CN103030075A - Steel wire rope component and tower crane containing same - Google Patents
Steel wire rope component and tower crane containing same Download PDFInfo
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- CN103030075A CN103030075A CN2012105588932A CN201210558893A CN103030075A CN 103030075 A CN103030075 A CN 103030075A CN 2012105588932 A CN2012105588932 A CN 2012105588932A CN 201210558893 A CN201210558893 A CN 201210558893A CN 103030075 A CN103030075 A CN 103030075A
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Abstract
The invention provides a steel wire rope component and a tower crane containing the same. The steel wire rope component comprises multiple sections of steel wire ropes, which can be combined and sequentially connected, and a rope length switching device (30), wherein connecting structures are arranged at the two ends of the steel wire ropes, and a winding part for enabling the steel wire rope to wind is arranged at at least one end of the rope length switching device (30). The steel wire rope component disclosed by the invention has the advantages of simple structure, convenience in mounting and use, capability of realizing the combination of multiple lengths with the fewer steel wire ropes and lower cost.
Description
Technical field
The present invention relates to the weight-lifting equipment field, in particular to a kind of steel rope assembly and comprise the tower crane of this steel rope assembly.
Background technology
Present domestic movable arm tower crane is in the installation of crane arm, with respect to dissimilar tower machines, employed installation construction of wire rope mainly contains two kinds, a kind of is the steel rope that different length is provided for different brachiums, take certain tower machine with seven kinds of different brachiums as example, the user need to buy seven sections steel ropes, and when mounted, install the position of using respectively the steel rope of different length to be connected to appointment.
Another kind of mode is, the connecting steel wire ropes of the shorter length of design multistage, for the installation of different brachiums, some section assembly unit of getting is respectively wherein installed, take certain installing rope of movable arm tower crane with seven kinds of brachiums as example, five sections steel ropes are provided, and need four connecting panels, when the installation of different brachiums, the hop count of regulation connects by connecting panel when choosing design, in the installation that is applied to different brachiums
When adopting first kind of way to satisfy the installation of different brachiums, so that the steel wire installing rope of seven kinds of different lengths to be provided, will directly cause user's high cost, and cause the wasting of resources, there are six sections steel ropes idle, and adopt the second way to install, because the connecting panel quality is larger, inconvenient in the installation and use process, and five sections steel ropes are because difference in length is not obvious, easy setup error in use, simultaneously, because connector is too much, also will cause whole high cost.
Summary of the invention
The present invention aims to provide a kind of steel rope assembly and comprises the tower crane of this steel rope assembly, and is simple in structure, easy to install, can realize with less steel rope the combination of different lengths, and cost is lower.
To achieve these goals, according to an aspect of the present invention, a kind of steel rope assembly is provided, comprise the multistage steel rope that connects according to the order of sequence capable of being combined and the long shifter of rope, the steel rope two ends all have connection structure, and at least one end of the long shifter of rope has for steel rope winding winding section thereon.
Further, steel rope comprises the rope body and is fixedly connected on the fag end at rope body two ends, and fag end removably is connected between the long shifter with restricting.
Further, the long shifter of restricting also comprises connector and is fixedly connected on pulley yoke on the connector, and winding section comprises the rotating shaft that is arranged on rotationally on the pulley yoke, steel rope selectively winding in rotating shaft.
Further, winding section also comprises the pulley that is set in the rotating shaft, steel rope selectively winding on pulley.
Further, the steel rope assembly also comprises attaching parts, and steel rope comprises the first steel rope and the second steel rope, and the first end of the first steel rope is connected to the first end of attaching parts, the second steel rope winding is on pulley, and the two ends of the second steel rope all are connected to the second end of attaching parts.
Further, steel rope also comprises the 3rd steel rope, and the first end of the 3rd steel rope is connected on the connector of the long shifter of rope.
Further, the steel rope assembly also comprises attaching parts, steel rope comprises the first steel rope and the second steel rope, the long shifter of restricting comprises the first long shifter of rope and the long shifter of the second rope, the first steel rope winding is on the pulley of the long shifter of the first rope, the second steel rope winding is on the pulley of the long shifter of the second rope, and two fag ends of the first steel rope are connected to the first end of attaching parts, and two fag ends of the second steel rope are connected to the second end of attaching parts.
Further, steel rope comprises the first steel rope and the second steel rope, the long shifter of restricting comprises the first long shifter of rope and the long shifter of the second rope, the first steel rope winding is on the pulley of the long shifter of the first rope, the second steel rope winding is on the pulley of the long shifter of the second rope, and two fag ends of the first steel rope and two fag ends of the second steel rope connect one to one.
According to a further aspect in the invention, provide a kind of tower crane, comprised elevator boom rack and be connected to steel rope assembly on the elevator boom rack, it is characterized in that, the steel rope assembly is each steel rope assembly in the claim 1 to 8.
Further, tower crane is movable arm tower crane, and the steel rope assembly is the installing rope assembly.
Use technical scheme of the present invention, the steel rope assembly comprises multistage steel rope and the length shifter of selectively combining, after determining needed rope capacity, can select the steel rope of suitable quantity, then it is connected with the length shifter, thereby be combined into the steel rope of different length, satisfy and use needs.Because the length shifter can change the length of one section steel rope, therefore, can utilize by the combination of length shifter and steel rope the steel rope of lesser amt to be combined into the steel rope of multiple different length, because steel rope quantity can be less, therefore the structure of steel rope assembly is simpler, install and use conveniently, cost is lower, and practicality is stronger.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the according to an embodiment of the invention construction of wire rope scheme drawing of steel rope assembly;
Fig. 2 shows the according to an embodiment of the invention structural representation of the attaching parts of steel rope assembly;
Fig. 3 shows and partly cuts open structural representation according to the attaching parts of the embodiment of Fig. 2;
Fig. 4 shows according to an embodiment of the invention the first local sectional structure scheme drawing of the length shifter of steel rope assembly;
Fig. 5 shows according to an embodiment of the invention the second local sectional structure scheme drawing of the length shifter of steel rope assembly;
Fig. 6 shows according to an embodiment of the invention the first unitized construction scheme drawing of steel rope assembly;
Fig. 7 has used the according to an embodiment of the invention steel rope of steel rope assembly and the connection structure scheme drawing of attaching parts;
Fig. 8 shows according to an embodiment of the invention the second unitized construction scheme drawing of steel rope assembly;
Fig. 9 shows the lateral plan according to the steel rope assembly of the embodiment of Fig. 8; And
Figure 10 shows the according to an embodiment of the invention structural representation of tower crane.
The specific embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Extremely shown in Figure 5 such as Fig. 1, according to embodiments of the invention, the steel rope assembly comprises the multistage steel rope that connects according to the order of sequence capable of being combined, attaching parts 20 and the long shifter 30 of rope, the two ends of steel rope and attaching parts 20 all have connection structure, and at least one end of the long shifter 30 of restricting has for steel rope winding winding section thereon.Steel rope is regulated connecting length by the long shifter 30 of rope, selectively is connected between multistage steel rope, attaching parts 20 and the long shifter 30 of rope, and is removably connection.In use, can only steel rope and the long shifter 30 of rope be connected, also can only steel rope and attaching parts 20 be connected, the three can also be made up together.
Attaching parts 20 is shaft-like or platy structure, and the two ends of attaching parts 20 all have connection structure, is used for linking to each other with steel rope.In the present embodiment, attaching parts 20 is connecting panel, and the two ends of connecting panel include two otic placodes that are oppositely arranged 21, and equal correspondence is provided with the bearing pin connecting bore on two otic placodes 21 that are oppositely arranged, referring to Fig. 2 and shown in Figure 3.When winding section only was arranged on an end of the long shifter 30 of rope, then the other end of the long shifter 30 of rope was provided with connecting portion, and this connecting portion is used for being connected with steel rope or attaching parts 20.The long shifter 30 of restricting also can all arrange at two ends winding section, in order to can realize more kinds of rope capacity conversion with link still less.
Owing to selectively make up between multistage steel rope, attaching parts and the length shifter, therefore, after determining needed rope capacity, can select the steel rope of suitable quantity, then it is connected with attaching parts and/or length shifter, thereby be combined into the steel rope of different length, satisfy the use needs of tower crane.Because the length shifter can change the length of one section steel rope, therefore, can utilize by the combination of length shifter and steel rope the steel rope of lesser amt to be combined into the steel rope of multiple different length, because steel rope quantity can be less, therefore the structure of steel rope assembly is simpler, install and use conveniently, cost is lower, and practicality is stronger.
In conjunction with referring to shown in Figure 1, steel rope comprises rope body 11 and is fixedly connected on the fag end 12 at rope body 11 two ends, generally is fixed by cast or punching press between fag end 12 and the rope body 11, thereby forms permanent fixing.Fag end 12 at two ends is provided with bearing pin connecting bore 121, is used for matching with bearing pin connecting bore 121 on the attaching parts 20.Removably connect by being connected bearing pin between fag end 12 and the attaching parts 20.Also can realize removably connecting by other connection structures such as bolts between fag end 12 and the attaching parts 20.
In conjunction with referring to Fig. 4 and shown in Figure 5, in the present embodiment, the long shifter 30 of restricting also comprises connector 31 and is fixedly connected on pulley yoke 32 on the connector 31, and winding section comprises the rotating shaft that is arranged on rotationally on the pulley yoke 32, steel rope selectively winding in rotating shaft.Connector 31 is platy structure, and the head of this platy structure is circular arc.Be provided with the bearing pin connecting bore on the connector 31, can make between the long shifter 30 of rope and other structure and realize removably connecting by bearing pin.The mode that removably connects of restricting between long shifter 30 and other structure also can be for being spirally connected or hinged etc.
Pulley yoke 32 comprise two connection otic placodes that are oppositely arranged and be connected to two connect otic placodes between link span, pulley yoke 32 is fixedly connected on the connector 31 by link span, this captive joint mode is for example for welding or be spirally connected.Link span can be platy structure, also can be rod shaped structure.Two of pulley yoke 32 connect otic placode and are combined to form groove structure with link span, are provided with shaft hole on two connection otic placodes of groove both sides, and rotating shaft is arranged in this shaft hole.
Preferably, be arranged with pulley 33 in the rotating shaft, pulley 33 is set in the rotating shaft of pulley yoke 32 rotationally, and between two link spans.Steel rope selectively winding on pulley 33.The steel rope winding on pulley 33, can be made to be pivoting friction between steel rope and the pulley 33, therefore can greatly reduce the friction between steel rope and the pulley 33, reduce the wearing and tearing in the steel rope use procedure, improve the service life of steel rope.
In other embodiments, also can directly steel rope be arranged between the pulley yoke 32, and rotating shaft is not set.
In conjunction with referring to Fig. 6 and shown in Figure 7, in the first of steel rope assembly combination, steel rope comprises the first steel rope 13 and the second steel rope 14, and is connected to the connecting panel between the first steel rope 13 and the second steel rope 14.This moment, the length of steel rope assembly was the length sum of the first steel rope 13 and the second steel rope 14.The fag end 13 of the first end of the first steel rope 13 is arranged between two otic placodes 21 of connecting panel one end, then connects by connecting bearing pin.The fag end 14 of the second end of the second steel rope is arranged between two otic placodes 21 of the connecting panel other end, then connects by connecting bearing pin.
In conjunction with referring to Fig. 8 and shown in Figure 9, in the second combination of steel rope assembly, steel rope comprises the first steel rope 13 and the second steel rope 14, the first end of the first steel rope 13 is connected to the first end of attaching parts 20, rope body 11 windings of the second steel rope 14 on pulley 33 after, be connected to the second end of attaching parts 20 by the fag end 12 at the second steel rope 14 two ends.Two fag ends 12 of the second steel rope 14 all are arranged on the outside of connecting panel, and lay respectively at the both sides of the otic placode 21 of connecting panel, when the bearing pin connecting bore on two fag ends 12 with after bearing pin connecting bore on the otic placode 21 aligns, can insert the connection bearing pin, finish being connected of steel rope and attaching parts 20.This moment, the length of steel rope assembly was the length of the first steel rope 13 and the length sum after 14 windings of the second steel rope.At this moment, if also need the entire length of steel rope assembly is adjusted, can also add one the 3rd steel rope, the first end of the 3rd steel rope is connected on the connector 31 of the long shifter 30 of rope.In such cases, the steel rope assembly makes up the length that formed steel rope overall length also needs to add the 3rd steel rope.
In a unshowned embodiment, steel rope comprises the first steel rope 13 and the second steel rope 14, the long shifter 30 of restricting comprises the first long shifter of rope and the long shifter of the second rope, 13 windings of the first steel rope are on the pulley 33 of the long shifter of the first rope, 14 windings of the second steel rope are on the pulley 33 of the long shifter of the second rope, two fag ends 12 of the first steel rope 13 are connected to the first end of attaching parts 20, and two fag ends 12 of the second steel rope 14 are connected to the second end of attaching parts 20.Preferably, the extension elongation of two fag ends 12 of the first steel rope 13 is identical, and the extension elongation of two fag ends 12 of the second steel rope 14 is identical.In this embodiment, also attaching parts 20 can be set, and directly two fag ends 12 of the first steel rope 13 and two fag ends 12 of the second steel rope 14 be connected one to one.
