CN113897966B - Deep foundation pit large-volume concrete pouring device - Google Patents
Deep foundation pit large-volume concrete pouring device Download PDFInfo
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- CN113897966B CN113897966B CN202111266624.4A CN202111266624A CN113897966B CN 113897966 B CN113897966 B CN 113897966B CN 202111266624 A CN202111266624 A CN 202111266624A CN 113897966 B CN113897966 B CN 113897966B
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- flotation pontoon
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- Civil Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The utility model relates to a deep basal pit bulky concrete placement device, relate to the field of foundation ditch construction, it includes the concrete pump truck, be provided with conveying assembly on the concrete pump truck, conveying assembly is connected with the conveyer pipe, conveying assembly is used for carrying the concrete in the conveyer pipe, conveying assembly's one end fixedly connected with flotation pontoon is kept away from to the conveyer pipe, the flotation pontoon bottom surface is the opening form, and inside and the conveyer pipe intercommunication of flotation pontoon, a plurality of through-hole has been seted up to the flotation pontoon side, be provided with the horizontally kickboard in the flotation pontoon top, the fixed elastic component that is provided with between kickboard and the flotation pontoon top surface, the conveyer pipe slides and wears to establish on the kickboard and communicate with kickboard below. The conveying pipe blockage preventing device has the effect of reducing the blockage of the conveying pipe as much as possible.
Description
Technical Field
The application relates to the field of foundation pit construction, especially relates to a deep basal pit bulky concrete placement device.
Background
Along with the development and utilization of urban underground space on larger scale, deep foundation pit engineering is increased day by day, the excavation area of the foundation pit is larger and larger, and the excavation depth is deeper and deeper. After the foundation pit is excavated, concrete is usually poured on the ground of the foundation pit.
At present often need use concrete pump truck to pour to bulky concrete placement process in the deep basal pit, be connected with the conveyer pipe that communicates with the concrete tank on the concrete pump truck, the other end of conveyer pipe is vertical to be inserted in the foundation ditch for concrete in the concrete tank is carried to the foundation ditch bottom and is pour through the conveyer pipe.
In view of the above-mentioned related arts, the inventor thinks that the bottom end of the conveying pipe is easily blocked due to being buried in the concrete in the foundation pit, which affects the concrete pouring process.
Disclosure of Invention
In order to reduce the condition that the conveyer pipe blockked up as far as possible, this application provides a deep basal pit bulky concrete placement device.
The application provides a pair of deep basal pit bulky concrete placement device adopts following technical scheme:
the utility model provides a deep basal pit bulky concrete placement device, includes the concrete pump truck, is provided with conveying assembly on the concrete pump truck, and conveying assembly is connected with the conveyer pipe, and conveying assembly is used for carrying the concrete in the conveyer pipe, and conveying assembly's one end fixedly connected with flotation pontoon is kept away from to the conveyer pipe, and the flotation pontoon bottom surface is the opening form, and inside and the conveyer pipe intercommunication of flotation pontoon.
Through adopting the above technical scheme, the in-process is pour to the deep basal pit, place the conveyer pipe in the foundation ditch near the one end of flotation pontoon, the last delivery unit of mobile concrete pump is the interior conveying concrete of conveyer pipe, make the concrete carry to the flotation pontoon along the conveyer pipe in, concrete volume along with in the flotation pontoon increases gradually, the concrete can with the top surface butt of flotation pontoon, the conveyer pipe continues to carry the concrete in to the flotation pontoon this moment, the concrete can promote flotation pontoon rebound, make the concrete in the flotation pontoon flow to the foundation ditch from the opening of flotation pontoon bottom, thereby make the flotation pontoon be located the top surface of concrete in the foundation ditch all the time in the concrete transportation process, avoid the conveyer pipe bottom to bury in the concrete in the foundation ditch, thereby effectively reduced the condition that the conveyer pipe blockked up appears.
Optionally, a plurality of through holes are formed in the side surface of the float bowl.
Through adopting above-mentioned technical scheme, set up the through-hole in the flotation pontoon side, when the concrete gets into the flotation pontoon inside from the conveyer pipe, partly concrete can follow the through-hole and flow to the foundation ditch in, and another part concrete can be stayed in the flotation pontoon and promote the flotation pontoon rebound, has effectively increased the flow channel that the concrete flowed out in following the flotation pontoon, has not only improved the conveying efficiency of concrete, also can communicate inside and outside of flotation pontoon, has further reduced the condition that the jam appears in the conveyer pipe.
