CN2392749Y - Device for stopping and berthing at will lifter basket of headgear and gallows frame - Google Patents

Abstract

The utility model relates to a fall preventing device for arbitrarily stopping and berthing a lifter basket of a headgear and a gantry frame, comprising a vertical guide rail clamping mechanism, a hoisting movable pulley mechanism for dragging a sensing rope, and an operating mechanism for regulating the tightening degree of the sensing rope. The operating mechanism can realize the fall preventing automatic protective effects of safely stopping and berthing a lifter basket at an arbitrary position and can realize the anti-drop effect through a planar linkage mechanism and a spatial linkage mechanism. The device has the advantages of reasonable structure, rigorous actions safe operation, safe operation, running, stopping and berthing. The utility model is an ideal mechanical safety device for construction.

Description

Derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device

The utility model relates to the improvement of mine hoist safety facility, specifically is that a kind of derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device, and it belongs to the vehicle for construction field.

Gig is widely used on the vast building site in building engineering, yet owing to many reasons such as long-time running wearing and tearing, burn into overload, impact, roof falls, causing the gig hanging basket directly to weigh down ground-surface accident because of the hoist rope fracture takes place, thereby make personal injury, economic loss and social influence are bigger.A kind of " the disconnected rope of gig fall arrest brake equipment " arranged, and it only can realize disconnected rope fall arrest, and can not realize safety stop, and gig can not be stopped arbitrarily, and operation at any time on this stop position.A kind of coupling type safety stop device is arranged, and it is on the gig Rack Body axis pin base-hitch gear to be set, and utilizes being connected of hook and axis pin base, and hanging basket is rested on the Rack Body.But because the hanging basket stop position is according to the building floor height and definite, and the floor height of different buildings also is different, therefore the axis pin base that welds on Rack Body will be different, this just causes this device installation inconvenience and trouble, and also trouble when using, stop position can not be adjusted accurately, and hook cooperates with latch between the axis pin base and also can occur misplacing, coming off and form new safety hazard.This coupling type stop device can not play instant extension and be inserted into merit when disconnected rope takes place, and does not have anti-fall effect.

The purpose of this utility model is to provide that a kind of derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device, this device can make hanging basket go up at an arbitrary position and can both stop, and have when the generation lifting is disconnected in operational process restricts, reliably hanging basket is stopped and is fixed on the Rack Body immediately, to realize stopping and the anti-fall dual-use function safety performance of raising gig.

Task of the present utility model is finished by following technical scheme, developed a kind of derrick and portal frame gig hanging basket is stopped arbitrarily, anti-fall device, it comprises: symmetry is installed in the clamping mechanism of clamping down on the perpendicular guide rail of hanging basket on the hanging basket top cross-bar two ends, the sensing rope of hinged two these mechanisms, hang the derrick line or the lifting movable pulley mechanism of this rope, described sensing rope is to be hinged on respectively on the arm-tie of two these clamping mechanisms with two ends, and in the middle of two plates, walk around symmetrical two of installing respectively from two arm-ties and regulate the moving sliding thumb wheels of sensing rope level of tightness, hang again on the derrick line of traction hanging basket, or hang on the equalizer pulley of lifting movable pulley mechanism, constitute the sensing rope under the tensioned state; Described moving sliding thumb wheel is except leading on the sensing rope with its well base rim pressure, the wheel shaft of this thumb wheel also is hinged with the short fork of " L " shape rotation bar respectively, the corner of two rotation bars cuts with scissors solid at the hanging basket top symmetrically by fixed hinge, the long fork of two rotation bars trackslips sleeve respectively in the long guide of two long sleeve bars, and in this tube, trackslip and move axially, the other end of two these bars is hinged with two short sleeve bars respectively by hinges, in the short-range missile tube of two these bars, be inserted with two pendulum driving levers respectively, the other end of two these driving levers symmetry and being fixed on abreast in the frame linking on the pivot, should cut with scissors solid by fixed hinge in middle pivot two ends at the hanging basket top, an end of pivot also is installed with the bull stick of dialling that radial drive is somebody's turn to do middle pivot in this, the other end of this group bull stick is hinged with connecting rod by hinges, the other end of this connecting rod is hinged on the manual joystick, framves are locked in two grades of location of operation that this joystick is provided with and stop, have constituted two kinds of mode of operations of the operation or the stop of whole hanging basket.

