CN220455073U

CN220455073U - Landing gear pressure-bearing detection mechanism

Info

Publication number: CN220455073U
Application number: CN202322025969.1U
Authority: CN
Inventors: 梁文哲; 李赟; 陈滨
Original assignee: Qingdao Wanfeng Diamond Aircraft Manufacturing Co ltd
Current assignee: Qingdao Wanfeng Diamond Aircraft Manufacturing Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-06
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to a detection mechanism, in particular to a landing gear pressure-bearing detection mechanism, which comprises a base, wherein a landing gear is arranged on the base, a rotating mechanism is arranged on the base, the rotating mechanism comprises a driving motor, a supporting frame is arranged on the base, a clamping mechanism is arranged on the supporting frame, the clamping mechanism consists of a clamping cylinder and a clamping device, and the detection mechanism further comprises: the pressing mechanism comprises a pressure oil cylinder and a pressing plate; in this undercarriage pressure-bearing detection mechanism, through the mutual cooperation of pushing down mechanism and rotary mechanism, rotary mechanism passes through driving motor drive first running roller and rotates to drive the undercarriage bottom tire of placing between first running roller and second running roller and rotate, promote the holder by fixture's centre gripping cylinder and carry out the centre gripping to the undercarriage, keep the stability of undercarriage, pushing down the mechanism and pushing down the clamp plate through the pressure cylinder and slide in backup pad both sides inner wall spout, can exert pressure to the undercarriage simultaneously, thereby carry out pressure-bearing detection to the undercarriage.

Description

Landing gear pressure-bearing detection mechanism

Technical Field

The utility model relates to a detection mechanism, in particular to a landing gear pressure-bearing detection mechanism.

Background

The landing gear is an accessory device for supporting the aircraft during take-off and landing or ground (water surface) taxiing and for ground (water surface) movement, and is the only part for supporting the whole aircraft, so that the landing gear is an integral part of the aircraft; the landing gear is characterized in that the landing gear is wound on a shaft and fixed on a support column to absorb shock, the landing gear at the moment enters a role in the aspect of landing shock absorption, and the landing gear of the modern aircraft can be required to be retractable along with the improvement of the flight speed, so that the structural form of the landing gear is also developed into a strut type and a rocker arm type by architecture, the pressure-bearing detection of the landing gear is particularly important in the production and manufacturing processes of the landing gear, the existing landing gear pressure-bearing detection mechanism is mainly placed on the landing gear by lifting an object with a certain weight, so that the pressure-bearing detection of the landing gear can be carried out to a certain extent, the landing gear is carried out pressure-bearing buffering when the landing gear cannot slide, the landing gear is in a pressure-bearing state when the landing gear cannot slide, and the landing gear is in a pressure-bearing state when the landing gear is detected in a pressure-bearing state when the landing gear is not used for detecting, and the landing gear is not used for detecting the landing gear.

Disclosure of Invention

The utility model aims to solve the defects in the prior art by providing a landing gear pressure-bearing detection mechanism.

The technical scheme adopted by the utility model is as follows:

the utility model provides a undercarriage pressure-bearing detection mechanism, the on-line screen storage device comprises a base, be provided with the undercarriage on the base, be provided with rotary mechanism on the base, rotary mechanism includes driving motor, first running roller is installed to driving motor one end, first running roller one side is provided with the second running roller, driving motor is used for driving first running roller and rotates, be provided with the support frame on the base, be provided with fixture on the support frame, fixture comprises clamping cylinder and holder, fixture is used for the centre gripping undercarriage, still includes: and the pressing mechanism comprises a pressure oil cylinder and a pressing plate, and is used for applying pressure to the landing gear.

As a preferred technical scheme of the utility model: the base is fixedly provided with a supporting plate, the driving motor is fixedly arranged on the supporting plate, the base is symmetrically provided with a fixing rod, the first roller and the second roller are rotatably arranged on the fixing rod, and an output shaft of the driving motor is fixedly connected with one end of the first roller.

As a preferred technical scheme of the utility model: the base both ends symmetry fixed mounting has the support frame, centre gripping cylinder fixed mounting is in the symmetry sets up on the lateral wall of support frame.

