Road flatness measuring device
By designing a foldable highway smoothness measuring device, the problems of inconvenience in carrying and measurement accuracy were solved, achieving both portable and accurate measurement results.
Patent Information
- Application Number
- CN202520003723.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Existing highway smoothness measuring devices are inconvenient to carry and use, and their measurement accuracy is affected; feeler gauges are also easily lost.
A foldable highway smoothness measuring device was designed. Through the movable connection of the first and second rulers, combined with the adjustment rod and feeler gauge assembly, the device achieves portability and measurement accuracy. The feeler gauge can be inserted into the gap for measurement.
This achieves portability and measurement accuracy of the device, avoids the loss of feeler gauges, and improves measurement precision.
Smart Images
Figure CN223580914U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway flatness measurement technical field, concretely is a highway flatness measuring device. BACKGROUND
[0002] The highway flatness measuring device is also called a road surface flatness meter or a flatness tester, and is a device specially used for measuring the flatness of roads, airports and the like.
[0003] After the completion of highway construction, the flatness of the road surface needs to be detected, and the existing section type is usually used to detect the flatness of the road surface. When the straight ruler is placed on the measured road surface, the maximum gap is determined by penetrating the gap between the straight ruler and the road surface, and the maximum gap is manually inserted with a plug gauge to read the value on the plug gauge. However, the design of the straight ruler and the plug gauge requires the user to read the data sideways, which causes the hand holding the plug gauge to tilt at a certain angle, which is not conducive to the accuracy of the measurement, and the straight ruler is large and long, which is not convenient to carry. At the same time, the plug gauge is small and often lost, which affects its use. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a highway flatness measuring device, the first straight ruler and the second straight ruler are folded and overlapped with each other, the length of the first straight ruler and the second straight ruler is shortened, the user is convenient to carry the first straight ruler and the second straight ruler, the plug gauge body enters the gap between the first straight ruler, the second straight ruler and the ground, measures the gap, guarantees the accuracy of the measurement and avoids the loss of the plug gauge body during use.
[0005] The utility model is implemented by the following technical solutions:
[0006] The utility model is a highway flatness measuring device, which comprises a first straight ruler and a second straight ruler, the first straight ruler and the second straight ruler are movably connected, two mounting frames are mounted on the side walls of the first straight ruler and the second straight ruler, sliding grooves are formed in the side walls of the two mounting frames, adjusting rods are slidably matched in the sliding grooves, the heights of the adjusting rods are the same as that of the first straight ruler, plug gauge assemblies are threadedly matched on the adjusting rods.
[0007] The spacer ruler assembly comprises a frame body and a second threaded rod, the frame body is arranged on the adjusting rod, the second threaded rod is provided with a second bearing at one end, the outer ring of the second bearing is provided with a circular ring, a hole plate is threadedly connected on the second threaded rod, a connecting plate is arranged at the bottom end of the hole plate, a spacer ruler body is arranged on the connecting plate, and the spacer ruler body is arranged at the bottom end of the first ruler.
[0008] Further, the first ruler is provided with a first handle at one end, the second ruler is provided with a second handle at one end, the first ruler is provided with two side plates at the other end, the first threaded ring is arranged on the side wall of the side plate, and the first threaded ring is internally threadedly connected with the first threaded rod.
[0009] Further, the first threaded rod extends to the outside of the side plate at one end, the second threaded ring is threadedly connected on the first threaded rod, and the second threaded ring is arranged on the outer wall of the side plate.
[0010] Further, the second ruler is provided with a cylinder at the other end, and the cylinder is connected on the first threaded rod.
[0011] Further, the adjusting rod is provided with a first bearing at the bottom end, the outer ring of the first bearing is provided with a first sliding block, a second sliding block is arranged on the adjusting rod, the first sliding block and the second sliding block are slidably connected in the sliding groove of the mounting frame, a threaded hole plate is threadedly connected on the adjusting rod, and the frame body is arranged on the threaded hole plate.
[0012] Further, the connecting plate is an L-shaped plate.
[0013] The utility model discloses the following beneficial effects:
[0014] The utility model discloses the first ruler and second ruler between being provided with side plate, first threaded ring, first threaded rod and second threaded ring, are connected with first ruler and second ruler through first threaded rod, make first ruler and second ruler can fold coinciding each other, shorten the length of first ruler and second ruler, make it convenient for user to carry first ruler and second ruler.
[0015] The utility model discloses the adjusting rod on the frame installed on the side wall of first ruler and second ruler, and the spacer ruler assembly is connected on the adjusting rod, and the spacer ruler body of the spacer ruler assembly enters the gap between first ruler, second ruler and ground, measures the gap, guarantees the accuracy of measurement and avoids the loss of the spacer ruler body when using.
[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS
[0017] Figure 1 It is a structure schematic view of first ruler and second ruler in open state;
[0018] Figure 2 It is a left side structure schematic view of first ruler and second ruler in closed state.
[0019] Figure 3 Figure 3 is a right side structural schematic view of the first ruler and the second ruler in a closed state;
[0020] Figure 4 Figure 4 is a structural schematic view of the adjusting rod and the plug ruler assembly;
[0021] Figure 5 Figure 5 is an internal structural schematic view of the adjusting rod and the plug ruler assembly.
[0022] In the figure: 1, the first ruler; 101, the first handle; 102, the side plate; 103, the first threaded ring; 104, the first threaded rod; 105, the second threaded ring; 2, the second ruler; 201, the second handle; 202, the cylinder; 3, the mounting frame; 4, the adjusting rod; 401, the first sliding block; 402, the first bearing; 403, the threaded hole plate; 404, the second sliding block; 5, the plug ruler assembly; 501, the frame body; 502, the second threaded rod; 503, the second bearing; 504, the circular ring; 505, the hole plate; 506, the connecting plate; 507, the plug ruler body. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figures 1-5 The present application provides a technical solution: a highway flatness measuring device, comprising a first ruler 1 and a second ruler 2, the first ruler 1 and the second ruler 2 are movably connected, one end of the first ruler 1 is provided with a first handle 101, one end of the second ruler 2 is provided with a second handle 201, the other end of the first ruler 1 is provided with two side plates 102, the side wall of the side plate 102 is provided with a first threaded ring 103, the inside of the first threaded ring 103 is threadedly connected with a first threaded rod 104, one end of the first threaded rod 104 extends to the outside of the side plate 102, the first threaded rod 104 is threadedly connected with a second threaded ring 105, the second threaded ring 105 is arranged on the outer wall of the side plate 102, the first ruler 1 and the second ruler 2 are connected by the first threaded rod 104, so that the first ruler 1 and the second ruler 2 can be folded and overlapped with each other, the length of the first ruler 1 and the second ruler 2 is shortened, and it is convenient for the user to carry the first ruler 1 and the second ruler 2.
[0025] The first ruler 1 and the second ruler 2 are provided with two mounting frames 3 on the side walls, the second ruler 2 is provided with a cylinder 202 at the other end, the cylinder 202 is matched on the first threaded rod 104, the side walls of the two mounting frames 3 are provided with sliding grooves, the sliding grooves are internally slidably matched with adjusting rods 4, the adjusting rods 4 are of the same height as the first ruler 1, the bottom ends of the adjusting rods 4 are provided with first bearings 402, the outer rings of the first bearings 402 are provided with first sliding blocks 401, the adjusting rods 4 are provided with second sliding blocks 404, the first sliding blocks 401 and the second sliding blocks 404 are slidably matched in the sliding grooves of the mounting frames 3, the adjusting rods 4 are threadedly matched with threaded hole plates 403, frame bodies 501 are arranged on the threaded hole plates 403, and the positions of the adjusting rods 4 on the mounting frames 3 are moved.
