A kind of movable expanding fall arrest crane
Technical field
This utility model is related to a kind of crane, specifically a kind of movable expanding fall arrest crane.
Background technology
In actual life, traditional high-rise working tool scaffold all can be used in a lot of fields, carrys out aloft operation, comes
Solve the thing that some are not reached, with the progress of people, crane instead of traditional high-rise working work
Tool scaffold, but general crane structure is single, manpower transport will be leaned on to move, but also do not have safety measure to tackle unexpected peace
Full accident.
Utility model content
The purpose of this utility model is to provide a kind of movable expanding fall arrest crane, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, this utility model provides following technical scheme:
A kind of movable expanding fall arrest crane, including base, Telescopic support, transmission lowering or hoisting gear, fall arrest
Device, fixing device and universal caster wheel;Described retractable supports are erected at chassis interior, and two Telescopic supports are respectively provided at
Two ends about base, are fixed and welded together with base inner surface;Steel wire rope fixed block is located at the top of Telescopic support, with
Scalable fixed mount is fixed together;Described transmission lowering or hoisting gear is located at the inner side of the top Telescopic support of base,
Connected by falling proof device and base;Described transmission lowering or hoisting gear is provided with hanging basket, steel substrate, motor, firm banking, tiltedly
Gear, drive link, rolling bearing, capstan winch and steel wire rope;Described motor is located at the bottom centre of hanging basket, by firm banking with
Hanging basket is fixed together;Described helical gear is sleeved in the rotating shaft of motor, with motor fixation inlay together with;Described
Drive link is located at helical gear rear side, is meshed together by screw thread and helical gear;Described rolling bearing is located at the left and right of hanging basket
Inside two sides, there are two, be set in the two ends of drive link, be fixed together with hanging basket side;Described capstan winch sets
In the inside of Telescopic support, have at two two ends end points being set in drive link, be fixedly connected on one with drive link
Rise;Described steel wire rope one end is connected with steel wire rope fixed block, and one end is linked together with capstan winch;Described steel substrate is located at helical teeth
The top of wheel, horizontal positioned, it is fixed and welded together with the inwall of hanging basket;Described falling proof device is provided with to be cut arm, cuts arm and fix
Block and lifting hydraulic cylinder;Described arm of cutting is located at hanging basket bottom, is fixed with hanging basket bottom and base upper surface by cutting arm fixed block
Connect, the two neighboring end points cutting arm is respectively articulated with together, the two intersecting intersection points cutting arm are hinged;Described raise-lower hydraulic
Cylinder is located at the two intersecting intersection point both sides cutting arm, stretches with the lifting of hanging basket;Foot stool fixing device is located at the left and right two of base
Side, is fixedly connected with base outer wall;Described foot stool fixing device is provided with supporting cylinder, foot rest fixed block and foot rest.
As further program of the utility model:Described universal caster wheel is located at the bottom of base, has four, fixes respectively
At four angles of base bottom.
As further program of the utility model:Described supporting cylinder bottom is fixedly connected with the outer wall of base, top
The support bar at end is hinged with the fixation of foot rest fixed block.
Compared with prior art, the beneficial effects of the utility model are:
This utility model structure is simple, reasonable in design, and this movable expanding fall arrest crane comes than traditional crane
Say that telescopic function has saved substantial amounts of space it is achieved that easily place can be moved, and be equipped with safety devices, ensure
Operating personnel aloft operation when safety.
Brief description
Fig. 1 is the structural representation of movable expanding fall arrest crane;
Fig. 2 is the structural representation of actuating device in movable expanding fall arrest crane.
