CN201647865U

CN201647865U - Self lifting expansion crane device

Info

Publication number: CN201647865U
Application number: CN2010201711633U
Authority: CN
Inventors: 邓昕; 李国丰; 王福平; 李皊
Original assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Current assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date: 2010-04-26
Filing date: 2010-04-26
Publication date: 2010-11-24
Anticipated expiration: 2020-04-26

Abstract

The utility model belongs to aircraft ground equipment, in particular to a self lifting expansion crane device of an engine room crane device, which comprises a stand column which is arranged on a base, a boom is arranged on the top portion of the stand column, one end of a support rod is arranged on the middle portion of the stand column, the other end is connected with the middle portion of the boom, various parts are in a mode of using fork ears and bolts to connect, and a big sleeve rod, a middle sleeve rod and a small sleeve rod are orderly sleeved and can be telescopically adjusted. The self lifting expansion crane device of an engine room crane device is convenient to load, unload and transport, reduces the volume when transporting, is convenient to use, and is portable and ingenious.

Description

From the lift telescopic lifting appliance

Technical field

The utility model belongs to the aircraft floor lifting appliance, particularly relates to a kind of from the lift telescopic lifting appliance.

Background technology

In to aircraft maintenance or erection work, usually to carry out the ground lifting, as lifting to seat and canopy to the equipment in the aircraft cockpit.The lifting appliance of existing various aircraft, of a great variety, function singleness; Heavy Weight not only, volume is big, and can not fold, and transportation, transition are inconvenient especially.Particularly for the dismounting of the arm of the lifting appliance of large aircraft all be by large-scale crane lifting install, dismounting, there is not Telescopic, not only increase manpower, large-scale lifting appliance, and increased the time of maintenance, repair, reduced the supportability of aircraft.Therefore, such ground lifting appliance uses and cuts to all extremely inconvenient.

Summary of the invention

The purpose of this utility model is, the lifting of equipment such as domestic all aircraft seats that a kind of universal telescopic lifting appliance satisfies kind of different model and canopy is provided, and the lifting, the loading and unloading that have changed arm rely on the mode of large-scale lifting appliance lifting, can rely on self derricking gear lifting voluntarily, loading and unloading, equipment is narrowed down to a very little volume, feasible transportation and easy to use.

For achieving the above object, the utility model has been taked following technical scheme, from the lift telescopic lifting appliance, comprise: column is installed on the base, and arm is installed on the column top, and strut one end is loaded on the middle part of column, the other end is connected with the middle part of arm, it is characterized in that:

(1) fixed pulley fixedly is equipped with at an end top of described arm, and there is Caster the side position, and the other end is equipped with monaural A, and the ears C at monaural A and little loop bar top is hinged, and the middle part of arm is provided with ears A, and ears A is connected with the monaural C of strut,

(2) described column comprises big loop bar, middle loop bar and little loop bar, little loop bar is set in the middle loop bar, middle loop bar is set in the big loop bar, the upper end of big loop bar and the bottom of middle loop bar, in the upper end of loop bar is corresponding with the bottom of little loop bar is provided with mutually perpendicular aperture, big loop bar, middle loop bar, the taper pin captive joint of little loop bar by inserting in the aperture, the side of middle loop bar lower end is provided with ears C, the side of big loop bar bottom is provided with ears B, ears D is equipped with at little loop bar top, and the side is fixed with pulley, circular cable wire link is housed on the pulley, one end of 2# cable wire connects circular cable wire link, the other end of 2# cable wire is equipped with strainer, hook with safety tong A is equipped with on the top of strainer, and hook with safety tong A is connected with safety hook E

(3) respectively there are a safety hook B, safety hook C in the two ends of described 1# cable wire, safety hook and winch mechanism the 3# cable wire on safety hook D be connected, the 1# cable wire is walked around the pulley of arm top fixed pulley and column top-side,

