CN203560426U - Safety linkage locking device of quick-opening door of pressure container - Google Patents
Safety linkage locking device of quick-opening door of pressure container Download PDFInfo
- Publication number
- CN203560426U CN203560426U CN201320737053.2U CN201320737053U CN203560426U CN 203560426 U CN203560426 U CN 203560426U CN 201320737053 U CN201320737053 U CN 201320737053U CN 203560426 U CN203560426 U CN 203560426U
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- Prior art keywords
- locking
- hook
- bearing pin
- opening door
- slotted hole
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000003993 interaction Effects 0.000 claims description 11
- 210000003127 knee Anatomy 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004513 sizing Methods 0.000 abstract 3
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model provides a safety linkage locking device of a quick-opening door of a pressure container. The safety linkage locking device of the quick-opening door of the pressure container comprises a locking hook, an oblique iron block, an oblique sizing block, a first hinge pin, a second hinge pin, a pull rod, a sliding ring, a third hinge pin, a fixed lifting lug and an air cylinder or an oil cylinder, wherein the sliding ring is driven by the air cylinder or the oil cylinder, the locking hook comprises a hook head end, a hook tail end and a bent rod which is connected with the hook head end and the hook tail end, the oblique iron block is fixedly arranged at the hook head end, the oblique sizing block is installed on a flange of the pressure container, the oblique sizing block and the oblique iron block are matched with the locking hook to form a hook mechanism, the hook tail end is connected with the sliding ring through the second hinge pin, the bent 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 fixed lifting lug through the third hinge pin. The safety linkage locking device of the quick-opening door of the pressure container has the advantages that requirements for machining precision and manufacturing precision of parts when the parts are machined, or manufactured, or adjusted or used are lowered, operation is convenient, and stability and reliability of the linkage locking performance are achieved.
Description
Technical field
The utility model belongs to pressurized container field, is 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.
Model utility content
The purpose of this utility model is to overcome and compresses the defect that hook quick operating valve exists, and the better pressure vessel of quick opening door safety interaction of a kind of safety and reliability locking device is provided.
The utility model is achieved by the following technical solution:
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 utlity model 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.
Further setting of the present utility model 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.
Further setting of the present utility model 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.
Further setting of the present utility model 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 utility model is 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 second embodiment's of the utility model structural drawing;
Fig. 6 is the 3rd embodiment's of the utility model structural drawing.
Embodiment
As Figure 1-4, the utility model provides a kind of pressure vessel of quick opening door safety interaction locking device, comprises 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 utility model 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 utility model 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 utility model, avoids causing because cylinder is asynchronous sliding ring 8 twistings to produce gib head asynchronous.
The utility model is not only confined to above-mentioned embodiment; persons skilled in the art are according to the disclosed content of the utility model; can adopt other multiple embodiment to implement the utility model; therefore; every employing project organization of the present utility model and thinking; do some simple designs that change or change, all fall into the scope of the utility model protection.
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 (72) is for lock adjustment screw rod (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737053.2U CN203560426U (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device of quick-opening door of pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737053.2U CN203560426U (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device of quick-opening door of pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560426U true CN203560426U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737053.2U Expired - Lifetime CN203560426U (en) | 2013-11-20 | 2013-11-20 | Safety linkage locking device of quick-opening door of pressure container |
Country Status (1)
| Country | Link |
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| CN (1) | CN203560426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742644A (en) * | 2013-11-20 | 2014-04-23 | 浙江东瓯过滤机制造有限公司 | Safety linkage locking device for quick valve of pressure vessel |
| CN104763808A (en) * | 2015-04-03 | 2015-07-08 | 浙江东瓯过滤机制造有限公司 | Low-resistance high-efficiency locking method and device for quick opening valve of pressure container |
| CN110439441A (en) * | 2019-08-14 | 2019-11-12 | 山东博科消毒设备有限公司 | Hermatic door automatic locking mechanism and pressure steam sterilizer for sterilizer |
-
2013
- 2013-11-20 CN CN201320737053.2U patent/CN203560426U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742644A (en) * | 2013-11-20 | 2014-04-23 | 浙江东瓯过滤机制造有限公司 | Safety linkage locking device for quick valve of pressure vessel |
| CN104763808A (en) * | 2015-04-03 | 2015-07-08 | 浙江东瓯过滤机制造有限公司 | Low-resistance high-efficiency locking method and device for quick opening valve of pressure container |
| CN110439441A (en) * | 2019-08-14 | 2019-11-12 | 山东博科消毒设备有限公司 | Hermatic door automatic locking mechanism and pressure steam sterilizer for sterilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |