CN103342300B - Tower crane, as well as lead-in system and standard knot lead-in method thereof - Google Patents
Tower crane, as well as lead-in system and standard knot lead-in method thereof Download PDFInfo
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- CN103342300B CN103342300B CN201310305542.5A CN201310305542A CN103342300B CN 103342300 B CN103342300 B CN 103342300B CN 201310305542 A CN201310305542 A CN 201310305542A CN 103342300 B CN103342300 B CN 103342300B
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Abstract
The invention provides a tower crane, as well as a lead-in system and a standard knot lead-in method thereof. The lead-in system comprises a lead-in trolley and a lead-in crossbeam. The lead-in trolley comprises a frame, a bearing roller and a hoisting part, wherein the bearing roller is connected with the frame and downwards protruded out of the lower surface of the frame; the bearing roller rotates around a horizontal axis and is loaded on the upper surface of the lead-in crossbeam; the hoisting part is connected with the frame. According to the invention, the links and times of hooking and unhooking operations are reduced, the difficulty of operation is reduced, and the operating efficiency is improved; auxiliary work on hooking and unhooking operations by workers at the far end of the lead-in crossbeam is not needed, so that the labor intensity of the workers is reduced, the safety of work is improved, and automatic hooking and unhooking can be achieved, thereby improving the lead-in efficiency.
Description
Technical field
The present invention relates to crane field, more specifically, relate to a kind of tower crane and introduction system, standard knot introduction method.
Background technology
Fig. 1 shows the structural representation of introduction system of the prior art.As shown in Figure 1, introduction system of the prior art comprises load hook 100, introduces and assist suspension hook 130, raising legs 120, introduction dolly 70, introduction crossbeam 80, introduction auxiliary mechanism 140 and hoist cable 110 etc.During introduction, standard knot 90 to be introduced utilizes hoist cable 110 to hang over the below of raising legs 120.
Fig. 2 to Fig. 5 shows tower power traction when entering, and standard knot lifting is to the process schematic introduced on crossbeam.First, be parked in introducing dolly 70 distalmost end introducing crossbeam 80.As shown in Figure 2, raising legs 120 and standard knot (not shown) hoist cable 110 to be introduced are coupled together, then put down load hook 100 and auxiliary for introduction suspension hook 130 is installed on load hook 100, slowly mobile introduction assists suspension hook 130 again, make it tangle auxiliary hanging hook point 121 on raising legs 120, slowly mention raising legs 120 and standard knot.Then, raising legs of slinging, slowly promotes the raising legs hanging point made on a little higher than introduction dolly 70 of its hangers, then transverse shifting raising legs, is slowly hung over by the hangers 122 of raising legs 120 and introduces on the corresponding hanging point 71 of dolly 70.Fig. 3 and Fig. 4 shows raising legs 120 and has hung on introduction dolly 70, but the state introduced before auxiliary suspension hook 130 does not break off relations, wherein, load hook 100 connects to introduce assists suspension hook 130 to hook raising legs 120, the hangers 122 of raising legs 120 hangs over the position of introducing the corresponding hanging point 71 of dolly 70, and introduces dolly 70 and rely on its roller to embrace to introduce crossbeam 80(I-beam section) track.Then, as shown in Figure 5, reduce a little and introduce auxiliary suspension hook 130 and make it deviate from from the auxiliary hanging hook point 121 of raising legs 120, then transverse shifting to the right, make introduction assist suspension hook 130 to separate completely with raising legs 120.Then, introduction auxiliary mechanism 140 is utilized will to introduce dolly 70 along introducing the rail moving of crossbeam 80 to correct position.
During dismounting standard knot, process is contrary with introducing standard knot.First, by the raising legs of sky, (standard knot is pulled down, its connection hoist cable) be placed on and introduce on dolly, directly over mobile introduction dolly to tower body, the standard knot that need dismantle is connected on hoist cable, dolly is introduced again along track is outwards mobile, make introduction dolly that the entirety of raising legs and standard knot is loaded onto introduction crossbeam distalmost end, then slowly reduce and introduce auxiliary suspension hook, it is made to tangle auxiliary hanging hook point on raising legs, guarantee that hanging steady slowly rise more afterwards introduces auxiliary suspension hook, makes raising legs mention from introducing dolly.Due to the restriction of size between each parts, the hangers that makes raising legs can only be mentioned a little to just from the state that the raising legs hanging point introduced dolly breaks off relations, just must laterally move right, separate with introduction dolly to make raising legs, and then put down raising legs and standard knot, complete the dismounting of a joint standard knot.
