CN109973819B

CN109973819B - High-safety directional conveying method for chemical high-risk gas or liquid conveying pipeline

Info

Publication number: CN109973819B
Application number: CN201910415833.7A
Authority: CN
Inventors: 张继美; 其他发明人请求不公开姓名
Original assignee: Zhongyan Kunshan Co ltd
Current assignee: ZHONGYAN KUNSHAN Co.,Ltd.
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2020-12-01
Anticipated expiration: 2039-05-18
Also published as: CN109973819A

Abstract

The invention provides a high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines, which comprises the following steps: firstly, inserting an outer decryption pipeline into a first encryption cylinder, identifying and matching the outer decryption pipeline by a first encryption mechanism, and removing the rotation constraint of the first encryption cylinder by the first encryption mechanism after the first encryption mechanism is successfully matched; then, the outer decryption pipeline is rotated, the outer decryption pipeline drives the encryption cylinder to rotate, the constraint mechanism releases the constraint on the inner decryption pipeline, and the elastic force of the trigger spring drives the inner decryption pipeline to be switched to the extending state; then, the extended decryption inner pipeline is inserted into the encryption cylinder II, the second encryption mechanism identifies and matches the decryption inner pipeline, and after the matching is successful, the second encryption mechanism releases the rotation constraint on the encryption cylinder II; and finally, further rotating the outer decryption pipeline to enable the inner decryption pipeline to drive the second encryption cylinder to rotate and enable the disconnected fluid output mechanism to be switched to be connected, and at the moment, the inserted fluid butt joint mechanism is in butt joint with the fluid output mechanism.

Description

High-safety directional conveying method for chemical high-risk gas or liquid conveying pipeline

Technical Field

The invention relates to the technical field of fluid conveying, in particular to a high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines.

Background

The pipeline transportation is widely applied to water supply, water drainage, gas supply and the like, is also very common in the chemical industry, is used for transporting chemical gas or liquid, does not lack the need for transporting high-risk gas and high-risk liquid in chemical products, and comprises a pipe, a pipe connecting piece, a valve and the like, at present, the common pipe connecting piece comprises a pipe flange connection, a pipe bonding connection, a pipe bell and spigot connection, a pipe hot melting connection, a pipe groove type connection and the like, in order to improve the adaptability and the replaceability of the pipe connecting piece, the pipe connecting piece adopts uniform specification and model, although the convenience of the pipe connection and the butt joint is improved, certain defects exist, especially for the butt joint transportation of the high-risk gas and the high-risk liquid in the chemical industry, if the supply end and the receiving end of the high-risk gas/high-risk liquid are mistakenly connected, extremely serious consequences can occur, even major casualty accidents such as chemical explosion and the like occur, in order to overcome the defects, the invention designs a directional conveying method of chemical high-risk gas or liquid conveying pipelines, which has the advantages of ingenious structure, simple principle, strong safety performance and convenient use and butt joint.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the method for directionally conveying the chemical high-risk gas or liquid conveying pipeline, which has the advantages of ingenious structure, simple principle, strong safety performance and convenience in butt joint.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipeline includes the following steps:

decrypting the outer pipeline;

s1: a user inserts an outer decryption pipeline in the fluid docking mechanism into the first encryption cylinder, the first encryption mechanism identifies and matches the outer decryption pipeline, and after the first encryption mechanism is successfully matched with the outer decryption pipeline, the first encryption mechanism releases the rotation constraint on the first encryption cylinder;

in the decryption process of the first encryption mechanism, the decryption outer pipeline is inserted into the encryption cylinder I, the decryption outer pipeline pushes the sliding column II inserted into the encryption cylinder I, the distance that the sliding column II slides towards the outside along the through hole II is X, the sliding column II pushes the sliding column I to synchronously slide towards the outside along the through hole I, the limiting spring I is gradually compressed, the elastic potential energy is increased, at the moment, the sliding column I is completely arranged in the through hole I, the sliding column II is completely arranged in the through hole II, and the rotation constraint of the sliding column I and the sliding column II on the encryption cylinder I is released;

the outer decryption pipeline comprises a decryption cylinder and a screw thread end cover, wherein the decryption cylinder is positioned at one end of the outer decryption pipeline, the screw thread end cover is positioned at the other end of the outer decryption pipeline, the screw thread end cover is connected and matched with a high-risk gas or liquid screw thread, the diameter of the decryption cylinder is matched with the inner diameter of the first encryption cylinder, a first guide groove parallel to the axial direction of the first decryption cylinder is formed in the outer circular surface of the first decryption cylinder, and sawtooth-shaped bulges matched with the second sliding columns one by one are arranged in;

(II) decrypting the extension stage of the inner pipeline;

s2: the decryption outer pipeline is rotated, the decryption outer pipeline drives the encryption cylinder I to rotate, the clamping trigger mechanism enables the constraint mechanism to release the constraint on the decryption inner pipeline, and the elastic potential energy of the spring is triggered to be released and drives the decryption inner pipeline to be switched to an extending state;

the diameter of the decryption inner pipeline is matched with that of the encryption cylinder two phase, a sealed sliding guide fit along the axial direction of the decryption inner pipeline and the decryption outer pipeline is formed between the decryption inner pipeline and the decryption outer pipeline, the decryption inner pipeline extends out of the decryption cylinder from the decryption outer pipeline, an external step III is arranged at one end, close to the screw thread end cover, of the decryption inner pipeline, an internal step III matched with the external step three phase is arranged at one end, away from the screw thread end cover, of the decryption inner pipeline, an internal limiting groove is formed in the inner circular surface of the decryption cylinder, an external limiting bulge is arranged on the outer circular surface of the decryption inner pipeline, the external limiting bulge is located at one end, close to the decryption outer pipeline, of the decryption cylinder, the external limiting bulge is clamped in the internal limiting groove;

(III) a decryption-in-pipe decryption stage;

s3: the extended decryption inner pipeline is inserted into the encryption cylinder II, the second encryption mechanism identifies and matches the decryption inner pipeline, and after the matching is successful, the second encryption mechanism releases the rotation constraint on the encryption cylinder II;

during the decryption process of the second encryption mechanism by the decryption inner pipeline, the decryption inner pipeline slides towards the outside of the decryption outer pipeline and is inserted into the encryption cylinder II, the magnets I and the magnetic heads are matched one by one for identification, after the identification is successful, the repulsive force of the magnets I and the magnetic heads I drives the sliding columns V to slide towards the outside of the through holes V for a distance equal to Y, the sliding columns V drive the sliding columns III to move synchronously, the sliding columns V are completely arranged in the through holes V, meanwhile, the magnets II and the magnetic heads II are matched one by one for identification, after the identification is successful, the attractive force of the magnets II and the magnetic heads II drives the sliding columns six to slide towards the inside of the through holes six for a distance equal to Z, the sliding columns six drive the sliding columns IV to move synchronously, the sliding columns IV are completely arranged in the through holes IV, and the sliding columns six are completely arranged in the through holes six, at the moment, the second encryption mechanism releases the rotation constraint of the second encryption cylinder;

(IV) a pipeline butt joint connection stage;

s4: further rotating the outer decryption pipeline to enable the inner decryption pipeline to drive the second encryption cylinder to rotate and enable the disconnected fluid output mechanism to be switched to be conducted, at the moment, the inserted fluid butt joint mechanism is in butt joint with the fluid output mechanism, and high-risk gas or liquid flows from the supply end to the receiving end;

in the working process of the fluid output mechanism, when the first encryption mechanism identifies and matches the decryption outer pipeline and the second encryption mechanism identifies and matches the decryption inner pipeline successfully, the decryption inner pipeline inserted into the encryption cylinder II is in butt joint with the connecting pipe, at the moment, the decryption outer pipeline is rotated to drive the decryption inner pipeline to rotate synchronously, the decryption inner pipeline drives the encryption cylinder II to rotate, the encryption cylinder II drives the sealing plug to rotate synchronously and enables the guide hole I and the guide hole I to be in butt joint with each other, at the moment, the fluid output mechanism is conducted inside, and the fluid output mechanism is in butt joint with the fluid butt joint mechanism.

Compared with the prior art, the butt joint device has the advantages of ingenious structure, simple principle, strong safety performance and convenience in use and butt joint, the butt joint interface is subjected to encryption processing, only when the butt joint matched with the interface is inserted, the butt joint interface is used for identifying and matching the butt joint, the pipeline is communicated after the butt joint is successfully matched, if the butt joint is not matched, the pipeline cannot be communicated, the misconnection of the supply end and the receiving end of high-risk gas/high-risk liquid is effectively avoided, and the safety of chemical pipeline conveying butt joint is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the docking interface.

Fig. 4 is a schematic structural diagram of the docking interface.

Fig. 5 is a schematic structural view of a butt joint.

Fig. 6 is a schematic structural view of a butt joint.

Fig. 7 is an exploded view of the docking interface.

Fig. 8 is a schematic structural view of the fluid output mechanism.

Fig. 9 is a schematic structural view of the fluid output mechanism.

Fig. 10 is a schematic structural view of the fluid output mechanism.

Fig. 11 is a diagram showing the fluid delivery mechanism.

Fig. 12 is a partial cross-sectional view of a fluid delivery mechanism.

Fig. 13 is a partial cross-sectional view of a fluid delivery mechanism.

Fig. 14 is a partial configuration diagram of the first encryption mechanism.

Fig. 15 is a partial configuration diagram of the first encryption mechanism.

Fig. 16 is a schematic structural diagram of the first encryption mechanism.

Fig. 17 is a partial structural view of the grip trigger mechanism.

Fig. 18 is a partial structural view of the grip trigger mechanism.

Fig. 19 is a partial structural view of the grip trigger mechanism.

Fig. 20 is a schematic structural view of the operating state of the clamp trigger mechanism.

Fig. 21 is a partial structural view of the grip trigger mechanism.

Fig. 22 is a partial structural view of the grip trigger mechanism.

Fig. 23 is a partial configuration diagram of the second encryption mechanism.

Fig. 24 is a partial configuration diagram of the second encryption mechanism.

Fig. 25 is a schematic structural view of the second encryption mechanism.

Fig. 26 is a schematic structural diagram of the second encryption mechanism.

Fig. 27 is a partial configuration diagram of the second encryption mechanism.

Fig. 28 is a schematic structural view of the clamping mechanism.

Fig. 29 is a schematic view of the internal structure of the fluid docking mechanism.

Fig. 30 is a cross-sectional view of a fluid docking mechanism.

Fig. 31 is a cross-sectional view of a fluid docking mechanism.

Fig. 32 is a cross-sectional view of a fluid docking mechanism.

Fig. 33 is a partial structural view of the restraint mechanism.

Fig. 34 is a partial structural view of the restraint mechanism.

Detailed Description

decrypting the outer pipeline;

s1: a user inserts the outer decryption pipeline 211 in the fluid docking mechanism 210 into the first encryption cylinder 120, the first encryption mechanism 150 identifies and matches the outer decryption pipeline 211, and after the matching is successful, the first encryption mechanism 150 releases the rotation constraint on the first encryption cylinder 120;

in the decryption process of the first encryption mechanism 150, the decryption outer pipeline 211 is inserted into the first encryption cylinder 120, the decryption outer pipeline 211 pushes against the second sliding column 153 inserted into the first encryption cylinder 120, the distance that the second sliding column 153 slides outwards along the second through hole 152 is X, the second sliding column 153 pushes the first sliding column 154 to synchronously slide outwards along the first through hole 151, the first limiting spring 156 is gradually compressed and the elastic potential energy is increased, at the moment, the first sliding column 154 is completely arranged in the first through hole 151, the second sliding column 153 is completely arranged in the second through hole 152, and the first sliding column 154 and the second sliding column 153 release the rotation constraint of the first encryption cylinder 120;

the outer decryption pipeline 211 comprises a decryption cylinder 212 and a screw thread end cover 213, the decryption cylinder 212 is positioned at one end of the decryption pipeline, the screw thread end cover 213 is positioned at the other end of the decryption pipeline, the screw thread end cover 213 is in threaded connection and matching with high-risk gas or liquid, the diameter of the decryption cylinder 212 is matched with the inner diameter of the first encryption cylinder 120, a first guide groove 214 parallel to the axial direction of the decryption cylinder 212 is formed in the outer circular surface of the decryption cylinder 212, and saw-toothed protrusions 215 matched with the second sliding columns 153 in a one-to-one mode are arranged;

(II) decrypting the extension stage of the inner pipeline;

s2: the decryption outer pipeline 211 is rotated, the decryption outer pipeline 211 drives the first encryption cylinder 120 to rotate, the clamping trigger mechanism 170 enables the constraint mechanism 220 to release the constraint on the decryption inner pipeline 216, and the elastic potential energy of the trigger spring 230 is released and drives the decryption inner pipeline 216 to be switched to an extending state;

the diameter of the decryption inner pipeline 216 is matched with that of the second encryption cylinder 130, a sealed sliding guide fit along the axial direction of the decryption inner pipeline 216 and the decryption outer pipeline 211 is formed, the decryption inner pipeline 216 extends into the decryption cylinder 212 from the decryption outer pipeline 211, an external step III is arranged at one end, close to the screw thread end cover 213, of the decryption inner pipeline 216, an internal step III matched with the external step three is arranged at one end, away from the screw thread end cover 213, of the decryption inner pipeline 216, an internal limiting groove is formed in the inner circular surface of the decryption cylinder 212, an external limiting bulge is arranged on the outer circular surface of the decryption inner pipeline 216, the external limiting bulge is located at one end, close to the decryption outer pipeline 211, of the decryption cylinder 212, and the external limiting bulge is clamped in the internal limiting groove and can slide along the axial direction of the decryption outer pipeline;

(III) a decryption-in-pipe decryption stage;

s3: the extended decryption inner pipeline 216 is inserted into the second encryption cylinder 130, the second encryption mechanism 160 identifies and matches the decryption inner pipeline 216, and after the matching is successful, the second encryption mechanism 160 releases the rotation constraint on the second encryption cylinder 130;

during the process that the decryption inner pipeline 216 decrypts the second encryption mechanism 160, the decryption inner pipeline 216 slides towards the outside of the decryption outer pipeline 211 and is inserted into the encryption cylinder II 130, the first magnet 217 and the first magnetic head 164 are matched in a one-to-one correspondence manner to identify, after identification is successful, the repulsion force of the first magnet 217 and the first magnetic head 164 drives the sliding column five 163b to slide towards the outside of the through hole five 162a by a distance equal to Y, the sliding column five 163b drives the sliding column three 163a to move synchronously, so that the sliding column three 163a is completely arranged in the through hole three 161a, the sliding column five 163b is completely arranged in the through hole five 162a, meanwhile, the second magnet 218 and the second magnetic head 168 are matched in a one-to-one correspondence manner to identify, after identification is successful, the attraction force of the second magnet 218 and the second magnetic head 168 drives the sliding column six 166b to slide towards the inside of the through hole six 162b by a distance equal to Z, the sliding column six, the fourth sliding column 166a is completely arranged in the fourth through hole 161b, and the sixth sliding column 166b is completely arranged in the sixth through hole 162b, at this time, the second encryption mechanism 160 releases the rotation restriction on the second encryption cylinder 130;

