One-step forming device for recycled asphalt concrete pavement test piece
By designing a regenerative asphalt concrete pavement test piece that includes the bottom plate, the side arm of the bottom plate, the side support, the side support structure, and the side stress measurement device, solve the problem that the traditional test method is difficult to effectively detect the qualifications of the material. The effective test and testing of recycled asphalt concrete is achieved, ensuring the qualifications of materials and the quality of construction.
Patent Information
- Application Number
- CN202420079470.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-01-12
AI Technical Summary
Before the construction of recycled asphalt concrete pavement, tests are required to ensure that the materials meet the usage requirements. However, it is difficult to effectively detect the qualified materials by laying them directly, which can easily lead to subsequent use problems.
Design a type of recycled asphalt concrete pavement test parts for molding device, including molding bottom plate, bottom plate side arm, side guard plate, side support structure, and side stress measurement device. Test and test.
This device optimizes the setting of the test equipment, simplifies the test process, can effectively detect the qualifications of recycled asphalt concrete, avoid the occurrence of subsequent use problems, and the structure is simple and reused.
Smart Images
Figure CN222419699U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the road field, in particular to a one-step forming device for a regenerated asphalt concrete road test piece. Background Art
[0002] Asphalt pavement recycling technology refers to a set of processes in which old asphalt pavement that needs to be renovated or abandoned is excavated, recycled, heated, crushed, and screened by special pavement recycling equipment, and then remixed with regeneration agent, new asphalt, new aggregate, etc. in a certain proportion to form a mixture that meets certain road performance and is re-paved on the road surface. Before the construction of recycled pavement concrete, the mixed recycled materials need to be tested at a specific site. Only when they meet the use requirements can they be mixed and recycled in a centralized manner. Otherwise, various subsequent use problems are likely to occur. For this reason, a one-time forming device for recycled asphalt concrete pavement test pieces is designed. Utility Model Content
[0003] The purpose of the utility model is to provide a one-step forming device for a recycled asphalt concrete pavement test piece to solve the above technical problems. To achieve the above purpose, the utility model adopts the following technical solutions:
[0004] A one-time forming device for a recycled asphalt concrete pavement test piece comprises a forming base plate, base plate side arms, side guard plates, a side support structure, and a side stress measuring device. The base plate side arms are provided with a plurality of groups, and the plurality of base plate side arms are respectively arranged on the sides of the forming base plate. The side guard plates are arranged on the top surface of the forming base plate in a rectangular shape, and the inner side surface of the side support structure is tightly attached to the outer side surface of the side guard plate. The bottom side edge of the side support structure is connected to the base plate side arms, and the side support structure can slide on the base plate side arms. The bottom side edge of the side stress measuring device is connected to the base plate side arms, and the side stress measuring device can slide on the base plate side arms. The side end of the side stress measuring device is connected to the outer end of the side support structure.
[0005] On the basis of the above technical solution, a positioning through hole is provided on the side arm of the bottom plate, and the side support structure and the side stress measuring device can be fixed on the positioning through hole.
[0006] On the basis of the above technical scheme, the side support structure is composed of a side arm connecting slider, a side end positioning hole, and a support frame, the support frame is arranged on the top surface of the side arm connecting slider, the side end positioning hole is arranged at the side end of the side arm connecting slider, the side stress measuring device is composed of a measuring component, a side arm connecting slider, a side end positioning hole, and a positioning bolt rod, the side end positioning hole is arranged at the side end of the side arm connecting slider, a positioning through hole is opened on the side arm connecting slider, the side end of the measuring component can be connected to the positioning through hole and the side end positioning hole on the side support structure, the positioning bolt rod can pass through the side end positioning hole on the side support structure and the side end positioning hole on the side stress measuring device, and the bottom end of the positioning bolt rod is inserted into the positioning through hole on the side arm of the bottom plate.
[0007] On the basis of the above technical solution, the measuring component is composed of a side-transparent observation tube, a telescopic rod, and a double-end positioning convex rod. The telescopic rod is inserted into the side-transparent observation tube, and the telescopic rod can move in the side-transparent observation tube. The double-end positioning convex rod is respectively arranged on the bottom side of the side end of the telescopic rod and the side-transparent observation tube. The outer top surface of the telescopic rod is provided with scale lines. The double-end positioning convex rod can be inserted into the positioning through hole on the top surface of the side arm connecting the slider and the side end positioning hole on the side support structure.
