CN202792987U - Furnace door lifting device with hydraulic oil cylinder - Google Patents
Furnace door lifting device with hydraulic oil cylinder Download PDFInfo
- Publication number
- CN202792987U CN202792987U CN 201220416540 CN201220416540U CN202792987U CN 202792987 U CN202792987 U CN 202792987U CN 201220416540 CN201220416540 CN 201220416540 CN 201220416540 U CN201220416540 U CN 201220416540U CN 202792987 U CN202792987 U CN 202792987U
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- CN
- China
- Prior art keywords
- sprocket wheel
- fire door
- chain
- chain wheel
- furnace door
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- 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
Links
- 239000010720 hydraulic oil Substances 0.000 title abstract 4
- 241001125879 Gobio Species 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of a heating furnace, and particularly relates to a device for opening and closing a furnace door of the heating furnace. A furnace door lifting device with a hydraulic oil cylinder is characterized by comprising a hydraulic oil cylinder, a chain wheel set and a furnace door frame, wherein the chain wheel set comprises a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a first short link chain and a second short link chain; all the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel are arranged on a frame cross beam of the furnace door frame through a chain wheel bracket; the first chain wheel, the third chain wheel and the fourth chain wheel are positioned at the left end of the frame cross beam; the second chain wheel is positioned at the right end of the frame cross beam; one ends of both the first short link chain and the second short link chain are connected with a telescopic end of the hydraulic oil cylinder through chain buckles; the other end of the first short link chain passes by the third chain wheel and the fourth chain wheel in sequence and is connected with a first lifting point of the furnace door; and the other end of the second short link chain passes by the first chain wheel and the second chain wheel in sequence and is connected to a second lifting point of the furnace door. The furnace door lifting device has the characteristics of simple structure, safety, stability and good economy.
Description
Technical field
The utility model belongs to the heating furnace technical field, relates in particular to the device of Compaction of Heating Furnace Door opening and closing, is specifically related to a kind of furnace door lifting device with hydraulic jack.
Background technology
The industrial furnace fire door mostly is upper and lower switching 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, and its temperature of living in is high, operation is more frequent, requires furnace door lifting device to have the ability of high strength, rigidity and the heat resistanceheat resistant deformation of creep.Fire door jacking equipment in the past, main motor, the shaft coupling transmission device of adopting carries out transmission, and a side connects fire door, and a side is hung counterweight, and counterweight is exposed to the device outside, consider security, must safety barrier be set in the counterweight bottom, workload and cost are large, especially for small-sized fire door, adopt this furnace door lifting device, the occupation of land space is large, and it is heavy that device seems.
Summary of the invention
The purpose of this utility model is to provide a kind of safety and stability, simple in structure, the furnace door lifting device with hydraulic jack that cost is low.
To achieve these goals, technical solution adopted in the utility model is: a kind of furnace door lifting device with hydraulic jack is characterized in that it comprises hydraulic jack, chain wheel set, furnace door frame;
Described hydraulic jack and oil cylinder gudgeon frame are hinged, and oil cylinder gudgeon frame is fixed on the cylinder pedestal, and cylinder pedestal is fixed in the outside of the second fire door column of furnace door frame;
Described chain wheel set comprises the first sprocket wheel, the second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel, the first pitch chain, the second pitch chain; The first sprocket wheel, the second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel all are arranged on the cruciform bracing of furnace door frame by the chain wheel support; The first sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel are positioned at the left end of cruciform bracing, and the second sprocket wheel is positioned at the right-hand member of cruciform bracing;
One end of the first pitch chain, the second pitch chain all is connected with the telescopic end of hydraulic jack by cuff link; The other end of the first pitch chain is walked around successively the 3rd sprocket wheel, the 4th sprocket wheel and is connected in the first suspension centre on the fire door; The other end of the second pitch chain is walked around successively the first sprocket wheel, the second sprocket wheel and is connected in the second suspension centre on the fire door.
Described furnace door frame is comprised of the first fire door column, the second fire door column, cruciform bracing, is fixedly connected with by cruciform bracing between the upper end of the upper end of the first fire door column and the second fire door column; The first fire door column, the second fire door column are symmetrical in the both sides that the fire door center line is arranged in respectively fire door.
The first sprocket wheel and the 3rd sprocket coaxiality.
The first sprocket wheel and the second sprocket wheel conllinear; The 3rd sprocket wheel and the 4th sprocket wheel conllinear.
The beneficial effects of the utility model are:
1, especially for small-sized fire door, adopt hydraulic jack to drive the fire door lifting by chain wheel set, it is simple in structure, and is attractive in appearance.
2, hydraulic jack and oil cylinder gudgeon frame adopt hinged connected mode, can make hydraulic jack with pitch chain pulling force free adjustment angle, reduce the friction that stressed variation causes piston rod and oil cylinder inner wall, increase the oil cylinder life-span.
3, hydraulic jack working stability, hydraulic jack can replace high-power components, uses hydraulic system needing to be mainly used in the long-time place of supporting weight, and it can still can support weight when removing oil pressure, and safe and reliable (safety and stability).
4, use hydraulic jack to drive can to remove the cost of motor, shaft coupling and counterweight in the furnace door lifting device in the past, reduced simultaneously the potential safety hazard of bringing because of suspended counterweight, cost low (economy), security are good.
5, because heating furnace belongs to high-temperature heating device, by the pitch chain transmission, its heat resistanceheat resistant deformation of creep ability is good between hydraulic jack, chain wheel set and fire door.
The utility model is particularly useful for small-sized fire door.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial top view of Fig. 1.
Fig. 3 is partial side view's (side view that pitch chain is connected with hydraulic jack) of Fig. 1.
Wherein, 1-cylinder pedestal; 2-oil cylinder gudgeon frame; The 3-hydraulic jack; 4.1-the first sprocket wheel; 4.2-the second sprocket wheel; 4.3-the 3rd sprocket wheel; 4.4-the 4th sprocket wheel; 5-chain wheel support; 6.1-the first pitch chain; 6.2-the second pitch chain; 7.1-the first suspension centre; 7.2-the second suspension centre; 8-fire door center line; 9.1-the first travel switch; 9.2-the second travel switch; 10-switching toggle sheet; 11.1-the first fire door column; 11.2-the second fire door column; The 12-fire door; The 13-cruciform bracing; The 14-cuff link.
The specific embodiment
Describe embodiment of the present utility model in detail below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
The disclosed a kind of furnace door lifting device with hydraulic jack of the utility model, it comprises hydraulic jack 3, chain wheel set, furnace door frame;
Described furnace door frame is comprised of the first fire door column 11.1, the second fire door column 11.2, cruciform bracing 13, is fixedly connected with (such as welding, becoming the П type) by cruciform bracing 13 between the upper end of the upper end of the first fire door column 11.1 and the second fire door column 11.2; The first fire door column 11.1, the second fire door column 11.2 are symmetrical in the both sides that fire door center line 8 is arranged in respectively fire door 12;
Described hydraulic jack 3 is hinged with oil cylinder gudgeon frame 2, and oil cylinder gudgeon frame 2 is fixed on the cylinder pedestal 1, and cylinder pedestal 1 is fixed in the outside of the second fire door column 11.2;
As shown in Figure 2, described chain wheel set comprises the first sprocket wheel 4.1, the second sprocket wheel 4.2, the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4, the first pitch chain 6.1, the second pitch chain 6.2; The first sprocket wheel 4.1, the second sprocket wheel 4.2, the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4 all are arranged on the cruciform bracing 13 by chain wheel support 5; The first sprocket wheel 4.1 is coaxial with the 3rd sprocket wheel 4.3; The first sprocket wheel 4.1, the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4 are arranged in the left end (left side of Fig. 1 is left end) of cruciform bracing 13, and the second sprocket wheel 4.2 is positioned at the right-hand member of cruciform bracing 13; The first sprocket wheel 4.1 and the second sprocket wheel 4.2 conllinear; The 3rd sprocket wheel 4.3 and the 4th sprocket wheel 4.4 conllinear;
One end of the first pitch chain 6.1, the second pitch chain 6.2 all is connected (as shown in Figure 3) by cuff link 14 with the telescopic end of hydraulic jack 3; The other end of the first pitch chain 6.1 is walked around successively the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4 and is connected in the first suspension centre 7.1 on the fire door 12; The other end of the second pitch chain 6.2 is walked around successively the first sprocket wheel 4.1, the second sprocket wheel 4.2 and is connected in the second suspension centre 7.2 on the fire door 12.
The top that the first travel switch 9.1, the second travel switch 9.2, the first travel switches 9.1 are positioned at the second travel switch 9.2 all is installed on the first fire door column 11.1, and the top of fire door 12 is equipped with switching toggle sheet 10.
Described hydraulic jack 3 is hinged with oil cylinder gudgeon frame 2, adopts hinged connected mode, can make hydraulic jack 3 with the direction free adjustment angle of the first pitch chain 6.1, the second pitch chain 6.2 pulling force.
The stretching, contract of hydraulic jack 3, and drive fire door 12 by chain wheel set and descend, rise; In fire door 12 decline processes, trigger the first travel switch 9.1 by the switching toggle sheet 10 that is installed on fire door 12 tops, control fire door 12 down positions; In fire door 12 uphill process, trigger the second travel switch 9.2 by the switching toggle sheet 10 that is installed on fire door 12 tops, control fire door 12 lifting positions; Described the first travel switch 9.1, the second travel switch 9.2 all are installed on the first fire door column 11.1 (as shown in Figure 1).
Above disclosed only is preferred embodiment of the present utility model, can not limit with this interest field of the utility model, and the equivalence of doing according to the utility model claim changes, and still falls into protection domain of the present utility model.
Claims (5)
1. the furnace door lifting device with hydraulic jack is characterized in that it comprises hydraulic jack (3), chain wheel set, furnace door frame;
Described hydraulic jack (3) is hinged with oil cylinder gudgeon frame (2), and oil cylinder gudgeon frame (2) is fixed on the cylinder pedestal (1), and cylinder pedestal (1) is fixed in the outside of the second fire door column (11.2) of furnace door frame;
Described chain wheel set comprises the first sprocket wheel (4.1), the second sprocket wheel (4.2), the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4), the first pitch chain (6.1), the second pitch chain (6.2); The first sprocket wheel (4.1), the second sprocket wheel (4.2), the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4) all are arranged on the cruciform bracing (13) of furnace door frame by chain wheel support (5); The first sprocket wheel (4.1), the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4) are positioned at the left end of cruciform bracing (13), and the second sprocket wheel (4.2) is positioned at the right-hand member of cruciform bracing (13);
One end of the first pitch chain (6.1), the second pitch chain (6.2) all is connected by the telescopic end of cuff link (14) with hydraulic jack (3); The other end of the first pitch chain (6.1) is walked around successively the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4) and is connected in the first suspension centre (7.1) on the fire door (12); The other end of the second pitch chain (6.2) is walked around successively the first sprocket wheel (4.1), the second sprocket wheel (4.2) and is connected in the second suspension centre (7.2) on the fire door (12).
2. a kind of furnace door lifting device with hydraulic jack according to claim 1, it is characterized in that, described furnace door frame is comprised of the first fire door column (11.1), the second fire door column (11.2), cruciform bracing (13), is fixedly connected with by cruciform bracing (13) between the upper end of the upper end of the first fire door column (11.1) and the second fire door column (11.2); The first fire door column (11.1), the second fire door column (11.2) are symmetrical in the both sides that fire door center line (8) is arranged in respectively fire door (12).
3. a kind of furnace door lifting device with hydraulic jack according to claim 1 is characterized in that, the first sprocket wheel (4.1) is coaxial with the 3rd sprocket wheel (4.3).
4. a kind of furnace door lifting device with hydraulic jack according to claim 1 is characterized in that, the first sprocket wheel (4.1) and the second sprocket wheel (4.2) conllinear; The 3rd sprocket wheel (4.3) and the 4th sprocket wheel (4.4) conllinear.
5. a kind of furnace door lifting device with hydraulic jack according to claim 2, it is characterized in that, the first travel switch (9.1), the second travel switch (9.2) all are installed on the first fire door column (11.1), the first travel switch (9.1) is positioned at the top of the second travel switch (9.2), and the top of fire door (12) is equipped with switching toggle sheet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220416540 CN202792987U (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220416540 CN202792987U (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792987U true CN202792987U (en) | 2013-03-13 |
Family
ID=47820239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220416540 Expired - Fee Related CN202792987U (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788513A (en) * | 2012-08-22 | 2012-11-21 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace door lifting device with hydraulic cylinder |
| CN105387724A (en) * | 2015-11-23 | 2016-03-09 | 江苏丰东热技术股份有限公司 | Novel balancing-weight-free furnace door lifting system |
-
2012
- 2012-08-22 CN CN 201220416540 patent/CN202792987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788513A (en) * | 2012-08-22 | 2012-11-21 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace door lifting device with hydraulic cylinder |
| CN105387724A (en) * | 2015-11-23 | 2016-03-09 | 江苏丰东热技术股份有限公司 | Novel balancing-weight-free furnace door lifting system |
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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: 20130313 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |