CN106049877A - Elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and application method thereof - Google Patents
Elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and application method thereof Download PDFInfo
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- CN106049877A CN106049877A CN201610614387.9A CN201610614387A CN106049877A CN 106049877 A CN106049877 A CN 106049877A CN 201610614387 A CN201610614387 A CN 201610614387A CN 106049877 A CN106049877 A CN 106049877A
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- inner sleeve
- concrete
- elastic
- trocar sheath
- pump line
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses an elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and an application method thereof. The pump pipe comprises an outer sleeve, an inner sleeve arranged in the outer sleeve, a plurality of elastic supports and an oil injecting nozzle. The inner sleeve is made from closely-winding spiral pipes, a gap is formed between the inner sleeve and the outer sleeve so that an annular cavity can be formed between the inner sleeve and the outer sleeve, and the two ends of the inner sleeve are connected with the two ends of the outer sleeve in a sealed mode; the multiple elastic supports are arranged between the inner sleeve and the outer sleeve in the axial direction so that the annular cavity is divided into a plurality of arc cavities, and an elastic-support oil hole for being communicated with the adjacent two arc cavities is formed in each elastic support; an outlet of the oil injecting nozzle is communicated with the annular cavity. By means of the elastic-inner-wall anti-plugging concrete high-pressure delivery pump pipe and the application method thereof, the occurrence probability of concrete pipe plugging is effectively reduced through self-adaption deformation of the inner sleeve and injection of lubrication media.
Description
Technical field
The invention belongs to Concrete Pumping Construction technical field, be specifically related to a kind of elastic inwall blockage resisting High Pressure Reinforced Concrete
Delivery pump pipe and using method thereof, it can apply to concrete super high-rise pumping or extra long distance pumping.
Background technology
Concrete superelevation, overlength distance pump, it has also become the engineering concrete construction such as high-rise building, subway tunnel can not
Or the technique lacked.But, along with being continuously increased of pumping height and distance, construction management difficulty is consequently increased, when construction group
It is improper to knit, or when quality fluctuation occurs in concrete, easily causes concrete plugging phenomenon to occur.Once there is plugging, need to
Expend substantial amounts of manpower and materials and carry out pipeline cleaning, bring potential safety hazard to concrete structure construction quality, simultaneously also can be right
Duration occasions a delay.Pumping equipment producer and concrete supply business have put into substantial amounts of energy and have improved equipment, to coagulation
Soil is researched and developed, but concrete plugging problem is never well solved.
Summary of the invention
It is an object of the invention to provide a kind of elastic inwall blockage resisting High Pressure Reinforced Concrete delivery pump pipe and using method thereof,
It is in concrete superelevation or overlength distance pumping procedure, when construction organization is improper or quality fluctuation occurs in concrete, and can
To be deformed by the self adaptation of inner sleeve, and the injection of lubricant medium, effectively reduce concrete plugging probability of happening.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of elastic inwall blockage resisting High Pressure Reinforced Concrete delivery pump pipe, this pump line includes trocar sheath, the two of described trocar sheath
End is provided with adpting flange, and this pump line also includes the inner sleeve being arranged in described trocar sheath, is arranged on described inner sleeve and overcoat
Multiple elastic rests between pipe and be arranged on the pump nozzle on the outer wall of described trocar sheath;Wherein,
It is provided with gap, so that forming toroidal cavity, institute between inner sleeve and trocar sheath between described inner sleeve and trocar sheath
State inner sleeve by close around serpentine pipe make, its two ends are tightly connected with the two ends of trocar sheath, and the inwall of described inner sleeve is mixed
When solidifying soil normally carries, the radial force that is subject to is less is not result in radial deformation, and its arbitrary neighborhood two encloses between not having between spiral
Gap, so that described toroidal cavity fully seals, the inwall of described inner sleeve is when concrete performance deteriorates, and the radial force being subject to increases
Greatly so that it is radially carrying out flexible and deforming upon, when pressure increases further, between can making to produce between two adjacent rings spiral
Gap, to connect the inner chamber of inner sleeve and described toroidal cavity;
The plurality of elastic rest is arranged between inner sleeve and trocar sheath, so that described toroidal cavity is divided into multiple arc
Chamber, each elastic rest is provided with the elastic rest oilhole for connecting adjacent two arc-shaped cavities;
The outlet of described pump nozzle connects with described toroidal cavity.
By technique scheme, described inner sleeve is that elastic wire, elastic steel sheet or rolled steel are close around the spiral shell formed
Rotation shape structure.
By technique scheme, described inner sleeve is torque spring or torsionspring.
By technique scheme, in described pump nozzle, it is provided with check valve, so that the described annular of the unidirectional inflow of lubricant medium
In cavity, and can the outside pressure measurement of UNICOM and oil pump device in good time supplemental lubrication medium.
By technique scheme, described lubricant medium is grease, to concrete performance without unfavorable shadow under reasonable volume
Ring.
By technique scheme, close by T-shaped flexible seal ring between two ends and the two ends of trocar sheath of described inner sleeve
Envelope connects, and described T-shaped flexible seal ring is fixedly mounted on trocar sheath by dormant bolt.
Accordingly, the present invention also provides for the using method of a kind of above-mentioned pump line, comprises the following steps:
S1, before Concrete Pumping Construction, according to pumping distance and the usage quantity of this pump line of length computation of this pump line,
All pump lines pass sequentially through adpting flange be attached with fixing;
S2, carrying out Concrete Pumping Construction, when concrete performance is preferable, the inwall force in radial of inner sleeve will not be led
Causing radial deformation, concrete normally carries;
S3, when concrete performance deteriorates, the stone in concrete is partially formed enrichment state at inner sleeve, causes inner sleeve
Pipe local pressure increases so that it is is radially carrying out flexible and is deforming upon, to destroy or to adapt to the stone enrichment of local concrete
Structure, when enrichment state is more serious, makes inner sleeve amass generation gap between the two adjacent rings spiral of position in this stone richness,
Lubricant medium in toroidal cavity is penetrated between the inwall and concrete of inner sleeve by this gap, reduces friction
Resistance, the two synergism, to ensure that concrete can continue in pump line when performance degradation, stably travel forward.
The present invention, has the advantages that the trocar sheath that the present invention uses common steel tube to make, by trocar sheath
The inner sleeve with elastic telescopic is set, is supported by elastic rest between two pipes, also formed between two pipes and be used for storing
The toroidal cavity of lubricant medium;During work, concrete carries through inner sleeve, and this inner sleeve is made up around serpentine pipe of close, can be certainly
Adapt to the running status of concrete, by lubricant medium by pressure transmission to trocar sheath, trocar sheath undertake pressure;Work as concrete
During performance degradation, inner sleeve also can stretch according to the running status of concrete, destroys or adapt to the stone of local concrete
Enrichment structure, when enrichment state is more serious, the lubricant medium in toroidal cavity also can penetrate into according to the deformation extent of inner sleeve
Play lubrication to contact surface, ensure that concrete remains to when performance degradation hold in pump line by the synergism of the two
Continue, stably travel forward, reduce the probability of concrete generation plugging.Present configuration is simple, and clear principle is processed, assembled just
Prompt;And without existing pump machine is transformed, can directly replace existing pump line and use;Meanwhile, construction organization is required fall
Low, it is adapted to the fluctuation of a range of concrete quality;It addition, utilize the construction features of self to realize choke preventing function, no
By height, distance limit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the half sectional view of line A-A along Fig. 1;
Fig. 3 is the graphics of the embodiment of the present invention;
Fig. 4 is the use view of the embodiment of the present invention.