[0008] Compared with the prior art, the utility model has the following advantages: the utility model optimizes the setting of the recycled asphalt concrete test equipment, changes the traditional direct laying method, designs a test workpiece, and can lay the recycled asphalt concrete on the test workpiece. The qualification of the recycled asphalt concrete is tested according to the data changes on the test workpiece. The utility model has a simple structure, can be reused, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a diagram of the overall appearance of the utility model.
[0010] Figure 2 It is a schematic diagram of local details of the utility model.
[0011] Figure 3 It is a schematic diagram of the lateral stress measuring device of the utility model.
[0012] Figure 4 It is a schematic diagram of the measuring component of the utility model.
[0013] In the figure: formed base plate 1, base plate side arm 2, side guard plate 3, side support structure 4, side stress measuring device 5, positioning perforation 6, side arm connecting slider 7, side end positioning hole 8, support frame 9, scale line 10, measuring component 11, positioning bolt rod 12, side transparent observation tube 13, telescopic rod 14, double-end positioning protrusion rod 15. DETAILED DESCRIPTION
[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementations.
[0015] A one-step forming device for a regenerated asphalt concrete pavement test piece comprises a forming base plate 1, base plate side arms 2, side guard plates 3, side support structures 4, and side stress measuring devices 5. The base plate side arms 2 are provided with a plurality of groups, and the plurality of base plate side arms 2 are respectively arranged on the sides of the forming base plate 1. The side guard plates 3 are arranged on the top surface of the forming base plate 1 in a rectangular shape. The inner side surface of the side support structure 4 is tightly attached to the outer side surface of the side guard plates 3. The bottom side edge of the side support structure 4 is connected to the base plate side arms 2, and the side support structure 4 can slide on the base plate side arms 2. The bottom side edge of the side stress measuring device 5 is connected to the base plate side arms 2, and the side stress measuring device 5 can slide on the base plate side arms 2. The side end of the side stress measuring device 5 is connected to the outer end of the side support structure 4.
[0016] The bottom plate side arm 2 is provided with a positioning through hole 6 , and the side support structure 4 and the side stress measuring device 5 can be fixed on the positioning through hole 6 .
[0017] The side support structure 4 is composed of a side arm connecting slider 7, a side end positioning hole 8, and a support frame 9. The support frame 9 is arranged on the top surface of the side arm connecting slider 7. The side end positioning hole 8 is arranged at the side end of the side arm connecting slider 7. The side stress measuring device 5 is composed of a measuring component 11, a side arm connecting slider 7, a side end positioning hole 8, and a positioning bolt rod 12. The side end positioning hole 8 is arranged at the side end of the side arm connecting slider 7. A positioning through hole 6 is opened on the side arm connecting slider 7. The side end of the measuring component 11 can be connected to the positioning through hole 6 and the side end positioning hole 8 on the side support structure 4. The positioning bolt rod 12 can pass through the side end positioning hole 8 on the side support structure 4 and the side end positioning hole 8 on the side stress measuring device 5, and the bottom end of the positioning bolt rod 12 is inserted into the positioning through hole 6 on the bottom plate side arm 2.
[0018] The measuring component 11 is composed of a side-transparent observation tube 13, a telescopic rod 14, and a double-end positioning convex rod 15. The telescopic rod 14 is inserted into the side-transparent observation tube 13, and the telescopic rod 14 can move in the side-transparent observation tube 13. The double-end positioning convex rod 15 is respectively arranged on the side end bottom side of the telescopic rod 14 and the side-transparent observation tube 13. The outer top surface of the telescopic rod 14 is provided with a scale line 10. The double-end positioning convex rod 15 can be inserted into the positioning through hole 6 on the top surface of the side arm connecting slider 7 and the side end positioning hole 8 on the side support structure 4.
