CN102980405A - Double-open furnace door mechanism - Google Patents
Double-open furnace door mechanism Download PDFInfo
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- CN102980405A CN102980405A CN2012104610765A CN201210461076A CN102980405A CN 102980405 A CN102980405 A CN 102980405A CN 2012104610765 A CN2012104610765 A CN 2012104610765A CN 201210461076 A CN201210461076 A CN 201210461076A CN 102980405 A CN102980405 A CN 102980405A
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Abstract
The invention discloses a double-open furnace door mechanism which comprises a supporting mechanism and a furnace door. The supporting mechanism is a quadrilateral framework. The furnace stretches across two opposite edges of the quadrilateral framework. The supporting mechanism comprises turning devices arranged at two ends of the two opposite edges which the furnace door stretches across. The furnace door comprises a first door and a second door, rolling devices and first fixing points are arranged on the lower portions of two ends of the first door. Rolling devices and second fixing points are arranged on the lower portions of two ends of the second door. The double-open furnace door mechanism further comprises a transmission mechanism which comprises a first transmission mechanism and a second transmission mechanism, one end of the first transmission mechanism is connected with the second fixing points, and is connected with the first fixing points through the turning devices. One end of the second transmission mechanism is connected with the first fixing points and is connected with the second fixing points through the turning devices. The double-open furnace door mechanism reduces the turnaround time of a workpiece to be processed, and improves processing efficiency.
Description
Technical field
The present invention relates to a kind of parts of large aluminum alloy Equipment for Heating Processing, especially adopt fire door to be positioned at the two blow-on door mechanism of the heat-treatment furnace of bottom through carrying out quenching technical after the solid solution, Ageing Treatment to needs.
Background technology
Along with the development of non-ferrous metals industry and the progress of non-ferrous metal application technology, aluminium alloy is unique and superior performance with it, obtains a wide range of applications in the industrial department such as aviation, automobile, motorcycle, light industry and the industries such as building, five metals, packaging for foodstuff and medicine equipment.Therefore, the demand of aluminum alloy heat treatment facility is constantly increased, simultaneously, more and more high to the quality requirement of heat-treatment furnace product.
Aluminum alloy heat is processed an important component part that has developed in the metal heat treatmet field.The heat treated purpose of aluminium alloy, being summed up mainly is to improve intensity and hardness, eliminates the internal stress that produces in the pressure processing process, makes it obtain uniform composition, tissue and performance.
The aluminium alloy heat-treating methods is a lot, and basic treated forms has quenching, timeliness and annealing etc.The latter belongs to softening and processes, and purpose is to obtain stable and uniformly tissue and good working plasticity.The former claims again solution treatment.
As everyone knows, solution heat treatment is the Technology for Heating Processing that improves intensity of aluminum alloy, and its process comprises quenches and timeliness.
The process for quenching of aluminium alloy generally all is that the workpiece that will quench is placed in the more uniform heating furnace of temperature, it is heated to the hardening heat of regulation, and is incubated a period of time under this temperature, and the tissue of alloy is changed.Some can dissolve in the alloying element (playing invigoration effect) in the αsolidsolution, and its solubility improves and increases along with temperature.Then workpiece is promptly soaked in people's water and cool off, the alloy structure during high temperature at room temperature is fixed up with the form of supersaturated solid solution (playing induration), and this is all processes that quenches.
Key problem in technology problem of aluminum alloy quenching is that workpiece quenching transfer time must be very short, to avoid quench front its part and even bulk temperature decline.
Workpiece enters quenching tank from coming out of the stove to interval is called quenching shift time, in the workpiece transfer process, workpiece temperature descends and causes solid solution generation decomposed, separate out thick loose phase, produce microstructure segregation, thereby reduce the ageing strengthening effect, according to one's analysis research, 5 ° of C of drop in temperature after workpiece is come out of the stove can cause strength decreased 20%.Customary quenching conversion time is 7s～25s, specifically decides on workpiece size thickness.
The heat-treatment furnace that adopts at present, its fire door design and unreasonable, the unidirectional design of opening the door is overlong time so that it opens the door.Like this, the Al-alloy parts in it after Overheating Treatment just needs the long period just can deliver in the quenching tank of subsequent technique.And if the part turnaround time is long, be easy to the treatment effect of the Technology for Heating Processing of carrying out before having influence on part.
Therefore, a kind of novel heat-treatment furnace fire door mechanism of the necessary design of industry overcomes defective of the prior art.
Summary of the invention
Technical problem to be solved by this invention is, existing heat-treatment furnace fire door design is unreasonable, cause its overlong time of opening the door, thereby affect the heat treatment part output time in it, the invention provides a kind of pair of blow-on door mechanism, its oven door opening, close fast, the time is short, the Al-alloy parts that reduces in it enters the time of next step other treatment facilities from heat-treatment furnace, thereby the supersaturated solid solution of guaranteeing the heat treatment part is fixed and does not decompose.
The present invention is by the following technical solutions: a kind of pair of blow-on door mechanism, and it comprises supporting mechanism, described supporting mechanism is a quadrilateral frame; And, fire door, described fire door is across two opposite side of described quadrilateral frame;
The two ends on a limit of described supporting mechanism are provided with deviator;
Described fire door comprises Yishanmen and the second fan door, and its bottom, two ends of described Yishanmen all is provided with tourelle; Described second its bottom, two ends of fan door all is provided with tourelle;
Described pair of blow-on door mechanism also includes transmission mechanism, and described transmission mechanism comprises the first transmission device and the second transmission device, and described the first transmission device one end is connected with described the second fan door, is connected with Yishanmen behind deviator; Described the second transmission device one end is connected with described Yishanmen, is connected with the second fan door behind deviator.
As a kind of preferred version of of the present invention pair of blow-on door mechanism, wherein: a side of described supporting mechanism is provided with driving mechanism, and described Yishanmen is connected with described driving mechanism.
A kind of preferred version as of the present invention pair of blow-on door mechanism, wherein: described deviator is divided into the first break-in section and the second break-in section, described the first break-in section is arranged at the right side of described Yishanmen, it comprises the first sprocket wheel and the second sprocket wheel, described the second break-in section is arranged at the left side of described the second fan door, and it comprises the 3rd sprocket wheel and the 4th sprocket wheel.
As a kind of preferred version of of the present invention pair of blow-on door mechanism, wherein: described the first transmission device and the second transmission device are chain, and described chain matches with described the first sprocket wheel, the second sprocket wheel, the 3rd sprocket wheel and the 4th sprocket wheel; Then the first transmission device that is fixed in the lower end of described Yishanmen is meshed with the first sprocket wheel through the second sprocket wheel and walks around the first sprocket wheel and be connected with described second a fan door lower end; Then the second transmission device that is fixed in described the second fan door lower end is meshed with the 3rd sprocket wheel through the 4th sprocket wheel and walks around the 3rd sprocket wheel and be connected with described Yishanmen.
As a kind of preferred version of of the present invention pair of blow-on door mechanism, wherein: also be provided with shaft coupling and synchronizing shaft on the described supporting mechanism, described shaft coupling links to each other with described the 3rd sprocket wheel with synchronizing shaft.
A kind of preferred version as of the present invention pair of blow-on door mechanism, wherein: described transmission mechanism also comprises the 3rd transmission device and the 4th transmission device, described the 3rd transmission device is arranged at the other end of the described second fan door relative with the first transmission device, is connected with Yishanmen behind deviator; Described the 4th transmission device is arranged at the other end of the described Yishanmen relative with the second transmission device, is connected with the second fan door behind deviator.
As a kind of preferred version of of the present invention pair of blow-on door mechanism, wherein: described driving mechanism is one or more in cylinder, oil cylinder or the electric pushrod.
A kind of preferred version as of the present invention pair of blow-on door mechanism, wherein: described supporting mechanism by fire door across two opposite side on be provided with grooved rail, the tourelle of described fire door bottom matches with grooved rail, so that described fire door can move back and forth along described grooved rail.
As a kind of preferred version of of the present invention pair of blow-on door mechanism, wherein: described supporting mechanism by fire door across the two ends of two opposite side all be provided with deviator.
A kind of preferred version as of the present invention pair of blow-on door mechanism, wherein: described deviator is divided into the 3rd break-in section and the 4th break-in section, described the 3rd break-in section and the corresponding right side that is arranged at described Yishanmen of described the first break-in section, described the 3rd break-in section comprises the 5th sprocket wheel and the 6th sprocket wheel, the corresponding left side that is arranged at described the second fan door with described the second break-in section of described the 4th break-in section, described the 4th break-in section comprises the 7th sprocket wheel and the 8th sprocket wheel.
With respect to prior art, the invention has the beneficial effects as follows: fire door adopts the double door design, the time that can effectively shorten oven door opening and close, thereby so that the heat treatment part in it, the time still less of using outputs to the outside in body of heater, and then the needed turnaround time also reduced it and enter the next one processing stage.
