CN103742644A - Safety linkage locking device for quick valve of pressure vessel - Google Patents
Safety linkage locking device for quick valve of pressure vessel Download PDFInfo
- Publication number
- CN103742644A CN103742644A CN201310587084.9A CN201310587084A CN103742644A CN 103742644 A CN103742644 A CN 103742644A CN 201310587084 A CN201310587084 A CN 201310587084A CN 103742644 A CN103742644 A CN 103742644A
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- locking
- hook
- bearing pin
- slotted hole
- pressure vessel
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Abstract
The invention provides a safety linkage locking device for a quick valve of a pressure vessel. The safety linkage locking device comprises a locking hook, inclined iron, inclined face pad iron, a first hinge pin, a second hinge pin, a pull rod, a sliding ring, a third hinge pin, a fixing lifting lug and an air cylinder or oil cylinder. The sliding ring is driven by the air cylinder or the oil cylinder. The locking hook comprises the hook head end, the hook tail end and a bending rod connecting the hook head end and the hook tail end. The inclined iron is fixedly arranged at the hook head end. The inclined face pad iron is installed on a flange of the pressure vessel. The inclined face pad iron is matched with the inclined iron and the locking hook to form a hook mechanism. The hook tail end is connected with the sliding ring through the second hinge pin. The bending rod is connected with one end of the pull rod through the first hinge pin, and the other end of the pull rod is connected with the fixing lifting lug through the third hinge pin. The safety linkage locking device lowers the requirement for the processing and manufacturing precision of parts in the processing, manufacturing, debugging and using processes and is convenient to operate, and the linkage locking performance is stable and reliable.
Description
Technical field
The invention belongs to pressurized container field, be specifically related to a kind of pressure vessel of quick opening door safety interaction locking device.
Background technique
Pressurized container in process of production, must often to material wherein, process, for these materials, can freely put into or take out, on pressurized container, be provided with hole and door closure, in production work process, need often door closure to be installed and removed, operate very inconvenient and labor intensity is large.
Along with scientific and technical development, in order to boost productivity, reduce labor intensity, the use of quick operating valve is more and more general.Door closure opening and closing device on pressurized container also constantly improves, and has occurred various quick operating valves, replaces the mode of bolt tightening for the flange of door closure.
At present, the structure that has occurred several quick operating valves on domestic and international pressurized container: cap-rotating type quick operating valve, semicircle compaction hoop quick operating valve, side set shape quick operating valve, cylinder-mono-compression hook quick operating valve, the tight hook quick operating valve of cylinder-multiple pressure etc.Its principle is similar, and they are all to lean on little lift angle inclined-plane (voussoir) compression friction self-locking.Due to they structural features separately, its use field and application area are also different.
Cap-rotating type quick operating valve is a kind of quick operating valve compressing in the middle of door closure, and this quick operating valve is only applicable to the container that aperture of door is less.Semicircle compaction hoop quick operating valve is in utilizing, to have two hemisphere compaction hoops on inclined-plane up and down by a kind of quick operating valve of upper and lower flange screw.This quick operating valve is difficult for opening voluntarily, more reliable than single hook, but size is difficult to do greatly, and when aperture of door is over 1 meter, semicircle compaction hoop is difficult to make lower flange to reach reliable sealing.Side set shape quick operating valve be utilize rotating clamp lock ring or by quick operating valve self rotation by drift by flange screw, because sealing reliability is all high than other various quick operating valves, so in production of pressure container, apply more generally.But the matching requirements quality of fit of side set shape quick operating valve is high, machining requires high.Aperture of door maximum diameter can only be accomplished 1.2 meters at present, and larger diameter is just quite difficult.On the other hand due to all seal faces of this device from aperture of door edge very close to, in production process, run into the Sealing that corrosive materials is easy to corrode side set, this critical component was lost efficacy very soon, therefore hindered this structure universal.
Cylinder-many (list) compress hook quick operating valve be utilize the drift that compresses above hook with the inclined-plane iron on flange because the effect generation mechanical self-latching principle of friction angle is locked quick operating valve, but due to the error of manufacturing, installing, under pressure-acting in container, if use misoperation, because indivedual hooks that compress do not enter position or are corroded because of inclined-plane, make to compress hook automatically-unhooked phenomenon can occur, have potential safety hazard.
Summary of the invention
The object of the invention is to overcome the defect that compresses the existence of hook quick operating valve, the better pressure vessel of quick opening door safety interaction of a kind of safety and reliability locking device is provided.
The present invention is achieved through the following technical solutions:
A pressure vessel of quick opening door safety interaction locking device, comprises locking bail, wedge, inclined-plane parallels, the first bearing pin, the second bearing pin, pull bar, sliding ring, the 3rd bearing pin, fixedly hanger and cylinder or oil cylinder;
Fixedly hanger is fixedly mounted on the outer wall of pressurized container; Sliding ring is done upper and lower straight line motion by cylinder or hydraulic oil cylinder driving;
Described locking bail comprises the knee of gib head end, hook tail end and butt hook head end and hook tail end; Described wedge is fixedly installed on the gib head end of locking bail; Inclined-plane parallels is arranged on the flange of pressurized container, inclined-plane parallels and wedge and locking bail mix proportion one hook mechanism; The hook tail end of locking bail is connected with sliding ring by the second bearing pin, and the knee of locking bail is connected with one end of pull bar by the first bearing pin, and the other end of pull bar is connected with fixing hanger by the 3rd bearing pin.
On pressurized container, to use " quick operating valve " to be not only in order boosting productivity, to reduce labor intensity.Design and the application of main is quick operating valve safe locking device are the key points in order to guarantee safe production.The present invention utilizes the part component of compression hook quick opening structure of the prior art to carry out principle change, form new mechanism, change its original structure by friction self-locking, and employing is caught on, tension mode is realized quick-flange sealing locking, during work, each locking bail links and hooks under sliding ring effect, adopts machinery to control and realizes linkage locking function.
The present invention has following beneficial effect:
1, the structural feature that has kept original pressurized container;
2, guaranteed that pressurized container is to being used the requirement of quick operating valve Security and sealing;
Requirement to the machining accuracy of component, making precision while 3, having reduced processing, manufacture, debugging, use.
4, not only easy to operate, and realized linkage locking stable performance, reliable, safety.
The further setting of the present invention is, described pressure vessel of quick opening door safety interaction locking device also comprises slotted hole hanger, is provided with a slotted hole or a chute on described slotted hole hanger; Described slotted hole hanger is fixedly mounted on the outer wall of pressurized container, and described the second bearing pin inserts in the slotted hole or chute of slotted hole hanger, and can slide up and down along described slotted hole or chute.
So arrange, can provide guiding for the motion of locking bail.
The further setting of the present invention is, described wedge and inclined-plane parallels are provided with the inclination angle of inclined plane of 1 ° ~ 60 °.
So arrange, in use, two inclined-planes of wedge and inclined-plane parallels can acting in conjunction supported flange face, makes to lock more reliable.
The further setting of the present invention is, described pull bar comprises two hinged blocks, two locking nuts and an adjusting screw rod, and two locking nuts and two hinged blocks are set in respectively the two ends of adjusting screw rod; Described adjusting screw rod is for adjusting two distances between hinged block, and described locking nut is for lock adjustment screw rod.
After door closure is closed and put in place, after all gib heads locking, because the factors such as manufactures, installation produce error effect, during each locking bail locking, the pretightening force of generation is not quite similar.So arrange, can regulate by the length of regulating tie bar the pretightening force of door closure flange seal.
Below in conjunction with accompanying drawing, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the locking state figure of fast-open;
Fig. 2 is release and the unhook phase diagram of fast-open;
Fig. 3 is the long splice composition of locking bail and wedge;
Fig. 4 is the structural drawing of pull bar;
Fig. 5 is the structural drawing of second embodiment of the invention;
Fig. 6 is the structural drawing of third embodiment of the invention.
Embodiment
As Figure 1-4, the invention provides a kind of pressure vessel of quick opening door safety interaction locking device, comprise locking bail 1, wedge 2, inclined-plane parallels 3, the first bearing pin 4, slotted hole hanger 5, the second bearing pin 6, pull bar 7, sliding ring 8(circle or polygonal etc.), the 3rd bearing pin 9, fixedly hanger 10 and cylinder 11;
Slotted hole hanger 5 and fixedly hanger 10 are all fixedly mounted on the outer wall of pressurized container; On described slotted hole hanger 5, be provided with a slotted hole; Sliding ring 8 is driven and is done upper and lower straight line motion by cylinder 11;
Described locking bail 1 comprises the knee of gib head end, hook tail end and butt hook head end and hook tail end; Described wedge 2 is fixedly installed on the gib head end of locking bail 1 by lock screw 12; Inclined-plane parallels 3 is arranged on the flange of pressurized container, inclined-plane parallels 3 and wedge 2 and locking bail 1 mix proportion one hook mechanism; Described wedge 2 is provided with the inclination angle of inclined plane of 10 ° ~ 12 ° with inclined-plane parallels 3.
The hook tail end of locking bail 1 is connected with sliding ring 8 by the second bearing pin 6, and described the second bearing pin 6 inserts in the slotted hole of slotted hole hanger 5, and can slide up and down along slotted hole; The knee of locking bail 1 is connected with one end of pull bar 7 by the first bearing pin 4, and the other end of pull bar 7 is connected with fixing hanger 10 by the 3rd bearing pin 9.
In said structure, locking bail 1 and the first bearing pin 4, pull bar 7, the 3rd bearing pin 9, hanger 10, the second bearing pin 6 and hanger 5 form a linkage rod slide block mechanism; Cylinder 11 forms driving link mechanism with sliding ring 8, the second bearing pin 6.
In order to realize the pretightening force that regulates door closure flange seal by the length of regulating tie bar 7, the present invention has carried out particular design to pull bar 7.As shown in Figure 4, described pull bar 7 comprises that two hinged blocks 71, two locking nuts 72 and 73, two locking nuts 72 of an adjusting screw rod and two hinged blocks 71 are set in respectively the two ends of adjusting screw rod 73; Described adjusting screw rod 73 is for adjusting two distances between hinged block 71, and described locking nut 2 is for lock adjustment screw rod 73.
Adjusting screw rod 73 revolves for " left and right " for double thread screw direction, hinged block 71 and adjusting screw rod 73 have formed differential screw transmission, length to pull bar 7 regulates, and after the distance of rotating between adjusting screw rod 73 adjustment two hinged blocks 71, then locks by locking nut 72.
The working procedure of above-mentioned fast-open is divided into hangs into steps such as, compression, locking, release and unhook:
(1) hang into, compress
As shown in Figure 1, first pressurized gas enters the cavity of resorption of cylinder 11, its piston moves upward, under the thrust of piston rod, sliding ring 8 pulls the second bearing pin 6, the second bearing pins 6 upward sliding in the slotted hole of slotted hole hanger 5, and the second bearing pin 6 drives locking bail 1 to move up, locking bail 1 rotates around the first bearing pin 4 simultaneously, and the gib head end of locking bail 1 is done upwards to hang into compression and moved.Because all locking bails 1 are all connected by the second bearing pin 6 with sliding ring 8, thus all locking bails 1 hang simultaneously into, compress.Impacting force can regulate by the twin-screw on pull bar 7, because locking bail 1 is uniform on pressurized container, so quick-flange is better sealed.
(2) locking
Container door closure and seal ring, during vessel flange screw, mechanism now: the second bearing pin 6 is above the first bearing pin 4, effect due to pull bar 7, relative the first bearing pin 4 of the second bearing pin 6 produces a trimming moment, simultaneously due to the position of the gib head end of locking bail 1 in the vertical direction with the second bearing pin 6 glide direction position conllinear, at pull bar 7, under the effect of locking bail 1, now mechanism is in state of equilibrium, locking bail 1 is zero around the flywheel moment of the first bearing pin 4, and no matter container inner pressure have much it act on the active force perpendicular to flanged surface direction on wedge 2 and keep conllinear with the second bearing pin 6 all the time, in addition now cylinder 11 also in hold mode, therefore guaranteeing to greatest extent that sliding ring 8 remains static does not return cunning, assurance device locking state.
(3) discharge and break off relations
When the internal pressure of pressurized container discharges completely, safe locking device can be opened quick operating valve after throwing off.As shown in Figure 2: pressurized gas enters cylinder 11 epicoeles, its piston moves downward, promoting sliding ring 8 moves downward, drive the second bearing pin 6 along slotted hole down sliding, now locking bail 1 is under the second bearing pin 6 drives, then first down sliding rotates around the first bearing pin 4, and the gib head end of locking bail 1 discharges (unhook) downwards and then outwards opens (driving hook).So far, device completes overall work step.
The second derived structure of the present invention as shown in Figure 5, is cancelled slotted hole hanger 5, the first bearing pins 4 and is connected with sliding ring 8, and sliding ring 8 slides along cylindrical shell, and locking bail 1 is integral type.
As shown in Figure 6, cylinder direct pull locking bail 1, cancels sliding ring 8 to the third derived structure of the present invention, avoids causing because cylinder is asynchronous sliding ring 8 twistings to produce gib head asynchronous.
The present invention is not only confined to above-mentioned embodiment; persons skilled in the art are according to content disclosed by the invention; can adopt other multiple embodiment to implement the present invention; therefore; every employing project organization of the present invention and thinking; do some simple designs that change or change, all fall into the scope of protection of the invention.
Claims (4)
1. a pressure vessel of quick opening door safety interaction locking device, it is characterized in that, comprise locking bail (1), wedge (2), inclined-plane parallels (3), the first bearing pin (4), the second bearing pin (6), pull bar (7), sliding ring (8), the 3rd bearing pin (9), fixedly hanger (10) and cylinder or oil cylinder (11);
Fixedly hanger (10) is fixedly mounted on the outer wall of pressurized container; Sliding ring (8) is driven and is done upper and lower straight line motion by cylinder or oil cylinder (11);
Described locking bail (1) comprises the knee of gib head end, hook tail end and butt hook head end and hook tail end; Described wedge (2) is fixedly installed on the gib head end of locking bail (1); Inclined-plane parallels (3) is arranged on the flange of pressurized container, inclined-plane parallels (3) and wedge (2) and locking bail (1) mix proportion one hook mechanism; The hook tail end of locking bail (1) is connected with sliding ring (8) by the second bearing pin (6), the knee of locking bail (1) is connected with one end of pull bar (7) by the first bearing pin (4), and the other end of pull bar (7) passes through the 3rd bearing pin (9) and is connected with fixing hanger (10).
2. pressure vessel of quick opening door safety interaction locking device according to claim 1, is characterized in that, described pressure vessel of quick opening door safety interaction locking device also comprises slotted hole hanger (5), is provided with a slotted hole or a chute on described slotted hole hanger (5); Described slotted hole hanger (5) is fixedly mounted on the outer wall of pressurized container, and described the second bearing pin (6) inserts in the slotted hole or chute of slotted hole hanger (5), and can slide up and down along described slotted hole or chute.
3. pressure vessel of quick opening door safety interaction locking device according to claim 1, is characterized in that, described wedge (2) is provided with the inclination angle of inclined plane of 1 ° ~ 60 ° with inclined-plane parallels (3).
4. pressure vessel of quick opening door safety interaction locking device according to claim 1, it is characterized in that, described pull bar (7) comprises two hinged blocks (71), two locking nuts (72) and the two threaded stems (73) of adjusting, and two locking nuts (72) and two hinged blocks (71) are set in respectively the two ends of adjusting screw rod (73); Described adjusting screw rod (73) is for adjusting the distance between two hinged blocks (71), and described locking nut (2) is for lock adjustment screw rod (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587084.9A CN103742644A (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device for quick valve of pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587084.9A CN103742644A (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device for quick valve of pressure vessel |
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| Publication Number | Publication Date |
|---|---|
| CN103742644A true CN103742644A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310587084.9A Pending CN103742644A (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device for quick valve of pressure vessel |
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| CN (1) | CN103742644A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889506A (en) * | 2016-05-16 | 2016-08-24 | 江苏久维压力容器制造有限公司 | Adjustable double-cover pressing type pressure vessel |
| CN108756424A (en) * | 2018-08-15 | 2018-11-06 | 江苏省送变电有限公司 | Adjusting device is opened to transmission line steel-pipe tower main pipe root |
| CN109226717A (en) * | 2017-07-10 | 2019-01-18 | 科华控股股份有限公司 | Suction pouring inhales casting chamber cap sealing and fastens pneumatic locking mechanism |
| CN110878835A (en) * | 2019-11-27 | 2020-03-13 | 大连中歆一品机械有限公司 | Quick door opener of pressure storage tank |
| CN112531552A (en) * | 2020-12-10 | 2021-03-19 | 海南电网有限责任公司儋州供电局 | Cable lifts by crane terminal and presss from both sides tight fixing device |
| CN115325160A (en) * | 2022-08-30 | 2022-11-11 | 江苏省特种设备安全监督检验研究院 | Self-adaptive pressure relief quick-opening pressure container |
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| DE2356299B2 (en) * | 1973-11-10 | 1980-08-28 | Fahrzeugbau Haller Gmbh, 7000 Stuttgart | Containers, in particular for vehicles, with a lockable lid |
| US5290076A (en) * | 1992-03-23 | 1994-03-01 | Abb Vetco Gray Inc. | Quick activating pressure vessel closure |
| WO2008079109A8 (en) * | 2006-12-20 | 2009-07-23 | Gunther E Asterlin | Vessel lock down system |
| CN101956825A (en) * | 2010-10-20 | 2011-01-26 | 温州职业技术学院 | Fast-open door safety-locking device of pressure container |
| CN102102759A (en) * | 2011-03-10 | 2011-06-22 | 温州市东瓯微孔过滤有限公司 | Fast-open door device of pressure container with safety interlocking |
| CN202132497U (en) * | 2011-05-04 | 2012-02-01 | 武汉金船科技有限公司 | Pressure vessel quick-opening door one-button type safety interlocking device |
| CN203560426U (en) * | 2013-11-20 | 2014-04-23 | 浙江东瓯过滤机制造有限公司 | Safety linkage locking device of quick-opening door of pressure container |
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2013
- 2013-11-20 CN CN201310587084.9A patent/CN103742644A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356299B2 (en) * | 1973-11-10 | 1980-08-28 | Fahrzeugbau Haller Gmbh, 7000 Stuttgart | Containers, in particular for vehicles, with a lockable lid |
| US5290076A (en) * | 1992-03-23 | 1994-03-01 | Abb Vetco Gray Inc. | Quick activating pressure vessel closure |
| WO2008079109A8 (en) * | 2006-12-20 | 2009-07-23 | Gunther E Asterlin | Vessel lock down system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889506A (en) * | 2016-05-16 | 2016-08-24 | 江苏久维压力容器制造有限公司 | Adjustable double-cover pressing type pressure vessel |
| CN105889506B (en) * | 2016-05-16 | 2018-01-30 | 江苏久维压力容器制造有限公司 | A kind of adjustable double-canopy body compression type pressure vessel |
| CN109226717A (en) * | 2017-07-10 | 2019-01-18 | 科华控股股份有限公司 | Suction pouring inhales casting chamber cap sealing and fastens pneumatic locking mechanism |
| CN108756424A (en) * | 2018-08-15 | 2018-11-06 | 江苏省送变电有限公司 | Adjusting device is opened to transmission line steel-pipe tower main pipe root |
| CN108756424B (en) * | 2018-08-15 | 2024-04-26 | 江苏省送变电有限公司 | Main pipe root opening adjusting device of power transmission line steel pipe tower |
| CN110878835A (en) * | 2019-11-27 | 2020-03-13 | 大连中歆一品机械有限公司 | Quick door opener of pressure storage tank |
| CN112531552A (en) * | 2020-12-10 | 2021-03-19 | 海南电网有限责任公司儋州供电局 | Cable lifts by crane terminal and presss from both sides tight fixing device |
| CN112531552B (en) * | 2020-12-10 | 2021-12-31 | 海南电网有限责任公司儋州供电局 | Cable lifts by crane terminal and presss from both sides tight fixing device |
| CN115325160A (en) * | 2022-08-30 | 2022-11-11 | 江苏省特种设备安全监督检验研究院 | Self-adaptive pressure relief quick-opening pressure container |
| CN115325160B (en) * | 2022-08-30 | 2024-09-10 | 江苏省特种设备安全监督检验研究院 | Self-adaptive pressure relief quick-opening pressure vessel |
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Application publication date: 20140423 |