CN102759276A - Novel furnace door lifting device - Google Patents
Novel furnace door lifting device Download PDFInfo
- Publication number
- CN102759276A CN102759276A CN2012102670615A CN201210267061A CN102759276A CN 102759276 A CN102759276 A CN 102759276A CN 2012102670615 A CN2012102670615 A CN 2012102670615A CN 201210267061 A CN201210267061 A CN 201210267061A CN 102759276 A CN102759276 A CN 102759276A
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- driven chain
- fire door
- chain wheels
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- furnace door
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Abstract
The invention belongs to the technical field of heating furnaces, and more particularly relates to a novel furnace door lifting device. The novel furnace door lifting device comprises an electric hoist, a first double-row driven chain wheel group, a bracket, a first single-row driven chain wheel group, a first short link 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 link chain; a lifting hook on a steel wire rope of the electric hoist is hooked with a loop, one end of the first short link chain and one end of the second short link chain are respectively fixed with the loop, the other end of the first short link chain bypasses first driven chain wheels on the first double-row driven chain wheel group, first driven chain wheels on the second double-row chain wheel group and the first single-row driven chain wheel group in sequence and is connected to a first hanging point on the furnace door; and the other end of the second short link chain 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 in sequence and is connected to a second hanging point on the furnace door. The novel furnace door lifting device disclosed by the invention has the characteristics of simple structure and convenience for installation, use and maintenance.
Description
Technical field
The invention belongs to the heating furnace technical field, relate in particular in the trolley type heating furnace technical field, be used for opening or closing a kind of furnace door lifting device that heating furnace carries out heat, this device can be used for the industrial furnace field of processing metal heat-treatment production line.
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 high strength, rigidity and heat resistanceheat resistant deformation of creep ability.For fire door jacking equipment in the past; Main motor, the shaft coupling transmission device of adopting carries out transmission, and a side is hung counterweight, and a side connects fire door; Complex structure not only; And adopt this kind transmission device safety barrier to be set in counterweight bottom, not only workload and cost are big, and the counterweight complex installation, dismantle extremely problem such as inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, installation, use and novel furnace door lifting device easy to maintenance.
To achieve these goals; The technical scheme that the present invention taked is: a kind of novel furnace door lifting device is characterized in that: it comprises electric block, the first double driven chain wheels, support, the first single driven chain wheels, first pitch chain, firedoor frame, the second double driven chain wheels, the second single driven chain wheels, second pitch chain;
Said furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing; 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 arranged in the both sides of fire door respectively;
Support is fixed on the second fire door column of furnace door frame, and the first double driven chain wheels are arranged on the support; The second double driven chain wheels, the first single driven chain wheels, the second single driven chain wheels 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 on the steel wire rope of electric block and ring be fastener mutually; One end of first pitch chain and second pitch chain is all fixed with ring, and the other end of first pitch chain is walked around first driven sprocket, first driven sprocket on the second double driven chain wheels, the first single driven chain wheels on the first double driven chain wheels successively and is connected in first suspension centre on the fire door; The other end of second pitch chain is walked around second driven sprocket, second driven sprocket on the second double driven chain wheels, the second single driven chain wheels on the first double driven chain wheels successively and is connected in second suspension centre on the fire door.
The first fire door column of described furnace door frame is provided with stroke switchgear; Said stroke switchgear is made up of first travel switch, second travel switch and switch sliding piece; First travel switch, second travel switch are arranged on the first fire door column, and the switch sliding piece is arranged on the fire door.
The upper end of the second fire door column is fixedly connected with the left part of cruciform bracing, and the left end of cruciform bracing is positioned at the left side (electric block is fixed on the left end of the cruciform bracing of furnace door frame, promptly adopts electric block away from fire door high-temperature region end) of the second fire door column.
Beneficial effect of the present invention is:
1, simple in structure, installation, use and easy to maintenance, good economy performance.
2, adopt electric block to do power source, good stability, and can realize forward and backward, be convenient to safeguard.
3, utilize this device can avoid fire door one side mounting counterweight, effectively reduced the bearing capacity of firedoor frame one heel post, reduced the large-size and the volume of firedoor frame in the past, also practiced thrift cost simultaneously, improved security the ground operative employee.
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 the side view of electric block, electric block support and double driven chain wheels.
