CN205476673U - Hinged boom jiffy stand - Google Patents

Abstract

The utility model relates to a hinged boom jiffy stand. The stand is fixed subaerial. Pulley mounting can slide from top to bottom in the stand moving frame. The rear end and the moving frame fixed connection of cantilever, front end have a pin joint, and a fulcrum is fixed to the rear side. The pin joint that carries the outside and the cantilever front end of sweep is articulated, and rear side and fulcrum swing joint through installing the adjustment mechanism on the fulcrum, can adjust the distance of carrying between sweep rear side and the fulcrum, makes to carry sweep outside height when unloaded, and the rear side hangs down. Carry the fully loaded back of sweep, year sweep outside is great towards having a down dip, and inboard slope is then less, carries the sweep and keeps level (it is less than 3/1000ths national standard to accord with the gradient) basically. Drivetrain parts and general structure then adopt ordinary technique. The utility model discloses a scheme is very simple and since make full use of the elastic deformation s of steel under safety allowable stress, the steel quantity can significantly reduce, overall cost can be less than current technical scheme greatly, economic benefits is higher.

Description

A kind of hinged boom jiffy stand

Art

The present invention relates to a kind of new structure for cantilever type mechanical parking frame.

Background technology

The greatest problem of cantilever type mechanical parking frame be intended to allow vehicle-containing after carrying basic holding level (gradient is less than thousand The national standard of/tri-).The most general technical scheme is by the rear end of vehicle-containing and the fixing connection of mobile framework, carries A pair suspension cable is installed in the outside of sweep again and mobile framework connects.In order to make suspension cable not affect contained sedan car door opening, drive The person of sailing comes in and goes out, and the connection of suspension cable and vehicle-containing, mobile framework is designed to activity by some technical schemes.These schemes Technology is feasible, but overall cost is higher.

The purpose of the present invention, it is simply that provide a kind of simple and reliable, vehicle-containing basic holding level after carrying can be allowed (to meet The gradient national standard less than 3/1000ths).The technical scheme that overall cost can be substantially reduced.

Summary of the invention

The present invention is achieved in that column fixes on the ground.Pulley is arranged in mobile framework, can be on column Lower slider.The rear end of cantilever and the fixing connection of mobile framework, there is a pin joint front end, and rear side fixes a fulcrum.Carry The outside of sweep and the pin joint of cantilever front end are hinged, can have certain swing around pin joint.On rear side of vehicle-containing and fulcrum It is flexibly connected, by the governor motion being arranged on fulcrum, the distance on rear side of vehicle-containing and between fulcrum can be regulated, make Height outside during vehicle-containing zero load, rear side is low, and vehicle-containing is towards tilted.After vehicle-containing is fully loaded, cantilever front end decurvation, Being downwardly inclined relatively big outside vehicle-containing, the inclination of inner side is the least, and vehicle-containing holding level substantially can be made (to meet inclination The degree national standard less than 3/1000ths).If the level that load change causes vehicle-containing changes, can be by adjusting Distance between joint mechanism regulation fulcrum and vehicle-containing.Power section and remaining general structure then can use ordinary skill.

Technical scheme is very simple, owing to taking full advantage of steel elastic deformation under safe allowable stress, Rolled steel dosage can greatly reduce, and eliminates again a set of movable drawing cable mechanism, and overall cost can be significantly less than existing skill Art scheme, economic benefit is higher.

Accompanying drawing explanation

Fig. 1 is the structure principle chart of the most general cantilever type mechanical parking frame.

Fig. 2 is technical scheme structure principle chart.

Fig. 3 is the structure principle chart of the horizontal hinged boom mechanical frame for parking vehicle of vehicle-containing.

Fig. 4 is the structure principle chart of the hinged boom mechanical frame for parking vehicle of vehicle-containing longitudinal direction.

Fig. 5 is the axonometric chart of embodiments of the invention 1.

Fig. 6 is the axonometric chart of embodiments of the invention 2.

Referring to the drawings 1: column (1) fixes on the ground, and it is inner that pulley (3) is arranged on mobile framework (2), permissible Slide up and down at column (1).The rear end of vehicle-containing (5) and the fixing connection of mobile framework (2), oblique pull is passed through in outside Rope (4) and mobile framework (2) connect.

Referring to the drawings 2: the rear end of cantilever (6) and the fixing connection of mobile framework (2), rear side fixes a fulcrum (7), There is a pin joint (9) front end, and the outside of vehicle-containing (5) is hinged with it, can make certain pendulum around pin joint (9) Dynamic.Vehicle-containing (5) rear side and fulcrum (7) are flexibly connected.By the governor motion (8) being arranged on fulcrum (7), The distance between vehicle-containing (5) rear side and fulcrum (7) can be regulated.Time unloaded, vehicle-containing (5) is high outside and low outside, With horizontal line shape a in an angle.Full load, the front end decurvation of cantilever (6), vehicle-containing (5) outside is down Tilt is relatively big, and the inclination of inner side is the least, and vehicle-containing (5) can be made substantially to keep level (seeing double setting-outs in figure). If the level that load change causes vehicle-containing (5) changes, governor motion (8) regulation fulcrum (7) can be passed through And the distance between vehicle-containing (5) rear side.

Referring to the drawings 3: vehicle-containing (5) is the most hinged with cantilever (6).

Referring to the drawings 4: vehicle-containing (5) is the most hinged with cantilever (6).But fulcrum (7) is fixed on vehicle-containing Top, governor motion (8) is flexibly connected by soft drag-line (10) and vehicle-containing (5).

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described in further detail.

Referring to the drawings 5: this is the hinged boom jiffy stand embodiment that a vehicle-containing is horizontal, cantilever (6) uses square Shape steel pipe.Fulcrum (7) lower section being fixed on vehicle-containing (5) rear side after one piece of square steel boring.Governor motion (8) Use bolt and nut.Power part ordinary skill binodal oil cylinder (11).

Referring to the drawings 6: this is the hinged boom jiffy stand embodiment that a vehicle-containing is longitudinal.I-shaped used by column (1) Steel making, fixes cantilever (6) employing square tube manufacture on the ground by organizing expansion bolt (23) more, and rear end is welded Several angle bar, the mobile framework (2) of composition.It is inner that pulley (3) is arranged on mobile framework (2), can be in column (1) Slide up and down.4 side roller assemblies (21) are arranged on mobile framework (2), and each side roller assembly (21) is inner Having a truckle, they can fix mobile framework (2) and the distance of column (1) left and right directions, does not hinders Slide up and down.2 the mobile frameworks (2) in left and right are bolted with crosspiece (16), and 2, left and right cantilever (6) is front Hold and connected by stud (26), crown type nut (25), packing ring (27), nut (28).Vehicle-containing (5) is used My another invention " a kind of light and handy vehicle-containing " is changed a little, it would however also be possible to employ ordinary skill.Its outside and sky Mandrel (29) is hinged.Fulcrum (7) is also with the cantilever (6) being fixed on vehicle-containing (5) top after one piece of square steel boring On.Governor motion (8) uses a kind of rope ground tackle, and one has external screw thread, can pass through nut trim locations, separately One is hollow.Soft drag-line (10) uses steel wire rope (can also use chain etc.), fills in wire cable anchor for one The hollow space riveting of tool, the rear side of other end and vehicle-containing (5) is flexibly connected.The most longitudinal at this vehicle-containing In product, fulcrum (7) can also be fixed on the cantilever (6) of vehicle-containing (5) lower section.The present embodiment medium power portion Part uses fixing type electric calabash (12), and the steel wire rope (13) that it is drawn walks around be arranged on crosspiece (16) 2 Group movable pulley (14), and bearing pin (17) is fixing.Electric block (12) and bearing pin (17) are all arranged on crossbeam (15) On, crossbeam (15) is fixed with column (1) again.Fall arrest assembly (22) is drawn 2 cords (20) by crank (19) Driving, crank (19) is arranged on the output shaft of minitype speed reducing motor (18), and (24) are travel switches, these machines Structure includes that automatically controlled part is all ordinary skill, the most no longer describes in detail.

In the present embodiment 2, column (1) main body uses 16# I-steel to manufacture, and cantilever (6) uses 90*90*3 square tube Manufacturing, electric block (12) is fixed with 2 tons 6 meters.

Claims (2)

1. a hinged boom jiffy stand, column (1) fixes on the ground, it is inner that pulley (3) is arranged on mobile framework (2), the rear end of cantilever (6) and the fixing connection of mobile framework (2), it is characterised by that cantilever (6) rear side fixes a fulcrum (7), there is a pin joint (9) front end, the outside of vehicle-containing (5) is hinged with it, rear side and fulcrum (7) are flexibly connected, and governor motion (8) is contained on fulcrum (7).

A kind of hinged boom jiffy stand the most according to claim 1, it is characterised by that fulcrum (7) can be fixed on the cantilever (6) below vehicle-containing (5) rear side, it is also possible to be fixed on the cantilever (6) of vehicle-containing (5) back side top.