CN214735936U - Sealing device for lower supporting plate of stepping heat treatment furnace - Google Patents
Sealing device for lower supporting plate of stepping heat treatment furnace Download PDFInfo
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- CN214735936U CN214735936U CN202120325029.2U CN202120325029U CN214735936U CN 214735936 U CN214735936 U CN 214735936U CN 202120325029 U CN202120325029 U CN 202120325029U CN 214735936 U CN214735936 U CN 214735936U
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Abstract
The utility model discloses a marching type heat treatment furnace bottom plate sealing device, including stove bottom walking beam, stove bottom steel sheet, upper seal assembly, seal assembly coupling mechanism, lower floor's seal assembly, wherein: the upper sealing assembly comprises a sealing material and a sealing plate, the sealing assembly connecting mechanism comprises an elastic mechanism and a limiting mechanism, and the lower sealing assembly comprises a device frame, a horizontal movement mechanism and a vertical movement mechanism. The device can greatly improve the heat preservation capability in the heat treatment furnace and the heat insulation capability under the furnace, improve the heat treatment capability of the heat treatment furnace and avoid deformation and oxidation of the furnace bottom steel plate caused by the temperature process under the furnace.
Description
Technical Field
The utility model relates to a sealing technical field of a stepping furnace, in particular to a sealing device for a lower supporting plate of a stepping heat treatment furnace.
Background
In the metallurgical industry, the stepping heat treatment furnace is widely used for heating of heat treatment such as normalizing, annealing, tempering, quenching and the like of blanks such as round rods, steel pipes and the like. Due to the limitation of the geometric dimension of the stepping heat treatment furnace, the sealing performance of the lower sealing supporting plate of the stepping movable beam is always the design key point of the furnace type.
The sealing capacity of the stepping furnace directly influences the heat preservation capacity of the bottom of the hearth, and the temperature of the sealing part of the lower sealing supporting plate is too high due to heat dissipation, so that the steel plate at the bottom of the furnace is deformed and oxidized.
Disclosure of Invention
The utility model provides a lower supporting plate sealing device of a stepping heat treatment furnace, which solves the problems of furnace bottom steel plate deformation and serious oxidation caused by the over-high furnace bottom temperature due to poor sealing property in the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
a sealing device for a lower supporting plate of a stepping heat treatment furnace comprises: the device comprises a furnace bottom stepping movable beam (100), a furnace bottom steel plate (200), an upper sealing assembly (300), a sealing assembly connecting mechanism (400) and a lower sealing assembly (500), wherein the upper sealing assembly (300) comprises a sealing material (310) and a sealing plate (320), the sealing assembly connecting mechanism (400) comprises an elastic mechanism (410) and a limiting mechanism (420), and the lower sealing assembly (500) comprises a device frame (510), a horizontal movement mechanism (520) and a vertical movement mechanism (530).
More preferably, the elastic mechanism (410) is composed of a plurality of springs, and the springs are uniformly distributed on two sides of the furnace bottom walking beam (100) and between the upper sealing assembly (300) and the lower sealing assembly (500).
More preferably, the limiting mechanism (420) comprises a plurality of limiting bolts (421) and limiting nuts (422), and the limiting mechanism (420) is nested in the elastic mechanism (410).
More preferably, the device frame (510) comprises a side bracket (511), a walking beam guide pipe (512) and a device supporting plate (513), wherein the side bracket (511) is connected with the furnace bottom steel plate (200) to play a supporting role; the movable beam guide pipe (512) penetrates through the furnace bottom steel plate (200), the device supporting plate (513) is positioned between the side brackets (511) and connected with the limiting bolt (421) and the limiting nut (422), and the distance between the device supporting plate (513) and the sealing plate (320) can be changed by adjusting the limiting nut (422).
More preferably, the horizontal movement mechanism (520) is positioned below the side bracket (511) and the device supporting plate (513), and comprises a horizontal guide rail (521), a horizontal guide wheel shaft (522) and a horizontal guide wheel (523).
More preferably, the horizontal movement mechanism (520) further comprises a horizontal guide wheel bracket (524), wherein the horizontal guide wheel bracket (524) is positioned on the inner side of the side bracket (511) and above the horizontal guide wheel shaft (522) for strong supporting.
More preferably, the vertical movement mechanism (530) comprises a vertical guide wheel support (531), a vertical guide wheel shaft (532) and a vertical guide wheel (533), the vertical guide wheel support (531) is located right below the furnace bottom stepping movable beam (100), and the vertical guide wheel shaft (532) and the vertical guide wheel (533) are located on the vertical guide wheel support (531).
More preferably, the sealing material (310) is a fiber blanket.
