A highway pavement compactness test detection device

CN224906608UActive Publication Date: 2026-10-27CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521830854.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2026-10-27
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

[0003]在公路路面建设过程中,压实度是影响路面质量的关键因素,传统的压实度检测方法包括钻芯取样法、环刀法、灌砂法、水袋法和核子密度仪法等,这些方法较为耗时耗力,且无法满足快速的检测需求的问题,为此,我们提供了一种公路路面压实度试验检测装置解决以上问题

Benefits of technology

[0012]该公路路面压实度试验检测装置,通过设有的牵引卡件,并配合移动机构,起到对带动该装置移动至指定位置的作用,减少了人力搬运的难度和工作量,提高了试验检测的工作效率,通过电动推杆、调节板、压实块和连通口的配合,能够使压实块与路面接触,并利用刻度板、刻度针调节板和电动推杆的配合,能够直观地显示压实块的升降位置,方便操作人员实时了解压实深度等关键数据,便于对试验过程进行精确控制和记录,通过导向槽、导向块、滑动孔和固定板的配合,便于对调节板的上下移动提供了精准的导向和限位,使得压实块在压实路面时能够始终保持垂直和稳定的运动轨迹,准确地对预定位置进行压实,避免了压实块的偏移或晃动的现象。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224906608U_ABST
    Figure CN224906608U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of highway pavement compactness test detection device, it is related to highway technical field, including fixed plate, the upper surface of the fixed plate is fixedly connected with connecting plate, the bottom of the fixed plate is fixedly connected with two support seat, the upper surface of the fixed plate is fixedly connected with positioning frame, the upper surface of the positioning frame is fixedly installed with electric push rod.The highway pavement compactness test detection device, the cooperation of scale board, scale needle adjusting plate and electric push rod can directly show the lifting position of compacting block, facilitate operator to understand key data such as compacting depth in real time, facilitate to accurately control and record test process, by guide slot, guide block, sliding hole and fixed plate, it is convenient to provide accurate guide and limit for the up and down movement of adjusting plate, so that compacting block can keep perpendicular motion trajectory when compacting pavement, accurately compact predetermined position, avoid the phenomenon of deviation or shaking of compacting block.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a test device for the compaction degree of highway pavement, belonging to the field of highway technology. Background Technology

[0002] Highways refer to public roads between cities, between urban and rural areas, and between rural areas that are open to motor vehicles and have been inspected and approved by the transportation authorities. This includes highways that have already been built and have been approved by the transportation authorities, as well as highways that are designed in accordance with national highway engineering technical standards and have been approved by the relevant national administrative departments and are under construction by the transportation authorities.

[0003] In the process of highway pavement construction, compaction degree is a key factor affecting pavement quality. Traditional compaction degree testing methods include core drilling, ring cutter method, sand cone method, water bag method, and nuclear density meter method. These methods are time-consuming and labor-intensive, and cannot meet the needs of rapid testing. Therefore, we provide a highway pavement compaction degree testing device to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a highway pavement compaction testing device, the specific technical solution of which is as follows:

[0005] A road surface compaction testing device includes a fixed plate, a connecting plate fixedly connected to the upper surface of the fixed plate, two support seats fixedly connected to the bottom surface of the fixed plate, a positioning frame fixedly connected to the upper surface of the fixed plate, an electric push rod fixedly mounted on the upper surface of the positioning frame, a scale plate fixedly connected to the upper surface of the fixed plate, the top of the scale plate fixedly connected to the inner top wall of the positioning frame, an adjusting plate fixedly connected to the telescopic end of each electric push rod, two scale needles fixedly connected to the front of the adjusting plate and in contact with the scale plate, a compaction block fixedly connected to the bottom surface of the adjusting plate, a communication opening on the upper surface of the fixed plate, and a traction clamp fixedly connected to the back of the connecting plate.

[0006] Preferably, a reinforcing inclined plate is fixedly connected to the upper surface of the fixing plate, the back of the reinforcing inclined plate is fixedly connected to the front of the connecting plate, and the two reinforcing inclined plates are respectively fixedly connected to the left and right sides of the positioning frame on their adjacent sides.

[0007] Preferably, a reinforcing ring is fixedly connected to the outer surface of the electric push rod, and the bottom end of the reinforcing ring is fixedly connected to the upper surface of the positioning frame.

[0008] Preferably, a stabilizing frame is fixedly connected to the outer surface of the compaction block, and the top of the stabilizing frame is fixedly connected to the bottom surface of the adjusting plate.

