阅读说明：本技术 一种飞机apu吊具 (Aircraft APU hoist ) 是由 王希存 陈怀宇 汪建民 于 2019-11-12 设计创作，主要内容包括：一种飞机APU吊具,包括第一连杆、第二连杆、第三连杆、第四连杆、第五连杆和手摇绞盘,所述第一连杆、第二连杆、第三连杆和第四连杆之间通过连接套连接；所述第一连杆底部设置有手摇绞盘；所述第四连杆与第五连杆之间通过滑轮组件一相互连接；所述第五连杆前端连接有滑轮组件二；所述手摇绞盘上绕接有钢丝绳,钢丝绳的一端穿过各连杆、滑轮组件一和滑轮组件二连接有吊接头；所述第三连杆的外侧杆身上连接有连接组件一；所述滑轮组件二上设置有连接组件二。与现有技术相比,本发明的一种飞机APU吊具,结构简单,通过连接组件一和连接组件二与飞机机身固定,将吊接头与APU固定,通过手摇绞盘带动钢丝绳将APU吊装下来,整个操作简单,而且便捷。(An aircraft APU lifting appliance comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a hand winch, wherein the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are connected through connecting sleeves; a hand winch is arranged at the bottom of the first connecting rod; the fourth connecting rod and the fifth connecting rod are connected with each other through a pulley assembly I; the front end of the fifth connecting rod is connected with a pulley assembly II; a steel wire rope is wound on the hand winch, and one end of the steel wire rope penetrates through each connecting rod, the pulley assembly I and the pulley assembly II to be connected with a hoisting joint; a first connecting component is connected to the outer side rod body of the third connecting rod; and a second connecting component is arranged on the second pulley component. Compared with the prior art, the aircraft APU lifting appliance is simple in structure, the lifting joint is fixed with the APU by fixing the first connecting assembly and the second connecting assembly with the aircraft body, and the APU is lifted by driving the steel wire rope through the hand winch.)

1. The utility model provides an aircraft APU hoist which characterized in that: the hand winch comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a hand winch, wherein the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are connected through connecting sleeves; the bottom of the first connecting rod is connected with a mounting base; the hand winch is connected to the mounting base; the fourth connecting rod and the fifth connecting rod are connected with each other through a pulley assembly I; the front end of the fifth connecting rod is connected with a pulley assembly II; a steel wire rope is wound on the hand winch, and one end of the steel wire rope sequentially penetrates through the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the first pulley component, the fifth connecting rod and the second pulley component to be connected with a hoisting joint; a first connecting component is connected to the outer side rod body of the third connecting rod; and a second connecting component is arranged on the second pulley component.

2. An aircraft APU spreader in accordance with claim 1 wherein: the connecting sleeve is a hollow steel pipe, and U-shaped slots are formed in two ends of the connecting sleeve; the upper end of the first connecting rod, the two ends of the second connecting rod, the two ends of the third connecting rod and the lower end of the fourth connecting rod are connected with studs; the stud is clamped in the U-shaped groove, and a butterfly nut is connected to the stud in a threaded mode.

3. An aircraft APU spreader in accordance with claim 1 wherein: the pulley assembly I comprises a group of first discs, a first shaft and a first pulley, and the fourth connecting rod and the fifth connecting rod are connected with each other through the first discs; the shaft is connected between the first discs; one pulley is rotatably connected to the first shaft; the pulley assembly II comprises a group of discs II, a shaft II and a pulley II, and the discs II are connected to the front end of the fifth connecting rod; the second shaft is connected between the second discs, and the two ends of the second shaft penetrate through the second discs; the second pulley is rotatably connected to the second shaft; and the steel wire rope penetrates through the grooves of the first disc and the second disc.

4. An aircraft APU spreader in accordance with claim 3 wherein: the two sides of the supporting seat are rotatably connected to a second shaft outside the second disc; the fixed seat is connected with a screw rod, the screw rod penetrates through the bottom of the fixed seat, and a nut is connected to the screw rod in a threaded manner; and a second mounting through hole is formed in the bottom of the fixed seat.

5. An aircraft APU spreader in accordance with claim 1 wherein: the connecting assembly one comprises a sliding sleeve and a connecting plate, one end of the sliding sleeve is not sealed, the sliding sleeve is sleeved on the third connecting rod, and the unsealed end of the sliding sleeve is integrally connected with a flanging plate; the flanging plates are connected through bolts and nuts; the connecting plates are welded on the opposite sides of the blind ends of the sliding sleeves; the connecting plate is provided with a first mounting through hole.

Technical Field

The invention relates to the field of airplane ground maintenance equipment, in particular to an airplane APU lifting appliance.

Background

The APU lifting appliance is a tool for detaching the APU from an airplane, and the conventional APU lifting appliances are various, are too complex to operate and too large in size, and are not beneficial to work in narrow space.

Disclosure of Invention

The invention aims to solve the technical problem of providing an aircraft APU hanger aiming at the defects of the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that:

an aircraft APU lifting appliance comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a hand winch, wherein the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are connected through connecting sleeves; the bottom of the first connecting rod is connected with a mounting base; the hand winch is connected to the mounting base; the fourth connecting rod and the fifth connecting rod are connected with each other through a pulley assembly I; the front end of the fifth connecting rod is connected with a pulley assembly II; a steel wire rope is wound on the hand winch, and one end of the steel wire rope sequentially penetrates through the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the first pulley component, the fifth connecting rod and the second pulley component to be connected with a hoisting joint; a first connecting component is connected to the outer side rod body of the third connecting rod; and a second connecting component is arranged on the second pulley component.

Furthermore, the connecting sleeve is a hollow steel pipe, and U-shaped slots are formed at two ends of the connecting sleeve; the upper end of the first connecting rod, the two ends of the second connecting rod, the two ends of the third connecting rod and the lower end of the fourth connecting rod are connected with studs; the stud is clamped in the U-shaped groove, and a butterfly nut is connected to the stud in a threaded mode.

Further, the pulley assembly I comprises a group of first discs, a first shaft and a first pulley, and the fourth connecting rod and the fifth connecting rod are connected with each other through the first discs; the shaft is connected between the first discs; one pulley is rotatably connected to the first shaft; the pulley assembly II comprises a group of discs II, a shaft II and a pulley II, and the discs II are connected to the front end of the fifth connecting rod; the second shaft is connected between the second discs, and the two ends of the second shaft penetrate through the second discs; the second pulley is rotatably connected to the second shaft; and the steel wire rope penetrates through the grooves of the first disc and the second disc.

Furthermore, the second connecting assembly comprises a supporting seat and a fixed seat, and two sides of the supporting seat are rotatably connected to a second shaft outside the second disc; the fixed seat is connected with a screw rod, the screw rod penetrates through the bottom of the fixed seat, and a nut is connected to the screw rod in a threaded manner; and a second mounting through hole is formed in the bottom of the fixed seat.

Furthermore, the connecting assembly comprises a sliding sleeve and a connecting plate, one end of the sliding sleeve is not sealed, the sliding sleeve is sleeved on the third connecting rod, and the unsealed end of the sliding sleeve is integrally connected with a flanging plate; the flanging plates are connected through bolts and nuts; the connecting plates are welded on the opposite sides of the blind ends of the sliding sleeves; the connecting plate is provided with a first mounting through hole.

Compared with the prior art, the aircraft APU lifting appliance is simple in structure, the lifting joint is fixed with the APU by fixing the first connecting assembly and the second connecting assembly with the aircraft body, and the APU is lifted by driving the steel wire rope through the hand winch.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is an enlarged view at FIG. 1B;

fig. 4 is a schematic structural view of the connecting sleeve of the invention;

FIG. 5 is a schematic structural view of a first connecting element of the present invention;

the device comprises a first connecting rod 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, a fourth connecting rod 5, a fifth connecting rod 6, a hand winch 7, a connecting sleeve 8, a stud 9, a butterfly nut 10, an installation base 11, a first pulley component 12, a second pulley component 13, a steel wire rope 14, a hanging joint 15, a first connecting component 16, a second connecting component 71, a U-shaped slot 111, a first disc 112, a first shaft 113, a first pulley 121, a second disc 122, a second shaft 123, a second pulley 151, a sliding sleeve 152, a connecting plate 153, a flanging plate 154, a first installation through hole 161, a supporting seat 162, a fixed seat 163, a screw rod 164 and a second installation through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below.

As shown in FIG. 1 ~ 5, the aircraft APU hanger comprises a first connecting rod 1, a second connecting rod 2, a third connecting rod 3, a fourth connecting rod 4, a fifth connecting rod 5 and a hand winch 6, wherein the first connecting rod 1, the second connecting rod 2, the third connecting rod 3 and the fourth connecting rod 4 are connected through a connecting sleeve 7, the connecting sleeve 7 is a hollow steel pipe, the connecting sleeve 7 is sleeved on the connecting rods, U-shaped slots 71 are formed in two ends of the connecting sleeve 7, studs 8 are connected to the upper end of the first connecting rod 1, two ends of the second connecting rod 2, two ends of the third connecting rod 3 and the lower end of the fourth connecting rod 4, the studs 8 are clamped in the U-shaped slots 71, butterfly nuts 9 are connected to the studs 8 in a threaded mode, and the first connecting rod 1, the second connecting rod 2, the third connecting rod 3 and the fourth connecting rod 4 are fixed through the butterfly nuts 9.

The bottom of the first connecting rod 1 is connected with a mounting base 10; the hand winch 6 is connected to the mounting base 10; the fourth connecting rod 4 and the fifth connecting rod 5 are connected with each other through a pulley assembly I11, and an included angle between the fourth connecting rod 4 and the fifth connecting rod 5 is 106 degrees; the front end of the fifth connecting rod 5 is connected with a second pulley assembly 12; a steel wire rope 13 is wound on the hand winch 6, and one end of the steel wire rope 13 sequentially penetrates through the first connecting rod 1, the second connecting rod 2, the third connecting rod 3, the fourth connecting rod 4, the first pulley component 11, the fifth connecting rod 5 and the second pulley component 12 to be connected with a hoisting joint 14; a first connecting component 15 is connected to the outer side rod body of the third connecting rod 3; and a second connecting component 16 is arranged on the second pulley component 12.

The pulley assembly I11 comprises a group of first disks 111, a first shaft 112 and a first pulley 113, and the fourth connecting rod 4 and the fifth connecting rod 5 are connected with each other through the first disks 111; the first shaft 112 is connected between the first discs 111; the first pulley 113 is rotatably connected to the first shaft 112; the second pulley assembly 12 comprises a second disc 121, a second shaft 122 and a second pulley 123, and the second disc 121 is connected to the front end of the fifth connecting rod 5; the second shaft 122 is connected between the second discs 121, and the two ends of the second shaft 122 penetrate through the second discs 121; the second pulley 123 is rotatably connected to the second shaft 122; the steel wire rope 13 is arranged in the grooves of the first disc 111 and the second disc 121 in a penetrating mode.

The first connecting assembly 15 comprises a sliding sleeve 151 and a connecting plate 152, one end of the sliding sleeve 151 is not closed, the sliding sleeve 151 is sleeved on the third connecting rod 3, and the unsealed end of the sliding sleeve 151 is integrally connected with a flanging plate 153; the flanging plate 153 is connected through bolts and nuts; the connecting plate 152 is welded on the opposite side of the unsealed end of the sliding sleeve 151; the connecting plate 152 is provided with a first mounting through hole 154.

The second connecting assembly 16 comprises a support seat 161 and a fixed seat 162, and two sides of the support seat 161 are rotatably connected to the second shaft 122 outside the second disc 121; the fixed seat 162 is connected with a screw 163, the screw 163 penetrates through the bottom of the fixed seat 162, and a nut is connected to the screw 163 in a threaded manner; the bottom of the fixed seat 162 is provided with a second mounting through hole 164.

The working principle is as follows: the APU hanger is connected with the airplane body through the first mounting through hole 154 on the connecting plate 152 and the second mounting through hole 164 on the fixing seat 162, the hanger joint 14 is connected with the airplane APU, and the airplane APU is hoisted by operating the hand winch 6.

The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.