CN215812338U

CN215812338U - Air spring shrouding pulls out test fixture

Info

Publication number: CN215812338U
Application number: CN202121415016.0U
Authority: CN
Inventors: 麦荣通; 李国全; 庞滔
Original assignee: Guangdong Yikangtong Air Spring Co ltd
Current assignee: Guangdong Yikangtong Air Spring Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-02-11
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to the technical field of auxiliary devices for detecting the quality of an air spring air bag, in particular to a pull-out test fixture for an air spring sealing plate, which can clamp and release a leather bag through cylinder adjustment, is suitable for the leather bag with different sizes and can independently finish the installation of the fixture and the detection of the quality of the leather bag by one person, compared with the existing detection mode; including main shaft connecting piece, main shaft connecting piece is connected with outer ironware, the middle part of outer ironware is provided with the through-hole that is the back taper, the cylinder is installed to the through-hole inner wall, the ejector pin is installed to the output of cylinder, the other end of ejector pin has the connecting block that is the shape of falling I through second hexagon socket head cap screw connection, through-hole inner wall slidable mounting has two movable clamp splice, two equal blocks of movable clamp splice are at the middle part of connecting block, the exposed core of movable clamp splice is wavy, install the crash pad on the cylinder.

Description

Air spring shrouding pulls out test fixture

Technical Field

The utility model relates to the technical field of auxiliary devices for detecting the quality of an air spring air bag, in particular to a pull-out test fixture for an air spring seal plate.

Background

Along with the continuous rise of living standard of people, the application of the air spring in China is more and more extensive. Air springs are used in large quantities in various vehicles, industrial equipment, high-speed rails, and the like. Therefore, the safety of the air spring greatly influences the normal use of the air spring, and whether the leather bag is firmly adhered to the sealing plate or not influences the use safety of the air spring to a great extent in the aspect of the quality safety of the air spring. Therefore, the inspection of the air spring leather bag is an essential important link.

In the existing detection equipment and tooling, the tooling is mainly specially customized for specific products, and the tooling and the fixture need to be frequently replaced in actual detection due to different overall dimensions of the air spring bellows, so that the application range is small. In the sealing plate pull-off inspection process, not only can the quality of the leather bag be detected by cooperation of a plurality of persons and time and labor waste. When no special tool or unreasonable tool is available, the quality of the leather bag cannot be checked in time, and the checking efficiency is affected greatly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a pull-out test fixture for an air spring sealing plate, which can clamp and release a leather bag through cylinder adjustment, is suitable for leather bags with different sizes, and can independently complete the installation of the fixture and the detection of the quality of the leather bag by one person, compared with the existing detection mode.

The utility model discloses an air spring sealing plate pull-off test fixture which comprises a main shaft connecting piece, wherein the main shaft connecting piece is connected with an outer iron piece, the middle part of the outer iron piece is provided with a through hole in an inverted cone shape, the inner wall of the through hole is provided with an air cylinder, the output end of the air cylinder is provided with a push rod, the other end of the push rod is connected with a connecting block in an inverted I shape through a second inner hexagonal screw, the inner wall of the through hole is slidably provided with two movable clamping blocks, the two movable clamping blocks are clamped in the middle part of the connecting block, the clamping ends of the movable clamping blocks are wavy, and an anti-collision pad is arranged on the air cylinder.

Furthermore, the front side and the rear side of the outer iron piece are respectively provided with a limiting clamp used for limiting the movable clamping block.

Further, the spindle connecting piece and the outer iron piece are connected through a screw.

Further, the cylinder is fixed in the through-hole through first hexagon socket head cap screw.

Further, the ejector pins are divided into two groups.

Compared with the prior art, the utility model has the beneficial effects that: the clamp has small volume, stable clamping, convenient use, simple structure and easy installation;

the clamp can adapt to the leather bags with various sizes, does not need to frequently replace the tool, and saves time and labor;

the clamp is controlled by the cylinder, the reaction speed is high, the repeatability and the test are high, the operation time is short, and the test efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inspection operation of the jig of the present invention;

