CN104359315B - Car-type forge furnace chassis seals structure - Google Patents
Car-type forge furnace chassis seals structure Download PDFInfo
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- CN104359315B CN104359315B CN201410556281.9A CN201410556281A CN104359315B CN 104359315 B CN104359315 B CN 104359315B CN 201410556281 A CN201410556281 A CN 201410556281A CN 104359315 B CN104359315 B CN 104359315B
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Abstract
The present invention provides a kind of car-type forge furnace chassis to seal structure, including frame, the body of heater of lower openings it is fixedly connected with in described frame, it is provided with chassis below the opening part of described body of heater, chassis limit brick it is fixedly connected with on described chassis, the outer ledge of described chassis limit brick stretches out the outer ledge of described chassis, the lateral surface of described chassis limit brick is just to described body of heater shirt rim, and between the lateral surface of described chassis limit brick and described body of heater shirt rim, there is gap, gap sealing part it is hinged with in described frame, the driving means driving described gap sealing part to block described gap from below it is additionally provided with in described frame.Present configuration is simple, reasonable, compact, while ensureing chassis limit brick and body of heater shirt rim excellent sealing effect, is effectively saved the energy, reduces cost of investment.
Description
Technical field
The present invention relates to industrial furnace technology, particularly relate to a kind of car-type forge furnace chassis and seal structure.
Background technology
At present, car-type forge furnace chassis seals both sides traditionally and uses double sand seal, chassis frame surrounding to use the version of heat resisting steel, this kind of structure fabrication processes is simple, part casting material prefabricated to chassis construction and material capability require relatively low, but owing to chassis frame, sand sealing groove, sand sealing knife all use the structure of heat resisting steel frame, cost of investment is high；And in use due to chassis bezel contact high temperature, chassis frame portion is as easy as rolling off a log burns out deformation, cause maintenance cost high；And double sand sealing grooves of traditional forge furnace are contained in body of heater both sides, supplement sand when sand is few very inconvenient.The rear spring seal mechanism used that seals uses extreme temperatures due to forge furnace, poorly sealed and cause the phenomenon of artillery fire after easily there is spring temper.
Summary of the invention
It is an object of the invention to, for above-mentioned conventional seals sealing structure poor effect, problem that cost of investment is high, propose a kind of car-type forge furnace chassis and seal structure, this is simple and reasonable for structure, compact, while ensureing chassis limit brick and body of heater shirt rim excellent sealing effect, it is effectively saved the energy, reduces cost of investment.
For achieving the above object, the technical solution used in the present invention is: a kind of car-type forge furnace chassis seals structure, including frame, the body of heater of lower openings it is fixedly connected with in described frame, it is provided with chassis below the opening part of described body of heater, chassis limit brick it is fixedly connected with on described chassis, the outer ledge of described chassis limit brick stretches out the outer ledge of described chassis, the lateral surface of described chassis limit brick is just to described body of heater shirt rim, and between the lateral surface of described chassis limit brick and described body of heater shirt rim, there is gap, gap sealing part it is hinged with in described frame, the driving means driving described gap sealing part to block described gap from below it is additionally provided with in described frame.Described chassis limit brick uses high-strength high-alumina castable to pour, and described shirt rim uses high-strength high-alumina castable to pour.
Further, described gap sealing part includes driving arm, described driving arm is hinged with described frame by rotating shaft, described driving arm is provided with the seal box of upper opening away from one end of described rotating shaft, being provided with refractory fiber floor in described seal box, the top of described refractory fiber floor is exposed from the upper opening of described seal box.
Further, described refractory fiber floor is refractory fibre containing zirconium layer.
Further, described driving means includes driving cylinder and torque arm, and one end of described torque arm is hinged with the piston cylinder of described driving cylinder, and the other end is fixing with described rotating shaft to be connected, and the cylinder body of described driving cylinder is hinged with described frame.
Further, it is provided with between described torque arm and described frame and limits the stopping means of described torque arm motion amplitude.
Further, described stopping means includes fixing, with described torque arm, the Limit screw being connected, and described frame is fixedly connected with limiting block, described limiting block is provided with through hole, described screw rod passes described through hole, and the head width that emits of described screw rod is more than the diameter of described through hole.
