CN218155539U

CN218155539U - Furnace roller quick replacement device of roller-hearth heat treatment furnace

Info

Publication number: CN218155539U
Application number: CN202222125305.8U
Authority: CN
Inventors: 陈开双
Original assignee: Baowu Group Echeng Iron and Steel Co Ltd
Current assignee: Baowu Group Echeng Iron and Steel Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-27
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a furnace roller quick replacement device of a roller hearth type heat treatment furnace, which comprises a furnace inner hanging mechanism and a furnace outer carrier roller mechanism, wherein the furnace inner hanging mechanism comprises a portal frame, the bottoms of two upright posts of the portal frame are respectively provided with a V-shaped supporting roller, the V-shaped supporting rollers are used for axially walking along the furnace roller on the furnace roller, the middle part of a cross beam of the portal frame is provided with two lifting ropes, the bottoms of the two lifting ropes are connected with an arc supporting plate, and the arc supporting plate is used for supporting the furnace roller in the furnace; the furnace external carrier roller mechanism comprises a support frame, the length direction of the support frame is arranged along the axial direction of the furnace rollers, and a plurality of groups of carrier rollers are arranged at the top of the support frame along the length direction so as to receive the furnace rollers removed from the furnace or input the furnace rollers into the furnace; the utility model discloses it is more convenient to use, has alleviateed intensity of labour, has practiced thrift the roll change time.

Description

Furnace roller quick replacement device of roller-hearth heat treatment furnace

Technical Field

The utility model relates to the technical field of roller replacement of roller-hearth heat treatment furnaces, in particular to a quick furnace roller replacement device of a roller-hearth heat treatment furnace.

Background

The heat treatment furnace roller is easy to damage after being used in a high-temperature environment for a long time, when the damaged furnace roller is replaced, the damaged roller is lifted and a new roller is difficult to lift, when the new roller enters, collision is easy to occur to damage the surface of the roller, and the alignment adjustment of the mounting center is time-consuming and labor-consuming. In the process of disassembly and assembly, if an appropriate method is not adopted, the labor intensity is high, the safety risk is high, the time is long, the roll surface of a new roll is easy to damage, and the installation precision of the roll is difficult to guarantee.

Disclosure of Invention

The utility model aims at solving the problems of high strength, time and labor waste in roller replacement of the prior roller hearth heat treatment furnace, and providing a quick furnace roller replacement device of the roller hearth heat treatment furnace.

The utility model discloses a concrete scheme is: a furnace roller quick replacement device of a roller hearth type heat treatment furnace comprises a furnace inner hanging mechanism and a furnace outer carrier roller mechanism, wherein the furnace inner hanging mechanism comprises a portal frame, the bottoms of two upright posts of the portal frame are respectively provided with a V-shaped supporting roller, the V-shaped supporting rollers are used for axially walking on furnace rollers along the furnace rollers, the middle part of a cross beam of the portal frame is provided with two lifting ropes, the bottoms of the two lifting ropes are connected with an arc supporting plate, and the arc supporting plate is used for supporting the furnace rollers in the furnace; the external carrier roller mechanism comprises a support frame, the length direction of the support frame is arranged along the axial direction of the furnace rollers, and a plurality of groups of carrier rollers are arranged at the top of the support frame along the length direction so as to receive the furnace rollers removed from the furnace or input the furnace rollers into the furnace.

The carriage top is equipped with a plurality of groups supporting shoe along length direction, and each group supporting shoe comprises two trapezoidal sloping blocks, and two trapezoidal sloping block symmetrical arrangement and relative one side respectively are equipped with an inclined plane, and an extension board is respectively equipped with to inclined plane upper end and lower extreme, is equipped with the bearing roller between two extension boards.

Universal gyro wheel is equipped with to support frame bottom, universal gyro wheel is equipped with brake mechanism.

The distance between two columns of the portal frame is twice the distance between the furnace rollers.

A plurality of groups bearing roller are installed on a flat board, are equipped with the cushion between dull and stereotyped and the carriage top surface, and the cushion is used for adjusting the bearing height of bearing roller.

The utility model discloses following beneficial effect has: when the furnace roller is removed, the furnace roller is supported by the hanging mechanism, the furnace roller can be easily pushed out of the furnace, and the furnace roller can be easily received by the external furnace roller mechanism, so that a travelling crane in a factory can be conveniently hung and separated; the furnace roller can be ensured to smoothly go out of and enter the furnace wall hole, and the roller surface is not easy to damage; the device convenient to use has reduced intensity of labour, and it is short to change stove roller cost time, and the safety risk is little, can also guarantee stove roller installation accuracy.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 isbase:Sub>A view A-A of FIG. 2;

FIG. 4 is an enlarged view at V of FIG. 3;

in the figure: 1-support frame, 2-trapezoidal inclined block, 3-carrier roller, 4-furnace wall, 5-furnace roller, 6-portal frame, 7-lifting rope, 8-arc supporting plate, 9-V-shaped support roller and 10-flat plate.

Detailed Description

Referring to fig. 1-4, the present embodiment is a furnace roller quick replacement device for a roller hearth heat treatment furnace, including a furnace inner hanging mechanism and a furnace outer roller mechanism, where the furnace inner hanging mechanism includes a gantry 6, two vertical columns of the gantry 6 are respectively provided with a V-shaped support roller 9 at the bottom, the V-shaped support rollers 9 are used for axially moving on the furnace rollers 5 along the furnace rollers 5, two lifting ropes 7 are arranged in the middle of a cross beam of the gantry 6, the bottoms of the two lifting ropes 7 are connected with an arc-shaped supporting plate 8, and the arc-shaped supporting plate 8 is used for supporting the furnace rollers 5 in the furnace; the external carrier roller mechanism comprises a support frame 1, the length direction of the support frame 1 is axially arranged along a furnace roller 5, and a plurality of groups of carrier rollers are arranged on the top of the support frame 1 along the length direction so as to receive the furnace roller moved out of the furnace or input the furnace roller into the furnace.

In this embodiment the top of support frame 1 is equipped with a plurality of groups of supporting shoe along length direction, and each group of supporting shoe comprises two trapezoidal sloping blocks 2, and two trapezoidal sloping blocks 2 symmetrical arrangement and relative one side respectively are equipped with an inclined plane, and an extension board is respectively equipped with to inclined plane upper end and lower extreme, is equipped with bearing roller 3 between two extension boards.

This embodiment universal gyro wheel is equipped with to support frame 1 bottom, and universal gyro wheel is equipped with brake mechanism.

In this embodiment, the distance between two columns of the gantry 6 is twice the distance between the furnace rollers.

In this embodiment, a plurality of sets of carrier rollers are mounted on a flat plate 10, and a cushion block is mounted between the flat plate 10 and the top surface of the support frame 1 and used for adjusting the supporting height of the carrier rollers.

The specific steps of replacing the furnace roller by adopting the embodiment are as follows:

1. and (4) cleaning the roller surface residual tumor and accumulated ash of the left and right adjacent furnace rollers needing to be replaced in the furnace.

2. The two in-furnace hanging mechanisms are arranged above the furnace rollers to be replaced at a certain interval, the arc-shaped supporting plates 8 support the furnace rollers, and the V-shaped supporting roller frames on two sides are arranged on the two adjacent furnace rollers.

3. Dismantling furnace roller connecting pieces such as a coupler, bearing end covers at two sides and roller head heat insulation materials which need to be replaced in the furnace; in order to reduce the workload, the transmission side motor reducer is not required to be detached.

4. And a support frame of the external carrier roller mechanism is arranged on the non-transmission side, and the height of the flat plate is adjusted through the cushion block, so that the support center height of the carrier roller is aligned to the center of the 4 holes of the removed furnace wall.

5. The furnace roller to be replaced is pushed out towards the non-transmission side in the furnace through two groups of hanging mechanisms, is supported and connected by a carrier roller mechanism outside the furnace, and is pushed out continuously until the furnace roller is completely pushed onto the carrier roller outside the furnace.

6. And hoisting the furnace roller to be replaced to the empty space of the factory building by using a crane in the factory building, and then hoisting a new furnace roller to the carrier roller.

7. And pushing a new furnace roller into the furnace, supporting the furnace roller by using two groups of hanging mechanisms (keeping a certain distance) in the furnace, and moving the furnace roller to the installation position by using a sliding portal frame.

8. And (4) installing furnace roller connecting pieces such as roller head heat insulation materials, bearing end covers at two sides, a coupler and the like.

9. And (5) dismantling the in-furnace hanging mechanism.

Claims

1. The utility model provides a stove roller quick replacement device of roller bed formula heat treatment furnace which characterized by: the furnace hanging mechanism comprises a portal frame, the bottoms of two upright posts of the portal frame are respectively provided with a V-shaped supporting roller, the V-shaped supporting rollers are used for axially walking on a furnace roller along the furnace roller, the middle part of a cross beam of the portal frame is provided with two lifting ropes, the bottoms of the two lifting ropes are connected with an arc supporting plate, and the arc supporting plate is used for supporting the furnace roller in the furnace; the external carrier roller mechanism comprises a support frame, the length direction of the support frame is arranged along the axial direction of the furnace rollers, and a plurality of groups of carrier rollers are arranged at the top of the support frame along the length direction so as to receive the furnace rollers removed from the furnace or input the furnace rollers into the furnace.

2. The apparatus of claim 1, wherein the furnace roller is rapidly replaced by a roller-type heat treatment furnace comprising: the supporting frame is characterized in that a plurality of groups of supporting blocks are arranged on the top of the supporting frame along the length direction, each group of supporting blocks is composed of two trapezoidal inclined blocks, an inclined plane is respectively arranged on one opposite side of each of the two trapezoidal inclined blocks, a supporting plate is respectively arranged at the upper end and the lower end of each inclined plane, and a supporting roller is arranged between the two supporting plates.

3. The apparatus for rapidly replacing rolls of a roll-hearth heat treatment furnace according to claim 1, wherein: the bottom of the support frame is provided with universal rollers, and the universal rollers are provided with brake mechanisms.

4. The apparatus for rapidly replacing rolls of a roll-hearth heat treatment furnace according to claim 1, wherein: the distance between two upright posts of the portal frame is twice the furnace roller distance.

5. The apparatus of claim 1, wherein the furnace roller is rapidly replaced by a roller-type heat treatment furnace comprising: the supporting rollers are arranged on a flat plate, a cushion block is arranged between the flat plate and the top surface of the supporting frame, and the cushion block is used for adjusting the supporting height of the supporting rollers.