CN108082501B

CN108082501B - Portable engine support

Info

Publication number: CN108082501B
Application number: CN201711329230.2A
Authority: CN
Inventors: 张蕊
Original assignee: Jingzhou Jianghan Zhongli Industrial Co ltd
Current assignee: Jingzhou Jianghan Zhongli Industrial Co ltd
Priority date: 2017-12-13
Filing date: 2017-12-13
Publication date: 2021-01-08
Anticipated expiration: 2037-12-13
Also published as: CN108082501A

Abstract

The invention relates to the technical field of airplane parts, in particular to a portable engine bracket which comprises a first U-shaped chassis and a second U-shaped chassis, wherein the first U-shaped chassis and the second U-shaped chassis form a rectangular base structure, connecting gaskets are fixed at two ends of the bottom surfaces of the first U-shaped chassis and the second U-shaped chassis respectively, mounting pieces are arranged below the connecting gaskets and parallel to the connecting gaskets, buffer cylinders are welded on the mounting pieces, a fixing frame is arranged above the first U-shaped chassis, three groups of triangular pieces are fixed in the fixing frame, mounting holes are formed on the triangular pieces, supporting bracket arms are fixed at two sides of the front end of the fixing frame respectively, and a fixing head is fixed at one end of the supporting bracket arm far away from the fixing frame, a supporting bracket bottom is fixed between the supporting bracket arms, fixing sleeve heads are fixed at the middle part of the supporting bracket arm and at two sides of the rear end of the fixing frame, and the upper end of the fixing frame is fixedly connected with the front end of the supporting bracket arm through an oblique beam. The invention effectively enhances the mounting precision of the engine and the stability of the whole structure.

Description

Portable engine support

Technical Field

The invention relates to the technical field of airplane parts, in particular to a portable engine support.

Background

The engine of an aircraft is usually arranged at the head or the front end of a wing of the aircraft, and a combination of a rod system and a suspension beam is adopted to form a framework type, a beam type and a chassis type engine mounting bracket. At present, however, the tasks of aircraft models with engines arranged at the back of the aircraft body are less, and the structural design of the engine support is still in the primary stage. When the engine is arranged on the airplane body in a high position, the thrust needs to be transmitted to the airplane body through a long force arm, so that the problems of use convenience and stability of the engine support need to be considered besides the weight and the strength of the engine mounting support when the engine is designed, and the manufacturing difficulty and the cost of support parts need to be considered.

Disclosure of Invention

The invention aims to solve the defects of complex structure, high cost, convenience in use and poor stability of an engine mounting bracket of an airplane in the prior art, and provides a portable engine bracket.

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

a portable engine support is designed, and comprises a first U-shaped chassis and a second U-shaped chassis, wherein the first U-shaped chassis and the second U-shaped chassis form a rectangular base structure, two support arms of the first U-shaped chassis are of a hollow tube structure, two support arms of the second U-shaped chassis are inserted into the two support arms of the first U-shaped chassis, a locking mechanism is arranged between the first U-shaped chassis and the second U-shaped chassis, two ends of the bottom surfaces of the first U-shaped chassis and the second U-shaped chassis are respectively fixed with a connecting gasket, an installation sheet is arranged below the connecting gaskets in parallel with the connecting gaskets, buffer cylinders are welded on the installation sheets, stand columns are fixed at the lower ends of the connecting gaskets, the stand columns penetrate through the buffer cylinders and extend into the buffer cylinders, buffer springs are sleeved on the outer sides of the stand columns, the upper ends of the buffer springs are connected with the inner walls of the buffer cylinders, slide seats are fixed at the lower ends of the buffer cylinders, and are connected to two sides, the lower end of the upright post is fixed on the sliding seat;

a fixing frame is arranged above the first U-shaped chassis, three groups of triangular plates are fixed in the fixing frame, the triangular plate is provided with a mounting hole, the fixing frame is formed by mutually splicing and combining a plurality of connecting components, a connecting sleeve is sleeved between two adjacent connecting assemblies and movably connected with the corresponding connecting assembly, supporting bracket arms are fixed on both sides of the front end of the fixed frame, and a fixing head is fixed at one end of the supporting bracket arm far away from the fixing frame, a supporting bracket bottom is fixed between the supporting bracket arms, the middle part of the supporting bracket arm and two sides of the rear end of the fixing frame are both fixed with a fixed sleeve head, the fixed sleeve head on the fixing frame is fixedly connected with the first U-shaped chassis through a group of rear brackets, the fixing sleeve head on the supporting bracket arm is fixedly connected with the first U-shaped chassis through a group of front supports, and the upper end of the fixing frame is fixedly connected with the front end of the supporting bracket arm through an oblique beam.

