CN220684407U - Lifting appliance device for installing prefabricated box girder - Google Patents

Abstract

The utility model provides a hoist device for installing precast box girder, including hanging beam device and lifting hook subassembly, lifting hook subassembly is connected with hanging beam device, be equipped with manual tight device in hanging beam device, precast box girder passes through manual tight device locking in hanging beam device in the tight device in manual tight device in pushing up, the protruding piece that sets up on the roof beam in hanging beam device carries out horizontal spacing to the bottom plate of precast box girder, under the fixed mode of lower extreme in this kind of top, make precast box girder install more firm in hanging beam device, be difficult for the landing, the security and the stability of device have been increased, each part focus of device is unanimous, make precast box girder be difficult for droing on the device, moreover device easy operation can effectively improve the work efficiency of box girder installation, this device convenient to detach, the commonality is strong, and is circulated use, effectual resources are saved.

Description

Lifting appliance device for installing prefabricated box girder

Technical Field

The utility model relates to a lifting device for installing a prefabricated box girder, in particular to a lifting device for installing the prefabricated box girder.

Background

Since the innovation is open, the construction industry of the foundation construction in China rapidly develops, especially the expressway construction is stopped by 2022, the expressway which is currently in traffic in China is 17.7 kilometers, the bridge engineering is taken as an important component of the highway construction, the assembly, standardization, industrialization and industrialization directions are gradually advanced, the condition that a red line is closely attached to a pile foundation on the outer side of a bridge in the bridge construction is very common, and in many cases, a construction channel has to be built in the middle of a left frame and a right frame, so that the erection of a precast beam slab becomes difficult, two common erection schemes of the beam slab at present are adopted, one scheme is to construct a steel trestle outside a red line, and the beam body is transported to a bridge deck for erection through the trestle; the other is to directly transport the beam slab to the lower part of the installation span and install the beam body by an inclined lifting method, but the former needs to be additionally characterized by complex procedures, slow delivery and higher cost for building the steel trestle.

When traditional case roof beam is installed, adopt wire rope to tie up the back and recycle lifting device and promote, this kind of mounting means roof beam both ends wire rope and case roof beam bundle elasticity degree inconsistent, when beginning to lift by crane, can appear rocking, when hanging the installation at high and low, then can appear the risk of landing, current installation hoist operation is complicated, and the roof beam body is fixed not in place, serious risk that the roof beam body falls can take place.

The utility model provides a hoist device at bottom of being used for prefabricated case roof beam pocket, is hung prefabricated case roof beam through assembling of upper and lower roof beam, joist and wire harness, and the device easy operation has solved the complicated problem of traditional case roof beam installation operation, but still has following shortcoming: (1) The structure is too simple, a fixing device is not arranged, the prefabricated box girder is easy to slide on the lifting device or is scratched by the joist, and the safety is low; (2) The prefabricated box girder may exceed the bearing capacity of the steel wire rope and the joist, so that the device is damaged, and the replacement cost is high.

Disclosure of Invention

In view of the above problems, the present utility model is to provide a lifting device for installing a prefabricated box girder, which is used for improving the safety of lifting the prefabricated box girder, and simultaneously reducing the manufacturing and use costs under the condition of simplifying the operation.

A lifting appliance device for installing a prefabricated box girder comprises a lifting beam device and a lifting hook assembly, wherein the lifting hook assembly is connected with the lifting beam device, and a manual jacking device for fixing the prefabricated box girder in the lifting beam device is arranged on the lifting beam device.

As a preferable scheme of the utility model, the hanging beam device comprises an upper hanging beam component, a pulling plate component and a bottom beam, wherein the upper end of the pulling plate component is connected with the upper hanging beam component, the lower end of the pulling plate component is connected with the bottom beam, and the prefabricated box beam is arranged on the bottom beam.

As a preferred scheme of the utility model, the upper hanging beam assembly comprises a top beam and a pin shaft, the pin shaft is fixed above the top beam, and the top beam is connected with the lifting hook assembly through the pin shaft.

As a preferable scheme of the utility model, the top beam is uniformly provided with the top beam bolts, and the pulling plate assembly is connected with the top beam through the top beam bolts.

As a preferable scheme of the utility model, the manual jacking device comprises a handle, a jacking rod and a bottom support, wherein the handle is arranged on the jacking rod in a screwing mode, a threaded hole is formed in the top beam, the jacking rod is connected with the top beam through the threaded hole, and the bottom support is fixedly connected with the bottom of the jacking rod.

