CN217102662U

CN217102662U - Hoisting device of pit type heat treatment furnace

Info

Publication number: CN217102662U
Application number: CN202220814061.1U
Authority: CN
Inventors: 谭秋云; 王小平
Original assignee: Changsha Shangre Heat Treatment Co ltd
Current assignee: Changsha Shangre Heat Treatment Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-02
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a hoist device of pit heat treatment furnace, include with mounting panel, the locating of fire door size matching the hoist and mount board, the running through of mounting panel a plurality of work piece mounting holes, the corresponding work piece hoist that hangs in every work piece mounting hole of mounting panel, be equipped with the hole for hoist on the hoist and mount board. The utility model provides a hoist device of pit type heat treatment furnace can realize the hoist and mount of the long work piece that matches with the stove is dark, and the business turn over stove is simple.

Description

Hoisting device of pit type heat treatment furnace

Technical Field

The utility model relates to a heat treatment processing technology field, concretely relates to hoist device of pit type heat treatment furnace.

Background

Metal heat treatment is the process of holding and cooling a workpiece by heating to obtain the required structure and properties. During the heat treatment process, a workpiece needs to be hoisted by using a proper tool and placed into a furnace for heating and heat preservation, and then the workpiece is taken out of the furnace for proper cooling. Shaft workpieces are usually hung in a shaft furnace through a tool for heating, a traditional lifting appliance generally hangs welding round steel of the workpieces on a special lifting appliance, and the lifting appliance extends out of the furnace through middle holes of two half furnace doors and is fixed, as shown in fig. 1. However, the production often encounters the situation that the length of the shaft is basically consistent with the depth of the furnace, so that the furnace can not be loaded by using the traditional lifting appliance, and the furnace door can not be closed even if the furnace is loaded by force.

In view of this, it is necessary to provide a new hoisting device to solve the hoisting problem of the extra-long shaft.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a hoist device of pit heat treatment furnace can realize the hoist and mount of the long work piece that matches with the stove is dark, and the business turn over stove is simple.

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides a hoist device of pit heat treatment furnace, includes the mounting panel that matches with the fire door size, locates the hoist and mount board of mounting panel, run through a plurality of work piece mounting holes of mounting panel, correspond the work piece hoist that hangs in every work piece mounting hole, be equipped with the hole for hoist on the hoist and mount board.

Furthermore, the lifting device also comprises a plurality of reinforcing ribs arranged on the mounting plate, and one side of each reinforcing rib is connected with the lifting plate.

Further, the reinforcing ribs are trapezoidal.

Further, the workpiece lifting appliance is a T-shaped steel plate.

Furthermore, the hoisting plate is also provided with two bearing holes, and the two bearing holes are distributed on two sides of the hoisting hole.

Furthermore, the hoisting plate comprises a main body and two convex blocks formed on two sides of the top of the main body, and the two bearing holes are formed in the convex blocks and correspond to the convex blocks one to one.

Further, the number of the workpiece mounting holes is 4-12.

Compared with the prior art, the utility model provides a hoist device of pit type heat treatment furnace, beneficial effect lies in:

the size of the mounting plate is matched with the size of a furnace opening, and the mounting plate is used for sealing a furnace door when heating and heat preservation are carried out; the mounting plate is provided with a plurality of workpiece mounting holes, and each workpiece mounting hole is correspondingly provided with a workpiece lifting appliance, so that the length of the workpiece can be consistent with the furnace depth.

Two, the utility model provides a hoist device of pit-type heat treatment furnace, mounting panel have the effect of furnace gate concurrently, and the mounting panel lifts by crane along with the work piece during hoist and mount, compares in the structure that the furnace gate need be opened and closed in hoist and mount among the prior art, and hoist and mount are simpler, convenient.

Thirdly, the utility model provides a hoist device of pit heat treatment furnace is provided with the polylith strengthening rib on the mounting panel, has improved the bearing capacity of mounting panel to can prevent that the mounting panel from warping.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic structural view of a prior art lifting device;

FIG. 2 is a schematic structural view of a hoisting device of the pit-type heat treatment furnace of the present invention;

FIG. 3 is a schematic view of another angle of the hoist apparatus of the shaft type heat treatment furnace shown in FIG. 2;

fig. 4 is a partial structural schematic view of the lifting device of the shaft type heat treatment furnace shown in fig. 2.

Detailed Description

In order to make the technical solution in the embodiments of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the following description of the embodiments of the present invention is provided with reference to the accompanying drawings.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Please refer to fig. 2 to fig. 4, wherein fig. 2 is a schematic structural diagram of a hoisting device of a pit-type heat treatment furnace according to the present invention; FIG. 3 is a schematic view of another angle of the hoist apparatus of the shaft type heat treatment furnace shown in FIG. 2; fig. 4 is a partial structural view of the hoist device of the shaft type heat treatment furnace shown in fig. 2. The utility model provides a hoist device of pit type heat treatment furnace includes mounting panel 1, locates mounting panel 1 hoist and mount board 2, a plurality of workpiece setting hole 3 that run through the mounting panel, corresponds to hang in the work piece hoist 4 of every workpiece setting hole, locate mounting panel 1's strengthening rib 5.

The mounting panel 1 is circular steel sheet, and its size matches with the fire door size, and when the work piece heated the heat preservation, the fire door was located to the mounting panel, had the effect of furnace door concurrently, and it keeps warm to lay the cotton heat preservation of heat preservation on it.

The mounting plate 1 is provided with a plurality of workpiece mounting holes 3, and the workpieces 100 are assembled with the workpiece lifting device 4 and then loaded into the furnace through the workpiece mounting holes 3. The utility model discloses in, work piece hoist 4 is T shaped steel board, hangs in the work piece mounting hole, and its one end and the work piece welded fastening that inserts the mounting panel, the other end supports on the mounting panel. Specifically, the number of the workpiece mounting holes 3 is 4-12, correspondingly, the number of the working lifting appliances 4 is 4-12, and the purpose of simultaneously carrying out heat treatment on a plurality of workpieces is achieved.

The hoisting plate 2 is a square steel plate and is vertically arranged at the center of the mounting plate. The top of the hoisting plate 2 is provided with a hoisting hole 21, and the hoisting can be realized by hooking a hoisting hook of the crane into the hoisting hole. Preferably, the hoisting plate 2 is further provided with two bearing holes 22, and the two bearing holes 22 are distributed on two sides of the hoisting hole 21. After the workpiece is placed into the furnace, two round steel bars are inserted into the bearing holes 22 and supported on the furnace, and then the furnace entering operation of the hoisting device can be realized.

In this embodiment, the hoisting plate 2 includes a main body 23 and two protrusions 24 formed on the top of the main body 23, the hoisting hole 21 is formed on the top of the main body 23, and the two bearing holes 22 are formed on the protrusions 24 and correspond to the protrusions one to one.

The reinforcing rib 5 is arranged on the mounting plate 1, and one side of the reinforcing rib is connected with the hoisting plate 2. In this embodiment, the number of the reinforcing ribs 5 is 2 to 4, which is used to improve the bearing capacity of the mounting plate and prevent the mounting plate from deforming. In this embodiment, the reinforcing ribs are trapezoidal.

Taking RJ2-175-12 well type resistance furnace as an example, the mounting plate 1 is a phi 680X80 steel plate, six workpiece mounting holes with phi 140mm are arranged on the steel plate and are uniformly distributed, the upper end of the hoisting plate 2 is 900mm wide, the convex block parts at two sides are 120mm high, the middle part of the hoisting plate is provided with a phi 100mm hoisting hole 21, the convex block parts are provided with two phi 65mm bearing holes, the lower end of the hoisting plate is 680mm wide, 400mm high and 30mm thick, the four reinforcing ribs 5 are trapezoids, the upper side and the lower side of the reinforcing rib are respectively 100mm and 250mm high, and the thickness of the reinforcing rib is 25 mm.

The workpiece lifting appliance 4 is a T-shaped steel plate, penetrates through the workpiece mounting hole 3 after being welded with the workpiece, is loaded into the lifting device, is lifted into the furnace together, inserts two round steel with 60mm phi into the two bearing holes, pads the whole bearing workpiece, and then fully spreads heat-insulating fibers on the mounting plate for heat insulation. And (4) removing the heat preservation fiber when discharging, hooking a lifting hook of the travelling crane into the lifting hole, and lifting and quenching.

The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.

Claims

1. The hoisting device of the pit type heat treatment furnace is characterized by comprising a mounting plate matched with the size of a furnace opening, a hoisting plate arranged on the mounting plate, a plurality of workpiece mounting holes penetrating through the mounting plate, and a workpiece hoisting tool correspondingly suspended in each workpiece mounting hole, wherein the hoisting plate is provided with hoisting holes.

2. The hoisting device of the pit-type heat treatment furnace of claim 1, further comprising a plurality of reinforcing ribs provided on the mounting plate, wherein one side of the reinforcing ribs is connected to the hoisting plate.

3. The hoist device of the shaft heat treatment furnace as claimed in claim 2, wherein the reinforcing rib has a trapezoidal shape.

4. The hoist device of the shaft heat treatment furnace according to claim 1, wherein the work hanger is a T-shaped steel plate.

5. The hoisting device of the pit type heat treatment furnace according to claim 1, wherein the hoisting plate is further provided with two bearing holes, and the two bearing holes are distributed on two sides of the hoisting hole.

6. The hoist device of the shaft type heat treatment furnace as claimed in claim 5, wherein the hoist plate includes a body, two bosses formed on both sides of the top of the body, and two bearing holes provided in the bosses and corresponding to the bosses one to one.

7. The hoist of the shaft type heat treatment furnace as claimed in any one of claims 1 to 6, wherein the number of the workpiece mounting holes is 4 to 12.