CN212668945U

CN212668945U - Rotatable hoisting device

Info

Publication number: CN212668945U
Application number: CN202021582879.2U
Authority: CN
Inventors: 周艇; 王永胜; 褚小金; 郑利军; 姜风仓; 朱莹莹; 李德华; 苟堡铭; 蔡京洋
Original assignee: Second Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: Second Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-09
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a rotatable hoist device, including rotary rod and first box roof beam, the positive intermediate position of first box roof beam alternates fixed rotary rod, and first box roof beam is located the lower tip of rotary rod, and the upper end of rotary rod is equipped with first fixed plate, plane bearing and second fixed plate by supreme cover in proper order down, and plane bearing all is connected with first fixed plate, second fixed plate contact, and the both ends symmetry of first fixed plate is fixed with the backup pad, and the running block is installed to the upper end of backup pad, first box roof beam lower extreme is fixed with second box roof beam, and the length of second box roof beam is greater than the length of first box roof beam, and the lower extreme both sides of second box roof beam are fixed with first otic placode respectively, and first otic placode passes through rope hoist and mount heavy object. The utility model has the advantages of simple and reasonable structure, can hoist and mount heavy objects such as girder steel, prefabricated plate safely, fast.

Description

Rotatable hoisting device

Technical Field

The utility model belongs to the technical field of hoist device, in particular to rotatable hoist device.

Background

At present, a traditional bridge girder erection machine hoisting device directly translates and positions after hoisting a heavy object, a common method generally adopts a pulley block to be connected with a carrying pole beam, the hoisting can be carried out up and down, and the rotation cannot be realized, but the traditional hoisting device cannot be implemented because a steel plate-concrete combined beam roadway plate is erected, a prefabricated plate cannot be transversely positioned, the prefabricated plate must be longitudinally moved to a bridge position by rotating 90 degrees, and the prefabricated plate falls and positions after being finely adjusted. For example, the transverse bridge length of the prefabricated slab is 12.5 meters, the width of the prefabricated slab is 4 meters, and the net width of the bridge girder erection machine is 10 meters, so that the prefabricated slab cannot pass through the tail part of the bridge girder erection machine, and a rotatable hoisting device can be designed to enable the prefabricated slab to be positioned after being turned to a proper angle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotatable hoisting device which has simple and reasonable structure and can effectively hoist heavy objects.

Based on the above-mentioned purpose, the utility model discloses take following technical scheme:

the utility model provides a rotatable hoist device, includes rotary rod and first box roof beam, and the positive intermediate position of first box roof beam alternates fixed rotary rod, and first box roof beam is located the lower tip of rotary rod, and the upper end of rotary rod is equipped with first fixed plate, plane bearing and second fixed plate by supreme cover in proper order down, and plane bearing all is connected with first fixed plate, the contact of second fixed plate, and the both ends symmetry of first fixed plate is fixed with the backup pad, and the running block is installed to the upper end of backup pad, first box roof beam lower extreme is fixed with second box roof beam, and the length of second box roof beam is greater than the length of first box roof beam, and the lower extreme both sides of second box roof beam are fixed with first otic placode respectively, and first otic placode passes through rope hoist and mount heavy object.

Furthermore, stiffening plates are fixed around the middle part of the rotating rod, the stiffening plates are fixed on the upper surface of the first box-shaped beam, and the stiffening plates are located below the first fixing plate.

Furthermore, the supporting plate and the first fixing plate, and the movable pulley block and the supporting plate are respectively fixed through pin shafts.

Furthermore, second lug plates are fixed to two sides of the lower end of the first box-shaped beam through pin shafts respectively, the lower end of each second lug plate is fixed to the second box-shaped beam, and the second box-shaped beam is fixed to the first box-shaped beam through the second lug plates.

Further, a bolt and a nut are mounted on the second fixing plate, and the mounting direction of the bolt is perpendicular to the rotating shaft of the rotating rod.

Furthermore, the first box-shaped beam and the second box-shaped beam are formed by welding steel plates.

Furthermore, the stiffening plate and the rotating rod, and the stiffening plate and the first box-shaped beam are fixed by welding.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a rotatable hoisting device, simple structure, convenient to use, the practicality is strong, rotary rod and first box roof beam fixed connection, first fixed plate, planar bearing and second fixed plate set gradually on the rotary rod, planar bearing is located between first fixed plate and the second fixed plate, planar bearing can drive the utility model discloses rotate; the movable pulley block is fixed by the support plate through a pin shaft, a lifting rope is wound on the movable pulley block, and the movable pulley block and the lifting rope provide tension for hoisting heavy objects such as steel beams, prefabricated plates and the like; the lower end of the first box-shaped beam is fixed with a second box-shaped beam through a second lug plate, the second box-shaped beam is provided with a first lug plate, and the first lug plate is used for hoisting a heavy object through a rope; the middle part of the rotating rod is fixed with a stiffening plate which is used for enhancing the rigidity of the utility model and ensuring local stability; and a bolt and a nut are arranged on the second fixing plate, and the mounting direction of the bolt is vertical to the rotating shaft of the rotating rod and is used for fastening the second fixing plate and the rotating rod.

The utility model discloses a mutually supporting of parts such as rotary rod, flat bearing, first box girder and second box girder can make the utility model discloses rotate into certain angle, and then can hoist and mount heavy objects such as girder steel, prefabricated plate safely, fast, and then shorten engineering time for the engineering progress improves production efficiency, has fine use value and application prospect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a diagram showing the positional relationship between the rotary rod and the first box beam;

FIG. 3 is a diagram showing the positional relationship between the rotary rod and the support plate;

fig. 4 is a positional relationship diagram of the first lug plate and the second box beam.

In the figure: 1. rotating the rod; 2. a first box beam; 3. a stiffening plate; 4. a first fixing plate; 5. a flat bearing; 6. a second fixing plate; 7. a support plate; 8. a movable pulley block; 9. a second ear panel; 10. a second box beam; 11. a first ear panel.

Detailed Description

As shown in fig. 1-4, the utility model discloses a rotatable hoist device, including rotary rod 1 and first box roof beam 2, the rotary rod 1 diameter is 15cm, and first box roof beam 2 forms for the steel sheet welding, and the length of first box roof beam 2 is 220cm, the width is 50cm, and the positive intermediate position of first box roof beam 2 alternates fixed rotary rod 1, and first box roof beam 2 is located the lower tip of rotary rod 1. The periphery of the middle part of the rotating rod 1 is fixedly provided with 4 stiffening plates 3 by welding, the stiffening plates 3 are fixedly arranged on the upper surface of the first box-shaped beam 1 by welding, and the stiffening plates 3 are positioned below the first fixing plate 4. The upper end of rotary rod 1 is equipped with first fixed plate 4, planar bearing 5 and second fixed plate 6 by supreme cover in proper order down, and planar bearing 5 all is connected with first fixed plate 4, the contact of second fixed plate 6. Two ends of the first fixing plate 4 are symmetrically fixed with supporting plates 7 through pin shafts, and the upper ends of the supporting plates 7 are provided with movable pulley blocks 8 through pin shafts. The second fixing plate 6 is provided with a bolt and a nut, and the installation direction of the bolt is perpendicular to the rotation axis of the rotating rod 1.

And second lug plates 9 are symmetrically fixed on two sides of the lower end of the first box-shaped beam 2 through pin shafts respectively, the lower end of each second lug plate 9 is fixed on a second box-shaped beam 10, the second box-shaped beam 10 is fixed with the first box-shaped beam 2 through the second lug plates 9, and the second box-shaped beam 10 is formed by welding steel plates. The length of the second box-shaped beam 10 is greater than that of the first box-shaped beam 2, the length of the second box-shaped beam 10 is 900cm, the width of the second box-shaped beam 10 is 64cm, first lug plates 11 are symmetrically fixed on two sides of the lower end of the second box-shaped beam 10, the number of the first lug plates 11 is 4, and the first lug plates 11 are used for hoisting heavy objects through ropes.

During the use, through round pin axle installation running block 8 and backup pad 7, use fixed heavy objects such as girder steel, prefabricated plate of second otic placode 9 first box roof beam 2 and second box roof beam 10, first otic placode 11 on the second box roof beam 10 is fixed through the rope, utilizes running block 8 to do the utility model provides a pulling force hoists the heavy object to suitable position after, can be with the help of external force rotation plane bearing 5, plane bearing 5 drives the utility model discloses and the heavy object is rotatory to suitable angle, falls the heavy object again, and then realizes safely, hoist and mount the heavy object fast.

Claims

1. The utility model provides a rotatable hoist device, its characterized in that, includes rotary rod and first box roof beam, and the positive intermediate position of first box roof beam alternates fixed rotary rod, and first box roof beam is located the lower tip of rotary rod, and the upper end of rotary rod is equipped with first fixed plate, plane bearing and second fixed plate by supreme cover in proper order down, and plane bearing all is connected with first fixed plate, the contact of second fixed plate, and the both ends symmetry of first fixed plate is fixed with the backup pad, and the running block is installed to the upper end of backup pad, first box roof beam lower extreme is fixed with second box roof beam, and the length of second box roof beam is greater than the length of first box roof beam, and the lower extreme both sides of second box roof beam are fixed with first otic placode respectively, and first otic placode passes through rope hoist and mount heavy object.

2. The rotatable hoisting device of claim 1, wherein a stiffener is fixed around the middle part of the rotating rod, the stiffener is fixed on the upper surface of the first box-shaped beam, and the stiffener is located below the first fixing plate.

3. The rotatable hoisting device of claim 1, wherein the supporting plate and the first fixing plate, and the movable pulley block and the supporting plate are fixed by pin shafts respectively.

4. The rotatable hoisting device of claim 1, wherein the two sides of the lower end of the first box-shaped beam are respectively fixed with a second lug plate through pin shafts, the lower end of the second lug plate is fixed on the second box-shaped beam, and the second box-shaped beam is fixed with the first box-shaped beam through the second lug plate.

5. The rotatable lifting device as claimed in claim 1, wherein the second fixing plate is provided with a bolt and a nut, and the bolt is provided in a direction perpendicular to the rotation axis of the rotation rod.

6. The rotatable hoisting device of claim 1, wherein the first box beam and the second box beam are welded together from steel plates.

7. The rotatable hoisting device according to claim 2, wherein the stiffener and the rotating rod, and the stiffener and the first box girder are fixed by welding.