Large gear ring trolley furnace quenching tool

By designing a quenching fixture for a large gear ring trolley furnace, the problems of deformation and inconvenience in loading and unloading large gear rings in the trolley furnace were solved, achieving stability of the parts and ease of operation, and ensuring production quality and safety.

CN223561637UActive Publication Date: 2025-11-18HARBIN FIRST MACHINERY GRP
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Patent Information

Application Number
CN202423027207.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-18
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Large gear rings suffer from deformation and are difficult to load and unload during heat treatment in bogie hearth furnaces. In particular, individual parts cannot be hoisted separately in semi-open bogie hearth furnaces, making it difficult to guarantee production quality and operational safety.

Method used

A large gear ring trolley furnace quenching fixture was designed, including a chassis and an upper hoisting part. It is made of Q235 steel. The chassis is a frame structure formed by bottom rods, bottom ribs, cross rods and cross ribs. The upper hoisting part is composed of hoisting rods, side ribs, cross plates and support rods. The support rods pass through the through hole in the middle of the part to ensure stability. The hoisting position of the crane is located at the end of the hoisting rod to achieve safe and reliable loading and unloading.

Benefits of technology

It effectively prevents parts from tipping over and bumping during heat treatment, ensuring the stability of the parts and the ease of operation, and meeting the production requirements of large gear ring parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

A chassis part comprises bottom rods, bottom ribs, transverse rods and transverse ribs, the two ends of the two bottom rods are welded to the bottoms of the two ends of the two transverse rods respectively, and a frame structure is jointly formed; the bottom ribs are welded to the bottoms of the two transverse rods and located on the inner sides of the two transverse rods. The upper hoisting part comprises a hoisting rod, side ribs, transverse plates and supporting rods, the bottoms of the four side ribs are welded to the two ends of the two transverse rods respectively, the tops of the two side ribs on the same side are welded to the ends of the hoisting rod respectively, and a triangular structure is formed; a transverse plate is welded and fixed between the two side ribs on the same side, an arc-shaped groove is machined in each transverse plate, and the supporting rod is connected to the two transverse plates in a lap joint mode and placed in the arc-shaped grooves. When the tool is used, the supporting rods penetrate through the through holes in the middles of the parts, the stability of the parts in the tool is guaranteed, no collision phenomenon occurs in the production process, the parts are placed and hoisted stably, safety and reliability are achieved, and the production requirements of large gear ring parts can be met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heat treatment frock, specifically relates to a large -scale gear ring trolley furnace quenching frock. BACKGROUND

[0002] Due to the need of production conversion of trolley furnace and box furnace, the heat treatment of a certain type of large gear ring (steel ring) needs to use trolley furnace production, and the bottom of the trolley furnace is the trolley running forward and backward, which belongs to the semi-open structure, and single part cannot be hoisted alone during the discharging process. Since the large gear ring is a large part, the part flatness requirement is high, and the deformation problem in the heat treatment process needs to be considered, and at the same time, in order to further increase the furnace charging capacity, ensure the stability of the part in the frock, prevent side turning and bumping, and reduce the heat treatment deformation of the part, a new type of trolley furnace quenching frock needs to be designed to ensure the production quality and improve the convenience of operation and loading and unloading. CONTENT OF THE UTILITY MODEL

[0003] (I) technical problem to be solved

[0004] The utility model provides a large -scale gear ring trolley furnace quenching frock to solve the technical problem of how to ensure the production quality and improve the convenience of operation and loading and unloading.

[0005] (II) technical scheme

[0006] In order to solve the above technical problem, the utility model provides a large -scale gear ring trolley furnace quenching frock, which comprises a chassis part and an upper hoisting part;Wherein, the chassis part comprises a bottom rod, a bottom rib, a cross bar and a cross rib;Wherein, the two ends of the two bottom rods are respectively welded at the two end bottoms of the two cross bars, and the two bottom rods and the two cross bars form a frame structure together;The bottom rib is welded at the bottom of the two cross bars and is located at the inner side of the two cross bars;The upper hoisting part comprises a hoisting rod, a side rib, a cross plate and a support rod;Wherein, the bottom parts of the four side ribs are respectively welded at the two ends of the two cross bars, the top parts of the two side ribs on the same side are respectively welded at the end parts of the hoisting rod, forming a triangular structure;A cross plate is fixedly welded between the two side ribs on the same side, each cross plate is processed with an arc-shaped groove, the support rod is lapped on the two cross plates and placed in the arc-shaped groove, and the support rod is used for penetrating through the through hole in the middle part of the part, to ensure the stability of the part in the frock.

[0007] Further, the material of the large -scale gear ring trolley furnace quenching frock is Q235 steel.

[0008] Further, the two bottom ribs are welded at the bottom of the two cross bars and are located at the inner side of the two cross bars.

[0009] Further, the two ends of the hoisting rod have protruding parts protruding from the side ribs, which are used as the hoisting position of the crane.

[0010] Further, the support rod and the cross plate are connected by non-fixed connection.

[0011] (III) Beneficial Effects

[0012] The utility model provides a large -scale gear ring platform car furnace quenching frock, chassis part includes bottom bar, bottom rib, cross bar and cross rib, both ends of two bottom bars are welded in the both ends bottom of two cross bars respectively, and common frame structure is formed, bottom rib is welded in the bottom of two cross bars and is located the inside of two cross bars, upper hoisting part includes suspender, side rib, cross plate and support rod, the bottom of four side ribs is welded in the both ends of two cross bars respectively, the top of two side ribs of same side is welded in the end part of suspender respectively, forms triangle structure, one cross plate is welded fixedly between two side ribs of same side, has the arc slot on each cross plate, and the support rod is overlapped on two cross plates and is placed in the arc slot. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is large -scale gear ring platform car furnace quenching frock three -dimensional structure schematic view of the utility model;

[0014] Fig. 2 It is large -scale gear ring platform car furnace quenching frock front view of the utility model;

[0015] Fig. 3 It is large -scale gear ring platform car furnace quenching frock plan view of the utility model.

[0016] In the drawing: 1-bottom bar, 2-bottom rib, 3-cross bar, 4-cross rib, 5-suspender, 6-side rib, 7-cross plate, 8-support rod. DETAILED DESCRIPTION

[0017] In order to make the purpose, content and advantages of the utility model more clear, the specific implementation of the utility model is described in further detail below by combining with the drawings and examples.

[0018] The utility model proposes a large -scale gear ring platform car furnace quenching frock, and its overall structure is as shown in Figs. 1-3 Mainly including chassis part and upper hoisting part, and material adopts Q235 steel.

[0019] The chassis part comprises two bottom bars 1, two bottom ribs 2, two cross bars 3 and two cross ribs 4. The two ends of the two bottom bars 1 are respectively welded at the bottom of the two ends of the two cross bars 3, and the two bottom bars 1 and the two cross bars 3 form a frame structure. The two bottom ribs 2 are welded at the bottom of the two cross bars 3 and are located at the inner side of the two cross bars 3. Through the above structure design, the weight can be reduced on the basis of ensuring the stability of the chassis part as much as possible.

[0020] The upper hoisting part comprises four hoisting bars 5, four side ribs 6, two cross plates 7 and four supporting bars 8. The bottom of the four side ribs 6 is respectively welded at the two ends of the two cross bars 3, the top of the two side ribs 6 on the same side is respectively welded at the end of the hoisting bar 5, the two ends of the hoisting bar 5 are respectively welded and fixed to the side rib 6, thereby forming a triangular stable structure to ensure the durability. One cross plate 7 is welded and fixed between the two side ribs 6 on the same side. An arc-shaped groove is formed on each cross plate 7, and the supporting bar 8 is overlapped on the two cross plates 7 and is placed in the arc-shaped groove. In use, the parts are vertically placed on the cross rib 4 of the chassis part and are placed side by side. The supporting bar 8 passes through the through hole in the middle of the part to ensure the stability of the part in the tooling and prevent the part from being turned over and bumped. The protruding part at the two ends of the hoisting bar 5 is used as the hoisting position of the crane, and the furnace charging and discharging operation is carried out by using the crane suspension, which is simple and convenient.

[0021] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A large ring gear trolley furnace quenching tooling characterized by, The large gear ring platform car furnace quenching tooling includes a chassis part and an upper hoisting part; wherein, The chassis part includes bottom bars, bottom ribs, cross bars and cross ribs; wherein, two ends of the two bottom bars are respectively welded at the two ends of the two cross bars, and the two bottom bars and the two cross bars jointly form a frame structure; the bottom ribs are welded at the bottom of the two cross bars and are located at the inner side of the two cross bars; The upper hoisting part includes hoisting bars, side ribs, cross plates and support bars; wherein, the bottom parts of the four side ribs are respectively welded at the two ends of the two cross bars, the top parts of the two side ribs on the same side are respectively welded at the end parts of the hoisting bars, forming a triangular structure; one cross plate is fixedly welded between the two side ribs on the same side, each cross plate is processed with an arc-shaped groove, the support bars are overlapped on the two cross plates and are placed in the arc-shaped grooves, and the support bars are used for penetrating through the through holes in the middle parts of the parts, so as to ensure the stability of the parts in the tooling.

2. The large ring gear bed furnace quenching tooling of claim 1, wherein, The material of the large gear ring platform car furnace quenching tooling is Q235 steel.

3. The large ring gear bed furnace quenching tooling of claim 1, wherein, Two bottom ribs are welded at the bottom of the two cross bars and are located at the inner side of the two cross bars.

4. The large ring gear bed furnace quenching tooling of claim 1, wherein, The two ends of the hoisting bar have protruding parts protruding from the side ribs, which are used as the hoisting positions of the crane.

5. The large ring gear bed furnace quenching tooling of claim 1, wherein, The support bars and the cross plates are non-fixedly connected.