CN214472345U

CN214472345U - Car hasp tensile test device based on mathematical simulation

Info

Publication number: CN214472345U
Application number: CN202120463274.XU
Authority: CN
Inventors: 尧青阳; 袁晓云; 谢小娟
Original assignee: Jiangxi Modern Polytechnic College
Current assignee: Jiangxi Modern Polytechnic College
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-10-22
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses an automobile lock catch tension testing device based on mathematical simulation, which relates to the technical field of automobile performance detection, and comprises a base, wherein a clamping fixing component and a testing component are arranged on the base, the clamping fixing component comprises a clamping seat and a cover plate, a cavity for accommodating a lock catch clamping seat is arranged between the clamping seat and a spring buckle, the testing component comprises a connecting support, a connecting block and a fixed rod, the fixed rod is provided with a placing groove for fixing the lock catch close to the bottom surface of the end of the clamping seat, the fixed rod is far away from the end of the clamping seat and is embedded in a T-shaped hole formed in the connecting block, the side surfaces of the connecting block close to the top and bottom ends of the end of the fixed rod are provided with inclined surfaces, the connecting block is accommodated in a groove formed in the connecting support, and a sensor for pressure collection is arranged on the connecting support, simultaneously, be connected through the block between hasp and the test component, improved coupling assembling's stability and intensity.

Description

Car hasp tensile test device based on mathematical simulation

Technical Field

The utility model belongs to the technical field of car performance detects, concretely relates to car hasp tensile test device based on mathematical simulation.

Background

The automobile lock catch mainly refers to a ground lock catch used for an automobile door lock, a trunk lid lock catch and a safety belt, the strength of the lock catch is also an important component in the overall safety characteristic of an automobile, for example, the lock catch of the safety belt, if the strength of the lock catch is low, when an automobile is in a collision accident, the safety belt is difficult to protect, and therefore, a tension test aiming at the automobile lock catch is the basis for ensuring the quality of the automobile.

Mathematical simulation is more and more extensive in automobile parts intensity detects, through mathematical modeling, carries out motion simulation and atress analysis, optimizes the structure of part, has perfected automobile optimization's procedure, has improved work efficiency, and current car pulling force detection device lacks data collection device, and the structure is complicated, and the connection stability between the part is relatively poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide an automobile lock catch tensile test device based on mathematical simulation to solve the problem that provides among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme: an automobile lock catch tension testing device based on mathematical simulation comprises a base, wherein a clamping fixing assembly and a testing assembly are arranged on the base, the clamping fixing assembly comprises a clamping seat and a cover plate, the clamping seat is fixedly connected with the base, the cover plate is arranged above the clamping seat, a cavity for accommodating a lock catch clamping seat is arranged between the clamping seat and a spring buckle, one side of the bottom end of the cover plate is hinged with the clamping seat, the other end of the cover plate is provided with the spring buckle, the bottom end of the spring buckle is fixedly connected with the clamping seat, and the top end of the spring buckle is clamped at the edge end, far away from the hinged end, of the cover plate;

the testing assembly comprises a connecting support, a connecting block and a fixing rod, wherein the fixing rod is of a T-shaped structure, a placing groove for fixing a lock catch is formed in the bottom surface of the fixing rod close to the end of the clamping seat, the end of the fixing rod far away from the clamping seat is embedded into a T-shaped hole formed in the connecting block, the side surfaces of the two ends, close to the top and the bottom of the end of the fixing rod, of the connecting block are inclined planes, the connecting block is accommodated in a groove formed in the connecting support, the connecting block is connected with the connecting support in a sliding mode, and the bottom end of the connecting support is connected with the base in a sliding mode; the connecting support is far away from the fixed rod end and is provided with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with a fixed block arranged on the base, the connecting support is fixedly connected with a piston rod of the hydraulic cylinder, and a sensor used for pressure acquisition is arranged between the fixed block and the connecting support.

According to a further scheme of the invention, a T-shaped block is arranged on the side face, close to the connecting support, of the connecting block, a first T-shaped sliding groove for accommodating the T-shaped block is formed in the groove, a rectangular groove for mounting the connecting block is formed in the end, far away from the fixed rod, of the first T-shaped sliding groove, and the T-shaped block is in sliding connection with the first T-shaped sliding groove.