Fig. 6 shows the schematic cross-section introduced when dolly moves on the track introducing crossbeam.As shown in Figure 6, because the track 81 introducing crossbeam mostly is I-beam section etc., therefore, the roller 72 introducing dolly 70 is generally cone, and what roller 72 was subject to makes a concerted effort for F
close, the axis of its direction out of plumb roller 72, and in an acute angle with the axis of roller 72.Wherein, F
closecan be analyzed to vertical component F
gwith the component F of level
h.
Introduction system of the prior art, particularly introduce dolly and there is following shortcoming:
(1) introduction system complex structure of the prior art, parts are more, and fit dimension permissible error between each parts is less, causes productive costs higher.
(2) introduction system of the prior art is by the restriction of tower machine top lifting height, and each element size must control within the specific limits.Raising legs and introduction dolly, introduces to assist between suspension hook and be connected by hangers, will hook repeatedly and unhook during use.Due to hangers and hanging point size all less, hook and break off relations operation very difficult, cannot automatically complete and need people with hand steered live operation.And introduce crossbeam all cantilever choose, distalmost end is general without platform, and also without arm rest, it is abnormally dangerous when operating that people goes over distalmost end, also increases the labour intensity of workman.Inherently there is very large potential safety hazard in the structure of this multistage use hangers simultaneously.Due to cannot automatic hitch and unhook, also have a strong impact on the introduction efficiency of tower machine.
(3) roller of introduction dolly of the prior art is conical, fixes with bolt etc., and fabrication and installation bother; When carrying identical standard joint, the shaft strength of roller and inside is bad.As shown in Figure 6, F
closeobviously to be greater than the vertical component F of roller carrying
g, and F
closelarger, roller 72 is also larger with the friction force in rail contact face, and the introduction tractive force that need provide during mobile introduction dolly is also larger, adds labour intensity.In addition, the roller shaft of roller need bear a Moment, and F that roller is made a concerted effort
closebe not orthogonal to roller shaft, make roller shaft stressed more complicated.
(4) require that the operative technique of tower crane is very consummate, the position of load hook can be controlled more accurately.
Summary of the invention
The present invention aims to provide the tower crane and introduction system, standard knot introduction method that a kind of structure is simple, cost is low, easy to operate, introduction efficiency is high, tractive force is little.
For solving the problems of the technologies described above, according to a first aspect of the invention, providing the introduction system of kind of tower crane, comprising and introduce dolly and introduce crossbeam, introduce dolly and comprise: framework; Carrying roller, carrying roller is connected with framework, and protrudes from the lower surface of framework downwards, and carrying roller is around horizontal axis, and carrying roller is carried on the upper surface of introduction crossbeam; Lifting parts, lifting parts is connected with framework.
Further, introduce crossbeam and comprise two tracks be arranged in parallel, the upper surface of track is horizontally disposed with, and carrying roller is carried on the upper surface of track; Introduce dolly and also comprise guide roller, guide roller to be arranged on framework and can to rotate around vertical axis, and guide roller attaches the side of track.
Further, introduce dolly and also comprise the guide plate vertically arranged, guide plate is connected with framework.
Further, guide plate comprises the spigot surface of inclination.
Further, framework comprises the first parallel frame and the second frame, and the first frame and the second frame are respectively arranged with multiple carrying roller.
Further, introduce dolly and also comprise guide roller, the first frame and the second frame are also respectively arranged with relatively multiple guide roller.
Further, framework also comprises the 3rd parallel frame and the 4th frame, and the first frame is connected with the 4th frame by the 3rd frame with the second frame, and lifting parts is connected with the 3rd frame and the 4th frame.
Further, introduce dolly and also comprise hoist cable connecting portion, the 3rd frame and the 4th frame are provided with two hoist cable connecting portions respectively symmetrically.
According to a second aspect of the invention, provide a kind of tower crane, comprise introduction system, this introduction system is above-mentioned introduction system.
According to a third aspect of the present invention, provide a kind of standard knot introduction method of tower crane, above-mentioned introduction system is provided; There is provided the introduction crossbeam with the track that two be arranged in parallel, wherein, the upper surface of track is horizontally disposed with; It is characterized in that, standard knot introduction method comprises: be connected with the framework introducing dolly by standard knot to be introduced; The load hook of tower crane is utilized to hook the lifting parts introducing dolly, introduction dolly and standard knot to be introduced are promoted to together the top of introducing crossbeam, and introduction dolly and standard knot to be introduced are put into the gap between two tracks from top to bottom, be carried on the upper surface of track to make the carrying roller of introduction dolly.
Further, be stuck in introducing the guide roller of dolly between two tracks, and with the vertical side slip of two tracks contact.
Further, transferring in the process introducing dolly and standard knot to be introduced, utilizing the guide plate installed straight down introducing dolly, guide roller being imported between two tracks.
In the process used, only need to pay close attention to the hook between load hook and introduction dolly and unhook, picture is not needed to need in the prior art to pay close attention to the hook between load hook, the auxiliary suspension hook of introduction, introduction dolly, raising legs and unhook, avoid the structure using multistage hangers, therefore, reduce hook and the break off relations link and number of times that operate, reduce the difficulty of operation, improve the efficiency of operation; Also the far-end not needing workman to remove to introduce crossbeam operates hook and unhook and carries out complementary work, reduces the labour intensity of workman, improves the safety of work, can realize automatic hitch and unhook, improve introduction efficiency.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the structural representation of introduction system of the prior art;
Fig. 2 diagrammatically illustrates introducing process figure mono-of the prior art;
Fig. 3 diagrammatically illustrates introducing process figure bis-of the prior art;
Fig. 4 diagrammatically illustrates the A-A direction view of Fig. 3;
Fig. 5 diagrammatically illustrates introducing process figure tri-of the prior art;
Fig. 6 diagrammatically illustrates the connection diagram of the track of introduction dolly of the prior art and introduction crossbeam;
Fig. 7 diagrammatically illustrates the structural representation of the introduction system in the present invention;
Fig. 8 diagrammatically illustrates the birds-eye view of Fig. 7;
Fig. 9 diagrammatically illustrates the upward view introducing dolly;
Figure 10 diagrammatically illustrates the B-B cutaway view of Fig. 8;
Figure 11 diagrammatically illustrates the C-C cutaway view of Fig. 8;
Figure 12 diagrammatically illustrates the stressed schematic diagram of the carrying roller of the introduction dolly in the present invention;
The introduction dolly that Figure 13 diagrammatically illustrates in the present invention promotes standard knot schematic diagram in place; And
Figure 14 diagrammatically illustrates the P direction view of Figure 13.
Reference numeral in figure: 10, framework; 11, the first frame; 12, the second frame; 13, the 3rd frame; 14, the 4th frame; 20, roller is carried; 30, lifting parts; 40, guide roller; 50, guide plate; 60, hoist cable connecting portion; 70, dolly is introduced; 71, hanging point; 72, roller; 80, crossbeam is introduced; 81, track; 82, limiting section; 90, standard knot; 100, load hook; 110, hoist cable; 120, raising legs; 121, auxiliary hanging hook point; 122, hangers; 130, auxiliary suspension hook; 140, auxiliary mechanism is introduced.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As a first aspect of the present invention, as shown in Fig. 7 to Figure 12, provide a kind of introduction system of tower crane, comprise and introduce dolly 70 and introduce crossbeam 80.This introduction dolly 70 comprises: framework 10; Carrying roller 20, carrying roller 20 is connected with framework 10, and protrudes from the lower surface of framework 10 downwards, and carrying roller 20 is around horizontal axis, and carrying roller 20 is carried on the upper surface of introduction crossbeam 80; Lifting parts 30, lifting parts 30 is connected with framework 10.
Please refer to Figure 12, the carrying roller 20 of the introduction dolly 70 in the present invention is cylindrical, and can around horizontal axis, therefore, when this introduction dolly 70 being placed on introduction crossbeam 80, the outside face of carrying roller 20 is by the upper surface flat contact with introduction crossbeam 80, thus carrying roller 20 is subject to power straight up as shown in figure 12.Therefore, standard knot to be introduced can be directly connected to the below of introducing dolly 70, then after introduction dolly 70 and connected standard knot being sling together by the load hook 100 of tower crane, lentamente by the top of introduction crossbeam 80 introduction dolly 70 placed downwards and finally made carrying roller 20 be carried on the upper surface of introduction crossbeam 80, thus introduction dolly 70 being mounted on introduction crossbeam 80.
Visible, the introduction dolly 70 in the present invention, in the process introduced, does not need to use raising legs of the prior art, introduces auxiliary suspension hook etc., thus decreases the quality of fit requirement between the parts of introduction system and each Components, the cost greatly reduced.Further, it also avoid the structure using multistage hangers, like this, in the process used, operating personal only needs to pay close attention to the hook between load hook 100 and introduction dolly 70 and unhook, does not need picture to need in the prior art to pay close attention to the hook between load hook 100, the auxiliary suspension hook of introduction, introduction dolly, raising legs and unhook, thus reduces hook and the break off relations link and number of times that operate, reduce the difficulty of operation, improve the efficiency of operation; Also the far-end not needing workman to remove to introduce crossbeam operates hook and unhook and carries out complementary work, reduces the labour intensity of workman, improves the safety of work, can realize automatic hitch and unhook, improve introduction efficiency.In a word, load hook 100 can be used directly to be hung by the introduction dolly 70 in the present invention and to introduce crossbeam 80 and be used for lifting standard knot 90, eliminate raising legs and introduce auxiliary suspension hook etc., operating also more simple and convenient.
In addition, please refer to Figure 12, the carrying roller 20 of the introduction dolly 70 in the present invention is subject to power straight up, therefore, its carrying roller 20 does not need the effect born, roller shaft simply stressed, reduces the friction force between carrying roller 20 and the track 81 introducing crossbeam 80, therefore, the introduction tractive force that need provide when reducing mobile introduction dolly and labour intensity.
Preferably, as shown in Fig. 8 to Figure 12, introduce dolly and also comprise guide roller 40, guide roller 40 to be arranged on framework 10 and can to rotate around vertical axis.Especially, guide roller 40 can be positioned at inner side or the outside of track 81, thus is stuck in by introduction dolly 70 on introduction crossbeam 80.Guide roller 40 provides guide-localization for introducing dolly 70, and introduction dolly 70 is moved along the direction of introducing crossbeam 80 defined, can avoid introducing dolly 70 and depart from predetermined moving line.Obviously, guide roller 40 is not introduce the necessary parts of dolly 70, such as, carrying roller 20 can be designed to the form with guide groove, when introducing, track 81 snaps in the guide groove of carrying roller 20, thus plays the effect of guiding, departs from predetermined moving line to prevent introducing dolly 70.In the enforceable mode of another kind, track 81 can be arranged to the groove type (such as, the channel-section steel etc. of opening upwards) with horizontal bottom, now, carrying roller 20 is positioned at the groove of track 81, can not depart from predetermined moving line.Certainly, also can adopt other version, depart from predetermined moving line to prevent introducing dolly.Especially, guide roller 40 can be used for locating introduction dolly 70, and introduction dolly 70 is between two tracks 81 of introduction crossbeam 80, and the stressed of guide roller 40 is horizontal direction.Therefore, carrying roller 20 and guide roller 40 stressed all perpendicular to its respective roller shaft, the roller of the two is cylindric.
Preferably, introduce dolly and also comprise the guide plate 50 vertically arranged, especially, guide plate 50 is connected with framework 10, and guide plate 50 is arranged on the position corresponding with guide roller 40 vertically forms guiding to guide roller 40.Preferably, guide plate 50 comprises the spigot surface of inclination, and such as, the direction of spigot surface is arranged towards the direction of the track introducing crossbeam 80.Utilize guide plate 50 or the spigot surface on it, can place in the process introducing dolly 70 downwards, carrying roller 20 and/or guide roller 40 is made to be positioned at preposition, such as, carrying roller 20 is made to drop on track 81 exactly, and/or the position making guide roller 40 enter into exactly to contact with the vertical side of track 81 (such as, can between two tracks 81, also the outside of two tracks 81 can be stuck in), prevent in decline process, because the problem of alignment causes guide roller 40 to damage.
