CN210293597U

CN210293597U - Adjustable wallboard vibration impact test anchor clamps

Info

Publication number: CN210293597U
Application number: CN201921553475.8U
Authority: CN
Inventors: 林山; 王和; 陈国一; 杜一鸣
Original assignee: Beijing Institute of Structure and Environment Engineering; Tianjin Aerospace Ruilai Technology Co Ltd
Current assignee: Beijing Institute of Structure and Environment Engineering; Tianjin Aerospace Ruilai Technology Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-04-10
Anticipated expiration: 2029-09-18

Abstract

The utility model provides an adjustable wallboard vibration impact test anchor clamps, includes anchor clamps main part, first adjustable connector, the adjustable connector of second, installation face, fastener, the anchor clamps main part comprises chassis, side bearer, crossbeam, stiffener, the chassis is the rectangle structure, the side bearer symmetry sets up in the chassis both sides, the crossbeam sets up between both sides frame and its tip is fixed with both sides frame respectively, be equipped with the stiffener between crossbeam and the chassis, be equipped with first adjustable connector on the crossbeam, the chassis both sides are equipped with the adjustable connector of second respectively, and first adjustable connector and the adjustable connector of second pass through fastener and anchor clamps main part fixed connection respectively, be equipped with the installation face between the adjustable connector of second. The utility model has the advantages that: the fixed demand of carrying out the vibration impact test to wallboard of arbitrary size can be satisfied, valuable test time and test cost are practiced thrift, have improved the quality of vibration impact test, are favorable to using widely, have the important production practice meaning.

Description

Adjustable wallboard vibration impact test anchor clamps

Technical Field

The utility model relates to a vibration test technical field especially relates to an adjustable wallboard vibration impact test anchor clamps.

Background

At present, in the process of running of rail vehicles such as trains, products such as equipment and fasteners installed on the rail vehicles such as trains can cause random vibration excitation along with the acceleration of the whole train due to the friction resistance and the operation of an engine, so that a large amount of equipment and fasteners on the rail vehicles need to be subjected to vibration impact tests to check the structural fatigue strength of the equipment, namely whether the equipment can be subjected to fatigue failure or damage due to the simulated actual use environment.

In order to meet the requirement of a product on vibration impact in a laboratory, a technician usually designs a corresponding clamp to complete a test, fixes a test product on an existing vibration impact test bed through the clamp, and operates the vibration impact test bed to simulate the environment of vibration impact.

However, in the prior art, the vibration impact clamp for clamping the test product has a large demand, and different clamps need to be correspondingly designed according to the shape, size, strength and the like of different test products, so that when the vibration impact test of a combined product consisting of a plurality of parts is performed, a plurality of clamps need to be designed to realize the vibration impact test of all the parts, and thus, a large amount of manpower, material resources, financial resources and time are required, and the vibration test cost is remarkably increased.

In addition, the plurality of test jigs are liable to have different manufacturing qualities, resulting in an increase in error in the vibration and impact data finally obtained.

It should be noted that if the product is damaged only due to the vibration test, the related personnel can perform subsequent improvement on the product, which is one of the purposes of the vibration impact test, but if the different clamps are replaced for multiple times to perform the vibration impact test on different parts included in one combined product, the related personnel may misjudge the damage of the product and then perform the improvement, which undoubtedly wastes a lot of time, money and resources; and the test needs to be reset to zero and re-tested, thereby greatly increasing the test cost.

Therefore, there is an urgent need to develop a fixture, which can effectively connect and fix a plurality of different parts included in one combined product, thereby satisfying the fixing requirement of simultaneously performing a vibration test on a plurality of parts included in the same combined product, so as to save precious test time and test cost and improve the quality of the vibration impact test.

