CN209193409U - One kind being based on flat sectional revolving platform crane - Google Patents

Abstract

The utility model provides one kind based on flat sectional revolving platform crane, including pedestal, pivoting support, revolving platform, device for revolving and driving, boom and tripod, and revolving platform uses the parallel gusset group in two sides；The structure of front and back centering gusset group designs, and is conducive to the dispersion of revolving platform stress, can significantly improve the structural stability of revolving platform, it is equipped with axis hole on revolving platform, axle sleeve is equipped in axis hole, device for revolving and driving is arranged in axis hole, easy to repair and replacement, tripod is convenient for assembly or disassembly, convenient transportation using welding and two kinds of connection types of flanged joint, crane provided by the utility model, stable structure, stress equalization, assembly and convenience easy to maintenance.

Description

One kind being based on flat sectional revolving platform crane

Technical field

The utility model relates to crane facility fields, and in particular to one kind is based on flat sectional revolving platform crane.

Background technique

As increasingly exhaustion, the developing way of resource of land resources have been extended on ocean, marine resources will be not The leading position of world resource is occupied, becomes the focus of various countries' keen competition, Yao Kaifa marine resources just need advanced sea Foreign crane transports cargo and equipment, around spud leg formula marine crane generally around spud leg be mounted on ocean platform main body or It is extensive because it occupies the advantages that platform space is small, compact-sized, crane capacity is big, and lifting radius is remote on the deck of hull Using.

Application No. is 201610334639.2, publication date is a kind of around stake to disclose in the patent document of 2016.11.09 Leg formula offshore platform crane, the bottom of rotating platform are equipped with mounting rack, and mounting rack includes connector and load-bearing part, pedestal The position that mounting rack is corresponded on periphery wall is equipped with support plate, presss from both sides between the slideway on the top surface of support plate and the bottom surface of rotating platform Equipped with positive cyclic annular roller group, reversed cyclic annular roller group is clamped between the bottom surface of support plate and the top surface of load-bearing part, slideway The position that pedestal is corresponded on inner sidewall is equipped with bush(ing) bearing, and bush(ing) bearing and pedestal form sliding bearing pair, people Cabinet frame includes two door frame components, and two door frame components are arranged symmetrically relative to spud leg, each door frame component include vertical bar and Brace, vertical bar are mutually perpendicular to rotating platform, and the top of brace is connected with the top of vertical bar, which can drop to a certain extent The manufacturing cost of low crane, but after mounting rack is arranged in the bottom of rotating platform in it, the height of rotating platform is significantly increased, The center of gravity of entire crane is caused to increase, unstability increases；The gusset design of its rotating platform is entirely using criss-cross Structure arrangement, be unfavorable for the dispersion of stress, the crane that this structure design is only suitable for small tonnage uses.

Summary of the invention

To solve problems of the prior art, the utility model provides a kind of based on the lifting of flat sectional revolving platform Machine optimizes the prior art, stablizes crane structure, stress equalization, assembly and convenience easy to maintenance.

To achieve the above purpose, the technical solution of the present invention is:, and one kind is based on flat sectional revolving platform crane, Including pedestal, pivoting support, revolving platform, device for revolving and driving, boom and tripod, the outer ring of pivoting support and the top of pedestal Portion is connected, and the inner ring of pivoting support is connected with the bottom of revolving platform, and device for revolving and driving is mounted on revolving platform, boom Bottom end is hinged on revolving platform, and tripod is mounted on the top of revolving platform, and revolving platform includes bottom plate, mounting flange, erects Pole socket, brace seat, boom seat, top plate and gusset group, the side of bottom plate are equipped with chamfering, and bottom plate is equipped with and wears spud leg hole, wear spud leg Hole is arranged close to chamfering side；Mounting flange is located on the bottom surface of bottom plate, and mounting flange is coaxially disposed with spud leg hole is worn；Vertical bar Seat, brace seat and boom seat are located at vertically on the top surface of bottom plate, and the top of vertical bar seat, brace seat and boom seat is equipped with hingedly Hole；The hinge hole that the top of vertical bar seat and the top of brace seat are run through on top plate and vertical bar seat and brace seat protrudes from top plate； Gusset group is arranged between top plate and bottom plate, and gusset group includes parallel gusset group and centering gusset group, after centering gusset group includes Portion's centering gusset group and front centering gusset group, the gusset between the vertical bar seat and brace seat of the same side are arranged in parallel Parallel gusset group, the gusset between opposite vertical bar seat are the rear portion centering gusset group of centering setting, between opposite brace seat Gusset be centering setting front centering gusset group；

It is equipped with the axis hole through top plate and bottom plate on top plate, axle sleeve is equipped in axis hole, device for revolving and driving is arranged in axis In set, device for revolving and driving includes hydraulic motor, speed reducer, upper fixed seat, connector sleeve, lower fixed seat, transmission shaft and herringbone Driving gear, the upper end of connector sleeve are connected with the lower end of upper fixed seat, and the lower end of connector sleeve is connected with the upper end of lower fixed seat, pass Moving axis is located in connector sleeve；Speed reducer is located at the top of upper fixed seat, and the output shaft of speed reducer is connected with the upper end of transmission shaft；Liquid Pressure motor is located at the top of speed reducer, and the output shaft of hydraulic motor is connected with the input shaft of speed reducer；Herringbone driving gear is set In the bottom end of output shaft；

Pedestal includes the ontology for the back taper cyclic structure that bottom end is small, top is big, is equipped with base flange in the top surface of ontology, Base flange and ontology are coaxially disposed, and base flange is equipped with more than two bolts hole, are equipped on the inner wall of ontology along interior The reinforcing rib of one or more of wall even circumferential distribution is equipped with circular inner wall one week in the inner wall of ontology and connects each reinforcing rib More than one reinforcing ring；

Tripod includes the first door frame and the second door frame, and the first door frame includes the first vertical bar, the first brace, first pulley seat With the first drag link, the top of first pulley seat and the first brace welds together, the top of the first vertical bar and first pulley seat Between connected by screw bolt and nut, the first drag link is equipped between the first vertical bar and the first brace, the first drag link includes the C sections of one a sections of drag link, b sections of the first drag link and the first drag link, one end of the first a sections of drag link are connected with the first vertical bar, the The other end of one a sections of drag link is equipped with flange, and the both ends of the first b sections of drag link are equipped with flange, one end of the first c sections of drag link It is connected with the first brace, the other end of the first c sections of drag link is equipped with flange, one end of the first b sections of drag link and the first drag link a One end that section is equipped with flange is connected, and the other end of the first b sections of drag link is equipped with one end phase of flange with the first drag link c section Even；Second door frame includes the second vertical bar, the second brace, second pulley seat and the second pull rod, and second pulley seat and the second brace weld It is connected together, is connected between the second vertical bar and second pulley seat by screw bolt and nut, set between the second vertical bar and the second brace There is the second drag link, the second drag link includes c sections of a sections of the second drag link, b sections of the second drag link and the second drag link, and second is horizontal One end that a sections of pull rod is connected with the second vertical bar, and the other end of the second a sections of drag link is equipped with flange, the both ends of the second b sections of drag link It is equipped with flange, one end of the second c sections of drag link is connected with the second brace, and the other end of the second c sections of drag link is equipped with flange, the One end that one end of two b sections of drag links and the second drag link a section are equipped with flange is connected, the other end of the second b sections of drag link and One end that second drag link c section is equipped with flange is connected；Main cross bar, main cross bar are equipped between first pulley seat and second pulley seat Including main cross bar a sections, it is cross bar b sections and cross bar c sections main main, main cross bar a sections one end is connected with first pulley seat, main cross bar a sections The other end be equipped with flange, main cross bar b section of both ends are equipped with flange, and main cross bar c sections one end is connected with second pulley seat, lead The other end that c sections of cross bar is equipped with flange, and main cross bar b sections one end is connected with one end that main cross bar a section is equipped with flange, main cross bar B sections of the other end is connected with one end that main cross bar c section is equipped with flange；One or more is equipped between first vertical bar and the second vertical bar Secondary cross bar；The third drag link of one or more is equipped between first brace and the second brace, third drag link includes third cross A sections of pull rod, b sections of third drag link and c sections of third drag link, one end that a sections of third drag link is connected with the first brace, and third is horizontal The other end that a sections of pull rod is equipped with flange, and the both ends that b section of third drag link are equipped with flange, one end that c sections of third drag link and the Two braces are connected, and the other end that c sections of third drag link is equipped with flange, on one end and third drag link a section that b sections of third drag link One end equipped with flange is connected, and the other end that b sections of third drag link is connected with one end that third drag link c section is equipped with flange；

The above structure, selecting hydraulic motor as the advantages of power source is hydraulic motor using enclosed construction design, internal Element can will not effectively be prolonged the service life by the corrosion of ocean humid air；Device for revolving and driving is set on back by axis Turn on platform, since in revolution, device for revolving and driving will receive the powerful reaction force of pivoting support to crane, this anti-work It can be firmly applied on revolving platform by device for revolving and driving, crane, which is persistently run, can make device for revolving and driving and revolution flat The position abrasion of platform connection, revolving platform is bulky, is not easy to repair, and is arranged between device for revolving and driving and revolving platform Axle sleeve, the reaction force being applied on device for revolving and driving can be remake by axle sleeve and be used on revolving platform, and such axle sleeve can be first Abrasion only needs replacing axle sleeve if necessary to maintenance；Transmission shaft is located in axle sleeve, speed reducer just may be provided in revolving platform Outside, be conducive to the heat dissipation of speed reducer；

The ontology of pedestal adapts to larger sized pivoting support using the back taper cyclic structure that bottom end is small, top is big, The stability of crane is improved, the structural strength of pedestal can be improved in the setting of reinforcing rib and reinforcing ring；Simultaneously on revolving platform Equipped with front centering gusset group, front centering gusset group can be uniformly dispersed in first welding front centering gusset group when generate answer Power prevents local deformation, and secondly at work, the pressure energy that boom is subject to is evenly dispersed by front centering gusset group for crane Onto all parts being connected with front centering gusset group；Rear portion centering gusset group can be uniformly dispersed in welding processing process first The stress of middle generation, prevents local deformation, secondly crane at work, pressure that the vertical bar of tripod is subject to, cargo pair twist Pulling force of vehicle etc. can be evenly spread on all parts being connected with rear portion centering gusset group by rear portion centering gusset group, be made back Turn platform structure to stablize；The two sides of revolving platform are mainly acted on by the pressure of tripod, and gusset, which is arranged in parallel, can improve gusset Bending strength, and gusset positioning is simple during welding, it is easy to operate, working hour is saved, is improved efficiency.

In addition, the setting of the above tripod, is fastened between first pulley seat and the first vertical bar by screw bolt and nut, it is this Setting energy the first door frame easy to disassemble, is readily transported and repairs；At work, the pressure that first pulley seat is subject to is main for crane It can be transmitted on revolving platform by the first brace, therefore, by the way that be welded to connect can be between first pulley seat and the first brace The intensity for enhancing connection, guarantees the stable structure of tripod, the first drag link can surround triangle with the first vertical bar and the first brace Shape structure, triangular structure are stablized, and the stability of the first door frame can be effectively enhanced；Pass through between second pulley seat and the second vertical bar Screw bolt and nut fastening, this set energy the second door frame easy to disassemble, is readily transported and repairs；Crane at work, second The pressure that pulley base is subject to can be mainly transmitted on revolving platform by the second brace, therefore, second pulley seat and the second brace Between by being welded to connect the intensity of connection can be enhanced, guarantee the stable structure of tripod；Second drag link can be erected with second Bar and the second brace surround triangular structure, and triangular structure is stablized, and can effectively enhance the stability of the second door frame；Main cross is set Bar connects the first door frame and the second door frame, and the first door frame and the second door frame are connected into an entirety by main cross bar, promoted steady It is qualitative；Third drag link connects the first brace and the second brace, can enhance the stability between the first door frame and the second door frame, prevents Only the first brace and the second brace are easy to happen bending since length is too long.

Further, the first span winch is equipped with close to the position of first door frame on the revolving platform；Described The position of two door frames is equipped with the second span winch, is equipped with luffing device on the top of boom, and the is extended in the first span winch One wirerope, the first wirerope are connected around first pulley seat with luffing device；The second steel wire is extended in second span winch Rope, the second wirerope are connected around second pulley seat with luffing device, the above structure, when boom needs luffing, starting first Span winch and the second span winch, the first wirerope and the second wirerope can elongate or shorten simultaneously, be made by luffing device Boom is obtained to be promoted or declined, since the first span winch and the second span winch move at the same time, boom energy during luffing It runs smoothly.

Further, around the axle center of mounting flange, uniformly there are three above fixation hole, fixation holes on the mounting flange Upper end be equipped with counter sink, bolt can pass through fixation hole revolving platform and pivoting support be linked together.

Further, the first transverse bar of each piece of gusset of connection is equipped in the inside of the gusset group, in the outside of gusset group The second transverse bar equipped with each piece of gusset of connection, the first transverse bar will be chained together on the inside of each piece of gusset；Second transverse bar is by each piece It is chained together on the outside of gusset, keeps the connection between gusset more firm, promote the intensity of revolving platform.

Further, it is equipped with outer panel along the outer profile of top plate and bottom plate, boom seat is on outer panel and boom seat Hinge hole protrudes from outer panel；Interior plate is equipped between top plate and bottom plate along the edge for wearing spud leg hole, by the way that outer panel is arranged And interior plate, top plate and bottom plate and gusset group are connected into a closed cage entirety, significantly enhance revolving platform Intensity.

Further, the quantity of the axis hole is three, and axis hole is distributed in the circumference centered on the axle center for wearing spud leg hole On, spacing is equal between adjacent axis hole, and two axis holes are used when normal work, stay an axis hole spare.

Further, the hinge hole both ends on the vertical bar seat, brace seat and boom seat are equipped with reinforcing ring, pass through setting Reinforcing ring can increase the contact area of bolt and hinge hole, prevent hinged bore deformation.

Further, the excircle of the pivoting support outer ring is equipped with herringbone tooth, and herringbone tooth and herringbone are actively Gear engagement；The baffle for keeping out herringbone driving gear is equipped in the bottom end of transmission shaft, double helical spurgear is selected in transmission, due to straight The bearing capacity of gear is weak, and shock and vibration and noise are big, therefore is not suitable for precision drive, and helical gear has compared with spur gear There is the advantages that strong bearing capacity, stable drive, shock and vibration and smaller noise, but can generate when helical gear work to axis The axial force of axial force, generation can be applied on the bearing of fixing axle and the bearing of pivoting support, accelerate the abrasion of bearing, due to Double helical spurgear can regard two symmetrical helical gears as, therefore double helical spurgear can eliminate axial force, and double helical tooth Wheel has the advantages of registration is high, and bearing capacity is high, stable working；Baffle can keep out herringbone driving gear, prevent herringbone Driving gear is deviate from from transmission shaft.

Further, the upper end of the connector sleeve is connected by welding with the lower end of upper fixed seat；Connector sleeve Lower end is connected by welding with the upper end of lower fixed seat, is connected by the way of welding, does not need to account for using connector With small in size, and connect reliable.

Further, tapered roller bearing is equipped between the transmission shaft and upper fixed seat；The transmission shaft and lower fixation Tapered roller bearing is equipped between seat；The bearing (ball) cover for sealing and fixing bottom end bearing, circular cone are equipped in the lower end of lower fixed seat Roller bearing can bear the radial load bigger than ball bearing, and bearing capacity is strong；Bearing (ball) cover can keep out bottom end bearing, prevent down End bearing abjection, can also be arranged sealing ring on bearing (ball) cover.

Detailed description of the invention

Fig. 1 is the main view for the crane that the embodiments of the present invention provide.

Fig. 2 is the top view for the crane that the embodiments of the present invention provide.

Fig. 3 is the main view of the utility model in the base.

Fig. 4 is the top view of the utility model in the base.

Fig. 5 is the perspective view of the revolving platform in the utility model.

Fig. 6 removes the structural schematic diagram of top plate, interior plate and outer panel for the revolving platform in the utility model.

Fig. 7 is the top view of the revolving platform removal top plate in the utility model.

Fig. 8 is the structural schematic diagram of device for revolving and driving in the utility model.

Fig. 9 is the top view of device for revolving and driving in the utility model.

Figure 10 is enlarged drawing at A in Fig. 8.

Figure 11 is enlarged drawing at B in Fig. 8.

Figure 12 is the structural schematic diagram of the utility model intermediate cam frame.

Figure 13 is the structural schematic diagram of the first door frame in the utility model.

Figure 14 is the structural schematic diagram of the second door frame in the utility model.

Specific embodiment

The utility model is described in further details with reference to the accompanying drawings and detailed description.

As shown in figs. 1 to 14: one kind be based on flat sectional revolving platform crane, including pedestal 1, pivoting support 2, return Turn platform 3, device for revolving and driving 4, boom 5 and tripod 6, the outer ring of pivoting support 2 is connected with the top of pedestal 1, revolution branch It holds 2 inner ring to be connected with the bottom of revolving platform 3, device for revolving and driving 4 is mounted on revolving platform 3, and one end of boom 5 is hinged On revolving platform 3, tripod 6 is mounted on the top of revolving platform 3.

Pedestal 1 includes the ontology for the back taper cyclic structure that bottom end is small, top is big, is equipped with base flange in the top surface of ontology 10, base flange 10 and ontology are coaxially disposed, and base flange 10 is equipped with more than two bolts hole 11, on the inner wall of ontology Reinforcing rib 12 equipped with one or more being distributed along inner wall even circumferential is equipped with flat with ontology upper and lower surface in the inner wall of ontology Go and connect the more than one reinforcing ring 13 of each reinforcing rib 12.

Revolving platform 3 includes bottom plate 31, mounting flange 32, vertical bar seat 33, brace seat 34, boom seat 35, top plate 36 and muscle Board group.

The side of bottom plate 31 is equipped with chamfering, and bottom plate 31, which is equipped with, wears spud leg hole close to the setting of chamfering side；Mounting flange 32 are located on the bottom surface of bottom plate 31, and mounting flange 32 is coaxially disposed with spud leg hole is worn, around the axle center of mounting flange on mounting flange Uniformly distributed there are three above fixation holes, and the upper end of fixation hole is equipped with counter sink.By fixation hole, revolving platform can on crane Pivoting support be connected.

Vertical bar seat 33, brace seat 34 and boom seat 35 are located at vertically on the top surface of bottom plate 31, vertical bar seat 33, brace seat 34 It is equipped with hinge hole with the top of boom seat 35, axial direction and the plane where bottom plate 31 of hinge hole are arranged in parallel, specifically The side on 35 top of boom seat is arranged in ground, the hinge hole on boom seat 35, and the top of vertical bar seat and the top of brace seat are passed through It wears top plate and protrudes from top plate setting, be equipped with reinforcing ring, the bottom of vertical bar seat 33, brace seat 34 and boom seat 35 at hinge hole both ends End is welded on bottom plate 31, and after being mounted with top plate 36, vertical bar seat 33, brace seat 34 and boom seat 35 are welded with top plate 36 Together, this structure design can disperse the power that vertical bar seat 33, brace seat 34 and boom seat 35 are subject to, and keep revolving platform structure steady It is fixed；It is equipped with reinforcing ring at hinge hole both ends, by the way that reinforcing ring is arranged, the contact area of bolt and hinge hole can be increased, prevented Hinged bore deformation.

