CN111364768B - Concrete pumping anti-blocking method and device - Google Patents
Concrete pumping anti-blocking method and device Download PDFInfo
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- CN111364768B CN111364768B CN202010153314.0A CN202010153314A CN111364768B CN 111364768 B CN111364768 B CN 111364768B CN 202010153314 A CN202010153314 A CN 202010153314A CN 111364768 B CN111364768 B CN 111364768B
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- pipe
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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
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1075—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being joined with a hinge on one side and fastened together on the other side
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete pumping anti-blocking method and a concrete pumping anti-blocking device, which belong to the field of concrete conveying devices. The invention uses the convex connecting pipe to arrange the pipeline at a distance below the delivery port of the pump truck or the vertical pipe, and the convex arrangement can reduce the impact force caused by fall, thereby effectively relieving the pipe blockage caused by coarse aggregate accumulation due to larger concrete slump and segregation, and the height difference of the horizontal pipe is used for resisting and charging the vertical pipe, thereby reducing the gravity action at two sides, preventing the blockage at the rock accumulation turning part, preventing air from entering the vertical pipe due to air leakage, slowing down the blockage caused by easy coagulation of concrete, setting the turning part into a U-shaped structure, and setting two sides into S-shaped structures, thereby effectively preventing the blockage of rock.
Description
Technical Field
The invention relates to the field of concrete conveying devices, in particular to a concrete pumping anti-blocking method and device.
Background
When the trailer pump (vehicle-mounted pump) conveys concrete downwards, the fall is more than 6 meters, and along with the increase of the height, the conveyed concrete is influenced by the gravity acceleration, so that the concrete in the upper half part of the pipe at the vertical pipe is easy to flow downwards, air is left in the upper half part of the pipe, and the downward concrete coarse aggregate is accumulated below the vertical pipe, so that a 90-degree bent pipe and a butt-jointed flat pipe below the vertical pipe are easy to block. In order to prevent the above situations, a concrete pumping anti-blocking method and a concrete pumping anti-blocking device need to be designed to solve the above problems.
Disclosure of Invention
The invention aims to provide a concrete pumping anti-blocking method and device, which solve the technical problem that butt flat pipes are easy to block in the existing concrete pumping process.
A concrete pumping anti-blocking method is characterized in that a reversed V-shaped conversion pipe is arranged between a downward vertical pipe and a flat pipe when a towing pump or a vehicle-mounted pump is used for conveying concrete, the reversed V-shaped conversion pipe prevents the concrete in the flat pipe at the upper part of the vertical pipe from flowing empty, and the reversed V-shaped conversion pipe is used for offsetting impact force caused by the height of the drop height of the vertical pipe and preventing the concrete coarse aggregate from being accumulated to block the pipe.
One end of the inverted V-shaped conversion pipe is arranged at 2-3 flat pipes from the vertical pipe, and the other end of the inverted V-shaped conversion pipe is connected with the flat pipe in the concrete output direction.
The inverted U-shaped conversion pipe comprises a transverse pipe and U-shaped pipes symmetrically arranged relative to the transverse pipe, and each U-shaped pipe comprises an arc-shaped pipe and an S-shaped pipe oppositely arranged relative to the arc-shaped pipe.
The width of the U-shaped pipe is 1.1-1.2 meters, and the length of the transverse pipe is 1-2 meters.
The S-shaped pipe comprises a first arc-shaped pipe and a second arc-shaped pipe, the first arc-shaped pipe is connected with the second arc-shaped pipe in a sealing mode, the arc direction of the arc square of the first arc-shaped pipe is opposite to the arc direction of the second arc-shaped pipe, and the radians of the first arc-shaped pipe and the second arc-shaped pipe are opposite and smaller than that of the arc pipes.
The first arc-shaped pipe and the second arc-shaped pipe are connected through the detachable connecting buckle, the connecting buckle is arranged through the bolt clamping, the bottom of the second arc-shaped pipe is provided with the supporting seat, the supporting seat is arranged to be a square supporting seat and comprises three cylindrical supporting rods and a frame-shaped base, the frame-shaped base is arranged to be a trapezoid frame structure, the two cylindrical supporting rods are arranged at two ends of the bottom edge of the trapezoid frame structure, and the other cylindrical supporting rod is arranged on the top edge of the trapezoid frame structure.
The utility model provides an anti stifled device of concrete pumping, comprises the conversion pipe of "nearly" style of calligraphy, the conversion pipe of "nearly" style of calligraphy is including violently managing and violently managing the "U" type pipe that the symmetry set up relatively, the "U" type pipe includes the arc pipe and the relative "S" type pipe that sets up of arc pipe, the "S" type pipe includes first arc pipe and second arc pipe, first arc pipe and second arc pipe sealing connection, and the arc square of first arc pipe sets up with the opposite direction of the arc direction of second arc pipe, and the radian of first arc pipe and second arc pipe is relative, and is less than the radian of arc pipe.
The first arc-shaped pipe and the second arc-shaped pipe of the anti-blocking device are connected through the detachable connecting buckle, the connecting buckle is arranged through the bolt, the clamping device is arranged, the bottom of the second arc-shaped pipe is provided with the supporting seat, the supporting seat is arranged to be a square supporting seat and comprises three cylindrical supporting rods and a frame-shaped base, the frame-shaped base is arranged to be a trapezoid-shaped frame structure, the two cylindrical supporting rods are arranged at two ends of the bottom edge of the trapezoid-shaped frame structure, and the other cylindrical supporting rod is arranged on the top edge of the trapezoid-shaped frame structure.
The width of a U-shaped pipe of the anti-blocking device is 1.1-1.2 meters, the length of the transverse pipe is 1-2 meters, one end of the inverted U-shaped conversion pipe is arranged at 2-3 flat pipes from the vertical pipe, and the other end of the inverted U-shaped conversion pipe is connected to the flat pipe in the concrete output direction.
The vertical height of the transverse pipe of the anti-blocking device is in direct proportion to the height of the vertical pipe, when the general fall is larger than 6 meters, the anti-blocking device needs to be installed, the height of the vertical position of the transverse pipe is increased along with the increase of the height of the fall, the height of the transverse pipe is increased by 1 meter on the basis, and the vertical height of the transverse pipe is increased by 0.01 meter along with the increase of the vertical pipe by 1 meter.
By adopting the technical scheme, the invention has the following technical effects:
the invention uses the convex connecting pipe to arrange the pipeline at a distance below the delivery port of the pump truck or the vertical pipe, because the convex arrangement can reduce the impact force caused by fall, the pipe blockage caused by coarse aggregate accumulation due to larger concrete slump and segregation can be effectively relieved, the height difference of the horizontal pipe is used for resisting and charging the vertical pipe, the gravity action at two sides is reduced, the blocking condition at the rock accumulation turning part is reduced, the air entering the vertical pipe due to air leakage is prevented, the blocking caused by concrete easy condensation is relieved, meanwhile, the turning part is arranged to be in a U-shaped structure, and simultaneously, two sides are arranged to be in an S-shaped structure, the blocking of rock materials can be effectively prevented, and the technical problem that the butt flat pipe is easy to block in the existing concrete pumping process is solved.
Drawings
FIG. 1 is a cross-sectional view of the device of the present invention.
FIG. 2 is a schematic view of the structure of the "S" type pipe of the present invention.
Numbering in the figures: 1. an "S" shaped tube; 1.1, a first arc-shaped pipe; 1.2, a second arc-shaped pipe; 1.3, connecting buckles; 1.4, a supporting seat; 2. an arc tube; 3. a transverse tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in figure 1, according to the concrete pumping anti-blocking method, when a towing pump or a vehicle-mounted pump is used for conveying concrete, a reversed V-shaped conversion pipe is arranged between a downward vertical pipe and a flat pipe, the reversed V-shaped conversion pipe prevents the concrete in the flat pipe at the upper part of the vertical pipe from flowing empty, and the reversed V-shaped conversion pipe is used for offsetting impact force caused by the height difference of the vertical pipe and preventing the blockage caused by the accumulation of coarse concrete aggregates. One end of the inverted V-shaped conversion pipe is arranged at 2-3 flat pipes from the vertical pipe, and the other end of the inverted V-shaped conversion pipe is connected with the flat pipe at the output port of the trailer pump or the vehicle-mounted pump. Through setting up to "nearly" style of calligraphy for the bellied position in middle part provides the pressure of gravity to both sides and offsets, can effectually prevent that the upper end of turning department from appearing the condition of leaking out.
As shown in fig. 1-2, the inverted "U" -shaped transition pipe includes a horizontal pipe 3 and "U" -shaped pipes symmetrically disposed with respect to the horizontal pipe 3, and the "U" -shaped pipes include an arc-shaped pipe 2 and "S" -shaped pipes disposed opposite to the arc-shaped pipe 2. The width of the U-shaped pipe is 1.1-1.2 meters, and the length of the transverse pipe 3 is 1-2 meters. The S-shaped pipe comprises a first arc-shaped pipe 1.1 and a second arc-shaped pipe 1.2, the first arc-shaped pipe 1.1 is connected with the second arc-shaped pipe 1.2 in a sealing mode, the arc direction of the first arc-shaped pipe 1.1 is opposite to the arc direction of the second arc-shaped pipe 1.2, and the radians of the first arc-shaped pipe 1.1 and the second arc-shaped pipe 1.2 are opposite and smaller than the radian of the second arc-shaped pipe 2. First arc 1.1 and second arc 1.2 are connected through setting up detachable connector link 1.3, and connector link 1.3 is through setting up the bolt and pressing from both sides tight setting, and the bottom of second arc 1.2 is provided with supporting seat 1.4, supporting seat 1.4 sets up to square supporting seat, and supporting seat 1.4 includes three cylinder bracing pieces and frame type base, frame type base sets up to trapezoidal frame structure, and wherein two cylinder bracing pieces set up the both ends on the base of trapezoidal frame structure, and another setting is on the topside of trapezoidal frame structure.
As shown in fig. 1-2, a concrete pumping anti-blocking device is composed of a "U" -shaped conversion pipe, the "U" -shaped conversion pipe includes a horizontal pipe 3 and a "U" -shaped pipe symmetrically arranged with respect to the horizontal pipe 3, the "U" -shaped pipe includes an arc pipe 2 and an "S" -shaped pipe oppositely arranged with respect to the arc pipe 2, the "S" -shaped pipe includes a first arc pipe 1.1 and a second arc pipe 1.2, the first arc pipe 1.1 is hermetically connected with the second arc pipe 1.2, an arc direction of the first arc pipe 1.1 is opposite to an arc direction of the second arc pipe 1.2, and radians of the first arc pipe 1.1 and the second arc pipe 1.2 are opposite and smaller than a radian of the arc pipe 2.
First arc 1.1 and second arc 1.2 are connected through setting up detachable connector link 1.3, and connector link 1.3 is through setting up the bolt and pressing from both sides tight setting, and the bottom of second arc 1.2 is provided with supporting seat 1.4, supporting seat 1.4 sets up to square supporting seat, and supporting seat 1.4 includes three cylinder bracing pieces and frame type base, frame type base sets up to trapezoidal frame structure, and wherein two cylinder bracing pieces set up the both ends on the base of trapezoidal frame structure, and another setting is on the topside of trapezoidal frame structure. The width of the U-shaped pipe is 1.1-1.2 meters, the length of the transverse pipe 3 is 1-2 meters, one end of the inverted U-shaped conversion pipe is arranged at 2-3 flat pipes from the vertical pipe, and the other end of the inverted U-shaped conversion pipe is connected to the flat pipe at the output port of the trailer pump or the vehicle-mounted pump. The vertical height of the cross tube 3 is proportional to the height of the riser.
The pipeline is arranged by using the convex connecting pipe at a distance below a pump truck conveying port or a vertical pipe, the impact force caused by fall can be reduced due to convex arrangement, the pipe blockage caused by accumulation of coarse aggregates caused by overlarge concrete slump and segregation can be effectively relieved, the height difference of the horizontal pipe is used for resisting and charging the vertical pipe, the gravity action on two sides is reduced, the building stones fall into a turning part to be blocked, and a leak hole in the vertical pipe is prevented, air enters the vertical pipe, the concrete is easy to condense to cause blockage, meanwhile, the turning part is arranged to be in a U-shaped structure, meanwhile, two sides are arranged to be in an S-shaped structure, the blockage of the building stones can be effectively prevented, and the technical problem that the butt joint flat pipe is easily blocked in the existing concrete pumping process is solved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (3)