As a preferred technical scheme of the utility model: and one end of a piston rod of the clamping cylinder penetrates through the supporting frame, and the side wall of one end of the clamp holder is fixedly connected with the piston rod of the clamping cylinder.

As a preferred technical scheme of the utility model: the inner wall of the support frame is provided with a chute, and two ends of the lower pressing plate are slidably arranged in the chute.

As a preferred technical scheme of the utility model: the mounting plate is fixedly arranged at the upper end of the supporting frame which is symmetrically arranged, the pressure oil cylinder is fixedly arranged on the mounting plate, and one end of a piston rod of the pressure oil cylinder penetrates through the mounting plate and is fixedly connected with the upper end of the lower pressing plate.

Compared with the prior art, the utility model has the beneficial effects that:

in this undercarriage pressure-bearing detection mechanism, through the mutual cooperation of pushing down mechanism and rotary mechanism, rotary mechanism passes through driving motor drive first running roller and rotates, thereby drive the undercarriage bottom tire of placing between first running roller and second running roller and rotate, promote the holder by the centre gripping cylinder of fixture and carry out the centre gripping to the undercarriage, keep the stability of undercarriage, pushing down the mechanism and pushing down the clamp plate through the pressure cylinder and slide in backup pad both sides inner wall spout, simultaneously can apply pressure to the undercarriage, thereby carry out pressure-bearing detection to the undercarriage, in-process, because undercarriage bottom tire is in rotation state, thereby the state of undercarriage when can simulate the aircraft and slide, make the pressure-bearing detection of undercarriage more rigorous and accurate.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a rotating mechanism according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of a clamping mechanism according to a preferred embodiment of the present utility model;

fig. 4 is a schematic view of a pressing mechanism in a preferred embodiment of the present utility model.

The meaning of each label in the figure is:

1. a base; 12. a support frame; 121. a chute; 122. a mounting plate; 13. a fixed rod; 14. a first roller; 15. a second roller; 2. a driving motor; 21. a support plate; 3. a clamping cylinder; 31. a holder; 4. a pressure cylinder; 41. a lower pressing plate; 5. and (5) landing gear.

Detailed Description

It should be noted that, under the condition of no conflict, the embodiments of the present embodiments and features in the embodiments may be combined with each other, and the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and obviously, the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an objective of the present embodiment is to provide a landing gear pressure-bearing detection mechanism, including a base 1, a landing gear 5 is provided on the base 1, a rotation mechanism is provided on the base 1, the rotation mechanism includes a driving motor 2, a first roller 14 is installed at one end of the driving motor 2, a second roller 15 is provided at one side of the first roller 14, the driving motor 2 is used for driving the first roller 14 to rotate, a supporting frame 12 is provided on the base 1, a clamping mechanism is provided on the supporting frame 12, the clamping mechanism is composed of a clamping cylinder 3 and a clamping device 31, the clamping mechanism is used for clamping the landing gear 5, and the embodiment further includes: the pushing mechanism comprises a pressure oil cylinder 4 and a pushing plate 41, and the pushing mechanism is used for applying pressure to the landing gear 5; one end of the holder 31 is provided with a groove, and the horizontal stability of the landing gear 5 can be maintained during holding.

The base 1 is fixedly provided with a supporting plate 21, the driving motor 2 is fixedly arranged on the supporting plate 21, the base 1 is symmetrically provided with a fixed rod 13, the first roller 14 and the second roller 15 are rotatably arranged on the fixed rod 13, and an output shaft of the driving motor 2 is fixedly connected with one end of the first roller 14; when the bottom tire of the landing gear 5 is mutually attached to the first roller 14 and the second roller 15, the first roller 14 is driven to rotate by the driving motor 2, so that the tire of the landing gear 5 can be rotated between the first roller 14 and the second roller 15.