Further, described driving cylinder is hydraulic cylinder or pneumatic cylinder.
Further, being provided with the first anchor pole in the brick of described chassis limit, described first anchor pole is fixing with described chassis to be connected.Described first anchor pole is heat resisting steel anchoring piece, and material used includes but not limited to 0Cr25Ni20.Described first anchor pole, when using high-strength high-alumina castable to pour chassis limit brick, is embedded in the brick of chassis limit.
Further, being provided with the second anchor pole in described shirt rim, described second anchor pole is fixing with described frame to be connected.Described second anchor pole is heat resisting steel anchoring piece, and material used includes but not limited to 0Cr25Ni20.Described second anchor pole, when using high-strength high-alumina castable to pour shirt rim, is embedded in shirt rim.
Car-type forge furnace chassis of the present invention seals simple and reasonable for structure, compact, and it achieves the collet formula soft seal between body of heater shirt rim and chassis limit brick, has the advantage that compared with conventional seal techniques
(1), car-type forge furnace chassis of the present invention seals structure employing driving means driving gap sealing part and blocks the gap between body of heater shirt rim and chassis limit brick from below, eliminate traditional heat resisting steel car frame and heat resisting steel sand seal system, greatly reduce the cost of investment of heating furnace；Chassis limit of the present invention brick, without heat resisting steel border structure, substantially prolongs the maintenance cycle of chassis, and the maintenance cost without chassis frame is only original 1/2；
(2), between the torque arm of driving means of the present invention and frame, it is provided with the stopping means limiting described torque arm motion amplitude, can prevent torque arm from compressing excessively or loosen the generation of excessive phenomenon, serving the effect of dual fail-safe；
(3), gap sealing part of the present invention is when compressing and loosening, the seal box anglec of rotation is more than 90 °, and in the process, in seal box, the sand on refractory fiber floor or oxide skin all can self fallings, decrease artificial cleaning works, also extend the service life of gap sealing part simultaneously；
To sum up, present invention employs collet formula soft sealing structure, reduce the cost of investment of chassis frame heat-resistant casting steel, extend the overhaul life of chassis, it is ensured that the reliability that chassis seals, thus improve temperature uniformity and energy-saving effect.Car-type forge furnace chassis the most of the present invention seals structure and can be effectively saved the energy, played its practical value under equal resources supplIes to greatest extent while ensureing chassis limit brick and body of heater shirt rim excellent sealing.
Accompanying drawing explanation
Fig. 1 is the structural representation that car-type forge furnace chassis of the present invention seals structure.
Wherein: 1-frame；2-chassis；3-chassis limit brick；4-shirt rim；5-drives arm；6-rotating shaft；7-seal box；8-refractory fiber floor；9-driving cylinder；10-torque arm；11-stopping means；12-the first anchor pole；13-the second anchor pole.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1
Fig. 1 is the structural representation that car-type forge furnace chassis of the present invention seals structure.
Present embodiment discloses a kind of rational in infrastructure, seal reliable, cost of investment and the low car-type forge furnace chassis of maintenance cost seal structure.As shown in Figure 1, this car-type forge furnace chassis seals structure and includes frame 1, the body of heater of lower openings it is fixedly connected with in frame 1, being provided with chassis 2 below the opening part of body of heater, chassis 2 both sides and rear seal disclosed in the present embodiment use without chassis border structure (without heat resisting steel chassis frame, without heat resisting steel sand sealing knife with without heat resisting steel sand sealing groove structure).Chassis limit brick 3 it is fixedly connected with on chassis 2, the outer ledge of chassis limit brick 3 stretches out the outer ledge of chassis 2, the lateral surface of chassis limit brick 3 is just to described body of heater shirt rim 4, and between the lateral surface of chassis limit brick 3 and body of heater shirt rim 4, there is gap, in the present embodiment, this gap is 50mm, it is hinged with gap sealing part in described frame 1, frame 1 is additionally provided with the driving means driving described gap sealing part to block described gap from below.
Gap sealing part includes driving arm 5, drive arm 5 hinged with described frame 1 by rotating shaft 6, driving arm 5 that one end of described rotating shaft 6 is provided with the seal box 7 of upper opening, seal box 7 is to be the Plate Welding of 5mm by thickness, has the box body of certain accommodation space.Being provided with refractory fiber floor 8 in seal box 7, the top of refractory fiber floor 8 is exposed from the upper opening of described seal box 7.In the present embodiment, refractory fiber floor 8 is 1400 type refractory fibre containing zirconiums.
Driving means includes driving cylinder 9 and torque arm 10, and driving cylinder 9 described in the present embodiment is hydraulic cylinder, it is possible to understand that this driving cylinder can also use pneumatic cylinder.One end of torque arm 10 is hinged with the piston cylinder of described driving cylinder 9, and the other end is fixing with described rotating shaft 6 to be connected, and driving cylinder 9 is afterbody pin shaft structure, and driving cylinder 9 afterbody bearing pin is hinged with described frame 1.For ensureing the working strength of torque arm 10, torque arm 10 of the present invention uses steel plate to make.For preventing torque arm from compressing excessively or loosening the generation of excessive phenomenon, between torque arm 10 and described frame 1, it is provided with the stopping means 11 limiting torque arm 10 motion amplitude.Stopping means 11 includes the Limit screw that be connected fixing with torque arm 10, frame 1 is fixedly connected with limiting block, limiting block is provided with through hole, and screw rod passes described through hole, and the head width that emits of screw rod is more than the diameter of described through hole.
In the present embodiment, chassis limit brick 3 uses high-strength high-alumina castable to pour to form, and is provided with the first anchor pole 12 in the brick of chassis limit, and the first anchor pole 12 is fixing with described chassis 2 to be connected, and the first anchor pole 12 can realize the firm connection of chassis limit brick 3 and chassis 2.In the present embodiment, the first anchor pole 12 is heat resisting steel anchoring piece, and material is 0Cr25Ni20.First anchor pole 12, when using high-strength high-alumina castable to pour chassis limit brick, is embedded in the brick of chassis limit.
In the present embodiment, shirt rim 4 uses high-strength high-alumina castable to pour to form, and is provided with the second anchor pole 13 in shirt rim, and described second anchor pole 13 is fixing with described frame 1 to be connected, and the second anchor pole 13 can realize the firm connection of shirt rim 4 and frame 1.In the present embodiment, the second anchor pole is heat resisting steel anchoring piece, and material used is 0Cr25Ni20.Second anchor pole 13, when using high-strength high-alumina castable to pour shirt rim 4, is embedded in shirt rim 4.
The present embodiment car-type forge furnace chassis seals the operation principle of structure: torque arm 10 rotates under the drive of driving cylinder 9 piston, and then drive rotating shaft 6 to rotate, the driving arm 5 being further driven to be connected with rotating shaft 6 rotates, make close at the seal box 7 driving arm 5 one end and between blocking trolley limit brick 3 and body of heater shirt rim 4 gap, it is achieved car-type forge furnace chassis collet formula soft seal.Reverse operating driving cylinder 9 can realize loosening of gap sealing part.
The car-type forge furnace chassis that the present embodiment provides seals rational in infrastructure, cost of investment and maintenance cost is low, can effectively realize the sealing between chassis limit brick and body of heater shirt rim.
The present invention is not limited to the car-type forge furnace chassis described in above-described embodiment and seals structure; the wherein change of driving means; the change of gap sealing part, the first anchor pole and the change of the second material quality of bolt, the change of refractory fiber floor material is all within protection scope of the present invention.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a car-type forge furnace chassis seals structure, including frame, the body of heater of lower openings it is fixedly connected with in described frame, it is provided with chassis below the opening part of described body of heater, it is characterized in that, chassis limit brick it is fixedly connected with on described chassis, the outer ledge of described chassis limit brick stretches out the outer ledge of described chassis, the lateral surface of described chassis limit brick is just to body of heater shirt rim, and between the lateral surface of described chassis limit brick and described body of heater shirt rim, there is gap, gap sealing part it is hinged with in described frame, the driving means driving described gap sealing part to block described gap from below it is additionally provided with in described frame；
Described gap sealing part includes driving arm, described driving arm is hinged with described frame by rotating shaft, described driving arm is provided with the seal box of upper opening away from one end of described rotating shaft, being provided with refractory fiber floor in described seal box, the top of described refractory fiber floor is exposed from the upper opening of described seal box；Chassis limit brick is without heat resisting steel border structure；
Described driving means includes driving cylinder and torque arm, and one end of described torque arm is hinged with the piston cylinder of described driving cylinder, and the other end is fixing with described rotating shaft to be connected, and the cylinder body of described driving cylinder is hinged with described frame；
The stopping means limiting described torque arm motion amplitude it is provided with between described torque arm and described frame；
Described stopping means includes fixing, with described torque arm, the Limit screw being connected, and described frame is fixedly connected with limiting block, described limiting block is provided with through hole, and described screw rod passes described through hole, and the head width that emits of described screw rod is more than the diameter of described through hole.
Car-type forge furnace chassis the most according to claim 1 seals structure, it is characterised in that described driving cylinder is hydraulic cylinder or pneumatic cylinder.
3. sealing structure according to the car-type forge furnace chassis described in any one of claim 1-2, it is characterised in that be provided with the first anchor pole in the brick of described chassis limit, described first anchor pole is fixing with described chassis to be connected.
4. sealing structure according to the car-type forge furnace chassis described in any one of claim 1-2, it is characterised in that be provided with the second anchor pole in described body of heater shirt rim, described second anchor pole is fixing with described frame to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556281.9A CN104359315B (en) | 2014-10-20 | 2014-10-20 | Car-type forge furnace chassis seals structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556281.9A CN104359315B (en) | 2014-10-20 | 2014-10-20 | Car-type forge furnace chassis seals structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104359315A CN104359315A (en) | 2015-02-18 |
| CN104359315B true CN104359315B (en) | 2016-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410556281.9A Expired - Fee Related CN104359315B (en) | 2014-10-20 | 2014-10-20 | Car-type forge furnace chassis seals structure |
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| Country | Link |
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| CN (1) | CN104359315B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145935A (en) * | 2019-05-23 | 2019-08-20 | 河南天利热工装备股份有限公司 | A kind of novel industrial furnace |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191219606A (en) * | 1912-08-27 | 1913-08-07 | Alfred Hutchinson Cowles | Improvements in Furnaces of the Channel or Tunnel Type. |
| CN202304376U (en) * | 2011-08-29 | 2012-07-04 | 宝鸡铠丰科技发展有限公司 | Novel side sealing device of trolley type heating furnace |
| CN202452827U (en) * | 2012-01-18 | 2012-09-26 | 中冶南方(武汉)威仕工业炉有限公司 | Trolley side seal hold-down device |
| CN202671605U (en) * | 2012-07-09 | 2013-01-16 | 丹阳市江南工业炉有限公司 | Trolley type gas thermal treatment furnace provided with split furnace door |
| CN203177652U (en) * | 2013-01-14 | 2013-09-04 | 大连昌荣炉业股份有限公司 | Turnover type side sealing device of trolley heating furnace |
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2014
- 2014-10-20 CN CN201410556281.9A patent/CN104359315B/en not_active Expired - Fee Related
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| CN104359315A (en) | 2015-02-18 |
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| CB02 | Change of applicant information |
Address after: 313000 Changxing County City, Zhejiang Province Rainbow Bridge Town Industrial Park Applicant after: HUZHOU HENG HUI TECHNOLOGY Co.,Ltd. Address before: 313000 Changxing County City, Zhejiang Province Rainbow Bridge Town Industrial Park Applicant before: HUZHOU HENGHUI INDUSTRIAL FURNACE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Trolley seal structure of trolley type forging furnace Effective date of registration: 20210630 Granted publication date: 20161102 Pledgee: Zhejiang Changxing United Village Bank Co.,Ltd. Hongxingqiao sub branch Pledgor: HUZHOU HENG HUI TECHNOLOGY Co.,Ltd. Registration number: Y2021330000744 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161102 Termination date: 20211020 |