As a preferable scheme of the utility model, the bottom beam is provided with the protruding block, the protruding block is fixed above the bottom beam, and the prefabricated box beam is arranged in the area surrounded by the protruding block.

As a preferable scheme of the utility model, a bottom beam bolt is arranged on the bottom beam, and the pulling plate component is connected with the bottom beam through the bottom beam bolt.

As a preferred scheme of the utility model, the pull plate assembly comprises a first pull plate seat, a second pull plate seat and a connecting plate connected between the first pull plate seat and the second pull plate seat, wherein the first pull plate seat is connected with a top beam bolt, and the second pull plate seat is connected with a bottom beam bolt.

As a preferred scheme of the utility model, the lifting hook assembly comprises a lifting beam carrying pole, limiting plates and a wire coil, wherein the limiting plates are fixed on two sides of the lifting beam carrying pole, and the wire coil is arranged on the lifting beam carrying pole.

As a preferred embodiment of the present utility model, a wire rope is provided on the hook assembly, the wire rope being connected to a wire coil of the hook assembly.

The utility model has the advantages that,

1. the device has high safety, under the double constraint of the hanging beam device and the manual jacking device, the prefabricated box beam is firmly fixed, and meanwhile, the gravity center of the hanging beam device is overlapped with the steel wire rope of the bridge girder erection machine, so that stable lifting is ensured, and the reliability of the high-low crane installation beam body is ensured.

2. The device is convenient to detach, has strong universality, can be recycled, can effectively save steel resources, and responds to the environment-friendly green development concept of national resource conservation.

3. The device is easy and simple to handle, can effectively improve the work efficiency of prefabricated case roof beam installation.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a schematic structural view of the manual tightening device.

Fig. 4 is an elevation view of a precast box girder.

Fig. 5 is a top view of the header.

Fig. 6 is a front view of the header.

Reference numerals: the lifting beam device 1, the upper lifting beam component 1-1, the top beam 1-1-1, the connecting seat 1-1-2, the pull plate component 1-2, the first pull plate seat 1-2-1, the second pull plate seat 1-2-2, the connecting plate 1-2-3, the bottom beam 1-3, the lifting hook component 2, the lifting beam shoulder pole 2-1, the limiting plate 2-2, the wire coil 2-3, the manual jacking device 3, the handle 3-1, the jacking rod 3-2, the bottom support 3-3, the prefabricated box girder 4, the top beam bolt 5, the first top beam bolt 5-1, the second top beam bolt 5-2, the third top beam bolt 5-3, the fourth top beam bolt 5-4, the threaded hole 6, the protruding block 7, the bottom beam bolt 8, the first bottom beam bolt 8-1, the second bottom beam bolt 8-2, the wire rope 9, the flange plate 10 and the top plate 11.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The utility model provides a hoist device for installing precast box girder, including hoist beam device 1 and lifting hook subassembly 2, lifting hook subassembly 2 is connected with hoist beam device 1, be equipped with manual tight device 3 in hoist beam device 1, precast box girder 4 is through the tight device 3 locking of manual tight device 3 in hoist beam device 1, manual tight device 3 can be adjusted according to precast box girder 4's height, protruding piece 7 that sets up on the bottom beam 1-3 in hoist beam device 1 carries out horizontal spacing to precast box girder 4's bottom plate, under the fixed mode through this kind of upper and lower limit, make precast box girder 4 install more firm in hoist beam device 1, be difficult for the landing, the security and the stability of device have been increased, each part focus of the device is unanimous, make precast box girder 4 be difficult for droing on the device, moreover, device easy operation can effectively improve the work efficiency of box girder installation, this device convenient to dismantle, the commonality is strong, can recycle, effectual resources are saved.

The hanging beam device 1 comprises an upper hanging beam component 1-1, a pulling plate component 1-2 and a bottom beam 1-3, wherein the upper end of the pulling plate component 1-2 is connected with the upper hanging beam component 1-1, the lower end of the pulling plate component 1-2 is connected with the bottom beam 1-3, the upper hanging beam component 1-1, the pulling plate component 1-2 and the bottom beam 1-3 form a 'mouth' -shaped structure, and under the constraint of three parts, the prefabricated box beam 4 is firmly wrapped in the hanging beam device 1, so that the stability of the hanging beam device 1 is improved.

