CN218726054U

CN218726054U - Flap lock strength test device

Info

Publication number: CN218726054U
Application number: CN202222586616.4U
Authority: CN
Inventors: 宋红梅; 唐铂; 魏攀; 边飞; 刘跃
Original assignee: Shaanxi Aircraft Industry Co Ltd
Current assignee: Shaanxi Aircraft Industry Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-24
Anticipated expiration: 2032-09-28

Abstract

The utility model belongs to the technical field of aviation standard component performance mechanics test, a flap lock strength test device is related to, including depression bar, bottom plate and clamp plate, bottom plate central authorities be provided with the rectangular groove that is used for installing the flap lock, the clamp plate setting on the flap lock to be connected with the bottom plate, with flap lock clamp fastening fixed, the depression bar is connected with the testing machine, and set up above flap lock locking arm, the utility model discloses its bottom plate middle part has adopted rectangular groove, makes flap lock body can control about, has guaranteed that flap lock atress is completely unanimous with test equipment application of force axis, makes the test result accurate and reliable; rectangular grooves are also adopted in the U-shaped mounting grooves on the left side and the right side of the bottom plate and the right side of the pressing plate, so that the positioning bolts are accurately mounted in mounting holes in the table board of the testing machine.

Description

Flap lock strength test device

Technical Field

The utility model belongs to the technical field of aviation standard component performance mechanics tests, a flap lock strength test device is related to.

Background

At present, the flap lock is applied to the connection of certain parts of an airplane, and a strength test is required according to HB 2-12-2002 flap lock, and the test type is a pressure test. Because the shape of the cover lock is complex and the stress requirement of the strength test is special, no reference method exists at present, and the method can be completed only by designing a test device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model aims to provide a: firstly, fixing the opening cover lock on a test device to complete the strength test; and secondly, the position of the flap lock can be adjusted at any time on the test device, so that the stress of the flap lock is kept consistent with the force application axis of the test equipment, and the test result is accurate and reliable.

The technical scheme is as follows:

the utility model provides a flap lock intensity test device, includes depression bar, bottom plate and clamp plate, bottom plate central authorities be provided with the rectangular groove that is used for installing the flap lock, the clamp plate setting lock at the flap, and with the bottom plate connect, with flap collet fastening fixed, the depression bar is connected with the testing machine to the setting is in flap locking arm top.

Furthermore, the bottom plate left and right sides edge be provided with the U-shaped mounting groove, clamp plate right side edge also is provided with the U-shaped mounting groove, the U-shaped mounting groove at bottom plate right side edge is the same with clamp plate right side edge U-shaped mounting groove quantity, the position one-to-one.

The testing machine further comprises a plurality of bolts, and the bolts penetrate through the U-shaped mounting groove in the edge of the left side of the bottom plate to mount the left side of the bottom plate on the table surface of the testing machine; the bolt passes through the U-shaped installation at the edge of the right side of the pressing plate and the U-shaped installation groove at the edge of the right side of the bottom plate, and the right side of the bottom plate of the pressing plate is installed on the table top of the testing machine.

Further, the width of the bottom plate is the same as that of the pressing plate.

Furthermore, flap lock bottom install in rectangular groove, and flap lock bottom length is less than rectangular groove length, the flap lock can remove about rectangular inslot.

Furthermore, the compression bar is made of steel, and the bottom plate and the compression plate are made of aluminum.

Has the beneficial effects that:

the utility model provides a mouth cap lock strength test device, the middle part of the bottom plate of which adopts a rectangular groove, so that the lock body of the mouth cap lock can move left and right, thereby ensuring that the stress of the mouth cap lock is completely consistent with the force application axis of test equipment, and ensuring that the test result is accurate and reliable; rectangular grooves are also adopted in the U-shaped mounting grooves on the left side and the right side of the bottom plate and the right side of the pressing plate, so that the positioning bolts are accurately mounted in mounting holes in the table board of the testing machine.

Drawings

FIG. 1 is a front view of a strength test of a flap lock;

FIG. 2 is a top view of a strength test of the flap lock;

FIG. 3 is a schematic view of a device for testing the strength of a flap lock;

FIG. 4 is a schematic view of the bottom plate profile;

FIG. 5 is a schematic view of the platen profile.

Wherein: 1. the cover locking device comprises a cover lock, 2 cover locking arms, 3 compression bars, 4 bottom plates and 5 pressure plates.

The specific implementation mode is as follows:

as shown in fig. 1-5, a mouth lid lock strength test device, includes depression bar 3, bottom plate 4 and

clamp plate

5, 4 central authorities of bottom plate be provided with the rectangular groove that is used for installing the mouth lid lock, clamp plate 5 set up on mouth lid lock 1 to with bottom plate 4 connect, with mouth lid lock 1 clamp tightly fixed, depression bar 3 is connected with the testing machine to the setting is in mouth lid lock 1 locking arm top.

In this embodiment, the bottom plate 4 left and right sides edge be provided with the U-shaped mounting groove, 5 right side edges of clamp plate also are provided with the U-shaped mounting groove, the U-shaped mounting groove at 4 right side edges of bottom plate is the same with 5 right side edges of clamp plate U-shaped mounting groove quantity, the position one-to-one.

In the embodiment, the testing machine also comprises a plurality of bolts, the bolts penetrate through the U-shaped mounting groove at the left edge of the bottom plate 4, and the left side of the bottom plate 4 is mounted on the table top of the testing machine; bolts pass through the U-shaped mounting at the right edge of the pressing plate 5 and the U-shaped mounting groove at the right edge of the bottom plate 4 to mount the right side of the pressing plate machine bottom plate 4 on the table top of the testing machine.

In the present embodiment, the bottom plate 4 and the pressing plate 5 have the same width.

In this embodiment, 1 bottom of flap lock install at rectangular groove, and 1 bottom length of flap lock is less than rectangular groove length, flap lock 1 can remove about rectangular inslot.

In this embodiment, the pressing rod 3 is made of steel, so as to ensure that the pressing rod 3 has sufficient mechanical strength and is not easy to deform, and the bottom plate 4 and the pressing plate 5 are made of aluminum, so that the pressing rod is easy to machine, light in weight and sufficient in strength.

Before the test, the bottom plate 4 is arranged on the table surface of the testing machine, the flap lock 1 is arranged on the bottom plate 4, the lower part of the flap lock is clamped in the rectangular groove in the middle of the bottom plate 4, and the pressing plate 5 is arranged on the flap lock 1. Then the bottom plate 4 is installed and positioned on the table top of the testing machine through the bolts, the two installation grooves on the left side of the bottom plate 4 and the installation holes on the table top of the testing machine; the superposed bottom plate 4, the superposed opening cover lock 1 and the superposed pressure plate 5 are installed and positioned on the table board of the testing machine through two installation grooves on the right sides of the bolt, the bottom plate 4 and the pressure plate 5 and an installation hole on the table board of the testing machine.

The compression bar 3 is clamped by a wedge-shaped clamping block of the testing machine, and the strength of the flap lock can be tested by applying a compression load to a locking arm of the flap lock 1.

Claims

1. The utility model provides a flap lock intensity test device, its characterized in that, includes depression bar, bottom plate and clamp plate, bottom plate central authorities be provided with the rectangular groove that is used for installing the flap lock, the clamp plate setting on the flap lock, and with the bottom plate connect, press from both sides the fastening with the flap lock and fix, the depression bar is connected with the testing machine to the setting is in flap lock locking arm top.

2. The device for testing the strength of the flap lock according to claim 1, wherein the edges of the left and right sides of the bottom plate are provided with U-shaped mounting grooves, the edge of the right side of the pressing plate is also provided with U-shaped mounting grooves, and the U-shaped mounting grooves on the edge of the right side of the bottom plate are the same in number and are in one-to-one correspondence with the U-shaped mounting grooves on the edge of the right side of the pressing plate.

3. The apparatus for testing strength of a flap lock according to claim 2, further comprising a plurality of bolts, wherein the bolts pass through the U-shaped mounting groove at the left edge of the bottom plate to mount the left side of the bottom plate on the table of the testing machine; the bolt passes through the U-shaped installation at the edge of the right side of the pressing plate and the U-shaped installation groove at the edge of the right side of the bottom plate, and the right side of the bottom plate of the pressing plate is installed on the table top of the testing machine.

4. The apparatus of claim 2, wherein the base plate and the pressure plate have the same width.

5. The device for testing strength of the flap lock according to claim 1, wherein the bottom of the flap lock is installed in the rectangular groove, the length of the bottom of the flap lock is smaller than that of the rectangular groove, and the flap lock can move left and right in the rectangular groove.

6. The apparatus of claim 1, wherein the compression bar is made of steel, and the bottom plate and the pressure plate are made of aluminum.