Optionally, be provided with the horizontally kickboard in the flotation pontoon top, the fixed elastic component that is provided with between kickboard and the flotation pontoon top surface, the conveyer pipe slides and wears to establish on the kickboard and communicate with kickboard below.
Through adopting above-mentioned technical scheme, set up the kickboard in the flotation pontoon top after, during the concrete is carried, the concrete in the conveyer pipe can flow to the kickboard below, concrete volume along with in the flotation pontoon increases gradually, the concrete can contact with the kickboard, and promote the kickboard rebound in the flotation pontoon, and extrude the elastic component, can promote the flotation pontoon rebound under the effect of elastic component elastic recovery power this moment, thereby make the flotation pontoon float on the top surface of concrete in the foundation ditch all the time, further avoid in the concrete of conveyer pipe bottom end buries in the foundation ditch, the condition that the jam appears in the conveyer pipe has been reduced.
Optionally, the floating plate side abuts against the inner wall of the floating barrel, and the floating plate is connected with the floating barrel in a sliding mode in the vertical direction.
Through adopting above-mentioned technical scheme, make kickboard side and flotation pontoon inner wall butt, when the concrete promotion kickboard of kickboard below in the flotation pontoon vertical rebound, avoid the concrete of kickboard below to get into the kickboard top, ensure that the kickboard can extrude the elastic component and promote the flotation pontoon and shift up.
Optionally, a hoisting assembly for hoisting the buoy is connected between the buoy and the concrete pump truck.
Through adopting above-mentioned technical scheme, set up on the flotation pontoon and lift by crane the subassembly, can play the dual fail-safe effect, when the flotation pontoon was buried in the concrete because of the unexpected condition, lift by crane the subassembly and can be hoisted the flotation pontoon to the concrete top surface on, further reduced the condition that the conveyer pipe blockked up appears.
Optionally, the hoisting assembly comprises a winch and a lifting rope, the winch is arranged on the concrete pump truck, one end of the lifting rope is wound on the winch, and the other end of the lifting rope is fixedly connected with the buoy.
Through adopting above-mentioned technical scheme, when the flotation pontoon was buried in the concrete, the hoist engine twined the one end of lifting rope, made the other end of lifting rope drive flotation pontoon rebound to hang out the flotation pontoon from the concrete, avoid concrete jam conveyer pipe bottom.
Optionally, a plurality of lifting rings are uniformly arranged on the float, and one end of the lifting rope close to the float is fixedly connected with each lifting ring.
Through adopting above-mentioned technical scheme, set up a plurality of rings on the flotation pontoon, when the lifting rope pulling flotation pontoon rebound, make the flotation pontoon atress more even, ensure that the flotation pontoon opening is down all the time to effectively avoid a large amount of concrete to get into and block up the conveyer pipe in the flotation pontoon.
Optionally, the delivery tube is a corrugated tube.
By adopting the technical scheme, the conveying pipe is arranged to be the corrugated pipe, so that on one hand, the concrete in the conveying pipe can be buffered, and the phenomenon that aggregate is separated due to too large fall of the concrete is reduced; on the other hand, the corrugated delivery pipe can be contracted, and the delivery pipe is prevented from being bent to influence the delivery process of concrete when the buoy moves upwards.
Optionally, the inside and outside of the buoy are coated with smooth layers.
Through adopting above-mentioned technical scheme, all set up the smooth layer inside and outside the flotation pontoon, effectively reduced the frictional resistance of flotation pontoon rebound in the concrete, be favorable to the flotation pontoon to move up to the surface of foundation ditch internal concrete under the impetus of concrete.
Optionally, the float bowl is made of a light alloy material.
Through adopting above-mentioned technical scheme, adopt light-duty alloy material to make the flotation pontoon, not only can make the flotation pontoon have higher intensity, avoid the flotation pontoon to take place to warp, also can make the flotation pontoon have less density, be favorable to the flotation pontoon to upwards remove under the pushing action of concrete.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the floating barrel, concrete can flow into the floating barrel firstly, and the floating barrel is pushed to move upwards to the top surface of the concrete in the foundation pit, so that the bottom end of the conveying pipe is prevented from being buried in the concrete in the foundation pit, and the condition that the conveying pipe is blocked is effectively reduced;
by arranging the floating plate and the elastic piece, the concrete can firstly push the floating plate to move upwards, and then the floating barrel is pushed to move upwards under the action of the restoring force of the elastic piece, so that the floating barrel is beneficial to being always positioned on the top surface of the concrete in the foundation pit;
through setting up the lifting assembly, can hoist the flotation pontoon to the concrete top surface on, further reduced the condition that the conveyer pipe blockked up appears.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram of a partial structure of a delivery assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of a partial structure of a buoy constructed according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of a spar in accordance with an embodiment of the present application;
fig. 5 is a partially enlarged view of a portion a in fig. 1.
Description of reference numerals: 0. a foundation pit; 1. a concrete pump truck; 11. a support frame; 2. a delivery assembly; 21. a concrete mixing tank; 22. a delivery pump; 23. a connecting pipe; 3. a delivery pipe; 4. a float bowl; 41. a through hole; 42. a floating plate; 43. a spring; 44. a hoisting ring; 5. a hoisting assembly; 51. a winch; 52. a pulley; 53. a lifting rope.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses big volume concrete placement device of deep basal pit. Referring to fig. 1, deep basal pit bulky concrete placement device includes mobile concrete pump 1, is provided with conveying assembly 2 and support frame 11 on mobile concrete pump 1, and conveying assembly 2 is connected with conveyer pipe 3, and conveying assembly 2 is used for carrying the concrete in the conveyer pipe 3, and support frame 11 is used for supporting the top of conveyer pipe 3, and 3 bottoms of conveyer pipe are used for inserting in 0 bottoms of basal pit.
Referring to fig. 2, the conveying assembly 2 includes a concrete mixing tank 21, a conveying pump 22 and a connecting pipe 23, the concrete mixing tank 21 and the conveying pump 22 are both installed on the concrete pump truck 1, one end of the connecting pipe 23 is communicated with the interior of the concrete mixing tank 21, the other end is communicated with an inlet of the conveying pump 22, and the top end of the conveying pipe 3 is communicated with an outlet of the conveying pump 22.
During pouring, concrete in the concrete mixing tank 21 enters the conveying pump 22 through the connecting pipe 23, is conveyed into the conveying pipe 3 through the conveying pump 22, and then flows into the bottom of the foundation pit 0 along the bottom end of the conveying pipe 3, so that the conveying effect on the concrete pouring process is realized.
Referring to fig. 1 and 2, one end of the support frame 11 is fixedly disposed on the concrete truck pump truck, and the other end is suspended above the foundation pit 0 and fixedly connected to one end of the delivery pipe 3 close to the delivery pump 22. In the concrete conveying process, the support frame 11 can play a supporting role for the conveying pipe 3.
Referring to fig. 1, one end of the delivery pipe 3 far away from the delivery pump 22 is vertically suspended in the foundation pit 0, and the delivery pipe 3 is a corrugated pipe. Referring to fig. 3, the bottom end of the conveying pipe 3 is cylindrical, and is provided with a float bowl 4, the float bowl 4 is cylindrical and is coaxially sleeved on the bottom end of the conveying pipe 3, the float bowl 4 is made of light alloy materials and is fixedly connected with the conveying pipe 3, and a distance is reserved between the bottom end of the conveying pipe 3 and the bottom surface of the float bowl 4. The bottom surface of the buoy 4 is in an open shape, a plurality of through holes 41 are uniformly formed in the bottom of the side surface of the buoy 4 along the circumferential direction of the bottom, and the through holes 41 penetrate through the bottom end of the buoy 4. The inner and outer sides of the buoy 4 are coated with smooth layers.
When pouring, the concrete is carried to conveyer pipe 3 in through conveyor assembly 2, and flow down to the flotation pontoon 4 along conveyer pipe 3 in, partly concrete flows from the through-hole 41 of flotation pontoon 4 side, another part concrete is stayed in flotation pontoon 4, concrete volume in the flotation pontoon 4 increases gradually, concrete in the flotation pontoon 4 can promote flotation pontoon 4 rebound, make flotation pontoon 4 be located the top surface of foundation ditch 0 interior concrete, avoid conveyer pipe 3 bottom to bury in the concrete of foundation ditch 0, thereby the condition of jam has been appeared in conveyer pipe 3 bottom to the reduction.
Referring to fig. 4, a horizontal floating plate 42 is provided in the top of the float bowl 4, the floating plate 42 is in a circular shape and abuts against the inner wall of the float bowl 4, and the floating plate 42 is connected to the float bowl 4 in a sliding manner in the vertical direction. The bottom end of the conveying pipe 3 is arranged on the floating plate 42 in a penetrating mode, and is connected with the floating plate 42 in a sliding mode along the vertical direction, and the bottom end of the conveying pipe 3 is communicated with the lower portion of the floating plate 42. Be provided with a plurality of elastic component between kickboard 42 and the 4 top surfaces of flotation pontoon, the elastic component is spring 43, and the vertical setting of spring 43 just evenly is provided with a plurality of around kickboard 42 circumference, spring 43 bottom and 4 top surfaces fixed connection of flotation pontoon, spring 43 bottom and kickboard 42 fixed connection.
When pouring, the concrete flows to kickboard 42 below from conveyer pipe 3, and concrete volume along with kickboard 42 below increases gradually, and the concrete can promote the vertical rebound of kickboard 42 in flotation pontoon 4 to extrude spring 43, under the effect of spring 43 elastic recovery power, can be through the upward movement of flotation pontoon 4 in the concrete, be favorable to flotation pontoon 4 to be located the top surface of foundation ditch 0 interior concrete all the time, further reduced the condition that the jam appears in conveyer pipe 3 bottom.
Referring to fig. 1, a hoisting assembly 5 is connected between the buoy 4 and the concrete pump truck 1, referring to fig. 2 and 5, the hoisting assembly 5 comprises a winch 51, a pulley 52 and a lifting rope 53, the winch 51 is fixedly arranged on the concrete pump truck 1, the pulley 52 is rotatably arranged at one end of the support frame 11 far away from the concrete pump truck, one end of the lifting rope 53 is wound on the winch 51, and the other end of the lifting rope 53 bypasses the pulley 52 and vertically extends downwards. A plurality of lifting rings 44 are uniformly arranged on the top surface of the buoy 4, the lifting rings 44 are fixedly connected with the buoy 4, and the bottom end of a lifting rope 53 is fixedly connected with each lifting ring 44.
During pouring, when the buoy 4 is carelessly buried in concrete, the winch 51 is started, the winch 51 enables the lifting rope 53 to be wound and contracted gradually, and then one end, far away from the winch 51, of the lifting rope 53 is driven to lift the buoy 4 from the concrete through the lifting ring 44, so that the buoy 4 is placed on the top surface of the concrete in the foundation pit 0.
The implementation principle of the deep foundation pit large-volume concrete pouring device is as follows: during pouring, concrete is conveyed into the conveying pipe 3 through the conveying assembly 2 and flows down to the lower part of the floating plate 42 in the floating pontoon 4 along the conveying pipe 3, one part of concrete flows out of the through hole 41 on the side surface of the floating pontoon 4, the other part of concrete is remained in the floating pontoon 4, along with the gradual increase of the concrete amount in the floating pontoon 4, the concrete can push the floating plate 42 to vertically move upwards in the floating pontoon 4 and extrude the spring 43, and under the action of the elastic restoring force of the spring 43, the floating pontoon 4 can move upwards in the concrete through the floating pontoon 4, so that the floating pontoon 4 is positioned on the top surface of the concrete in the foundation pit 0, and the bottom end of the conveying pipe 3 is prevented from being buried in the concrete in the foundation pit 0; when the buoy 4 is carelessly buried in the concrete, the buoy 4 is hoisted to the top surface of the concrete in the foundation pit 0 from the concrete through the winch 51 and the hoisting rope 53, so that the bottom end of the conveying pipe 3 is prevented from being buried in the concrete in the foundation pit 0, and the condition that the bottom end of the conveying pipe 3 is blocked is effectively reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a deep basal pit bulky concrete placement device, includes mobile concrete pump (1), is provided with conveying assembly (2) on mobile concrete pump (1), and conveying assembly (2) are connected with conveyer pipe (3), and conveying assembly (2) are used for carrying concrete, its characterized in that in for conveyer pipe (3): one end of the conveying pipe (3) far away from the conveying assembly (2) is fixedly connected with a buoy (4), the bottom surface of the buoy (4) is open, and the interior of the buoy (4) is communicated with the conveying pipe (3); the side surface of the buoy (4) is provided with a plurality of through holes (41); a horizontal floating plate (42) is arranged in the top of the floating barrel (4), an elastic part is fixedly arranged between the floating plate (42) and the top surface of the floating barrel (4), and the conveying pipe (3) is arranged on the floating plate (42) in a penetrating mode in a sliding mode and is communicated with the lower portion of the floating plate (42); the side surface of the floating plate (42) is abutted against the inner wall of the floating barrel (4), and the floating plate (42) is connected with the floating barrel (4) in a sliding mode along the vertical direction.
