CN203162138U - Still kettle quick open door kettle cover rotation limiting mechanism - Google Patents
Still kettle quick open door kettle cover rotation limiting mechanism Download PDFInfo
- Publication number
- CN203162138U CN203162138U CN2013200660750U CN201320066075U CN203162138U CN 203162138 U CN203162138 U CN 203162138U CN 2013200660750 U CN2013200660750 U CN 2013200660750U CN 201320066075 U CN201320066075 U CN 201320066075U CN 203162138 U CN203162138 U CN 203162138U
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- kettle cover
- kettle
- safety pin
- safety
- operating valve
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Abstract
The utility model belongs to the field of pressure devices and discloses a still kettle quick open door kettle cover rotation limiting mechanism which comprises a still kettle quick open door kettle cover, a kettle cover flange, a limiting block, a segmental safety handle, a in-place switch, an air cylinder, a safety pin, safety pin rail seats and a limiting wedge. The still kettle quick open door kettle cover is mounted on the kettle cover flange, uniform teeth are processed in the circumferential direction of the kettle cover flange, uniform teeth are processed in the circumferential direction of a kettle body end-portion flange, the limiting block is arranged on the kettle cover flange, the segmental safety handle is arranged on the still kettle quick open door kettle cover, the in-place switch is arranged on the kettle cover flange, the air cylinder is connected with one end of the safety pin, and the other end of the safety pin is matched with the limiting wedge which is placed on empty positions among kettle teeth. On the basis of retaining a quick open door safety interlocking device universally used in an original still kettle, an original functional device is retained, so that safety performance of the still kettle is further improved, simplicity and convenience in improvement are realized, an original safety system is unaffected, and benefit is high.
Description
Technical field
The utility model autoclave quick operating valve kettle cover restriction rotating mechanism belongs to the pressure unit field.
Background technique
The autoclave quick operating valve of extensive use at present adopts the tooth-type structure mostly, along the circumferential direction process uniform tooth on kettle cover flange and kettle end flange, by by a certain angle of kettle cover flange rotary, can realize the engagement between kettle cover flange and kettle end flange and stagger, thereby reaching the purpose of snap switch; After kettle cover is closed and locked, the steam that passes into the certain pressure temperature expands special V-seal rubber ring and realizes self-energized seal.
In this process, after kettle cover pushes along the room of still tooth, kettle cover and kettle are when toothed flange closes separately, operation kettle cover Manual unlocking device (what routine was applied at present is that circle lacks the disc mechanism dead-man's handle) is closed outlet valve, the cambered surface that makes the circle that connects on exhasut valve stem lack the shape plate is alignd with the plate washer indentation, there on being welded in kettle cover, can boost; This device is the rotating mechanism of restriction kettle cover, can prevent that kettle cover from rotating in the pressure-bearing situation.But due to its special operation condition reason of autoclave: (1) mechanical impact cause circle lack plate washer on shape plate and kettle cover easily deform produce displacement, the mechanical failure of the rotating mechanism device that causes limiting kettle cover of misplacing; (2) the alkaline corrosion material produced due to mechanical impact, steam, rainwater, dust impels the electric inefficacy of position limit switch; This is the main cause that causes the equipment safety interlocking to lose efficacy.
Inefficacy due to the equipment safety interlocking, thereby cause limiting the rotating mechanism failure of apparatus of kettle cover, and close fully in situation at kettle cover, do not boost by force, under the effect of the long-term misalignment vapor pressure of tooth button relatively (putting aside other external force), the suffered circumferencial direction component of still tooth has just formed a moment of rotation that acts on kettle cover along opening direction, misplace larger, the component of circumferencial direction is just larger, the moment that kettle cover is rotated is also just larger, kettle cover is under the acting in conjunction of rotating force and additional moment, making kettle cover progressively slide onto the dislocation of two places, between cog space flies out, this is the blast immediate cause of accident of autoclave.
The model utility content
The purpose of this utility model is the defect that the circle for avoiding existing kettle cover Manual unlocking device lacks shape plate strength deficiency, spacing not in place and electric easy inefficacy, and a kind of safe and simple, economy and durability, easy-operating autoclave quick operating valve kettle cover restriction rotating mechanism are provided.
The purpose of this utility model reaches by following measures, autoclave quick operating valve kettle cover restriction rotating mechanism comprises autoclave quick operating valve kettle cover, the kettle cover flange, limiting stopper, circle lacks the dish dead-man's handle, location switch, cylinder, safety pin, the safety pin rail chair, spacing voussoir, autoclave quick operating valve kettle cover is arranged on the kettle cover flange, along the circumferential direction process uniform tooth at kettle cover flange and kettle end flange, on the kettle cover flange, limiting stopper is set, circle is set on autoclave quick operating valve kettle cover and lacks the dish dead-man's handle, be set to bit switch on the kettle cover flange, safety pin is arranged on the safety pin rail chair, cylinder is connected with an end of safety pin, the other end of safety pin coordinates with spacing voussoir, spacing voussoir is placed on the room of still between cog.
Safety pin is comprised of stainless steel bar and teflon overcoat, and safety pin is arranged on the safety pin rail chair, and when operation, safety pin plays the booster action of firm spacing voussoir and electrode movable contact.
On spacing voussoir, handgrip is set.
On spacing voussoir, groove is set, the groove fit on the stainless steel bar of safety pin and spacing voussoir.
The safety pin resilient contact is set in the groove of spacing voussoir, and the relay normally open contact of DC loop is connected in series with former kettle cover location switch SQ.
Spacing voussoir safety interlock is comprised of spacing voussoir, safety pin and electric control loop; Spacing voussoir volume should carry the room of full still between cog, while mainly preventing the operation with pressure of autoclave quick operating valve kettle cover, rotates.When operation, safety pin plays the booster action of firm spacing voussoir and electrode movable contact.Spacing voussoir safety interlock course of action is as follows: the process of (i) boosting: 1. the touching of autoclave quick operating valve kettle cover complete closure → location switch closed → manually spacing voussoir is put into to the room of still between cog → by lower cylinder safety pin starting button → safety pin, inject spacing voussoir inner groovy.2. the stainless steel bar of safety pin and the conducting of spacing voussoir inner groovy safety pin resilient contact 24V direct current, the relay normally open contact of AQ DC loop is connected in series → realizes multiple interlocking with the location switch SQ of former autoclave quick operating valve kettle cover, controls the safe steam supply boost function of steam inlet valve.(ii) step-down process: 1. manually circle lacks the disc mechanism dead-man's handle to opening the emptying position; when the kettle Pressure Drop is following to 0.03MPa; micro-voltage controllor (making again the high precision low pressure sensor be commonly called as zero voltage protection) action; at this moment former still door safety pin sets back and the release of hand deceleration door lifter structure electromagnet lock ability; need to press control box opens the door and covers button simultaneously; the cylinder of spacing wedge safety pin resets; manually spacing voussoir is taken out and moves away from from the room of still between cog, at this moment autoclave quick operating valve kettle cover just can be opened safely.2. autoclave quick operating valve kettle cover is opened in rotary course, and on autoclave quick operating valve kettle cover, original special vapour position of letting out again can be complete the remaining vapour discharge remained in seal ring; This three-level protective has guaranteed that, when still front tooth and tooth are thrown off fully, at this moment the residual voltage in still, well below 0.01MPa, is guaranteed still gate switch safety.
Spacing voussoir of the present utility model is the rotating mechanism of restriction autoclave quick operating valve kettle cover, and its shape and structure intensity has overcome the huge shearing produced while because of autoclave quick operating valve kettle cover, rotating accident fully; What greatly improved current conventional application is the body intensity and the shortcoming that weld defects (floor installation is all generally the fillet welding welding, strength deficiency) is installed that circle lacks disc mechanism dead-man's handle and autoclave quick operating valve kettle cover locked secure pin.
The utility model adopts insulation, wear-resisting, corrosion-resistant, exotic material and lower security voltage electric controling mode to guarantee the electrical safety interlocking of limit function.
The utility model is due to the room that spacing voussoir volume size carries full still between cog, overcome at dead of night fully between during operation due to the illuminance level deficiency, operator are difficult to the shortcoming of confirming to still tooth 100% engagement.Inner groovy and the stainless steel bar elastomeric electrical contact design of (conventional application is to rely on location switch to determine whether autoclave quick operating valve kettle cover reaches the predetermined function that can boost at position of closing and fail fully effective guarantee and arrive the engagement degree of still tooth fully) spacing voussoir of the utility model, more meet the bad working environments such as waterproof and dustproof, anti-collision, anti-oscillating and anti-collision shell electric short circuit generation misoperation.
The utility model, retaining the original functional device of reservation on the general safety interlock device of quick actuating closure device basic of original autoclave, further improves its Safety performance, improves simple and convenient former safety system, the high efficiency of not affecting.
The accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is A place structure for amplifying schematic diagram of accompanying drawing 1.
Accompanying drawing 3 is that the B of accompanying drawing 2 is to schematic diagram.
Accompanying drawing 4 is structure for amplifying schematic diagram of accompanying drawing 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In figure: autoclave quick operating valve kettle cover 1, kettle cover flange 2, limiting stopper 3, circle lack dish dead-man's handle 4, location switch 5, cylinder 6, safety pin 7, safety pin rail chair 8, teflon overcoat 9, stainless steel bar 10, safety pin resilient contact 11, spacing voussoir 12, handgrip 13.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, the utility model consists of autoclave quick operating valve kettle cover 1, kettle cover flange 2, limiting stopper 3, the scarce dish of circle dead-man's handle 4, location switch 5, cylinder 6, safety pin 7, safety pin rail chair 8, teflon overcoat 9, stainless steel bar 10, safety pin resilient contact 11, spacing voussoir 12, handgrip 13.Autoclave quick operating valve kettle cover 1 is arranged on kettle cover flange 2, the kettle cover flange processes uniform tooth at circumferencial direction, the kettle end flange processes uniform tooth at circumferencial direction, limiting stopper 3 is set on kettle cover flange 2, circle is set on autoclave quick operating valve kettle cover 1 and lacks dish dead-man's handle 4, be set to bit switch 5 on kettle cover flange 2, cylinder 6 is connected with an end of safety pin 7, the other end of safety pin 7 coordinates with spacing voussoir 12, safety pin is comprised of stainless steel bar 10 and teflon overcoat 9, safety pin 7 is arranged on safety pin rail chair 8, when operation, safety pin plays the booster action of firm spacing voussoir and electrode movable contact.On spacing voussoir 12, handgrip 13 is set.On spacing voussoir 12, groove is set, the groove fit on the stainless steel bar of safety pin 7 and spacing voussoir 12.Safety pin resilient contact 11 is set in the groove of spacing voussoir, and the relay normally open contact of DC loop is connected in series with the location switch 5 of former autoclave quick operating valve kettle cover.
(i) the process of boosting:
1. 5 touchings of autoclave quick operating valve kettle cover 1 complete closure → location switch closed → manually spacing voussoir 11 is put into to the room of still between cog → press lower cylinder 6 safety pin starting button → safety pins 7 to inject spacing voussoir 12 inner groovies.
2. the stainless steel bar 10 of safety pin and spacing voussoir inner groovy safety pin resilient contact 11(24V direct current)
Conducting, the relay normally open contact of DC loop is connected in series → realizes multiple interlocking with former autoclave quick operating valve kettle cover location switch 5, controls steam inlet valve, realizes safe steam supply boost function.
(ii) step-down process:
1. the manually-operable circle lacks disc mechanism dead-man's handle 4 to opening the emptying position; when the kettle Pressure Drop is following to 0.03MPa; micro-voltage controllor (be called again the high precision low pressure sensor and be commonly called as zero voltage protection) action; at this moment former still door safety pin sets back and the release of hand deceleration door lifter structure electromagnet lock ability; need to press to control to open the door simultaneously and cover button; cylinder 6 on safety pin resets; manually spacing voussoir 12 is taken out and moves away from from the room of still between cog, at this moment autoclave quick operating valve kettle cover just can be opened safely.
2. autoclave quick operating valve kettle cover 1 is opened in rotary course, and on autoclave quick operating valve kettle cover, original special vapour position of letting out again can be complete the remaining vapour discharge remained in seal ring; This three-level protective has guaranteed that, when still front tooth and tooth are thrown off fully, at this moment the residual voltage in still, well below 0.01MPa, is guaranteed still gate switch safety.
The structural design of the spacing voussoir safety interlock of modified model is according to by the original general safety interlock device of quick actuating closure apparatus structure shortcoming of autoclave, in conjunction with actual working condition requirement, retaining former safety interlock, is base
Plinth, do not change in former electric control loop situation and further improve its Safety performance.
Spacing voussoir volume carries the room of full still between cog, while having enough mechanical strengths to prevent the operation with pressure of autoclave quick operating valve kettle cover, rotates.Safety pin is wrapped up in the teflon overcoat by the stainless steel bar overcoat and is formed, and when operation, safety pin plays firm spacing voussoir and electrode movable contact.
Claims (5)
1. an autoclave quick operating valve kettle cover limits rotating mechanism, comprise autoclave quick operating valve kettle cover, the kettle cover flange, limiting stopper, circle lacks the dish dead-man's handle, location switch, cylinder, safety pin, the safety pin rail chair, spacing voussoir, autoclave quick operating valve kettle cover is arranged on the kettle cover flange, along the circumferential direction process uniform tooth at kettle cover flange and kettle end flange, on the kettle cover flange, limiting stopper is set, circle is set on autoclave quick operating valve kettle cover and lacks the dish dead-man's handle, be set to bit switch on the kettle cover flange, it is characterized in that cylinder is connected with an end of safety pin, the other end of safety pin coordinates with spacing voussoir, spacing voussoir is placed on the room of still between cog.
2. autoclave quick operating valve kettle cover according to claim 1 restriction rotating mechanism, is characterized in that safety pin wraps up in the teflon overcoat by the stainless steel bar overcoat and form, and safety pin is arranged on the safety pin rail chair.
3. autoclave quick operating valve kettle cover restriction rotating mechanism according to claim 1, is characterized in that, on spacing voussoir, groove is set the groove fit on the stainless steel bar of safety pin and spacing voussoir.
4. autoclave quick operating valve kettle cover restriction rotating mechanism according to claim 1, is characterized in that, on spacing voussoir, handgrip is set.
5. autoclave quick operating valve kettle cover restriction rotating mechanism according to claim 1, is characterized in that arranging the safety pin resilient contact in the groove of spacing voussoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200660750U CN203162138U (en) | 2013-02-05 | 2013-02-05 | Still kettle quick open door kettle cover rotation limiting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200660750U CN203162138U (en) | 2013-02-05 | 2013-02-05 | Still kettle quick open door kettle cover rotation limiting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162138U true CN203162138U (en) | 2013-08-28 |
Family
ID=49023323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200660750U Expired - Fee Related CN203162138U (en) | 2013-02-05 | 2013-02-05 | Still kettle quick open door kettle cover rotation limiting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089009A (en) * | 2014-07-07 | 2014-10-08 | 广州番禺高勋染整设备制造有限公司 | Door opening safety device for pressure container |
| CN104941550A (en) * | 2015-06-18 | 2015-09-30 | 安徽建鑫新型墙材科技有限公司 | Safety kettle door of reaction kettle |
-
2013
- 2013-02-05 CN CN2013200660750U patent/CN203162138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089009A (en) * | 2014-07-07 | 2014-10-08 | 广州番禺高勋染整设备制造有限公司 | Door opening safety device for pressure container |
| CN104089009B (en) * | 2014-07-07 | 2016-09-07 | 广州番禺高勋染整设备制造有限公司 | A kind of enabling safeties for pressure vessel |
| CN104941550A (en) * | 2015-06-18 | 2015-09-30 | 安徽建鑫新型墙材科技有限公司 | Safety kettle door of reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Jianwen Inventor after: Wu Congrong Inventor after: Xiang Xiaoyong Inventor after: Liu Yujun Inventor after: Wang Riyong Inventor after: Chen Kuntang Inventor after: Li Xinhua Inventor after: Liu Wei Inventor before: Wu Jianwen Inventor before: Wu Congrong Inventor before: Xiang Xiaoyong Inventor before: Liu Yujun Inventor before: Wang Riyong Inventor before: Chen Kuntang Inventor before: Li Xinhua Inventor before: Liu Wei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU JIANWEN WU CONGRONG XIANG XIAOYONG LIU YUJUN WANG RIYONG CHEN KUNTANG LI XINHUA LIU WEI TO: YE JIANWEN WU CONGRONG XIANG XIAOYONG LIU YUJUN WANG RIYONG CHEN KUNTANG LI XINHUA LIU WEI |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140205 |