CN104455919B - Transport pipe and method for manufacturing transport pipe - Google Patents
Transport pipe and method for manufacturing transport pipe Download PDFInfo
- Publication number
- CN104455919B CN104455919B CN201410735308.0A CN201410735308A CN104455919B CN 104455919 B CN104455919 B CN 104455919B CN 201410735308 A CN201410735308 A CN 201410735308A CN 104455919 B CN104455919 B CN 104455919B
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- Prior art keywords
- hole
- hole section
- wearing bush
- conveying pipe
- section
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000010791 quenching Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000035900 sweating Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 8
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- 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
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/026—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes by welding
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- 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
- F16L9/00—Rigid pipes
-
- 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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention provides a conveying pipe and a manufacturing method of the conveying pipe. Wherein, conveyer pipe includes: a flange (30); the device is provided with a third end (31) and a fourth end (32) which are arranged oppositely and a sleeved through hole (33) which penetrates through the third end (31) and the fourth end (32); the pipe body (10) welded together with the flange (30) is provided with a first end (11) and a second end (12) which are oppositely arranged and a material through hole (13) which penetrates through the first end (11) and the second end (12), and is characterized in that the first end (11) is located on a welding seam area wall section of the material through hole (13) and is fixed with a first anti-wear sleeve (20), and the material through hole (13) is provided with a first stopping part which stops the first anti-wear sleeve (20) and moves towards the second end (12). The technical scheme of the invention ensures that the conveying pipe has longer service life.
Description
Technical field
The present invention relates to carry Manifold technology field, in particular to a kind of manufacture method carrying pipe and conveying pipe.
Background technology
Existing concrete conveying straight tube major part is still based on concrete conveyance monolayer straight tube, and service life about 30,000, side was left
The right side, often scraps inlet flange weld adnexa is worn out, and now other position pipe fitting residual thickness of pipe fitting is thicker, are herein
Life-span short slab.As shown in the above, the life-span ratio of existing conveying pipe is relatively low.
Summary of the invention
It is desirable to provide a kind of conveying pipe with higher service life and the manufacture method of conveying pipe.
To achieve these goals, according to an aspect of the invention, it is provided a kind of conveying pipe, including: flange；There is phase
To arrange the 3rd end and the 4th end and run through the 3rd end and the sheathed through hole of the 4th end；Body together with flange welding,
Having the first end and the second end and the material through hole running through the first end and the second end being oppositely arranged, the first end is positioned at material through hole
Weld metal zone hole wall section, be fixed with the first wearing bush, material through hole has first that backstop the first wearing bush moves towards the second end
Stopper section.
Further, material through hole is shoulder hole, and material through hole includes the first hole section and the second hole section, and the aperture of the first hole section is big
The first annular step surface towards the first end is formed between the aperture of the second hole section, the second hole section and the first hole section, first annular
Step surface forms the first stopper section, and the first hole section forms the first end, and the first wearing bush is located in the inside of the first hole section.
Further, the internal diameter of the first wearing bush is less than the internal diameter of the second hole section.
Further, the first wearing bush is fixing by the way of interference fit with material through hole is connected.
Further, a length of 15 to the 25mm of the first wearing bush.
Further, body has quench-hardened case, and the thickness of quench-hardened case and the thickness of the first wearing bush are equal.
Further, the first wearing bush is that hardness is not by welding heat affected material.
Further, also including: the second wearing bush, wear on the inwall being fixed on sheathed through hole, the second wearing bush and first is prevented
Grinding set contacts.
Further, flange and the weld seam of body middle part of corresponding first wearing bush in the axial direction of body.
According to a further aspect in the invention, it is provided that a kind of method manufacturing above-mentioned conveying pipe, step S10 is comprised the steps::
Processing the first hole section in material through hole so that material through hole includes the first hole section and the second hole section, the aperture of the first hole section is more than
The aperture of the second hole section, forms the first annular step surface towards the first end between the second hole section and the first hole section；Step S20: right
The inwall of the second hole section carries out Quenching Treatment so that the inwall of this second hole section possesses quench-hardened case；Step S30: by the first abrasionproof casing pressure
Enter in the first hole section；Step S40: welded flange on body.
