CN202757453U - Novel furnace door lifting device - Google Patents
Novel furnace door lifting device Download PDFInfo
- Publication number
- CN202757453U CN202757453U CN 201220377933 CN201220377933U CN202757453U CN 202757453 U CN202757453 U CN 202757453U CN 201220377933 CN201220377933 CN 201220377933 CN 201220377933 U CN201220377933 U CN 201220377933U CN 202757453 U CN202757453 U CN 202757453U
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- CN
- China
- Prior art keywords
- driven sprocket
- fire door
- sprocket group
- double
- furnace door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of heating furnaces. A novel furnace door lifting device is characterized by comprising an electric hoist, a first double-row driven chain wheel group, a support, a first single-row driven chain wheel group, a first short loop chain, a furnace door frame, a second double-row driven chain wheel group, a second single-row driven chain wheel group and a second short loop chain. A lifting hook on a steel wire rope of the electric hoist is fastened with a ring part, one end of the first short loop chain and one end of the second short loop chain are fixed with the ring part, the other end of the first short loop chain sequentially bypasses first driven chain wheels on the first double-row driven chain wheel group, first driven chain wheels on the second double-row driven chain wheel group and the first single-row driven chain wheel group and connected onto a first hanging point on a furnace door. The other end of the second short loop chain sequentially bypasses second driven chain wheels on the first double-row driven chain wheel group, second driven chain wheels on the second double-row driven chain wheel group and the second single-row driven chain wheel group and connected onto a second hanging point on the furnace door. The novel furnace door lifting device has the advantages of being simple in structure and convenient to install, use and maintain.
Description
Technical field
The utility model belongs in heating furnace technical field, more particularly to trolley type heating furnace technical field, and for a kind of furnace door lifting device by heating furnace progress high-temperature heating is opened or closed, the device can be used for the industrial furnace field of processing metal heat treatmet production line.
Background technology
Industrial furnace fire door is generally upper and lower opening and closing form, and fire door is lifted along vertical fire door guide plate, fire door elevating mechanism of the fire door with special hold-down gear.Conventional furnace door lifting device say good-bye it is dynamic, electrical and pneumatic three kinds.Furnace door lifting device is commonly used on the industrial furnace of heating metal, is determined to lift power according to suitable fire door size and size, and its residing temperature is high, it is more frequent to operate, it is desirable to which furnace door lifting device has high intensity, rigidity and heat resistanceheat resistant deformation of creep ability.For conventional fire door jacking equipment, it is main to be driven using motor, shaft coupling transmission device, one pendant counterweight, side connects fire door, not only complex structure, and have to set safety barrier in counterweight bottom using such a transmission device, not only workload and cost are big, and the complicated installation of counterweight, the problems such as dismantle extremely inconvenient.
The content of the invention
The purpose of this utility model be provide it is a kind of it is simple in construction, install, using and furnace door lowering or hoisting gear easy to maintenance.
To achieve these goals, technical solution adopted in the utility model is：A kind of furnace door lowering or hoisting gear, it is characterised in that：It includes electric block, the first double driven sprocket group, support, the first single driven sprocket group, the first pitch chain, firedoor frame, the second double driven sprocket group, the second single driven sprocket group, the second pitch chain；
The furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing, the upper end of first fire door column and the upper end of the second fire door column are fixedly connected with cruciform bracing respectively, and the first fire door column, the second fire door column are respectively arranged in the both sides of fire door；
Support is fixed on the second fire door column of furnace door frame, and the first double driven sprocket group is arranged on support；Second double driven sprocket group, the first single driven sprocket group, the second single driven sprocket group are successively set on the cruciform bracing of furnace door frame from left to right；
Electric block is fixed on the left end of the cruciform bracing of furnace door frame, suspension hook and ring phase fastener on the steel wire rope of electric block, one end of first pitch chain and the second pitch chain is fixed with ring, and the other end of the first pitch chain bypasses the first driven sprocket in the first double driven sprocket group, the first driven sprocket in the second double driven sprocket group, the first single driven sprocket group and the first suspension centre being connected on fire door successively；The other end of second pitch chain bypasses the second driven sprocket in the first double driven sprocket group, the second driven sprocket in the second double driven sprocket group, the second single driven sprocket group and the second suspension centre being connected on fire door successively.
First fire door column of described furnace door frame is provided with stroke switchgear, the stroke switchgear is made up of the first travel switch, the second travel switch and switching toggle piece, first travel switch, the second travel switch are arranged on the first fire door column, and switching toggle piece is arranged on fire door.