In a preferred embodiment, framework 10 comprises on the first parallel frame 11 and the second frame 12, first frame 11 and the second frame 12 and is respectively arranged with multiple carrying roller 20.In another preferred embodiment, introduce dolly and also comprise guide roller 40, the first frame 11 and the second frame 12 are also respectively arranged with relatively multiple guide roller 40.
Preferably, framework 10 also comprises the 3rd parallel frame 13 and the 4th frame 14, first frame 11 is connected with the 4th frame 14 by the 3rd frame 13 with the second frame 12, and lifting parts 30 is connected with the 3rd frame 13 and the 4th frame 14.When needs promote introduction dolly 70, load hook 100 moves downward, and hooks lifting parts 30, so just can promote or step-down operation introduction dolly 70.
Preferably, introduce dolly also to comprise on hoist cable connecting portion the 60, three frame 13 and the 4th frame 14 two hoist cable connecting portions 60 are installed respectively symmetrically.Standard knot 90 to be introduced is connected with hoist cable connecting portion 60 by hoist cable 110, thus introduction dolly 70 up-and-down movement together of can going along with an army.Like this, do not need by raising legs of the prior art, introduce auxiliary suspension hook etc., reduce the parts of introduction system, the cost greatly reduced.Further, in the process used, only need to pay close attention to the hook between load hook 100 and introduction dolly 70 and unhook, picture is not needed to need in the prior art to pay close attention to the hook between load hook 100, the auxiliary suspension hook of introduction, introduction dolly, raising legs and unhook, avoid the structure using multistage hangers, therefore, reduce hook and the break off relations link and number of times that operate, reduce the difficulty of operation, improve the efficiency of operation; Also the far-end not needing workman to remove to introduce crossbeam operates hook and unhook and carries out complementary work, reduces the labour intensity of workman, improves the safety of work, can realize automatic hitch and unhook, improve introduction efficiency.
Visible, the introduction dolly 70 in the present invention along introduction crossbeam 80 parallel motion, can shift out from introduction crossbeam 80 simultaneously, also can put into introduction beam track.Standard knot 90 is directly fixed on hoist cable 110 to be introduced on dolly 70, without the need to other transition apparatus (as raising legs etc.).Load hook 100 can directly tangle introduces dolly 70, without the need to other auxiliary devices (as introduced auxiliary suspension hook etc.), also hanging without the need to manually helping or breaking off relations.
Preferably, introduce crossbeam 80 and comprise two tracks be arranged in parallel 81, the upper surface of track 81 is horizontally disposed with, and carrying roller 20 is carried on the upper surface of track 81.
Preferably, the rear and front end of introducing crossbeam 80 is also provided with limiting section 82, to limit the range of movement introducing dolly 70.
Preferably, track 81 can be channel-section steel, during introduction, using the upper side wing of channel-section steel as the bearing track plane introducing dolly 70, using the web of channel-section steel as guiding and the plane of orientation of introducing dolly 70.
Introduction dolly 70 in the present invention can depart from the track 81 introducing crossbeam 80, and standard knot 90 of directly slinging, and available load hook 100 directly lifts by crane, therefore, make the introduction system in the present invention without the need to raising legs, introduce the parts such as auxiliary suspension hook, introduction system structure simplifies greatly, and cost also declines to a great extent.In addition, introduction dolly 70 structure in the present invention is simple, and in introduction system, between each part, size, without particular/special requirement, is produced and is easy to make.
As a second aspect of the present invention, provide a kind of tower crane, comprise introduction system, this introduction system is above-mentioned introduction system.
As a third aspect of the present invention, please refer to Figure 13 and Figure 14, provide a kind of standard knot introduction method of tower crane, above-mentioned introduction dolly is provided; There is provided the introduction crossbeam 80 with two tracks be arranged in parallel 81, wherein, the upper surface of track 81 is horizontally disposed with.This introduction method comprises: be connected with the framework 10 introducing dolly by standard knot 90 to be introduced; The load hook 100 of tower crane is utilized to hook the lifting parts 30 introducing dolly 70, introduction dolly 70 and standard knot 90 to be introduced are promoted to together the top of introducing crossbeam 80, and introduction dolly 70 and standard knot 90 to be introduced are put into the gap between two tracks 81 from top to bottom, be carried on the upper surface of track 81 to make the carrying roller 20 of introduction dolly 70.
Preferably, be stuck in introducing the guide roller 40 of dolly between two tracks 81, and with the vertical side slip of two tracks 81 contact.
Preferably, transferring in the process introducing dolly 70 and standard knot 90 to be introduced, utilizing the guide plate 50 installed straight down introducing dolly, guide roller 40 being imported between two tracks 81.
Below, the introducing process in the present invention is described in detail.
During introduction, first standard knot 90 to be introduced is connected with hoist cable 110, and the other end of hoist cable 110 is connected on the hoist cable connecting portion 60 of introduction dolly 70.Slowly fall load hook 100, and directly tangle the lifting parts 30 introduced on dolly 70 with load hook 100, then slowly rise load hook 100, the entirety introducing dolly 70 and standard knot 90 is mentioned near introduction crossbeam 80.
As shown in Figure 13 and Figure 14, slowly introduction dolly 70 is moved to directly over the front end of introducing crossbeam 80, more slowly decline.Introducing dolly 70 in time introducing upper surface (plane) of crossbeam 80, utilizing guide plate 50 to lead to introduction dolly 70, its guide roller 40 can be fallen between two tracks 81 of introduction crossbeam 80 smoothly.Wait that introducing dolly 70 continues to decline, and after carrying roller 20 drops on the upper surface introducing crossbeam 80 completely, then continue to reduce load hook 100, until itself and introduce dolly 70 lifting parts 30 separately after, parallel motion load hook 100 again, makes it separate completely with introduction dolly 70.Such introduction dolly 70 just falls on the track 81 of introduction crossbeam 80, and then relies on introduction auxiliary mechanism (not shown) to be introduced along introduction crossbeam 80 by introduction dolly 70.
The unloading process of standard knot is contrary with the introducing process of standard knot.First, couple together introducing dolly 70 with standard knot 90 hoist cable 110 that need dismantle, and move to the distalmost end introducing crossbeam 80 together.Then load hook 100 is moved, make it be in the below of the lifting parts 30 introducing dolly 70, more slowly rise load hook 100, make it tangle lifting parts 30, again introduction dolly 70 mentioned and shift out, then the entirety introducing dolly 70 and standard knot 90 being put to ground.
Introduction dolly 70 in the present invention is by the guiding of guide plate 50, directly can put into and introduce between crossbeam 80, load hook 100 also directly can tangle the lifting parts 30 introducing dolly 70, also can be automatically-unhooked, without the need to manually buttressing, the potential safety hazard of personnel's operation in the past can be removed from.In addition, introduction also can be made to operate become very simple easily, without the need to raising legs and the action of hook, unhook etc. repeatedly of introducing between dolly, auxiliary suspension hook, greatly improve the integrally-built safety of introduction system, also can greatly improve introduction efficiency.
In addition, the carrying roller of the introduction dolly 70 in the present invention and the roller of guide roller are cylindrical, without particular/special requirement, process easy for installation; Carrying roller and guide roller can be fixed by direct bearing pin, and its stressed line of centers perpendicular to bearing pin is clearly stressed, roller, bearing and bearing pin better stressed, and roller runs more steadily, introduces more laborsaving.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an introduction system for tower crane, comprise and introduce dolly (70) and introduce crossbeam (80), it is characterized in that, described introduction dolly (70) comprising:
Framework (10);
Carrying roller (20), described carrying roller (20) is connected with described framework (10), and protrude from the lower surface of described framework (10) downwards, described carrying roller (20) is around horizontal axis, and described carrying roller (20) is carried on the upper surface of described introduction crossbeam (80);
Lifting parts (30), described lifting parts (30) is connected with described framework (10);
The guide plate (50) of vertical setting, described guide plate (50) is connected with described framework (10).
2. introduction system according to claim 1, it is characterized in that, described introduction crossbeam (80) comprises two tracks be arranged in parallel (81), the upper surface of described track (81) is horizontally disposed with, and described carrying roller (20) is carried on the upper surface of described track (81);
Described introduction dolly (70) also comprises guide roller (40), described guide roller (40) is arranged on described framework (10) and goes up and can rotate around vertical axis, and described guide roller (40) attaches the side of described track (81).
3. introduction system according to claim 1, is characterized in that, described guide plate (50) comprises the spigot surface be obliquely installed.
4. introduction system according to claim 1, it is characterized in that, described framework (10) comprises parallel the first frame (11) and the second frame (12), and described first frame (11) and described second frame (12) are respectively arranged with multiple described carrying roller (20).
5. introduction system according to claim 4, it is characterized in that, described introduction dolly (70) also comprises guide roller (40), described first frame (11) with described second frame (12) is also respectively arranged with the relative multiple described guide roller (40) in position.
6. introduction system according to claim 4, it is characterized in that, described framework (10) also comprises the 3rd parallel frame (13) and the 4th frame (14), described first frame (11) is connected with described 4th frame (14) by described 3rd frame (13) with described second frame (12), and described lifting parts (30) is connected with described 3rd frame (13) and described 4th frame (14).
7. introduction system according to claim 6, it is characterized in that, described introduction dolly (70) also comprises hoist cable connecting portion (60), and described 3rd frame (13) and described 4th frame (14) are provided with two described hoist cable connecting portions (60) respectively symmetrically.
8. a tower crane, comprises introduction system, it is characterized in that, described introduction system is the introduction system according to any one of claim 1 to 7.
9. a standard knot introduction method for tower crane, provides introduction system according to claim 1; There is provided the introduction crossbeam (80) with two tracks be arranged in parallel (81), wherein, the upper surface of described track (81) is horizontally disposed with; It is characterized in that, described standard knot introduction method comprises:
Standard knot (90) the to be introduced framework (10) with described introduction dolly (70) is connected;
The load hook of described tower crane (100) is utilized to hook the lifting parts (30) of described introduction dolly (70)), by described introduction dolly (70) and described in standard knot (90) to be introduced be promoted to the top of described introduction crossbeam (80) together, and by described introduction dolly (70) and described in standard knot (90) to be introduced put into gap between described two tracks (81) from top to bottom, be carried on the upper surface of described track (81) to make the carrying roller (20) of described introduction dolly (70).
10. standard knot introduction method according to claim 9, it is characterized in that, the guide roller (40) of described introduction dolly (70) is stuck between described two tracks (81), and with the vertical side slip of described two tracks (81) contact.
11. standard knot introduction methods according to claim 10, it is characterized in that, transfer described introduction dolly (70) and described in standard knot (90) to be introduced process in, utilize the guide plate (50) installed straight down of described introduction dolly (70), described guide roller (40) is imported between described two tracks (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305542.5A CN103342300B (en) | 2013-07-19 | 2013-07-19 | Tower crane, as well as lead-in system and standard knot lead-in method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305542.5A CN103342300B (en) | 2013-07-19 | 2013-07-19 | Tower crane, as well as lead-in system and standard knot lead-in method thereof |
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| Publication Number | Publication Date |
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| CN103342300A CN103342300A (en) | 2013-10-09 |
| CN103342300B true CN103342300B (en) | 2015-04-01 |
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| CN105800480B (en) * | 2016-04-19 | 2017-12-22 | 山东丰汇设备技术有限公司 | A kind of tower crane jacking retraction mechanism and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4326673A1 (en) * | 1993-08-09 | 1997-06-12 | Gae Mbh & Co | Lift and transport device for heavy loads |
| CN201678383U (en) * | 2010-05-06 | 2010-12-22 | 中国建筑第二工程局有限公司 | Tower crane standard joint leading-in device |
| CN102328883B (en) * | 2011-07-27 | 2013-03-27 | 中联重科股份有限公司 | Telescopic importing system and crane with same |
| CN202508791U (en) * | 2012-03-15 | 2012-10-31 | 沈阳三洋建筑机械有限公司 | Novel tower section lead-in device |
| CN103171980B (en) * | 2013-04-03 | 2015-07-15 | 中联重科股份有限公司 | Tower crane and launching beam and launching system thereof |
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