Preferably, the two support bases are arranged in parallel, and the whole support base is of an arc-shaped structure.

Preferably, the fixed frame is of a regular hexagon structure.

Preferably, locking mechanism is including fixing the slide bar in two arm both sides on second U type chassis to and the spiro union is in the retaining member of slide bar outside end, two arm both sides on first U type chassis have all opened the bar hole, slide bar sliding connection is downthehole at the bar, just the retaining member supports in the bar hole outside.

Preferably, the two support arms of the first U-shaped chassis are coated with frosted coatings.

Preferably, the connecting sleeve is evenly provided with a plurality of jacks at equal intervals, the end part of the connecting assembly is provided with the jack, the connecting sleeve and the connecting assembly are inserted into the corresponding jack through a fastening bolt, and the connecting sleeve and the connecting assembly are fixed through a nut.

Preferably, the slide both sides are fixed with the slider, buffer cylinder inner wall both sides all are provided with the slide rail, just slider sliding connection is on corresponding slide rail.

Preferably, a reinforcing rib is fixedly connected between the two rear brackets.

The portable engine bracket provided by the invention has the beneficial effects that: the traditional aircraft engine support is structurally improved, so that the overall structure is reduced, the manufacturing cost is greatly reduced, and the shock absorption buffer mechanism is additionally arranged on the original basis, so that the engine is prevented from being damaged due to large vibration; meanwhile, the fixed frame and the connecting chassis mechanism of the engine can be subjected to size adjustment according to needs, and the mounting precision of the engine and the stability of the whole structure are enhanced.

Drawings

FIG. 1 is a schematic front view of a portable engine mount according to the present invention;

FIG. 2 is a rear view of a portable engine mount according to the present invention;

FIG. 3 is a schematic top view of a portable engine mount according to the present invention, illustrating a connection between a support bracket and a support bracket base;

fig. 4 is a schematic diagram of an internal structure of a buffer cylinder of a portable engine mount according to the present invention.

In the figure: the fixing frame comprises a fixing frame 1, a connecting assembly 2, a fastening bolt 3, a connecting sleeve 4, a rear support 5, a first U-shaped chassis 6, a mounting piece 7, a stand column 8, a strip-shaped hole 9, a sliding rod 10, a locking piece 11, a frosted coating 12, a front support 13, a second U-shaped chassis 14, a buffer cylinder 15, a connecting gasket 16, a supporting support bottom 17, a fixing head 18, a supporting support arm 19, a fixing sleeve head 20, an oblique beam 21, a sliding rail 22, a sliding block 23, a sliding seat 24, a buffer spring 25, a reinforcing rib 26, a mounting hole 27, a jack 28 and a triangular piece 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a portable engine support comprises a first U-shaped chassis 6 and a second U-shaped chassis 14, wherein the first U-shaped chassis 6 and the second U-shaped chassis 14 form a rectangular base structure, two support arms of the first U-shaped chassis 6 are of a hollow tube structure, two support arms of the second U-shaped chassis 14 are inserted into the two support arms of the first U-shaped chassis 6, a locking mechanism is arranged between the first U-shaped chassis 6 and the second U-shaped chassis 14, the locking mechanism comprises slide bars 10 fixed on two sides of the two support arms of the second U-shaped chassis 14 and locking pieces 11 screwed on the outer side ends of the slide bars 10, strip-shaped holes 9 are formed in two sides of the two support arms of the first U-shaped chassis 6, the slide bars 10 are slidably connected in the strip-shaped holes 9, the locking pieces 11 abut against the outer sides of the strip-shaped holes 9, and both support arms of the first U-shaped chassis 6 are coated with frosted coatings 12; the frosted coating 12 can effectively increase the friction between the locking member 11 and the arm of the first U-shaped chassis 6, so that the locking member 11 can be stably locked.

The two ends of the bottom surfaces of the first U-shaped chassis 6 and the second U-shaped chassis 14 are both fixed with connecting gaskets 16, the lower part of each connecting gasket 16 is provided with an installation sheet 7 parallel to the connecting gasket, a buffer cylinder 15 is welded on each installation sheet 7, the lower end of each connecting gasket 16 is fixed with an upright post 8, each upright post 8 penetrates through each buffer cylinder 15 and extends into the corresponding upright post, the outer side of each upright post 8 is sleeved with a buffer spring 25, the upper end of the buffer spring 25 is connected with the inner wall of the buffer tube 15, the lower end is fixed with a slide seat 24, the slide seat 24 is connected with the two sides of the inner wall of the buffer tube 15 in a sliding way, the two sides of the slide seat 24 are fixed with slide blocks 23, the two sides of the inner wall of the buffer tube 15 are both provided with slide rails 22, and the sliding blocks 23 are slidably connected on the corresponding sliding rails 22, the lower end of the upright post 8 is fixed on the sliding seat 24, when the outside has big vibrations, the engine drives the stand 8 and pushes down the back, utilizes buffer spring 25 elasticity to cushion, avoids the vibration effect to lead to engine parts trouble.

Fixed frame 1 is provided with above first U type chassis 6, fixed frame 1 appearance specifically is regular hexagon structure, fixed frame 1 internal fixation has three set of triangular plates 29 of group, it has mounting hole 27 to open on the triangular plate 29, fixed frame 1 is formed by the mutual concatenation combination of a plurality of coupling assembling 2, and cup jointed adapter sleeve 4 between two adjacent coupling assembling 2, swing joint between adapter sleeve 4 and the corresponding coupling assembling 2, even equidistant a plurality of jacks 28 that are provided with on

adapter sleeve

4, 2 tip openings of coupling assembling have jack 28, insert in the corresponding jack 28 through fastening bolt 3 between adapter sleeve 4 and the coupling assembling 2, and the cooperation nut is fixed.

Two sides of the front end of the fixed frame 1 are both fixed with supporting bracket arms 19, one end of each supporting bracket arm 19 far away from the fixed frame 1 is fixed with a fixed head 18, a supporting bracket bottom 17 is fixed between the supporting bracket arms 19, the supporting bracket bottoms 17 are two in parallel arrangement, and the whole body of the supporting bracket bottom 17 is of an arc-shaped structure, the middle part of the supporting bracket arm 19 and the two sides of the rear end of the fixing frame 1 are both fixed with fixed sleeve heads 20, the fixed sleeve heads 20 on the fixing frame 1 are fixedly connected with the first U-shaped chassis 6 through a group of rear supports 5, reinforcing ribs 26 are fixedly connected between the two rear supports 5, the fixed sleeve heads 20 on the supporting bracket arm 19 are fixedly connected with the first U-shaped chassis 6 through a group of front supports 13, the upper end of the fixing frame 1 is fixedly connected with the front end of the supporting bracket arm 19 through an oblique beam 21, the supporting bracket arm 19 and the supporting bracket bottom 17 form a bracket structure, the front end of an engine is supported, and the bearing burden of the fixing frame 1 is effectively reduced.

The working principle is as follows: when the support is used, firstly, the overall dimension of the fixing frame 1 is adjusted according to the dimension of an engine, and the fixing frame is inserted into the corresponding jack 28 by using the fastening bolt 3 and is fixed by matching with a nut; then utilize three group's triangular plates 29 to realize the fixed connection between fixed frame 1 and the engine to put the engine front end in the bracket structure that support trailing arm 19 and support hold in the palm end 17 and constitute, then adjust rectangle base length according to aircraft installation position size, slide bar 10 slides along bar-shaped hole 9 promptly, and utilize retaining member 11 to lock, at last with mounting plate 7 fixed connection at aircraft installation position, realize the support mounting process, whole supporting structure is convenient and practical, does benefit to the popularization.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A portable engine support comprises a first U-shaped chassis (6) and a second U-shaped chassis (14), wherein the first U-shaped chassis (6) and the second U-shaped chassis (14) form a rectangular base structure, and is characterized in that two arms of the first U-shaped chassis (6) are of a hollow tube structure, the two arms of the second U-shaped chassis (14) are inserted into the two arms of the first U-shaped chassis (6), a locking mechanism is arranged between the first U-shaped chassis (6) and the second U-shaped chassis (14), connecting gaskets (16) are fixed at two ends of the bottom surfaces of the first U-shaped chassis (6) and the second U-shaped chassis (14), mounting pieces (7) are arranged below the connecting gaskets (16) in parallel with the connecting gaskets, buffer cylinders (15) are welded on the mounting pieces (7), and stand columns (8) are fixed at the lower ends of the connecting gaskets (16), the upright post (8) penetrates through the buffer cylinder (15) and extends into the buffer cylinder, the outer side of the upright post (8) is sleeved with a buffer spring (25), the upper end of the buffer spring (25) is connected with the inner wall of the buffer cylinder (15), the lower end of the buffer spring (25) is fixed with a sliding seat (24), the sliding seat (24) is connected to two sides of the inner wall of the buffer cylinder (15) in a sliding manner, and the lower end of the upright post (8) is fixed on the sliding seat (24);

first U type chassis (6) top is provided with fixed frame (1), fixed frame (1) internal fixation has three sets of three set of triangular plates (29), it has mounting hole (27) to open on triangular plate (29), fixed frame (1) is formed by a plurality of coupling assembling (2) concatenation combination each other, and adjacent two adapter sleeve (4) have been cup jointed between coupling assembling (2), swing joint between adapter sleeve (4) and corresponding coupling assembling (2), fixed frame (1) front end both sides all are fixed with support trailing arm (19), just support trailing arm (19) keep away from fixed frame (1) one end and are fixed with fixed head (18), still be fixed with between support trailing arm (19) and support trailing arm (17), support trailing arm (19) middle part and fixed frame (1) rear end both sides all are fixed with fixed pullover (20), through a set of after-poppet (5) between fixed frame (1) fixed pullover (20) and first U type chassis (6) The supporting bracket is characterized by comprising a fixed connection part, wherein a fixed sleeve head (20) on the supporting bracket arm (19) is fixedly connected with the first U-shaped chassis (6) through a group of front supports (13), and the upper end of the fixed frame (1) is fixedly connected with the front end of the supporting bracket arm (19) through an oblique beam (21).

2. The portable engine bracket according to claim 1, characterized in that the support base (17) is two in parallel, and the support base (17) is of an arc structure as a whole.

3. The portable engine mount according to claim 1, characterized in that the fixed frame (1) is shaped like a regular hexagon.

4. The portable engine bracket according to claim 1, characterized in that the locking mechanism comprises slide bars (10) fixed at both sides of two arms of the second U-shaped chassis (14) and locking pieces (11) screwed at the outer ends of the slide bars (10), strip-shaped holes (9) are opened at both sides of two arms of the first U-shaped chassis (6), the slide bars (10) are slidably connected in the strip-shaped holes (9), and the locking pieces (11) abut against the outer sides of the strip-shaped holes (9).

5. A portable engine support according to claim 1, characterised in that both arms of the first U-shaped pan (6) are coated with a frosted coating (12).

6. The portable engine bracket according to claim 1, characterized in that a plurality of insertion holes (28) are uniformly arranged on the connecting sleeve (4) at equal intervals, the insertion holes (28) are arranged at the end part of the connecting assembly (2), and the connecting sleeve (4) and the connecting assembly (2) are inserted into the corresponding insertion holes (28) through fastening bolts (3) and are fixed by matching nuts.

7. The portable engine bracket as recited in claim 1, characterized in that sliding blocks (23) are fixed on two sides of the sliding seat (24), sliding rails (22) are arranged on two sides of the inner wall of the buffer cylinder (15), and the sliding blocks (23) are slidably connected on the corresponding sliding rails (22).

8. The portable engine bracket according to claim 1, characterized in that a reinforcing rib (26) is fixedly connected between the two rear brackets (5).