CN208107411U - End bend pipe and concrete conveying pipe - Google Patents
End bend pipe and concrete conveying pipe Download PDFInfo
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- CN208107411U CN208107411U CN201820638556.7U CN201820638556U CN208107411U CN 208107411 U CN208107411 U CN 208107411U CN 201820638556 U CN201820638556 U CN 201820638556U CN 208107411 U CN208107411 U CN 208107411U
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- inner tube
- bend pipe
- end bend
- wear
- wear body
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Abstract
The utility model relates to concrete conveying equipment technical fields, more particularly, to a kind of end bend pipe and concrete conveying pipe.End bend pipe includes inner and outer tubes；The outer tube sleeve is set to except said inner tube, and has gap between said inner tube and the outer tube, and filler is filled in the gap；Along the radial direction of said inner tube, said inner tube has corresponding back and to portion, and the radius of curvature at the back is greater than the radius of curvature to portion；The neck setting at the back is jagged, is provided with wear body in the notch；The material of said inner tube is high-chromium alloy, and the material of the wear body is wear-resistant ceramic.Concrete conveying pipe includes the end bend pipe.The purpose of this utility model is to provide a kind of end bend pipe and concrete conveying pipes to reduce material cost to promote the service life of end bend pipe.
Description
Technical field
The utility model relates to concrete conveying equipment technical fields, defeated more particularly, to a kind of end bend pipe and concrete
Send pipeline.
Background technique
Bend pipe working condition in conveying particulate matter is the most severe, and the degree of wear is quite serious.It is defeated with concrete
For sending the end bend pipe used on pump, in order to prolong its service life, currently, mainly having in concrete conveying pipe industry
Three kinds of end bend pipes：1, single layer high manganese cast steel thickeies end bend pipe, and the cost of such end bend pipe is low, but service life short (10,000 sides
Left and right)；2, the two-layer compound end bend pipe of high-chromium alloy, higher cost, service life is also shorter (1.5 ten thousand sides or so), replacement
Frequently；3, special cermacis end bend pipe, service life is relatively long (30,000 sides or so), and cost is too high, and cost performance is low.
Therefore, the application provides a kind of new end bend pipe and concrete conveying pipe regarding to the issue above.
Utility model content
The purpose of this utility model is to provide a kind of end bend pipes to reduce material to promote the service life of end bend pipe
Expect cost.
The purpose of this utility model, which also resides in, provides a kind of concrete conveying pipe, to promote making for concrete conveying pipe
With the service life, material cost is reduced.
Based on above-mentioned first purpose, the utility model provides a kind of end bend pipe, and the end bend pipe includes inner tube and outer
Pipe；
The outer tube sleeve is set to except said inner tube, and has gap between said inner tube and the outer tube, and the gap
It is interior to be filled with filler；
Along the radial direction of said inner tube, said inner tube has corresponding back and to portion, and the radius of curvature at the back is big
In the radius of curvature to portion；
The neck setting at the back is jagged, is provided with wear body in the notch；
The material of said inner tube is high-chromium alloy, and the material of the wear body is wear-resistant ceramic.
In any of the above-described technical solution, further, wear body described in the utility model is set to said inner tube in
The middle position in heart line direction.
In any of the above-described technical solution, further, inner tube described in the utility model is along the arc angle of center line
90°；
The wear body is 50 ° -70 ° along the arc angle of the centerline direction of said inner tube.
In any of the above-described technical solution, further, wear body described in the utility model is circumferential along said inner tube
Arc angle is 130 ° -170 °.
In any of the above-described technical solution, further, end bend pipe described in the utility model, further includes plug；
There are two the plugs, and two plugs are respectively arranged at two ends of the end bend pipe, and being used for will
Gap between said inner tube and the outer tube is blocked.
In any of the above-described technical solution, further, plug described in the utility model is ring flange.
In any of the above-described technical solution, further, side of the ring flange described in the utility model far from axis direction
Offer annular groove.
In any of the above-described technical solution, further, wear-resistant sleeve is provided in ring flange described in the utility model.
In any of the above-described technical solution, further, the material of wear-resistant sleeve described in the utility model is high-chromium alloy.
Based on above-mentioned second purpose, the utility model provides a kind of concrete conveying pipe, including the end bend pipe.
By adopting the above technical scheme, the utility model has the advantages that：
After concrete enters inner tube from the end of inner tube, neck deflecting at the back of inner tube leads to the back of inner tube
Neck bears biggish impact force, and therefore, notch is arranged in the neck at back, wear body is arranged in notch, due to wear body
Material is wear-resistant ceramic, and the strong shock resistance of wear-resistant ceramic can bear biggish impact force, extend the use of end bend pipe
Service life, in addition, due to only in the higher wear body of neck setup cost at the back of inner tube, ensureing the wear-resisting of bend pipe
On the basis of intensity, the cost of bend pipe is greatly reduced, improves the service life of bend pipe.
Furthermore due to having gap between inner and outer tubes, it is provided with filler in the gap between inner and outer tubes, is filled out
Object support inner and outer tubes are filled, to form entirety, when inner tube absorbs impact power, impact force is transmitted to filler by inner tube,
And outer tube is passed to by filler, enable inner tube, outer tube and filler while absorbing impact power, to reduce the impact force of inner tube,
Protection inner tube, to extend the service life of inner tube.
In addition, filler can play the role of buffering, damping to the impact force being applied to it, be conducive to reduce impact
Power.
In conclusion end bend pipe provided in this embodiment improves the service life of end bend pipe, reduce material at
This.
Concrete conveying pipe provided by the utility model improves concrete delivery pipe including the end bend pipe
The service life in road reduces material material cost.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of end bend pipe provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view in the direction A-A of end bend pipe shown in FIG. 1.
Icon：1- ring flange；2- wear-resistant sleeve；3- outer tube；4- inner tube；5- wear body；6- filler.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
Referring to shown in Fig. 1-Fig. 2, Fig. 1 is the structural schematic diagram of end bend pipe provided by the embodiment of the utility model；Fig. 2 is
The cross-sectional view in the direction A-A of end bend pipe shown in FIG. 1.The present embodiment provides a kind of end bend pipes, including inner tube 4 and outer tube 3；
The outer tube 3 is sheathed on except said inner tube 4, and has gap between said inner tube 4 and the outer tube 3, and described
Filler 6 is filled in gap；
Along the radial direction of said inner tube 4, said inner tube 4 has corresponding back and to portion, the radius of curvature at the back
Greater than the radius of curvature to portion；
The neck setting at the back of the present embodiment said inner tube 4 is jagged, and wear body 5 is provided in the notch；
Preferably, the material of said inner tube 4 is high-chromium alloy, and the material of the wear body 5 is wear-resistant ceramic.
A kind of preferably mode, the center line of the present embodiment said inner tube 4 and the center line of outer tube 3 are overlapped.
Optionally, the material of filler 6 is expanding material.
After concrete enters inner tube 4 from the end of inner tube 4, the neck at the back of inner tube 4 commutates, and leads to inner tube 4
The neck at back to bear biggish impact force, therefore, notch is arranged in the neck at back, wear body 5 is set in notch, by
It is wear-resistant ceramic in the material of wear body 5, the impact resistance of wear-resistant ceramic is stronger, is able to bear biggish impact force, therefore
Extend the service life of end bend pipe.
In addition, ensureing bend pipe due to the higher wear body 5 of neck setup cost only at the back of inner tube 4
Wear-resistant strength on the basis of, greatly reduce the cost of bend pipe, improve the service life of bend pipe.
Furthermore due to having gap between inner tube 4 and outer tube 3, filling is provided in the gap between inner tube 4 and outer tube 3
Object 6, filler 6 are used to support inner tube 4 and outer tube 3, to enable inner tube, filler and outer tube form entirety.When the receiving of inner tube 4 comes from
When the impact force of concrete, impact force is transmitted to filler 6 by inner tube 4, and passes to outer tube 3 by filler 6, enables inner tube
4, outer tube 3 and filler 6 absorb impact power simultaneously, to reduce the impact force of inner tube 4, protection inner tube 4, to extend making for inner tube 4
Use the service life.In addition, filler 6 can play the role of buffering, damping to the impact force being applied to it, be conducive to reduce impact
Power.
In conclusion end bend pipe provided in this embodiment improves the service life of end bend pipe, reduce material at
This.
Preferably, shown in Figure 1, the wear body 5 is set to said inner tube 4 along the middle position of centerline direction.
The position that inner tube 4 commutates in inner tube 4 along the middle position of centerline direction namely concrete, what this position was born
Impact force is maximum, therefore, wear body 5 is arranged in this position, to improve the impact resistance of inner tube 4, thus extends end bend pipe
Service life.
Preferably, shown in Figure 1, the present embodiment said inner tube 4 is 90 ° along the arc angle of center line；
In addition, the arc angle of centerline direction of the wear body 5 along said inner tube 4 is 50 ° -70 °.
Optionally, the arc angle of centerline direction of the wear body 5 along said inner tube 4 is 50 °, 55 °, 60 °, 65 °
Or 70 ° etc..
Preferably, the arc angle of centerline direction of the wear body 5 along said inner tube 4 is 60 °, with oversite concrete
The region of 4 wall of inner tube is impacted, and avoids 5 coverage area of wear body too big, cost is caused to improve.
Preferably, it is 130 ° -170 ° that institute's the present embodiment, which states wear body 5 along the circumferential arc angle of said inner tube 4,.
For example, optionally, the wear body 5 along the angle of the circumferential circular arc of said inner tube 4 be 130 °, 135 °,
140 °, 145 °, 150 °, 155 °, 160 °, 165 ° or 170 ° etc..
Preferably, shown in Figure 2, the wear body 5 is 150 ° along the circumferential arc angle of said inner tube 4, to cover
Lid concrete impacts the region of 4 wall of inner tube, and avoids 5 coverage area of wear body too big, and cost is caused to improve.
A kind of preferably mode, shown in Figure 1, end bend pipe described in the present embodiment, further includes plug；
There are two the plugs, and two plugs are respectively arranged at two ends of the end bend pipe, and being used for will
Gap between said inner tube 4 and the outer tube 3 is blocked.
On the one hand, plug is for blocking the gap between inner tube 4 and outer tube 3, and on the other hand, plug can be by 4 He of inner tube
Outer tube 3 is shaped, is positioned.
As a kind of preferred mode, shown in Figure 1, plug described in the present embodiment can be ring flange 1.
Ring flange 1 can block the gap between inner tube 4 and outer tube 3, and inner tube 4 and outer tube 3 are shaped, positioned, together
When, flange can be used in connecting bend pipe with other pipelines, to facilitate the use of end bend pipe.
Preferably, shown in Figure 1, the ring flange 1 offers annular groove far from the side of axis direction.
When the setting of the ring flange 1 of the present embodiment is connect for end bend pipe with other pipelines, pass through setting card in annular groove
Hoop forms the effect of positioning and sealing with other pipelines, and concrete is avoided to reveal in the end of end bend pipe.
A kind of preferably mode, it is shown in Figure 1, wear-resistant sleeve 2 is provided in ring flange 1 described in the present embodiment.
When concrete enters bend pipe or exports out of bend pipe, concrete can generate biggish punching to two ends of bend pipe
Hit power, therefore, end bend pipe provided in this embodiment by be located at end bend pipe end ring flange 1 in be arranged wear-resistant sleeve 2,
To improve the impact resistance of end, extend the service life of bend pipe.
A kind of optionally mode is connected by way of interference fit between ring flange 1 and wear-resistant sleeve 2.
It should be noted that can also be connected by other means between the ring flange 1 and wear-resistant sleeve 2 of the present embodiment.
Preferably, the material of the wear-resistant sleeve 2 is high-chromium alloy.
It should be noted that concrete out of end bend pipe by when, can two ends in end bend pipe and inner tube 4
The neck at back generates biggish impact force, wherein and neck is acted on due to enabling concrete generate commutation, the back of inner tube 4
The impact force that is born of neck it is maximum, therefore in the wear body 5 of the neck at the back of inner tube 4 setting wear-resistant ceramic material.And
The impact force that two ends of bend pipe are born is smaller compared to back, and therefore, the material of wear-resistant sleeve 2 is set as high-chromium alloy energy
Meet the requirements, therefore, on the basis of ensureing the impact strength of bend pipe, reduce the cost of bend pipe, with more practicability and
Marketing.
In conclusion end bend pipe provided in this embodiment is different according to the impact force degree that it bears, and use different
Wear-resistant material, not only can guarantee the service life of bend pipe, but also the cost of end bend pipe can be reduced.
Embodiment two
Embodiment two provides a kind of concrete conveying pipe, and the concrete conveying pipe includes described in embodiment one
The technical characteristic of end bend pipe, end bend pipe disclosed in embodiment one is also applied for the embodiment, and embodiment one is published
The technical characteristic of end bend pipe is not repeated to describe.The embodiment of the concrete conveying pipe is carried out with reference to the accompanying drawing
It is further to be described in detail.
To save length, the improvement feature of the embodiment is equally embodied in Fig. 1-Fig. 2, therefore, in conjunction with Fig. 1-Fig. 2 to this
The scheme of embodiment is illustrated.
Referring to shown in Fig. 1-Fig. 2, concrete conveying pipe provided in this embodiment, including the end bend pipe.
After concrete conveying pipe is in use, concrete enters inner tube 4 from the end of the inner tube 4 of end bend pipe, in inner tube 4
Back neck deflecting, cause the neck at the back of inner tube 4 to bear biggish impact force, therefore, the neck at back is arranged
Notch, notch is interior to be arranged wear body 5, since the material of wear body 5 is wear-resistant ceramic, the strong shock resistance of wear-resistant ceramic, energy
Biggish impact force is born, the service life of end bend pipe is extended.
In addition, ensureing bend pipe due to the higher wear body 5 of neck setup cost only at the back of inner tube 4
Wear-resistant strength on the basis of, greatly reduce the cost of bend pipe, improve the service life of bend pipe.
Furthermore due to having gap between inner tube 4 and outer tube 3, filler 6 is provided in gap, filler 6 supports inner tube
4 and outer tube 3, to form entirety, when inner tube 4 absorbs impact power, impact force is transmitted to filler 6 by inner tube 4, and by filling out
It fills object 6 and passes to outer tube 3, enable inner tube 4, outer tube 3 and filler 6 while absorbing impact power, to reduce the impact force of inner tube 4, protect
Inner tube 4 is protected, to extend the service life of inner tube 4.In addition, filler 6 can play the role of buffering, damping to impact force, favorably
In reduction impact force.
In conclusion end bend pipe improves the service life of end bend pipe, material cost is reduced, and pass through above-mentioned end
The setting for holding bend pipe improves the service life of concrete conveying pipe, reduces material material cost.
Concrete conveying pipe described in the present embodiment has the advantages that end bend pipe described in embodiment one, which exists
It is described in detail in embodiment one, is not repeated herein.
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 present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.
Claims (10)
1. a kind of end bend pipe, which is characterized in that including inner and outer tubes；
The outer tube sleeve is set to except said inner tube, and has gap between said inner tube and the outer tube, and fill out in the gap
Filled with filler；
Along the radial direction of said inner tube, said inner tube has corresponding back and to portion, and the radius of curvature at the back is greater than institute
State the radius of curvature to portion；
The neck setting at the back is jagged, is provided with wear body in the notch；
The material of said inner tube is high-chromium alloy, and the material of the wear body is wear-resistant ceramic.
2. end bend pipe according to claim 1, which is characterized in that the wear body is set to said inner tube along center line
The middle position in direction.
3. end bend pipe according to claim 2, which is characterized in that said inner tube is 90 ° along the arc angle of center line；
The wear body is 50 ° -70 ° along the arc angle of the centerline direction of said inner tube.
4. end bend pipe according to claim 2, which is characterized in that circumferential circular arc of the wear body along said inner tube
Angle is 130 ° -170 °.
5. end bend pipe according to claim 1, which is characterized in that further include plug；
There are two the plugs, and two plugs are respectively arranged at two ends of the end bend pipe, and being used for will be described
Gap between inner tube and the outer tube is blocked.
6. end bend pipe according to claim 5, which is characterized in that the plug is ring flange.
7. end bend pipe according to claim 6, which is characterized in that the ring flange is opened up far from the side of axis direction
There is annular groove.
8. end bend pipe according to claim 6, which is characterized in that be provided with wear-resistant sleeve in the ring flange.
9. end bend pipe according to claim 8, which is characterized in that the material of the wear-resistant sleeve is high-chromium alloy.
10. a kind of concrete conveying pipe, which is characterized in that including the described in any item end bend pipes of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638556.7U CN208107411U (en) | 2018-04-28 | 2018-04-28 | End bend pipe and concrete conveying pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638556.7U CN208107411U (en) | 2018-04-28 | 2018-04-28 | End bend pipe and concrete conveying pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107411U true CN208107411U (en) | 2018-11-16 |
Family
ID=64114402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638556.7U Active CN208107411U (en) | 2018-04-28 | 2018-04-28 | End bend pipe and concrete conveying pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253345A (en) * | 2018-12-04 | 2019-01-22 | 湖南托普斯新材料有限公司 | Concrete delivery pipe and pipe group |
-
2018
- 2018-04-28 CN CN201820638556.7U patent/CN208107411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253345A (en) * | 2018-12-04 | 2019-01-22 | 湖南托普斯新材料有限公司 | Concrete delivery pipe and pipe group |
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