CN114483975B

CN114483975B - Butterfly valve with emergency braking function

Info

Publication number: CN114483975B
Application number: CN202210205072.4A
Authority: CN
Inventors: 王卫东; 马尚才; 罗昊; 陈斌; 刘海尧
Original assignee: Zhejiang Liang Jing Valve Co ltd
Current assignee: Zhejiang Liang Jing Valve Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2023-07-04
Anticipated expiration: 2042-03-02
Also published as: CN114483975A

Abstract

The invention discloses a butterfly valve with an emergency braking function, which belongs to the field of butterfly valves, and the butterfly valve comprises an electric control component, a valve plate, a sealing mechanism, an emergency braking mechanism and an alarm, wherein after the electric control component is used for closing the valve plate to the valve main component, when the sealing mechanism is corroded and broken, water flow retained in the valve main component enters the emergency braking mechanism and is blocked by the emergency braking mechanism, so that the pressure carried in the water flow is not easy to affect the interior of the valve main component, the emergency braking mechanism blocks the water flow and gives an alarm, thereby prompting the maintainer that the valve main component is failed, and a self-repairing mechanism in the valve plate repairs the sealing mechanism, so that the sealing mechanism can restore the original effect to the greatest extent, and delay the arrival of the maintainer, thereby achieving the emergency braking effect when leakage occurs, and effectively improving the practicability of the valve main component.

Description

Butterfly valve with emergency braking function

Technical Field

The invention relates to the field of butterfly valves, in particular to a butterfly valve with an emergency braking function.

Background

The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and can be used for opening and closing low-pressure pipeline medium, and the butterfly valve is characterized by that its closing member (valve clack or butterfly plate) is made into the form of disk, and can be rotated around valve shaft to implement opening and closing operation, and the valve can be used for controlling the flow of various fluids of air, water, steam, various corrosive mediums, slurry, oil, liquid metal and radioactive medium, etc., on the pipeline, mainly can implement cutting-off and throttling action, and its opening and closing member is made into the form of disk, and can be rotated around its own axis in the valve body so as to attain the goal of opening and closing or regulating.

In the prior art, when the butterfly valve is applied to a water flow pipeline, water flow in the pipeline can corrode a sealing ring in the butterfly valve, so that when the butterfly valve is closed, damage can be generated due to damage of the sealing ring, and closed and stopped water flow starts to circulate, so that subsequent work is greatly influenced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide the butterfly valve with the emergency braking function, after the electric control assembly is used for closing the control valve plate to close the valve main assembly, when the sealing mechanism is corroded and broken, water flow retained in the valve main assembly can enter the emergency braking mechanism, the expansion block can expand and deform due to absorption of water flow, the spherical water absorption pad can fill gaps and the like, continuous upward flushing of water flow can be effectively prevented, the pressure carried in the water flow is unlikely to affect the inside of the valve main assembly, the spherical water absorption pad can enable the connector to break the diaphragm and extend to the outside when the spherical water absorption pad expands, the resazurin in the cavity is enabled to be in contact with air entering the air guide hole to change color, so that a fault is indicated to occur in the valve main assembly of a maintainer, the heat conduction block in the self-repairing mechanism can slide in the self-repairing mechanism due to the expansion of the spherical water absorption pad, the spherical water absorption pad pushes the repairing liquid into the sealing mechanism through the special-shaped air bag, the sealing mechanism is prevented from being further pushed by the rubber plate, the sealing mechanism is prevented from being restored to the original condition, and the repairing effect can be maximally achieved.

2. Technical proposal

In order to solve the problems, the invention adopts the following technical scheme.