Described manual joystick, it can be the rocker mechanism that is provided with flexible axle rim brake location, promptly on the hanging basket support body, cut with scissors an end of intrinsic rocking bar, and on the hanging basket support body of this end, be installed with fan-shaped location lock frame, the protruding pin of spring location is set on the close rocking bar of this lock frame, and by the flexible axle rim brake in the rocking bar other end is controlled detent on the fan-shaped arc edge that this protruding pin inserts this lock frame, this groove is provided with two at least, with as the location lock frame of stopping and move two grades; Be hinged with group bull stick pivotally attached connecting rod in the appropriate position of rocking bar.

Described manual joystick, it can also be that lever is dialled tongue formula detent mechanism, promptly on the hanging basket support body, cut with scissors an end of solid rocking bar, and on the hanging basket support body of this end, be installed with fan-shaped location lock frame, on near the rocking bar of this lock frame, cut with scissors intrinsic " L " shape fork allocation tongue pin by hinge, " L " shape corner of this tongue pin is the hinge of hinge, the stock outside of this tongue pin is provided with the fastening screw of projection, this latch just in time can be inserted in the detent on the fan-shaped arc edge that embeds this lock frame, the quarter butt inboard of this tongue lock also contacts on the terminal head of lever handle, this handle is solid on the other end of rocking bar by fulcrum hinge hinge, fulcrum hinge place at this handle also is provided with "T"-shaped boss, is fixed with compression spring by the protruding bolt clipping that is located at the adjusting bolt on this boss and be located on this tongue pin stock medial surface between this boss and this tongue pin stock medial surface; This tongue pin is an axle with the hinge of its " L " shape corner, and under the stirring of this handle and under the compression spring compressing, do relatively should the lock frame is fan-shaped to radially wobble, formation rocking bar and lever handle thereof are positioned in the stop detent of this lock frame or are positioned in the operation detent of this lock frame; Be hinged with the connecting rod of dialling bull stick in the appropriate position of rocking bar.

Described lifting movable pulley mechanism, be to be installed with two risers at the hanging basket top, in the symmetrically arranged extension chute in two riser tops, be hung with the wheel shaft of the lifting movable pulley that is wound with derrick line, be provided with concentric bearing pin at wheel shaft one end, cared for extension spring on this bearing pin, this spring other end is stretched on the hitching post that hangs over the riser bottom, also cuts with scissors an intrinsic suspending bars on this bearing pin, the intrinsic equalizer pulley of hanging the sensing rope of lower end hinge of this bar; Two risers and the lifting movable pulley of hanging thereof hang jointly and draw load-bearing in the single-piece barrel structure.

The described clamping mechanism of clamping down on the perpendicular guide rail of hanging basket, it is by being provided with three arm-tie and sensing rope pivotallys attached that are the hinge button composition of equicrural triangle, buckling respectively in two haunch places of arm-tie hinge again, articulating has pull bar, two pull bars pass the guide hole on the baffle plate that is fixed on the hanging basket top separately, and be coated with compression spring, this spring roof pressure is at this baffle plate and be fixed between the two circular arc post blocks on the pull bar other end, in two relative these block cracks of circular arc cylinder, the sliding folder of the two pull bar other ends is hinged on the rod end of the minor face bar of " L " shape shift fork that has guide groove, the corner of two these shift forks cuts with scissors respectively by the fixing two ends of hinge and tiltedly clamps on the balladeur train in splayed admittedly, have on the long side rod of two these shift forks and lead allocating slot, vertically be hinged with slide deflector rod in two these allocating slots respectively, after the splayed of the other end of two slide deflector rods passing with one heart respectively symmetrically tiltedly clamps guide runner on the two relative sliding nippers of balladeur train, connect again admittedly and carry on the back on the protruding body face at the oblique pincers of corresponding braking piece dovetail form, tiltedly the sliding pincers of the protruding body face of the back of the body of pincers piece are fixed in the dovetail furrow body of sliding nipper, and relative two vice jaw surfaces of being controlled each self-corresponding tiltedly pincers piece by two these slide deflector rods apply the perpendicular guide rail of hanging basket and clamp or the action that gets loose.

