CN216785442U

CN216785442U - Multipoint hoisting device for steel truss arch bridge

Info

Publication number: CN216785442U
Application number: CN202123239410.6U
Authority: CN
Inventors: 舒恩; 郑玉明; 韦武宗; 王振忠; 汤孟建; 李宗文; 吴昌红; 曹洋洋
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-21
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a technical field of steel purlin arch bridge hoist and mount construction, the condition that rocks takes place easily when hoist and mount steel purlin arch bridge to two sets of hoists on the crane ship, a steel purlin arch bridge multiple spot hoist device is proposed, including setting up two sets of hoists on the crane boom, be provided with a plurality of union pieces that hang on the hoist, the union piece that hangs on two sets of hoists is connected with the both ends of steel purlin arch bridge respectively, is provided with the connecting piece between the adjacent hoist, the connecting piece both ends can be dismantled with adjacent two sets of hoists respectively and be connected. This application has the difficult effect that rocks that produces of two sets of hoists that make.

Description

Multipoint hoisting device for steel truss arch bridge

Technical Field

The application relates to the field of hoisting construction of steel truss arch bridges, in particular to a multipoint hoisting device for a steel truss arch bridge.

Background

In the related technology, the steel truss arch bridge comprises two groups of main beams which are arranged in parallel, arc-shaped beams with downward openings are arranged above the main beams, and a plurality of stiffening beams are connected between every two adjacent groups of arc-shaped beams. The steel truss arch bridge is transported to a set water area by a transport ship after prefabrication is completed, and then is hoisted by a crane ship.

In order to make the hoisting process more stable, two groups of independent double-hook hoists are arranged on the hoisting wall of the crane ship, and slings are arranged on the hoists.

In view of the above related technologies, the inventor thinks that there is a defect that two independent lifting appliances are prone to sway during the lifting process, which results in the lifted steel truss arch bridge swaying therewith, and brings certain potential safety hazards to the lifting of the steel truss arch bridge, so that there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition that two sets of hoists take place to rock easily at the hoist and mount in-process, this application provides a steel purlin arch bridge multiple spot hoist device.

The application provides a pair of steel purlin arch bridge multiple spot hoist device adopts following technical scheme:

the utility model provides a steel purlin arched bridge multiple spot hoist device, is including setting up two sets of hoists on the jib loading boom, be provided with a plurality of connector of hanging on the hoist, it is two sets of the connector of hanging on the hoist is connected with steel purlin arched bridge's both ends respectively, and is adjacent be provided with the connecting piece between the hoist, the connecting piece both ends can be dismantled with two sets of hoists respectively and be connected.

Through adopting above-mentioned technical scheme, can dismantle the connection on adjacent two sets of hoists through the both ends of connecting piece for two sets of independent hoists can connect into a whole, make adjacent two sets of hoists difficult emergence in hoisting process rock, and then be favorable to reducing two sets of hoists and take place to rock in hoisting process, lead to the steel truss arch bridge to take place the condition of rocking, make the hoist and mount of steel truss arch bridge more steady.

Preferably, the connecting piece comprises an annular rope, and two ends of the annular rope are respectively hooked on the hooks of the adjacent lifting appliances.

Through adopting above-mentioned technical scheme, when hoist and mount suspension bridge, transfer two sets of hoists earlier, establish annular rope both ends respectively on the couple of two sets of hoists, alright realize the connection of two sets of hoists, this simple structure is convenient and the practicality is strong.

Preferably, the connecting piece includes the support member, the support member both ends all are provided with the connecting rod, the connecting rod all is provided with the chain, the one end that the connecting rod was kept away from to the chain all is provided with the spacing ring, and is two sets of the spacing ring colludes respectively on the couple of two sets of hoists.

By adopting the technical scheme, the two groups of limiting rings are respectively sleeved on the hooks of the two groups of lifting appliances, so that the two groups of lifting appliances can be limited to move relatively, and the connection of the adjacent lifting appliances is simpler and more convenient.

Preferably, the support rod piece comprises a threaded rod which is connected with one end of the threaded sleeve through a threaded sleeve in a coaxial threaded manner, and the two groups of connecting rods are respectively connected with one end, far away from the threaded rod and the threaded sleeve, of the threaded sleeve in a coaxial rotating manner.

Through adopting above-mentioned technical scheme, when the specification of two sets of hoists changed, the accessible fixed thread sleeve rotated the threaded rod in order to adjust the length of support member, and then adjusted the distance between two sets of spacing rings for two sets of spacing rings can cup joint better on the couple of adjacent hoist, are favorable to enlarging the application range of connecting piece.

Preferably, the hoisting connection piece comprises two sets of slings connected to the hoisting tool, the two sets of slings are in one-to-one correspondence with the two sets of main beams of the steel truss arch bridge respectively, and one ends, far away from the hoisting tool, of the slings are connected with the corresponding main beams respectively.

By adopting the technical scheme, the two sets of slings on the lifting appliance are respectively connected with the two sets of main beams, so that the subsequent lifting appliance is not easy to incline in a large range when lifting the steel truss arch bridge through the lifting and connecting piece, and the steel truss arch bridge can be lifted more stably by the two sets of lifting appliances.

Preferably, the hoist cable includes the annular wire rope of articulate on the couple of hoist, annular wire rope bottom all is connected with flexible annular suspender through bow-shaped shackle, the one end that annular wire rope was kept away from to flexible annular suspender is connected with the girder that corresponds.

By adopting the technical scheme, the flexible annular slings are firstly connected to the corresponding main beams during hoisting, the characteristic of large deformation of the flexible annular slings is utilized, the flexible annular slings on the two groups of main beams firstly bypass the top end of the arc-shaped beam on one side of the annular arch bridge and hang on the outer side of the steel truss arch bridge, the two groups of annular steel wire ropes are firstly buckled on the hooks of the slings, the slings are put down to one side of the steel truss arch bridge with the flexible annular slings, and then the two groups of flexible annular slings are connected with the corresponding annular steel wire ropes, so that the connection between the slings on the two groups of main beams and the slings can be realized, compared with the traditional condition that the slings are connected in a narrow operation space between the two groups of arc-shaped beams, the slings on the two groups of flexible annular slings can be firstly hung on one side of the steel truss arch bridge, then the annular steel wire ropes on the slings are connected with the annular flexible annular sling, so that the slings on the two groups of main beams and the slings can be connected with the slings, the working space is enlarged when the sling is installed, and the installation of the sling is convenient.

Preferably, the periphery of the flexible annular sling is wrapped with a protective sleeve.

Through adopting above-mentioned technical scheme, through the setting of protective sheath, utilize the protective sheath to form the parcel protection to flexible annular suspender, when being favorable to reducing to wear to establish flexible annular suspender, the condition that flexible annular suspender and steel purlin arched bridge take place the friction and lead to flexible annular suspender wearing and tearing.

Preferably, one end, far away from the main beam, of the flexible annular sling is detachably connected with a connecting rope, and the connecting rope is used for being bound with the main beam.

By adopting the technical scheme, after the flexible annular sling is wound around the top end of the arc-shaped beam, one end, far away from the main beam, of the connecting rope is bound on the main beam, so that the position of the flexible belt is fixed, the flexible annular sling can be hung on one side of the steel truss arch bridge better, and the subsequent flexible annular sling can be conveniently connected with the annular steel wire rope.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two ends of the connecting piece are respectively detachably connected with the two groups of lifting appliances, so that the integration of the two groups of lifting appliances is improved, the two groups of lifting appliances are not easy to shake, and the two lifting appliances can stably lift the steel truss arch bridge;

2. the connecting piece comprises an annular rope, and two ends of the annular rope are respectively connected to hooks of the two groups of lifting appliances in a hanging mode, so that the two groups of lifting appliances can be limited from shaking.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic diagram of the embodiment for illustrating the structure of the flexible loop-shaped sling hanging on the arc beam.

FIG. 4 is a schematic structural diagram of the embodiment for illustrating the connection.

Description of reference numerals:

1. a steel truss arch bridge; 11. a main beam; 12. an arc beam; 121. an ear plate; 2. a spreader; 21. hooking; 3. a sling; 30. bow shackle; 31. an annular wire rope; 32. a flexible loop strap; 33. connecting ropes; 4. a looped rope; 5. supporting the rod member; 51. a threaded sleeve; 52. a threaded rod; 6. a connecting rod; 61. a chain; 62. a limit ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, the steel truss arch bridge includes two groups of main beams 11 arranged in parallel, arc beams 12 with downward openings are erected on the main beams 11, and reinforcing beams are arranged between the arc beams 12.

The embodiment of the application discloses a multipoint hoisting device for a steel truss arch bridge, which comprises two groups of hoists 2 arranged on a hoisting wall, wherein in the embodiment, the hoists 2 are double-hook hoists 2; all be provided with two sets of hangers pieces on hoist 2, the hanger pieces on two sets of hoists 2 are connected with the both ends of steel purlin arch bridge 1 respectively, still are provided with the connecting piece between two sets of hoists 2, and the connecting piece both ends can be dismantled with two sets of hoists 2 respectively and be connected, utilize the connecting piece to connect adjacent hoist 2, are favorable to improving the wholeness of two sets of hoists 2 for two sets of hoists 2 are difficult for producing at the hoist and mount in-process and rock.

Referring to fig. 1 and 2, the connecting member includes an annular rope 4 disposed between two sets of hangers 2, in this embodiment, the annular rope 4 is a steel wire rope, and two ends of the annular rope 4 are respectively sleeved on hooks 21 of the two sets of hangers 2, so as to connect the two sets of hangers 2, and the structure is simple and easy to operate.

Referring to fig. 1 and 2, the hanging part includes two sets of slings 3 hanging on hooks 21 of the lifting appliance 2, the two sets of slings 3 are respectively in one-to-one correspondence with two sets of main beams 11 of the steel truss arch bridge 1, and one ends of the slings 3 far away from the lifting appliance 2 are connected with the corresponding main beams 11, so that the lifting appliance 2 can lift the steel truss arch bridge 1 more stably.

Referring to fig. 1 and 2, the sling 3 includes an annular wire rope 31 hanging on the hook of the sling 2, one end of the annular wire rope 31 far away from the sling 2 is connected with a flexible annular sling 32 through an arch shackle 30, and one end of the flexible annular sling 32 far away from the annular wire rope 31 is connected with the corresponding main beam 11. Through the arrangement, after the prefabrication of the steel truss arch bridge 1 is completed, the flexible annular hanging strips 32 are connected to the corresponding main beams 11, then the flexible annular hanging strips 32 on the two groups of main beams 11 are wound around the top section of the arc-shaped beam 12 on one side of the steel truss arch bridge 1 and hung on the same outer side of the steel truss arch bridge 1, subsequently the lifting appliance 2 is moved to one side of the steel truss arch bridge 1 where the flexible annular hanging strips 32 are hung, the annular steel wire rope 31 is hung on a lifting hook of the lifting appliance 2, the annular steel wire rope 31 is connected with the corresponding flexible annular hanging strips 32 through the bow-shaped shackles 30, and the installation of the lifting cables 3 can be realized; compared with the traditional case of installing the sling 3 on two groups of narrow arc-shaped beams 12. This application utilizes the great characteristics of flexible annular suspender 32 deformability, walks around the arc roof beam 12 top of steel truss arch bridge 1 one side earlier and hangs from the same outside at steel truss arch bridge 1 with flexible annular suspender 32 on two sets of girders 11, is convenient for have bigger working space to connect annular wire rope 31 and flexible annular suspender 32 for the installation of hoist cable 3 is simple and convenient more.

Referring to fig. 1 and 2, the girder 11 is fixed with an ear plate 121 corresponding to the flexible annular hanging strip 32, the ear plate 121 is provided with a through hole, and one end of the flexible annular hanging strip 32, which is far away from the annular steel wire rope 31, is buckled in the through hole through the bow shackle 30, so that the connection and installation of the flexible annular hanging strip 32 and the girder 11 are simpler and more convenient.

Referring to fig. 1 and 2, in this embodiment, flexible annular suspender 32 is the twine, and the protective sheath has all been wrapped up to the periphery of flexible annular suspender 32, and in this embodiment, the protective sheath is the plastic cloth cover, is favorable to reducing wear to establish flexible annular suspender 32 on steel truss arch bridge 1, and flexible annular suspender 32 and steel truss arch bridge 1 take place the condition of friction for flexible annular suspender 32 is difficult for wearing and tearing.

Referring to fig. 1 and 3, the flexible ring-shaped hanging strip 32 can be detachably connected with a connecting rope 33, one end of the connecting rope 33 is bound and fixed at one end of the flexible ring-shaped strip far away from the ear plate 121, and the connecting rope 33 is used for binding and fixing with the main beam 11. The flexible annular hanging strips 32 on the two groups of main beams 11 are wound around the arc-shaped beam 12 on one side of the steel truss suspension bridge and hung on one side of the steel truss arch bridge 1, the connecting ropes 33 at one ends, far away from the main beams 11, of the flexible annular hanging strips 32 are bound on the main beams 11, so that the positions of the flexible annular hanging strips 32 can be temporarily fixed, the flexible annular hanging strips 32 are difficult to slide off the arc-shaped beam 12, and the annular steel ropes 31 are connected with the flexible annular hanging strips 32 conveniently.

The implementation principle of the embodiment of the application is as follows:

the method comprises the following steps: the flexible loop straps 32 are snapped into the through holes of the corresponding ear plates 121 by means of the bow shackles 30, and the process is repeated until all the flexible loop straps 32 are completely installed.

Step two: the flexible annular hanging strips 32 on the two groups of main beams 11 are wound around the top section of the arc-shaped beam 12 on one side of the steel truss arch bridge 1 and hung on the same outer side of the steel truss arch bridge 1. The connecting rope 33 on the flexible ring-shaped hanging strip 32 is moved and tied on the main beam 11

Step three; two groups of lifting appliances 2 are moved to one side of the steel truss arch bridge 1, on which a flexible annular hanging strip 32 is hung, then one end of an annular steel wire rope 31 is hung on a hook 21 of the lifting appliance 2, and then the annular steel wire rope 31 is connected with one end of the flexible annular hanging strip 32, which is far away from an ear plate 121, through an arch shackle 30. The connecting cord 33 is removed from the flexible loop strap 32.

Step four: the two groups of lifting appliances 2 are controlled to ascend through the lifting wall, and then the steel truss arch bridge 1 is lifted.

Example two

The second embodiment is different from the first embodiment in that: referring to fig. 4, the connecting member includes a support rod 5, and both ends of the support rod 5 are coaxially and rotatably connected with a connecting rod 6. The one end that support member 5 was kept away from to connecting rod 6 all is provided with chain 61, and the one end that connecting rod 6 was kept away from to chain 61 all is fixed with spacing ring 62, and the spacing ring 62 at support member 5 both ends cup joints respectively on couple 21 of two sets of hoists 2 for two sets of hoists 2 are difficult for producing and rock.

Referring to fig. 4, the support rod 5 includes threaded sleeve 51, threaded sleeve 51 one end coaxial thread connection has threaded rod 52, two sets of connecting rods 6 rotate respectively and connect in the one end that threaded sleeve 51 and threaded rod 52 kept away from each other, through above setting, when hoist 2 specification changes, accessible fixed threaded rod 52 and rotating threaded sleeve 51 adjust the position of two sets of spacing rings 62 for two sets of spacing rings 62 can cup joint better on the couple 21 of adjacent hoist 2, be favorable to enlarging the application scope of connecting piece.

The implementation principle of the second embodiment is the same as that of the first embodiment, and therefore, the description thereof is omitted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a steel purlin arched bridge multiple spot hoist device which characterized in that: including setting up two sets of hoist (2) on the jib loading boom, be provided with a plurality of parts of hanging on hoist (2), it is two sets of the parts of hanging on hoist (2) are connected with the both ends of steel truss arch bridge respectively, and are adjacent be provided with the connecting piece between hoist (2), the connecting piece both ends can be dismantled with adjacent two sets of hoist (2) respectively and be connected.

2. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 1, wherein: the connecting piece comprises an annular rope (4), and two ends of the annular rope (4) are respectively hooked on the hooks (21) of the adjacent lifting appliances (2).

3. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 1, wherein: the connecting piece is including supporting member (5), supporting member (5) both ends all are provided with connecting rod (6), connecting rod (6) all are provided with chain (61), the one end that connecting rod (6) were kept away from in chain (61) all is provided with spacing ring (62), and is two sets of spacing ring (62) collude respectively on couple (21) of two sets of hoist (2).

4. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 3, wherein: the support rod piece (5) comprises a threaded sleeve (51) and a threaded rod (52) which is connected to one end of the threaded sleeve (51) through coaxial threads, and the two groups of connecting rods (6) are respectively connected to one end, far away from the threaded rod (52) and the threaded sleeve (51), of the threaded rod in a coaxial rotating mode.

5. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 1, wherein: the hoisting part comprises two sets of slings (3) connected to the hoisting tool (2), the slings (3) are in one-to-one correspondence with two sets of main beams (11) of the steel truss arch bridge (1) respectively, and one ends, far away from the hoisting tool (2), of the slings (3) are connected with the corresponding main beams (11) respectively.

6. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 5, wherein: hoist cable (3) are including articulating annular wire rope (31) on couple (21) of hoist (2), annular wire rope (31) bottom all is connected with flexible annular suspender (32) through bow-shaped shackle (30), the one end that annular wire rope (31) were kept away from in flexible annular suspender (32) is connected with girder (11) that correspond.

7. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 6, wherein: the periphery of the flexible annular hanging strip (32) is wrapped with a protective sleeve.

8. The multi-point hoisting device for the steel truss arch bridge as claimed in claim 6, wherein: one end, far away from the main beam (11), of the flexible annular sling (32) can be detachably connected with a connecting rope (33), and the connecting rope (33) is used for being bound with the main beam (11).