Asphalt pavement regenerant feeding device

Abstract

The utility model discloses an asphalt pavement regenerant putting device, which relates to the technical field of road construction equipment and comprises a putting box, a rotary table with a plurality of metering cylinders is arranged in the putting box, the metering cylinders are communicated with a top feeding hole of the putting box through feeding pipes, a bottom feeding pipe is connected with a stop valve, and a bottom receiving hopper of the putting box corresponds to one feeding pipe. A gear pump, a hose and a fan-shaped nozzle are sequentially connected below a valve at the bottom of the storage cylinder and are used for spraying a regenerant. A gear motor is arranged at the top of the throwing box, a rotating shaft drives a rotary table to rotate to switch a metering cylinder, and a stabilizing ring outside the metering cylinder is matched with a stabilizing ring in the box to ensure stability. The device can accurately control the feeding amount of the regenerant, meet the requirements of different pavements, improve the resource utilization rate and the repairing effect, ensure the stability and continuity of material conveying and spraying, and is suitable for asphalt pavement regeneration engineering, and the road construction and maintenance quality is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction equipment technical field, concretely relates to a pitch pavement regenerative agent feeding device. BACKGROUND

[0002] Pitch pavement will appear aging, crack and other diseases after long-term use, and the use of regenerative agent can effectively restore the performance of pitch, prolong the service life of pavement, reduce maintenance cost, improve the durability and driving safety of road. This has important significance for the sustainable development of urban roads, highways and other transportation infrastructure. Whether it is a small municipal road maintenance project or a large highway renovation project, a reliable feeding device is needed to ensure the accurate application of regenerative agent.

[0003] The existing pitch pavement regenerative agent feeding device has obvious defects, one of the key problems is the unreasonable metering structure. The design of the existing single metering cylinder greatly limits the feeding speed. In terms of accuracy of metering, since there is only one metering cylinder for metering and discharging, it is impossible to realize rapid switching and accurate control of multiple different doses. After each metering and discharging is completed, time is spent for refilling and preparation, and continuous and efficient feeding operation cannot be realized, and if a single extremely large metering cylinder is used, it is difficult to control the feeding amount each time. In large road repair projects, the area of pavement to be treated is wide, and this inefficient feeding method will seriously slow down the construction progress and increase the construction period and cost.

[0004] The single metering cylinder also has hidden dangers in the stability and reliability of the equipment. Since all metering work is concentrated on one component, once the metering cylinder fails, such as blockage, leakage or inaccurate metering, the entire feeding device will not work normally and need to be stopped for maintenance, which will cause interruption of construction, reduce the continuity and stability of construction, affect the timely completion of the project, and also increase the maintenance cost and downtime loss of the equipment. SUMMARY

[0005] To solve the above problems, the utility model provides a pitch pavement regenerative agent feeding device, which comprises a feeding box, a support disc is fixed to the inner wall bottom of the feeding box, a turntable is rotatably connected to the support disc, a plurality of metering cylinders are installed on the top of the turntable in the circumferential direction, the distances between the metering cylinders and the center of the turntable are the same, a feeding pipe is connected to the bottom of the metering cylinder, a stop valve is connected to the lower end of the feeding pipe, a receiving hopper is installed on the bottom of the inner wall of the feeding box, the receiving hopper is directly below one of the feeding pipes, the bottom of the receiving hopper is connected to a through pipe extending to the lower side of the feeding box, a hose is arranged below the through pipe; a reduction motor is installed on the top of the inner wall of the feeding box, the output end of the reduction motor is connected to a rotating shaft, and the bottom of the rotating shaft is fixed to the shaft center of the turntable.

[0006] Furthermore, the bottom of the pipe is connected to a storage tank, the bottom of the storage tank is connected to a valve, a gear pump is connected below the valve, the output end of the gear pump is connected to a hose, and the other end of the hose is connected to a fan-shaped nozzle.

[0007] Furthermore, an outer casing is fixed to the bottom of the dispensing box, the storage tank is located inside the outer casing, and the gear pump is installed at the bottom of the outer casing.

