CN218628755U

CN218628755U - Folding moment measuring device of multi-station folding mechanism

Info

Publication number: CN218628755U
Application number: CN202222677686.0U
Authority: CN
Inventors: 李晓媛; 程学深; 张文文; 龙邵安
Original assignee: AVIC Xian Aircraft Industry Group Co Ltd
Current assignee: AVIC Xian Aircraft Industry Group Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-14
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a many standing position folding mechanism's folding moment measuring device, the on-line screen storage device comprises a base, the rolling bearing, the torque wrench adapter, joint turning power arm, torque wrench, the folding mechanism that awaits measuring fixes in base upper surface one side, the rolling bearing that takes fixes at base upper surface opposite side, the torque wrench adapter is installed on the rolling bearing, its one end is connected with joint turning power arm, the other end uses with the torque wrench cooperation, joint turning power arm grasps the folding mechanism one end that awaits measuring, pull torque wrench, it is rotatory to drive joint turning power arm, it is folding mechanism's folding moment promptly to read the torque wrench measured value.

Description

Folding moment measuring device of multi-station folding mechanism

Technical Field

The application belongs to the technical field of aviation manufacturing and relates to a folding moment measuring device of a multi-station folding mechanism.

Background

In the development and production of airplanes, a multi-station folding mechanism has requirements on folding moment, the folding moment values of a plurality of stations in clockwise and anticlockwise directions need to be measured at a rotating joint part, but the rotating joint part of the mechanism does not have a square hole for inserting a square tenon of a torque wrench, and cannot be connected with the torque wrench through adapters such as sleeves for measurement. The conventional measuring method is carried out by combining a dynamometer with a flexible rope, during operation, one end of the multi-station folding mechanism to be measured is stretched by the flexible rope along the normal direction until a joint part is folded, the force value of the dynamometer is read, and the folding moment is obtained by calculating the product of the force value of the dynamometer and the length of the force arm at the stretching part. The measurement mode has great influence on human factors such as the stretching direction, the stretching speed and the like, the measured data has large fluctuation, and the actual folding moment of the rotating joint part of the folding mechanism to be measured cannot be accurately reflected.

Therefore, a reliable method and device for measuring the folding moment of the multi-station folding mechanism are urgently needed.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method and an apparatus for measuring folding moment of a multi-station folding mechanism, the method can utilize a universal torque wrench to measure folding moment of multiple stations clockwise and counterclockwise, the structure is simple, the operation is convenient, the folding moment value does not need to be calculated, and the reading can be directly performed.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

the utility model provides a folding moment measuring device of many station folding mechanism, the on-line screen storage device comprises a base, the pedestal bearing, the torque wrench adapter, joint turning power arm, the torque wrench, folding mechanism that awaits measuring fixes in base upper surface one side, the pedestal bearing is fixed at base upper surface opposite side, the torque wrench adapter is installed on the pedestal bearing, its one end is connected with joint turning power arm, the other end uses with the torque wrench cooperation, joint turning power arm centre gripping folding mechanism one end that awaits measuring, pull the torque wrench, it is rotatory to drive joint turning power arm, it is folding moment of folding mechanism promptly to read the torque wrench measured value.

A positioning pin and a diamond pin are arranged on one side of the upper surface of the base and matched with holes in lug pieces on two sides of the lower end surface of the folding mechanism, the lug pieces of the folding mechanism are pressed tightly through two parallel pressing plates, long round holes are formed in the parallel pressing plates, the positions of the pressing plates can be adjusted, the folding mechanism to be measured is fixed at a fixed position of the base, and two bolt positioning holes for installing a bearing with a seat are formed in the middle of the other side of the upper surface of the base.

The mounted bearing comprises a base body, a bearing and a retainer ring, wherein the base body is fixed on the base, a bearing mounting hole is formed in the base body, the bearing is fixed in the bearing mounting hole through the retainer ring, an adjustable gasket is arranged between the mounted bearing and the base, the height direction position of the mounted bearing can be adjusted, and the axis of an inner hole in the upper portion of the mounted bearing is coaxial with the rotation axis of a detected rotating joint of the folding mechanism to be detected.

