CN111998150B - Stainless steel pipe connecting device - Google Patents
Stainless steel pipe connecting device Download PDFInfo
- Publication number
- CN111998150B CN111998150B CN202010774320.8A CN202010774320A CN111998150B CN 111998150 B CN111998150 B CN 111998150B CN 202010774320 A CN202010774320 A CN 202010774320A CN 111998150 B CN111998150 B CN 111998150B
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- steel pipe
- control module
- central control
- underground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Data Mining & Analysis (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computing Systems (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a stainless steel pipe connecting device which comprises a central control module, a plurality of groups of connecting mechanisms with different specifications and stainless steel pipes, wherein the single group of connecting mechanisms comprise a first fixing sleeve, a circular ring table, a second fixing sleeve, a matching ring, a connecting block, a bolt, a limiting device and a screw. According to the stainless steel pipe connecting device, a plurality of groups of connecting mechanisms and stainless steel pipes with different specifications are prepared in advance, specified parameters in the installation environment of the stainless steel pipes are detected by using a specified detection device externally connected with the central control module, the detected values are compared with preset values to obtain a targeted processing scheme, the specified connecting mechanisms and the stainless steel pipes can be installed in the specified environment in a targeted mode through a specified installation process, parameters of all parts and the installation process can be adjusted in a targeted mode according to specific parameters of the environment, the stainless steel pipe connecting device is suitable for various different installation environments, and the service life of the device for different installation environments is prolonged.
Description
Technical Field
The invention relates to the technical field of pipeline installation, in particular to a stainless steel pipe connecting device.
Background
The stainless steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. In addition, since the steel sheet is light in weight when it is bent and has the same torsional strength, it is widely used for manufacturing machine parts and engineering structures. And the stainless steel pipe is also commonly used as furniture and kitchen ware and the like, and is divided into a common carbon steel pipe, a high-quality carbon structural steel pipe, an alloy structural pipe, an alloy steel pipe, a bearing steel pipe, a stainless steel pipe, a bimetal composite pipe, a coating layer pipe and the like which are used for saving precious metals and meeting special requirements according to the material. Stainless steel pipes are various in types and different in purposes, but when the existing stainless steel pipes are used as decorations, a plurality of groups of steel pipes are mostly required to be connected together.
At present, the connecting device connecting the steel pipes together is large in size, is troublesome in installation of the stainless steel pipes, needs to be matched with the stainless steel pipes to use large force, and can fix the stainless steel pipes.
Meanwhile, due to the diversity of the installation environments of the stainless steel pipes, after the stainless steel pipes are installed by using the connecting pieces with the same specification and the same installation process, different environments can cause different influences on the connecting pieces, so that the connecting pieces are loosened and damaged, and external impurities are leaked into the pipelines or materials in the pipelines.
For the pretightening force of the pipeline connecting piece during installation, if the pretightening force is too large relative to the environment where the pipeline is located, the stress borne by the connecting piece is too large, so that the service life of the connecting piece is shortened, if the pretightening force is too small relative to the environment where the pipeline is located, the stainless steel pipes cannot be tightly connected, and materials in the pipeline are easy to leak.
To the size of pipeline, if the relative pipeline of design size is in the environment undersize, can lead to material conveying speed to reduce to make the unable high-efficient transported substance material of pipeline, if the relative pipeline of design size is in the environment too big, then can lead to the pipeline can't bear the pressure that the material produced in transportation process thereby leads to the pipeline to take place to leak.
Disclosure of Invention
Therefore, the invention provides a stainless steel pipe connecting device which is used for solving the problem of low service life of a pipeline caused by the fact that the reasonable design of a connecting piece installation process and the pipeline size cannot be carried out according to the installation position of the stainless steel pipeline in the prior art.
In order to achieve the purpose, the invention provides a stainless steel pipe connecting device which comprises a central control module, a plurality of groups of connecting mechanisms and stainless steel pipes, wherein the connecting mechanisms and the stainless steel pipes are different in specification; wherein the single set of connection mechanisms comprises:
the inner wall of the first fixing sleeve is provided with a circular ring table;
the inner wall of the second fixing sleeve is provided with a matching ring for matching with the circular ring table;
the connecting blocks comprise a first connecting block arranged at the appointed position of the first fixing sleeve and a second connecting block arranged at the appointed position of the second fixing sleeve respectively, and through holes are formed in each connecting block;
the bolt comprises a threaded rod and a nut, and the bolt respectively penetrates through the through hole of the connecting block on the first fixing sleeve and the through hole of the corresponding connecting block on the second fixing sleeve so as to clamp the first fixing sleeve and the second fixing sleeve;
the limiting devices are respectively arranged at one ends of the first fixing sleeve and the second fixing sleeve, which are far away from the connecting surface, each limiting device comprises an upper fixing ring and a lower fixing ring which are hinged, connecting plates are respectively arranged on the side walls of the contact ends of the upper fixing ring and the lower fixing ring, and threaded holes are formed in the appointed positions of the surfaces of the connecting plates; the hinge joint of the upper fixing ring and the lower fixing ring is provided with a hinge shaft, the hinge shaft is provided with a fixing block and a rotating short shaft, the fixing block is covered on the outer wall of the hinge shaft and used for protecting the hinge shaft, and the rotating short shaft sequentially penetrates through the fixing block and the hinge shaft and is used for enabling the upper fixing ring and the lower fixing ring to rotate along the hinge shaft;
and screws are respectively arranged in the threaded holes and used for clamping the upper fixing ring and the lower fixing ring.
Furthermore, an above-ground environment parameter matrix group U (W0, T0) and an underground parameter matrix group D (S0, H0) are preset in the central control module;
for the above-ground environment parameter matrix group U (W0, T0), W0 is an ambient air preset average humidity matrix, and W0 (W1, W2, W3, W4) is where W1 is an air first preset average humidity, W2 is an air second preset average humidity, W3 is an air third average preset humidity, and W4 is an air fourth average preset humidity; t0 is an ambient air preset average temperature matrix, T0 (T1, T2, T3, T4), where T1 is a first preset average temperature of air, T2 is a second preset average temperature of air, T3 is a third preset average temperature of air, and T4 is a fourth preset average temperature of air;
for the underground environment parameter matrix set D (S0, H0), wherein S0 is the environment soil average humidity matrix, S0 (S1, S2, S3, S4), wherein S1 is the soil first preset average humidity, S2 is the soil second preset average humidity, S3 is the soil third preset average humidity, and S4 is the soil fourth preset average humidity; h0 is a pipeline embedded depth matrix, and H0 (H1, H2, H3 and H4) is provided, wherein H1 is a first embedded depth, H2 is a second embedded depth, H3 is a third embedded depth, and H4 is a fourth embedded depth;
when the stainless steel pipe and the connecting mechanism are installed, the installation position of the stainless steel pipe is judged firstly, and a central control module appointed instrument is used for detecting corresponding parameters according to the installation position:
when the stainless steel pipe is installed on the ground, detecting the average air humidity W of the installation position of the stainless steel pipe by using an air humidity detector, and detecting the average air temperature T of the stainless steel pipe according to the installation position by using a temperature detector;
when the stainless steel pipe is installed underground, detecting the average soil humidity S of the installation position of the stainless steel pipe by using a soil humidity detector, and detecting the embedded depth H of the installation position of the stainless steel pipe by using a depth measuring instrument;
after detection is finished, each instrument transmits detection data to the central control module, the central control module compares the detection values with corresponding preset values, and the connecting mechanism and the stainless steel pipe of specified specifications are selected according to comparison results.
Further, a ground connecting mechanism specification matrix group Gu and a ground stainless steel tube specification matrix group Bu are also preset in the central control module, wherein:
for the ground connecting mechanism specification matrix Guij and the ground stainless steel pipe specification matrix Buij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number;
when the central control module judges that the stainless steel pipe is installed on the ground and receives the average air humidity W and the average air temperature T of the installation position of the stainless steel pipe, the air module respectively compares W with data in W0, and compares T with data in T0:
when W is less than or equal to W1, the central control module sets the preposed serial number of the ground connecting mechanism specification and the preposed serial number of the ground stainless steel pipe specification to 1;
when W is more than W1 and less than or equal to W2, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 2 by the central control module;
when W is more than W2 and less than or equal to W3, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 3 by the central control module;
when W is more than W3 and less than or equal to W4, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 4 by the central control module;
when T is less than or equal to T1, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 1;
when T1 is more than T and less than or equal to T2, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 2;
when T2 is more than T and less than or equal to T3, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 3;
when T3 is more than T and less than or equal to T4, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 4;
after the judgment is finished, the central control module establishes an overground installation process matrix group Auij (Guij, Buij) according to the prefix number i and the suffix number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to preset specifications in the Guij matrix and the Buij matrix.
Further, for the ground connection mechanism specification matrix Guij, Guij (Fuij, Ruij), where Fuij is a pre-tightening force of the bolt when the specification connection mechanism is installed, Fuij is a pre-tightening force of the screw when the specification connection mechanism is installed, and Ruij is an inner wall diameter of the specification connection mechanism;
for the above-ground stainless steel pipe specification matrix Buij, Buij (Luij, Ruij, Cuij), where Luij is the length of the stainless steel pipe of the specification, Ruij is the diameter of the outer wall of the stainless steel pipe of the specification, which is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cuij is the wall thickness of the stainless steel pipe of the specification;
when the central control module establishes the overground installation process matrix group Auij (Guij, Buij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Guij matrix and the Buij matrix.
Further, an underground connecting mechanism specification matrix group Gd and an underground stainless steel pipe specification matrix group Bd are also preset in the central control module, wherein:
for an underground connecting mechanism specification matrix Gdij and an underground stainless steel pipe specification matrix Bdij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number;
when the central control module judges that the stainless steel pipe is installed underground and receives the average air humidity S and the pre-buried depth H of the installation position of the stainless steel pipe, the air module respectively compares the S with each item of data in the S0, and compares the H with each item of data in the H0:
when S is less than or equal to S1, the central control module sets the preposed serial number of the underground connecting mechanism specification and the preposed serial number of the underground stainless steel pipe specification as 1;
when S1 is larger than S2, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 2 by the central control module;
when S2 is larger than S3, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 3 by the central control module;
when S3 is larger than S4, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 4 by the central control module;
when H is less than or equal to H1, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification as 1;
when H1 is more than H and less than or equal to H2, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 2;
when H is more than H2 and less than or equal to H3, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 3;
when H3 is more than H and less than or equal to H4, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 4;
after the judgment is finished, the central control module establishes an underground installation process matrix group Adij (Gdij, Bdij) according to the prefix number i and the suffix number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to preset specifications in the Gdij matrix and the Bdij matrix.
