Asphalt paving edge protecting and shaping device
By combining support frames, protective plates, and shaping plates, the problem of asphalt paving edge flow was solved, improving edge neatness and density, adaptability, and durability, thereby enhancing the quality and efficiency of road construction.
Patent Information
- Application Number
- CN202520319902.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing asphalt pavers are prone to lateral flow of the mixture at the edges, resulting in uneven and irregular edges, which affects road quality and service life. Furthermore, existing protective devices lack shaping functions, have poor adjustability, and are not durable enough.
A device comprising a support frame, a protective plate, a shaping plate, and an adjustment mechanism is designed. The support frame is connected to the screed of the paver, the protective plate restricts the flow of the mixture, the shaping plate compacts the edges, and the adjustment mechanism adjusts the height and angle of the protective plate. It has a wear-resistant layer, a heating function, and an anti-stick coating, which improves the flexibility and durability of the device.
It effectively prevents lateral flow of the mixture, improves the neatness and density of the paving edges, adapts to different working conditions, extends the service life of the equipment, and improves the accuracy and efficiency of paving operations.
Smart Images

Figure CN223907292U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road construction equipment field, concretely is a kind of asphalt paving edge protection and shaping device. BACKGROUND
[0002] Asphalt paving operation is one of the key processes in road construction, its main task is to uniformly lay hot mix asphalt mixture on the road base, and ensure that the paving surface is flat and dense. However, during paving, especially at the edge of the paving machine, asphalt mixture is prone to lateral flow. Such lateral flow can cause uneven edges and uneven paving, which can affect the quality and service life of the road. In the prior art, many paving machines have simple design of ironing plate, and cannot effectively control the shape of paving edge and the compactness of mixture in edge area.
[0003] To overcome this problem, some protective devices are designed to limit the flow of asphalt at the paving edge to prevent mixture from scattering or accumulating, but these protective devices mostly lack sufficient shaping function and are difficult to meet the needs of complex working conditions. In addition, the existing protective devices usually adopt rigid structure, which is difficult to adjust flexibly according to different working conditions, and is prone to wear and tear during actual use, resulting in short service life of the device.
[0004] Therefore, it has become a problem to be solved in the current technology to develop an edge protection and shaping device that can effectively prevent asphalt paving edge mixture flow, while having good shaping function, adjustability and durability. By optimizing the design of existing paving equipment, the accuracy of paving operation can be improved, the service life of the equipment can be prolonged, and ultimately the quality and efficiency of road construction can be improved. SUMMARY
[0005] To solve the above problems, the utility model provides an asphalt paving edge protection and shaping device, which can effectively prevent asphalt mixture from flowing laterally, improve the neatness and compactness of the paving edge, and has high adjustability and durability, suitable for various asphalt paving projects.
[0006] Based on one main aspect of the utility model, an asphalt paving edge protection and shaping device is provided, comprising:
[0007] The support frame is used for detachable connection with the side of the ironing plate of the paving machine;
[0008] The support frame is the basic support structure of the whole device, which can be connected with the side of the ironing plate of the paving machine through bolt assembly, so as to ensure the stable installation of the device. The design of the support frame makes the device compatible with the paving machine, easy to install and detach.
[0009] The guard plate is vertically arranged outside the support frame, and the inner side is attached to the side of the paving machine screed, which is used to limit the lateral flow of asphalt mixture.
[0010] The guard plate is vertically arranged outside the support frame, and the inner side is attached to the side of the paving machine screed, which is used to limit the lateral flow of asphalt mixture.
[0011] The shaping plate is obliquely connected to the bottom outside of the guard plate, and forms an acute angle with the guard plate, which is used to compact and shape the edge of asphalt paving; the bottom surface of the shaping plate is arc-shaped structure, and is coated with a non-stick coating, which effectively prevents asphalt adhesion and ensures smooth operation of the device.
[0012] The adjusting mechanism is arranged between the support frame and the guard plate, which is used to adjust the height and inclination angle of the guard plate.
[0013] The adjusting mechanism is arranged between the support frame and the guard plate, which can flexibly adjust the height and inclination angle of the guard plate to adapt to the paving requirements under different working conditions. The adjusting mechanism includes a screw adjusting assembly and a sliding groove, one end of the screw adjusting assembly is hinged to the support frame, the other end passes through the sliding groove and is fixed by a locking nut, so as to accurately adjust the position of the guard plate. In order to improve the accuracy and flexibility of adjustment, the screw adjusting assembly is also connected to the guard plate through an adjustable connecting piece.
[0014] In some embodiments, as a further preferred solution, the inner surface of the guard plate is provided with a wear-resistant layer.
[0015] In some embodiments, as a further preferred solution, the bottom surface of the shaping plate is arc-shaped structure, and the surface is provided with a non-stick coating.
[0016] In some embodiments, as a further preferred solution, the adjusting mechanism includes at least one set of screw adjusting assembly and sliding groove, one end of the screw adjusting assembly is hinged to the support frame, the other end passes through the sliding groove and is fixed by a locking nut.
[0017] In some embodiments, as a further preferred solution, the screw adjusting assembly is connected to the guard plate through an adjustable connecting piece.
[0018] In some embodiments, as a further preferred solution, the support frame is connected to the paving machine screed through a bolt assembly.
[0019] In some embodiments, as a further preferred solution, the inside of the shaping plate is embedded with a heating element, which is a resistance wire or a heat-conducting oil pipeline. The heating element ensures that the asphalt mixture does not cool down and harden prematurely in a low-temperature environment. The heating element can take the form of a resistance wire or a heat-conducting oil pipeline to maintain the appropriate temperature of the shaping plate and prevent construction difficulties caused by asphalt cooling.
[0020] The advantages and beneficial effects of the present utility model are as follows:
[0021] The asphalt paving edge protection and shaping device can effectively prevent the flow of asphalt mixture at the paving edge, improve the neatness and compactness of the paving edge, and avoid irregularities at the edge during paving. Through the design of the adjusting mechanism, the device can adapt to different paving conditions, provide flexible adjustment function, and ensure that the protection plate can maintain the best working state under different paving conditions. In addition, the wear-resistant design, heating function, and application of the anti-sticking coating of the protection plate and the shaping plate further improve the service life and working efficiency of the device.
[0022] The device has simple structure and convenient operation, can greatly improve the precision of paving operation, is suitable for paving engineering of various asphalt roads, and is particularly suitable for high-quality road engineering with high requirements for paving edges. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the present utility model.
[0024] Figure 1 is a structural schematic diagram of an embodiment of the present utility model.
[0025] Figure 2 is a connection structure schematic diagram of the protection plate and the shaping plate of an embodiment of the present utility model.
[0026] BRIEF DESCRIPTION OF DRAWINGS: 1-support frame, 101-bolt assembly, 2-protection plate, 201-wear-resistant layer, 3-shaping plate, 301-anti-sticking coating, 302-heating element, 4-adjusting mechanism, 401-screw adjusting assembly, 402-slotted guide, 403-locking nut, 404-adjustable connecting piece, 5-paver screed. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present application will be described in detail below, so as to make the purpose, characteristics and advantages of the present application more clearly understood. It should be understood that the following embodiments are not a limitation on the scope of the present application, but only to illustrate the essential spirit of the technical scheme of the present application.
[0028] In the following description, for the purpose of explaining various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of various disclosed embodiments. However, one skilled in the relevant arts will recognize that embodiments can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail in order to avoid obscuring the description of embodiments.
[0029] Reference throughout this specification to "an embodiment" or "the embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrase "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.
[0030] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.
[0031] Embodiment:
[0032] As shown in Figure 1 and Figure 2 , the asphalt paving edge protection and shaping device of the present application comprises: a support frame 1 is the main structure of the device of the present application, mainly responsible for connecting the entire device and the paving machine screed 5. The support frame 1 is provided with bolt assemblies 101, through which the support frame can be conveniently and detachably connected with the side of the paving machine screed 5.
[0033] The protection plate 2 is vertically arranged on the outer side of the support frame 1, and the inner side thereof is closely attached to the side of the paving machine screed 5. The main function of the protection plate 2 is to limit the lateral flow of asphalt mixture during paving, so as to ensure that the asphalt mixture can maintain a stable shape and size during paving. On the inner side surface of the protection plate 2, a wear-resistant layer 201 is arranged. The wear-resistant layer 201 can effectively reduce the wear between the protection plate 2 and the paving machine screed 5, prolong the service life of the device, and at the same time ensure the close attachment between the protection plate 2 and the screed.
[0034] The shaping plate 3 is connected to the bottom outer side of the protection plate 2, as shown in Figure 2The bottom surface of the shaping plate 3 is designed as an arc structure, and an anti-sticking coating 301 is arranged on the surface. This design enables the shaping plate 3 to effectively compact the asphalt mixture and shape the edge thereof during operation, so as to ensure the smoothness and neatness of the edge after paving. In addition, a heating element 302 is embedded in the inside of the shaping plate 3. The heating element 302 can be in the form of a resistance wire or a heat-conducting oil pipeline, and is used for heating the shaping plate 3. This function can prevent the asphalt from solidifying due to temperature reduction during shaping, so as to ensure good contact and operation effect between the shaping plate 3 and the asphalt mixture.
[0035] The adjusting mechanism 4 is located between the support frame 1 and the protection plate 2, and is used for adjusting the height and inclination angle of the protection plate 2. The adjusting mechanism 4 comprises at least one screw adjusting assembly 401, a sliding groove 402, a locking nut 403 and an adjustable connecting piece 404.
[0036] The screw adjusting assembly 401 is connected to the support frame 1 through a hinged manner at one end, and is fixed through the locking nut 403 after penetrating through the sliding groove 402 at the other end. The length of the screw adjusting assembly 401 can be adjusted according to requirements, so as to change the height and inclination angle of the protection plate 2.
[0037] The adjustable connecting piece 404 is used for connecting the adjusted screw adjusting assembly 401 and the protection plate 2, so that the protection plate 2 can be stably maintained at the preset position after adjustment.
[0038] Through the adjusting function of the adjusting mechanism 4, the operator can flexibly adjust the height and inclination angle of the protection plate 2 according to different paving requirements, so as to adapt to different paving environments and working requirements.
[0039] During paving operation, the device is installed on the side of the paving machine screed 5 through the support frame 1. The protection plate 2 is closely attached to the paving machine screed 5, and effectively limits the lateral flow of the asphalt mixture. At the same time, the shaping plate 3 is obliquely connected to the bottom outside of the protection plate 2, and compacts and shapes the edge of the asphalt paving through the acute angle formed with the protection plate 2, so as to ensure the smoothness and neatness of the paving edge. The working of the heating element 302 can prevent the asphalt from solidifying during shaping, and further improve the operation effect. Through the adjustment of the height and inclination angle of the protection plate 2 by the adjusting mechanism 4, the device can adapt to different paving requirements, and has good flexibility and adaptability.
[0040] The parts not described in the utility model are known to those skilled in the art.
[0041] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An edge protection and shaping device for asphalt paving, characterized in that, include: Support frame (1) is used for detachable connection with the side of the paver screed (5); The protective plate (2) is vertically installed on the outside of the support frame (1), and its inner side is attached to the side of the paver screed to restrict the lateral flow of asphalt mixture; The shaping plate (3) is inclinedly connected to the bottom outer side of the protective plate (2) and forms an acute angle with the protective plate (2) to compact and shape the edge of the asphalt paving; An adjustment mechanism (4) is located between the support frame (1) and the protective plate (2) to adjust the height and tilt angle of the protective plate (2).
2. The asphalt paving edge protection and shaping device according to claim 1, characterized in that: The inner surface of the protective plate (2) is provided with a wear-resistant layer (201).
3. The asphalt paving edge protection and shaping device according to claim 1, characterized in that: The bottom surface of the shaping plate (3) is arc-shaped, and the surface is provided with an anti-stick coating (301).
4. The asphalt paving edge protection and shaping device according to claim 1, characterized in that: The adjustment mechanism (4) includes at least one set of screw adjustment components (401) and slide groove (402). One end of the screw adjustment component (401) is hinged to the support frame (1), and the other end passes through the slide groove (402) and is fixed by a locking nut (403).
5. The asphalt paving edge protection and shaping device according to claim 4, characterized in that: The screw adjustment assembly (401) is connected to the protective plate (2) via an adjustable connector (404).
6. The asphalt paving edge protection and shaping device according to claim 1, characterized in that: The support frame (1) is connected to the paver screed (5) via a bolt assembly (101).
7. The asphalt paving edge protection and shaping device according to claim 1, characterized in that: The shaping plate (3) is equipped with a heating element (302), which is a resistance wire or a heat-conducting oil pipeline.