1. A concrete pumping anti-blocking method is characterized in that: the method is characterized in that a V-shaped conversion pipe is arranged between a downward vertical pipe and a flat pipe when concrete is conveyed by a towing pump or a vehicle-mounted pump, the V-shaped conversion pipe prevents the concrete in the flat pipe at the upper part of the vertical pipe from flowing empty, the V-shaped conversion pipe is used for offsetting impact force caused by the fall height of the vertical pipe and preventing the concrete coarse aggregate from being accumulated to cause pipe blockage;
one end of the inverted V-shaped conversion pipe is arranged at 2-3 flat pipes from the downward vertical pipe, and the other end of the inverted V-shaped conversion pipe is connected with the flat pipe in the concrete output direction;
the inverted U-shaped conversion pipe comprises a transverse pipe (3) and U-shaped pipes symmetrically arranged relative to the transverse pipe (3), wherein the U-shaped pipes comprise arc pipes (2) and S-shaped pipes oppositely arranged relative to the arc pipes (2);
the S-shaped pipe comprises a first arc-shaped pipe (1.1) and a second arc-shaped pipe (1.1), the first arc-shaped pipe (1.1) is connected with the second arc-shaped pipe (1.2) in a sealing mode, the arc direction of the first arc-shaped pipe (1.1) is opposite to the arc direction of the second arc-shaped pipe (1.2), and the radians of the first arc-shaped pipe (1.1) and the second arc-shaped pipe (1.2) are opposite and smaller than that of the arc-shaped pipe (2);
the first arc-shaped pipe (1.1) is connected with the second arc-shaped pipe (1.2) through a detachable connecting buckle (1.3), the connecting buckle (1.3) is clamped through a set bolt, a supporting seat (1.4) is arranged at the bottom of the second arc-shaped pipe (1.2), the supporting seat (1.4) is arranged to be a square supporting seat, the supporting seat (1.4) comprises three cylindrical supporting rods and a frame-shaped base, the frame-shaped base is arranged to be a trapezoid frame structure, the two cylindrical supporting rods are arranged at two ends of the bottom edge of the trapezoid frame structure, and the other cylindrical supporting rod is arranged on the top edge of the trapezoid frame structure;
the U-shaped structure is arranged, so that the middle convex part provides gravity pressure for two sides to offset, and the upper end of the turning part is prevented from being hollow.
2. The concrete pumping anti-blocking method according to claim 1, characterized in that: the width of the U-shaped pipe is 1.1-1.2 m, and the length of the transverse pipe (3) is 1-2 m.
3. The utility model provides a concrete pumping anti-blocking device which characterized in that: the pipe joint is composed of inverted U-shaped conversion pipes, wherein each inverted U-shaped conversion pipe comprises a transverse pipe (3) and U-shaped pipes symmetrically arranged relative to the transverse pipe (3), each U-shaped pipe comprises an arc pipe (2) and S-shaped pipes oppositely arranged relative to the arc pipes (2), each S-shaped pipe comprises a first arc pipe (1.1) and a second arc pipe (1.2), the first arc pipes (1.1) are connected with the second arc pipes (1.2) in a sealing mode, the arc direction of the first arc pipes (1.1) is opposite to the arc direction of the second arc pipes (1.2), and the radians of the first arc pipes (1.1) and the second arc pipes (1.2) are opposite and smaller than the radian of the arc pipes (2);
the first arc-shaped pipe (1.1) is connected with the second arc-shaped pipe (1.2) through a detachable connecting buckle (1.3), the connecting buckle (1.3) is clamped through a set bolt, a supporting seat (1.4) is arranged at the bottom of the second arc-shaped pipe (1.2), the supporting seat (1.4) is arranged to be a square supporting seat, the supporting seat (1.4) comprises three cylindrical supporting rods and a frame-shaped base, the frame-shaped base is arranged to be a trapezoid frame structure, wherein the two cylindrical supporting rods are arranged at two ends of the bottom edge of the trapezoid frame structure, and the other cylindrical supporting rod is arranged on the top edge of the trapezoid frame structure;
the width of the U-shaped pipe is 1.1-1.2 meters, the length of the transverse pipe (3) is 1-2 meters, one end of the inverted U-shaped conversion pipe is arranged at 2-3 flat pipes from the vertical pipe, and the other end of the inverted U-shaped conversion pipe is connected to the flat pipe in the concrete output direction;
