CN216662254U

CN216662254U - Multifunctional overhead traveling crane track telescoping device

Info

Publication number: CN216662254U
Application number: CN202123369637.2U
Authority: CN
Inventors: 赵爱军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-03
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a multifunctional crown block track telescopic device which comprises a crown block guide rail and a bottom plate, wherein the crown block guide rail is fixed on the bottom plate and is formed by splicing a plurality of telescopic sections along the length direction, and a connecting end of each telescopic section, which is connected with an adjacent telescopic section, is a stepped connecting end. The stepped structure is adopted, so that the service life of the guide rail connecting mechanism and the mechanical strength of the guide rail connecting mechanism are improved.

Description

Multifunctional overhead traveling crane track telescoping device

Technical Field

The utility model relates to the technical field of multifunctional crown block rails, in particular to a multifunctional crown block rail telescopic device.

Background

In the electrolytic aluminum industry, in the aluminum electrolysis production process. The multifunctional crown block is an important production process device in electrolytic production, mainly undertakes operations such as pole changing, aluminum discharging, material lifting, bus lifting and the like, and belongs to continuous uninterrupted operation in a high-temperature, high-magnetic-field and high-dust harsh environment, and the operation condition of the multifunctional crown block is directly related to whether electrolytic production can be normally carried out. It is important work to improve the running time and running quality thereof. And the guide rail is the key and the foundation for normal operation. Since the guide rails are related to the operation of each overhead travelling crane. If the guide rail is bent, deformed, cracked, damaged and the like, the travelling wheels, the horizontal wheels, the frame, the rail pressing plate, the fixing screws, the sliding contact lines and the like of the crown block can be damaged, and the crown block cannot normally run. The accessories of the travelling mechanism of the crown block are frequently replaced, the maintenance cost is high, and the direct relation is that whether the electrolysis production can be normally carried out.

The existing overhead traveling crane guide rail mainly has the following problems: due to the special environment of an electrolysis workshop, the temperature difference in four seasons is large, the temperature in summer can reach about 70 ℃, the temperature in winter can reach about-15 ℃, and the temperature difference of the track in four seasons can change about 85 ℃, so that the track is heated to expand when the temperature in summer is high, the track expansion joint cannot be expanded normally, the expansion joint cannot expand, the overhead travelling crane guide rail is easy to bend and deform, the track gauge and the straightness change greatly, and the overhead travelling crane cannot run normally. Even the girder, the walking wheel, the horizontal wheel, the speed reducer, the track press plate, the bolt and the like are damaged; in winter, the joint of the guide rail of the crown block is affected by the gradual reduction of the air temperature, the rail gradually shrinks to cause the welding of the joint of the rail of the crown block, the distance between the rail interfaces is 5-10CM from the maximum port, the walking wheels are damaged or the shaft body is broken, the crown block cannot normally walk in severe cases, and the joint is affected by a strong magnetic field, so that the welding maintenance is difficult, the maintenance cost is high, and the normal production in a workshop is seriously affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional overhead traveling crane track expansion device, which ensures that the track can be well expanded by the conventional expansion joint under the condition of large temperature difference change, and the phenomena of large track gauge change, track deformation, expansion joint abrasion deformation, interface fracture and the like can not be caused, so that the overhead traveling crane runs more stably, and equipment guarantee is provided for the stable and safe running of electrolytic production in an electrolytic aluminum plant.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional overhead traveling crane track telescoping device, includes overhead traveling crane guide rail and bottom plate, and the overhead traveling crane guide rail is fixed on the bottom plate, and the overhead traveling crane guide rail is formed by a plurality of telescopic joint along length direction concatenation, and the link of being connected with adjacent telescopic joint on every telescopic joint is the stairstepping link. The end part of the guide rail adopts a stepped structure, so that the mechanical strength of the joint of the guide rail is ensured, and the defects that the end part of the original structure is easy to deform and wear are overcome.

Furthermore, a limiting groove is formed in the surface of the bottom plate along the length direction, and the bottom end horizontal part of the crown block guide rail is fixedly embedded into the limiting groove in a matched mode. Grooving is carried out on the bottom plate of the guide rail of the overhead traveling crane according to the width of the guide rail of the overhead traveling crane, so that the guide rail is completely installed on the bottom plate, the bottom plate can bear the thrust in the horizontal direction of the guide rail, which is brought by strong horizontal wheels, and the guide rail is further ensured not to be stressed and bent.

Furthermore, the overhead traveling crane guide rail device further comprises a plurality of pressing plates, the pressing plates are detachably fixed on the bottom plate, and the bottom horizontal part of the overhead traveling crane guide rail is tightly supported in the limiting groove through the pressing plates.

Furthermore, an arc transition structure is arranged at the end connection part of the telescopic joint. The problem of joint fracture caused by stress transition concentration at the joint of the overhead traveling crane guide rail is avoided by adopting an arc transition technology.

Further, the pressing plate is fixedly installed on the bottom plate through bolts.

Furthermore, the telescopic joint further comprises a clamping plate, and the two adjacent telescopic joints are fixedly connected through the clamping plate.

Furthermore, splint are arranged on two opposite sides of the telescopic joint, a connecting bolt penetrates through the vertical part of the telescopic joint, and the splint which is positioned on two sides of the telescopic joint and is right opposite to the telescopic joint are fixedly connected through the connecting bolt.

Furthermore, one end of the clamping plate is fixedly connected with one of the adjacent spliced telescopic joints through a bolt, and the other end of the clamping plate is fixedly connected with the other telescopic joint through a bolt.

Further, the circular arc transition structure includes convex arc structure and concave arc structure, and the inboard chimb of tip of stairstepping link sets up convex arc structure, and the inboard concave edge of tip of stairstepping link sets up concave arc structure.

The utility model has the following technical effects:

1. the guide rail connecting structure has the advantages of high safety, high reliability, long service life, low maintenance cost and low comprehensive operation cost.

2. The device has simple structure and convenient installation. The defects that the existing crown block guide rail is easy to bend and deform, the expansion joint is damaged, and the joint of the rail is easy to break and deform are effectively overcome.

3. The crane has good economical efficiency, can effectively prolong the service life of the guide rail, the walking wheel, the horizontal wheel, the sliding contact line and the walking mechanism of the crane, and reduces the labor intensity of workers. The defects in the use of the overhead traveling crane guide rail are overcome. Can bring good economic nature, reduced the cost of maintenance of overhead traveling crane track and multi-functional overhead traveling crane, effectively ensured the normal production in electrolysis shop.

4. Through the structural improvement to ordinary guide rail, stepped structure and circular arc transition structure have been adopted at the guide rail junction, and the telescopic joint adopts the wire-electrode cutting, can not cause the change of track material, has fully ensured the mechanical strength and the flexible volume of overhead traveling crane guide rail junction, has improved the life of overhead traveling crane guide rail, has avoided the phenomenon of joint fracture, deformation wearing and tearing and track shrink fracture to practice thrift production and maintenance cost.

5. The bottom plate is provided with the open groove, the overhead traveling crane guide rail is prevented from being deflected and bent in the stress condition of the overhead traveling crane guide rail in the running process of the overhead traveling crane wheel, the telescopic joint freely stretches in the process of temperature difference change, the straightness of the rail deforms little, the track gauge change amount is small, the phenomenon that the rail contracts and is welded is avoided, and the rail connecting part can normally run in the using process.

Drawings

FIG. 1 is a front view of the integral assembly of the embodiment;

FIG. 2 is a side view of the integral assembly of the embodiment;

FIG. 3 is an end view of the expansion joint of the embodiment;

FIG. 4 is a front view of the base plate in the embodiment;

fig. 5 is a side view of the bottom plate in the embodiment.

Reference numerals: 1. a crown block guide rail; 2. a splint; 3. a base plate; 4. pressing a plate; 5. a connecting bolt; 6. an expansion joint; 7. a stepped structure; 8. a convex arc structure; 9. a concave arc structure; 10. and (5) limiting and slotting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5, a multifunctional overhead traveling crane track telescopic device comprises an overhead traveling crane guide rail 1 and a bottom plate 3, wherein the overhead traveling crane guide rail 1 is fixed on the bottom plate 3, the overhead traveling crane guide rail 1 is formed by splicing a plurality of telescopic joints 6 along the length direction, and the connecting end of each telescopic joint 6, which is connected with the adjacent telescopic joint 6, is a step-shaped connecting end. The stepped structure 7 is adopted, so that the service life of the guide rail connecting mechanism and the mechanical strength of the guide rail connecting mechanism are improved.

As shown in fig. 4 and 5, a limiting slot 10 is formed in the surface of the bottom plate 3 along the length direction, and the horizontal portion at the bottom end of the crown block guide rail 1 is fixedly embedded in the limiting slot 10 in a matching manner. The bottom plate 3 adopts a slotting technology and is tightly matched with the expansion joint 6, so that the overhead travelling crane guide rail 1 is prevented from deforming.

As shown in fig. 1, the device further comprises a plurality of pressing plates 4, the pressing plates 4 are detachably fixed on the bottom plate 3, and the pressing plates 4 can be fixedly installed on the bottom plate 3 through bolts. The pressing plate 4 and the bottom plate 3 are connected by bolts, so that the structure is simple and the cost is low.