Drawings
FIG. 1 is a schematic view of the front view structure of the present invention
FIG. 2 is a schematic view of the side view structure of the present invention
FIG. 3 is a schematic view of the top view structure of the present invention
In the figure: 100-furnace bottom walking beams, 200-furnace bottom steel plates, 300-upper sealing components, 400-sealing component connecting mechanisms and 500-lower sealing components,
310-sealing material, 320-sealing plate, 410-elastic mechanism, 420-limiting mechanism, 510-device frame, 520-horizontal movement mechanism, 530-vertical movement mechanism,
421-limiting bolt, 422-limiting nut, 511-side bracket, 512-movable beam guide tube, 513-device supporting plate, 521-horizontal guide rail, 522-horizontal guide wheel shaft, 523-horizontal guide wheel, 524-horizontal guide wheel bracket, 531-vertical guide wheel bracket, 532-vertical guide wheel shaft and 533-vertical guide wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an embodiment:
a sealing device for a lower supporting plate of a stepping heat treatment furnace comprises: furnace bottom walking beam 100, furnace bottom steel plate 200, upper seal assembly 300, seal assembly coupling mechanism 400, lower floor's seal assembly 500, wherein:
the upper seal assembly 300 includes a seal material 310, a seal plate 320; the sealing material 310 is generally a material with high temperature resistance and sealing capability, in this embodiment, a fiber blanket is used, and the sealing material 310 is disposed between the sealing plate 320 and the device supporting plate 513 to perform good thermal insulation.
The seal assembly attachment mechanism 400 includes a resilient mechanism 410 and a stop mechanism 420.
The elastic mechanism 410 is composed of a plurality of springs, the springs are uniformly distributed on two sides of the furnace bottom walking beam 100 and between the upper sealing assembly 300 and the lower sealing assembly 500, and the elastic mechanism 410 is used for providing supporting elastic force for the upper sealing assembly 300, so that the joint degree between the sealing material 310 and the furnace bottom steel plate 200 is better.
The limiting mechanism 420 comprises a plurality of limiting bolts 421 and limiting nuts 422, the elastic mechanism 410 is embedded at the periphery of the limiting bolts 421, the upper ends of the limiting bolts 421 are connected with the sealing plate 320, and the lower ends of the limiting bolts 421 and the limiting nuts 422 are matched to act on the lower-layer sealing assembly 500. The limiting mechanism 420 limits the elastic force of the elastic mechanism 410 through limiting capability, so as to avoid damage to the hearth steel plate caused by too large supporting elastic force or influence of too large friction force on normal movement of the device in the horizontal direction caused by too tight supporting elastic force.
The lower seal assembly 500 includes a device frame 510, a horizontal movement mechanism 520, and a vertical movement mechanism 530.
The device frame 510 comprises a side bracket 511, a movable beam guide pipe 512 and a device supporting plate 513, wherein the side bracket 511 is connected with the furnace bottom steel plate 200 for supporting. The walking beam guide tube 512 penetrates through the hearth steel plate 200. The device supporting plate 513 is positioned between the side brackets 511, and is connected to a limit bolt 421 and a limit nut 422, and the distance between the device supporting plate 512 and the sealing plate 320 can be changed by adjusting the limit nut 422.
The horizontal moving mechanism 520 is located below the side bracket 511 and the device supporting plate 513, and includes a horizontal guide rail 521, a horizontal guide wheel axle 522, a horizontal guide wheel 523 and a horizontal guide wheel bracket 524. The horizontal guide rail 521 is disposed at the lowest part of the horizontal movement mechanism 520 to provide a good horizontal movement guiding capability for the embodiment device, and the horizontal guide wheel shaft 522 and the horizontal guide wheel 523 are matched with the horizontal guide rail 521 to complete the horizontal movement of the embodiment device.
The horizontal guide wheel bracket 524 is located inside the side bracket 511 above the horizontal guide wheel axle 522 for strong support.
The vertical movement mechanism 530 includes a vertical guide wheel bracket 531, a vertical guide wheel shaft 532, and a vertical guide wheel 533. The furnace bottom stepping walking beam 100 is nested in the walking beam guide tube 512, a vertical guide wheel bracket 531, a vertical guide wheel shaft 532 and a vertical guide wheel 533 are arranged below the furnace bottom stepping walking beam, and the components form a vertical up-and-down movement mechanism of the device.
The vertical moving mechanism 530 is symmetrical, the two sides of the vertical moving mechanism act together on the two sides below the furnace bottom walking beam 100, and the upper vertical guide wheel 533 is in an inner arc wheel shape and matched with the outer cylindrical arc of the furnace bottom walking beam 100 to complete the limiting function of guiding the vertical moving of the furnace bottom walking beam 100 and the left-right swinging.
The specific working flow of the device is as follows:
a. preparing before work, adjusting a limit nut 422 according to the relative position of the device and the furnace bottom to ensure that the sealing plate 320 is attached to the furnace bottom steel plate 200, and filling the sealing material 310 between the sealing plate 320 and the device supporting plate 513
b. Example device moves upward. The vertical moving mechanism 530 assists the furnace bottom walking beams 100 to move upward and restrict the left and right ferrying thereof. At this time, the apparatus of the embodiment is fixed relative to the hearth steel plate 200 and moves up and down relative to the hearth walking beams 100.
c. Example device horizontal motion. The furnace bottom stepping movable beam 100 drives the device of the embodiment to horizontally move along with the operation of materials, and the sealing plate 320 is always attached to the furnace bottom steel plate 200 due to the elastic mechanism 410 in the moving process, so that the functions of heat preservation in the furnace and heat insulation outside the furnace are achieved. The horizontal movement of the embodiment device is more smooth due to the presence of the horizontal movement mechanism 520. At this time, the apparatus according to the embodiment is horizontally moved relative to the hearth steel plate 200 and is fixed relative to the hearth walking beams 100.
d. Example device moves downward. After the furnace bottom walking beam 100 finishes feeding, the furnace bottom walking beam needs to return to the original position again, and downward movement is firstly finished to separate materials. The vertical moving mechanism 530 assists the furnace bottom walking beams 100 in moving downward and restricts the left and right ferrying thereof. At this time, the apparatus of the embodiment is fixed relative to the hearth steel plate 200 and moves up and down relative to the hearth walking beams 100.
e. Example devices were returned to the original position. The furnace bottom walking beam 100 moves to the original starting position and drives the device of the embodiment to horizontally return to the initial position. At this time, the apparatus according to the embodiment is horizontally moved relative to the hearth steel plate 200 and is fixed relative to the hearth walking beams 100.
Claims (7)
1. A sealing device for a lower supporting plate of a stepping heat treatment furnace comprises: a furnace bottom stepping movable beam (100), a furnace bottom steel plate (200), an upper sealing assembly (300), a sealing assembly connecting mechanism (400) and a lower sealing assembly (500),
it is characterized in that the preparation method is characterized in that,
the upper sealing component (300) comprises a sealing material (310) and a sealing plate (320),
the sealing component connecting mechanism (400) comprises an elastic mechanism (410) and a limiting mechanism (420),
the lower seal assembly (500) includes a device frame (510), a horizontal movement mechanism (520), and a vertical movement mechanism (530).
2. The sealing device of the lower supporting plate of the walking beam type heat treatment furnace as claimed in claim 1, wherein the elastic means (410) is composed of a plurality of springs which are uniformly distributed on both sides of the walking beam (100) at the bottom of the furnace between the upper sealing assembly (300) and the lower sealing assembly (500).
3. The sealing device for the bottom plate of the stepping heat treatment furnace according to claim 2, wherein the limiting mechanism (420) comprises a plurality of limiting bolts (421) and limiting nuts (422), and the limiting mechanism (420) is nested in the elastic mechanism (410).
4. The sealing device for the lower supporting plate of the stepping heat treatment furnace as claimed in claim 3, wherein the device frame (510) comprises side brackets (511), a walking beam guide pipe (512) and a device supporting plate (513), and the side brackets (511) are connected with the furnace bottom steel plate (200) for supporting; the movable beam guide pipe (512) penetrates through the furnace bottom steel plate (200), the device supporting plate (513) is positioned between the side brackets (511) and connected with the limiting bolt (421) and the limiting nut (422), and the distance between the device supporting plate (513) and the sealing plate (320) can be changed by adjusting the limiting nut (422).
5. The sealing device for the lower supporting plate of the stepping heat treatment furnace according to claim 4, wherein the horizontal moving mechanism (520) is positioned below the side bracket (511) and the supporting plate (513) of the device and comprises a horizontal guide rail (521), a horizontal guide wheel shaft (522) and a horizontal guide wheel (523).
6. The sealing device for the bottom plate of the step type heat treatment furnace according to claim 5, wherein the horizontal moving mechanism (520) further comprises a horizontal guide wheel support (524), and the horizontal guide wheel support (524) is located inside the side support (511) and above the horizontal guide wheel shaft (522) for strong support.
7. The sealing device for the lower supporting plate of the stepping heat treatment furnace as claimed in claim 6, wherein the vertical moving mechanism (530) comprises a vertical guide wheel bracket (531), a vertical guide wheel shaft (532) and a vertical guide wheel (533), the vertical guide wheel bracket (531) is positioned right below the furnace bottom stepping moving beam (100), and the vertical guide wheel shaft (532) and the vertical guide wheel (533) are positioned on the vertical guide wheel bracket (531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325029.2U CN214735936U (en) | 2021-02-03 | 2021-02-03 | Sealing device for lower supporting plate of stepping heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325029.2U CN214735936U (en) | 2021-02-03 | 2021-02-03 | Sealing device for lower supporting plate of stepping heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214735936U true CN214735936U (en) | 2021-11-16 |
Family
ID=78644203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120325029.2U Active CN214735936U (en) | 2021-02-03 | 2021-02-03 | Sealing device for lower supporting plate of stepping heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214735936U (en) |
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2021
- 2021-02-03 CN CN202120325029.2U patent/CN214735936U/en active Active
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