When carrying out the combination of steel rope, above-mentioned various connection modes can be made up, to obtain the installation steel rope of different length.
In the use procedure of reality, length shifter 30 also can comprise more pulley 32, then the length shifter 30 of a plurality of different pulley numbers can be made up with steel rope and attaching parts 20, thereby the steel rope that obtains more different length types makes up.For example two length shifters 30 are used in combination, one of them length shifter 30 comprises a pulley 32, another length shifter 30 comprises two pulleys that are arranged side by side 32, if make up one section steel rope and two length shifters 30 this moment, then can make steel rope the shortest is 1/3rd of its overall length, and use the length shifter 30 of different numbers and type, must realize the combination of a greater variety of steel ropes.
In other embodiments, the length that also can regulate steel rope by the both sides bearing pin connection location that changes on the connecting panel.
The below comes as an example of three sections steel ropes example the various combinations of steel rope assembly of the present invention are illustrated.The length of three sections steel ropes is respectively 40 meters, ten meters, ten meters.
When using 60 meters long installation steel rope, it is 40 meters with a segment length, two segment length are that ten meters steel rope connects according to the mode of Fig. 6 from beginning to end, insert in two otic placodes, the 21 formed grooves of connecting panel the end of steel rope, is fixed by the connection bearing pin in the bearing pin connecting bore on the otic placode 21 between the two to get final product.
When the installation steel rope that uses 55 meters long, the steel rope that can be with length 40 meters is that ten meters steel rope head and the tail connect according to connection mode shown in Figure 6 with being connected segment length, the steel rope that another section is ten meters connects according to the connection mode of the second steel rope 14 among Fig. 8, connection bearing pin in the pin shaft hole of the connector 31 that is installed on length shifter 30 is pulled down, this steel rope of ten meters walked around the pulley 33 on the pulley yoke 32 that is installed in length shifter 30, then the fag end 12 at the steel rope two ends of winding on pulley 33 all is connected to the first end of a plate, afterwards the second end of this connecting panel is connected by connecting bearing pin with an end that is not connected of 40 meters steel ropes that combined according to mode shown in Figure 6 or ten meters steel ropes, behind integrated connection, the connector 31 by length shifter 30 is fixedly connected on the position that needs to install.
When using 50 meters long installation steel rope, it is 40 meters with a segment length, one segment length is that ten meters steel rope connects according to the mode of Fig. 6 from beginning to end, insert in two otic placodes, the 21 formed grooves of connecting panel the end of steel rope, is fixed by the connection bearing pin in the bearing pin connecting bore on the otic placode 21 between the two to get final product.
When using 45 meters long installation steel rope, can be according to the array mode among Fig. 8, the steel rope that with length is 40 meters uses as first paragraph steel rope 13, the steel rope that with a segment length is ten meters uses as second segment steel rope 14, connection bearing pin in the pin shaft hole of the connector 31 that is installed on length shifter 30 is pulled down, after rope body 11 windings of the second steel rope 14 are on pulley 33, be connected to the second end of attaching parts 20 by the fag end 12 at the second steel rope 14 two ends, and connect by connecting bearing pin, after steel rope was realized integrated connection, the connector 31 by length shifter 30 was fixedly connected on the position that needs to install.
When using 40 meters long installation steel rope, directly be that 40 meters steel rope is connected to assigned address and gets final product with length.
When using 35 meters long installation steel rope, the steel rope that can be with two segment length ten meters connects according to integrated connection mode shown in Figure 8, another segment length is that 40 meters steel rope connects according to the connection mode of the second steel rope 14 among Fig. 8, connection bearing pin in the pin shaft hole of the connector 31 that is installed on length shifter 30 is pulled down, this steel rope of 40 meters walked around the pulley 33 on the pulley yoke 32 that is installed in length shifter 30, then the fag end 12 at the steel rope two ends of winding on pulley 33 all is connected to the first end of a plate, afterwards the second end of this connecting panel is connected by being connected bearing pin with arbitrary steel rope in two sections ten meters steel ropes that combined according to mode shown in Figure 8, behind integrated connection, the connector 31 by length shifter 30 is fixedly connected on the position that needs to install.
When using 30 meters long installation steel rope, can be according to the array mode among Fig. 8, the steel rope that with a segment length is ten meters uses as first paragraph steel rope 13, the steel rope that with a segment length is 40 meters uses as second segment steel rope 14, connection bearing pin in the pin shaft hole of the connector 31 that is installed on length shifter 30 is pulled down, after rope body 11 windings of the second steel rope 14 are on pulley 33, be connected to the second end of attaching parts 20 by the fag end 12 at the second steel rope 14 two ends, and connect by connecting bearing pin, after steel rope was realized integrated connection, the connector 31 by length shifter 30 was fixedly connected on the position that needs to install.
When using 25 meters installation steel rope, the steel rope of ten meters of 40 meters steel ropes and the sections of is all got final product by connecting after length shifter 30 length of handover.
When using 20 meters installation steel rope, directly two sections ten meters long steel ropes being linked together by connecting panel gets final product.
When using 15 meters long installation steel rope, two sections ten meters long steel rope can be installed connection mode shown in Figure 8 and connect, to obtain required rope capacity.
When using ten meters long installation steel rope, directly be that ten meters steel rope is connected to assigned address and gets final product with length.
When using five meters long installation steel rope, after one section ten meters long steel rope windings are on the pulley 32 of length shifter 30, two fag ends 12 of the steel rope of the connector 31 of length shifter 30 and this winding are connected respectively to assigned address get final product.
By above-mentioned various combinations as can be known, utilize steel rope assembly of the present invention, only needing length is 40 meters, ten meters, three steel ropes of ten meters, two connecting panels and two length shifters 30, just can realize the variation of minimum 12 kinds of rope capacities, if and do not use length shifter 30 in the steel rope assembly of the present invention, then be merely able at most realize ten meters, 20 meters, 40 meters, 50 meters and 60 meters five kinds of length conversion, therefore the steel rope assembly of embodiments of the invention has very strong practicality, can satisfy multiple rope capacity requirement.In the process that length is switched, the number of the steel rope assembly of the present embodiment related connecting panel that uses and length shifter 30 when making up seldom, simple to operation, cost is lower, reliability is stronger.Because connection structure is less, and the linkage section of steel rope all is in parallel position, so the steel rope more reasonable stress that is combined to form of the steel rope assembly of present embodiment, and structural strength is better.
In conjunction with referring to shown in Figure 10, according to embodiments of the invention, tower crane comprises that elevator boom rack 40 and an end are connected to the steel rope assembly 10 on the elevator boom rack, this steel rope assembly 10 is above-mentioned steel rope assembly, and this steel rope assembly 10 comprises a plurality of steel ropes that link together by attaching parts and length shifter.Preferably, this tower crane is movable arm tower crane, and steel rope assembly 10 is the installing rope assembly on the movable arm tower crane.In the process of movable arm tower crane is installed, at first by the lifting appliance integral body elevator boom rack 40 of slinging, then carry out the combination of installing rope assembly and install, carry out again afterwards follow-up installation.The installing rope assembly is in tensioning state in the movable arm tower crane installation process, installing for the assembly of movable arm tower crane provides assistance force, guarantees the smooth assembling of movable arm tower crane.After movable arm tower crane is finished installation, owing to no longer need the installing rope assembly to provide assistance force for movable arm tower crane this moment, so the installing rope assembly is in relaxed state.
From above description, can find out, the above embodiments of the present invention have realized following technique effect: the steel rope assembly comprises multistage steel rope, attaching parts and the length shifter of selectively combining, after determining needed rope capacity, can select the steel rope of suitable quantity, then it is connected with attaching parts and/or length shifter, thereby is combined into the steel rope of different length, satisfy and use needs.Because the length shifter can change the length of one section steel rope, therefore, can utilize by the combination of length shifter and steel rope the steel rope of lesser amt to be combined into the steel rope of multiple different length, because steel rope quantity can be less, therefore the structure of steel rope assembly is simpler, install and use conveniently, cost is lower, and practicality is stronger.
Be the preferred embodiments of the present invention only below, 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 modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. steel rope assembly, it is characterized in that, comprise the multistage steel rope that connects according to the order of sequence capable of being combined and rope long shifter (30), the two ends of described steel rope all have connection structure, and at least one end of the long shifter of described rope (30) has for described steel rope winding winding section thereon.
2. steel rope assembly according to claim 1, it is characterized in that, described steel rope comprises rope body (11) and is fixedly connected on the fag end (12) at described rope body (11) two ends, removably is connected between described fag end (12) and the long shifter of described rope (30).
3. steel rope assembly according to claim 2, it is characterized in that, the long shifter of described rope (30) also comprises connector (31) and is fixedly connected on pulley yoke (32) on the described connector (31), described winding section comprises the rotating shaft that is arranged on rotationally on the described pulley yoke (32), described steel rope selectively winding in described rotating shaft.
4. steel rope assembly according to claim 3 is characterized in that, described winding section also comprises the pulley (33) that is set in the described rotating shaft, described steel rope selectively winding on described pulley (33).
5. steel rope assembly according to claim 4, it is characterized in that, described steel rope assembly also comprises attaching parts (20), described steel rope comprises the first steel rope (13) and the second steel rope (14), the first end of described the first steel rope (13) is connected to the first end of described attaching parts (20), described the second steel rope (14) winding is on described pulley (33), and the two ends of described the second steel rope (14) all are connected to the second end of described attaching parts (20).
6. steel rope assembly according to claim 5 is characterized in that, described steel rope also comprises the 3rd steel rope, and the first end of described the 3rd steel rope is connected on the connector (31) of the long shifter of described rope (30).
7. steel rope assembly according to claim 4, it is characterized in that, described steel rope assembly also comprises attaching parts (20), described steel rope comprises the first steel rope (13) and the second steel rope (14), the long shifter of described rope (30) comprises the first long shifter of rope and the long shifter of the second rope, described the first steel rope (13) winding is on the pulley (33) of the long shifter of described the first rope, described the second steel rope (14) winding is on the pulley (33) of the long shifter of described the second rope, two fag ends (12) of described the first steel rope (13) are connected to the first end of described attaching parts (20), and two fag ends (12) of described the second steel rope (14) are connected to the second end of described attaching parts (20).
8. steel rope assembly according to claim 2, it is characterized in that, described steel rope comprises the first steel rope (13) and the second steel rope (14), the long shifter of described rope (30) comprises the first long shifter of rope and the long shifter of the second rope, described the first steel rope (13) winding is on the pulley (33) of the long shifter of described the first rope, described the second steel rope (14) winding is on the pulley (33) of the long shifter of described the second rope, and two fag ends (12) of described the first steel rope (13) connect one to one with two fag ends (12) of described the second steel rope (14).
9. tower crane comprises elevator boom rack (40) and is connected to steel rope assembly on the described elevator boom rack, it is characterized in that described steel rope assembly is each described steel rope assembly in the claim 1 to 8.
10. tower crane according to claim 9 is characterized in that, described tower crane is movable arm tower crane, and described steel rope assembly is the installing rope assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558893.2A CN103030075B (en) | 2012-12-20 | 2012-12-20 | Steel wire rope component and comprise the tower crane of this steel wire rope component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558893.2A CN103030075B (en) | 2012-12-20 | 2012-12-20 | Steel wire rope component and comprise the tower crane of this steel wire rope component |
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| CN103030075A true CN103030075A (en) | 2013-04-10 |
| CN103030075B CN103030075B (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103981794A (en) * | 2014-05-28 | 2014-08-13 | 中联重科股份有限公司 | Pull rope adjusting connector as well as paver side tensioning device comprising pull rope adjusting connector and paver |
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| CN201634350U (en) * | 2009-12-29 | 2010-11-17 | 长沙中联重工科技发展股份有限公司 | Safety rope for movable-arm tower crane |
| CN201785144U (en) * | 2010-09-03 | 2011-04-06 | 湖北弘毅建筑装饰工程有限公司 | Gin pole crane |
| CN202465152U (en) * | 2012-03-14 | 2012-10-03 | 中联重科股份有限公司 | Winch rope length detector, hoisting device and crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981794A (en) * | 2014-05-28 | 2014-08-13 | 中联重科股份有限公司 | Pull rope adjusting connector as well as paver side tensioning device comprising pull rope adjusting connector and paver |
| CN103981794B (en) * | 2014-05-28 | 2016-03-02 | 中联重科股份有限公司 | Stay cord regulates connector and comprises its paver side take-up device, paver |
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| CN103030075B (en) | 2015-08-19 |
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