CN221209871U

CN221209871U - Ladle tipping hook

Info

Publication number: CN221209871U
Application number: CN202322882096.6U
Authority: CN
Inventors: 岳亚钊; 白少磊; 苏二龙; 平伟; 马磊; 孙建国
Original assignee: HBIS Co Ltd Chengde Branch
Current assignee: HBIS Co Ltd Chengde Branch
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-06-25
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a ladle tipping hook, which belongs to the technical field of metallurgical equipment and aims to reduce maintenance frequency of the ladle tipping hook and reduce spare part cost. According to the utility model, the wear-resistant guard plates are arranged at the hook opening part and the extension part of the hook body, so that the trunnion of the ladle tipping mechanism can be effectively prevented from wearing the hook body, the maintenance and replacement frequency of the ladle tipping hook is greatly reduced, the spare part cost is reduced, and the potential safety hazard caused by untimely replacement of the hook body after serious wearing is eliminated.

Description

Ladle tipping hook

Technical Field

The utility model relates to a ladle tipping hook with long service life, and belongs to the technical field of metallurgical equipment.

Background

When iron is added into a converter by a steel enterprise, a crane 280t gantry hook is used as a main hook to hang a ladle, an 80t auxiliary hook is used as a tipping hook to be directly hung on a trunnion of a ladle tipping mechanism, and the ladle tipping is realized through a lifting tipping hook. During the iron charging process, the tipping hook and the trunnion of the ladle tipping mechanism are in sliding friction so that the hook head is worn severely. According to the requirements of GB/T10051.3-2010 lifting hook: the dangerous end face abrasion loss exceeds 10% of the original height and is scrapped. The average service life of the 80t tipping hook head is judged to be less than 6 months by the standard, so that spare part cost is wasted, production safety is threatened due to untimely replacement, and therefore, the improvement is necessary.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the ladle tipping hook with long service life, so as to reduce the maintenance frequency of the ladle tipping hook, reduce the spare part cost and eliminate the potential safety hazard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a ladle tipping hook, includes round pin axle, spacer sleeve, lower round pin axle, coupler body and two connecting plates, go up the round pin axle and pass the shaft hole of two connecting plates upper ends and rotate with two connecting plates and be connected, the spacer sleeve suit is last round pin epaxial and press from both sides between two connecting plates, the lower round pin axle passes the shaft hole of two connecting plates lower extreme and the shaft hole of coupler body upper end and rotate with connecting plate and coupler body and be connected, the coupler body presss from both sides between two connecting plates, installs wear-resisting backplate at the hook mouth position and the extension department of coupler body.

Above-mentioned ladle tipping hook, go up round pin axle one end and be equipped with the shoulder, the other end is equipped with the screw thread, goes up the screw thread end of round pin axle and installs the lock and be equipped with radial open pin hole that runs through, and the lock is female to be located between open pin hole and the connecting plate, installs the cotter pin in the open pin hole.

Above-mentioned ladle tipping hook, lower round pin axle one end is equipped with the shoulder, and the other end is equipped with the screw thread, and the screw thread end of lower round pin axle installs the nut and is equipped with radial cotter pin jack that runs through, and the nut is located between cotter pin jack and the connecting plate, installs the cotter pin in the cotter pin jack.

Above-mentioned ladle tipping hook, still the cover is equipped with the axle sleeve on the lower round pin axle, the axle sleeve is located the shaft hole of coupler body upper end.

Above-mentioned ladle tipping hook, still the cover is equipped with annular backing plate on the lower round pin axle, the backing plate is located between nut and the connecting plate.

Above-mentioned ladle tipping hook, be equipped with the copper sheathing in the lower extreme shaft hole of connecting plate, the copper sheathing suit is epaxial at the lower round pin.

The ladle tipping hook is characterized in that two sides of the hook body are respectively provided with a hook opening.

Above-mentioned ladle tipping hook, the hook body includes the multi-disc hook plate that the coincide is in the same place, and multi-disc hook plate passes through a plurality of rivets and links to each other, and the edge welding of adjacent hook plate is in the same place.

According to the utility model, the replaceable wear-resistant guard plate is arranged at the hook opening part and the extension part of the hook body, so that the wear-resistant guard plate can effectively prevent the trunnion of the ladle tipping mechanism from wearing the hook body, the maintenance and replacement frequency of the ladle tipping hook is greatly reduced, the spare part cost is reduced, and the potential safety hazard caused by untimely replacement of the hook body after serious wearing is eliminated.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a side view of fig. 1.

The reference numerals in the figures are as follows: 1. an upper pin shaft; 2. a split pin hole; 3. locking a nut; 4. a spacer sleeve; 5. a lower pin shaft; 6. cotter pin insertion holes; 7. a nut; 8. a backing plate; 9. a shaft sleeve; 10. a connecting plate; 11. a copper sleeve; 12. a hook body; 13. a rivet; 14. and (5) a wear-resistant guard board.

Detailed Description

The utility model provides a ladle tipping hook which has long service life, is not easy to wear, can save maintenance cost and reduce production cost.

