CN-117144922-B - Roller compacted concrete conveying system and method

CN117144922BCN 117144922 BCN117144922 BCN 117144922BCN-117144922-B

Abstract

The invention discloses a roller compacted concrete conveying system which comprises an upper discharging platform, a lower receiving platform and a pipeline, wherein the pipeline is arranged between the upper discharging platform and the lower receiving platform, a storage hopper is arranged on the upper discharging platform, the upper end of the pipeline is connected with the storage hopper through an upper valve, a lower valve is arranged at the lower end of the pipeline, a material level detection mechanism is arranged on the storage hopper, the roller compacted concrete conveying system further comprises a concrete transportation vehicle, a bin surface transfer vehicle, a control center and a material detection mechanism for detecting the amount of materials in the concrete transportation vehicle, and the material level detection mechanism, the upper valve, the lower valve, the concrete transportation vehicle, the bin surface transfer vehicle and the material detection mechanism are all in information connection with the control center. Also discloses a roller compacted concrete conveying method which is carried out by adopting a roller compacted concrete conveying system. The roller compacted concrete conveying system and method can ensure good concrete quality, good coordination, high automation degree and high overall efficiency.

Inventors

WU DUDU
XIA GUANGXIN
AN HUI
WANG WEI
ZHANG FAN
LIU ZHAOLONG
ZHOU HUA
YU YONGJUN
HOU LIAN
DUAN CHUAN
Xiang qiwei
ZHAO MINGXUAN
XIAO WEILIANG
LI ZHI

Assignees

中国水利水电第八工程局有限公司
华能澜沧江水电股份有限公司

Dates

Publication Date: 20260505
Application Date: 20230904

Claims (10)

