CN102277969B - Climbing device and distributing rod for building machine - Google Patents
Climbing device and distributing rod for building machine Download PDFInfo
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- CN102277969B CN102277969B CN 201110098573 CN201110098573A CN102277969B CN 102277969 B CN102277969 B CN 102277969B CN 201110098573 CN201110098573 CN 201110098573 CN 201110098573 A CN201110098573 A CN 201110098573A CN 102277969 B CN102277969 B CN 102277969B
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- 230000009194 climbing Effects 0.000 title claims abstract description 138
- 230000007246 mechanism Effects 0.000 claims abstract description 153
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- 230000008859 change Effects 0.000 claims description 27
- 241001247821 Ziziphus Species 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 16
- 230000008602 contraction Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 description 8
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- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/32—Self-hoisting cranes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
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Abstract
The invention discloses a climbing device and a distributing rod for a building machine. The disclosed climbing device comprises a vertical column, a first frame, a second frame, and a driving mechanism, the first frame or the second frame are fixed with the vertical column; the driving mechanism comprises a driving part with two ends respectively connected with the first frame and the second frame; the first frame and the second frame are in a sliding cooperation in a vertical direction; in an unfolding state, the height of a frame body formed by the first frame and the second frame is higher than the height of a floor. Via telescoping of the driving part, the first frame and the second frame are the basis for each other, and are moving upwards or downwards gradually with respective to a predetermined floor, making the vertical column ascend or descend, and realizing gradual climbing and descending of the machine. Via the climbing device of the building machine, the driving mechanism itself ascends with the climbing of the building machine, and single operation upon the driving mechanism of the climbing device of the building machine is not needed, further simplifying climbing process of the building machine, and improving climbing efficiency.
Description
Technical field
The present invention relates to a kind of climbing technique of building machinery, particularly relate to a kind of climbing device of building machinery, also relate to a kind of boom that comprises this climbing device.
Background technology
Boom is one of widely used building machinery.Boom generally comprises underframe and lever arm, and the lever arm lower end links to each other with underframe by suitable slew gear.Lever arm is hinged and connected by the lateral shaft order by a plurality of joint arms and forms; Can change angle between the adjacent segments arm by suitable hydraulic cylinder, thereby change the position of lever arm end, with concrete conveyance to predetermined pouring position.
Along with the development of multilayer or high-story architecture construction technology, the boom that can climb is used widely in construction work.On common boom basis, the boom that can climb also comprises climbing device, and climbing device comprises a column with predetermined length, and the underframe of boom and the upper end of column are fixed.By means of predetermined floor, climbing device can make underframe and lever arm (for the convenience of describing, calling the boom body in the following text) move up with respect to building, thereby realizes climbing of boom.
Chinese patent literature CN10153428A discloses a kind of boom climbing device.This climbing device comprises guide rail, upper guide holder, lower guide holder, jacking cylinder and supporting mechanism and column.Guide rail arranges corresponding groove, and fixes with column.Upper guide holder, lower guide holder link to each other with the top and bottom of jacking cylinder respectively; Supporting mechanism links to each other with the lower guide holder that is positioned at the jacking cylinder lower end; Upper guide holder, lower guide holder, jacking cylinder and supporting mechanism form the driving mechanism of climbing device.Upper guide holder and lower guide holder all have the lock piece of pawl type, and this lock piece can snap in the groove of guide rail; When upper guide holder or lower guide holder moved up, this lock piece can with corresponding guide holder and guide rail locking, make guide holder or lower guide holder and guide rail maintenance relative fixing; When upper guide holder or lower guide holder moved down, this lock piece can be removed corresponding guide holder and guide rail locking relation, makes guide holder or lower guide holder and guide rail maintenance separate, and guide holder can move down with respect to guide rail.When boom climbed, lower guide holder was supported on by supporting mechanism on the upper surface of low floor of building, and the lock piece of upper guide holder snaps in the groove of guide rail; Jacking cylinder stretches out, and guide holder, guide rail and column rise simultaneously in the driving; After jacking cylinder was elongated to predetermined length, the lock piece of lower guide holder snapped in the groove of guide rail, and column and guide rail can not moved down with respect to building; Jacking cylinder is retracted, and upper guide holder moves down with jacking cylinder, moves to the precalculated position, and the lock piece of upper guide holder snaps in the groove of below of guide rail, and jacking cylinder is stretched out, and drives column and moves up; Repeatedly carry out said process, can make the boom body predetermined height that progressively upwards climbs, arrive the last layer floor, to carry out the concrete construction operation at the last layer floor.After the boom body is finished certain altitude and is climbed, in the time of the driving mechanism of climbing device need to being moved to upper floor, can move the solution lock handle on upper guide holder and the lower guide holder to released state, the lock piece of guide holder and lower guide holder can't be snapped in the groove of guide rail, by fixed pulley and steel chain the driving mechanism of climbing device is risen to a upper floor again.
Although above-mentioned climbing device can be realized the purpose that the boom body climbs, promote climbing device at needs, when upwards a floor shifts with the driving mechanism of climbing device, need to the driving mechanism of climbing device be operated separately.Because the operating position of boom generally has very high height, when moving up this driving mechanism, be difficult to by the realization of automation big machinery, this just need to by pulley and steel chain could realize climbing device driving mechanism on move.Therefore, owing to need to the driving mechanism of climbing device be operated separately, process is very loaded down with trivial details so that this boom climbs, and operates very inconveniently, and the efficient of climbing is also very low, and it is very large by force to work.
Above-mentioned technical problem does not exist only in the boom, is to have in the tower crane or other building machineries of climbing device yet.
How when guaranteeing that building machinery upwards climbs automatically, simplify the process of climbing of building machinery, improve the efficient of climbing, the labour intensity that reduces operating personnel is those skilled in the art's technical issues that need to address.
Summary of the invention
For above-mentioned deficiency, first purpose of the present invention is, a kind of climbing device of building machinery is provided, utilize the climbing device can be when guaranteeing that building machinery upwards climbs, simplify the process of climbing of building machinery, improve the efficient of climbing, reduce operating personnel's labour intensity.
On the basis of the climbing device that above-mentioned building machinery is provided, second purpose of the present invention is to provide a kind of boom that comprises this climbing device.
The climbing device of building machinery provided by the invention comprises column, the first framework, the second framework and driving mechanism, and described the first framework or the second framework and column are fixed; Described driving mechanism comprises the driver part that two ends link to each other with the second framework with the first framework respectively; Described the first framework and the second framework are slidingly matched in vertical direction; Under deployed condition, the height of the frame body that described the first framework and the second framework form is greater than the height of a floor.
Optionally, in described the first framework and the second framework, the height of a framework is not less than the height of a floor, and the height of another framework is greater than the height of a floor; The difference of the length of described driver part elongation state and the length of contraction state is not less than the height of a floor.
Optionally, described driving mechanism comprises driver part, climb framework and status switching mechanism, and described driver part two ends link to each other with the framework that climbs with the first framework respectively; Described framework and the second framework of climbing is slidingly matched in vertical direction; Described status switching mechanism climbs between framework and the second framework described; Described status switching mechanism can change the relation of climbing between framework and the second framework by locking structure, makes the described framework that climbs move up, to move down or to keep fixing with the second framework with respect to the second framework.
Optionally, described driving mechanism also comprises tooth bar and the gear that cooperates with tooth bar, and described tooth bar vertically extends, and fixes with described the second framework, and described gear is rotatably installed on the described framework that climbs; Described status switching mechanism comprises the first ratchet mechanism and the second ratchet mechanism; The ratchet that described the first ratchet mechanism and the second ratchet mechanism include ratchet and match with the ratchet of ratchet; Described ratchet is rotatably installed on the described framework that climbs; The ratchet of the ratchet of described the first ratchet mechanism and the second ratchet mechanism all with described gear coaxial rotating; The locking direction of described the first ratchet mechanism and the locking opposite direction of the second ratchet mechanism.
Optionally, described driving mechanism comprises the first sour jujube bar mechanism of upward direction locking and the second sour jujube bar mechanism of upward direction locking, the ratchet that described the first sour jujube bar mechanism and the second sour jujube bar mechanism include the sour jujube bar and match with the ratchet of sour jujube bar, described sour jujube bar and described the second framework are fixed, and described ratchet links to each other with the framework that climbs.
Optionally, described driving mechanism comprises pedestal, bearing pin and locking bar; Described locking bar vertically extends, and fixes with the second framework, and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal is fixed with the framework that climbs; Described bearing pin and pedestal are slidingly matched in the horizontal direction, form simultaneously the horizontally extending rotatable cooperation of rotation; Match with the locking hole of locking bar in described bearing pin outer end; Described bearing pin has the inclined-plane that intersects with outer face and side face, and the bearing pin inner end is supported on the pedestal by elastomeric element.
Optionally, described driving mechanism comprises pedestal, hydraulic cylinder, bearing pin and locking bar; Described locking bar vertically extends, and fixes with described the second framework, and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal is fixed with the framework that climbs; Described hydraulic cylinder one end links to each other with pedestal, and the other end links to each other with described bearing pin; Match with the locking hole of locking bar in described bearing pin outer end.
Optionally, described driving mechanism comprises pedestal, bearing pin and locking bar; Described locking bar vertically extends, and fixes with the second framework, and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal and the described framework that climbs are fixed; Described pedestal comprises guiding cylindrical shell, base plate and outside fix cylinder, and described base plate and outside fix cylinder all are sleeved on the inwall of guiding cylindrical shell, and forms the slip cavity between the inner face of described base plate one end face and outside fix cylinder; The internal face of described bearing pin and described outside fix cylinder is slidingly matched, and bearing pin the inner comprises the drive plate that extends radially outwardly; Form the retraction plunger piston fluid pressure cylinder in the described outside fix cylinder, the outer end of the plunger of described retraction plunger piston fluid pressure cylinder and drive plate outer face are inconsistent; Form overhanging plunger piston fluid pressure cylinder in the described base plate, the outer end of the plunger of described overhanging plunger piston fluid pressure cylinder and the inner face of described bearing pin are inconsistent; Match with the locking hole of locking bar in described bearing pin outer end.
Optionally, described the first framework and the second framework are tubular structure, and the first framework and the socket of the second framework.
Optionally, described the first framework is enclosed within outside the second framework.
Optionally, described the first framework and the second framework are tubular structure, and the first framework and the socket of the second framework;
Described driving mechanism comprises two described driver parts, and two described driver parts all are positioned at the first framework outside, and are positioned at simultaneously the outside of the second framework, and two described driver parts are symmetrical with respect to the center line of the first framework; Perhaps, comprise a driver part, it is inboard that described driver part is positioned at the first framework, and be positioned at simultaneously the inboard of the second framework.
Boom provided by the invention comprises underframe, lever arm and climbing device, and described climbing device is the climbing device of above-mentioned any building machinery, and described underframe and described column upper end are fixing.
The climbing device of building machinery provided by the invention comprises the first framework, the second framework and driving mechanism; Described the first framework and the second framework are slidingly matched in vertical direction, wherein, column can be fixedly linked with the first framework or the second framework, and described the first framework all can be fixed with floor with the second framework: described driving mechanism comprises the driver part that two ends link to each other with the second framework with the first framework respectively.Under deployed condition, the height of the frame body that described the first framework and the second framework form like this, under predetermined state, can make the first framework and predetermined floor fix greater than the height of a floor; Take the first framework as the basis, flexible by driver part can make the second framework move up with respect to the first framework or move down; The second framework is fixed with respect to the predetermined floor of building, driver part suitably is set, make the position of the second framework between two floors; Pass through again the flexible of driver part, the first framework is moved up or down with respect to the second framework, because the height of the frame body that the first framework and the second framework form can make the first framework can fix with a predetermined floor at least greater than the height of a floor.So just can make each other basis of the first framework and the second framework, flexible by driver part carries out said process repeatedly, can make with the fixing column of the first framework or the second framework to rise or descend, and realizes progressively climbing and descending of building machinery.Utilize the climbing device of this building machinery can guarantee that building machinery upwards climbs automatically, simultaneously, itself also rises driving mechanism along with climbing of building machinery, therefore, do not need the driving mechanism of the climbing device of building machinery is operated separately, and then can simplify the building machinery process of climbing, and improve the efficient of climbing, reduce operating personnel's labour intensity.
Further in the technical scheme, in described the first framework and the second framework, the height of a framework is not less than the height of a floor, and the height of another framework is greater than the height of a floor; Described the first framework and the second framework are slidingly matched in vertical direction; Described driving mechanism comprises the driver part that two ends link to each other with the second framework with the first framework respectively; The difference of the length of described driver part elongation state and the length of contraction state is not less than the height of a floor.Like this, when building machinery climbs, can make the second framework lower end be supported on the upper surface of first a predetermined floor, the upper end is stretched in the reserved opening of the second floor; Driver part is extended, make the move up height of at least one floor of the first framework, make the first framework lower end be supported on the upper surface of the second floor; At this moment, the first frame height is not less than a story height, and the second frame height is greater than the height of a floor, and like this, the upper end of the first framework can be stretched in the reserved opening of third story layer, and can guarantee being slidingly matched between the first framework and the second framework; Then, make the first framework keep motionless again, driver part is shunk, make the move up height of a floor of the second framework, make the second framework lower end be supported on the second floor upper surface, the upper end is stretched in the reserved opening of third story layer; Again by driver part, make the move up height of a floor of the first framework.By the iterative cycles of said process, can realize progressively climbing of building machinery, by reverse movement, building machinery is progressively descended; Said structure can improve the reliability of climbing device, improves the safety that building machinery climbs.
Further in the technical scheme, described driving mechanism comprises driver part, climb framework and status switching mechanism, and described driver part two ends link to each other with the framework that climbs with the first framework respectively; Described framework and the second framework of climbing is slidingly matched in vertical direction; Described status switching mechanism is climbing between framework and the second framework; Described status switching mechanism can change the relation of climbing between framework and the second framework, makes the described framework that climbs move up, to move down or keep fixing with respect to the second framework; Namely be under the first state in the relation of climbing between framework and the second framework, the described framework that climbs can be moved up with respect to the second framework, be under the second state, the described framework that climbs can be moved down with respect to the second framework in the relation of climbing between framework and the second framework, and then driver part is stretched, change the relative position that climbs between framework and the second framework; Be in the third state lower time in the relation between framework and the second framework of climbing, make climb frame and described the second framework keep fixing, and then, driving mechanism can be take the second framework as the basis, driver part is stretched, the first framework is moved up or down with respect to the second framework, realize climbing or descending of building machinery.The process that this driving mechanism can move the first framework or the second framework a story height (or other predetermined altitudes) is divided into a plurality of steps; Namely when needs the first framework moves up the height of a floor with respect to the second framework, can make first the relation of climbing between framework and the second framework remain on the third state, make and climb frame supported on the second framework, make driver part elongation, make the first framework with respect to the second framework preset distance that moves up; Then, make the relation of climbing between framework and the second framework be in the first state, and make the first framework and the second framework keep motionless; Driver part is shunk, climb framework with respect to the second framework predetermined distance that moves up, make again the relation of climbing between framework and the second framework keep the third state, make the framework that climbs again be supported on the second framework, make again driver part elongation, make the first framework with respect to the second framework preset distance that again moves up; Can make the first framework with respect to the move up height of at least one floor of the second framework by a plurality of steps.When the second framework is moved up with respect to the first framework, can make first the relation of climbing between framework and the second framework keep the third state, climb framework and the second framework are fixed, and make the first framework and the second framework keep motionless; Driver part is shunk, drive the second framework with respect to the first framework preset distance that moves up by the framework that climbs; Then, make again the relation of climbing between framework and the second framework be in the second state, and the first framework and the second framework keep motionless; Make driver part elongation, the framework that climbs moves down predetermined distance with respect to the second framework, makes the relation of climbing between framework and the second framework keep the third state again, and the first framework and the maintenance of the second framework are motionless, and climb framework and the second framework are fixed; Driver part is shunk, make the second framework preset distance that moves up.Can make the second framework with respect to the move up height of at least one floor of the first framework by a plurality of steps.
In further technical scheme, described status switching mechanism comprises the meshed gears rackwork, with the stability that guarantees to climb and be slidingly matched between framework and the second framework; Make climb framework and second framework maintenance locking as locking structure in predetermined direction with bidirectional ratchet mechanism.Can guarantee like this job stability and the reliability of climbing device.
In further technical scheme, described status switching mechanism utilizes Hydraulic Elements to carry out the state conversion, can further improve like this functional reliability and the stability of climbing device.
In further technical scheme, the first framework and the second framework are tubular structure, and the first framework and the socket of the second framework not only can guarantee reliability and the safety of building machinery climbing device like this, can also guarantee the reliability of climbing device state conversion.
Description of drawings
Fig. 1 is the structural representation of the boom climbing device that provides of the embodiment of the invention one;
Fig. 2 a-2c is the operating principle schematic diagram of the boom climbing device that provides of the embodiment of the invention one;
Fig. 3 is the structural representation of the boom climbing device that provides of the embodiment of the invention two;
Fig. 4 is the structural representation of the boom climbing device that provides of the embodiment of the invention three;
Fig. 5 is among the embodiment three, the perspective view of the driving mechanism of boom climbing device;
Fig. 6 is the structure for amplifying schematic diagram of I-I part among Fig. 5, the figure shows the structural representation of driving mechanism among the embodiment three;
Fig. 7 is the structural representation of the second status switching mechanism provided by the invention;
Fig. 8 is the sectional structure schematic diagram of the third status switching mechanism provided by the invention.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.For the convenience of describing, below take boom as example, technical scheme provided by the invention is described; Be appreciated that method provided by the invention and product also can be applied in other building machineries, in the tower crane that can be applied to climb.
Please refer to Fig. 1, this figure is the structural representation of the boom climbing device that provides of the embodiment of the invention one.The boom climbing device that embodiment one provides comprises column (not shown), the first framework 100, the second framework 200 and driving mechanism.Wherein, the first framework 100 highly is the height H (shown in Fig. 2 a) of a floor), the second framework 200 height are greater than the height H of a floor; The first framework 100 and the second framework 200 are slidingly matched in vertical direction.In this example, the first framework 100 and the second framework 200 are tubular structure, and the first framework 100 is enclosed within the second framework 200 outsides, and the second framework 200 is fixed with column; In addition, the first framework 100 and the second framework 200 are respectively arranged with the structure fixing with predetermined floor.Driving mechanism comprises two driving oil cylinders 310 that distribute with respect to the first framework 100 center line radial symmetric, and drive cylinder body and piston that oil cylinder 310 has suitable length, so that the difference of the length of the length of its elongation state and contraction state is the height of a floor.Certainly, drive oil cylinder 310 and be not limited to and drive oil cylinder 310, also can comprise the cylinder class formation of other power power or the driver part by gear, electromagnetism or other mode reality.
Please refer to Fig. 2 a, Fig. 2 a-2c is the operating principle schematic diagram of the boom climbing device that provides of embodiment one.The operating principle of the boom climbing device that embodiment one provides is as follows:
When the needs boom climbs, realize by following steps:
The first step can make the second framework 200 lower ends be supported on the upper surface of the first floor 01, and the reserved opening of the second floor 02 is stretched out in the upper end, can match with the Support bracket of the reserved opening of the second floor 02; Drive oil cylinder 310 and be in contraction state, make the first framework 100 upper ends stretch into the reserved opening of the second floor 02, shown in Fig. 2 a.
Second step makes to drive oil cylinder 310 elongations, makes the first framework 100 with respect to the move up height of a floor of the second framework 200; Shown in Fig. 2 b, make the lower end of the first framework 100 be supported on the upper surface of the second floor 02; Because the second framework 200 height are greater than the height H of a floor, still can guarantee being slidingly matched between the first framework 100 and the second framework 200 this moment, keeps the mutual guide effect between the first framework 100 and the second framework 200.
The 3rd step shown in Fig. 2 c, made the first framework 100 be supported on the upper surface of the second floor 02 again, kept motionless, made to drive oil cylinder 310 contractions, made the move up height of a floor of the second framework 200.Then, can make the second framework 200 lower ends be supported on the second floor 02 upper surface, the reserved opening of third story layer 03 is stretched out in the upper end.
By the iterative cycles of said process, the boom climbing device is changed between deployed condition and retracted mode, can realize progressively climbing of boom.By reverse movement, can realize the progressively decline of boom.
Utilize this boom climbing device can guarantee that boom upwards climbs automatically, driving oil cylinder 310 as driving mechanism itself also rises along with climbing of boom simultaneously, therefore, do not need the driving mechanism of boom climbing device is operated separately, and then can simplify the boom process of climbing, improve the efficient of climbing, reduce operating personnel's labour intensity.
According to foregoing description, be appreciated that the first framework 100 is not limited to be enclosed within outside the second framework 200, the first framework 100 is enclosed within the second framework 200; Certainly, the first framework 100 and the second framework 200 are not limited to tubular structure, also can be other tower structures.Among the embodiment one, the first framework 100 highly equals the height of a floor, the second framework 200 height are greater than the height of a floor, not only can guarantee like this cooperation between the first framework 100 and the second framework 200, can also guarantee to drive under oil cylinder 310 elongation states reliability that cooperates between cylinder body and the piston.For the reliability that guarantees to be slidingly matched between the first framework 100 and the second framework 200, guarantee the guide function between the two, guarantee to drive simultaneously the reliability of oil cylinder 310 work, can make the first framework 100 and the second framework 200 highly larger, the difference of the length of driving oil cylinder 310 elongation states and the length of contraction state also can be larger, moves or move down predetermined distance to make according to actual needs on the first framework 100 or the second framework 200.
The height of the first framework 100 and the second framework 200 suitably is set and drives the length of elongation state of oil cylinder 310 and the length of contraction state, under deployed condition, make the height of the frame body that the first framework 100 and the second framework 200 form greater than the height of a floor; At this moment, the second framework 200 is fixed with column, and made the boom climbing device take deployed condition as starting point.The boom climbing device can climb by following manner is actual: make the first framework 100 fix (by the structure of the first framework 100 itself) with respect to the predetermined floor of building, by driving the flexible of oil cylinder 310, the second framework 200 is moved up with respect to the first framework or move down, make the boom climbing device be transformed into retracted mode from deployed condition; Make again the second framework 200 fix (the second framework 200 is fixed by column and predetermined floor) with respect to the predetermined floor of building; Suitably arrange and drive oil cylinder 310, make the second position of framework 200 between two floors; By driving the flexible of oil cylinder 310, the first framework 100 is moved up or down with respect to the second framework 200 again, make the boom climbing device be transformed into deployed condition from retracted mode; Because the height of the frame body that the first framework 100 and the second framework 200 form can make the first framework 100 can fix with a predetermined floor at least greater than the height of a floor.So just can make each other basis of the first framework 100 and the second framework 200, by driving the flexible of oil cylinder 310, repeatedly carrying out said process can make the first framework 100 and the second framework 200 move up with respect to the predetermined floor of building step by step and move down, and then can make with the fixing column of the first framework 100 or the second framework 200 and rise or descend, realize progressively climbing and descending of boom.
Among the embodiment one, driving mechanism comprises two driving oil cylinders 310 that are positioned at outside the first framework 100, can guarantee like this stability when the first framework 100 moves up or down with respect to the second framework 200, and then guarantees the stability of boom climbing device.The driving oil cylinder 310 of driving mechanism also can be arranged in the second framework 200.Please refer to Fig. 3, this figure is the structural representation of the boom climbing device that provides of the embodiment of the invention two.In the boom climbing device that embodiment provides, driving mechanism comprises a driving oil cylinder 310 that is positioned at simultaneously the first framework 100 and the second framework 200, drives oil cylinder 310 two ends and links to each other with the second framework 200 with the first framework 100 respectively.
In above-described embodiment, in order to guarantee the reliability of climbing of boom, the length of driving oil cylinder 310 elongation states and the difference of the length under the contraction state should be not less than the height of a floor, the very high requirement that proposes driving oil cylinder 310 like this, the manufacturing cost that causes driving oil cylinder 310 increases, and has also reduced the functional reliability that drives oil cylinder 310.
In order to reduce to drive the length of oil cylinder 310, the embodiment of the invention three provides the driving mechanism of another kind of structure.Please refer to Fig. 4 and Fig. 5, Fig. 4 is the structural representation of the boom climbing device that provides of the embodiment of the invention three; Fig. 5 is among the embodiment three, the perspective view of the driving mechanism of boom climbing device.
The boom climbing device that embodiment three provides comprises the first framework 100, the second framework 200 and driving mechanism; The first framework 100 and the second framework 200 are highly all greater than the height of a floor.In this example, the first framework 100 and the second framework 200 are tubular structure, also are provided with the wheel and rack that matches, and gear links to each other with the inwall of the first framework 100 is rotatable; Tooth bar vertically extends, and is fixedly linked with the second framework 200 outside wall surface, to guarantee the first framework 100 and the mutual guide effect of the second framework 200.
Different from the driving mechanism among the embodiment one, in the present embodiment, driving mechanism comprises driving oil cylinder 310, framework 320 and status switching mechanism climb.Driving oil cylinder 310 two ends links to each other with the framework 320 that climbs with the first framework 100 respectively; Climb framework 320 and the second framework 200 is slidingly matched in vertical direction; Status switching mechanism is climbing between framework 320 and the second framework 200; Status switching mechanism can change the relation of climbing between framework 320 and the first framework 100 by locking structure, makes the framework 320 that climbs move up, to move down or to keep fixing with the second framework 200 with respect to the second framework 200.Be that status switching mechanism (specific embodiment of status switching mechanism will with aftermentioned) can make to climb by locking structure and forms three kinds of states between framework 320 and the second framework 200.Under the first state, the framework 320 that climbs can be moved up with respect to the second framework 200; Under the second state, the framework 320 that climbs can be moved down with respect to the second framework 200; Under the first state and the second state; Make driving oil cylinder 310 flexible, can change the relative position that climbs between framework 320 and the second framework 200; In the third state lower time, make climb framework 320 and the second framework 200 keep fixing, so take the second framework 200 for the basis, make to drive oil cylinder 310 and stretch, the first framework 100 is moved up or down with respect to the second framework 200, realize climbing or descending of boom.
Compare with the driving mechanism among the embodiment one, among the embodiment three, the process that this driving mechanism can move the first framework 100 or the second framework 200 story height (or other predetermined height) is divided into the less step of a plurality of displacements.Such as: when needs the first framework 100 moves up a story height with respect to the second framework 200, can pass through status switching mechanism, make climb framework 320 and the second framework 200 be in the third state, the framework 320 that climbs is supported on the second framework 200, make and drive oil cylinder 310 elongations, drive the first framework 100 with respect to the second framework 200 preset distance (such as, can be 0.2 story height) that moves up; Then, make again the relation of climbing between framework 320 and the second framework 200 be in the first state, and first framework 100 and the second framework 200 keep motionless and (can pass through prior art, the first framework 100 and the second framework 200 are supported on the predetermined floor), make to drive oil cylinder 310 and shrink, the framework 310 that climbs is with respect to the second framework 200 predetermined distance that moves up; Make again the relation of climbing between framework 320 and the second framework 200 be in the third state, make the framework 320 that climbs be supported on the first framework 100, make and drive oil cylinder 310 elongations, make the first framework 100 again with respect to the second framework 200 preset distance that moves up, make again climb framework 320 and the second framework 200 be in the first state; Repeatedly carry out said process, the pass of climbing between framework 320 and the second framework 200 is tied up between the first state and the third state changes, the framework 320 that climbs is moved up step by step with respect to the second framework 200, and then make the first framework 100 with respect to the move up height of a floor of the second framework 200.Equally, make the pass of climbing between framework 320 and the second framework 200 tie up to the second state and the conversion of the third state, the framework 320 that climbs is moved down step by step with respect to the second framework 200, make the first framework 100 with respect to falling on the second framework 200, or make on the second framework 200 and move.
On the basis that the climbing device operating principle is described, below structure and the operating principle of status switching mechanism is described; In order to save space, below only corresponding state and the state transfer principle of status switching mechanism is described, no longer launch explanation for the operating principle of climbing device.
Please refer to Fig. 6, this figure is the structure for amplifying schematic diagram of I-I part among Fig. 5, the figure shows the structural representation of driving mechanism among the embodiment three.
Among the embodiment three, driving mechanism also comprises tooth bar 301 and the gear 302 that cooperates with tooth bar 301, and tooth bar 301 vertically extends, and fixing with the second framework 200, and this tooth bar can be the tooth bar that is slidingly matched between above-mentioned assurance the first framework 100 and the second framework 200; Corresponding with the tooth bar 301 of vertical extension, gear 302 can be roller gear, and is rotatably installed on the framework 320 that climbs.Status switching mechanism comprises the first ratchet mechanism 331, the second ratchet mechanism 332, the first change lever 333 and the second change lever 334; Ratchet mechanism forms the locking structure of status switching mechanism.The ratchet that the first ratchet mechanism 331 and the second ratchet mechanism 332 include ratchet and match with the ratchet of ratchet forms locking structure; Ratchet is rotatably installed on the framework 320 that climbs, and ratchet is rotatable being installed on the framework 320 that climbs also.In this example, the ratchet of the ratchet of the first ratchet mechanism 331 and the second ratchet mechanism 332 lays respectively at gear 302 two ends, and all coaxial with gear 302, two ratchets and gear 302 synchronous rotaries; The first change lever 333 links to each other with the ratchet of the first ratchet mechanism 331 and the ratchet of the second ratchet mechanism 332 respectively with the second change lever 334, the engagement of ratchet and ratchet in the first ratchet mechanism 331 can be changed by the first change lever 333, the engagement of ratchet and the ratchet of the second ratchet mechanism 332 can be changed by the second change lever 334.The locking opposite direction of the first ratchet mechanism 331 and locking direction and the second ratchet mechanism 332.
In this driving mechanism, the operating principle of status switching mechanism is as follows:
According to foregoing description, be appreciated that among the art technology people that ratchet mechanism is not limited to the engagement by change lever control ratchet and ratchet, also can change the engagement of ratchet and ratchet by other means; Such as, can be by changing ratchet and the annexation change ratchet of elastic component and the engagement of ratchet between the framework 320 of climbing, etc.In addition, status switching mechanism can comprise the first sour jujube bar mechanism of upward direction locking and the second sour jujube bar mechanism of upward direction locking, and the ratchet that makes the first sour jujube bar mechanism and the second sour jujube bar mechanism include the sour jujube bar and match with the ratchet of sour jujube bar, form locking structure; Sour jujube bar and the first framework are fixed, and also can realize the function of above-mentioned status switching mechanism; The sour jujube bar mechanism of a bidirectional locking (locking) can also be set, realize the function of above-mentioned status switching mechanism.
Please refer to Fig. 7, this figure is the structural representation of the second status switching mechanism provided by the invention.Status switching mechanism comprises pedestal 341, bearing pin 342 and locking bar (not shown).Locking bar and the second framework 200 are fixing, and vertical the extension; Simultaneously, the locking bar locking hole that a plurality of vertical layouts is set, has suitable spacing; Pedestal 341 forms the cavity that holds bearing pin 342; The side face of bearing pin 342 matches with this cavity inner wall, between bearing pin 342 and pedestal 341, form in the horizontal direction slidably cooperate, form simultaneously the horizontally extending rotatable cooperation of rotation.As shown in Figure 7, bearing pin 342 with respect to the glide direction of pedestal 341 as shown by arrows; Bearing pin 342 is O-O with the rotatable rotation that cooperates between the pedestal 341; Bearing pin 342 is parallel with rotation O-O with respect to the glide direction of pedestal 341.Bearing pin 342 has the inclined-plane 345 that intersects with outer face and side face, forms a wedge structure in the outer end.Bearing pin 342 inner ends are supported on pedestal 341 cavity bottom by elastomeric element 343.Can match with the locking hole locking bar, the appropriate location in bearing pin 342 outer ends, form locking structure.
The operating principle of above-mentioned status switching mechanism is as follows:
According to foregoing description, can rotate this bearing pin 342 by suitable structure, the framework 320 that climbs can only be moved with respect to the second framework 200 in selected direction, in the opposite direction, make climb framework 320 and the second framework 200 maintenance lockings.The mode of rotary pin shaft 342 can be selected according to actual needs, can select the mode rotary pin shafts such as automatically controlled, hydropneumatic.Corresponding hole, boss or other concrete structures can also be set in bearing pin 342 outer faces, and by other aid rotary pin shafts 342.
The outer end of bearing pin 342 is not limited to wedge structure, also can adopt suitable driving element in the predetermined moment bearing pin 342 to be stretched out, and is matched with locking hole in bearing pin 342 outer ends, makes climb framework 320 and the second framework 200 remain the third above-mentioned state; At predetermined another constantly, when bearing pin 342 is retracted, make climb framework 320 and the second framework 200 remain above-mentioned the first state or the second state.Driving mechanism can be Hydraulic Elements, such as hydraulic cylinder, and hydraulic cylinder one end is linked to each other with pedestal 341, and the other end links to each other with bearing pin 342, and the flexible of hydraulic cylinder can be controlled the flexible of bearing pin 342.
Can realize ACTIVE CONTROL to bearing pin 342 states although at the framework 320 that climbs hydraulic cylinder is set, consider climb framework 320 spaces and bearing pin 342 loads, in actual applications, the difficulty that independent hydraulic cylinder is set is very large.In order to realize the ACTIVE CONTROL to bearing pin 342 states, the present invention also provides the status switching mechanism of another kind of structure.
Please refer to Fig. 8, this figure is the sectional structure schematic diagram of the third status switching mechanism provided by the invention.This status switching mechanism comprises pedestal 341, bearing pin 342 and locking bar equally.Locking bar and the second framework 200 are fixing, and vertical the extension; Simultaneously, the locking bar locking hole that a plurality of vertical layouts is set, has suitable spacing; Wherein, pedestal 341 comprises guiding cylindrical shell 3411, base plate 3412 and outside fix cylinder 3413.
Guiding cylindrical shell 3411 can be cylinder-like structure.Base plate 3412 is sleeved on guiding cylindrical shell 3411 inwalls, and outside fix cylinder 3413 is sleeved on the outer end portion of guiding cylindrical shell 3411 inwalls, forms respectively the slip cavity between the inner face of base plate 3,412 one end faces and outside fix cylinder 3413.Outside fix cylinder 3413 also is tubular structure, and the internal face of bearing pin 342 side faces and outside fix cylinder 3413 is slidingly matched.Bearing pin 342 outer ends are column construction, and protruding from pedestal 341; Bearing pin 342 the inners comprise the drive plate 3421 that extends radially outwardly.Simultaneously, form the retraction plunger piston fluid pressure cylinder in the outside fix cylinder 3413, the outer end of the plunger 82 of retraction plunger piston fluid pressure cylinder (right-hand member among Fig. 8) is inconsistent with drive plate 3421 outer faces (left side among Fig. 8); Form overhanging plunger piston fluid pressure cylinder in the base plate 3412, the outer end of the plunger 81 of overhanging plunger piston fluid pressure cylinder (left end among Fig. 8) is inconsistent with the inner face (right side among Fig. 8) of bearing pin 342; Match with the locking hole of locking bar in bearing pin 342 outer ends.By the state that can change bearing pin 342 of control retraction plunger piston fluid pressure cylinder and overhanging plunger piston fluid pressure cylinder, control the flexible of bearing pin 342, and then make status switching mechanism carry out the state conversion, change the relation of climbing between framework 320 and the second framework 200.
For the reliability of Guarantee Status switching mechanism work, back-moving spring can also be set, and the two ends of back-moving spring are supported on respectively on the inner face and base plate 3412 of bearing pin 342; Back-moving spring not only can accelerate the action of stretching out of bearing pin 342, can also when retraction plunger piston fluid pressure cylinder and the inefficacy of overhanging plunger piston fluid pressure cylinder, make bearing pin 342 keep stretching out state, and then guarantee reliability and the safety of climbing device.
According to foregoing description, those skilled in the art can also realize changing the relation of climbing between framework 320 and the second framework 200 by other structures, make the framework 320 that climbs move up, to move down or to keep fixing with the second framework 200 with respect to the second framework 200; Such as: corresponding one-way clutch mechanism, cam mechanism etc. can also be set, as long as can make in the predetermined moment climb framework 320 and the second framework 200 maintenance lockings or fixing, make the framework 320 that climbs to move up or move down with respect to the second framework 200 in the predetermined moment, just can realize purpose of the present invention.
On the basis that above-mentioned boom climbing device is provided, a kind of boom also is provided, this boom comprises underframe, lever arm and above-mentioned any climbing device, described underframe and described column upper end are fixing.Because the boom climbing device has above-mentioned technique effect, comprises that the boom of this climbing device also has corresponding technique effect.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the climbing device of a building machinery comprises column, it is characterized in that, also comprises the first framework (100), the second framework (200) and driving mechanism, and described the first framework (100) or the second framework (200) are fixed with column; Described driving mechanism comprises the driver part (310) that two ends link to each other with the second framework (200) with the first framework (100) respectively; Described the first framework (100) and the second framework (200) are slidingly matched in vertical direction; Under deployed condition, the height of the frame body that described the first framework (100) and the second framework (200) form is greater than the height (H) of a floor;
In described the first framework (100) and the second framework (200), the height of a framework is not less than the height (H) of a floor, and the height of another framework is greater than the height (H) of a floor; The difference of the length of described driver part (310) elongation state and the length of contraction state is not less than the height (H) of a floor;
Described driving mechanism comprises driver part (310), the framework that climbs (320) and status switching mechanism, and described driver part (310) two ends link to each other with the framework that climbs (320) with the first framework (100) respectively; The described framework that climbs (320) is slidingly matched in vertical direction with the second framework (200); Described status switching mechanism is positioned between the described framework that climbs (320) and the second framework (200); Described status switching mechanism can change the relation of climbing between framework (320) and the second framework (200) by locking structure, makes the described framework that climbs (320) move up, to move down or to keep fixing with the second framework (200) with respect to the second framework (200).
2. the climbing device of building machinery according to claim 1, it is characterized in that, described driving mechanism also comprises tooth bar (301) and the gear (302) that cooperates with tooth bar (301), described tooth bar (301) is vertical to be extended, and fixing with described the second framework (200), described gear (302) is rotatably installed on the described framework that climbs (320); Described status switching mechanism comprises the first ratchet mechanism (331) and the second ratchet mechanism (332); The ratchet that described the first ratchet mechanism (331) and the second ratchet mechanism (332) include ratchet and match with the ratchet of ratchet; Described ratchet is rotatably installed on the described framework that climbs (320); The ratchet of the ratchet of described the first ratchet mechanism (331) and the second ratchet mechanism (332) all with described gear (301) coaxial rotating; The locking opposite direction of the locking direction of described the first ratchet mechanism (331) and the second ratchet mechanism (332).
3. the climbing device of building machinery according to claim 1, it is characterized in that, described driving mechanism comprises the first sour jujube bar mechanism of upward direction locking and the second sour jujube bar mechanism of upward direction locking, the ratchet that described the first sour jujube bar mechanism and the second sour jujube bar mechanism include the sour jujube bar and match with the ratchet of sour jujube bar, described sour jujube bar and described the second framework (200) are fixing, and described ratchet links to each other with the framework that climbs (320).
4. the climbing device of building machinery according to claim 1 is characterized in that, described driving mechanism comprises pedestal (341), bearing pin (342) and locking bar; Described locking bar vertically extends, and fixing with the second framework (200), and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal (341) is fixing with the framework (320) that climbs; Described bearing pin (342) is slidingly matched in the horizontal direction with pedestal (341), forms simultaneously the horizontally extending rotatable cooperation of rotation (O-O); Match with the locking hole of locking bar in described bearing pin (342) outer end; Described bearing pin (342) has the inclined-plane (345) that intersects with outer face and side face, and bearing pin (342) inner end is supported on the pedestal (341) by elastomeric element (343).
5. the climbing device of building machinery according to claim 1 is characterized in that, described driving mechanism comprises pedestal (341), hydraulic cylinder, bearing pin (342) and locking bar; Described locking bar vertically extends, and fixing with described the second framework (200), and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal (341) is fixing with the framework (320) that climbs; Described hydraulic cylinder one end links to each other with pedestal (341), and the other end links to each other with described bearing pin (342); Match with the locking hole of locking bar in described bearing pin (342) outer end.
6. the climbing device of building machinery according to claim 1 is characterized in that, described driving mechanism comprises pedestal (341), bearing pin (342) and locking bar; Described locking bar vertically extends, and fixes with the second framework, and described locking bar arranges the locking hole of a plurality of vertical layouts; Described pedestal (341) is fixing with the described framework that climbs (320); Described pedestal (341) comprises guiding cylindrical shell (3411), base plate (3412) and outside fix cylinder (3413), described base plate (3412) and outside fix cylinder (3413) all are sleeved on the inwall of guiding cylindrical shell (3411), and form the slip cavity between the inner face of described base plate (3412) one end faces and outside fix cylinder (3413); Described bearing pin (342) is slidingly matched with the internal face of described outside fix cylinder (3413), and bearing pin (342) the inner comprises the drive plate (3421) that extends radially outwardly; Form the retraction plunger piston fluid pressure cylinder in the described outside fix cylinder (3413), the outer end of the plunger of described retraction plunger piston fluid pressure cylinder (82) and drive plate (3421) outer face are inconsistent; Form overhanging plunger piston fluid pressure cylinder in the described base plate (3412), the inner face of the outer end of the plunger of described overhanging plunger piston fluid pressure cylinder (81) and described bearing pin (342) is inconsistent; Match with the locking hole of locking bar in described bearing pin (342) outer end.
7. the climbing device of any described building machinery is characterized in that according to claim 1-6, and described the first framework (100) and the second framework (200) are tubular structure, and the first framework (100) and the second framework (200) socket.
8. the climbing device of building machinery according to claim 7 is characterized in that, described the first framework (100) is enclosed within outside the second framework (200).
9. the climbing device of building machinery according to claim 1 is characterized in that, described the first framework (100) and the second framework (200) are tubular structure, and the first framework (100) and the second framework (200) socket;
Described driving mechanism comprises two described driver parts (310), two described driver parts (310) all are positioned at the first framework (100) outside, and be positioned at simultaneously the outside of the second framework (200), and two described driver parts (310) are symmetrical with respect to the center line of the first framework (100); Perhaps, comprise a driver part (310), described driver part (310) is positioned at the first framework (100) inboard, and is positioned at simultaneously the inboard of the second framework (200).
10. a boom comprises underframe, lever arm and climbing device, it is characterized in that, described climbing device is the climbing device of each described building machinery of claim 1-9, and described underframe and described column upper end are fixing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110098573 CN102277969B (en) | 2011-04-19 | 2011-04-19 | Climbing device and distributing rod for building machine |
| PCT/CN2011/075713 WO2012142785A1 (en) | 2011-04-19 | 2011-06-14 | Climbing device for construction machinery and distributing mast |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110098573 CN102277969B (en) | 2011-04-19 | 2011-04-19 | Climbing device and distributing rod for building machine |
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| CN102277969A CN102277969A (en) | 2011-12-14 |
| CN102277969B true CN102277969B (en) | 2013-01-02 |
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| CN 201110098573 Active CN102277969B (en) | 2011-04-19 | 2011-04-19 | Climbing device and distributing rod for building machine |
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| WO (1) | WO2012142785A1 (en) |
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| CN108821133A (en) * | 2018-09-04 | 2018-11-16 | 上海峙狄机械设备有限公司 | Self-crawling type crane based on Wind turbines tower ontology |
| CN112983000B (en) * | 2021-03-15 | 2022-06-17 | 中国建筑第七工程局有限公司 | Automatic lifting type base for distributing machine |
Citations (1)
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| JP2007278034A (en) * | 2006-04-11 | 2007-10-25 | Japan Steels International Inc | External wall climbing device and unit supporting tool used for the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB994728A (en) * | 1963-08-07 | 1965-06-10 | Novelle D Exalditation Des Ets | Telescopic tower crane |
| GB1561487A (en) * | 1975-12-17 | 1980-02-20 | Enor Nominees Pty Ltd | Load transporter |
| JP4354046B2 (en) * | 1999-05-20 | 2009-10-28 | 株式会社竹中工務店 | Climbing crane floor climbing method |
| JP2001010780A (en) * | 1999-06-29 | 2001-01-16 | Kumagai Gumi Co Ltd | Climbing tower crane and its climbing method |
| CN2727308Y (en) * | 2004-05-12 | 2005-09-21 | 三一重工股份有限公司 | Fully automatic stepless lifting device |
| DE102006040092A1 (en) * | 2006-08-28 | 2008-03-06 | Putzmeister Ag | Arrangement for conveying concrete with height-adjustable concrete boom |
| CN100460618C (en) * | 2006-11-03 | 2009-02-11 | 三一重工股份有限公司 | Jacking device of distrubuting machine |
| CN201109996Y (en) * | 2007-09-13 | 2008-09-03 | 江苏通州四建集团有限公司 | Fluid pressure climbing template apparatus |
| CN201330506Y (en) * | 2008-12-19 | 2009-10-21 | 三一重工股份有限公司 | Spreader climbing mechanism |
| CN201756804U (en) * | 2010-04-08 | 2011-03-09 | 上海汽车改装厂有限公司 | Self-climbing type lifting mechanism |
| CN202031333U (en) * | 2011-04-19 | 2011-11-09 | 三一重工股份有限公司 | Climbing device of construction machinery and placing boom |
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2011
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007278034A (en) * | 2006-04-11 | 2007-10-25 | Japan Steels International Inc | External wall climbing device and unit supporting tool used for the same |
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| WO2012142785A1 (en) | 2012-10-26 |
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