CN102397881A - Safety device for protective door of rolling mill frame - Google Patents
Safety device for protective door of rolling mill frame Download PDFInfo
- Publication number
- CN102397881A CN102397881A CN2010102799913A CN201010279991A CN102397881A CN 102397881 A CN102397881 A CN 102397881A CN 2010102799913 A CN2010102799913 A CN 2010102799913A CN 201010279991 A CN201010279991 A CN 201010279991A CN 102397881 A CN102397881 A CN 102397881A
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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 lower 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 present invention relates to a kind of safety device, relate in particular to a kind of safety device that is used for the rolling-mill housing protective door.
Background technology
Continuous development along with science and technology; Various milling train speeds of production are increasingly high, especially produce special steel, stainless milling train, and 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 basically, and personnel can often pass through or just below protective door in the nonproductive operation process.
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 big; The protective door casualty accident that drops took place in enterprise of the same type, lacked safety device and had potential safety hazard, pressed for and installed additional.
The manual safety pin has been installed in all unit designs additional in 2007; After dropping, can stop safety door in the safety door accident; This manual safety pin exists the installation site high, therefore sawed-offly almost reaches, and reduces the effect that the high safety door does not have protection operating personnel head again; Because the manual safety pin uses frequent, every day, each manual safety pin used all above more than 100 times, and four actions of shelf once need taken out, insert, extract, put into to the plug of this manual safety pin from support, therefore operation inconvenience; Safety device is installed on the protective door guide rail, and the position needs plug specially not on the operation route, is prone to cause often forget or can't drop into safety device when needing the fast processing unit unusual, causes potential safety hazard
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned prior art present situation a kind of easy to operate safety device that is used for the rolling-mill housing protective door to be provided.
Second technical problem to be solved by this invention provide a kind of just can the acting automatically safety device that is used for the rolling-mill housing protective door under the state that protective door is opened, use safer.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of safety device that is used for the rolling-mill housing protective door is characterized in that: comprise in order to the pedestal on the guide rail that is fixed on protective door having in the pedestal up and down and pre-and post perforative mounting groove; Safety pin; The center is rotatably connected in the mounting groove through connecting axle; All expose outside the pedestal top and bottom of safety pin, and the lower right-hand corner of mounting groove is provided with the Horizontal Branch bracer, and the place, the lower right corner of mounting groove is provided with vertical back-up block; Under safety pin turned to basic horizontal state, the upper end of safety pin was shelved on the upper surface of Horizontal Branch bracer; Turn under the vertical basically state at safety pin, said vertical back-up block stops that the upper end of safety pin turns over.
As improvement, under safety pin turns to basic horizontal state, the lower end of said safety pin and the vertically lower surface conflict of back-up block.Like this under safety pin turns to basic horizontal state; Not only the upper end of safety pin obtains the support of the upper surface of Horizontal Branch bracer; 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 the vertical basically state at safety pin, the front end of said linkage portion exposes the front end face of pedestal forward and can touch with protective door.
When protective door along moving past on the track in the journey because the front end of linkage portion exposes the front end face of pedestal forward, so protective door can touch linkage portion; Linkage portion drives safety pin deflection around the shaft, and the upper end of safety pin is moved forward, and the center of gravity of the upper end of safety pin forward like this; Behind the protective door complete opening, protective door breaks away from the gear to the upper end of safety pin, and safety pin is under center of gravity situation forward; Safety pin integral body turns to the basic horizontal position forward, plays the effect that stops that protective door falls, and therefore relates to like this safety device just can be worked under the state that protective door is opened automatically; Need not artificial operation bidirectional; Stopped after the completion of opening the door, forgotten that the thing of handling safety device takes place, eliminated 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 the process at protective door from fixing; Ball head increases the counterweight of safety pin upper end again simultaneously; Guarantee safety pin deflection forward voluntarily under, guarantee that better the safety device just can work automatically under the state that protective door is opened without the situation of power.
Above-mentioned linkage portion is the tubular object that profile takes the shape of the letter U.The handled easily person is with this safety pin of hand rotating operation like this.
Compared with prior art, the invention has the advantages that: 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 the security protection effect; And, the protective door normal descend is closed when will only needing to lift safety pin gently earlier at closing time; And since between safety pin and the pedestal for being rotationally connected, so the rotation safety pin is laborsaving.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention;
Fig. 2 is the stereochemical structure cutaway view of the embodiment of the invention;
Fig. 3 is for to be installed to the perspective view (being in the safeguard protection state) on the protective door with the embodiment of the invention;
Fig. 4 is for to be installed to the perspective view (being in the state of closing the door) on the protective door with the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～2, be a preferred embodiment of the present invention.
A kind of safety device that is used for the rolling-mill housing protective door includes in order to the pedestal 3 on the guide rail 2 that is fixed on protective door 1, and pedestal 3 is processed by the 45# steel, is rectangular-shaped basically, has in the pedestal 3 up and down and pre-and post perforative mounting groove 31.
By the safety pin 4 that the 45# steel is processed, 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 the mounting groove 31 through connecting axle 5, and all expose outside the pedestal 3 top and bottom of safety pin 4, and mounting groove 31 lower right-hand corner are provided with Horizontal Branch bracer 32, and the place, the lower right corner of mounting groove 31 is provided with vertical back-up block 33.Turn under the basic horizontal state at safety pin 4, basic horizontal is slightly tilted upward to 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 Branch bracer 32, the lower end of safety pin 4 and the vertically lower surface conflict of back-up block 33; Turn under the vertical basically 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.
The use and the principle of safety device are following:
Like Fig. 3, shown in 4, the welding of the pedestal of this safety device is fixed on the track 2 of protective door 1,
The protective door opening process: as shown in Figure 3, owing to linkage portion 41 contacts with protective door 1 all the time, so the upper end of safety pin 4 is slightly turned forward; The upper end center of gravity that guarantees safety pin 4 forward, behind protective door 1 complete opening, safety pin 4 is under the gravity effect of deadweight and ball head 42; Rotate upset forward, turn to basic horizontal state until safety pin 4, the upper end of safety pin 4 is shelved on the upper surface of Horizontal Branch bracer 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 stops protective door 1 and drops and injure personnel's potential safety hazard by a crashing object.
Protective door closes closed procedure: as shown in Figure 4, lift safety pin 4 gently earlier, and make safety pin 4 be in vertical state basically, at this moment protective door 1 just can normally be opened.
Claims (5)
1. a safety device that is used for the rolling-mill housing protective door is characterized in that: comprise
In order to the pedestal (3) on the guide rail (2) that is fixed on protective door (1), have in the pedestal (3) up and down and pre-and post perforative mounting groove (31);
Safety pin (4); The center is rotatably connected in the mounting groove (31) through connecting axle (5); All expose outside the pedestal (3) top and bottom of safety pin (4), and the lower right-hand corner of mounting groove (31) is provided with Horizontal Branch bracer (32), and the place, the lower right corner of mounting groove (31) is provided with vertical back-up block (33); Turn under the basic horizontal state at safety pin (4), the upper end of said safety pin (4) is shelved on the upper surface of Horizontal Branch bracer (32); Turn under the vertical basically state at safety pin (4), said vertical back-up block (33) stops that the upper end of safety pin (4) turns over.
2. the safety device that is used for the rolling-mill housing protective door according to claim 1 is characterized in that: turn under the basic horizontal state lower end of said safety pin (4) and the vertically lower surface conflict of back-up block (33) at safety pin (4).
3. the safety device that is used for the rolling-mill housing protective door according to claim 1 and 2; It is characterized in that: the lower end of said safety pin (4) has gradually the linkage portion (41) of downward-sloping setting forward; Turn under the vertical basically state at safety pin (4), the front end of said linkage portion (41) exposes the front end face of pedestal (3) forward and can touch with protective door (1).
4. the safety device that is used for the rolling-mill housing protective door according to claim 3 is characterized in that: the upper end of said safety pin (4) has ball head (42).
5. the safety device that is used for the rolling-mill housing protective door according to claim 3 is characterized in that: the tubular object that said 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 true CN102397881A (en) | 2012-04-04 |
| CN102397881B CN102397881B (en) | 2013-11-06 |
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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) |
Cited By (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 |
| CN112692072A (en) * | 2020-12-21 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Safety protection device for rolling mill |
Citations (8)
| 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 |
| CN2087680U (en) * | 1990-12-25 | 1991-10-30 | 王俊章 | Speedy safety big lifting door |
| 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 |
| 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 |
-
2010
- 2010-09-09 CN CN 201010279991 patent/CN102397881B/en active Active
Patent Citations (8)
| 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 |
| CN2087680U (en) * | 1990-12-25 | 1991-10-30 | 王俊章 | Speedy safety big lifting door |
| 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 |
| 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 |
Cited By (3)
| 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 |
| CN112692072A (en) * | 2020-12-21 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Safety protection device for rolling mill |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102397881B (en) | 2013-11-06 |
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