The torque wrench adapter comprises an end cover, an adapter, a shaft, a flat washer and a hexagon nut, wherein the shaft penetrates through the bearing, one end of the shaft is connected with the adapter, the other end of the shaft is provided with a square step, and a joint rotation power arm is fixed at the square step of the shaft through the flat washer and the hexagon nut.

The joint torque arm comprises a fork-shaped piece and a connecting rod, one end of the connecting rod is connected with the fork-shaped piece, the other end of the connecting rod is connected with a shaft on the torque wrench adapter, and the fork-shaped piece clamps one end of the folding mechanism to be tested.

The application has the advantages that: the folding torque measuring device of the multi-station folding mechanism is simple in structure, convenient to clamp and operate, accurate in measurement by utilizing a common torque wrench in the market, capable of achieving clockwise and anticlockwise bidirectional measurement, and capable of avoiding measuring errors caused by human factors in the measuring process, and the measuring errors are not larger than 0.1 N.m through actual measurement data feedback.

The invention is described in further detail below with reference to the figures and examples.

Drawings

FIG. 1 is a schematic view of a folding moment measuring device;

FIG. 2 is a schematic structural view of the base;

FIG. 3 is a schematic view of a structure of a seated bearing;

FIG. 4 is a structural cross-sectional view of the seated bearing;

FIG. 5 is a schematic view of a torque wrench adaptor;

FIG. 6 is a schematic view of a structure of a joint rotation power arm;

fig. 7 is a schematic structural diagram of the embodiment.

The numbering in the figures illustrates: 1. a base; 2. a pedestal bearing; 3. a torque wrench adaptor; 4. a joint rotation power arm; 5. positioning pins; 6. a diamond pin; 7. pressing a plate; 8. a long round hole; 9. positioning holes; 10. a base body; 11. a bearing; 12. a retainer ring; 13. a bearing mounting hole; 14. an adjustable spacer; 15. an end cap; 16. an adapter; 17. a shaft; 18. a flat washer; 19. a hexagonal nut; 20. a square step; 21. a fork-shaped piece; 22. a connecting rod; 23. folding mechanism to be tested.

Detailed Description

Referring to fig. 1 to 7, a folding moment measuring device of a multi-station folding mechanism comprises a base 1, a bearing 2 with a seat, a torque wrench adaptor 3, a joint rotation power arm 4 and a torque wrench, wherein a folding mechanism 23 to be measured is fixed on one side of the upper surface of the base 1, the bearing 2 with the seat is fixed on the other side of the upper surface of the base 1, the torque wrench adaptor 3 is installed on the bearing 2 with the seat, one end of the torque wrench adaptor is connected with the joint rotation power arm 4, the other end of the torque wrench adaptor is matched with the torque wrench for use, the joint rotation power arm 4 clamps one end of the folding mechanism 23 to be measured, the torque wrench is pulled to drive the joint rotation power arm 4 to rotate, and the measured value of the torque wrench is read, namely the folding moment of the folding mechanism.

A locating pin 5 and a diamond pin 6 are established to base 1 upper surface one side, with the hole cooperation on the auricle of the terminal surface both sides under the folding mechanism 23 that awaits measuring, compress tightly the folding mechanism 23 auricle that awaits measuring through two parallel clamp plates 7, be equipped with slotted hole 8 on the parallel clamp plate 7, adjustable clamp plate 7 position will await measuring the folding mechanism 23 and fix on base 1's fixed position, base 1 upper surface opposite side middle part is provided with two bolt locating holes 9 of erection tape seat bearing 2.

The mounted bearing 2 comprises a base body 10, a bearing 11 and a retainer ring 12, the base body 10 is fixed on a base 1, a bearing mounting hole 13 is formed in the base body 10, the bearing 11 is fixed in the bearing mounting hole 13 through the retainer ring 12, an adjustable gasket 14 is arranged between the mounted bearing 2 and the base 1, the position of the mounted bearing 2 in the height direction can be adjusted, and the axis of an inner hole in the upper portion of the mounted bearing 2 is coaxial with the rotation axis of a rotation joint to be measured of a folding mechanism 23.

The torque wrench adaptor 3 comprises an end cover 15, an adapter 16, a shaft 17, a flat washer 18 and a hexagon nut 19, wherein the shaft 17 penetrates through the bearing 11, one end of the shaft 17 is connected with the adapter 16, the other end of the shaft is provided with a square step 20, and the joint rotation power arm 4 is fixed at the square step 20 of the shaft 17 through the flat washer 18 and the hexagon nut 19.