Gusset group is arranged between top plate 36 and bottom plate 31, and gusset group includes parallel gusset group 371 and centering gusset group 372, centering gusset group 372 includes rear portion centering gusset group 3722 and front centering gusset group 3721, the vertical bar seat 33 of the same side Gusset between brace seat 34 is parallel gusset group 371 arranged in parallel, and the gusset between opposite vertical bar seat 33 is The rear portion centering gusset group 3722 of centering setting, the gusset between opposite brace seat 34 are the front centering gusset of centering setting Group 3721；It is equipped with the first transverse bar 38 of each piece of gusset of connection in the inside of gusset group, is equipped with each piece of connection in the outside of gusset group Second transverse bar 39 of gusset.The above structure, front centering gusset group 3721 can be uniformly dispersed in welding front centering gusset first The stress generated during group 3721, prevents local deformation, and secondly at work, the pressure energy that boom is subject to passes through crane Front centering gusset group 3721 is evenly spread on all parts being connected with front centering gusset group 3721；Rear portion centering gusset Group 3722 can be uniformly dispersed in the stress generated during welding rear portion centering gusset group 3722 first, prevent local deformation, At work, pressure that the vertical bar of tripod is subject to, cargo can pass through rear portion centering gusset to pulling force of winch etc. to secondary crane Group 3722 is evenly spread on all parts being connected with rear portion centering gusset group, makes revolving platform stable structure；Revolving platform Two sides mainly acted on by the pressure of tripod, being arranged in parallel for parallel gusset group 371 finally make adjacent two pieces of gussets, bottom plates 31 and top plate 36 form rectangular configuration, in the case where sectional area is equal, high equal, the cross sectional moment of inertia of rectangular configuration is greater than three Angular or trapezoidal cross sectional moment of inertia, this structure setting can significantly improve the bending strength of revolving platform, and in welding processing When gusset positioning it is simple, it is easy to operate, save working hour, improve efficiency.First transverse bar 38 will be connected in one on the inside of each piece of gusset It rises；Second transverse bar 39 will be chained together on the outside of each piece of gusset, keeps the connection between gusset more firm, promotes the strong of revolving platform Degree.

Three axis holes 310 through top plate 36 and bottom plate 31 are equipped on top plate 36, axis hole 310 is distributed in wear spud leg hole Axle center centered on circumference on, axle sleeve 311 is equipped in axis hole 310.Axle sleeve is set in axis hole, revolution is installed in which can be convenient Under normal circumstances only device for revolving and driving need to be arranged in two axis holes 310 in driving device, can be in third if be short of power Increase a set of device for revolving and driving in axis hole.

It is equipped with outer panel 312 along the outer profile of top plate 36 and bottom plate 1, boom seat 35 is on outer panel and boom seat 35 Hinge hole protrudes from side plate；Interior plate 313 is equipped between top plate 36 and bottom plate 31 along the edge for wearing spud leg hole.It is outer by being arranged Top plate 36 and bottom plate 31 and gusset group are connected into a closed cage entirety, greatly by side plate 312 and interior plate 313 Enhance the intensity of revolving platform.

Device for revolving and driving 4 include hydraulic motor 41, speed reducer 42, upper fixed seat 43, connector sleeve 44, lower fixed seat 45, Transmission shaft 46 and herringbone driving gear 47, the upper end of connector sleeve 44 and the lower end of upper fixed seat 43 weld together, connector sleeve 44 lower end and the upper end of lower fixed seat 45 weld together, and the upper end of transmission shaft 46 is equipped with upper end tapered roller bearing 466, pass The lower end of moving axis 46 is equipped with lower end tapered roller bearing 467, and transmission shaft 46 passes through upper end tapered roller bearing 466 and lower end circular cone Roller bearing 467 is located in connector sleeve 44, and speed reducer 42 is located at the top of upper fixed seat 43, the output shaft of speed reducer 42 and transmission The upper end of axis 46 is connected；Hydraulic motor 41 is located at the top of speed reducer 42, and the output shaft of hydraulic motor 41 is defeated with speed reducer 42 Enter axis to be connected；Device for revolving and driving 4 is mounted on revolving platform 3 by axle sleeve 311, the hardness of axle sleeve 311 is flat lower than revolution The hardness of platform 3, when revolving platform 3 turns round, the powerful reaction force of pivoting support can pass through device for revolving and driving 4 and axle sleeve 311 It is applied on revolving platform 3, since the hardness of axle sleeve 311 is lower than the hardness of revolving platform 3, so shape can first occur for axle sleeve 311 Become, can thus protect revolving platform 3.

Herringbone driving gear 47 is located at the bottom end of output shaft 46；The excircle of pivoting support outer ring 21 is equipped with herringbone Tooth 211, herringbone tooth 211 are engaged with herringbone driving gear 47, are equipped in the bottom end of transmission shaft 46 and are kept out herringbone driving tooth The baffle 49 of wheel 47.Double helical spurgear can regard two symmetrical helical gears as, therefore double helical spurgear can eliminate axis Xiang Li, herringbone bear have the advantages of registration is high, and bearing capacity is high, stable working.

The bearing (ball) cover 468 for sealing and fixing lower end tapered roller bearing 467 is equipped in the lower end of lower fixed seat 45.

It is equipped with flange 411 on the excircle of upper fixed seat 43, circumferentially equally distributed two are equipped on flange 411 Above bolt hole 412.Bolt passing through bolt hole 412 can easily be mounted and dismounted into device for revolving and driving 4, facilitate maintenance and Replacement.

Tripod 6 includes the first door frame 61 and the second door frame 62, and the first door frame 61 includes the first vertical bar 611, the first brace 612, the top of first pulley seat 615 and the first drag link 613, first pulley seat 615 and the first brace 612 welds together, It is connected between the top and first pulley seat 615 of first vertical bar 611 by screw bolt and nut, the first vertical bar 611 and the first brace The first drag link 613 is equipped between 612, the first drag link 613 includes b sections of a sections of 613a of the first drag link, the first drag link 613b It is connected with one end of c sections of 613c of the first drag link, the first a sections of 613a of drag link with the first vertical bar 611, the first a sections of drag link The other end of 613a is equipped with flange, and the both ends of the first b sections of 613b of drag link are equipped with flange, and the one of the first c sections of 613c of drag link End is connected with the first brace 612, and the other end of the first c sections of 613c of drag link is equipped with flange, one end of the first b sections of 613b of drag link It is connected with the one end for being equipped with flange a sections of 613a of the first drag link, the other end and the first drag link of the first b sections of drag link 613b One end that c sections of 613c are equipped with flange is connected；Second door frame 62 includes the second vertical bar 621, the second brace 622, second pulley seat 625 and second drag link 623, the top of second pulley seat 625 and the second brace 622 welds together, the top of the second vertical bar 621 It is connected between end and second pulley seat 625 by screw bolt and nut, second is equipped between the second vertical bar 621 and the second brace 622 Drag link 623, the second drag link 623 include c sections of a sections of 623a of the second drag link, b sections of 623b of the second drag link and the second drag link One end of 623c, the second a sections of 623a of drag link are connected with the second vertical bar 621, and the other end of the second a sections of 623a of drag link is equipped with method Orchid, the both ends of the second b sections of 623b of drag link are equipped with flange, one end and 622 phase of the second brace of the second c sections of 623c of drag link Even, the other end of the second c sections of 623c of drag link is equipped with a sections of flange, one end of the second b sections of 623b of drag link and the second drag link One end that 623a is equipped with flange is connected, and c sections of 623c of the other end and the second drag link of the second b sections of drag link 623b are equipped with method Blue one end is connected；Main cross bar 63 is equipped between first pulley seat 615 and second pulley seat 625, main cross bar 63 includes main cross bar a Section 63a, main cross bar b sections of 63b and main cross bar c sections of 63c, one end of main cross bar a sections of 63a are connected with first pulley seat 615, main cross bar The other end of a sections of 63a is equipped with flange, and the both ends of main cross bar b sections of 63b are equipped with flange, one end and second of main cross bar c sections of 63c Pulley base 625 is connected, and the other end of main cross bar c section 63c is equipped with flange, one end of main cross bar b sections of 63b on main cross bar a sections of 63a One end equipped with flange is connected, and the other end of main cross bar b sections of 63b is connected with the one end for being equipped with flange main cross bar c sections of 63c；The The third drag link 64 of one or more is equipped between one brace 612 and the second brace 622, third drag link 64 includes the horizontal drawing of third A sections of 64a of bar, one end of b sections of 64b of third drag link and third drag link c sections of 64c, a sections of 64a of third drag link and the first brace 612 are connected, and the other end of a sections of 64a of third drag link is equipped with flange, and the both ends of b sections of 64b of third drag link are equipped with flange, the One end of three c sections of 64c of drag link is connected with the second brace 622, and the other end of c sections of 64c of third drag link is equipped with flange, and third is horizontal One end of b sections of 64b of pull rod is connected with the one end for being equipped with flange a sections of 64a of third drag link, and b sections of 64b's of third drag link is another The one end for being equipped with flange with c sections of 64c of third drag link is held to be connected；One is equipped between first vertical bar 611 and the second vertical bar 621 Above secondary cross bar 65.

It is fastened between first pulley seat 615 and the first vertical bar 611 by screw bolt and nut, this set can easy to disassemble the One door frame 61, is readily transported and repairs；At work, the pressure that first pulley seat 615 is subject to mainly can be by first for crane Brace 612 is transmitted on revolving platform 3, therefore, by the way that be welded to connect can be between first pulley seat 615 and the first brace 612 The intensity for enhancing connection, guarantees the stable structure of tripod, the first drag link 613 can be with the first vertical bar 611 and the first brace 612 Triangular structure is surrounded, triangular structure is stablized, and the stability of the first door frame 61 can be effectively enhanced；Second pulley seat 625 and It is fastened between two vertical bars 621 by screw bolt and nut, this set energy the second door frame 62 easy to disassemble is readily transported and repairs； At work, the pressure that second pulley seat 625 is subject to can be mainly transmitted on revolving platform 3 crane by the second brace 622, Therefore, the intensity of connection can be enhanced between second pulley seat 625 and the second brace 622 by being welded to connect, guarantee tripod Stable structure；Second drag link 623 can surround triangular structure, triangular structure with the second vertical bar 621 and the second brace 622 Stablize, can effectively enhance the stability of the second door frame 62；Main cross bar 63 is set and connects the first door frame 61 and the second door frame 62, is passed through First door frame 61 and the second door frame 62 are connected into an entirety, improving stability by main cross bar 63；The connection of third drag link 64 the One brace 612 and the second brace 622, can enhance the stability between the first door frame 61 and the second door frame 62, prevent the first brace 612 and second brace 622 since length is too long be easy to happen bending, additionally, due to the first drag link 613, the second drag link 623, main cross bar 63 and third drag link 64 are all to be made of respectively three sections of bars, due to that can prevent due to the first door frame and second It is too big across length between frame, if drag link and cross bar use a whole bar, it will lead to drag link and main cross bar during installation Length dimension has error without that can be accurately mounted between the first door frame and the second door frame, even and if solving drag link and main cross The problem of pole length size is accurate, and the mounting hole between flange misplaces and cannot smoothly install.

The first span winch 71 is equipped with close to the position of first door frame 61 on revolving platform 3；On the revolving platform 3 It is equipped with the second span winch 72 close to the position of the second door frame 62, is equipped with luffing device 8, the first span winch on the top of boom The first wirerope 91 is extended in 71, the first wirerope 91 is connected around first pulley seat 615 with luffing device 8；Second luffing The second wirerope 92 is extended in winch 72, the second wirerope 92 is connected around second pulley seat 625 with luffing device 8.More than Structure starts the first span winch 71 and the second span winch 72, the first wirerope 91 and second when boom 5 needs luffing Wirerope 92 can elongate or shorten simultaneously, make boom 5 be promoted or be declined by luffing device 8, due to the first span winch 71 It is moved at the same time with the second span winch 72, boom 5 can run smoothly during luffing.

Claims (10)

1. one kind be based on flat sectional revolving platform crane, including pedestal, pivoting support, revolving platform, device for revolving and driving, Boom and tripod, the outer ring of pivoting support are connected with the top of pedestal, the bottom phase of the inner ring and revolving platform of pivoting support Even, device for revolving and driving is mounted on revolving platform, and the bottom end of boom is hinged on revolving platform, and it is flat that tripod is mounted on revolution The top of platform is equipped with the axis hole through revolving platform, it is characterised in that: revolving platform includes bottom plate, fixation on revolving platform Flange, vertical bar seat, brace seat, boom seat, top plate and gusset group, the side of bottom plate are equipped with chamfering, and bottom plate is equipped with and wears spud leg hole, Spud leg hole is worn to be arranged close to chamfering side；Mounting flange is located on the bottom surface of bottom plate, and mounting flange is coaxially disposed with spud leg hole is worn； Vertical bar seat, brace seat and boom seat are located at vertically on the top surface of bottom plate, and the top of vertical bar seat, brace seat and boom seat is equipped with Hinge hole；The hinge hole that the top of vertical bar seat and the top of brace seat are run through on top plate and vertical bar seat and brace seat protrudes from top Plate；Gusset group is arranged between top plate and bottom plate, and gusset group includes parallel gusset group and centering gusset group, and centering gusset group includes Rear portion centering gusset group and front centering gusset group, the gusset between the vertical bar seat and brace seat of the same side are arranged in parallel Parallel gusset group, the gusset between opposite vertical bar seat is the rear portion centering gusset group of centering setting, opposite brace seat it Between gusset be centering setting front centering gusset group；The axis hole through top plate and bottom plate is equipped on top plate；

Axle sleeve is equipped in axis hole, device for revolving and driving is arranged in axle sleeve, device for revolving and driving include hydraulic motor, speed reducer, Upper fixed seat, connector sleeve, lower fixed seat, transmission shaft and herringbone driving gear, the upper end of connector sleeve and the lower end of upper fixed seat It is connected, the lower end of connector sleeve is connected with the upper end of lower fixed seat, and transmission shaft is located in connector sleeve；Speed reducer is located at upper fixed seat Top, the output shaft of speed reducer are connected with the upper end of transmission shaft；Hydraulic motor is located at the top of speed reducer, the output of hydraulic motor Axis is connected with the input shaft of speed reducer；Herringbone driving gear is located at the bottom end of output shaft；

Pedestal includes the ontology for the back taper cyclic structure that bottom end is small, top is big, is equipped with base flange, pedestal in the top surface of ontology Flange and ontology are coaxially disposed, and base flange is equipped with more than two bolts hole, are equipped on the inner wall of ontology along inner wall circle Week one or more equally distributed reinforcing rib, be equipped in the inner wall of ontology around inner wall one week and connect one of each reinforcing rib Above reinforcing ring；