[0008] Furthermore, the top of the metering cylinder is connected to a feed pipe, and the top of the feeding box has a feeding hole directly above each feed pipe.

[0009] Furthermore, a stabilizing ring is provided on the outer side of multiple measuring cylinders. The stabilizing ring is fixed to the multiple measuring cylinders to fix the multiple measuring cylinders into one piece. A stabilizing ring is fixed on the inner wall of the dispensing box. An inner ring groove is opened on the side wall of the stabilizing ring for the stabilizing ring to insert into. The stabilizing ring is rotatably connected to the stabilizing ring through the inner ring groove.

[0010] The beneficial effects of this utility model are as follows:

[0011] 1. Each metering cylinder can be pre-set with different metering values. Based on different road conditions and repair requirements, the turntable rotation is precisely controlled by a geared motor, allowing for rapid switching between different metering cylinders for dispensing, achieving precise and diverse metering of the recycling agent. In complex road repair projects, such as highways where different sections have varying degrees of road aging due to differences in traffic flow and climate conditions, this device can accurately dispense the appropriate amount of recycling agent for specific situations, improving repair effectiveness, reducing recycling agent waste, lowering costs, and ensuring uniform restoration and improvement of road surface performance.

[0012] 2. The design of multiple metering cylinders greatly improves dispensing efficiency. Once one metering cylinder has finished dispensing, the next prepared cylinder can quickly switch to the working position, enabling continuous dispensing operations without the need for refilling and preparation as with traditional single-cylinder equipment. In large-scale road construction and maintenance projects, this significantly accelerates construction progress, shortens the construction period, and improves project efficiency. For example, in the overall renovation of urban main roads, the efficient dispensing device can quickly complete the application of recycling agents to large areas of the road surface, reducing the time spent on traffic disruption, improving urban traffic efficiency, and simultaneously reducing construction costs and increasing economic benefits.

[0013] 3. It reduces the risk of the entire unit shutting down due to a single component failure. Even if one metering cylinder malfunctions, the others can continue to operate without affecting the overall dispensing process, while also providing more time for equipment maintenance and repair. The design of the stabilizing ring and stabilizing coil further enhances the stability of the metering cylinders, ensuring that they maintain accurate position and condition even in complex construction environments, guaranteeing that the accuracy of metering and dispensing remains unaffected. Attached Figure Description

[0014] Figure 1 It is internal structure schematic view of the utility model.

[0015] The reference signs are explained as follows: 1, feeding box; 2, supporting disc; 3, rotary table; 4, metering cylinder; 5, feeding pipe; 6, stop valve; 7, receiving hopper; 8, through pipe; 9, speed reducer motor; 10, rotating shaft; 11, storage cylinder; 12, valve; 13, gear pump; 14, hose; 15, fan-shaped nozzle; 16, mounting outer box; 17, feeding pipe; 18, stabilizing ring; 19, stabilizing ring. DETAILED DESCRIPTION

[0016] In the description of the utility model, it needs to explain, the orientation or position relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore it cannot be understood as the restriction of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0017] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the terms "installation", "connection", "connection" should be broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] The utility model will be further described below in conjunction with the drawings of the specification:

[0019] A kind of asphalt pavement regenerant feeding device, such as Figure 1As shown, the device includes a feeding box 1, a support plate 2 fixed at the bottom center of the inner wall of the feeding box 1, a turntable 3 rotatably connected to the support plate 2, multiple metering cylinders 4 circumferentially mounted on the top of the turntable 3, and feed pipes 17 connected to the top of the metering cylinders 4. Feeding holes are opened directly above each feed pipe 17 on the top of the feeding box 1. The distance between the centers of the multiple metering cylinders 4 and the turntable 3 is the same. A feeding pipe 5 is connected to the bottom of the metering cylinders 4, and a shut-off valve 6 is connected to the lower end of the feeding pipe 5. A receiving hopper 7 is installed at the bottom of the inner wall of the feeding box 1, and the receiving hopper 7 is located within one of the feeding pipes 5. Directly below, the bottom of the receiving hopper 7 is connected to a connecting pipe 8 extending to the bottom of the dispensing box 1. The bottom of the connecting pipe 8 is connected to a storage tank 11. The bottom of the storage tank 11 is connected to a valve 12. The valve 12 can be used to stop the spraying operation immediately during the spraying of the regenerator. A gear pump 13 is connected below the valve 12. The output end of the gear pump 13 is connected to a hose 14. The other end of the hose 14 is connected to a fan-shaped nozzle 15. An outer casing 16 is fixed to the bottom of the dispensing box 1. The storage tank 11 is located inside the outer casing 16. The gear pump 13 is installed at the bottom of the outer casing 16.

[0020] The dispensing box 1 provides protection and a foundation for the installation of various components; the support plate 2 and turntable 3 facilitate the rotation and switching of the metering cylinder 4. Multiple metering cylinders 4, together with the feed pipe 17 and the feeding hole, can store different dosages of regenerant to meet diverse application needs, such as road repair for different degrees of damage, thereby improving resource utilization and repair accuracy; the feed pipe 5 and the shut-off valve 6 control the discharge; the receiving hopper 7, the through pipe 8, and the storage cylinder 11 sequentially transfer materials; the valve 12, the gear pump 13, the hose 14, and the fan-shaped nozzle 15 form a spraying system that can stably output regenerant, ensure uniform and continuous spraying, improve construction efficiency and road repair quality, and is suitable for various asphalt pavement recycling projects.

[0021] like Figure 1 As shown, in this embodiment, a geared motor 9 is installed on the top of the inner wall of the feeding box 1. The output end of the geared motor 9 is connected to a rotating shaft 10. The bottom of the rotating shaft 10 is fixed to the axis of the turntable 3. By rotating the geared motor 9 at a fixed angle each time, the next metering cylinder 4 can be moved to the top of the receiving hopper 7 when feeding is required. A stabilizing ring 18 is provided on the outer side of the multiple metering cylinders 4. The stabilizing ring 18 is fixed to the multiple metering cylinders 4 to fix the multiple metering cylinders 4 into one piece. A stabilizing ring 19 is fixed on the inner wall of the feeding box 1. The side wall of the stabilizing ring 19 has an inner ring groove for the stabilizing ring 18 to be inserted. The stabilizing ring 18 is rotatably connected to the stabilizing ring 19 through the inner ring groove.

[0022] The speed reducer motor 9 drives the rotating shaft 10 to rotate the rotating table 3, so that each measuring cylinder 4 is accurately positioned above the receiving hopper 7, different doses are quickly switched, the flexibility and accuracy of the agent are improved, the construction process is accelerated, the stable ring 18 and the stable ring 19 cooperate to provide stable support for the measuring cylinder 4, the vibration, bump and other environmental factor interference are reduced, the displacement and looseness are prevented, the long-term stable operation of the equipment is ensured, the maintenance cost and downtime are reduced, the adaptability under complex construction conditions is enhanced, and the road maintenance and construction project are smoothly carried out.

[0023] The working principle of the utility model is as follows:

[0024] When working, first, the regenerant is added into each measuring cylinder 4 through the feeding hole at the top of the feeding box 1. The plurality of measuring cylinders 4 are evenly distributed along the circumference of the rotating table 3 and have the same distance from the center of the rotating table 3, so that the feeding conditions of each measuring cylinder 4 are consistent, and each measuring cylinder 4 can be preset to input different doses according to actual conditions.

[0025] When one measuring cylinder 4 is finished feeding, the speed reducer motor 9 at the top of the inner wall of the feeding box 1 is started when the regenerant needs to be fed at the next feeding point. The output end of the speed reducer motor 9 drives the rotating shaft 10 to rotate, and the rotating shaft 10 is fixed at the shaft center of the rotating table 3, so that the rotating table 3 rotates. The speed reducer motor 9 rotates by a fixed angle each time, so that the next measuring cylinder 4 filled with regenerant can be accurately moved to the exact above of the receiving hopper 7.

[0026] At this time, the stop valve 6 on the feeding pipe 5 at the bottom of the measuring cylinder 4 is opened, and the regenerant flows into the receiving hopper 7 under the action of gravity. After the receiving hopper 7 collects the regenerant, the regenerant is transported to the storage cylinder 11 through the bottom pipe 8, then the valve 12 and the gear pump 13 at the bottom of the storage cylinder 11 are opened. The gear pump 13 starts to work, extracts the regenerant in the storage cylinder 11 and transports it to the fan-shaped nozzle 15 through the hose 14. The fan-shaped nozzle 15 uniformly sprays the regenerant on the asphalt pavement in a fan-shaped spraying mode, realizes accurate feeding and efficient coverage of the regenerant. When temporary feeding is needed, the feeding can be stopped immediately by closing the stop valve 6 and the valve 12.

[0027] During the whole process, the stable ring 18 outside the plurality of measuring cylinders 4 cooperates with the stable ring 19 on the inner wall of the feeding box 1. The stable ring 18 is inserted into the inner ring groove in the side wall of the stable ring 19 and is fixed with the plurality of measuring cylinders 4 as a whole, so as to ensure the stability of the measuring cylinder 4 during the rotation of the rotating table 3.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An asphalt pavement recycling agent dispensing device, comprising a dispensing box (1), characterized in that: The bottom of the inner wall of the feeding box (1) is fixed with a support plate (2). A turntable (3) is rotatably connected to the support plate (2). Multiple metering cylinders (4) are installed on the top of the turntable (3) along the circumference. The distance between the multiple metering cylinders (4) and the center of the turntable (3) is the same. The bottom of the metering cylinder (4) is connected to a feeding pipe (5). The lower end of the feeding pipe (5) is connected to a shut-off valve (6). A receiving hopper (7) is installed at the bottom of the inner wall of the feeding box (1). The receiving hopper (7) is located directly below one of the feeding pipes (5). The bottom of the receiving hopper (7) is connected to a through pipe (8) extending to the bottom of the feeding box (1). A flexible hose (14) is installed below the through pipe (8). A reduction motor (9) is installed at the top of the inner wall of the feeding box (1). The output end of the reduction motor (9) is connected to a rotating shaft (10). The bottom of the rotating shaft (10) is fixed to the axis of the turntable (3).

2. The asphalt pavement recycling agent dispensing device according to claim 1, characterized in that: The bottom of the pipe (8) is connected to the storage tank (11), the bottom of the storage tank (11) is connected to the valve (12), the bottom of the valve (12) is connected to the gear pump (13), the output end of the gear pump (13) is connected to the hose (14), and the other end of the hose (14) is connected to the fan-shaped nozzle (15).

3. The asphalt pavement recycling agent dispensing device according to claim 2, characterized in that: The bottom of the delivery box (1) is fixed with an outer casing (16), the storage tank (11) is located inside the outer casing (16), and the gear pump (13) is installed at the bottom of the outer casing (16).

4. The asphalt pavement recycling agent dispensing device according to claim 1, characterized in that: The top of the metering cylinder (4) is connected to the feed pipe (17), and the top of the feeding box (1) is provided with feeding holes directly above each feed pipe (17).

5. The asphalt pavement recycling agent dispensing device according to claim 1, characterized in that: A stabilizing ring (18) is provided on the outer side of the multiple measuring cylinders (4). The stabilizing ring (18) is fixed to the multiple measuring cylinders (4) to fix the multiple measuring cylinders (4) into one piece. A stabilizing ring (19) is fixed on the inner wall of the dispensing box (1). An inner ring groove is opened on the side wall of the stabilizing ring (19) for the stabilizing ring (18) to be inserted. The stabilizing ring (18) is rotatably connected to the stabilizing ring (19) through the inner ring groove.

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