CN101357739A - Column crane special for movable arm type group tower - Google Patents
Column crane special for movable arm type group tower Download PDFInfo
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- CN101357739A CN101357739A CN 200810114263 CN200810114263A CN101357739A CN 101357739 A CN101357739 A CN 101357739A CN 200810114263 CN200810114263 CN 200810114263 CN 200810114263 A CN200810114263 A CN 200810114263A CN 101357739 A CN101357739 A CN 101357739A
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Abstract
The invention provides a special tower typed crane with a movable arm group tower, wherein, the tower body is connected by a fixed support arm 1, a standard section 2, and a jacking inner tower section 6; a hoisting inner tower section 9 is arranged on the jacking inner tower section; a rotary assembly 17 is arranged on the hoisting inner tower section 9 to articulate a boom 10, besides, a derricking mechanism 16 is also arranged on the hoisting inner tower section 9; wherein, a derricking cord 12 is connected between a windlass 19 and the boom to ensure that the boom can rotate in a scope of 15-89 degrees on a vertical plane; a hoisting mechanism 8 is arranged on the hoisting inner tower section; wherein, a hoisting cable is connected between the windlass and a hook pulley block 11 on the boom. When the crane is needed to be dismantled in the process of working in a form of inner attachment, the boom is boosted for an angle of 89 degree through the derricking mechanism to ensure the passing of the boom through a window at the top of the tower and ensure automatic falling from the middle of the iron tower; the hoisting mechanism 8 is positioned on the tower body, thus shortening the hoisting working trip to improve the construction efficiency; a hanger for dismantling the tower can also be arranged on the tower body to dismantle the crane conveniently; the crane has a simple and convenient construction, low construction cost and extensive application scope.
Description
Technical field
The present invention relates to the transmission line construction technical field, be a kind of arm can in perpendicular, upwards rotate 89 ° and do not have equilibrium arm, lifting mechanism is positioned at the tower crane on the body of the tower, it is specially adapted to the iron tower of power transmission line vertical construction.
Background technology
At present, the jib for tower crane that domestic iron tower of power transmission line vertical construction the is commonly used angle that raises up in perpendicular can only reach 85 ° and be furnished with equilibrium arm, in with interior attached form group tower work progress, because of crane arm, equilibrium arm can not pass through from iron tower window topmost, thereby work is complicated, difficult when removing tower crane; The lifting mechanism of conventional tower crane is usually located on the equilibrium arm or ground of hoisting crane in addition, lifting mechanism places the consumption that not only can increase steel rope on the ground also can make the lifting work stroke long, thereby reduction operating efficiency, driver's cab places the top of hoisting crane, the working condition of hoisting crane is by driver's visual surveillance, and safety factor is not high aspect assurance driver personal safety like this.Construction is complicated when therefore, using this tower crane to organize the tower construction, safety factor is not high, operating efficiency is low, cost is high.
Summary of the invention
The purpose of this invention is to provide a kind of equilibrium arm that do not have, can in perpendicular, raise up 89 ° column crane special for movable arm type group tower of crane arm.
For achieving the above object, the present invention takes following design plan:
A kind of column crane special for movable arm type group tower, it comprises interconnective successively from bottom to top fixed feet, standard knot, jacking Nei Tajie, one jacking apparatus is arranged on described jacking with on the Nei Tajie, also be connected with one in this jacking with the upper end of Nei Tajie and hoist and use Nei Tajie, constitute whole body of the tower thus; One mechanism that hoists is arranged on described hoisting with on the Nei Tajie on the described body of the tower, connect the total member of single-revolution on the described cat head rotationally, an end that on this rotating assembly spare, connects this crane arm, on this rotating assembly spare and a luffing mechanism is set, this luffing mechanism comprises a winch, it is fixed on the described rotating assembly spare, set firmly an end that twines a luffing stay cord on this winch, the other end of luffing stay cord is fixed on this crane arm, make when winch rotates, affect described crane arm in perpendicular, in 15 °～89 ° scopes of level attitude, to rotate by described luffing stay cord; Comprise a winch in the described lifting mechanism that is provided with on this body of the tower, connect an end that twines a lifting steel rope on this winch, the other end of this steel rope extends to bonded assembly one lifting hook pulley group on the crane arm external part along described crane arm.