Further, for the underground connecting mechanism specification matrix Gdij, Gdij (Fdij, Rdij), where Fdij is a pretightening force of the bolt when the specification connecting mechanism is installed, and Rdij is an inner wall diameter of the specification connecting mechanism;
for the underground stainless steel pipe specification matrix Bdij, Bdij (Ldij, Rdij, Cdij), wherein Ldij is the length of the stainless steel pipe of the specification, Rdij is the diameter of the outer wall of the stainless steel pipe of the specification, the diameter of the outer wall of the stainless steel pipe of the specification is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cdij is the wall thickness of the stainless steel pipe of the specification;
when the central control module establishes the overground installation process matrix group Adij (Gdij, Bdij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Gdij matrix and the Bdij matrix.
Further, the mating ring is slidably connected with the first fixing sleeve.
Furthermore, a waterproof gasket is further arranged in the connecting mechanism and arranged on the end face of the circular ring table to seal a gap between the circular ring table and the matching ring when the first fixing sleeve and the second fixing sleeve are clamped by the bolt.
Further, still be equipped with the rubber sleeve among the coupling mechanism, it sets up the stop device inner wall for make solid fixed ring and solid fixed ring clamp tightly nonrust steel pipe down.
Compared with the prior art, the stainless steel pipe connecting device has the advantages that a plurality of groups of connecting mechanisms and stainless steel pipes with different specifications are prepared in advance, the specified detection device externally connected with the central control module is used for detecting the specified parameters in the installation environment of the stainless steel pipes, the detection value is compared with the preset value to obtain a targeted processing scheme, an installer can select the connecting mechanisms and the stainless steel pipes with the specified specifications according to the processing scheme, meanwhile, the specified installation process is used for installing the connecting mechanisms and the stainless steel pipes, the specified connecting mechanisms and the stainless steel pipes can be installed in the specified environment in a targeted mode according to the specified installation process, and the stainless steel pipe connecting device can be suitable for different installation environments by specifically adjusting parameters and installation processes of all parts according to the specific parameters of the environment, the service life of the device for different installation environments is prolonged.
Furthermore, different detection schemes are respectively set in the central control module aiming at the ground environment and the underground environment, and for a specific environment, corresponding detection parameters are used, so that the specific situation of the installation environment of the stainless steel pipe can be detected more accurately, the central control module can judge the installation environment more accurately, the central control module can be more specific when the component specification and the installation process are selected, and the service life of the stainless steel pipe connecting device is further prolonged.
Furthermore, the central control module uses the number form to classify the specification of the connecting mechanism, the specification of the stainless steel pipe and the installation process of the device, the central control module judges the number of the specification according to the comparison result of the parameters, and finally, the specified scheme is quickly and accurately selected from a huge database according to the number, so that the working efficiency of the central control module is improved.
Particularly, the central control module uses the two-digit number of the prefix number and the suffix number to respectively set a preset specification matrix aiming at the change of two parameters in the environment, the number is independently selected according to the comparison result of the two parameters, the final scheme is determined according to the final number, and the detection and judgment of the central control module on various environments can be furthest improved by independently judging each parameter and selecting the scheme according to the judgment result, so that the selection efficiency of the central control module is improved, and the service life of the stainless steel pipe connecting device is further prolonged.
Furthermore, the pre-tightening force and the inner diameter of the connecting part and the length, the diameter and the wall thickness of the stainless steel pipe are set in a targeted mode in the scheme of customizing the central control module, so that the stainless steel pipe cannot be damaged or leaked after being installed, and the service life of the stainless steel pipe connecting device is further prolonged.
Further, coupling mechanism all is equipped with the connecting block in the front and the back of first fixed cover and the front and the back of the fixed cover of second, the through-hole has been seted up to one side of connecting block, the internal surface sliding connection of through-hole has the threaded rod, the outer fixed surface of threaded rod is connected with the nut, the inner wall fixedly connected with ring platform of first fixed cover, one side of ring platform is connected with waterproof washer, the left side of the fixed cover of second is connected with the cooperation ring, set up the connecting block through the front and the back at first fixed cover and the front and the back of the fixed cover of second, cooperate the ring platform of the inside ring platform of first fixed cover and the cooperation ring of the fixed cover one side of second, recycle threaded rod and nut, can connect the nonrust steel pipe in first fixed cover and the fixed cover of second, connect nonrust steel pipe through this structure, and easy operation, and the volume is less.
Further, the equal swing joint in the left side of first fixed cover and the right side of the fixed cover of second of coupling mechanism has stop device, stop device includes upper fixed ring and lower fixed ring, all be equipped with the connecting plate on upper fixed ring and the lower fixed ring, threaded hole is seted up on the surface of connecting plate, the internal surface threaded connection of screw hole has the screw, swing joint has the rubber sleeve between the relative one side of upper fixed ring and lower fixed ring, through setting up upper fixed ring and lower fixed ring, screw hole and screw on the cooperation connecting plate, recycle the rubber sleeve and fix nonrust steel pipe, can fix nonrust steel pipe through this structure, can prevent simultaneously that nonrust steel pipe from rocking, not only the effect is obvious, and the cost is lower.
Drawings
FIG. 1 is a flow chart of the operation of the control module of the present invention;
FIG. 2 is a schematic structural view of a single set of linkage mechanisms according to the present invention;
fig. 3 is a schematic structural view of the first fixing sleeve of the present invention;
FIG. 4 is a side view of the spacing device of the present invention;
fig. 5 is a top view of the spacing device of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Please refer to fig. 1, which is a flowchart illustrating a working process of the control module according to the present invention, wherein an above-ground environment parameter matrix group U (W0, T0) and an underground parameter matrix group D (S0, H0) are preset in the central control module.
For the above-ground environment parameter matrix group U (W0, T0), W0 is an ambient air preset average humidity matrix, and W0 (W1, W2, W3, W4) is where W1 is an air first preset average humidity, W2 is an air second preset average humidity, W3 is an air third average preset humidity, and W4 is an air fourth average preset humidity; t0 is an ambient air preset average temperature matrix, T0 (T1, T2, T3, T4), where T1 is a first air preset average temperature, T2 is a second air preset average temperature, T3 is a third air preset average temperature, and T4 is a fourth air preset average temperature.
For the underground environment parameter matrix set D (S0, H0), wherein S0 is the environment soil average humidity matrix, S0 (S1, S2, S3, S4), wherein S1 is the soil first preset average humidity, S2 is the soil second preset average humidity, S3 is the soil third preset average humidity, and S4 is the soil fourth preset average humidity; h0 is a pipeline embedded depth matrix, H0 (H1, H2, H3 and H4), wherein H1 is a first embedded depth, H2 is a second embedded depth, H3 is a third embedded depth, and H4 is a fourth embedded depth.
When the stainless steel pipe and the connecting mechanism are installed, the installation position of the stainless steel pipe is judged firstly, and a central control module appointed instrument is used for detecting corresponding parameters according to the installation position:
when the stainless steel pipe is installed on the ground, detecting the average air humidity W of the installation position of the stainless steel pipe by using an air humidity detector, and detecting the average air temperature T of the stainless steel pipe according to the installation position by using a temperature detector;
when the stainless steel pipe is installed underground, detecting the average soil humidity S of the installation position of the stainless steel pipe by using a soil humidity detector, and detecting the embedded depth H of the installation position of the stainless steel pipe by using a depth measuring instrument;
after detection is finished, each instrument transmits detection data to the central control module, the central control module compares the detection values with corresponding preset values, and the connecting mechanism and the stainless steel pipe of specified specifications are selected according to comparison results.
Specifically, an overground connecting mechanism specification matrix group Gu and an overground stainless steel pipe specification matrix group Bu are also preset in the central control module, wherein:
for the ground connection mechanism specification matrix Guij and the ground stainless steel pipe specification matrix Buij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number.
When the central control module judges that the stainless steel pipe is installed on the ground and receives the average air humidity W and the average air temperature T of the installation position of the stainless steel pipe, the air module respectively compares W with data in W0, and compares T with data in T0:
when W is less than or equal to W1, the central control module sets the preposed serial number of the standard of the ground connecting mechanism and the preposed serial number of the standard of the ground stainless steel pipe to be 1;
when W is more than W1 and less than or equal to W2, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 2 by the central control module;
when W is more than W2 and less than or equal to W3, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 3 by the central control module;
when W3 < W ≦ W4, the center control module sets the front number of the standard of the ground connection mechanism and the front number of the standard of the ground stainless steel pipe to 4.
When T is less than or equal to T1, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 1;
when T1 is more than T and less than or equal to T2, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 2;
when T2 is more than T and less than or equal to T3, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 3;
when T3 < T.ltoreq.T 4, the center control module sets the suffix number of the standard of the ground connection mechanism and the suffix number of the standard of the ground stainless steel pipe to 4.
After the judgment is finished, the central control module establishes an overground installation process matrix group Auij (Guij, Buij) according to the prefix number i and the suffix number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to preset specifications in the Guij matrix and the Buij matrix.
Specifically, for the ground connection mechanism specification matrix Guij, Guij (Fuij, Ruij), Fuij is the pretightening force of the bolt when the specification connection mechanism is installed, Fuij is the pretightening force of the screw when the specification connection mechanism is installed, and Ruij is the diameter of the inner wall of the specification connection mechanism.
And for the aboveground stainless steel pipe specification matrix Buij, Buij (Luij, Ruij, Cuij), wherein Luij is the length of the stainless steel pipe of the specification, Ruij is the diameter of the outer wall of the stainless steel pipe of the specification, which is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cuij is the wall thickness of the stainless steel pipe of the specification.
When the central control module establishes the overground installation process matrix group Auij (Guij, Buij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Guij matrix and the Buij matrix.
Specifically, an underground connecting mechanism specification matrix group Gd and an underground stainless steel pipe specification matrix group Bd are also preset in the central control module, wherein:
for the underground connecting mechanism specification matrix Gdij and the underground stainless steel pipe specification matrix Bdij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number.
When the central control module judges that the stainless steel pipe is installed underground and receives the average air humidity S and the pre-buried depth H of the installation position of the stainless steel pipe, the air module respectively compares the S with each item of data in the S0, and compares the H with each item of data in the H0:
when S is less than or equal to S1, the central control module sets the preposed serial number of the underground connecting mechanism specification and the preposed serial number of the underground stainless steel pipe specification as 1;
when S1 is larger than S2, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 2 by the central control module;
when S2 is larger than S3, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 3 by the central control module;
and when S3 is more than S and less than or equal to S4, the central control module sets the preposed serial number of the underground connecting mechanism specification and the preposed serial number of the underground stainless steel pipe specification to be 4.
