CN110296138A - Bolt, nut and pipeline electrically conductive connection method - Google Patents
Bolt, nut and pipeline electrically conductive connection method Download PDFInfo
- Publication number
- CN110296138A CN110296138A CN201910568989.9A CN201910568989A CN110296138A CN 110296138 A CN110296138 A CN 110296138A CN 201910568989 A CN201910568989 A CN 201910568989A CN 110296138 A CN110296138 A CN 110296138A
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- China
- Prior art keywords
- bolt
- gasket
- nut
- connecting flange
- pipeline
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
-
- 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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/01—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The present invention discloses a kind of bolt, nut and electrically conductive connection method, the first gasket is fixedly installed on the side of screw rod by the bolt head in bolt, and several first double wedges are set on the first gasket, the second gasket is fixedly installed on the side of nut, and several second double wedges are set on the second gasket, when carrying out the connection of connecting flange of pipeline, during screw bolt and nut is tightened, the end face of first double wedge and the second double wedge and connecting flange relatively rotates, fall paint and the rusty stain etc. on the end face of connecting flange to scratch, to guarantee the contact area between screw bolt and nut and connecting flange, guarantee the electric conductivity between screw bolt and nut and connecting flange, and then the conductive connection between two neighboring pipeline is realized by the electrical connection between bolts and nuts.
Description
Technical field
The present invention relates to fastening structure technical field more particularly to a kind of bolts, nut and electrically conductive connection method.
Background technique
There are many pipe-line systems in ship, for daily life, adjustment ballast operating condition, host fuel delivery, cable protection
Or cargo transport etc..Since the production, transport, processing of pipe have length limitation, need to be attached between pipe,
It is allowed to tandem, is in parallel as complete pipe-line system.The connection type of pipeline is generally 2 kinds of welded type, flange join type,
Flanged joint can be connection of the flange to flange of pipeline and pipeline, be also possible to company of the flange to flange of pipeline and valve member
It connects.
In addition, requiring in the construction specification of ship, the resistance between piping and hull should be no more than 1M Ω, and pipeline needs to pacify
Full ground connection.But in the flange and flanged joint of pipeline and pipeline or valve member, there is gasket among flange and flange, it will influence
Electric conductivity.Therefore for needing by keeping good conductive contact between line connection bolt/nut and flange.And existing
Way in some ships are as follows: for the purpose for preventing pipeline from getting rusty, outer tube surface need to paint processing, so by each pair of
2 plum blossom washers (one end is bolt, one end is nut) is respectively arranged in the two sides of flange, since plum blossom washer inner circle is tooth form knot
Structure can rotate together with bolt, nut in bolt, nut tightening, achieve the purpose that scrape paint-removing, increase contact surface
Product.
But above-mentioned way has the following problems: because bolt, nut, plum blossom washer be 3 independent individuals, bolt/
Nut and plum blossom washer contact surface are shiny surface, and frictional resistance is small, and it is thick that plum blossom washer, which is contacted in interior side with flange face paint,
Matte, frictional resistance is big, is easy to skid with plum blossom washer when rotating bolt/nut, scrapes paint-removing effect and bad.
Summary of the invention
One purpose of the embodiment of the present invention is: providing a kind of bolt, can guarantee that the conduction between flange connects
Touching.
Another purpose of the embodiment of the present invention is: providing a kind of nut, can guarantee the conduction between flange
Contact.
The further object of the embodiment of the present invention is: a kind of pipeline electrically conductive connection method is provided, it can be easily real
Conductive connection between existing pipeline.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of bolt is provided, including bolt head and the screw rod being fixedly connected with the bolt head, the bolt head is close to institute
It states and is fixedly connected with the first gasket on the side of screw rod, the outer diameter of first gasket is greater than or equal to the straight of the bolt head
Diameter, the circumference of first gasket are provided with several first double wedges, the first double wedge radially extending along first gasket
It is convexly equipped in the circumference of first gasket.
As a preferred technical solution of the invention, first double wedge and first gasket are far from the bolt
The side of head is arranged in angle.
As a preferred technical solution of the invention, first gasket and bolt head welded connecting are one
Body.
As a preferred technical solution of the invention, first gasket and the bolt head are integrally formed.
On the other hand, a kind of nut is provided, the second gasket, second gasket are fixedly connected on the side of the nut
Outer diameter be greater than or equal to the outer diameter of the nut, the circumference of second gasket is provided with several second double wedges, described second
Double wedge is convexly equipped in the circumference of second gasket along radially extending for second gasket.
As a preferred technical solution of the invention, second double wedge and second gasket are far from the nut
Side in angle be arranged.
As a preferred technical solution of the invention, second gasket and the nut-welding are connected as two-body.
As a preferred technical solution of the invention, second gasket and the nut two are body formed.
In another aspect, providing a kind of pipeline electrically conductive connection method, using above-mentioned screw bolt and nut, the bolt passes through phase
Bolt hole on the connecting flange of adjacent two pipelines, and be screwed on the nut in one end of the bolt head far from the bolt.
As a preferred technical solution of the invention, comprising the following steps:
Step S100, the bolt is passed through to the bolt hole on the connecting flange of two neighboring pipeline,
Step S200, the nut is rotatably connected on the bolt；
Step S300, the nut is screwed in into the bolt, contacts the nut and the surface of the connecting flange；
Step S400, the bolt is rotated, the first double wedge and the connecting flange on the first gasket of the bolt are made
Surface scrape；
Step S500, the nut is tightened, being connected and fixed for pipeline is completed.
The invention has the benefit that the first pad is fixedly installed on the side of screw rod by the bolt head in bolt
Piece, and several first double wedges are set on the first gasket, the second gasket is fixedly installed on the side of nut, and in the second gasket
Upper several second double wedges of setting, when carrying out the connection of connecting flange of pipeline, during screw bolt and nut is tightened, first
The end face of double wedge and the second double wedge and connecting flange relatively rotates, thus scratch fall connecting flange end face on paint and
Rusty stain etc., to guarantee the contact area between screw bolt and nut and connecting flange, guarantee screw bolt and nut and connecting flange it
Between electric conductivity, and then realize by the electrical connection between bolts and nuts the conductive connection between two neighboring pipeline.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is the structural schematic diagram of bolt described in the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of nut described in the embodiment of the present invention.
Fig. 3 is the side view of nut described in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of pipeline described in the embodiment of the present invention.
In figure:
1, bolt；11, bolt head；12, screw rod；13, the first gasket；14, the first double wedge；2, nut；21, the second gasket；
22, the second double wedge.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
As shown in Figures 1 to 4, in this present embodiment, a kind of bolt of the present invention, including bolt head 11 and and bolt head
11 screw rods 12 being fixedly connected, bolt head 11 are fixedly connected with the first gasket 13, the first gasket 13 on the side of screw rod 12
Outer diameter be greater than or equal to the diameter of bolt head 11, the circumference of the first gasket 13 is provided with several first double wedges 14, the first double wedge
14 are convexly equipped in the circumference of the first gasket 13 along radially extending for the first gasket 13.
The first gasket 13 is fixedly installed on the side of screw rod 12 by the bolt head 11 in bolt 1, and in the first pad
Several first double wedges 14 are set on piece 13, when carrying out the connection of connecting flange of pipeline using bolt 1,1 company of being arranged in of bolt
On the connecting hole of acting flange, and the first double wedge 14 is abutted with the end face of connecting flange, and in 1 rundown process of bolt, first is convex
Tooth 14 and the end face of connecting flange relatively rotate, thus the first gasket on the end face for the connecting flange that scratches with bolt 1
Paint and rusty stain of the position of 13 faces etc. guarantee the to guarantee the contact area between the first gasket 13 and connecting flange
Electric conductivity between one gasket 13 and connecting flange, so by between the first gasket 13 and bolt 1 being electrically connected realize it is adjacent
Conductive connection between two pipelines.
Further, since the first gasket 13 is fixedly connected with bolt head 11, effectively avoid the first gasket 13 and bolt 1 it
Between relative motion, avoid frictional force during tightening bolt 1 between first gasket 13 and bolt head 11 less than first
When frictional force between gasket 13 and connecting flange, bolt 1 is unable to drive the rotation of the first gasket 13 and realizes table to connecting flange
The effect of paint-removing and rusty stain is gone in the scratch in face.And be fixedly connected with the first gasket 13 with bolt head 11, may also function as prevents
The case where gasket was omitted during installing occurs, and further ensure that electric conductivity when piping connection.
In one embodiment of the invention, the side of the first double wedge 14 and the first gasket 13 far from bolt head 11 is in angle
Setting.
Preferably, the inclined direction of the first double wedge 14 is consistent with the tightening direction of bolt 1.By the way that the first double wedge 14 is arranged
It is arranged between bolt head 11 in angle, and keeps the inclined direction of the first double wedge 14 consistent with the tightening direction of bolt 1, it can be effective
Guarantee the scratch on the surface of connecting flange is acted in 1 rundown process of bolt, the effective oil for removing connecting flange surface
Paint, rusty stain etc. influence substance, guarantee the electric conductivity between the first gasket 13 and connecting flange.