Among the figure: 1. electric block; 2. steel wire rope; 3. suspension hook; 4. the first double driven chain wheels; 5. support; 6. the first single driven chain wheels; 7. first pitch chain; 8. first travel switch; 9. switch sliding piece; 10. fire door; 11. furnace door frame; 12. the second double driven chain wheels; 13. the second single driven chain wheels; 14. second pitch chain; 15. second travel switch; 16. first suspension centre; 17. second suspension centre.
The specific embodiment
Specify embodiment of the present invention below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
A kind of novel furnace door lifting device disclosed by the invention, it comprises the single driven chain wheels of double driven chain wheels of single driven chain wheels of the double driven chain wheels of electric block 1, first 4, support 5, first 6, first pitch chain 7, firedoor frame 11, second 12, second 13, second pitch chain 14;
Said furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing; 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 that (upper end of the second fire door column is fixedly connected with the left part of cruciform bracing; The left end of cruciform bracing is positioned at the left side of the second fire door column); The first fire door column, the second fire door column are symmetrically arranged in the both sides (the second fire door column is positioned at the left side of fire door 10, and the left side among Fig. 1 is the left side) of fire door 10 respectively;
Support 5 is fixed on the second fire door column of (like welding) furnace door frame, and the first double driven chain wheels 4 are arranged on the support 5; Second double driven chain wheels 12, first single driven chain wheels 6, the second single driven chain wheels 13 are successively set on the cruciform bracing of furnace door frame from left to right;
Electric block 1 is fixed on the left end of the cruciform bracing of furnace door frame; (steel wire rope 2 one ends are wrapped on the electric block 1 suspension hook 3 on the steel wire rope 2 of electric block 1; Electric block can be positive and negative direction rotate) with ring fastener (being on the suspension hook 3 shackle spares) mutually; One end of first pitch chain 7 and second pitch chain 14 is all fixed with ring, and the other end of first pitch chain 7 is walked around first driven sprocket, first driven sprocket on the second double driven chain wheels 12, the first single driven chain wheels 6 on the first double driven chain wheels 4 successively and is connected in first suspension centre 16 on the fire door 10; The other end of second pitch chain 14 is walked around second driven sprocket, second driven sprocket on the second double driven chain wheels 12, the second single driven chain wheels 13 on the first double driven chain wheels 4 successively and is connected in second suspension centre 17 (second suspension centre 17 is positioned at the left side of first suspension centre 16) on the fire door 10.
The first fire door column of described furnace door frame (or second fire door column) is provided with stroke switchgear; Said stroke switchgear is made up of first travel switch 8, second travel switch 15 and switch sliding piece 9; First travel switch 8, second travel switch 15 are arranged on the first fire door column, and switch sliding piece 9 is arranged on the fire door 10.In fire door 10 lifting process; The switch sliding piece of installing on the fire door 10 9 is with two places, first travel switch 8, second travel switch 15 contact up and down; In case stroke reaches; Fire door 10 will stop to rise or descend, and the limit signal that first travel switch 8, second travel switch 15 send is issued electric block 1.
Said single driven chain wheels are formed (for existing) by a sprocket wheel, bearing, sprocket shaft, end cap, chain wheel support, lubricating cup and back-up ring; Double driven chain wheels are formed (for existing) by two driven sprockets, bearing, sprocket shaft, end cap, chain wheel support, lubricating cup and back-up ring.
Electric block 1 through suspension hook 3 pulling first pitch chain 7, second pitch chain 14 (on the vertical respectively fire door 10 two not the suspension centre of conllinear be connected), thereby is realized the up-down of fire door in lifting process.
As shown in Figure 2; Fig. 2 is Fig. 1 partial top view; The second double driven chain wheels 12 are to connect the first single driven chain wheels 6 and the second single driven chain wheels 13 simultaneously; Pitch chain 7 on the single driven chain wheels 6 and the second single driven chain wheels 13 does not interfere with one another with pitch chain 14, and is connected respectively to the suspension centre 16 and suspension centre 17 of fire door 10, thereby realizes that fire door 10 steadily, go up and down safely.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalence of therefore doing according to claim of the present invention changes, and still belongs to protection scope of the present invention.
Claims (3)
1. novel furnace door lifting device, it is characterized in that: it comprises electric block (1), the first double driven chain wheels (4), support (5), the first single driven chain wheels (6), first pitch chain (7), firedoor frame (11), the second double driven chain wheels (12), the second single driven chain wheels (13), second pitch chain (14);
Said furnace door frame is made up of the first fire door column, the second fire door column, cruciform bracing; 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 arranged in the both sides of fire door (10) respectively;
Support (5) is fixed on the second fire door column of furnace door frame, and the first double driven chain wheels (4) are arranged on the support (5); The second double driven chain wheels (12), the first single driven chain wheels (6), the second single driven chain wheels (13) are successively set on the cruciform bracing of furnace door frame from left to right;
Electric block (1) is fixed on the left end of the cruciform bracing of furnace door frame; Suspension hook (3) on the steel wire rope (2) of electric block (1) and ring be fastener mutually; One end of first pitch chain (7) and second pitch chain (14) is all fixed with ring, and the other end of first pitch chain (7) is walked around first driven sprocket, first driven sprocket on the second double driven chain wheels (12), the first single driven chain wheels (6) on the first double driven chain wheels (4) successively and is connected in first suspension centre (16) on the fire door (10); The other end of second pitch chain (14) is walked around second driven sprocket, second driven sprocket on the second double driven chain wheels (12), the second single driven chain wheels (13) on the first double driven chain wheels (4) successively and is connected in second suspension centre (17) on the fire door (10).
2. a kind of novel furnace door lifting device according to claim 1; It is characterized in that: the first fire door column of described furnace door frame is provided with stroke switchgear; Said stroke switchgear is made up of first travel switch (8), second travel switch (15) and switch sliding piece (9); First travel switch (8), second travel switch (15) are arranged on the first fire door column, and switch sliding piece (9) is arranged on the fire door (10).
3. a kind of novel furnace door lifting device according to claim 1 is characterized in that: the upper end of the second fire door column is fixedly connected with the left part of cruciform bracing, and the left end of cruciform bracing is positioned at the left side of the second fire door column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102670615A CN102759276A (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102670615A CN102759276A (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
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| CN102759276A true CN102759276A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102670615A Pending CN102759276A (en) | 2012-07-31 | 2012-07-31 | Novel furnace door lifting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820606A (en) * | 2014-01-24 | 2014-05-28 | 浙江红马铸造有限公司 | Thermal treatment furnace |
| CN106642176A (en) * | 2017-02-24 | 2017-05-10 | 江苏汉唐环保科技有限公司 | Quick opening underground flue flashboard door |
| CN107255648A (en) * | 2017-05-23 | 2017-10-17 | 闫靖媛 | A kind of fire-protection ring fire resistance experimental rig |
| CN107419071A (en) * | 2017-09-21 | 2017-12-01 | 江苏恒力炉业有限公司 | A kind of push-down heat-treatment production line |
| CN107699657A (en) * | 2017-10-26 | 2018-02-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Auxiliary replacement device and its replacing options for desulfurizing iron rifle |
| CN109184436A (en) * | 2018-09-12 | 2019-01-11 | 黑龙江省农业机械维修研究所 | A kind of window lift device |
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| CN202281493U (en) * | 2011-10-08 | 2012-06-20 | 南京正光炉业有限责任公司 | Gas chamber type heating furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820606A (en) * | 2014-01-24 | 2014-05-28 | 浙江红马铸造有限公司 | Thermal treatment furnace |
| CN106642176A (en) * | 2017-02-24 | 2017-05-10 | 江苏汉唐环保科技有限公司 | Quick opening underground flue flashboard door |
| CN107255648A (en) * | 2017-05-23 | 2017-10-17 | 闫靖媛 | A kind of fire-protection ring fire resistance experimental rig |
| CN107419071A (en) * | 2017-09-21 | 2017-12-01 | 江苏恒力炉业有限公司 | A kind of push-down heat-treatment production line |
| CN107699657A (en) * | 2017-10-26 | 2018-02-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Auxiliary replacement device and its replacing options for desulfurizing iron rifle |
| CN109184436A (en) * | 2018-09-12 | 2019-01-11 | 黑龙江省农业机械维修研究所 | A kind of window lift device |
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Application publication date: 20121031 |