1. A roller compacted concrete conveying system comprises an upper discharging platform (1), a lower receiving platform (2) and a pipeline (3), wherein the pipeline (3) is arranged between the upper discharging platform (1) and the lower receiving platform (2), the roller compacted concrete conveying system is characterized in that a storage hopper (4) is arranged on the upper discharging platform (1), the upper end of the pipeline (3) is connected with the storage hopper (4) through an upper valve (5), a lower valve (6) is arranged at the lower end of the pipeline (3), a material level detection mechanism is arranged on the storage hopper (4), the roller compacted concrete conveying system further comprises a concrete conveying vehicle (7), a bin surface transfer vehicle (8), a control center and a material detection mechanism for detecting the material quantity in the concrete conveying vehicle (7), the material level detection mechanism, the upper valve (5), the lower valve (6), the concrete conveying vehicle (7), the bin surface transfer vehicle (8) and the material detection mechanism are all connected with control center information, the control center sends a closing signal to the upper valve (5) and the lower valve (6), the control center sends a first control vehicle (5) and the lower valve (6) to the first bin surface transfer vehicle (7) to the upper conveying vehicle (7) and the first bin (7) to the upper bin surface transfer vehicle (7) and the first bin (7) to receive the concrete conveying vehicle and the first bin surface (7) and send the signal to the first bin surface transfer vehicle (7) and the first bin surface transfer vehicle and the first control vehicle and the signal to the first bin surface transfer vehicle (7), the first bin surface transfer car (8) receives the bin opening signal and then reaches the lower receiving platform (2) and is positioned below the lower valve (6), the material detection mechanism detects that the concrete in the first concrete transfer car (7) is unloaded, then sends a discharging completion signal to the control center, the control center receives the discharging completion signal and then sends an opening signal to the upper valve (5), the upper valve (5) is opened, the pipeline (3) is filled with concrete, and sends a discharging completion signal to the first concrete transfer car (7) and a ready discharging signal to the second concrete transfer car (7), the material level detection mechanism detects that the material level in the storage hopper (4) is unchanged, then sends a filling signal to the control center, the control center receives the filling signal and then sends a keep-open signal to the upper valve (5), the control center receives the arrival signal of the first bin surface transfer car (8), then sends a signal to the lower valve (6), the lower valve (6) is opened, the first bin surface transfer car (8) is filled with concrete, and the material level detection mechanism detects that the material level in the storage hopper (4) is unchanged, the control center sends a keep-open signal to the upper valve (5) and then closes when the material level detection mechanism (6) is closed, and the subsequent bin surface transfer car (8) sequentially receives materials below the lower valve (6) under the indication of the control center signal, and the subsequent concrete transport car (7) sequentially discharges materials into the storage hopper (4) under the indication of the control center signal, so that the full-material state of the pipeline (3) is maintained in the discharging process.
2. Roller compacted concrete delivery system according to claim 1, characterized in that the pipe (3) is provided with air holes (31).
3. Roller compacted concrete delivery system according to claim 2, characterized in that the air hole (31) is provided with an access valve which is in information connection with a control centre.
4. Roller compacted concrete delivery system according to claim 1, characterized in that the pipeline (3) and the storage hopper (4) are provided with vibrators (9), the vibrators (9) being in signal connection with a control center.
5. Roller compacted concrete delivery system according to any one of claims 1 to 4, characterized in that the upper discharge platform (1) is provided with a stop mechanism (11) for blocking the concrete truck (7) in a position close to the storage hopper (4).
6. Roller compacted concrete delivery system according to any one of claims 1 to 4, characterized in that the upper valve (5) is a butterfly arc door.
7. Roller compacted concrete delivery system according to any one of claims 1 to 4, characterized in that the material detection means are provided on the feed side of the storage hopper (4) or on the concrete truck (7).
8. Roller compacted concrete delivery system according to any one of claims 1 to 4, characterized in that the pipe (3) is fixed to the sloping wall between the upper discharge platform (1) and the lower receiving platform (2) by means of a support structure (10).
9. Roller compacted concrete delivery method, characterized in that it is carried out with a roller compacted concrete delivery system according to any one of claims 1 to 8, comprising the steps of: s1, a control center sends out closing signals to an upper valve (5) and a lower valve (6) to close the upper valve (5) and the lower valve (6); S2, the control center sends out a bin opening signal to a first concrete transport vehicle (7) and a first bin surface transfer vehicle (8), the first concrete transport vehicle (7) receives the bin opening signal and then reaches the upper discharging platform (1) and discharges concrete into the storage hopper (4), and the first bin surface transfer vehicle (8) receives the bin opening signal and then reaches the lower receiving platform (2) and is positioned below the lower valve (6); S3, after the material detection mechanism detects that the unloading of the concrete in the first concrete truck (7) is completed, a unloading completion signal is sent to the control center, after the control center receives the unloading completion signal, an opening signal is sent to the upper valve (5), the upper valve (5) is opened, the pipeline (3) is filled with the concrete, and a unloading completion signal is sent to the first concrete truck (7) and a unloading preparation signal is sent to the second concrete truck (7); S4, after the material level detection mechanism detects that the material level in the storage hopper (4) is unchanged, sending a filling signal in the pipeline (3) to the control center, sending a keep-open signal to the upper valve (5) after the control center receives the filling signal, so that the upper valve (5) is kept open, sending an open signal to the lower valve (6) after the control center receives a in-place signal of the first bin surface transfer car (8), and opening the lower valve (6) to discharge the material to the first bin surface transfer car (8) below; S5, when the material level detection mechanism detects that the material level in the storage hopper (4) descends by a preset amount, the control center sends a closing signal to the lower valve (6), closes the lower valve (6), sends a material receiving completion signal to the first bin surface transfer vehicle (8) and sends a material receiving preparation signal to the second bin surface transfer vehicle (8); s6, the subsequent bin surface transfer trolley (8) sequentially receives materials below the lower valve (6) under the indication of a control center signal, and the subsequent sequential concrete transport trolley (7) sequentially discharges materials into the storage hopper (4) under the indication of the control center signal, so that the pipeline (3) is kept in a full material state in the discharging process.
10. The roller compacted concrete conveying method according to claim 9, wherein in the discharging process of opening the lower valve (6), the material level detecting mechanism detects that the material level in the storage hopper (4) is reduced to zero, a feeding-free signal is sent to the control center, the control center sends a closing signal to the upper valve (5) after receiving the feeding-free signal, and the upper valve (5) is closed.