[0009] Preferably, the inner sidewall of the positioning frame has two guide grooves, and the inner sidewall of each guide groove is slidably connected with a guide block. The sides of the two sets of guide blocks that are close to each other are fixedly connected to the left and right sides of the adjustment plate, respectively.

[0010] Preferably, the upper surface of the adjusting plate is provided with two sets of sliding holes, and a sliding rod is slidably connected to the inner ring of each sliding hole. The top and bottom ends of each sliding rod are respectively fixedly connected to the inner top wall of the positioning frame and the upper surface of the fixing plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This highway pavement compaction testing device, through its traction clamp and moving mechanism, moves the device to a designated position, reducing the difficulty and workload of manual handling and improving testing efficiency. The electric push rod, adjusting plate, compaction block, and connecting port work together to ensure the compaction block contacts the road surface. The scale plate, scale needle adjusting plate, and electric push rod visually display the compaction block's position, allowing operators to monitor key data such as compaction depth in real time. This facilitates precise control and recording of the testing process. The guide groove, guide block, sliding hole, and fixing plate provide precise guidance and limits for the adjusting plate's vertical movement, ensuring the compaction block maintains a vertical and stable trajectory during pavement compaction, accurately compacting the predetermined position and preventing block deviation or wobbling. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the fixing plate of this utility model;

[0014] Figure 2 This is a rear view structural diagram of the connecting plate in this utility model;

[0015] Figure 3 This is a top sectional view of the positioning frame in this utility model;

[0016] Figure 4 This is a front view schematic diagram of the adjustment plate in this utility model.

[0017] Figure descriptions: 1. Fixing plate; 2. Support base; 3. Connecting plate; 4. Positioning frame; 5. Electric push rod; 6. Reinforcing ring; 7. Reinforcing inclined plate; 8. Scale plate; 9. Adjusting plate; 10. Scale needle; 11. Compacting block; 12. Stabilizing frame; 13. Connecting port; 14. Traction clamp; 15. Guide groove; 16. Guide block; 17. Sliding hole; 18. Sliding rod. Detailed Implementation

[0018] In the description of this utility model, it should be noted that, 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 based on the specific circumstances.

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 In this utility model, a road surface compaction test device includes a fixed plate 1, a connecting plate 3 fixedly connected to the upper surface of the fixed plate 1, two support seats 2 fixedly connected to the bottom surface of the fixed plate 1, a positioning frame 4 fixedly connected to the upper surface of the fixed plate 1, an electric push rod 5 fixedly installed on the upper surface of the positioning frame 4, a scale plate 8 fixedly connected to the upper surface of the fixed plate 1, the top of the scale plate 8 fixedly connected to the inner top wall of the positioning frame 4, an adjustment plate 9 fixedly connected to the telescopic end of each electric push rod 5, two scale needles 10 fixedly connected to the front of the adjustment plate 9 and in contact with the scale plate 8, a compaction block 11 fixedly connected to the bottom surface of the adjustment plate 9, a communication port 13 opened on the upper surface of the fixed plate 1, and a traction clamp 14 fixedly connected to the back of the connecting plate 3. The traction clamp 14, in conjunction with the moving mechanism, moves the device to a designated position, reducing the difficulty and workload of manual handling and improving the efficiency of testing. Through the cooperation of the electric push rod 5, adjusting plate 9, compaction block 11, and connecting port 13, the compaction block 11 can contact the road surface. The scale plate 8, scale needle 10, adjusting plate 9, and electric push rod 5 visually display the lifting position of the compaction block 11, allowing operators to understand key data such as compaction depth in real time, facilitating precise control and recording of the testing process. The guide groove 15, guide block 16, sliding hole 17, and fixing plate 1 provide precise guidance and limits for the up-and-down movement of the adjusting plate 9, ensuring that the compaction block 11 maintains a vertical and stable trajectory during road compaction, accurately compacting the predetermined position and preventing offset or shaking of the compaction block 11.

[0021] A reinforcing inclined plate 7 is fixedly connected to the upper surface of the fixed plate 1. The back of the reinforcing inclined plate 7 is fixedly connected to the front of the connecting plate 3. The two reinforcing inclined plates 7 are fixedly connected to the left and right sides of the positioning frame 4 respectively. The reinforcing inclined plate 7 is used to limit the positioning frame 4. A reinforcing ring 6 is fixedly connected to the outer surface of the electric push rod 5. The bottom end of the reinforcing ring 6 is fixedly connected to the upper surface of the positioning frame 4. The reinforcing ring 6 is used to reinforce the electric push rod 5. A stabilizing frame 12 is fixedly connected to the outer surface of the compaction block 11. The top end of the stabilizing frame 12 is fixedly connected to the bottom surface of the adjusting plate 9. The stabilizing frame 12 is used to fix the compaction block 11.

