Pavement water permeability detection device and detection method thereof

Abstract

The invention discloses a pavement water seepage performance detection device and a detection method thereof, the pavement water seepage performance detection device comprises a lower convex bearing frame and a height adjusting mechanism, the height adjusting mechanism is arranged at the top of the lower convex bearing frame, and the invention relates to the technical field of pavement water seepage detection. According to the pavement water seepage performance detection device and the detection method thereof, a self-sealing attaching mechanism, a pre-cleaning mechanism and a shielding mechanism are arranged among a lower convex bearing frame, a bottom cover and a transparent plastic measuring cup, so that the device can be automatically attached to the ground through cooperation of the self-sealing attaching mechanism, the pre-cleaning mechanism and the shielding mechanism; and in the process of synchronously cleaning the detected ground and attaching the bottom cover to the ground in the attaching process, sealing mud is synchronously distributed between the bottom cover and the inner conical ring seat, and is screwed and flattened, so that the sealing mud is easily matched with the device for shaping, and the inner conical ring seat, the bottom cover and the ground are filled with the sealing mud to form rapid sealing.

Description

Technical Field

[0001] The present invention relates to the technical field of road surface seepage detection, and specifically to a device and a detection method for detecting the seepage performance of a road surface. Background Art

[0002] In the field of road construction, in order to avoid the easy damage of the internal structure of the road surface caused by rainwater infiltration, it is necessary to detect the seepage of the road surface after road construction, so as to timely discover seepage problems and repair them.

[0003] For seepage detection, a graduated cylinder combining a transparent measuring cup and a base is mostly used for seepage measurement. Before seepage measurement, to ensure the sealing between the device and the ground, in the prior art, the outline of the base is drawn on the ground with chalk, and sealing mud (such as putty) is smeared with a putty knife to a certain thickness within the outline and flattened, so as to press the base against the sealing mud for sealing and fitting by gravity.

[0004] In the prior art, although the device adopts the sealing mud sealing method, which can improve the detection sealing performance of the device for seepage, it still has deficiencies in actual use inevitably. Among them, the above-mentioned manual repeated smearing, flattening and shaping to seal the gap between the sealing mud, the device and the ground have complicated processes and high labor loads, resulting in time-consuming and laborious problems during the sealing use of the device. Therefore, a device and a detection method for detecting the seepage performance of a road surface are proposed to solve the existing problems. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a device and a detection method for detecting the seepage performance of a road surface, which solve the problem that the manual shaping and sealing of the device and the sealing mud make the use of the device time-consuming and laborious.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A device for detecting the seepage performance of a road surface includes a downwardly convex bearing frame and a height adjusting mechanism. The height adjusting mechanism is arranged on the top of the downwardly convex bearing frame. The top of the downwardly convex bearing frame is rotatably connected with a threaded shaft through a bearing. An internally threaded groove ring plate is threadedly connected to the surface of the threaded shaft. A bottom cover is slidably connected inside the internally threaded groove ring plate. A transparent plastic measuring cup is communicated with the top of the bottom cover. A self-sealing and fitting mechanism is arranged at the bottom of the bottom cover. A pre-cleaning mechanism is arranged on the top of the downwardly convex bearing frame. A shielding mechanism is arranged on the top of the downwardly convex bearing frame and behind the transparent plastic measuring cup.

[0007] Preferably, the self-sealing fitting mechanism includes L-shaped plates. There are two L-shaped plates, which are respectively fixedly arranged on the front side and the rear side of the bottom cover. The bottoms of the two L-shaped plates are fixedly connected with a hollow bottom plate. An inner conical ring seat matching the bottom cover is fixedly connected inside the hollow bottom plate. An outer toothed ring plate is rotatably arranged on the top of the hollow bottom plate. An inner toothed ring cover is fixedly connected inside the outer toothed ring plate. A plurality of extrusion boxes are fixedly connected around the surface of the inner toothed ring cover through opening installation grooves at equal intervals. A sealing plate is installed on the top of the extrusion box through bolts. A pressing block is slidably connected inside the extrusion box, and a push rod is fixedly connected to the surface of the pressing block. One end of the push rod extends to the outside of the extrusion box. A first electric telescopic rod is fixedly arranged on the surface of the extrusion box, and the extending end of the first electric telescopic rod is fixedly connected to the surface of the push rod through a bracket. A servo motor is fixedly connected to the top of the hollow bottom plate. A first gear meshing with the outer toothed ring plate is installed on the surface of the output shaft of the servo motor. A second gear meshing with the first gear is slidably connected to the surface of the threaded shaft, and the bottom of the second gear is rotatably arranged on the top of the hollow bottom plate through a bearing and a bracket. An outer toothed sleeve is rotatably connected to the outer wall of the bottom cover and inside the inner toothed ring cover through a bearing. A vertical rod is rotatably connected to the bottom of the bent part of the L-shaped plate, and a third gear meshing with the inner toothed ring cover and the outer toothed sleeve is fixedly connected to the bottom of the vertical rod. An inner threaded cylinder is rotatably connected to the inside of the outer toothed sleeve through an opening installation groove. A threaded rod is threadedly connected to the inside of the inner threaded cylinder, and one end of the threaded rod extends to the bottom of the outer toothed sleeve. A shaping pressing ring is fixedly connected to the end of the threaded rod extending to the bottom of the outer toothed sleeve. A slave gear is fixedly connected to the surface of the inner threaded cylinder. A master gear meshing with the slave gear is fixedly connected to the surface of the bottom cover. Slide groove frames are fixedly connected to both sides of the bottom cover. A sliding support plate is slidably connected to the inside of the slide groove frame. A first return spring is fixedly connected between the sliding support plate and the slide groove frame. The two sliding support plates are respectively fixedly connected to both sides of the inner cavity of the inner threaded groove ring plate on the opposite sides. Guide sliding grooves are opened on both sides of the threaded shaft. Guide sliding blocks slidably adapted to the guide sliding grooves are fixedly connected to both sides of the inner cavity of the second gear.

[0008] Preferably, the pre-sweeping mechanism includes a vertical column rotatably arranged on the top of the lower convex bearing frame. The top of the lower convex bearing frame is rotatably connected with a horizontal column through a bracket and a bearing. Bevel gears that mesh with each other are fixedly connected to the surfaces of the horizontal column and the vertical column. A fourth gear is fixedly connected to the surface of the horizontal column. One side of the internally threaded groove ring plate is fixedly connected with a toothed plate that meshes with the fourth gear through a bracket. The bottom end of the vertical column extends to the bottom of the lower convex bearing frame. A brush plate is fixedly connected to the front side of the vertical column and at the bottom of the lower convex bearing frame. A ratchet wheel is fixedly connected to the surface of the vertical column. A storage box is fixedly connected to the top of the lower convex bearing frame. A pawl that is used in cooperation with the ratchet wheel is slidably connected to the inside of the storage box, and a second return spring is fixedly connected between the pawl and the storage box.

[0009] Preferably, the shielding mechanism includes a receiving plate. There are two receiving plates, and the two receiving plates are respectively fixedly arranged on both sides of the transparent plastic measuring cup. A sliding frame is slidably connected to the surface of the receiving plate. A shielding plate is fixedly connected to the top of the sliding frame. Guide sliding frames are fixedly connected to both sides of the top of the lower convex bearing frame through brackets. A guide roller that is used in cooperation with the guide sliding frame is rotatably connected to the rear side of the shielding plate through a bearing.

[0010] Preferably, the height adjustment mechanism includes a bent frame. There are two bent frames, and the two bent frames are respectively fixedly arranged on both sides of the top of the lower convex bearing frame. A second electric telescopic rod is fixedly connected to the bottom of the bent part of the bent frame. The bottom of the extending end of the second electric telescopic rod is fixedly connected with a U-shaped frame, and the bottom of the U-shaped frame extends to the bottom of the lower convex bearing frame. Pulleys are arranged on the front side and the rear side of the bottom of the U-shaped frame.

[0011] Preferably, an annular sliding groove is formed in the top of the lower convex bearing frame. An annular rotating plate is rotatably connected to the inside of the annular sliding groove. A plurality of support columns are fixedly connected to the top of the annular rotating plate at equal intervals around the circumference, and the top of the support column is fixedly connected to the bottom of the external toothed ring plate.

[0012] Preferably, a limiting sliding shaft is fixedly connected to the top of the lower convex bearing frame. A limiting through hole that is slidably adapted to the limiting sliding shaft is formed in the top of the internally threaded groove ring plate.

[0013] Preferably, a limiting sliding rod is fixedly connected to the top of the shaping pressure ring. A limiting through groove that is slidably adapted to the limiting sliding rod is formed in the inside of the external toothed sleeve.

[0014] The present invention also discloses a method for detecting the water seepage performance of a road surface, which specifically includes the following steps: S1. Detection of ground cleaning: Lower the bottom cover by means of the internally threaded groove ring plate, causing the internally threaded groove ring plate to be linked with the pre-cleaning mechanism, and causing the brush plate to pre-clean and rotate 180 degrees to pre-clean the detection ground on the right side; S2. Sealing and fitting: Lower the bottom cover by means of the internally threaded groove ring plate, and through the elastic pressing cooperation of the internally threaded groove ring plate with the sliding support plate and the first return spring, during the process of the internally threaded groove ring plate and the bottom cover descending, the extrusion box can apply circumferential sealing mud cloth to the annular gap between the inner conical ring seat and the bottom cover, and during the process of the bottom cover closely adhering to the ground, the shaping pressing ring simultaneously presses and twists and smooths the sealing mud dispersed between the inner conical ring seat and the bottom cover, causing the sealing mud to form an annular sealing strip and being located between the ground, the inner conical ring seat and the bottom cover; S3. Shield unfolding: The descent of the bottom cover synchronously drives the descent of the transparent plastic measuring cup, causing the shielding plate in the shielding mechanism to be able to follow the preset inclined trajectory between the guiding roller and the guiding sliding frame, and causing the shielding plate to automatically unfold when the descent of the transparent plastic measuring cup is completed; S4. Water seepage detection: Subsequently, add water into the transparent plastic measuring cup. After the water addition is completed, open the valve on the front side of the transparent plastic measuring cup to connect the transparent plastic measuring cup with the bottom cover. After water starts to flow between the bottom cover and the ground, open the exhaust valve at the top of the bottom cover, and close it after water comes out of the exhaust valve. Beneficial effects

[0015] The present invention provides a device for detecting the water seepage performance of a road surface and its detection method. Compared with the existing technology, it has the following beneficial effects: (1) For the device for detecting the water seepage performance of a road surface and its detection method, by arranging a self-sealing and fitting mechanism, a pre-cleaning mechanism and a shielding mechanism between the downward convex bearing frame, the bottom cover and the transparent plastic measuring cup, the device can self-fit to the ground through the coordinated cooperation of the self-sealing and fitting mechanism, the pre-cleaning mechanism and the shielding mechanism, and during the fitting process, the detection ground is synchronously cleaned, and during the process of the bottom cover fitting to the ground, the sealing mud is synchronously applied between the bottom cover and the inner conical ring seat, and the sealing mud is twisted and flattened, causing the sealing mud to be easily shaped to match the device and filling the space between the inner conical ring seat, the bottom cover and the ground to form a quick seal, and when the transparent plastic measuring cup is ready to be used, the shielding on the top of the transparent plastic measuring cup is automatically unfolded synchronously.

[0016] (2) For the device for detecting the water seepage performance of a road surface and its detection method, by setting the inner conical ring seat to be inner conical, after the sealing mud is pressed by the shaping pressing ring, the sealing mud is more likely to fill the space between the inner conical ring seat and the bottom cover.

[0017] (3) The pavement seepage performance detection device and its detection method install the sealing plate on the top of the extrusion box through bolts, making the sealing plate easy to disassemble, so that when in subsequent use, an appropriate amount of sealing mud can be easily filled into the interior of the extrusion box.

[0018] (4) The pavement seepage performance detection device and its detection method have four corners of the bottom of the lower convex bearing frame protruding, so that when the lower convex bearing frame contacts the ground through the protruding parts, the brush parts of the brush plates can be attached to the ground for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the external structure of the present invention; Figure 2 is a schematic diagram of the internal structure of the bottom cover of the present invention; Figure 3 is a schematic diagram of another perspective of the internal structure of the bottom cover of the present invention; Figure 4 is of the present invention Figure 2 a partial enlarged view of part A; Figure 5 is of the present invention Figure 2 a partial enlarged view of part B; Figure 6 is an exploded view of the extrusion box and the sealing plate structure of the present invention; Figure 7 is a schematic diagram of the self-sealing and fitting mechanism structure of the present invention; Figure 8 is a schematic diagram of the internal structure of the external gear sleeve of the present invention; Figure 9 is a schematic diagram of the lower convex bearing frame structure of the present invention; Figure 10 is a schematic diagram (one) of the pre-cleaning mechanism structure of the present invention; Figure 11 is a schematic diagram (two) of the pre-cleaning mechanism structure of the present invention; Figure 12 is a schematic diagram (three) of the pre-cleaning mechanism structure of the present invention; Figure 13 is a schematic diagram of the shielding mechanism structure of the present invention.

