Rapid maintenance tool and maintenance device for nitriding furnace

By designing a quick maintenance fixture for nitriding furnaces, and utilizing a combination of frame, guide rails, and support frame, along with a roller mechanism and height adjustment, the problem of difficult maintenance of nitriding furnaces has been solved, enabling convenient disassembly and assembly and efficient maintenance of the furnace tank.

CN223876459UActive Publication Date: 2026-02-06SHANGHAI AUTOMOBILE GEAR WORKS
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Patent Information

Application Number
CN202520389798.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-06
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The existing nitriding furnaces are difficult to maintain, especially due to their compact layout, limited maintenance space, and heavy furnace weight, which makes disassembly and assembly difficult and prevents the use of large machinery for maintenance.

Method used

Design a quick maintenance tool for nitriding furnaces, including a frame, guide rails and support frame. The furnace tank is removed by moving the support frame along the guide rails. A roller mechanism and a height adjustment mechanism are used to reduce the difficulty of disassembly and assembly.

Benefits of technology

It significantly reduces the difficulty of disassembling and assembling furnace tanks, reduces maintenance investment, improves maintenance efficiency, reduces manual labor intensity, and improves the reliability and safety of maintenance equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick maintenance tool and a maintenance device for a nitriding furnace, and relates to the technical field of maintenance equipment, and the quick maintenance tool for the nitriding furnace comprises a frame body, a guide rail and a support frame, the two frame bodies are respectively and fixedly arranged on the ground of two oppositely arranged furnace chamber outlets; one end of the guide rail is fixedly arranged on one frame body, and the other end of the guide rail extends into the furnace chamber from the furnace chamber outlet, extends out of the furnace chamber outlet at the other end and is fixedly arranged on the other frame body; the two support frames are respectively and fixedly arranged on the furnace tank at the outlets of the two furnace chambers; according to the technical scheme, the two frame bodies are fixedly arranged on the ground of the two oppositely-arranged furnace chamber outlets respectively, the guide rail is arranged between the two frame bodies, the furnace tank is fixed through the supporting frame, the supporting frame is driven to move in the extending direction of the guide rail, and then the furnace tank is detached from the furnace chamber. Therefore, the dismounting difficulty of the furnace tank relative to the nitriding furnace is reduced, the maintenance investment is reduced, and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to maintenance equipment technical field, especially a kind of quick maintenance tooling and maintenance device for nitriding furnace. BACKGROUND

[0002] Nitriding process is an important process using catalyst nitride to make material (including metal) surface produce a layer of nitriding film under exposure to heating certain temperature and gas pressure environment, which can greatly improve the performance and life of metal surface. Nitriding process is widely used in many products in daily life, as it has good rust resistance, wear resistance and corrosion resistance, so it is widely used in food processing, petrochemical industry, medicine and health, precision instruments, automobile manufacturing and other industries.

[0003] Nitriding furnace is a portable equipment, mainly used for metal surface nitriding treatment, which can paste a layer of nitriding surface layer on metal surface. Nitriding furnace is usually used for nitriding treatment of various metal materials, including various metal alloys, sheet metal parts, carbon steel parts, free-cutting metals and non-metallic materials. Nitriding furnace adopts temperature control design, has timing and constant temperature function, and nitriding treatment program can be automatically completed, which can effectively reduce labor intensity and ensure treatment quality.

[0004] In existing maintenance technology, nitriding furnace maintenance involves many problems. Due to compact equipment layout, narrow maintenance space, heavy weight of furnace tank and other problems, it is difficult to carry out tank disassembly maintenance on complete production line. The maintenance channel is narrow, there are various pipelines, lines, large instruments such as travelling crane and shovel truck above the equipment, and other problems. UTILITY MODEL CONTENTS

[0005] The utility model mainly aims at providing a kind of quick maintenance tooling and maintenance device for nitriding furnace, which is easy to disassemble and assemble the furnace tank and nitriding furnace.

[0006] To achieve the above-mentioned purpose, the utility model provides the quick maintenance tooling for nitriding furnace, which comprises:

[0007] The frame body is provided with two, respectively fixedly arranged on the ground at the outlet of the two oppositely arranged furnace cavities;

[0008] The guide rail is fixedly arranged on one of the frame bodies at one end, and extends into the furnace cavity from the outlet of the furnace cavity at the other end, and extends out of the outlet of the furnace cavity at the other end and is fixedly arranged on the other frame body; and

[0009] The support frame is provided with two, respectively fixedly arranged on the furnace tank at the outlet of the two furnace cavities;

[0010] The support frame moves along the extension direction of the guide rail to drive the furnace pot to be taken out from the furnace cavity.

[0011] In an embodiment, the quick maintenance tool for the nitriding furnace further comprises a roller mechanism protruding from the lower side of the support frame to rollingly engage with the guide rail.

[0012] In an embodiment, the roller mechanism is provided with two, each corresponding to one of the two support frames.

[0013] In an embodiment, the roller mechanism comprises:

[0014] two support blocks protruding from the bottom end of the support frame and oppositely arranged along the width direction of the guide rail;

[0015] a rolling shaft rotatably connected to the two support blocks at both ends; and

[0016] a rolling member sleeved on the rolling shaft, the peripheral side of the rolling member rollingly engaging with the guide rail.

[0017] In an embodiment, the rolling member comprises a rolling bearing.

[0018] In an embodiment, the roller mechanism further comprises a shaft sleeve provided with two, sleeved on the rolling shaft and respectively located at both ends of the rolling member.

[0019] In an embodiment, the support block continues to extend from the rolling shaft to form a stop edge.

[0020] In an embodiment, the quick maintenance tool for the nitriding furnace further comprises a height adjusting mechanism arranged on the bottom foot of the frame body to adjust the height of the furnace pot.

[0021] In an embodiment, the height adjusting mechanism comprises:

[0022] a stud extending in the up-down direction, the peripheral side of which is provided with threads to threadedly connect with the bottom foot; and

[0023] an operating block arranged at the end of the stud close to the ground to operate the rotation of the stud.

[0024] The utility model further provides a maintenance device, the maintenance device includes the quick maintenance tool for the nitriding furnace of any one of preceding;

[0025] In which, the quick maintenance tool for the nitriding furnace comprises a frame body provided with two and fixedly arranged on the ground at the outlet of two oppositely arranged furnace cavities;

[0026] a guide rail, one end of which is fixed to one of the frame bodies, the other end of which extends into the furnace cavity from the furnace cavity outlet and extends out of the furnace cavity outlet and is fixed to the other frame body; and

[0027] two support frames, each of which is fixed to the furnace pot of the two furnace cavity outlets;

[0028] The support frames move along the extension direction of the guide rail to drive the furnace pot to be taken out of the furnace cavity.

[0029] The technical scheme of the utility model adopts two frame bodies which are respectively fixed to the ground at two oppositely arranged furnace cavity outlets, the guide rail is arranged between the two frame bodies, the support frame is used to fix the furnace pot, and the support frame is driven to move along the extension direction of the guide rail, so that the furnace pot is taken out of the furnace cavity, the difficulty of disassembling the furnace pot relative to the nitriding furnace is greatly reduced, the maintenance investment is reduced, and the maintenance efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0031] Figure 1 The structure schematic view of one embodiment of the utility model for the quick maintenance tool for the nitriding furnace is provided.

[0032] Figure 2 The structure schematic view of one embodiment of the utility model for the quick maintenance tool for the nitriding furnace is provided. Figure 1 The local enlarged view of A in the middle.

[0033] Explanation of reference numerals:

[0034] 100, the quick maintenance tool for the nitriding furnace; 1, the frame body; 11, the foot; 2, the guide rail; 3, the support frame; 4, the roller mechanism; 41, the support block; 411, the flange; 42, the rolling shaft; 43, the rolling piece; 431, the rolling bearing; 44, the shaft sleeve; 5, the height adjusting mechanism; 51, the stud; 52, the operation block.

[0035] The implementation, functional characteristics and advantages of the utility model will be further described with reference to the drawings. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0037] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0038] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0039] Nitriding process is an important process that uses catalyst nitride to produce a layer of nitride film on the surface of materials (including metals) exposed to a certain temperature and gas pressure environment under heating, which can greatly improve the performance and service life of the metal surface. Nitriding process is widely used in many products in daily life, and is widely used in food processing, petrochemical industry, medicine and health, precision instruments, automobile manufacturing and other industries due to its good rust resistance, wear resistance and corrosion resistance.

[0040] Nitriding furnace is a portable device mainly used for nitriding treatment of metal surface, which can paste a layer of nitriding surface layer on the metal surface. Nitriding furnace is usually used for nitriding treatment of various metal materials, including various metal alloys, sheet metal parts, carbon steel parts, free-cutting metals and non-metallic materials. The nitriding furnace adopts controllable temperature design, has timing and constant temperature functions, and the nitriding treatment program can be automatically completed, which can effectively reduce the labor intensity and ensure the treatment quality.

[0041] In the existing maintenance technology, the maintenance of the nitriding furnace involves many problems, and it is difficult to disassemble and maintain the furnace tank on the complete production line due to the compact layout of the equipment, the narrow maintenance space, the heavy weight of the furnace tank and other problems, the maintenance channel is narrow, various pipelines, lines and large instruments such as cranes and forklifts exist above the equipment, and the like.

[0042] In order to solve the above problems, the utility model provides a quick maintenance tool and device for a nitriding furnace, aiming at providing a quick maintenance tool and device for a nitriding furnace which is easy to disassemble and assemble the furnace tank and the nitriding furnace, Figures 1 to 2 The structure diagram of an embodiment provided by the utility model for the quick maintenance tool for a nitriding furnace.

[0043] Please refer to Figures 1 to 2 In an embodiment of the utility model, the quick maintenance tool for a nitriding furnace 100 includes a frame body 1, a guide rail 2 and a support frame 3; the frame body 1 is provided with two, and is fixedly arranged on the ground at the outlet of the two oppositely arranged furnace cavities; one end of the guide rail 2 is fixedly arranged on one of the frame bodies 1, and the other end extends into the furnace cavity from the outlet of the furnace cavity and extends out of the outlet of the furnace cavity and is fixedly arranged on the other frame body 1; the support frame 3 is provided with two, and is fixedly arranged on the furnace tank at the outlet of the two furnace cavities; wherein the support frame 3 moves along the extension direction of the guide rail 2 to drive the furnace tank to be taken out from the furnace cavity.

[0044] The technical scheme of the utility model adopts two frame bodies 1 which are fixedly arranged on the ground at the outlet of the two oppositely arranged furnace cavities, the guide rail 2 is arranged between the two frame bodies 1, the furnace tank is fixed by the support frame 3, and the support frame 3 is driven to move along the extension direction of the guide rail 2, so that the furnace tank is disassembled from the furnace cavity, thereby greatly reducing the disassembly and assembly difficulty of the furnace tank relative to the nitriding furnace, thereby reducing the maintenance investment, and further improving the maintenance efficiency.

[0045] Further, please refer to Figure 1 And Figure 2, the quick maintenance tool 100 for the nitriding furnace further comprises a roller mechanism 4, which is protruded on the lower side of the support frame 3 to roll with the guide rail 2. It can be understood that in some embodiments, the support frame 3 can be provided with a groove corresponding to the guide rail 2, so that the support frame 3 slides with the guide rail 2 to slide the furnace pot out of the furnace cavity, but due to the high difficulty and cost of groove machining process, and because the weight of the furnace pot is very large, the sliding friction generated when the furnace pot slides on the guide rail 2 is also very large, so it is not very easy to slide the furnace pot out of the furnace cavity; thus, in other embodiments, the quick maintenance tool 100 for the nitriding furnace further comprises the roller mechanism 4, which is protruded on the lower side of the support frame 3 to roll with the guide rail 2, as is known, the rolling friction is much smaller than the sliding friction, so that the roller mechanism 4 can further facilitate the rolling of the furnace pot out of the furnace cavity, thereby further reducing the labor intensity.

[0046] Further, the roller mechanism 4 is provided with two, which are respectively one-to-one corresponding to the two support frames 3. It can be understood that in some embodiments, the roller mechanism 4 is provided with one, which is arranged at the other end of the guide rail 2, and the other end of the guide rail 2 is not provided with the roller mechanism, and the sliding of the support frame 3 relative to the guide rail 2 can also make the furnace pot disassembled from the furnace cavity, but this method is difficult to assemble back, and because the weight of the furnace pot is very large, the wear of the guide rail 2 when the support frame 3 slides is very large, thus in other embodiments, the roller mechanism 4 is provided with two, which are respectively one-to-one corresponding to the two support frames 3, thus the two ends of the furnace pot have the roller mechanism 4, and the support frame 3 relative to the guide rail 2 can adopt the rolling friction mode to disassemble or assemble the furnace pot relative to the furnace cavity, which is very easy, thereby greatly reducing the labor intensity.