The utility model provides a butterfly valve with emergency braking function, includes the valve main part, the electric control subassembly is installed to valve main part upper end, be equipped with the valve plate in the valve main part, the valve plate is connected with the electric control subassembly, the valve plate outer end is equipped with two sealing mechanism, the bottom is excavated in the valve main part has two symmetrical emergency braking mechanisms, emergency braking mechanism is located sealing mechanism's upside, this scheme can make in the valve main part by the rivers that intercept detained in the valve main part and produce the erosion to sealing mechanism after electric control subassembly closes the valve main part, and when sealing mechanism breaks because of the erosion, can make in the valve main part rivers that detain get into emergency braking mechanism through sealing mechanism breaking department, and emergency braking mechanism can block up the rivers that gushes out because of rivers get into after, so that the pressure that carries in the rivers is difficult for the valve main part inside produces bigger influence, and the warning when emergency braking mechanism blocks up to rivers, thereby the suggestion maintenance personnel valve main part takes place the trouble and the sealing mechanism has taken place in the valve main part, and the sealing mechanism is then can be improved to the maximum degree of fact that the sealing mechanism is broken and the sealing mechanism is the valve plate is also sealed and the fact can be had the furthest and the repair is carried out to the sealing mechanism.

Further, the emergency braking mechanism comprises a spherical water absorption pad which is communicated with the valve main component, an expansion block is fixedly connected in the spherical water absorption pad, an internal cavity is cut in the expansion block, a lithium block is filled in the internal cavity, the inner wall of the spherical water absorption pad is connected with a movable plate in a sliding way, the movable plate is positioned on the upper side of the spherical water absorption pad, two symmetrical through holes are cut at the upper end of the valve main component, the through holes are positioned at the upper side of the movable plate, the upper end of the movable plate is fixedly connected with a warning rod which is in sliding connection with the through hole, the upper end of the warning rod is fixedly connected with a connector, the warning rod is internally provided with a cavity, the outer end of the connector is provided with a plurality of air guide holes, the air guide holes are communicated with the cavity, the inner wall of the through hole is fixedly connected with a diaphragm, the diaphragm is positioned on the upper side of the connector, after water flow enters the emergency braking mechanism, the expansion block expands and deforms due to the absorption of the water flow, so that the spherical water absorption pad fills gaps and the like, and can effectively prevent water flow from continuously flowing upwards, and the lithium block is contacted with water to decompose and release a large amount of heat, after the spherical water absorption pad expands, the warning rod can be jacked upwards, the diaphragm is poked through the connector and then extends to the outside, and the resazurin in the cavity is enabled to be in contact with the air entering the air guide hole to change color, thereby prompting the overhauling personnel that the valve main component is in fault, thereby blocking the water flow in the valve main assembly, effectively avoiding the damage of the valve main assembly caused by the impact force of the water flow, meanwhile, the device has the function of prompting the overhauling staff, so that the overhauling staff can rapidly finish overhauling the device on the field.

Further, the valve plate includes self-repairing mechanism, self-repairing mechanism is linked together with emergency braking mechanism, self-repairing mechanism extends to between two sealing mechanism and is linked together with sealing mechanism, sliding connection has two symmetrical heat conduction blocks in the self-repairing mechanism, the heat conduction block is located one side that two spherical water absorption pads are close to each other, install special-shaped gasbag in the self-repairing mechanism, special-shaped gasbag is located between the heat conduction block, special-shaped gasbag outer end fixedly connected with is between two symmetrical heat conduction springs, the heat conduction spring is located between two, the heat conduction spring is close to sealing mechanism's one end fixedly connected with heat conduction rubber plate, heat conduction rubber plate and self-repairing mechanism sliding connection, self-repairing mechanism inner wall fixedly connected with two symmetrical fixed plates, the fixed plate is located and is close to sealing mechanism's one end that is kept away from the heat conduction rubber plate, fixed connection has the leather sheath between fixed plate and the rubber plate, thereby produces a large amount of heat at spherical water absorption pad expansion lithium piece and consequently produces the heat and can make the heat of heat absorption pad and make the heat of the sealing mechanism take place in the sealing mechanism and the sealing effect is improved to the sealing mechanism in the sealing mechanism is carried out to the sealing mechanism and the heat is replaced by the sealing mechanism.