Further, also set firmly a cat head strut on the described rotating assembly spare on the cat head, set firmly an end of a safety rope on it, the other end of this safety rope is fixed on the described crane arm.The length of this safety rope is: safety rope is straightened when making the lower position of described crane arm in its rotatable angular range.
Described luffing stay cord comprises a front end stay cord, a luffing assembly pulley and assembly pulley stay cord, one end of described front end stay cord is fixed on the crane arm, a pulley in the fixing described luffing assembly pulley of the other end of front end stay cord, another pulley in the described luffing assembly pulley is fixed on the rotating assembly spare, for example be fixed on the cat head strut, one end of assembly pulley stay cord is fixed on the roller of winch of luffing mechanism, the race that the other end passes two pulleys of luffing assembly pulley is fixed on the rotating assembly spare, for example is fixed on the cat head strut.
The body of the tower of this column crane special for movable arm type group tower, described standard knot lower end connects firmly on this fixed feet by existing latch connection structure, and the upper end of standard knot connects this jacking Nei Tajie by existing bindiny mechanism; With the lower end of Nei Tajie described jacking apparatus is housed in this jacking, it is a prior art, and this jacking connects firmly this with Nei Tajie upper end by existing fish plate, connecting pin Axile connection structure and hoists and use Nei Tajie.
The crane arm of column crane special for movable arm type group tower can rotate in 15 °～89 ° scopes of perpendicular, the lifted weight thing is connected with the lifting hook pulley group of crane arm by the steel rope of lifting mechanism, the capsizing moment that produces during the crane arm hoisting heavy is born by the hoisting crane body of the tower, lifting mechanism is positioned at body of the tower and hoists with on the Nei Tajie, the lifting work stroke is shortened, tear tower open and be positioned at jacking with on the Nei Tajie with suspension bracket, can hoisting crane for convenience detach.
Described crane arm is a cancelled structure, work range is controlled by luffing mechanism, when hoisting crane needs to remove in interior attached form working process, by luffing mechanism with the crane arm 89 ° of angles that raise up, crane arm is passed through from iron tower window topmost, thereby in the middle of iron tower, fall voluntarily.
Described lifting mechanism with the connection structure that hoists with Nei Tajie is: described lifting mechanism comprises winch, winch connecting panel, is connected bearing pin, described winch is fixed on the supporting plate, below this supporting plate, set firmly the winch connecting panel, the corresponding position is provided with the connecting pin axis hole at the winch connecting panel and on hoisting with Nei Tajie, makes to hoist and links to each other with Nei Tajie winch connecting panel with hoisting with Nei Tajie by being inserted in bearing pin in the connecting pin axis hole.
On described body of the tower, also be provided with one and tear the tower suspension bracket open.This is torn tower open and comprises suspension bracket and play Hanging roller that suspension bracket comprises pylon strut, suspension bracket connecting rod and suspension bracket connecting panel with suspension bracket, and it connects into and for example is leg-of-mutton link span, fixed bias circuit on the suspension bracket connecting panel, and it is fixed on the body of the tower by rotating shaft pin; Described Hanging roller links by the suspension bracket suspension hook on lifting rope and the suspension bracket.
Tear tower open and be fixed on jacking with on the Nei Tajie by rotating shaft pin with suspension bracket.Hang up steel rope rising on the Hanging roller when tearing tower open, an end of steel rope be placed on ground winch and link to each other, the other end links to each other with the tower material of dismounting, winch is emitted steel rope, the tower material of dismounting is transported to ground from tower.Tear tower open and be positioned at jacking with on the Nei Tajie with suspension bracket, such positional structure can hoisting crane for convenience detach.In the prior art, also have on the body of the tower to be provided with and tear tower open with suspension bracket, do not have suspension hook on it, and pulley is set directly on the suspension bracket, such structure makes the inconvenience that is connected of steel rope and winch on it.And tear the tower suspension bracket open among the present invention, and establish suspension hook on the suspension bracket on it, linked Hanging roller, such structure can make things convenient for and being connected of winch.
Described driver's cab is configured in the hoisting crane bottom, drive motor in each lifting mechanism and the lifting mechanism and the various video camera controllers of being located on the body of the tower are connected with coupled control table in the driver's cab by transmission of electricity and/or data transfer cable, and the working condition of hoisting crane can monitor by the camera head of driver's cab and be controlled by joint action table.
Column crane special for movable arm type group tower provided by the invention is not because of there being equilibrium arm and the crane arm near vertical that can raise up, thereby crane arm can pass through from iron tower window topmost, so work is easy when removing tower crane, operating efficiency is high; In addition, the lifting mechanism of hoisting crane is positioned on the body of the tower, and the lifting work stroke is shortened to improve operating efficiency, tears tower open and is positioned at jacking with on the Nei Tajie with suspension bracket, can hoisting crane for convenience detach; Driver's cab is configured in the hoisting crane bottom, and the working condition of hoisting crane can monitor by the camera head of driver's cab and be controlled by joint action table.Thereby this tower facility have safety factor height, easy construction, operating efficiency height and the low characteristics of construction cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a lifting mechanism scheme drawing of the present invention.
Fig. 3 is that the present invention tears tower suspension bracket scheme drawing open.
Fig. 4 is that the present invention hoists and uses the Nei Tajie scheme drawing.
Fig. 5 is that the lifting mechanism in the hoisting crane provided by the invention is hoisting with the mounting structure scheme drawing on the Nei Tajie;
Fig. 6 is the connection structure scheme drawing that Nei Tajie and standard knot are used in the jacking in the hoisting crane provided by the invention;
Fig. 7 be in the hoisting crane provided by the invention rotating assembly spare with and on the structural representation of parts such as crane arm.
The specific embodiment
Referring to shown in Figure 1: a kind of column crane special for movable arm type group tower, crane arm can raise up in perpendicular 89 °, it include fixed feet 1, standard knot 2, half space 3, standard channel 4, jacking apparatus 5, jacking with interior tower joint 6, tear open tower with suspension bracket 7, lifting mechanism 8, hoist with interior tower save 9, crane arm assembly 10, lifting hook pulley group 11, luffing stay cord 12, safety rope 13, luffing assembly pulley 14, cat head strut 15, luffing mechanism 16, rotating assembly 17, driver's cab 18.This hoisting crane does not have equilibrium arm.
The upper end of standard knot connects this jacking Nei Tajie by existing bindiny mechanism; With the lower end of Nei Tajie described jacking apparatus is housed in this jacking, it is a prior art, and this jacking connects firmly this with Nei Tajie upper end by existing fish plate, connecting pin Axile connection structure and hoists and use Nei Tajie.
Shown in Fig. 1,4,5 and 6, standard knot 2 lower ends connect firmly on this fixed feet 1 by existing latch connection structure, and standard knot 2 upper ends connect this jacking by existing bindiny mechanism and save 6 with interior tower, and standard knot 2 is provided with half space 3 and standard channel 4.With the lower end of interior tower joint 6 jacking apparatus 5 is housed in this jacking, jacking saves 6 upper ends with interior tower and connects this and hoist with interior tower joint 9, can be connected by fish plate therebetween, hoist at this and lifting mechanism 8 to be housed with the lower end of interior tower joint 9, on lifting mechanism 8, be provided with winch 19, be installed with this rotating assembly spare 17 in this upper end that hoists with interior tower joint 9, connect crane arm 10 on this rotating assembly spare 17 and luffing mechanism 16 is set, this luffing mechanism is provided with winch, set firmly an end of this luffing stay cord 14 on this winch, the other end of luffing stay cord is fixed on this crane arm 10, makes crane arm 10 to rotate in 15 °～89 ° scopes of level attitude in perpendicular;
As shown in Figure 4, particularly, hoist and with interior tower joint 9 and lifting with the connection structure of interior tower joint 6 be: described hoisting is connected bearing pin 33 and formed by Nei Tajie winch connecting panel 23, fish plate 24, main chord 25, auxilliary bar I26, auxilliary bar II27, auxilliary bar connecting panel I28, auxilliary bar connecting panel II29, auxilliary bar connecting panel III30, auxilliary bar III31, winch adapter plate 32, Nei Tajie with interior tower joint 9, hoists to save 9 with interior tower and be fixed on jacking by Nei Tajie connection bearing pin 33 and save on 6 with interior tower.Hoist with on interior tower joint 9 main chords that comprise 25 auxilliary bar connecting panel I28 and auxilliary bar connecting panel III30 being set, auxilliary bar I26, auxilliary bar II27 and auxilliary bar III31 are connected that constituting on the auxilliary bar connecting panel hoists and hoist at this with interior tower joint 9. by articulated structure and save 9 lower end and upper end with interior tower and set firmly fish plate 24, fish plate 24 by the lower end with go up bonded assembly with jacking with Nei Tajie and be connected bearing pin and make to hoist and be connected the top of jacking with Nei Tajie with Nei Tajie, make the connecting element of rotating assembly spare 17 be fixed on to hoist with the fish plate 24 on the Nei Tajie by hoisting and save 9 upper end with interior tower.Revolving meber in the rotating assembly spare is rotatably mounted on the described connecting element.
On this rotating assembly spare 17, be provided with rotating disk, the total member 10 of hinged crane arm on rotating disk, also be installed with luffing mechanism 16 on rotating disk, set firmly an end of luffing stay cord 12 on the winch on the luffing mechanism 16, the other end of luffing stay cord 12 is fixed on the crane arm 10.Drive winch, can folding and unfolding luffing stay cord 12, realize swinging up and down of crane arm 10.
Concrete, as Fig. 1, shown in 7, luffing stay cord 12 comprises a front end stay cord 12a, one luffing assembly pulley 14 and assembly pulley stay cord 12b, the end of front end stay cord 12a is fixed on the crane arm 10, a pulley 14a in the fixing described luffing assembly pulley of the other end of front end stay cord 12a, another pulley 14b in the described luffing assembly pulley is fixed on the rotating assembly spare, as Fig. 1, be to be fixed on the cat head strut 15 that is fixedly arranged on the rotating assembly spare among the embodiment shown in 7, the end of assembly pulley stay cord 12b is fixed on the roller of winch of luffing mechanism, and the other end passes two pulley 14a of luffing assembly pulley, the race of 14b is fixed on the cat head strut 15.Start winch, can realize the rotation of crane arm 10 in 15 °～89 ° scopes.
On these crane arm 10 overhanging ends this lifting hook pulley group 11 is set, connects an end of a steel rope on it, the other end of this steel rope passes crane arm 10 and hoists and saves 9 framework with interior tower and be fastened on the roller of the winch 19 of this lifting mechanism 8.
Also be connected with an end of a safety rope 13 on crane arm 10, the other end of this safety rope 13 is connected with cat head strut 15, safety rope act as that the crane arm accident rotates when preventing hoisting heavy.By driving luffing mechanism, crane arm 10 can rotate in 15 °～89 ° scopes of perpendicular.Described crane arm 10 is a cancelled structure, when hoisting crane needs to remove in interior attached form working process,, crane arm 10 is passed through from iron tower window topmost, thereby in the middle of iron tower, fall voluntarily the crane arm 10 89 ° of angles that raise up by luffing assembly pulley 14.
External part at crane arm 10 is provided with the lifting hook pulley group, is used for hoisting heavy.
In the lower end that hoists with interior tower joint 9 Nei Tajie winch connecting panel 23 (as shown in Figure 4) is set, sets firmly lifting mechanism 8 on it.As shown in Figure 2, described lifting mechanism 8 is connected bearing pin 22 and is formed by winch 19, winch connecting panel 20, winch, lifting mechanism 8 links to each other with Nei Tajie winch connecting panel 23 with hoisting by the bearing pin 22 in the pin shaft hole 21 that is inserted in connecting panel 20, and promptly the pin shaft hole 21 of lifting mechanism 8 by Nei Tajie winch connecting panel 20 is connected bearing pin 22 and connects firmly on hoisting with interior tower joint 9 with winch.Winch 19 is set on the winch connecting panel 20, the end of steel rope 19a is fastened on it, the other end of this steel rope 19a is located in the framework of crane arm 10 and the overhanging end that extends to crane arm is connected with lifting hook pulley group 11, makes these lifting hook pulley group 11 liftings (seeing shown in Fig. 5,7); The capsizing moment that produces during crane arm 10 hoisting heavies is born by the hoisting crane body of the tower, and lifting mechanism 8 is positioned at body of the tower and hoists with on the tower joint 9, and lifting mechanism 8 is positioned at body of the tower and hoists with the lower end of tower joint 9, and the lifting work stroke is shortened to improve operating efficiency.
As Fig. 1, shown in 3, be provided with in jacking and tear tower open with suspension bracket 7 with interior tower joint 6, tearing tower crane frame open is the suspension hook form: the described tower of tearing open uses suspension bracket 7 by turning cylinder 34, suspension bracket connecting panel 35, suspension bracket connecting rod 36,37, suspension bracket suspension hook 38, lifting rope 39, play Hanging roller 40, pylon strut 41, suspension bracket connects bearing pin 42, rotating shaft pin 43 is formed, two rotating shaft 34 suits are fixed on the vertical framework of jacking with interior tower joint 6 up and down, in the present embodiment, on the vertical framework of jacking, set firmly rotating shaft pin 43 with interior tower joint 6, turning cylinder 34 is connected with rotating shaft pin 43, promptly is set on the rotating shaft pin 43.On turning cylinder 34, connect firmly suspension rod connecting panel 35, an end of hinged suspension bracket connecting rod 36, pylon strut 41 on the suspension rod connecting panel 35 of two upper and lower settings, the other end of suspension bracket connecting rod 36 connects an end (for example welding) of suspension bracket connecting rod 37, the other end of suspension bracket connecting rod 37 and pylon strut 41 and suspension bracket suspension hook 38 link together, and have hung Hanging roller 40 by lifting rope 39 on this suspension bracket suspension hook 38.Tear tower open and be fixed on jacking with on the interior tower joint 6 by rotating shaft pin 43 with suspension bracket 7, on a Hanging roller 40, hang up steel rope when tearing tower open, one end of steel rope be placed on ground winch and link to each other, the other end links to each other with the tower material of dismounting, winch is emitted steel rope, and the tower material of dismounting is transported to ground from tower.Tear tower open and be positioned at jacking with on the tower joint 6 with suspension bracket 7, such positional structure can hoisting crane for convenience detach.Be connected on the suspension bracket suspension hook and will play Hanging roller, make it with to play being connected of steel rope between Hanging roller and the winch convenient by lifting rope.
As shown in Figure 1, described driver's cab 18 is configured in the hoisting crane bottom, and the working condition of hoisting crane can monitor by the camera head of driver's cab and be controlled by joint action table.Described driver's cab is configured in hoisting crane bottom, and drive motor in each lifting mechanism and the lifting mechanism and the various video camera controllers of being located on the body of the tower are connected with coupled control table in the driver's cab by transmission of electricity and/or data transfer cable.
Claims (10)
1. column crane special for movable arm type group tower, it is characterized in that: it comprises interconnective successively from bottom to top fixed feet (1), standard knot (2), jacking Nei Tajie (6), one jacking apparatus (5) is arranged on described jacking with on the Nei Tajie (6), also be connected with one in this jacking with the upper end of Nei Tajie (6) and hoist, constitute whole body of the tower thus with Nei Tajie (9); One mechanism (8) that hoists is arranged on described on the described body of the tower and hoists with on the Nei Tajie (9), connect the total member of single-revolution (17) on the described cat head rotationally, go up an end that connects this crane arm (10) at this rotating assembly spare (17), a luffing mechanism (16) is gone up and be provided with to this rotating assembly spare (17), this luffing mechanism (16) comprises a winch, it is fixed on the described rotating assembly spare (17), set firmly an end that twines a luffing stay cord on this winch, the other end of luffing stay cord is fixed on this crane arm, make when winch rotates, affect described crane arm in perpendicular, in 15 °～89 ° scopes of level attitude, to rotate by described luffing stay cord; Comprise a winch in the described lifting mechanism that on this body of the tower, is provided with, connect on this winch and twine an end of reusing steel rope (19a) together, the other end of this steel rope (19a) extends to bonded assembly one lifting hook pulley group (11) on crane arm (10) external part along described crane arm (10).
2. column crane special for movable arm type group tower according to claim 1, it is characterized in that: also set firmly a cat head strut (15) on the described rotating assembly spare on the described cat head, set firmly an end of a safety rope (13) on it, the other end of this safety rope (13) is fixed on the described crane arm (10).
3. column crane special for movable arm type group tower according to claim 2 is characterized in that: the length of this safety rope (13) is: safety rope is straightened when making the lower position of described crane arm in its rotatable angular range.
4. column crane special for movable arm type group tower according to claim 1, it is characterized in that: described luffing stay cord (12) comprises a front end stay cord (12a), one luffing assembly pulley (14) and assembly pulley stay cord (12b), one end of described front end stay cord (12a) is fixed on the crane arm (10), pulley (14a) in the fixing described luffing assembly pulley of the other end of this front end stay cord (12a), another pulley (14b) in the described luffing assembly pulley is fixed on the rotating assembly spare (17), one end of described assembly pulley stay cord (12b) is fixed on the roller of winch of described luffing mechanism, and the other end passes two described pulleys (14a) of described luffing assembly pulley, race (14b) is fixed on the described rotating assembly spare (17).
5. column crane special for movable arm type group tower according to claim 1, it is characterized in that: described luffing stay cord (12) comprises a front end stay cord (12a), one luffing assembly pulley and assembly pulley stay cord (12b), one end of described front end stay cord (12a) is fixed on the crane arm (10), pulley (14a) in the fixing described luffing assembly pulley of the other end of this front end stay cord (12a), another pulley (14b) in the described luffing assembly pulley is fixed on the cat head strut (15) fixing on the rotating assembly spare, one end of described assembly pulley stay cord (12b) is fixed on the roller of winch of luffing mechanism, and the race that the other end passes described two pulleys of luffing assembly pulley is fixed on the cat head strut fixing on the rotating assembly spare.
6. column crane special for movable arm type group tower according to claim 1 is characterized in that: this jacking connects firmly this with Nei Tajie upper end by fish plate, connecting pin Axile connection structure and hoists and use Nei Tajie.
7. column crane special for movable arm type group tower according to claim 1, it is characterized in that: described lifting mechanism (8) with the connection structure that hoists with Nei Tajie (9) is: described lifting mechanism (8) comprises winch (19), winch connecting panel (20), connect bearing pin (22), described winch (19) is fixed on the supporting plate, below this supporting plate, set firmly winch connecting panel (20), at described winch connecting panel (20) with hoist and go up connecting pin axis hole on the Nei Tajie winch supporting plate (23) that the corresponding position is provided with Nei Tajie (9), make to hoist and link to each other with Nei Tajie winch connecting panel with hoisting with Nei Tajie by being inserted in bearing pin (22) in the connecting pin axis hole.
8. column crane special for movable arm type group tower according to claim 1 is characterized in that: also be provided with one and tear tower suspension bracket (7) open on described body of the tower.
9. column crane special for movable arm type group tower according to claim 8, it is characterized in that: this is torn tower open and comprises suspension bracket and play Hanging roller with suspension bracket, suspension bracket comprises pylon strut, suspension bracket connecting rod and suspension bracket connecting panel, it connects into link span, fixed bias circuit on the suspension bracket connecting panel, it is fixed on the body of the tower by rotating shaft pin; Described Hanging roller links by the suspension bracket suspension hook on lifting rope and the suspension bracket.
10. column crane special for movable arm type group tower according to claim 9, it is characterized in that: described suspension bracket (7) is by turning cylinder (34), suspension bracket connecting panel (35), suspension bracket connecting rod (36,37), suspension bracket suspension hook (38), lifting rope (39), play Hanging roller (40), pylon strut (41), suspension bracket connects bearing pin (42), rotating shaft pin (43) is formed, tear tower open and be positioned at described jacking with on the Nei Tajie (6) with suspension bracket (7), two described rotating shafts (34) suit is fixed on the vertical framework of described jacking with Nei Tajie (6) up and down, on turning cylinder (34), connect firmly suspension rod connecting panel (35), go up an end of difference hinged described suspension bracket connecting rod (36) and pylon strut (41) at the suspension rod connecting panel (35) of two upper and lower settings, the other end of suspension bracket connecting rod (36) connects an end of suspension bracket connecting rod (37), the other end of suspension bracket connecting rod (37) and pylon strut (41) and suspension bracket suspension hook (38) link together, and go up by lifting rope (39) at this suspension bracket suspension hook (38) and have hung Hanging roller (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810114263XA CN101357739B (en) | 2008-06-02 | 2008-06-02 | Column crane special for movable arm type group tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810114263XA CN101357739B (en) | 2008-06-02 | 2008-06-02 | Column crane special for movable arm type group tower |
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| CN101357739A true CN101357739A (en) | 2009-02-04 |
| CN101357739B CN101357739B (en) | 2011-07-27 |
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| CN101670985B (en) * | 2009-08-21 | 2013-05-22 | 中国电力科学研究院 | Electric transmission line iron tower erection tower crane with flexible base and flexible adhesion |
| CN103601080A (en) * | 2013-08-02 | 2014-02-26 | 广西建工集团建筑机械制造有限责任公司 | Tower carne with multi-position integrated structure |
| CN103832933A (en) * | 2013-09-29 | 2014-06-04 | 国家电网公司 | Group tower type crane with auxiliary boom |
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
| WO2015042945A1 (en) * | 2013-09-29 | 2015-04-02 | 国家电网公司 | An assembled tower type crane with movable counter-weight system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670985B (en) * | 2009-08-21 | 2013-05-22 | 中国电力科学研究院 | Electric transmission line iron tower erection tower crane with flexible base and flexible adhesion |
| CN103601080A (en) * | 2013-08-02 | 2014-02-26 | 广西建工集团建筑机械制造有限责任公司 | Tower carne with multi-position integrated structure |
| CN103832933A (en) * | 2013-09-29 | 2014-06-04 | 国家电网公司 | Group tower type crane with auxiliary boom |
| WO2015042945A1 (en) * | 2013-09-29 | 2015-04-02 | 国家电网公司 | An assembled tower type crane with movable counter-weight system |
| CN103832933B (en) * | 2013-09-29 | 2015-11-25 | 国家电网公司 | A kind of group tower tower crane with auxiliary |
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
| CN108190761A (en) * | 2018-03-08 | 2018-06-22 | 浙江虎霸建设机械有限公司 | A kind of derrick crane |
| CN109502487A (en) * | 2018-11-09 | 2019-03-22 | 湖南维尔力德科技有限公司 | A variety of crane arm combined tower cranes |
| RU190493U1 (en) * | 2019-05-15 | 2019-07-02 | федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) | Safety device |
| CN111508309A (en) * | 2020-06-02 | 2020-08-07 | 中国建设教育协会 | Special tower crane of swing arm formula teaching |
| CN111824974A (en) * | 2020-08-06 | 2020-10-27 | 庄爱军 | Movable arm type mast of high-rise tower crane and mounting mode thereof |
| CN112645224A (en) * | 2020-12-17 | 2021-04-13 | 海宁虎霸重工有限公司 | Tower crane |
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|---|---|
| CN101357739B (en) | 2011-07-27 |
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