CN218856073U

CN218856073U - Adjustable rocker arm device for mounting actuating cylinder

Info

Publication number: CN218856073U
Application number: CN202223022544.7U
Authority: CN
Inventors: 万宇; 王庆庆; 万启星; 刘炽炜; 许文月; 孔国庆; 郑烨
Original assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Current assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-14
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to an adjustable rocking arm device for installing pressurized strut belongs to aircraft pressurized strut installation test technical field. An adjustable rocker arm apparatus for mounting an actuator cylinder, comprising a support structure and a rocker arm; the bottom of the supporting structure is fixed on the test bed; the rocker arm is arranged on the supporting structure and can transversely move on the supporting structure, and the rocker arm is connected with the piston rod in the actuating cylinder and can drive the piston rod to do telescopic motion. The utility model has the advantages of as follows: the adjustable rocker arm device meets the installation mode of the actuating cylinder, and meets the requirement of the inner field test of the actuating cylinder.

Description

Adjustable rocker arm device for mounting actuator cylinder

Technical Field

The utility model relates to an adjustable rocking arm device for installing actuator cylinder belongs to aircraft actuator cylinder installation test technical field.

Background

The actuator cylinder is a part of a hydraulic flight control system on an airplane, has the main function of providing a pressure signal by the hydraulic system on the airplane, realizes the retraction and release action of a flap through the actuator cylinder, and needs to carry out an internal field test on the actuator cylinder to ensure that the actuator cylinder can normally work after being installed with products, indexes and the like in order to ensure the working quality of the actuator cylinder on the airplane. In order to meet the installation requirements of the actuating cylinder, an adjustable rocker arm device is needed on system testing equipment of an internal field to install and fix the tested actuating cylinder, and when the installation position of the extending end of the actuating cylinder is changed, the position of the rocker arm device can be adjusted to meet the installation position requirements of products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable rocker arm device for installing the pressurized strut satisfies the requirement of pressurized strut installation on infield system test equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an adjustable rocker arm apparatus for mounting an actuator cylinder, comprising a support structure and a rocker arm; the bottom of the supporting structure is fixed on the test bed; the rocker arm is arranged on the supporting structure and can transversely move on the supporting structure, and the rocker arm is connected with the piston rod in the actuator cylinder and can drive the piston rod to do telescopic motion.

Preferably, the supporting structure comprises a bottom plate, two supports and a rotating shaft, the bottom plate is fixed on the test bed, and the two supports are both arranged on the bottom plate; and bearings are arranged at two ends of the rotating shaft and are respectively arranged at the tops of the supports, so that the rotating shaft can rotate along the circumferential direction of the rotating shaft.

Preferably, the rocker arm comprises a rocker arm fixing part and a rocker arm moving part, one end of the rocker arm fixing part is sleeved on the rotating shaft and can move along the axial direction of the rotating shaft, the other end of the rocker arm fixing part is connected with one end of the rocker arm moving part, the position relation between the rocker arm moving part and the fixed end of the rocker arm moving part is adjustable, and the other end of the rocker arm moving part is connected with the piston rod in the actuator cylinder.

Preferably, one end of the rocker arm fixing part is provided with a through hole, the inner diameter of the through hole is matched with the outer diameter of the rotating shaft, and when the rocker arm is adjusted to a proper position, the rocker arm is fixed on the rotating shaft through the fixing part; two lugs are arranged at the other end of the rocker arm fixing part, and through holes are formed in the corresponding positions of the lugs; the rocker arm movable part is an ear fork, one end of the ear fork is inserted between the ear pieces and fixed with the ear pieces, and the other end of the ear fork is connected with a piston rod in the actuating cylinder.

Preferably, a U-shaped through groove is formed in the axial direction of the rotating shaft, a bolt mounting hole is formed in the rocker arm, and the bolt mounting hole is communicated with the U-shaped through groove; when adjusting the rocking arm to suitable position, fix the rocking arm in the pivot through inserting bolt mounting hole and the logical inslot bolt of U type, and then realize the axial removal of rocking arm and fix.

Preferably, the bolt mounting hole has a quadrangular cross section.

Compared with the prior art, the utility model has the advantages of as follows: the adjustable rocker arm device meets the installation mode of the actuating cylinder, and the requirement of the actuating cylinder on an inner field test is met.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the supporting base structure in the embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft in the embodiment of the present invention;

FIG. 4 is a schematic view of the swing arm structure in the embodiment of the present invention;

FIG. 5 is a schematic view of an embodiment of the present invention;

in fig. 1-5, 1, a base plate is mounted; 2. a support; 3. a bearing; 4. a rotating shaft; 5. a rocker arm; 6. a bolt; 7. a nut; 8. a gasket; 9. a spring pad; 10. an anti-loosening pin; 11. an ear fork; 12. positioning bolt (including nut, washer, spring washer).

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings 1-5: an adjustable rocker arm apparatus for mounting an actuator cylinder, comprising a support structure and a rocker arm structure; the bottom of the supporting structure is fixed on the test bed; the rocker arm structure is arranged on the supporting structure and can transversely move on the supporting structure, and the rocker arm structure is connected with the piston rod in the actuator cylinder and can drive the piston rod to do telescopic motion.

The concrete structure is as follows:

an adjustable rocker arm device for mounting an actuator cylinder is mainly composed of a mounting base plate 1, a support 2, a bearing 3, a rotating shaft 4, a rocker arm 5, an ear fork 11, a standard part bolt for connection, a nut, a washer, an elastic cushion and the like as shown in figure 1. The bottom plate 1, the support 2, the bearing 3 and the rotating shaft 4 form a supporting structure; the rocker arm 5 and the ear fork 11 constitute a rocker arm structure.