Tripod includes the first door frame and the second door frame, and the first door frame includes the first vertical bar, the first brace, first pulley seat and the The top of one drag link, first pulley seat and the first brace welds together, between the top and first pulley seat of the first vertical bar It is connected by screw bolt and nut, the first drag link is equipped between the first vertical bar and the first brace, the first drag link includes first horizontal C sections of a sections of pull rod, b sections of the first drag link and the first drag link, one end of the first a sections of drag link are connected with the first vertical bar, and first is horizontal The other end that a sections of pull rod is equipped with flange, and the both ends of the first b section of drag link are equipped with flange, one end of the first c sections of drag link and the One brace is connected, and the other end of the first c section of drag link is equipped with flange, one end of the first b sections of drag link in the first drag link a section One end equipped with flange is connected, and the other end of the first b sections of drag link is connected with one end that the first drag link c section is equipped with flange； Second door frame includes the second vertical bar, the second brace, second pulley seat and the second pull rod, and second pulley seat and the second brace are welded on Together, it is connected between the second vertical bar and second pulley seat by screw bolt and nut, the is equipped between the second vertical bar and the second brace Two drag links, the second drag link include c sections of a sections of the second drag link, b sections of the second drag link and the second drag link, the second drag link a One end of section is connected with the second vertical bar, and the other end of the second a sections of drag link is equipped with flange, and the both ends of the second b sections of drag link are all provided with There is flange, one end of the second c sections of drag link is connected with the second brace, and the other end of the second c sections of drag link is equipped with flange, and second is horizontal One end that b sections of pull rod is connected with one end that the second drag link a section is equipped with flange, the other end and second of the second b sections of drag link One end that drag link c section is equipped with flange is connected；Main cross bar is equipped between first pulley seat and second pulley seat, main cross bar includes Main cross bar a sections, it is cross bar b sections and cross bar c sections main main, main cross bar a sections one end is connected with first pulley seat, main cross bar a sections another One end is equipped with flange, and main cross bar b sections of both ends are equipped with flange, and main cross bar c sections one end is connected with second pulley seat, main cross bar C sections of the other end is equipped with flange, and main cross bar b sections one end is connected with one end that main cross bar a section is equipped with flange, and main cross bar b sections The other end and main cross bar c section be equipped with one end of flange and be connected；One or more is equipped between first vertical bar and the second vertical bar Secondary cross bar；The third drag link of one or more is equipped between first brace and the second brace, third drag link includes the horizontal drawing of third A sections of bar, b sections of third drag link and c sections of third drag link, one end that a sections of third drag link is connected with the first brace, the horizontal drawing of third The other end that a sections of bar is equipped with flange, and the both ends that b sections of third drag link are equipped with flange, one end and second that c sections of third drag link Brace is connected, and the other end that c sections of third drag link is equipped with flange, one end and third drag link a Duan Shangshe that b sections of third drag link There is one end of flange to be connected, the other end that b sections of third drag link is connected with one end that third drag link c section is equipped with flange.

2. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the revolution is flat The first span winch is equipped with close to the position of first door frame on platform；The position of second door frame is twisted equipped with the second luffing Vehicle is equipped with luffing device on the top of boom, the first wirerope is extended in the first span winch, the first wirerope bypasses first Pulley base is connected with luffing device；The second wirerope is extended in second span winch, the second wirerope bypasses second pulley seat It is connected with luffing device.

3. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the fixation Uniformly distributed there are three above fixation hole around the axle center of mounting flange on orchid, the upper end of fixation hole is equipped with counter sink.

4. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: in the gusset The inside of group is equipped with the first transverse bar of each piece of gusset of connection, is equipped with the second transverse bar of each piece of gusset of connection in the outside of gusset group.

5. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: along top plate and bottom The outer profile of plate is equipped with outer panel, and hinge hole of the boom seat on outer panel and boom seat protrudes from outer panel；Wear spud leg in edge The edge in hole is equipped with interior plate between top plate and bottom plate.

6. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the axis hole Quantity is three, and axis hole is distributed on the circumference centered on the axle center for wearing spud leg hole, and spacing is equal between adjacent axis hole.

7. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the vertical bar Hinge hole both ends on seat, brace seat and boom seat are equipped with reinforcing ring.

8. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the revolution branch The excircle of bearing outer-ring is equipped with herringbone tooth, and herringbone tooth is engaged with herringbone driving gear；It is equipped in the bottom end of transmission shaft Keep out the baffle of herringbone driving gear.

9. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the connector sleeve Upper end be connected by welding with the lower end of upper fixed seat；The lower end of connector sleeve and the upper end of lower fixed seat pass through welding Mode be connected.

10. according to claim 1 a kind of based on flat sectional revolving platform crane, it is characterised in that: the transmission Tapered roller bearing is equipped between axis and upper fixed seat；Tapered roller bearing is equipped between the transmission shaft and lower fixed seat；? The lower end of lower fixed seat is equipped with the bearing (ball) cover for sealing and fixing bottom end bearing.