(IV) a pipeline butt joint connection stage;

s4: further rotating the outer decryption pipeline 211 to enable the inner decryption pipeline 216 to drive the second encryption cylinder 130 to rotate and enable the disconnected fluid output mechanism 140 to be switched on, at this time, the inserted fluid docking mechanism 210 is docked and connected with the fluid output mechanism 140, and high-risk gas or liquid flows from the supply end to the receiving end;

the fluid output mechanism 140 comprises a screw thread cylinder body 141 fixedly connected with the fixed cylinder 110 and a sealing end cover 142 fixedly connected with the fixed cylinder 110, the screw thread cylinder body 141 and the sealing end cover 142 form a closed inner cavity and are fixedly connected with the fixed cylinder 110, the screw thread cylinder body 141 and high-risk gas or liquid are in screw thread connection and matching through a supply end, an output conduit 143 which is coaxially arranged with the second encryption cylinder 130 and communicated with the inner cavity is movably arranged on the sealing end cover 142, the output conduit 143 is in sealing rotary connection and matching with the sealing end cover 142, a connecting pipe 148 is arranged between the output conduit 143 and one end of the second encryption cylinder 130 departing from the first encryption cylinder 120, one end of the connecting pipe 148 is coaxially and fixedly communicated with the output conduit 143, the other end of the connection pipe 148 is fixedly connected with one end of the second encryption cylinder 130, which is far away from the first encryption cylinder 120, and the end of the connection pipe is used for being in butt joint communication with the fluid butt joint mechanism 210, the connection pipe 148 and the second encryption cylinder 130 are coaxially arranged, and the connection pipe 148 movably penetrates through the protective shell 111;

the sealing cover plate 142 is fixedly provided with a sealing ring 144 coaxially arranged with the second encryption cylinder 130 near one end face of the inner cavity of the sealing cover plate 142, the outer circular face of the sealing ring 144 is provided with a first guide hole 145, the first guide hole 145 is provided with a plurality of guide holes and is arranged in an array along the circumferential direction of the sealing ring 144, preferably, the first guide holes 145 are provided with four guide holes, the sealing ring 144 is coaxially provided with a cylindrical sealing plug 146 for sealing the first guide holes 145, the sealing plug 146 is in sealed rotating connection and matching with the sealing ring 144, the sealing plug 146 is arranged in a hollow mode and is fixedly connected and communicated with the output conduit 143, the outer circular face of the sealing plug 146 is provided with a second guide hole 147 communicated with the inner portion of the sealing plug 146, the second guide holes 147 are provided with a plurality of guide holes and are matched with the first guide holes 145 one;

during the operation of the fluid output mechanism 140, when the first encryption mechanism 150 successfully identifies and matches the decryption outer pipe 211 and the second encryption mechanism 160 successfully identifies and matches the decryption inner pipe 216, the decryption inner pipe 216 inserted into the second encryption cylinder 130 will be connected to the connection pipe 148 in a butt joint manner, at this time, the decryption outer pipe 211 is rotated to drive the decryption inner pipe 216 to rotate synchronously, the decryption inner pipe 216 drives the second encryption cylinder 130 to rotate, the second encryption cylinder 130 drives the sealing plug 146 to rotate synchronously and make the first guide hole 145 and the second guide hole 147 aligned and connected to each other, at this time, the fluid output mechanism 140 is internally conducted, and the fluid output mechanism 140 is connected to the fluid docking mechanism 210 in a butt joint manner.

The encryption butt-joint device applied to chemical high-risk gas or liquid pipeline transportation comprises a butt-joint interface 100 connected and communicated with a supply end and a butt-joint connector 200 connected and communicated with a receiving end, wherein the butt-joint interface 100 comprises a fixed cylinder 110 with openings at two ends, a first encryption cylinder 120 and a second encryption cylinder 130 coaxially sleeved inside the fixed cylinder 110 in a rotating manner, a first encryption mechanism 150 used for restricting the rotation of the first encryption cylinder 120 is arranged between the fixed cylinder 110 and the first encryption cylinder 120, a second encryption mechanism 160 used for restricting the rotation of the second encryption cylinder 130 is arranged between the fixed cylinder 110 and the second encryption cylinder 130, a disconnected fluid output mechanism 140 is fixedly arranged at one end of the fixed cylinder 110, which is far away from the first encryption cylinder 120, and the fluid output mechanism 140 can be conducted through the rotation of the second encryption cylinder 130, the butt-joint connector 200 comprises a fluid butt-joint mechanism 210, a restriction mechanism 220 and a firing spring 230, the fluid butt-, The decryption inner pipeline 216 is slidably sleeved inside the decryption outer pipeline 211 and can be switched between a retracted state and an extended state, the constraint mechanism 220 overcomes the elastic force of the trigger spring 230 to constrain the decryption inner pipeline 216 in the retracted state, the decryption outer pipeline 211 is matched with the first encryption mechanism 150 to enable the first encryption cylinder 120 to rotate and enable the constraint mechanism 220 to release the constraint on the decryption inner pipeline 216, the trigger spring 230 is used for driving the decryption inner pipeline 216 to be switched to the extended state, and the decryption inner pipeline 216 is matched with the second encryption mechanism 160 to enable the second encryption cylinder 130 to rotate and enable the fluid output mechanism 140 to be switched from off to on.

When the user uses the butt joint process, the user inserts the outer decryption pipeline 211 into the first encryption cylinder 120, the first encryption mechanism 150 identifies and matches the outer decryption pipeline 211, after the matching is successful, the first encryption mechanism 150 releases the rotational constraint on the first encryption cylinder 120, rotates the outer decryption pipeline 211, the outer decryption pipeline 211 drives the first encryption cylinder 120 to rotate and enables the constraint mechanism 220 to release the constraint on the inner decryption pipeline 216, the elastic potential energy of the trigger spring 230 is released and drives the inner decryption pipeline 216 to be switched to the extended state, the inner decryption pipeline 216 in the extended state is inserted into the second encryption cylinder 130, the second encryption mechanism 160 identifies and matches the inner decryption pipeline 216, after the matching is successful, the second encryption mechanism 160 releases the rotational constraint on the second encryption cylinder 130, the outer decryption pipeline 211 is further rotated, the inner decryption pipeline 216 drives the second encryption cylinder 130 to rotate and enables the disconnected fluid output mechanism 140 to be switched to be on, at this time, the inserted fluid docking mechanism 210 is docked and connected with the fluid output mechanism 140, and the high-risk gas or liquid flows from the supply end to the receiving end, if the first encryption mechanism 150 cannot identify the decryption outer pipeline 211 or the second encryption mechanism 160 cannot identify the decryption inner pipeline 216, the fluid output mechanism 140 cannot be docked with the fluid docking mechanism 210, so as to avoid errors in docking and transporting the high-risk gas or liquid.

Specifically, in order to protect the first encryption mechanism 150 and the second encryption mechanism 160 and prevent them from being damaged by external force, the outer portion of the fixed cylinder 110 is covered with the protective shell 111 fixed thereto, the first encryption cylinder 120 and the second encryption cylinder 130 are in contact with each other, and a coaxial ring connecting the two is disposed on the outer circumferential surface of the contact end.

