CN112209269B

CN112209269B - Multipoint lifting arch climbing crane

Info

Publication number: CN112209269B
Application number: CN202011091993.XA
Authority: CN
Inventors: 张克; 杨世湘; 杨鑫
Original assignee: Hunan Zhongnan Bridge Installation Engineering Co ltd
Current assignee: Hunan Zhongnan Bridge Installation Engineering Co ltd; CCCC Third Harbor Engineering Co Ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2023-05-12
Anticipated expiration: 2040-10-13
Also published as: CN112209269A

Abstract

The application relates to a multipoint lifting arch climbing crane, which comprises a frame assembly, a lifting point longitudinal moving assembly, a lifting point transverse moving assembly and a lifting assembly; the lifting point longitudinal movement assembly comprises a longitudinal movement driving mechanism and a longitudinal movement beam which are all arranged on the frame assembly in a group mode, and the longitudinal movement driving mechanism is connected with the longitudinal movement beam and is used for driving the longitudinal movement beam to longitudinally move; the lifting point transverse moving assembly comprises a transverse moving driving mechanism and transverse moving beams which are all assembled on the longitudinal moving beams, and the transverse moving driving mechanism is connected with the transverse moving beams and is used for driving the transverse moving beams to transversely move; the hoisting assembly comprises at least two hoisting sub-assemblies, wherein each hoisting sub-assembly comprises a winding and unwinding device assembled on the frame assembly, a pulley block assembled on the transverse beam and a lifting hook positioned below the transverse beam, and a lifting rope of the winding and unwinding device winds the pulley block and is connected to the lifting hook. The method can solve the problems that in the related art, the full-circle crane is lifted at a single point, the posture of the arch rib rod piece is difficult to adjust in the lifting process, the installation speed is low, and the construction efficiency is low.

Description

Multipoint lifting arch climbing crane

Technical Field

The application relates to the technical field of arch bridge construction, in particular to a multipoint lifting and climbing arch crane.

Background

In the arch bridge construction process, a climbing arch crane is usually installed on the completed steel truss girder, the arch rib rod pieces are lifted by the climbing arch crane, the arch rib rod pieces are installed on the completed steel truss girder, and the process is repeated until the construction of all the arch rib rod pieces is completed.

However, in some related technologies, the applied climbing arch crane is a full-circle crane, the crane lifting capacity is small, the maximum lifting capacity is 100t, and the crane is heavy in weight and poor in economy; in the arch rib construction process, the load to the structure is big, and the risk is great, simultaneously because of single-point lifts by crane, be difficult to carry out posture adjustment in the arch rib member hoist and mount in-process for installation rate is slower, and the efficiency of construction is low, has certain influence to the time limit for a project.

Disclosure of Invention

The embodiment of the application provides a multipoint lifting climbing arch crane to solve among the related art all-round crane single-point and lift, be difficult to carry out posture adjustment in arch rib member hoist and mount in-process, make the installation rate slower, the problem that the efficiency of construction is low.

The embodiment of the application provides a multipoint lifts by crane and climbs encircles loop wheel machine, it includes:

a frame assembly;

the lifting point longitudinal movement assembly comprises a longitudinal movement driving mechanism and a longitudinal movement beam which are all assembled on the frame assembly, wherein the longitudinal movement driving mechanism is connected with the longitudinal movement beam and is used for driving the longitudinal movement beam to longitudinally move on the frame assembly;

the lifting point transverse moving assembly comprises transverse moving driving mechanisms and transverse moving beams which are all assembled on the longitudinal moving beams, wherein the transverse moving driving mechanisms are connected with the transverse moving beams and used for driving the transverse moving beams to transversely move on the longitudinal moving beams;

the hoisting assembly comprises at least two hoisting sub-assemblies, wherein each hoisting sub-assembly comprises a winding and unwinding device assembled on the frame assembly, a pulley group assembled on the transverse beam and a lifting hook positioned below the transverse beam, and a lifting rope of the winding and unwinding device winds the pulley group and is connected to the lifting hook.

In some embodiments, the lifting sub-assembly further includes a guide wheel set, where the guide wheel set includes a plurality of guide wheels respectively assembled on the frame assembly, the longitudinal beam and the transverse beam, and the lifting rope sequentially winds around each guide wheel and is connected to the lifting hook through the pulley set.

In some embodiments, the longitudinally moving beams comprise at least two longitudinally moving sub-beams arranged at intervals, and two adjacent longitudinally moving sub-beams are connected through a coupling system;

the transverse moving beam is arranged on the longitudinal moving sub-beam, and the transverse moving driving mechanism is arranged on the longitudinal moving sub-beam.

In some embodiments, the lifting sub-assembly can realize longitudinal and transverse movement through the lifting point longitudinal movement assembly and the lifting point transverse movement assembly, can move independently relatively and can also link, meanwhile, the component is lifted together by a plurality of lifting sub-assemblies in the lifting process, and the space height position of the lifting hook can be independently adjusted by a single lifting sub-assembly through the winding and unwinding device, so that the gesture and the corresponding position of the component in the lifting process can be conveniently adjusted.

In some embodiments, at least two sets of rack leg sets are arranged at the bottom of the rack assembly at intervals in the longitudinal direction;

the multipoint lifting arch climbing crane further comprises at least two sets of traveling assemblies, and the traveling assemblies are arranged at the bottom of the frame assembly in a group mode;

the travel assembly includes:

-a lifting mechanism, the top of which is assembled on the frame assembly and the bottom of which is connected with a travelling leg;

-a track beam;

-a roller mechanism arranged on the walking leg and in rolling connection with the track beam, the roller mechanism being driven by the lifting mechanism to lift the track beam;

a running drive mechanism for driving the rail beam and the roller mechanism in a relative movement in the longitudinal direction.

In some embodiments, two ends of the running driving mechanism are respectively connected with the running support leg and the track beam in a rotating way.

In some embodiments, the multi-point lifting arch climbing crane has a multi-purpose function, including lifting arch rib rods and lifting bridge deck steel beams.

In some embodiments, when the arch rib rod is lifted, the arch climbing crane is arranged at the arch foot, and climbs upwards section by section from the arch foot to the arch crown direction, and each climbing one arch rib rod is lifted to the next arch rib rod until the arch rib is closed.

In some embodiments, after the arch rib closure is completed, the multi-point lifting arch climbing crane is arranged on the arch top, and the arch is gradually crawled downwards from the arch top to the arch foot direction, and each crawling rib rod piece is used for lifting the next steel beam section until the steel beam is closed.

The beneficial effects that technical scheme that this application provided brought include:

the embodiment of the application provides a multipoint lifts by crane and climbs arch loop wheel machine, when hoist and mount arch rib member, can indulge the position of shifting assembly and hoisting point sideslip assembly adjustment arch rib member through the hoisting point, simultaneously, the assembly of lifting by crane includes two at least sub-assemblies of lifting by crane for the single point in the correlation technique, this application lifts by crane the arch rib member through two at least sub-assemblies of lifting by crane, realize the independent operation of multiple hoisting points to the attitude adjustment of arch rib member hoist and mount in-process has improved installation rate and efficiency of construction, makes the hoist and mount operation more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a multipoint lifting climbing arch crane provided in an embodiment of the present application mounted on a steel truss;

FIG. 2 is a schematic diagram of a multi-point lifting and climbing arch crane according to an embodiment of the present disclosure when lifting a rib bar;

fig. 3 is a schematic diagram of a multipoint lifting arch climbing crane according to an embodiment of the present application;

FIG. 4 is a schematic view in the direction A-A of FIG. 3;

FIG. 5 is a schematic view in the direction B-B in FIG. 3;

FIG. 6 is a schematic view in the direction C-C of FIG. 3;

fig. 7 is a schematic view in the direction D-D in fig. 3.

In the figure: 1. a frame assembly; 10. a frame stringer; 100. a first stringer; 101. a second stringer; 102. a third stringer; 103. an avoidance space; 11. a frame cross beam; 12. a frame support leg; 13. an anchor; 2. the lifting point longitudinally moves the assembly; 20. a longitudinally moving driving mechanism; 21. a longitudinally moving beam; 210. longitudinally moving the sub-beams; 211. a coupling system; 3. a lifting point transverse moving assembly; 30. a lateral movement driving mechanism; 31. a transverse beam; 4. a lifting sub-assembly; 40. a wire winding and unwinding device; 41. a pulley block; 410. a fixed pulley block; 411. a motor train unit; 42. a lifting hook; 43. a hanging rope; 44. a guide wheel; 45. an auxiliary winding and unwinding device; 46. an auxiliary lifting hook; 5. a walking assembly; 50. walking support legs; 51. a roller mechanism; 510. an end plate; 511. a main wheel; 512. an auxiliary wheel; 52. a rail beam; 520. a base; 521. a top beam; 53. a travel driving mechanism; 6. a cushion block; 7. a push mechanism; 8. steel truss girder; 9. arch rib rod piece.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The embodiment of the application provides a multipoint lifting climbing arch crane, which can solve the problems that in the related art, the full-circle crane is single-point lifted, and the attitude adjustment is difficult to be carried out in the lifting process of an arch rib rod piece, so that the installation speed is slower, and the construction efficiency is low.

