CN220666224U - Anti-segregation aggregate bin for concrete - Google Patents

Abstract

The application discloses a concrete segregation preventing and collecting hopper, which is integrally arranged in a shape of a Chinese character 'gan', and comprises a movable string cylinder and at least one fixed string cylinder, wherein the movable sleeve is used for hoisting and matching with a concrete pumping source, and the fixed string cylinder is used for being fixed in a region to be poured; the movable string tube is internally provided with a first concrete channel, the fixed string tube is internally provided with a second concrete channel, the output end of the movable string tube is inserted into the input end of the fixed string tube, so that the first concrete channel is communicated with the second concrete channel, and the movable string tube can slide along the second concrete channel to adjust the length of the movable string tube inserted into the fixed string tube. The method has the advantages that the number of pouring intervals and the duration are reduced without cutting in the construction process, the concrete pouring quality is guaranteed, and the construction efficiency is improved.

Description

Anti-segregation aggregate bin for concrete

Technical Field

The utility model relates to the technical field of concrete pouring, in particular to a segregation-preventing aggregate bin for concrete.

Background

Modern building floors are higher and higher, in order to guarantee stability, super-high building is often required to pour super-large super-thick foundation rafts, the thickness of each raft can reach 6m or even thicker, and in the pouring process of concrete, if the free inclined falling height is greater than 2m, segregation phenomenon easily occurs, and the quality of concrete pouring is affected.

In order to avoid concrete segregation, the existing ultra-large ultra-thick concrete raft pouring method is to combine a metal funnel and a PVC hard plastic sleeve into a string tube, then fix the string tube on gluten and pour the string tube, but in the pouring process, the string tube is continuously moved upwards along with the concrete pouring surface, people are required to go down the raft rib to cut the PVC hard plastic tube, so that the pouring can be normally performed, and meanwhile, the PVC hard plastic tube is taken out of the raft, and because of structural consideration, a plastic product cannot be remained inside the raft. The PVC hard plastic pipe is cut in the raft plate in the whole pouring process, so that potential safety hazards exist, and meanwhile, the pouring needs to be suspended in the cutting process, so that time and labor are wasted, and the pouring process is seriously influenced.

Disclosure of Invention

The utility model provides a concrete segregation-preventing collecting hopper, which aims to solve the technical problem of lower construction efficiency when a super-large and super-thick concrete raft is poured.

According to one aspect of the utility model, there is provided a segregation-preventing aggregate bin for concrete, comprising a movable string tube and at least one fixed string tube, wherein the movable sleeve is used for hoisting and matching with a concrete pumping source, and the fixed string tube is used for being fixed in an area to be poured; the movable string tube is internally provided with a first concrete channel, the fixed string tube is internally provided with a second concrete channel, the output end of the movable string tube is inserted into the input end of the fixed string tube, so that the first concrete channel is communicated with the second concrete channel, and the movable string tube can slide along the second concrete channel to adjust the length of the movable string tube inserted into the fixed string tube.

By adopting the technical scheme, during construction, the fixed string cylinder is fixed on the reinforcing steel bar net of the area to be poured, the movable string cylinder is hoisted through the tower crane, and during pouring, the output end of the movable string cylinder is inserted into the fixed sleeve to reduce the overall height of the first concrete channel and the second concrete channel, the concrete directly reaches the bottom of the raft through the first concrete channel and the second concrete channel, the free falling height of the concrete is lower, and along with the concrete pouring process, the concrete is irrigated from bottom to top in a flood manner, so that the segregation phenomenon caused by the rapid falling of the concrete can be avoided; the concrete rises along with the movable sleeve, the movable sleeve can be moved upwards, and is separated from the fixed sleeve when pouring is completed, so that the movable sleeve can be recycled, the PVC hard plastic pipe cutting step and the temporary pouring problem caused by the PVC hard plastic pipe cutting step are not needed in the construction process, the pouring interval times and the time are reduced, the concrete pouring quality is ensured, and the construction efficiency is improved.

Optionally, the fixed cluster section of thick bamboo includes the fixed funnel that is located the input and is located the fixed sleeve pipe of output, and fixed sleeve pipe is connected with the little mouth end of fixed funnel.

Through adopting above-mentioned technical scheme, the input of fixed cluster section of thick bamboo sets up to the funnel form, can play the effect of direction on the one hand, the butt joint of the movable cluster section of thick bamboo and the solid cluster section of thick bamboo of being convenient for in the work progress, on the other hand, concrete face can rise after the raft is pour and accomplish, and fixed funnel can play temporary storage concrete effect.

Optionally, be provided with the connecting plate on the big mouth end outer wall of fixed funnel, the upper surface of connecting plate flushes with fixed funnel's terminal surface.

Through adopting above-mentioned technical scheme, when the construction, through with the connecting plate welding on waiting to pour regional reinforcing bar net in order to fix, can increase welded area, promote the stability of fixed cluster section of thick bamboo, prevent to pour the in-process and rock and drive fixed cluster section of thick bamboo removal because of movable cluster section of thick bamboo.

Optionally, the movable string tube comprises a movable funnel at the input end and a movable sleeve at the output end, the movable sleeve is connected with the small opening end of the movable funnel, a hanging plate is arranged on the outer wall of the movable string tube, and a hanging hole is formed in the hanging plate.

Through adopting above-mentioned technical scheme, set up the concrete that movable funnel can be convenient for pump truck pump and accurately enter into first concrete passageway in, can be convenient for the tower crane hoist and mount movable cluster section of thick bamboo through setting up hanging plate and lifting hole, guarantee movable cluster section of thick bamboo can not the landing when removing.

Optionally, the diameter of the movable sleeve is smaller than the diameter of the fixed sleeve.

By adopting the technical scheme, the movable string tube and the fixed string tube can be conveniently in butt joint, so that the movable sleeve can extend into the fixed sleeve.

Optionally, be provided with the buffer board in the movable sleeve, the buffer board includes fixed limit and open limit, the fixed limit and the movable sleeve's of buffer board inner wall fixed connection, be provided with the clearance that supplies the concrete to pass through between the open limit of buffer board and the movable sleeve inner wall.

Through adopting above-mentioned technical scheme, the concrete can collide with the buffer plate when passing through movable sleeve to can slow down the speed that the concrete falls, and then reduce the segregation of concrete.

Optionally, the buffer plate slope sets up, makes the atress face of buffer plate be the acute angle with the concrete flow contained angle that inputs from movable cluster section of thick bamboo input, the fixed limit of buffer plate is located the buffer plate and is close to one side of movable cluster section of thick bamboo input.

Through adopting above-mentioned technical scheme, can make the concrete less to the impact force of buffer board when slowing down concrete whereabouts speed, make the concrete can not pile up on the buffer board simultaneously, avoid first concrete passageway to be blocked.

Optionally, the buffer plate has a plurality ofly along movable sleeve's length direction distribution, and the fixed limit dislocation distribution of adjacent buffer plate makes the intraductal first concrete passage of movable sleeve be the snakelike that meanders.

Through adopting above-mentioned technical scheme, set up a plurality of buffer boards and can carry out the speed to the concrete many times, it is better to slow down the effect, and adjacent buffer board dislocation set simultaneously can prolong the route of first concrete passageway, further slows down the speed of concrete.

Optionally, an access hole is formed in the movable sleeve and/or the fixed sleeve, and an access cover plate for sealing the access hole is slidably connected to the access hole.

Through adopting above-mentioned technical scheme, when fixed sleeve or movable sleeve block, can slide the access panel in order to open the access door to the mediation is blocked, perhaps can overhaul and maintain the intraductal buffer board of movable sleeve through the access door.

Optionally, a traction rope is arranged on the overhaul cover plate, and the traction rope extends out of the concrete segregation-preventing collecting hopper.

Through adopting above-mentioned technical scheme, when fixed sleeve or movable sleeve block, only need pulling haulage rope can open the access cover, make the concrete can flow out from the access hole and need not the staff to enter into the work below the gluten of raft, it is comparatively convenient to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the free falling height of the concrete can be reduced, so that the risk of concrete segregation is reduced;

2. the movable string cylinder and the fixed string cylinder can be separated, so that pouring can be conveniently performed back and forth at a plurality of pouring points;

3. the fixed type string barrel part does not need to be cut, so that the casting interval times and the casting duration are reduced, the concrete casting quality is ensured, and the safety risk brought by the cutting process is reduced.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a concrete segregation-preventing hopper according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic structural view of a buffer plate according to a preferred embodiment of the present utility model;

fig. 3 is a schematic view of the construction of an access panel according to a preferred embodiment of the present utility model.

Legend description:

1. a movable string cylinder; 11. a movable funnel; 12. a movable sleeve; 13. a hanging plate; 14. a hoisting hole; 2. fixing the string tube; 21. a fixed funnel; 22. fixing the sleeve; 23. a connecting plate; 3. an access opening; 4. an access panel; 5. a traction rope; 6. a buffer plate; 61. an opening edge; 62. fixing the edges; 7. and a sliding groove.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a segregation-preventing aggregate bin of concrete, refer to fig. 1, and segregation-preventing aggregate bin of concrete includes activity cluster section of thick bamboo 1 and at least one fixed cluster section of thick bamboo 2, and movable sleeve 12 is used for hoist and mount and cooperates with concrete pumping source, and fixed cluster section of thick bamboo 2 is used for being fixed in and waits to pour the region, and the quantity of fixed cluster section of thick bamboo 2 can set up according to the actual demand of job site.

The fixed string tube 2 comprises a fixed funnel 21 and a fixed sleeve 22, the fixed sleeve 22 is connected with the small opening end of the fixed funnel 21, the fixed funnel 21 and a cavity in the fixed sleeve 22 are communicated to form a second concrete channel, the fixed funnel 21 is located at the input end, and the fixed sleeve 22 is located at the output end. During construction, the fixed string cylinder 2 is used for being fixed on a reinforcing steel bar mesh of a to-be-welded area, the connecting plate 23 is arranged on the outer wall of the large opening end of the fixed funnel 21, the upper surface of the connecting plate 23 is flush with the end surface of the fixed funnel 21, and the purpose of the connecting plate 23 is to increase the welding fixing area so as to improve the stability of the fixed string cylinder 2.

In a specific embodiment, one or more access holes 3 are formed in the side wall of the fixed sleeve 22, sliding grooves 7 are formed in two sides of the access holes 3 along the length direction of the fixed sleeve 22, and an access cover plate 4 is slidably connected in the sliding grooves 7, so that the access holes 3 can be opened or closed through sliding the access cover plate 4. Fixedly connected with haulage rope 5 on the access panel 4, haulage rope 5 stretches out from the top of fixed cluster section of thick bamboo 2, can drive access panel 4 slip through pulling haulage rope 5.

The movable string tube 1 comprises a movable funnel 11 and a movable sleeve 12, the movable sleeve 12 is connected with the small opening end of the movable funnel 11, a first concrete channel is formed by communicating cavities in the movable funnel 11 and the movable sleeve 12, the movable funnel 11 is located at an input end, and the movable sleeve 12 is located at an output end. The outer diameter of the movable sleeve 12 is matched with the inner diameter of the fixed sleeve 22, the diameter of the movable sleeve 12 is smaller than that of the fixed sleeve 22, so that the movable sleeve 12 can be inserted into the fixed sleeve 22, and the length of the movable sleeve 1 inserted into the fixed sleeve 2 can be adjusted by moving the movable sleeve 1 up and down.

Referring to fig. 1 and 2, a lifting plate 13 is welded and fixed on the outer wall of the movable string cylinder 1, lifting holes 14 or lifting lugs are formed in the lifting plate 13, and the tower crane can lift the movable string cylinder 1 through the lifting holes 14. In a specific embodiment, the movable sleeve 12 is internally provided with a buffer plate 6, the buffer plate 6 comprises a fixed edge 62 and an open edge 61, the fixed edge 62 of the buffer plate 6 is fixedly connected with the inner wall of the movable sleeve 12, and a gap for passing concrete is arranged between the open edge 61 of the buffer plate 6 and the inner wall of the movable sleeve 12. The buffer plate 6 is obliquely arranged, so that the stress surface of the buffer plate 6 forms an acute angle with the included angle of the concrete flow input from the input end of the movable serial barrel 1, and the fixed edge 62 of the buffer plate 6 is positioned on one side of the buffer plate 6 close to the input end of the movable serial barrel 1. The buffer plates 6 are distributed along the length direction of the movable sleeve 12, and the fixed edges 62 of the adjacent buffer plates 6 are distributed in a staggered manner, so that the first concrete channel in the movable sleeve 12 is in a serpentine shape, and specifically, the first concrete channel can be in an arcuate shape, an S shape or a spiral shape. In a specific embodiment, the buffer plate 6 is at an angle of 45 degrees to the inner wall of the movable sleeve. In a specific embodiment, the buffer plate 6 is a cylindrical panel.

Referring to fig. 1 and 3, in a specific embodiment, one or more access holes 3 are formed in a side wall of the movable sleeve 12, sliding grooves 7 are formed in two sides of the access hole 3 along a length direction of the movable sleeve 12, and an access cover plate 4 is slidably connected in the sliding grooves 7, so that the access hole 3 can be opened or closed by sliding the access cover plate 4. The overhaul cover plate 4 is movably connected with a traction rope 5, the traction rope 5 extends out of the top of the movable string drum 1, and the overhaul cover plate 4 can be driven to slide by pulling the traction rope 5.

In field use, the length and diameter of the retaining sleeve 22 can be adjusted according to field practice.

In a specific embodiment, the fixing funnel 21, the fixing sleeve 22 and the connecting plate 23 are all made of metal, so that the fixing string tube 2 is kept in the raft after pouring is completed without being taken out, and the movable string tube 1 can be recycled.

The working principle of the concrete segregation-preventing collecting hopper disclosed by the embodiment is as follows:

1. when the raft is used for pouring, the pouring points are determined at first, and marks are made on the raft pouring points.

2. The fixed string tube 2 is welded and fixed on the middle reinforcing steel bar net after entering the raft in advance, and the fixed string tube is hit by a hammer after the welding and fixing are finished, so that the fixation is firm.

3. Holes are formed in the position of the pouring mark points on the surface layer reinforcing steel bar net, and the size of each hole is not smaller than the diameter of the movable sleeve 12, but is not larger than the diameter of the upper part of the movable funnel 11.

4. When pouring is to be performed, the movable string cylinder 1 is first inserted into the fixed string cylinder 2.

5. After the casting is started, the single casting height of the concrete is controlled, and the single casting height is generally controlled to be about 60cm, so that the movable string drum 1 is moved according to a pre-planned casting sequence to transfer the casting position every time the casting height reaches 60 cm.

6. When the pouring position is transferred, the movable string cylinder 1 is lifted by the tower crane, namely, the lifting hook is clamped into the lifting hole 14 formed in the lifting plate 13 for transferring, so that the falling condition is avoided in the lifting process.

7. And (3) continuing pouring after the operation is confirmed to a new pouring point, and returning until the pouring completion surface reaches the top of the fixed string barrel 2, and recovering the movable string barrel 1 for secondary use after the concrete pouring surface is within 2m from the raft surface.

8. The subsequent casting process is still that the single casting height is about 60cm, when casting is completed quickly, the cavity left by the surface layer steel bar is recovered in time, and after the casting is completed thoroughly, the film is covered and water is dispersed for maintenance at regular time.

The concrete segregation preventing aggregate hopper disclosed by the embodiment is integrally arranged in a shape of a Chinese character 'gan', so that the free falling height of concrete is not more than 2m, the risk of concrete segregation is reduced, and the pouring quality of a raft is improved; the fixed string cylinder and the movable string cylinder can be separated, and the characteristics of repeated back and forth pouring of the ultra-large ultra-thick concrete raft are met; the fixed string cylinder part does not need to be cut, so that the casting interval times and the casting duration are reduced, the concrete casting quality is ensured, and the safety risk brought by the cutting process is reduced; the lower fixing string cylinder is made of metal materials, so that the phenomenon similar to the cracking of PVC pipes in the bottom-up flood irrigation process in the concrete pouring process is avoided; the movable string cylinder can be recycled for the second time, so that the material is saved, and the green construction requirement is met.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A concrete segregation-preventing collecting hopper is characterized in that,

the concrete segregation-preventing aggregate hopper is integrally arranged in a shape of a Chinese character 'gan', and comprises a movable string cylinder (1) and at least one fixed string cylinder (2), wherein the movable string cylinder (1) is used for carrying out movable adjustment through hoisting and is matched with a concrete pumping source, and the fixed string cylinder (2) is used for being fixed in a region to be poured;

a first concrete channel is formed in the movable string tube (1), a second concrete channel is formed in the fixed string tube (2), the output end of the movable string tube (1) is inserted into the input end of the fixed string tube (2) so that the first concrete channel and the second concrete channel are communicated, and the movable string tube (1) is slidably arranged along the second concrete channel so as to adjust the length of the movable string tube (1) inserted into the fixed string tube (2).

2. The segregation preventing hopper of concrete according to claim 1, wherein,

the fixed string tube (2) comprises a fixed funnel (21) positioned at the input end and a fixed sleeve (22) positioned at the output end, and the fixed sleeve (22) is connected with the small opening end of the fixed funnel (21).

3. The segregation preventing hopper of concrete according to claim 2, wherein,

the large opening end outer wall of the fixed funnel (21) is provided with a connecting plate (23), and the upper surface of the connecting plate (23) is flush with the end face of the fixed funnel (21).

4. The segregation preventing hopper according to claim 3, wherein,

the movable string tube (1) comprises a movable funnel (11) positioned at an input end and a movable sleeve (12) positioned at an output end, wherein the movable sleeve (12) is connected with a small opening end of the movable funnel (11), a hanging plate (13) is arranged on the outer wall of the movable string tube (1), and a hanging hole (14) or hanging lug is arranged on the hanging plate (13).

5. The segregation preventing hopper of claim 4, wherein,

the outer diameter of the movable sleeve (12) is matched with the inner diameter of the fixed sleeve (22).

6. The segregation preventing hopper of claim 5, wherein,

be provided with buffer board (6) in movable sleeve (12), buffer board (6) are including fixed limit (62) and open limit (61), and the fixed limit (62) of buffer board (6) are provided with the clearance that supplies the concrete to pass through between the inner wall of open limit (61) and movable sleeve (12) of buffer board (6) with the inner wall fixed connection of movable sleeve (12).

7. The segregation preventing hopper of claim 6, wherein,

the buffer plate (6) is obliquely arranged, so that the stress surface of the buffer plate (6) and the included angle of the concrete flow input from the input end of the movable serial barrel (1) are acute angles, and the fixed edge (62) of the buffer plate (6) is positioned on one side, close to the input end of the movable serial barrel (1), of the buffer plate (6).

8. The segregation preventing hopper of claim 7, wherein,

the buffer plates (6) are distributed along the length direction of the movable sleeve (12), and the fixed edges (62) of the adjacent buffer plates (6) are distributed in a staggered mode, so that a first concrete channel in the movable sleeve (12) is in a serpentine shape.

9. The segregation preventing hopper of claim 4, wherein,

an access hole (3) is formed in the movable sleeve (12) and/or the fixed sleeve (22), and the access hole (3) is slidably connected with an access cover plate (4) for sealing the access hole (3).

10. The segregation preventing hopper of claim 9, wherein,

the overhaul cover plate (4) is provided with a traction rope (5), and the traction rope (5) extends out of the concrete segregation-preventing collecting hopper.