Pavement water permeability detection device

By designing a road surface water seepage performance testing device with a mobile vehicle and lifting components, the sealing problem caused by the deformation of the waterproof edge due to gravity compression of the base plate was solved, and accurate water seepage performance testing was achieved at any location.

CN223756559UActive Publication Date: 2026-01-02THE THIRD ENG CO LTD OF THE CCCC THIRDHIGHWAY ENG CO LTD +1
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Patent Information

Application Number
CN202520007184.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-01-02
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Existing road surface permeability testing devices suffer from deformation of the waterproof edge due to the pressure of the base plate's weight, which affects the sealing performance and thus the accuracy of the test results.

Method used

A road surface water permeability testing device was designed, comprising a mobile vehicle, a lifting assembly, a transparent tube, and a soft rubber layer. The lifting assembly presses the base plate firmly against the road surface, the soft rubber layer forms a seal, and water in the transparent tube permeates the road surface through a drip pipe. The water level change is observed to calculate the water permeation volume.

Benefits of technology

It enables water seepage performance testing at any location, ensuring sealing and improving the accuracy and convenience of test results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756559U_ABST
Patent Text Reader

Abstract

The utility model provides a pavement water permeability detection device which comprises a mobile vehicle, an L-shaped plate is fixedly arranged on the mobile vehicle, a water tank is fixedly arranged at the top end of the L-shaped plate, a lifting assembly is arranged between the mobile vehicle and the L-shaped plate, a frame is arranged on the lifting assembly, the frame comprises a bottom plate and a top plate, and the bottom plate and the top plate are arranged on the base plate. And a plurality of connecting rods are fixedly arranged between the bottom plate and the top plate. Compared with the prior art, the device has the following beneficial effects that through the design of the lifting assembly, the bottom plate can be tightly pressed on the road surface, and the soft rubber layer is extruded on the road surface, so that the interior of the groove is ensured to be sealed, and the situation that water in the groove flows to the road surface on the outer side to affect a final detection result is prevented; water in the transparent pipe flows into the funnel through the weeping pipe, finally flows into the groove and gradually permeates into the ground, and finally the height of the water level in the transparent pipe is observed, so that the water seepage performance is obtained.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a road surface water permeability detection device and belongs to the field of road surface performance detection. BACKGROUND

[0002] The existing road surface water will produce hydrodynamic pressure under the tire of high-speed driving, which will directly penetrate the road surface and cause water damage to the road surface structure layer, so the completed road surface should have certain water resistance in the road surface construction. In the prior art, the road surface water permeability detection device comprises a bottom plate and a measuring cylinder located above the bottom plate. A cavity is arranged in the bottom plate, the cavity extends downwardly through the bottom surface of the bottom plate, the upper end of the cavity and the lower end of the measuring cylinder are connected in communication through a conduit, and a valve for controlling the flow of liquid in the conduit is installed on the conduit. A sealing ring is also accommodated in the cavity, and the sealing ring further comprises a waterproof edge extending downwardly from the edge of the lower surface of the sealing ring. The water in the measuring cylinder exerts pressure on the road surface aligned with the bottom surface of the cavity and penetrates the road surface. The amount of liquid level drop in the measuring cylinder within a certain time is checked to calculate the water permeation amount of the road surface per unit time.

[0003] The above-mentioned prior art utilizes the gravity of the bottom plate to extrude the waterproof edge to deform and form a seal. However, the flatness of the road surface affects the deformation of the waterproof edge. Therefore, the sealing between the bottom plate and the road surface is guaranteed by the gravity of the bottom plate itself, and the extrusion of the waterproof edge may result in water seepage, thereby affecting the detection of the water permeability performance. Therefore, the present application proposes a road surface water permeability detection device capable of intelligently pressing the bottom plate. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a road surface water permeability detection device.

[0005] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:

[0006] A road surface water permeability detection device comprises a mobile vehicle, an L-shaped plate fixedly arranged on the mobile vehicle, a water tank fixedly arranged at the top end of the L-shaped plate, a lifting assembly arranged between the mobile vehicle and the L-shaped plate, a frame arranged on the lifting assembly, a bottom plate and a top plate, a plurality of connecting rods fixedly arranged between the bottom plate and the top plate, a transparent tube arranged between the bottom plate and the top plate, the top end of the transparent tube being arranged at the bottom of the top plate through a movable piece, a water dripping pipe communicated with the bottom end of the transparent tube, a hopper fixedly arranged at the top end of the bottom plate, a groove arranged at the bottom end of the bottom plate, the hopper being communicated with the interior of the groove, and a soft rubber layer arranged at the bottom end of the bottom plate.

[0007] Further, a counterweight ring is fixedly sleeved on the outer surface of the water dripping pipe, the movable piece comprises a cylinder fixedly arranged at the top end of the transparent tube, and a circular ring fixedly arranged at the top end of the cylinder.

[0008] Further, the top plate bottom end is fixedly provided with a secondary circular ring, and the circular ring is connected with the secondary circular ring in a buckling mode.

[0009] Further, the lifting assembly comprises a driving motor fixed at the top end of the L-shaped plate, and the output bottom end of the driving motor is provided with a lead screw, the connecting rod is fixedly provided with a threaded plate, and the threaded plate is threadedly sleeved on the lead screw.

[0010] Further, a vertical rod is further fixed between the moving trolley and the L-shaped plate, the threaded plate is slidably sleeved on the vertical rod, a bearing is sleeved at the bottom end of the lead screw, and the bearing is fixed on the moving trolley.

[0011] Further, universal wheels are arranged at the bottom end of the moving trolley, and scale lines are engraved on the outer side of the transparent tube.

[0012] Further, a water pump is fixed on the outer wall of the water tank, the water pump is provided with a water suction pipe and a water outlet pipe, the water suction pipe penetrates into the bottom of the water tank, and the water outlet pipe and the transparent tube are connected through a hose.

[0013] Further, the L-shaped plate is provided with a controller for connecting the water pump and the driving motor, the controller is provided with a key, and the top end of the water tank is provided with a water inlet pipeline with a control valve.

[0014] The utility model discloses the beneficial effects of:

[0015] Through the design of the moving trolley, the components thereon can be moved integrally, and finally the bottom plate can be moved to any place for detection.

[0016] Through the design of the lifting assembly, the bottom plate can be pressed on the road surface, and the soft rubber layer is extruded on the road surface, so that the inside of the groove is in a sealed state, to prevent the water in the inside from flowing to the outside of the road surface and affecting the final detection result.

[0017] By injecting water into the transparent tube, the water in the transparent tube flows into the funnel through the dripping pipe, and finally flows into the groove, gradually permeates the ground, and finally observes the height of the water level in the transparent tube, so as to obtain the water permeability. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the front view of the road surface water permeability detection device of the utility model;

[0020] Figure 2 It is the transparent tube schematic view of the road surface water permeability detection device of the utility model;

[0021] Figure 3 It is the top plate schematic view of the road surface water permeability detection device of the utility model;

[0022] Figure 4 It is the movable part schematic view of the road surface water permeability detection device of the utility model.

[0023] In the drawing: 1, mobile car; 2, L-shaped plate; 3, water tank; 4, bottom plate; 5, top plate; 6, connecting rod; 7, transparent tube; 8, drip pipe; 9, hopper; 10, groove; 11, soft rubber layer; 12, counterweight ring; 13, cylinder; 14, circular ring; 15, secondary circular ring; 16, driving motor; 17, screw rod; 18, threaded plate; 19, vertical rod; 20, bearing; 21, universal wheel; 22, water pump; 23, water outlet pipe; 24, hose; 25, controller; 26, water inlet pipeline. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: a road surface water permeability detection device, including mobile car 1, mobile car 1 is fixed with L-shaped plate 2, L-shaped plate 2 top is fixed with water tank 3, mobile car 1 with L-shaped plate 2 is provided with lifting assembly, lifting assembly is provided with frame, frame includes bottom plate 4 and top plate 5, bottom plate 4 with top plate 5 is fixed with a plurality of connecting rods 6, bottom plate 4 with top plate 5 is equipped with transparent tube 7, transparent tube 7 top is set in top plate 5 bottom through movable part, transparent tube 7 bottom is communicated with drip pipe 8, bottom plate 4 top is fixed with hopper 9, bottom plate 4 bottom is provided with recess 10, hopper 9 with recess 10 inside is communicated, bottom plate 4 bottom is provided with soft rubber layer 11.

[0026] Please refer to Figure 1 , Figure 2 and Figure 4The outer surface of the drip pipe 8 is fixedly provided with a counterweight ring 12, the movable part includes a cylinder 13 fixed at the top end of the transparent pipe 7, the top end of the cylinder 13 is fixedly provided with a ring 14, the bottom end of the top plate 5 is fixedly provided with a secondary ring 15, the ring 14 is connected with the secondary ring 15 in a buckling manner, the ring 14 and the secondary ring 15 are connected in a buckling manner, under the cooperation of the weight of the transparent pipe 7, the weight of the water in the transparent pipe 7 and the weight of the counterweight ring 12, the transparent pipe 7 swings and deviates relative to the top plate 5, so that the liquid level in the transparent pipe 7 is always in a horizontal state, which facilitates accurate reading of the liquid level.

[0027] Referring to Figure 1 , the lifting assembly includes a driving motor 16 fixed at the top end of the L-shaped plate 2, the output bottom end of the driving motor 16 is provided with a lead screw 17, a threaded plate 18 is fixedly arranged on the connecting rod 6, the threaded plate 18 is threadedly sleeved on the lead screw 17, a vertical rod 19 is further fixed between the moving trolley 1 and the L-shaped plate 2, the threaded plate 18 is slidably sleeved on the vertical rod 19, a bearing 20 is sleeved at the bottom end of the lead screw 17, and the bearing 20 is fixed on the moving trolley 1. The opening of the driving motor 16 drives the lead screw 17 to rotate, finally drives the threaded plate 18 to ascend and descend, drives the connecting rod 6 connected thereto to ascend and descend, and finally drives the bottom plate 4 to be pressed on the road surface, and the soft rubber layer 11 is extruded on the road surface, so that the recess 10 is in a sealed state.