[0047] Further, please refer to Figure 2The rolling wheel mechanism 4 comprises two supporting blocks 41, a rolling shaft 42 and a rolling piece 43. The two supporting blocks 41 are protruded from the bottom end of the supporting frame 3 and oppositely arranged along the width direction of the guide rail 2. The two ends of the rolling shaft 42 are respectively rotatably connected to the two supporting blocks 41. The rolling piece 43 is sleeved on the rolling shaft 42, and the circumferential side of the rolling piece 43 is in rolling cooperation with the guide rail 2. It can be understood that, in order to detach the furnace pot from the furnace cavity by using the rolling wheel mechanism 4, specifically, the rolling wheel mechanism 4 comprises the two supporting blocks 41, the rolling shaft 42 and the rolling piece 43, wherein the two supporting blocks 41 are protruded from the bottom end of the supporting frame 3 to form the installation basis of the rolling piece 43 and oppositely arranged along the width direction of the guide rail 2, the two ends of the rolling shaft 42 are respectively rotatably connected to the two supporting blocks 41, the rolling piece 43 is sleeved on the rolling shaft 42, and the circumferential side of the rolling piece 43 is in rolling cooperation with the guide rail 2. Thus, the rolling wheel mechanism 4 can roll the furnace pot out of the furnace cavity.

[0048] Further, referring to Figure 2 The rolling piece 43 comprises a rolling bearing 431. It can be understood that, in some embodiments, the rolling piece 43 is only some rolling wheels. Since the self-weight of the furnace pot is very large, a large friction will occur between the rolling wheels and the rolling shaft 42, which will easily cause the rolling wheels and the rolling shaft 42 to be sintered due to excessive friction, thereby affecting the detachment of the furnace pot. In order to further reduce the rolling friction, the rolling piece 43 comprises the rolling bearing 431, which can effectively distribute the friction and the self-weight of the furnace pot on each roller, thereby making the rolling bearing 431 more durable and less likely to be damaged than the rolling wheels, and thus improving the reliability of the quick maintenance tool 100 for the nitriding furnace.

[0049] Further, referring to Figure 2 The rolling wheel mechanism 4 further comprises two shaft sleeves 44, which are sleeved on the rolling shaft 42 and respectively located at the two ends of the rolling piece 43. It can be understood that friction exists everywhere. When the rolling piece 43 rolls, the two end faces of the rolling piece 43 along the length direction will also produce friction with the supporting blocks 41, thereby causing the rolling piece 43 and the supporting blocks 41 to be worn. Thus, in order to avoid wear, the rolling wheel mechanism 4 further comprises the two shaft sleeves 44, which are sleeved on the rolling shaft 42 and respectively located at the two ends of the rolling piece 43, thereby avoiding the mutual wear between the rolling piece 43 and the supporting blocks 41 through the protection of the shaft sleeves 44, and at the same time, making the quick maintenance tool 100 for the nitriding furnace more reliable and safe.

[0050] Further, please refer to Figure 2 The support block 41 continues to extend from the rolling shaft 42 to form a retaining edge 411. It can be understood that in order to ensure that the rolling member 43 is always in rolling cooperation with the guide rail 2 during the rolling process of the furnace tank, the rolling member 43 is not allowed to be derailed relative to the guide rail 2, and thus the support block 41 continues to extend from the rolling shaft 42 to form the retaining edge 411. Two retaining edges 411 formed by the two support blocks 41 are clamped on both sides of the guide rail 2. During the rolling process of the rolling member 43, the clamping action of the retaining edges 411 on the guide rail 2 ensures that the rolling member 43 is always in rolling cooperation with the guide rail 2, thereby avoiding the possibility of the rolling member 43 being derailed, and further ensuring the reliability of the use of the quick maintenance tool 100 for the nitriding furnace.

[0051] In addition, please refer to Figure 1 The quick maintenance tool 100 for the nitriding furnace further comprises a height adjusting mechanism 5 arranged on the bottom foot 11 of the frame body 1 to adjust the height of the furnace tank. It can be understood that in order to facilitate the rolling and disassembly of the furnace tank from the furnace chamber, the furnace tank needs to have a proper position relative to the outlet of the furnace chamber. Since the furnace tank is very heavy, when the furnace tank is disassembled, the furnace tank will sink a certain distance relative to the outlet of the furnace chamber, thereby making it impossible to disassemble the furnace tank. Therefore, the quick maintenance tool 100 for the nitriding furnace further comprises the height adjusting mechanism 5 arranged on the bottom foot 11 of the frame body 1, thereby facilitating the adjustment of the height of the furnace tank and aligning the furnace tank with the outlet of the furnace chamber to facilitate the subsequent disassembly work.

[0052] Further, please refer to Figure 1 The height adjusting mechanism 5 comprises a stud 51 and an operating block 52. The stud 51 extends in the up-down direction and has threads arranged around the periphery to be in threaded connection with the bottom foot 11. The operating block 52 is arranged at one end of the stud 51 close to the ground to operate the rotation of the stud 51. It can be understood that in order to facilitate the adjustment of the height of the furnace tank and align the furnace tank with the outlet of the furnace chamber to facilitate the subsequent disassembly work, the height adjusting mechanism 5 comprises the stud 51 and the operating block 52. The stud 51 extends in the up-down direction and has threads arranged around the periphery to be in threaded connection with the bottom foot 11. The operating block 52 is arranged at one end of the stud 51 close to the ground to operate the rotation of the stud 51. By rotating the operating block 52, the bottom foot 11 is adjusted at any height in the up-down direction of the stud, and thus the height between the bottom foot 11 and the operating block 52 is the height at which the support frame 3 can lift the furnace tank.

[0053] The utility model discloses still a kind of maintenance device, the maintenance device includes the quick maintenance tool 100 for nitriding furnace, the specific structure of the quick maintenance tool 100 for nitriding furnace refers to above-mentioned embodiment, since the maintenance device has adopted all technical solutions of above-mentioned all embodiments, thus at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer repeat.

[0054] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and all equivalent structural transformations made by using the utility model specification and the contents of drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A quick service tooling for a nitriding furnace, characterized in that, The utility model relates to a quick maintenance tool for nitriding furnace, which comprises a frame body, a guide rail and a support frame. The frame body is provided with two frame bodies which are fixed on the ground respectively at the outlets of two opposite furnace cavities. One end of the guide rail is fixed on one of the frame bodies, and the other end of the guide rail extends into the furnace cavity from the outlet of the furnace cavity and extends out of the outlet of the furnace cavity and is fixed on the other frame body. The support frame is provided with two support frames which are fixed on the furnace pots respectively at the outlets of the two furnace cavities. The support frame moves along the extension direction of the guide rail to drive the furnace pot to be taken out of the furnace cavity.

2. The quick service tooling for a nitriding furnace of claim 1, wherein, The quick maintenance tool for nitriding furnace further comprises a roller mechanism which is protruded from the lower side of the support frame to rollingly cooperate with the guide rail.

3. The quick service tooling for a nitriding furnace of claim 2, wherein, The roller mechanism is provided with two roller mechanisms which are correspondingly arranged respectively at the two support frames.

4. The quick service tooling for a nitriding furnace as claimed in claim 2, wherein, The roller mechanism comprises two support blocks which are protruded from the bottom end of the support frame and are oppositely arranged along the width direction of the guide rail. The roller mechanism further comprises a rolling shaft which is rotatably connected to the two support blocks respectively at the two ends of the rolling shaft. The roller mechanism further comprises a rolling member which is sleeved on the rolling shaft, and the peripheral side of the rolling member rollingly cooperates with the guide rail. The rolling member comprises a rolling bearing.

5. The quick service tooling for a nitriding furnace as claimed in claim 4, wherein, The roller mechanism further comprises a shaft sleeve which is provided with two shaft sleeves and is sleeved on the rolling shaft respectively at the two ends of the rolling member.

6. The quick service tooling for a nitriding furnace as claimed in claim 4 wherein, The support block is continuously extended from the rolling shaft to form a stop edge.

7. The quick service tooling for a nitriding furnace as claimed in claim 4 wherein, The quick maintenance tool for nitriding furnace further comprises a height adjusting mechanism which is arranged on the bottom foot of the frame body to adjust the height of the furnace pot.

8. The quick service tooling for a nitriding furnace of claim 1 wherein, The height adjusting mechanism comprises a threaded stud which extends in the up-down direction and has a thread ring arranged on the peripheral side to threadedly connect with the bottom foot.

9. The quick service tooling for a nitriding furnace of claim 8 wherein, An operation block is arranged on the end of the threaded stud close to the ground to operate the rotation of the threaded stud. The maintenance device comprises the quick maintenance tool for nitriding furnace according to any one of claims 1-9. ​ 10. A servicing device, characterized in that ​