CN210117152U

CN210117152U - Lifting appliance for lifting small-sized coil steel

Info

Publication number: CN210117152U
Application number: CN201920841789.1U
Authority: CN
Inventors: 秦晓峰; 李�远; 丁兆辉; 张帅; 王立德
Original assignee: Rizhao Gold Coast Loading And Unloading Engineering Co Ltd
Current assignee: Rizhao Gold Coast Loading And Unloading Engineering Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-02-28
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a hoist is used in hoist and mount of small dimension coil steel belongs to the lifting device field, its characterized in that: comprises a beam frame, a chain and a chain sling; four chains are arranged above the cross beam frame, and the upper ends of the four chains are connected to a lifting hook of a crane; the frame beam comprises two parallel single beams, the lower side of each single beam is provided with four lifting points, and each lifting point is provided with a chain sling. Compared with the prior art have the characteristics of equilibrium, stability is good.

Description

Lifting appliance for lifting small-sized coil steel

Technical Field

The utility model relates to a hoist, especially a hoist suitable for small dimension coil steel hoist and mount usefulness.

Background

The lifting appliance is a device for lifting a heavy object in lifting machinery and is widely applied to the steel manufacturing industry, currently, single-beam lifting appliances are mostly adopted for lifting coil steel, the lifting quantity is small, the lifting operation is unstable, however, the technical problems that the stability between ① coil steel cannot generate gaps and cause collision, the ② coil steel balance problem exists, the center of gravity is in the middle point and is in line with a lifting hook are solved, ③ is suitable for lifting coil steel of various specifications as much as possible, and one object has multiple purposes.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above prior art not enough, provide a hoist for hoist and mount of small dimension coil steel.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides a hoist is used in hoist and mount of small dimension coil steel which characterized in that: comprises a beam frame, a chain and a chain sling; four chains are arranged above the cross beam frame, and the upper ends of the four chains are connected to a lifting hook of a crane; the beam frame comprises two parallel single beams, the lower side of each single beam is provided with four lifting points, and each lifting point is provided with a chain sling; the single beam is of a hollow shell structure, the lower wall of the single beam is provided with a strip-shaped opening, four sliding blocks and three threaded rods are arranged in the single beam, four lifting points are respectively fixed on the four sliding blocks, and the lifting points extend downwards from the strip-shaped opening of the single beam; the four sliding blocks are the same in interval and sequentially form first to fourth sliding blocks; the third sliding block is a fixed sliding block and is fixed on the cross beam; the first sliding block, the second sliding block and the fourth sliding block can slide left and right along the cross beam; the three threaded rods are respectively one to three threaded rods; the first threaded rod penetrates through the first sliding block, the second sliding block and the third sliding block respectively, and a hand wheel is arranged at the front end of the first threaded rod; the first sliding block is provided with a threaded hole matched with the first threaded rod, and the second sliding block and the third sliding block are respectively provided with a unthreaded hole corresponding to the first threaded rod; the front end and the rear end of the second threaded rod respectively penetrate through the second sliding block and the third sliding block, a threaded hole matched with the second threaded rod is formed in the second sliding block, and a light hole corresponding to the second threaded rod is formed in the third sliding block; the front end and the rear end of the third threaded rod respectively penetrate through the third sliding block and the fourth sliding block, the third sliding block is provided with a unthreaded hole corresponding to the third threaded rod, and the fourth sliding block is provided with a threaded hole adaptive to the third threaded rod; limiting check rings are respectively arranged at the positions, located at the two sides of the third sliding block, on the three threaded rods; three threaded rods are respectively provided with a gear, and the three gears are meshed with each other, so that the three threaded rods can synchronously rotate; the thread turning directions of the three threaded rods meet the requirement that when the three threaded rods synchronously rotate, the three sliding blocks synchronously move towards the middle or two ends; the thread pitches of the second threaded rod and the third threaded rod are the same, and the thread pitch of the first threaded rod is twice that of the second threaded rod and the third threaded rod.

The size of the beam frame is 5m × 1.38m, and the size of the chain on the frame is phi 32mm × 3m or phi 34mm × 3 m; four lifting points on the lower inner side of the frame are respectively connected with phi 18mm 0.8m chain suspension cables, and the lower outer side of the frame is connected with phi 18mm 1.3m chain suspension cables with hook heads.