Further, fire door is arranged on the below of heat-treatment furnace, so that after the heat treatment part comes out of the stove, can be delivered directly in the device of heat-treatment furnace below to carry out subsequent treatment, further, has reduced by pending turnaround time, has improved treatment effeciency.
And this pair of blow-on door mechanism design of the present invention, especially significant especially for Al-alloy parts, below the heat-treatment furnace that the present invention relates to, quenching tank is set, Al-alloy parts heat treatment is complete, two blow-on doors are laterally opened, and Al-alloy parts directly in the quenching tank below the bottom of heat-treatment furnace outputs to it, carries out quench cooled.So, fast fire door open the door the time and directly output of products put in place, can effectively reduce the turnaround time before pending aluminum alloy part quenches, improve cooling velocity, guaranteeing that supersaturated solid solution is fixed does not decompose.The technical program designs ingenious, simple in structure, good stability, and cost of manufacture is low, is convenient to industry and promotes.
Description of drawings
Fig. 1 is that the master of the two blow-on door mechanism that relates to of an embodiment of the invention looks schematic diagram.
Fig. 2 is the schematic perspective view of the two blow-on door mechanism that relates to of another embodiment of the invention.
Fig. 3 is the schematic top plan view of shown in Figure 2 pair of blow-on door mechanism.
Fig. 4 is that the master of shown in Figure 2 pair of blow-on door mechanism looks schematic diagram.
Fig. 5 is the partial schematic diagram of shown in Figure 2 pair of blow-on door mechanism.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In the description of the invention, term " interior ", " outward ", " on ", the indicating position such as D score, 'fornt', 'back', " left side ", " right side " or position relationship be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
Shown in Fig. 1～5, among the figure, supporting mechanism 1; Supporting leg 101; Shaft coupling 102; Synchronizing shaft 103; Grooved rail 104; Fire door 2; Yishanmen 201; Tourelle 201a; The first fixing point 201b; The 3rd fixing point 201c; The second fan door 202; The second fixing point 202b; The 4th fixing point 202c; Deviator 3; The first break-in section 301; The first sprocket wheel 301a; The second sprocket wheel 301b; The second break-in section 302; The 3rd sprocket wheel 302a; The 4th sprocket wheel 302b; Transmission mechanism 4; The first transmission device 401; The second transmission device 402; Driving mechanism 5.
See also shown in Figure 1, an embodiment of the invention have disclosed a kind of pair of blow-on door mechanism, it comprises supporting mechanism 1, and described supporting mechanism 1 is tetragonal hollow frame, and its lower end is provided with 101 pairs whole pair blow-on door mechanism of supporting leg and plays the firm effect of supporting.Described supporting mechanism 1 by fire door 2 across two opposite side in wherein the two ends on a limit all be provided with deviator, in this embodiment, this deviator is divided into the first break-in section 301 and the second break-in section 302, described the first break-in section 301 is arranged at the right side of described Yishanmen 201, it comprises the first sprocket wheel 301a and the second sprocket wheel 301b, described the second break-in section 302 is arranged at the left side of described the second fan door 202, and it comprises the 3rd sprocket wheel 302a and the 4th sprocket wheel 302b.
This pair blow-on door mechanism also includes fire door 2, on two opposite side of described fire door 2 across described quadrangle hollow frame; This fire door 2 comprises Yishanmen 201 and the second fan door 202, wherein, Yishanmen 201 its bottoms, two ends all are provided with tourelle 201a and the first fixing point 201b, tourelle 201a fixes by fixed mount and Yishanmen 201, so that have certain for the interval between tourelle 201a and the Yishanmen 201; And the second fan door 202 its bottoms, two ends all are provided with tourelle 202a and the second fixing point 202b, and tourelle 202a fixes by fixed mount and the second fan door 202 so that tourelle 202a and second fan also have between 202 certain for the interval; In this embodiment, transmission for the ease of transmission mechanism 4, the first fixing point 201b is arranged at the lower end of fixed mount, and the second fixing point 202b is arranged at the upper end of fixed mount or be directly fixed on the lower surface of the second fan door 202, so just so that transmission mechanism 4 can keep at a certain distance away and transmission.
Transmission mechanism 4 in this pair blow-on door mechanism comprises the first transmission device 401 and the second transmission device 402, described the first transmission device 401 1 ends and described the second fixing point 202b are connected to a fixed, behind deviator, be connected to a fixed with the first fixing point 201b, and described the second transmission device 402 1 ends are connected with described the first fixing point 201b, are connected with the second fixing point 202b behind deviator.In this embodiment, the first transmission device 401 and the second transmission device 402 are chain.
When external force drives Yishanmen 201 to the right, one end is fixed in the first transmission device 401(chain of the first fixing point 201b under the Yishanmen 201) owing to be activated power, also begin to affect Yishanmen 201 to move along grooved rail 104 to the right, be fixed in the second fixing point 202b and mesh the first sprocket wheel 301b extension through the second sprocket wheel 301b, this moment is owing to be meshed again to Left Drive with the second sprocket wheel 301b through the second sprocket wheel 301b, so changed the transmission direction of driving force, become interlock left; Simultaneously, an end is fixed in the second transmission device 402 of the first fixing point 201b, and through being meshed break-in for driving left with the 3rd sprocket wheel 302a behind the 4th sprocket wheel 302b, pulling the second fan door 202 is moved to the left.So, just so that Yishanmen 201 and second is fanned door 202 simultaneously opposing movements, to open fire door.
In like manner, if close fire door, only need external force to drive Yishanmen 201 left and get final product.
Shown in Fig. 2～5, the description that Fig. 2～5 are detailed the mode of two blow-on door mechanism preferred embodiment.Referring to Fig. 2, in this embodiment, described supporting mechanism by fire door 2 across of two opposite side face and be provided with driving mechanism 5 on the limit.This driving mechanism 5 is one or more in cylinder, oil cylinder or the electric pushrod, so that the more rapid easy fire door 2 that opens or closes.
In addition, also be provided with shaft coupling 102 and synchronizing shaft 103 on described supporting mechanism, described shaft coupling 102 and synchronizing shaft 103 link to each other with described the 3rd sprocket wheel 302a between the 3rd sprocket wheel 302a.Be provided with shaft coupling 102 and synchronizing shaft 103 on the supporting mechanism, better driven in synchronism fire door 2.
And, in this embodiment, described Yishanmen 201 its bottoms, two ends also all be provided with the 3rd fixing point 201c and, described the second fan door 202 its bottoms, two ends also all are provided with the 4th fixing point 202c.
At this moment, described the first transmission device 401(chain) end and described the second fixing point 202b are connected to a fixed, behind deviator 3, be connected to a fixed with the first fixing point 201b, and described the second transmission device 402 1 ends are connected with described the 3rd fixing point 201c, are connected with the 4th fixing point 202c behind deviator.
When driving mechanism 5, when driving Yishanmen 201 to the right, one end is fixed in the first transmission device 401(chain of the first fixing point 201b under the Yishanmen 201) owing to the driving force that is subject to the right, also begin to affect Yishanmen 201 to move along grooved rail 104 to the right, then through the second sprocket wheel 301b, mesh the first sprocket wheel 301b extension and be fixed in the second fixing point 202b, this moment is owing to be meshed again to Left Drive with the second sprocket wheel 301b through the second sprocket wheel 301b, so changed the transmission direction of driving force, become interlock left; Simultaneously, an end is fixed in the 3rd fixing point 201c and the other end is fixed in the second transmission device 402 of the 4th fixing point 202c, is to drive left through the break-in that is meshed with the 3rd sprocket wheel 302a behind the 4th sprocket wheel 302b, and pulling the second fan door 202 is moved to the left.So, just so that Yishanmen 201 and second is fanned door 202 simultaneously opposing movements, to open fire door 2.
When closing fire door 2, driving mechanism 5 drives Yishanmen 201 left, one end is fixed in the first transmission device 401(chain of the first fixing point 201b under the Yishanmen 201) owing to the driving force that is subject to left, also beginning to promote Yishanmen 201 moves along grooved rail 104 left, then through the second sprocket wheel 301b, mesh the first sprocket wheel 301b extension and be fixed in the second fixing point 202b, this moment since through the second sprocket wheel 301b and with the second sprocket wheel 301b transmission to the right that is meshed again, so changed the transmission direction of driving force, become interlock to the right; Simultaneously, an end is fixed in the 3rd fixing point 201c and the other end is fixed in the second transmission device 402 of the 4th fixing point 202c, is to drive to the right through the break-in that is meshed with the 3rd sprocket wheel 302a behind the 4th sprocket wheel 302b, and pulling the second fan door 202 moves right.Like this, realized that just Yishanmen 201 and the second fan door 202 relatively move simultaneously, to close fire door 2.
In sum, when fire door 2 need to be opened, driving mechanism 5 actions, driving mechanism 5 directly links to each other with Yishanmen 201, these Yishanmen 201 interlocks, fire door 2 is connected by chain, by the sprocket wheel commutation, the second fan door 202 also follows by action, and Yishanmen 201 is opposite mutually with the second fan door 202 directions of motion, outwards open simultaneously, inwardly close simultaneously.Respectively there is up and down a chain at fire door 2 two ends, amount to four chains, are positioned at two chains of upper end when fire door 2 is closed, connect fire door 2, make it inwardly to close simultaneously.Be positioned at two chains of lower end when fire door 2 is opened, connect two fan fire doors 2, make it outwards to open simultaneously.Sprocket wheel, shaft coupling 102 and synchronizing shaft 103 actings in conjunction make both sides chain action synchronously, and fire door 2 is stable action in the motion process that opens or closes.
In the actual production practice, for satisfying aluminum alloy quenching very short special requirement transfer time, the fire door of aluminium alloy quenching furnace is located at the body of heater below, the unlatching of fire door move to workpiece come out of the stove and fast transfer people water extraction supplied easily spatial channel, thereby satisfy the requirement of aluminum alloy quenching fast transfer.
The above only is preferred embodiments of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; in every case those of ordinary skills' equivalence that disclosure is done according to the present invention is modified or is changed, and all should include in the protection domain of putting down in writing in claims.
Claims (10)
1. two blow-on door mechanism, it comprises supporting mechanism (1), described supporting mechanism (1) is a quadrilateral frame; And, fire door (2), described fire door (2) is across two opposite side of described quadrilateral frame;
It is characterized in that:
The two ends on a limit of described supporting mechanism (1) are provided with deviator (3);
Described fire door (2) comprises Yishanmen (201) and the second fan door (202), and its bottom, two ends of described Yishanmen (201) all is provided with tourelle (201a); Described second fan door (202) its bottom, two ends all is provided with tourelle (201a);
Described pair of blow-on door (2) mechanism also includes transmission mechanism (4), described transmission mechanism (4) comprises the first transmission device (401) and the second transmission device (402), described the first transmission device (401) one ends are connected with described the second fan door (202), are connected with Yishanmen (201) behind deviator (3); Described the second transmission device (402) one ends are connected with described Yishanmen (201), are connected with the second fan door (202) behind deviator (3).
2. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: a side of described supporting mechanism (1) is provided with driving mechanism (5), and described Yishanmen (201) is connected with described driving mechanism (5).
3. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: described deviator (3) is divided into the first break-in section (301) and the second break-in section (302), described the first break-in section (301) is arranged at the right side of described Yishanmen (201), it comprises the first sprocket wheel (301a) and the second sprocket wheel (301b), described the second break-in section (302) is arranged at the left side of described the second fan door (202), and it comprises the 3rd sprocket wheel (302a) and the 4th sprocket wheel (302b).
4. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: described the first transmission device (401) and the second transmission device (402) are chain, and described chain matches with described the first sprocket wheel (301a), the second sprocket wheel (301b), the 3rd sprocket wheel (302a) and the 4th sprocket wheel (302b); The first transmission device (401) that is fixed in the lower end of described Yishanmen (201) then is meshed with the first sprocket wheel (301a) through the second sprocket wheel (301b) and walks around the first sprocket wheel (301a) and be connected with described second fan door (a 202) lower end; Then the second transmission device (402) that is fixed in described second fan door (202) lower end is meshed with the 3rd sprocket wheel (302a) through the 4th sprocket wheel (302b) and walks around the 3rd sprocket wheel (302a) and be connected with described Yishanmen (201).
5. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: also be provided with shaft coupling (102) and synchronizing shaft (103) on the described supporting mechanism (1), described shaft coupling (102) links to each other with described the 3rd sprocket wheel (302a) with synchronizing shaft (103).
6. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: described transmission mechanism (4) also comprises the 3rd transmission device and the 4th transmission device, described the 3rd transmission device is arranged at the other end of the described second fan door (202) relative with the first transmission device (401), is connected with Yishanmen (201) behind deviator (3); Described the 4th transmission device is arranged at the other end of the described Yishanmen (201) relative with the second transmission device (402), is connected with the second fan door (202) behind deviator (3).
7. as claimed in claim 1 or 2 pair of blow-on door mechanism is characterized in that: described driving mechanism (5) is in cylinder, oil cylinder or the electric pushrod one or more.
