CN219772191U - Lifting device applied to furnace door of oriented silicon steel annealing furnace - Google Patents
Lifting device applied to furnace door of oriented silicon steel annealing furnace Download PDFInfo
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- CN219772191U CN219772191U CN202320740362.9U CN202320740362U CN219772191U CN 219772191 U CN219772191 U CN 219772191U CN 202320740362 U CN202320740362 U CN 202320740362U CN 219772191 U CN219772191 U CN 219772191U
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- 238000000137 annealing Methods 0.000 title claims abstract description 25
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model belongs to the technical field of furnace door opening and closing, and particularly discloses a lifting device for a furnace door of an oriented silicon steel annealing furnace, which comprises a portal, a furnace door and a lifting mechanism, wherein the lifting mechanism is arranged in the portal, the furnace door is connected with the lifting mechanism, the lifting mechanism comprises a first chain wheel seat and a second chain wheel seat, the first chain wheel seat is arranged on the upper surface of a first upright, the second chain wheel seat is arranged on the upper surface of a second upright, the first chain wheel seat is connected with the second chain wheel seat through a first chain, one end of the first chain is connected with one side of the furnace door, the second chain is arranged in the first chain wheel seat, the other end of the second chain is connected with the other side of the furnace door, and when the lifting mechanism lifts the furnace door, the borne pressure can be transferred to the first upright and the second upright through the first chain wheel seat and the second chain wheel seat, so that the cross beam is effectively prevented from being directly stressed, and the situation that the cross beam is bent is prevented from being used normally is ensured.
Description
Technical Field
The utility model relates to the technical field of furnace door opening and closing, in particular to a lifting device of a furnace door applied to an oriented silicon steel annealing furnace.
Background
When oriented silicon steel is produced, an annealing furnace is required to be used for production, the existing annealing furnace is mainly divided into a coal-fired annealing furnace, an electric annealing furnace and an air annealing furnace, the temperature outside a kiln is increased when various annealing furnaces are operated, meanwhile, in order to avoid burning of staff outside the annealing furnace when the annealing furnace is operated, a furnace door is usually required to be arranged at the furnace mouth position of the annealing furnace, one of indispensable structures of the whole annealing furnace is required to be arranged at the furnace door, in a furnace door lifting device of China patent CN211977587U, the furnace door lifting device comprises steel wires, two steel wire rope fixing rings are arranged at the symmetrical position at the upper part of the furnace door, each steel wire rope fixing ring is bound with one steel wire rope, the steel wire ropes are led to the same direction after bypassing a fixed pulley on a fixed frame preset above the furnace door and are fixedly connected with a steel wire rope torsion preventing plate, the bottom of the steel wire rope torsion preventing plate is fixedly connected with a rope pulling rope of a lifting mechanism after bypassing the fixed pulley at the bottom; one side of the steel wire connecting draw hook is provided with a card which is clamped into the directional clamping groove.
Above-mentioned structure is opened and is closed the operation when the furnace gate, wire rope needs to be through the winding to the fixed pulley, thereby realize furnace gate switching operation through hoisting mechanism tensile wire rope, but this design can make the fixed pulley of installing on the mount wholly bear the quality of kiln door, because the annealing stove is guaranteeing closure and security, generally need massive furnace gate to seal, this kind of furnace gate weight, the volume is great, after carrying out long-time use, can lead to carrying the fixed pulley the mount to appear crooked condition, can lead to the fixed pulley to appear the position offset after the mount is crooked, thereby can influence the decline stroke of furnace gate, when carrying out the furnace gate switching operation again, can lead to the furnace gate unable to realize normal closure, the holistic leakproofness of annealing stove has been influenced, and bear huge gravity for a long time when the mount, can appear the broken condition of mount, can lead to the furnace gate to appear dropping or the condition of slope after the mount fracture, stability and reliability when unable assurance furnace gate is opened and is closed when using.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a lifting device for a furnace door of an oriented silicon steel annealing furnace.
The technical scheme adopted for solving the technical problems is as follows: a lifting device for a furnace door of an oriented silicon steel annealing furnace comprises a door frame, a furnace door and a lifting mechanism;
the lifting mechanism is arranged inside the portal frame, the portal frame comprises a first upright post, a second upright post and a cross beam, the cross beam is arranged between the first upright post and the second upright post, and the balancing weight is arranged inside the first upright post;
the furnace door is arranged in the portal frame and is connected with the lifting mechanism;
the lifting mechanism comprises a first chain wheel seat, a second chain wheel seat and a first driving piece, wherein the first chain wheel seat is arranged on the upper surface of the first upright, one side of the cross beam is provided with the first driving piece, the output end of the first driving piece penetrates through the cross beam to be connected with the first chain wheel seat, the second chain wheel seat is arranged on the upper surface of the second upright, the first chain wheel seat is connected with the second chain wheel seat through a first chain, one end of the first chain is connected with one side of the furnace door, the other end of the first chain is connected with a balancing weight, a second chain is further arranged in the first chain wheel seat, one end of the second chain is connected with the balancing weight, and the other end of the second chain is connected with the other side of the furnace door so that the furnace door can move up and down through the first chain and the second chain.
It should be noted that, the inside double sprocket that is provided with of first sprocket seat, double sprocket and first chain and the mutual joint of second chain, the inside single sprocket that is provided with of second sprocket seat, single sprocket and the mutual joint of first chain.
Preferably, the first drive element is configured as an electric motor or a servomotor.
The utility model further provides that the lifting device further comprises a first pressing mechanism and a second pressing mechanism, wherein the first upright is provided with the first pressing mechanism, the second upright is provided with the second pressing mechanism, and the first pressing mechanism and the second pressing mechanism are identical in structure.
According to the utility model, a fixing piece is arranged at the joint of the furnace door and the first chain and the second chain, a plurality of lifting guide rods are arranged on two sides of the furnace door, a pressing rod is arranged on one side of the furnace door, facing the first pressing mechanism and the second pressing mechanism, of the furnace door, and the pressing rod is abutted against the first pressing mechanism and the second pressing mechanism.
According to the utility model, a guide rail is arranged on one side, close to the furnace door, of the first upright post and the second upright post, and the guide rail is movably connected with the lifting guide rod.
Further describing the utility model, the lifting device further comprises a fall protection mechanism, wherein the fall protection mechanism is arranged on one side of the second upright post, which is close to the furnace door.
The beneficial effects of the utility model are as follows:
1. when lifting mechanism promotes the operation to the furnace gate, can make first sprocket seat and second sprocket seat receive the pressure of furnace gate, set up first stand and second stand with first sprocket seat and second sprocket seat on, can be through on shifting first stand and second stand with the pressure that first sprocket seat and second sprocket seat will bear, can effectively avoid the crossbeam direct atress, thereby the condition that the crossbeam appears crooked has been prevented, guarantee the furnace gate normal use, first stand and second stand are direct and ground contact simultaneously, can ensure the whole atress intensity of first stand and second stand, the condition that the fracture appears has been avoided to the portal, stability and reliability when guaranteeing that the furnace gate opens and close have been guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of a lifting device according to the present utility model;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1;
FIG. 3 is a combined connection structure diagram of the portal and the lifting mechanism of the present utility model;
FIG. 4 is an enlarged schematic view of the structure at B of FIG. 3;
FIG. 5 is an enlarged schematic view of the structure at C of FIG. 3;
FIG. 6 is a combined connection structure diagram of the utility door frame, the lifting mechanism and the furnace door;
FIG. 7 is a diagram showing a combined connection structure of the lifting mechanism and the counterweight block;
FIG. 8 is an enlarged schematic view of the structure at D of FIG. 7;
FIG. 9 is a schematic view of the structure of the oven door of the present utility model;
the figure shows: portal 1, first stand 11, second stand 12, crossbeam 13, furnace gate 2, lift guide arm 21, elevating system 3, first sprocket seat 31, second sprocket seat 32, first driving piece 33, first chain 34, second chain 35, balancing weight 4, first hold-down mechanism 5, second hold-down mechanism 6, mounting 7, guided way 8, fall protection mechanism 9.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, 3, 6, 7 and 9, the lifting device for the furnace door of the oriented silicon steel annealing furnace provided by the utility model comprises a door frame 1, a furnace door 2 and a lifting mechanism 3, wherein the lifting mechanism 3 is arranged in the door frame 1, the door frame 1 comprises a first upright post 11, a second upright post 12 and a cross beam 13, the cross beam 13 is arranged between the first upright post 11 and the second upright post 12, a balancing weight 4 is arranged in the first upright post 11, the furnace door 2 is arranged in the door frame 1, and the furnace door 2 is connected with the lifting mechanism 3.
As shown in fig. 1, 3, 5, 6, 7, 8 and 9, the lifting mechanism 3 comprises a first sprocket seat 31, a second sprocket seat 32 and a first driving piece 33, the first sprocket seat 31 is installed on the upper surface of the first upright 11, one side of the cross beam 13 is provided with the first driving piece 33, the output end of the first driving piece 33 penetrates through the cross beam 13 to be connected with the first sprocket seat 31, double rows of sprockets are arranged on the first sprocket seat 31, and then the double rows of sprockets in the first sprocket seat 31 can be driven to rotate by starting the first driving piece 33, meanwhile, the second sprocket seat 32 is arranged on the upper surface of the second upright 12, and a single row of sprockets are arranged on the second sprocket seat 32;
the first chain wheel seat 31 is connected with the second chain wheel seat 32 through the first chain 34, so that the first chain 34 is clamped on one of the double-row chain wheels, and then clamped on the single-row chain wheel of the second chain wheel seat 32, when the double-row chain wheel inside the first chain wheel seat 31 rotates, the single-row chain wheel of the second chain wheel seat 32 can be synchronously driven through the first chain 34, so that the first chain 34 can move, one end of the first chain 34 is connected with one side of the furnace door 2, the other end of the first chain 34 is connected with the balancing weight 4, and when the first chain 34 moves, the furnace door 2 and the balancing weight 4 can be driven to move;
the second chain 35 is further arranged in the subsequent first chain wheel seat 31, so that the second chain 35 is simultaneously clamped on the other chain wheel on the double-row chain wheel, when the double-row chain wheel inside the first chain wheel seat 31 rotates, the second chain 35 can be moved, one end of the second chain 35 is connected with the balancing weight 4, the other end of the second chain 35 is connected with the other side of the furnace door 2, and when the second chain 35 moves, the furnace door 2 and the balancing weight 4 can be driven to move at the same time, so that the furnace door 2 can move up and down through the first chain 34 and the second chain 35.
It should be noted that, when the lifting mechanism 3 lifts the oven door 2, the first sprocket seat 31 and the second sprocket seat 32 are pressed by the oven door 2, the first sprocket seat 31 and the second sprocket seat 32 are arranged on the first upright 11 and the second upright 12, the borne pressure can be transferred to the first upright 11 and the second upright 12 through the first sprocket seat 31 and the second sprocket seat 32, so that the cross beam 13 only bears the connecting piece of the first upright 11 and the second upright 12 for use, the cross beam 13 can be prevented from being directly stressed, the cross beam 13 is prevented from bending, the oven door 2 is ensured to be normally used, meanwhile, the first upright 11 and the second upright 12 are directly contacted with the ground, the integral stress intensity of the first upright 11 and the second upright 12 is ensured, the situation that the door frame 1 breaks is avoided, and the stability and the reliability of the oven door 2 when being opened and closed are ensured.
It should be noted that, the counterweight 4 is disposed in the lifting device, so that when the lifting mechanism 3 lifts the oven door 2, the stress balance of the first upright 11 and the second upright 12 can be ensured, and the tensile force born by the first driving member 33 during operation can be reduced, so that the output power of the first driving member 33 can be reduced during use, and the electric energy consumption of the first driving member 33 can be reduced.
As shown in fig. 1, 3, 4, 5, 6 and 9, a plurality of lifting guide rods 21 are arranged on two sides of the furnace door 2, a guide rail 8 is arranged on one side, close to the furnace door 2, of the first upright post 11 and the second upright post 12, the guide rail 8 is movably connected with the lifting guide rods 21, and the guide rail 8 is arranged to ensure that the furnace door 2 cannot deviate when being lifted or lowered, so that the furnace door 2 can be normally opened or closed.
As shown in fig. 1 and 9, the lifting device further comprises a first pressing mechanism 5 and a second pressing mechanism 6, the first upright 11 is provided with the first pressing mechanism 5, the second upright 12 is provided with the second pressing mechanism 6, the first pressing mechanism 5 and the second pressing mechanism 6 are identical in structure, and when the furnace door 2 is completely closed after being lowered, the sealing operation of the furnace door 2 can be realized by starting the first pressing mechanism 5 and the second pressing mechanism 6;
the compression bar 22 is arranged on one side of the furnace door 2, which faces the first compression mechanism 5 and the second compression mechanism 6, and can be abutted against the compression bar 22 through the first compression mechanism 5 and the second compression mechanism after the furnace door 2 is closed in a descending manner, so that the compression operation of the furnace door 2 is realized, and the compactness of the furnace body after the furnace door 2 is closed is ensured.
As shown in fig. 3, 5, 6 and 7, the connecting part of the oven door 2 and the first chain 34 and the second chain 35 is provided with the fixing piece 7, and by the fixing piece 7, the stability of the connection of the oven door 2 and the first chain 34 and the second chain 35 can be ensured, and the situation that the first chain 34 and the second chain 35 fall off when the oven door 2 is lifted is avoided.
As shown in fig. 1 and 2, the lifting device further comprises a falling prevention mechanism 9, the falling prevention mechanism 9 is arranged on one side of the second upright post 12 close to the furnace door 2, when the furnace door 2 is opened to the maximum limit, the clamping position of the furnace door 2 can be realized by starting the falling prevention mechanism 9, the falling or tilting of the furnace door 2 is further prevented, and the personal safety of operators can be ensured.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (6)
1. The lifting device for the furnace door of the oriented silicon steel annealing furnace comprises a portal frame (1), the furnace door (2) and a lifting mechanism (3) and is characterized in that,
portal (1): the lifting mechanism (3) is arranged inside the portal frame (1), the portal frame (1) comprises a first upright post (11), a second upright post (12) and a cross beam (13), the cross beam (13) is arranged between the first upright post (11) and the second upright post (12), and the balancing weight (4) is arranged inside the first upright post (11);
furnace door (2): the furnace door (2) is arranged in the portal (1), and the furnace door (2) is connected with the lifting mechanism (3);
lifting mechanism (3): the lifting mechanism (3) comprises a first chain wheel seat (31), a second chain wheel seat (32) and a first driving piece (33), wherein the first chain wheel seat (31) is arranged on the upper surface of the first upright (11), one side of the cross beam (13) is provided with the first driving piece (33), the output end of the first driving piece (33) penetrates through the cross beam (13) to be connected with the first chain wheel seat (31), the second chain wheel seat (32) is arranged on the upper surface of the second upright (12), the first chain wheel seat (31) is connected with the second chain wheel seat (32) through a first chain (34), one end of the first chain (34) is connected with one side of the furnace door (2), the other end of the first chain (34) is connected with a balancing weight (4), a second chain (35) is further arranged in the first chain wheel seat (31), one end of the second chain (35) is connected with the balancing weight (4), and the other end of the second chain (35) is connected with the furnace door (2) through the first chain (34) to enable the first chain (34) to move downwards.
2. The lifting device for a furnace door of an oriented silicon steel annealing furnace according to claim 1, wherein: the lifting device further comprises a first pressing mechanism (5) and a second pressing mechanism (6), the first upright (11) is provided with the first pressing mechanism (5), the second upright (12) is provided with the second pressing mechanism (6), and the first pressing mechanism (5) and the second pressing mechanism (6) are identical in structure.
3. The lifting device for a furnace door of an oriented silicon steel annealing furnace according to claim 1, wherein: the junction of furnace gate (2) and first chain (34) and second chain (35) is provided with mounting (7).
4. A lifting device for a furnace door of an oriented silicon steel annealing furnace according to claim 3, characterized in that: the furnace door (2) is characterized in that a plurality of lifting guide rods (21) are arranged on two sides of the furnace door (2), a pressing rod (22) is arranged on one side, facing the first pressing mechanism (5) and the second pressing mechanism (6), of the furnace door (2), and the pressing rod (22) is abutted to the first pressing mechanism (5) and the second pressing mechanism.
5. The lifting device for a furnace door of an oriented silicon steel annealing furnace according to claim 1, wherein: the side of the first upright post (11) and the side of the second upright post (12) close to the furnace door (2) are provided with guide rails (8), and the guide rails (8) are movably connected with lifting guide rods (21).
6. The lifting device for a furnace door of an oriented silicon steel annealing furnace according to claim 1, wherein: the lifting device further comprises a falling prevention mechanism (9), and the falling prevention mechanism (9) is arranged on one side, close to the furnace door (2), of the second upright post (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740362.9U CN219772191U (en) | 2023-04-06 | 2023-04-06 | Lifting device applied to furnace door of oriented silicon steel annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740362.9U CN219772191U (en) | 2023-04-06 | 2023-04-06 | Lifting device applied to furnace door of oriented silicon steel annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772191U true CN219772191U (en) | 2023-09-29 |
Family
ID=88134725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320740362.9U Active CN219772191U (en) | 2023-04-06 | 2023-04-06 | Lifting device applied to furnace door of oriented silicon steel annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772191U (en) |
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2023
- 2023-04-06 CN CN202320740362.9U patent/CN219772191U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20231106 Address after: 528000 No. 6 (Workshop 3), Xiaoxian Road, Luocun Village, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN LINKCON THERMAL TECHNOLOGY CO.,LTD. Address before: 528200 No.6 Xiaoxian Road, Luocun, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: Tuo Zhongzhi |