Disclosure of Invention

According to the technical problem, the utility model provides an adjustable wallboard vibration impact test anchor clamps, including anchor clamps main part, first adjustable connector, second adjustable connector, installation face, fastener, the anchor clamps main part comprises chassis, side bearer, crossbeam, stiffener, the chassis is the rectangle structure, the side bearer symmetry sets up in the chassis both sides, the crossbeam sets up between both sides frame and its tip respectively with both sides frame fixed connection, be equipped with the stiffener between crossbeam and the chassis, be equipped with first adjustable connector on the crossbeam, the chassis both sides are equipped with second adjustable connector respectively, first adjustable connector and second adjustable connector are respectively through fastener and anchor clamps main part fixed connection, be equipped with the installation face between the second adjustable connector.

Further, the underframe is of an I-shaped steel structure with the thickness of 50mm multiplied by 50 mm.

Furthermore, the side frames, the cross beams and the reinforcing rods are of a square steel structure with the size of 50mm multiplied by 50 mm.

Further, the side frame is of a V-shaped structure.

Furthermore, the first adjustable connecting piece and the second adjustable connecting piece are flat plates with triangular sections respectively.

Further, the fastener is a bolt and nut assembly.

The utility model has the advantages that: the utility model relates to an adjustable wallboard vibration impact test anchor clamps, 50 mm's square steel and I-steel welding are adopted to the anchor clamps main part, both can guarantee the transmission of vibrating force, the weight of the not anchor clamps that alleviate that also can try best, through changing the first adjustable connector of different specifications size, the second adjustable connector, can be effectively fixed to arbitrary big or small wallboard connection, thereby satisfy the fixed demand that arbitrary big or small wallboard carries out the vibration impact test, practice thrift valuable test time and test cost, the quality of vibration impact test has been improved, be favorable to using widely, it is significant to have the production practice.

Drawings

Fig. 1 is a main structure diagram of the present invention.

As shown in the figure, the clamp comprises a clamp body-1, a base frame-11, a side frame-12, a cross beam-13, a reinforcing rod-14, a first adjustable connecting piece-2, a second adjustable connecting piece-3, a mounting surface-4 and a fastener-5.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1:

the utility model relates to an adjustable wallboard vibration impact test fixture, which comprises a fixture main body 1, a first adjustable connecting piece 2, a second adjustable connecting piece 3, a mounting surface 4 and a fastener 5, the clamp body 1 is composed of an underframe 11, side frames 12, cross beams 13 and reinforcing rods 14, the underframe 11 is of a rectangular structure, the side frames 12 are symmetrically arranged at two sides of the underframe 11, the cross beam 13 is arranged between the two side frames 12, the end parts of the cross beam are respectively fixedly connected with the two side frames 12, a reinforcing rod 14 is arranged between the cross beam 13 and the underframe 11, a first adjustable connecting piece 2 is arranged on the cross beam 13, the adjustable clamp is characterized in that second adjustable connecting pieces 3 are respectively arranged on two sides of the underframe 11, the first adjustable connecting pieces 2 and the second adjustable connecting pieces 3 are respectively fixedly connected with the clamp main body 1 through fasteners 5, and mounting surfaces 4 are arranged between the second adjustable connecting pieces 3.

Further, the base frame 11 is of an I-shaped steel structure with the thickness of 50mm multiplied by 50 mm.

Further, the side frames 12, the cross member 13 and the reinforcing bars 14 are of a square steel structure of 50mm × 50 mm.

Further, the side frame 12 has a V-shaped structure.

Further, the first adjustable connecting piece 2 and the second adjustable connecting piece 3 are respectively flat plates with triangular sections.

Further, the fastener 5 is a bolt and nut assembly.

Example 2:

the chassis 11 of the clamp main body 1 is a mounting surface 4 of the clamp and is used for connecting a vibration table surface of an external vibration impact test bed, the first adjustable connecting piece 2 and the second adjustable connecting piece 3 are fixedly mounted on the clamp main body 1 through a fastening piece 5, and in particular, the fastening piece 5 is a bolt and nut assembly and can also be other structures capable of realizing quick fixation;

