CN203946817U - A kind of ultra-large type crawler crane - Google Patents
A kind of ultra-large type crawler crane Download PDFInfo
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- CN203946817U CN203946817U CN201420413666.5U CN201420413666U CN203946817U CN 203946817 U CN203946817 U CN 203946817U CN 201420413666 U CN201420413666 U CN 201420413666U CN 203946817 U CN203946817 U CN 203946817U
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Abstract
The utility model relates to a kind of ultra-large type crawler crane, mainly comprise principal arm, cargo hook gear, platform, get off, actuator cylinder, balancing device, super-starting balance weight device, mast support, mast and luffing device, platform is the structure of multi-platform composition, and the ring rail dolly below platform and the gear ring track on base adapt.The utility model adopts four caterpillar belt structures, and crawler belt all can rotate around base connecting cylinder, has greatly improved the stability of car load.The way of contact of ring rail dolly and gear ring track, effectivelyly especially goes out stress dispersion, has solved conventional revolution rolling disk and can not be applied to the many difficult problems on this rank car.The principal arm of two truss, surpass mast, mast support and all had a clear superiority at bending resistance, the aspect such as antitorque, also reduced the difficulty of choosing of tubing simultaneously.By the super-starting balance weight mechanism that actuator cylinder drives, folding rod supports, can adapt to hang the hoisting moment after carrying and luffing has changed traditional super-starting balance weight pattern, easy to operate, efficiency is high.
Description
One, technical field
The utility model relates to crawler crane, and the particularly unit design to ultra-large type crawler crane provides the new approaches in the design of structure way of realization.
Two, background technology
Itself just there is sizable difficulty in the design of super-tonnage crawler crane, such as at grounding pressure, lateral stability, framing member intensity, the combination of parts, the aspects such as Hydraulic Elements coupling, so in order to meet petrochemical complex, the lifting of the special module such as ocean engineering and nuclear power, country is also carrying out the exploitation of super-tonnage crawler crane as main construction, but the design occurring at present or single met lifting requirements, but without walking function, and floor area is larger, or in the combination of car body big parts, still follow traditional design concept, cause transportation clearance and quality severe overweight, in the realization of holding function, efficiency is lower, to having relatively high expectations of control system, in theory and practice, all do not reach coordination, the requirement of rationally controlling.
Three, summary of the invention
The purpose of this utility model be to provide a kind of safe and reliable, simple, the ultra-large type crawler crane that have actual operability relative to transport be installed.
The technical solution adopted in the utility model is: ultra-large type crawler crane mainly comprises principal arm, cargo hook gear, platform, get off, actuator cylinder, balancing device, super-starting balance weight device, mast support, mast and luffing device, platform is connected and fixed with getting off by the connecting cross beam of self, actuator cylinder and platform are hinged, mast support is hinged to after mast, respectively with platform on front and back otic placode be connected and fixed, principal arm and platform are hinged, luffing device is connected with mast by variable-amplitude steel wire rope, be connected with the arm-tie on principal arm again, balancing device and mast head are hinged hinged with super-starting balance weight device again, form stabilizing mechanism, principal arm, mast support, mast and balancing device are H type two-spar structure, platform of the present utility model is the structure of multi-platform composition, central platform is fixed on base by connecting cross beam, main platform has two, left platform and right platform, be assemblied in central platform both sides, on a left side, right platform is provided with lifting, amplitude-changing drum and anti-tilt device, platform and rear platform before the front and back end of main platform is provided with, have ring rail dolly below forward and backward platform, and the gear ring track on ring rail dolly and base adapts.
First combined platform of the present utility model will realize being fixedly connected with of central platform and base, then two main platforms are arranged in central platform, and forward and backward platform is wanted to be first assembled together with ring rail dolly, and then be contained in respectively on two corresponding otic placodes of main platform, make platform form stable being rigidly connected, ring rail dolly will with base on gear ring track adapt, bearing the deadweight and hang and carry the pressure bringing of getting on the bus, and realizing revolute function.Have after omnibearing support, can on main platform, install power station and lifting, amplitude-changing drum etc. additional, such platform mechanism gyrostabilized platform, bearing surface is large, and the anti-ability of tumbling is strong, and it is all comparatively convenient to transport, install.
Lower mechanism of car of the present utility model adopts the walking manner of four crawler belts, and crawler belt can be around the rotation of base coupling bush, and enhancing complete machine stability, reduces grounding pressure, thus the requirement of reduction equipment to surface condition.
H type two-spar structure of the present utility model all will be connected on platform mechanism, principal arm mechanism is connected with front platform with mast mechanism, mast support mechanism wants to be successively connected with mast mechanism, rear platform, by luffing device, principal arm mechanism is connected with mast mechanism again, make implement form stable mode of operation, there is the advantages such as operating radius is large, lateral stability is strong, selection is easy.
