CN220619029U - Simple and easy heat treatment kiln door opening device - Google Patents
Simple and easy heat treatment kiln door opening device Download PDFInfo
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- CN220619029U CN220619029U CN202322230566.0U CN202322230566U CN220619029U CN 220619029 U CN220619029 U CN 220619029U CN 202322230566 U CN202322230566 U CN 202322230566U CN 220619029 U CN220619029 U CN 220619029U
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- angle steel
- support
- door opening
- armed lever
- heat treatment
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000005452 bending Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 14
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a simple heat treatment kiln door opening device, and belongs to the technical field of kiln door opening. Including fixed bolster and armed lever, the fixed bolster is fixed on the kiln wall of stove frame top, has the support through bolt fastening on the outer end of fixed bolster, it is articulated with the armed lever through setting up round pin axle b on the support, be provided with fan-shaped angle steel through the connecting plate on the inner end of armed lever, be provided with the chain on the fan-shaped angle steel, the chain lower extreme is connected with the furnace gate couple, articulates on the outer end of armed lever has the pull rod. The utility model has the advantages of simple structure, strong site adaptability, high safety, low cost, economy, practicality, stability, safety and convenience in operation, and is easy to overhaul and maintain. The multi-person operation is changed into one-person operation, so that the labor manpower and the labor intensity are reduced, the product quality and the production efficiency are greatly improved, and unsafe factors of the multi-person operation are reduced.
Description
Technical Field
The utility model relates to the technical field of kiln door opening, in particular to a simple heat treatment kiln door opening device.
Background
The heat treatment kiln is used for heating the castings in a high-temperature furnace and carrying out heat treatment processes such as annealing, hardening, tempering, quenching and the like so as to improve the mechanical properties of the castings, eliminate residual stress and improve the machinability of metals. The operator puts the castings needing the heat treatment process on a furnace flat car, the flat car enters the kiln, and the castings are heated after the kiln door is closed. When the casting is heated and cooled in the kiln, an operator can observe the surface change of the casting at any time through a viewing port arranged on the wall of the kiln. In the past, when an operator needs to observe, the operator needs to use a crown block in a factory building to lift an observation port furnace door and then observe castings in and out. When the crown block is needed to be observed, the crown block can not timely start the furnace door due to the fact that other lifting operations are performed by the crown block, so that the observation time is missed, and the heating time of castings is insufficient or overtime. And when the crown block lifts the furnace door, because the crown block lifts by crane the speed is not well controlled, the time that the furnace door clamps into the furnace frame is too long, increase operator's operating time, defect such as inefficiency. There is thus a need to design an actuation device to solve the current problems.
Disclosure of Invention
The utility model aims to provide a simple heat treatment kiln door opening device, which is characterized in that an operator pulls a pull rod at any time to enable an arm rod and an arc angle steel sleeved on a pin shaft to rotate, so that a chain and a kiln door hook are driven to hook a kiln door to move up and down, the kiln door is accurately matched with a kiln frame when being opened up and down, the kiln door can be started at any time, the defects that the heating time is too short or too long, the mechanical property of a casting does not reach the standard due to untimely observation when a casting is heated, the labor intensity of the operator is reduced, the labor time is shortened, the efficiency is low and the like are overcome. Overcomes the difficulty that the existing overhead travelling crane can not accurately fall into a furnace frame and the limitation of time when the furnace door is hung. To solve the problems set forth in the background art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a simple and easy heat treatment kiln door opening device, includes fixed bolster 7 and armed lever 10, fixed bolster 7 is fixed on the kiln wall of stove frame top, is fixed with support 15 through the bolt fastening on the outer end of fixed bolster 7, it is articulated with armed lever 10 through setting up round pin axle b8 on the support 15, be provided with fan-shaped angle steel 4 through connecting plate 5 on the inner end of armed lever 10, be provided with chain 2 on the fan-shaped angle steel 4, the chain 2 lower extreme is connected with furnace gate couple 1, articulates on the outer end of armed lever 10 has pull rod 12.
The pull rod 12 is additionally provided with a balancing weight 11.
The fixed bolster 7 downside is provided with support angle steel 3, support angle steel 3 one end sets up on the fixed bolster 7 outer end downside, and the other end is fixed on the kiln wall.
The fan-shaped angle steel 4 is made by bending an angle steel outwards into an arc, and the chain 2 is fixed inside the end head of the fan-shaped angle steel 4.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
the utility model overcomes the difficulty that the existing overhead travelling crane can not accurately fall into the furnace frame and the limitation of time when the furnace door is hung, changes the problem that an operator pulls the pull rod at any time, and enables the arm rod and the arc angle steel sleeved on the pin shaft to rotate, thereby driving the chain and the furnace door hook to hook the furnace door to move up and down, enabling the furnace door to be accurately matched with the furnace frame when the furnace door is opened up and down, and also being capable of starting the furnace door at any time, reducing the defects of untimely observation, too little or too long heating time, substandard mechanical property of the casting, high labor intensity of the operator, low labor time and efficiency and the like due to casting heating.
