A road rapid repair maintenance-free concrete conveying device

Abstract

The application provides a road rapid repair maintenance-free concrete conveying device, and belongs to the technical field of concrete conveying. The road rapid repair maintenance-free concrete conveying device comprises a mobile chassis for road rapid repair and a heat preservation gas circulating assembly installed on the mobile chassis, a storage bin for storing maintenance-free concrete is installed on the mobile chassis, a stirring assembly is installed on the storage bin, and a discharge pipeline is connected to the outlet end of the storage bin. The concrete conveying device of the application is characterized in that the storage bin is installed on the mobile chassis, the bottom of the storage bin is connected to the discharge pipeline, the first heat preservation sheath and the second heat preservation sheath are sleeved on the storage bin and the discharge pipeline, and the heat preservation gas circulating assembly is further installed on the mobile chassis. The heat preservation gas circulating assembly can deliver heated air into the first heat preservation sheath and the second heat preservation sheath, so as to achieve the purpose of heating and heat preservation of the storage bin and the discharge pipeline.

Description

Technical Field

[0001] This application relates to the field of concrete conveying, and more specifically, to a concrete conveying device for rapid road repair without maintenance. Background Technology

[0002] In road maintenance and emergency repair projects, fast-setting, high-strength concrete that requires no additional curing is often used to shorten traffic closure time. These materials set quickly, placing extremely high demands on the efficiency and continuity of the conveying equipment.

[0003] In road maintenance and repair operations, ambient temperature has a decisive impact on repair quality, especially in northern regions or during winter construction. Low temperatures can severely hinder the hydration reaction of cement, leading to slow or even halted concrete strength development, poor bonding between new and old concrete, and in more serious cases, the expansion of free water in the concrete upon freezing can damage its internal structure, causing permanent damage. To address this, we have proposed a rapid road repair and maintenance-free concrete conveying device. Utility Model Content

[0004] To overcome the above shortcomings, this application provides a road rapid repair maintenance-free concrete conveying device, which aims to improve the problem of low concrete temperature in small-scale road repairs under low-temperature environments.

[0005] This application provides a road rapid repair maintenance-free concrete conveying device, including a mobile chassis for rapid road repair and a heat-insulating gas circulation assembly installed on the mobile chassis.

[0006] The mobile chassis is equipped with a storage silo for storing curing-free concrete. A mixing assembly is installed on the storage silo. A discharge pipe is connected to the outlet of the storage silo. A first insulation sleeve and a second insulation sleeve are respectively fitted on the storage silo and the discharge pipe. The insulation gas circulation assembly is connected to the first insulation sleeve and the second insulation sleeve.

[0007] In one specific implementation, the heat-insulating gas circulation assembly includes a heating box and a gas supply main pipe. Both the heating box and the gas supply main pipe are mounted on the mobile chassis. An electric heating plate is installed inside the heating box, and an airflow circulation assembly is installed on the gas supply main pipe. The air inlet ends of the first heat-insulating sleeve and the second heat-insulating sleeve are both connected to the gas supply main pipe, and their air outlet ends are both connected to the heating box. The heating box is connected to the gas supply main pipe.

[0008] In one specific implementation, the airflow circulation assembly includes a first motor mounted on the main gas supply pipe, the first motor drive shaft being connected to a rotating shaft, the rotating shaft rotating through the top of the main gas supply pipe, and a fan blade being mounted at one end of the rotating shaft.

[0009] In one specific implementation, a first spiral channel is provided between the first insulation sleeve and the storage silo. The inlet and outlet ends of the first spiral channel are respectively connected to pipe one and pipe two. Pipe one is connected to the gas transmission main pipe, and pipe two is connected to the heating box.

[0010] In one specific implementation, a second spiral channel is provided between the second insulation sleeve and the discharge pipe. The inlet and outlet ends of the second spiral channel are respectively connected to pipe three and pipe four. Pipe three is connected to the gas transmission main pipe, and pipe four is connected to the heating box.

[0011] In one specific implementation, the stirring assembly includes a second motor and a stirring rod. The second motor is mounted on the top of the storage silo, and the stirring rod rotates through the top of the storage silo. The second motor drives the stirring rod.

[0012] In one specific implementation, the stirring rod has two independent airflow chambers, and the side walls of the two airflow chambers are connected to the same heating pipe. A diversion box is installed on the top of the storage bin, and the diversion box has two independently distributed diversion chambers. The top of the stirring rod rotates through the lower diversion chamber, and its top is located in the upper diversion chamber. One of the airflow chambers is connected to the lower diversion chamber, and the other airflow chamber is connected to the upper diversion chamber. A pipe five connects the lower diversion chamber to the heating box, and a pipe six connects the upper diversion chamber to the main gas supply pipe.

[0013] In one specific implementation, a spiral pusher assembly is installed inside the discharge pipe.

[0014] The beneficial effects of this application are as follows: The concrete conveying device of this application has a storage silo installed on a mobile chassis, with the bottom of the storage silo connected to a discharge pipe. A first and second insulation sleeve are fitted over the storage silo and the discharge pipe. Furthermore, an insulation gas circulation component is installed on the mobile chassis. This component delivers heated air to the first and second insulation sleeves to achieve heating and insulation of the storage silo and discharge pipe. Additionally, two independent airflow chambers are opened inside the mixing rod, and a diversion box is rotatably connected to the top of the mixing rod. Two independent diversion cavities are opened inside the diversion box, with the two airflow chambers connected to the two diversion cavities, which in turn are connected to the insulation gas circulation component. This allows heating from the center inside the storage silo to improve the insulation effect on the concrete. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a first-view structural schematic diagram of the road rapid repair and maintenance-free concrete conveying device provided in the embodiments of this application; Figure 2 A second-view structural schematic diagram of the road rapid repair and maintenance-free concrete conveying device provided for the embodiments of this application; Figure 3 A side sectional view of the road rapid repair and maintenance-free concrete conveying device provided for the embodiments of this application; Figure 4 A cross-sectional view of the mixing rod of the road rapid repair and maintenance-free concrete conveying device provided in this application embodiment; Figure 5 A cross-sectional schematic diagram of the gas transmission main pipe of the road rapid repair and maintenance-free concrete conveying device provided in the embodiments of this application; Figure 6 for Figure 3 A magnified view of a section at point A in the middle; Figure 7 for Figure 4 A magnified view of a section at point B in the middle.

[0017] In the diagram: 10-Mobile chassis; 20-Storage bin; 210-Diverter box; 220-Diverter chamber; 30-Stirring assembly; 310-Second motor; 320-Stirring rod; 330-Airflow chamber; 340-Heating tube; 40-Discharge pipe; 50-First insulation sleeve; 510-First spiral channel; 60-Second insulation sleeve; 610-Second spiral channel; 70-Insulated gas circulation assembly; 710-Heating box; 720-Gas main pipe; 730-Heating plate; 740-Airflow circulation assembly; 7410-First motor; 7420-Shaft; 7430-Fan blade. Detailed Implementation

[0018] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0019] Please see Figure 1-7This application provides a road rapid repair maintenance-free concrete conveying device, including a mobile chassis 10 for rapid road repair and an insulated gas circulation assembly 70 installed on the mobile chassis 10. Specifically, a control box is also installed on the mobile chassis 10 for controlling the insulated gas circulation assembly 70 and the mixing assembly 30. The mobile chassis 10 can be towed to facilitate being pulled to the construction site by engineering vehicles. Furthermore, a storage silo 20 for storing maintenance-free concrete is installed on the mobile chassis 10. When set up, the top of the storage silo 20 is connected to a feed hopper for pouring concrete into the storage silo 20. A mixing assembly is installed on the storage silo 20. The mixing assembly 30 and the outlet end of the storage silo 20 are connected to the discharge pipe 40. The storage silo 20 and the discharge pipe 40 are respectively fitted with a first insulation sleeve 50 and a second insulation sleeve 60. The insulation gas circulation assembly 70 is connected to the first insulation sleeve 50 and the second insulation sleeve 60. When performing small-scale road repairs in a low-temperature environment, the mixing assembly 30 and the insulation gas circulation assembly 70 are activated to allow insulation gas to flow through the first insulation sleeve 50 and the second insulation sleeve 60, thereby achieving the purpose of insulation for the storage silo 20 and the discharge pipe 40. Meanwhile, the mixing assembly 30 mixes the concrete in the storage silo 20 to prevent the concrete from setting.

[0020] In its specific configuration, the discharge pipe 40 includes a horizontal pipe and a vertical pipe. The vertical pipe is connected to the bottom of the storage silo 20 and to the horizontal pipe. A control valve is installed on the vertical pipe to discharge the concrete from the storage silo 20 into the horizontal pipe. Furthermore, a screw conveyor assembly is installed inside the discharge pipe 40. The screw conveyor assembly includes a third motor and a screw rod. The third motor is installed on the side wall of the horizontal pipe, while the screw rod is rotatably mounted inside the horizontal pipe. The drive shaft of the third motor is connected to the screw rod, causing the third motor to drive the screw rod to rotate inside the horizontal pipe, thereby pushing the concrete out of the horizontal pipe.

[0021] See Figure 1-5 The heat-insulating gas circulation assembly 70 includes a heating box 710 and a gas supply main pipe 720. Both the heating box 710 and the gas supply main pipe 720 are mounted on the mobile chassis 10. An electric heating plate 730 is installed inside the heating box 710. During installation, an inspection door can be opened on the heating box 710, which is correspondingly set with the electric heating plate 730 to facilitate the maintenance of the electric heating plate 730. An airflow circulation assembly 740 is installed on the gas supply main pipe 720. The air inlet ends of the first heat-insulating sleeve 50 and the second heat-insulating sleeve 60 are both connected to the gas supply main pipe 720, and their air outlet ends are both connected to the heating box 710. The heating box 710 is connected to the gas supply main pipe 720. Specifically, a pipe 7 connects the heating box 710 and the gas supply main pipe 720. The pipe 7 is located near the top of the heating box 710.

[0022] See Figure 1-5The airflow circulation assembly 740 includes a first motor 7410 mounted on the main gas pipe 720. The first motor 7410 has a drive shaft connected to a rotating shaft 7420. The rotating shaft 7420 rotates through the top of the main gas pipe 720, and a fan blade 7430 is mounted on one end of it. When set up, the fan blade 7430 is located below the pipe. The first motor 7410 drives the fan blade 7430 to rotate through the rotating shaft 7420, so that the air in the main gas pipe 720 flows downward, and the air in the heating box 710 enters the main gas pipe 720 through the pipe.

[0023] See Figure 3 , 4 6. A first spiral channel 510 is provided between the first insulation sleeve 50 and the storage silo 20. Specifically, the first insulation sleeve 50 and the storage silo 20 are fixedly connected to the same first spiral blade. The spiral blade and the first insulation sleeve 50 and the storage silo 20 form the first spiral channel 510. The inlet and outlet ends of the first spiral channel 510 are respectively connected to pipe one and pipe two. When set up, pipe one consists of two pipes. The two pipes are respectively connected to the gas transmission main pipe 720 and the inlet of the first spiral channel 510. The two pipes are connected to each other through a flange structure. At the same time, a valve is installed on one of the pipes. Pipe one is connected to the gas transmission main pipe 720, and pipe two is connected to the heating box 710. Similarly, pipe two also consists of two pipes. The two pipes are connected to each other through a flange structure. At the same time, a valve is installed on one of the pipes. The two pipes are respectively connected to the heating box 710 and the outlet end of the first spiral channel 510.

[0024] See Figure 4 and 6 A second spiral channel 610 is provided between the second insulation sleeve 60 and the discharge pipe 40. Similarly, the second insulation sleeve 60 and the discharge pipe 40 are fixedly connected to the same second spiral blade. The second spiral blade and the second insulation sleeve 60 and the discharge pipe 40 form a second spiral channel 610. The inlet end and outlet end of the second spiral channel 610 are respectively connected to pipe three and pipe four. Pipe three is connected to the gas transmission main pipe 720, and pipe four is connected to the heating box 710. Similarly, pipe three and pipe four are each composed of two pipes, which are connected by a flange, and a valve is installed on one of the pipes.

[0025] See Figure 3 , 47. The mixing assembly 30 includes a second motor 310 and a mixing rod 320. The second motor 310 is installed on the top of the storage silo 20. During installation, a pad is installed on the top of the storage silo 20, and the second motor 310 is mounted on the pad. The mixing rod 320 rotates through the top of the storage silo 20, and the second motor 310 drives the mixing rod 320. A mixing blade is installed on the mixing rod 320. The second motor 310 drives the mixing rod 320 to rotate within the storage silo 20 to mix the concrete within the storage silo 20. Furthermore, two independent airflow chambers 330 are formed within the mixing rod 320, and the side walls of the two airflow chambers 330 are connected by the same... A heating tube 340 is specifically installed through the bottom of the stirring rod 320. A diversion box 210 is installed on the top of the storage bin 20. The diversion box 210 has two independently distributed diversion chambers 220. The top of the stirring rod 320 rotates through the lower diversion chamber 220, and its top is located in the upper diversion chamber 220. One airflow chamber 330 is connected to the lower diversion chamber 220, and the other airflow chamber 330 is connected to the upper diversion chamber 220. A pipe five connects the lower diversion chamber 220 to the heating box 710, and a pipe six connects the upper diversion chamber 220 to the main gas supply pipe 720.

[0026] When this rapid road repair and maintenance-free concrete conveying device is in operation: For small-scale road repairs, the insulated gas circulation component 70 is first activated to preheat the storage silo 20 and discharge pipe 40. Then, concrete is fed into the storage silo 20 through the feed hopper, while the mixing component 30 mixes the concrete. The first and second insulation sleeves 50 and 60 insulate the storage silo 20 and discharge pipe 40. Afterwards, the mobile chassis 10 is towed to the work area by an engineering vehicle, aligning the outlet of the discharge pipe 40 with the road repair area, connecting the discharge pipe 40 to the storage silo 20. Simultaneously, the screw conveyor component is activated, allowing concrete from the storage silo 20 to enter the discharge pipe 40. The screw conveyor component then discharges the concrete from the outlet of the discharge pipe 40. Simultaneously, the mobile chassis 10 moves, discharging the concrete into the road trench for road repair.

[0027] It should be noted that the specific models and specifications of the second motor 310, the heating plate 730, and the first motor 7410 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0028] The power supply and operating principle of the second motor 310, the heating plate 730, and the first motor 7410 are clear to those skilled in the art and will not be described in detail here.

[0029] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application. It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

Claims

1. A road rapid repair and maintenance-free concrete conveying device, characterized in that, include A mobile chassis (10) for rapid road repair is provided, on which a storage silo (20) for storing curing-free concrete is installed. A mixing assembly (30) is installed on the storage silo (20). The outlet end of the storage silo (20) is connected to a discharge pipe (40). A first insulation sleeve (50) and a second insulation sleeve (60) are respectively fitted on the storage silo (20) and the discharge pipe (40). The heat-insulating gas circulation assembly (70) is installed on the mobile chassis (10) and is connected to the first heat-insulating sleeve (50) and the second heat-insulating sleeve (60).

2. The road rapid repair and maintenance-free concrete conveying device according to claim 1, characterized in that, The heat-insulating gas circulation assembly (70) includes a heating box (710) and a gas supply pipe (720). The heating box (710) and the gas supply pipe (720) are both installed on the mobile chassis (10). An electric heating plate (730) is installed inside the heating box (710). An airflow circulation assembly (740) is installed on the gas supply pipe (720). The air inlet ends of the first heat-insulating sleeve (50) and the second heat-insulating sleeve (60) are both connected to the gas supply pipe (720), and their air outlet ends are both connected to the heating box (710). The heating box (710) is connected to the gas supply pipe (720).

3. The road rapid repair and maintenance-free concrete conveying device according to claim 2, characterized in that, The airflow circulation assembly (740) includes a first motor (7410) mounted on the main air supply pipe (720). The first motor (7410) has a drive shaft connected to a rotating shaft (7420). The rotating shaft (7420) rotates through the top of the main air supply pipe (720), and a fan blade (7430) is mounted on one end of it.

4. The road rapid repair and maintenance-free concrete conveying device according to claim 2, characterized in that, A first spiral channel (510) is provided between the first insulation sleeve (50) and the storage bin (20). The inlet and outlet ends of the first spiral channel (510) are respectively connected to pipe one and pipe two. Pipe one is connected to the gas transmission main pipe (720), and pipe two is connected to the heating box (710).

5. A road rapid repair and maintenance-free concrete conveying device according to claim 2, characterized in that, A second spiral channel (610) is provided between the second insulation sleeve (60) and the discharge pipe (40). The inlet end and outlet end of the second spiral channel (610) are respectively connected to pipe three and pipe four. Pipe three is connected to the gas transmission main pipe (720), and pipe four is connected to the heating box (710).

6. A road rapid repair and maintenance-free concrete conveying device according to claim 2, characterized in that, The stirring assembly (30) includes a second motor (310) and a stirring rod (320). The second motor (310) is installed on the top of the storage silo (20), and the stirring rod (320) rotates through the top of the storage silo (20). The second motor (310) and the stirring rod (320) are driven together.

7. A road rapid repair and maintenance-free concrete conveying device according to claim 6, characterized in that, The stirring rod (320) has two independent airflow chambers (330), and the two airflow chambers (330) are connected to the same heating pipe (340) on their side walls. The storage bin (20) is equipped with a diversion box (210) on top. The diversion box (210) has two independently distributed diversion chambers (220) in the upper and lower parts. The top of the stirring rod (320) rotates through the lower diversion chamber (220), and its top is located in the upper diversion chamber (220). One of the airflow chambers (330) is connected to the lower diversion chamber (220), and the other airflow chamber (330) is connected to the upper diversion chamber (220). The lower diversion chamber (220) is connected to the heating box (710) by a pipe five, and the upper diversion chamber (220) is connected to the gas supply main pipe (720) by a pipe six.

8. The road rapid repair and maintenance-free concrete conveying device according to claim 1, characterized in that, A spiral pusher assembly is installed inside the discharge pipe (40).

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