[0019] Working principle of the utility model: the use of the structure is simple. The side guard plates 3 are assembled according to the needs of laying, and the side guard plates 3 are stacked. Then the side support structure 4 is fixed to the outer side of the side guard plates 3 to prevent the side guard plates 3 from tipping over. While fixing the side support structure 4, the positioning bolt rod 12 is inserted into the side end positioning hole 8 of the side end of the side arm connecting slider 7, and the positioning bolt rod 12 is fixed in the positioning through hole 6 on the bottom plate side arm 2. After the laying is completed, the laid material needs to be observed and tested, and the positioning bolt rod 12 is removed. The side stress measuring device 5 is connected so that its double-end positioning protrusion 15 is inserted into the side end positioning hole 8 at the side end of the side arm connecting slider 7, and then the positioning bolt rod 12 is inserted into the side end positioning hole 8 at the rear end of the side stress measuring device 5, and the bottom end of the positioning bolt rod 12 is fixed in the positioning through hole 6 on the bottom plate side arm 2. In this process, the collapse and firmness of the recycled asphalt concrete will be detected. By pushing the side guard plate 3 to move, the relative positions of the side transparent observation tube 13 and the telescopic rod 14 will change, and the batching ratio of the recycled asphalt concrete will be adjusted according to the standard.
[0020] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.
Claims
1. A one-step forming device for a recycled asphalt concrete pavement test piece, characterized in that: The invention comprises a molded bottom plate (1), a bottom plate side arm (2), a side guard plate (3), a side support structure (4), and a side stress measuring device (5), wherein the bottom plate side arm (2) is provided with a plurality of groups, and the plurality of groups of bottom plate side arms (2) are respectively arranged on the side edges of the molded bottom plate (1), the side guard plates (3) are arranged on the top surface of the molded bottom plate (1) in a rectangular shape, the inner side surface of the side support structure (4) is closely attached to the outer side surface of the side guard plate (3), the bottom side edge of the side support structure (4) is connected to the bottom plate side arm (2), and the side support structure (4) can slide on the bottom plate side arm (2), the bottom side edge of the side stress measuring device (5) is connected to the bottom plate side arm (2), and the side stress measuring device (5) can slide on the bottom plate side arm (2), and the side end of the side stress measuring device (5) is connected to the outer end of the side support structure (4).
2. The one-step forming device for a regenerated asphalt concrete pavement test piece according to claim 1, characterized in that: The bottom plate side arm (2) is provided with a positioning through hole (6), and the side support structure (4) and the side stress measuring device (5) can be fixed on the positioning through hole (6).
3. The one-step forming device for a regenerated asphalt concrete pavement test piece according to claim 2, characterized in that: The side support structure (4) is composed of a side arm connecting slider (7), a side end positioning hole (8), and a support frame (9); the support frame (9) is arranged on the top surface of the side arm connecting slider (7); the side end positioning hole (8) is arranged on the side end of the side arm connecting slider (7); the side stress measuring device (5) is composed of a measuring component (11), a side arm connecting slider (7), a side end positioning hole (8), and a positioning bolt rod (12); a positioning through hole (6) is provided on the side arm connecting slider (7); the side end of the measuring component (11) can be connected to the positioning through hole (6) and the side end positioning hole (8) on the side support structure (4); the positioning bolt rod (12) can pass through the side end positioning hole (8) on the side support structure (4) and the side end positioning hole (8) on the side stress measuring device (5); and the bottom end of the positioning bolt rod (12) is inserted into the positioning through hole (6) on the bottom plate side arm (2).
4. The one-step forming device for a regenerated asphalt concrete pavement test piece according to claim 3 is characterized in that: The measuring component (11) is composed of a side-transparent observation tube (13), a telescopic rod (14), and a double-end positioning convex rod (15). The telescopic rod (14) is inserted into the side-transparent observation tube (13), and the telescopic rod (14) can move in the side-transparent observation tube (13). The double-end positioning convex rod (15) is respectively arranged on the side end bottom sides of the telescopic rod (14) and the side-transparent observation tube (13). The outer top surface of the telescopic rod (14) is provided with a scale line (10). The double-end positioning convex rod (15) can be inserted into the positioning through hole (6) on the top surface of the side arm connecting slider (7) and the side end positioning hole (8) on the side support structure (4).