A synchronous seal layer spreader integrating pre-mixed gravel production function

By integrating pre-mixed aggregate production functions into the synchronous sealing sprayer, the synchronous mixing and preheating of asphalt and aggregate is achieved, solving the problems of low efficiency and poor quality of traditional equipment in low-temperature environments, and realizing efficient and energy-saving sealing construction.

CN224494804UActive Publication Date: 2026-07-14广东省路桥建设发展有限公司 +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
广东省路桥建设发展有限公司
Filing Date
2025-08-19
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional seal coat sprayers have limited functionality and cannot complete the heating and pretreatment of asphalt-aggregate inside the vehicle. This results in low construction efficiency and poor quality in low-temperature environments, and the aggregate is consumed quickly, requiring frequent replenishment, which affects construction efficiency and cost.

Method used

The synchronous seal coat sprayer, which integrates premixed aggregate production functions, includes a heated hopper, a mixing structure, an asphalt hopper, and a temperature control module. It achieves synchronous mixing and preheating of asphalt and aggregate, ensures uniform mixing through infrared radiation heating plates and mixing blades, and enables continuous construction by combining with a dynamic supply system.

Benefits of technology

It significantly shortens construction time in low-temperature environments, improves sealing quality and construction efficiency, reduces energy waste, and adapts to construction needs in complex scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a synchronous seal layer spreader of integrated premixing gravel production function belongs to material handling technical field, including heating bunker, its location spreader's car hopper, and become semicircular pot like structure, its inside is used for placing gravel, and the bottom side of heating bunker still is equipped with the discharge gate, is equipped with the discharge baffle through hinged in the discharge gate, stirring structure, its location heating bunker is used for stirring mixture to material in heating bunker, pitch bunker, its location heating bunker side, its inside is used for storing pitch, pitch bunker and heating bunker still are connected with the feeding pipeline for pitch circulation, gravel temperature control module, its connection heating bunker is used for heating the heating bunker to the temperature rise, the utility model discloses can through temperature control module to the stone of spreader on preheating, thereby avoids producing the segregation phenomenon, and then promotes the scattering quality.
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Description

Technical Field

[0001] This utility model relates to the field of material handling equipment technology, specifically to a synchronous sealing sprayer that integrates premixed crushed stone production function. Background Technology

[0002] In current road maintenance projects, chip seal technology has been widely used due to its advantages such as low cost and rapid construction. However, traditional chip seal sprayers have revealed many technical defects in practical applications, which seriously restrict construction efficiency and project quality, especially in special environments such as high-grade highway maintenance, high-altitude projects, and projects in low-temperature winter conditions.

[0003] Firstly, existing asphalt seal coat sprayers have relatively limited functionality, only possessing basic functions of asphalt spraying and aggregate spreading. They cannot complete critical pretreatment processes such as asphalt-aggregate heating and material mixing within the vehicle. This results in significantly prolonged curing time during winter or low-temperature environments. Furthermore, due to the lack of an internal heating mechanism, they must heavily rely on external mixing plants for production. This not only causes performance loss during transportation but also easily leads to temperature segregation, severely affecting the quality of the seal coat.

[0004] Secondly, during the construction process of traditional non-premixed aggregate seal trucks, the rate of aggregate consumption is often faster than that of emulsified asphalt. However, due to the limited volume of the aggregate bins, the construction team has to frequently replenish the aggregate on-site, a cumbersome operation that greatly reduces construction efficiency and increases time and labor costs.

[0005] Therefore, the development of a synchronous sealing sprayer that integrates premixed aggregate production is particularly urgent. This new equipment achieves integrated operation of asphalt insulation, aggregate preheating, precise mixing, and dynamic replenishment through a mobile platform, fundamentally solving the problems of lengthy procedures, difficult temperature control, and resource waste associated with traditional equipment. It is of great significance for improving the construction efficiency and quality of road maintenance projects. Utility Model Content

[0006] In view of this, the present invention provides a synchronous sealing sprayer that integrates premixed crushed stone production function. The present invention can preheat the stone on the sprayer through a temperature control module, thereby avoiding segregation and improving the spraying quality.

[0007] To solve the above-mentioned technical problems, this utility model provides a synchronous sealing sprayer with integrated premixed crushed stone production function, including a heating hopper located on the truck bed of the sprayer and having a semi-circular pot-shaped structure, which is used to hold crushed stone. The bottom side of the heating hopper is also provided with a discharge port, and a discharge baffle is provided at the discharge port by hinge, so that the material in the heating hopper can be discharged through the discharge port.

[0008] The stirring structure, located inside the heated hopper, is used to stir and mix the materials.

[0009] The asphalt silo is located on the side of the heated silo and is used to store asphalt. A feeding pipe is also connected between the asphalt silo and the heated silo for the flow of asphalt.

[0010] The crushed stone temperature control module is connected to the heating hopper to raise the temperature of the heating hopper, thereby indirectly heating the material inside the heating hopper.

[0011] The asphalt silo is also equipped with an asphalt temperature control module for heating the asphalt.

[0012] Both the asphalt temperature control module and the crushed stone temperature control module use infrared radiation heating plates.

[0013] The stirring structure includes a stirring rod that is rotatably installed in the heating hopper, and a spiral stirring blade at the end of the stirring rod. The rotation of the stirring blade can cause the material to tumble in the heating hopper.

[0014] The top of the mixing chamber is also equipped with a control console, and the end of the mixing rod is rotatably connected to the control console, which can control the rotation of the mixing rod.

[0015] The asphalt silo is fixed on the truck bed of the distributor, and a weighing module is also fixed on the truck bed. The heated silo is fixed on the upper surface of the weighing module. The weighing module can weigh the heated silo to control the amount of material discharged.

[0016] The truck bed of the sprayer is also equipped with a fixed hopper, and an inclined auger conveyor is installed in the fixed hopper. The end of the auger conveyor away from the fixed hopper is located above the top opening of the heating hopper. The material in the fixed hopper can be transported to the heating hopper by the auger conveyor.

[0017] The truck bed is also equipped with a spiral feeder, and the feed inlet of the spiral feeder is located at the discharge outlet of the heated silo.

[0018] The truck bed of the sprayer is also equipped with a liquid tank, which is connected to a conveying pipe. The end of the conveying pipe is located at the rear of the sprayer and is connected to an emulsion nozzle.

[0019] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0020] 1. Process integration and temperature control optimization:

[0021] By integrating the heating silo with the crushed stone temperature control module, in-situ preheating of the crushed stone and simultaneous mixing of asphalt and crushed stone are achieved, avoiding the performance loss and temperature segregation problems caused by the reliance on external mixing plants for production and transportation in traditional equipment. The infrared radiation heating plate directly heats the silo, and the tumbling action of the spiral mixing blades ensures that the material is heated evenly, significantly shortening the curing time in low-temperature environments and improving the bonding strength and durability of the seal coat.

[0022] 2. Dynamic replenishment and efficiency improvement:

[0023] The combined design of the fixed hopper and auger conveyor enables automatic and continuous replenishment of crushed stone, solving the problem of frequent manual replenishment required by traditional equipment due to the limited capacity of the crushed stone hopper. The weighing module precisely controls the discharge rate of the heated hopper, and combined with the synchronous operation of the auger spreader and emulsion nozzles, it enables dynamic matching of crushed stone spreading and asphalt spraying, reducing equipment downtime and improving construction efficiency.

[0024] 3. Energy conservation and green construction:

[0025] The asphalt silo has a built-in asphalt temperature control module that works in conjunction with the aggregate heating system, avoiding the energy waste of repeated asphalt heating by the spreader and mixing plant in traditional equipment. The high-efficiency heat transfer characteristics of the infrared radiation heating plate further reduce energy consumption, meeting the engineering requirements for energy conservation and emission reduction, and is especially suitable for high-energy-consuming construction scenarios such as high altitudes and low temperatures in winter.

[0026] 4. Uniformity and quality assurance:

[0027] The forced mixing structure, consisting of the mixing rod and the spiral mixing blades, ensures thorough mixing of asphalt and aggregate within the heated hopper, resolving the issue of poor seal uniformity caused by material stratification in traditional non-premixed equipment. The spiral distributor, through direct connection between the inlet and outlet of the heated hopper, achieves continuous and uniform distribution of aggregate. Combined with precise spraying from the emulsion nozzles, this significantly improves the overall density and waterproofing performance of the seal structure.

[0028] 5. Adaptability and Scenario Expansion:

[0029] The integrated design enables the equipment to simultaneously perform material pretreatment, mixing, transportation, and spreading functions, allowing it to independently complete the entire process of chip seal construction. This feature gives it significant advantages in complex scenarios such as high-grade highway maintenance, high-altitude permafrost regions, and winter low-temperature projects, breaking through the dependence of traditional equipment on external conditions and expanding the application boundaries of chip seal technology. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a synchronous sealing sprayer that integrates premixed crushed stone production function according to this utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the heating hopper of this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Heated silo; 2. Discharge port; 3. Asphalt silo; 4. Crushed stone temperature control module; 5. Asphalt temperature control module; 6. Mixing rod; 7. Mixing blade; 8. Control console; 9. Weighing module; 10. Fixed silo; 11. Screw conveyor; 12. Spiral distributor; 13. Liquid silo; 14. Conveying pipe; 15. Emulsion nozzle. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-2 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0035] This embodiment provides a synchronous sealing sprayer that integrates premixed crushed stone production functions, such as... Figure 1 , 2 As shown: It includes a heated material bin 1 installed on the truck bed of the sprayer. The heated material bin 1 is used to hold stone and asphalt. The heated material bin 1 has a hemispherical bowl-shaped structure and is equipped with a stirring structure. The stirring structure can be used to mix stone and asphalt. The heated material bin 1 is also equipped with a crushed stone temperature control module 4. The crushed stone temperature control module 4 is an infrared radiation heating plate installed on the inner wall of the heated material bin 1. The infrared radiation heating plate can heat the material in the heated material bin 1 when it is being mixed. The bottom side of the heated material bin 1 has a discharge port 2. Corresponding to the discharge port 2, a discharge baffle is installed on the heated material bin 1 by hinge. That is, rotating the discharge baffle can make the material in the heated material bin 1 be discharged through the discharge port 2.

[0036] The rear of the truck bed of the spreader is also fixedly equipped with a spiral spreader 12. The inlet of the spiral spreader 12 is located at the outlet 2 of the heating silo 1, so that the material discharged from the outlet 2 of the heating silo 1 can enter the spiral spreader 12 through the inlet of the spiral spreader 12, thereby spreading the mixed and heated material.

[0037] Specifically, the mixing structure is a control console 8 set on top of the heating silo 1. The control console 8 is vertically rotatable and equipped with a mixing rod 6. The mixing rod 6 is equipped with a spiral mixing blade 7. The mixing rod 6 can drive the mixing blade 7 to rotate, thereby mixing the stone and asphalt in the heating silo.

[0038] Furthermore, the heating hopper 1 is fixed to the truck bed by a weighing module 9, which is located at the bottom of the heating hopper 1. In this way, the weighing module 9 can weigh the heating hopper 1, thereby accurately controlling the discharge or feed rate of the heating hopper 1.

[0039] Preferably, the truck bed is also equipped with an asphalt silo 3, which is located on the side of the heated silo 1. It is used to store asphalt. The asphalt silo 3 is also connected to a feeding pipe, and the other end of the feeding pipe is connected to the heated silo 1, so that the asphalt in the asphalt silo 3 can be transported into the heated silo 1 through the feeding pipe.

[0040] Meanwhile, the asphalt silo 3 is also equipped with an asphalt heating module, which is an infrared radiation heating plate installed on the inner wall of the asphalt silo 3. That is, the asphalt can be preheated through the infrared radiation heating plate.

[0041] Furthermore, the truck bed of the distributor is also equipped with a fixed hopper 10, which is used to store stones for replenishing the stones in the heated hopper 1 from time to time. The fixed hopper 10 is also equipped with an inclined spiral distributor 12. One end of the spiral distributor 12 is located at the bottom of the fixed hopper 10, and the other end is located above the feed inlet of the heated hopper 1. That is, when the spiral distributor 12 is working, it can move the stones in the fixed hopper 10 into the heated hopper 1 at a uniform speed.

[0042] Correspondingly, the truck bed of the sprayer is also equipped with a liquid material tank 13, and a conveying pipe 14 is connected to the liquid material tank 13. The liquid material in the liquid material tank 13 can enter the conveying pipe 14. The end of the conveying pipe 14 is located at the rear of the sprayer and is connected to an emulsion nozzle 15, that is, the liquid material can be easily spread through the emulsion nozzle 15.

[0043] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A synchronous sealing sprayer vehicle integrating premixed crushed stone production function, characterized in that: include; The heating hopper (1) is located on the truck bed of the sprayer and has a semi-circular pot-shaped structure. It is used to place crushed stone inside. The bottom side of the heating hopper (1) is also provided with a discharge port (2). A discharge baffle is provided at the discharge port (2) by hinge. A stirring structure is located inside the heating silo (1) for stirring and mixing materials; The crushed stone temperature control module (4) is connected to the heating silo (1) and is used to heat the heating silo (1).

2. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 1, characterized in that: It also includes an asphalt silo (3), which is located on the side of the heating silo (1) and is used to store asphalt. A feeding pipe is also connected between the asphalt silo (3) and the heating silo (1) for asphalt circulation.

3. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 2, characterized in that: The asphalt silo (3) is also equipped with an asphalt temperature control module (5) for heating the asphalt.

4. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 3, characterized in that: Both the asphalt temperature control module (5) and the crushed stone temperature control module (4) are infrared radiation heating plates.

5. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 1, characterized in that: The stirring structure includes a stirring rod (6) that is rotatably disposed in the heating hopper (1), and the end of the stirring rod (6) is provided with a spiral stirring blade (7).

6. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 5, characterized in that: The top of the mixing chamber is also equipped with an industrial control console (8), and the end of the mixing rod (6) is rotatably connected to the industrial control console (8).

7. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 2, characterized in that: The asphalt silo (3) is fixed on the bucket of the sprayer, and a weighing module (9) is also fixed on the bucket. The heating silo (1) is fixed on the upper surface of the weighing module (9).

8. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 1, characterized in that: The sprayer is also equipped with a fixed hopper (10) in the truck bed. An auger conveyor (11) is inclined inside the fixed hopper (10). The end of the auger conveyor (11) away from the fixed hopper (10) is located above the top opening of the heating hopper (1).

9. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 1, characterized in that: The truck bed of the sprayer is also equipped with a spiral feeder (12), and the feed inlet of the spiral feeder (12) is located at the discharge outlet (2) of the heated silo (1).

10. The synchronous sealing sprayer with integrated pre-mixed crushed stone production function as described in claim 1, characterized in that: The sprayer truck is also equipped with a liquid tank (13) on its truck bed. The liquid tank (13) is connected to a conveying pipe (14). The end of the conveying pipe (14) is located at the rear of the sprayer truck and is equipped with an emulsion nozzle (15).