Actuator cylinder of the present utility model mechanism completes after the function that mast mechanism is installed, mainly still be connected with super-starting balance weight device, for it provides the power of realizing luffing function, and the connection of balancing device can be counterweight pulling force and motion guide are provided, also just facilitate this luffing mechanism can be according to the setting of control program, in the time having difference to hang carrying capacity according to according to demand luffing to relevant position, it is convenient to control, and reliability is strong, has better work efficiency.
The utility model compact conformation is reasonable, the greatly possible stress of having evaded falling is concentrated, walking adaptive faculty is strong, platform bearing surface is large, revolution steadily, be aided with the implement of H type two-spar structure, not only improved stability and the anti-side loading capability of complete machine, more can tackle calmly large operating radius and large hoisting moment requirement.Simultaneously also with the obvious advantage at aspects such as transport, costs.
Four, brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of platform;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the package assembly schematic diagram of base of getting off;
Fig. 5 is the structural representation of getting off after base assembling;
Fig. 6 is the structural representation that base is connected with crawler belt of getting off;
Fig. 7 is the structural representation of super-starting balance weight device.
Five, detailed description of the invention
Ultra-large type crawler crane mainly comprises principal arm 1, cargo hook gear 2, platform 3, get off 4, actuator cylinder 5, balancing device 6, super-starting balance weight device 7, mast support 8, mast 9 and luffing device 10.The combined platform that platform 3 is made up of central platform 15, left platform 12, right platform 13, front platform 11 and rear platform 16.Central platform 15 is connected and fixed with the installation otic placode of getting off on 4 by the connecting cross beam 14 of self through revolution rolling disk 19 and Connection Block 20, actuator cylinder 5 is hinged with the actuator cylinder otic placode 21 in central platform, mast support 8 is hinged to after mast 9, the mast connection otic placode 18 being connected with the support on rear platform 16 respectively on otic placode 22 and front platform 11 is connected and fixed, it is hinged that principal arm 1 and the principal arm on front platform 11 are connected otic placode 17, it is hinged that luffing device 10 and the luffing on rear platform 16 are connected otic placode 23, and be connected with mast 9 by variable-amplitude steel wire rope, be connected with the arm-tie on principal arm 1 again, the counterweight 34 of super-starting balance weight device 7 is integrated with platform ballast, is installed on folding rod 33, and folding rod 33 is driven by actuator cylinder 5, and it is hinged that actuator cylinder 5 and the actuator cylinder on main platform are connected otic placode 21.
The base 32 of getting off above 4 is made up of six Stiff Blocks assemblings, be respectively two left crossbeams 25, two right crossbeams 26 and two side crossbeams 27, left crossbeam 25 is fixed into a girder with right crossbeam 26 by bearing pin, be connected on side crossbeam 27 with wearing pin assembly 29 again, base body fixes four fender rods 30 of rear use and does prismatic connection, and above the base after assembling, amalgamation goes out complete annular gear ring track 28.Of the present utility model getting off 4 has four crawler belts 31, and crawler belt 31 connects through the sleeve on base 32, and crawler belt 31 can rotate around sleeve, strengthens complete machine stability, reduces grounding pressure, thus the requirement of reduction equipment to surface condition.Supporting mechanism connection otic placode 24 coupling link rail dolly H type two-spar structures below platform 3 front and back platforms are all worn pin by power and are connected on platform 3, the first logical pair truss that are assembled into of principal arm 1, be connected on front platform 11 with whipline again, mast 9 is assembled into after two truss balancing device 6 one end, mast support mechanism 8 one end are connected to different hinges on mast head, and then be connected on front platform 11, after the two truss of mast support 8 composition, be to want to be first connected with rear platform 16, make itself and mast 9 form stable cam mechanism, again by the connection of luffing device 10 to principal arm 1 and mast mechanism 9, realize the luffing control to implement.Super-starting balance weight device 7 is connected on rear platform 16, actuator cylinder mechanism 5 completes after the task that mast mechanism 9 is installed, by the promotion of locating oil cylinder, be connected with the folding rod 33 use power bearing pins on super-starting balance weight device 7, provide power for promoting counterweight 34, the other end of last balancing device will be connected to counterweight 34 one end of folding rod 33, for the luffing of counterweight 34 provides pulling force and guiding.
Claims (4)
1. a ultra-large type crawler crane, mainly comprise principal arm (1), cargo hook gear (2), platform (3), get off (4), actuator cylinder (5), balancing device (6), super-starting balance weight device (7), mast support (8), mast (9) and luffing device (10), platform (3) is connected and fixed with get off (4) by the connecting cross beam of self, actuator cylinder (5) is hinged with platform (3), mast support (8) is hinged to after mast (9), respectively with platform (3) on front and back otic placode be connected and fixed, principal arm (1) is hinged with platform (3), luffing device (10) is connected with mast (9) by variable-amplitude steel wire rope, be connected with the arm-tie on principal arm (1) again, balancing device (6) is hinged hinged with super-starting balance weight device (7) again with mast head, form stabilizing mechanism, principal arm (1), mast support (8), mast (9) and balancing device (6) are H type two-spar structure, it is characterized in that: the structure that platform (3) is multi-platform composition, central platform (15) is fixed on base (20) by connecting cross beam (14), main platform has (13) two, left platform (12) and right platform, be assemblied in central platform (15) both sides, on a left side, right platform is provided with lifting, amplitude-changing drum and anti-tilt device, platform before the front and back end of main platform is provided with (11) and rear platform (16), have ring rail dolly below forward and backward platform, and the gear ring track (28) on ring rail dolly and base (32) adapts.
2. ultra-large type crawler crane according to claim 1, it is characterized in that: (4) base (32) above of getting off is made up of six Stiff Block assemblings, be respectively two left crossbeams (25), two right crossbeams (26) and two side crossbeams (27), left crossbeam (25) is fixed into a girder with right crossbeam (26) by bearing pin, be connected on side crossbeam (27) with wearing pin assembly (29) again, base body fixes four fender rods of rear use (30) and does prismatic connection, and above the base after assembling, amalgamation goes out complete annular gear ring track (28).
3. ultra-large type crawler crane according to claim 1, is characterized in that: get off (4) have four crawler belts (31), and crawler belt (31) connects through the sleeve on base (32), and crawler belt (31) can rotate around sleeve.
4. ultra-large type crawler crane according to claim 1, is characterized in that: the counterweight (34) of super-starting balance weight device (7) is integrated with platform ballast, is installed on folding rod (33) upper, and folding rod (33) is driven by actuator cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413666.5U CN203946817U (en) | 2014-07-25 | 2014-07-25 | A kind of ultra-large type crawler crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413666.5U CN203946817U (en) | 2014-07-25 | 2014-07-25 | A kind of ultra-large type crawler crane |
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| CN203946817U true CN203946817U (en) | 2014-11-19 |
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| CN201420413666.5U Active CN203946817U (en) | 2014-07-25 | 2014-07-25 | A kind of ultra-large type crawler crane |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439004A (en) * | 2016-01-11 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Hoisting equipment |
| CN107117542A (en) * | 2017-06-30 | 2017-09-01 | 徐州重型机械有限公司 | Crane |
| CN107140557A (en) * | 2017-06-12 | 2017-09-08 | 徐州重型机械有限公司 | The special jib structure of wind-powered electricity generation and crane |
| CN107337123A (en) * | 2017-06-16 | 2017-11-10 | 徐州重型机械有限公司 | Boom system and crane |
| CN112938780A (en) * | 2021-02-05 | 2021-06-11 | 中联重科股份有限公司 | Hoisting equipment |
| CN113800408A (en) * | 2021-09-28 | 2021-12-17 | 徐工集团工程机械股份有限公司建设机械分公司 | Circular rail crane, circular rail crane assembling method and circular rail crane disassembling method |
| WO2022227665A1 (en) * | 2021-04-28 | 2022-11-03 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and control method therefor |
-
2014
- 2014-07-25 CN CN201420413666.5U patent/CN203946817U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439004A (en) * | 2016-01-11 | 2016-03-30 | 徐工集团工程机械股份有限公司 | Hoisting equipment |
| CN107140557A (en) * | 2017-06-12 | 2017-09-08 | 徐州重型机械有限公司 | The special jib structure of wind-powered electricity generation and crane |
| WO2018227919A1 (en) * | 2017-06-12 | 2018-12-20 | 徐州重型机械有限公司 | Special wind-power boom structure and crane |
| CN107337123A (en) * | 2017-06-16 | 2017-11-10 | 徐州重型机械有限公司 | Boom system and crane |
| CN107117542A (en) * | 2017-06-30 | 2017-09-01 | 徐州重型机械有限公司 | Crane |
| CN112938780A (en) * | 2021-02-05 | 2021-06-11 | 中联重科股份有限公司 | Hoisting equipment |
| WO2022227665A1 (en) * | 2021-04-28 | 2022-11-03 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and control method therefor |
| CN113800408A (en) * | 2021-09-28 | 2021-12-17 | 徐工集团工程机械股份有限公司建设机械分公司 | Circular rail crane, circular rail crane assembling method and circular rail crane disassembling method |
| CN113800408B (en) * | 2021-09-28 | 2024-04-16 | 徐工集团工程机械股份有限公司建设机械分公司 | Ring rail crane, ring rail crane assembling method and disassembling method |
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