The upper hanging beam assembly 1-1 comprises a top beam 1-1-1 and a connecting seat 1-1-2, two connecting seats 1-1-2 are fixed above the top beam 1-1-1, the connecting seat 1-1-2 is used for bearing the lifting hook assembly 2, the upper hanging beam assembly 1-1 is connected with the lifting hook assembly 2 through the connecting seat 1-1-2, the connecting seat 1-1-2 is high in strength, the price is more economical and practical, and the cost can be saved on the basis of meeting the requirement of the connecting strength.

In the embodiment, a plurality of adjustable top beam bolts 5 are arranged, the pull plate assemblies 1-2 are connected with different top beam bolts 5 to change the included angles between the pull plate assemblies 1-2 and the top beam 1-1-1 and between the pull plate assemblies 1-2 and the bottom beam 1-3, so that the distance between the flange plate 10 of the prefabricated box beam 4 and the pull plate assemblies 1-2 is changed, and each top beam bolt 5 comprises a first top beam bolt 5-1, a second top beam bolt 5-2, a third top beam bolt 5-3 and a fourth top beam bolt 5-4, and the pull rod assemblies 1-2 are connected with different top beam bolts 5 to adjust the distance between themselves and the prefabricated box beam 4.

The top beam 1-1 is sequentially provided with the top beam bolt 5, the pull plate assembly 1-2 is connected with the top beam 1-1-1 through the top beam bolt 5, the first top beam bolt 5-1 and the second top beam bolt 5-2 are positioned on the left side of the top beam 1-1-1, the third top beam bolt 5-3 and the fourth top beam bolt 5-4 are positioned on the right side of the top beam 1-1-1, the top beam 1-1 is connected with the pull plate assembly 1-2 through the bolts, and in the installation process of the pull plate assembly 1-2, in order to ensure that a certain interval is arranged between the flange plate 10 of the prefabricated box beam 4 and the pull plate assembly 1-2, the pull plate assembly 1-2 is connected with the corresponding bolt on the top beam 1-1-1, so that the protection degree of the prefabricated box beam 4 by the device can be improved, namely, the collision between the pull plate assembly 1-2 and the flange plate 10 is prevented, the prefabricated box beam 4 is prevented from being broken, the integrity of the prefabricated box beam 4 is ensured, meanwhile, the nearby concrete caused by the collision is prevented, and the tensile strength of the prefabricated box beam 4 is ensured.

The two manual jacking devices 3 are arranged in the hanging beam device 1, the manual jacking devices 3 comprise handles 3-1, jacking rods 3-2 and a bottom support 3-3, the handles 3-1 are arranged on the jacking rods 3-2 in a screwing mode, two threaded holes 6 are formed in the top beam 1-1, the manual jacking devices 3 are arranged in the top beam 1-1 through the matching of the jacking rods 3-2 and the threaded holes 6, the bottom support 3-3 is fixed at the bottom of the jacking rods 3-2, the bottom support 3-3 is used for supporting a top plate surface 9 of a precast box girder 4, due to the anti-slip characteristic of rubber materials, the bottom support 3-3 is made of rubber materials, the bottom support 3-3 can tightly support the top plate surface 11 of the precast box girder 4, the rubber materials cannot damage the box body of the precast box girder 4, the manual jacking devices 3 control the jacking rods 3-2 to be arranged in the threaded holes 6 in the top beam device 1 for eliminating the height allowance of the precast box girder 4, and the bottom support 3-3 can not be screwed down in the top plate surface 11 of the precast box girder 4 when the top support 3-3 is screwed down, and the precast box girder 4 is not screwed down from the top plate surface 11, namely, the precast box girder 4 is not screwed down, and the precast box girder 3-3 is not screwed down, and the stability is guaranteed.

The bottom beam 1-3 is provided with two transverse protruding blocks 7, the protruding blocks 7 are fixed above the bottom beam 1-3, the prefabricated box beam 4 is arranged in an area surrounded by the two protruding blocks 7, and as the protruding blocks 7 are used for transversely limiting the prefabricated box beam 4, the distance between the two transverse protruding blocks 7 on the bottom beam 1-3 is determined according to the width of the bottom plate of the prefabricated box beam 4, and the center of the fixed position of the two protruding blocks 7 is located in the same central shaft as much as possible with the center of gravity of the hanging beam device 1, so that the center of gravity of the prefabricated box beam 4 and the center of gravity of the hanging beam device 1 are located in the same central shaft as much as possible, the phenomenon of inclination or overturning of the prefabricated box beam 4 in the hanging process is prevented, and the stability and safety of hanging are guaranteed.

The bottom beam 1-3 is provided with the bottom beam plug pin 8, the bottom beam plug pin comprises a first bottom beam plug pin 8-1 and a second bottom beam plug pin 8-2, the first bottom beam plug pin 8-1 is fixed on the left side of the bottom beam 1-3, the second bottom beam plug pin 8-2 is fixed on the right side of the bottom beam 1-3, and the pull plate assembly 1-2 is connected with the bottom beam 1-3 through the bottom beam plug pin 8, so that the connection stability is ensured.

The pulling plate assembly 1-2 comprises a first pulling plate seat 1-2-1, a second pulling plate seat 1-2-2 and a connecting plate 1-2-3 connected between the first pulling plate seat 1-2-1 and the second pulling plate seat 1-2-2, wherein the first pulling plate seat 1-2-1 is connected with a top beam bolt 5, the second pulling plate seat 1-2-2 is connected with a bottom beam bolt 8, one pulling shift assembly 1-2 is respectively arranged at two sides of the device, the first pulling plate seat 1-2-1 of the pulling plate assembly 1-2 positioned at the left side is connected with a first top beam bolt 5-1 or a second top beam bolt 5-2 positioned at the left side of the top beam 1-1, and the second pulling plate seat 1-2-2 is connected with a first bottom beam bolt 8-1 positioned at the left side of the bottom beam 1-3; the upper part of the first pulling plate seat 1-2-1 of the pulling plate assembly 1-2 positioned on the right side is connected with the third top beam bolt 5-3 or the fourth top beam bolt 5-4 positioned on the right side of the top beam 1-1-1, the second pulling plate seat 1-2-2 is connected with the second bottom beam bolt 8-2 positioned on the right side of the bottom beam 1-3, and the centers of the first top beam bolt 5-1 and the fourth top beam bolt 5-4 are on the same vertical line with the centers of the second top beam bolt 5-2 to the third top beam bolt 5-3 and the center of gravity of the hanging beam device 1, so when the first pulling plate seat 1-2-1 on the left side is connected with the first top beam bolt 5-1, the first pulling plate seat 1-2-1 on the right side can only be connected with the fourth top beam bolt 5-4, and when the first pulling plate seat 1-2-1 on the left side is connected with the second top beam bolt 5-2, the first pulling plate seat 1-2-1 on the right side can only be connected with the third top beam bolt 5-3, and the center of gravity of the hanging beam device 1 is not even inclined, and the dangerous falling hook assembly is prevented from being caused on the same vertical line, and the hanging beam device is not inclined, and the dangerous falling hook assembly is even caused.

The lifting hook component 2 comprises a lifting beam carrying pole 2-1, limiting plates 2-2 and wire coils 2-3, wherein the limiting plates 2-2 are fixed on two sides of the lifting beam carrying pole 2-1 and are vertically connected with the lifting beam carrying pole 2-1, the wire coils 2-3 are fixed in the middle of the lifting beam carrying pole 2-1, the lifting beam carrying pole 2-1 and the upper lifting beam component 1-1 are connected through connecting seats 1-1-2, two connecting seats 1-1-2 are connected on two sides of the lifting beam carrying pole 2-1, a gap is reserved between adjacent connecting seats 1-1-2 and are used for installing centers of the wire coils 2-3, the two connecting seats 1-1-2 and the center of gravity of the lifting beam carrying pole 2-1 are on the same central line, the center of gravity of the lifting beam device 1 and the center of gravity of the lifting hook component 2 are ensured to be on the same vertical line, and the prefabricated box beam 4 on the lifting beam device 1 is prevented from falling off, and the lifting beam device 1 is prevented from unhooking.

The lifting hook assembly 2 is provided with the steel wire rope 9, the steel wire rope 9 is connected with the edge of the wire coil 2-3 of the lifting hook assembly 2, the steel wire rope 7 is wound in the wire coil 2-3 and used for lifting the lifting appliance device, and meanwhile, the gravity center of the prefabricated box girder 4 is overlapped with the steel wire rope 7, so that stable lifting is ensured, and the lifting reliability of the installation girder body is ensured.

The device installs precast box girder 4 through hanging beam device 1, arm-tie subassembly 1-2 is through the regulation on back timber bolt 5, keep certain distance between arm-tie subassembly 1-2 and precast box girder 4, prevent arm-tie subassembly 1-2 to cause the damage to precast box girder 4, the fixed of top lower extreme is carried out precast box girder 4 to protruding piece 7 on manual tight installation of top 3 and bottom beam 1-3, guarantee that precast box girder 4 can stably install on hanging beam device 1, can not drop, lifting hook subassembly 2 hoist hanging beam device 1, lifting hook subassembly 2 is unanimous with the focus of hanging beam device 1, prevent hanging beam device 1 unhook or topple, the security and the reliability of hoist have been guaranteed, the operation of cost device is accomplished through the cooperation between the above-mentioned, the security and the reliability of hoist device to precast box girder 4 installation can be effectually improved, work efficiency is improved simultaneously, the cost is saved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model; thus, the present utility model 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.

Although the terms corresponding to the reference numerals in the drawings are used more herein, the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (10)

1. A hoist device for installing prefabricated case roof beam, its characterized in that: the device comprises a hanging beam device (1) and a hanging hook assembly (2), wherein the hanging hook assembly (2) is connected with the hanging beam device (1), and a manual jacking device (3) for fixing the prefabricated box girder (4) in the hanging beam device (1) is arranged on the hanging beam device (1).

2. A spreader arrangement for mounting prefabricated box girders according to claim 1, characterized in that: the hanging beam device (1) comprises an upper hanging beam component (1-1), a pulling plate component (1-2) and a bottom beam (1-3), wherein the upper end of the pulling plate component (1-2) is connected with the upper hanging beam component (1-1), the lower end of the pulling plate component (1-2) is connected with the bottom beam (1-3), and the prefabricated box beam (4) is arranged on the bottom beam (1-3).

3. A spreader arrangement for mounting prefabricated box girders according to claim 2, characterized in that: the upper hanging beam assembly (1-1) comprises a top beam (1-1-1) and a connecting seat (1-1-2), wherein the connecting seat (1-1-2) is fixed above the top beam (1-1-1), and the top beam (1-1-1) is connected with the lifting hook assembly (2) through the connecting seat (1-1-2).

4. A spreader arrangement for mounting prefabricated box girders according to claim 3, characterized in that: the top beam (1-1-1) is provided with a top beam bolt (5), and the pull plate assembly (1-2) is connected with the top beam (1-1-1) through the top beam bolt (5).

5. A spreader arrangement for mounting prefabricated box girders according to claim 1, characterized in that: the manual jacking device (3) comprises a handle (3-1), a jacking rod (3-2) and a bottom support (3-3), wherein the handle (3-1) is installed on the jacking rod (3-2) in a screwing mode, a threaded hole (6) is formed in the top beam (1-1-1), the jacking rod (3-2) is connected with the top beam (1-1) through the threaded hole (6), and the bottom support (3-3) is fixedly connected with the bottom of the jacking rod (3-2).

6. A spreader arrangement for mounting prefabricated box girders according to claim 2, characterized in that: the bottom beam (1-3) is provided with a protruding block (7), the protruding block (7) is fixed above the bottom beam (1-3), and the prefabricated box beam (4) is arranged in an area surrounded by the protruding block (7).

7. A spreader arrangement for mounting prefabricated box girders according to claim 4, characterized in that: a bottom beam bolt (8) is arranged on the bottom beam (1-3), and the pull plate assembly (1-2) is connected with the bottom beam (1-3) through the bottom beam bolt (8).

8. A spreader arrangement for mounting prefabricated box girders according to claim 7, characterized in that: the pull plate assembly (1-2) comprises a first pull plate seat (1-2-1), a second pull plate seat (1-2-2) and a connecting plate (1-2-3) connected between the first pull plate seat (1-2-1) and the second pull plate seat (1-2-2), wherein the first pull plate seat (1-2-1) is connected with a top beam bolt (5), and the second pull plate seat (1-2-2) is connected with a bottom beam bolt (8).

9. A spreader arrangement for mounting prefabricated box girders according to claim 1, characterized in that: the lifting hook assembly (2) comprises a lifting beam carrying pole (2-1), limiting plates (2-2) and wire coils (2-3), wherein the limiting plates (2-2) are fixed on two sides of the lifting beam carrying pole (2-1), and the wire coils (2-3) are arranged on the lifting beam carrying pole (2-1).

10. A spreader arrangement for mounting prefabricated box girders according to claim 9, characterized in that: a wire rope (9) is arranged on the lifting hook component (2), and the wire rope (9) is connected with a wire coil (2-3) of the lifting hook component (2).