CN219136176U

CN219136176U - Novel heavy hammer applied to 70T metallurgy travelling crane

Info

Publication number: CN219136176U
Application number: CN202223201449.3U
Authority: CN
Inventors: 庄剑恒; 侯家; 侯志鹏; 郑宏氽; 杨安民; 廖锦劲; 庞德生; 李�根; 张方彬; 吉博文
Original assignee: Zhanjiang Mcc Environmental Protection Operation Management Co ltd; Central Research Institute of Building and Construction Co Ltd MCC Group
Current assignee: Zhanjiang Mcc Environmental Protection Operation Management Co ltd; Central Research Institute of Building and Construction Co Ltd MCC Group
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-06
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of metallurgical travelling crane heavy hammer limiting, and discloses a novel heavy hammer applied to 70T metallurgical travelling crane, which comprises a semicircular heavy hammer, wherein a hanging ring is arranged on the top surface of the semicircular heavy hammer, the inner side of the hanging ring is connected with a steel wire rope, the center of the front wall of the semicircular heavy hammer is provided with an arc groove, the front wall of the semicircular heavy hammer is provided with screw holes positioned on two sides of the arc groove, the front wall of the semicircular heavy hammer is connected with a cover plate, and a positioning bolt is arranged at the joint of the cover plate and the semicircular heavy hammer. According to the utility model, the semicircular heavy hammer adopts a semicircular capping plate structure, so that the corrosion resistance is strong, the contact area between the semicircular heavy hammer and the lifting pulley steel wire rope is increased, and the heavy hammer is of a solid structure with thicker side wall, so that the heavy hammer is more stably suspended, the bottom heavy hammer is effectively prevented from rotating around the lifting steel wire rope in the operation process of the crane, and the beneficial effect of preventing the traction steel wire rope from being adhered with the lifting pulley steel wire rope to cause the limit failure of the heavy hammer is achieved.

Description

Novel heavy hammer applied to 70T metallurgy travelling crane

Technical Field

The utility model relates to the technical field of metallurgical travelling crane heavy hammer limiting, in particular to a novel heavy hammer applied to 70T metallurgical travelling crane.

Background

The heavy hammer limiter of the travelling crane is one of the most important safety measures on the travelling crane. It is provided to prevent the hook from toppling.

The existing heavy hammer annular bracket can cause a serious accident that the bracket falls off and the heavy hammer falls off due to corrosion; and the contact area of the heavy hammer on the steel wire rope is too small, so that the heavy hammer structure is easy to damage, the heavy hammer is unstable to hang, and in the operation process of the crane, the heavy hammer rotates around the lifting pulley steel wire rope, so that the traction steel wire rope and the lifting pulley steel wire rope are adhered together, the heavy hammer is limited and loses efficacy, and safety accidents are caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel heavy hammer applied to 70T metallurgy traveling crane, which has the advantages of preventing the heavy hammer limit failure caused by adhesion of a traction steel wire rope and a lifting pulley steel wire rope, avoiding frequent replacement of the heavy hammer, improving the use safety of the heavy hammer limit and the like, and solves the problems of the prior art.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be applied to novel weight of 70T metallurgy driving, includes semicircle weight, semicircle weight top surface sets up the link, wire rope is connected to the link inboard, the arc groove is seted up at semicircle weight front wall center, semicircle weight front wall and be located the arc groove both sides and set up the screw, semicircle weight front wall connection apron, apron and semicircle weight junction set up positioning bolt.

Preferably, the semicircular heavy hammer is a half cylinder divided into two parts from top to bottom, and the semicircular heavy hammer is semicircular in a top view.

Through the technical scheme, the lifting pulley steel wire rope of the metallurgical crane passes through the arc groove of the semicircular heavy hammer, the semicircular heavy hammer adopts the semicircular capping plate structure, the corrosion resistance is high, the installation is convenient compared with the existing heavy hammer, the steel wire rope is a plastic-coated steel wire rope, the contact area of the semicircular heavy hammer and the lifting pulley steel wire rope is increased, and the heavy hammer is of a solid structure with thicker side walls, so that the heavy hammer is more stable to hang, the situation that the bottom heavy hammer rotates around the lifting steel wire rope in the crane operation process is effectively avoided, the traction steel wire rope and the lifting pulley steel wire rope are prevented from being adhered together to cause the heavy hammer to be difficult to wind the lifting pulley, the side effect of the heavy hammer during misoperation caused by inertia to the crane during operation is effectively avoided, the phenomenon of the heavy hammer misoperation is avoided, the old heavy hammer annular bracket is prevented from being corroded, the bracket is caused to fall off, the heavy hammer body is made of Q345 steel, the wear resistance is good, the service life is long, the heavy hammer replacement labor intensity is not required, the heavy hammer replacement is also facilitated, and the use safety of the heavy hammer replacement is improved.

Preferably, the hanging ring is fixedly arranged on the top surface of the semicircular heavy hammer, the hanging ring is a semicircular ring body, the bottom of the hanging ring is fixedly connected with the semicircular heavy hammer, and the inner side of the hanging ring is fixedly connected with the bottom of the steel wire rope.

According to the technical scheme, the steel wire rope of the lifting pulley is wrapped by the semicircular heavy hammer, when the metallurgical crane ascends to a certain position, the bracket on the lifting hook group of the metallurgical crane is propped against the semicircular heavy hammer, and then the limit switch is driven to act, so that the heavy hammer limit protection of the metallurgical crane is completed.

Preferably, the arc groove is longitudinally formed in the front wall of the semicircular heavy hammer, and the arc groove and the semicircular heavy hammer are concentric semicircles with the same circle center position.

Preferably, the two screw holes are symmetrically arranged on the two sides of the upper end and the lower end of the front wall of the semicircular heavy hammer, and the inner sides of the screw holes are in threaded connection with positioning bolts.

Preferably, the cover plate covers the front wall of the semicircular heavy hammer, the front wall of the cover plate is in threaded connection with a positioning bolt, and the positioning bolt penetrates through a screw hole penetrating through the cover plate.

Compared with the prior art, the utility model provides a novel heavy hammer applied to 70T metallurgy traveling crane, which has the following beneficial effects:

1. according to the utility model, the steel wire rope of the lifting pulley of the metallurgical crane passes through the arc groove of the semicircular heavy hammer, and the semicircular heavy hammer adopts a semicircular capping plate structure, so that the corrosion resistance is high, the installation is more convenient than that of the existing heavy hammer, the steel wire rope is a plastic-coated steel wire rope, the contact area of the semicircular heavy hammer and the steel wire rope of the lifting pulley is increased, and the heavy hammer is of a solid structure with thicker side wall, so that the heavy hammer is more stable to hang, the bottom heavy hammer is effectively prevented from rotating around the lifting steel wire rope in the operation process of the crane, and the beneficial effect of preventing the traction steel wire rope and the lifting pulley steel wire rope from being adhered together to cause the limit failure of the heavy hammer is achieved.

2. According to the utility model, the semicircular heavy hammer adopts a semicircular capping plate structure, so that the corrosion resistance is high, the installation is more convenient than that of the existing heavy hammer, the steel wire rope is a plastic-coated steel wire rope, the contact area between the semicircular heavy hammer and the lifting pulley steel wire rope is increased, and the heavy hammer is of a solid structure with thicker side wall, so that the heavy hammer is more stable to hang, and the beneficial effects of avoiding frequent replacement of the heavy hammer and improving the use safety of heavy hammer limit are achieved.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the overall structure of the present utility model;

FIG. 3 is a schematic front view of the semicircular weight of the present utility model.

Wherein: 1. semicircular heavy hammer; 2. hanging rings; 3. a wire rope; 4. an arc groove; 5. a screw hole; 6. a cover plate; 7. and positioning bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a novel heavy hammer for 70T metallurgy traveling crane comprises a semicircular heavy hammer 1, a hanging ring 2 is arranged on the top surface of the semicircular heavy hammer 1, a steel wire rope 3 is connected to the inner side of the hanging ring 2, an arc groove 4 is formed in the center of the front wall of the semicircular heavy hammer 1, screw holes 5 are formed in the front wall of the semicircular heavy hammer 1 and located on two sides of the arc groove 4, a cover plate 6 is connected to the front wall of the semicircular heavy hammer 1, and a positioning bolt 7 is arranged at the joint of the cover plate 6 and the semicircular heavy hammer 1.

Specifically, semicircle weight 1 is from last and the half cylinder that next divide into two, semicircle weight 1 overlook the visual angle and be semi-circular, the advantage is, through the play of hoist pulley wire rope of metallurgical driving from semicircle weight 1's arc groove 4 pass, because its semicircle weight 1 adopts the semi-circular capping plate structure, corrosion resistance is strong, and convenient installation than current weight, and wire rope 3 is plastic coated wire rope, add semicircle weight 1 and play pulley wire rope's area of contact increase, and the weight is the thicker entity structure of lateral wall, make the weight hang more stable, effectively avoid because the bottom weight is rotatory around play wire rope 3 in the hoist operation in-process, can prevent to pull wire rope 3 and play pulley wire rope adhesion and lead to the spacing inefficacy of weight to twine and play the pulley, effectually avoided because each mechanism of hoist during operation, because inertia is to the rocking that the weight produced to the driving, the side effect when spacing malfunction, the phenomenon of malfunction can not take place, the old type annular support because of corroding, the support drops, the malignant accident of falling, and the weight body is made by Q345 steel, therefore wear resistance is good, the weight is difficult, the life is not frequent, the weight is not required to be changed, the safety is also to be used to the weight, the safety is improved.

