmly hooked with the impact hammer 4 again, withdrawing the personnel out of the safety range, starting the electric hoist 1 to pull up the impact hammer 4 to the height required by the experiment, pressing a remote controller button of the quick release hook 3 to release the impact hammer 4 by the quick release hook 3, enabling the impact hammer 4 to freely fall in the impact track 2, and impacting the sample 10 to be tested; after the test is finished, the electric hoist 1 is remotely controlled to enable the quick release hook 3 to fall to the bottom end, the quick release hook 3 is manually hooked on the impact hammer 4, the impact hammer 4 is slightly lifted, and preparation is made for the next test.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The new energy automobile anti-collision beam drop hammer impact test device is characterized by comprising an electric hoist (1), an impact track (2), an impact hammer (4), a support (11) and a sample adjustable support component (20), wherein the sample adjustable support component is arranged in the support (11), the impact track (2) is arranged on the support (11), the electric hoist (1) is arranged at the top end of the impact track (2), the electric hoist (1) is connected with the impact hammer (4) through a quick release hook (3), and the electric hoist (1) can pull up or release the impact hammer (4) to enable the impact hammer (4) to move inside the impact track (2);

the sample adjustable supporting component (20) comprises sample supporting columns (7) which are respectively arranged on sample supporting span adjusting brackets (8), and the sample supporting span adjusting brackets (8) are detachably arranged on the brackets (11); the sample adjustable support assembly (20) further comprises a sample inclination adjustment support roller (9), the sample inclination adjustment support roller (9) being adjustably mounted on the sample support column (7).

2. The new energy automobile anti-collision beam drop hammer impact test device according to claim 1, characterized in that a sample limit baffle bracket (12) is further arranged on the bracket (11), and a sample front limit baffle and a sample rear limit baffle (6) with adjustable spacing are arranged on the sample limit baffle bracket (12); a horse wheel (15) is further arranged below the support (11).

3. The new energy automobile anti-collision beam drop hammer impact test device according to claim 1, wherein the electric block (1) is fastened with a quick release hook (3) through a steel wire rope (5), and the quick release hook (3) is hooked with the impact hammer (4).

4. The new energy automobile anti-collision beam drop hammer impact test device according to claim 1, wherein a plurality of screw holes (13) are formed in the sample support column (7); sample gradient adjustment backing roll (9) both ends be equipped with fisheye screw (14) of positive and negative tooth that screw hole (13) match, fisheye screw (14) are installed through the bolt nut detachably that matches on sample support column (7).

5. The new energy automobile anti-collision beam drop hammer impact test device according to claim 2, wherein a plurality of screw holes are formed in the support (11), the sample support span adjusting support (8) and the sample limit baffle support (12), the sample support span adjusting support (8) is connected to the support (11) through matched screws, and the sample support column (7) is mounted on the sample support span adjusting support (8) through matched screws; and the front and rear sample limiting baffles (6) are arranged on the sample supporting span adjusting bracket (8) through matched screws.

6. The new energy automobile anti-collision beam drop hammer impact test device according to claim 1, wherein the electric hoist (1) and the quick release hook (3) are controlled through remote control.