Concrete pouring anti-segregation distributor for house building construction
By introducing a uniform material distribution cone and distribution box structure into the concrete distributor, combined with a unidirectional breathing structure, the problem of uneven material discharge from the conveying pipe was solved, achieving uniform concrete distribution and efficient pouring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI ZHUHE CONSTR ENG CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-07-14
AI Technical Summary
Existing concrete placing booms suffer from inconsistent material discharge speeds in the conveying pipes during the pouring of large-sized concrete structures, leading to concrete segregation and affecting the pouring quality.
A concrete pouring anti-segregation feeder for building construction was designed. It adopts a uniform flow cone and flow box structure, combined with a unidirectional breathing structure, to ensure that each conveying pipe receives approximately the same amount of concrete, and the discharge speed of the conveying pipe is adjusted by the up and down movement of the cover.
This ensured uniform discharge from each conveying pipe, eliminated concrete segregation, and improved pouring quality and efficiency.
Smart Images
Figure CN224495817U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction pouring technology, specifically a concrete pouring anti-segregation placing device for building construction. Background Technology
[0002] In the construction of large-scale concrete structures, concrete placing booms are usually used to ensure that all concrete is placed. Traditional concrete placing booms are rotary, and in actual use, they have the following problems: during use, some structures are complex and hinder the rotation of the placing boom, so the placing boom cannot guarantee full coverage; during the placing process, personnel need to monitor in real time and control the placing time at each point, and the uniformity of the placing is greatly affected by human factors.
[0003] To address this, utility model CN211007692U discloses a full-coverage concrete placing boom, belonging to the field of building construction engineering technology. This full-coverage concrete placing boom includes: a conveying pipe; a storage trough; and an anti-accumulation section, the diameter of which gradually decreases from top to bottom. The bottom of the anti-accumulation section is connected to the bottom surface inside the storage trough, and the top of the anti-accumulation section is located at the top of the storage trough. Multiple conveying pipes connect to the storage trough outside the trough, and the connection ports between the conveying pipes and the storage trough are located at the lower end inside the storage trough. The full-coverage concrete placing boom has a simple structure, its placement orientation is less affected by the structure, it can achieve full coverage of the placement range, and its placement uniformity is less affected by the worker's skill level, thus improving the quality of concrete construction. It is also more cost-effective than a rotary concrete placing boom.
[0004] However, the existing technology has its shortcomings in use: multiple conveying pipes discharge concrete by its own weight, and multiple conveying pipes are connected to a storage tank. As a result, there is a phenomenon of inconsistent discharge speed of the conveying pipes. In other words, it is difficult for multiple conveying pipes to evenly distribute the pressure of concrete in the storage tank. This leads to the problem of concrete segregation in some conveying pipes, which affects the quality after pouring.
[0005] Therefore, this utility model provides a concrete pouring anti-segregation placing device for building construction. Utility Model Content
[0006] To address the shortcomings of existing technologies, the purpose of this invention is to provide a concrete pouring anti-segregation distributor for building construction, thereby solving the problems mentioned in the background. This invention has the advantages of ensuring that each conveying pipe receives approximately equal amounts of concrete, further improving the uniformity of material distribution from the turnover cylinder to each conveying pipe, and also has the advantage of pressure discharge, making the discharge speed of each conveying pipe approximately equal, thus eliminating segregation.
[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a concrete pouring anti-segregation distribution device for building construction, comprising a reusable material cylinder, wherein a plurality of material conveying pipes are connected around the outer periphery of the reusable material cylinder, characterized in that a material equalization and diversion cone is provided at the bottom of the reusable material cylinder, a diversion box is fixedly connected to the top of the material equalization and diversion cone, a cover that can move up and down is sealed and connected to the top of the reusable material cylinder, and a feeding pipe that passes through the cover is fixedly connected to the top of the diversion box, the feeding pipe and the cover are slidably engaged, and a one-way breathing structure is provided on the cover.
[0008] Furthermore, the turnover cylinder is conical with its small end facing downwards, and a connecting cylinder is welded to the top of the turnover cylinder. The bottom of the cover is fitted over the outside of the connecting cylinder, and a sealing sleeve is provided between the two.
[0009] Furthermore, the material distribution cone is conical with its small end facing upwards, and the opening of the conveying pipe located inside the rotating material cylinder is positioned near the large end of the material distribution cone.
[0010] Furthermore, a guide sleeve is welded to the top of the cover and fitted onto the outside of the feed pipe, and a sealing ring is nested inside the guide sleeve and located outside the feed pipe.
[0011] Furthermore, the one-way breathing structure includes a guide post, a guide tube, an air duct, and a sealing plate. The air duct is disposed through the upper end face of the sealing cover. The guide tube passes through the air duct with a gap, and its outer peripheral wall is fixedly connected to the inner wall of the air duct by a positioning rod. The guide post is sleeved inside the guide tube, and one end of it is fixedly connected to the sealing plate located inside the sealing cover.
[0012] Furthermore, the sealing plate has a frustum-shaped structure and its small end is fixedly connected to the bottom end of the guide post.
[0013] Furthermore, the outer wall of the turnover cylinder is fixedly connected to a reciprocating push rod located above the cover via a gantry frame, and the output shaft of the reciprocating push rod is fixedly connected to the upper end face of the cover.
[0014] Furthermore, the diversion box is fixedly connected to the top of the conical cylindrical small end and the uniform material diversion cone, and the outer conical wall of the diversion box has material leakage holes that are close to the bottom and are evenly distributed in the circumference. The top of the diversion box is fixedly connected to the bottom of the feeding pipe.
[0015] The beneficial effects of this utility model are as follows:
[0016] In this invention, a sealing cover is connected to the top of the turnover cylinder. The cover is designed to slide up and down. When it descends, it increases the pressure inside the turnover cylinder. This pressure will push the concrete in each conveying pipe to discharge faster, reduce the time that the concrete stays in the conveying pipe, and thus eliminate the problem of concrete segregation in the conveying pipe.
[0017] In this invention, a material distribution cone and a distribution box located at the top of the material distribution cone are set inside the turnover cylinder. Then, a feeding pipe is set above the distribution box. The distribution box and the material distribution cone form a two-stage material distribution structure, which enables each conveying pipe to continuously receive an equal amount of concrete, ensuring the discharge flow of multiple conveying pipes and making the multi-point distribution pouring more uniform. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of a concrete pouring anti-segregation placing device for building construction according to this utility model;
[0019] Figure 2 for Figure 1 A schematic diagram showing the separation of the central sealing cover and the turnover cylinder;
[0020] Figure 3 for Figure 2 The diagram at the bottom.
[0021] In the diagram: 1. Turnover cylinder; 11. Docking cylinder; 2. Conveying pipe; 3. Flow dividing cone; 4. Diverting box; 41. Leakage hole; 5. Cover; 51. Guide sleeve; 6. Feeding pipe; 7. One-way breathing structure; 71. Guide column; 72. Guide tube; 721. Positioning rod; 73. Vent pipe; 74. Sealing plate; 8. Sealing sleeve; 9. Sealing ring; 101. Gantry frame; 102. Reciprocating push rod. Detailed Implementation
[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0023] Please see Figures 1 to 3 This utility model provides a technical solution: a concrete pouring anti-segregation spreader for building construction, including a turnover cylinder 1, which is used to temporarily store concrete slurry. Several conveying pipes 2 are connected around the outer periphery of the turnover cylinder 1, and the concrete slurry flows to the corresponding pouring point through each conveying pipe 2.
[0024] In this technical solution, a material distribution cone 3 is provided at the bottom of the turnover cylinder 1. A distribution box 4 is fixedly connected to the top of the material distribution cone 3. A feeding pipe 6 with a sealing through cover 5 is fixedly connected to the top of the distribution box 4. Specifically, a guide sleeve 51 is welded to the top of the cover 5 and sleeved outside the feeding pipe 6. A sealing ring 9 located outside the feeding pipe 6 is nested inside the guide sleeve 51. In use, the top of the feeding pipe 6 is connected to an external concrete pump through a pipeline. After the concrete in the feeding pipe 6 falls, it will first fall onto the distribution box 4, and then be dispersed by the material distribution cone 3, so that each conveying pipe 2 can receive approximately equal amounts of concrete.
[0025] Specifically, the diversion box 4 is a conical cylindrical small end fixedly connected to the top of the uniform material diversion cone 3. The outer conical wall of the diversion box 4 has material leakage holes 41 that are close to the bottom and evenly distributed in the circumference. The top of the diversion box 4 is fixedly connected to the bottom of the feeding pipe 6. The concrete slurry discharged from the feeding pipe 6 first falls into the diversion box 4. The diversion box 4 can effectively prevent the uneven material drop caused by the impact of the slurry discharged from the feeding pipe 6. The slurry in the diversion box 4 will fall to the surrounding area through each material leakage hole 41.
[0026] Furthermore, the top of the turnover cylinder 1 is sealed with a cover 5 that can move up and down. The feeding pipe 6 and the cover 5 are slidably engaged. When the cover 5 moves downward, the air pressure inside the turnover cylinder 1 increases. This air pressure can apply pressure to the concrete below, thereby causing each conveying pipe 2 to discharge material under pressure at the same time. This can increase the discharge speed of concrete in the conveying pipe 2 and effectively eliminate the problem of concrete segregation in the conveying pipe 2.
[0027] The cover 5 is equipped with a one-way breathing structure 7, which enables the cover 5 to reciprocate, allowing the turnover cylinder 1 to periodically discharge material under pressure.
[0028] Specifically, the one-way breathing structure 7 includes a guide post 71, a guide tube 72, a vent tube 73, and a sealing plate 74. The vent tube 73 is installed through the upper end face of the cover 5 and serves as the breathing port. The guide tube 72 passes through the vent tube 73 with a gap, and its outer peripheral wall is fixedly connected to the inner wall of the vent tube 73 by a positioning rod 721. The guide post 71 is sleeved inside the guide tube 72, and one end of it is fixedly connected to the sealing plate 74 located inside the cover 5. When the sealing plate 74 moves upward to its limit position, it will block the bottom opening of the vent tube 73. The driving force for the upward movement of the sealing plate 74 comes from the air pressure inside the turnover cylinder 1. In order to avoid the problem of material accumulation above the sealing plate 74 affecting the seal, the sealing plate 74 can be set as a truncated cone structure. The small end of the sealing plate 74 is fixedly connected to the bottom end of the guide post 71. In use, a rubber plate can also be glued to the conical surface of the sealing plate 74 as needed to further improve the sealing performance.
[0029] In this embodiment, the turnover cylinder 1 is conical with its small end facing down. This design can greatly reduce the amount of concrete residue in the turnover cylinder 1. A connecting cylinder 11 is welded to the top of the turnover cylinder 1. The bottom of the cover 5 is fitted over the outside of the connecting cylinder 11, and a sealing sleeve 8 is provided between the two. The sealing sleeve 8 ensures the airtightness of the space enclosed by the turnover cylinder 1 and the cover 5.
[0030] Furthermore, the material distribution cone 3 is conical with its small end facing upwards. The opening of the conveying pipe 2 inside the turnover cylinder 1 is located near the large end of the material distribution cone 3. This arrangement allows the concrete in the turnover cylinder 1 to be evenly distributed by itself, eliminating height differences and further eliminating the amount of residual concrete in the turnover cylinder 1.
[0031] In this embodiment, the outer wall of the turnover cylinder 1 is fixedly connected to a reciprocating push rod 102 located above the cover 5 via a gantry frame 101. The reciprocating push rod 102 can be a reciprocating cylinder structure. The output shaft of the reciprocating push rod 102 is fixedly connected to the upper end face of the cover 5. When in use, the reciprocating cylinder is connected to an external control solenoid valve and air pump, thereby realizing the reciprocating action of the reciprocating cylinder, which in turn drives the cover 5 to move up and down.
[0032] Working principle: When the slurry conveyed by the feed pipe 6 falls, it will first fall into the distribution box 4. After settling, the slurry in the distribution box 4 will fall evenly through each leakage hole 41, and then fall onto the outer cone wall of the uniform distribution cone 3 and fall to the bottom of the turnover cylinder 1. Then it enters each conveying pipe 2. When the reciprocating push rod 102 is started and the cover 5 moves downward, the air pressure in the turnover cylinder 1 increases. The pressure pushes the slurry in the turnover cylinder 1 to move downward. At this time, each conveying pipe 2 will quickly discharge the material.
[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A concrete pouring anti-segregation distribution device for building construction, comprising a reusable material cylinder (1), wherein a plurality of material conveying pipes (2) are connected around the outer periphery of the reusable material cylinder (1), characterized in that, The bottom of the turnover cylinder (1) is provided with a material distribution cone (3), the top of the material distribution cone (3) is fixedly connected with a distribution box (4), the top of the turnover cylinder (1) is sealed with a cover (5) that can move up and down, the top of the distribution box (4) is fixedly connected with a feeding pipe (6) that seals through the cover (5), the feeding pipe (6) and the cover (5) are slidably engaged, and the cover (5) is provided with a one-way breathing structure (7).
2. The concrete pouring anti-segregation placing device for building construction according to claim 1, characterized in that: The turnover cylinder (1) is conical with its small end facing down. A docking cylinder (11) is welded to the top of the turnover cylinder (1). The bottom of the cover (5) is sleeved on the outside of the docking cylinder (11) and a sealing sleeve (8) is provided between the two.
3. A concrete pouring anti-segregation placing device for building construction according to claim 2, characterized in that: The material distribution cone (3) is conical with its small end facing upwards, and the opening of the conveying pipe (2) located inside the rotating material cylinder (1) is positioned close to the large end of the material distribution cone (3).
4. A concrete pouring anti-segregation placing device for building construction according to claim 1, characterized in that: The top of the cover (5) is welded with a guide sleeve (51) that is sleeved on the outside of the feed tube (6), and a sealing ring (9) is nested inside the guide sleeve (51) and located outside the feed tube (6).
5. A concrete pouring anti-segregation placing device for building construction according to claim 1, characterized in that: The one-way breathing structure (7) includes a guide post (71), a guide tube (72), an air tube (73), and a sealing plate (74). The air tube (73) is installed through the upper end face of the cover (5). The guide tube (72) passes through the air tube (73) with a gap, and its outer peripheral wall is fixedly connected to the inner wall of the air tube (73) through a positioning rod (721). The guide post (71) is sleeved in the guide tube (72), and one end of it is fixedly connected to the sealing plate (74) located in the cover (5).
6. A concrete pouring anti-segregation placing device for building construction according to claim 5, characterized in that: The sealing plate (74) is a truncated cone structure and its small end is fixedly connected to the bottom end of the guide post (71).
7. A concrete pouring anti-segregation placing device for building construction according to claim 1, characterized in that: The outer wall of the turnover cylinder (1) is fixedly connected to a reciprocating push rod (102) located above the cover (5) via a gantry frame (101), and the output shaft of the reciprocating push rod (102) is fixedly connected to the upper end face of the cover (5).
8. A concrete pouring anti-segregation placing device for building construction according to claim 1, characterized in that: The diversion box (4) is fixedly connected to the top of the conical cylindrical small end and the uniform material diversion cone (3). The outer conical wall of the diversion box (4) is provided with material leakage holes (41) that are close to the bottom and are evenly distributed in the circumference. The top of the diversion box (4) is fixedly connected to the bottom of the feeding pipe (6).