(4) base plate of described base is installed with column bearing and winch mechanism, hound fixedly is equipped with in the front and back of column bearing, be wound with the 3# cable wire on the winch mechanism, one safety hook D is housed on the 3# cable wire, hound top, front and back is provided with fixed bearing with holes, be inserted with the quick-release pin in the fixed bearing of corresponding front and back hound, on the fixed bearing of hound rim lock is housed, top has a square tube to be connected between two hounds between winch mechanism and the big loop bar, fixed pulley is housed on the square tube, and the column bearing is connected with the monaural B of big loop bar one end, and two sides of base plate are provided with U-shaped cable wire link, be wound with the 4# cable wire of band safety hook E on the link

(5) two ends of described strut are provided with monaural C, monaural D, and the ears at monaural C and column middle part are connected, and monaural D is connected with ears A on the arm.

The utility model has the advantages that, thereby satisfy the requirement of the sling height of various aircraft by the independent assortments of three joint loop bars, and dismounting the time by the free and relaxed dismounting of manpower crank capstan mechanism, equipment can be compressed to a very little volume and be convenient to transportation.

Description of drawings

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

Fig. 2 is Fig. 1

central post

2 and 2# cable wire 212 structural front view

Fig. 3 is Fig. 1

central post

2 and 2# cable wire 212 structure side views

Fig. 4 is 4 a front view of base among Fig. 1

Fig. 5 is 4 a birds-eye view of base among Fig. 1

Fig. 6 is the structural representation of 1# cable wire 3 among Fig. 1

Fig. 7 is the structural representation of strut 5 among Fig. 1

Fig. 8 is the structural representation of arm 1 among Fig. 1

Fig. 9 is the scheme drawing of the utility model when loading and unloading state voluntarily

Figure 10 is a maximum height view of the present utility model

Figure 11 is a medium altitude view of the present utility model

Figure 12 is a minimum altitude view of the present utility model

The specific embodiment

Now the utility model is described in further detail in conjunction with the accompanying drawings, referring to Fig. 1-8, from the lift telescopic lifting appliance, comprise: column 2 is installed on the base 4, arm 1 is installed on column 2 tops, strut 5 one ends are loaded on the middle part of column 2, the other end is connected with the middle part of arm 1, fixed pulley 13 fixedly is equipped with at one end top of arm 1, there is Caster 14 the side position, and the other end is equipped with monaural A 11, and monaural A 11 is hinged with the ears C 29 at little loop bar 28 tops, the middle part of arm 1 is provided with ears A 12, and ears A 12 is connected with the monaural C 51 of strut 5; Column 2 comprises big loop bar 25, middle loop bar 26 and little loop bar 28, little loop bar 28 is set in the middle loop bar 26, middle loop bar 26 is set in the big loop bar 25, the bottom of the upper end of big loop bar 25 and middle loop bar 26, in the upper end of loop bar 26 is corresponding with the bottom of little loop bar 28 is provided with mutually perpendicular aperture, big loop bar 25, middle loop bar 26, taper pin 213 captive joints of little loop bar 28 by inserting in the aperture, the side of middle loop bar 26 lower ends is provided with ears C 27, the side of big loop bar 25 bottoms is provided with ears B 22, ears D 29 is equipped with at little loop bar 28 tops, and the side is fixed with pulley 210, circular cable wire link 211 is housed on the pulley 210, one end of 2# cable wire 212 connects circular cable wire link 211, the other end of 2# cable wire 212 is equipped with strainer 24, hook with safety tong A 23 is equipped with on the top of strainer 24, and hook with safety tong A 23 is connected with safety hook E 412; Respectively there are a safety hook B 31, safety hook C 32 in the two ends of 1# cable wire 3, and the safety hook D 411 on 48 the 3# cable wire 49 of safety hook 31 and winch mechanism is connected, and 1# cable wire 3 is walked around the pulley 210 of arm 1 top fixed pulley 13 and column 2 top-side; The base plate 45 of base 4 is installed with column bearing 43 and winch mechanism 48, hound 47 fixedly is equipped with in the front and back of column bearing 43, be wound with 3# cable wire 49 on the winch mechanism 48, one safety hook D 411 is housed on the 3# cable wire 49, hound 47 tops, front and back are provided with fixed bearing with holes, be inserted with quick-release pin 46 in the fixed bearing of corresponding front and back hound 47, rim lock 41 is housed on the fixed bearing of hound 47, winch mechanism 48 has a square tube 413 to be connected with 47 tops of two hounds between the big loop bar 25, fixed pulley 42 is housed on the square tube 413, column bearing 43 is connected with the monaural B 21 of big loop bar 25 1 ends, two sides of base plate 45 are provided with U-shaped cable wire link 44, are wound with the 4# cable wire 410 of band safety hook E 412 on the link 44; The two ends of strut 5 are provided with monaural C 51, monaural D 52, and monaural C 51 is connected with the ears 27 at column 2 middle parts, and monaural D 52 is connected with ears A 12 on the arm 1.

