CN102788513A - Furnace door lifting device with hydraulic cylinder - Google Patents
Furnace door lifting device with hydraulic cylinder Download PDFInfo
- Publication number
- CN102788513A CN102788513A CN2012102991705A CN201210299170A CN102788513A CN 102788513 A CN102788513 A CN 102788513A CN 2012102991705 A CN2012102991705 A CN 2012102991705A CN 201210299170 A CN201210299170 A CN 201210299170A CN 102788513 A CN102788513 A CN 102788513A
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- fire door
- chain
- chain wheel
- 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.)
- Pending
Links
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention 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 cylinder is characterized by comprising the hydraulic cylinder, a chain wheel group and a furnace door frame, wherein the chain wheel group comprises a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a first short ring chain and a second short ring chain; the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel are arranged on a frame 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 arranged at the left end of the frame beam; the second chain wheel is arranged at the right end of the frame beam; one end of each of the first short ring chain and the second short ring chain is connected with an expansion end of the hydraulic cylinder through a chain buckle; the other end of the first short ring chain orderly rotates around the third chain wheel and the fourth chain wheel and is connected to a first suspension centre on the furnace door; and the other end of the second short ring chain orderly rotates around the first chain wheel and the second chain wheel and is connected to a second suspension centre on the furnace door. The furnace door lifting device with the hydraulic cylinder has the characteristics of being simple in structure, safe and stable and good in economical efficiency.
Description
Technical field
The invention belongs to the heating furnace technical field, relate in particular to the device of Compaction of Heating Furnace Door opening and closing, be specifically related to a kind of furnace door lifting device with hydraulic jack.
Background technology
Mostly the industrial furnace fire door is upper and lower switching form, and fire door has the fire door elevating mechanism of special hold down gag along vertical fire door guide plate up-down, fire door.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, confirms up-down 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.The fire door jacking equipment mainly adopted motor, shaft coupling transmission device to carry out transmission in the past, and a side connects fire door; One side is hung counterweight, and counterweight is exposed to the device outside, the consideration security; Must safety barrier be set in the counterweight bottom, workload and cost are big, especially for small-sized fire door; Adopt this furnace door lifting device, the occupation of land space is big, and it is heavy that device seems.
Summary of the invention
The object of the present invention is to provide the furnace door lifting device of a kind of safety and stability, simple in structure, band hydraulic jack that cost is low.
To achieve these goals, the technical scheme that the present invention taked 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;
Said 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;
Said chain wheel set comprises first sprocket wheel, second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel, first pitch chain, second pitch chain; First sprocket wheel, second sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel all are arranged on the cruciform bracing of furnace door frame through the chain wheel support; First sprocket wheel, the 3rd sprocket wheel, the 4th sprocket wheel are positioned at the left end of cruciform bracing, and second sprocket wheel is positioned at the right-hand member of cruciform bracing;
One end of first pitch chain, second pitch chain all is connected with the flexible end of hydraulic jack through cuff link; The other end of first pitch chain is walked around the 3rd sprocket wheel, the 4th sprocket wheel successively and is connected in first suspension centre on the fire door; The other end of second pitch chain is walked around first sprocket wheel, second sprocket wheel successively and is connected in second suspension centre on the fire door.
Said furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing, is fixedly connected 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 fire door respectively.
First sprocket wheel and the 3rd sprocket coaxiality.
First sprocket wheel and the second sprocket wheel conllinear; The 3rd sprocket wheel and the 4th sprocket wheel conllinear.
Beneficial effect of the present invention is:
1, especially for small-sized fire door, adopt hydraulic jack to drive fire door and go up and down through 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, and using hydraulic system to be mainly used in needs 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 the potential safety hazard of bringing because of the suspension counterweight simultaneously, cost low (economy), security are good.
5, because heating furnace belongs to heat equipment, through the pitch chain transmission, its heat resistanceheat resistant deformation of creep ability is good between hydraulic jack, chain wheel set and fire door.
The present invention is particularly useful for small-sized fire door.
Description of drawings
Fig. 1 is a structural representation of the present invention.
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-first sprocket wheel; 4.2-second sprocket wheel; 4.3-the 3rd sprocket wheel; 4.4-the 4th sprocket wheel; 5-chain wheel support; 6.1-first pitch chain; 6.2-second pitch chain; 7.1-first suspension centre; 7.2-second suspension centre; 8-fire door center line; 9.1-first travel switch; 9.2-second travel switch; 10-switch sliding piece; 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
Specify embodiment of the present invention below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
A kind of furnace door lifting device disclosed by the invention with hydraulic jack, it comprises hydraulic jack 3, chain wheel set, furnace door frame;
Said furnace door frame is made up of the first fire door column 11.1, the second fire door column 11.2, cruciform bracing 13, is fixedly connected (like 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 fire door 12 respectively;
Said 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, said chain wheel set comprises first sprocket wheel 4.1, second sprocket wheel 4.2, the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4, first pitch chain 6.1, second pitch chain 6.2; First sprocket wheel 4.1, 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 through chain wheel support 5; First sprocket wheel 4.1 is coaxial with the 3rd sprocket wheel 4.3; 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 a left end) of cruciform bracing 13, and second sprocket wheel 4.2 is positioned at the right-hand member of cruciform bracing 13; First sprocket wheel 4.1 and second sprocket wheel, 4.2 conllinear; The 3rd sprocket wheel 4.3 and the 4th sprocket wheel 4.4 conllinear;
One end of first pitch chain 6.1, second pitch chain 6.2 all is connected (as shown in Figure 3) through cuff link 14 with the flexible end of hydraulic jack 3; The other end of first pitch chain 6.1 is walked around the 3rd sprocket wheel 4.3, the 4th sprocket wheel 4.4 successively and is connected in first suspension centre 7.1 on the fire door 12; The other end of second pitch chain 6.2 is walked around first sprocket wheel 4.1, second sprocket wheel 4.2 successively and is connected in second suspension centre 7.2 on the fire door 12.
The top that first travel switch 9.1, second travel switch, 9.2, the first travel switches 9.1 are positioned at 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 switch sliding piece 10.
Said hydraulic jack 3 is hinged with oil cylinder gudgeon frame 2, adopts hinged connected mode, can make the direction free adjustment angle of hydraulic jack 3 with first pitch chain 6.1, second pitch chain, 6.2 pulling force.
The stretching, contract of hydraulic jack 3, and drive fire door 12 through chain wheel set and descend, rise; In fire door 12 decline processes, trigger first travel switch 9.1 through the switch sliding piece 10 that is installed on fire door 12 tops, control fire door 12 down positions; In fire door 12 uphill process, trigger second travel switch 9.2 through the switch sliding piece 10 that is installed on fire door 12 tops, control fire door 12 lifting positions; Said first travel switch 9.1, second travel switch 9.2 all are installed on the first fire door column 11.1 (as shown in Figure 1).
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field with this, the equivalence of doing according to claim of the present invention changes, and still falls into protection scope of the present invention.
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;
Said 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;
Said chain wheel set comprises first sprocket wheel (4.1), second sprocket wheel (4.2), the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4), first pitch chain (6.1), second pitch chain (6.2); First sprocket wheel (4.1), 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 through chain wheel support (5); 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 second sprocket wheel (4.2) is positioned at the right-hand member of cruciform bracing (13);
One end of first pitch chain (6.1), second pitch chain (6.2) all is connected through the flexible end of cuff link (14) with hydraulic jack (3); The other end of first pitch chain (6.1) is walked around the 3rd sprocket wheel (4.3), the 4th sprocket wheel (4.4) successively and is connected in first suspension centre (7.1) on the fire door (12); The other end of second pitch chain (6.2) is walked around first sprocket wheel (4.1), second sprocket wheel (4.2) successively and is connected in second suspension centre (7.2) on the fire door (12).
2. a kind of furnace door lifting device according to claim 1 with hydraulic jack; It is characterized in that; Said furnace door frame is made up of the first fire door column (11.1), the second fire door column (11.2), cruciform bracing (13), is fixedly connected 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 fire door (12) respectively.
3. a kind of furnace door lifting device with hydraulic jack according to claim 1 is characterized in that 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, first sprocket wheel (4.1) and 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 according to claim 2 with hydraulic jack; It is characterized in that; First travel switch (9.1), second travel switch (9.2) all are installed on the first fire door column (11.1); First travel switch (9.1) is positioned at the top of second travel switch (9.2), and the top of fire door (12) is equipped with switch sliding piece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102991705A CN102788513A (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102991705A CN102788513A (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102788513A true CN102788513A (en) | 2012-11-21 |
Family
ID=47153991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102991705A Pending CN102788513A (en) | 2012-08-22 | 2012-08-22 | Furnace door lifting device with hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102788513A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057607A (en) * | 2014-06-30 | 2014-09-24 | 大连天能机床有限公司 | Hot-press forming machine |
| CN104310249A (en) * | 2014-10-19 | 2015-01-28 | 耒阳市诚松有色金属再生有限公司 | Hoisting device for fine bismuth cast ingot |
| CN110108128A (en) * | 2019-05-27 | 2019-08-09 | 河南天利热工装备股份有限公司 | A kind of industrial furnace fire door raising synchronization mechanism |
| CN113899214A (en) * | 2021-10-20 | 2022-01-07 | 东莞市群和五金制品有限公司 | Energy-saving thermal forming furnace for aluminum alloy plate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB670699A (en) * | 1947-07-07 | 1952-04-23 | Ile D Etude De Fours Pour Trai | Air-tight and gas-tight doors or closure members for furnaces and other openings |
| DE3307248A1 (en) * | 1983-03-02 | 1984-09-06 | Didier Engineering Gmbh, 4300 Essen | Furnace for heating slabs, billets or similar material to be heated |
| GB2227822A (en) * | 1989-02-04 | 1990-08-08 | Copermill Ltd | Safety door for furnace |
| CN101699205A (en) * | 2009-11-06 | 2010-04-28 | 苏州新长光热能科技有限公司 | Furnace door lifting device |
| CN102002373A (en) * | 2010-11-22 | 2011-04-06 | 中冶焦耐(大连)工程技术有限公司 | Off-line repair device for coke oven door |
| CN201885576U (en) * | 2010-12-20 | 2011-06-29 | 哈尔滨松江电炉厂有限责任公司 | Smelting furnace door with double pressing mechanisms and double elastic connectors |
| CN201954967U (en) * | 2011-03-05 | 2011-08-31 | 河南中色赛尔工业炉有限公司 | Furnace door mechanism for industrial kiln furnace |
| CN202792987U (en) * | 2012-08-22 | 2013-03-13 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace door lifting device with hydraulic oil cylinder |
-
2012
- 2012-08-22 CN CN2012102991705A patent/CN102788513A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB670699A (en) * | 1947-07-07 | 1952-04-23 | Ile D Etude De Fours Pour Trai | Air-tight and gas-tight doors or closure members for furnaces and other openings |
| DE3307248A1 (en) * | 1983-03-02 | 1984-09-06 | Didier Engineering Gmbh, 4300 Essen | Furnace for heating slabs, billets or similar material to be heated |
| GB2227822A (en) * | 1989-02-04 | 1990-08-08 | Copermill Ltd | Safety door for furnace |
| CN101699205A (en) * | 2009-11-06 | 2010-04-28 | 苏州新长光热能科技有限公司 | Furnace door lifting device |
| CN102002373A (en) * | 2010-11-22 | 2011-04-06 | 中冶焦耐(大连)工程技术有限公司 | Off-line repair device for coke oven door |
| CN201885576U (en) * | 2010-12-20 | 2011-06-29 | 哈尔滨松江电炉厂有限责任公司 | Smelting furnace door with double pressing mechanisms and double elastic connectors |
| CN201954967U (en) * | 2011-03-05 | 2011-08-31 | 河南中色赛尔工业炉有限公司 | Furnace door mechanism for industrial kiln furnace |
| CN202792987U (en) * | 2012-08-22 | 2013-03-13 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace door lifting device with hydraulic oil cylinder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057607A (en) * | 2014-06-30 | 2014-09-24 | 大连天能机床有限公司 | Hot-press forming machine |
| CN104310249A (en) * | 2014-10-19 | 2015-01-28 | 耒阳市诚松有色金属再生有限公司 | Hoisting device for fine bismuth cast ingot |
| CN110108128A (en) * | 2019-05-27 | 2019-08-09 | 河南天利热工装备股份有限公司 | A kind of industrial furnace fire door raising synchronization mechanism |
| CN110108128B (en) * | 2019-05-27 | 2024-06-18 | 河南天利热工装备股份有限公司 | Industrial furnace door lifting synchronous mechanism |
| CN113899214A (en) * | 2021-10-20 | 2022-01-07 | 东莞市群和五金制品有限公司 | Energy-saving thermal forming furnace for aluminum alloy plate |
| CN113899214B (en) * | 2021-10-20 | 2024-02-02 | 东莞市群和五金制品有限公司 | Energy-saving type thermoforming furnace for aluminum alloy plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201292224Y (en) | Movable weight counterbalance apparatus of crawler crane | |
| CN102788513A (en) | Furnace door lifting device with hydraulic cylinder | |
| CN205367639U (en) | Fluid pressure type scraped car lifts upset machine | |
| CN212459241U (en) | Bridge tunnel foundation bearing capacity detection device | |
| CN102556901A (en) | Forklift mast | |
| CN102759276A (en) | Novel furnace door lifting device | |
| CN202414970U (en) | Novel wind power blade turning lifting appliance | |
| CN202792987U (en) | Furnace door lifting device with hydraulic oil cylinder | |
| CN102837681A (en) | Stretching structure for baffle block of three-sectional supporting leg cylinder | |
| CN104677744A (en) | Static loading test device for missile wing | |
| CN202213216U (en) | Adjustable multi-functional heavy duty press | |
| CN201809761U (en) | Sleeve-type double anti-tilt bar compaction mechanism | |
| CN102759277B (en) | Furnace door lifting device with counterweights | |
| CN203875330U (en) | Steel ladle covering device | |
| CN105460811A (en) | Double-reinforced type crane girder lengthening device | |
| CN110668320A (en) | Hoisting device for building | |
| CN102976199B (en) | Electrical opening-closing hanger for amplitude-change plate stack | |
| CN106436681A (en) | Vertical type shock-absorbing tamping machine applied to building | |
| CN104401900A (en) | Cover plate hoisting device | |
| CN202379682U (en) | Lifting mechanism of forklift | |
| CN203513181U (en) | Heavy-load shearing type hydraulic elevating platform | |
| CN203545585U (en) | Lifting platform device | |
| CN202829424U (en) | Indoor movable type hoisting tool | |
| CN202124858U (en) | Hydraulic pile hammer | |
| CN110963406A (en) | Hoisting device capable of increasing lifting stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |