CN203011148U - Furnace door lifting device - Google Patents
Furnace door lifting device Download PDFInfo
- Publication number
- CN203011148U CN203011148U CN 201220614863 CN201220614863U CN203011148U CN 203011148 U CN203011148 U CN 203011148U CN 201220614863 CN201220614863 CN 201220614863 CN 201220614863 U CN201220614863 U CN 201220614863U CN 203011148 U CN203011148 U CN 203011148U
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- furnace
- lifting device
- fire door
- furnace door
- chains
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Abstract
The utility model discloses a furnace door lifting device connected with a furnace door. The furnace door lifting device comprises a bi-directional output motor with two output ends, two speed reducers, two driving chain wheels and two chains, wherein the two speed reducers are respectively connected with the two output ends of the motor, and are opposite in rotation directions; the two driving chain wheels are respectively and correspondingly connected with the two speed reducers; the two chains are respectively meshed with the two driving chain wheels, one end of each chain is fixedly connected with the furnace door, and the other end of each chain is fixedly connected with a counter weight; and steering wheels are arranged between the driving chain wheels and corresponding counter weights, and meshed with the chains. The furnace door lifting device provided by the utility model has the benefits that the distance between the two chain wheels is not limited by the lifting stroke, the two chains are not required to be combined into one chain through a connecting board, the situation that a structural support matched with the stroke is arranged on the outer side of the furnace body is avoided, occupied space of the furnace device is reduced, and investment cost for device construction is reduced.
Description
Technical field
The utility model relates to a kind of used for industrial furnace equipment, relates in particular to a kind of door opening and closing equipment.
Background technology
All door opening and closing device to be arranged regardless of different kinds of in the heating furnace kiln of metallurgical works and dust chamber.Need mechanically operated door opening and closing device that lift, plug-type two kinds are arranged usually, wherein plug-type opening and closing device is due to the space that needs independent installation and place fire door in the fire door side, and its occupations of land is larger, and it is also safe not that setting is installed.Therefore, the plug-type door opening and closing device of common more use on rotary heating furnace at present, and substantially all adopt the elevator furnace device for opening/closing door for the fire door of stepped heating fire door and dust chamber.Because the elevator furnace device for opening/closing door can directly utilize the space of furnace wall and furnace roof etc., do not need separately to account for again other place, thereby can save the investment of production cost, and improve the security performance of fire door.
Lifting furnace door is for opening and closing up and down form, and fire door is along vertical fire door guide plate lifting, the fire door fire door elevating mechanism with special hold down gag.Furnace door lifting device commonly used divides manual, electronic and pneumatic three kinds.Furnace door lifting device generally is used on the industrial furnace of heating of metal, determines lifting power according to suitable fire door size and size, requires furnace door lifting device to have high strength, rigidity and heat resistanceheat resistant deformation of creep ability.For fire door jacking equipment in the past, mainly adopt motor, shaft coupling transmission device to carry out transmission, a side is hung counterweight, and a side connects fire door.
In the prior art, take two schemes furnace door lifting device (as the fire door of walking beam furnace):
The first is to adopt the single motor single direction to drive, and namely adopts a motor via reducer to drive drive sprocket, then by the lifting of chain-driving fire door.For steadily reliable in the process of door opening and closing, all need to adopt two suspension centres to draw high on fire door, pull fire door by two chains, through turning to after sprocket wheel turns to, by a connecting plate, two chains are merged into a chain; Drive sprocket and turn to the distance of sprocket wheel will be subject to the restriction of stroke like this, general drive sprocket set is greater than with the minimum range that turns to chain wheel set or equals " space length of the tip diameter of the stroke+sprocket wheel of fire door+500～800mm(connecting plate) ", if stroke surpasses 2m even more greatly to adding in the outside of body of heater a steel structure support that adapts with stroke more than 4m.Such setting has not only increased construction cost and has taken again more space, simultaneously also can corresponding increase unsafe factor.
The second is to adopt hydraulic drive, namely adopt hydraulic cylinder directly to draw high fire door, this method is except the same problem of existence and the first method, also need an oil cylinder that is complementary with stroke and the Hydraulic Station that power is provided, such setting not only will take the space of fire door both sides, but also the underground space that will take fire door both sides satisfies the installation needs of oil cylinder, therefore, has limited this second method being widely used at industrial circle for the demand in larger occupation of land space.
For fire door be not very wide and can only adopt in the situation of a fire door (as the shoot door of the dust chamber of steelmaking system and stove wide at 10m with the interior stepped heating furnace door that just can make simple gate), fire door can be risen to the height of requirement if adopt unidirectional drive (above mentioned first method) need to extend a steel structure support that adapts with the fire door stroke to fire door one side, the unfavorable factor that produces is exactly not only to have increased cost but also taken the space.Thereby, use in a large number the enterprise of industrial furnace or factory wish to find a kind of not only economy but also save the space-efficient furnace door lifting device.
The utility model content
The purpose of this utility model is to provide a kind of furnace door lifting device, it adopts the motor of two-way output to drive respectively the lifting process of fire door from both direction, this set is not connected with balance weight assembly after not needing two chains in lowering or hoisting gear are merged into a chain again, therefore be not subjected to the restriction of fire door lifting travel size, also need to not increase in the body of heater outside the extra structural supporter that adapts with the fire door stroke, reduce the occupation of land space of body of heater integral body, reduce the construction cost of fire door equipment, realize quickly and easily the lifting process of fire door.
According to the foregoing invention purpose, the utility model provides a kind of furnace door lifting device, and it is connected with a fire door, and this furnace door lifting device comprises:
The motor of one two-way output, it has two outputs;
Two reductors, it is connected with two outputs of motor respectively, and the direction of rotation of these two reductors is opposite;
Two drive sprockets are respectively with the corresponding connection of described two reductors;
Two chains are respectively with described two drive sprockets engagement; One end of each chain is fixedly connected with described fire door, and the other end is fixedly connected with a counterweight;
Be equipped with a deflecting roller between the counterweight of each drive sprocket and correspondence, this deflecting roller and chain engagement.
The technical solution of the utility model adopts the motor with two outputs, connect the opposite a pair of reductor of direction of rotation and directly drive a pair of drive sprocket, be connected with a pair of balance weight assembly respectively by the chain with the drive sprocket engagement, make fire door carry out in vertical direction lifting, thereby realize the closed of fire door and open.Because the distance of each sprocket wheel in the prior art will be subject to the restriction of lifting travel, when stroke surpasses more than 2m, will add in the outside of body of heater the stroke demand that a structure stand that is complementary with stroke satisfies the fire door lifting; And by this set of the present utility model, the lowering or hoisting gear of fire door has been abandoned mode used in the prior art, namely need two chains to pull fire door, be connected with balance weight assembly after by connecting plate, two chains being merged into a chain again, distance between its each sprocket wheel only needs to consider that the space at fire door top and the structure situation of each sprocket wheel get final product, irrelevant with the size of fire door stroke, be not subjected to the restriction of fire door stroke.
Further, the motor in furnace door lifting device described in the utility model also is connected with a brake.
Brake is to have to make moving component (or movable machinery) slow down, stop or keeping the machine components of the functions such as halted state.In actual production process, fire door may need to be fixed on the location status between opening fully and closing fully or in emergency circumstances need to stop immediately fire door lifting process in generation, needs brake to brake control for this lowering or hoisting gear.According to the transmission means classification of braking energy, brake can be divided into the brake of mechanical type, fluid pressure type, vapour-pressure type and electromagnetic type, if according to the maneuverability pattern classification, brake can be divided into again the brake that manpower, hydraulic pressure, air pressure and electromagnetic force are handled.The brake that the utility model is mentioned is known to those skilled in the art, and apparently, those skilled in the art can select to determine needed brake according to actual conditions and production requirement.In this article, only simply introduce for brake, detailed content and relevant parameter are not given unnecessary details at this.
Compared with prior art, furnace door lifting device described in the utility model is owing to having adopted above-mentioned technical scheme, and it has possessed following advantage:
1) distance between each sprocket wheel need not to be subject to the restriction of lifting travel;
2) need not two chains are merged into a chain by connecting plate;
3) avoid the structure stand that is complementary at body of heater arranged outside and stroke;
4) reduce the occupation of land space that stove is used device;
5) reduce the Meteorological of plant construction;
6) open and close fire door is quickly and easily saved the production time, enhances productivity.
Description of drawings
Fig. 1 is the structural representation of furnace door lifting device described in the utility model under an embodiment.
Fig. 2 is the horizontal layout schematic diagram of furnace door lifting device shown in Figure 1.
The specific embodiment
Be further illustrated for furnace door lifting device described in the utility model in conjunction with specification drawings and specific embodiments, but this explanation does not consist of the improper restriction to technical solutions of the utility model.