During the lifting of lifting appliance, earlier the safety hook A 23 on two 2# cable wires about on the column 2 is connected with two full suspension hook E 412 of 4# cable wire 410 on the base 4 respectively, tighten the strainer 24 on the 2# cable wire 212 then respectively, the safety hook D 411 on the 3# cable wire 49 on the safety hook B 31 on the 1# cable wire 3 and the winch mechanism 48 is connected.At last the full suspension hook C 32 on the 1# cable wire 3 being hung on that engine room facilities just shaken with the handle of winch mechanism 48 can landing.

When carrying out the adjusting of height, unclamp the strainer 24 on the 2# cable wire 212, two safety hook A on the 2# cable wire 23 and full suspension hook E 412 are thrown off, and full suspension hook B 31 on the 1# cable wire 3 and 411 disengagements of the safety hook D on the 3# cable wire 49 on the winch mechanism 48, appoint and to get a safety hook A 23 and safety hook D 411 connects, open rim lock 41 and extract quick-release pin 46, oppositely crank capstan mechanism 48 slips in the pulley groove of fixed pulley C 42 2# cable wire 212 column 2 is slowly put down, after treating that Caster 14 lands, extract the taper pin 213 on big loop bar 25 and the middle loop bar 26, in loop bar [26] push in the big loop bar [25], plug two taper pins 213, column column 2 risen fix, rise with the process of fixed hoisting device and column 2 to unclamp the process of putting down reverse, so just finished second highly the adjusting.Minimum if desired height just must be thrown off the monaural C on the strut 5 51 earlier with the ears 27 at column 2 middle parts, again little loop bar 28 is pushed in the middle loop bar 26, plug two taper pins 213, monaural C 51 on the strut 5 is connected with ears B 22 on the big loop bar 25, column column 2 is risen and fixing.

The utility model can be realized two kinds of functions, the one, from the realization of elevating function, referring to Fig. 9, the lifting of lifting arm by crank capstan mechanism utilize cable wire with the arm pull-up, put down.When this mechanism lifting appliance, the safety hook B of 2# cable wire is a bonded assembly on the safety hook A of 1# cable wire and the winch mechanism cable wire, when the installation of needs self, the strainer of 4# cable wire is unscrewed, make the safety hook C on it and the 3# cable wire throw off, the safety hook B of the strainer of 4# cable wire and 2# cable wire is connected, with winch mechanism the 4# cable wire has slowly been shaken along fixed pulley A, up lift thereby drive the triangle arm, plug the quick-release pin on the base and lock rim lock when perpendicular to the ground when arm reaches.

