CN218809809U - Bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multi-point combined lifting - Google Patents

Abstract

The utility model discloses a bridge prefabricated member reinforcement cage hoist capable of multi-point combined lifting, which comprises a main beam and a suspender; the main beam is composed of two I-beams arranged in parallel up and down; , welded between the two I-beams of the main beam, and arranged at right angles to the main beam; the lower end of the boom is provided with a suspension ring; the middle of the main beam is provided with at least two tie rods; the tie rods are arranged in parallel with the hanger; The "T" bar is locked on the main beam; the "T" bar is placed on both sides of the tie rod, and is fixed on the fixing plate in the middle of the tie rod by a nut; the upper end of the tie rod is provided with lifting lugs. The utility model provides a bridge prefabricated component steel cage hoist that can be hoisted by multi-point combination, which effectively avoids deformation, twisting and skewing of the steel cage during the hoisting process, ensures construction safety and stability, and improves the construction efficiency. The hoisting efficiency is high, and it can be applied to steel cages of different lengths and shapes, with strong applicability.

Description

A bridge prefabricated component steel cage hanger capable of multi-point combined lifting

technical field

The utility model relates to the technical field of bridge construction engineering, in particular to a bridge prefabricated component reinforcement cage hanger capable of multi-point combined lifting.

Background technique

With the popularization of bridge prefabricated assembly construction technology in urban bridge construction, bridge construction is gradually moving towards standardization, unitization, normalization and factoryization. Among them, in the large-scale production of prefabricated columns and cover beams, the steel cage prefabricated parts produced as a whole need to be hoisted as a whole, and transferred to the formwork for pouring into the mold. At present, the hoisting tools used for the hoisting of the existing steel cages are basically: Two-point lifting, such as using two slings or pole beams to hoist the reinforcement cage. When using two slings to hoist, it is generally at the end of the reinforcement cage, and the tail of the reinforcement cage is lifted by a small crane or loader.

The traditional spreader has the following disadvantages when hoisting the steel cage: 1. When hoisting a large-diameter steel cage, it is easy to deform the upper part of the steel cage, thereby causing damage to the steel cage; The phenomenon of inclination occurs, causing the occurrence of safety accidents; 3. The specific specifications of the traditional spreader are only applicable to the specific length of the steel cage, and the practicability is poor.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the utility model provides a bridge prefabricated component steel cage hoist that can be hoisted at multiple points, which effectively avoids deformation, twisting, skewing, etc. of the steel cage during hoisting, and ensures The safety and stability of construction improves the efficiency of hoisting, and it can be applied to steel cages of different lengths and shapes, with strong applicability.

The utility model is achieved through the following technical solutions:

A steel cage hanger for bridge prefabricated components that can be hoisted at multiple points, including a main beam and a suspender; the main beam is composed of two I-beams arranged in parallel up and down; It is welded between the two I-beams of the main beam, and is arranged at right angles to the main beam; the lower end of the boom is provided with a suspension ring; the middle part of the main beam is provided with at least two tie rods; the tie rod and the hanger The rods are arranged in parallel; the tie rods are locked on the main beam by a "T"-shaped rod; the "T"-shaped rods are placed on both sides of the tie rods and fixed on the fixing plate in the middle of the tie rods by nuts; the upper end of the tie rods Lifting lugs are provided; the beneficial effect is that the main beam is composed of two I-beams arranged in parallel up and down, and the suspender is welded between the two I-beams of the main beam, on the one hand, it ensures the stability of the main structure of the spreader. Strength, on the one hand, a slideway space is formed in the middle of the main beam, the pull rod is placed in the slideway of the main beam, and locked on the main beam through the "T" bar, the installation position can be adjusted according to needs, and the lifting capacity of the spreader is enhanced. Applicability: The "T" bar is welded vertically by two steel rods, including a main bar and an auxiliary bar. The end of the main bar is provided with threads, and the two "T" bar are fixed on the The tie rod is locked on the main beam on the fixing plate in the middle of the tie rod; the hanger and tie rod in this spreader are also made of I-beam to ensure the structural rigidity.

Preferably, several grooves are provided in the middle of the main beam, and the grooves are adapted to the "T" bar; the beneficial effect is that fastening the "T" bar in the groove can effectively Prevent the "T" bar from sliding and dislocation on the main beam, and improve the safety and stability of the spreader.

Preferably, the lifting lugs are symmetrically arranged on the pull rod with the main beam as the center line, and are detachably connected with the pull rod; the beneficial effect is that the detachable connection method can facilitate the installation of the pull rod. After passing the main beam, install the lifting lugs, specifically by means of bolt fastening.

Preferably, the lower ends of the pull rods and hangers are evenly distributed with a number of installation holes, and the installation holes are used to fix the suspension rings; the suspension rings are provided with studs; the beneficial effect is that: according to the length and shape of the reinforcement cage, Install hoisting rings in different installation holes to hoist the steel cage, so that the force on the steel cage is more uniform during the hoisting process, which can effectively avoid deformation and twisting of the steel cage during the hoisting process.

Preferably, the lifting lug includes a bottom plate and an ear plate, and the ear plate is provided with a “U”-shaped lifting hole, which is vertically arranged on the bottom plate; a triangular plate is arranged between the ear plate and the bottom plate; it is beneficial The effect is to ensure the structural strength of the lifting lug and improve the safety and reliability of the lifting gear.

Preferably, the two ends of the main beam are provided with sealing plates, and the middle part is provided with a first reinforcing plate; the first reinforcing plate is placed directly above the suspender; the beneficial effect is to strengthen the joint between the main beam and the suspender Structural strength.

Preferably, the tie rod is provided with a second reinforcement plate, and the reinforcement plate is located at the side of the installation hole; its beneficial effect is to enhance the structural strength of the connection point between the suspension ring and the tie rod.

The beneficial effects of the utility model are as follows: 1. The hoisting tool adopts four-point hoisting, which avoids the skewing of the steel cage during the hoisting process, ensures the safety and stability of the construction, and improves the hoisting efficiency; 2. The hoisting ring can Through the combination of different positions, it is suitable for steel cages of different lengths and shapes, so that the force on the steel cage is more uniform during the hoisting process, which can effectively avoid deformation and twisting of the steel cage during the hoisting process; 3. The tie rod can be adjusted according to the construction The position needs to be adjusted, and it is suitable for steel cages of different lengths, with strong applicability; 4. The overall structure of the spreader is simple, the production cost is low, and the operation is convenient.

Description of drawings

Fig. 1 is the schematic diagram of a bridge prefabricated member steel cage hanger that can be hoisted by multi-point combination described in the first embodiment;

Fig. 2 is the structural representation of pull bar described in embodiment one;

Fig. 3 is a structural schematic diagram of the lifting lug described in Embodiment 1;

Fig. 4 is the structural representation of suspension ring described in embodiment one;

Fig. 5 is the structural representation of " T " bar described in embodiment one;

In the figure: 1. Main beam; 2. Hanger rod; 3. Pull rod; 4. Lifting lug; 41. Ear plate; 42. Bottom plate; 43. Triangular plate; 5. Hanging ring; 51. Hanging plate; 52. Stud; 6 , the first reinforcing plate; 7, the second reinforcing plate; 8, the groove; 9, "T" bar; 91, the main bar; 92, the auxiliary bar; ” font nut; 13, sealing plate.

Detailed ways

The technical solutions of the various embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

Embodiment one

As shown in Figures 1 to 5, a bridge prefabricated steel cage hanger capable of multi-point combined lifting includes a main beam 1 and a boom 2; the main beam 1 is composed of two I-beams arranged in parallel up and down The boom 2 is located on both sides of the main beam 1, welded between the two I-beams of the main beam 1, and arranged at right angles to the main beam 1; the lower end of the boom 2 is provided with a suspension ring 5 The middle part of the main beam 1 is provided with at least two tie rods 3; the tie rods 3 are arranged in parallel with the suspender 2; the tie rods 3 are locked on the main beam 1 by a "T"-shaped bar 9; The type rod 9 is placed on both sides of the pull rod 3, and the middle part of the pull rod 3 is welded with a fixed plate 11, and the "T" type rod 9 is fixed on the fixed plate 11 by a nut; the upper end of the pull rod 3 is provided with a lifting lug 4; the main beam 1 is composed of two I-beams arranged in parallel up and down, and the suspender 2 is welded between the two I-beams of the main beam 1, on the one hand to ensure the strength of the main structure of the spreader, on the other hand, in the middle of the main beam 1 A slideway space is formed, and the tie rod 3 is placed in the slideway of the main beam 1, and is locked on the main beam through the "T" bar 9, and the installation position can be adjusted according to the needs to enhance the applicability of the spreader; the "T" "Type rod 9 is formed by vertical welding of two round steel rods, including main rod 91 and auxiliary rod 92, the end of main rod 91 is provided with threads, and two "T" type rods 9 are fixed on the pull rod by nuts. On the fixed plate 11 in the middle of 3, the tie rod 3 is locked on the main beam; the suspender 2 and the tie rod 3 in the spreader also use I-beams to ensure the structural rigidity.

Preferably, several grooves 8 are provided in the middle of the main beam 1, the grooves 8 are adapted to the structure of the "T" bar 9, and the "T" bar 9 is fastened in the groove 8, which can Effectively prevent the "T" bar 9 from sliding and dislocation on the main beam 1, which can greatly improve the safety and stability of the spreader; the lifting lugs 4 are symmetrically arranged on the tie rod 3 with the main beam 1 as the center line, The detachable connection of the tie rod 3, specifically the bolt connection, can facilitate the installation of the tie rod 3. During the specific installation process, after the tie rod 3 passes through the main beam 1, the lifting lug is installed; the lower end of the tie rod 3 and the hanger rod 2 A number of installation holes 10 are evenly distributed, and the installation holes 10 are used to fix the suspension ring 5; the suspension ring 5 includes a hanging plate 51, the bottom of the hanging plate 51 is provided with a hanging hole, and the upper part is welded with a stud 52, adopting "human "The font nut 12 is installed on the suspender 2 or the tie rod 3. Compared with the traditional nut, the "herringbone" nut 12 has a larger contact force surface, which can improve the bearing capacity and ensure safety. During construction, it can be used according to Depending on the length and shape of the steel cage, install rings 5 in different mounting holes to hoist the steel cage, so that the force on the steel cage is more uniform during the hoisting process, which can effectively avoid deformation and twisting of the steel cage during the hoisting process. Phenomenon; the lifting lug 4 includes a bottom plate 42 and an ear plate 41, and the ear plate 41 is provided with a “U”-shaped lifting hole, which is vertically arranged on the bottom plate 42; between the ear plate 41 and the bottom plate 42 A triangular plate 43 is provided to ensure the structural strength of the lifting lug 4 and improve the safety and reliability of the spreader; the two ends of the main beam 1 are provided with a sealing plate 13, and the middle part is provided with a first reinforcing plate 6; the first reinforcing plate 6 Placed directly above the boom 2 to enhance the structural strength of the connecting position between the main beam 1 and the boom 2; the tie rod 3 is provided with a second reinforcement plate 7, and the second reinforcement plate 7 is located on the side of the installation hole 10 for reinforcement Structural strength of the connection point between the lifting ring and the tie rod.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a bridge prefabricated component steel reinforcement cage hoist that can multiple spot combination lifts by crane which characterized in that: comprises a main beam and a suspender; the main cross beam consists of two I-shaped steels which are arranged in parallel up and down; the hanger rods are positioned on two sides of the main cross beam, welded between two I-shaped steels of the main cross beam and arranged in a right-angle crossed manner with the main cross beam; the lower end of the suspender is provided with a hanging ring; the middle part of the main beam is provided with at least two pull rods; the pull rod and the suspension rod are arranged in parallel; the pull rod is locked on the main cross beam through a T-shaped rod; the T-shaped rods are arranged on two sides of the pull rod and are fixed on a fixing plate arranged in the middle of the pull rod through nuts; the upper end of the pull rod is provided with a lifting lug.

2. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: the middle part of the main beam is provided with a plurality of grooves which are matched with the T-shaped rods.

3. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: the lifting lugs are symmetrically arranged on the pull rod by taking the main cross beam as a central line and are detachably connected with the pull rod.

4. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: a plurality of mounting holes are uniformly distributed at the lower ends of the pull rod and the suspender, and the mounting holes are used for fixing a hanging ring; and a stud is arranged on the hanging ring.

5. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: the lifting lug comprises a bottom plate and an ear plate, wherein the ear plate is provided with a U-shaped lifting hole and is vertically arranged on the bottom plate; and a triangular plate is arranged between the ear plate and the bottom plate.

6. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: sealing plates are arranged at two ends of the main beam, and a first reinforcing plate is arranged in the middle of the main beam; the first reinforcing plate is arranged right above the suspension rod.

7. The bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multipoint combined lifting according to claim 1, and is characterized in that: and a second reinforcing plate is arranged on the pull rod and is positioned on the side edge of the mounting hole.

Images