[0020] In the figure: 1, lower convex bearing frame; 2, height adjustment mechanism; 201, bending frame; 202, second electric telescopic rod; 203, U-shaped frame; 204, pulley; 3, threaded shaft; 4, internal thread groove ring plate; 5, bottom cover; 6, transparent plastic measuring cup; 7, self-sealing bonding mechanism; 701, L-shaped plate; 702, hollow bottom plate; 703, inner cone ring seat; 704, outer tooth ring plate; 705, inner tooth ring cover; 706, extrusion box; 707, sealing plate; 708, pressing block; 709, push rod; 710, first electric telescopic rod; 711, servo motor; 712, first gear; 713, second gear; 714, outer gear sleeve; 715, vertical rod; 716, third gear; 717, internal thread cylinder; 718, threaded rod; 719, shaping pressure ring ;720, slave gear;721, main gear;722, slide frame;723, sliding support plate;724, first return spring;725, annular slide;726, annular rotating plate;727, support column;728, guide slide;729, guide slider;8, pre-cleaning mechanism;801, column;802, cross column;803, bevel gear;804, fourth gear;805, tooth plate;806, brush plate;807, ratchet;808, storage box;809, pawl;810, second return spring;9, shielding mechanism;901, receiving plate;902, slide;903, shielding plate;904, guide slide frame;905, guide roller;10, limit sliding shaft;11, limit opening;12, limit slide rod;13, limit slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-13The present invention provides a technical solution: a road surface water seepage performance detection device, comprising a lower convex bearing frame 1 and a height adjustment mechanism 2, the height adjustment mechanism 2 is arranged at the top of the lower convex bearing frame 1, the top of the lower convex bearing frame 1 is rotatably connected with a threaded shaft 3 through a bearing, the surface of the threaded shaft 3 is threadedly connected with an internal thread groove ring plate 4, the inner part of the internal thread groove ring plate 4 is slidably connected with a bottom cover 5, the top of the bottom cover 5 is connected with a transparent plastic measuring cup 6, the top of the lower convex bearing frame 1 is fixedly connected with a limited sliding shaft 10, the top of the internal thread groove ring plate 4 is provided with a limiting opening 11 slidably matched with the limiting sliding shaft 10, the height adjustment mechanism 2 comprises a bending frame 201, two bending frames 201 are provided, and the two bending frames 201 are respectively fixedly arranged on the lower convex bearing frame. On both sides of the top of the carrier 1, the bottom of the bending part of the bending frame 201 is fixedly connected with a second electric telescopic rod 202, and the bottom of the extended end of the second electric telescopic rod 202 is fixedly connected with a U-shaped frame 203, and the bottom of the U-shaped frame 203 extends to the bottom of the lower convex carrier frame 1, and the front and rear sides of the bottom of the U-shaped frame 203 are provided with pulleys 204. As a detailed explanation: a valve is provided on the front side of the transparent plastic measuring cup 6, and an exhaust valve is provided on the top of the bottom cover 5. The sealing mud of this device adopts putty, which is an adhesive used to seal, preserve something or prevent moisture or air infiltration. Putty, also known as putty, is a commonly used sealing and filling material. In water seepage detection, putty can be used as a sealing material to help identify and repair leaks.

[0023] As a preferred embodiment, in order to facilitate the automatic sealing and reinforcement of the device, a self-sealing and fitting mechanism 7 is provided at the bottom of the bottom cover 5. The self-sealing and fitting mechanism 7 includes an L-shaped plate 701. There are two L-shaped plates 701, and the two L-shaped plates 701 are respectively fixedly arranged on the front side and the rear side of the bottom cover 5. The bottoms of the two L-shaped plates 701 are fixedly connected to a hollow bottom plate 702. An inner conical ring seat 703 that is used in cooperation with the bottom cover 5 is fixedly connected inside the hollow bottom plate 702. An outer toothed ring plate 704 is rotatably arranged on the top of the hollow bottom plate 702. An inner toothed ring cover 705 is fixedly connected inside the outer toothed ring plate 704. A plurality of extrusion boxes 706 are fixedly connected to the surface of the inner toothed ring cover 705 at equal intervals by opening installation grooves. A sealing plate 707 is installed on the top of the extrusion box 706 by bolts. A pressing block 708 is slidably connected inside the extrusion box 706, and a push rod 709 is fixedly connected to the surface of the pressing block 708. One end of the push rod 709 extends to the outside of the extrusion box 706. A first electric telescopic rod 710 is fixedly arranged on the surface of the extrusion box 706, and the extending end of the first electric telescopic rod 710 is fixedly connected to the surface of the push rod 709 through a bracket. A servo motor 711 is fixedly connected to the top of the hollow bottom plate 702. A first gear 712 that meshes with the outer toothed ring plate 704 is installed on the surface of the output shaft of the servo motor 711. A second gear 713 that meshes with the first gear 712 is slidably connected to the surface of the threaded shaft 3, and the bottom of the second gear 713 is rotatably arranged on the top of the hollow bottom plate 702 through a bearing and a bracket. An outer toothed sleeve 714 is rotatably connected to the inner wall of the bottom cover 5 and inside the inner toothed ring cover 705 through a bearing. A vertical rod 715 is rotatably connected to the bottom of the bent part of the L-shaped plate 701, and a third gear 716 that meshes with the inner toothed ring cover 705 and the outer toothed sleeve 714 is fixedly connected to the bottom of the vertical rod 715. An inner threaded cylinder 717 is rotatably connected to the inside of the outer toothed sleeve 714 by opening an installation groove. A threaded rod 718 is threadedly connected to the inside of the inner threaded cylinder 717, and one end of the threaded rod 718 extends to the bottom of the outer toothed sleeve 714. A shaping pressing ring 719 is fixedly connected to the end of the threaded rod 718 that extends to the bottom of the outer toothed sleeve 714. A slave gear 720 is fixedly connected to the surface of the inner threaded cylinder 717. A main gear 721 that meshes with the slave gear 720 is fixedly connected to the surface of the bottom cover 5. A chute frame 722 is fixedly connected to both sides of the bottom cover 5. A sliding support plate 723 is slidably connected to the inside of the chute frame 722. A first return spring 724 is fixedly connected between the sliding support plate 723 and the chute frame 722. The two sliding support plates 723 are respectively fixedly connected to both sides of the inner cavity of the inner threaded groove ring plate 4 on the opposite sides. Guide chute grooves 728 are opened on both sides of the threaded shaft 3. Guide sliding blocks 729 that are slidably adapted to the guide chute grooves 728 are fixedly connected to both sides of the inner cavity of the second gear 713; The top of the downwardly convex bearing frame 1 is provided with an annular sliding groove 725. An annular rotating plate 726 is rotatably connected inside the annular sliding groove 725. The top of the annular rotating plate 726 is fixedly connected with a plurality of support columns 727 at equal intervals around it, and the top of the support column 727 is fixedly connected with the bottom of the external tooth ring plate 704. The top of the shaping pressure ring 719 is fixedly connected with a limit sliding rod 12, and a limit through groove 13 that is slidably adapted to the limit sliding rod 12 is opened inside the external tooth sleeve 714.