the vertical height of the cross tube (3) is proportional to the height of the stand pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010153314.0A CN111364768B (en) | 2020-03-06 | 2020-03-06 | Concrete pumping anti-blocking method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010153314.0A CN111364768B (en) | 2020-03-06 | 2020-03-06 | Concrete pumping anti-blocking method and device |
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| CN111364768A CN111364768A (en) | 2020-07-03 |
| CN111364768B true CN111364768B (en) | 2022-03-04 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09132322A (en) * | 1995-11-08 | 1997-05-20 | Tobishima Corp | Concrete force-feed adjusting pipe, concrete force-feed placing method, and concrete force-feed placing device |
| JP2002220924A (en) * | 2001-01-24 | 2002-08-09 | Tokyo Concrete Pomp Kk | Head nozzle for concrete transport pipe |
| JP3489444B2 (en) * | 1998-06-26 | 2004-01-19 | 株式会社大林組 | Concrete casting method |
| CN103993742A (en) * | 2014-05-26 | 2014-08-20 | 上海汽车改装厂有限公司 | Suspension type concrete spreader |
| CN206268609U (en) * | 2016-12-21 | 2017-06-20 | 杭州墨泰科技股份有限公司 | A kind of mortar delivery pipe auxiliary stand |
| CN107476308A (en) * | 2017-09-29 | 2017-12-15 | 中铁八局集团建筑工程有限公司 | A kind of pipe-line system for the downward pumping concrete of deep basal pit |
| CN109518973A (en) * | 2018-11-26 | 2019-03-26 | 五冶集团上海有限公司 | A kind of concreting pump line bracket |
| CN110486054A (en) * | 2019-09-10 | 2019-11-22 | 山东建筑大学 | A kind of steel pipe concrete bracket filling concrete system and its method for filling |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE399734B (en) * | 1976-07-05 | 1978-02-27 | Stabilator Ab | KIT AND DEVICE FOR PIPE TRANSPORT OF MATERIAL |
| JPH11264244A (en) * | 1998-03-17 | 1999-09-28 | Taisei Corp | Force feed pipe for concrete |
| JP2007022717A (en) * | 2005-07-14 | 2007-02-01 | Taisei Corp | Piping structure |
| CN202012200U (en) * | 2011-04-08 | 2011-10-19 | 中国葛洲坝集团股份有限公司 | Buffering device for concrete sliding chute |
| CN203583489U (en) * | 2013-11-29 | 2014-05-07 | 胡华 | Descent control device for vertical delivery of concrete |
| CN203755685U (en) * | 2014-04-10 | 2014-08-06 | 葛洲坝集团第五工程有限公司 | Large-drop-height vertical concrete delivery descent control device |
| CN205314573U (en) * | 2016-01-20 | 2016-06-15 | 中国葛洲坝集团第一工程有限公司 | Concrete vertical feed buffer |
| CN205579002U (en) * | 2016-03-30 | 2016-09-14 | 四川华西绿舍建材有限公司 | Complete light concrete pump machine discharge gate return bend |
| CN205636745U (en) * | 2016-05-13 | 2016-10-12 | 苏州国贸嘉和建筑工程有限公司 | Material feeding unit under concrete |
| CN206845189U (en) * | 2017-04-17 | 2018-01-05 | 河南省耿力工程设备有限公司 | A kind of concrete spraying machine cyclone |
| CN207847102U (en) * | 2017-12-19 | 2018-09-11 | 上海建工一建集团有限公司 | Appts. for transferring ready-mixed concrete |
| CN209365030U (en) * | 2018-08-20 | 2019-09-10 | 南宁腾宁商品混凝土有限公司 | A kind of anti-rollover mixed mud mixer truck |
| CN109624075B (en) * | 2018-12-04 | 2021-03-05 | 金华送变电工程有限公司 | Portable all-round concrete unloading pipe device |
| CN109930629B (en) * | 2019-03-28 | 2024-01-30 | 宣城市政建设集团有限公司 | Prefabricated assembled concrete inspection shaft pouring template |
-
2020
- 2020-03-06 CN CN202010153314.0A patent/CN111364768B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09132322A (en) * | 1995-11-08 | 1997-05-20 | Tobishima Corp | Concrete force-feed adjusting pipe, concrete force-feed placing method, and concrete force-feed placing device |
| JP3489444B2 (en) * | 1998-06-26 | 2004-01-19 | 株式会社大林組 | Concrete casting method |
| JP2002220924A (en) * | 2001-01-24 | 2002-08-09 | Tokyo Concrete Pomp Kk | Head nozzle for concrete transport pipe |
| CN103993742A (en) * | 2014-05-26 | 2014-08-20 | 上海汽车改装厂有限公司 | Suspension type concrete spreader |
| CN206268609U (en) * | 2016-12-21 | 2017-06-20 | 杭州墨泰科技股份有限公司 | A kind of mortar delivery pipe auxiliary stand |
| CN107476308A (en) * | 2017-09-29 | 2017-12-15 | 中铁八局集团建筑工程有限公司 | A kind of pipe-line system for the downward pumping concrete of deep basal pit |
| CN109518973A (en) * | 2018-11-26 | 2019-03-26 | 五冶集团上海有限公司 | A kind of concreting pump line bracket |
| CN110486054A (en) * | 2019-09-10 | 2019-11-22 | 山东建筑大学 | A kind of steel pipe concrete bracket filling concrete system and its method for filling |
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| CN111364768A (en) | 2020-07-03 |
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