CN106006373A - Beam crane with top-arranged angular trolley - Google Patents

Beam crane with top-arranged angular trolley Download PDF

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Publication number
CN106006373A
CN106006373A CN201610566849.4A CN201610566849A CN106006373A CN 106006373 A CN106006373 A CN 106006373A CN 201610566849 A CN201610566849 A CN 201610566849A CN 106006373 A CN106006373 A CN 106006373A
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CN
China
Prior art keywords
girder
angle
style
wheel
dolly
Prior art date
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Granted
Application number
CN201610566849.4A
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Chinese (zh)
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CN106006373B (en
Inventor
张微宏
马舜
汪宏
李伟忠
熊伟东
徐金海
陈军
张世阔
吕正锐
蒋海明
张瑛
王怀新
周东
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Hangzhou Special Equipment Detects Research Institute
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Hangzhou Special Equipment Detects Research Institute
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Priority to CN201610566849.4A priority Critical patent/CN106006373B/en
Publication of CN106006373A publication Critical patent/CN106006373A/en
Application granted granted Critical
Publication of CN106006373B publication Critical patent/CN106006373B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00Runways, tracks or trackways for trolleys or cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14Trolley or crane travel drives

Abstract

The invention discloses a beam crane with a top-arranged angular trolley. The two ends of a main beam are fixedly connected to end beams, a main beam top cover plate extends out of a main beam main web plate and a main beam auxiliary web plate for forming outer edge beam plates, the angular trolley is installed on the main beam, a square rail is welded to the upper surface of the main beam top cover plate, the angular trolley rolls along the square rail, and operation stop devices are welded to the two ends of the square rail; electrical equipment is connected to the angular trolley through a cable; a frame of the angular trolley is provided with a driving assembly, a hoisting electric block, a rolling wheel type tilting-preventing mechanism and a safety hook structure, and the rolling wheel type tilting-preventing mechanism and the safety hook structure are both installed in cooperation with the outer edge beam plates. According to the beam crane, the hoisting electric block is arranged at the upper part of the main beam, the lifting height can be effectively increased by more than 1.5 meters, the civil engineering cost can be effectively saved, the shortcomings that the lifting height of traditional beam cranes is small, the traditional beam cranes shake easily in the work process and positioning of suspended loads is difficult can be overcome, and the economical benefits are remarkable.

Description

Beam cranes with overhead angle-style dolly
Technical field
The present invention relates to electric single beam crane, especially related to a kind of with overhead angle-style vehicle structure Electric single beam crane.
Background technology
Hoisting machinery is the special equipment that a kind of danger is bigger.At present China hoisting machinery amount numerous, Announce by " Zhejiang Province's special safety equipment status report in 2015 ", hoisting machinery 240552, electronic beam Formula crane accounts for again wherein most, and equipment from the accident is seen, electrical category equipment accounts for the overwhelming majority.
Beam cranes belongs to light little crane gear.In hoisting machinery, usually with steel-wire rope type electric block As lifting mechanism, and the light little crane gear of ground controlling form is mostly used to be referred to as beam cranes. Beam cranes with tonnage, compared with other cranes of span, have that mechanism is simple, light self-weight, The features such as cost is low, applied range.Crane is as the requisite key of equipment manufacture and important sets Standby, the reliability of its work, safety, advance are constantly subjected to the great attention of people, but in decades, China's beam cranes exists that lifting altitude is low, the electric block that hoists is suspended on below girder, during work always Easily rocking, hang load difficulty location, hoist the weakness such as electric block easily falls, and State Council 549 command is " extraordinary Equipment safety monitor regulations " the 64th article of (four) money regulation: lifting mechanism falls and is ordinary accident Occur, therefore solving above-mentioned beam cranes weakness is the target that everybody pursues.
Summary of the invention
Have for existing beam cranes that lifting altitude is low, the electric block that hoists is suspended on below girder always, Easily rocking during work, hang load difficulty location, hoist the shortcomings such as electric block easily falls, and the present invention proposes a kind of band The beam cranes of overhead angle-style dolly, to solve problem and the defect that conventional electric single-beam crane exists.
The technical solution adopted for the present invention to solve the technical problems is:
Mainly include that girder, end carriage, angle-style dolly and electrical equipment, girder and end carriage are box beam, main Beam two ends are welded with connecting plate, and connecting plate high-strength bolt is fixing with end carriage to be connected;Girder includes on girder The main web of cover plate, girder, girder pair web and girder lower cover, the main web of girder and girder pair web are respectively Before and after being connected between girder upper cover plate and girder lower cover, both sides form box beam structure;Angle-style dolly is pacified Being contained on girder, girder upper cover plate upper surface is welded with the square rail of the confession angle-style trolley travelling along girder direction Road, angle-style dolly rolls along square track, and the two ends of square track are welded with for spacing angle-style dolly level The operation backstop apparatus of movement, electrical equipment is connected with angle-style dolly by cable.
Described girder upper cover plate both ends horizontal is extended the main web of girder and is become external insulation beam with girder pair web profile Plate;Described angle-style dolly includes angle-style trolley frame and the driving assembly being arranged on angle-style trolley frame, hoists Electric block, dig the roller anti-overturn mechanism of safety protection function as first anti-dumping, as second Anti-dumping digs the bidirectional safe hook structure of safety protection function, roller anti-overturn mechanism and bidirectional safe hook structure All match installation with outer rim beam slab.
The described electric block that hoists is arranged close to the angle-style trolley frame of girder main web side by position block On.
Described driving assembly includes trolley drive motor, by motor car wheel group and adhesion wheel group, fixed shaft type Be fixedly mounted on angle-style trolley frame by axle end baffle plate by motor car wheel group and adhesion wheel group, by motor car wheel group, Adhesion wheel group is positioned on square track and rolls along square track, is all connected by motor car wheel group and adhesion wheel group Connect trolley drive motor, trolley drive motor run and drive passive wheel group and adhesion wheel group along square rail Road rolls.
Described roller anti-overturn mechanism includes support arm, gripper shoe and vertical reaction wheel group, vertical reaction wheel Group includes four vertical reaction wheels and two blocks of triangle wheel plates;Vertical reaction wheel group is arranged in girder pair web Side, support arm is connected close on the angle-style trolley frame of girder pair web side and extends to along girder vertical direction, Be installed with the gripper shoe of level on support arm, the two ends of gripper shoe respectively with on one block of triangle wheel plate Portion is hinged, and the medial wall of every piece of triangle wheel plate bottom is provided with the vertical anti-rolling that two horizontal Tiles are arranged Wheel;Vertical reaction wheel contacts with the lower surface of the outer rim beam slab of girder upper cover plate, rolls and is connected to described outer rim The lower surface of beam slab.
Described bidirectional safe hook structure includes calabash side safety door hook and vertical reaction wheel side safety door hook, the most instead Wheels side safety door hook is arranged close to the angle-style trolley frame bottom of girder main web side;Near girder main web side Angle-style trolley frame bottom connecting plate is installed, connecting plate is provided with mounting hole, and electric block side safety door hook is used Bolt is arranged on connecting plate and adjusts installation site by mounting hole;Electric block side safety door hook is anti-with vertical Wheels side safety door hook lays respectively at by the outer rim beam slab at the main web of girder and girder pair web, hook end position Put below outer rim beam slab.
Described angle-style dolly two ends are equipped with bolted buffer, and buffer is used for absorbing angle-style dolly fortune Row is to end of travel and the impact kinetic energy running backstop apparatus.
Described girder upper cover plate uses the low-alloy steel material that intensity is high.
Compared with background technology, the invention have the advantages that:
The present invention efficiently solves that tradition beam cranes exists that lifting altitude is low always, the electric block that hoists hangs Hanging over below girder, easily rock during work, hang load difficulty location, hoist the weakness such as electric block easily falls.
The present invention is by superior performance economical rationality and safe and reliable puts in the first place, handsome in appearance, compact conformation, By hoisting, electric block is suspended on below girder by traditional, changes into employing and is connected with by electric block On angle-style trolley frame, and it is arranged in above girder, thoroughly eliminates electric block and be suspended on girder lower work Time rock, hang the difficult positioning phenomenon of load.
The present invention with tradition beam cranes contrast, can effectively upgrade under the same terms rise reach 1.5 meters with On, the most effectively save civil engineering cost, economic benefit is very notable, and doubled carabiners designs, to guarantee to hang down Straight anti-roller groups etc., in the case of there is chance failure, the reliable hook girder upper cover plate of energy, balance tilting moment Fixed angle type dolly, is effectively improved this crane intrinsic safety, prevents lifting mechanism falling accident from occurring,
The anti-fall intrinsic safety of monkey of the present invention is effectively improved, and this crane structure is completely clear, makes With convenient for installation and maintenance, field of employment is wide, and economic benefit, safety benefit are good.
Accompanying drawing explanation
Fig. 1 is the front view that the present invention assembles.
Fig. 2 is the top view that the present invention assembles.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the A-A view of Fig. 1.
Fig. 5 is the front view of angle-style dolly of the present invention assembling.
Fig. 6 is the top view of angle-style dolly of the present invention assembling.
Fig. 7 is the left view of Fig. 1.
Fig. 8 is the right view of Fig. 1.
Fig. 9 is the doubled carabiners structure partial figure in the present invention on angle-style dolly.
In figure: 1. girder, 2. end carriage, 3. angle-style dolly, 4. electrical equipment, 5. connecting plate, 6. girder upper cover plate, 7. square track, 8. operation backstop apparatus, 9. by motor car wheel group, 10. vertical reaction wheel group, 11. adhesion wheel groups, 12. position blocks, 13. electric block side safety door hooks, 14. vertical reaction wheel side safety door hooks, 15. hoist electronic calabash Reed, 16. high-strength bolts, 17. angle-style trolley frames, 18. buffers, 19. trolley drive motors, 20. girder masters Web, 21. vertical reaction wheels, 22 wheel plates, 23. axle end baffle plates, 24. girder pair webs, 25. connecting plates, 26, support arm, 27, gripper shoe, 28, outer rim beam slab.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
The present invention is according to GB/T3811-2008 " hoist design specification ", GB6067-2010 " hoisting machinery Safety code " etc. the design of the countries concerned standards.
As shown in FIG. 1 to 3, the beam cranes that the present invention is embodied as mainly include girder 1, end carriage 2, Angle-style dolly 3 and electrical equipment 4, girder 1 and end carriage 2 are box beam, and girder 1 two ends are welded with connection Plate 5, as shown in Figure 4, connecting plate 5 is connected with high-strength bolt 16 is fixing with end carriage 2, thus girder 1 It is connected by connecting plate 5 and high-strength bolt 16 are fixing with end carriage 2.
As shown in Figure 4, girder 1 includes the main web of girder upper cover plate 6, girder 20, girder pair web 24 and Girder lower cover, the main web of girder 20 and girder pair web 24 are connected to girder upper cover plate 6 and girder Before and after between lower cover, both sides form box beam structure, and girder upper cover plate 6 uses the low-alloy steel that intensity is high Material, girder upper cover plate 6 both ends horizontal is extended outside the main web of girder 20 and the outer formation of girder pair web 24 Edge beam slab 28.
As depicted in figs. 1 and 2, angle-style dolly 3 is arranged on girder 1, and girder upper cover plate 6 upper surface welds Being connected to the square track 7 run along the confession angle-style dolly 3 in girder 1 direction, square track 7 is positioned at the main abdomen of girder The surface of plate 20, angle-style dolly 3 rolls along square track 7, and electrical equipment 4 is little with angle-style by cable Car 3 connects.
Girder uses Q235B steel plate forming girder construction, has simple structure, and structural rigidity is good, torsional property Good, bearing capacity is strong, the features such as overall stability is good, manufacturing process is ripe;Girder and the connection of end carriage Plate uses machining joint face and joins brill connecting hole, with high strength exploitation, it is ensured that crane products Quality.Girder meets intensity, rigidity (dynamic and static rigidity), stability requirement in design.End carriage uses U-shaped combined beam structure, this structure have be simple to manufacture, the advantage such as compact conformation.Electrical equipment is used for operating Control all directions motion of ground jack.
As shown in Figure 5-Figure 8, angle-style dolly 3 includes angle-style trolley frame 17 and is arranged on angle-style trolley frame 17 On drive assembly, the electric block 15 that hoists, dig as first anti-dumping safety protection function roller prevent Tilting mechanism, digging the bidirectional safe hook structure of safety protection function as second anti-dumping, roller is anti-tipping Agency all matches with outer rim beam slab 28 to safety hook structure installation.
As shown in Figure 6, the electric block 15 that hoists is arranged in girder main web 20 side, and hoist electric block 15 It is arranged close on the angle-style trolley frame 17 of girder main web 20 side by position block 12, is used for having guaranteed Rise electric block 15 installation accuracy and share the position block 12 of connecting bolt shear stress and be vertically welded on angle-style Trolley frame 17 side, the electric block 15 that hoists location is fixed on position block 12 sidewall, position block 12 It is connected with high-strength bolt 16 is fixing with angle-style trolley frame 17.
As shown in Figure 5,6, assembly is driven to include trolley drive motor 19, by motor car wheel group 9 and adhesion wheel Group 11, fixed shaft type be fixedly mounted on angle by motor car wheel group 9 and adhesion wheel group 11 by axle end baffle plate 23 On type trolley frame 17, it is positioned on square track 7 and along square track by motor car wheel group 9, adhesion wheel group 11 7 roll, and are all connected with trolley drive motor 19 by motor car wheel group 9 and adhesion wheel group 11, band brake motor Trolley drive motor 19 is bolted on angle-style trolley frame 11, and trolley drive motor 19 provides angle-style little Car 3 runs power, trolley drive motor 19 run the passive wheel group 9 of drive and adhesion wheel group 11 edge Square track 7 rolls.
As it is shown in figure 5, roller anti-overturn mechanism includes support arm 26, gripper shoe 27 and vertical reaction wheel group 10, vertical reaction wheel group 10 includes four vertical reaction wheels 21 and two blocks of triangle wheel plates 22;Vertical anti- Roller group 10 is arranged in girder pair web 24 side, and support arm 26 is connected close to girder pair web 24 side Extend on angle-style trolley frame 17 and to along girder 1 vertical direction, support arm 26 is installed with level Gripper shoe 27, the two ends of gripper shoe 27 respectively with one piece of triangle wheel plate 22 upper articulation, around hinge from By swinging, jointed shaft is along support arm 26 bearing of trend i.e. girder 1 vertical direction, and triangle wheel plate 22 is flat Row is in girder 1 direction, and the medial wall of every piece of triangle wheel plate 22 bottom is provided with two horizontal Tiles and arranges Vertical reaction wheel 21;As it is shown in fig. 7, vertical reaction wheel 21 and the outer rim beam slab 28 of girder upper cover plate 6 Lower surface contact, roll and be connected to the lower surface of described outer rim beam slab 28.
As shown in Figure 7 and Figure 8, using junction between two wheel groups 11,9 and square track 7 as propping up Point, it is another that vertical reaction wheel 21 and the intermolecular forces of girder upper cover plate 6 lower surface are used for balancing girder upper cover plate 6 The side electric block 15 that hoists is conducted oneself with dignity and hangs the tilting moment of load;It is articulated and connected by triangle wheel plate 22 Make vertical reaction wheel 21 and the girder upper cover plate 6 lower surface reliable contacts of triangle wheel plate 22 bottom, Avoid vertical reaction wheel 21 to skid, and the wheel of four vertical reaction wheels 21 of uniform distribution is pressed onto external insulation beam plate 28 Lower surface.
As it is shown in figure 9, bidirectional safe hook structure includes calabash side safety door hook 13 and vertical reaction wheel side safety door hook 14, vertical reaction wheel side safety door hook 14 is arranged close to angle-style trolley frame 17 bottom of girder main web 20 side, Vertical reaction wheel side safety door hook 14 is specifically welded on the bottom of support arm 26;Near girder main web 20 side Angle-style trolley frame 17 bottom connecting plate 25 is installed, connecting plate 25 is provided with mounting hole, electric block side Safety door hook 13 is arranged on connecting plate 25 with bolt and adjusts installation site by mounting hole, thus regulates electricity Gap after installing between dynamic calabash side safety door hook 13 and vertical reaction wheel side safety door hook 14;Such as Fig. 7 and Fig. 8 Shown in, electric block side safety door hook 13 and vertical reaction wheel side safety door hook 14 lay respectively at the main web of girder 20 and girder pair web 24 at outer rim beam slab 28 other, chimoto position is below outer rim beam slab 28.
As shown in Figure 7 and Figure 8, the setting of bidirectional safe hook structure makes crane of the present invention hang load suddenly Landing moment unloads in particular cases, i.e. at roller anti-overturn mechanism in the case of there is chance failure, logical Cross calabash side safety door hook 13 and vertical reaction wheel side safety door hook 14 is reliably hooked on outer rim beam slab 28, make angle Type dolly 3 can reliably be hooked on girder upper cover plate 6, balances tilting moment fixed angle type dolly 3, effectively Improve this crane intrinsic safety, prevent falling accident from occurring.
As it is shown in figure 1, the two ends of square track 7 are welded with the fortune moved horizontally for spacing angle-style dolly 3 Whereabouts lug-latch 8, as shown in Figure 6, angle-style trolley frame 17 two ends of angle-style dolly 3 are equipped with bolted slow Rushing device 18, buffer 18 is for coordinating with operation backstop apparatus 8, and buffer 18 is used for absorbing angle-style dolly fortune Row is to end of travel and the impact kinetic energy running backstop apparatus 8.
Above-mentioned detailed description of the invention is used for illustrating the present invention rather than limiting the invention, at this In the spirit of invention and scope of the claims, any modifications and changes that the present invention is made, all fall Enter protection scope of the present invention.

Claims (8)

1. a beam cranes for band overhead angle-style dolly, mainly include girder (1), end carriage (2), Angle-style dolly (3) and electrical equipment (4), it is characterised in that: girder (1) and end carriage (2) are box Beam, girder (1) two ends are welded with connecting plate (5), connecting plate (5) high-strength bolt (16) and end Beam (2) is fixing to be connected;Girder (1) includes that girder upper cover plate (6), the main web of girder (20), girder are secondary Web (24) and girder lower cover, the main web of girder (20) and girder pair web (24) are connected to Before and after between girder upper cover plate (6) and girder lower cover, both sides form box beam structure;Angle-style dolly (3) Being arranged on girder (1), girder upper cover plate (6) upper surface is welded with the confession angle-style along girder (1) direction The square track (7) that dolly (3) runs, angle-style dolly (3) rolls along square track (7), square rail The two ends in road (7) are welded with the operation backstop apparatus (8) moved horizontally for spacing angle-style dolly (3), electricity Gas equipment (4) is connected with angle-style dolly (3) by cable.
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 1, its feature exists In: described girder upper cover plate (6) both ends horizontal extends the main web of girder (20) and girder pair web (24) Outer formation external insulation beam plate (28);Described angle-style dolly (3) includes angle-style trolley frame (17) and is arranged on Driving assembly on angle-style trolley frame (17), the electric block that hoists (15), dig peace as first anti-dumping The roller anti-overturn mechanism of full protection effect, dig the bidirectional safe of safety protection function as second anti-dumping Hook structure, roller anti-overturn mechanism and bidirectional safe hook structure all match with outer rim beam slab (28) installation.
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 2, its feature exists In: the described electric block that hoists (15) is arranged close to the main web of girder (20) by position block (12) On the angle-style trolley frame (17) of side.
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 2, its feature exists In: described driving assembly includes trolley drive motor (19), by motor car wheel group (9) and adhesion wheel group (11), fixed shaft type is solid by axle end baffle plate (23) by motor car wheel group (9) and adhesion wheel group (11) Dingan County is contained on angle-style trolley frame (17), is positioned at square by motor car wheel group (9), adhesion wheel group (11) Track (7) is upper and rolls along square track (7), equal by motor car wheel group (9) and adhesion wheel group (11) Connect trolley drive motor (19), by trolley drive motor (19) run drive passive wheel group (9) and Adhesion wheel group (11) rolls along square track (7).
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 2, its feature exists In: described roller anti-overturn mechanism includes support arm (26), gripper shoe (27) and vertical reaction wheel group (10), Vertical reaction wheel group (10) includes four vertical reaction wheels (21) and two pieces of trianglees wheel plate (22);Hang down Straight anti-roller group (10) is arranged in girder pair web (24) side, and support arm (26) is connected close to girder The angle-style trolley frame (17) of secondary web (24) side is upper and extends to along girder (1) vertical direction, support arm (26) be installed with the gripper shoe (27) of level on, the two ends of gripper shoe (27) respectively with one piece of triangle Shape wheel plate (22) upper articulation, the medial wall of every piece of triangle wheel plate (22) bottom is provided with two The vertical reaction wheel (21) that horizontal Tile is arranged;Outside vertical reaction wheel (21) is with girder upper cover plate (6) Edge beam slab lower surface contacts, and rolls the lower surface being connected to described outer rim beam slab (28).
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 2, its feature exists In: described bidirectional safe hook structure includes calabash side safety door hook (13) and vertical reaction wheel side safety door hook (14), Vertical reaction wheel side safety door hook (14) is arranged close to the angle-style trolley frame (17) of girder main web (20) side Bottom;Near angle-style trolley frame (17) bottom of girder main web (20) side, connecting plate (25) is installed, Connecting plate (25) is provided with mounting hole, and electric block side safety door hook (13) bolt is arranged on connecting plate (25) Go up and adjust installation site by mounting hole;Electric block side safety door hook (13) and vertical reaction wheel side safety Hook (14) lays respectively at the main web of girder (20) and the outer rim beam slab (28) at girder pair web (24) place Side, chimoto position is in outer rim beam slab (28) lower section.
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 2, its feature exists In: described angle-style dolly (3) two ends are used equipped with bolted buffer (18), buffer (18) Absorb angle-style trolley travelling to end of travel and the impact kinetic energy running backstop apparatus (8).
The beam cranes of a kind of band overhead angle-style dolly the most according to claim 1, its feature exists In: described girder upper cover plate (6) uses the low-alloy steel material that intensity is high.
CN201610566849.4A 2016-07-15 2016-07-15 Beam cranes with overhead angle-style dolly Active CN106006373B (en)

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CN106006373B CN106006373B (en) 2017-11-28

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6250486B1 (en) * 1999-09-13 2001-06-26 Masamitsu Enoki Integrated balanced wire rope reeving system for cargo container handling cranes
CN1351952A (en) * 2001-10-09 2002-06-05 梁嘉麟 Structure combined electric single beam crane
CN2558635Y (en) * 2002-04-22 2003-07-02 杭州西子起重机械有限公司 Improved electric single-beam crane
CN201560057U (en) * 2009-11-13 2010-08-25 天津起重设备有限公司 Double-hoist trolley used for crane
CN201952123U (en) * 2011-01-10 2011-08-31 广东永通起重机械实业有限公司 Electric single-beam crane
CN203428764U (en) * 2013-08-12 2014-02-12 纽科伦(新乡)起重机有限公司 Hoist trolley and crane using same
CN203428765U (en) * 2013-08-09 2014-02-12 纽科伦(新乡)起重机有限公司 Hoist trolley and crane using same
CN104692257A (en) * 2015-03-18 2015-06-10 周磊 Single-beam overhead crane
CN105293278A (en) * 2015-11-18 2016-02-03 德马科起重机械有限公司 Electric block type double-rail and single-main-beam crane
CN205838363U (en) * 2016-07-15 2016-12-28 杭州市特种设备检测研究院 A kind of beam cranes of band overhead angle-style dolly

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6250486B1 (en) * 1999-09-13 2001-06-26 Masamitsu Enoki Integrated balanced wire rope reeving system for cargo container handling cranes
CN1351952A (en) * 2001-10-09 2002-06-05 梁嘉麟 Structure combined electric single beam crane
CN2558635Y (en) * 2002-04-22 2003-07-02 杭州西子起重机械有限公司 Improved electric single-beam crane
CN201560057U (en) * 2009-11-13 2010-08-25 天津起重设备有限公司 Double-hoist trolley used for crane
CN201952123U (en) * 2011-01-10 2011-08-31 广东永通起重机械实业有限公司 Electric single-beam crane
CN203428765U (en) * 2013-08-09 2014-02-12 纽科伦(新乡)起重机有限公司 Hoist trolley and crane using same
CN203428764U (en) * 2013-08-12 2014-02-12 纽科伦(新乡)起重机有限公司 Hoist trolley and crane using same
CN104692257A (en) * 2015-03-18 2015-06-10 周磊 Single-beam overhead crane
CN105293278A (en) * 2015-11-18 2016-02-03 德马科起重机械有限公司 Electric block type double-rail and single-main-beam crane
CN205838363U (en) * 2016-07-15 2016-12-28 杭州市特种设备检测研究院 A kind of beam cranes of band overhead angle-style dolly

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