CN204326750U - A kind of venting of dust explosion bolt driving mechanism - Google Patents
A kind of venting of dust explosion bolt driving mechanism Download PDFInfo
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- CN204326750U CN204326750U CN201420717558.7U CN201420717558U CN204326750U CN 204326750 U CN204326750 U CN 204326750U CN 201420717558 U CN201420717558 U CN 201420717558U CN 204326750 U CN204326750 U CN 204326750U
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- dust explosion
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Abstract
This application discloses a kind of venting of dust explosion bolt driving mechanism, the alert and resourceful formula venting of dust explosion bolt comprising pressure sensor and be connected by gear with pressure sensor.Gear comprises final gear and driving wheel; One end and the final gear of alert and resourceful formula venting of dust explosion bolt engage each other; Pressure sensor comprises and being embedded in inside doorframe and the inductor junction plate having flexible pressure sensitive plate and be fixedly connected with pressure sensitive plate medial surface center, this inductor junction plate is provided with the first horizontal rack be meshed with driving wheel.The pressure sensitive value of pressure sensitive plate can regulate.The ingenious pressure sensitive plate that utilizes of the application is when sensing pressure anomaly, and the elastic displacement of generation exits the driving force of lockhole as venting of dust explosion bolt, makes venting of dust explosion bolt move back lock standard accurately, rapidly.The pressure sensitive value of pressure sensitive plate can regulate, can according to the requirement of maximum venting of dust explosion superpressure value, the arbitrarily pressure sensitive threshold value of adjustment pressure sensor, thus adjusts venting pressure induction sensitivity.
Description
Technical field
The application relates to a kind of pressure release antiknock servicing unit, belongs to building unit technical field, particularly a kind of venting of dust explosion bolt driving mechanism.
Background technology
At mining, petrochemical industry, the special industries such as war production, need to deposit inflammable at some specific architectural space, explosive dangerous material, these explosive dangerous material are deposited in process once blast, the shock wave produced can produce safely very big infringement to surrounding buildings and human life, in order to avoid accidental explosion does great damage to whole building, current common practice arranges explosion relief door in parking space region, the explosion venting devices such as explosion release window, but traditional explosion relief door, explosion release window reaction speed is slow, belong to disposable breaking plant, pressure leak process is smooth not, effect is not ideal enough.Because explosion venting device needs to bear and resist powerful impact force, be often difficult to make large scale specification, both met the needs that venting of dust explosion requirement also meets personnel and goods turnover simultaneously.
Below by the concrete analysis to several prior art, so that weak point existing in prior art to be described, and technical problems to be solved in this application.
1. explosion relief door (Authorization Notice No. CN 2890288Y)
The utility application designed by inventor's Zhang Wenming, it discloses a kind of explosion relief door, this explosion proof door mainly comprises doorframe and door-plate, wherein, doorframe to be fixed on body of wall and to comprise upper frame body, middle framework and lower frame body, door-plate by after hinge with doorframe, upper frame body connects, form an explosion relief door, when indoor generation gas explosion, venting of dust explosion bolt ruptures instantaneously because of pressure, and then make door-plate be that fulcrum is by the extrapolated unlatching of gas explosion pressure with hinge, and when door-plate is in closed condition at ordinary times, then pass through the fit portion of doorframe upper frame body and middle framework, and being inclined upwardly and middle framework of the closing portion of door-plate, lower frame body slope, closing, to form bridging effect, and then the waterproof effect reached.
This utility model exists following not enough:
At explosion relief door by blast shock surface, its doorframe and the upper frame body comprised, middle framework, lower frame body are then fixed on body of wall, this part area accounts for the 30-40% of the face gross area that is hit, and it has impact on effective release of shock wave energy, and effective open area is reduced; When being subject to blast and impacting, because open area is less, upper frame body, middle framework and lower frame body entirety certainly will be caused to be rushed open by shock wave, cause explosion relief door irrecoverability to destroy.