The two ends of the base 1 are symmetrically and fixedly provided with supporting frames 12, and the clamping cylinder 3 is fixedly arranged on the side walls of the symmetrically arranged supporting frames 12; one end of a piston rod of the clamping cylinder 3 penetrates through the supporting frame 12, and the side wall of one end of the clamp holder 31 is fixedly connected with the piston rod of the clamping cylinder 3; the clamping cylinders 3 on both sides can push the holders 31 toward each other, thereby clamping the landing gear 5.

A chute 121 is formed in the inner wall of the support frame 12, and two ends of the lower pressing plate 41 are slidably arranged in the chute 121; the upper ends of the symmetrically arranged support frames 12 are fixedly provided with mounting plates 122, the pressure oil cylinders 4 are fixedly arranged on the mounting plates 122, and one ends of piston rods of the pressure oil cylinders 4 penetrate through the mounting plates 122 and are fixedly connected with the upper ends of the lower pressure plates 41; the pressure cylinder 4 can apply larger pressure, the lower pressing plate 41 is pushed by the pressure cylinder 4 to slide in the chute 121, and pressure is applied to the landing gear 5, so that the landing gear 5 is subjected to pressure bearing detection.

When the landing gear is specifically used, a user firstly needs to place the landing gear 5 between the holders 31, pushes the holders 31 to clamp the landing gear 5 through the clamping cylinder 3, mutually clings the bottom tires of the landing gear 5 to the first roller 14 and the second roller 15, turns on the power supply of the pressure cylinder 4, drives the lower pressure plate 41 to slide in the sliding groove 121, applies pressure to the landing gear 5, simultaneously starts the power supply of the driving motor 2, drives the first roller 14 to rotate, thereby driving the bottom tires of the landing gear 5 to rotate, continuously adjusts the pressure of the pressure cylinder 4 to carry out pressure-bearing detection on the landing gear 5, closes the pressure cylinder 4 and the driving motor 2 after the detection is finished, drives the holders 31 to loosen through the clamping cylinder 3, and takes out the landing gear 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Undercarriage pressure-bearing detection mechanism, including base (1), its characterized in that: be provided with undercarriage (5) on base (1), be provided with rotary mechanism on base (1), rotary mechanism includes driving motor (2), first running roller (14) are installed to driving motor (2) one end, first running roller (14) one side is provided with second running roller (15), driving motor (2) are used for driving first running roller (14) and rotate, be provided with support frame (12) on base (1), be provided with fixture on support frame (12), fixture comprises clamping cylinder (3) and holder (31), fixture is used for centre gripping undercarriage (5), still includes:

the pushing mechanism comprises a pressure oil cylinder (4) and a pushing plate (41), and the pushing mechanism is used for applying pressure to the landing gear (5).

2. The landing gear pressure detection mechanism of claim 1, wherein: the novel roller is characterized in that a supporting plate (21) is fixedly arranged on the base (1), the driving motor (2) is fixedly arranged on the supporting plate (21), fixing rods (13) are symmetrically arranged on the base (1), the first roller (14) and the second roller (15) are rotatably arranged on the fixing rods (13), and an output shaft of the driving motor (2) is fixedly connected with one end of the first roller (14).

3. The landing gear pressure detection mechanism of claim 2, wherein: the two ends of the base (1) are symmetrically and fixedly provided with supporting frames (12), and the clamping air cylinders (3) are fixedly arranged on the side walls of the symmetrically arranged supporting frames (12).

4. A landing gear pressure sensing mechanism according to claim 3, wherein: one end of a piston rod of the clamping cylinder (3) penetrates through the supporting frame (12), and the side wall of one end of the clamp holder (31) is fixedly connected with the piston rod of the clamping cylinder (3).

5. The landing gear pressure detection mechanism of claim 4, wherein: a chute (121) is formed in the inner wall of the supporting frame (12), and two ends of the lower pressing plate (41) are slidably arranged in the chute (121).

6. The landing gear pressure detection mechanism of claim 5, wherein: the upper end of the supporting frame (12) which is symmetrically arranged is fixedly provided with a mounting plate (122), the pressure oil cylinder (4) is fixedly arranged on the mounting plate (122), and one end of a piston rod of the pressure oil cylinder (4) penetrates through the mounting plate (122) and is fixedly connected with the upper end of the lower pressing plate (41).