As depicted in figs. 1 and 2, the furnace door lifting device 9 in the present embodiment is connected with fire door, and this furnace door lifting device comprises the motor 6 of two-way output, and it has two outputs 61,62; A pair of reductor 8, it is connected with two outputs 61,62 of motor 6 respectively, and this direction of rotation to reductor is fully opposite; Two drive sprockets 1, they respectively with the corresponding connection of a pair of reductor 8; Two turn to sprocket wheel 2, and they are separately positioned on drive sprocket 1 away from a side of motor 6; Two chains 4, it meshes with two drive sprockets 1 and two rotating sprockets 2 respectively, and an end of each chain 4 is fixedly connected with fire door 10, and its other end is fixedly connected with counterweight 3; Connecting axle 5 is arranged between reductor 8 and motor 6; Brake 7 is arranged between motor 6 and a reductor 8, its can control fire door setting position or midway in process with the generation of reply special requirement or emergency.
In addition, can realize being connected between chain and counterweight by the forward-reverse spiral buckle assembly in the furnace door lifting device of some embodiment.
Need to prove, the direction of rotation of set a pair of reductor is opposite, reductor should be selected the same model of same kind, generally should not adopt the different cultivars different model.Selection for reductor is well known to those skilled in the art, and it can assemble accordingly according to produced on-site and buying situation.
This shows, furnace door lifting device in the present embodiment is owing to having adopted dual-output motor, make setpoint distance between each sprocket wheel not be subject to the restriction of fire door stroke, need not to consider that minimum range between each sprocket wheel is greater than or equals " space of the tip diameter of the stroke+sprocket wheel of fire door+500～800mm(connecting plate) " this factor, only need to consider that the space of furnace roof and the structure situation of each sprocket wheel get final product, occupation of land space and construction investment have not only been saved widely, the security that has also improved lowering or hoisting gear.
Be noted that above enumerate only for a specific embodiment of the present utility model, obviously the utility model is not limited to above embodiment, and many similar variations are arranged thereupon.If those skilled in the art all should belong to protection domain of the present utility model from all distortion that the disclosed content of the utility model directly derives or associates.
Claims (2)
1. furnace door lifting device, it is connected with a fire door, it is characterized in that, and described furnace door lifting device comprises:
The motor of one two-way output, it has two outputs;
Two reductors, it is connected with two outputs of motor respectively, and the direction of rotation of described two reductors is opposite;
Two drive sprockets are respectively with the corresponding connection of described two reductors;
Two chains are respectively with described two drive sprockets engagement; One end of described each chain is fixedly connected with described fire door, and the other end is fixedly connected with a counterweight;
Be equipped with a deflecting roller between the counterweight of described each drive sprocket and correspondence, described deflecting roller and chain engagement.
2. furnace door lifting device as claimed in claim 1, is characterized in that, described motor also is connected with a brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220614863 CN203011148U (en) | 2012-11-19 | 2012-11-19 | Furnace door lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220614863 CN203011148U (en) | 2012-11-19 | 2012-11-19 | Furnace door lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011148U true CN203011148U (en) | 2013-06-19 |
Family
ID=48602737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220614863 Expired - Lifetime CN203011148U (en) | 2012-11-19 | 2012-11-19 | Furnace door lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011148U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115302A (en) * | 2015-09-14 | 2015-12-02 | 陈海花 | Resistance furnace door device |
| CN105865208A (en) * | 2016-05-05 | 2016-08-17 | 中信重工机械股份有限公司 | Lifting device used for large trolley type furnace kiln furnace door |
| CN106071638A (en) * | 2016-07-29 | 2016-11-09 | 宁波辉格休闲用品有限公司 | A kind of Fumigator |
| CN109579544A (en) * | 2019-01-06 | 2019-04-05 | 重庆欣天利智能重工有限公司 | A kind of fire door raising structure used for industrial furnace |
-
2012
- 2012-11-19 CN CN 201220614863 patent/CN203011148U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115302A (en) * | 2015-09-14 | 2015-12-02 | 陈海花 | Resistance furnace door device |
| CN105865208A (en) * | 2016-05-05 | 2016-08-17 | 中信重工机械股份有限公司 | Lifting device used for large trolley type furnace kiln furnace door |
| CN106071638A (en) * | 2016-07-29 | 2016-11-09 | 宁波辉格休闲用品有限公司 | A kind of Fumigator |
| CN109579544A (en) * | 2019-01-06 | 2019-04-05 | 重庆欣天利智能重工有限公司 | A kind of fire door raising structure used for industrial furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180409 Address after: 066004 No. 71, Longhai Road, Qinhuangdao economic and Technological Development Zone, Hebei Patentee after: SHEN KAN QINHUANGDAO GENERAL ENGINEERING DESIGN & Research Institute CORPORATION MCC Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 47 Patentee before: BERIS ENGINEERING AND RESEARCH (QINHUANGDAO) Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |