CN102397881B - Safety device for protective door of rolling mill frame - Google Patents
Safety device for protective door of rolling mill frame Download PDFInfo
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- CN102397881B CN102397881B CN 201010279991 CN201010279991A CN102397881B CN 102397881 B CN102397881 B CN 102397881B CN 201010279991 CN201010279991 CN 201010279991 CN 201010279991 A CN201010279991 A CN 201010279991A CN 102397881 B CN102397881 B CN 102397881B
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- safety pin
- protective door
- safety
- mounting groove
- safety device
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Abstract
The invention relates to a safety device for a protective door of a rolling mill frame. The safety device is characterized by comprising a substrate (3) and a safety pin (4), wherein a mounting groove (31) of which the upper and lower sides and the front and rear sides are run-through in the substrate; the middle part of the safety pin is connected to the inside of the mounting groove (31) in a rotational mode by a connecting shaft (5); the upper end and the lower end of the safety pin are exposed out of the substrate; a horizontal support block (32) is arranged at the lower left corner of the mounting groove, and a vertical support block (33) is arranged at the upper right corner of the mounting groove; the upper end of the safety pin is put on the upper end face of the horizontal support block when the safety pin rotates to the basically-horizontal state; and the upper end of the safety pin butts against the vertical support block when the safety pin rotates to the basically-vertical state. The safety device is easy and convenient to operate, namely the safety and protective effects can be achieved only by keeping the basically-horizontal state of the safety pin in the state of opening a protective door.
Description
Technical field
The utility model relates to a kind of safety device, relates in particular to a kind of safety device for protective door of rolling mill frame.
Background technology
Development along with science and technology, various milling train speeds of production are more and more higher, especially produce special steel, stainless milling train, broken steel, bolt etc. fly out and hurt sb.'s feelings when preventing that milling train from producing, and prevent that rolling medium mist of oil benefit from going out, protective door netted, lucite all has been installed before frame, and this protective door upwardly opens substantially, and in nonproductive operation process, personnel can often pass through or just below protective door.
Existing most milling trains all do not have engineered safety features, and one protective door has about the 100-200 kilogram, high 2.5-4 rice, and the number of times that pass through and stop under protective door because of the requirement of operation every day is frequent, and the probability that has an accident is very large; The protective door casualty accident that drops occured in enterprise of the same type, lacked safety device and had potential safety hazard, in the urgent need to installing additional.
All unit designs have installed the manual safety pin additional in 2007, can stop safety door after dropping in the safety door accident, this manual safety pin exists the installation position to set high, and therefore sawed-offly almost reaches, and reduces the effect that the high safety door does not have again protection operating personnel head; Because the manual safety pin uses frequently, every day, each manual safety pin used all over more than 100 times, and the plug of this manual safety pin once needs from support to take out, insert, extract, put into four actions of shelf, and therefore operation is inconvenient; Safety device is arranged on protective door guide rail, and the position needs plug specially not on the operation route, easily causes and often forgets or can't drop into safety device when needing the fast processing unit abnormal, causes potential safety hazard
Summary of the invention
Technical problem to be solved in the utility model is that a kind of easy to operate safety device that is used for protective door of rolling mill frame is provided for above-mentioned prior art present situation.
Second technical problem to be solved in the utility model is to provide a kind of safety device that is used for protective door of rolling mill frame that just can automatically work under the state that protective door is opened, use safer.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of safety device for protective door of rolling mill frame, it is characterized in that: comprise being fixed on the pedestal on the guide rail of protective door, have up and down and pre-and post perforative mounting groove in pedestal; Safety pin, its middle part is rotatably connected in mounting groove by connecting axle, the top and bottom of safety pin are all exposed outside pedestal, the lower right-hand corner of mounting groove is provided with the horizontal support piece, the place, the upper right corner of mounting groove is provided with vertical back-up block, turn at safety pin under the state of basic horizontal, the upper end of safety pin is shelved on the upper surface of horizontal support piece; Turn under substantially vertical state at safety pin, described vertical back-up block stops that the upper end of safety pin turns over.
As improvement, turn under the state of basic horizontal the lower end of described safety pin and the vertically lower surface conflict of back-up block at safety pin.Turn under the state of basic horizontal at safety pin like this, not only the upper end of safety pin obtains the support of the upper surface of horizontal support piece, and the lower end of safety pin can obtain the support of vertical back-up block, therefore safety pin can remain on the basic horizontal position more securely, and safety pin more can support the protective door that drops.
For solving second technical problem, the safety device just can be worked under the state that protective door is opened automatically, the lower end of above-mentioned safety pin has gradually the linkage portion of downward-sloping setting forward, turn under substantially vertical state at safety pin, the front end of described linkage portion exposes forward the front end face of pedestal and can touch with protective door.
when protective door along moving past on track in journey, the front end face that exposes forward pedestal due to the front end of linkage portion, therefore protective door can touch linkage portion, linkage portion drives safety pin deflection around the shaft, the upper end of safety pin is moved forward, the center of gravity of the upper end of safety pin forward like this, after protective door is opened fully, protective door breaks away from the gear to the upper end of safety pin, safety pin in the situation that center of gravity forward, safety pin integral body turns to forward the basic horizontal position, play the effect that stops that protective door falls, therefore relating to so just to work the safety device automatically under the state that protective door is opened, need not artificial operation bidirectional, stopped open the door complete after, the thing of forgetting the handling safety device occurs, eliminate safe hidden trouble.
Further improve, the upper end of above-mentioned safety pin has ball head.Ball head is the cambered surface contact with contacting of protective door like this, can prevent that the upper end and the protective door that move up and down safety pin in process at protective door from fixing, ball head increases again the counterweight of safety pin upper end simultaneously, guarantee that safety pin is in the situation that without power deflection forward voluntarily, guarantee that better the safety device just can work automatically under the state that protective door is opened.
Above-mentioned linkage portion is the tubular object that profile takes the shape of the letter U.The handled easily person uses this safety pin of hand rotating operation like this.
Compared with prior art, the utility model has the advantage of: the operating process of safety device is simple and convenient, under the state that protective door is opened, as long as make safety pin keep the substrate level can play safety protection function; And when will only needing first to lift gently safety pin at closing time, the protective door normal descend is closed; And due between safety pin and pedestal for being rotationally connected, therefore it is laborsaving to rotate safety pin.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the stereochemical structure cutaway view of the utility model embodiment;
Fig. 3 is for being installed to the utility model embodiment the perspective view (being in the safeguard protection state) on protective door;
Fig. 4 is for being installed to the utility model embodiment the perspective view (being in the state of closing the door) on protective door.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in Fig. 1～2, be a preferred embodiment of the present utility model.
A kind of safety device for protective door of rolling mill frame includes to be fixed on the pedestal 3 on the guide rail 2 of protective door 1, and pedestal 3 is made by the 45# steel, substantially is rectangular-shaped, has up and down and pre-and post perforative mounting groove 31 in pedestal 3.
By the safety pin 4 that the 45# steel is made, the lower end of safety pin 4 has gradually the linkage portion 41 of downward-sloping setting forward, the tubular object that linkage portion 41 takes the shape of the letter U for profile, and the upper end of safety pin 4 has ball head 42.
The middle part of safety pin 4 is rotatably connected in mounting groove 31 by connecting axle 5, and all expose outside pedestal 3 top and bottom of safety pin 4, and mounting groove 31 lower right-hand corner are provided with horizontal support piece 32, and the place, the upper right corner of mounting groove 31 is provided with vertical back-up block 33.Turn at safety pin 4 under the state of basic horizontal, basic horizontal is slightly tilted upward as good with the front end that guarantees safety pin, and the upper end of safety pin 4 is shelved on the upper surface of horizontal support piece 32, the lower end of safety pin 4 and the vertically lower surface conflict of back-up block 33; Turn under substantially vertical state at safety pin 4, vertically back-up block 33 stops that the upper end of safety pin 4 turns over, the front end of linkage portion 41 expose forward pedestal 3 front end face and can with protective door 1 touching.
Use procedure and the principle of safety device are as follows:
As shown in Fig. 3,4, the pedestal of this safety device is welded and fixed on the track 2 of protective door 1,
protective door opening process: as shown in Figure 3, because linkage portion 41 contacts with protective door 1 all the time, therefore the upper end of safety pin 4 is slightly turned forward, guarantee the upper end center of gravity of safety pin 4 forward, after protective door 1 is opened fully, safety pin 4 is under the Action of Gravity Field of deadweight and ball head 42, rotate upset forward, until safety pin 4 turns to the state of basic horizontal, the upper end of safety pin 4 is shelved on the upper surface of horizontal support piece 32, the lower end of safety pin 4 and the vertically lower surface conflict of back-up block 33, even if at this moment protective door 1 drops, safety pin 4 also can supporting protection door 1, effectively stopping protective door 1 drops and injures personnel's potential safety hazard by a crashing object.
The protective door closing process: as shown in Figure 4, first lift gently safety pin 4, make safety pin 4 substantially be in vertical state, at this moment protective door 1 just can normally be opened.
Claims (4)
1. a safety device that is used for protective door of rolling mill frame, is characterized in that: comprise
In order to the pedestal (3) on the guide rail (2) that is fixed on protective door (1), have up and down and pre-and post perforative mounting groove (31) in pedestal (3);
Safety pin (4), its middle part is rotatably connected in mounting groove (31) by connecting axle (5), all expose outside pedestal (3) top and bottom of safety pin (4), the lower right-hand corner of mounting groove (31) is provided with horizontal support piece (32), the place, the upper right corner of mounting groove (31) is provided with vertical back-up block (33), turn under the state of basic horizontal at safety pin (4), the upper end of described safety pin (4) is shelved on the upper surface of horizontal support piece (32); Turn under substantially vertical state at safety pin (4), described vertical back-up block (33) stops that the upper end of safety pin (4) turns over;
The lower end of described safety pin (4) has gradually the linkage portion (41) of downward-sloping setting forward, turn under substantially vertical state at safety pin (4), the front end of described linkage portion (41) exposes forward the front end face of pedestal (3) and can touch with protective door (1).
2. the safety device for protective door of rolling mill frame according to claim 1, it is characterized in that: turn under the state of basic horizontal the lower end of described safety pin (4) and the vertically lower surface conflict of back-up block (33) at safety pin (4).
3. the safety device for protective door of rolling mill frame according to claim 1, it is characterized in that: the upper end of described safety pin (4) has ball head (42).
4. the safety device for protective door of rolling mill frame according to claim 1, is characterized in that: the tubular object that described linkage portion (41) takes the shape of the letter U for profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279991 CN102397881B (en) | 2010-09-09 | 2010-09-09 | Safety device for protective door of rolling mill frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279991 CN102397881B (en) | 2010-09-09 | 2010-09-09 | Safety device for protective door of rolling mill frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102397881A CN102397881A (en) | 2012-04-04 |
| CN102397881B true CN102397881B (en) | 2013-11-06 |
Family
ID=45880761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010279991 Active CN102397881B (en) | 2010-09-09 | 2010-09-09 | Safety device for protective door of rolling mill frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102397881B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425585A (en) * | 2018-03-23 | 2018-08-21 | 哈尔滨岛田大鹏工业股份有限公司 | A kind of lift automatic impaction door gear |
| CN112692072B (en) * | 2020-12-21 | 2023-01-24 | 浙江传播者金属装饰材料有限公司 | Safety protection device for rolling mill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087680U (en) * | 1990-12-25 | 1991-10-30 | 王俊章 | Speedy safety big lifting door |
| CN2895665Y (en) * | 2006-05-09 | 2007-05-02 | 江苏金秋竹门业有限公司 | Anti-drop safety mechanism |
| CN201339405Y (en) * | 2008-11-27 | 2009-11-04 | 蒋育新 | Dropping-prevention safety protection device |
| KR20090128864A (en) * | 2008-06-11 | 2009-12-16 | 교동산업 주식회사 | Sudden fall preventing device of vertical opening and closing door |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0232395A (en) * | 1988-07-22 | 1990-02-02 | Fujitsu Ltd | Voice section segmenting control system |
| JPH0254389A (en) * | 1988-08-19 | 1990-02-23 | Fuji Photo Film Co Ltd | Memory cartridge attaching/detaching mechanism |
| JPH0617572A (en) * | 1991-03-20 | 1994-01-25 | Murata Mach Ltd | Falling down preventive device for automatic door |
| JPH0932395A (en) * | 1995-07-17 | 1997-02-04 | Noguchi Hardware:Kk | Engaging tool and engaging structure of hinged door |
-
2010
- 2010-09-09 CN CN 201010279991 patent/CN102397881B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087680U (en) * | 1990-12-25 | 1991-10-30 | 王俊章 | Speedy safety big lifting door |
| CN2895665Y (en) * | 2006-05-09 | 2007-05-02 | 江苏金秋竹门业有限公司 | Anti-drop safety mechanism |
| KR20090128864A (en) * | 2008-06-11 | 2009-12-16 | 교동산업 주식회사 | Sudden fall preventing device of vertical opening and closing door |
| CN201339405Y (en) * | 2008-11-27 | 2009-11-04 | 蒋育新 | Dropping-prevention safety protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102397881A (en) | 2012-04-04 |
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| C14 | Grant of patent or utility model | ||
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