CN219508390U - Large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure - Google Patents
Large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure Download PDFInfo
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- CN219508390U CN219508390U CN202320232206.1U CN202320232206U CN219508390U CN 219508390 U CN219508390 U CN 219508390U CN 202320232206 U CN202320232206 U CN 202320232206U CN 219508390 U CN219508390 U CN 219508390U
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Abstract
The utility model discloses a large-tonnage self-adaptive double-hoisting-point beam ball-hinge joint connecting structure, which comprises a beam, a steering pulley, a connecting component, a pulley block and a positioning mechanism, wherein the steering pulley is arranged at the top and the side edge of the beam, a steel wire rope of a winch passes through the steering pulley and turns along with the rotation of the steering pulley; the fixed pulley block is arranged at the top and the side edge of the cross beam, and the steel wire rope diverted through the diverting pulley is guided into the fixed pulley block; one end of the connecting component is arranged at the bottom of the cross beam, and the other end of the connecting component is connected with the pulley block; the positioning mechanism is installed at the bottom of the cross beam through the spherical hinge connection and is used for driving the cross beam to transversely move/longitudinally move.
Description
Technical Field
The utility model relates to the field of steel beam hoisting connecting devices. More particularly, the utility model relates to a large-tonnage self-adaptive double-lifting-point beam ball-hinge joint connecting structure.
Background
The spanning type development of the traffic engineering in China is commonly used in road bridge construction, for example, when roads pass through rivers, lakes, seas, railways, valleys and other geological conditions are complex or have higher limit requirements, the cable-stayed bridge is often adopted to reduce investment cost and construction difficulty. In recent years, with the development of science and technology, cable-stayed bridges are adopted by highway and railway bridges, and spans are larger and larger, for example, river-crossing bridges and sea-crossing bridges are built in a cable-stayed mode. In the prior art, a bridge deck crane is generally used for hoisting a steel box girder of a bridge, but because the tonnage and the size of the box girder are larger, in order to ensure the stress balance of the bridge deck crane, multi-hoisting point hoisting is often used. In the whole installation process, the requirements on the butt joint precision of the steel beams for cantilever hoisting are higher and higher, and the stability requirements on the motions of the steel beams in all directions such as transverse movement, longitudinal movement and the like are higher. However, the current common hoisting facilities cannot meet the requirements.
Disclosure of Invention
To achieve these objects and other advantages and in accordance with the purpose of the utility model, as embodied and broadly described herein, a preferred embodiment of the utility model provides a large tonnage adaptive double hoisting point beam ball hinge joint connection including a beam, a diverting pulley, a connection assembly, a pulley block, and a positioning mechanism, wherein,
the steering pulley is arranged at the top and the side of the beam, a steel wire rope of the winch passes through the steering pulley, and the steel wire rope of the winch turns along with the rotation of the steering pulley;
the pulley block is arranged at the bottom and the side edges of the cross beam, and the steel wire rope diverted through the diverting pulley is led into the pulley block;
one end of the connecting component is arranged at the bottom of the cross beam, and the other end of the connecting component is connected with the pulley block;
the positioning mechanism is connected and installed at the bottom of the cross beam through a spherical hinge and is used for driving the cross beam to move transversely/longitudinally.
Preferably, in the large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure, the pulley block comprises a movable pulley block and a fixed pulley block, the movable pulley block comprises a plurality of movable pulleys, and the fixed pulley block comprises a plurality of fixed pulleys.
Preferably, in the large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connection structure, the movable pulleys in the movable pulley block and the fixed pulleys in the fixed pulley block are consistent in number, correspond to one another and correspond to the same steel wire rope, the fixed pulley block is arranged at the bottom and the side edge of the beam, one end of the steel wire rope which is diverted through the diverting pulley firstly passes through one of the movable pulleys and then passes through the corresponding fixed pulley, and a lifting appliance is connected below the movable pulley so as to connect the steel beam to be moved.
Preferably, in the large-tonnage self-adaptive double-lifting-point beam ball hinge joint connecting structure, the pulley support seat is further arranged at the bottom and the side edges of the beam and used for installing the fixed pulley block.
Preferably, in the large-tonnage self-adaptive double-lifting-point beam ball hinge joint connecting structure, the supporting wheels are further arranged at the top of the beam and used for supporting the steel wire rope.
Preferably, in the large-tonnage self-adaptive double-lifting-point beam ball hinge node connecting structure, the positioning mechanism is connected with an oil cylinder, and the transverse movement/longitudinal movement is realized under the driving of the oil cylinder.
The utility model at least comprises the following beneficial effects: the spherical hinge connecting device is used for connecting the cross beam and the adjusting mechanism, can meet the action stability requirements of the steel beam in all directions such as transverse movement, longitudinal movement and the like, can also meet the stress requirements, greatly improves the butt joint precision of the steel box girder, and improves the working efficiency and the installation precision.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a front view of a large tonnage self-adaptive double hoisting point beam ball hinge joint connection structure of the present utility model.
FIG. 2 is a top view of a large tonnage adaptive double hoisting point beam ball hinge joint connection structure according to the present utility model.
Fig. 3 is A-A view of fig. 1.
Fig. 4 is a view B-B of fig. 1.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1-4, a preferred embodiment of the present utility model provides a large tonnage adaptive double hoisting point beam ball hinge joint connection comprising a beam 1, a diverting pulley 3, a connection assembly 4, a pulley block and a positioning mechanism 8, wherein,
the steering pulley 3 is arranged at the top and at the side of the beam 1, the steel wire rope of the winch passes through the steering pulley 3, and the steel wire rope of the winch turns along with the rotation of the steering pulley 3;
one end of the connecting component 4 is arranged at the bottom of the cross beam 1, and the other end of the connecting component is connected with the pulley block;
the pulley block is arranged at the bottom and the side of the beam 1, and the steel wire rope diverted through the diverting pulley is led into the pulley block;
the positioning mechanism 8 is installed at the bottom of the cross beam 1 through a spherical hinge connection and is used for driving the cross beam to move transversely/longitudinally; the positioning mechanism 8 is an adjusting mechanism of the crane, and can realize transverse movement or longitudinal movement, so that the positioning and the installation of the steel beam are realized.
In the above embodiment, the beam 1 is used as a main component and is a main force transmission component, and is connected with the positioning mechanism 8 of the external crane through a spherical hinge, the local surface of the beam 1 is an arc surface, the spherical hinge is used for connection, and compared with a plane, the arc surface greatly increases the contact area between the beam 1 and the adjusting mechanism, so that the force transmission effect between the beam 1 and the adjusting mechanism is better, and the spherical hinge connection releases the transverse constraint of the beam, so that the two ends of the beam can be adaptively adjusted when the stress is uneven. The lifting and butt joint work of the steel beam can be safely and accurately realized in the whole steel beam assembling process. Greatly improves the construction efficiency and the construction safety.
The diverting pulley 3 is mainly used for changing the direction of the steel wire of the hoist to change the steel wire rope of the hoist from the previous longitudinal direction to the vertical direction. And lifting or lower steel beams are facilitated.
In another preferred embodiment, the pulley block comprises a fixed pulley block 5 and a movable pulley block 6, the movable pulley block 5 comprises a plurality of movable pulleys, and the fixed pulley block 5 comprises a plurality of fixed pulleys. The movable pulleys in the movable pulley block 6 are consistent in number with the fixed pulleys in the fixed pulley block 5, correspond to one another and correspond to the same steel wire rope, the fixed pulley block 5 is installed at the bottom and the side edge of the cross beam, one end of the steel wire rope which is diverted through the diverting pulley 3 firstly passes through one of the grooves of the movable pulleys and then passes through the corresponding groove of the fixed pulley, and a lifting appliance is connected below the movable pulleys so as to connect the steel beam to be moved.
The movable pulley is not fixedly arranged, but is arranged in the steel wire rope in a pocket, the lower part of the movable pulley is connected with the lifting appliance, and the movable pulley moves along with the pulled object. The pulley block adopts the mode that movable pulley and fixed pulley combine, and the cooperation of fixed pulley group and movable pulley is used, can reduce single wire rope's atress and be favorable to wire rope's atress, more be favorable to wire rope's atress to be convenient for safer promotion or the girder steel of transferring.
In another preferred embodiment, the device further comprises pulley support seats 7 which are arranged at the bottom and at the side edges of the cross beam 1 and are used for installing the fixed pulley blocks 5;
in another preferred embodiment, the hoisting machine further comprises the riding wheel 2 which is arranged at the top of the cross beam 1 and is mainly used for bearing the steel wire rope when the steel wire rope of the hoisting machine is not stressed, so that the steel wire rope is prevented from falling on the ground.
In another preferred embodiment, the positioning mechanism 8 is connected to an oil cylinder, and the transverse movement/longitudinal movement is realized under the drive of the oil cylinder.
The following provides specific embodiments:
step 1: the riding wheel 2 on the beam 1 lifts the hoist wire rope and then guides the wire rope to the diverting pulley 3 on the beam.
Step 2: the diverting pulley 3 on the cross beam 1 diverts the hoisting machine's wire rope to the vertical direction.
Step 3: the turned steel wire rope winds into the fixed pulley block 5 of the cross beam 1, and the fixed pulley block 5 and the movable pulley block 6 are matched for use, so that the stress of a single steel wire rope can be reduced, and the stress of the steel wire rope is facilitated.
Step 4: the steel wire ropes which bypass the fixed pulley block 5 and the movable pulley block 6 are wound on pulleys of the lifting appliance, and the steel wire ropes are utilized to realize lifting of the steel beam.
Step 5: the beam 1 is connected with a lower positioning mechanism 8 by utilizing a spherical hinge, the positioning mechanism 8 utilizes an oil cylinder to realize transverse and longitudinal movement and drive the movement of an upper beam so as to realize the accurate positioning of the steel beam, thereby realizing the accurate butt joint of the steel beam. And (5) finishing the erection work of the steel beam.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A large-tonnage self-adaptive double-lifting-point beam ball hinge joint connecting structure is characterized by comprising a beam, a steering pulley, a connecting component, a pulley block and a positioning mechanism, wherein,
the steering pulley is arranged at the top and the side of the beam, a steel wire rope of the winch passes through the steering pulley, and the steel wire rope of the winch turns along with the rotation of the steering pulley;
the pulley block is arranged at the bottom and the side edges of the cross beam, and the steel wire rope diverted through the diverting pulley is led into the pulley block;
one end of the connecting component is arranged at the bottom of the cross beam, and the other end of the connecting component is connected with the pulley block;
the positioning mechanism is connected and installed at the bottom of the cross beam through a spherical hinge and is used for driving the cross beam to move transversely/longitudinally.
2. The large tonnage self-adaptive double hoisting point beam ball hinge joint connection structure according to claim 1, wherein the pulley block comprises a movable pulley block and a fixed pulley block, the movable pulley block comprises a plurality of movable pulleys, and the fixed pulley block comprises a plurality of fixed pulleys.
3. The large-tonnage self-adaptive double-hoisting-point beam ball-hinge joint connection structure according to claim 2, wherein the movable pulleys in the movable pulley block and the fixed pulleys in the fixed pulley block are consistent in number, correspond to one another and correspond to the same steel wire rope, the fixed pulley block is arranged at the bottom and the side edge of the beam, one end of the steel wire rope diverted through the diverting pulley passes through one of the movable pulleys first and then passes through the corresponding fixed pulley, and a lifting appliance is connected below the movable pulley so as to connect the steel beam to be moved.
4. The large tonnage adaptive double hoisting point beam ball hinge joint connection according to claim 2, further comprising pulley support mounts mounted at the bottom and sides of the beam for mounting the fixed pulley block.
5. The large tonnage adaptive double hoisting point beam ball hinge joint connection according to claim 1, further comprising a riding wheel mounted on top of the beam for supporting a wire rope.
6. The large-tonnage self-adaptive double-lifting-point beam ball hinge joint connection structure according to claim 1, wherein the positioning mechanism is connected to an oil cylinder, and is driven by the oil cylinder to realize transverse movement/longitudinal movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232206.1U CN219508390U (en) | 2023-02-16 | 2023-02-16 | Large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232206.1U CN219508390U (en) | 2023-02-16 | 2023-02-16 | Large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508390U true CN219508390U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320232206.1U Active CN219508390U (en) | 2023-02-16 | 2023-02-16 | Large-tonnage self-adaptive double-hoisting-point beam ball hinge joint connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219508390U (en) |
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2023
- 2023-02-16 CN CN202320232206.1U patent/CN219508390U/en active Active
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