Described moving sliding thumb wheel, it can be fixed on the short fork termination of " L " shape rotation bar, and promptly this weak point fork termination is the fork termination of spill circular arc, and leads slip on the sensing rope with the recessed edge pressure of the rod end of its spill circular arc.

The short fork of described moving sliding thumb wheel and bonded assembly " L " shape fork thereof; it is taken turns and the short fork formation cam that can be integrated; its wheel shaft hinge is solid on the fixed hinge of " L " shape rotation bar corner, and this cam also is to press with its well base rim to lead slip on the sensing rope.

Advantage of the present utility model has: owing on the sensing rope that the former clamping mechanism of clamping down on perpendicular guide rail of hanging basket is tightened the moving sliding thumb wheel of regulating this rope level of tightness is set, this is taken turns by the space of the spatial linkage wobbling action that trackslips, the sensing rope is led hold clamping mechanism that perpendicular guide rail is applied and clamp or the operation that gets loose, with the control operation that realizes stopping or moving.Owing to be installed with lifting movable pulley mechanism at the hanging basket top, utilize the riser movable pulley axle-extension chute-extension spring-suspending bars of this mechanism and organic cooperation of equalizer pulley thereof, realize the fast loosening sensing rope of disconnected rope, to realize the action of clamping down on perpendicular guide rail of this clamping mechanism, reach the anti-fall purpose of disconnected rope.The experiment proved that: this apparatus structure is reasonable, flexible movements, and laborsaving reliable clamping reaches safe operation, stop, anti-fall ideal effect.

Embodiment accompanying drawings of the present utility model is as follows:

Fig. 1 is for derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device structure general assembly scheme drawing (in the running state);

Fig. 2 is for derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device structure general assembly scheme drawing (in the stop state);

Fig. 3 is the lifting movable pulley structural representation (partial rear view of Fig. 1) of this device;

Fig. 4 is this device rim brake rocker mechanism scheme drawing;

Fig. 5 is the clamping mechanism shaft side figure of the perpendicular guide rail of this device;

Fig. 6 is the structural representation of cam for the moving sliding thumb wheel of this device.

Make derrick and portal frame gig hanging basket is stopped arbitrarily, anti-fall device referring to Fig. 1-5, comprise: symmetry is installed in the clamping mechanism of clamping down on the perpendicular guide rail of hanging basket on the hanging basket 1 top cross-bar two ends, the sensing rope 22 of hinged two these mechanisms, the derrick line 29 or the lifting movable pulley mechanism of hanging this rope 22.Described sensing rope 22 is to be hinged on respectively on the arm-tie 35 of two these mechanisms with its two ends 21, and between two arm-ties 35, walk around symmetrical two of installing respectively from the arm-tie 35 at two ends 21 and regulate the moving sliding thumb wheels 20 of sensing rope level of tightness, hang at the derrick line 29 of traction hanging basket 1 again or hang on the equalizer pulley 23 of lifting movable pulley mechanism, constitute the sensing rope 22 of tensioned state.It leads described moving sliding thumb wheel 20 on sensing rope 22 except pressing with its well base rim, and the wheel shaft of this thumb wheel 20 also is hinged with the short fork 24 of " L " shape rotation bar 18-24 respectively.Solid riser 30 roots at the hanging basket top cut with scissors symmetrically by fixed hinge 19 in the corner of this rotation bar 18-24.The long fork 18 of this rotation bar 18-24 trackslips sleeve respectively in the long guide of two long sleeve bars 17, and trackslips in this tube and move axially, and serves as that axle drives sliding thumb wheel 20 swings and sensing rope 22 applied the control of tightness with fixed hinge 19.The other end of two these bars 17 is hinged with two short sleeve bars 15 respectively by hinges 16.In the short-range missile tube of two these bars 15, be inserted with the other end symmetry of two pendulum driving levers, 36, two these driving levers 36 respectively and be fixed on abreast in the frame linking on the pivot 13.Should cut with scissors solid by fixed hinge 14 in middle pivot 13 two ends at hanging basket 1 top.An end of pivot 13 also is installed with group bull stick 12 that radial drive is somebody's turn to do middle pivot 13 in this.The other end of this group bull stick 12 is hinged with connecting rod 11 by hinges 12 ', and the other end of this connecting rod 11 is hinged on the manual joystick.Framves are locked in two retaining location of operation that this joystick is provided with and stop, have constituted two kinds of mode of operations of the operation or the stop of whole hanging basket 1.

The manual joystick that this device adopted is a kind of rocker mechanism that is provided with flexible axle rim brake location.As shown in Figure 4, on hanging basket 1 support body, cut with scissors an end of intrinsic rocking bar 50, and on hanging basket 1 support body of this end, be installed with fan-shaped location lock frame 8 by hinge 9.Near the protruding pin 55 that spring 54 location are set on the rocking bar 50 of this lock frame 8, and by flexible axle 53 rim brakes 52 in rocking bar 50 other ends are controlled detent 58 on the fan-shaped arc edge of these protruding pin 55 these lock framves 8 of insertion.This groove 58 is provided with two at least, to lock framves 8 as two grades of location stopping and move.Appropriate position at rocking bar 50 is hinged with group bull stick 12 pivotally attached connecting rods 11 by hinge 10.

This device also can adopt lever to dial tongue formula detent mechanism.As shown in Figure 1, on hanging basket 1 support body, cut with scissors an end of solid rocking bar 7, and on hanging basket 1 support body of this end, be installed with fan-shaped location lock frame 8 by hinge 9.Cut with scissors intrinsic " L " shape fork allocation tongue pins 5 by hinge 6 near the rocking bar 7 of this lock frame 8, " L " shape corner of this tongue pin 5 is the hinge of hinge 6.The stock of this tongue pin 5 outside is provided with the fastening screw 5 ' of projection, and this latch 5 ' just in time can be inserted in the detent 8 ' on the fan-shaped arc edge that embeds this pin frame 8.The quarter butt inboard of this tongue pin 5 also contacts on the terminal head of lever handle 33, and this handle 33 is solid on the other end of rocking bar 7 by fulcrum hinge 2 hinges, and fulcrum hinge 2 places at this handle 33 also are provided with "T"-shaped boss 3.Gripped compression spring 4 by being located at adjusting bolt 3 ' on this boss 3 and the protruding bolt that is located on these tongue pin 5 stock medial surfaces between this boss 3 and this tongue pin 5 stock medial surfaces, this spring 4 can force the fastening screw 5 ' in the stock outside of this tongue pin 5 to be inserted in the detent 8 ' that embeds this lock frame 8.This tongue pin 5 is an axle with its " L " shape corner hinge 6, again under the stirring of this handle 33 and under the compressing of spring 4, do relatively that this lock frame 8 is fan-shaped to radially wobble, constitute in the stop detent 8 ' that rocking bar 7 and lever handle 33 thereof be positioned this lock frame 8 or be positioned in the operation detent 8 ' of this lock frame 8, be hinged with group bull stick 12 pivotally attached connecting rods 11 by hinge 10 in the appropriate position of rocking bar 7.