As a further scheme of the invention, a second spring is arranged at the end, far away from the fixed rod, of the connecting block, one end of the second spring is fixedly connected with the connecting block, and the other end of the second spring is fixedly connected with the connecting support.

According to a further scheme of the invention, a limiting plate is arranged on the side, away from the connecting support, of the connecting block, the top end and the bottom end of the limiting plate are accommodated in a limiting groove formed in the connecting support, and the limiting plate is connected with the limiting groove in a sliding manner.

According to a further scheme of the invention, a limiting rod is arranged at the bottom end of the fixing rod, the limiting rod is accommodated in a second T-shaped groove formed in the bottom surface of the fixing rod, the limiting rod is connected with the second T-shaped groove in a sliding mode, a first spring is arranged at the end, far away from the placing groove, of the limiting rod, and the first spring is arranged between the limiting rod and the side wall of the second T-shaped groove.

As a further scheme of the invention, the base is provided with a protective cover, and one end of the protective cover is hinged with the base.

The utility model has the advantages that: the utility model discloses a tensile test device can detect and collect real-time data, has guaranteed the accuracy of data, simultaneously, is connected through the block between hasp and the test component, has improved coupling assembling's stability and intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the overall structure of the present invention;

FIG. 2 is a schematic view of the retractor assembly of the present invention

Fig. 3 is a schematic structural view of the fixing base of the present invention;

fig. 4 is a schematic structural diagram of the connecting block of the present invention;

in the figure: the device comprises a base-1, a hydraulic cylinder-2, a protective cover-3, a fixing block-4, a connecting support-5, a limiting plate-6, a connecting block-7, a fixing rod-8, a clamping seat-9, a spring buckle-10, a cover plate-11, a first spring-12, a limiting rod-13, a second spring-14, a groove-51, a first T-shaped sliding groove-52, a rectangular groove-53, a limiting groove-54, a T-shaped block-71, a T-shaped hole-72, a placing groove-81 and a second T-shaped groove-82.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, an automobile latch tension testing apparatus based on mathematical simulation includes a base 1, a clamping fixing component and a testing component are disposed on the base 1, the clamping fixing component includes a clamping seat 9 and a cover plate 11, the clamping seat 9 is fixedly connected with the base 1, the cover plate 11 is disposed above the clamping seat 9, a cavity for accommodating a latch clamping seat is disposed between the clamping seat 9 and a spring buckle 10, one side of the bottom end of the cover plate 11 is hinged to the clamping seat 9, the other end of the cover plate 11 is provided with the spring buckle 10, the bottom end of the spring buckle 10 is fixedly connected with the clamping seat 9, and the top end of the spring buckle 10 is clamped on the edge end of the cover plate 11 far away from the hinged end;

the testing assembly comprises a connecting support 5, a connecting block 7 and a fixing rod 8, wherein the fixing rod 8 is of a T-shaped structure, a placing groove 81 of a fixing lock catch is formed in the bottom surface of the end, close to the clamping seat 9, of the fixing rod 8, the end, far away from the clamping seat 9, of the fixing rod 8 is embedded into a T-shaped hole 72 formed in the connecting block 7, the side surfaces of the top and bottom ends, close to the end of the fixing rod 8, of the connecting block 7 are formed into inclined surfaces, the connecting block 7 is contained in a groove 51 formed in the connecting support 5, the connecting block 7 is connected with the connecting support 5 in a sliding mode, and the bottom end of the connecting support 5 is connected with the base 1 in a sliding mode; the end, far away from the dead lever 8, of the connecting support 5 is provided with a hydraulic cylinder 2, the hydraulic cylinder 2 is fixedly connected with a fixed block 101 arranged on the base 1, the connecting support 5 is fixedly connected with a piston rod of the hydraulic cylinder 2, and a sensor 4 used for pressure acquisition is arranged between the fixed block 101 and the connecting support 5.

When the tension test of the automobile lock catch is carried out, a base clamped and connected with the automobile lock catch is placed in a cavity between a clamping seat 9 and a cover plate 11, the clamping seat 9 and the cover plate 11 are clamped and fixed, the cover plate 11 can be turned over during installation so as to be convenient to install, after the installation is finished, the cover plate 11 is covered with the clamping seat 9, meanwhile, a spring buckle 10 is pulled to enable the spring buckle 10 to press and fix the cover plate 11 and the clamping seat 9, then the lock catch is inserted into a clamping seat to be clamped and connected, the other end of the lock catch is clamped and connected in a placing groove 81 of a fixed rod 8, a hydraulic cylinder 2 is started to drive a piston rod in the hydraulic cylinder 2 to move leftwards, further leftward tension is provided for a connecting support 5, the tension test is carried out, two ends of a connecting block 7 are extruded in an inclined plane in a groove 51, so that the fixed rod 8 is not easy to separate from the placing groove 81, and the connection stability between the fixed rod 8 and the connecting block 7 is improved, pressure detection and collection are carried out through the sensor 4 arranged between the fixed block 101 and the connecting support 5, a tension test model is established through mathematical simulation software, the acquired data are used for carrying out real-time comparison on the data of mathematical simulation, the relation between the hydraulic motion of the monitoring hydraulic cylinder 2 and tension is verified, a curve model in the tension test is established for analysis of the tension test, the integrity of the tension test system is further perfected, the efficiency and the quality of the tension detection are improved, the quality guarantee of automobile lock catch components is further improved, and the quality of an automobile is improved.

Preferably, a T-shaped block 71 is arranged on the side face, close to the connecting support 5, of the connecting block 7, a first T-shaped sliding groove 52 for accommodating the T-shaped block 71 is formed in the groove 51, a rectangular groove 53 for installing the connecting block 7 is formed in the end, far away from the fixing rod 8, of the first T-shaped sliding groove 52, the T-shaped block 71 is slidably connected with the first T-shaped sliding groove 52, during installation, the T-shaped block 71 of the connecting block 7 is embedded into the first T-shaped sliding groove 52 in a clamping manner from the rectangular groove 53, and the stability of connection between the connecting block 7 and the connecting support 5 is improved.

Preferably, connecting block 7 is kept away from dead lever 8 end and is equipped with second spring 14, second spring 14 one end and connecting block 7 fixed connection, the second spring 14 other end and connection support 5 fixed connection, second spring 14 plays the cushioning effect, when carrying out the tensile test, because can carry out destructive test, and when carrying out the tensile limit test to the hasp, the hasp can break off, consequently can have the impact between connecting block 7 and the connection support 5, carry out the cushioning effect through set up second spring 14 between connecting block 7 and connection support 5, has improved life.

Preferably, the connecting block 7 is provided with a limiting plate 6 at the side far away from the connecting support 5, the top bottom end of the limiting plate 6 is accommodated in a limiting groove 54 formed in the connecting support 5, the limiting plate 6 is slidably connected with the limiting groove 54, and the limiting plate 6 is used for limiting the connecting block 7 and releasing the hi from the connecting block 7.

Preferably, 8 bottom ends of the fixing rods are provided with limiting rods 13, the limiting rods 13 are accommodated in the second T-shaped groove 82 formed in the bottom surface of the fixing rods 8, the limiting rods 13 are connected with the second T-shaped groove 82 in a sliding mode, the end, away from the placing groove 81, of the limiting rods 13 is provided with first springs 12, the first springs 12 are arranged between the side walls of the limiting rods 13 and the second T-shaped groove 82, the limiting rods 13 seal the lower openings of the placing groove 81 under the elastic force action of the first springs 12, and therefore the lock catches are prevented from falling off.

Preferably, be equipped with protection casing 3 on the

base

1, 3 one end of protection casing is articulated with base 1, and protection casing 3 plays the guard action, protects base 1 ground part on the one hand, and on the other hand prevents that the hasp from pulling apart and bursting out when testing, accidentally injures the staff.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. Therefore, the present invention should be considered as illustrative and not restrictive in any sense, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and the preferred embodiments of the present invention are not intended to be limiting of the invention, and all changes, equivalents, modifications, etc. that come within the spirit and scope of the invention are intended to be embraced therein.

Claims

1. The automobile lock catch tension testing device based on mathematical simulation comprises a base (1) and is characterized in that a clamping fixing assembly and a testing assembly are arranged on the base (1), the clamping fixing assembly comprises a clamping seat (9) and a cover plate (11), the clamping seat (9) is fixedly connected with the base (1), the cover plate (11) is arranged above the clamping seat (9), a cavity for accommodating a lock catch clamping seat is formed between the clamping seat (9) and a spring buckle (10), one side of the bottom end of the cover plate (11) is hinged to the clamping seat (9), the other end of the cover plate (11) is provided with the spring buckle (10), the bottom end of the spring buckle (10) is fixedly connected with the clamping seat (9), and the top end of the spring buckle (10) is clamped at the edge end, far away from the hinged end, of the cover plate (11);

the testing assembly comprises a connecting support (5), a connecting block (7) and a fixing rod (8), the fixing rod (8) is of a T-shaped structure, a placing groove (81) for fixing a lock catch is formed in the bottom surface of the end, close to a clamping seat (9), of the fixing rod (8), the end, far away from the clamping seat (9), of the fixing rod (8) is embedded into a T-shaped hole (72) formed in the connecting block (7), the side surfaces, close to the top and bottom ends of the end of the fixing rod (8), of the connecting block (7) are formed into inclined surfaces, the connecting block (7) is contained in a groove (51) formed in the connecting support (5), the connecting block (7) is connected with the connecting support (5) in a sliding mode, and the bottom end of the connecting support (5) is connected with a base (1) in a sliding mode; the connecting support (5) is far away from the end of the fixing rod (8) and is provided with a hydraulic cylinder (2), the hydraulic cylinder (2) is fixedly connected with a fixing block (101) arranged on the base (1), the connecting support (5) is fixedly connected with a piston rod of the hydraulic cylinder (2), and a sensor (4) used for pressure acquisition is arranged between the fixing block (101) and the connecting support (5).

2. The automobile lock catch tension testing device based on mathematical simulation as claimed in claim 1, wherein a T-shaped block (71) is arranged on the side of the connecting block (7) close to the connecting support (5), a first T-shaped sliding groove (52) for accommodating the T-shaped block (71) is formed in the groove (51), a rectangular groove (53) for installing the connecting block (7) is formed in the end of the first T-shaped sliding groove (52) far away from the fixing rod (8), and the T-shaped block (71) is slidably connected with the first T-shaped sliding groove (52).

3. The automobile lock catch tension testing device based on mathematical simulation as claimed in claim 2, wherein a second spring (14) is arranged at the end of the connecting block (7) far away from the fixing rod (8), one end of the second spring (14) is fixedly connected with the connecting block (7), and the other end of the second spring (14) is fixedly connected with the connecting support (5).

4. The automobile lock catch tension testing device based on mathematical simulation as claimed in claim 3, characterized in that a limiting plate (6) is arranged on the side of the connecting block (7) far away from the connecting support (5), the top and bottom ends of the limiting plate (6) are accommodated in a limiting groove (54) formed in the connecting support (5), and the limiting plate (6) is connected with the limiting groove (54) in a sliding manner.

5. The automobile lock catch tension testing device based on mathematical simulation as claimed in claim 1, wherein a limiting rod (13) is disposed at a bottom end of the fixing rod (8), the limiting rod (13) is received in a second T-shaped groove (82) formed in a bottom surface of the fixing rod (8), the limiting rod (13) is slidably connected with the second T-shaped groove (82), a first spring (12) is disposed at an end of the limiting rod (13) far away from the placement groove (81), and the first spring (12) is disposed between the limiting rod (13) and a side wall of the second T-shaped groove (82).

6. The automobile lock catch tension testing device based on mathematical simulation as claimed in claim 1, characterized in that a protective cover (3) is arranged on the base (1), and one end of the protective cover (3) is hinged with the base (1).