The upper end of second fire door column is fixedly connected with the left part of cruciform bracing, and the left end of cruciform bracing is located at the left side of the second fire door column（Electric block is fixed on the left end of the cruciform bracing of furnace door frame, i.e., use electric block away from fire door high-temperature region end）.
The beneficial effects of the utility model are：
1st, it is simple in construction, install, using and easy to maintenance, good economy performance.
2nd, power source, good stability are done using electric block, and forward and backward can be realized, be easy to safeguard.
3rd, fire door side suspended counterweight can be avoided using the device, effectively reduces the bearing capacity of the heel post of firedoor frame one, reduce the large-size and volume of conventional firedoor frame, while also saving cost, improve the security to ground operative employee.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 partial top view.
Fig. 3 is the side view of electric block, bracket of electric hoist and double driven sprocket group.
In figure：1. electric block；2. steel wire rope；3. suspension hook；4. the first double driven sprocket group；5. support；6. the first single driven sprocket group；7. the first pitch chain；8. the first travel switch；9. switching toggle piece；10. fire door；11. furnace door frame；12. the second double driven sprocket group；13. the second single driven sprocket group；14. the second pitch chain；15. the second travel switch；16. the first suspension centre；17. the second suspension centre.
Embodiment
Embodiment of the present utility model is described in detail with reference to Fig. 1, Fig. 2 and Fig. 3.
A kind of furnace door lowering or hoisting gear disclosed in the utility model, it includes electric block 1, the first double driven sprocket group 4, support 5, the first single driven sprocket group 6, the first pitch chain 7, firedoor frame 11, the second double driven sprocket group 12, the second single driven sprocket group 13, the second pitch chain 14；
The furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing, and the upper end of the upper end of the first fire door column and the second fire door column is fixedly connected with cruciform bracing respectively（The upper end of second fire door column is fixedly connected with the left part of cruciform bracing, and the left end of cruciform bracing is located at the left side of the second fire door column）, the first fire door column, the second fire door column are respectively symmetrically arranged in the both sides of fire door 10（The left side that second fire door column is located in the left side of fire door 10, Fig. 1 is left side）；
Support 5 is fixed on（As welded）On second fire door column of furnace door frame, the first double driven sprocket group 4 is arranged on support 5；Second double driven sprocket group 12, the first single driven sprocket group 6, the second single driven sprocket group 13 are successively set on the cruciform bracing of furnace door frame from left to right；
Electric block 1 is fixed on the suspension hook 3 on the left end of the cruciform bracing of furnace door frame, the steel wire rope 2 of electric block 1（The one ends wound of steel wire rope 2 is on electric block 1, and electric block can positive and negative direction rotation）With ring phase fastener（I.e. in the hook of suspension hook 3）One end of first pitch chain 7 and the second pitch chain 14 is fixed with ring, and the other end of the first pitch chain 7 bypasses the first driven sprocket in the first double driven sprocket group 4, the first driven sprocket in the second double driven sprocket group 12, the first single driven sprocket group 6 and the first suspension centre 16 being connected on fire door 10 successively；The other end of second pitch chain 14 bypasses the second driven sprocket in the first double driven sprocket group 4, the second driven sprocket in the second double driven sprocket group 12, the second single driven sprocket group 13 and the second suspension centre 17 being connected on fire door 10 successively（Second suspension centre 17 is located at the left side of the first suspension centre 16）.
First fire door column of described furnace door frame（Or the second fire door column）Stroke switchgear is provided with, the stroke switchgear is made up of the first travel switch 8, the second travel switch 15 and switching toggle piece 9, and the first travel switch 8, the second travel switch 15 are arranged on the first fire door column, and switching toggle piece 9 is arranged on fire door 10.In the lifting process of fire door 10, the switching toggle piece 9 installed on fire door 10 is in contact with the first travel switch 8, the second travel switch 15 at up and down two, once stroke reaches, fire door 10 will stop rising or falling, and the limit signal that the first travel switch 8, the second travel switch 15 are sent issues electric block 1.
The single driven sprocket group is made up of a sprocket wheel, bearing, sprocket shaft, end cap, sprocket support, lubricating cup and back-up ring（To be existing）；Double driven sprocket group is made up of two driven sprockets, bearing, sprocket shaft, end cap, sprocket support, lubricating cup and back-up ring（To be existing）.
Electric block 1 pulls the first pitch chain 7, the second pitch chain 14 in lifting process by suspension hook 3（Two not conllinear suspension centres on fire door 10 are respectively perpendicular to be connected）, so as to realize the lifting of fire door.
As shown in Figure 2, Fig. 2 is Fig. 1 partial top views, second double driven sprocket group 12 is while connecting the first single driven sprocket group 13 of single driven sprocket group 6 and second, pitch chain 7 and pitch chain 14 in the single driven sprocket group 13 of single driven sprocket group 6 and second are not interfered with one another, and the suspension centre 16 and suspension centre 17 of fire door 10 are connected respectively to, so as to realize that fire door 10 is steady, safely lift.
Above disclosed is only preferred embodiment of the present utility model, can not limit the interest field of the utility model, therefore the equivalence changes made according to present utility model application the scope of the claims with this certainly, still belong to protection domain of the present utility model.
Claims (3)
1. a kind of furnace door lowering or hoisting gear, it is characterised in that：It includes electric block（1）, the first double driven sprocket group（4）, support（5）, the first single driven sprocket group（6）, the first pitch chain（7）, firedoor frame（11）, the second double driven sprocket group（12）, the second single driven sprocket group（13）, the second pitch chain（14）；
The furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing, and the upper end of the upper end of the first fire door column and the second fire door column is fixedly connected with cruciform bracing respectively, and the first fire door column, the second fire door column are respectively arranged in fire door（10）Both sides；
Support（5）It is fixed on the second fire door column of furnace door frame, the first double driven sprocket group（4）It is arranged on support（5）On；Second double driven sprocket group（12）, the first single driven sprocket group（6）, the second single driven sprocket group（13）It is successively set on from left to right on the cruciform bracing of furnace door frame；
Electric block（1）It is fixed on the left end of the cruciform bracing of furnace door frame, electric block（1）Steel wire rope（2）On suspension hook（3）With ring phase fastener, the first pitch chain（7）With the second pitch chain（14）One end fixed with ring, the first pitch chain（7）The other end bypass the first double driven sprocket group successively（4）On the first driven sprocket, the second double driven sprocket group（12）On the first driven sprocket, the first single driven sprocket group（6）And it is connected to fire door（10）On the first suspension centre（16）；Second pitch chain（14）The other end bypass the first double driven sprocket group successively（4）On the second driven sprocket, the second double driven sprocket group（12）On the second driven sprocket, the second single driven sprocket group（13）And it is connected to fire door（10）On the second suspension centre（17）.
2. a kind of furnace door lowering or hoisting gear according to claim 1, it is characterised in that：First fire door column of described furnace door frame is provided with stroke switchgear, and the stroke switchgear is by the first travel switch（8）, the second travel switch（15）With switching toggle piece（9）Composition, the first travel switch（8）, the second travel switch（15）It is arranged on the first fire door column, switching toggle piece（9）It is arranged on fire door（10）On.
3. a kind of furnace door lowering or hoisting gear according to claim 1, it is characterised in that：The upper end of second fire door column is fixedly connected with the left part of cruciform bracing, and the left end of cruciform bracing is located at the left side of the second fire door column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377933 CN202757453U (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377933 CN202757453U (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757453U true CN202757453U (en) | 2013-02-27 |
Family
ID=47736627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220377933 Expired - Fee Related CN202757453U (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757453U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759276A (en) * | 2012-07-31 | 2012-10-31 | 中冶南方(武汉)威仕工业炉有限公司 | Novel furnace door lifting device |
| CN104195316A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Side opening type heat treatment furnace for long cast component |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
| CN106440817A (en) * | 2016-11-28 | 2017-02-22 | 无锡市莱达热工工程有限公司 | Lifting furnace door device of thermal furnace |
-
2012
- 2012-07-31 CN CN 201220377933 patent/CN202757453U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759276A (en) * | 2012-07-31 | 2012-10-31 | 中冶南方(武汉)威仕工业炉有限公司 | Novel furnace door lifting device |
| CN104195316A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Side opening type heat treatment furnace for long cast component |
| CN104195300A (en) * | 2014-09-16 | 2014-12-10 | 苏州中门子科技有限公司 | Heat treatment system and heat treatment method for steel tube |
| CN104195300B (en) * | 2014-09-16 | 2016-08-24 | 苏州中门子科技有限公司 | The heat treatment system of a kind of steel pipe and method |
| CN106440817A (en) * | 2016-11-28 | 2017-02-22 | 无锡市莱达热工工程有限公司 | Lifting furnace door device of thermal furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |