Furnace roller coupling of annealing furnace

By adopting a double-layer protective structure and coolant pipes in the annealing furnace roller coupling, the problem of decreased strength of metal materials in high-temperature environments is solved, and the stability and durability of transmission at high temperatures are achieved.

CN223459766UActive Publication Date: 2025-10-21HUBEI NAFU GEARING MACHINERY
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520045237.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-10-21
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Under high temperature environment, the yield strength and tensile strength of the metal material of the annealing furnace roller coupling decrease, and the dislocation movement intensifies, resulting in a weakening of the material's ability to resist deformation, making it easy to deform or damage when transmitting torque.

Method used

It adopts a double-layer protection structure, including a high-temperature resistant first metal protective shell and a second metal protective shell. The inner layer is a heat-insulating fiber layer and is equipped with a coolant pipe to reduce the temperature and prevent heat transfer, enhance sealing, and prevent dust and impurities from entering.

Benefits of technology

Effectively improve the durability of the coupling in high temperature environments, avoid material deformation and damage, and ensure transmission stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223459766U_ABST
    Figure CN223459766U_ABST
Patent Text Reader

Abstract

The utility model discloses an annealing furnace roller coupler which comprises two furnace roller main bodies, two half couplings are arranged on the outer sides of the two furnace roller main bodies together, the inner ring of each half coupler is fixedly connected with the outer surface of the corresponding furnace roller main body, and two elastic elements are arranged on the outer sides of the two half couplings together. The outer sides of the two elastic elements are jointly provided with a sleeve. According to the utility model, a double-layer protection structure is arranged, the outer layer comprises the first metal protection shell and the second metal protection shell which are resistant to high temperature and abrasion and can bear high-temperature radiation and mechanical collision to a certain degree in the annealing furnace, and the inner layer comprises the first fiber layer and the second fiber layer which are insulated and sealed and can prevent heat from being transmitted inwards; the problems that in the high-temperature environment, the yield strength and the tensile strength of metal materials commonly used for couplings can be reduced, dislocation movement is intensified, the deformation resistance of the materials is weakened, and when the couplings transmit torque, deformation and even damage are prone to occurring can be effectively solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a coupling technical field especially relates to a kind of annealing furnace roller coupling. BACKGROUND

[0002] Annealing furnace roller coupling is a kind of device for connecting furnace roller in annealing furnace, its main role is to transmit power, so that furnace roller can be stably operated according to the set speed and torque, in the working process of annealing furnace, furnace roller needs to rotate accurately, and coupling plays a key role in power transmission in it, ensures the synchronism and stability of furnace roller.

[0003] The utility model with publication number CN220488139U discloses an annealing furnace roller coupling, which comprises a sleeve, a first connector, a second connector, an axial deviation adjusting structure and an angle deviation adjusting structure.

[0004] The above technical scheme can reduce the impact of the excessive sliding speed of the convex block in the groove on the first connector by setting the buffer spring and the damping rod to reduce the swing amplitude, so that the furnace shaft using the coupling can complete the transmission work when bearing a large pressure, but the yield strength and tensile strength of the commonly used metal material of the coupling will decrease in high-temperature environment, because the high temperature changes the crystal lattice structure inside the metal and intensifies the dislocation movement, resulting in the weakening of the material's resistance to deformation. When the coupling transmits torque, it is more likely to deform or even be damaged due to the decrease in strength. Therefore, the present application provides an annealing furnace roller coupling to solve the problems mentioned in the background. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide an annealing furnace roller coupling to solve the problem of the decrease in yield strength and tensile strength of the commonly used metal material of the coupling in high-temperature environment, the intensification of dislocation movement, the weakening of the material's resistance to deformation, and the deformation or even damage of the coupling due to the decrease in strength when transmitting torque.

[0006] According to one aspect of the utility model, provide a kind of annealing furnace roller coupling, including two furnace rollers, the outer side of two furnace rollers is equipped with two half couplings, the inner ring of each half coupling is fixedly connected with the outer surface of furnace roller, the outer side of two half couplings is equipped with two elastic elements, the outer side of two elastic elements is equipped with sleeve, the outer side of sleeve is respectively provided with first metal protective shell and second metal protective shell, the inner wall of second metal protective shell is fixedly connected with first fiber layer and two bearings, the inside of second metal protective shell is provided with several identical first cooling liquid pipes, the inner wall of first metal protective shell is fixedly connected with second fiber layer, the inside of first metal protective shell is provided with several identical second cooling liquid pipes, the inner ring of each bearing is fixedly connected with the outer surface of furnace roller.

[0007] According to some embodiments, the inner wall of the first metal protective shell is fixedly connected with a temperature sensor, and the outer surface of the temperature sensor is in contact with the outer surface of the second fiber layer.

[0008] According to some embodiments, the outer surface of the temperature sensor is fixedly connected with a protective shell, and the outer surface of the protective shell is fixedly connected with the outer surface of the first metal protective shell.

[0009] According to some embodiments, the outer surface of the first metal protective shell is provided with four grooves, and the inner wall of each group of grooves is threadedly connected with two fixing bolts.

[0010] According to some embodiments, the inner wall of the second metal protective shell is provided with four clamping grooves, and the inner wall of each group of clamping grooves is threadedly connected with the outer surface of the fixing bolt.

[0011] According to some embodiments, the inner wall of each half coupling is threadedly connected with a plurality of identical reinforcing bolts, the outer surface of each group of reinforcing bolts is threadedly connected with two limiting nuts, and the outer surface of each group of limiting nuts is away from the sleeve.

[0012] According to some embodiments, the inner wall of each elastic element is provided with a plurality of identical first thread grooves, and the inner wall of each group of first thread grooves is threadedly connected with the outer surface of the reinforcing bolt.

[0013] According to some embodiments, the inner wall of the sleeve is provided with a plurality of identical second thread grooves, and the inner wall of each group of second thread grooves is threadedly connected with the outer surface of the reinforcing bolt.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] Through setting the double-layer protection structure, the outer layer is the first metal protection shell and the second metal protection shell which are resistant to high temperature and wear, and can withstand high temperature radiation and a certain degree of mechanical collision in the annealing furnace, and the inner layer is the first fiber layer and the second fiber layer which are heat-insulating and sealing, and can effectively prevent heat from transferring inward, and better seal dust and impurities, and through setting the first cooling liquid pipe and the second cooling liquid pipe on the first metal protection shell and the second metal protection shell, the temperature of the protection device can be effectively reduced, the protection effect is further improved, the coupling works in a relatively low temperature environment, the yield strength and the tensile strength of the metal material commonly used in the coupling can be effectively avoided from being reduced in the high temperature environment, the dislocation movement is intensified, the material resistance to deformation is weakened, and when the coupling transmits torque, the deformation or damage problem is more likely to occur due to the reduced strength. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 A whole three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0018] Figure 2 A half-coupling three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0019] Figure 3 A second metal protection shell three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0020] Figure 4 A sleeve three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0021] Figure 5 A elastic element three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0022] Figure 6 A first metal protection shell three-dimensional structure schematic diagram of the annealing furnace roller coupling provided by the present application is shown in the figure.

[0023] In the figure: 1, furnace roller main body; 2, first metal protective shell; 3, second metal protective shell; 4, protective shell; 5, temperature sensor; 6, groove; 7, fixing bolt; 8, half coupling; 9, first cooling liquid pipe; 10, bearing; 11, clamping groove; 12, first fiber layer; 13, sleeve; 14, reinforcing bolt; 15, limiting nut; 16, elastic element; 17, first threaded groove; 18, second threaded groove; 19, second fiber layer; 20, second cooling liquid pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail with the help of the drawings and examples.The specific examples described here are only used to explain the utility model and not to limit the utility model.

