CN206735623U - Framework of steel reinforcement hanging apparatus - Google Patents

Description

Steel frame hoisting device

technical field

The utility model relates to the field of box girder hoisting, in particular to a box girder steel frame hoisting device.

Background technique

In recent years, with the rapid development of construction industries such as high-speed railways and highways in my country, in order to ensure the long-term stability of track engineering, the construction standards of track engineering have become higher and higher, and the construction quality requirements have become more and more stringent.

As the main structure of track engineering, bridge structure is widely used. Bridge construction requires the use of reinforced concrete box girders. The reinforced concrete box girders are divided into prefabricated box girders and cast-in-place box girders. During the construction of prefabricated box girders, the steel bar binding is generally completed on the base of the box girder, and then the bound steel cage is hoisted into the mold as a whole, and the concrete is poured. After the steel bars are bound as a whole, they are bulky and heavy. During the hoisting process, the force on the steel bar skeleton is unbalanced, and the steel bar skeleton is easily deformed, affecting the construction progress and causing unnecessary losses.

Therefore, how to avoid the deformation of the steel frame during the overall hoisting process is a problem to be solved.

Utility model content

The utility model provides a steel bar skeleton hoisting device to solve the technical problem that the steel bar skeleton is easily deformed during the hoisting process of the existing hoisting tools.

The technical scheme that the utility model adopts is as follows:

A steel frame hoisting device, the device includes: a main girder used to connect with hoisting equipment, two sub-beams parallel to the main girder are arranged under the main girder, the two sub-beams are arranged symmetrically with respect to the main girder, and the gap between the two sub-beams There are multiple beams at intervals, multiple struts between the main beam and two sub-beams, multiple suspension rings at intervals on the upper surface of the main beam, and multiple hooks connected to the steel skeleton on the lower surface of the sub-beam , the hoisting ring is threaded with a wire rope for connecting with hoisting equipment and adjusting the hoisting center.

Further, the struts include: a first strut located between the main beam and the sub-beam, the end of the first strut on the side of the sub-beam is located at the position where the sub-beam is connected to the cross beam, and the two adjacent first struts The rods are arranged in parallel.

Further, the strut further includes: a second strut disposed between two adjacent first struts, and the two adjacent second struts are arranged symmetrically with respect to the adjacent first struts.

Further, the hook is arranged at the junction of the sub-beam and the crossbeam, and the hook and the crossbeam are connected by an iron chain.

Further, the subframe is welded and fixed to the crossbeam.

Further, both the main girder and the auxiliary girder are made of square steel.

Further, the beam is made of channel steel.

Further, both the first pole and the second pole are made of steel bars.

Further, the main beam is provided with fasteners for fixing the suspension rings.

Further, the two ends of the steel wire rope are provided with rope sleeves connected with suspension rings.

The utility model has the following beneficial effects:

The steel frame hoisting device of the utility model, the hoisting device includes a main girder connected with the hoisting equipment, and two sub-beams parallel to the main girder are arranged under the main girder, and a plurality of beams are arranged between the two sub-beams, and the main girder It is connected with the sub-beam through a support rod. There are multiple hooks connected to the steel frame under the sub-beam. There are multiple lifting rings on the upper surface of the main beam for connecting with lifting equipment. Between the lifting rings, there are The wire rope, the hook of the lifting equipment is connected with the wire rope, and the force point and center of gravity of the hoisting device can be adjusted by adjusting the force point of the wire rope and the hook of the hoisting equipment, so that the force of the hoisting device is balanced to facilitate lifting. There are multiple hooks connected with the steel frame to further balance the stress on the steel frame and avoid deformation of the steel frame during hoisting.

In addition to the purposes, features and advantages described above, the present invention has other purposes, features and advantages. Below with reference to accompanying drawing, the utility model is described in further detail.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 is the schematic diagram of the steel frame hoisting device of the preferred embodiment of the present invention;

Fig. 2 is another schematic diagram of the steel frame hoisting device of the preferred embodiment of the present invention.

