CN201486458U

CN201486458U - Universal combined work ladder

Info

Publication number: CN201486458U
Application number: CN2009202160616U
Authority: CN
Inventors: 王贵生
Original assignee: Harbin Aircraft Industry Group Co Ltd
Current assignee: Harbin Aircraft Industry Group Co Ltd
Priority date: 2009-09-14
Filing date: 2009-09-14
Publication date: 2010-05-26
Anticipated expiration: 2019-09-14

Abstract

The utility model belongs to the technology of aircraft equipment and relates to the improvement of an aircraft assembling work ladder. The universal combined work ladder consists of four basic units, including a small ladder unit [1], a frame unit [2], a guardrail unit [3] and a floor unit [4]. The frame unit [2] is a square frame; the guardrail unit [3] consists of an upper cross tube [4], a lower cross plate [16] and a stand pipe [15] which are welded together; and the small ladder unit [1] consists of a right angled isosceles triangular prism frame [7] and armrests [8]. The universal combined work ladder has strong universality and can be assembled into different work ladders according to needs. Therefore, the universal combined work ladder can satisfy the requirements under different occasions.

Description

The box-like working stand of a kind of common group

Technical field

The utility model belongs to the aircraft equipment technology, relates to the improvement of aircraft rigger being made ladder.

Background technology

In the aircraft assembling process, the parts of each type assembling riveted joint generally speaking, all need to be furnished with special-purpose working stand and satisfy the assembling needs, though type is on the increase, the number of components of aircraft also increases gradually, and the quantity of required like this working stand also increases naturally, thereby can cause the manufacturing cost of aircraft to increase, manufacturing cycle prolongs, and also can cause the anxiety of assembling worker-house usable floor area.

Summary of the invention

The purpose of this utility model is: provide a kind of common group box-like working stand, to improve the versatility of working stand, reduce the quantity of special-purpose working stand, reduce manufacturing cost, shorten the manufacturing cycle, save assembling worker-house usable floor area.

The technical solution of the utility model is: the box-like working stand of a kind of common group is characterized in that the box-like working stand of common group is made of following four kinds of elementary cells combination: little terraced unit, frame unit, guardrail unit and floor unit; Frame unit is a square framework, frame welding or riveted joint that this framework is made by 12 section bars form, four jiaos on each surface of frame unit all are welded with measure-alike isosceles right triangle junction plate, and a connecting hole is arranged on the identical position of each junction plate; The guardrail unit is welded to form by upper lateral tube, lower cross plate and standpipe, standpipe has 3～8, evenly distributed, the upper end of standpipe and upper lateral tube welding, the lower end of standpipe and lower cross plate welding, be welded with the attachment lug of two band connecting holes on lower cross plate, attachment lug is uniform along the length of lower cross plate, and the length of upper lateral tube and lower cross plate is equal to or less than the length of side of frame unit; Floor unit is a foursquare metal or non-metal board, its length of side equals the length of side of frame unit, respectively there is a framework connecting hole at four angles in floor unit, the position of these four framework connecting holes is corresponding with the position of last four the junction plate connecting holes in frame unit surface, on four limits of floor unit two guardrail connecting holes are arranged respectively, the position of two guardrail connecting holes is corresponding with the position of attachment lug connecting hole; Little terraced unit is made up of an isosceles right angle triangular prism framework and handrail, the shape of isosceles right angle triangular prism framework is identical with the shape that diagonal along a surface of frame unit cuts remaining half frame unit, 1～3 parallel and evenly distributed foot-operated pipe is arranged on the inclined-plane of isosceles right angle triangular prism framework, and the two ends of foot-operated pipe are welded on the hypotenuse frame of isosceles right angle triangular prism framework; Four fillet welding at two square surfaces of isosceles right angle triangular prism framework are connected to junction plate identical with frame unit, that have connecting hole, and two handrails are welded on respectively on two hypotenuse frames, the triangular surface coplane of handrail and isosceles right angle triangular prism framework.

The utility model has the advantages that: highly versatile, can be combined into different working stands as required, satisfied the needs of different occasions.Make in the aircraft development process, need not make working stand more in a large number, thereby solve in the aircraft development process that working stand manufacturing quantity is more, the manufacturing cost of aircraft is long than large period, the problem of the usable floor area growing tension in assembling worker-house; This working stand can also be used for interim performance, the used temporary platform of meeting simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the medium and small terraced unit of the utility model.

Fig. 3 is the structural representation of the utility model middle frame unit.

Fig. 4 is the structural representation of guardrail unit in the utility model.

Fig. 5 is the structural representation on floor in the utility model.

The specific embodiment

Below the utility model is described in further details.Referring to Fig. 1～5, the box-like working stand of a kind of common group is characterized in that, the box-like working stand of common group is made of following four kinds of elementary cells combination: little terraced unit 1, frame unit 2, guardrail unit 3 and floor unit 4; Frame unit 2 is square frameworks, frame 11 welding or riveted joint that this framework is made by 12 section bars form, four jiaos on frame unit 2 each surface all are welded with measure-alike isosceles right triangle junction plate 12, on the identical position of each junction plate 12 connecting hole 13 are arranged; Guardrail unit 3 is welded to form by upper lateral tube 14, lower cross plate 16 and standpipe 15, standpipe 15 has 3～8, evenly distributed, the upper end of standpipe 15 and upper lateral tube 14 welding, the lower end of standpipe 15 and lower cross plate 16 welding, be welded with the attachment lug 17 of two band connecting holes on lower cross plate 16, attachment lug 17 is uniform along the length of lower cross plate 16, and the length of upper lateral tube 14 and lower cross plate 16 is equal to or less than the length of side of frame unit 2; Floor unit 4 is a foursquare metal or non-metal board, its length of side equals the length of side of frame unit 2, respectively there is a framework connecting hole 18 at four angles in floor unit 4, the position of these four framework connecting holes 18 is corresponding with the position of last four junction plate 12 connecting holes 13 in frame unit 2 surfaces, the position of connecting hole is corresponding on the position that 19, two guardrail connecting holes 19 of two guardrail connecting holes are respectively arranged on four limits of floor unit 4 and attachment lug 17; Little terraced unit 1 is made up of an isosceles right angle triangular prism framework 7 and handrail 8, the shape of isosceles right angle triangular prism framework 7 is identical with the shape that diagonal along 2 one surfaces of frame unit cuts remaining half frame unit 2,1～3 parallel and evenly distributed foot-operated pipe 5 is arranged on the inclined-plane of isosceles right angle triangular prism framework 7, and the two ends of foot-operated pipe 5 are welded on the hypotenuse frame 6 of isosceles right angle triangular prism framework 7; Four fillet welding at two square surfaces of isosceles right angle triangular prism framework 7 are connected to and frame unit 2 junction plates 12 identical, that have connecting hole 13, two handrails 8 are welded on respectively on two hypotenuse frames 6, the triangular surface coplane of handrail 8 and isosceles right angle triangular prism framework 7.

Combined method of the present utility model is: at first be combined into needed workbench with frame unit 2, floor unit 4 and guardrail unit 3, be combined into ladder with little terraced unit 1 and frame unit 2 then and get final product.Use bolt and nut to be connected and fixed between all unit.

Claims

1. the box-like working stand of common group is characterized in that, the box-like working stand of common group is made of following four kinds of elementary cells combination: little terraced unit [1], frame unit [2], guardrail unit [3] and floor unit [4]; Frame unit [2] is a square framework, frame [11] welding or riveted joint that this framework is made by 12 section bars form, four jiaos on each surface of frame unit [2] all are welded with measure-alike isosceles right triangle junction plate [12], on the identical position of each junction plate [12] connecting hole [13] are arranged; Guardrail unit [3] is welded to form by upper lateral tube [14], lower cross plate [16] and standpipe [15], standpipe [15] has 3～8, evenly distributed, the upper end of standpipe [15] and upper lateral tube [14] welding, the lower end of standpipe [15] and lower cross plate [16] welding, be welded with the attachment lug [17] of two band connecting holes on lower cross plate [16], attachment lug [17] is uniform along the length of lower cross plate [16], and the length of upper lateral tube [14] and lower cross plate [16] is equal to or less than the length of side of frame unit [2]; Floor unit [4] is a foursquare metal or non-metal board, its length of side equals the length of side of frame unit [2], respectively there is a framework connecting hole [18] at four angles in floor unit [4], the position of these four framework connecting holes [18] is corresponding with the position of frame unit [2] surface last four junction plates [12] connecting holes [13], on four limits of floor unit [4] two guardrail connecting holes [19] are arranged respectively, the position of two guardrail connecting holes [19] is corresponding with the position that attachment lug [17] is gone up connecting hole; Little terraced unit [1] is made up of an isosceles right angle triangular prism framework [7] and handrail [8], the shape of isosceles right angle triangular prism framework [7] is identical with the shape that diagonal along [2] surfaces of frame unit cuts remaining half frame unit [2], 1～3 parallel and evenly distributed foot-operated pipe [5] is arranged on the inclined-plane of isosceles right angle triangular prism framework [7], and the two ends of foot-operated pipe [5] are welded on the hypotenuse frame [6] of isosceles right angle triangular prism framework [7]; Four fillet welding at two square surfaces of isosceles right angle triangular prism framework [7] are connected to junction plate [12] identical with frame unit [2], that have connecting hole [13], two handrails [8] are welded on respectively on two hypotenuse frames [6], the triangular surface coplane of handrail [8] and isosceles right angle triangular prism framework [7].