[0024] As a preferred embodiment, in order to facilitate pre-cleaning of the detection ground, a pre-cleaning mechanism 8 is provided on the top of the downwardly convex bearing frame 1. The pre-cleaning mechanism 8 includes a vertical column 801. The vertical column 801 is rotatably arranged on the top of the downwardly convex bearing frame 1. The top of the downwardly convex bearing frame 1 is rotatably connected with a horizontal column 802 through a bracket and a bearing. Bevel gears 803 that mesh with each other are fixedly connected to the surfaces of the horizontal column 802 and the vertical column 801. A fourth gear 804 is fixedly connected to the surface of the horizontal column 802. One side of the internal thread groove ring plate 4 is fixedly connected with a tooth plate 805 that meshes with the fourth gear 804 through a bracket. The bottom end of the vertical column 801 extends to the bottom of the downwardly convex bearing frame 1. A brush plate 806 is fixedly connected to the front side of the vertical column 801 and at the bottom of the downwardly convex bearing frame 1. A ratchet wheel 807 is fixedly connected to the surface of the vertical column 801. A storage box 808 is fixedly connected to the top of the downwardly convex bearing frame 1. A pawl 809 that is used in cooperation with the ratchet wheel 807 is slidably connected inside the storage box 808, and a second return spring 810 is fixedly connected between the pawl 809 and the storage box 808.

[0025] As a preferred embodiment, in order to facilitate flexible switching of the shielding state of the transparent plastic measuring cup 6, a shielding mechanism 9 is provided on the top of the downwardly convex bearing frame 1 and behind the transparent plastic measuring cup 6. The shielding mechanism 9 includes a receiving plate 901. There are two receiving plates 901, and the two receiving plates 901 are respectively fixedly arranged on both sides of the transparent plastic measuring cup 6. A sliding frame 902 is slidably connected to the surface of the receiving plate 901. A shielding plate 903 is fixedly connected to the top of the sliding frame 902. Guide sliding frames 904 are fixedly connected to both sides of the top of the downwardly convex bearing frame 1 through brackets. A guide roller 905 that is used in cooperation with the guide sliding frame 904 is rotatably connected to the rear side of the shielding plate 903.