As shown in fig. 2, the bottom of the support 2 is used as a mounting and fixing part with the bottom plate 1, and is provided with a lug which is arranged in the vertical direction of the bottom of the support and is provided with a through hole, and the axial direction of the through hole is vertical to the height direction of the lug;

as shown in fig. 3, bearings 3 are installed at two ends of the rotating shaft 4, and the rotating shaft is installed in the through hole of the support lug through the bearings 3, so that the rotating shaft can rotate flexibly; a U-shaped through groove is formed in the axial direction of the rotating shaft 4, and the cross section of the through groove is quadrilateral.

As shown in fig. 4-5, one end of the rocker arm 5 serves as a rocker arm fixing portion, on which a through hole is formed, the inner diameter of the through hole is adapted to the outer diameter of the rotating shaft 4, so that the rocker arm 5 can move axially (laterally) along the rotating shaft 4, and a positioning bolt fixing hole is formed along the radial direction of the through hole, the positioning bolt fixing hole is communicated with both the through hole and the U-shaped through groove, and the cross-sectional shape of the positioning bolt fixing hole is quadrilateral, in this embodiment, rectangular; when the rocker arm 5 is adjusted to a proper position, the rocker arm 5 is fixed on the rotating shaft 4 through the positioning bolt 12 inserted into the positioning bolt mounting hole and the U-shaped through groove, and further the axial movement and fixation of the rocker arm 5 are realized; the other end of the rocker arm 5 is provided with two lugs, and a through hole is formed in the corresponding position of the rocker arm; the ear fork 11 is used as a rocker arm movable part, one end of the ear fork is inserted between the ear pieces and is fixed with the rocker arm through a bolt 6, a nut 7, a washer 8, an elastic cushion 9 and an anti-loose pin 10 which are matched with the ear fork; the other end of the ear fork is connected with a piston rod in the actuating cylinder.

An ear ring (a piston rod) arranged on the actuator cylinder is connected with an ear fork 11 through a bolt, the ear fork 11 is connected with a rocker arm 5 through a bolt, a through hole at the other end of the rocker arm 5 is sleeved on a rotating shaft 4, the rotating shaft is provided with a U-shaped through groove, the axial free movement can be realized, the axial position of the actuator cylinder can be adjusted, and after the actuator cylinder is installed, the positioning bolt 12 is used for positioning, and the rocker arm 5 can not move axially any more; the rotating shaft 4 is arranged on the two support seats 2 through the bearing 3, and can realize axial rotation to drive a piston rod in the actuating cylinder to stretch along the longitudinal position of the rotating shaft, so that the purpose of measuring the stretching distance of the piston rod is achieved; two supports 2 are arranged on the bottom plate 1 and fixed on the test bed through the bottom plate.

As the test medium of the product is hydraulic oil, all materials of the device (except a bearing) are 304 stainless steel, so that the device is convenient to use for a long time, and the phenomenon of clamping stagnation caused by rusting of the device is avoided.

The above embodiments are merely preferred embodiments of the present invention, and do not limit the present invention. There are many ways to achieve lateral and longitudinal motion of the rocker arm, such as: the form of a slide rail, a chute, etc. may be used. Any extension, deformation and the like of the ordinary skilled person in the art without departing from the essence of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable rocker arm assembly for mounting an actuator cylinder, comprising: it comprises a supporting structure and a rocker arm; the bottom of the supporting structure is fixed on the test bed; the rocker arm is arranged on the supporting structure and can transversely move on the supporting structure, and the rocker arm is connected with the piston rod in the actuating cylinder and can drive the piston rod to do telescopic motion.

2. An adjustable rocker arm apparatus for mounting a ram as claimed in claim 1, wherein: the supporting structure comprises a bottom plate, two supports and a rotating shaft, wherein the bottom plate is fixed on the test bed, and the two supports are arranged on the bottom plate; and bearings are arranged at two ends of the rotating shaft and are respectively arranged at the top of the support, so that the rotating shaft can rotate along the circumferential direction of the rotating shaft.

3. An adjustable rocker arm apparatus for mounting a ram as set forth in claim 2 wherein: the rocker arm comprises a rocker arm fixing part and a rocker arm moving part, one end of the rocker arm fixing part is sleeved on the rotating shaft and can move along the axial direction of the rotating shaft, the other end of the rocker arm fixing part is connected with one end of the rocker arm moving part, the position relation of the rocker arm moving part and the fixed end of the rocker arm moving part is adjustable, and the other end of the rocker arm moving part is connected with a piston rod in the actuating cylinder.

4. An adjustable rocker arm apparatus for mounting a ram as claimed in claim 3, wherein: one end of the rocker arm fixing part is provided with a through hole, the inner diameter of the through hole is matched with the outer diameter of the rotating shaft, and when the rocker arm is adjusted to a proper position, the rocker arm is fixed on the rotating shaft through the fixing part; two lugs are arranged at the other end of the rocker arm fixing part, and through holes are formed in the corresponding positions of the lugs; the rocker arm movable part is an ear fork, one end of the ear fork is inserted between the ear pieces and fixed with the ear pieces, and the other end of the ear fork is connected with a piston rod in the actuating cylinder.

5. An adjustable rocker arm assembly for mounting a ram as claimed in any one of claims 2 to 4 wherein: a U-shaped through groove is formed in the axial direction of the rotating shaft, a bolt mounting hole is formed in the rocker arm, and the bolt mounting hole is communicated with the U-shaped through groove; when adjusting the rocking arm to suitable position, fix the rocking arm in the pivot through inserting bolt mounting hole and the logical inslot bolt of U type, and then realize the axial removal of rocking arm and fix.

6. An adjustable rocker arm apparatus for mounting a ram as claimed in claim 5, wherein: the cross section of the bolt mounting hole is quadrilateral.