The fluid output mechanism 140 comprises a screw thread cylinder body 141 fixedly connected with the fixed cylinder 110 and a sealing end cover 142 fixedly connected with the fixed cylinder 110, the screw thread cylinder body 141 and the sealing end cover 142 form a closed inner cavity and are fixedly connected with the fixed cylinder 110, the screw thread cylinder body 141 and high-risk gas or liquid are in screw thread connection and matching through a supply end, an output conduit 143 which is coaxially arranged with the second encryption cylinder 130 and communicated with the inner cavity is movably arranged on the sealing end cover 142, the output conduit 143 is in sealing rotary connection and matching with the sealing end cover 142, a connecting pipe 148 is arranged between the output conduit 143 and one end of the second encryption cylinder 130 departing from the first encryption cylinder 120, one end of the connecting pipe 148 is coaxially and fixedly communicated with the output conduit 143, the other end of the second encryption cylinder 130 is fixedly connected with the end, away from the first encryption cylinder 120, of the second encryption cylinder 130 and is used for being in butt joint communication with the fluid butt joint mechanism 210, the connecting pipe 148 is coaxially arranged with the second encryption cylinder 130, and the connecting pipe 148 movably penetrates through the protective shell 111.

Specifically, in order to enable the fluid output mechanism 140 to be switched between disconnection and conduction, the sealing cover plate 142 is fixedly provided with a sealing ring 144 coaxially arranged with the second encryption cylinder 130 near one end face of the inner cavity thereof, the outer circumferential surface of the sealing ring 144 is provided with a first guide hole 145, the first guide hole 145 is provided with a plurality of sealing holes and is arranged in an array along the circumferential direction of the sealing ring 144, preferably, the first guide hole 145 is provided with four sealing plugs 146, the sealing ring 144 is coaxially provided with a cylindrical sealing plug 146 for sealing the first guide hole 145, the sealing plug 146 is in sealed rotating connection and matching with the sealing ring 144, the sealing plug 146 is arranged in a hollow manner and is fixedly connected and communicated with the output conduit 143, the outer circumferential surface of the sealing plug 146 is provided with a second guide hole 147 communicated with the interior thereof, the second guide hole 147 is provided with a plurality of sealing holes and is matched with the first guide holes 145 one, 30 degrees < V <60 degrees, preferably V is equal to 45 degrees, the rotation of the encryption cylinder II 130 drives the sealing plug 146 to rotate, so that the guide hole I145 and the guide hole II 147 are in butt joint communication, and the conduction of the fluid output mechanism 140 is realized.

More specifically, in order to improve the stability of the connecting pipe 148 and the coaxiality of the connecting pipe 148 and the output conduit 143, the protective casing 111 is fixedly provided with a fixing sleeve 149 coaxially arranged with the second encryption cylinder 130, and the fixing sleeve 149 is sleeved outside the connecting pipe 148 and is in rotational connection and matching with the connecting pipe 148.

During the operation of the fluid output mechanism 140, when the first encryption mechanism 150 successfully identifies and matches the decryption outer pipe 211 and the second encryption mechanism 160 successfully identifies and matches the decryption inner pipe 216, the decryption inner pipe 216 inserted into the second encryption cylinder 130 will be connected to the connection pipe 148 in a butt joint manner, at this time, the decryption outer pipe 211 is rotated to drive the decryption inner pipe 216 to rotate synchronously, the decryption inner pipe 216 drives the second encryption cylinder 130 to rotate, the second encryption cylinder 130 drives the sealing plug 146 to rotate synchronously and make the first guide hole 145 and the second guide hole 147 aligned and connected to each other, at this time, the fluid output mechanism 140 is conducted inside, the fluid output mechanism 140 is connected to the fluid docking mechanism 210 in a butt joint manner, and the docking interface 100 is docked with the docking connector 200.

In order to enable the first encryption mechanism 150 to restrain the rotation of the first encryption cylinder 120 and release the rotation restraint of the first encryption cylinder 120 when the matched decryption outer pipeline 211 is inserted, the inner circular surface of the fixed cylinder 110 is attached to the outer circular surface of the first encryption cylinder 120, the first encryption mechanism 150 comprises a first through hole 151 which is arranged on the fixed cylinder 110 and penetrates through the fixed cylinder in the radial direction, a second through hole 152 which is arranged on the first encryption cylinder 120 and penetrates through the first encryption cylinder in the radial direction, a first sliding column 154 which can slide along the axial direction is arranged in the first through hole 151, a second sliding column 153 which can slide in the radial direction is arranged in the second through hole 152, the diameters of the first through hole 151 and the second through hole 152 are equal, the first sliding column 154 and the second sliding column 153 are attached to each other by approaching to one end surfaces and are arranged to be arc surfaces matched with the outer circular surface of the first encryption cylinder 120, the distance from the first sliding column 154 to the second through hole 152 in the initial state is X, and the distance that the second sliding column 153 is inserted into the first encryption cylinder 120 is X, the second sliding column 153 and the first sliding column 154 slide outward along the radial direction of the first encryption cylinder 120 by pushing against the second sliding column 153 and the first sliding column 154 to move X, so that the second sliding column 153 and the first sliding column 154 release the rotation restriction on the first encryption cylinder 120, and in order to facilitate pushing against the second sliding column 153, one end of the second sliding column 153, which extends into the first encryption cylinder 120, is set to be a round head 153 a.

Specifically, in order to avoid the sliding column two 153 from sliding down into the second inner cylinder 120, a first built-in step is arranged in the through hole two 152, a first external step adapted to the first built-in step is arranged on the outer circumferential surface of the sliding column two 154, and the first built-in step and the first external step are matched with each other to restrain the sliding column two 153.

More specifically, an opening of one end of the first through hole 151, which is away from the first encryption cylinder 120, is provided with a plug screw 155 which is in threaded connection and matched with the first through hole 151, a first limit spring 156 is arranged in the first through hole 151, one end of the first limit spring 156 abuts against the plug screw 155, the other end of the first limit spring 156 abuts against the first sliding column 154, and the elastic force of the first limit spring 156 is always directed to the first sliding column 154 by the plug screw 155.

In order to increase the encoding complexity of the first encryption mechanism 150 and improve the mechanical encryption performance of the first encryption mechanism 150, the first through hole 151 is provided with a plurality of through holes parallel to the axial direction of the fixed cylinder 110, the second through hole 152 is provided with a plurality of through holes parallel to the axial direction of the first encryption cylinder 120, the second through hole 152 corresponds to the first through hole 151 in a one-to-one manner, preferably, the first through hole 151 and the second through hole 152 are provided with four through holes, the distance that each group of the first sliding columns 154 is inserted into the second through holes 152 and the distance X that the second sliding columns 153 are inserted into the first encryption cylinder 120 can be freely set synchronously, the first encryption mechanism 150 is provided with a plurality of groups and is arranged in an array manner along the circumferential direction of the fixed cylinder 110.

In the decryption process of the first encryption mechanism 150, the decryption outer pipeline 211 is inserted into the first encryption cylinder 120, the decryption outer pipeline 211 pushes the second sliding column 153 inserted into the first encryption cylinder 120 against each other, the distance that the second sliding column 153 slides outwards along the second through hole 152 is X, the second sliding column 153 pushes the first sliding column 154 to synchronously slide outwards along the first through hole 151, the first limiting spring 156 is gradually compressed and the elastic potential energy is increased, at the moment, the first sliding column 154 is completely arranged in the first through hole 151, the second sliding column 153 is completely arranged in the second through hole 152, and the first sliding column 154 and the second sliding column 153 release the rotation constraint of the first encryption cylinder 120.

In order to decrypt the first encryption mechanism 150, the outer decryption pipeline 211 comprises a decryption cylinder 212 coaxial with one end thereof, a threaded end cover 213 coaxial with the other end thereof, and the threaded end cover 213 is in threaded connection with high-risk gas or liquid, the diameter of the decryption cylinder 212 is matched with the inner diameter of the first encryption cylinder 120, in order to press the round head 153a and to cause the sliding column two 153 to move outward by a displacement X, the outer circular surface of the decryption cylinder 212 is provided with a first guide groove 214 parallel to the axial direction of the decryption cylinder, the first guide groove 214 is internally provided with saw-toothed protrusions 215 matched with the second sliding columns 153 one by one, the second sliding column 153 is pushed by the saw-toothed protrusion 215 and the pushing displacement is equal to the distance X that it extends into the first encryption cylinder 120, thereby, the sliding column one 154 and the sliding column two 153 release the rotation of the encryption cylinder one 120, and the decryption of the first encryption mechanism 150 is completed.

Specifically, in order to guide the alignment of the sawtooth-shaped protrusions 215 and the second sliding columns 153, the inner circular surface of the first encryption cylinder 120 is provided with guide protrusions 157 matched with the first guide grooves 215, and the guide protrusions 157 are arranged in parallel to the axial direction of the first encryption cylinder 120 and aligned with the second through holes 152.

The diameter of the decryption inner pipeline 216 is matched with that of the second encryption cylinder 130, the decryption inner pipeline 216 and the decryption outer pipeline 211 form sealed sliding guide fit along the axial direction of the decryption inner pipeline 216, the decryption inner pipeline 216 extends out of the decryption outer pipeline 211 into the decryption cylinder 212, in order to avoid the falling-off between the inner decryption pipeline 216 and the outer decryption pipeline 211, an external step three is arranged at one end of the inner decryption pipeline 216 close to the screw end cover 213, the end of the inner decryption pipeline 216 away from the threaded end cover 213 is provided with a third built-in step which is matched with the third built-out step in three phases, in order to enable the outer decryption pipeline 211 to drive the inner decryption pipeline 216 to rotate, an inner circumferential surface of the decryption cylinder 212 is provided with a built-in limiting groove, an external limiting bulge is arranged on the outer circular surface of the decryption inner pipeline 216, the external limiting bulge is positioned at one end, close to the decryption outer pipeline 211, of the decryption cylinder 212, the external limiting bulge is clamped in the internal limiting groove, and the external limiting bulge and the internal limiting groove can slide along the axial direction of the decryption outer pipeline 211.

In order to enable the decryption inner pipeline 216 to slide towards the outside of the decryption outer pipeline 211 and switch to an extended state, the trigger spring 230 is located in the decryption outer pipeline 211, one end of the trigger spring 230 abuts against the screw thread end cover 213, the other end of the trigger spring abuts against the decryption inner pipeline 216, and the elastic force of the trigger spring 230 always points to the decryption inner pipeline 216 through the screw thread rod 213, in an initial state, in order to constrain the decryption inner pipeline 216 in the decryption outer pipeline 211, the constraint mechanism 220 comprises two mounting grooves which are arranged on the outer circumferential surface of the decryption inner pipeline 216 along the axial middle position thereof and are arranged along the radial direction thereof, the mounting grooves are arranged symmetrically along the axial direction of the decryption inner pipeline 216, constraint blocks 221 which can float along the groove depth direction thereof are arranged in the mounting grooves, the constraint mechanism 220 further comprises an annular groove 223 which is coaxially arranged on the outer circumferential surface of one end of the decryption cylinder 212 close to the decryption outer pipeline, the bottom of the annular groove 223 is provided with two constraint ports 234 which penetrate through the decryption cylinder 212, the two constraint ports 234 are in one-to-one correspondence with the constraint blocks 221, the constraint blocks 221 are inserted into the constraint ports 234 in an initial state, constraint springs 222 are arranged in the installation grooves, one ends of the constraint springs 222 are fixedly connected with the bottom of the installation grooves, the other ends of the constraint springs 222 are fixedly connected with the constraint blocks 221, the constraint blocks 221 are pushed against the constraint blocks 221 to overcome the elastic force of the constraint springs 222 to float towards the inside of the installation grooves, the constraint blocks 221 are separated from the constraint ports 234, and the constraint of the decryption inner pipeline 216 extending outwards is relieved.

When the first encryption cylinder 120 rotates, in order to push the restraining block 221 to float towards the installation groove, a clamping trigger mechanism 170 for driving the constraint block 221 to float towards the bottom of the mounting groove is arranged between the fixed cylinder 110 and the first encryption cylinder 120, the clamping trigger mechanism 170 comprises an annular boss 174 coaxially arranged at one end of the fixed cylinder 110, which is far away from the second encryption cylinder 130, an inner sunken groove 175 is coaxially arranged at one end of the annular boss 174, which is far away from the fixed cylinder 110, a guide sliding groove 176 is arranged at the bottom of the inner sunken groove 175, the guide sliding groove 176 comprises a trigger section and a transition section which are communicated end to end, the distance between the trigger section and the central axis of the fixed cylinder 110 is gradually reduced along the clockwise rotation, the transition section is provided in an arc structure coaxially arranged with the fixed cylinder 110, and the head of the transition section is connected to the tail of the trigger section in the clockwise direction, and the guide sliding grooves 176 are provided in two and are formed in central symmetry along the central axis of the fixed cylinder 110.

The clamping trigger mechanism 170 further comprises a clamping sliding groove 171 which is formed in one end of the first encryption cylinder 120, which is away from the fluid output mechanism 140, the clamping sliding groove 171 is arranged along the radial direction of the first encryption cylinder 120, the clamping sliding grooves 171 are arranged symmetrically along the axial direction of the first encryption cylinder 120, a clamping block 172 is arranged in the clamping sliding groove 171 and forms a sliding guide fit along the radial direction of the fixed cylinder 110, a sliding protrusion 173 is fixedly arranged on the clamping block 172, the sliding protrusion 173 extends into the guiding sliding groove 176 and forms a sliding guide fit along the guiding direction of the guiding sliding groove 176, in an initial state, the sliding protrusion 173 is positioned at the head of the triggering section of the guiding sliding groove 176, the clamping block 172 is flush with the inner circular surface of the first encryption cylinder 120, when the decryption outer pipeline 211 is combined with the first encryption cylinder 120, the clamping block 172 is aligned with the socket 244 and is used for pushing the restraining block 221, so as to avoid the separation between the clamping, the notch of the inner sunken groove 122 is provided with a limit cover 177 for sealing the inner sunken groove.

The decryption cylinder 212 is matched with the first encryption mechanism 150 to rotate the first encryption cylinder 120 and switch the inner decryption pipeline 216 to the extended state, which is specifically shown in the following steps that the decryption cylinder 212 is inserted into the first encryption cylinder 120, the sawtooth-shaped protrusions 215 on the decryption sleeve 212 release the rotational constraint of the first sliding column 154 and the second sliding column 153 on the fixed cylinder 110 and the first encryption cylinder 120, at the moment, the outer decryption pipeline 211 is rotated clockwise to drive the first encryption cylinder 120 to rotate synchronously, the first encryption cylinder 120 drives the clamping blocks 172 to rotate synchronously, the clamping blocks 172 drive the sliding protrusions 173 to rotate synchronously, the sliding protrusions 173 slide along the triggering sections of the guide sliding chutes 176, the guide sliding chutes 176 are matched with the sliding protrusions 173 to enable the two clamping blocks 172 to slide close to each other along the radial direction of the first encryption cylinder 120, the clamping blocks 172 are inserted into the constraint ports 234 and push the constraint blocks 221, the constraint blocks 221 overcome the elastic force of the constraint springs 222 and float towards the bottom of the installation grooves, the constraint block 221 is disengaged from the constraint port 234, at this time, the constraint block 221 releases the constraint on the decryption inner pipe 216, the elastic potential energy of the firing spring 230 is gradually released and pushes the decryption inner pipe 216 to slide outwards along the decryption outer pipe 211, and the decryption inner pipe 216 is switched to the extended state and inserted into the second encryption cylinder 130.

In order to make the second encryption mechanism 160 restrain the rotation of the second encryption cylinder 130 and make the second encryption mechanism 160 release the rotation restraint of the second encryption cylinder 130 when the decryption inner pipeline 216 matched with the second encryption mechanism is inserted into the second encryption cylinder 130, for this purpose, the inner circular surface of the fixed cylinder 110 is attached to the outer circular surface of the second encryption cylinder 130, the second encryption mechanism 160 includes a through hole third 161a and a through hole fourth 161b which are opened at the outer part of the fixed cylinder 110 and penetrate through to the inner part thereof, the axial directions of the through hole third 161a and the through hole fourth 161b are parallel to each other and are all arranged along the radial direction of the fixed cylinder 110, the second encryption mechanism 160 further includes a through hole fifth 162a and a through hole sixth 162b which are opened at the outer part of the second encryption cylinder 130 and penetrate through to the inner part thereof, the axial directions of the through hole fifth 162a and the through hole sixth 162b are parallel to each other and are all arranged along the radial direction of the second encryption cylinder 130, one end of the through hole fifth 162a and the through, the diameter of the third through hole 161a is equal to that of the fifth through hole 162a, the diameter of the fourth through hole 161b is equal to that of the sixth through hole 162b, and in the initial state, the third through hole 161a coaxially corresponds to the fifth through hole 162a, and the fourth through hole 161b coaxially corresponds to the sixth through hole 162 b.

In order to restrict the rotation of the second encryption cylinder 130, a third sliding column 163a capable of sliding along the axial direction is arranged in the third through hole 161a, a fifth sliding column 163b capable of sliding along the axial direction is arranged in the fifth through hole 162a, one end faces, close to each other, of the third sliding column 163a and the fifth sliding column 163b are mutually attached and are both arranged to be arc-shaped faces matched with the outer circular face of the second encryption cylinder 130, in an initial state, the distance from the fifth sliding column 163b to the second encryption cylinder 130 is Y, the distance from the third sliding column 163a to the fifth through hole 162 is Y, a plug screw 155 in threaded connection and matching with the third through hole 161a is also arranged at an opening of one end of the third through hole 161a and the fourth through hole 161b, a second limit spring 165 is arranged in the third through hole 161a, one end of the second limit spring 165 abuts against the plug screw 155, the other end abuts against the third sliding column 163a, and the elastic force of the second limit spring 165 always points, the built-in step two in the through hole five 162a is used for restricting and limiting the sliding column five 163b, one end, close to the inside of the encryption cylinder two 130, of the sliding column five 163b is fixedly provided with a cylindrical magnetic head one 164, in order to enable the encryption cylinder two 130 to rotate, the sliding column three 163a needs to be completely arranged in the through hole three 161a and the sliding column five 163b needs to be completely arranged in the through hole five 162a, for this reason, a first magnet 217 is embedded on the outer circular surface of the decryption inner pipeline 216, the decryption inner pipeline 216 is inserted into the encryption cylinder two 130, the first magnet 217 and the magnetic head one 164 are mutually repelled close to one end surface, and the displacement of the sliding column five 163b towards the outside of the through hole five 162 is driven to be equal to Y by the magnitude of the.

Specifically, in order to further restrict the rotation of the second encryption cylinder 130, a sliding column four 166a capable of sliding along the axial direction is arranged in the through hole four 161b, a sliding column six 166b capable of sliding along the axial direction is arranged in the through hole six 162b, the sliding column four 166a and the sliding column six 166b are close to one end surface and are respectively arranged into an arc surface matched with the outer circular surface of the second encryption cylinder 130, in an initial state, the distance that the sliding column six 166b extends into the through hole four 161b is Z, a limit spring three 167 is arranged in the through hole six 162b, one end of the limit spring three 167 is abutted against the built-in step two in the through hole six 162, the other end of the limit spring three is abutted against the sliding column six 166b, the elastic force of the limit spring three 167 is always directed to the sliding column six 166b by the built-in step six 162, and one end surface of the sliding column six 166b close to the inside of the second encryption cylinder 130 is provided, in order to enable the encryption cylinder II 130 to rotate, the sliding column IV 166a is required to be completely arranged in the through hole IV 161b and the sliding column VI 166b is required to be completely arranged in the through hole VI 162b, for this reason, the second magnet 218 is embedded on the outer circular surface of the decryption inner pipeline 216, the decryption inner pipeline 216 is inserted into the encryption cylinder II 130, the second magnet 218 and the second magnetic head 168 are close to one end surface and mutually attract, and the displacement of the attractive force driving the sliding column VI 166b towards the inside of the through hole VI 162b is equal to Z.

In order to increase the encoding complexity of the second encryption mechanism 160 and improve the mechanical encryption performance of the second encryption mechanism 160, a plurality of through

holes

161a and 161b are arranged in parallel with the axial direction of the fixed cylinder 110, a plurality of through holes five 162a and a plurality of through holes six 162b are arranged in parallel with the axial direction of the encryption cylinder two 130, the distance that each group of sliding columns five 163b extends into the encryption cylinder two 130 and the distance Y that each group of sliding columns three 163a extends into the through holes five 162a can be synchronously and freely set, the distance Z that each group of sliding columns six 166b extends into the through holes four 161b can be synchronously and freely set, and the second encryption mechanisms 160 are arranged in multiple groups and are arrayed along the circumferential direction of the fixed cylinder 110.

When the decryption inner pipe 216 is inserted into the encryption cylinder two 130, in order to guide the first magnet 217 to be opposite to the first magnetic head 164, the second magnet 218 to be opposite to the second magnetic head 168, and at the same time, the decryption inner pipe 216 can drive the encryption cylinder two 130 to rotate so as to conduct the inside of the fluid output mechanism 140, for this reason, a guide convex strip 169 parallel to the axial direction of the encryption cylinder two 130 is arranged on the inner circular surface of the encryption cylinder two 130, a second guide groove 219a parallel to the axial direction of the decryption inner pipe 216 is formed on the outer circular surface of the decryption inner pipe 216, and the guide convex strip 169 is matched with the second guide groove 219a and is matched with each other to guide the insertion of the decryption inner pipe 216.

