CN219623127U

CN219623127U - Unequal-section truncated cone scroll spring of elastic framework device of nonferrous metal smelting furnace

Info

Publication number: CN219623127U
Application number: CN202320403568.2U
Authority: CN
Inventors: 胡中新; 黄利
Original assignee: Wuhan Litong Spring Co ltd
Current assignee: Wuhan Litong Spring Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-01
Anticipated expiration: 2033-03-07

Abstract

The section of the sheet metal plate of the unequal section truncated cone spiral spring of the elastic framework device of the nonferrous metal smelting furnace is unequal, and equal spiral angles are adopted, and gaps are arranged between the rings. The device has the advantages that the device bears larger load and larger displacement in a limited space, has a special characteristic curve, and can effectively meet the design requirement of the elastic framework on the clamping force of the furnace body. Compared with the common constant cross section truncated cone scroll spring, the advantages of the unequal cross section truncated cone scroll spring are that the consumption of the manufacturing consumable material is reduced by 23.5 percent compared with the common constant cross section truncated cone scroll spring, the space occupation is reduced by 12.7 percent, the unequal cross section of the sheet metal plate is arranged to enable the rigidity of the main body to be slowly increased, the main body has special curve characteristics in mechanical property, the principle of energy conservation and emission reduction is met, the calculation requirement of the elastic framework of the nonferrous smelting furnace body is met, the stability and safety of the furnace body are maintained, and the service life of the furnace body is prolonged.

Description

Unequal-section truncated cone scroll spring of elastic framework device of nonferrous metal smelting furnace

Technical Field

The utility model relates to the technical field of spring manufacturing, in particular to a truncated cone spiral spring with unequal cross sections of an elastic framework device of a nonferrous metal smelting furnace.

Background

Along with the continuous progress of nonferrous metal smelting technology in China, the rapid development of nonferrous metal smelting equipment is required to solve the problem of furnace body expansion in operation, and the technology of an integral elastic framework structure is required to effectively solve the problem. The principle is as follows: the furnace body transmits the thermal stress of the furnace body to the elastic framework through expansion in the running process, the framework applies the clamping force of the springs to the furnace body, the mutual action and balance control the reasonable deformation of the furnace body, and the uniform expansion of the furnace body is maintained.

The variable cross section truncated cone scroll springs are key parts in the elastic skeleton structure device and are distributed on the upper part and the lower part of the furnace body. The clamping force of the elastic framework to the masonry and the stable and safe operation of the furnace body are effectively ensured, and the service life of the furnace body is prolonged.

Disclosure of Invention

The utility model provides a conical scroll spring with unequal cross sections of a non-ferrous metal smelting furnace elastic framework device, which solves the problems in the prior art.

According to one aspect of the utility model, the truncated cone spiral spring with unequal cross sections of the elastic framework device of the nonferrous metal smelting furnace comprises a body, wherein the body is formed by winding a sheet metal plate from inside to outside, the sheet metal plate is of a structure with two thin ends and a thick middle, the cross sections of the sheet metal plate are rectangular, and the cross sections of the sheet metal plates at different length positions are unequal.

On the basis of the scheme, the sheet metal plate preferably comprises a guide section, a middle section and a guiding-out section, wherein the guide section is connected with the guiding-out section through the middle section.

On the basis of the above scheme, preferably, the length of the guide section is as follows: length of the intermediate section: the length of the derived segment is 1:1.1 to 1.8:1.1 to 1.3.

On the basis of the above-described embodiment, the guide section and the guide section are each provided with a support plane.

On the basis of the scheme, preferably, the sheet metal plate is formed by adopting a left-handed spiral mode, and a gap is formed between the bodies.

The section of the sheet metal plate of the unequal section truncated cone spiral spring of the elastic framework device of the nonferrous metal smelting furnace is unequal, the equal spiral angle is adopted, and the unequal section truncated cone spiral spring bears larger load and larger displacement in a limited space, has a special characteristic curve, and can effectively meet the design requirement of the elastic framework on the clamping force of the furnace body.

Compared with the common constant section truncated cone scroll spring, the advantages of the unequal section truncated cone scroll spring are that the consumption of the manufacturing consumable material is reduced by 23.5 percent compared with the common constant section truncated cone scroll spring, the space occupation ratio is reduced by 12.7 percent, the unequal section of the sheet metal plate is arranged to enable the rigidity of the main body to be slowly increased, the main body has special curve characteristics in mechanical property, the principle of energy conservation and emission reduction is met, the calculation requirement of the elastic framework of the nonferrous metal smelting furnace body is met, the stability and safety of the furnace body are maintained, and the service life of the furnace body is prolonged.

Drawings

FIG. 1 is a cross-sectional view of an unequal section truncated cone wrap spring of the present utility model;

FIG. 2 is an expanded view of the body of the present utility model;

fig. 3 is a side view of fig. 2 of the present utility model.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1, and referring to fig. 2 and 3, the truncated cone spiral spring with unequal cross sections for the elastic skeleton device of the nonferrous metal smelting furnace of the present utility model comprises a body 100, wherein the body 100 is formed by winding sheet metal plates from inside to outside, the sheet metal plates have a structure with two thin ends and a thick middle, the cross sections of the sheet metal plates are rectangular, and the cross sections of the sheet metal plates at different length positions are unequal.

Wherein, sheet metal includes guide section 30, interlude 20 and derivation section 10, and guide section 30 links to each other with derivation section 10 through interlude 20, and guide section 30's length: length of the intermediate section 20: the length of the lead-out section 10 is 1:1.1 to 1.8:1.1 to 1.3, the rigidity of the main body is slowly increased, the displacement is increased, and the stress generated by expansion is relieved, so that a special curve of the load of the main body is presented.

The guide section 30 of the present utility model is provided with a bearing surface 31, the guide section 30 being inside the body 100 to ensure the inner diameter bearing surface length of the spring body 100.

The lead-out section 10 of the utility model is provided with a bearing plane 11, the lead-out section 10 being located outside the body 100 to ensure the bearing surface length of the outer diameter of the spring body 100.

It should be noted that, the sheet metal plate of the present utility model is formed by adopting a left-handed spiral, and the body 100 is provided with a gap therebetween, and the spiral angle is equal.

The section of the sheet metal plate of the unequal section truncated cone spiral spring of the elastic framework device of the nonferrous metal smelting furnace is unequal, and equal spiral angles are adopted, and gaps are arranged between the rings. The device has the advantages that the device bears larger load and larger displacement in a limited space, has a special characteristic curve, and can effectively meet the design requirement of the elastic framework on the clamping force of the furnace body.

Finally, the method of the present utility model is only a preferred embodiment and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a non-ferrous metal smelting furnace elastic framework device's unequal cross section truncated cone spiral spring which characterized in that, includes the body, the body adopts the sheet metal plate to coil from inside to outside to form, the sheet metal plate is two thin and middle thick structures, just the cross section of sheet metal plate is the rectangle, and the length position of difference the cross sectional area of sheet metal plate.

2. The non-uniform cross-section truncated cone spiral spring of a non-ferrous metal smelting furnace elastic framework device according to claim 1, wherein the sheet metal plate comprises a guide section, an intermediate section and a lead-out section, and the guide section is connected with the lead-out section through the intermediate section.

3. The non-uniform cross-section truncated cone spiral spring of a non-ferrous metal smelting furnace spring frame assembly of claim 2 wherein the length of the guide section is: length of the intermediate section: the length of the derived segment is 1:1.1 to 1.8:1.1 to 1.3.

4. The non-uniform cross-section truncated cone spiral spring of a non-ferrous metal smelting furnace spring frame assembly of claim 2, wherein the guide section and the lead-out section are each provided with a bearing plane.

5. The spring of the elastic skeleton device of the nonferrous metal smelting furnace, which is provided with a truncated cone spiral spring with unequal cross sections, according to claim 1, wherein the sheet metal plate is spirally formed in a left-handed mode, and a gap is arranged between the bodies.