Description

Roller compacted concrete conveying system and method Technical Field The invention relates to the technical field of roller compacted concrete conveying, in particular to a roller compacted concrete conveying system and a roller compacted concrete conveying method. Background Roller compacted concrete is dry and hard concrete, is generally constructed continuously by adopting a thin layer through a warehouse, has simple and quick construction procedure, can use large-scale general machinery, and is mainly used for pouring mass concrete in hydraulic and hydroelectric engineering. Roller compacted concrete generally adopts pipe-line system to transport, specifically, sets up the pipeline between last platform and lower platform, and the concrete transportation vehicle of last platform pours the concrete into the pipeline from the upper end of pipeline in, and the storehouse face of lower platform changes the skip and receives the material at the lower extreme of pipeline, again transports construction storehouse face, has following not enoughly: 1) The concrete transportation vehicle and the bin surface transfer vehicle need to reach the upper end and the lower end of the pipeline at the same time, the material pouring and the material receiving need to be carried out at the same time, the coordination is troublesome, and the efficiency is low; 2) The conveying speed of the concrete in the pipeline is difficult to control, the concrete is difficult to discharge in a stable fluid state, the aggregate is separated more, the VC value loss is large, the quality of the concrete cannot be ensured, and meanwhile, the problems of pipe explosion and blockage easily occur during discharging; 3) Lack of automated management and overall inefficiency. Disclosure of Invention The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a roller compacted concrete conveying system and a roller compacted concrete conveying method which can ensure the quality, the good coordination, the high degree of automation and the high overall efficiency of concrete. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a roller compacted concrete conveying system, includes and goes up the platform of unloading, receives material platform and pipeline down, the pipeline is located and goes up between unloading platform and the lower material platform of receiving, go up and be equipped with the storage hopper on the platform of unloading, the upper end of pipeline is connected with the storage hopper through last valve, the lower extreme of pipeline is equipped with down the valve, be equipped with material level detection mechanism on the storage hopper, roller compacted concrete conveying system still includes concrete truck, storehouse face change skip, control center, is used for detecting the material detection mechanism of the interior material volume of concrete truck, material level detection mechanism, last valve, lower valve, concrete truck, storehouse face change skip and material detection mechanism all with control center information connection. As a further improvement of the above technical scheme: And the pipeline is provided with an air hole. And the air hole is provided with an inlet valve and an outlet valve which are in information connection with the control center. And the pipeline and the storage hopper are provided with vibrators which are connected with a control center through signals. And a limiting mechanism for blocking the concrete transport vehicle is arranged at the position of the loading and unloading platform, which is close to the storage hopper. The upper valve is a butterfly arc door. The material detection mechanism is arranged on the feeding side of the storage hopper or the concrete carrier. The pipeline is fixed on a slope wall between the upper discharging platform and the lower receiving platform through a supporting structure. The roller compacted concrete conveying method is carried out by adopting the roller compacted concrete conveying system and comprises the following steps of: s1, a control center sends a closing signal to an upper valve and a lower valve to close the upper valve and the lower valve; S2, the control center sends out a bin opening signal to the first concrete transport vehicle and the first bin surface transfer vehicle, the first concrete transport vehicle arrives at the upper discharging platform after receiving the bin opening signal and discharges concrete into the storage hopper, and the first bin surface transfer vehicle arrives at the lower receiving platform and is positioned below the lower valve after receiving the bin opening signal; S3, after the material detection mechanism detects that the unloading of the concrete in the first concrete truck is finished, a unloading finishing signal is sent to the control center, the control center sends an ope