CN203976843U - Lifting opposite opened protective door - Google Patents
Lifting opposite opened protective door Download PDFInfo
- Publication number
- CN203976843U CN203976843U CN201420347762.4U CN201420347762U CN203976843U CN 203976843 U CN203976843 U CN 203976843U CN 201420347762 U CN201420347762 U CN 201420347762U CN 203976843 U CN203976843 U CN 203976843U
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- China
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- protective door
- door
- fixed pulley
- shaped frame
- crossbeam
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Abstract
The utility model discloses a kind of lifting opposite opened protective door, comprise door-shaped frame, upper protective door, lower protective door, drive unit and transmission mechanism, described upper protective door and lower protective door are setting up and down and are positioned at door-shaped frame inner side, described upper protective door and lower protective door two ends all coordinate with door-shaped frame two column inner slide, described drive unit is located at the crossbeam top of door-shaped frame, and described drive unit end is connected with the transmission mechanism that can make upper protective door and lower protective door split; Its advantage is: by using pulley set to carry out transmission, make two cover pulley set there is contrary drawing direction, in realization, protective door and lower protective door splits, be convenient to installation and maintenance, safe, not determinants space, maintenance cost is low, driving torque is little, thereby protective door is opened and closed rapidly, saves electric power, mechanism-trouble rate is low.
Description
Technical field
The utility model relates to converter steelmaking shield technical field, relates in particular to a kind of lifting opposite opened protective door.
Background technology
Because converter steelmaking needs to observe the working of a furnace in converting process, so master control room is all arranged on converter right on, operator directly observes by implosion guard, and viewing window area is larger.More than in the continuous smelting process of converter, in stove, temperature remains on 1500 degree, add steel scrap likely to have hollow vessel early stage, after being heated, explosion occurs, and causes splash; While converting iron due to high-temp liquid and relative low temperature steel scrap moment merge, steel scrap humidity likely causes converter splash; In addition the time of falling stove likely in body of heater carbon oxygen uneven components easily cause molten steel to be gushed out, and in the time converting iron and add steel scrap, all need down stove to make fire door side direction master control room one side, thereby there is very large potential safety hazard, and gently cause implosion guard to damage, heavy can threaten to operator.Also once there is the accident that great loss of personal property splash is occurred is caused to a lot of converter time of falling stove in domestic steel mill, therefore master control room viewing window is increased to protection necessary.
Most domestic steel mill converter master control room is all provided with protective door at present, but there is certain defect in these protective doors, traversing opposite opened protective door floor space is larger, and integral elevating or classification lift protective door are slow in one's movements and need transmission rig to have very large moment.Therefore need to design a kind of novel converter master control room protective door, ensure operator's safety.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lifting opposite opened protective door, be transmission rig by using pulley set, simplified construction, upper protective door and lower protective door are realized and being split, be convenient to installation and maintenance, safe, not determinants space, maintenance cost is low, thereby driving torque littlely opens and closes rapidly protective door, saves electric power, mechanism-trouble rate is low.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of lifting opposite opened protective door, comprise door-shaped frame, upper protective door, lower protective door, drive unit and transmission mechanism, described upper protective door and lower protective door are setting up and down and are positioned at door-shaped frame inner side, described upper protective door and lower protective door two ends all coordinate with door-shaped frame two column inner slide, described drive unit is located at the crossbeam top of door-shaped frame, and described drive unit end is connected with the transmission mechanism that can make upper protective door and lower protective door split.
Described door-shaped frame two column inner sides are equipped with two guide rails arranged side by side, and described upper protective door and lower protective door two ends are equipped with upper and lower two groups of guiding wheels, and described guiding wheels coordinate with guide rail.
Described transmission mechanism comprises the cylinder that is fixed at crossbeam top by means of transmission bracket, the main rope of winding on cylinder, the first pulley set and the second pulley set, described main rope two ends connect respectively the first pulley set and the second pulley set, described the first pulley set comprises web plate, two dividing wireline and being located at the double flute fixed pulley and first single groove fixed pulley group of being located at crossbeam left end of crossbeam right-hand member of being connected with web plate, a described point of wireline is connected with upper protective door top after walking around double flute fixed pulley, an other point of wireline of described the first pulley set is connected with upper protective door top after walking around and walking around first single groove fixed pulley group after double flute fixed pulley again, described the second pulley set comprises web plate, two point wireline that are connected with web plate and the second single groove fixed pulley group and the 3rd single groove fixed pulley group that are divided into crossbeam two ends, the web plate of described the second pulley set is connected with other one end of main rope, the steel cable of described the second pulley set is connected with lower protective door top after walking around the pulley of the second single groove fixed pulley group bottom that is positioned at crossbeam right-hand member, the other steel cable of described the second pulley set is connected with lower protective door top after walking around and walking around the 3rd single groove fixed pulley group that is positioned at crossbeam left end after the pulley on second single groove fixed pulley group top again.