[0028] Referring to Figure 1 , Figure 2 and Figure 4 , the bottom end of the moving trolley 1 is provided with universal wheels 21 at four corners, the outer side of the transparent pipe 7 is marked with scale lines, a water pump 22 is fixedly arranged on the outer wall of the water tank 3, the water pump 22 is provided with a water suction pipe and a water outlet pipe 23, the water suction pipe penetrates into the bottom of the water tank 3, the water outlet pipe 23 and the transparent pipe 7 are connected through a hose 24, the L-shaped plate 2 is provided with a controller 25 connecting the water pump 22 and the driving motor 16, the controller 25 is provided with a key, the top end of the water tank 3 is provided with a water inlet pipe 26 with a control valve, the water pump 22 can discharge the water in the water tank 3 into the transparent pipe 7, and the water pump 22 is provided with a key.

[0029] In specific work, the designed mobile vehicle 1 can move the components on it as a whole, and finally the bottom plate 4 can be moved to any place for detection. The design of the lifting assembly can press the bottom plate 4 tightly on the road surface, and the soft rubber layer 11 is extruded on the road surface, so that the inside of the groove 10 is in a sealed state to prevent water inside from flowing to the outside of the road surface, affecting the final detection result. Water is injected into the transparent tube 7, the water in the transparent tube 7 flows into the funnel 9 through the water dropper 8, and finally flows into the groove 10, gradually permeating the ground, and finally observing the height of the water level in the transparent tube to obtain the water permeability. On the inclined road surface, the design of the movable part, the transparent tube 7 swings relative to the top plate 5 under the weight of the water added by itself, so that the liquid level in the transparent tube 7 is always in a horizontal state, which is convenient for accurate reading of the liquid level. However, the water in the transparent tube flows into the groove, gradually permeates the ground, and the amount of water permeated by the road surface per unit time is calculated by checking the decrease of the liquid level in the transparent tube 7 after a certain period of time.

[0030] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pavement permeability testing device, characterized in that: The utility model provides mobile car (1), mobile car (1) is fixed with L type board (2) on, L type board (2) top end is fixed with water tank (3), mobile car (1) and L type board (2) between be provided with lifting assembly, the frame is provided on lifting assembly, the frame includes bottom plate (4) and top plate (5), a plurality of connecting rod (6) are fixed between bottom plate (4) and top plate (5), bottom plate (4) and top plate (5) between be provided with transparent tube (7), the top of transparent tube (7) is set in the bottom of top plate (5) through movable element, transparent tube (7) bottom end is connected with drip pipe (8), bottom plate (4) top end is fixed with funnel (9), the recess (10) is seted up in bottom plate (4) bottom end, funnel (9) with recess (10) inside is communicated, bottom plate (4) bottom end is provided with soft rubber layer (11).

2. The road surface water permeability detection device according to claim 1, characterized in that: The outer surface of the drip pipe (8) is fixedly sleeved with a counterweight ring (12), the movable element includes a cylinder (13) fixed to the top of the transparent tube (7), and a circular ring (14) is fixed to the top of the cylinder (13).

3. The road surface water permeability detection device according to claim 2, characterized in that: The bottom of the top plate (5) is fixedly provided with a secondary circular ring (15), and the circular ring (14) is connected with the secondary circular ring (15) in a buckling mode.

4. The road surface water permeability detection device according to claim 3, characterized in that: The lifting assembly comprises a driving motor (16) fixed to the top of the L-shaped plate (2), an output bottom of the driving motor (16) is provided with a lead screw (17), a threaded plate (18) is fixed to the connecting rod (6), and the threaded plate (18) is threadedly sleeved on the lead screw (17).

5. The road surface water permeability detection device according to claim 4, characterized in that: The mobile car (1) and the L-shaped plate (2) are further fixedly provided with a vertical rod (19), the threaded plate (18) is slidably sleeved on the vertical rod (19), the bottom of the lead screw (17) is sleeved with a bearing (20), and the bearing (20) is fixed to the mobile car (1).

6. The road surface water permeability detection device according to claim 5, characterized in that: The bottom of the mobile car (1) is provided with universal wheels (21) at four corners, and the outer side of the transparent tube (7) is marked with scale lines.

7. The road surface water permeability detection device according to claim 6, characterized in that: A water pump (22) is fixed to the outer wall of the water tank (3), the water pump (22) is provided with a water suction pipe and a water outlet pipe (23), the water suction pipe penetrates into the bottom of the water tank (3), and the water outlet pipe (23) and the transparent tube (7) are connected through a hose (24). 8.The road surface water permeability detection device according to claim 7, characterized in that: The L-shaped plate (2) is provided with a controller (25) connected with the water pump (22) and the driving motor (16), the controller (25) is provided with a key, and the top of the water tank (3) is provided with a water inlet pipeline (26) with a control valve.