Referring to fig. 1 and 2, the present utility model mainly includes an upper pin 1, a lower pin 5, a spacer sleeve 4, a connection plate 10, and a hook body 12. Wherein the two connecting plates 10 are arranged, the shapes and the sizes of the two connecting plates are the same, the upper end and the lower end of the connecting plate 10 are both provided with shaft holes, and the upper end of the hook body 12 is also provided with a shaft hole.

The upper pin shaft 1 passes through shaft holes at the upper ends of the two connecting plates 10, one end of the upper pin shaft 1 is of a shoulder structure, the other end of the upper pin shaft is provided with threads for installing a lock nut 3, and the threaded end is provided with a split pin hole 2 which penetrates radially and is used for installing a split pin; the upper pin shaft 1 and the two connecting plates 10 are combined to form a hanging point connected with the hook head. The upper pin shaft 1 is also sleeved with a spacer sleeve 4, and the spacer sleeve 4 is positioned between the two connecting plates 10, so that the upper pin shaft is protected from being worn and the connecting plates are positioned.

The lower pin shaft 5 passes through the shaft holes at the lower ends of the two connecting plates 10 and the shaft hole at the upper end of the hook body 12, the hook body 12 is positioned between the two connecting plates 10, one end of the lower pin shaft 5 is of a shoulder structure, the other end is provided with threads for installing the nut 7, and the threaded end is provided with a cotter pin jack 6 which radially penetrates and is used for installing a cotter pin; the lower pin shaft 5 is also sleeved with a shaft sleeve 9 and a base plate 8 positioned between the nut 7 and the connecting plate 10, and the shaft sleeve 9 is positioned in a shaft hole at the upper end of the hook body 12, so that the lower pin shaft is protected from being worn and the connecting plate is positioned. The copper sleeve 11 is arranged in the shaft hole at the lower end of the connecting plate 10, the copper sleeve 11 is a wearing part, the lower pin shaft 5 and the connecting plate 10 can be protected from being worn in the using process, the connecting plate is easy to replace, and the backing plate 8 plays roles of spacing and protecting the copper sleeve of the connecting plate. The hook body 12 is of a double-hook structure, two hook openings are respectively arranged on two sides, the two hook openings are alternately used, the whole service life can be prolonged, the wear-resistant guard plates 14 are welded at the hook opening positions and the extending positions of the hook body 12, the damage to the hook body caused by impact and abrasion can be effectively avoided, and after the wear of the wear-resistant guard plates 14 exceeds the standard, the wear-resistant guard plates can be quickly repaired by the method of welding new wear-resistant guard plates on line, so that the ladle tipping hook can be used for a long period.

The hook body 12 comprises four hook plates which are overlapped together, the four hook plates are connected through a plurality of rivets 13 (14 in the figure), and the edges of the adjacent hook plates are welded together so as to strengthen the connection strength of the four hook plates.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a ladle tipping hook, its characterized in that, including last round pin axle (1), spacer sleeve (4), lower round pin axle (5), coupler body (12) and two connecting plates (10), go up round pin axle (1) and pass the shaft hole of two connecting plates (10) upper ends and rotate with two connecting plates (10) and be connected, spacer sleeve (4) suit is last round pin axle (1) and press from both sides between two connecting plates (10), lower round pin axle (5) pass the shaft hole of two connecting plates (10) lower extreme and the shaft hole of coupler body (12) upper end and rotate with connecting plate (10) and coupler body (12) and be connected, coupler body (12) clamp is between two connecting plates (10), installs connecting plate (14) in the hook mouth position and the extension department of coupler body (12).

2. The ladle tipping hook according to claim 1, wherein one end of the upper pin shaft (1) is provided with a shoulder, the other end of the upper pin shaft is provided with threads, the threaded end of the upper pin shaft (1) is provided with a lock nut (3) and is provided with a radially penetrating split pin hole (2), the lock nut (3) is positioned between the split pin hole (2) and the connecting plate (10), and the split pin is arranged in the split pin hole (2).

3. A ladle tipping hook according to claim 1 or 2, wherein one end of the lower pin (5) is provided with a shoulder, the other end is provided with threads, the threaded end of the lower pin (5) is provided with a nut (7) and is provided with a cotter pin jack (6) penetrating radially, the nut (7) is positioned between the cotter pin jack (6) and the connecting plate (10), and cotter pins are arranged in the cotter pin jack (6).

4. A ladle tipping hook according to claim 3, wherein the lower pin (5) is further sleeved with a shaft sleeve (9), and the shaft sleeve (9) is positioned in a shaft hole at the upper end of the hook body (12).

5. A ladle tipping hook according to claim 4, wherein the lower pin (5) is further sleeved with an annular backing plate (8), the backing plate (8) being located between the nut (7) and the connecting plate (10).

6. The ladle tipping hook according to claim 5, wherein a copper sleeve (11) is arranged in a shaft hole at the lower end of the connecting plate (10), and the copper sleeve (11) is sleeved on the lower pin shaft (5).

7. A ladle tipping hook according to claim 6, wherein the hook body (12) has one hook opening on each side.

8. A ladle tipping hook according to claim 7, wherein the hook body (12) comprises a plurality of hook plates which are superimposed together, the plurality of hook plates being connected by a plurality of rivets (13), the edges of adjacent hook plates being welded together.