Described door-shaped frame one heel post inner side is provided with upper limit position switch and lower position switch, and described upper protective door end face is provided with the hit chi corresponding with upper limit position switch and lower position switch.
Described drive unit is electric motor, and electric motor is fixedly mounted in transmission bracket and by means of step-down gear and is connected with cylinder.
Adopt the beneficial effect that produces of technique scheme to be: by transmission bracket just transmission system be fixed on crossbeam, 2 the steel wire ends of main rope that are wound around on cylinder, every end separates respectively 2 points of wireline by triangle gusset plate, two cover pulley set two pieces points of wireline respectively by with double flute fixed pulley group, first single groove fixed pulley group, second single groove fixed pulley group is connected with upper protective door and lower protective door top respectively with after the 3rd single groove fixed pulley group, be used for promoting protective door and lower protective door, in the time that cylinder rotates to same direction, under the effect of pulley set, upper protective door and lower protective door move toward one another or opposing motion, realize splitting of protective door, realize the control to electric motor in conjunction with being located at upper limit position switch and the lower position switch of column inner side and the collision block of being located on protective door simultaneously, be convenient to installation and maintenance, safe, not determinants space, maintenance cost is low, driving torque is little, thereby protective door is opened and closed rapidly, save electric power, mechanism-trouble rate is low.
Brief description of the drawings
Fig. 1 is the one-piece construction of lifting opposite opened protective door;
Fig. 2 is the local structure schematic diagram of protective door guide deflection sheave and guide rail upright columns, guide rail;
In figure, mark is as follows: 1, crossbeam; 2, transmission bracket; 3, cylinder; 4, main rope; 5, gusset plate; 6, double flute fixed pulley group; 7, first single groove fixed pulley group; 8, joint flange; 8, column; 10, upper limit position switch; 11, upper protective door; 12, hit chi; 13, lower position switch; 14, guiding wheels; 15, lower protective door; 16, guide rail; 17, bottom flange; 18, basis; 19, second single groove fixed pulley group; 20, the 3rd single groove fixed pulley group.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The purpose of this utility model is to solve existing protective door structure complexity, the problem that floor space is large and maintenance is inconvenient, a kind of lifting opposite opened protective door is as shown in Figure 1 provided, comprise door-shaped frame, upper protective door 11, lower protective door 15, drive unit and transmission mechanism, described upper protective door 11 and lower protective door 15 are setting up and down, and be positioned at door-shaped frame inner side, described upper protective door 11 and lower protective door 15 two ends all coordinate (referring to accompanying drawing 2) with door-shaped frame two column 9 inner slide, described drive unit is located at crossbeam 1 top of door-shaped frame, described drive unit end is connected with the transmission mechanism that can make upper protective door 11 and lower protective door 15 split.
Described door-shaped frame two column 9 inner sides are equipped with two guide rails 16 arranged side by side, described upper protective door 11 and lower protective door 15 two ends are equipped with upper and lower two groups of guiding wheels 14, described guiding wheels 14 coordinate with guide rail 16, interior side rails all vertically arranges, and the vertical guide of upper and lower two groups of guiding wheels and both sides is slidably matched.
Described transmission mechanism comprises the cylinder 3 that is fixed at crossbeam 1 top by means of transmission bracket 2, the main rope 4 of winding on cylinder 3, the first pulley set and the second pulley set, described main rope 4 two ends connect respectively the first pulley set and the second pulley set, described the first pulley set comprises web plate 5, two dividing wireline and being located at the double flute fixed pulley group 6 and first single groove fixed pulley group 7 of being located at crossbeam 1 left end of crossbeam 1 right-hand member of being connected with web plate 5, after wherein a point of wireline is walked around double flute fixed pulley group 6, be connected with upper protective door 11 tops, an other point of wireline of described the first pulley set is walked around and is walked around first single groove fixed pulley group 7 after double flute fixed pulley group 6 again and be connected with upper protective door 11 tops, described the second pulley set comprises web plate 5, two point wireline that are connected with web plate 5 and the second single groove fixed pulley group 19 and the 3rd single groove fixed pulley group 20 that are divided into crossbeam 1 two ends, the web plate 5 of described the second pulley set is connected with other one end of main rope 4, the steel cable of described the second pulley set is connected with lower protective door 15 tops after walking around the pulley of second single groove fixed pulley group 19 bottoms that are positioned at crossbeam 1 right-hand member, the other steel cable of described the second pulley set is connected with lower protective door 15 tops after walking around and walking around the 3rd single groove fixed pulley group 20 that is positioned at crossbeam 1 left end after the pulley on second single groove fixed pulley group 19 tops again.
Described door-shaped frame one heel post 9 inner sides are provided with upper limit position switch 10 and lower position switch 13, and described upper protective door 11 end faces are provided with corresponding with upper limit position switch 10 and lower position switch 13 chi 12 that hits.Described drive unit is electric motor, electric motor is fixedly mounted in transmission bracket 2 and by means of step-down gear and is connected with cylinder 3, motor drive drum rotating, because the main rope on cylinder is divided into two ends, cylinder is in the time rotating to a direction, the two ends direction of motion of main rope is contrary, thereby makes the drawing direction of the first pulley set and the second pulley set contrary, and upper protective door and lower protective door are realized and being split.
