CN218145483U - Double-cable-rope hoisting system without cable tower - Google Patents
Double-cable-rope hoisting system without cable tower Download PDFInfo
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- CN218145483U CN218145483U CN202222508466.5U CN202222508466U CN218145483U CN 218145483 U CN218145483 U CN 218145483U CN 202222508466 U CN202222508466 U CN 202222508466U CN 218145483 U CN218145483 U CN 218145483U
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Abstract
The application relates to a two cable system of hanging of no cable tower includes: the main cable crane system comprises a main cable which spans over the canyon and main cable anchors which are positioned at two ends of the main cable and used for anchoring the main cable on hills on two sides of the canyon, wherein a main cable crown block moving along the length direction of the main cable is erected on the main cable; the auxiliary cable crane system is positioned above the main cable crane system and comprises an auxiliary cable spanning above the canyon and auxiliary cable anchors positioned at two ends of the auxiliary cable and used for anchoring the auxiliary cable on hills on two sides of the canyon, and an auxiliary cable overhead crane moving along the length direction of the auxiliary cable is erected on the auxiliary cable. The present application provides a secondary cable crane system above a main cable crane system for lifting a portion of the structure of the main cable crane system. The hoisting weight and the hoisting range of the auxiliary cable crane system can meet the construction requirement of the main cable crane system, can replace the construction of a complicated access road, and has higher economical efficiency.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a double-cable crane system without a cable tower.
Background
At present, a cable crane system is often used in the construction engineering of a large-span arch bridge in a mountain area, and the cable crane system consists of a main cable, a traction cable, a hoisting cable, a cable saddle, a hoisting crown block, a cable supporting device, a winch, an electrical system, a cable tower, a wind cable, an anchorage system and the like.
The cable crane system belongs to a hoisting system, wherein structures such as a cable saddle, a winch and an anchor system of the cable crane system have large dead weight, the erection construction of the cable crane depends on transportation facilities such as a flat car and a crane, but in mountainous areas with steep terrain and poor geological conditions, in order to consider economic or environmental protection factors, the construction temporary sidewalk is difficult to cover the action range of the cable crane.
Therefore, in a mountain area with steep terrain and complex geological conditions, the part with larger self weight of the cable crane system is transported, hoisted and installed in a reasonable mode, which is a technical problem to be solved in the technical field of arch bridge construction in the mountain area.
Disclosure of Invention
The embodiment of the application provides a two cable crane systems of no cable tower to solve among the prior art in the problem that transport and construction cable crane system are difficult to in the mountain area that the topography is precipitous, the geology condition is relatively poor.
The embodiment of this application provides in a first aspect a two cable of no cable tower hang system, includes:
the main cable crane system comprises a main cable which spans over the valley and main cable anchors which are positioned at two ends of the main cable and used for anchoring the main cable on hills on two sides of the valley, and a main cable crown block which moves along the length direction of the main cable is erected on the main cable;
the auxiliary cable crane system is positioned above the main cable crane system and comprises an auxiliary cable which stretches across the upper part of the valley and auxiliary cable anchors which are positioned at two ends of the auxiliary cable and used for anchoring the auxiliary cable on hills on two sides of the valley, and an auxiliary cable overhead crane which moves along the length direction of the auxiliary cable is erected on the auxiliary cable.
In some embodiments: the main cable crane system further comprises a main traction cable for drawing the main cable crane to move along the length direction of the main cable.
In some embodiments: the auxiliary cable crane system further comprises an auxiliary traction cable for drawing the auxiliary cable crane to move along the length direction of the auxiliary cable.
In some embodiments: the main cable crane system further comprises a main hoisting cable, one end of the main hoisting cable is connected with the main cable crane to lift a lifting appliance of the main cable crane, one end of the main hoisting cable is wound on the main hoisting machine, and the main hoisting machine is fixed on mountains on two sides of the canyon.
In some embodiments: the main cable overhead traveling cranes are provided with two groups, the two groups of main cable overhead traveling cranes are respectively provided with main hoisting cables for lifting the main cable overhead traveling crane lifting tools, the two groups of main winches are respectively used for rolling the main hoisting cables, and the main hoisting cables are hung on the main cable cables through main cable supporting devices.
In some embodiments: the auxiliary cable crane system further comprises an auxiliary hoisting cable, one end of the auxiliary hoisting cable is connected with the auxiliary cable crane to lift the hoisting tool of the auxiliary cable crane, one end of the auxiliary hoisting cable is wound on an auxiliary hoisting machine, and the auxiliary hoisting machine is fixed on mountain bodies on two sides of the canyon.
In some embodiments: the auxiliary cable crane is provided with two groups, the two groups of auxiliary cable cranes are respectively provided with auxiliary hoisting cables for lifting the auxiliary cable crane lifting tools, the two groups of auxiliary hoists are respectively used for winding the auxiliary hoisting cables, and the auxiliary hoisting cables are hung on the auxiliary cable cables through auxiliary cable supporting devices.
In some embodiments: the span of the auxiliary cable is larger than that of the main cable, and the projections of the auxiliary cable and the main cable in the height direction are superposed with each other.
In some embodiments: the main cable anchorage and the auxiliary cable anchorage are both prestressed rock anchors, and the main cable crane system and the auxiliary cable crane system are not provided with towers for supporting the main cable and the auxiliary cable.
A second aspect of the embodiments of the present application provides a construction method of a tower-free double-cable crane system, which uses the double-cable crane system according to any one of the embodiments described above, the method including the following steps:
designing a secondary cable crane system, determining the rated hoisting weight of the secondary cable crane system according to the maximum self-weight component of the main cable crane system, determining the main span of the secondary cable crane system according to the full operation range of the main cable crane system, wherein the main span of the secondary cable crane system is larger than that of the main cable crane system;
constructing a secondary cable crane system, anchoring construction secondary cable anchorages on hills on two sides of the canyon, carrying a secondary cable by adopting an airplane or a rocket, enabling the secondary cable to cross over the canyon and be anchored on the hills on two sides of the canyon through the secondary cable anchorages, and then erecting a secondary cable crown block moving along the length direction of the secondary cable on the secondary cable;
constructing a main cable crane system, respectively hoisting a main cable anchorage, a main cable and a main cable overhead traveling crane by using an auxiliary cable crane system, anchoring the main cable anchorage on hills at two sides of a canyon, crossing the main cable over the canyon and anchoring the main cable on the hills at two sides of the canyon through the main cable anchorage, and then erecting the main cable overhead traveling crane moving along the length direction of the main cable on the main cable;
and constructing an arch bridge structure, and hoisting an arch bridge main body structure by using the auxiliary cable crane system in cooperation with the main cable crane system.
The technical scheme who provides this application brings beneficial effect includes:
the embodiment of the application provides a double-cable-rope hoisting system without a cable tower, and the double-cable-rope hoisting system is provided with a main cable rope crane system, wherein the main cable rope crane system comprises a main cable rope stretching over a canyon and main cable anchors which are positioned at two ends of the main cable rope and used for anchoring the main cable rope on hills on two sides of the canyon, and a main cable crown block moving along the length direction of the main cable rope is erected on the main cable rope; the auxiliary cable crane system is positioned above the main cable crane system and comprises an auxiliary cable spanning above the canyon and auxiliary cable anchors positioned at two ends of the auxiliary cable and used for anchoring the auxiliary cable on hills on two sides of the canyon, and an auxiliary cable crown block moving along the length direction of the auxiliary cable is erected on the auxiliary cable.
Therefore, the double-cable crane system is suitable for mountainous areas with steep terrain and poor geological conditions, and is used for arch bridge construction with large span and construction temporary sidewalks which are difficult to cover the operation range of the cable crane. A secondary cable crane system is provided above the main cable crane system for lifting a partial structure of the main cable crane system. The auxiliary cable crane system is simple and light in structure, the hoisting weight and the hoisting range of the auxiliary cable crane system can meet the requirements of transportation and installation of the main cable crane system, the construction of construction roads with complicated construction can be replaced, and the economical efficiency is higher.
In addition, after the auxiliary cable crane system completes the transportation and installation of the main cable crane system, the auxiliary cable crane system can also be matched with the main cable crane system to perform lifting, hoisting and other operations on the main structure of the arch bridge. For single seat cable loop wheel machine system has improved hoisting efficiency, and the double cable of this application hangs the system and need not to build the pylon, and main rope cable loop wheel machine system and vice cable loop wheel machine system directly anchor have the structure succinct, the advantage of the construction of being convenient for on the mountain body of canyon both sides.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Reference numerals are as follows:
10. a secondary cable hoist system; 11. the auxiliary cable is anchored; 12. a secondary cable; 13. a sub-cable crown block; 14. an auxiliary traction cable; 15. an auxiliary hoisting cable; 16. a secondary rope supporting device; 17. an auxiliary hoist;
20. a main cable hoist system; 21. anchoring the main cable; 22. a main cable; 23. a main cable crown block; 24. a main traction cable; 25. a main hoisting cable; 26. a main rope supporting device; 27. a main winch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a two cable crane systems of no cable tower, and it can solve among the prior art in the problem that transport and construction cable crane system are difficult to in the mountain area that the topography is precipitous, the geology condition is relatively poor.
Referring to fig. 1, a first aspect of the embodiments of the present application provides a tower-less double-rope hoist system, including:
the main cable crane system 20 includes a main cable 22 extending over the canyon, and main cable anchors 21 provided at both ends of the main cable 22 and anchoring the main cable 22 to mountains on both sides of the canyon, and a main cable crown block 23 moving in a length direction of the main cable 22 is installed on the main cable 22. The main cable anchorage 21 is a prestressed rock anchor anchored on the mountain bodies on both sides of the canyon.
And the auxiliary cable crane system 10 is positioned above the main cable crane system 20, the auxiliary cable crane system 10 comprises an auxiliary cable 12 spanning above the canyon and auxiliary cable anchorages 11 positioned at two ends of the auxiliary cable 12 and used for anchoring the auxiliary cable 12 on hills on two sides of the canyon, and an auxiliary cable crown block 13 moving along the length direction of the auxiliary cable 12 is erected on the auxiliary cable 12. The auxiliary cable anchor 11 is a prestressed rock anchor anchored on hills on both sides of the canyon. Neither the main cable crane system 20 nor the secondary cable crane system 10 is provided with a tower supporting the main cable 22 and the secondary cable 12.
The double-cable-crane system without the cable tower is suitable for mountainous areas with steep terrain and poor geological conditions, and is used for arch bridge construction with large span and construction temporary sidewalks which are difficult to cover the action range of the cable crane. The sub-cable crane system 10 is provided above the main cable crane system 20 for lifting a partial structure of the main cable crane system 20. The auxiliary cable crane system 10 is simple and light in structure, the hoisting weight and the hoisting range of the auxiliary cable crane system 10 can meet the construction requirement of the main cable crane system 20, the construction of a construction access road with complicated construction can be replaced, and the economical efficiency is high.
In addition, after the auxiliary cable crane system 10 completes the transportation and installation of the main cable crane system 20, the auxiliary cable crane system 10 can also cooperate with the main cable crane system 20 to perform operations such as hoisting and hoisting on the main structure of the arch bridge. For single seat cable crane system has improved hoisting efficiency, and the double cable crane system of this application need not to build the pylon, main cable crane system 20 and auxiliary cable crane system 10 direct anchoring have the structure succinct, the advantage of the construction of being convenient for on the gorge both sides massif.
In some alternative embodiments: referring to fig. 1, the present embodiment provides a pylon-less dual cable hoist system, in which the main cable hoist system 20 further includes a main traction cable 24 for pulling the main cable crown 23 to move along the length of the main cable 22, and the main traction cable 24 pulls the main cable crown 23 to reciprocate along the length of the main cable 22. The auxiliary cable hoist system 10 further includes an auxiliary traction cable 14 that pulls the auxiliary cable crown 13 to move in the length direction of the auxiliary cable 12, and the auxiliary traction cable 14 pulls the auxiliary cable crown 13 to reciprocate in the length direction of the auxiliary cable 12. The span of the secondary cable 12 is larger than that of the main cable 22, and the projections of the secondary cable 12 and the main cable 22 in the height direction coincide with each other.
In some alternative embodiments: referring to fig. 1, the present embodiment provides a pylon-less double cable crane system, in which the main cable crane system 20 further includes a main hoisting cable 25, one end of the main hoisting cable 25 is connected to the main cable crane 23, the main hoisting cable 25 is used to lift a spreader of the main cable crane 23, one end of the main hoisting cable 25 is wound around a main hoist 27, and the main hoist 27 is fixed to mountains on both sides of a canyon.
Two sets of main cable crown blocks 23 are provided, two sets of main cable crown blocks 23 are respectively provided with main hoisting ropes 25 for hoisting the hoisting tools of the main cable crown blocks 23, two sets of main hoists 27 are provided, the two sets of main hoists 27 respectively wind the main hoisting ropes 25 of the two sets of main cable crown blocks 23, and the main hoisting ropes 25 are hung on the main cable 22 through main rope supporters 26.
In some alternative embodiments: referring to fig. 1, the present embodiment provides a pylon-less dual cable crane system, in which the secondary cable crane system 10 further includes a secondary hoisting cable 15, one end of the secondary hoisting cable 15 is connected to the secondary cable crane 13, the secondary hoisting cable 15 is used to lift a spreader of the secondary cable crane 13, one end of the secondary hoisting cable 15 is wound around a secondary winch 17, and the secondary winch 17 is fixed to mountains on both sides of a valley.
Two sets of auxiliary cable crown blocks 13 are arranged, two sets of auxiliary cable crown blocks 13 are respectively provided with auxiliary hoisting cables 15 for lifting the lifting tools of the auxiliary cable crown blocks 13, two sets of auxiliary hoisting machines 17 are arranged, the two sets of auxiliary hoisting machines 17 are respectively used for winding the auxiliary hoisting cables 15, and the auxiliary hoisting cables 15 are hung on the auxiliary cable 12 through auxiliary cable supporters 16.
Referring to fig. 1, a second aspect of the embodiments of the present application provides a construction method of a tower-less double-cable crane system, which uses the double-cable crane system according to any of the embodiments described above, the method including the following steps:
step 1, designing a secondary cable crane system 10, determining the rated hoisting weight of the secondary cable crane system 10 according to the maximum self-weight component of a main cable crane system 20, determining the main span of the secondary cable crane system 10 according to the full operation range of the main cable crane system 20, wherein the main span of the secondary cable crane system 10 is larger than the main span of the main cable crane system 20.
And 2, constructing a secondary cable crane system 10, anchoring and constructing secondary cable anchors 11 on hills on two sides of the canyon, carrying a secondary cable 12 by an airplane or a rocket, enabling the secondary cable 12 to cross over the canyon and be anchored on the hills on two sides of the canyon through the secondary cable anchors 11, and then erecting a secondary cable crown block 13 moving along the length direction of the secondary cable 12 on the secondary cable 12.
And 3, constructing a main cable crane system 20, respectively lifting a main cable anchorage 21, a main cable 22 and a main cable overhead traveling crane 23 by using the auxiliary cable crane system 10, anchoring the main cable anchorage 21 on hills on two sides of the canyon, crossing the main cable 22 above the canyon and anchoring the main cable anchorage 21 on the hills on two sides of the canyon, and then erecting the main cable overhead traveling crane 23 moving along the length direction of the main cable 22 on the main cable 22.
And 4, constructing the arch bridge structure, and lifting and hoisting the main structure of the arch bridge by using the auxiliary cable crane system 10 in cooperation with the main cable crane system 20.
Principle of operation
The embodiment of the application provides a cable-tower-free double-cable-rope hoisting system, and the cable-tower-free double-cable-rope hoisting system is provided with a main cable rope crane system 20, wherein the main cable rope crane system 20 comprises a main cable rope 22 stretching over a canyon and main cable anchors 21 which are positioned at two ends of the main cable rope 22 and used for anchoring the main cable rope 22 on hills on two sides of the canyon, and a main cable crown block 23 moving along the length direction of the main cable rope 22 is erected on the main cable rope 22; and the auxiliary cable crane system 10, the auxiliary cable crane system 10 is positioned above the main cable crane system 20, the auxiliary cable crane system 10 comprises an auxiliary cable 12 stretching over the canyon and auxiliary cable anchorages 11 positioned at two ends of the auxiliary cable 12 and used for anchoring the auxiliary cable 12 on hills at two sides of the canyon, and an auxiliary cable crown block 13 moving along the length direction of the auxiliary cable 12 is erected on the auxiliary cable 12.
Therefore, the double-cable-crane system without the cable tower is suitable for mountainous areas with steep terrain and poor geological conditions, and is used for arch bridge construction with large span and construction temporary sidewalks which are difficult to cover the action range of the cable crane. The auxiliary cable crane system 10 is disposed above the main cable crane system 20, and the auxiliary cable crane system 10 is used for hoisting a part of the structure of the main cable crane system 20, so as to facilitate transportation and erection of the main cable crane system 20 in a mountainous area with steep terrain and poor geological conditions. The auxiliary cable crane system 10 is simple and light in structure, the hoisting weight and the hoisting range of the auxiliary cable crane system 10 can meet the construction requirement of the main cable crane system 20, the construction of a construction access road with complicated construction can be replaced, and the economical efficiency is high.
In addition, after the auxiliary cable crane system 10 completes the transportation and installation of the main cable crane system 20, the auxiliary cable crane system 10 can cooperate with the main cable crane system 20 to perform the operations of hoisting, hoisting and the like on the main structure of the arch bridge. Compared with a single-seat cable crane system, the hoisting efficiency is improved, the double-cable crane system does not need to build a tower frame, the main cable crane system 20 and the auxiliary cable crane system 10 are directly anchored on hills on two sides of the canyon, and the double-cable crane system has the advantages of being simple in structure and convenient to construct.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A towerless dual-hawser hoist system, comprising:
the main cable crane system (20) comprises a main cable (22) stretching over the canyon and main cable anchors (21) which are positioned at two ends of the main cable (22) and used for anchoring the main cable (22) on hills on two sides of the canyon, wherein a main cable crown block (23) moving along the length direction of the main cable (22) is erected on the main cable (22);
the auxiliary cable crane system (10) is located above the main cable crane system (20), the auxiliary cable crane system (10) comprises an auxiliary cable (12) stretching over the valley and auxiliary cable anchors (11) located at two ends of the auxiliary cable (12) and used for anchoring the auxiliary cable (12) on mountain bodies on two sides of the valley, and an auxiliary cable crown block (13) moving along the length direction of the auxiliary cable (12) is erected on the auxiliary cable (12).
2. A pylon-less double cable hoist system as claimed in claim 1, wherein:
the main cable crane system (20) further includes a main traction cable (24) for pulling the main cable crown block (23) to move along the length direction of the main cable (22).
3. A pylon-free dual cable hoist system as claimed in claim 1, wherein:
the auxiliary cable crane system (10) further comprises an auxiliary traction cable (14) for drawing an auxiliary cable crane (13) to move along the length direction of the auxiliary cable (12).
4. A pylon-free dual cable hoist system as claimed in claim 1, wherein:
the main cable crane system (20) further comprises a main hoisting rope (25), one end of the main hoisting rope (25) is connected with the main cable crown block (23) to lift the hanger of the main cable crown block (23), one end of the main hoisting rope (25) is wound on a main hoist (27), and the main hoist (27) is fixed on mountains on both sides of the canyon.
5. A pylon-less double cable hoist system as claimed in claim 4, wherein:
the main cable crane (23) is provided with two groups, the two groups of main cable crane (23) are respectively provided with a main hoisting cable (25) for lifting the main cable crane (23), the two groups of main hoists (27) are respectively wound by the main hoists (27), and the main hoisting cables (25) are hung on the main cable (22) through a main supporting cable device (26).
6. A pylon-less double cable hoist system as claimed in claim 1, wherein:
the auxiliary cable crane system (10) further comprises an auxiliary hoisting cable (15), one end of the auxiliary hoisting cable (15) is connected with the auxiliary cable crane (13) to lift a lifting appliance of the auxiliary cable crane (13), one end of the auxiliary hoisting cable (15) is wound on an auxiliary winch (17), and the auxiliary winch (17) is fixed on mountains on two sides of the canyon.
7. A pylon-less double cable hoist system as claimed in claim 6, wherein:
the auxiliary cable crane (13) is provided with two sets, the two sets of auxiliary cable cranes (13) are respectively provided with auxiliary hoisting cables (15) for lifting the lifting appliance of the auxiliary cable crane (13), the two sets of auxiliary hoists (17) are respectively used for winding the auxiliary hoisting cables (15), and the auxiliary hoisting cables (15) are hung on the auxiliary cable rope (12) through auxiliary cable supporters (16).
8. A pylon-free dual cable hoist system as claimed in claim 1, wherein:
the span of the secondary cable (12) is larger than that of the main cable (22), and the projections of the secondary cable (12) and the main cable (22) in the height direction are superposed with each other.
9. A pylon-free dual cable hoist system as claimed in claim 1, wherein:
the main cable anchor (21) and the auxiliary cable anchor (11) are both prestressed rock anchors, and the main cable crane system (20) and the auxiliary cable crane system (10) are not provided with towers for supporting the main cable (22) and the auxiliary cable (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222508466.5U CN218145483U (en) | 2022-09-20 | 2022-09-20 | Double-cable-rope hoisting system without cable tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222508466.5U CN218145483U (en) | 2022-09-20 | 2022-09-20 | Double-cable-rope hoisting system without cable tower |
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| CN218145483U true CN218145483U (en) | 2022-12-27 |
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| CN202222508466.5U Active CN218145483U (en) | 2022-09-20 | 2022-09-20 | Double-cable-rope hoisting system without cable tower |
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