the product is fixedly connected with the first adjustable connecting piece 2 and the second adjustable connecting piece 3 to carry out a vibration impact test, in particular, the first adjustable connecting piece 2 and the second adjustable connecting piece 3 are replaceable adaptor pieces, the connecting pieces are replaced by loosening and screwing the fastening piece 5, and the connector is designed to be a replaceable connecting piece, so that when test pieces with different specifications and models in similar products are carried out, the connecting pieces can be replaced, the clamp main body 1 does not need to be replaced, the cost is saved, the efficiency is high, and the uniformity of the test quality is improved;

the mesa of outside vibration impact test platform and being connected of anchor clamps main part 1 are through a plurality of with the mesa mounting hole assorted mounting screw of vibration impact test platform, after the test of a direction is accomplished, can obtain the data of each different position part of test piece, in addition, right the utility model discloses, only need dismantle with the vibration impact test platform mesa be connected the screw can, overturn anchor clamps main part 1 again, screw up as above the screw, accomplished the task of changing the direction promptly, simple high-efficient.

It should be noted that, for the utility model discloses, 50 mm's square steel and I-steel welding are adopted to anchor clamps main part 1, both can guarantee the transmission of vibrating force, also can be as far as possible alleviate the weight of anchor clamps main part 1.

In particular, the vibration and impact test bed may be any one of the existing test beds capable of performing a vibration and impact test on a fixture.

It should be noted that, in the experiment that uses the utility model discloses an anchor clamps to go on, the vibration impact platform that uses is the electronic shaking table of digital, specifically uses the model to be: MPA3324/H1248A, the clamp can be matched with any existing test stand capable of performing vibration impact test through the mounting surface 4 of the clamp.

It should be noted that, the utility model provides a test fixture mainly used rail transit is last high-speed railway wallboard vibration impact test.

It should be noted that, for prior art, because the utility model discloses an adjustable connector 2, adjustable connector 3 of second are all adjustable, through changing the connecting piece of different specifications size, can carry out the installation and the experiment of multiple product to the vibration response of each position of many parts combination test piece is accurately obtained to cooperation vibration impact test platform high efficiency, thereby great saving test time and expense, improved work efficiency and data acquisition's accuracy. The utility model provides a vibration anchor clamps's vibration power transmission is reasonable, has improved vibration test's quality, can effectively solve current vibration impact test's experimental cost height, consuming time, anchor clamps are difficult to unified problem.

To sum up, compare with prior art, the utility model provides a pair of adjustable wallboard vibration impact test anchor clamps, it can be connected fixedly to arbitrary big or small wallboard effectively to satisfy the fixed demand that carries out vibration test to arbitrary big or small wallboard, practice thrift valuable test time and test cost, improved vibration impact test's quality, be favorable to using widely, have the production practice meaning of great importance.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable wallboard vibration impact test anchor clamps, its characterized in that, includes anchor clamps main part, first adjustable connecting piece, second adjustable connecting piece, installation face, fastener, the anchor clamps main part comprises chassis, side bearer, crossbeam, stiffener, the chassis is the rectangle structure, the side bearer symmetry sets up in the chassis both sides, the crossbeam sets up between both sides frame and its tip respectively with both sides frame fixed connection, be equipped with the stiffener between crossbeam and the chassis, be equipped with first adjustable connecting piece on the crossbeam, the chassis both sides are equipped with second adjustable connecting piece respectively, first adjustable connecting piece and second adjustable connecting piece are respectively through fastener and anchor clamps main part fixed connection, be equipped with the installation face between the second adjustable connecting piece.

2. The adjustable wallboard vibratory shock test fixture of claim 1, wherein the base frame is a 50mm x 50mm i-steel structure.

3. The adjustable wallboard vibratory impact test fixture of claim 1, wherein the side frames, cross beams and reinforcing bars are of a 50mm x 50mm square steel construction.

4. The adjustable wallboard vibratory shock test fixture of claim 1, wherein the side frame is of a V-shaped configuration.

5. The adjustable wallboard vibration and impact test fixture of claim 1, wherein the first adjustable connector and the second adjustable connector are flat plates with triangular cross-sections respectively.

6. The adjustable wallboard vibration shock test fixture of claim 1, wherein the fastener is a bolt and nut assembly.