Further, a plurality of moisture absorption heating wires of fixedly connected with in the sealing mechanism, moisture absorption heating wire adopts modal fiber material to make, when sealing mechanism takes place to damage, can make moisture absorption heating wire absorb to moisture, and when moisture absorption heating wire absorbed moisture, hydrophilic group in the moisture absorption heating wire molecule combined with the hydrone, the kinetic energy of hydrone reduces, converts the heat energy release simultaneously, and then accelerates the efficiency that the repair liquid was condensed after leading into sealing mechanism.

Further, the spherical water absorption pad is made of a water absorption sponge material, the expansion block is made of a water absorption expansion rubber material, the water absorption effect of the spherical water absorption pad made of the water absorption sponge material is enhanced, the expansion block can absorb water more quickly, the expansion block can expand after absorbing water again through the water absorption expansion rubber material, and the water absorption expansion material can expand by two to three times of the original volume after absorbing water.

Further, the connector is white transparent, the resazurin solution is filled in the cavity, the initial color is pink, the cavity is wholly pink in an anaerobic state, after the cavity is contacted with oxygen entering through the air guide hole, the surface layer becomes blue, the blue is gradually deepened along with the increase of the contact time, and then the prompting effect is achieved.

Furthermore, the self-repairing mechanism is I-shaped, the lower end of the self-repairing mechanism extends to the position between the two sealing mechanisms and is communicated with the sealing mechanisms, and the self-repairing mechanism can effectively link the emergency braking mechanism and the sealing mechanisms through the I shape adopted by the self-repairing mechanism, so that the emergency braking effect is enhanced.

Further, be equipped with a plurality of diamond pellets in the dysmorphism gasbag, a plurality of fixed connection heat conduction rope between the diamond pellets, and the heat conduction rope adopts heat conduction carbon fiber material to make, makes the heat absorption effect reinforcing of dysmorphism gasbag through the diamond pellet, improves the heat transfer effect and then makes heat conduction spring can effectually be heated simultaneously to take place deformation, thereby reaches the effect that further reinforcing bulldozes the heat conduction rubber slab.

Further, the repair liquid is filled between the fixing plate and the heat-conducting rubber plate, the heat-conducting spring is made of a memory alloy material, the initial state is a compression state, the double-pass memory effect is achieved, the sealing mechanism is repaired effectively through the repair liquid between the heat-conducting rubber plate and the fixing plate, meanwhile, the heat-conducting spring is made of the memory alloy material and deforms when subjected to heat conduction on the special-shaped air bag, and then the pressing effect on the heat-conducting rubber plate is achieved.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) After the electric control assembly is used for closing the control valve plate to the valve main assembly, when the sealing mechanism is corroded and broken, water flow retained in the valve main assembly enters the emergency braking mechanism, the expansion block can expand and deform due to absorption of water flow, the spherical water absorption pad is further filled in gaps and the like, continuous water flow is effectively prevented from rising, pressure carried in the water flow is unlikely to affect the inside of the valve main assembly greatly, the spherical water absorption pad can enable the connector to poke the diaphragm and extend to the outside when the sealing mechanism expands, the resazurin in the cavity is enabled to be in contact with air entering the air guide hole to change color, accordingly, overhaulers are prompted that the valve main assembly fails, the heat conduction block in the self-repairing mechanism can slide in the self-repairing mechanism due to expansion of the spherical water absorption pad, and the heat conduction rubber plate is pushed into the sealing mechanism through the special-shaped air bag, so that the sealing mechanism is prevented from being restored to the sealing mechanism to the maximum extent, and the original effect of the sealing mechanism is achieved, and abnormal change is prevented.

(2) The emergency braking mechanism includes spherical water absorption pad, spherical water absorption pad is linked together with valve main assembly, spherical water absorption pad internal fixedly connected with expansion block, expansion block internal cutting has built-in chamber, built-in intracavity is filled with the lithium piece, spherical water absorption pad inner wall sliding connection has the fly leaf, the fly leaf is located spherical water absorption pad's upside, valve main assembly upper end cutting has two symmetrical through-holes, the through-hole is located the upside of fly leaf, fly leaf upper end fixedly connected with warning pole, warning pole and through-hole sliding connection, warning pole upper end fixedly connected with connector, the cutting has the cavity in the warning pole, the outer end cutting of connector has a plurality of air guide holes, the air guide hole is linked together with the cavity, through-hole inner wall fixedly connected with diaphragm, the diaphragm is located the upside of connector, after having rivers to get into in emergency braking mechanism, the expansion block can take place expansion and deformation because of absorbing the rivers, and make spherical water absorption pad fills in the department such as clearance, and can effectually prevent continuing to gush up of rivers, and lithium piece and water contact and decompose and a large amount of heat, at the upside of fly leaf, the same time, the warning pole upper end fixedly connected with connector has been reached the air hole, the warning pole has been reached the main assembly that the impact of the main assembly has been broken up with the water flow, the main assembly has been broken up, the air hole has been broken up by the main assembly has the effect, and has reached the main assembly has the impact to the subsequent impact on the air hole has been broken, and has been broken down, and has reached the main assembly has the impact to the air has been broken down.

(3) The valve plate includes self-repairing mechanism, self-repairing mechanism is linked together with emergency braking mechanism, self-repairing mechanism extends to between two sealing mechanisms and is linked together with sealing mechanism, sliding connection has two symmetrical heat conduction blocks in self-repairing mechanism, the heat conduction block is located two spherical water absorption pad one side that is close to each other, install special-shaped gasbag in the self-repairing mechanism, special-shaped gasbag is located between the heat conduction block, special-shaped gasbag outer end fixedly connected with is between two symmetrical heat conduction springs, heat conduction spring is located between the two, heat conduction spring is close to sealing mechanism's one end fixedly connected with heat conduction rubber slab, heat conduction rubber slab and self-repairing mechanism sliding connection, self-repairing mechanism inner wall fixedly connected with two symmetrical fixed plates, the fixed plate is located the one end that is close to sealing mechanism and keeps away from the heat conduction rubber slab, the fixed plate outer end is equipped with the guide opening, fixedly connected with leather sheath between fixed plate and the heat conduction rubber slab, after spherical water absorption pad expansion lithium piece consequently produces a large amount of heat, the expansion of spherical water absorption pad can slide in self-repairing mechanism, simultaneously, derive special-shaped heat through carrying out on the lithium piece, and the heat conduction liquid is partly compressed in the sealing mechanism and the heat conduction rubber slab is partly can be reduced by the sealing mechanism to the maximum extent, thereby the sealing effect is improved, the sealing mechanism is improved.

(4) The sealing mechanism is internally fixedly connected with a plurality of moisture absorption heating wires, the moisture absorption heating wires are made of Modal fiber materials, moisture absorption heating wires can absorb moisture when the sealing mechanism is broken, hydrophilic groups in molecules of the moisture absorption heating wires are combined with water molecules when the moisture absorption heating wires absorb the moisture, the kinetic energy of the water molecules is reduced, meanwhile, the water molecules are converted into heat energy to be released, and then the condensation efficiency after repair liquid is led into the sealing mechanism is accelerated.

(5) The spherical water absorption pad is made of a water absorption sponge material, the expansion block is made of a water absorption expansion rubber material, the water absorption effect of the spherical water absorption pad made of the water absorption sponge material is enhanced, the expansion block can absorb water more quickly, the expansion block can expand after absorbing water again through the water absorption expansion rubber material, and the water absorption expansion material can expand by two to three times the original volume after absorbing water.

(6) The connector is white transparent, the cavity is filled with a resazurin solution, the initial color is pink, the cavity is wholly pink in an anaerobic state, after the connector contacts oxygen entering through the air guide hole, the surface layer becomes blue, and the blue is gradually deepened along with the increase of contact time, so that the prompting effect is achieved.

(7) The self-repairing mechanism is I-shaped, the lower end of the self-repairing mechanism extends between the two sealing mechanisms and is communicated with the sealing mechanisms, and the self-repairing mechanism can effectively link the emergency braking mechanism and the sealing mechanisms through the I shape adopted by the self-repairing mechanism, so that the emergency braking effect is enhanced.

(8) Be equipped with a plurality of diamond pellets in the dysmorphism gasbag, fixed connection heat conduction rope between a plurality of diamond pellets, and the heat conduction rope adopts heat conduction carbon fiber material to make, makes the heat absorption effect reinforcing of dysmorphism gasbag through the diamond pellet, improves the heat transfer effect and then makes the heat conduction spring can effectually be heated simultaneously to take place deformation, thereby reaches the effect that further reinforcing bulldozes the heat conduction rubber slab.

(9) The repairing liquid is filled between the fixing plate and the heat-conducting rubber plate, the heat-conducting spring is made of a memory alloy material, the initial state is a compression state, the double-pass memory effect is achieved, the sealing mechanism is repaired effectively through the repairing liquid between the heat-conducting rubber plate and the fixing plate, meanwhile, the heat-conducting spring is made of the memory alloy material and deforms when subjected to heat conduction on the special-shaped air bag, and then the pressing effect on the heat-conducting rubber plate is achieved.

Drawings

FIG. 1 is a schematic view of a valve main assembly of the present invention;

FIG. 2 is a schematic side cross-sectional view of a valve plate of the present invention;

FIG. 3 is a schematic view of a side cross-sectional partial structure of a valve plate of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is an enlarged schematic view of FIG. 3 at B;

FIG. 6 is a schematic view of a spherical absorbent pad according to the present invention;

fig. 7 is a schematic structural diagram of a warning lever according to the present invention.

The reference numerals in the figures illustrate:

100 valve main components, 200 electric control components, 300 valve plates, 400 sealing mechanisms, 401 moisture absorption heating wires, 500 emergency braking mechanisms, 501 spherical water absorption pads, 502 expansion blocks, 503 built-in cavities, 504 lithium blocks, 505 movable plates, 506 through holes, 507 warning rods, 508 connectors, 509 cavities, 5010 air guide holes, 5011 diaphragms, 600 self-repairing mechanisms, 601 heat conduction blocks, 602 special-shaped air bags, 603 diamond pellets, 604 heat conduction springs, 605 heat conduction rubber plates, 606 fixed plates, 607 guide holes and 608 leather sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-3, a butterfly valve with emergency braking function, including valve main assembly 100, electric control assembly 200 is installed to valve main assembly 100 upper end, be equipped with valve plate 300 in valve main assembly 100, valve plate 300 is connected with electric control assembly 200, valve plate 300 outer end is equipped with two sealing mechanism 400, two symmetrical emergency braking mechanism 500 have been excavated to valve main assembly 100 inner bottom, emergency braking mechanism 500 is located sealing mechanism 400's upside, this scheme is after electric control assembly 200 carries out closed control valve plate 300 and carries out the closure in valve main assembly 100, can make valve main assembly 100 in the rivers that are stopped detained in valve main assembly 100 and produce the corruption to sealing mechanism 400, and when sealing mechanism 400 breaks because of the erosion, can make valve main assembly 100 in the rivers that detain get into emergency braking mechanism 500 through sealing mechanism 400 fracture department, and emergency braking mechanism 500 can block up because of rivers entering after, so that the pressure that carries in the rivers is difficult to produce bigger influence to valve main assembly 100 inside, and in emergency braking mechanism 500 carries out the emergency braking mechanism and the warning that the valve plate 400 has been stopped up simultaneously, can be the most to the sealing mechanism has been repaired and the valve plate 400 has been repaired simultaneously carried out the warning effect when the valve main assembly 400 has been repaired and has been carried out the maintenance effect, the sealing mechanism is simultaneously has been improved, the sealing mechanism has been carried out the maintenance effect.

Referring to fig. 6-7, the emergency braking mechanism 500 includes a spherical water absorbing pad 501, the spherical water absorbing pad 501 is communicated with a valve main assembly 100, an expansion block 502 is fixedly connected in the spherical water absorbing pad 501, a built-in cavity 503 is cut in the expansion block 502, a lithium block 504 is filled in the built-in cavity 503, a movable plate 505 is slidingly connected with the inner wall of the spherical water absorbing pad 501, the movable plate 505 is positioned on the upper side of the spherical water absorbing pad 501, two symmetrical through holes 506 are cut at the upper end of the valve main assembly 100, the through holes 506 are positioned on the upper side of the movable plate 505, a warning rod 507 is fixedly connected with the upper end of the movable plate 505, the warning rod 507 is slidingly connected with the through holes 506, a connector 508 is fixedly connected with the upper end of the warning rod 507, a plurality of air guide holes 5010 are cut at the outer end of the connector 508, the air guide holes 5010 are communicated with the cavity 509, a diaphragm 5011 is fixedly connected with the inner wall of the through holes 506, the diaphragm 5011 is positioned at the upper side of the connector 508, after water flows in the emergency braking mechanism 500, the expansion block 502 expands and deforms due to absorbing and absorbing the water flow, so that the spherical water absorption pad 501 fills gaps and the like, further, continuous upwelling of the water flow can be effectively prevented, the lithium block 504 is contacted with the water to decompose and release a large amount of heat, the warning rod 507 is jacked up after the spherical water absorption pad 501 expands, the diaphragm 5011 is poked through the connector 508 and then extends to the outside of 1, the resazurin in the cavity 509 is in contact with the air entering through the air guide hole 5010 to change color, thereby prompting the overhauler that the valve main assembly 100 is failed, further, blocking the water flow in the valve main assembly 100 is achieved, effectively avoiding the damage of the valve main assembly 100 due to the impact force of the water flow, and simultaneously having the function of prompting the overhauler, therefore, the maintenance personnel can rapidly finish the maintenance of the field.

Referring to fig. 3-5, the valve plate 300 includes a self-repairing mechanism 600, the self-repairing mechanism 600 is communicated with the emergency braking mechanism 500, the self-repairing mechanism 600 extends between two sealing mechanisms 400 and is communicated with the sealing mechanisms 400, two symmetrical heat conducting blocks 601 are slidably connected in the self-repairing mechanism 600, the heat conducting blocks 601 are made of graphene materials, the heat conducting blocks 601 are positioned at one sides of the two spherical water absorbing pads 501, which are close to each other, a special-shaped air bag 602 is installed in the self-repairing mechanism 600, the special-shaped air bag 602 is positioned between the heat conducting blocks 601, the outer ends of the special-shaped air bags 602 are fixedly connected with two symmetrical heat conducting springs 604, the heat conducting springs 604 are positioned between two 4, one end of each heat conducting spring 604, which is close to the sealing mechanism 400, is fixedly connected with a heat conducting rubber plate 605, the heat conducting rubber plate 605 is slidably connected with the self-repairing mechanism 600, the inner wall of the self-repairing mechanism 600 is fixedly connected with two symmetrical fixing plates 606, the fixing plate 606 is positioned at one end, which is close to the sealing mechanism 400 and far away from the heat conducting rubber plate 605, the outer end of the fixing plate 606 is provided with a guide opening 607, a leather sheath 608 is fixedly connected between the fixing plate 606 and the heat conducting rubber plate 605, after the spherical water absorbing pad 501 absorbs water and expands the lithium block 504 to generate a large amount of heat, the heat conducting block 601 slides in the self-repairing mechanism 600 due to the expansion of the spherical water absorbing pad 501, meanwhile, the heat on the lithium block 504 is led out, the special-shaped air bag 602 at the upper half part is extruded by the heat conducting block 601, the lower half part pushes the heat conducting rubber plate 605 to squeeze repair liquid into the sealing mechanism 400, the sealing mechanism 400 is repaired, so that the sealing mechanism 400 can recover the original effect to the greatest extent, the effect of inhibiting the abnormal situation is achieved, the heat on the special-shaped air bag 602 expands due to the heat on the heat conducting block 601, this enhances the pushing effect on the heat conductive rubber plate 605, thereby improving the efficiency of the sealing mechanism 400.

Referring to fig. 3-7, a plurality of hygroscopic heating wires 401 are fixedly connected in the sealing mechanism 400, the hygroscopic heating wires 401 are made of modal fiber materials, when the sealing mechanism 400 is broken, moisture absorbed by the hygroscopic heating wires 401 can be absorbed, hydrophilic groups in molecules of the hygroscopic heating wires 401 are combined with water molecules when the hygroscopic heating wires 401 absorb the moisture, the kinetic energy of the water molecules is reduced, and meanwhile, the water molecules are converted into heat energy to be released, so that the efficiency of condensation after the repairing liquid is introduced into the sealing mechanism 400 is accelerated, the spherical water absorbing pad 501 is made of water absorbing sponge materials, the expansion block 502 is made of water absorbing expansion rubber materials, the water absorbing effect of the spherical water absorbing pad 501 is enhanced by the water absorbing sponge materials, the expansion block 502 can absorb the water more quickly, and the expansion block 502 can expand after absorbing the water again by the water absorbing expansion rubber materials, the water-absorbing expansion material can expand the original volume by two to three times after absorbing water, the connector 508 is white and transparent, the cavity 509 is filled with a resazurin solution, the initial color is pink, the cavity 509 is wholly pink in an anaerobic state, after the cavity is contacted with oxygen entering through the air guide hole 5010, the surface layer becomes blue, the blue is gradually deepened along with the increase of the contact time, the prompting effect is achieved, the self-repairing mechanism 600 is I-shaped, the lower end of the self-repairing mechanism 600 extends between the two sealing mechanisms 400 and is communicated with the sealing mechanisms 400, the self-repairing mechanism 600 can effectively link the emergency braking mechanism 500 and the sealing mechanisms 400 through the I shape adopted by the self-repairing mechanism 600, so that the emergency braking effect is enhanced, a plurality of diamond balls 603 are arranged in the special-shaped air bag 602, and heat conducting ropes are fixedly connected between the diamond balls 603, and the heat conduction rope adopts heat conduction carbon fiber material to make, make the heat absorption effect of dysmorphism gasbag 602 strengthen through diamond ball 603, simultaneously improve heat transfer effect and then make heat conduction spring 604 can effectually be heated, and take place the deformation, thereby reach the effect that further strengthen bulldoze heat conduction rubber slab 605, it has the restoration liquid to fill between fixed plate 606 and the heat conduction rubber slab 605, heat conduction spring 604 adopts the memory alloy material to make, and initial state is compressed state, have the double-pass memory effect, repair mechanism 400 through the restoration liquid between heat conduction rubber slab 605 and the fixed plate 606 effectually, simultaneously adopt the memory alloy material to make through heat conduction spring 604, heat conduction spring 604 takes place the deformation when receiving the heat conduction on dysmorphism gasbag 602, and then reach the butt effect to heat conduction rubber slab 605.

The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims

1. A butterfly valve with emergency braking function, comprising a valve main assembly (100), characterized in that: an electric control assembly (200) is arranged at the upper end of the valve main assembly (100), a valve plate (300) is arranged in the valve main assembly (100), the valve plate (300) is connected with the electric control assembly (200), two sealing mechanisms (400) are arranged at the outer end of the valve plate (300), two symmetrical emergency braking mechanisms (500) are cut at the inner bottom end of the valve main assembly (100), and the emergency braking mechanisms (500) are positioned at the upper sides of the sealing mechanisms (400); the emergency braking mechanism (500) comprises a spherical water absorption pad (501), the spherical water absorption pad (501) is communicated with a valve main assembly (100), an expansion block (502) is fixedly connected in the spherical water absorption pad (501), a built-in cavity (503) is formed in the expansion block (502), a lithium block (504) is filled in the built-in cavity (503), a movable plate (505) is slidably connected to the inner wall of the spherical water absorption pad (501), the movable plate (505) is located on the upper side of the spherical water absorption pad (501), two symmetrical through holes (506) are formed in the upper end of the valve main assembly (100), the through holes (506) are located on the upper side of the movable plate (505), a warning rod (507) is fixedly connected with the through holes (506) in a sliding mode, a connector (508) is fixedly connected to the upper end of the warning rod (507), a cavity (509) is formed in the warning rod (507), the outer end of the connector (508) is connected with a plurality of air guide holes (506), and the air holes (5011) are formed in the inner wall (5011) of the connector (508).

2. A butterfly valve with emergency braking function according to claim 1, characterized in that: the valve plate (300) comprises a self-repairing mechanism (600), the self-repairing mechanism (600) is communicated with an emergency braking mechanism (500), the self-repairing mechanism (600) extends to a position between two sealing mechanisms (400) and is communicated with the sealing mechanisms (400), two symmetrical heat conducting blocks (601) are slidably connected in the self-repairing mechanism (600), the heat conducting blocks (601) are positioned on one sides of two spherical water absorbing pads (501) which are close to each other, a special-shaped air bag (602) is arranged in the self-repairing mechanism (600), the special-shaped air bag (602) is positioned between the heat conducting blocks (601), the outer end of the special-shaped air bag (602) is fixedly connected with two symmetrical heat conducting springs (604), the heat conducting springs (604) are positioned between the two sealing mechanisms (400), one end of each heat conducting spring (604) close to the sealing mechanism (400) is fixedly connected with a heat conducting rubber plate (605), the heat conducting rubber plate (605) is slidably connected with the self-repairing mechanism (600), the inner wall (607) is fixedly connected with two symmetrical heat conducting plates (606) which are positioned at one end (606) close to the other, the two ends (606) of the heat conducting plates (606) are positioned at the other end (605), and a leather sheath (608) is fixedly connected between the fixing plate (606) and the heat conducting rubber plate (605).

3. A butterfly valve with emergency braking function according to claim 1, characterized in that: a plurality of moisture absorption heating wires (401) are fixedly connected in the sealing mechanism (400), and the moisture absorption heating wires (401) are made of Modal fiber materials.

4. A butterfly valve with emergency braking function according to claim 2, characterized in that: the spherical water absorption pad (501) is made of a water absorption sponge material, and the expansion block (502) is made of a water absorption expansion rubber material.

5. A butterfly valve with emergency braking function according to claim 2, characterized in that: the connector (508) is white and transparent, the cavity (509) is filled with a resazurin solution, and the initial color is pink.

6. A butterfly valve with emergency braking function according to claim 2, characterized in that: the self-repairing mechanism (600) is I-shaped, and the lower end of the self-repairing mechanism (600) extends to a position between the two sealing mechanisms (400) and is communicated with the sealing mechanisms (400).

7. A butterfly valve with emergency braking function according to claim 2, characterized in that: a plurality of diamond pellets (603) are arranged in the special-shaped air bag (602), a plurality of diamond pellets (603) are fixedly connected with a heat conducting rope, and the heat conducting rope is made of a heat conducting carbon fiber material.

8. A butterfly valve with emergency braking function according to claim 2, characterized in that: the repairing liquid is filled between the fixing plate (606) and the heat conducting rubber plate (605), the heat conducting spring (604) is made of a memory alloy material, and the initial state is a compression state and has a double-pass memory effect.