CN217686535U

CN217686535U - Roller hearth furnace roller grabbing mechanism

Info

Publication number: CN217686535U
Application number: CN202220457317.8U
Authority: CN
Inventors: 韩涛; 杨莉
Original assignee: Jiangsu Fengdong Environmental Protection Technology Co ltd
Current assignee: Jiangsu Fengdong Environmental Protection Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-10-28
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a roller hearth furnace stove roller snatchs mechanism, including furnace body, stove roller and stove roller bearing structure, the driven end of stove roller still is provided with snatchs the mechanism, the utility model discloses have simple structure, take temperature operation, high efficiency, save time, improve productivity, energy saving and consumption reduction, overhaul at any time and overhaul convenient technological effect, greatly promoted the plant maintenance ability, can accomplish maintenance work on line even, and needn't shut down, promoted the yield of handling the product, improved the efficiency utilization ratio, and environmental friendliness is high.

Description

Roller hearth furnace roller grabbing mechanism

Technical Field

The utility model relates to a high temperature heating equipment technical field, especially a roller hearth furnace roller snatchs mechanism.

Background

At present, the maximum operation temperature of a roller hearth type heating furnace is 1100 ℃, the common working temperature is 750-1050 ℃, the diameter of a medium-large furnace roller is about phi 300mm, the total length of the furnace roller is about 4 meters, the furnace roller is arranged in equipment, the furnace roller can extend by about 80mm after thermal expansion in a high-temperature working state, when the furnace roller needs to be overhauled or replaced, the heating furnace is required to be in a shutdown state and to be cooled to normal temperature, an operator enters a hearth to operate and can dismantle, overhaul or replace the furnace roller, the dismounting, overhauling and replacing modes are heavy, the efficiency is low, the operation is complex, the work task of a constructor is heavy, the cooling process is long, 2-3 days are usually needed, resource waste is formed, the furnace roller cannot be overhauled at a very low temperature, and the energy-saving and environment-friendly performance is poor.

Disclosure of Invention

An object of the utility model is to provide a simple structure, area temperature operation, high efficiency, energy saving and consumption reduction and overhaul convenient roller hearth furnace roller and snatch mechanism.

Realize the utility model discloses the technical solution of purpose does: the utility model provides a roller hearth furnace stove roller snatchs mechanism, includes furnace body, stove roller and stove roller bearing structure, the driven end of stove roller still is provided with snatchs the mechanism.

Preferably, the grabbing mechanism is fixed at the tail end of the driven end, and a threaded hole is formed in the section of the tail end of the grabbing mechanism.

Preferably, the threaded hole is located on the axis center line of the furnace roller.

Preferably, the gripping mechanism is in the shape of a circular truncated cone.

Preferably, the included angle between the generatrix of the gripping mechanism in the shape of a circular truncated cone and the axis center line of the furnace roller is 1-10 degrees.

Preferably, the included angle between the generatrix on the circular truncated cone shape of the grabbing mechanism and the axis center line of the furnace roller is 5 degrees.

Preferably, the upper bottom surface of the gripping mechanism is located on the side facing away from the furnace roller.

Preferably, the grabbing mechanism and the driven end of the furnace roller are integrally formed.

Preferably, roller hearth furnace roller snatchs mechanism includes thermal-insulated section of thick bamboo, thermal-insulated section of thick bamboo suit is in the driven end position of furnace roller, and thermal-insulated section of thick bamboo fixed mounting is on the furnace body.

Preferably, the furnace roller supporting structure comprises a supporting frame on the furnace body and a bearing seat arranged on the supporting frame, and the furnace roller is assembled in the bearing seat.

Compared with the prior art, the utility model, it is showing the advantage: the utility model has the advantages of simple structure, take temperature operation, high efficiency, save time, improve productivity, energy saving and consumption reduction, overhaul at any time and overhaul convenient technological effect, greatly promoted the plant maintenance ability, can accomplish maintenance work on line even, and needn't shut down, promoted the yield of handling the product, improved the efficiency utilization ratio, and the environmental friendliness degree is high.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a front view of the roller hearth furnace roller grabbing mechanism of the utility model.

Fig. 2 is an enlarged view of the J portion of fig. 1 according to the present invention.

Detailed Description

As shown in fig. 1 and 2, the roller furnace roller grabbing mechanism of the roller furnace comprises a furnace body 1, a furnace roller 5 and a furnace roller supporting structure, wherein a grabbing mechanism 51 is further arranged at the driven end of the furnace roller 5; the grabbing mechanism 51 is fixed at the tail end of the driven end, a threaded hole 511 is formed in the section of the tail end of the grabbing mechanism 51, and the threaded hole 511 is located on the central line of the axis of the furnace roller 5; the grabbing mechanism 51 is in a circular truncated cone shape, an included angle between a bus on the circular truncated cone shape of the grabbing mechanism 51 and the axis center line of the furnace roller 5 is 5 degrees, the upper bottom surface of the grabbing mechanism 51 is positioned on one side departing from the furnace roller 5, and the grabbing mechanism 51 and the driven end of the furnace roller 5 are integrally formed; roller hearth furnace roller snatchs mechanism includes a thermal-insulated section of thick bamboo 4, a thermal-insulated 4 suits of section of thick bamboo are in the driven end position of furnace roller 5, and a thermal-insulated 4 fixed mounting on furnace body 1.

The furnace roller supporting structure comprises a supporting frame 2 on a furnace body 1 and a bearing seat 3 arranged on the supporting frame 2, and a furnace roller 5 is assembled in the bearing seat 3.

The utility model discloses stove roller bearing structure another mode can be: the bearing seat 3 is installed and fixed on a surface vertical plate of the heat insulation cylinder 4 contacted with the furnace body 1, thereby realizing the consistent technical purpose.

The embodiment of the utility model provides an in, stove roller 5 forms for centrifugal casting, snatchs mechanism 51 and the whole preparation of driven end and constitutes jointly into the driven end spindle nose, and it all adopts to forge behind the shaping rough machining and carry out argon arc welding with the roll body with the drive end spindle nose, and after the whole shaping, carry out the finish machining once more and form.

The utility model discloses when using, open 5 departments of stove roller to need to be changed through the roll change dolly, demolish stove roller back bearing frame 3 earlier and take out, demolish the back with 4 bolts of thermal-insulated section of thick bamboo, the roll change dolly presss from both sides to get the head and advances to 5 driven end spindle nose departments of stove roller, with snatch the mechanism 51 laminating back, tighten up the lead screw in the roll change dolly clamp is got, the lead screw will press from both sides through screw hole 511 and get the head and snatch mechanism 51 and lock, hydraulic means on the roll change dolly presss from both sides the round platform shape of pressing from both sides on the head and snatching mechanism 51, atress between lead screw and the screw hole 511 is with stove roller 5 jacking 10 ~ 20mm apart from the back, the rethread roll change dolly is retreated, slowly take out stove roller 5, the workshop overhead traveling crane hangs away stove roller 5, overhaul. The whole process does not need to be carried out under the condition that the roller hearth type heating furnace is cooled to the normal temperature, the operation can be carried out at the non-normal temperature, and even in the working process of the heating furnace, the online operation can be carried out, and the effect and the characteristic of maintenance at any time are achieved. Upon re-installation, it is clear that the order is reversed and the assembly process is easily carried out by the skilled person.

The technical characteristics of the utility model lie in, snatch the design that is equipped with screw hole 511 on the mechanism 51 tail end cross-section, can be better with roll change dolly clamp get the head and cooperate, press from both sides overhead have tighten up the lead screw and with the mechanism that snatchs mechanism 51 round platform shape and match, when the stove roller goes up and down and goes out of the stove, let the mechanism 51 that snatchs of stove roller 5 get the head with the dolly clamp and closely cooperate not hard up to realize convenient snatching and remove stove roller 5.

When the bearing seat 3 is mounted and fixed on the surface vertical plate of the heat insulation cylinder 4 contacting with the furnace body 1, the technical effect can be easily realized by the technical personnel in the field.

Additionally, in the utility model discloses in, snatch mechanism 51 also need not adopt the technical mechanism of above-mentioned screw hole 511, and the tongs that adopt various forms and fixed establishment are fixed in the driven end through forms such as welding, fastening, also can realize equally the utility model discloses a core technological effect, technical scheme is very simple, and the technical scheme is according to the utility model discloses the above description has been very conveniently realized, and the explanation is given by way of example to this point.

Compared with the prior art, the technical scheme of the utility model, have simple structure, take temperature operation, high efficiency, save time, improve productivity, energy saving and consumption reduction, overhaul at any time and overhaul convenient technological effect, greatly promoted the plant maintenance ability, can accomplish the maintenance work on line even, and needn't shut down, promoted the yield of handling the product, improved the efficiency utilization ratio, and the environmental friendliness degree is high.

In addition to the above embodiments, other embodiments not described above should be within the scope of the present invention. The particular embodiments described herein are illustrative only, as various modifications or additions may be made or substituted in the art without departing from the spirit and scope of the invention as defined in the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the terms being used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a roller hearth furnace stove roller snatchs mechanism, includes furnace body (1), stove roller (5) and stove roller bearing structure, its characterized in that, the driven end of stove roller (5) still is provided with snatchs mechanism (51).

2. The roller hearth furnace roller grabbing mechanism is characterized in that the grabbing mechanism (51) is fixed to the tail end of the driven end, and a threaded hole (511) is formed in the cross section of the tail end of the grabbing mechanism (51).

3. The roller hearth furnace roller gripping mechanism according to claim 2, wherein the threaded hole (511) is located on the axis center line of the furnace roller (5).

4. The roller hearth furnace roller gripping mechanism according to claim 2, wherein said gripping mechanism (51) is in the shape of a circular truncated cone.

5. The roller hearth furnace roller grabbing mechanism according to claim 4, wherein an included angle between a generatrix on a circular truncated cone shape of the grabbing mechanism (51) and an axial center line of the furnace roller (5) is 1-10 degrees.

6. The roller hearth furnace roller gripping mechanism according to claim 5, wherein an included angle between a generatrix on the circular truncated cone shape of the gripping mechanism (51) and the axis center line of the furnace roller (5) is 5 degrees.

7. Roller hearth furnace roller gripping mechanism according to claim 4, characterised in that the upper bottom surface of the gripping mechanism (51) is located on the side facing away from the furnace roller (5).

8. The roller hearth furnace roller gripping mechanism according to claim 1, 2, 3, 4, 5, 6 or 7, wherein said gripping mechanism (51) is made integrally with the driven end of the furnace roller (5).

9. The roller hearth furnace roller grabbing mechanism is characterized by comprising a heat insulation cylinder (4), wherein the heat insulation cylinder (4) is sleeved at the driven end position of the furnace roller (5), and the heat insulation cylinder (4) is fixedly installed on the furnace body (1).

10. The roller hearth furnace roller grabbing mechanism is characterized in that a furnace roller supporting structure comprises a supporting frame (2) on a furnace body (1) and a bearing seat (3) installed on the supporting frame (2), and a furnace roller (5) is assembled in the bearing seat (3).