CN202936122U - Variable amplitude fixed pulley mechanism and hoisting machinery - Google Patents
Variable amplitude fixed pulley mechanism and hoisting machinery Download PDFInfo
- Publication number
- CN202936122U CN202936122U CN 201220677153 CN201220677153U CN202936122U CN 202936122 U CN202936122 U CN 202936122U CN 201220677153 CN201220677153 CN 201220677153 CN 201220677153 U CN201220677153 U CN 201220677153U CN 202936122 U CN202936122 U CN 202936122U
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- fixed pulley
- platform
- frame
- mast
- luffing
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Abstract
The utility model discloses a variable amplitude fixed pulley mechanism and hoisting machinery; the variable amplitude fixed pulley mechanism comprises a pull-up cylinder (2), a rope stopping frame (3), a fixed pulley assembly (4) and a fixed pulley holder (5); the rope stopping frame and the fixed pulley assembly are rotationally installed at the top end of the fixed pulley holder; the fixed pulley frame is disposed behind a mast (7) and a cantilever crane (15) and the bottom end of the fixed pulley frame is hinged on a platform (6); one end of the pull-up cylinder is hinged on the platform and the other end is hinged at the backside of the fixed pulley holder in order to drive the fixed pulley holder to lift upwards or lie on the back forwards. The fixed pulley assembly and a mast pulley assembly (71) are connected by a variable amplitude steel wire rope; and the mast and the cantilever crane are connected by a pull plate (9). When the fixed pulley assembly lifts upwards, a big enough raising lifting angle can be obtained so as to lift the mast conveniently. The altitude space of one side of the fixed pulley holder on the platform can be used completely. With the adoption of the design that the fixed pulley holder when being transported can lie on the back forwards so as to hide, the height of the platform is reduced and the fixed pulley mechanism is beneficial for transporting.
Description
Technical field
The utility model belongs to the elevator machinery field, especially, relates to a kind of elevator machinery and luffing fixed pulley mechanism thereof.
Background technology
In the change subsystem of elevator machinery, a kind of is the change vice mechanism form that adopts A type frame, and during transportation, A type frame is seated on platform after folding, and first plays A type frame when playing arm, after A type frame puts in place and fixes, the recurrence jib, wherein need the A type to erect the frame oil cylinder and carry out less important work and support.Another kind is the change vice mechanism form that adopts mast, and as shown in Figure 1, fixed pulley group 4 is fixedly mounted on platform 6 by luffing mounting bracket 13, and during transportation, mast 7 is placed on platform 6, as shown in Figure 3.When playing arm, as shown in Figure 2, mast oil cylinder is first with mast 7 jack-up certain angles and tighten variable-amplitude steel wire rope, and by arm-tie 9 pull-up jibs (showing in Fig. 2), this also needs mast oil cylinder to carry out less important work and support to mast 7 again.Also having a kind of is to adopt simultaneously A type frame to add the luffing mechanism form of mast, needs equally the A type to erect the less important work of frame oil cylinder and support.
But no matter which kind of becomes the vice mechanism form, and the installation site of fixed pulley group 4 is all fixing.Fig. 1 to Fig. 3 has shown a kind of change vice mechanism form that adopts mast, between mode of operation shown in Figure 2 and travelling position shown in Figure 3, the elevation angle of the variable-amplitude steel wire rope between fixed pulley group 4 and running block (i.e. mast assembly pulley 71 in the figure) leaning angle of platform 6 (namely with respect to) alters a great deal, the mobile space that is variable-amplitude steel wire rope is large, in this mobile space, other structure member can not be installed, in order to avoid the interference variable-amplitude steel wire rope makes steel rope impaired, cause the waste on the space.In addition, when pull-up mast 7, the height of the centre of gration of fixed pulley group 4 must be higher than the height of the bottom hinge of mast 7, therefore is fixedly mounted on the height that fixed pulley group 4 on turntable 6 has increased turntable structure to a certain extent.But simultaneously, the fixed pulley group 4 on turntable 6 can not design again too high, otherwise too high meeting causes the height of car load when travelling position bigger than normal, is unfavorable for transportation.
The utility model content
For the defective that exists in above-mentioned prior art and deficiency, the utility model provides a kind of luffing fixed pulley mechanism and elevator machinery, the space utilization on the platform that this luffing fixed pulley mechanism is conducive to elevator machinery is installed and does not increase podium level.
To achieve these goals, the utility model provides a kind of luffing fixed pulley mechanism of elevator machinery, it is characterized in that, this luffing fixed pulley mechanism comprises cocked cylinder, gear rope skeleton, fixed pulley group and fixed pulley frame, described gear rope skeleton and fixed pulley group are rotatably mounted on the top of described fixed pulley frame, and described cocked cylinder is articulated in a side of described fixed pulley frame and upwards holds up or crouch to opposite side is flat to be used for this fixed pulley frame of promotion.
Preferably, this luffing fixed pulley mechanism also comprises stay bearing plate, and this stay bearing plate is connected in a side of described fixed pulley frame to be used for supporting this fixed pulley frame when described fixed pulley frame is upwards holded up.
Preferably, described stay bearing plate is hinged or removably be fixedly connected on described fixed pulley frame by fastener by bearing pin.
Preferably, described fixed pulley frame comprises the side plate of the left and right sides, and described stay bearing plate is two and is connected on described side plate, and described gear rope skeleton and fixed pulley group are rotatably mounted between the top of described two side plates.
Preferably, described cocked cylinder is hydraulic ram, and this hydraulic ram is articulated in described fixed pulley frame one side by bearing pin, and between described two side plates.
the utility model also provides a kind of elevator machinery, this elevator machinery comprises the luffing fixed pulley mechanism of installing on platform and this platform, mast and jib, one end of this mast is articulated on described platform, the other end is equipped with the mast assembly pulley, be connected by arm-tie between described mast and jib, described luffing fixed pulley mechanism comprises cocked cylinder, gear rope skeleton, fixed pulley group and fixed pulley frame, this fixed pulley chord position is in the rear of described mast and jib and the bottom is hinged is installed on described platform, described gear rope skeleton and fixed pulley group are rotatably mounted on the top of described fixed pulley frame, be connected by variable-amplitude steel wire rope between this fixed pulley group and described mast assembly pulley, one end of described cocked cylinder is articulated on described platform, the other end is articulated in the rear side of described fixed pulley frame and upwards holds up or put down forward sleeping to promote this fixed pulley frame.
Preferably, be formed with the accommodation space that can hold described luffing fixed pulley mechanism on described platform, to promote described fixed pulley frame flat when sleeping forward when described cocked cylinder, and described luffing fixed pulley mechanism is contained in described accommodation space.
Preferably, described platform is provided with the platform tank tower, this platform tank tower comprises side frames, be formed with described accommodation space between this side frames, described mast is articulated in the front end of described platform tank tower, described fixed pulley frame comprises the side plate of the left and right sides, and this biside plate is articulated in respectively the inboard of described side frames, and described cocked cylinder is articulated in the rear end of described platform tank tower.
Preferably, on described platform tank tower, the make progress height of described fixed pulley group when vertical of described fixed pulley frame satisfies any mounting structure and steel rope space between described fixed pulley frame and described mast.
Preferably, this luffing fixed pulley mechanism also comprises two stay bearing plates, when the described fixed pulley frame of described cocked cylinder promotion was upwards holded up, an end of described two stay bearing plates was connected on the side frames of described platform tank tower, and the other end connects respectively and support the side plate of described fixed pulley frame.
According to luffing fixed pulley mechanism of the present utility model and in adopting the elevator machinery of this luffing fixed pulley mechanism, the fixed pulley group is arranged on the fixed pulley frame, the fixed pulley frame can be hinged on platform, and the fixed pulley frame can upwards be holded up or be flat sleeping forward under the promotion of cocked cylinder.Therefore, under the mode of operation that the fixed pulley frame is upwards holded up, can obtain an enough large lift angle when playing mast, facilitated mast, and the height space of fixed pulley frame one side on platform can be used for installing other structure member, so that the compact design design needs, effectively utilizes the space.And the fixed pulley frame can be put down forward to crouch when transportation and be hidden design, thereby reduces podium level, is conducive to transportation.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the mounting structure schematic diagram of a kind of luffing fixed pulley of the prior art mechanism;
Fig. 2 is the shown in Figure 1 luffing fixed pulley mechanism structural representation under in working order;
Fig. 3 is the structural representation of luffing fixed pulley mechanism under travelling position shown in Figure 1;
Fig. 4 is the structural representation according to the luffing fixed pulley mechanism of preferred implementation of the present utility model;
Fig. 5 is the shown in Figure 4 luffing fixed pulley mechanism mounting structure schematic diagram under in working order;
Fig. 6 is the mounting structure schematic diagram of luffing fixed pulley mechanism under travelling position shown in Figure 4.