The 2nd, height adjustment, referring to Figure 10-12, can combine is three kinds of sling heights.Referring to Figure 10, connect on the loop bar and with two taper pins during big loop bar is enclosed within and go up and stamp spring cotter, in loop bar be enclosed within on the little loop bar and with two taper pins connections upward and stamp spring cotter, realize first kind of height the highest; Referring to Figure 11, taper pin and spring cotter during big loop bar is enclosed within on the loop bar are extracted, and connect and stamp second kind of medium altitude of spring cotter realization in the loop bar and with two taper pins during loop bar drops in making; Referring to Figure 12, ears B on the monaural B of hound and the middle loop bar is thrown off, in the loop bar taper pin and the spring cotter that are enclosed within on the little loop bar extract, little loop bar is dropped in middle loop bar and the big loop bar, and go up and stamp spring cotter with two taper pins connections and form minimum height, and monaural B that throws off from hound and the ears A on the big loop bar connected, thereby satisfy the differing heights lifting demand of cabin lifting appliance.

Claims

1. from the lift telescopic lifting appliance, comprising: column [2] is installed on the base [4], and arm [1] is installed on column [2] top, and strut [5] one ends are loaded on the middle part of column [2], and the other end is connected with the middle part of arm [1], it is characterized in that:

(1) fixed pulley [13] fixedly is equipped with at an end top of described arm [1], there is Caster [14] the side position, the other end is equipped with monaural A[11], monaural A[11] with the ears C[29 at little loop bar [28] top] hinged, the middle part of arm [1] is provided with ears A[12], ears A[12] with the monaural C[51 of strut [5]] be connected

(2) described column [2] comprises big loop bar [25], middle loop bar [26] and little loop bar [28], little loop bar [28] is set in the middle loop bar [26], middle loop bar [26] is set in the big loop bar [25], the bottom of the upper end of big loop bar [25] and middle loop bar [26], in the upper end of loop bar [26] is corresponding with the bottom of little loop bar [28] is provided with mutually perpendicular aperture, big loop bar [25], middle loop bar [26], taper pin [213] captive joint of little loop bar [28] by inserting in the aperture, the side of middle loop bar [26] lower end is provided with ears C[27], the side of big loop bar [25] bottom is provided with ears B[22], ears D[29 is equipped with at little loop bar [28] top], and the side is fixed with pulley [210], circular cable wire link [211] is housed on the pulley [210], one end of 2# cable wire [212] connects circular cable wire link [211], the other end of 2# cable wire [212] is equipped with strainer [24], hook with safety tong A[23 is equipped with on the top of strainer [24]], hook with safety tong A[23] with safety hook E[412] be connected

(3) respectively there is a safety hook B[31 at the two ends of described 1# cable wire [3]], safety hook C[32], safety hook D[411 on the 3# cable wire [49] of [48] of safety hook [31] and winch mechanism] be connected, 1# cable wire [3] is walked around the pulley [210] of arm [1] top fixed pulley [13] and column [2] top-side

(4) base plate [45] of described base [4] is installed with column bearing [43] and winch mechanism [48], hound [47] fixedly is equipped with in the front and back of column bearing [43], be wound with 3# cable wire [49] on the winch mechanism [48], one safety hook D[411 is housed] on the 3# cable wire [49], hound [47] top, front and back is provided with fixed bearing with holes, be inserted with quick-release pin [46] in the fixed bearing of corresponding front and back hounds [47], rim lock [41] is housed on the fixed bearing of hound [47], top has a square tube [413] to be connected between two hounds [47] between winch mechanism [48] and the big loop bar [25], fixed pulley [42] is housed on the square tube [413], the monaural B[21 of column bearing [43] and big loop bar [25] one ends] be connected, two sides of base plate [45] are provided with U-shaped cable wire link [44], be wound with band safety hook E[412 on the link [44]] 4# cable wire [410]

(5) two ends of described strut [5] are provided with monaural C[51], monaural D[52], monaural C[51] be connected monaural D[52 with the ears [27] at column [2] middle part] with arm [1] on ears A[12] be connected.