Explanation of reference numbers:

10. Main beam; 11. Ring; 20. Subbeam; 21. Hook; 30. Beam;

40, pole; 41, the first pole; 42, the second pole;

50, wire rope.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

With reference to Fig. 1 and Fig. 2, the preferred embodiment of the present utility model provides a kind of steel frame hoisting device, and this steel bar frame hoisting device comprises: the main girder 10 that is used for being connected with hoisting equipment, below the main girder 10 is provided with main girder 10 parallel two sub-beams 20, the two sub-beams 20 are arranged symmetrically with respect to the main girder 10, a plurality of beams 30 are arranged at intervals between the two sub-beams 20, and multiple beams 30 are arranged between the main girder 10 and the two sub-beams 20 A support rod 40, the upper surface of the main beam 10 is provided with a plurality of suspension rings 11 at intervals, the lower surface of the sub-beam 20 is provided with a plurality of hooks 21 connected to the steel bar skeleton, and the suspension rings 11 are provided with hoisting equipment for connecting and adjusting lifting Steel wire rope 50 in the center.

In this embodiment, a plurality of crossbeams 30 are evenly spaced between the two subbeams 20, and the subbeams 20 and the crossbeams 30 are welded and fixed, and hooks 21 are provided at the places where they are connected, so as to be connected with the steel skeleton. Make the reinforced skeleton evenly stressed; in addition, by setting a plurality of suspension rings 11 at intervals on the upper surface of the main girder 10, the steel wire rope 50 passes through at least two suspension rings 11, and the hook of the lifting equipment is connected with the steel wire rope 50. By adjusting the steel wire rope 50 and the hoisting The force point of the equipment hook is used to adjust the stress point and center of gravity of the steel frame, so that the force of the hoisting device is balanced to facilitate lifting. In addition, a plurality of hooks 21 connected to the steel frame are provided on the sub-beam 20 to further make the steel frame The force is balanced to avoid deformation of the steel skeleton during hoisting.

Preferably, the strut 40 includes: a first strut 41 located between the main beam 10 and the sub-beam 20 , the end of the first strut 41 on the side of the sub-beam 20 is located at the position where the sub-beam 20 is connected to the cross beam 30 , Two adjacent first struts 41 are arranged in parallel.

In this embodiment, the first struts 41 are arranged vertically to the main beam 10 and the sub-beam 20 respectively, and two adjacent first struts 41 are arranged in parallel.

Preferably, the strut 40 further includes: a second strut 42 disposed between two adjacent first struts 41 , the two adjacent second struts 42 are relative to the adjacent first strut 41 Symmetrical setting.

In this embodiment, the second struts 42 are provided at the diagonal positions of the two adjacent first struts 41 , and the two adjacent second struts 42 are located between the two second struts 42 . The first struts 41 are arranged symmetrically, and the first struts 41 and the second struts 42 are arranged between the main girder 10 and the sub-girder 20 to connect the main girder 10 and the sub-girder 20 to increase the rigidity of the steel frame hoisting device.

Optionally, the hook 21 is arranged at the position where the sub-beam 20 is connected to the cross-beam 30, and the hook 21 and the cross-beam 30 are connected by an iron chain. By evenly setting the hooks 21 on the sub-beam 20, the force on the reinforcement skeleton is uniform, and the strength of the reinforcement is improved. The balance performance of skeleton hoisting device connects hook 21 and crossbeam 30 with iron chain in addition, to increase the bearing weight of hook 21.

Preferably, in the steel frame hoisting device provided in this embodiment, the main girder 10 and the sub-beam 20 are made of square steel, which increases the rigidity of the steel frame hoisting device. It can be seen from tests that the square steel with a specification of 80*80*3.5cm is used The effect is best when the beam 30 is made of 5# channel steel, and the first support rod 41 and the second support rod 42 are made of HRB400 and Φ16 steel bars, and the effect is the best. out of shape.

Preferably, the main beam 10 is provided with fasteners for fixing the suspension ring 11 . In this embodiment, the upper surface of the main girder 10 is provided with an engaging part matched with the suspension ring 11, so that the suspension ring 11 is fixed on the main girder 10, and the main girder 10 is conveniently connected with the hoisting equipment.

Preferably, both ends of the steel wire rope 50 are provided with rope sleeves for easy connection with the suspension ring 11 . In this embodiment, the lifting center of gravity of the steel frame hoisting device is adjusted by adjusting the stress point of the steel wire rope 50 and the hook of the hoisting equipment.

It can be known from the above description that the steel frame hoisting device of the present invention includes a main girder connected with the hoisting equipment, and two sub-beams parallel to the main girder are arranged under the main girder. There are multiple beams, the main beam and the sub-beam are connected by struts, there are multiple hooks connected to the steel frame under the sub-beam, and there are multiple hooks on the upper surface of the main beam for connecting with the lifting equipment. Lifting rings, wire ropes are passed between the rings, and the hooks of the lifting equipment are connected to the wire ropes. By adjusting the force points of the wire ropes and the hooks of the lifting equipment, the force point and center of gravity of the lifting device are adjusted to balance the force of the lifting device for easy lifting. , In addition, by setting a plurality of hooks connected with the steel frame on the sub-beam, the force of the steel frame is further balanced, and the deformation of the steel frame during hoisting is avoided.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A kind of 1. framework of steel reinforcement hanging apparatus, it is characterised in that including：

   For be connected with hanging device girder (10), be provided with two auxiliary girders (20) in parallel below the girder (10), Two auxiliary girders (20) are symmetrical arranged on the girder (10), and multiple crossbeams are interval between two auxiliary girders (20) (30) multiple poles (40), the upper surface of the girder (10), are provided between the girder (10) and two auxiliary girders (20) Multiple suspension ring (11) are interval with, the lower surface of the auxiliary girder (20) is provided with multiple hooks (21) being connected with framework of steel reinforcement, institute State suspension ring (11) and be equipped with steel wire rope (50) for lifting center to be connected and adjusted with the hanging device.
2. 2. framework of steel reinforcement hanging apparatus according to claim 1, it is characterised in that

   The pole (40) includes：The first pole (41) between the girder (10) and the auxiliary girder (20), described One pole (41) is located at the position that the auxiliary girder (20) is connected with the crossbeam (30), phase located at the end of the auxiliary girder (20) side Two adjacent the first poles (41) be arranged in parallel.
3. 3. framework of steel reinforcement hanging apparatus according to claim 2, it is characterised in that

   The pole (40) also includes：The second pole (42) between two adjacent the first poles (41), adjacent two Individual second pole (42) is symmetrical arranged on first pole (41) adjacent thereto.
4. 4. framework of steel reinforcement hanging apparatus according to claim 1, it is characterised in that

   The hook (21) is arranged on the junction of the auxiliary girder (20) and the crossbeam (30), the hook (21) and the horizontal stroke Beam (30) connects through iron chains.
5. 5. framework of steel reinforcement hanging apparatus according to claim 1, it is characterised in that

   The auxiliary girder (20) is welded and fixed with the crossbeam (30).
6. 6. according to any described framework of steel reinforcement hanging apparatus of claim 1-5, it is characterised in that

   The girder (10) and the auxiliary girder (20) are made of square steel.
7. 7. framework of steel reinforcement hanging apparatus according to claim 6, it is characterised in that

   The crossbeam (30) is made of channel-section steel.
8. 8. framework of steel reinforcement hanging apparatus according to claim 3, it is characterised in that

   First pole (41) and the second pole (42) are made of reinforcing bar.
9. 9. framework of steel reinforcement hanging apparatus according to claim 6, it is characterised in that

   The girder (10) is provided with the fastener for being used for fixing the suspension ring (11).
10. 10. framework of steel reinforcement hanging apparatus according to claim 6, it is characterised in that

    The steel wire rope (50) is provided at both ends with the rope sling being connected with the suspension ring (11).