Specifically, link 2 fixed mounting is in semicircle weight 1 top surface, and link 2 is semicircle ring body and bottom rigid coupling semicircle weight 1, and link 2 inboard fixed connection wire rope 3 bottom, and the advantage is, through semicircle weight 1 parcel to rise pulley wire rope, when metallurgical driving to certain position, by the support on the lifting hook group of metallurgical driving, pushes up semicircle weight 1, and then drives limit switch action to accomplish the spacing protection of weight of metallurgical driving.

Specifically, the arc groove 4 is longitudinally formed in the front wall of the semicircular heavy hammer 1, and the arc groove 4 and the semicircular heavy hammer 1 are concentric semicircles with the same circle center position.

Specifically, two screw holes 5 are symmetrically arranged on the two sides of the upper end and the lower end of the front wall of the semicircular heavy hammer 1, and the inner side of each screw hole 5 is in threaded connection with a positioning bolt 7.

Specifically, the cover plate 6 covers the front wall of the semicircular heavy hammer 1, the front wall of the cover plate 6 is in threaded connection with the positioning bolt 7, and the positioning bolt 7 penetrates through the threaded hole 5 of the cover plate 6.

When the heavy hammer is used, the semicircular heavy hammer 1 wraps the lifting pulley steel wire rope, when the metallurgical crane is lifted to a certain position, the semicircular heavy hammer 1 is jacked by the support on the lifting hook group of the metallurgical crane, and then the limit switch is driven to act, so that the heavy hammer limit protection of the metallurgical crane is completed, because the semicircular heavy hammer 1 adopts the semicircular capping plate structure, the corrosion resistance is strong, the heavy hammer is convenient to install compared with the existing heavy hammer, the steel wire rope 3 is a plastic coated steel wire rope, the contact area between the semicircular heavy hammer 1 and the lifting pulley steel wire rope is increased, and the heavy hammer is of a solid structure with thicker side wall, so that the heavy hammer is more stable to hang, and the situation that the heavy hammer is difficult to wind the lifting pulley due to the fact that the traction steel wire rope 3 and the lifting pulley steel wire rope are adhered together in a limiting failure can be prevented.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel heavy hammer for 70T metallurgy driving, including semicircle heavy hammer (1), its characterized in that: the novel semicircular heavy hammer is characterized in that a hanging ring (2) is arranged on the top surface of the semicircular heavy hammer (1), a steel wire rope (3) is connected to the inner side of the hanging ring (2), an arc groove (4) is formed in the center of the front wall of the semicircular heavy hammer (1), screw holes (5) are formed in the front wall of the semicircular heavy hammer (1) and located on two sides of the arc groove (4), a cover plate (6) is connected with the front wall of the semicircular heavy hammer (1), and a positioning bolt (7) is arranged at the joint of the cover plate (6) and the semicircular heavy hammer (1).

2. The novel weight for 70T metallurgical traveling crane of claim 1, wherein: the semicircular heavy hammer (1) is a half cylinder divided into two parts from top to bottom, and the semicircular heavy hammer (1) is semicircular in overlook view.

3. The novel weight for 70T metallurgical traveling crane of claim 1, wherein: the hanging ring (2) is fixedly arranged on the top surface of the semicircular heavy hammer (1), the hanging ring (2) is a semicircular ring body, the bottom of the hanging ring is fixedly connected with the semicircular heavy hammer (1), and the inner side of the hanging ring (2) is fixedly connected with the bottom of the steel wire rope (3).

4. The novel weight for 70T metallurgical traveling crane of claim 1, wherein: the arc groove (4) is longitudinally formed in the front wall of the semicircular heavy hammer (1), and the arc groove (4) and the semicircular heavy hammer (1) are concentric semicircles with the same circle center.

5. The novel weight for 70T metallurgical traveling crane of claim 1, wherein: the two screw holes (5) are symmetrically arranged on the two sides of the upper end and the lower end of the front wall of the semicircular heavy hammer (1), and the inner sides of the screw holes (5) are in threaded connection with positioning bolts (7).

6. The novel weight for 70T metallurgical traveling crane of claim 1, wherein: the cover plate (6) covers the front wall of the semicircular heavy hammer (1), the front wall of the cover plate (6) is connected with the positioning bolt (7) in a threaded mode, and the positioning bolt (7) penetrates through the screw hole (5) of the cover plate (6) in a threaded mode.