2. plus-minus differential pressure overpressure alarming venting door (Authorization Notice No. CN 201026430Y)
The utility application designed by inventor The No.2 Harbin Dust Demoving Apparatus Factory, it discloses a kind of plus-minus differential pressure overpressure alarming venting door, and this equipment is applicable to the safety alarm device of air filter, dust arrester.
Above-mentioned explosion relief door be provided with one lead to outside positive differential pressure door and lead to outside Negative Pressure Difference door, two all by hinge and housing hinge, two are equipped with counterweight and travel switch.When the outer surface pressure of device is less than device internal request pressure reduction, positive differential pressure door is opened, and internal gas flow is discharged into space outerpace by screen pack, positive differential pressure door; When device internal pressure be less than to require pressure reduction outside device time Negative Pressure Difference door open, outer gas stream, by screen pack, Negative Pressure Difference door, screen pack, enters into device interior, has reached the effect of venting of dust explosion and balance external and internal pressure, and trigger alarm device is implemented to report to the police simultaneously.
This plus-minus differential pressure overpressure alarming venting door is only suitable for the venting of dust explosion window use of the low impact energy such as air filter, deduster rank, low explosion severity, low throughput, because the venting of dust explosion passage of design is less, be unsuitable for HI high impact energy rank, high explosion severity and moment high gas flow throughput venting of dust explosion design, be more not suitable for having as dangerous material cargo storage warehouse the function that personnel and goods Vomitory use concurrently.
3. shock resistance steel venting of dust explosion rolling door (Authorization Notice No. CN 103225473 A)
The application for a patent for invention designed by inventor Senlin Special Steel Door Co., Ltd., Shanghai; relate to the shock resistance steel venting of dust explosion rolling door design of building access for depositing excessive risk harmful influence or passage; the damage that the shock wave can avoiding or weaken blast generation causes building, for property and personal security provide effective guarantee.
This shock resistance steel venting of dust explosion rolling door, mainly comprise curtain face, open-type guide rail, when being subject to blast impulse, first venting of dust explosion bolt is severed, and open-type guide rail venting of dust explosion portion rotates around hinge, presents unlatching shape, the roller shutter shop front is destroyed and is released outdoor by shock wave, plays good venting of dust explosion, decompression function.This venting of dust explosion rolling door simultaneously, is easy to when usually using open and close, and realizes large scale and to pass through the requirement of door.
This patent of invention exists following not enough:
(1) be subject on blast shock surface in steel venting of dust explosion rolling door, on it, rolling-gate casing and both sides open-type guide rail are fixed on body of wall, this part area accounts for the 10-20% of the face gross area that is hit, it has impact on effective release of shock wave energy, when being subject to blast and impacting, because open area is less, rolling-gate casing and both sides open-type guide rail certainly will be caused to be rushed open by shock wave, cause explosion relief door irrecoverability to destroy.
(2) the venting of dust explosion principle of steel venting of dust explosion rolling door is disposable destruction venting of dust explosion, and after accident occurs, its curtain face is damaged completely, and the flue dust that blast produces and poison gas are released to space outerpace, and this works the mischief to neighboring buildings and other staff.
4. fire-extinguishing explosion relief valve (patent No. ZL 94229292.8)
The utility application designed by inventor Northeastern University, belongs to the venting of dust explosion experimental rig of industrial dust detonation.This testing equipment forms primarily of base, upper cover, venting of dust explosion piston and venting of dust explosion fence, its operating principle is when there is dust explosion in closed container inside, compression wave acts on venting of dust explosion piston and to open it venting of dust explosion, simultaneously blast ejection combustion and do not fire dust, flame, be trapped in venting of dust explosion indoor by the filter medium that the inner venting of dust explosion fence of experimental rig is filled, flame also extinguishes because of the fire extinguishing function of cooling and filter medium.While venting of dust explosion, mechanism action open alarming device, thus alarm signal of sounding.