Application technical scheme, owing to the hole wall of material through hole is fixed with the first wearing bush, therefore, is equivalent to strengthen
The abrasion-resistance of the material through hole of this part, when by sheathed for flange and when being welded on body, by the welding position of flange Yu body
In the axial direction of body, corresponding first wearing bush, can avoid body premature failure.As the above analysis, the conveying of the present invention
Pipe has higher service life.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the cross-sectional schematic that the embodiment middle tube body carrying pipe and the first wearing bush according to the present invention match；
Fig. 2 shows the cross-sectional schematic of the conveying tube-in-tube body of Fig. 1；
Fig. 3 shows the cross-sectional schematic of the embodiment of the conveying pipe according to the present invention；
Fig. 4 shows that Fig. 3's carries the cross-sectional schematic of flange in pipe；
Fig. 5 shows that Fig. 3's carries the cross-sectional schematic that in pipe, flange and the second wearing bush coordinate.
Wherein, the reference in above-mentioned figure is as follows:
10, body；11, the first end；12, the second end；13, material through hole；14, the first hole section；15, the second hole section；16、
First annular step surface；17, quench-hardened case；20, the first wearing bush；30, flange；31, the 3rd end；32, the 4th end；33、
Sheathed through hole；34, the 3rd hole section；35, the 4th hole section；36, the second annular table terrace；40, the second wearing bush.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1 to Figure 3, the conveying pipe of the present embodiment includes flange 30 and body 10.Flange 30 has and is oppositely arranged
3rd end 31 and the 4th end 32 and run through the 3rd end 31 and the sheathed through hole 33 of the 4th end 32.Body 10 has and is oppositely arranged
The first end 11 and the second end 12 and run through the first end 11 and material through hole 13 of the second end 12, the first end 11 is positioned at material
The weld metal zone hole wall section of through hole 13, weld metal zone hole wall section is fixed with the first wearing bush 20, and material through hole 13 has backstop first to be prevented
The first stopper section that grinding set 20 moves towards the second end 12.Inventor is found by research, due to monolayer straight tube and flange welding
Immediately below place, in the 10mm of left and right there is component diluent and thickness cataclysm in straight tube, causes pipe fitting sensing or during integral quenching in commissure
Depth of hardening zone and hardness not as good as pipe fitting in the middle part of, cause pipe fitting the most wear-resisting.
The conveying pipe of application the present embodiment, owing to the hole wall of material through hole 13 is fixed with the first wearing bush 20, therefore, is equivalent to add
The abrasion-resistance of the material through hole 13 of this part strong, when sheathed by flange and when being welded on body 10, by flange and body
The welding position of 10 is the middle part of corresponding first wearing bush 20 in the axial direction of body 10, can avoid body 10 premature failure.By
Above-mentioned analysis understands, and the conveying pipe of the present embodiment has higher service life.It is of course also possible to make the weldering of flange and body 10
Connect end of corresponding first wearing bush 20 in the axial direction of body 10, position.
As depicted in figs. 1 and 2, in the present embodiment, material through hole 13 is shoulder hole, and material through hole 13 includes the first hole section
14 and the second hole section 15, the aperture of the first hole section 14 is more than the aperture of the second hole section 15, the second hole section 15 and the first hole section 14
Between form the first annular step surface 16 towards the first end 11, first annular step surface 16 forms the first stopper section, the first hole
Section 14 forms the first end 11, and the first wearing bush 20 is located in the inside of the first hole section 14.Certainly, as other feasible enforcements
Mode, the first stopper section can be in multiple stopper protrusion of the circumferentially-spaced setting of body 10.
As depicted in figs. 1 and 2, in the present embodiment, the internal diameter of the first wearing bush 20 is less than the internal diameter of the second hole section 15.Adopt
With said structure, it is possible to ensure that the hole wall excessive wear of the second hole section 15 is scrapped.
As depicted in figs. 1 and 2, in the present embodiment, the first wearing bush 20 and material through hole 13 are by the way of interference fit
Fixing connection.It is of course also possible to connect by gluing other modes such as grade are fixing.
As depicted in figs. 1 and 2, in the present embodiment, a length of 15 to the 25mm of the first wearing bush 20.Preferably, first
The a length of 20mm of wearing bush 20, inventor is found by research, hardens at flange and straight tube welding in the range of the 10mm of left and right
Layer depth and lower hardness, therefore, a length of 20mm of the first wearing bush 20 is most suitable.The length of the first wearing bush 20 with
The length of the first hole section 14 is equal.
As depicted in figs. 1 and 2, in the present embodiment, body 10 has quench-hardened case 17, and quench-hardened case 17 forms the second hole section 15,
The thickness of quench-hardened case 17 is the 30 to 40 of the thickness of body 10.Preferably, the overall diameter of quench-hardened case 17 and the first hole section
The interior diameter of 14 is equal.The thickness of quench-hardened case 17 and the thickness of the first wearing bush 20 are equal.
As depicted in figs. 1 and 2, in the present embodiment, the first wearing bush 20 is pottery.Certainly, the first wearing bush 20 also may be used
To use hardness not by the material high hardness material of this weld seam heat affecting of welding, such as CW hard alloy etc..
As depicted in figs. 1 and 2, in the present embodiment, the conveying pipe of the present embodiment is axially symmetric structure, and axis of symmetry is perpendicular to pipe
The axis of body 10.
In the present embodiment, the 3rd end 31 is set on body 10, and the 3rd end 31 welds with body 10, and the 3rd end 31 is at pipe
Body 10 axially goes up the middle part of corresponding first wearing bush 20.Preferably, the 3rd end 31 corresponding first abrasionproof body 10 is axial
The center of set 20.The conveying pipe of the present embodiment has higher service life.
As shown in Figures 3 to 5, the conveying pipe of the present embodiment also includes that the second wearing bush 40, the second wearing bush 40 wear and be fixed on
On the inwall of sheathed through hole 33, the second wearing bush 40 contacts with the first wearing bush 20.
As shown in Figures 3 to 5, in the present embodiment, sheathed through hole 33 is shoulder hole, and sheathed through hole 33 includes the 3rd hole section
34 and the 4th hole section 35, the aperture of the 3rd hole section 34 is more than the aperture of the 4th hole section 35, the 3rd hole section 34 and the 4th hole section 35
Between form the second annular table terrace 36 towards the 3rd end 31 and backstop the second wearing bush 40, the 3rd hole section 34 is set in body
On 10, the 3rd hole section 34 forms the 3rd end 31, and the second wearing bush 40 is fixed on the hole wall of the 4th hole section 35.Second abrasionproof
Set 40 is fixing by the way of interference fit with sheathed through hole 33 to be connected.The conveying pipe of the present embodiment is axially symmetric structure, symmetrical
Axle is perpendicular to the axis of body 10.
A kind of method that present invention also provides conveying pipe manufacturing above-described embodiment, the manufacture method (not shown) of the present embodiment
Comprise the steps: step S10: in material through hole, process the first hole section so that material through hole includes the first hole section and the second hole
Section, the aperture of the first hole section, more than the aperture of the second hole section, forms first towards the first end between the second hole section and the first hole section
Annular table terrace；Step S20: the inwall of the second hole section is carried out Quenching Treatment so that the inwall of this second hole section possesses quench-hardened case；
Step S30: the first wearing bush is pressed in the first hole section；Step S40: welded flange on body.The manufacturer of the present embodiment
Method makes to carry pipe and has higher service life.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a conveying pipe, including:
Flange (30)；There is the 3rd end (31) and the 4th end (32) being oppositely arranged and run through described 3rd end (31)
Sheathed through hole (33) with described 4th end (32)；
The body (10) welded together with described flange (30), has the first end (11) and the second end being oppositely arranged
And run through the material through hole (13) of described first end (11) and described second end (12) (12), it is characterised in that
Described first end (11) is positioned at the weld metal zone hole wall section of described material through hole (13), is fixed with the first wearing bush (20),
Described material through hole (13) has the first wearing bush (20) described in backstop towards the first of described second end (12) movement
Stopper section.
Conveying pipe the most according to claim 1, it is characterised in that described material through hole (13) is shoulder hole, described material
Through hole (13) includes the first hole section (14) and the second hole section (15), and the aperture of described first hole section (14) is more than described
The aperture of the second hole section (15), is formed towards described between described second hole section (15) and described first hole section (14)
The first annular step surface (16) of the first end (11), described first annular step surface (16) forms described first stopper section,
Described first hole section (14) forms described first end (11), and described first wearing bush (20) is located in described first hole section
(14) inside.
Conveying pipe the most according to claim 2, it is characterised in that the internal diameter of described first wearing bush (20) is less than described the
The internal diameter of two hole sections (15).
Conveying pipe the most according to claim 1, it is characterised in that described first wearing bush (20) and described material through hole (13)
Fixing connection by the way of interference fit.
Conveying pipe the most according to claim 1, it is characterised in that a length of 15 to the 25mm of described first wearing bush (20).
The most according to claim 1 conveying pipe, it is characterised in that described body (10) has quench-hardened case (17), described in quench
The thickness of hard formation (17) is equal with the thickness of described first wearing bush (20).
Conveying pipe the most according to claim 1, it is characterised in that described first wearing bush (20) is that hardness is not by sweating heat
The material of impact.
Conveying pipe the most according to any one of claim 1 to 7, it is characterised in that also include:
Second wearing bush (40), wears on the inwall being fixed on described sheathed through hole (33), described second wearing bush (40)
Contact with described first wearing bush (20).
Conveying pipe the most according to claim 1, it is characterised in that described flange (30) and the weld seam of described body (10)
Middle part upper corresponding described first wearing bush (20) of described body (10).
10. the method for the conveying pipe according to any one of a manufacturing claims 1 to 9, it is characterised in that comprise the steps:
Step S10: process the first hole section in described material through hole so that described material through hole includes the first hole section and second
Hole section, the aperture of described first hole section is more than the aperture of described second hole section, and described first hole section (14) forms described the
One end (11), forms the first annular step surface towards described first end between described second hole section and described first hole section；
Step S20: the inwall of described second hole section is carried out Quenching Treatment so that the inwall of this second hole section possesses quench-hardened case；
Step S30: described first wearing bush is pressed in described first hole section；
Step S40: weld described flange on described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735308.0A CN104455919B (en) | 2014-12-05 | 2014-12-05 | Transport pipe and method for manufacturing transport pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735308.0A CN104455919B (en) | 2014-12-05 | 2014-12-05 | Transport pipe and method for manufacturing transport pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455919A CN104455919A (en) | 2015-03-25 |
| CN104455919B true CN104455919B (en) | 2016-08-24 |
Family
ID=52902429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735308.0A Active CN104455919B (en) | 2014-12-05 | 2014-12-05 | Transport pipe and method for manufacturing transport pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455919B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6719297B2 (en) * | 2016-06-29 | 2020-07-08 | 株式会社エンプラス | Emitter and drip irrigation tubes |
| CN108061201B (en) * | 2018-01-02 | 2024-07-23 | 江门市德山复合材料科技有限公司 | High-pressure-resistant polyurethane coated carbon fiber composite pipe fitting and manufacturing method thereof |
| CN110454622B (en) * | 2019-08-31 | 2024-07-23 | 潍坊力创电子科技有限公司 | Marine fuel gas double-wall corrugated pipe and welding method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524757A1 (en) * | 1985-07-11 | 1987-01-22 | Stalter & Grosch Stahlhandel G | Conveying pipe |
| CN102128312A (en) * | 2010-12-31 | 2011-07-20 | 三一重工股份有限公司 | Taper pipe for concrete pumping device and manufacturing method thereof |
| CN102297304A (en) * | 2011-08-11 | 2011-12-28 | 李宗仙 | Concrete delivery pipe and manufacturing method thereof |
| CN103277587A (en) * | 2013-06-07 | 2013-09-04 | 中联重科股份有限公司 | Wear-resistant taper pipe, concrete conveying pipeline and concrete pumping equipment |
| CN103615631A (en) * | 2013-11-19 | 2014-03-05 | 中联重科股份有限公司 | Concrete conveying straight pipe, manufacturing method thereof and concrete pumping equipment |
-
2014
- 2014-12-05 CN CN201410735308.0A patent/CN104455919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524757A1 (en) * | 1985-07-11 | 1987-01-22 | Stalter & Grosch Stahlhandel G | Conveying pipe |
| CN102128312A (en) * | 2010-12-31 | 2011-07-20 | 三一重工股份有限公司 | Taper pipe for concrete pumping device and manufacturing method thereof |
| CN102297304A (en) * | 2011-08-11 | 2011-12-28 | 李宗仙 | Concrete delivery pipe and manufacturing method thereof |
| CN103277587A (en) * | 2013-06-07 | 2013-09-04 | 中联重科股份有限公司 | Wear-resistant taper pipe, concrete conveying pipeline and concrete pumping equipment |
| CN103615631A (en) * | 2013-11-19 | 2014-03-05 | 中联重科股份有限公司 | Concrete conveying straight pipe, manufacturing method thereof and concrete pumping equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455919A (en) | 2015-03-25 |
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