The utility model solves the problems that the traditional furnace door opening and closing are completed by the cooperation of operators and crown block workers, the operators need to operate with cautious cooperation by a plurality of people, the labor intensity is increased, the working efficiency is not high, the heating and heat preservation time of the manually operated casting is not uniform, and the mechanical property of the casting cannot be ensured. The limitation of the cooperation of multiple persons is solved, the heating and heat preservation time is more accurate, the product qualification rate is improved, the labor intensity of workers is greatly reduced, and the production efficiency is greatly improved.
The utility model has the advantages of simple structure, strong field adaptability, high safety, low cost, safe and convenient operation and easy overhaul and maintenance. The multi-person operation is changed into one-person operation, so that the labor and the manpower are reduced, the product quality and the production efficiency are greatly improved, unsafe factors of the multi-person operation are reduced, and compared with the original opening mode, the cost per month can be reduced by more than 6 ten thousand yuan.
The utility model has the advantages that an operator can operate simply and conveniently, the arm lever drives the fan-shaped angle steel through the pull rod, the chain slides on the inner side of the angle steel to drive the furnace door hook, the purpose that the furnace door slides up and down in the furnace door frame to open and close the furnace door is realized, the continuous operation of opening the furnace door can be realized, and the time limitation of lifting the furnace door through the crown block in the past is solved. The method is time-saving, labor-saving, strong in environmental adaptability, economical, practical, simple to operate, good in stability, reduced in personnel, greatly reduced in labor intensity of operators, obviously enhanced in yield and efficiency, obviously improved in consistency of products and capable of creating certain economic benefits for customers.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the kiln door of the utility model after being opened;
FIG. 3 is a top view of the present utility model;
the figure shows: furnace door hooks 1; a chain 2; supporting angle steel 3; fan-shaped angle steel 4; a connection plate 5; a pin a6; a fixed bracket 7; a pin b8; a bolt assembly 9; arm 10; a counterweight 11; a pull rod 12; a furnace door 13; a furnace frame 14; a support 15; cotter pins 16; and a screw 17.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-3, this embodiment provides a simple and easy heat treatment kiln door opening device, including fixed bolster 7 and armed lever 10, fixed bolster 7 is fixed on the kiln wall of stove frame top, is fixed with support 15 through the bolt on the outer end of fixed bolster 7, it is articulated with armed lever 10 through setting up round pin axle b8 on the support 15, be provided with fan-shaped angle steel 4 through connecting plate 5 on the inner end of armed lever 10, be provided with chain 2 on the fan-shaped angle steel 4, the chain 2 lower extreme is connected with furnace gate couple 1, articulates on the outer end of armed lever 10 has pull rod 12. The fan-shaped angle steel 4 is formed by bending the angle steel outwards into an arc, the chain 2 is fixed in the end of the fan-shaped angle steel 4, and when the chain rotates upwards, the chain 2 is wound in the fan-shaped angle steel 4.
The pull rod 12 is additionally provided with a balancing weight 11.
The fixed bolster 7 downside is provided with support angle steel 3, support angle steel 3 one end sets up on the fixed bolster 7 outer end downside, and the other end is fixed on the kiln wall.
The furnace door hook 1 is made of phi 10 round steel, one end hooks the furnace door 13, the other end is connected with a phi 7 chain 2, the phi 7 chain is connected with fan-shaped angle steel through a pin shaft a, and a circular arc lining of the fan-shaped angle steel 4 is used as a sliding track.
The fixing support 7 is made of 80# channel steel with the length of 400mm, a proper position is selected to be fixed on the wall surface of the kiln, and the supporting angle steel 3 is used for reinforcing the fixing support.
The arm rod 10 is made of a steel plate with the thickness of 50mmx1000mmx12mm, the fan-shaped angle steel is fixed at one end of the arm rod by the connecting plate 5, and the oven door can be linked through a chain.
The balancing weight 11 is made of two round steel plates with the thickness of 12mm and the diameter of 120mm, the balancing weight is sleeved on the arm rod, the balancing weight can slide back and forth on the arm rod, and after a proper position is selected, the balancing weight is fixed on the arm rod through the screw 17, so that an operator can pull the pull rod 12 more labor-saving.
The support 15 is fixed on the outer end of the upper side of the fixed support through a bolt assembly 9 (M12 bolt nuts and washers), a pin shaft b8 is inserted into the support 15 and positioned through a cotter pin 16, and one end of the arm rod 10 is fixed on the pin shaft b8, so that the arm rod is connected with the support through the pin shaft b 8. Thus, an operator pulls the pull rod, the arm rod rotates around the pin shaft b in the support, and the fan-shaped angle steel, the chain and the furnace door are driven to continuously act, so that the purpose of opening the furnace door is realized.
According to the utility model, firstly, a proper position is selected to fix the No. 8 channel steel on a wall above a furnace door of a heat treatment kiln, a support is clamped on the channel steel by using a bolt of M12, a pin shaft b penetrates into the support and is sleeved with an arm rod, one end of the arm rod is welded with an arc angle steel formed by No. 5 angle steel, a chain is hung on the arc angle steel, the lower end of the chain is connected with a furnace door hook, the furnace door hook hooks the furnace door, the support is used as a rotating fulcrum by pulling a pull rod at the other end of the arm rod, the arm rod drives the arc angle steel, the chain and the furnace door hook, so that the furnace door can move up and down freely, and finally, a weight is additionally arranged at the proper position of the arm rod, so that the sagging height of the pull rod is suitable for an operator to operate.
According to the outline dimension 6300mmx6400mmx3200mm of the heat treatment kiln, the dimension 355mmx470mmx160mm of the kiln frame and the dimension 305mmx380mmx74mm of the furnace door, the furnace door moves up and down to be clamped into the kiln frame (figure 1). And a fixing bracket 7 is arranged on the wall of the kiln at a proper position above the furnace frame, and the diagonal angle 3 is additionally arranged below the bracket for ensuring the fixing bracket to be firmly and stably arranged.
The heat treatment furnace door 13 is hung on the fan-shaped angle steel 4 by a furnace door hook 1 and a chain 2 through a pin shaft a6, and the inner angle of the fan-shaped angle steel is used as a chain sliding track. The hand pull rod drives the arm rod and the fan-shaped angle steel to rotate by taking the support as a fulcrum, so that the chain slides up and down on the inner side of the fan-shaped angle steel, and the up and down movement of the furnace door is realized.
After the fixed support is fixed, the support 15 and the fixed support are used for installing the combined steel rail by bolts, the pin shaft b8 penetrates into the holes of the arm rod 10 and the support 15, and the cotter pin 16 is driven in to prevent the pin shaft b from falling off.
The pull rod 12 is made of phi 10 round steel, is hung at the other end of the arm rod, and the balancing weight 11 is arranged at the proper position of the arm rod, so that an operator can conveniently pull the pull rod.
Claims (5)
1. The utility model provides a simple and easy heat treatment kiln door opening device, includes fixed bolster (7) and armed lever (10), its characterized in that, fixed bolster (7) are fixed on the kiln wall of stove frame top, have support (15) through the bolt fastening on fixed bolster (7) outer end, it is articulated with armed lever (10) through setting up round pin axle b (8) on support (15), be provided with fan-shaped angle steel (4) on the inner end of armed lever (10) through connecting plate (5), be provided with chain (2) on fan-shaped angle steel (4), chain (2) lower extreme is connected with furnace gate couple (1), articulates on the outer end of armed lever (10) has pull rod (12).
2. A simple heat treatment kiln door opening device according to claim 1, characterized in that: the pull rod (12) is additionally provided with a balancing weight (11).
3. A simple heat treatment kiln door opening device according to claim 1, characterized in that: the fixed bolster (7) downside is provided with support angle steel (3), support angle steel (3) one end sets up on fixed bolster (7) outer end downside, and the other end is fixed on the kiln wall.
4. A simple heat treatment kiln door opening device according to claim 1, characterized in that: the pin shaft b (8) passes through the support (15) and is positioned by arranging a cotter pin (16).
5. A simple heat treatment kiln door opening device according to claim 1, characterized in that: the fan-shaped angle steel (4) is made by bending the angle steel outwards into an arc, and the chain (2) is fixed inside the end head of the fan-shaped angle steel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230566.0U CN220619029U (en) | 2023-08-18 | 2023-08-18 | Simple and easy heat treatment kiln door opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230566.0U CN220619029U (en) | 2023-08-18 | 2023-08-18 | Simple and easy heat treatment kiln door opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220619029U true CN220619029U (en) | 2024-03-19 |
Family
ID=90216009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322230566.0U Active CN220619029U (en) | 2023-08-18 | 2023-08-18 | Simple and easy heat treatment kiln door opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220619029U (en) |
-
2023
- 2023-08-18 CN CN202322230566.0U patent/CN220619029U/en active Active
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