In a word, the utility model by transmission bracket just transmission system be fixed on crossbeam, 2 the steel wire ends of main rope that are wound around on cylinder, every end separates respectively 2 points of wireline by triangle gusset plate, two cover pulley set two pieces points of wireline respectively by with double flute fixed pulley group, first single groove fixed pulley group, second single groove fixed pulley group is connected with upper protective door and lower protective door top respectively with after the 3rd single groove fixed pulley group, be used for promoting protective door and lower protective door, in the time that cylinder rotates to same direction, under the effect of transmission system, upper protective door and lower protective door move toward one another or opposing motion, realize splitting of protective door, realize the control to electric motor in conjunction with being located at upper limit position switch and the lower position switch of column inner side and the collision block of being located on protective door simultaneously, be convenient to installation and maintenance, safe, not determinants space, maintenance cost is low, thereby the little protective door that makes of driving torque opens and closes rapidly, save electric power, mechanism-trouble rate is low.
Claims (5)
1. a lifting opposite opened protective door, it is characterized in that: comprise door-shaped frame, upper protective door (11), lower protective door (15), drive unit and transmission mechanism, described upper protective door (11) and lower protective door (15) are setting up and down, and be positioned at door-shaped frame inner side, described upper protective door (11) and lower protective door (15) two ends all coordinate with door-shaped frame two columns (9) inner slide, described drive unit is located at crossbeam (1) top of door-shaped frame, described drive unit end is connected with the transmission mechanism that can make upper protective door (11) and lower protective door (15) split.
2. lifting opposite opened protective door according to claim 1, it is characterized in that: described door-shaped frame two columns (9) inner side is equipped with two guide rails arranged side by side (16), described upper protective door (11) and lower protective door (15) two ends are equipped with upper and lower two groups of guiding wheels (14), and described guiding wheels (14) coordinate with guide rail (16).
3. lifting opposite opened protective door according to claim 2, it is characterized in that: described transmission mechanism comprises the cylinder (3) that is fixed at crossbeam (1) top by means of transmission bracket (2), the main rope (4) of winding on cylinder (3), the first pulley set and the second pulley set, described main rope (4) two ends connect respectively the first pulley set and the second pulley set, described the first pulley set comprises web plate (5), two point wireline that are connected with web plate (5) and be located at the double flute fixed pulley group (6) of crossbeam (1) right-hand member and be located at first single groove fixed pulley group (7) of crossbeam (1) left end, wherein a point of wireline is connected with upper protective door (11) top after walking around double flute fixed pulley group (6), the other point of wireline of described the first pulley set is walked around and is walked around first single groove fixed pulley group (7) after double flute fixed pulley group (6) again and be connected with upper protective door (11) top, described the second pulley set comprises web plate (5), two point wireline that are connected with web plate (5) and the second single groove fixed pulley group (19) and the 3rd single groove fixed pulley group (20) that are divided into crossbeam (1) two ends, the web plate (5) of described the second pulley set is connected with other one end of main rope (4), the steel cable of described the second pulley set is connected with lower protective door (15) top after walking around the pulley of second single groove fixed pulley group (19) bottom that is positioned at crossbeam (1) right-hand member, the other steel cable of described the second pulley set is connected with lower protective door (15) top after walking around and walking around the 3rd single groove fixed pulley group (20) that is positioned at crossbeam (1) left end after the pulley on second single groove fixed pulley group (19) top again.
4. lifting opposite opened protective door according to claim 3, it is characterized in that: described door-shaped frame one heel post (9) inner side is provided with upper limit position switch (10) and lower position switch (13), described upper protective door (11) end face is provided with corresponding with upper limit position switch (10) and lower position switch (13) chi (12) that hits.
5. lifting opposite opened protective door according to claim 4, is characterized in that: described drive unit is electric motor, and electric motor is fixedly mounted on transmission bracket (2) above and is connected with cylinder (3) by means of step-down gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347762.4U CN203976843U (en) | 2014-06-27 | 2014-06-27 | Lifting opposite opened protective door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347762.4U CN203976843U (en) | 2014-06-27 | 2014-06-27 | Lifting opposite opened protective door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976843U true CN203976843U (en) | 2014-12-03 |
Family
ID=51974305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347762.4U Expired - Fee Related CN203976843U (en) | 2014-06-27 | 2014-06-27 | Lifting opposite opened protective door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833800A (en) * | 2022-06-02 | 2022-08-02 | 和帆机器人科技(上海)有限公司 | Up-down split opening and closing door |
-
2014
- 2014-06-27 CN CN201420347762.4U patent/CN203976843U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833800A (en) * | 2022-06-02 | 2022-08-02 | 和帆机器人科技(上海)有限公司 | Up-down split opening and closing door |
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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: 20141203 Termination date: 20160627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |