CN101585489A - Rail-mounted tower crane with combination arm and movable arm - Google Patents

Rail-mounted tower crane with combination arm and movable arm Download PDF

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Publication number
CN101585489A
CN101585489A CNA2009100163347A CN200910016334A CN101585489A CN 101585489 A CN101585489 A CN 101585489A CN A2009100163347 A CNA2009100163347 A CN A2009100163347A CN 200910016334 A CN200910016334 A CN 200910016334A CN 101585489 A CN101585489 A CN 101585489A
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China
Prior art keywords
arm
bearing
board
luffing
rail
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Pending
Application number
CNA2009100163347A
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Chinese (zh)
Inventor
仉健康
沈兰华
范开英
史海红
吴庆富
刘兰荣
韩吉超
王进峰
孟庆芹
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Shandong Fenghui Equipment Technology Co Ltd
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Shandong Fenghui Equipment Technology Co Ltd
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Application filed by Shandong Fenghui Equipment Technology Co Ltd filed Critical Shandong Fenghui Equipment Technology Co Ltd
Priority to CNA2009100163347A priority Critical patent/CN101585489A/en
Publication of CN101585489A publication Critical patent/CN101585489A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of rail-mounted tower crane with combination arm and movable arm, comprise arm, the root of arm is articulated in the front end face of board, board is provided with Shears, lifting mechanism, luffing mechanism, Electric Appliance Cabinet and operator's compartment, and lifting mechanism is connected by the pulley of Shears top with the arm head with luffing mechanism; Board is arranged on the bearing, and bearing is located on the body of the tower, and body of the tower is located on the seat beam, and seat beam connects walking beam, and the walking beam bottom is provided with walking carriage.That the present invention has is in light weight, volume is little, and the work wide coverage, is more suitable for advantages such as power station construction use.

Description

Rail-mounted tower crane with combination arm and movable arm
Technical field
The present invention relates to a kind of hoisting device, specifically a kind of rail-mounted tower crane with combination arm and movable arm.
Background technology
At present in the power plant construction, the weight-lifting equipment that construction needs, requiring has higher sling height, and can cover long-pendingly than large working area, and frequent use is lift and large-scale tower crane at present.Lift weight is less, and installation and transportation are also relatively convenient, but the protection face of working is too little, often needs accessory equipment to realize moving and uses; Though and the hoisting capacity of tower crane is very big, covering radius is little when having big elevating capacity, and whole area coverage is limited by length of boom, also needs attachment device usually, to on-the-spot structural requirement height.Also there is complex structure in large-scale tower crane, and manufacture difficulty is big, install, the dismounting cycle is long, and the shortcoming that expense is high, transportation is cut to and is also had a lot of difficulties.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of in light weight, volume is little, and work wide coverage is more suitable for the rail-mounted tower crane with combination arm and movable arm that power station construction is used.
For achieving the above object, the present invention adopts following technical proposals: a kind of rail-mounted tower crane with combination arm and movable arm, comprise arm, the root of arm is articulated in the front end face of board, board is provided with Shears, lifting mechanism, luffing mechanism and Electric Appliance Cabinet, and lifting mechanism is connected by the pulley of Shears top with the arm head with luffing mechanism; Board is arranged on the bearing, and bearing is located on the body of the tower, and body of the tower is located on the seat beam, and seat beam connects walking beam, and the walking beam bottom is provided with walking carriage.
Described arm adopts tubular joist structure, and it comprises bonded assembly head joint, middle segmentum intercalaris and root joint successively, and for square, the head joint is square taper to described root joint in the plane that hoisting; Segmentum intercalaris is provided with short standard knot in the different operating scope in order to adapt to, and middle segmentum intercalaris arm is connected to form by short standard knot and standard knot; The joint of described each section of arm uses round steel processing or the higher forging processing of working strength with the suitable material of arm.Arm is the multistage combination, removes the root joint, and outside the head joint, middle segmentum intercalaris has five meters sections and ten meters sections can realize the conversion length of boom, and length of boom can realize that overall length changes by changing combination, and amplitude can change, and then changes swinging radius.
Described Shears is made up of front strut and back stay, and both lower ends all are arranged on the board, and the upper end links together, and front strut is obliquely installed, and back stay is connected with board is vertical; Described Shears adopts the box beam form of splicing or uses shaped steel or the tubing making; Described front strut adopts low wide and up narrow variable section structure, makes the structure of Shears simpler, reduces steel rope rope stretching angle, optimizes cloth rope form.Lifting mechanism and luffing mechanism are separately positioned on the both sides, front and back of back stay on the board, have solved the interference problem that hoists with the luffing steel rope.