In embodiments of the present invention, the first gasket 13 is integrated or the first gasket 13 and bolt with the welded connecting of bolt head 11
First 11 are integrally formed.
In other embodiments, other means also can be used and realize being fixedly connected to the first gasket 13 and bolt head 11,
As long as can guarantee that relative motion is not occurring between the first gasket 13 and bolt 1 in 1 rundown process of bolt.
A kind of nut is additionally provided in the present invention, and the second gasket 21, the second gasket are fixedly connected on the side of nut 2
21 outer diameter is greater than or equal to the outer diameter of nut 2, and the circumference of the second gasket 21 is provided with several second double wedges 22, the second double wedge 22
The circumference of the second gasket 21 is convexly equipped in along radially extending for the second gasket 21.
By the way that the second gasket 21 is fixedly installed on the side of nut 2, and it is convex on the second gasket 21 to be arranged several second
Tooth 22, when carrying out the connection of connecting flange of pipeline using nut 2, the second double wedge 22 is abutted with the end face of connecting flange,
In 1 rundown process of bolt, the end face of the second double wedge 22 and connecting flange relatively rotates, thus the end for the connecting flange that scratches
With the paint of the position of 21 face of the second gasket of nut 2 and rusty stain etc. on face, to guarantee the second gasket 21 and connecting flange
Between contact area, guarantee the electric conductivity between the second gasket 21 and connecting flange, and then pass through the second gasket 21 and nut 2
Between electrical connection and the connection of nut 2 and bolt 1 realize the conductive connection between two neighboring pipeline.
In embodiments of the present invention, the side of the second double wedge 22 and the second gasket 21 far from nut 2 is arranged in angle.
Preferably, the inclined direction of the second double wedge 22 is consistent with the tightening direction of nut 2.By the way that the second double wedge 22 is arranged
It is arranged between nut 2 in angle, and keeps the inclined direction of the second double wedge 22 consistent with the tightening direction of nut 2, it can be effective
Guarantee to act on the scratch on the surface of connecting flange in 2 rundown process of nut, the effective paint for removing connecting flange surface,
Rusty stain etc. influences substance, guarantees the electric conductivity between the second gasket 21 and connecting flange.
In embodiments of the present invention, the second gasket 21 is integrated with the welded connecting of nut 2, the second gasket 21 and nut 2 one
It is body formed.
In other embodiments, other means also can be used and realize being fixedly connected to the second gasket 21 and nut 2, as long as
Can guarantee that relative motion is not occurring between the second gasket 21 and nut 2 in 2 rundown process of nut.
In a specific embodiment of this hair, the connection of pipeline is carried out using above-mentioned bolt 1 and nut 2, is passed through
The first double wedge 14 on bolt 1 and the second double wedge 22 on nut 2 are respectively to the paint and rust on two end faces of connecting flange
The scratch of the substances such as mark removes, and conductive by the connection between bolt 1 and nut 2, realizes the electricity of two neighboring connecting flange
Connection, ensure that the electric conductivity of pipeline, to realize the ground connection of pipeline.
A kind of pipeline electrically conductive connection method is also provided in embodiments of the present invention, uses above-mentioned bolt 1 and nut 2, spiral shell
Bolt 1 passes through 1 hole of bolt on the connecting flange of two neighboring pipeline, and is screwed on spiral shell in one end of the bolt head 11 far from bolt 1
Mother 2.
Specifically, the following steps are included:
Step S100, bolt 1 is passed through to 1 hole of bolt on the connecting flange of two neighboring pipeline,
Step S200, nut 2 is rotatably connected on bolt 1；
Step S300, nut 2 is screwed in into bolt 1, contacts nut 2 with the surface of connecting flange；
Step S400, bolt 1 is rotated, the surface of the first double wedge 14 and connecting flange on the first gasket 13 of bolt 1 is made
It scrapes；
Step S500, nut 2 is tightened, being connected and fixed for pipeline is completed.
By when the nut 2 of bolt 1 and the second gasket of band 21 using the first gasket of band 13 is realized to the connection of pipeline,
Bolt 1 and nut 2 are rotated respectively, the substances such as paint and the rusty stain on the contact surface of connecting flange can be effectively removed, into one
The electric conductivity of step improved between bolt 1 and nut 2 and connecting flange, guarantees the electrical connection of two neighboring connecting flange, guarantees
The electric conductivity of pipeline, to realize the ground connection of pipeline.
In the description of this article, it is to be understood that term " on ", "lower", "left", "right", etc. orientation or positional relationships
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of description and simplification operation, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In addition, term " first ", " second ", are only used to distinguish between description, have no special meaning.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.?
In this specification, schematic expression of the above terms be may not refer to the same embodiment or example.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the embodiments can also be appropriately combined, and forming those skilled in the art can
With the other embodiments of understanding.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of bolt, including bolt head and the screw rod being fixedly connected with the bolt head, which is characterized in that the bolt head leans on
The first gasket is fixedly connected on the side of the nearly screw rod, the outer diameter of first gasket is greater than or equal to the bolt head
Diameter, the circumference of first gasket are provided with several first double wedges, and first double wedge prolongs along the radial direction of first gasket
Stretch the circumference for being convexly equipped in first gasket.
2. bolt according to claim 1, which is characterized in that first double wedge and first gasket are far from the spiral shell
The side of bolt head is arranged in angle.
3. bolt according to claim 1, which is characterized in that it is one that first gasket is welded to connect with the bolt head
Body.
4. bolt according to claim 1, which is characterized in that first gasket and the bolt head are integrally formed.
5. a kind of nut, which is characterized in that be fixedly connected with the second gasket on the side of the nut, second gasket it is outer
Diameter is greater than or equal to the outer diameter of the nut, and the circumference of second gasket is provided with several second double wedges, second double wedge
The circumference of second gasket is convexly equipped in along radially extending for second gasket.
6. nut according to claim 5, which is characterized in that second double wedge and second gasket are far from the spiral shell
Female side is arranged in angle.
7. nut according to claim 5, which is characterized in that second gasket and the nut-welding are connected as two
Body.
8. nut according to claim 5, which is characterized in that second gasket and the nut two are body formed.
9. a kind of pipeline electrically conductive connection method, which is characterized in that use the described in any item bolts of Claims 1-4 4 and right
It is required that 5 to 8 described in any item nuts, the bolt passes through the bolt hole on the connecting flange of two neighboring pipeline, and remote
One end of bolt head from the bolt is screwed on the nut.
10. electrically conductive connection method according to claim 9, which comprises the following steps:
Step S100, the bolt is passed through to the bolt hole on the connecting flange of two neighboring pipeline,
Step S200, the nut is rotatably connected on the bolt；
Step S300, the nut is screwed in into the bolt, contacts the nut and the surface of the connecting flange；
Step S400, the bolt is rotated, the table of the first double wedge and the connecting flange on the first gasket of the bolt is made
Face scrapes；
Step S500, the nut is tightened, being connected and fixed for pipeline is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568989.9A CN110296138A (en) | 2019-06-27 | 2019-06-27 | Bolt, nut and pipeline electrically conductive connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568989.9A CN110296138A (en) | 2019-06-27 | 2019-06-27 | Bolt, nut and pipeline electrically conductive connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110296138A true CN110296138A (en) | 2019-10-01 |
Family
ID=68029276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910568989.9A Pending CN110296138A (en) | 2019-06-27 | 2019-06-27 | Bolt, nut and pipeline electrically conductive connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110296138A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372795Y (en) * | 1999-06-18 | 2000-04-05 | 江苏宇龙冶金电炉附件厂 | Fastening pipe joint |
| CN202867499U (en) * | 2012-10-11 | 2013-04-10 | 浙江吉利汽车有限公司 | Electrical ground bolt |
| CN205001306U (en) * | 2015-08-25 | 2016-01-27 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and screw |
| CN207660964U (en) * | 2017-11-09 | 2018-07-27 | 宝沃汽车（中国）有限公司 | Nut and vehicle with it |
| CN108413153A (en) * | 2018-05-31 | 2018-08-17 | 广船国际有限公司 | A kind of pipeline flange connection conductive method |
-
2019
- 2019-06-27 CN CN201910568989.9A patent/CN110296138A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372795Y (en) * | 1999-06-18 | 2000-04-05 | 江苏宇龙冶金电炉附件厂 | Fastening pipe joint |
| CN202867499U (en) * | 2012-10-11 | 2013-04-10 | 浙江吉利汽车有限公司 | Electrical ground bolt |
| CN205001306U (en) * | 2015-08-25 | 2016-01-27 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and screw |
| CN207660964U (en) * | 2017-11-09 | 2018-07-27 | 宝沃汽车（中国）有限公司 | Nut and vehicle with it |
| CN108413153A (en) * | 2018-05-31 | 2018-08-17 | 广船国际有限公司 | A kind of pipeline flange connection conductive method |
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Application publication date: 20191001 |
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| RJ01 | Rejection of invention patent application after publication |