Description of reference numerals
1 stay bearing plate 2 cocked cylinders
3 gear rope skeleton 4 fixed pulley groups
5 fixed pulley frame 6 platforms
7 mast 8 platform tank towers
9 arm-tie 10 times vehicle frames
The 11 winching barrel 12 luffing winching barrels that hoist
The 13 luffing mounting bracket 14 anti-locking mechanisms of layback
15 jib 51 side plates
71 mast assembly pulley 81 bogie side frames
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for vertically, each parts mutual alignment relationship description word on vertical or gravity direction.The noun of locality " forward and backward " is normally for the working direction of elevator machinery, and namely headstock is partly " front " similarly, and tailstock position is " afterwards ".
As shown in Figure 4, the utility model provides a kind of luffing fixed pulley mechanism of elevator machinery, this luffing fixed pulley mechanism comprises cocked cylinder 2, gear rope skeleton 3, fixed pulley group 4 and fixed pulley frame 5, gear rope skeleton 3 and fixed pulley group 4 are rotatably installed in the top of fixed pulley frame 5, and cocked cylinder 2 is articulated in the rear side of fixed pulley frame 5.In the utility model, luffing fixed pulley mechanism design is become movable structure, fixed pulley group 4 being fixedly mounted on platform 6 no longer as shown in Figure 1 wherein, but by fixed pulley frame 5 is set, fixed pulley group 4 is arranged on fixed pulley frame 5, and fixed pulley frame 5 can prop up certain altitude by cocked cylinder 2 promotions or flat crouching into is hidden in platform 6.Like this, the fixed pulley frame can be put down forward to crouch when transportation and be hidden design, thereby reduces podium level, is conducive to transportation.Under the mode of operation that fixed pulley frame 5 is upwards holded up, the shaft core position of fixed pulley group 4 can be with respect to the elevated height of the hinge-point position of mast bottom, thereby obtain the larger lift angle that rises, facilitate mast, other mounting structure generation constructive interference on the more difficult and platform 6 of variable-amplitude steel wire rope.Thereby when fixed pulley frame 5 was upwards holded up, the height space of fixed pulley frame 5 one sides on platform 6 can be used for installing other structure member, lower vehicle frame 10 as shown in Figure 5 etc.Thereby can carry out more compact design design on platform 6, effectively utilize platform space.
Wherein, above-mentioned luffing fixed pulley mechanism can comprise stay bearing plate 1, and this stay bearing plate 1 is connected on the rear side of fixed pulley frame 5.By stay bearing plate 1 is set, can the mode of operation when fixed pulley frame 5 is upwards holded up under, by being installed to the firm support fixed pulley of stay bearing plate 1 frame 5 on platform 6, thereby it is stressed to avoid making cocked cylinder 2 to support, to save power.Preferably, fixed pulley frame 5 comprises the side plate 51 of the left and right sides, and stay bearing plate 1 should be two and be connected on corresponding side plate 51 mutually.Stay bearing plate 1 forms stable three-legged structure with side plate 51 on platform 6, it is firm to support.Wherein, stay bearing plate 1 is can be by bearing pin hinged or be fixedly connected on fixed pulley frame 5 by fastener, with form that rotating pivotable connects or removably fastener connect.When the transportation of elevator machinery, will get final product under stay bearing plate 1 dismounting.On elevator machinery, cocked cylinder 2 is typically designed to hydraulic ram, and this hydraulic ram is articulated between two side plates 51 on fixed pulley frame 5 tops by bearing pin, so that support and pull fixed pulley frame 5.Cocked cylinder 2 is articulated in the rear end of fixed pulley frame 5 obliquely, can by piston rod stretch realize promoting that fixed pulley frame 5 is upwards holded up or flat sleeping forward.
On the basis of above-mentioned luffing fixed pulley mechanism, the utility model is corresponding provides a kind of elevator machinery.Fig. 5 is the luffing fixed pulley mechanism mounting structure schematic diagram under in working order of this elevator machinery, and Fig. 6 is the mounting structure schematic diagram of luffing fixed pulley mechanism under travelling position of this elevator machinery.As shown in Figure 5 and Figure 6, this elevator machinery comprises luffing fixed pulley mechanism, mast 7 and the jib 15 of installing on platform 6 and this platform 6, one end of this mast 7 is articulated on platform 6, the other end is equipped with mast assembly pulley 71, is connected (having done in Fig. 5 partly to omit) by arm-tie 9 between mast 7 and jib 15.Wherein, luffing fixed pulley mechanism comprises cocked cylinder 2, gear rope skeleton 3, fixed pulley group 4 and fixed pulley frame 5, this fixed pulley frame 5 is positioned at the rear of mast 7 and jib 15 and the bottom is hinged is installed on platform 6, gear rope skeleton 3 and fixed pulley group 4 are rotatably mounted on the top of fixed pulley frame 5, be connected by variable-amplitude steel wire rope between this fixed pulley group 4 and mast assembly pulley 71, one end of cocked cylinder 2 is articulated on platform 6, and the other end is articulated in the rear side of fixed pulley frame 5 and upwards holds up or put down forward sleeping to promote this fixed pulley frame 5.
As previously mentioned, be pivotally attached to fixed pulley frame 5 on hoisting crane platform 6 by setting, but lifting or flat sleeping fixed pulley group 4.When travelling position shown in Figure 6, make fixed pulley group 4 flat sleeping in order to transport, prevent in the situation that highly higher fixed pulley group 4 upright state of platform 6 cause the problem that surpasses.And as shown in Figure 5, needing pull-up mast 7 and when pulling the mode of operation of 7 arms of mast, can pass through cocked cylinder 2 lifting fixed pulley groups 4, fixed pulley frame 5 is able to lifting, thereby can obtain enough lift angles that rises when pull-up mast 7, flexible operation, automatic.After pull-up mast 7, mast 7, jib 15 and arm-tie 9 triangularity shapes can make jib 15 follow the hinge rotation of mast 7 on each comfortable platform 6 by operation fixed pulley group 4 and the direct variable-amplitude steel wire rope of mast assembly pulley 71, thereby reach the arm purpose.As shown in Figure 5, because being able to lifting, fixed pulley frame 5 make the pivot center height of fixed pulley group 4 higher, at pull-up mast 7 with in playing the arm process, variable-amplitude steel wire rope not can with the height space that is arranged on fixed pulley frame 5 one sides on platform 6 in structure member (lower vehicle frame 10 as shown in Figure 5 etc.) produce constructive interference.Under travelling position as shown in Figure 6, lower vehicle frame shown in Figure 5 10 structure members such as grade can be removed, fixed pulley frame 5 and variable-amplitude steel wire rope are flat sleeping, also variable-amplitude steel wire rope are not impacted equally.Thereby can fully effectively utilize platform space, parts such as lower vehicle frame 10, hydraulic tubing are installed, carry out more compact design design.
For further lowering podium level, can preferably be formed with the accommodation space that can hold luffing fixed pulley mechanism on platform 6, to promote fixed pulley framves 5 flat when sleeping forward when cocked cylinder 2, and luffing fixed pulley mechanism can be contained in accommodation space.Because usually platform 6 is highly higher, there is the limit for height problem when road transport, for reducing the height of platform 6 as far as possible, thereby can design accommodation space to hide fixed pulley mechanism on platform 6, solve transportation limit for height problem.Be illustrated in figure 5 as the situation that in the present embodiment platform 6 is provided with platform tank tower 8.This platform tank tower 8 comprises side frames 81, namely is formed with above-mentioned accommodation space between this side frames 81 to hold luffing fixed pulley mechanism.Mast 7 is articulated in the front end of platform tank tower 8, and fixed pulley frame 5 comprises the side plate 51 of the left and right sides, and this biside plate 51 is articulated in respectively the inboard of side frames 81, and cocked cylinder 2 is articulated in the rear end of platform tank tower 8.Wherein, on platform tank tower 8, the height of the fixed pulley group 4 of installing on fixed pulley frame 5 is greater than the height of any mounting structure between fixed pulley frame 5 and mast 7.The height that is fixed pulley frame 5 needs enough high to avoid construction of wire rope to interfere.
As seen from Figure 5, when the work of luffing fixed pulley mechanism, when cocked cylinder 2 promotion fixed pulley framves 5 are upwards holded up, this luffing fixed pulley mechanism also comprises two stay bearing plates 1, one end of two stay bearing plates 1 is connected on the side frames 81 of platform tank tower 8, the other end connects respectively and supports the side plate 51 of fixed pulley frame 5, supports this luffing fixed pulley mechanism to substitute cocked cylinder 2.Under travelling position shown in Figure 6, stay bearing plate 1 and side plate 51 broken away to be connected get final product.
according to elevator machinery of the present utility model, when the luffing assembly pulley was in running order, cocked cylinder 2 can not stress, and can save power by stay bearing plate 1 support that fixes this moment.When being in travelling position, the hinging pin shaft between stay bearing plate 1 and fixed pulley frame 5 is removed, stretch out the piston rod of cocked cylinder 2, fixed pulley group 4 and fixed pulley frame 5 can be hidden in platform tank tower 8, reach the purpose that reduces podium level.Wherein, the height of fixed pulley frame 5 can be according to the actual needs adjustment, and the height design space is large, and during transportation, fixed pulley frame 5 and fixed pulley group 4 can be hidden to platform tank tower 8, substantially do not take platform space.The number of cocked cylinder 2 and stay bearing plate 1 has one at least, can choose according to actual conditions a plurality of.Stay bearing plate 1 can be connected with platform 6 with fixed pulley frame 5 by bearing pin connection or bolt connecting mode.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. the luffing fixed pulley mechanism of elevator machinery, it is characterized in that, this luffing fixed pulley mechanism comprises cocked cylinder (2), gear rope skeleton (3), fixed pulley group (4) and fixed pulley frame (5), described gear rope skeleton (3) and fixed pulley group (4) are rotatably mounted on the top of described fixed pulley frame (5), and described cocked cylinder (2) is articulated in a side of described fixed pulley frame (5) and upwards holds up or crouch to opposite side is flat to be used for this fixed pulley frame (5) of promotion.
2. the luffing fixed pulley mechanism of elevator machinery according to claim 1, it is characterized in that, this luffing fixed pulley mechanism also comprises stay bearing plate (1), and this stay bearing plate (1) is connected in a side of described fixed pulley frame (5) to be used for supporting this fixed pulley frame (5) when upwards holding up at described fixed pulley frame (5).
3. the luffing fixed pulley mechanism of elevator machinery according to claim 2, is characterized in that, described stay bearing plate (1) is hinged or removably be fixedly connected on described fixed pulley frame (5) by fastener by bearing pin.
4. the luffing fixed pulley mechanism of elevator machinery according to claim 2, it is characterized in that, described fixed pulley frame (5) comprises the side plate (51) of the left and right sides, described stay bearing plate (1) is two and is connected on described side plate (51), and described gear rope skeleton (3) and fixed pulley group (4) are rotatably mounted between the top of described two side plates (51).
5. the luffing fixed pulley mechanism of elevator machinery according to claim 4, it is characterized in that, described cocked cylinder (2) is hydraulic ram, and this hydraulic ram is articulated in described fixed pulley frame (5) one sides by bearing pin, and is positioned between described two side plates (51).
6. elevator machinery, this elevator machinery comprises the luffing fixed pulley mechanism of platform (6) and the upper installation of this platform (6), mast (7) and jib (15), one end of this mast (7) is articulated on described platform (6), the other end is equipped with mast assembly pulley (71), be connected by arm-tie (9) between described mast (7) and jib (15), it is characterized in that, described luffing fixed pulley mechanism comprises cocked cylinder (2), gear rope skeleton (3), fixed pulley group (4) and fixed pulley frame (5), this fixed pulley frame (5) is positioned at the rear of described mast (7) and jib (15) and the bottom is hinged is installed on described platform (6), described gear rope skeleton (3) and fixed pulley group (4) are rotatably mounted on the top of described fixed pulley frame (5), be connected by variable-amplitude steel wire rope between this fixed pulley group (4) and described mast assembly pulley (71), one end of described cocked cylinder (2) is articulated on described platform (6), the other end is articulated in the rear side of described fixed pulley frame (5) and upwards holds up or put down forward sleeping to promote this fixed pulley frame (5).
7. elevator machinery according to claim 6, it is characterized in that, be formed with the accommodation space that can hold described luffing fixed pulley mechanism on described platform (6), to promote described fixed pulley frame (5) flat when sleeping forward when described cocked cylinder (2), and described luffing fixed pulley mechanism is contained in described accommodation space.
8. elevator machinery according to claim 7, it is characterized in that, described platform (6) is provided with platform tank tower (8), this platform tank tower (8) comprises side frames (81), this side frames is formed with described accommodation space between (81), described mast (7) is articulated in the front end of described platform tank tower (8), described fixed pulley frame (5) comprises the side plate (51) of the left and right sides, this biside plate (51) is articulated in respectively the inboard of described side frames (81), and described cocked cylinder (2) is articulated in the rear end of described platform tank tower (8).
9. elevator machinery according to claim 8, it is characterized in that, on described platform tank tower (8), the make progress height of described fixed pulley group (4) when vertical of described fixed pulley frame (5) satisfies any mounting structure and steel rope space between described fixed pulley frame (5) and described mast (7).
10. elevator machinery according to claim 8, it is characterized in that, this luffing fixed pulley mechanism also comprises two stay bearing plates (1), when described cocked cylinder (2) promotes described fixed pulley frame (5) when upwards holding up, one end of described two stay bearing plates (1) is connected on the side frames (81) of described platform tank tower (8), and the other end connects respectively and support the side plate (51) of described fixed pulley frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677153 CN202936122U (en) | 2012-12-10 | 2012-12-10 | Variable amplitude fixed pulley mechanism and hoisting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220677153 CN202936122U (en) | 2012-12-10 | 2012-12-10 | Variable amplitude fixed pulley mechanism and hoisting machinery |
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| Publication Number | Publication Date |
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| CN202936122U true CN202936122U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220677153 Expired - Lifetime CN202936122U (en) | 2012-12-10 | 2012-12-10 | Variable amplitude fixed pulley mechanism and hoisting machinery |
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| CN (1) | CN202936122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495652A (en) * | 2014-12-19 | 2015-04-08 | 浙江三一装备有限公司 | Crawler crane |
| WO2017109309A1 (en) * | 2015-12-23 | 2017-06-29 | Manitowoc Crane Group France | Raising unit, crane with raisable jib comprising such a raising unit, and method for assembling such a crane |
| CN107915157A (en) * | 2017-12-14 | 2018-04-17 | 广东省建筑机械厂有限公司 | A kind of floor mast |
-
2012
- 2012-12-10 CN CN 201220677153 patent/CN202936122U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495652A (en) * | 2014-12-19 | 2015-04-08 | 浙江三一装备有限公司 | Crawler crane |
| WO2017109309A1 (en) * | 2015-12-23 | 2017-06-29 | Manitowoc Crane Group France | Raising unit, crane with raisable jib comprising such a raising unit, and method for assembling such a crane |
| FR3046152A1 (en) * | 2015-12-23 | 2017-06-30 | Manitowoc Crane Group France | LIFTING UNIT, RECEIVABLE CRANE CRANE COMPRISING SUCH A LIFTING UNIT AND METHOD FOR ASSEMBLING SUCH CRANE |
| KR20180097584A (en) * | 2015-12-23 | 2018-08-31 | 매니토웍 크레인 그룹 프랑스 | A lifting unit, an elevating and lowering jib crane including such a lifting unit, and a method for assembling such a crane |
| US10752474B2 (en) | 2015-12-23 | 2020-08-25 | Manitowoc Crane Group France | Lifting unit, luffing jib crane comprising such a lifting unit and method for assembling such a crane |
| AU2016378835B2 (en) * | 2015-12-23 | 2021-08-26 | Manitowoc Crane Group France | Raising unit, crane with raisable jib comprising such a raising unit, and method for assembling such a crane |
| KR102641160B1 (en) | 2015-12-23 | 2024-02-26 | 매니토웍 크레인 그룹 프랑스 에스에이에스 | Lifting units, lifting and lowering jib cranes including such lifting units, and methods for assembling such cranes |
| CN107915157A (en) * | 2017-12-14 | 2018-04-17 | 广东省建筑机械厂有限公司 | A kind of floor mast |
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Granted publication date: 20130515 |