CN207961841U - Pipe joint, conveyance conduit and transport system - Google Patents
Pipe joint, conveyance conduit and transport system Download PDFInfo
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- CN207961841U CN207961841U CN201820153788.3U CN201820153788U CN207961841U CN 207961841 U CN207961841 U CN 207961841U CN 201820153788 U CN201820153788 U CN 201820153788U CN 207961841 U CN207961841 U CN 207961841U
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Abstract
A kind of pipe joint of the utility model offer, conveyance conduit and transport system, including：Preceding connecting tube, rear connecting tube and bellows；For being connected to preceding segment pipe, the rear end of preceding connecting tube is connected to the first end of bellows for the front end of preceding connecting tube；The front end of connecting tube is connected to the second end of bellows afterwards, and the rear end of rear connecting tube with rear segment pipe for being connected to；So that when the tomography of the earth's crust occurs mobile, bellows is reduced the moment of flexure that preceding segment pipe and rear segment pipe are subject to by elastic deformation can first occur after moment of flexure, and then avoids preceding segment pipe and the bending fracture of rear segment pipe.
Description
Technical field
The utility model is related to oil gas conveying device manufacturing technology field more particularly to a kind of pipe joint, conveyance conduits
And transport system.
Background technology
With the exploitation of oil and natural gas and the gradual maturation of Detection Techniques, more and more oil gas are produced and add
Between work, the wherein position of oil/gas well and the factory for processing oil gas and the distance between the user of factory and oil gas often compared with
Far, therefore oil gas how is transported as the hot spot of research.
In the prior art, since oil gas belongs to inflammable articles so that it is higher by the danger of communications and transportation oil gas, therefore
Oil gas is transported often through the pipeline for being embedded in underground；Pipeline is generally formed by multiple steel-pipe weldings, i.e., previous steel pipe
Rear end and the front end of latter steel pipe weld together, to realize the connection between two neighboring steel pipe；In order to reduce on ground
Influence of the object to pipeline, pipeline need to be embedded in the deeper position of below ground；When being laid with pipeline, need first to open up hole on the ground
Pipeline is laid on the bottom in tunnel, finally fills and leads up tunnel by road later.
However, the tomography due to the earth's crust can move, when tomography moves, being embedded with the soil layer of pipeline can move therewith
It is dynamic；Pipeline is easy to happen fracture by the active force of soil layer.
Utility model content
In view of this, a kind of pipe joint of the utility model offer, conveyance conduit and transport system, to solve due to ground
Large deformation effect that is mobile and then causing pipeline occurs for the tomography of shell, and when tomography moves, the soil layer for being embedded with pipeline can be therewith
It is mobile；Pipeline is by the active force of soil layer, the technical issues of being easy to happen fracture.
The utility model provides a kind of pipe joint, including：Preceding connecting tube, rear connecting tube and bellows；Before described
For being connected to preceding segment pipe, the rear end of the preceding connecting tube is connected to the first end of the bellows for the front end of connecting tube；Institute
The front end for stating rear connecting tube is connected to the second end of the bellows, and the rear end of the rear connecting tube is used for and rear segment pipe connects
It is logical.
Pipe joint as described above, it is preferable that further include limiting device, the limiting device respectively with the preceding connection
Pipe and it is described after connecting tube connect, turned to preset direction for working as the preceding connecting tube relative to the connecting tube afterwards described
When between the axis of preceding connecting tube and the axis of the rear connecting tube in default angle, prevent the preceding connecting tube relative to described
Connecting tube is rotated to preset direction afterwards.
Pipe joint as described above, it is preferable that the limiting device includes first connecting rod and second connecting rod, and described
The front end of one connecting rod is connect with the preceding connecting tube, and the rear end of the first connecting rod and the front end of the second connecting rod are hinged, institute
The rear end for stating second connecting rod is connect with the rear connecting tube；The rear end of the first connecting rod is formed with the first stopper section, and described
The front end of two connecting rods is formed with the second stopper section；When the preceding connecting tube relative to it is described after connecting tube turned to preset direction
When default angle, second stopper section is supported in first stopper section, to prevent the preceding connecting tube relative to connecting after described
It takes over to preset direction and rotates.
Pipe joint as described above, it is preferable that third stopper section is additionally provided on the first connecting rod, described second connects
The 4th stopper section is additionally provided on bar；When the preceding connecting tube relative to it is described after connecting tube to the direction opposite with preset direction
Turn to the axis of the preceding connecting tube with it is described after the axis of connecting tube be in default angle when, third stopper section supports described the
Four stopper sections, to prevent the preceding connecting tube from being rotated to the direction opposite with preset direction relative to the rear connecting tube.
Pipe joint as described above, it is preferable that further include being separately positioned on the preceding connecting tube and the rear connecting tube
On the first connecting plate and the second connecting plate, first connecting plate connect with the first connecting rod, second connecting plate with
The second connecting rod connection.
Pipe joint as described above, it is preferable that offer the first mounting hole on first connecting plate, connected before described
Pipe is threaded through in first mounting hole and the preceding connecting tube and the side wall of first mounting hole are interference fitted；Described
The second mounting hole is offered on two connecting plates, the rear connecting tube is threaded through in second mounting hole and connecting tube after described
It is interference fitted with the side wall of second mounting hole.
Pipe joint as described above, it is preferable that the limiting device further includes third connecting rod and fourth link, and described
The front end of three-link is connect with the preceding connecting tube, and the rear end of the third connecting rod and the front end of the fourth link are hinged, institute
The rear end for stating fourth link is connect with the rear connecting tube；The 5th stopper section is provided on the third connecting rod, the described 4th connects
The 6th stopper section is provided on bar, when the preceding connecting tube relative to it is described after connecting tube to the direction opposite with preset direction turn
It is in when presetting angle to move to the axis of the preceding connecting tube and the axis of the rear connecting tube, and the 5th stopper section supports the described 6th
Stopper section, to prevent the preceding connecting tube from being rotated to the direction opposite with preset direction relative to the rear connecting tube.
Pipe joint as described above, it is preferable that the 7th stopper section is additionally provided on the third connecting rod, the described 4th connects
The 8th stopper section is additionally provided on bar；When second stopper section is supported in first stopper section, the 7th stopper section is supported described
8th stopper section.
The utility model also provides a kind of conveyance conduit, including：Preceding segment pipe, rear segment pipe and pipeline as described above
The both ends of connector, the pipe joint are connected to the preceding segment pipe and the rear segment pipe respectively.
The utility model also provides a kind of transport system, including conveyance conduit as described above, and the conveyance conduit is more
A, multiple conveyance conduits are arranged successively in the conveying direction.
Pipe joint, conveyance conduit and transport system provided by the utility model, by the front end of connecting tube before making with
Preceding segment pipe connection, the rear end of preceding connecting tube are connected to the first end of bellows, the front end of rear connecting tube and the second of bellows
End connection, the rear end of rear connecting tube is connected to rear segment pipe；So that when the tomography of the earth's crust occurs mobile, bellows is by moment of flexure
After elastic deformation can first occur, reduce the moment of flexure that preceding segment pipe and rear segment pipe are subject to, so avoid preceding segment pipe and after
Segment pipe bending fracture.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the pipe joint that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of bellows in the pipe joint that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of the first connecting plate in Fig. 1；
Fig. 4 is the structural schematic diagram for the transport system that the utility model embodiment provides.
Reference sign：
10, preceding segment pipe；
20, preceding connecting tube；
30, bellows；
40, rear connecting tube；
50, rear segment pipe；
60, limiting device；
70, the first connecting plate；
80, the second connecting plate；
301, bulge loop；
302, concave ring；
601, first connecting rod；
602, second connecting rod；
603, the first stopper section；
604, the second stopper section；
605, third connecting rod；
606, fourth link；
701, the first mounting hole；
702, third mounting hole.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
In the present invention, unless otherwise specific regulation, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, and can also be dismountable connection for example, it may be being fixedly connected, or be integrally formed, and can be machinery
Connection can also be electrical connection or can communicate each other；It can be directly connected, can also be indirectly connected with by intermediate medium,
Can be the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Fig. 1 is the structural schematic diagram for the pipe joint that the utility model embodiment provides；Fig. 2 is the utility model embodiment
The structural schematic diagram of bellows in the pipe joint of offer；Fig. 3 is the structural schematic diagram of the first connecting plate in Fig. 1.Please refer to figure
1- Fig. 3.The present embodiment provides a kind of pipe joints, including：Preceding connecting tube 20, rear connecting tube 40 and bellows 30；Preceding connection
For being connected to preceding segment pipe 10, the rear end of preceding connecting tube 20 is connected to the first end of bellows 30 for the front end of pipe 20；After connect
The front end of pipe 40 is connected to the second end of bellows 30, and the rear end of rear connecting tube 40 with rear segment pipe 50 for being connected to.
Specifically, the present embodiment is not limited preceding connecting tube 20 and the material of rear connecting tube 40, such as：Preceding connecting tube 20
The metal tube that all can be mainly made of the metal of iron, copper, aluminium with rear connecting tube 40 or mainly non-by plastics, rubber etc.
The non-metallic pipe that metal material is constituted；Certainly, preceding connecting tube 20 and the material of rear connecting tube 40 can also be different, such as：Preceding company
Take over 20 is metal tube, and rear connecting tube 40 is non-metallic pipe.It should be noted that current connecting tube 20 is gold with rear connecting tube 40
When belonging to pipe, anticorrosive paint can be smeared on the outer surface of preceding connecting tube 20 and rear connecting tube 40, or in preceding connecting tube 20 with after
The outer surface of connecting tube 40 coats one layer of anti-corrosion film, and anti-corrosion film can be rubber membrane, plastic foil etc. mainly by corrosion-resistant material
Texture at film.
Preferably, preceding connecting tube 20 and the cross sectional shape of rear connecting tube 40 are rounded in the present embodiment.
Specifically, preceding segment pipe 10 and rear segment pipe 50 are respectively the pipeline for being located at pipe joint both sides on oil-gas pipeline,
Oil gas well mining come out oil or natural gas flowed by preceding segment pipe 10, successively pass through preceding connecting tube 20, bellows 30 with
And flowed out by rear segment pipe 50 after rear connecting tube 40, and then it is delivered to destination, to realize the conveying to oil gas.
Preferably, the present embodiment is not limited the material of preceding segment pipe 10 and rear segment pipe 50, such as：Preceding segment pipe 10
Can be the metal tube being mainly made of the metal of iron, copper, aluminium with rear segment pipe 50, or mainly non-by plastics, rubber etc.
The non-metallic pipe that metal material is constituted.
Specifically, connection type of the present embodiment between preceding connecting tube 20 and preceding segment pipe 10 is not limited, as long as protecting
Demonstrate,prove oil gas will not by between preceding connecting tube 20 and preceding segment pipe 10 overflow, such as：Current connecting tube 20 and preceding segment pipe 10
When being metal tube, it can be connected by welding between preceding connecting tube 20 and preceding segment pipe 10；Or in preceding segment pipe
10 rear end is formed with first flange disk, and second flange disk, first flange disk and second are formed in the front end of preceding connecting tube 20
It is linked together by fastening bolt between ring flange, with the connection between connecting tube before realization 20 and preceding segment pipe 10；In addition,
It can be formed with the first external screw thread in the rear end of preceding segment pipe 10, the first internal thread is formed on the inner wall of preceding connecting tube 20, the
The cooperation of one internal and external screw thread is to realize preceding connection between connecting tube 20 and preceding segment pipe 10.The present embodiment posterior segment pipeline 50 with
Connection type afterwards between connecting tube 40 is identical as the connection type between preceding connecting tube 20 and preceding segment pipe 10, with reference to preceding connection
The description of connection type between pipe 20 and preceding segment pipe 10, details are not described herein.
Specifically, bellows 30 includes the concave ring 302 that tube wall protrudes above the bulge loop 301 to be formed and recess is formed, bulge loop
301 are disposed adjacent with concave ring 302；When bellows 30 is by certain moment of flexure, elastic shape occurs for bulge loop 301 and/or concave ring 302
Become, so as to have certain angle between the axis at 30 both ends of bellows；The pipe thickness of bellows 30 will not change at this time
Become, does not interfere with the intensity of tube wall；When moment of flexure disappears, bellows 30 can restore to the original state, i.e. the axis at 30 both ends of bellows
Collinearly.The present embodiment is not limited the material of bellows 30, such as：Bellows 30 can be mainly by metal materials such as copper, iron, aluminium
Texture at or bellows 30 be made of non-metallic materials such as plastics, rubber.
Preferably, the bulge loop 301 on bellows 30 is odd number so that the centre of bellows 30 is bulge loop 301；Due to working as
When bellows 30 is by moment of flexure, the deflection in the centre position of bellows 30 is maximum, and the maximum flexibility deformation quantity of bulge loop 301 is big
Bulge loop 301 in the maximum flexibility deformation quantity of concave ring 302, therefore on bellows 30 can increase bellows 30 for odd number to be held
The maximal bending moment received.
Specifically, connection type of the present embodiment between the first end and preceding connecting tube 20 of bellows 30 is not limited,
Such as：It is formed with third ring flange in the first end of bellows 30, the 4th ring flange is formed on the rear end of preceding connecting tube 20, the
It is connected by fastening bolt between three ring flanges and the 4th ring flange；Or it is formed with the second outer spiral shell in the outside of preceding connecting tube 20
Line is formed with the second internal thread on the first end inner wall of bellows 30, and the second internal thread and the second external screw thread coordinate, to realize
Connection between bellows 30 and preceding connecting tube 20.Connection type between the second end of bellows 30 and rear connecting tube 40 and wave
Connection type between the first end of line pipe 30 and preceding connecting tube 20 is identical, and details are not described herein.
Preferably, bellows 30, preceding connecting tube 20 and rear connecting tube 40 are made of the present embodiment 304 stainless steels, with
Ensure that pipe joint has higher corrosion resistance.The both ends of corresponding bellows 30 can respectively with preceding connecting tube 20 and after
Connecting tube 40 connects by welding, to simplify the assembly difficulty of pipe joint.304 stainless steels are that a kind of content of nickel is big
It is more than 18% steel in the content of 8% and chromium, therefore there is preferable corrosion resistance；Other 304 stainless steel has preferable
Processing performance and welding performance can reduce difficulty of processing.
The installation process of pipe joint provided in this embodiment is：Tunnel is opened up downwards on ground first, later by front end
Pipeline and rear end pipeline are laid in tunnel, then preceding connecting tube 20 is connect with front pipeline, rear connecting tube 40 and rear portion pipeline
Connection, finally fills and leads up tunnel, and then realizes the installation of pipe joint.
When the earth's crust tomography where tunnel occurs mobile, the soil layer for being embedded with pipeline can be made to move so that leading portion
Pipeline 10, rear segment pipe 50 and bellows 30 are acted on by moment of flexure simultaneously, at this time 30 bulge loop 301 of bellows and/or concave ring
302 occur elastic deformations, so as to have certain angle between the axis at 30 both ends of bellows, and then before avoiding segment pipe 10 or
Segment pipe 50 is broken afterwards.
Pipe joint provided in this embodiment is connected to by the front end of connecting tube before making 20 with preceding segment pipe 10, preceding connection
The rear end of pipe 20 is connected to the first end of bellows 30, and the front end of rear connecting tube 40 is connected to the second end of bellows 30, after connect
The rear end of take over 40 is connected to rear segment pipe 50；So that when the tomography of the earth's crust occurs mobile, bellows 30 is by meeting after moment of flexure
Elastic deformation first occurs, reduces the moment of flexure that preceding segment pipe 10 and rear segment pipe 50 are subject to, and then avoids 10 He of preceding segment pipe
The bending of segment pipe 50 fracture afterwards.
With continued reference to Fig. 1.Specifically, pipe joint provided in this embodiment further includes limiting device 60, limiting device 60
It connect with preceding connecting tube 20 and rear connecting tube 40, turns to preset direction relative to rear connecting tube 40 for current connecting tube 20 respectively
When moving between the axis of preceding connecting tube 20 and the axis of rear connecting tube 40 in default angle, prevent preceding connecting tube 20 relative to rear
Connecting tube 40 is rotated further.Limiting device 60 can be between the axis and the axis of rear connecting tube 40 of preceding connecting tube 20 in default
When angle, preceding connecting tube 20 is prevented to continue to preset direction rotation relative to rear connecting tube 40, so avoid bellows 30 because
The angle of rotation is excessive, and caused bellows 30 damages.
For convenient for description, the soil layer residing for former connecting tube 20 is moved up relative to the soil layer residing for rear connecting tube 40
In case of illustrate, at this time before connecting tube 20 under the action of soil layer, be rotated up relative to rear connecting tube 40, with this
Meanwhile bellows 30 is acted on by moment of flexure so that flexible deformation occurs for bulge loop 301 and concave ring 302 on bellows 30；Currently
When the axis of connecting tube 20 and the axis of rear connecting tube 40 are in default angle, limiting device 60 prevents preceding connecting tube 20 relative to rear
Connecting tube 40 continues up rotation, and then avoids the deflection of bellows 30 excessive.
Preferably, default angle is under the premise of ensureing that bellows 30 will not be damaged, the axis of preceding connecting tube 20 with
Minimum angle between the axis of connecting tube 40 afterwards；The present embodiment is not limited default angle, and those skilled in the art can be with
According to the material and/or size of bellows 30, different size of default angle is set.
Preferably, the present embodiment is not limited limiting device 60, as long as ensureing in preceding connecting tube 20 relative to rear connection
When pipe 40 is turned between the axis of preceding connecting tube 20 and the axis of rear connecting tube 40 to preset direction in default angle, before prevention
Connecting tube 20 continues to rotate to preset direction relative to rear connecting tube 40；Such as：Limiting device 60 may include casing and
Telescopic mast is provided with limited block in casing, and the first end of casing is hinged with preceding connecting tube 20, and the first end of telescopic mast is by casing
Second end penetrates, and the second end of telescopic mast is hinged with rear connecting tube 40；Current connecting tube 20 is relative to rear connecting tube 40 to default
When direction rotates, the first end of telescopic mast is moved to the inside of casing；Position of the rational setting limited block in casing, can be with
When so that between the axis and the axis of rear connecting tube 40 of current connecting tube 20 being in default angle, telescopic mast is supported in limited block
On, and then preceding connecting tube 20 is prevented to continue to rotate to preset direction relative to rear connecting tube 40.
With continued reference to Fig. 1.Specifically, limiting device 60 includes first connecting rod 601 and second connecting rod 602, first connecting rod
601 front end is connect with preceding connecting tube 20, and the rear end of first connecting rod 601 is hinged with the front end of second connecting rod 602, second connecting rod
602 rear end is connect with rear connecting tube 40；The rear end of first connecting rod 601 is formed with the first stopper section 603, second connecting rod 602
Front end is formed with the second stopper section 604；Current connecting tube 20 turns to default angle relative to rear connecting tube 40 to preset direction
When, second stopper section 604 is supported in the first stopper section 603, with the preceding connecting tube 20 of prevention relative to rear connecting tube 40 to default
Direction rotates.Manufacture simple in structure and easy to process.It should be noted that between pipe laying connector, it need to be to buried pipeline
Tomography be detected, to determine the moving direction of tomography, and then preceding connecting tube 20 caused by ensureing tomography movement is relative to rear
The rotation direction of connecting tube 40 is identical as preset direction, in order to avoid the limit failure of limiting device 60.
Preferably, connection type of the present embodiment between first connecting rod 601 and preceding connecting tube 20 is not limited, such as：
The front end of first connecting rod 601 can be connect by welding or bolted mode with the side wall of preceding connecting tube 20.Second connects
Connection type between bar 602 and rear connecting tube 40 is identical as the connection type between first connecting rod 601 and preceding connecting tube 20,
This is repeated no more.
Preferably, the present embodiment is not limited the shape of first connecting rod 601 and second connecting rod 602, such as：First connecting rod
601 and second connecting rod 602 can regular shapes or the first connecting rod 601 and second connecting rod 602 such as cylindrical, prism-shaped
It is in irregular shape.
Preferably, the present embodiment pair the first stopper section 603 and the second stopper section 604 are not limited, for ease of description, with
For first connecting rod 601 and the rectangular plate of second connecting rod 602, first connecting rod 601 is parallel with the plate face of second connecting rod 602 to be set
It sets, and the articulated shaft between first connecting rod 601 and second connecting rod 602 is arranged perpendicular to plate face, the first stopper section 603 can be at this time
For in 601 rear end of first connecting rod and by the first boss of the position of proximal edges formation, corresponding second stopper section 604 is second
The front end of connecting rod 602 and with the second boss that is formed on the position of 603 homonymy of the first stopper section, the axis of current connecting tube 20 with
When afterwards between the axis of connecting tube 40 in default angle, first boss supports second boss；Or first stopper section 603 be the
One connecting rod, 601 rear end and the first boss formed by the position of proximal edges, the second stopper section 604 are before second connecting rod 602
It holds and supports bolt with what is be arranged on the position of 603 homonymy of the first stopper section, screw thread is offered on the front end of second connecting rod 602
Hole is supported bolt and is screwed in threaded hole；When between the axis and the axis of rear connecting tube 40 of current connecting tube 20 in default angle,
First boss supports bolt；It adjusts and supports the distance that bolt screws in threaded hole, thus it is possible to vary support bolt and protrude from the
The distance of two connecting rods, 602 front end, and then first boss is adjusted when supporting bolt, angle between preceding connecting tube 20 and rear connecting tube 40
Size.
Specifically, it is additionally provided with third stopper section on first connecting rod 601, the 4th backstop is additionally provided on second connecting rod 602
Portion；Before current connecting tube 20 is turned to relative to rear connecting tube 40 to the direction opposite with preset direction the axis of connecting tube 20 with
When the axis of connecting tube 40 is in default angle afterwards, the 4th stopper section is supported in third stopper section, with connecting tube before prevention 20 relative to
Connecting tube 40 is rotated to the direction opposite with preset direction afterwards.Can to avoid in preceding connecting tube 20 relative to rear connecting tube 40 to pre-
The negative direction rotational angle of set direction is excessive.
Preferably, the first axis hole and the second axis hole, articulated shaft are offered respectively on first connecting rod 601 and second connecting rod 602
It is threaded through in the first axis hole and the second axis, to realize being hinged between first connecting rod 601 and second connecting rod 602；Third stopper section
The axis both sides of the first axis hole are located at the first stopper section 603；Distinguish position with the second stopper section 604 respectively in 4th stopper section
In the both sides of the second axis hole axis；It is further preferred that third stopper section is identical as the structure of the first stopper section 603, the 4th stops
Stopper and the structure of the second stopper section 604 are washed identical, and details are not described herein.
With continued reference to Fig. 1.Specifically, pipe joint provided in this embodiment further includes 20 He of connecting tube before being separately positioned on
The first connecting plate 70 and the second connecting plate 80 in connecting tube 40, the first connecting plate 70 are connect with first connecting rod 601 afterwards, and second connects
Fishplate bar 80 is connect with second connecting rod 602.Avoid first connecting rod 601 and second connecting rod 602 respectively with preceding connecting tube 20 and after connect
Take over 40 is directly connected to, caused by preceding connecting tube 20 and rear connecting tube 40 connection wild effect.
Preferably, one end of the first connecting plate 70 is connect by welding with the side wall of preceding connecting tube 20, and first connects
The other end of fishplate bar 70 is connect with the front end of first connecting rod 601 by welding or bolted mode；Second connecting plate 80
One end connect by welding with the side wall of rear connecting tube 40, the other end of the second connecting plate 80 and second connecting rod 602
Rear end by welding or bolted mode connect.
With continued reference to Fig. 3.Specifically, the first mounting hole 701 is offered on the first connecting plate 70, preceding connecting tube 20 is threaded through
In first mounting hole 701 and the side wall of preceding 20 and first mounting hole 701 of connecting tube is interference fitted；It is opened up on second connecting plate 80
There is the second mounting hole, rear connecting tube 40 is threaded through in the second mounting hole and the side wall interference of 40 and second mounting hole of rear connecting tube
Cooperation.Preceding connecting tube 20 need to be only threaded through in the first mounting hole 701 can be realized the first connecting plate 70 and preceding connecting tube 20 it
Between connection；Rear connecting tube 40 is threaded through in the second mounting hole and can be realized between the second connecting plate 80 and rear connecting tube 40
Connection, it is easy for installation, convenient for assembly.
Preferably, it is further opened with third mounting hole 702 on the first connecting plate 70, it, first will be before first connecting rod 601 when installation
End is threaded through in third mounting hole 702, later again welds together first connecting rod 601 and the first connecting plate 70, to enhance the
Bonding strength between one connecting rod 601 and the first connecting plate 70.It is further preferred that offering the 4th on the second connecting plate 80
The rear end of second connecting rod 602 when installation, is first threaded through in the 4th mounting hole, later again by second connecting rod 602 and by mounting hole
Two connecting plates 80 weld together, to enhance bonding strength between second connecting rod 602 and the second connecting plate 80.
With continued reference to Fig. 1.Specifically, limiting device 60 further includes third connecting rod 605 and fourth link 606, third connecting rod
605 front end is connect with preceding connecting tube 20, and the rear end of third connecting rod 605 is hinged with the front end of fourth link 606, fourth link
606 rear end is connect with rear connecting tube 40；Third connecting rod 605 and fourth link 606 respectively with first connecting rod 601 and second connecting rod
602 are oppositely arranged；It is provided with the 5th stopper section on third connecting rod 605, the 6th stopper section is provided in fourth link 606, currently
The axis of connecting tube 20 is connect with after before connecting tube 20 is turned to relative to rear connecting tube 40 to the direction opposite with preset direction
When the axis of pipe 40 is in default angle, the 6th stopper section is supported in the 5th stopper section, with the preceding connecting tube of prevention 20 relative to rear connection
Pipe 40 is rotated to the direction opposite with preset direction.Can to avoid in preceding connecting tube 20 relative to rear connecting tube 40 to preset direction
Negative direction rotational angle it is excessive.
Preferably, the structure of third connecting rod 605 and fourth link 606 respectively with first connecting rod 601 and second connecting rod 602
Structure is identical, and details are not described herein.It should be noted that third connecting rod 605 and first connecting rod 601 are relative to preceding connecting tube 20
Axisymmetrical is arranged, while axisymmetrical of the fourth link 606 with second connecting rod 602 relative to rear connecting tube 40 is arranged；Pacifying
It needs to detect the moving direction of tomography before dress pipe joint, so that the direction that preceding connecting tube 20 is moved relative to rear connecting tube 40
It is identical or opposite as preset direction；Such as：When current connecting tube 20 is moved down relative to rear connecting tube 40, first connects at this time
The articulated shaft of bar 601 and second connecting rod 602 should be parallel to horizontal plane setting, corresponding third connecting rod 605 and fourth link 606
Articulated shaft is arranged also parallel with horizontal plane.
Preferably, the first mounting hole 701 is located at the middle part of the first connecting plate 70, and first connecting rod 601 connects with third at this time
Bar 605 is connect with the both ends of the first mounting plate respectively；Corresponding second mounting hole is located at the middle part of the second connecting plate 80, and second connects
Bar 602 is connect with the both ends of the second mounting plate respectively with fourth link 606.
Specifically, it is additionally provided with the 7th stopper section on third connecting rod 605, the 8th backstop is additionally provided in fourth link 606
Portion, the 7th stopper section and the 8th stopper section are oppositely arranged with the 5th stopper section and the 6th stopper section respectively；When the first stopper section 603
The 8th stopper section is supported in the 7th stopper section when supporting the second stopper section 604.Current connecting tube 20 is relative to rear connecting tube 40 to pre-
When set direction turns to default angle, the second stopper section 604 is supported in the first stopper section 603, and at the same time the 7th stopper section is supported
8th stopper section enhances the limit range of limiting device 60.
In other embodiments, a kind of conveyance conduit is also provided, including：Preceding segment pipe 10, rear segment pipe 50 and as above
The both ends of the pipe joint, pipe joint are connected to preceding segment pipe 10 and rear segment pipe 50 respectively.
Fig. 4 is the structural schematic diagram for the transport system that the utility model embodiment provides, and please refers to Fig. 4.In other implementations
A kind of transport system, including conveyance conduit as described above are also provided in example, conveyance conduit is multiple, and multiple conveyance conduits are along defeated
Direction is sent to set gradually.
Specifically, before on the rear segment pipe 50 in adjacent conveyance conduit on previous conveyance conduit and latter conveyance conduit
Segment pipe 10 can be connected by way of casting or welding, to realize the connection between adjacent conveyor pipeline.
Preferably, more violent position is moved in tomography, can reduce preceding segment pipe 10 and back segment pipe in conveyance conduit
The distance in road 50 reduces the distance between adjacent tube ends, with when tomography occurs mobile, the wave in multiple pipe joints
Flexible deformation occurs for line pipe 30, in order to avoid pipeline breaking.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of pipe joint, which is characterized in that including：Preceding connecting tube, rear connecting tube and bellows；The preceding connecting tube
For being connected to preceding segment pipe, the rear end of the preceding connecting tube is connected to the first end of the bellows for front end；Connection after described
The front end of pipe is connected to the second end of the bellows, and the rear end of the rear connecting tube with rear segment pipe for being connected to.
2. pipe joint according to claim 1, which is characterized in that further include limiting device, the limiting device difference
With the preceding connecting tube and it is described after connecting tube connect, be used for when the preceding connecting tube relative to it is described after connecting tube to default side
When between the axis and the axis of the rear connecting tube for turning to the preceding connecting tube in default angle, connected before prevention is described
Pipe is rotated relative to the rear connecting tube to preset direction.
3. pipe joint according to claim 2, which is characterized in that the limiting device includes first connecting rod and second
Connecting rod, the front end of the first connecting rod are connect with the preceding connecting tube, the rear end of the first connecting rod and the second connecting rod
Front end is hinged, and the rear end of the second connecting rod is connect with the rear connecting tube；The rear end of the first connecting rod is formed with first and stops
The front end of stopper, the second connecting rod is formed with the second stopper section；When the preceding connecting tube relative to it is described after connecting tube to pre-
When set direction turns to default angle, second stopper section is supported in first stopper section, to prevent the preceding connecting tube phase
The rear connecting tube is rotated to preset direction.
4. pipe joint according to claim 3, which is characterized in that be additionally provided with third backstop on the first connecting rod
Portion is additionally provided with the 4th stopper section on the second connecting rod；When the preceding connecting tube relative to it is described after connecting tube to it is default
It is in when presetting angle that side turns to the axis of the preceding connecting tube and the axis of the rear connecting tube in the opposite direction, and third is stopped
Stopper supports the 4th stopper section, to prevent the preceding connecting tube relative to connecting tube after described to opposite with preset direction
Direction rotates.
5. pipe joint according to claim 3, which is characterized in that further include being separately positioned on the preceding connecting tube and institute
The first connecting plate and the second connecting plate in rear connecting tube are stated, first connecting plate is connect with the first connecting rod, and described
Two connecting plates are connect with the second connecting rod.
6. pipe joint according to claim 5, which is characterized in that offer the first installation on first connecting plate
Hole, the preceding connecting tube is threaded through in first mounting hole and the side wall mistake of the preceding connecting tube and first mounting hole
It is full of cooperation；Offer the second mounting hole on second connecting plate, it is described after connecting tube be threaded through in second mounting hole and
Connecting tube and the side wall of second mounting hole are interference fitted after described.
7. pipe joint according to claim 3, which is characterized in that the limiting device further includes third connecting rod and the 4th
Connecting rod, the front end of the third connecting rod are connect with the preceding connecting tube, the rear end of the third connecting rod and the fourth link
Front end is hinged, and the rear end of the fourth link is connect with the rear connecting tube；The 5th stopper section is provided on the third connecting rod,
The 6th stopper section is provided in the fourth link, when the preceding connecting tube relative to it is described after connecting tube to preset direction phase
It is in when presetting angle that anti-direction, which turns to the axis of the preceding connecting tube and the axis of the rear connecting tube, and the 5th stopper section is supported
The 6th stopper section is pushed up, to prevent the preceding connecting tube from turning to the direction opposite with preset direction relative to the rear connecting tube
It is dynamic.
8. pipe joint according to claim 7, which is characterized in that be additionally provided with the 7th backstop on the third connecting rod
Portion is additionally provided with the 8th stopper section in the fourth link；When second stopper section is supported in first stopper section the 7th
Support the 8th stopper section in stopper section.
9. a kind of conveyance conduit, which is characterized in that including：Described in preceding segment pipe, rear segment pipe and claim any one of 1-8
Pipe joint, the both ends of the pipe joint respectively with the preceding segment pipe and it is described after segment pipe be connected to.
10. a kind of transport system, which is characterized in that including the conveyance conduit described in claim 9, the conveyance conduit is more
A, multiple conveyance conduits are arranged successively in the conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153788.3U CN207961841U (en) | 2018-01-29 | 2018-01-29 | Pipe joint, conveyance conduit and transport system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153788.3U CN207961841U (en) | 2018-01-29 | 2018-01-29 | Pipe joint, conveyance conduit and transport system |
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| Publication Number | Publication Date |
|---|---|
| CN207961841U true CN207961841U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820153788.3U Active CN207961841U (en) | 2018-01-29 | 2018-01-29 | Pipe joint, conveyance conduit and transport system |
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| Country | Link |
|---|---|
| CN (1) | CN207961841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094587A (en) * | 2018-01-29 | 2019-08-06 | 中国石油大学(北京) | Pipe joint, conveyance conduit and transportation system |
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2018
- 2018-01-29 CN CN201820153788.3U patent/CN207961841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094587A (en) * | 2018-01-29 | 2019-08-06 | 中国石油大学(北京) | Pipe joint, conveyance conduit and transportation system |
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