Referring to fig. 1 and 2, embodiments of the present application provide a multi-point lifting climbing arch crane for mounting on an erected steel truss girder 8 and lifting arch rib bars 9 to erect the arch rib bars 9 on the steel truss girder 8.

It should be noted that, hereinafter, the lateral direction and the longitudinal direction, when understood, should be understood as: when the multipoint lifting arch climbing crane is used for lifting construction, the transverse direction is along the transverse bridge direction, and the longitudinal direction is along the longitudinal bridge direction.

Referring to fig. 3, 4, 5, 6 and 7, the multi-point lifting climbing arch crane comprises a frame assembly 1, a lifting point longitudinal moving assembly 2, a lifting point transverse moving assembly 3 and a lifting assembly; wherein, the liquid crystal display device comprises a liquid crystal display device,

referring to fig. 3 and 4, the lifting point longitudinal moving assembly 2 includes a longitudinal moving driving mechanism 20 and a longitudinal moving beam 21 which are all assembled on the frame assembly 1, the longitudinal moving driving mechanism 20 is connected with the longitudinal moving beam 21 and is used for driving the longitudinal moving beam 21 to longitudinally move on the frame assembly 1;

referring to fig. 3 and 4, the lifting point traversing assembly 3 includes a traversing driving mechanism 30 and a traversing beam 31 which are all assembled on the longitudinal beam 21, the traversing driving mechanism 30 is connected with the traversing beam 31 and is used for driving the traversing beam 31 to move transversely on the longitudinal beam 21;

referring to fig. 3 and 4, the lifting assembly comprises at least two lifting sub-assemblies 4, wherein the lifting sub-assemblies 4 comprise a take-up and pay-off device 40 assembled on the frame assembly 1, a pulley block 41 assembled on the transverse beam 31 and a lifting hook 42 positioned below the transverse beam 31, and a lifting rope 43 of the take-up and pay-off device 40 winds the pulley block 41 and is connected to the lifting hook 42; from the figure, there are two crane subassemblies 4, and the skid groups 41 of the two crane subassemblies 4 are arranged longitudinally.

The multipoint lifting and climbing arch crane provided by the embodiment of the application can longitudinally move the position of the assembly 2 and the lifting point sideslip assembly 3 adjustment arch rib rod 9 through the lifting point when lifting the arch rib rod 9, and simultaneously, the lifting assembly comprises at least two lifting sub-assemblies 4, and the arch rib rod 9 is lifted through the at least two lifting sub-assemblies 4 relative to single-point lifting in the related art, so that independent operation of multiple lifting points is realized, the posture adjustment of the arch rib rod 9 in the lifting process is facilitated, the installation speed and the construction efficiency are improved, and the lifting operation is more convenient.

Referring to fig. 3 and 4, in some preferred embodiments, the lifting point traversing assemblies 3 are provided with two sets, and the two sets of lifting point traversing assemblies 3 are laterally distributed; the two sets of lifting assemblies are arranged and are transversely distributed, and the two sets of lifting assemblies are respectively connected with the two sets of lifting point transverse moving assemblies 3. The two sets of lifting point transverse moving assemblies 3 and the two sets of lifting assemblies are arranged, on one hand, symmetrical arrangement is adopted to ensure that the multipoint lifting climbing arch crane is balanced in stress, stability and safety in the construction process are improved, and on the other hand, the two sides of the steel truss girder 8 can be erected and constructed simultaneously, so that the construction efficiency is further improved.

Referring to fig. 3 and 4, in some preferred embodiments, the lifting sub-assembly 4 further includes a guide wheel set including a plurality of guide wheels 44 respectively assembled to the frame assembly 1, the longitudinal beam 21 and the transverse beam 31, and the lifting rope 43 sequentially winds around each guide wheel 44 and is connected to the lifting hook 42 via the pulley block 41.

Referring to fig. 3, in some preferred embodiments, the trolley group 41 includes a fixed trolley group 410 assembled on the traversing beam 31 and a trolley group 411 positioned below the fixed trolley group 410, and the hoist rope 43 is routed around the fixed trolley group 410 and the trolley group 411 and connected to the hook 42.

Referring to fig. 4, in some preferred embodiments, the frame assembly 1 includes two frame stringers 10 disposed at a lateral interval and two frame beams 11 disposed at a longitudinal interval, two ends of the frame beams 11 are respectively connected to the two frame stringers 10, and the two frame beams 11 are located on the same side of the longitudinally moving beam 21; two ends of the longitudinal moving beam 21 are respectively arranged on the two frame longitudinal beams 10, two sets of longitudinal moving driving mechanisms 20 are arranged, and the two sets of longitudinal moving driving mechanisms 20 are respectively arranged on the two frame longitudinal beams 10. In this embodiment, the frame assembly 1 adopts the frame construction, can reduce the multiple spot and lift by crane the dead weight of climbing the arch crane, make multiple spot lift by crane climb the arch crane more economical, and in the arch rib member 9 work progress, little to the load of steel truss girder 8, increase the security in the work progress.

Referring to fig. 3, in some preferred embodiments, the frame girder 10 includes a first girder 100, a second girder 101 and a third girder 102 connected to both ends of the first girder 100, respectively, two frame girders 11 are connected to the second girder 101 and the first girder 100, respectively, the take-up and pay-off device 40 is assembled to the second girder 101, and the lifting point longitudinal movement assembly 2 is assembled to the third girder 102; the third side member 102 is located at the upper portion of the first side member 100, and forms a relief space 103 between the third side member 102 and the lower portion of the first side member 100. In this embodiment, the frame longitudinal beam 10 is connected and matched through the first longitudinal beam 100, the second longitudinal beam 101 and the third longitudinal beam 102, so that the crane has a low gravity center and better stability, and the safety in the construction process is improved. The avoidance space 103 can ensure that the arch rib rod 9 does not interfere with the third longitudinal beam 102 when being lifted to the installation position.

Referring to fig. 4 and 5, two auxiliary winding and unwinding devices 45 are further arranged on the frame cross beam 11 far away from the longitudinal moving beam 21, two auxiliary lifting hooks 46 are arranged on the longitudinal moving beam 21, slings of the auxiliary winding and unwinding devices 45 are connected with the auxiliary lifting hooks 46, and the auxiliary winding and unwinding devices 45 and the auxiliary lifting hooks 46 can be matched with the winding and unwinding devices 40 and the lifting hooks 42 to hoist, so that the hoisting capacity of the multi-point hoisting arch climbing crane is increased.

Referring to fig. 4, in some preferred embodiments, the longitudinally movable beam 21 includes at least two longitudinally movable sub-beams 210 disposed at a longitudinal interval, and adjacent two longitudinally movable sub-beams 210 are connected by a tie-down system 211; the transverse moving beam 31 is arranged on the longitudinal moving sub-beam 210, the transverse moving driving mechanism 30 is arranged on the longitudinal moving sub-beam 210, a plurality of sets of transverse moving driving mechanisms 30 can be arranged, two sets of transverse moving driving mechanisms 30 are arranged in the figure, and the two sets of transverse moving driving mechanisms 30 are respectively arranged on the two longitudinal moving sub-beams 210. It can also be seen from the figure that in order to ensure a safe movement of the longitudinal movement beams 21, there are four sets of longitudinal movement driving mechanisms 20, each longitudinal movement sub-beam 210 being driven by two longitudinal movement driving mechanisms 20.

In some preferred embodiments, the lifting sub-assembly 4 can move longitudinally and transversely through the lifting point longitudinal moving assembly 2 and the lifting point transverse moving assembly 3, can move independently relatively and can also link, meanwhile, the component is lifted by a plurality of lifting sub-assemblies 4 together in the lifting process, and the space height position of the lifting hook 42 can be independently adjusted by a single lifting sub-assembly 4 through the wire winding and unwinding device 40, so that the posture and the corresponding position of the component in the lifting process can be conveniently adjusted.

After the installation of the arch rib rod piece 9 at the current position is completed, the frame assembly 1 needs to be moved so as to enable the multi-point lifting and climbing arch crane to move to the next position, and the arch rib rod piece 9 is continuously lifted, so as to facilitate the movement of the multi-point lifting and climbing arch crane, as shown in fig. 3 and 6, in some preferred embodiments, at least two sets of frame support leg groups are arranged at the bottom of the frame assembly 1 at intervals in the longitudinal direction, and each frame support leg group comprises two frame support legs 12 which are distributed at intervals in the transverse direction; the multipoint lifting arch climbing crane further comprises at least two sets of running assemblies 5, wherein in the embodiment, two sets of running assemblies 5 are arranged at the bottom of the frame assembly 1 in a transversely spaced mode; the walking assembly 5 comprises a lifting mechanism, a walking supporting leg 50, a roller mechanism 51, a track beam 52 and a walking driving mechanism 53; the two lifting mechanisms are longitudinally arranged at the bottom of the frame assembly 1 at intervals, and the bottom of the lifting mechanism is connected with a travelling supporting leg 50; the walking support leg 50 is connected with a roller mechanism 51, the roller mechanism 51 is in rolling connection with the track beam 52, and the roller mechanism 51 can drive the track beam 52 to lift under the drive of the lifting mechanism; the travel drive mechanism 53 is used to drive the track beam 52 and the roller mechanism 51 to move relative to each other in the longitudinal direction.

Specifically, both ends of the travel drive mechanism 53 are rotatably connected to the roller mechanism 51 and the rail beam 52, respectively.

Specifically, when the arch rib rod piece 9 is hoisted, the multi-point hoisting and climbing arch crane is assembled on the steel truss girder 8 through the frame supporting leg 12, and of course, the multi-point hoisting and climbing arch crane can be further fixed through the track girder 52 on the basis; when the multi-point hoisting arch climbing crane needs to be moved, firstly, lifting the roller mechanism 51 through the lifting mechanism, thereby lifting the track beam 52 so as to separate the track beam 52 from the steel truss beam 8; a second step of driving by a travel driving mechanism 53 to move the track beam 52 to the next construction position; thirdly, lowering the track beam 52 through the lifting mechanism, fixing the track beam 52 and the steel truss beam 8, and separating the frame support leg 12 from the steel truss beam 8; fourth, the roller mechanism 51 is driven to roll on the track beam 52 through the travelling driving mechanism 53 so as to drive the frame assembly 1 to move to the next construction position; and fifthly, fixing the frame support legs 12 with the steel truss girder 8 to finish the movement of the multipoint hoisting arch-climbing crane.

In some preferred embodiments, the multi-point lifting arch climbing crane has a multi-purpose function, including lifting arch rib rods 9 and lifting bridge deck steel beams.

In some preferred embodiments, the multi-point lifting arch climbing crane is arranged at the arch springing when the arch rib rod pieces 9 are lifted, and the arch climbing crane climbs upwards from the arch springing to the arch crown direction section by section, and each climbing of the arch rib rod pieces 9 lifts the next arch rib rod piece 9 until the arch ribs are closed.

In some preferred embodiments, after closure of the arch rib is completed, the climbing arch crane is arranged on the arch top, and climbs downwards from the arch top to the arch foot direction section by section, and each climbing of the arch rib rod pieces 9, the next steel beam section is hoisted until the steel beam is closed.

Referring to fig. 6, in some preferred embodiments, the track beam 52 includes a base 520 and a top beam 521 disposed on the base 520; in the transverse bridge direction, the width of the top beam 521 is larger than that of the base 520; the roller mechanism 51 comprises two end plates 510 respectively arranged at two sides of the track beam 52 and a main wheel 511 assembled between the two end plates 510, the main wheel 511 is in rolling connection with the top beam 521, the side walls of the two end plates 510 corresponding to the base 520 are also provided with auxiliary wheels 512, and the auxiliary wheels 512 are positioned below the top beam 521 and are in rolling connection with the top beam 521. By the cooperation of the main wheel 511 and the auxiliary wheel 512, the rail beam 52 can be ensured to be lifted and lowered together with the roller mechanism 51.

Referring to fig. 1, in some preferred embodiments, the frame leg 12 is provided with a spacer 6 and a pushing mechanism 7, the frame leg 12 is fixed to the erected steel truss beam 8 by the spacer 6, and the pushing mechanism 7 is assembled to the frame leg 12 and used for lifting to take out the spacer 6. The spacer 6 and the pushing mechanism 7 are provided to more conveniently disengage the rail beam 52 from the steel girder 8 so as to smoothly complete the fourth step.

Referring to fig. 7, the frame cross beam 11 is further provided with an anchor 13 to anchor the frame assembly 1 to the steel truss beam 8 to prevent the multipoint lifting arch-climbing crane from overturning.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this 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. Moreover, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the 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

1. The utility model provides a multipoint lifts by crane and climbs arch loop wheel machine which characterized in that, it includes:

a frame assembly (1);

the lifting point longitudinal movement assembly (2) comprises a longitudinal movement driving mechanism (20) and a longitudinal movement beam (21) which are all assembled on the frame assembly (1), wherein the longitudinal movement driving mechanism (20) is connected with the longitudinal movement beam (21) and is used for driving the longitudinal movement beam (21) to longitudinally move on the frame assembly (1);

the lifting point transverse moving assembly (3) comprises a transverse moving driving mechanism (30) and a transverse moving beam (31) which are all assembled on the longitudinal moving beam (21), wherein the transverse moving driving mechanism (30) is connected with the transverse moving beam (31) and is used for driving the transverse moving beam (31) to transversely move on the longitudinal moving beam (21);

the hoisting assembly comprises at least two hoisting subassemblies (4), wherein the hoisting subassemblies (4) comprise a coiling and uncoiling device (40) assembled on the frame assembly (1), a pulley block (41) assembled on the transverse beam (31) and a lifting hook (42) positioned below the transverse beam (31), and a lifting rope (43) of the coiling and uncoiling device (40) winds the pulley block (41) and is connected to the lifting hook (42);

at least two sets of machine frame supporting leg groups which are longitudinally arranged at intervals are arranged at the bottom of the machine frame assembly (1);

the multipoint lifting arch-climbing crane further comprises at least two sets of traveling assemblies (5), and the traveling assemblies (5) are arranged at the bottom of the frame assembly (1) in a group mode;

the running assembly (5) comprises:

-a lifting mechanism, the top of which is assembled on the frame assembly (1), and the bottom of which is connected with a running leg (50);

-a track beam (52);

-a roller mechanism (51) arranged on the walking leg (50) and in rolling connection with the track beam (52), the roller mechanism (51) being capable of driving the track beam (52) to rise and fall under the drive of the lifting mechanism;

-a running drive mechanism (53), both ends of the running drive mechanism (53) are respectively and rotatably connected with the running support leg (50) and the track beam (52), and the running drive mechanism is used for driving the track beam (52) and the roller mechanism (51) to move relatively along the longitudinal direction.

2. The multipoint lifting arch-climbing crane according to claim 1, wherein: the lifting sub-assembly (4) further comprises a guide wheel set, the guide wheel set comprises a plurality of guide wheels (44) respectively arranged on the frame assembly (1), the longitudinal moving beam (21) and the transverse moving beam (31), and the lifting rope (43) sequentially winds around each guide wheel (44) and is connected to the lifting hook (42) through the pulley set (41).

3. The multipoint lifting arch-climbing crane according to claim 1, wherein:

the longitudinal moving beams (21) comprise at least two longitudinal moving sub-beams (210) which are longitudinally arranged at intervals, and the two adjacent longitudinal moving sub-beams (210) are connected through a connecting system (211);

the transverse beam (31) is arranged on the longitudinal sub-beam (210), and the transverse driving mechanism (30) is arranged on the longitudinal sub-beam (210) in a group.

4. The multipoint lifting arch-climbing crane according to claim 1, wherein: the lifting sub-assembly (4) can longitudinally and transversely move through the lifting point longitudinal moving assembly (2) and the lifting point transverse moving assembly (3), can relatively and independently move and can also link, meanwhile, the component is lifted together by the plurality of lifting sub-assemblies (4) in the lifting process, and the space height position of the lifting hook (42) can be independently adjusted by the single lifting sub-assembly (4) through the winding and unwinding device (40), so that the posture and the corresponding position of the component in the lifting process can be conveniently adjusted.

5. The multipoint lifting arch-climbing crane according to claim 1, wherein:

the multi-point lifting arch-climbing crane has a multi-purpose function and comprises a lifting arch rib rod piece (9) and a lifting bridge deck steel girder.

6. The multipoint lifting arch-climbing crane according to claim 5, wherein:

the multi-point lifting arch climbing crane is arranged at the arch foot when the arch rib rod pieces (9) are lifted, the arch climbing crane climbs upwards section by section from the arch foot to the arch crown direction, and each climbing arch rib rod piece (9) lifts the next arch rib rod piece (9) until the arch ribs are closed.

7. The multipoint lifting arch-climbing crane according to claim 6, wherein:

after closure of the arch rib is completed, the climbing arch crane is arranged on the arch top, the climbing arch crane climbs downwards section by section from the arch top to the arch foot direction, and each climbing arch rib rod piece (9) is used for hoisting the next steel girder section until the steel girder is closed.