This utility model exists following not enough:
(1) venting of dust explosion piston is by the restriction of guide peg length, and its stroke is limited, and guide peg can be broken by the active force acted on when explosion energy is larger on venting of dust explosion piston, destroys the integrality of whole system; Simultaneously the guide peg moving parts of internal tank, greatly limit effectively depositing of internal tank material, is therefore feasible as venting of dust explosion experimental study, and also needs as practical application perfect further.
(2) " explosion relief door " described in this utility model, be actually the venting of dust explosion piston moved along certain orientation, its venting of dust explosion trigger mechanism component number is various, motion is complicated, be not suitable for as industrial equipment practice, the access door being more not suitable for dangerous goods store goods and personnel's turnover uses.
(3) this device is the experimental rig of industrial dust venting of dust explosion effect, is not suitable as industrialization practical application, more can not use as the storage of dangerous material goods.
The application is for above-mentioned deficiency, existing dangerous material goods and personnel's access door are carried out to the improvement of pressure release antiknock, to high-risk product Storage of Goods and the explosion venting device depositing design, to high-energy rank, high explosion severity and moment high gas flow throughput dangerous material there is good venting of dust explosion effect.
Summary of the invention
The technical problem that the application will solve is for above-mentioned the deficiencies in the prior art, and provides a kind of venting of dust explosion bolt driving mechanism.
For solving the problems of the technologies described above, the technical scheme that the application adopts is:
A kind of venting of dust explosion bolt driving mechanism, is comprised and is embedded in pressure sensor inside doorframe and is connected by gear with pressure sensor and is arranged at the alert and resourceful formula venting of dust explosion bolt in door leaf; The driving wheel that described gear comprises final gear and coaxially arranges with final gear, final gear can rotate under the drive of driving wheel; One end and the final gear of described alert and resourceful formula venting of dust explosion bolt engage each other; Described pressure sensor comprises and being embedded in inside doorframe and the inductor junction plate having flexible pressure sensitive plate and be fixedly connected with pressure sensitive plate medial surface center, this inductor junction plate is provided with the first horizontal rack be meshed with driving wheel.
Described alert and resourceful formula venting of dust explosion bolt comprises the venting of dust explosion bolt casing be embedded in door leaf, be arranged at horizontal locking bolt that venting of dust explosion bolt casing can move horizontally and can the world locking bolt of vertical movement; Described horizontal locking bolt is provided with the second horizontal rack be meshed with final gear, described world locking bolt is provided with the vertical screw thread be meshed with final gear.
The pressure sensitive value of described pressure sensitive plate can regulate.
The two ends of described pressure sensitive plate are provided with rail plate and are positioned at the sliding wheel of rail plate.
For removably connecting between described pressure sensitive plate and doorframe, the elasticity model of pressure sensitive plate can be changed.
Described inductor junction plate is also provided with the first horizontal slip limit guide groove.
Described inductor junction plate is also provided with alarming trigger switch guide groove and be positioned at alarming trigger switch guide groove) alarming trigger switch.
After the application adopts said structure, there is following beneficial effect:
1. the ingenious pressure sensitive plate that utilizes is when sensing pressure anomaly, and the elastic displacement of generation exits the driving force of lockhole as venting of dust explosion bolt, makes venting of dust explosion bolt move back lock standard accurately, rapidly.
2. the pressure sensitive value of pressure sensitive plate can regulate, can according to the requirement of maximum venting of dust explosion superpressure value, the pressure sensitive threshold value of random adjustment pressure sensor, thus venting pressure induction sensitivity is adjusted, can effectively let out except room pressure, and in design pressure induction range automatic alarm, automatically open venting of dust explosion door and window, realize decompression discharge.
3. be connected by gear between pressure inductor with venting of dust explosion bolt, by pinion rotation, drive the automatic locking of venting of dust explosion bolt and move back lock, gear connects, and the locking of venting of dust explosion bolt lock accurately, reliably with moving back.
