CN208593854U - Cabin device for discharging - Google Patents

Abstract

The utility model discloses a kind of cabin devices for discharging, including pedestal, cantilever is provided on pedestal, lateral feeding device and longitudinal feeding device are provided on cantilever, the storage bin for connecting lateral feeding device is provided on pedestal, longitudinal feeding device includes the bracket being provided on the cantilever, chain bucket lifting device is provided on bracket, the discharge end of chain bucket lifting device is connected with material guide device by slewing equipment, material guide device connects lateral feeding device, the feed end of chain bucket lifting device is provided with material-gathering device, traction device is provided between material guide device and bracket, lifting and guiding device is provided between material guide device and the bracket, traction device is connected with traction drive.The utility model the material of powdery, granular and blocky etc. shapes can be carried out ship-discharging operation, accurately adjust high and low position, the material in cabin, the material especially at accommodation bulkhead can be unloaded it is clean thoroughly.

Description

Cabin device for discharging

Technical field

The utility model relates to a kind of ship unloading equipments, more particularly, to a kind of cabin device for discharging.

Background technique

Cabin discharging mostly uses lifting device by the vertical promotion of material elder generation, later by the material of vertical promotion by guide component It imports cross conveyer and carries out lateral transfer to transporting equipment or storage equipment.But had the following problems in operation at present: one That the current most equipment of cabin delivery device is huge, structure is complicated, inconvenient for use, second is that the material of Ship Transportation have coal, cement, Stone, sand, ore etc., shape has powdery, granular and blocky etc. various shapes, and equipment used in cabin discharging is adopted more at present Discharge operation is carried out to powdery in cabin and granular material with spiral equal conveying equipments, using grab type equipment in cabin Block-like material carries out discharge operation, and the two cannot be used with, and otherwise will cause block-like material makes spirally to wait conveying equipments stifled Plug or damage and grab type equipment can not unload phenomenon to powdery and granular material, pole not only is caused to cabin discharge operation Big influence can not carry out effective and thorough unloading to powdery in cabin, granular and blocky etc. material blended together.Third is that In actual job, because in cabin material with discharge operation progress due to gradually reduce, for by cabin material, especially lean on Material at nearly accommodation bulkhead unloads clean thorough, it is necessary to which lifting means constantly moves and rotation is adjusted, but mesh Fore hold delivery device is mostly to reduce efficiency using fixed lifting means improving material；Or it is used to install using rotation The mode of the cantilever of lifting means is adjusted, and structure is complicated, and cantilever adjustment amplitude is big, Adjusting accuracy bottom, lifting means High and low position is not easy to control, reduces efficiency.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of structures simply, can be to powdery, grain in cabin The material of various shapes such as shape and bulk carries out the cabin device for discharging of ship-discharging operation.This cabin device for discharging also can be quasi- simultaneously The high and low position of the lifting means of true adjustment cabin delivery device, and can by cabin material, especially close to ship Material at the bulkhead of cabin unloads clean thorough.

In order to solve the above technical problems, the technical solution of the utility model is: cabin device for discharging, including pedestal, it is described It is provided with cantilever on pedestal, lateral feeding device and longitudinal feeding device are provided on the cantilever, is provided on the pedestal The storage bin of the lateral feeding device is connected, the longitudinal direction feeding device includes the bracket being provided on the cantilever, described Chain bucket lifting device is provided on bracket, the discharge end of the chain bucket lifting device is connected with material guide device by slewing equipment, The material guide device connection lateral feeding device, the feed end of the chain bucket lifting device is provided with material-gathering device, described It is provided with traction device between material guide device and the bracket, lifting guiding is provided between the material guide device and the bracket Device, the traction device are connected with traction drive.

As a preferred technical solution, the chain bucket lifting device include it is cylindric promote shell, in the promotion shell It is provided with hoisting frame, the hoisting frame top is provided with driving shaft, and the hoisting frame bottom end is provided with driven shaft, the driving shaft On be provided with two drive sprockets, driven sprocket corresponding with two drive sprockets, the driven sprocket are provided on the driven shaft The promotion shell is stretched out, two conveyor chains, two carrier chains are arranged in parallel between the drive sprocket and driven sprocket Several hoppers are disposed between item, the driving shaft is sequentially connected with lifting driving device, and the promotion case top is set It is equipped with discharge barrel, the promotion housing tip cover is buckled with case cover.

As improvement to above-mentioned technical proposal, the material-gathering device includes being oppositely arranged on the outside of the promotion housing bottom There is shaft of gathering materials, helical blade is provided in the shaft of gathering materials, shaft of gathering materials described in driving is provided on the promotion shell The driving device of gathering materials of rotation, the shaft of gathering materials drive helical blade to rotate to conveying at the promotion shell.

As improvement to above-mentioned technical proposal, the material guide device includes feed tube, the tilted setting of feed tube There is stock guide, the stock guide side is fixedly connected with the guide tube inner surface, it is provided with rotary hole in the middle part of the stock guide, The blocking cylinder to extension above the feed tube is provided at the periphery of the rotary hole, the promotion upper part of the housing passes through described Rotary hole, the discharge barrel outlet end are protruded between the feed tube and blocking cylinder, and the stock guide is located in the feed tube Lower end is provided with discharge nozzle, and the discharge nozzle is connected with telescoping tube, the telescoping tube connection lateral feeding device.

As improvement to above-mentioned technical proposal, the slewing equipment includes that the feed tube top is provided with lower retaining ring, The promotion upper part of the housing passes through the lower retaining ring and is provided with the upper retaining ring being set in the lower retaining ring, the lower retaining ring bottom Portion is provided with the lower stopper that downward inner retainer extends, and the upper retaining ring top peripheral side is provided with and the lower stopper cooperation Upper stopper, the lower stopper peripheral side are provided with gyration gear ring, and turning motor, the revolution electricity are provided on the promotion shell Machine output end is sequentially connected with revolution gearbox, and the revolution gear box output end is sequentially connected with to be engaged with the gyration gear ring Revolution driving gear.

As improvement to above-mentioned technical proposal, the feed tube includes cylindric lower shell and round table-like upper cylinder Body, the lower shell and upper shell are connected as one, and the stock guide is set in the lower shell, the blocking cylinder top and institute It is concordant to state lower shell top；The protection cylinder to extension below the lower shell is provided at the periphery of the rotary hole, it is described anti- Casing bottom end is concordant with the lower shell bottom end, and connection is closed between the protection cylinder bottom end and the lower shell bottom end.

As improvement to above-mentioned technical proposal, the lifting and guiding device includes that the guiding being installed on the bracket is slided Slot is provided with gib block in the guide chute, and the gib block is fixedly connected with the feed tube.

As improvement to above-mentioned technical proposal, the traction device includes the fixed pulley for being installed on the cantilever tip Group is provided with running block corresponding with the fixed pulley group in the feed tube, between the fixed pulley group and running block It is wound with hauling rope, the hauling rope connects the traction drive.

As improvement to above-mentioned technical proposal, the transverse direction feeding device is screw conveyor or belt conveyor.

As improvement to above-mentioned technical proposal, rotation is provided with middle stand on the pedestal, and the middle stand transmission connects It is connected to middle stand driving device, is provided with middle stand on the middle stand, the cantilever is located at the middle stand side and described Cantilever one end and the middle stand are hinged, and the cantilever other end is provided with mounting platform, and the bracket is installed on the installation On platform, cantilever drag-line is provided between the cantilever and the middle stand, the cantilever drag-line is connected with cantilever drag-line elevator Machine；The middle stand is upper to be provided with counter-jib in the middle stand other side；The base bottom is provided with traveling wheel.

The cabin device for discharging of above-mentioned technical proposal is provided with cantilever, the cantilever due to using on the pedestal On be provided with lateral feeding device and longitudinal feeding device, the storing for connecting the lateral feeding device is provided on the pedestal Storehouse, the longitudinal direction feeding device includes the bracket being provided on the cantilever, and chain bucket lifting device, institute are provided on the bracket The discharge end for stating chain bucket lifting device is connected with material guide device, the material guide device connection lateral conveying by slewing equipment Device, the feed end of the chain bucket lifting device are provided with material-gathering device, are provided between the material guide device and the bracket Traction device, is provided with lifting and guiding device between the material guide device and the bracket, the traction device is connected with traction Driving device, the utility model, by the material elder generation vertical promotion in cabin, are led by material guide device later by chain bucket lifting device Enter lateral feeding device and carry out lateral transfer to storage bin, realizes to powdery in cabin, granular and blocky etc. of various shapes Material carries out ship-discharging operation, while slewing equipment and material-gathering device enable the utility model by the material, especially in cabin Be proximate to that the material at accommodation bulkhead unloads it is clean thoroughly；Chain bucket is accurately adjusted by traction device and lifting and guiding device to mention Rise device high and low position, the high and low position of chain bucket lifting device it is easily controllable, structure is simple, it is easy to use, unloading it is high-efficient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model cabin device for discharging；

Fig. 2 is the schematic diagram of longitudinal feeding device of the utility model cabin device for discharging；

Fig. 3 is the schematic diagram of the chain bucket lifting device of the utility model cabin device for discharging；

Fig. 4 is the schematic diagram of the slewing equipment of the utility model cabin device for discharging；

Fig. 5 is the schematic diagram of the traction device of the utility model cabin device for discharging；

Fig. 6 is the schematic diagram of the material guide device of the utility model cabin device for discharging；

Fig. 7 is the top view of the material guide device of the utility model cabin device for discharging；

Fig. 8 is the top view of the anti kickback attachment of the utility model cabin device for discharging；

In figure: 1- cantilever；11- mounting platform；12- pedestal；13- traveling wheel；14- transverse direction feeding device；15- storage bin； 16- telescoping tube；Stand in 17-；2- chain bucket lifting device；21- material-gathering device；22- discharge barrel；23- promotes shell；24- is promoted Frame；25- hopper；26- conveyor chain；27- anti-turn ratchet；28- anti-turn pawl；29- anti-turn pawl adjusting screw；3- Feed tube；31- upper shell；32- lower shell；33- blocking cylinder；34- stock guide；35- discharge nozzle；36- protection cylinder；4- traction volume Raise machine；41- mounting platform fixed pulley；5- fixed pulley group；6- running block；7- lifting and guiding device；8- bracket；9- revolution dress It sets；The upper retaining ring of 91-；Retaining ring under 92-；93- gyration gear ring.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim Range.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, cabin device for discharging, including pedestal 12 is provided on the pedestal 12 Cantilever is provided with lateral feeding device 14 and longitudinal feeding device on the cantilever, is provided with described in connection on the pedestal 12 The storage bin 15 of lateral feeding device 14, the longitudinal direction feeding device includes the bracket being provided on the cantilever, and bracket 8 can be adopted With tower structure, chain bucket lifting device is provided on the bracket, the discharge end of the chain bucket lifting device passes through revolution dress It sets and is connected with material guide device, the material guide device connection lateral feeding device 14, the feed end of the chain bucket lifting device It is provided with material-gathering device, traction device, the material guide device and the branch are provided between the material guide device and the bracket Lifting and guiding device is provided between frame, the traction device is connected with traction drive.The utility model is mentioned by chain bucket Device is risen by the material elder generation vertical promotion in cabin, lateral feeding device 14 is imported by material guide device later and carries out lateral transfer extremely It is transported after storage bin 15, realizes and ship-discharging operation is carried out to powdery in cabin, granular and blocky etc. material of various shapes, simultaneously Slewing equipment 9 and material-gathering device 21 enable the utility model by cabin material, especially at accommodation bulkhead Material unloads clean thorough；High and low position, chain bucket lifting device 2 are accurately adjusted by traction device and lifting and guiding device 7 High and low position it is easily controllable, structure is simple, unload it is high-efficient.The transverse direction feeding device 14 is that screw conveyor or belt are defeated Send machine.

As shown in Figures 2 and 3, the chain bucket lifting device 2 include it is cylindric promote shell 23, in the promotion shell 23 It is provided with hoisting frame 24,24 top of hoisting frame is provided with driving shaft, and 24 bottom end of hoisting frame is provided with driven shaft, institute It states and is provided with two drive sprockets on driving shaft, driven sprocket corresponding with two drive sprockets is provided on the driven shaft, it is described Driven sprocket stretches out the promotion shell 23, and two conveyor chains 26 are arranged in parallel between the drive sprocket and driven sprocket, Several hoppers 25 are disposed between two conveyor chains 26, the driving shaft is sequentially connected with lifting driving device, mentions Motor drive gear mode can be used by rising driving device.It is provided with discharge barrel 22 at the top of the promotion shell 23, it is described It promotes 23 tip shroud of shell and is buckled with case cover.The material-gathering device 21 includes that 23 Basolateral of promotion shell is relatively set with Gather materials shaft, helical blade is provided in the shaft of gathering materials, shaft of gathering materials described in driving is provided on the promotion shell 23 The driving device of gathering materials of rotation, the shaft of gathering materials drive helical blade to rotate to conveying at the promotion shell 23；Gather materials drive Dynamic device can use motor drive gear mode.Cylindric promotion shell 23, it is other shapes of compared to square tube etc. to mention Rise shell, not only facilitate processing, improve intensity, convenient for turning round, while also reduce equipment when marine high wind is blown by Power, use are more stable.As shown in figure 8, being provided with anti-turn ratchet 27 on the driving shaft, is promoted and pass through pawl on shell 23 Seat is provided with the anti-turn pawl 28 cooperated with anti-turn ratchet 27 to prevent driving shaft from reversing, and anti-turn is provided on pawl base Abjection when pawl adjusting screw 29 is to prevent anti-turn pawl 28 from working.

As shown in Fig. 3, Fig. 6 and Fig. 7, the material guide device includes feed tube 3, and tilted be provided with of feed tube 3 is led Flitch 34,34 side of stock guide are fixedly connected with 3 inner surface of feed tube, are provided with revolution in the middle part of the stock guide 34 Hole is provided with the blocking cylinder 33 extended above the feed tube 3,23 top of promotion shell at the periphery of the rotary hole Across the rotary hole, 22 outlet end of discharge barrel is protruded between the feed tube 3 and blocking cylinder 33, in the feed tube 3 34 lower end of stock guide is provided with discharge nozzle 35, the discharge nozzle is connected with telescoping tube 16, and the telescoping tube 16 connects Connect the lateral feeding device 14.When work, chain bucket lifting device 2 turns round in rotary hole, what chain bucket lifting device 2 was promoted Material is poured down or forth on the inclined stock guide 34 in rotary hole side through the discharge barrel 22 of chain bucket lifting device 2, is realized by blocking cylinder 33 Backgauge prevents material from falling into rotary hole and interferes the revolution of chain bucket lifting device 2, and material slides at 34 lower end discharge nozzle 35 of stock guide, Lateral feeding device 14, which is imported, via discharge nozzle 35 and telescoping tube 16 carries out lateral transfer.And feed tube 3 includes cylindric Lower shell 32 and round table-like upper shell 31, the lower shell 32 and upper shell 31 are connected as one, and the stock guide is set to institute State in lower shell 32, by upper shell 31 can will surround at the top of chain bucket lifting device in 31 barrel chamber of upper shell, it is therefore prevented that chain The spilling of dust, protects air environment when the lifting device 2 that struggles against discharges.And 33 top of blocking cylinder and the lower shell 32 push up Hold level with both hands together, may make and be located in 31 barrel chamber of upper shell at the top of chain bucket lifting device 2, and the discharge barrel 22 of chain bucket lifting device 2 is stretched In to lower shell 32, between blocking cylinder 33 and lower shell 32, effectively prevents material and fall into rotary hole.And it can be in rotary hole Periphery at be provided with the protection cylinder 36 extended below the lower shell 32,36 bottom end of protection cylinder and the lower shell 32 bottom ends are concordant, and connection is closed between 32 bottom end of 36 bottom end of the protection cylinder and the lower shell, to chain bucket lifting device 2 Protection and supporting & stablizing are played the role of in revolution.

As shown in Figure 2, Figure 3 and Figure 4, the slewing equipment 9 includes that 3 top of feed tube is provided with lower retaining ring 92, institute It states and promotes 23 top of shell across the lower retaining ring 92 and be provided with the upper retaining ring 91 being set in the lower retaining ring 92, under described 92 bottom of retaining ring is provided with the lower stopper of downward 92 internal stretch of retaining ring, the upper 91 top peripheral side of retaining ring be provided with it is described The upper stopper of lower stopper cooperation, the lower stopper peripheral side is provided with gyration gear ring 93, is provided with back on the promotion shell 23 Rotating motor, turning motor output end are sequentially connected with revolution gearbox, and the revolution gear box output end is sequentially connected with and institute State the revolution driving gear of the engagement of gyration gear ring 93.And it can be provided with bearing between upper stopper and lower stopper again, improve and turn Dynamic performance.

As shown in Figure 2 and Figure 5, the lifting and guiding device 7 includes the guide chute being installed on the bracket 8, described Gib block is provided in guide chute, the gib block is fixedly connected with the feed tube 3, can be using solid in 3 side of feed tube Surely four gib blocks are connected with, corresponding four guide chutes are provided on bracket 8, so that lifting carriage is steady, according to reality Handling situations, gib block and corresponding guide chute quantity can also use other numbers such as 5 or 6.

As shown in Figure 2 and Figure 5, the traction device includes the fixed pulley group 5 for being installed on 8 top of bracket, described to lead It is provided with running block 6 corresponding with the fixed pulley group on barrel 3, is wound between the fixed pulley group 5 and running block 6 There is hauling rope, the hauling rope connects the traction drive.

As shown in Figure 1, rotation is provided with middle stand on the pedestal 12, the middle stand is sequentially connected with middle stand driving Device, middle stand driving device can be connected with middle stand tooth using the speed changer of motor drive connection, the variator It takes turns, is provided with the middle stand gear ring mode engaged with driving gear on the middle stand；Middle stand is provided on the middle stand 17, the cantilever is located at middle 17 side of stand and described cantilever one end and the middle stand are hinged, the cantilever other end It is provided with mounting platform, the bracket is installed on the mounting platform, is provided between the cantilever and the middle stand 17 Cantilever drag-line, the cantilever drag-line are connected with cantilever drag-line hoist engine；The middle stand is upper in middle 17 other side of stand It is provided with counter-jib；12 bottom of pedestal is provided with traveling wheel 13, mobile convenient for carrying out equipment according to operating environment.

As shown in Figure 2 and Figure 5, the traction drive can be using the traction volume being installed on the mounting platform 11 Machine 4 is raised, the mounting platform 11 is provided with mounting platform fixed pulley 41, and one end of hauling rope is fixed at fixed pulley group 5, another End introduces rack winch 4 after sequentially passing through running block 6, fixed pulley group 5 and mounting platform fixed pulley 41, by rolling up to traction The lifting of chain bucket lifting device 2 is realized in the control for raising machine 4.It is same that two pulley wheels can be respectively adopted in running block 6 and fixed pulley group 5 Axis mode arranged side by side, such hauling rope can pass through running block 6 and fixed pulley group 5 is slided through mounting platform surely afterwards twice Rack winch 4 is introduced after wheel 41, reduces the stress of hauling rope between running block 6 and fixed pulley group 5.It is steady to go up and down, it can be with Using four groups of running blocks 6 and fixed pulley group 5, it is set to 3 two sides of feed tube two-by-two, is respectively arranged on mounting platform 11 and side Running block 6 and the corresponding rack winch 4 of fixed pulley group 5 and mounting platform fixed pulley 41, every group of running block 6 and fixed pulley Group 5 is provided with hauling rope, and two ipsilateral hauling ropes introduce rack winch 4 after mounting platform fixed pulley 41.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (10)

1. cabin device for discharging, including pedestal, it is provided with cantilever on the pedestal, lateral feeding device is provided on the cantilever With longitudinal feeding device, the storage bin for connecting the lateral feeding device is provided on the pedestal, it is characterised in that: described vertical Include the bracket being provided on the cantilever to feeding device, chain bucket lifting device is provided on the bracket, the chain bucket mentions The discharge end for rising device is connected with material guide device, the material guide device connection lateral feeding device, institute by slewing equipment The feed end for stating chain bucket lifting device is provided with material-gathering device, and traction dress is provided between the material guide device and the bracket It sets, lifting and guiding device is provided between the material guide device and the bracket, the traction device is connected with traction drive dress It sets.

2. cabin device for discharging as described in claim 1, it is characterised in that: the chain bucket lifting device includes cylindric promoted Shell, hoisting frame is provided in the promotion shell, and the hoisting frame top is provided with driving shaft, the hoisting frame bottom end setting Have driven shaft, two drive sprockets be provided on the driving shaft, be provided on the driven shaft it is corresponding with two drive sprockets from Movable sprocket, the driven sprocket stretch out the promotion shell, it is defeated to be arranged in parallel with two between the drive sprocket and driven sprocket Chain is sent, several hoppers are disposed between two conveyor chains, the driving shaft is sequentially connected with lifting driving device, The promotion case top is provided with discharge barrel, and the promotion housing tip cover is buckled with case cover.

3. cabin device for discharging as claimed in claim 2, it is characterised in that: the material-gathering device includes the promotion shell bottom End outside is relatively set with shaft of gathering materials, and helical blade is provided in the shaft of gathering materials, is provided with drive on the promotion shell The driving device of gathering materials of the dynamic shaft rotation of gathering materials, the shaft of gathering materials drive helical blade to rotate at the promotion shell Conveying.

4. cabin device for discharging as claimed in claim 2, it is characterised in that: the material guide device includes feed tube, described to lead Barrel is tilted to be provided with stock guide, and the stock guide side is fixedly connected with the guide tube inner surface, in the stock guide Portion is provided with rotary hole, and the blocking cylinder to extension above the feed tube, the promotion are provided at the periphery of the rotary hole Upper part of the housing passes through the rotary hole, and the discharge barrel outlet end is protruded between the feed tube and blocking cylinder, the feed tube Upper to be located at the stock guide lower end and be provided with discharge nozzle, the discharge nozzle is connected with telescoping tube, described in the telescoping tube connection Lateral feeding device.

5. cabin device for discharging as claimed in claim 4, it is characterised in that: the slewing equipment includes the feed tube top It is provided with lower retaining ring, the promotion upper part of the housing passes through the lower retaining ring and is provided with the upper gear being set in the lower retaining ring Circle, the lower retaining ring bottom are provided with the lower stopper that downward inner retainer extends, the upper retaining ring top peripheral side be provided with The upper stopper of the lower stopper cooperation, the lower stopper peripheral side is provided with gyration gear ring, is provided with back on the promotion shell Rotating motor, the turning motor output end are sequentially connected with revolution gearbox, and the revolution gear box output end is sequentially connected with The revolution driving gear engaged with the gyration gear ring.

6. cabin device for discharging as claimed in claim 4, it is characterised in that: the feed tube include cylindric lower shell and Round table-like upper shell, the lower shell and upper shell are connected as one, and the stock guide is set in the lower shell, the gear Barrel top is concordant with the lower shell top；It is provided at the periphery of the rotary hole to what the lower shell lower section extended and is prevented Casing, the protection cylinder bottom end is concordant with the lower shell bottom end, and between the protection cylinder bottom end and the lower shell bottom end Closing connection.

7. cabin device for discharging as claimed in claim 4, it is characterised in that: the lifting and guiding device is described including being installed on Guide chute on bracket is provided with gib block in the guide chute, and the gib block is fixedly connected with the feed tube.

8. cabin device for discharging as claimed in claim 4, it is characterised in that: the traction device includes being installed on the bracket The fixed pulley group on top, is provided with running block corresponding with the fixed pulley group in the feed tube, the fixed pulley group and Hauling rope is wound between running block, the hauling rope connects the traction drive.

9. cabin device for discharging as claimed in claim 2, it is characterised in that: it is described transverse direction feeding device be screw conveyor or Belt conveyor.

10. the cabin device for discharging as described in claim 1 to 9 any claim, it is characterised in that: rotated on the pedestal It is provided with middle stand, the middle stand is sequentially connected with middle stand driving device, and middle stand is provided on the middle stand, described Cantilever is located at the middle stand side and described cantilever one end and the middle stand are hinged, and the cantilever other end is provided with installation Platform, the bracket are installed on the mounting platform, and cantilever drag-line is provided between the cantilever and the middle stand, described Cantilever drag-line is connected with cantilever drag-line hoist engine；The middle stand is upper to be provided with counter-jib in the middle stand other side；Institute It states base bottom and is provided with traveling wheel.