8. as claimed in claim 1 pair of blow-on door mechanism, it is characterized in that: described supporting mechanism (1) by fire door (2) across two opposite side on be provided with grooved rail (104), the tourelle (201a) of described fire door (2) bottom matches with grooved rail (104), so that described fire door (2) can move back and forth along described grooved rail (104).
9. as claimed in claim 1 pair of blow-on door mechanism is characterized in that: described supporting mechanism (1) by fire door (2) across the two ends of two opposite side all be provided with deviator (3).
10. as claimed in claim 9 pair of blow-on door mechanism, it is characterized in that: described deviator (3) is divided into the 3rd break-in section and the 4th break-in section, described the 3rd break-in section and the corresponding right side that is arranged at described Yishanmen (201) of described the first break-in section (301), described the 3rd break-in section comprises the 5th sprocket wheel and the 6th sprocket wheel, the corresponding left side that is arranged at described the second fan door (202) with described the second break-in section (302) of described the 4th break-in section, described the 4th break-in section comprises the 7th sprocket wheel and the 8th sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461076.5A CN102980405B (en) | 2012-11-15 | 2012-11-15 | Double-open furnace door mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461076.5A CN102980405B (en) | 2012-11-15 | 2012-11-15 | Double-open furnace door mechanism |
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| CN102980405A true CN102980405A (en) | 2013-03-20 |
| CN102980405B CN102980405B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210461076.5A Active CN102980405B (en) | 2012-11-15 | 2012-11-15 | Double-open furnace door mechanism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3722534C1 (en) * | 1987-07-08 | 1988-03-31 | Gutehoffnungshuette Man | Seal for doors of industrial furnaces |
| JPH01283317A (en) * | 1988-02-22 | 1989-11-14 | Mitsubishi Electric Corp | Door opening/closing mechanism |
| CN201697475U (en) * | 2010-06-12 | 2011-01-05 | 陕西安中机械有限责任公司 | Metal thermal treatment large-sized industrial furnace door opening and closing operation device |
| CN201945182U (en) * | 2011-01-20 | 2011-08-24 | 清华大学 | Roasting combustion flue sealing heat insulation door |
| WO2012127303A1 (en) * | 2011-03-21 | 2012-09-27 | Centrotherm Photovoltaics Ag | Barrier for a continuous annealing furnace |
| CN202485445U (en) * | 2012-01-16 | 2012-10-10 | 美钢联工程技术股份有限公司 | Sealed double-furnace door structure of heating furnace |
| CN202925058U (en) * | 2012-11-15 | 2013-05-08 | 江苏丰东热技术股份有限公司 | Double-furnace door mechanism |
-
2012
- 2012-11-15 CN CN201210461076.5A patent/CN102980405B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3722534C1 (en) * | 1987-07-08 | 1988-03-31 | Gutehoffnungshuette Man | Seal for doors of industrial furnaces |
| JPH01283317A (en) * | 1988-02-22 | 1989-11-14 | Mitsubishi Electric Corp | Door opening/closing mechanism |
| CN201697475U (en) * | 2010-06-12 | 2011-01-05 | 陕西安中机械有限责任公司 | Metal thermal treatment large-sized industrial furnace door opening and closing operation device |
| CN201945182U (en) * | 2011-01-20 | 2011-08-24 | 清华大学 | Roasting combustion flue sealing heat insulation door |
| WO2012127303A1 (en) * | 2011-03-21 | 2012-09-27 | Centrotherm Photovoltaics Ag | Barrier for a continuous annealing furnace |
| CN202485445U (en) * | 2012-01-16 | 2012-10-10 | 美钢联工程技术股份有限公司 | Sealed double-furnace door structure of heating furnace |
| CN202925058U (en) * | 2012-11-15 | 2013-05-08 | 江苏丰东热技术股份有限公司 | Double-furnace door mechanism |
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| Publication number | Publication date |
|---|---|
| CN102980405B (en) | 2014-11-05 |
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Effective date of registration: 20170323 Address after: Nanxiang Road 224100 Jiangsu province Yancheng City Dafeng Economic Development Zone No. 333 Patentee after: Jiangsu Dong Feng Technology Co., Ltd. Address before: Nanxiang Road in Dafeng City, Jiangsu province 224100 Yancheng City economic and Technological Development Zone No. 333 Patentee before: Jiangsu Fengdong Thermal Technology Co., Ltd. |