[0026] The present invention also discloses a method for detecting the water seepage performance of a road surface, which specifically includes the following steps: S1. Detection ground cleaning: Lower the bottom cover 5 through the internal thread groove ring plate 4, so that the internal thread groove ring plate 4 is linked with the pre-cleaning mechanism 8, and the brush plate 806 is driven to pre-clean and rotate 180 degrees to pre-clean the detection ground on the right side; The specific steps are as follows: After the device moves to the detection road surface, first, by the retraction of the extension end of the second electric telescopic rod 202, the four convex surfaces at the bottom of the lower convex bearing frame 1 are made to fit with the ground. Subsequently, the servo motor 711 is started, and the servo motor 711 drives the first gear 712 and the second gear 713 to mesh, causing the threaded shaft 3 to rotate. As the threaded shaft 3 rotates, the internal thread groove ring plate 4 on its surface drives the bottom cover 5, the hollow bottom plate 702, and the inner conical ring seat 703 to approach the ground. When the internal thread groove ring plate 4 descends, it drives the tooth plate 805 to mesh with the fourth gear 804, causing the cross column 802 to rotate synchronously. As the cross column 802 rotates, through the meshing of two bevel gears 803, the column 801 drives the brush plate 806 to rotate 180 degrees from front to back, completing the preliminary cleaning of the detection road surface. At the same time as the corresponding brush plate 806 completes the cleaning, the meshing stroke between the fourth gear 804 and the tooth plate 805 is disengaged; S2. Sealing and fitting: By the internal thread groove ring plate 4 carrying the bottom cover 5 to descend, and through the elastic pressing cooperation of the internal thread groove ring plate 4 with the sliding support plate 723 and the first return spring 724, during the process of the internal thread groove ring plate 4 and the bottom cover 5 descending, the extrusion box 706 can apply circumferential sealing mud material to the annular gap between the inner conical ring seat 703 and the bottom cover 5. And during the process of the bottom cover 5 closely adhering to the ground, the shaping pressing ring 719 simultaneously presses and twists and smooths the sealing mud dispersed between the inner conical ring seat 703 and the bottom cover 5, causing the sealing mud to form an annular sealing strip and be located between the ground, the inner conical ring seat 703, and the bottom cover 5; The specific steps are as follows: Along with the continuous rotation of the threaded shaft 3, the internal thread groove ring plate 4 simultaneously drives the bottom cover 5 and the inner conical ring seat 703 to fit with the ground. At the same time, the first electric telescopic rod 710 is started synchronously, causing the first electric telescopic rod 710 to drive the pressing block 708 through the push rod 709 to extrude the solid sealing mud inside the extrusion box 706. The extruded solid sealing mud falls into the gap between the inner conical ring seat 703 and the bottom cover 5. Secondly, during the period when the servo motor 711 drives the first gear 712 to rotate, the first gear 712 simultaneously meshes with the external tooth ring plate 704, causing the external tooth ring plate 704 to drive a plurality of extrusion boxes 706 to perform circumferential extrusion of the solid sealing mud; During the rotation of the internal gear ring cover 705, it meshes and cooperates with the third gear 716 and the external tooth sleeve 714 synchronously, prompting the external tooth sleeve 714 to drive the internal thread cylinder 717 to rotate circumferentially. During the rotation of the internal thread cylinder 717, the slave gear 720 on its surface will mesh with the fixedly arranged master gear 721, prompting the threaded rod 718 in the internal thread cylinder 717 to drive the shaping pressing ring 719 to extend downward synchronously while moving circumferentially. Along with the downward extension of the shaping pressing ring 719, the shaping pressing ring 719 will approach the gap between the internal conical ring seat 703 and the bottom cover 5. Correspondingly, at this time, the internal thread groove ring plate 4 drives the bottom cover 5 and the internal conical ring seat 703 to fit with the ground. Along with the continuous descent of the internal thread groove ring plate 4, the internal thread groove ring plate 4 will elastically press the bottom cover 5 through the elastic cooperation of the sliding support plate 723 and the first return spring 724; During the process that the internal thread groove ring plate 4 descends to elastically press the bottom cover 5, the shaping pressing ring 719 continuously rotates and descends. During the rotation and descent of the shaping pressing ring 719, it synchronously twists and presses the solid sealing mud between the annular gap of the internal conical ring seat 703 and the bottom cover 5, prompting the sealing mud for multi-point cloth placement to form a ring through the twisting and pressing with the internal conical ring seat 703 and finally maintain the seal between the ground, the internal conical ring seat 703 and the bottom cover 5; S3. Shield deployment: The descent of the bottom cover 5 drives the transparent plastic measuring cup 6 to descend synchronously, prompting the shielding plate 903 in the shielding mechanism 9 to be able to follow the preset inclined trajectory between the guiding roller 905 and the guiding sliding frame 904, so that when the descent of the transparent plastic measuring cup 6 is completed, the shielding plate 903 automatically unfolds; The specific steps are as follows: The descent of the bottom cover 5 drives the transparent plastic measuring cup 6 to descend synchronously. The transparent plastic measuring cup 6 drives the receiving plate 901 and the shielding plate 903 to descend synchronously. The shielding plate 903 drives the guiding roller 905 to slide inside the guiding sliding frame 904. After the bottom cover 5 is hermetically attached to the ground, correspondingly, the guiding roller 905 will follow the inclined trajectory of the guiding sliding frame 904 and drive the shielding plate 903 to disengage from shielding the transparent plastic measuring cup 6; S4. Water seepage detection: Then add water into the transparent plastic measuring cup 6. After the water addition is completed, open the valve on the front side of the transparent plastic measuring cup 6 to connect the transparent plastic measuring cup 6 with the bottom cover 5. After the water starts to flow between the bottom cover 5 and the ground, open the exhaust valve at the top of the bottom cover 5 and close it after the exhaust valve emits water.