[0026] The adjusting rods 4 are threadedly matched with plug ruler assemblies 5, the plug ruler assemblies 5 comprise the frame bodies 501 and second threaded rods 502, the frame bodies 501 are arranged on the adjusting rods 4, the second threaded rods 502 are provided with second bearings 503 at one end, the outer rings of the second bearings 503 are provided with annular rings 504, the second threaded rods 502 are threadedly matched with hole plates 505, the hole plates 505 are provided with connecting plates 506 at the bottom ends, the connecting plates 506 are L-shaped plates, plug ruler bodies 507 are arranged on the connecting plates 506, the plug ruler bodies 507 are provided with height marks, the plug ruler bodies 507 are arranged at the bottom ends of the first rulers 1, the second threaded rods 502 are rotated, the hole plates 505 on the second threaded rods 502 drive the connecting plates 506 and the plug ruler bodies 507 to move, the plug ruler bodies 507 enter the gaps between the first rulers 1, the second rulers 2 and the ground, the gaps are measured, the accuracy of the measurement is ensured, and the plug ruler bodies 507 are prevented from being lost during use.
[0027] When the flatness measuring device is used to measure the flatness of the road, the 3-meter ruler formed by the first ruler 1 and the second ruler 2 is used to measure the gap between the first ruler 1, the second ruler 2 and the road surface, when the position of the largest gap needs to be determined, the adjusting rods 4 in the mounting frames 3 are slidably installed, the adjusting rods 4 are rotated, the installation height of the plug ruler assemblies 5 on the adjusting rods 4 is adjusted, the plug ruler bodies 507 are attached to the ground gap, the second threaded rods 502 in the frame bodies 501 of the plug ruler assemblies 5 are rotated, the hole plates 505 on the second threaded rods 502 drive the connecting plates 506 and the plug ruler bodies 507 to move, the plug ruler bodies 507 enter the gaps, and the plug ruler bodies 507 with height marks are used to measure the height of the largest gap.
[0028] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A road evenness measuring device comprising a first ruler (1) and a second ruler (2), characterized in that: The first ruler (1) and the second ruler (2) are movably connected, two mounting frames (3) are mounted on the side walls of the first ruler (1) and the second ruler (2), sliding grooves are formed in the side walls of the two mounting frames (3), an adjusting rod (4) is slidably connected in the sliding grooves, the adjusting rod (4) has the same height as the first ruler (1), and a plug ruler assembly (5) is threadedly connected on the adjusting rod (4); The plug ruler assembly (5) comprises a frame body (501) and a second threaded rod (502), the frame body (501) is arranged on the adjusting rod (4), one end of the second threaded rod (502) is provided with a second bearing (503), an outer ring of the second bearing (503) is provided with a circular ring (504), a hole plate (505) is threadedly connected on the second threaded rod (502), a connecting plate (506) is arranged at the bottom of the hole plate (505), a plug ruler body (507) is arranged on the connecting plate (506), and the plug ruler body (507) is arranged at the bottom end of the first ruler (1).
2. A highway evenness measuring device according to claim 1, wherein One end of the first ruler (1) is provided with a first handle (101), one end of the second ruler (2) is provided with a second handle (201), the other end of the first ruler (1) is provided with two side plates (102), a first threaded ring (103) is arranged on the side wall of the side plate (102), and a first threaded rod (104) is threadedly connected in the first threaded ring (103).
3. A highway evenness measuring device according to claim 2, wherein One end of the first threaded rod (104) extends to the outside of the side plate (102), a second threaded ring (105) is threadedly connected on the first threaded rod (104), and the second threaded ring (105) is arranged on the outer wall of the side plate (102).
4. A highway evenness measuring device according to claim 2, wherein The other end of the second ruler (2) is provided with a cylinder (202), and the cylinder (202) is connected on the first threaded rod (104).
5. The highway evenness measuring device of claim 1 wherein, A first bearing (402) is arranged at the bottom end of the adjusting rod (4), a first sliding block (401) is arranged on the outer ring of the first bearing (402), a second sliding block (404) is arranged on the adjusting rod (4), the first sliding block (401) and the second sliding block (404) are slidably connected in the sliding grooves of the mounting frames (3), a threaded hole plate (403) is threadedly connected on the adjusting rod (4), and the frame body (501) is arranged on the threaded hole plate (403).
6. The highway evenness measuring device of claim 1 wherein, The connecting plate (506) is an L-shaped plate.