When H is less than or equal to H1, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification as 1;
when H1 is more than H and less than or equal to H2, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 2;
when H2 is more than H and less than or equal to H3, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 3;
when H3 < H.ltoreq.H 4, the center control module sets the suffix number of the underground connection mechanism specification and the suffix number of the underground stainless steel pipe specification to 4.
After the judgment is finished, the central control module establishes an underground installation process matrix group Adij (Gdij, Bdij) according to the prefix number i and the suffix number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to preset specifications in the Gdij matrix and the Bdij matrix.
Specifically, for the underground connecting mechanism specification matrix Gdij, Gdij (Fdij, Rdij), wherein Fdij is a pretightening force of the bolt when the underground connecting mechanism is installed, and Rdij is an inner wall diameter of the underground connecting mechanism.
And for the underground stainless steel pipe specification matrix Bdij, Bdij (Ldij, Rdij, Cdij), wherein Ldij is the length of the stainless steel pipe of the specification, Rdij is the diameter of the outer wall of the stainless steel pipe of the specification, the diameter of the outer wall of the stainless steel pipe of the specification is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cdij is the wall thickness of the stainless steel pipe of the specification.
When the central control module establishes the overground installation process matrix group Adij (Gdij, Bdij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Gdij matrix and the Bdij matrix.
Fig. 2 is a schematic structural diagram of a single set of connection mechanisms according to the present invention. The single-group connecting mechanism comprises a first fixing sleeve 1, a second fixing sleeve 2, a connecting block 3 and a bolt (not shown in the figure). Wherein the connecting blocks 3 are respectively provided at designated positions on the first and second fixing covers 1 and 2 for cooperating with the bolts to clamp the first and second fixing covers 1 and 2. The bolt sequentially penetrates through the connecting block 3 on the first fixing sleeve 1 and the connecting block 3 on the second fixing sleeve 2, and the first fixing sleeve 1 and the second fixing sleeve 2 are clamped by clamping the connecting block 3. When the stainless steel pipes are installed, one stainless steel pipe is inserted from the left end of the first fixing sleeve 1, the other stainless steel pipe is inserted from the second fixing sleeve 2, the contact surfaces of the two stainless steel pipes are arranged at the appointed position between the first fixing sleeve 1 and the second fixing sleeve 2, and the connecting block 3 on the first fixing sleeve 1 and the connecting block 3 on the second fixing sleeve 2 are clamped through bolts so that the first fixing sleeve 1 and the second fixing sleeve 2 are clamped tightly, thereby completing the sealing between the contact surfaces of the two stainless steel pipes.
Referring to fig. 2 and 3, a circular ring platform 8 is disposed inside the first fixing sleeve 1. The second fixing sleeve 2 is internally provided with a matching ring 10 for matching with the circular ring table 8. A waterproof gasket 9 is provided on the mating ring 10 to seal a gap between the mating ring 10 and the circular ring table 8. When connecting nonrust steel pipe, set up the contact surface of two stainless steel pipes inside the cooperation ring 10, place the fixed cover 2 laminating of first fixed cover 1 and second after accomplishing, cooperation ring 10 is in 1 inner wall sliding connection of first fixed cover, this moment the terminal surface of ring platform 8 with the terminal surface contact of cooperation ring 10, waterproof gasket 9 sets up between the terminal surface of ring platform 8 and the terminal surface of cooperation ring 10, uses the bolt to compress tightly connecting block 3 with the fixed cover 2 of the tight first fixed cover of clamp 1 and second this moment to make ring platform 8 and cooperation ring 10 extrude waterproof gasket 9 so that waterproof gasket 9 seals the gap between ring platform 8 and the cooperation ring 10.
As shown in fig. 2, the connecting block 3 of the present invention includes two first connecting blocks oppositely disposed on the side wall of the end portion of the first fixing sleeve 1 and two second connecting blocks oppositely disposed on the side wall of the end portion of the second fixing sleeve 2, and a through hole 4 with a smooth inner wall is formed on the surface of each connecting block for allowing the bolt to penetrate through the connecting block 3. When clamping the first fixing sleeve 1 and the second fixing sleeve 2, aligning the corresponding first connecting block and the second connecting block, sequentially penetrating the bolt through the through hole 4 in the first connecting block and the through hole 4 in the second connecting block after aligning, and screwing the bolt to clamp the connecting block 3.
Referring to fig. 2, the bolt of the present invention includes two threaded rods 5 and two nuts 6, each of the bolts 5 penetrates through the corresponding through hole 4, and each of the nuts 6 is in threaded connection with the corresponding bolt 5 to clamp the connecting block 3 with the bolt 5. When the connecting blocks 3 are clamped tightly, the bolts 5 sequentially penetrate through the through holes 4 of the corresponding first connecting blocks and the through holes 4 of the corresponding second connecting blocks, then the nuts 6 are screwed into the end parts of the corresponding bolts 5, and the nuts 6 are gradually rotated so that the nuts 6 and the bolts 5 tightly press the connecting blocks 3.
Referring to fig. 2 and 4, the position limiting device 11 of the present invention is respectively disposed at the left end of the first fixing sleeve 1 and the right end of the second fixing sleeve 2 for clamping the stainless steel pipes. Each limiting device 11 comprises an upper fixing ring 12 and a lower fixing ring 13 which are hinged, connecting plates 14 are respectively arranged on the side walls of contact ends of the upper fixing ring 12 and the lower fixing ring 13, and threaded holes 15 are formed in designated positions on the surfaces of the connecting plates 14;
specifically, the connecting mechanism is further provided with a plurality of screws 16, and each screw 16 is screwed into a corresponding screw hole 15 to clamp the upper fixing ring 12 and the lower fixing ring 13. When the stainless steel pipe is installed, the limiting device 11 is sleeved on the designated position of the stainless steel pipe, after the sleeving is completed, the upper fixing ring 12 and the lower fixing ring 13 are tightly attached, and meanwhile, each screw 16 is sequentially screwed into the threaded hole 15 of the end connecting plate 14 of the upper fixing ring 12 and the threaded hole 15 of the end connecting plate 14 of the lower fixing ring 13 so that the upper fixing ring 12 and the lower fixing ring 13 are clamped tightly.
Referring to fig. 2, 4 and 5, a hinge shaft (not shown) is disposed at a hinge portion of the upper fixing ring 12 and the lower fixing ring 13, a fixing block 17 and a rotation stub shaft 18 are disposed on the hinge shaft, the fixing block 17 covers an outer wall of the hinge shaft to protect the hinge shaft, and the rotation stub shaft 18 sequentially penetrates through the fixing block 17 and the hinge shaft to rotate the upper fixing ring 12 and the lower fixing ring 13 along the hinge shaft.
As shown in fig. 4, the limiting device 11 is further provided with a rubber sleeve 7 for clamping the stainless steel tube by the upper fixing ring 12 and the lower fixing ring 13. When the stainless steel pipe is installed, firstly, the stainless steel pipe penetrates through the rubber sleeve 7 and adjusts the rubber sleeve to the left end of the first fixing sleeve 1 or the right end of the second fixing sleeve 2, after the adjustment is completed, the limiting device 11 is sleeved on the outer wall of the rubber sleeve 7, the screw 16 clamps the upper fixing ring 12 and the lower fixing ring 13, and the upper fixing ring 12 and the lower fixing ring 13 respectively extrude the rubber sleeve 7 to enable the limiting device 11 to clamp the stainless steel pipe.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A stainless steel pipe connecting device is characterized by comprising a central control module, a plurality of groups of connecting mechanisms with different specifications and stainless steel pipes, wherein the central control module selects the connecting mechanism with the specified specification, the stainless steel pipe with the corresponding specification and the specified installation process according to the installation position of the connecting mechanism so as to finish high-strength and high-sealing installation of a stainless steel pipeline; wherein a single set of the connection mechanisms comprises:
the inner wall of the first fixing sleeve is provided with a circular ring table;
the inner wall of the second fixing sleeve is provided with a matching ring for matching with the circular ring table;
the connecting blocks comprise a first connecting block arranged at the appointed position of the first fixing sleeve and a second connecting block arranged at the appointed position of the second fixing sleeve respectively, and through holes are formed in each connecting block;
the bolt comprises a threaded rod and a nut, and the bolt respectively penetrates through the through hole of the connecting block on the first fixing sleeve and the through hole of the corresponding connecting block on the second fixing sleeve so as to clamp the first fixing sleeve and the second fixing sleeve;
the limiting devices are respectively arranged at one ends of the first fixing sleeve and the second fixing sleeve, which are far away from the connecting surface, each limiting device comprises an upper fixing ring and a lower fixing ring which are hinged, connecting plates are respectively arranged on the side walls of the contact ends of the upper fixing ring and the lower fixing ring, and threaded holes are formed in the appointed positions of the surfaces of the connecting plates; the hinge joint of the upper fixing ring and the lower fixing ring is provided with a hinge shaft, the hinge shaft is provided with a fixing block and a rotating short shaft, the fixing block is covered on the outer wall of the hinge shaft and used for protecting the hinge shaft, and the rotating short shaft sequentially penetrates through the fixing block and the hinge shaft and is used for enabling the upper fixing ring and the lower fixing ring to rotate along the hinge shaft;
screws respectively arranged in the threaded holes for clamping the upper fixing ring and the lower fixing ring;
an overground environment parameter matrix group U (W0, T0) and an underground environment parameter matrix group D (S0, H0) are preset in the central control module;
for the above-ground environment parameter matrix group U (W0, T0), W0 is an ambient air preset average humidity matrix, and W0 (W1, W2, W3, W4) is where W1 is an air first preset average humidity, W2 is an air second preset average humidity, W3 is an air third average preset humidity, and W4 is an air fourth average preset humidity; t0 is an ambient air preset average temperature matrix, T0 (T1, T2, T3, T4), where T1 is a first preset average temperature of air, T2 is a second preset average temperature of air, T3 is a third preset average temperature of air, and T4 is a fourth preset average temperature of air;
for the underground environment parameter matrix set D (S0, H0), wherein S0 is the environment soil average humidity matrix, S0 (S1, S2, S3, S4), wherein S1 is the soil first preset average humidity, S2 is the soil second preset average humidity, S3 is the soil third preset average humidity, and S4 is the soil fourth preset average humidity; h0 is a pipeline embedded depth matrix, and H0 (H1, H2, H3 and H4) is provided, wherein H1 is a first embedded depth, H2 is a second embedded depth, H3 is a third embedded depth, and H4 is a fourth embedded depth;
when the stainless steel pipe and the connecting mechanism are installed, the installation position of the stainless steel pipe is judged firstly, and a central control module appointed instrument is used for detecting corresponding parameters according to the installation position:
when the stainless steel pipe is installed on the ground, detecting the average air humidity W of the installation position of the stainless steel pipe by using an air humidity detector, and detecting the average air temperature T of the stainless steel pipe according to the installation position by using a temperature detector;
when the stainless steel pipe is installed underground, detecting the average soil humidity S of the installation position of the stainless steel pipe by using a soil humidity detector, and detecting the embedded depth H of the installation position of the stainless steel pipe by using a depth measuring instrument;
after detection is finished, each instrument transmits detection data to the central control module, the central control module compares the detection values with corresponding preset values and selects a connecting mechanism and a stainless steel pipe with specified specifications according to comparison results;
the central control module is also internally provided with an aboveground connecting mechanism specification matrix group Gu and an aboveground stainless steel tube specification matrix group Bu, wherein:
for the ground connecting mechanism specification matrix Guij and the ground stainless steel pipe specification matrix Buij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number;
when the central control module judges that the stainless steel pipe is installed on the ground and receives the average air humidity W and the average air temperature T of the installation position of the stainless steel pipe, the central control module respectively compares W with data in W0, and compares T with data in T0:
when W is less than or equal to W1, the central control module sets the preposed serial number of the standard of the ground connecting mechanism and the preposed serial number of the standard of the ground stainless steel pipe to be 1;
when W is more than W1 and less than or equal to W2, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 2 by the central control module;
when W is more than W2 and less than or equal to W3, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 3 by the central control module;
when W is more than W3 and less than or equal to W4, the front number of the standard of the ground connecting mechanism and the front number of the standard of the ground stainless steel pipe are set to be 4 by the central control module;
when T is less than or equal to T1, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 1;
when T1 is more than T and less than or equal to T2, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 2;
when T2 is more than T and less than or equal to T3, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 3;
when T3 is more than T and less than or equal to T4, the central control module sets the suffix number of the standard of the ground connecting mechanism and the suffix number of the standard of the ground stainless steel pipe to be 4;
after the judgment is finished, the central control module establishes an overground installation process matrix group Auij (Guij, Buij) according to the preposed serial number i and the suffix serial number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to the preset specifications in the Guij matrix and the Buij matrix.
2. The stainless steel pipe connection of claim 1, wherein for the ground connection mechanism specification matrix Guij, Guij (Fuij, Ruij), wherein Fuij is the pre-tightening force of the bolt when the specification connection mechanism is installed, Fuij is the pre-tightening force of the screw when the specification connection mechanism is installed, and Ruij is the diameter of the inner wall of the specification connection mechanism;
for the above-ground stainless steel pipe specification matrix Buij, Buij (Luij, Ruij, Cuij), where Luij is the length of the stainless steel pipe of the specification, Ruij is the diameter of the outer wall of the stainless steel pipe of the specification, which is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cuij is the wall thickness of the stainless steel pipe of the specification;
when the central control module establishes the overground installation process matrix group Auij (Guij, Buij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Guij matrix and the Buij matrix.
3. The stainless steel pipe connecting device according to claim 2, wherein an underground connecting mechanism specification matrix group Gd and an underground stainless steel pipe specification matrix group Bd are preset in the central control module, wherein:
for an underground connecting mechanism specification matrix Gdij and an underground stainless steel pipe specification matrix Bdij, i =1, 2, 3, 4, j =1, 2, 3, 4, wherein i is a leading number and j is a trailing number;
when the central control module judges that the stainless steel pipe is installed underground and receives the average air humidity S and the pre-buried depth H of the installation position of the stainless steel pipe, the central control module respectively compares the S with each item of data in the S0, and compares the H with each item of data in the H0:
when S is less than or equal to S1, the central control module sets the preposed serial number of the underground connecting mechanism specification and the preposed serial number of the underground stainless steel pipe specification as 1;
when S1 is larger than S2, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 2 by the central control module;
when S2 is larger than S3, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 3 by the central control module;
when S3 is larger than S4, the front number of the underground connecting mechanism and the front number of the underground stainless steel pipe are set to be 4 by the central control module;
when H is less than or equal to H1, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification as 1;
when H1 is more than H and less than or equal to H2, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 2;
when H2 is more than H and less than or equal to H3, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 3;
when H3 is more than H and less than or equal to H4, the central control module sets the suffix number of the underground connecting mechanism specification and the suffix number of the underground stainless steel pipe specification to be 4;
after the judgment is finished, the central control module establishes an underground installation process matrix group Adij (Gdij, Bdij) according to the prefix number i and the suffix number j, and selects a connecting mechanism and a stainless steel pipe with specified sizes according to preset specifications in the Gdij matrix and the Bdij matrix.
4. The stainless steel pipe coupling of claim 3, wherein for the underground coupling mechanism specification matrix Gdij, Gdij (Fdij, Fdij, Rdij), Fdij is the pre-tightening force of the bolt when the specification coupling mechanism is installed, Fdij is the pre-tightening force of the bolt when the specification coupling mechanism is installed, and Rdij is the diameter of the inner wall of the specification coupling mechanism;
for the underground stainless steel pipe specification matrix Bdij, Bdij (Ldij, Rdij, Cdij), wherein Ldij is the length of the stainless steel pipe of the specification, Rdij is the diameter of the outer wall of the stainless steel pipe of the specification, the diameter of the outer wall of the stainless steel pipe of the specification is the same as the diameter of the inner wall of the connecting mechanism of the corresponding specification, and Cdij is the wall thickness of the stainless steel pipe of the specification;
when the central control module establishes the underground installation process matrix group Adij (Gdij, Bdij), the central control module selects the connecting mechanism and the stainless steel pipe with corresponding size parameters according to the Gdij matrix and the Bdij matrix.
5. The stainless steel tube connection of claim 1, wherein said mating ring is slidably connected to said first hub.
6. The stainless steel tube connecting device as claimed in claim 1, wherein a waterproof gasket is further provided in the connecting mechanism, which is provided on the end surface of the circular ring table, for sealing the gap between the circular ring table and the mating ring when the first and second fixing sockets are bolted.
7. The stainless steel pipe connecting device according to claim 1, wherein a rubber sleeve is further arranged in the connecting mechanism and is arranged on the inner wall of the limiting device, so that the upper fixing ring and the lower fixing ring clamp the stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774320.8A CN111998150B (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774320.8A CN111998150B (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111998150A CN111998150A (en) | 2020-11-27 |
| CN111998150B true CN111998150B (en) | 2022-05-27 |
Family
ID=73463641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010774320.8A Active CN111998150B (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111998150B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100981565B1 (en) * | 2010-02-05 | 2010-09-10 | 이재욱 | Joint for pipe connection |
| CN102117369A (en) * | 2011-03-17 | 2011-07-06 | 清华大学 | Method and system for combined optimization of pipe diameter and pipe material of water supply network |
| CN110397807A (en) * | 2018-04-25 | 2019-11-01 | 江苏舜龙管业科技有限公司 | Inner liner stainless steel pipe fitting joint |
| CN210600564U (en) * | 2019-10-21 | 2020-05-22 | 刘洋 | Water supply and drainage pipe connecting device |
| CN210978856U (en) * | 2019-07-03 | 2020-07-10 | 无锡市逸晓机械科技有限公司 | Quick connecting pipe fitting for metal pipe |
| CN211118146U (en) * | 2019-12-28 | 2020-07-28 | 梁萍 | Pipeline connecting flange plate for industrial water purification |
-
2020
- 2020-08-05 CN CN202010774320.8A patent/CN111998150B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100981565B1 (en) * | 2010-02-05 | 2010-09-10 | 이재욱 | Joint for pipe connection |
| CN102117369A (en) * | 2011-03-17 | 2011-07-06 | 清华大学 | Method and system for combined optimization of pipe diameter and pipe material of water supply network |
| CN110397807A (en) * | 2018-04-25 | 2019-11-01 | 江苏舜龙管业科技有限公司 | Inner liner stainless steel pipe fitting joint |
| CN210978856U (en) * | 2019-07-03 | 2020-07-10 | 无锡市逸晓机械科技有限公司 | Quick connecting pipe fitting for metal pipe |
| CN210600564U (en) * | 2019-10-21 | 2020-05-22 | 刘洋 | Water supply and drainage pipe connecting device |
| CN211118146U (en) * | 2019-12-28 | 2020-07-28 | 梁萍 | Pipeline connecting flange plate for industrial water purification |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111998150A (en) | 2020-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1869356B1 (en) | Isolation gasket, system and method of manufacture | |
| US8936280B2 (en) | Saddle tap connection and installation device | |
| US8540287B2 (en) | Saddle tap connection and installation device | |
| US11098802B2 (en) | Metal seal fitting for use on a pipeline | |
| US20220178537A1 (en) | Joint Seal System & Method | |
| CN111998150B (en) | Stainless steel pipe connecting device | |
| CN204023666U (en) | A kind of hydraulic fittings and there is the machine of hydraulic fittings | |
| US20150144747A1 (en) | Attachment plate and system for pipe-support interface | |
| CN111929169B (en) | Novel mechanical property experiment device for deepwater testing pipe column | |
| CN1975225A (en) | Sealed hub for motor actuated valve | |
| JP2008025210A (en) | Repairing apparatus for internal surface of large-diameter conduit | |
| CN210712948U (en) | Glass fiber reinforced plastic resin inspection well with prefabricated compound sealing ring at branch pipe opening | |
| CN211202931U (en) | Blind plate valve | |
| CN211109943U (en) | Multi-section pressure detection anti-blocking device | |
| CN210282197U (en) | Rotating frame convenient for petroleum pipeline detection | |
| EP3473856B1 (en) | Dismounting device for progressive cavity pumps | |
| CN214947129U (en) | Adjustable sealing flange | |
| CN216896312U (en) | L type connects with adjustable | |
| CN220118274U (en) | Pneumatic compressor | |
| CN210788009U (en) | Cylindrical facility rotation driving device for forming PO corrosion-resistant lining | |
| CA2714298C (en) | System and method of a flange seal ring | |
| US20130300104A1 (en) | Adjustable elbows and method for using the same | |
| CN112013132A (en) | Acidolysis corrosion-resistant air compression blowing tee bend device | |
| US20180259086A1 (en) | Butterfly Valve Comprising Removable Coupling Part | |
| CN117490940A (en) | Pressure release detection device for rubber sealing piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201214 Address after: Room 602, 4 / F, 4th floor, Hepingli 5th District, Dongcheng District, Beijing 100013 Applicant after: Du Wei Address before: 100086 no.075, 6 / F, block B, building 1, a 38 Zhongguancun Street, Haidian District, Beijing Applicant before: Qinggao Zhishui (Beijing) Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |