CN212646306U

CN212646306U - Clamping mechanism for bumper stress intensity detection equipment

Info

Publication number: CN212646306U
Application number: CN202021347557.XU
Authority: CN
Inventors: 杨智超
Original assignee: Yunnan Che Mo Gu Technology Co ltd
Current assignee: Yunnan Che Mo Gu Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-02
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a fixture that bumper atress intensity check out test set used, the on-line screen storage device comprises a base, the upper end symmetry of base is fixed with two support columns, two all be equipped with the cavity groove in the support column, be equipped with the anticreep piece in the cavity groove, the upper end fixedly connected with bracing piece of anticreep piece, be equipped with fixed establishment between bracing piece and the support column, the upper end of bracing piece is extended cavity groove and fixedly connected with and is put the thing board, put the lower extreme fixedly connected with cylinder of thing board, the flexible end fixedly connected with clamp plate of cylinder, two all be equipped with the spout on the relative lateral wall of support column, fixedly connected with slide bar in the spout, the clamp plate cover is established on the slide bar. The bumper stress test device has the advantages that the bumper is effectively clamped and fixed during the bumper stress test, the bumper stress test process is prevented from loosening, the buffering effect is good, the bumper stress test is prevented from deviating, and the test accuracy is improved.

Description

Clamping mechanism for bumper stress intensity detection equipment

Technical Field

The utility model relates to a bumper stress intensity check out test set correlation technique field specifically is a fixture that bumper stress intensity check out test set used.

Background

The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The front and rear bumpers of the sedan car of today are required to be harmonious and unified with the shape of the car body and to be light in weight in itself, besides maintaining the original protection function. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a common automobile consists of three parts, namely an outer plate, a buffer material and a cross beam. Wherein the outer plate and the buffer material are made of plastics, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet; the outer plates and the cushioning material are attached to the cross member.

The bumper that detects is treated in current bumper atress intensity detection can not carry out effectual fixed, easily takes off when leading to the bumper atress test, and buffering effect is poor when the atress test, leads to the atress test atress to easily take place to squint, influences the test result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixture that bumper atress intensity check out test set used to it can not carry out effectual fixing to put forward the bumper atress intensity detection that has now among the above-mentioned background art and treat the bumper that detects, easily pine takes off when leading to bumper atress test, and buffering effect is poor when the atress test, leads to the atress test atress to easily take place the skew, influences the problem of test result.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixture that bumper atress intensity check out test set used, includes the base, the upper end symmetry of base is fixed with two support columns, two all be equipped with the cavity groove in the support column, be equipped with the anticreep piece in the cavity groove, the upper end fixedly connected with bracing piece of anticreep piece, be equipped with fixed establishment between bracing piece and the support column, the upper end of bracing piece is extended cavity groove and fixedly connected with and is put the thing board, put the lower extreme fixedly connected with cylinder of thing board, the flexible end fixedly connected with clamp plate of cylinder, two all be equipped with the spout on the relative lateral wall of support column, fixedly connected with slide bar in the spout, the clamp plate cover is established on the slide bar, the clamp plate with sliding connection between the slide bar, two grip blocks of symmetry fixedly connected with on the base, be equipped with stop gear on.

Preferably, stop gear includes the centre gripping cover, the one end and the grip block fixed connection of centre gripping cover, the other end of centre gripping cover is equipped with the centre gripping groove, be equipped with sliding connection in the centre gripping inslot and have the supporting rod, be equipped with on the lateral wall of centre gripping cover with the locking screw at its inside is fixed to the supporting rod, the supporting rod extends the one end fixedly connected with grip block in centre gripping groove.

Preferably, the fixing mechanism comprises a fixing rod, one end of the fixing rod is fixedly connected with a fixing handle, the other end of the fixing rod is fixedly connected with a fixing plate, the fixing plate is abutted to the supporting rod, and the fixing rod is in threaded connection with the supporting column.

Preferably, a groove is formed in the side wall of the pressing plate, a ball is arranged in the groove, and the ball abuts against the inner side wall of the sliding groove.

Preferably, the sliding rod is sleeved with a spring, the spring is located at the lower end of the pressing plate, and two ends of the spring respectively abut against the side wall of the inner bottom end of the sliding chute and the side wall of the lower end of the pressing plate.

Preferably, the lower end of the base is fixedly connected with a bottom cushion.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping rod moves in the clamping sleeve by loosening the locking screw, so that the clamping block is abutted against the safety rod, the locking screw is rotated until the clamping rod is fixed in the clamping sleeve, the safety rod is fixedly clamped, the pressing plate slides on the sliding rod in the pressing process of the pressing plate, the spring is compressed, stress buffering is realized, the stability in the pressing process of the pressing plate is improved, the friction is reduced by the balls, and the pressing efficiency of the pressing plate is improved;

2. remove in the support column through the bracing piece, adjusting plate's height, adjust to appointed height, it rotates fixed handle and drives the dead lever, threaded connection effect between dead lever and the support column, make the dead lever remove in the support column and promote the fixed plate and realize the fixed to the bracing piece, it is fixed to the effective centre gripping of bumper when should carrying out the bumper atress test, the pine of having avoided bumper atress test in-process takes off, and the buffering is effectual, avoid the bumper atress test to take place the skew, the testing accuracy has been improved.

Drawings

Fig. 1 is a schematic structural view of a clamping mechanism for a bumper stress strength detection device of the present invention;

fig. 2 is a schematic structural view of a position a of a clamping mechanism for a bumper stress strength detection device according to the present invention;

fig. 3 is the utility model discloses a fixture's stop gear structure sketch map that bumper stress intensity check out test set used.

In the figure: 1 support column, 2 hollow grooves, 3 bracing pieces, 4 cylinders, 5 storage plates, 6 pressing plates, 7 bases, 8 bottom cushions, 9 clamping plates, 10 locking screws, 11 sliding grooves, 12 springs, 13 sliding rods, 14 fixing handles, 15 fixing rods, 16 fixing plates, 17 bearing blocks, 18 balls, 19 anti-dropping blocks, 20 clamping sleeves, 21 clamping rods and 22 clamping blocks.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a fixture that bumper stress intensity check out test set used, the on-line screen storage device comprises a base 7, the upper end symmetry of base 7 is fixed with two support columns 1, all be equipped with well dead slot 2 in two support columns 1, be equipped with anticreep piece 19 in the well dead slot 2, the upper end fixedly connected with bracing piece 3 of anticreep piece 19, be equipped with fixed establishment between bracing piece 3 and the support column 1, well dead slot and fixedly connected with put thing board 5 are extended to the upper end of bracing piece 3, put the lower extreme fixedly connected with cylinder 4 of thing board 5, the flexible end fixedly connected with clamp plate 6 of cylinder 4, all be equipped with spout 11 on the relative lateral wall of two support columns 1, fixedly connected with slide bar 13 in the

spout

11, 6 covers of clamp plate are established on slide bar 13, sliding connection between clamp plate 6 and the slide bar 13, two grip blocks 9 of.

The utility model discloses in: the limiting mechanism comprises a clamping sleeve 20, one end of the clamping sleeve 20 is fixedly connected with a clamping plate 9, the other end of the clamping sleeve 20 is provided with a clamping groove, a clamping rod 21 is slidably connected in the clamping groove, a locking screw 10 for fixing the clamping rod 21 in the clamping sleeve 20 is arranged on the outer side wall of the clamping sleeve, one end of the clamping rod 21 extending out of the clamping groove is fixedly connected with a clamping block 22, a cylinder 4 on the object placing plate 5 pushes a pressing plate 6 to move downwards, a safety rod placed on the base 7 is subjected to stress test, the clamping rod 21 moves in the clamping sleeve 20 by loosening the locking screw 10, and after the clamping block 22 abuts against the safety rod, the locking screw 10 is rotated until the clamping rod 21 is fixed in the clamping sleeve 20, so that the safety rod is fixedly clamped; the fixing mechanism comprises a fixing rod 15, one end of the fixing rod 15 is fixedly connected with a fixing handle 14, the other end of the fixing rod 15 is fixedly connected with a fixing plate 16, the fixing plate 16 abuts against the supporting rod 3, the fixing rod 15 is in threaded connection with the supporting column 1, the supporting rod 3 moves in the supporting column 1, the height of the pressing plate 6 is adjusted to be a specified height, the fixing handle 14 is rotated to drive the fixing rod 15 to rotate, and the fixing rod 15 and the supporting column 1 are in threaded connection, so that the fixing rod 15 moves in the supporting column 1 to push the fixing plate 16 to fix the supporting rod 3; a groove is formed in the side wall of the pressing plate 6, a ball 18 is arranged in the groove, the ball 18 abuts against the inner side wall of the sliding groove 11, the ball 18 reduces friction, and the pressing efficiency of the pressing plate 6 is improved; the sliding rod 13 is sleeved with a spring 12, the spring 12 is positioned at the lower end of the pressing plate 6, two ends of the spring 12 are respectively abutted against the side wall of the inner bottom end of the sliding chute 11 and the side wall of the lower end of the pressing plate 6, the pressing plate 6 slides on the sliding rod 13 in the pressing process of the pressing plate 6, the spring 12 is compressed, stress buffering is realized, and the stability of the pressing plate 6 in the pressing process is improved; the lower end of the base 7 is fixedly connected with a bottom cushion 8.

The working principle is as follows: the air cylinder 4 on the object placing plate 5 pushes the pressing plate 6 to move downwards, the safety rod placed on the base 7 is subjected to stress test, by loosening the locking screw 10, the clamping rod 21 moves in the clamping sleeve 20, after the clamping block 22 abuts against the safety lever, the locking screw 10 is turned until the clamping rod 21 is fixed in the clamping sleeve 20, the fixed clamping of the safety lever is maintained, in the process of pressing down the pressing plate 6, the pressing plate 6 slides on the sliding rod 13, the spring 12 is compressed, the stress buffering is realized, the stability of the pressing plate 6 in the process of pressing down is improved, the balls 18 reduce the friction, the pressing down efficiency of the pressing plate 6 is improved, move in support column 1 through bracing piece 3, adjust the height of clamp plate 6, adjust to appointed height, rotate fixed handle 14 and drive dead lever 15 and rotate, the threaded connection effect between dead lever 15 and the support column 1 makes dead lever 15 remove in support column 1 and promotes fixed plate 16 and realize fixing bracing piece 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fixture that bumper atress intensity check out test set used, includes base (7), its characterized in that: the upper end of the base (7) is symmetrically fixed with two support columns (1), two hollow grooves (2) are arranged in the two support columns (1), anti-falling blocks (19) are arranged in the hollow grooves (2), the upper ends of the anti-falling blocks (19) are fixedly connected with support rods (3), a fixing mechanism is arranged between the support rods (3) and the support columns (1), the upper ends of the support rods (3) extend out of the hollow grooves and are fixedly connected with object placing plates (5), the lower ends of the object placing plates (5) are fixedly connected with air cylinders (4), the telescopic ends of the air cylinders (4) are fixedly connected with pressing plates (6), two side walls opposite to the support columns (1) are respectively provided with sliding grooves (11), sliding rods (13) are fixedly connected in the sliding grooves (11), the pressing plates (6) are sleeved on the sliding rods (13), and the pressing plates (6) are connected with the sliding rods (13), two clamping plates (9) are symmetrically and fixedly connected to the base (7), and limiting mechanisms are arranged on the clamping plates (9).

2. The clamping mechanism for the device for detecting the stress intensity of the bumper according to claim 1, wherein: stop gear includes centre gripping cover (20), the one end and grip block (9) fixed connection of centre gripping cover (20), the other end of centre gripping cover (20) is equipped with the centre gripping groove, the centre gripping inslot is equipped with sliding connection has supporting rod (21), be equipped with on the lateral wall of centre gripping cover (20) with supporting rod (21) are fixed at its inside locking screw (10), supporting rod (21) extend the one end fixedly connected with grip block (22) in centre gripping groove.

3. The clamping mechanism for the device for detecting the stress intensity of the bumper according to claim 1, wherein: the fixing mechanism comprises a fixing rod (15), one end of the fixing rod (15) is fixedly connected with a fixing handle (14), the other end of the fixing rod (15) is fixedly connected with a fixing plate (16), the fixing plate (16) is abutted to the supporting rod (3), and the fixing rod (15) is in threaded connection with the supporting column (1).

4. The clamping mechanism for the device for detecting the stress intensity of the bumper according to claim 1, wherein: the side wall of the pressing plate (6) is provided with a groove, a ball (18) is arranged in the groove, and the ball (18) is abutted to the inner side wall of the sliding groove (11).

5. The clamping mechanism for the device for detecting the stress intensity of the bumper according to claim 1, wherein: the sliding rod (13) is sleeved with a spring (12), the spring (12) is located at the lower end of the pressing plate (6), and two ends of the spring (12) are respectively abutted to the side wall of the inner bottom end of the sliding groove (11) and the side wall of the lower end of the pressing plate (6).

6. The clamping mechanism for the device for detecting the stress intensity of the bumper according to claim 1, wherein: the lower end of the base (7) is fixedly connected with a bottom pad (8).