Referring to Fig. 1, Fig. 2, Fig. 3, the designed lifting movable pulley mechanism of this device is installed with two risers 30 at hanging basket 1 top, is hung with the wheel shaft 27 of the lifting movable pulley 28 that is wound with derrick line 29 in the symmetrically arranged extension chute 30 ' in two risers, 30 tops.Be provided with concentric bearing pin 26 at wheel shaft 27 1 ends, cared for extension spring 31 on this bearing pin 26.These spring 31 other ends are stretched on the hitching post 32 that hangs over riser 30 bottoms, also cut with scissors an intrinsic suspending bars 25 on this bearing pin 26, the intrinsic equalizer pulley 23 of hanging sensing rope 22 of lower end hinge of this bar 25.Two risers 30 and the lifting movable pulley of hanging 28 thereof hang jointly and draw load-bearing in the single-piece barrel structure.

The clamping mechanism of clamping down on hanging basket 1 perpendicular guide rail that this device is designed, referring to Fig. 5, this mechanism forms arm-tie 35 and sensing rope 22 pivotallys attached by being provided with three hinge buttons 34 that are equicrural triangle.Again on the hinge button 34 at two haunch places of arm-tie 35 respectively articulating have pull bar 37, two pull bars 37 to pass guide hole 39 ' on the baffle plate 39 that is fixed on hanging basket 1 top separately, and be coated with compression spring 47.These spring 47 roof pressures are at this baffle plate 39 and be fixed between the two circular arc post blocks 38 on pull bar 37 other ends.In two relative these block 38 cracks of the face of cylinder, the sliding folder of two pull bars, 37 other ends is hinged on the rod end of the minor face bar of " L " shape shift fork 40 that has guide groove 48.The corner of two these shift forks 40 cuts with scissors respectively by the fixing two ends of hinge 41 and tiltedly clamps on the balladeur train 44 in splayed admittedly.Have on the long side rod 46 of two these shift forks 40 and lead allocating slot 49, vertically be hinged with slide deflector rod 42 respectively in two these allocating slots 49, after the splayed of the other end of two slide deflector rods 42 passing with one heart respectively symmetrically tiltedly clamps the guide runner 45 of two relative sliding nippers 44 ' of balladeur train 44, connect again and carry on the back on the protruding body face admittedly at the dovetail form of brake clamp piece 43 accordingly.Tiltedly the sliding pincers of the protruding body face of the back of the body of pincers piece 43 are fixed in the dovetail furrow body of sliding nipper 44 '.Relative two vice jaw surfaces of being controlled each self-corresponding tiltedly pincers piece 43 by two these slide deflector rods 42 apply the clamping or the action that gets loose to hanging basket 1 perpendicular guide rail cylinder.

When changing cam 60 into referring to the moving sliding thumb wheel 20 of this device of Fig. 6, this takes turns the hinge that 60 wheel shaft is fixed hinge 19, and this takes turns the 60 long forks 18 that are connected with " L " shape rotation bar.This takes turns other structure of 60 bonded assemblys is handled sensing rope 22 with former adjusting operating mechanism.

The practical situation of hanging basket hoisting is as follows in the derrick of this device on being applied to the building ground: when material elevator hanging basket 1 is raised to a certain floor height and stops, holding lever handle 33 by the employee in hanging basket 1 exit depresses, this handle 33 serves as that axle is made the dead axle lever action with fixed pivot hinge 2, and " T " boss 3 at fulcrum hinge 2 places of this handle 33 is stirred tongue pin 5 and swung to the right around its hinge 6.The fastening screw 5 ' in the stock outside of this tongue pin 5 is deviate from from the detent 8 ' of location lock frame 8 with these tongue pin 5 swings.When the employee drives rocking bar 7 and compression spring 4 to pressing down this handle again, hinge 2 "T"-shaped boss 3, tongue pin 5, regulate bolt 3 ' hinge 6 and do the dead axle swing downwards around fixed hinge 9, after reaching stop position, the employee looses one's grip, and the fastening screw 5 ' on tongue pin 5 stocks inserts left under the effect of compression spring 4 to be guaranteed in the stop detent 8 ' of locking frame in the location to pin.At this moment, the connecting rod 11 that is hinged on the rocking bar 7 drives pivot 13 rotations one angle in group bull stick 12 radial drive frame linkings by hinge 12 '.Like this should in pivot 13 can drive this bar 15 sliding swings with the cylindrical pair that two short sleeve bars 15 form respectively by the two pendulum driving levers 36 that connect on the solid pivot 13 therein, this bar 15 drives the 17 sliding swings of long sleeve bar by hinges 16 again, long sleeve bar 17 also forms cylindrical pair with long fork 18, this pair drives long fork 18 in the long guide of this bar 17 again and trackslips moving and " L " shape rotation bar 18-24 is rotated around fixed hinge 19, thereby drives two moving sliding thumb wheels 20 swings and sensing rope 22 is applied loosening control.Because sensing rope 22 is loosening, make the compression spring 47 of clamping mechanism do axially to shift moving along the guide hole on the baffle plate 39 39 ' by semicolumn block 38 sliding pushing drawing rods 37, the minor face bar by sliding pushing " L " shape of two semicolumn blocks, 38 folders shift fork 40 is done on the dead axle group around fixing hinge 41 again.The allocating slot 49 of leading on the long side rod 46 of this shift fork 40 drives again in the guide runner 45 of slide deflector rod 42 on sliding nipper 44 ' in its groove 49 and moves up, make sliding nipper 44 ' slide to clamp solid braking tiltedly to clamp piece 43 along the dovetail furrow translation that makes progress, be clamped on the perpendicular guide rail thereby make this tiltedly clamp piece 43, realize that hanging basket rests on the Rack Body.

Normally in service at the gig hanging basket, braking tiltedly pincers piece 43 does not apply clamping action to perpendicular guide rail.This is owing to press the moving sliding thumb wheel 20 that leads by its wheel shaft pivotally attached " L " shape rotation bar 18-24 on the sensing rope 22; At fixed hinge 19, and by long, short sleeve bar 17,15 hinges 16 and long fork 18, under the effect of the spatial linkage that the two secondary cylindrical pairs that pendulum driving lever 36 forms respectively constitute, sensing rope 22 pressed to lead tighten, then should detain 34 by hinge by rope 22, arm-tie 35, pull bar 37, baffle plate 39, compression spring 47, two semicolumn blocks 38, " L " shape shift fork 40, fixedly hinge 41, slide deflector rod 42, splayed tiltedly clamps balladeur train 44, sliding nipper 44 ' and, braking is the clamping mechanism of composition such as pincers piece 43 grades tiltedly, remain this jaw that tiltedly clamps piece 43 and be separated from perpendicular guide rail, and this rail is not carried out clamping.The running state that keeps the not clamping of this clamping mechanism, also to lean on and dial bull stick 12 and connecting rod 11 on pivot 13 in the frame linking of manipulation space connecting rod mechanism and its 13, operation detent mechanism on the manual joystick, to moving sliding thumb wheel 20 positioning control, finish not clamping of the clamping mechanism running state of hanging basket 1.

When this device disconnects at derrick line 29, because whip-gin mechanism and the common regulating action of clamping mechanism can make sensing rope 22 fluff rapidly, to realize the final clamping action of clamping mechanism.The concrete structure action relationships is as follows: when derrick line 29 disconnected, movable pulley 28 can move downward under the combined action of extension spring 31 and compression spring 47.Because an end of this spring 31 is hung on the bearing pin 26 on the wheel shaft 27 of movable pulley 28, the end that hangs of this spring 31 is then stretched on the hitching post 32 that hangs over riser 30 bottoms.And the wheel shaft 27 of movable pulley 28 is hung in the extension chute 30 ' of riser 30 again in this groove 30 ' upper end.Therefore mainly be that movable pulley 28 can move down rapidly under these spring 31 effects.So simultaneously, hinge solid on movable pulley 28 wheel shafts 27 suspending bars 25 and the equalizer pulley 23 of lower end, also just move down rapidly thereupon, this sensing rope 22 that just causes hanging on this pulley 23 fluffs.Since fluffing of sensing rope 22, again by arm-tie 35 in the clamping mechanism of clamping down on hanging basket 1 perpendicular guide rail, pull bar 37, compression spring 47, semicolumn block 38, " L " shape shift fork 40 parts such as grade make the oblique pincers of braking piece 43 move up, and then are clamped on the perpendicular guide rail.Because hanging basket 1 can make tiltedly pincers piece 43 reinforcements of braking from escheat, and hanging basket 1 is clamped on the perpendicular guide rail more securely, reaches the anti-fall purpose of disconnected rope.

Claims (7)

1, a kind of derrick and portal frame gig hanging basket are stopped arbitrarily, anti-fall device, it comprises: symmetry is installed in the clamping mechanism of clamping down on the perpendicular guide rail of hanging basket on the hanging basket top cross-bar two ends, the sensing rope of hinged two these mechanisms, hang the derrick line or the lifting movable pulley mechanism of this rope, it is characterized in that: described sensing rope is to be hinged on respectively on the arm-tie of two these clamping mechanisms with two ends, and in the middle of two plates, walk around symmetrical two of installing respectively from two arm-ties and regulate the moving sliding thumb wheels of sensing rope level of tightness, hang again on the derrick line of traction hanging basket, or hang on the equalizer pulley of lifting movable pulley mechanism, constitute the sensing rope under the tensioned state; Described moving sliding thumb wheel is except leading on the sensing rope with its well base rim pressure, the wheel shaft of this thumb wheel also is hinged with the short fork of " L " shape rotation bar respectively, the corner of two rotation bars cuts with scissors solid at the hanging basket top symmetrically by fixed hinge, the long fork of two rotation bars trackslips sleeve respectively in the long guide of two long sleeve bars, and in this tube, trackslip and move axially, the other end of two these bars is hinged with two short sleeve bars respectively by hinges, in the short-range missile tube of two these bars, be inserted with two pendulum driving levers respectively, the other end of two these driving levers symmetry and being fixed on abreast in the frame linking on the pivot, should cut with scissors solid by fixed hinge in middle pivot two ends at the hanging basket top, an end of pivot also is installed with the bull stick of dialling that radial drive is somebody's turn to do middle pivot in this, the other end of this group bull stick is hinged with connecting rod by hinges, the other end of this connecting rod is hinged on the manual joystick, the operation that this joystick is provided with and two grades of locating dowel pin framves of stop have constituted two kinds of mode of operations of the operation or the stop of whole hanging basket.

2, stop arbitrarily according to described derrick of claim 1 and portal frame gig hanging basket, anti-fall device, it is characterized in that: described manual joystick, it can be the rocker mechanism that is provided with flexible axle rim brake location, promptly on the hanging basket support body, cut with scissors an end of intrinsic rocking bar, and on the hanging basket support body of this end, be installed with fan-shaped location lock frame, the protruding pin of spring location is set on the close rocking bar of this lock frame, and by the flexible axle rim brake in the rocking bar other end is controlled detent on the fan-shaped arc edge that this protruding pin inserts this lock frame, this groove is provided with two at least, to lock frame as the location of stopping and move two grades; Be hinged with group bull stick pivotally attached connecting rod in the appropriate position of rocking bar.

3, stop arbitrarily according to described derrick of claim 1 and portal frame gig hanging basket, anti-fall device, it is characterized in that: described manual joystick, it can also be that lever is dialled tongue formula detent mechanism, promptly on the hanging basket support body, cut with scissors an end of solid rocking bar, and on the hanging basket support body of this end, be installed with fan-shaped location lock frame, on near the rocking bar of this lock frame, cut with scissors intrinsic " L " shape fork allocation tongue pin by hinge, " L " shape corner of this tongue pin is the hinge of hinge, the stock outside of this tongue pin is provided with the fastening screw of projection, this latch just in time can be inserted in the detent on the fan-shaped arc edge that embeds this lock frame, the quarter butt inboard of this tongue lock also contacts on the terminal head of lever handle, this handle is solid on the other end of rocking bar by fulcrum hinge hinge, fulcrum hinge place at this handle also is provided with "T"-shaped boss, is fixed with compression spring by the protruding bolt clipping that is located at the adjusting bolt on this boss and be located on this tongue pin stock medial surface between this boss and this tongue pin stock medial surface; This tongue pin is an axle with the hinge of its " L " shape corner, and under the stirring of this handle and under the compression spring compressing, do relatively should the lock frame is fan-shaped to radially wobble, formation rocking bar and lever handle thereof are positioned in the stop detent of this lock frame or are positioned in the operation detent of this lock frame; Be hinged with the connecting rod of dialling bull stick in the appropriate position of rocking bar.

4, according to described derrick of claim 1 and portal frame gig hanging basket stop arbitrarily, anti-fall device, it is characterized in that: described lifting movable pulley mechanism, be to be installed with two risers at the hanging basket top, in the symmetrically arranged extension chute in two riser tops, be hung with the wheel shaft of the lifting movable pulley that is wound with derrick line, be provided with concentric bearing pin at wheel shaft one end, cared for extension spring on this bearing pin, this spring other end is stretched on the hitching post that hangs over the riser bottom, also cut with scissors an intrinsic suspending bars on this bearing pin, the intrinsic equalizer pulley of hanging the sensing rope of lower end hinge of this bar; Two risers and the lifting movable pulley of hanging thereof hang jointly and draw load-bearing in the single-piece barrel structure.

5, stop arbitrarily according to described derrick of claim 1 and portal frame gig hanging basket, anti-fall device, it is characterized in that: the described clamping mechanism of clamping down on the perpendicular guide rail of hanging basket, it is by being provided with three arm-tie and sensing rope pivotallys attached that are the hinge button composition of equicrural triangle, buckling respectively in two haunch places of arm-tie hinge again, articulating has pull bar, two pull bars pass the guide hole on the baffle plate that is fixed on the hanging basket top separately, and be coated with compression spring, this spring roof pressure is at this baffle plate and be fixed between the two circular arc post blocks on the pull bar other end, in two relative these block cracks of circular arc cylinder, the sliding folder of the two pull bar other ends is hinged on the rod end of the minor face bar of " L " shape shift fork that has guide groove, the corner of two these shift forks cuts with scissors respectively by the fixing two ends of hinge and tiltedly clamps on the balladeur train in splayed admittedly, have on the long side rod of two these shift forks and lead allocating slot, vertically be hinged with slide deflector rod in two these allocating slots respectively, after the splayed of the other end of two slide deflector rods passing with one heart respectively symmetrically tiltedly clamps guide runner on the two relative sliding nippers of balladeur train, connect again admittedly and carry on the back on the protruding body face at the oblique pincers of corresponding braking piece dovetail form, tiltedly the sliding pincers of the protruding body face of the back of the body of pincers piece are fixed in the dovetail furrow body of sliding nipper, and relative two vice jaw surfaces of being controlled each self-corresponding tiltedly pincers piece by two these slide deflector rods apply the perpendicular guide rail of hanging basket and clamp or the action that gets loose.

6, according to described derrick of claim 1 and portal frame gig hanging basket stop arbitrarily, anti-fall device; it is characterized in that: described moving sliding thumb wheel; it can be fixed on the short fork termination of " L " shape rotation bar; promptly this weak point fork termination is the fork termination of spill circular arc, and leads slip on the sensing rope with the recessed edge pressure of the rod end of its spill circular arc.

7, according to described derrick of claim 1 and portal frame gig hanging basket stop arbitrarily, anti-fall device; it is characterized in that: the short fork of described moving sliding thumb wheel and bonded assembly " L " shape fork thereof; it is taken turns and the short fork formation cam that can be integrated; its wheel shaft hinge is solid on the fixed hinge of " L " shape rotation bar corner, and this cam also is to press with its well base rim to lead slip on the sensing rope.

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