Concrete water permeability test device

By using an annular rubber pad and sealing mechanism in the concrete water permeability test device, combined with a motor-driven gear system, the sealing problem is solved, the accuracy of the water permeability test and water pressure regulation are achieved, and water leakage is prevented.

CN223449751UActive Publication Date: 2025-10-17JINHUA RUI CHENG COMMODITY CONCRETE CO LTD
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Patent Information

Application Number
CN202422480598.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-10-17
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The existing permeable concrete testing device is difficult to ensure the sealing between the measuring tube and the concrete during measurement, resulting in water leakage and affecting the test results.

Method used

A concrete water permeability test device was designed. It adopted an annular rubber pad and a sealing mechanism. The elastic properties of the annular rubber pad were used to contact the concrete layer. Combined with the counterweight mechanism and the motor-driven gear meshing system, the sealing adjustment and water pressure control were achieved.

Benefits of technology

It effectively prevents water from leaking out from the sides, enhances the sealing effect, and can adjust the water pressure at different heights to test the water permeability, ensuring the accuracy of the test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete water permeability test device, which belongs to the technical field of concrete water permeability test, and comprises a water injection cylinder, the inner side of the water injection cylinder is movably connected with a telescopic cylinder, the bottom of the water injection cylinder is fixedly provided with a bottom plate, the bottom plate is arranged in a penetrating manner, and the bottom of the bottom plate is provided with a sealing mechanism. A sealing ring is fixedly mounted at the bottom of the telescopic cylinder and is in sliding connection with the inner wall of the water injection cylinder, a mounting plate is mounted on one side of the water injection cylinder, a motor is fixedly mounted at the top of the mounting plate, an output shaft of the motor is in transmission connection with the telescopic cylinder, and a counterweight mechanism is arranged on the water injection cylinder. By means of the elastic characteristic of the annular rubber pad, the annular rubber pad makes full contact with the concrete layer, water is prevented from leaking out through the side edge in the water permeability test, by means of the arrangement of the containing plate, the configuration of the device can be increased, and then the fitting degree of the annular rubber pad and the concrete layer is increased.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of concrete permeable test, concretely relates to a concrete permeable test device. BACKGROUND

[0002] The water-permeable concrete is a material composed of a skeleton formed by a series of porous structures connected with the outside air, has good water permeability compared with the hardened pavement, has unique advantages in creating good sound, light, heat and ecological environment, embodies the concept of "symbiosis with the environment", and is a main building material for "sponge city" construction.

[0003] The existing water-permeable concrete is difficult to ensure the sealing between the measuring cylinder and the concrete during the test detection, which leads to water leakage and affects the test results.

[0004] To solve the above problems, a concrete permeable test device is provided in the application. UTILITY MODEL CONTENTS

[0005] In view of the problems in the related art, the utility model provides a concrete permeable test device to overcome the above technical problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A concrete permeable test device, comprising a water injection cylinder, a telescopic cylinder movably connected to the inner side of the water injection cylinder, a bottom plate fixedly installed at the bottom of the water injection cylinder, the bottom plate being provided with a through hole, a sealing mechanism provided at the bottom of the bottom plate, a sealing ring fixedly installed at the bottom of the telescopic cylinder, the sealing ring being slidably connected with the inner wall of the water injection cylinder, an installation plate installed on one side of the water injection cylinder, a motor fixedly installed at the top of the installation plate, the output shaft of the motor being in transmission connection with the telescopic cylinder, a counterweight mechanism provided on the water injection cylinder, the counterweight mechanism being in cooperation with the sealing mechanism, a scale provided on the outer side of the water injection cylinder and the telescopic cylinder, and a water injection pipe installed on one side of the water injection cylinder.

[0008] Further, the sealing mechanism comprises an annular rubber pad, the bottom of the bottom plate is provided with an annular placing groove, the annular rubber pad is installed in the annular placing groove, and the bottom one-third of the annular rubber pad is located below the bottom plate.

[0009] The elastic property of the annular rubber pad enables the annular rubber pad to fully contact with the concrete layer, so as to prevent water from leaking out through the side edge during the water permeability test.

[0010] Further, the counterweight mechanism comprises four placement plates, the four placement plates are rotationally installed on the outside of the water injection cylinder, the outside of the water injection cylinder is slidably connected with a moving ring, the bottom of the moving ring is rotationally connected with four pull rods, the pull rods are rotationally connected with the corresponding placement plates, the outside of the water injection cylinder is threadedly connected with a rotating ring, and the rotating ring is threadedly connected with the water injection cylinder.

[0011] The rotating ring is threadedly connected with the water injection cylinder, so that the moving ring can be adjusted to ascend and descend, the moving ring drives the placement plates to change the angle through the pull rods, and then the placement plates can be laid flat to facilitate the placement of the counterweight and increase the sealing effect of the sealing mechanism.

[0012] Further, the outside of the water injection cylinder is provided with four limiting grooves, and the inside of the moving ring is fixedly installed with four symmetrically arranged limiting blocks, and the limiting blocks are slidably connected with the limiting grooves.

[0013] The limiting grooves and the limiting blocks are slidably connected, so that the moving ring and the water injection cylinder are limited, and the moving ring can only move up and down.

[0014] Further, the top of the water injection cylinder is rotationally connected with a positioning ring, and the positioning ring is threadedly connected with the telescopic cylinder.

[0015] The positioning ring is threadedly connected with the telescopic cylinder, so that the rotating positioning ring drives the telescopic cylinder to ascend and descend, and then the water permeability of the hydraulic concrete of different heights can be adjusted.

[0016] Further, the output shaft of the motor is fixedly installed with a driving gear, the bottom of the positioning ring is fixedly installed with an external gear ring, and the driving gear and the external gear ring are meshed with each other.

[0017] The driving gear and the external gear ring are meshed with each other, so that the output shaft of the motor can drive the positioning ring to rotate.

[0018] In summary, the technical effects and advantages of the utility model are as follows:

[0019] The elastic property of the annular rubber pad enables the annular rubber pad to fully contact with the concrete layer, so as to prevent water from leaking out through the side edge during the water permeability test, and the configuration of the device can be increased through the arrangement of the placement plates, and then the adhesion of the annular rubber pad and the concrete layer is increased.

[0020] The driving gear and the external gear ring are meshed with each other, and the positioning ring is threadedly connected with the telescopic cylinder, so that the output shaft of the motor can drive the telescopic cylinder to ascend and descend, and then the water permeability of the hydraulic concrete of different heights can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic view of the utility model;

[0022] Figure 2 It is the front view cross section structure schematic view of the utility model;

[0023] Figure 3 It is the structure schematic view of A part of the utility model.

[0024] In the drawing:

[0025] 1, water injection cylinder;2, telescopic cylinder;3, sealing ring;4, positioning ring;5, bottom plate;6, annular placement groove;7, annular rubber pad;8, water injection pipe;9, mounting plate;10, motor;11, driving gear;12, external gear ring;13, placement plate;14, rotating ring;15, moving ring;16, pull rod;17, limiting groove;18, limiting block;19, scale. DETAILED DESCRIPTION

[0026] 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, not all the embodiments.

[0027] Referring to Figures 1-3 A concrete water permeability test device, including water injection cylinder 1, water injection cylinder 1's inside swing joint has telescopic cylinder 2, water injection cylinder 1's bottom fixed mounting has bottom plate 5, bottom plate 5 is throughly arranged, bottom plate 5's bottom is equipped with sealing mechanism, telescopic cylinder 2's bottom fixed mounting has sealing ring 3, sealing ring 3 and water injection cylinder 1's inner wall slidingly connected, water injection cylinder 1's one side is installed with mounting plate 9, mounting plate 9's top fixed mounting has motor 10, motor 10's output shaft and telescopic cylinder 2 transmission connection, water injection cylinder 1 is equipped with counterweight mechanism, counterweight mechanism and sealing mechanism mutually cooperate, water injection cylinder 1 and telescopic cylinder 2's outside are equipped with scale 19, water injection cylinder 1's one side is installed with water injection pipe 8.

[0028] Referring to Figure 2 Sealing mechanism includes annular rubber pad 7, bottom plate 5's bottom is equipped with annular placement groove 6, annular rubber pad 7 is installed in annular placement groove 6, and the bottom one third of annular rubber pad 7 is below bottom plate 5, through the elastic property of annular rubber pad 7, make annular rubber pad 7 fully contact with concrete layer, prevent water quantity from leaking out through side when water permeability test.

[0029] Referring to Figure 1 and Figure 2The counterweight mechanism comprises four placing plates 13 rotatably installed on the outer side of the water injection cylinder 1, the outer side of the water injection cylinder 1 is slidably connected with a moving ring 15, the bottom of the moving ring 15 is rotatably connected with four pull rods 16, the pull rods 16 are rotatably connected with the corresponding placing plates 13, the outer side of the water injection cylinder 1 is threadedly connected with a rotating ring 14, the rotating ring 14 is threadedly connected with the water injection cylinder 1, the rotating ring 14 is threadedly connected with the water injection cylinder 1, so that the moving ring 15 can be adjusted to ascend and descend, the moving ring 15 drives the placing plates 13 to change the angle through the pull rods 16, and then the placing plates 13 can be driven to be placed flat, so that the counterweight is placed, and the sealing effect of the sealing mechanism is improved.

[0030] With reference to Figure 2 and Figure 3 The outer side of the water injection cylinder 1 is provided with four limiting grooves 17, the inner side of the moving ring 15 is fixedly installed with four symmetrically arranged limiting blocks 18, the limiting blocks 18 are slidably connected with the limiting grooves 17, the limiting grooves 17 and the limiting blocks 18 are slidably connected, so that the moving ring 15 and the water injection cylinder 1 are limited, and the moving ring 15 can only move up and down.

[0031] With reference to Figures 1-3 The top of the water injection cylinder 1 is rotatably connected with a positioning ring 4, the positioning ring 4 is threadedly connected with the telescopic cylinder 2, the positioning ring 4 and the telescopic cylinder 2 are threadedly connected, so that the rotating positioning ring 4 drives the telescopic cylinder 2 to ascend and descend, and then the water permeability of the different height water pressure concrete can be adjusted.

[0032] With reference to Figure 2 The output shaft of the motor 10 is fixedly installed with a driving gear 11, the bottom of the positioning ring 4 is fixedly installed with an outer gear ring 12, the driving gear 11 and the outer gear ring 12 are meshed with each other, the output shaft of the motor 10 can drive the positioning ring 4 to rotate through the meshing of the driving gear 11 and the outer gear ring 12.

[0033] Working principle: when working, the bottom plate 5 is placed above the concrete layer, the bottom plate 5 is in contact with the concrete layer through the elastic property of the annular rubber pad 7, the water is prevented from leaking through the side edge during the water permeability test, the water is injected into the water injection cylinder 1 through the water injection pipe 8, and the water amount is measured through the scale 19, when the sealing effect needs to be increased, the rotating ring 14 is rotated, the rotating ring 14 is connected with the water injection cylinder 1 through the screw thread, so that the moving ring 15 can be adjusted to ascend and descend, the pull rod 16 drives the placement plate 13 to change the angle, so that the placement plate 13 can be placed flat, the counterweight is placed, and the sealing effect of the sealing mechanism is increased, when the water pressure height needs to be adjusted, the motor 10 switch is started, the output shaft of the motor 10 is meshed with the outer gear ring 12 through the driving gear 11, so that the positioning ring 4 can be rotated, the positioning ring 4 is connected with the telescopic cylinder 2 through the screw thread, so that the rotating positioning ring 4 drives the telescopic cylinder 2 to ascend and descend, and the water permeability of the water pressure concrete at different heights can be adjusted.

[0034] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A concrete water permeability test device, comprising a water injection cylinder (1), characterized in that: The inner side of the water injection cylinder (1) is movably connected with a telescopic cylinder (2), the bottom of the water injection cylinder (1) is fixedly installed with a bottom plate (5), the bottom plate (5) is set through, the bottom of the bottom plate (5) is provided with a sealing mechanism, the bottom of the telescopic cylinder (2) is fixedly installed with a sealing ring (3), the sealing ring (3) is slidably connected to the inner wall of the water injection cylinder (1), one side of the water injection cylinder (1) is installed with a mounting plate (9), the top of the mounting plate (9) is fixedly installed with a motor (10), the output shaft of the motor (10) is transmission-connected with the telescopic cylinder (2), a counterweight mechanism is provided on the water injection cylinder (1), the counterweight mechanism and the sealing mechanism cooperate with each other, the outer sides of the water injection cylinder (1) and the telescopic cylinder (2) are both provided with a scale (19), and one side of the water injection cylinder (1) is installed with a water injection pipe (8).

2. A concrete water permeability testing device according to claim 1, characterized in that: The sealing mechanism comprises an annular rubber pad (7). An annular placement groove (6) is provided at the bottom of the bottom plate (5). The annular rubber pad (7) is installed in the annular placement groove (6), and the bottom third of the annular rubber pad (7) is located below the bottom plate (5).

3. A concrete water permeability testing device according to claim 1, characterized in that: The counterweight mechanism comprises four placement plates (13), the four placement plates (13) are rotatably mounted on the outside of the water injection cylinder (1), the outside of the water injection cylinder (1) is slidably connected to a moving ring (15), the bottom of the moving ring (15) is rotatably connected to four pull rods (16), the pull rods (16) are rotatably connected to the corresponding placement plates (13), the outside of the water injection cylinder (1) is threadedly connected to a swivel (14), and the swivel (14) is threadedly connected to the water injection cylinder (1).

4. A concrete water permeability testing device according to claim 3, characterized in that: Four limiting grooves (17) are provided on the outer side of the water injection cylinder (1), and four symmetrically arranged limiting blocks (18) are fixedly installed on the inner side of the movable ring (15), and the limiting blocks (18) are slidably connected to the limiting grooves (17).

5. A concrete water permeability testing device according to claim 1, characterized in that: The top of the water injection cylinder (1) is rotatably connected to a positioning ring (4), and the positioning ring (4) is threadedly connected to the telescopic cylinder (2).

6. A concrete water permeability testing device according to claim 5, characterized in that: A driving gear (11) is fixedly mounted on the output shaft of the motor (10), an outer gear ring (12) is fixedly mounted on the bottom of the positioning ring (4), and the driving gear (11) and the outer gear ring (12) are meshed with each other.