in the drawings, the reference numbers: 1. a spindle attachment; 2. a screw; 3. an outer iron member; 4. a cylinder; 5. a top rod; 6. connecting blocks; 7. a movable clamping block; 8. a limiting clamp; 9. a first hexagonal socket head cap screw; 10. an anti-collision pad; 11. a second hexagonal socket head cap screw; 12. fixing screws; 13. a fixed base; 14. cushion blocks; 15. a screw rod; 16. closing the plate; 17. a leather bag.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 2, the pull-out test fixture for the air spring sealing plate comprises a main shaft connecting piece 1, wherein the main shaft connecting piece 1 is connected with an outer iron piece 3, the middle part of the outer iron piece 3 is provided with an inverted-cone-shaped through hole, the inner wall of the through hole is provided with an air cylinder 4, the output end of the air cylinder 4 is provided with an ejector rod 5, the other end of the ejector rod 5 is connected with an inverted-i-shaped connecting block 6 through a second inner hexagonal screw 11, the inner wall of the through hole is slidably provided with two movable clamping blocks 7, the two movable clamping blocks 7 are clamped in the middle part of the connecting block 6, the clamping ends of the movable clamping blocks 7 are wavy, and an anti-collision pad 10 is arranged on the air cylinder 4.

In this embodiment, the main steps in the test are as follows:

(1) the top opening of the main shaft connecting piece 1 is connected with the round steel, and the device is arranged on a main shaft of a tensile testing machine;

(2) fixing a fixed base 13 on a test platform through a fixing screw 12, and placing an air spring leather bag 17;

(3) the lower end sealing plate 16 of the air spring leather bag 17 is fixed through the connection of the cushion block 14 and the screw rod 15;

(4) the cylinder 4 is controlled, the ejector rod 5 is pushed out, the connecting block 6 and the two movable clamping blocks 7 are moved downwards, and the through holes are inverted-cone-shaped, so that the two movable clamping blocks 7 are close to each other while moving downwards, and the upper ends of the air spring bellows 17 are clamped and fixed by the wavy clamping ends of the two movable clamping blocks 7;

(5) after a test program is set, a start button of a tensile machine tester is pressed to carry out pull-off test on the sealing plate 16;

(6) after the test is finished, the air cylinder 4 is controlled to reset the ejector rod 5, the movable clamping block 7 is loosened, the air spring leather bag 17 is taken down, the air cylinder 4 is prevented from being damaged through the arranged anti-collision pad 10, and then an air source is disconnected.

As a preferable scheme of the above embodiment, the front and rear sides of the outer iron piece 3 are both provided with the limiting clamps 8 for limiting the movable clamping blocks 7.

In this embodiment, the movable clamp 7 is prevented from moving forward and backward by the stopper clamp 8.

As a preferable aspect of the above embodiment, the spindle attachment 1 and the outer iron 3 are coupled by the screw 2.

In this embodiment, the spindle connecting part 1 and the outer iron part 3 are connected by the screw rod 2, which is more convenient for the disassembly and assembly of the spindle connecting part and the outer iron part.

As a preferable aspect of the above embodiment, the cylinder 4 is fixed inside the through hole by a first hexagon socket head cap screw 9.

In this embodiment, the cylinder 4 is fixed in the through hole through the first hexagon socket head cap screw 9, and is more convenient to fix the cylinder 4.

As a preferable mode of the above embodiment, the push rods 5 are provided in two sets.

In this embodiment, the two sets of rods 5 are provided to make the movement of the connecting block 6 uniform.

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

Claims

1. The utility model provides an air spring shrouding pulls off test fixture, a serial communication port, including main shaft connecting piece (1), main shaft connecting piece (1) is connected with outer ironware (3), the middle part of outer ironware (3) is provided with the through-hole that is the back taper, cylinder (4) are installed to the through-hole inner wall, ejector pin (5) are installed to the output of cylinder (4), the other end of ejector pin (5) is connected with connecting block (6) that are the type of falling I through second hexagon socket head cap screw (11), through-hole inner wall slidable mounting has two movable clamp splice (7), the equal block of two movable clamp splice (7) is at the middle part of connecting block (6), the exposed core of movable clamp splice (7) is wavy, install crashproof pad (10) on cylinder (4).

2. The pull-off test fixture for the air spring sealing plate (16) as claimed in claim 1, wherein the front side and the rear side of the outer iron piece (3) are respectively provided with a limiting clamp (8) for limiting the movable clamping block (7).

3. The air spring seal plate (16) pull-off test fixture of claim 2, wherein the spindle connector (1) and the outer iron member (3) are connected by a screw (2).

4. An air spring sealing plate (16) pull-off test fixture as claimed in claim 3, wherein the air cylinder (4) is fixed inside the through hole by a first hexagon socket head cap screw (9).

5. An air spring sealing plate (16) pull-off test fixture as claimed in claim 4, wherein the ejector rods (5) are two groups.