[0022] The inner sidewall of the positioning frame 4 has two guide grooves 15, and the inner sidewall of each guide groove 15 is slidably connected to a guide block 16. The two sets of guide blocks 16 are respectively fixedly connected to the left and right sides of the adjusting plate 9 on their respective sides. Through the provided guide grooves 15 and guide blocks 16, the adjusting plate 9 can be made to slide more smoothly. The upper surface of the adjusting plate 9 has two sets of sliding holes 17, and the inner ring of each sliding hole 17 is slidably connected to a sliding rod 18. The top and bottom ends of each sliding rod 18 are respectively fixedly connected to the inner top wall of the positioning frame 4 and the upper surface of the fixing plate 1. Through the cooperation of the provided sliding holes 17 and sliding rods 18, the adjusting plate 9 can be made to slide more smoothly.

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

[0024] In use, firstly, the traction clamp 14 is installed on the moving mechanism, which can drive the device to move to the designated position. Then, the electric push rod 5 is connected to the power supply and controlled by the control switch. By starting the electric push rod 5, the adjusting plate 9 can be pushed and the compaction block 11 can be driven to contact the road surface through the connecting port 13. By continuously pressing the compaction block 11 down by the electric push rod 5 and the adjusting plate 9, the scale needle 10 can slide along the scale plate 8. When the designated value is reached, the road compaction degree can be judged by observing the scale needle 10, which facilitates the work of road compaction degree test and detection.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0027] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these embodiments will all fall within the protection scope of the claims of this utility model.

Claims

1. A test device for road pavement compaction, comprising a fixing plate (1), characterized in that: A connecting plate (3) is fixedly connected to the upper surface of the fixed plate (1). Two support seats (2) are fixedly connected to the bottom surface of the fixed plate (1). A positioning frame (4) is fixedly connected to the upper surface of the fixed plate (1). An electric push rod (5) is fixedly installed on the upper surface of the positioning frame (4). A scale plate (8) is fixedly connected to the upper surface of the fixed plate (1). The top of the scale plate (8) is fixedly connected to the inner top wall of the positioning frame (4). An adjusting plate (9) is fixedly connected to the telescopic end of each electric push rod (5). Two scale needles (10) are fixedly connected to the front of the adjusting plate (9), and the scale needles (10) are in contact with the scale plate (8). A compaction block (11) is fixedly connected to the bottom surface of the adjusting plate (9). A communication port (13) is opened on the upper surface of the fixed plate (1). A traction clamp (14) is fixedly connected to the back of the connecting plate (3).

2. The highway pavement compaction testing device according to claim 1, characterized in that: The upper surface of the fixing plate (1) is fixedly connected to a reinforcing inclined plate (7). The back of the reinforcing inclined plate (7) is fixedly connected to the front of the connecting plate (3). The two reinforcing inclined plates (7) are respectively fixedly connected to the left and right sides of the positioning frame (4) on their sides that are close to each other.

3. The highway pavement compaction test device according to claim 1, characterized in that: The outer surface of the electric push rod (5) is fixedly connected to a reinforcing ring (6), and the bottom end of the reinforcing ring (6) is fixedly connected to the upper surface of the positioning frame (4).

4. The highway pavement compaction testing device according to claim 1, characterized in that: The outer surface of the compaction block (11) is fixedly connected to a stabilizing frame (12), and the top of the stabilizing frame (12) is fixedly connected to the bottom surface of the adjusting plate (9).

5. The highway pavement compaction testing device according to claim 1, characterized in that: The inner wall of the positioning frame (4) has two guide grooves (15), and each guide groove (15) has a guide block (16) slidably connected to its inner wall. The two sets of guide blocks (16) are respectively fixedly connected to the left and right sides of the adjustment plate (9) on their respective sides.

6. The highway pavement compaction testing device according to claim 1, characterized in that: The upper surface of the adjustment plate (9) is provided with two sets of sliding holes (17). Each sliding hole (17) has a sliding rod (18) slidably connected to its inner ring. The top end and bottom end of each sliding rod (18) are respectively fixedly connected to the inner top wall of the positioning frame (4) and the upper surface of the fixing plate (1).