The size of the middle frame is 2.5m by 1.25m, and the size of the chain on the frame is phi 34mm by 3 m; four lifting points on the lower inner side of the frame are respectively connected with a 1.3-meter chain sling which comprises a 9.5T shackle, an 11T butterfly buckle, a phi 18mm long chain of 0.8 meter, an 11T butterfly buckle and a 9.5T shackle; four lifting points at the lower inner side of the frame are respectively connected with a 1.6-meter chain sling which comprises a 9.5T shackle, an 11T butterfly buckle, a phi 18mm long chain with the length of 1.1 meter, the 11T butterfly buckle, a 9.5T shackle and an 11T eye-encircling lifting hook.

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

1. the distance between every two hanging points can be adjusted quickly, so that no gap is formed between steel coils, collision is avoided, and the stability is improved;

2. the interval between the lifting hooks can be kept uniform, the center of gravity is on the same line at the midpoint, and the problem of balance of the lifting appliance is solved;

3. the steel coil lifting device can adapt to the steel coil lifting of various specifications by adjusting the distance, is multipurpose and reduces the overall cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Detailed Description

The invention is further described with reference to the drawings and the detailed description.

As shown in fig. 1 to 3, the present invention includes a beam frame 2, a chain 1, and a chain sling 3.

Four chains 1 are arranged above the beam frame 2, and the upper ends of the four chains 1 are connected to a lifting hook of a crane. The beam frame 2 comprises two parallel single beams 5, the lower side of each single beam 5 is provided with four lifting points 16, and each lifting point 16 is provided with a chain sling 3.

The conventional cross member frame 2 includes two specifications of a large frame and a middle frame according to the specification of the coil steel 4. The size of the big frame is 5m by 1.38m, the size of the chain 1 on the frame is phi 32mm by 3m or phi 34mm by 3m, and the big frame can be replaced according to the load; four lifting points 16 on the lower inner side of the frame are respectively connected with chain suspension ropes 3 with the diameter of 18mm multiplied by 0.8m, and the lower outer side of the frame is connected with chain suspension ropes 3 with the diameter of 18mm multiplied by 1.3m and provided with hook heads. The size of the middle frame is 2.5m by 1.25m, and the size of the chain 1 on the frame is phi 34 by 3m

Four lifting points 16 on the inner side of the lower portion of the frame are respectively connected with a 1.3-meter chain sling 3 which comprises a 9.5T shackle +11T butterfly shackle + phi 18 long chain of 0.8 meter +11T butterfly shackle +9.5T shackle, and four lifting points 16 on the inner side of the lower portion of the frame are respectively connected with a 1.6-meter chain sling 3 which comprises a 9.5T shackle +11T butterfly shackle + phi 18 long chain of 1.1 meter +11T butterfly shackle +9.5T shackle +11T loop eye lifting hook. Wherein all chain shackles can be modified according to the nominal load.

The single beam 5 is of a hollow shell structure, a strip-shaped opening is formed in the lower wall of the single beam 5, four sliding blocks 17 and three threaded rods are arranged in the single beam 5, four lifting points 16 are respectively fixed on the four sliding blocks 17, and the lifting points 16 extend downwards from the strip-shaped opening of the single beam 5. The four sliding blocks 17 are arranged at the same interval and are sequentially a first sliding block to a fourth sliding block, for convenience of description, the end where the first sliding block 12 is arranged is the front end, and the end where the fourth sliding block 15 is arranged is the rear end. The third slide block 14 is a fixed slide block and is fixed on the cross beam 5; the first, second and fourth sliders can slide left and right along the cross beam 5. The three threaded rods are respectively a one-to-three threaded rod 11. The first threaded rod 7 penetrates through the first sliding block, the second sliding block and the third sliding block respectively, a hand wheel 6 is arranged at the front end of the first threaded rod 7, an operator rotates the first threaded rod 7 by rotating the hand wheel 6, and the rear end of the first threaded rod 7 penetrates through the third sliding block 14; the first sliding block 12 is provided with a threaded hole corresponding to the first threaded rod 7, and the second sliding block 12 and the third sliding block 14 are respectively provided with a unthreaded hole corresponding to the first threaded rod 7. The front end and the rear end of the second threaded rod 8 respectively penetrate through the second sliding block 12 and the third sliding block 14, a threaded hole matched with the second threaded rod 8 is formed in the second sliding block 12, and a light hole corresponding to the second threaded rod 8 is formed in the third sliding block 14. The front end and the rear end of the third threaded rod 11 respectively penetrate through the third sliding block 14 and the fourth sliding block 15, the third sliding block 14 is provided with a unthreaded hole corresponding to the third threaded rod, and the fourth sliding block 15 is provided with a threaded hole corresponding to the third threaded rod 11. And the positions of the three threaded rods, which are positioned on two sides of the third sliding block 14, are respectively provided with a limiting retainer ring 9, so that the three threaded rods cannot axially move. Three threaded rods are respectively provided with a gear 10, and the three gears 10 are meshed with each other, so that the three threaded rods can synchronously rotate. Through the effect of threaded rod and screw hole, when the threaded rod is rotatory, can drive synchronous lateral motion of corresponding slider 17. The thread turning directions of the three threaded rods meet the requirement that when the three threaded rods synchronously rotate, the three sliding blocks 17 synchronously move towards the middle or two ends. The screw pitches of the second threaded rod 8 and the third threaded rod 11 are the same, and the screw pitch of the first threaded rod 7 is twice that of the second threaded rod 11 and the third threaded rod 11, so that the distance between the sliding blocks 17 in the movement process can be always equal.

When in use, the distance between the sliding blocks 17 is adjusted according to the diameter of the hoisted coil steel 4, so that the distance is slightly smaller than the diameter of the coil steel 4.

It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hoist is used in hoist and mount of small dimension coil steel which characterized in that: comprises a beam frame, a chain and a chain sling; four chains are arranged above the cross beam frame, and the upper ends of the four chains are connected to a lifting hook of a crane; the beam frame comprises two parallel single beams, the lower side of each single beam is provided with four lifting points, and each lifting point is provided with a chain sling; the single beam is of a hollow shell structure, the lower wall of the single beam is provided with a strip-shaped opening, four sliding blocks and three threaded rods are arranged in the single beam, four lifting points are respectively fixed on the four sliding blocks, and the lifting points extend downwards from the strip-shaped opening of the single beam; the four sliding blocks are the same in interval and sequentially form first to fourth sliding blocks; the third sliding block is a fixed sliding block and is fixed on the cross beam; the first sliding block, the second sliding block and the fourth sliding block can slide left and right along the cross beam; the three threaded rods are respectively one to three threaded rods; the first threaded rod penetrates through the first sliding block, the second sliding block and the third sliding block respectively, and a hand wheel is arranged at the front end of the first threaded rod; the first sliding block is provided with a threaded hole matched with the first threaded rod, and the second sliding block and the third sliding block are respectively provided with a unthreaded hole corresponding to the first threaded rod; the front end and the rear end of the second threaded rod respectively penetrate through the second sliding block and the third sliding block, a threaded hole matched with the second threaded rod is formed in the second sliding block, and a light hole corresponding to the second threaded rod is formed in the third sliding block; the front end and the rear end of the third threaded rod respectively penetrate through the third sliding block and the fourth sliding block, the third sliding block is provided with a unthreaded hole corresponding to the third threaded rod, and the fourth sliding block is provided with a threaded hole adaptive to the third threaded rod; limiting check rings are respectively arranged at the positions, located at the two sides of the third sliding block, on the three threaded rods; three threaded rods are respectively provided with a gear, and the three gears are meshed with each other, so that the three threaded rods can synchronously rotate; the thread turning directions of the three threaded rods meet the requirement that when the three threaded rods synchronously rotate, the three sliding blocks synchronously move towards the middle or two ends; the thread pitches of the second threaded rod and the third threaded rod are the same, and the thread pitch of the first threaded rod is twice that of the second threaded rod and the third threaded rod.

2. The lifting appliance for lifting small-specification coil steel according to claim 1, wherein the lifting appliance comprises: the size of the beam frame is 5m × 1.38m, and the size of the chain on the frame is phi 32mm × 3m or phi 34mm × 3 m; four lifting points on the lower inner side of the frame are respectively connected with phi 18mm 0.8m chain suspension cables, and the lower outer side of the frame is connected with phi 18mm 1.3m chain suspension cables with hook heads.