CN102642782B - Tower crane capable of being transported, loaded and unloaded - Google Patents
Tower crane capable of being transported, loaded and unloaded Download PDFInfo
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- CN102642782B CN102642782B CN201210155693.2A CN201210155693A CN102642782B CN 102642782 B CN102642782 B CN 102642782B CN 201210155693 A CN201210155693 A CN 201210155693A CN 102642782 B CN102642782 B CN 102642782B
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- tower
- ear plate
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- vertical
- rotary table
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
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- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 11
- 210000001364 upper extremity Anatomy 0.000 description 9
- 241001669679 Eleotris Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The invention discloses a tower crane capable of being transported, loaded and unloaded, which comprises an underframe and a tower body, wherein a rotary table is arranged above the underframe, an inclined strut, a vertical tower winch and a fixed end are arranged above the rotary table, the tower body is movably connected with the inclined strut through a rotating pin, a vertical tower pulley is arranged on the tower body, a vertical tower steel wire rope of the vertical tower winch penetrates through the vertical tower pulley and then is connected with the fixed end, a rear trolley is arranged at one end of the rotary table, which is far away from the inclined strut, a front trolley is arranged at one end of the underframe, which is far away from the rear trolley, and the underframe is connected with the front trolley; the tower is characterized in that an upper ear plate is arranged on the tower body, a lower ear plate is arranged on the front car, a detachable inhaul cable is connected between the upper ear plate and the lower ear plate, and the length of the inhaul cable is smaller than the maximum distance between the upper ear plate and the lower ear plate. The self-elevating tower crane is simple in structure, convenient to operate and convenient for integral transportation of the tower crane, a fixed concrete foundation is not required to be made when the tower crane is installed, and compared with the traditional self-elevating tower crane, the self-elevating tower crane greatly saves the installation and disassembly time and cost and has good market prospect.
Description
Technical field
The present invention relates to a kind of industrial tower crane, particularly a kind of tower machine that can be transported fast and easily and load and unload.
Background technology
At present, the tower crane used in the domestic construction construction is mostly the tower crane of the design seventies in last century, owing to there is no traveling gear, the tower machine can not be done any movement, needs to rely on full size vehicle to complete transportation, and this external tower machine needs casting concrete basis in advance before installing, also to carry out basic dismounting after use, these links have not only consumed the plenty of time, and occupy sizable proportion in the use cost of whole tower machine, have many drawbacks.
Summary of the invention
Goal of the invention: technical matters to be solved by this invention is for the deficiencies in the prior art, but a kind of tower machine of transportation loading and unloading is provided.
In order to solve the problems of the technologies described above, but the invention discloses a kind of tower machine of transportation loading and unloading, comprise underframe and tower body, the underframe top is provided with rotary table, the rotary table top is provided with end wall bracket, vertical tower winch and fixed end, tower body and described end wall bracket are flexibly connected by the rotation pin, tower body is provided with vertical tower pulley, be connected and fixed end after the vertical tower pulley of the vertical tower steel wire penetrating of vertical tower winch, the end that described rotary table deviates from end wall bracket is provided with rear car, described underframe deviates from rear car one end and is provided with front truck, between underframe and front truck, by two bearing pins, is connected; Described tower body is provided with upper ear plate, and described front truck is provided with lower ear plate, is connected with the detouchable drag-line between upper ear plate and lower ear plate, and described guy cable length is less than the ultimate range of upper ear plate and lower ear plate.
But the process that the tower machine of transportation loading and unloading of the present invention is got off by travelling position is as follows: vertical tower winch rotates and tightens up vertical tower steel rope, make tower body tilt gradually, between upper ear plate and lower ear plate, distance diminishes, when both distances are less than or equal to guy cable length, use drag-line to connect upper ear plate and lower ear plate, rotate backward vertical tower winch, loosen vertical tower steel rope, tower body is accumbency gradually, between upper ear plate and lower ear plate, distance becomes large, until drag-line is tightened, stop driving winch, disassemble between underframe and front truck in two bearing pins one that is positioned at top, under the effect of drag-line pulling force, the tower machine can not descend with deadweight, the relative position of underframe and front vehicle frame remains unchanged, slowly discharge the vertical tower steel rope of vertical tower winch, tower body resets with own wt, in reseting procedure, because guy cable length is less than the ultimate range of upper ear plate and lower ear plate, upper ear plate pulls lower ear plate, rely on tower body to pull front truck upwards to rise along the bearing pin of below, also corresponding rise of underframe thus, now the original supporting leg of tower machine on underframe is trailed, vertical tower winch rotates and tightens up vertical tower steel rope afterwards, the tower machine falls with deadweight, until prop up, be located on the sleeper set in advance, the position of underframe and front truck no longer changes, continue to tighten up vertical tower steel rope, between upper ear plate and lower ear plate, distance diminishes, become relaxed state to drag-line, lay down drag-line, slowly discharge the vertical tower steel rope of vertical tower winch, until tower body lies low on rotary table, then unload front truck and rear car, the tower machine launches according to normal flow, tower body erects, can work.The tower machine packs up that the process that front truck and rear car transported is installed is similar with it.
In the present invention, described front truck comprises the front vehicle frame that connects underframe, and described upper ear plate is positioned on front vehicle frame.
In the present invention, described front vehicle frame the place ahead connects steering hardware, pilot bar and hook successively.Described steering hardware below is provided with front-wheel, and the axial deflection angle of steering hardware reaches 180 °, can make the tower machine also can transport flexibly in narrow and small workyard.Pilot bar one end connects an end of steering hardware, and the other end can move up and down.
In the present invention, the trailing wheel that described rear car comprises the rear vehicle frame that connects rotary table and is arranged on rear vehicle frame below.
Beneficial effect: the present invention combines the structure of transport section and handling part together dexterously, integral transportation trailer and understructure for the tower machine proposed, connect tower body and front truck by drag-line, connect conveying device and tower machine with bearing pin, utilize vertical tower winch driving and tower body Gravitative Loads to coordinate the quick conversion of tower machine mode of operation and travelling position; And without the concrete foundation that fixes, with traditional tower crane, compare when the tower machine is installed, significantly saved installing/dismounting time and cost; The deflection angle of Trailer equipment reaches 180 °, can make the also transition flexibly in narrow and small workyard of tower machine.This apparatus structure is simple, easy to operate, saves cost, is convenient to tower machine integral transportation, has good market outlook.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done further and illustrates, above-mentioned and/or otherwise advantage of the present invention will become apparent.
The structural representation that Fig. 1 is tower machine travelling position of the present invention.
The structural representation of the process of getting off that Fig. 2 is tower machine travelling position.
The structural representation of the process of getting off two that Fig. 3 is tower machine travelling position.
Fig. 4 is the structural representation of tower machine base structure of the present invention when folding.
Structural representation when Fig. 5 is tower machine base structure expansion of the present invention.
The structural representation of the process of getting off three that Fig. 6 is tower machine travelling position.
The structural representation of the process of getting off four that Fig. 7 is tower machine travelling position.
The specific embodiment
As shown in Figure 1, but the invention discloses a kind of tower machine of transportation loading and unloading, comprise underframe 15 and tower body 20, the underframe top is provided with rotary table 28, the rotary table top is provided with end wall bracket 22, vertical tower winch 27 and fixed end 26, tower body 20 is flexibly connected by rotation pin 21 with described end wall bracket, tower body is provided with vertical tower pulley 24, the vertical tower steel rope 25 of vertical tower winch is connected and fixed end after founding the tower pulley, the end that described rotary table deviates from end wall bracket is provided with rear car, described underframe deviates from rear car one end and is provided with front truck, pass through two bearing pins 6 between underframe and front truck, 7 connect, described tower body is provided with upper ear plate 23, and described front truck is provided with lower ear plate 9, is connected with detouchable drag-line 29 between upper ear plate and lower ear plate, and described guy cable length is less than the ultimate range of upper ear plate and lower ear plate.Described front truck comprises the front vehicle frame 8 that connects underframe, and described upper ear plate is positioned on front vehicle frame.Described front vehicle frame 8 the place aheads connect successively steering hardware 4, pilot bar 2 and link up with 1, and the steering hardware below is provided with front-wheel 10.The trailing wheel 19 that described rear car comprises the rear vehicle frame 18 that connects rotary table and is arranged on rear vehicle frame below.
Embodiment
As shown in Fig. 1 ~ Fig. 7, but the present embodiment discloses a kind of tower machine of transportation loading and unloading, and the method for getting on or off the bus of integral transportation state.Comprising front truck A, understructure B, rear car C, tower body 20 and drag-line 29.
As shown in Figure 1, described tower machine is folded state when integral transportation, and tower body 20 accumbency are on rotary table 28, and the side, bottom is flexibly connected by rotation pin 21 and end wall bracket 22, and the three-legged structure of tail end stretches out end wall bracket.The bottom along continuous straight runs of tower body inboard is disposed with upper ear plate 23 and Li Ta pulley 24.The middle part of rotary table also is provided with winch 27 and fixing otic placode 26, and bottom is supported 33 by revolution and is connected with underframe 15.The mouth of described winch 27 is connected with an end of vertical tower steel rope 25, and the other end of vertical tower steel rope is walked around vertical tower pulley 24, is fixedly attached to fixedly on otic placode 26, for controlling setting up and folding of tower body.
As shown in Figure 1, described front truck A comprises hook 1, pilot bar 2, vertical rotating pin 3, steering hardware 4, horizontally rotates bearing pin 5, front truck upper pin 6, front truck lower bearing pin 7, front vehicle frame 8, lower ear plate 9 and front-wheel 10.The top of described pilot bar 2 is fixedly connected with hook 1, and tail end is flexibly connected by vertical rotating pin 3 and the front end of steering hardware 4, can in perpendicular, around bearing pin 3, rotate.The rear end of steering hardware is connected by horizontally rotating bearing pin 5 with front vehicle frame 8, and its underpart also is provided with front-wheel 10, and steering hardware can drive front-wheel and rotate in level around rotating pin 5, and rotational angle reaches 180 °.The rear end of described front vehicle frame 8 is connected by front truck upper pin 6, front truck lower bearing pin 7 with connecting panel 34, bearing pin 6 be arranged on bearing pin 7 directly over, the front vehicle frame upper surface also is fixedly installed lower ear plate 9 near bearing pin 6 places.Described vertical rotating pin 3 and the setting that horizontally rotates bearing pin 5, guaranteed that the tower machine has good turning efficiency when the integral transportation state, the also transition flexibly in narrow and small workyard.
As shown in Figure 1, described rear car C comprises rear car upper pin 16, rear car lower bearing pin 17, rear vehicle frame 18 and trailing wheel 19.The lower end of described rear vehicle frame 18 is provided with trailing wheel 19, and upper end is connected with the end away from end wall bracket 22 on described rotary table 28 with rear car lower bearing pin 17 by rear car upper pin 16, bearing pin 16 be arranged in bearing pin 17 directly over.
As shown in Figure 1 and Figure 4 and Figure 5, described understructure B comprises rear support leg 11, front leg strut 12, rear support 13, front bearing 14, underframe 15, rear support leg bearing pin 31, front leg strut bearing pin 32 and connecting panel 34.The both sides of described underframe 15 front portions are flexibly connected by front leg strut bearing pin 32 and an end of front leg strut 12, and the both sides at rear portion are flexibly connected by rear support leg bearing pin 31 and an end of rear support leg 11, and supporting leg can rotate around bearing pin.The other end of described rear support leg 11 and front leg strut 12 is respectively arranged with rear support 13 and front bearing 14, and the tower machine is when travelling position, and the distance on bottom surface of support saddle and ground is H.
Be illustrated in figure 4 the initial condition of described base mechanism B, front leg strut 12 folding shrinkings are in the both sides of underframe 15, and rear support leg 11 is consistent with front leg strut 12 folded states, and the front and back supporting leg is parallel to each other.
The upper ear plate 23 of described tower body 28 inboard roots, be arranged in same perpendicular with the lower ear plate 9 of the upper surface that is fixed on front vehicle frame 8, the tower machine when travelling position between the two the distance be D.
In use, an end is connected with the upper ear plate 23 of tower body 20 roots described drag-line 29, and the other end is connected with the lower ear plate 9 that is fixed on front vehicle frame 8 upper surfaces, and the length S of described drag-line 29 is less than the distance B of 9 of described upper ear plate 23 and lower ear plates.
The process of getting off of tower machine integral transportation state is as follows: drive the vertical tower winch 27 be arranged on rotary table 28 to tighten up vertical tower steel rope 25, the vertical tower pulley 24 of traction, driving the rotation pin 21 of tower body 20 on end wall bracket 22 clockwise rotates, the upper ear plate 23 that is fixed on the inboard root of tower body oliquely downward moves around rotation pin 21, in this process, the distance of upper ear plate and lower ear plate will diminish gradually.
After rotation pin 21 when tower body 20 on end wall bracket 22 turns over certain angle, the distance of described upper ear plate 23 and lower ear plate 9 is reduced to d by D, d is slightly smaller than the length S of described drag-line 29, stops driving vertical tower winch 27, uses described drag-line 29 to connect upper ear plate and lower ear plate.Drive winch to loosen described vertical tower steel rope 25, tower body 20 rotates counterclockwise around the rotation pin under the self gravitation effect, the distance of upper ear plate and lower ear plate will become large, until drag-line is tightened, stop driving winch, unload the front truck upper pin 6 that connects front vehicle frame 8 and connecting panel 34, under the effect of drag-line pulling force, the tower machine can not descend with deadweight, and underframe 15 remains unchanged with the relative position of front vehicle frame, and now the state of tower machine as shown in Figure 2.
Continue to drive vertical tower winch 27, loosen vertical tower steel rope 23, tower body 20 rotates counterclockwise around rotation pin 21 under the self gravitation effect, the upper ear plate 23 that is fixed on the tower body root upwards rotates, and lower ear plate 9 moves up under the pulling of drag-line 29, and front truck lower bearing pin 7 drives underframe 15 and upwards rises, front vehicle frame 8 clockwise rotates around front truck lower bearing pin 7, until pilot bar 2 kiss the earths stop driving winch, now the state of tower machine as shown in Figure 3.
Drive front leg strut 12 and rear support leg 11 to rotate expansion around front leg strut bearing pin 32 and rear support leg bearing pin 31 respectively, as shown in Figure 5, adjacent legs is mutually vertical for the state after expansion.The sleeper 30 that is L at the arranged beneath thickness of described front bearing 14, rear support 13, L is slightly larger than the distance H on tower machine bottom surface of support saddle and ground when travelling position.
Drive vertical tower winch 27 to tighten up vertical tower steel rope 25, tower body 20 clockwise rotates around rotation pin 21, under tower machine Action of Gravity Field, underframe 15 and front vehicle frame 8 are rotated around front truck lower bearing pin 7, underframe moves down, until rear support 13 and front bearing 14 drop on fully the below sleeper 30 on, the distance H on bottom surface of support saddle and ground while due to sleeper thickness L, being slightly larger than tower machine travelling position, described rear car C built on stilts.Continue to tighten up vertical tower steel rope 25, until drag-line 29 is lax, now the weight of tower machine all acts on sleeper, and described front truck A and rear car C be bearing load no longer, and now the state of tower machine as shown in Figure 6.
Unload downhaul, rotate backward winch 27, on rotary table 28, stop driving winch to tower body 20 folding accumbency again.Take out rear car upper pin 16, rear car lower bearing pin 17 and front truck lower bearing pin 7, front truck A, rear car C can break away from connecting panel 34, rotary table 28 respectively, and the process of getting off of tower machine travelling position finishes, and now tower machine state as shown in Figure 7.
The get on the bus process of tower machine from folded state to the integral transportation state-transition, operated according to the contrary order of the process of getting off of above-mentioned tower machine integral transportation state.
But the invention provides a kind of thinking and method of tower machine of transportation loading and unloading; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles 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.In the present embodiment not clear and definite each component part all available prior art realized.
Claims (4)
1. but the tower machine of a transportation loading and unloading, comprise underframe (15) and tower body (20), the underframe top is provided with rotary table (28), the rotary table top is provided with end wall bracket (22), vertical tower winch (27) and fixed end (26), tower body (20) is flexibly connected by rotation pin (21) with described end wall bracket, tower body is provided with vertical tower pulley (24), the vertical tower steel rope (25) of vertical tower winch is connected and fixed end after founding the tower pulley, it is characterized in that, the end that described rotary table deviates from end wall bracket is provided with rear car, described underframe deviates from rear car one end and is provided with front truck, between underframe and front truck, by two bearing pins, be connected, described tower body is provided with upper ear plate (23), and described front truck is provided with lower ear plate (9), is connected with detouchable drag-line (29) between upper ear plate and lower ear plate, and described guy cable length is less than the ultimate range of upper ear plate and lower ear plate.
2. but the tower machine of a kind of transportation loading and unloading according to claim 1, is characterized in that, described front truck comprises the front vehicle frame (8) that connects underframe, and described lower ear plate is positioned on front vehicle frame.
3. but the tower machine of a kind of transportation loading and unloading according to claim 2, is characterized in that, described front vehicle frame (8) the place ahead connects steering hardware (4), pilot bar (2) and hook (1) successively, and the steering hardware below is provided with front-wheel (10).
4. but according to the tower machine of claim 1 or 2 or 3 described a kind of transportation loading and unloadings, it is characterized in that the trailing wheel (19) that described rear car comprises the rear vehicle frame (18) that connects rotary table and is arranged on rear vehicle frame below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210155693.2A CN102642782B (en) | 2012-05-19 | 2012-05-19 | Tower crane capable of being transported, loaded and unloaded |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210155693.2A CN102642782B (en) | 2012-05-19 | 2012-05-19 | Tower crane capable of being transported, loaded and unloaded |
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| Publication Number | Publication Date |
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| CN102642782A CN102642782A (en) | 2012-08-22 |
| CN102642782B true CN102642782B (en) | 2014-01-08 |
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| CN201210155693.2A Expired - Fee Related CN102642782B (en) | 2012-05-19 | 2012-05-19 | Tower crane capable of being transported, loaded and unloaded |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3230195B1 (en) * | 2014-12-09 | 2023-09-06 | Wobben Properties GmbH | Tower crane for erecting a wind turbine, and method for erecting said tower crane |
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| CN103523683B (en) * | 2013-10-16 | 2015-07-15 | 温州建设集团有限公司 | Construction method for dismantling tower crane by use of small hoisting equipment |
| CN105129634B (en) * | 2015-08-12 | 2017-08-29 | 中联重科股份有限公司 | Travelling mechanism for roof crane and crane |
| CN106428262B (en) * | 2016-11-08 | 2019-07-12 | 徐州建机工程机械有限公司 | A kind of crane arm counter-jib whole Transporting device |
| CN110894755B (en) * | 2018-09-13 | 2021-06-18 | 国网湖南省电力有限公司 | Movable overhaul room with living room |
| CN111188414B (en) * | 2018-11-15 | 2021-06-18 | 国网湖南省电力有限公司 | Modular living room |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315960A1 (en) * | 1993-05-12 | 1994-11-17 | Liebherr Werk Biberach Gmbh | Crane with telescopic tower |
| EP1188707A1 (en) * | 2000-09-18 | 2002-03-20 | Karl Schaeff GmbH & Co. Maschinenfabrik | Material handling device |
| CN2510465Y (en) * | 2001-12-21 | 2002-09-11 | 赵明生 | New-type multifunctional engineering vehicle for lifting 2-50 tons |
| CN101920914A (en) * | 2010-06-19 | 2010-12-22 | 张培霞 | Vehicle-type upper rotating tower crane |
| CN101962156A (en) * | 2010-10-18 | 2011-02-02 | 南京工业大学 | Foldable fast-assembling tower crane |
| CN202594661U (en) * | 2012-05-19 | 2012-12-12 | 南京工业大学 | Tower crane capable of being transported, loaded and unloaded |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08108990A (en) * | 1994-10-12 | 1996-04-30 | Furukawa Co Ltd | Assembling crane |
| DE10328767A1 (en) * | 2003-06-25 | 2005-01-20 | Putzmeister Ag | Mobile concrete pump with distribution boom |
-
2012
- 2012-05-19 CN CN201210155693.2A patent/CN102642782B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315960A1 (en) * | 1993-05-12 | 1994-11-17 | Liebherr Werk Biberach Gmbh | Crane with telescopic tower |
| EP1188707A1 (en) * | 2000-09-18 | 2002-03-20 | Karl Schaeff GmbH & Co. Maschinenfabrik | Material handling device |
| CN2510465Y (en) * | 2001-12-21 | 2002-09-11 | 赵明生 | New-type multifunctional engineering vehicle for lifting 2-50 tons |
| CN101920914A (en) * | 2010-06-19 | 2010-12-22 | 张培霞 | Vehicle-type upper rotating tower crane |
| CN101962156A (en) * | 2010-10-18 | 2011-02-02 | 南京工业大学 | Foldable fast-assembling tower crane |
| CN202594661U (en) * | 2012-05-19 | 2012-12-12 | 南京工业大学 | Tower crane capable of being transported, loaded and unloaded |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-108990A 1996.04.30 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3230195B1 (en) * | 2014-12-09 | 2023-09-06 | Wobben Properties GmbH | Tower crane for erecting a wind turbine, and method for erecting said tower crane |
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| CN102642782A (en) | 2012-08-22 |
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