In figure:1- base, the scalable hydraulic support frame of 2-, 3- steel wire rope, 4- steel wire rope fixed block, 5- hanging basket, 6- steel
Base plate, 7- is driven lowering or hoisting gear, 8- drive link, 9- capstan winch, 10- supporting cylinder, 11- foot rest fixed block, 12- foot rest, 13- ten thousand
To castor, 14- falling proof device, 15- lifting hydraulic cylinder, 16- cuts arm, and 17- cuts arm fixed block, 18- foot stool fixing device, 19-
Firm banking, 20- motor, 21- helical gear, 22- rolling bearing.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1-2, a kind of movable expanding fall arrest crane, including base 1, scalable hydraulic support frame 2, pass
Dynamic lowering or hoisting gear 7, falling proof device 14, fixing device 18 and universal caster wheel 13;Described scalable hydraulic support frame 2 is located at base
Inside 1, two scalable hydraulic support frames 2 are respectively provided at base 1 about two ends, and the fixing welding with base 1 inner surface, by liquid
Pressure device ejects step by step makes equipment can be raised to object height;Described steel wire rope fixed block 4 is located at scalable hydraulic support frame 3
Top, is fixed together with scalable fixed mount 3;Described transmission lowering or hoisting gear 7 is located at the scalable hydraulic pressure in top of base 1
The inner side of bracing frame 2, is linked together by falling proof device 14 and base 1;Described transmission lowering or hoisting gear 7 is provided with hanging basket 5, steel
Matter base plate 6, motor 20, firm banking 19, helical gear 21, drive link 8, rolling bearing 22, capstan winch 9 and steel wire rope 3;Described electricity
Motivation 20 is located at the bottom centre of hanging basket 5, is fixed together with hanging basket 5 by firm banking 19, rises and provides a system to move
The effect of power;Described helical gear 21 is sleeved in the rotating shaft of motor 20, with motor 20 fixation inlay together with, rise change pass
The effect in dynamic direction;Described drive link 8 is located at the rear side of helical gear 21, is meshed together by screw thread and helical gear 21, rises and passes
Pass the effect of motor 20 power;Described rolling bearing 22 is located inside the left and right sides of hanging basket 5, has two, is set with
At the two ends of drive link 8, it is fixed together with hanging basket 5 side, the effect playing fixed conveyor bar 8 and making rotating bar 8 rotate;
Described capstan winch 9 is located at the inside of scalable hydraulic support frame 2, has at two two ends end points being set in drive link 8, with biography
Lever 8 is fixed together, and drives hanging basket 5 to rise by lay winding wire ropes 3;Described steel wire rope 3 one end is solid with steel wire rope
Determine block 4 to connect, one end is linked together with capstan winch 9, act the effect carrying hanging basket 5 gravity;Described steel substrate 6 is located at helical gear
21 top, horizontal positioned, it is fixed and welded together with the inwall of hanging basket 5;Described falling proof device 14 is provided with to be cut arm 16, cuts arm
Fixed block 17 and lifting hydraulic cylinder 15;Described arm 16 of cutting is located at hanging basket 5 bottom, by cut arm fixed block 17 and hanging basket 5 bottom and
Base 1 upper surface is fixedly connected, and the two neighboring end points cutting arm 16 is respectively articulated with together, and the two intersecting intersection points cutting arm 16 are hinged
Together, act the effect supporting hanging basket 5;Described lifting hydraulic cylinder 15 is located at the two intersecting intersection point both sides cutting arm 16, with hanging basket 5
Lifting and stretch, act the effect of arm 16 of cutting that supports, prevent from making because of equipment fault hanging basket 5 fall suddenly;Described foot rest is fixed
Device 18 is located at the left and right sides of base 1, is fixedly connected with base 1 outer wall;Described foot stool fixing device 18 is provided with support hydraulic pressure
Cylinder 10, foot rest fixed block 11 and foot rest 12;Described supporting cylinder 10 bottom is fixedly connected with the outer wall of base 1, top
Strut is hinged with foot rest fixed block 11 fixation, so that foot rest 12 is rotated down when operation by supporting cylinder 10, with
Equipment jack-up is fixed in ground contact;Described universal caster wheel 13 is located at the bottom of base 1, has four, is separately fixed at base 1
At four angles of bottom, play the effect of mobile device.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Make a variety of changes.