As shown in fig. 1, the horizontal portion of the bottom end of the crown block guide rail 1 is abutted against the limit slot 10 through the pressing plate 4. The setting of clamp plate 4 for overall structure is simple, makes things convenient for the dismouting, has improved overhead traveling crane guide rail 1's installation stability.

As shown in figure 3, the connection part of the end parts of the telescopic joint 6 is provided with a circular arc transition structure. The circular arc transition structure comprises a convex arc structure 8 and a concave arc structure 9, the convex arc structure 8 is arranged on the inner convex edge of the end part of the stepped connecting end, and the concave arc structure 9 is arranged on the inner concave edge of the end part of the stepped connecting end. The use of the arc transition technology is matched with the stepped structure 7 of the guide rail, so that the service life of the guide rail connecting mechanism and the mechanical strength of the guide rail connecting mechanism are prolonged.

As shown in fig. 1 and 2, the telescopic joint further comprises a clamping plate 2, and two adjacent telescopic joints 6 are fixedly connected through the clamping plate 2. One end of the clamping plate 2 is fixedly connected with one telescopic joint 6 of the adjacent telescopic joints 6 through a bolt, and the other end of the clamping plate 2 is fixedly connected with the other telescopic joint 6 through a bolt. Preferably, the clamping plates 2 are arranged on two opposite sides of the telescopic joint 6, the connecting bolt 5 penetrates through the vertical part of the telescopic joint 6, and the clamping plates 2 which are positioned on two opposite sides of the telescopic joint 6 are fixedly connected through the connecting bolt 5. Simple structure, good connection stability and convenient assembly and disassembly.

This scheme has not only improved the track telescopic joint structure, need improve processing to ordinary guide rail and ordinary bottom plate, avoided 1 bending deformation of overhead traveling crane guide rail, the shrink fracture, telescopic joint deformation necrosis, can't play normal flexible effect, cause the whole running gear fault rate of multi-functional overhead traveling crane high, too much fund input during maintenance such as wiping line, walking wheel, horizontal wheel and mechanism frame deformation, the life of overhead traveling crane guide rail 1 has obviously been improved again, cost of maintenance and overhead traveling crane fault rate have been reduced.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. The utility model provides a multi-functional overhead traveling crane track telescoping device, its characterized in that includes overhead traveling crane guide rail (1) and bottom plate (3), and overhead traveling crane guide rail (1) is fixed on bottom plate (3), and overhead traveling crane guide rail (1) is formed by a plurality of telescopic joint (6) along length direction concatenation, and the link of being connected with adjacent telescopic joint (6) on every telescopic joint (6) is the stairstepping link.

2. The multi-functional overhead traveling crane track telescoping device of claim 1, characterized in that, the surface of the bottom plate (3) is provided with a limiting slot (10) along the length direction, and the bottom horizontal part of the overhead traveling crane guide rail (1) is fixedly embedded in the limiting slot (10).

3. The multifunctional crown block rail telescopic device according to claim 1, characterized by further comprising a plurality of pressing plates (4), wherein the pressing plates (4) are detachably fixed on the bottom plate (3), and the horizontal part at the bottom end of the crown block guide rail (1) is tightly propped against the limiting groove (10) through the pressing plates (4).

4. A multi-purpose overhead traveling crane track expansion device according to claim 1, characterized in that the end connection of the expansion joint (6) is provided with a circular arc transition structure.

5. A multi-function crown block track retraction device according to claim 3, characterized in that the pressure plate (4) is fixedly mounted on the base plate (3) by means of bolts.

6. A multi-function crown block track expansion device according to claim 1, characterized by that, it also includes a clamping plate (2), and two expansion joints (6) which are adjacently spliced are fixedly connected by means of the clamping plate (2).

7. A multifunctional crown block track expansion device according to claim 6, characterized in that the opposite sides of the expansion joint (6) are provided with clamping plates (2), the vertical part of the expansion joint (6) is provided with a connecting bolt (5), and the clamping plates (2) opposite to the two sides of the expansion joint (6) are fixedly connected through the connecting bolt (5).

8. A multifunctional crown block track telescopic device according to claim 6, characterized in that one end of the clamping plate (2) is fixedly connected with one telescopic joint (6) of the adjacent splicing telescopic joints (6) through a bolt, and the other end of the clamping plate (2) is fixedly connected with the other telescopic joint (6) through a bolt.

9. A multi-purpose overhead traveling crane track telescoping device of claim 4, characterized in that, the circular arc transition structure comprises a convex arc structure (8) and a concave arc structure (9), the convex arc structure (8) is arranged on the inner convex edge of the end of the stepped connection end, and the concave arc structure (9) is arranged on the inner concave edge of the end of the stepped connection end.