In figure: 1-trocar sheath sealing ring, 2-trocar sheath, 3-lubricant medium, 4-pump nozzle, 5-inner sleeve, 6-dormant bolt,
7-T type flexible seal ring, 8-elasticity rest, 9-elasticity rest oilhole.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
In the preferred embodiment, as shown in Figure 1-Figure 3, a kind of elastic inwall blockage resisting High Pressure Reinforced Concrete conveying
Pump line, this pump line includes that trocar sheath 2, the two ends of trocar sheath 2 are provided with adpting flange, and this pump line also includes being arranged in trocar sheath 2
Inner sleeve 5, the multiple elastic rests 8 being arranged between inner sleeve 5 and trocar sheath 2 and be arranged on the outer wall of trocar sheath 2
Pump nozzle 4;Wherein,
It is provided with gap between inner sleeve 5 and trocar sheath 2, so that forming toroidal cavity between inner sleeve 5 and trocar sheath 2, interior
Sleeve pipe 5 by close around serpentine pipe make, its two ends are tightly connected with the two ends of trocar sheath 2, and the inwall of inner sleeve 5 is at concrete just
When often carrying, the radial force that is subject to is less is not result in radial deformation, and its arbitrary neighborhood two encloses between spiral very close to each other, so that
Described toroidal cavity fully seals, and the inwall of inner sleeve 5 is when concrete performance deteriorates, and the radial force being subject to increases so that it is
Radially carry out flexible and deform upon, when pressure increases further, can make to produce between two adjacent rings spiral gap, with connection
The inner chamber of inner sleeve 5 and described toroidal cavity;
Multiple elastic rests 8 are axially arranged on close around between serpentine pipe 5 and trocar sheath 2, many to be divided into by toroidal cavity
Individual arc-shaped cavity, each elastic rest 8 is provided with the elastic rest oilhole 9 for connecting adjacent two arc-shaped cavities;
The outlet of pump nozzle 4 connects with toroidal cavity.
In a preferred embodiment of the invention, as shown in Figure 1-Figure 3, inner sleeve 5 is elastic wire, elastic steel sheet or rolling
Steel etc. close around the helical structure formed, in the present embodiment, inner sleeve 5 can be torque spring or torsionspring etc..Inner sleeve
Pipe, can be in footpath when pressure reaches to a certain degree for be made up of the material with some strength, rigidity and good abrasion resistance
To Direction distortion.
In a preferred embodiment of the invention, as Figure 1-Figure 2, in pump nozzle 4, it is provided with check valve, so that lubrication is situated between
In matter 3 unidirectional inflow toroidal cavity, and can the outside pressure measurement of UNICOM and oil pump device in good time supplemental lubrication medium 3.Pump nozzle is single
To valve system, can on-demand lubricant medium be supplemented in good time.In the present embodiment, lubricant medium has certain denseness, is closing
Under reason volume having no adverse effect concrete performance harmless, lubricant medium 3 can be selected for grease.During use, lubricant medium is through note
Oil nozzle injects in certain arc-shaped cavity, then is full of whole toroidal cavity through elastic rest oilhole, and lubricant medium can be by internal coagulation
The pressure transmission of soil is to trocar sheath, and can penetrate into concrete play with inner sleeve contact surface according to the deformation extent of inner sleeve
Lubrication, reduces frictional resistance.
In a preferred embodiment of the invention, as it is shown in figure 1, pass through between the two ends of the two ends of inner sleeve 5 and trocar sheath 2
T-shaped flexible seal ring 7 is tightly connected, and T-shaped flexible seal ring 7 is fixedly mounted on trocar sheath 2 by dormant bolt 6.T-shaped flexibility
Sealing ring is fabricated from a flexible material, such as natural rubber, polyurethane rubber, nitrile rubber etc., close around serpentine pipe weight undertaking
Under premise, certain deformation can be carried out.
Accordingly, as Figure 1 and Figure 4, the present invention also provides for the using method of a kind of above-mentioned pump line, comprises the following steps:
S1, before Concrete Pumping Construction, according to pumping distance and the usage quantity of this pump line of length computation of this pump line,
All pump lines pass sequentially through adpting flange be attached, with fixing, being sealed even by trocar sheath sealing ring 1 between adjacent pump line
Connecing, the connected mode between pump line is conventional connected mode;
S2, carry out Concrete Pumping Construction in a conventional way, when concrete performance is preferable, this pump line and conventional pump line
Being as good as, the inwall force in radial of inner sleeve is not result in that radial deformation, concrete normally carry;
S3, when concrete performance deteriorates, the stone in concrete is partially formed enrichment state in inner sleeve, cause in
Sleeve pipe local pressure increases so that it is radially carrying out flexible and deforming upon, the stone with destruction or adaptation local concrete is rich
Structure set, when enrichment state is more serious, makes inner sleeve between this stone richness is amassed and produced between the two adjacent rings spiral of position
Gap so that the lubricant medium in toroidal cavity is penetrated between the inwall and concrete of inner sleeve by this gap, to mixed
Solidifying soil plays lubrication, reduces frictional resistance, and the two synergism, to ensure that concrete can be in pump line when performance degradation
Continue, stably travel forward, it is to avoid plugging phenomenon occurs.
In the present invention, inner sleeve directly contacts with concrete, with the running status of self adaptation concrete, and can pass through lubrication
Pressure transmission is undertaken pressure to trocar sheath, trocar sheath by medium.Inner sleeve carries out support by bar shaped elasticity rest and trocar sheath,
Elastic rest oilhole is had, it is ensured that close around the connectivity of lubricant medium between serpentine pipe and trocar sheath bottom bar shaped elasticity rest.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (7)
1. an elastic inwall blockage resisting High Pressure Reinforced Concrete delivery pump pipe, this pump line includes trocar sheath (2), described trocar sheath (2)
Two ends be provided with adpting flange, it is characterised in that this pump line also includes the inner sleeve (5) being arranged in described trocar sheath (2), sets
Put the multiple elastic rest (8) between described inner sleeve (5) and trocar sheath (2) and be arranged on outside described trocar sheath (2)
Pump nozzle (4) on wall;Wherein,
It is provided with gap, so that forming annular between inner sleeve (5) and trocar sheath (2) between described inner sleeve (5) and trocar sheath (2)
Cavity, described inner sleeve (5) by close around serpentine pipe make, its two ends are tightly connected with the two ends of trocar sheath (2), described inner sleeve
The inwall of pipe (5) is when concrete normally carries, and the radial force that is subject to is less is not result in radial deformation, and its arbitrary neighborhood two encloses
Between spiral very close to each other so that described toroidal cavity fully seals, the inwall of described inner sleeve (5) concrete performance deteriorate
Time, the radial force being subject to increases so that it is is radially carrying out flexible and is deforming upon, when pressure increases further, can make adjacent
Gap is produced, to connect the inner chamber of inner sleeve (5) and described toroidal cavity between two circle spirals;
The plurality of elastic rest (8) is arranged between inner sleeve (5) and trocar sheath (2), to be divided into many by described toroidal cavity
Individual arc-shaped cavity, each elastic rest (8) is provided with the elastic rest oilhole (9) for connecting adjacent two arc-shaped cavities;
The outlet of described pump nozzle (4) connects with described toroidal cavity.
Pump line the most according to claim 1, it is characterised in that described inner sleeve (5) is elastic wire, elastic steel sheet or rolls
The steel of system are close around the helical structure formed.
Pump line the most according to claim 2, it is characterised in that described inner sleeve (5) is torque spring or torsionspring.
Pump line the most according to claim 1, it is characterised in that described pump nozzle is provided with check valve in (4), so that lubrication
In the described toroidal cavity of medium (3) unidirectional inflow, and can the outside pressure measurement of UNICOM and oil pump device in good time supplemental lubrication medium (3).
Pump line the most according to claim 4, it is characterised in that described lubricant medium (3) is grease.
Pump line the most according to claim 1, it is characterised in that the two ends of described inner sleeve (5) and the two ends of trocar sheath (2)
Between be tightly connected by T-shaped flexible seal ring (7), described T-shaped flexible seal ring (7) is fixedly mounted by dormant bolt (6)
On trocar sheath (2).
7. the using method of the pump line described in more than one any claim, it is characterised in that comprise the following steps:
S1, before Concrete Pumping Construction, according to pumping distance and the usage quantity of this pump line of length computation of this pump line, by institute
Have pump line to pass sequentially through adpting flange to be attached with fixing;
S2, carrying out Concrete Pumping Construction, when concrete performance is preferable, the inwall force in radial of inner sleeve (5) will not be led
Causing radial deformation, concrete normally carries;
S3, when concrete performance deteriorates, the stone in concrete is partially formed enrichment state at inner sleeve (5), causes inner sleeve
Pipe (5) local pressure increases so that it is is carrying out flexible in radial direction and is deforming upon, to destroy or to adapt to the stone richness of local concrete
Structure set, when enrichment state is more serious, makes inner sleeve (5) amass in this stone richness and produces between the two adjacent rings spiral of position
Gap so that be positioned at the lubricant medium (3) of toroidal cavity by this gap penetrate into inner sleeve (5) inwall and concrete it
Between, reducing frictional resistance, the two synergism, to ensure that concrete can continue in pump line when performance degradation, stablize forward
Motion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610614387.9A CN106049877B (en) | 2016-07-29 | 2016-07-29 | Elastic inner wall anti-clogging High Pressure Reinforced Concrete delivery pump pipe and its application method |
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CN201610614387.9A CN106049877B (en) | 2016-07-29 | 2016-07-29 | Elastic inner wall anti-clogging High Pressure Reinforced Concrete delivery pump pipe and its application method |
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CN106049877A true CN106049877A (en) | 2016-10-26 |
CN106049877B CN106049877B (en) | 2018-04-24 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108316651A (en) * | 2018-03-22 | 2018-07-24 | 陕西建工第三建设集团有限公司 | A kind of Screw arbor with nut at both-ends double-walled type assembled casing and construction method |
CN108729674A (en) * | 2018-05-29 | 2018-11-02 | 温州职业技术学院 | A kind of block-resistant type concrete injection device |
CN112065057A (en) * | 2020-09-18 | 2020-12-11 | 南通联源机电科技股份有限公司 | Passive truss telescopic mechanism of concrete spreader |
CN114992521A (en) * | 2022-05-25 | 2022-09-02 | 十九冶成都建设有限公司 | Method for judging pumped concrete blockage |
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FR2588352B1 (en) * | 1985-10-03 | 1988-04-29 | Tuyaux Bonna | CONCRETE PIPE WITH INTERNAL PLASTIC LINING AND METHOD FOR PRODUCING SUCH A PIPE |
CN2571920Y (en) * | 2002-08-05 | 2003-09-10 | 梁金秋 | Protective sleeve for vibration axle pipe |
CN202483185U (en) * | 2012-03-15 | 2012-10-10 | 三一重工股份有限公司 | Concrete material distributing machine |
CN105201213A (en) * | 2015-10-26 | 2015-12-30 | 中建三局集团有限公司 | Telescopic pump pipe for super high-rise concrete filled steel tube lifting |
CN205894704U (en) * | 2016-07-29 | 2017-01-18 | 中建三局集团有限公司 | Elasticity inner wall is prevented stopping up concrete high pressure and is carried pump line |
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2016
- 2016-07-29 CN CN201610614387.9A patent/CN106049877B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2588352B1 (en) * | 1985-10-03 | 1988-04-29 | Tuyaux Bonna | CONCRETE PIPE WITH INTERNAL PLASTIC LINING AND METHOD FOR PRODUCING SUCH A PIPE |
CN2571920Y (en) * | 2002-08-05 | 2003-09-10 | 梁金秋 | Protective sleeve for vibration axle pipe |
CN202483185U (en) * | 2012-03-15 | 2012-10-10 | 三一重工股份有限公司 | Concrete material distributing machine |
CN105201213A (en) * | 2015-10-26 | 2015-12-30 | 中建三局集团有限公司 | Telescopic pump pipe for super high-rise concrete filled steel tube lifting |
CN205894704U (en) * | 2016-07-29 | 2017-01-18 | 中建三局集团有限公司 | Elasticity inner wall is prevented stopping up concrete high pressure and is carried pump line |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108316651A (en) * | 2018-03-22 | 2018-07-24 | 陕西建工第三建设集团有限公司 | A kind of Screw arbor with nut at both-ends double-walled type assembled casing and construction method |
CN108729674A (en) * | 2018-05-29 | 2018-11-02 | 温州职业技术学院 | A kind of block-resistant type concrete injection device |
CN108729674B (en) * | 2018-05-29 | 2020-05-29 | 温州职业技术学院 | Anti-blocking type concrete injection device |
CN112065057A (en) * | 2020-09-18 | 2020-12-11 | 南通联源机电科技股份有限公司 | Passive truss telescopic mechanism of concrete spreader |
CN114992521A (en) * | 2022-05-25 | 2022-09-02 | 十九冶成都建设有限公司 | Method for judging pumped concrete blockage |
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