2. The deep foundation pit large-volume concrete pouring device according to claim 1, characterized in that: and a hoisting assembly (5) for hoisting the buoy (4) is connected between the buoy (4) and the concrete pump truck (1).
3. The deep foundation pit large-volume concrete pouring device according to claim 2, characterized in that: the hoisting assembly (5) comprises a winch (51) and a lifting rope (53), the winch (51) is arranged on the concrete pump truck (1), one end of the lifting rope (53) is wound on the winch (51), and the other end of the lifting rope is fixedly connected with the buoy (4).
4. The deep foundation pit large-volume concrete pouring device according to claim 3, characterized in that: a plurality of lifting rings (44) are uniformly arranged on the floating barrel (4), and one end of each lifting rope (53) close to the floating barrel (4) is fixedly connected with each lifting ring (44).
5. The deep foundation pit large-volume concrete pouring device according to claim 1, characterized in that: the conveying pipe (3) is a corrugated pipe.
6. The deep foundation pit large-volume concrete pouring device according to claim 1, characterized in that: smooth layers are coated on the inner side and the outer side of the floating barrel (4).
7. The deep foundation pit large-volume concrete pouring device according to claim 1, characterized in that: the buoy (4) is made of light alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111266624.4A CN113897966B (en) | 2021-10-28 | 2021-10-28 | Deep foundation pit large-volume concrete pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111266624.4A CN113897966B (en) | 2021-10-28 | 2021-10-28 | Deep foundation pit large-volume concrete pouring device |
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| Publication Number | Publication Date |
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| CN113897966A CN113897966A (en) | 2022-01-07 |
| CN113897966B true CN113897966B (en) | 2022-09-20 |
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| CN202111266624.4A Active CN113897966B (en) | 2021-10-28 | 2021-10-28 | Deep foundation pit large-volume concrete pouring device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206495214U (en) * | 2017-02-18 | 2017-09-15 | 北京东地岩土工程有限公司 | A kind of underwater concrete perfusion conduit |
| CN113202151A (en) * | 2021-05-07 | 2021-08-03 | 湖南六建久华建设有限公司 | High-precision measuring equipment for pile top standard of ultra-deep space pile drilling cast-in-place pile |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2544957B2 (en) * | 1988-01-26 | 1996-10-16 | 清水建設株式会社 | Underwater pouring equipment for slurry |
| CN102953384A (en) * | 2011-08-23 | 2013-03-06 | 魏尚军 | Self-floating underwater concrete pouring method |
| CN206667260U (en) * | 2017-04-01 | 2017-11-24 | 北京爱地地质勘察基础工程公司 | Self-floating underwater gliders device |
| CN111561012A (en) * | 2020-05-13 | 2020-08-21 | 郭新生 | Self-hiding dredging pipe for water conservancy construction |
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2021
- 2021-10-28 CN CN202111266624.4A patent/CN113897966B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206495214U (en) * | 2017-02-18 | 2017-09-15 | 北京东地岩土工程有限公司 | A kind of underwater concrete perfusion conduit |
| CN113202151A (en) * | 2021-05-07 | 2021-08-03 | 湖南六建久华建设有限公司 | High-precision measuring equipment for pile top standard of ultra-deep space pile drilling cast-in-place pile |
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