CN103671910A - Safety interlock device of kettle door of still kettle - Google Patents
Safety interlock device of kettle door of still kettle Download PDFInfo
- Publication number
- CN103671910A CN103671910A CN201310411085.8A CN201310411085A CN103671910A CN 103671910 A CN103671910 A CN 103671910A CN 201310411085 A CN201310411085 A CN 201310411085A CN 103671910 A CN103671910 A CN 103671910A
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- padlock
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- handle
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Abstract
The invention relates to a safety interlock device of a kettle door of a still kettle. The safety interlock device comprises a rotatable safety handle half-moon-shaped plate, a kettle ring and a toothed plate which rotates along with the kettle door. The kettle ring is provided with a fixed plate placed below a safety handle, the fixed plate is movably connected with a padlock, and the padlock is hinged to the fixed plate. The toothed plate is placed below the padlock, a padlock stopping block is arranged at one end, extending to the upper portion of the kettle ring, of the toothed plate, and the padlock stopping block is buckled with the padlock in the rotating process along with the kettle door. The safety interlock device of the kettle door of the still kettle can effectively and obviously improve the safety performance of the kettle door of the still kettle.
Description
Technical field
The present invention relates to a kind of autoclave still door safety interlock.
Background technique
Autoclave is to add the visual plant that vapour brick is produced, effect be with the saturated steam of certain pressure by autoclave kettle double-entry pipe equably in access arrangement, the brick embryo in still absorbs heat through steam press maintenance, converts high-intensity flyash brick to.The structure of autoclave: kettle device, still door device, hand retarder, safety interlock, bearing, pipeline meter etc.The tooth-type clip connected quick opening structure that existing autoclave adopts, this structure kettle flange, still door flange and clip are connected with a joggle by tooth and tooth.Working procedure is to open a side still door device, many fully loaded steam-cured dollies that add vapour brick are entered in autoclave by track successively, closing still door opens steam inlet valve and passes into steam, in autoclave, boost to working pressure, pressurize certain hour carries out steam press maintenance, then the vapour brick finished product that adds of the cooling generation of step-down is released from opposite side with dolly.Add vapour brick from entering autoclave to about needs 12 hours of the overall process that completes steam press maintenance and go out still, every day, need were steam-cured 2 times.
The working principle of protective gear in existing safety interlocking: utilize position limit switch on dead-man's handle to control pneumatic valve or mortor operated valve and supply gas or close gas; and whether the electrical signal that now position limit switch is sent and still door close the not direct correlation that puts in place; whether still door closes to put in place main judges feeling by operator, that is to say that situation lower stroke switch that still door not have pass to put in place also can send to the electrical signal of supplying gas in still.This is to cause still door to slide to take off the main cause that tooth is blown.
In addition, existing safety interlock is to utilize the electromagnet on hand gearshift case to reach locking, prevent the object that kettle cover slides.Due to the electromagnet use (approximately working every day 22 hours) of switching on for a long time, add poor working environment, be easy to make electromagnet to lose efficacy.Due to electromagnet product or design upper, even if electromagnet has been in locking state in actual use, but hand gearshift case still can shake, and this means the not locking of still door, also exists accident potential.Whether electromagnet, in when work, completes lock out action without any demonstration in addition, also by operator, judges feeling.
Summary of the invention
For above-mentioned technical problem, main purpose of the present invention is for providing a kind of autoclave still door safety interlock, and the present invention can effectively improve the Security of autoclave still door.
Autoclave still door safety interlock comprises rotating dead-man's handle meniscus, still circle and the tooth plate rotating with still door, described still circle is provided with the fixed plate that is positioned at dead-man's handle below, on this fixed plate, be flexibly connected a padlock, padlock is hinged on fixed plate, described tooth plate is positioned at the below of padlock, one end that tooth plate extends to still circle top is provided with padlock block, and this padlock block forms and fastens with padlock in still door rotation process.
Adopted such scheme, when closing still door, hand gearshift case makes tooth plate along with still door rotates, on tooth plate in rotation process, drive padlock block to move to padlock direction, along with progressively moving up of padlock block, padlock contacts with padlock block, and padlock block lifts padlock, when still door is closed while putting in place completely, padlock block is crossed the snap close position of padlock, and padlock rotates and fasten padlock block under Gravitative Loads, has so just limited still door and has rotated.Still door has been formed to the insurance of first snap close.
Further, also comprise dead-man's handle and dead-man's handle meniscus, dead-man's handle meniscus is provided with trip lever and check lock lever, and trip lever and check lock lever are distributed in the both sides of dead-man's handle, and one end that padlock extends to still circle top is provided with the slot inserting for check lock lever.When still door is closed while putting in place completely, padlock block is crossed the snap close position of padlock, padlock rotates and fastens padlock block under Gravitative Loads, forward dead-man's handle to horizontal position, the check lock lever being now arranged on dead-man's handle meniscus will insert in the slot at padlock rear portion, and restriction padlock can not lift release.In the time of need to opening still door, when still internal air pressure, be down to when can open the door safely, rotate backward dead-man's handle to vertical position, check lock lever automatic trip is from the slot at padlock rear portion, for release creates conditions.The trip lever being simultaneously arranged on dead-man's handle meniscus will be oppressed padlock superior posterior, padlock be lifted and depart from padlock block, and in released state, now still door just can be rotated and be opened still door by hand gearshift case.
Further, described padlock comprises padlock body, double wedge, and described double wedge is connected with one end that padlock extends to still circle below, and double wedge is to the circumferential extension of still circle, and the end face of one end that this double wedge extends to still circle below is inclined-plane.By double wedge being set on padlock body, and the end face of one end that double wedge extends to still circle below is inclined-plane, when tooth plate is driving in padlock block uphill process, padlock block can contact with the inclined-plane of double wedge, like this, padlock baffle plate makes padlock rotate step by step and lift the one end with double wedge, and padlock block enters into padlock and by double wedge padlock baffle plate, undertaken spacingly, thereby form, fastens.
Further, between padlock and double wedge, form a receiving groove.The space providing for padlock block by receiving groove, padlock block is arranged in receiving groove, in case clamping lock and padlock block are threaded off.
Further, described padlock block is provided with a cammed surface.By cammed surface, when being convenient to padlock block and double wedge on padlock contacting, padlock block promotes padlock and rotates and lift around articulating point.
Further, described still circle is provided with supporting plate, and this supporting plate is positioned at a side of fixed plate, is provided with position limit switch on supporting plate, and the end face of one end that described tooth plate extends to still circle top is provided with heat-insulating block.When tooth plate rotates by hand gearshift case, tooth plate drives heat-insulating block to rise, and when still door, closes completely while putting in place, and heat-insulating block triggers position limit switch and sends signal, and pneumatic ball valve or electric ball valve on live steam piping are opened, and now possesses the vapour of sending condition.In like manner, in the process of opening the door, tooth plate rotates by hand gearshift case, and tooth plate drives heat-insulating block to depart from position limit switch, the signal that position limit switch directly cuts out to pneumatic ball valve or electric ball valve.This structure has avoided the dead-man's handle rotation angle of depending merely on of available technology adopting directly to pneumatic ball valve or electric ball valve, to signal, rather than with still door, whether closes the significant deficiency that puts transmitted signal in place.For autoclave safe opening increased again with closure together with security insurance.
Further, described still circle is provided with block on the tooth plate that is positioned at tooth plate top.The height and position that can make tooth plate increase by upper block limits, to prevent that tooth plate from excessively rising the fastening of position limit switch and padlock and padlock block is exerted an influence.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to rotation diagram;
Fig. 3 is the schematic diagram of padlock;
Fig. 4 is the schematic diagram of trip lever;
Fig. 5 is the schematic diagram of check lock lever;
In accompanying drawing, 1 is still circle, and 2 is tooth plate, and 3 is block on tooth plate, 4 is fixed plate, and 5 is padlock, and 51 is lock body, and 52 is double wedge, 53 is end face, and 54 is receiving groove, and 55 is slot, and 6 is padlock block, 7 is dead-man's handle, and 8 is dead-man's handle meniscus, and 9 is trip lever, and 91 is joint, 92 for separating lock section, and 10 is check lock lever, and 101 is connecting rod, and 102 is latch, 11 is supporting plate, and 12 is position limit switch, and 13 is heat insulation head, and 14 is hand gearshift case.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, autoclave still door safety interlock of the present invention, comprises still circle 1 and the tooth plate 2 rotating with still door, and described still circle 1 is provided with block 3 on the tooth plate that is positioned at tooth plate 2 tops.Described still circle 1 is provided with the fixed plate 4 that is positioned at dead-man's handle below, is flexibly connected a padlock 5 on this fixed plate 4, and padlock is hinged on fixed plate, and padlock is hinged on fixed plate 4 by axle, and the end of axle is connected with packing ring and nut.Described padlock 5 comprises padlock body 51, double wedge 52, and described double wedge 52 is connected with one end that padlock extends to still circle 1 below, and double wedge 52 is to the circumferential extension of still circle 1, and the end face 53 of one end that this double wedge extends to still circle below is inclined-plane.Between padlock 5 and double wedge 52, form a receiving groove 54.Described tooth plate 2 is positioned at the below of padlock 5, and one end that tooth plate 2 extends to still circle 1 top is provided with padlock block 6, and this padlock block 6 forms and fastens with padlock 5 in still door rotation process.Described padlock block is provided with a cammed surface, and the shape of padlock block and receiving groove 54 match.The working procedure of this part is: when closing still door, hand gearshift case makes tooth plate along with still door rotates, after padlock block 6 promotes the double wedge of padlock and padlock integral body is upwards lifted, padlock block 6 stepped after double wedge, padlock, under the effect of self gravitation, is got back to initial position around axle, like this by double wedge by padlock stop limits in receiving groove 54, under the effect that there is no external force, padlock block cannot exit from receiving groove 54.
Referring to figs. 1 through Fig. 4, on the basis of above structure, the present invention also further increases the Security of device by following structure is set, the part increasing comprises dead-man's handle 7, dead-man's handle meniscus 8, dead-man's handle meniscus 8 is provided with trip lever 9 and check lock lever 10, trip lever 9 and check lock lever 10 are distributed in the both sides of dead-man's handle 7, are welded on dead-man's handle meniscus.One end of extending to still circle 1 top of padlock 5 is provided with the slot 55 inserting for check lock lever.Described trip lever 9 comprises joint 91, one end of joint 91 is connected with dead-man's handle meniscus, the other end of joint 91 is separated lock section 92 to meniscal radially the extension by being bent to form one of dead-man's handle, this solution lock section applies a pressure for padlock body 51 when release, padlock body 51 is lifted, remove the locking of double wedge 52 padlock baffle plates, so that padlock baffle plate is exited from the receiving groove 54 of padlock along with still door rotates.Described check lock lever 10 comprises connecting rod 101, and one end of connecting rod 101 is connected with dead-man's handle meniscus 8, and the other end of connecting rod 101 radially extends by being bent to form a latch 102 to dead-man's handle is meniscal.
The working procedure of this part is: when padlock block 6 is limited in receiving groove 54, by rotating dead-man's handle 7, dead-man's handle meniscus 8 is rotated, dead-man's handle meniscus 8 drives check lock lever 10 to rotate, thereby the latch 102 that is fixed on the check lock lever on dead-man's handle meniscus will insert in the slot at padlock rear portion, and restriction padlock can not lift release.When needs are opened still door, if still internal air pressure is down to when can open the door safely, rotate backward dead-man's handle 7, make check lock lever 10 automatic trips from the slot at padlock rear portion, for release creates conditions, the solution lock section 92 padlock bodies 51 that are simultaneously arranged on the trip lever on dead-man's handle meniscus apply a pressure, padlock body 51 is lifted, make the bottom of padlock lift disengaging padlock block, remove the locking of double wedge 52 padlock baffle plates, now still door just can be rotated and be opened still door by hand gearshift case.
On the basis of above structure, the present invention also further increases the Security of device by following structure is set, the part increasing comprises that described still circle 1 is provided with supporting plate 11, this supporting plate 11 is positioned at a side of fixed plate 4, on supporting plate 11, be provided with position limit switch 12, the end face of one end that described tooth plate extends to still circle top is provided with heat-insulating block 13.The setting of heat-insulating block 13, the working life that is conducive to improve position limit switch.At fixed plate 4 and padlock 5, on the position latching in safety, coaxial bolt hole is set, a bolt is installed, to manually tighten fixedly padlock at the state of latching, or in coaxial bolt hole, manually install padlock additional, and to reach inoperative personnel, must not untie the object of padlock, thereby reach, cannot under abnormal condition, open the object of still door.
The working procedure of this part is: when tooth plate 2 rotates by hand gearshift case 14, tooth plate 2 drives heat-insulating block 13 to rise, heat-insulating block 13 triggers position limit switch 12 and makes it to send signal, thereby control together into the control valve on blow-off line with the position limit switch on original dead-man's handle, pneumatic ball valve or electric ball valve on main confession blow-off line are opened, now possesses the condition of supplying gas, to reach safety control object.Open the door in process, heat-insulating block departs from position limit switch, the signal that position limit switch directly cuts out to pneumatic ball valve or electric ball valve.
Claims (9)
1. autoclave still door safety interlock, comprise rotating dead-man's handle meniscus, still circle and the tooth plate rotating with still door, it is characterized in that, described still circle is provided with the fixed plate that is positioned at dead-man's handle below, on this fixed plate, be flexibly connected a padlock, padlock is hinged on fixed plate, and described tooth plate is positioned at the below of padlock, one end that tooth plate extends to still circle top is provided with padlock block, and this padlock block forms and fastens with padlock in still door rotation process.
2. the autoclave still door safety interlock of padlock according to claim 1, it is characterized in that: also comprise dead-man's handle, dead-man's handle meniscus, dead-man's handle meniscus is provided with trip lever and check lock lever, trip lever and check lock lever are distributed in the both sides of dead-man's handle, and one end of extending to still circle top of padlock is provided with the slot inserting for check lock lever.
3. the autoclave still door safety interlock of padlock according to claim 1 and 2, it is characterized in that: described padlock comprises padlock body, double wedge, described double wedge is connected with one end that padlock extends to still circle below, double wedge is to the circumferential extension of still circle, and the end face of one end that this double wedge extends to still circle below is inclined-plane.
4. the autoclave still door safety interlock of padlock according to claim 3, is characterized in that: between padlock and double wedge, form a receiving groove.
5. the autoclave still door safety interlock of padlock according to claim 1, is characterized in that: described padlock block is provided with a cammed surface.
6. the autoclave still door safety interlock of padlock according to claim 2, it is characterized in that: described trip lever comprises joint, one end of joint is connected with dead-man's handle meniscus, and the other end of joint is separated lock section to meniscal radially the extension by being bent to form one of dead-man's handle.
7. the autoclave still door safety interlock of padlock according to claim 2, it is characterized in that: described check lock lever comprises connecting rod, one end of connecting rod is connected with dead-man's handle meniscus, and the other end of connecting rod radially extends by being bent to form a latch to dead-man's handle is meniscal.
8. the autoclave still door safety interlock of padlock according to claim 1 and 2, it is characterized in that: described still circle is provided with supporting plate, this supporting plate is positioned at a side of fixed plate, is provided with position limit switch on supporting plate, and the end face of one end that described tooth plate extends to still circle top is provided with heat-insulating block.
9. the autoclave still door safety interlock of padlock according to claim 1 and 2, is characterized in that: described still circle is provided with block on the tooth plate that is positioned at tooth plate top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411085.8A CN103671910B (en) | 2013-09-10 | 2013-09-10 | Autoclave still door safety interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310411085.8A CN103671910B (en) | 2013-09-10 | 2013-09-10 | Autoclave still door safety interlock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671910A true CN103671910A (en) | 2014-03-26 |
| CN103671910B CN103671910B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310411085.8A Expired - Fee Related CN103671910B (en) | 2013-09-10 | 2013-09-10 | Autoclave still door safety interlock |
Country Status (1)
| Country | Link |
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| CN (1) | CN103671910B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083882A (en) * | 2014-06-12 | 2014-10-08 | 灌阳县陈工选矿机械制造有限公司 | Evaporation kettle |
| 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 |
| CN106000228A (en) * | 2016-06-07 | 2016-10-12 | 淮南市鸿裕工业产品设计有限公司 | Double-folded protection device for autoclave kettle |
| CN106970584A (en) * | 2017-02-28 | 2017-07-21 | 徐州工程学院 | A kind of still kettle safety detection device and method |
| CN107713734A (en) * | 2017-11-28 | 2018-02-23 | 湖南长宏南雁锅炉修理安装有限公司 | Still kettle enabling safety interlocks |
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| FR874691A (en) * | 1941-08-12 | 1942-08-18 | Safety device for containers with rotating lids and quick-closing stop device | |
| GB649498A (en) * | 1948-05-29 | 1951-01-24 | Baker Perkins Ltd | Improvements in pressure vessels and closures therefor |
| FR1296327A (en) * | 1961-07-28 | 1962-06-15 | Karrer Carl | Locking device for pressure vessel cover |
| CN201757174U (en) * | 2010-05-27 | 2011-03-09 | 沈阳永业实业有限公司 | Locking ring type quick opening blind plate |
| CN102179210A (en) * | 2011-03-26 | 2011-09-14 | 朔州诚信锅炉制造有限公司 | Safety interlocking device for still kettle |
| CN203516714U (en) * | 2013-09-10 | 2014-04-02 | 周刚 | Safety interlock device for still kettle door |
-
2013
- 2013-09-10 CN CN201310411085.8A patent/CN103671910B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR874691A (en) * | 1941-08-12 | 1942-08-18 | Safety device for containers with rotating lids and quick-closing stop device | |
| GB649498A (en) * | 1948-05-29 | 1951-01-24 | Baker Perkins Ltd | Improvements in pressure vessels and closures therefor |
| FR1296327A (en) * | 1961-07-28 | 1962-06-15 | Karrer Carl | Locking device for pressure vessel cover |
| CN201757174U (en) * | 2010-05-27 | 2011-03-09 | 沈阳永业实业有限公司 | Locking ring type quick opening blind plate |
| CN102179210A (en) * | 2011-03-26 | 2011-09-14 | 朔州诚信锅炉制造有限公司 | Safety interlocking device for still kettle |
| CN203516714U (en) * | 2013-09-10 | 2014-04-02 | 周刚 | Safety interlock device for still kettle door |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083882A (en) * | 2014-06-12 | 2014-10-08 | 灌阳县陈工选矿机械制造有限公司 | Evaporation kettle |
| 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 |
| CN106000228A (en) * | 2016-06-07 | 2016-10-12 | 淮南市鸿裕工业产品设计有限公司 | Double-folded protection device for autoclave kettle |
| CN106970584A (en) * | 2017-02-28 | 2017-07-21 | 徐州工程学院 | A kind of still kettle safety detection device and method |
| CN106970584B (en) * | 2017-02-28 | 2019-06-18 | 徐州工程学院 | A kind of still kettle safety detection device and method |
| CN107713734A (en) * | 2017-11-28 | 2018-02-23 | 湖南长宏南雁锅炉修理安装有限公司 | Still kettle enabling safety interlocks |
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| Publication number | Publication date |
|---|---|
| CN103671910B (en) | 2015-12-09 |
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