Accompanying drawing explanation
Fig. 1 is a kind of dangerous material cargo channel of the application formula intelligence explosion relief door-positive facade structural representation outdoors;
Fig. 2 is the positive facade structural representation of a kind of dangerous material cargo channel of the application formula intelligence explosion relief door-Men Nei;
Fig. 3 is the cross-sectional view along A-A face in Fig. 2;
Fig. 4 is that in Fig. 3, force analysis figure opened by single door leaf;
Fig. 5 is the original state top view of pressure sensor when not being hit;
Fig. 6 is the top view of deformation state after pressure sensor is hit;
Fig. 7 is the elevational schematic view of pressure sensor;
Fig. 8 is the plan structure schematic diagram of alert and resourceful formula venting of dust explosion bolt;
Fig. 9 is the vertical section schematic diagram that explosion relief door opens force aid system;
Figure 10 is that explosion relief door opens force aid system closure state schematic diagram;
Figure 11 is that explosion relief door opens force aid system opening schematic diagram.
Wherein have: 1. doorframe; 1-1 upper transverse frame; 1-2 doorframe column; 1-3 lower transverse frame; 2. door leaf; 3. spring hinge; 3-1. return spring; 3-2. hinge cantilever; 3-3. axis of rotation; 4. electric control lock controller; 5. pressure sensor; 5-1. first horizontal slip stopper slot; 5-2. pressure sensitive plate; 5-3. sliding wheel; 5-4. rail plate; 5-5. first horizontal rack; 5-6. alarming trigger switch; 5-7. inductor junction plate; 5-8. alarming trigger switch guide groove; 6. explosion relief door opens force aid system; The telescopic pushing tow bolt of 6-1.; 6-2. goring push spring; 6-3. telescopic tube; 6-4 pedestal; 6-5. spring retainer; 7. alert and resourceful formula venting of dust explosion bolt; 7-1. venting of dust explosion bolt casing; 7-2. final gear; 7-3. second horizontal rack; 7-4. second horizontal slip limit guide groove; 7-5. keyhole; 7-6. world locking bolt; The horizontal master latch of 7-7.; 7-8. mechanical type back-moving spring; The horizontal secondary latch bolt of 7-9.; 7-10. world locking bolt slip limit guide groove; 7-11. lockset back-moving spring; 7-12. mechanical type touches spring resetting-mechanism; 7-13. driving wheel; 7-14. vertical screw thread; The horizontal locking bolt installing plate of 7-15.; 7-16. world locking bolt installing plate; 8. micro-processing center.
In addition, in figure, α is expressed as: when door leaf closes, the sharp clevis angle that door leaf and doorframe column place plane are;
In Fig. 4, F represents the vertical active force of shock wave, and F1 represents the lateral thrust of shock wave to door leaf medial surface; F2 represents the axial tension of shock wave to door leaf.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete better embodiment, the application is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of dangerous material cargo channel formula intelligence explosion relief door, comprises doorframe 1, two door leafs that can mutually split 2, several spring hinges 3, electric control lock controller 4, pressure sensor 5, explosion relief door unlatching force aid system 6, alert and resourceful formula venting of dust explosion bolt 7 and micro-processing center 8.
Above-mentioned door leaf 2 can be split mutually, thus when making venting of dust explosion, open area is large, and effective open area can account for 100% of the face gross area that is hit, thus open and venting of dust explosion rapid.Wherein, the arrow in Fig. 3 and Fig. 6 represents the impact direction of shock wave.
Doorframe 1 comprise be arranged at two door leaf 2 tops upper transverse frame 1-1, be arranged at the lower transverse frame 1-3 bottom two door leafs 2 and be arranged at two doorframe column 1-3 outside two door leafs 2.
Each door leaf 2 comprises lateral surface, medial surface and two, left and right sidewall.Wherein, the face that is hit when medial surface is blast generation, the shape of lateral surface preferably as shown in Figure 1, is one piece of arc, neat appearance.Be preferably a hollow structure between lateral surface and medial surface, the material of some bufferings or reduction noise can be filled in hollow reservoir.The design of this structure, can reduce the weight of door leaf on the one hand, door leaf is opened more quick, on the other hand, can reduce the injury of noise to surrounding people of explosion time.As replacement, lateral surface can be also rectangle or other shape, can be also solid construction, between lateral surface and medial surface all within the protection domain of the application.
The lateral surface of each above-mentioned door leaf 2 is connected with corresponding doorframe column 1-2 by several spring hinges 3.As shown in Figure 4, each spring hinge 3 hinge cantilever 3-2 of comprising the return spring 3-1 be arranged on doorframe column 1-2 lateral surface, being arranged on the axis of rotation 3-3 on each door leaf 2 lateral surface and return spring 3-1 is connected with axis of rotation 3-3.Be subject to impact at door leaf 2 to open and after completing pressure release, door leaf 2 can under the effect of spring hinge 3, quick closedown, reduce cross-ventilation, suppress generation and the diffusion of the condition of a fire within doors.
As shown in Figure 3 and Figure 4, when two door leafs 2 close, the medial surface of each door leaf 2 and doorframe column 1-2 place plane are a sharp clevis angle α.The angle of this sharp clevis angle α is preferably 15-30 °, and optimum value is 30 °.
As shown in Figure 4, the setting of above-mentioned sharp clevis angle α, when blasting, shock will produce component F1 and F2 of left and right door capable of being opened in the vertical directed force F of door leaf 2 medial surface.Wherein, F1 is that the vertical directed force F of shock wave is to the lateral thrust of door leaf 2 medial surface; F2 is that the vertical directed force F of shock wave is to the axial tension of door leaf 2.Under explosion relief door constraint relief state, F1 component can impel door leaf 2 to open rapidly.
Above-mentioned pressure sensor 5 is embedded on the medial surface of upper transverse frame 1-1, and pressure sensor 5 is connected by machinery with alert and resourceful formula venting of dust explosion bolt 7, is connected preferably by gear.The driving wheel 7-13 that gear comprises final gear 7-2 and coaxially arranges with final gear 7-2, final gear 7-2 can rotate under the drive of driving wheel 7-13.
Pressure sensor 5 can sense the ANOMALOUS VARIATIONS of room pressure, when pressure sensor 5 senses that room pressure raises extremely, alert and resourceful for drive formula venting of dust explosion bolt 7 is exited lockhole by pressure sensor 5, removes the locking to door leaf 2 and constraint in very short time, makes pressure leak process rapidly, fast.
As shown in Fig. 5, Fig. 6 and Fig. 7, pressure sensor 5 comprises and being embedded in upper transverse frame 1-1 medial surface and the inductor junction plate 5-7 having flexible pressure sensitive plate 5-2 and be fixedly connected with pressure sensitive plate 5-2 medial surface center.This inductor junction plate 5-7 is provided with the first horizontal rack 5-5 be meshed with driving wheel 7-13.
The pressure sensitive value of above-mentioned pressure sensitive plate 5-2 can regulate, thus can realize the adjustment at any time to different venting of dust explosion peak value.The pressure sensitive value of pressure sensitive plate 5-2 has the concrete regulative mode of the following two kinds.
1., by regulating the length of pressure sensitive plate 5-2, regulate the pressure sensitive value of pressure sensitive plate 5-2.The length adjustment mode of pressure sensitive plate 5-2 is: be provided with rail plate 5-4 and the sliding wheel 5-3 being positioned at rail plate 5-4 at the two ends of pressure sensitive plate 5-2.Regulate the locked position of sliding wheel 5-3, as required, the length of pressure sensitive plate 5-2 can be regulated.
2., by changing the elasticity model of pressure sensitive plate 5-2, regulate the pressure sensitive value of pressure sensitive plate 5-2.As being set to removably connect by between pressure sensitive plate 5-2 and doorframe 1, also can be the rail plate 5-4 of the first and the connection of sliding wheel 5-3.
By above-mentioned regulative mode, according to the requirement of maximum venting of dust explosion superpressure value, arbitrarily can adjust the pressure sensitive threshold value of pressure sensor 5, thus venting pressure induction sensitivity is adjusted, can effectively let out except room pressure, and in design pressure induction range automatic alarm, automatically open venting of dust explosion door and window, realize decompression discharge.
Above-mentioned inductor junction plate 5-7 is also provided with the first horizontal slip limit guide groove 5-1, alarming trigger switch guide groove 5-8 and is positioned at the alarming trigger switch 5-6 of alarming trigger switch guide groove 5-8.First horizontal slip limit guide groove 5-1 can carry out spacing to the horizontal slip of inductor junction plate 5-7.
Above-mentioned pressure sensitive plate 5-2, when not being subject to blast impulse, is in original state as shown in Figure 5.Have inflammable substance explosion time when pressure sensitive plate 5-2 experiences indoor, explosion wave will act on pressure sensitive plate 5-2.Because pressure sensitive plate 5-2 two ends are subject to the common restriction of sliding wheel 5-3 and rail plate 5-4, pressure sensitive plate 5-2 is deformed laterally, deformation state after the ripple that is hit, as shown in Figure 6.
As shown in Figure 8, above-mentioned alert and resourceful formula venting of dust explosion bolt 7 is arranged in door leaf 2, and it comprises the venting of dust explosion bolt casing 7-1 be embedded in one of them door leaf 2, all to slide the horizontal locking bolt that is arranged on venting of dust explosion bolt casing 7-1 and world locking bolt 7-6.
Horizontal locking bolt is used for mutually locking between two door leafs 2, and horizontal locking bolt comprises horizontal master latch 7-7 and horizontal secondary latch bolt 7-9.Horizontal locking bolt is slidably arranged on venting of dust explosion bolt casing 7-1 preferably by horizontal locking bolt installing plate 7-15, and horizontal locking bolt installing plate 7-15 and horizontal locking bolt are structure as a whole.One end of horizontal locking bolt installing plate 7-15 is provided with horizontal master latch 7-7 and horizontal secondary latch bolt 7-9, horizontal locking bolt installing plate 7-15(also i.e. horizontal locking bolt) the other end be provided with the second horizontal rack 7-3.Horizontal locking bolt installing plate 7-15 is also provided with and can carries out the second spacing horizontal slip limit guide groove 7-4 to its horizontal movement.
World locking bolt 7-6 is used for door leaf 2 to lock with lower transverse frame 1-3.World locking bolt 7-6 is slidably arranged on venting of dust explosion bolt casing 7-1 preferably by world locking bolt installing plate 7-16, is preferably integrative-structure.World locking bolt installing plate 7-16 is provided with and can carries out spacing world locking bolt slip limit guide groove 7-10 to its vertical displacement.World locking bolt installing plate 7-16(also i.e. world locking bolt 7-6) the side of the contiguous horizontal locking bolt installing plate 7-15 in top be provided with vertical screw thread 7-14, the bottom of world locking bolt installing plate 7-16 is provided with world locking bolt 7-6.
Venting of dust explosion bolt casing 7-1 is also provided with and can rotates and horizontal locking bolt or world locking bolt 7-6 are carried out lockset back-moving spring 7-11 and the keyhole 7-5 of locking by the final gear 7-2 that can engage mutually with the second horizontal rack 7-3 and vertical screw thread 7-14, two energy.Keyhole 7-5 can, when electric control lock controller 4 fault, utilize key to open alert and resourceful formula venting of dust explosion bolt 7.
The front end of horizontal secondary latch bolt 7-9 is provided with mechanical type reset and touches spring 7-8, and the rear end of horizontal secondary latch bolt 7-9 is provided with mechanical type and touches spring resetting-mechanism 7-12.When door leaf 2 closes, door leaf 2 reset of Crush trigger formula can touch spring 7-8, and spring 7-8 is touched in mechanical type reset makes final gear 7-2 rotate, the lockup state of giving up the throne of the horizontal master latch 7-7 of releasing and world locking bolt 7-6.
As shown in Fig. 2, Fig. 3, Figure 10 and Figure 11, in each doorframe column 1-2, be inlaid with the explosion relief door unlatching force aid system 6 that can promote door leaf 2 and open.As shown in Figure 9, each explosion relief door unlatching force aid system 6 includes the telescopic pushing tow bolt 6-1 of hollow and is fixedly installed on the goring push spring 6-2 of telescopic pushing tow bolt 6-1 inner chamber.Telescopic pushing tow bolt 6-1 is connected with one end of goring push spring 6-2, and the other end of goring push spring 6-2 is connected with spring retainer 6-5, and spring retainer 6-5 is arranged in pedestal 6-4, and pedestal is then positioned at doorframe column 1-2.Meanwhile, the top of spring retainer 6-5 is provided with telescopic tube 6-3, and this telescopic tube 6-3 is fixedly connected with telescopic pushing tow bolt 6-1, and telescopic pushing tow bolt 6-1 can only axially be moved.The top of telescopic pushing tow bolt 6-1 contacts with door leaf 2 sidewall of adjacent door column 1-2.
Doorframe 1 is also provided with micro-processing center 8 and the electric control lock controller 4 for controller sensitive venting of dust explosion bolt 7 automatic open and close.When the pressure of indoor is normal, alert and resourceful formula venting of dust explosion bolt 7 can play the effect of lock core, and the unlatching being carried out controller sensitive venting of dust explosion bolt 7 by electric control lock controller 4, with closed, plays basic anti-theft feature.
As shown in Figure 10, under normal circumstances, door leaf 2 is in closure state, and telescopic pushing tow bolt 6-1 pushes in pedestal 6-4 by door leaf 2, and now goring push spring 6-2 is in energy storage state by compression.
As shown in figure 11, when there is inflammable substance explosion time indoor, pressure sensitive plate 5-2 in pressure sensor 5 is to outdoor distortion, inductor junction plate 5-7 slides to outdoor horizontal along with pressure sensitive plate 5-2, inductor junction plate 5-7 drives the first horizontal rack 5-5 to move, first horizontal rack 5-5 drives again final gear 7-2 to rotate, and then drives alert and resourceful formula venting of dust explosion bolt 7 to exit lockhole, relieves the constraint of door leaf 2.
Then, explosion relief door is opened force aid system 6 and is started, and it is under the effect of goring push spring 6-2, is opened by door leaf 2 by telescopic pushing tow bolt 6-1, and at the lateral thrust F that shock wave produces
1effect under, realize the unlatching completely of door leaf 2, realize rapid venting of dust explosion effect.
Meanwhile, due to the movement of inductor junction plate 5-7, thus drive contact to trigger alarming trigger switch 5-6, micro-processing center 8 will open alarm lamp, and make electromagnetic lock auto-breaking, thus open other venting of dust explosion facility, reach venting of dust explosion object.While pressure release, micro-processing center 8 gives the alarm to specific mechanism.
After venting of dust explosion work completes, pressure sensitive plate 5-2 automatically rebounds under self steel plate elastic reaction, sets back.Meanwhile, inductor junction plate 5-7 also moves towards the direction of indoor, and drives driving wheel 7-13 direction to rotate.Driving wheel 7-13 rotates backward, and horizontal for driving locking bolt and world locking bolt 7-6 is locked by door leaf 2.
Claims (7)
1. a venting of dust explosion bolt driving mechanism, is characterized in that: comprise the pressure sensor (5) that is embedded in doorframe (1) inner side and to be connected by gear with pressure sensor (5) and to be arranged at the alert and resourceful formula venting of dust explosion bolt (7) in door leaf (2); Described gear comprises final gear (7-2) and the driving wheel (7-13) that arrange coaxial with final gear (7-2), and final gear (7-2) can rotate under the drive of driving wheel (7-13); One end and the final gear (7-2) of described alert and resourceful formula venting of dust explosion bolt (7) engage each other; Described pressure sensor (5) comprise be embedded in doorframe (1) inner side in and the inductor junction plate (5-7) that there is flexible pressure sensitive plate (5-2) and be fixedly connected with pressure sensitive plate (5-2) medial surface center, this inductor junction plate (5-7) is provided with the first horizontal rack (5-5) be meshed with driving wheel (7-13).
2. venting of dust explosion bolt driving mechanism according to claim 1, is characterized in that: described alert and resourceful formula venting of dust explosion bolt (7) comprises the venting of dust explosion bolt casing (7-1) be embedded in door leaf (2), be arranged at horizontal locking bolt that venting of dust explosion bolt casing (7-1) can move horizontally and can the world locking bolt (7-6) of vertical movement; Described horizontal locking bolt is provided with the second horizontal rack (7-3) be meshed with final gear (7-2), described world locking bolt (7-6) is provided with the vertical screw thread (7-14) be meshed with final gear (7-2).
3. venting of dust explosion bolt driving mechanism according to claim 1, is characterized in that: the pressure sensitive value of described pressure sensitive plate (5-2) can regulate.
4. venting of dust explosion bolt driving mechanism according to claim 3, is characterized in that: the two ends of described pressure sensitive plate (5-2) are provided with rail plate (5-4) and are positioned at the sliding wheel (5-3) of rail plate (5-4).
5. venting of dust explosion bolt driving mechanism according to claim 3, is characterized in that: for removably connecting between described pressure sensitive plate (5-2) and doorframe (1).
6. venting of dust explosion bolt driving mechanism according to claim 1, is characterized in that: described inductor junction plate (5-7) is also provided with the first horizontal slip limit guide groove (5-1).
7. the venting of dust explosion bolt driving mechanism according to claim 1 or 6, is characterized in that: described inductor junction plate (5-7) is also provided with alarming trigger switch guide groove (5-8) and is positioned at the alarming trigger switch (5-6) of alarming trigger switch guide groove (5-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717558.7U CN204326750U (en) | 2014-11-25 | 2014-11-25 | A kind of venting of dust explosion bolt driving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717558.7U CN204326750U (en) | 2014-11-25 | 2014-11-25 | A kind of venting of dust explosion bolt driving mechanism |
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| CN204326750U true CN204326750U (en) | 2015-05-13 |
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| CN201420717558.7U Expired - Fee Related CN204326750U (en) | 2014-11-25 | 2014-11-25 | A kind of venting of dust explosion bolt driving mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453473B (en) * | 2014-11-25 | 2016-08-31 | 徐州工程学院 | A kind of venting of dust explosion bolt drive mechanism |
| CN108894821A (en) * | 2018-08-23 | 2018-11-27 | 扬州市江隆矿业设备有限公司 | Self-resetting type horizontal movable type inclined shaft explosion proof door |
-
2014
- 2014-11-25 CN CN201420717558.7U patent/CN204326750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453473B (en) * | 2014-11-25 | 2016-08-31 | 徐州工程学院 | A kind of venting of dust explosion bolt drive mechanism |
| CN108894821A (en) * | 2018-08-23 | 2018-11-27 | 扬州市江隆矿业设备有限公司 | Self-resetting type horizontal movable type inclined shaft explosion proof door |
| CN108894821B (en) * | 2018-08-23 | 2024-03-22 | 扬州市江隆矿业设备有限公司 | Self-recovery horizontal moving type inclined shaft explosion door |
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Granted publication date: 20150513 Termination date: 20161125 |