Described lifting mechanism adopts simply connected to walk two fall line mode, adopts two fixed pulleys at arm head joint, can not turn round the hook phenomenon because of external force reason generation steel ropes such as wind carry under the hook-shaped attitude of sky; Perhaps hoist rope is in the middle of the arm head saves away, and another steel rope is fixed on the riser of arm head joint and prevents to turn round hook.Described luffing mechanism adopts simply connected to walk four fall line mode, and luffing adopts steel rope to add the form of luffing drag-line; Perhaps adopt at arm head joint and add the luffing pulley, only use the mode of luffing steel rope to realize; Or the array mode of using arm-tie to add the luffing pulley of swing realizes; Described luffing movable pulley is during more than two, moving sliding being assembled on the whole pulley yoke of luffing; When the luffing movable pulley is two, by an axle two pulleys are rigidly connected, reach a torsion proof effect.
Described board adopts twin-spar construction or shaped steel truss structure, and described twin-spar construction is made up of shaped steel or splice box ellbeam; Wherein, the outstanding forward otic placode that forms of the web on the board, the root of arm is connected with the board otic placode by plain bearing.Board need cooperate swing type mechanism to make, and length can suitably be adjusted length by construction requirement.The board compact Layout, radius of turn is littler, has reduced environment requirements, is more conducive to the place at multitower machine cooperating.Board adopts box girder structure, and extension by web, convenience is provided for the installation of arm root hinge, and realized that the arm hinge is preposition, arm can have been set level the furnace roof plane, arm can be placed on the furnace roof plane, convenient maintenance, this makes the installation that arm is initial, the wire rope handling of steel rope, and the maintenance of assembly pulley is all convenient when the board top than hinge; Use board box girder web to support as hinge, simple in structure.
Described bearing is by ring beam, upper and lower little bearing, and swing bearing and swing type mechanism are formed, and go up little bearing and are welded in the board bottom, strengthen board and go up the rigidity of little bearing; Go up little bearing and be equipped with swing type mechanism, improve the accuracy of positioning of swing type mechanism; Connect two parts up and down of swing bearing between the little up and down bearing respectively, guarantee the cooperation of swing bearing by the location that guarantees upper and lower little bearing; Little bearing is welded in ring beam top down, and ring beam and following little bearing are connected as a single entity, and strengthens rigidity, improves accuracy of positioning; The bearing that cooperates body of the tower master string is set on the ring beam; Described bearing is axis tile structure or perpendicular flange or plane face flange form.
The web member of described body of the tower adopts the word of falling K rod type to arrange, body of the tower is that reassembling type or integral type are made.Body of the tower is made reassembling type and is helped transportation, makes integral type and helps processing and fabricating, simplifies technology, improves precision.
Described seat beam adopts wide cross section structure, and seat beam is a whole beam or is the twin beams form.Make whole beam and can reduce platform and set up, increase torsional stiffness.
Walking is provided with track girder, reduces the requirement to the power station furnace roof.The walking beam gauge can suitably be adjusted according to top construction, can realize that working area covers whole furnace roof, do not have substantially lifting less than the position, dead angle, and on most of area, can both lift by crane the goods of rated load weight.The walking gauge can be changed in certain amplitude by the decision of furnace roof shape and structure.At furnace roof track girder is set, top construction is not had strict demand.
Arm among the present invention, Shears, lifting mechanism, luffing mechanism, Electric Appliance Cabinet, board, bearing, body of the tower and seat beam are except the technology spy of foregoing description, and be all consistent with prior art, do not repeat them here.
Rail-mounted tower crane with combination arm and movable arm of the present invention, installation process is very simple, when cooperating on-the-spot another equipment (biggest lifting capacity is greater than 30T), can be with traveling gear, seat beam assembly unit lifting as a whole, bearing, body of the tower can integral hoistings, board and upper mounting component integral hoisting thereof, all the other arms, Shears, counterweight lifts respectively, and the whole erection process can be finished 1～2 working day; Rail-mounted tower crane with combination arm and movable arm of the present invention also can be by splitting the equipment hoisting combination by a rated load weight 15T, so very low to the requirement of construction.
Rail-mounted tower crane with combination arm and movable arm length of boom of the present invention requires design according to furnace roof, and its lifting scope is that work range can vertically cover whole furnace roof; The present invention is equipped with track and traveling gear, cooperates traveling gear that track girder is set, and by at the furnace roof cross motion, makes its lifting scope can laterally cover whole furnace roof.Can lift the gamut of furnace roof by walking lifting, do not have lifting less than the position, dead angle, and on most of area, can both lift by crane the goods of rated load weight.
Rail-mounted tower crane with combination arm and movable arm of the present invention is by the tower crane type test, and place in operation in the power plant construction of guyot, and on-site installation has only been used 2 working days, and place in operation rapidly.According to the introduction of on-site installation operating personal, rail-mounted tower crane with combination arm and movable arm of the present invention is installed simple, can replace the original flat arm that is used to hang substantially, and equipment cost is low, with the easier interference of avoiding between two equipment of cooperating of large-scale swing arm crane, simple operation, broad view, high efficiency is saved construction cost, reduce the building time of power plant, thereby create more economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein 1, arm, 2, Shears, 3, lifting mechanism, 4, luffing mechanism, 5, board, 6, bearing, 7, body of the tower, 8, walking beam, 9, seat beam, 10, walking carriage, 11, fixed pulley, 12, steel rope, 13, front strut, 14, back stay, 15, Electric Appliance Cabinet, 16, web, 17, otic placode, 18, ring beam, 19, go up little bearing, 20, little bearing down, 21, swing bearing, 22, swing type mechanism, 23, web member, 24, driving wheel, 25, actuating device, 26, flower wheel, 27, bogie frame, 28, braking and shock absorber.
A represents to overhaul operating mode among the figure, and B represents the amplitude peak operating mode, and C represents maximum hoisting moment operating mode, and D represents the maximum elevation operating mode.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Among Fig. 1, the root of arm 1 is articulated in the front end face of board 5, and board 5 is provided with Shears 2, lifting mechanism 3, luffing mechanism 4 and Electric Appliance Cabinet 15, and lifting mechanism 3 is connected by the pulley of Shears 2 tops with arm 1 head with luffing mechanism 4; Board 5 is arranged on the bearing 6, and bearing 6 is located on the body of the tower 7, and body of the tower 7 is located on the seat beam 9, and seat beam 9 connects walking beam 8, and walking beam 8 bottoms are provided with walking carriage 10.
Arm 1 adopts tubular joist structure, and it comprises bonded assembly head joint, middle segmentum intercalaris and root joint successively, and for square, the head joint is square taper to described root joint in the plane that hoisting, and is provided with short standard knot for adapting to the different operating scope; The interlude arm is connected to form by short standard knot and standard knot; The joint of described each section of arm uses round steel processing or the higher forging processing of working strength with the suitable material of arm.Arm 1 is the multistage combination, removes the root joint, and outside the head joint, middle segmentum intercalaris has five meters sections and ten meters sections can realize the conversion length of boom, and arm 1 length can realize that overall length changes by changing combination, and amplitude can change, and then changes swinging radius.
Shears 2 is made up of front strut 13 and back stay 14, and both lower ends all are arranged on the board 5, and the upper end is connected-rises, and front strut 13 is obliquely installed, back stay 14 and 5 vertical connections of board; Described Shears 2 adopts the box beam form of splicing or uses shaped steel or the tubing making; Described front strut 13 adopts low wide and up narrow variable section structure, makes the structure of Shears 2 simpler, reduces steel rope 12 rope stretching angles, optimizes cloth rope form.Lifting mechanism 3 and luffing mechanism 4 are separately positioned on the both sides, front and back of back stay 14 on the board 5, have solved the interference problem that hoists with luffing steel rope 12.
Lifting mechanism 3 adopts simply connected to walk two fall line mode, adopts two fixed pulleys 11 at arm 1 head joint, can not turn round the hook phenomenon because of external force reason generation steel ropes 12 such as wind carry under the hook-shaped attitude of sky; Perhaps hoist rope 12 is in the middle of the arm head saves away, and another steel rope 12 is fixed on the riser of arm head joint and prevents to turn round hook.
Luffing mechanism 4 adopts simply connected to walk four fall line mode, and luffing adopts steel rope 12 to add the form of luffing drag-line; Perhaps adopt at arm head joint and add the luffing pulley, only use the mode of luffing steel rope 12 to realize; Or the array mode of using arm-tie to add the luffing pulley of swing realizes; Described luffing movable pulley is during more than two, moving sliding being assembled on the whole pulley yoke of luffing; When the luffing movable pulley is two, by an axle two pulleys are rigidly connected, reach a torsion proof effect.
Board 5 adopts twin-spar construction or shaped steel truss structure, and described twin-spar construction is made up of shaped steel or splice box ellbeam; Wherein, the outstanding forward otic placode 17 that forms of the web 16 on the board 5, the root of arm 1 is connected with board otic placode 17 by plain bearing.Board 5 needs to cooperate swing type mechanism to make, and length can suitably be adjusted length by construction requirement.Board 5 compact Layout, radius of turn is littler, has reduced environment requirements, is more conducive to the place at multitower machine cooperating.Board 5 adopts box girder structure, and extension by web 16, convenience is provided for the installation of arm root hinge, and realized that the arm hinge is preposition, arm can have been set level the furnace roof plane, arm 1 can be placed on the furnace roof plane, convenient maintenance, this makes the installation that arm 1 is initial, the wire rope handling of steel rope 12, and the maintenance of assembly pulley is all convenient when the board top than hinge; Use board box girder web 16 to support as hinge, simple in structure.
Bearing 9 is by ring beam 18, upper and lower little bearing 19,20, and swing bearing 21 and swing type mechanism 22 are formed, and go up little bearing 19 and are welded in board 5 bottoms, strengthen board 5 and go up the rigidity of little bearing 19; Go up little bearing 19 and be equipped with swing type mechanism 22, improve the accuracy of positioning of swing type mechanism 22; Connect two parts up and down of swing bearing 21 between the little up and down bearing 19,20 respectively, guarantee the cooperation of swing bearing 21 by the location that guarantees upper and lower little bearing 19,20; Little bearing 20 is welded in ring beam 18 tops down, and ring beam 18 and following little bearing 19 are connected as a single entity, and strengthens rigidity, improves accuracy of positioning; The bearing that cooperates body of the tower master string is set on the ring beam 18; Described bearing is axis tile structure or perpendicular flange or plane face flange form.
The web member 23 of body of the tower 7 adopts the word of falling K rod type to arrange, body of the tower 7 is that reassembling type or integral type are made.
Seat beam 9 adopts wide cross section structure, and seat beam 9 is a whole beam or is the twin beams form, reduces platform and sets up, and increases torsional stiffness.
Walking carriage 10 direct mounts are in the two ends of walking beam 8, walking carriage 10 is made up of driving wheel 24 and actuating device 25, flower wheel 26, bogie frame 27 and braking and shock absorber 28, wherein an end of walking beam 8 is provided with driving wheel 24 and actuating device 25, and the other end is provided with flower wheel 26; Walking carriage 10 is hinged by bearing pin with walking beam 8.Walking is provided with track girder, reduces the requirement to the power station furnace roof.The walking beam gauge can suitably be adjusted according to top construction, can realize that working area covers whole furnace roof, do not have substantially lifting less than the position, dead angle, and on most of area, can both lift by crane the goods of rated load weight.The walking gauge can be changed in certain amplitude by the decision of furnace roof shape and structure.At furnace roof track girder is set, top construction is not had strict demand, thereby make this product that range of use widely be arranged.

Claims (9)

1. rail-mounted tower crane with combination arm and movable arm, comprise arm, it is characterized in that: the root of arm is articulated in the front end face of board, board is provided with Shears, lifting mechanism, luffing mechanism, Electric Appliance Cabinet and operator's compartment, and lifting mechanism is connected by the pulley of Shears top with the arm head with luffing mechanism; Board is arranged on the bearing, and bearing is located on the body of the tower, and body of the tower is located on the seat beam, and seat beam connects walking beam, and the walking beam bottom is provided with walking carriage.
2. rail-mounted tower crane with combination arm and movable arm according to claim 1, it is characterized in that: described arm adopts tubular joist structure, it comprises bonded assembly head joint, middle segmentum intercalaris and root joint successively, and for square, the head joint is square taper to described root joint in the plane that hoisting; Segmentum intercalaris is provided with short standard knot in the different operating scope arm in order to adapt to, and segmentum intercalaris is connected to form by short standard knot and standard knot in the arm; The joint of each joint of described arm uses and forging processing is processed or used to the round steel of the suitable material of arm.
3. rail-mounted tower crane with combination arm and movable arm according to claim 1, it is characterized in that: described Shears is made up of front strut and back stay, and both lower ends all are arranged on the board, and the upper end links together, front strut is obliquely installed, and back stay is connected with board is vertical; Described Shears adopts the box beam form of splicing or uses shaped steel or the tubing making; Described front strut adopts low wide and up narrow variable section structure; Lifting mechanism and luffing mechanism are separately positioned on the both sides, front and back of back stay on the board.
4. rail-mounted tower crane with combination arm and movable arm according to claim 1, it is characterized in that: described lifting mechanism adopts simply connected to walk two fall line mode, adopt two fixed pulleys at arm head joint, wherein a slice pulley is as leading sheave, another sheet pulley uses as external pillared stent, and energy actv. solution steel rope mill rope and steel rope are turned round the defective of hook; Perhaps hoist rope is in the middle of the arm head saves away, and another steel rope is fixed on the riser of arm head joint.
5. rail-mounted tower crane with combination arm and movable arm according to claim 1 is characterized in that: described luffing mechanism adopts simply connected to walk four fall line mode, and luffing adopts steel rope to add the form of luffing drag-line; Perhaps adopt at arm head joint and add the luffing pulley, only use the mode of luffing steel rope to realize; Or the array mode of using arm-tie to add the luffing pulley of swing realizes; Described luffing movable pulley is during more than two, moving sliding being assembled on the whole pulley yoke of luffing; When the luffing movable pulley is two, two pulleys are rigidly connected by an axle.
6. rail-mounted tower crane with combination arm and movable arm according to claim 1 is characterized in that: described board adopts twin-spar construction or shaped steel truss structure, and described twin-spar construction is made up of shaped steel or splice box ellbeam; Wherein, the outstanding forward otic placode that forms of the web on the board, the root of arm is connected with the board otic placode by plain bearing.
7. rail-mounted tower crane with combination arm and movable arm according to claim 1, it is characterized in that: described bearing is by ring beam, upper and lower little bearing, swing bearing and swing type mechanism are formed, go up little bearing and be welded in the board bottom, and be equipped with swing type mechanism, connect by swing bearing between the little up and down bearing, little bearing is welded in ring beam top down, and the bearing that cooperates body of the tower master string is set on the ring beam; Described bearing is axis tile structure or perpendicular flange or plane face flange form.
8. rail-mounted tower crane with combination arm and movable arm according to claim 1 is characterized in that: the web member of described body of the tower adopts the word of falling K rod type to arrange, body of the tower is that reassembling type or integral type are made.
9. rail-mounted tower crane with combination arm and movable arm according to claim 1 is characterized in that: described seat beam adopts wide cross section structure, and seat beam is a whole beam or is the twin beams form.
CNA2009100163347A 2009-06-11 2009-06-11 Rail-mounted tower crane with combination arm and movable arm Pending CN101585489A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070097A (en) * 2010-11-23 2011-05-25 中国水利水电第七工程局有限公司 Free mobile gate seat tower crane
CN102786006A (en) * 2011-05-20 2012-11-21 上海庞源机械租赁股份有限公司 Super large-gauge walking tower-type crane walking underframe structure
WO2013004096A1 (en) * 2011-07-05 2013-01-10 上海三一科技有限公司 Support structure capable of improving jib bearing capability and crane with the support structure
CN110745711A (en) * 2019-11-29 2020-02-04 郑州科润机电工程有限公司 Tower crane for wind power hoisting convenient to transition
CN110745711B (en) * 2019-11-29 2024-05-03 华电郑州机械设计研究院有限公司 Tower crane convenient to transfer for wind power hoisting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070097A (en) * 2010-11-23 2011-05-25 中国水利水电第七工程局有限公司 Free mobile gate seat tower crane
CN102786006A (en) * 2011-05-20 2012-11-21 上海庞源机械租赁股份有限公司 Super large-gauge walking tower-type crane walking underframe structure
WO2013004096A1 (en) * 2011-07-05 2013-01-10 上海三一科技有限公司 Support structure capable of improving jib bearing capability and crane with the support structure
CN110745711A (en) * 2019-11-29 2020-02-04 郑州科润机电工程有限公司 Tower crane for wind power hoisting convenient to transition
CN110745711B (en) * 2019-11-29 2024-05-03 华电郑州机械设计研究院有限公司 Tower crane convenient to transfer for wind power hoisting

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Open date: 20091125