[0025] Please refer to Figures 1 to 6 The utility model provides a kind of annealing furnace furnace roller coupling, including two furnace roller main body 1, the outside of two furnace roller main body 1 is commonly provided with two half couplings 8, and the inner ring of each half coupling 8 is fixedly connected with the outer surface of furnace roller main body 1, the outside of two half couplings 8 is commonly provided with two elastic elements 16, the outside of two elastic elements 16 is commonly provided with sleeve 13, the outside of sleeve 13 is provided with first metal protective shell 2 and second metal protective shell 3 respectively, the inner wall of second metal protective shell 3 is fixedly connected with first fiber layer 12 and two bearings 10, and the inside of second metal protective shell 3 is provided with several identical first cooling liquid pipes 9, the inner wall of first metal protective shell 2 is fixedly connected with second fiber layer 19, and the inside of first metal protective shell 2 is provided with several identical second cooling liquid pipes 20, and the inner ring of each bearing 10 is fixedly connected with the outer surface of furnace roller main body 1.

[0026] By first metal protective shell 2 and second metal protective shell 3, can withstand high temperature radiation in annealing furnace and certain degree of mechanical collision, and to dust and impurities play better sealing effect, enhance the applicability of the device.

[0027] Further, the inner wall of first metal protective shell 2 is fixedly connected with temperature sensor 5, and the outer surface of temperature sensor 5 is in contact with the outer surface of second fiber layer 19, which can facilitate the monitoring of the temperature of furnace roller main body 1, and facilitate staff to record inspection at any time.

[0028] Further, the outer surface of temperature sensor 5 is fixedly connected with protective shell 4, and the outer surface of protective shell 4 is fixedly connected with the outer surface of first metal protective shell 2, which can protect temperature sensor 5 and play a strong protective effect to prevent damage during use.

[0029] Further, the outer surface of the first metal protective shell 2 is provided with four grooves 6, the inner walls of each group of grooves 6 are threadedly connected with two fixing bolts 7, and the mutually close ends of the two elastic elements 16 are in contact with the outer surface of the sleeve 13. Through the grooves 6 and the fixing bolts 7, the position of the first metal protective shell 2 can be fixed, and the stability of the device is enhanced.

[0030] Further, the inner wall of the second metal protective shell 3 is provided with four clamping grooves 11, the inner walls of each group of clamping grooves 11 are threadedly connected with the outer surface of the fixing bolt 7, and through the clamping grooves 11, the position of the fixing bolt 7 can be quickly positioned, and the use effect of the device is enhanced.

[0031] Further, the inner wall of each half-coupling 8 is threadedly connected with a plurality of identical reinforcing bolts 14, the outer surface of each group of reinforcing bolts 14 is threadedly connected with two limiting nuts 15, the mutually away ends of each group of limiting nuts 15 are in contact with the outer surface of the sleeve 13, and through the reinforcing bolts 14 and the limiting nuts 15, the positions of the half-coupling 8 and the sleeve 13 can be limited, and the function of fixed limiting is achieved.

[0032] Further, the inner wall of each elastic element 16 is provided with a plurality of identical first threaded grooves 17, the inner walls of each group of first threaded grooves 17 are threadedly connected with the outer surface of the reinforcing bolt 14, and through the first threaded grooves 17, the position of the elastic element 16 can be fixed.

[0033] Further, the inner wall of the sleeve 13 is provided with a plurality of identical second threaded grooves 18, the inner walls of each group of second threaded grooves 18 are threadedly connected with the outer surface of the reinforcing bolt 14, and through the second threaded grooves 18, the sleeve 13 can be fixed and limited, and the assembly efficiency is improved.

[0034] Working principle: in use, first, the device is installed on two furnace roller bodies 1, then the first metal protective shell 2 and the second metal protective shell 3 are fixed through the fixing bolt 7, and then the device is provided with a double-layer protective structure, the outer layer is the first metal protective shell 2 and the second metal protective shell 3 which are resistant to high temperature and wear, can withstand the high temperature radiation in the annealing furnace and a certain degree of mechanical impact, the inner layer is the first fiber layer 12 and the second fiber layer 19 which are heat-insulating and sealing, it can effectively prevent heat transfer inward, and better sealing effect on dust and impurities, and by setting the first cooling liquid pipe 9 and the second cooling liquid pipe 20 on the first metal protective shell 2 and the second metal protective shell 3, the temperature of the protective device can be effectively reduced, the protection effect is further improved, the coupling works in a relatively low temperature environment, the yield strength and tensile strength of the metal material commonly used in the coupling can be effectively avoided to decrease in the high temperature environment, the dislocation movement is intensified, the material resistance to deformation is weakened, when the coupling transmits torque, due to the decrease of strength, deformation and even damage are more likely to occur.

[0035] The same or similar reference signs in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, structure and operation, therefore, the positional relationship described in the drawings is only used for exemplary illustration, and cannot be understood as a limitation of the patent, for ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

Claims

1. An annealing furnace roller coupling characterized by, The utility model provides a kind of furnace roller, including two furnace roller bodies (1), the outer side of two described furnace roller bodies (1) is commonly provided with two half-couplings (8), the inner ring of each described half-coupling (8) is fixedly connected with the outer surface of furnace roller body (1), the outer side of two described half-couplings (8) is commonly provided with two elastic elements (16), the outer side of two described elastic elements (16) is commonly provided with sleeve (13), the outer side of described sleeve (13) is provided with first metal protective shell (2) and second metal protective shell (3) respectively, the inner wall of second metal protective shell (3) is fixedly connected with first fiber layer (12) and two bearings (10), the inside of second metal protective shell (3) is provided with several identical first cooling liquid pipes (9), the inner wall of first metal protective shell (2) is fixedly connected with second fiber layer (19), the inside of first metal protective shell (2) is provided with several identical second cooling liquid pipes (20), the inner ring of each described bearing (10) is fixedly connected with the outer surface of furnace roller body (1).

2. An annealing furnace roller coupling according to claim 1, characterized in that, The inner wall of the first metal protective shell (2) is fixedly connected with a temperature sensor (5), and the outer surface of the temperature sensor (5) is in contact with the outer surface of the second fiber layer (19).

3. An annealing furnace roller coupling according to claim 2, wherein The outer surface of the temperature sensor (5) is fixedly connected with a protective shell (4), and the outer surface of the protective shell (4) is fixedly connected with the outer surface of the first metal protective shell (2).

4. The annealing furnace roller coupling of claim 1, wherein, The outer surface of the first metal protective shell (2) is provided with four grooves (6), and the inner wall of each group of grooves (6) is threadedly connected with two fixing bolts (7).

5. The annealing furnace roller coupling of claim 1, wherein, The inner wall of the second metal protective shell (3) is provided with four clamping grooves (11), and the inner wall of each group of clamping grooves (11) is threadedly connected with the outer surface of the fixing bolt (7).

6. An annealing furnace roller coupling according to claim 1, wherein The inner wall of each half-coupling (8) is threadedly connected with a plurality of identical reinforcing bolts (14), the outer surface of each group of reinforcing bolts (14) is threadedly connected with two limiting nuts (15), and the outer surface of each group of limiting nuts (15) is away from each other.

7. An annealing furnace roller coupling according to claim 1, wherein The inner wall of each elastic element (16) is provided with a plurality of identical first threaded grooves (17), and the inner wall of each group of first threaded grooves (17) is threadedly connected with the outer surface of the reinforcing bolt (14).

8. An annealing furnace roller coupling according to claim 1, wherein The inner wall of the sleeve (13) is provided with a plurality of identical second threaded grooves (18), and the inner wall of each group of second threaded grooves (18) is threadedly connected with the outer surface of the reinforcing bolt (14).

Citation Information

Patent Citations

  • Furnace roller coupling of annealing furnace

    CN220488139U