The joint rotation power arm 4 comprises a fork 21 and a connecting rod 22, one end of the connecting rod 22 is connected with the fork 21, the other end of the connecting rod 22 is connected with the shaft 17 on the torque wrench adapter 3, and the fork 21 clamps one end of a folding mechanism 23 to be tested.

When the device is used, one end of a multi-station folding mechanism 23 is fixed on a base 1 through a positioning pin 5, a diamond pin 6 and a pressing plate 7, the position of the pressing plate 7 can be adjusted through a long circular hole 8, the folding mechanism 23 to be measured is fixed on the fixed position of the base 1, the other end of the folding mechanism 23 to be measured is placed in a fork-shaped piece 21, during measurement, a universal torque wrench square tenon is inserted into an adapter 16 of a torque wrench adaptor 3, and when the folding mechanism is rotated clockwise and anticlockwise, the folding movement of the joint part of the folding mechanism 23 to be measured is completed through the adapter 16, a bearing 11 and a driving shaft 17, a connecting rod 22 and the fork-shaped piece 21, a torque value shown by a torque wrench is a folding torque value of the folding mechanism 23 to be measured, other stations are used as described above, the direction of the torque wrench is adjusted, and the folding torque measurement in the opposite direction can be performed.

The height direction position of the seated bearing 2 is adjusted by adjusting the thickness of the adjustable gasket 14, so that the axis of the inner hole at the upper part of the seated bearing 2 and the rotation axis of the torque wrench adapter 3 are coaxial with the rotation axis of the tested rotation joint of the folding mechanisms with different heights, and the folding torque of the folding mechanisms with the same type and different heights can be measured.

Claims

1. The utility model provides a folding moment measuring device of many station folding mechanism, its characterized in that includes the base, the pedestal bearing, the torque wrench adapter, joint turning power arm, torque wrench, folding mechanism that awaits measuring fixes in base upper surface one side, the pedestal bearing is fixed in base upper surface opposite side, torque wrench adapter installs on pedestal bearing, its one end is connected with joint turning power arm, the other end uses with torque wrench cooperation, joint turning power arm centre gripping folding mechanism one end that awaits measuring, pull torque wrench, it is rotatory to drive joint turning power arm, it is folding moment that folding mechanism is promptly to read the torque wrench measured value.

2. The device for measuring the folding moment of the multi-station folding mechanism as claimed in claim 1, wherein one side of the upper surface of the base is provided with a positioning pin and a diamond pin which are matched with holes on lugs on two sides of the lower end surface of the folding mechanism, the lugs of the folding mechanism are pressed tightly through two parallel pressing plates, the parallel pressing plates are provided with long round holes, the positions of the pressing plates can be adjusted, the folding mechanism to be measured is fixed on the fixed position of the base, and two bolt positioning holes for mounting a bearing with a seat are arranged in the middle of the other side of the upper surface of the base.

3. The folding moment measuring device of a multi-station folding mechanism according to claim 1, wherein the mounted bearing comprises a base, a bearing and a retainer ring, the base is fixed on the base, the base is provided with a bearing mounting hole, the bearing is fixed in the bearing mounting hole through the retainer ring, an adjustable gasket is arranged between the mounted bearing and the base, the height direction position of the mounted bearing can be adjusted, and the axis of the inner hole in the upper part of the mounted bearing is coaxial with the rotation axis of the detected rotary joint of the folding mechanism to be detected.

4. The folding torque measuring device of a multi-station folding mechanism as claimed in claim 1, wherein the torque wrench adaptor comprises an end cap, an adaptor, a shaft, a flat washer and a hexagon nut, the shaft passes through the bearing, one end of the shaft is connected with the adaptor, the other end of the shaft is provided with a square step, and the joint turning arm is fixed at the square step of the shaft through the flat washer and the hexagon nut.

5. The folding moment measuring device of a multi-station folding mechanism as claimed in claim 1, wherein the joint torque arm includes a fork and a connecting rod, one end of the connecting rod is connected to the fork, the other end of the connecting rod is connected to a shaft of the torque wrench adaptor, and the fork holds one end of the folding mechanism to be measured.