Claims

1. A pavement seepage performance detection device, comprising a downwardly convex bearing frame (1) and a height adjustment mechanism (2), wherein the height adjustment mechanism (2) is arranged at the top of the downwardly convex bearing frame (1), and is characterized in that: The top of the downwardly convex bearing frame (1) is rotatably connected with a threaded shaft (3) through a bearing. The surface of the threaded shaft (3) is threadedly connected with an internally threaded groove ring plate (4). The inside of the internally threaded groove ring plate (4) is slidably connected with a bottom cover (5). The top of the bottom cover (5) is communicated with a transparent plastic measuring cup (6). The bottom of the bottom cover (5) is provided with a self-sealing fitting mechanism (7). The top of the downwardly convex bearing frame (1) is provided with a pre-cleaning mechanism (8). The top of the downwardly convex bearing frame (1) and behind the transparent plastic measuring cup (6) is provided with a shielding mechanism (9).

2. The pavement seepage performance detection device according to claim 1, characterized in that: The self-sealing fitting mechanism (7) includes an L-shaped plate (701). There are two L-shaped plates (701), and the two L-shaped plates (701) are respectively fixedly arranged on the front side and the rear side of the bottom cover (5). The bottoms of the two L-shaped plates (701) are fixedly connected to a hollow bottom plate (702) in common. An inner conical ring seat (703) used in cooperation with the bottom cover (5) is fixedly connected inside the hollow bottom plate (702). An outer tooth ring plate (704) is rotatably arranged on the top of the hollow bottom plate (702). An inner tooth ring cover (705) is fixedly connected inside the outer tooth ring plate (704). A plurality of extrusion boxes (706) are fixedly connected to the surface of the inner tooth ring cover (705) at equal intervals by opening mounting grooves. A sealing plate (707) is installed on the top of the extrusion box (706) by bolts. A pressing block (708) is slidably connected inside the extrusion box (706), and a push rod (709) is fixedly connected to the surface of the pressing block (708). One end of the push rod (709) extends to the outside of the extrusion box (706). A first electric telescopic rod (710) is fixedly arranged on the surface of the extrusion box (706), and the extending end of the first electric telescopic rod (710) is fixedly connected to the surface of the push rod (709) through a bracket. A servo motor (711) is fixedly connected to the top of the hollow bottom plate (702). A first gear (712) meshing with the outer tooth ring plate (704) is installed on the surface of the output shaft of the servo motor (711). A second gear (713) meshing with the first gear (712) is slidably connected to the surface of the threaded shaft (3), and the bottom of the second gear (713) is rotatably arranged on the top of the hollow bottom plate (702) through a bearing and a bracket. An outer tooth sleeve (714) is rotatably connected to the outer wall of the bottom cover (5) inside the inner tooth ring cover (705) through a bearing. A vertical rod (715) is rotatably connected to the bottom of the bent part of the L-shaped plate (701), and a third gear (716) meshing with the inner tooth ring cover (705) and the outer tooth sleeve (714) is fixedly connected to the bottom of the vertical rod (715). An inner threaded cylinder (717) is rotatably connected to the inside of the outer tooth sleeve (714) by opening a mounting groove. A threaded rod (718) is threadedly connected to the inside of the inner threaded cylinder (717), and one end of the threaded rod (718) extends to the bottom of the outer tooth sleeve (714). A shaping pressing ring (719) is fixedly connected to the end of the threaded rod (718) extending to the bottom of the outer tooth sleeve (714). A slave gear (720) is fixedly connected to the surface of the inner threaded cylinder (717). A master gear (721) meshing with the slave gear (720) is fixedly connected to the surface of the bottom cover (5). Slide groove frames (722) are fixedly connected to both sides of the bottom cover (5). A sliding support plate (723) is slidably connected to the inside of the slide groove frame (722). A first return spring (724) is fixedly connected between the sliding support plate (723) and the slide groove frame (722).On the opposite sides of the two sliding support plates (723), they are respectively fixedly connected to both sides of the inner cavity of the internal thread groove ring plate (4). On both sides of the threaded shaft (3), guiding sliding grooves (728) are provided. On both sides of the inner cavity of the second gear (713), guiding sliding blocks (729) which are slidably adapted to the guiding sliding grooves (728) are fixedly connected.

3. The pavement seepage performance detection device according to claim 1, characterized in that: The pre-cleaning mechanism (8) includes a vertical column (801). The vertical column (801) is rotatably arranged on the top of the downwardly convex bearing frame (1). The top of the downwardly convex bearing frame (1) is rotatably connected with a horizontal column (802) through a bracket and a bearing. The surfaces of the horizontal column (802) and the vertical column (801) are fixedly connected with bevel gears (803) that mesh with each other. The surface of the horizontal column (802) is fixedly connected with a fourth gear (804). One side of the internally threaded groove ring plate (4) is fixedly connected with a toothed plate (805) that meshes with the fourth gear (804) through a bracket. The bottom end of the vertical column (801) extends to the bottom of the downwardly convex bearing frame (1). The front side of the vertical column (801) and at the bottom of the downwardly convex bearing frame (1) is fixedly connected with a brush plate (806). The surface of the vertical column (801) is fixedly connected with a ratchet wheel (807). The top of the downwardly convex bearing frame (1) is fixedly connected with a storage box (808). The inside of the storage box (808) is slidably connected with a pawl (809) that is used in cooperation with the ratchet wheel (807). And a second return spring (810) is fixedly connected between the pawl (809) and the storage box (808).

4. The pavement seepage performance detection device according to claim 1, characterized in that: The shielding mechanism (9) includes a receiving plate (901). There are two receiving plates (901), and the two receiving plates (901) are respectively fixedly arranged on both sides of the transparent plastic measuring cup (6). The surface of the receiving plate (901) is slidably connected with a sliding frame (902). The top of the sliding frame (902) is fixedly connected with a shielding plate (903). Both sides of the top of the downwardly convex bearing frame (1) are fixedly connected with guiding sliding frames (904) through brackets. The rear side of the shielding plate (903) is rotatably connected with a guiding roller (905) that is used in cooperation with the guiding sliding frame (904) through a bearing.

5. The pavement seepage performance detection device according to claim 1, characterized in that: The height adjustment mechanism (2) includes a bent frame (201). There are two bent frames (201), and the two bent frames (201) are respectively fixedly arranged on both sides of the top of the downwardly convex bearing frame (1). The bottom of the bent part of the bent frame (201) is fixedly connected with a second electric telescopic rod (202). The bottom of the extending end of the second electric telescopic rod (202) is fixedly connected with a U-shaped frame (203). And the bottom of the U-shaped frame (203) extends to the bottom of the downwardly convex bearing frame (1). Pulleys (204) are arranged on the front side and the rear side of the bottom of the U-shaped frame (203).

6. The pavement seepage performance detection device according to claim 2, characterized in that: The top of the downwardly convex bearing frame (1) is provided with an annular sliding groove (725), and an annular rotating plate (726) is rotatably connected inside the annular sliding groove (725). A plurality of support columns (727) are fixedly connected to the top of the annular rotating plate (726) at equal intervals around the circumference, and the top of the support column (727) is fixedly connected to the bottom of the external tooth ring plate (704).

7. A pavement seepage performance detection device according to claim 1, characterized in that: The top of the downwardly convex bearing frame (1) is fixedly connected with a limiting sliding shaft (10), and the top of the internally threaded groove ring plate (4) is provided with a limiting through hole (11) that is slidably adapted to the limiting sliding shaft (10).

8. The pavement seepage performance detection device according to claim 2, wherein: The top of the shaping pressing ring (719) is fixedly connected with a limiting sliding rod (12), and the inside of the external tooth sleeve (714) is provided with a limiting through groove (13) that is slidably adapted to the limiting sliding rod (12).

9. A method for detecting the water seepage performance of a road surface, characterized in that: Specifically, it includes the following steps: S1. Detection ground cleaning: The bottom cover (5) is lowered by the internally threaded groove ring plate (4), so that the internally threaded groove ring plate (4) is linked with the pre-cleaning mechanism (8), and the brush plate (806) pre-cleans and rotates 180 degrees in advance to pre-clean the detection ground on the right side; S2. Sealing and fitting: The bottom cover (5) is lowered by the internally threaded groove ring plate (4), and the internally threaded groove ring plate (4) is elastically pressed and matched through the sliding support plate (723) and the first return spring (724). During the process of the internally threaded groove ring plate (4) and the bottom cover (5) descending, the extrusion box (706) can apply circumferential sealing mud material to the annular gap between the inner conical ring seat (703) and the bottom cover (5). And during the process of the bottom cover (5) closely adhering to the ground, the shaping pressing ring (719) synchronously presses and twists and smooths the sealing mud scattered between the inner conical ring seat (703) and the bottom cover (5), so that the sealing mud forms an annular sealing strip and is located between the ground, the inner conical ring seat (703) and the bottom cover (5); S3. Shielding unfolding: The bottom cover (5) descends and synchronously drives the transparent plastic measuring cup (6) to descend, so that the shielding plate (903) in the shielding mechanism (9) can follow the preset inclined track between the guiding roller (905) and the guiding sliding frame (904). When the transparent plastic measuring cup (6) finishes descending, the shielding plate (903) automatically unfolds; S4. Water seepage detection: Then water is added into the transparent plastic measuring cup (6). After the water addition is completed, the valve on the front side of the transparent plastic measuring cup (6) is opened to connect the transparent plastic measuring cup (6) with the bottom cover (5). After water starts to flow between the bottom cover (5) and the ground, the exhaust valve on the top of the bottom cover (5) is opened, and it can be closed after the exhaust valve overflows with water.

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