During the process that the decryption inner pipeline 216 decrypts the second encryption mechanism 160, the decryption inner pipeline 216 slides towards the outside of the decryption outer pipeline 211 and is inserted into the encryption cylinder two 130, at this time, the first magnets 217 and the first magnetic heads 164 are matched one by one for identification, after the identification is successful, the repulsive force of the first magnets 217 and the first magnetic heads 164 drives the sliding column five 163b to slide towards the outside of the through hole five 162a by a distance equal to Y, the sliding column five 163b drives the sliding column three 163a to move synchronously, so that the sliding column three 163a is completely arranged in the through hole three 161a, the sliding column five 163b is completely arranged in the through hole five 162a, meanwhile, the second magnets 218 and the second magnetic heads 168 are matched one by one, after the identification is successful, the attractive force of the second magnets 218 and the second magnetic heads 168 drives the sliding column six 166b to slide towards the inside of the through hole six 162b by a distance equal to Z, the sliding column six 166b drives the sliding column four 166a to synchronously move, so that the sliding column four 166a is completely arranged in the through hole four 161b, the sliding column six 166b is completely arranged in the through hole six 162b, at this time, the second encryption mechanism 160 releases the rotation restriction on the encryption cylinder two 130, the decryption outer pipeline 211 is further rotated, the decryption inner pipeline 216 drives the encryption cylinder two 130 to synchronously rotate, the encryption cylinder two 130 drives the sealing plug 146 to synchronously rotate and enables the guide hole one 145 to be aligned and communicated with the guide hole two 147, the fluid output mechanism 140 is internally communicated, the decryption inner pipeline 216 is communicated with the connecting pipe 148 in a butt joint mode, and the fluid output mechanism 140 is communicated with the fluid butt joint mechanism 210 in a butt joint mode.

In order to ensure the sealing performance of the butt joint of the decryption inner pipe 216 and the connection pipe 148, an annular butt joint groove matched with the decryption inner pipe 216 is coaxially formed at one end of the connection pipe 148, which is away from the output pipe 143, a sealing gasket is arranged in the butt joint groove, in order to avoid the decryption pipe 216 and the connection pipe 148 from falling off, a clamping mechanism 180 is arranged between the fixed cylinder 110 and the second encryption cylinder 130, the clamping mechanism 180 is positioned at one end of the second encryption cylinder 130, which is away from the first encryption cylinder 120, the structure of the clamping mechanism 180 is the same as the structure principle of the clamping trigger mechanism 170, which is not described in detail, a clamping groove 219b matched with the clamping mechanism 180 is formed on the outer circumferential surface of the butt joint end of the decryption inner pipe 216 and the connection pipe 148, the clamping mechanism 180 is combined with the clamping groove 219b through the rotation of the second encryption cylinder, on the other hand, decryption inner pipe 216 can be tightly combined with connection pipe 148.

In the process of butt joint of the fluid output mechanism 140 and the fluid butt joint mechanism 210, the decryption cylinder 212 on the decryption outer pipeline 211 is inserted into the first encryption cylinder 120, the first encryption mechanism 150 releases the rotation restriction on the first encryption cylinder 120, the decryption outer pipeline 211 rotates to drive the first encryption cylinder 120 to rotate synchronously, the clamping trigger mechanism 170 triggers the restriction mechanism 220 to release the restriction on the decryption inner pipeline 216, the trigger spring 230 pushes the decryption inner pipeline 216 to be switched to the extended state and inserted into the second encryption cylinder 130, at the moment, the decryption inner pipeline 216 is in butt joint with the connecting pipe 148, the second encryption mechanism 160 releases the rotation restriction on the second encryption cylinder 130, the decryption inner pipeline 216 drives the second encryption cylinder 130 to rotate synchronously, so that the first guide hole 145 is in butt joint with the second guide hole 147, the fluid output mechanism 140 is communicated internally, the fluid output mechanism 140 is successfully butt joint with the fluid butt joint mechanism 210, and high-risk gas or liquid flows from a supply end to, the safety of using high-risk gas or liquid is improved, and the chemical safety problem caused by the error connection of the butt joint 100 and the butt joint interface 200 is avoided.

Claims

1. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipeline includes the following steps:

decrypting the outer pipeline;

(II) decrypting the extension stage of the inner pipeline;

(III) a decryption-in-pipe decryption stage;

(IV) a pipeline butt joint connection stage;

2. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines according to claim 1, wherein the fluid output mechanism comprises a screw thread cylinder body fixedly connected with the fixed cylinder and a sealing end cover fixedly connected with the fixed cylinder, the screw thread cylinder body and the sealing end cover form a closed inner cavity and are fixedly connected with the fixed cylinder, the screw thread cylinder body and the high-risk gas or liquid are in screw thread connection and matching through a supply end, an output guide pipe which is coaxially arranged with the encryption cylinder II and communicated with the inner cavity is movably arranged on the sealing end cover, the output guide pipe is in sealed rotary connection and matching with the sealing end cover, a connecting pipe is arranged between the output guide pipe and one end of the encryption cylinder II, which is far away from the encryption cylinder I, one end of the connecting pipe is coaxially and fixedly communicated with the output guide pipe, the other end of the connecting pipe is fixedly connected with one end of the encryption cylinder II, which is far away from, the connecting pipe and the second encryption cylinder are coaxially arranged and movably penetrates through the protective shell.

3. The high-safety directional conveying method for the chemical high-risk gas or liquid conveying pipeline according to claim 2, wherein a sealing ring of a second encryption cylinder is fixedly arranged on one end face of the sealing end cover close to the inner cavity of the sealing end cover, a first guide hole is formed in the outer circumferential surface of the sealing ring, four first guide holes are formed in the first guide holes and are arranged in an array mode along the circumferential direction of the sealing ring, a cylindrical sealing plug used for plugging the first guide holes is coaxially arranged in the sealing ring, the sealing plug is in sealing and rotating connection and matching with the sealing ring, the sealing plug is arranged in a hollow mode and is fixedly connected and communicated with the output conduit, a second guide hole communicated with the inner portion of the sealing plug is formed in the outer circumferential surface of the sealing plug, the second guide holes are provided with a plurality of guide holes and are matched with the first guide holes one;

the inner circular surface of the fixed cylinder is mutually attached to the outer circular surface of the first encryption cylinder, the first encryption mechanism comprises a first through hole which is formed in the fixed cylinder and penetrates through the fixed cylinder in the radial direction, and a second through hole which is formed in the first encryption cylinder and penetrates through the first encryption cylinder in the radial direction, a first sliding column which can slide in the axial direction is arranged in the first through hole, a second sliding column which can slide in the radial direction is arranged in the second through hole, the diameter of the first through hole is equal to that of the second through hole, the first sliding column and the second sliding column are mutually attached to each other near one end surfaces and are both arranged to be arc surfaces matched with the outer circular surface of the first encryption cylinder, the distance from the first sliding column to the second through hole in an initial state is X, the distance from the second sliding column to the first encryption cylinder is X, and one end of the second sliding column, which extends to.

4. The high-safety directional conveying method for the chemical high-risk gas or liquid conveying pipeline according to claim 3, wherein a first built-in step is arranged in the through hole II, a first external step matched with the first built-in step is arranged on the outer circular surface of the sliding column II, and the first built-in step and the first external step are matched with each other to restrain the sliding column II;

a screw plug which is in threaded connection and matching with the opening at one end of the first through hole, which is far away from the encryption cylinder, is arranged at the opening at one end of the first through hole, a first limiting spring is arranged in the first through hole, one end of the first limiting spring is abutted against the screw plug, the other end of the first limiting spring is abutted against the first sliding column, and the elastic force of the first limiting spring is always directed to the first sliding column by the screw;

the decryption device comprises a decryption inner pipeline, a trigger spring, a constraint mechanism and a decryption outer pipeline, wherein the trigger spring is positioned in the decryption outer pipeline, one end of the trigger spring is abutted against a screw thread end cover, the other end of the trigger spring is abutted against the decryption inner pipeline, the elastic force of the trigger spring is always directed to the decryption inner pipeline through a screw thread lead screw, the constraint mechanism comprises two mounting grooves which are arranged on the outer circular surface of the decryption inner pipeline along the axial middle position and are arranged along the radial direction of the decryption inner pipeline, the mounting grooves are symmetrically arranged along the axial direction of the decryption inner pipeline, constraint blocks capable of floating along the groove depth direction of the mounting grooves are arranged in the mounting grooves, the constraint mechanism further comprises annular grooves which are coaxially arranged on the outer circular surface of one end, close to the decryption outer pipeline, of the decryption cylinder, the bottom of each annular groove is provided with two constraint ports, one end of the restraint spring is fixedly connected with the bottom of the mounting groove, and the other end of the restraint spring is fixedly connected with the restraint block.

5. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines according to claim 4, the inner circular surface of the fixed cylinder is attached to the outer circular surface of the encryption cylinder II, the second encryption mechanism comprises a through hole III and a through hole IV which are arranged outside the fixed cylinder and penetrate through the fixed cylinder, the axial directions of the through hole III and the through hole IV are parallel to each other and are arranged along the radial direction of the fixed cylinder, the second encryption mechanism further comprises a through hole V and a through hole VI which are arranged outside the encryption cylinder and penetrate through the encryption cylinder, the axial directions of the through hole V and the through hole VI are parallel to each other and are arranged along the radial direction of the encryption cylinder II, a built-in step II is arranged at the position, close to the opening at one end inside the encryption cylinder II, of the through hole V and the through hole VI, the diameter of the through hole III and the diameter of the through hole V are equal, the diameter of the through hole IV and the.

6. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines according to claim 4 or 5, wherein a third sliding column capable of sliding along the axial direction is arranged in the third through hole, a fifth sliding column capable of sliding along the axial direction is arranged in the fifth through hole, the third sliding column and the fifth sliding column are mutually attached to each other near one end surface and are both arranged into arc surfaces matched with the outer circular surface of the encryption cylinder, in the initial state, the distance from the fifth sliding column to the second encryption cylinder is Y, the distance from the third sliding column to the fifth through hole is Y, screw plugs in threaded connection and matching with the openings of the third through hole and the fourth through hole, which are far away from the second encryption cylinder, are also arranged at the openings of the third through hole and the fourth through hole, a second limiting spring is arranged in the third through hole, one end of the second limiting spring is abutted against the screw plug, the other end of the second sliding column, the built-in step II in the through hole V is used for restricting and limiting the sliding column V, one end, close to the inner part of the encryption cylinder II, of the sliding column V is fixedly provided with a cylindrical magnetic head I, the outer circular surface of the decryption inner pipeline is embedded with a magnet I, the decryption inner pipeline is inserted into the encryption cylinder II, the magnet I and the magnetic head I are mutually repelled close to one end surface, and the displacement of the sliding column V towards the outer part of the through hole V is driven to be equal to Y by the size of repulsive force;

a sliding column IV capable of sliding along the axial direction of the through hole IV is arranged in the through hole IV, a sliding column VI capable of sliding along the axial direction of the through hole IV is arranged in the through hole VI, one end faces, close to each other, of the sliding column IV and the sliding column VI are mutually attached and are both arranged into arc-shaped faces matched with the outer circular face of the encryption cylinder, the distance from the sliding column six to the inside of the through hole four is Z, a limiting spring three is arranged in the through hole six, one end of the limiting spring three is abutted against a built-in step two in the through hole six, the other end of the limiting spring is abutted against the sliding column six, the elastic force of the limiting spring three is always directed to the sliding column six through the built-in step in the through hole six, a magnetic head two is arranged on one end face of the sliding column six, which is close to the inside of the encryption cylinder two, the outer circle surface of the decryption inner pipeline is embedded with a second magnet, the decryption inner pipeline is inserted into the encryption cylinder II, the second magnet and the second magnetic head are close to one end surface mutually and attract each other, and the displacement of the attraction force drives the sliding column six to slide towards the through hole six and is equal to Z.

7. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines according to claim 6, a clamping trigger mechanism for driving the restraint block to float towards the bottom of the mounting groove is arranged between the fixed cylinder and the first encryption cylinder, the clamping trigger mechanism comprises an annular boss coaxially arranged at one end of the fixed cylinder, which is far away from the two ends of the encryption cylinder, an inner sunken groove is coaxially arranged at one end of the annular boss, which is far away from the fixed cylinder, a guide sliding groove is arranged at the bottom of the inner sunken groove, the guide sliding groove comprises a trigger section and a transition section which are communicated end to end, the distance between the trigger section and the central axis of the fixed cylinder is gradually reduced along the clockwise rotation, the transition section is set into an arc structure which is coaxially arranged with the fixed cylinder, the head of the transition section is communicated with the tail of the trigger section along the clockwise direction, and the two guide sliding grooves are arranged and form central symmetry along the central axis of the fixed cylinder.

8. The high-safety directional conveying method for chemical high-risk gas or liquid conveying pipelines according to claim 7, wherein the clamping trigger mechanism further comprises a clamping chute formed at one end of the first encryption cylinder, which is away from the fluid output mechanism, the clamping chute is arranged along the radial direction of the first encryption cylinder, the clamping chute is provided with two clamping blocks which are symmetrically arranged along the axial direction of the first encryption cylinder, a clamping block is arranged in the clamping chute and forms sliding guide fit along the radial direction of the fixed cylinder, a sliding protrusion is fixedly arranged on the clamping block, the sliding protrusion extends into the guiding chute and forms sliding guide fit along the guiding direction of the guiding chute, the sliding protrusion is positioned at the head of the triggering section of the guiding chute in an initial state, the clamping block is flush with the inner circular surface of the first encryption cylinder, when the outer decryption pipeline is combined with the first encryption cylinder, the clamping block is aligned with the socket and is used for pushing the constraint block, and a limiting cover for sealing the inner sink groove is arranged at the notch of the inner sink groove.

9. The high-safety directional conveying method for the chemical high-risk gas or liquid conveying pipeline according to claim 2, wherein the first through holes are four in the axial direction parallel to the fixed cylinder, the second through holes are four in the axial direction parallel to the encryption cylinder, the second through holes correspond to the first through holes one by one, the distance from the first sliding columns to the second through holes and the distance X from the second sliding columns to the first encryption cylinder can be synchronously and freely set, the first encryption mechanisms are provided with a plurality of groups and are arranged in an array mode in the circumferential direction where the fixed cylinder is located, and the first encryption mechanisms are provided with two groups.

10. The high-safety directional conveying method for the chemical high-risk gas or liquid conveying pipeline according to claim 2, wherein a plurality of through holes III and IV are arranged in the axial direction parallel to the fixed cylinder, a plurality of through holes V and a plurality of through holes VI are arranged in the axial direction parallel to the encryption cylinder II, the distance from each group of sliding columns V to the encryption cylinder II and the distance Y from each group of sliding columns V to the through holes V can be synchronously and freely set, the distance Z from each group of sliding columns V to the through holes IV can be synchronously and freely set, and the second encryption mechanisms are provided with a plurality of groups and are arranged in an array along the circumferential direction where the fixed cylinder is located.